17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 54ab75253Smrj * Common Development and Distribution License (the "License"). 64ab75253Smrj * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 214ab75253Smrj 227c478bd9Sstevel@tonic-gate /* 235febcb4aSScott Carter, SD IOSW * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #include <sys/note.h> 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate #include <sys/param.h> 307c478bd9Sstevel@tonic-gate #include <sys/systm.h> 317c478bd9Sstevel@tonic-gate #include <sys/buf.h> 327c478bd9Sstevel@tonic-gate #include <sys/uio.h> 337c478bd9Sstevel@tonic-gate #include <sys/cred.h> 347c478bd9Sstevel@tonic-gate #include <sys/poll.h> 357c478bd9Sstevel@tonic-gate #include <sys/mman.h> 367c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 377c478bd9Sstevel@tonic-gate #include <sys/model.h> 387c478bd9Sstevel@tonic-gate #include <sys/file.h> 397c478bd9Sstevel@tonic-gate #include <sys/proc.h> 407c478bd9Sstevel@tonic-gate #include <sys/open.h> 417c478bd9Sstevel@tonic-gate #include <sys/user.h> 427c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 437c478bd9Sstevel@tonic-gate #include <sys/vm.h> 447c478bd9Sstevel@tonic-gate #include <sys/stat.h> 457c478bd9Sstevel@tonic-gate #include <vm/hat.h> 467c478bd9Sstevel@tonic-gate #include <vm/seg.h> 477c478bd9Sstevel@tonic-gate #include <vm/seg_vn.h> 487c478bd9Sstevel@tonic-gate #include <vm/seg_dev.h> 497c478bd9Sstevel@tonic-gate #include <vm/as.h> 507c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 517c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 527c478bd9Sstevel@tonic-gate #include <sys/debug.h> 537c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 547c478bd9Sstevel@tonic-gate #include <sys/sunddi.h> 557c478bd9Sstevel@tonic-gate #include <sys/esunddi.h> 567c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 577c478bd9Sstevel@tonic-gate #include <sys/kstat.h> 587c478bd9Sstevel@tonic-gate #include <sys/conf.h> 597c478bd9Sstevel@tonic-gate #include <sys/ddi_impldefs.h> /* include implementation structure defs */ 607c478bd9Sstevel@tonic-gate #include <sys/ndi_impldefs.h> /* include prototypes */ 61dd4eeefdSeota #include <sys/ddi_timer.h> 627c478bd9Sstevel@tonic-gate #include <sys/hwconf.h> 637c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 647c478bd9Sstevel@tonic-gate #include <sys/modctl.h> 657c478bd9Sstevel@tonic-gate #include <sys/epm.h> 667c478bd9Sstevel@tonic-gate #include <sys/devctl.h> 677c478bd9Sstevel@tonic-gate #include <sys/callb.h> 687c478bd9Sstevel@tonic-gate #include <sys/cladm.h> 697c478bd9Sstevel@tonic-gate #include <sys/sysevent.h> 707c478bd9Sstevel@tonic-gate #include <sys/dacf_impl.h> 717c478bd9Sstevel@tonic-gate #include <sys/ddidevmap.h> 727c478bd9Sstevel@tonic-gate #include <sys/bootconf.h> 737c478bd9Sstevel@tonic-gate #include <sys/disp.h> 747c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 757c478bd9Sstevel@tonic-gate #include <sys/promif.h> 767c478bd9Sstevel@tonic-gate #include <sys/instance.h> 777c478bd9Sstevel@tonic-gate #include <sys/sysevent/eventdefs.h> 787c478bd9Sstevel@tonic-gate #include <sys/task.h> 797c478bd9Sstevel@tonic-gate #include <sys/project.h> 807c478bd9Sstevel@tonic-gate #include <sys/taskq.h> 817c478bd9Sstevel@tonic-gate #include <sys/devpolicy.h> 827c478bd9Sstevel@tonic-gate #include <sys/ctype.h> 837c478bd9Sstevel@tonic-gate #include <net/if.h> 84c6939658Ssl #include <sys/rctl.h> 855679c89fSjv #include <sys/zone.h> 86*4c06356bSdh #include <sys/ddi.h> 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate extern pri_t minclsyspri; 897c478bd9Sstevel@tonic-gate 90c6939658Ssl extern rctl_hndl_t rc_project_locked_mem; 91c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate #ifdef DEBUG 947c478bd9Sstevel@tonic-gate static int sunddi_debug = 0; 957c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /* ddi_umem_unlock miscellaneous */ 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate static void i_ddi_umem_unlock_thread_start(void); 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate static kmutex_t ddi_umem_unlock_mutex; /* unlock list mutex */ 1027c478bd9Sstevel@tonic-gate static kcondvar_t ddi_umem_unlock_cv; /* unlock list block/unblock */ 1037c478bd9Sstevel@tonic-gate static kthread_t *ddi_umem_unlock_thread; 1047c478bd9Sstevel@tonic-gate /* 1057c478bd9Sstevel@tonic-gate * The ddi_umem_unlock FIFO list. NULL head pointer indicates empty list. 1067c478bd9Sstevel@tonic-gate */ 1077c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_head = NULL; 1087c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_tail = NULL; 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate /* 1117c478bd9Sstevel@tonic-gate * DDI(Sun) Function and flag definitions: 1127c478bd9Sstevel@tonic-gate */ 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate #if defined(__x86) 1157c478bd9Sstevel@tonic-gate /* 1167c478bd9Sstevel@tonic-gate * Used to indicate which entries were chosen from a range. 1177c478bd9Sstevel@tonic-gate */ 1187c478bd9Sstevel@tonic-gate char *chosen_reg = "chosen-reg"; 1197c478bd9Sstevel@tonic-gate #endif 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate /* 1227c478bd9Sstevel@tonic-gate * Function used to ring system console bell 1237c478bd9Sstevel@tonic-gate */ 1247c478bd9Sstevel@tonic-gate void (*ddi_console_bell_func)(clock_t duration); 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* 1277c478bd9Sstevel@tonic-gate * Creating register mappings and handling interrupts: 1287c478bd9Sstevel@tonic-gate */ 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate /* 1317c478bd9Sstevel@tonic-gate * Generic ddi_map: Call parent to fulfill request... 1327c478bd9Sstevel@tonic-gate */ 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate int 1357c478bd9Sstevel@tonic-gate ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, 1367c478bd9Sstevel@tonic-gate off_t len, caddr_t *addrp) 1377c478bd9Sstevel@tonic-gate { 1387c478bd9Sstevel@tonic-gate dev_info_t *pdip; 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate ASSERT(dp); 1417c478bd9Sstevel@tonic-gate pdip = (dev_info_t *)DEVI(dp)->devi_parent; 1427c478bd9Sstevel@tonic-gate return ((DEVI(pdip)->devi_ops->devo_bus_ops->bus_map)(pdip, 1437c478bd9Sstevel@tonic-gate dp, mp, offset, len, addrp)); 1447c478bd9Sstevel@tonic-gate } 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate /* 1477c478bd9Sstevel@tonic-gate * ddi_apply_range: (Called by nexi only.) 1487c478bd9Sstevel@tonic-gate * Apply ranges in parent node dp, to child regspec rp... 1497c478bd9Sstevel@tonic-gate */ 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate int 1527c478bd9Sstevel@tonic-gate ddi_apply_range(dev_info_t *dp, dev_info_t *rdip, struct regspec *rp) 1537c478bd9Sstevel@tonic-gate { 1547c478bd9Sstevel@tonic-gate return (i_ddi_apply_range(dp, rdip, rp)); 1557c478bd9Sstevel@tonic-gate } 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate int 1587c478bd9Sstevel@tonic-gate ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, off_t offset, 1597c478bd9Sstevel@tonic-gate off_t len) 1607c478bd9Sstevel@tonic-gate { 1617c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 1627c478bd9Sstevel@tonic-gate #if defined(__x86) 1637c478bd9Sstevel@tonic-gate struct { 1647c478bd9Sstevel@tonic-gate int bus; 1657c478bd9Sstevel@tonic-gate int addr; 1667c478bd9Sstevel@tonic-gate int size; 1677c478bd9Sstevel@tonic-gate } reg, *reglist; 1687c478bd9Sstevel@tonic-gate uint_t length; 1697c478bd9Sstevel@tonic-gate int rc; 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /* 1727c478bd9Sstevel@tonic-gate * get the 'registers' or the 'reg' property. 1737c478bd9Sstevel@tonic-gate * We look up the reg property as an array of 1747c478bd9Sstevel@tonic-gate * int's. 1757c478bd9Sstevel@tonic-gate */ 1767c478bd9Sstevel@tonic-gate rc = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 1777c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS, "registers", (int **)®list, &length); 1787c478bd9Sstevel@tonic-gate if (rc != DDI_PROP_SUCCESS) 1797c478bd9Sstevel@tonic-gate rc = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 1807c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS, "reg", (int **)®list, &length); 1817c478bd9Sstevel@tonic-gate if (rc == DDI_PROP_SUCCESS) { 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * point to the required entry. 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate reg = reglist[rnumber]; 1867c478bd9Sstevel@tonic-gate reg.addr += offset; 1877c478bd9Sstevel@tonic-gate if (len != 0) 1887c478bd9Sstevel@tonic-gate reg.size = len; 1897c478bd9Sstevel@tonic-gate /* 1907c478bd9Sstevel@tonic-gate * make a new property containing ONLY the required tuple. 1917c478bd9Sstevel@tonic-gate */ 1927c478bd9Sstevel@tonic-gate if (ddi_prop_update_int_array(DDI_DEV_T_NONE, dip, 1937c478bd9Sstevel@tonic-gate chosen_reg, (int *)®, (sizeof (reg)/sizeof (int))) 1947c478bd9Sstevel@tonic-gate != DDI_PROP_SUCCESS) { 1957c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: cannot create '%s' " 1967c478bd9Sstevel@tonic-gate "property", DEVI(dip)->devi_name, 1977c478bd9Sstevel@tonic-gate DEVI(dip)->devi_instance, chosen_reg); 1987c478bd9Sstevel@tonic-gate } 1997c478bd9Sstevel@tonic-gate /* 2007c478bd9Sstevel@tonic-gate * free the memory allocated by 2017c478bd9Sstevel@tonic-gate * ddi_prop_lookup_int_array (). 2027c478bd9Sstevel@tonic-gate */ 2037c478bd9Sstevel@tonic-gate ddi_prop_free((void *)reglist); 2047c478bd9Sstevel@tonic-gate } 2057c478bd9Sstevel@tonic-gate #endif 2067c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_LOCKED; 2077c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 2087c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 2097c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 2107c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 2117c478bd9Sstevel@tonic-gate mr.map_handlep = NULL; 2127c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate /* 2157c478bd9Sstevel@tonic-gate * Call my parent to map in my regs. 2167c478bd9Sstevel@tonic-gate */ 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate return (ddi_map(dip, &mr, offset, len, kaddrp)); 2197c478bd9Sstevel@tonic-gate } 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate void 2227c478bd9Sstevel@tonic-gate ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, off_t offset, 2237c478bd9Sstevel@tonic-gate off_t len) 2247c478bd9Sstevel@tonic-gate { 2257c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 2267c478bd9Sstevel@tonic-gate 2277c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_UNMAP; 2287c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 2297c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 2307c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; /* who cares? */ 2317c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 2327c478bd9Sstevel@tonic-gate mr.map_handlep = NULL; 2337c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * Call my parent to unmap my regs. 2377c478bd9Sstevel@tonic-gate */ 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate (void) ddi_map(dip, &mr, offset, len, kaddrp); 2407c478bd9Sstevel@tonic-gate *kaddrp = (caddr_t)0; 2417c478bd9Sstevel@tonic-gate #if defined(__x86) 2427c478bd9Sstevel@tonic-gate (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, chosen_reg); 2437c478bd9Sstevel@tonic-gate #endif 2447c478bd9Sstevel@tonic-gate } 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate int 2477c478bd9Sstevel@tonic-gate ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 2487c478bd9Sstevel@tonic-gate off_t offset, off_t len, caddr_t *vaddrp) 2497c478bd9Sstevel@tonic-gate { 2507c478bd9Sstevel@tonic-gate return (i_ddi_bus_map(dip, rdip, mp, offset, len, vaddrp)); 2517c478bd9Sstevel@tonic-gate } 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate /* 2547c478bd9Sstevel@tonic-gate * nullbusmap: The/DDI default bus_map entry point for nexi 2557c478bd9Sstevel@tonic-gate * not conforming to the reg/range paradigm (i.e. scsi, etc.) 2567c478bd9Sstevel@tonic-gate * with no HAT/MMU layer to be programmed at this level. 2577c478bd9Sstevel@tonic-gate * 2587c478bd9Sstevel@tonic-gate * If the call is to map by rnumber, return an error, 2597c478bd9Sstevel@tonic-gate * otherwise pass anything else up the tree to my parent. 2607c478bd9Sstevel@tonic-gate */ 2617c478bd9Sstevel@tonic-gate int 2627c478bd9Sstevel@tonic-gate nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 2637c478bd9Sstevel@tonic-gate off_t offset, off_t len, caddr_t *vaddrp) 2647c478bd9Sstevel@tonic-gate { 2657c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(rdip)) 2667c478bd9Sstevel@tonic-gate if (mp->map_type == DDI_MT_RNUMBER) 2677c478bd9Sstevel@tonic-gate return (DDI_ME_UNSUPPORTED); 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate return (ddi_map(dip, mp, offset, len, vaddrp)); 2707c478bd9Sstevel@tonic-gate } 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate /* 2737c478bd9Sstevel@tonic-gate * ddi_rnumber_to_regspec: Not for use by leaf drivers. 2747c478bd9Sstevel@tonic-gate * Only for use by nexi using the reg/range paradigm. 2757c478bd9Sstevel@tonic-gate */ 2767c478bd9Sstevel@tonic-gate struct regspec * 2777c478bd9Sstevel@tonic-gate ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber) 2787c478bd9Sstevel@tonic-gate { 2797c478bd9Sstevel@tonic-gate return (i_ddi_rnumber_to_regspec(dip, rnumber)); 2807c478bd9Sstevel@tonic-gate } 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate /* 2847c478bd9Sstevel@tonic-gate * Note that we allow the dip to be nil because we may be called 2857c478bd9Sstevel@tonic-gate * prior even to the instantiation of the devinfo tree itself - all 2867c478bd9Sstevel@tonic-gate * regular leaf and nexus drivers should always use a non-nil dip! 2877c478bd9Sstevel@tonic-gate * 2887c478bd9Sstevel@tonic-gate * We treat peek in a somewhat cavalier fashion .. assuming that we'll 2897c478bd9Sstevel@tonic-gate * simply get a synchronous fault as soon as we touch a missing address. 2907c478bd9Sstevel@tonic-gate * 2917c478bd9Sstevel@tonic-gate * Poke is rather more carefully handled because we might poke to a write 2927c478bd9Sstevel@tonic-gate * buffer, "succeed", then only find some time later that we got an 2937c478bd9Sstevel@tonic-gate * asynchronous fault that indicated that the address we were writing to 2947c478bd9Sstevel@tonic-gate * was not really backed by hardware. 2957c478bd9Sstevel@tonic-gate */ 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate static int 2987c478bd9Sstevel@tonic-gate i_ddi_peekpoke(dev_info_t *devi, ddi_ctl_enum_t cmd, size_t size, 2997c478bd9Sstevel@tonic-gate void *addr, void *value_p) 3007c478bd9Sstevel@tonic-gate { 3017c478bd9Sstevel@tonic-gate union { 3027c478bd9Sstevel@tonic-gate uint64_t u64; 3037c478bd9Sstevel@tonic-gate uint32_t u32; 3047c478bd9Sstevel@tonic-gate uint16_t u16; 3057c478bd9Sstevel@tonic-gate uint8_t u8; 3067c478bd9Sstevel@tonic-gate } peekpoke_value; 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate peekpoke_ctlops_t peekpoke_args; 3097c478bd9Sstevel@tonic-gate uint64_t dummy_result; 3107c478bd9Sstevel@tonic-gate int rval; 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate /* Note: size is assumed to be correct; it is not checked. */ 3137c478bd9Sstevel@tonic-gate peekpoke_args.size = size; 314abdbd06dSagiri peekpoke_args.dev_addr = (uintptr_t)addr; 3157c478bd9Sstevel@tonic-gate peekpoke_args.handle = NULL; 3167c478bd9Sstevel@tonic-gate peekpoke_args.repcount = 1; 3177c478bd9Sstevel@tonic-gate peekpoke_args.flags = 0; 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate if (cmd == DDI_CTLOPS_POKE) { 3207c478bd9Sstevel@tonic-gate switch (size) { 3217c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3227c478bd9Sstevel@tonic-gate peekpoke_value.u8 = *(uint8_t *)value_p; 3237c478bd9Sstevel@tonic-gate break; 3247c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3257c478bd9Sstevel@tonic-gate peekpoke_value.u16 = *(uint16_t *)value_p; 3267c478bd9Sstevel@tonic-gate break; 3277c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3287c478bd9Sstevel@tonic-gate peekpoke_value.u32 = *(uint32_t *)value_p; 3297c478bd9Sstevel@tonic-gate break; 3307c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3317c478bd9Sstevel@tonic-gate peekpoke_value.u64 = *(uint64_t *)value_p; 3327c478bd9Sstevel@tonic-gate break; 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate 336abdbd06dSagiri peekpoke_args.host_addr = (uintptr_t)&peekpoke_value.u64; 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate if (devi != NULL) 3397c478bd9Sstevel@tonic-gate rval = ddi_ctlops(devi, devi, cmd, &peekpoke_args, 3407c478bd9Sstevel@tonic-gate &dummy_result); 3417c478bd9Sstevel@tonic-gate else 3427c478bd9Sstevel@tonic-gate rval = peekpoke_mem(cmd, &peekpoke_args); 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * A NULL value_p is permitted by ddi_peek(9F); discard the result. 3467c478bd9Sstevel@tonic-gate */ 3477c478bd9Sstevel@tonic-gate if ((cmd == DDI_CTLOPS_PEEK) & (value_p != NULL)) { 3487c478bd9Sstevel@tonic-gate switch (size) { 3497c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3507c478bd9Sstevel@tonic-gate *(uint8_t *)value_p = peekpoke_value.u8; 3517c478bd9Sstevel@tonic-gate break; 3527c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3537c478bd9Sstevel@tonic-gate *(uint16_t *)value_p = peekpoke_value.u16; 3547c478bd9Sstevel@tonic-gate break; 3557c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3567c478bd9Sstevel@tonic-gate *(uint32_t *)value_p = peekpoke_value.u32; 3577c478bd9Sstevel@tonic-gate break; 3587c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3597c478bd9Sstevel@tonic-gate *(uint64_t *)value_p = peekpoke_value.u64; 3607c478bd9Sstevel@tonic-gate break; 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate } 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate return (rval); 3657c478bd9Sstevel@tonic-gate } 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate /* 3687c478bd9Sstevel@tonic-gate * Keep ddi_peek() and ddi_poke() in case 3rd parties are calling this. 3697c478bd9Sstevel@tonic-gate * they shouldn't be, but the 9f manpage kind of pseudo exposes it. 3707c478bd9Sstevel@tonic-gate */ 3717c478bd9Sstevel@tonic-gate int 3727c478bd9Sstevel@tonic-gate ddi_peek(dev_info_t *devi, size_t size, void *addr, void *value_p) 3737c478bd9Sstevel@tonic-gate { 3747c478bd9Sstevel@tonic-gate switch (size) { 3757c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3767c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3777c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3787c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3797c478bd9Sstevel@tonic-gate break; 3807c478bd9Sstevel@tonic-gate default: 3817c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, size, addr, value_p)); 3857c478bd9Sstevel@tonic-gate } 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate int 3887c478bd9Sstevel@tonic-gate ddi_poke(dev_info_t *devi, size_t size, void *addr, void *value_p) 3897c478bd9Sstevel@tonic-gate { 3907c478bd9Sstevel@tonic-gate switch (size) { 3917c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3927c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3937c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3947c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3957c478bd9Sstevel@tonic-gate break; 3967c478bd9Sstevel@tonic-gate default: 3977c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 3987c478bd9Sstevel@tonic-gate } 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(devi, DDI_CTLOPS_POKE, size, addr, value_p)); 4017c478bd9Sstevel@tonic-gate } 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate int 4047c478bd9Sstevel@tonic-gate ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p) 4057c478bd9Sstevel@tonic-gate { 4067c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4077c478bd9Sstevel@tonic-gate val_p)); 4087c478bd9Sstevel@tonic-gate } 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate int 4117c478bd9Sstevel@tonic-gate ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p) 4127c478bd9Sstevel@tonic-gate { 4137c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4147c478bd9Sstevel@tonic-gate val_p)); 4157c478bd9Sstevel@tonic-gate } 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate int 4187c478bd9Sstevel@tonic-gate ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p) 4197c478bd9Sstevel@tonic-gate { 4207c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4217c478bd9Sstevel@tonic-gate val_p)); 4227c478bd9Sstevel@tonic-gate } 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate int 4257c478bd9Sstevel@tonic-gate ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p) 4264ab75253Smrj { 4274ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4284ab75253Smrj val_p)); 4294ab75253Smrj } 4304ab75253Smrj 4314ab75253Smrj 4324ab75253Smrj /* 4334ab75253Smrj * We need to separate the old interfaces from the new ones and leave them 4344ab75253Smrj * in here for a while. Previous versions of the OS defined the new interfaces 4354ab75253Smrj * to the old interfaces. This way we can fix things up so that we can 4364ab75253Smrj * eventually remove these interfaces. 4374ab75253Smrj * e.g. A 3rd party module/driver using ddi_peek8 and built against S10 4384ab75253Smrj * or earlier will actually have a reference to ddi_peekc in the binary. 4394ab75253Smrj */ 4404ab75253Smrj #ifdef _ILP32 4414ab75253Smrj int 4424ab75253Smrj ddi_peekc(dev_info_t *dip, int8_t *addr, int8_t *val_p) 4434ab75253Smrj { 4444ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4454ab75253Smrj val_p)); 4464ab75253Smrj } 4474ab75253Smrj 4484ab75253Smrj int 4494ab75253Smrj ddi_peeks(dev_info_t *dip, int16_t *addr, int16_t *val_p) 4504ab75253Smrj { 4514ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4524ab75253Smrj val_p)); 4534ab75253Smrj } 4544ab75253Smrj 4554ab75253Smrj int 4564ab75253Smrj ddi_peekl(dev_info_t *dip, int32_t *addr, int32_t *val_p) 4574ab75253Smrj { 4584ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4594ab75253Smrj val_p)); 4604ab75253Smrj } 4614ab75253Smrj 4627c478bd9Sstevel@tonic-gate int 4637c478bd9Sstevel@tonic-gate ddi_peekd(dev_info_t *dip, int64_t *addr, int64_t *val_p) 4647c478bd9Sstevel@tonic-gate { 4657c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4667c478bd9Sstevel@tonic-gate val_p)); 4677c478bd9Sstevel@tonic-gate } 4684ab75253Smrj #endif /* _ILP32 */ 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate int 4717c478bd9Sstevel@tonic-gate ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val) 4727c478bd9Sstevel@tonic-gate { 4737c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4747c478bd9Sstevel@tonic-gate } 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate int 4777c478bd9Sstevel@tonic-gate ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val) 4787c478bd9Sstevel@tonic-gate { 4797c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4807c478bd9Sstevel@tonic-gate } 4817c478bd9Sstevel@tonic-gate 4827c478bd9Sstevel@tonic-gate int 4837c478bd9Sstevel@tonic-gate ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val) 4847c478bd9Sstevel@tonic-gate { 4857c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4867c478bd9Sstevel@tonic-gate } 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate int 4897c478bd9Sstevel@tonic-gate ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val) 4904ab75253Smrj { 4914ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4924ab75253Smrj } 4934ab75253Smrj 4944ab75253Smrj /* 4954ab75253Smrj * We need to separate the old interfaces from the new ones and leave them 4964ab75253Smrj * in here for a while. Previous versions of the OS defined the new interfaces 4974ab75253Smrj * to the old interfaces. This way we can fix things up so that we can 4984ab75253Smrj * eventually remove these interfaces. 4994ab75253Smrj * e.g. A 3rd party module/driver using ddi_poke8 and built against S10 5004ab75253Smrj * or earlier will actually have a reference to ddi_pokec in the binary. 5014ab75253Smrj */ 5024ab75253Smrj #ifdef _ILP32 5034ab75253Smrj int 5044ab75253Smrj ddi_pokec(dev_info_t *dip, int8_t *addr, int8_t val) 5054ab75253Smrj { 5064ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 5074ab75253Smrj } 5084ab75253Smrj 5094ab75253Smrj int 5104ab75253Smrj ddi_pokes(dev_info_t *dip, int16_t *addr, int16_t val) 5114ab75253Smrj { 5124ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 5134ab75253Smrj } 5144ab75253Smrj 5154ab75253Smrj int 5164ab75253Smrj ddi_pokel(dev_info_t *dip, int32_t *addr, int32_t val) 5174ab75253Smrj { 5184ab75253Smrj return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 5194ab75253Smrj } 5204ab75253Smrj 5217c478bd9Sstevel@tonic-gate int 5227c478bd9Sstevel@tonic-gate ddi_poked(dev_info_t *dip, int64_t *addr, int64_t val) 5237c478bd9Sstevel@tonic-gate { 5247c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 5257c478bd9Sstevel@tonic-gate } 5264ab75253Smrj #endif /* _ILP32 */ 5277c478bd9Sstevel@tonic-gate 5287c478bd9Sstevel@tonic-gate /* 5297c478bd9Sstevel@tonic-gate * ddi_peekpokeio() is used primarily by the mem drivers for moving 5307c478bd9Sstevel@tonic-gate * data to and from uio structures via peek and poke. Note that we 5317c478bd9Sstevel@tonic-gate * use "internal" routines ddi_peek and ddi_poke to make this go 5327c478bd9Sstevel@tonic-gate * slightly faster, avoiding the call overhead .. 5337c478bd9Sstevel@tonic-gate */ 5347c478bd9Sstevel@tonic-gate int 5357c478bd9Sstevel@tonic-gate ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw, 5367c478bd9Sstevel@tonic-gate caddr_t addr, size_t len, uint_t xfersize) 5377c478bd9Sstevel@tonic-gate { 5387c478bd9Sstevel@tonic-gate int64_t ibuffer; 5397c478bd9Sstevel@tonic-gate int8_t w8; 5407c478bd9Sstevel@tonic-gate size_t sz; 5417c478bd9Sstevel@tonic-gate int o; 5427c478bd9Sstevel@tonic-gate 5437c478bd9Sstevel@tonic-gate if (xfersize > sizeof (long)) 5447c478bd9Sstevel@tonic-gate xfersize = sizeof (long); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate while (len != 0) { 5477c478bd9Sstevel@tonic-gate if ((len | (uintptr_t)addr) & 1) { 5487c478bd9Sstevel@tonic-gate sz = sizeof (int8_t); 5497c478bd9Sstevel@tonic-gate if (rw == UIO_WRITE) { 5507c478bd9Sstevel@tonic-gate if ((o = uwritec(uio)) == -1) 5517c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5527c478bd9Sstevel@tonic-gate if (ddi_poke8(devi, (int8_t *)addr, 5537c478bd9Sstevel@tonic-gate (int8_t)o) != DDI_SUCCESS) 5547c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5557c478bd9Sstevel@tonic-gate } else { 5567c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, sz, 5577c478bd9Sstevel@tonic-gate (int8_t *)addr, &w8) != DDI_SUCCESS) 5587c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5597c478bd9Sstevel@tonic-gate if (ureadc(w8, uio)) 5607c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5617c478bd9Sstevel@tonic-gate } 5627c478bd9Sstevel@tonic-gate } else { 5637c478bd9Sstevel@tonic-gate switch (xfersize) { 5647c478bd9Sstevel@tonic-gate case sizeof (int64_t): 5657c478bd9Sstevel@tonic-gate if (((len | (uintptr_t)addr) & 5667c478bd9Sstevel@tonic-gate (sizeof (int64_t) - 1)) == 0) { 5677c478bd9Sstevel@tonic-gate sz = xfersize; 5687c478bd9Sstevel@tonic-gate break; 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 5717c478bd9Sstevel@tonic-gate case sizeof (int32_t): 5727c478bd9Sstevel@tonic-gate if (((len | (uintptr_t)addr) & 5737c478bd9Sstevel@tonic-gate (sizeof (int32_t) - 1)) == 0) { 5747c478bd9Sstevel@tonic-gate sz = xfersize; 5757c478bd9Sstevel@tonic-gate break; 5767c478bd9Sstevel@tonic-gate } 5777c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 5787c478bd9Sstevel@tonic-gate default: 5797c478bd9Sstevel@tonic-gate /* 5807c478bd9Sstevel@tonic-gate * This still assumes that we might have an 5817c478bd9Sstevel@tonic-gate * I/O bus out there that permits 16-bit 5827c478bd9Sstevel@tonic-gate * transfers (and that it would be upset by 5837c478bd9Sstevel@tonic-gate * 32-bit transfers from such locations). 5847c478bd9Sstevel@tonic-gate */ 5857c478bd9Sstevel@tonic-gate sz = sizeof (int16_t); 5867c478bd9Sstevel@tonic-gate break; 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate if (rw == UIO_READ) { 5907c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, sz, 5917c478bd9Sstevel@tonic-gate addr, &ibuffer) != DDI_SUCCESS) 5927c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5937c478bd9Sstevel@tonic-gate } 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate if (uiomove(&ibuffer, sz, rw, uio)) 5967c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate if (rw == UIO_WRITE) { 5997c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_POKE, sz, 6007c478bd9Sstevel@tonic-gate addr, &ibuffer) != DDI_SUCCESS) 6017c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 6027c478bd9Sstevel@tonic-gate } 6037c478bd9Sstevel@tonic-gate } 6047c478bd9Sstevel@tonic-gate addr += sz; 6057c478bd9Sstevel@tonic-gate len -= sz; 6067c478bd9Sstevel@tonic-gate } 6077c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 6087c478bd9Sstevel@tonic-gate } 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate /* 6117c478bd9Sstevel@tonic-gate * These routines are used by drivers that do layered ioctls 6127c478bd9Sstevel@tonic-gate * On sparc, they're implemented in assembler to avoid spilling 6137c478bd9Sstevel@tonic-gate * register windows in the common (copyin) case .. 6147c478bd9Sstevel@tonic-gate */ 6157c478bd9Sstevel@tonic-gate #if !defined(__sparc) 6167c478bd9Sstevel@tonic-gate int 6177c478bd9Sstevel@tonic-gate ddi_copyin(const void *buf, void *kernbuf, size_t size, int flags) 6187c478bd9Sstevel@tonic-gate { 6197c478bd9Sstevel@tonic-gate if (flags & FKIOCTL) 6207c478bd9Sstevel@tonic-gate return (kcopy(buf, kernbuf, size) ? -1 : 0); 6217c478bd9Sstevel@tonic-gate return (copyin(buf, kernbuf, size)); 6227c478bd9Sstevel@tonic-gate } 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate int 6257c478bd9Sstevel@tonic-gate ddi_copyout(const void *buf, void *kernbuf, size_t size, int flags) 6267c478bd9Sstevel@tonic-gate { 6277c478bd9Sstevel@tonic-gate if (flags & FKIOCTL) 6287c478bd9Sstevel@tonic-gate return (kcopy(buf, kernbuf, size) ? -1 : 0); 6297c478bd9Sstevel@tonic-gate return (copyout(buf, kernbuf, size)); 6307c478bd9Sstevel@tonic-gate } 6317c478bd9Sstevel@tonic-gate #endif /* !__sparc */ 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate /* 6347c478bd9Sstevel@tonic-gate * Conversions in nexus pagesize units. We don't duplicate the 6357c478bd9Sstevel@tonic-gate * 'nil dip' semantics of peek/poke because btopr/btop/ptob are DDI/DKI 6367c478bd9Sstevel@tonic-gate * routines anyway. 6377c478bd9Sstevel@tonic-gate */ 6387c478bd9Sstevel@tonic-gate unsigned long 6397c478bd9Sstevel@tonic-gate ddi_btop(dev_info_t *dip, unsigned long bytes) 6407c478bd9Sstevel@tonic-gate { 6417c478bd9Sstevel@tonic-gate unsigned long pages; 6427c478bd9Sstevel@tonic-gate 6437c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_BTOP, &bytes, &pages); 6447c478bd9Sstevel@tonic-gate return (pages); 6457c478bd9Sstevel@tonic-gate } 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate unsigned long 6487c478bd9Sstevel@tonic-gate ddi_btopr(dev_info_t *dip, unsigned long bytes) 6497c478bd9Sstevel@tonic-gate { 6507c478bd9Sstevel@tonic-gate unsigned long pages; 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_BTOPR, &bytes, &pages); 6537c478bd9Sstevel@tonic-gate return (pages); 6547c478bd9Sstevel@tonic-gate } 6557c478bd9Sstevel@tonic-gate 6567c478bd9Sstevel@tonic-gate unsigned long 6577c478bd9Sstevel@tonic-gate ddi_ptob(dev_info_t *dip, unsigned long pages) 6587c478bd9Sstevel@tonic-gate { 6597c478bd9Sstevel@tonic-gate unsigned long bytes; 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_PTOB, &pages, &bytes); 6627c478bd9Sstevel@tonic-gate return (bytes); 6637c478bd9Sstevel@tonic-gate } 6647c478bd9Sstevel@tonic-gate 6657c478bd9Sstevel@tonic-gate unsigned int 6667c478bd9Sstevel@tonic-gate ddi_enter_critical(void) 6677c478bd9Sstevel@tonic-gate { 6687c478bd9Sstevel@tonic-gate return ((uint_t)spl7()); 6697c478bd9Sstevel@tonic-gate } 6707c478bd9Sstevel@tonic-gate 6717c478bd9Sstevel@tonic-gate void 6727c478bd9Sstevel@tonic-gate ddi_exit_critical(unsigned int spl) 6737c478bd9Sstevel@tonic-gate { 6747c478bd9Sstevel@tonic-gate splx((int)spl); 6757c478bd9Sstevel@tonic-gate } 6767c478bd9Sstevel@tonic-gate 6777c478bd9Sstevel@tonic-gate /* 6787c478bd9Sstevel@tonic-gate * Nexus ctlops punter 6797c478bd9Sstevel@tonic-gate */ 6807c478bd9Sstevel@tonic-gate 6817c478bd9Sstevel@tonic-gate #if !defined(__sparc) 6827c478bd9Sstevel@tonic-gate /* 6837c478bd9Sstevel@tonic-gate * Request bus_ctl parent to handle a bus_ctl request 6847c478bd9Sstevel@tonic-gate * 6857c478bd9Sstevel@tonic-gate * (The sparc version is in sparc_ddi.s) 6867c478bd9Sstevel@tonic-gate */ 6877c478bd9Sstevel@tonic-gate int 6887c478bd9Sstevel@tonic-gate ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t op, void *a, void *v) 6897c478bd9Sstevel@tonic-gate { 6907c478bd9Sstevel@tonic-gate int (*fp)(); 6917c478bd9Sstevel@tonic-gate 6927c478bd9Sstevel@tonic-gate if (!d || !r) 6937c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 6947c478bd9Sstevel@tonic-gate 6957c478bd9Sstevel@tonic-gate if ((d = (dev_info_t *)DEVI(d)->devi_bus_ctl) == NULL) 6967c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate fp = DEVI(d)->devi_ops->devo_bus_ops->bus_ctl; 6997c478bd9Sstevel@tonic-gate return ((*fp)(d, r, op, a, v)); 7007c478bd9Sstevel@tonic-gate } 7017c478bd9Sstevel@tonic-gate 7027c478bd9Sstevel@tonic-gate #endif 7037c478bd9Sstevel@tonic-gate 7047c478bd9Sstevel@tonic-gate /* 7057c478bd9Sstevel@tonic-gate * DMA/DVMA setup 7067c478bd9Sstevel@tonic-gate */ 7077c478bd9Sstevel@tonic-gate 7087c478bd9Sstevel@tonic-gate #if defined(__sparc) 7097c478bd9Sstevel@tonic-gate static ddi_dma_lim_t standard_limits = { 7107c478bd9Sstevel@tonic-gate (uint_t)0, /* addr_t dlim_addr_lo */ 7117c478bd9Sstevel@tonic-gate (uint_t)-1, /* addr_t dlim_addr_hi */ 7127c478bd9Sstevel@tonic-gate (uint_t)-1, /* uint_t dlim_cntr_max */ 7137c478bd9Sstevel@tonic-gate (uint_t)1, /* uint_t dlim_burstsizes */ 7147c478bd9Sstevel@tonic-gate (uint_t)1, /* uint_t dlim_minxfer */ 7157c478bd9Sstevel@tonic-gate 0 /* uint_t dlim_dmaspeed */ 7167c478bd9Sstevel@tonic-gate }; 7177c478bd9Sstevel@tonic-gate #elif defined(__x86) 7187c478bd9Sstevel@tonic-gate static ddi_dma_lim_t standard_limits = { 7197c478bd9Sstevel@tonic-gate (uint_t)0, /* addr_t dlim_addr_lo */ 7207c478bd9Sstevel@tonic-gate (uint_t)0xffffff, /* addr_t dlim_addr_hi */ 7217c478bd9Sstevel@tonic-gate (uint_t)0, /* uint_t dlim_cntr_max */ 7227c478bd9Sstevel@tonic-gate (uint_t)0x00000001, /* uint_t dlim_burstsizes */ 7237c478bd9Sstevel@tonic-gate (uint_t)DMA_UNIT_8, /* uint_t dlim_minxfer */ 7247c478bd9Sstevel@tonic-gate (uint_t)0, /* uint_t dlim_dmaspeed */ 7257c478bd9Sstevel@tonic-gate (uint_t)0x86<<24+0, /* uint_t dlim_version */ 7267c478bd9Sstevel@tonic-gate (uint_t)0xffff, /* uint_t dlim_adreg_max */ 7277c478bd9Sstevel@tonic-gate (uint_t)0xffff, /* uint_t dlim_ctreg_max */ 7287c478bd9Sstevel@tonic-gate (uint_t)512, /* uint_t dlim_granular */ 7297c478bd9Sstevel@tonic-gate (int)1, /* int dlim_sgllen */ 7307c478bd9Sstevel@tonic-gate (uint_t)0xffffffff /* uint_t dlim_reqsizes */ 7317c478bd9Sstevel@tonic-gate }; 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate #endif 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate int 7367c478bd9Sstevel@tonic-gate ddi_dma_setup(dev_info_t *dip, struct ddi_dma_req *dmareqp, 7377c478bd9Sstevel@tonic-gate ddi_dma_handle_t *handlep) 7387c478bd9Sstevel@tonic-gate { 7397c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 7407c478bd9Sstevel@tonic-gate struct bus_ops *bop; 7417c478bd9Sstevel@tonic-gate #if defined(__sparc) 7427c478bd9Sstevel@tonic-gate auto ddi_dma_lim_t dma_lim; 7437c478bd9Sstevel@tonic-gate 7447c478bd9Sstevel@tonic-gate if (dmareqp->dmar_limits == (ddi_dma_lim_t *)0) { 7457c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 7467c478bd9Sstevel@tonic-gate } else { 7477c478bd9Sstevel@tonic-gate dma_lim = *dmareqp->dmar_limits; 7487c478bd9Sstevel@tonic-gate } 7497c478bd9Sstevel@tonic-gate dmareqp->dmar_limits = &dma_lim; 7507c478bd9Sstevel@tonic-gate #endif 7517c478bd9Sstevel@tonic-gate #if defined(__x86) 7527c478bd9Sstevel@tonic-gate if (dmareqp->dmar_limits == (ddi_dma_lim_t *)0) 7537c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 7547c478bd9Sstevel@tonic-gate #endif 7557c478bd9Sstevel@tonic-gate 7567c478bd9Sstevel@tonic-gate /* 7577c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 7587c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 7597c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 7607c478bd9Sstevel@tonic-gate * of ddi_dma_map. 7617c478bd9Sstevel@tonic-gate */ 7627c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 7637c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 7647c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 7657c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, dmareqp, handlep)); 7667c478bd9Sstevel@tonic-gate } 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate int 7697c478bd9Sstevel@tonic-gate ddi_dma_addr_setup(dev_info_t *dip, struct as *as, caddr_t addr, size_t len, 7707c478bd9Sstevel@tonic-gate uint_t flags, int (*waitfp)(), caddr_t arg, 7717c478bd9Sstevel@tonic-gate ddi_dma_lim_t *limits, ddi_dma_handle_t *handlep) 7727c478bd9Sstevel@tonic-gate { 7737c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 7747c478bd9Sstevel@tonic-gate ddi_dma_lim_t dma_lim; 7757c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 7767c478bd9Sstevel@tonic-gate struct bus_ops *bop; 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate if (len == 0) { 7797c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 7807c478bd9Sstevel@tonic-gate } 7817c478bd9Sstevel@tonic-gate if (limits == (ddi_dma_lim_t *)0) { 7827c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 7837c478bd9Sstevel@tonic-gate } else { 7847c478bd9Sstevel@tonic-gate dma_lim = *limits; 7857c478bd9Sstevel@tonic-gate } 7867c478bd9Sstevel@tonic-gate dmareq.dmar_limits = &dma_lim; 7877c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 7887c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 7897c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 7907c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = len; 7917c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_VADDR; 7927c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = as; 7937c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = addr; 7947c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 7957c478bd9Sstevel@tonic-gate 7967c478bd9Sstevel@tonic-gate /* 7977c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 7987c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 7997c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 8007c478bd9Sstevel@tonic-gate * of ddi_dma_map. 8017c478bd9Sstevel@tonic-gate */ 8027c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 8037c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 8047c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 8057c478bd9Sstevel@tonic-gate 8067c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dmareq, handlep)); 8077c478bd9Sstevel@tonic-gate } 8087c478bd9Sstevel@tonic-gate 8097c478bd9Sstevel@tonic-gate int 8107c478bd9Sstevel@tonic-gate ddi_dma_buf_setup(dev_info_t *dip, struct buf *bp, uint_t flags, 8117c478bd9Sstevel@tonic-gate int (*waitfp)(), caddr_t arg, ddi_dma_lim_t *limits, 8127c478bd9Sstevel@tonic-gate ddi_dma_handle_t *handlep) 8137c478bd9Sstevel@tonic-gate { 8147c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 8157c478bd9Sstevel@tonic-gate ddi_dma_lim_t dma_lim; 8167c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 8177c478bd9Sstevel@tonic-gate struct bus_ops *bop; 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate if (limits == (ddi_dma_lim_t *)0) { 8207c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 8217c478bd9Sstevel@tonic-gate } else { 8227c478bd9Sstevel@tonic-gate dma_lim = *limits; 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate dmareq.dmar_limits = &dma_lim; 8257c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 8267c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 8277c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 8287c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = (uint_t)bp->b_bcount; 8297c478bd9Sstevel@tonic-gate 8302d3bf78eScth if (bp->b_flags & B_PAGEIO) { 8317c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_PAGES; 8327c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_pp = bp->b_pages; 8337c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_offset = 8347c478bd9Sstevel@tonic-gate (uint_t)(((uintptr_t)bp->b_un.b_addr) & MMU_PAGEOFFSET); 8357c478bd9Sstevel@tonic-gate } else { 8367c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_BUFVADDR; 8377c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = bp->b_un.b_addr; 8382d3bf78eScth if (bp->b_flags & B_SHADOW) { 8397c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = 840184cd04cScth bp->b_shadow; 8417c478bd9Sstevel@tonic-gate } else { 8427c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate /* 8467c478bd9Sstevel@tonic-gate * If the buffer has no proc pointer, or the proc 8477c478bd9Sstevel@tonic-gate * struct has the kernel address space, or the buffer has 8487c478bd9Sstevel@tonic-gate * been marked B_REMAPPED (meaning that it is now 8497c478bd9Sstevel@tonic-gate * mapped into the kernel's address space), then 8507c478bd9Sstevel@tonic-gate * the address space is kas (kernel address space). 8517c478bd9Sstevel@tonic-gate */ 8522d3bf78eScth if ((bp->b_proc == NULL) || (bp->b_proc->p_as == &kas) || 8532d3bf78eScth (bp->b_flags & B_REMAPPED)) { 8547c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 0; 8557c478bd9Sstevel@tonic-gate } else { 8567c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 8577c478bd9Sstevel@tonic-gate bp->b_proc->p_as; 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate } 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate /* 8627c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 8637c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 8647c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 8657c478bd9Sstevel@tonic-gate * of ddi_dma_map. 8667c478bd9Sstevel@tonic-gate */ 8677c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 8687c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 8697c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 8707c478bd9Sstevel@tonic-gate 8717c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dmareq, handlep)); 8727c478bd9Sstevel@tonic-gate } 8737c478bd9Sstevel@tonic-gate 8747c478bd9Sstevel@tonic-gate #if !defined(__sparc) 8757c478bd9Sstevel@tonic-gate /* 8767c478bd9Sstevel@tonic-gate * Request bus_dma_ctl parent to fiddle with a dma request. 8777c478bd9Sstevel@tonic-gate * 8787c478bd9Sstevel@tonic-gate * (The sparc version is in sparc_subr.s) 8797c478bd9Sstevel@tonic-gate */ 8807c478bd9Sstevel@tonic-gate int 8817c478bd9Sstevel@tonic-gate ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 8827c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 8837c478bd9Sstevel@tonic-gate off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 8847c478bd9Sstevel@tonic-gate { 8857c478bd9Sstevel@tonic-gate int (*fp)(); 8867c478bd9Sstevel@tonic-gate 887b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 888b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_ctl; 8897c478bd9Sstevel@tonic-gate fp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_ctl; 8907c478bd9Sstevel@tonic-gate return ((*fp) (dip, rdip, handle, request, offp, lenp, objp, flags)); 8917c478bd9Sstevel@tonic-gate } 8927c478bd9Sstevel@tonic-gate #endif 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate /* 8957c478bd9Sstevel@tonic-gate * For all DMA control functions, call the DMA control 8967c478bd9Sstevel@tonic-gate * routine and return status. 8977c478bd9Sstevel@tonic-gate * 8987c478bd9Sstevel@tonic-gate * Just plain assume that the parent is to be called. 8997c478bd9Sstevel@tonic-gate * If a nexus driver or a thread outside the framework 9007c478bd9Sstevel@tonic-gate * of a nexus driver or a leaf driver calls these functions, 9017c478bd9Sstevel@tonic-gate * it is up to them to deal with the fact that the parent's 9027c478bd9Sstevel@tonic-gate * bus_dma_ctl function will be the first one called. 9037c478bd9Sstevel@tonic-gate */ 9047c478bd9Sstevel@tonic-gate 9057c478bd9Sstevel@tonic-gate #define HD ((ddi_dma_impl_t *)h)->dmai_rdip 9067c478bd9Sstevel@tonic-gate 9077c478bd9Sstevel@tonic-gate int 9087c478bd9Sstevel@tonic-gate ddi_dma_kvaddrp(ddi_dma_handle_t h, off_t off, size_t len, caddr_t *kp) 9097c478bd9Sstevel@tonic-gate { 9107c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_KVADDR, &off, &len, kp, 0)); 9117c478bd9Sstevel@tonic-gate } 9127c478bd9Sstevel@tonic-gate 9137c478bd9Sstevel@tonic-gate int 9147c478bd9Sstevel@tonic-gate ddi_dma_htoc(ddi_dma_handle_t h, off_t o, ddi_dma_cookie_t *c) 9157c478bd9Sstevel@tonic-gate { 9167c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_HTOC, &o, 0, (caddr_t *)c, 0)); 9177c478bd9Sstevel@tonic-gate } 9187c478bd9Sstevel@tonic-gate 9197c478bd9Sstevel@tonic-gate int 9207c478bd9Sstevel@tonic-gate ddi_dma_coff(ddi_dma_handle_t h, ddi_dma_cookie_t *c, off_t *o) 9217c478bd9Sstevel@tonic-gate { 9227c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_COFF, 9237c478bd9Sstevel@tonic-gate (off_t *)c, 0, (caddr_t *)o, 0)); 9247c478bd9Sstevel@tonic-gate } 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate int 9277c478bd9Sstevel@tonic-gate ddi_dma_movwin(ddi_dma_handle_t h, off_t *o, size_t *l, ddi_dma_cookie_t *c) 9287c478bd9Sstevel@tonic-gate { 9297c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_MOVWIN, o, 9307c478bd9Sstevel@tonic-gate l, (caddr_t *)c, 0)); 9317c478bd9Sstevel@tonic-gate } 9327c478bd9Sstevel@tonic-gate 9337c478bd9Sstevel@tonic-gate int 9347c478bd9Sstevel@tonic-gate ddi_dma_curwin(ddi_dma_handle_t h, off_t *o, size_t *l) 9357c478bd9Sstevel@tonic-gate { 9367c478bd9Sstevel@tonic-gate if ((((ddi_dma_impl_t *)h)->dmai_rflags & DDI_DMA_PARTIAL) == 0) 9377c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 9387c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_REPWIN, o, l, 0, 0)); 9397c478bd9Sstevel@tonic-gate } 9407c478bd9Sstevel@tonic-gate 9417c478bd9Sstevel@tonic-gate int 9427c478bd9Sstevel@tonic-gate ddi_dma_nextwin(ddi_dma_handle_t h, ddi_dma_win_t win, 9437c478bd9Sstevel@tonic-gate ddi_dma_win_t *nwin) 9447c478bd9Sstevel@tonic-gate { 9457c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTWIN, (off_t *)&win, 0, 9467c478bd9Sstevel@tonic-gate (caddr_t *)nwin, 0)); 9477c478bd9Sstevel@tonic-gate } 9487c478bd9Sstevel@tonic-gate 9497c478bd9Sstevel@tonic-gate int 9507c478bd9Sstevel@tonic-gate ddi_dma_nextseg(ddi_dma_win_t win, ddi_dma_seg_t seg, ddi_dma_seg_t *nseg) 9517c478bd9Sstevel@tonic-gate { 9527c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)win; 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTSEG, (off_t *)&win, 9557c478bd9Sstevel@tonic-gate (size_t *)&seg, (caddr_t *)nseg, 0)); 9567c478bd9Sstevel@tonic-gate } 9577c478bd9Sstevel@tonic-gate 9587c478bd9Sstevel@tonic-gate #if (defined(__i386) && !defined(__amd64)) || defined(__sparc) 9597c478bd9Sstevel@tonic-gate /* 9607c478bd9Sstevel@tonic-gate * This routine is Obsolete and should be removed from ALL architectures 9617c478bd9Sstevel@tonic-gate * in a future release of Solaris. 9627c478bd9Sstevel@tonic-gate * 9637c478bd9Sstevel@tonic-gate * It is deliberately NOT ported to amd64; please fix the code that 9647c478bd9Sstevel@tonic-gate * depends on this routine to use ddi_dma_nextcookie(9F). 96512f080e7Smrj * 96612f080e7Smrj * NOTE: even though we fixed the pointer through a 32-bit param issue (the fix 96712f080e7Smrj * is a side effect to some other cleanup), we're still not going to support 96812f080e7Smrj * this interface on x64. 9697c478bd9Sstevel@tonic-gate */ 9707c478bd9Sstevel@tonic-gate int 9717c478bd9Sstevel@tonic-gate ddi_dma_segtocookie(ddi_dma_seg_t seg, off_t *o, off_t *l, 9727c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cookiep) 9737c478bd9Sstevel@tonic-gate { 9747c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)seg; 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SEGTOC, o, (size_t *)l, 9777c478bd9Sstevel@tonic-gate (caddr_t *)cookiep, 0)); 9787c478bd9Sstevel@tonic-gate } 9797c478bd9Sstevel@tonic-gate #endif /* (__i386 && !__amd64) || __sparc */ 9807c478bd9Sstevel@tonic-gate 9817c478bd9Sstevel@tonic-gate #if !defined(__sparc) 9827c478bd9Sstevel@tonic-gate 9837c478bd9Sstevel@tonic-gate /* 9847c478bd9Sstevel@tonic-gate * The SPARC versions of these routines are done in assembler to 9857c478bd9Sstevel@tonic-gate * save register windows, so they're in sparc_subr.s. 9867c478bd9Sstevel@tonic-gate */ 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate int 9897c478bd9Sstevel@tonic-gate ddi_dma_map(dev_info_t *dip, dev_info_t *rdip, 9907c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 9917c478bd9Sstevel@tonic-gate { 9927c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, struct ddi_dma_req *, 9937c478bd9Sstevel@tonic-gate ddi_dma_handle_t *); 9947c478bd9Sstevel@tonic-gate 995b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 996b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_map; 9977c478bd9Sstevel@tonic-gate 998b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_map; 999b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, dmareqp, handlep)); 10007c478bd9Sstevel@tonic-gate } 10017c478bd9Sstevel@tonic-gate 10027c478bd9Sstevel@tonic-gate int 10037c478bd9Sstevel@tonic-gate ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 10047c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 10057c478bd9Sstevel@tonic-gate { 10067c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_attr_t *, 10077c478bd9Sstevel@tonic-gate int (*)(caddr_t), caddr_t, ddi_dma_handle_t *); 10087c478bd9Sstevel@tonic-gate 1009b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1010b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_allochdl; 10117c478bd9Sstevel@tonic-gate 1012b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_allochdl; 1013b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, attr, waitfp, arg, handlep)); 10147c478bd9Sstevel@tonic-gate } 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate int 10177c478bd9Sstevel@tonic-gate ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handlep) 10187c478bd9Sstevel@tonic-gate { 10197c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10207c478bd9Sstevel@tonic-gate 1021b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1022b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_allochdl; 10237c478bd9Sstevel@tonic-gate 1024b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_freehdl; 1025b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handlep)); 10267c478bd9Sstevel@tonic-gate } 10277c478bd9Sstevel@tonic-gate 10287c478bd9Sstevel@tonic-gate int 10297c478bd9Sstevel@tonic-gate ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 10307c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 10317c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 10327c478bd9Sstevel@tonic-gate { 10337c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10347c478bd9Sstevel@tonic-gate struct ddi_dma_req *, ddi_dma_cookie_t *, uint_t *); 10357c478bd9Sstevel@tonic-gate 1036b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1037b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 10387c478bd9Sstevel@tonic-gate 1039b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_bindhdl; 1040b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle, dmareq, cp, ccountp)); 10417c478bd9Sstevel@tonic-gate } 10427c478bd9Sstevel@tonic-gate 10437c478bd9Sstevel@tonic-gate int 10447c478bd9Sstevel@tonic-gate ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 10457c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 10467c478bd9Sstevel@tonic-gate { 10477c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10487c478bd9Sstevel@tonic-gate 1049b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1050b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 10517c478bd9Sstevel@tonic-gate 1052b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_unbindhdl; 1053b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle)); 10547c478bd9Sstevel@tonic-gate } 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate int 10587c478bd9Sstevel@tonic-gate ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 10597c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 10607c478bd9Sstevel@tonic-gate uint_t cache_flags) 10617c478bd9Sstevel@tonic-gate { 10627c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10637c478bd9Sstevel@tonic-gate off_t, size_t, uint_t); 10647c478bd9Sstevel@tonic-gate 1065b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1066b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 10677c478bd9Sstevel@tonic-gate 1068b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_flush; 1069b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle, off, len, cache_flags)); 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate 10727c478bd9Sstevel@tonic-gate int 10737c478bd9Sstevel@tonic-gate ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 10747c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 10757c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 10767c478bd9Sstevel@tonic-gate { 10777c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10787c478bd9Sstevel@tonic-gate uint_t, off_t *, size_t *, ddi_dma_cookie_t *, uint_t *); 10797c478bd9Sstevel@tonic-gate 1080b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1081b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_win; 10827c478bd9Sstevel@tonic-gate 1083b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_win; 1084b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle, win, offp, lenp, 10857c478bd9Sstevel@tonic-gate cookiep, ccountp)); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate int 10897c478bd9Sstevel@tonic-gate ddi_dma_sync(ddi_dma_handle_t h, off_t o, size_t l, uint_t whom) 10907c478bd9Sstevel@tonic-gate { 10917c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 1092b51bbbf5SVikram Hegde dev_info_t *dip, *rdip; 10937c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, off_t, 1094184cd04cScth size_t, uint_t); 10957c478bd9Sstevel@tonic-gate 10967c478bd9Sstevel@tonic-gate /* 10977c478bd9Sstevel@tonic-gate * the DMA nexus driver will set DMP_NOSYNC if the 10987c478bd9Sstevel@tonic-gate * platform does not require any sync operation. For 10997c478bd9Sstevel@tonic-gate * example if the memory is uncached or consistent 11007c478bd9Sstevel@tonic-gate * and without any I/O write buffers involved. 11017c478bd9Sstevel@tonic-gate */ 11027c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DMP_NOSYNC) == DMP_NOSYNC) 11037c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 11047c478bd9Sstevel@tonic-gate 1105b51bbbf5SVikram Hegde dip = rdip = hp->dmai_rdip; 1106b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1107b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 1108b51bbbf5SVikram Hegde funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_flush; 1109b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, h, o, l, whom)); 11107c478bd9Sstevel@tonic-gate } 11117c478bd9Sstevel@tonic-gate 11127c478bd9Sstevel@tonic-gate int 11137c478bd9Sstevel@tonic-gate ddi_dma_unbind_handle(ddi_dma_handle_t h) 11147c478bd9Sstevel@tonic-gate { 11157c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 1116b51bbbf5SVikram Hegde dev_info_t *dip, *rdip; 11177c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 11187c478bd9Sstevel@tonic-gate 1119b51bbbf5SVikram Hegde dip = rdip = hp->dmai_rdip; 1120b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 1121b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 1122b51bbbf5SVikram Hegde funcp = DEVI(rdip)->devi_bus_dma_unbindfunc; 1123b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, h)); 11247c478bd9Sstevel@tonic-gate } 11257c478bd9Sstevel@tonic-gate 11267c478bd9Sstevel@tonic-gate #endif /* !__sparc */ 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate int 11297c478bd9Sstevel@tonic-gate ddi_dma_free(ddi_dma_handle_t h) 11307c478bd9Sstevel@tonic-gate { 11317c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_FREE, 0, 0, 0, 0)); 11327c478bd9Sstevel@tonic-gate } 11337c478bd9Sstevel@tonic-gate 11347c478bd9Sstevel@tonic-gate int 11357c478bd9Sstevel@tonic-gate ddi_iopb_alloc(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t len, caddr_t *iopbp) 11367c478bd9Sstevel@tonic-gate { 11377c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11387c478bd9Sstevel@tonic-gate size_t size = len; 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate if (!limp) { 11417c478bd9Sstevel@tonic-gate defalt = standard_limits; 11427c478bd9Sstevel@tonic-gate limp = &defalt; 11437c478bd9Sstevel@tonic-gate } 11447c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limp, size, 0, 0, 0, 11457c478bd9Sstevel@tonic-gate iopbp, NULL, NULL)); 11467c478bd9Sstevel@tonic-gate } 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate void 11497c478bd9Sstevel@tonic-gate ddi_iopb_free(caddr_t iopb) 11507c478bd9Sstevel@tonic-gate { 11517b93957cSeota i_ddi_mem_free(iopb, NULL); 11527c478bd9Sstevel@tonic-gate } 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate int 11557c478bd9Sstevel@tonic-gate ddi_mem_alloc(dev_info_t *dip, ddi_dma_lim_t *limits, uint_t length, 11567c478bd9Sstevel@tonic-gate uint_t flags, caddr_t *kaddrp, uint_t *real_length) 11577c478bd9Sstevel@tonic-gate { 11587c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11597c478bd9Sstevel@tonic-gate size_t size = length; 11607c478bd9Sstevel@tonic-gate 11617c478bd9Sstevel@tonic-gate if (!limits) { 11627c478bd9Sstevel@tonic-gate defalt = standard_limits; 11637c478bd9Sstevel@tonic-gate limits = &defalt; 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limits, size, flags & 0x1, 11667c478bd9Sstevel@tonic-gate 1, 0, kaddrp, real_length, NULL)); 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate void 11707c478bd9Sstevel@tonic-gate ddi_mem_free(caddr_t kaddr) 11717c478bd9Sstevel@tonic-gate { 11727b93957cSeota i_ddi_mem_free(kaddr, NULL); 11737c478bd9Sstevel@tonic-gate } 11747c478bd9Sstevel@tonic-gate 11757c478bd9Sstevel@tonic-gate /* 11767c478bd9Sstevel@tonic-gate * DMA attributes, alignment, burst sizes, and transfer minimums 11777c478bd9Sstevel@tonic-gate */ 11787c478bd9Sstevel@tonic-gate int 11797c478bd9Sstevel@tonic-gate ddi_dma_get_attr(ddi_dma_handle_t handle, ddi_dma_attr_t *attrp) 11807c478bd9Sstevel@tonic-gate { 11817c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 11827c478bd9Sstevel@tonic-gate 11837c478bd9Sstevel@tonic-gate if (attrp == NULL) 11847c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 11857c478bd9Sstevel@tonic-gate *attrp = dimp->dmai_attr; 11867c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 11877c478bd9Sstevel@tonic-gate } 11887c478bd9Sstevel@tonic-gate 11897c478bd9Sstevel@tonic-gate int 11907c478bd9Sstevel@tonic-gate ddi_dma_burstsizes(ddi_dma_handle_t handle) 11917c478bd9Sstevel@tonic-gate { 11927c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate if (!dimp) 11957c478bd9Sstevel@tonic-gate return (0); 11967c478bd9Sstevel@tonic-gate else 11977c478bd9Sstevel@tonic-gate return (dimp->dmai_burstsizes); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate 12007c478bd9Sstevel@tonic-gate int 12017c478bd9Sstevel@tonic-gate ddi_dma_devalign(ddi_dma_handle_t handle, uint_t *alignment, uint_t *mineffect) 12027c478bd9Sstevel@tonic-gate { 12037c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 12047c478bd9Sstevel@tonic-gate 12057c478bd9Sstevel@tonic-gate if (!dimp || !alignment || !mineffect) 12067c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 12077c478bd9Sstevel@tonic-gate if (!(dimp->dmai_rflags & DDI_DMA_SBUS_64BIT)) { 12087c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12097c478bd9Sstevel@tonic-gate } else { 12107c478bd9Sstevel@tonic-gate if (dimp->dmai_burstsizes & 0xff0000) { 12117c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes >> 16); 12127c478bd9Sstevel@tonic-gate } else { 12137c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12147c478bd9Sstevel@tonic-gate } 12157c478bd9Sstevel@tonic-gate } 12167c478bd9Sstevel@tonic-gate *mineffect = dimp->dmai_minxfer; 12177c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 12187c478bd9Sstevel@tonic-gate } 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate int 12217c478bd9Sstevel@tonic-gate ddi_iomin(dev_info_t *a, int i, int stream) 12227c478bd9Sstevel@tonic-gate { 12237c478bd9Sstevel@tonic-gate int r; 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate /* 12267c478bd9Sstevel@tonic-gate * Make sure that the initial value is sane 12277c478bd9Sstevel@tonic-gate */ 12287c478bd9Sstevel@tonic-gate if (i & (i - 1)) 12297c478bd9Sstevel@tonic-gate return (0); 12307c478bd9Sstevel@tonic-gate if (i == 0) 12317c478bd9Sstevel@tonic-gate i = (stream) ? 4 : 1; 12327c478bd9Sstevel@tonic-gate 12337c478bd9Sstevel@tonic-gate r = ddi_ctlops(a, a, 12347c478bd9Sstevel@tonic-gate DDI_CTLOPS_IOMIN, (void *)(uintptr_t)stream, (void *)&i); 12357c478bd9Sstevel@tonic-gate if (r != DDI_SUCCESS || (i & (i - 1))) 12367c478bd9Sstevel@tonic-gate return (0); 12377c478bd9Sstevel@tonic-gate return (i); 12387c478bd9Sstevel@tonic-gate } 12397c478bd9Sstevel@tonic-gate 12407c478bd9Sstevel@tonic-gate /* 12417c478bd9Sstevel@tonic-gate * Given two DMA attribute structures, apply the attributes 12427c478bd9Sstevel@tonic-gate * of one to the other, following the rules of attributes 12437c478bd9Sstevel@tonic-gate * and the wishes of the caller. 12447c478bd9Sstevel@tonic-gate * 12457c478bd9Sstevel@tonic-gate * The rules of DMA attribute structures are that you cannot 12467c478bd9Sstevel@tonic-gate * make things *less* restrictive as you apply one set 12477c478bd9Sstevel@tonic-gate * of attributes to another. 12487c478bd9Sstevel@tonic-gate * 12497c478bd9Sstevel@tonic-gate */ 12507c478bd9Sstevel@tonic-gate void 12517c478bd9Sstevel@tonic-gate ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod) 12527c478bd9Sstevel@tonic-gate { 12537c478bd9Sstevel@tonic-gate attr->dma_attr_addr_lo = 12547c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_addr_lo, mod->dma_attr_addr_lo); 12557c478bd9Sstevel@tonic-gate attr->dma_attr_addr_hi = 12567c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_addr_hi, mod->dma_attr_addr_hi); 12577c478bd9Sstevel@tonic-gate attr->dma_attr_count_max = 12587c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_count_max, mod->dma_attr_count_max); 12597c478bd9Sstevel@tonic-gate attr->dma_attr_align = 12607c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_align, mod->dma_attr_align); 12617c478bd9Sstevel@tonic-gate attr->dma_attr_burstsizes = 12627c478bd9Sstevel@tonic-gate (uint_t)(attr->dma_attr_burstsizes & mod->dma_attr_burstsizes); 12637c478bd9Sstevel@tonic-gate attr->dma_attr_minxfer = 12647c478bd9Sstevel@tonic-gate maxbit(attr->dma_attr_minxfer, mod->dma_attr_minxfer); 12657c478bd9Sstevel@tonic-gate attr->dma_attr_maxxfer = 12667c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_maxxfer, mod->dma_attr_maxxfer); 12677c478bd9Sstevel@tonic-gate attr->dma_attr_seg = MIN(attr->dma_attr_seg, mod->dma_attr_seg); 12687c478bd9Sstevel@tonic-gate attr->dma_attr_sgllen = MIN((uint_t)attr->dma_attr_sgllen, 12697c478bd9Sstevel@tonic-gate (uint_t)mod->dma_attr_sgllen); 12707c478bd9Sstevel@tonic-gate attr->dma_attr_granular = 12717c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_granular, mod->dma_attr_granular); 12727c478bd9Sstevel@tonic-gate } 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate /* 12757c478bd9Sstevel@tonic-gate * mmap/segmap interface: 12767c478bd9Sstevel@tonic-gate */ 12777c478bd9Sstevel@tonic-gate 12787c478bd9Sstevel@tonic-gate /* 12797c478bd9Sstevel@tonic-gate * ddi_segmap: setup the default segment driver. Calls the drivers 12807c478bd9Sstevel@tonic-gate * XXmmap routine to validate the range to be mapped. 12817c478bd9Sstevel@tonic-gate * Return ENXIO of the range is not valid. Create 12827c478bd9Sstevel@tonic-gate * a seg_dev segment that contains all of the 12837c478bd9Sstevel@tonic-gate * necessary information and will reference the 12847c478bd9Sstevel@tonic-gate * default segment driver routines. It returns zero 12857c478bd9Sstevel@tonic-gate * on success or non-zero on failure. 12867c478bd9Sstevel@tonic-gate */ 12877c478bd9Sstevel@tonic-gate int 12887c478bd9Sstevel@tonic-gate ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 12897c478bd9Sstevel@tonic-gate uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp) 12907c478bd9Sstevel@tonic-gate { 12917c478bd9Sstevel@tonic-gate extern int spec_segmap(dev_t, off_t, struct as *, caddr_t *, 12927c478bd9Sstevel@tonic-gate off_t, uint_t, uint_t, uint_t, struct cred *); 12937c478bd9Sstevel@tonic-gate 12947c478bd9Sstevel@tonic-gate return (spec_segmap(dev, offset, asp, addrp, len, 12957c478bd9Sstevel@tonic-gate prot, maxprot, flags, credp)); 12967c478bd9Sstevel@tonic-gate } 12977c478bd9Sstevel@tonic-gate 12987c478bd9Sstevel@tonic-gate /* 12997c478bd9Sstevel@tonic-gate * ddi_map_fault: Resolve mappings at fault time. Used by segment 13007c478bd9Sstevel@tonic-gate * drivers. Allows each successive parent to resolve 13017c478bd9Sstevel@tonic-gate * address translations and add its mappings to the 13027c478bd9Sstevel@tonic-gate * mapping list supplied in the page structure. It 13037c478bd9Sstevel@tonic-gate * returns zero on success or non-zero on failure. 13047c478bd9Sstevel@tonic-gate */ 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate int 13077c478bd9Sstevel@tonic-gate ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, 13087c478bd9Sstevel@tonic-gate caddr_t addr, struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock) 13097c478bd9Sstevel@tonic-gate { 13107c478bd9Sstevel@tonic-gate return (i_ddi_map_fault(dip, dip, hat, seg, addr, dp, pfn, prot, lock)); 13117c478bd9Sstevel@tonic-gate } 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate /* 13147c478bd9Sstevel@tonic-gate * ddi_device_mapping_check: Called from ddi_segmap_setup. 13157c478bd9Sstevel@tonic-gate * Invokes platform specific DDI to determine whether attributes specified 13167c478bd9Sstevel@tonic-gate * in attr(9s) are valid for the region of memory that will be made 13177c478bd9Sstevel@tonic-gate * available for direct access to user process via the mmap(2) system call. 13187c478bd9Sstevel@tonic-gate */ 13197c478bd9Sstevel@tonic-gate int 13207c478bd9Sstevel@tonic-gate ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 13217c478bd9Sstevel@tonic-gate uint_t rnumber, uint_t *hat_flags) 13227c478bd9Sstevel@tonic-gate { 13237c478bd9Sstevel@tonic-gate ddi_acc_handle_t handle; 13247c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 13257c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 13267c478bd9Sstevel@tonic-gate int result; 13277c478bd9Sstevel@tonic-gate dev_info_t *dip; 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate /* 13307c478bd9Sstevel@tonic-gate * we use e_ddi_hold_devi_by_dev to search for the devi. We 13317c478bd9Sstevel@tonic-gate * release it immediately since it should already be held by 13327c478bd9Sstevel@tonic-gate * a devfs vnode. 13337c478bd9Sstevel@tonic-gate */ 13347c478bd9Sstevel@tonic-gate if ((dip = 13357c478bd9Sstevel@tonic-gate e_ddi_hold_devi_by_dev(dev, E_DDI_HOLD_DEVI_NOATTACH)) == NULL) 13367c478bd9Sstevel@tonic-gate return (-1); 13377c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* for e_ddi_hold_devi_by_dev() */ 13387c478bd9Sstevel@tonic-gate 13397c478bd9Sstevel@tonic-gate /* 13407c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data 13417c478bd9Sstevel@tonic-gate * access handle. 13427c478bd9Sstevel@tonic-gate */ 13437c478bd9Sstevel@tonic-gate handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 13447c478bd9Sstevel@tonic-gate if (handle == NULL) 13457c478bd9Sstevel@tonic-gate return (-1); 13467c478bd9Sstevel@tonic-gate 13477c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(handle); 13487c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 13497c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 13507c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 13517c478bd9Sstevel@tonic-gate hp->ah_offset = 0; 13527c478bd9Sstevel@tonic-gate hp->ah_len = 0; 13537c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate /* 13567c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 13577c478bd9Sstevel@tonic-gate */ 13587c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_HANDLE; 13597c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 13607c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 13617c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 13627c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 13637c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 13647c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 13657c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, 0, 0, NULL); 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate /* 13687c478bd9Sstevel@tonic-gate * Region must be mappable, pick up flags from the framework. 13697c478bd9Sstevel@tonic-gate */ 13707c478bd9Sstevel@tonic-gate *hat_flags = hp->ah_hat_flags; 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate impl_acc_hdl_free(handle); 13737c478bd9Sstevel@tonic-gate 13747c478bd9Sstevel@tonic-gate /* 13757c478bd9Sstevel@tonic-gate * check for end result. 13767c478bd9Sstevel@tonic-gate */ 13777c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) 13787c478bd9Sstevel@tonic-gate return (-1); 13797c478bd9Sstevel@tonic-gate return (0); 13807c478bd9Sstevel@tonic-gate } 13817c478bd9Sstevel@tonic-gate 13827c478bd9Sstevel@tonic-gate 13837c478bd9Sstevel@tonic-gate /* 13847c478bd9Sstevel@tonic-gate * Property functions: See also, ddipropdefs.h. 13857c478bd9Sstevel@tonic-gate * 13867c478bd9Sstevel@tonic-gate * These functions are the framework for the property functions, 13877c478bd9Sstevel@tonic-gate * i.e. they support software defined properties. All implementation 13887c478bd9Sstevel@tonic-gate * specific property handling (i.e.: self-identifying devices and 13897c478bd9Sstevel@tonic-gate * PROM defined properties are handled in the implementation specific 13907c478bd9Sstevel@tonic-gate * functions (defined in ddi_implfuncs.h). 13917c478bd9Sstevel@tonic-gate */ 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate /* 13947c478bd9Sstevel@tonic-gate * nopropop: Shouldn't be called, right? 13957c478bd9Sstevel@tonic-gate */ 13967c478bd9Sstevel@tonic-gate int 13977c478bd9Sstevel@tonic-gate nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 13987c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 13997c478bd9Sstevel@tonic-gate { 14007c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, dip, prop_op, mod_flags, name, valuep, lengthp)) 14017c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 14027c478bd9Sstevel@tonic-gate } 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 14057c478bd9Sstevel@tonic-gate int ddi_prop_debug_flag = 0; 14067c478bd9Sstevel@tonic-gate 14077c478bd9Sstevel@tonic-gate int 14087c478bd9Sstevel@tonic-gate ddi_prop_debug(int enable) 14097c478bd9Sstevel@tonic-gate { 14107c478bd9Sstevel@tonic-gate int prev = ddi_prop_debug_flag; 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate if ((enable != 0) || (prev != 0)) 14137c478bd9Sstevel@tonic-gate printf("ddi_prop_debug: debugging %s\n", 14147c478bd9Sstevel@tonic-gate enable ? "enabled" : "disabled"); 14157c478bd9Sstevel@tonic-gate ddi_prop_debug_flag = enable; 14167c478bd9Sstevel@tonic-gate return (prev); 14177c478bd9Sstevel@tonic-gate } 14187c478bd9Sstevel@tonic-gate 14197c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate /* 14227c478bd9Sstevel@tonic-gate * Search a property list for a match, if found return pointer 14237c478bd9Sstevel@tonic-gate * to matching prop struct, else return NULL. 14247c478bd9Sstevel@tonic-gate */ 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate ddi_prop_t * 14277c478bd9Sstevel@tonic-gate i_ddi_prop_search(dev_t dev, char *name, uint_t flags, ddi_prop_t **list_head) 14287c478bd9Sstevel@tonic-gate { 14297c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14307c478bd9Sstevel@tonic-gate 14317c478bd9Sstevel@tonic-gate /* 14327c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 14339ac2ddeaScth * Search order defined by this search function is first matching 14349ac2ddeaScth * property with input dev == DDI_DEV_T_ANY matching any dev or 14359ac2ddeaScth * dev == propp->prop_dev, name == propp->name, and the correct 14369ac2ddeaScth * data type as specified in the flags. If a DDI_DEV_T_NONE dev 14379ac2ddeaScth * value made it this far then it implies a DDI_DEV_T_ANY search. 14387c478bd9Sstevel@tonic-gate */ 14399ac2ddeaScth if (dev == DDI_DEV_T_NONE) 14409ac2ddeaScth dev = DDI_DEV_T_ANY; 14417c478bd9Sstevel@tonic-gate 14427c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 14437c478bd9Sstevel@tonic-gate 14442cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 14457c478bd9Sstevel@tonic-gate continue; 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate if ((dev != DDI_DEV_T_ANY) && (propp->prop_dev != dev)) 14487c478bd9Sstevel@tonic-gate continue; 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 14517c478bd9Sstevel@tonic-gate continue; 14527c478bd9Sstevel@tonic-gate 14537c478bd9Sstevel@tonic-gate return (propp); 14547c478bd9Sstevel@tonic-gate } 14557c478bd9Sstevel@tonic-gate 14567c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14577c478bd9Sstevel@tonic-gate } 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate /* 14607c478bd9Sstevel@tonic-gate * Search for property within devnames structures 14617c478bd9Sstevel@tonic-gate */ 14627c478bd9Sstevel@tonic-gate ddi_prop_t * 14637c478bd9Sstevel@tonic-gate i_ddi_search_global_prop(dev_t dev, char *name, uint_t flags) 14647c478bd9Sstevel@tonic-gate { 14657c478bd9Sstevel@tonic-gate major_t major; 14667c478bd9Sstevel@tonic-gate struct devnames *dnp; 14677c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14687c478bd9Sstevel@tonic-gate 14697c478bd9Sstevel@tonic-gate /* 14707c478bd9Sstevel@tonic-gate * Valid dev_t value is needed to index into the 14717c478bd9Sstevel@tonic-gate * correct devnames entry, therefore a dev_t 14727c478bd9Sstevel@tonic-gate * value of DDI_DEV_T_ANY is not appropriate. 14737c478bd9Sstevel@tonic-gate */ 14747c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_ANY); 14757c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY) { 14767c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14777c478bd9Sstevel@tonic-gate } 14787c478bd9Sstevel@tonic-gate 14797c478bd9Sstevel@tonic-gate major = getmajor(dev); 14807c478bd9Sstevel@tonic-gate dnp = &(devnamesp[major]); 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate if (dnp->dn_global_prop_ptr == NULL) 14837c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14847c478bd9Sstevel@tonic-gate 14857c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 14867c478bd9Sstevel@tonic-gate 14877c478bd9Sstevel@tonic-gate for (propp = dnp->dn_global_prop_ptr->prop_list; 14887c478bd9Sstevel@tonic-gate propp != NULL; 14897c478bd9Sstevel@tonic-gate propp = (ddi_prop_t *)propp->prop_next) { 14907c478bd9Sstevel@tonic-gate 14912cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 14927c478bd9Sstevel@tonic-gate continue; 14937c478bd9Sstevel@tonic-gate 149465cf7c95SVikram Hegde if ((!(flags & DDI_PROP_ROOTNEX_GLOBAL)) && 149565cf7c95SVikram Hegde (!(flags & LDI_DEV_T_ANY)) && (propp->prop_dev != dev)) 14967c478bd9Sstevel@tonic-gate continue; 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 14997c478bd9Sstevel@tonic-gate continue; 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate /* Property found, return it */ 15027c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15037c478bd9Sstevel@tonic-gate return (propp); 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate 15067c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15077c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 15087c478bd9Sstevel@tonic-gate } 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate static char prop_no_mem_msg[] = "can't allocate memory for ddi property <%s>"; 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate /* 15137c478bd9Sstevel@tonic-gate * ddi_prop_search_global: 15147c478bd9Sstevel@tonic-gate * Search the global property list within devnames 15157c478bd9Sstevel@tonic-gate * for the named property. Return the encoded value. 15167c478bd9Sstevel@tonic-gate */ 15177c478bd9Sstevel@tonic-gate static int 15187c478bd9Sstevel@tonic-gate i_ddi_prop_search_global(dev_t dev, uint_t flags, char *name, 15197c478bd9Sstevel@tonic-gate void *valuep, uint_t *lengthp) 15207c478bd9Sstevel@tonic-gate { 15217c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15227c478bd9Sstevel@tonic-gate caddr_t buffer; 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate propp = i_ddi_search_global_prop(dev, name, flags); 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate /* Property NOT found, bail */ 15277c478bd9Sstevel@tonic-gate if (propp == (ddi_prop_t *)0) 15287c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) 15317c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 15327c478bd9Sstevel@tonic-gate 15333b756dd3Scth if ((buffer = kmem_alloc(propp->prop_len, 15343b756dd3Scth (flags & DDI_PROP_CANSLEEP) ? KM_SLEEP : KM_NOSLEEP)) == NULL) { 15357c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 15367c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 15377c478bd9Sstevel@tonic-gate } 15387c478bd9Sstevel@tonic-gate 15397c478bd9Sstevel@tonic-gate /* 15407c478bd9Sstevel@tonic-gate * Return the encoded data 15417c478bd9Sstevel@tonic-gate */ 15427c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 15437c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 15447c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 15477c478bd9Sstevel@tonic-gate } 15487c478bd9Sstevel@tonic-gate 15497c478bd9Sstevel@tonic-gate /* 15507c478bd9Sstevel@tonic-gate * ddi_prop_search_common: Lookup and return the encoded value 15517c478bd9Sstevel@tonic-gate */ 15527c478bd9Sstevel@tonic-gate int 15537c478bd9Sstevel@tonic-gate ddi_prop_search_common(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 15547c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *valuep, uint_t *lengthp) 15557c478bd9Sstevel@tonic-gate { 15567c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15577c478bd9Sstevel@tonic-gate int i; 15587c478bd9Sstevel@tonic-gate caddr_t buffer; 15597c478bd9Sstevel@tonic-gate caddr_t prealloc = NULL; 15607c478bd9Sstevel@tonic-gate int plength = 0; 15617c478bd9Sstevel@tonic-gate dev_info_t *pdip; 15627c478bd9Sstevel@tonic-gate int (*bop)(); 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate /*CONSTANTCONDITION*/ 15657c478bd9Sstevel@tonic-gate while (1) { 15667c478bd9Sstevel@tonic-gate 15677c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate /* 15717c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 15727c478bd9Sstevel@tonic-gate * Search order is: 15737c478bd9Sstevel@tonic-gate * 1. driver defined properties 15747c478bd9Sstevel@tonic-gate * 2. system defined properties 15757c478bd9Sstevel@tonic-gate * 3. driver global properties 15767c478bd9Sstevel@tonic-gate * 4. boot defined properties 15777c478bd9Sstevel@tonic-gate */ 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15807c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_drv_prop_ptr)); 15817c478bd9Sstevel@tonic-gate if (propp == NULL) { 15827c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15837c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_sys_prop_ptr)); 15847c478bd9Sstevel@tonic-gate } 15857c478bd9Sstevel@tonic-gate if ((propp == NULL) && DEVI(dip)->devi_global_prop_list) { 15867c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15877c478bd9Sstevel@tonic-gate &DEVI(dip)->devi_global_prop_list->prop_list); 15887c478bd9Sstevel@tonic-gate } 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate if (propp == NULL) { 15917c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15927c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_hw_prop_ptr)); 15937c478bd9Sstevel@tonic-gate } 15947c478bd9Sstevel@tonic-gate 15957c478bd9Sstevel@tonic-gate /* 15967c478bd9Sstevel@tonic-gate * Software property found? 15977c478bd9Sstevel@tonic-gate */ 15987c478bd9Sstevel@tonic-gate if (propp != (ddi_prop_t *)0) { 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate /* 16017c478bd9Sstevel@tonic-gate * If explicit undefine, return now. 16027c478bd9Sstevel@tonic-gate */ 16037c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) { 16047c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16057c478bd9Sstevel@tonic-gate if (prealloc) 16067c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16077c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate /* 16117c478bd9Sstevel@tonic-gate * If we only want to know if it exists, return now 16127c478bd9Sstevel@tonic-gate */ 16137c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 16147c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16157c478bd9Sstevel@tonic-gate ASSERT(prealloc == NULL); 16167c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16177c478bd9Sstevel@tonic-gate } 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate /* 16207c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, 16217c478bd9Sstevel@tonic-gate * service request and return now. 16227c478bd9Sstevel@tonic-gate */ 16237c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) ||(propp->prop_len == 0)) { 16247c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate /* 16277c478bd9Sstevel@tonic-gate * if prop_op is PROP_LEN_AND_VAL_ALLOC 16287c478bd9Sstevel@tonic-gate * that means prop_len is 0, so set valuep 16297c478bd9Sstevel@tonic-gate * also to NULL 16307c478bd9Sstevel@tonic-gate */ 16317c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN_AND_VAL_ALLOC) 16327c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = NULL; 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16357c478bd9Sstevel@tonic-gate if (prealloc) 16367c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16377c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16387c478bd9Sstevel@tonic-gate } 16397c478bd9Sstevel@tonic-gate 16407c478bd9Sstevel@tonic-gate /* 16417c478bd9Sstevel@tonic-gate * If LEN_AND_VAL_ALLOC and the request can sleep, 16427c478bd9Sstevel@tonic-gate * drop the mutex, allocate the buffer, and go 16437c478bd9Sstevel@tonic-gate * through the loop again. If we already allocated 16447c478bd9Sstevel@tonic-gate * the buffer, and the size of the property changed, 16457c478bd9Sstevel@tonic-gate * keep trying... 16467c478bd9Sstevel@tonic-gate */ 16477c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN_AND_VAL_ALLOC) && 16487c478bd9Sstevel@tonic-gate (flags & DDI_PROP_CANSLEEP)) { 16497c478bd9Sstevel@tonic-gate if (prealloc && (propp->prop_len != plength)) { 16507c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16517c478bd9Sstevel@tonic-gate prealloc = NULL; 16527c478bd9Sstevel@tonic-gate } 16537c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16547c478bd9Sstevel@tonic-gate plength = propp->prop_len; 16557c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16567c478bd9Sstevel@tonic-gate prealloc = kmem_alloc(plength, 16577c478bd9Sstevel@tonic-gate KM_SLEEP); 16587c478bd9Sstevel@tonic-gate continue; 16597c478bd9Sstevel@tonic-gate } 16607c478bd9Sstevel@tonic-gate } 16617c478bd9Sstevel@tonic-gate 16627c478bd9Sstevel@tonic-gate /* 16637c478bd9Sstevel@tonic-gate * Allocate buffer, if required. Either way, 16647c478bd9Sstevel@tonic-gate * set `buffer' variable. 16657c478bd9Sstevel@tonic-gate */ 16667c478bd9Sstevel@tonic-gate i = *lengthp; /* Get callers length */ 16677c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; /* Set callers length */ 16687c478bd9Sstevel@tonic-gate 16697c478bd9Sstevel@tonic-gate switch (prop_op) { 16707c478bd9Sstevel@tonic-gate 16717c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 16727c478bd9Sstevel@tonic-gate 16737c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16747c478bd9Sstevel@tonic-gate buffer = kmem_alloc(propp->prop_len, 16757c478bd9Sstevel@tonic-gate KM_NOSLEEP); 16767c478bd9Sstevel@tonic-gate } else { 16777c478bd9Sstevel@tonic-gate buffer = prealloc; 16787c478bd9Sstevel@tonic-gate } 16797c478bd9Sstevel@tonic-gate 16807c478bd9Sstevel@tonic-gate if (buffer == NULL) { 16817c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16827c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 16837c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate /* Set callers buf ptr */ 16867c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 16877c478bd9Sstevel@tonic-gate break; 16887c478bd9Sstevel@tonic-gate 16897c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate if (propp->prop_len > (i)) { 16927c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16937c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 16947c478bd9Sstevel@tonic-gate } 16957c478bd9Sstevel@tonic-gate 16967c478bd9Sstevel@tonic-gate buffer = valuep; /* Get callers buf ptr */ 16977c478bd9Sstevel@tonic-gate break; 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate default: 17007c478bd9Sstevel@tonic-gate break; 17017c478bd9Sstevel@tonic-gate } 17027c478bd9Sstevel@tonic-gate 17037c478bd9Sstevel@tonic-gate /* 17047c478bd9Sstevel@tonic-gate * Do the copy. 17057c478bd9Sstevel@tonic-gate */ 17067c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 17077c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17087c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 17097c478bd9Sstevel@tonic-gate } 17107c478bd9Sstevel@tonic-gate 17117c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17127c478bd9Sstevel@tonic-gate if (prealloc) 17137c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 17147c478bd9Sstevel@tonic-gate prealloc = NULL; 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate /* 17177c478bd9Sstevel@tonic-gate * Prop not found, call parent bus_ops to deal with possible 17187c478bd9Sstevel@tonic-gate * h/w layer (possible PROM defined props, etc.) and to 17197c478bd9Sstevel@tonic-gate * possibly ascend the hierarchy, if allowed by flags. 17207c478bd9Sstevel@tonic-gate */ 17217c478bd9Sstevel@tonic-gate pdip = (dev_info_t *)DEVI(dip)->devi_parent; 17227c478bd9Sstevel@tonic-gate 17237c478bd9Sstevel@tonic-gate /* 17247c478bd9Sstevel@tonic-gate * One last call for the root driver PROM props? 17257c478bd9Sstevel@tonic-gate */ 17267c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 17277c478bd9Sstevel@tonic-gate return (ddi_bus_prop_op(dev, dip, dip, prop_op, 17287c478bd9Sstevel@tonic-gate flags, name, valuep, (int *)lengthp)); 17297c478bd9Sstevel@tonic-gate } 17307c478bd9Sstevel@tonic-gate 17317c478bd9Sstevel@tonic-gate /* 17327c478bd9Sstevel@tonic-gate * We may have been called to check for properties 17337c478bd9Sstevel@tonic-gate * within a single devinfo node that has no parent - 17347c478bd9Sstevel@tonic-gate * see make_prop() 17357c478bd9Sstevel@tonic-gate */ 17367c478bd9Sstevel@tonic-gate if (pdip == NULL) { 17377c478bd9Sstevel@tonic-gate ASSERT((flags & 17387c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)) == 17397c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)); 17407c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 17417c478bd9Sstevel@tonic-gate } 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate /* 17447c478bd9Sstevel@tonic-gate * Instead of recursing, we do iterative calls up the tree. 17457c478bd9Sstevel@tonic-gate * As a bit of optimization, skip the bus_op level if the 17467c478bd9Sstevel@tonic-gate * node is a s/w node and if the parent's bus_prop_op function 17477c478bd9Sstevel@tonic-gate * is `ddi_bus_prop_op', because we know that in this case, 17487c478bd9Sstevel@tonic-gate * this function does nothing. 17497c478bd9Sstevel@tonic-gate * 17507c478bd9Sstevel@tonic-gate * 4225415: If the parent isn't attached, or the child 17517c478bd9Sstevel@tonic-gate * hasn't been named by the parent yet, use the default 17527c478bd9Sstevel@tonic-gate * ddi_bus_prop_op as a proxy for the parent. This 17537c478bd9Sstevel@tonic-gate * allows property lookups in any child/parent state to 17547c478bd9Sstevel@tonic-gate * include 'prom' and inherited properties, even when 17557c478bd9Sstevel@tonic-gate * there are no drivers attached to the child or parent. 17567c478bd9Sstevel@tonic-gate */ 17577c478bd9Sstevel@tonic-gate 17587c478bd9Sstevel@tonic-gate bop = ddi_bus_prop_op; 1759737d277aScth if (i_ddi_devi_attached(pdip) && 17607c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) >= DS_INITIALIZED)) 17617c478bd9Sstevel@tonic-gate bop = DEVI(pdip)->devi_ops->devo_bus_ops->bus_prop_op; 17627c478bd9Sstevel@tonic-gate 17637c478bd9Sstevel@tonic-gate i = DDI_PROP_NOT_FOUND; 17647c478bd9Sstevel@tonic-gate 17657c478bd9Sstevel@tonic-gate if ((bop != ddi_bus_prop_op) || ndi_dev_is_prom_node(dip)) { 17667c478bd9Sstevel@tonic-gate i = (*bop)(dev, pdip, dip, prop_op, 17677c478bd9Sstevel@tonic-gate flags | DDI_PROP_DONTPASS, 17687c478bd9Sstevel@tonic-gate name, valuep, lengthp); 17697c478bd9Sstevel@tonic-gate } 17707c478bd9Sstevel@tonic-gate 17717c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_DONTPASS) || 17727c478bd9Sstevel@tonic-gate (i != DDI_PROP_NOT_FOUND)) 17737c478bd9Sstevel@tonic-gate return (i); 17747c478bd9Sstevel@tonic-gate 17757c478bd9Sstevel@tonic-gate dip = pdip; 17767c478bd9Sstevel@tonic-gate } 17777c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 17787c478bd9Sstevel@tonic-gate } 17797c478bd9Sstevel@tonic-gate 17807c478bd9Sstevel@tonic-gate 17817c478bd9Sstevel@tonic-gate /* 17827c478bd9Sstevel@tonic-gate * ddi_prop_op: The basic property operator for drivers. 17837c478bd9Sstevel@tonic-gate * 17847c478bd9Sstevel@tonic-gate * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 17857c478bd9Sstevel@tonic-gate * 17867c478bd9Sstevel@tonic-gate * prop_op valuep 17877c478bd9Sstevel@tonic-gate * ------ ------ 17887c478bd9Sstevel@tonic-gate * 17897c478bd9Sstevel@tonic-gate * PROP_LEN <unused> 17907c478bd9Sstevel@tonic-gate * 17917c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 17927c478bd9Sstevel@tonic-gate * 17937c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 17947c478bd9Sstevel@tonic-gate * address of allocated buffer, if successful) 17957c478bd9Sstevel@tonic-gate */ 17967c478bd9Sstevel@tonic-gate int 17977c478bd9Sstevel@tonic-gate ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 17987c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 17997c478bd9Sstevel@tonic-gate { 18007c478bd9Sstevel@tonic-gate int i; 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate ASSERT((mod_flags & DDI_PROP_TYPE_MASK) == 0); 18037c478bd9Sstevel@tonic-gate 18047c478bd9Sstevel@tonic-gate /* 18057c478bd9Sstevel@tonic-gate * If this was originally an LDI prop lookup then we bail here. 18067c478bd9Sstevel@tonic-gate * The reason is that the LDI property lookup interfaces first call 18077c478bd9Sstevel@tonic-gate * a drivers prop_op() entry point to allow it to override 18087c478bd9Sstevel@tonic-gate * properties. But if we've made it here, then the driver hasn't 18097c478bd9Sstevel@tonic-gate * overriden any properties. We don't want to continue with the 18107c478bd9Sstevel@tonic-gate * property search here because we don't have any type inforamtion. 18117c478bd9Sstevel@tonic-gate * When we return failure, the LDI interfaces will then proceed to 18127c478bd9Sstevel@tonic-gate * call the typed property interfaces to look up the property. 18137c478bd9Sstevel@tonic-gate */ 18147c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_DYNAMIC) 18157c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 18167c478bd9Sstevel@tonic-gate 18177c478bd9Sstevel@tonic-gate /* 18187c478bd9Sstevel@tonic-gate * check for pre-typed property consumer asking for typed property: 18197c478bd9Sstevel@tonic-gate * see e_ddi_getprop_int64. 18207c478bd9Sstevel@tonic-gate */ 18217c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_CONSUMER_TYPED) 18227c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_INT64; 18237c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_ANY; 18247c478bd9Sstevel@tonic-gate 18257c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(dev, dip, prop_op, 1826184cd04cScth mod_flags, name, valuep, (uint_t *)lengthp); 18277c478bd9Sstevel@tonic-gate if (i == DDI_PROP_FOUND_1275) 18287c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 18297c478bd9Sstevel@tonic-gate return (i); 18307c478bd9Sstevel@tonic-gate } 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate /* 1833184cd04cScth * ddi_prop_op_nblocks_blksize: The basic property operator for drivers that 1834184cd04cScth * maintain size in number of blksize blocks. Provides a dynamic property 1835184cd04cScth * implementation for size oriented properties based on nblocks64 and blksize 1836184cd04cScth * values passed in by the driver. Fallback to ddi_prop_op if the nblocks64 1837184cd04cScth * is too large. This interface should not be used with a nblocks64 that 1838184cd04cScth * represents the driver's idea of how to represent unknown, if nblocks is 1839184cd04cScth * unknown use ddi_prop_op. 18407c478bd9Sstevel@tonic-gate */ 18417c478bd9Sstevel@tonic-gate int 1842184cd04cScth ddi_prop_op_nblocks_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1843184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, 1844184cd04cScth uint64_t nblocks64, uint_t blksize) 18457c478bd9Sstevel@tonic-gate { 18467c478bd9Sstevel@tonic-gate uint64_t size64; 1847184cd04cScth int blkshift; 1848184cd04cScth 1849184cd04cScth /* convert block size to shift value */ 1850184cd04cScth ASSERT(BIT_ONLYONESET(blksize)); 1851184cd04cScth blkshift = highbit(blksize) - 1; 18527c478bd9Sstevel@tonic-gate 18537c478bd9Sstevel@tonic-gate /* 18547c478bd9Sstevel@tonic-gate * There is no point in supporting nblocks64 values that don't have 18557c478bd9Sstevel@tonic-gate * an accurate uint64_t byte count representation. 18567c478bd9Sstevel@tonic-gate */ 1857184cd04cScth if (nblocks64 >= (UINT64_MAX >> blkshift)) 18587c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 18597c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 18607c478bd9Sstevel@tonic-gate 1861184cd04cScth size64 = nblocks64 << blkshift; 1862184cd04cScth return (ddi_prop_op_size_blksize(dev, dip, prop_op, mod_flags, 1863184cd04cScth name, valuep, lengthp, size64, blksize)); 18647c478bd9Sstevel@tonic-gate } 18657c478bd9Sstevel@tonic-gate 18667c478bd9Sstevel@tonic-gate /* 1867184cd04cScth * ddi_prop_op_nblocks: ddi_prop_op_nblocks_blksize with DEV_BSIZE blksize. 1868184cd04cScth */ 1869184cd04cScth int 1870184cd04cScth ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1871184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t nblocks64) 1872184cd04cScth { 1873184cd04cScth return (ddi_prop_op_nblocks_blksize(dev, dip, prop_op, 1874184cd04cScth mod_flags, name, valuep, lengthp, nblocks64, DEV_BSIZE)); 1875184cd04cScth } 1876184cd04cScth 1877184cd04cScth /* 1878184cd04cScth * ddi_prop_op_size_blksize: The basic property operator for block drivers that 1879184cd04cScth * maintain size in bytes. Provides a of dynamic property implementation for 1880184cd04cScth * size oriented properties based on size64 value and blksize passed in by the 1881184cd04cScth * driver. Fallback to ddi_prop_op if the size64 is too large. This interface 1882184cd04cScth * should not be used with a size64 that represents the driver's idea of how 1883184cd04cScth * to represent unknown, if size is unknown use ddi_prop_op. 18847c478bd9Sstevel@tonic-gate * 18857c478bd9Sstevel@tonic-gate * NOTE: the legacy "nblocks"/"size" properties are treated as 32-bit unsigned 18867c478bd9Sstevel@tonic-gate * integers. While the most likely interface to request them ([bc]devi_size) 18877c478bd9Sstevel@tonic-gate * is declared int (signed) there is no enforcement of this, which means we 18887c478bd9Sstevel@tonic-gate * can't enforce limitations here without risking regression. 18897c478bd9Sstevel@tonic-gate */ 18907c478bd9Sstevel@tonic-gate int 1891184cd04cScth ddi_prop_op_size_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1892184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t size64, 1893184cd04cScth uint_t blksize) 18947c478bd9Sstevel@tonic-gate { 18957c478bd9Sstevel@tonic-gate uint64_t nblocks64; 18967c478bd9Sstevel@tonic-gate int callers_length; 18977c478bd9Sstevel@tonic-gate caddr_t buffer; 1898184cd04cScth int blkshift; 1899184cd04cScth 1900b9ccdc5aScth /* 1901b9ccdc5aScth * This is a kludge to support capture of size(9P) pure dynamic 1902b9ccdc5aScth * properties in snapshots for non-cmlb code (without exposing 1903b9ccdc5aScth * i_ddi_prop_dyn changes). When everyone uses cmlb, this code 1904b9ccdc5aScth * should be removed. 1905b9ccdc5aScth */ 1906b9ccdc5aScth if (i_ddi_prop_dyn_driver_get(dip) == NULL) { 1907b9ccdc5aScth static i_ddi_prop_dyn_t prop_dyn_size[] = { 1908b9ccdc5aScth {"Size", DDI_PROP_TYPE_INT64, S_IFCHR}, 1909b9ccdc5aScth {"Nblocks", DDI_PROP_TYPE_INT64, S_IFBLK}, 1910b9ccdc5aScth {NULL} 1911b9ccdc5aScth }; 1912b9ccdc5aScth i_ddi_prop_dyn_driver_set(dip, prop_dyn_size); 1913b9ccdc5aScth } 1914b9ccdc5aScth 1915184cd04cScth /* convert block size to shift value */ 1916184cd04cScth ASSERT(BIT_ONLYONESET(blksize)); 1917184cd04cScth blkshift = highbit(blksize) - 1; 19187c478bd9Sstevel@tonic-gate 19197c478bd9Sstevel@tonic-gate /* compute DEV_BSIZE nblocks value */ 1920184cd04cScth nblocks64 = size64 >> blkshift; 19217c478bd9Sstevel@tonic-gate 19227c478bd9Sstevel@tonic-gate /* get callers length, establish length of our dynamic properties */ 19237c478bd9Sstevel@tonic-gate callers_length = *lengthp; 19247c478bd9Sstevel@tonic-gate 19257c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19267c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19277c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19287c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19297c478bd9Sstevel@tonic-gate else if ((strcmp(name, "nblocks") == 0) && (nblocks64 < UINT_MAX)) 19307c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 19317c478bd9Sstevel@tonic-gate else if ((strcmp(name, "size") == 0) && (size64 < UINT_MAX)) 19327c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 1933184cd04cScth else if ((strcmp(name, "blksize") == 0) && (blksize < UINT_MAX)) 1934184cd04cScth *lengthp = sizeof (uint32_t); 19357c478bd9Sstevel@tonic-gate else { 19367c478bd9Sstevel@tonic-gate /* fallback to ddi_prop_op */ 19377c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 19387c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 19397c478bd9Sstevel@tonic-gate } 19407c478bd9Sstevel@tonic-gate 19417c478bd9Sstevel@tonic-gate /* service request for the length of the property */ 19427c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN) 19437c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19447c478bd9Sstevel@tonic-gate 19457c478bd9Sstevel@tonic-gate switch (prop_op) { 19467c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 19477c478bd9Sstevel@tonic-gate if ((buffer = kmem_alloc(*lengthp, 19487c478bd9Sstevel@tonic-gate (mod_flags & DDI_PROP_CANSLEEP) ? 19497c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP)) == NULL) 19507c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 19517c478bd9Sstevel@tonic-gate 19527c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; /* set callers buf ptr */ 19537c478bd9Sstevel@tonic-gate break; 19547c478bd9Sstevel@tonic-gate 19557c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 1956b9ccdc5aScth /* the length of the property and the request must match */ 1957b9ccdc5aScth if (callers_length != *lengthp) 1958b9ccdc5aScth return (DDI_PROP_INVAL_ARG); 1959b9ccdc5aScth 19607c478bd9Sstevel@tonic-gate buffer = valuep; /* get callers buf ptr */ 19617c478bd9Sstevel@tonic-gate break; 19627c478bd9Sstevel@tonic-gate 19637c478bd9Sstevel@tonic-gate default: 19647c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 19657c478bd9Sstevel@tonic-gate } 19667c478bd9Sstevel@tonic-gate 19677c478bd9Sstevel@tonic-gate /* transfer the value into the buffer */ 19687c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19697c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = nblocks64; 19707c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19717c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = size64; 19727c478bd9Sstevel@tonic-gate else if (strcmp(name, "nblocks") == 0) 19737c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)nblocks64; 19747c478bd9Sstevel@tonic-gate else if (strcmp(name, "size") == 0) 19757c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)size64; 1976184cd04cScth else if (strcmp(name, "blksize") == 0) 1977184cd04cScth *((uint32_t *)buffer) = (uint32_t)blksize; 19787c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19797c478bd9Sstevel@tonic-gate } 19807c478bd9Sstevel@tonic-gate 1981184cd04cScth /* 1982184cd04cScth * ddi_prop_op_size: ddi_prop_op_size_blksize with DEV_BSIZE block size. 1983184cd04cScth */ 1984184cd04cScth int 1985184cd04cScth ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1986184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t size64) 1987184cd04cScth { 1988184cd04cScth return (ddi_prop_op_size_blksize(dev, dip, prop_op, 1989184cd04cScth mod_flags, name, valuep, lengthp, size64, DEV_BSIZE)); 1990184cd04cScth } 1991184cd04cScth 19927c478bd9Sstevel@tonic-gate /* 19937c478bd9Sstevel@tonic-gate * Variable length props... 19947c478bd9Sstevel@tonic-gate */ 19957c478bd9Sstevel@tonic-gate 19967c478bd9Sstevel@tonic-gate /* 19977c478bd9Sstevel@tonic-gate * ddi_getlongprop: Get variable length property len+val into a buffer 19987c478bd9Sstevel@tonic-gate * allocated by property provider via kmem_alloc. Requester 19997c478bd9Sstevel@tonic-gate * is responsible for freeing returned property via kmem_free. 20007c478bd9Sstevel@tonic-gate * 20017c478bd9Sstevel@tonic-gate * Arguments: 20027c478bd9Sstevel@tonic-gate * 20037c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 20047c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 20057c478bd9Sstevel@tonic-gate * flags: Input: Possible flag modifiers are: 20067c478bd9Sstevel@tonic-gate * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 20077c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Memory allocation may sleep. 20087c478bd9Sstevel@tonic-gate * name: Input: name of property. 20097c478bd9Sstevel@tonic-gate * valuep: Output: Addr of callers buffer pointer. 20107c478bd9Sstevel@tonic-gate * lengthp:Output: *lengthp will contain prop length on exit. 20117c478bd9Sstevel@tonic-gate * 20127c478bd9Sstevel@tonic-gate * Possible Returns: 20137c478bd9Sstevel@tonic-gate * 20147c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS: Prop found and returned. 20157c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND: Prop not found 20167c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED: Prop explicitly undefined. 20177c478bd9Sstevel@tonic-gate * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 20187c478bd9Sstevel@tonic-gate */ 20197c478bd9Sstevel@tonic-gate 20207c478bd9Sstevel@tonic-gate int 20217c478bd9Sstevel@tonic-gate ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 20227c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 20237c478bd9Sstevel@tonic-gate { 20247c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_ALLOC, 20257c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 20267c478bd9Sstevel@tonic-gate } 20277c478bd9Sstevel@tonic-gate 20287c478bd9Sstevel@tonic-gate /* 20297c478bd9Sstevel@tonic-gate * 20307c478bd9Sstevel@tonic-gate * ddi_getlongprop_buf: Get long prop into pre-allocated callers 20317c478bd9Sstevel@tonic-gate * buffer. (no memory allocation by provider). 20327c478bd9Sstevel@tonic-gate * 20337c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 20347c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 20357c478bd9Sstevel@tonic-gate * flags: Input: DDI_PROP_DONTPASS or NULL 20367c478bd9Sstevel@tonic-gate * name: Input: name of property 20377c478bd9Sstevel@tonic-gate * valuep: Input: ptr to callers buffer. 20387c478bd9Sstevel@tonic-gate * lengthp:I/O: ptr to length of callers buffer on entry, 20397c478bd9Sstevel@tonic-gate * actual length of property on exit. 20407c478bd9Sstevel@tonic-gate * 20417c478bd9Sstevel@tonic-gate * Possible returns: 20427c478bd9Sstevel@tonic-gate * 20437c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS Prop found and returned 20447c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND Prop not found 20457c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED Prop explicitly undefined. 20467c478bd9Sstevel@tonic-gate * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 20477c478bd9Sstevel@tonic-gate * no value returned, but actual prop 20487c478bd9Sstevel@tonic-gate * length returned in *lengthp 20497c478bd9Sstevel@tonic-gate * 20507c478bd9Sstevel@tonic-gate */ 20517c478bd9Sstevel@tonic-gate 20527c478bd9Sstevel@tonic-gate int 20537c478bd9Sstevel@tonic-gate ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 20547c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 20557c478bd9Sstevel@tonic-gate { 20567c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20577c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 20587c478bd9Sstevel@tonic-gate } 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate /* 20617c478bd9Sstevel@tonic-gate * Integer/boolean sized props. 20627c478bd9Sstevel@tonic-gate * 20637c478bd9Sstevel@tonic-gate * Call is value only... returns found boolean or int sized prop value or 20647c478bd9Sstevel@tonic-gate * defvalue if prop not found or is wrong length or is explicitly undefined. 20657c478bd9Sstevel@tonic-gate * Only flag is DDI_PROP_DONTPASS... 20667c478bd9Sstevel@tonic-gate * 20677c478bd9Sstevel@tonic-gate * By convention, this interface returns boolean (0) sized properties 20687c478bd9Sstevel@tonic-gate * as value (int)1. 20697c478bd9Sstevel@tonic-gate * 20707c478bd9Sstevel@tonic-gate * This never returns an error, if property not found or specifically 20717c478bd9Sstevel@tonic-gate * undefined, the input `defvalue' is returned. 20727c478bd9Sstevel@tonic-gate */ 20737c478bd9Sstevel@tonic-gate 20747c478bd9Sstevel@tonic-gate int 20757c478bd9Sstevel@tonic-gate ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue) 20767c478bd9Sstevel@tonic-gate { 20777c478bd9Sstevel@tonic-gate int propvalue = defvalue; 20787c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 20797c478bd9Sstevel@tonic-gate int error; 20807c478bd9Sstevel@tonic-gate 20817c478bd9Sstevel@tonic-gate error = ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20827c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 20837c478bd9Sstevel@tonic-gate 20847c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 20857c478bd9Sstevel@tonic-gate propvalue = 1; 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate return (propvalue); 20887c478bd9Sstevel@tonic-gate } 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate /* 20917c478bd9Sstevel@tonic-gate * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 20927c478bd9Sstevel@tonic-gate * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 20937c478bd9Sstevel@tonic-gate */ 20947c478bd9Sstevel@tonic-gate 20957c478bd9Sstevel@tonic-gate int 20967c478bd9Sstevel@tonic-gate ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp) 20977c478bd9Sstevel@tonic-gate { 20987c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN, flags, name, NULL, lengthp)); 20997c478bd9Sstevel@tonic-gate } 21007c478bd9Sstevel@tonic-gate 21017c478bd9Sstevel@tonic-gate /* 21027c478bd9Sstevel@tonic-gate * Allocate a struct prop_driver_data, along with 'size' bytes 21037c478bd9Sstevel@tonic-gate * for decoded property data. This structure is freed by 21047c478bd9Sstevel@tonic-gate * calling ddi_prop_free(9F). 21057c478bd9Sstevel@tonic-gate */ 21067c478bd9Sstevel@tonic-gate static void * 21077c478bd9Sstevel@tonic-gate ddi_prop_decode_alloc(size_t size, void (*prop_free)(struct prop_driver_data *)) 21087c478bd9Sstevel@tonic-gate { 21097c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 21107c478bd9Sstevel@tonic-gate 21117c478bd9Sstevel@tonic-gate /* 21127c478bd9Sstevel@tonic-gate * Allocate a structure with enough memory to store the decoded data. 21137c478bd9Sstevel@tonic-gate */ 21147c478bd9Sstevel@tonic-gate pdd = kmem_zalloc(sizeof (struct prop_driver_data) + size, KM_SLEEP); 21157c478bd9Sstevel@tonic-gate pdd->pdd_size = (sizeof (struct prop_driver_data) + size); 21167c478bd9Sstevel@tonic-gate pdd->pdd_prop_free = prop_free; 21177c478bd9Sstevel@tonic-gate 21187c478bd9Sstevel@tonic-gate /* 21197c478bd9Sstevel@tonic-gate * Return a pointer to the location to put the decoded data. 21207c478bd9Sstevel@tonic-gate */ 21217c478bd9Sstevel@tonic-gate return ((void *)((caddr_t)pdd + sizeof (struct prop_driver_data))); 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate /* 21257c478bd9Sstevel@tonic-gate * Allocated the memory needed to store the encoded data in the property 21267c478bd9Sstevel@tonic-gate * handle. 21277c478bd9Sstevel@tonic-gate */ 21287c478bd9Sstevel@tonic-gate static int 21297c478bd9Sstevel@tonic-gate ddi_prop_encode_alloc(prop_handle_t *ph, size_t size) 21307c478bd9Sstevel@tonic-gate { 21317c478bd9Sstevel@tonic-gate /* 21327c478bd9Sstevel@tonic-gate * If size is zero, then set data to NULL and size to 0. This 21337c478bd9Sstevel@tonic-gate * is a boolean property. 21347c478bd9Sstevel@tonic-gate */ 21357c478bd9Sstevel@tonic-gate if (size == 0) { 21367c478bd9Sstevel@tonic-gate ph->ph_size = 0; 21377c478bd9Sstevel@tonic-gate ph->ph_data = NULL; 21387c478bd9Sstevel@tonic-gate ph->ph_cur_pos = NULL; 21397c478bd9Sstevel@tonic-gate ph->ph_save_pos = NULL; 21407c478bd9Sstevel@tonic-gate } else { 21417c478bd9Sstevel@tonic-gate if (ph->ph_flags == DDI_PROP_DONTSLEEP) { 21427c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_NOSLEEP); 21437c478bd9Sstevel@tonic-gate if (ph->ph_data == NULL) 21447c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 21457c478bd9Sstevel@tonic-gate } else 21467c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_SLEEP); 21477c478bd9Sstevel@tonic-gate ph->ph_size = size; 21487c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 21497c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 21507c478bd9Sstevel@tonic-gate } 21517c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate 21547c478bd9Sstevel@tonic-gate /* 21557c478bd9Sstevel@tonic-gate * Free the space allocated by the lookup routines. Each lookup routine 21567c478bd9Sstevel@tonic-gate * returns a pointer to the decoded data to the driver. The driver then 21577c478bd9Sstevel@tonic-gate * passes this pointer back to us. This data actually lives in a struct 21587c478bd9Sstevel@tonic-gate * prop_driver_data. We use negative indexing to find the beginning of 21597c478bd9Sstevel@tonic-gate * the structure and then free the entire structure using the size and 21607c478bd9Sstevel@tonic-gate * the free routine stored in the structure. 21617c478bd9Sstevel@tonic-gate */ 21627c478bd9Sstevel@tonic-gate void 21637c478bd9Sstevel@tonic-gate ddi_prop_free(void *datap) 21647c478bd9Sstevel@tonic-gate { 21657c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 21667c478bd9Sstevel@tonic-gate 21677c478bd9Sstevel@tonic-gate /* 21687c478bd9Sstevel@tonic-gate * Get the structure 21697c478bd9Sstevel@tonic-gate */ 21707c478bd9Sstevel@tonic-gate pdd = (struct prop_driver_data *) 2171184cd04cScth ((caddr_t)datap - sizeof (struct prop_driver_data)); 21727c478bd9Sstevel@tonic-gate /* 21737c478bd9Sstevel@tonic-gate * Call the free routine to free it 21747c478bd9Sstevel@tonic-gate */ 21757c478bd9Sstevel@tonic-gate (*pdd->pdd_prop_free)(pdd); 21767c478bd9Sstevel@tonic-gate } 21777c478bd9Sstevel@tonic-gate 21787c478bd9Sstevel@tonic-gate /* 21797c478bd9Sstevel@tonic-gate * Free the data associated with an array of ints, 21807c478bd9Sstevel@tonic-gate * allocated with ddi_prop_decode_alloc(). 21817c478bd9Sstevel@tonic-gate */ 21827c478bd9Sstevel@tonic-gate static void 21837c478bd9Sstevel@tonic-gate ddi_prop_free_ints(struct prop_driver_data *pdd) 21847c478bd9Sstevel@tonic-gate { 21857c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21867c478bd9Sstevel@tonic-gate } 21877c478bd9Sstevel@tonic-gate 21887c478bd9Sstevel@tonic-gate /* 21897c478bd9Sstevel@tonic-gate * Free a single string property or a single string contained within 21907c478bd9Sstevel@tonic-gate * the argv style return value of an array of strings. 21917c478bd9Sstevel@tonic-gate */ 21927c478bd9Sstevel@tonic-gate static void 21937c478bd9Sstevel@tonic-gate ddi_prop_free_string(struct prop_driver_data *pdd) 21947c478bd9Sstevel@tonic-gate { 21957c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21967c478bd9Sstevel@tonic-gate 21977c478bd9Sstevel@tonic-gate } 21987c478bd9Sstevel@tonic-gate 21997c478bd9Sstevel@tonic-gate /* 22007c478bd9Sstevel@tonic-gate * Free an array of strings. 22017c478bd9Sstevel@tonic-gate */ 22027c478bd9Sstevel@tonic-gate static void 22037c478bd9Sstevel@tonic-gate ddi_prop_free_strings(struct prop_driver_data *pdd) 22047c478bd9Sstevel@tonic-gate { 22057c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 22067c478bd9Sstevel@tonic-gate } 22077c478bd9Sstevel@tonic-gate 22087c478bd9Sstevel@tonic-gate /* 22097c478bd9Sstevel@tonic-gate * Free the data associated with an array of bytes. 22107c478bd9Sstevel@tonic-gate */ 22117c478bd9Sstevel@tonic-gate static void 22127c478bd9Sstevel@tonic-gate ddi_prop_free_bytes(struct prop_driver_data *pdd) 22137c478bd9Sstevel@tonic-gate { 22147c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 22157c478bd9Sstevel@tonic-gate } 22167c478bd9Sstevel@tonic-gate 22177c478bd9Sstevel@tonic-gate /* 22187c478bd9Sstevel@tonic-gate * Reset the current location pointer in the property handle to the 22197c478bd9Sstevel@tonic-gate * beginning of the data. 22207c478bd9Sstevel@tonic-gate */ 22217c478bd9Sstevel@tonic-gate void 22227c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(prop_handle_t *ph) 22237c478bd9Sstevel@tonic-gate { 22247c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 22257c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 22267c478bd9Sstevel@tonic-gate } 22277c478bd9Sstevel@tonic-gate 22287c478bd9Sstevel@tonic-gate /* 22297c478bd9Sstevel@tonic-gate * Restore the current location pointer in the property handle to the 22307c478bd9Sstevel@tonic-gate * saved position. 22317c478bd9Sstevel@tonic-gate */ 22327c478bd9Sstevel@tonic-gate void 22337c478bd9Sstevel@tonic-gate ddi_prop_save_pos(prop_handle_t *ph) 22347c478bd9Sstevel@tonic-gate { 22357c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_cur_pos; 22367c478bd9Sstevel@tonic-gate } 22377c478bd9Sstevel@tonic-gate 22387c478bd9Sstevel@tonic-gate /* 22397c478bd9Sstevel@tonic-gate * Save the location that the current location pointer is pointing to.. 22407c478bd9Sstevel@tonic-gate */ 22417c478bd9Sstevel@tonic-gate void 22427c478bd9Sstevel@tonic-gate ddi_prop_restore_pos(prop_handle_t *ph) 22437c478bd9Sstevel@tonic-gate { 22447c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_save_pos; 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate 22477c478bd9Sstevel@tonic-gate /* 22487c478bd9Sstevel@tonic-gate * Property encode/decode functions 22497c478bd9Sstevel@tonic-gate */ 22507c478bd9Sstevel@tonic-gate 22517c478bd9Sstevel@tonic-gate /* 22527c478bd9Sstevel@tonic-gate * Decode a single integer property 22537c478bd9Sstevel@tonic-gate */ 22547c478bd9Sstevel@tonic-gate static int 22557c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int(prop_handle_t *ph, void *data, uint_t *nelements) 22567c478bd9Sstevel@tonic-gate { 22577c478bd9Sstevel@tonic-gate int i; 22587c478bd9Sstevel@tonic-gate int tmp; 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate /* 22617c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22627c478bd9Sstevel@tonic-gate */ 22637c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22647c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22657c478bd9Sstevel@tonic-gate 22667c478bd9Sstevel@tonic-gate /* 22677c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 22687c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 22697c478bd9Sstevel@tonic-gate */ 22707c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, &tmp); 22717c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 22727c478bd9Sstevel@tonic-gate switch (i) { 22737c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 22747c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22757c478bd9Sstevel@tonic-gate 22767c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 22777c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 22787c478bd9Sstevel@tonic-gate } 22797c478bd9Sstevel@tonic-gate } 22807c478bd9Sstevel@tonic-gate 22817c478bd9Sstevel@tonic-gate *(int *)data = tmp; 22827c478bd9Sstevel@tonic-gate *nelements = 1; 22837c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate 22867c478bd9Sstevel@tonic-gate /* 22877c478bd9Sstevel@tonic-gate * Decode a single 64 bit integer property 22887c478bd9Sstevel@tonic-gate */ 22897c478bd9Sstevel@tonic-gate static int 22907c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64(prop_handle_t *ph, void *data, uint_t *nelements) 22917c478bd9Sstevel@tonic-gate { 22927c478bd9Sstevel@tonic-gate int i; 22937c478bd9Sstevel@tonic-gate int64_t tmp; 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate /* 22967c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22977c478bd9Sstevel@tonic-gate */ 22987c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22997c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23007c478bd9Sstevel@tonic-gate 23017c478bd9Sstevel@tonic-gate /* 23027c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 23037c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 23047c478bd9Sstevel@tonic-gate */ 23057c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, &tmp); 23067c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 23077c478bd9Sstevel@tonic-gate switch (i) { 23087c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 23097c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 23127c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate } 23157c478bd9Sstevel@tonic-gate 23167c478bd9Sstevel@tonic-gate *(int64_t *)data = tmp; 23177c478bd9Sstevel@tonic-gate *nelements = 1; 23187c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 23197c478bd9Sstevel@tonic-gate } 23207c478bd9Sstevel@tonic-gate 23217c478bd9Sstevel@tonic-gate /* 23227c478bd9Sstevel@tonic-gate * Decode an array of integers property 23237c478bd9Sstevel@tonic-gate */ 23247c478bd9Sstevel@tonic-gate static int 23257c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_ints(prop_handle_t *ph, void *data, uint_t *nelements) 23267c478bd9Sstevel@tonic-gate { 23277c478bd9Sstevel@tonic-gate int i; 23287c478bd9Sstevel@tonic-gate int cnt = 0; 23297c478bd9Sstevel@tonic-gate int *tmp; 23307c478bd9Sstevel@tonic-gate int *intp; 23317c478bd9Sstevel@tonic-gate int n; 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate /* 23347c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 23357c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 23367c478bd9Sstevel@tonic-gate */ 23377c478bd9Sstevel@tonic-gate for (;;) { 23387c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_SKIP, NULL); 23397c478bd9Sstevel@tonic-gate if (i < 0) 23407c478bd9Sstevel@tonic-gate break; 23417c478bd9Sstevel@tonic-gate cnt++; 23427c478bd9Sstevel@tonic-gate } 23437c478bd9Sstevel@tonic-gate 23447c478bd9Sstevel@tonic-gate /* 23457c478bd9Sstevel@tonic-gate * If there are no elements return an error 23467c478bd9Sstevel@tonic-gate */ 23477c478bd9Sstevel@tonic-gate if (cnt == 0) 23487c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23497c478bd9Sstevel@tonic-gate 23507c478bd9Sstevel@tonic-gate /* 23517c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 23527c478bd9Sstevel@tonic-gate */ 23537c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 23547c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate /* 23577c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 23587c478bd9Sstevel@tonic-gate */ 23597c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 23607c478bd9Sstevel@tonic-gate 23617c478bd9Sstevel@tonic-gate /* 23627c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 23637c478bd9Sstevel@tonic-gate */ 23647c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int)), 2365184cd04cScth ddi_prop_free_ints); 23667c478bd9Sstevel@tonic-gate 23677c478bd9Sstevel@tonic-gate /* 23687c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 23697c478bd9Sstevel@tonic-gate */ 23707c478bd9Sstevel@tonic-gate tmp = intp; 23717c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 23727c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, tmp); 23737c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 23747c478bd9Sstevel@tonic-gate /* 23757c478bd9Sstevel@tonic-gate * Free the space we just allocated 23767c478bd9Sstevel@tonic-gate * and return an error. 23777c478bd9Sstevel@tonic-gate */ 23787c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 23797c478bd9Sstevel@tonic-gate switch (i) { 23807c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 23817c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23827c478bd9Sstevel@tonic-gate 23837c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 23847c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23857c478bd9Sstevel@tonic-gate } 23867c478bd9Sstevel@tonic-gate } 23877c478bd9Sstevel@tonic-gate } 23887c478bd9Sstevel@tonic-gate 23897c478bd9Sstevel@tonic-gate *nelements = cnt; 23907c478bd9Sstevel@tonic-gate *(int **)data = intp; 23917c478bd9Sstevel@tonic-gate 23927c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 23937c478bd9Sstevel@tonic-gate } 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate /* 23967c478bd9Sstevel@tonic-gate * Decode a 64 bit integer array property 23977c478bd9Sstevel@tonic-gate */ 23987c478bd9Sstevel@tonic-gate static int 23997c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64_array(prop_handle_t *ph, void *data, uint_t *nelements) 24007c478bd9Sstevel@tonic-gate { 24017c478bd9Sstevel@tonic-gate int i; 24027c478bd9Sstevel@tonic-gate int n; 24037c478bd9Sstevel@tonic-gate int cnt = 0; 24047c478bd9Sstevel@tonic-gate int64_t *tmp; 24057c478bd9Sstevel@tonic-gate int64_t *intp; 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate /* 24087c478bd9Sstevel@tonic-gate * Count the number of array elements by going 24097c478bd9Sstevel@tonic-gate * through the data without decoding it. 24107c478bd9Sstevel@tonic-gate */ 24117c478bd9Sstevel@tonic-gate for (;;) { 24127c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_SKIP, NULL); 24137c478bd9Sstevel@tonic-gate if (i < 0) 24147c478bd9Sstevel@tonic-gate break; 24157c478bd9Sstevel@tonic-gate cnt++; 24167c478bd9Sstevel@tonic-gate } 24177c478bd9Sstevel@tonic-gate 24187c478bd9Sstevel@tonic-gate /* 24197c478bd9Sstevel@tonic-gate * If there are no elements return an error 24207c478bd9Sstevel@tonic-gate */ 24217c478bd9Sstevel@tonic-gate if (cnt == 0) 24227c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24237c478bd9Sstevel@tonic-gate 24247c478bd9Sstevel@tonic-gate /* 24257c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 24267c478bd9Sstevel@tonic-gate */ 24277c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 24287c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24297c478bd9Sstevel@tonic-gate 24307c478bd9Sstevel@tonic-gate /* 24317c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 24327c478bd9Sstevel@tonic-gate */ 24337c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 24347c478bd9Sstevel@tonic-gate 24357c478bd9Sstevel@tonic-gate /* 24367c478bd9Sstevel@tonic-gate * Allocate memory to store the decoded value. 24377c478bd9Sstevel@tonic-gate */ 24387c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int64_t)), 2439184cd04cScth ddi_prop_free_ints); 24407c478bd9Sstevel@tonic-gate 24417c478bd9Sstevel@tonic-gate /* 24427c478bd9Sstevel@tonic-gate * Decode each element and place it in the space allocated 24437c478bd9Sstevel@tonic-gate */ 24447c478bd9Sstevel@tonic-gate tmp = intp; 24457c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 24467c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, tmp); 24477c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 24487c478bd9Sstevel@tonic-gate /* 24497c478bd9Sstevel@tonic-gate * Free the space we just allocated 24507c478bd9Sstevel@tonic-gate * and return an error. 24517c478bd9Sstevel@tonic-gate */ 24527c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 24537c478bd9Sstevel@tonic-gate switch (i) { 24547c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24557c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24587c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24597c478bd9Sstevel@tonic-gate } 24607c478bd9Sstevel@tonic-gate } 24617c478bd9Sstevel@tonic-gate } 24627c478bd9Sstevel@tonic-gate 24637c478bd9Sstevel@tonic-gate *nelements = cnt; 24647c478bd9Sstevel@tonic-gate *(int64_t **)data = intp; 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 24677c478bd9Sstevel@tonic-gate } 24687c478bd9Sstevel@tonic-gate 24697c478bd9Sstevel@tonic-gate /* 24707c478bd9Sstevel@tonic-gate * Encode an array of integers property (Can be one element) 24717c478bd9Sstevel@tonic-gate */ 24727c478bd9Sstevel@tonic-gate int 24737c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_ints(prop_handle_t *ph, void *data, uint_t nelements) 24747c478bd9Sstevel@tonic-gate { 24757c478bd9Sstevel@tonic-gate int i; 24767c478bd9Sstevel@tonic-gate int *tmp; 24777c478bd9Sstevel@tonic-gate int cnt; 24787c478bd9Sstevel@tonic-gate int size; 24797c478bd9Sstevel@tonic-gate 24807c478bd9Sstevel@tonic-gate /* 24817c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 24827c478bd9Sstevel@tonic-gate */ 24837c478bd9Sstevel@tonic-gate if (nelements == 0) 24847c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24857c478bd9Sstevel@tonic-gate 24867c478bd9Sstevel@tonic-gate /* 24877c478bd9Sstevel@tonic-gate * Get the size of an encoded int. 24887c478bd9Sstevel@tonic-gate */ 24897c478bd9Sstevel@tonic-gate size = DDI_PROP_INT(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 24907c478bd9Sstevel@tonic-gate 24917c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 24927c478bd9Sstevel@tonic-gate switch (size) { 24937c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24947c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24957c478bd9Sstevel@tonic-gate 24967c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24977c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24987c478bd9Sstevel@tonic-gate } 24997c478bd9Sstevel@tonic-gate } 25007c478bd9Sstevel@tonic-gate 25017c478bd9Sstevel@tonic-gate /* 25027c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 25037c478bd9Sstevel@tonic-gate */ 25047c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 2505184cd04cScth DDI_PROP_SUCCESS) 25067c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 25077c478bd9Sstevel@tonic-gate 25087c478bd9Sstevel@tonic-gate /* 25097c478bd9Sstevel@tonic-gate * Encode the array of ints. 25107c478bd9Sstevel@tonic-gate */ 25117c478bd9Sstevel@tonic-gate tmp = (int *)data; 25127c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 25137c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_ENCODE, tmp); 25147c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 25157c478bd9Sstevel@tonic-gate switch (i) { 25167c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25177c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25207c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25217c478bd9Sstevel@tonic-gate } 25227c478bd9Sstevel@tonic-gate } 25237c478bd9Sstevel@tonic-gate } 25247c478bd9Sstevel@tonic-gate 25257c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 25267c478bd9Sstevel@tonic-gate } 25277c478bd9Sstevel@tonic-gate 25287c478bd9Sstevel@tonic-gate 25297c478bd9Sstevel@tonic-gate /* 25307c478bd9Sstevel@tonic-gate * Encode a 64 bit integer array property 25317c478bd9Sstevel@tonic-gate */ 25327c478bd9Sstevel@tonic-gate int 25337c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_int64(prop_handle_t *ph, void *data, uint_t nelements) 25347c478bd9Sstevel@tonic-gate { 25357c478bd9Sstevel@tonic-gate int i; 25367c478bd9Sstevel@tonic-gate int cnt; 25377c478bd9Sstevel@tonic-gate int size; 25387c478bd9Sstevel@tonic-gate int64_t *tmp; 25397c478bd9Sstevel@tonic-gate 25407c478bd9Sstevel@tonic-gate /* 25417c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 25427c478bd9Sstevel@tonic-gate */ 25437c478bd9Sstevel@tonic-gate if (nelements == 0) 25447c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25457c478bd9Sstevel@tonic-gate 25467c478bd9Sstevel@tonic-gate /* 25477c478bd9Sstevel@tonic-gate * Get the size of an encoded 64 bit int. 25487c478bd9Sstevel@tonic-gate */ 25497c478bd9Sstevel@tonic-gate size = DDI_PROP_INT64(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 25507c478bd9Sstevel@tonic-gate 25517c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 25527c478bd9Sstevel@tonic-gate switch (size) { 25537c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25547c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25557c478bd9Sstevel@tonic-gate 25567c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25577c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25587c478bd9Sstevel@tonic-gate } 25597c478bd9Sstevel@tonic-gate } 25607c478bd9Sstevel@tonic-gate 25617c478bd9Sstevel@tonic-gate /* 25627c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 25637c478bd9Sstevel@tonic-gate */ 25647c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 25657c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) 25667c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 25677c478bd9Sstevel@tonic-gate 25687c478bd9Sstevel@tonic-gate /* 25697c478bd9Sstevel@tonic-gate * Encode the array of ints. 25707c478bd9Sstevel@tonic-gate */ 25717c478bd9Sstevel@tonic-gate tmp = (int64_t *)data; 25727c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 25737c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_ENCODE, tmp); 25747c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 25757c478bd9Sstevel@tonic-gate switch (i) { 25767c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25777c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25787c478bd9Sstevel@tonic-gate 25797c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25807c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25817c478bd9Sstevel@tonic-gate } 25827c478bd9Sstevel@tonic-gate } 25837c478bd9Sstevel@tonic-gate } 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 25867c478bd9Sstevel@tonic-gate } 25877c478bd9Sstevel@tonic-gate 25887c478bd9Sstevel@tonic-gate /* 25897c478bd9Sstevel@tonic-gate * Decode a single string property 25907c478bd9Sstevel@tonic-gate */ 25917c478bd9Sstevel@tonic-gate static int 25927c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_string(prop_handle_t *ph, void *data, uint_t *nelements) 25937c478bd9Sstevel@tonic-gate { 25947c478bd9Sstevel@tonic-gate char *tmp; 25957c478bd9Sstevel@tonic-gate char *str; 25967c478bd9Sstevel@tonic-gate int i; 25977c478bd9Sstevel@tonic-gate int size; 25987c478bd9Sstevel@tonic-gate 25997c478bd9Sstevel@tonic-gate /* 26007c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 26017c478bd9Sstevel@tonic-gate */ 26027c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 26037c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26047c478bd9Sstevel@tonic-gate 26057c478bd9Sstevel@tonic-gate /* 26067c478bd9Sstevel@tonic-gate * Get the decoded size of the encoded string. 26077c478bd9Sstevel@tonic-gate */ 26087c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 26097c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 26107c478bd9Sstevel@tonic-gate switch (size) { 26117c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26127c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26137c478bd9Sstevel@tonic-gate 26147c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26157c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26167c478bd9Sstevel@tonic-gate } 26177c478bd9Sstevel@tonic-gate } 26187c478bd9Sstevel@tonic-gate 26197c478bd9Sstevel@tonic-gate /* 26207c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 26217c478bd9Sstevel@tonic-gate */ 26227c478bd9Sstevel@tonic-gate str = ddi_prop_decode_alloc((size_t)size, ddi_prop_free_string); 26237c478bd9Sstevel@tonic-gate 26247c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26257c478bd9Sstevel@tonic-gate 26267c478bd9Sstevel@tonic-gate /* 26277c478bd9Sstevel@tonic-gate * Decode the str and place it in the space we just allocated 26287c478bd9Sstevel@tonic-gate */ 26297c478bd9Sstevel@tonic-gate tmp = str; 26307c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, tmp); 26317c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 26327c478bd9Sstevel@tonic-gate /* 26337c478bd9Sstevel@tonic-gate * Free the space we just allocated 26347c478bd9Sstevel@tonic-gate * and return an error. 26357c478bd9Sstevel@tonic-gate */ 26367c478bd9Sstevel@tonic-gate ddi_prop_free(str); 26377c478bd9Sstevel@tonic-gate switch (i) { 26387c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26397c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26407c478bd9Sstevel@tonic-gate 26417c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26427c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26437c478bd9Sstevel@tonic-gate } 26447c478bd9Sstevel@tonic-gate } 26457c478bd9Sstevel@tonic-gate 26467c478bd9Sstevel@tonic-gate *(char **)data = str; 26477c478bd9Sstevel@tonic-gate *nelements = 1; 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 26507c478bd9Sstevel@tonic-gate } 26517c478bd9Sstevel@tonic-gate 26527c478bd9Sstevel@tonic-gate /* 26537c478bd9Sstevel@tonic-gate * Decode an array of strings. 26547c478bd9Sstevel@tonic-gate */ 26557c478bd9Sstevel@tonic-gate int 26567c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_strings(prop_handle_t *ph, void *data, uint_t *nelements) 26577c478bd9Sstevel@tonic-gate { 26587c478bd9Sstevel@tonic-gate int cnt = 0; 26597c478bd9Sstevel@tonic-gate char **strs; 26607c478bd9Sstevel@tonic-gate char **tmp; 26617c478bd9Sstevel@tonic-gate char *ptr; 26627c478bd9Sstevel@tonic-gate int i; 26637c478bd9Sstevel@tonic-gate int n; 26647c478bd9Sstevel@tonic-gate int size; 26657c478bd9Sstevel@tonic-gate size_t nbytes; 26667c478bd9Sstevel@tonic-gate 26677c478bd9Sstevel@tonic-gate /* 26687c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 26697c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 26707c478bd9Sstevel@tonic-gate */ 26717c478bd9Sstevel@tonic-gate for (;;) { 26727c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_SKIP, NULL); 26737c478bd9Sstevel@tonic-gate if (i < 0) 26747c478bd9Sstevel@tonic-gate break; 26757c478bd9Sstevel@tonic-gate cnt++; 26767c478bd9Sstevel@tonic-gate } 26777c478bd9Sstevel@tonic-gate 26787c478bd9Sstevel@tonic-gate /* 26797c478bd9Sstevel@tonic-gate * If there are no elements return an error 26807c478bd9Sstevel@tonic-gate */ 26817c478bd9Sstevel@tonic-gate if (cnt == 0) 26827c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26837c478bd9Sstevel@tonic-gate 26847c478bd9Sstevel@tonic-gate /* 26857c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 26867c478bd9Sstevel@tonic-gate */ 26877c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 26887c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate /* 26917c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 26927c478bd9Sstevel@tonic-gate */ 26937c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26947c478bd9Sstevel@tonic-gate 26957c478bd9Sstevel@tonic-gate /* 26967c478bd9Sstevel@tonic-gate * Figure out how much memory we need for the sum total 26977c478bd9Sstevel@tonic-gate */ 26987c478bd9Sstevel@tonic-gate nbytes = (cnt + 1) * sizeof (char *); 26997c478bd9Sstevel@tonic-gate 27007c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++) { 27017c478bd9Sstevel@tonic-gate /* 27027c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 27037c478bd9Sstevel@tonic-gate */ 27047c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 27057c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27067c478bd9Sstevel@tonic-gate switch (size) { 27077c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27087c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27097c478bd9Sstevel@tonic-gate 27107c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27117c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27127c478bd9Sstevel@tonic-gate } 27137c478bd9Sstevel@tonic-gate } 27147c478bd9Sstevel@tonic-gate 27157c478bd9Sstevel@tonic-gate nbytes += size; 27167c478bd9Sstevel@tonic-gate } 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate /* 27197c478bd9Sstevel@tonic-gate * Allocate memory in which to store the decoded strings. 27207c478bd9Sstevel@tonic-gate */ 27217c478bd9Sstevel@tonic-gate strs = ddi_prop_decode_alloc(nbytes, ddi_prop_free_strings); 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate /* 27247c478bd9Sstevel@tonic-gate * Set up pointers for each string by figuring out yet 27257c478bd9Sstevel@tonic-gate * again how long each string is. 27267c478bd9Sstevel@tonic-gate */ 27277c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27287c478bd9Sstevel@tonic-gate ptr = (caddr_t)strs + ((cnt + 1) * sizeof (char *)); 27297c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27307c478bd9Sstevel@tonic-gate /* 27317c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 27327c478bd9Sstevel@tonic-gate */ 27337c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 27347c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27357c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27367c478bd9Sstevel@tonic-gate switch (size) { 27377c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27387c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27397c478bd9Sstevel@tonic-gate 27407c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27417c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27427c478bd9Sstevel@tonic-gate } 27437c478bd9Sstevel@tonic-gate } 27447c478bd9Sstevel@tonic-gate 27457c478bd9Sstevel@tonic-gate *tmp = ptr; 27467c478bd9Sstevel@tonic-gate ptr += size; 27477c478bd9Sstevel@tonic-gate } 27487c478bd9Sstevel@tonic-gate 27497c478bd9Sstevel@tonic-gate /* 27507c478bd9Sstevel@tonic-gate * String array is terminated by a NULL 27517c478bd9Sstevel@tonic-gate */ 27527c478bd9Sstevel@tonic-gate *tmp = NULL; 27537c478bd9Sstevel@tonic-gate 27547c478bd9Sstevel@tonic-gate /* 27557c478bd9Sstevel@tonic-gate * Finally, we can decode each string 27567c478bd9Sstevel@tonic-gate */ 27577c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27587c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27597c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, *tmp); 27607c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 27617c478bd9Sstevel@tonic-gate /* 27627c478bd9Sstevel@tonic-gate * Free the space we just allocated 27637c478bd9Sstevel@tonic-gate * and return an error 27647c478bd9Sstevel@tonic-gate */ 27657c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27667c478bd9Sstevel@tonic-gate switch (i) { 27677c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27687c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27697c478bd9Sstevel@tonic-gate 27707c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27717c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27727c478bd9Sstevel@tonic-gate } 27737c478bd9Sstevel@tonic-gate } 27747c478bd9Sstevel@tonic-gate } 27757c478bd9Sstevel@tonic-gate 27767c478bd9Sstevel@tonic-gate *(char ***)data = strs; 27777c478bd9Sstevel@tonic-gate *nelements = cnt; 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 27807c478bd9Sstevel@tonic-gate } 27817c478bd9Sstevel@tonic-gate 27827c478bd9Sstevel@tonic-gate /* 27837c478bd9Sstevel@tonic-gate * Encode a string. 27847c478bd9Sstevel@tonic-gate */ 27857c478bd9Sstevel@tonic-gate int 27867c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string(prop_handle_t *ph, void *data, uint_t nelements) 27877c478bd9Sstevel@tonic-gate { 27887c478bd9Sstevel@tonic-gate char **tmp; 27897c478bd9Sstevel@tonic-gate int size; 27907c478bd9Sstevel@tonic-gate int i; 27917c478bd9Sstevel@tonic-gate 27927c478bd9Sstevel@tonic-gate /* 27937c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 27947c478bd9Sstevel@tonic-gate */ 27957c478bd9Sstevel@tonic-gate if (nelements == 0) 27967c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 27977c478bd9Sstevel@tonic-gate 27987c478bd9Sstevel@tonic-gate /* 27997c478bd9Sstevel@tonic-gate * Get the size of the encoded string. 28007c478bd9Sstevel@tonic-gate */ 28017c478bd9Sstevel@tonic-gate tmp = (char **)data; 28027c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 28037c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 28047c478bd9Sstevel@tonic-gate switch (size) { 28057c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28067c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28077c478bd9Sstevel@tonic-gate 28087c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28097c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28107c478bd9Sstevel@tonic-gate } 28117c478bd9Sstevel@tonic-gate } 28127c478bd9Sstevel@tonic-gate 28137c478bd9Sstevel@tonic-gate /* 28147c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded string. 28157c478bd9Sstevel@tonic-gate */ 28167c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size) != DDI_PROP_SUCCESS) 28177c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 28187c478bd9Sstevel@tonic-gate 28197c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 28207c478bd9Sstevel@tonic-gate 28217c478bd9Sstevel@tonic-gate /* 28227c478bd9Sstevel@tonic-gate * Encode the string. 28237c478bd9Sstevel@tonic-gate */ 28247c478bd9Sstevel@tonic-gate tmp = (char **)data; 28257c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 28267c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 28277c478bd9Sstevel@tonic-gate switch (i) { 28287c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28297c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28307c478bd9Sstevel@tonic-gate 28317c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28327c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28337c478bd9Sstevel@tonic-gate } 28347c478bd9Sstevel@tonic-gate } 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 28377c478bd9Sstevel@tonic-gate } 28387c478bd9Sstevel@tonic-gate 28397c478bd9Sstevel@tonic-gate 28407c478bd9Sstevel@tonic-gate /* 28417c478bd9Sstevel@tonic-gate * Encode an array of strings. 28427c478bd9Sstevel@tonic-gate */ 28437c478bd9Sstevel@tonic-gate int 28447c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings(prop_handle_t *ph, void *data, uint_t nelements) 28457c478bd9Sstevel@tonic-gate { 28467c478bd9Sstevel@tonic-gate int cnt = 0; 28477c478bd9Sstevel@tonic-gate char **tmp; 28487c478bd9Sstevel@tonic-gate int size; 28497c478bd9Sstevel@tonic-gate uint_t total_size; 28507c478bd9Sstevel@tonic-gate int i; 28517c478bd9Sstevel@tonic-gate 28527c478bd9Sstevel@tonic-gate /* 28537c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 28547c478bd9Sstevel@tonic-gate */ 28557c478bd9Sstevel@tonic-gate if (nelements == 0) 28567c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28577c478bd9Sstevel@tonic-gate 28587c478bd9Sstevel@tonic-gate /* 28597c478bd9Sstevel@tonic-gate * Get the total size required to encode all the strings. 28607c478bd9Sstevel@tonic-gate */ 28617c478bd9Sstevel@tonic-gate total_size = 0; 28627c478bd9Sstevel@tonic-gate tmp = (char **)data; 28637c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28647c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 28657c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 28667c478bd9Sstevel@tonic-gate switch (size) { 28677c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28687c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28697c478bd9Sstevel@tonic-gate 28707c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28717c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28727c478bd9Sstevel@tonic-gate } 28737c478bd9Sstevel@tonic-gate } 28747c478bd9Sstevel@tonic-gate total_size += (uint_t)size; 28757c478bd9Sstevel@tonic-gate } 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate /* 28787c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded strings. 28797c478bd9Sstevel@tonic-gate */ 28807c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, total_size) != DDI_PROP_SUCCESS) 28817c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 28847c478bd9Sstevel@tonic-gate 28857c478bd9Sstevel@tonic-gate /* 28867c478bd9Sstevel@tonic-gate * Encode the array of strings. 28877c478bd9Sstevel@tonic-gate */ 28887c478bd9Sstevel@tonic-gate tmp = (char **)data; 28897c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28907c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 28917c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 28927c478bd9Sstevel@tonic-gate switch (i) { 28937c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28947c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28957c478bd9Sstevel@tonic-gate 28967c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28977c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28987c478bd9Sstevel@tonic-gate } 28997c478bd9Sstevel@tonic-gate } 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29037c478bd9Sstevel@tonic-gate } 29047c478bd9Sstevel@tonic-gate 29057c478bd9Sstevel@tonic-gate 29067c478bd9Sstevel@tonic-gate /* 29077c478bd9Sstevel@tonic-gate * Decode an array of bytes. 29087c478bd9Sstevel@tonic-gate */ 29097c478bd9Sstevel@tonic-gate static int 29107c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_bytes(prop_handle_t *ph, void *data, uint_t *nelements) 29117c478bd9Sstevel@tonic-gate { 29127c478bd9Sstevel@tonic-gate uchar_t *tmp; 29137c478bd9Sstevel@tonic-gate int nbytes; 29147c478bd9Sstevel@tonic-gate int i; 29157c478bd9Sstevel@tonic-gate 29167c478bd9Sstevel@tonic-gate /* 29177c478bd9Sstevel@tonic-gate * If there are no elements return an error 29187c478bd9Sstevel@tonic-gate */ 29197c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 29207c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate /* 29237c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 29247c478bd9Sstevel@tonic-gate */ 29257c478bd9Sstevel@tonic-gate nbytes = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_DSIZE, 2926184cd04cScth data, ph->ph_size); 29277c478bd9Sstevel@tonic-gate if (nbytes < DDI_PROP_RESULT_OK) { 29287c478bd9Sstevel@tonic-gate switch (nbytes) { 29297c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29307c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29317c478bd9Sstevel@tonic-gate 29327c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29337c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29347c478bd9Sstevel@tonic-gate } 29357c478bd9Sstevel@tonic-gate } 29367c478bd9Sstevel@tonic-gate 29377c478bd9Sstevel@tonic-gate /* 29387c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 29397c478bd9Sstevel@tonic-gate */ 29407c478bd9Sstevel@tonic-gate tmp = ddi_prop_decode_alloc(nbytes, ddi_prop_free_bytes); 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate /* 29437c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 29447c478bd9Sstevel@tonic-gate */ 29457c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_DECODE, tmp, nbytes); 29467c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 29477c478bd9Sstevel@tonic-gate /* 29487c478bd9Sstevel@tonic-gate * Free the space we just allocated 29497c478bd9Sstevel@tonic-gate * and return an error 29507c478bd9Sstevel@tonic-gate */ 29517c478bd9Sstevel@tonic-gate ddi_prop_free(tmp); 29527c478bd9Sstevel@tonic-gate switch (i) { 29537c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29547c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29557c478bd9Sstevel@tonic-gate 29567c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29577c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29587c478bd9Sstevel@tonic-gate } 29597c478bd9Sstevel@tonic-gate } 29607c478bd9Sstevel@tonic-gate 29617c478bd9Sstevel@tonic-gate *(uchar_t **)data = tmp; 29627c478bd9Sstevel@tonic-gate *nelements = nbytes; 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29657c478bd9Sstevel@tonic-gate } 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate /* 29687c478bd9Sstevel@tonic-gate * Encode an array of bytes. 29697c478bd9Sstevel@tonic-gate */ 29707c478bd9Sstevel@tonic-gate int 29717c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_bytes(prop_handle_t *ph, void *data, uint_t nelements) 29727c478bd9Sstevel@tonic-gate { 29737c478bd9Sstevel@tonic-gate int size; 29747c478bd9Sstevel@tonic-gate int i; 29757c478bd9Sstevel@tonic-gate 29767c478bd9Sstevel@tonic-gate /* 29777c478bd9Sstevel@tonic-gate * If there are no elements, then this is a boolean property, 29787c478bd9Sstevel@tonic-gate * so just create a property handle with no data and return. 29797c478bd9Sstevel@tonic-gate */ 29807c478bd9Sstevel@tonic-gate if (nelements == 0) { 29817c478bd9Sstevel@tonic-gate (void) ddi_prop_encode_alloc(ph, 0); 29827c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29837c478bd9Sstevel@tonic-gate } 29847c478bd9Sstevel@tonic-gate 29857c478bd9Sstevel@tonic-gate /* 29867c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 29877c478bd9Sstevel@tonic-gate */ 29887c478bd9Sstevel@tonic-gate size = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_ESIZE, (uchar_t *)data, 2989184cd04cScth nelements); 29907c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 29917c478bd9Sstevel@tonic-gate switch (size) { 29927c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29937c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29947c478bd9Sstevel@tonic-gate 29957c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29967c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29977c478bd9Sstevel@tonic-gate } 29987c478bd9Sstevel@tonic-gate } 29997c478bd9Sstevel@tonic-gate 30007c478bd9Sstevel@tonic-gate /* 30017c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded bytes. 30027c478bd9Sstevel@tonic-gate */ 30037c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, (uint_t)size) != DDI_PROP_SUCCESS) 30047c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 30057c478bd9Sstevel@tonic-gate 30067c478bd9Sstevel@tonic-gate /* 30077c478bd9Sstevel@tonic-gate * Encode the array of bytes. 30087c478bd9Sstevel@tonic-gate */ 30097c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_ENCODE, (uchar_t *)data, 3010184cd04cScth nelements); 30117c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 30127c478bd9Sstevel@tonic-gate switch (i) { 30137c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 30147c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 30157c478bd9Sstevel@tonic-gate 30167c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 30177c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 30187c478bd9Sstevel@tonic-gate } 30197c478bd9Sstevel@tonic-gate } 30207c478bd9Sstevel@tonic-gate 30217c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 30227c478bd9Sstevel@tonic-gate } 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate /* 30257c478bd9Sstevel@tonic-gate * OBP 1275 integer, string and byte operators. 30267c478bd9Sstevel@tonic-gate * 30277c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_DECODE: 30287c478bd9Sstevel@tonic-gate * 30297c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot decode the data 30307c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30317c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was decoded 30327c478bd9Sstevel@tonic-gate * 30337c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_ENCODE: 30347c478bd9Sstevel@tonic-gate * 30357c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot encode the data 30367c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30377c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was encoded 30387c478bd9Sstevel@tonic-gate * 30397c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_SKIP: 30407c478bd9Sstevel@tonic-gate * 30417c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot skip the data 30427c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30437c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was skipped 30447c478bd9Sstevel@tonic-gate * 30457c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_ESIZE: 30467c478bd9Sstevel@tonic-gate * 30477c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get encoded size 30487c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30497c478bd9Sstevel@tonic-gate * > 0: the encoded size 30507c478bd9Sstevel@tonic-gate * 30517c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_DSIZE: 30527c478bd9Sstevel@tonic-gate * 30537c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get decoded size 30547c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30557c478bd9Sstevel@tonic-gate * > 0: the decoded size 30567c478bd9Sstevel@tonic-gate */ 30577c478bd9Sstevel@tonic-gate 30587c478bd9Sstevel@tonic-gate /* 30597c478bd9Sstevel@tonic-gate * OBP 1275 integer operator 30607c478bd9Sstevel@tonic-gate * 30617c478bd9Sstevel@tonic-gate * OBP properties are a byte stream of data, so integers may not be 30627c478bd9Sstevel@tonic-gate * properly aligned. Therefore we need to copy them one byte at a time. 30637c478bd9Sstevel@tonic-gate */ 30647c478bd9Sstevel@tonic-gate int 30657c478bd9Sstevel@tonic-gate ddi_prop_1275_int(prop_handle_t *ph, uint_t cmd, int *data) 30667c478bd9Sstevel@tonic-gate { 30677c478bd9Sstevel@tonic-gate int i; 30687c478bd9Sstevel@tonic-gate 30697c478bd9Sstevel@tonic-gate switch (cmd) { 30707c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 30717c478bd9Sstevel@tonic-gate /* 30727c478bd9Sstevel@tonic-gate * Check that there is encoded data 30737c478bd9Sstevel@tonic-gate */ 30747c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 30757c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30767c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30777c478bd9Sstevel@tonic-gate i = MIN(ph->ph_size, PROP_1275_INT_SIZE); 30787c478bd9Sstevel@tonic-gate if ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3079184cd04cScth ph->ph_size - i)) 30807c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30817c478bd9Sstevel@tonic-gate } else { 30827c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int) || 3083184cd04cScth ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3084184cd04cScth ph->ph_size - sizeof (int)))) 3085184cd04cScth return (DDI_PROP_RESULT_ERROR); 30867c478bd9Sstevel@tonic-gate } 30877c478bd9Sstevel@tonic-gate 30887c478bd9Sstevel@tonic-gate /* 30897c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 30907c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 30917c478bd9Sstevel@tonic-gate */ 30927c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30937c478bd9Sstevel@tonic-gate *data = impl_ddi_prop_int_from_prom( 3094184cd04cScth (uchar_t *)ph->ph_cur_pos, 3095184cd04cScth (ph->ph_size < PROP_1275_INT_SIZE) ? 3096184cd04cScth ph->ph_size : PROP_1275_INT_SIZE); 30977c478bd9Sstevel@tonic-gate } else { 30987c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int)); 30997c478bd9Sstevel@tonic-gate } 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate /* 31027c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 31037c478bd9Sstevel@tonic-gate * bit of undecoded data. 31047c478bd9Sstevel@tonic-gate */ 31057c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 3106184cd04cScth PROP_1275_INT_SIZE; 31077c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31087c478bd9Sstevel@tonic-gate 31097c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 31107c478bd9Sstevel@tonic-gate /* 31117c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 31127c478bd9Sstevel@tonic-gate */ 31137c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3114184cd04cScth ph->ph_size < PROP_1275_INT_SIZE || 3115184cd04cScth ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3116184cd04cScth ph->ph_size - sizeof (int)))) 31177c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31187c478bd9Sstevel@tonic-gate 31197c478bd9Sstevel@tonic-gate /* 31207c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 31217c478bd9Sstevel@tonic-gate * time. 31227c478bd9Sstevel@tonic-gate */ 31237c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int)); 31247c478bd9Sstevel@tonic-gate 31257c478bd9Sstevel@tonic-gate /* 31267c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 31277c478bd9Sstevel@tonic-gate * space where we can store encoded data. 31287c478bd9Sstevel@tonic-gate */ 31297c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31307c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31317c478bd9Sstevel@tonic-gate 31327c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 31337c478bd9Sstevel@tonic-gate /* 31347c478bd9Sstevel@tonic-gate * Check that there is encoded data 31357c478bd9Sstevel@tonic-gate */ 31367c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3137184cd04cScth ph->ph_size < PROP_1275_INT_SIZE) 31387c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31397c478bd9Sstevel@tonic-gate 31407c478bd9Sstevel@tonic-gate 31417c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 3142184cd04cScth (caddr_t)ph->ph_data + ph->ph_size) { 31437c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 31447c478bd9Sstevel@tonic-gate } else if ((caddr_t)ph->ph_cur_pos > 3145184cd04cScth (caddr_t)ph->ph_data + ph->ph_size) { 31467c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 31477c478bd9Sstevel@tonic-gate } 31487c478bd9Sstevel@tonic-gate 31497c478bd9Sstevel@tonic-gate /* 31507c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 31517c478bd9Sstevel@tonic-gate * undecoded data. 31527c478bd9Sstevel@tonic-gate */ 31537c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31547c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31557c478bd9Sstevel@tonic-gate 31567c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 31577c478bd9Sstevel@tonic-gate /* 31587c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 31597c478bd9Sstevel@tonic-gate */ 31607c478bd9Sstevel@tonic-gate return (PROP_1275_INT_SIZE); 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 31637c478bd9Sstevel@tonic-gate /* 31647c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 31657c478bd9Sstevel@tonic-gate */ 31667c478bd9Sstevel@tonic-gate return (sizeof (int)); 31677c478bd9Sstevel@tonic-gate 31687c478bd9Sstevel@tonic-gate default: 31697c478bd9Sstevel@tonic-gate #ifdef DEBUG 31707c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_int: %x impossible", cmd); 31717c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 31727c478bd9Sstevel@tonic-gate #else 31737c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31747c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 31757c478bd9Sstevel@tonic-gate } 31767c478bd9Sstevel@tonic-gate } 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate /* 31797c478bd9Sstevel@tonic-gate * 64 bit integer operator. 31807c478bd9Sstevel@tonic-gate * 31817c478bd9Sstevel@tonic-gate * This is an extension, defined by Sun, to the 1275 integer 31827c478bd9Sstevel@tonic-gate * operator. This routine handles the encoding/decoding of 31837c478bd9Sstevel@tonic-gate * 64 bit integer properties. 31847c478bd9Sstevel@tonic-gate */ 31857c478bd9Sstevel@tonic-gate int 31867c478bd9Sstevel@tonic-gate ddi_prop_int64_op(prop_handle_t *ph, uint_t cmd, int64_t *data) 31877c478bd9Sstevel@tonic-gate { 31887c478bd9Sstevel@tonic-gate 31897c478bd9Sstevel@tonic-gate switch (cmd) { 31907c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 31917c478bd9Sstevel@tonic-gate /* 31927c478bd9Sstevel@tonic-gate * Check that there is encoded data 31937c478bd9Sstevel@tonic-gate */ 31947c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 31957c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31967c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 31977c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31987c478bd9Sstevel@tonic-gate } else { 31997c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int64_t) || 32007c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > 32017c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_data + 32027c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 32037c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32047c478bd9Sstevel@tonic-gate } 32057c478bd9Sstevel@tonic-gate /* 32067c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 32077c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 32087c478bd9Sstevel@tonic-gate */ 32097c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 32107c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32117c478bd9Sstevel@tonic-gate } else { 32127c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int64_t)); 32137c478bd9Sstevel@tonic-gate } 32147c478bd9Sstevel@tonic-gate 32157c478bd9Sstevel@tonic-gate /* 32167c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 32177c478bd9Sstevel@tonic-gate * bit of undecoded data. 32187c478bd9Sstevel@tonic-gate */ 32197c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32207c478bd9Sstevel@tonic-gate sizeof (int64_t); 32217c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32227c478bd9Sstevel@tonic-gate 32237c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 32247c478bd9Sstevel@tonic-gate /* 32257c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 32267c478bd9Sstevel@tonic-gate */ 32277c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 32287c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t) || 32297c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > ((int64_t *)ph->ph_data + 32307c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 32317c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32327c478bd9Sstevel@tonic-gate 32337c478bd9Sstevel@tonic-gate /* 32347c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 32357c478bd9Sstevel@tonic-gate * time. 32367c478bd9Sstevel@tonic-gate */ 32377c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int64_t)); 32387c478bd9Sstevel@tonic-gate 32397c478bd9Sstevel@tonic-gate /* 32407c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 32417c478bd9Sstevel@tonic-gate * space where we can store encoded data. 32427c478bd9Sstevel@tonic-gate */ 32437c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32447c478bd9Sstevel@tonic-gate sizeof (int64_t); 32457c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32467c478bd9Sstevel@tonic-gate 32477c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 32487c478bd9Sstevel@tonic-gate /* 32497c478bd9Sstevel@tonic-gate * Check that there is encoded data 32507c478bd9Sstevel@tonic-gate */ 32517c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 32527c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t)) 32537c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32547c478bd9Sstevel@tonic-gate 32557c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 32567c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 32577c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 32587c478bd9Sstevel@tonic-gate } else if ((caddr_t)ph->ph_cur_pos > 32597c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 32607c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 32617c478bd9Sstevel@tonic-gate } 32627c478bd9Sstevel@tonic-gate 32637c478bd9Sstevel@tonic-gate /* 32647c478bd9Sstevel@tonic-gate * Move the current location to the start of 32657c478bd9Sstevel@tonic-gate * the next bit of undecoded data. 32667c478bd9Sstevel@tonic-gate */ 32677c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32687c478bd9Sstevel@tonic-gate sizeof (int64_t); 32697c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32707c478bd9Sstevel@tonic-gate 32717c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 32727c478bd9Sstevel@tonic-gate /* 32737c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 32747c478bd9Sstevel@tonic-gate */ 32757c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32767c478bd9Sstevel@tonic-gate 32777c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 32787c478bd9Sstevel@tonic-gate /* 32797c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 32807c478bd9Sstevel@tonic-gate */ 32817c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32827c478bd9Sstevel@tonic-gate 32837c478bd9Sstevel@tonic-gate default: 32847c478bd9Sstevel@tonic-gate #ifdef DEBUG 32857c478bd9Sstevel@tonic-gate panic("ddi_prop_int64_op: %x impossible", cmd); 32867c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 32877c478bd9Sstevel@tonic-gate #else 32887c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32897c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 32907c478bd9Sstevel@tonic-gate } 32917c478bd9Sstevel@tonic-gate } 32927c478bd9Sstevel@tonic-gate 32937c478bd9Sstevel@tonic-gate /* 32947c478bd9Sstevel@tonic-gate * OBP 1275 string operator. 32957c478bd9Sstevel@tonic-gate * 32967c478bd9Sstevel@tonic-gate * OBP strings are NULL terminated. 32977c478bd9Sstevel@tonic-gate */ 32987c478bd9Sstevel@tonic-gate int 32997c478bd9Sstevel@tonic-gate ddi_prop_1275_string(prop_handle_t *ph, uint_t cmd, char *data) 33007c478bd9Sstevel@tonic-gate { 33017c478bd9Sstevel@tonic-gate int n; 33027c478bd9Sstevel@tonic-gate char *p; 33037c478bd9Sstevel@tonic-gate char *end; 33047c478bd9Sstevel@tonic-gate 33057c478bd9Sstevel@tonic-gate switch (cmd) { 33067c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 33077c478bd9Sstevel@tonic-gate /* 33087c478bd9Sstevel@tonic-gate * Check that there is encoded data 33097c478bd9Sstevel@tonic-gate */ 33107c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33117c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33127c478bd9Sstevel@tonic-gate } 33137c478bd9Sstevel@tonic-gate 33147c478bd9Sstevel@tonic-gate /* 33159e1bcca2Scth * Match DDI_PROP_CMD_GET_DSIZE logic for when to stop and 33169e1bcca2Scth * how to NULL terminate result. 33177c478bd9Sstevel@tonic-gate */ 33189e1bcca2Scth p = (char *)ph->ph_cur_pos; 33199e1bcca2Scth end = (char *)ph->ph_data + ph->ph_size; 33209e1bcca2Scth if (p >= end) 33219e1bcca2Scth return (DDI_PROP_RESULT_EOF); 33229e1bcca2Scth 33239e1bcca2Scth while (p < end) { 33249e1bcca2Scth *data++ = *p; 33259e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 33269e1bcca2Scth ph->ph_cur_pos = p; 33279e1bcca2Scth return (DDI_PROP_RESULT_OK); 33289e1bcca2Scth } 33299e1bcca2Scth } 33307c478bd9Sstevel@tonic-gate 33317c478bd9Sstevel@tonic-gate /* 33329e1bcca2Scth * If OBP did not NULL terminate string, which happens 33339e1bcca2Scth * (at least) for 'true'/'false' boolean values, account for 33349e1bcca2Scth * the space and store null termination on decode. 33357c478bd9Sstevel@tonic-gate */ 33369e1bcca2Scth ph->ph_cur_pos = p; 33379e1bcca2Scth *data = 0; 33387c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33397c478bd9Sstevel@tonic-gate 33407c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 33417c478bd9Sstevel@tonic-gate /* 33427c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 33437c478bd9Sstevel@tonic-gate */ 33447c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33457c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33467c478bd9Sstevel@tonic-gate } 33477c478bd9Sstevel@tonic-gate 33487c478bd9Sstevel@tonic-gate n = strlen(data) + 1; 33497c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3350184cd04cScth ph->ph_size - n)) { 33517c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33527c478bd9Sstevel@tonic-gate } 33537c478bd9Sstevel@tonic-gate 33547c478bd9Sstevel@tonic-gate /* 33557c478bd9Sstevel@tonic-gate * Copy the NULL terminated string 33567c478bd9Sstevel@tonic-gate */ 33577c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, n); 33587c478bd9Sstevel@tonic-gate 33597c478bd9Sstevel@tonic-gate /* 33607c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 33617c478bd9Sstevel@tonic-gate * space where we can store encoded data. 33627c478bd9Sstevel@tonic-gate */ 33637c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + n; 33647c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33657c478bd9Sstevel@tonic-gate 33667c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 33677c478bd9Sstevel@tonic-gate /* 33687c478bd9Sstevel@tonic-gate * Check that there is encoded data 33697c478bd9Sstevel@tonic-gate */ 33707c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33717c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33727c478bd9Sstevel@tonic-gate } 33737c478bd9Sstevel@tonic-gate 33747c478bd9Sstevel@tonic-gate /* 33757c478bd9Sstevel@tonic-gate * Return the string length plus one for the NULL 33767c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 33777c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 33787c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 33797c478bd9Sstevel@tonic-gate */ 33807c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 33817c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 33829e1bcca2Scth if (p >= end) 33837c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 33847c478bd9Sstevel@tonic-gate 33859e1bcca2Scth while (p < end) { 33869e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 33877c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 33887c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33897c478bd9Sstevel@tonic-gate } 33907c478bd9Sstevel@tonic-gate } 33917c478bd9Sstevel@tonic-gate 33929e1bcca2Scth /* 33939e1bcca2Scth * Accommodate the fact that OBP does not always NULL 33949e1bcca2Scth * terminate strings. 33959e1bcca2Scth */ 33969e1bcca2Scth ph->ph_cur_pos = p; 33979e1bcca2Scth return (DDI_PROP_RESULT_OK); 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 34007c478bd9Sstevel@tonic-gate /* 34017c478bd9Sstevel@tonic-gate * Return the size of the encoded string on OBP. 34027c478bd9Sstevel@tonic-gate */ 34037c478bd9Sstevel@tonic-gate return (strlen(data) + 1); 34047c478bd9Sstevel@tonic-gate 34057c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 34067c478bd9Sstevel@tonic-gate /* 34079e1bcca2Scth * Return the string length plus one for the NULL. 34087c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 34097c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 34107c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 34117c478bd9Sstevel@tonic-gate */ 34127c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 34137c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 34149e1bcca2Scth if (p >= end) 34159e1bcca2Scth return (DDI_PROP_RESULT_EOF); 34169e1bcca2Scth 34177c478bd9Sstevel@tonic-gate for (n = 0; p < end; n++) { 34189e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 34197c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 34209e1bcca2Scth return (n + 1); 34217c478bd9Sstevel@tonic-gate } 34227c478bd9Sstevel@tonic-gate } 34239e1bcca2Scth 34249e1bcca2Scth /* 34259e1bcca2Scth * If OBP did not NULL terminate string, which happens for 34269e1bcca2Scth * 'true'/'false' boolean values, account for the space 34279e1bcca2Scth * to store null termination here. 34289e1bcca2Scth */ 34299e1bcca2Scth ph->ph_cur_pos = p; 34309e1bcca2Scth return (n + 1); 34317c478bd9Sstevel@tonic-gate 34327c478bd9Sstevel@tonic-gate default: 34337c478bd9Sstevel@tonic-gate #ifdef DEBUG 34347c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_string: %x impossible", cmd); 34357c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 34367c478bd9Sstevel@tonic-gate #else 34377c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34387c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 34397c478bd9Sstevel@tonic-gate } 34407c478bd9Sstevel@tonic-gate } 34417c478bd9Sstevel@tonic-gate 34427c478bd9Sstevel@tonic-gate /* 34437c478bd9Sstevel@tonic-gate * OBP 1275 byte operator 34447c478bd9Sstevel@tonic-gate * 34457c478bd9Sstevel@tonic-gate * Caller must specify the number of bytes to get. OBP encodes bytes 34467c478bd9Sstevel@tonic-gate * as a byte so there is a 1-to-1 translation. 34477c478bd9Sstevel@tonic-gate */ 34487c478bd9Sstevel@tonic-gate int 34497c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes(prop_handle_t *ph, uint_t cmd, uchar_t *data, 34507c478bd9Sstevel@tonic-gate uint_t nelements) 34517c478bd9Sstevel@tonic-gate { 34527c478bd9Sstevel@tonic-gate switch (cmd) { 34537c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 34547c478bd9Sstevel@tonic-gate /* 34557c478bd9Sstevel@tonic-gate * Check that there is encoded data 34567c478bd9Sstevel@tonic-gate */ 34577c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3458184cd04cScth ph->ph_size < nelements || 3459184cd04cScth ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3460184cd04cScth ph->ph_size - nelements))) 34617c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34627c478bd9Sstevel@tonic-gate 34637c478bd9Sstevel@tonic-gate /* 34647c478bd9Sstevel@tonic-gate * Copy out the bytes 34657c478bd9Sstevel@tonic-gate */ 34667c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, nelements); 34677c478bd9Sstevel@tonic-gate 34687c478bd9Sstevel@tonic-gate /* 34697c478bd9Sstevel@tonic-gate * Move the current location 34707c478bd9Sstevel@tonic-gate */ 34717c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34727c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34737c478bd9Sstevel@tonic-gate 34747c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 34757c478bd9Sstevel@tonic-gate /* 34767c478bd9Sstevel@tonic-gate * Check that there is room to encode the data 34777c478bd9Sstevel@tonic-gate */ 34787c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3479184cd04cScth ph->ph_size < nelements || 3480184cd04cScth ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3481184cd04cScth ph->ph_size - nelements))) 34827c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34837c478bd9Sstevel@tonic-gate 34847c478bd9Sstevel@tonic-gate /* 34857c478bd9Sstevel@tonic-gate * Copy in the bytes 34867c478bd9Sstevel@tonic-gate */ 34877c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, nelements); 34887c478bd9Sstevel@tonic-gate 34897c478bd9Sstevel@tonic-gate /* 34907c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 34917c478bd9Sstevel@tonic-gate * space where we can store encoded data. 34927c478bd9Sstevel@tonic-gate */ 34937c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34947c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 34977c478bd9Sstevel@tonic-gate /* 34987c478bd9Sstevel@tonic-gate * Check that there is encoded data 34997c478bd9Sstevel@tonic-gate */ 35007c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3501184cd04cScth ph->ph_size < nelements) 35027c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 35037c478bd9Sstevel@tonic-gate 35047c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3505184cd04cScth ph->ph_size - nelements)) 35067c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 35077c478bd9Sstevel@tonic-gate 35087c478bd9Sstevel@tonic-gate /* 35097c478bd9Sstevel@tonic-gate * Move the current location 35107c478bd9Sstevel@tonic-gate */ 35117c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 35127c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 35157c478bd9Sstevel@tonic-gate /* 35167c478bd9Sstevel@tonic-gate * The size in bytes of the encoded size is the 35177c478bd9Sstevel@tonic-gate * same as the decoded size provided by the caller. 35187c478bd9Sstevel@tonic-gate */ 35197c478bd9Sstevel@tonic-gate return (nelements); 35207c478bd9Sstevel@tonic-gate 35217c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 35227c478bd9Sstevel@tonic-gate /* 35237c478bd9Sstevel@tonic-gate * Just return the number of bytes specified by the caller. 35247c478bd9Sstevel@tonic-gate */ 35257c478bd9Sstevel@tonic-gate return (nelements); 35267c478bd9Sstevel@tonic-gate 35277c478bd9Sstevel@tonic-gate default: 35287c478bd9Sstevel@tonic-gate #ifdef DEBUG 35297c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_bytes: %x impossible", cmd); 35307c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 35317c478bd9Sstevel@tonic-gate #else 35327c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 35337c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 35347c478bd9Sstevel@tonic-gate } 35357c478bd9Sstevel@tonic-gate } 35367c478bd9Sstevel@tonic-gate 35377c478bd9Sstevel@tonic-gate /* 35387c478bd9Sstevel@tonic-gate * Used for properties that come from the OBP, hardware configuration files, 35397c478bd9Sstevel@tonic-gate * or that are created by calls to ddi_prop_update(9F). 35407c478bd9Sstevel@tonic-gate */ 35417c478bd9Sstevel@tonic-gate static struct prop_handle_ops prop_1275_ops = { 35427c478bd9Sstevel@tonic-gate ddi_prop_1275_int, 35437c478bd9Sstevel@tonic-gate ddi_prop_1275_string, 35447c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes, 35457c478bd9Sstevel@tonic-gate ddi_prop_int64_op 35467c478bd9Sstevel@tonic-gate }; 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate /* 35507c478bd9Sstevel@tonic-gate * Interface to create/modify a managed property on child's behalf... 35517c478bd9Sstevel@tonic-gate * Flags interpreted are: 35527c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Allow memory allocation to sleep. 35537c478bd9Sstevel@tonic-gate * DDI_PROP_SYSTEM_DEF: Manipulate system list rather than driver list. 35547c478bd9Sstevel@tonic-gate * 35557c478bd9Sstevel@tonic-gate * Use same dev_t when modifying or undefining a property. 35567c478bd9Sstevel@tonic-gate * Search for properties with DDI_DEV_T_ANY to match first named 35577c478bd9Sstevel@tonic-gate * property on the list. 35587c478bd9Sstevel@tonic-gate * 35597c478bd9Sstevel@tonic-gate * Properties are stored LIFO and subsequently will match the first 35607c478bd9Sstevel@tonic-gate * `matching' instance. 35617c478bd9Sstevel@tonic-gate */ 35627c478bd9Sstevel@tonic-gate 35637c478bd9Sstevel@tonic-gate /* 35647c478bd9Sstevel@tonic-gate * ddi_prop_add: Add a software defined property 35657c478bd9Sstevel@tonic-gate */ 35667c478bd9Sstevel@tonic-gate 35677c478bd9Sstevel@tonic-gate /* 35687c478bd9Sstevel@tonic-gate * define to get a new ddi_prop_t. 35697c478bd9Sstevel@tonic-gate * km_flags are KM_SLEEP or KM_NOSLEEP. 35707c478bd9Sstevel@tonic-gate */ 35717c478bd9Sstevel@tonic-gate 35727c478bd9Sstevel@tonic-gate #define DDI_NEW_PROP_T(km_flags) \ 35737c478bd9Sstevel@tonic-gate (kmem_zalloc(sizeof (ddi_prop_t), km_flags)) 35747c478bd9Sstevel@tonic-gate 35757c478bd9Sstevel@tonic-gate static int 35767c478bd9Sstevel@tonic-gate ddi_prop_add(dev_t dev, dev_info_t *dip, int flags, 35777c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 35787c478bd9Sstevel@tonic-gate { 35797c478bd9Sstevel@tonic-gate ddi_prop_t *new_propp, *propp; 35807c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 35817c478bd9Sstevel@tonic-gate int km_flags = KM_NOSLEEP; 35827c478bd9Sstevel@tonic-gate int name_buf_len; 35837c478bd9Sstevel@tonic-gate 35847c478bd9Sstevel@tonic-gate /* 35857c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero return error. 35867c478bd9Sstevel@tonic-gate */ 35877c478bd9Sstevel@tonic-gate 35887c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == (char *)0 || strlen(name) == 0) 35897c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 35907c478bd9Sstevel@tonic-gate 35917c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_CANSLEEP) 35927c478bd9Sstevel@tonic-gate km_flags = KM_SLEEP; 35937c478bd9Sstevel@tonic-gate 35947c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 35957c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 35967c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 35977c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 35987c478bd9Sstevel@tonic-gate 35997c478bd9Sstevel@tonic-gate if ((new_propp = DDI_NEW_PROP_T(km_flags)) == NULL) { 36007c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36017c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36027c478bd9Sstevel@tonic-gate } 36037c478bd9Sstevel@tonic-gate 36047c478bd9Sstevel@tonic-gate /* 36057c478bd9Sstevel@tonic-gate * If dev is major number 0, then we need to do a ddi_name_to_major 36067c478bd9Sstevel@tonic-gate * to get the real major number for the device. This needs to be 36077c478bd9Sstevel@tonic-gate * done because some drivers need to call ddi_prop_create in their 36087c478bd9Sstevel@tonic-gate * attach routines but they don't have a dev. By creating the dev 36097c478bd9Sstevel@tonic-gate * ourself if the major number is 0, drivers will not have to know what 36107c478bd9Sstevel@tonic-gate * their major number. They can just create a dev with major number 36117c478bd9Sstevel@tonic-gate * 0 and pass it in. For device 0, we will be doing a little extra 36127c478bd9Sstevel@tonic-gate * work by recreating the same dev that we already have, but its the 36137c478bd9Sstevel@tonic-gate * price you pay :-). 36147c478bd9Sstevel@tonic-gate * 36157c478bd9Sstevel@tonic-gate * This fixes bug #1098060. 36167c478bd9Sstevel@tonic-gate */ 36177c478bd9Sstevel@tonic-gate if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) { 36187c478bd9Sstevel@tonic-gate new_propp->prop_dev = 36197c478bd9Sstevel@tonic-gate makedevice(ddi_name_to_major(DEVI(dip)->devi_binding_name), 36207c478bd9Sstevel@tonic-gate getminor(dev)); 36217c478bd9Sstevel@tonic-gate } else 36227c478bd9Sstevel@tonic-gate new_propp->prop_dev = dev; 36237c478bd9Sstevel@tonic-gate 36247c478bd9Sstevel@tonic-gate /* 36257c478bd9Sstevel@tonic-gate * Allocate space for property name and copy it in... 36267c478bd9Sstevel@tonic-gate */ 36277c478bd9Sstevel@tonic-gate 36287c478bd9Sstevel@tonic-gate name_buf_len = strlen(name) + 1; 36297c478bd9Sstevel@tonic-gate new_propp->prop_name = kmem_alloc(name_buf_len, km_flags); 36307c478bd9Sstevel@tonic-gate if (new_propp->prop_name == 0) { 36317c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 36327c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36337c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36347c478bd9Sstevel@tonic-gate } 36357c478bd9Sstevel@tonic-gate bcopy(name, new_propp->prop_name, name_buf_len); 36367c478bd9Sstevel@tonic-gate 36377c478bd9Sstevel@tonic-gate /* 36387c478bd9Sstevel@tonic-gate * Set the property type 36397c478bd9Sstevel@tonic-gate */ 36407c478bd9Sstevel@tonic-gate new_propp->prop_flags = flags & DDI_PROP_TYPE_MASK; 36417c478bd9Sstevel@tonic-gate 36427c478bd9Sstevel@tonic-gate /* 36437c478bd9Sstevel@tonic-gate * Set length and value ONLY if not an explicit property undefine: 36447c478bd9Sstevel@tonic-gate * NOTE: value and length are zero for explicit undefines. 36457c478bd9Sstevel@tonic-gate */ 36467c478bd9Sstevel@tonic-gate 36477c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) { 36487c478bd9Sstevel@tonic-gate new_propp->prop_flags |= DDI_PROP_UNDEF_IT; 36497c478bd9Sstevel@tonic-gate } else { 36507c478bd9Sstevel@tonic-gate if ((new_propp->prop_len = length) != 0) { 36517c478bd9Sstevel@tonic-gate new_propp->prop_val = kmem_alloc(length, km_flags); 36527c478bd9Sstevel@tonic-gate if (new_propp->prop_val == 0) { 36537c478bd9Sstevel@tonic-gate kmem_free(new_propp->prop_name, name_buf_len); 36547c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 36557c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36567c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36577c478bd9Sstevel@tonic-gate } 36587c478bd9Sstevel@tonic-gate bcopy(value, new_propp->prop_val, length); 36597c478bd9Sstevel@tonic-gate } 36607c478bd9Sstevel@tonic-gate } 36617c478bd9Sstevel@tonic-gate 36627c478bd9Sstevel@tonic-gate /* 36637c478bd9Sstevel@tonic-gate * Link property into beginning of list. (Properties are LIFO order.) 36647c478bd9Sstevel@tonic-gate */ 36657c478bd9Sstevel@tonic-gate 36667c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 36677c478bd9Sstevel@tonic-gate propp = *list_head; 36687c478bd9Sstevel@tonic-gate new_propp->prop_next = propp; 36697c478bd9Sstevel@tonic-gate *list_head = new_propp; 36707c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 36717c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 36727c478bd9Sstevel@tonic-gate } 36737c478bd9Sstevel@tonic-gate 36747c478bd9Sstevel@tonic-gate 36757c478bd9Sstevel@tonic-gate /* 36767c478bd9Sstevel@tonic-gate * ddi_prop_change: Modify a software managed property value 36777c478bd9Sstevel@tonic-gate * 36787c478bd9Sstevel@tonic-gate * Set new length and value if found. 36797c478bd9Sstevel@tonic-gate * returns DDI_PROP_INVAL_ARG if dev is DDI_DEV_T_ANY or 36807c478bd9Sstevel@tonic-gate * input name is the NULL string. 36817c478bd9Sstevel@tonic-gate * returns DDI_PROP_NO_MEMORY if unable to allocate memory 36827c478bd9Sstevel@tonic-gate * 36837c478bd9Sstevel@tonic-gate * Note: an undef can be modified to be a define, 36847c478bd9Sstevel@tonic-gate * (you can't go the other way.) 36857c478bd9Sstevel@tonic-gate */ 36867c478bd9Sstevel@tonic-gate 36877c478bd9Sstevel@tonic-gate static int 36887c478bd9Sstevel@tonic-gate ddi_prop_change(dev_t dev, dev_info_t *dip, int flags, 36897c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 36907c478bd9Sstevel@tonic-gate { 36917c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 36929ac2ddeaScth ddi_prop_t **ppropp; 36937c478bd9Sstevel@tonic-gate caddr_t p = NULL; 36947c478bd9Sstevel@tonic-gate 36959ac2ddeaScth if ((dev == DDI_DEV_T_ANY) || (name == NULL) || (strlen(name) == 0)) 36967c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 36977c478bd9Sstevel@tonic-gate 36987c478bd9Sstevel@tonic-gate /* 36997c478bd9Sstevel@tonic-gate * Preallocate buffer, even if we don't need it... 37007c478bd9Sstevel@tonic-gate */ 37017c478bd9Sstevel@tonic-gate if (length != 0) { 37029ac2ddeaScth p = kmem_alloc(length, (flags & DDI_PROP_CANSLEEP) ? 37039ac2ddeaScth KM_SLEEP : KM_NOSLEEP); 37047c478bd9Sstevel@tonic-gate if (p == NULL) { 37057c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 37067c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 37077c478bd9Sstevel@tonic-gate } 37087c478bd9Sstevel@tonic-gate } 37097c478bd9Sstevel@tonic-gate 37109ac2ddeaScth /* 37119ac2ddeaScth * If the dev_t value contains DDI_MAJOR_T_UNKNOWN for the major 37129ac2ddeaScth * number, a real dev_t value should be created based upon the dip's 37139ac2ddeaScth * binding driver. See ddi_prop_add... 37149ac2ddeaScth */ 37159ac2ddeaScth if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) 37169ac2ddeaScth dev = makedevice( 37179ac2ddeaScth ddi_name_to_major(DEVI(dip)->devi_binding_name), 37189ac2ddeaScth getminor(dev)); 37199ac2ddeaScth 37207c478bd9Sstevel@tonic-gate /* 37217c478bd9Sstevel@tonic-gate * Check to see if the property exists. If so we modify it. 37227c478bd9Sstevel@tonic-gate * Else we create it by calling ddi_prop_add(). 37237c478bd9Sstevel@tonic-gate */ 37247c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 37259ac2ddeaScth ppropp = &DEVI(dip)->devi_drv_prop_ptr; 37267c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 37279ac2ddeaScth ppropp = &DEVI(dip)->devi_sys_prop_ptr; 37287c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 37299ac2ddeaScth ppropp = &DEVI(dip)->devi_hw_prop_ptr; 37307c478bd9Sstevel@tonic-gate 37319ac2ddeaScth if ((propp = i_ddi_prop_search(dev, name, flags, ppropp)) != NULL) { 37329ac2ddeaScth /* 37339ac2ddeaScth * Need to reallocate buffer? If so, do it 37349ac2ddeaScth * carefully (reuse same space if new prop 37359ac2ddeaScth * is same size and non-NULL sized). 37369ac2ddeaScth */ 37379ac2ddeaScth if (length != 0) 37389ac2ddeaScth bcopy(value, p, length); 37397c478bd9Sstevel@tonic-gate 37409ac2ddeaScth if (propp->prop_len != 0) 37419ac2ddeaScth kmem_free(propp->prop_val, propp->prop_len); 37427c478bd9Sstevel@tonic-gate 37439ac2ddeaScth propp->prop_len = length; 37449ac2ddeaScth propp->prop_val = p; 37459ac2ddeaScth propp->prop_flags &= ~DDI_PROP_UNDEF_IT; 37469ac2ddeaScth mutex_exit(&(DEVI(dip)->devi_lock)); 37479ac2ddeaScth return (DDI_PROP_SUCCESS); 37487c478bd9Sstevel@tonic-gate } 37497c478bd9Sstevel@tonic-gate 37507c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 37517c478bd9Sstevel@tonic-gate if (length != 0) 37527c478bd9Sstevel@tonic-gate kmem_free(p, length); 37539ac2ddeaScth 37547c478bd9Sstevel@tonic-gate return (ddi_prop_add(dev, dip, flags, name, value, length)); 37557c478bd9Sstevel@tonic-gate } 37567c478bd9Sstevel@tonic-gate 37577c478bd9Sstevel@tonic-gate /* 37587c478bd9Sstevel@tonic-gate * Common update routine used to update and encode a property. Creates 37597c478bd9Sstevel@tonic-gate * a property handle, calls the property encode routine, figures out if 37607c478bd9Sstevel@tonic-gate * the property already exists and updates if it does. Otherwise it 37617c478bd9Sstevel@tonic-gate * creates if it does not exist. 37627c478bd9Sstevel@tonic-gate */ 37637c478bd9Sstevel@tonic-gate int 37647c478bd9Sstevel@tonic-gate ddi_prop_update_common(dev_t match_dev, dev_info_t *dip, int flags, 37657c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 37667c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 37677c478bd9Sstevel@tonic-gate { 37687c478bd9Sstevel@tonic-gate prop_handle_t ph; 37697c478bd9Sstevel@tonic-gate int rval; 37707c478bd9Sstevel@tonic-gate uint_t ourflags; 37717c478bd9Sstevel@tonic-gate 37727c478bd9Sstevel@tonic-gate /* 37737c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 37747c478bd9Sstevel@tonic-gate * return error. 37757c478bd9Sstevel@tonic-gate */ 37767c478bd9Sstevel@tonic-gate if (match_dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 37777c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 37787c478bd9Sstevel@tonic-gate 37797c478bd9Sstevel@tonic-gate /* 37807c478bd9Sstevel@tonic-gate * Create the handle 37817c478bd9Sstevel@tonic-gate */ 37827c478bd9Sstevel@tonic-gate ph.ph_data = NULL; 37837c478bd9Sstevel@tonic-gate ph.ph_cur_pos = NULL; 37847c478bd9Sstevel@tonic-gate ph.ph_save_pos = NULL; 37857c478bd9Sstevel@tonic-gate ph.ph_size = 0; 37867c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 37877c478bd9Sstevel@tonic-gate 37887c478bd9Sstevel@tonic-gate /* 37897c478bd9Sstevel@tonic-gate * ourflags: 37907c478bd9Sstevel@tonic-gate * For compatibility with the old interfaces. The old interfaces 37917c478bd9Sstevel@tonic-gate * didn't sleep by default and slept when the flag was set. These 37927c478bd9Sstevel@tonic-gate * interfaces to the opposite. So the old interfaces now set the 37937c478bd9Sstevel@tonic-gate * DDI_PROP_DONTSLEEP flag by default which tells us not to sleep. 37947c478bd9Sstevel@tonic-gate * 37957c478bd9Sstevel@tonic-gate * ph.ph_flags: 37967c478bd9Sstevel@tonic-gate * Blocked data or unblocked data allocation 37977c478bd9Sstevel@tonic-gate * for ph.ph_data in ddi_prop_encode_alloc() 37987c478bd9Sstevel@tonic-gate */ 37997c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_DONTSLEEP) { 38007c478bd9Sstevel@tonic-gate ourflags = flags; 38017c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_DONTSLEEP; 38027c478bd9Sstevel@tonic-gate } else { 38037c478bd9Sstevel@tonic-gate ourflags = flags | DDI_PROP_CANSLEEP; 38047c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_CANSLEEP; 38057c478bd9Sstevel@tonic-gate } 38067c478bd9Sstevel@tonic-gate 38077c478bd9Sstevel@tonic-gate /* 38087c478bd9Sstevel@tonic-gate * Encode the data and store it in the property handle by 38097c478bd9Sstevel@tonic-gate * calling the prop_encode routine. 38107c478bd9Sstevel@tonic-gate */ 38117c478bd9Sstevel@tonic-gate if ((rval = (*prop_create)(&ph, data, nelements)) != 38127c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) { 38137c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_NO_MEMORY) 38147c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 38157c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 38167c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 38177c478bd9Sstevel@tonic-gate return (rval); 38187c478bd9Sstevel@tonic-gate } 38197c478bd9Sstevel@tonic-gate 38207c478bd9Sstevel@tonic-gate /* 38217c478bd9Sstevel@tonic-gate * The old interfaces use a stacking approach to creating 38227c478bd9Sstevel@tonic-gate * properties. If we are being called from the old interfaces, 38237c478bd9Sstevel@tonic-gate * the DDI_PROP_STACK_CREATE flag will be set, so we just do a 38247c478bd9Sstevel@tonic-gate * create without checking. 38257c478bd9Sstevel@tonic-gate */ 38267c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_STACK_CREATE) { 38277c478bd9Sstevel@tonic-gate rval = ddi_prop_add(match_dev, dip, 38287c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 38297c478bd9Sstevel@tonic-gate } else { 38307c478bd9Sstevel@tonic-gate rval = ddi_prop_change(match_dev, dip, 38317c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 38327c478bd9Sstevel@tonic-gate } 38337c478bd9Sstevel@tonic-gate 38347c478bd9Sstevel@tonic-gate /* 38357c478bd9Sstevel@tonic-gate * Free the encoded data allocated in the prop_encode routine. 38367c478bd9Sstevel@tonic-gate */ 38377c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 38387c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 38397c478bd9Sstevel@tonic-gate 38407c478bd9Sstevel@tonic-gate return (rval); 38417c478bd9Sstevel@tonic-gate } 38427c478bd9Sstevel@tonic-gate 38437c478bd9Sstevel@tonic-gate 38447c478bd9Sstevel@tonic-gate /* 38457c478bd9Sstevel@tonic-gate * ddi_prop_create: Define a managed property: 38467c478bd9Sstevel@tonic-gate * See above for details. 38477c478bd9Sstevel@tonic-gate */ 38487c478bd9Sstevel@tonic-gate 38497c478bd9Sstevel@tonic-gate int 38507c478bd9Sstevel@tonic-gate ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38517c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38527c478bd9Sstevel@tonic-gate { 38537c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) { 38547c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38557c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 38567c478bd9Sstevel@tonic-gate if (length != 0) 38577c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!ddi_prop_create: interface obsolete," 38587c478bd9Sstevel@tonic-gate "use ddi_prop_update (prop = %s, node = %s%d)", 38597c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 38607c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 38617c478bd9Sstevel@tonic-gate } 38627c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 3863b9ccdc5aScth flag |= DDI_PROP_STACK_CREATE | DDI_PROP_TYPE_ANY; 3864b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, name, 38657c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 38667c478bd9Sstevel@tonic-gate } 38677c478bd9Sstevel@tonic-gate 38687c478bd9Sstevel@tonic-gate int 38697c478bd9Sstevel@tonic-gate e_ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38707c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38717c478bd9Sstevel@tonic-gate { 38727c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38737c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 3874b9ccdc5aScth flag |= DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | DDI_PROP_TYPE_ANY; 3875b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 38767c478bd9Sstevel@tonic-gate name, value, length, ddi_prop_fm_encode_bytes)); 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate 38797c478bd9Sstevel@tonic-gate int 38807c478bd9Sstevel@tonic-gate ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 38817c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38827c478bd9Sstevel@tonic-gate { 38837c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 38847c478bd9Sstevel@tonic-gate 38857c478bd9Sstevel@tonic-gate /* 38867c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 38877c478bd9Sstevel@tonic-gate * return error. 38887c478bd9Sstevel@tonic-gate */ 38897c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 38907c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 38917c478bd9Sstevel@tonic-gate 38927c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38937c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38947c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 38959ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_NOTPROM), name) == 0) 38967c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 38977c478bd9Sstevel@tonic-gate 38987c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38997c478bd9Sstevel@tonic-gate (flag | DDI_PROP_TYPE_BYTE), name, 39007c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 39017c478bd9Sstevel@tonic-gate } 39027c478bd9Sstevel@tonic-gate 39037c478bd9Sstevel@tonic-gate int 39047c478bd9Sstevel@tonic-gate e_ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 39057c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 39067c478bd9Sstevel@tonic-gate { 39077c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 39087c478bd9Sstevel@tonic-gate 39097c478bd9Sstevel@tonic-gate /* 39107c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 39117c478bd9Sstevel@tonic-gate * return error. 39127c478bd9Sstevel@tonic-gate */ 39137c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 39147c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 39157c478bd9Sstevel@tonic-gate 39169ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_SYSTEM_DEF), name) == 0) 39177c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 39187c478bd9Sstevel@tonic-gate 39197c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 39207c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 39217c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 3922184cd04cScth (flag | DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE), 3923184cd04cScth name, value, length, ddi_prop_fm_encode_bytes)); 39247c478bd9Sstevel@tonic-gate } 39257c478bd9Sstevel@tonic-gate 39267c478bd9Sstevel@tonic-gate 39277c478bd9Sstevel@tonic-gate /* 39287c478bd9Sstevel@tonic-gate * Common lookup routine used to lookup and decode a property. 39297c478bd9Sstevel@tonic-gate * Creates a property handle, searches for the raw encoded data, 39307c478bd9Sstevel@tonic-gate * fills in the handle, and calls the property decode functions 39317c478bd9Sstevel@tonic-gate * passed in. 39327c478bd9Sstevel@tonic-gate * 39337c478bd9Sstevel@tonic-gate * This routine is not static because ddi_bus_prop_op() which lives in 39347c478bd9Sstevel@tonic-gate * ddi_impl.c calls it. No driver should be calling this routine. 39357c478bd9Sstevel@tonic-gate */ 39367c478bd9Sstevel@tonic-gate int 39377c478bd9Sstevel@tonic-gate ddi_prop_lookup_common(dev_t match_dev, dev_info_t *dip, 39387c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 39397c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 39407c478bd9Sstevel@tonic-gate { 39417c478bd9Sstevel@tonic-gate int rval; 39427c478bd9Sstevel@tonic-gate uint_t ourflags; 39437c478bd9Sstevel@tonic-gate prop_handle_t ph; 39447c478bd9Sstevel@tonic-gate 39457c478bd9Sstevel@tonic-gate if ((match_dev == DDI_DEV_T_NONE) || 39469ac2ddeaScth (name == NULL) || (strlen(name) == 0)) 39477c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 39487c478bd9Sstevel@tonic-gate 39497c478bd9Sstevel@tonic-gate ourflags = (flags & DDI_PROP_DONTSLEEP) ? flags : 3950184cd04cScth flags | DDI_PROP_CANSLEEP; 39517c478bd9Sstevel@tonic-gate 39527c478bd9Sstevel@tonic-gate /* 39537c478bd9Sstevel@tonic-gate * Get the encoded data 39547c478bd9Sstevel@tonic-gate */ 39557c478bd9Sstevel@tonic-gate bzero(&ph, sizeof (prop_handle_t)); 39567c478bd9Sstevel@tonic-gate 395765cf7c95SVikram Hegde if ((flags & DDI_UNBND_DLPI2) || (flags & DDI_PROP_ROOTNEX_GLOBAL)) { 39587c478bd9Sstevel@tonic-gate /* 395965cf7c95SVikram Hegde * For rootnex and unbound dlpi style-2 devices, index into 39607c478bd9Sstevel@tonic-gate * the devnames' array and search the global 39617c478bd9Sstevel@tonic-gate * property list. 39627c478bd9Sstevel@tonic-gate */ 39637c478bd9Sstevel@tonic-gate ourflags &= ~DDI_UNBND_DLPI2; 39647c478bd9Sstevel@tonic-gate rval = i_ddi_prop_search_global(match_dev, 39657c478bd9Sstevel@tonic-gate ourflags, name, &ph.ph_data, &ph.ph_size); 39667c478bd9Sstevel@tonic-gate } else { 39677c478bd9Sstevel@tonic-gate rval = ddi_prop_search_common(match_dev, dip, 39687c478bd9Sstevel@tonic-gate PROP_LEN_AND_VAL_ALLOC, ourflags, name, 39697c478bd9Sstevel@tonic-gate &ph.ph_data, &ph.ph_size); 39707c478bd9Sstevel@tonic-gate 39717c478bd9Sstevel@tonic-gate } 39727c478bd9Sstevel@tonic-gate 39737c478bd9Sstevel@tonic-gate if (rval != DDI_PROP_SUCCESS && rval != DDI_PROP_FOUND_1275) { 39747c478bd9Sstevel@tonic-gate ASSERT(ph.ph_data == NULL); 39757c478bd9Sstevel@tonic-gate ASSERT(ph.ph_size == 0); 39767c478bd9Sstevel@tonic-gate return (rval); 39777c478bd9Sstevel@tonic-gate } 39787c478bd9Sstevel@tonic-gate 39797c478bd9Sstevel@tonic-gate /* 39807c478bd9Sstevel@tonic-gate * If the encoded data came from a OBP or software 39817c478bd9Sstevel@tonic-gate * use the 1275 OBP decode/encode routines. 39827c478bd9Sstevel@tonic-gate */ 39837c478bd9Sstevel@tonic-gate ph.ph_cur_pos = ph.ph_data; 39847c478bd9Sstevel@tonic-gate ph.ph_save_pos = ph.ph_data; 39857c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 39867c478bd9Sstevel@tonic-gate ph.ph_flags = (rval == DDI_PROP_FOUND_1275) ? PH_FROM_PROM : 0; 39877c478bd9Sstevel@tonic-gate 39887c478bd9Sstevel@tonic-gate rval = (*prop_decoder)(&ph, data, nelements); 39897c478bd9Sstevel@tonic-gate 39907c478bd9Sstevel@tonic-gate /* 39917c478bd9Sstevel@tonic-gate * Free the encoded data 39927c478bd9Sstevel@tonic-gate */ 39937c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 39947c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 39957c478bd9Sstevel@tonic-gate 39967c478bd9Sstevel@tonic-gate return (rval); 39977c478bd9Sstevel@tonic-gate } 39987c478bd9Sstevel@tonic-gate 39997c478bd9Sstevel@tonic-gate /* 40007c478bd9Sstevel@tonic-gate * Lookup and return an array of composite properties. The driver must 40017c478bd9Sstevel@tonic-gate * provide the decode routine. 40027c478bd9Sstevel@tonic-gate */ 40037c478bd9Sstevel@tonic-gate int 40047c478bd9Sstevel@tonic-gate ddi_prop_lookup(dev_t match_dev, dev_info_t *dip, 40057c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 40067c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 40077c478bd9Sstevel@tonic-gate { 40087c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 40097c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_COMPOSITE), name, 40107c478bd9Sstevel@tonic-gate data, nelements, prop_decoder)); 40117c478bd9Sstevel@tonic-gate } 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate /* 40147c478bd9Sstevel@tonic-gate * Return 1 if a property exists (no type checking done). 40157c478bd9Sstevel@tonic-gate * Return 0 if it does not exist. 40167c478bd9Sstevel@tonic-gate */ 40177c478bd9Sstevel@tonic-gate int 40187c478bd9Sstevel@tonic-gate ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name) 40197c478bd9Sstevel@tonic-gate { 40207c478bd9Sstevel@tonic-gate int i; 40217c478bd9Sstevel@tonic-gate uint_t x = 0; 40227c478bd9Sstevel@tonic-gate 40237c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(match_dev, dip, PROP_EXISTS, 4024184cd04cScth flags | DDI_PROP_TYPE_MASK, name, NULL, &x); 40257c478bd9Sstevel@tonic-gate return (i == DDI_PROP_SUCCESS || i == DDI_PROP_FOUND_1275); 40267c478bd9Sstevel@tonic-gate } 40277c478bd9Sstevel@tonic-gate 40287c478bd9Sstevel@tonic-gate 40297c478bd9Sstevel@tonic-gate /* 40307c478bd9Sstevel@tonic-gate * Update an array of composite properties. The driver must 40317c478bd9Sstevel@tonic-gate * provide the encode routine. 40327c478bd9Sstevel@tonic-gate */ 40337c478bd9Sstevel@tonic-gate int 40347c478bd9Sstevel@tonic-gate ddi_prop_update(dev_t match_dev, dev_info_t *dip, 40357c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 40367c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 40377c478bd9Sstevel@tonic-gate { 40387c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_COMPOSITE, 40397c478bd9Sstevel@tonic-gate name, data, nelements, prop_create)); 40407c478bd9Sstevel@tonic-gate } 40417c478bd9Sstevel@tonic-gate 40427c478bd9Sstevel@tonic-gate /* 40437c478bd9Sstevel@tonic-gate * Get a single integer or boolean property and return it. 40447c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 40457c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 40467c478bd9Sstevel@tonic-gate * 40477c478bd9Sstevel@tonic-gate * This routine always succeeds. 40487c478bd9Sstevel@tonic-gate */ 40497c478bd9Sstevel@tonic-gate int 40507c478bd9Sstevel@tonic-gate ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 40517c478bd9Sstevel@tonic-gate char *name, int defvalue) 40527c478bd9Sstevel@tonic-gate { 40537c478bd9Sstevel@tonic-gate int data; 40547c478bd9Sstevel@tonic-gate uint_t nelements; 40557c478bd9Sstevel@tonic-gate int rval; 40567c478bd9Sstevel@tonic-gate 40577c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 405865cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 40597c478bd9Sstevel@tonic-gate #ifdef DEBUG 40607c478bd9Sstevel@tonic-gate if (dip != NULL) { 40617c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int: invalid flag" 40627c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 40637c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 40647c478bd9Sstevel@tonic-gate } 40657c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 40667c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40677c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 40687c478bd9Sstevel@tonic-gate } 40697c478bd9Sstevel@tonic-gate 40707c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 40717c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, &data, &nelements, 40727c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int)) != DDI_PROP_SUCCESS) { 40737c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 40747c478bd9Sstevel@tonic-gate data = 1; 40757c478bd9Sstevel@tonic-gate else 40767c478bd9Sstevel@tonic-gate data = defvalue; 40777c478bd9Sstevel@tonic-gate } 40787c478bd9Sstevel@tonic-gate return (data); 40797c478bd9Sstevel@tonic-gate } 40807c478bd9Sstevel@tonic-gate 40817c478bd9Sstevel@tonic-gate /* 40827c478bd9Sstevel@tonic-gate * Get a single 64 bit integer or boolean property and return it. 40837c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 40847c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 40857c478bd9Sstevel@tonic-gate * 40867c478bd9Sstevel@tonic-gate * This routine always succeeds. 40877c478bd9Sstevel@tonic-gate */ 40887c478bd9Sstevel@tonic-gate int64_t 40897c478bd9Sstevel@tonic-gate ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 40907c478bd9Sstevel@tonic-gate char *name, int64_t defvalue) 40917c478bd9Sstevel@tonic-gate { 40927c478bd9Sstevel@tonic-gate int64_t data; 40937c478bd9Sstevel@tonic-gate uint_t nelements; 40947c478bd9Sstevel@tonic-gate int rval; 40957c478bd9Sstevel@tonic-gate 40967c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 409765cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 40987c478bd9Sstevel@tonic-gate #ifdef DEBUG 40997c478bd9Sstevel@tonic-gate if (dip != NULL) { 41007c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int64: invalid flag" 41017c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 41027c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 41037c478bd9Sstevel@tonic-gate } 41047c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41057c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 41067c478bd9Sstevel@tonic-gate } 41077c478bd9Sstevel@tonic-gate 41087c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 41097c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 41107c478bd9Sstevel@tonic-gate name, &data, &nelements, ddi_prop_fm_decode_int64)) 41117c478bd9Sstevel@tonic-gate != DDI_PROP_SUCCESS) { 41127c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 41137c478bd9Sstevel@tonic-gate data = 1; 41147c478bd9Sstevel@tonic-gate else 41157c478bd9Sstevel@tonic-gate data = defvalue; 41167c478bd9Sstevel@tonic-gate } 41177c478bd9Sstevel@tonic-gate return (data); 41187c478bd9Sstevel@tonic-gate } 41197c478bd9Sstevel@tonic-gate 41207c478bd9Sstevel@tonic-gate /* 41217c478bd9Sstevel@tonic-gate * Get an array of integer property 41227c478bd9Sstevel@tonic-gate */ 41237c478bd9Sstevel@tonic-gate int 41247c478bd9Sstevel@tonic-gate ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 41257c478bd9Sstevel@tonic-gate char *name, int **data, uint_t *nelements) 41267c478bd9Sstevel@tonic-gate { 41277c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 412865cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 41297c478bd9Sstevel@tonic-gate #ifdef DEBUG 41307c478bd9Sstevel@tonic-gate if (dip != NULL) { 41317c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int_array: " 41327c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 41337c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 41347c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 41357c478bd9Sstevel@tonic-gate } 41367c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41377c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 4138184cd04cScth LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 41397c478bd9Sstevel@tonic-gate } 41407c478bd9Sstevel@tonic-gate 41417c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 41427c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, data, 41437c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_ints)); 41447c478bd9Sstevel@tonic-gate } 41457c478bd9Sstevel@tonic-gate 41467c478bd9Sstevel@tonic-gate /* 41477c478bd9Sstevel@tonic-gate * Get an array of 64 bit integer properties 41487c478bd9Sstevel@tonic-gate */ 41497c478bd9Sstevel@tonic-gate int 41507c478bd9Sstevel@tonic-gate ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 41517c478bd9Sstevel@tonic-gate char *name, int64_t **data, uint_t *nelements) 41527c478bd9Sstevel@tonic-gate { 41537c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 415465cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 41557c478bd9Sstevel@tonic-gate #ifdef DEBUG 41567c478bd9Sstevel@tonic-gate if (dip != NULL) { 41577c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int64_array: " 41587c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 41597c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 41607c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 41617c478bd9Sstevel@tonic-gate } 41627c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41637c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 41647c478bd9Sstevel@tonic-gate } 41657c478bd9Sstevel@tonic-gate 41667c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 41677c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 41687c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_decode_int64_array)); 41697c478bd9Sstevel@tonic-gate } 41707c478bd9Sstevel@tonic-gate 41717c478bd9Sstevel@tonic-gate /* 41727c478bd9Sstevel@tonic-gate * Update a single integer property. If the property exists on the drivers 41737c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 41747c478bd9Sstevel@tonic-gate */ 41757c478bd9Sstevel@tonic-gate int 41767c478bd9Sstevel@tonic-gate ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41777c478bd9Sstevel@tonic-gate char *name, int data) 41787c478bd9Sstevel@tonic-gate { 41797c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 41807c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 41817c478bd9Sstevel@tonic-gate } 41827c478bd9Sstevel@tonic-gate 41837c478bd9Sstevel@tonic-gate /* 41847c478bd9Sstevel@tonic-gate * Update a single 64 bit integer property. 41857c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 41867c478bd9Sstevel@tonic-gate */ 41877c478bd9Sstevel@tonic-gate int 41887c478bd9Sstevel@tonic-gate ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 41897c478bd9Sstevel@tonic-gate char *name, int64_t data) 41907c478bd9Sstevel@tonic-gate { 41917c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 41927c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 41937c478bd9Sstevel@tonic-gate } 41947c478bd9Sstevel@tonic-gate 41957c478bd9Sstevel@tonic-gate int 41967c478bd9Sstevel@tonic-gate e_ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41977c478bd9Sstevel@tonic-gate char *name, int data) 41987c478bd9Sstevel@tonic-gate { 41997c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42007c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 42017c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 42027c478bd9Sstevel@tonic-gate } 42037c478bd9Sstevel@tonic-gate 42047c478bd9Sstevel@tonic-gate int 42057c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 42067c478bd9Sstevel@tonic-gate char *name, int64_t data) 42077c478bd9Sstevel@tonic-gate { 42087c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42097c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 42107c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 42117c478bd9Sstevel@tonic-gate } 42127c478bd9Sstevel@tonic-gate 42137c478bd9Sstevel@tonic-gate /* 42147c478bd9Sstevel@tonic-gate * Update an array of integer property. If the property exists on the drivers 42157c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 42167c478bd9Sstevel@tonic-gate */ 42177c478bd9Sstevel@tonic-gate int 42187c478bd9Sstevel@tonic-gate ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 42197c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 42207c478bd9Sstevel@tonic-gate { 42217c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 42227c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 42237c478bd9Sstevel@tonic-gate } 42247c478bd9Sstevel@tonic-gate 42257c478bd9Sstevel@tonic-gate /* 42267c478bd9Sstevel@tonic-gate * Update an array of 64 bit integer properties. 42277c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 42287c478bd9Sstevel@tonic-gate */ 42297c478bd9Sstevel@tonic-gate int 42307c478bd9Sstevel@tonic-gate ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 42317c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 42327c478bd9Sstevel@tonic-gate { 42337c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 42347c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 42357c478bd9Sstevel@tonic-gate } 42367c478bd9Sstevel@tonic-gate 42377c478bd9Sstevel@tonic-gate int 42387c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 42397c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 42407c478bd9Sstevel@tonic-gate { 42417c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42427c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 42437c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 42447c478bd9Sstevel@tonic-gate } 42457c478bd9Sstevel@tonic-gate 42467c478bd9Sstevel@tonic-gate int 42477c478bd9Sstevel@tonic-gate e_ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 42487c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 42497c478bd9Sstevel@tonic-gate { 42507c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42517c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 42527c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 42537c478bd9Sstevel@tonic-gate } 42547c478bd9Sstevel@tonic-gate 42557c478bd9Sstevel@tonic-gate /* 42567c478bd9Sstevel@tonic-gate * Get a single string property. 42577c478bd9Sstevel@tonic-gate */ 42587c478bd9Sstevel@tonic-gate int 42597c478bd9Sstevel@tonic-gate ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 42607c478bd9Sstevel@tonic-gate char *name, char **data) 42617c478bd9Sstevel@tonic-gate { 42627c478bd9Sstevel@tonic-gate uint_t x; 42637c478bd9Sstevel@tonic-gate 42647c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 426565cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 42667c478bd9Sstevel@tonic-gate #ifdef DEBUG 42677c478bd9Sstevel@tonic-gate if (dip != NULL) { 42687c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s: invalid flag 0x%x " 42697c478bd9Sstevel@tonic-gate "(prop = %s, node = %s%d); invalid bits ignored", 42707c478bd9Sstevel@tonic-gate "ddi_prop_lookup_string", flags, name, 42717c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 42727c478bd9Sstevel@tonic-gate } 42737c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 42747c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42757c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 42767c478bd9Sstevel@tonic-gate } 42777c478bd9Sstevel@tonic-gate 42787c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 42797c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 42807c478bd9Sstevel@tonic-gate &x, ddi_prop_fm_decode_string)); 42817c478bd9Sstevel@tonic-gate } 42827c478bd9Sstevel@tonic-gate 42837c478bd9Sstevel@tonic-gate /* 42847c478bd9Sstevel@tonic-gate * Get an array of strings property. 42857c478bd9Sstevel@tonic-gate */ 42867c478bd9Sstevel@tonic-gate int 42877c478bd9Sstevel@tonic-gate ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 42887c478bd9Sstevel@tonic-gate char *name, char ***data, uint_t *nelements) 42897c478bd9Sstevel@tonic-gate { 42907c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 429165cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 42927c478bd9Sstevel@tonic-gate #ifdef DEBUG 42937c478bd9Sstevel@tonic-gate if (dip != NULL) { 42947c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_string_array: " 42957c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 42967c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 42977c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 42987c478bd9Sstevel@tonic-gate } 42997c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 43007c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 43017c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate 43047c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 43057c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 43067c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_strings)); 43077c478bd9Sstevel@tonic-gate } 43087c478bd9Sstevel@tonic-gate 43097c478bd9Sstevel@tonic-gate /* 43107c478bd9Sstevel@tonic-gate * Update a single string property. 43117c478bd9Sstevel@tonic-gate */ 43127c478bd9Sstevel@tonic-gate int 43137c478bd9Sstevel@tonic-gate ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 43147c478bd9Sstevel@tonic-gate char *name, char *data) 43157c478bd9Sstevel@tonic-gate { 43167c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43177c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, &data, 1, 43187c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string)); 43197c478bd9Sstevel@tonic-gate } 43207c478bd9Sstevel@tonic-gate 43217c478bd9Sstevel@tonic-gate int 43227c478bd9Sstevel@tonic-gate e_ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 43237c478bd9Sstevel@tonic-gate char *name, char *data) 43247c478bd9Sstevel@tonic-gate { 43257c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43267c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 43277c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_string)); 43287c478bd9Sstevel@tonic-gate } 43297c478bd9Sstevel@tonic-gate 43307c478bd9Sstevel@tonic-gate 43317c478bd9Sstevel@tonic-gate /* 43327c478bd9Sstevel@tonic-gate * Update an array of strings property. 43337c478bd9Sstevel@tonic-gate */ 43347c478bd9Sstevel@tonic-gate int 43357c478bd9Sstevel@tonic-gate ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 43367c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 43377c478bd9Sstevel@tonic-gate { 43387c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43397c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, data, nelements, 43407c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 43417c478bd9Sstevel@tonic-gate } 43427c478bd9Sstevel@tonic-gate 43437c478bd9Sstevel@tonic-gate int 43447c478bd9Sstevel@tonic-gate e_ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 43457c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 43467c478bd9Sstevel@tonic-gate { 43477c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43487c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 43497c478bd9Sstevel@tonic-gate name, data, nelements, 43507c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 43517c478bd9Sstevel@tonic-gate } 43527c478bd9Sstevel@tonic-gate 43537c478bd9Sstevel@tonic-gate 43547c478bd9Sstevel@tonic-gate /* 43557c478bd9Sstevel@tonic-gate * Get an array of bytes property. 43567c478bd9Sstevel@tonic-gate */ 43577c478bd9Sstevel@tonic-gate int 43587c478bd9Sstevel@tonic-gate ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 43597c478bd9Sstevel@tonic-gate char *name, uchar_t **data, uint_t *nelements) 43607c478bd9Sstevel@tonic-gate { 43617c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 436265cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 43637c478bd9Sstevel@tonic-gate #ifdef DEBUG 43647c478bd9Sstevel@tonic-gate if (dip != NULL) { 43657c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_byte_array: " 43667c478bd9Sstevel@tonic-gate " invalid flag 0x%x (prop = %s, node = %s%d)", 43677c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 43687c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 43697c478bd9Sstevel@tonic-gate } 43707c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 43717c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 43727c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 43737c478bd9Sstevel@tonic-gate } 43747c478bd9Sstevel@tonic-gate 43757c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 43767c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_BYTE), name, data, 43777c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_bytes)); 43787c478bd9Sstevel@tonic-gate } 43797c478bd9Sstevel@tonic-gate 43807c478bd9Sstevel@tonic-gate /* 43817c478bd9Sstevel@tonic-gate * Update an array of bytes property. 43827c478bd9Sstevel@tonic-gate */ 43837c478bd9Sstevel@tonic-gate int 43847c478bd9Sstevel@tonic-gate ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43857c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43867c478bd9Sstevel@tonic-gate { 43877c478bd9Sstevel@tonic-gate if (nelements == 0) 43887c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43897c478bd9Sstevel@tonic-gate 43907c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_BYTE, 43917c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 43927c478bd9Sstevel@tonic-gate } 43937c478bd9Sstevel@tonic-gate 43947c478bd9Sstevel@tonic-gate 43957c478bd9Sstevel@tonic-gate int 43967c478bd9Sstevel@tonic-gate e_ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43977c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43987c478bd9Sstevel@tonic-gate { 43997c478bd9Sstevel@tonic-gate if (nelements == 0) 44007c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 44017c478bd9Sstevel@tonic-gate 44027c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 44037c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE, 44047c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 44057c478bd9Sstevel@tonic-gate } 44067c478bd9Sstevel@tonic-gate 44077c478bd9Sstevel@tonic-gate 44087c478bd9Sstevel@tonic-gate /* 44097c478bd9Sstevel@tonic-gate * ddi_prop_remove_common: Undefine a managed property: 44107c478bd9Sstevel@tonic-gate * Input dev_t must match dev_t when defined. 44117c478bd9Sstevel@tonic-gate * Returns DDI_PROP_NOT_FOUND, possibly. 44127c478bd9Sstevel@tonic-gate * DDI_PROP_INVAL_ARG is also possible if dev is 44137c478bd9Sstevel@tonic-gate * DDI_DEV_T_ANY or incoming name is the NULL string. 44147c478bd9Sstevel@tonic-gate */ 44157c478bd9Sstevel@tonic-gate int 44167c478bd9Sstevel@tonic-gate ddi_prop_remove_common(dev_t dev, dev_info_t *dip, char *name, int flag) 44177c478bd9Sstevel@tonic-gate { 44187c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 44197c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 44207c478bd9Sstevel@tonic-gate ddi_prop_t *lastpropp = NULL; 44217c478bd9Sstevel@tonic-gate 44227c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || (name == (char *)0) || 44237c478bd9Sstevel@tonic-gate (strlen(name) == 0)) { 44247c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 44257c478bd9Sstevel@tonic-gate } 44267c478bd9Sstevel@tonic-gate 44277c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) 44287c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 44297c478bd9Sstevel@tonic-gate else if (flag & DDI_PROP_HW_DEF) 44307c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 44317c478bd9Sstevel@tonic-gate 44327c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 44337c478bd9Sstevel@tonic-gate 44347c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 44352cd7878fScth if (DDI_STRSAME(propp->prop_name, name) && 44367c478bd9Sstevel@tonic-gate (dev == propp->prop_dev)) { 44377c478bd9Sstevel@tonic-gate /* 44387c478bd9Sstevel@tonic-gate * Unlink this propp allowing for it to 44397c478bd9Sstevel@tonic-gate * be first in the list: 44407c478bd9Sstevel@tonic-gate */ 44417c478bd9Sstevel@tonic-gate 44427c478bd9Sstevel@tonic-gate if (lastpropp == NULL) 44437c478bd9Sstevel@tonic-gate *list_head = propp->prop_next; 44447c478bd9Sstevel@tonic-gate else 44457c478bd9Sstevel@tonic-gate lastpropp->prop_next = propp->prop_next; 44467c478bd9Sstevel@tonic-gate 44477c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44487c478bd9Sstevel@tonic-gate 44497c478bd9Sstevel@tonic-gate /* 44507c478bd9Sstevel@tonic-gate * Free memory and return... 44517c478bd9Sstevel@tonic-gate */ 44527c478bd9Sstevel@tonic-gate kmem_free(propp->prop_name, 44537c478bd9Sstevel@tonic-gate strlen(propp->prop_name) + 1); 44547c478bd9Sstevel@tonic-gate if (propp->prop_len != 0) 44557c478bd9Sstevel@tonic-gate kmem_free(propp->prop_val, propp->prop_len); 44567c478bd9Sstevel@tonic-gate kmem_free(propp, sizeof (ddi_prop_t)); 44577c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 44587c478bd9Sstevel@tonic-gate } 44597c478bd9Sstevel@tonic-gate lastpropp = propp; 44607c478bd9Sstevel@tonic-gate } 44617c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44627c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 44637c478bd9Sstevel@tonic-gate } 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate int 44667c478bd9Sstevel@tonic-gate ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44677c478bd9Sstevel@tonic-gate { 44687c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, 0)); 44697c478bd9Sstevel@tonic-gate } 44707c478bd9Sstevel@tonic-gate 44717c478bd9Sstevel@tonic-gate int 44727c478bd9Sstevel@tonic-gate e_ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44737c478bd9Sstevel@tonic-gate { 44747c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, DDI_PROP_SYSTEM_DEF)); 44757c478bd9Sstevel@tonic-gate } 44767c478bd9Sstevel@tonic-gate 44777c478bd9Sstevel@tonic-gate /* 44787c478bd9Sstevel@tonic-gate * e_ddi_prop_list_delete: remove a list of properties 44797c478bd9Sstevel@tonic-gate * Note that the caller needs to provide the required protection 44807c478bd9Sstevel@tonic-gate * (eg. devi_lock if these properties are still attached to a devi) 44817c478bd9Sstevel@tonic-gate */ 44827c478bd9Sstevel@tonic-gate void 44837c478bd9Sstevel@tonic-gate e_ddi_prop_list_delete(ddi_prop_t *props) 44847c478bd9Sstevel@tonic-gate { 44857c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(props); 44867c478bd9Sstevel@tonic-gate } 44877c478bd9Sstevel@tonic-gate 44887c478bd9Sstevel@tonic-gate /* 44897c478bd9Sstevel@tonic-gate * ddi_prop_remove_all_common: 44907c478bd9Sstevel@tonic-gate * Used before unloading a driver to remove 44917c478bd9Sstevel@tonic-gate * all properties. (undefines all dev_t's props.) 44927c478bd9Sstevel@tonic-gate * Also removes `explicitly undefined' props. 44937c478bd9Sstevel@tonic-gate * No errors possible. 44947c478bd9Sstevel@tonic-gate */ 44957c478bd9Sstevel@tonic-gate void 44967c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dev_info_t *dip, int flag) 44977c478bd9Sstevel@tonic-gate { 44987c478bd9Sstevel@tonic-gate ddi_prop_t **list_head; 44997c478bd9Sstevel@tonic-gate 45007c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 45017c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) { 45027c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 45037c478bd9Sstevel@tonic-gate } else if (flag & DDI_PROP_HW_DEF) { 45047c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 45057c478bd9Sstevel@tonic-gate } else { 45067c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_drv_prop_ptr); 45077c478bd9Sstevel@tonic-gate } 45087c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(*list_head); 45097c478bd9Sstevel@tonic-gate *list_head = NULL; 45107c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 45117c478bd9Sstevel@tonic-gate } 45127c478bd9Sstevel@tonic-gate 45137c478bd9Sstevel@tonic-gate 45147c478bd9Sstevel@tonic-gate /* 45157c478bd9Sstevel@tonic-gate * ddi_prop_remove_all: Remove all driver prop definitions. 45167c478bd9Sstevel@tonic-gate */ 45177c478bd9Sstevel@tonic-gate 45187c478bd9Sstevel@tonic-gate void 45197c478bd9Sstevel@tonic-gate ddi_prop_remove_all(dev_info_t *dip) 45207c478bd9Sstevel@tonic-gate { 4521b9ccdc5aScth i_ddi_prop_dyn_driver_set(dip, NULL); 45227c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, 0); 45237c478bd9Sstevel@tonic-gate } 45247c478bd9Sstevel@tonic-gate 45257c478bd9Sstevel@tonic-gate /* 45267c478bd9Sstevel@tonic-gate * e_ddi_prop_remove_all: Remove all system prop definitions. 45277c478bd9Sstevel@tonic-gate */ 45287c478bd9Sstevel@tonic-gate 45297c478bd9Sstevel@tonic-gate void 45307c478bd9Sstevel@tonic-gate e_ddi_prop_remove_all(dev_info_t *dip) 45317c478bd9Sstevel@tonic-gate { 45327c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, (int)DDI_PROP_SYSTEM_DEF); 45337c478bd9Sstevel@tonic-gate } 45347c478bd9Sstevel@tonic-gate 45357c478bd9Sstevel@tonic-gate 45367c478bd9Sstevel@tonic-gate /* 45377c478bd9Sstevel@tonic-gate * ddi_prop_undefine: Explicitly undefine a property. Property 45387c478bd9Sstevel@tonic-gate * searches which match this property return 45397c478bd9Sstevel@tonic-gate * the error code DDI_PROP_UNDEFINED. 45407c478bd9Sstevel@tonic-gate * 45417c478bd9Sstevel@tonic-gate * Use ddi_prop_remove to negate effect of 45427c478bd9Sstevel@tonic-gate * ddi_prop_undefine 45437c478bd9Sstevel@tonic-gate * 45447c478bd9Sstevel@tonic-gate * See above for error returns. 45457c478bd9Sstevel@tonic-gate */ 45467c478bd9Sstevel@tonic-gate 45477c478bd9Sstevel@tonic-gate int 45487c478bd9Sstevel@tonic-gate ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 45497c478bd9Sstevel@tonic-gate { 45507c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45517c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 4552b9ccdc5aScth flag |= DDI_PROP_STACK_CREATE | DDI_PROP_UNDEF_IT | DDI_PROP_TYPE_ANY; 4553b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 4554b9ccdc5aScth name, NULL, 0, ddi_prop_fm_encode_bytes)); 45557c478bd9Sstevel@tonic-gate } 45567c478bd9Sstevel@tonic-gate 45577c478bd9Sstevel@tonic-gate int 45587c478bd9Sstevel@tonic-gate e_ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 45597c478bd9Sstevel@tonic-gate { 45607c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45617c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 4562b9ccdc5aScth flag |= DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | 4563b9ccdc5aScth DDI_PROP_UNDEF_IT | DDI_PROP_TYPE_ANY; 4564b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 45657c478bd9Sstevel@tonic-gate name, NULL, 0, ddi_prop_fm_encode_bytes)); 45667c478bd9Sstevel@tonic-gate } 45677c478bd9Sstevel@tonic-gate 4568b9ccdc5aScth /* 4569b9ccdc5aScth * Support for gathering dynamic properties in devinfo snapshot. 4570b9ccdc5aScth */ 4571b9ccdc5aScth void 4572b9ccdc5aScth i_ddi_prop_dyn_driver_set(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4573b9ccdc5aScth { 4574b9ccdc5aScth DEVI(dip)->devi_prop_dyn_driver = dp; 4575b9ccdc5aScth } 4576b9ccdc5aScth 4577b9ccdc5aScth i_ddi_prop_dyn_t * 4578b9ccdc5aScth i_ddi_prop_dyn_driver_get(dev_info_t *dip) 4579b9ccdc5aScth { 4580b9ccdc5aScth return (DEVI(dip)->devi_prop_dyn_driver); 4581b9ccdc5aScth } 4582b9ccdc5aScth 4583b9ccdc5aScth void 4584b9ccdc5aScth i_ddi_prop_dyn_parent_set(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4585b9ccdc5aScth { 4586b9ccdc5aScth DEVI(dip)->devi_prop_dyn_parent = dp; 4587b9ccdc5aScth } 4588b9ccdc5aScth 4589b9ccdc5aScth i_ddi_prop_dyn_t * 4590b9ccdc5aScth i_ddi_prop_dyn_parent_get(dev_info_t *dip) 4591b9ccdc5aScth { 4592b9ccdc5aScth return (DEVI(dip)->devi_prop_dyn_parent); 4593b9ccdc5aScth } 4594b9ccdc5aScth 4595b9ccdc5aScth void 4596b9ccdc5aScth i_ddi_prop_dyn_cache_invalidate(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4597b9ccdc5aScth { 4598b9ccdc5aScth /* for now we invalidate the entire cached snapshot */ 4599b9ccdc5aScth if (dip && dp) 4600*4c06356bSdh i_ddi_di_cache_invalidate(); 4601b9ccdc5aScth } 4602b9ccdc5aScth 4603b9ccdc5aScth /* ARGSUSED */ 4604b9ccdc5aScth void 4605b9ccdc5aScth ddi_prop_cache_invalidate(dev_t dev, dev_info_t *dip, char *name, int flags) 4606b9ccdc5aScth { 4607b9ccdc5aScth /* for now we invalidate the entire cached snapshot */ 4608*4c06356bSdh i_ddi_di_cache_invalidate(); 4609b9ccdc5aScth } 4610b9ccdc5aScth 4611b9ccdc5aScth 46127c478bd9Sstevel@tonic-gate /* 46137c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, on behalf of child. 46147c478bd9Sstevel@tonic-gate * 46157c478bd9Sstevel@tonic-gate * if input dip != child_dip, then call is on behalf of child 46167c478bd9Sstevel@tonic-gate * to search PROM, do it via ddi_prop_search_common() and ascend only 46177c478bd9Sstevel@tonic-gate * if allowed. 46187c478bd9Sstevel@tonic-gate * 46197c478bd9Sstevel@tonic-gate * if input dip == ch_dip (child_dip), call is on behalf of root driver, 46207c478bd9Sstevel@tonic-gate * to search for PROM defined props only. 46217c478bd9Sstevel@tonic-gate * 46227c478bd9Sstevel@tonic-gate * Note that the PROM search is done only if the requested dev 46237c478bd9Sstevel@tonic-gate * is either DDI_DEV_T_ANY or DDI_DEV_T_NONE. PROM properties 46247c478bd9Sstevel@tonic-gate * have no associated dev, thus are automatically associated with 46257c478bd9Sstevel@tonic-gate * DDI_DEV_T_NONE. 46267c478bd9Sstevel@tonic-gate * 46277c478bd9Sstevel@tonic-gate * Modifying flag DDI_PROP_NOTPROM inhibits the search in the h/w layer. 46287c478bd9Sstevel@tonic-gate * 46297c478bd9Sstevel@tonic-gate * Returns DDI_PROP_FOUND_1275 if found to indicate to framework 46307c478bd9Sstevel@tonic-gate * that the property resides in the prom. 46317c478bd9Sstevel@tonic-gate */ 46327c478bd9Sstevel@tonic-gate int 46337c478bd9Sstevel@tonic-gate impl_ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 46347c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 46357c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 46367c478bd9Sstevel@tonic-gate { 46377c478bd9Sstevel@tonic-gate int len; 46387c478bd9Sstevel@tonic-gate caddr_t buffer; 46397c478bd9Sstevel@tonic-gate 46407c478bd9Sstevel@tonic-gate /* 46417c478bd9Sstevel@tonic-gate * If requested dev is DDI_DEV_T_NONE or DDI_DEV_T_ANY, then 46427c478bd9Sstevel@tonic-gate * look in caller's PROM if it's a self identifying device... 46437c478bd9Sstevel@tonic-gate * 46447c478bd9Sstevel@tonic-gate * Note that this is very similar to ddi_prop_op, but we 46457c478bd9Sstevel@tonic-gate * search the PROM instead of the s/w defined properties, 46467c478bd9Sstevel@tonic-gate * and we are called on by the parent driver to do this for 46477c478bd9Sstevel@tonic-gate * the child. 46487c478bd9Sstevel@tonic-gate */ 46497c478bd9Sstevel@tonic-gate 46507c478bd9Sstevel@tonic-gate if (((dev == DDI_DEV_T_NONE) || (dev == DDI_DEV_T_ANY)) && 46517c478bd9Sstevel@tonic-gate ndi_dev_is_prom_node(ch_dip) && 46527c478bd9Sstevel@tonic-gate ((mod_flags & DDI_PROP_NOTPROM) == 0)) { 4653fa9e4066Sahrens len = prom_getproplen((pnode_t)DEVI(ch_dip)->devi_nodeid, name); 46547c478bd9Sstevel@tonic-gate if (len == -1) { 46557c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 46567c478bd9Sstevel@tonic-gate } 46577c478bd9Sstevel@tonic-gate 46587c478bd9Sstevel@tonic-gate /* 46597c478bd9Sstevel@tonic-gate * If exists only request, we're done 46607c478bd9Sstevel@tonic-gate */ 46617c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 46627c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 46637c478bd9Sstevel@tonic-gate } 46647c478bd9Sstevel@tonic-gate 46657c478bd9Sstevel@tonic-gate /* 46667c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, get out 46677c478bd9Sstevel@tonic-gate */ 46687c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) || (len == 0)) { 46697c478bd9Sstevel@tonic-gate *lengthp = len; 46707c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 46717c478bd9Sstevel@tonic-gate } 46727c478bd9Sstevel@tonic-gate 46737c478bd9Sstevel@tonic-gate /* 46747c478bd9Sstevel@tonic-gate * Allocate buffer if required... (either way `buffer' 46757c478bd9Sstevel@tonic-gate * is receiving address). 46767c478bd9Sstevel@tonic-gate */ 46777c478bd9Sstevel@tonic-gate 46787c478bd9Sstevel@tonic-gate switch (prop_op) { 46797c478bd9Sstevel@tonic-gate 46807c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 46817c478bd9Sstevel@tonic-gate 46827c478bd9Sstevel@tonic-gate buffer = kmem_alloc((size_t)len, 46837c478bd9Sstevel@tonic-gate mod_flags & DDI_PROP_CANSLEEP ? 46847c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP); 46857c478bd9Sstevel@tonic-gate if (buffer == NULL) { 46867c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 46877c478bd9Sstevel@tonic-gate } 46887c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 46897c478bd9Sstevel@tonic-gate break; 46907c478bd9Sstevel@tonic-gate 46917c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 46927c478bd9Sstevel@tonic-gate 46937c478bd9Sstevel@tonic-gate if (len > (*lengthp)) { 46947c478bd9Sstevel@tonic-gate *lengthp = len; 46957c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 46967c478bd9Sstevel@tonic-gate } 46977c478bd9Sstevel@tonic-gate 46987c478bd9Sstevel@tonic-gate buffer = valuep; 46997c478bd9Sstevel@tonic-gate break; 47007c478bd9Sstevel@tonic-gate 47017c478bd9Sstevel@tonic-gate default: 47027c478bd9Sstevel@tonic-gate break; 47037c478bd9Sstevel@tonic-gate } 47047c478bd9Sstevel@tonic-gate 47057c478bd9Sstevel@tonic-gate /* 47067c478bd9Sstevel@tonic-gate * Call the PROM function to do the copy. 47077c478bd9Sstevel@tonic-gate */ 4708fa9e4066Sahrens (void) prom_getprop((pnode_t)DEVI(ch_dip)->devi_nodeid, 4709184cd04cScth name, buffer); 47107c478bd9Sstevel@tonic-gate 47117c478bd9Sstevel@tonic-gate *lengthp = len; /* return the actual length to the caller */ 47127c478bd9Sstevel@tonic-gate (void) impl_fix_props(dip, ch_dip, name, len, buffer); 47137c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47177c478bd9Sstevel@tonic-gate } 47187c478bd9Sstevel@tonic-gate 47197c478bd9Sstevel@tonic-gate /* 47207c478bd9Sstevel@tonic-gate * The ddi_bus_prop_op default bus nexus prop op function. 47217c478bd9Sstevel@tonic-gate * 47227c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, 47237c478bd9Sstevel@tonic-gate * on behalf of child, then, if appropriate, ascend and check 47247c478bd9Sstevel@tonic-gate * my own software defined properties... 47257c478bd9Sstevel@tonic-gate */ 47267c478bd9Sstevel@tonic-gate int 47277c478bd9Sstevel@tonic-gate ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 47287c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 47297c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 47307c478bd9Sstevel@tonic-gate { 47317c478bd9Sstevel@tonic-gate int error; 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate error = impl_ddi_bus_prop_op(dev, dip, ch_dip, prop_op, mod_flags, 4734184cd04cScth name, valuep, lengthp); 47357c478bd9Sstevel@tonic-gate 47367c478bd9Sstevel@tonic-gate if (error == DDI_PROP_SUCCESS || error == DDI_PROP_FOUND_1275 || 47377c478bd9Sstevel@tonic-gate error == DDI_PROP_BUF_TOO_SMALL) 47387c478bd9Sstevel@tonic-gate return (error); 47397c478bd9Sstevel@tonic-gate 47407c478bd9Sstevel@tonic-gate if (error == DDI_PROP_NO_MEMORY) { 47417c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 47427c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 47437c478bd9Sstevel@tonic-gate } 47447c478bd9Sstevel@tonic-gate 47457c478bd9Sstevel@tonic-gate /* 47467c478bd9Sstevel@tonic-gate * Check the 'options' node as a last resort 47477c478bd9Sstevel@tonic-gate */ 47487c478bd9Sstevel@tonic-gate if ((mod_flags & DDI_PROP_DONTPASS) != 0) 47497c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47507c478bd9Sstevel@tonic-gate 47517c478bd9Sstevel@tonic-gate if (ch_dip == ddi_root_node()) { 47527c478bd9Sstevel@tonic-gate /* 47537c478bd9Sstevel@tonic-gate * As a last resort, when we've reached 47547c478bd9Sstevel@tonic-gate * the top and still haven't found the 47557c478bd9Sstevel@tonic-gate * property, see if the desired property 47567c478bd9Sstevel@tonic-gate * is attached to the options node. 47577c478bd9Sstevel@tonic-gate * 47587c478bd9Sstevel@tonic-gate * The options dip is attached right after boot. 47597c478bd9Sstevel@tonic-gate */ 47607c478bd9Sstevel@tonic-gate ASSERT(options_dip != NULL); 47617c478bd9Sstevel@tonic-gate /* 47627c478bd9Sstevel@tonic-gate * Force the "don't pass" flag to *just* see 47637c478bd9Sstevel@tonic-gate * what the options node has to offer. 47647c478bd9Sstevel@tonic-gate */ 47657c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, options_dip, prop_op, 47667c478bd9Sstevel@tonic-gate mod_flags|DDI_PROP_DONTPASS, name, valuep, 47677c478bd9Sstevel@tonic-gate (uint_t *)lengthp)); 47687c478bd9Sstevel@tonic-gate } 47697c478bd9Sstevel@tonic-gate 47707c478bd9Sstevel@tonic-gate /* 47717c478bd9Sstevel@tonic-gate * Otherwise, continue search with parent's s/w defined properties... 47727c478bd9Sstevel@tonic-gate * NOTE: Using `dip' in following call increments the level. 47737c478bd9Sstevel@tonic-gate */ 47747c478bd9Sstevel@tonic-gate 47757c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, dip, prop_op, mod_flags, 47767c478bd9Sstevel@tonic-gate name, valuep, (uint_t *)lengthp)); 47777c478bd9Sstevel@tonic-gate } 47787c478bd9Sstevel@tonic-gate 47797c478bd9Sstevel@tonic-gate /* 47807c478bd9Sstevel@tonic-gate * External property functions used by other parts of the kernel... 47817c478bd9Sstevel@tonic-gate */ 47827c478bd9Sstevel@tonic-gate 47837c478bd9Sstevel@tonic-gate /* 47847c478bd9Sstevel@tonic-gate * e_ddi_getlongprop: See comments for ddi_get_longprop. 47857c478bd9Sstevel@tonic-gate */ 47867c478bd9Sstevel@tonic-gate 47877c478bd9Sstevel@tonic-gate int 47887c478bd9Sstevel@tonic-gate e_ddi_getlongprop(dev_t dev, vtype_t type, char *name, int flags, 47897c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 47907c478bd9Sstevel@tonic-gate { 47917c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 47927c478bd9Sstevel@tonic-gate dev_info_t *devi; 47937c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_ALLOC; 47947c478bd9Sstevel@tonic-gate int error; 47957c478bd9Sstevel@tonic-gate 47967c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47977c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47987c478bd9Sstevel@tonic-gate 47997c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 48007c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48017c478bd9Sstevel@tonic-gate return (error); 48027c478bd9Sstevel@tonic-gate } 48037c478bd9Sstevel@tonic-gate 48047c478bd9Sstevel@tonic-gate /* 48057c478bd9Sstevel@tonic-gate * e_ddi_getlongprop_buf: See comments for ddi_getlongprop_buf. 48067c478bd9Sstevel@tonic-gate */ 48077c478bd9Sstevel@tonic-gate 48087c478bd9Sstevel@tonic-gate int 48097c478bd9Sstevel@tonic-gate e_ddi_getlongprop_buf(dev_t dev, vtype_t type, char *name, int flags, 48107c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 48117c478bd9Sstevel@tonic-gate { 48127c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48137c478bd9Sstevel@tonic-gate dev_info_t *devi; 48147c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48157c478bd9Sstevel@tonic-gate int error; 48167c478bd9Sstevel@tonic-gate 48177c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48187c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 48197c478bd9Sstevel@tonic-gate 48207c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 48217c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48227c478bd9Sstevel@tonic-gate return (error); 48237c478bd9Sstevel@tonic-gate } 48247c478bd9Sstevel@tonic-gate 48257c478bd9Sstevel@tonic-gate /* 48267c478bd9Sstevel@tonic-gate * e_ddi_getprop: See comments for ddi_getprop. 48277c478bd9Sstevel@tonic-gate */ 48287c478bd9Sstevel@tonic-gate int 48297c478bd9Sstevel@tonic-gate e_ddi_getprop(dev_t dev, vtype_t type, char *name, int flags, int defvalue) 48307c478bd9Sstevel@tonic-gate { 48317c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48327c478bd9Sstevel@tonic-gate dev_info_t *devi; 48337c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48347c478bd9Sstevel@tonic-gate int propvalue = defvalue; 48357c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 48367c478bd9Sstevel@tonic-gate int error; 48377c478bd9Sstevel@tonic-gate 48387c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48397c478bd9Sstevel@tonic-gate return (defvalue); 48407c478bd9Sstevel@tonic-gate 48417c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, 48427c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 48437c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48447c478bd9Sstevel@tonic-gate 48457c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 48467c478bd9Sstevel@tonic-gate propvalue = 1; 48477c478bd9Sstevel@tonic-gate 48487c478bd9Sstevel@tonic-gate return (propvalue); 48497c478bd9Sstevel@tonic-gate } 48507c478bd9Sstevel@tonic-gate 48517c478bd9Sstevel@tonic-gate /* 48527c478bd9Sstevel@tonic-gate * e_ddi_getprop_int64: 48537c478bd9Sstevel@tonic-gate * 48547c478bd9Sstevel@tonic-gate * This is a typed interfaces, but predates typed properties. With the 48557c478bd9Sstevel@tonic-gate * introduction of typed properties the framework tries to ensure 48567c478bd9Sstevel@tonic-gate * consistent use of typed interfaces. This is why TYPE_INT64 is not 48577c478bd9Sstevel@tonic-gate * part of TYPE_ANY. E_ddi_getprop_int64 is a special case where a 48587c478bd9Sstevel@tonic-gate * typed interface invokes legacy (non-typed) interfaces: 48597c478bd9Sstevel@tonic-gate * cdev_prop_op(), prop_op(9E), ddi_prop_op(9F)). In this case the 48607c478bd9Sstevel@tonic-gate * fact that TYPE_INT64 is not part of TYPE_ANY matters. To support 48617c478bd9Sstevel@tonic-gate * this type of lookup as a single operation we invoke the legacy 48627c478bd9Sstevel@tonic-gate * non-typed interfaces with the special CONSUMER_TYPED bit set. The 48637c478bd9Sstevel@tonic-gate * framework ddi_prop_op(9F) implementation is expected to check for 48647c478bd9Sstevel@tonic-gate * CONSUMER_TYPED and, if set, expand type bits beyond TYPE_ANY 48657c478bd9Sstevel@tonic-gate * (currently TYPE_INT64). 48667c478bd9Sstevel@tonic-gate */ 48677c478bd9Sstevel@tonic-gate int64_t 48687c478bd9Sstevel@tonic-gate e_ddi_getprop_int64(dev_t dev, vtype_t type, char *name, 48697c478bd9Sstevel@tonic-gate int flags, int64_t defvalue) 48707c478bd9Sstevel@tonic-gate { 48717c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48727c478bd9Sstevel@tonic-gate dev_info_t *devi; 48737c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48747c478bd9Sstevel@tonic-gate int64_t propvalue = defvalue; 48757c478bd9Sstevel@tonic-gate int proplength = sizeof (propvalue); 48767c478bd9Sstevel@tonic-gate int error; 48777c478bd9Sstevel@tonic-gate 48787c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48797c478bd9Sstevel@tonic-gate return (defvalue); 48807c478bd9Sstevel@tonic-gate 48817c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags | 48827c478bd9Sstevel@tonic-gate DDI_PROP_CONSUMER_TYPED, name, (caddr_t)&propvalue, &proplength); 48837c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48847c478bd9Sstevel@tonic-gate 48857c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 48867c478bd9Sstevel@tonic-gate propvalue = 1; 48877c478bd9Sstevel@tonic-gate 48887c478bd9Sstevel@tonic-gate return (propvalue); 48897c478bd9Sstevel@tonic-gate } 48907c478bd9Sstevel@tonic-gate 48917c478bd9Sstevel@tonic-gate /* 48927c478bd9Sstevel@tonic-gate * e_ddi_getproplen: See comments for ddi_getproplen. 48937c478bd9Sstevel@tonic-gate */ 48947c478bd9Sstevel@tonic-gate int 48957c478bd9Sstevel@tonic-gate e_ddi_getproplen(dev_t dev, vtype_t type, char *name, int flags, int *lengthp) 48967c478bd9Sstevel@tonic-gate { 48977c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48987c478bd9Sstevel@tonic-gate dev_info_t *devi; 48997c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN; 49007c478bd9Sstevel@tonic-gate int error; 49017c478bd9Sstevel@tonic-gate 49027c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 49037c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 49047c478bd9Sstevel@tonic-gate 49057c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, NULL, lengthp); 49067c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 49077c478bd9Sstevel@tonic-gate return (error); 49087c478bd9Sstevel@tonic-gate } 49097c478bd9Sstevel@tonic-gate 49107c478bd9Sstevel@tonic-gate /* 49117c478bd9Sstevel@tonic-gate * Routines to get at elements of the dev_info structure 49127c478bd9Sstevel@tonic-gate */ 49137c478bd9Sstevel@tonic-gate 49147c478bd9Sstevel@tonic-gate /* 49157c478bd9Sstevel@tonic-gate * ddi_binding_name: Return the driver binding name of the devinfo node 49167c478bd9Sstevel@tonic-gate * This is the name the OS used to bind the node to a driver. 49177c478bd9Sstevel@tonic-gate */ 49187c478bd9Sstevel@tonic-gate char * 49197c478bd9Sstevel@tonic-gate ddi_binding_name(dev_info_t *dip) 49207c478bd9Sstevel@tonic-gate { 49217c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 49227c478bd9Sstevel@tonic-gate } 49237c478bd9Sstevel@tonic-gate 49247c478bd9Sstevel@tonic-gate /* 49257c478bd9Sstevel@tonic-gate * ddi_driver_major: Return the major number of the driver that 49265c066ec2SJerry Gilliam * the supplied devinfo is bound to. If not yet bound, 49275c066ec2SJerry Gilliam * DDI_MAJOR_T_NONE. 49285c066ec2SJerry Gilliam * 49295c066ec2SJerry Gilliam * When used by the driver bound to 'devi', this 49305c066ec2SJerry Gilliam * function will reliably return the driver major number. 49315c066ec2SJerry Gilliam * Other ways of determining the driver major number, such as 49325c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_get_name(devi)); 49335c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_binding_name(devi)); 49345c066ec2SJerry Gilliam * can return a different result as the driver/alias binding 49355c066ec2SJerry Gilliam * can change dynamically, and thus should be avoided. 49367c478bd9Sstevel@tonic-gate */ 49377c478bd9Sstevel@tonic-gate major_t 49387c478bd9Sstevel@tonic-gate ddi_driver_major(dev_info_t *devi) 49397c478bd9Sstevel@tonic-gate { 49407c478bd9Sstevel@tonic-gate return (DEVI(devi)->devi_major); 49417c478bd9Sstevel@tonic-gate } 49427c478bd9Sstevel@tonic-gate 49437c478bd9Sstevel@tonic-gate /* 49447c478bd9Sstevel@tonic-gate * ddi_driver_name: Return the normalized driver name. this is the 49457c478bd9Sstevel@tonic-gate * actual driver name 49467c478bd9Sstevel@tonic-gate */ 49477c478bd9Sstevel@tonic-gate const char * 49487c478bd9Sstevel@tonic-gate ddi_driver_name(dev_info_t *devi) 49497c478bd9Sstevel@tonic-gate { 49507c478bd9Sstevel@tonic-gate major_t major; 49517c478bd9Sstevel@tonic-gate 4952a204de77Scth if ((major = ddi_driver_major(devi)) != DDI_MAJOR_T_NONE) 49537c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major)); 49547c478bd9Sstevel@tonic-gate 49557c478bd9Sstevel@tonic-gate return (ddi_node_name(devi)); 49567c478bd9Sstevel@tonic-gate } 49577c478bd9Sstevel@tonic-gate 49587c478bd9Sstevel@tonic-gate /* 49597c478bd9Sstevel@tonic-gate * i_ddi_set_binding_name: Set binding name. 49607c478bd9Sstevel@tonic-gate * 49617c478bd9Sstevel@tonic-gate * Set the binding name to the given name. 49627c478bd9Sstevel@tonic-gate * This routine is for use by the ddi implementation, not by drivers. 49637c478bd9Sstevel@tonic-gate */ 49647c478bd9Sstevel@tonic-gate void 49657c478bd9Sstevel@tonic-gate i_ddi_set_binding_name(dev_info_t *dip, char *name) 49667c478bd9Sstevel@tonic-gate { 49677c478bd9Sstevel@tonic-gate DEVI(dip)->devi_binding_name = name; 49687c478bd9Sstevel@tonic-gate 49697c478bd9Sstevel@tonic-gate } 49707c478bd9Sstevel@tonic-gate 49717c478bd9Sstevel@tonic-gate /* 49727c478bd9Sstevel@tonic-gate * ddi_get_name: A synonym of ddi_binding_name() ... returns a name 49737c478bd9Sstevel@tonic-gate * the implementation has used to bind the node to a driver. 49747c478bd9Sstevel@tonic-gate */ 49757c478bd9Sstevel@tonic-gate char * 49767c478bd9Sstevel@tonic-gate ddi_get_name(dev_info_t *dip) 49777c478bd9Sstevel@tonic-gate { 49787c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 49797c478bd9Sstevel@tonic-gate } 49807c478bd9Sstevel@tonic-gate 49817c478bd9Sstevel@tonic-gate /* 49827c478bd9Sstevel@tonic-gate * ddi_node_name: Return the name property of the devinfo node 49837c478bd9Sstevel@tonic-gate * This may differ from ddi_binding_name if the node name 49847c478bd9Sstevel@tonic-gate * does not define a binding to a driver (i.e. generic names). 49857c478bd9Sstevel@tonic-gate */ 49867c478bd9Sstevel@tonic-gate char * 49877c478bd9Sstevel@tonic-gate ddi_node_name(dev_info_t *dip) 49887c478bd9Sstevel@tonic-gate { 49897c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_node_name); 49907c478bd9Sstevel@tonic-gate } 49917c478bd9Sstevel@tonic-gate 49927c478bd9Sstevel@tonic-gate 49937c478bd9Sstevel@tonic-gate /* 49947c478bd9Sstevel@tonic-gate * ddi_get_nodeid: Get nodeid stored in dev_info structure. 49957c478bd9Sstevel@tonic-gate */ 49967c478bd9Sstevel@tonic-gate int 49977c478bd9Sstevel@tonic-gate ddi_get_nodeid(dev_info_t *dip) 49987c478bd9Sstevel@tonic-gate { 49997c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_nodeid); 50007c478bd9Sstevel@tonic-gate } 50017c478bd9Sstevel@tonic-gate 50027c478bd9Sstevel@tonic-gate int 50037c478bd9Sstevel@tonic-gate ddi_get_instance(dev_info_t *dip) 50047c478bd9Sstevel@tonic-gate { 50057c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_instance); 50067c478bd9Sstevel@tonic-gate } 50077c478bd9Sstevel@tonic-gate 50087c478bd9Sstevel@tonic-gate struct dev_ops * 50097c478bd9Sstevel@tonic-gate ddi_get_driver(dev_info_t *dip) 50107c478bd9Sstevel@tonic-gate { 50117c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_ops); 50127c478bd9Sstevel@tonic-gate } 50137c478bd9Sstevel@tonic-gate 50147c478bd9Sstevel@tonic-gate void 50157c478bd9Sstevel@tonic-gate ddi_set_driver(dev_info_t *dip, struct dev_ops *devo) 50167c478bd9Sstevel@tonic-gate { 50177c478bd9Sstevel@tonic-gate DEVI(dip)->devi_ops = devo; 50187c478bd9Sstevel@tonic-gate } 50197c478bd9Sstevel@tonic-gate 50207c478bd9Sstevel@tonic-gate /* 50217c478bd9Sstevel@tonic-gate * ddi_set_driver_private/ddi_get_driver_private: 50227c478bd9Sstevel@tonic-gate * Get/set device driver private data in devinfo. 50237c478bd9Sstevel@tonic-gate */ 50247c478bd9Sstevel@tonic-gate void 50257c478bd9Sstevel@tonic-gate ddi_set_driver_private(dev_info_t *dip, void *data) 50267c478bd9Sstevel@tonic-gate { 50277c478bd9Sstevel@tonic-gate DEVI(dip)->devi_driver_data = data; 50287c478bd9Sstevel@tonic-gate } 50297c478bd9Sstevel@tonic-gate 50307c478bd9Sstevel@tonic-gate void * 50317c478bd9Sstevel@tonic-gate ddi_get_driver_private(dev_info_t *dip) 50327c478bd9Sstevel@tonic-gate { 50337c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_driver_data); 50347c478bd9Sstevel@tonic-gate } 50357c478bd9Sstevel@tonic-gate 50367c478bd9Sstevel@tonic-gate /* 50377c478bd9Sstevel@tonic-gate * ddi_get_parent, ddi_get_child, ddi_get_next_sibling 50387c478bd9Sstevel@tonic-gate */ 50397c478bd9Sstevel@tonic-gate 50407c478bd9Sstevel@tonic-gate dev_info_t * 50417c478bd9Sstevel@tonic-gate ddi_get_parent(dev_info_t *dip) 50427c478bd9Sstevel@tonic-gate { 50437c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_parent); 50447c478bd9Sstevel@tonic-gate } 50457c478bd9Sstevel@tonic-gate 50467c478bd9Sstevel@tonic-gate dev_info_t * 50477c478bd9Sstevel@tonic-gate ddi_get_child(dev_info_t *dip) 50487c478bd9Sstevel@tonic-gate { 50497c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_child); 50507c478bd9Sstevel@tonic-gate } 50517c478bd9Sstevel@tonic-gate 50527c478bd9Sstevel@tonic-gate dev_info_t * 50537c478bd9Sstevel@tonic-gate ddi_get_next_sibling(dev_info_t *dip) 50547c478bd9Sstevel@tonic-gate { 50557c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_sibling); 50567c478bd9Sstevel@tonic-gate } 50577c478bd9Sstevel@tonic-gate 50587c478bd9Sstevel@tonic-gate dev_info_t * 50597c478bd9Sstevel@tonic-gate ddi_get_next(dev_info_t *dip) 50607c478bd9Sstevel@tonic-gate { 50617c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_next); 50627c478bd9Sstevel@tonic-gate } 50637c478bd9Sstevel@tonic-gate 50647c478bd9Sstevel@tonic-gate void 50657c478bd9Sstevel@tonic-gate ddi_set_next(dev_info_t *dip, dev_info_t *nextdip) 50667c478bd9Sstevel@tonic-gate { 50677c478bd9Sstevel@tonic-gate DEVI(dip)->devi_next = DEVI(nextdip); 50687c478bd9Sstevel@tonic-gate } 50697c478bd9Sstevel@tonic-gate 50707c478bd9Sstevel@tonic-gate /* 50717c478bd9Sstevel@tonic-gate * ddi_root_node: Return root node of devinfo tree 50727c478bd9Sstevel@tonic-gate */ 50737c478bd9Sstevel@tonic-gate 50747c478bd9Sstevel@tonic-gate dev_info_t * 50757c478bd9Sstevel@tonic-gate ddi_root_node(void) 50767c478bd9Sstevel@tonic-gate { 50777c478bd9Sstevel@tonic-gate extern dev_info_t *top_devinfo; 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate return (top_devinfo); 50807c478bd9Sstevel@tonic-gate } 50817c478bd9Sstevel@tonic-gate 50827c478bd9Sstevel@tonic-gate /* 50837c478bd9Sstevel@tonic-gate * Miscellaneous functions: 50847c478bd9Sstevel@tonic-gate */ 50857c478bd9Sstevel@tonic-gate 50867c478bd9Sstevel@tonic-gate /* 50877c478bd9Sstevel@tonic-gate * Implementation specific hooks 50887c478bd9Sstevel@tonic-gate */ 50897c478bd9Sstevel@tonic-gate 50907c478bd9Sstevel@tonic-gate void 50917c478bd9Sstevel@tonic-gate ddi_report_dev(dev_info_t *d) 50927c478bd9Sstevel@tonic-gate { 50937c478bd9Sstevel@tonic-gate char *b; 50947c478bd9Sstevel@tonic-gate 50957c478bd9Sstevel@tonic-gate (void) ddi_ctlops(d, d, DDI_CTLOPS_REPORTDEV, (void *)0, (void *)0); 50967c478bd9Sstevel@tonic-gate 50977c478bd9Sstevel@tonic-gate /* 50987c478bd9Sstevel@tonic-gate * If this devinfo node has cb_ops, it's implicitly accessible from 50997c478bd9Sstevel@tonic-gate * userland, so we print its full name together with the instance 51007c478bd9Sstevel@tonic-gate * number 'abbreviation' that the driver may use internally. 51017c478bd9Sstevel@tonic-gate */ 51027c478bd9Sstevel@tonic-gate if (DEVI(d)->devi_ops->devo_cb_ops != (struct cb_ops *)0 && 51037c478bd9Sstevel@tonic-gate (b = kmem_zalloc(MAXPATHLEN, KM_NOSLEEP))) { 51047c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?%s%d is %s\n", 51057c478bd9Sstevel@tonic-gate ddi_driver_name(d), ddi_get_instance(d), 51067c478bd9Sstevel@tonic-gate ddi_pathname(d, b)); 51077c478bd9Sstevel@tonic-gate kmem_free(b, MAXPATHLEN); 51087c478bd9Sstevel@tonic-gate } 51097c478bd9Sstevel@tonic-gate } 51107c478bd9Sstevel@tonic-gate 51117c478bd9Sstevel@tonic-gate /* 51127c478bd9Sstevel@tonic-gate * ddi_ctlops() is described in the assembler not to buy a new register 51137c478bd9Sstevel@tonic-gate * window when it's called and can reduce cost in climbing the device tree 51147c478bd9Sstevel@tonic-gate * without using the tail call optimization. 51157c478bd9Sstevel@tonic-gate */ 51167c478bd9Sstevel@tonic-gate int 51177c478bd9Sstevel@tonic-gate ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *result) 51187c478bd9Sstevel@tonic-gate { 51197c478bd9Sstevel@tonic-gate int ret; 51207c478bd9Sstevel@tonic-gate 51217c478bd9Sstevel@tonic-gate ret = ddi_ctlops(dev, dev, DDI_CTLOPS_REGSIZE, 51227c478bd9Sstevel@tonic-gate (void *)&rnumber, (void *)result); 51237c478bd9Sstevel@tonic-gate 51247c478bd9Sstevel@tonic-gate return (ret == DDI_SUCCESS ? DDI_SUCCESS : DDI_FAILURE); 51257c478bd9Sstevel@tonic-gate } 51267c478bd9Sstevel@tonic-gate 51277c478bd9Sstevel@tonic-gate int 51287c478bd9Sstevel@tonic-gate ddi_dev_nregs(dev_info_t *dev, int *result) 51297c478bd9Sstevel@tonic-gate { 51307c478bd9Sstevel@tonic-gate return (ddi_ctlops(dev, dev, DDI_CTLOPS_NREGS, 0, (void *)result)); 51317c478bd9Sstevel@tonic-gate } 51327c478bd9Sstevel@tonic-gate 51337c478bd9Sstevel@tonic-gate int 51347c478bd9Sstevel@tonic-gate ddi_dev_is_sid(dev_info_t *d) 51357c478bd9Sstevel@tonic-gate { 51367c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SIDDEV, (void *)0, (void *)0)); 51377c478bd9Sstevel@tonic-gate } 51387c478bd9Sstevel@tonic-gate 51397c478bd9Sstevel@tonic-gate int 51407c478bd9Sstevel@tonic-gate ddi_slaveonly(dev_info_t *d) 51417c478bd9Sstevel@tonic-gate { 51427c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SLAVEONLY, (void *)0, (void *)0)); 51437c478bd9Sstevel@tonic-gate } 51447c478bd9Sstevel@tonic-gate 51457c478bd9Sstevel@tonic-gate int 51467c478bd9Sstevel@tonic-gate ddi_dev_affinity(dev_info_t *a, dev_info_t *b) 51477c478bd9Sstevel@tonic-gate { 51487c478bd9Sstevel@tonic-gate return (ddi_ctlops(a, a, DDI_CTLOPS_AFFINITY, (void *)b, (void *)0)); 51497c478bd9Sstevel@tonic-gate } 51507c478bd9Sstevel@tonic-gate 51517c478bd9Sstevel@tonic-gate int 51527c478bd9Sstevel@tonic-gate ddi_streams_driver(dev_info_t *dip) 51537c478bd9Sstevel@tonic-gate { 5154737d277aScth if (i_ddi_devi_attached(dip) && 51557c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops != NULL) && 51567c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops->cb_str != NULL)) 51577c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 51587c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 51597c478bd9Sstevel@tonic-gate } 51607c478bd9Sstevel@tonic-gate 51617c478bd9Sstevel@tonic-gate /* 51627c478bd9Sstevel@tonic-gate * callback free list 51637c478bd9Sstevel@tonic-gate */ 51647c478bd9Sstevel@tonic-gate 51657c478bd9Sstevel@tonic-gate static int ncallbacks; 51667c478bd9Sstevel@tonic-gate static int nc_low = 170; 51677c478bd9Sstevel@tonic-gate static int nc_med = 512; 51687c478bd9Sstevel@tonic-gate static int nc_high = 2048; 51697c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackq; 51707c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackqfree; 51717c478bd9Sstevel@tonic-gate 51727c478bd9Sstevel@tonic-gate /* 51737c478bd9Sstevel@tonic-gate * set/run callback lists 51747c478bd9Sstevel@tonic-gate */ 51757c478bd9Sstevel@tonic-gate struct cbstats { 51767c478bd9Sstevel@tonic-gate kstat_named_t cb_asked; 51777c478bd9Sstevel@tonic-gate kstat_named_t cb_new; 51787c478bd9Sstevel@tonic-gate kstat_named_t cb_run; 51797c478bd9Sstevel@tonic-gate kstat_named_t cb_delete; 51807c478bd9Sstevel@tonic-gate kstat_named_t cb_maxreq; 51817c478bd9Sstevel@tonic-gate kstat_named_t cb_maxlist; 51827c478bd9Sstevel@tonic-gate kstat_named_t cb_alloc; 51837c478bd9Sstevel@tonic-gate kstat_named_t cb_runouts; 51847c478bd9Sstevel@tonic-gate kstat_named_t cb_L2; 51857c478bd9Sstevel@tonic-gate kstat_named_t cb_grow; 51867c478bd9Sstevel@tonic-gate } cbstats = { 51877c478bd9Sstevel@tonic-gate {"asked", KSTAT_DATA_UINT32}, 51887c478bd9Sstevel@tonic-gate {"new", KSTAT_DATA_UINT32}, 51897c478bd9Sstevel@tonic-gate {"run", KSTAT_DATA_UINT32}, 51907c478bd9Sstevel@tonic-gate {"delete", KSTAT_DATA_UINT32}, 51917c478bd9Sstevel@tonic-gate {"maxreq", KSTAT_DATA_UINT32}, 51927c478bd9Sstevel@tonic-gate {"maxlist", KSTAT_DATA_UINT32}, 51937c478bd9Sstevel@tonic-gate {"alloc", KSTAT_DATA_UINT32}, 51947c478bd9Sstevel@tonic-gate {"runouts", KSTAT_DATA_UINT32}, 51957c478bd9Sstevel@tonic-gate {"L2", KSTAT_DATA_UINT32}, 51967c478bd9Sstevel@tonic-gate {"grow", KSTAT_DATA_UINT32}, 51977c478bd9Sstevel@tonic-gate }; 51987c478bd9Sstevel@tonic-gate 51997c478bd9Sstevel@tonic-gate #define nc_asked cb_asked.value.ui32 52007c478bd9Sstevel@tonic-gate #define nc_new cb_new.value.ui32 52017c478bd9Sstevel@tonic-gate #define nc_run cb_run.value.ui32 52027c478bd9Sstevel@tonic-gate #define nc_delete cb_delete.value.ui32 52037c478bd9Sstevel@tonic-gate #define nc_maxreq cb_maxreq.value.ui32 52047c478bd9Sstevel@tonic-gate #define nc_maxlist cb_maxlist.value.ui32 52057c478bd9Sstevel@tonic-gate #define nc_alloc cb_alloc.value.ui32 52067c478bd9Sstevel@tonic-gate #define nc_runouts cb_runouts.value.ui32 52077c478bd9Sstevel@tonic-gate #define nc_L2 cb_L2.value.ui32 52087c478bd9Sstevel@tonic-gate #define nc_grow cb_grow.value.ui32 52097c478bd9Sstevel@tonic-gate 52107c478bd9Sstevel@tonic-gate static kmutex_t ddi_callback_mutex; 52117c478bd9Sstevel@tonic-gate 52127c478bd9Sstevel@tonic-gate /* 52137c478bd9Sstevel@tonic-gate * callbacks are handled using a L1/L2 cache. The L1 cache 52147c478bd9Sstevel@tonic-gate * comes out of kmem_cache_alloc and can expand/shrink dynamically. If 52157c478bd9Sstevel@tonic-gate * we can't get callbacks from the L1 cache [because pageout is doing 52167c478bd9Sstevel@tonic-gate * I/O at the time freemem is 0], we allocate callbacks out of the 52177c478bd9Sstevel@tonic-gate * L2 cache. The L2 cache is static and depends on the memory size. 52187c478bd9Sstevel@tonic-gate * [We might also count the number of devices at probe time and 52197c478bd9Sstevel@tonic-gate * allocate one structure per device and adjust for deferred attach] 52207c478bd9Sstevel@tonic-gate */ 52217c478bd9Sstevel@tonic-gate void 52227c478bd9Sstevel@tonic-gate impl_ddi_callback_init(void) 52237c478bd9Sstevel@tonic-gate { 52247c478bd9Sstevel@tonic-gate int i; 52257c478bd9Sstevel@tonic-gate uint_t physmegs; 52267c478bd9Sstevel@tonic-gate kstat_t *ksp; 52277c478bd9Sstevel@tonic-gate 52287c478bd9Sstevel@tonic-gate physmegs = physmem >> (20 - PAGESHIFT); 52297c478bd9Sstevel@tonic-gate if (physmegs < 48) { 52307c478bd9Sstevel@tonic-gate ncallbacks = nc_low; 52317c478bd9Sstevel@tonic-gate } else if (physmegs < 128) { 52327c478bd9Sstevel@tonic-gate ncallbacks = nc_med; 52337c478bd9Sstevel@tonic-gate } else { 52347c478bd9Sstevel@tonic-gate ncallbacks = nc_high; 52357c478bd9Sstevel@tonic-gate } 52367c478bd9Sstevel@tonic-gate 52377c478bd9Sstevel@tonic-gate /* 52387c478bd9Sstevel@tonic-gate * init free list 52397c478bd9Sstevel@tonic-gate */ 52407c478bd9Sstevel@tonic-gate callbackq = kmem_zalloc( 52417c478bd9Sstevel@tonic-gate ncallbacks * sizeof (struct ddi_callback), KM_SLEEP); 52427c478bd9Sstevel@tonic-gate for (i = 0; i < ncallbacks-1; i++) 52437c478bd9Sstevel@tonic-gate callbackq[i].c_nfree = &callbackq[i+1]; 52447c478bd9Sstevel@tonic-gate callbackqfree = callbackq; 52457c478bd9Sstevel@tonic-gate 52467c478bd9Sstevel@tonic-gate /* init kstats */ 52477c478bd9Sstevel@tonic-gate if (ksp = kstat_create("unix", 0, "cbstats", "misc", KSTAT_TYPE_NAMED, 52487c478bd9Sstevel@tonic-gate sizeof (cbstats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL)) { 52497c478bd9Sstevel@tonic-gate ksp->ks_data = (void *) &cbstats; 52507c478bd9Sstevel@tonic-gate kstat_install(ksp); 52517c478bd9Sstevel@tonic-gate } 52527c478bd9Sstevel@tonic-gate 52537c478bd9Sstevel@tonic-gate } 52547c478bd9Sstevel@tonic-gate 52557c478bd9Sstevel@tonic-gate static void 52567c478bd9Sstevel@tonic-gate callback_insert(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid, 52577c478bd9Sstevel@tonic-gate int count) 52587c478bd9Sstevel@tonic-gate { 52597c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker, *new; 52607c478bd9Sstevel@tonic-gate size_t size = sizeof (struct ddi_callback); 52617c478bd9Sstevel@tonic-gate 52627c478bd9Sstevel@tonic-gate list = marker = (struct ddi_callback *)*listid; 52637c478bd9Sstevel@tonic-gate while (list != NULL) { 52647c478bd9Sstevel@tonic-gate if (list->c_call == funcp && list->c_arg == arg) { 52657c478bd9Sstevel@tonic-gate list->c_count += count; 52667c478bd9Sstevel@tonic-gate return; 52677c478bd9Sstevel@tonic-gate } 52687c478bd9Sstevel@tonic-gate marker = list; 52697c478bd9Sstevel@tonic-gate list = list->c_nlist; 52707c478bd9Sstevel@tonic-gate } 52717c478bd9Sstevel@tonic-gate new = kmem_alloc(size, KM_NOSLEEP); 52727c478bd9Sstevel@tonic-gate if (new == NULL) { 52737c478bd9Sstevel@tonic-gate new = callbackqfree; 52747c478bd9Sstevel@tonic-gate if (new == NULL) { 52757c478bd9Sstevel@tonic-gate new = kmem_alloc_tryhard(sizeof (struct ddi_callback), 52767c478bd9Sstevel@tonic-gate &size, KM_NOSLEEP | KM_PANIC); 52777c478bd9Sstevel@tonic-gate cbstats.nc_grow++; 52787c478bd9Sstevel@tonic-gate } else { 52797c478bd9Sstevel@tonic-gate callbackqfree = new->c_nfree; 52807c478bd9Sstevel@tonic-gate cbstats.nc_L2++; 52817c478bd9Sstevel@tonic-gate } 52827c478bd9Sstevel@tonic-gate } 52837c478bd9Sstevel@tonic-gate if (marker != NULL) { 52847c478bd9Sstevel@tonic-gate marker->c_nlist = new; 52857c478bd9Sstevel@tonic-gate } else { 52867c478bd9Sstevel@tonic-gate *listid = (uintptr_t)new; 52877c478bd9Sstevel@tonic-gate } 52887c478bd9Sstevel@tonic-gate new->c_size = size; 52897c478bd9Sstevel@tonic-gate new->c_nlist = NULL; 52907c478bd9Sstevel@tonic-gate new->c_call = funcp; 52917c478bd9Sstevel@tonic-gate new->c_arg = arg; 52927c478bd9Sstevel@tonic-gate new->c_count = count; 52937c478bd9Sstevel@tonic-gate cbstats.nc_new++; 52947c478bd9Sstevel@tonic-gate cbstats.nc_alloc++; 52957c478bd9Sstevel@tonic-gate if (cbstats.nc_alloc > cbstats.nc_maxlist) 52967c478bd9Sstevel@tonic-gate cbstats.nc_maxlist = cbstats.nc_alloc; 52977c478bd9Sstevel@tonic-gate } 52987c478bd9Sstevel@tonic-gate 52997c478bd9Sstevel@tonic-gate void 53007c478bd9Sstevel@tonic-gate ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid) 53017c478bd9Sstevel@tonic-gate { 53027c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53037c478bd9Sstevel@tonic-gate cbstats.nc_asked++; 53047c478bd9Sstevel@tonic-gate if ((cbstats.nc_asked - cbstats.nc_run) > cbstats.nc_maxreq) 53057c478bd9Sstevel@tonic-gate cbstats.nc_maxreq = (cbstats.nc_asked - cbstats.nc_run); 53067c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 1); 53077c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53087c478bd9Sstevel@tonic-gate } 53097c478bd9Sstevel@tonic-gate 53107c478bd9Sstevel@tonic-gate static void 53117c478bd9Sstevel@tonic-gate real_callback_run(void *Queue) 53127c478bd9Sstevel@tonic-gate { 53137c478bd9Sstevel@tonic-gate int (*funcp)(caddr_t); 53147c478bd9Sstevel@tonic-gate caddr_t arg; 53157c478bd9Sstevel@tonic-gate int count, rval; 53167c478bd9Sstevel@tonic-gate uintptr_t *listid; 53177c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker; 53187c478bd9Sstevel@tonic-gate int check_pending = 1; 53197c478bd9Sstevel@tonic-gate int pending = 0; 53207c478bd9Sstevel@tonic-gate 53217c478bd9Sstevel@tonic-gate do { 53227c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53237c478bd9Sstevel@tonic-gate listid = Queue; 53247c478bd9Sstevel@tonic-gate list = (struct ddi_callback *)*listid; 53257c478bd9Sstevel@tonic-gate if (list == NULL) { 53267c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53277c478bd9Sstevel@tonic-gate return; 53287c478bd9Sstevel@tonic-gate } 53297c478bd9Sstevel@tonic-gate if (check_pending) { 53307c478bd9Sstevel@tonic-gate marker = list; 53317c478bd9Sstevel@tonic-gate while (marker != NULL) { 53327c478bd9Sstevel@tonic-gate pending += marker->c_count; 53337c478bd9Sstevel@tonic-gate marker = marker->c_nlist; 53347c478bd9Sstevel@tonic-gate } 53357c478bd9Sstevel@tonic-gate check_pending = 0; 53367c478bd9Sstevel@tonic-gate } 53377c478bd9Sstevel@tonic-gate ASSERT(pending > 0); 53387c478bd9Sstevel@tonic-gate ASSERT(list->c_count > 0); 53397c478bd9Sstevel@tonic-gate funcp = list->c_call; 53407c478bd9Sstevel@tonic-gate arg = list->c_arg; 53417c478bd9Sstevel@tonic-gate count = list->c_count; 53427c478bd9Sstevel@tonic-gate *(uintptr_t *)Queue = (uintptr_t)list->c_nlist; 53437c478bd9Sstevel@tonic-gate if (list >= &callbackq[0] && 53447c478bd9Sstevel@tonic-gate list <= &callbackq[ncallbacks-1]) { 53457c478bd9Sstevel@tonic-gate list->c_nfree = callbackqfree; 53467c478bd9Sstevel@tonic-gate callbackqfree = list; 53477c478bd9Sstevel@tonic-gate } else 53487c478bd9Sstevel@tonic-gate kmem_free(list, list->c_size); 53497c478bd9Sstevel@tonic-gate 53507c478bd9Sstevel@tonic-gate cbstats.nc_delete++; 53517c478bd9Sstevel@tonic-gate cbstats.nc_alloc--; 53527c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53537c478bd9Sstevel@tonic-gate 53547c478bd9Sstevel@tonic-gate do { 53557c478bd9Sstevel@tonic-gate if ((rval = (*funcp)(arg)) == 0) { 53567c478bd9Sstevel@tonic-gate pending -= count; 53577c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53587c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 5359184cd04cScth count); 53607c478bd9Sstevel@tonic-gate cbstats.nc_runouts++; 53617c478bd9Sstevel@tonic-gate } else { 53627c478bd9Sstevel@tonic-gate pending--; 53637c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53647c478bd9Sstevel@tonic-gate cbstats.nc_run++; 53657c478bd9Sstevel@tonic-gate } 53667c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53677c478bd9Sstevel@tonic-gate } while (rval != 0 && (--count > 0)); 53687c478bd9Sstevel@tonic-gate } while (pending > 0); 53697c478bd9Sstevel@tonic-gate } 53707c478bd9Sstevel@tonic-gate 53717c478bd9Sstevel@tonic-gate void 53727c478bd9Sstevel@tonic-gate ddi_run_callback(uintptr_t *listid) 53737c478bd9Sstevel@tonic-gate { 53747c478bd9Sstevel@tonic-gate softcall(real_callback_run, listid); 53757c478bd9Sstevel@tonic-gate } 53767c478bd9Sstevel@tonic-gate 5377dd4eeefdSeota /* 5378dd4eeefdSeota * ddi_periodic_t 5379dd4eeefdSeota * ddi_periodic_add(void (*func)(void *), void *arg, hrtime_t interval, 5380dd4eeefdSeota * int level) 5381dd4eeefdSeota * 5382dd4eeefdSeota * INTERFACE LEVEL 5383dd4eeefdSeota * Solaris DDI specific (Solaris DDI) 5384dd4eeefdSeota * 5385dd4eeefdSeota * PARAMETERS 5386dd4eeefdSeota * func: the callback function 5387dd4eeefdSeota * 5388dd4eeefdSeota * The callback function will be invoked. The function is invoked 5389dd4eeefdSeota * in kernel context if the argument level passed is the zero. 5390dd4eeefdSeota * Otherwise it's invoked in interrupt context at the specified 5391dd4eeefdSeota * level. 5392dd4eeefdSeota * 5393dd4eeefdSeota * arg: the argument passed to the callback function 5394dd4eeefdSeota * 5395dd4eeefdSeota * interval: interval time 5396dd4eeefdSeota * 5397dd4eeefdSeota * level : callback interrupt level 5398dd4eeefdSeota * 5399dd4eeefdSeota * If the value is the zero, the callback function is invoked 5400dd4eeefdSeota * in kernel context. If the value is more than the zero, but 5401dd4eeefdSeota * less than or equal to ten, the callback function is invoked in 5402dd4eeefdSeota * interrupt context at the specified interrupt level, which may 5403dd4eeefdSeota * be used for real time applications. 5404dd4eeefdSeota * 5405dd4eeefdSeota * This value must be in range of 0-10, which can be a numeric 5406dd4eeefdSeota * number or a pre-defined macro (DDI_IPL_0, ... , DDI_IPL_10). 5407dd4eeefdSeota * 5408dd4eeefdSeota * DESCRIPTION 5409dd4eeefdSeota * ddi_periodic_add(9F) schedules the specified function to be 5410dd4eeefdSeota * periodically invoked in the interval time. 5411dd4eeefdSeota * 5412dd4eeefdSeota * As well as timeout(9F), the exact time interval over which the function 5413dd4eeefdSeota * takes effect cannot be guaranteed, but the value given is a close 5414dd4eeefdSeota * approximation. 5415dd4eeefdSeota * 5416dd4eeefdSeota * Drivers waiting on behalf of processes with real-time constraints must 5417dd4eeefdSeota * pass non-zero value with the level argument to ddi_periodic_add(9F). 5418dd4eeefdSeota * 5419dd4eeefdSeota * RETURN VALUES 5420dd4eeefdSeota * ddi_periodic_add(9F) returns a non-zero opaque value (ddi_periodic_t), 5421dd4eeefdSeota * which must be used for ddi_periodic_delete(9F) to specify the request. 5422dd4eeefdSeota * 5423dd4eeefdSeota * CONTEXT 5424dd4eeefdSeota * ddi_periodic_add(9F) can be called in user or kernel context, but 5425dd4eeefdSeota * it cannot be called in interrupt context, which is different from 5426dd4eeefdSeota * timeout(9F). 5427dd4eeefdSeota */ 5428dd4eeefdSeota ddi_periodic_t 5429dd4eeefdSeota ddi_periodic_add(void (*func)(void *), void *arg, hrtime_t interval, int level) 5430dd4eeefdSeota { 5431dd4eeefdSeota /* 5432dd4eeefdSeota * Sanity check of the argument level. 5433dd4eeefdSeota */ 5434dd4eeefdSeota if (level < DDI_IPL_0 || level > DDI_IPL_10) 5435dd4eeefdSeota cmn_err(CE_PANIC, 5436dd4eeefdSeota "ddi_periodic_add: invalid interrupt level (%d).", level); 5437dd4eeefdSeota 5438dd4eeefdSeota /* 5439dd4eeefdSeota * Sanity check of the context. ddi_periodic_add() cannot be 5440dd4eeefdSeota * called in either interrupt context or high interrupt context. 5441dd4eeefdSeota */ 5442dd4eeefdSeota if (servicing_interrupt()) 5443dd4eeefdSeota cmn_err(CE_PANIC, 5444dd4eeefdSeota "ddi_periodic_add: called in (high) interrupt context."); 5445dd4eeefdSeota 5446dd4eeefdSeota return ((ddi_periodic_t)i_timeout(func, arg, interval, level)); 5447dd4eeefdSeota } 5448dd4eeefdSeota 5449dd4eeefdSeota /* 5450dd4eeefdSeota * void 5451dd4eeefdSeota * ddi_periodic_delete(ddi_periodic_t req) 5452dd4eeefdSeota * 5453dd4eeefdSeota * INTERFACE LEVEL 5454dd4eeefdSeota * Solaris DDI specific (Solaris DDI) 5455dd4eeefdSeota * 5456dd4eeefdSeota * PARAMETERS 5457dd4eeefdSeota * req: ddi_periodic_t opaque value ddi_periodic_add(9F) returned 5458dd4eeefdSeota * previously. 5459dd4eeefdSeota * 5460dd4eeefdSeota * DESCRIPTION 5461dd4eeefdSeota * ddi_periodic_delete(9F) cancels the ddi_periodic_add(9F) request 5462dd4eeefdSeota * previously requested. 5463dd4eeefdSeota * 5464dd4eeefdSeota * ddi_periodic_delete(9F) will not return until the pending request 5465dd4eeefdSeota * is canceled or executed. 5466dd4eeefdSeota * 5467dd4eeefdSeota * As well as untimeout(9F), calling ddi_periodic_delete(9F) for a 5468dd4eeefdSeota * timeout which is either running on another CPU, or has already 5469dd4eeefdSeota * completed causes no problems. However, unlike untimeout(9F), there is 5470dd4eeefdSeota * no restrictions on the lock which might be held across the call to 5471dd4eeefdSeota * ddi_periodic_delete(9F). 5472dd4eeefdSeota * 5473dd4eeefdSeota * Drivers should be structured with the understanding that the arrival of 5474dd4eeefdSeota * both an interrupt and a timeout for that interrupt can occasionally 5475dd4eeefdSeota * occur, in either order. 5476dd4eeefdSeota * 5477dd4eeefdSeota * CONTEXT 5478dd4eeefdSeota * ddi_periodic_delete(9F) can be called in user or kernel context, but 5479dd4eeefdSeota * it cannot be called in interrupt context, which is different from 5480dd4eeefdSeota * untimeout(9F). 5481dd4eeefdSeota */ 5482dd4eeefdSeota void 5483dd4eeefdSeota ddi_periodic_delete(ddi_periodic_t req) 5484dd4eeefdSeota { 5485dd4eeefdSeota /* 5486dd4eeefdSeota * Sanity check of the context. ddi_periodic_delete() cannot be 5487dd4eeefdSeota * called in either interrupt context or high interrupt context. 5488dd4eeefdSeota */ 5489dd4eeefdSeota if (servicing_interrupt()) 5490dd4eeefdSeota cmn_err(CE_PANIC, 5491dd4eeefdSeota "ddi_periodic_delete: called in (high) interrupt context."); 5492dd4eeefdSeota 5493dd4eeefdSeota i_untimeout((timeout_t)req); 5494dd4eeefdSeota } 5495dd4eeefdSeota 54967c478bd9Sstevel@tonic-gate dev_info_t * 54977c478bd9Sstevel@tonic-gate nodevinfo(dev_t dev, int otyp) 54987c478bd9Sstevel@tonic-gate { 54997c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, otyp)) 55007c478bd9Sstevel@tonic-gate return ((dev_info_t *)0); 55017c478bd9Sstevel@tonic-gate } 55027c478bd9Sstevel@tonic-gate 55037c478bd9Sstevel@tonic-gate /* 55047c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 55057c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that don't expect their 55067c478bd9Sstevel@tonic-gate * getinfo(9E) entry point to be called. A driver that uses this must not 55077c478bd9Sstevel@tonic-gate * call ddi_create_minor_node. 55087c478bd9Sstevel@tonic-gate */ 55097c478bd9Sstevel@tonic-gate int 55107c478bd9Sstevel@tonic-gate ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 55117c478bd9Sstevel@tonic-gate { 55127c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, infocmd, arg, result)) 55137c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55147c478bd9Sstevel@tonic-gate } 55157c478bd9Sstevel@tonic-gate 55167c478bd9Sstevel@tonic-gate /* 55177c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 55187c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that where the minor number 55197c478bd9Sstevel@tonic-gate * is the instance. Drivers that do not have 1:1 mapping must implement 55207c478bd9Sstevel@tonic-gate * their own getinfo(9E) function. 55217c478bd9Sstevel@tonic-gate */ 55227c478bd9Sstevel@tonic-gate int 55237c478bd9Sstevel@tonic-gate ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 55247c478bd9Sstevel@tonic-gate void *arg, void **result) 55257c478bd9Sstevel@tonic-gate { 55267c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip)) 55277c478bd9Sstevel@tonic-gate int instance; 55287c478bd9Sstevel@tonic-gate 55297c478bd9Sstevel@tonic-gate if (infocmd != DDI_INFO_DEVT2INSTANCE) 55307c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55317c478bd9Sstevel@tonic-gate 55327c478bd9Sstevel@tonic-gate instance = getminor((dev_t)(uintptr_t)arg); 55337c478bd9Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 55347c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 55357c478bd9Sstevel@tonic-gate } 55367c478bd9Sstevel@tonic-gate 55377c478bd9Sstevel@tonic-gate int 55387c478bd9Sstevel@tonic-gate ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd) 55397c478bd9Sstevel@tonic-gate { 55407c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(devi, cmd)) 55417c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55427c478bd9Sstevel@tonic-gate } 55437c478bd9Sstevel@tonic-gate 55447c478bd9Sstevel@tonic-gate int 55457c478bd9Sstevel@tonic-gate ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 55467c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 55477c478bd9Sstevel@tonic-gate { 55487c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, dmareqp, handlep)) 55497c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 55507c478bd9Sstevel@tonic-gate } 55517c478bd9Sstevel@tonic-gate 55527c478bd9Sstevel@tonic-gate int 55537c478bd9Sstevel@tonic-gate ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 55547c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 55557c478bd9Sstevel@tonic-gate { 55567c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, attr, waitfp, arg, handlep)) 55577c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 55587c478bd9Sstevel@tonic-gate } 55597c478bd9Sstevel@tonic-gate 55607c478bd9Sstevel@tonic-gate int 55617c478bd9Sstevel@tonic-gate ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 55627c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 55637c478bd9Sstevel@tonic-gate { 55647c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 55657c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55667c478bd9Sstevel@tonic-gate } 55677c478bd9Sstevel@tonic-gate 55687c478bd9Sstevel@tonic-gate int 55697c478bd9Sstevel@tonic-gate ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 55707c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 55717c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 55727c478bd9Sstevel@tonic-gate { 55737c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, dmareq, cp, ccountp)) 55747c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 55757c478bd9Sstevel@tonic-gate } 55767c478bd9Sstevel@tonic-gate 55777c478bd9Sstevel@tonic-gate int 55787c478bd9Sstevel@tonic-gate ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 55797c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 55807c478bd9Sstevel@tonic-gate { 55817c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 55827c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55837c478bd9Sstevel@tonic-gate } 55847c478bd9Sstevel@tonic-gate 55857c478bd9Sstevel@tonic-gate int 55867c478bd9Sstevel@tonic-gate ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 55877c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 55887c478bd9Sstevel@tonic-gate uint_t cache_flags) 55897c478bd9Sstevel@tonic-gate { 55907c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, off, len, cache_flags)) 55917c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55927c478bd9Sstevel@tonic-gate } 55937c478bd9Sstevel@tonic-gate 55947c478bd9Sstevel@tonic-gate int 55957c478bd9Sstevel@tonic-gate ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 55967c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 55977c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 55987c478bd9Sstevel@tonic-gate { 55997c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, win, offp, lenp, cookiep, ccountp)) 56007c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 56017c478bd9Sstevel@tonic-gate } 56027c478bd9Sstevel@tonic-gate 56037c478bd9Sstevel@tonic-gate int 56047c478bd9Sstevel@tonic-gate ddi_no_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 56057c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 56067c478bd9Sstevel@tonic-gate off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 56077c478bd9Sstevel@tonic-gate { 56087c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, request, offp, lenp, objp, flags)) 56097c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 56107c478bd9Sstevel@tonic-gate } 56117c478bd9Sstevel@tonic-gate 56127c478bd9Sstevel@tonic-gate void 56137c478bd9Sstevel@tonic-gate ddivoid(void) 56147c478bd9Sstevel@tonic-gate {} 56157c478bd9Sstevel@tonic-gate 56167c478bd9Sstevel@tonic-gate int 56177c478bd9Sstevel@tonic-gate nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 56187c478bd9Sstevel@tonic-gate struct pollhead **pollhdrp) 56197c478bd9Sstevel@tonic-gate { 56207c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, events, anyyet, reventsp, pollhdrp)) 56217c478bd9Sstevel@tonic-gate return (ENXIO); 56227c478bd9Sstevel@tonic-gate } 56237c478bd9Sstevel@tonic-gate 56247c478bd9Sstevel@tonic-gate cred_t * 56257c478bd9Sstevel@tonic-gate ddi_get_cred(void) 56267c478bd9Sstevel@tonic-gate { 56277c478bd9Sstevel@tonic-gate return (CRED()); 56287c478bd9Sstevel@tonic-gate } 56297c478bd9Sstevel@tonic-gate 56307c478bd9Sstevel@tonic-gate clock_t 56317c478bd9Sstevel@tonic-gate ddi_get_lbolt(void) 56327c478bd9Sstevel@tonic-gate { 56337c478bd9Sstevel@tonic-gate return (lbolt); 56347c478bd9Sstevel@tonic-gate } 56357c478bd9Sstevel@tonic-gate 56367c478bd9Sstevel@tonic-gate time_t 56377c478bd9Sstevel@tonic-gate ddi_get_time(void) 56387c478bd9Sstevel@tonic-gate { 56397c478bd9Sstevel@tonic-gate time_t now; 56407c478bd9Sstevel@tonic-gate 56417c478bd9Sstevel@tonic-gate if ((now = gethrestime_sec()) == 0) { 56427c478bd9Sstevel@tonic-gate timestruc_t ts; 56437c478bd9Sstevel@tonic-gate mutex_enter(&tod_lock); 56447c478bd9Sstevel@tonic-gate ts = tod_get(); 56457c478bd9Sstevel@tonic-gate mutex_exit(&tod_lock); 56467c478bd9Sstevel@tonic-gate return (ts.tv_sec); 56477c478bd9Sstevel@tonic-gate } else { 56487c478bd9Sstevel@tonic-gate return (now); 56497c478bd9Sstevel@tonic-gate } 56507c478bd9Sstevel@tonic-gate } 56517c478bd9Sstevel@tonic-gate 56527c478bd9Sstevel@tonic-gate pid_t 56537c478bd9Sstevel@tonic-gate ddi_get_pid(void) 56547c478bd9Sstevel@tonic-gate { 56557c478bd9Sstevel@tonic-gate return (ttoproc(curthread)->p_pid); 56567c478bd9Sstevel@tonic-gate } 56577c478bd9Sstevel@tonic-gate 56587c478bd9Sstevel@tonic-gate kt_did_t 56597c478bd9Sstevel@tonic-gate ddi_get_kt_did(void) 56607c478bd9Sstevel@tonic-gate { 56617c478bd9Sstevel@tonic-gate return (curthread->t_did); 56627c478bd9Sstevel@tonic-gate } 56637c478bd9Sstevel@tonic-gate 56647c478bd9Sstevel@tonic-gate /* 56657c478bd9Sstevel@tonic-gate * This function returns B_TRUE if the caller can reasonably expect that a call 56667c478bd9Sstevel@tonic-gate * to cv_wait_sig(9F), cv_timedwait_sig(9F), or qwait_sig(9F) could be awakened 56677c478bd9Sstevel@tonic-gate * by user-level signal. If it returns B_FALSE, then the caller should use 56687c478bd9Sstevel@tonic-gate * other means to make certain that the wait will not hang "forever." 56697c478bd9Sstevel@tonic-gate * 56707c478bd9Sstevel@tonic-gate * It does not check the signal mask, nor for reception of any particular 56717c478bd9Sstevel@tonic-gate * signal. 56727c478bd9Sstevel@tonic-gate * 56737c478bd9Sstevel@tonic-gate * Currently, a thread can receive a signal if it's not a kernel thread and it 56747c478bd9Sstevel@tonic-gate * is not in the middle of exit(2) tear-down. Threads that are in that 56757c478bd9Sstevel@tonic-gate * tear-down effectively convert cv_wait_sig to cv_wait, cv_timedwait_sig to 56767c478bd9Sstevel@tonic-gate * cv_timedwait, and qwait_sig to qwait. 56777c478bd9Sstevel@tonic-gate */ 56787c478bd9Sstevel@tonic-gate boolean_t 56797c478bd9Sstevel@tonic-gate ddi_can_receive_sig(void) 56807c478bd9Sstevel@tonic-gate { 56817c478bd9Sstevel@tonic-gate proc_t *pp; 56827c478bd9Sstevel@tonic-gate 56837c478bd9Sstevel@tonic-gate if (curthread->t_proc_flag & TP_LWPEXIT) 56847c478bd9Sstevel@tonic-gate return (B_FALSE); 56857c478bd9Sstevel@tonic-gate if ((pp = ttoproc(curthread)) == NULL) 56867c478bd9Sstevel@tonic-gate return (B_FALSE); 56877c478bd9Sstevel@tonic-gate return (pp->p_as != &kas); 56887c478bd9Sstevel@tonic-gate } 56897c478bd9Sstevel@tonic-gate 56907c478bd9Sstevel@tonic-gate /* 56917c478bd9Sstevel@tonic-gate * Swap bytes in 16-bit [half-]words 56927c478bd9Sstevel@tonic-gate */ 56937c478bd9Sstevel@tonic-gate void 56947c478bd9Sstevel@tonic-gate swab(void *src, void *dst, size_t nbytes) 56957c478bd9Sstevel@tonic-gate { 56967c478bd9Sstevel@tonic-gate uchar_t *pf = (uchar_t *)src; 56977c478bd9Sstevel@tonic-gate uchar_t *pt = (uchar_t *)dst; 56987c478bd9Sstevel@tonic-gate uchar_t tmp; 56997c478bd9Sstevel@tonic-gate int nshorts; 57007c478bd9Sstevel@tonic-gate 57017c478bd9Sstevel@tonic-gate nshorts = nbytes >> 1; 57027c478bd9Sstevel@tonic-gate 57037c478bd9Sstevel@tonic-gate while (--nshorts >= 0) { 57047c478bd9Sstevel@tonic-gate tmp = *pf++; 57057c478bd9Sstevel@tonic-gate *pt++ = *pf++; 57067c478bd9Sstevel@tonic-gate *pt++ = tmp; 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate } 57097c478bd9Sstevel@tonic-gate 57107c478bd9Sstevel@tonic-gate static void 57117c478bd9Sstevel@tonic-gate ddi_append_minor_node(dev_info_t *ddip, struct ddi_minor_data *dmdp) 57127c478bd9Sstevel@tonic-gate { 5713b9ccdc5aScth int circ; 5714b9ccdc5aScth struct ddi_minor_data *dp; 57157c478bd9Sstevel@tonic-gate 5716b9ccdc5aScth ndi_devi_enter(ddip, &circ); 57177c478bd9Sstevel@tonic-gate if ((dp = DEVI(ddip)->devi_minor) == (struct ddi_minor_data *)NULL) { 57187c478bd9Sstevel@tonic-gate DEVI(ddip)->devi_minor = dmdp; 57197c478bd9Sstevel@tonic-gate } else { 57207c478bd9Sstevel@tonic-gate while (dp->next != (struct ddi_minor_data *)NULL) 57217c478bd9Sstevel@tonic-gate dp = dp->next; 57227c478bd9Sstevel@tonic-gate dp->next = dmdp; 57237c478bd9Sstevel@tonic-gate } 5724b9ccdc5aScth ndi_devi_exit(ddip, circ); 57257c478bd9Sstevel@tonic-gate } 57267c478bd9Sstevel@tonic-gate 57277c478bd9Sstevel@tonic-gate /* 57287c478bd9Sstevel@tonic-gate * Part of the obsolete SunCluster DDI Hooks. 57297c478bd9Sstevel@tonic-gate * Keep for binary compatibility 57307c478bd9Sstevel@tonic-gate */ 57317c478bd9Sstevel@tonic-gate minor_t 57327c478bd9Sstevel@tonic-gate ddi_getiminor(dev_t dev) 57337c478bd9Sstevel@tonic-gate { 57347c478bd9Sstevel@tonic-gate return (getminor(dev)); 57357c478bd9Sstevel@tonic-gate } 57367c478bd9Sstevel@tonic-gate 57377c478bd9Sstevel@tonic-gate static int 57387c478bd9Sstevel@tonic-gate i_log_devfs_minor_create(dev_info_t *dip, char *minor_name) 57397c478bd9Sstevel@tonic-gate { 57407c478bd9Sstevel@tonic-gate int se_flag; 57417c478bd9Sstevel@tonic-gate int kmem_flag; 57427c478bd9Sstevel@tonic-gate int se_err; 574330294554Sphitran char *pathname, *class_name; 57447c478bd9Sstevel@tonic-gate sysevent_t *ev = NULL; 57457c478bd9Sstevel@tonic-gate sysevent_id_t eid; 57467c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 57477c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 57487c478bd9Sstevel@tonic-gate 57497c478bd9Sstevel@tonic-gate /* determine interrupt context */ 57507c478bd9Sstevel@tonic-gate se_flag = (servicing_interrupt()) ? SE_NOSLEEP : SE_SLEEP; 57517c478bd9Sstevel@tonic-gate kmem_flag = (se_flag == SE_SLEEP) ? KM_SLEEP : KM_NOSLEEP; 57527c478bd9Sstevel@tonic-gate 5753*4c06356bSdh i_ddi_di_cache_invalidate(); 57547c478bd9Sstevel@tonic-gate 57557c478bd9Sstevel@tonic-gate #ifdef DEBUG 57567c478bd9Sstevel@tonic-gate if ((se_flag == SE_NOSLEEP) && sunddi_debug) { 57577c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "ddi_create_minor_node: called from " 57587c478bd9Sstevel@tonic-gate "interrupt level by driver %s", 57597c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 57607c478bd9Sstevel@tonic-gate } 57617c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 57627c478bd9Sstevel@tonic-gate 57637c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_CREATE, EP_DDI, se_flag); 57647c478bd9Sstevel@tonic-gate if (ev == NULL) { 57657c478bd9Sstevel@tonic-gate goto fail; 57667c478bd9Sstevel@tonic-gate } 57677c478bd9Sstevel@tonic-gate 57687c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, kmem_flag); 57697c478bd9Sstevel@tonic-gate if (pathname == NULL) { 57707c478bd9Sstevel@tonic-gate sysevent_free(ev); 57717c478bd9Sstevel@tonic-gate goto fail; 57727c478bd9Sstevel@tonic-gate } 57737c478bd9Sstevel@tonic-gate 57747c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 57757c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 57767c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 57777c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 57787c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 57797c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 57807c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 57817c478bd9Sstevel@tonic-gate sysevent_free(ev); 57827c478bd9Sstevel@tonic-gate goto fail; 57837c478bd9Sstevel@tonic-gate } 57847c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 57857c478bd9Sstevel@tonic-gate 578630294554Sphitran /* add the device class attribute */ 578730294554Sphitran if ((class_name = i_ddi_devi_class(dip)) != NULL) { 578830294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 578930294554Sphitran se_val.value.sv_string = class_name; 579030294554Sphitran if (sysevent_add_attr(&ev_attr_list, 579130294554Sphitran DEVFS_DEVI_CLASS, &se_val, SE_SLEEP) != 0) { 579230294554Sphitran sysevent_free_attr(ev_attr_list); 579330294554Sphitran goto fail; 579430294554Sphitran } 579530294554Sphitran } 579630294554Sphitran 57977c478bd9Sstevel@tonic-gate /* 57987c478bd9Sstevel@tonic-gate * allow for NULL minor names 57997c478bd9Sstevel@tonic-gate */ 58007c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 58017c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 58027c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 58037c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 58047c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58057c478bd9Sstevel@tonic-gate sysevent_free(ev); 58067c478bd9Sstevel@tonic-gate goto fail; 58077c478bd9Sstevel@tonic-gate } 58087c478bd9Sstevel@tonic-gate } 58097c478bd9Sstevel@tonic-gate 58107c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 58117c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58127c478bd9Sstevel@tonic-gate sysevent_free(ev); 58137c478bd9Sstevel@tonic-gate goto fail; 58147c478bd9Sstevel@tonic-gate } 58157c478bd9Sstevel@tonic-gate 58167c478bd9Sstevel@tonic-gate if ((se_err = log_sysevent(ev, se_flag, &eid)) != 0) { 58177c478bd9Sstevel@tonic-gate if (se_err == SE_NO_TRANSPORT) { 58187c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 58197c478bd9Sstevel@tonic-gate "for driver %s (%s). Run devfsadm -i %s", 58207c478bd9Sstevel@tonic-gate ddi_driver_name(dip), "syseventd not responding", 58217c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 58227c478bd9Sstevel@tonic-gate } else { 58237c478bd9Sstevel@tonic-gate sysevent_free(ev); 58247c478bd9Sstevel@tonic-gate goto fail; 58257c478bd9Sstevel@tonic-gate } 58267c478bd9Sstevel@tonic-gate } 58277c478bd9Sstevel@tonic-gate 58287c478bd9Sstevel@tonic-gate sysevent_free(ev); 58297c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58307c478bd9Sstevel@tonic-gate fail: 58317c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 58327c478bd9Sstevel@tonic-gate "for driver %s. Run devfsadm -i %s", 58337c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_driver_name(dip)); 58347c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58357c478bd9Sstevel@tonic-gate } 58367c478bd9Sstevel@tonic-gate 58377c478bd9Sstevel@tonic-gate /* 58387c478bd9Sstevel@tonic-gate * failing to remove a minor node is not of interest 58397c478bd9Sstevel@tonic-gate * therefore we do not generate an error message 58407c478bd9Sstevel@tonic-gate */ 58417c478bd9Sstevel@tonic-gate static int 58427c478bd9Sstevel@tonic-gate i_log_devfs_minor_remove(dev_info_t *dip, char *minor_name) 58437c478bd9Sstevel@tonic-gate { 584430294554Sphitran char *pathname, *class_name; 58457c478bd9Sstevel@tonic-gate sysevent_t *ev; 58467c478bd9Sstevel@tonic-gate sysevent_id_t eid; 58477c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 58487c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 58497c478bd9Sstevel@tonic-gate 58507c478bd9Sstevel@tonic-gate /* 58517c478bd9Sstevel@tonic-gate * only log ddi_remove_minor_node() calls outside the scope 58527c478bd9Sstevel@tonic-gate * of attach/detach reconfigurations and when the dip is 58537c478bd9Sstevel@tonic-gate * still initialized. 58547c478bd9Sstevel@tonic-gate */ 58557c478bd9Sstevel@tonic-gate if (DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip) || 58567c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) < DS_INITIALIZED)) { 58577c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58587c478bd9Sstevel@tonic-gate } 58597c478bd9Sstevel@tonic-gate 5860*4c06356bSdh i_ddi_di_cache_invalidate(); 58617c478bd9Sstevel@tonic-gate 58627c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_REMOVE, EP_DDI, SE_SLEEP); 58637c478bd9Sstevel@tonic-gate if (ev == NULL) { 58647c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58657c478bd9Sstevel@tonic-gate } 58667c478bd9Sstevel@tonic-gate 58677c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP); 58687c478bd9Sstevel@tonic-gate if (pathname == NULL) { 58697c478bd9Sstevel@tonic-gate sysevent_free(ev); 58707c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58717c478bd9Sstevel@tonic-gate } 58727c478bd9Sstevel@tonic-gate 58737c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 58747c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 58757c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 58767c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 58777c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 58787c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 58797c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 58807c478bd9Sstevel@tonic-gate sysevent_free(ev); 58817c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58827c478bd9Sstevel@tonic-gate } 58837c478bd9Sstevel@tonic-gate 58847c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 58857c478bd9Sstevel@tonic-gate 58867c478bd9Sstevel@tonic-gate /* 58877c478bd9Sstevel@tonic-gate * allow for NULL minor names 58887c478bd9Sstevel@tonic-gate */ 58897c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 58907c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 58917c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 58927c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 58937c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58947c478bd9Sstevel@tonic-gate goto fail; 58957c478bd9Sstevel@tonic-gate } 58967c478bd9Sstevel@tonic-gate } 58977c478bd9Sstevel@tonic-gate 589830294554Sphitran if ((class_name = i_ddi_devi_class(dip)) != NULL) { 589930294554Sphitran /* add the device class, driver name and instance attributes */ 590030294554Sphitran 590130294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 590230294554Sphitran se_val.value.sv_string = class_name; 590330294554Sphitran if (sysevent_add_attr(&ev_attr_list, 590430294554Sphitran DEVFS_DEVI_CLASS, &se_val, SE_SLEEP) != 0) { 590530294554Sphitran sysevent_free_attr(ev_attr_list); 590630294554Sphitran goto fail; 590730294554Sphitran } 590830294554Sphitran 590930294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 591030294554Sphitran se_val.value.sv_string = (char *)ddi_driver_name(dip); 591130294554Sphitran if (sysevent_add_attr(&ev_attr_list, 591230294554Sphitran DEVFS_DRIVER_NAME, &se_val, SE_SLEEP) != 0) { 591330294554Sphitran sysevent_free_attr(ev_attr_list); 591430294554Sphitran goto fail; 591530294554Sphitran } 591630294554Sphitran 591730294554Sphitran se_val.value_type = SE_DATA_TYPE_INT32; 591830294554Sphitran se_val.value.sv_int32 = ddi_get_instance(dip); 591930294554Sphitran if (sysevent_add_attr(&ev_attr_list, 592030294554Sphitran DEVFS_INSTANCE, &se_val, SE_SLEEP) != 0) { 592130294554Sphitran sysevent_free_attr(ev_attr_list); 592230294554Sphitran goto fail; 592330294554Sphitran } 592430294554Sphitran 592530294554Sphitran } 592630294554Sphitran 59277c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 59287c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 59297c478bd9Sstevel@tonic-gate } else { 59307c478bd9Sstevel@tonic-gate (void) log_sysevent(ev, SE_SLEEP, &eid); 59317c478bd9Sstevel@tonic-gate } 59327c478bd9Sstevel@tonic-gate fail: 59337c478bd9Sstevel@tonic-gate sysevent_free(ev); 59347c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 59357c478bd9Sstevel@tonic-gate } 59367c478bd9Sstevel@tonic-gate 59377c478bd9Sstevel@tonic-gate /* 59387c478bd9Sstevel@tonic-gate * Derive the device class of the node. 59397c478bd9Sstevel@tonic-gate * Device class names aren't defined yet. Until this is done we use 59407c478bd9Sstevel@tonic-gate * devfs event subclass names as device class names. 59417c478bd9Sstevel@tonic-gate */ 59427c478bd9Sstevel@tonic-gate static int 59437c478bd9Sstevel@tonic-gate derive_devi_class(dev_info_t *dip, char *node_type, int flag) 59447c478bd9Sstevel@tonic-gate { 59457c478bd9Sstevel@tonic-gate int rv = DDI_SUCCESS; 59467c478bd9Sstevel@tonic-gate 59477c478bd9Sstevel@tonic-gate if (i_ddi_devi_class(dip) == NULL) { 59487c478bd9Sstevel@tonic-gate if (strncmp(node_type, DDI_NT_BLOCK, 59497c478bd9Sstevel@tonic-gate sizeof (DDI_NT_BLOCK) - 1) == 0 && 59507c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_BLOCK) - 1] == '\0' || 59517c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_BLOCK) - 1] == ':') && 59527c478bd9Sstevel@tonic-gate strcmp(node_type, DDI_NT_FD) != 0) { 59537c478bd9Sstevel@tonic-gate 59547c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_DISK, flag); 59557c478bd9Sstevel@tonic-gate 59567c478bd9Sstevel@tonic-gate } else if (strncmp(node_type, DDI_NT_NET, 59577c478bd9Sstevel@tonic-gate sizeof (DDI_NT_NET) - 1) == 0 && 59587c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_NET) - 1] == '\0' || 59597c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_NET) - 1] == ':')) { 59607c478bd9Sstevel@tonic-gate 59617c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_NETWORK, flag); 5962db11e6feSjacobs 5963db11e6feSjacobs } else if (strncmp(node_type, DDI_NT_PRINTER, 5964db11e6feSjacobs sizeof (DDI_NT_PRINTER) - 1) == 0 && 5965db11e6feSjacobs (node_type[sizeof (DDI_NT_PRINTER) - 1] == '\0' || 5966db11e6feSjacobs node_type[sizeof (DDI_NT_PRINTER) - 1] == ':')) { 5967db11e6feSjacobs 5968db11e6feSjacobs rv = i_ddi_set_devi_class(dip, ESC_PRINTER, flag); 596930294554Sphitran 597030294554Sphitran } else if (strncmp(node_type, DDI_PSEUDO, 597130294554Sphitran sizeof (DDI_PSEUDO) -1) == 0 && 597230294554Sphitran (strncmp(ESC_LOFI, ddi_node_name(dip), 597330294554Sphitran sizeof (ESC_LOFI) -1) == 0)) { 597430294554Sphitran rv = i_ddi_set_devi_class(dip, ESC_LOFI, flag); 59757c478bd9Sstevel@tonic-gate } 59767c478bd9Sstevel@tonic-gate } 59777c478bd9Sstevel@tonic-gate 59787c478bd9Sstevel@tonic-gate return (rv); 59797c478bd9Sstevel@tonic-gate } 59807c478bd9Sstevel@tonic-gate 59817c478bd9Sstevel@tonic-gate /* 59827c478bd9Sstevel@tonic-gate * Check compliance with PSARC 2003/375: 59837c478bd9Sstevel@tonic-gate * 59847c478bd9Sstevel@tonic-gate * The name must contain only characters a-z, A-Z, 0-9 or _ and it must not 59857c478bd9Sstevel@tonic-gate * exceed IFNAMSIZ (16) characters in length. 59867c478bd9Sstevel@tonic-gate */ 59877c478bd9Sstevel@tonic-gate static boolean_t 59887c478bd9Sstevel@tonic-gate verify_name(char *name) 59897c478bd9Sstevel@tonic-gate { 59907c478bd9Sstevel@tonic-gate size_t len = strlen(name); 59917c478bd9Sstevel@tonic-gate char *cp; 59927c478bd9Sstevel@tonic-gate 59937c478bd9Sstevel@tonic-gate if (len == 0 || len > IFNAMSIZ) 59947c478bd9Sstevel@tonic-gate return (B_FALSE); 59957c478bd9Sstevel@tonic-gate 59967c478bd9Sstevel@tonic-gate for (cp = name; *cp != '\0'; cp++) { 59977c478bd9Sstevel@tonic-gate if (!isalnum(*cp) && *cp != '_') 59987c478bd9Sstevel@tonic-gate return (B_FALSE); 59997c478bd9Sstevel@tonic-gate } 60007c478bd9Sstevel@tonic-gate 60017c478bd9Sstevel@tonic-gate return (B_TRUE); 60027c478bd9Sstevel@tonic-gate } 60037c478bd9Sstevel@tonic-gate 60047c478bd9Sstevel@tonic-gate /* 60057c478bd9Sstevel@tonic-gate * ddi_create_minor_common: Create a ddi_minor_data structure and 60067c478bd9Sstevel@tonic-gate * attach it to the given devinfo node. 60077c478bd9Sstevel@tonic-gate */ 60087c478bd9Sstevel@tonic-gate 60097c478bd9Sstevel@tonic-gate int 60107c478bd9Sstevel@tonic-gate ddi_create_minor_common(dev_info_t *dip, char *name, int spec_type, 60117c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, ddi_minor_type mtype, 60127c478bd9Sstevel@tonic-gate const char *read_priv, const char *write_priv, mode_t priv_mode) 60137c478bd9Sstevel@tonic-gate { 60147c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 60157c478bd9Sstevel@tonic-gate major_t major; 60167c478bd9Sstevel@tonic-gate 60177c478bd9Sstevel@tonic-gate if (spec_type != S_IFCHR && spec_type != S_IFBLK) 60187c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60197c478bd9Sstevel@tonic-gate 60207c478bd9Sstevel@tonic-gate if (name == NULL) 60217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60227c478bd9Sstevel@tonic-gate 60237c478bd9Sstevel@tonic-gate /* 60247c478bd9Sstevel@tonic-gate * Log a message if the minor number the driver is creating 60257c478bd9Sstevel@tonic-gate * is not expressible on the on-disk filesystem (currently 60267c478bd9Sstevel@tonic-gate * this is limited to 18 bits both by UFS). The device can 60277c478bd9Sstevel@tonic-gate * be opened via devfs, but not by device special files created 60287c478bd9Sstevel@tonic-gate * via mknod(). 60297c478bd9Sstevel@tonic-gate */ 60307c478bd9Sstevel@tonic-gate if (minor_num > L_MAXMIN32) { 60317c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, 60327c478bd9Sstevel@tonic-gate "%s%d:%s minor 0x%x too big for 32-bit applications", 60337c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), 60347c478bd9Sstevel@tonic-gate name, minor_num); 60357c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60367c478bd9Sstevel@tonic-gate } 60377c478bd9Sstevel@tonic-gate 60387c478bd9Sstevel@tonic-gate /* dip must be bound and attached */ 60397c478bd9Sstevel@tonic-gate major = ddi_driver_major(dip); 6040a204de77Scth ASSERT(major != DDI_MAJOR_T_NONE); 60417c478bd9Sstevel@tonic-gate 60427c478bd9Sstevel@tonic-gate /* 60437c478bd9Sstevel@tonic-gate * Default node_type to DDI_PSEUDO and issue notice in debug mode 60447c478bd9Sstevel@tonic-gate */ 60457c478bd9Sstevel@tonic-gate if (node_type == NULL) { 60467c478bd9Sstevel@tonic-gate node_type = DDI_PSEUDO; 60477c478bd9Sstevel@tonic-gate NDI_CONFIG_DEBUG((CE_NOTE, "!illegal node_type NULL for %s%d " 60487c478bd9Sstevel@tonic-gate " minor node %s; default to DDI_PSEUDO", 60497c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), name)); 60507c478bd9Sstevel@tonic-gate } 60517c478bd9Sstevel@tonic-gate 60527c478bd9Sstevel@tonic-gate /* 60537c478bd9Sstevel@tonic-gate * If the driver is a network driver, ensure that the name falls within 60547c478bd9Sstevel@tonic-gate * the interface naming constraints specified by PSARC/2003/375. 60557c478bd9Sstevel@tonic-gate */ 60567c478bd9Sstevel@tonic-gate if (strcmp(node_type, DDI_NT_NET) == 0) { 60577c478bd9Sstevel@tonic-gate if (!verify_name(name)) 60587c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60597c478bd9Sstevel@tonic-gate 60607c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 60617c478bd9Sstevel@tonic-gate struct devnames *dnp = &devnamesp[major]; 60627c478bd9Sstevel@tonic-gate 60637c478bd9Sstevel@tonic-gate /* Mark driver as a network driver */ 60647c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 60657c478bd9Sstevel@tonic-gate dnp->dn_flags |= DN_NETWORK_DRIVER; 60667c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 60677c478bd9Sstevel@tonic-gate } 60687c478bd9Sstevel@tonic-gate } 60697c478bd9Sstevel@tonic-gate 60707c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 60717c478bd9Sstevel@tonic-gate if (derive_devi_class(dip, node_type, KM_NOSLEEP) != 60727c478bd9Sstevel@tonic-gate DDI_SUCCESS) 60737c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60747c478bd9Sstevel@tonic-gate } 60757c478bd9Sstevel@tonic-gate 60767c478bd9Sstevel@tonic-gate /* 60777c478bd9Sstevel@tonic-gate * Take care of minor number information for the node. 60787c478bd9Sstevel@tonic-gate */ 60797c478bd9Sstevel@tonic-gate 60807c478bd9Sstevel@tonic-gate if ((dmdp = kmem_zalloc(sizeof (struct ddi_minor_data), 60817c478bd9Sstevel@tonic-gate KM_NOSLEEP)) == NULL) { 60827c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60837c478bd9Sstevel@tonic-gate } 60847c478bd9Sstevel@tonic-gate if ((dmdp->ddm_name = i_ddi_strdup(name, KM_NOSLEEP)) == NULL) { 60857c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 60867c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60877c478bd9Sstevel@tonic-gate } 60887c478bd9Sstevel@tonic-gate dmdp->dip = dip; 60897c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(major, minor_num); 60907c478bd9Sstevel@tonic-gate dmdp->ddm_spec_type = spec_type; 60917c478bd9Sstevel@tonic-gate dmdp->ddm_node_type = node_type; 60927c478bd9Sstevel@tonic-gate dmdp->type = mtype; 60937c478bd9Sstevel@tonic-gate if (flag & CLONE_DEV) { 60947c478bd9Sstevel@tonic-gate dmdp->type = DDM_ALIAS; 60957c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(ddi_driver_major(clone_dip), major); 60967c478bd9Sstevel@tonic-gate } 60977c478bd9Sstevel@tonic-gate if (flag & PRIVONLY_DEV) { 60987c478bd9Sstevel@tonic-gate dmdp->ddm_flags |= DM_NO_FSPERM; 60997c478bd9Sstevel@tonic-gate } 61007c478bd9Sstevel@tonic-gate if (read_priv || write_priv) { 61017c478bd9Sstevel@tonic-gate dmdp->ddm_node_priv = 61027c478bd9Sstevel@tonic-gate devpolicy_priv_by_name(read_priv, write_priv); 61037c478bd9Sstevel@tonic-gate } 61047c478bd9Sstevel@tonic-gate dmdp->ddm_priv_mode = priv_mode; 61057c478bd9Sstevel@tonic-gate 61067c478bd9Sstevel@tonic-gate ddi_append_minor_node(dip, dmdp); 61077c478bd9Sstevel@tonic-gate 61087c478bd9Sstevel@tonic-gate /* 61097c478bd9Sstevel@tonic-gate * only log ddi_create_minor_node() calls which occur 61107c478bd9Sstevel@tonic-gate * outside the scope of attach(9e)/detach(9e) reconfigurations 61117c478bd9Sstevel@tonic-gate */ 61127b3700d1Sszhou if (!(DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip)) && 61137b3700d1Sszhou mtype != DDM_INTERNAL_PATH) { 61147c478bd9Sstevel@tonic-gate (void) i_log_devfs_minor_create(dip, name); 61157c478bd9Sstevel@tonic-gate } 61167c478bd9Sstevel@tonic-gate 61177c478bd9Sstevel@tonic-gate /* 61187c478bd9Sstevel@tonic-gate * Check if any dacf rules match the creation of this minor node 61197c478bd9Sstevel@tonic-gate */ 61207c478bd9Sstevel@tonic-gate dacfc_match_create_minor(name, node_type, dip, dmdp, flag); 61217c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 61227c478bd9Sstevel@tonic-gate } 61237c478bd9Sstevel@tonic-gate 61247c478bd9Sstevel@tonic-gate int 61257c478bd9Sstevel@tonic-gate ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 61267c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 61277c478bd9Sstevel@tonic-gate { 61287c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61297c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, NULL, NULL, 0)); 61307c478bd9Sstevel@tonic-gate } 61317c478bd9Sstevel@tonic-gate 61327c478bd9Sstevel@tonic-gate int 61337c478bd9Sstevel@tonic-gate ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 61347c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, 61357c478bd9Sstevel@tonic-gate const char *rdpriv, const char *wrpriv, mode_t priv_mode) 61367c478bd9Sstevel@tonic-gate { 61377c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61387c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, rdpriv, wrpriv, priv_mode)); 61397c478bd9Sstevel@tonic-gate } 61407c478bd9Sstevel@tonic-gate 61417c478bd9Sstevel@tonic-gate int 61427c478bd9Sstevel@tonic-gate ddi_create_default_minor_node(dev_info_t *dip, char *name, int spec_type, 61437c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 61447c478bd9Sstevel@tonic-gate { 61457c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61467c478bd9Sstevel@tonic-gate node_type, flag, DDM_DEFAULT, NULL, NULL, 0)); 61477c478bd9Sstevel@tonic-gate } 61487c478bd9Sstevel@tonic-gate 61497c478bd9Sstevel@tonic-gate /* 61507c478bd9Sstevel@tonic-gate * Internal (non-ddi) routine for drivers to export names known 61517c478bd9Sstevel@tonic-gate * to the kernel (especially ddi_pathname_to_dev_t and friends) 61527c478bd9Sstevel@tonic-gate * but not exported externally to /dev 61537c478bd9Sstevel@tonic-gate */ 61547c478bd9Sstevel@tonic-gate int 61557c478bd9Sstevel@tonic-gate ddi_create_internal_pathname(dev_info_t *dip, char *name, int spec_type, 61567c478bd9Sstevel@tonic-gate minor_t minor_num) 61577c478bd9Sstevel@tonic-gate { 61587c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61597c478bd9Sstevel@tonic-gate "internal", 0, DDM_INTERNAL_PATH, NULL, NULL, 0)); 61607c478bd9Sstevel@tonic-gate } 61617c478bd9Sstevel@tonic-gate 61627c478bd9Sstevel@tonic-gate void 61637c478bd9Sstevel@tonic-gate ddi_remove_minor_node(dev_info_t *dip, char *name) 61647c478bd9Sstevel@tonic-gate { 6165b9ccdc5aScth int circ; 6166b9ccdc5aScth struct ddi_minor_data *dmdp, *dmdp1; 6167b9ccdc5aScth struct ddi_minor_data **dmdp_prev; 61687c478bd9Sstevel@tonic-gate 6169b9ccdc5aScth ndi_devi_enter(dip, &circ); 61707c478bd9Sstevel@tonic-gate dmdp_prev = &DEVI(dip)->devi_minor; 61717c478bd9Sstevel@tonic-gate dmdp = DEVI(dip)->devi_minor; 61727c478bd9Sstevel@tonic-gate while (dmdp != NULL) { 61737c478bd9Sstevel@tonic-gate dmdp1 = dmdp->next; 61747c478bd9Sstevel@tonic-gate if ((name == NULL || (dmdp->ddm_name != NULL && 61757c478bd9Sstevel@tonic-gate strcmp(name, dmdp->ddm_name) == 0))) { 61767c478bd9Sstevel@tonic-gate if (dmdp->ddm_name != NULL) { 61777b3700d1Sszhou if (dmdp->type != DDM_INTERNAL_PATH) 61787b3700d1Sszhou (void) i_log_devfs_minor_remove(dip, 61797b3700d1Sszhou dmdp->ddm_name); 61807c478bd9Sstevel@tonic-gate kmem_free(dmdp->ddm_name, 61817c478bd9Sstevel@tonic-gate strlen(dmdp->ddm_name) + 1); 61827c478bd9Sstevel@tonic-gate } 61837c478bd9Sstevel@tonic-gate /* 61847c478bd9Sstevel@tonic-gate * Release device privilege, if any. 61857c478bd9Sstevel@tonic-gate * Release dacf client data associated with this minor 61867c478bd9Sstevel@tonic-gate * node by storing NULL. 61877c478bd9Sstevel@tonic-gate */ 61887c478bd9Sstevel@tonic-gate if (dmdp->ddm_node_priv) 61897c478bd9Sstevel@tonic-gate dpfree(dmdp->ddm_node_priv); 61907c478bd9Sstevel@tonic-gate dacf_store_info((dacf_infohdl_t)dmdp, NULL); 61917c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 61927c478bd9Sstevel@tonic-gate *dmdp_prev = dmdp1; 61937c478bd9Sstevel@tonic-gate /* 61947c478bd9Sstevel@tonic-gate * OK, we found it, so get out now -- if we drive on, 61957c478bd9Sstevel@tonic-gate * we will strcmp against garbage. See 1139209. 61967c478bd9Sstevel@tonic-gate */ 61977c478bd9Sstevel@tonic-gate if (name != NULL) 61987c478bd9Sstevel@tonic-gate break; 61997c478bd9Sstevel@tonic-gate } else { 62007c478bd9Sstevel@tonic-gate dmdp_prev = &dmdp->next; 62017c478bd9Sstevel@tonic-gate } 62027c478bd9Sstevel@tonic-gate dmdp = dmdp1; 62037c478bd9Sstevel@tonic-gate } 6204b9ccdc5aScth ndi_devi_exit(dip, circ); 62057c478bd9Sstevel@tonic-gate } 62067c478bd9Sstevel@tonic-gate 62077c478bd9Sstevel@tonic-gate 62087c478bd9Sstevel@tonic-gate int 62097c478bd9Sstevel@tonic-gate ddi_in_panic() 62107c478bd9Sstevel@tonic-gate { 62117c478bd9Sstevel@tonic-gate return (panicstr != NULL); 62127c478bd9Sstevel@tonic-gate } 62137c478bd9Sstevel@tonic-gate 62147c478bd9Sstevel@tonic-gate 62157c478bd9Sstevel@tonic-gate /* 62167c478bd9Sstevel@tonic-gate * Find first bit set in a mask (returned counting from 1 up) 62177c478bd9Sstevel@tonic-gate */ 62187c478bd9Sstevel@tonic-gate 62197c478bd9Sstevel@tonic-gate int 62207c478bd9Sstevel@tonic-gate ddi_ffs(long mask) 62217c478bd9Sstevel@tonic-gate { 62227c478bd9Sstevel@tonic-gate return (ffs(mask)); 62237c478bd9Sstevel@tonic-gate } 62247c478bd9Sstevel@tonic-gate 62257c478bd9Sstevel@tonic-gate /* 62267c478bd9Sstevel@tonic-gate * Find last bit set. Take mask and clear 62277c478bd9Sstevel@tonic-gate * all but the most significant bit, and 62287c478bd9Sstevel@tonic-gate * then let ffs do the rest of the work. 62297c478bd9Sstevel@tonic-gate * 62307c478bd9Sstevel@tonic-gate * Algorithm courtesy of Steve Chessin. 62317c478bd9Sstevel@tonic-gate */ 62327c478bd9Sstevel@tonic-gate 62337c478bd9Sstevel@tonic-gate int 62347c478bd9Sstevel@tonic-gate ddi_fls(long mask) 62357c478bd9Sstevel@tonic-gate { 62367c478bd9Sstevel@tonic-gate while (mask) { 62377c478bd9Sstevel@tonic-gate long nx; 62387c478bd9Sstevel@tonic-gate 62397c478bd9Sstevel@tonic-gate if ((nx = (mask & (mask - 1))) == 0) 62407c478bd9Sstevel@tonic-gate break; 62417c478bd9Sstevel@tonic-gate mask = nx; 62427c478bd9Sstevel@tonic-gate } 62437c478bd9Sstevel@tonic-gate return (ffs(mask)); 62447c478bd9Sstevel@tonic-gate } 62457c478bd9Sstevel@tonic-gate 62467c478bd9Sstevel@tonic-gate /* 6247*4c06356bSdh * The ddi_soft_state_* routines comprise generic storage management utilities 6248*4c06356bSdh * for driver soft state structures (in "the old days," this was done with 6249*4c06356bSdh * statically sized array - big systems and dynamic loading and unloading 6250*4c06356bSdh * make heap allocation more attractive). 62517c478bd9Sstevel@tonic-gate */ 62527c478bd9Sstevel@tonic-gate 62537c478bd9Sstevel@tonic-gate /* 62547c478bd9Sstevel@tonic-gate * Allocate a set of pointers to 'n_items' objects of size 'size' 62557c478bd9Sstevel@tonic-gate * bytes. Each pointer is initialized to nil. 62567c478bd9Sstevel@tonic-gate * 62577c478bd9Sstevel@tonic-gate * The 'size' and 'n_items' values are stashed in the opaque 62587c478bd9Sstevel@tonic-gate * handle returned to the caller. 62597c478bd9Sstevel@tonic-gate * 62607c478bd9Sstevel@tonic-gate * This implementation interprets 'set of pointers' to mean 'array 62617c478bd9Sstevel@tonic-gate * of pointers' but note that nothing in the interface definition 62627c478bd9Sstevel@tonic-gate * precludes an implementation that uses, for example, a linked list. 62637c478bd9Sstevel@tonic-gate * However there should be a small efficiency gain from using an array 62647c478bd9Sstevel@tonic-gate * at lookup time. 62657c478bd9Sstevel@tonic-gate * 62667c478bd9Sstevel@tonic-gate * NOTE As an optimization, we make our growable array allocations in 62677c478bd9Sstevel@tonic-gate * powers of two (bytes), since that's how much kmem_alloc (currently) 62687c478bd9Sstevel@tonic-gate * gives us anyway. It should save us some free/realloc's .. 62697c478bd9Sstevel@tonic-gate * 62707c478bd9Sstevel@tonic-gate * As a further optimization, we make the growable array start out 62717c478bd9Sstevel@tonic-gate * with MIN_N_ITEMS in it. 62727c478bd9Sstevel@tonic-gate */ 62737c478bd9Sstevel@tonic-gate 62747c478bd9Sstevel@tonic-gate #define MIN_N_ITEMS 8 /* 8 void *'s == 32 bytes */ 62757c478bd9Sstevel@tonic-gate 62767c478bd9Sstevel@tonic-gate int 62777c478bd9Sstevel@tonic-gate ddi_soft_state_init(void **state_p, size_t size, size_t n_items) 62787c478bd9Sstevel@tonic-gate { 6279*4c06356bSdh i_ddi_soft_state *ss; 62807c478bd9Sstevel@tonic-gate 6281*4c06356bSdh if (state_p == NULL || size == 0) 62827c478bd9Sstevel@tonic-gate return (EINVAL); 62837c478bd9Sstevel@tonic-gate 62847c478bd9Sstevel@tonic-gate ss = kmem_zalloc(sizeof (*ss), KM_SLEEP); 62857c478bd9Sstevel@tonic-gate mutex_init(&ss->lock, NULL, MUTEX_DRIVER, NULL); 62867c478bd9Sstevel@tonic-gate ss->size = size; 62877c478bd9Sstevel@tonic-gate 62887c478bd9Sstevel@tonic-gate if (n_items < MIN_N_ITEMS) 62897c478bd9Sstevel@tonic-gate ss->n_items = MIN_N_ITEMS; 62907c478bd9Sstevel@tonic-gate else { 62917c478bd9Sstevel@tonic-gate int bitlog; 62927c478bd9Sstevel@tonic-gate 62937c478bd9Sstevel@tonic-gate if ((bitlog = ddi_fls(n_items)) == ddi_ffs(n_items)) 62947c478bd9Sstevel@tonic-gate bitlog--; 62957c478bd9Sstevel@tonic-gate ss->n_items = 1 << bitlog; 62967c478bd9Sstevel@tonic-gate } 62977c478bd9Sstevel@tonic-gate 62987c478bd9Sstevel@tonic-gate ASSERT(ss->n_items >= n_items); 62997c478bd9Sstevel@tonic-gate 63007c478bd9Sstevel@tonic-gate ss->array = kmem_zalloc(ss->n_items * sizeof (void *), KM_SLEEP); 63017c478bd9Sstevel@tonic-gate 63027c478bd9Sstevel@tonic-gate *state_p = ss; 63037c478bd9Sstevel@tonic-gate return (0); 63047c478bd9Sstevel@tonic-gate } 63057c478bd9Sstevel@tonic-gate 63067c478bd9Sstevel@tonic-gate /* 63077c478bd9Sstevel@tonic-gate * Allocate a state structure of size 'size' to be associated 63087c478bd9Sstevel@tonic-gate * with item 'item'. 63097c478bd9Sstevel@tonic-gate * 63107c478bd9Sstevel@tonic-gate * In this implementation, the array is extended to 63117c478bd9Sstevel@tonic-gate * allow the requested offset, if needed. 63127c478bd9Sstevel@tonic-gate */ 63137c478bd9Sstevel@tonic-gate int 63147c478bd9Sstevel@tonic-gate ddi_soft_state_zalloc(void *state, int item) 63157c478bd9Sstevel@tonic-gate { 6316*4c06356bSdh i_ddi_soft_state *ss = (i_ddi_soft_state *)state; 6317*4c06356bSdh void **array; 6318*4c06356bSdh void *new_element; 63197c478bd9Sstevel@tonic-gate 6320*4c06356bSdh if ((state == NULL) || (item < 0)) 63217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63227c478bd9Sstevel@tonic-gate 63237c478bd9Sstevel@tonic-gate mutex_enter(&ss->lock); 63247c478bd9Sstevel@tonic-gate if (ss->size == 0) { 63257c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 63267c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_soft_state_zalloc: bad handle: %s", 63277c478bd9Sstevel@tonic-gate mod_containing_pc(caller())); 63287c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63297c478bd9Sstevel@tonic-gate } 63307c478bd9Sstevel@tonic-gate 63317c478bd9Sstevel@tonic-gate array = ss->array; /* NULL if ss->n_items == 0 */ 63327c478bd9Sstevel@tonic-gate ASSERT(ss->n_items != 0 && array != NULL); 63337c478bd9Sstevel@tonic-gate 63347c478bd9Sstevel@tonic-gate /* 63357c478bd9Sstevel@tonic-gate * refuse to tread on an existing element 63367c478bd9Sstevel@tonic-gate */ 63377c478bd9Sstevel@tonic-gate if (item < ss->n_items && array[item] != NULL) { 63387c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 63397c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63407c478bd9Sstevel@tonic-gate } 63417c478bd9Sstevel@tonic-gate 63427c478bd9Sstevel@tonic-gate /* 63437c478bd9Sstevel@tonic-gate * Allocate a new element to plug in 63447c478bd9Sstevel@tonic-gate */ 63457c478bd9Sstevel@tonic-gate new_element = kmem_zalloc(ss->size, KM_SLEEP); 63467c478bd9Sstevel@tonic-gate 63477c478bd9Sstevel@tonic-gate /* 63487c478bd9Sstevel@tonic-gate * Check if the array is big enough, if not, grow it. 63497c478bd9Sstevel@tonic-gate */ 63507c478bd9Sstevel@tonic-gate if (item >= ss->n_items) { 6351*4c06356bSdh void **new_array; 6352*4c06356bSdh size_t new_n_items; 6353*4c06356bSdh struct i_ddi_soft_state *dirty; 63547c478bd9Sstevel@tonic-gate 63557c478bd9Sstevel@tonic-gate /* 63567c478bd9Sstevel@tonic-gate * Allocate a new array of the right length, copy 63577c478bd9Sstevel@tonic-gate * all the old pointers to the new array, then 63587c478bd9Sstevel@tonic-gate * if it exists at all, put the old array on the 63597c478bd9Sstevel@tonic-gate * dirty list. 63607c478bd9Sstevel@tonic-gate * 63617c478bd9Sstevel@tonic-gate * Note that we can't kmem_free() the old array. 63627c478bd9Sstevel@tonic-gate * 63637c478bd9Sstevel@tonic-gate * Why -- well the 'get' operation is 'mutex-free', so we 63647c478bd9Sstevel@tonic-gate * can't easily catch a suspended thread that is just about 63657c478bd9Sstevel@tonic-gate * to dereference the array we just grew out of. So we 63667c478bd9Sstevel@tonic-gate * cons up a header and put it on a list of 'dirty' 63677c478bd9Sstevel@tonic-gate * pointer arrays. (Dirty in the sense that there may 63687c478bd9Sstevel@tonic-gate * be suspended threads somewhere that are in the middle 63697c478bd9Sstevel@tonic-gate * of referencing them). Fortunately, we -can- garbage 63707c478bd9Sstevel@tonic-gate * collect it all at ddi_soft_state_fini time. 63717c478bd9Sstevel@tonic-gate */ 63727c478bd9Sstevel@tonic-gate new_n_items = ss->n_items; 63737c478bd9Sstevel@tonic-gate while (new_n_items < (1 + item)) 63747c478bd9Sstevel@tonic-gate new_n_items <<= 1; /* double array size .. */ 63757c478bd9Sstevel@tonic-gate 63767c478bd9Sstevel@tonic-gate ASSERT(new_n_items >= (1 + item)); /* sanity check! */ 63777c478bd9Sstevel@tonic-gate 63787c478bd9Sstevel@tonic-gate new_array = kmem_zalloc(new_n_items * sizeof (void *), 63797c478bd9Sstevel@tonic-gate KM_SLEEP); 63807c478bd9Sstevel@tonic-gate /* 63817c478bd9Sstevel@tonic-gate * Copy the pointers into the new array 63827c478bd9Sstevel@tonic-gate */ 63837c478bd9Sstevel@tonic-gate bcopy(array, new_array, ss->n_items * sizeof (void *)); 63847c478bd9Sstevel@tonic-gate 63857c478bd9Sstevel@tonic-gate /* 63867c478bd9Sstevel@tonic-gate * Save the old array on the dirty list 63877c478bd9Sstevel@tonic-gate */ 63887c478bd9Sstevel@tonic-gate dirty = kmem_zalloc(sizeof (*dirty), KM_SLEEP); 63897c478bd9Sstevel@tonic-gate dirty->array = ss->array; 63907c478bd9Sstevel@tonic-gate dirty->n_items = ss->n_items; 63917c478bd9Sstevel@tonic-gate dirty->next = ss->next; 63927c478bd9Sstevel@tonic-gate ss->next = dirty; 63937c478bd9Sstevel@tonic-gate 63947c478bd9Sstevel@tonic-gate ss->array = (array = new_array); 63957c478bd9Sstevel@tonic-gate ss->n_items = new_n_items; 63967c478bd9Sstevel@tonic-gate } 63977c478bd9Sstevel@tonic-gate 63987c478bd9Sstevel@tonic-gate ASSERT(array != NULL && item < ss->n_items && array[item] == NULL); 63997c478bd9Sstevel@tonic-gate 64007c478bd9Sstevel@tonic-gate array[item] = new_element; 64017c478bd9Sstevel@tonic-gate 64027c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 64037c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 64047c478bd9Sstevel@tonic-gate } 64057c478bd9Sstevel@tonic-gate 64067c478bd9Sstevel@tonic-gate /* 64077c478bd9Sstevel@tonic-gate * Fetch a pointer to the allocated soft state structure. 64087c478bd9Sstevel@tonic-gate * 64097c478bd9Sstevel@tonic-gate * This is designed to be cheap. 64107c478bd9Sstevel@tonic-gate * 64117c478bd9Sstevel@tonic-gate * There's an argument that there should be more checking for 64127c478bd9Sstevel@tonic-gate * nil pointers and out of bounds on the array.. but we do a lot 64137c478bd9Sstevel@tonic-gate * of that in the alloc/free routines. 64147c478bd9Sstevel@tonic-gate * 64157c478bd9Sstevel@tonic-gate * An array has the convenience that we don't need to lock read-access 64167c478bd9Sstevel@tonic-gate * to it c.f. a linked list. However our "expanding array" strategy 64177c478bd9Sstevel@tonic-gate * means that we should hold a readers lock on the i_ddi_soft_state 64187c478bd9Sstevel@tonic-gate * structure. 64197c478bd9Sstevel@tonic-gate * 64207c478bd9Sstevel@tonic-gate * However, from a performance viewpoint, we need to do it without 64217c478bd9Sstevel@tonic-gate * any locks at all -- this also makes it a leaf routine. The algorithm 64227c478bd9Sstevel@tonic-gate * is 'lock-free' because we only discard the pointer arrays at 64237c478bd9Sstevel@tonic-gate * ddi_soft_state_fini() time. 64247c478bd9Sstevel@tonic-gate */ 64257c478bd9Sstevel@tonic-gate void * 64267c478bd9Sstevel@tonic-gate ddi_get_soft_state(void *state, int item) 64277c478bd9Sstevel@tonic-gate { 6428*4c06356bSdh i_ddi_soft_state *ss = (i_ddi_soft_state *)state; 64297c478bd9Sstevel@tonic-gate 6430*4c06356bSdh ASSERT((ss != NULL) && (item >= 0)); 64317c478bd9Sstevel@tonic-gate 64327c478bd9Sstevel@tonic-gate if (item < ss->n_items && ss->array != NULL) 64337c478bd9Sstevel@tonic-gate return (ss->array[item]); 64347c478bd9Sstevel@tonic-gate return (NULL); 64357c478bd9Sstevel@tonic-gate } 64367c478bd9Sstevel@tonic-gate 64377c478bd9Sstevel@tonic-gate /* 64387c478bd9Sstevel@tonic-gate * Free the state structure corresponding to 'item.' Freeing an 64397c478bd9Sstevel@tonic-gate * element that has either gone or was never allocated is not 64407c478bd9Sstevel@tonic-gate * considered an error. Note that we free the state structure, but 64417c478bd9Sstevel@tonic-gate * we don't shrink our pointer array, or discard 'dirty' arrays, 64427c478bd9Sstevel@tonic-gate * since even a few pointers don't really waste too much memory. 64437c478bd9Sstevel@tonic-gate * 64447c478bd9Sstevel@tonic-gate * Passing an item number that is out of bounds, or a null pointer will 64457c478bd9Sstevel@tonic-gate * provoke an error message. 64467c478bd9Sstevel@tonic-gate */ 64477c478bd9Sstevel@tonic-gate void 64487c478bd9Sstevel@tonic-gate ddi_soft_state_free(void *state, int item) 64497c478bd9Sstevel@tonic-gate { 6450*4c06356bSdh i_ddi_soft_state *ss = (i_ddi_soft_state *)state; 6451*4c06356bSdh void **array; 6452*4c06356bSdh void *element; 6453*4c06356bSdh static char msg[] = "ddi_soft_state_free:"; 64547c478bd9Sstevel@tonic-gate 6455*4c06356bSdh if (ss == NULL) { 64567c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s null handle: %s", 64577c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 64587c478bd9Sstevel@tonic-gate return; 64597c478bd9Sstevel@tonic-gate } 64607c478bd9Sstevel@tonic-gate 64617c478bd9Sstevel@tonic-gate element = NULL; 64627c478bd9Sstevel@tonic-gate 64637c478bd9Sstevel@tonic-gate mutex_enter(&ss->lock); 64647c478bd9Sstevel@tonic-gate 64657c478bd9Sstevel@tonic-gate if ((array = ss->array) == NULL || ss->size == 0) { 64667c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s bad handle: %s", 64677c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 64687c478bd9Sstevel@tonic-gate } else if (item < 0 || item >= ss->n_items) { 64697c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s item %d not in range [0..%lu]: %s", 64707c478bd9Sstevel@tonic-gate msg, item, ss->n_items - 1, mod_containing_pc(caller())); 64717c478bd9Sstevel@tonic-gate } else if (array[item] != NULL) { 64727c478bd9Sstevel@tonic-gate element = array[item]; 64737c478bd9Sstevel@tonic-gate array[item] = NULL; 64747c478bd9Sstevel@tonic-gate } 64757c478bd9Sstevel@tonic-gate 64767c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 64777c478bd9Sstevel@tonic-gate 64787c478bd9Sstevel@tonic-gate if (element) 64797c478bd9Sstevel@tonic-gate kmem_free(element, ss->size); 64807c478bd9Sstevel@tonic-gate } 64817c478bd9Sstevel@tonic-gate 64827c478bd9Sstevel@tonic-gate /* 64837c478bd9Sstevel@tonic-gate * Free the entire set of pointers, and any 64847c478bd9Sstevel@tonic-gate * soft state structures contained therein. 64857c478bd9Sstevel@tonic-gate * 64867c478bd9Sstevel@tonic-gate * Note that we don't grab the ss->lock mutex, even though 64877c478bd9Sstevel@tonic-gate * we're inspecting the various fields of the data structure. 64887c478bd9Sstevel@tonic-gate * 64897c478bd9Sstevel@tonic-gate * There is an implicit assumption that this routine will 64907c478bd9Sstevel@tonic-gate * never run concurrently with any of the above on this 64917c478bd9Sstevel@tonic-gate * particular state structure i.e. by the time the driver 64927c478bd9Sstevel@tonic-gate * calls this routine, there should be no other threads 64937c478bd9Sstevel@tonic-gate * running in the driver. 64947c478bd9Sstevel@tonic-gate */ 64957c478bd9Sstevel@tonic-gate void 64967c478bd9Sstevel@tonic-gate ddi_soft_state_fini(void **state_p) 64977c478bd9Sstevel@tonic-gate { 6498*4c06356bSdh i_ddi_soft_state *ss, *dirty; 6499*4c06356bSdh int item; 6500*4c06356bSdh static char msg[] = "ddi_soft_state_fini:"; 65017c478bd9Sstevel@tonic-gate 6502*4c06356bSdh if (state_p == NULL || 6503*4c06356bSdh (ss = (i_ddi_soft_state *)(*state_p)) == NULL) { 65047c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s null handle: %s", 65057c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 65067c478bd9Sstevel@tonic-gate return; 65077c478bd9Sstevel@tonic-gate } 65087c478bd9Sstevel@tonic-gate 65097c478bd9Sstevel@tonic-gate if (ss->size == 0) { 65107c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s bad handle: %s", 65117c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 65127c478bd9Sstevel@tonic-gate return; 65137c478bd9Sstevel@tonic-gate } 65147c478bd9Sstevel@tonic-gate 65157c478bd9Sstevel@tonic-gate if (ss->n_items > 0) { 65167c478bd9Sstevel@tonic-gate for (item = 0; item < ss->n_items; item++) 65177c478bd9Sstevel@tonic-gate ddi_soft_state_free(ss, item); 65187c478bd9Sstevel@tonic-gate kmem_free(ss->array, ss->n_items * sizeof (void *)); 65197c478bd9Sstevel@tonic-gate } 65207c478bd9Sstevel@tonic-gate 65217c478bd9Sstevel@tonic-gate /* 65227c478bd9Sstevel@tonic-gate * Now delete any dirty arrays from previous 'grow' operations 65237c478bd9Sstevel@tonic-gate */ 65247c478bd9Sstevel@tonic-gate for (dirty = ss->next; dirty; dirty = ss->next) { 65257c478bd9Sstevel@tonic-gate ss->next = dirty->next; 65267c478bd9Sstevel@tonic-gate kmem_free(dirty->array, dirty->n_items * sizeof (void *)); 65277c478bd9Sstevel@tonic-gate kmem_free(dirty, sizeof (*dirty)); 65287c478bd9Sstevel@tonic-gate } 65297c478bd9Sstevel@tonic-gate 65307c478bd9Sstevel@tonic-gate mutex_destroy(&ss->lock); 65317c478bd9Sstevel@tonic-gate kmem_free(ss, sizeof (*ss)); 65327c478bd9Sstevel@tonic-gate 65337c478bd9Sstevel@tonic-gate *state_p = NULL; 65347c478bd9Sstevel@tonic-gate } 65357c478bd9Sstevel@tonic-gate 6536*4c06356bSdh #define SS_N_ITEMS_PER_HASH 16 6537*4c06356bSdh #define SS_MIN_HASH_SZ 16 6538*4c06356bSdh #define SS_MAX_HASH_SZ 4096 6539*4c06356bSdh 6540*4c06356bSdh int 6541*4c06356bSdh ddi_soft_state_bystr_init(ddi_soft_state_bystr **state_p, size_t size, 6542*4c06356bSdh int n_items) 6543*4c06356bSdh { 6544*4c06356bSdh i_ddi_soft_state_bystr *sss; 6545*4c06356bSdh int hash_sz; 6546*4c06356bSdh 6547*4c06356bSdh ASSERT(state_p && size && n_items); 6548*4c06356bSdh if ((state_p == NULL) || (size == 0) || (n_items == 0)) 6549*4c06356bSdh return (EINVAL); 6550*4c06356bSdh 6551*4c06356bSdh /* current implementation is based on hash, convert n_items to hash */ 6552*4c06356bSdh hash_sz = n_items / SS_N_ITEMS_PER_HASH; 6553*4c06356bSdh if (hash_sz < SS_MIN_HASH_SZ) 6554*4c06356bSdh hash_sz = SS_MIN_HASH_SZ; 6555*4c06356bSdh else if (hash_sz > SS_MAX_HASH_SZ) 6556*4c06356bSdh hash_sz = SS_MAX_HASH_SZ; 6557*4c06356bSdh 6558*4c06356bSdh /* allocate soft_state pool */ 6559*4c06356bSdh sss = kmem_zalloc(sizeof (*sss), KM_SLEEP); 6560*4c06356bSdh sss->ss_size = size; 6561*4c06356bSdh sss->ss_mod_hash = mod_hash_create_strhash("soft_state_bystr", 6562*4c06356bSdh hash_sz, mod_hash_null_valdtor); 6563*4c06356bSdh *state_p = (ddi_soft_state_bystr *)sss; 6564*4c06356bSdh return (0); 6565*4c06356bSdh } 6566*4c06356bSdh 6567*4c06356bSdh int 6568*4c06356bSdh ddi_soft_state_bystr_zalloc(ddi_soft_state_bystr *state, const char *str) 6569*4c06356bSdh { 6570*4c06356bSdh i_ddi_soft_state_bystr *sss = (i_ddi_soft_state_bystr *)state; 6571*4c06356bSdh void *sso; 6572*4c06356bSdh char *dup_str; 6573*4c06356bSdh 6574*4c06356bSdh ASSERT(sss && str && sss->ss_mod_hash); 6575*4c06356bSdh if ((sss == NULL) || (str == NULL) || (sss->ss_mod_hash == NULL)) 6576*4c06356bSdh return (DDI_FAILURE); 6577*4c06356bSdh sso = kmem_zalloc(sss->ss_size, KM_SLEEP); 6578*4c06356bSdh dup_str = i_ddi_strdup((char *)str, KM_SLEEP); 6579*4c06356bSdh if (mod_hash_insert(sss->ss_mod_hash, 6580*4c06356bSdh (mod_hash_key_t)dup_str, (mod_hash_val_t)sso) == 0) 6581*4c06356bSdh return (DDI_SUCCESS); 6582*4c06356bSdh 6583*4c06356bSdh /* 6584*4c06356bSdh * The only error from an strhash insert is caused by a duplicate key. 6585*4c06356bSdh * We refuse to tread on an existing elements, so free and fail. 6586*4c06356bSdh */ 6587*4c06356bSdh kmem_free(dup_str, strlen(dup_str) + 1); 6588*4c06356bSdh kmem_free(sso, sss->ss_size); 6589*4c06356bSdh return (DDI_FAILURE); 6590*4c06356bSdh } 6591*4c06356bSdh 6592*4c06356bSdh void * 6593*4c06356bSdh ddi_soft_state_bystr_get(ddi_soft_state_bystr *state, const char *str) 6594*4c06356bSdh { 6595*4c06356bSdh i_ddi_soft_state_bystr *sss = (i_ddi_soft_state_bystr *)state; 6596*4c06356bSdh void *sso; 6597*4c06356bSdh 6598*4c06356bSdh ASSERT(sss && str && sss->ss_mod_hash); 6599*4c06356bSdh if ((sss == NULL) || (str == NULL) || (sss->ss_mod_hash == NULL)) 6600*4c06356bSdh return (NULL); 6601*4c06356bSdh 6602*4c06356bSdh if (mod_hash_find(sss->ss_mod_hash, 6603*4c06356bSdh (mod_hash_key_t)str, (mod_hash_val_t *)&sso) == 0) 6604*4c06356bSdh return (sso); 6605*4c06356bSdh return (NULL); 6606*4c06356bSdh } 6607*4c06356bSdh 6608*4c06356bSdh void 6609*4c06356bSdh ddi_soft_state_bystr_free(ddi_soft_state_bystr *state, const char *str) 6610*4c06356bSdh { 6611*4c06356bSdh i_ddi_soft_state_bystr *sss = (i_ddi_soft_state_bystr *)state; 6612*4c06356bSdh void *sso; 6613*4c06356bSdh 6614*4c06356bSdh ASSERT(sss && str && sss->ss_mod_hash); 6615*4c06356bSdh if ((sss == NULL) || (str == NULL) || (sss->ss_mod_hash == NULL)) 6616*4c06356bSdh return; 6617*4c06356bSdh 6618*4c06356bSdh (void) mod_hash_remove(sss->ss_mod_hash, 6619*4c06356bSdh (mod_hash_key_t)str, (mod_hash_val_t *)&sso); 6620*4c06356bSdh kmem_free(sso, sss->ss_size); 6621*4c06356bSdh } 6622*4c06356bSdh 6623*4c06356bSdh void 6624*4c06356bSdh ddi_soft_state_bystr_fini(ddi_soft_state_bystr **state_p) 6625*4c06356bSdh { 6626*4c06356bSdh i_ddi_soft_state_bystr *sss; 6627*4c06356bSdh 6628*4c06356bSdh ASSERT(state_p); 6629*4c06356bSdh if (state_p == NULL) 6630*4c06356bSdh return; 6631*4c06356bSdh 6632*4c06356bSdh sss = (i_ddi_soft_state_bystr *)(*state_p); 6633*4c06356bSdh if (sss == NULL) 6634*4c06356bSdh return; 6635*4c06356bSdh 6636*4c06356bSdh ASSERT(sss->ss_mod_hash); 6637*4c06356bSdh if (sss->ss_mod_hash) { 6638*4c06356bSdh mod_hash_destroy_strhash(sss->ss_mod_hash); 6639*4c06356bSdh sss->ss_mod_hash = NULL; 6640*4c06356bSdh } 6641*4c06356bSdh 6642*4c06356bSdh kmem_free(sss, sizeof (*sss)); 6643*4c06356bSdh *state_p = NULL; 6644*4c06356bSdh } 6645*4c06356bSdh 6646*4c06356bSdh /* 6647*4c06356bSdh * The ddi_strid_* routines provide string-to-index management utilities. 6648*4c06356bSdh */ 6649*4c06356bSdh /* allocate and initialize an strid set */ 6650*4c06356bSdh int 6651*4c06356bSdh ddi_strid_init(ddi_strid **strid_p, int n_items) 6652*4c06356bSdh { 6653*4c06356bSdh i_ddi_strid *ss; 6654*4c06356bSdh int hash_sz; 6655*4c06356bSdh 6656*4c06356bSdh if (strid_p == NULL) 6657*4c06356bSdh return (DDI_FAILURE); 6658*4c06356bSdh 6659*4c06356bSdh /* current implementation is based on hash, convert n_items to hash */ 6660*4c06356bSdh hash_sz = n_items / SS_N_ITEMS_PER_HASH; 6661*4c06356bSdh if (hash_sz < SS_MIN_HASH_SZ) 6662*4c06356bSdh hash_sz = SS_MIN_HASH_SZ; 6663*4c06356bSdh else if (hash_sz > SS_MAX_HASH_SZ) 6664*4c06356bSdh hash_sz = SS_MAX_HASH_SZ; 6665*4c06356bSdh 6666*4c06356bSdh ss = kmem_alloc(sizeof (*ss), KM_SLEEP); 6667*4c06356bSdh ss->strid_space = id_space_create("strid", 1, n_items); 6668*4c06356bSdh ss->strid_bystr = mod_hash_create_strhash("strid_bystr", hash_sz, 6669*4c06356bSdh mod_hash_null_valdtor); 6670*4c06356bSdh ss->strid_byid = mod_hash_create_idhash("strid_byid", hash_sz, 6671*4c06356bSdh mod_hash_null_valdtor); 6672*4c06356bSdh *strid_p = (ddi_strid *)ss; 6673*4c06356bSdh return (DDI_SUCCESS); 6674*4c06356bSdh } 6675*4c06356bSdh 6676*4c06356bSdh #define ID_FIXED_SIZE 0x1 6677*4c06356bSdh 6678*4c06356bSdh /* allocate an id mapping within the specified set for str, return id */ 6679*4c06356bSdh static id_t 6680*4c06356bSdh i_ddi_strid_alloc(ddi_strid *strid, char *str, int flags) 6681*4c06356bSdh { 6682*4c06356bSdh i_ddi_strid *ss = (i_ddi_strid *)strid; 6683*4c06356bSdh id_t id; 6684*4c06356bSdh char *s; 6685*4c06356bSdh 6686*4c06356bSdh ASSERT(ss && str); 6687*4c06356bSdh if ((ss == NULL) || (str == NULL)) 6688*4c06356bSdh return (0); 6689*4c06356bSdh 6690*4c06356bSdh /* 6691*4c06356bSdh * Allocate an id using VM_FIRSTFIT in order to keep allocated id 6692*4c06356bSdh * range as compressed as possible. This is important to minimize 6693*4c06356bSdh * the amount of space used when the id is used as a ddi_soft_state 6694*4c06356bSdh * index by the caller. 6695*4c06356bSdh * 6696*4c06356bSdh * If ID_FIXED_SIZE, use the _nosleep variant to fail rather 6697*4c06356bSdh * than sleep in id_allocff() 6698*4c06356bSdh */ 6699*4c06356bSdh if (flags & ID_FIXED_SIZE) { 6700*4c06356bSdh id = id_allocff_nosleep(ss->strid_space); 6701*4c06356bSdh if (id == (id_t)-1) 6702*4c06356bSdh return (0); 6703*4c06356bSdh } else { 6704*4c06356bSdh id = id_allocff(ss->strid_space); 6705*4c06356bSdh } 6706*4c06356bSdh 6707*4c06356bSdh /* 6708*4c06356bSdh * NOTE: since we create and destroy in unison we can save space by 6709*4c06356bSdh * using bystr key as the byid value. This means destroy must occur 6710*4c06356bSdh * in (byid, bystr) order. 6711*4c06356bSdh */ 6712*4c06356bSdh s = i_ddi_strdup(str, KM_SLEEP); 6713*4c06356bSdh if (mod_hash_insert(ss->strid_bystr, (mod_hash_key_t)s, 6714*4c06356bSdh (mod_hash_val_t)(intptr_t)id) != 0) { 6715*4c06356bSdh ddi_strid_free(strid, id); 6716*4c06356bSdh return (0); 6717*4c06356bSdh } 6718*4c06356bSdh if (mod_hash_insert(ss->strid_byid, (mod_hash_key_t)(intptr_t)id, 6719*4c06356bSdh (mod_hash_val_t)s) != 0) { 6720*4c06356bSdh ddi_strid_free(strid, id); 6721*4c06356bSdh return (0); 6722*4c06356bSdh } 6723*4c06356bSdh 6724*4c06356bSdh /* NOTE: s if freed on mod_hash_destroy by mod_hash_strval_dtor */ 6725*4c06356bSdh return (id); 6726*4c06356bSdh } 6727*4c06356bSdh 6728*4c06356bSdh /* allocate an id mapping within the specified set for str, return id */ 6729*4c06356bSdh id_t 6730*4c06356bSdh ddi_strid_alloc(ddi_strid *strid, char *str) 6731*4c06356bSdh { 6732*4c06356bSdh return (i_ddi_strid_alloc(strid, str, 0)); 6733*4c06356bSdh } 6734*4c06356bSdh 6735*4c06356bSdh /* allocate an id mapping within the specified set for str, return id */ 6736*4c06356bSdh id_t 6737*4c06356bSdh ddi_strid_fixed_alloc(ddi_strid *strid, char *str) 6738*4c06356bSdh { 6739*4c06356bSdh return (i_ddi_strid_alloc(strid, str, ID_FIXED_SIZE)); 6740*4c06356bSdh } 6741*4c06356bSdh 6742*4c06356bSdh /* return the id within the specified strid given the str */ 6743*4c06356bSdh id_t 6744*4c06356bSdh ddi_strid_str2id(ddi_strid *strid, char *str) 6745*4c06356bSdh { 6746*4c06356bSdh i_ddi_strid *ss = (i_ddi_strid *)strid; 6747*4c06356bSdh id_t id = 0; 6748*4c06356bSdh mod_hash_val_t hv; 6749*4c06356bSdh 6750*4c06356bSdh ASSERT(ss && str); 6751*4c06356bSdh if (ss && str && (mod_hash_find(ss->strid_bystr, 6752*4c06356bSdh (mod_hash_key_t)str, &hv) == 0)) 6753*4c06356bSdh id = (int)(intptr_t)hv; 6754*4c06356bSdh return (id); 6755*4c06356bSdh } 6756*4c06356bSdh 6757*4c06356bSdh /* return str within the specified strid given the id */ 6758*4c06356bSdh char * 6759*4c06356bSdh ddi_strid_id2str(ddi_strid *strid, id_t id) 6760*4c06356bSdh { 6761*4c06356bSdh i_ddi_strid *ss = (i_ddi_strid *)strid; 6762*4c06356bSdh char *str = NULL; 6763*4c06356bSdh mod_hash_val_t hv; 6764*4c06356bSdh 6765*4c06356bSdh ASSERT(ss && id > 0); 6766*4c06356bSdh if (ss && (id > 0) && (mod_hash_find(ss->strid_byid, 6767*4c06356bSdh (mod_hash_key_t)(uintptr_t)id, &hv) == 0)) 6768*4c06356bSdh str = (char *)hv; 6769*4c06356bSdh return (str); 6770*4c06356bSdh } 6771*4c06356bSdh 6772*4c06356bSdh /* free the id mapping within the specified strid */ 6773*4c06356bSdh void 6774*4c06356bSdh ddi_strid_free(ddi_strid *strid, id_t id) 6775*4c06356bSdh { 6776*4c06356bSdh i_ddi_strid *ss = (i_ddi_strid *)strid; 6777*4c06356bSdh char *str; 6778*4c06356bSdh 6779*4c06356bSdh ASSERT(ss && id > 0); 6780*4c06356bSdh if ((ss == NULL) || (id <= 0)) 6781*4c06356bSdh return; 6782*4c06356bSdh 6783*4c06356bSdh /* bystr key is byid value: destroy order must be (byid, bystr) */ 6784*4c06356bSdh str = ddi_strid_id2str(strid, id); 6785*4c06356bSdh (void) mod_hash_destroy(ss->strid_byid, (mod_hash_key_t)(uintptr_t)id); 6786*4c06356bSdh id_free(ss->strid_space, id); 6787*4c06356bSdh 6788*4c06356bSdh if (str) 6789*4c06356bSdh (void) mod_hash_destroy(ss->strid_bystr, (mod_hash_key_t)str); 6790*4c06356bSdh } 6791*4c06356bSdh 6792*4c06356bSdh /* destroy the strid set */ 6793*4c06356bSdh void 6794*4c06356bSdh ddi_strid_fini(ddi_strid **strid_p) 6795*4c06356bSdh { 6796*4c06356bSdh i_ddi_strid *ss; 6797*4c06356bSdh 6798*4c06356bSdh ASSERT(strid_p); 6799*4c06356bSdh if (strid_p == NULL) 6800*4c06356bSdh return; 6801*4c06356bSdh 6802*4c06356bSdh ss = (i_ddi_strid *)(*strid_p); 6803*4c06356bSdh if (ss == NULL) 6804*4c06356bSdh return; 6805*4c06356bSdh 6806*4c06356bSdh /* bystr key is byid value: destroy order must be (byid, bystr) */ 6807*4c06356bSdh if (ss->strid_byid) 6808*4c06356bSdh mod_hash_destroy_hash(ss->strid_byid); 6809*4c06356bSdh if (ss->strid_byid) 6810*4c06356bSdh mod_hash_destroy_hash(ss->strid_bystr); 6811*4c06356bSdh if (ss->strid_space) 6812*4c06356bSdh id_space_destroy(ss->strid_space); 6813*4c06356bSdh kmem_free(ss, sizeof (*ss)); 6814*4c06356bSdh *strid_p = NULL; 6815*4c06356bSdh } 6816*4c06356bSdh 68177c478bd9Sstevel@tonic-gate /* 6818fe9fe9fbScth * This sets the devi_addr entry in the dev_info structure 'dip' to 'name'. 6819fe9fe9fbScth * Storage is double buffered to prevent updates during devi_addr use - 6820fe9fe9fbScth * double buffering is adaquate for reliable ddi_deviname() consumption. 6821fe9fe9fbScth * The double buffer is not freed until dev_info structure destruction 6822fe9fe9fbScth * (by i_ddi_free_node). 68237c478bd9Sstevel@tonic-gate */ 68247c478bd9Sstevel@tonic-gate void 68257c478bd9Sstevel@tonic-gate ddi_set_name_addr(dev_info_t *dip, char *name) 68267c478bd9Sstevel@tonic-gate { 6827fe9fe9fbScth char *buf = DEVI(dip)->devi_addr_buf; 6828fe9fe9fbScth char *newaddr; 68297c478bd9Sstevel@tonic-gate 6830fe9fe9fbScth if (buf == NULL) { 6831fe9fe9fbScth buf = kmem_zalloc(2 * MAXNAMELEN, KM_SLEEP); 6832fe9fe9fbScth DEVI(dip)->devi_addr_buf = buf; 68337c478bd9Sstevel@tonic-gate } 6834fe9fe9fbScth 6835fe9fe9fbScth if (name) { 6836fe9fe9fbScth ASSERT(strlen(name) < MAXNAMELEN); 6837fe9fe9fbScth newaddr = (DEVI(dip)->devi_addr == buf) ? 6838fe9fe9fbScth (buf + MAXNAMELEN) : buf; 6839fe9fe9fbScth (void) strlcpy(newaddr, name, MAXNAMELEN); 6840fe9fe9fbScth } else 6841fe9fe9fbScth newaddr = NULL; 6842fe9fe9fbScth 6843fe9fe9fbScth DEVI(dip)->devi_addr = newaddr; 68447c478bd9Sstevel@tonic-gate } 68457c478bd9Sstevel@tonic-gate 68467c478bd9Sstevel@tonic-gate char * 68477c478bd9Sstevel@tonic-gate ddi_get_name_addr(dev_info_t *dip) 68487c478bd9Sstevel@tonic-gate { 68497c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_addr); 68507c478bd9Sstevel@tonic-gate } 68517c478bd9Sstevel@tonic-gate 68527c478bd9Sstevel@tonic-gate void 68537c478bd9Sstevel@tonic-gate ddi_set_parent_data(dev_info_t *dip, void *pd) 68547c478bd9Sstevel@tonic-gate { 68557c478bd9Sstevel@tonic-gate DEVI(dip)->devi_parent_data = pd; 68567c478bd9Sstevel@tonic-gate } 68577c478bd9Sstevel@tonic-gate 68587c478bd9Sstevel@tonic-gate void * 68597c478bd9Sstevel@tonic-gate ddi_get_parent_data(dev_info_t *dip) 68607c478bd9Sstevel@tonic-gate { 68617c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_parent_data); 68627c478bd9Sstevel@tonic-gate } 68637c478bd9Sstevel@tonic-gate 68647c478bd9Sstevel@tonic-gate /* 68655c066ec2SJerry Gilliam * ddi_name_to_major: returns the major number of a named module, 68665c066ec2SJerry Gilliam * derived from the current driver alias binding. 68675c066ec2SJerry Gilliam * 68685c066ec2SJerry Gilliam * Caveat: drivers should avoid the use of this function, in particular 68695c066ec2SJerry Gilliam * together with ddi_get_name/ddi_binding name, as per 68705c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_get_name(devi)); 68715c066ec2SJerry Gilliam * ddi_name_to_major() relies on the state of the device/alias binding, 68725c066ec2SJerry Gilliam * which can and does change dynamically as aliases are administered 68735c066ec2SJerry Gilliam * over time. An attached device instance cannot rely on the major 68745c066ec2SJerry Gilliam * number returned by ddi_name_to_major() to match its own major number. 68755c066ec2SJerry Gilliam * 68765c066ec2SJerry Gilliam * For driver use, ddi_driver_major() reliably returns the major number 68775c066ec2SJerry Gilliam * for the module to which the device was bound at attach time over 68785c066ec2SJerry Gilliam * the life of the instance. 68795c066ec2SJerry Gilliam * major = ddi_driver_major(dev_info_t *) 68807c478bd9Sstevel@tonic-gate */ 68817c478bd9Sstevel@tonic-gate major_t 68827c478bd9Sstevel@tonic-gate ddi_name_to_major(char *name) 68837c478bd9Sstevel@tonic-gate { 68847c478bd9Sstevel@tonic-gate return (mod_name_to_major(name)); 68857c478bd9Sstevel@tonic-gate } 68867c478bd9Sstevel@tonic-gate 68877c478bd9Sstevel@tonic-gate /* 68887c478bd9Sstevel@tonic-gate * ddi_major_to_name: Returns the module name bound to a major number. 68897c478bd9Sstevel@tonic-gate */ 68907c478bd9Sstevel@tonic-gate char * 68917c478bd9Sstevel@tonic-gate ddi_major_to_name(major_t major) 68927c478bd9Sstevel@tonic-gate { 68937c478bd9Sstevel@tonic-gate return (mod_major_to_name(major)); 68947c478bd9Sstevel@tonic-gate } 68957c478bd9Sstevel@tonic-gate 68967c478bd9Sstevel@tonic-gate /* 68977c478bd9Sstevel@tonic-gate * Return the name of the devinfo node pointed at by 'dip' in the buffer 68987c478bd9Sstevel@tonic-gate * pointed at by 'name.' A devinfo node is named as a result of calling 68997c478bd9Sstevel@tonic-gate * ddi_initchild(). 69007c478bd9Sstevel@tonic-gate * 69017c478bd9Sstevel@tonic-gate * Note: the driver must be held before calling this function! 69027c478bd9Sstevel@tonic-gate */ 69037c478bd9Sstevel@tonic-gate char * 69047c478bd9Sstevel@tonic-gate ddi_deviname(dev_info_t *dip, char *name) 69057c478bd9Sstevel@tonic-gate { 69067c478bd9Sstevel@tonic-gate char *addrname; 69077c478bd9Sstevel@tonic-gate char none = '\0'; 69087c478bd9Sstevel@tonic-gate 69097c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 69107c478bd9Sstevel@tonic-gate *name = '\0'; 69117c478bd9Sstevel@tonic-gate return (name); 69127c478bd9Sstevel@tonic-gate } 69137c478bd9Sstevel@tonic-gate 6914f4da9be0Scth if (i_ddi_node_state(dip) < DS_BOUND) { 69157c478bd9Sstevel@tonic-gate addrname = &none; 69167c478bd9Sstevel@tonic-gate } else { 6917f4da9be0Scth /* 6918f4da9be0Scth * Use ddi_get_name_addr() without checking state so we get 6919f4da9be0Scth * a unit-address if we are called after ddi_set_name_addr() 6920f4da9be0Scth * by nexus DDI_CTL_INITCHILD code, but before completing 6921f4da9be0Scth * node promotion to DS_INITIALIZED. We currently have 6922f4da9be0Scth * two situations where we are called in this state: 6923f4da9be0Scth * o For framework processing of a path-oriented alias. 6924f4da9be0Scth * o If a SCSA nexus driver calls ddi_devid_register() 6925f4da9be0Scth * from it's tran_tgt_init(9E) implementation. 6926f4da9be0Scth */ 69277c478bd9Sstevel@tonic-gate addrname = ddi_get_name_addr(dip); 6928f4da9be0Scth if (addrname == NULL) 6929f4da9be0Scth addrname = &none; 69307c478bd9Sstevel@tonic-gate } 69317c478bd9Sstevel@tonic-gate 69327c478bd9Sstevel@tonic-gate if (*addrname == '\0') { 69337c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s", ddi_node_name(dip)); 69347c478bd9Sstevel@tonic-gate } else { 69357c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s@%s", ddi_node_name(dip), addrname); 69367c478bd9Sstevel@tonic-gate } 69377c478bd9Sstevel@tonic-gate 69387c478bd9Sstevel@tonic-gate return (name); 69397c478bd9Sstevel@tonic-gate } 69407c478bd9Sstevel@tonic-gate 69417c478bd9Sstevel@tonic-gate /* 69427c478bd9Sstevel@tonic-gate * Spits out the name of device node, typically name@addr, for a given node, 69437c478bd9Sstevel@tonic-gate * using the driver name, not the nodename. 69447c478bd9Sstevel@tonic-gate * 69457c478bd9Sstevel@tonic-gate * Used by match_parent. Not to be used elsewhere. 69467c478bd9Sstevel@tonic-gate */ 69477c478bd9Sstevel@tonic-gate char * 69487c478bd9Sstevel@tonic-gate i_ddi_parname(dev_info_t *dip, char *name) 69497c478bd9Sstevel@tonic-gate { 69507c478bd9Sstevel@tonic-gate char *addrname; 69517c478bd9Sstevel@tonic-gate 69527c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 69537c478bd9Sstevel@tonic-gate *name = '\0'; 69547c478bd9Sstevel@tonic-gate return (name); 69557c478bd9Sstevel@tonic-gate } 69567c478bd9Sstevel@tonic-gate 69577c478bd9Sstevel@tonic-gate ASSERT(i_ddi_node_state(dip) >= DS_INITIALIZED); 69587c478bd9Sstevel@tonic-gate 69597c478bd9Sstevel@tonic-gate if (*(addrname = ddi_get_name_addr(dip)) == '\0') 69607c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s", ddi_binding_name(dip)); 69617c478bd9Sstevel@tonic-gate else 69627c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s@%s", ddi_binding_name(dip), addrname); 69637c478bd9Sstevel@tonic-gate return (name); 69647c478bd9Sstevel@tonic-gate } 69657c478bd9Sstevel@tonic-gate 69667c478bd9Sstevel@tonic-gate static char * 69677c478bd9Sstevel@tonic-gate pathname_work(dev_info_t *dip, char *path) 69687c478bd9Sstevel@tonic-gate { 69697c478bd9Sstevel@tonic-gate char *bp; 69707c478bd9Sstevel@tonic-gate 69717c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 69727c478bd9Sstevel@tonic-gate *path = '\0'; 69737c478bd9Sstevel@tonic-gate return (path); 69747c478bd9Sstevel@tonic-gate } 69757c478bd9Sstevel@tonic-gate (void) pathname_work(ddi_get_parent(dip), path); 69767c478bd9Sstevel@tonic-gate bp = path + strlen(path); 69777c478bd9Sstevel@tonic-gate (void) ddi_deviname(dip, bp); 69787c478bd9Sstevel@tonic-gate return (path); 69797c478bd9Sstevel@tonic-gate } 69807c478bd9Sstevel@tonic-gate 69817c478bd9Sstevel@tonic-gate char * 69827c478bd9Sstevel@tonic-gate ddi_pathname(dev_info_t *dip, char *path) 69837c478bd9Sstevel@tonic-gate { 69847c478bd9Sstevel@tonic-gate return (pathname_work(dip, path)); 69857c478bd9Sstevel@tonic-gate } 69867c478bd9Sstevel@tonic-gate 6987f9722deaSChris Horne char * 6988f9722deaSChris Horne ddi_pathname_minor(struct ddi_minor_data *dmdp, char *path) 6989f9722deaSChris Horne { 6990f9722deaSChris Horne if (dmdp->dip == NULL) 6991f9722deaSChris Horne *path = '\0'; 6992f9722deaSChris Horne else { 6993f9722deaSChris Horne (void) ddi_pathname(dmdp->dip, path); 6994f9722deaSChris Horne if (dmdp->ddm_name) { 6995f9722deaSChris Horne (void) strcat(path, ":"); 6996f9722deaSChris Horne (void) strcat(path, dmdp->ddm_name); 6997f9722deaSChris Horne } 6998f9722deaSChris Horne } 6999f9722deaSChris Horne return (path); 7000f9722deaSChris Horne } 7001f9722deaSChris Horne 700238c67cbdSjiang wu - Sun Microsystems - Beijing China static char * 700338c67cbdSjiang wu - Sun Microsystems - Beijing China pathname_work_obp(dev_info_t *dip, char *path) 700438c67cbdSjiang wu - Sun Microsystems - Beijing China { 700538c67cbdSjiang wu - Sun Microsystems - Beijing China char *bp; 700638c67cbdSjiang wu - Sun Microsystems - Beijing China char *obp_path; 700738c67cbdSjiang wu - Sun Microsystems - Beijing China 700838c67cbdSjiang wu - Sun Microsystems - Beijing China /* 700938c67cbdSjiang wu - Sun Microsystems - Beijing China * look up the "obp-path" property, return the path if it exists 701038c67cbdSjiang wu - Sun Microsystems - Beijing China */ 701138c67cbdSjiang wu - Sun Microsystems - Beijing China if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 701238c67cbdSjiang wu - Sun Microsystems - Beijing China "obp-path", &obp_path) == DDI_PROP_SUCCESS) { 701338c67cbdSjiang wu - Sun Microsystems - Beijing China (void) strcpy(path, obp_path); 701438c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_prop_free(obp_path); 701538c67cbdSjiang wu - Sun Microsystems - Beijing China return (path); 701638c67cbdSjiang wu - Sun Microsystems - Beijing China } 701738c67cbdSjiang wu - Sun Microsystems - Beijing China 701838c67cbdSjiang wu - Sun Microsystems - Beijing China /* 701938c67cbdSjiang wu - Sun Microsystems - Beijing China * stop at root, no obp path 702038c67cbdSjiang wu - Sun Microsystems - Beijing China */ 702138c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == ddi_root_node()) { 702238c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 702338c67cbdSjiang wu - Sun Microsystems - Beijing China } 702438c67cbdSjiang wu - Sun Microsystems - Beijing China 702538c67cbdSjiang wu - Sun Microsystems - Beijing China obp_path = pathname_work_obp(ddi_get_parent(dip), path); 702638c67cbdSjiang wu - Sun Microsystems - Beijing China if (obp_path == NULL) 702738c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 702838c67cbdSjiang wu - Sun Microsystems - Beijing China 702938c67cbdSjiang wu - Sun Microsystems - Beijing China /* 703038c67cbdSjiang wu - Sun Microsystems - Beijing China * append our component to parent's obp path 703138c67cbdSjiang wu - Sun Microsystems - Beijing China */ 703238c67cbdSjiang wu - Sun Microsystems - Beijing China bp = path + strlen(path); 703338c67cbdSjiang wu - Sun Microsystems - Beijing China if (*(bp - 1) != '/') 703438c67cbdSjiang wu - Sun Microsystems - Beijing China (void) strcat(bp++, "/"); 703538c67cbdSjiang wu - Sun Microsystems - Beijing China (void) ddi_deviname(dip, bp); 703638c67cbdSjiang wu - Sun Microsystems - Beijing China return (path); 703738c67cbdSjiang wu - Sun Microsystems - Beijing China } 703838c67cbdSjiang wu - Sun Microsystems - Beijing China 703938c67cbdSjiang wu - Sun Microsystems - Beijing China /* 704038c67cbdSjiang wu - Sun Microsystems - Beijing China * return the 'obp-path' based path for the given node, or NULL if the node 704138c67cbdSjiang wu - Sun Microsystems - Beijing China * does not have a different obp path. NOTE: Unlike ddi_pathname, this 704238c67cbdSjiang wu - Sun Microsystems - Beijing China * function can't be called from interrupt context (since we need to 704338c67cbdSjiang wu - Sun Microsystems - Beijing China * lookup a string property). 704438c67cbdSjiang wu - Sun Microsystems - Beijing China */ 704538c67cbdSjiang wu - Sun Microsystems - Beijing China char * 704638c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_pathname_obp(dev_info_t *dip, char *path) 704738c67cbdSjiang wu - Sun Microsystems - Beijing China { 704838c67cbdSjiang wu - Sun Microsystems - Beijing China ASSERT(!servicing_interrupt()); 704938c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == NULL || path == NULL) 705038c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 705138c67cbdSjiang wu - Sun Microsystems - Beijing China 705238c67cbdSjiang wu - Sun Microsystems - Beijing China /* split work into a separate function to aid debugging */ 705338c67cbdSjiang wu - Sun Microsystems - Beijing China return (pathname_work_obp(dip, path)); 705438c67cbdSjiang wu - Sun Microsystems - Beijing China } 705538c67cbdSjiang wu - Sun Microsystems - Beijing China 705638c67cbdSjiang wu - Sun Microsystems - Beijing China int 705738c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_pathname_obp_set(dev_info_t *dip, char *component) 705838c67cbdSjiang wu - Sun Microsystems - Beijing China { 705938c67cbdSjiang wu - Sun Microsystems - Beijing China dev_info_t *pdip; 7060caa9369fSjiang wu - Sun Microsystems - Beijing China char *obp_path = NULL; 7061caa9369fSjiang wu - Sun Microsystems - Beijing China int rc = DDI_FAILURE; 706238c67cbdSjiang wu - Sun Microsystems - Beijing China 706338c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == NULL) 706438c67cbdSjiang wu - Sun Microsystems - Beijing China return (DDI_FAILURE); 7065caa9369fSjiang wu - Sun Microsystems - Beijing China 7066caa9369fSjiang wu - Sun Microsystems - Beijing China obp_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 7067caa9369fSjiang wu - Sun Microsystems - Beijing China 706838c67cbdSjiang wu - Sun Microsystems - Beijing China pdip = ddi_get_parent(dip); 706938c67cbdSjiang wu - Sun Microsystems - Beijing China 707038c67cbdSjiang wu - Sun Microsystems - Beijing China if (ddi_pathname_obp(pdip, obp_path) == NULL) { 707138c67cbdSjiang wu - Sun Microsystems - Beijing China (void) ddi_pathname(pdip, obp_path); 707238c67cbdSjiang wu - Sun Microsystems - Beijing China } 707338c67cbdSjiang wu - Sun Microsystems - Beijing China 707438c67cbdSjiang wu - Sun Microsystems - Beijing China if (component) { 7075caa9369fSjiang wu - Sun Microsystems - Beijing China (void) strncat(obp_path, "/", MAXPATHLEN); 7076caa9369fSjiang wu - Sun Microsystems - Beijing China (void) strncat(obp_path, component, MAXPATHLEN); 707738c67cbdSjiang wu - Sun Microsystems - Beijing China } 7078caa9369fSjiang wu - Sun Microsystems - Beijing China rc = ndi_prop_update_string(DDI_DEV_T_NONE, dip, "obp-path", 7079caa9369fSjiang wu - Sun Microsystems - Beijing China obp_path); 7080caa9369fSjiang wu - Sun Microsystems - Beijing China 7081caa9369fSjiang wu - Sun Microsystems - Beijing China if (obp_path) 7082caa9369fSjiang wu - Sun Microsystems - Beijing China kmem_free(obp_path, MAXPATHLEN); 7083caa9369fSjiang wu - Sun Microsystems - Beijing China 7084caa9369fSjiang wu - Sun Microsystems - Beijing China return (rc); 708538c67cbdSjiang wu - Sun Microsystems - Beijing China } 708638c67cbdSjiang wu - Sun Microsystems - Beijing China 70877c478bd9Sstevel@tonic-gate /* 70887c478bd9Sstevel@tonic-gate * Given a dev_t, return the pathname of the corresponding device in the 70897c478bd9Sstevel@tonic-gate * buffer pointed at by "path." The buffer is assumed to be large enough 70907c478bd9Sstevel@tonic-gate * to hold the pathname of the device (MAXPATHLEN). 70917c478bd9Sstevel@tonic-gate * 70927c478bd9Sstevel@tonic-gate * The pathname of a device is the pathname of the devinfo node to which 70937c478bd9Sstevel@tonic-gate * the device "belongs," concatenated with the character ':' and the name 70947c478bd9Sstevel@tonic-gate * of the minor node corresponding to the dev_t. If spec_type is 0 then 70957c478bd9Sstevel@tonic-gate * just the pathname of the devinfo node is returned without driving attach 70967c478bd9Sstevel@tonic-gate * of that node. For a non-zero spec_type, an attach is performed and a 70977c478bd9Sstevel@tonic-gate * search of the minor list occurs. 70987c478bd9Sstevel@tonic-gate * 70997c478bd9Sstevel@tonic-gate * It is possible that the path associated with the dev_t is not 71007c478bd9Sstevel@tonic-gate * currently available in the devinfo tree. In order to have a 71017c478bd9Sstevel@tonic-gate * dev_t, a device must have been discovered before, which means 71027c478bd9Sstevel@tonic-gate * that the path is always in the instance tree. The one exception 71037c478bd9Sstevel@tonic-gate * to this is if the dev_t is associated with a pseudo driver, in 71047c478bd9Sstevel@tonic-gate * which case the device must exist on the pseudo branch of the 71057c478bd9Sstevel@tonic-gate * devinfo tree as a result of parsing .conf files. 71067c478bd9Sstevel@tonic-gate */ 71077c478bd9Sstevel@tonic-gate int 71087c478bd9Sstevel@tonic-gate ddi_dev_pathname(dev_t devt, int spec_type, char *path) 71097c478bd9Sstevel@tonic-gate { 7110b9ccdc5aScth int circ; 71117c478bd9Sstevel@tonic-gate major_t major = getmajor(devt); 71127c478bd9Sstevel@tonic-gate int instance; 71137c478bd9Sstevel@tonic-gate dev_info_t *dip; 71147c478bd9Sstevel@tonic-gate char *minorname; 71157c478bd9Sstevel@tonic-gate char *drvname; 71167c478bd9Sstevel@tonic-gate 71177c478bd9Sstevel@tonic-gate if (major >= devcnt) 71187c478bd9Sstevel@tonic-gate goto fail; 71197c478bd9Sstevel@tonic-gate if (major == clone_major) { 71207c478bd9Sstevel@tonic-gate /* clone has no minor nodes, manufacture the path here */ 71217c478bd9Sstevel@tonic-gate if ((drvname = ddi_major_to_name(getminor(devt))) == NULL) 71227c478bd9Sstevel@tonic-gate goto fail; 71237c478bd9Sstevel@tonic-gate 71247c478bd9Sstevel@tonic-gate (void) snprintf(path, MAXPATHLEN, "%s:%s", CLONE_PATH, drvname); 71257c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 71267c478bd9Sstevel@tonic-gate } 71277c478bd9Sstevel@tonic-gate 71287c478bd9Sstevel@tonic-gate /* extract instance from devt (getinfo(9E) DDI_INFO_DEVT2INSTANCE). */ 71297c478bd9Sstevel@tonic-gate if ((instance = dev_to_instance(devt)) == -1) 71307c478bd9Sstevel@tonic-gate goto fail; 71317c478bd9Sstevel@tonic-gate 71327c478bd9Sstevel@tonic-gate /* reconstruct the path given the major/instance */ 71337c478bd9Sstevel@tonic-gate if (e_ddi_majorinstance_to_path(major, instance, path) != DDI_SUCCESS) 71347c478bd9Sstevel@tonic-gate goto fail; 71357c478bd9Sstevel@tonic-gate 71367c478bd9Sstevel@tonic-gate /* if spec_type given we must drive attach and search minor nodes */ 71377c478bd9Sstevel@tonic-gate if ((spec_type == S_IFCHR) || (spec_type == S_IFBLK)) { 71387c478bd9Sstevel@tonic-gate /* attach the path so we can search minors */ 71397c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_path(path, 0)) == NULL) 71407c478bd9Sstevel@tonic-gate goto fail; 71417c478bd9Sstevel@tonic-gate 71427c478bd9Sstevel@tonic-gate /* Add minorname to path. */ 7143b9ccdc5aScth ndi_devi_enter(dip, &circ); 71447c478bd9Sstevel@tonic-gate minorname = i_ddi_devtspectype_to_minorname(dip, 71457c478bd9Sstevel@tonic-gate devt, spec_type); 71467c478bd9Sstevel@tonic-gate if (minorname) { 71477c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 71487c478bd9Sstevel@tonic-gate (void) strcat(path, minorname); 71497c478bd9Sstevel@tonic-gate } 7150b9ccdc5aScth ndi_devi_exit(dip, circ); 71517c478bd9Sstevel@tonic-gate ddi_release_devi(dip); 71527c478bd9Sstevel@tonic-gate if (minorname == NULL) 71537c478bd9Sstevel@tonic-gate goto fail; 71547c478bd9Sstevel@tonic-gate } 71557c478bd9Sstevel@tonic-gate ASSERT(strlen(path) < MAXPATHLEN); 71567c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 71577c478bd9Sstevel@tonic-gate 71587c478bd9Sstevel@tonic-gate fail: *path = 0; 71597c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 71607c478bd9Sstevel@tonic-gate } 71617c478bd9Sstevel@tonic-gate 71627c478bd9Sstevel@tonic-gate /* 71637c478bd9Sstevel@tonic-gate * Given a major number and an instance, return the path. 71647c478bd9Sstevel@tonic-gate * This interface does NOT drive attach. 71657c478bd9Sstevel@tonic-gate */ 71667c478bd9Sstevel@tonic-gate int 71677c478bd9Sstevel@tonic-gate e_ddi_majorinstance_to_path(major_t major, int instance, char *path) 71687c478bd9Sstevel@tonic-gate { 716905a69601Scth struct devnames *dnp; 71707c478bd9Sstevel@tonic-gate dev_info_t *dip; 71717c478bd9Sstevel@tonic-gate 717205a69601Scth if ((major >= devcnt) || (instance == -1)) { 717305a69601Scth *path = 0; 717405a69601Scth return (DDI_FAILURE); 717505a69601Scth } 717605a69601Scth 71777c478bd9Sstevel@tonic-gate /* look for the major/instance in the instance tree */ 71787c478bd9Sstevel@tonic-gate if (e_ddi_instance_majorinstance_to_path(major, instance, 717905a69601Scth path) == DDI_SUCCESS) { 718005a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 718105a69601Scth return (DDI_SUCCESS); 718205a69601Scth } 718305a69601Scth 718405a69601Scth /* 718505a69601Scth * Not in instance tree, find the instance on the per driver list and 718605a69601Scth * construct path to instance via ddi_pathname(). This is how paths 718705a69601Scth * down the 'pseudo' branch are constructed. 718805a69601Scth */ 718905a69601Scth dnp = &(devnamesp[major]); 719005a69601Scth LOCK_DEV_OPS(&(dnp->dn_lock)); 719105a69601Scth for (dip = dnp->dn_head; dip; 719205a69601Scth dip = (dev_info_t *)DEVI(dip)->devi_next) { 719305a69601Scth /* Skip if instance does not match. */ 719405a69601Scth if (DEVI(dip)->devi_instance != instance) 719505a69601Scth continue; 719605a69601Scth 719705a69601Scth /* 719805a69601Scth * An ndi_hold_devi() does not prevent DS_INITIALIZED->DS_BOUND 719905a69601Scth * node demotion, so it is not an effective way of ensuring 720005a69601Scth * that the ddi_pathname result has a unit-address. Instead, 720105a69601Scth * we reverify the node state after calling ddi_pathname(). 720205a69601Scth */ 720305a69601Scth if (i_ddi_node_state(dip) >= DS_INITIALIZED) { 720405a69601Scth (void) ddi_pathname(dip, path); 720505a69601Scth if (i_ddi_node_state(dip) < DS_INITIALIZED) 720605a69601Scth continue; 720705a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 720805a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 720905a69601Scth return (DDI_SUCCESS); 72107c478bd9Sstevel@tonic-gate } 72117c478bd9Sstevel@tonic-gate } 721205a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 72137c478bd9Sstevel@tonic-gate 721405a69601Scth /* can't reconstruct the path */ 721505a69601Scth *path = 0; 721605a69601Scth return (DDI_FAILURE); 721705a69601Scth } 72187c478bd9Sstevel@tonic-gate 72197c478bd9Sstevel@tonic-gate #define GLD_DRIVER_PPA "SUNW,gld_v0_ppa" 72207c478bd9Sstevel@tonic-gate 72217c478bd9Sstevel@tonic-gate /* 72227c478bd9Sstevel@tonic-gate * Given the dip for a network interface return the ppa for that interface. 72237c478bd9Sstevel@tonic-gate * 72247c478bd9Sstevel@tonic-gate * In all cases except GLD v0 drivers, the ppa == instance. 72257c478bd9Sstevel@tonic-gate * In the case of GLD v0 drivers, the ppa is equal to the attach order. 72267c478bd9Sstevel@tonic-gate * So for these drivers when the attach routine calls gld_register(), 72277c478bd9Sstevel@tonic-gate * the GLD framework creates an integer property called "gld_driver_ppa" 72287c478bd9Sstevel@tonic-gate * that can be queried here. 72297c478bd9Sstevel@tonic-gate * 72307c478bd9Sstevel@tonic-gate * The only time this function is used is when a system is booting over nfs. 72317c478bd9Sstevel@tonic-gate * In this case the system has to resolve the pathname of the boot device 72327c478bd9Sstevel@tonic-gate * to it's ppa. 72337c478bd9Sstevel@tonic-gate */ 72347c478bd9Sstevel@tonic-gate int 72357c478bd9Sstevel@tonic-gate i_ddi_devi_get_ppa(dev_info_t *dip) 72367c478bd9Sstevel@tonic-gate { 72377c478bd9Sstevel@tonic-gate return (ddi_prop_get_int(DDI_DEV_T_ANY, dip, 7238184cd04cScth DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, 7239184cd04cScth GLD_DRIVER_PPA, ddi_get_instance(dip))); 72407c478bd9Sstevel@tonic-gate } 72417c478bd9Sstevel@tonic-gate 72427c478bd9Sstevel@tonic-gate /* 72437c478bd9Sstevel@tonic-gate * i_ddi_devi_set_ppa() should only be called from gld_register() 72447c478bd9Sstevel@tonic-gate * and only for GLD v0 drivers 72457c478bd9Sstevel@tonic-gate */ 72467c478bd9Sstevel@tonic-gate void 72477c478bd9Sstevel@tonic-gate i_ddi_devi_set_ppa(dev_info_t *dip, int ppa) 72487c478bd9Sstevel@tonic-gate { 72497c478bd9Sstevel@tonic-gate (void) e_ddi_prop_update_int(DDI_DEV_T_NONE, dip, GLD_DRIVER_PPA, ppa); 72507c478bd9Sstevel@tonic-gate } 72517c478bd9Sstevel@tonic-gate 72527c478bd9Sstevel@tonic-gate 72537c478bd9Sstevel@tonic-gate /* 72547c478bd9Sstevel@tonic-gate * Private DDI Console bell functions. 72557c478bd9Sstevel@tonic-gate */ 72567c478bd9Sstevel@tonic-gate void 72577c478bd9Sstevel@tonic-gate ddi_ring_console_bell(clock_t duration) 72587c478bd9Sstevel@tonic-gate { 72597c478bd9Sstevel@tonic-gate if (ddi_console_bell_func != NULL) 72607c478bd9Sstevel@tonic-gate (*ddi_console_bell_func)(duration); 72617c478bd9Sstevel@tonic-gate } 72627c478bd9Sstevel@tonic-gate 72637c478bd9Sstevel@tonic-gate void 72647c478bd9Sstevel@tonic-gate ddi_set_console_bell(void (*bellfunc)(clock_t duration)) 72657c478bd9Sstevel@tonic-gate { 72667c478bd9Sstevel@tonic-gate ddi_console_bell_func = bellfunc; 72677c478bd9Sstevel@tonic-gate } 72687c478bd9Sstevel@tonic-gate 72697c478bd9Sstevel@tonic-gate int 72707c478bd9Sstevel@tonic-gate ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 72717c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 72727c478bd9Sstevel@tonic-gate { 72737c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_allochdl; 72747c478bd9Sstevel@tonic-gate ddi_dma_attr_t dma_attr; 72757c478bd9Sstevel@tonic-gate struct bus_ops *bop; 72767c478bd9Sstevel@tonic-gate 72777c478bd9Sstevel@tonic-gate if (attr == (ddi_dma_attr_t *)0) 72787c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 72797c478bd9Sstevel@tonic-gate 72807c478bd9Sstevel@tonic-gate dma_attr = *attr; 72817c478bd9Sstevel@tonic-gate 72827c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 72837c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_allochdl) 72847c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_allochdl; 72857c478bd9Sstevel@tonic-gate 72867c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dma_attr, waitfp, arg, handlep)); 72877c478bd9Sstevel@tonic-gate } 72887c478bd9Sstevel@tonic-gate 72897c478bd9Sstevel@tonic-gate void 72907c478bd9Sstevel@tonic-gate ddi_dma_free_handle(ddi_dma_handle_t *handlep) 72917c478bd9Sstevel@tonic-gate { 72927c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = *handlep; 72937c478bd9Sstevel@tonic-gate (void) ddi_dma_freehdl(HD, HD, h); 72947c478bd9Sstevel@tonic-gate } 72957c478bd9Sstevel@tonic-gate 72967c478bd9Sstevel@tonic-gate static uintptr_t dma_mem_list_id = 0; 72977c478bd9Sstevel@tonic-gate 72987c478bd9Sstevel@tonic-gate 72997c478bd9Sstevel@tonic-gate int 73007c478bd9Sstevel@tonic-gate ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 73017b93957cSeota ddi_device_acc_attr_t *accattrp, uint_t flags, 73027c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 73037c478bd9Sstevel@tonic-gate size_t *real_length, ddi_acc_handle_t *handlep) 73047c478bd9Sstevel@tonic-gate { 73057c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 73067c478bd9Sstevel@tonic-gate dev_info_t *dip = hp->dmai_rdip; 73077c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 73087c478bd9Sstevel@tonic-gate ddi_dma_attr_t *attrp = &hp->dmai_attr; 73097b93957cSeota uint_t sleepflag, xfermodes; 73107c478bd9Sstevel@tonic-gate int (*fp)(caddr_t); 73117c478bd9Sstevel@tonic-gate int rval; 73127c478bd9Sstevel@tonic-gate 73137c478bd9Sstevel@tonic-gate if (waitfp == DDI_DMA_SLEEP) 73147c478bd9Sstevel@tonic-gate fp = (int (*)())KM_SLEEP; 73157c478bd9Sstevel@tonic-gate else if (waitfp == DDI_DMA_DONTWAIT) 73167c478bd9Sstevel@tonic-gate fp = (int (*)())KM_NOSLEEP; 73177c478bd9Sstevel@tonic-gate else 73187c478bd9Sstevel@tonic-gate fp = waitfp; 73197c478bd9Sstevel@tonic-gate *handlep = impl_acc_hdl_alloc(fp, arg); 73207c478bd9Sstevel@tonic-gate if (*handlep == NULL) 73217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 73227c478bd9Sstevel@tonic-gate 732383220025Seota /* check if the cache attributes are supported */ 732483220025Seota if (i_ddi_check_cache_attr(flags) == B_FALSE) 73257b93957cSeota return (DDI_FAILURE); 73267b93957cSeota 73277b93957cSeota /* 73287b93957cSeota * Transfer the meaningful bits to xfermodes. 73297b93957cSeota * Double-check if the 3rd party driver correctly sets the bits. 73307b93957cSeota * If not, set DDI_DMA_STREAMING to keep compatibility. 73317b93957cSeota */ 73327b93957cSeota xfermodes = flags & (DDI_DMA_CONSISTENT | DDI_DMA_STREAMING); 73337b93957cSeota if (xfermodes == 0) { 73347b93957cSeota xfermodes = DDI_DMA_STREAMING; 73357b93957cSeota } 73367b93957cSeota 73377c478bd9Sstevel@tonic-gate /* 73387c478bd9Sstevel@tonic-gate * initialize the common elements of data access handle 73397c478bd9Sstevel@tonic-gate */ 73407c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 73417c478bd9Sstevel@tonic-gate ap->ah_vers = VERS_ACCHDL; 73427c478bd9Sstevel@tonic-gate ap->ah_dip = dip; 73437c478bd9Sstevel@tonic-gate ap->ah_offset = 0; 73447c478bd9Sstevel@tonic-gate ap->ah_len = 0; 73457b93957cSeota ap->ah_xfermodes = flags; 73467c478bd9Sstevel@tonic-gate ap->ah_acc = *accattrp; 73477c478bd9Sstevel@tonic-gate 73487c478bd9Sstevel@tonic-gate sleepflag = ((waitfp == DDI_DMA_SLEEP) ? 1 : 0); 73497c478bd9Sstevel@tonic-gate if (xfermodes == DDI_DMA_CONSISTENT) { 73507b93957cSeota rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 73517b93957cSeota flags, accattrp, kaddrp, NULL, ap); 73527c478bd9Sstevel@tonic-gate *real_length = length; 73537c478bd9Sstevel@tonic-gate } else { 73547b93957cSeota rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 73557b93957cSeota flags, accattrp, kaddrp, real_length, ap); 73567c478bd9Sstevel@tonic-gate } 73577c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 73587c478bd9Sstevel@tonic-gate ap->ah_len = (off_t)(*real_length); 73597c478bd9Sstevel@tonic-gate ap->ah_addr = *kaddrp; 73607c478bd9Sstevel@tonic-gate } else { 73617c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 73627c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 73637c478bd9Sstevel@tonic-gate if (waitfp != DDI_DMA_SLEEP && waitfp != DDI_DMA_DONTWAIT) { 73647c478bd9Sstevel@tonic-gate ddi_set_callback(waitfp, arg, &dma_mem_list_id); 73657c478bd9Sstevel@tonic-gate } 73667c478bd9Sstevel@tonic-gate rval = DDI_FAILURE; 73677c478bd9Sstevel@tonic-gate } 73687c478bd9Sstevel@tonic-gate return (rval); 73697c478bd9Sstevel@tonic-gate } 73707c478bd9Sstevel@tonic-gate 73717c478bd9Sstevel@tonic-gate void 73727c478bd9Sstevel@tonic-gate ddi_dma_mem_free(ddi_acc_handle_t *handlep) 73737c478bd9Sstevel@tonic-gate { 73747c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 73757c478bd9Sstevel@tonic-gate 73767c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 73777c478bd9Sstevel@tonic-gate ASSERT(ap); 73787c478bd9Sstevel@tonic-gate 73797b93957cSeota i_ddi_mem_free((caddr_t)ap->ah_addr, ap); 73807c478bd9Sstevel@tonic-gate 73817c478bd9Sstevel@tonic-gate /* 73827c478bd9Sstevel@tonic-gate * free the handle 73837c478bd9Sstevel@tonic-gate */ 73847c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 73857c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 73867c478bd9Sstevel@tonic-gate 73877c478bd9Sstevel@tonic-gate if (dma_mem_list_id != 0) { 73887c478bd9Sstevel@tonic-gate ddi_run_callback(&dma_mem_list_id); 73897c478bd9Sstevel@tonic-gate } 73907c478bd9Sstevel@tonic-gate } 73917c478bd9Sstevel@tonic-gate 73927c478bd9Sstevel@tonic-gate int 73937c478bd9Sstevel@tonic-gate ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 73947c478bd9Sstevel@tonic-gate uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 73957c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cookiep, uint_t *ccountp) 73967c478bd9Sstevel@tonic-gate { 73977c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 7398b51bbbf5SVikram Hegde dev_info_t *dip, *rdip; 73997c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 74007c478bd9Sstevel@tonic-gate int (*funcp)(); 74017c478bd9Sstevel@tonic-gate 74027c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 74037c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 74047c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 74057c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = (uint_t)bp->b_bcount; 74067c478bd9Sstevel@tonic-gate 74072d3bf78eScth if (bp->b_flags & B_PAGEIO) { 74087c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_PAGES; 74097c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_pp = bp->b_pages; 74107c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_offset = 74117c478bd9Sstevel@tonic-gate (uint_t)(((uintptr_t)bp->b_un.b_addr) & MMU_PAGEOFFSET); 74127c478bd9Sstevel@tonic-gate } else { 74137c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = bp->b_un.b_addr; 74142d3bf78eScth if (bp->b_flags & B_SHADOW) { 74157c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = 7416184cd04cScth bp->b_shadow; 74177c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_BUFVADDR; 74187c478bd9Sstevel@tonic-gate } else { 74197c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = 7420184cd04cScth (bp->b_flags & (B_PHYS | B_REMAPPED)) ? 7421184cd04cScth DMA_OTYP_BUFVADDR : DMA_OTYP_VADDR; 74227c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 74237c478bd9Sstevel@tonic-gate } 74247c478bd9Sstevel@tonic-gate 74257c478bd9Sstevel@tonic-gate /* 74267c478bd9Sstevel@tonic-gate * If the buffer has no proc pointer, or the proc 74277c478bd9Sstevel@tonic-gate * struct has the kernel address space, or the buffer has 74287c478bd9Sstevel@tonic-gate * been marked B_REMAPPED (meaning that it is now 74297c478bd9Sstevel@tonic-gate * mapped into the kernel's address space), then 74307c478bd9Sstevel@tonic-gate * the address space is kas (kernel address space). 74317c478bd9Sstevel@tonic-gate */ 74322d3bf78eScth if ((bp->b_proc == NULL) || (bp->b_proc->p_as == &kas) || 74332d3bf78eScth (bp->b_flags & B_REMAPPED)) { 74347c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 0; 74357c478bd9Sstevel@tonic-gate } else { 74367c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 74377c478bd9Sstevel@tonic-gate bp->b_proc->p_as; 74387c478bd9Sstevel@tonic-gate } 74397c478bd9Sstevel@tonic-gate } 74407c478bd9Sstevel@tonic-gate 7441b51bbbf5SVikram Hegde dip = rdip = hp->dmai_rdip; 7442b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 7443b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 7444b51bbbf5SVikram Hegde funcp = DEVI(rdip)->devi_bus_dma_bindfunc; 7445b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle, &dmareq, cookiep, ccountp)); 74467c478bd9Sstevel@tonic-gate } 74477c478bd9Sstevel@tonic-gate 74487c478bd9Sstevel@tonic-gate int 74497c478bd9Sstevel@tonic-gate ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 74507c478bd9Sstevel@tonic-gate caddr_t addr, size_t len, uint_t flags, int (*waitfp)(caddr_t), 74517c478bd9Sstevel@tonic-gate caddr_t arg, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 74527c478bd9Sstevel@tonic-gate { 74537c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 7454b51bbbf5SVikram Hegde dev_info_t *dip, *rdip; 74557c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 74567c478bd9Sstevel@tonic-gate int (*funcp)(); 74577c478bd9Sstevel@tonic-gate 74587c478bd9Sstevel@tonic-gate if (len == (uint_t)0) { 74597c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 74607c478bd9Sstevel@tonic-gate } 74617c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 74627c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 74637c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 74647c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = len; 74657c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_VADDR; 74667c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = as; 74677c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = addr; 74687c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 74697c478bd9Sstevel@tonic-gate 7470b51bbbf5SVikram Hegde dip = rdip = hp->dmai_rdip; 7471b51bbbf5SVikram Hegde if (dip != ddi_root_node()) 7472b51bbbf5SVikram Hegde dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 7473b51bbbf5SVikram Hegde funcp = DEVI(rdip)->devi_bus_dma_bindfunc; 7474b51bbbf5SVikram Hegde return ((*funcp)(dip, rdip, handle, &dmareq, cookiep, ccountp)); 74757c478bd9Sstevel@tonic-gate } 74767c478bd9Sstevel@tonic-gate 74777c478bd9Sstevel@tonic-gate void 74787c478bd9Sstevel@tonic-gate ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep) 74797c478bd9Sstevel@tonic-gate { 74807c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 74817c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp; 74827c478bd9Sstevel@tonic-gate 74837c478bd9Sstevel@tonic-gate cp = hp->dmai_cookie; 74847c478bd9Sstevel@tonic-gate ASSERT(cp); 74857c478bd9Sstevel@tonic-gate 74867c478bd9Sstevel@tonic-gate cookiep->dmac_notused = cp->dmac_notused; 74877c478bd9Sstevel@tonic-gate cookiep->dmac_type = cp->dmac_type; 74887c478bd9Sstevel@tonic-gate cookiep->dmac_address = cp->dmac_address; 74897c478bd9Sstevel@tonic-gate cookiep->dmac_size = cp->dmac_size; 74907c478bd9Sstevel@tonic-gate hp->dmai_cookie++; 74917c478bd9Sstevel@tonic-gate } 74927c478bd9Sstevel@tonic-gate 74937c478bd9Sstevel@tonic-gate int 74947c478bd9Sstevel@tonic-gate ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp) 74957c478bd9Sstevel@tonic-gate { 74967c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 74977c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DDI_DMA_PARTIAL) == 0) { 74987c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74997c478bd9Sstevel@tonic-gate } else { 75007c478bd9Sstevel@tonic-gate *nwinp = hp->dmai_nwin; 75017c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 75027c478bd9Sstevel@tonic-gate } 75037c478bd9Sstevel@tonic-gate } 75047c478bd9Sstevel@tonic-gate 75057c478bd9Sstevel@tonic-gate int 75067c478bd9Sstevel@tonic-gate ddi_dma_getwin(ddi_dma_handle_t h, uint_t win, off_t *offp, 75077c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 75087c478bd9Sstevel@tonic-gate { 75097c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_win; 75107c478bd9Sstevel@tonic-gate struct bus_ops *bop; 75117c478bd9Sstevel@tonic-gate 75127c478bd9Sstevel@tonic-gate bop = DEVI(HD)->devi_ops->devo_bus_ops; 75137c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_win) 75147c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_win; 75157c478bd9Sstevel@tonic-gate 75167c478bd9Sstevel@tonic-gate return ((*funcp)(HD, HD, h, win, offp, lenp, cookiep, ccountp)); 75177c478bd9Sstevel@tonic-gate } 75187c478bd9Sstevel@tonic-gate 75197c478bd9Sstevel@tonic-gate int 75207c478bd9Sstevel@tonic-gate ddi_dma_set_sbus64(ddi_dma_handle_t h, ulong_t burstsizes) 75217c478bd9Sstevel@tonic-gate { 75227c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SET_SBUS64, 0, 7523184cd04cScth &burstsizes, 0, 0)); 75247c478bd9Sstevel@tonic-gate } 75257c478bd9Sstevel@tonic-gate 75267c478bd9Sstevel@tonic-gate int 75277c478bd9Sstevel@tonic-gate i_ddi_dma_fault_check(ddi_dma_impl_t *hp) 75287c478bd9Sstevel@tonic-gate { 75297c478bd9Sstevel@tonic-gate return (hp->dmai_fault); 75307c478bd9Sstevel@tonic-gate } 75317c478bd9Sstevel@tonic-gate 75327c478bd9Sstevel@tonic-gate int 75337c478bd9Sstevel@tonic-gate ddi_check_dma_handle(ddi_dma_handle_t handle) 75347c478bd9Sstevel@tonic-gate { 75357c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 75367c478bd9Sstevel@tonic-gate int (*check)(ddi_dma_impl_t *); 75377c478bd9Sstevel@tonic-gate 75387c478bd9Sstevel@tonic-gate if ((check = hp->dmai_fault_check) == NULL) 75397c478bd9Sstevel@tonic-gate check = i_ddi_dma_fault_check; 75407c478bd9Sstevel@tonic-gate 75417c478bd9Sstevel@tonic-gate return (((*check)(hp) == DDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 75427c478bd9Sstevel@tonic-gate } 75437c478bd9Sstevel@tonic-gate 75447c478bd9Sstevel@tonic-gate void 75457c478bd9Sstevel@tonic-gate i_ddi_dma_set_fault(ddi_dma_handle_t handle) 75467c478bd9Sstevel@tonic-gate { 75477c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 75487c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 75497c478bd9Sstevel@tonic-gate 75507c478bd9Sstevel@tonic-gate if (!hp->dmai_fault) { 75517c478bd9Sstevel@tonic-gate hp->dmai_fault = 1; 75527c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 75537c478bd9Sstevel@tonic-gate (*notify)(hp); 75547c478bd9Sstevel@tonic-gate } 75557c478bd9Sstevel@tonic-gate } 75567c478bd9Sstevel@tonic-gate 75577c478bd9Sstevel@tonic-gate void 75587c478bd9Sstevel@tonic-gate i_ddi_dma_clr_fault(ddi_dma_handle_t handle) 75597c478bd9Sstevel@tonic-gate { 75607c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 75617c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 75627c478bd9Sstevel@tonic-gate 75637c478bd9Sstevel@tonic-gate if (hp->dmai_fault) { 75647c478bd9Sstevel@tonic-gate hp->dmai_fault = 0; 75657c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 75667c478bd9Sstevel@tonic-gate (*notify)(hp); 75677c478bd9Sstevel@tonic-gate } 75687c478bd9Sstevel@tonic-gate } 75697c478bd9Sstevel@tonic-gate 75707c478bd9Sstevel@tonic-gate /* 75717c478bd9Sstevel@tonic-gate * register mapping routines. 75727c478bd9Sstevel@tonic-gate */ 75737c478bd9Sstevel@tonic-gate int 75747c478bd9Sstevel@tonic-gate ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 75757c478bd9Sstevel@tonic-gate offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 75767c478bd9Sstevel@tonic-gate ddi_acc_handle_t *handle) 75777c478bd9Sstevel@tonic-gate { 75787c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 75797c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 75807c478bd9Sstevel@tonic-gate int result; 75817c478bd9Sstevel@tonic-gate 75827c478bd9Sstevel@tonic-gate /* 75837c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data access handle. 75847c478bd9Sstevel@tonic-gate */ 75857c478bd9Sstevel@tonic-gate *handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 75867c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handle); 75877c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 75887c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 75897c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 75907c478bd9Sstevel@tonic-gate hp->ah_offset = offset; 75917c478bd9Sstevel@tonic-gate hp->ah_len = len; 75927c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 75937c478bd9Sstevel@tonic-gate 75947c478bd9Sstevel@tonic-gate /* 75957c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 75967c478bd9Sstevel@tonic-gate */ 75977c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_LOCKED; 75987c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 75997c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 76007c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 76017c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 76027c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 76037c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 76047c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, offset, len, addrp); 76057c478bd9Sstevel@tonic-gate 76067c478bd9Sstevel@tonic-gate /* 76077c478bd9Sstevel@tonic-gate * check for end result 76087c478bd9Sstevel@tonic-gate */ 76097c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) { 76107c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handle); 76117c478bd9Sstevel@tonic-gate *handle = (ddi_acc_handle_t)NULL; 76127c478bd9Sstevel@tonic-gate } else { 76137c478bd9Sstevel@tonic-gate hp->ah_addr = *addrp; 76147c478bd9Sstevel@tonic-gate } 76157c478bd9Sstevel@tonic-gate 76167c478bd9Sstevel@tonic-gate return (result); 76177c478bd9Sstevel@tonic-gate } 76187c478bd9Sstevel@tonic-gate 76197c478bd9Sstevel@tonic-gate void 76207c478bd9Sstevel@tonic-gate ddi_regs_map_free(ddi_acc_handle_t *handlep) 76217c478bd9Sstevel@tonic-gate { 76227c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 76237c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 76247c478bd9Sstevel@tonic-gate 76257c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handlep); 76267c478bd9Sstevel@tonic-gate ASSERT(hp); 76277c478bd9Sstevel@tonic-gate 76287c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_UNMAP; 76297c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 76307c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = hp->ah_rnumber; 76317c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 76327c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 76337c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 76347c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 76357c478bd9Sstevel@tonic-gate 76367c478bd9Sstevel@tonic-gate /* 76377c478bd9Sstevel@tonic-gate * Call my parent to unmap my regs. 76387c478bd9Sstevel@tonic-gate */ 76397c478bd9Sstevel@tonic-gate (void) ddi_map(hp->ah_dip, &mr, hp->ah_offset, 7640184cd04cScth hp->ah_len, &hp->ah_addr); 76417c478bd9Sstevel@tonic-gate /* 76427c478bd9Sstevel@tonic-gate * free the handle 76437c478bd9Sstevel@tonic-gate */ 76447c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 76457c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 76467c478bd9Sstevel@tonic-gate } 76477c478bd9Sstevel@tonic-gate 76487c478bd9Sstevel@tonic-gate int 76497c478bd9Sstevel@tonic-gate ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, size_t bytecount, 76507c478bd9Sstevel@tonic-gate ssize_t dev_advcnt, uint_t dev_datasz) 76517c478bd9Sstevel@tonic-gate { 76527c478bd9Sstevel@tonic-gate uint8_t *b; 76537c478bd9Sstevel@tonic-gate uint16_t *w; 76547c478bd9Sstevel@tonic-gate uint32_t *l; 76557c478bd9Sstevel@tonic-gate uint64_t *ll; 76567c478bd9Sstevel@tonic-gate 76577c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 76587c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 76597c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76607c478bd9Sstevel@tonic-gate 76617c478bd9Sstevel@tonic-gate switch (dev_datasz) { 76627c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 76637c478bd9Sstevel@tonic-gate for (b = (uint8_t *)dev_addr; 7664184cd04cScth bytecount != 0; bytecount -= 1, b += dev_advcnt) 76657c478bd9Sstevel@tonic-gate ddi_put8(handle, b, 0); 76667c478bd9Sstevel@tonic-gate break; 76677c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 76687c478bd9Sstevel@tonic-gate for (w = (uint16_t *)dev_addr; 7669184cd04cScth bytecount != 0; bytecount -= 2, w += dev_advcnt) 76707c478bd9Sstevel@tonic-gate ddi_put16(handle, w, 0); 76717c478bd9Sstevel@tonic-gate break; 76727c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 76737c478bd9Sstevel@tonic-gate for (l = (uint32_t *)dev_addr; 7674184cd04cScth bytecount != 0; bytecount -= 4, l += dev_advcnt) 76757c478bd9Sstevel@tonic-gate ddi_put32(handle, l, 0); 76767c478bd9Sstevel@tonic-gate break; 76777c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 76787c478bd9Sstevel@tonic-gate for (ll = (uint64_t *)dev_addr; 7679184cd04cScth bytecount != 0; bytecount -= 8, ll += dev_advcnt) 76807c478bd9Sstevel@tonic-gate ddi_put64(handle, ll, 0x0ll); 76817c478bd9Sstevel@tonic-gate break; 76827c478bd9Sstevel@tonic-gate default: 76837c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76847c478bd9Sstevel@tonic-gate } 76857c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 76867c478bd9Sstevel@tonic-gate } 76877c478bd9Sstevel@tonic-gate 76887c478bd9Sstevel@tonic-gate int 76897c478bd9Sstevel@tonic-gate ddi_device_copy( 76907c478bd9Sstevel@tonic-gate ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 76917c478bd9Sstevel@tonic-gate ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 76927c478bd9Sstevel@tonic-gate size_t bytecount, uint_t dev_datasz) 76937c478bd9Sstevel@tonic-gate { 76947c478bd9Sstevel@tonic-gate uint8_t *b_src, *b_dst; 76957c478bd9Sstevel@tonic-gate uint16_t *w_src, *w_dst; 76967c478bd9Sstevel@tonic-gate uint32_t *l_src, *l_dst; 76977c478bd9Sstevel@tonic-gate uint64_t *ll_src, *ll_dst; 76987c478bd9Sstevel@tonic-gate 76997c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 77007c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 77017c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 77027c478bd9Sstevel@tonic-gate 77037c478bd9Sstevel@tonic-gate switch (dev_datasz) { 77047c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 77057c478bd9Sstevel@tonic-gate b_src = (uint8_t *)src_addr; 77067c478bd9Sstevel@tonic-gate b_dst = (uint8_t *)dest_addr; 77077c478bd9Sstevel@tonic-gate 77087c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 1) { 77097c478bd9Sstevel@tonic-gate ddi_put8(dest_handle, b_dst, 7710184cd04cScth ddi_get8(src_handle, b_src)); 77117c478bd9Sstevel@tonic-gate b_dst += dest_advcnt; 77127c478bd9Sstevel@tonic-gate b_src += src_advcnt; 77137c478bd9Sstevel@tonic-gate } 77147c478bd9Sstevel@tonic-gate break; 77157c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 77167c478bd9Sstevel@tonic-gate w_src = (uint16_t *)src_addr; 77177c478bd9Sstevel@tonic-gate w_dst = (uint16_t *)dest_addr; 77187c478bd9Sstevel@tonic-gate 77197c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 2) { 77207c478bd9Sstevel@tonic-gate ddi_put16(dest_handle, w_dst, 7721184cd04cScth ddi_get16(src_handle, w_src)); 77227c478bd9Sstevel@tonic-gate w_dst += dest_advcnt; 77237c478bd9Sstevel@tonic-gate w_src += src_advcnt; 77247c478bd9Sstevel@tonic-gate } 77257c478bd9Sstevel@tonic-gate break; 77267c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 77277c478bd9Sstevel@tonic-gate l_src = (uint32_t *)src_addr; 77287c478bd9Sstevel@tonic-gate l_dst = (uint32_t *)dest_addr; 77297c478bd9Sstevel@tonic-gate 77307c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 4) { 77317c478bd9Sstevel@tonic-gate ddi_put32(dest_handle, l_dst, 7732184cd04cScth ddi_get32(src_handle, l_src)); 77337c478bd9Sstevel@tonic-gate l_dst += dest_advcnt; 77347c478bd9Sstevel@tonic-gate l_src += src_advcnt; 77357c478bd9Sstevel@tonic-gate } 77367c478bd9Sstevel@tonic-gate break; 77377c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 77387c478bd9Sstevel@tonic-gate ll_src = (uint64_t *)src_addr; 77397c478bd9Sstevel@tonic-gate ll_dst = (uint64_t *)dest_addr; 77407c478bd9Sstevel@tonic-gate 77417c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 8) { 77427c478bd9Sstevel@tonic-gate ddi_put64(dest_handle, ll_dst, 7743184cd04cScth ddi_get64(src_handle, ll_src)); 77447c478bd9Sstevel@tonic-gate ll_dst += dest_advcnt; 77457c478bd9Sstevel@tonic-gate ll_src += src_advcnt; 77467c478bd9Sstevel@tonic-gate } 77477c478bd9Sstevel@tonic-gate break; 77487c478bd9Sstevel@tonic-gate default: 77497c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 77507c478bd9Sstevel@tonic-gate } 77517c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 77527c478bd9Sstevel@tonic-gate } 77537c478bd9Sstevel@tonic-gate 77547c478bd9Sstevel@tonic-gate #define swap16(value) \ 77557c478bd9Sstevel@tonic-gate ((((value) & 0xff) << 8) | ((value) >> 8)) 77567c478bd9Sstevel@tonic-gate 77577c478bd9Sstevel@tonic-gate #define swap32(value) \ 77587c478bd9Sstevel@tonic-gate (((uint32_t)swap16((uint16_t)((value) & 0xffff)) << 16) | \ 77597c478bd9Sstevel@tonic-gate (uint32_t)swap16((uint16_t)((value) >> 16))) 77607c478bd9Sstevel@tonic-gate 77617c478bd9Sstevel@tonic-gate #define swap64(value) \ 77627c478bd9Sstevel@tonic-gate (((uint64_t)swap32((uint32_t)((value) & 0xffffffff)) \ 77637c478bd9Sstevel@tonic-gate << 32) | \ 77647c478bd9Sstevel@tonic-gate (uint64_t)swap32((uint32_t)((value) >> 32))) 77657c478bd9Sstevel@tonic-gate 77667c478bd9Sstevel@tonic-gate uint16_t 77677c478bd9Sstevel@tonic-gate ddi_swap16(uint16_t value) 77687c478bd9Sstevel@tonic-gate { 77697c478bd9Sstevel@tonic-gate return (swap16(value)); 77707c478bd9Sstevel@tonic-gate } 77717c478bd9Sstevel@tonic-gate 77727c478bd9Sstevel@tonic-gate uint32_t 77737c478bd9Sstevel@tonic-gate ddi_swap32(uint32_t value) 77747c478bd9Sstevel@tonic-gate { 77757c478bd9Sstevel@tonic-gate return (swap32(value)); 77767c478bd9Sstevel@tonic-gate } 77777c478bd9Sstevel@tonic-gate 77787c478bd9Sstevel@tonic-gate uint64_t 77797c478bd9Sstevel@tonic-gate ddi_swap64(uint64_t value) 77807c478bd9Sstevel@tonic-gate { 77817c478bd9Sstevel@tonic-gate return (swap64(value)); 77827c478bd9Sstevel@tonic-gate } 77837c478bd9Sstevel@tonic-gate 77847c478bd9Sstevel@tonic-gate /* 77857c478bd9Sstevel@tonic-gate * Convert a binding name to a driver name. 77867c478bd9Sstevel@tonic-gate * A binding name is the name used to determine the driver for a 77877c478bd9Sstevel@tonic-gate * device - it may be either an alias for the driver or the name 77887c478bd9Sstevel@tonic-gate * of the driver itself. 77897c478bd9Sstevel@tonic-gate */ 77907c478bd9Sstevel@tonic-gate char * 77917c478bd9Sstevel@tonic-gate i_binding_to_drv_name(char *bname) 77927c478bd9Sstevel@tonic-gate { 77937c478bd9Sstevel@tonic-gate major_t major_no; 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate ASSERT(bname != NULL); 77967c478bd9Sstevel@tonic-gate 77977c478bd9Sstevel@tonic-gate if ((major_no = ddi_name_to_major(bname)) == -1) 77987c478bd9Sstevel@tonic-gate return (NULL); 77997c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major_no)); 78007c478bd9Sstevel@tonic-gate } 78017c478bd9Sstevel@tonic-gate 78027c478bd9Sstevel@tonic-gate /* 78037c478bd9Sstevel@tonic-gate * Search for minor name that has specified dev_t and spec_type. 78047c478bd9Sstevel@tonic-gate * If spec_type is zero then any dev_t match works. Since we 78057c478bd9Sstevel@tonic-gate * are returning a pointer to the minor name string, we require the 78067c478bd9Sstevel@tonic-gate * caller to do the locking. 78077c478bd9Sstevel@tonic-gate */ 78087c478bd9Sstevel@tonic-gate char * 78097c478bd9Sstevel@tonic-gate i_ddi_devtspectype_to_minorname(dev_info_t *dip, dev_t dev, int spec_type) 78107c478bd9Sstevel@tonic-gate { 78117c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 78127c478bd9Sstevel@tonic-gate 78137c478bd9Sstevel@tonic-gate /* 78147c478bd9Sstevel@tonic-gate * The did layered driver currently intentionally returns a 78157c478bd9Sstevel@tonic-gate * devinfo ptr for an underlying sd instance based on a did 78167c478bd9Sstevel@tonic-gate * dev_t. In this case it is not an error. 78177c478bd9Sstevel@tonic-gate * 78187c478bd9Sstevel@tonic-gate * The did layered driver is associated with Sun Cluster. 78197c478bd9Sstevel@tonic-gate */ 78207c478bd9Sstevel@tonic-gate ASSERT((ddi_driver_major(dip) == getmajor(dev)) || 7821184cd04cScth (strcmp(ddi_major_to_name(getmajor(dev)), "did") == 0)); 78227c478bd9Sstevel@tonic-gate 7823b9ccdc5aScth ASSERT(DEVI_BUSY_OWNED(dip)); 78247c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 78257c478bd9Sstevel@tonic-gate if (((dmdp->type == DDM_MINOR) || 78267c478bd9Sstevel@tonic-gate (dmdp->type == DDM_INTERNAL_PATH) || 78277c478bd9Sstevel@tonic-gate (dmdp->type == DDM_DEFAULT)) && 78287c478bd9Sstevel@tonic-gate (dmdp->ddm_dev == dev) && 78297c478bd9Sstevel@tonic-gate ((((spec_type & (S_IFCHR|S_IFBLK))) == 0) || 78307c478bd9Sstevel@tonic-gate (dmdp->ddm_spec_type == spec_type))) 78317c478bd9Sstevel@tonic-gate return (dmdp->ddm_name); 78327c478bd9Sstevel@tonic-gate } 78337c478bd9Sstevel@tonic-gate 78347c478bd9Sstevel@tonic-gate return (NULL); 78357c478bd9Sstevel@tonic-gate } 78367c478bd9Sstevel@tonic-gate 78377c478bd9Sstevel@tonic-gate /* 78387c478bd9Sstevel@tonic-gate * Find the devt and spectype of the specified minor_name. 78397c478bd9Sstevel@tonic-gate * Return DDI_FAILURE if minor_name not found. Since we are 78407c478bd9Sstevel@tonic-gate * returning everything via arguments we can do the locking. 78417c478bd9Sstevel@tonic-gate */ 78427c478bd9Sstevel@tonic-gate int 78437c478bd9Sstevel@tonic-gate i_ddi_minorname_to_devtspectype(dev_info_t *dip, char *minor_name, 78447c478bd9Sstevel@tonic-gate dev_t *devtp, int *spectypep) 78457c478bd9Sstevel@tonic-gate { 7846b9ccdc5aScth int circ; 78477c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 78487c478bd9Sstevel@tonic-gate 78497c478bd9Sstevel@tonic-gate /* deal with clone minor nodes */ 78507c478bd9Sstevel@tonic-gate if (dip == clone_dip) { 78517c478bd9Sstevel@tonic-gate major_t major; 78527c478bd9Sstevel@tonic-gate /* 78537c478bd9Sstevel@tonic-gate * Make sure minor_name is a STREAMS driver. 78547c478bd9Sstevel@tonic-gate * We load the driver but don't attach to any instances. 78557c478bd9Sstevel@tonic-gate */ 78567c478bd9Sstevel@tonic-gate 78577c478bd9Sstevel@tonic-gate major = ddi_name_to_major(minor_name); 7858a204de77Scth if (major == DDI_MAJOR_T_NONE) 78597c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78607c478bd9Sstevel@tonic-gate 78617c478bd9Sstevel@tonic-gate if (ddi_hold_driver(major) == NULL) 78627c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78637c478bd9Sstevel@tonic-gate 78647c478bd9Sstevel@tonic-gate if (STREAMSTAB(major) == NULL) { 78657c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 78667c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78677c478bd9Sstevel@tonic-gate } 78687c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 78697c478bd9Sstevel@tonic-gate 78707c478bd9Sstevel@tonic-gate if (devtp) 78717c478bd9Sstevel@tonic-gate *devtp = makedevice(clone_major, (minor_t)major); 78727c478bd9Sstevel@tonic-gate 78737c478bd9Sstevel@tonic-gate if (spectypep) 78747c478bd9Sstevel@tonic-gate *spectypep = S_IFCHR; 78757c478bd9Sstevel@tonic-gate 78767c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 78777c478bd9Sstevel@tonic-gate } 78787c478bd9Sstevel@tonic-gate 7879b9ccdc5aScth ndi_devi_enter(dip, &circ); 78807c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 78817c478bd9Sstevel@tonic-gate if (((dmdp->type != DDM_MINOR) && 78827c478bd9Sstevel@tonic-gate (dmdp->type != DDM_INTERNAL_PATH) && 78837c478bd9Sstevel@tonic-gate (dmdp->type != DDM_DEFAULT)) || 78847c478bd9Sstevel@tonic-gate strcmp(minor_name, dmdp->ddm_name)) 78857c478bd9Sstevel@tonic-gate continue; 78867c478bd9Sstevel@tonic-gate 78877c478bd9Sstevel@tonic-gate if (devtp) 78887c478bd9Sstevel@tonic-gate *devtp = dmdp->ddm_dev; 78897c478bd9Sstevel@tonic-gate 78907c478bd9Sstevel@tonic-gate if (spectypep) 78917c478bd9Sstevel@tonic-gate *spectypep = dmdp->ddm_spec_type; 78927c478bd9Sstevel@tonic-gate 7893b9ccdc5aScth ndi_devi_exit(dip, circ); 78947c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 78957c478bd9Sstevel@tonic-gate } 7896b9ccdc5aScth ndi_devi_exit(dip, circ); 78977c478bd9Sstevel@tonic-gate 78987c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78997c478bd9Sstevel@tonic-gate } 79007c478bd9Sstevel@tonic-gate 79017c478bd9Sstevel@tonic-gate static kmutex_t devid_gen_mutex; 79027c478bd9Sstevel@tonic-gate static short devid_gen_number; 79037c478bd9Sstevel@tonic-gate 79047c478bd9Sstevel@tonic-gate #ifdef DEBUG 79057c478bd9Sstevel@tonic-gate 79067c478bd9Sstevel@tonic-gate static int devid_register_corrupt = 0; 79077c478bd9Sstevel@tonic-gate static int devid_register_corrupt_major = 0; 79087c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint = 0; 79097c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint_major = 0; 79107c478bd9Sstevel@tonic-gate 79117c478bd9Sstevel@tonic-gate static int devid_lyr_debug = 0; 79127c478bd9Sstevel@tonic-gate 79137c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) \ 79147c478bd9Sstevel@tonic-gate if (devid_lyr_debug) \ 79157c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(msg, ndevs, devs) 79167c478bd9Sstevel@tonic-gate 79177c478bd9Sstevel@tonic-gate #else 79187c478bd9Sstevel@tonic-gate 79197c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) 79207c478bd9Sstevel@tonic-gate 79217c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 79227c478bd9Sstevel@tonic-gate 79237c478bd9Sstevel@tonic-gate 79247c478bd9Sstevel@tonic-gate #ifdef DEBUG 79257c478bd9Sstevel@tonic-gate 79267c478bd9Sstevel@tonic-gate static void 79277c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(char *msg, int ndevs, dev_t *devs) 79287c478bd9Sstevel@tonic-gate { 79297c478bd9Sstevel@tonic-gate int i; 79307c478bd9Sstevel@tonic-gate 79317c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 79327c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 79337c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 79347c478bd9Sstevel@tonic-gate } 79357c478bd9Sstevel@tonic-gate } 79367c478bd9Sstevel@tonic-gate 79377c478bd9Sstevel@tonic-gate static void 79387c478bd9Sstevel@tonic-gate ddi_debug_devid_paths(char *msg, int npaths, char **paths) 79397c478bd9Sstevel@tonic-gate { 79407c478bd9Sstevel@tonic-gate int i; 79417c478bd9Sstevel@tonic-gate 79427c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 79437c478bd9Sstevel@tonic-gate for (i = 0; i < npaths; i++) { 79447c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " %s\n", paths[i]); 79457c478bd9Sstevel@tonic-gate } 79467c478bd9Sstevel@tonic-gate } 79477c478bd9Sstevel@tonic-gate 79487c478bd9Sstevel@tonic-gate static void 79497c478bd9Sstevel@tonic-gate ddi_debug_devid_devts_per_path(char *path, int ndevs, dev_t *devs) 79507c478bd9Sstevel@tonic-gate { 79517c478bd9Sstevel@tonic-gate int i; 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "dev_ts per path %s\n", path); 79547c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 79557c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 79567c478bd9Sstevel@tonic-gate } 79577c478bd9Sstevel@tonic-gate } 79587c478bd9Sstevel@tonic-gate 79597c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 79607c478bd9Sstevel@tonic-gate 79617c478bd9Sstevel@tonic-gate /* 79627c478bd9Sstevel@tonic-gate * Register device id into DDI framework. 79637c478bd9Sstevel@tonic-gate * Must be called when device is attached. 79647c478bd9Sstevel@tonic-gate */ 79657c478bd9Sstevel@tonic-gate static int 79667c478bd9Sstevel@tonic-gate i_ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 79677c478bd9Sstevel@tonic-gate { 79687c478bd9Sstevel@tonic-gate impl_devid_t *i_devid = (impl_devid_t *)devid; 79697c478bd9Sstevel@tonic-gate size_t driver_len; 79707c478bd9Sstevel@tonic-gate const char *driver_name; 79717c478bd9Sstevel@tonic-gate char *devid_str; 79727c478bd9Sstevel@tonic-gate major_t major; 79737c478bd9Sstevel@tonic-gate 79747c478bd9Sstevel@tonic-gate if ((dip == NULL) || 7975a204de77Scth ((major = ddi_driver_major(dip)) == DDI_MAJOR_T_NONE)) 79767c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 79777c478bd9Sstevel@tonic-gate 79787c478bd9Sstevel@tonic-gate /* verify that the devid is valid */ 79797c478bd9Sstevel@tonic-gate if (ddi_devid_valid(devid) != DDI_SUCCESS) 79807c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 79817c478bd9Sstevel@tonic-gate 79827c478bd9Sstevel@tonic-gate /* Updating driver name hint in devid */ 79837c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 79847c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 79857c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 79867c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 79877c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 79887c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 79897c478bd9Sstevel@tonic-gate } 79907c478bd9Sstevel@tonic-gate bzero(i_devid->did_driver, DEVID_HINT_SIZE); 79917c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 79927c478bd9Sstevel@tonic-gate 79937c478bd9Sstevel@tonic-gate #ifdef DEBUG 79947c478bd9Sstevel@tonic-gate /* Corrupt the devid for testing. */ 79957c478bd9Sstevel@tonic-gate if (devid_register_corrupt) 79967c478bd9Sstevel@tonic-gate i_devid->did_id[0] += devid_register_corrupt; 79977c478bd9Sstevel@tonic-gate if (devid_register_corrupt_major && 79987c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_major)) 79997c478bd9Sstevel@tonic-gate i_devid->did_id[0] += 1; 80007c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint) 80017c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += devid_register_corrupt_hint; 80027c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint_major && 80037c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_hint_major)) 80047c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += 1; 80057c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 80067c478bd9Sstevel@tonic-gate 80077c478bd9Sstevel@tonic-gate /* encode the devid as a string */ 80087c478bd9Sstevel@tonic-gate if ((devid_str = ddi_devid_str_encode(devid, NULL)) == NULL) 80097c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 80107c478bd9Sstevel@tonic-gate 80117c478bd9Sstevel@tonic-gate /* add string as a string property */ 80127c478bd9Sstevel@tonic-gate if (ndi_prop_update_string(DDI_DEV_T_NONE, dip, 80137c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, devid_str) != DDI_SUCCESS) { 80147c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: devid property update failed", 8015184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 80167c478bd9Sstevel@tonic-gate ddi_devid_str_free(devid_str); 80177c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 80187c478bd9Sstevel@tonic-gate } 80197c478bd9Sstevel@tonic-gate 8020602ca9eaScth /* keep pointer to devid string for interrupt context fma code */ 8021602ca9eaScth if (DEVI(dip)->devi_devid_str) 8022602ca9eaScth ddi_devid_str_free(DEVI(dip)->devi_devid_str); 8023602ca9eaScth DEVI(dip)->devi_devid_str = devid_str; 80247c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 80257c478bd9Sstevel@tonic-gate } 80267c478bd9Sstevel@tonic-gate 80277c478bd9Sstevel@tonic-gate int 80287c478bd9Sstevel@tonic-gate ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 80297c478bd9Sstevel@tonic-gate { 80307c478bd9Sstevel@tonic-gate int rval; 80317c478bd9Sstevel@tonic-gate 80327c478bd9Sstevel@tonic-gate rval = i_ddi_devid_register(dip, devid); 80337c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 80347c478bd9Sstevel@tonic-gate /* 80357c478bd9Sstevel@tonic-gate * Register devid in devid-to-path cache 80367c478bd9Sstevel@tonic-gate */ 80377c478bd9Sstevel@tonic-gate if (e_devid_cache_register(dip, devid) == DDI_SUCCESS) { 80387c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 80397c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags |= DEVI_REGISTERED_DEVID; 80407c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 80417c478bd9Sstevel@tonic-gate } else { 80427c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to cache devid", 8043184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 80447c478bd9Sstevel@tonic-gate } 80457c478bd9Sstevel@tonic-gate } else { 80467c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to register devid", 8047184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 80487c478bd9Sstevel@tonic-gate } 80497c478bd9Sstevel@tonic-gate return (rval); 80507c478bd9Sstevel@tonic-gate } 80517c478bd9Sstevel@tonic-gate 80527c478bd9Sstevel@tonic-gate /* 80537c478bd9Sstevel@tonic-gate * Remove (unregister) device id from DDI framework. 80547c478bd9Sstevel@tonic-gate * Must be called when device is detached. 80557c478bd9Sstevel@tonic-gate */ 80567c478bd9Sstevel@tonic-gate static void 80577c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dev_info_t *dip) 80587c478bd9Sstevel@tonic-gate { 8059602ca9eaScth if (DEVI(dip)->devi_devid_str) { 8060602ca9eaScth ddi_devid_str_free(DEVI(dip)->devi_devid_str); 8061602ca9eaScth DEVI(dip)->devi_devid_str = NULL; 8062602ca9eaScth } 80637c478bd9Sstevel@tonic-gate 80647c478bd9Sstevel@tonic-gate /* remove the devid property */ 80657c478bd9Sstevel@tonic-gate (void) ndi_prop_remove(DDI_DEV_T_NONE, dip, DEVID_PROP_NAME); 80667c478bd9Sstevel@tonic-gate } 80677c478bd9Sstevel@tonic-gate 80687c478bd9Sstevel@tonic-gate void 80697c478bd9Sstevel@tonic-gate ddi_devid_unregister(dev_info_t *dip) 80707c478bd9Sstevel@tonic-gate { 80717c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 80727c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags &= ~DEVI_REGISTERED_DEVID; 80737c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 80747c478bd9Sstevel@tonic-gate e_devid_cache_unregister(dip); 80757c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dip); 80767c478bd9Sstevel@tonic-gate } 80777c478bd9Sstevel@tonic-gate 80787c478bd9Sstevel@tonic-gate /* 80797c478bd9Sstevel@tonic-gate * Allocate and initialize a device id. 80807c478bd9Sstevel@tonic-gate */ 80817c478bd9Sstevel@tonic-gate int 80827c478bd9Sstevel@tonic-gate ddi_devid_init( 80837c478bd9Sstevel@tonic-gate dev_info_t *dip, 80847c478bd9Sstevel@tonic-gate ushort_t devid_type, 80857c478bd9Sstevel@tonic-gate ushort_t nbytes, 80867c478bd9Sstevel@tonic-gate void *id, 80877c478bd9Sstevel@tonic-gate ddi_devid_t *ret_devid) 80887c478bd9Sstevel@tonic-gate { 80897c478bd9Sstevel@tonic-gate impl_devid_t *i_devid; 80907c478bd9Sstevel@tonic-gate int sz = sizeof (*i_devid) + nbytes - sizeof (char); 80917c478bd9Sstevel@tonic-gate int driver_len; 80927c478bd9Sstevel@tonic-gate const char *driver_name; 80937c478bd9Sstevel@tonic-gate 80947c478bd9Sstevel@tonic-gate switch (devid_type) { 80957c478bd9Sstevel@tonic-gate case DEVID_SCSI3_WWN: 80967c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 80977c478bd9Sstevel@tonic-gate case DEVID_SCSI_SERIAL: 80987c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 80997c478bd9Sstevel@tonic-gate case DEVID_ATA_SERIAL: 81007c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 81017c478bd9Sstevel@tonic-gate case DEVID_ENCAP: 81027c478bd9Sstevel@tonic-gate if (nbytes == 0) 81037c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81047c478bd9Sstevel@tonic-gate if (id == NULL) 81057c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81067c478bd9Sstevel@tonic-gate break; 81077c478bd9Sstevel@tonic-gate case DEVID_FAB: 81087c478bd9Sstevel@tonic-gate if (nbytes != 0) 81097c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81107c478bd9Sstevel@tonic-gate if (id != NULL) 81117c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81127c478bd9Sstevel@tonic-gate nbytes = sizeof (int) + 81137c478bd9Sstevel@tonic-gate sizeof (struct timeval32) + sizeof (short); 81147c478bd9Sstevel@tonic-gate sz += nbytes; 81157c478bd9Sstevel@tonic-gate break; 81167c478bd9Sstevel@tonic-gate default: 81177c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81187c478bd9Sstevel@tonic-gate } 81197c478bd9Sstevel@tonic-gate 81207c478bd9Sstevel@tonic-gate if ((i_devid = kmem_zalloc(sz, KM_SLEEP)) == NULL) 81217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 81227c478bd9Sstevel@tonic-gate 81237c478bd9Sstevel@tonic-gate i_devid->did_magic_hi = DEVID_MAGIC_MSB; 81247c478bd9Sstevel@tonic-gate i_devid->did_magic_lo = DEVID_MAGIC_LSB; 81257c478bd9Sstevel@tonic-gate i_devid->did_rev_hi = DEVID_REV_MSB; 81267c478bd9Sstevel@tonic-gate i_devid->did_rev_lo = DEVID_REV_LSB; 81277c478bd9Sstevel@tonic-gate DEVID_FORMTYPE(i_devid, devid_type); 81287c478bd9Sstevel@tonic-gate DEVID_FORMLEN(i_devid, nbytes); 81297c478bd9Sstevel@tonic-gate 81307c478bd9Sstevel@tonic-gate /* Fill in driver name hint */ 81317c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 81327c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 81337c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 81347c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 81357c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 81367c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 81377c478bd9Sstevel@tonic-gate } 81387c478bd9Sstevel@tonic-gate 81397c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 81407c478bd9Sstevel@tonic-gate 81417c478bd9Sstevel@tonic-gate /* Fill in id field */ 81427c478bd9Sstevel@tonic-gate if (devid_type == DEVID_FAB) { 81437c478bd9Sstevel@tonic-gate char *cp; 81445679c89fSjv uint32_t hostid; 81457c478bd9Sstevel@tonic-gate struct timeval32 timestamp32; 81467c478bd9Sstevel@tonic-gate int i; 81477c478bd9Sstevel@tonic-gate int *ip; 81487c478bd9Sstevel@tonic-gate short gen; 81497c478bd9Sstevel@tonic-gate 81507c478bd9Sstevel@tonic-gate /* increase the generation number */ 81517c478bd9Sstevel@tonic-gate mutex_enter(&devid_gen_mutex); 81527c478bd9Sstevel@tonic-gate gen = devid_gen_number++; 81537c478bd9Sstevel@tonic-gate mutex_exit(&devid_gen_mutex); 81547c478bd9Sstevel@tonic-gate 81557c478bd9Sstevel@tonic-gate cp = i_devid->did_id; 81567c478bd9Sstevel@tonic-gate 81577c478bd9Sstevel@tonic-gate /* Fill in host id (big-endian byte ordering) */ 81585679c89fSjv hostid = zone_get_hostid(NULL); 81597c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(hostid)); 81607c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(hostid)); 81617c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(hostid)); 81627c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(hostid)); 81637c478bd9Sstevel@tonic-gate 81647c478bd9Sstevel@tonic-gate /* 81657c478bd9Sstevel@tonic-gate * Fill in timestamp (big-endian byte ordering) 81667c478bd9Sstevel@tonic-gate * 81677c478bd9Sstevel@tonic-gate * (Note that the format may have to be changed 81687c478bd9Sstevel@tonic-gate * before 2038 comes around, though it's arguably 81697c478bd9Sstevel@tonic-gate * unique enough as it is..) 81707c478bd9Sstevel@tonic-gate */ 81717c478bd9Sstevel@tonic-gate uniqtime32(×tamp32); 81727c478bd9Sstevel@tonic-gate ip = (int *)×tamp32; 81737c478bd9Sstevel@tonic-gate for (i = 0; 81747c478bd9Sstevel@tonic-gate i < sizeof (timestamp32) / sizeof (int); i++, ip++) { 81757c478bd9Sstevel@tonic-gate int val; 81767c478bd9Sstevel@tonic-gate val = *ip; 81777c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(val)); 81787c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(val)); 81797c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(val)); 81807c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(val)); 81817c478bd9Sstevel@tonic-gate } 81827c478bd9Sstevel@tonic-gate 81837c478bd9Sstevel@tonic-gate /* fill in the generation number */ 81847c478bd9Sstevel@tonic-gate *cp++ = hibyte(gen); 81857c478bd9Sstevel@tonic-gate *cp++ = lobyte(gen); 81867c478bd9Sstevel@tonic-gate } else 81877c478bd9Sstevel@tonic-gate bcopy(id, i_devid->did_id, nbytes); 81887c478bd9Sstevel@tonic-gate 81897c478bd9Sstevel@tonic-gate /* return device id */ 81907c478bd9Sstevel@tonic-gate *ret_devid = (ddi_devid_t)i_devid; 81917c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 81927c478bd9Sstevel@tonic-gate } 81937c478bd9Sstevel@tonic-gate 81948d483882Smlf int 81958d483882Smlf ddi_devid_get(dev_info_t *dip, ddi_devid_t *ret_devid) 81968d483882Smlf { 81978d483882Smlf return (i_ddi_devi_get_devid(DDI_DEV_T_ANY, dip, ret_devid)); 81988d483882Smlf } 81998d483882Smlf 82007c478bd9Sstevel@tonic-gate int 82017c478bd9Sstevel@tonic-gate i_ddi_devi_get_devid(dev_t dev, dev_info_t *dip, ddi_devid_t *ret_devid) 82027c478bd9Sstevel@tonic-gate { 82037c478bd9Sstevel@tonic-gate char *devidstr; 82047c478bd9Sstevel@tonic-gate 82057c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_NONE); 82067c478bd9Sstevel@tonic-gate 82077c478bd9Sstevel@tonic-gate /* look up the property, devt specific first */ 82087c478bd9Sstevel@tonic-gate if (ddi_prop_lookup_string(dev, dip, DDI_PROP_DONTPASS, 82097c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, &devidstr) != DDI_PROP_SUCCESS) { 82107c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || 82117c478bd9Sstevel@tonic-gate (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 8212184cd04cScth DDI_PROP_DONTPASS, DEVID_PROP_NAME, &devidstr) != 8213184cd04cScth DDI_PROP_SUCCESS)) { 8214184cd04cScth return (DDI_FAILURE); 82157c478bd9Sstevel@tonic-gate } 82167c478bd9Sstevel@tonic-gate } 82177c478bd9Sstevel@tonic-gate 82187c478bd9Sstevel@tonic-gate /* convert to binary form */ 82197c478bd9Sstevel@tonic-gate if (ddi_devid_str_decode(devidstr, ret_devid, NULL) == -1) { 82207c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 82217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 82227c478bd9Sstevel@tonic-gate } 82237c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 82247c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 82257c478bd9Sstevel@tonic-gate } 82267c478bd9Sstevel@tonic-gate 82277c478bd9Sstevel@tonic-gate /* 82287c478bd9Sstevel@tonic-gate * Return a copy of the device id for dev_t 82297c478bd9Sstevel@tonic-gate */ 82307c478bd9Sstevel@tonic-gate int 82317c478bd9Sstevel@tonic-gate ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid) 82327c478bd9Sstevel@tonic-gate { 82337c478bd9Sstevel@tonic-gate dev_info_t *dip; 82347c478bd9Sstevel@tonic-gate int rval; 82357c478bd9Sstevel@tonic-gate 82367c478bd9Sstevel@tonic-gate /* get the dip */ 82377c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 82387c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 82397c478bd9Sstevel@tonic-gate 82407c478bd9Sstevel@tonic-gate rval = i_ddi_devi_get_devid(dev, dip, ret_devid); 82417c478bd9Sstevel@tonic-gate 82427c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 82437c478bd9Sstevel@tonic-gate return (rval); 82447c478bd9Sstevel@tonic-gate } 82457c478bd9Sstevel@tonic-gate 82467c478bd9Sstevel@tonic-gate /* 82477c478bd9Sstevel@tonic-gate * Return a copy of the minor name for dev_t and spec_type 82487c478bd9Sstevel@tonic-gate */ 82497c478bd9Sstevel@tonic-gate int 82507c478bd9Sstevel@tonic-gate ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name) 82517c478bd9Sstevel@tonic-gate { 8252b9ccdc5aScth char *buf; 8253b9ccdc5aScth int circ; 82547c478bd9Sstevel@tonic-gate dev_info_t *dip; 82557c478bd9Sstevel@tonic-gate char *nm; 8256b9ccdc5aScth int rval; 82577c478bd9Sstevel@tonic-gate 8258b9ccdc5aScth if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) { 8259b9ccdc5aScth *minor_name = NULL; 82607c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 82617c478bd9Sstevel@tonic-gate } 82627c478bd9Sstevel@tonic-gate 8263b9ccdc5aScth /* Find the minor name and copy into max size buf */ 8264b9ccdc5aScth buf = kmem_alloc(MAXNAMELEN, KM_SLEEP); 8265b9ccdc5aScth ndi_devi_enter(dip, &circ); 8266b9ccdc5aScth nm = i_ddi_devtspectype_to_minorname(dip, dev, spec_type); 8267b9ccdc5aScth if (nm) 8268b9ccdc5aScth (void) strcpy(buf, nm); 8269b9ccdc5aScth ndi_devi_exit(dip, circ); 8270b9ccdc5aScth ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 82717c478bd9Sstevel@tonic-gate 8272b9ccdc5aScth if (nm) { 8273b9ccdc5aScth /* duplicate into min size buf for return result */ 8274b9ccdc5aScth *minor_name = i_ddi_strdup(buf, KM_SLEEP); 8275b9ccdc5aScth rval = DDI_SUCCESS; 8276b9ccdc5aScth } else { 82777c478bd9Sstevel@tonic-gate *minor_name = NULL; 8278b9ccdc5aScth rval = DDI_FAILURE; 82797c478bd9Sstevel@tonic-gate } 82807c478bd9Sstevel@tonic-gate 8281b9ccdc5aScth /* free max size buf and return */ 8282b9ccdc5aScth kmem_free(buf, MAXNAMELEN); 8283b9ccdc5aScth return (rval); 82847c478bd9Sstevel@tonic-gate } 82857c478bd9Sstevel@tonic-gate 82867c478bd9Sstevel@tonic-gate int 82877c478bd9Sstevel@tonic-gate ddi_lyr_devid_to_devlist( 82887c478bd9Sstevel@tonic-gate ddi_devid_t devid, 82897c478bd9Sstevel@tonic-gate char *minor_name, 82907c478bd9Sstevel@tonic-gate int *retndevs, 82917c478bd9Sstevel@tonic-gate dev_t **retdevs) 82927c478bd9Sstevel@tonic-gate { 82937c478bd9Sstevel@tonic-gate ASSERT(ddi_devid_valid(devid) == DDI_SUCCESS); 82947c478bd9Sstevel@tonic-gate 82957c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 82967c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 82977c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 82987c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 8299184cd04cScth *retndevs, *retdevs); 83007c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 83017c478bd9Sstevel@tonic-gate } 83027c478bd9Sstevel@tonic-gate 83037c478bd9Sstevel@tonic-gate if (e_ddi_devid_discovery(devid) == DDI_FAILURE) { 83047c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 83057c478bd9Sstevel@tonic-gate } 83067c478bd9Sstevel@tonic-gate 83077c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 83087c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 83097c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 83107c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 8311184cd04cScth *retndevs, *retdevs); 83127c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 83137c478bd9Sstevel@tonic-gate } 83147c478bd9Sstevel@tonic-gate 83157c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 83167c478bd9Sstevel@tonic-gate } 83177c478bd9Sstevel@tonic-gate 83187c478bd9Sstevel@tonic-gate void 83197c478bd9Sstevel@tonic-gate ddi_lyr_free_devlist(dev_t *devlist, int ndevs) 83207c478bd9Sstevel@tonic-gate { 83217c478bd9Sstevel@tonic-gate kmem_free(devlist, sizeof (dev_t) * ndevs); 83227c478bd9Sstevel@tonic-gate } 83237c478bd9Sstevel@tonic-gate 83247c478bd9Sstevel@tonic-gate /* 83257c478bd9Sstevel@tonic-gate * Note: This will need to be fixed if we ever allow processes to 83267c478bd9Sstevel@tonic-gate * have more than one data model per exec. 83277c478bd9Sstevel@tonic-gate */ 83287c478bd9Sstevel@tonic-gate model_t 83297c478bd9Sstevel@tonic-gate ddi_mmap_get_model(void) 83307c478bd9Sstevel@tonic-gate { 83317c478bd9Sstevel@tonic-gate return (get_udatamodel()); 83327c478bd9Sstevel@tonic-gate } 83337c478bd9Sstevel@tonic-gate 83347c478bd9Sstevel@tonic-gate model_t 83357c478bd9Sstevel@tonic-gate ddi_model_convert_from(model_t model) 83367c478bd9Sstevel@tonic-gate { 83377c478bd9Sstevel@tonic-gate return ((model & DDI_MODEL_MASK) & ~DDI_MODEL_NATIVE); 83387c478bd9Sstevel@tonic-gate } 83397c478bd9Sstevel@tonic-gate 83407c478bd9Sstevel@tonic-gate /* 83417c478bd9Sstevel@tonic-gate * ddi interfaces managing storage and retrieval of eventcookies. 83427c478bd9Sstevel@tonic-gate */ 83437c478bd9Sstevel@tonic-gate 83447c478bd9Sstevel@tonic-gate /* 83457c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 83467c478bd9Sstevel@tonic-gate * (*bus_remove_eventcall)() interface to remove a registered 83477c478bd9Sstevel@tonic-gate * callback handler for "event". 83487c478bd9Sstevel@tonic-gate */ 83497c478bd9Sstevel@tonic-gate int 83507c478bd9Sstevel@tonic-gate ddi_remove_event_handler(ddi_callback_id_t id) 83517c478bd9Sstevel@tonic-gate { 83527c478bd9Sstevel@tonic-gate ndi_event_callbacks_t *cb = (ndi_event_callbacks_t *)id; 83537c478bd9Sstevel@tonic-gate dev_info_t *ddip; 83547c478bd9Sstevel@tonic-gate 83557c478bd9Sstevel@tonic-gate ASSERT(cb); 83567c478bd9Sstevel@tonic-gate if (!cb) { 83577c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 83587c478bd9Sstevel@tonic-gate } 83597c478bd9Sstevel@tonic-gate 83607c478bd9Sstevel@tonic-gate ddip = NDI_EVENT_DDIP(cb->ndi_evtcb_cookie); 83617c478bd9Sstevel@tonic-gate return (ndi_busop_remove_eventcall(ddip, id)); 83627c478bd9Sstevel@tonic-gate } 83637c478bd9Sstevel@tonic-gate 83647c478bd9Sstevel@tonic-gate /* 83657c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 83667c478bd9Sstevel@tonic-gate * (*bus_add_eventcall)() interface to register a callback handler 83677c478bd9Sstevel@tonic-gate * for "event". 83687c478bd9Sstevel@tonic-gate */ 83697c478bd9Sstevel@tonic-gate int 83707c478bd9Sstevel@tonic-gate ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 83717c478bd9Sstevel@tonic-gate void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 83727c478bd9Sstevel@tonic-gate void *arg, ddi_callback_id_t *id) 83737c478bd9Sstevel@tonic-gate { 83747c478bd9Sstevel@tonic-gate return (ndi_busop_add_eventcall(dip, dip, event, handler, arg, id)); 83757c478bd9Sstevel@tonic-gate } 83767c478bd9Sstevel@tonic-gate 83777c478bd9Sstevel@tonic-gate 83787c478bd9Sstevel@tonic-gate /* 83797c478bd9Sstevel@tonic-gate * Return a handle for event "name" by calling up the device tree 83807c478bd9Sstevel@tonic-gate * hierarchy via (*bus_get_eventcookie)() interface until claimed 83817c478bd9Sstevel@tonic-gate * by a bus nexus or top of dev_info tree is reached. 83827c478bd9Sstevel@tonic-gate */ 83837c478bd9Sstevel@tonic-gate int 83847c478bd9Sstevel@tonic-gate ddi_get_eventcookie(dev_info_t *dip, char *name, 83857c478bd9Sstevel@tonic-gate ddi_eventcookie_t *event_cookiep) 83867c478bd9Sstevel@tonic-gate { 83877c478bd9Sstevel@tonic-gate return (ndi_busop_get_eventcookie(dip, dip, 83887c478bd9Sstevel@tonic-gate name, event_cookiep)); 83897c478bd9Sstevel@tonic-gate } 83907c478bd9Sstevel@tonic-gate 83917c478bd9Sstevel@tonic-gate /* 83927c478bd9Sstevel@tonic-gate * This procedure is provided as the general callback function when 83937c478bd9Sstevel@tonic-gate * umem_lockmemory calls as_add_callback for long term memory locking. 83947c478bd9Sstevel@tonic-gate * When as_unmap, as_setprot, or as_free encounter segments which have 83957c478bd9Sstevel@tonic-gate * locked memory, this callback will be invoked. 83967c478bd9Sstevel@tonic-gate */ 83977c478bd9Sstevel@tonic-gate void 83987c478bd9Sstevel@tonic-gate umem_lock_undo(struct as *as, void *arg, uint_t event) 83997c478bd9Sstevel@tonic-gate { 84007c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(as, event)) 84017c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *cp = (struct ddi_umem_cookie *)arg; 84027c478bd9Sstevel@tonic-gate 84037c478bd9Sstevel@tonic-gate /* 84047c478bd9Sstevel@tonic-gate * Call the cleanup function. Decrement the cookie reference 84057c478bd9Sstevel@tonic-gate * count, if it goes to zero, return the memory for the cookie. 84067c478bd9Sstevel@tonic-gate * The i_ddi_umem_unlock for this cookie may or may not have been 84077c478bd9Sstevel@tonic-gate * called already. It is the responsibility of the caller of 84087c478bd9Sstevel@tonic-gate * umem_lockmemory to handle the case of the cleanup routine 84097c478bd9Sstevel@tonic-gate * being called after a ddi_umem_unlock for the cookie 84107c478bd9Sstevel@tonic-gate * was called. 84117c478bd9Sstevel@tonic-gate */ 84127c478bd9Sstevel@tonic-gate 84137c478bd9Sstevel@tonic-gate (*cp->callbacks.cbo_umem_lock_cleanup)((ddi_umem_cookie_t)cp); 84147c478bd9Sstevel@tonic-gate 84157c478bd9Sstevel@tonic-gate /* remove the cookie if reference goes to zero */ 84167c478bd9Sstevel@tonic-gate if (atomic_add_long_nv((ulong_t *)(&(cp->cook_refcnt)), -1) == 0) { 84177c478bd9Sstevel@tonic-gate kmem_free(cp, sizeof (struct ddi_umem_cookie)); 84187c478bd9Sstevel@tonic-gate } 84197c478bd9Sstevel@tonic-gate } 84207c478bd9Sstevel@tonic-gate 84217c478bd9Sstevel@tonic-gate /* 84227c478bd9Sstevel@tonic-gate * The following two Consolidation Private routines provide generic 84237c478bd9Sstevel@tonic-gate * interfaces to increase/decrease the amount of device-locked memory. 84247c478bd9Sstevel@tonic-gate * 84257c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_decr_locked_memory() 84267c478bd9Sstevel@tonic-gate * must be called every time i_ddi_incr_locked_memory() is called. 84277c478bd9Sstevel@tonic-gate */ 84287c478bd9Sstevel@tonic-gate int 84297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8430c6939658Ssl i_ddi_incr_locked_memory(proc_t *procp, rctl_qty_t inc) 84317c478bd9Sstevel@tonic-gate { 8432c6939658Ssl ASSERT(procp != NULL); 8433c6939658Ssl mutex_enter(&procp->p_lock); 8434c6939658Ssl if (rctl_incr_locked_mem(procp, NULL, inc, 1)) { 8435c6939658Ssl mutex_exit(&procp->p_lock); 84367c478bd9Sstevel@tonic-gate return (ENOMEM); 84377c478bd9Sstevel@tonic-gate } 8438c6939658Ssl mutex_exit(&procp->p_lock); 84397c478bd9Sstevel@tonic-gate return (0); 84407c478bd9Sstevel@tonic-gate } 84417c478bd9Sstevel@tonic-gate 84427c478bd9Sstevel@tonic-gate /* 84437c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_incr_locked_memory() 84447c478bd9Sstevel@tonic-gate * must be called every time i_ddi_decr_locked_memory() is called. 84457c478bd9Sstevel@tonic-gate */ 84467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 84477c478bd9Sstevel@tonic-gate void 8448c6939658Ssl i_ddi_decr_locked_memory(proc_t *procp, rctl_qty_t dec) 84497c478bd9Sstevel@tonic-gate { 8450c6939658Ssl ASSERT(procp != NULL); 8451c6939658Ssl mutex_enter(&procp->p_lock); 8452c6939658Ssl rctl_decr_locked_mem(procp, NULL, dec, 1); 8453c6939658Ssl mutex_exit(&procp->p_lock); 84547c478bd9Sstevel@tonic-gate } 84557c478bd9Sstevel@tonic-gate 84567c478bd9Sstevel@tonic-gate /* 8457c6939658Ssl * This routine checks if the max-locked-memory resource ctl is 84587c478bd9Sstevel@tonic-gate * exceeded, if not increments it, grabs a hold on the project. 84597c478bd9Sstevel@tonic-gate * Returns 0 if successful otherwise returns error code 84607c478bd9Sstevel@tonic-gate */ 84617c478bd9Sstevel@tonic-gate static int 84627c478bd9Sstevel@tonic-gate umem_incr_devlockmem(struct ddi_umem_cookie *cookie) 84637c478bd9Sstevel@tonic-gate { 84647c478bd9Sstevel@tonic-gate proc_t *procp; 84657c478bd9Sstevel@tonic-gate int ret; 84667c478bd9Sstevel@tonic-gate 84677c478bd9Sstevel@tonic-gate ASSERT(cookie); 84687c478bd9Sstevel@tonic-gate procp = cookie->procp; 84697c478bd9Sstevel@tonic-gate ASSERT(procp); 84707c478bd9Sstevel@tonic-gate 8471c6939658Ssl if ((ret = i_ddi_incr_locked_memory(procp, 8472184cd04cScth cookie->size)) != 0) { 84737c478bd9Sstevel@tonic-gate return (ret); 84747c478bd9Sstevel@tonic-gate } 84757c478bd9Sstevel@tonic-gate return (0); 84767c478bd9Sstevel@tonic-gate } 84777c478bd9Sstevel@tonic-gate 84787c478bd9Sstevel@tonic-gate /* 8479c6939658Ssl * Decrements the max-locked-memory resource ctl and releases 84807c478bd9Sstevel@tonic-gate * the hold on the project that was acquired during umem_incr_devlockmem 84817c478bd9Sstevel@tonic-gate */ 84827c478bd9Sstevel@tonic-gate static void 84837c478bd9Sstevel@tonic-gate umem_decr_devlockmem(struct ddi_umem_cookie *cookie) 84847c478bd9Sstevel@tonic-gate { 8485c6939658Ssl proc_t *proc; 84867c478bd9Sstevel@tonic-gate 8487c6939658Ssl proc = (proc_t *)cookie->procp; 8488c6939658Ssl if (!proc) 84897c478bd9Sstevel@tonic-gate return; 84907c478bd9Sstevel@tonic-gate 8491c6939658Ssl i_ddi_decr_locked_memory(proc, cookie->size); 84927c478bd9Sstevel@tonic-gate } 84937c478bd9Sstevel@tonic-gate 84947c478bd9Sstevel@tonic-gate /* 84957c478bd9Sstevel@tonic-gate * A consolidation private function which is essentially equivalent to 84967c478bd9Sstevel@tonic-gate * ddi_umem_lock but with the addition of arguments ops_vector and procp. 84977c478bd9Sstevel@tonic-gate * A call to as_add_callback is done if DDI_UMEMLOCK_LONGTERM is set, and 84987c478bd9Sstevel@tonic-gate * the ops_vector is valid. 84997c478bd9Sstevel@tonic-gate * 85007c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 85017c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 85027c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 85037c478bd9Sstevel@tonic-gate * to user space. 85047c478bd9Sstevel@tonic-gate * 85057c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 85067c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 85077c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 85087c478bd9Sstevel@tonic-gate * counter for the device locked memory. 85097c478bd9Sstevel@tonic-gate * 85107c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 85117c478bd9Sstevel@tonic-gate * 85127c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 85137c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 85147c478bd9Sstevel@tonic-gate * DDI_UMEMLOCK_LONGTERM must be set when the locking will 85157c478bd9Sstevel@tonic-gate * be maintained for an indefinitely long period (essentially permanent), 85167c478bd9Sstevel@tonic-gate * rather than for what would be required for a typical I/O completion. 85177c478bd9Sstevel@tonic-gate * When DDI_UMEMLOCK_LONGTERM is set, umem_lockmemory will return EFAULT 85187c478bd9Sstevel@tonic-gate * if the memory pertains to a regular file which is mapped MAP_SHARED. 85197c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted after 85207c478bd9Sstevel@tonic-gate * after the locking is done. 85217c478bd9Sstevel@tonic-gate * 85227c478bd9Sstevel@tonic-gate * Returns 0 on success 85237c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 85247c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 85257c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 8526c6939658Ssl * *.max-locked-memory resource control value. 85277c478bd9Sstevel@tonic-gate * EFAULT - memory pertains to a regular file mapped shared and 85287c478bd9Sstevel@tonic-gate * and DDI_UMEMLOCK_LONGTERM flag is set 85297c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 85307c478bd9Sstevel@tonic-gate */ 85317c478bd9Sstevel@tonic-gate int 85327c478bd9Sstevel@tonic-gate umem_lockmemory(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie, 85337c478bd9Sstevel@tonic-gate struct umem_callback_ops *ops_vector, 85347c478bd9Sstevel@tonic-gate proc_t *procp) 85357c478bd9Sstevel@tonic-gate { 85367c478bd9Sstevel@tonic-gate int error; 85377c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 85387c478bd9Sstevel@tonic-gate void (*driver_callback)() = NULL; 8539d863b343SBill Taylor struct as *as; 85407c478bd9Sstevel@tonic-gate struct seg *seg; 85417c478bd9Sstevel@tonic-gate vnode_t *vp; 85427c478bd9Sstevel@tonic-gate 8543d863b343SBill Taylor /* Allow device drivers to not have to reference "curproc" */ 8544d863b343SBill Taylor if (procp == NULL) 8545d863b343SBill Taylor procp = curproc; 8546d863b343SBill Taylor as = procp->p_as; 85477c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 85487c478bd9Sstevel@tonic-gate 85497c478bd9Sstevel@tonic-gate /* These are the only three valid flags */ 85507c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE | 85517c478bd9Sstevel@tonic-gate DDI_UMEMLOCK_LONGTERM)) != 0) 85527c478bd9Sstevel@tonic-gate return (EINVAL); 85537c478bd9Sstevel@tonic-gate 85547c478bd9Sstevel@tonic-gate /* At least one (can be both) of the two access flags must be set */ 85557c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) 85567c478bd9Sstevel@tonic-gate return (EINVAL); 85577c478bd9Sstevel@tonic-gate 85587c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 85597c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) 85607c478bd9Sstevel@tonic-gate return (EINVAL); 85617c478bd9Sstevel@tonic-gate 85627c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) 85637c478bd9Sstevel@tonic-gate return (EINVAL); 85647c478bd9Sstevel@tonic-gate 85657c478bd9Sstevel@tonic-gate /* 85667c478bd9Sstevel@tonic-gate * For longterm locking a driver callback must be specified; if 85677c478bd9Sstevel@tonic-gate * not longterm then a callback is optional. 85687c478bd9Sstevel@tonic-gate */ 85697c478bd9Sstevel@tonic-gate if (ops_vector != NULL) { 85707c478bd9Sstevel@tonic-gate if (ops_vector->cbo_umem_callback_version != 85717c478bd9Sstevel@tonic-gate UMEM_CALLBACK_VERSION) 85727c478bd9Sstevel@tonic-gate return (EINVAL); 85737c478bd9Sstevel@tonic-gate else 85747c478bd9Sstevel@tonic-gate driver_callback = ops_vector->cbo_umem_lock_cleanup; 85757c478bd9Sstevel@tonic-gate } 85767c478bd9Sstevel@tonic-gate if ((driver_callback == NULL) && (flags & DDI_UMEMLOCK_LONGTERM)) 85777c478bd9Sstevel@tonic-gate return (EINVAL); 85787c478bd9Sstevel@tonic-gate 85797c478bd9Sstevel@tonic-gate /* 85807c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 85817c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 85827c478bd9Sstevel@tonic-gate */ 85837c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 85847c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 85857c478bd9Sstevel@tonic-gate 85867c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 85877c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 85887c478bd9Sstevel@tonic-gate 85897c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 85907c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 85917c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 85927c478bd9Sstevel@tonic-gate } else { 85937c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 85947c478bd9Sstevel@tonic-gate } 85957c478bd9Sstevel@tonic-gate 85967c478bd9Sstevel@tonic-gate /* Store procp in cookie for later iosetup/unlock */ 85977c478bd9Sstevel@tonic-gate p->procp = (void *)procp; 85987c478bd9Sstevel@tonic-gate 85997c478bd9Sstevel@tonic-gate /* 86007c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 86017c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 86027c478bd9Sstevel@tonic-gate * is called after relvm is called. 86037c478bd9Sstevel@tonic-gate */ 86047c478bd9Sstevel@tonic-gate p->asp = as; 86057c478bd9Sstevel@tonic-gate 86067c478bd9Sstevel@tonic-gate /* 86077c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 86087c478bd9Sstevel@tonic-gate */ 86097c478bd9Sstevel@tonic-gate p->size = len; 86107c478bd9Sstevel@tonic-gate 86117c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 86127c478bd9Sstevel@tonic-gate /* 86137c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 86147c478bd9Sstevel@tonic-gate */ 86157c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86167c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86177c478bd9Sstevel@tonic-gate return (ENOMEM); 86187c478bd9Sstevel@tonic-gate } 86197c478bd9Sstevel@tonic-gate 86207c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 86217c478bd9Sstevel@tonic-gate error = as_pagelock(as, &(p->pparray), addr, len, p->s_flags); 86227c478bd9Sstevel@tonic-gate if (error != 0) { 86237c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 86247c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86257c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86267c478bd9Sstevel@tonic-gate return (error); 86277c478bd9Sstevel@tonic-gate } 86287c478bd9Sstevel@tonic-gate 86297c478bd9Sstevel@tonic-gate /* 86307c478bd9Sstevel@tonic-gate * For longterm locking the addr must pertain to a seg_vn segment or 86317c478bd9Sstevel@tonic-gate * or a seg_spt segment. 86327c478bd9Sstevel@tonic-gate * If the segment pertains to a regular file, it cannot be 86337c478bd9Sstevel@tonic-gate * mapped MAP_SHARED. 86347c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted 86357c478bd9Sstevel@tonic-gate * after the locking is done. 86367c478bd9Sstevel@tonic-gate * Doing this after as_pagelock guarantees persistence of the as; if 86377c478bd9Sstevel@tonic-gate * an unacceptable segment is found, the cleanup includes calling 86387c478bd9Sstevel@tonic-gate * as_pageunlock before returning EFAULT. 8639d863b343SBill Taylor * 8640d863b343SBill Taylor * segdev is allowed here as it is already locked. This allows 8641d863b343SBill Taylor * for memory exported by drivers through mmap() (which is already 8642d863b343SBill Taylor * locked) to be allowed for LONGTERM. 86437c478bd9Sstevel@tonic-gate */ 86447c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_LONGTERM) { 86457c478bd9Sstevel@tonic-gate extern struct seg_ops segspt_shmops; 8646d863b343SBill Taylor extern struct seg_ops segdev_ops; 86477c478bd9Sstevel@tonic-gate AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 86487c478bd9Sstevel@tonic-gate for (seg = as_segat(as, addr); ; seg = AS_SEGNEXT(as, seg)) { 86497c478bd9Sstevel@tonic-gate if (seg == NULL || seg->s_base > addr + len) 86507c478bd9Sstevel@tonic-gate break; 8651d863b343SBill Taylor if (seg->s_ops == &segdev_ops) 8652d863b343SBill Taylor continue; 86537c478bd9Sstevel@tonic-gate if (((seg->s_ops != &segvn_ops) && 86547c478bd9Sstevel@tonic-gate (seg->s_ops != &segspt_shmops)) || 86557c478bd9Sstevel@tonic-gate ((SEGOP_GETVP(seg, addr, &vp) == 0 && 86567c478bd9Sstevel@tonic-gate vp != NULL && vp->v_type == VREG) && 86577c478bd9Sstevel@tonic-gate (SEGOP_GETTYPE(seg, addr) & MAP_SHARED))) { 86587c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 8659184cd04cScth addr, len, p->s_flags); 86607c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 86617c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 86627c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86637c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86647c478bd9Sstevel@tonic-gate return (EFAULT); 86657c478bd9Sstevel@tonic-gate } 86667c478bd9Sstevel@tonic-gate } 86677c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 86687c478bd9Sstevel@tonic-gate } 86697c478bd9Sstevel@tonic-gate 86707c478bd9Sstevel@tonic-gate 86717c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 86727c478bd9Sstevel@tonic-gate p->cvaddr = addr; 86737c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 86747c478bd9Sstevel@tonic-gate if (driver_callback != NULL) { 86757c478bd9Sstevel@tonic-gate /* i_ddi_umem_unlock and umem_lock_undo may need the cookie */ 86767c478bd9Sstevel@tonic-gate p->cook_refcnt = 2; 86777c478bd9Sstevel@tonic-gate p->callbacks = *ops_vector; 86787c478bd9Sstevel@tonic-gate } else { 86797c478bd9Sstevel@tonic-gate /* only i_ddi_umme_unlock needs the cookie */ 86807c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 86817c478bd9Sstevel@tonic-gate } 86827c478bd9Sstevel@tonic-gate 86837c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 86847c478bd9Sstevel@tonic-gate 86857c478bd9Sstevel@tonic-gate /* 86867c478bd9Sstevel@tonic-gate * If a driver callback was specified, add an entry to the 86877c478bd9Sstevel@tonic-gate * as struct callback list. The as_pagelock above guarantees 86887c478bd9Sstevel@tonic-gate * the persistence of as. 86897c478bd9Sstevel@tonic-gate */ 86907c478bd9Sstevel@tonic-gate if (driver_callback) { 86917c478bd9Sstevel@tonic-gate error = as_add_callback(as, umem_lock_undo, p, AS_ALL_EVENT, 8692184cd04cScth addr, len, KM_SLEEP); 86937c478bd9Sstevel@tonic-gate if (error != 0) { 86947c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 8695184cd04cScth addr, len, p->s_flags); 86967c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 86977c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86987c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86997c478bd9Sstevel@tonic-gate } 87007c478bd9Sstevel@tonic-gate } 87017c478bd9Sstevel@tonic-gate return (error); 87027c478bd9Sstevel@tonic-gate } 87037c478bd9Sstevel@tonic-gate 87047c478bd9Sstevel@tonic-gate /* 87057c478bd9Sstevel@tonic-gate * Unlock the pages locked by ddi_umem_lock or umem_lockmemory and free 87067c478bd9Sstevel@tonic-gate * the cookie. Called from i_ddi_umem_unlock_thread. 87077c478bd9Sstevel@tonic-gate */ 87087c478bd9Sstevel@tonic-gate 87097c478bd9Sstevel@tonic-gate static void 87107c478bd9Sstevel@tonic-gate i_ddi_umem_unlock(struct ddi_umem_cookie *p) 87117c478bd9Sstevel@tonic-gate { 87127c478bd9Sstevel@tonic-gate uint_t rc; 87137c478bd9Sstevel@tonic-gate 87147c478bd9Sstevel@tonic-gate /* 87157c478bd9Sstevel@tonic-gate * There is no way to determine whether a callback to 87167c478bd9Sstevel@tonic-gate * umem_lock_undo was registered via as_add_callback. 87177c478bd9Sstevel@tonic-gate * (i.e. umem_lockmemory was called with DDI_MEMLOCK_LONGTERM and 87187c478bd9Sstevel@tonic-gate * a valid callback function structure.) as_delete_callback 87197c478bd9Sstevel@tonic-gate * is called to delete a possible registered callback. If the 87207c478bd9Sstevel@tonic-gate * return from as_delete_callbacks is AS_CALLBACK_DELETED, it 87217c478bd9Sstevel@tonic-gate * indicates that there was a callback registered, and that is was 87227c478bd9Sstevel@tonic-gate * successfully deleted. Thus, the cookie reference count 87237c478bd9Sstevel@tonic-gate * will never be decremented by umem_lock_undo. Just return the 87247c478bd9Sstevel@tonic-gate * memory for the cookie, since both users of the cookie are done. 87257c478bd9Sstevel@tonic-gate * A return of AS_CALLBACK_NOTFOUND indicates a callback was 87267c478bd9Sstevel@tonic-gate * never registered. A return of AS_CALLBACK_DELETE_DEFERRED 87277c478bd9Sstevel@tonic-gate * indicates that callback processing is taking place and, and 87287c478bd9Sstevel@tonic-gate * umem_lock_undo is, or will be, executing, and thus decrementing 87297c478bd9Sstevel@tonic-gate * the cookie reference count when it is complete. 87307c478bd9Sstevel@tonic-gate * 87317c478bd9Sstevel@tonic-gate * This needs to be done before as_pageunlock so that the 87327c478bd9Sstevel@tonic-gate * persistence of as is guaranteed because of the locked pages. 87337c478bd9Sstevel@tonic-gate * 87347c478bd9Sstevel@tonic-gate */ 87357c478bd9Sstevel@tonic-gate rc = as_delete_callback(p->asp, p); 87367c478bd9Sstevel@tonic-gate 87377c478bd9Sstevel@tonic-gate 87387c478bd9Sstevel@tonic-gate /* 87397c478bd9Sstevel@tonic-gate * The proc->p_as will be stale if i_ddi_umem_unlock is called 87407c478bd9Sstevel@tonic-gate * after relvm is called so use p->asp. 87417c478bd9Sstevel@tonic-gate */ 87427c478bd9Sstevel@tonic-gate as_pageunlock(p->asp, p->pparray, p->cvaddr, p->size, p->s_flags); 87437c478bd9Sstevel@tonic-gate 87447c478bd9Sstevel@tonic-gate /* 87457c478bd9Sstevel@tonic-gate * Now that we have unlocked the memory decrement the 8746c6939658Ssl * *.max-locked-memory rctl 87477c478bd9Sstevel@tonic-gate */ 87487c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 87497c478bd9Sstevel@tonic-gate 87507c478bd9Sstevel@tonic-gate if (rc == AS_CALLBACK_DELETED) { 87517c478bd9Sstevel@tonic-gate /* umem_lock_undo will not happen, return the cookie memory */ 87527c478bd9Sstevel@tonic-gate ASSERT(p->cook_refcnt == 2); 87537c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 87547c478bd9Sstevel@tonic-gate } else { 87557c478bd9Sstevel@tonic-gate /* 87567c478bd9Sstevel@tonic-gate * umem_undo_lock may happen if as_delete_callback returned 87577c478bd9Sstevel@tonic-gate * AS_CALLBACK_DELETE_DEFERRED. In that case, decrement the 87587c478bd9Sstevel@tonic-gate * reference count, atomically, and return the cookie 87597c478bd9Sstevel@tonic-gate * memory if the reference count goes to zero. The only 87607c478bd9Sstevel@tonic-gate * other value for rc is AS_CALLBACK_NOTFOUND. In that 87617c478bd9Sstevel@tonic-gate * case, just return the cookie memory. 87627c478bd9Sstevel@tonic-gate */ 87637c478bd9Sstevel@tonic-gate if ((rc != AS_CALLBACK_DELETE_DEFERRED) || 87647c478bd9Sstevel@tonic-gate (atomic_add_long_nv((ulong_t *)(&(p->cook_refcnt)), -1) 87657c478bd9Sstevel@tonic-gate == 0)) { 87667c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 87677c478bd9Sstevel@tonic-gate } 87687c478bd9Sstevel@tonic-gate } 87697c478bd9Sstevel@tonic-gate } 87707c478bd9Sstevel@tonic-gate 87717c478bd9Sstevel@tonic-gate /* 87727c478bd9Sstevel@tonic-gate * i_ddi_umem_unlock_thread - deferred ddi_umem_unlock list handler. 87737c478bd9Sstevel@tonic-gate * 87747c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock for entries in the ddi_umem_unlock list 87757c478bd9Sstevel@tonic-gate * until it is empty. Then, wait for more to be added. This thread is awoken 87767c478bd9Sstevel@tonic-gate * via calls to ddi_umem_unlock. 87777c478bd9Sstevel@tonic-gate */ 87787c478bd9Sstevel@tonic-gate 87797c478bd9Sstevel@tonic-gate static void 87807c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread(void) 87817c478bd9Sstevel@tonic-gate { 87827c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *ret_cookie; 87837c478bd9Sstevel@tonic-gate callb_cpr_t cprinfo; 87847c478bd9Sstevel@tonic-gate 87857c478bd9Sstevel@tonic-gate /* process the ddi_umem_unlock list */ 87867c478bd9Sstevel@tonic-gate CALLB_CPR_INIT(&cprinfo, &ddi_umem_unlock_mutex, 87877c478bd9Sstevel@tonic-gate callb_generic_cpr, "unlock_thread"); 87887c478bd9Sstevel@tonic-gate for (;;) { 87897c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 87907c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_head != NULL) { /* list not empty */ 87917c478bd9Sstevel@tonic-gate ret_cookie = ddi_umem_unlock_head; 87927c478bd9Sstevel@tonic-gate /* take if off the list */ 87937c478bd9Sstevel@tonic-gate if ((ddi_umem_unlock_head = 87947c478bd9Sstevel@tonic-gate ddi_umem_unlock_head->unl_forw) == NULL) { 87957c478bd9Sstevel@tonic-gate ddi_umem_unlock_tail = NULL; 87967c478bd9Sstevel@tonic-gate } 87977c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 87987c478bd9Sstevel@tonic-gate /* unlock the pages in this cookie */ 87997c478bd9Sstevel@tonic-gate (void) i_ddi_umem_unlock(ret_cookie); 88007c478bd9Sstevel@tonic-gate } else { /* list is empty, wait for next ddi_umem_unlock */ 88017c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_BEGIN(&cprinfo); 88027c478bd9Sstevel@tonic-gate cv_wait(&ddi_umem_unlock_cv, &ddi_umem_unlock_mutex); 88037c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_END(&cprinfo, &ddi_umem_unlock_mutex); 88047c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 88057c478bd9Sstevel@tonic-gate } 88067c478bd9Sstevel@tonic-gate } 88077c478bd9Sstevel@tonic-gate /* ddi_umem_unlock_thread does not exit */ 88087c478bd9Sstevel@tonic-gate /* NOTREACHED */ 88097c478bd9Sstevel@tonic-gate } 88107c478bd9Sstevel@tonic-gate 88117c478bd9Sstevel@tonic-gate /* 88127c478bd9Sstevel@tonic-gate * Start the thread that will process the ddi_umem_unlock list if it is 88137c478bd9Sstevel@tonic-gate * not already started (i_ddi_umem_unlock_thread). 88147c478bd9Sstevel@tonic-gate */ 88157c478bd9Sstevel@tonic-gate static void 88167c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(void) 88177c478bd9Sstevel@tonic-gate { 88187c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 88197c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) { 88207c478bd9Sstevel@tonic-gate ddi_umem_unlock_thread = thread_create(NULL, 0, 88217c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread, NULL, 0, &p0, 88227c478bd9Sstevel@tonic-gate TS_RUN, minclsyspri); 88237c478bd9Sstevel@tonic-gate } 88247c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 88257c478bd9Sstevel@tonic-gate } 88267c478bd9Sstevel@tonic-gate 88277c478bd9Sstevel@tonic-gate /* 88287c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 88297c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 88307c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 88317c478bd9Sstevel@tonic-gate * to user space. 88327c478bd9Sstevel@tonic-gate * 88337c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 88347c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 88357c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 88367c478bd9Sstevel@tonic-gate * counter for the device locked memory. This applies to umem_lockmemory too. 88377c478bd9Sstevel@tonic-gate * 88387c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 88397c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 88407c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 88417c478bd9Sstevel@tonic-gate * 88427c478bd9Sstevel@tonic-gate * Returns 0 on success 88437c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 88447c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 88457c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 8846c6939658Ssl * *.max-locked-memory resource control value. 88477c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 88487c478bd9Sstevel@tonic-gate */ 88497c478bd9Sstevel@tonic-gate int 88507c478bd9Sstevel@tonic-gate ddi_umem_lock(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie) 88517c478bd9Sstevel@tonic-gate { 88527c478bd9Sstevel@tonic-gate int error; 88537c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 88547c478bd9Sstevel@tonic-gate 88557c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 88567c478bd9Sstevel@tonic-gate 88577c478bd9Sstevel@tonic-gate /* These are the only two valid flags */ 88587c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) != 0) { 88597c478bd9Sstevel@tonic-gate return (EINVAL); 88607c478bd9Sstevel@tonic-gate } 88617c478bd9Sstevel@tonic-gate 88627c478bd9Sstevel@tonic-gate /* At least one of the two flags (or both) must be set */ 88637c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) { 88647c478bd9Sstevel@tonic-gate return (EINVAL); 88657c478bd9Sstevel@tonic-gate } 88667c478bd9Sstevel@tonic-gate 88677c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 88687c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) { 88697c478bd9Sstevel@tonic-gate return (EINVAL); 88707c478bd9Sstevel@tonic-gate } 88717c478bd9Sstevel@tonic-gate 88727c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) { 88737c478bd9Sstevel@tonic-gate return (EINVAL); 88747c478bd9Sstevel@tonic-gate } 88757c478bd9Sstevel@tonic-gate 88767c478bd9Sstevel@tonic-gate /* 88777c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 88787c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 88797c478bd9Sstevel@tonic-gate */ 88807c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 88817c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 88827c478bd9Sstevel@tonic-gate 88837c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 88847c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 88857c478bd9Sstevel@tonic-gate 88867c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 88877c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 88887c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 88897c478bd9Sstevel@tonic-gate } else { 88907c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 88917c478bd9Sstevel@tonic-gate } 88927c478bd9Sstevel@tonic-gate 88937c478bd9Sstevel@tonic-gate /* Store curproc in cookie for later iosetup/unlock */ 88947c478bd9Sstevel@tonic-gate p->procp = (void *)curproc; 88957c478bd9Sstevel@tonic-gate 88967c478bd9Sstevel@tonic-gate /* 88977c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 88987c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 88997c478bd9Sstevel@tonic-gate * is called after relvm is called. 89007c478bd9Sstevel@tonic-gate */ 89017c478bd9Sstevel@tonic-gate p->asp = curproc->p_as; 89027c478bd9Sstevel@tonic-gate /* 89037c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 89047c478bd9Sstevel@tonic-gate */ 89057c478bd9Sstevel@tonic-gate p->size = len; 89067c478bd9Sstevel@tonic-gate 89077c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 89087c478bd9Sstevel@tonic-gate /* 89097c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 89107c478bd9Sstevel@tonic-gate */ 89117c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 89127c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 89137c478bd9Sstevel@tonic-gate return (ENOMEM); 89147c478bd9Sstevel@tonic-gate } 89157c478bd9Sstevel@tonic-gate 89167c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 89177c478bd9Sstevel@tonic-gate error = as_pagelock(((proc_t *)p->procp)->p_as, &(p->pparray), 89187c478bd9Sstevel@tonic-gate addr, len, p->s_flags); 89197c478bd9Sstevel@tonic-gate if (error != 0) { 89207c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 89217c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 89227c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 89237c478bd9Sstevel@tonic-gate return (error); 89247c478bd9Sstevel@tonic-gate } 89257c478bd9Sstevel@tonic-gate 89267c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 89277c478bd9Sstevel@tonic-gate p->cvaddr = addr; 89287c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 89297c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 89307c478bd9Sstevel@tonic-gate 89317c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 89327c478bd9Sstevel@tonic-gate return (error); 89337c478bd9Sstevel@tonic-gate } 89347c478bd9Sstevel@tonic-gate 89357c478bd9Sstevel@tonic-gate /* 89367c478bd9Sstevel@tonic-gate * Add the cookie to the ddi_umem_unlock list. Pages will be 89377c478bd9Sstevel@tonic-gate * unlocked by i_ddi_umem_unlock_thread. 89387c478bd9Sstevel@tonic-gate */ 89397c478bd9Sstevel@tonic-gate 89407c478bd9Sstevel@tonic-gate void 89417c478bd9Sstevel@tonic-gate ddi_umem_unlock(ddi_umem_cookie_t cookie) 89427c478bd9Sstevel@tonic-gate { 89437c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 89447c478bd9Sstevel@tonic-gate 89457c478bd9Sstevel@tonic-gate ASSERT(p->type == UMEM_LOCKED); 89467c478bd9Sstevel@tonic-gate ASSERT(CPU_ON_INTR(CPU) == 0); /* cannot be high level */ 89477c478bd9Sstevel@tonic-gate ASSERT(ddi_umem_unlock_thread != NULL); 89487c478bd9Sstevel@tonic-gate 89497c478bd9Sstevel@tonic-gate p->unl_forw = (struct ddi_umem_cookie *)NULL; /* end of list */ 89509bbaf432Seota /* 89519bbaf432Seota * Queue the unlock request and notify i_ddi_umem_unlock thread 89529bbaf432Seota * if it's called in the interrupt context. Otherwise, unlock pages 89539bbaf432Seota * immediately. 89549bbaf432Seota */ 89559bbaf432Seota if (servicing_interrupt()) { 89569bbaf432Seota /* queue the unlock request and notify the thread */ 89579bbaf432Seota mutex_enter(&ddi_umem_unlock_mutex); 89589bbaf432Seota if (ddi_umem_unlock_head == NULL) { 89599bbaf432Seota ddi_umem_unlock_head = ddi_umem_unlock_tail = p; 89609bbaf432Seota cv_broadcast(&ddi_umem_unlock_cv); 89619bbaf432Seota } else { 89629bbaf432Seota ddi_umem_unlock_tail->unl_forw = p; 89639bbaf432Seota ddi_umem_unlock_tail = p; 89649bbaf432Seota } 89659bbaf432Seota mutex_exit(&ddi_umem_unlock_mutex); 89667c478bd9Sstevel@tonic-gate } else { 89679bbaf432Seota /* unlock the pages right away */ 89689bbaf432Seota (void) i_ddi_umem_unlock(p); 89697c478bd9Sstevel@tonic-gate } 89707c478bd9Sstevel@tonic-gate } 89717c478bd9Sstevel@tonic-gate 89727c478bd9Sstevel@tonic-gate /* 89737c478bd9Sstevel@tonic-gate * Create a buf structure from a ddi_umem_cookie 89747c478bd9Sstevel@tonic-gate * cookie - is a ddi_umem_cookie for from ddi_umem_lock and ddi_umem_alloc 89757c478bd9Sstevel@tonic-gate * (only UMEM_LOCKED & KMEM_NON_PAGEABLE types supported) 89767c478bd9Sstevel@tonic-gate * off, len - identifies the portion of the memory represented by the cookie 89777c478bd9Sstevel@tonic-gate * that the buf points to. 89787c478bd9Sstevel@tonic-gate * NOTE: off, len need to follow the alignment/size restrictions of the 89797c478bd9Sstevel@tonic-gate * device (dev) that this buf will be passed to. Some devices 89807c478bd9Sstevel@tonic-gate * will accept unrestricted alignment/size, whereas others (such as 89817c478bd9Sstevel@tonic-gate * st) require some block-size alignment/size. It is the caller's 89827c478bd9Sstevel@tonic-gate * responsibility to ensure that the alignment/size restrictions 89837c478bd9Sstevel@tonic-gate * are met (we cannot assert as we do not know the restrictions) 89847c478bd9Sstevel@tonic-gate * 89857c478bd9Sstevel@tonic-gate * direction - is one of B_READ or B_WRITE and needs to be compatible with 89867c478bd9Sstevel@tonic-gate * the flags used in ddi_umem_lock 89877c478bd9Sstevel@tonic-gate * 89887c478bd9Sstevel@tonic-gate * The following three arguments are used to initialize fields in the 89897c478bd9Sstevel@tonic-gate * buf structure and are uninterpreted by this routine. 89907c478bd9Sstevel@tonic-gate * 89917c478bd9Sstevel@tonic-gate * dev 89927c478bd9Sstevel@tonic-gate * blkno 89937c478bd9Sstevel@tonic-gate * iodone 89947c478bd9Sstevel@tonic-gate * 89957c478bd9Sstevel@tonic-gate * sleepflag - is one of DDI_UMEM_SLEEP or DDI_UMEM_NOSLEEP 89967c478bd9Sstevel@tonic-gate * 89977c478bd9Sstevel@tonic-gate * Returns a buf structure pointer on success (to be freed by freerbuf) 89987c478bd9Sstevel@tonic-gate * NULL on any parameter error or memory alloc failure 89997c478bd9Sstevel@tonic-gate * 90007c478bd9Sstevel@tonic-gate */ 90017c478bd9Sstevel@tonic-gate struct buf * 90027c478bd9Sstevel@tonic-gate ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, 90037c478bd9Sstevel@tonic-gate int direction, dev_t dev, daddr_t blkno, 90047c478bd9Sstevel@tonic-gate int (*iodone)(struct buf *), int sleepflag) 90057c478bd9Sstevel@tonic-gate { 90067c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 90077c478bd9Sstevel@tonic-gate struct buf *bp; 90087c478bd9Sstevel@tonic-gate 90097c478bd9Sstevel@tonic-gate /* 90107c478bd9Sstevel@tonic-gate * check for valid cookie offset, len 90117c478bd9Sstevel@tonic-gate */ 90127c478bd9Sstevel@tonic-gate if ((off + len) > p->size) { 90137c478bd9Sstevel@tonic-gate return (NULL); 90147c478bd9Sstevel@tonic-gate } 90157c478bd9Sstevel@tonic-gate 90167c478bd9Sstevel@tonic-gate if (len > p->size) { 90177c478bd9Sstevel@tonic-gate return (NULL); 90187c478bd9Sstevel@tonic-gate } 90197c478bd9Sstevel@tonic-gate 90207c478bd9Sstevel@tonic-gate /* direction has to be one of B_READ or B_WRITE */ 90217c478bd9Sstevel@tonic-gate if ((direction != B_READ) && (direction != B_WRITE)) { 90227c478bd9Sstevel@tonic-gate return (NULL); 90237c478bd9Sstevel@tonic-gate } 90247c478bd9Sstevel@tonic-gate 90257c478bd9Sstevel@tonic-gate /* These are the only two valid sleepflags */ 90267c478bd9Sstevel@tonic-gate if ((sleepflag != DDI_UMEM_SLEEP) && (sleepflag != DDI_UMEM_NOSLEEP)) { 90277c478bd9Sstevel@tonic-gate return (NULL); 90287c478bd9Sstevel@tonic-gate } 90297c478bd9Sstevel@tonic-gate 90307c478bd9Sstevel@tonic-gate /* 90317c478bd9Sstevel@tonic-gate * Only cookies of type UMEM_LOCKED and KMEM_NON_PAGEABLE are supported 90327c478bd9Sstevel@tonic-gate */ 90337c478bd9Sstevel@tonic-gate if ((p->type != UMEM_LOCKED) && (p->type != KMEM_NON_PAGEABLE)) { 90347c478bd9Sstevel@tonic-gate return (NULL); 90357c478bd9Sstevel@tonic-gate } 90367c478bd9Sstevel@tonic-gate 90377c478bd9Sstevel@tonic-gate /* If type is KMEM_NON_PAGEABLE procp is NULL */ 90387c478bd9Sstevel@tonic-gate ASSERT((p->type == KMEM_NON_PAGEABLE) ? 9039184cd04cScth (p->procp == NULL) : (p->procp != NULL)); 90407c478bd9Sstevel@tonic-gate 90417c478bd9Sstevel@tonic-gate bp = kmem_alloc(sizeof (struct buf), sleepflag); 90427c478bd9Sstevel@tonic-gate if (bp == NULL) { 90437c478bd9Sstevel@tonic-gate return (NULL); 90447c478bd9Sstevel@tonic-gate } 90457c478bd9Sstevel@tonic-gate bioinit(bp); 90467c478bd9Sstevel@tonic-gate 90477c478bd9Sstevel@tonic-gate bp->b_flags = B_BUSY | B_PHYS | direction; 90487c478bd9Sstevel@tonic-gate bp->b_edev = dev; 90497c478bd9Sstevel@tonic-gate bp->b_lblkno = blkno; 90507c478bd9Sstevel@tonic-gate bp->b_iodone = iodone; 90517c478bd9Sstevel@tonic-gate bp->b_bcount = len; 90527c478bd9Sstevel@tonic-gate bp->b_proc = (proc_t *)p->procp; 90537c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 90547c478bd9Sstevel@tonic-gate bp->b_un.b_addr = (caddr_t)((uintptr_t)(p->cvaddr) + off); 90557c478bd9Sstevel@tonic-gate if (p->pparray != NULL) { 90567c478bd9Sstevel@tonic-gate bp->b_flags |= B_SHADOW; 90577c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 90587c478bd9Sstevel@tonic-gate bp->b_shadow = p->pparray + btop(off); 90597c478bd9Sstevel@tonic-gate } 90607c478bd9Sstevel@tonic-gate return (bp); 90617c478bd9Sstevel@tonic-gate } 90627c478bd9Sstevel@tonic-gate 90637c478bd9Sstevel@tonic-gate /* 90647c478bd9Sstevel@tonic-gate * Fault-handling and related routines 90657c478bd9Sstevel@tonic-gate */ 90667c478bd9Sstevel@tonic-gate 90677c478bd9Sstevel@tonic-gate ddi_devstate_t 90687c478bd9Sstevel@tonic-gate ddi_get_devstate(dev_info_t *dip) 90697c478bd9Sstevel@tonic-gate { 90707c478bd9Sstevel@tonic-gate if (DEVI_IS_DEVICE_OFFLINE(dip)) 90717c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_OFFLINE); 90727c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DOWN(dip) || DEVI_IS_BUS_DOWN(dip)) 90737c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DOWN); 90747c478bd9Sstevel@tonic-gate else if (DEVI_IS_BUS_QUIESCED(dip)) 90757c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_QUIESCED); 90767c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DEGRADED(dip)) 90777c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DEGRADED); 90787c478bd9Sstevel@tonic-gate else 90797c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_UP); 90807c478bd9Sstevel@tonic-gate } 90817c478bd9Sstevel@tonic-gate 90827c478bd9Sstevel@tonic-gate void 90837c478bd9Sstevel@tonic-gate ddi_dev_report_fault(dev_info_t *dip, ddi_fault_impact_t impact, 90847c478bd9Sstevel@tonic-gate ddi_fault_location_t location, const char *message) 90857c478bd9Sstevel@tonic-gate { 90867c478bd9Sstevel@tonic-gate struct ddi_fault_event_data fd; 90877c478bd9Sstevel@tonic-gate ddi_eventcookie_t ec; 90887c478bd9Sstevel@tonic-gate 90897c478bd9Sstevel@tonic-gate /* 90907c478bd9Sstevel@tonic-gate * Assemble all the information into a fault-event-data structure 90917c478bd9Sstevel@tonic-gate */ 90927c478bd9Sstevel@tonic-gate fd.f_dip = dip; 90937c478bd9Sstevel@tonic-gate fd.f_impact = impact; 90947c478bd9Sstevel@tonic-gate fd.f_location = location; 90957c478bd9Sstevel@tonic-gate fd.f_message = message; 90967c478bd9Sstevel@tonic-gate fd.f_oldstate = ddi_get_devstate(dip); 90977c478bd9Sstevel@tonic-gate 90987c478bd9Sstevel@tonic-gate /* 90997c478bd9Sstevel@tonic-gate * Get eventcookie from defining parent. 91007c478bd9Sstevel@tonic-gate */ 91017c478bd9Sstevel@tonic-gate if (ddi_get_eventcookie(dip, DDI_DEVI_FAULT_EVENT, &ec) != 91027c478bd9Sstevel@tonic-gate DDI_SUCCESS) 91037c478bd9Sstevel@tonic-gate return; 91047c478bd9Sstevel@tonic-gate 91057c478bd9Sstevel@tonic-gate (void) ndi_post_event(dip, dip, ec, &fd); 91067c478bd9Sstevel@tonic-gate } 91077c478bd9Sstevel@tonic-gate 91087c478bd9Sstevel@tonic-gate char * 91097c478bd9Sstevel@tonic-gate i_ddi_devi_class(dev_info_t *dip) 91107c478bd9Sstevel@tonic-gate { 91117c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_device_class); 91127c478bd9Sstevel@tonic-gate } 91137c478bd9Sstevel@tonic-gate 91147c478bd9Sstevel@tonic-gate int 91157c478bd9Sstevel@tonic-gate i_ddi_set_devi_class(dev_info_t *dip, char *devi_class, int flag) 91167c478bd9Sstevel@tonic-gate { 91177c478bd9Sstevel@tonic-gate struct dev_info *devi = DEVI(dip); 91187c478bd9Sstevel@tonic-gate 91197c478bd9Sstevel@tonic-gate mutex_enter(&devi->devi_lock); 91207c478bd9Sstevel@tonic-gate 91217c478bd9Sstevel@tonic-gate if (devi->devi_device_class) 91227c478bd9Sstevel@tonic-gate kmem_free(devi->devi_device_class, 91237c478bd9Sstevel@tonic-gate strlen(devi->devi_device_class) + 1); 91247c478bd9Sstevel@tonic-gate 91257c478bd9Sstevel@tonic-gate if ((devi->devi_device_class = i_ddi_strdup(devi_class, flag)) 91267c478bd9Sstevel@tonic-gate != NULL) { 91277c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 91287c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 91297c478bd9Sstevel@tonic-gate } 91307c478bd9Sstevel@tonic-gate 91317c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 91327c478bd9Sstevel@tonic-gate 91337c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 91347c478bd9Sstevel@tonic-gate } 91357c478bd9Sstevel@tonic-gate 91367c478bd9Sstevel@tonic-gate 91377c478bd9Sstevel@tonic-gate /* 91387c478bd9Sstevel@tonic-gate * Task Queues DDI interfaces. 91397c478bd9Sstevel@tonic-gate */ 91407c478bd9Sstevel@tonic-gate 91417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 91427c478bd9Sstevel@tonic-gate ddi_taskq_t * 91437c478bd9Sstevel@tonic-gate ddi_taskq_create(dev_info_t *dip, const char *name, int nthreads, 91447c478bd9Sstevel@tonic-gate pri_t pri, uint_t cflags) 91457c478bd9Sstevel@tonic-gate { 91467c478bd9Sstevel@tonic-gate char full_name[TASKQ_NAMELEN]; 91477c478bd9Sstevel@tonic-gate const char *tq_name; 91487c478bd9Sstevel@tonic-gate int nodeid = 0; 91497c478bd9Sstevel@tonic-gate 91507c478bd9Sstevel@tonic-gate if (dip == NULL) 91517c478bd9Sstevel@tonic-gate tq_name = name; 91527c478bd9Sstevel@tonic-gate else { 91537c478bd9Sstevel@tonic-gate nodeid = ddi_get_instance(dip); 91547c478bd9Sstevel@tonic-gate 91557c478bd9Sstevel@tonic-gate if (name == NULL) 91567c478bd9Sstevel@tonic-gate name = "tq"; 91577c478bd9Sstevel@tonic-gate 91587c478bd9Sstevel@tonic-gate (void) snprintf(full_name, sizeof (full_name), "%s_%s", 91597c478bd9Sstevel@tonic-gate ddi_driver_name(dip), name); 91607c478bd9Sstevel@tonic-gate 91617c478bd9Sstevel@tonic-gate tq_name = full_name; 91627c478bd9Sstevel@tonic-gate } 91637c478bd9Sstevel@tonic-gate 91647c478bd9Sstevel@tonic-gate return ((ddi_taskq_t *)taskq_create_instance(tq_name, nodeid, nthreads, 9165184cd04cScth pri == TASKQ_DEFAULTPRI ? minclsyspri : pri, 9166184cd04cScth nthreads, INT_MAX, TASKQ_PREPOPULATE)); 91677c478bd9Sstevel@tonic-gate } 91687c478bd9Sstevel@tonic-gate 91697c478bd9Sstevel@tonic-gate void 91707c478bd9Sstevel@tonic-gate ddi_taskq_destroy(ddi_taskq_t *tq) 91717c478bd9Sstevel@tonic-gate { 91727c478bd9Sstevel@tonic-gate taskq_destroy((taskq_t *)tq); 91737c478bd9Sstevel@tonic-gate } 91747c478bd9Sstevel@tonic-gate 91757c478bd9Sstevel@tonic-gate int 91767c478bd9Sstevel@tonic-gate ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 91777c478bd9Sstevel@tonic-gate void *arg, uint_t dflags) 91787c478bd9Sstevel@tonic-gate { 91797c478bd9Sstevel@tonic-gate taskqid_t id = taskq_dispatch((taskq_t *)tq, func, arg, 91807c478bd9Sstevel@tonic-gate dflags == DDI_SLEEP ? TQ_SLEEP : TQ_NOSLEEP); 91817c478bd9Sstevel@tonic-gate 91827c478bd9Sstevel@tonic-gate return (id != 0 ? DDI_SUCCESS : DDI_FAILURE); 91837c478bd9Sstevel@tonic-gate } 91847c478bd9Sstevel@tonic-gate 91857c478bd9Sstevel@tonic-gate void 91867c478bd9Sstevel@tonic-gate ddi_taskq_wait(ddi_taskq_t *tq) 91877c478bd9Sstevel@tonic-gate { 91887c478bd9Sstevel@tonic-gate taskq_wait((taskq_t *)tq); 91897c478bd9Sstevel@tonic-gate } 91907c478bd9Sstevel@tonic-gate 91917c478bd9Sstevel@tonic-gate void 91927c478bd9Sstevel@tonic-gate ddi_taskq_suspend(ddi_taskq_t *tq) 91937c478bd9Sstevel@tonic-gate { 91947c478bd9Sstevel@tonic-gate taskq_suspend((taskq_t *)tq); 91957c478bd9Sstevel@tonic-gate } 91967c478bd9Sstevel@tonic-gate 91977c478bd9Sstevel@tonic-gate boolean_t 91987c478bd9Sstevel@tonic-gate ddi_taskq_suspended(ddi_taskq_t *tq) 91997c478bd9Sstevel@tonic-gate { 92007c478bd9Sstevel@tonic-gate return (taskq_suspended((taskq_t *)tq)); 92017c478bd9Sstevel@tonic-gate } 92027c478bd9Sstevel@tonic-gate 92037c478bd9Sstevel@tonic-gate void 92047c478bd9Sstevel@tonic-gate ddi_taskq_resume(ddi_taskq_t *tq) 92057c478bd9Sstevel@tonic-gate { 92067c478bd9Sstevel@tonic-gate taskq_resume((taskq_t *)tq); 92077c478bd9Sstevel@tonic-gate } 92087c478bd9Sstevel@tonic-gate 92097c478bd9Sstevel@tonic-gate int 92107c478bd9Sstevel@tonic-gate ddi_parse( 92117c478bd9Sstevel@tonic-gate const char *ifname, 92127c478bd9Sstevel@tonic-gate char *alnum, 92137c478bd9Sstevel@tonic-gate uint_t *nump) 92147c478bd9Sstevel@tonic-gate { 92157c478bd9Sstevel@tonic-gate const char *p; 92167c478bd9Sstevel@tonic-gate int l; 92177c478bd9Sstevel@tonic-gate ulong_t num; 92187c478bd9Sstevel@tonic-gate boolean_t nonum = B_TRUE; 92197c478bd9Sstevel@tonic-gate char c; 92207c478bd9Sstevel@tonic-gate 92217c478bd9Sstevel@tonic-gate l = strlen(ifname); 92227c478bd9Sstevel@tonic-gate for (p = ifname + l; p != ifname; l--) { 92237c478bd9Sstevel@tonic-gate c = *--p; 92247c478bd9Sstevel@tonic-gate if (!isdigit(c)) { 92257c478bd9Sstevel@tonic-gate (void) strlcpy(alnum, ifname, l + 1); 92267c478bd9Sstevel@tonic-gate if (ddi_strtoul(p + 1, NULL, 10, &num) != 0) 92277c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 92287c478bd9Sstevel@tonic-gate break; 92297c478bd9Sstevel@tonic-gate } 92307c478bd9Sstevel@tonic-gate nonum = B_FALSE; 92317c478bd9Sstevel@tonic-gate } 92327c478bd9Sstevel@tonic-gate if (l == 0 || nonum) 92337c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 92347c478bd9Sstevel@tonic-gate 92357c478bd9Sstevel@tonic-gate *nump = num; 92367c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 92377c478bd9Sstevel@tonic-gate } 923819397407SSherry Moore 923919397407SSherry Moore /* 924019397407SSherry Moore * Default initialization function for drivers that don't need to quiesce. 924119397407SSherry Moore */ 924219397407SSherry Moore /* ARGSUSED */ 924319397407SSherry Moore int 924419397407SSherry Moore ddi_quiesce_not_needed(dev_info_t *dip) 924519397407SSherry Moore { 924619397407SSherry Moore return (DDI_SUCCESS); 924719397407SSherry Moore } 924819397407SSherry Moore 924919397407SSherry Moore /* 925019397407SSherry Moore * Initialization function for drivers that should implement quiesce() 925119397407SSherry Moore * but haven't yet. 925219397407SSherry Moore */ 925319397407SSherry Moore /* ARGSUSED */ 925419397407SSherry Moore int 925519397407SSherry Moore ddi_quiesce_not_supported(dev_info_t *dip) 925619397407SSherry Moore { 925719397407SSherry Moore return (DDI_FAILURE); 925819397407SSherry Moore } 92595febcb4aSScott Carter, SD IOSW 92607f0b8309SEdward Pilatowicz char * 92617f0b8309SEdward Pilatowicz ddi_strdup(const char *str, int flag) 92627f0b8309SEdward Pilatowicz { 92637f0b8309SEdward Pilatowicz int n; 92647f0b8309SEdward Pilatowicz char *ptr; 92657f0b8309SEdward Pilatowicz 92667f0b8309SEdward Pilatowicz ASSERT(str != NULL); 92677f0b8309SEdward Pilatowicz ASSERT((flag == KM_SLEEP) || (flag == KM_NOSLEEP)); 92687f0b8309SEdward Pilatowicz 92697f0b8309SEdward Pilatowicz n = strlen(str); 92707f0b8309SEdward Pilatowicz if ((ptr = kmem_alloc(n + 1, flag)) == NULL) 92717f0b8309SEdward Pilatowicz return (NULL); 92727f0b8309SEdward Pilatowicz bcopy(str, ptr, n + 1); 92737f0b8309SEdward Pilatowicz return (ptr); 92747f0b8309SEdward Pilatowicz } 92757f0b8309SEdward Pilatowicz 92767f0b8309SEdward Pilatowicz char * 92777f0b8309SEdward Pilatowicz strdup(const char *str) 92787f0b8309SEdward Pilatowicz { 92797f0b8309SEdward Pilatowicz return (ddi_strdup(str, KM_SLEEP)); 92807f0b8309SEdward Pilatowicz } 92817f0b8309SEdward Pilatowicz 92827f0b8309SEdward Pilatowicz void 92837f0b8309SEdward Pilatowicz strfree(char *str) 92847f0b8309SEdward Pilatowicz { 92857f0b8309SEdward Pilatowicz ASSERT(str != NULL); 92867f0b8309SEdward Pilatowicz kmem_free(str, strlen(str) + 1); 92877f0b8309SEdward Pilatowicz } 92887f0b8309SEdward Pilatowicz 92895febcb4aSScott Carter, SD IOSW /* 92905febcb4aSScott Carter, SD IOSW * Generic DDI callback interfaces. 92915febcb4aSScott Carter, SD IOSW */ 92925febcb4aSScott Carter, SD IOSW 92935febcb4aSScott Carter, SD IOSW int 92945febcb4aSScott Carter, SD IOSW ddi_cb_register(dev_info_t *dip, ddi_cb_flags_t flags, ddi_cb_func_t cbfunc, 92955febcb4aSScott Carter, SD IOSW void *arg1, void *arg2, ddi_cb_handle_t *ret_hdlp) 92965febcb4aSScott Carter, SD IOSW { 92975febcb4aSScott Carter, SD IOSW ddi_cb_t *cbp; 92985febcb4aSScott Carter, SD IOSW 92995febcb4aSScott Carter, SD IOSW ASSERT(dip != NULL); 93005febcb4aSScott Carter, SD IOSW ASSERT(DDI_CB_FLAG_VALID(flags)); 93015febcb4aSScott Carter, SD IOSW ASSERT(cbfunc != NULL); 93025febcb4aSScott Carter, SD IOSW ASSERT(ret_hdlp != NULL); 93035febcb4aSScott Carter, SD IOSW 93045febcb4aSScott Carter, SD IOSW /* Sanity check the context */ 93055febcb4aSScott Carter, SD IOSW ASSERT(!servicing_interrupt()); 93065febcb4aSScott Carter, SD IOSW if (servicing_interrupt()) 93075febcb4aSScott Carter, SD IOSW return (DDI_FAILURE); 93085febcb4aSScott Carter, SD IOSW 93095febcb4aSScott Carter, SD IOSW /* Validate parameters */ 93105febcb4aSScott Carter, SD IOSW if ((dip == NULL) || !DDI_CB_FLAG_VALID(flags) || 93115febcb4aSScott Carter, SD IOSW (cbfunc == NULL) || (ret_hdlp == NULL)) 93125febcb4aSScott Carter, SD IOSW return (DDI_EINVAL); 93135febcb4aSScott Carter, SD IOSW 93145febcb4aSScott Carter, SD IOSW /* Check for previous registration */ 93155febcb4aSScott Carter, SD IOSW if (DEVI(dip)->devi_cb_p != NULL) 93165febcb4aSScott Carter, SD IOSW return (DDI_EALREADY); 93175febcb4aSScott Carter, SD IOSW 93185febcb4aSScott Carter, SD IOSW /* Allocate and initialize callback */ 93195febcb4aSScott Carter, SD IOSW cbp = kmem_zalloc(sizeof (ddi_cb_t), KM_SLEEP); 93205febcb4aSScott Carter, SD IOSW cbp->cb_dip = dip; 93215febcb4aSScott Carter, SD IOSW cbp->cb_func = cbfunc; 93225febcb4aSScott Carter, SD IOSW cbp->cb_arg1 = arg1; 93235febcb4aSScott Carter, SD IOSW cbp->cb_arg2 = arg2; 93245febcb4aSScott Carter, SD IOSW cbp->cb_flags = flags; 93255febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_cb_p = cbp; 93265febcb4aSScott Carter, SD IOSW 93275febcb4aSScott Carter, SD IOSW /* If adding an IRM callback, notify IRM */ 93285febcb4aSScott Carter, SD IOSW if (flags & DDI_CB_FLAG_INTR) 93295febcb4aSScott Carter, SD IOSW i_ddi_irm_set_cb(dip, B_TRUE); 93305febcb4aSScott Carter, SD IOSW 93315febcb4aSScott Carter, SD IOSW *ret_hdlp = (ddi_cb_handle_t)&(DEVI(dip)->devi_cb_p); 93325febcb4aSScott Carter, SD IOSW return (DDI_SUCCESS); 93335febcb4aSScott Carter, SD IOSW } 93345febcb4aSScott Carter, SD IOSW 93355febcb4aSScott Carter, SD IOSW int 93365febcb4aSScott Carter, SD IOSW ddi_cb_unregister(ddi_cb_handle_t hdl) 93375febcb4aSScott Carter, SD IOSW { 93385febcb4aSScott Carter, SD IOSW ddi_cb_t *cbp; 93395febcb4aSScott Carter, SD IOSW dev_info_t *dip; 93405febcb4aSScott Carter, SD IOSW 93415febcb4aSScott Carter, SD IOSW ASSERT(hdl != NULL); 93425febcb4aSScott Carter, SD IOSW 93435febcb4aSScott Carter, SD IOSW /* Sanity check the context */ 93445febcb4aSScott Carter, SD IOSW ASSERT(!servicing_interrupt()); 93455febcb4aSScott Carter, SD IOSW if (servicing_interrupt()) 93465febcb4aSScott Carter, SD IOSW return (DDI_FAILURE); 93475febcb4aSScott Carter, SD IOSW 93485febcb4aSScott Carter, SD IOSW /* Validate parameters */ 93495febcb4aSScott Carter, SD IOSW if ((hdl == NULL) || ((cbp = *(ddi_cb_t **)hdl) == NULL) || 93505febcb4aSScott Carter, SD IOSW ((dip = cbp->cb_dip) == NULL)) 93515febcb4aSScott Carter, SD IOSW return (DDI_EINVAL); 93525febcb4aSScott Carter, SD IOSW 93535febcb4aSScott Carter, SD IOSW /* If removing an IRM callback, notify IRM */ 93545febcb4aSScott Carter, SD IOSW if (cbp->cb_flags & DDI_CB_FLAG_INTR) 93555febcb4aSScott Carter, SD IOSW i_ddi_irm_set_cb(dip, B_FALSE); 93565febcb4aSScott Carter, SD IOSW 93575febcb4aSScott Carter, SD IOSW /* Destroy the callback */ 93585febcb4aSScott Carter, SD IOSW kmem_free(cbp, sizeof (ddi_cb_t)); 93595febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_cb_p = NULL; 93605febcb4aSScott Carter, SD IOSW 93615febcb4aSScott Carter, SD IOSW return (DDI_SUCCESS); 93625febcb4aSScott Carter, SD IOSW } 9363