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> 85*5679c89fSjv #include <sys/zone.h> 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate extern pri_t minclsyspri; 887c478bd9Sstevel@tonic-gate 89c6939658Ssl extern rctl_hndl_t rc_project_locked_mem; 90c6939658Ssl extern rctl_hndl_t rc_zone_locked_mem; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate #ifdef DEBUG 937c478bd9Sstevel@tonic-gate static int sunddi_debug = 0; 947c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate /* ddi_umem_unlock miscellaneous */ 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate static void i_ddi_umem_unlock_thread_start(void); 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate static kmutex_t ddi_umem_unlock_mutex; /* unlock list mutex */ 1017c478bd9Sstevel@tonic-gate static kcondvar_t ddi_umem_unlock_cv; /* unlock list block/unblock */ 1027c478bd9Sstevel@tonic-gate static kthread_t *ddi_umem_unlock_thread; 1037c478bd9Sstevel@tonic-gate /* 1047c478bd9Sstevel@tonic-gate * The ddi_umem_unlock FIFO list. NULL head pointer indicates empty list. 1057c478bd9Sstevel@tonic-gate */ 1067c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_head = NULL; 1077c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_tail = NULL; 1087c478bd9Sstevel@tonic-gate 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 8877c478bd9Sstevel@tonic-gate dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_ctl; 8887c478bd9Sstevel@tonic-gate fp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_ctl; 8897c478bd9Sstevel@tonic-gate return ((*fp) (dip, rdip, handle, request, offp, lenp, objp, flags)); 8907c478bd9Sstevel@tonic-gate } 8917c478bd9Sstevel@tonic-gate #endif 8927c478bd9Sstevel@tonic-gate 8937c478bd9Sstevel@tonic-gate /* 8947c478bd9Sstevel@tonic-gate * For all DMA control functions, call the DMA control 8957c478bd9Sstevel@tonic-gate * routine and return status. 8967c478bd9Sstevel@tonic-gate * 8977c478bd9Sstevel@tonic-gate * Just plain assume that the parent is to be called. 8987c478bd9Sstevel@tonic-gate * If a nexus driver or a thread outside the framework 8997c478bd9Sstevel@tonic-gate * of a nexus driver or a leaf driver calls these functions, 9007c478bd9Sstevel@tonic-gate * it is up to them to deal with the fact that the parent's 9017c478bd9Sstevel@tonic-gate * bus_dma_ctl function will be the first one called. 9027c478bd9Sstevel@tonic-gate */ 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate #define HD ((ddi_dma_impl_t *)h)->dmai_rdip 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate int 9077c478bd9Sstevel@tonic-gate ddi_dma_kvaddrp(ddi_dma_handle_t h, off_t off, size_t len, caddr_t *kp) 9087c478bd9Sstevel@tonic-gate { 9097c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_KVADDR, &off, &len, kp, 0)); 9107c478bd9Sstevel@tonic-gate } 9117c478bd9Sstevel@tonic-gate 9127c478bd9Sstevel@tonic-gate int 9137c478bd9Sstevel@tonic-gate ddi_dma_htoc(ddi_dma_handle_t h, off_t o, ddi_dma_cookie_t *c) 9147c478bd9Sstevel@tonic-gate { 9157c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_HTOC, &o, 0, (caddr_t *)c, 0)); 9167c478bd9Sstevel@tonic-gate } 9177c478bd9Sstevel@tonic-gate 9187c478bd9Sstevel@tonic-gate int 9197c478bd9Sstevel@tonic-gate ddi_dma_coff(ddi_dma_handle_t h, ddi_dma_cookie_t *c, off_t *o) 9207c478bd9Sstevel@tonic-gate { 9217c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_COFF, 9227c478bd9Sstevel@tonic-gate (off_t *)c, 0, (caddr_t *)o, 0)); 9237c478bd9Sstevel@tonic-gate } 9247c478bd9Sstevel@tonic-gate 9257c478bd9Sstevel@tonic-gate int 9267c478bd9Sstevel@tonic-gate ddi_dma_movwin(ddi_dma_handle_t h, off_t *o, size_t *l, ddi_dma_cookie_t *c) 9277c478bd9Sstevel@tonic-gate { 9287c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_MOVWIN, o, 9297c478bd9Sstevel@tonic-gate l, (caddr_t *)c, 0)); 9307c478bd9Sstevel@tonic-gate } 9317c478bd9Sstevel@tonic-gate 9327c478bd9Sstevel@tonic-gate int 9337c478bd9Sstevel@tonic-gate ddi_dma_curwin(ddi_dma_handle_t h, off_t *o, size_t *l) 9347c478bd9Sstevel@tonic-gate { 9357c478bd9Sstevel@tonic-gate if ((((ddi_dma_impl_t *)h)->dmai_rflags & DDI_DMA_PARTIAL) == 0) 9367c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 9377c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_REPWIN, o, l, 0, 0)); 9387c478bd9Sstevel@tonic-gate } 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate int 9417c478bd9Sstevel@tonic-gate ddi_dma_nextwin(ddi_dma_handle_t h, ddi_dma_win_t win, 9427c478bd9Sstevel@tonic-gate ddi_dma_win_t *nwin) 9437c478bd9Sstevel@tonic-gate { 9447c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTWIN, (off_t *)&win, 0, 9457c478bd9Sstevel@tonic-gate (caddr_t *)nwin, 0)); 9467c478bd9Sstevel@tonic-gate } 9477c478bd9Sstevel@tonic-gate 9487c478bd9Sstevel@tonic-gate int 9497c478bd9Sstevel@tonic-gate ddi_dma_nextseg(ddi_dma_win_t win, ddi_dma_seg_t seg, ddi_dma_seg_t *nseg) 9507c478bd9Sstevel@tonic-gate { 9517c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)win; 9527c478bd9Sstevel@tonic-gate 9537c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTSEG, (off_t *)&win, 9547c478bd9Sstevel@tonic-gate (size_t *)&seg, (caddr_t *)nseg, 0)); 9557c478bd9Sstevel@tonic-gate } 9567c478bd9Sstevel@tonic-gate 9577c478bd9Sstevel@tonic-gate #if (defined(__i386) && !defined(__amd64)) || defined(__sparc) 9587c478bd9Sstevel@tonic-gate /* 9597c478bd9Sstevel@tonic-gate * This routine is Obsolete and should be removed from ALL architectures 9607c478bd9Sstevel@tonic-gate * in a future release of Solaris. 9617c478bd9Sstevel@tonic-gate * 9627c478bd9Sstevel@tonic-gate * It is deliberately NOT ported to amd64; please fix the code that 9637c478bd9Sstevel@tonic-gate * depends on this routine to use ddi_dma_nextcookie(9F). 96412f080e7Smrj * 96512f080e7Smrj * NOTE: even though we fixed the pointer through a 32-bit param issue (the fix 96612f080e7Smrj * is a side effect to some other cleanup), we're still not going to support 96712f080e7Smrj * this interface on x64. 9687c478bd9Sstevel@tonic-gate */ 9697c478bd9Sstevel@tonic-gate int 9707c478bd9Sstevel@tonic-gate ddi_dma_segtocookie(ddi_dma_seg_t seg, off_t *o, off_t *l, 9717c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cookiep) 9727c478bd9Sstevel@tonic-gate { 9737c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)seg; 9747c478bd9Sstevel@tonic-gate 9757c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SEGTOC, o, (size_t *)l, 9767c478bd9Sstevel@tonic-gate (caddr_t *)cookiep, 0)); 9777c478bd9Sstevel@tonic-gate } 9787c478bd9Sstevel@tonic-gate #endif /* (__i386 && !__amd64) || __sparc */ 9797c478bd9Sstevel@tonic-gate 9807c478bd9Sstevel@tonic-gate #if !defined(__sparc) 9817c478bd9Sstevel@tonic-gate 9827c478bd9Sstevel@tonic-gate /* 9837c478bd9Sstevel@tonic-gate * The SPARC versions of these routines are done in assembler to 9847c478bd9Sstevel@tonic-gate * save register windows, so they're in sparc_subr.s. 9857c478bd9Sstevel@tonic-gate */ 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate int 9887c478bd9Sstevel@tonic-gate ddi_dma_map(dev_info_t *dip, dev_info_t *rdip, 9897c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 9907c478bd9Sstevel@tonic-gate { 9917c478bd9Sstevel@tonic-gate dev_info_t *hdip; 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 9957c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_map; 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_map; 9987c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, dmareqp, handlep)); 9997c478bd9Sstevel@tonic-gate } 10007c478bd9Sstevel@tonic-gate 10017c478bd9Sstevel@tonic-gate int 10027c478bd9Sstevel@tonic-gate ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 10037c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 10047c478bd9Sstevel@tonic-gate { 10057c478bd9Sstevel@tonic-gate dev_info_t *hdip; 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 10097c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_allochdl; 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_allochdl; 10127c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, attr, waitfp, arg, handlep)); 10137c478bd9Sstevel@tonic-gate } 10147c478bd9Sstevel@tonic-gate 10157c478bd9Sstevel@tonic-gate int 10167c478bd9Sstevel@tonic-gate ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handlep) 10177c478bd9Sstevel@tonic-gate { 10187c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10197c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_allochdl; 10227c478bd9Sstevel@tonic-gate 10237c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_freehdl; 10247c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handlep)); 10257c478bd9Sstevel@tonic-gate } 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate int 10287c478bd9Sstevel@tonic-gate ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 10297c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 10307c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 10317c478bd9Sstevel@tonic-gate { 10327c478bd9Sstevel@tonic-gate dev_info_t *hdip; 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 10367c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 10377c478bd9Sstevel@tonic-gate 10387c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_bindhdl; 10397c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, dmareq, cp, ccountp)); 10407c478bd9Sstevel@tonic-gate } 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate int 10437c478bd9Sstevel@tonic-gate ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 10447c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 10457c478bd9Sstevel@tonic-gate { 10467c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10477c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10487c478bd9Sstevel@tonic-gate 10497c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 10507c478bd9Sstevel@tonic-gate 10517c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_unbindhdl; 10527c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle)); 10537c478bd9Sstevel@tonic-gate } 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate int 10577c478bd9Sstevel@tonic-gate ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 10587c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 10597c478bd9Sstevel@tonic-gate uint_t cache_flags) 10607c478bd9Sstevel@tonic-gate { 10617c478bd9Sstevel@tonic-gate dev_info_t *hdip; 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 10657c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 10667c478bd9Sstevel@tonic-gate 10677c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_flush; 10687c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, off, len, cache_flags)); 10697c478bd9Sstevel@tonic-gate } 10707c478bd9Sstevel@tonic-gate 10717c478bd9Sstevel@tonic-gate int 10727c478bd9Sstevel@tonic-gate ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 10737c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 10747c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 10757c478bd9Sstevel@tonic-gate { 10767c478bd9Sstevel@tonic-gate dev_info_t *hdip; 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 10807c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_win; 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_win; 10837c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, win, offp, lenp, 10847c478bd9Sstevel@tonic-gate cookiep, ccountp)); 10857c478bd9Sstevel@tonic-gate } 10867c478bd9Sstevel@tonic-gate 10877c478bd9Sstevel@tonic-gate int 10887c478bd9Sstevel@tonic-gate ddi_dma_sync(ddi_dma_handle_t h, off_t o, size_t l, uint_t whom) 10897c478bd9Sstevel@tonic-gate { 10907c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 10917c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 10927c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, off_t, 1093184cd04cScth size_t, uint_t); 10947c478bd9Sstevel@tonic-gate 10957c478bd9Sstevel@tonic-gate /* 10967c478bd9Sstevel@tonic-gate * the DMA nexus driver will set DMP_NOSYNC if the 10977c478bd9Sstevel@tonic-gate * platform does not require any sync operation. For 10987c478bd9Sstevel@tonic-gate * example if the memory is uncached or consistent 10997c478bd9Sstevel@tonic-gate * and without any I/O write buffers involved. 11007c478bd9Sstevel@tonic-gate */ 11017c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DMP_NOSYNC) == DMP_NOSYNC) 11027c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 11037c478bd9Sstevel@tonic-gate 11047c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 11057c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 11067c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_flush; 11077c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, h, o, l, whom)); 11087c478bd9Sstevel@tonic-gate } 11097c478bd9Sstevel@tonic-gate 11107c478bd9Sstevel@tonic-gate int 11117c478bd9Sstevel@tonic-gate ddi_dma_unbind_handle(ddi_dma_handle_t h) 11127c478bd9Sstevel@tonic-gate { 11137c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 11147c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 11157c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 11187c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 11197c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_unbindfunc; 11207c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, h)); 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate #endif /* !__sparc */ 11247c478bd9Sstevel@tonic-gate 11257c478bd9Sstevel@tonic-gate int 11267c478bd9Sstevel@tonic-gate ddi_dma_free(ddi_dma_handle_t h) 11277c478bd9Sstevel@tonic-gate { 11287c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_FREE, 0, 0, 0, 0)); 11297c478bd9Sstevel@tonic-gate } 11307c478bd9Sstevel@tonic-gate 11317c478bd9Sstevel@tonic-gate int 11327c478bd9Sstevel@tonic-gate ddi_iopb_alloc(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t len, caddr_t *iopbp) 11337c478bd9Sstevel@tonic-gate { 11347c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11357c478bd9Sstevel@tonic-gate size_t size = len; 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate if (!limp) { 11387c478bd9Sstevel@tonic-gate defalt = standard_limits; 11397c478bd9Sstevel@tonic-gate limp = &defalt; 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limp, size, 0, 0, 0, 11427c478bd9Sstevel@tonic-gate iopbp, NULL, NULL)); 11437c478bd9Sstevel@tonic-gate } 11447c478bd9Sstevel@tonic-gate 11457c478bd9Sstevel@tonic-gate void 11467c478bd9Sstevel@tonic-gate ddi_iopb_free(caddr_t iopb) 11477c478bd9Sstevel@tonic-gate { 11487b93957cSeota i_ddi_mem_free(iopb, NULL); 11497c478bd9Sstevel@tonic-gate } 11507c478bd9Sstevel@tonic-gate 11517c478bd9Sstevel@tonic-gate int 11527c478bd9Sstevel@tonic-gate ddi_mem_alloc(dev_info_t *dip, ddi_dma_lim_t *limits, uint_t length, 11537c478bd9Sstevel@tonic-gate uint_t flags, caddr_t *kaddrp, uint_t *real_length) 11547c478bd9Sstevel@tonic-gate { 11557c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11567c478bd9Sstevel@tonic-gate size_t size = length; 11577c478bd9Sstevel@tonic-gate 11587c478bd9Sstevel@tonic-gate if (!limits) { 11597c478bd9Sstevel@tonic-gate defalt = standard_limits; 11607c478bd9Sstevel@tonic-gate limits = &defalt; 11617c478bd9Sstevel@tonic-gate } 11627c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limits, size, flags & 0x1, 11637c478bd9Sstevel@tonic-gate 1, 0, kaddrp, real_length, NULL)); 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate void 11677c478bd9Sstevel@tonic-gate ddi_mem_free(caddr_t kaddr) 11687c478bd9Sstevel@tonic-gate { 11697b93957cSeota i_ddi_mem_free(kaddr, NULL); 11707c478bd9Sstevel@tonic-gate } 11717c478bd9Sstevel@tonic-gate 11727c478bd9Sstevel@tonic-gate /* 11737c478bd9Sstevel@tonic-gate * DMA attributes, alignment, burst sizes, and transfer minimums 11747c478bd9Sstevel@tonic-gate */ 11757c478bd9Sstevel@tonic-gate int 11767c478bd9Sstevel@tonic-gate ddi_dma_get_attr(ddi_dma_handle_t handle, ddi_dma_attr_t *attrp) 11777c478bd9Sstevel@tonic-gate { 11787c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate if (attrp == NULL) 11817c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 11827c478bd9Sstevel@tonic-gate *attrp = dimp->dmai_attr; 11837c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 11847c478bd9Sstevel@tonic-gate } 11857c478bd9Sstevel@tonic-gate 11867c478bd9Sstevel@tonic-gate int 11877c478bd9Sstevel@tonic-gate ddi_dma_burstsizes(ddi_dma_handle_t handle) 11887c478bd9Sstevel@tonic-gate { 11897c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate if (!dimp) 11927c478bd9Sstevel@tonic-gate return (0); 11937c478bd9Sstevel@tonic-gate else 11947c478bd9Sstevel@tonic-gate return (dimp->dmai_burstsizes); 11957c478bd9Sstevel@tonic-gate } 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate int 11987c478bd9Sstevel@tonic-gate ddi_dma_devalign(ddi_dma_handle_t handle, uint_t *alignment, uint_t *mineffect) 11997c478bd9Sstevel@tonic-gate { 12007c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 12017c478bd9Sstevel@tonic-gate 12027c478bd9Sstevel@tonic-gate if (!dimp || !alignment || !mineffect) 12037c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 12047c478bd9Sstevel@tonic-gate if (!(dimp->dmai_rflags & DDI_DMA_SBUS_64BIT)) { 12057c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12067c478bd9Sstevel@tonic-gate } else { 12077c478bd9Sstevel@tonic-gate if (dimp->dmai_burstsizes & 0xff0000) { 12087c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes >> 16); 12097c478bd9Sstevel@tonic-gate } else { 12107c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate } 12137c478bd9Sstevel@tonic-gate *mineffect = dimp->dmai_minxfer; 12147c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 12157c478bd9Sstevel@tonic-gate } 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate int 12187c478bd9Sstevel@tonic-gate ddi_iomin(dev_info_t *a, int i, int stream) 12197c478bd9Sstevel@tonic-gate { 12207c478bd9Sstevel@tonic-gate int r; 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate /* 12237c478bd9Sstevel@tonic-gate * Make sure that the initial value is sane 12247c478bd9Sstevel@tonic-gate */ 12257c478bd9Sstevel@tonic-gate if (i & (i - 1)) 12267c478bd9Sstevel@tonic-gate return (0); 12277c478bd9Sstevel@tonic-gate if (i == 0) 12287c478bd9Sstevel@tonic-gate i = (stream) ? 4 : 1; 12297c478bd9Sstevel@tonic-gate 12307c478bd9Sstevel@tonic-gate r = ddi_ctlops(a, a, 12317c478bd9Sstevel@tonic-gate DDI_CTLOPS_IOMIN, (void *)(uintptr_t)stream, (void *)&i); 12327c478bd9Sstevel@tonic-gate if (r != DDI_SUCCESS || (i & (i - 1))) 12337c478bd9Sstevel@tonic-gate return (0); 12347c478bd9Sstevel@tonic-gate return (i); 12357c478bd9Sstevel@tonic-gate } 12367c478bd9Sstevel@tonic-gate 12377c478bd9Sstevel@tonic-gate /* 12387c478bd9Sstevel@tonic-gate * Given two DMA attribute structures, apply the attributes 12397c478bd9Sstevel@tonic-gate * of one to the other, following the rules of attributes 12407c478bd9Sstevel@tonic-gate * and the wishes of the caller. 12417c478bd9Sstevel@tonic-gate * 12427c478bd9Sstevel@tonic-gate * The rules of DMA attribute structures are that you cannot 12437c478bd9Sstevel@tonic-gate * make things *less* restrictive as you apply one set 12447c478bd9Sstevel@tonic-gate * of attributes to another. 12457c478bd9Sstevel@tonic-gate * 12467c478bd9Sstevel@tonic-gate */ 12477c478bd9Sstevel@tonic-gate void 12487c478bd9Sstevel@tonic-gate ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod) 12497c478bd9Sstevel@tonic-gate { 12507c478bd9Sstevel@tonic-gate attr->dma_attr_addr_lo = 12517c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_addr_lo, mod->dma_attr_addr_lo); 12527c478bd9Sstevel@tonic-gate attr->dma_attr_addr_hi = 12537c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_addr_hi, mod->dma_attr_addr_hi); 12547c478bd9Sstevel@tonic-gate attr->dma_attr_count_max = 12557c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_count_max, mod->dma_attr_count_max); 12567c478bd9Sstevel@tonic-gate attr->dma_attr_align = 12577c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_align, mod->dma_attr_align); 12587c478bd9Sstevel@tonic-gate attr->dma_attr_burstsizes = 12597c478bd9Sstevel@tonic-gate (uint_t)(attr->dma_attr_burstsizes & mod->dma_attr_burstsizes); 12607c478bd9Sstevel@tonic-gate attr->dma_attr_minxfer = 12617c478bd9Sstevel@tonic-gate maxbit(attr->dma_attr_minxfer, mod->dma_attr_minxfer); 12627c478bd9Sstevel@tonic-gate attr->dma_attr_maxxfer = 12637c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_maxxfer, mod->dma_attr_maxxfer); 12647c478bd9Sstevel@tonic-gate attr->dma_attr_seg = MIN(attr->dma_attr_seg, mod->dma_attr_seg); 12657c478bd9Sstevel@tonic-gate attr->dma_attr_sgllen = MIN((uint_t)attr->dma_attr_sgllen, 12667c478bd9Sstevel@tonic-gate (uint_t)mod->dma_attr_sgllen); 12677c478bd9Sstevel@tonic-gate attr->dma_attr_granular = 12687c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_granular, mod->dma_attr_granular); 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate /* 12727c478bd9Sstevel@tonic-gate * mmap/segmap interface: 12737c478bd9Sstevel@tonic-gate */ 12747c478bd9Sstevel@tonic-gate 12757c478bd9Sstevel@tonic-gate /* 12767c478bd9Sstevel@tonic-gate * ddi_segmap: setup the default segment driver. Calls the drivers 12777c478bd9Sstevel@tonic-gate * XXmmap routine to validate the range to be mapped. 12787c478bd9Sstevel@tonic-gate * Return ENXIO of the range is not valid. Create 12797c478bd9Sstevel@tonic-gate * a seg_dev segment that contains all of the 12807c478bd9Sstevel@tonic-gate * necessary information and will reference the 12817c478bd9Sstevel@tonic-gate * default segment driver routines. It returns zero 12827c478bd9Sstevel@tonic-gate * on success or non-zero on failure. 12837c478bd9Sstevel@tonic-gate */ 12847c478bd9Sstevel@tonic-gate int 12857c478bd9Sstevel@tonic-gate ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 12867c478bd9Sstevel@tonic-gate uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp) 12877c478bd9Sstevel@tonic-gate { 12887c478bd9Sstevel@tonic-gate extern int spec_segmap(dev_t, off_t, struct as *, caddr_t *, 12897c478bd9Sstevel@tonic-gate off_t, uint_t, uint_t, uint_t, struct cred *); 12907c478bd9Sstevel@tonic-gate 12917c478bd9Sstevel@tonic-gate return (spec_segmap(dev, offset, asp, addrp, len, 12927c478bd9Sstevel@tonic-gate prot, maxprot, flags, credp)); 12937c478bd9Sstevel@tonic-gate } 12947c478bd9Sstevel@tonic-gate 12957c478bd9Sstevel@tonic-gate /* 12967c478bd9Sstevel@tonic-gate * ddi_map_fault: Resolve mappings at fault time. Used by segment 12977c478bd9Sstevel@tonic-gate * drivers. Allows each successive parent to resolve 12987c478bd9Sstevel@tonic-gate * address translations and add its mappings to the 12997c478bd9Sstevel@tonic-gate * mapping list supplied in the page structure. It 13007c478bd9Sstevel@tonic-gate * returns zero on success or non-zero on failure. 13017c478bd9Sstevel@tonic-gate */ 13027c478bd9Sstevel@tonic-gate 13037c478bd9Sstevel@tonic-gate int 13047c478bd9Sstevel@tonic-gate ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, 13057c478bd9Sstevel@tonic-gate caddr_t addr, struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock) 13067c478bd9Sstevel@tonic-gate { 13077c478bd9Sstevel@tonic-gate return (i_ddi_map_fault(dip, dip, hat, seg, addr, dp, pfn, prot, lock)); 13087c478bd9Sstevel@tonic-gate } 13097c478bd9Sstevel@tonic-gate 13107c478bd9Sstevel@tonic-gate /* 13117c478bd9Sstevel@tonic-gate * ddi_device_mapping_check: Called from ddi_segmap_setup. 13127c478bd9Sstevel@tonic-gate * Invokes platform specific DDI to determine whether attributes specified 13137c478bd9Sstevel@tonic-gate * in attr(9s) are valid for the region of memory that will be made 13147c478bd9Sstevel@tonic-gate * available for direct access to user process via the mmap(2) system call. 13157c478bd9Sstevel@tonic-gate */ 13167c478bd9Sstevel@tonic-gate int 13177c478bd9Sstevel@tonic-gate ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 13187c478bd9Sstevel@tonic-gate uint_t rnumber, uint_t *hat_flags) 13197c478bd9Sstevel@tonic-gate { 13207c478bd9Sstevel@tonic-gate ddi_acc_handle_t handle; 13217c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 13227c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 13237c478bd9Sstevel@tonic-gate int result; 13247c478bd9Sstevel@tonic-gate dev_info_t *dip; 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate /* 13277c478bd9Sstevel@tonic-gate * we use e_ddi_hold_devi_by_dev to search for the devi. We 13287c478bd9Sstevel@tonic-gate * release it immediately since it should already be held by 13297c478bd9Sstevel@tonic-gate * a devfs vnode. 13307c478bd9Sstevel@tonic-gate */ 13317c478bd9Sstevel@tonic-gate if ((dip = 13327c478bd9Sstevel@tonic-gate e_ddi_hold_devi_by_dev(dev, E_DDI_HOLD_DEVI_NOATTACH)) == NULL) 13337c478bd9Sstevel@tonic-gate return (-1); 13347c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* for e_ddi_hold_devi_by_dev() */ 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate /* 13377c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data 13387c478bd9Sstevel@tonic-gate * access handle. 13397c478bd9Sstevel@tonic-gate */ 13407c478bd9Sstevel@tonic-gate handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 13417c478bd9Sstevel@tonic-gate if (handle == NULL) 13427c478bd9Sstevel@tonic-gate return (-1); 13437c478bd9Sstevel@tonic-gate 13447c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(handle); 13457c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 13467c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 13477c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 13487c478bd9Sstevel@tonic-gate hp->ah_offset = 0; 13497c478bd9Sstevel@tonic-gate hp->ah_len = 0; 13507c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 13517c478bd9Sstevel@tonic-gate 13527c478bd9Sstevel@tonic-gate /* 13537c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 13547c478bd9Sstevel@tonic-gate */ 13557c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_HANDLE; 13567c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 13577c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 13587c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 13597c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 13607c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 13617c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 13627c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, 0, 0, NULL); 13637c478bd9Sstevel@tonic-gate 13647c478bd9Sstevel@tonic-gate /* 13657c478bd9Sstevel@tonic-gate * Region must be mappable, pick up flags from the framework. 13667c478bd9Sstevel@tonic-gate */ 13677c478bd9Sstevel@tonic-gate *hat_flags = hp->ah_hat_flags; 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate impl_acc_hdl_free(handle); 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate /* 13727c478bd9Sstevel@tonic-gate * check for end result. 13737c478bd9Sstevel@tonic-gate */ 13747c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) 13757c478bd9Sstevel@tonic-gate return (-1); 13767c478bd9Sstevel@tonic-gate return (0); 13777c478bd9Sstevel@tonic-gate } 13787c478bd9Sstevel@tonic-gate 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 13817c478bd9Sstevel@tonic-gate * Property functions: See also, ddipropdefs.h. 13827c478bd9Sstevel@tonic-gate * 13837c478bd9Sstevel@tonic-gate * These functions are the framework for the property functions, 13847c478bd9Sstevel@tonic-gate * i.e. they support software defined properties. All implementation 13857c478bd9Sstevel@tonic-gate * specific property handling (i.e.: self-identifying devices and 13867c478bd9Sstevel@tonic-gate * PROM defined properties are handled in the implementation specific 13877c478bd9Sstevel@tonic-gate * functions (defined in ddi_implfuncs.h). 13887c478bd9Sstevel@tonic-gate */ 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate /* 13917c478bd9Sstevel@tonic-gate * nopropop: Shouldn't be called, right? 13927c478bd9Sstevel@tonic-gate */ 13937c478bd9Sstevel@tonic-gate int 13947c478bd9Sstevel@tonic-gate nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 13957c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 13967c478bd9Sstevel@tonic-gate { 13977c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, dip, prop_op, mod_flags, name, valuep, lengthp)) 13987c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 13997c478bd9Sstevel@tonic-gate } 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 14027c478bd9Sstevel@tonic-gate int ddi_prop_debug_flag = 0; 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate int 14057c478bd9Sstevel@tonic-gate ddi_prop_debug(int enable) 14067c478bd9Sstevel@tonic-gate { 14077c478bd9Sstevel@tonic-gate int prev = ddi_prop_debug_flag; 14087c478bd9Sstevel@tonic-gate 14097c478bd9Sstevel@tonic-gate if ((enable != 0) || (prev != 0)) 14107c478bd9Sstevel@tonic-gate printf("ddi_prop_debug: debugging %s\n", 14117c478bd9Sstevel@tonic-gate enable ? "enabled" : "disabled"); 14127c478bd9Sstevel@tonic-gate ddi_prop_debug_flag = enable; 14137c478bd9Sstevel@tonic-gate return (prev); 14147c478bd9Sstevel@tonic-gate } 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate /* 14197c478bd9Sstevel@tonic-gate * Search a property list for a match, if found return pointer 14207c478bd9Sstevel@tonic-gate * to matching prop struct, else return NULL. 14217c478bd9Sstevel@tonic-gate */ 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate ddi_prop_t * 14247c478bd9Sstevel@tonic-gate i_ddi_prop_search(dev_t dev, char *name, uint_t flags, ddi_prop_t **list_head) 14257c478bd9Sstevel@tonic-gate { 14267c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate /* 14297c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 14309ac2ddeaScth * Search order defined by this search function is first matching 14319ac2ddeaScth * property with input dev == DDI_DEV_T_ANY matching any dev or 14329ac2ddeaScth * dev == propp->prop_dev, name == propp->name, and the correct 14339ac2ddeaScth * data type as specified in the flags. If a DDI_DEV_T_NONE dev 14349ac2ddeaScth * value made it this far then it implies a DDI_DEV_T_ANY search. 14357c478bd9Sstevel@tonic-gate */ 14369ac2ddeaScth if (dev == DDI_DEV_T_NONE) 14379ac2ddeaScth dev = DDI_DEV_T_ANY; 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 14407c478bd9Sstevel@tonic-gate 14412cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 14427c478bd9Sstevel@tonic-gate continue; 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate if ((dev != DDI_DEV_T_ANY) && (propp->prop_dev != dev)) 14457c478bd9Sstevel@tonic-gate continue; 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 14487c478bd9Sstevel@tonic-gate continue; 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate return (propp); 14517c478bd9Sstevel@tonic-gate } 14527c478bd9Sstevel@tonic-gate 14537c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14547c478bd9Sstevel@tonic-gate } 14557c478bd9Sstevel@tonic-gate 14567c478bd9Sstevel@tonic-gate /* 14577c478bd9Sstevel@tonic-gate * Search for property within devnames structures 14587c478bd9Sstevel@tonic-gate */ 14597c478bd9Sstevel@tonic-gate ddi_prop_t * 14607c478bd9Sstevel@tonic-gate i_ddi_search_global_prop(dev_t dev, char *name, uint_t flags) 14617c478bd9Sstevel@tonic-gate { 14627c478bd9Sstevel@tonic-gate major_t major; 14637c478bd9Sstevel@tonic-gate struct devnames *dnp; 14647c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14657c478bd9Sstevel@tonic-gate 14667c478bd9Sstevel@tonic-gate /* 14677c478bd9Sstevel@tonic-gate * Valid dev_t value is needed to index into the 14687c478bd9Sstevel@tonic-gate * correct devnames entry, therefore a dev_t 14697c478bd9Sstevel@tonic-gate * value of DDI_DEV_T_ANY is not appropriate. 14707c478bd9Sstevel@tonic-gate */ 14717c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_ANY); 14727c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY) { 14737c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14747c478bd9Sstevel@tonic-gate } 14757c478bd9Sstevel@tonic-gate 14767c478bd9Sstevel@tonic-gate major = getmajor(dev); 14777c478bd9Sstevel@tonic-gate dnp = &(devnamesp[major]); 14787c478bd9Sstevel@tonic-gate 14797c478bd9Sstevel@tonic-gate if (dnp->dn_global_prop_ptr == NULL) 14807c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate for (propp = dnp->dn_global_prop_ptr->prop_list; 14857c478bd9Sstevel@tonic-gate propp != NULL; 14867c478bd9Sstevel@tonic-gate propp = (ddi_prop_t *)propp->prop_next) { 14877c478bd9Sstevel@tonic-gate 14882cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 14897c478bd9Sstevel@tonic-gate continue; 14907c478bd9Sstevel@tonic-gate 149165cf7c95SVikram Hegde if ((!(flags & DDI_PROP_ROOTNEX_GLOBAL)) && 149265cf7c95SVikram Hegde (!(flags & LDI_DEV_T_ANY)) && (propp->prop_dev != dev)) 14937c478bd9Sstevel@tonic-gate continue; 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 14967c478bd9Sstevel@tonic-gate continue; 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate /* Property found, return it */ 14997c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15007c478bd9Sstevel@tonic-gate return (propp); 15017c478bd9Sstevel@tonic-gate } 15027c478bd9Sstevel@tonic-gate 15037c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15047c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 15057c478bd9Sstevel@tonic-gate } 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate static char prop_no_mem_msg[] = "can't allocate memory for ddi property <%s>"; 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate /* 15107c478bd9Sstevel@tonic-gate * ddi_prop_search_global: 15117c478bd9Sstevel@tonic-gate * Search the global property list within devnames 15127c478bd9Sstevel@tonic-gate * for the named property. Return the encoded value. 15137c478bd9Sstevel@tonic-gate */ 15147c478bd9Sstevel@tonic-gate static int 15157c478bd9Sstevel@tonic-gate i_ddi_prop_search_global(dev_t dev, uint_t flags, char *name, 15167c478bd9Sstevel@tonic-gate void *valuep, uint_t *lengthp) 15177c478bd9Sstevel@tonic-gate { 15187c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15197c478bd9Sstevel@tonic-gate caddr_t buffer; 15207c478bd9Sstevel@tonic-gate 15217c478bd9Sstevel@tonic-gate propp = i_ddi_search_global_prop(dev, name, flags); 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate /* Property NOT found, bail */ 15247c478bd9Sstevel@tonic-gate if (propp == (ddi_prop_t *)0) 15257c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) 15287c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 15297c478bd9Sstevel@tonic-gate 15303b756dd3Scth if ((buffer = kmem_alloc(propp->prop_len, 15313b756dd3Scth (flags & DDI_PROP_CANSLEEP) ? KM_SLEEP : KM_NOSLEEP)) == NULL) { 15327c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 15337c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 15347c478bd9Sstevel@tonic-gate } 15357c478bd9Sstevel@tonic-gate 15367c478bd9Sstevel@tonic-gate /* 15377c478bd9Sstevel@tonic-gate * Return the encoded data 15387c478bd9Sstevel@tonic-gate */ 15397c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 15407c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 15417c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 15427c478bd9Sstevel@tonic-gate 15437c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 15447c478bd9Sstevel@tonic-gate } 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate /* 15477c478bd9Sstevel@tonic-gate * ddi_prop_search_common: Lookup and return the encoded value 15487c478bd9Sstevel@tonic-gate */ 15497c478bd9Sstevel@tonic-gate int 15507c478bd9Sstevel@tonic-gate ddi_prop_search_common(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 15517c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *valuep, uint_t *lengthp) 15527c478bd9Sstevel@tonic-gate { 15537c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15547c478bd9Sstevel@tonic-gate int i; 15557c478bd9Sstevel@tonic-gate caddr_t buffer; 15567c478bd9Sstevel@tonic-gate caddr_t prealloc = NULL; 15577c478bd9Sstevel@tonic-gate int plength = 0; 15587c478bd9Sstevel@tonic-gate dev_info_t *pdip; 15597c478bd9Sstevel@tonic-gate int (*bop)(); 15607c478bd9Sstevel@tonic-gate 15617c478bd9Sstevel@tonic-gate /*CONSTANTCONDITION*/ 15627c478bd9Sstevel@tonic-gate while (1) { 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 15657c478bd9Sstevel@tonic-gate 15667c478bd9Sstevel@tonic-gate 15677c478bd9Sstevel@tonic-gate /* 15687c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 15697c478bd9Sstevel@tonic-gate * Search order is: 15707c478bd9Sstevel@tonic-gate * 1. driver defined properties 15717c478bd9Sstevel@tonic-gate * 2. system defined properties 15727c478bd9Sstevel@tonic-gate * 3. driver global properties 15737c478bd9Sstevel@tonic-gate * 4. boot defined properties 15747c478bd9Sstevel@tonic-gate */ 15757c478bd9Sstevel@tonic-gate 15767c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15777c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_drv_prop_ptr)); 15787c478bd9Sstevel@tonic-gate if (propp == NULL) { 15797c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15807c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_sys_prop_ptr)); 15817c478bd9Sstevel@tonic-gate } 15827c478bd9Sstevel@tonic-gate if ((propp == NULL) && DEVI(dip)->devi_global_prop_list) { 15837c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15847c478bd9Sstevel@tonic-gate &DEVI(dip)->devi_global_prop_list->prop_list); 15857c478bd9Sstevel@tonic-gate } 15867c478bd9Sstevel@tonic-gate 15877c478bd9Sstevel@tonic-gate if (propp == NULL) { 15887c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 15897c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_hw_prop_ptr)); 15907c478bd9Sstevel@tonic-gate } 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate /* 15937c478bd9Sstevel@tonic-gate * Software property found? 15947c478bd9Sstevel@tonic-gate */ 15957c478bd9Sstevel@tonic-gate if (propp != (ddi_prop_t *)0) { 15967c478bd9Sstevel@tonic-gate 15977c478bd9Sstevel@tonic-gate /* 15987c478bd9Sstevel@tonic-gate * If explicit undefine, return now. 15997c478bd9Sstevel@tonic-gate */ 16007c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) { 16017c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16027c478bd9Sstevel@tonic-gate if (prealloc) 16037c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16047c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 16057c478bd9Sstevel@tonic-gate } 16067c478bd9Sstevel@tonic-gate 16077c478bd9Sstevel@tonic-gate /* 16087c478bd9Sstevel@tonic-gate * If we only want to know if it exists, return now 16097c478bd9Sstevel@tonic-gate */ 16107c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 16117c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16127c478bd9Sstevel@tonic-gate ASSERT(prealloc == NULL); 16137c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16147c478bd9Sstevel@tonic-gate } 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate /* 16177c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, 16187c478bd9Sstevel@tonic-gate * service request and return now. 16197c478bd9Sstevel@tonic-gate */ 16207c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) ||(propp->prop_len == 0)) { 16217c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate /* 16247c478bd9Sstevel@tonic-gate * if prop_op is PROP_LEN_AND_VAL_ALLOC 16257c478bd9Sstevel@tonic-gate * that means prop_len is 0, so set valuep 16267c478bd9Sstevel@tonic-gate * also to NULL 16277c478bd9Sstevel@tonic-gate */ 16287c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN_AND_VAL_ALLOC) 16297c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = NULL; 16307c478bd9Sstevel@tonic-gate 16317c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16327c478bd9Sstevel@tonic-gate if (prealloc) 16337c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16347c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16357c478bd9Sstevel@tonic-gate } 16367c478bd9Sstevel@tonic-gate 16377c478bd9Sstevel@tonic-gate /* 16387c478bd9Sstevel@tonic-gate * If LEN_AND_VAL_ALLOC and the request can sleep, 16397c478bd9Sstevel@tonic-gate * drop the mutex, allocate the buffer, and go 16407c478bd9Sstevel@tonic-gate * through the loop again. If we already allocated 16417c478bd9Sstevel@tonic-gate * the buffer, and the size of the property changed, 16427c478bd9Sstevel@tonic-gate * keep trying... 16437c478bd9Sstevel@tonic-gate */ 16447c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN_AND_VAL_ALLOC) && 16457c478bd9Sstevel@tonic-gate (flags & DDI_PROP_CANSLEEP)) { 16467c478bd9Sstevel@tonic-gate if (prealloc && (propp->prop_len != plength)) { 16477c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16487c478bd9Sstevel@tonic-gate prealloc = NULL; 16497c478bd9Sstevel@tonic-gate } 16507c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16517c478bd9Sstevel@tonic-gate plength = propp->prop_len; 16527c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16537c478bd9Sstevel@tonic-gate prealloc = kmem_alloc(plength, 16547c478bd9Sstevel@tonic-gate KM_SLEEP); 16557c478bd9Sstevel@tonic-gate continue; 16567c478bd9Sstevel@tonic-gate } 16577c478bd9Sstevel@tonic-gate } 16587c478bd9Sstevel@tonic-gate 16597c478bd9Sstevel@tonic-gate /* 16607c478bd9Sstevel@tonic-gate * Allocate buffer, if required. Either way, 16617c478bd9Sstevel@tonic-gate * set `buffer' variable. 16627c478bd9Sstevel@tonic-gate */ 16637c478bd9Sstevel@tonic-gate i = *lengthp; /* Get callers length */ 16647c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; /* Set callers length */ 16657c478bd9Sstevel@tonic-gate 16667c478bd9Sstevel@tonic-gate switch (prop_op) { 16677c478bd9Sstevel@tonic-gate 16687c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 16697c478bd9Sstevel@tonic-gate 16707c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16717c478bd9Sstevel@tonic-gate buffer = kmem_alloc(propp->prop_len, 16727c478bd9Sstevel@tonic-gate KM_NOSLEEP); 16737c478bd9Sstevel@tonic-gate } else { 16747c478bd9Sstevel@tonic-gate buffer = prealloc; 16757c478bd9Sstevel@tonic-gate } 16767c478bd9Sstevel@tonic-gate 16777c478bd9Sstevel@tonic-gate if (buffer == NULL) { 16787c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16797c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 16807c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 16817c478bd9Sstevel@tonic-gate } 16827c478bd9Sstevel@tonic-gate /* Set callers buf ptr */ 16837c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 16847c478bd9Sstevel@tonic-gate break; 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 16877c478bd9Sstevel@tonic-gate 16887c478bd9Sstevel@tonic-gate if (propp->prop_len > (i)) { 16897c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16907c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 16917c478bd9Sstevel@tonic-gate } 16927c478bd9Sstevel@tonic-gate 16937c478bd9Sstevel@tonic-gate buffer = valuep; /* Get callers buf ptr */ 16947c478bd9Sstevel@tonic-gate break; 16957c478bd9Sstevel@tonic-gate 16967c478bd9Sstevel@tonic-gate default: 16977c478bd9Sstevel@tonic-gate break; 16987c478bd9Sstevel@tonic-gate } 16997c478bd9Sstevel@tonic-gate 17007c478bd9Sstevel@tonic-gate /* 17017c478bd9Sstevel@tonic-gate * Do the copy. 17027c478bd9Sstevel@tonic-gate */ 17037c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 17047c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17057c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 17067c478bd9Sstevel@tonic-gate } 17077c478bd9Sstevel@tonic-gate 17087c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17097c478bd9Sstevel@tonic-gate if (prealloc) 17107c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 17117c478bd9Sstevel@tonic-gate prealloc = NULL; 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate /* 17147c478bd9Sstevel@tonic-gate * Prop not found, call parent bus_ops to deal with possible 17157c478bd9Sstevel@tonic-gate * h/w layer (possible PROM defined props, etc.) and to 17167c478bd9Sstevel@tonic-gate * possibly ascend the hierarchy, if allowed by flags. 17177c478bd9Sstevel@tonic-gate */ 17187c478bd9Sstevel@tonic-gate pdip = (dev_info_t *)DEVI(dip)->devi_parent; 17197c478bd9Sstevel@tonic-gate 17207c478bd9Sstevel@tonic-gate /* 17217c478bd9Sstevel@tonic-gate * One last call for the root driver PROM props? 17227c478bd9Sstevel@tonic-gate */ 17237c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 17247c478bd9Sstevel@tonic-gate return (ddi_bus_prop_op(dev, dip, dip, prop_op, 17257c478bd9Sstevel@tonic-gate flags, name, valuep, (int *)lengthp)); 17267c478bd9Sstevel@tonic-gate } 17277c478bd9Sstevel@tonic-gate 17287c478bd9Sstevel@tonic-gate /* 17297c478bd9Sstevel@tonic-gate * We may have been called to check for properties 17307c478bd9Sstevel@tonic-gate * within a single devinfo node that has no parent - 17317c478bd9Sstevel@tonic-gate * see make_prop() 17327c478bd9Sstevel@tonic-gate */ 17337c478bd9Sstevel@tonic-gate if (pdip == NULL) { 17347c478bd9Sstevel@tonic-gate ASSERT((flags & 17357c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)) == 17367c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)); 17377c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 17387c478bd9Sstevel@tonic-gate } 17397c478bd9Sstevel@tonic-gate 17407c478bd9Sstevel@tonic-gate /* 17417c478bd9Sstevel@tonic-gate * Instead of recursing, we do iterative calls up the tree. 17427c478bd9Sstevel@tonic-gate * As a bit of optimization, skip the bus_op level if the 17437c478bd9Sstevel@tonic-gate * node is a s/w node and if the parent's bus_prop_op function 17447c478bd9Sstevel@tonic-gate * is `ddi_bus_prop_op', because we know that in this case, 17457c478bd9Sstevel@tonic-gate * this function does nothing. 17467c478bd9Sstevel@tonic-gate * 17477c478bd9Sstevel@tonic-gate * 4225415: If the parent isn't attached, or the child 17487c478bd9Sstevel@tonic-gate * hasn't been named by the parent yet, use the default 17497c478bd9Sstevel@tonic-gate * ddi_bus_prop_op as a proxy for the parent. This 17507c478bd9Sstevel@tonic-gate * allows property lookups in any child/parent state to 17517c478bd9Sstevel@tonic-gate * include 'prom' and inherited properties, even when 17527c478bd9Sstevel@tonic-gate * there are no drivers attached to the child or parent. 17537c478bd9Sstevel@tonic-gate */ 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate bop = ddi_bus_prop_op; 1756737d277aScth if (i_ddi_devi_attached(pdip) && 17577c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) >= DS_INITIALIZED)) 17587c478bd9Sstevel@tonic-gate bop = DEVI(pdip)->devi_ops->devo_bus_ops->bus_prop_op; 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate i = DDI_PROP_NOT_FOUND; 17617c478bd9Sstevel@tonic-gate 17627c478bd9Sstevel@tonic-gate if ((bop != ddi_bus_prop_op) || ndi_dev_is_prom_node(dip)) { 17637c478bd9Sstevel@tonic-gate i = (*bop)(dev, pdip, dip, prop_op, 17647c478bd9Sstevel@tonic-gate flags | DDI_PROP_DONTPASS, 17657c478bd9Sstevel@tonic-gate name, valuep, lengthp); 17667c478bd9Sstevel@tonic-gate } 17677c478bd9Sstevel@tonic-gate 17687c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_DONTPASS) || 17697c478bd9Sstevel@tonic-gate (i != DDI_PROP_NOT_FOUND)) 17707c478bd9Sstevel@tonic-gate return (i); 17717c478bd9Sstevel@tonic-gate 17727c478bd9Sstevel@tonic-gate dip = pdip; 17737c478bd9Sstevel@tonic-gate } 17747c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 17757c478bd9Sstevel@tonic-gate } 17767c478bd9Sstevel@tonic-gate 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate /* 17797c478bd9Sstevel@tonic-gate * ddi_prop_op: The basic property operator for drivers. 17807c478bd9Sstevel@tonic-gate * 17817c478bd9Sstevel@tonic-gate * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 17827c478bd9Sstevel@tonic-gate * 17837c478bd9Sstevel@tonic-gate * prop_op valuep 17847c478bd9Sstevel@tonic-gate * ------ ------ 17857c478bd9Sstevel@tonic-gate * 17867c478bd9Sstevel@tonic-gate * PROP_LEN <unused> 17877c478bd9Sstevel@tonic-gate * 17887c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 17897c478bd9Sstevel@tonic-gate * 17907c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 17917c478bd9Sstevel@tonic-gate * address of allocated buffer, if successful) 17927c478bd9Sstevel@tonic-gate */ 17937c478bd9Sstevel@tonic-gate int 17947c478bd9Sstevel@tonic-gate ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 17957c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 17967c478bd9Sstevel@tonic-gate { 17977c478bd9Sstevel@tonic-gate int i; 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate ASSERT((mod_flags & DDI_PROP_TYPE_MASK) == 0); 18007c478bd9Sstevel@tonic-gate 18017c478bd9Sstevel@tonic-gate /* 18027c478bd9Sstevel@tonic-gate * If this was originally an LDI prop lookup then we bail here. 18037c478bd9Sstevel@tonic-gate * The reason is that the LDI property lookup interfaces first call 18047c478bd9Sstevel@tonic-gate * a drivers prop_op() entry point to allow it to override 18057c478bd9Sstevel@tonic-gate * properties. But if we've made it here, then the driver hasn't 18067c478bd9Sstevel@tonic-gate * overriden any properties. We don't want to continue with the 18077c478bd9Sstevel@tonic-gate * property search here because we don't have any type inforamtion. 18087c478bd9Sstevel@tonic-gate * When we return failure, the LDI interfaces will then proceed to 18097c478bd9Sstevel@tonic-gate * call the typed property interfaces to look up the property. 18107c478bd9Sstevel@tonic-gate */ 18117c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_DYNAMIC) 18127c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate /* 18157c478bd9Sstevel@tonic-gate * check for pre-typed property consumer asking for typed property: 18167c478bd9Sstevel@tonic-gate * see e_ddi_getprop_int64. 18177c478bd9Sstevel@tonic-gate */ 18187c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_CONSUMER_TYPED) 18197c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_INT64; 18207c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_ANY; 18217c478bd9Sstevel@tonic-gate 18227c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(dev, dip, prop_op, 1823184cd04cScth mod_flags, name, valuep, (uint_t *)lengthp); 18247c478bd9Sstevel@tonic-gate if (i == DDI_PROP_FOUND_1275) 18257c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 18267c478bd9Sstevel@tonic-gate return (i); 18277c478bd9Sstevel@tonic-gate } 18287c478bd9Sstevel@tonic-gate 18297c478bd9Sstevel@tonic-gate /* 1830184cd04cScth * ddi_prop_op_nblocks_blksize: The basic property operator for drivers that 1831184cd04cScth * maintain size in number of blksize blocks. Provides a dynamic property 1832184cd04cScth * implementation for size oriented properties based on nblocks64 and blksize 1833184cd04cScth * values passed in by the driver. Fallback to ddi_prop_op if the nblocks64 1834184cd04cScth * is too large. This interface should not be used with a nblocks64 that 1835184cd04cScth * represents the driver's idea of how to represent unknown, if nblocks is 1836184cd04cScth * unknown use ddi_prop_op. 18377c478bd9Sstevel@tonic-gate */ 18387c478bd9Sstevel@tonic-gate int 1839184cd04cScth ddi_prop_op_nblocks_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1840184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, 1841184cd04cScth uint64_t nblocks64, uint_t blksize) 18427c478bd9Sstevel@tonic-gate { 18437c478bd9Sstevel@tonic-gate uint64_t size64; 1844184cd04cScth int blkshift; 1845184cd04cScth 1846184cd04cScth /* convert block size to shift value */ 1847184cd04cScth ASSERT(BIT_ONLYONESET(blksize)); 1848184cd04cScth blkshift = highbit(blksize) - 1; 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate /* 18517c478bd9Sstevel@tonic-gate * There is no point in supporting nblocks64 values that don't have 18527c478bd9Sstevel@tonic-gate * an accurate uint64_t byte count representation. 18537c478bd9Sstevel@tonic-gate */ 1854184cd04cScth if (nblocks64 >= (UINT64_MAX >> blkshift)) 18557c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 18567c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 18577c478bd9Sstevel@tonic-gate 1858184cd04cScth size64 = nblocks64 << blkshift; 1859184cd04cScth return (ddi_prop_op_size_blksize(dev, dip, prop_op, mod_flags, 1860184cd04cScth name, valuep, lengthp, size64, blksize)); 18617c478bd9Sstevel@tonic-gate } 18627c478bd9Sstevel@tonic-gate 18637c478bd9Sstevel@tonic-gate /* 1864184cd04cScth * ddi_prop_op_nblocks: ddi_prop_op_nblocks_blksize with DEV_BSIZE blksize. 1865184cd04cScth */ 1866184cd04cScth int 1867184cd04cScth ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1868184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t nblocks64) 1869184cd04cScth { 1870184cd04cScth return (ddi_prop_op_nblocks_blksize(dev, dip, prop_op, 1871184cd04cScth mod_flags, name, valuep, lengthp, nblocks64, DEV_BSIZE)); 1872184cd04cScth } 1873184cd04cScth 1874184cd04cScth /* 1875184cd04cScth * ddi_prop_op_size_blksize: The basic property operator for block drivers that 1876184cd04cScth * maintain size in bytes. Provides a of dynamic property implementation for 1877184cd04cScth * size oriented properties based on size64 value and blksize passed in by the 1878184cd04cScth * driver. Fallback to ddi_prop_op if the size64 is too large. This interface 1879184cd04cScth * should not be used with a size64 that represents the driver's idea of how 1880184cd04cScth * to represent unknown, if size is unknown use ddi_prop_op. 18817c478bd9Sstevel@tonic-gate * 18827c478bd9Sstevel@tonic-gate * NOTE: the legacy "nblocks"/"size" properties are treated as 32-bit unsigned 18837c478bd9Sstevel@tonic-gate * integers. While the most likely interface to request them ([bc]devi_size) 18847c478bd9Sstevel@tonic-gate * is declared int (signed) there is no enforcement of this, which means we 18857c478bd9Sstevel@tonic-gate * can't enforce limitations here without risking regression. 18867c478bd9Sstevel@tonic-gate */ 18877c478bd9Sstevel@tonic-gate int 1888184cd04cScth ddi_prop_op_size_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1889184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t size64, 1890184cd04cScth uint_t blksize) 18917c478bd9Sstevel@tonic-gate { 18927c478bd9Sstevel@tonic-gate uint64_t nblocks64; 18937c478bd9Sstevel@tonic-gate int callers_length; 18947c478bd9Sstevel@tonic-gate caddr_t buffer; 1895184cd04cScth int blkshift; 1896184cd04cScth 1897b9ccdc5aScth /* 1898b9ccdc5aScth * This is a kludge to support capture of size(9P) pure dynamic 1899b9ccdc5aScth * properties in snapshots for non-cmlb code (without exposing 1900b9ccdc5aScth * i_ddi_prop_dyn changes). When everyone uses cmlb, this code 1901b9ccdc5aScth * should be removed. 1902b9ccdc5aScth */ 1903b9ccdc5aScth if (i_ddi_prop_dyn_driver_get(dip) == NULL) { 1904b9ccdc5aScth static i_ddi_prop_dyn_t prop_dyn_size[] = { 1905b9ccdc5aScth {"Size", DDI_PROP_TYPE_INT64, S_IFCHR}, 1906b9ccdc5aScth {"Nblocks", DDI_PROP_TYPE_INT64, S_IFBLK}, 1907b9ccdc5aScth {NULL} 1908b9ccdc5aScth }; 1909b9ccdc5aScth i_ddi_prop_dyn_driver_set(dip, prop_dyn_size); 1910b9ccdc5aScth } 1911b9ccdc5aScth 1912184cd04cScth /* convert block size to shift value */ 1913184cd04cScth ASSERT(BIT_ONLYONESET(blksize)); 1914184cd04cScth blkshift = highbit(blksize) - 1; 19157c478bd9Sstevel@tonic-gate 19167c478bd9Sstevel@tonic-gate /* compute DEV_BSIZE nblocks value */ 1917184cd04cScth nblocks64 = size64 >> blkshift; 19187c478bd9Sstevel@tonic-gate 19197c478bd9Sstevel@tonic-gate /* get callers length, establish length of our dynamic properties */ 19207c478bd9Sstevel@tonic-gate callers_length = *lengthp; 19217c478bd9Sstevel@tonic-gate 19227c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19237c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19247c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19257c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19267c478bd9Sstevel@tonic-gate else if ((strcmp(name, "nblocks") == 0) && (nblocks64 < UINT_MAX)) 19277c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 19287c478bd9Sstevel@tonic-gate else if ((strcmp(name, "size") == 0) && (size64 < UINT_MAX)) 19297c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 1930184cd04cScth else if ((strcmp(name, "blksize") == 0) && (blksize < UINT_MAX)) 1931184cd04cScth *lengthp = sizeof (uint32_t); 19327c478bd9Sstevel@tonic-gate else { 19337c478bd9Sstevel@tonic-gate /* fallback to ddi_prop_op */ 19347c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 19357c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 19367c478bd9Sstevel@tonic-gate } 19377c478bd9Sstevel@tonic-gate 19387c478bd9Sstevel@tonic-gate /* service request for the length of the property */ 19397c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN) 19407c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19417c478bd9Sstevel@tonic-gate 19427c478bd9Sstevel@tonic-gate switch (prop_op) { 19437c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 19447c478bd9Sstevel@tonic-gate if ((buffer = kmem_alloc(*lengthp, 19457c478bd9Sstevel@tonic-gate (mod_flags & DDI_PROP_CANSLEEP) ? 19467c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP)) == NULL) 19477c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 19487c478bd9Sstevel@tonic-gate 19497c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; /* set callers buf ptr */ 19507c478bd9Sstevel@tonic-gate break; 19517c478bd9Sstevel@tonic-gate 19527c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 1953b9ccdc5aScth /* the length of the property and the request must match */ 1954b9ccdc5aScth if (callers_length != *lengthp) 1955b9ccdc5aScth return (DDI_PROP_INVAL_ARG); 1956b9ccdc5aScth 19577c478bd9Sstevel@tonic-gate buffer = valuep; /* get callers buf ptr */ 19587c478bd9Sstevel@tonic-gate break; 19597c478bd9Sstevel@tonic-gate 19607c478bd9Sstevel@tonic-gate default: 19617c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 19627c478bd9Sstevel@tonic-gate } 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate /* transfer the value into the buffer */ 19657c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19667c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = nblocks64; 19677c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19687c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = size64; 19697c478bd9Sstevel@tonic-gate else if (strcmp(name, "nblocks") == 0) 19707c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)nblocks64; 19717c478bd9Sstevel@tonic-gate else if (strcmp(name, "size") == 0) 19727c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)size64; 1973184cd04cScth else if (strcmp(name, "blksize") == 0) 1974184cd04cScth *((uint32_t *)buffer) = (uint32_t)blksize; 19757c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19767c478bd9Sstevel@tonic-gate } 19777c478bd9Sstevel@tonic-gate 1978184cd04cScth /* 1979184cd04cScth * ddi_prop_op_size: ddi_prop_op_size_blksize with DEV_BSIZE block size. 1980184cd04cScth */ 1981184cd04cScth int 1982184cd04cScth ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 1983184cd04cScth int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t size64) 1984184cd04cScth { 1985184cd04cScth return (ddi_prop_op_size_blksize(dev, dip, prop_op, 1986184cd04cScth mod_flags, name, valuep, lengthp, size64, DEV_BSIZE)); 1987184cd04cScth } 1988184cd04cScth 19897c478bd9Sstevel@tonic-gate /* 19907c478bd9Sstevel@tonic-gate * Variable length props... 19917c478bd9Sstevel@tonic-gate */ 19927c478bd9Sstevel@tonic-gate 19937c478bd9Sstevel@tonic-gate /* 19947c478bd9Sstevel@tonic-gate * ddi_getlongprop: Get variable length property len+val into a buffer 19957c478bd9Sstevel@tonic-gate * allocated by property provider via kmem_alloc. Requester 19967c478bd9Sstevel@tonic-gate * is responsible for freeing returned property via kmem_free. 19977c478bd9Sstevel@tonic-gate * 19987c478bd9Sstevel@tonic-gate * Arguments: 19997c478bd9Sstevel@tonic-gate * 20007c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 20017c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 20027c478bd9Sstevel@tonic-gate * flags: Input: Possible flag modifiers are: 20037c478bd9Sstevel@tonic-gate * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 20047c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Memory allocation may sleep. 20057c478bd9Sstevel@tonic-gate * name: Input: name of property. 20067c478bd9Sstevel@tonic-gate * valuep: Output: Addr of callers buffer pointer. 20077c478bd9Sstevel@tonic-gate * lengthp:Output: *lengthp will contain prop length on exit. 20087c478bd9Sstevel@tonic-gate * 20097c478bd9Sstevel@tonic-gate * Possible Returns: 20107c478bd9Sstevel@tonic-gate * 20117c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS: Prop found and returned. 20127c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND: Prop not found 20137c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED: Prop explicitly undefined. 20147c478bd9Sstevel@tonic-gate * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 20157c478bd9Sstevel@tonic-gate */ 20167c478bd9Sstevel@tonic-gate 20177c478bd9Sstevel@tonic-gate int 20187c478bd9Sstevel@tonic-gate ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 20197c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 20207c478bd9Sstevel@tonic-gate { 20217c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_ALLOC, 20227c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 20237c478bd9Sstevel@tonic-gate } 20247c478bd9Sstevel@tonic-gate 20257c478bd9Sstevel@tonic-gate /* 20267c478bd9Sstevel@tonic-gate * 20277c478bd9Sstevel@tonic-gate * ddi_getlongprop_buf: Get long prop into pre-allocated callers 20287c478bd9Sstevel@tonic-gate * buffer. (no memory allocation by provider). 20297c478bd9Sstevel@tonic-gate * 20307c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 20317c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 20327c478bd9Sstevel@tonic-gate * flags: Input: DDI_PROP_DONTPASS or NULL 20337c478bd9Sstevel@tonic-gate * name: Input: name of property 20347c478bd9Sstevel@tonic-gate * valuep: Input: ptr to callers buffer. 20357c478bd9Sstevel@tonic-gate * lengthp:I/O: ptr to length of callers buffer on entry, 20367c478bd9Sstevel@tonic-gate * actual length of property on exit. 20377c478bd9Sstevel@tonic-gate * 20387c478bd9Sstevel@tonic-gate * Possible returns: 20397c478bd9Sstevel@tonic-gate * 20407c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS Prop found and returned 20417c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND Prop not found 20427c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED Prop explicitly undefined. 20437c478bd9Sstevel@tonic-gate * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 20447c478bd9Sstevel@tonic-gate * no value returned, but actual prop 20457c478bd9Sstevel@tonic-gate * length returned in *lengthp 20467c478bd9Sstevel@tonic-gate * 20477c478bd9Sstevel@tonic-gate */ 20487c478bd9Sstevel@tonic-gate 20497c478bd9Sstevel@tonic-gate int 20507c478bd9Sstevel@tonic-gate ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 20517c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 20527c478bd9Sstevel@tonic-gate { 20537c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20547c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 20557c478bd9Sstevel@tonic-gate } 20567c478bd9Sstevel@tonic-gate 20577c478bd9Sstevel@tonic-gate /* 20587c478bd9Sstevel@tonic-gate * Integer/boolean sized props. 20597c478bd9Sstevel@tonic-gate * 20607c478bd9Sstevel@tonic-gate * Call is value only... returns found boolean or int sized prop value or 20617c478bd9Sstevel@tonic-gate * defvalue if prop not found or is wrong length or is explicitly undefined. 20627c478bd9Sstevel@tonic-gate * Only flag is DDI_PROP_DONTPASS... 20637c478bd9Sstevel@tonic-gate * 20647c478bd9Sstevel@tonic-gate * By convention, this interface returns boolean (0) sized properties 20657c478bd9Sstevel@tonic-gate * as value (int)1. 20667c478bd9Sstevel@tonic-gate * 20677c478bd9Sstevel@tonic-gate * This never returns an error, if property not found or specifically 20687c478bd9Sstevel@tonic-gate * undefined, the input `defvalue' is returned. 20697c478bd9Sstevel@tonic-gate */ 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate int 20727c478bd9Sstevel@tonic-gate ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue) 20737c478bd9Sstevel@tonic-gate { 20747c478bd9Sstevel@tonic-gate int propvalue = defvalue; 20757c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 20767c478bd9Sstevel@tonic-gate int error; 20777c478bd9Sstevel@tonic-gate 20787c478bd9Sstevel@tonic-gate error = ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20797c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 20807c478bd9Sstevel@tonic-gate 20817c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 20827c478bd9Sstevel@tonic-gate propvalue = 1; 20837c478bd9Sstevel@tonic-gate 20847c478bd9Sstevel@tonic-gate return (propvalue); 20857c478bd9Sstevel@tonic-gate } 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate /* 20887c478bd9Sstevel@tonic-gate * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 20897c478bd9Sstevel@tonic-gate * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 20907c478bd9Sstevel@tonic-gate */ 20917c478bd9Sstevel@tonic-gate 20927c478bd9Sstevel@tonic-gate int 20937c478bd9Sstevel@tonic-gate ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp) 20947c478bd9Sstevel@tonic-gate { 20957c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN, flags, name, NULL, lengthp)); 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate /* 20997c478bd9Sstevel@tonic-gate * Allocate a struct prop_driver_data, along with 'size' bytes 21007c478bd9Sstevel@tonic-gate * for decoded property data. This structure is freed by 21017c478bd9Sstevel@tonic-gate * calling ddi_prop_free(9F). 21027c478bd9Sstevel@tonic-gate */ 21037c478bd9Sstevel@tonic-gate static void * 21047c478bd9Sstevel@tonic-gate ddi_prop_decode_alloc(size_t size, void (*prop_free)(struct prop_driver_data *)) 21057c478bd9Sstevel@tonic-gate { 21067c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 21077c478bd9Sstevel@tonic-gate 21087c478bd9Sstevel@tonic-gate /* 21097c478bd9Sstevel@tonic-gate * Allocate a structure with enough memory to store the decoded data. 21107c478bd9Sstevel@tonic-gate */ 21117c478bd9Sstevel@tonic-gate pdd = kmem_zalloc(sizeof (struct prop_driver_data) + size, KM_SLEEP); 21127c478bd9Sstevel@tonic-gate pdd->pdd_size = (sizeof (struct prop_driver_data) + size); 21137c478bd9Sstevel@tonic-gate pdd->pdd_prop_free = prop_free; 21147c478bd9Sstevel@tonic-gate 21157c478bd9Sstevel@tonic-gate /* 21167c478bd9Sstevel@tonic-gate * Return a pointer to the location to put the decoded data. 21177c478bd9Sstevel@tonic-gate */ 21187c478bd9Sstevel@tonic-gate return ((void *)((caddr_t)pdd + sizeof (struct prop_driver_data))); 21197c478bd9Sstevel@tonic-gate } 21207c478bd9Sstevel@tonic-gate 21217c478bd9Sstevel@tonic-gate /* 21227c478bd9Sstevel@tonic-gate * Allocated the memory needed to store the encoded data in the property 21237c478bd9Sstevel@tonic-gate * handle. 21247c478bd9Sstevel@tonic-gate */ 21257c478bd9Sstevel@tonic-gate static int 21267c478bd9Sstevel@tonic-gate ddi_prop_encode_alloc(prop_handle_t *ph, size_t size) 21277c478bd9Sstevel@tonic-gate { 21287c478bd9Sstevel@tonic-gate /* 21297c478bd9Sstevel@tonic-gate * If size is zero, then set data to NULL and size to 0. This 21307c478bd9Sstevel@tonic-gate * is a boolean property. 21317c478bd9Sstevel@tonic-gate */ 21327c478bd9Sstevel@tonic-gate if (size == 0) { 21337c478bd9Sstevel@tonic-gate ph->ph_size = 0; 21347c478bd9Sstevel@tonic-gate ph->ph_data = NULL; 21357c478bd9Sstevel@tonic-gate ph->ph_cur_pos = NULL; 21367c478bd9Sstevel@tonic-gate ph->ph_save_pos = NULL; 21377c478bd9Sstevel@tonic-gate } else { 21387c478bd9Sstevel@tonic-gate if (ph->ph_flags == DDI_PROP_DONTSLEEP) { 21397c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_NOSLEEP); 21407c478bd9Sstevel@tonic-gate if (ph->ph_data == NULL) 21417c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 21427c478bd9Sstevel@tonic-gate } else 21437c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_SLEEP); 21447c478bd9Sstevel@tonic-gate ph->ph_size = size; 21457c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 21467c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 21477c478bd9Sstevel@tonic-gate } 21487c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 21497c478bd9Sstevel@tonic-gate } 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate /* 21527c478bd9Sstevel@tonic-gate * Free the space allocated by the lookup routines. Each lookup routine 21537c478bd9Sstevel@tonic-gate * returns a pointer to the decoded data to the driver. The driver then 21547c478bd9Sstevel@tonic-gate * passes this pointer back to us. This data actually lives in a struct 21557c478bd9Sstevel@tonic-gate * prop_driver_data. We use negative indexing to find the beginning of 21567c478bd9Sstevel@tonic-gate * the structure and then free the entire structure using the size and 21577c478bd9Sstevel@tonic-gate * the free routine stored in the structure. 21587c478bd9Sstevel@tonic-gate */ 21597c478bd9Sstevel@tonic-gate void 21607c478bd9Sstevel@tonic-gate ddi_prop_free(void *datap) 21617c478bd9Sstevel@tonic-gate { 21627c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 21637c478bd9Sstevel@tonic-gate 21647c478bd9Sstevel@tonic-gate /* 21657c478bd9Sstevel@tonic-gate * Get the structure 21667c478bd9Sstevel@tonic-gate */ 21677c478bd9Sstevel@tonic-gate pdd = (struct prop_driver_data *) 2168184cd04cScth ((caddr_t)datap - sizeof (struct prop_driver_data)); 21697c478bd9Sstevel@tonic-gate /* 21707c478bd9Sstevel@tonic-gate * Call the free routine to free it 21717c478bd9Sstevel@tonic-gate */ 21727c478bd9Sstevel@tonic-gate (*pdd->pdd_prop_free)(pdd); 21737c478bd9Sstevel@tonic-gate } 21747c478bd9Sstevel@tonic-gate 21757c478bd9Sstevel@tonic-gate /* 21767c478bd9Sstevel@tonic-gate * Free the data associated with an array of ints, 21777c478bd9Sstevel@tonic-gate * allocated with ddi_prop_decode_alloc(). 21787c478bd9Sstevel@tonic-gate */ 21797c478bd9Sstevel@tonic-gate static void 21807c478bd9Sstevel@tonic-gate ddi_prop_free_ints(struct prop_driver_data *pdd) 21817c478bd9Sstevel@tonic-gate { 21827c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21837c478bd9Sstevel@tonic-gate } 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate /* 21867c478bd9Sstevel@tonic-gate * Free a single string property or a single string contained within 21877c478bd9Sstevel@tonic-gate * the argv style return value of an array of strings. 21887c478bd9Sstevel@tonic-gate */ 21897c478bd9Sstevel@tonic-gate static void 21907c478bd9Sstevel@tonic-gate ddi_prop_free_string(struct prop_driver_data *pdd) 21917c478bd9Sstevel@tonic-gate { 21927c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21937c478bd9Sstevel@tonic-gate 21947c478bd9Sstevel@tonic-gate } 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate /* 21977c478bd9Sstevel@tonic-gate * Free an array of strings. 21987c478bd9Sstevel@tonic-gate */ 21997c478bd9Sstevel@tonic-gate static void 22007c478bd9Sstevel@tonic-gate ddi_prop_free_strings(struct prop_driver_data *pdd) 22017c478bd9Sstevel@tonic-gate { 22027c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 22037c478bd9Sstevel@tonic-gate } 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate /* 22067c478bd9Sstevel@tonic-gate * Free the data associated with an array of bytes. 22077c478bd9Sstevel@tonic-gate */ 22087c478bd9Sstevel@tonic-gate static void 22097c478bd9Sstevel@tonic-gate ddi_prop_free_bytes(struct prop_driver_data *pdd) 22107c478bd9Sstevel@tonic-gate { 22117c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 22127c478bd9Sstevel@tonic-gate } 22137c478bd9Sstevel@tonic-gate 22147c478bd9Sstevel@tonic-gate /* 22157c478bd9Sstevel@tonic-gate * Reset the current location pointer in the property handle to the 22167c478bd9Sstevel@tonic-gate * beginning of the data. 22177c478bd9Sstevel@tonic-gate */ 22187c478bd9Sstevel@tonic-gate void 22197c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(prop_handle_t *ph) 22207c478bd9Sstevel@tonic-gate { 22217c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 22227c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 22237c478bd9Sstevel@tonic-gate } 22247c478bd9Sstevel@tonic-gate 22257c478bd9Sstevel@tonic-gate /* 22267c478bd9Sstevel@tonic-gate * Restore the current location pointer in the property handle to the 22277c478bd9Sstevel@tonic-gate * saved position. 22287c478bd9Sstevel@tonic-gate */ 22297c478bd9Sstevel@tonic-gate void 22307c478bd9Sstevel@tonic-gate ddi_prop_save_pos(prop_handle_t *ph) 22317c478bd9Sstevel@tonic-gate { 22327c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_cur_pos; 22337c478bd9Sstevel@tonic-gate } 22347c478bd9Sstevel@tonic-gate 22357c478bd9Sstevel@tonic-gate /* 22367c478bd9Sstevel@tonic-gate * Save the location that the current location pointer is pointing to.. 22377c478bd9Sstevel@tonic-gate */ 22387c478bd9Sstevel@tonic-gate void 22397c478bd9Sstevel@tonic-gate ddi_prop_restore_pos(prop_handle_t *ph) 22407c478bd9Sstevel@tonic-gate { 22417c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_save_pos; 22427c478bd9Sstevel@tonic-gate } 22437c478bd9Sstevel@tonic-gate 22447c478bd9Sstevel@tonic-gate /* 22457c478bd9Sstevel@tonic-gate * Property encode/decode functions 22467c478bd9Sstevel@tonic-gate */ 22477c478bd9Sstevel@tonic-gate 22487c478bd9Sstevel@tonic-gate /* 22497c478bd9Sstevel@tonic-gate * Decode a single integer property 22507c478bd9Sstevel@tonic-gate */ 22517c478bd9Sstevel@tonic-gate static int 22527c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int(prop_handle_t *ph, void *data, uint_t *nelements) 22537c478bd9Sstevel@tonic-gate { 22547c478bd9Sstevel@tonic-gate int i; 22557c478bd9Sstevel@tonic-gate int tmp; 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate /* 22587c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22597c478bd9Sstevel@tonic-gate */ 22607c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22617c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22627c478bd9Sstevel@tonic-gate 22637c478bd9Sstevel@tonic-gate /* 22647c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 22657c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 22667c478bd9Sstevel@tonic-gate */ 22677c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, &tmp); 22687c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 22697c478bd9Sstevel@tonic-gate switch (i) { 22707c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 22717c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 22747c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 22757c478bd9Sstevel@tonic-gate } 22767c478bd9Sstevel@tonic-gate } 22777c478bd9Sstevel@tonic-gate 22787c478bd9Sstevel@tonic-gate *(int *)data = tmp; 22797c478bd9Sstevel@tonic-gate *nelements = 1; 22807c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate /* 22847c478bd9Sstevel@tonic-gate * Decode a single 64 bit integer property 22857c478bd9Sstevel@tonic-gate */ 22867c478bd9Sstevel@tonic-gate static int 22877c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64(prop_handle_t *ph, void *data, uint_t *nelements) 22887c478bd9Sstevel@tonic-gate { 22897c478bd9Sstevel@tonic-gate int i; 22907c478bd9Sstevel@tonic-gate int64_t tmp; 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate /* 22937c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22947c478bd9Sstevel@tonic-gate */ 22957c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22967c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22977c478bd9Sstevel@tonic-gate 22987c478bd9Sstevel@tonic-gate /* 22997c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 23007c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 23017c478bd9Sstevel@tonic-gate */ 23027c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, &tmp); 23037c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 23047c478bd9Sstevel@tonic-gate switch (i) { 23057c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 23067c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23077c478bd9Sstevel@tonic-gate 23087c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 23097c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23107c478bd9Sstevel@tonic-gate } 23117c478bd9Sstevel@tonic-gate } 23127c478bd9Sstevel@tonic-gate 23137c478bd9Sstevel@tonic-gate *(int64_t *)data = tmp; 23147c478bd9Sstevel@tonic-gate *nelements = 1; 23157c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 23167c478bd9Sstevel@tonic-gate } 23177c478bd9Sstevel@tonic-gate 23187c478bd9Sstevel@tonic-gate /* 23197c478bd9Sstevel@tonic-gate * Decode an array of integers property 23207c478bd9Sstevel@tonic-gate */ 23217c478bd9Sstevel@tonic-gate static int 23227c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_ints(prop_handle_t *ph, void *data, uint_t *nelements) 23237c478bd9Sstevel@tonic-gate { 23247c478bd9Sstevel@tonic-gate int i; 23257c478bd9Sstevel@tonic-gate int cnt = 0; 23267c478bd9Sstevel@tonic-gate int *tmp; 23277c478bd9Sstevel@tonic-gate int *intp; 23287c478bd9Sstevel@tonic-gate int n; 23297c478bd9Sstevel@tonic-gate 23307c478bd9Sstevel@tonic-gate /* 23317c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 23327c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 23337c478bd9Sstevel@tonic-gate */ 23347c478bd9Sstevel@tonic-gate for (;;) { 23357c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_SKIP, NULL); 23367c478bd9Sstevel@tonic-gate if (i < 0) 23377c478bd9Sstevel@tonic-gate break; 23387c478bd9Sstevel@tonic-gate cnt++; 23397c478bd9Sstevel@tonic-gate } 23407c478bd9Sstevel@tonic-gate 23417c478bd9Sstevel@tonic-gate /* 23427c478bd9Sstevel@tonic-gate * If there are no elements return an error 23437c478bd9Sstevel@tonic-gate */ 23447c478bd9Sstevel@tonic-gate if (cnt == 0) 23457c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23467c478bd9Sstevel@tonic-gate 23477c478bd9Sstevel@tonic-gate /* 23487c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 23497c478bd9Sstevel@tonic-gate */ 23507c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 23517c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate /* 23547c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 23557c478bd9Sstevel@tonic-gate */ 23567c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 23577c478bd9Sstevel@tonic-gate 23587c478bd9Sstevel@tonic-gate /* 23597c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 23607c478bd9Sstevel@tonic-gate */ 23617c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int)), 2362184cd04cScth ddi_prop_free_ints); 23637c478bd9Sstevel@tonic-gate 23647c478bd9Sstevel@tonic-gate /* 23657c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 23667c478bd9Sstevel@tonic-gate */ 23677c478bd9Sstevel@tonic-gate tmp = intp; 23687c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 23697c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, tmp); 23707c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 23717c478bd9Sstevel@tonic-gate /* 23727c478bd9Sstevel@tonic-gate * Free the space we just allocated 23737c478bd9Sstevel@tonic-gate * and return an error. 23747c478bd9Sstevel@tonic-gate */ 23757c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 23767c478bd9Sstevel@tonic-gate switch (i) { 23777c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 23787c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23797c478bd9Sstevel@tonic-gate 23807c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 23817c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23827c478bd9Sstevel@tonic-gate } 23837c478bd9Sstevel@tonic-gate } 23847c478bd9Sstevel@tonic-gate } 23857c478bd9Sstevel@tonic-gate 23867c478bd9Sstevel@tonic-gate *nelements = cnt; 23877c478bd9Sstevel@tonic-gate *(int **)data = intp; 23887c478bd9Sstevel@tonic-gate 23897c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 23907c478bd9Sstevel@tonic-gate } 23917c478bd9Sstevel@tonic-gate 23927c478bd9Sstevel@tonic-gate /* 23937c478bd9Sstevel@tonic-gate * Decode a 64 bit integer array property 23947c478bd9Sstevel@tonic-gate */ 23957c478bd9Sstevel@tonic-gate static int 23967c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64_array(prop_handle_t *ph, void *data, uint_t *nelements) 23977c478bd9Sstevel@tonic-gate { 23987c478bd9Sstevel@tonic-gate int i; 23997c478bd9Sstevel@tonic-gate int n; 24007c478bd9Sstevel@tonic-gate int cnt = 0; 24017c478bd9Sstevel@tonic-gate int64_t *tmp; 24027c478bd9Sstevel@tonic-gate int64_t *intp; 24037c478bd9Sstevel@tonic-gate 24047c478bd9Sstevel@tonic-gate /* 24057c478bd9Sstevel@tonic-gate * Count the number of array elements by going 24067c478bd9Sstevel@tonic-gate * through the data without decoding it. 24077c478bd9Sstevel@tonic-gate */ 24087c478bd9Sstevel@tonic-gate for (;;) { 24097c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_SKIP, NULL); 24107c478bd9Sstevel@tonic-gate if (i < 0) 24117c478bd9Sstevel@tonic-gate break; 24127c478bd9Sstevel@tonic-gate cnt++; 24137c478bd9Sstevel@tonic-gate } 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate /* 24167c478bd9Sstevel@tonic-gate * If there are no elements return an error 24177c478bd9Sstevel@tonic-gate */ 24187c478bd9Sstevel@tonic-gate if (cnt == 0) 24197c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24207c478bd9Sstevel@tonic-gate 24217c478bd9Sstevel@tonic-gate /* 24227c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 24237c478bd9Sstevel@tonic-gate */ 24247c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 24257c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24267c478bd9Sstevel@tonic-gate 24277c478bd9Sstevel@tonic-gate /* 24287c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 24297c478bd9Sstevel@tonic-gate */ 24307c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 24317c478bd9Sstevel@tonic-gate 24327c478bd9Sstevel@tonic-gate /* 24337c478bd9Sstevel@tonic-gate * Allocate memory to store the decoded value. 24347c478bd9Sstevel@tonic-gate */ 24357c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int64_t)), 2436184cd04cScth ddi_prop_free_ints); 24377c478bd9Sstevel@tonic-gate 24387c478bd9Sstevel@tonic-gate /* 24397c478bd9Sstevel@tonic-gate * Decode each element and place it in the space allocated 24407c478bd9Sstevel@tonic-gate */ 24417c478bd9Sstevel@tonic-gate tmp = intp; 24427c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 24437c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, tmp); 24447c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 24457c478bd9Sstevel@tonic-gate /* 24467c478bd9Sstevel@tonic-gate * Free the space we just allocated 24477c478bd9Sstevel@tonic-gate * and return an error. 24487c478bd9Sstevel@tonic-gate */ 24497c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 24507c478bd9Sstevel@tonic-gate switch (i) { 24517c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24527c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24557c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24567c478bd9Sstevel@tonic-gate } 24577c478bd9Sstevel@tonic-gate } 24587c478bd9Sstevel@tonic-gate } 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate *nelements = cnt; 24617c478bd9Sstevel@tonic-gate *(int64_t **)data = intp; 24627c478bd9Sstevel@tonic-gate 24637c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 24647c478bd9Sstevel@tonic-gate } 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate /* 24677c478bd9Sstevel@tonic-gate * Encode an array of integers property (Can be one element) 24687c478bd9Sstevel@tonic-gate */ 24697c478bd9Sstevel@tonic-gate int 24707c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_ints(prop_handle_t *ph, void *data, uint_t nelements) 24717c478bd9Sstevel@tonic-gate { 24727c478bd9Sstevel@tonic-gate int i; 24737c478bd9Sstevel@tonic-gate int *tmp; 24747c478bd9Sstevel@tonic-gate int cnt; 24757c478bd9Sstevel@tonic-gate int size; 24767c478bd9Sstevel@tonic-gate 24777c478bd9Sstevel@tonic-gate /* 24787c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 24797c478bd9Sstevel@tonic-gate */ 24807c478bd9Sstevel@tonic-gate if (nelements == 0) 24817c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24827c478bd9Sstevel@tonic-gate 24837c478bd9Sstevel@tonic-gate /* 24847c478bd9Sstevel@tonic-gate * Get the size of an encoded int. 24857c478bd9Sstevel@tonic-gate */ 24867c478bd9Sstevel@tonic-gate size = DDI_PROP_INT(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 24877c478bd9Sstevel@tonic-gate 24887c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 24897c478bd9Sstevel@tonic-gate switch (size) { 24907c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24917c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24947c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24957c478bd9Sstevel@tonic-gate } 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate 24987c478bd9Sstevel@tonic-gate /* 24997c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 25007c478bd9Sstevel@tonic-gate */ 25017c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 2502184cd04cScth DDI_PROP_SUCCESS) 25037c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 25047c478bd9Sstevel@tonic-gate 25057c478bd9Sstevel@tonic-gate /* 25067c478bd9Sstevel@tonic-gate * Encode the array of ints. 25077c478bd9Sstevel@tonic-gate */ 25087c478bd9Sstevel@tonic-gate tmp = (int *)data; 25097c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 25107c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_ENCODE, tmp); 25117c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 25127c478bd9Sstevel@tonic-gate switch (i) { 25137c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25147c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25177c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25187c478bd9Sstevel@tonic-gate } 25197c478bd9Sstevel@tonic-gate } 25207c478bd9Sstevel@tonic-gate } 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 25237c478bd9Sstevel@tonic-gate } 25247c478bd9Sstevel@tonic-gate 25257c478bd9Sstevel@tonic-gate 25267c478bd9Sstevel@tonic-gate /* 25277c478bd9Sstevel@tonic-gate * Encode a 64 bit integer array property 25287c478bd9Sstevel@tonic-gate */ 25297c478bd9Sstevel@tonic-gate int 25307c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_int64(prop_handle_t *ph, void *data, uint_t nelements) 25317c478bd9Sstevel@tonic-gate { 25327c478bd9Sstevel@tonic-gate int i; 25337c478bd9Sstevel@tonic-gate int cnt; 25347c478bd9Sstevel@tonic-gate int size; 25357c478bd9Sstevel@tonic-gate int64_t *tmp; 25367c478bd9Sstevel@tonic-gate 25377c478bd9Sstevel@tonic-gate /* 25387c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 25397c478bd9Sstevel@tonic-gate */ 25407c478bd9Sstevel@tonic-gate if (nelements == 0) 25417c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25427c478bd9Sstevel@tonic-gate 25437c478bd9Sstevel@tonic-gate /* 25447c478bd9Sstevel@tonic-gate * Get the size of an encoded 64 bit int. 25457c478bd9Sstevel@tonic-gate */ 25467c478bd9Sstevel@tonic-gate size = DDI_PROP_INT64(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 25477c478bd9Sstevel@tonic-gate 25487c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 25497c478bd9Sstevel@tonic-gate switch (size) { 25507c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25517c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25527c478bd9Sstevel@tonic-gate 25537c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25547c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25557c478bd9Sstevel@tonic-gate } 25567c478bd9Sstevel@tonic-gate } 25577c478bd9Sstevel@tonic-gate 25587c478bd9Sstevel@tonic-gate /* 25597c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 25607c478bd9Sstevel@tonic-gate */ 25617c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 25627c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) 25637c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 25647c478bd9Sstevel@tonic-gate 25657c478bd9Sstevel@tonic-gate /* 25667c478bd9Sstevel@tonic-gate * Encode the array of ints. 25677c478bd9Sstevel@tonic-gate */ 25687c478bd9Sstevel@tonic-gate tmp = (int64_t *)data; 25697c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 25707c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_ENCODE, tmp); 25717c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 25727c478bd9Sstevel@tonic-gate switch (i) { 25737c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25747c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25777c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25787c478bd9Sstevel@tonic-gate } 25797c478bd9Sstevel@tonic-gate } 25807c478bd9Sstevel@tonic-gate } 25817c478bd9Sstevel@tonic-gate 25827c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 25837c478bd9Sstevel@tonic-gate } 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate /* 25867c478bd9Sstevel@tonic-gate * Decode a single string property 25877c478bd9Sstevel@tonic-gate */ 25887c478bd9Sstevel@tonic-gate static int 25897c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_string(prop_handle_t *ph, void *data, uint_t *nelements) 25907c478bd9Sstevel@tonic-gate { 25917c478bd9Sstevel@tonic-gate char *tmp; 25927c478bd9Sstevel@tonic-gate char *str; 25937c478bd9Sstevel@tonic-gate int i; 25947c478bd9Sstevel@tonic-gate int size; 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate /* 25977c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 25987c478bd9Sstevel@tonic-gate */ 25997c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 26007c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26017c478bd9Sstevel@tonic-gate 26027c478bd9Sstevel@tonic-gate /* 26037c478bd9Sstevel@tonic-gate * Get the decoded size of the encoded string. 26047c478bd9Sstevel@tonic-gate */ 26057c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 26067c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 26077c478bd9Sstevel@tonic-gate switch (size) { 26087c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26097c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26107c478bd9Sstevel@tonic-gate 26117c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26127c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26137c478bd9Sstevel@tonic-gate } 26147c478bd9Sstevel@tonic-gate } 26157c478bd9Sstevel@tonic-gate 26167c478bd9Sstevel@tonic-gate /* 26177c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 26187c478bd9Sstevel@tonic-gate */ 26197c478bd9Sstevel@tonic-gate str = ddi_prop_decode_alloc((size_t)size, ddi_prop_free_string); 26207c478bd9Sstevel@tonic-gate 26217c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26227c478bd9Sstevel@tonic-gate 26237c478bd9Sstevel@tonic-gate /* 26247c478bd9Sstevel@tonic-gate * Decode the str and place it in the space we just allocated 26257c478bd9Sstevel@tonic-gate */ 26267c478bd9Sstevel@tonic-gate tmp = str; 26277c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, tmp); 26287c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 26297c478bd9Sstevel@tonic-gate /* 26307c478bd9Sstevel@tonic-gate * Free the space we just allocated 26317c478bd9Sstevel@tonic-gate * and return an error. 26327c478bd9Sstevel@tonic-gate */ 26337c478bd9Sstevel@tonic-gate ddi_prop_free(str); 26347c478bd9Sstevel@tonic-gate switch (i) { 26357c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26367c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26377c478bd9Sstevel@tonic-gate 26387c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26397c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26407c478bd9Sstevel@tonic-gate } 26417c478bd9Sstevel@tonic-gate } 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate *(char **)data = str; 26447c478bd9Sstevel@tonic-gate *nelements = 1; 26457c478bd9Sstevel@tonic-gate 26467c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 26477c478bd9Sstevel@tonic-gate } 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate /* 26507c478bd9Sstevel@tonic-gate * Decode an array of strings. 26517c478bd9Sstevel@tonic-gate */ 26527c478bd9Sstevel@tonic-gate int 26537c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_strings(prop_handle_t *ph, void *data, uint_t *nelements) 26547c478bd9Sstevel@tonic-gate { 26557c478bd9Sstevel@tonic-gate int cnt = 0; 26567c478bd9Sstevel@tonic-gate char **strs; 26577c478bd9Sstevel@tonic-gate char **tmp; 26587c478bd9Sstevel@tonic-gate char *ptr; 26597c478bd9Sstevel@tonic-gate int i; 26607c478bd9Sstevel@tonic-gate int n; 26617c478bd9Sstevel@tonic-gate int size; 26627c478bd9Sstevel@tonic-gate size_t nbytes; 26637c478bd9Sstevel@tonic-gate 26647c478bd9Sstevel@tonic-gate /* 26657c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 26667c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 26677c478bd9Sstevel@tonic-gate */ 26687c478bd9Sstevel@tonic-gate for (;;) { 26697c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_SKIP, NULL); 26707c478bd9Sstevel@tonic-gate if (i < 0) 26717c478bd9Sstevel@tonic-gate break; 26727c478bd9Sstevel@tonic-gate cnt++; 26737c478bd9Sstevel@tonic-gate } 26747c478bd9Sstevel@tonic-gate 26757c478bd9Sstevel@tonic-gate /* 26767c478bd9Sstevel@tonic-gate * If there are no elements return an error 26777c478bd9Sstevel@tonic-gate */ 26787c478bd9Sstevel@tonic-gate if (cnt == 0) 26797c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26807c478bd9Sstevel@tonic-gate 26817c478bd9Sstevel@tonic-gate /* 26827c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 26837c478bd9Sstevel@tonic-gate */ 26847c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 26857c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26867c478bd9Sstevel@tonic-gate 26877c478bd9Sstevel@tonic-gate /* 26887c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 26897c478bd9Sstevel@tonic-gate */ 26907c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate /* 26937c478bd9Sstevel@tonic-gate * Figure out how much memory we need for the sum total 26947c478bd9Sstevel@tonic-gate */ 26957c478bd9Sstevel@tonic-gate nbytes = (cnt + 1) * sizeof (char *); 26967c478bd9Sstevel@tonic-gate 26977c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++) { 26987c478bd9Sstevel@tonic-gate /* 26997c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 27007c478bd9Sstevel@tonic-gate */ 27017c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 27027c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27037c478bd9Sstevel@tonic-gate switch (size) { 27047c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27057c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27067c478bd9Sstevel@tonic-gate 27077c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27087c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27097c478bd9Sstevel@tonic-gate } 27107c478bd9Sstevel@tonic-gate } 27117c478bd9Sstevel@tonic-gate 27127c478bd9Sstevel@tonic-gate nbytes += size; 27137c478bd9Sstevel@tonic-gate } 27147c478bd9Sstevel@tonic-gate 27157c478bd9Sstevel@tonic-gate /* 27167c478bd9Sstevel@tonic-gate * Allocate memory in which to store the decoded strings. 27177c478bd9Sstevel@tonic-gate */ 27187c478bd9Sstevel@tonic-gate strs = ddi_prop_decode_alloc(nbytes, ddi_prop_free_strings); 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate /* 27217c478bd9Sstevel@tonic-gate * Set up pointers for each string by figuring out yet 27227c478bd9Sstevel@tonic-gate * again how long each string is. 27237c478bd9Sstevel@tonic-gate */ 27247c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27257c478bd9Sstevel@tonic-gate ptr = (caddr_t)strs + ((cnt + 1) * sizeof (char *)); 27267c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27277c478bd9Sstevel@tonic-gate /* 27287c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 27297c478bd9Sstevel@tonic-gate */ 27307c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 27317c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27327c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27337c478bd9Sstevel@tonic-gate switch (size) { 27347c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27357c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27367c478bd9Sstevel@tonic-gate 27377c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27387c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27397c478bd9Sstevel@tonic-gate } 27407c478bd9Sstevel@tonic-gate } 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate *tmp = ptr; 27437c478bd9Sstevel@tonic-gate ptr += size; 27447c478bd9Sstevel@tonic-gate } 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate /* 27477c478bd9Sstevel@tonic-gate * String array is terminated by a NULL 27487c478bd9Sstevel@tonic-gate */ 27497c478bd9Sstevel@tonic-gate *tmp = NULL; 27507c478bd9Sstevel@tonic-gate 27517c478bd9Sstevel@tonic-gate /* 27527c478bd9Sstevel@tonic-gate * Finally, we can decode each string 27537c478bd9Sstevel@tonic-gate */ 27547c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27557c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27567c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, *tmp); 27577c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 27587c478bd9Sstevel@tonic-gate /* 27597c478bd9Sstevel@tonic-gate * Free the space we just allocated 27607c478bd9Sstevel@tonic-gate * and return an error 27617c478bd9Sstevel@tonic-gate */ 27627c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27637c478bd9Sstevel@tonic-gate switch (i) { 27647c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27657c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27667c478bd9Sstevel@tonic-gate 27677c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27687c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27697c478bd9Sstevel@tonic-gate } 27707c478bd9Sstevel@tonic-gate } 27717c478bd9Sstevel@tonic-gate } 27727c478bd9Sstevel@tonic-gate 27737c478bd9Sstevel@tonic-gate *(char ***)data = strs; 27747c478bd9Sstevel@tonic-gate *nelements = cnt; 27757c478bd9Sstevel@tonic-gate 27767c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 27777c478bd9Sstevel@tonic-gate } 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate /* 27807c478bd9Sstevel@tonic-gate * Encode a string. 27817c478bd9Sstevel@tonic-gate */ 27827c478bd9Sstevel@tonic-gate int 27837c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string(prop_handle_t *ph, void *data, uint_t nelements) 27847c478bd9Sstevel@tonic-gate { 27857c478bd9Sstevel@tonic-gate char **tmp; 27867c478bd9Sstevel@tonic-gate int size; 27877c478bd9Sstevel@tonic-gate int i; 27887c478bd9Sstevel@tonic-gate 27897c478bd9Sstevel@tonic-gate /* 27907c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 27917c478bd9Sstevel@tonic-gate */ 27927c478bd9Sstevel@tonic-gate if (nelements == 0) 27937c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 27947c478bd9Sstevel@tonic-gate 27957c478bd9Sstevel@tonic-gate /* 27967c478bd9Sstevel@tonic-gate * Get the size of the encoded string. 27977c478bd9Sstevel@tonic-gate */ 27987c478bd9Sstevel@tonic-gate tmp = (char **)data; 27997c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 28007c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 28017c478bd9Sstevel@tonic-gate switch (size) { 28027c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28037c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28047c478bd9Sstevel@tonic-gate 28057c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28067c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28077c478bd9Sstevel@tonic-gate } 28087c478bd9Sstevel@tonic-gate } 28097c478bd9Sstevel@tonic-gate 28107c478bd9Sstevel@tonic-gate /* 28117c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded string. 28127c478bd9Sstevel@tonic-gate */ 28137c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size) != DDI_PROP_SUCCESS) 28147c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 28157c478bd9Sstevel@tonic-gate 28167c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 28177c478bd9Sstevel@tonic-gate 28187c478bd9Sstevel@tonic-gate /* 28197c478bd9Sstevel@tonic-gate * Encode the string. 28207c478bd9Sstevel@tonic-gate */ 28217c478bd9Sstevel@tonic-gate tmp = (char **)data; 28227c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 28237c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 28247c478bd9Sstevel@tonic-gate switch (i) { 28257c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28267c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28277c478bd9Sstevel@tonic-gate 28287c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28297c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28307c478bd9Sstevel@tonic-gate } 28317c478bd9Sstevel@tonic-gate } 28327c478bd9Sstevel@tonic-gate 28337c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 28347c478bd9Sstevel@tonic-gate } 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate 28377c478bd9Sstevel@tonic-gate /* 28387c478bd9Sstevel@tonic-gate * Encode an array of strings. 28397c478bd9Sstevel@tonic-gate */ 28407c478bd9Sstevel@tonic-gate int 28417c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings(prop_handle_t *ph, void *data, uint_t nelements) 28427c478bd9Sstevel@tonic-gate { 28437c478bd9Sstevel@tonic-gate int cnt = 0; 28447c478bd9Sstevel@tonic-gate char **tmp; 28457c478bd9Sstevel@tonic-gate int size; 28467c478bd9Sstevel@tonic-gate uint_t total_size; 28477c478bd9Sstevel@tonic-gate int i; 28487c478bd9Sstevel@tonic-gate 28497c478bd9Sstevel@tonic-gate /* 28507c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 28517c478bd9Sstevel@tonic-gate */ 28527c478bd9Sstevel@tonic-gate if (nelements == 0) 28537c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28547c478bd9Sstevel@tonic-gate 28557c478bd9Sstevel@tonic-gate /* 28567c478bd9Sstevel@tonic-gate * Get the total size required to encode all the strings. 28577c478bd9Sstevel@tonic-gate */ 28587c478bd9Sstevel@tonic-gate total_size = 0; 28597c478bd9Sstevel@tonic-gate tmp = (char **)data; 28607c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28617c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 28627c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 28637c478bd9Sstevel@tonic-gate switch (size) { 28647c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28657c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28687c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28697c478bd9Sstevel@tonic-gate } 28707c478bd9Sstevel@tonic-gate } 28717c478bd9Sstevel@tonic-gate total_size += (uint_t)size; 28727c478bd9Sstevel@tonic-gate } 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate /* 28757c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded strings. 28767c478bd9Sstevel@tonic-gate */ 28777c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, total_size) != DDI_PROP_SUCCESS) 28787c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 28817c478bd9Sstevel@tonic-gate 28827c478bd9Sstevel@tonic-gate /* 28837c478bd9Sstevel@tonic-gate * Encode the array of strings. 28847c478bd9Sstevel@tonic-gate */ 28857c478bd9Sstevel@tonic-gate tmp = (char **)data; 28867c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28877c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 28887c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 28897c478bd9Sstevel@tonic-gate switch (i) { 28907c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28917c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28927c478bd9Sstevel@tonic-gate 28937c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28947c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28957c478bd9Sstevel@tonic-gate } 28967c478bd9Sstevel@tonic-gate } 28977c478bd9Sstevel@tonic-gate } 28987c478bd9Sstevel@tonic-gate 28997c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate 29037c478bd9Sstevel@tonic-gate /* 29047c478bd9Sstevel@tonic-gate * Decode an array of bytes. 29057c478bd9Sstevel@tonic-gate */ 29067c478bd9Sstevel@tonic-gate static int 29077c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_bytes(prop_handle_t *ph, void *data, uint_t *nelements) 29087c478bd9Sstevel@tonic-gate { 29097c478bd9Sstevel@tonic-gate uchar_t *tmp; 29107c478bd9Sstevel@tonic-gate int nbytes; 29117c478bd9Sstevel@tonic-gate int i; 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate /* 29147c478bd9Sstevel@tonic-gate * If there are no elements return an error 29157c478bd9Sstevel@tonic-gate */ 29167c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 29177c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate /* 29207c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 29217c478bd9Sstevel@tonic-gate */ 29227c478bd9Sstevel@tonic-gate nbytes = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_DSIZE, 2923184cd04cScth data, ph->ph_size); 29247c478bd9Sstevel@tonic-gate if (nbytes < DDI_PROP_RESULT_OK) { 29257c478bd9Sstevel@tonic-gate switch (nbytes) { 29267c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29277c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29287c478bd9Sstevel@tonic-gate 29297c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29307c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29317c478bd9Sstevel@tonic-gate } 29327c478bd9Sstevel@tonic-gate } 29337c478bd9Sstevel@tonic-gate 29347c478bd9Sstevel@tonic-gate /* 29357c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 29367c478bd9Sstevel@tonic-gate */ 29377c478bd9Sstevel@tonic-gate tmp = ddi_prop_decode_alloc(nbytes, ddi_prop_free_bytes); 29387c478bd9Sstevel@tonic-gate 29397c478bd9Sstevel@tonic-gate /* 29407c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 29417c478bd9Sstevel@tonic-gate */ 29427c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_DECODE, tmp, nbytes); 29437c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 29447c478bd9Sstevel@tonic-gate /* 29457c478bd9Sstevel@tonic-gate * Free the space we just allocated 29467c478bd9Sstevel@tonic-gate * and return an error 29477c478bd9Sstevel@tonic-gate */ 29487c478bd9Sstevel@tonic-gate ddi_prop_free(tmp); 29497c478bd9Sstevel@tonic-gate switch (i) { 29507c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29517c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29527c478bd9Sstevel@tonic-gate 29537c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29547c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29557c478bd9Sstevel@tonic-gate } 29567c478bd9Sstevel@tonic-gate } 29577c478bd9Sstevel@tonic-gate 29587c478bd9Sstevel@tonic-gate *(uchar_t **)data = tmp; 29597c478bd9Sstevel@tonic-gate *nelements = nbytes; 29607c478bd9Sstevel@tonic-gate 29617c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29627c478bd9Sstevel@tonic-gate } 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate /* 29657c478bd9Sstevel@tonic-gate * Encode an array of bytes. 29667c478bd9Sstevel@tonic-gate */ 29677c478bd9Sstevel@tonic-gate int 29687c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_bytes(prop_handle_t *ph, void *data, uint_t nelements) 29697c478bd9Sstevel@tonic-gate { 29707c478bd9Sstevel@tonic-gate int size; 29717c478bd9Sstevel@tonic-gate int i; 29727c478bd9Sstevel@tonic-gate 29737c478bd9Sstevel@tonic-gate /* 29747c478bd9Sstevel@tonic-gate * If there are no elements, then this is a boolean property, 29757c478bd9Sstevel@tonic-gate * so just create a property handle with no data and return. 29767c478bd9Sstevel@tonic-gate */ 29777c478bd9Sstevel@tonic-gate if (nelements == 0) { 29787c478bd9Sstevel@tonic-gate (void) ddi_prop_encode_alloc(ph, 0); 29797c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29807c478bd9Sstevel@tonic-gate } 29817c478bd9Sstevel@tonic-gate 29827c478bd9Sstevel@tonic-gate /* 29837c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 29847c478bd9Sstevel@tonic-gate */ 29857c478bd9Sstevel@tonic-gate size = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_ESIZE, (uchar_t *)data, 2986184cd04cScth nelements); 29877c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 29887c478bd9Sstevel@tonic-gate switch (size) { 29897c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29907c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29917c478bd9Sstevel@tonic-gate 29927c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29937c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate } 29967c478bd9Sstevel@tonic-gate 29977c478bd9Sstevel@tonic-gate /* 29987c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded bytes. 29997c478bd9Sstevel@tonic-gate */ 30007c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, (uint_t)size) != DDI_PROP_SUCCESS) 30017c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 30027c478bd9Sstevel@tonic-gate 30037c478bd9Sstevel@tonic-gate /* 30047c478bd9Sstevel@tonic-gate * Encode the array of bytes. 30057c478bd9Sstevel@tonic-gate */ 30067c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_ENCODE, (uchar_t *)data, 3007184cd04cScth nelements); 30087c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 30097c478bd9Sstevel@tonic-gate switch (i) { 30107c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 30117c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 30127c478bd9Sstevel@tonic-gate 30137c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 30147c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 30157c478bd9Sstevel@tonic-gate } 30167c478bd9Sstevel@tonic-gate } 30177c478bd9Sstevel@tonic-gate 30187c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 30197c478bd9Sstevel@tonic-gate } 30207c478bd9Sstevel@tonic-gate 30217c478bd9Sstevel@tonic-gate /* 30227c478bd9Sstevel@tonic-gate * OBP 1275 integer, string and byte operators. 30237c478bd9Sstevel@tonic-gate * 30247c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_DECODE: 30257c478bd9Sstevel@tonic-gate * 30267c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot decode the data 30277c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30287c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was decoded 30297c478bd9Sstevel@tonic-gate * 30307c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_ENCODE: 30317c478bd9Sstevel@tonic-gate * 30327c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot encode the data 30337c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30347c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was encoded 30357c478bd9Sstevel@tonic-gate * 30367c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_SKIP: 30377c478bd9Sstevel@tonic-gate * 30387c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot skip the data 30397c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30407c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was skipped 30417c478bd9Sstevel@tonic-gate * 30427c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_ESIZE: 30437c478bd9Sstevel@tonic-gate * 30447c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get encoded size 30457c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30467c478bd9Sstevel@tonic-gate * > 0: the encoded size 30477c478bd9Sstevel@tonic-gate * 30487c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_DSIZE: 30497c478bd9Sstevel@tonic-gate * 30507c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get decoded size 30517c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30527c478bd9Sstevel@tonic-gate * > 0: the decoded size 30537c478bd9Sstevel@tonic-gate */ 30547c478bd9Sstevel@tonic-gate 30557c478bd9Sstevel@tonic-gate /* 30567c478bd9Sstevel@tonic-gate * OBP 1275 integer operator 30577c478bd9Sstevel@tonic-gate * 30587c478bd9Sstevel@tonic-gate * OBP properties are a byte stream of data, so integers may not be 30597c478bd9Sstevel@tonic-gate * properly aligned. Therefore we need to copy them one byte at a time. 30607c478bd9Sstevel@tonic-gate */ 30617c478bd9Sstevel@tonic-gate int 30627c478bd9Sstevel@tonic-gate ddi_prop_1275_int(prop_handle_t *ph, uint_t cmd, int *data) 30637c478bd9Sstevel@tonic-gate { 30647c478bd9Sstevel@tonic-gate int i; 30657c478bd9Sstevel@tonic-gate 30667c478bd9Sstevel@tonic-gate switch (cmd) { 30677c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 30687c478bd9Sstevel@tonic-gate /* 30697c478bd9Sstevel@tonic-gate * Check that there is encoded data 30707c478bd9Sstevel@tonic-gate */ 30717c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 30727c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30737c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30747c478bd9Sstevel@tonic-gate i = MIN(ph->ph_size, PROP_1275_INT_SIZE); 30757c478bd9Sstevel@tonic-gate if ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3076184cd04cScth ph->ph_size - i)) 30777c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30787c478bd9Sstevel@tonic-gate } else { 30797c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int) || 3080184cd04cScth ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3081184cd04cScth ph->ph_size - sizeof (int)))) 3082184cd04cScth return (DDI_PROP_RESULT_ERROR); 30837c478bd9Sstevel@tonic-gate } 30847c478bd9Sstevel@tonic-gate 30857c478bd9Sstevel@tonic-gate /* 30867c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 30877c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 30887c478bd9Sstevel@tonic-gate */ 30897c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30907c478bd9Sstevel@tonic-gate *data = impl_ddi_prop_int_from_prom( 3091184cd04cScth (uchar_t *)ph->ph_cur_pos, 3092184cd04cScth (ph->ph_size < PROP_1275_INT_SIZE) ? 3093184cd04cScth ph->ph_size : PROP_1275_INT_SIZE); 30947c478bd9Sstevel@tonic-gate } else { 30957c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int)); 30967c478bd9Sstevel@tonic-gate } 30977c478bd9Sstevel@tonic-gate 30987c478bd9Sstevel@tonic-gate /* 30997c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 31007c478bd9Sstevel@tonic-gate * bit of undecoded data. 31017c478bd9Sstevel@tonic-gate */ 31027c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 3103184cd04cScth PROP_1275_INT_SIZE; 31047c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31057c478bd9Sstevel@tonic-gate 31067c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 31077c478bd9Sstevel@tonic-gate /* 31087c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 31097c478bd9Sstevel@tonic-gate */ 31107c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3111184cd04cScth ph->ph_size < PROP_1275_INT_SIZE || 3112184cd04cScth ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 3113184cd04cScth ph->ph_size - sizeof (int)))) 31147c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31157c478bd9Sstevel@tonic-gate 31167c478bd9Sstevel@tonic-gate /* 31177c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 31187c478bd9Sstevel@tonic-gate * time. 31197c478bd9Sstevel@tonic-gate */ 31207c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int)); 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate /* 31237c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 31247c478bd9Sstevel@tonic-gate * space where we can store encoded data. 31257c478bd9Sstevel@tonic-gate */ 31267c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31277c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31287c478bd9Sstevel@tonic-gate 31297c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 31307c478bd9Sstevel@tonic-gate /* 31317c478bd9Sstevel@tonic-gate * Check that there is encoded data 31327c478bd9Sstevel@tonic-gate */ 31337c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3134184cd04cScth ph->ph_size < PROP_1275_INT_SIZE) 31357c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31367c478bd9Sstevel@tonic-gate 31377c478bd9Sstevel@tonic-gate 31387c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 3139184cd04cScth (caddr_t)ph->ph_data + ph->ph_size) { 31407c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 31417c478bd9Sstevel@tonic-gate } else 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 } 31457c478bd9Sstevel@tonic-gate 31467c478bd9Sstevel@tonic-gate /* 31477c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 31487c478bd9Sstevel@tonic-gate * undecoded data. 31497c478bd9Sstevel@tonic-gate */ 31507c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31517c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31527c478bd9Sstevel@tonic-gate 31537c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 31547c478bd9Sstevel@tonic-gate /* 31557c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 31567c478bd9Sstevel@tonic-gate */ 31577c478bd9Sstevel@tonic-gate return (PROP_1275_INT_SIZE); 31587c478bd9Sstevel@tonic-gate 31597c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 31607c478bd9Sstevel@tonic-gate /* 31617c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 31627c478bd9Sstevel@tonic-gate */ 31637c478bd9Sstevel@tonic-gate return (sizeof (int)); 31647c478bd9Sstevel@tonic-gate 31657c478bd9Sstevel@tonic-gate default: 31667c478bd9Sstevel@tonic-gate #ifdef DEBUG 31677c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_int: %x impossible", cmd); 31687c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 31697c478bd9Sstevel@tonic-gate #else 31707c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31717c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 31727c478bd9Sstevel@tonic-gate } 31737c478bd9Sstevel@tonic-gate } 31747c478bd9Sstevel@tonic-gate 31757c478bd9Sstevel@tonic-gate /* 31767c478bd9Sstevel@tonic-gate * 64 bit integer operator. 31777c478bd9Sstevel@tonic-gate * 31787c478bd9Sstevel@tonic-gate * This is an extension, defined by Sun, to the 1275 integer 31797c478bd9Sstevel@tonic-gate * operator. This routine handles the encoding/decoding of 31807c478bd9Sstevel@tonic-gate * 64 bit integer properties. 31817c478bd9Sstevel@tonic-gate */ 31827c478bd9Sstevel@tonic-gate int 31837c478bd9Sstevel@tonic-gate ddi_prop_int64_op(prop_handle_t *ph, uint_t cmd, int64_t *data) 31847c478bd9Sstevel@tonic-gate { 31857c478bd9Sstevel@tonic-gate 31867c478bd9Sstevel@tonic-gate switch (cmd) { 31877c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 31887c478bd9Sstevel@tonic-gate /* 31897c478bd9Sstevel@tonic-gate * Check that there is encoded data 31907c478bd9Sstevel@tonic-gate */ 31917c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 31927c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31937c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 31947c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31957c478bd9Sstevel@tonic-gate } else { 31967c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int64_t) || 31977c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > 31987c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_data + 31997c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 32007c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32017c478bd9Sstevel@tonic-gate } 32027c478bd9Sstevel@tonic-gate /* 32037c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 32047c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 32057c478bd9Sstevel@tonic-gate */ 32067c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 32077c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32087c478bd9Sstevel@tonic-gate } else { 32097c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int64_t)); 32107c478bd9Sstevel@tonic-gate } 32117c478bd9Sstevel@tonic-gate 32127c478bd9Sstevel@tonic-gate /* 32137c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 32147c478bd9Sstevel@tonic-gate * bit of undecoded data. 32157c478bd9Sstevel@tonic-gate */ 32167c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32177c478bd9Sstevel@tonic-gate sizeof (int64_t); 32187c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32197c478bd9Sstevel@tonic-gate 32207c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 32217c478bd9Sstevel@tonic-gate /* 32227c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 32237c478bd9Sstevel@tonic-gate */ 32247c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 32257c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t) || 32267c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > ((int64_t *)ph->ph_data + 32277c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 32287c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32297c478bd9Sstevel@tonic-gate 32307c478bd9Sstevel@tonic-gate /* 32317c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 32327c478bd9Sstevel@tonic-gate * time. 32337c478bd9Sstevel@tonic-gate */ 32347c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int64_t)); 32357c478bd9Sstevel@tonic-gate 32367c478bd9Sstevel@tonic-gate /* 32377c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 32387c478bd9Sstevel@tonic-gate * space where we can store encoded data. 32397c478bd9Sstevel@tonic-gate */ 32407c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32417c478bd9Sstevel@tonic-gate sizeof (int64_t); 32427c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32437c478bd9Sstevel@tonic-gate 32447c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 32457c478bd9Sstevel@tonic-gate /* 32467c478bd9Sstevel@tonic-gate * Check that there is encoded data 32477c478bd9Sstevel@tonic-gate */ 32487c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 32497c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t)) 32507c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32517c478bd9Sstevel@tonic-gate 32527c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 32537c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 32547c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 32557c478bd9Sstevel@tonic-gate } else 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 } 32597c478bd9Sstevel@tonic-gate 32607c478bd9Sstevel@tonic-gate /* 32617c478bd9Sstevel@tonic-gate * Move the current location to the start of 32627c478bd9Sstevel@tonic-gate * the next bit of undecoded data. 32637c478bd9Sstevel@tonic-gate */ 32647c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32657c478bd9Sstevel@tonic-gate sizeof (int64_t); 32667c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32677c478bd9Sstevel@tonic-gate 32687c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 32697c478bd9Sstevel@tonic-gate /* 32707c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 32717c478bd9Sstevel@tonic-gate */ 32727c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32737c478bd9Sstevel@tonic-gate 32747c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 32757c478bd9Sstevel@tonic-gate /* 32767c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 32777c478bd9Sstevel@tonic-gate */ 32787c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32797c478bd9Sstevel@tonic-gate 32807c478bd9Sstevel@tonic-gate default: 32817c478bd9Sstevel@tonic-gate #ifdef DEBUG 32827c478bd9Sstevel@tonic-gate panic("ddi_prop_int64_op: %x impossible", cmd); 32837c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 32847c478bd9Sstevel@tonic-gate #else 32857c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32867c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 32877c478bd9Sstevel@tonic-gate } 32887c478bd9Sstevel@tonic-gate } 32897c478bd9Sstevel@tonic-gate 32907c478bd9Sstevel@tonic-gate /* 32917c478bd9Sstevel@tonic-gate * OBP 1275 string operator. 32927c478bd9Sstevel@tonic-gate * 32937c478bd9Sstevel@tonic-gate * OBP strings are NULL terminated. 32947c478bd9Sstevel@tonic-gate */ 32957c478bd9Sstevel@tonic-gate int 32967c478bd9Sstevel@tonic-gate ddi_prop_1275_string(prop_handle_t *ph, uint_t cmd, char *data) 32977c478bd9Sstevel@tonic-gate { 32987c478bd9Sstevel@tonic-gate int n; 32997c478bd9Sstevel@tonic-gate char *p; 33007c478bd9Sstevel@tonic-gate char *end; 33017c478bd9Sstevel@tonic-gate 33027c478bd9Sstevel@tonic-gate switch (cmd) { 33037c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 33047c478bd9Sstevel@tonic-gate /* 33057c478bd9Sstevel@tonic-gate * Check that there is encoded data 33067c478bd9Sstevel@tonic-gate */ 33077c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33087c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33097c478bd9Sstevel@tonic-gate } 33107c478bd9Sstevel@tonic-gate 33117c478bd9Sstevel@tonic-gate /* 33129e1bcca2Scth * Match DDI_PROP_CMD_GET_DSIZE logic for when to stop and 33139e1bcca2Scth * how to NULL terminate result. 33147c478bd9Sstevel@tonic-gate */ 33159e1bcca2Scth p = (char *)ph->ph_cur_pos; 33169e1bcca2Scth end = (char *)ph->ph_data + ph->ph_size; 33179e1bcca2Scth if (p >= end) 33189e1bcca2Scth return (DDI_PROP_RESULT_EOF); 33199e1bcca2Scth 33209e1bcca2Scth while (p < end) { 33219e1bcca2Scth *data++ = *p; 33229e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 33239e1bcca2Scth ph->ph_cur_pos = p; 33249e1bcca2Scth return (DDI_PROP_RESULT_OK); 33259e1bcca2Scth } 33269e1bcca2Scth } 33277c478bd9Sstevel@tonic-gate 33287c478bd9Sstevel@tonic-gate /* 33299e1bcca2Scth * If OBP did not NULL terminate string, which happens 33309e1bcca2Scth * (at least) for 'true'/'false' boolean values, account for 33319e1bcca2Scth * the space and store null termination on decode. 33327c478bd9Sstevel@tonic-gate */ 33339e1bcca2Scth ph->ph_cur_pos = p; 33349e1bcca2Scth *data = 0; 33357c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33367c478bd9Sstevel@tonic-gate 33377c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 33387c478bd9Sstevel@tonic-gate /* 33397c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 33407c478bd9Sstevel@tonic-gate */ 33417c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33427c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33437c478bd9Sstevel@tonic-gate } 33447c478bd9Sstevel@tonic-gate 33457c478bd9Sstevel@tonic-gate n = strlen(data) + 1; 33467c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3347184cd04cScth ph->ph_size - n)) { 33487c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33497c478bd9Sstevel@tonic-gate } 33507c478bd9Sstevel@tonic-gate 33517c478bd9Sstevel@tonic-gate /* 33527c478bd9Sstevel@tonic-gate * Copy the NULL terminated string 33537c478bd9Sstevel@tonic-gate */ 33547c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, n); 33557c478bd9Sstevel@tonic-gate 33567c478bd9Sstevel@tonic-gate /* 33577c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 33587c478bd9Sstevel@tonic-gate * space where we can store encoded data. 33597c478bd9Sstevel@tonic-gate */ 33607c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + n; 33617c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33627c478bd9Sstevel@tonic-gate 33637c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 33647c478bd9Sstevel@tonic-gate /* 33657c478bd9Sstevel@tonic-gate * Check that there is encoded data 33667c478bd9Sstevel@tonic-gate */ 33677c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33687c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33697c478bd9Sstevel@tonic-gate } 33707c478bd9Sstevel@tonic-gate 33717c478bd9Sstevel@tonic-gate /* 33727c478bd9Sstevel@tonic-gate * Return the string length plus one for the NULL 33737c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 33747c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 33757c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 33767c478bd9Sstevel@tonic-gate */ 33777c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 33787c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 33799e1bcca2Scth if (p >= end) 33807c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 33817c478bd9Sstevel@tonic-gate 33829e1bcca2Scth while (p < end) { 33839e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 33847c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 33857c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33867c478bd9Sstevel@tonic-gate } 33877c478bd9Sstevel@tonic-gate } 33887c478bd9Sstevel@tonic-gate 33899e1bcca2Scth /* 33909e1bcca2Scth * Accommodate the fact that OBP does not always NULL 33919e1bcca2Scth * terminate strings. 33929e1bcca2Scth */ 33939e1bcca2Scth ph->ph_cur_pos = p; 33949e1bcca2Scth return (DDI_PROP_RESULT_OK); 33957c478bd9Sstevel@tonic-gate 33967c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 33977c478bd9Sstevel@tonic-gate /* 33987c478bd9Sstevel@tonic-gate * Return the size of the encoded string on OBP. 33997c478bd9Sstevel@tonic-gate */ 34007c478bd9Sstevel@tonic-gate return (strlen(data) + 1); 34017c478bd9Sstevel@tonic-gate 34027c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 34037c478bd9Sstevel@tonic-gate /* 34049e1bcca2Scth * Return the string length plus one for the NULL. 34057c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 34067c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 34077c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 34087c478bd9Sstevel@tonic-gate */ 34097c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 34107c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 34119e1bcca2Scth if (p >= end) 34129e1bcca2Scth return (DDI_PROP_RESULT_EOF); 34139e1bcca2Scth 34147c478bd9Sstevel@tonic-gate for (n = 0; p < end; n++) { 34159e1bcca2Scth if (*p++ == 0) { /* NULL from OBP */ 34167c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 34179e1bcca2Scth return (n + 1); 34187c478bd9Sstevel@tonic-gate } 34197c478bd9Sstevel@tonic-gate } 34209e1bcca2Scth 34219e1bcca2Scth /* 34229e1bcca2Scth * If OBP did not NULL terminate string, which happens for 34239e1bcca2Scth * 'true'/'false' boolean values, account for the space 34249e1bcca2Scth * to store null termination here. 34259e1bcca2Scth */ 34269e1bcca2Scth ph->ph_cur_pos = p; 34279e1bcca2Scth return (n + 1); 34287c478bd9Sstevel@tonic-gate 34297c478bd9Sstevel@tonic-gate default: 34307c478bd9Sstevel@tonic-gate #ifdef DEBUG 34317c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_string: %x impossible", cmd); 34327c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 34337c478bd9Sstevel@tonic-gate #else 34347c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34357c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 34367c478bd9Sstevel@tonic-gate } 34377c478bd9Sstevel@tonic-gate } 34387c478bd9Sstevel@tonic-gate 34397c478bd9Sstevel@tonic-gate /* 34407c478bd9Sstevel@tonic-gate * OBP 1275 byte operator 34417c478bd9Sstevel@tonic-gate * 34427c478bd9Sstevel@tonic-gate * Caller must specify the number of bytes to get. OBP encodes bytes 34437c478bd9Sstevel@tonic-gate * as a byte so there is a 1-to-1 translation. 34447c478bd9Sstevel@tonic-gate */ 34457c478bd9Sstevel@tonic-gate int 34467c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes(prop_handle_t *ph, uint_t cmd, uchar_t *data, 34477c478bd9Sstevel@tonic-gate uint_t nelements) 34487c478bd9Sstevel@tonic-gate { 34497c478bd9Sstevel@tonic-gate switch (cmd) { 34507c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 34517c478bd9Sstevel@tonic-gate /* 34527c478bd9Sstevel@tonic-gate * Check that there is encoded data 34537c478bd9Sstevel@tonic-gate */ 34547c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3455184cd04cScth ph->ph_size < nelements || 3456184cd04cScth ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3457184cd04cScth ph->ph_size - nelements))) 34587c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate /* 34617c478bd9Sstevel@tonic-gate * Copy out the bytes 34627c478bd9Sstevel@tonic-gate */ 34637c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, nelements); 34647c478bd9Sstevel@tonic-gate 34657c478bd9Sstevel@tonic-gate /* 34667c478bd9Sstevel@tonic-gate * Move the current location 34677c478bd9Sstevel@tonic-gate */ 34687c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34697c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 34727c478bd9Sstevel@tonic-gate /* 34737c478bd9Sstevel@tonic-gate * Check that there is room to encode the data 34747c478bd9Sstevel@tonic-gate */ 34757c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3476184cd04cScth ph->ph_size < nelements || 3477184cd04cScth ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3478184cd04cScth ph->ph_size - nelements))) 34797c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34807c478bd9Sstevel@tonic-gate 34817c478bd9Sstevel@tonic-gate /* 34827c478bd9Sstevel@tonic-gate * Copy in the bytes 34837c478bd9Sstevel@tonic-gate */ 34847c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, nelements); 34857c478bd9Sstevel@tonic-gate 34867c478bd9Sstevel@tonic-gate /* 34877c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 34887c478bd9Sstevel@tonic-gate * space where we can store encoded data. 34897c478bd9Sstevel@tonic-gate */ 34907c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34917c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34927c478bd9Sstevel@tonic-gate 34937c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 34947c478bd9Sstevel@tonic-gate /* 34957c478bd9Sstevel@tonic-gate * Check that there is encoded data 34967c478bd9Sstevel@tonic-gate */ 34977c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 3498184cd04cScth ph->ph_size < nelements) 34997c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 35007c478bd9Sstevel@tonic-gate 35017c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 3502184cd04cScth ph->ph_size - nelements)) 35037c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 35047c478bd9Sstevel@tonic-gate 35057c478bd9Sstevel@tonic-gate /* 35067c478bd9Sstevel@tonic-gate * Move the current location 35077c478bd9Sstevel@tonic-gate */ 35087c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 35097c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 35107c478bd9Sstevel@tonic-gate 35117c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 35127c478bd9Sstevel@tonic-gate /* 35137c478bd9Sstevel@tonic-gate * The size in bytes of the encoded size is the 35147c478bd9Sstevel@tonic-gate * same as the decoded size provided by the caller. 35157c478bd9Sstevel@tonic-gate */ 35167c478bd9Sstevel@tonic-gate return (nelements); 35177c478bd9Sstevel@tonic-gate 35187c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 35197c478bd9Sstevel@tonic-gate /* 35207c478bd9Sstevel@tonic-gate * Just return the number of bytes specified by the caller. 35217c478bd9Sstevel@tonic-gate */ 35227c478bd9Sstevel@tonic-gate return (nelements); 35237c478bd9Sstevel@tonic-gate 35247c478bd9Sstevel@tonic-gate default: 35257c478bd9Sstevel@tonic-gate #ifdef DEBUG 35267c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_bytes: %x impossible", cmd); 35277c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 35287c478bd9Sstevel@tonic-gate #else 35297c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 35307c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 35317c478bd9Sstevel@tonic-gate } 35327c478bd9Sstevel@tonic-gate } 35337c478bd9Sstevel@tonic-gate 35347c478bd9Sstevel@tonic-gate /* 35357c478bd9Sstevel@tonic-gate * Used for properties that come from the OBP, hardware configuration files, 35367c478bd9Sstevel@tonic-gate * or that are created by calls to ddi_prop_update(9F). 35377c478bd9Sstevel@tonic-gate */ 35387c478bd9Sstevel@tonic-gate static struct prop_handle_ops prop_1275_ops = { 35397c478bd9Sstevel@tonic-gate ddi_prop_1275_int, 35407c478bd9Sstevel@tonic-gate ddi_prop_1275_string, 35417c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes, 35427c478bd9Sstevel@tonic-gate ddi_prop_int64_op 35437c478bd9Sstevel@tonic-gate }; 35447c478bd9Sstevel@tonic-gate 35457c478bd9Sstevel@tonic-gate 35467c478bd9Sstevel@tonic-gate /* 35477c478bd9Sstevel@tonic-gate * Interface to create/modify a managed property on child's behalf... 35487c478bd9Sstevel@tonic-gate * Flags interpreted are: 35497c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Allow memory allocation to sleep. 35507c478bd9Sstevel@tonic-gate * DDI_PROP_SYSTEM_DEF: Manipulate system list rather than driver list. 35517c478bd9Sstevel@tonic-gate * 35527c478bd9Sstevel@tonic-gate * Use same dev_t when modifying or undefining a property. 35537c478bd9Sstevel@tonic-gate * Search for properties with DDI_DEV_T_ANY to match first named 35547c478bd9Sstevel@tonic-gate * property on the list. 35557c478bd9Sstevel@tonic-gate * 35567c478bd9Sstevel@tonic-gate * Properties are stored LIFO and subsequently will match the first 35577c478bd9Sstevel@tonic-gate * `matching' instance. 35587c478bd9Sstevel@tonic-gate */ 35597c478bd9Sstevel@tonic-gate 35607c478bd9Sstevel@tonic-gate /* 35617c478bd9Sstevel@tonic-gate * ddi_prop_add: Add a software defined property 35627c478bd9Sstevel@tonic-gate */ 35637c478bd9Sstevel@tonic-gate 35647c478bd9Sstevel@tonic-gate /* 35657c478bd9Sstevel@tonic-gate * define to get a new ddi_prop_t. 35667c478bd9Sstevel@tonic-gate * km_flags are KM_SLEEP or KM_NOSLEEP. 35677c478bd9Sstevel@tonic-gate */ 35687c478bd9Sstevel@tonic-gate 35697c478bd9Sstevel@tonic-gate #define DDI_NEW_PROP_T(km_flags) \ 35707c478bd9Sstevel@tonic-gate (kmem_zalloc(sizeof (ddi_prop_t), km_flags)) 35717c478bd9Sstevel@tonic-gate 35727c478bd9Sstevel@tonic-gate static int 35737c478bd9Sstevel@tonic-gate ddi_prop_add(dev_t dev, dev_info_t *dip, int flags, 35747c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 35757c478bd9Sstevel@tonic-gate { 35767c478bd9Sstevel@tonic-gate ddi_prop_t *new_propp, *propp; 35777c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 35787c478bd9Sstevel@tonic-gate int km_flags = KM_NOSLEEP; 35797c478bd9Sstevel@tonic-gate int name_buf_len; 35807c478bd9Sstevel@tonic-gate 35817c478bd9Sstevel@tonic-gate /* 35827c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero return error. 35837c478bd9Sstevel@tonic-gate */ 35847c478bd9Sstevel@tonic-gate 35857c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == (char *)0 || strlen(name) == 0) 35867c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 35877c478bd9Sstevel@tonic-gate 35887c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_CANSLEEP) 35897c478bd9Sstevel@tonic-gate km_flags = KM_SLEEP; 35907c478bd9Sstevel@tonic-gate 35917c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 35927c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 35937c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 35947c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 35957c478bd9Sstevel@tonic-gate 35967c478bd9Sstevel@tonic-gate if ((new_propp = DDI_NEW_PROP_T(km_flags)) == NULL) { 35977c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 35987c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 35997c478bd9Sstevel@tonic-gate } 36007c478bd9Sstevel@tonic-gate 36017c478bd9Sstevel@tonic-gate /* 36027c478bd9Sstevel@tonic-gate * If dev is major number 0, then we need to do a ddi_name_to_major 36037c478bd9Sstevel@tonic-gate * to get the real major number for the device. This needs to be 36047c478bd9Sstevel@tonic-gate * done because some drivers need to call ddi_prop_create in their 36057c478bd9Sstevel@tonic-gate * attach routines but they don't have a dev. By creating the dev 36067c478bd9Sstevel@tonic-gate * ourself if the major number is 0, drivers will not have to know what 36077c478bd9Sstevel@tonic-gate * their major number. They can just create a dev with major number 36087c478bd9Sstevel@tonic-gate * 0 and pass it in. For device 0, we will be doing a little extra 36097c478bd9Sstevel@tonic-gate * work by recreating the same dev that we already have, but its the 36107c478bd9Sstevel@tonic-gate * price you pay :-). 36117c478bd9Sstevel@tonic-gate * 36127c478bd9Sstevel@tonic-gate * This fixes bug #1098060. 36137c478bd9Sstevel@tonic-gate */ 36147c478bd9Sstevel@tonic-gate if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) { 36157c478bd9Sstevel@tonic-gate new_propp->prop_dev = 36167c478bd9Sstevel@tonic-gate makedevice(ddi_name_to_major(DEVI(dip)->devi_binding_name), 36177c478bd9Sstevel@tonic-gate getminor(dev)); 36187c478bd9Sstevel@tonic-gate } else 36197c478bd9Sstevel@tonic-gate new_propp->prop_dev = dev; 36207c478bd9Sstevel@tonic-gate 36217c478bd9Sstevel@tonic-gate /* 36227c478bd9Sstevel@tonic-gate * Allocate space for property name and copy it in... 36237c478bd9Sstevel@tonic-gate */ 36247c478bd9Sstevel@tonic-gate 36257c478bd9Sstevel@tonic-gate name_buf_len = strlen(name) + 1; 36267c478bd9Sstevel@tonic-gate new_propp->prop_name = kmem_alloc(name_buf_len, km_flags); 36277c478bd9Sstevel@tonic-gate if (new_propp->prop_name == 0) { 36287c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 36297c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36307c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36317c478bd9Sstevel@tonic-gate } 36327c478bd9Sstevel@tonic-gate bcopy(name, new_propp->prop_name, name_buf_len); 36337c478bd9Sstevel@tonic-gate 36347c478bd9Sstevel@tonic-gate /* 36357c478bd9Sstevel@tonic-gate * Set the property type 36367c478bd9Sstevel@tonic-gate */ 36377c478bd9Sstevel@tonic-gate new_propp->prop_flags = flags & DDI_PROP_TYPE_MASK; 36387c478bd9Sstevel@tonic-gate 36397c478bd9Sstevel@tonic-gate /* 36407c478bd9Sstevel@tonic-gate * Set length and value ONLY if not an explicit property undefine: 36417c478bd9Sstevel@tonic-gate * NOTE: value and length are zero for explicit undefines. 36427c478bd9Sstevel@tonic-gate */ 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) { 36457c478bd9Sstevel@tonic-gate new_propp->prop_flags |= DDI_PROP_UNDEF_IT; 36467c478bd9Sstevel@tonic-gate } else { 36477c478bd9Sstevel@tonic-gate if ((new_propp->prop_len = length) != 0) { 36487c478bd9Sstevel@tonic-gate new_propp->prop_val = kmem_alloc(length, km_flags); 36497c478bd9Sstevel@tonic-gate if (new_propp->prop_val == 0) { 36507c478bd9Sstevel@tonic-gate kmem_free(new_propp->prop_name, name_buf_len); 36517c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 36527c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36537c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36547c478bd9Sstevel@tonic-gate } 36557c478bd9Sstevel@tonic-gate bcopy(value, new_propp->prop_val, length); 36567c478bd9Sstevel@tonic-gate } 36577c478bd9Sstevel@tonic-gate } 36587c478bd9Sstevel@tonic-gate 36597c478bd9Sstevel@tonic-gate /* 36607c478bd9Sstevel@tonic-gate * Link property into beginning of list. (Properties are LIFO order.) 36617c478bd9Sstevel@tonic-gate */ 36627c478bd9Sstevel@tonic-gate 36637c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 36647c478bd9Sstevel@tonic-gate propp = *list_head; 36657c478bd9Sstevel@tonic-gate new_propp->prop_next = propp; 36667c478bd9Sstevel@tonic-gate *list_head = new_propp; 36677c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 36687c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 36697c478bd9Sstevel@tonic-gate } 36707c478bd9Sstevel@tonic-gate 36717c478bd9Sstevel@tonic-gate 36727c478bd9Sstevel@tonic-gate /* 36737c478bd9Sstevel@tonic-gate * ddi_prop_change: Modify a software managed property value 36747c478bd9Sstevel@tonic-gate * 36757c478bd9Sstevel@tonic-gate * Set new length and value if found. 36767c478bd9Sstevel@tonic-gate * returns DDI_PROP_INVAL_ARG if dev is DDI_DEV_T_ANY or 36777c478bd9Sstevel@tonic-gate * input name is the NULL string. 36787c478bd9Sstevel@tonic-gate * returns DDI_PROP_NO_MEMORY if unable to allocate memory 36797c478bd9Sstevel@tonic-gate * 36807c478bd9Sstevel@tonic-gate * Note: an undef can be modified to be a define, 36817c478bd9Sstevel@tonic-gate * (you can't go the other way.) 36827c478bd9Sstevel@tonic-gate */ 36837c478bd9Sstevel@tonic-gate 36847c478bd9Sstevel@tonic-gate static int 36857c478bd9Sstevel@tonic-gate ddi_prop_change(dev_t dev, dev_info_t *dip, int flags, 36867c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 36877c478bd9Sstevel@tonic-gate { 36887c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 36899ac2ddeaScth ddi_prop_t **ppropp; 36907c478bd9Sstevel@tonic-gate caddr_t p = NULL; 36917c478bd9Sstevel@tonic-gate 36929ac2ddeaScth if ((dev == DDI_DEV_T_ANY) || (name == NULL) || (strlen(name) == 0)) 36937c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 36947c478bd9Sstevel@tonic-gate 36957c478bd9Sstevel@tonic-gate /* 36967c478bd9Sstevel@tonic-gate * Preallocate buffer, even if we don't need it... 36977c478bd9Sstevel@tonic-gate */ 36987c478bd9Sstevel@tonic-gate if (length != 0) { 36999ac2ddeaScth p = kmem_alloc(length, (flags & DDI_PROP_CANSLEEP) ? 37009ac2ddeaScth KM_SLEEP : KM_NOSLEEP); 37017c478bd9Sstevel@tonic-gate if (p == NULL) { 37027c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 37037c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 37047c478bd9Sstevel@tonic-gate } 37057c478bd9Sstevel@tonic-gate } 37067c478bd9Sstevel@tonic-gate 37079ac2ddeaScth /* 37089ac2ddeaScth * If the dev_t value contains DDI_MAJOR_T_UNKNOWN for the major 37099ac2ddeaScth * number, a real dev_t value should be created based upon the dip's 37109ac2ddeaScth * binding driver. See ddi_prop_add... 37119ac2ddeaScth */ 37129ac2ddeaScth if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) 37139ac2ddeaScth dev = makedevice( 37149ac2ddeaScth ddi_name_to_major(DEVI(dip)->devi_binding_name), 37159ac2ddeaScth getminor(dev)); 37169ac2ddeaScth 37177c478bd9Sstevel@tonic-gate /* 37187c478bd9Sstevel@tonic-gate * Check to see if the property exists. If so we modify it. 37197c478bd9Sstevel@tonic-gate * Else we create it by calling ddi_prop_add(). 37207c478bd9Sstevel@tonic-gate */ 37217c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 37229ac2ddeaScth ppropp = &DEVI(dip)->devi_drv_prop_ptr; 37237c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 37249ac2ddeaScth ppropp = &DEVI(dip)->devi_sys_prop_ptr; 37257c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 37269ac2ddeaScth ppropp = &DEVI(dip)->devi_hw_prop_ptr; 37277c478bd9Sstevel@tonic-gate 37289ac2ddeaScth if ((propp = i_ddi_prop_search(dev, name, flags, ppropp)) != NULL) { 37299ac2ddeaScth /* 37309ac2ddeaScth * Need to reallocate buffer? If so, do it 37319ac2ddeaScth * carefully (reuse same space if new prop 37329ac2ddeaScth * is same size and non-NULL sized). 37339ac2ddeaScth */ 37349ac2ddeaScth if (length != 0) 37359ac2ddeaScth bcopy(value, p, length); 37367c478bd9Sstevel@tonic-gate 37379ac2ddeaScth if (propp->prop_len != 0) 37389ac2ddeaScth kmem_free(propp->prop_val, propp->prop_len); 37397c478bd9Sstevel@tonic-gate 37409ac2ddeaScth propp->prop_len = length; 37419ac2ddeaScth propp->prop_val = p; 37429ac2ddeaScth propp->prop_flags &= ~DDI_PROP_UNDEF_IT; 37439ac2ddeaScth mutex_exit(&(DEVI(dip)->devi_lock)); 37449ac2ddeaScth return (DDI_PROP_SUCCESS); 37457c478bd9Sstevel@tonic-gate } 37467c478bd9Sstevel@tonic-gate 37477c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 37487c478bd9Sstevel@tonic-gate if (length != 0) 37497c478bd9Sstevel@tonic-gate kmem_free(p, length); 37509ac2ddeaScth 37517c478bd9Sstevel@tonic-gate return (ddi_prop_add(dev, dip, flags, name, value, length)); 37527c478bd9Sstevel@tonic-gate } 37537c478bd9Sstevel@tonic-gate 37547c478bd9Sstevel@tonic-gate /* 37557c478bd9Sstevel@tonic-gate * Common update routine used to update and encode a property. Creates 37567c478bd9Sstevel@tonic-gate * a property handle, calls the property encode routine, figures out if 37577c478bd9Sstevel@tonic-gate * the property already exists and updates if it does. Otherwise it 37587c478bd9Sstevel@tonic-gate * creates if it does not exist. 37597c478bd9Sstevel@tonic-gate */ 37607c478bd9Sstevel@tonic-gate int 37617c478bd9Sstevel@tonic-gate ddi_prop_update_common(dev_t match_dev, dev_info_t *dip, int flags, 37627c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 37637c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 37647c478bd9Sstevel@tonic-gate { 37657c478bd9Sstevel@tonic-gate prop_handle_t ph; 37667c478bd9Sstevel@tonic-gate int rval; 37677c478bd9Sstevel@tonic-gate uint_t ourflags; 37687c478bd9Sstevel@tonic-gate 37697c478bd9Sstevel@tonic-gate /* 37707c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 37717c478bd9Sstevel@tonic-gate * return error. 37727c478bd9Sstevel@tonic-gate */ 37737c478bd9Sstevel@tonic-gate if (match_dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 37747c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 37757c478bd9Sstevel@tonic-gate 37767c478bd9Sstevel@tonic-gate /* 37777c478bd9Sstevel@tonic-gate * Create the handle 37787c478bd9Sstevel@tonic-gate */ 37797c478bd9Sstevel@tonic-gate ph.ph_data = NULL; 37807c478bd9Sstevel@tonic-gate ph.ph_cur_pos = NULL; 37817c478bd9Sstevel@tonic-gate ph.ph_save_pos = NULL; 37827c478bd9Sstevel@tonic-gate ph.ph_size = 0; 37837c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 37847c478bd9Sstevel@tonic-gate 37857c478bd9Sstevel@tonic-gate /* 37867c478bd9Sstevel@tonic-gate * ourflags: 37877c478bd9Sstevel@tonic-gate * For compatibility with the old interfaces. The old interfaces 37887c478bd9Sstevel@tonic-gate * didn't sleep by default and slept when the flag was set. These 37897c478bd9Sstevel@tonic-gate * interfaces to the opposite. So the old interfaces now set the 37907c478bd9Sstevel@tonic-gate * DDI_PROP_DONTSLEEP flag by default which tells us not to sleep. 37917c478bd9Sstevel@tonic-gate * 37927c478bd9Sstevel@tonic-gate * ph.ph_flags: 37937c478bd9Sstevel@tonic-gate * Blocked data or unblocked data allocation 37947c478bd9Sstevel@tonic-gate * for ph.ph_data in ddi_prop_encode_alloc() 37957c478bd9Sstevel@tonic-gate */ 37967c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_DONTSLEEP) { 37977c478bd9Sstevel@tonic-gate ourflags = flags; 37987c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_DONTSLEEP; 37997c478bd9Sstevel@tonic-gate } else { 38007c478bd9Sstevel@tonic-gate ourflags = flags | DDI_PROP_CANSLEEP; 38017c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_CANSLEEP; 38027c478bd9Sstevel@tonic-gate } 38037c478bd9Sstevel@tonic-gate 38047c478bd9Sstevel@tonic-gate /* 38057c478bd9Sstevel@tonic-gate * Encode the data and store it in the property handle by 38067c478bd9Sstevel@tonic-gate * calling the prop_encode routine. 38077c478bd9Sstevel@tonic-gate */ 38087c478bd9Sstevel@tonic-gate if ((rval = (*prop_create)(&ph, data, nelements)) != 38097c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) { 38107c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_NO_MEMORY) 38117c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 38127c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 38137c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 38147c478bd9Sstevel@tonic-gate return (rval); 38157c478bd9Sstevel@tonic-gate } 38167c478bd9Sstevel@tonic-gate 38177c478bd9Sstevel@tonic-gate /* 38187c478bd9Sstevel@tonic-gate * The old interfaces use a stacking approach to creating 38197c478bd9Sstevel@tonic-gate * properties. If we are being called from the old interfaces, 38207c478bd9Sstevel@tonic-gate * the DDI_PROP_STACK_CREATE flag will be set, so we just do a 38217c478bd9Sstevel@tonic-gate * create without checking. 38227c478bd9Sstevel@tonic-gate */ 38237c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_STACK_CREATE) { 38247c478bd9Sstevel@tonic-gate rval = ddi_prop_add(match_dev, dip, 38257c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 38267c478bd9Sstevel@tonic-gate } else { 38277c478bd9Sstevel@tonic-gate rval = ddi_prop_change(match_dev, dip, 38287c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 38297c478bd9Sstevel@tonic-gate } 38307c478bd9Sstevel@tonic-gate 38317c478bd9Sstevel@tonic-gate /* 38327c478bd9Sstevel@tonic-gate * Free the encoded data allocated in the prop_encode routine. 38337c478bd9Sstevel@tonic-gate */ 38347c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 38357c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 38367c478bd9Sstevel@tonic-gate 38377c478bd9Sstevel@tonic-gate return (rval); 38387c478bd9Sstevel@tonic-gate } 38397c478bd9Sstevel@tonic-gate 38407c478bd9Sstevel@tonic-gate 38417c478bd9Sstevel@tonic-gate /* 38427c478bd9Sstevel@tonic-gate * ddi_prop_create: Define a managed property: 38437c478bd9Sstevel@tonic-gate * See above for details. 38447c478bd9Sstevel@tonic-gate */ 38457c478bd9Sstevel@tonic-gate 38467c478bd9Sstevel@tonic-gate int 38477c478bd9Sstevel@tonic-gate ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38487c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38497c478bd9Sstevel@tonic-gate { 38507c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) { 38517c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38527c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 38537c478bd9Sstevel@tonic-gate if (length != 0) 38547c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!ddi_prop_create: interface obsolete," 38557c478bd9Sstevel@tonic-gate "use ddi_prop_update (prop = %s, node = %s%d)", 38567c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 38577c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 38587c478bd9Sstevel@tonic-gate } 38597c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 3860b9ccdc5aScth flag |= DDI_PROP_STACK_CREATE | DDI_PROP_TYPE_ANY; 3861b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, name, 38627c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 38637c478bd9Sstevel@tonic-gate } 38647c478bd9Sstevel@tonic-gate 38657c478bd9Sstevel@tonic-gate int 38667c478bd9Sstevel@tonic-gate e_ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38677c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38687c478bd9Sstevel@tonic-gate { 38697c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38707c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 3871b9ccdc5aScth flag |= DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | DDI_PROP_TYPE_ANY; 3872b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 38737c478bd9Sstevel@tonic-gate name, value, length, ddi_prop_fm_encode_bytes)); 38747c478bd9Sstevel@tonic-gate } 38757c478bd9Sstevel@tonic-gate 38767c478bd9Sstevel@tonic-gate int 38777c478bd9Sstevel@tonic-gate ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 38787c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38797c478bd9Sstevel@tonic-gate { 38807c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 38817c478bd9Sstevel@tonic-gate 38827c478bd9Sstevel@tonic-gate /* 38837c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 38847c478bd9Sstevel@tonic-gate * return error. 38857c478bd9Sstevel@tonic-gate */ 38867c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 38877c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 38887c478bd9Sstevel@tonic-gate 38897c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38907c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38917c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 38929ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_NOTPROM), name) == 0) 38937c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 38947c478bd9Sstevel@tonic-gate 38957c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38967c478bd9Sstevel@tonic-gate (flag | DDI_PROP_TYPE_BYTE), name, 38977c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 38987c478bd9Sstevel@tonic-gate } 38997c478bd9Sstevel@tonic-gate 39007c478bd9Sstevel@tonic-gate int 39017c478bd9Sstevel@tonic-gate e_ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 39027c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 39037c478bd9Sstevel@tonic-gate { 39047c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 39057c478bd9Sstevel@tonic-gate 39067c478bd9Sstevel@tonic-gate /* 39077c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 39087c478bd9Sstevel@tonic-gate * return error. 39097c478bd9Sstevel@tonic-gate */ 39107c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 39117c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 39127c478bd9Sstevel@tonic-gate 39139ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_SYSTEM_DEF), name) == 0) 39147c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 39157c478bd9Sstevel@tonic-gate 39167c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 39177c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 39187c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 3919184cd04cScth (flag | DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE), 3920184cd04cScth name, value, length, ddi_prop_fm_encode_bytes)); 39217c478bd9Sstevel@tonic-gate } 39227c478bd9Sstevel@tonic-gate 39237c478bd9Sstevel@tonic-gate 39247c478bd9Sstevel@tonic-gate /* 39257c478bd9Sstevel@tonic-gate * Common lookup routine used to lookup and decode a property. 39267c478bd9Sstevel@tonic-gate * Creates a property handle, searches for the raw encoded data, 39277c478bd9Sstevel@tonic-gate * fills in the handle, and calls the property decode functions 39287c478bd9Sstevel@tonic-gate * passed in. 39297c478bd9Sstevel@tonic-gate * 39307c478bd9Sstevel@tonic-gate * This routine is not static because ddi_bus_prop_op() which lives in 39317c478bd9Sstevel@tonic-gate * ddi_impl.c calls it. No driver should be calling this routine. 39327c478bd9Sstevel@tonic-gate */ 39337c478bd9Sstevel@tonic-gate int 39347c478bd9Sstevel@tonic-gate ddi_prop_lookup_common(dev_t match_dev, dev_info_t *dip, 39357c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 39367c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 39377c478bd9Sstevel@tonic-gate { 39387c478bd9Sstevel@tonic-gate int rval; 39397c478bd9Sstevel@tonic-gate uint_t ourflags; 39407c478bd9Sstevel@tonic-gate prop_handle_t ph; 39417c478bd9Sstevel@tonic-gate 39427c478bd9Sstevel@tonic-gate if ((match_dev == DDI_DEV_T_NONE) || 39439ac2ddeaScth (name == NULL) || (strlen(name) == 0)) 39447c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate ourflags = (flags & DDI_PROP_DONTSLEEP) ? flags : 3947184cd04cScth flags | DDI_PROP_CANSLEEP; 39487c478bd9Sstevel@tonic-gate 39497c478bd9Sstevel@tonic-gate /* 39507c478bd9Sstevel@tonic-gate * Get the encoded data 39517c478bd9Sstevel@tonic-gate */ 39527c478bd9Sstevel@tonic-gate bzero(&ph, sizeof (prop_handle_t)); 39537c478bd9Sstevel@tonic-gate 395465cf7c95SVikram Hegde if ((flags & DDI_UNBND_DLPI2) || (flags & DDI_PROP_ROOTNEX_GLOBAL)) { 39557c478bd9Sstevel@tonic-gate /* 395665cf7c95SVikram Hegde * For rootnex and unbound dlpi style-2 devices, index into 39577c478bd9Sstevel@tonic-gate * the devnames' array and search the global 39587c478bd9Sstevel@tonic-gate * property list. 39597c478bd9Sstevel@tonic-gate */ 39607c478bd9Sstevel@tonic-gate ourflags &= ~DDI_UNBND_DLPI2; 39617c478bd9Sstevel@tonic-gate rval = i_ddi_prop_search_global(match_dev, 39627c478bd9Sstevel@tonic-gate ourflags, name, &ph.ph_data, &ph.ph_size); 39637c478bd9Sstevel@tonic-gate } else { 39647c478bd9Sstevel@tonic-gate rval = ddi_prop_search_common(match_dev, dip, 39657c478bd9Sstevel@tonic-gate PROP_LEN_AND_VAL_ALLOC, ourflags, name, 39667c478bd9Sstevel@tonic-gate &ph.ph_data, &ph.ph_size); 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate } 39697c478bd9Sstevel@tonic-gate 39707c478bd9Sstevel@tonic-gate if (rval != DDI_PROP_SUCCESS && rval != DDI_PROP_FOUND_1275) { 39717c478bd9Sstevel@tonic-gate ASSERT(ph.ph_data == NULL); 39727c478bd9Sstevel@tonic-gate ASSERT(ph.ph_size == 0); 39737c478bd9Sstevel@tonic-gate return (rval); 39747c478bd9Sstevel@tonic-gate } 39757c478bd9Sstevel@tonic-gate 39767c478bd9Sstevel@tonic-gate /* 39777c478bd9Sstevel@tonic-gate * If the encoded data came from a OBP or software 39787c478bd9Sstevel@tonic-gate * use the 1275 OBP decode/encode routines. 39797c478bd9Sstevel@tonic-gate */ 39807c478bd9Sstevel@tonic-gate ph.ph_cur_pos = ph.ph_data; 39817c478bd9Sstevel@tonic-gate ph.ph_save_pos = ph.ph_data; 39827c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 39837c478bd9Sstevel@tonic-gate ph.ph_flags = (rval == DDI_PROP_FOUND_1275) ? PH_FROM_PROM : 0; 39847c478bd9Sstevel@tonic-gate 39857c478bd9Sstevel@tonic-gate rval = (*prop_decoder)(&ph, data, nelements); 39867c478bd9Sstevel@tonic-gate 39877c478bd9Sstevel@tonic-gate /* 39887c478bd9Sstevel@tonic-gate * Free the encoded data 39897c478bd9Sstevel@tonic-gate */ 39907c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 39917c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 39927c478bd9Sstevel@tonic-gate 39937c478bd9Sstevel@tonic-gate return (rval); 39947c478bd9Sstevel@tonic-gate } 39957c478bd9Sstevel@tonic-gate 39967c478bd9Sstevel@tonic-gate /* 39977c478bd9Sstevel@tonic-gate * Lookup and return an array of composite properties. The driver must 39987c478bd9Sstevel@tonic-gate * provide the decode routine. 39997c478bd9Sstevel@tonic-gate */ 40007c478bd9Sstevel@tonic-gate int 40017c478bd9Sstevel@tonic-gate ddi_prop_lookup(dev_t match_dev, dev_info_t *dip, 40027c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 40037c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 40047c478bd9Sstevel@tonic-gate { 40057c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 40067c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_COMPOSITE), name, 40077c478bd9Sstevel@tonic-gate data, nelements, prop_decoder)); 40087c478bd9Sstevel@tonic-gate } 40097c478bd9Sstevel@tonic-gate 40107c478bd9Sstevel@tonic-gate /* 40117c478bd9Sstevel@tonic-gate * Return 1 if a property exists (no type checking done). 40127c478bd9Sstevel@tonic-gate * Return 0 if it does not exist. 40137c478bd9Sstevel@tonic-gate */ 40147c478bd9Sstevel@tonic-gate int 40157c478bd9Sstevel@tonic-gate ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name) 40167c478bd9Sstevel@tonic-gate { 40177c478bd9Sstevel@tonic-gate int i; 40187c478bd9Sstevel@tonic-gate uint_t x = 0; 40197c478bd9Sstevel@tonic-gate 40207c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(match_dev, dip, PROP_EXISTS, 4021184cd04cScth flags | DDI_PROP_TYPE_MASK, name, NULL, &x); 40227c478bd9Sstevel@tonic-gate return (i == DDI_PROP_SUCCESS || i == DDI_PROP_FOUND_1275); 40237c478bd9Sstevel@tonic-gate } 40247c478bd9Sstevel@tonic-gate 40257c478bd9Sstevel@tonic-gate 40267c478bd9Sstevel@tonic-gate /* 40277c478bd9Sstevel@tonic-gate * Update an array of composite properties. The driver must 40287c478bd9Sstevel@tonic-gate * provide the encode routine. 40297c478bd9Sstevel@tonic-gate */ 40307c478bd9Sstevel@tonic-gate int 40317c478bd9Sstevel@tonic-gate ddi_prop_update(dev_t match_dev, dev_info_t *dip, 40327c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 40337c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 40347c478bd9Sstevel@tonic-gate { 40357c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_COMPOSITE, 40367c478bd9Sstevel@tonic-gate name, data, nelements, prop_create)); 40377c478bd9Sstevel@tonic-gate } 40387c478bd9Sstevel@tonic-gate 40397c478bd9Sstevel@tonic-gate /* 40407c478bd9Sstevel@tonic-gate * Get a single integer or boolean property and return it. 40417c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 40427c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 40437c478bd9Sstevel@tonic-gate * 40447c478bd9Sstevel@tonic-gate * This routine always succeeds. 40457c478bd9Sstevel@tonic-gate */ 40467c478bd9Sstevel@tonic-gate int 40477c478bd9Sstevel@tonic-gate ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 40487c478bd9Sstevel@tonic-gate char *name, int defvalue) 40497c478bd9Sstevel@tonic-gate { 40507c478bd9Sstevel@tonic-gate int data; 40517c478bd9Sstevel@tonic-gate uint_t nelements; 40527c478bd9Sstevel@tonic-gate int rval; 40537c478bd9Sstevel@tonic-gate 40547c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 405565cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 40567c478bd9Sstevel@tonic-gate #ifdef DEBUG 40577c478bd9Sstevel@tonic-gate if (dip != NULL) { 40587c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int: invalid flag" 40597c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 40607c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 40617c478bd9Sstevel@tonic-gate } 40627c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 40637c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40647c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 40657c478bd9Sstevel@tonic-gate } 40667c478bd9Sstevel@tonic-gate 40677c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 40687c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, &data, &nelements, 40697c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int)) != DDI_PROP_SUCCESS) { 40707c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 40717c478bd9Sstevel@tonic-gate data = 1; 40727c478bd9Sstevel@tonic-gate else 40737c478bd9Sstevel@tonic-gate data = defvalue; 40747c478bd9Sstevel@tonic-gate } 40757c478bd9Sstevel@tonic-gate return (data); 40767c478bd9Sstevel@tonic-gate } 40777c478bd9Sstevel@tonic-gate 40787c478bd9Sstevel@tonic-gate /* 40797c478bd9Sstevel@tonic-gate * Get a single 64 bit integer or boolean property and return it. 40807c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 40817c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 40827c478bd9Sstevel@tonic-gate * 40837c478bd9Sstevel@tonic-gate * This routine always succeeds. 40847c478bd9Sstevel@tonic-gate */ 40857c478bd9Sstevel@tonic-gate int64_t 40867c478bd9Sstevel@tonic-gate ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 40877c478bd9Sstevel@tonic-gate char *name, int64_t defvalue) 40887c478bd9Sstevel@tonic-gate { 40897c478bd9Sstevel@tonic-gate int64_t data; 40907c478bd9Sstevel@tonic-gate uint_t nelements; 40917c478bd9Sstevel@tonic-gate int rval; 40927c478bd9Sstevel@tonic-gate 40937c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 409465cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 40957c478bd9Sstevel@tonic-gate #ifdef DEBUG 40967c478bd9Sstevel@tonic-gate if (dip != NULL) { 40977c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int64: invalid flag" 40987c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 40997c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 41007c478bd9Sstevel@tonic-gate } 41017c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41027c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 41037c478bd9Sstevel@tonic-gate } 41047c478bd9Sstevel@tonic-gate 41057c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 41067c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 41077c478bd9Sstevel@tonic-gate name, &data, &nelements, ddi_prop_fm_decode_int64)) 41087c478bd9Sstevel@tonic-gate != DDI_PROP_SUCCESS) { 41097c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 41107c478bd9Sstevel@tonic-gate data = 1; 41117c478bd9Sstevel@tonic-gate else 41127c478bd9Sstevel@tonic-gate data = defvalue; 41137c478bd9Sstevel@tonic-gate } 41147c478bd9Sstevel@tonic-gate return (data); 41157c478bd9Sstevel@tonic-gate } 41167c478bd9Sstevel@tonic-gate 41177c478bd9Sstevel@tonic-gate /* 41187c478bd9Sstevel@tonic-gate * Get an array of integer property 41197c478bd9Sstevel@tonic-gate */ 41207c478bd9Sstevel@tonic-gate int 41217c478bd9Sstevel@tonic-gate ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 41227c478bd9Sstevel@tonic-gate char *name, int **data, uint_t *nelements) 41237c478bd9Sstevel@tonic-gate { 41247c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 412565cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 41267c478bd9Sstevel@tonic-gate #ifdef DEBUG 41277c478bd9Sstevel@tonic-gate if (dip != NULL) { 41287c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int_array: " 41297c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 41307c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 41317c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 41327c478bd9Sstevel@tonic-gate } 41337c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41347c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 4135184cd04cScth LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 41367c478bd9Sstevel@tonic-gate } 41377c478bd9Sstevel@tonic-gate 41387c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 41397c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, data, 41407c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_ints)); 41417c478bd9Sstevel@tonic-gate } 41427c478bd9Sstevel@tonic-gate 41437c478bd9Sstevel@tonic-gate /* 41447c478bd9Sstevel@tonic-gate * Get an array of 64 bit integer properties 41457c478bd9Sstevel@tonic-gate */ 41467c478bd9Sstevel@tonic-gate int 41477c478bd9Sstevel@tonic-gate ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 41487c478bd9Sstevel@tonic-gate char *name, int64_t **data, uint_t *nelements) 41497c478bd9Sstevel@tonic-gate { 41507c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 415165cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 41527c478bd9Sstevel@tonic-gate #ifdef DEBUG 41537c478bd9Sstevel@tonic-gate if (dip != NULL) { 41547c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int64_array: " 41557c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 41567c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 41577c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 41587c478bd9Sstevel@tonic-gate } 41597c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41607c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 41617c478bd9Sstevel@tonic-gate } 41627c478bd9Sstevel@tonic-gate 41637c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 41647c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 41657c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_decode_int64_array)); 41667c478bd9Sstevel@tonic-gate } 41677c478bd9Sstevel@tonic-gate 41687c478bd9Sstevel@tonic-gate /* 41697c478bd9Sstevel@tonic-gate * Update a single integer property. If the property exists on the drivers 41707c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 41717c478bd9Sstevel@tonic-gate */ 41727c478bd9Sstevel@tonic-gate int 41737c478bd9Sstevel@tonic-gate ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41747c478bd9Sstevel@tonic-gate char *name, int data) 41757c478bd9Sstevel@tonic-gate { 41767c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 41777c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 41787c478bd9Sstevel@tonic-gate } 41797c478bd9Sstevel@tonic-gate 41807c478bd9Sstevel@tonic-gate /* 41817c478bd9Sstevel@tonic-gate * Update a single 64 bit integer property. 41827c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 41837c478bd9Sstevel@tonic-gate */ 41847c478bd9Sstevel@tonic-gate int 41857c478bd9Sstevel@tonic-gate ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 41867c478bd9Sstevel@tonic-gate char *name, int64_t data) 41877c478bd9Sstevel@tonic-gate { 41887c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 41897c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 41907c478bd9Sstevel@tonic-gate } 41917c478bd9Sstevel@tonic-gate 41927c478bd9Sstevel@tonic-gate int 41937c478bd9Sstevel@tonic-gate e_ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41947c478bd9Sstevel@tonic-gate char *name, int data) 41957c478bd9Sstevel@tonic-gate { 41967c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 41977c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 41987c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 41997c478bd9Sstevel@tonic-gate } 42007c478bd9Sstevel@tonic-gate 42017c478bd9Sstevel@tonic-gate int 42027c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 42037c478bd9Sstevel@tonic-gate char *name, int64_t data) 42047c478bd9Sstevel@tonic-gate { 42057c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42067c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 42077c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 42087c478bd9Sstevel@tonic-gate } 42097c478bd9Sstevel@tonic-gate 42107c478bd9Sstevel@tonic-gate /* 42117c478bd9Sstevel@tonic-gate * Update an array of integer property. If the property exists on the drivers 42127c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 42137c478bd9Sstevel@tonic-gate */ 42147c478bd9Sstevel@tonic-gate int 42157c478bd9Sstevel@tonic-gate ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 42167c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 42177c478bd9Sstevel@tonic-gate { 42187c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 42197c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 42207c478bd9Sstevel@tonic-gate } 42217c478bd9Sstevel@tonic-gate 42227c478bd9Sstevel@tonic-gate /* 42237c478bd9Sstevel@tonic-gate * Update an array of 64 bit integer properties. 42247c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 42257c478bd9Sstevel@tonic-gate */ 42267c478bd9Sstevel@tonic-gate int 42277c478bd9Sstevel@tonic-gate ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 42287c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 42297c478bd9Sstevel@tonic-gate { 42307c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 42317c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 42327c478bd9Sstevel@tonic-gate } 42337c478bd9Sstevel@tonic-gate 42347c478bd9Sstevel@tonic-gate int 42357c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 42367c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 42377c478bd9Sstevel@tonic-gate { 42387c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42397c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 42407c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 42417c478bd9Sstevel@tonic-gate } 42427c478bd9Sstevel@tonic-gate 42437c478bd9Sstevel@tonic-gate int 42447c478bd9Sstevel@tonic-gate e_ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 42457c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 42467c478bd9Sstevel@tonic-gate { 42477c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42487c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 42497c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 42507c478bd9Sstevel@tonic-gate } 42517c478bd9Sstevel@tonic-gate 42527c478bd9Sstevel@tonic-gate /* 42537c478bd9Sstevel@tonic-gate * Get a single string property. 42547c478bd9Sstevel@tonic-gate */ 42557c478bd9Sstevel@tonic-gate int 42567c478bd9Sstevel@tonic-gate ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 42577c478bd9Sstevel@tonic-gate char *name, char **data) 42587c478bd9Sstevel@tonic-gate { 42597c478bd9Sstevel@tonic-gate uint_t x; 42607c478bd9Sstevel@tonic-gate 42617c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 426265cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 42637c478bd9Sstevel@tonic-gate #ifdef DEBUG 42647c478bd9Sstevel@tonic-gate if (dip != NULL) { 42657c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s: invalid flag 0x%x " 42667c478bd9Sstevel@tonic-gate "(prop = %s, node = %s%d); invalid bits ignored", 42677c478bd9Sstevel@tonic-gate "ddi_prop_lookup_string", flags, name, 42687c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 42697c478bd9Sstevel@tonic-gate } 42707c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 42717c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42727c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 42737c478bd9Sstevel@tonic-gate } 42747c478bd9Sstevel@tonic-gate 42757c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 42767c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 42777c478bd9Sstevel@tonic-gate &x, ddi_prop_fm_decode_string)); 42787c478bd9Sstevel@tonic-gate } 42797c478bd9Sstevel@tonic-gate 42807c478bd9Sstevel@tonic-gate /* 42817c478bd9Sstevel@tonic-gate * Get an array of strings property. 42827c478bd9Sstevel@tonic-gate */ 42837c478bd9Sstevel@tonic-gate int 42847c478bd9Sstevel@tonic-gate ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 42857c478bd9Sstevel@tonic-gate char *name, char ***data, uint_t *nelements) 42867c478bd9Sstevel@tonic-gate { 42877c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 428865cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 42897c478bd9Sstevel@tonic-gate #ifdef DEBUG 42907c478bd9Sstevel@tonic-gate if (dip != NULL) { 42917c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_string_array: " 42927c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 42937c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 42947c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 42957c478bd9Sstevel@tonic-gate } 42967c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 42977c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42987c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 42997c478bd9Sstevel@tonic-gate } 43007c478bd9Sstevel@tonic-gate 43017c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 43027c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 43037c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_strings)); 43047c478bd9Sstevel@tonic-gate } 43057c478bd9Sstevel@tonic-gate 43067c478bd9Sstevel@tonic-gate /* 43077c478bd9Sstevel@tonic-gate * Update a single string property. 43087c478bd9Sstevel@tonic-gate */ 43097c478bd9Sstevel@tonic-gate int 43107c478bd9Sstevel@tonic-gate ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 43117c478bd9Sstevel@tonic-gate char *name, char *data) 43127c478bd9Sstevel@tonic-gate { 43137c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43147c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, &data, 1, 43157c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string)); 43167c478bd9Sstevel@tonic-gate } 43177c478bd9Sstevel@tonic-gate 43187c478bd9Sstevel@tonic-gate int 43197c478bd9Sstevel@tonic-gate e_ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 43207c478bd9Sstevel@tonic-gate char *name, char *data) 43217c478bd9Sstevel@tonic-gate { 43227c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43237c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 43247c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_string)); 43257c478bd9Sstevel@tonic-gate } 43267c478bd9Sstevel@tonic-gate 43277c478bd9Sstevel@tonic-gate 43287c478bd9Sstevel@tonic-gate /* 43297c478bd9Sstevel@tonic-gate * Update an array of strings property. 43307c478bd9Sstevel@tonic-gate */ 43317c478bd9Sstevel@tonic-gate int 43327c478bd9Sstevel@tonic-gate ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 43337c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 43347c478bd9Sstevel@tonic-gate { 43357c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43367c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, data, nelements, 43377c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 43387c478bd9Sstevel@tonic-gate } 43397c478bd9Sstevel@tonic-gate 43407c478bd9Sstevel@tonic-gate int 43417c478bd9Sstevel@tonic-gate e_ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 43427c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 43437c478bd9Sstevel@tonic-gate { 43447c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43457c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 43467c478bd9Sstevel@tonic-gate name, data, nelements, 43477c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 43487c478bd9Sstevel@tonic-gate } 43497c478bd9Sstevel@tonic-gate 43507c478bd9Sstevel@tonic-gate 43517c478bd9Sstevel@tonic-gate /* 43527c478bd9Sstevel@tonic-gate * Get an array of bytes property. 43537c478bd9Sstevel@tonic-gate */ 43547c478bd9Sstevel@tonic-gate int 43557c478bd9Sstevel@tonic-gate ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 43567c478bd9Sstevel@tonic-gate char *name, uchar_t **data, uint_t *nelements) 43577c478bd9Sstevel@tonic-gate { 43587c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 435965cf7c95SVikram Hegde LDI_DEV_T_ANY | DDI_UNBND_DLPI2 | DDI_PROP_ROOTNEX_GLOBAL)) { 43607c478bd9Sstevel@tonic-gate #ifdef DEBUG 43617c478bd9Sstevel@tonic-gate if (dip != NULL) { 43627c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_byte_array: " 43637c478bd9Sstevel@tonic-gate " invalid flag 0x%x (prop = %s, node = %s%d)", 43647c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 43657c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 43667c478bd9Sstevel@tonic-gate } 43677c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 43687c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 43697c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 43707c478bd9Sstevel@tonic-gate } 43717c478bd9Sstevel@tonic-gate 43727c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 43737c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_BYTE), name, data, 43747c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_bytes)); 43757c478bd9Sstevel@tonic-gate } 43767c478bd9Sstevel@tonic-gate 43777c478bd9Sstevel@tonic-gate /* 43787c478bd9Sstevel@tonic-gate * Update an array of bytes property. 43797c478bd9Sstevel@tonic-gate */ 43807c478bd9Sstevel@tonic-gate int 43817c478bd9Sstevel@tonic-gate ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43827c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43837c478bd9Sstevel@tonic-gate { 43847c478bd9Sstevel@tonic-gate if (nelements == 0) 43857c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43867c478bd9Sstevel@tonic-gate 43877c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_BYTE, 43887c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 43897c478bd9Sstevel@tonic-gate } 43907c478bd9Sstevel@tonic-gate 43917c478bd9Sstevel@tonic-gate 43927c478bd9Sstevel@tonic-gate int 43937c478bd9Sstevel@tonic-gate e_ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43947c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43957c478bd9Sstevel@tonic-gate { 43967c478bd9Sstevel@tonic-gate if (nelements == 0) 43977c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43987c478bd9Sstevel@tonic-gate 43997c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 44007c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE, 44017c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 44027c478bd9Sstevel@tonic-gate } 44037c478bd9Sstevel@tonic-gate 44047c478bd9Sstevel@tonic-gate 44057c478bd9Sstevel@tonic-gate /* 44067c478bd9Sstevel@tonic-gate * ddi_prop_remove_common: Undefine a managed property: 44077c478bd9Sstevel@tonic-gate * Input dev_t must match dev_t when defined. 44087c478bd9Sstevel@tonic-gate * Returns DDI_PROP_NOT_FOUND, possibly. 44097c478bd9Sstevel@tonic-gate * DDI_PROP_INVAL_ARG is also possible if dev is 44107c478bd9Sstevel@tonic-gate * DDI_DEV_T_ANY or incoming name is the NULL string. 44117c478bd9Sstevel@tonic-gate */ 44127c478bd9Sstevel@tonic-gate int 44137c478bd9Sstevel@tonic-gate ddi_prop_remove_common(dev_t dev, dev_info_t *dip, char *name, int flag) 44147c478bd9Sstevel@tonic-gate { 44157c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 44167c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 44177c478bd9Sstevel@tonic-gate ddi_prop_t *lastpropp = NULL; 44187c478bd9Sstevel@tonic-gate 44197c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || (name == (char *)0) || 44207c478bd9Sstevel@tonic-gate (strlen(name) == 0)) { 44217c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 44227c478bd9Sstevel@tonic-gate } 44237c478bd9Sstevel@tonic-gate 44247c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) 44257c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 44267c478bd9Sstevel@tonic-gate else if (flag & DDI_PROP_HW_DEF) 44277c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 44287c478bd9Sstevel@tonic-gate 44297c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 44307c478bd9Sstevel@tonic-gate 44317c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 44322cd7878fScth if (DDI_STRSAME(propp->prop_name, name) && 44337c478bd9Sstevel@tonic-gate (dev == propp->prop_dev)) { 44347c478bd9Sstevel@tonic-gate /* 44357c478bd9Sstevel@tonic-gate * Unlink this propp allowing for it to 44367c478bd9Sstevel@tonic-gate * be first in the list: 44377c478bd9Sstevel@tonic-gate */ 44387c478bd9Sstevel@tonic-gate 44397c478bd9Sstevel@tonic-gate if (lastpropp == NULL) 44407c478bd9Sstevel@tonic-gate *list_head = propp->prop_next; 44417c478bd9Sstevel@tonic-gate else 44427c478bd9Sstevel@tonic-gate lastpropp->prop_next = propp->prop_next; 44437c478bd9Sstevel@tonic-gate 44447c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44457c478bd9Sstevel@tonic-gate 44467c478bd9Sstevel@tonic-gate /* 44477c478bd9Sstevel@tonic-gate * Free memory and return... 44487c478bd9Sstevel@tonic-gate */ 44497c478bd9Sstevel@tonic-gate kmem_free(propp->prop_name, 44507c478bd9Sstevel@tonic-gate strlen(propp->prop_name) + 1); 44517c478bd9Sstevel@tonic-gate if (propp->prop_len != 0) 44527c478bd9Sstevel@tonic-gate kmem_free(propp->prop_val, propp->prop_len); 44537c478bd9Sstevel@tonic-gate kmem_free(propp, sizeof (ddi_prop_t)); 44547c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 44557c478bd9Sstevel@tonic-gate } 44567c478bd9Sstevel@tonic-gate lastpropp = propp; 44577c478bd9Sstevel@tonic-gate } 44587c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44597c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 44607c478bd9Sstevel@tonic-gate } 44617c478bd9Sstevel@tonic-gate 44627c478bd9Sstevel@tonic-gate int 44637c478bd9Sstevel@tonic-gate ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44647c478bd9Sstevel@tonic-gate { 44657c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, 0)); 44667c478bd9Sstevel@tonic-gate } 44677c478bd9Sstevel@tonic-gate 44687c478bd9Sstevel@tonic-gate int 44697c478bd9Sstevel@tonic-gate e_ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44707c478bd9Sstevel@tonic-gate { 44717c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, DDI_PROP_SYSTEM_DEF)); 44727c478bd9Sstevel@tonic-gate } 44737c478bd9Sstevel@tonic-gate 44747c478bd9Sstevel@tonic-gate /* 44757c478bd9Sstevel@tonic-gate * e_ddi_prop_list_delete: remove a list of properties 44767c478bd9Sstevel@tonic-gate * Note that the caller needs to provide the required protection 44777c478bd9Sstevel@tonic-gate * (eg. devi_lock if these properties are still attached to a devi) 44787c478bd9Sstevel@tonic-gate */ 44797c478bd9Sstevel@tonic-gate void 44807c478bd9Sstevel@tonic-gate e_ddi_prop_list_delete(ddi_prop_t *props) 44817c478bd9Sstevel@tonic-gate { 44827c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(props); 44837c478bd9Sstevel@tonic-gate } 44847c478bd9Sstevel@tonic-gate 44857c478bd9Sstevel@tonic-gate /* 44867c478bd9Sstevel@tonic-gate * ddi_prop_remove_all_common: 44877c478bd9Sstevel@tonic-gate * Used before unloading a driver to remove 44887c478bd9Sstevel@tonic-gate * all properties. (undefines all dev_t's props.) 44897c478bd9Sstevel@tonic-gate * Also removes `explicitly undefined' props. 44907c478bd9Sstevel@tonic-gate * No errors possible. 44917c478bd9Sstevel@tonic-gate */ 44927c478bd9Sstevel@tonic-gate void 44937c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dev_info_t *dip, int flag) 44947c478bd9Sstevel@tonic-gate { 44957c478bd9Sstevel@tonic-gate ddi_prop_t **list_head; 44967c478bd9Sstevel@tonic-gate 44977c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 44987c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) { 44997c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 45007c478bd9Sstevel@tonic-gate } else if (flag & DDI_PROP_HW_DEF) { 45017c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 45027c478bd9Sstevel@tonic-gate } else { 45037c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_drv_prop_ptr); 45047c478bd9Sstevel@tonic-gate } 45057c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(*list_head); 45067c478bd9Sstevel@tonic-gate *list_head = NULL; 45077c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 45087c478bd9Sstevel@tonic-gate } 45097c478bd9Sstevel@tonic-gate 45107c478bd9Sstevel@tonic-gate 45117c478bd9Sstevel@tonic-gate /* 45127c478bd9Sstevel@tonic-gate * ddi_prop_remove_all: Remove all driver prop definitions. 45137c478bd9Sstevel@tonic-gate */ 45147c478bd9Sstevel@tonic-gate 45157c478bd9Sstevel@tonic-gate void 45167c478bd9Sstevel@tonic-gate ddi_prop_remove_all(dev_info_t *dip) 45177c478bd9Sstevel@tonic-gate { 4518b9ccdc5aScth i_ddi_prop_dyn_driver_set(dip, NULL); 45197c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, 0); 45207c478bd9Sstevel@tonic-gate } 45217c478bd9Sstevel@tonic-gate 45227c478bd9Sstevel@tonic-gate /* 45237c478bd9Sstevel@tonic-gate * e_ddi_prop_remove_all: Remove all system prop definitions. 45247c478bd9Sstevel@tonic-gate */ 45257c478bd9Sstevel@tonic-gate 45267c478bd9Sstevel@tonic-gate void 45277c478bd9Sstevel@tonic-gate e_ddi_prop_remove_all(dev_info_t *dip) 45287c478bd9Sstevel@tonic-gate { 45297c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, (int)DDI_PROP_SYSTEM_DEF); 45307c478bd9Sstevel@tonic-gate } 45317c478bd9Sstevel@tonic-gate 45327c478bd9Sstevel@tonic-gate 45337c478bd9Sstevel@tonic-gate /* 45347c478bd9Sstevel@tonic-gate * ddi_prop_undefine: Explicitly undefine a property. Property 45357c478bd9Sstevel@tonic-gate * searches which match this property return 45367c478bd9Sstevel@tonic-gate * the error code DDI_PROP_UNDEFINED. 45377c478bd9Sstevel@tonic-gate * 45387c478bd9Sstevel@tonic-gate * Use ddi_prop_remove to negate effect of 45397c478bd9Sstevel@tonic-gate * ddi_prop_undefine 45407c478bd9Sstevel@tonic-gate * 45417c478bd9Sstevel@tonic-gate * See above for error returns. 45427c478bd9Sstevel@tonic-gate */ 45437c478bd9Sstevel@tonic-gate 45447c478bd9Sstevel@tonic-gate int 45457c478bd9Sstevel@tonic-gate ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 45467c478bd9Sstevel@tonic-gate { 45477c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45487c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 4549b9ccdc5aScth flag |= DDI_PROP_STACK_CREATE | DDI_PROP_UNDEF_IT | DDI_PROP_TYPE_ANY; 4550b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 4551b9ccdc5aScth name, NULL, 0, ddi_prop_fm_encode_bytes)); 45527c478bd9Sstevel@tonic-gate } 45537c478bd9Sstevel@tonic-gate 45547c478bd9Sstevel@tonic-gate int 45557c478bd9Sstevel@tonic-gate e_ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 45567c478bd9Sstevel@tonic-gate { 45577c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45587c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 4559b9ccdc5aScth flag |= DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | 4560b9ccdc5aScth DDI_PROP_UNDEF_IT | DDI_PROP_TYPE_ANY; 4561b9ccdc5aScth return (ddi_prop_update_common(dev, dip, flag, 45627c478bd9Sstevel@tonic-gate name, NULL, 0, ddi_prop_fm_encode_bytes)); 45637c478bd9Sstevel@tonic-gate } 45647c478bd9Sstevel@tonic-gate 4565b9ccdc5aScth /* 4566b9ccdc5aScth * Support for gathering dynamic properties in devinfo snapshot. 4567b9ccdc5aScth */ 4568b9ccdc5aScth void 4569b9ccdc5aScth i_ddi_prop_dyn_driver_set(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4570b9ccdc5aScth { 4571b9ccdc5aScth DEVI(dip)->devi_prop_dyn_driver = dp; 4572b9ccdc5aScth } 4573b9ccdc5aScth 4574b9ccdc5aScth i_ddi_prop_dyn_t * 4575b9ccdc5aScth i_ddi_prop_dyn_driver_get(dev_info_t *dip) 4576b9ccdc5aScth { 4577b9ccdc5aScth return (DEVI(dip)->devi_prop_dyn_driver); 4578b9ccdc5aScth } 4579b9ccdc5aScth 4580b9ccdc5aScth void 4581b9ccdc5aScth i_ddi_prop_dyn_parent_set(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4582b9ccdc5aScth { 4583b9ccdc5aScth DEVI(dip)->devi_prop_dyn_parent = dp; 4584b9ccdc5aScth } 4585b9ccdc5aScth 4586b9ccdc5aScth i_ddi_prop_dyn_t * 4587b9ccdc5aScth i_ddi_prop_dyn_parent_get(dev_info_t *dip) 4588b9ccdc5aScth { 4589b9ccdc5aScth return (DEVI(dip)->devi_prop_dyn_parent); 4590b9ccdc5aScth } 4591b9ccdc5aScth 4592b9ccdc5aScth void 4593b9ccdc5aScth i_ddi_prop_dyn_cache_invalidate(dev_info_t *dip, i_ddi_prop_dyn_t *dp) 4594b9ccdc5aScth { 4595b9ccdc5aScth /* for now we invalidate the entire cached snapshot */ 4596b9ccdc5aScth if (dip && dp) 4597b9ccdc5aScth i_ddi_di_cache_invalidate(KM_SLEEP); 4598b9ccdc5aScth } 4599b9ccdc5aScth 4600b9ccdc5aScth /* ARGSUSED */ 4601b9ccdc5aScth void 4602b9ccdc5aScth ddi_prop_cache_invalidate(dev_t dev, dev_info_t *dip, char *name, int flags) 4603b9ccdc5aScth { 4604b9ccdc5aScth /* for now we invalidate the entire cached snapshot */ 4605b9ccdc5aScth i_ddi_di_cache_invalidate(KM_SLEEP); 4606b9ccdc5aScth } 4607b9ccdc5aScth 4608b9ccdc5aScth 46097c478bd9Sstevel@tonic-gate /* 46107c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, on behalf of child. 46117c478bd9Sstevel@tonic-gate * 46127c478bd9Sstevel@tonic-gate * if input dip != child_dip, then call is on behalf of child 46137c478bd9Sstevel@tonic-gate * to search PROM, do it via ddi_prop_search_common() and ascend only 46147c478bd9Sstevel@tonic-gate * if allowed. 46157c478bd9Sstevel@tonic-gate * 46167c478bd9Sstevel@tonic-gate * if input dip == ch_dip (child_dip), call is on behalf of root driver, 46177c478bd9Sstevel@tonic-gate * to search for PROM defined props only. 46187c478bd9Sstevel@tonic-gate * 46197c478bd9Sstevel@tonic-gate * Note that the PROM search is done only if the requested dev 46207c478bd9Sstevel@tonic-gate * is either DDI_DEV_T_ANY or DDI_DEV_T_NONE. PROM properties 46217c478bd9Sstevel@tonic-gate * have no associated dev, thus are automatically associated with 46227c478bd9Sstevel@tonic-gate * DDI_DEV_T_NONE. 46237c478bd9Sstevel@tonic-gate * 46247c478bd9Sstevel@tonic-gate * Modifying flag DDI_PROP_NOTPROM inhibits the search in the h/w layer. 46257c478bd9Sstevel@tonic-gate * 46267c478bd9Sstevel@tonic-gate * Returns DDI_PROP_FOUND_1275 if found to indicate to framework 46277c478bd9Sstevel@tonic-gate * that the property resides in the prom. 46287c478bd9Sstevel@tonic-gate */ 46297c478bd9Sstevel@tonic-gate int 46307c478bd9Sstevel@tonic-gate impl_ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 46317c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 46327c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 46337c478bd9Sstevel@tonic-gate { 46347c478bd9Sstevel@tonic-gate int len; 46357c478bd9Sstevel@tonic-gate caddr_t buffer; 46367c478bd9Sstevel@tonic-gate 46377c478bd9Sstevel@tonic-gate /* 46387c478bd9Sstevel@tonic-gate * If requested dev is DDI_DEV_T_NONE or DDI_DEV_T_ANY, then 46397c478bd9Sstevel@tonic-gate * look in caller's PROM if it's a self identifying device... 46407c478bd9Sstevel@tonic-gate * 46417c478bd9Sstevel@tonic-gate * Note that this is very similar to ddi_prop_op, but we 46427c478bd9Sstevel@tonic-gate * search the PROM instead of the s/w defined properties, 46437c478bd9Sstevel@tonic-gate * and we are called on by the parent driver to do this for 46447c478bd9Sstevel@tonic-gate * the child. 46457c478bd9Sstevel@tonic-gate */ 46467c478bd9Sstevel@tonic-gate 46477c478bd9Sstevel@tonic-gate if (((dev == DDI_DEV_T_NONE) || (dev == DDI_DEV_T_ANY)) && 46487c478bd9Sstevel@tonic-gate ndi_dev_is_prom_node(ch_dip) && 46497c478bd9Sstevel@tonic-gate ((mod_flags & DDI_PROP_NOTPROM) == 0)) { 4650fa9e4066Sahrens len = prom_getproplen((pnode_t)DEVI(ch_dip)->devi_nodeid, name); 46517c478bd9Sstevel@tonic-gate if (len == -1) { 46527c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 46537c478bd9Sstevel@tonic-gate } 46547c478bd9Sstevel@tonic-gate 46557c478bd9Sstevel@tonic-gate /* 46567c478bd9Sstevel@tonic-gate * If exists only request, we're done 46577c478bd9Sstevel@tonic-gate */ 46587c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 46597c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 46607c478bd9Sstevel@tonic-gate } 46617c478bd9Sstevel@tonic-gate 46627c478bd9Sstevel@tonic-gate /* 46637c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, get out 46647c478bd9Sstevel@tonic-gate */ 46657c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) || (len == 0)) { 46667c478bd9Sstevel@tonic-gate *lengthp = len; 46677c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 46687c478bd9Sstevel@tonic-gate } 46697c478bd9Sstevel@tonic-gate 46707c478bd9Sstevel@tonic-gate /* 46717c478bd9Sstevel@tonic-gate * Allocate buffer if required... (either way `buffer' 46727c478bd9Sstevel@tonic-gate * is receiving address). 46737c478bd9Sstevel@tonic-gate */ 46747c478bd9Sstevel@tonic-gate 46757c478bd9Sstevel@tonic-gate switch (prop_op) { 46767c478bd9Sstevel@tonic-gate 46777c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 46787c478bd9Sstevel@tonic-gate 46797c478bd9Sstevel@tonic-gate buffer = kmem_alloc((size_t)len, 46807c478bd9Sstevel@tonic-gate mod_flags & DDI_PROP_CANSLEEP ? 46817c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP); 46827c478bd9Sstevel@tonic-gate if (buffer == NULL) { 46837c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 46847c478bd9Sstevel@tonic-gate } 46857c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 46867c478bd9Sstevel@tonic-gate break; 46877c478bd9Sstevel@tonic-gate 46887c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 46897c478bd9Sstevel@tonic-gate 46907c478bd9Sstevel@tonic-gate if (len > (*lengthp)) { 46917c478bd9Sstevel@tonic-gate *lengthp = len; 46927c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 46937c478bd9Sstevel@tonic-gate } 46947c478bd9Sstevel@tonic-gate 46957c478bd9Sstevel@tonic-gate buffer = valuep; 46967c478bd9Sstevel@tonic-gate break; 46977c478bd9Sstevel@tonic-gate 46987c478bd9Sstevel@tonic-gate default: 46997c478bd9Sstevel@tonic-gate break; 47007c478bd9Sstevel@tonic-gate } 47017c478bd9Sstevel@tonic-gate 47027c478bd9Sstevel@tonic-gate /* 47037c478bd9Sstevel@tonic-gate * Call the PROM function to do the copy. 47047c478bd9Sstevel@tonic-gate */ 4705fa9e4066Sahrens (void) prom_getprop((pnode_t)DEVI(ch_dip)->devi_nodeid, 4706184cd04cScth name, buffer); 47077c478bd9Sstevel@tonic-gate 47087c478bd9Sstevel@tonic-gate *lengthp = len; /* return the actual length to the caller */ 47097c478bd9Sstevel@tonic-gate (void) impl_fix_props(dip, ch_dip, name, len, buffer); 47107c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 47117c478bd9Sstevel@tonic-gate } 47127c478bd9Sstevel@tonic-gate 47137c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate /* 47177c478bd9Sstevel@tonic-gate * The ddi_bus_prop_op default bus nexus prop op function. 47187c478bd9Sstevel@tonic-gate * 47197c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, 47207c478bd9Sstevel@tonic-gate * on behalf of child, then, if appropriate, ascend and check 47217c478bd9Sstevel@tonic-gate * my own software defined properties... 47227c478bd9Sstevel@tonic-gate */ 47237c478bd9Sstevel@tonic-gate int 47247c478bd9Sstevel@tonic-gate ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 47257c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 47267c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 47277c478bd9Sstevel@tonic-gate { 47287c478bd9Sstevel@tonic-gate int error; 47297c478bd9Sstevel@tonic-gate 47307c478bd9Sstevel@tonic-gate error = impl_ddi_bus_prop_op(dev, dip, ch_dip, prop_op, mod_flags, 4731184cd04cScth name, valuep, lengthp); 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate if (error == DDI_PROP_SUCCESS || error == DDI_PROP_FOUND_1275 || 47347c478bd9Sstevel@tonic-gate error == DDI_PROP_BUF_TOO_SMALL) 47357c478bd9Sstevel@tonic-gate return (error); 47367c478bd9Sstevel@tonic-gate 47377c478bd9Sstevel@tonic-gate if (error == DDI_PROP_NO_MEMORY) { 47387c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 47397c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 47407c478bd9Sstevel@tonic-gate } 47417c478bd9Sstevel@tonic-gate 47427c478bd9Sstevel@tonic-gate /* 47437c478bd9Sstevel@tonic-gate * Check the 'options' node as a last resort 47447c478bd9Sstevel@tonic-gate */ 47457c478bd9Sstevel@tonic-gate if ((mod_flags & DDI_PROP_DONTPASS) != 0) 47467c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47477c478bd9Sstevel@tonic-gate 47487c478bd9Sstevel@tonic-gate if (ch_dip == ddi_root_node()) { 47497c478bd9Sstevel@tonic-gate /* 47507c478bd9Sstevel@tonic-gate * As a last resort, when we've reached 47517c478bd9Sstevel@tonic-gate * the top and still haven't found the 47527c478bd9Sstevel@tonic-gate * property, see if the desired property 47537c478bd9Sstevel@tonic-gate * is attached to the options node. 47547c478bd9Sstevel@tonic-gate * 47557c478bd9Sstevel@tonic-gate * The options dip is attached right after boot. 47567c478bd9Sstevel@tonic-gate */ 47577c478bd9Sstevel@tonic-gate ASSERT(options_dip != NULL); 47587c478bd9Sstevel@tonic-gate /* 47597c478bd9Sstevel@tonic-gate * Force the "don't pass" flag to *just* see 47607c478bd9Sstevel@tonic-gate * what the options node has to offer. 47617c478bd9Sstevel@tonic-gate */ 47627c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, options_dip, prop_op, 47637c478bd9Sstevel@tonic-gate mod_flags|DDI_PROP_DONTPASS, name, valuep, 47647c478bd9Sstevel@tonic-gate (uint_t *)lengthp)); 47657c478bd9Sstevel@tonic-gate } 47667c478bd9Sstevel@tonic-gate 47677c478bd9Sstevel@tonic-gate /* 47687c478bd9Sstevel@tonic-gate * Otherwise, continue search with parent's s/w defined properties... 47697c478bd9Sstevel@tonic-gate * NOTE: Using `dip' in following call increments the level. 47707c478bd9Sstevel@tonic-gate */ 47717c478bd9Sstevel@tonic-gate 47727c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, dip, prop_op, mod_flags, 47737c478bd9Sstevel@tonic-gate name, valuep, (uint_t *)lengthp)); 47747c478bd9Sstevel@tonic-gate } 47757c478bd9Sstevel@tonic-gate 47767c478bd9Sstevel@tonic-gate /* 47777c478bd9Sstevel@tonic-gate * External property functions used by other parts of the kernel... 47787c478bd9Sstevel@tonic-gate */ 47797c478bd9Sstevel@tonic-gate 47807c478bd9Sstevel@tonic-gate /* 47817c478bd9Sstevel@tonic-gate * e_ddi_getlongprop: See comments for ddi_get_longprop. 47827c478bd9Sstevel@tonic-gate */ 47837c478bd9Sstevel@tonic-gate 47847c478bd9Sstevel@tonic-gate int 47857c478bd9Sstevel@tonic-gate e_ddi_getlongprop(dev_t dev, vtype_t type, char *name, int flags, 47867c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 47877c478bd9Sstevel@tonic-gate { 47887c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 47897c478bd9Sstevel@tonic-gate dev_info_t *devi; 47907c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_ALLOC; 47917c478bd9Sstevel@tonic-gate int error; 47927c478bd9Sstevel@tonic-gate 47937c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47947c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47957c478bd9Sstevel@tonic-gate 47967c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 47977c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 47987c478bd9Sstevel@tonic-gate return (error); 47997c478bd9Sstevel@tonic-gate } 48007c478bd9Sstevel@tonic-gate 48017c478bd9Sstevel@tonic-gate /* 48027c478bd9Sstevel@tonic-gate * e_ddi_getlongprop_buf: See comments for ddi_getlongprop_buf. 48037c478bd9Sstevel@tonic-gate */ 48047c478bd9Sstevel@tonic-gate 48057c478bd9Sstevel@tonic-gate int 48067c478bd9Sstevel@tonic-gate e_ddi_getlongprop_buf(dev_t dev, vtype_t type, char *name, int flags, 48077c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 48087c478bd9Sstevel@tonic-gate { 48097c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48107c478bd9Sstevel@tonic-gate dev_info_t *devi; 48117c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48127c478bd9Sstevel@tonic-gate int error; 48137c478bd9Sstevel@tonic-gate 48147c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48157c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 48167c478bd9Sstevel@tonic-gate 48177c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 48187c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48197c478bd9Sstevel@tonic-gate return (error); 48207c478bd9Sstevel@tonic-gate } 48217c478bd9Sstevel@tonic-gate 48227c478bd9Sstevel@tonic-gate /* 48237c478bd9Sstevel@tonic-gate * e_ddi_getprop: See comments for ddi_getprop. 48247c478bd9Sstevel@tonic-gate */ 48257c478bd9Sstevel@tonic-gate int 48267c478bd9Sstevel@tonic-gate e_ddi_getprop(dev_t dev, vtype_t type, char *name, int flags, int defvalue) 48277c478bd9Sstevel@tonic-gate { 48287c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48297c478bd9Sstevel@tonic-gate dev_info_t *devi; 48307c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48317c478bd9Sstevel@tonic-gate int propvalue = defvalue; 48327c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 48337c478bd9Sstevel@tonic-gate int error; 48347c478bd9Sstevel@tonic-gate 48357c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48367c478bd9Sstevel@tonic-gate return (defvalue); 48377c478bd9Sstevel@tonic-gate 48387c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, 48397c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 48407c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48417c478bd9Sstevel@tonic-gate 48427c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 48437c478bd9Sstevel@tonic-gate propvalue = 1; 48447c478bd9Sstevel@tonic-gate 48457c478bd9Sstevel@tonic-gate return (propvalue); 48467c478bd9Sstevel@tonic-gate } 48477c478bd9Sstevel@tonic-gate 48487c478bd9Sstevel@tonic-gate /* 48497c478bd9Sstevel@tonic-gate * e_ddi_getprop_int64: 48507c478bd9Sstevel@tonic-gate * 48517c478bd9Sstevel@tonic-gate * This is a typed interfaces, but predates typed properties. With the 48527c478bd9Sstevel@tonic-gate * introduction of typed properties the framework tries to ensure 48537c478bd9Sstevel@tonic-gate * consistent use of typed interfaces. This is why TYPE_INT64 is not 48547c478bd9Sstevel@tonic-gate * part of TYPE_ANY. E_ddi_getprop_int64 is a special case where a 48557c478bd9Sstevel@tonic-gate * typed interface invokes legacy (non-typed) interfaces: 48567c478bd9Sstevel@tonic-gate * cdev_prop_op(), prop_op(9E), ddi_prop_op(9F)). In this case the 48577c478bd9Sstevel@tonic-gate * fact that TYPE_INT64 is not part of TYPE_ANY matters. To support 48587c478bd9Sstevel@tonic-gate * this type of lookup as a single operation we invoke the legacy 48597c478bd9Sstevel@tonic-gate * non-typed interfaces with the special CONSUMER_TYPED bit set. The 48607c478bd9Sstevel@tonic-gate * framework ddi_prop_op(9F) implementation is expected to check for 48617c478bd9Sstevel@tonic-gate * CONSUMER_TYPED and, if set, expand type bits beyond TYPE_ANY 48627c478bd9Sstevel@tonic-gate * (currently TYPE_INT64). 48637c478bd9Sstevel@tonic-gate */ 48647c478bd9Sstevel@tonic-gate int64_t 48657c478bd9Sstevel@tonic-gate e_ddi_getprop_int64(dev_t dev, vtype_t type, char *name, 48667c478bd9Sstevel@tonic-gate int flags, int64_t defvalue) 48677c478bd9Sstevel@tonic-gate { 48687c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48697c478bd9Sstevel@tonic-gate dev_info_t *devi; 48707c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 48717c478bd9Sstevel@tonic-gate int64_t propvalue = defvalue; 48727c478bd9Sstevel@tonic-gate int proplength = sizeof (propvalue); 48737c478bd9Sstevel@tonic-gate int error; 48747c478bd9Sstevel@tonic-gate 48757c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48767c478bd9Sstevel@tonic-gate return (defvalue); 48777c478bd9Sstevel@tonic-gate 48787c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags | 48797c478bd9Sstevel@tonic-gate DDI_PROP_CONSUMER_TYPED, name, (caddr_t)&propvalue, &proplength); 48807c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48817c478bd9Sstevel@tonic-gate 48827c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 48837c478bd9Sstevel@tonic-gate propvalue = 1; 48847c478bd9Sstevel@tonic-gate 48857c478bd9Sstevel@tonic-gate return (propvalue); 48867c478bd9Sstevel@tonic-gate } 48877c478bd9Sstevel@tonic-gate 48887c478bd9Sstevel@tonic-gate /* 48897c478bd9Sstevel@tonic-gate * e_ddi_getproplen: See comments for ddi_getproplen. 48907c478bd9Sstevel@tonic-gate */ 48917c478bd9Sstevel@tonic-gate int 48927c478bd9Sstevel@tonic-gate e_ddi_getproplen(dev_t dev, vtype_t type, char *name, int flags, int *lengthp) 48937c478bd9Sstevel@tonic-gate { 48947c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48957c478bd9Sstevel@tonic-gate dev_info_t *devi; 48967c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN; 48977c478bd9Sstevel@tonic-gate int error; 48987c478bd9Sstevel@tonic-gate 48997c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 49007c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 49017c478bd9Sstevel@tonic-gate 49027c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, NULL, lengthp); 49037c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 49047c478bd9Sstevel@tonic-gate return (error); 49057c478bd9Sstevel@tonic-gate } 49067c478bd9Sstevel@tonic-gate 49077c478bd9Sstevel@tonic-gate /* 49087c478bd9Sstevel@tonic-gate * Routines to get at elements of the dev_info structure 49097c478bd9Sstevel@tonic-gate */ 49107c478bd9Sstevel@tonic-gate 49117c478bd9Sstevel@tonic-gate /* 49127c478bd9Sstevel@tonic-gate * ddi_binding_name: Return the driver binding name of the devinfo node 49137c478bd9Sstevel@tonic-gate * This is the name the OS used to bind the node to a driver. 49147c478bd9Sstevel@tonic-gate */ 49157c478bd9Sstevel@tonic-gate char * 49167c478bd9Sstevel@tonic-gate ddi_binding_name(dev_info_t *dip) 49177c478bd9Sstevel@tonic-gate { 49187c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 49197c478bd9Sstevel@tonic-gate } 49207c478bd9Sstevel@tonic-gate 49217c478bd9Sstevel@tonic-gate /* 49227c478bd9Sstevel@tonic-gate * ddi_driver_major: Return the major number of the driver that 49235c066ec2SJerry Gilliam * the supplied devinfo is bound to. If not yet bound, 49245c066ec2SJerry Gilliam * DDI_MAJOR_T_NONE. 49255c066ec2SJerry Gilliam * 49265c066ec2SJerry Gilliam * When used by the driver bound to 'devi', this 49275c066ec2SJerry Gilliam * function will reliably return the driver major number. 49285c066ec2SJerry Gilliam * Other ways of determining the driver major number, such as 49295c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_get_name(devi)); 49305c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_binding_name(devi)); 49315c066ec2SJerry Gilliam * can return a different result as the driver/alias binding 49325c066ec2SJerry Gilliam * can change dynamically, and thus should be avoided. 49337c478bd9Sstevel@tonic-gate */ 49347c478bd9Sstevel@tonic-gate major_t 49357c478bd9Sstevel@tonic-gate ddi_driver_major(dev_info_t *devi) 49367c478bd9Sstevel@tonic-gate { 49377c478bd9Sstevel@tonic-gate return (DEVI(devi)->devi_major); 49387c478bd9Sstevel@tonic-gate } 49397c478bd9Sstevel@tonic-gate 49407c478bd9Sstevel@tonic-gate /* 49417c478bd9Sstevel@tonic-gate * ddi_driver_name: Return the normalized driver name. this is the 49427c478bd9Sstevel@tonic-gate * actual driver name 49437c478bd9Sstevel@tonic-gate */ 49447c478bd9Sstevel@tonic-gate const char * 49457c478bd9Sstevel@tonic-gate ddi_driver_name(dev_info_t *devi) 49467c478bd9Sstevel@tonic-gate { 49477c478bd9Sstevel@tonic-gate major_t major; 49487c478bd9Sstevel@tonic-gate 4949a204de77Scth if ((major = ddi_driver_major(devi)) != DDI_MAJOR_T_NONE) 49507c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major)); 49517c478bd9Sstevel@tonic-gate 49527c478bd9Sstevel@tonic-gate return (ddi_node_name(devi)); 49537c478bd9Sstevel@tonic-gate } 49547c478bd9Sstevel@tonic-gate 49557c478bd9Sstevel@tonic-gate /* 49567c478bd9Sstevel@tonic-gate * i_ddi_set_binding_name: Set binding name. 49577c478bd9Sstevel@tonic-gate * 49587c478bd9Sstevel@tonic-gate * Set the binding name to the given name. 49597c478bd9Sstevel@tonic-gate * This routine is for use by the ddi implementation, not by drivers. 49607c478bd9Sstevel@tonic-gate */ 49617c478bd9Sstevel@tonic-gate void 49627c478bd9Sstevel@tonic-gate i_ddi_set_binding_name(dev_info_t *dip, char *name) 49637c478bd9Sstevel@tonic-gate { 49647c478bd9Sstevel@tonic-gate DEVI(dip)->devi_binding_name = name; 49657c478bd9Sstevel@tonic-gate 49667c478bd9Sstevel@tonic-gate } 49677c478bd9Sstevel@tonic-gate 49687c478bd9Sstevel@tonic-gate /* 49697c478bd9Sstevel@tonic-gate * ddi_get_name: A synonym of ddi_binding_name() ... returns a name 49707c478bd9Sstevel@tonic-gate * the implementation has used to bind the node to a driver. 49717c478bd9Sstevel@tonic-gate */ 49727c478bd9Sstevel@tonic-gate char * 49737c478bd9Sstevel@tonic-gate ddi_get_name(dev_info_t *dip) 49747c478bd9Sstevel@tonic-gate { 49757c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 49767c478bd9Sstevel@tonic-gate } 49777c478bd9Sstevel@tonic-gate 49787c478bd9Sstevel@tonic-gate /* 49797c478bd9Sstevel@tonic-gate * ddi_node_name: Return the name property of the devinfo node 49807c478bd9Sstevel@tonic-gate * This may differ from ddi_binding_name if the node name 49817c478bd9Sstevel@tonic-gate * does not define a binding to a driver (i.e. generic names). 49827c478bd9Sstevel@tonic-gate */ 49837c478bd9Sstevel@tonic-gate char * 49847c478bd9Sstevel@tonic-gate ddi_node_name(dev_info_t *dip) 49857c478bd9Sstevel@tonic-gate { 49867c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_node_name); 49877c478bd9Sstevel@tonic-gate } 49887c478bd9Sstevel@tonic-gate 49897c478bd9Sstevel@tonic-gate 49907c478bd9Sstevel@tonic-gate /* 49917c478bd9Sstevel@tonic-gate * ddi_get_nodeid: Get nodeid stored in dev_info structure. 49927c478bd9Sstevel@tonic-gate */ 49937c478bd9Sstevel@tonic-gate int 49947c478bd9Sstevel@tonic-gate ddi_get_nodeid(dev_info_t *dip) 49957c478bd9Sstevel@tonic-gate { 49967c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_nodeid); 49977c478bd9Sstevel@tonic-gate } 49987c478bd9Sstevel@tonic-gate 49997c478bd9Sstevel@tonic-gate int 50007c478bd9Sstevel@tonic-gate ddi_get_instance(dev_info_t *dip) 50017c478bd9Sstevel@tonic-gate { 50027c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_instance); 50037c478bd9Sstevel@tonic-gate } 50047c478bd9Sstevel@tonic-gate 50057c478bd9Sstevel@tonic-gate struct dev_ops * 50067c478bd9Sstevel@tonic-gate ddi_get_driver(dev_info_t *dip) 50077c478bd9Sstevel@tonic-gate { 50087c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_ops); 50097c478bd9Sstevel@tonic-gate } 50107c478bd9Sstevel@tonic-gate 50117c478bd9Sstevel@tonic-gate void 50127c478bd9Sstevel@tonic-gate ddi_set_driver(dev_info_t *dip, struct dev_ops *devo) 50137c478bd9Sstevel@tonic-gate { 50147c478bd9Sstevel@tonic-gate DEVI(dip)->devi_ops = devo; 50157c478bd9Sstevel@tonic-gate } 50167c478bd9Sstevel@tonic-gate 50177c478bd9Sstevel@tonic-gate /* 50187c478bd9Sstevel@tonic-gate * ddi_set_driver_private/ddi_get_driver_private: 50197c478bd9Sstevel@tonic-gate * Get/set device driver private data in devinfo. 50207c478bd9Sstevel@tonic-gate */ 50217c478bd9Sstevel@tonic-gate void 50227c478bd9Sstevel@tonic-gate ddi_set_driver_private(dev_info_t *dip, void *data) 50237c478bd9Sstevel@tonic-gate { 50247c478bd9Sstevel@tonic-gate DEVI(dip)->devi_driver_data = data; 50257c478bd9Sstevel@tonic-gate } 50267c478bd9Sstevel@tonic-gate 50277c478bd9Sstevel@tonic-gate void * 50287c478bd9Sstevel@tonic-gate ddi_get_driver_private(dev_info_t *dip) 50297c478bd9Sstevel@tonic-gate { 50307c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_driver_data); 50317c478bd9Sstevel@tonic-gate } 50327c478bd9Sstevel@tonic-gate 50337c478bd9Sstevel@tonic-gate /* 50347c478bd9Sstevel@tonic-gate * ddi_get_parent, ddi_get_child, ddi_get_next_sibling 50357c478bd9Sstevel@tonic-gate */ 50367c478bd9Sstevel@tonic-gate 50377c478bd9Sstevel@tonic-gate dev_info_t * 50387c478bd9Sstevel@tonic-gate ddi_get_parent(dev_info_t *dip) 50397c478bd9Sstevel@tonic-gate { 50407c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_parent); 50417c478bd9Sstevel@tonic-gate } 50427c478bd9Sstevel@tonic-gate 50437c478bd9Sstevel@tonic-gate dev_info_t * 50447c478bd9Sstevel@tonic-gate ddi_get_child(dev_info_t *dip) 50457c478bd9Sstevel@tonic-gate { 50467c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_child); 50477c478bd9Sstevel@tonic-gate } 50487c478bd9Sstevel@tonic-gate 50497c478bd9Sstevel@tonic-gate dev_info_t * 50507c478bd9Sstevel@tonic-gate ddi_get_next_sibling(dev_info_t *dip) 50517c478bd9Sstevel@tonic-gate { 50527c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_sibling); 50537c478bd9Sstevel@tonic-gate } 50547c478bd9Sstevel@tonic-gate 50557c478bd9Sstevel@tonic-gate dev_info_t * 50567c478bd9Sstevel@tonic-gate ddi_get_next(dev_info_t *dip) 50577c478bd9Sstevel@tonic-gate { 50587c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_next); 50597c478bd9Sstevel@tonic-gate } 50607c478bd9Sstevel@tonic-gate 50617c478bd9Sstevel@tonic-gate void 50627c478bd9Sstevel@tonic-gate ddi_set_next(dev_info_t *dip, dev_info_t *nextdip) 50637c478bd9Sstevel@tonic-gate { 50647c478bd9Sstevel@tonic-gate DEVI(dip)->devi_next = DEVI(nextdip); 50657c478bd9Sstevel@tonic-gate } 50667c478bd9Sstevel@tonic-gate 50677c478bd9Sstevel@tonic-gate /* 50687c478bd9Sstevel@tonic-gate * ddi_root_node: Return root node of devinfo tree 50697c478bd9Sstevel@tonic-gate */ 50707c478bd9Sstevel@tonic-gate 50717c478bd9Sstevel@tonic-gate dev_info_t * 50727c478bd9Sstevel@tonic-gate ddi_root_node(void) 50737c478bd9Sstevel@tonic-gate { 50747c478bd9Sstevel@tonic-gate extern dev_info_t *top_devinfo; 50757c478bd9Sstevel@tonic-gate 50767c478bd9Sstevel@tonic-gate return (top_devinfo); 50777c478bd9Sstevel@tonic-gate } 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate /* 50807c478bd9Sstevel@tonic-gate * Miscellaneous functions: 50817c478bd9Sstevel@tonic-gate */ 50827c478bd9Sstevel@tonic-gate 50837c478bd9Sstevel@tonic-gate /* 50847c478bd9Sstevel@tonic-gate * Implementation specific hooks 50857c478bd9Sstevel@tonic-gate */ 50867c478bd9Sstevel@tonic-gate 50877c478bd9Sstevel@tonic-gate void 50887c478bd9Sstevel@tonic-gate ddi_report_dev(dev_info_t *d) 50897c478bd9Sstevel@tonic-gate { 50907c478bd9Sstevel@tonic-gate char *b; 50917c478bd9Sstevel@tonic-gate 50927c478bd9Sstevel@tonic-gate (void) ddi_ctlops(d, d, DDI_CTLOPS_REPORTDEV, (void *)0, (void *)0); 50937c478bd9Sstevel@tonic-gate 50947c478bd9Sstevel@tonic-gate /* 50957c478bd9Sstevel@tonic-gate * If this devinfo node has cb_ops, it's implicitly accessible from 50967c478bd9Sstevel@tonic-gate * userland, so we print its full name together with the instance 50977c478bd9Sstevel@tonic-gate * number 'abbreviation' that the driver may use internally. 50987c478bd9Sstevel@tonic-gate */ 50997c478bd9Sstevel@tonic-gate if (DEVI(d)->devi_ops->devo_cb_ops != (struct cb_ops *)0 && 51007c478bd9Sstevel@tonic-gate (b = kmem_zalloc(MAXPATHLEN, KM_NOSLEEP))) { 51017c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?%s%d is %s\n", 51027c478bd9Sstevel@tonic-gate ddi_driver_name(d), ddi_get_instance(d), 51037c478bd9Sstevel@tonic-gate ddi_pathname(d, b)); 51047c478bd9Sstevel@tonic-gate kmem_free(b, MAXPATHLEN); 51057c478bd9Sstevel@tonic-gate } 51067c478bd9Sstevel@tonic-gate } 51077c478bd9Sstevel@tonic-gate 51087c478bd9Sstevel@tonic-gate /* 51097c478bd9Sstevel@tonic-gate * ddi_ctlops() is described in the assembler not to buy a new register 51107c478bd9Sstevel@tonic-gate * window when it's called and can reduce cost in climbing the device tree 51117c478bd9Sstevel@tonic-gate * without using the tail call optimization. 51127c478bd9Sstevel@tonic-gate */ 51137c478bd9Sstevel@tonic-gate int 51147c478bd9Sstevel@tonic-gate ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *result) 51157c478bd9Sstevel@tonic-gate { 51167c478bd9Sstevel@tonic-gate int ret; 51177c478bd9Sstevel@tonic-gate 51187c478bd9Sstevel@tonic-gate ret = ddi_ctlops(dev, dev, DDI_CTLOPS_REGSIZE, 51197c478bd9Sstevel@tonic-gate (void *)&rnumber, (void *)result); 51207c478bd9Sstevel@tonic-gate 51217c478bd9Sstevel@tonic-gate return (ret == DDI_SUCCESS ? DDI_SUCCESS : DDI_FAILURE); 51227c478bd9Sstevel@tonic-gate } 51237c478bd9Sstevel@tonic-gate 51247c478bd9Sstevel@tonic-gate int 51257c478bd9Sstevel@tonic-gate ddi_dev_nregs(dev_info_t *dev, int *result) 51267c478bd9Sstevel@tonic-gate { 51277c478bd9Sstevel@tonic-gate return (ddi_ctlops(dev, dev, DDI_CTLOPS_NREGS, 0, (void *)result)); 51287c478bd9Sstevel@tonic-gate } 51297c478bd9Sstevel@tonic-gate 51307c478bd9Sstevel@tonic-gate int 51317c478bd9Sstevel@tonic-gate ddi_dev_is_sid(dev_info_t *d) 51327c478bd9Sstevel@tonic-gate { 51337c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SIDDEV, (void *)0, (void *)0)); 51347c478bd9Sstevel@tonic-gate } 51357c478bd9Sstevel@tonic-gate 51367c478bd9Sstevel@tonic-gate int 51377c478bd9Sstevel@tonic-gate ddi_slaveonly(dev_info_t *d) 51387c478bd9Sstevel@tonic-gate { 51397c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SLAVEONLY, (void *)0, (void *)0)); 51407c478bd9Sstevel@tonic-gate } 51417c478bd9Sstevel@tonic-gate 51427c478bd9Sstevel@tonic-gate int 51437c478bd9Sstevel@tonic-gate ddi_dev_affinity(dev_info_t *a, dev_info_t *b) 51447c478bd9Sstevel@tonic-gate { 51457c478bd9Sstevel@tonic-gate return (ddi_ctlops(a, a, DDI_CTLOPS_AFFINITY, (void *)b, (void *)0)); 51467c478bd9Sstevel@tonic-gate } 51477c478bd9Sstevel@tonic-gate 51487c478bd9Sstevel@tonic-gate int 51497c478bd9Sstevel@tonic-gate ddi_streams_driver(dev_info_t *dip) 51507c478bd9Sstevel@tonic-gate { 5151737d277aScth if (i_ddi_devi_attached(dip) && 51527c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops != NULL) && 51537c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops->cb_str != NULL)) 51547c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 51557c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 51567c478bd9Sstevel@tonic-gate } 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate /* 51597c478bd9Sstevel@tonic-gate * callback free list 51607c478bd9Sstevel@tonic-gate */ 51617c478bd9Sstevel@tonic-gate 51627c478bd9Sstevel@tonic-gate static int ncallbacks; 51637c478bd9Sstevel@tonic-gate static int nc_low = 170; 51647c478bd9Sstevel@tonic-gate static int nc_med = 512; 51657c478bd9Sstevel@tonic-gate static int nc_high = 2048; 51667c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackq; 51677c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackqfree; 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate /* 51707c478bd9Sstevel@tonic-gate * set/run callback lists 51717c478bd9Sstevel@tonic-gate */ 51727c478bd9Sstevel@tonic-gate struct cbstats { 51737c478bd9Sstevel@tonic-gate kstat_named_t cb_asked; 51747c478bd9Sstevel@tonic-gate kstat_named_t cb_new; 51757c478bd9Sstevel@tonic-gate kstat_named_t cb_run; 51767c478bd9Sstevel@tonic-gate kstat_named_t cb_delete; 51777c478bd9Sstevel@tonic-gate kstat_named_t cb_maxreq; 51787c478bd9Sstevel@tonic-gate kstat_named_t cb_maxlist; 51797c478bd9Sstevel@tonic-gate kstat_named_t cb_alloc; 51807c478bd9Sstevel@tonic-gate kstat_named_t cb_runouts; 51817c478bd9Sstevel@tonic-gate kstat_named_t cb_L2; 51827c478bd9Sstevel@tonic-gate kstat_named_t cb_grow; 51837c478bd9Sstevel@tonic-gate } cbstats = { 51847c478bd9Sstevel@tonic-gate {"asked", KSTAT_DATA_UINT32}, 51857c478bd9Sstevel@tonic-gate {"new", KSTAT_DATA_UINT32}, 51867c478bd9Sstevel@tonic-gate {"run", KSTAT_DATA_UINT32}, 51877c478bd9Sstevel@tonic-gate {"delete", KSTAT_DATA_UINT32}, 51887c478bd9Sstevel@tonic-gate {"maxreq", KSTAT_DATA_UINT32}, 51897c478bd9Sstevel@tonic-gate {"maxlist", KSTAT_DATA_UINT32}, 51907c478bd9Sstevel@tonic-gate {"alloc", KSTAT_DATA_UINT32}, 51917c478bd9Sstevel@tonic-gate {"runouts", KSTAT_DATA_UINT32}, 51927c478bd9Sstevel@tonic-gate {"L2", KSTAT_DATA_UINT32}, 51937c478bd9Sstevel@tonic-gate {"grow", KSTAT_DATA_UINT32}, 51947c478bd9Sstevel@tonic-gate }; 51957c478bd9Sstevel@tonic-gate 51967c478bd9Sstevel@tonic-gate #define nc_asked cb_asked.value.ui32 51977c478bd9Sstevel@tonic-gate #define nc_new cb_new.value.ui32 51987c478bd9Sstevel@tonic-gate #define nc_run cb_run.value.ui32 51997c478bd9Sstevel@tonic-gate #define nc_delete cb_delete.value.ui32 52007c478bd9Sstevel@tonic-gate #define nc_maxreq cb_maxreq.value.ui32 52017c478bd9Sstevel@tonic-gate #define nc_maxlist cb_maxlist.value.ui32 52027c478bd9Sstevel@tonic-gate #define nc_alloc cb_alloc.value.ui32 52037c478bd9Sstevel@tonic-gate #define nc_runouts cb_runouts.value.ui32 52047c478bd9Sstevel@tonic-gate #define nc_L2 cb_L2.value.ui32 52057c478bd9Sstevel@tonic-gate #define nc_grow cb_grow.value.ui32 52067c478bd9Sstevel@tonic-gate 52077c478bd9Sstevel@tonic-gate static kmutex_t ddi_callback_mutex; 52087c478bd9Sstevel@tonic-gate 52097c478bd9Sstevel@tonic-gate /* 52107c478bd9Sstevel@tonic-gate * callbacks are handled using a L1/L2 cache. The L1 cache 52117c478bd9Sstevel@tonic-gate * comes out of kmem_cache_alloc and can expand/shrink dynamically. If 52127c478bd9Sstevel@tonic-gate * we can't get callbacks from the L1 cache [because pageout is doing 52137c478bd9Sstevel@tonic-gate * I/O at the time freemem is 0], we allocate callbacks out of the 52147c478bd9Sstevel@tonic-gate * L2 cache. The L2 cache is static and depends on the memory size. 52157c478bd9Sstevel@tonic-gate * [We might also count the number of devices at probe time and 52167c478bd9Sstevel@tonic-gate * allocate one structure per device and adjust for deferred attach] 52177c478bd9Sstevel@tonic-gate */ 52187c478bd9Sstevel@tonic-gate void 52197c478bd9Sstevel@tonic-gate impl_ddi_callback_init(void) 52207c478bd9Sstevel@tonic-gate { 52217c478bd9Sstevel@tonic-gate int i; 52227c478bd9Sstevel@tonic-gate uint_t physmegs; 52237c478bd9Sstevel@tonic-gate kstat_t *ksp; 52247c478bd9Sstevel@tonic-gate 52257c478bd9Sstevel@tonic-gate physmegs = physmem >> (20 - PAGESHIFT); 52267c478bd9Sstevel@tonic-gate if (physmegs < 48) { 52277c478bd9Sstevel@tonic-gate ncallbacks = nc_low; 52287c478bd9Sstevel@tonic-gate } else if (physmegs < 128) { 52297c478bd9Sstevel@tonic-gate ncallbacks = nc_med; 52307c478bd9Sstevel@tonic-gate } else { 52317c478bd9Sstevel@tonic-gate ncallbacks = nc_high; 52327c478bd9Sstevel@tonic-gate } 52337c478bd9Sstevel@tonic-gate 52347c478bd9Sstevel@tonic-gate /* 52357c478bd9Sstevel@tonic-gate * init free list 52367c478bd9Sstevel@tonic-gate */ 52377c478bd9Sstevel@tonic-gate callbackq = kmem_zalloc( 52387c478bd9Sstevel@tonic-gate ncallbacks * sizeof (struct ddi_callback), KM_SLEEP); 52397c478bd9Sstevel@tonic-gate for (i = 0; i < ncallbacks-1; i++) 52407c478bd9Sstevel@tonic-gate callbackq[i].c_nfree = &callbackq[i+1]; 52417c478bd9Sstevel@tonic-gate callbackqfree = callbackq; 52427c478bd9Sstevel@tonic-gate 52437c478bd9Sstevel@tonic-gate /* init kstats */ 52447c478bd9Sstevel@tonic-gate if (ksp = kstat_create("unix", 0, "cbstats", "misc", KSTAT_TYPE_NAMED, 52457c478bd9Sstevel@tonic-gate sizeof (cbstats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL)) { 52467c478bd9Sstevel@tonic-gate ksp->ks_data = (void *) &cbstats; 52477c478bd9Sstevel@tonic-gate kstat_install(ksp); 52487c478bd9Sstevel@tonic-gate } 52497c478bd9Sstevel@tonic-gate 52507c478bd9Sstevel@tonic-gate } 52517c478bd9Sstevel@tonic-gate 52527c478bd9Sstevel@tonic-gate static void 52537c478bd9Sstevel@tonic-gate callback_insert(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid, 52547c478bd9Sstevel@tonic-gate int count) 52557c478bd9Sstevel@tonic-gate { 52567c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker, *new; 52577c478bd9Sstevel@tonic-gate size_t size = sizeof (struct ddi_callback); 52587c478bd9Sstevel@tonic-gate 52597c478bd9Sstevel@tonic-gate list = marker = (struct ddi_callback *)*listid; 52607c478bd9Sstevel@tonic-gate while (list != NULL) { 52617c478bd9Sstevel@tonic-gate if (list->c_call == funcp && list->c_arg == arg) { 52627c478bd9Sstevel@tonic-gate list->c_count += count; 52637c478bd9Sstevel@tonic-gate return; 52647c478bd9Sstevel@tonic-gate } 52657c478bd9Sstevel@tonic-gate marker = list; 52667c478bd9Sstevel@tonic-gate list = list->c_nlist; 52677c478bd9Sstevel@tonic-gate } 52687c478bd9Sstevel@tonic-gate new = kmem_alloc(size, KM_NOSLEEP); 52697c478bd9Sstevel@tonic-gate if (new == NULL) { 52707c478bd9Sstevel@tonic-gate new = callbackqfree; 52717c478bd9Sstevel@tonic-gate if (new == NULL) { 52727c478bd9Sstevel@tonic-gate new = kmem_alloc_tryhard(sizeof (struct ddi_callback), 52737c478bd9Sstevel@tonic-gate &size, KM_NOSLEEP | KM_PANIC); 52747c478bd9Sstevel@tonic-gate cbstats.nc_grow++; 52757c478bd9Sstevel@tonic-gate } else { 52767c478bd9Sstevel@tonic-gate callbackqfree = new->c_nfree; 52777c478bd9Sstevel@tonic-gate cbstats.nc_L2++; 52787c478bd9Sstevel@tonic-gate } 52797c478bd9Sstevel@tonic-gate } 52807c478bd9Sstevel@tonic-gate if (marker != NULL) { 52817c478bd9Sstevel@tonic-gate marker->c_nlist = new; 52827c478bd9Sstevel@tonic-gate } else { 52837c478bd9Sstevel@tonic-gate *listid = (uintptr_t)new; 52847c478bd9Sstevel@tonic-gate } 52857c478bd9Sstevel@tonic-gate new->c_size = size; 52867c478bd9Sstevel@tonic-gate new->c_nlist = NULL; 52877c478bd9Sstevel@tonic-gate new->c_call = funcp; 52887c478bd9Sstevel@tonic-gate new->c_arg = arg; 52897c478bd9Sstevel@tonic-gate new->c_count = count; 52907c478bd9Sstevel@tonic-gate cbstats.nc_new++; 52917c478bd9Sstevel@tonic-gate cbstats.nc_alloc++; 52927c478bd9Sstevel@tonic-gate if (cbstats.nc_alloc > cbstats.nc_maxlist) 52937c478bd9Sstevel@tonic-gate cbstats.nc_maxlist = cbstats.nc_alloc; 52947c478bd9Sstevel@tonic-gate } 52957c478bd9Sstevel@tonic-gate 52967c478bd9Sstevel@tonic-gate void 52977c478bd9Sstevel@tonic-gate ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid) 52987c478bd9Sstevel@tonic-gate { 52997c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53007c478bd9Sstevel@tonic-gate cbstats.nc_asked++; 53017c478bd9Sstevel@tonic-gate if ((cbstats.nc_asked - cbstats.nc_run) > cbstats.nc_maxreq) 53027c478bd9Sstevel@tonic-gate cbstats.nc_maxreq = (cbstats.nc_asked - cbstats.nc_run); 53037c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 1); 53047c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53057c478bd9Sstevel@tonic-gate } 53067c478bd9Sstevel@tonic-gate 53077c478bd9Sstevel@tonic-gate static void 53087c478bd9Sstevel@tonic-gate real_callback_run(void *Queue) 53097c478bd9Sstevel@tonic-gate { 53107c478bd9Sstevel@tonic-gate int (*funcp)(caddr_t); 53117c478bd9Sstevel@tonic-gate caddr_t arg; 53127c478bd9Sstevel@tonic-gate int count, rval; 53137c478bd9Sstevel@tonic-gate uintptr_t *listid; 53147c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker; 53157c478bd9Sstevel@tonic-gate int check_pending = 1; 53167c478bd9Sstevel@tonic-gate int pending = 0; 53177c478bd9Sstevel@tonic-gate 53187c478bd9Sstevel@tonic-gate do { 53197c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53207c478bd9Sstevel@tonic-gate listid = Queue; 53217c478bd9Sstevel@tonic-gate list = (struct ddi_callback *)*listid; 53227c478bd9Sstevel@tonic-gate if (list == NULL) { 53237c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53247c478bd9Sstevel@tonic-gate return; 53257c478bd9Sstevel@tonic-gate } 53267c478bd9Sstevel@tonic-gate if (check_pending) { 53277c478bd9Sstevel@tonic-gate marker = list; 53287c478bd9Sstevel@tonic-gate while (marker != NULL) { 53297c478bd9Sstevel@tonic-gate pending += marker->c_count; 53307c478bd9Sstevel@tonic-gate marker = marker->c_nlist; 53317c478bd9Sstevel@tonic-gate } 53327c478bd9Sstevel@tonic-gate check_pending = 0; 53337c478bd9Sstevel@tonic-gate } 53347c478bd9Sstevel@tonic-gate ASSERT(pending > 0); 53357c478bd9Sstevel@tonic-gate ASSERT(list->c_count > 0); 53367c478bd9Sstevel@tonic-gate funcp = list->c_call; 53377c478bd9Sstevel@tonic-gate arg = list->c_arg; 53387c478bd9Sstevel@tonic-gate count = list->c_count; 53397c478bd9Sstevel@tonic-gate *(uintptr_t *)Queue = (uintptr_t)list->c_nlist; 53407c478bd9Sstevel@tonic-gate if (list >= &callbackq[0] && 53417c478bd9Sstevel@tonic-gate list <= &callbackq[ncallbacks-1]) { 53427c478bd9Sstevel@tonic-gate list->c_nfree = callbackqfree; 53437c478bd9Sstevel@tonic-gate callbackqfree = list; 53447c478bd9Sstevel@tonic-gate } else 53457c478bd9Sstevel@tonic-gate kmem_free(list, list->c_size); 53467c478bd9Sstevel@tonic-gate 53477c478bd9Sstevel@tonic-gate cbstats.nc_delete++; 53487c478bd9Sstevel@tonic-gate cbstats.nc_alloc--; 53497c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53507c478bd9Sstevel@tonic-gate 53517c478bd9Sstevel@tonic-gate do { 53527c478bd9Sstevel@tonic-gate if ((rval = (*funcp)(arg)) == 0) { 53537c478bd9Sstevel@tonic-gate pending -= count; 53547c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53557c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 5356184cd04cScth count); 53577c478bd9Sstevel@tonic-gate cbstats.nc_runouts++; 53587c478bd9Sstevel@tonic-gate } else { 53597c478bd9Sstevel@tonic-gate pending--; 53607c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 53617c478bd9Sstevel@tonic-gate cbstats.nc_run++; 53627c478bd9Sstevel@tonic-gate } 53637c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 53647c478bd9Sstevel@tonic-gate } while (rval != 0 && (--count > 0)); 53657c478bd9Sstevel@tonic-gate } while (pending > 0); 53667c478bd9Sstevel@tonic-gate } 53677c478bd9Sstevel@tonic-gate 53687c478bd9Sstevel@tonic-gate void 53697c478bd9Sstevel@tonic-gate ddi_run_callback(uintptr_t *listid) 53707c478bd9Sstevel@tonic-gate { 53717c478bd9Sstevel@tonic-gate softcall(real_callback_run, listid); 53727c478bd9Sstevel@tonic-gate } 53737c478bd9Sstevel@tonic-gate 5374dd4eeefdSeota /* 5375dd4eeefdSeota * ddi_periodic_t 5376dd4eeefdSeota * ddi_periodic_add(void (*func)(void *), void *arg, hrtime_t interval, 5377dd4eeefdSeota * int level) 5378dd4eeefdSeota * 5379dd4eeefdSeota * INTERFACE LEVEL 5380dd4eeefdSeota * Solaris DDI specific (Solaris DDI) 5381dd4eeefdSeota * 5382dd4eeefdSeota * PARAMETERS 5383dd4eeefdSeota * func: the callback function 5384dd4eeefdSeota * 5385dd4eeefdSeota * The callback function will be invoked. The function is invoked 5386dd4eeefdSeota * in kernel context if the argument level passed is the zero. 5387dd4eeefdSeota * Otherwise it's invoked in interrupt context at the specified 5388dd4eeefdSeota * level. 5389dd4eeefdSeota * 5390dd4eeefdSeota * arg: the argument passed to the callback function 5391dd4eeefdSeota * 5392dd4eeefdSeota * interval: interval time 5393dd4eeefdSeota * 5394dd4eeefdSeota * level : callback interrupt level 5395dd4eeefdSeota * 5396dd4eeefdSeota * If the value is the zero, the callback function is invoked 5397dd4eeefdSeota * in kernel context. If the value is more than the zero, but 5398dd4eeefdSeota * less than or equal to ten, the callback function is invoked in 5399dd4eeefdSeota * interrupt context at the specified interrupt level, which may 5400dd4eeefdSeota * be used for real time applications. 5401dd4eeefdSeota * 5402dd4eeefdSeota * This value must be in range of 0-10, which can be a numeric 5403dd4eeefdSeota * number or a pre-defined macro (DDI_IPL_0, ... , DDI_IPL_10). 5404dd4eeefdSeota * 5405dd4eeefdSeota * DESCRIPTION 5406dd4eeefdSeota * ddi_periodic_add(9F) schedules the specified function to be 5407dd4eeefdSeota * periodically invoked in the interval time. 5408dd4eeefdSeota * 5409dd4eeefdSeota * As well as timeout(9F), the exact time interval over which the function 5410dd4eeefdSeota * takes effect cannot be guaranteed, but the value given is a close 5411dd4eeefdSeota * approximation. 5412dd4eeefdSeota * 5413dd4eeefdSeota * Drivers waiting on behalf of processes with real-time constraints must 5414dd4eeefdSeota * pass non-zero value with the level argument to ddi_periodic_add(9F). 5415dd4eeefdSeota * 5416dd4eeefdSeota * RETURN VALUES 5417dd4eeefdSeota * ddi_periodic_add(9F) returns a non-zero opaque value (ddi_periodic_t), 5418dd4eeefdSeota * which must be used for ddi_periodic_delete(9F) to specify the request. 5419dd4eeefdSeota * 5420dd4eeefdSeota * CONTEXT 5421dd4eeefdSeota * ddi_periodic_add(9F) can be called in user or kernel context, but 5422dd4eeefdSeota * it cannot be called in interrupt context, which is different from 5423dd4eeefdSeota * timeout(9F). 5424dd4eeefdSeota */ 5425dd4eeefdSeota ddi_periodic_t 5426dd4eeefdSeota ddi_periodic_add(void (*func)(void *), void *arg, hrtime_t interval, int level) 5427dd4eeefdSeota { 5428dd4eeefdSeota /* 5429dd4eeefdSeota * Sanity check of the argument level. 5430dd4eeefdSeota */ 5431dd4eeefdSeota if (level < DDI_IPL_0 || level > DDI_IPL_10) 5432dd4eeefdSeota cmn_err(CE_PANIC, 5433dd4eeefdSeota "ddi_periodic_add: invalid interrupt level (%d).", level); 5434dd4eeefdSeota 5435dd4eeefdSeota /* 5436dd4eeefdSeota * Sanity check of the context. ddi_periodic_add() cannot be 5437dd4eeefdSeota * called in either interrupt context or high interrupt context. 5438dd4eeefdSeota */ 5439dd4eeefdSeota if (servicing_interrupt()) 5440dd4eeefdSeota cmn_err(CE_PANIC, 5441dd4eeefdSeota "ddi_periodic_add: called in (high) interrupt context."); 5442dd4eeefdSeota 5443dd4eeefdSeota return ((ddi_periodic_t)i_timeout(func, arg, interval, level)); 5444dd4eeefdSeota } 5445dd4eeefdSeota 5446dd4eeefdSeota /* 5447dd4eeefdSeota * void 5448dd4eeefdSeota * ddi_periodic_delete(ddi_periodic_t req) 5449dd4eeefdSeota * 5450dd4eeefdSeota * INTERFACE LEVEL 5451dd4eeefdSeota * Solaris DDI specific (Solaris DDI) 5452dd4eeefdSeota * 5453dd4eeefdSeota * PARAMETERS 5454dd4eeefdSeota * req: ddi_periodic_t opaque value ddi_periodic_add(9F) returned 5455dd4eeefdSeota * previously. 5456dd4eeefdSeota * 5457dd4eeefdSeota * DESCRIPTION 5458dd4eeefdSeota * ddi_periodic_delete(9F) cancels the ddi_periodic_add(9F) request 5459dd4eeefdSeota * previously requested. 5460dd4eeefdSeota * 5461dd4eeefdSeota * ddi_periodic_delete(9F) will not return until the pending request 5462dd4eeefdSeota * is canceled or executed. 5463dd4eeefdSeota * 5464dd4eeefdSeota * As well as untimeout(9F), calling ddi_periodic_delete(9F) for a 5465dd4eeefdSeota * timeout which is either running on another CPU, or has already 5466dd4eeefdSeota * completed causes no problems. However, unlike untimeout(9F), there is 5467dd4eeefdSeota * no restrictions on the lock which might be held across the call to 5468dd4eeefdSeota * ddi_periodic_delete(9F). 5469dd4eeefdSeota * 5470dd4eeefdSeota * Drivers should be structured with the understanding that the arrival of 5471dd4eeefdSeota * both an interrupt and a timeout for that interrupt can occasionally 5472dd4eeefdSeota * occur, in either order. 5473dd4eeefdSeota * 5474dd4eeefdSeota * CONTEXT 5475dd4eeefdSeota * ddi_periodic_delete(9F) can be called in user or kernel context, but 5476dd4eeefdSeota * it cannot be called in interrupt context, which is different from 5477dd4eeefdSeota * untimeout(9F). 5478dd4eeefdSeota */ 5479dd4eeefdSeota void 5480dd4eeefdSeota ddi_periodic_delete(ddi_periodic_t req) 5481dd4eeefdSeota { 5482dd4eeefdSeota /* 5483dd4eeefdSeota * Sanity check of the context. ddi_periodic_delete() cannot be 5484dd4eeefdSeota * called in either interrupt context or high interrupt context. 5485dd4eeefdSeota */ 5486dd4eeefdSeota if (servicing_interrupt()) 5487dd4eeefdSeota cmn_err(CE_PANIC, 5488dd4eeefdSeota "ddi_periodic_delete: called in (high) interrupt context."); 5489dd4eeefdSeota 5490dd4eeefdSeota i_untimeout((timeout_t)req); 5491dd4eeefdSeota } 5492dd4eeefdSeota 54937c478bd9Sstevel@tonic-gate dev_info_t * 54947c478bd9Sstevel@tonic-gate nodevinfo(dev_t dev, int otyp) 54957c478bd9Sstevel@tonic-gate { 54967c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, otyp)) 54977c478bd9Sstevel@tonic-gate return ((dev_info_t *)0); 54987c478bd9Sstevel@tonic-gate } 54997c478bd9Sstevel@tonic-gate 55007c478bd9Sstevel@tonic-gate /* 55017c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 55027c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that don't expect their 55037c478bd9Sstevel@tonic-gate * getinfo(9E) entry point to be called. A driver that uses this must not 55047c478bd9Sstevel@tonic-gate * call ddi_create_minor_node. 55057c478bd9Sstevel@tonic-gate */ 55067c478bd9Sstevel@tonic-gate int 55077c478bd9Sstevel@tonic-gate ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 55087c478bd9Sstevel@tonic-gate { 55097c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, infocmd, arg, result)) 55107c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55117c478bd9Sstevel@tonic-gate } 55127c478bd9Sstevel@tonic-gate 55137c478bd9Sstevel@tonic-gate /* 55147c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 55157c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that where the minor number 55167c478bd9Sstevel@tonic-gate * is the instance. Drivers that do not have 1:1 mapping must implement 55177c478bd9Sstevel@tonic-gate * their own getinfo(9E) function. 55187c478bd9Sstevel@tonic-gate */ 55197c478bd9Sstevel@tonic-gate int 55207c478bd9Sstevel@tonic-gate ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 55217c478bd9Sstevel@tonic-gate void *arg, void **result) 55227c478bd9Sstevel@tonic-gate { 55237c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip)) 55247c478bd9Sstevel@tonic-gate int instance; 55257c478bd9Sstevel@tonic-gate 55267c478bd9Sstevel@tonic-gate if (infocmd != DDI_INFO_DEVT2INSTANCE) 55277c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55287c478bd9Sstevel@tonic-gate 55297c478bd9Sstevel@tonic-gate instance = getminor((dev_t)(uintptr_t)arg); 55307c478bd9Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 55317c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 55327c478bd9Sstevel@tonic-gate } 55337c478bd9Sstevel@tonic-gate 55347c478bd9Sstevel@tonic-gate int 55357c478bd9Sstevel@tonic-gate ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd) 55367c478bd9Sstevel@tonic-gate { 55377c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(devi, cmd)) 55387c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55397c478bd9Sstevel@tonic-gate } 55407c478bd9Sstevel@tonic-gate 55417c478bd9Sstevel@tonic-gate int 55427c478bd9Sstevel@tonic-gate ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 55437c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 55447c478bd9Sstevel@tonic-gate { 55457c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, dmareqp, handlep)) 55467c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 55477c478bd9Sstevel@tonic-gate } 55487c478bd9Sstevel@tonic-gate 55497c478bd9Sstevel@tonic-gate int 55507c478bd9Sstevel@tonic-gate ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 55517c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 55527c478bd9Sstevel@tonic-gate { 55537c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, attr, waitfp, arg, handlep)) 55547c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 55557c478bd9Sstevel@tonic-gate } 55567c478bd9Sstevel@tonic-gate 55577c478bd9Sstevel@tonic-gate int 55587c478bd9Sstevel@tonic-gate ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 55597c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 55607c478bd9Sstevel@tonic-gate { 55617c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 55627c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55637c478bd9Sstevel@tonic-gate } 55647c478bd9Sstevel@tonic-gate 55657c478bd9Sstevel@tonic-gate int 55667c478bd9Sstevel@tonic-gate ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 55677c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 55687c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 55697c478bd9Sstevel@tonic-gate { 55707c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, dmareq, cp, ccountp)) 55717c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 55727c478bd9Sstevel@tonic-gate } 55737c478bd9Sstevel@tonic-gate 55747c478bd9Sstevel@tonic-gate int 55757c478bd9Sstevel@tonic-gate ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 55767c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 55777c478bd9Sstevel@tonic-gate { 55787c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 55797c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55807c478bd9Sstevel@tonic-gate } 55817c478bd9Sstevel@tonic-gate 55827c478bd9Sstevel@tonic-gate int 55837c478bd9Sstevel@tonic-gate ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 55847c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 55857c478bd9Sstevel@tonic-gate uint_t cache_flags) 55867c478bd9Sstevel@tonic-gate { 55877c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, off, len, cache_flags)) 55887c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55897c478bd9Sstevel@tonic-gate } 55907c478bd9Sstevel@tonic-gate 55917c478bd9Sstevel@tonic-gate int 55927c478bd9Sstevel@tonic-gate ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 55937c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 55947c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 55957c478bd9Sstevel@tonic-gate { 55967c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, win, offp, lenp, cookiep, ccountp)) 55977c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 55987c478bd9Sstevel@tonic-gate } 55997c478bd9Sstevel@tonic-gate 56007c478bd9Sstevel@tonic-gate int 56017c478bd9Sstevel@tonic-gate ddi_no_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 56027c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 56037c478bd9Sstevel@tonic-gate off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 56047c478bd9Sstevel@tonic-gate { 56057c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, request, offp, lenp, objp, flags)) 56067c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 56077c478bd9Sstevel@tonic-gate } 56087c478bd9Sstevel@tonic-gate 56097c478bd9Sstevel@tonic-gate void 56107c478bd9Sstevel@tonic-gate ddivoid(void) 56117c478bd9Sstevel@tonic-gate {} 56127c478bd9Sstevel@tonic-gate 56137c478bd9Sstevel@tonic-gate int 56147c478bd9Sstevel@tonic-gate nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 56157c478bd9Sstevel@tonic-gate struct pollhead **pollhdrp) 56167c478bd9Sstevel@tonic-gate { 56177c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, events, anyyet, reventsp, pollhdrp)) 56187c478bd9Sstevel@tonic-gate return (ENXIO); 56197c478bd9Sstevel@tonic-gate } 56207c478bd9Sstevel@tonic-gate 56217c478bd9Sstevel@tonic-gate cred_t * 56227c478bd9Sstevel@tonic-gate ddi_get_cred(void) 56237c478bd9Sstevel@tonic-gate { 56247c478bd9Sstevel@tonic-gate return (CRED()); 56257c478bd9Sstevel@tonic-gate } 56267c478bd9Sstevel@tonic-gate 56277c478bd9Sstevel@tonic-gate clock_t 56287c478bd9Sstevel@tonic-gate ddi_get_lbolt(void) 56297c478bd9Sstevel@tonic-gate { 56307c478bd9Sstevel@tonic-gate return (lbolt); 56317c478bd9Sstevel@tonic-gate } 56327c478bd9Sstevel@tonic-gate 56337c478bd9Sstevel@tonic-gate time_t 56347c478bd9Sstevel@tonic-gate ddi_get_time(void) 56357c478bd9Sstevel@tonic-gate { 56367c478bd9Sstevel@tonic-gate time_t now; 56377c478bd9Sstevel@tonic-gate 56387c478bd9Sstevel@tonic-gate if ((now = gethrestime_sec()) == 0) { 56397c478bd9Sstevel@tonic-gate timestruc_t ts; 56407c478bd9Sstevel@tonic-gate mutex_enter(&tod_lock); 56417c478bd9Sstevel@tonic-gate ts = tod_get(); 56427c478bd9Sstevel@tonic-gate mutex_exit(&tod_lock); 56437c478bd9Sstevel@tonic-gate return (ts.tv_sec); 56447c478bd9Sstevel@tonic-gate } else { 56457c478bd9Sstevel@tonic-gate return (now); 56467c478bd9Sstevel@tonic-gate } 56477c478bd9Sstevel@tonic-gate } 56487c478bd9Sstevel@tonic-gate 56497c478bd9Sstevel@tonic-gate pid_t 56507c478bd9Sstevel@tonic-gate ddi_get_pid(void) 56517c478bd9Sstevel@tonic-gate { 56527c478bd9Sstevel@tonic-gate return (ttoproc(curthread)->p_pid); 56537c478bd9Sstevel@tonic-gate } 56547c478bd9Sstevel@tonic-gate 56557c478bd9Sstevel@tonic-gate kt_did_t 56567c478bd9Sstevel@tonic-gate ddi_get_kt_did(void) 56577c478bd9Sstevel@tonic-gate { 56587c478bd9Sstevel@tonic-gate return (curthread->t_did); 56597c478bd9Sstevel@tonic-gate } 56607c478bd9Sstevel@tonic-gate 56617c478bd9Sstevel@tonic-gate /* 56627c478bd9Sstevel@tonic-gate * This function returns B_TRUE if the caller can reasonably expect that a call 56637c478bd9Sstevel@tonic-gate * to cv_wait_sig(9F), cv_timedwait_sig(9F), or qwait_sig(9F) could be awakened 56647c478bd9Sstevel@tonic-gate * by user-level signal. If it returns B_FALSE, then the caller should use 56657c478bd9Sstevel@tonic-gate * other means to make certain that the wait will not hang "forever." 56667c478bd9Sstevel@tonic-gate * 56677c478bd9Sstevel@tonic-gate * It does not check the signal mask, nor for reception of any particular 56687c478bd9Sstevel@tonic-gate * signal. 56697c478bd9Sstevel@tonic-gate * 56707c478bd9Sstevel@tonic-gate * Currently, a thread can receive a signal if it's not a kernel thread and it 56717c478bd9Sstevel@tonic-gate * is not in the middle of exit(2) tear-down. Threads that are in that 56727c478bd9Sstevel@tonic-gate * tear-down effectively convert cv_wait_sig to cv_wait, cv_timedwait_sig to 56737c478bd9Sstevel@tonic-gate * cv_timedwait, and qwait_sig to qwait. 56747c478bd9Sstevel@tonic-gate */ 56757c478bd9Sstevel@tonic-gate boolean_t 56767c478bd9Sstevel@tonic-gate ddi_can_receive_sig(void) 56777c478bd9Sstevel@tonic-gate { 56787c478bd9Sstevel@tonic-gate proc_t *pp; 56797c478bd9Sstevel@tonic-gate 56807c478bd9Sstevel@tonic-gate if (curthread->t_proc_flag & TP_LWPEXIT) 56817c478bd9Sstevel@tonic-gate return (B_FALSE); 56827c478bd9Sstevel@tonic-gate if ((pp = ttoproc(curthread)) == NULL) 56837c478bd9Sstevel@tonic-gate return (B_FALSE); 56847c478bd9Sstevel@tonic-gate return (pp->p_as != &kas); 56857c478bd9Sstevel@tonic-gate } 56867c478bd9Sstevel@tonic-gate 56877c478bd9Sstevel@tonic-gate /* 56887c478bd9Sstevel@tonic-gate * Swap bytes in 16-bit [half-]words 56897c478bd9Sstevel@tonic-gate */ 56907c478bd9Sstevel@tonic-gate void 56917c478bd9Sstevel@tonic-gate swab(void *src, void *dst, size_t nbytes) 56927c478bd9Sstevel@tonic-gate { 56937c478bd9Sstevel@tonic-gate uchar_t *pf = (uchar_t *)src; 56947c478bd9Sstevel@tonic-gate uchar_t *pt = (uchar_t *)dst; 56957c478bd9Sstevel@tonic-gate uchar_t tmp; 56967c478bd9Sstevel@tonic-gate int nshorts; 56977c478bd9Sstevel@tonic-gate 56987c478bd9Sstevel@tonic-gate nshorts = nbytes >> 1; 56997c478bd9Sstevel@tonic-gate 57007c478bd9Sstevel@tonic-gate while (--nshorts >= 0) { 57017c478bd9Sstevel@tonic-gate tmp = *pf++; 57027c478bd9Sstevel@tonic-gate *pt++ = *pf++; 57037c478bd9Sstevel@tonic-gate *pt++ = tmp; 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate } 57067c478bd9Sstevel@tonic-gate 57077c478bd9Sstevel@tonic-gate static void 57087c478bd9Sstevel@tonic-gate ddi_append_minor_node(dev_info_t *ddip, struct ddi_minor_data *dmdp) 57097c478bd9Sstevel@tonic-gate { 5710b9ccdc5aScth int circ; 5711b9ccdc5aScth struct ddi_minor_data *dp; 57127c478bd9Sstevel@tonic-gate 5713b9ccdc5aScth ndi_devi_enter(ddip, &circ); 57147c478bd9Sstevel@tonic-gate if ((dp = DEVI(ddip)->devi_minor) == (struct ddi_minor_data *)NULL) { 57157c478bd9Sstevel@tonic-gate DEVI(ddip)->devi_minor = dmdp; 57167c478bd9Sstevel@tonic-gate } else { 57177c478bd9Sstevel@tonic-gate while (dp->next != (struct ddi_minor_data *)NULL) 57187c478bd9Sstevel@tonic-gate dp = dp->next; 57197c478bd9Sstevel@tonic-gate dp->next = dmdp; 57207c478bd9Sstevel@tonic-gate } 5721b9ccdc5aScth ndi_devi_exit(ddip, circ); 57227c478bd9Sstevel@tonic-gate } 57237c478bd9Sstevel@tonic-gate 57247c478bd9Sstevel@tonic-gate /* 57257c478bd9Sstevel@tonic-gate * Part of the obsolete SunCluster DDI Hooks. 57267c478bd9Sstevel@tonic-gate * Keep for binary compatibility 57277c478bd9Sstevel@tonic-gate */ 57287c478bd9Sstevel@tonic-gate minor_t 57297c478bd9Sstevel@tonic-gate ddi_getiminor(dev_t dev) 57307c478bd9Sstevel@tonic-gate { 57317c478bd9Sstevel@tonic-gate return (getminor(dev)); 57327c478bd9Sstevel@tonic-gate } 57337c478bd9Sstevel@tonic-gate 57347c478bd9Sstevel@tonic-gate static int 57357c478bd9Sstevel@tonic-gate i_log_devfs_minor_create(dev_info_t *dip, char *minor_name) 57367c478bd9Sstevel@tonic-gate { 57377c478bd9Sstevel@tonic-gate int se_flag; 57387c478bd9Sstevel@tonic-gate int kmem_flag; 57397c478bd9Sstevel@tonic-gate int se_err; 574030294554Sphitran char *pathname, *class_name; 57417c478bd9Sstevel@tonic-gate sysevent_t *ev = NULL; 57427c478bd9Sstevel@tonic-gate sysevent_id_t eid; 57437c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 57447c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 57457c478bd9Sstevel@tonic-gate 57467c478bd9Sstevel@tonic-gate /* determine interrupt context */ 57477c478bd9Sstevel@tonic-gate se_flag = (servicing_interrupt()) ? SE_NOSLEEP : SE_SLEEP; 57487c478bd9Sstevel@tonic-gate kmem_flag = (se_flag == SE_SLEEP) ? KM_SLEEP : KM_NOSLEEP; 57497c478bd9Sstevel@tonic-gate 57507c478bd9Sstevel@tonic-gate i_ddi_di_cache_invalidate(kmem_flag); 57517c478bd9Sstevel@tonic-gate 57527c478bd9Sstevel@tonic-gate #ifdef DEBUG 57537c478bd9Sstevel@tonic-gate if ((se_flag == SE_NOSLEEP) && sunddi_debug) { 57547c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "ddi_create_minor_node: called from " 57557c478bd9Sstevel@tonic-gate "interrupt level by driver %s", 57567c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 57577c478bd9Sstevel@tonic-gate } 57587c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 57597c478bd9Sstevel@tonic-gate 57607c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_CREATE, EP_DDI, se_flag); 57617c478bd9Sstevel@tonic-gate if (ev == NULL) { 57627c478bd9Sstevel@tonic-gate goto fail; 57637c478bd9Sstevel@tonic-gate } 57647c478bd9Sstevel@tonic-gate 57657c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, kmem_flag); 57667c478bd9Sstevel@tonic-gate if (pathname == NULL) { 57677c478bd9Sstevel@tonic-gate sysevent_free(ev); 57687c478bd9Sstevel@tonic-gate goto fail; 57697c478bd9Sstevel@tonic-gate } 57707c478bd9Sstevel@tonic-gate 57717c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 57727c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 57737c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 57747c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 57757c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 57767c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 57777c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 57787c478bd9Sstevel@tonic-gate sysevent_free(ev); 57797c478bd9Sstevel@tonic-gate goto fail; 57807c478bd9Sstevel@tonic-gate } 57817c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 57827c478bd9Sstevel@tonic-gate 578330294554Sphitran /* add the device class attribute */ 578430294554Sphitran if ((class_name = i_ddi_devi_class(dip)) != NULL) { 578530294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 578630294554Sphitran se_val.value.sv_string = class_name; 578730294554Sphitran if (sysevent_add_attr(&ev_attr_list, 578830294554Sphitran DEVFS_DEVI_CLASS, &se_val, SE_SLEEP) != 0) { 578930294554Sphitran sysevent_free_attr(ev_attr_list); 579030294554Sphitran goto fail; 579130294554Sphitran } 579230294554Sphitran } 579330294554Sphitran 57947c478bd9Sstevel@tonic-gate /* 57957c478bd9Sstevel@tonic-gate * allow for NULL minor names 57967c478bd9Sstevel@tonic-gate */ 57977c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 57987c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 57997c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 58007c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 58017c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58027c478bd9Sstevel@tonic-gate sysevent_free(ev); 58037c478bd9Sstevel@tonic-gate goto fail; 58047c478bd9Sstevel@tonic-gate } 58057c478bd9Sstevel@tonic-gate } 58067c478bd9Sstevel@tonic-gate 58077c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 58087c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58097c478bd9Sstevel@tonic-gate sysevent_free(ev); 58107c478bd9Sstevel@tonic-gate goto fail; 58117c478bd9Sstevel@tonic-gate } 58127c478bd9Sstevel@tonic-gate 58137c478bd9Sstevel@tonic-gate if ((se_err = log_sysevent(ev, se_flag, &eid)) != 0) { 58147c478bd9Sstevel@tonic-gate if (se_err == SE_NO_TRANSPORT) { 58157c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 58167c478bd9Sstevel@tonic-gate "for driver %s (%s). Run devfsadm -i %s", 58177c478bd9Sstevel@tonic-gate ddi_driver_name(dip), "syseventd not responding", 58187c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 58197c478bd9Sstevel@tonic-gate } else { 58207c478bd9Sstevel@tonic-gate sysevent_free(ev); 58217c478bd9Sstevel@tonic-gate goto fail; 58227c478bd9Sstevel@tonic-gate } 58237c478bd9Sstevel@tonic-gate } 58247c478bd9Sstevel@tonic-gate 58257c478bd9Sstevel@tonic-gate sysevent_free(ev); 58267c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58277c478bd9Sstevel@tonic-gate fail: 58287c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 58297c478bd9Sstevel@tonic-gate "for driver %s. Run devfsadm -i %s", 58307c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_driver_name(dip)); 58317c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58327c478bd9Sstevel@tonic-gate } 58337c478bd9Sstevel@tonic-gate 58347c478bd9Sstevel@tonic-gate /* 58357c478bd9Sstevel@tonic-gate * failing to remove a minor node is not of interest 58367c478bd9Sstevel@tonic-gate * therefore we do not generate an error message 58377c478bd9Sstevel@tonic-gate */ 58387c478bd9Sstevel@tonic-gate static int 58397c478bd9Sstevel@tonic-gate i_log_devfs_minor_remove(dev_info_t *dip, char *minor_name) 58407c478bd9Sstevel@tonic-gate { 584130294554Sphitran char *pathname, *class_name; 58427c478bd9Sstevel@tonic-gate sysevent_t *ev; 58437c478bd9Sstevel@tonic-gate sysevent_id_t eid; 58447c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 58457c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 58467c478bd9Sstevel@tonic-gate 58477c478bd9Sstevel@tonic-gate /* 58487c478bd9Sstevel@tonic-gate * only log ddi_remove_minor_node() calls outside the scope 58497c478bd9Sstevel@tonic-gate * of attach/detach reconfigurations and when the dip is 58507c478bd9Sstevel@tonic-gate * still initialized. 58517c478bd9Sstevel@tonic-gate */ 58527c478bd9Sstevel@tonic-gate if (DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip) || 58537c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) < DS_INITIALIZED)) { 58547c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58557c478bd9Sstevel@tonic-gate } 58567c478bd9Sstevel@tonic-gate 58577c478bd9Sstevel@tonic-gate i_ddi_di_cache_invalidate(KM_SLEEP); 58587c478bd9Sstevel@tonic-gate 58597c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_REMOVE, EP_DDI, SE_SLEEP); 58607c478bd9Sstevel@tonic-gate if (ev == NULL) { 58617c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58627c478bd9Sstevel@tonic-gate } 58637c478bd9Sstevel@tonic-gate 58647c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP); 58657c478bd9Sstevel@tonic-gate if (pathname == NULL) { 58667c478bd9Sstevel@tonic-gate sysevent_free(ev); 58677c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58687c478bd9Sstevel@tonic-gate } 58697c478bd9Sstevel@tonic-gate 58707c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 58717c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 58727c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 58737c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 58747c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 58757c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 58767c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 58777c478bd9Sstevel@tonic-gate sysevent_free(ev); 58787c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58797c478bd9Sstevel@tonic-gate } 58807c478bd9Sstevel@tonic-gate 58817c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 58827c478bd9Sstevel@tonic-gate 58837c478bd9Sstevel@tonic-gate /* 58847c478bd9Sstevel@tonic-gate * allow for NULL minor names 58857c478bd9Sstevel@tonic-gate */ 58867c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 58877c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 58887c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 58897c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 58907c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 58917c478bd9Sstevel@tonic-gate goto fail; 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate } 58947c478bd9Sstevel@tonic-gate 589530294554Sphitran if ((class_name = i_ddi_devi_class(dip)) != NULL) { 589630294554Sphitran /* add the device class, driver name and instance attributes */ 589730294554Sphitran 589830294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 589930294554Sphitran se_val.value.sv_string = class_name; 590030294554Sphitran if (sysevent_add_attr(&ev_attr_list, 590130294554Sphitran DEVFS_DEVI_CLASS, &se_val, SE_SLEEP) != 0) { 590230294554Sphitran sysevent_free_attr(ev_attr_list); 590330294554Sphitran goto fail; 590430294554Sphitran } 590530294554Sphitran 590630294554Sphitran se_val.value_type = SE_DATA_TYPE_STRING; 590730294554Sphitran se_val.value.sv_string = (char *)ddi_driver_name(dip); 590830294554Sphitran if (sysevent_add_attr(&ev_attr_list, 590930294554Sphitran DEVFS_DRIVER_NAME, &se_val, SE_SLEEP) != 0) { 591030294554Sphitran sysevent_free_attr(ev_attr_list); 591130294554Sphitran goto fail; 591230294554Sphitran } 591330294554Sphitran 591430294554Sphitran se_val.value_type = SE_DATA_TYPE_INT32; 591530294554Sphitran se_val.value.sv_int32 = ddi_get_instance(dip); 591630294554Sphitran if (sysevent_add_attr(&ev_attr_list, 591730294554Sphitran DEVFS_INSTANCE, &se_val, SE_SLEEP) != 0) { 591830294554Sphitran sysevent_free_attr(ev_attr_list); 591930294554Sphitran goto fail; 592030294554Sphitran } 592130294554Sphitran 592230294554Sphitran } 592330294554Sphitran 59247c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 59257c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 59267c478bd9Sstevel@tonic-gate } else { 59277c478bd9Sstevel@tonic-gate (void) log_sysevent(ev, SE_SLEEP, &eid); 59287c478bd9Sstevel@tonic-gate } 59297c478bd9Sstevel@tonic-gate fail: 59307c478bd9Sstevel@tonic-gate sysevent_free(ev); 59317c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 59327c478bd9Sstevel@tonic-gate } 59337c478bd9Sstevel@tonic-gate 59347c478bd9Sstevel@tonic-gate /* 59357c478bd9Sstevel@tonic-gate * Derive the device class of the node. 59367c478bd9Sstevel@tonic-gate * Device class names aren't defined yet. Until this is done we use 59377c478bd9Sstevel@tonic-gate * devfs event subclass names as device class names. 59387c478bd9Sstevel@tonic-gate */ 59397c478bd9Sstevel@tonic-gate static int 59407c478bd9Sstevel@tonic-gate derive_devi_class(dev_info_t *dip, char *node_type, int flag) 59417c478bd9Sstevel@tonic-gate { 59427c478bd9Sstevel@tonic-gate int rv = DDI_SUCCESS; 59437c478bd9Sstevel@tonic-gate 59447c478bd9Sstevel@tonic-gate if (i_ddi_devi_class(dip) == NULL) { 59457c478bd9Sstevel@tonic-gate if (strncmp(node_type, DDI_NT_BLOCK, 59467c478bd9Sstevel@tonic-gate sizeof (DDI_NT_BLOCK) - 1) == 0 && 59477c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_BLOCK) - 1] == '\0' || 59487c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_BLOCK) - 1] == ':') && 59497c478bd9Sstevel@tonic-gate strcmp(node_type, DDI_NT_FD) != 0) { 59507c478bd9Sstevel@tonic-gate 59517c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_DISK, flag); 59527c478bd9Sstevel@tonic-gate 59537c478bd9Sstevel@tonic-gate } else if (strncmp(node_type, DDI_NT_NET, 59547c478bd9Sstevel@tonic-gate sizeof (DDI_NT_NET) - 1) == 0 && 59557c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_NET) - 1] == '\0' || 59567c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_NET) - 1] == ':')) { 59577c478bd9Sstevel@tonic-gate 59587c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_NETWORK, flag); 5959db11e6feSjacobs 5960db11e6feSjacobs } else if (strncmp(node_type, DDI_NT_PRINTER, 5961db11e6feSjacobs sizeof (DDI_NT_PRINTER) - 1) == 0 && 5962db11e6feSjacobs (node_type[sizeof (DDI_NT_PRINTER) - 1] == '\0' || 5963db11e6feSjacobs node_type[sizeof (DDI_NT_PRINTER) - 1] == ':')) { 5964db11e6feSjacobs 5965db11e6feSjacobs rv = i_ddi_set_devi_class(dip, ESC_PRINTER, flag); 596630294554Sphitran 596730294554Sphitran } else if (strncmp(node_type, DDI_PSEUDO, 596830294554Sphitran sizeof (DDI_PSEUDO) -1) == 0 && 596930294554Sphitran (strncmp(ESC_LOFI, ddi_node_name(dip), 597030294554Sphitran sizeof (ESC_LOFI) -1) == 0)) { 597130294554Sphitran rv = i_ddi_set_devi_class(dip, ESC_LOFI, flag); 59727c478bd9Sstevel@tonic-gate } 59737c478bd9Sstevel@tonic-gate } 59747c478bd9Sstevel@tonic-gate 59757c478bd9Sstevel@tonic-gate return (rv); 59767c478bd9Sstevel@tonic-gate } 59777c478bd9Sstevel@tonic-gate 59787c478bd9Sstevel@tonic-gate /* 59797c478bd9Sstevel@tonic-gate * Check compliance with PSARC 2003/375: 59807c478bd9Sstevel@tonic-gate * 59817c478bd9Sstevel@tonic-gate * The name must contain only characters a-z, A-Z, 0-9 or _ and it must not 59827c478bd9Sstevel@tonic-gate * exceed IFNAMSIZ (16) characters in length. 59837c478bd9Sstevel@tonic-gate */ 59847c478bd9Sstevel@tonic-gate static boolean_t 59857c478bd9Sstevel@tonic-gate verify_name(char *name) 59867c478bd9Sstevel@tonic-gate { 59877c478bd9Sstevel@tonic-gate size_t len = strlen(name); 59887c478bd9Sstevel@tonic-gate char *cp; 59897c478bd9Sstevel@tonic-gate 59907c478bd9Sstevel@tonic-gate if (len == 0 || len > IFNAMSIZ) 59917c478bd9Sstevel@tonic-gate return (B_FALSE); 59927c478bd9Sstevel@tonic-gate 59937c478bd9Sstevel@tonic-gate for (cp = name; *cp != '\0'; cp++) { 59947c478bd9Sstevel@tonic-gate if (!isalnum(*cp) && *cp != '_') 59957c478bd9Sstevel@tonic-gate return (B_FALSE); 59967c478bd9Sstevel@tonic-gate } 59977c478bd9Sstevel@tonic-gate 59987c478bd9Sstevel@tonic-gate return (B_TRUE); 59997c478bd9Sstevel@tonic-gate } 60007c478bd9Sstevel@tonic-gate 60017c478bd9Sstevel@tonic-gate /* 60027c478bd9Sstevel@tonic-gate * ddi_create_minor_common: Create a ddi_minor_data structure and 60037c478bd9Sstevel@tonic-gate * attach it to the given devinfo node. 60047c478bd9Sstevel@tonic-gate */ 60057c478bd9Sstevel@tonic-gate 60067c478bd9Sstevel@tonic-gate int 60077c478bd9Sstevel@tonic-gate ddi_create_minor_common(dev_info_t *dip, char *name, int spec_type, 60087c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, ddi_minor_type mtype, 60097c478bd9Sstevel@tonic-gate const char *read_priv, const char *write_priv, mode_t priv_mode) 60107c478bd9Sstevel@tonic-gate { 60117c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 60127c478bd9Sstevel@tonic-gate major_t major; 60137c478bd9Sstevel@tonic-gate 60147c478bd9Sstevel@tonic-gate if (spec_type != S_IFCHR && spec_type != S_IFBLK) 60157c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60167c478bd9Sstevel@tonic-gate 60177c478bd9Sstevel@tonic-gate if (name == NULL) 60187c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60197c478bd9Sstevel@tonic-gate 60207c478bd9Sstevel@tonic-gate /* 60217c478bd9Sstevel@tonic-gate * Log a message if the minor number the driver is creating 60227c478bd9Sstevel@tonic-gate * is not expressible on the on-disk filesystem (currently 60237c478bd9Sstevel@tonic-gate * this is limited to 18 bits both by UFS). The device can 60247c478bd9Sstevel@tonic-gate * be opened via devfs, but not by device special files created 60257c478bd9Sstevel@tonic-gate * via mknod(). 60267c478bd9Sstevel@tonic-gate */ 60277c478bd9Sstevel@tonic-gate if (minor_num > L_MAXMIN32) { 60287c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, 60297c478bd9Sstevel@tonic-gate "%s%d:%s minor 0x%x too big for 32-bit applications", 60307c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), 60317c478bd9Sstevel@tonic-gate name, minor_num); 60327c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60337c478bd9Sstevel@tonic-gate } 60347c478bd9Sstevel@tonic-gate 60357c478bd9Sstevel@tonic-gate /* dip must be bound and attached */ 60367c478bd9Sstevel@tonic-gate major = ddi_driver_major(dip); 6037a204de77Scth ASSERT(major != DDI_MAJOR_T_NONE); 60387c478bd9Sstevel@tonic-gate 60397c478bd9Sstevel@tonic-gate /* 60407c478bd9Sstevel@tonic-gate * Default node_type to DDI_PSEUDO and issue notice in debug mode 60417c478bd9Sstevel@tonic-gate */ 60427c478bd9Sstevel@tonic-gate if (node_type == NULL) { 60437c478bd9Sstevel@tonic-gate node_type = DDI_PSEUDO; 60447c478bd9Sstevel@tonic-gate NDI_CONFIG_DEBUG((CE_NOTE, "!illegal node_type NULL for %s%d " 60457c478bd9Sstevel@tonic-gate " minor node %s; default to DDI_PSEUDO", 60467c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), name)); 60477c478bd9Sstevel@tonic-gate } 60487c478bd9Sstevel@tonic-gate 60497c478bd9Sstevel@tonic-gate /* 60507c478bd9Sstevel@tonic-gate * If the driver is a network driver, ensure that the name falls within 60517c478bd9Sstevel@tonic-gate * the interface naming constraints specified by PSARC/2003/375. 60527c478bd9Sstevel@tonic-gate */ 60537c478bd9Sstevel@tonic-gate if (strcmp(node_type, DDI_NT_NET) == 0) { 60547c478bd9Sstevel@tonic-gate if (!verify_name(name)) 60557c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60567c478bd9Sstevel@tonic-gate 60577c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 60587c478bd9Sstevel@tonic-gate struct devnames *dnp = &devnamesp[major]; 60597c478bd9Sstevel@tonic-gate 60607c478bd9Sstevel@tonic-gate /* Mark driver as a network driver */ 60617c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 60627c478bd9Sstevel@tonic-gate dnp->dn_flags |= DN_NETWORK_DRIVER; 60637c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 60647c478bd9Sstevel@tonic-gate } 60657c478bd9Sstevel@tonic-gate } 60667c478bd9Sstevel@tonic-gate 60677c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 60687c478bd9Sstevel@tonic-gate if (derive_devi_class(dip, node_type, KM_NOSLEEP) != 60697c478bd9Sstevel@tonic-gate DDI_SUCCESS) 60707c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60717c478bd9Sstevel@tonic-gate } 60727c478bd9Sstevel@tonic-gate 60737c478bd9Sstevel@tonic-gate /* 60747c478bd9Sstevel@tonic-gate * Take care of minor number information for the node. 60757c478bd9Sstevel@tonic-gate */ 60767c478bd9Sstevel@tonic-gate 60777c478bd9Sstevel@tonic-gate if ((dmdp = kmem_zalloc(sizeof (struct ddi_minor_data), 60787c478bd9Sstevel@tonic-gate KM_NOSLEEP)) == NULL) { 60797c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60807c478bd9Sstevel@tonic-gate } 60817c478bd9Sstevel@tonic-gate if ((dmdp->ddm_name = i_ddi_strdup(name, KM_NOSLEEP)) == NULL) { 60827c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 60837c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60847c478bd9Sstevel@tonic-gate } 60857c478bd9Sstevel@tonic-gate dmdp->dip = dip; 60867c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(major, minor_num); 60877c478bd9Sstevel@tonic-gate dmdp->ddm_spec_type = spec_type; 60887c478bd9Sstevel@tonic-gate dmdp->ddm_node_type = node_type; 60897c478bd9Sstevel@tonic-gate dmdp->type = mtype; 60907c478bd9Sstevel@tonic-gate if (flag & CLONE_DEV) { 60917c478bd9Sstevel@tonic-gate dmdp->type = DDM_ALIAS; 60927c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(ddi_driver_major(clone_dip), major); 60937c478bd9Sstevel@tonic-gate } 60947c478bd9Sstevel@tonic-gate if (flag & PRIVONLY_DEV) { 60957c478bd9Sstevel@tonic-gate dmdp->ddm_flags |= DM_NO_FSPERM; 60967c478bd9Sstevel@tonic-gate } 60977c478bd9Sstevel@tonic-gate if (read_priv || write_priv) { 60987c478bd9Sstevel@tonic-gate dmdp->ddm_node_priv = 60997c478bd9Sstevel@tonic-gate devpolicy_priv_by_name(read_priv, write_priv); 61007c478bd9Sstevel@tonic-gate } 61017c478bd9Sstevel@tonic-gate dmdp->ddm_priv_mode = priv_mode; 61027c478bd9Sstevel@tonic-gate 61037c478bd9Sstevel@tonic-gate ddi_append_minor_node(dip, dmdp); 61047c478bd9Sstevel@tonic-gate 61057c478bd9Sstevel@tonic-gate /* 61067c478bd9Sstevel@tonic-gate * only log ddi_create_minor_node() calls which occur 61077c478bd9Sstevel@tonic-gate * outside the scope of attach(9e)/detach(9e) reconfigurations 61087c478bd9Sstevel@tonic-gate */ 61097b3700d1Sszhou if (!(DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip)) && 61107b3700d1Sszhou mtype != DDM_INTERNAL_PATH) { 61117c478bd9Sstevel@tonic-gate (void) i_log_devfs_minor_create(dip, name); 61127c478bd9Sstevel@tonic-gate } 61137c478bd9Sstevel@tonic-gate 61147c478bd9Sstevel@tonic-gate /* 61157c478bd9Sstevel@tonic-gate * Check if any dacf rules match the creation of this minor node 61167c478bd9Sstevel@tonic-gate */ 61177c478bd9Sstevel@tonic-gate dacfc_match_create_minor(name, node_type, dip, dmdp, flag); 61187c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 61197c478bd9Sstevel@tonic-gate } 61207c478bd9Sstevel@tonic-gate 61217c478bd9Sstevel@tonic-gate int 61227c478bd9Sstevel@tonic-gate ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 61237c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 61247c478bd9Sstevel@tonic-gate { 61257c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61267c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, NULL, NULL, 0)); 61277c478bd9Sstevel@tonic-gate } 61287c478bd9Sstevel@tonic-gate 61297c478bd9Sstevel@tonic-gate int 61307c478bd9Sstevel@tonic-gate ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 61317c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, 61327c478bd9Sstevel@tonic-gate const char *rdpriv, const char *wrpriv, mode_t priv_mode) 61337c478bd9Sstevel@tonic-gate { 61347c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61357c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, rdpriv, wrpriv, priv_mode)); 61367c478bd9Sstevel@tonic-gate } 61377c478bd9Sstevel@tonic-gate 61387c478bd9Sstevel@tonic-gate int 61397c478bd9Sstevel@tonic-gate ddi_create_default_minor_node(dev_info_t *dip, char *name, int spec_type, 61407c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 61417c478bd9Sstevel@tonic-gate { 61427c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61437c478bd9Sstevel@tonic-gate node_type, flag, DDM_DEFAULT, NULL, NULL, 0)); 61447c478bd9Sstevel@tonic-gate } 61457c478bd9Sstevel@tonic-gate 61467c478bd9Sstevel@tonic-gate /* 61477c478bd9Sstevel@tonic-gate * Internal (non-ddi) routine for drivers to export names known 61487c478bd9Sstevel@tonic-gate * to the kernel (especially ddi_pathname_to_dev_t and friends) 61497c478bd9Sstevel@tonic-gate * but not exported externally to /dev 61507c478bd9Sstevel@tonic-gate */ 61517c478bd9Sstevel@tonic-gate int 61527c478bd9Sstevel@tonic-gate ddi_create_internal_pathname(dev_info_t *dip, char *name, int spec_type, 61537c478bd9Sstevel@tonic-gate minor_t minor_num) 61547c478bd9Sstevel@tonic-gate { 61557c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 61567c478bd9Sstevel@tonic-gate "internal", 0, DDM_INTERNAL_PATH, NULL, NULL, 0)); 61577c478bd9Sstevel@tonic-gate } 61587c478bd9Sstevel@tonic-gate 61597c478bd9Sstevel@tonic-gate void 61607c478bd9Sstevel@tonic-gate ddi_remove_minor_node(dev_info_t *dip, char *name) 61617c478bd9Sstevel@tonic-gate { 6162b9ccdc5aScth int circ; 6163b9ccdc5aScth struct ddi_minor_data *dmdp, *dmdp1; 6164b9ccdc5aScth struct ddi_minor_data **dmdp_prev; 61657c478bd9Sstevel@tonic-gate 6166b9ccdc5aScth ndi_devi_enter(dip, &circ); 61677c478bd9Sstevel@tonic-gate dmdp_prev = &DEVI(dip)->devi_minor; 61687c478bd9Sstevel@tonic-gate dmdp = DEVI(dip)->devi_minor; 61697c478bd9Sstevel@tonic-gate while (dmdp != NULL) { 61707c478bd9Sstevel@tonic-gate dmdp1 = dmdp->next; 61717c478bd9Sstevel@tonic-gate if ((name == NULL || (dmdp->ddm_name != NULL && 61727c478bd9Sstevel@tonic-gate strcmp(name, dmdp->ddm_name) == 0))) { 61737c478bd9Sstevel@tonic-gate if (dmdp->ddm_name != NULL) { 61747b3700d1Sszhou if (dmdp->type != DDM_INTERNAL_PATH) 61757b3700d1Sszhou (void) i_log_devfs_minor_remove(dip, 61767b3700d1Sszhou dmdp->ddm_name); 61777c478bd9Sstevel@tonic-gate kmem_free(dmdp->ddm_name, 61787c478bd9Sstevel@tonic-gate strlen(dmdp->ddm_name) + 1); 61797c478bd9Sstevel@tonic-gate } 61807c478bd9Sstevel@tonic-gate /* 61817c478bd9Sstevel@tonic-gate * Release device privilege, if any. 61827c478bd9Sstevel@tonic-gate * Release dacf client data associated with this minor 61837c478bd9Sstevel@tonic-gate * node by storing NULL. 61847c478bd9Sstevel@tonic-gate */ 61857c478bd9Sstevel@tonic-gate if (dmdp->ddm_node_priv) 61867c478bd9Sstevel@tonic-gate dpfree(dmdp->ddm_node_priv); 61877c478bd9Sstevel@tonic-gate dacf_store_info((dacf_infohdl_t)dmdp, NULL); 61887c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 61897c478bd9Sstevel@tonic-gate *dmdp_prev = dmdp1; 61907c478bd9Sstevel@tonic-gate /* 61917c478bd9Sstevel@tonic-gate * OK, we found it, so get out now -- if we drive on, 61927c478bd9Sstevel@tonic-gate * we will strcmp against garbage. See 1139209. 61937c478bd9Sstevel@tonic-gate */ 61947c478bd9Sstevel@tonic-gate if (name != NULL) 61957c478bd9Sstevel@tonic-gate break; 61967c478bd9Sstevel@tonic-gate } else { 61977c478bd9Sstevel@tonic-gate dmdp_prev = &dmdp->next; 61987c478bd9Sstevel@tonic-gate } 61997c478bd9Sstevel@tonic-gate dmdp = dmdp1; 62007c478bd9Sstevel@tonic-gate } 6201b9ccdc5aScth ndi_devi_exit(dip, circ); 62027c478bd9Sstevel@tonic-gate } 62037c478bd9Sstevel@tonic-gate 62047c478bd9Sstevel@tonic-gate 62057c478bd9Sstevel@tonic-gate int 62067c478bd9Sstevel@tonic-gate ddi_in_panic() 62077c478bd9Sstevel@tonic-gate { 62087c478bd9Sstevel@tonic-gate return (panicstr != NULL); 62097c478bd9Sstevel@tonic-gate } 62107c478bd9Sstevel@tonic-gate 62117c478bd9Sstevel@tonic-gate 62127c478bd9Sstevel@tonic-gate /* 62137c478bd9Sstevel@tonic-gate * Find first bit set in a mask (returned counting from 1 up) 62147c478bd9Sstevel@tonic-gate */ 62157c478bd9Sstevel@tonic-gate 62167c478bd9Sstevel@tonic-gate int 62177c478bd9Sstevel@tonic-gate ddi_ffs(long mask) 62187c478bd9Sstevel@tonic-gate { 62197c478bd9Sstevel@tonic-gate return (ffs(mask)); 62207c478bd9Sstevel@tonic-gate } 62217c478bd9Sstevel@tonic-gate 62227c478bd9Sstevel@tonic-gate /* 62237c478bd9Sstevel@tonic-gate * Find last bit set. Take mask and clear 62247c478bd9Sstevel@tonic-gate * all but the most significant bit, and 62257c478bd9Sstevel@tonic-gate * then let ffs do the rest of the work. 62267c478bd9Sstevel@tonic-gate * 62277c478bd9Sstevel@tonic-gate * Algorithm courtesy of Steve Chessin. 62287c478bd9Sstevel@tonic-gate */ 62297c478bd9Sstevel@tonic-gate 62307c478bd9Sstevel@tonic-gate int 62317c478bd9Sstevel@tonic-gate ddi_fls(long mask) 62327c478bd9Sstevel@tonic-gate { 62337c478bd9Sstevel@tonic-gate while (mask) { 62347c478bd9Sstevel@tonic-gate long nx; 62357c478bd9Sstevel@tonic-gate 62367c478bd9Sstevel@tonic-gate if ((nx = (mask & (mask - 1))) == 0) 62377c478bd9Sstevel@tonic-gate break; 62387c478bd9Sstevel@tonic-gate mask = nx; 62397c478bd9Sstevel@tonic-gate } 62407c478bd9Sstevel@tonic-gate return (ffs(mask)); 62417c478bd9Sstevel@tonic-gate } 62427c478bd9Sstevel@tonic-gate 62437c478bd9Sstevel@tonic-gate /* 62447c478bd9Sstevel@tonic-gate * The next five routines comprise generic storage management utilities 62457c478bd9Sstevel@tonic-gate * for driver soft state structures (in "the old days," this was done 62467c478bd9Sstevel@tonic-gate * with a statically sized array - big systems and dynamic loading 62477c478bd9Sstevel@tonic-gate * and unloading make heap allocation more attractive) 62487c478bd9Sstevel@tonic-gate */ 62497c478bd9Sstevel@tonic-gate 62507c478bd9Sstevel@tonic-gate /* 62517c478bd9Sstevel@tonic-gate * Allocate a set of pointers to 'n_items' objects of size 'size' 62527c478bd9Sstevel@tonic-gate * bytes. Each pointer is initialized to nil. 62537c478bd9Sstevel@tonic-gate * 62547c478bd9Sstevel@tonic-gate * The 'size' and 'n_items' values are stashed in the opaque 62557c478bd9Sstevel@tonic-gate * handle returned to the caller. 62567c478bd9Sstevel@tonic-gate * 62577c478bd9Sstevel@tonic-gate * This implementation interprets 'set of pointers' to mean 'array 62587c478bd9Sstevel@tonic-gate * of pointers' but note that nothing in the interface definition 62597c478bd9Sstevel@tonic-gate * precludes an implementation that uses, for example, a linked list. 62607c478bd9Sstevel@tonic-gate * However there should be a small efficiency gain from using an array 62617c478bd9Sstevel@tonic-gate * at lookup time. 62627c478bd9Sstevel@tonic-gate * 62637c478bd9Sstevel@tonic-gate * NOTE As an optimization, we make our growable array allocations in 62647c478bd9Sstevel@tonic-gate * powers of two (bytes), since that's how much kmem_alloc (currently) 62657c478bd9Sstevel@tonic-gate * gives us anyway. It should save us some free/realloc's .. 62667c478bd9Sstevel@tonic-gate * 62677c478bd9Sstevel@tonic-gate * As a further optimization, we make the growable array start out 62687c478bd9Sstevel@tonic-gate * with MIN_N_ITEMS in it. 62697c478bd9Sstevel@tonic-gate */ 62707c478bd9Sstevel@tonic-gate 62717c478bd9Sstevel@tonic-gate #define MIN_N_ITEMS 8 /* 8 void *'s == 32 bytes */ 62727c478bd9Sstevel@tonic-gate 62737c478bd9Sstevel@tonic-gate int 62747c478bd9Sstevel@tonic-gate ddi_soft_state_init(void **state_p, size_t size, size_t n_items) 62757c478bd9Sstevel@tonic-gate { 62767c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 62777c478bd9Sstevel@tonic-gate 62787c478bd9Sstevel@tonic-gate if (state_p == NULL || *state_p != NULL || size == 0) 62797c478bd9Sstevel@tonic-gate return (EINVAL); 62807c478bd9Sstevel@tonic-gate 62817c478bd9Sstevel@tonic-gate ss = kmem_zalloc(sizeof (*ss), KM_SLEEP); 62827c478bd9Sstevel@tonic-gate mutex_init(&ss->lock, NULL, MUTEX_DRIVER, NULL); 62837c478bd9Sstevel@tonic-gate ss->size = size; 62847c478bd9Sstevel@tonic-gate 62857c478bd9Sstevel@tonic-gate if (n_items < MIN_N_ITEMS) 62867c478bd9Sstevel@tonic-gate ss->n_items = MIN_N_ITEMS; 62877c478bd9Sstevel@tonic-gate else { 62887c478bd9Sstevel@tonic-gate int bitlog; 62897c478bd9Sstevel@tonic-gate 62907c478bd9Sstevel@tonic-gate if ((bitlog = ddi_fls(n_items)) == ddi_ffs(n_items)) 62917c478bd9Sstevel@tonic-gate bitlog--; 62927c478bd9Sstevel@tonic-gate ss->n_items = 1 << bitlog; 62937c478bd9Sstevel@tonic-gate } 62947c478bd9Sstevel@tonic-gate 62957c478bd9Sstevel@tonic-gate ASSERT(ss->n_items >= n_items); 62967c478bd9Sstevel@tonic-gate 62977c478bd9Sstevel@tonic-gate ss->array = kmem_zalloc(ss->n_items * sizeof (void *), KM_SLEEP); 62987c478bd9Sstevel@tonic-gate 62997c478bd9Sstevel@tonic-gate *state_p = ss; 63007c478bd9Sstevel@tonic-gate 63017c478bd9Sstevel@tonic-gate return (0); 63027c478bd9Sstevel@tonic-gate } 63037c478bd9Sstevel@tonic-gate 63047c478bd9Sstevel@tonic-gate 63057c478bd9Sstevel@tonic-gate /* 63067c478bd9Sstevel@tonic-gate * Allocate a state structure of size 'size' to be associated 63077c478bd9Sstevel@tonic-gate * with item 'item'. 63087c478bd9Sstevel@tonic-gate * 63097c478bd9Sstevel@tonic-gate * In this implementation, the array is extended to 63107c478bd9Sstevel@tonic-gate * allow the requested offset, if needed. 63117c478bd9Sstevel@tonic-gate */ 63127c478bd9Sstevel@tonic-gate int 63137c478bd9Sstevel@tonic-gate ddi_soft_state_zalloc(void *state, int item) 63147c478bd9Sstevel@tonic-gate { 63157c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 63167c478bd9Sstevel@tonic-gate void **array; 63177c478bd9Sstevel@tonic-gate void *new_element; 63187c478bd9Sstevel@tonic-gate 63197c478bd9Sstevel@tonic-gate if ((ss = state) == NULL || item < 0) 63207c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63217c478bd9Sstevel@tonic-gate 63227c478bd9Sstevel@tonic-gate mutex_enter(&ss->lock); 63237c478bd9Sstevel@tonic-gate if (ss->size == 0) { 63247c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 63257c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_soft_state_zalloc: bad handle: %s", 63267c478bd9Sstevel@tonic-gate mod_containing_pc(caller())); 63277c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63287c478bd9Sstevel@tonic-gate } 63297c478bd9Sstevel@tonic-gate 63307c478bd9Sstevel@tonic-gate array = ss->array; /* NULL if ss->n_items == 0 */ 63317c478bd9Sstevel@tonic-gate ASSERT(ss->n_items != 0 && array != NULL); 63327c478bd9Sstevel@tonic-gate 63337c478bd9Sstevel@tonic-gate /* 63347c478bd9Sstevel@tonic-gate * refuse to tread on an existing element 63357c478bd9Sstevel@tonic-gate */ 63367c478bd9Sstevel@tonic-gate if (item < ss->n_items && array[item] != NULL) { 63377c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 63387c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 63397c478bd9Sstevel@tonic-gate } 63407c478bd9Sstevel@tonic-gate 63417c478bd9Sstevel@tonic-gate /* 63427c478bd9Sstevel@tonic-gate * Allocate a new element to plug in 63437c478bd9Sstevel@tonic-gate */ 63447c478bd9Sstevel@tonic-gate new_element = kmem_zalloc(ss->size, KM_SLEEP); 63457c478bd9Sstevel@tonic-gate 63467c478bd9Sstevel@tonic-gate /* 63477c478bd9Sstevel@tonic-gate * Check if the array is big enough, if not, grow it. 63487c478bd9Sstevel@tonic-gate */ 63497c478bd9Sstevel@tonic-gate if (item >= ss->n_items) { 63507c478bd9Sstevel@tonic-gate void **new_array; 63517c478bd9Sstevel@tonic-gate size_t new_n_items; 63527c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *dirty; 63537c478bd9Sstevel@tonic-gate 63547c478bd9Sstevel@tonic-gate /* 63557c478bd9Sstevel@tonic-gate * Allocate a new array of the right length, copy 63567c478bd9Sstevel@tonic-gate * all the old pointers to the new array, then 63577c478bd9Sstevel@tonic-gate * if it exists at all, put the old array on the 63587c478bd9Sstevel@tonic-gate * dirty list. 63597c478bd9Sstevel@tonic-gate * 63607c478bd9Sstevel@tonic-gate * Note that we can't kmem_free() the old array. 63617c478bd9Sstevel@tonic-gate * 63627c478bd9Sstevel@tonic-gate * Why -- well the 'get' operation is 'mutex-free', so we 63637c478bd9Sstevel@tonic-gate * can't easily catch a suspended thread that is just about 63647c478bd9Sstevel@tonic-gate * to dereference the array we just grew out of. So we 63657c478bd9Sstevel@tonic-gate * cons up a header and put it on a list of 'dirty' 63667c478bd9Sstevel@tonic-gate * pointer arrays. (Dirty in the sense that there may 63677c478bd9Sstevel@tonic-gate * be suspended threads somewhere that are in the middle 63687c478bd9Sstevel@tonic-gate * of referencing them). Fortunately, we -can- garbage 63697c478bd9Sstevel@tonic-gate * collect it all at ddi_soft_state_fini time. 63707c478bd9Sstevel@tonic-gate */ 63717c478bd9Sstevel@tonic-gate new_n_items = ss->n_items; 63727c478bd9Sstevel@tonic-gate while (new_n_items < (1 + item)) 63737c478bd9Sstevel@tonic-gate new_n_items <<= 1; /* double array size .. */ 63747c478bd9Sstevel@tonic-gate 63757c478bd9Sstevel@tonic-gate ASSERT(new_n_items >= (1 + item)); /* sanity check! */ 63767c478bd9Sstevel@tonic-gate 63777c478bd9Sstevel@tonic-gate new_array = kmem_zalloc(new_n_items * sizeof (void *), 63787c478bd9Sstevel@tonic-gate KM_SLEEP); 63797c478bd9Sstevel@tonic-gate /* 63807c478bd9Sstevel@tonic-gate * Copy the pointers into the new array 63817c478bd9Sstevel@tonic-gate */ 63827c478bd9Sstevel@tonic-gate bcopy(array, new_array, ss->n_items * sizeof (void *)); 63837c478bd9Sstevel@tonic-gate 63847c478bd9Sstevel@tonic-gate /* 63857c478bd9Sstevel@tonic-gate * Save the old array on the dirty list 63867c478bd9Sstevel@tonic-gate */ 63877c478bd9Sstevel@tonic-gate dirty = kmem_zalloc(sizeof (*dirty), KM_SLEEP); 63887c478bd9Sstevel@tonic-gate dirty->array = ss->array; 63897c478bd9Sstevel@tonic-gate dirty->n_items = ss->n_items; 63907c478bd9Sstevel@tonic-gate dirty->next = ss->next; 63917c478bd9Sstevel@tonic-gate ss->next = dirty; 63927c478bd9Sstevel@tonic-gate 63937c478bd9Sstevel@tonic-gate ss->array = (array = new_array); 63947c478bd9Sstevel@tonic-gate ss->n_items = new_n_items; 63957c478bd9Sstevel@tonic-gate } 63967c478bd9Sstevel@tonic-gate 63977c478bd9Sstevel@tonic-gate ASSERT(array != NULL && item < ss->n_items && array[item] == NULL); 63987c478bd9Sstevel@tonic-gate 63997c478bd9Sstevel@tonic-gate array[item] = new_element; 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 64027c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 64037c478bd9Sstevel@tonic-gate } 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 { 64287c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss = state; 64297c478bd9Sstevel@tonic-gate 64307c478bd9Sstevel@tonic-gate 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 { 64507c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 64517c478bd9Sstevel@tonic-gate void **array; 64527c478bd9Sstevel@tonic-gate void *element; 64537c478bd9Sstevel@tonic-gate static char msg[] = "ddi_soft_state_free:"; 64547c478bd9Sstevel@tonic-gate 64557c478bd9Sstevel@tonic-gate if ((ss = state) == 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 /* 64847c478bd9Sstevel@tonic-gate * Free the entire set of pointers, and any 64857c478bd9Sstevel@tonic-gate * soft state structures contained therein. 64867c478bd9Sstevel@tonic-gate * 64877c478bd9Sstevel@tonic-gate * Note that we don't grab the ss->lock mutex, even though 64887c478bd9Sstevel@tonic-gate * we're inspecting the various fields of the data structure. 64897c478bd9Sstevel@tonic-gate * 64907c478bd9Sstevel@tonic-gate * There is an implicit assumption that this routine will 64917c478bd9Sstevel@tonic-gate * never run concurrently with any of the above on this 64927c478bd9Sstevel@tonic-gate * particular state structure i.e. by the time the driver 64937c478bd9Sstevel@tonic-gate * calls this routine, there should be no other threads 64947c478bd9Sstevel@tonic-gate * running in the driver. 64957c478bd9Sstevel@tonic-gate */ 64967c478bd9Sstevel@tonic-gate void 64977c478bd9Sstevel@tonic-gate ddi_soft_state_fini(void **state_p) 64987c478bd9Sstevel@tonic-gate { 64997c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss, *dirty; 65007c478bd9Sstevel@tonic-gate int item; 65017c478bd9Sstevel@tonic-gate static char msg[] = "ddi_soft_state_fini:"; 65027c478bd9Sstevel@tonic-gate 65037c478bd9Sstevel@tonic-gate if (state_p == NULL || (ss = *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 65367c478bd9Sstevel@tonic-gate /* 6537fe9fe9fbScth * This sets the devi_addr entry in the dev_info structure 'dip' to 'name'. 6538fe9fe9fbScth * Storage is double buffered to prevent updates during devi_addr use - 6539fe9fe9fbScth * double buffering is adaquate for reliable ddi_deviname() consumption. 6540fe9fe9fbScth * The double buffer is not freed until dev_info structure destruction 6541fe9fe9fbScth * (by i_ddi_free_node). 65427c478bd9Sstevel@tonic-gate */ 65437c478bd9Sstevel@tonic-gate void 65447c478bd9Sstevel@tonic-gate ddi_set_name_addr(dev_info_t *dip, char *name) 65457c478bd9Sstevel@tonic-gate { 6546fe9fe9fbScth char *buf = DEVI(dip)->devi_addr_buf; 6547fe9fe9fbScth char *newaddr; 65487c478bd9Sstevel@tonic-gate 6549fe9fe9fbScth if (buf == NULL) { 6550fe9fe9fbScth buf = kmem_zalloc(2 * MAXNAMELEN, KM_SLEEP); 6551fe9fe9fbScth DEVI(dip)->devi_addr_buf = buf; 65527c478bd9Sstevel@tonic-gate } 6553fe9fe9fbScth 6554fe9fe9fbScth if (name) { 6555fe9fe9fbScth ASSERT(strlen(name) < MAXNAMELEN); 6556fe9fe9fbScth newaddr = (DEVI(dip)->devi_addr == buf) ? 6557fe9fe9fbScth (buf + MAXNAMELEN) : buf; 6558fe9fe9fbScth (void) strlcpy(newaddr, name, MAXNAMELEN); 6559fe9fe9fbScth } else 6560fe9fe9fbScth newaddr = NULL; 6561fe9fe9fbScth 6562fe9fe9fbScth DEVI(dip)->devi_addr = newaddr; 65637c478bd9Sstevel@tonic-gate } 65647c478bd9Sstevel@tonic-gate 65657c478bd9Sstevel@tonic-gate char * 65667c478bd9Sstevel@tonic-gate ddi_get_name_addr(dev_info_t *dip) 65677c478bd9Sstevel@tonic-gate { 65687c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_addr); 65697c478bd9Sstevel@tonic-gate } 65707c478bd9Sstevel@tonic-gate 65717c478bd9Sstevel@tonic-gate void 65727c478bd9Sstevel@tonic-gate ddi_set_parent_data(dev_info_t *dip, void *pd) 65737c478bd9Sstevel@tonic-gate { 65747c478bd9Sstevel@tonic-gate DEVI(dip)->devi_parent_data = pd; 65757c478bd9Sstevel@tonic-gate } 65767c478bd9Sstevel@tonic-gate 65777c478bd9Sstevel@tonic-gate void * 65787c478bd9Sstevel@tonic-gate ddi_get_parent_data(dev_info_t *dip) 65797c478bd9Sstevel@tonic-gate { 65807c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_parent_data); 65817c478bd9Sstevel@tonic-gate } 65827c478bd9Sstevel@tonic-gate 65837c478bd9Sstevel@tonic-gate /* 65845c066ec2SJerry Gilliam * ddi_name_to_major: returns the major number of a named module, 65855c066ec2SJerry Gilliam * derived from the current driver alias binding. 65865c066ec2SJerry Gilliam * 65875c066ec2SJerry Gilliam * Caveat: drivers should avoid the use of this function, in particular 65885c066ec2SJerry Gilliam * together with ddi_get_name/ddi_binding name, as per 65895c066ec2SJerry Gilliam * major = ddi_name_to_major(ddi_get_name(devi)); 65905c066ec2SJerry Gilliam * ddi_name_to_major() relies on the state of the device/alias binding, 65915c066ec2SJerry Gilliam * which can and does change dynamically as aliases are administered 65925c066ec2SJerry Gilliam * over time. An attached device instance cannot rely on the major 65935c066ec2SJerry Gilliam * number returned by ddi_name_to_major() to match its own major number. 65945c066ec2SJerry Gilliam * 65955c066ec2SJerry Gilliam * For driver use, ddi_driver_major() reliably returns the major number 65965c066ec2SJerry Gilliam * for the module to which the device was bound at attach time over 65975c066ec2SJerry Gilliam * the life of the instance. 65985c066ec2SJerry Gilliam * major = ddi_driver_major(dev_info_t *) 65997c478bd9Sstevel@tonic-gate */ 66007c478bd9Sstevel@tonic-gate major_t 66017c478bd9Sstevel@tonic-gate ddi_name_to_major(char *name) 66027c478bd9Sstevel@tonic-gate { 66037c478bd9Sstevel@tonic-gate return (mod_name_to_major(name)); 66047c478bd9Sstevel@tonic-gate } 66057c478bd9Sstevel@tonic-gate 66067c478bd9Sstevel@tonic-gate /* 66077c478bd9Sstevel@tonic-gate * ddi_major_to_name: Returns the module name bound to a major number. 66087c478bd9Sstevel@tonic-gate */ 66097c478bd9Sstevel@tonic-gate char * 66107c478bd9Sstevel@tonic-gate ddi_major_to_name(major_t major) 66117c478bd9Sstevel@tonic-gate { 66127c478bd9Sstevel@tonic-gate return (mod_major_to_name(major)); 66137c478bd9Sstevel@tonic-gate } 66147c478bd9Sstevel@tonic-gate 66157c478bd9Sstevel@tonic-gate /* 66167c478bd9Sstevel@tonic-gate * Return the name of the devinfo node pointed at by 'dip' in the buffer 66177c478bd9Sstevel@tonic-gate * pointed at by 'name.' A devinfo node is named as a result of calling 66187c478bd9Sstevel@tonic-gate * ddi_initchild(). 66197c478bd9Sstevel@tonic-gate * 66207c478bd9Sstevel@tonic-gate * Note: the driver must be held before calling this function! 66217c478bd9Sstevel@tonic-gate */ 66227c478bd9Sstevel@tonic-gate char * 66237c478bd9Sstevel@tonic-gate ddi_deviname(dev_info_t *dip, char *name) 66247c478bd9Sstevel@tonic-gate { 66257c478bd9Sstevel@tonic-gate char *addrname; 66267c478bd9Sstevel@tonic-gate char none = '\0'; 66277c478bd9Sstevel@tonic-gate 66287c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 66297c478bd9Sstevel@tonic-gate *name = '\0'; 66307c478bd9Sstevel@tonic-gate return (name); 66317c478bd9Sstevel@tonic-gate } 66327c478bd9Sstevel@tonic-gate 6633f4da9be0Scth if (i_ddi_node_state(dip) < DS_BOUND) { 66347c478bd9Sstevel@tonic-gate addrname = &none; 66357c478bd9Sstevel@tonic-gate } else { 6636f4da9be0Scth /* 6637f4da9be0Scth * Use ddi_get_name_addr() without checking state so we get 6638f4da9be0Scth * a unit-address if we are called after ddi_set_name_addr() 6639f4da9be0Scth * by nexus DDI_CTL_INITCHILD code, but before completing 6640f4da9be0Scth * node promotion to DS_INITIALIZED. We currently have 6641f4da9be0Scth * two situations where we are called in this state: 6642f4da9be0Scth * o For framework processing of a path-oriented alias. 6643f4da9be0Scth * o If a SCSA nexus driver calls ddi_devid_register() 6644f4da9be0Scth * from it's tran_tgt_init(9E) implementation. 6645f4da9be0Scth */ 66467c478bd9Sstevel@tonic-gate addrname = ddi_get_name_addr(dip); 6647f4da9be0Scth if (addrname == NULL) 6648f4da9be0Scth addrname = &none; 66497c478bd9Sstevel@tonic-gate } 66507c478bd9Sstevel@tonic-gate 66517c478bd9Sstevel@tonic-gate if (*addrname == '\0') { 66527c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s", ddi_node_name(dip)); 66537c478bd9Sstevel@tonic-gate } else { 66547c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s@%s", ddi_node_name(dip), addrname); 66557c478bd9Sstevel@tonic-gate } 66567c478bd9Sstevel@tonic-gate 66577c478bd9Sstevel@tonic-gate return (name); 66587c478bd9Sstevel@tonic-gate } 66597c478bd9Sstevel@tonic-gate 66607c478bd9Sstevel@tonic-gate /* 66617c478bd9Sstevel@tonic-gate * Spits out the name of device node, typically name@addr, for a given node, 66627c478bd9Sstevel@tonic-gate * using the driver name, not the nodename. 66637c478bd9Sstevel@tonic-gate * 66647c478bd9Sstevel@tonic-gate * Used by match_parent. Not to be used elsewhere. 66657c478bd9Sstevel@tonic-gate */ 66667c478bd9Sstevel@tonic-gate char * 66677c478bd9Sstevel@tonic-gate i_ddi_parname(dev_info_t *dip, char *name) 66687c478bd9Sstevel@tonic-gate { 66697c478bd9Sstevel@tonic-gate char *addrname; 66707c478bd9Sstevel@tonic-gate 66717c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 66727c478bd9Sstevel@tonic-gate *name = '\0'; 66737c478bd9Sstevel@tonic-gate return (name); 66747c478bd9Sstevel@tonic-gate } 66757c478bd9Sstevel@tonic-gate 66767c478bd9Sstevel@tonic-gate ASSERT(i_ddi_node_state(dip) >= DS_INITIALIZED); 66777c478bd9Sstevel@tonic-gate 66787c478bd9Sstevel@tonic-gate if (*(addrname = ddi_get_name_addr(dip)) == '\0') 66797c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s", ddi_binding_name(dip)); 66807c478bd9Sstevel@tonic-gate else 66817c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s@%s", ddi_binding_name(dip), addrname); 66827c478bd9Sstevel@tonic-gate return (name); 66837c478bd9Sstevel@tonic-gate } 66847c478bd9Sstevel@tonic-gate 66857c478bd9Sstevel@tonic-gate static char * 66867c478bd9Sstevel@tonic-gate pathname_work(dev_info_t *dip, char *path) 66877c478bd9Sstevel@tonic-gate { 66887c478bd9Sstevel@tonic-gate char *bp; 66897c478bd9Sstevel@tonic-gate 66907c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 66917c478bd9Sstevel@tonic-gate *path = '\0'; 66927c478bd9Sstevel@tonic-gate return (path); 66937c478bd9Sstevel@tonic-gate } 66947c478bd9Sstevel@tonic-gate (void) pathname_work(ddi_get_parent(dip), path); 66957c478bd9Sstevel@tonic-gate bp = path + strlen(path); 66967c478bd9Sstevel@tonic-gate (void) ddi_deviname(dip, bp); 66977c478bd9Sstevel@tonic-gate return (path); 66987c478bd9Sstevel@tonic-gate } 66997c478bd9Sstevel@tonic-gate 67007c478bd9Sstevel@tonic-gate char * 67017c478bd9Sstevel@tonic-gate ddi_pathname(dev_info_t *dip, char *path) 67027c478bd9Sstevel@tonic-gate { 67037c478bd9Sstevel@tonic-gate return (pathname_work(dip, path)); 67047c478bd9Sstevel@tonic-gate } 67057c478bd9Sstevel@tonic-gate 6706f9722deaSChris Horne char * 6707f9722deaSChris Horne ddi_pathname_minor(struct ddi_minor_data *dmdp, char *path) 6708f9722deaSChris Horne { 6709f9722deaSChris Horne if (dmdp->dip == NULL) 6710f9722deaSChris Horne *path = '\0'; 6711f9722deaSChris Horne else { 6712f9722deaSChris Horne (void) ddi_pathname(dmdp->dip, path); 6713f9722deaSChris Horne if (dmdp->ddm_name) { 6714f9722deaSChris Horne (void) strcat(path, ":"); 6715f9722deaSChris Horne (void) strcat(path, dmdp->ddm_name); 6716f9722deaSChris Horne } 6717f9722deaSChris Horne } 6718f9722deaSChris Horne return (path); 6719f9722deaSChris Horne } 6720f9722deaSChris Horne 672138c67cbdSjiang wu - Sun Microsystems - Beijing China static char * 672238c67cbdSjiang wu - Sun Microsystems - Beijing China pathname_work_obp(dev_info_t *dip, char *path) 672338c67cbdSjiang wu - Sun Microsystems - Beijing China { 672438c67cbdSjiang wu - Sun Microsystems - Beijing China char *bp; 672538c67cbdSjiang wu - Sun Microsystems - Beijing China char *obp_path; 672638c67cbdSjiang wu - Sun Microsystems - Beijing China 672738c67cbdSjiang wu - Sun Microsystems - Beijing China /* 672838c67cbdSjiang wu - Sun Microsystems - Beijing China * look up the "obp-path" property, return the path if it exists 672938c67cbdSjiang wu - Sun Microsystems - Beijing China */ 673038c67cbdSjiang wu - Sun Microsystems - Beijing China if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 673138c67cbdSjiang wu - Sun Microsystems - Beijing China "obp-path", &obp_path) == DDI_PROP_SUCCESS) { 673238c67cbdSjiang wu - Sun Microsystems - Beijing China (void) strcpy(path, obp_path); 673338c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_prop_free(obp_path); 673438c67cbdSjiang wu - Sun Microsystems - Beijing China return (path); 673538c67cbdSjiang wu - Sun Microsystems - Beijing China } 673638c67cbdSjiang wu - Sun Microsystems - Beijing China 673738c67cbdSjiang wu - Sun Microsystems - Beijing China /* 673838c67cbdSjiang wu - Sun Microsystems - Beijing China * stop at root, no obp path 673938c67cbdSjiang wu - Sun Microsystems - Beijing China */ 674038c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == ddi_root_node()) { 674138c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 674238c67cbdSjiang wu - Sun Microsystems - Beijing China } 674338c67cbdSjiang wu - Sun Microsystems - Beijing China 674438c67cbdSjiang wu - Sun Microsystems - Beijing China obp_path = pathname_work_obp(ddi_get_parent(dip), path); 674538c67cbdSjiang wu - Sun Microsystems - Beijing China if (obp_path == NULL) 674638c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 674738c67cbdSjiang wu - Sun Microsystems - Beijing China 674838c67cbdSjiang wu - Sun Microsystems - Beijing China /* 674938c67cbdSjiang wu - Sun Microsystems - Beijing China * append our component to parent's obp path 675038c67cbdSjiang wu - Sun Microsystems - Beijing China */ 675138c67cbdSjiang wu - Sun Microsystems - Beijing China bp = path + strlen(path); 675238c67cbdSjiang wu - Sun Microsystems - Beijing China if (*(bp - 1) != '/') 675338c67cbdSjiang wu - Sun Microsystems - Beijing China (void) strcat(bp++, "/"); 675438c67cbdSjiang wu - Sun Microsystems - Beijing China (void) ddi_deviname(dip, bp); 675538c67cbdSjiang wu - Sun Microsystems - Beijing China return (path); 675638c67cbdSjiang wu - Sun Microsystems - Beijing China } 675738c67cbdSjiang wu - Sun Microsystems - Beijing China 675838c67cbdSjiang wu - Sun Microsystems - Beijing China /* 675938c67cbdSjiang wu - Sun Microsystems - Beijing China * return the 'obp-path' based path for the given node, or NULL if the node 676038c67cbdSjiang wu - Sun Microsystems - Beijing China * does not have a different obp path. NOTE: Unlike ddi_pathname, this 676138c67cbdSjiang wu - Sun Microsystems - Beijing China * function can't be called from interrupt context (since we need to 676238c67cbdSjiang wu - Sun Microsystems - Beijing China * lookup a string property). 676338c67cbdSjiang wu - Sun Microsystems - Beijing China */ 676438c67cbdSjiang wu - Sun Microsystems - Beijing China char * 676538c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_pathname_obp(dev_info_t *dip, char *path) 676638c67cbdSjiang wu - Sun Microsystems - Beijing China { 676738c67cbdSjiang wu - Sun Microsystems - Beijing China ASSERT(!servicing_interrupt()); 676838c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == NULL || path == NULL) 676938c67cbdSjiang wu - Sun Microsystems - Beijing China return (NULL); 677038c67cbdSjiang wu - Sun Microsystems - Beijing China 677138c67cbdSjiang wu - Sun Microsystems - Beijing China /* split work into a separate function to aid debugging */ 677238c67cbdSjiang wu - Sun Microsystems - Beijing China return (pathname_work_obp(dip, path)); 677338c67cbdSjiang wu - Sun Microsystems - Beijing China } 677438c67cbdSjiang wu - Sun Microsystems - Beijing China 677538c67cbdSjiang wu - Sun Microsystems - Beijing China int 677638c67cbdSjiang wu - Sun Microsystems - Beijing China ddi_pathname_obp_set(dev_info_t *dip, char *component) 677738c67cbdSjiang wu - Sun Microsystems - Beijing China { 677838c67cbdSjiang wu - Sun Microsystems - Beijing China dev_info_t *pdip; 6779caa9369fSjiang wu - Sun Microsystems - Beijing China char *obp_path = NULL; 6780caa9369fSjiang wu - Sun Microsystems - Beijing China int rc = DDI_FAILURE; 678138c67cbdSjiang wu - Sun Microsystems - Beijing China 678238c67cbdSjiang wu - Sun Microsystems - Beijing China if (dip == NULL) 678338c67cbdSjiang wu - Sun Microsystems - Beijing China return (DDI_FAILURE); 6784caa9369fSjiang wu - Sun Microsystems - Beijing China 6785caa9369fSjiang wu - Sun Microsystems - Beijing China obp_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 6786caa9369fSjiang wu - Sun Microsystems - Beijing China 678738c67cbdSjiang wu - Sun Microsystems - Beijing China pdip = ddi_get_parent(dip); 678838c67cbdSjiang wu - Sun Microsystems - Beijing China 678938c67cbdSjiang wu - Sun Microsystems - Beijing China if (ddi_pathname_obp(pdip, obp_path) == NULL) { 679038c67cbdSjiang wu - Sun Microsystems - Beijing China (void) ddi_pathname(pdip, obp_path); 679138c67cbdSjiang wu - Sun Microsystems - Beijing China } 679238c67cbdSjiang wu - Sun Microsystems - Beijing China 679338c67cbdSjiang wu - Sun Microsystems - Beijing China if (component) { 6794caa9369fSjiang wu - Sun Microsystems - Beijing China (void) strncat(obp_path, "/", MAXPATHLEN); 6795caa9369fSjiang wu - Sun Microsystems - Beijing China (void) strncat(obp_path, component, MAXPATHLEN); 679638c67cbdSjiang wu - Sun Microsystems - Beijing China } 6797caa9369fSjiang wu - Sun Microsystems - Beijing China rc = ndi_prop_update_string(DDI_DEV_T_NONE, dip, "obp-path", 6798caa9369fSjiang wu - Sun Microsystems - Beijing China obp_path); 6799caa9369fSjiang wu - Sun Microsystems - Beijing China 6800caa9369fSjiang wu - Sun Microsystems - Beijing China if (obp_path) 6801caa9369fSjiang wu - Sun Microsystems - Beijing China kmem_free(obp_path, MAXPATHLEN); 6802caa9369fSjiang wu - Sun Microsystems - Beijing China 6803caa9369fSjiang wu - Sun Microsystems - Beijing China return (rc); 680438c67cbdSjiang wu - Sun Microsystems - Beijing China } 680538c67cbdSjiang wu - Sun Microsystems - Beijing China 68067c478bd9Sstevel@tonic-gate /* 68077c478bd9Sstevel@tonic-gate * Given a dev_t, return the pathname of the corresponding device in the 68087c478bd9Sstevel@tonic-gate * buffer pointed at by "path." The buffer is assumed to be large enough 68097c478bd9Sstevel@tonic-gate * to hold the pathname of the device (MAXPATHLEN). 68107c478bd9Sstevel@tonic-gate * 68117c478bd9Sstevel@tonic-gate * The pathname of a device is the pathname of the devinfo node to which 68127c478bd9Sstevel@tonic-gate * the device "belongs," concatenated with the character ':' and the name 68137c478bd9Sstevel@tonic-gate * of the minor node corresponding to the dev_t. If spec_type is 0 then 68147c478bd9Sstevel@tonic-gate * just the pathname of the devinfo node is returned without driving attach 68157c478bd9Sstevel@tonic-gate * of that node. For a non-zero spec_type, an attach is performed and a 68167c478bd9Sstevel@tonic-gate * search of the minor list occurs. 68177c478bd9Sstevel@tonic-gate * 68187c478bd9Sstevel@tonic-gate * It is possible that the path associated with the dev_t is not 68197c478bd9Sstevel@tonic-gate * currently available in the devinfo tree. In order to have a 68207c478bd9Sstevel@tonic-gate * dev_t, a device must have been discovered before, which means 68217c478bd9Sstevel@tonic-gate * that the path is always in the instance tree. The one exception 68227c478bd9Sstevel@tonic-gate * to this is if the dev_t is associated with a pseudo driver, in 68237c478bd9Sstevel@tonic-gate * which case the device must exist on the pseudo branch of the 68247c478bd9Sstevel@tonic-gate * devinfo tree as a result of parsing .conf files. 68257c478bd9Sstevel@tonic-gate */ 68267c478bd9Sstevel@tonic-gate int 68277c478bd9Sstevel@tonic-gate ddi_dev_pathname(dev_t devt, int spec_type, char *path) 68287c478bd9Sstevel@tonic-gate { 6829b9ccdc5aScth int circ; 68307c478bd9Sstevel@tonic-gate major_t major = getmajor(devt); 68317c478bd9Sstevel@tonic-gate int instance; 68327c478bd9Sstevel@tonic-gate dev_info_t *dip; 68337c478bd9Sstevel@tonic-gate char *minorname; 68347c478bd9Sstevel@tonic-gate char *drvname; 68357c478bd9Sstevel@tonic-gate 68367c478bd9Sstevel@tonic-gate if (major >= devcnt) 68377c478bd9Sstevel@tonic-gate goto fail; 68387c478bd9Sstevel@tonic-gate if (major == clone_major) { 68397c478bd9Sstevel@tonic-gate /* clone has no minor nodes, manufacture the path here */ 68407c478bd9Sstevel@tonic-gate if ((drvname = ddi_major_to_name(getminor(devt))) == NULL) 68417c478bd9Sstevel@tonic-gate goto fail; 68427c478bd9Sstevel@tonic-gate 68437c478bd9Sstevel@tonic-gate (void) snprintf(path, MAXPATHLEN, "%s:%s", CLONE_PATH, drvname); 68447c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 68457c478bd9Sstevel@tonic-gate } 68467c478bd9Sstevel@tonic-gate 68477c478bd9Sstevel@tonic-gate /* extract instance from devt (getinfo(9E) DDI_INFO_DEVT2INSTANCE). */ 68487c478bd9Sstevel@tonic-gate if ((instance = dev_to_instance(devt)) == -1) 68497c478bd9Sstevel@tonic-gate goto fail; 68507c478bd9Sstevel@tonic-gate 68517c478bd9Sstevel@tonic-gate /* reconstruct the path given the major/instance */ 68527c478bd9Sstevel@tonic-gate if (e_ddi_majorinstance_to_path(major, instance, path) != DDI_SUCCESS) 68537c478bd9Sstevel@tonic-gate goto fail; 68547c478bd9Sstevel@tonic-gate 68557c478bd9Sstevel@tonic-gate /* if spec_type given we must drive attach and search minor nodes */ 68567c478bd9Sstevel@tonic-gate if ((spec_type == S_IFCHR) || (spec_type == S_IFBLK)) { 68577c478bd9Sstevel@tonic-gate /* attach the path so we can search minors */ 68587c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_path(path, 0)) == NULL) 68597c478bd9Sstevel@tonic-gate goto fail; 68607c478bd9Sstevel@tonic-gate 68617c478bd9Sstevel@tonic-gate /* Add minorname to path. */ 6862b9ccdc5aScth ndi_devi_enter(dip, &circ); 68637c478bd9Sstevel@tonic-gate minorname = i_ddi_devtspectype_to_minorname(dip, 68647c478bd9Sstevel@tonic-gate devt, spec_type); 68657c478bd9Sstevel@tonic-gate if (minorname) { 68667c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 68677c478bd9Sstevel@tonic-gate (void) strcat(path, minorname); 68687c478bd9Sstevel@tonic-gate } 6869b9ccdc5aScth ndi_devi_exit(dip, circ); 68707c478bd9Sstevel@tonic-gate ddi_release_devi(dip); 68717c478bd9Sstevel@tonic-gate if (minorname == NULL) 68727c478bd9Sstevel@tonic-gate goto fail; 68737c478bd9Sstevel@tonic-gate } 68747c478bd9Sstevel@tonic-gate ASSERT(strlen(path) < MAXPATHLEN); 68757c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 68767c478bd9Sstevel@tonic-gate 68777c478bd9Sstevel@tonic-gate fail: *path = 0; 68787c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 68797c478bd9Sstevel@tonic-gate } 68807c478bd9Sstevel@tonic-gate 68817c478bd9Sstevel@tonic-gate /* 68827c478bd9Sstevel@tonic-gate * Given a major number and an instance, return the path. 68837c478bd9Sstevel@tonic-gate * This interface does NOT drive attach. 68847c478bd9Sstevel@tonic-gate */ 68857c478bd9Sstevel@tonic-gate int 68867c478bd9Sstevel@tonic-gate e_ddi_majorinstance_to_path(major_t major, int instance, char *path) 68877c478bd9Sstevel@tonic-gate { 688805a69601Scth struct devnames *dnp; 68897c478bd9Sstevel@tonic-gate dev_info_t *dip; 68907c478bd9Sstevel@tonic-gate 689105a69601Scth if ((major >= devcnt) || (instance == -1)) { 689205a69601Scth *path = 0; 689305a69601Scth return (DDI_FAILURE); 689405a69601Scth } 689505a69601Scth 68967c478bd9Sstevel@tonic-gate /* look for the major/instance in the instance tree */ 68977c478bd9Sstevel@tonic-gate if (e_ddi_instance_majorinstance_to_path(major, instance, 689805a69601Scth path) == DDI_SUCCESS) { 689905a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 690005a69601Scth return (DDI_SUCCESS); 690105a69601Scth } 690205a69601Scth 690305a69601Scth /* 690405a69601Scth * Not in instance tree, find the instance on the per driver list and 690505a69601Scth * construct path to instance via ddi_pathname(). This is how paths 690605a69601Scth * down the 'pseudo' branch are constructed. 690705a69601Scth */ 690805a69601Scth dnp = &(devnamesp[major]); 690905a69601Scth LOCK_DEV_OPS(&(dnp->dn_lock)); 691005a69601Scth for (dip = dnp->dn_head; dip; 691105a69601Scth dip = (dev_info_t *)DEVI(dip)->devi_next) { 691205a69601Scth /* Skip if instance does not match. */ 691305a69601Scth if (DEVI(dip)->devi_instance != instance) 691405a69601Scth continue; 691505a69601Scth 691605a69601Scth /* 691705a69601Scth * An ndi_hold_devi() does not prevent DS_INITIALIZED->DS_BOUND 691805a69601Scth * node demotion, so it is not an effective way of ensuring 691905a69601Scth * that the ddi_pathname result has a unit-address. Instead, 692005a69601Scth * we reverify the node state after calling ddi_pathname(). 692105a69601Scth */ 692205a69601Scth if (i_ddi_node_state(dip) >= DS_INITIALIZED) { 692305a69601Scth (void) ddi_pathname(dip, path); 692405a69601Scth if (i_ddi_node_state(dip) < DS_INITIALIZED) 692505a69601Scth continue; 692605a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 692705a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 692805a69601Scth return (DDI_SUCCESS); 69297c478bd9Sstevel@tonic-gate } 69307c478bd9Sstevel@tonic-gate } 693105a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 69327c478bd9Sstevel@tonic-gate 693305a69601Scth /* can't reconstruct the path */ 693405a69601Scth *path = 0; 693505a69601Scth return (DDI_FAILURE); 693605a69601Scth } 69377c478bd9Sstevel@tonic-gate 69387c478bd9Sstevel@tonic-gate #define GLD_DRIVER_PPA "SUNW,gld_v0_ppa" 69397c478bd9Sstevel@tonic-gate 69407c478bd9Sstevel@tonic-gate /* 69417c478bd9Sstevel@tonic-gate * Given the dip for a network interface return the ppa for that interface. 69427c478bd9Sstevel@tonic-gate * 69437c478bd9Sstevel@tonic-gate * In all cases except GLD v0 drivers, the ppa == instance. 69447c478bd9Sstevel@tonic-gate * In the case of GLD v0 drivers, the ppa is equal to the attach order. 69457c478bd9Sstevel@tonic-gate * So for these drivers when the attach routine calls gld_register(), 69467c478bd9Sstevel@tonic-gate * the GLD framework creates an integer property called "gld_driver_ppa" 69477c478bd9Sstevel@tonic-gate * that can be queried here. 69487c478bd9Sstevel@tonic-gate * 69497c478bd9Sstevel@tonic-gate * The only time this function is used is when a system is booting over nfs. 69507c478bd9Sstevel@tonic-gate * In this case the system has to resolve the pathname of the boot device 69517c478bd9Sstevel@tonic-gate * to it's ppa. 69527c478bd9Sstevel@tonic-gate */ 69537c478bd9Sstevel@tonic-gate int 69547c478bd9Sstevel@tonic-gate i_ddi_devi_get_ppa(dev_info_t *dip) 69557c478bd9Sstevel@tonic-gate { 69567c478bd9Sstevel@tonic-gate return (ddi_prop_get_int(DDI_DEV_T_ANY, dip, 6957184cd04cScth DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, 6958184cd04cScth GLD_DRIVER_PPA, ddi_get_instance(dip))); 69597c478bd9Sstevel@tonic-gate } 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate /* 69627c478bd9Sstevel@tonic-gate * i_ddi_devi_set_ppa() should only be called from gld_register() 69637c478bd9Sstevel@tonic-gate * and only for GLD v0 drivers 69647c478bd9Sstevel@tonic-gate */ 69657c478bd9Sstevel@tonic-gate void 69667c478bd9Sstevel@tonic-gate i_ddi_devi_set_ppa(dev_info_t *dip, int ppa) 69677c478bd9Sstevel@tonic-gate { 69687c478bd9Sstevel@tonic-gate (void) e_ddi_prop_update_int(DDI_DEV_T_NONE, dip, GLD_DRIVER_PPA, ppa); 69697c478bd9Sstevel@tonic-gate } 69707c478bd9Sstevel@tonic-gate 69717c478bd9Sstevel@tonic-gate 69727c478bd9Sstevel@tonic-gate /* 69737c478bd9Sstevel@tonic-gate * Private DDI Console bell functions. 69747c478bd9Sstevel@tonic-gate */ 69757c478bd9Sstevel@tonic-gate void 69767c478bd9Sstevel@tonic-gate ddi_ring_console_bell(clock_t duration) 69777c478bd9Sstevel@tonic-gate { 69787c478bd9Sstevel@tonic-gate if (ddi_console_bell_func != NULL) 69797c478bd9Sstevel@tonic-gate (*ddi_console_bell_func)(duration); 69807c478bd9Sstevel@tonic-gate } 69817c478bd9Sstevel@tonic-gate 69827c478bd9Sstevel@tonic-gate void 69837c478bd9Sstevel@tonic-gate ddi_set_console_bell(void (*bellfunc)(clock_t duration)) 69847c478bd9Sstevel@tonic-gate { 69857c478bd9Sstevel@tonic-gate ddi_console_bell_func = bellfunc; 69867c478bd9Sstevel@tonic-gate } 69877c478bd9Sstevel@tonic-gate 69887c478bd9Sstevel@tonic-gate int 69897c478bd9Sstevel@tonic-gate ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 69907c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 69917c478bd9Sstevel@tonic-gate { 69927c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_allochdl; 69937c478bd9Sstevel@tonic-gate ddi_dma_attr_t dma_attr; 69947c478bd9Sstevel@tonic-gate struct bus_ops *bop; 69957c478bd9Sstevel@tonic-gate 69967c478bd9Sstevel@tonic-gate if (attr == (ddi_dma_attr_t *)0) 69977c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 69987c478bd9Sstevel@tonic-gate 69997c478bd9Sstevel@tonic-gate dma_attr = *attr; 70007c478bd9Sstevel@tonic-gate 70017c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 70027c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_allochdl) 70037c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_allochdl; 70047c478bd9Sstevel@tonic-gate 70057c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dma_attr, waitfp, arg, handlep)); 70067c478bd9Sstevel@tonic-gate } 70077c478bd9Sstevel@tonic-gate 70087c478bd9Sstevel@tonic-gate void 70097c478bd9Sstevel@tonic-gate ddi_dma_free_handle(ddi_dma_handle_t *handlep) 70107c478bd9Sstevel@tonic-gate { 70117c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = *handlep; 70127c478bd9Sstevel@tonic-gate (void) ddi_dma_freehdl(HD, HD, h); 70137c478bd9Sstevel@tonic-gate } 70147c478bd9Sstevel@tonic-gate 70157c478bd9Sstevel@tonic-gate static uintptr_t dma_mem_list_id = 0; 70167c478bd9Sstevel@tonic-gate 70177c478bd9Sstevel@tonic-gate 70187c478bd9Sstevel@tonic-gate int 70197c478bd9Sstevel@tonic-gate ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 70207b93957cSeota ddi_device_acc_attr_t *accattrp, uint_t flags, 70217c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 70227c478bd9Sstevel@tonic-gate size_t *real_length, ddi_acc_handle_t *handlep) 70237c478bd9Sstevel@tonic-gate { 70247c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 70257c478bd9Sstevel@tonic-gate dev_info_t *dip = hp->dmai_rdip; 70267c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 70277c478bd9Sstevel@tonic-gate ddi_dma_attr_t *attrp = &hp->dmai_attr; 70287b93957cSeota uint_t sleepflag, xfermodes; 70297c478bd9Sstevel@tonic-gate int (*fp)(caddr_t); 70307c478bd9Sstevel@tonic-gate int rval; 70317c478bd9Sstevel@tonic-gate 70327c478bd9Sstevel@tonic-gate if (waitfp == DDI_DMA_SLEEP) 70337c478bd9Sstevel@tonic-gate fp = (int (*)())KM_SLEEP; 70347c478bd9Sstevel@tonic-gate else if (waitfp == DDI_DMA_DONTWAIT) 70357c478bd9Sstevel@tonic-gate fp = (int (*)())KM_NOSLEEP; 70367c478bd9Sstevel@tonic-gate else 70377c478bd9Sstevel@tonic-gate fp = waitfp; 70387c478bd9Sstevel@tonic-gate *handlep = impl_acc_hdl_alloc(fp, arg); 70397c478bd9Sstevel@tonic-gate if (*handlep == NULL) 70407c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 70417c478bd9Sstevel@tonic-gate 704283220025Seota /* check if the cache attributes are supported */ 704383220025Seota if (i_ddi_check_cache_attr(flags) == B_FALSE) 70447b93957cSeota return (DDI_FAILURE); 70457b93957cSeota 70467b93957cSeota /* 70477b93957cSeota * Transfer the meaningful bits to xfermodes. 70487b93957cSeota * Double-check if the 3rd party driver correctly sets the bits. 70497b93957cSeota * If not, set DDI_DMA_STREAMING to keep compatibility. 70507b93957cSeota */ 70517b93957cSeota xfermodes = flags & (DDI_DMA_CONSISTENT | DDI_DMA_STREAMING); 70527b93957cSeota if (xfermodes == 0) { 70537b93957cSeota xfermodes = DDI_DMA_STREAMING; 70547b93957cSeota } 70557b93957cSeota 70567c478bd9Sstevel@tonic-gate /* 70577c478bd9Sstevel@tonic-gate * initialize the common elements of data access handle 70587c478bd9Sstevel@tonic-gate */ 70597c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 70607c478bd9Sstevel@tonic-gate ap->ah_vers = VERS_ACCHDL; 70617c478bd9Sstevel@tonic-gate ap->ah_dip = dip; 70627c478bd9Sstevel@tonic-gate ap->ah_offset = 0; 70637c478bd9Sstevel@tonic-gate ap->ah_len = 0; 70647b93957cSeota ap->ah_xfermodes = flags; 70657c478bd9Sstevel@tonic-gate ap->ah_acc = *accattrp; 70667c478bd9Sstevel@tonic-gate 70677c478bd9Sstevel@tonic-gate sleepflag = ((waitfp == DDI_DMA_SLEEP) ? 1 : 0); 70687c478bd9Sstevel@tonic-gate if (xfermodes == DDI_DMA_CONSISTENT) { 70697b93957cSeota rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 70707b93957cSeota flags, accattrp, kaddrp, NULL, ap); 70717c478bd9Sstevel@tonic-gate *real_length = length; 70727c478bd9Sstevel@tonic-gate } else { 70737b93957cSeota rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 70747b93957cSeota flags, accattrp, kaddrp, real_length, ap); 70757c478bd9Sstevel@tonic-gate } 70767c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 70777c478bd9Sstevel@tonic-gate ap->ah_len = (off_t)(*real_length); 70787c478bd9Sstevel@tonic-gate ap->ah_addr = *kaddrp; 70797c478bd9Sstevel@tonic-gate } else { 70807c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 70817c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 70827c478bd9Sstevel@tonic-gate if (waitfp != DDI_DMA_SLEEP && waitfp != DDI_DMA_DONTWAIT) { 70837c478bd9Sstevel@tonic-gate ddi_set_callback(waitfp, arg, &dma_mem_list_id); 70847c478bd9Sstevel@tonic-gate } 70857c478bd9Sstevel@tonic-gate rval = DDI_FAILURE; 70867c478bd9Sstevel@tonic-gate } 70877c478bd9Sstevel@tonic-gate return (rval); 70887c478bd9Sstevel@tonic-gate } 70897c478bd9Sstevel@tonic-gate 70907c478bd9Sstevel@tonic-gate void 70917c478bd9Sstevel@tonic-gate ddi_dma_mem_free(ddi_acc_handle_t *handlep) 70927c478bd9Sstevel@tonic-gate { 70937c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 70947c478bd9Sstevel@tonic-gate 70957c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 70967c478bd9Sstevel@tonic-gate ASSERT(ap); 70977c478bd9Sstevel@tonic-gate 70987b93957cSeota i_ddi_mem_free((caddr_t)ap->ah_addr, ap); 70997c478bd9Sstevel@tonic-gate 71007c478bd9Sstevel@tonic-gate /* 71017c478bd9Sstevel@tonic-gate * free the handle 71027c478bd9Sstevel@tonic-gate */ 71037c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 71047c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 71057c478bd9Sstevel@tonic-gate 71067c478bd9Sstevel@tonic-gate if (dma_mem_list_id != 0) { 71077c478bd9Sstevel@tonic-gate ddi_run_callback(&dma_mem_list_id); 71087c478bd9Sstevel@tonic-gate } 71097c478bd9Sstevel@tonic-gate } 71107c478bd9Sstevel@tonic-gate 71117c478bd9Sstevel@tonic-gate int 71127c478bd9Sstevel@tonic-gate ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 71137c478bd9Sstevel@tonic-gate uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 71147c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cookiep, uint_t *ccountp) 71157c478bd9Sstevel@tonic-gate { 71167c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 71177c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 71187c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 71197c478bd9Sstevel@tonic-gate int (*funcp)(); 71207c478bd9Sstevel@tonic-gate 71217c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 71227c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 71237c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 71247c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = (uint_t)bp->b_bcount; 71257c478bd9Sstevel@tonic-gate 71262d3bf78eScth if (bp->b_flags & B_PAGEIO) { 71277c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_PAGES; 71287c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_pp = bp->b_pages; 71297c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_offset = 71307c478bd9Sstevel@tonic-gate (uint_t)(((uintptr_t)bp->b_un.b_addr) & MMU_PAGEOFFSET); 71317c478bd9Sstevel@tonic-gate } else { 71327c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = bp->b_un.b_addr; 71332d3bf78eScth if (bp->b_flags & B_SHADOW) { 71347c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = 7135184cd04cScth bp->b_shadow; 71367c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_BUFVADDR; 71377c478bd9Sstevel@tonic-gate } else { 71387c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = 7139184cd04cScth (bp->b_flags & (B_PHYS | B_REMAPPED)) ? 7140184cd04cScth DMA_OTYP_BUFVADDR : DMA_OTYP_VADDR; 71417c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 71427c478bd9Sstevel@tonic-gate } 71437c478bd9Sstevel@tonic-gate 71447c478bd9Sstevel@tonic-gate /* 71457c478bd9Sstevel@tonic-gate * If the buffer has no proc pointer, or the proc 71467c478bd9Sstevel@tonic-gate * struct has the kernel address space, or the buffer has 71477c478bd9Sstevel@tonic-gate * been marked B_REMAPPED (meaning that it is now 71487c478bd9Sstevel@tonic-gate * mapped into the kernel's address space), then 71497c478bd9Sstevel@tonic-gate * the address space is kas (kernel address space). 71507c478bd9Sstevel@tonic-gate */ 71512d3bf78eScth if ((bp->b_proc == NULL) || (bp->b_proc->p_as == &kas) || 71522d3bf78eScth (bp->b_flags & B_REMAPPED)) { 71537c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 0; 71547c478bd9Sstevel@tonic-gate } else { 71557c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 71567c478bd9Sstevel@tonic-gate bp->b_proc->p_as; 71577c478bd9Sstevel@tonic-gate } 71587c478bd9Sstevel@tonic-gate } 71597c478bd9Sstevel@tonic-gate 71607c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 71617c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 71627c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_bindfunc; 71637c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, handle, &dmareq, cookiep, ccountp)); 71647c478bd9Sstevel@tonic-gate } 71657c478bd9Sstevel@tonic-gate 71667c478bd9Sstevel@tonic-gate int 71677c478bd9Sstevel@tonic-gate ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 71687c478bd9Sstevel@tonic-gate caddr_t addr, size_t len, uint_t flags, int (*waitfp)(caddr_t), 71697c478bd9Sstevel@tonic-gate caddr_t arg, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 71707c478bd9Sstevel@tonic-gate { 71717c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 71727c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 71737c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 71747c478bd9Sstevel@tonic-gate int (*funcp)(); 71757c478bd9Sstevel@tonic-gate 71767c478bd9Sstevel@tonic-gate if (len == (uint_t)0) { 71777c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 71787c478bd9Sstevel@tonic-gate } 71797c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 71807c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 71817c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 71827c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = len; 71837c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_VADDR; 71847c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = as; 71857c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = addr; 71867c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 71877c478bd9Sstevel@tonic-gate 71887c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 71897c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 71907c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_bindfunc; 71917c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, handle, &dmareq, cookiep, ccountp)); 71927c478bd9Sstevel@tonic-gate } 71937c478bd9Sstevel@tonic-gate 71947c478bd9Sstevel@tonic-gate void 71957c478bd9Sstevel@tonic-gate ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep) 71967c478bd9Sstevel@tonic-gate { 71977c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 71987c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp; 71997c478bd9Sstevel@tonic-gate 72007c478bd9Sstevel@tonic-gate cp = hp->dmai_cookie; 72017c478bd9Sstevel@tonic-gate ASSERT(cp); 72027c478bd9Sstevel@tonic-gate 72037c478bd9Sstevel@tonic-gate cookiep->dmac_notused = cp->dmac_notused; 72047c478bd9Sstevel@tonic-gate cookiep->dmac_type = cp->dmac_type; 72057c478bd9Sstevel@tonic-gate cookiep->dmac_address = cp->dmac_address; 72067c478bd9Sstevel@tonic-gate cookiep->dmac_size = cp->dmac_size; 72077c478bd9Sstevel@tonic-gate hp->dmai_cookie++; 72087c478bd9Sstevel@tonic-gate } 72097c478bd9Sstevel@tonic-gate 72107c478bd9Sstevel@tonic-gate int 72117c478bd9Sstevel@tonic-gate ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp) 72127c478bd9Sstevel@tonic-gate { 72137c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 72147c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DDI_DMA_PARTIAL) == 0) { 72157c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 72167c478bd9Sstevel@tonic-gate } else { 72177c478bd9Sstevel@tonic-gate *nwinp = hp->dmai_nwin; 72187c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 72197c478bd9Sstevel@tonic-gate } 72207c478bd9Sstevel@tonic-gate } 72217c478bd9Sstevel@tonic-gate 72227c478bd9Sstevel@tonic-gate int 72237c478bd9Sstevel@tonic-gate ddi_dma_getwin(ddi_dma_handle_t h, uint_t win, off_t *offp, 72247c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 72257c478bd9Sstevel@tonic-gate { 72267c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_win; 72277c478bd9Sstevel@tonic-gate struct bus_ops *bop; 72287c478bd9Sstevel@tonic-gate 72297c478bd9Sstevel@tonic-gate bop = DEVI(HD)->devi_ops->devo_bus_ops; 72307c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_win) 72317c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_win; 72327c478bd9Sstevel@tonic-gate 72337c478bd9Sstevel@tonic-gate return ((*funcp)(HD, HD, h, win, offp, lenp, cookiep, ccountp)); 72347c478bd9Sstevel@tonic-gate } 72357c478bd9Sstevel@tonic-gate 72367c478bd9Sstevel@tonic-gate int 72377c478bd9Sstevel@tonic-gate ddi_dma_set_sbus64(ddi_dma_handle_t h, ulong_t burstsizes) 72387c478bd9Sstevel@tonic-gate { 72397c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SET_SBUS64, 0, 7240184cd04cScth &burstsizes, 0, 0)); 72417c478bd9Sstevel@tonic-gate } 72427c478bd9Sstevel@tonic-gate 72437c478bd9Sstevel@tonic-gate int 72447c478bd9Sstevel@tonic-gate i_ddi_dma_fault_check(ddi_dma_impl_t *hp) 72457c478bd9Sstevel@tonic-gate { 72467c478bd9Sstevel@tonic-gate return (hp->dmai_fault); 72477c478bd9Sstevel@tonic-gate } 72487c478bd9Sstevel@tonic-gate 72497c478bd9Sstevel@tonic-gate int 72507c478bd9Sstevel@tonic-gate ddi_check_dma_handle(ddi_dma_handle_t handle) 72517c478bd9Sstevel@tonic-gate { 72527c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 72537c478bd9Sstevel@tonic-gate int (*check)(ddi_dma_impl_t *); 72547c478bd9Sstevel@tonic-gate 72557c478bd9Sstevel@tonic-gate if ((check = hp->dmai_fault_check) == NULL) 72567c478bd9Sstevel@tonic-gate check = i_ddi_dma_fault_check; 72577c478bd9Sstevel@tonic-gate 72587c478bd9Sstevel@tonic-gate return (((*check)(hp) == DDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 72597c478bd9Sstevel@tonic-gate } 72607c478bd9Sstevel@tonic-gate 72617c478bd9Sstevel@tonic-gate void 72627c478bd9Sstevel@tonic-gate i_ddi_dma_set_fault(ddi_dma_handle_t handle) 72637c478bd9Sstevel@tonic-gate { 72647c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 72657c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 72667c478bd9Sstevel@tonic-gate 72677c478bd9Sstevel@tonic-gate if (!hp->dmai_fault) { 72687c478bd9Sstevel@tonic-gate hp->dmai_fault = 1; 72697c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 72707c478bd9Sstevel@tonic-gate (*notify)(hp); 72717c478bd9Sstevel@tonic-gate } 72727c478bd9Sstevel@tonic-gate } 72737c478bd9Sstevel@tonic-gate 72747c478bd9Sstevel@tonic-gate void 72757c478bd9Sstevel@tonic-gate i_ddi_dma_clr_fault(ddi_dma_handle_t handle) 72767c478bd9Sstevel@tonic-gate { 72777c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 72787c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 72797c478bd9Sstevel@tonic-gate 72807c478bd9Sstevel@tonic-gate if (hp->dmai_fault) { 72817c478bd9Sstevel@tonic-gate hp->dmai_fault = 0; 72827c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 72837c478bd9Sstevel@tonic-gate (*notify)(hp); 72847c478bd9Sstevel@tonic-gate } 72857c478bd9Sstevel@tonic-gate } 72867c478bd9Sstevel@tonic-gate 72877c478bd9Sstevel@tonic-gate /* 72887c478bd9Sstevel@tonic-gate * register mapping routines. 72897c478bd9Sstevel@tonic-gate */ 72907c478bd9Sstevel@tonic-gate int 72917c478bd9Sstevel@tonic-gate ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 72927c478bd9Sstevel@tonic-gate offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 72937c478bd9Sstevel@tonic-gate ddi_acc_handle_t *handle) 72947c478bd9Sstevel@tonic-gate { 72957c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 72967c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 72977c478bd9Sstevel@tonic-gate int result; 72987c478bd9Sstevel@tonic-gate 72997c478bd9Sstevel@tonic-gate /* 73007c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data access handle. 73017c478bd9Sstevel@tonic-gate */ 73027c478bd9Sstevel@tonic-gate *handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 73037c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handle); 73047c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 73057c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 73067c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 73077c478bd9Sstevel@tonic-gate hp->ah_offset = offset; 73087c478bd9Sstevel@tonic-gate hp->ah_len = len; 73097c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 73107c478bd9Sstevel@tonic-gate 73117c478bd9Sstevel@tonic-gate /* 73127c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 73137c478bd9Sstevel@tonic-gate */ 73147c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_LOCKED; 73157c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 73167c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 73177c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 73187c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 73197c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 73207c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 73217c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, offset, len, addrp); 73227c478bd9Sstevel@tonic-gate 73237c478bd9Sstevel@tonic-gate /* 73247c478bd9Sstevel@tonic-gate * check for end result 73257c478bd9Sstevel@tonic-gate */ 73267c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) { 73277c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handle); 73287c478bd9Sstevel@tonic-gate *handle = (ddi_acc_handle_t)NULL; 73297c478bd9Sstevel@tonic-gate } else { 73307c478bd9Sstevel@tonic-gate hp->ah_addr = *addrp; 73317c478bd9Sstevel@tonic-gate } 73327c478bd9Sstevel@tonic-gate 73337c478bd9Sstevel@tonic-gate return (result); 73347c478bd9Sstevel@tonic-gate } 73357c478bd9Sstevel@tonic-gate 73367c478bd9Sstevel@tonic-gate void 73377c478bd9Sstevel@tonic-gate ddi_regs_map_free(ddi_acc_handle_t *handlep) 73387c478bd9Sstevel@tonic-gate { 73397c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 73407c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 73417c478bd9Sstevel@tonic-gate 73427c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handlep); 73437c478bd9Sstevel@tonic-gate ASSERT(hp); 73447c478bd9Sstevel@tonic-gate 73457c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_UNMAP; 73467c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 73477c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = hp->ah_rnumber; 73487c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 73497c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 73507c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 73517c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 73527c478bd9Sstevel@tonic-gate 73537c478bd9Sstevel@tonic-gate /* 73547c478bd9Sstevel@tonic-gate * Call my parent to unmap my regs. 73557c478bd9Sstevel@tonic-gate */ 73567c478bd9Sstevel@tonic-gate (void) ddi_map(hp->ah_dip, &mr, hp->ah_offset, 7357184cd04cScth hp->ah_len, &hp->ah_addr); 73587c478bd9Sstevel@tonic-gate /* 73597c478bd9Sstevel@tonic-gate * free the handle 73607c478bd9Sstevel@tonic-gate */ 73617c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 73627c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 73637c478bd9Sstevel@tonic-gate } 73647c478bd9Sstevel@tonic-gate 73657c478bd9Sstevel@tonic-gate int 73667c478bd9Sstevel@tonic-gate ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, size_t bytecount, 73677c478bd9Sstevel@tonic-gate ssize_t dev_advcnt, uint_t dev_datasz) 73687c478bd9Sstevel@tonic-gate { 73697c478bd9Sstevel@tonic-gate uint8_t *b; 73707c478bd9Sstevel@tonic-gate uint16_t *w; 73717c478bd9Sstevel@tonic-gate uint32_t *l; 73727c478bd9Sstevel@tonic-gate uint64_t *ll; 73737c478bd9Sstevel@tonic-gate 73747c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 73757c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 73767c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 73777c478bd9Sstevel@tonic-gate 73787c478bd9Sstevel@tonic-gate switch (dev_datasz) { 73797c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 73807c478bd9Sstevel@tonic-gate for (b = (uint8_t *)dev_addr; 7381184cd04cScth bytecount != 0; bytecount -= 1, b += dev_advcnt) 73827c478bd9Sstevel@tonic-gate ddi_put8(handle, b, 0); 73837c478bd9Sstevel@tonic-gate break; 73847c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 73857c478bd9Sstevel@tonic-gate for (w = (uint16_t *)dev_addr; 7386184cd04cScth bytecount != 0; bytecount -= 2, w += dev_advcnt) 73877c478bd9Sstevel@tonic-gate ddi_put16(handle, w, 0); 73887c478bd9Sstevel@tonic-gate break; 73897c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 73907c478bd9Sstevel@tonic-gate for (l = (uint32_t *)dev_addr; 7391184cd04cScth bytecount != 0; bytecount -= 4, l += dev_advcnt) 73927c478bd9Sstevel@tonic-gate ddi_put32(handle, l, 0); 73937c478bd9Sstevel@tonic-gate break; 73947c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 73957c478bd9Sstevel@tonic-gate for (ll = (uint64_t *)dev_addr; 7396184cd04cScth bytecount != 0; bytecount -= 8, ll += dev_advcnt) 73977c478bd9Sstevel@tonic-gate ddi_put64(handle, ll, 0x0ll); 73987c478bd9Sstevel@tonic-gate break; 73997c478bd9Sstevel@tonic-gate default: 74007c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74017c478bd9Sstevel@tonic-gate } 74027c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate 74057c478bd9Sstevel@tonic-gate int 74067c478bd9Sstevel@tonic-gate ddi_device_copy( 74077c478bd9Sstevel@tonic-gate ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 74087c478bd9Sstevel@tonic-gate ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 74097c478bd9Sstevel@tonic-gate size_t bytecount, uint_t dev_datasz) 74107c478bd9Sstevel@tonic-gate { 74117c478bd9Sstevel@tonic-gate uint8_t *b_src, *b_dst; 74127c478bd9Sstevel@tonic-gate uint16_t *w_src, *w_dst; 74137c478bd9Sstevel@tonic-gate uint32_t *l_src, *l_dst; 74147c478bd9Sstevel@tonic-gate uint64_t *ll_src, *ll_dst; 74157c478bd9Sstevel@tonic-gate 74167c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 74177c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 74187c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74197c478bd9Sstevel@tonic-gate 74207c478bd9Sstevel@tonic-gate switch (dev_datasz) { 74217c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 74227c478bd9Sstevel@tonic-gate b_src = (uint8_t *)src_addr; 74237c478bd9Sstevel@tonic-gate b_dst = (uint8_t *)dest_addr; 74247c478bd9Sstevel@tonic-gate 74257c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 1) { 74267c478bd9Sstevel@tonic-gate ddi_put8(dest_handle, b_dst, 7427184cd04cScth ddi_get8(src_handle, b_src)); 74287c478bd9Sstevel@tonic-gate b_dst += dest_advcnt; 74297c478bd9Sstevel@tonic-gate b_src += src_advcnt; 74307c478bd9Sstevel@tonic-gate } 74317c478bd9Sstevel@tonic-gate break; 74327c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 74337c478bd9Sstevel@tonic-gate w_src = (uint16_t *)src_addr; 74347c478bd9Sstevel@tonic-gate w_dst = (uint16_t *)dest_addr; 74357c478bd9Sstevel@tonic-gate 74367c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 2) { 74377c478bd9Sstevel@tonic-gate ddi_put16(dest_handle, w_dst, 7438184cd04cScth ddi_get16(src_handle, w_src)); 74397c478bd9Sstevel@tonic-gate w_dst += dest_advcnt; 74407c478bd9Sstevel@tonic-gate w_src += src_advcnt; 74417c478bd9Sstevel@tonic-gate } 74427c478bd9Sstevel@tonic-gate break; 74437c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 74447c478bd9Sstevel@tonic-gate l_src = (uint32_t *)src_addr; 74457c478bd9Sstevel@tonic-gate l_dst = (uint32_t *)dest_addr; 74467c478bd9Sstevel@tonic-gate 74477c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 4) { 74487c478bd9Sstevel@tonic-gate ddi_put32(dest_handle, l_dst, 7449184cd04cScth ddi_get32(src_handle, l_src)); 74507c478bd9Sstevel@tonic-gate l_dst += dest_advcnt; 74517c478bd9Sstevel@tonic-gate l_src += src_advcnt; 74527c478bd9Sstevel@tonic-gate } 74537c478bd9Sstevel@tonic-gate break; 74547c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 74557c478bd9Sstevel@tonic-gate ll_src = (uint64_t *)src_addr; 74567c478bd9Sstevel@tonic-gate ll_dst = (uint64_t *)dest_addr; 74577c478bd9Sstevel@tonic-gate 74587c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 8) { 74597c478bd9Sstevel@tonic-gate ddi_put64(dest_handle, ll_dst, 7460184cd04cScth ddi_get64(src_handle, ll_src)); 74617c478bd9Sstevel@tonic-gate ll_dst += dest_advcnt; 74627c478bd9Sstevel@tonic-gate ll_src += src_advcnt; 74637c478bd9Sstevel@tonic-gate } 74647c478bd9Sstevel@tonic-gate break; 74657c478bd9Sstevel@tonic-gate default: 74667c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74677c478bd9Sstevel@tonic-gate } 74687c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 74697c478bd9Sstevel@tonic-gate } 74707c478bd9Sstevel@tonic-gate 74717c478bd9Sstevel@tonic-gate #define swap16(value) \ 74727c478bd9Sstevel@tonic-gate ((((value) & 0xff) << 8) | ((value) >> 8)) 74737c478bd9Sstevel@tonic-gate 74747c478bd9Sstevel@tonic-gate #define swap32(value) \ 74757c478bd9Sstevel@tonic-gate (((uint32_t)swap16((uint16_t)((value) & 0xffff)) << 16) | \ 74767c478bd9Sstevel@tonic-gate (uint32_t)swap16((uint16_t)((value) >> 16))) 74777c478bd9Sstevel@tonic-gate 74787c478bd9Sstevel@tonic-gate #define swap64(value) \ 74797c478bd9Sstevel@tonic-gate (((uint64_t)swap32((uint32_t)((value) & 0xffffffff)) \ 74807c478bd9Sstevel@tonic-gate << 32) | \ 74817c478bd9Sstevel@tonic-gate (uint64_t)swap32((uint32_t)((value) >> 32))) 74827c478bd9Sstevel@tonic-gate 74837c478bd9Sstevel@tonic-gate uint16_t 74847c478bd9Sstevel@tonic-gate ddi_swap16(uint16_t value) 74857c478bd9Sstevel@tonic-gate { 74867c478bd9Sstevel@tonic-gate return (swap16(value)); 74877c478bd9Sstevel@tonic-gate } 74887c478bd9Sstevel@tonic-gate 74897c478bd9Sstevel@tonic-gate uint32_t 74907c478bd9Sstevel@tonic-gate ddi_swap32(uint32_t value) 74917c478bd9Sstevel@tonic-gate { 74927c478bd9Sstevel@tonic-gate return (swap32(value)); 74937c478bd9Sstevel@tonic-gate } 74947c478bd9Sstevel@tonic-gate 74957c478bd9Sstevel@tonic-gate uint64_t 74967c478bd9Sstevel@tonic-gate ddi_swap64(uint64_t value) 74977c478bd9Sstevel@tonic-gate { 74987c478bd9Sstevel@tonic-gate return (swap64(value)); 74997c478bd9Sstevel@tonic-gate } 75007c478bd9Sstevel@tonic-gate 75017c478bd9Sstevel@tonic-gate /* 75027c478bd9Sstevel@tonic-gate * Convert a binding name to a driver name. 75037c478bd9Sstevel@tonic-gate * A binding name is the name used to determine the driver for a 75047c478bd9Sstevel@tonic-gate * device - it may be either an alias for the driver or the name 75057c478bd9Sstevel@tonic-gate * of the driver itself. 75067c478bd9Sstevel@tonic-gate */ 75077c478bd9Sstevel@tonic-gate char * 75087c478bd9Sstevel@tonic-gate i_binding_to_drv_name(char *bname) 75097c478bd9Sstevel@tonic-gate { 75107c478bd9Sstevel@tonic-gate major_t major_no; 75117c478bd9Sstevel@tonic-gate 75127c478bd9Sstevel@tonic-gate ASSERT(bname != NULL); 75137c478bd9Sstevel@tonic-gate 75147c478bd9Sstevel@tonic-gate if ((major_no = ddi_name_to_major(bname)) == -1) 75157c478bd9Sstevel@tonic-gate return (NULL); 75167c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major_no)); 75177c478bd9Sstevel@tonic-gate } 75187c478bd9Sstevel@tonic-gate 75197c478bd9Sstevel@tonic-gate /* 75207c478bd9Sstevel@tonic-gate * Search for minor name that has specified dev_t and spec_type. 75217c478bd9Sstevel@tonic-gate * If spec_type is zero then any dev_t match works. Since we 75227c478bd9Sstevel@tonic-gate * are returning a pointer to the minor name string, we require the 75237c478bd9Sstevel@tonic-gate * caller to do the locking. 75247c478bd9Sstevel@tonic-gate */ 75257c478bd9Sstevel@tonic-gate char * 75267c478bd9Sstevel@tonic-gate i_ddi_devtspectype_to_minorname(dev_info_t *dip, dev_t dev, int spec_type) 75277c478bd9Sstevel@tonic-gate { 75287c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 75297c478bd9Sstevel@tonic-gate 75307c478bd9Sstevel@tonic-gate /* 75317c478bd9Sstevel@tonic-gate * The did layered driver currently intentionally returns a 75327c478bd9Sstevel@tonic-gate * devinfo ptr for an underlying sd instance based on a did 75337c478bd9Sstevel@tonic-gate * dev_t. In this case it is not an error. 75347c478bd9Sstevel@tonic-gate * 75357c478bd9Sstevel@tonic-gate * The did layered driver is associated with Sun Cluster. 75367c478bd9Sstevel@tonic-gate */ 75377c478bd9Sstevel@tonic-gate ASSERT((ddi_driver_major(dip) == getmajor(dev)) || 7538184cd04cScth (strcmp(ddi_major_to_name(getmajor(dev)), "did") == 0)); 75397c478bd9Sstevel@tonic-gate 7540b9ccdc5aScth ASSERT(DEVI_BUSY_OWNED(dip)); 75417c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 75427c478bd9Sstevel@tonic-gate if (((dmdp->type == DDM_MINOR) || 75437c478bd9Sstevel@tonic-gate (dmdp->type == DDM_INTERNAL_PATH) || 75447c478bd9Sstevel@tonic-gate (dmdp->type == DDM_DEFAULT)) && 75457c478bd9Sstevel@tonic-gate (dmdp->ddm_dev == dev) && 75467c478bd9Sstevel@tonic-gate ((((spec_type & (S_IFCHR|S_IFBLK))) == 0) || 75477c478bd9Sstevel@tonic-gate (dmdp->ddm_spec_type == spec_type))) 75487c478bd9Sstevel@tonic-gate return (dmdp->ddm_name); 75497c478bd9Sstevel@tonic-gate } 75507c478bd9Sstevel@tonic-gate 75517c478bd9Sstevel@tonic-gate return (NULL); 75527c478bd9Sstevel@tonic-gate } 75537c478bd9Sstevel@tonic-gate 75547c478bd9Sstevel@tonic-gate /* 75557c478bd9Sstevel@tonic-gate * Find the devt and spectype of the specified minor_name. 75567c478bd9Sstevel@tonic-gate * Return DDI_FAILURE if minor_name not found. Since we are 75577c478bd9Sstevel@tonic-gate * returning everything via arguments we can do the locking. 75587c478bd9Sstevel@tonic-gate */ 75597c478bd9Sstevel@tonic-gate int 75607c478bd9Sstevel@tonic-gate i_ddi_minorname_to_devtspectype(dev_info_t *dip, char *minor_name, 75617c478bd9Sstevel@tonic-gate dev_t *devtp, int *spectypep) 75627c478bd9Sstevel@tonic-gate { 7563b9ccdc5aScth int circ; 75647c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate /* deal with clone minor nodes */ 75677c478bd9Sstevel@tonic-gate if (dip == clone_dip) { 75687c478bd9Sstevel@tonic-gate major_t major; 75697c478bd9Sstevel@tonic-gate /* 75707c478bd9Sstevel@tonic-gate * Make sure minor_name is a STREAMS driver. 75717c478bd9Sstevel@tonic-gate * We load the driver but don't attach to any instances. 75727c478bd9Sstevel@tonic-gate */ 75737c478bd9Sstevel@tonic-gate 75747c478bd9Sstevel@tonic-gate major = ddi_name_to_major(minor_name); 7575a204de77Scth if (major == DDI_MAJOR_T_NONE) 75767c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75777c478bd9Sstevel@tonic-gate 75787c478bd9Sstevel@tonic-gate if (ddi_hold_driver(major) == NULL) 75797c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75807c478bd9Sstevel@tonic-gate 75817c478bd9Sstevel@tonic-gate if (STREAMSTAB(major) == NULL) { 75827c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 75837c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75847c478bd9Sstevel@tonic-gate } 75857c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 75867c478bd9Sstevel@tonic-gate 75877c478bd9Sstevel@tonic-gate if (devtp) 75887c478bd9Sstevel@tonic-gate *devtp = makedevice(clone_major, (minor_t)major); 75897c478bd9Sstevel@tonic-gate 75907c478bd9Sstevel@tonic-gate if (spectypep) 75917c478bd9Sstevel@tonic-gate *spectypep = S_IFCHR; 75927c478bd9Sstevel@tonic-gate 75937c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 75947c478bd9Sstevel@tonic-gate } 75957c478bd9Sstevel@tonic-gate 7596b9ccdc5aScth ndi_devi_enter(dip, &circ); 75977c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 75987c478bd9Sstevel@tonic-gate if (((dmdp->type != DDM_MINOR) && 75997c478bd9Sstevel@tonic-gate (dmdp->type != DDM_INTERNAL_PATH) && 76007c478bd9Sstevel@tonic-gate (dmdp->type != DDM_DEFAULT)) || 76017c478bd9Sstevel@tonic-gate strcmp(minor_name, dmdp->ddm_name)) 76027c478bd9Sstevel@tonic-gate continue; 76037c478bd9Sstevel@tonic-gate 76047c478bd9Sstevel@tonic-gate if (devtp) 76057c478bd9Sstevel@tonic-gate *devtp = dmdp->ddm_dev; 76067c478bd9Sstevel@tonic-gate 76077c478bd9Sstevel@tonic-gate if (spectypep) 76087c478bd9Sstevel@tonic-gate *spectypep = dmdp->ddm_spec_type; 76097c478bd9Sstevel@tonic-gate 7610b9ccdc5aScth ndi_devi_exit(dip, circ); 76117c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 76127c478bd9Sstevel@tonic-gate } 7613b9ccdc5aScth ndi_devi_exit(dip, circ); 76147c478bd9Sstevel@tonic-gate 76157c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76167c478bd9Sstevel@tonic-gate } 76177c478bd9Sstevel@tonic-gate 76187c478bd9Sstevel@tonic-gate static kmutex_t devid_gen_mutex; 76197c478bd9Sstevel@tonic-gate static short devid_gen_number; 76207c478bd9Sstevel@tonic-gate 76217c478bd9Sstevel@tonic-gate #ifdef DEBUG 76227c478bd9Sstevel@tonic-gate 76237c478bd9Sstevel@tonic-gate static int devid_register_corrupt = 0; 76247c478bd9Sstevel@tonic-gate static int devid_register_corrupt_major = 0; 76257c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint = 0; 76267c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint_major = 0; 76277c478bd9Sstevel@tonic-gate 76287c478bd9Sstevel@tonic-gate static int devid_lyr_debug = 0; 76297c478bd9Sstevel@tonic-gate 76307c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) \ 76317c478bd9Sstevel@tonic-gate if (devid_lyr_debug) \ 76327c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(msg, ndevs, devs) 76337c478bd9Sstevel@tonic-gate 76347c478bd9Sstevel@tonic-gate #else 76357c478bd9Sstevel@tonic-gate 76367c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) 76377c478bd9Sstevel@tonic-gate 76387c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 76397c478bd9Sstevel@tonic-gate 76407c478bd9Sstevel@tonic-gate 76417c478bd9Sstevel@tonic-gate #ifdef DEBUG 76427c478bd9Sstevel@tonic-gate 76437c478bd9Sstevel@tonic-gate static void 76447c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(char *msg, int ndevs, dev_t *devs) 76457c478bd9Sstevel@tonic-gate { 76467c478bd9Sstevel@tonic-gate int i; 76477c478bd9Sstevel@tonic-gate 76487c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 76497c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 76507c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 76517c478bd9Sstevel@tonic-gate } 76527c478bd9Sstevel@tonic-gate } 76537c478bd9Sstevel@tonic-gate 76547c478bd9Sstevel@tonic-gate static void 76557c478bd9Sstevel@tonic-gate ddi_debug_devid_paths(char *msg, int npaths, char **paths) 76567c478bd9Sstevel@tonic-gate { 76577c478bd9Sstevel@tonic-gate int i; 76587c478bd9Sstevel@tonic-gate 76597c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 76607c478bd9Sstevel@tonic-gate for (i = 0; i < npaths; i++) { 76617c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " %s\n", paths[i]); 76627c478bd9Sstevel@tonic-gate } 76637c478bd9Sstevel@tonic-gate } 76647c478bd9Sstevel@tonic-gate 76657c478bd9Sstevel@tonic-gate static void 76667c478bd9Sstevel@tonic-gate ddi_debug_devid_devts_per_path(char *path, int ndevs, dev_t *devs) 76677c478bd9Sstevel@tonic-gate { 76687c478bd9Sstevel@tonic-gate int i; 76697c478bd9Sstevel@tonic-gate 76707c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "dev_ts per path %s\n", path); 76717c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 76727c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 76737c478bd9Sstevel@tonic-gate } 76747c478bd9Sstevel@tonic-gate } 76757c478bd9Sstevel@tonic-gate 76767c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 76777c478bd9Sstevel@tonic-gate 76787c478bd9Sstevel@tonic-gate /* 76797c478bd9Sstevel@tonic-gate * Register device id into DDI framework. 76807c478bd9Sstevel@tonic-gate * Must be called when device is attached. 76817c478bd9Sstevel@tonic-gate */ 76827c478bd9Sstevel@tonic-gate static int 76837c478bd9Sstevel@tonic-gate i_ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 76847c478bd9Sstevel@tonic-gate { 76857c478bd9Sstevel@tonic-gate impl_devid_t *i_devid = (impl_devid_t *)devid; 76867c478bd9Sstevel@tonic-gate size_t driver_len; 76877c478bd9Sstevel@tonic-gate const char *driver_name; 76887c478bd9Sstevel@tonic-gate char *devid_str; 76897c478bd9Sstevel@tonic-gate major_t major; 76907c478bd9Sstevel@tonic-gate 76917c478bd9Sstevel@tonic-gate if ((dip == NULL) || 7692a204de77Scth ((major = ddi_driver_major(dip)) == DDI_MAJOR_T_NONE)) 76937c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76947c478bd9Sstevel@tonic-gate 76957c478bd9Sstevel@tonic-gate /* verify that the devid is valid */ 76967c478bd9Sstevel@tonic-gate if (ddi_devid_valid(devid) != DDI_SUCCESS) 76977c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76987c478bd9Sstevel@tonic-gate 76997c478bd9Sstevel@tonic-gate /* Updating driver name hint in devid */ 77007c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 77017c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 77027c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 77037c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 77047c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 77057c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 77067c478bd9Sstevel@tonic-gate } 77077c478bd9Sstevel@tonic-gate bzero(i_devid->did_driver, DEVID_HINT_SIZE); 77087c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 77097c478bd9Sstevel@tonic-gate 77107c478bd9Sstevel@tonic-gate #ifdef DEBUG 77117c478bd9Sstevel@tonic-gate /* Corrupt the devid for testing. */ 77127c478bd9Sstevel@tonic-gate if (devid_register_corrupt) 77137c478bd9Sstevel@tonic-gate i_devid->did_id[0] += devid_register_corrupt; 77147c478bd9Sstevel@tonic-gate if (devid_register_corrupt_major && 77157c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_major)) 77167c478bd9Sstevel@tonic-gate i_devid->did_id[0] += 1; 77177c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint) 77187c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += devid_register_corrupt_hint; 77197c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint_major && 77207c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_hint_major)) 77217c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += 1; 77227c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 77237c478bd9Sstevel@tonic-gate 77247c478bd9Sstevel@tonic-gate /* encode the devid as a string */ 77257c478bd9Sstevel@tonic-gate if ((devid_str = ddi_devid_str_encode(devid, NULL)) == NULL) 77267c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate /* add string as a string property */ 77297c478bd9Sstevel@tonic-gate if (ndi_prop_update_string(DDI_DEV_T_NONE, dip, 77307c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, devid_str) != DDI_SUCCESS) { 77317c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: devid property update failed", 7732184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 77337c478bd9Sstevel@tonic-gate ddi_devid_str_free(devid_str); 77347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 77357c478bd9Sstevel@tonic-gate } 77367c478bd9Sstevel@tonic-gate 7737602ca9eaScth /* keep pointer to devid string for interrupt context fma code */ 7738602ca9eaScth if (DEVI(dip)->devi_devid_str) 7739602ca9eaScth ddi_devid_str_free(DEVI(dip)->devi_devid_str); 7740602ca9eaScth DEVI(dip)->devi_devid_str = devid_str; 77417c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 77427c478bd9Sstevel@tonic-gate } 77437c478bd9Sstevel@tonic-gate 77447c478bd9Sstevel@tonic-gate int 77457c478bd9Sstevel@tonic-gate ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 77467c478bd9Sstevel@tonic-gate { 77477c478bd9Sstevel@tonic-gate int rval; 77487c478bd9Sstevel@tonic-gate 77497c478bd9Sstevel@tonic-gate rval = i_ddi_devid_register(dip, devid); 77507c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 77517c478bd9Sstevel@tonic-gate /* 77527c478bd9Sstevel@tonic-gate * Register devid in devid-to-path cache 77537c478bd9Sstevel@tonic-gate */ 77547c478bd9Sstevel@tonic-gate if (e_devid_cache_register(dip, devid) == DDI_SUCCESS) { 77557c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 77567c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags |= DEVI_REGISTERED_DEVID; 77577c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 77587c478bd9Sstevel@tonic-gate } else { 77597c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to cache devid", 7760184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 77617c478bd9Sstevel@tonic-gate } 77627c478bd9Sstevel@tonic-gate } else { 77637c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to register devid", 7764184cd04cScth ddi_driver_name(dip), ddi_get_instance(dip)); 77657c478bd9Sstevel@tonic-gate } 77667c478bd9Sstevel@tonic-gate return (rval); 77677c478bd9Sstevel@tonic-gate } 77687c478bd9Sstevel@tonic-gate 77697c478bd9Sstevel@tonic-gate /* 77707c478bd9Sstevel@tonic-gate * Remove (unregister) device id from DDI framework. 77717c478bd9Sstevel@tonic-gate * Must be called when device is detached. 77727c478bd9Sstevel@tonic-gate */ 77737c478bd9Sstevel@tonic-gate static void 77747c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dev_info_t *dip) 77757c478bd9Sstevel@tonic-gate { 7776602ca9eaScth if (DEVI(dip)->devi_devid_str) { 7777602ca9eaScth ddi_devid_str_free(DEVI(dip)->devi_devid_str); 7778602ca9eaScth DEVI(dip)->devi_devid_str = NULL; 7779602ca9eaScth } 77807c478bd9Sstevel@tonic-gate 77817c478bd9Sstevel@tonic-gate /* remove the devid property */ 77827c478bd9Sstevel@tonic-gate (void) ndi_prop_remove(DDI_DEV_T_NONE, dip, DEVID_PROP_NAME); 77837c478bd9Sstevel@tonic-gate } 77847c478bd9Sstevel@tonic-gate 77857c478bd9Sstevel@tonic-gate void 77867c478bd9Sstevel@tonic-gate ddi_devid_unregister(dev_info_t *dip) 77877c478bd9Sstevel@tonic-gate { 77887c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 77897c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags &= ~DEVI_REGISTERED_DEVID; 77907c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 77917c478bd9Sstevel@tonic-gate e_devid_cache_unregister(dip); 77927c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dip); 77937c478bd9Sstevel@tonic-gate } 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate /* 77967c478bd9Sstevel@tonic-gate * Allocate and initialize a device id. 77977c478bd9Sstevel@tonic-gate */ 77987c478bd9Sstevel@tonic-gate int 77997c478bd9Sstevel@tonic-gate ddi_devid_init( 78007c478bd9Sstevel@tonic-gate dev_info_t *dip, 78017c478bd9Sstevel@tonic-gate ushort_t devid_type, 78027c478bd9Sstevel@tonic-gate ushort_t nbytes, 78037c478bd9Sstevel@tonic-gate void *id, 78047c478bd9Sstevel@tonic-gate ddi_devid_t *ret_devid) 78057c478bd9Sstevel@tonic-gate { 78067c478bd9Sstevel@tonic-gate impl_devid_t *i_devid; 78077c478bd9Sstevel@tonic-gate int sz = sizeof (*i_devid) + nbytes - sizeof (char); 78087c478bd9Sstevel@tonic-gate int driver_len; 78097c478bd9Sstevel@tonic-gate const char *driver_name; 78107c478bd9Sstevel@tonic-gate 78117c478bd9Sstevel@tonic-gate switch (devid_type) { 78127c478bd9Sstevel@tonic-gate case DEVID_SCSI3_WWN: 78137c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 78147c478bd9Sstevel@tonic-gate case DEVID_SCSI_SERIAL: 78157c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 78167c478bd9Sstevel@tonic-gate case DEVID_ATA_SERIAL: 78177c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 78187c478bd9Sstevel@tonic-gate case DEVID_ENCAP: 78197c478bd9Sstevel@tonic-gate if (nbytes == 0) 78207c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78217c478bd9Sstevel@tonic-gate if (id == NULL) 78227c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78237c478bd9Sstevel@tonic-gate break; 78247c478bd9Sstevel@tonic-gate case DEVID_FAB: 78257c478bd9Sstevel@tonic-gate if (nbytes != 0) 78267c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78277c478bd9Sstevel@tonic-gate if (id != NULL) 78287c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78297c478bd9Sstevel@tonic-gate nbytes = sizeof (int) + 78307c478bd9Sstevel@tonic-gate sizeof (struct timeval32) + sizeof (short); 78317c478bd9Sstevel@tonic-gate sz += nbytes; 78327c478bd9Sstevel@tonic-gate break; 78337c478bd9Sstevel@tonic-gate default: 78347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78357c478bd9Sstevel@tonic-gate } 78367c478bd9Sstevel@tonic-gate 78377c478bd9Sstevel@tonic-gate if ((i_devid = kmem_zalloc(sz, KM_SLEEP)) == NULL) 78387c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 78397c478bd9Sstevel@tonic-gate 78407c478bd9Sstevel@tonic-gate i_devid->did_magic_hi = DEVID_MAGIC_MSB; 78417c478bd9Sstevel@tonic-gate i_devid->did_magic_lo = DEVID_MAGIC_LSB; 78427c478bd9Sstevel@tonic-gate i_devid->did_rev_hi = DEVID_REV_MSB; 78437c478bd9Sstevel@tonic-gate i_devid->did_rev_lo = DEVID_REV_LSB; 78447c478bd9Sstevel@tonic-gate DEVID_FORMTYPE(i_devid, devid_type); 78457c478bd9Sstevel@tonic-gate DEVID_FORMLEN(i_devid, nbytes); 78467c478bd9Sstevel@tonic-gate 78477c478bd9Sstevel@tonic-gate /* Fill in driver name hint */ 78487c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 78497c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 78507c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 78517c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 78527c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 78537c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 78547c478bd9Sstevel@tonic-gate } 78557c478bd9Sstevel@tonic-gate 78567c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 78577c478bd9Sstevel@tonic-gate 78587c478bd9Sstevel@tonic-gate /* Fill in id field */ 78597c478bd9Sstevel@tonic-gate if (devid_type == DEVID_FAB) { 78607c478bd9Sstevel@tonic-gate char *cp; 7861*5679c89fSjv uint32_t hostid; 78627c478bd9Sstevel@tonic-gate struct timeval32 timestamp32; 78637c478bd9Sstevel@tonic-gate int i; 78647c478bd9Sstevel@tonic-gate int *ip; 78657c478bd9Sstevel@tonic-gate short gen; 78667c478bd9Sstevel@tonic-gate 78677c478bd9Sstevel@tonic-gate /* increase the generation number */ 78687c478bd9Sstevel@tonic-gate mutex_enter(&devid_gen_mutex); 78697c478bd9Sstevel@tonic-gate gen = devid_gen_number++; 78707c478bd9Sstevel@tonic-gate mutex_exit(&devid_gen_mutex); 78717c478bd9Sstevel@tonic-gate 78727c478bd9Sstevel@tonic-gate cp = i_devid->did_id; 78737c478bd9Sstevel@tonic-gate 78747c478bd9Sstevel@tonic-gate /* Fill in host id (big-endian byte ordering) */ 7875*5679c89fSjv hostid = zone_get_hostid(NULL); 78767c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(hostid)); 78777c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(hostid)); 78787c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(hostid)); 78797c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(hostid)); 78807c478bd9Sstevel@tonic-gate 78817c478bd9Sstevel@tonic-gate /* 78827c478bd9Sstevel@tonic-gate * Fill in timestamp (big-endian byte ordering) 78837c478bd9Sstevel@tonic-gate * 78847c478bd9Sstevel@tonic-gate * (Note that the format may have to be changed 78857c478bd9Sstevel@tonic-gate * before 2038 comes around, though it's arguably 78867c478bd9Sstevel@tonic-gate * unique enough as it is..) 78877c478bd9Sstevel@tonic-gate */ 78887c478bd9Sstevel@tonic-gate uniqtime32(×tamp32); 78897c478bd9Sstevel@tonic-gate ip = (int *)×tamp32; 78907c478bd9Sstevel@tonic-gate for (i = 0; 78917c478bd9Sstevel@tonic-gate i < sizeof (timestamp32) / sizeof (int); i++, ip++) { 78927c478bd9Sstevel@tonic-gate int val; 78937c478bd9Sstevel@tonic-gate val = *ip; 78947c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(val)); 78957c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(val)); 78967c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(val)); 78977c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(val)); 78987c478bd9Sstevel@tonic-gate } 78997c478bd9Sstevel@tonic-gate 79007c478bd9Sstevel@tonic-gate /* fill in the generation number */ 79017c478bd9Sstevel@tonic-gate *cp++ = hibyte(gen); 79027c478bd9Sstevel@tonic-gate *cp++ = lobyte(gen); 79037c478bd9Sstevel@tonic-gate } else 79047c478bd9Sstevel@tonic-gate bcopy(id, i_devid->did_id, nbytes); 79057c478bd9Sstevel@tonic-gate 79067c478bd9Sstevel@tonic-gate /* return device id */ 79077c478bd9Sstevel@tonic-gate *ret_devid = (ddi_devid_t)i_devid; 79087c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 79097c478bd9Sstevel@tonic-gate } 79107c478bd9Sstevel@tonic-gate 79118d483882Smlf int 79128d483882Smlf ddi_devid_get(dev_info_t *dip, ddi_devid_t *ret_devid) 79138d483882Smlf { 79148d483882Smlf return (i_ddi_devi_get_devid(DDI_DEV_T_ANY, dip, ret_devid)); 79158d483882Smlf } 79168d483882Smlf 79177c478bd9Sstevel@tonic-gate int 79187c478bd9Sstevel@tonic-gate i_ddi_devi_get_devid(dev_t dev, dev_info_t *dip, ddi_devid_t *ret_devid) 79197c478bd9Sstevel@tonic-gate { 79207c478bd9Sstevel@tonic-gate char *devidstr; 79217c478bd9Sstevel@tonic-gate 79227c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_NONE); 79237c478bd9Sstevel@tonic-gate 79247c478bd9Sstevel@tonic-gate /* look up the property, devt specific first */ 79257c478bd9Sstevel@tonic-gate if (ddi_prop_lookup_string(dev, dip, DDI_PROP_DONTPASS, 79267c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, &devidstr) != DDI_PROP_SUCCESS) { 79277c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || 79287c478bd9Sstevel@tonic-gate (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 7929184cd04cScth DDI_PROP_DONTPASS, DEVID_PROP_NAME, &devidstr) != 7930184cd04cScth DDI_PROP_SUCCESS)) { 7931184cd04cScth return (DDI_FAILURE); 79327c478bd9Sstevel@tonic-gate } 79337c478bd9Sstevel@tonic-gate } 79347c478bd9Sstevel@tonic-gate 79357c478bd9Sstevel@tonic-gate /* convert to binary form */ 79367c478bd9Sstevel@tonic-gate if (ddi_devid_str_decode(devidstr, ret_devid, NULL) == -1) { 79377c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 79387c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 79397c478bd9Sstevel@tonic-gate } 79407c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 79417c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 79427c478bd9Sstevel@tonic-gate } 79437c478bd9Sstevel@tonic-gate 79447c478bd9Sstevel@tonic-gate /* 79457c478bd9Sstevel@tonic-gate * Return a copy of the device id for dev_t 79467c478bd9Sstevel@tonic-gate */ 79477c478bd9Sstevel@tonic-gate int 79487c478bd9Sstevel@tonic-gate ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid) 79497c478bd9Sstevel@tonic-gate { 79507c478bd9Sstevel@tonic-gate dev_info_t *dip; 79517c478bd9Sstevel@tonic-gate int rval; 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate /* get the dip */ 79547c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 79557c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 79567c478bd9Sstevel@tonic-gate 79577c478bd9Sstevel@tonic-gate rval = i_ddi_devi_get_devid(dev, dip, ret_devid); 79587c478bd9Sstevel@tonic-gate 79597c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 79607c478bd9Sstevel@tonic-gate return (rval); 79617c478bd9Sstevel@tonic-gate } 79627c478bd9Sstevel@tonic-gate 79637c478bd9Sstevel@tonic-gate /* 79647c478bd9Sstevel@tonic-gate * Return a copy of the minor name for dev_t and spec_type 79657c478bd9Sstevel@tonic-gate */ 79667c478bd9Sstevel@tonic-gate int 79677c478bd9Sstevel@tonic-gate ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name) 79687c478bd9Sstevel@tonic-gate { 7969b9ccdc5aScth char *buf; 7970b9ccdc5aScth int circ; 79717c478bd9Sstevel@tonic-gate dev_info_t *dip; 79727c478bd9Sstevel@tonic-gate char *nm; 7973b9ccdc5aScth int rval; 79747c478bd9Sstevel@tonic-gate 7975b9ccdc5aScth if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) { 7976b9ccdc5aScth *minor_name = NULL; 79777c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 79787c478bd9Sstevel@tonic-gate } 79797c478bd9Sstevel@tonic-gate 7980b9ccdc5aScth /* Find the minor name and copy into max size buf */ 7981b9ccdc5aScth buf = kmem_alloc(MAXNAMELEN, KM_SLEEP); 7982b9ccdc5aScth ndi_devi_enter(dip, &circ); 7983b9ccdc5aScth nm = i_ddi_devtspectype_to_minorname(dip, dev, spec_type); 7984b9ccdc5aScth if (nm) 7985b9ccdc5aScth (void) strcpy(buf, nm); 7986b9ccdc5aScth ndi_devi_exit(dip, circ); 7987b9ccdc5aScth ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 79887c478bd9Sstevel@tonic-gate 7989b9ccdc5aScth if (nm) { 7990b9ccdc5aScth /* duplicate into min size buf for return result */ 7991b9ccdc5aScth *minor_name = i_ddi_strdup(buf, KM_SLEEP); 7992b9ccdc5aScth rval = DDI_SUCCESS; 7993b9ccdc5aScth } else { 79947c478bd9Sstevel@tonic-gate *minor_name = NULL; 7995b9ccdc5aScth rval = DDI_FAILURE; 79967c478bd9Sstevel@tonic-gate } 79977c478bd9Sstevel@tonic-gate 7998b9ccdc5aScth /* free max size buf and return */ 7999b9ccdc5aScth kmem_free(buf, MAXNAMELEN); 8000b9ccdc5aScth return (rval); 80017c478bd9Sstevel@tonic-gate } 80027c478bd9Sstevel@tonic-gate 80037c478bd9Sstevel@tonic-gate int 80047c478bd9Sstevel@tonic-gate ddi_lyr_devid_to_devlist( 80057c478bd9Sstevel@tonic-gate ddi_devid_t devid, 80067c478bd9Sstevel@tonic-gate char *minor_name, 80077c478bd9Sstevel@tonic-gate int *retndevs, 80087c478bd9Sstevel@tonic-gate dev_t **retdevs) 80097c478bd9Sstevel@tonic-gate { 80107c478bd9Sstevel@tonic-gate ASSERT(ddi_devid_valid(devid) == DDI_SUCCESS); 80117c478bd9Sstevel@tonic-gate 80127c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 80137c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 80147c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 80157c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 8016184cd04cScth *retndevs, *retdevs); 80177c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 80187c478bd9Sstevel@tonic-gate } 80197c478bd9Sstevel@tonic-gate 80207c478bd9Sstevel@tonic-gate if (e_ddi_devid_discovery(devid) == DDI_FAILURE) { 80217c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 80227c478bd9Sstevel@tonic-gate } 80237c478bd9Sstevel@tonic-gate 80247c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 80257c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 80267c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 80277c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 8028184cd04cScth *retndevs, *retdevs); 80297c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 80307c478bd9Sstevel@tonic-gate } 80317c478bd9Sstevel@tonic-gate 80327c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 80337c478bd9Sstevel@tonic-gate } 80347c478bd9Sstevel@tonic-gate 80357c478bd9Sstevel@tonic-gate void 80367c478bd9Sstevel@tonic-gate ddi_lyr_free_devlist(dev_t *devlist, int ndevs) 80377c478bd9Sstevel@tonic-gate { 80387c478bd9Sstevel@tonic-gate kmem_free(devlist, sizeof (dev_t) * ndevs); 80397c478bd9Sstevel@tonic-gate } 80407c478bd9Sstevel@tonic-gate 80417c478bd9Sstevel@tonic-gate /* 80427c478bd9Sstevel@tonic-gate * Note: This will need to be fixed if we ever allow processes to 80437c478bd9Sstevel@tonic-gate * have more than one data model per exec. 80447c478bd9Sstevel@tonic-gate */ 80457c478bd9Sstevel@tonic-gate model_t 80467c478bd9Sstevel@tonic-gate ddi_mmap_get_model(void) 80477c478bd9Sstevel@tonic-gate { 80487c478bd9Sstevel@tonic-gate return (get_udatamodel()); 80497c478bd9Sstevel@tonic-gate } 80507c478bd9Sstevel@tonic-gate 80517c478bd9Sstevel@tonic-gate model_t 80527c478bd9Sstevel@tonic-gate ddi_model_convert_from(model_t model) 80537c478bd9Sstevel@tonic-gate { 80547c478bd9Sstevel@tonic-gate return ((model & DDI_MODEL_MASK) & ~DDI_MODEL_NATIVE); 80557c478bd9Sstevel@tonic-gate } 80567c478bd9Sstevel@tonic-gate 80577c478bd9Sstevel@tonic-gate /* 80587c478bd9Sstevel@tonic-gate * ddi interfaces managing storage and retrieval of eventcookies. 80597c478bd9Sstevel@tonic-gate */ 80607c478bd9Sstevel@tonic-gate 80617c478bd9Sstevel@tonic-gate /* 80627c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 80637c478bd9Sstevel@tonic-gate * (*bus_remove_eventcall)() interface to remove a registered 80647c478bd9Sstevel@tonic-gate * callback handler for "event". 80657c478bd9Sstevel@tonic-gate */ 80667c478bd9Sstevel@tonic-gate int 80677c478bd9Sstevel@tonic-gate ddi_remove_event_handler(ddi_callback_id_t id) 80687c478bd9Sstevel@tonic-gate { 80697c478bd9Sstevel@tonic-gate ndi_event_callbacks_t *cb = (ndi_event_callbacks_t *)id; 80707c478bd9Sstevel@tonic-gate dev_info_t *ddip; 80717c478bd9Sstevel@tonic-gate 80727c478bd9Sstevel@tonic-gate ASSERT(cb); 80737c478bd9Sstevel@tonic-gate if (!cb) { 80747c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 80757c478bd9Sstevel@tonic-gate } 80767c478bd9Sstevel@tonic-gate 80777c478bd9Sstevel@tonic-gate ddip = NDI_EVENT_DDIP(cb->ndi_evtcb_cookie); 80787c478bd9Sstevel@tonic-gate return (ndi_busop_remove_eventcall(ddip, id)); 80797c478bd9Sstevel@tonic-gate } 80807c478bd9Sstevel@tonic-gate 80817c478bd9Sstevel@tonic-gate /* 80827c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 80837c478bd9Sstevel@tonic-gate * (*bus_add_eventcall)() interface to register a callback handler 80847c478bd9Sstevel@tonic-gate * for "event". 80857c478bd9Sstevel@tonic-gate */ 80867c478bd9Sstevel@tonic-gate int 80877c478bd9Sstevel@tonic-gate ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 80887c478bd9Sstevel@tonic-gate void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 80897c478bd9Sstevel@tonic-gate void *arg, ddi_callback_id_t *id) 80907c478bd9Sstevel@tonic-gate { 80917c478bd9Sstevel@tonic-gate return (ndi_busop_add_eventcall(dip, dip, event, handler, arg, id)); 80927c478bd9Sstevel@tonic-gate } 80937c478bd9Sstevel@tonic-gate 80947c478bd9Sstevel@tonic-gate 80957c478bd9Sstevel@tonic-gate /* 80967c478bd9Sstevel@tonic-gate * Return a handle for event "name" by calling up the device tree 80977c478bd9Sstevel@tonic-gate * hierarchy via (*bus_get_eventcookie)() interface until claimed 80987c478bd9Sstevel@tonic-gate * by a bus nexus or top of dev_info tree is reached. 80997c478bd9Sstevel@tonic-gate */ 81007c478bd9Sstevel@tonic-gate int 81017c478bd9Sstevel@tonic-gate ddi_get_eventcookie(dev_info_t *dip, char *name, 81027c478bd9Sstevel@tonic-gate ddi_eventcookie_t *event_cookiep) 81037c478bd9Sstevel@tonic-gate { 81047c478bd9Sstevel@tonic-gate return (ndi_busop_get_eventcookie(dip, dip, 81057c478bd9Sstevel@tonic-gate name, event_cookiep)); 81067c478bd9Sstevel@tonic-gate } 81077c478bd9Sstevel@tonic-gate 81087c478bd9Sstevel@tonic-gate /* 81097c478bd9Sstevel@tonic-gate * This procedure is provided as the general callback function when 81107c478bd9Sstevel@tonic-gate * umem_lockmemory calls as_add_callback for long term memory locking. 81117c478bd9Sstevel@tonic-gate * When as_unmap, as_setprot, or as_free encounter segments which have 81127c478bd9Sstevel@tonic-gate * locked memory, this callback will be invoked. 81137c478bd9Sstevel@tonic-gate */ 81147c478bd9Sstevel@tonic-gate void 81157c478bd9Sstevel@tonic-gate umem_lock_undo(struct as *as, void *arg, uint_t event) 81167c478bd9Sstevel@tonic-gate { 81177c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(as, event)) 81187c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *cp = (struct ddi_umem_cookie *)arg; 81197c478bd9Sstevel@tonic-gate 81207c478bd9Sstevel@tonic-gate /* 81217c478bd9Sstevel@tonic-gate * Call the cleanup function. Decrement the cookie reference 81227c478bd9Sstevel@tonic-gate * count, if it goes to zero, return the memory for the cookie. 81237c478bd9Sstevel@tonic-gate * The i_ddi_umem_unlock for this cookie may or may not have been 81247c478bd9Sstevel@tonic-gate * called already. It is the responsibility of the caller of 81257c478bd9Sstevel@tonic-gate * umem_lockmemory to handle the case of the cleanup routine 81267c478bd9Sstevel@tonic-gate * being called after a ddi_umem_unlock for the cookie 81277c478bd9Sstevel@tonic-gate * was called. 81287c478bd9Sstevel@tonic-gate */ 81297c478bd9Sstevel@tonic-gate 81307c478bd9Sstevel@tonic-gate (*cp->callbacks.cbo_umem_lock_cleanup)((ddi_umem_cookie_t)cp); 81317c478bd9Sstevel@tonic-gate 81327c478bd9Sstevel@tonic-gate /* remove the cookie if reference goes to zero */ 81337c478bd9Sstevel@tonic-gate if (atomic_add_long_nv((ulong_t *)(&(cp->cook_refcnt)), -1) == 0) { 81347c478bd9Sstevel@tonic-gate kmem_free(cp, sizeof (struct ddi_umem_cookie)); 81357c478bd9Sstevel@tonic-gate } 81367c478bd9Sstevel@tonic-gate } 81377c478bd9Sstevel@tonic-gate 81387c478bd9Sstevel@tonic-gate /* 81397c478bd9Sstevel@tonic-gate * The following two Consolidation Private routines provide generic 81407c478bd9Sstevel@tonic-gate * interfaces to increase/decrease the amount of device-locked memory. 81417c478bd9Sstevel@tonic-gate * 81427c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_decr_locked_memory() 81437c478bd9Sstevel@tonic-gate * must be called every time i_ddi_incr_locked_memory() is called. 81447c478bd9Sstevel@tonic-gate */ 81457c478bd9Sstevel@tonic-gate int 81467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8147c6939658Ssl i_ddi_incr_locked_memory(proc_t *procp, rctl_qty_t inc) 81487c478bd9Sstevel@tonic-gate { 8149c6939658Ssl ASSERT(procp != NULL); 8150c6939658Ssl mutex_enter(&procp->p_lock); 8151c6939658Ssl if (rctl_incr_locked_mem(procp, NULL, inc, 1)) { 8152c6939658Ssl mutex_exit(&procp->p_lock); 81537c478bd9Sstevel@tonic-gate return (ENOMEM); 81547c478bd9Sstevel@tonic-gate } 8155c6939658Ssl mutex_exit(&procp->p_lock); 81567c478bd9Sstevel@tonic-gate return (0); 81577c478bd9Sstevel@tonic-gate } 81587c478bd9Sstevel@tonic-gate 81597c478bd9Sstevel@tonic-gate /* 81607c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_incr_locked_memory() 81617c478bd9Sstevel@tonic-gate * must be called every time i_ddi_decr_locked_memory() is called. 81627c478bd9Sstevel@tonic-gate */ 81637c478bd9Sstevel@tonic-gate /* ARGSUSED */ 81647c478bd9Sstevel@tonic-gate void 8165c6939658Ssl i_ddi_decr_locked_memory(proc_t *procp, rctl_qty_t dec) 81667c478bd9Sstevel@tonic-gate { 8167c6939658Ssl ASSERT(procp != NULL); 8168c6939658Ssl mutex_enter(&procp->p_lock); 8169c6939658Ssl rctl_decr_locked_mem(procp, NULL, dec, 1); 8170c6939658Ssl mutex_exit(&procp->p_lock); 81717c478bd9Sstevel@tonic-gate } 81727c478bd9Sstevel@tonic-gate 81737c478bd9Sstevel@tonic-gate /* 8174c6939658Ssl * This routine checks if the max-locked-memory resource ctl is 81757c478bd9Sstevel@tonic-gate * exceeded, if not increments it, grabs a hold on the project. 81767c478bd9Sstevel@tonic-gate * Returns 0 if successful otherwise returns error code 81777c478bd9Sstevel@tonic-gate */ 81787c478bd9Sstevel@tonic-gate static int 81797c478bd9Sstevel@tonic-gate umem_incr_devlockmem(struct ddi_umem_cookie *cookie) 81807c478bd9Sstevel@tonic-gate { 81817c478bd9Sstevel@tonic-gate proc_t *procp; 81827c478bd9Sstevel@tonic-gate int ret; 81837c478bd9Sstevel@tonic-gate 81847c478bd9Sstevel@tonic-gate ASSERT(cookie); 81857c478bd9Sstevel@tonic-gate procp = cookie->procp; 81867c478bd9Sstevel@tonic-gate ASSERT(procp); 81877c478bd9Sstevel@tonic-gate 8188c6939658Ssl if ((ret = i_ddi_incr_locked_memory(procp, 8189184cd04cScth cookie->size)) != 0) { 81907c478bd9Sstevel@tonic-gate return (ret); 81917c478bd9Sstevel@tonic-gate } 81927c478bd9Sstevel@tonic-gate return (0); 81937c478bd9Sstevel@tonic-gate } 81947c478bd9Sstevel@tonic-gate 81957c478bd9Sstevel@tonic-gate /* 8196c6939658Ssl * Decrements the max-locked-memory resource ctl and releases 81977c478bd9Sstevel@tonic-gate * the hold on the project that was acquired during umem_incr_devlockmem 81987c478bd9Sstevel@tonic-gate */ 81997c478bd9Sstevel@tonic-gate static void 82007c478bd9Sstevel@tonic-gate umem_decr_devlockmem(struct ddi_umem_cookie *cookie) 82017c478bd9Sstevel@tonic-gate { 8202c6939658Ssl proc_t *proc; 82037c478bd9Sstevel@tonic-gate 8204c6939658Ssl proc = (proc_t *)cookie->procp; 8205c6939658Ssl if (!proc) 82067c478bd9Sstevel@tonic-gate return; 82077c478bd9Sstevel@tonic-gate 8208c6939658Ssl i_ddi_decr_locked_memory(proc, cookie->size); 82097c478bd9Sstevel@tonic-gate } 82107c478bd9Sstevel@tonic-gate 82117c478bd9Sstevel@tonic-gate /* 82127c478bd9Sstevel@tonic-gate * A consolidation private function which is essentially equivalent to 82137c478bd9Sstevel@tonic-gate * ddi_umem_lock but with the addition of arguments ops_vector and procp. 82147c478bd9Sstevel@tonic-gate * A call to as_add_callback is done if DDI_UMEMLOCK_LONGTERM is set, and 82157c478bd9Sstevel@tonic-gate * the ops_vector is valid. 82167c478bd9Sstevel@tonic-gate * 82177c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 82187c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 82197c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 82207c478bd9Sstevel@tonic-gate * to user space. 82217c478bd9Sstevel@tonic-gate * 82227c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 82237c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 82247c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 82257c478bd9Sstevel@tonic-gate * counter for the device locked memory. 82267c478bd9Sstevel@tonic-gate * 82277c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 82287c478bd9Sstevel@tonic-gate * 82297c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 82307c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 82317c478bd9Sstevel@tonic-gate * DDI_UMEMLOCK_LONGTERM must be set when the locking will 82327c478bd9Sstevel@tonic-gate * be maintained for an indefinitely long period (essentially permanent), 82337c478bd9Sstevel@tonic-gate * rather than for what would be required for a typical I/O completion. 82347c478bd9Sstevel@tonic-gate * When DDI_UMEMLOCK_LONGTERM is set, umem_lockmemory will return EFAULT 82357c478bd9Sstevel@tonic-gate * if the memory pertains to a regular file which is mapped MAP_SHARED. 82367c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted after 82377c478bd9Sstevel@tonic-gate * after the locking is done. 82387c478bd9Sstevel@tonic-gate * 82397c478bd9Sstevel@tonic-gate * Returns 0 on success 82407c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 82417c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 82427c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 8243c6939658Ssl * *.max-locked-memory resource control value. 82447c478bd9Sstevel@tonic-gate * EFAULT - memory pertains to a regular file mapped shared and 82457c478bd9Sstevel@tonic-gate * and DDI_UMEMLOCK_LONGTERM flag is set 82467c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 82477c478bd9Sstevel@tonic-gate */ 82487c478bd9Sstevel@tonic-gate int 82497c478bd9Sstevel@tonic-gate umem_lockmemory(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie, 82507c478bd9Sstevel@tonic-gate struct umem_callback_ops *ops_vector, 82517c478bd9Sstevel@tonic-gate proc_t *procp) 82527c478bd9Sstevel@tonic-gate { 82537c478bd9Sstevel@tonic-gate int error; 82547c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 82557c478bd9Sstevel@tonic-gate void (*driver_callback)() = NULL; 82567c478bd9Sstevel@tonic-gate struct as *as = procp->p_as; 82577c478bd9Sstevel@tonic-gate struct seg *seg; 82587c478bd9Sstevel@tonic-gate vnode_t *vp; 82597c478bd9Sstevel@tonic-gate 82607c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 82617c478bd9Sstevel@tonic-gate 82627c478bd9Sstevel@tonic-gate /* These are the only three valid flags */ 82637c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE | 82647c478bd9Sstevel@tonic-gate DDI_UMEMLOCK_LONGTERM)) != 0) 82657c478bd9Sstevel@tonic-gate return (EINVAL); 82667c478bd9Sstevel@tonic-gate 82677c478bd9Sstevel@tonic-gate /* At least one (can be both) of the two access flags must be set */ 82687c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) 82697c478bd9Sstevel@tonic-gate return (EINVAL); 82707c478bd9Sstevel@tonic-gate 82717c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 82727c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) 82737c478bd9Sstevel@tonic-gate return (EINVAL); 82747c478bd9Sstevel@tonic-gate 82757c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) 82767c478bd9Sstevel@tonic-gate return (EINVAL); 82777c478bd9Sstevel@tonic-gate 82787c478bd9Sstevel@tonic-gate /* 82797c478bd9Sstevel@tonic-gate * For longterm locking a driver callback must be specified; if 82807c478bd9Sstevel@tonic-gate * not longterm then a callback is optional. 82817c478bd9Sstevel@tonic-gate */ 82827c478bd9Sstevel@tonic-gate if (ops_vector != NULL) { 82837c478bd9Sstevel@tonic-gate if (ops_vector->cbo_umem_callback_version != 82847c478bd9Sstevel@tonic-gate UMEM_CALLBACK_VERSION) 82857c478bd9Sstevel@tonic-gate return (EINVAL); 82867c478bd9Sstevel@tonic-gate else 82877c478bd9Sstevel@tonic-gate driver_callback = ops_vector->cbo_umem_lock_cleanup; 82887c478bd9Sstevel@tonic-gate } 82897c478bd9Sstevel@tonic-gate if ((driver_callback == NULL) && (flags & DDI_UMEMLOCK_LONGTERM)) 82907c478bd9Sstevel@tonic-gate return (EINVAL); 82917c478bd9Sstevel@tonic-gate 82927c478bd9Sstevel@tonic-gate /* 82937c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 82947c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 82957c478bd9Sstevel@tonic-gate */ 82967c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 82977c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 82987c478bd9Sstevel@tonic-gate 82997c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 83007c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 83017c478bd9Sstevel@tonic-gate 83027c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 83037c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 83047c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 83057c478bd9Sstevel@tonic-gate } else { 83067c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 83077c478bd9Sstevel@tonic-gate } 83087c478bd9Sstevel@tonic-gate 83097c478bd9Sstevel@tonic-gate /* Store procp in cookie for later iosetup/unlock */ 83107c478bd9Sstevel@tonic-gate p->procp = (void *)procp; 83117c478bd9Sstevel@tonic-gate 83127c478bd9Sstevel@tonic-gate /* 83137c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 83147c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 83157c478bd9Sstevel@tonic-gate * is called after relvm is called. 83167c478bd9Sstevel@tonic-gate */ 83177c478bd9Sstevel@tonic-gate p->asp = as; 83187c478bd9Sstevel@tonic-gate 83197c478bd9Sstevel@tonic-gate /* 83207c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 83217c478bd9Sstevel@tonic-gate */ 83227c478bd9Sstevel@tonic-gate p->size = len; 83237c478bd9Sstevel@tonic-gate 83247c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 83257c478bd9Sstevel@tonic-gate /* 83267c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 83277c478bd9Sstevel@tonic-gate */ 83287c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 83297c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 83307c478bd9Sstevel@tonic-gate return (ENOMEM); 83317c478bd9Sstevel@tonic-gate } 83327c478bd9Sstevel@tonic-gate 83337c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 83347c478bd9Sstevel@tonic-gate error = as_pagelock(as, &(p->pparray), addr, len, p->s_flags); 83357c478bd9Sstevel@tonic-gate if (error != 0) { 83367c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 83377c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 83387c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 83397c478bd9Sstevel@tonic-gate return (error); 83407c478bd9Sstevel@tonic-gate } 83417c478bd9Sstevel@tonic-gate 83427c478bd9Sstevel@tonic-gate /* 83437c478bd9Sstevel@tonic-gate * For longterm locking the addr must pertain to a seg_vn segment or 83447c478bd9Sstevel@tonic-gate * or a seg_spt segment. 83457c478bd9Sstevel@tonic-gate * If the segment pertains to a regular file, it cannot be 83467c478bd9Sstevel@tonic-gate * mapped MAP_SHARED. 83477c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted 83487c478bd9Sstevel@tonic-gate * after the locking is done. 83497c478bd9Sstevel@tonic-gate * Doing this after as_pagelock guarantees persistence of the as; if 83507c478bd9Sstevel@tonic-gate * an unacceptable segment is found, the cleanup includes calling 83517c478bd9Sstevel@tonic-gate * as_pageunlock before returning EFAULT. 83527c478bd9Sstevel@tonic-gate */ 83537c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_LONGTERM) { 83547c478bd9Sstevel@tonic-gate extern struct seg_ops segspt_shmops; 83557c478bd9Sstevel@tonic-gate AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 83567c478bd9Sstevel@tonic-gate for (seg = as_segat(as, addr); ; seg = AS_SEGNEXT(as, seg)) { 83577c478bd9Sstevel@tonic-gate if (seg == NULL || seg->s_base > addr + len) 83587c478bd9Sstevel@tonic-gate break; 83597c478bd9Sstevel@tonic-gate if (((seg->s_ops != &segvn_ops) && 83607c478bd9Sstevel@tonic-gate (seg->s_ops != &segspt_shmops)) || 83617c478bd9Sstevel@tonic-gate ((SEGOP_GETVP(seg, addr, &vp) == 0 && 83627c478bd9Sstevel@tonic-gate vp != NULL && vp->v_type == VREG) && 83637c478bd9Sstevel@tonic-gate (SEGOP_GETTYPE(seg, addr) & MAP_SHARED))) { 83647c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 8365184cd04cScth addr, len, p->s_flags); 83667c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 83677c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 83687c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 83697c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 83707c478bd9Sstevel@tonic-gate return (EFAULT); 83717c478bd9Sstevel@tonic-gate } 83727c478bd9Sstevel@tonic-gate } 83737c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 83747c478bd9Sstevel@tonic-gate } 83757c478bd9Sstevel@tonic-gate 83767c478bd9Sstevel@tonic-gate 83777c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 83787c478bd9Sstevel@tonic-gate p->cvaddr = addr; 83797c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 83807c478bd9Sstevel@tonic-gate if (driver_callback != NULL) { 83817c478bd9Sstevel@tonic-gate /* i_ddi_umem_unlock and umem_lock_undo may need the cookie */ 83827c478bd9Sstevel@tonic-gate p->cook_refcnt = 2; 83837c478bd9Sstevel@tonic-gate p->callbacks = *ops_vector; 83847c478bd9Sstevel@tonic-gate } else { 83857c478bd9Sstevel@tonic-gate /* only i_ddi_umme_unlock needs the cookie */ 83867c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 83877c478bd9Sstevel@tonic-gate } 83887c478bd9Sstevel@tonic-gate 83897c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 83907c478bd9Sstevel@tonic-gate 83917c478bd9Sstevel@tonic-gate /* 83927c478bd9Sstevel@tonic-gate * If a driver callback was specified, add an entry to the 83937c478bd9Sstevel@tonic-gate * as struct callback list. The as_pagelock above guarantees 83947c478bd9Sstevel@tonic-gate * the persistence of as. 83957c478bd9Sstevel@tonic-gate */ 83967c478bd9Sstevel@tonic-gate if (driver_callback) { 83977c478bd9Sstevel@tonic-gate error = as_add_callback(as, umem_lock_undo, p, AS_ALL_EVENT, 8398184cd04cScth addr, len, KM_SLEEP); 83997c478bd9Sstevel@tonic-gate if (error != 0) { 84007c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 8401184cd04cScth addr, len, p->s_flags); 84027c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 84037c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 84047c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 84057c478bd9Sstevel@tonic-gate } 84067c478bd9Sstevel@tonic-gate } 84077c478bd9Sstevel@tonic-gate return (error); 84087c478bd9Sstevel@tonic-gate } 84097c478bd9Sstevel@tonic-gate 84107c478bd9Sstevel@tonic-gate /* 84117c478bd9Sstevel@tonic-gate * Unlock the pages locked by ddi_umem_lock or umem_lockmemory and free 84127c478bd9Sstevel@tonic-gate * the cookie. Called from i_ddi_umem_unlock_thread. 84137c478bd9Sstevel@tonic-gate */ 84147c478bd9Sstevel@tonic-gate 84157c478bd9Sstevel@tonic-gate static void 84167c478bd9Sstevel@tonic-gate i_ddi_umem_unlock(struct ddi_umem_cookie *p) 84177c478bd9Sstevel@tonic-gate { 84187c478bd9Sstevel@tonic-gate uint_t rc; 84197c478bd9Sstevel@tonic-gate 84207c478bd9Sstevel@tonic-gate /* 84217c478bd9Sstevel@tonic-gate * There is no way to determine whether a callback to 84227c478bd9Sstevel@tonic-gate * umem_lock_undo was registered via as_add_callback. 84237c478bd9Sstevel@tonic-gate * (i.e. umem_lockmemory was called with DDI_MEMLOCK_LONGTERM and 84247c478bd9Sstevel@tonic-gate * a valid callback function structure.) as_delete_callback 84257c478bd9Sstevel@tonic-gate * is called to delete a possible registered callback. If the 84267c478bd9Sstevel@tonic-gate * return from as_delete_callbacks is AS_CALLBACK_DELETED, it 84277c478bd9Sstevel@tonic-gate * indicates that there was a callback registered, and that is was 84287c478bd9Sstevel@tonic-gate * successfully deleted. Thus, the cookie reference count 84297c478bd9Sstevel@tonic-gate * will never be decremented by umem_lock_undo. Just return the 84307c478bd9Sstevel@tonic-gate * memory for the cookie, since both users of the cookie are done. 84317c478bd9Sstevel@tonic-gate * A return of AS_CALLBACK_NOTFOUND indicates a callback was 84327c478bd9Sstevel@tonic-gate * never registered. A return of AS_CALLBACK_DELETE_DEFERRED 84337c478bd9Sstevel@tonic-gate * indicates that callback processing is taking place and, and 84347c478bd9Sstevel@tonic-gate * umem_lock_undo is, or will be, executing, and thus decrementing 84357c478bd9Sstevel@tonic-gate * the cookie reference count when it is complete. 84367c478bd9Sstevel@tonic-gate * 84377c478bd9Sstevel@tonic-gate * This needs to be done before as_pageunlock so that the 84387c478bd9Sstevel@tonic-gate * persistence of as is guaranteed because of the locked pages. 84397c478bd9Sstevel@tonic-gate * 84407c478bd9Sstevel@tonic-gate */ 84417c478bd9Sstevel@tonic-gate rc = as_delete_callback(p->asp, p); 84427c478bd9Sstevel@tonic-gate 84437c478bd9Sstevel@tonic-gate 84447c478bd9Sstevel@tonic-gate /* 84457c478bd9Sstevel@tonic-gate * The proc->p_as will be stale if i_ddi_umem_unlock is called 84467c478bd9Sstevel@tonic-gate * after relvm is called so use p->asp. 84477c478bd9Sstevel@tonic-gate */ 84487c478bd9Sstevel@tonic-gate as_pageunlock(p->asp, p->pparray, p->cvaddr, p->size, p->s_flags); 84497c478bd9Sstevel@tonic-gate 84507c478bd9Sstevel@tonic-gate /* 84517c478bd9Sstevel@tonic-gate * Now that we have unlocked the memory decrement the 8452c6939658Ssl * *.max-locked-memory rctl 84537c478bd9Sstevel@tonic-gate */ 84547c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 84557c478bd9Sstevel@tonic-gate 84567c478bd9Sstevel@tonic-gate if (rc == AS_CALLBACK_DELETED) { 84577c478bd9Sstevel@tonic-gate /* umem_lock_undo will not happen, return the cookie memory */ 84587c478bd9Sstevel@tonic-gate ASSERT(p->cook_refcnt == 2); 84597c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 84607c478bd9Sstevel@tonic-gate } else { 84617c478bd9Sstevel@tonic-gate /* 84627c478bd9Sstevel@tonic-gate * umem_undo_lock may happen if as_delete_callback returned 84637c478bd9Sstevel@tonic-gate * AS_CALLBACK_DELETE_DEFERRED. In that case, decrement the 84647c478bd9Sstevel@tonic-gate * reference count, atomically, and return the cookie 84657c478bd9Sstevel@tonic-gate * memory if the reference count goes to zero. The only 84667c478bd9Sstevel@tonic-gate * other value for rc is AS_CALLBACK_NOTFOUND. In that 84677c478bd9Sstevel@tonic-gate * case, just return the cookie memory. 84687c478bd9Sstevel@tonic-gate */ 84697c478bd9Sstevel@tonic-gate if ((rc != AS_CALLBACK_DELETE_DEFERRED) || 84707c478bd9Sstevel@tonic-gate (atomic_add_long_nv((ulong_t *)(&(p->cook_refcnt)), -1) 84717c478bd9Sstevel@tonic-gate == 0)) { 84727c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 84737c478bd9Sstevel@tonic-gate } 84747c478bd9Sstevel@tonic-gate } 84757c478bd9Sstevel@tonic-gate } 84767c478bd9Sstevel@tonic-gate 84777c478bd9Sstevel@tonic-gate /* 84787c478bd9Sstevel@tonic-gate * i_ddi_umem_unlock_thread - deferred ddi_umem_unlock list handler. 84797c478bd9Sstevel@tonic-gate * 84807c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock for entries in the ddi_umem_unlock list 84817c478bd9Sstevel@tonic-gate * until it is empty. Then, wait for more to be added. This thread is awoken 84827c478bd9Sstevel@tonic-gate * via calls to ddi_umem_unlock. 84837c478bd9Sstevel@tonic-gate */ 84847c478bd9Sstevel@tonic-gate 84857c478bd9Sstevel@tonic-gate static void 84867c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread(void) 84877c478bd9Sstevel@tonic-gate { 84887c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *ret_cookie; 84897c478bd9Sstevel@tonic-gate callb_cpr_t cprinfo; 84907c478bd9Sstevel@tonic-gate 84917c478bd9Sstevel@tonic-gate /* process the ddi_umem_unlock list */ 84927c478bd9Sstevel@tonic-gate CALLB_CPR_INIT(&cprinfo, &ddi_umem_unlock_mutex, 84937c478bd9Sstevel@tonic-gate callb_generic_cpr, "unlock_thread"); 84947c478bd9Sstevel@tonic-gate for (;;) { 84957c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 84967c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_head != NULL) { /* list not empty */ 84977c478bd9Sstevel@tonic-gate ret_cookie = ddi_umem_unlock_head; 84987c478bd9Sstevel@tonic-gate /* take if off the list */ 84997c478bd9Sstevel@tonic-gate if ((ddi_umem_unlock_head = 85007c478bd9Sstevel@tonic-gate ddi_umem_unlock_head->unl_forw) == NULL) { 85017c478bd9Sstevel@tonic-gate ddi_umem_unlock_tail = NULL; 85027c478bd9Sstevel@tonic-gate } 85037c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 85047c478bd9Sstevel@tonic-gate /* unlock the pages in this cookie */ 85057c478bd9Sstevel@tonic-gate (void) i_ddi_umem_unlock(ret_cookie); 85067c478bd9Sstevel@tonic-gate } else { /* list is empty, wait for next ddi_umem_unlock */ 85077c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_BEGIN(&cprinfo); 85087c478bd9Sstevel@tonic-gate cv_wait(&ddi_umem_unlock_cv, &ddi_umem_unlock_mutex); 85097c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_END(&cprinfo, &ddi_umem_unlock_mutex); 85107c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 85117c478bd9Sstevel@tonic-gate } 85127c478bd9Sstevel@tonic-gate } 85137c478bd9Sstevel@tonic-gate /* ddi_umem_unlock_thread does not exit */ 85147c478bd9Sstevel@tonic-gate /* NOTREACHED */ 85157c478bd9Sstevel@tonic-gate } 85167c478bd9Sstevel@tonic-gate 85177c478bd9Sstevel@tonic-gate /* 85187c478bd9Sstevel@tonic-gate * Start the thread that will process the ddi_umem_unlock list if it is 85197c478bd9Sstevel@tonic-gate * not already started (i_ddi_umem_unlock_thread). 85207c478bd9Sstevel@tonic-gate */ 85217c478bd9Sstevel@tonic-gate static void 85227c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(void) 85237c478bd9Sstevel@tonic-gate { 85247c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 85257c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) { 85267c478bd9Sstevel@tonic-gate ddi_umem_unlock_thread = thread_create(NULL, 0, 85277c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread, NULL, 0, &p0, 85287c478bd9Sstevel@tonic-gate TS_RUN, minclsyspri); 85297c478bd9Sstevel@tonic-gate } 85307c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 85317c478bd9Sstevel@tonic-gate } 85327c478bd9Sstevel@tonic-gate 85337c478bd9Sstevel@tonic-gate /* 85347c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 85357c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 85367c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 85377c478bd9Sstevel@tonic-gate * to user space. 85387c478bd9Sstevel@tonic-gate * 85397c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 85407c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 85417c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 85427c478bd9Sstevel@tonic-gate * counter for the device locked memory. This applies to umem_lockmemory too. 85437c478bd9Sstevel@tonic-gate * 85447c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 85457c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 85467c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 85477c478bd9Sstevel@tonic-gate * 85487c478bd9Sstevel@tonic-gate * Returns 0 on success 85497c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 85507c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 85517c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 8552c6939658Ssl * *.max-locked-memory resource control value. 85537c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 85547c478bd9Sstevel@tonic-gate */ 85557c478bd9Sstevel@tonic-gate int 85567c478bd9Sstevel@tonic-gate ddi_umem_lock(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie) 85577c478bd9Sstevel@tonic-gate { 85587c478bd9Sstevel@tonic-gate int error; 85597c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 85607c478bd9Sstevel@tonic-gate 85617c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 85627c478bd9Sstevel@tonic-gate 85637c478bd9Sstevel@tonic-gate /* These are the only two valid flags */ 85647c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) != 0) { 85657c478bd9Sstevel@tonic-gate return (EINVAL); 85667c478bd9Sstevel@tonic-gate } 85677c478bd9Sstevel@tonic-gate 85687c478bd9Sstevel@tonic-gate /* At least one of the two flags (or both) must be set */ 85697c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) { 85707c478bd9Sstevel@tonic-gate return (EINVAL); 85717c478bd9Sstevel@tonic-gate } 85727c478bd9Sstevel@tonic-gate 85737c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 85747c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) { 85757c478bd9Sstevel@tonic-gate return (EINVAL); 85767c478bd9Sstevel@tonic-gate } 85777c478bd9Sstevel@tonic-gate 85787c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) { 85797c478bd9Sstevel@tonic-gate return (EINVAL); 85807c478bd9Sstevel@tonic-gate } 85817c478bd9Sstevel@tonic-gate 85827c478bd9Sstevel@tonic-gate /* 85837c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 85847c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 85857c478bd9Sstevel@tonic-gate */ 85867c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 85877c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 85887c478bd9Sstevel@tonic-gate 85897c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 85907c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 85917c478bd9Sstevel@tonic-gate 85927c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 85937c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 85947c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 85957c478bd9Sstevel@tonic-gate } else { 85967c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 85977c478bd9Sstevel@tonic-gate } 85987c478bd9Sstevel@tonic-gate 85997c478bd9Sstevel@tonic-gate /* Store curproc in cookie for later iosetup/unlock */ 86007c478bd9Sstevel@tonic-gate p->procp = (void *)curproc; 86017c478bd9Sstevel@tonic-gate 86027c478bd9Sstevel@tonic-gate /* 86037c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 86047c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 86057c478bd9Sstevel@tonic-gate * is called after relvm is called. 86067c478bd9Sstevel@tonic-gate */ 86077c478bd9Sstevel@tonic-gate p->asp = curproc->p_as; 86087c478bd9Sstevel@tonic-gate /* 86097c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 86107c478bd9Sstevel@tonic-gate */ 86117c478bd9Sstevel@tonic-gate p->size = len; 86127c478bd9Sstevel@tonic-gate 86137c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 86147c478bd9Sstevel@tonic-gate /* 86157c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 86167c478bd9Sstevel@tonic-gate */ 86177c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86187c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86197c478bd9Sstevel@tonic-gate return (ENOMEM); 86207c478bd9Sstevel@tonic-gate } 86217c478bd9Sstevel@tonic-gate 86227c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 86237c478bd9Sstevel@tonic-gate error = as_pagelock(((proc_t *)p->procp)->p_as, &(p->pparray), 86247c478bd9Sstevel@tonic-gate addr, len, p->s_flags); 86257c478bd9Sstevel@tonic-gate if (error != 0) { 86267c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 86277c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 86287c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 86297c478bd9Sstevel@tonic-gate return (error); 86307c478bd9Sstevel@tonic-gate } 86317c478bd9Sstevel@tonic-gate 86327c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 86337c478bd9Sstevel@tonic-gate p->cvaddr = addr; 86347c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 86357c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 86367c478bd9Sstevel@tonic-gate 86377c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 86387c478bd9Sstevel@tonic-gate return (error); 86397c478bd9Sstevel@tonic-gate } 86407c478bd9Sstevel@tonic-gate 86417c478bd9Sstevel@tonic-gate /* 86427c478bd9Sstevel@tonic-gate * Add the cookie to the ddi_umem_unlock list. Pages will be 86437c478bd9Sstevel@tonic-gate * unlocked by i_ddi_umem_unlock_thread. 86447c478bd9Sstevel@tonic-gate */ 86457c478bd9Sstevel@tonic-gate 86467c478bd9Sstevel@tonic-gate void 86477c478bd9Sstevel@tonic-gate ddi_umem_unlock(ddi_umem_cookie_t cookie) 86487c478bd9Sstevel@tonic-gate { 86497c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 86507c478bd9Sstevel@tonic-gate 86517c478bd9Sstevel@tonic-gate ASSERT(p->type == UMEM_LOCKED); 86527c478bd9Sstevel@tonic-gate ASSERT(CPU_ON_INTR(CPU) == 0); /* cannot be high level */ 86537c478bd9Sstevel@tonic-gate ASSERT(ddi_umem_unlock_thread != NULL); 86547c478bd9Sstevel@tonic-gate 86557c478bd9Sstevel@tonic-gate p->unl_forw = (struct ddi_umem_cookie *)NULL; /* end of list */ 86569bbaf432Seota /* 86579bbaf432Seota * Queue the unlock request and notify i_ddi_umem_unlock thread 86589bbaf432Seota * if it's called in the interrupt context. Otherwise, unlock pages 86599bbaf432Seota * immediately. 86609bbaf432Seota */ 86619bbaf432Seota if (servicing_interrupt()) { 86629bbaf432Seota /* queue the unlock request and notify the thread */ 86639bbaf432Seota mutex_enter(&ddi_umem_unlock_mutex); 86649bbaf432Seota if (ddi_umem_unlock_head == NULL) { 86659bbaf432Seota ddi_umem_unlock_head = ddi_umem_unlock_tail = p; 86669bbaf432Seota cv_broadcast(&ddi_umem_unlock_cv); 86679bbaf432Seota } else { 86689bbaf432Seota ddi_umem_unlock_tail->unl_forw = p; 86699bbaf432Seota ddi_umem_unlock_tail = p; 86709bbaf432Seota } 86719bbaf432Seota mutex_exit(&ddi_umem_unlock_mutex); 86727c478bd9Sstevel@tonic-gate } else { 86739bbaf432Seota /* unlock the pages right away */ 86749bbaf432Seota (void) i_ddi_umem_unlock(p); 86757c478bd9Sstevel@tonic-gate } 86767c478bd9Sstevel@tonic-gate } 86777c478bd9Sstevel@tonic-gate 86787c478bd9Sstevel@tonic-gate /* 86797c478bd9Sstevel@tonic-gate * Create a buf structure from a ddi_umem_cookie 86807c478bd9Sstevel@tonic-gate * cookie - is a ddi_umem_cookie for from ddi_umem_lock and ddi_umem_alloc 86817c478bd9Sstevel@tonic-gate * (only UMEM_LOCKED & KMEM_NON_PAGEABLE types supported) 86827c478bd9Sstevel@tonic-gate * off, len - identifies the portion of the memory represented by the cookie 86837c478bd9Sstevel@tonic-gate * that the buf points to. 86847c478bd9Sstevel@tonic-gate * NOTE: off, len need to follow the alignment/size restrictions of the 86857c478bd9Sstevel@tonic-gate * device (dev) that this buf will be passed to. Some devices 86867c478bd9Sstevel@tonic-gate * will accept unrestricted alignment/size, whereas others (such as 86877c478bd9Sstevel@tonic-gate * st) require some block-size alignment/size. It is the caller's 86887c478bd9Sstevel@tonic-gate * responsibility to ensure that the alignment/size restrictions 86897c478bd9Sstevel@tonic-gate * are met (we cannot assert as we do not know the restrictions) 86907c478bd9Sstevel@tonic-gate * 86917c478bd9Sstevel@tonic-gate * direction - is one of B_READ or B_WRITE and needs to be compatible with 86927c478bd9Sstevel@tonic-gate * the flags used in ddi_umem_lock 86937c478bd9Sstevel@tonic-gate * 86947c478bd9Sstevel@tonic-gate * The following three arguments are used to initialize fields in the 86957c478bd9Sstevel@tonic-gate * buf structure and are uninterpreted by this routine. 86967c478bd9Sstevel@tonic-gate * 86977c478bd9Sstevel@tonic-gate * dev 86987c478bd9Sstevel@tonic-gate * blkno 86997c478bd9Sstevel@tonic-gate * iodone 87007c478bd9Sstevel@tonic-gate * 87017c478bd9Sstevel@tonic-gate * sleepflag - is one of DDI_UMEM_SLEEP or DDI_UMEM_NOSLEEP 87027c478bd9Sstevel@tonic-gate * 87037c478bd9Sstevel@tonic-gate * Returns a buf structure pointer on success (to be freed by freerbuf) 87047c478bd9Sstevel@tonic-gate * NULL on any parameter error or memory alloc failure 87057c478bd9Sstevel@tonic-gate * 87067c478bd9Sstevel@tonic-gate */ 87077c478bd9Sstevel@tonic-gate struct buf * 87087c478bd9Sstevel@tonic-gate ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, 87097c478bd9Sstevel@tonic-gate int direction, dev_t dev, daddr_t blkno, 87107c478bd9Sstevel@tonic-gate int (*iodone)(struct buf *), int sleepflag) 87117c478bd9Sstevel@tonic-gate { 87127c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 87137c478bd9Sstevel@tonic-gate struct buf *bp; 87147c478bd9Sstevel@tonic-gate 87157c478bd9Sstevel@tonic-gate /* 87167c478bd9Sstevel@tonic-gate * check for valid cookie offset, len 87177c478bd9Sstevel@tonic-gate */ 87187c478bd9Sstevel@tonic-gate if ((off + len) > p->size) { 87197c478bd9Sstevel@tonic-gate return (NULL); 87207c478bd9Sstevel@tonic-gate } 87217c478bd9Sstevel@tonic-gate 87227c478bd9Sstevel@tonic-gate if (len > p->size) { 87237c478bd9Sstevel@tonic-gate return (NULL); 87247c478bd9Sstevel@tonic-gate } 87257c478bd9Sstevel@tonic-gate 87267c478bd9Sstevel@tonic-gate /* direction has to be one of B_READ or B_WRITE */ 87277c478bd9Sstevel@tonic-gate if ((direction != B_READ) && (direction != B_WRITE)) { 87287c478bd9Sstevel@tonic-gate return (NULL); 87297c478bd9Sstevel@tonic-gate } 87307c478bd9Sstevel@tonic-gate 87317c478bd9Sstevel@tonic-gate /* These are the only two valid sleepflags */ 87327c478bd9Sstevel@tonic-gate if ((sleepflag != DDI_UMEM_SLEEP) && (sleepflag != DDI_UMEM_NOSLEEP)) { 87337c478bd9Sstevel@tonic-gate return (NULL); 87347c478bd9Sstevel@tonic-gate } 87357c478bd9Sstevel@tonic-gate 87367c478bd9Sstevel@tonic-gate /* 87377c478bd9Sstevel@tonic-gate * Only cookies of type UMEM_LOCKED and KMEM_NON_PAGEABLE are supported 87387c478bd9Sstevel@tonic-gate */ 87397c478bd9Sstevel@tonic-gate if ((p->type != UMEM_LOCKED) && (p->type != KMEM_NON_PAGEABLE)) { 87407c478bd9Sstevel@tonic-gate return (NULL); 87417c478bd9Sstevel@tonic-gate } 87427c478bd9Sstevel@tonic-gate 87437c478bd9Sstevel@tonic-gate /* If type is KMEM_NON_PAGEABLE procp is NULL */ 87447c478bd9Sstevel@tonic-gate ASSERT((p->type == KMEM_NON_PAGEABLE) ? 8745184cd04cScth (p->procp == NULL) : (p->procp != NULL)); 87467c478bd9Sstevel@tonic-gate 87477c478bd9Sstevel@tonic-gate bp = kmem_alloc(sizeof (struct buf), sleepflag); 87487c478bd9Sstevel@tonic-gate if (bp == NULL) { 87497c478bd9Sstevel@tonic-gate return (NULL); 87507c478bd9Sstevel@tonic-gate } 87517c478bd9Sstevel@tonic-gate bioinit(bp); 87527c478bd9Sstevel@tonic-gate 87537c478bd9Sstevel@tonic-gate bp->b_flags = B_BUSY | B_PHYS | direction; 87547c478bd9Sstevel@tonic-gate bp->b_edev = dev; 87557c478bd9Sstevel@tonic-gate bp->b_lblkno = blkno; 87567c478bd9Sstevel@tonic-gate bp->b_iodone = iodone; 87577c478bd9Sstevel@tonic-gate bp->b_bcount = len; 87587c478bd9Sstevel@tonic-gate bp->b_proc = (proc_t *)p->procp; 87597c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 87607c478bd9Sstevel@tonic-gate bp->b_un.b_addr = (caddr_t)((uintptr_t)(p->cvaddr) + off); 87617c478bd9Sstevel@tonic-gate if (p->pparray != NULL) { 87627c478bd9Sstevel@tonic-gate bp->b_flags |= B_SHADOW; 87637c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 87647c478bd9Sstevel@tonic-gate bp->b_shadow = p->pparray + btop(off); 87657c478bd9Sstevel@tonic-gate } 87667c478bd9Sstevel@tonic-gate return (bp); 87677c478bd9Sstevel@tonic-gate } 87687c478bd9Sstevel@tonic-gate 87697c478bd9Sstevel@tonic-gate /* 87707c478bd9Sstevel@tonic-gate * Fault-handling and related routines 87717c478bd9Sstevel@tonic-gate */ 87727c478bd9Sstevel@tonic-gate 87737c478bd9Sstevel@tonic-gate ddi_devstate_t 87747c478bd9Sstevel@tonic-gate ddi_get_devstate(dev_info_t *dip) 87757c478bd9Sstevel@tonic-gate { 87767c478bd9Sstevel@tonic-gate if (DEVI_IS_DEVICE_OFFLINE(dip)) 87777c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_OFFLINE); 87787c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DOWN(dip) || DEVI_IS_BUS_DOWN(dip)) 87797c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DOWN); 87807c478bd9Sstevel@tonic-gate else if (DEVI_IS_BUS_QUIESCED(dip)) 87817c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_QUIESCED); 87827c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DEGRADED(dip)) 87837c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DEGRADED); 87847c478bd9Sstevel@tonic-gate else 87857c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_UP); 87867c478bd9Sstevel@tonic-gate } 87877c478bd9Sstevel@tonic-gate 87887c478bd9Sstevel@tonic-gate void 87897c478bd9Sstevel@tonic-gate ddi_dev_report_fault(dev_info_t *dip, ddi_fault_impact_t impact, 87907c478bd9Sstevel@tonic-gate ddi_fault_location_t location, const char *message) 87917c478bd9Sstevel@tonic-gate { 87927c478bd9Sstevel@tonic-gate struct ddi_fault_event_data fd; 87937c478bd9Sstevel@tonic-gate ddi_eventcookie_t ec; 87947c478bd9Sstevel@tonic-gate 87957c478bd9Sstevel@tonic-gate /* 87967c478bd9Sstevel@tonic-gate * Assemble all the information into a fault-event-data structure 87977c478bd9Sstevel@tonic-gate */ 87987c478bd9Sstevel@tonic-gate fd.f_dip = dip; 87997c478bd9Sstevel@tonic-gate fd.f_impact = impact; 88007c478bd9Sstevel@tonic-gate fd.f_location = location; 88017c478bd9Sstevel@tonic-gate fd.f_message = message; 88027c478bd9Sstevel@tonic-gate fd.f_oldstate = ddi_get_devstate(dip); 88037c478bd9Sstevel@tonic-gate 88047c478bd9Sstevel@tonic-gate /* 88057c478bd9Sstevel@tonic-gate * Get eventcookie from defining parent. 88067c478bd9Sstevel@tonic-gate */ 88077c478bd9Sstevel@tonic-gate if (ddi_get_eventcookie(dip, DDI_DEVI_FAULT_EVENT, &ec) != 88087c478bd9Sstevel@tonic-gate DDI_SUCCESS) 88097c478bd9Sstevel@tonic-gate return; 88107c478bd9Sstevel@tonic-gate 88117c478bd9Sstevel@tonic-gate (void) ndi_post_event(dip, dip, ec, &fd); 88127c478bd9Sstevel@tonic-gate } 88137c478bd9Sstevel@tonic-gate 88147c478bd9Sstevel@tonic-gate char * 88157c478bd9Sstevel@tonic-gate i_ddi_devi_class(dev_info_t *dip) 88167c478bd9Sstevel@tonic-gate { 88177c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_device_class); 88187c478bd9Sstevel@tonic-gate } 88197c478bd9Sstevel@tonic-gate 88207c478bd9Sstevel@tonic-gate int 88217c478bd9Sstevel@tonic-gate i_ddi_set_devi_class(dev_info_t *dip, char *devi_class, int flag) 88227c478bd9Sstevel@tonic-gate { 88237c478bd9Sstevel@tonic-gate struct dev_info *devi = DEVI(dip); 88247c478bd9Sstevel@tonic-gate 88257c478bd9Sstevel@tonic-gate mutex_enter(&devi->devi_lock); 88267c478bd9Sstevel@tonic-gate 88277c478bd9Sstevel@tonic-gate if (devi->devi_device_class) 88287c478bd9Sstevel@tonic-gate kmem_free(devi->devi_device_class, 88297c478bd9Sstevel@tonic-gate strlen(devi->devi_device_class) + 1); 88307c478bd9Sstevel@tonic-gate 88317c478bd9Sstevel@tonic-gate if ((devi->devi_device_class = i_ddi_strdup(devi_class, flag)) 88327c478bd9Sstevel@tonic-gate != NULL) { 88337c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 88347c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 88357c478bd9Sstevel@tonic-gate } 88367c478bd9Sstevel@tonic-gate 88377c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 88387c478bd9Sstevel@tonic-gate 88397c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 88407c478bd9Sstevel@tonic-gate } 88417c478bd9Sstevel@tonic-gate 88427c478bd9Sstevel@tonic-gate 88437c478bd9Sstevel@tonic-gate /* 88447c478bd9Sstevel@tonic-gate * Task Queues DDI interfaces. 88457c478bd9Sstevel@tonic-gate */ 88467c478bd9Sstevel@tonic-gate 88477c478bd9Sstevel@tonic-gate /* ARGSUSED */ 88487c478bd9Sstevel@tonic-gate ddi_taskq_t * 88497c478bd9Sstevel@tonic-gate ddi_taskq_create(dev_info_t *dip, const char *name, int nthreads, 88507c478bd9Sstevel@tonic-gate pri_t pri, uint_t cflags) 88517c478bd9Sstevel@tonic-gate { 88527c478bd9Sstevel@tonic-gate char full_name[TASKQ_NAMELEN]; 88537c478bd9Sstevel@tonic-gate const char *tq_name; 88547c478bd9Sstevel@tonic-gate int nodeid = 0; 88557c478bd9Sstevel@tonic-gate 88567c478bd9Sstevel@tonic-gate if (dip == NULL) 88577c478bd9Sstevel@tonic-gate tq_name = name; 88587c478bd9Sstevel@tonic-gate else { 88597c478bd9Sstevel@tonic-gate nodeid = ddi_get_instance(dip); 88607c478bd9Sstevel@tonic-gate 88617c478bd9Sstevel@tonic-gate if (name == NULL) 88627c478bd9Sstevel@tonic-gate name = "tq"; 88637c478bd9Sstevel@tonic-gate 88647c478bd9Sstevel@tonic-gate (void) snprintf(full_name, sizeof (full_name), "%s_%s", 88657c478bd9Sstevel@tonic-gate ddi_driver_name(dip), name); 88667c478bd9Sstevel@tonic-gate 88677c478bd9Sstevel@tonic-gate tq_name = full_name; 88687c478bd9Sstevel@tonic-gate } 88697c478bd9Sstevel@tonic-gate 88707c478bd9Sstevel@tonic-gate return ((ddi_taskq_t *)taskq_create_instance(tq_name, nodeid, nthreads, 8871184cd04cScth pri == TASKQ_DEFAULTPRI ? minclsyspri : pri, 8872184cd04cScth nthreads, INT_MAX, TASKQ_PREPOPULATE)); 88737c478bd9Sstevel@tonic-gate } 88747c478bd9Sstevel@tonic-gate 88757c478bd9Sstevel@tonic-gate void 88767c478bd9Sstevel@tonic-gate ddi_taskq_destroy(ddi_taskq_t *tq) 88777c478bd9Sstevel@tonic-gate { 88787c478bd9Sstevel@tonic-gate taskq_destroy((taskq_t *)tq); 88797c478bd9Sstevel@tonic-gate } 88807c478bd9Sstevel@tonic-gate 88817c478bd9Sstevel@tonic-gate int 88827c478bd9Sstevel@tonic-gate ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 88837c478bd9Sstevel@tonic-gate void *arg, uint_t dflags) 88847c478bd9Sstevel@tonic-gate { 88857c478bd9Sstevel@tonic-gate taskqid_t id = taskq_dispatch((taskq_t *)tq, func, arg, 88867c478bd9Sstevel@tonic-gate dflags == DDI_SLEEP ? TQ_SLEEP : TQ_NOSLEEP); 88877c478bd9Sstevel@tonic-gate 88887c478bd9Sstevel@tonic-gate return (id != 0 ? DDI_SUCCESS : DDI_FAILURE); 88897c478bd9Sstevel@tonic-gate } 88907c478bd9Sstevel@tonic-gate 88917c478bd9Sstevel@tonic-gate void 88927c478bd9Sstevel@tonic-gate ddi_taskq_wait(ddi_taskq_t *tq) 88937c478bd9Sstevel@tonic-gate { 88947c478bd9Sstevel@tonic-gate taskq_wait((taskq_t *)tq); 88957c478bd9Sstevel@tonic-gate } 88967c478bd9Sstevel@tonic-gate 88977c478bd9Sstevel@tonic-gate void 88987c478bd9Sstevel@tonic-gate ddi_taskq_suspend(ddi_taskq_t *tq) 88997c478bd9Sstevel@tonic-gate { 89007c478bd9Sstevel@tonic-gate taskq_suspend((taskq_t *)tq); 89017c478bd9Sstevel@tonic-gate } 89027c478bd9Sstevel@tonic-gate 89037c478bd9Sstevel@tonic-gate boolean_t 89047c478bd9Sstevel@tonic-gate ddi_taskq_suspended(ddi_taskq_t *tq) 89057c478bd9Sstevel@tonic-gate { 89067c478bd9Sstevel@tonic-gate return (taskq_suspended((taskq_t *)tq)); 89077c478bd9Sstevel@tonic-gate } 89087c478bd9Sstevel@tonic-gate 89097c478bd9Sstevel@tonic-gate void 89107c478bd9Sstevel@tonic-gate ddi_taskq_resume(ddi_taskq_t *tq) 89117c478bd9Sstevel@tonic-gate { 89127c478bd9Sstevel@tonic-gate taskq_resume((taskq_t *)tq); 89137c478bd9Sstevel@tonic-gate } 89147c478bd9Sstevel@tonic-gate 89157c478bd9Sstevel@tonic-gate int 89167c478bd9Sstevel@tonic-gate ddi_parse( 89177c478bd9Sstevel@tonic-gate const char *ifname, 89187c478bd9Sstevel@tonic-gate char *alnum, 89197c478bd9Sstevel@tonic-gate uint_t *nump) 89207c478bd9Sstevel@tonic-gate { 89217c478bd9Sstevel@tonic-gate const char *p; 89227c478bd9Sstevel@tonic-gate int l; 89237c478bd9Sstevel@tonic-gate ulong_t num; 89247c478bd9Sstevel@tonic-gate boolean_t nonum = B_TRUE; 89257c478bd9Sstevel@tonic-gate char c; 89267c478bd9Sstevel@tonic-gate 89277c478bd9Sstevel@tonic-gate l = strlen(ifname); 89287c478bd9Sstevel@tonic-gate for (p = ifname + l; p != ifname; l--) { 89297c478bd9Sstevel@tonic-gate c = *--p; 89307c478bd9Sstevel@tonic-gate if (!isdigit(c)) { 89317c478bd9Sstevel@tonic-gate (void) strlcpy(alnum, ifname, l + 1); 89327c478bd9Sstevel@tonic-gate if (ddi_strtoul(p + 1, NULL, 10, &num) != 0) 89337c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 89347c478bd9Sstevel@tonic-gate break; 89357c478bd9Sstevel@tonic-gate } 89367c478bd9Sstevel@tonic-gate nonum = B_FALSE; 89377c478bd9Sstevel@tonic-gate } 89387c478bd9Sstevel@tonic-gate if (l == 0 || nonum) 89397c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 89407c478bd9Sstevel@tonic-gate 89417c478bd9Sstevel@tonic-gate *nump = num; 89427c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 89437c478bd9Sstevel@tonic-gate } 894419397407SSherry Moore 894519397407SSherry Moore /* 894619397407SSherry Moore * Default initialization function for drivers that don't need to quiesce. 894719397407SSherry Moore */ 894819397407SSherry Moore /* ARGSUSED */ 894919397407SSherry Moore int 895019397407SSherry Moore ddi_quiesce_not_needed(dev_info_t *dip) 895119397407SSherry Moore { 895219397407SSherry Moore return (DDI_SUCCESS); 895319397407SSherry Moore } 895419397407SSherry Moore 895519397407SSherry Moore /* 895619397407SSherry Moore * Initialization function for drivers that should implement quiesce() 895719397407SSherry Moore * but haven't yet. 895819397407SSherry Moore */ 895919397407SSherry Moore /* ARGSUSED */ 896019397407SSherry Moore int 896119397407SSherry Moore ddi_quiesce_not_supported(dev_info_t *dip) 896219397407SSherry Moore { 896319397407SSherry Moore return (DDI_FAILURE); 896419397407SSherry Moore } 89655febcb4aSScott Carter, SD IOSW 89665febcb4aSScott Carter, SD IOSW /* 89675febcb4aSScott Carter, SD IOSW * Generic DDI callback interfaces. 89685febcb4aSScott Carter, SD IOSW */ 89695febcb4aSScott Carter, SD IOSW 89705febcb4aSScott Carter, SD IOSW int 89715febcb4aSScott Carter, SD IOSW ddi_cb_register(dev_info_t *dip, ddi_cb_flags_t flags, ddi_cb_func_t cbfunc, 89725febcb4aSScott Carter, SD IOSW void *arg1, void *arg2, ddi_cb_handle_t *ret_hdlp) 89735febcb4aSScott Carter, SD IOSW { 89745febcb4aSScott Carter, SD IOSW ddi_cb_t *cbp; 89755febcb4aSScott Carter, SD IOSW 89765febcb4aSScott Carter, SD IOSW ASSERT(dip != NULL); 89775febcb4aSScott Carter, SD IOSW ASSERT(DDI_CB_FLAG_VALID(flags)); 89785febcb4aSScott Carter, SD IOSW ASSERT(cbfunc != NULL); 89795febcb4aSScott Carter, SD IOSW ASSERT(ret_hdlp != NULL); 89805febcb4aSScott Carter, SD IOSW 89815febcb4aSScott Carter, SD IOSW /* Sanity check the context */ 89825febcb4aSScott Carter, SD IOSW ASSERT(!servicing_interrupt()); 89835febcb4aSScott Carter, SD IOSW if (servicing_interrupt()) 89845febcb4aSScott Carter, SD IOSW return (DDI_FAILURE); 89855febcb4aSScott Carter, SD IOSW 89865febcb4aSScott Carter, SD IOSW /* Validate parameters */ 89875febcb4aSScott Carter, SD IOSW if ((dip == NULL) || !DDI_CB_FLAG_VALID(flags) || 89885febcb4aSScott Carter, SD IOSW (cbfunc == NULL) || (ret_hdlp == NULL)) 89895febcb4aSScott Carter, SD IOSW return (DDI_EINVAL); 89905febcb4aSScott Carter, SD IOSW 89915febcb4aSScott Carter, SD IOSW /* Check for previous registration */ 89925febcb4aSScott Carter, SD IOSW if (DEVI(dip)->devi_cb_p != NULL) 89935febcb4aSScott Carter, SD IOSW return (DDI_EALREADY); 89945febcb4aSScott Carter, SD IOSW 89955febcb4aSScott Carter, SD IOSW /* Allocate and initialize callback */ 89965febcb4aSScott Carter, SD IOSW cbp = kmem_zalloc(sizeof (ddi_cb_t), KM_SLEEP); 89975febcb4aSScott Carter, SD IOSW cbp->cb_dip = dip; 89985febcb4aSScott Carter, SD IOSW cbp->cb_func = cbfunc; 89995febcb4aSScott Carter, SD IOSW cbp->cb_arg1 = arg1; 90005febcb4aSScott Carter, SD IOSW cbp->cb_arg2 = arg2; 90015febcb4aSScott Carter, SD IOSW cbp->cb_flags = flags; 90025febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_cb_p = cbp; 90035febcb4aSScott Carter, SD IOSW 90045febcb4aSScott Carter, SD IOSW /* If adding an IRM callback, notify IRM */ 90055febcb4aSScott Carter, SD IOSW if (flags & DDI_CB_FLAG_INTR) 90065febcb4aSScott Carter, SD IOSW i_ddi_irm_set_cb(dip, B_TRUE); 90075febcb4aSScott Carter, SD IOSW 90085febcb4aSScott Carter, SD IOSW *ret_hdlp = (ddi_cb_handle_t)&(DEVI(dip)->devi_cb_p); 90095febcb4aSScott Carter, SD IOSW return (DDI_SUCCESS); 90105febcb4aSScott Carter, SD IOSW } 90115febcb4aSScott Carter, SD IOSW 90125febcb4aSScott Carter, SD IOSW int 90135febcb4aSScott Carter, SD IOSW ddi_cb_unregister(ddi_cb_handle_t hdl) 90145febcb4aSScott Carter, SD IOSW { 90155febcb4aSScott Carter, SD IOSW ddi_cb_t *cbp; 90165febcb4aSScott Carter, SD IOSW dev_info_t *dip; 90175febcb4aSScott Carter, SD IOSW 90185febcb4aSScott Carter, SD IOSW ASSERT(hdl != NULL); 90195febcb4aSScott Carter, SD IOSW 90205febcb4aSScott Carter, SD IOSW /* Sanity check the context */ 90215febcb4aSScott Carter, SD IOSW ASSERT(!servicing_interrupt()); 90225febcb4aSScott Carter, SD IOSW if (servicing_interrupt()) 90235febcb4aSScott Carter, SD IOSW return (DDI_FAILURE); 90245febcb4aSScott Carter, SD IOSW 90255febcb4aSScott Carter, SD IOSW /* Validate parameters */ 90265febcb4aSScott Carter, SD IOSW if ((hdl == NULL) || ((cbp = *(ddi_cb_t **)hdl) == NULL) || 90275febcb4aSScott Carter, SD IOSW ((dip = cbp->cb_dip) == NULL)) 90285febcb4aSScott Carter, SD IOSW return (DDI_EINVAL); 90295febcb4aSScott Carter, SD IOSW 90305febcb4aSScott Carter, SD IOSW /* If removing an IRM callback, notify IRM */ 90315febcb4aSScott Carter, SD IOSW if (cbp->cb_flags & DDI_CB_FLAG_INTR) 90325febcb4aSScott Carter, SD IOSW i_ddi_irm_set_cb(dip, B_FALSE); 90335febcb4aSScott Carter, SD IOSW 90345febcb4aSScott Carter, SD IOSW /* Destroy the callback */ 90355febcb4aSScott Carter, SD IOSW kmem_free(cbp, sizeof (ddi_cb_t)); 90365febcb4aSScott Carter, SD IOSW DEVI(dip)->devi_cb_p = NULL; 90375febcb4aSScott Carter, SD IOSW 90385febcb4aSScott Carter, SD IOSW return (DDI_SUCCESS); 90395febcb4aSScott Carter, SD IOSW } 9040