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 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/note.h> 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate #include <sys/param.h> 327c478bd9Sstevel@tonic-gate #include <sys/systm.h> 337c478bd9Sstevel@tonic-gate #include <sys/buf.h> 347c478bd9Sstevel@tonic-gate #include <sys/uio.h> 357c478bd9Sstevel@tonic-gate #include <sys/cred.h> 367c478bd9Sstevel@tonic-gate #include <sys/poll.h> 377c478bd9Sstevel@tonic-gate #include <sys/mman.h> 387c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 397c478bd9Sstevel@tonic-gate #include <sys/model.h> 407c478bd9Sstevel@tonic-gate #include <sys/file.h> 417c478bd9Sstevel@tonic-gate #include <sys/proc.h> 427c478bd9Sstevel@tonic-gate #include <sys/open.h> 437c478bd9Sstevel@tonic-gate #include <sys/user.h> 447c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 457c478bd9Sstevel@tonic-gate #include <sys/vm.h> 467c478bd9Sstevel@tonic-gate #include <sys/stat.h> 477c478bd9Sstevel@tonic-gate #include <vm/hat.h> 487c478bd9Sstevel@tonic-gate #include <vm/seg.h> 497c478bd9Sstevel@tonic-gate #include <vm/seg_vn.h> 507c478bd9Sstevel@tonic-gate #include <vm/seg_dev.h> 517c478bd9Sstevel@tonic-gate #include <vm/as.h> 527c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 537c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 547c478bd9Sstevel@tonic-gate #include <sys/debug.h> 557c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 567c478bd9Sstevel@tonic-gate #include <sys/sunddi.h> 577c478bd9Sstevel@tonic-gate #include <sys/esunddi.h> 587c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 597c478bd9Sstevel@tonic-gate #include <sys/kstat.h> 607c478bd9Sstevel@tonic-gate #include <sys/conf.h> 617c478bd9Sstevel@tonic-gate #include <sys/ddi_impldefs.h> /* include implementation structure defs */ 627c478bd9Sstevel@tonic-gate #include <sys/ndi_impldefs.h> /* include prototypes */ 637c478bd9Sstevel@tonic-gate #include <sys/hwconf.h> 647c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 657c478bd9Sstevel@tonic-gate #include <sys/modctl.h> 667c478bd9Sstevel@tonic-gate #include <sys/epm.h> 677c478bd9Sstevel@tonic-gate #include <sys/devctl.h> 687c478bd9Sstevel@tonic-gate #include <sys/callb.h> 697c478bd9Sstevel@tonic-gate #include <sys/cladm.h> 707c478bd9Sstevel@tonic-gate #include <sys/sysevent.h> 717c478bd9Sstevel@tonic-gate #include <sys/dacf_impl.h> 727c478bd9Sstevel@tonic-gate #include <sys/ddidevmap.h> 737c478bd9Sstevel@tonic-gate #include <sys/bootconf.h> 747c478bd9Sstevel@tonic-gate #include <sys/disp.h> 757c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 767c478bd9Sstevel@tonic-gate #include <sys/promif.h> 777c478bd9Sstevel@tonic-gate #include <sys/instance.h> 787c478bd9Sstevel@tonic-gate #include <sys/sysevent/eventdefs.h> 797c478bd9Sstevel@tonic-gate #include <sys/task.h> 807c478bd9Sstevel@tonic-gate #include <sys/project.h> 817c478bd9Sstevel@tonic-gate #include <sys/taskq.h> 827c478bd9Sstevel@tonic-gate #include <sys/devpolicy.h> 837c478bd9Sstevel@tonic-gate #include <sys/ctype.h> 847c478bd9Sstevel@tonic-gate #include <net/if.h> 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate extern pri_t minclsyspri; 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate extern rctl_hndl_t rc_project_devlockmem; 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate #ifdef DEBUG 917c478bd9Sstevel@tonic-gate static int sunddi_debug = 0; 927c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* ddi_umem_unlock miscellaneous */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate static void i_ddi_umem_unlock_thread_start(void); 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate static kmutex_t ddi_umem_unlock_mutex; /* unlock list mutex */ 997c478bd9Sstevel@tonic-gate static kcondvar_t ddi_umem_unlock_cv; /* unlock list block/unblock */ 1007c478bd9Sstevel@tonic-gate static kthread_t *ddi_umem_unlock_thread; 1017c478bd9Sstevel@tonic-gate /* 1027c478bd9Sstevel@tonic-gate * The ddi_umem_unlock FIFO list. NULL head pointer indicates empty list. 1037c478bd9Sstevel@tonic-gate */ 1047c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_head = NULL; 1057c478bd9Sstevel@tonic-gate static struct ddi_umem_cookie *ddi_umem_unlock_tail = NULL; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /* 1087c478bd9Sstevel@tonic-gate * This lock protects the project.max-device-locked-memory counter. 1097c478bd9Sstevel@tonic-gate * When both p_lock (proc_t) and this lock need to acquired, p_lock 1107c478bd9Sstevel@tonic-gate * should be acquired first. 1117c478bd9Sstevel@tonic-gate */ 1127c478bd9Sstevel@tonic-gate static kmutex_t umem_devlockmem_rctl_lock; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /* 1167c478bd9Sstevel@tonic-gate * DDI(Sun) Function and flag definitions: 1177c478bd9Sstevel@tonic-gate */ 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate #if defined(__x86) 1207c478bd9Sstevel@tonic-gate /* 1217c478bd9Sstevel@tonic-gate * Used to indicate which entries were chosen from a range. 1227c478bd9Sstevel@tonic-gate */ 1237c478bd9Sstevel@tonic-gate char *chosen_reg = "chosen-reg"; 1247c478bd9Sstevel@tonic-gate #endif 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* 1277c478bd9Sstevel@tonic-gate * Function used to ring system console bell 1287c478bd9Sstevel@tonic-gate */ 1297c478bd9Sstevel@tonic-gate void (*ddi_console_bell_func)(clock_t duration); 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate /* 1327c478bd9Sstevel@tonic-gate * Creating register mappings and handling interrupts: 1337c478bd9Sstevel@tonic-gate */ 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate /* 1367c478bd9Sstevel@tonic-gate * Generic ddi_map: Call parent to fulfill request... 1377c478bd9Sstevel@tonic-gate */ 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate int 1407c478bd9Sstevel@tonic-gate ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, 1417c478bd9Sstevel@tonic-gate off_t len, caddr_t *addrp) 1427c478bd9Sstevel@tonic-gate { 1437c478bd9Sstevel@tonic-gate dev_info_t *pdip; 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate ASSERT(dp); 1467c478bd9Sstevel@tonic-gate pdip = (dev_info_t *)DEVI(dp)->devi_parent; 1477c478bd9Sstevel@tonic-gate return ((DEVI(pdip)->devi_ops->devo_bus_ops->bus_map)(pdip, 1487c478bd9Sstevel@tonic-gate dp, mp, offset, len, addrp)); 1497c478bd9Sstevel@tonic-gate } 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate /* 1527c478bd9Sstevel@tonic-gate * ddi_apply_range: (Called by nexi only.) 1537c478bd9Sstevel@tonic-gate * Apply ranges in parent node dp, to child regspec rp... 1547c478bd9Sstevel@tonic-gate */ 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate int 1577c478bd9Sstevel@tonic-gate ddi_apply_range(dev_info_t *dp, dev_info_t *rdip, struct regspec *rp) 1587c478bd9Sstevel@tonic-gate { 1597c478bd9Sstevel@tonic-gate return (i_ddi_apply_range(dp, rdip, rp)); 1607c478bd9Sstevel@tonic-gate } 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate int 1637c478bd9Sstevel@tonic-gate ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, off_t offset, 1647c478bd9Sstevel@tonic-gate off_t len) 1657c478bd9Sstevel@tonic-gate { 1667c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 1677c478bd9Sstevel@tonic-gate #if defined(__x86) 1687c478bd9Sstevel@tonic-gate struct { 1697c478bd9Sstevel@tonic-gate int bus; 1707c478bd9Sstevel@tonic-gate int addr; 1717c478bd9Sstevel@tonic-gate int size; 1727c478bd9Sstevel@tonic-gate } reg, *reglist; 1737c478bd9Sstevel@tonic-gate uint_t length; 1747c478bd9Sstevel@tonic-gate int rc; 1757c478bd9Sstevel@tonic-gate 1767c478bd9Sstevel@tonic-gate /* 1777c478bd9Sstevel@tonic-gate * get the 'registers' or the 'reg' property. 1787c478bd9Sstevel@tonic-gate * We look up the reg property as an array of 1797c478bd9Sstevel@tonic-gate * int's. 1807c478bd9Sstevel@tonic-gate */ 1817c478bd9Sstevel@tonic-gate rc = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 1827c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS, "registers", (int **)®list, &length); 1837c478bd9Sstevel@tonic-gate if (rc != DDI_PROP_SUCCESS) 1847c478bd9Sstevel@tonic-gate rc = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, 1857c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS, "reg", (int **)®list, &length); 1867c478bd9Sstevel@tonic-gate if (rc == DDI_PROP_SUCCESS) { 1877c478bd9Sstevel@tonic-gate /* 1887c478bd9Sstevel@tonic-gate * point to the required entry. 1897c478bd9Sstevel@tonic-gate */ 1907c478bd9Sstevel@tonic-gate reg = reglist[rnumber]; 1917c478bd9Sstevel@tonic-gate reg.addr += offset; 1927c478bd9Sstevel@tonic-gate if (len != 0) 1937c478bd9Sstevel@tonic-gate reg.size = len; 1947c478bd9Sstevel@tonic-gate /* 1957c478bd9Sstevel@tonic-gate * make a new property containing ONLY the required tuple. 1967c478bd9Sstevel@tonic-gate */ 1977c478bd9Sstevel@tonic-gate if (ddi_prop_update_int_array(DDI_DEV_T_NONE, dip, 1987c478bd9Sstevel@tonic-gate chosen_reg, (int *)®, (sizeof (reg)/sizeof (int))) 1997c478bd9Sstevel@tonic-gate != DDI_PROP_SUCCESS) { 2007c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: cannot create '%s' " 2017c478bd9Sstevel@tonic-gate "property", DEVI(dip)->devi_name, 2027c478bd9Sstevel@tonic-gate DEVI(dip)->devi_instance, chosen_reg); 2037c478bd9Sstevel@tonic-gate } 2047c478bd9Sstevel@tonic-gate /* 2057c478bd9Sstevel@tonic-gate * free the memory allocated by 2067c478bd9Sstevel@tonic-gate * ddi_prop_lookup_int_array (). 2077c478bd9Sstevel@tonic-gate */ 2087c478bd9Sstevel@tonic-gate ddi_prop_free((void *)reglist); 2097c478bd9Sstevel@tonic-gate } 2107c478bd9Sstevel@tonic-gate #endif 2117c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_LOCKED; 2127c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 2137c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 2147c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 2157c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 2167c478bd9Sstevel@tonic-gate mr.map_handlep = NULL; 2177c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate /* 2207c478bd9Sstevel@tonic-gate * Call my parent to map in my regs. 2217c478bd9Sstevel@tonic-gate */ 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate return (ddi_map(dip, &mr, offset, len, kaddrp)); 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate void 2277c478bd9Sstevel@tonic-gate ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, off_t offset, 2287c478bd9Sstevel@tonic-gate off_t len) 2297c478bd9Sstevel@tonic-gate { 2307c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 2317c478bd9Sstevel@tonic-gate 2327c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_UNMAP; 2337c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 2347c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 2357c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; /* who cares? */ 2367c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 2377c478bd9Sstevel@tonic-gate mr.map_handlep = NULL; 2387c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate /* 2417c478bd9Sstevel@tonic-gate * Call my parent to unmap my regs. 2427c478bd9Sstevel@tonic-gate */ 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate (void) ddi_map(dip, &mr, offset, len, kaddrp); 2457c478bd9Sstevel@tonic-gate *kaddrp = (caddr_t)0; 2467c478bd9Sstevel@tonic-gate #if defined(__x86) 2477c478bd9Sstevel@tonic-gate (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, chosen_reg); 2487c478bd9Sstevel@tonic-gate #endif 2497c478bd9Sstevel@tonic-gate } 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate int 2527c478bd9Sstevel@tonic-gate ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 2537c478bd9Sstevel@tonic-gate off_t offset, off_t len, caddr_t *vaddrp) 2547c478bd9Sstevel@tonic-gate { 2557c478bd9Sstevel@tonic-gate return (i_ddi_bus_map(dip, rdip, mp, offset, len, vaddrp)); 2567c478bd9Sstevel@tonic-gate } 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate /* 2597c478bd9Sstevel@tonic-gate * nullbusmap: The/DDI default bus_map entry point for nexi 2607c478bd9Sstevel@tonic-gate * not conforming to the reg/range paradigm (i.e. scsi, etc.) 2617c478bd9Sstevel@tonic-gate * with no HAT/MMU layer to be programmed at this level. 2627c478bd9Sstevel@tonic-gate * 2637c478bd9Sstevel@tonic-gate * If the call is to map by rnumber, return an error, 2647c478bd9Sstevel@tonic-gate * otherwise pass anything else up the tree to my parent. 2657c478bd9Sstevel@tonic-gate */ 2667c478bd9Sstevel@tonic-gate int 2677c478bd9Sstevel@tonic-gate nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 2687c478bd9Sstevel@tonic-gate off_t offset, off_t len, caddr_t *vaddrp) 2697c478bd9Sstevel@tonic-gate { 2707c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(rdip)) 2717c478bd9Sstevel@tonic-gate if (mp->map_type == DDI_MT_RNUMBER) 2727c478bd9Sstevel@tonic-gate return (DDI_ME_UNSUPPORTED); 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate return (ddi_map(dip, mp, offset, len, vaddrp)); 2757c478bd9Sstevel@tonic-gate } 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * ddi_rnumber_to_regspec: Not for use by leaf drivers. 2797c478bd9Sstevel@tonic-gate * Only for use by nexi using the reg/range paradigm. 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate struct regspec * 2827c478bd9Sstevel@tonic-gate ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber) 2837c478bd9Sstevel@tonic-gate { 2847c478bd9Sstevel@tonic-gate return (i_ddi_rnumber_to_regspec(dip, rnumber)); 2857c478bd9Sstevel@tonic-gate } 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate /* 2897c478bd9Sstevel@tonic-gate * Note that we allow the dip to be nil because we may be called 2907c478bd9Sstevel@tonic-gate * prior even to the instantiation of the devinfo tree itself - all 2917c478bd9Sstevel@tonic-gate * regular leaf and nexus drivers should always use a non-nil dip! 2927c478bd9Sstevel@tonic-gate * 2937c478bd9Sstevel@tonic-gate * We treat peek in a somewhat cavalier fashion .. assuming that we'll 2947c478bd9Sstevel@tonic-gate * simply get a synchronous fault as soon as we touch a missing address. 2957c478bd9Sstevel@tonic-gate * 2967c478bd9Sstevel@tonic-gate * Poke is rather more carefully handled because we might poke to a write 2977c478bd9Sstevel@tonic-gate * buffer, "succeed", then only find some time later that we got an 2987c478bd9Sstevel@tonic-gate * asynchronous fault that indicated that the address we were writing to 2997c478bd9Sstevel@tonic-gate * was not really backed by hardware. 3007c478bd9Sstevel@tonic-gate */ 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate static int 3037c478bd9Sstevel@tonic-gate i_ddi_peekpoke(dev_info_t *devi, ddi_ctl_enum_t cmd, size_t size, 3047c478bd9Sstevel@tonic-gate void *addr, void *value_p) 3057c478bd9Sstevel@tonic-gate { 3067c478bd9Sstevel@tonic-gate union { 3077c478bd9Sstevel@tonic-gate uint64_t u64; 3087c478bd9Sstevel@tonic-gate uint32_t u32; 3097c478bd9Sstevel@tonic-gate uint16_t u16; 3107c478bd9Sstevel@tonic-gate uint8_t u8; 3117c478bd9Sstevel@tonic-gate } peekpoke_value; 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate peekpoke_ctlops_t peekpoke_args; 3147c478bd9Sstevel@tonic-gate uint64_t dummy_result; 3157c478bd9Sstevel@tonic-gate int rval; 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* Note: size is assumed to be correct; it is not checked. */ 3187c478bd9Sstevel@tonic-gate peekpoke_args.size = size; 319abdbd06dSagiri peekpoke_args.dev_addr = (uintptr_t)addr; 3207c478bd9Sstevel@tonic-gate peekpoke_args.handle = NULL; 3217c478bd9Sstevel@tonic-gate peekpoke_args.repcount = 1; 3227c478bd9Sstevel@tonic-gate peekpoke_args.flags = 0; 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate if (cmd == DDI_CTLOPS_POKE) { 3257c478bd9Sstevel@tonic-gate switch (size) { 3267c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3277c478bd9Sstevel@tonic-gate peekpoke_value.u8 = *(uint8_t *)value_p; 3287c478bd9Sstevel@tonic-gate break; 3297c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3307c478bd9Sstevel@tonic-gate peekpoke_value.u16 = *(uint16_t *)value_p; 3317c478bd9Sstevel@tonic-gate break; 3327c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3337c478bd9Sstevel@tonic-gate peekpoke_value.u32 = *(uint32_t *)value_p; 3347c478bd9Sstevel@tonic-gate break; 3357c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3367c478bd9Sstevel@tonic-gate peekpoke_value.u64 = *(uint64_t *)value_p; 3377c478bd9Sstevel@tonic-gate break; 3387c478bd9Sstevel@tonic-gate } 3397c478bd9Sstevel@tonic-gate } 3407c478bd9Sstevel@tonic-gate 341abdbd06dSagiri peekpoke_args.host_addr = (uintptr_t)&peekpoke_value.u64; 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate if (devi != NULL) 3447c478bd9Sstevel@tonic-gate rval = ddi_ctlops(devi, devi, cmd, &peekpoke_args, 3457c478bd9Sstevel@tonic-gate &dummy_result); 3467c478bd9Sstevel@tonic-gate else 3477c478bd9Sstevel@tonic-gate rval = peekpoke_mem(cmd, &peekpoke_args); 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate /* 3507c478bd9Sstevel@tonic-gate * A NULL value_p is permitted by ddi_peek(9F); discard the result. 3517c478bd9Sstevel@tonic-gate */ 3527c478bd9Sstevel@tonic-gate if ((cmd == DDI_CTLOPS_PEEK) & (value_p != NULL)) { 3537c478bd9Sstevel@tonic-gate switch (size) { 3547c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3557c478bd9Sstevel@tonic-gate *(uint8_t *)value_p = peekpoke_value.u8; 3567c478bd9Sstevel@tonic-gate break; 3577c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3587c478bd9Sstevel@tonic-gate *(uint16_t *)value_p = peekpoke_value.u16; 3597c478bd9Sstevel@tonic-gate break; 3607c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3617c478bd9Sstevel@tonic-gate *(uint32_t *)value_p = peekpoke_value.u32; 3627c478bd9Sstevel@tonic-gate break; 3637c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3647c478bd9Sstevel@tonic-gate *(uint64_t *)value_p = peekpoke_value.u64; 3657c478bd9Sstevel@tonic-gate break; 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate return (rval); 3707c478bd9Sstevel@tonic-gate } 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate /* 3737c478bd9Sstevel@tonic-gate * Keep ddi_peek() and ddi_poke() in case 3rd parties are calling this. 3747c478bd9Sstevel@tonic-gate * they shouldn't be, but the 9f manpage kind of pseudo exposes it. 3757c478bd9Sstevel@tonic-gate */ 3767c478bd9Sstevel@tonic-gate int 3777c478bd9Sstevel@tonic-gate ddi_peek(dev_info_t *devi, size_t size, void *addr, void *value_p) 3787c478bd9Sstevel@tonic-gate { 3797c478bd9Sstevel@tonic-gate switch (size) { 3807c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3817c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3827c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3837c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 3847c478bd9Sstevel@tonic-gate break; 3857c478bd9Sstevel@tonic-gate default: 3867c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 3877c478bd9Sstevel@tonic-gate } 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, size, addr, value_p)); 3907c478bd9Sstevel@tonic-gate } 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate int 3937c478bd9Sstevel@tonic-gate ddi_poke(dev_info_t *devi, size_t size, void *addr, void *value_p) 3947c478bd9Sstevel@tonic-gate { 3957c478bd9Sstevel@tonic-gate switch (size) { 3967c478bd9Sstevel@tonic-gate case sizeof (uint8_t): 3977c478bd9Sstevel@tonic-gate case sizeof (uint16_t): 3987c478bd9Sstevel@tonic-gate case sizeof (uint32_t): 3997c478bd9Sstevel@tonic-gate case sizeof (uint64_t): 4007c478bd9Sstevel@tonic-gate break; 4017c478bd9Sstevel@tonic-gate default: 4027c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 4037c478bd9Sstevel@tonic-gate } 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(devi, DDI_CTLOPS_POKE, size, addr, value_p)); 4067c478bd9Sstevel@tonic-gate } 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate #ifdef _LP64 4097c478bd9Sstevel@tonic-gate int 4107c478bd9Sstevel@tonic-gate ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p) 4117c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4127c478bd9Sstevel@tonic-gate int 4137c478bd9Sstevel@tonic-gate ddi_peekc(dev_info_t *dip, int8_t *addr, int8_t *val_p) 4147c478bd9Sstevel@tonic-gate #endif 4157c478bd9Sstevel@tonic-gate { 4167c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4177c478bd9Sstevel@tonic-gate val_p)); 4187c478bd9Sstevel@tonic-gate } 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate #ifdef _LP64 4217c478bd9Sstevel@tonic-gate int 4227c478bd9Sstevel@tonic-gate ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p) 4237c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4247c478bd9Sstevel@tonic-gate int 4257c478bd9Sstevel@tonic-gate ddi_peeks(dev_info_t *dip, int16_t *addr, int16_t *val_p) 4267c478bd9Sstevel@tonic-gate #endif 4277c478bd9Sstevel@tonic-gate { 4287c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4297c478bd9Sstevel@tonic-gate val_p)); 4307c478bd9Sstevel@tonic-gate } 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate #ifdef _LP64 4337c478bd9Sstevel@tonic-gate int 4347c478bd9Sstevel@tonic-gate ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p) 4357c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4367c478bd9Sstevel@tonic-gate int 4377c478bd9Sstevel@tonic-gate ddi_peekl(dev_info_t *dip, int32_t *addr, int32_t *val_p) 4387c478bd9Sstevel@tonic-gate #endif 4397c478bd9Sstevel@tonic-gate { 4407c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4417c478bd9Sstevel@tonic-gate val_p)); 4427c478bd9Sstevel@tonic-gate } 4437c478bd9Sstevel@tonic-gate 4447c478bd9Sstevel@tonic-gate #ifdef _LP64 4457c478bd9Sstevel@tonic-gate int 4467c478bd9Sstevel@tonic-gate ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p) 4477c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4487c478bd9Sstevel@tonic-gate int 4497c478bd9Sstevel@tonic-gate ddi_peekd(dev_info_t *dip, int64_t *addr, int64_t *val_p) 4507c478bd9Sstevel@tonic-gate #endif 4517c478bd9Sstevel@tonic-gate { 4527c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_PEEK, sizeof (*val_p), addr, 4537c478bd9Sstevel@tonic-gate val_p)); 4547c478bd9Sstevel@tonic-gate } 4557c478bd9Sstevel@tonic-gate 4567c478bd9Sstevel@tonic-gate #ifdef _LP64 4577c478bd9Sstevel@tonic-gate int 4587c478bd9Sstevel@tonic-gate ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val) 4597c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4607c478bd9Sstevel@tonic-gate int 4617c478bd9Sstevel@tonic-gate ddi_pokec(dev_info_t *dip, int8_t *addr, int8_t val) 4627c478bd9Sstevel@tonic-gate #endif 4637c478bd9Sstevel@tonic-gate { 4647c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4657c478bd9Sstevel@tonic-gate } 4667c478bd9Sstevel@tonic-gate 4677c478bd9Sstevel@tonic-gate #ifdef _LP64 4687c478bd9Sstevel@tonic-gate int 4697c478bd9Sstevel@tonic-gate ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val) 4707c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4717c478bd9Sstevel@tonic-gate int 4727c478bd9Sstevel@tonic-gate ddi_pokes(dev_info_t *dip, int16_t *addr, int16_t val) 4737c478bd9Sstevel@tonic-gate #endif 4747c478bd9Sstevel@tonic-gate { 4757c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4767c478bd9Sstevel@tonic-gate } 4777c478bd9Sstevel@tonic-gate 4787c478bd9Sstevel@tonic-gate #ifdef _LP64 4797c478bd9Sstevel@tonic-gate int 4807c478bd9Sstevel@tonic-gate ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val) 4817c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4827c478bd9Sstevel@tonic-gate int 4837c478bd9Sstevel@tonic-gate ddi_pokel(dev_info_t *dip, int32_t *addr, int32_t val) 4847c478bd9Sstevel@tonic-gate #endif 4857c478bd9Sstevel@tonic-gate { 4867c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4877c478bd9Sstevel@tonic-gate } 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate #ifdef _LP64 4907c478bd9Sstevel@tonic-gate int 4917c478bd9Sstevel@tonic-gate ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val) 4927c478bd9Sstevel@tonic-gate #else /* _ILP32 */ 4937c478bd9Sstevel@tonic-gate int 4947c478bd9Sstevel@tonic-gate ddi_poked(dev_info_t *dip, int64_t *addr, int64_t val) 4957c478bd9Sstevel@tonic-gate #endif 4967c478bd9Sstevel@tonic-gate { 4977c478bd9Sstevel@tonic-gate return (i_ddi_peekpoke(dip, DDI_CTLOPS_POKE, sizeof (val), addr, &val)); 4987c478bd9Sstevel@tonic-gate } 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate /* 5017c478bd9Sstevel@tonic-gate * ddi_peekpokeio() is used primarily by the mem drivers for moving 5027c478bd9Sstevel@tonic-gate * data to and from uio structures via peek and poke. Note that we 5037c478bd9Sstevel@tonic-gate * use "internal" routines ddi_peek and ddi_poke to make this go 5047c478bd9Sstevel@tonic-gate * slightly faster, avoiding the call overhead .. 5057c478bd9Sstevel@tonic-gate */ 5067c478bd9Sstevel@tonic-gate int 5077c478bd9Sstevel@tonic-gate ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw, 5087c478bd9Sstevel@tonic-gate caddr_t addr, size_t len, uint_t xfersize) 5097c478bd9Sstevel@tonic-gate { 5107c478bd9Sstevel@tonic-gate int64_t ibuffer; 5117c478bd9Sstevel@tonic-gate int8_t w8; 5127c478bd9Sstevel@tonic-gate size_t sz; 5137c478bd9Sstevel@tonic-gate int o; 5147c478bd9Sstevel@tonic-gate 5157c478bd9Sstevel@tonic-gate if (xfersize > sizeof (long)) 5167c478bd9Sstevel@tonic-gate xfersize = sizeof (long); 5177c478bd9Sstevel@tonic-gate 5187c478bd9Sstevel@tonic-gate while (len != 0) { 5197c478bd9Sstevel@tonic-gate if ((len | (uintptr_t)addr) & 1) { 5207c478bd9Sstevel@tonic-gate sz = sizeof (int8_t); 5217c478bd9Sstevel@tonic-gate if (rw == UIO_WRITE) { 5227c478bd9Sstevel@tonic-gate if ((o = uwritec(uio)) == -1) 5237c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5247c478bd9Sstevel@tonic-gate if (ddi_poke8(devi, (int8_t *)addr, 5257c478bd9Sstevel@tonic-gate (int8_t)o) != DDI_SUCCESS) 5267c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5277c478bd9Sstevel@tonic-gate } else { 5287c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, sz, 5297c478bd9Sstevel@tonic-gate (int8_t *)addr, &w8) != DDI_SUCCESS) 5307c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5317c478bd9Sstevel@tonic-gate if (ureadc(w8, uio)) 5327c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate } else { 5357c478bd9Sstevel@tonic-gate switch (xfersize) { 5367c478bd9Sstevel@tonic-gate case sizeof (int64_t): 5377c478bd9Sstevel@tonic-gate if (((len | (uintptr_t)addr) & 5387c478bd9Sstevel@tonic-gate (sizeof (int64_t) - 1)) == 0) { 5397c478bd9Sstevel@tonic-gate sz = xfersize; 5407c478bd9Sstevel@tonic-gate break; 5417c478bd9Sstevel@tonic-gate } 5427c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 5437c478bd9Sstevel@tonic-gate case sizeof (int32_t): 5447c478bd9Sstevel@tonic-gate if (((len | (uintptr_t)addr) & 5457c478bd9Sstevel@tonic-gate (sizeof (int32_t) - 1)) == 0) { 5467c478bd9Sstevel@tonic-gate sz = xfersize; 5477c478bd9Sstevel@tonic-gate break; 5487c478bd9Sstevel@tonic-gate } 5497c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 5507c478bd9Sstevel@tonic-gate default: 5517c478bd9Sstevel@tonic-gate /* 5527c478bd9Sstevel@tonic-gate * This still assumes that we might have an 5537c478bd9Sstevel@tonic-gate * I/O bus out there that permits 16-bit 5547c478bd9Sstevel@tonic-gate * transfers (and that it would be upset by 5557c478bd9Sstevel@tonic-gate * 32-bit transfers from such locations). 5567c478bd9Sstevel@tonic-gate */ 5577c478bd9Sstevel@tonic-gate sz = sizeof (int16_t); 5587c478bd9Sstevel@tonic-gate break; 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate if (rw == UIO_READ) { 5627c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_PEEK, sz, 5637c478bd9Sstevel@tonic-gate addr, &ibuffer) != DDI_SUCCESS) 5647c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5657c478bd9Sstevel@tonic-gate } 5667c478bd9Sstevel@tonic-gate 5677c478bd9Sstevel@tonic-gate if (uiomove(&ibuffer, sz, rw, uio)) 5687c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate if (rw == UIO_WRITE) { 5717c478bd9Sstevel@tonic-gate if (i_ddi_peekpoke(devi, DDI_CTLOPS_POKE, sz, 5727c478bd9Sstevel@tonic-gate addr, &ibuffer) != DDI_SUCCESS) 5737c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 5747c478bd9Sstevel@tonic-gate } 5757c478bd9Sstevel@tonic-gate } 5767c478bd9Sstevel@tonic-gate addr += sz; 5777c478bd9Sstevel@tonic-gate len -= sz; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 5807c478bd9Sstevel@tonic-gate } 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate /* 5837c478bd9Sstevel@tonic-gate * These routines are used by drivers that do layered ioctls 5847c478bd9Sstevel@tonic-gate * On sparc, they're implemented in assembler to avoid spilling 5857c478bd9Sstevel@tonic-gate * register windows in the common (copyin) case .. 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate #if !defined(__sparc) 5887c478bd9Sstevel@tonic-gate int 5897c478bd9Sstevel@tonic-gate ddi_copyin(const void *buf, void *kernbuf, size_t size, int flags) 5907c478bd9Sstevel@tonic-gate { 5917c478bd9Sstevel@tonic-gate if (flags & FKIOCTL) 5927c478bd9Sstevel@tonic-gate return (kcopy(buf, kernbuf, size) ? -1 : 0); 5937c478bd9Sstevel@tonic-gate return (copyin(buf, kernbuf, size)); 5947c478bd9Sstevel@tonic-gate } 5957c478bd9Sstevel@tonic-gate 5967c478bd9Sstevel@tonic-gate int 5977c478bd9Sstevel@tonic-gate ddi_copyout(const void *buf, void *kernbuf, size_t size, int flags) 5987c478bd9Sstevel@tonic-gate { 5997c478bd9Sstevel@tonic-gate if (flags & FKIOCTL) 6007c478bd9Sstevel@tonic-gate return (kcopy(buf, kernbuf, size) ? -1 : 0); 6017c478bd9Sstevel@tonic-gate return (copyout(buf, kernbuf, size)); 6027c478bd9Sstevel@tonic-gate } 6037c478bd9Sstevel@tonic-gate #endif /* !__sparc */ 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate /* 6067c478bd9Sstevel@tonic-gate * Conversions in nexus pagesize units. We don't duplicate the 6077c478bd9Sstevel@tonic-gate * 'nil dip' semantics of peek/poke because btopr/btop/ptob are DDI/DKI 6087c478bd9Sstevel@tonic-gate * routines anyway. 6097c478bd9Sstevel@tonic-gate */ 6107c478bd9Sstevel@tonic-gate unsigned long 6117c478bd9Sstevel@tonic-gate ddi_btop(dev_info_t *dip, unsigned long bytes) 6127c478bd9Sstevel@tonic-gate { 6137c478bd9Sstevel@tonic-gate unsigned long pages; 6147c478bd9Sstevel@tonic-gate 6157c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_BTOP, &bytes, &pages); 6167c478bd9Sstevel@tonic-gate return (pages); 6177c478bd9Sstevel@tonic-gate } 6187c478bd9Sstevel@tonic-gate 6197c478bd9Sstevel@tonic-gate unsigned long 6207c478bd9Sstevel@tonic-gate ddi_btopr(dev_info_t *dip, unsigned long bytes) 6217c478bd9Sstevel@tonic-gate { 6227c478bd9Sstevel@tonic-gate unsigned long pages; 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_BTOPR, &bytes, &pages); 6257c478bd9Sstevel@tonic-gate return (pages); 6267c478bd9Sstevel@tonic-gate } 6277c478bd9Sstevel@tonic-gate 6287c478bd9Sstevel@tonic-gate unsigned long 6297c478bd9Sstevel@tonic-gate ddi_ptob(dev_info_t *dip, unsigned long pages) 6307c478bd9Sstevel@tonic-gate { 6317c478bd9Sstevel@tonic-gate unsigned long bytes; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate (void) ddi_ctlops(dip, dip, DDI_CTLOPS_PTOB, &pages, &bytes); 6347c478bd9Sstevel@tonic-gate return (bytes); 6357c478bd9Sstevel@tonic-gate } 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate unsigned int 6387c478bd9Sstevel@tonic-gate ddi_enter_critical(void) 6397c478bd9Sstevel@tonic-gate { 6407c478bd9Sstevel@tonic-gate return ((uint_t)spl7()); 6417c478bd9Sstevel@tonic-gate } 6427c478bd9Sstevel@tonic-gate 6437c478bd9Sstevel@tonic-gate void 6447c478bd9Sstevel@tonic-gate ddi_exit_critical(unsigned int spl) 6457c478bd9Sstevel@tonic-gate { 6467c478bd9Sstevel@tonic-gate splx((int)spl); 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * Nexus ctlops punter 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate #if !defined(__sparc) 6547c478bd9Sstevel@tonic-gate /* 6557c478bd9Sstevel@tonic-gate * Request bus_ctl parent to handle a bus_ctl request 6567c478bd9Sstevel@tonic-gate * 6577c478bd9Sstevel@tonic-gate * (The sparc version is in sparc_ddi.s) 6587c478bd9Sstevel@tonic-gate */ 6597c478bd9Sstevel@tonic-gate int 6607c478bd9Sstevel@tonic-gate ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t op, void *a, void *v) 6617c478bd9Sstevel@tonic-gate { 6627c478bd9Sstevel@tonic-gate int (*fp)(); 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate if (!d || !r) 6657c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 6667c478bd9Sstevel@tonic-gate 6677c478bd9Sstevel@tonic-gate if ((d = (dev_info_t *)DEVI(d)->devi_bus_ctl) == NULL) 6687c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate fp = DEVI(d)->devi_ops->devo_bus_ops->bus_ctl; 6717c478bd9Sstevel@tonic-gate return ((*fp)(d, r, op, a, v)); 6727c478bd9Sstevel@tonic-gate } 6737c478bd9Sstevel@tonic-gate 6747c478bd9Sstevel@tonic-gate #endif 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate /* 6777c478bd9Sstevel@tonic-gate * DMA/DVMA setup 6787c478bd9Sstevel@tonic-gate */ 6797c478bd9Sstevel@tonic-gate 6807c478bd9Sstevel@tonic-gate #if defined(__sparc) 6817c478bd9Sstevel@tonic-gate static ddi_dma_lim_t standard_limits = { 6827c478bd9Sstevel@tonic-gate (uint_t)0, /* addr_t dlim_addr_lo */ 6837c478bd9Sstevel@tonic-gate (uint_t)-1, /* addr_t dlim_addr_hi */ 6847c478bd9Sstevel@tonic-gate (uint_t)-1, /* uint_t dlim_cntr_max */ 6857c478bd9Sstevel@tonic-gate (uint_t)1, /* uint_t dlim_burstsizes */ 6867c478bd9Sstevel@tonic-gate (uint_t)1, /* uint_t dlim_minxfer */ 6877c478bd9Sstevel@tonic-gate 0 /* uint_t dlim_dmaspeed */ 6887c478bd9Sstevel@tonic-gate }; 6897c478bd9Sstevel@tonic-gate #elif defined(__x86) 6907c478bd9Sstevel@tonic-gate static ddi_dma_lim_t standard_limits = { 6917c478bd9Sstevel@tonic-gate (uint_t)0, /* addr_t dlim_addr_lo */ 6927c478bd9Sstevel@tonic-gate (uint_t)0xffffff, /* addr_t dlim_addr_hi */ 6937c478bd9Sstevel@tonic-gate (uint_t)0, /* uint_t dlim_cntr_max */ 6947c478bd9Sstevel@tonic-gate (uint_t)0x00000001, /* uint_t dlim_burstsizes */ 6957c478bd9Sstevel@tonic-gate (uint_t)DMA_UNIT_8, /* uint_t dlim_minxfer */ 6967c478bd9Sstevel@tonic-gate (uint_t)0, /* uint_t dlim_dmaspeed */ 6977c478bd9Sstevel@tonic-gate (uint_t)0x86<<24+0, /* uint_t dlim_version */ 6987c478bd9Sstevel@tonic-gate (uint_t)0xffff, /* uint_t dlim_adreg_max */ 6997c478bd9Sstevel@tonic-gate (uint_t)0xffff, /* uint_t dlim_ctreg_max */ 7007c478bd9Sstevel@tonic-gate (uint_t)512, /* uint_t dlim_granular */ 7017c478bd9Sstevel@tonic-gate (int)1, /* int dlim_sgllen */ 7027c478bd9Sstevel@tonic-gate (uint_t)0xffffffff /* uint_t dlim_reqsizes */ 7037c478bd9Sstevel@tonic-gate }; 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate #endif 7067c478bd9Sstevel@tonic-gate 7077c478bd9Sstevel@tonic-gate int 7087c478bd9Sstevel@tonic-gate ddi_dma_setup(dev_info_t *dip, struct ddi_dma_req *dmareqp, 7097c478bd9Sstevel@tonic-gate ddi_dma_handle_t *handlep) 7107c478bd9Sstevel@tonic-gate { 7117c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 7127c478bd9Sstevel@tonic-gate struct bus_ops *bop; 7137c478bd9Sstevel@tonic-gate #if defined(__sparc) 7147c478bd9Sstevel@tonic-gate auto ddi_dma_lim_t dma_lim; 7157c478bd9Sstevel@tonic-gate 7167c478bd9Sstevel@tonic-gate if (dmareqp->dmar_limits == (ddi_dma_lim_t *)0) { 7177c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 7187c478bd9Sstevel@tonic-gate } else { 7197c478bd9Sstevel@tonic-gate dma_lim = *dmareqp->dmar_limits; 7207c478bd9Sstevel@tonic-gate } 7217c478bd9Sstevel@tonic-gate dmareqp->dmar_limits = &dma_lim; 7227c478bd9Sstevel@tonic-gate #endif 7237c478bd9Sstevel@tonic-gate #if defined(__x86) 7247c478bd9Sstevel@tonic-gate if (dmareqp->dmar_limits == (ddi_dma_lim_t *)0) 7257c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 7267c478bd9Sstevel@tonic-gate #endif 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate /* 7297c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 7307c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 7317c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 7327c478bd9Sstevel@tonic-gate * of ddi_dma_map. 7337c478bd9Sstevel@tonic-gate */ 7347c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 7357c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 7367c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 7377c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, dmareqp, handlep)); 7387c478bd9Sstevel@tonic-gate } 7397c478bd9Sstevel@tonic-gate 7407c478bd9Sstevel@tonic-gate int 7417c478bd9Sstevel@tonic-gate ddi_dma_addr_setup(dev_info_t *dip, struct as *as, caddr_t addr, size_t len, 7427c478bd9Sstevel@tonic-gate uint_t flags, int (*waitfp)(), caddr_t arg, 7437c478bd9Sstevel@tonic-gate ddi_dma_lim_t *limits, ddi_dma_handle_t *handlep) 7447c478bd9Sstevel@tonic-gate { 7457c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 7467c478bd9Sstevel@tonic-gate ddi_dma_lim_t dma_lim; 7477c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 7487c478bd9Sstevel@tonic-gate struct bus_ops *bop; 7497c478bd9Sstevel@tonic-gate 7507c478bd9Sstevel@tonic-gate if (len == 0) { 7517c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 7527c478bd9Sstevel@tonic-gate } 7537c478bd9Sstevel@tonic-gate if (limits == (ddi_dma_lim_t *)0) { 7547c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 7557c478bd9Sstevel@tonic-gate } else { 7567c478bd9Sstevel@tonic-gate dma_lim = *limits; 7577c478bd9Sstevel@tonic-gate } 7587c478bd9Sstevel@tonic-gate dmareq.dmar_limits = &dma_lim; 7597c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 7607c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 7617c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 7627c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = len; 7637c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_VADDR; 7647c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = as; 7657c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = addr; 7667c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate /* 7697c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 7707c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 7717c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 7727c478bd9Sstevel@tonic-gate * of ddi_dma_map. 7737c478bd9Sstevel@tonic-gate */ 7747c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 7757c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 7767c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dmareq, handlep)); 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate 7817c478bd9Sstevel@tonic-gate int 7827c478bd9Sstevel@tonic-gate ddi_dma_buf_setup(dev_info_t *dip, struct buf *bp, uint_t flags, 7837c478bd9Sstevel@tonic-gate int (*waitfp)(), caddr_t arg, ddi_dma_lim_t *limits, 7847c478bd9Sstevel@tonic-gate ddi_dma_handle_t *handlep) 7857c478bd9Sstevel@tonic-gate { 7867c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_map; 7877c478bd9Sstevel@tonic-gate ddi_dma_lim_t dma_lim; 7887c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 7897c478bd9Sstevel@tonic-gate struct bus_ops *bop; 7907c478bd9Sstevel@tonic-gate 7917c478bd9Sstevel@tonic-gate if (limits == (ddi_dma_lim_t *)0) { 7927c478bd9Sstevel@tonic-gate dma_lim = standard_limits; 7937c478bd9Sstevel@tonic-gate } else { 7947c478bd9Sstevel@tonic-gate dma_lim = *limits; 7957c478bd9Sstevel@tonic-gate } 7967c478bd9Sstevel@tonic-gate dmareq.dmar_limits = &dma_lim; 7977c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 7987c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 7997c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 8007c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = (uint_t)bp->b_bcount; 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate if ((bp->b_flags & (B_PAGEIO|B_REMAPPED)) == B_PAGEIO) { 8037c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_PAGES; 8047c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_pp = bp->b_pages; 8057c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_offset = 8067c478bd9Sstevel@tonic-gate (uint_t)(((uintptr_t)bp->b_un.b_addr) & MMU_PAGEOFFSET); 8077c478bd9Sstevel@tonic-gate } else { 8087c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_BUFVADDR; 8097c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = bp->b_un.b_addr; 8107c478bd9Sstevel@tonic-gate if ((bp->b_flags & (B_SHADOW|B_REMAPPED)) == B_SHADOW) { 8117c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = 8127c478bd9Sstevel@tonic-gate bp->b_shadow; 8137c478bd9Sstevel@tonic-gate } else { 8147c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 8157c478bd9Sstevel@tonic-gate } 8167c478bd9Sstevel@tonic-gate 8177c478bd9Sstevel@tonic-gate /* 8187c478bd9Sstevel@tonic-gate * If the buffer has no proc pointer, or the proc 8197c478bd9Sstevel@tonic-gate * struct has the kernel address space, or the buffer has 8207c478bd9Sstevel@tonic-gate * been marked B_REMAPPED (meaning that it is now 8217c478bd9Sstevel@tonic-gate * mapped into the kernel's address space), then 8227c478bd9Sstevel@tonic-gate * the address space is kas (kernel address space). 8237c478bd9Sstevel@tonic-gate */ 8247c478bd9Sstevel@tonic-gate if (bp->b_proc == NULL || bp->b_proc->p_as == &kas || 8257c478bd9Sstevel@tonic-gate (bp->b_flags & B_REMAPPED) != 0) { 8267c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 0; 8277c478bd9Sstevel@tonic-gate } else { 8287c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 8297c478bd9Sstevel@tonic-gate bp->b_proc->p_as; 8307c478bd9Sstevel@tonic-gate } 8317c478bd9Sstevel@tonic-gate } 8327c478bd9Sstevel@tonic-gate 8337c478bd9Sstevel@tonic-gate /* 8347c478bd9Sstevel@tonic-gate * Handle the case that the requester is both a leaf 8357c478bd9Sstevel@tonic-gate * and a nexus driver simultaneously by calling the 8367c478bd9Sstevel@tonic-gate * requester's bus_dma_map function directly instead 8377c478bd9Sstevel@tonic-gate * of ddi_dma_map. 8387c478bd9Sstevel@tonic-gate */ 8397c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 8407c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_map) 8417c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_map; 8427c478bd9Sstevel@tonic-gate 8437c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dmareq, handlep)); 8447c478bd9Sstevel@tonic-gate } 8457c478bd9Sstevel@tonic-gate 8467c478bd9Sstevel@tonic-gate #if !defined(__sparc) 8477c478bd9Sstevel@tonic-gate /* 8487c478bd9Sstevel@tonic-gate * Request bus_dma_ctl parent to fiddle with a dma request. 8497c478bd9Sstevel@tonic-gate * 8507c478bd9Sstevel@tonic-gate * (The sparc version is in sparc_subr.s) 8517c478bd9Sstevel@tonic-gate */ 8527c478bd9Sstevel@tonic-gate int 8537c478bd9Sstevel@tonic-gate ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 8547c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 8557c478bd9Sstevel@tonic-gate off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 8567c478bd9Sstevel@tonic-gate { 8577c478bd9Sstevel@tonic-gate int (*fp)(); 8587c478bd9Sstevel@tonic-gate 8597c478bd9Sstevel@tonic-gate dip = (dev_info_t *)DEVI(dip)->devi_bus_dma_ctl; 8607c478bd9Sstevel@tonic-gate fp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_ctl; 8617c478bd9Sstevel@tonic-gate return ((*fp) (dip, rdip, handle, request, offp, lenp, objp, flags)); 8627c478bd9Sstevel@tonic-gate } 8637c478bd9Sstevel@tonic-gate #endif 8647c478bd9Sstevel@tonic-gate 8657c478bd9Sstevel@tonic-gate /* 8667c478bd9Sstevel@tonic-gate * For all DMA control functions, call the DMA control 8677c478bd9Sstevel@tonic-gate * routine and return status. 8687c478bd9Sstevel@tonic-gate * 8697c478bd9Sstevel@tonic-gate * Just plain assume that the parent is to be called. 8707c478bd9Sstevel@tonic-gate * If a nexus driver or a thread outside the framework 8717c478bd9Sstevel@tonic-gate * of a nexus driver or a leaf driver calls these functions, 8727c478bd9Sstevel@tonic-gate * it is up to them to deal with the fact that the parent's 8737c478bd9Sstevel@tonic-gate * bus_dma_ctl function will be the first one called. 8747c478bd9Sstevel@tonic-gate */ 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate #define HD ((ddi_dma_impl_t *)h)->dmai_rdip 8777c478bd9Sstevel@tonic-gate 8787c478bd9Sstevel@tonic-gate int 8797c478bd9Sstevel@tonic-gate ddi_dma_kvaddrp(ddi_dma_handle_t h, off_t off, size_t len, caddr_t *kp) 8807c478bd9Sstevel@tonic-gate { 8817c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_KVADDR, &off, &len, kp, 0)); 8827c478bd9Sstevel@tonic-gate } 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate int 8857c478bd9Sstevel@tonic-gate ddi_dma_htoc(ddi_dma_handle_t h, off_t o, ddi_dma_cookie_t *c) 8867c478bd9Sstevel@tonic-gate { 8877c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_HTOC, &o, 0, (caddr_t *)c, 0)); 8887c478bd9Sstevel@tonic-gate } 8897c478bd9Sstevel@tonic-gate 8907c478bd9Sstevel@tonic-gate int 8917c478bd9Sstevel@tonic-gate ddi_dma_coff(ddi_dma_handle_t h, ddi_dma_cookie_t *c, off_t *o) 8927c478bd9Sstevel@tonic-gate { 8937c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_COFF, 8947c478bd9Sstevel@tonic-gate (off_t *)c, 0, (caddr_t *)o, 0)); 8957c478bd9Sstevel@tonic-gate } 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate int 8987c478bd9Sstevel@tonic-gate ddi_dma_movwin(ddi_dma_handle_t h, off_t *o, size_t *l, ddi_dma_cookie_t *c) 8997c478bd9Sstevel@tonic-gate { 9007c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_MOVWIN, o, 9017c478bd9Sstevel@tonic-gate l, (caddr_t *)c, 0)); 9027c478bd9Sstevel@tonic-gate } 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate int 9057c478bd9Sstevel@tonic-gate ddi_dma_curwin(ddi_dma_handle_t h, off_t *o, size_t *l) 9067c478bd9Sstevel@tonic-gate { 9077c478bd9Sstevel@tonic-gate if ((((ddi_dma_impl_t *)h)->dmai_rflags & DDI_DMA_PARTIAL) == 0) 9087c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 9097c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_REPWIN, o, l, 0, 0)); 9107c478bd9Sstevel@tonic-gate } 9117c478bd9Sstevel@tonic-gate 9127c478bd9Sstevel@tonic-gate /* 9137c478bd9Sstevel@tonic-gate * Note: The astute might notice that in the next two routines 9147c478bd9Sstevel@tonic-gate * the SPARC case passes a pointer to a ddi_dma_win_t as the 5th 9157c478bd9Sstevel@tonic-gate * argument while the x86 case passes the ddi_dma_win_t directly. 9167c478bd9Sstevel@tonic-gate * 9177c478bd9Sstevel@tonic-gate * While it would be nice if the "correct" behavior was 9187c478bd9Sstevel@tonic-gate * platform independent and specified someplace, it isn't. 9197c478bd9Sstevel@tonic-gate * Until that point, what's required is that this call and 9207c478bd9Sstevel@tonic-gate * the relevant bus nexus drivers agree, and in this case they 9217c478bd9Sstevel@tonic-gate * do, at least for the cases I've looked at. 9227c478bd9Sstevel@tonic-gate */ 9237c478bd9Sstevel@tonic-gate int 9247c478bd9Sstevel@tonic-gate ddi_dma_nextwin(ddi_dma_handle_t h, ddi_dma_win_t win, 9257c478bd9Sstevel@tonic-gate ddi_dma_win_t *nwin) 9267c478bd9Sstevel@tonic-gate { 9277c478bd9Sstevel@tonic-gate #if defined(__sparc) 9287c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTWIN, (off_t *)&win, 0, 9297c478bd9Sstevel@tonic-gate (caddr_t *)nwin, 0)); 9307c478bd9Sstevel@tonic-gate #elif defined(__x86) 9317c478bd9Sstevel@tonic-gate return (((ddi_dma_impl_t *)h)->dmai_mctl(HD, HD, h, DDI_DMA_NEXTWIN, 9327c478bd9Sstevel@tonic-gate (off_t *)win, 0, (caddr_t *)nwin, 0)); 9337c478bd9Sstevel@tonic-gate #else 9347c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTWIN, 9357c478bd9Sstevel@tonic-gate (off_t *)win, 0, (caddr_t *)nwin, 0)); 9367c478bd9Sstevel@tonic-gate #endif 9377c478bd9Sstevel@tonic-gate } 9387c478bd9Sstevel@tonic-gate 9397c478bd9Sstevel@tonic-gate int 9407c478bd9Sstevel@tonic-gate ddi_dma_nextseg(ddi_dma_win_t win, ddi_dma_seg_t seg, ddi_dma_seg_t *nseg) 9417c478bd9Sstevel@tonic-gate { 9427c478bd9Sstevel@tonic-gate #if defined(__sparc) 9437c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)win; 9447c478bd9Sstevel@tonic-gate 9457c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTSEG, (off_t *)&win, 9467c478bd9Sstevel@tonic-gate (size_t *)&seg, (caddr_t *)nseg, 0)); 9477c478bd9Sstevel@tonic-gate #else 9487c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t) 9497c478bd9Sstevel@tonic-gate ((impl_dma_segment_t *)win)->dmais_hndl; 9507c478bd9Sstevel@tonic-gate 9517c478bd9Sstevel@tonic-gate #if defined(__x86) 9527c478bd9Sstevel@tonic-gate return (((ddi_dma_impl_t *)h)->dmai_mctl(HD, HD, h, DDI_DMA_NEXTSEG, 9537c478bd9Sstevel@tonic-gate (off_t *)win, (size_t *)seg, (caddr_t *)nseg, 0)); 9547c478bd9Sstevel@tonic-gate #else 9557c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_NEXTSEG, 9567c478bd9Sstevel@tonic-gate (off_t *)win, (size_t *)seg, (caddr_t *)nseg, 0)); 9577c478bd9Sstevel@tonic-gate #endif 9587c478bd9Sstevel@tonic-gate #endif 9597c478bd9Sstevel@tonic-gate } 9607c478bd9Sstevel@tonic-gate 9617c478bd9Sstevel@tonic-gate #if (defined(__i386) && !defined(__amd64)) || defined(__sparc) 9627c478bd9Sstevel@tonic-gate /* 9637c478bd9Sstevel@tonic-gate * This routine is Obsolete and should be removed from ALL architectures 9647c478bd9Sstevel@tonic-gate * in a future release of Solaris. 9657c478bd9Sstevel@tonic-gate * 9667c478bd9Sstevel@tonic-gate * It is deliberately NOT ported to amd64; please fix the code that 9677c478bd9Sstevel@tonic-gate * depends on this routine to use ddi_dma_nextcookie(9F). 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 #if defined(__sparc) 9747c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t)seg; 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SEGTOC, o, (size_t *)l, 9777c478bd9Sstevel@tonic-gate (caddr_t *)cookiep, 0)); 9787c478bd9Sstevel@tonic-gate #elif defined(__i386) && !defined(__amd64) 9797c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = (ddi_dma_handle_t) 9807c478bd9Sstevel@tonic-gate ((impl_dma_segment_t *)seg)->dmais_hndl; 9817c478bd9Sstevel@tonic-gate 9827c478bd9Sstevel@tonic-gate /* 9837c478bd9Sstevel@tonic-gate * The hack used for i386 won't work here; we can't squeeze a 9847c478bd9Sstevel@tonic-gate * pointer through the 'cache_flags' field. 9857c478bd9Sstevel@tonic-gate */ 9867c478bd9Sstevel@tonic-gate return (((ddi_dma_impl_t *)h)->dmai_mctl(HD, HD, h, DDI_DMA_SEGTOC, 9877c478bd9Sstevel@tonic-gate o, (size_t *)l, (caddr_t *)cookiep, (uint_t)seg)); 9887c478bd9Sstevel@tonic-gate #endif 9897c478bd9Sstevel@tonic-gate } 9907c478bd9Sstevel@tonic-gate #endif /* (__i386 && !__amd64) || __sparc */ 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate #if !defined(__sparc) 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate /* 9957c478bd9Sstevel@tonic-gate * The SPARC versions of these routines are done in assembler to 9967c478bd9Sstevel@tonic-gate * save register windows, so they're in sparc_subr.s. 9977c478bd9Sstevel@tonic-gate */ 9987c478bd9Sstevel@tonic-gate 9997c478bd9Sstevel@tonic-gate int 10007c478bd9Sstevel@tonic-gate ddi_dma_map(dev_info_t *dip, dev_info_t *rdip, 10017c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 10027c478bd9Sstevel@tonic-gate { 10037c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10047c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, struct ddi_dma_req *, 10057c478bd9Sstevel@tonic-gate ddi_dma_handle_t *); 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_map; 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_map; 10107c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, dmareqp, handlep)); 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate int 10147c478bd9Sstevel@tonic-gate ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 10157c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 10167c478bd9Sstevel@tonic-gate { 10177c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10187c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_attr_t *, 10197c478bd9Sstevel@tonic-gate int (*)(caddr_t), caddr_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_allochdl; 10247c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, attr, waitfp, arg, handlep)); 10257c478bd9Sstevel@tonic-gate } 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate int 10287c478bd9Sstevel@tonic-gate ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handlep) 10297c478bd9Sstevel@tonic-gate { 10307c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10317c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10327c478bd9Sstevel@tonic-gate 10337c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_allochdl; 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_freehdl; 10367c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handlep)); 10377c478bd9Sstevel@tonic-gate } 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate int 10407c478bd9Sstevel@tonic-gate ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 10417c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 10427c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 10437c478bd9Sstevel@tonic-gate { 10447c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10457c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10467c478bd9Sstevel@tonic-gate struct ddi_dma_req *, ddi_dma_cookie_t *, uint_t *); 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_bindhdl; 10517c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, dmareq, cp, ccountp)); 10527c478bd9Sstevel@tonic-gate } 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate int 10557c478bd9Sstevel@tonic-gate ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 10567c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 10577c478bd9Sstevel@tonic-gate { 10587c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10597c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_unbindhdl; 10647c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle)); 10657c478bd9Sstevel@tonic-gate } 10667c478bd9Sstevel@tonic-gate 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate int 10697c478bd9Sstevel@tonic-gate ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 10707c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 10717c478bd9Sstevel@tonic-gate uint_t cache_flags) 10727c478bd9Sstevel@tonic-gate { 10737c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10747c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10757c478bd9Sstevel@tonic-gate off_t, size_t, uint_t); 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 10787c478bd9Sstevel@tonic-gate 10797c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_flush; 10807c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, off, len, cache_flags)); 10817c478bd9Sstevel@tonic-gate } 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate int 10847c478bd9Sstevel@tonic-gate ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 10857c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 10867c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 10877c478bd9Sstevel@tonic-gate { 10887c478bd9Sstevel@tonic-gate dev_info_t *hdip; 10897c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, 10907c478bd9Sstevel@tonic-gate uint_t, off_t *, size_t *, ddi_dma_cookie_t *, uint_t *); 10917c478bd9Sstevel@tonic-gate 10927c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_win; 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_win; 10957c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, rdip, handle, win, offp, lenp, 10967c478bd9Sstevel@tonic-gate cookiep, ccountp)); 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate 10997c478bd9Sstevel@tonic-gate int 11007c478bd9Sstevel@tonic-gate ddi_dma_sync(ddi_dma_handle_t h, off_t o, size_t l, uint_t whom) 11017c478bd9Sstevel@tonic-gate { 11027c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 11037c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 11047c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, off_t, 11057c478bd9Sstevel@tonic-gate size_t, uint_t); 11067c478bd9Sstevel@tonic-gate 11077c478bd9Sstevel@tonic-gate /* 11087c478bd9Sstevel@tonic-gate * the DMA nexus driver will set DMP_NOSYNC if the 11097c478bd9Sstevel@tonic-gate * platform does not require any sync operation. For 11107c478bd9Sstevel@tonic-gate * example if the memory is uncached or consistent 11117c478bd9Sstevel@tonic-gate * and without any I/O write buffers involved. 11127c478bd9Sstevel@tonic-gate */ 11137c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DMP_NOSYNC) == DMP_NOSYNC) 11147c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 11157c478bd9Sstevel@tonic-gate 11167c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 11177c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_flush; 11187c478bd9Sstevel@tonic-gate funcp = DEVI(hdip)->devi_ops->devo_bus_ops->bus_dma_flush; 11197c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, h, o, l, whom)); 11207c478bd9Sstevel@tonic-gate } 11217c478bd9Sstevel@tonic-gate 11227c478bd9Sstevel@tonic-gate int 11237c478bd9Sstevel@tonic-gate ddi_dma_unbind_handle(ddi_dma_handle_t h) 11247c478bd9Sstevel@tonic-gate { 11257c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 11267c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 11277c478bd9Sstevel@tonic-gate int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t); 11287c478bd9Sstevel@tonic-gate 11297c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 11307c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_unbindhdl; 11317c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_unbindfunc; 11327c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, h)); 11337c478bd9Sstevel@tonic-gate } 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate #endif /* !__sparc */ 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate int 11387c478bd9Sstevel@tonic-gate ddi_dma_free(ddi_dma_handle_t h) 11397c478bd9Sstevel@tonic-gate { 11407c478bd9Sstevel@tonic-gate #if !defined(__x86) 11417c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_FREE, 0, 0, 0, 0)); 11427c478bd9Sstevel@tonic-gate #else 11437c478bd9Sstevel@tonic-gate return (((ddi_dma_impl_t *)h)->dmai_mctl(HD, HD, h, DDI_DMA_FREE, 11447c478bd9Sstevel@tonic-gate 0, 0, 0, 0)); 11457c478bd9Sstevel@tonic-gate #endif 11467c478bd9Sstevel@tonic-gate } 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate int 11497c478bd9Sstevel@tonic-gate ddi_iopb_alloc(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t len, caddr_t *iopbp) 11507c478bd9Sstevel@tonic-gate { 11517c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11527c478bd9Sstevel@tonic-gate size_t size = len; 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate if (!limp) { 11557c478bd9Sstevel@tonic-gate defalt = standard_limits; 11567c478bd9Sstevel@tonic-gate limp = &defalt; 11577c478bd9Sstevel@tonic-gate } 11587c478bd9Sstevel@tonic-gate #if defined(__sparc) 11597c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limp, size, 0, 0, 0, 11607c478bd9Sstevel@tonic-gate iopbp, NULL, NULL)); 11617c478bd9Sstevel@tonic-gate #else 11627c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_IOPB_ALLOC, (off_t *)limp, 11637c478bd9Sstevel@tonic-gate &size, iopbp, 0)); 11647c478bd9Sstevel@tonic-gate #endif 11657c478bd9Sstevel@tonic-gate } 11667c478bd9Sstevel@tonic-gate 11677c478bd9Sstevel@tonic-gate void 11687c478bd9Sstevel@tonic-gate ddi_iopb_free(caddr_t iopb) 11697c478bd9Sstevel@tonic-gate { 11707c478bd9Sstevel@tonic-gate i_ddi_mem_free(iopb, 0); 11717c478bd9Sstevel@tonic-gate } 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate int 11747c478bd9Sstevel@tonic-gate ddi_mem_alloc(dev_info_t *dip, ddi_dma_lim_t *limits, uint_t length, 11757c478bd9Sstevel@tonic-gate uint_t flags, caddr_t *kaddrp, uint_t *real_length) 11767c478bd9Sstevel@tonic-gate { 11777c478bd9Sstevel@tonic-gate ddi_dma_lim_t defalt; 11787c478bd9Sstevel@tonic-gate size_t size = length; 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate if (!limits) { 11817c478bd9Sstevel@tonic-gate defalt = standard_limits; 11827c478bd9Sstevel@tonic-gate limits = &defalt; 11837c478bd9Sstevel@tonic-gate } 11847c478bd9Sstevel@tonic-gate #if defined(__sparc) 11857c478bd9Sstevel@tonic-gate return (i_ddi_mem_alloc_lim(dip, limits, size, flags & 0x1, 11867c478bd9Sstevel@tonic-gate 1, 0, kaddrp, real_length, NULL)); 11877c478bd9Sstevel@tonic-gate #else 11887c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(dip, dip, (ddi_dma_handle_t)real_length, 11897c478bd9Sstevel@tonic-gate DDI_DMA_SMEM_ALLOC, (off_t *)limits, &size, 11907c478bd9Sstevel@tonic-gate kaddrp, (flags & 0x1))); 11917c478bd9Sstevel@tonic-gate #endif 11927c478bd9Sstevel@tonic-gate } 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate void 11957c478bd9Sstevel@tonic-gate ddi_mem_free(caddr_t kaddr) 11967c478bd9Sstevel@tonic-gate { 11977c478bd9Sstevel@tonic-gate i_ddi_mem_free(kaddr, 1); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate 12007c478bd9Sstevel@tonic-gate /* 12017c478bd9Sstevel@tonic-gate * DMA attributes, alignment, burst sizes, and transfer minimums 12027c478bd9Sstevel@tonic-gate */ 12037c478bd9Sstevel@tonic-gate int 12047c478bd9Sstevel@tonic-gate ddi_dma_get_attr(ddi_dma_handle_t handle, ddi_dma_attr_t *attrp) 12057c478bd9Sstevel@tonic-gate { 12067c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate if (attrp == NULL) 12097c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 12107c478bd9Sstevel@tonic-gate *attrp = dimp->dmai_attr; 12117c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 12127c478bd9Sstevel@tonic-gate } 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate int 12157c478bd9Sstevel@tonic-gate ddi_dma_burstsizes(ddi_dma_handle_t handle) 12167c478bd9Sstevel@tonic-gate { 12177c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate if (!dimp) 12207c478bd9Sstevel@tonic-gate return (0); 12217c478bd9Sstevel@tonic-gate else 12227c478bd9Sstevel@tonic-gate return (dimp->dmai_burstsizes); 12237c478bd9Sstevel@tonic-gate } 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate int 12267c478bd9Sstevel@tonic-gate ddi_dma_devalign(ddi_dma_handle_t handle, uint_t *alignment, uint_t *mineffect) 12277c478bd9Sstevel@tonic-gate { 12287c478bd9Sstevel@tonic-gate ddi_dma_impl_t *dimp = (ddi_dma_impl_t *)handle; 12297c478bd9Sstevel@tonic-gate 12307c478bd9Sstevel@tonic-gate if (!dimp || !alignment || !mineffect) 12317c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 12327c478bd9Sstevel@tonic-gate if (!(dimp->dmai_rflags & DDI_DMA_SBUS_64BIT)) { 12337c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12347c478bd9Sstevel@tonic-gate } else { 12357c478bd9Sstevel@tonic-gate if (dimp->dmai_burstsizes & 0xff0000) { 12367c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes >> 16); 12377c478bd9Sstevel@tonic-gate } else { 12387c478bd9Sstevel@tonic-gate *alignment = 1 << ddi_ffs(dimp->dmai_burstsizes); 12397c478bd9Sstevel@tonic-gate } 12407c478bd9Sstevel@tonic-gate } 12417c478bd9Sstevel@tonic-gate *mineffect = dimp->dmai_minxfer; 12427c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 12437c478bd9Sstevel@tonic-gate } 12447c478bd9Sstevel@tonic-gate 12457c478bd9Sstevel@tonic-gate int 12467c478bd9Sstevel@tonic-gate ddi_iomin(dev_info_t *a, int i, int stream) 12477c478bd9Sstevel@tonic-gate { 12487c478bd9Sstevel@tonic-gate int r; 12497c478bd9Sstevel@tonic-gate 12507c478bd9Sstevel@tonic-gate /* 12517c478bd9Sstevel@tonic-gate * Make sure that the initial value is sane 12527c478bd9Sstevel@tonic-gate */ 12537c478bd9Sstevel@tonic-gate if (i & (i - 1)) 12547c478bd9Sstevel@tonic-gate return (0); 12557c478bd9Sstevel@tonic-gate if (i == 0) 12567c478bd9Sstevel@tonic-gate i = (stream) ? 4 : 1; 12577c478bd9Sstevel@tonic-gate 12587c478bd9Sstevel@tonic-gate r = ddi_ctlops(a, a, 12597c478bd9Sstevel@tonic-gate DDI_CTLOPS_IOMIN, (void *)(uintptr_t)stream, (void *)&i); 12607c478bd9Sstevel@tonic-gate if (r != DDI_SUCCESS || (i & (i - 1))) 12617c478bd9Sstevel@tonic-gate return (0); 12627c478bd9Sstevel@tonic-gate return (i); 12637c478bd9Sstevel@tonic-gate } 12647c478bd9Sstevel@tonic-gate 12657c478bd9Sstevel@tonic-gate /* 12667c478bd9Sstevel@tonic-gate * Given two DMA attribute structures, apply the attributes 12677c478bd9Sstevel@tonic-gate * of one to the other, following the rules of attributes 12687c478bd9Sstevel@tonic-gate * and the wishes of the caller. 12697c478bd9Sstevel@tonic-gate * 12707c478bd9Sstevel@tonic-gate * The rules of DMA attribute structures are that you cannot 12717c478bd9Sstevel@tonic-gate * make things *less* restrictive as you apply one set 12727c478bd9Sstevel@tonic-gate * of attributes to another. 12737c478bd9Sstevel@tonic-gate * 12747c478bd9Sstevel@tonic-gate */ 12757c478bd9Sstevel@tonic-gate void 12767c478bd9Sstevel@tonic-gate ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod) 12777c478bd9Sstevel@tonic-gate { 12787c478bd9Sstevel@tonic-gate attr->dma_attr_addr_lo = 12797c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_addr_lo, mod->dma_attr_addr_lo); 12807c478bd9Sstevel@tonic-gate attr->dma_attr_addr_hi = 12817c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_addr_hi, mod->dma_attr_addr_hi); 12827c478bd9Sstevel@tonic-gate attr->dma_attr_count_max = 12837c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_count_max, mod->dma_attr_count_max); 12847c478bd9Sstevel@tonic-gate attr->dma_attr_align = 12857c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_align, mod->dma_attr_align); 12867c478bd9Sstevel@tonic-gate attr->dma_attr_burstsizes = 12877c478bd9Sstevel@tonic-gate (uint_t)(attr->dma_attr_burstsizes & mod->dma_attr_burstsizes); 12887c478bd9Sstevel@tonic-gate attr->dma_attr_minxfer = 12897c478bd9Sstevel@tonic-gate maxbit(attr->dma_attr_minxfer, mod->dma_attr_minxfer); 12907c478bd9Sstevel@tonic-gate attr->dma_attr_maxxfer = 12917c478bd9Sstevel@tonic-gate MIN(attr->dma_attr_maxxfer, mod->dma_attr_maxxfer); 12927c478bd9Sstevel@tonic-gate attr->dma_attr_seg = MIN(attr->dma_attr_seg, mod->dma_attr_seg); 12937c478bd9Sstevel@tonic-gate attr->dma_attr_sgllen = MIN((uint_t)attr->dma_attr_sgllen, 12947c478bd9Sstevel@tonic-gate (uint_t)mod->dma_attr_sgllen); 12957c478bd9Sstevel@tonic-gate attr->dma_attr_granular = 12967c478bd9Sstevel@tonic-gate MAX(attr->dma_attr_granular, mod->dma_attr_granular); 12977c478bd9Sstevel@tonic-gate } 12987c478bd9Sstevel@tonic-gate 12997c478bd9Sstevel@tonic-gate /* 13007c478bd9Sstevel@tonic-gate * mmap/segmap interface: 13017c478bd9Sstevel@tonic-gate */ 13027c478bd9Sstevel@tonic-gate 13037c478bd9Sstevel@tonic-gate /* 13047c478bd9Sstevel@tonic-gate * ddi_segmap: setup the default segment driver. Calls the drivers 13057c478bd9Sstevel@tonic-gate * XXmmap routine to validate the range to be mapped. 13067c478bd9Sstevel@tonic-gate * Return ENXIO of the range is not valid. Create 13077c478bd9Sstevel@tonic-gate * a seg_dev segment that contains all of the 13087c478bd9Sstevel@tonic-gate * necessary information and will reference the 13097c478bd9Sstevel@tonic-gate * default segment driver routines. It returns zero 13107c478bd9Sstevel@tonic-gate * on success or non-zero on failure. 13117c478bd9Sstevel@tonic-gate */ 13127c478bd9Sstevel@tonic-gate int 13137c478bd9Sstevel@tonic-gate ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 13147c478bd9Sstevel@tonic-gate uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp) 13157c478bd9Sstevel@tonic-gate { 13167c478bd9Sstevel@tonic-gate extern int spec_segmap(dev_t, off_t, struct as *, caddr_t *, 13177c478bd9Sstevel@tonic-gate off_t, uint_t, uint_t, uint_t, struct cred *); 13187c478bd9Sstevel@tonic-gate 13197c478bd9Sstevel@tonic-gate return (spec_segmap(dev, offset, asp, addrp, len, 13207c478bd9Sstevel@tonic-gate prot, maxprot, flags, credp)); 13217c478bd9Sstevel@tonic-gate } 13227c478bd9Sstevel@tonic-gate 13237c478bd9Sstevel@tonic-gate /* 13247c478bd9Sstevel@tonic-gate * ddi_map_fault: Resolve mappings at fault time. Used by segment 13257c478bd9Sstevel@tonic-gate * drivers. Allows each successive parent to resolve 13267c478bd9Sstevel@tonic-gate * address translations and add its mappings to the 13277c478bd9Sstevel@tonic-gate * mapping list supplied in the page structure. It 13287c478bd9Sstevel@tonic-gate * returns zero on success or non-zero on failure. 13297c478bd9Sstevel@tonic-gate */ 13307c478bd9Sstevel@tonic-gate 13317c478bd9Sstevel@tonic-gate int 13327c478bd9Sstevel@tonic-gate ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, 13337c478bd9Sstevel@tonic-gate caddr_t addr, struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock) 13347c478bd9Sstevel@tonic-gate { 13357c478bd9Sstevel@tonic-gate return (i_ddi_map_fault(dip, dip, hat, seg, addr, dp, pfn, prot, lock)); 13367c478bd9Sstevel@tonic-gate } 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate /* 13397c478bd9Sstevel@tonic-gate * ddi_device_mapping_check: Called from ddi_segmap_setup. 13407c478bd9Sstevel@tonic-gate * Invokes platform specific DDI to determine whether attributes specified 13417c478bd9Sstevel@tonic-gate * in attr(9s) are valid for the region of memory that will be made 13427c478bd9Sstevel@tonic-gate * available for direct access to user process via the mmap(2) system call. 13437c478bd9Sstevel@tonic-gate */ 13447c478bd9Sstevel@tonic-gate int 13457c478bd9Sstevel@tonic-gate ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 13467c478bd9Sstevel@tonic-gate uint_t rnumber, uint_t *hat_flags) 13477c478bd9Sstevel@tonic-gate { 13487c478bd9Sstevel@tonic-gate ddi_acc_handle_t handle; 13497c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 13507c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 13517c478bd9Sstevel@tonic-gate int result; 13527c478bd9Sstevel@tonic-gate dev_info_t *dip; 13537c478bd9Sstevel@tonic-gate 13547c478bd9Sstevel@tonic-gate /* 13557c478bd9Sstevel@tonic-gate * we use e_ddi_hold_devi_by_dev to search for the devi. We 13567c478bd9Sstevel@tonic-gate * release it immediately since it should already be held by 13577c478bd9Sstevel@tonic-gate * a devfs vnode. 13587c478bd9Sstevel@tonic-gate */ 13597c478bd9Sstevel@tonic-gate if ((dip = 13607c478bd9Sstevel@tonic-gate e_ddi_hold_devi_by_dev(dev, E_DDI_HOLD_DEVI_NOATTACH)) == NULL) 13617c478bd9Sstevel@tonic-gate return (-1); 13627c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* for e_ddi_hold_devi_by_dev() */ 13637c478bd9Sstevel@tonic-gate 13647c478bd9Sstevel@tonic-gate /* 13657c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data 13667c478bd9Sstevel@tonic-gate * access handle. 13677c478bd9Sstevel@tonic-gate */ 13687c478bd9Sstevel@tonic-gate handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 13697c478bd9Sstevel@tonic-gate if (handle == NULL) 13707c478bd9Sstevel@tonic-gate return (-1); 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(handle); 13737c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 13747c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 13757c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 13767c478bd9Sstevel@tonic-gate hp->ah_offset = 0; 13777c478bd9Sstevel@tonic-gate hp->ah_len = 0; 13787c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 13817c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 13827c478bd9Sstevel@tonic-gate */ 13837c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_HANDLE; 13847c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 13857c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 13867c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 13877c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 13887c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 13897c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 13907c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, 0, 0, NULL); 13917c478bd9Sstevel@tonic-gate 13927c478bd9Sstevel@tonic-gate /* 13937c478bd9Sstevel@tonic-gate * Region must be mappable, pick up flags from the framework. 13947c478bd9Sstevel@tonic-gate */ 13957c478bd9Sstevel@tonic-gate *hat_flags = hp->ah_hat_flags; 13967c478bd9Sstevel@tonic-gate 13977c478bd9Sstevel@tonic-gate impl_acc_hdl_free(handle); 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate /* 14007c478bd9Sstevel@tonic-gate * check for end result. 14017c478bd9Sstevel@tonic-gate */ 14027c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) 14037c478bd9Sstevel@tonic-gate return (-1); 14047c478bd9Sstevel@tonic-gate return (0); 14057c478bd9Sstevel@tonic-gate } 14067c478bd9Sstevel@tonic-gate 14077c478bd9Sstevel@tonic-gate 14087c478bd9Sstevel@tonic-gate /* 14097c478bd9Sstevel@tonic-gate * Property functions: See also, ddipropdefs.h. 14107c478bd9Sstevel@tonic-gate * 14117c478bd9Sstevel@tonic-gate * These functions are the framework for the property functions, 14127c478bd9Sstevel@tonic-gate * i.e. they support software defined properties. All implementation 14137c478bd9Sstevel@tonic-gate * specific property handling (i.e.: self-identifying devices and 14147c478bd9Sstevel@tonic-gate * PROM defined properties are handled in the implementation specific 14157c478bd9Sstevel@tonic-gate * functions (defined in ddi_implfuncs.h). 14167c478bd9Sstevel@tonic-gate */ 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate /* 14197c478bd9Sstevel@tonic-gate * nopropop: Shouldn't be called, right? 14207c478bd9Sstevel@tonic-gate */ 14217c478bd9Sstevel@tonic-gate int 14227c478bd9Sstevel@tonic-gate nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 14237c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 14247c478bd9Sstevel@tonic-gate { 14257c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, dip, prop_op, mod_flags, name, valuep, lengthp)) 14267c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 14277c478bd9Sstevel@tonic-gate } 14287c478bd9Sstevel@tonic-gate 14297c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 14307c478bd9Sstevel@tonic-gate int ddi_prop_debug_flag = 0; 14317c478bd9Sstevel@tonic-gate 14327c478bd9Sstevel@tonic-gate int 14337c478bd9Sstevel@tonic-gate ddi_prop_debug(int enable) 14347c478bd9Sstevel@tonic-gate { 14357c478bd9Sstevel@tonic-gate int prev = ddi_prop_debug_flag; 14367c478bd9Sstevel@tonic-gate 14377c478bd9Sstevel@tonic-gate if ((enable != 0) || (prev != 0)) 14387c478bd9Sstevel@tonic-gate printf("ddi_prop_debug: debugging %s\n", 14397c478bd9Sstevel@tonic-gate enable ? "enabled" : "disabled"); 14407c478bd9Sstevel@tonic-gate ddi_prop_debug_flag = enable; 14417c478bd9Sstevel@tonic-gate return (prev); 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * Search a property list for a match, if found return pointer 14487c478bd9Sstevel@tonic-gate * to matching prop struct, else return NULL. 14497c478bd9Sstevel@tonic-gate */ 14507c478bd9Sstevel@tonic-gate 14517c478bd9Sstevel@tonic-gate ddi_prop_t * 14527c478bd9Sstevel@tonic-gate i_ddi_prop_search(dev_t dev, char *name, uint_t flags, ddi_prop_t **list_head) 14537c478bd9Sstevel@tonic-gate { 14547c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14557c478bd9Sstevel@tonic-gate 14567c478bd9Sstevel@tonic-gate /* 14577c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 14589ac2ddeaScth * Search order defined by this search function is first matching 14599ac2ddeaScth * property with input dev == DDI_DEV_T_ANY matching any dev or 14609ac2ddeaScth * dev == propp->prop_dev, name == propp->name, and the correct 14619ac2ddeaScth * data type as specified in the flags. If a DDI_DEV_T_NONE dev 14629ac2ddeaScth * value made it this far then it implies a DDI_DEV_T_ANY search. 14637c478bd9Sstevel@tonic-gate */ 14649ac2ddeaScth if (dev == DDI_DEV_T_NONE) 14659ac2ddeaScth dev = DDI_DEV_T_ANY; 14667c478bd9Sstevel@tonic-gate 14677c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 14687c478bd9Sstevel@tonic-gate 14692cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 14707c478bd9Sstevel@tonic-gate continue; 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate if ((dev != DDI_DEV_T_ANY) && (propp->prop_dev != dev)) 14737c478bd9Sstevel@tonic-gate continue; 14747c478bd9Sstevel@tonic-gate 14757c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 14767c478bd9Sstevel@tonic-gate continue; 14777c478bd9Sstevel@tonic-gate 14787c478bd9Sstevel@tonic-gate return (propp); 14797c478bd9Sstevel@tonic-gate } 14807c478bd9Sstevel@tonic-gate 14817c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 14827c478bd9Sstevel@tonic-gate } 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate /* 14857c478bd9Sstevel@tonic-gate * Search for property within devnames structures 14867c478bd9Sstevel@tonic-gate */ 14877c478bd9Sstevel@tonic-gate ddi_prop_t * 14887c478bd9Sstevel@tonic-gate i_ddi_search_global_prop(dev_t dev, char *name, uint_t flags) 14897c478bd9Sstevel@tonic-gate { 14907c478bd9Sstevel@tonic-gate major_t major; 14917c478bd9Sstevel@tonic-gate struct devnames *dnp; 14927c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 14937c478bd9Sstevel@tonic-gate 14947c478bd9Sstevel@tonic-gate /* 14957c478bd9Sstevel@tonic-gate * Valid dev_t value is needed to index into the 14967c478bd9Sstevel@tonic-gate * correct devnames entry, therefore a dev_t 14977c478bd9Sstevel@tonic-gate * value of DDI_DEV_T_ANY is not appropriate. 14987c478bd9Sstevel@tonic-gate */ 14997c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_ANY); 15007c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY) { 15017c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 15027c478bd9Sstevel@tonic-gate } 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate major = getmajor(dev); 15057c478bd9Sstevel@tonic-gate dnp = &(devnamesp[major]); 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate if (dnp->dn_global_prop_ptr == NULL) 15087c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate for (propp = dnp->dn_global_prop_ptr->prop_list; 15137c478bd9Sstevel@tonic-gate propp != NULL; 15147c478bd9Sstevel@tonic-gate propp = (ddi_prop_t *)propp->prop_next) { 15157c478bd9Sstevel@tonic-gate 15162cd7878fScth if (!DDI_STRSAME(propp->prop_name, name)) 15177c478bd9Sstevel@tonic-gate continue; 15187c478bd9Sstevel@tonic-gate 15197c478bd9Sstevel@tonic-gate if ((!(flags & LDI_DEV_T_ANY)) && (propp->prop_dev != dev)) 15207c478bd9Sstevel@tonic-gate continue; 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate if (((propp->prop_flags & flags) & DDI_PROP_TYPE_MASK) == 0) 15237c478bd9Sstevel@tonic-gate continue; 15247c478bd9Sstevel@tonic-gate 15257c478bd9Sstevel@tonic-gate /* Property found, return it */ 15267c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15277c478bd9Sstevel@tonic-gate return (propp); 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 15317c478bd9Sstevel@tonic-gate return ((ddi_prop_t *)0); 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate 15347c478bd9Sstevel@tonic-gate static char prop_no_mem_msg[] = "can't allocate memory for ddi property <%s>"; 15357c478bd9Sstevel@tonic-gate 15367c478bd9Sstevel@tonic-gate /* 15377c478bd9Sstevel@tonic-gate * ddi_prop_search_global: 15387c478bd9Sstevel@tonic-gate * Search the global property list within devnames 15397c478bd9Sstevel@tonic-gate * for the named property. Return the encoded value. 15407c478bd9Sstevel@tonic-gate */ 15417c478bd9Sstevel@tonic-gate static int 15427c478bd9Sstevel@tonic-gate i_ddi_prop_search_global(dev_t dev, uint_t flags, char *name, 15437c478bd9Sstevel@tonic-gate void *valuep, uint_t *lengthp) 15447c478bd9Sstevel@tonic-gate { 15457c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15467c478bd9Sstevel@tonic-gate caddr_t buffer; 15477c478bd9Sstevel@tonic-gate 15487c478bd9Sstevel@tonic-gate propp = i_ddi_search_global_prop(dev, name, flags); 15497c478bd9Sstevel@tonic-gate 15507c478bd9Sstevel@tonic-gate /* Property NOT found, bail */ 15517c478bd9Sstevel@tonic-gate if (propp == (ddi_prop_t *)0) 15527c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) 15557c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 15567c478bd9Sstevel@tonic-gate 1557*3b756dd3Scth if ((buffer = kmem_alloc(propp->prop_len, 1558*3b756dd3Scth (flags & DDI_PROP_CANSLEEP) ? KM_SLEEP : KM_NOSLEEP)) == NULL) { 15597c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 15607c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 15617c478bd9Sstevel@tonic-gate } 15627c478bd9Sstevel@tonic-gate 15637c478bd9Sstevel@tonic-gate /* 15647c478bd9Sstevel@tonic-gate * Return the encoded data 15657c478bd9Sstevel@tonic-gate */ 15667c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 15677c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 15687c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate /* 15747c478bd9Sstevel@tonic-gate * ddi_prop_search_common: Lookup and return the encoded value 15757c478bd9Sstevel@tonic-gate */ 15767c478bd9Sstevel@tonic-gate int 15777c478bd9Sstevel@tonic-gate ddi_prop_search_common(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 15787c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *valuep, uint_t *lengthp) 15797c478bd9Sstevel@tonic-gate { 15807c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 15817c478bd9Sstevel@tonic-gate int i; 15827c478bd9Sstevel@tonic-gate caddr_t buffer; 15837c478bd9Sstevel@tonic-gate caddr_t prealloc = NULL; 15847c478bd9Sstevel@tonic-gate int plength = 0; 15857c478bd9Sstevel@tonic-gate dev_info_t *pdip; 15867c478bd9Sstevel@tonic-gate int (*bop)(); 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate /*CONSTANTCONDITION*/ 15897c478bd9Sstevel@tonic-gate while (1) { 15907c478bd9Sstevel@tonic-gate 15917c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 15927c478bd9Sstevel@tonic-gate 15937c478bd9Sstevel@tonic-gate 15947c478bd9Sstevel@tonic-gate /* 15957c478bd9Sstevel@tonic-gate * find the property in child's devinfo: 15967c478bd9Sstevel@tonic-gate * Search order is: 15977c478bd9Sstevel@tonic-gate * 1. driver defined properties 15987c478bd9Sstevel@tonic-gate * 2. system defined properties 15997c478bd9Sstevel@tonic-gate * 3. driver global properties 16007c478bd9Sstevel@tonic-gate * 4. boot defined properties 16017c478bd9Sstevel@tonic-gate */ 16027c478bd9Sstevel@tonic-gate 16037c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 16047c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_drv_prop_ptr)); 16057c478bd9Sstevel@tonic-gate if (propp == NULL) { 16067c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 16077c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_sys_prop_ptr)); 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate if ((propp == NULL) && DEVI(dip)->devi_global_prop_list) { 16107c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 16117c478bd9Sstevel@tonic-gate &DEVI(dip)->devi_global_prop_list->prop_list); 16127c478bd9Sstevel@tonic-gate } 16137c478bd9Sstevel@tonic-gate 16147c478bd9Sstevel@tonic-gate if (propp == NULL) { 16157c478bd9Sstevel@tonic-gate propp = i_ddi_prop_search(dev, name, flags, 16167c478bd9Sstevel@tonic-gate &(DEVI(dip)->devi_hw_prop_ptr)); 16177c478bd9Sstevel@tonic-gate } 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate /* 16207c478bd9Sstevel@tonic-gate * Software property found? 16217c478bd9Sstevel@tonic-gate */ 16227c478bd9Sstevel@tonic-gate if (propp != (ddi_prop_t *)0) { 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate /* 16257c478bd9Sstevel@tonic-gate * If explicit undefine, return now. 16267c478bd9Sstevel@tonic-gate */ 16277c478bd9Sstevel@tonic-gate if (propp->prop_flags & DDI_PROP_UNDEF_IT) { 16287c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16297c478bd9Sstevel@tonic-gate if (prealloc) 16307c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16317c478bd9Sstevel@tonic-gate return (DDI_PROP_UNDEFINED); 16327c478bd9Sstevel@tonic-gate } 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate /* 16357c478bd9Sstevel@tonic-gate * If we only want to know if it exists, return now 16367c478bd9Sstevel@tonic-gate */ 16377c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 16387c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16397c478bd9Sstevel@tonic-gate ASSERT(prealloc == NULL); 16407c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16417c478bd9Sstevel@tonic-gate } 16427c478bd9Sstevel@tonic-gate 16437c478bd9Sstevel@tonic-gate /* 16447c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, 16457c478bd9Sstevel@tonic-gate * service request and return now. 16467c478bd9Sstevel@tonic-gate */ 16477c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) ||(propp->prop_len == 0)) { 16487c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; 16497c478bd9Sstevel@tonic-gate 16507c478bd9Sstevel@tonic-gate /* 16517c478bd9Sstevel@tonic-gate * if prop_op is PROP_LEN_AND_VAL_ALLOC 16527c478bd9Sstevel@tonic-gate * that means prop_len is 0, so set valuep 16537c478bd9Sstevel@tonic-gate * also to NULL 16547c478bd9Sstevel@tonic-gate */ 16557c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN_AND_VAL_ALLOC) 16567c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = NULL; 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16597c478bd9Sstevel@tonic-gate if (prealloc) 16607c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16617c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 16627c478bd9Sstevel@tonic-gate } 16637c478bd9Sstevel@tonic-gate 16647c478bd9Sstevel@tonic-gate /* 16657c478bd9Sstevel@tonic-gate * If LEN_AND_VAL_ALLOC and the request can sleep, 16667c478bd9Sstevel@tonic-gate * drop the mutex, allocate the buffer, and go 16677c478bd9Sstevel@tonic-gate * through the loop again. If we already allocated 16687c478bd9Sstevel@tonic-gate * the buffer, and the size of the property changed, 16697c478bd9Sstevel@tonic-gate * keep trying... 16707c478bd9Sstevel@tonic-gate */ 16717c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN_AND_VAL_ALLOC) && 16727c478bd9Sstevel@tonic-gate (flags & DDI_PROP_CANSLEEP)) { 16737c478bd9Sstevel@tonic-gate if (prealloc && (propp->prop_len != plength)) { 16747c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 16757c478bd9Sstevel@tonic-gate prealloc = NULL; 16767c478bd9Sstevel@tonic-gate } 16777c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16787c478bd9Sstevel@tonic-gate plength = propp->prop_len; 16797c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 16807c478bd9Sstevel@tonic-gate prealloc = kmem_alloc(plength, 16817c478bd9Sstevel@tonic-gate KM_SLEEP); 16827c478bd9Sstevel@tonic-gate continue; 16837c478bd9Sstevel@tonic-gate } 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate /* 16877c478bd9Sstevel@tonic-gate * Allocate buffer, if required. Either way, 16887c478bd9Sstevel@tonic-gate * set `buffer' variable. 16897c478bd9Sstevel@tonic-gate */ 16907c478bd9Sstevel@tonic-gate i = *lengthp; /* Get callers length */ 16917c478bd9Sstevel@tonic-gate *lengthp = propp->prop_len; /* Set callers length */ 16927c478bd9Sstevel@tonic-gate 16937c478bd9Sstevel@tonic-gate switch (prop_op) { 16947c478bd9Sstevel@tonic-gate 16957c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 16967c478bd9Sstevel@tonic-gate 16977c478bd9Sstevel@tonic-gate if (prealloc == NULL) { 16987c478bd9Sstevel@tonic-gate buffer = kmem_alloc(propp->prop_len, 16997c478bd9Sstevel@tonic-gate KM_NOSLEEP); 17007c478bd9Sstevel@tonic-gate } else { 17017c478bd9Sstevel@tonic-gate buffer = prealloc; 17027c478bd9Sstevel@tonic-gate } 17037c478bd9Sstevel@tonic-gate 17047c478bd9Sstevel@tonic-gate if (buffer == NULL) { 17057c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17067c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 17077c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 17087c478bd9Sstevel@tonic-gate } 17097c478bd9Sstevel@tonic-gate /* Set callers buf ptr */ 17107c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 17117c478bd9Sstevel@tonic-gate break; 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 17147c478bd9Sstevel@tonic-gate 17157c478bd9Sstevel@tonic-gate if (propp->prop_len > (i)) { 17167c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17177c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 17187c478bd9Sstevel@tonic-gate } 17197c478bd9Sstevel@tonic-gate 17207c478bd9Sstevel@tonic-gate buffer = valuep; /* Get callers buf ptr */ 17217c478bd9Sstevel@tonic-gate break; 17227c478bd9Sstevel@tonic-gate 17237c478bd9Sstevel@tonic-gate default: 17247c478bd9Sstevel@tonic-gate break; 17257c478bd9Sstevel@tonic-gate } 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate /* 17287c478bd9Sstevel@tonic-gate * Do the copy. 17297c478bd9Sstevel@tonic-gate */ 17307c478bd9Sstevel@tonic-gate bcopy(propp->prop_val, buffer, propp->prop_len); 17317c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17327c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 17337c478bd9Sstevel@tonic-gate } 17347c478bd9Sstevel@tonic-gate 17357c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 17367c478bd9Sstevel@tonic-gate if (prealloc) 17377c478bd9Sstevel@tonic-gate kmem_free(prealloc, plength); 17387c478bd9Sstevel@tonic-gate prealloc = NULL; 17397c478bd9Sstevel@tonic-gate 17407c478bd9Sstevel@tonic-gate /* 17417c478bd9Sstevel@tonic-gate * Prop not found, call parent bus_ops to deal with possible 17427c478bd9Sstevel@tonic-gate * h/w layer (possible PROM defined props, etc.) and to 17437c478bd9Sstevel@tonic-gate * possibly ascend the hierarchy, if allowed by flags. 17447c478bd9Sstevel@tonic-gate */ 17457c478bd9Sstevel@tonic-gate pdip = (dev_info_t *)DEVI(dip)->devi_parent; 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate /* 17487c478bd9Sstevel@tonic-gate * One last call for the root driver PROM props? 17497c478bd9Sstevel@tonic-gate */ 17507c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 17517c478bd9Sstevel@tonic-gate return (ddi_bus_prop_op(dev, dip, dip, prop_op, 17527c478bd9Sstevel@tonic-gate flags, name, valuep, (int *)lengthp)); 17537c478bd9Sstevel@tonic-gate } 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate /* 17567c478bd9Sstevel@tonic-gate * We may have been called to check for properties 17577c478bd9Sstevel@tonic-gate * within a single devinfo node that has no parent - 17587c478bd9Sstevel@tonic-gate * see make_prop() 17597c478bd9Sstevel@tonic-gate */ 17607c478bd9Sstevel@tonic-gate if (pdip == NULL) { 17617c478bd9Sstevel@tonic-gate ASSERT((flags & 17627c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)) == 17637c478bd9Sstevel@tonic-gate (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM)); 17647c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 17657c478bd9Sstevel@tonic-gate } 17667c478bd9Sstevel@tonic-gate 17677c478bd9Sstevel@tonic-gate /* 17687c478bd9Sstevel@tonic-gate * Instead of recursing, we do iterative calls up the tree. 17697c478bd9Sstevel@tonic-gate * As a bit of optimization, skip the bus_op level if the 17707c478bd9Sstevel@tonic-gate * node is a s/w node and if the parent's bus_prop_op function 17717c478bd9Sstevel@tonic-gate * is `ddi_bus_prop_op', because we know that in this case, 17727c478bd9Sstevel@tonic-gate * this function does nothing. 17737c478bd9Sstevel@tonic-gate * 17747c478bd9Sstevel@tonic-gate * 4225415: If the parent isn't attached, or the child 17757c478bd9Sstevel@tonic-gate * hasn't been named by the parent yet, use the default 17767c478bd9Sstevel@tonic-gate * ddi_bus_prop_op as a proxy for the parent. This 17777c478bd9Sstevel@tonic-gate * allows property lookups in any child/parent state to 17787c478bd9Sstevel@tonic-gate * include 'prom' and inherited properties, even when 17797c478bd9Sstevel@tonic-gate * there are no drivers attached to the child or parent. 17807c478bd9Sstevel@tonic-gate */ 17817c478bd9Sstevel@tonic-gate 17827c478bd9Sstevel@tonic-gate bop = ddi_bus_prop_op; 17837c478bd9Sstevel@tonic-gate if ((i_ddi_node_state(pdip) == DS_READY) && 17847c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) >= DS_INITIALIZED)) 17857c478bd9Sstevel@tonic-gate bop = DEVI(pdip)->devi_ops->devo_bus_ops->bus_prop_op; 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate i = DDI_PROP_NOT_FOUND; 17887c478bd9Sstevel@tonic-gate 17897c478bd9Sstevel@tonic-gate if ((bop != ddi_bus_prop_op) || ndi_dev_is_prom_node(dip)) { 17907c478bd9Sstevel@tonic-gate i = (*bop)(dev, pdip, dip, prop_op, 17917c478bd9Sstevel@tonic-gate flags | DDI_PROP_DONTPASS, 17927c478bd9Sstevel@tonic-gate name, valuep, lengthp); 17937c478bd9Sstevel@tonic-gate } 17947c478bd9Sstevel@tonic-gate 17957c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_DONTPASS) || 17967c478bd9Sstevel@tonic-gate (i != DDI_PROP_NOT_FOUND)) 17977c478bd9Sstevel@tonic-gate return (i); 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate dip = pdip; 18007c478bd9Sstevel@tonic-gate } 18017c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 18027c478bd9Sstevel@tonic-gate } 18037c478bd9Sstevel@tonic-gate 18047c478bd9Sstevel@tonic-gate 18057c478bd9Sstevel@tonic-gate /* 18067c478bd9Sstevel@tonic-gate * ddi_prop_op: The basic property operator for drivers. 18077c478bd9Sstevel@tonic-gate * 18087c478bd9Sstevel@tonic-gate * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 18097c478bd9Sstevel@tonic-gate * 18107c478bd9Sstevel@tonic-gate * prop_op valuep 18117c478bd9Sstevel@tonic-gate * ------ ------ 18127c478bd9Sstevel@tonic-gate * 18137c478bd9Sstevel@tonic-gate * PROP_LEN <unused> 18147c478bd9Sstevel@tonic-gate * 18157c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 18167c478bd9Sstevel@tonic-gate * 18177c478bd9Sstevel@tonic-gate * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 18187c478bd9Sstevel@tonic-gate * address of allocated buffer, if successful) 18197c478bd9Sstevel@tonic-gate */ 18207c478bd9Sstevel@tonic-gate int 18217c478bd9Sstevel@tonic-gate ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 18227c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 18237c478bd9Sstevel@tonic-gate { 18247c478bd9Sstevel@tonic-gate int i; 18257c478bd9Sstevel@tonic-gate 18267c478bd9Sstevel@tonic-gate ASSERT((mod_flags & DDI_PROP_TYPE_MASK) == 0); 18277c478bd9Sstevel@tonic-gate 18287c478bd9Sstevel@tonic-gate /* 18297c478bd9Sstevel@tonic-gate * If this was originally an LDI prop lookup then we bail here. 18307c478bd9Sstevel@tonic-gate * The reason is that the LDI property lookup interfaces first call 18317c478bd9Sstevel@tonic-gate * a drivers prop_op() entry point to allow it to override 18327c478bd9Sstevel@tonic-gate * properties. But if we've made it here, then the driver hasn't 18337c478bd9Sstevel@tonic-gate * overriden any properties. We don't want to continue with the 18347c478bd9Sstevel@tonic-gate * property search here because we don't have any type inforamtion. 18357c478bd9Sstevel@tonic-gate * When we return failure, the LDI interfaces will then proceed to 18367c478bd9Sstevel@tonic-gate * call the typed property interfaces to look up the property. 18377c478bd9Sstevel@tonic-gate */ 18387c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_DYNAMIC) 18397c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 18407c478bd9Sstevel@tonic-gate 18417c478bd9Sstevel@tonic-gate /* 18427c478bd9Sstevel@tonic-gate * check for pre-typed property consumer asking for typed property: 18437c478bd9Sstevel@tonic-gate * see e_ddi_getprop_int64. 18447c478bd9Sstevel@tonic-gate */ 18457c478bd9Sstevel@tonic-gate if (mod_flags & DDI_PROP_CONSUMER_TYPED) 18467c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_INT64; 18477c478bd9Sstevel@tonic-gate mod_flags |= DDI_PROP_TYPE_ANY; 18487c478bd9Sstevel@tonic-gate 18497c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(dev, dip, prop_op, 18507c478bd9Sstevel@tonic-gate mod_flags, name, valuep, (uint_t *)lengthp); 18517c478bd9Sstevel@tonic-gate if (i == DDI_PROP_FOUND_1275) 18527c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 18537c478bd9Sstevel@tonic-gate return (i); 18547c478bd9Sstevel@tonic-gate } 18557c478bd9Sstevel@tonic-gate 18567c478bd9Sstevel@tonic-gate /* 18577c478bd9Sstevel@tonic-gate * ddi_prop_op_nblocks: The basic property operator for drivers that maintain 18587c478bd9Sstevel@tonic-gate * size in number of DEV_BSIZE blocks. Provides a dynamic property 18597c478bd9Sstevel@tonic-gate * implementation for size oriented properties based on nblocks64 values passed 18607c478bd9Sstevel@tonic-gate * in by the driver. Fallback to ddi_prop_op if the nblocks64 is too large. 18617c478bd9Sstevel@tonic-gate * This interface should not be used with a nblocks64 that represents the 18627c478bd9Sstevel@tonic-gate * driver's idea of how to represent unknown, if nblocks is unknown use 18637c478bd9Sstevel@tonic-gate * ddi_prop_op. 18647c478bd9Sstevel@tonic-gate */ 18657c478bd9Sstevel@tonic-gate int 18667c478bd9Sstevel@tonic-gate ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 18677c478bd9Sstevel@tonic-gate int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t nblocks64) 18687c478bd9Sstevel@tonic-gate { 18697c478bd9Sstevel@tonic-gate uint64_t size64; 18707c478bd9Sstevel@tonic-gate 18717c478bd9Sstevel@tonic-gate /* 18727c478bd9Sstevel@tonic-gate * There is no point in supporting nblocks64 values that don't have 18737c478bd9Sstevel@tonic-gate * an accurate uint64_t byte count representation. 18747c478bd9Sstevel@tonic-gate */ 18757c478bd9Sstevel@tonic-gate if (nblocks64 >= (UINT64_MAX >> DEV_BSHIFT)) 18767c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 18777c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 18787c478bd9Sstevel@tonic-gate 18797c478bd9Sstevel@tonic-gate size64 = nblocks64 << DEV_BSHIFT; 18807c478bd9Sstevel@tonic-gate return (ddi_prop_op_size(dev, dip, prop_op, mod_flags, 18817c478bd9Sstevel@tonic-gate name, valuep, lengthp, size64)); 18827c478bd9Sstevel@tonic-gate } 18837c478bd9Sstevel@tonic-gate 18847c478bd9Sstevel@tonic-gate /* 18857c478bd9Sstevel@tonic-gate * ddi_prop_op_size: The basic property operator for drivers that maintain size 18867c478bd9Sstevel@tonic-gate * in bytes. Provides a of dynamic property implementation for size oriented 18877c478bd9Sstevel@tonic-gate * properties based on size64 values passed in by the driver. Fallback to 18887c478bd9Sstevel@tonic-gate * ddi_prop_op if the size64 is too large. This interface should not be used 18897c478bd9Sstevel@tonic-gate * with a size64 that represents the driver's idea of how to represent unknown, 18907c478bd9Sstevel@tonic-gate * if size is unknown use ddi_prop_op. 18917c478bd9Sstevel@tonic-gate * 18927c478bd9Sstevel@tonic-gate * NOTE: the legacy "nblocks"/"size" properties are treated as 32-bit unsigned 18937c478bd9Sstevel@tonic-gate * integers. While the most likely interface to request them ([bc]devi_size) 18947c478bd9Sstevel@tonic-gate * is declared int (signed) there is no enforcement of this, which means we 18957c478bd9Sstevel@tonic-gate * can't enforce limitations here without risking regression. 18967c478bd9Sstevel@tonic-gate */ 18977c478bd9Sstevel@tonic-gate int 18987c478bd9Sstevel@tonic-gate ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 18997c478bd9Sstevel@tonic-gate int mod_flags, char *name, caddr_t valuep, int *lengthp, uint64_t size64) 19007c478bd9Sstevel@tonic-gate { 19017c478bd9Sstevel@tonic-gate uint64_t nblocks64; 19027c478bd9Sstevel@tonic-gate int callers_length; 19037c478bd9Sstevel@tonic-gate caddr_t buffer; 19047c478bd9Sstevel@tonic-gate 19057c478bd9Sstevel@tonic-gate /* compute DEV_BSIZE nblocks value */ 19067c478bd9Sstevel@tonic-gate nblocks64 = lbtodb(size64); 19077c478bd9Sstevel@tonic-gate 19087c478bd9Sstevel@tonic-gate /* get callers length, establish length of our dynamic properties */ 19097c478bd9Sstevel@tonic-gate callers_length = *lengthp; 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19127c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19137c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19147c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint64_t); 19157c478bd9Sstevel@tonic-gate else if ((strcmp(name, "nblocks") == 0) && (nblocks64 < UINT_MAX)) 19167c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 19177c478bd9Sstevel@tonic-gate else if ((strcmp(name, "size") == 0) && (size64 < UINT_MAX)) 19187c478bd9Sstevel@tonic-gate *lengthp = sizeof (uint32_t); 19197c478bd9Sstevel@tonic-gate else { 19207c478bd9Sstevel@tonic-gate /* fallback to ddi_prop_op */ 19217c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, prop_op, mod_flags, 19227c478bd9Sstevel@tonic-gate name, valuep, lengthp)); 19237c478bd9Sstevel@tonic-gate } 19247c478bd9Sstevel@tonic-gate 19257c478bd9Sstevel@tonic-gate /* service request for the length of the property */ 19267c478bd9Sstevel@tonic-gate if (prop_op == PROP_LEN) 19277c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate /* the length of the property and the request must match */ 19307c478bd9Sstevel@tonic-gate if (callers_length != *lengthp) 19317c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate switch (prop_op) { 19347c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 19357c478bd9Sstevel@tonic-gate if ((buffer = kmem_alloc(*lengthp, 19367c478bd9Sstevel@tonic-gate (mod_flags & DDI_PROP_CANSLEEP) ? 19377c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP)) == NULL) 19387c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 19397c478bd9Sstevel@tonic-gate 19407c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; /* set callers buf ptr */ 19417c478bd9Sstevel@tonic-gate break; 19427c478bd9Sstevel@tonic-gate 19437c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 19447c478bd9Sstevel@tonic-gate buffer = valuep; /* get callers buf ptr */ 19457c478bd9Sstevel@tonic-gate break; 19467c478bd9Sstevel@tonic-gate 19477c478bd9Sstevel@tonic-gate default: 19487c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 19497c478bd9Sstevel@tonic-gate } 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate /* transfer the value into the buffer */ 19527c478bd9Sstevel@tonic-gate if (strcmp(name, "Nblocks") == 0) 19537c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = nblocks64; 19547c478bd9Sstevel@tonic-gate else if (strcmp(name, "Size") == 0) 19557c478bd9Sstevel@tonic-gate *((uint64_t *)buffer) = size64; 19567c478bd9Sstevel@tonic-gate else if (strcmp(name, "nblocks") == 0) 19577c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)nblocks64; 19587c478bd9Sstevel@tonic-gate else if (strcmp(name, "size") == 0) 19597c478bd9Sstevel@tonic-gate *((uint32_t *)buffer) = (uint32_t)size64; 19607c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 19617c478bd9Sstevel@tonic-gate } 19627c478bd9Sstevel@tonic-gate 19637c478bd9Sstevel@tonic-gate /* 19647c478bd9Sstevel@tonic-gate * Variable length props... 19657c478bd9Sstevel@tonic-gate */ 19667c478bd9Sstevel@tonic-gate 19677c478bd9Sstevel@tonic-gate /* 19687c478bd9Sstevel@tonic-gate * ddi_getlongprop: Get variable length property len+val into a buffer 19697c478bd9Sstevel@tonic-gate * allocated by property provider via kmem_alloc. Requester 19707c478bd9Sstevel@tonic-gate * is responsible for freeing returned property via kmem_free. 19717c478bd9Sstevel@tonic-gate * 19727c478bd9Sstevel@tonic-gate * Arguments: 19737c478bd9Sstevel@tonic-gate * 19747c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 19757c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 19767c478bd9Sstevel@tonic-gate * flags: Input: Possible flag modifiers are: 19777c478bd9Sstevel@tonic-gate * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 19787c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Memory allocation may sleep. 19797c478bd9Sstevel@tonic-gate * name: Input: name of property. 19807c478bd9Sstevel@tonic-gate * valuep: Output: Addr of callers buffer pointer. 19817c478bd9Sstevel@tonic-gate * lengthp:Output: *lengthp will contain prop length on exit. 19827c478bd9Sstevel@tonic-gate * 19837c478bd9Sstevel@tonic-gate * Possible Returns: 19847c478bd9Sstevel@tonic-gate * 19857c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS: Prop found and returned. 19867c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND: Prop not found 19877c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED: Prop explicitly undefined. 19887c478bd9Sstevel@tonic-gate * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 19897c478bd9Sstevel@tonic-gate */ 19907c478bd9Sstevel@tonic-gate 19917c478bd9Sstevel@tonic-gate int 19927c478bd9Sstevel@tonic-gate ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 19937c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 19947c478bd9Sstevel@tonic-gate { 19957c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_ALLOC, 19967c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 19977c478bd9Sstevel@tonic-gate } 19987c478bd9Sstevel@tonic-gate 19997c478bd9Sstevel@tonic-gate /* 20007c478bd9Sstevel@tonic-gate * 20017c478bd9Sstevel@tonic-gate * ddi_getlongprop_buf: Get long prop into pre-allocated callers 20027c478bd9Sstevel@tonic-gate * buffer. (no memory allocation by provider). 20037c478bd9Sstevel@tonic-gate * 20047c478bd9Sstevel@tonic-gate * dev_t: Input: dev_t of property. 20057c478bd9Sstevel@tonic-gate * dip: Input: dev_info_t pointer of child. 20067c478bd9Sstevel@tonic-gate * flags: Input: DDI_PROP_DONTPASS or NULL 20077c478bd9Sstevel@tonic-gate * name: Input: name of property 20087c478bd9Sstevel@tonic-gate * valuep: Input: ptr to callers buffer. 20097c478bd9Sstevel@tonic-gate * lengthp:I/O: ptr to length of callers buffer on entry, 20107c478bd9Sstevel@tonic-gate * actual length of property on exit. 20117c478bd9Sstevel@tonic-gate * 20127c478bd9Sstevel@tonic-gate * Possible returns: 20137c478bd9Sstevel@tonic-gate * 20147c478bd9Sstevel@tonic-gate * DDI_PROP_SUCCESS Prop found and returned 20157c478bd9Sstevel@tonic-gate * DDI_PROP_NOT_FOUND Prop not found 20167c478bd9Sstevel@tonic-gate * DDI_PROP_UNDEFINED Prop explicitly undefined. 20177c478bd9Sstevel@tonic-gate * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 20187c478bd9Sstevel@tonic-gate * no value returned, but actual prop 20197c478bd9Sstevel@tonic-gate * length returned in *lengthp 20207c478bd9Sstevel@tonic-gate * 20217c478bd9Sstevel@tonic-gate */ 20227c478bd9Sstevel@tonic-gate 20237c478bd9Sstevel@tonic-gate int 20247c478bd9Sstevel@tonic-gate ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 20257c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 20267c478bd9Sstevel@tonic-gate { 20277c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20287c478bd9Sstevel@tonic-gate flags, name, valuep, lengthp)); 20297c478bd9Sstevel@tonic-gate } 20307c478bd9Sstevel@tonic-gate 20317c478bd9Sstevel@tonic-gate /* 20327c478bd9Sstevel@tonic-gate * Integer/boolean sized props. 20337c478bd9Sstevel@tonic-gate * 20347c478bd9Sstevel@tonic-gate * Call is value only... returns found boolean or int sized prop value or 20357c478bd9Sstevel@tonic-gate * defvalue if prop not found or is wrong length or is explicitly undefined. 20367c478bd9Sstevel@tonic-gate * Only flag is DDI_PROP_DONTPASS... 20377c478bd9Sstevel@tonic-gate * 20387c478bd9Sstevel@tonic-gate * By convention, this interface returns boolean (0) sized properties 20397c478bd9Sstevel@tonic-gate * as value (int)1. 20407c478bd9Sstevel@tonic-gate * 20417c478bd9Sstevel@tonic-gate * This never returns an error, if property not found or specifically 20427c478bd9Sstevel@tonic-gate * undefined, the input `defvalue' is returned. 20437c478bd9Sstevel@tonic-gate */ 20447c478bd9Sstevel@tonic-gate 20457c478bd9Sstevel@tonic-gate int 20467c478bd9Sstevel@tonic-gate ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue) 20477c478bd9Sstevel@tonic-gate { 20487c478bd9Sstevel@tonic-gate int propvalue = defvalue; 20497c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 20507c478bd9Sstevel@tonic-gate int error; 20517c478bd9Sstevel@tonic-gate 20527c478bd9Sstevel@tonic-gate error = ddi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF, 20537c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 20547c478bd9Sstevel@tonic-gate 20557c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 20567c478bd9Sstevel@tonic-gate propvalue = 1; 20577c478bd9Sstevel@tonic-gate 20587c478bd9Sstevel@tonic-gate return (propvalue); 20597c478bd9Sstevel@tonic-gate } 20607c478bd9Sstevel@tonic-gate 20617c478bd9Sstevel@tonic-gate /* 20627c478bd9Sstevel@tonic-gate * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 20637c478bd9Sstevel@tonic-gate * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 20647c478bd9Sstevel@tonic-gate */ 20657c478bd9Sstevel@tonic-gate 20667c478bd9Sstevel@tonic-gate int 20677c478bd9Sstevel@tonic-gate ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp) 20687c478bd9Sstevel@tonic-gate { 20697c478bd9Sstevel@tonic-gate return (ddi_prop_op(dev, dip, PROP_LEN, flags, name, NULL, lengthp)); 20707c478bd9Sstevel@tonic-gate } 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate /* 20737c478bd9Sstevel@tonic-gate * Allocate a struct prop_driver_data, along with 'size' bytes 20747c478bd9Sstevel@tonic-gate * for decoded property data. This structure is freed by 20757c478bd9Sstevel@tonic-gate * calling ddi_prop_free(9F). 20767c478bd9Sstevel@tonic-gate */ 20777c478bd9Sstevel@tonic-gate static void * 20787c478bd9Sstevel@tonic-gate ddi_prop_decode_alloc(size_t size, void (*prop_free)(struct prop_driver_data *)) 20797c478bd9Sstevel@tonic-gate { 20807c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 20817c478bd9Sstevel@tonic-gate 20827c478bd9Sstevel@tonic-gate /* 20837c478bd9Sstevel@tonic-gate * Allocate a structure with enough memory to store the decoded data. 20847c478bd9Sstevel@tonic-gate */ 20857c478bd9Sstevel@tonic-gate pdd = kmem_zalloc(sizeof (struct prop_driver_data) + size, KM_SLEEP); 20867c478bd9Sstevel@tonic-gate pdd->pdd_size = (sizeof (struct prop_driver_data) + size); 20877c478bd9Sstevel@tonic-gate pdd->pdd_prop_free = prop_free; 20887c478bd9Sstevel@tonic-gate 20897c478bd9Sstevel@tonic-gate /* 20907c478bd9Sstevel@tonic-gate * Return a pointer to the location to put the decoded data. 20917c478bd9Sstevel@tonic-gate */ 20927c478bd9Sstevel@tonic-gate return ((void *)((caddr_t)pdd + sizeof (struct prop_driver_data))); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate 20957c478bd9Sstevel@tonic-gate /* 20967c478bd9Sstevel@tonic-gate * Allocated the memory needed to store the encoded data in the property 20977c478bd9Sstevel@tonic-gate * handle. 20987c478bd9Sstevel@tonic-gate */ 20997c478bd9Sstevel@tonic-gate static int 21007c478bd9Sstevel@tonic-gate ddi_prop_encode_alloc(prop_handle_t *ph, size_t size) 21017c478bd9Sstevel@tonic-gate { 21027c478bd9Sstevel@tonic-gate /* 21037c478bd9Sstevel@tonic-gate * If size is zero, then set data to NULL and size to 0. This 21047c478bd9Sstevel@tonic-gate * is a boolean property. 21057c478bd9Sstevel@tonic-gate */ 21067c478bd9Sstevel@tonic-gate if (size == 0) { 21077c478bd9Sstevel@tonic-gate ph->ph_size = 0; 21087c478bd9Sstevel@tonic-gate ph->ph_data = NULL; 21097c478bd9Sstevel@tonic-gate ph->ph_cur_pos = NULL; 21107c478bd9Sstevel@tonic-gate ph->ph_save_pos = NULL; 21117c478bd9Sstevel@tonic-gate } else { 21127c478bd9Sstevel@tonic-gate if (ph->ph_flags == DDI_PROP_DONTSLEEP) { 21137c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_NOSLEEP); 21147c478bd9Sstevel@tonic-gate if (ph->ph_data == NULL) 21157c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 21167c478bd9Sstevel@tonic-gate } else 21177c478bd9Sstevel@tonic-gate ph->ph_data = kmem_zalloc(size, KM_SLEEP); 21187c478bd9Sstevel@tonic-gate ph->ph_size = size; 21197c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 21207c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 21217c478bd9Sstevel@tonic-gate } 21227c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 21237c478bd9Sstevel@tonic-gate } 21247c478bd9Sstevel@tonic-gate 21257c478bd9Sstevel@tonic-gate /* 21267c478bd9Sstevel@tonic-gate * Free the space allocated by the lookup routines. Each lookup routine 21277c478bd9Sstevel@tonic-gate * returns a pointer to the decoded data to the driver. The driver then 21287c478bd9Sstevel@tonic-gate * passes this pointer back to us. This data actually lives in a struct 21297c478bd9Sstevel@tonic-gate * prop_driver_data. We use negative indexing to find the beginning of 21307c478bd9Sstevel@tonic-gate * the structure and then free the entire structure using the size and 21317c478bd9Sstevel@tonic-gate * the free routine stored in the structure. 21327c478bd9Sstevel@tonic-gate */ 21337c478bd9Sstevel@tonic-gate void 21347c478bd9Sstevel@tonic-gate ddi_prop_free(void *datap) 21357c478bd9Sstevel@tonic-gate { 21367c478bd9Sstevel@tonic-gate struct prop_driver_data *pdd; 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate /* 21397c478bd9Sstevel@tonic-gate * Get the structure 21407c478bd9Sstevel@tonic-gate */ 21417c478bd9Sstevel@tonic-gate pdd = (struct prop_driver_data *) 21427c478bd9Sstevel@tonic-gate ((caddr_t)datap - sizeof (struct prop_driver_data)); 21437c478bd9Sstevel@tonic-gate /* 21447c478bd9Sstevel@tonic-gate * Call the free routine to free it 21457c478bd9Sstevel@tonic-gate */ 21467c478bd9Sstevel@tonic-gate (*pdd->pdd_prop_free)(pdd); 21477c478bd9Sstevel@tonic-gate } 21487c478bd9Sstevel@tonic-gate 21497c478bd9Sstevel@tonic-gate /* 21507c478bd9Sstevel@tonic-gate * Free the data associated with an array of ints, 21517c478bd9Sstevel@tonic-gate * allocated with ddi_prop_decode_alloc(). 21527c478bd9Sstevel@tonic-gate */ 21537c478bd9Sstevel@tonic-gate static void 21547c478bd9Sstevel@tonic-gate ddi_prop_free_ints(struct prop_driver_data *pdd) 21557c478bd9Sstevel@tonic-gate { 21567c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21577c478bd9Sstevel@tonic-gate } 21587c478bd9Sstevel@tonic-gate 21597c478bd9Sstevel@tonic-gate /* 21607c478bd9Sstevel@tonic-gate * Free a single string property or a single string contained within 21617c478bd9Sstevel@tonic-gate * the argv style return value of an array of strings. 21627c478bd9Sstevel@tonic-gate */ 21637c478bd9Sstevel@tonic-gate static void 21647c478bd9Sstevel@tonic-gate ddi_prop_free_string(struct prop_driver_data *pdd) 21657c478bd9Sstevel@tonic-gate { 21667c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21677c478bd9Sstevel@tonic-gate 21687c478bd9Sstevel@tonic-gate } 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate /* 21717c478bd9Sstevel@tonic-gate * Free an array of strings. 21727c478bd9Sstevel@tonic-gate */ 21737c478bd9Sstevel@tonic-gate static void 21747c478bd9Sstevel@tonic-gate ddi_prop_free_strings(struct prop_driver_data *pdd) 21757c478bd9Sstevel@tonic-gate { 21767c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21777c478bd9Sstevel@tonic-gate } 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate /* 21807c478bd9Sstevel@tonic-gate * Free the data associated with an array of bytes. 21817c478bd9Sstevel@tonic-gate */ 21827c478bd9Sstevel@tonic-gate static void 21837c478bd9Sstevel@tonic-gate ddi_prop_free_bytes(struct prop_driver_data *pdd) 21847c478bd9Sstevel@tonic-gate { 21857c478bd9Sstevel@tonic-gate kmem_free(pdd, pdd->pdd_size); 21867c478bd9Sstevel@tonic-gate } 21877c478bd9Sstevel@tonic-gate 21887c478bd9Sstevel@tonic-gate /* 21897c478bd9Sstevel@tonic-gate * Reset the current location pointer in the property handle to the 21907c478bd9Sstevel@tonic-gate * beginning of the data. 21917c478bd9Sstevel@tonic-gate */ 21927c478bd9Sstevel@tonic-gate void 21937c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(prop_handle_t *ph) 21947c478bd9Sstevel@tonic-gate { 21957c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_data; 21967c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_data; 21977c478bd9Sstevel@tonic-gate } 21987c478bd9Sstevel@tonic-gate 21997c478bd9Sstevel@tonic-gate /* 22007c478bd9Sstevel@tonic-gate * Restore the current location pointer in the property handle to the 22017c478bd9Sstevel@tonic-gate * saved position. 22027c478bd9Sstevel@tonic-gate */ 22037c478bd9Sstevel@tonic-gate void 22047c478bd9Sstevel@tonic-gate ddi_prop_save_pos(prop_handle_t *ph) 22057c478bd9Sstevel@tonic-gate { 22067c478bd9Sstevel@tonic-gate ph->ph_save_pos = ph->ph_cur_pos; 22077c478bd9Sstevel@tonic-gate } 22087c478bd9Sstevel@tonic-gate 22097c478bd9Sstevel@tonic-gate /* 22107c478bd9Sstevel@tonic-gate * Save the location that the current location pointer is pointing to.. 22117c478bd9Sstevel@tonic-gate */ 22127c478bd9Sstevel@tonic-gate void 22137c478bd9Sstevel@tonic-gate ddi_prop_restore_pos(prop_handle_t *ph) 22147c478bd9Sstevel@tonic-gate { 22157c478bd9Sstevel@tonic-gate ph->ph_cur_pos = ph->ph_save_pos; 22167c478bd9Sstevel@tonic-gate } 22177c478bd9Sstevel@tonic-gate 22187c478bd9Sstevel@tonic-gate /* 22197c478bd9Sstevel@tonic-gate * Property encode/decode functions 22207c478bd9Sstevel@tonic-gate */ 22217c478bd9Sstevel@tonic-gate 22227c478bd9Sstevel@tonic-gate /* 22237c478bd9Sstevel@tonic-gate * Decode a single integer property 22247c478bd9Sstevel@tonic-gate */ 22257c478bd9Sstevel@tonic-gate static int 22267c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int(prop_handle_t *ph, void *data, uint_t *nelements) 22277c478bd9Sstevel@tonic-gate { 22287c478bd9Sstevel@tonic-gate int i; 22297c478bd9Sstevel@tonic-gate int tmp; 22307c478bd9Sstevel@tonic-gate 22317c478bd9Sstevel@tonic-gate /* 22327c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22337c478bd9Sstevel@tonic-gate */ 22347c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22357c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22367c478bd9Sstevel@tonic-gate 22377c478bd9Sstevel@tonic-gate /* 22387c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 22397c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 22407c478bd9Sstevel@tonic-gate */ 22417c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, &tmp); 22427c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 22437c478bd9Sstevel@tonic-gate switch (i) { 22447c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 22457c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22467c478bd9Sstevel@tonic-gate 22477c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 22487c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 22497c478bd9Sstevel@tonic-gate } 22507c478bd9Sstevel@tonic-gate } 22517c478bd9Sstevel@tonic-gate 22527c478bd9Sstevel@tonic-gate *(int *)data = tmp; 22537c478bd9Sstevel@tonic-gate *nelements = 1; 22547c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 22557c478bd9Sstevel@tonic-gate } 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate /* 22587c478bd9Sstevel@tonic-gate * Decode a single 64 bit integer property 22597c478bd9Sstevel@tonic-gate */ 22607c478bd9Sstevel@tonic-gate static int 22617c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64(prop_handle_t *ph, void *data, uint_t *nelements) 22627c478bd9Sstevel@tonic-gate { 22637c478bd9Sstevel@tonic-gate int i; 22647c478bd9Sstevel@tonic-gate int64_t tmp; 22657c478bd9Sstevel@tonic-gate 22667c478bd9Sstevel@tonic-gate /* 22677c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 22687c478bd9Sstevel@tonic-gate */ 22697c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 22707c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22717c478bd9Sstevel@tonic-gate 22727c478bd9Sstevel@tonic-gate /* 22737c478bd9Sstevel@tonic-gate * Decode the property as a single integer and return it 22747c478bd9Sstevel@tonic-gate * in data if we were able to decode it. 22757c478bd9Sstevel@tonic-gate */ 22767c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, &tmp); 22777c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 22787c478bd9Sstevel@tonic-gate switch (i) { 22797c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 22807c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 22817c478bd9Sstevel@tonic-gate 22827c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 22837c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate } 22867c478bd9Sstevel@tonic-gate 22877c478bd9Sstevel@tonic-gate *(int64_t *)data = tmp; 22887c478bd9Sstevel@tonic-gate *nelements = 1; 22897c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 22907c478bd9Sstevel@tonic-gate } 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate /* 22937c478bd9Sstevel@tonic-gate * Decode an array of integers property 22947c478bd9Sstevel@tonic-gate */ 22957c478bd9Sstevel@tonic-gate static int 22967c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_ints(prop_handle_t *ph, void *data, uint_t *nelements) 22977c478bd9Sstevel@tonic-gate { 22987c478bd9Sstevel@tonic-gate int i; 22997c478bd9Sstevel@tonic-gate int cnt = 0; 23007c478bd9Sstevel@tonic-gate int *tmp; 23017c478bd9Sstevel@tonic-gate int *intp; 23027c478bd9Sstevel@tonic-gate int n; 23037c478bd9Sstevel@tonic-gate 23047c478bd9Sstevel@tonic-gate /* 23057c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 23067c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 23077c478bd9Sstevel@tonic-gate */ 23087c478bd9Sstevel@tonic-gate for (;;) { 23097c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_SKIP, NULL); 23107c478bd9Sstevel@tonic-gate if (i < 0) 23117c478bd9Sstevel@tonic-gate break; 23127c478bd9Sstevel@tonic-gate cnt++; 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate /* 23167c478bd9Sstevel@tonic-gate * If there are no elements return an error 23177c478bd9Sstevel@tonic-gate */ 23187c478bd9Sstevel@tonic-gate if (cnt == 0) 23197c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23207c478bd9Sstevel@tonic-gate 23217c478bd9Sstevel@tonic-gate /* 23227c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 23237c478bd9Sstevel@tonic-gate */ 23247c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 23257c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23267c478bd9Sstevel@tonic-gate 23277c478bd9Sstevel@tonic-gate /* 23287c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 23297c478bd9Sstevel@tonic-gate */ 23307c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 23317c478bd9Sstevel@tonic-gate 23327c478bd9Sstevel@tonic-gate /* 23337c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 23347c478bd9Sstevel@tonic-gate */ 23357c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int)), 23367c478bd9Sstevel@tonic-gate ddi_prop_free_ints); 23377c478bd9Sstevel@tonic-gate 23387c478bd9Sstevel@tonic-gate /* 23397c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 23407c478bd9Sstevel@tonic-gate */ 23417c478bd9Sstevel@tonic-gate tmp = intp; 23427c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 23437c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_DECODE, tmp); 23447c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 23457c478bd9Sstevel@tonic-gate /* 23467c478bd9Sstevel@tonic-gate * Free the space we just allocated 23477c478bd9Sstevel@tonic-gate * and return an error. 23487c478bd9Sstevel@tonic-gate */ 23497c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 23507c478bd9Sstevel@tonic-gate switch (i) { 23517c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 23527c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23537c478bd9Sstevel@tonic-gate 23547c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 23557c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 23567c478bd9Sstevel@tonic-gate } 23577c478bd9Sstevel@tonic-gate } 23587c478bd9Sstevel@tonic-gate } 23597c478bd9Sstevel@tonic-gate 23607c478bd9Sstevel@tonic-gate *nelements = cnt; 23617c478bd9Sstevel@tonic-gate *(int **)data = intp; 23627c478bd9Sstevel@tonic-gate 23637c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 23647c478bd9Sstevel@tonic-gate } 23657c478bd9Sstevel@tonic-gate 23667c478bd9Sstevel@tonic-gate /* 23677c478bd9Sstevel@tonic-gate * Decode a 64 bit integer array property 23687c478bd9Sstevel@tonic-gate */ 23697c478bd9Sstevel@tonic-gate static int 23707c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int64_array(prop_handle_t *ph, void *data, uint_t *nelements) 23717c478bd9Sstevel@tonic-gate { 23727c478bd9Sstevel@tonic-gate int i; 23737c478bd9Sstevel@tonic-gate int n; 23747c478bd9Sstevel@tonic-gate int cnt = 0; 23757c478bd9Sstevel@tonic-gate int64_t *tmp; 23767c478bd9Sstevel@tonic-gate int64_t *intp; 23777c478bd9Sstevel@tonic-gate 23787c478bd9Sstevel@tonic-gate /* 23797c478bd9Sstevel@tonic-gate * Count the number of array elements by going 23807c478bd9Sstevel@tonic-gate * through the data without decoding it. 23817c478bd9Sstevel@tonic-gate */ 23827c478bd9Sstevel@tonic-gate for (;;) { 23837c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_SKIP, NULL); 23847c478bd9Sstevel@tonic-gate if (i < 0) 23857c478bd9Sstevel@tonic-gate break; 23867c478bd9Sstevel@tonic-gate cnt++; 23877c478bd9Sstevel@tonic-gate } 23887c478bd9Sstevel@tonic-gate 23897c478bd9Sstevel@tonic-gate /* 23907c478bd9Sstevel@tonic-gate * If there are no elements return an error 23917c478bd9Sstevel@tonic-gate */ 23927c478bd9Sstevel@tonic-gate if (cnt == 0) 23937c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate /* 23967c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 23977c478bd9Sstevel@tonic-gate */ 23987c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 23997c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24007c478bd9Sstevel@tonic-gate 24017c478bd9Sstevel@tonic-gate /* 24027c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 24037c478bd9Sstevel@tonic-gate */ 24047c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 24057c478bd9Sstevel@tonic-gate 24067c478bd9Sstevel@tonic-gate /* 24077c478bd9Sstevel@tonic-gate * Allocate memory to store the decoded value. 24087c478bd9Sstevel@tonic-gate */ 24097c478bd9Sstevel@tonic-gate intp = ddi_prop_decode_alloc((cnt * sizeof (int64_t)), 24107c478bd9Sstevel@tonic-gate ddi_prop_free_ints); 24117c478bd9Sstevel@tonic-gate 24127c478bd9Sstevel@tonic-gate /* 24137c478bd9Sstevel@tonic-gate * Decode each element and place it in the space allocated 24147c478bd9Sstevel@tonic-gate */ 24157c478bd9Sstevel@tonic-gate tmp = intp; 24167c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++, tmp++) { 24177c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_DECODE, tmp); 24187c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 24197c478bd9Sstevel@tonic-gate /* 24207c478bd9Sstevel@tonic-gate * Free the space we just allocated 24217c478bd9Sstevel@tonic-gate * and return an error. 24227c478bd9Sstevel@tonic-gate */ 24237c478bd9Sstevel@tonic-gate ddi_prop_free(intp); 24247c478bd9Sstevel@tonic-gate switch (i) { 24257c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24267c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24297c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 24307c478bd9Sstevel@tonic-gate } 24317c478bd9Sstevel@tonic-gate } 24327c478bd9Sstevel@tonic-gate } 24337c478bd9Sstevel@tonic-gate 24347c478bd9Sstevel@tonic-gate *nelements = cnt; 24357c478bd9Sstevel@tonic-gate *(int64_t **)data = intp; 24367c478bd9Sstevel@tonic-gate 24377c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 24387c478bd9Sstevel@tonic-gate } 24397c478bd9Sstevel@tonic-gate 24407c478bd9Sstevel@tonic-gate /* 24417c478bd9Sstevel@tonic-gate * Encode an array of integers property (Can be one element) 24427c478bd9Sstevel@tonic-gate */ 24437c478bd9Sstevel@tonic-gate int 24447c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_ints(prop_handle_t *ph, void *data, uint_t nelements) 24457c478bd9Sstevel@tonic-gate { 24467c478bd9Sstevel@tonic-gate int i; 24477c478bd9Sstevel@tonic-gate int *tmp; 24487c478bd9Sstevel@tonic-gate int cnt; 24497c478bd9Sstevel@tonic-gate int size; 24507c478bd9Sstevel@tonic-gate 24517c478bd9Sstevel@tonic-gate /* 24527c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 24537c478bd9Sstevel@tonic-gate */ 24547c478bd9Sstevel@tonic-gate if (nelements == 0) 24557c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate /* 24587c478bd9Sstevel@tonic-gate * Get the size of an encoded int. 24597c478bd9Sstevel@tonic-gate */ 24607c478bd9Sstevel@tonic-gate size = DDI_PROP_INT(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 24617c478bd9Sstevel@tonic-gate 24627c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 24637c478bd9Sstevel@tonic-gate switch (size) { 24647c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24657c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24687c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24697c478bd9Sstevel@tonic-gate } 24707c478bd9Sstevel@tonic-gate } 24717c478bd9Sstevel@tonic-gate 24727c478bd9Sstevel@tonic-gate /* 24737c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 24747c478bd9Sstevel@tonic-gate */ 24757c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 24767c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) 24777c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 24787c478bd9Sstevel@tonic-gate 24797c478bd9Sstevel@tonic-gate /* 24807c478bd9Sstevel@tonic-gate * Encode the array of ints. 24817c478bd9Sstevel@tonic-gate */ 24827c478bd9Sstevel@tonic-gate tmp = (int *)data; 24837c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 24847c478bd9Sstevel@tonic-gate i = DDI_PROP_INT(ph, DDI_PROP_CMD_ENCODE, tmp); 24857c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 24867c478bd9Sstevel@tonic-gate switch (i) { 24877c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 24887c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 24917c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 24927c478bd9Sstevel@tonic-gate } 24937c478bd9Sstevel@tonic-gate } 24947c478bd9Sstevel@tonic-gate } 24957c478bd9Sstevel@tonic-gate 24967c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 24977c478bd9Sstevel@tonic-gate } 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate 25007c478bd9Sstevel@tonic-gate /* 25017c478bd9Sstevel@tonic-gate * Encode a 64 bit integer array property 25027c478bd9Sstevel@tonic-gate */ 25037c478bd9Sstevel@tonic-gate int 25047c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_int64(prop_handle_t *ph, void *data, uint_t nelements) 25057c478bd9Sstevel@tonic-gate { 25067c478bd9Sstevel@tonic-gate int i; 25077c478bd9Sstevel@tonic-gate int cnt; 25087c478bd9Sstevel@tonic-gate int size; 25097c478bd9Sstevel@tonic-gate int64_t *tmp; 25107c478bd9Sstevel@tonic-gate 25117c478bd9Sstevel@tonic-gate /* 25127c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 25137c478bd9Sstevel@tonic-gate */ 25147c478bd9Sstevel@tonic-gate if (nelements == 0) 25157c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25167c478bd9Sstevel@tonic-gate 25177c478bd9Sstevel@tonic-gate /* 25187c478bd9Sstevel@tonic-gate * Get the size of an encoded 64 bit int. 25197c478bd9Sstevel@tonic-gate */ 25207c478bd9Sstevel@tonic-gate size = DDI_PROP_INT64(ph, DDI_PROP_CMD_GET_ESIZE, NULL); 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 25237c478bd9Sstevel@tonic-gate switch (size) { 25247c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25257c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25267c478bd9Sstevel@tonic-gate 25277c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25287c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25297c478bd9Sstevel@tonic-gate } 25307c478bd9Sstevel@tonic-gate } 25317c478bd9Sstevel@tonic-gate 25327c478bd9Sstevel@tonic-gate /* 25337c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded int. 25347c478bd9Sstevel@tonic-gate */ 25357c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size * nelements) != 25367c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) 25377c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 25387c478bd9Sstevel@tonic-gate 25397c478bd9Sstevel@tonic-gate /* 25407c478bd9Sstevel@tonic-gate * Encode the array of ints. 25417c478bd9Sstevel@tonic-gate */ 25427c478bd9Sstevel@tonic-gate tmp = (int64_t *)data; 25437c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 25447c478bd9Sstevel@tonic-gate i = DDI_PROP_INT64(ph, DDI_PROP_CMD_ENCODE, tmp); 25457c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 25467c478bd9Sstevel@tonic-gate switch (i) { 25477c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25487c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25497c478bd9Sstevel@tonic-gate 25507c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25517c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 25527c478bd9Sstevel@tonic-gate } 25537c478bd9Sstevel@tonic-gate } 25547c478bd9Sstevel@tonic-gate } 25557c478bd9Sstevel@tonic-gate 25567c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 25577c478bd9Sstevel@tonic-gate } 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate /* 25607c478bd9Sstevel@tonic-gate * Decode a single string property 25617c478bd9Sstevel@tonic-gate */ 25627c478bd9Sstevel@tonic-gate static int 25637c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_string(prop_handle_t *ph, void *data, uint_t *nelements) 25647c478bd9Sstevel@tonic-gate { 25657c478bd9Sstevel@tonic-gate char *tmp; 25667c478bd9Sstevel@tonic-gate char *str; 25677c478bd9Sstevel@tonic-gate int i; 25687c478bd9Sstevel@tonic-gate int size; 25697c478bd9Sstevel@tonic-gate 25707c478bd9Sstevel@tonic-gate /* 25717c478bd9Sstevel@tonic-gate * If there is nothing to decode return an error 25727c478bd9Sstevel@tonic-gate */ 25737c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 25747c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate /* 25777c478bd9Sstevel@tonic-gate * Get the decoded size of the encoded string. 25787c478bd9Sstevel@tonic-gate */ 25797c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 25807c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 25817c478bd9Sstevel@tonic-gate switch (size) { 25827c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 25837c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 25867c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 25877c478bd9Sstevel@tonic-gate } 25887c478bd9Sstevel@tonic-gate } 25897c478bd9Sstevel@tonic-gate 25907c478bd9Sstevel@tonic-gate /* 25917c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 25927c478bd9Sstevel@tonic-gate */ 25937c478bd9Sstevel@tonic-gate str = ddi_prop_decode_alloc((size_t)size, ddi_prop_free_string); 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 25967c478bd9Sstevel@tonic-gate 25977c478bd9Sstevel@tonic-gate /* 25987c478bd9Sstevel@tonic-gate * Decode the str and place it in the space we just allocated 25997c478bd9Sstevel@tonic-gate */ 26007c478bd9Sstevel@tonic-gate tmp = str; 26017c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, tmp); 26027c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 26037c478bd9Sstevel@tonic-gate /* 26047c478bd9Sstevel@tonic-gate * Free the space we just allocated 26057c478bd9Sstevel@tonic-gate * and return an error. 26067c478bd9Sstevel@tonic-gate */ 26077c478bd9Sstevel@tonic-gate ddi_prop_free(str); 26087c478bd9Sstevel@tonic-gate switch (i) { 26097c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26107c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26117c478bd9Sstevel@tonic-gate 26127c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26137c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26147c478bd9Sstevel@tonic-gate } 26157c478bd9Sstevel@tonic-gate } 26167c478bd9Sstevel@tonic-gate 26177c478bd9Sstevel@tonic-gate *(char **)data = str; 26187c478bd9Sstevel@tonic-gate *nelements = 1; 26197c478bd9Sstevel@tonic-gate 26207c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 26217c478bd9Sstevel@tonic-gate } 26227c478bd9Sstevel@tonic-gate 26237c478bd9Sstevel@tonic-gate /* 26247c478bd9Sstevel@tonic-gate * Decode an array of strings. 26257c478bd9Sstevel@tonic-gate */ 26267c478bd9Sstevel@tonic-gate int 26277c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_strings(prop_handle_t *ph, void *data, uint_t *nelements) 26287c478bd9Sstevel@tonic-gate { 26297c478bd9Sstevel@tonic-gate int cnt = 0; 26307c478bd9Sstevel@tonic-gate char **strs; 26317c478bd9Sstevel@tonic-gate char **tmp; 26327c478bd9Sstevel@tonic-gate char *ptr; 26337c478bd9Sstevel@tonic-gate int i; 26347c478bd9Sstevel@tonic-gate int n; 26357c478bd9Sstevel@tonic-gate int size; 26367c478bd9Sstevel@tonic-gate size_t nbytes; 26377c478bd9Sstevel@tonic-gate 26387c478bd9Sstevel@tonic-gate /* 26397c478bd9Sstevel@tonic-gate * Figure out how many array elements there are by going through the 26407c478bd9Sstevel@tonic-gate * data without decoding it first and counting. 26417c478bd9Sstevel@tonic-gate */ 26427c478bd9Sstevel@tonic-gate for (;;) { 26437c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_SKIP, NULL); 26447c478bd9Sstevel@tonic-gate if (i < 0) 26457c478bd9Sstevel@tonic-gate break; 26467c478bd9Sstevel@tonic-gate cnt++; 26477c478bd9Sstevel@tonic-gate } 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate /* 26507c478bd9Sstevel@tonic-gate * If there are no elements return an error 26517c478bd9Sstevel@tonic-gate */ 26527c478bd9Sstevel@tonic-gate if (cnt == 0) 26537c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26547c478bd9Sstevel@tonic-gate 26557c478bd9Sstevel@tonic-gate /* 26567c478bd9Sstevel@tonic-gate * If we cannot skip through the data, we cannot decode it 26577c478bd9Sstevel@tonic-gate */ 26587c478bd9Sstevel@tonic-gate if (i == DDI_PROP_RESULT_ERROR) 26597c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26607c478bd9Sstevel@tonic-gate 26617c478bd9Sstevel@tonic-gate /* 26627c478bd9Sstevel@tonic-gate * Reset the data pointer to the beginning of the encoded data 26637c478bd9Sstevel@tonic-gate */ 26647c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26657c478bd9Sstevel@tonic-gate 26667c478bd9Sstevel@tonic-gate /* 26677c478bd9Sstevel@tonic-gate * Figure out how much memory we need for the sum total 26687c478bd9Sstevel@tonic-gate */ 26697c478bd9Sstevel@tonic-gate nbytes = (cnt + 1) * sizeof (char *); 26707c478bd9Sstevel@tonic-gate 26717c478bd9Sstevel@tonic-gate for (n = 0; n < cnt; n++) { 26727c478bd9Sstevel@tonic-gate /* 26737c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 26747c478bd9Sstevel@tonic-gate */ 26757c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 26767c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 26777c478bd9Sstevel@tonic-gate switch (size) { 26787c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 26797c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 26807c478bd9Sstevel@tonic-gate 26817c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 26827c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 26837c478bd9Sstevel@tonic-gate } 26847c478bd9Sstevel@tonic-gate } 26857c478bd9Sstevel@tonic-gate 26867c478bd9Sstevel@tonic-gate nbytes += size; 26877c478bd9Sstevel@tonic-gate } 26887c478bd9Sstevel@tonic-gate 26897c478bd9Sstevel@tonic-gate /* 26907c478bd9Sstevel@tonic-gate * Allocate memory in which to store the decoded strings. 26917c478bd9Sstevel@tonic-gate */ 26927c478bd9Sstevel@tonic-gate strs = ddi_prop_decode_alloc(nbytes, ddi_prop_free_strings); 26937c478bd9Sstevel@tonic-gate 26947c478bd9Sstevel@tonic-gate /* 26957c478bd9Sstevel@tonic-gate * Set up pointers for each string by figuring out yet 26967c478bd9Sstevel@tonic-gate * again how long each string is. 26977c478bd9Sstevel@tonic-gate */ 26987c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 26997c478bd9Sstevel@tonic-gate ptr = (caddr_t)strs + ((cnt + 1) * sizeof (char *)); 27007c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27017c478bd9Sstevel@tonic-gate /* 27027c478bd9Sstevel@tonic-gate * Get the decoded size of the current encoded string. 27037c478bd9Sstevel@tonic-gate */ 27047c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_DSIZE, NULL); 27057c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27067c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27077c478bd9Sstevel@tonic-gate switch (size) { 27087c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27097c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27107c478bd9Sstevel@tonic-gate 27117c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27127c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27137c478bd9Sstevel@tonic-gate } 27147c478bd9Sstevel@tonic-gate } 27157c478bd9Sstevel@tonic-gate 27167c478bd9Sstevel@tonic-gate *tmp = ptr; 27177c478bd9Sstevel@tonic-gate ptr += size; 27187c478bd9Sstevel@tonic-gate } 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate /* 27217c478bd9Sstevel@tonic-gate * String array is terminated by a NULL 27227c478bd9Sstevel@tonic-gate */ 27237c478bd9Sstevel@tonic-gate *tmp = NULL; 27247c478bd9Sstevel@tonic-gate 27257c478bd9Sstevel@tonic-gate /* 27267c478bd9Sstevel@tonic-gate * Finally, we can decode each string 27277c478bd9Sstevel@tonic-gate */ 27287c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27297c478bd9Sstevel@tonic-gate for (tmp = strs, n = 0; n < cnt; n++, tmp++) { 27307c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_DECODE, *tmp); 27317c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 27327c478bd9Sstevel@tonic-gate /* 27337c478bd9Sstevel@tonic-gate * Free the space we just allocated 27347c478bd9Sstevel@tonic-gate * and return an error 27357c478bd9Sstevel@tonic-gate */ 27367c478bd9Sstevel@tonic-gate ddi_prop_free(strs); 27377c478bd9Sstevel@tonic-gate switch (i) { 27387c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27397c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27407c478bd9Sstevel@tonic-gate 27417c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27427c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 27437c478bd9Sstevel@tonic-gate } 27447c478bd9Sstevel@tonic-gate } 27457c478bd9Sstevel@tonic-gate } 27467c478bd9Sstevel@tonic-gate 27477c478bd9Sstevel@tonic-gate *(char ***)data = strs; 27487c478bd9Sstevel@tonic-gate *nelements = cnt; 27497c478bd9Sstevel@tonic-gate 27507c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 27517c478bd9Sstevel@tonic-gate } 27527c478bd9Sstevel@tonic-gate 27537c478bd9Sstevel@tonic-gate /* 27547c478bd9Sstevel@tonic-gate * Encode a string. 27557c478bd9Sstevel@tonic-gate */ 27567c478bd9Sstevel@tonic-gate int 27577c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string(prop_handle_t *ph, void *data, uint_t nelements) 27587c478bd9Sstevel@tonic-gate { 27597c478bd9Sstevel@tonic-gate char **tmp; 27607c478bd9Sstevel@tonic-gate int size; 27617c478bd9Sstevel@tonic-gate int i; 27627c478bd9Sstevel@tonic-gate 27637c478bd9Sstevel@tonic-gate /* 27647c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 27657c478bd9Sstevel@tonic-gate */ 27667c478bd9Sstevel@tonic-gate if (nelements == 0) 27677c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 27687c478bd9Sstevel@tonic-gate 27697c478bd9Sstevel@tonic-gate /* 27707c478bd9Sstevel@tonic-gate * Get the size of the encoded string. 27717c478bd9Sstevel@tonic-gate */ 27727c478bd9Sstevel@tonic-gate tmp = (char **)data; 27737c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 27747c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 27757c478bd9Sstevel@tonic-gate switch (size) { 27767c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 27777c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 27807c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 27817c478bd9Sstevel@tonic-gate } 27827c478bd9Sstevel@tonic-gate } 27837c478bd9Sstevel@tonic-gate 27847c478bd9Sstevel@tonic-gate /* 27857c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded string. 27867c478bd9Sstevel@tonic-gate */ 27877c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, size) != DDI_PROP_SUCCESS) 27887c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 27897c478bd9Sstevel@tonic-gate 27907c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 27917c478bd9Sstevel@tonic-gate 27927c478bd9Sstevel@tonic-gate /* 27937c478bd9Sstevel@tonic-gate * Encode the string. 27947c478bd9Sstevel@tonic-gate */ 27957c478bd9Sstevel@tonic-gate tmp = (char **)data; 27967c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 27977c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 27987c478bd9Sstevel@tonic-gate switch (i) { 27997c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28007c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28017c478bd9Sstevel@tonic-gate 28027c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28037c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28047c478bd9Sstevel@tonic-gate } 28057c478bd9Sstevel@tonic-gate } 28067c478bd9Sstevel@tonic-gate 28077c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 28087c478bd9Sstevel@tonic-gate } 28097c478bd9Sstevel@tonic-gate 28107c478bd9Sstevel@tonic-gate 28117c478bd9Sstevel@tonic-gate /* 28127c478bd9Sstevel@tonic-gate * Encode an array of strings. 28137c478bd9Sstevel@tonic-gate */ 28147c478bd9Sstevel@tonic-gate int 28157c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings(prop_handle_t *ph, void *data, uint_t nelements) 28167c478bd9Sstevel@tonic-gate { 28177c478bd9Sstevel@tonic-gate int cnt = 0; 28187c478bd9Sstevel@tonic-gate char **tmp; 28197c478bd9Sstevel@tonic-gate int size; 28207c478bd9Sstevel@tonic-gate uint_t total_size; 28217c478bd9Sstevel@tonic-gate int i; 28227c478bd9Sstevel@tonic-gate 28237c478bd9Sstevel@tonic-gate /* 28247c478bd9Sstevel@tonic-gate * If there is no data, we cannot do anything 28257c478bd9Sstevel@tonic-gate */ 28267c478bd9Sstevel@tonic-gate if (nelements == 0) 28277c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28287c478bd9Sstevel@tonic-gate 28297c478bd9Sstevel@tonic-gate /* 28307c478bd9Sstevel@tonic-gate * Get the total size required to encode all the strings. 28317c478bd9Sstevel@tonic-gate */ 28327c478bd9Sstevel@tonic-gate total_size = 0; 28337c478bd9Sstevel@tonic-gate tmp = (char **)data; 28347c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28357c478bd9Sstevel@tonic-gate size = DDI_PROP_STR(ph, DDI_PROP_CMD_GET_ESIZE, *tmp); 28367c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 28377c478bd9Sstevel@tonic-gate switch (size) { 28387c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 28397c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 28427c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 28437c478bd9Sstevel@tonic-gate } 28447c478bd9Sstevel@tonic-gate } 28457c478bd9Sstevel@tonic-gate total_size += (uint_t)size; 28467c478bd9Sstevel@tonic-gate } 28477c478bd9Sstevel@tonic-gate 28487c478bd9Sstevel@tonic-gate /* 28497c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded strings. 28507c478bd9Sstevel@tonic-gate */ 28517c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, total_size) != DDI_PROP_SUCCESS) 28527c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 28537c478bd9Sstevel@tonic-gate 28547c478bd9Sstevel@tonic-gate ddi_prop_reset_pos(ph); 28557c478bd9Sstevel@tonic-gate 28567c478bd9Sstevel@tonic-gate /* 28577c478bd9Sstevel@tonic-gate * Encode the array of strings. 28587c478bd9Sstevel@tonic-gate */ 28597c478bd9Sstevel@tonic-gate tmp = (char **)data; 28607c478bd9Sstevel@tonic-gate for (cnt = 0; cnt < nelements; cnt++, tmp++) { 28617c478bd9Sstevel@tonic-gate i = DDI_PROP_STR(ph, DDI_PROP_CMD_ENCODE, *tmp); 28627c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 28637c478bd9Sstevel@tonic-gate switch (i) { 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 } 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 28747c478bd9Sstevel@tonic-gate } 28757c478bd9Sstevel@tonic-gate 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate /* 28787c478bd9Sstevel@tonic-gate * Decode an array of bytes. 28797c478bd9Sstevel@tonic-gate */ 28807c478bd9Sstevel@tonic-gate static int 28817c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_bytes(prop_handle_t *ph, void *data, uint_t *nelements) 28827c478bd9Sstevel@tonic-gate { 28837c478bd9Sstevel@tonic-gate uchar_t *tmp; 28847c478bd9Sstevel@tonic-gate int nbytes; 28857c478bd9Sstevel@tonic-gate int i; 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate /* 28887c478bd9Sstevel@tonic-gate * If there are no elements return an error 28897c478bd9Sstevel@tonic-gate */ 28907c478bd9Sstevel@tonic-gate if (ph->ph_size == 0) 28917c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 28927c478bd9Sstevel@tonic-gate 28937c478bd9Sstevel@tonic-gate /* 28947c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 28957c478bd9Sstevel@tonic-gate */ 28967c478bd9Sstevel@tonic-gate nbytes = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_DSIZE, 28977c478bd9Sstevel@tonic-gate data, ph->ph_size); 28987c478bd9Sstevel@tonic-gate if (nbytes < DDI_PROP_RESULT_OK) { 28997c478bd9Sstevel@tonic-gate switch (nbytes) { 29007c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29017c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29027c478bd9Sstevel@tonic-gate 29037c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29047c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29057c478bd9Sstevel@tonic-gate } 29067c478bd9Sstevel@tonic-gate } 29077c478bd9Sstevel@tonic-gate 29087c478bd9Sstevel@tonic-gate /* 29097c478bd9Sstevel@tonic-gate * Allocated memory to store the decoded value in. 29107c478bd9Sstevel@tonic-gate */ 29117c478bd9Sstevel@tonic-gate tmp = ddi_prop_decode_alloc(nbytes, ddi_prop_free_bytes); 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate /* 29147c478bd9Sstevel@tonic-gate * Decode each element and place it in the space we just allocated 29157c478bd9Sstevel@tonic-gate */ 29167c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_DECODE, tmp, nbytes); 29177c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 29187c478bd9Sstevel@tonic-gate /* 29197c478bd9Sstevel@tonic-gate * Free the space we just allocated 29207c478bd9Sstevel@tonic-gate * and return an error 29217c478bd9Sstevel@tonic-gate */ 29227c478bd9Sstevel@tonic-gate ddi_prop_free(tmp); 29237c478bd9Sstevel@tonic-gate switch (i) { 29247c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29257c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29267c478bd9Sstevel@tonic-gate 29277c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29287c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29297c478bd9Sstevel@tonic-gate } 29307c478bd9Sstevel@tonic-gate } 29317c478bd9Sstevel@tonic-gate 29327c478bd9Sstevel@tonic-gate *(uchar_t **)data = tmp; 29337c478bd9Sstevel@tonic-gate *nelements = nbytes; 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29367c478bd9Sstevel@tonic-gate } 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate /* 29397c478bd9Sstevel@tonic-gate * Encode an array of bytes. 29407c478bd9Sstevel@tonic-gate */ 29417c478bd9Sstevel@tonic-gate int 29427c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_bytes(prop_handle_t *ph, void *data, uint_t nelements) 29437c478bd9Sstevel@tonic-gate { 29447c478bd9Sstevel@tonic-gate int size; 29457c478bd9Sstevel@tonic-gate int i; 29467c478bd9Sstevel@tonic-gate 29477c478bd9Sstevel@tonic-gate /* 29487c478bd9Sstevel@tonic-gate * If there are no elements, then this is a boolean property, 29497c478bd9Sstevel@tonic-gate * so just create a property handle with no data and return. 29507c478bd9Sstevel@tonic-gate */ 29517c478bd9Sstevel@tonic-gate if (nelements == 0) { 29527c478bd9Sstevel@tonic-gate (void) ddi_prop_encode_alloc(ph, 0); 29537c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29547c478bd9Sstevel@tonic-gate } 29557c478bd9Sstevel@tonic-gate 29567c478bd9Sstevel@tonic-gate /* 29577c478bd9Sstevel@tonic-gate * Get the size of the encoded array of bytes. 29587c478bd9Sstevel@tonic-gate */ 29597c478bd9Sstevel@tonic-gate size = DDI_PROP_BYTES(ph, DDI_PROP_CMD_GET_ESIZE, (uchar_t *)data, 29607c478bd9Sstevel@tonic-gate nelements); 29617c478bd9Sstevel@tonic-gate if (size < DDI_PROP_RESULT_OK) { 29627c478bd9Sstevel@tonic-gate switch (size) { 29637c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29647c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29657c478bd9Sstevel@tonic-gate 29667c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29677c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_DECODE); 29687c478bd9Sstevel@tonic-gate } 29697c478bd9Sstevel@tonic-gate } 29707c478bd9Sstevel@tonic-gate 29717c478bd9Sstevel@tonic-gate /* 29727c478bd9Sstevel@tonic-gate * Allocate space in the handle to store the encoded bytes. 29737c478bd9Sstevel@tonic-gate */ 29747c478bd9Sstevel@tonic-gate if (ddi_prop_encode_alloc(ph, (uint_t)size) != DDI_PROP_SUCCESS) 29757c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 29767c478bd9Sstevel@tonic-gate 29777c478bd9Sstevel@tonic-gate /* 29787c478bd9Sstevel@tonic-gate * Encode the array of bytes. 29797c478bd9Sstevel@tonic-gate */ 29807c478bd9Sstevel@tonic-gate i = DDI_PROP_BYTES(ph, DDI_PROP_CMD_ENCODE, (uchar_t *)data, 29817c478bd9Sstevel@tonic-gate nelements); 29827c478bd9Sstevel@tonic-gate if (i < DDI_PROP_RESULT_OK) { 29837c478bd9Sstevel@tonic-gate switch (i) { 29847c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_EOF: 29857c478bd9Sstevel@tonic-gate return (DDI_PROP_END_OF_DATA); 29867c478bd9Sstevel@tonic-gate 29877c478bd9Sstevel@tonic-gate case DDI_PROP_RESULT_ERROR: 29887c478bd9Sstevel@tonic-gate return (DDI_PROP_CANNOT_ENCODE); 29897c478bd9Sstevel@tonic-gate } 29907c478bd9Sstevel@tonic-gate } 29917c478bd9Sstevel@tonic-gate 29927c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 29937c478bd9Sstevel@tonic-gate } 29947c478bd9Sstevel@tonic-gate 29957c478bd9Sstevel@tonic-gate /* 29967c478bd9Sstevel@tonic-gate * OBP 1275 integer, string and byte operators. 29977c478bd9Sstevel@tonic-gate * 29987c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_DECODE: 29997c478bd9Sstevel@tonic-gate * 30007c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot decode the data 30017c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30027c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was decoded 30037c478bd9Sstevel@tonic-gate * 30047c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_ENCODE: 30057c478bd9Sstevel@tonic-gate * 30067c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot encode the data 30077c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30087c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was encoded 30097c478bd9Sstevel@tonic-gate * 30107c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_SKIP: 30117c478bd9Sstevel@tonic-gate * 30127c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot skip the data 30137c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30147c478bd9Sstevel@tonic-gate * DDI_PROP_OK: data was skipped 30157c478bd9Sstevel@tonic-gate * 30167c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_ESIZE: 30177c478bd9Sstevel@tonic-gate * 30187c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get encoded size 30197c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30207c478bd9Sstevel@tonic-gate * > 0: the encoded size 30217c478bd9Sstevel@tonic-gate * 30227c478bd9Sstevel@tonic-gate * DDI_PROP_CMD_GET_DSIZE: 30237c478bd9Sstevel@tonic-gate * 30247c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_ERROR: cannot get decoded size 30257c478bd9Sstevel@tonic-gate * DDI_PROP_RESULT_EOF: end of data 30267c478bd9Sstevel@tonic-gate * > 0: the decoded size 30277c478bd9Sstevel@tonic-gate */ 30287c478bd9Sstevel@tonic-gate 30297c478bd9Sstevel@tonic-gate /* 30307c478bd9Sstevel@tonic-gate * OBP 1275 integer operator 30317c478bd9Sstevel@tonic-gate * 30327c478bd9Sstevel@tonic-gate * OBP properties are a byte stream of data, so integers may not be 30337c478bd9Sstevel@tonic-gate * properly aligned. Therefore we need to copy them one byte at a time. 30347c478bd9Sstevel@tonic-gate */ 30357c478bd9Sstevel@tonic-gate int 30367c478bd9Sstevel@tonic-gate ddi_prop_1275_int(prop_handle_t *ph, uint_t cmd, int *data) 30377c478bd9Sstevel@tonic-gate { 30387c478bd9Sstevel@tonic-gate int i; 30397c478bd9Sstevel@tonic-gate 30407c478bd9Sstevel@tonic-gate switch (cmd) { 30417c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 30427c478bd9Sstevel@tonic-gate /* 30437c478bd9Sstevel@tonic-gate * Check that there is encoded data 30447c478bd9Sstevel@tonic-gate */ 30457c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 30467c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30477c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30487c478bd9Sstevel@tonic-gate i = MIN(ph->ph_size, PROP_1275_INT_SIZE); 30497c478bd9Sstevel@tonic-gate if ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 30507c478bd9Sstevel@tonic-gate ph->ph_size - i)) 30517c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30527c478bd9Sstevel@tonic-gate } else { 30537c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int) || 30547c478bd9Sstevel@tonic-gate ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 30557c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int)))) 30567c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30577c478bd9Sstevel@tonic-gate } 30587c478bd9Sstevel@tonic-gate 30597c478bd9Sstevel@tonic-gate /* 30607c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 30617c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 30627c478bd9Sstevel@tonic-gate */ 30637c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 30647c478bd9Sstevel@tonic-gate *data = impl_ddi_prop_int_from_prom( 30657c478bd9Sstevel@tonic-gate (uchar_t *)ph->ph_cur_pos, 30667c478bd9Sstevel@tonic-gate (ph->ph_size < PROP_1275_INT_SIZE) ? 30677c478bd9Sstevel@tonic-gate ph->ph_size : PROP_1275_INT_SIZE); 30687c478bd9Sstevel@tonic-gate } else { 30697c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int)); 30707c478bd9Sstevel@tonic-gate } 30717c478bd9Sstevel@tonic-gate 30727c478bd9Sstevel@tonic-gate /* 30737c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 30747c478bd9Sstevel@tonic-gate * bit of undecoded data. 30757c478bd9Sstevel@tonic-gate */ 30767c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 30777c478bd9Sstevel@tonic-gate PROP_1275_INT_SIZE; 30787c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 30817c478bd9Sstevel@tonic-gate /* 30827c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 30837c478bd9Sstevel@tonic-gate */ 30847c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 30857c478bd9Sstevel@tonic-gate ph->ph_size < PROP_1275_INT_SIZE || 30867c478bd9Sstevel@tonic-gate ((int *)ph->ph_cur_pos > ((int *)ph->ph_data + 30877c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int)))) 30887c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 30897c478bd9Sstevel@tonic-gate 30907c478bd9Sstevel@tonic-gate /* 30917c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 30927c478bd9Sstevel@tonic-gate * time. 30937c478bd9Sstevel@tonic-gate */ 30947c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int)); 30957c478bd9Sstevel@tonic-gate 30967c478bd9Sstevel@tonic-gate /* 30977c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 30987c478bd9Sstevel@tonic-gate * space where we can store encoded data. 30997c478bd9Sstevel@tonic-gate */ 31007c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31017c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31027c478bd9Sstevel@tonic-gate 31037c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 31047c478bd9Sstevel@tonic-gate /* 31057c478bd9Sstevel@tonic-gate * Check that there is encoded data 31067c478bd9Sstevel@tonic-gate */ 31077c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 31087c478bd9Sstevel@tonic-gate ph->ph_size < PROP_1275_INT_SIZE) 31097c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31107c478bd9Sstevel@tonic-gate 31117c478bd9Sstevel@tonic-gate 31127c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 31137c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 31147c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 31157c478bd9Sstevel@tonic-gate } else if ((caddr_t)ph->ph_cur_pos > 31167c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 31177c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 31187c478bd9Sstevel@tonic-gate } 31197c478bd9Sstevel@tonic-gate 31207c478bd9Sstevel@tonic-gate /* 31217c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 31227c478bd9Sstevel@tonic-gate * undecoded data. 31237c478bd9Sstevel@tonic-gate */ 31247c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + PROP_1275_INT_SIZE; 31257c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31267c478bd9Sstevel@tonic-gate 31277c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 31287c478bd9Sstevel@tonic-gate /* 31297c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 31307c478bd9Sstevel@tonic-gate */ 31317c478bd9Sstevel@tonic-gate return (PROP_1275_INT_SIZE); 31327c478bd9Sstevel@tonic-gate 31337c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 31347c478bd9Sstevel@tonic-gate /* 31357c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 31367c478bd9Sstevel@tonic-gate */ 31377c478bd9Sstevel@tonic-gate return (sizeof (int)); 31387c478bd9Sstevel@tonic-gate 31397c478bd9Sstevel@tonic-gate default: 31407c478bd9Sstevel@tonic-gate #ifdef DEBUG 31417c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_int: %x impossible", cmd); 31427c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 31437c478bd9Sstevel@tonic-gate #else 31447c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31457c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 31467c478bd9Sstevel@tonic-gate } 31477c478bd9Sstevel@tonic-gate } 31487c478bd9Sstevel@tonic-gate 31497c478bd9Sstevel@tonic-gate /* 31507c478bd9Sstevel@tonic-gate * 64 bit integer operator. 31517c478bd9Sstevel@tonic-gate * 31527c478bd9Sstevel@tonic-gate * This is an extension, defined by Sun, to the 1275 integer 31537c478bd9Sstevel@tonic-gate * operator. This routine handles the encoding/decoding of 31547c478bd9Sstevel@tonic-gate * 64 bit integer properties. 31557c478bd9Sstevel@tonic-gate */ 31567c478bd9Sstevel@tonic-gate int 31577c478bd9Sstevel@tonic-gate ddi_prop_int64_op(prop_handle_t *ph, uint_t cmd, int64_t *data) 31587c478bd9Sstevel@tonic-gate { 31597c478bd9Sstevel@tonic-gate 31607c478bd9Sstevel@tonic-gate switch (cmd) { 31617c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 31627c478bd9Sstevel@tonic-gate /* 31637c478bd9Sstevel@tonic-gate * Check that there is encoded data 31647c478bd9Sstevel@tonic-gate */ 31657c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) 31667c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31677c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 31687c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31697c478bd9Sstevel@tonic-gate } else { 31707c478bd9Sstevel@tonic-gate if (ph->ph_size < sizeof (int64_t) || 31717c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > 31727c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_data + 31737c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 31747c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31757c478bd9Sstevel@tonic-gate } 31767c478bd9Sstevel@tonic-gate /* 31777c478bd9Sstevel@tonic-gate * Copy the integer, using the implementation-specific 31787c478bd9Sstevel@tonic-gate * copy function if the property is coming from the PROM. 31797c478bd9Sstevel@tonic-gate */ 31807c478bd9Sstevel@tonic-gate if (ph->ph_flags & PH_FROM_PROM) { 31817c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 31827c478bd9Sstevel@tonic-gate } else { 31837c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, sizeof (int64_t)); 31847c478bd9Sstevel@tonic-gate } 31857c478bd9Sstevel@tonic-gate 31867c478bd9Sstevel@tonic-gate /* 31877c478bd9Sstevel@tonic-gate * Move the current location to the start of the next 31887c478bd9Sstevel@tonic-gate * bit of undecoded data. 31897c478bd9Sstevel@tonic-gate */ 31907c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 31917c478bd9Sstevel@tonic-gate sizeof (int64_t); 31927c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 31937c478bd9Sstevel@tonic-gate 31947c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 31957c478bd9Sstevel@tonic-gate /* 31967c478bd9Sstevel@tonic-gate * Check that there is room to encoded the data 31977c478bd9Sstevel@tonic-gate */ 31987c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 31997c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t) || 32007c478bd9Sstevel@tonic-gate ((int64_t *)ph->ph_cur_pos > ((int64_t *)ph->ph_data + 32017c478bd9Sstevel@tonic-gate ph->ph_size - sizeof (int64_t)))) 32027c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32037c478bd9Sstevel@tonic-gate 32047c478bd9Sstevel@tonic-gate /* 32057c478bd9Sstevel@tonic-gate * Encode the integer into the byte stream one byte at a 32067c478bd9Sstevel@tonic-gate * time. 32077c478bd9Sstevel@tonic-gate */ 32087c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, sizeof (int64_t)); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate /* 32117c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 32127c478bd9Sstevel@tonic-gate * space where we can store encoded data. 32137c478bd9Sstevel@tonic-gate */ 32147c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32157c478bd9Sstevel@tonic-gate sizeof (int64_t); 32167c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32177c478bd9Sstevel@tonic-gate 32187c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 32197c478bd9Sstevel@tonic-gate /* 32207c478bd9Sstevel@tonic-gate * Check that there is encoded data 32217c478bd9Sstevel@tonic-gate */ 32227c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 32237c478bd9Sstevel@tonic-gate ph->ph_size < sizeof (int64_t)) 32247c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32257c478bd9Sstevel@tonic-gate 32267c478bd9Sstevel@tonic-gate if ((caddr_t)ph->ph_cur_pos == 32277c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 32287c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 32297c478bd9Sstevel@tonic-gate } else if ((caddr_t)ph->ph_cur_pos > 32307c478bd9Sstevel@tonic-gate (caddr_t)ph->ph_data + ph->ph_size) { 32317c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 32327c478bd9Sstevel@tonic-gate } 32337c478bd9Sstevel@tonic-gate 32347c478bd9Sstevel@tonic-gate /* 32357c478bd9Sstevel@tonic-gate * Move the current location to the start of 32367c478bd9Sstevel@tonic-gate * the next bit of undecoded data. 32377c478bd9Sstevel@tonic-gate */ 32387c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (uchar_t *)ph->ph_cur_pos + 32397c478bd9Sstevel@tonic-gate sizeof (int64_t); 32407c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 32417c478bd9Sstevel@tonic-gate 32427c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 32437c478bd9Sstevel@tonic-gate /* 32447c478bd9Sstevel@tonic-gate * Return the size of an encoded integer on OBP 32457c478bd9Sstevel@tonic-gate */ 32467c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32477c478bd9Sstevel@tonic-gate 32487c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 32497c478bd9Sstevel@tonic-gate /* 32507c478bd9Sstevel@tonic-gate * Return the size of a decoded integer on the system. 32517c478bd9Sstevel@tonic-gate */ 32527c478bd9Sstevel@tonic-gate return (sizeof (int64_t)); 32537c478bd9Sstevel@tonic-gate 32547c478bd9Sstevel@tonic-gate default: 32557c478bd9Sstevel@tonic-gate #ifdef DEBUG 32567c478bd9Sstevel@tonic-gate panic("ddi_prop_int64_op: %x impossible", cmd); 32577c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 32587c478bd9Sstevel@tonic-gate #else 32597c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32607c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 32617c478bd9Sstevel@tonic-gate } 32627c478bd9Sstevel@tonic-gate } 32637c478bd9Sstevel@tonic-gate 32647c478bd9Sstevel@tonic-gate /* 32657c478bd9Sstevel@tonic-gate * OBP 1275 string operator. 32667c478bd9Sstevel@tonic-gate * 32677c478bd9Sstevel@tonic-gate * OBP strings are NULL terminated. 32687c478bd9Sstevel@tonic-gate */ 32697c478bd9Sstevel@tonic-gate int 32707c478bd9Sstevel@tonic-gate ddi_prop_1275_string(prop_handle_t *ph, uint_t cmd, char *data) 32717c478bd9Sstevel@tonic-gate { 32727c478bd9Sstevel@tonic-gate int n; 32737c478bd9Sstevel@tonic-gate char *p; 32747c478bd9Sstevel@tonic-gate char *end; 32757c478bd9Sstevel@tonic-gate 32767c478bd9Sstevel@tonic-gate switch (cmd) { 32777c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 32787c478bd9Sstevel@tonic-gate /* 32797c478bd9Sstevel@tonic-gate * Check that there is encoded data 32807c478bd9Sstevel@tonic-gate */ 32817c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 32827c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32837c478bd9Sstevel@tonic-gate } 32847c478bd9Sstevel@tonic-gate 32857c478bd9Sstevel@tonic-gate n = strlen((char *)ph->ph_cur_pos) + 1; 32867c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 32877c478bd9Sstevel@tonic-gate ph->ph_size - n)) { 32887c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 32897c478bd9Sstevel@tonic-gate } 32907c478bd9Sstevel@tonic-gate 32917c478bd9Sstevel@tonic-gate /* 32927c478bd9Sstevel@tonic-gate * Copy the NULL terminated string 32937c478bd9Sstevel@tonic-gate */ 32947c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, n); 32957c478bd9Sstevel@tonic-gate 32967c478bd9Sstevel@tonic-gate /* 32977c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 32987c478bd9Sstevel@tonic-gate * undecoded data. 32997c478bd9Sstevel@tonic-gate */ 33007c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + n; 33017c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33027c478bd9Sstevel@tonic-gate 33037c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 33047c478bd9Sstevel@tonic-gate /* 33057c478bd9Sstevel@tonic-gate * Check that there is room to encoded the 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 n = strlen(data) + 1; 33127c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 33137c478bd9Sstevel@tonic-gate ph->ph_size - n)) { 33147c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33157c478bd9Sstevel@tonic-gate } 33167c478bd9Sstevel@tonic-gate 33177c478bd9Sstevel@tonic-gate /* 33187c478bd9Sstevel@tonic-gate * Copy the NULL terminated string 33197c478bd9Sstevel@tonic-gate */ 33207c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, n); 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate /* 33237c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 33247c478bd9Sstevel@tonic-gate * space where we can store encoded data. 33257c478bd9Sstevel@tonic-gate */ 33267c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + n; 33277c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33287c478bd9Sstevel@tonic-gate 33297c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 33307c478bd9Sstevel@tonic-gate /* 33317c478bd9Sstevel@tonic-gate * Check that there is encoded data 33327c478bd9Sstevel@tonic-gate */ 33337c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0) { 33347c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33357c478bd9Sstevel@tonic-gate } 33367c478bd9Sstevel@tonic-gate 33377c478bd9Sstevel@tonic-gate /* 33387c478bd9Sstevel@tonic-gate * Return the string length plus one for the NULL 33397c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 33407c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 33417c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 33427c478bd9Sstevel@tonic-gate */ 33437c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 33447c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 33457c478bd9Sstevel@tonic-gate 33467c478bd9Sstevel@tonic-gate if (p == end) { 33477c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 33487c478bd9Sstevel@tonic-gate } 33497c478bd9Sstevel@tonic-gate 33507c478bd9Sstevel@tonic-gate for (n = 0; p < end; n++) { 33517c478bd9Sstevel@tonic-gate if (*p++ == 0) { 33527c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 33537c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 33547c478bd9Sstevel@tonic-gate } 33557c478bd9Sstevel@tonic-gate } 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33587c478bd9Sstevel@tonic-gate 33597c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 33607c478bd9Sstevel@tonic-gate /* 33617c478bd9Sstevel@tonic-gate * Return the size of the encoded string on OBP. 33627c478bd9Sstevel@tonic-gate */ 33637c478bd9Sstevel@tonic-gate return (strlen(data) + 1); 33647c478bd9Sstevel@tonic-gate 33657c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 33667c478bd9Sstevel@tonic-gate /* 33677c478bd9Sstevel@tonic-gate * Return the string length plus one for the NULL 33687c478bd9Sstevel@tonic-gate * We know the size of the property, we need to 33697c478bd9Sstevel@tonic-gate * ensure that the string is properly formatted, 33707c478bd9Sstevel@tonic-gate * since we may be looking up random OBP data. 33717c478bd9Sstevel@tonic-gate */ 33727c478bd9Sstevel@tonic-gate p = (char *)ph->ph_cur_pos; 33737c478bd9Sstevel@tonic-gate end = (char *)ph->ph_data + ph->ph_size; 33747c478bd9Sstevel@tonic-gate for (n = 0; p < end; n++) { 33757c478bd9Sstevel@tonic-gate if (*p++ == 0) { 33767c478bd9Sstevel@tonic-gate ph->ph_cur_pos = p; 33777c478bd9Sstevel@tonic-gate return (n+1); 33787c478bd9Sstevel@tonic-gate } 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate default: 33837c478bd9Sstevel@tonic-gate #ifdef DEBUG 33847c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_string: %x impossible", cmd); 33857c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 33867c478bd9Sstevel@tonic-gate #else 33877c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 33887c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 33897c478bd9Sstevel@tonic-gate } 33907c478bd9Sstevel@tonic-gate } 33917c478bd9Sstevel@tonic-gate 33927c478bd9Sstevel@tonic-gate /* 33937c478bd9Sstevel@tonic-gate * OBP 1275 byte operator 33947c478bd9Sstevel@tonic-gate * 33957c478bd9Sstevel@tonic-gate * Caller must specify the number of bytes to get. OBP encodes bytes 33967c478bd9Sstevel@tonic-gate * as a byte so there is a 1-to-1 translation. 33977c478bd9Sstevel@tonic-gate */ 33987c478bd9Sstevel@tonic-gate int 33997c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes(prop_handle_t *ph, uint_t cmd, uchar_t *data, 34007c478bd9Sstevel@tonic-gate uint_t nelements) 34017c478bd9Sstevel@tonic-gate { 34027c478bd9Sstevel@tonic-gate switch (cmd) { 34037c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_DECODE: 34047c478bd9Sstevel@tonic-gate /* 34057c478bd9Sstevel@tonic-gate * Check that there is encoded data 34067c478bd9Sstevel@tonic-gate */ 34077c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 34087c478bd9Sstevel@tonic-gate ph->ph_size < nelements || 34097c478bd9Sstevel@tonic-gate ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 34107c478bd9Sstevel@tonic-gate ph->ph_size - nelements))) 34117c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34127c478bd9Sstevel@tonic-gate 34137c478bd9Sstevel@tonic-gate /* 34147c478bd9Sstevel@tonic-gate * Copy out the bytes 34157c478bd9Sstevel@tonic-gate */ 34167c478bd9Sstevel@tonic-gate bcopy(ph->ph_cur_pos, data, nelements); 34177c478bd9Sstevel@tonic-gate 34187c478bd9Sstevel@tonic-gate /* 34197c478bd9Sstevel@tonic-gate * Move the current location 34207c478bd9Sstevel@tonic-gate */ 34217c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34227c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34237c478bd9Sstevel@tonic-gate 34247c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_ENCODE: 34257c478bd9Sstevel@tonic-gate /* 34267c478bd9Sstevel@tonic-gate * Check that there is room to encode the data 34277c478bd9Sstevel@tonic-gate */ 34287c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 34297c478bd9Sstevel@tonic-gate ph->ph_size < nelements || 34307c478bd9Sstevel@tonic-gate ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 34317c478bd9Sstevel@tonic-gate ph->ph_size - nelements))) 34327c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34337c478bd9Sstevel@tonic-gate 34347c478bd9Sstevel@tonic-gate /* 34357c478bd9Sstevel@tonic-gate * Copy in the bytes 34367c478bd9Sstevel@tonic-gate */ 34377c478bd9Sstevel@tonic-gate bcopy(data, ph->ph_cur_pos, nelements); 34387c478bd9Sstevel@tonic-gate 34397c478bd9Sstevel@tonic-gate /* 34407c478bd9Sstevel@tonic-gate * Move the current location to the start of the next bit of 34417c478bd9Sstevel@tonic-gate * space where we can store encoded data. 34427c478bd9Sstevel@tonic-gate */ 34437c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34447c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_SKIP: 34477c478bd9Sstevel@tonic-gate /* 34487c478bd9Sstevel@tonic-gate * Check that there is encoded data 34497c478bd9Sstevel@tonic-gate */ 34507c478bd9Sstevel@tonic-gate if (ph->ph_cur_pos == NULL || ph->ph_size == 0 || 34517c478bd9Sstevel@tonic-gate ph->ph_size < nelements) 34527c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34537c478bd9Sstevel@tonic-gate 34547c478bd9Sstevel@tonic-gate if ((char *)ph->ph_cur_pos > ((char *)ph->ph_data + 34557c478bd9Sstevel@tonic-gate ph->ph_size - nelements)) 34567c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_EOF); 34577c478bd9Sstevel@tonic-gate 34587c478bd9Sstevel@tonic-gate /* 34597c478bd9Sstevel@tonic-gate * Move the current location 34607c478bd9Sstevel@tonic-gate */ 34617c478bd9Sstevel@tonic-gate ph->ph_cur_pos = (char *)ph->ph_cur_pos + nelements; 34627c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_OK); 34637c478bd9Sstevel@tonic-gate 34647c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_ESIZE: 34657c478bd9Sstevel@tonic-gate /* 34667c478bd9Sstevel@tonic-gate * The size in bytes of the encoded size is the 34677c478bd9Sstevel@tonic-gate * same as the decoded size provided by the caller. 34687c478bd9Sstevel@tonic-gate */ 34697c478bd9Sstevel@tonic-gate return (nelements); 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate case DDI_PROP_CMD_GET_DSIZE: 34727c478bd9Sstevel@tonic-gate /* 34737c478bd9Sstevel@tonic-gate * Just return the number of bytes specified by the caller. 34747c478bd9Sstevel@tonic-gate */ 34757c478bd9Sstevel@tonic-gate return (nelements); 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate default: 34787c478bd9Sstevel@tonic-gate #ifdef DEBUG 34797c478bd9Sstevel@tonic-gate panic("ddi_prop_1275_bytes: %x impossible", cmd); 34807c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 34817c478bd9Sstevel@tonic-gate #else 34827c478bd9Sstevel@tonic-gate return (DDI_PROP_RESULT_ERROR); 34837c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 34847c478bd9Sstevel@tonic-gate } 34857c478bd9Sstevel@tonic-gate } 34867c478bd9Sstevel@tonic-gate 34877c478bd9Sstevel@tonic-gate /* 34887c478bd9Sstevel@tonic-gate * Used for properties that come from the OBP, hardware configuration files, 34897c478bd9Sstevel@tonic-gate * or that are created by calls to ddi_prop_update(9F). 34907c478bd9Sstevel@tonic-gate */ 34917c478bd9Sstevel@tonic-gate static struct prop_handle_ops prop_1275_ops = { 34927c478bd9Sstevel@tonic-gate ddi_prop_1275_int, 34937c478bd9Sstevel@tonic-gate ddi_prop_1275_string, 34947c478bd9Sstevel@tonic-gate ddi_prop_1275_bytes, 34957c478bd9Sstevel@tonic-gate ddi_prop_int64_op 34967c478bd9Sstevel@tonic-gate }; 34977c478bd9Sstevel@tonic-gate 34987c478bd9Sstevel@tonic-gate 34997c478bd9Sstevel@tonic-gate /* 35007c478bd9Sstevel@tonic-gate * Interface to create/modify a managed property on child's behalf... 35017c478bd9Sstevel@tonic-gate * Flags interpreted are: 35027c478bd9Sstevel@tonic-gate * DDI_PROP_CANSLEEP: Allow memory allocation to sleep. 35037c478bd9Sstevel@tonic-gate * DDI_PROP_SYSTEM_DEF: Manipulate system list rather than driver list. 35047c478bd9Sstevel@tonic-gate * 35057c478bd9Sstevel@tonic-gate * Use same dev_t when modifying or undefining a property. 35067c478bd9Sstevel@tonic-gate * Search for properties with DDI_DEV_T_ANY to match first named 35077c478bd9Sstevel@tonic-gate * property on the list. 35087c478bd9Sstevel@tonic-gate * 35097c478bd9Sstevel@tonic-gate * Properties are stored LIFO and subsequently will match the first 35107c478bd9Sstevel@tonic-gate * `matching' instance. 35117c478bd9Sstevel@tonic-gate */ 35127c478bd9Sstevel@tonic-gate 35137c478bd9Sstevel@tonic-gate /* 35147c478bd9Sstevel@tonic-gate * ddi_prop_add: Add a software defined property 35157c478bd9Sstevel@tonic-gate */ 35167c478bd9Sstevel@tonic-gate 35177c478bd9Sstevel@tonic-gate /* 35187c478bd9Sstevel@tonic-gate * define to get a new ddi_prop_t. 35197c478bd9Sstevel@tonic-gate * km_flags are KM_SLEEP or KM_NOSLEEP. 35207c478bd9Sstevel@tonic-gate */ 35217c478bd9Sstevel@tonic-gate 35227c478bd9Sstevel@tonic-gate #define DDI_NEW_PROP_T(km_flags) \ 35237c478bd9Sstevel@tonic-gate (kmem_zalloc(sizeof (ddi_prop_t), km_flags)) 35247c478bd9Sstevel@tonic-gate 35257c478bd9Sstevel@tonic-gate static int 35267c478bd9Sstevel@tonic-gate ddi_prop_add(dev_t dev, dev_info_t *dip, int flags, 35277c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 35287c478bd9Sstevel@tonic-gate { 35297c478bd9Sstevel@tonic-gate ddi_prop_t *new_propp, *propp; 35307c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 35317c478bd9Sstevel@tonic-gate int km_flags = KM_NOSLEEP; 35327c478bd9Sstevel@tonic-gate int name_buf_len; 35337c478bd9Sstevel@tonic-gate 35347c478bd9Sstevel@tonic-gate /* 35357c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero return error. 35367c478bd9Sstevel@tonic-gate */ 35377c478bd9Sstevel@tonic-gate 35387c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == (char *)0 || strlen(name) == 0) 35397c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 35407c478bd9Sstevel@tonic-gate 35417c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_CANSLEEP) 35427c478bd9Sstevel@tonic-gate km_flags = KM_SLEEP; 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 35457c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 35467c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 35477c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate if ((new_propp = DDI_NEW_PROP_T(km_flags)) == NULL) { 35507c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 35517c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 35527c478bd9Sstevel@tonic-gate } 35537c478bd9Sstevel@tonic-gate 35547c478bd9Sstevel@tonic-gate /* 35557c478bd9Sstevel@tonic-gate * If dev is major number 0, then we need to do a ddi_name_to_major 35567c478bd9Sstevel@tonic-gate * to get the real major number for the device. This needs to be 35577c478bd9Sstevel@tonic-gate * done because some drivers need to call ddi_prop_create in their 35587c478bd9Sstevel@tonic-gate * attach routines but they don't have a dev. By creating the dev 35597c478bd9Sstevel@tonic-gate * ourself if the major number is 0, drivers will not have to know what 35607c478bd9Sstevel@tonic-gate * their major number. They can just create a dev with major number 35617c478bd9Sstevel@tonic-gate * 0 and pass it in. For device 0, we will be doing a little extra 35627c478bd9Sstevel@tonic-gate * work by recreating the same dev that we already have, but its the 35637c478bd9Sstevel@tonic-gate * price you pay :-). 35647c478bd9Sstevel@tonic-gate * 35657c478bd9Sstevel@tonic-gate * This fixes bug #1098060. 35667c478bd9Sstevel@tonic-gate */ 35677c478bd9Sstevel@tonic-gate if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) { 35687c478bd9Sstevel@tonic-gate new_propp->prop_dev = 35697c478bd9Sstevel@tonic-gate makedevice(ddi_name_to_major(DEVI(dip)->devi_binding_name), 35707c478bd9Sstevel@tonic-gate getminor(dev)); 35717c478bd9Sstevel@tonic-gate } else 35727c478bd9Sstevel@tonic-gate new_propp->prop_dev = dev; 35737c478bd9Sstevel@tonic-gate 35747c478bd9Sstevel@tonic-gate /* 35757c478bd9Sstevel@tonic-gate * Allocate space for property name and copy it in... 35767c478bd9Sstevel@tonic-gate */ 35777c478bd9Sstevel@tonic-gate 35787c478bd9Sstevel@tonic-gate name_buf_len = strlen(name) + 1; 35797c478bd9Sstevel@tonic-gate new_propp->prop_name = kmem_alloc(name_buf_len, km_flags); 35807c478bd9Sstevel@tonic-gate if (new_propp->prop_name == 0) { 35817c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 35827c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 35837c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 35847c478bd9Sstevel@tonic-gate } 35857c478bd9Sstevel@tonic-gate bcopy(name, new_propp->prop_name, name_buf_len); 35867c478bd9Sstevel@tonic-gate 35877c478bd9Sstevel@tonic-gate /* 35887c478bd9Sstevel@tonic-gate * Set the property type 35897c478bd9Sstevel@tonic-gate */ 35907c478bd9Sstevel@tonic-gate new_propp->prop_flags = flags & DDI_PROP_TYPE_MASK; 35917c478bd9Sstevel@tonic-gate 35927c478bd9Sstevel@tonic-gate /* 35937c478bd9Sstevel@tonic-gate * Set length and value ONLY if not an explicit property undefine: 35947c478bd9Sstevel@tonic-gate * NOTE: value and length are zero for explicit undefines. 35957c478bd9Sstevel@tonic-gate */ 35967c478bd9Sstevel@tonic-gate 35977c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) { 35987c478bd9Sstevel@tonic-gate new_propp->prop_flags |= DDI_PROP_UNDEF_IT; 35997c478bd9Sstevel@tonic-gate } else { 36007c478bd9Sstevel@tonic-gate if ((new_propp->prop_len = length) != 0) { 36017c478bd9Sstevel@tonic-gate new_propp->prop_val = kmem_alloc(length, km_flags); 36027c478bd9Sstevel@tonic-gate if (new_propp->prop_val == 0) { 36037c478bd9Sstevel@tonic-gate kmem_free(new_propp->prop_name, name_buf_len); 36047c478bd9Sstevel@tonic-gate kmem_free(new_propp, sizeof (ddi_prop_t)); 36057c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36067c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36077c478bd9Sstevel@tonic-gate } 36087c478bd9Sstevel@tonic-gate bcopy(value, new_propp->prop_val, length); 36097c478bd9Sstevel@tonic-gate } 36107c478bd9Sstevel@tonic-gate } 36117c478bd9Sstevel@tonic-gate 36127c478bd9Sstevel@tonic-gate /* 36137c478bd9Sstevel@tonic-gate * Link property into beginning of list. (Properties are LIFO order.) 36147c478bd9Sstevel@tonic-gate */ 36157c478bd9Sstevel@tonic-gate 36167c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 36177c478bd9Sstevel@tonic-gate propp = *list_head; 36187c478bd9Sstevel@tonic-gate new_propp->prop_next = propp; 36197c478bd9Sstevel@tonic-gate *list_head = new_propp; 36207c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 36217c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 36227c478bd9Sstevel@tonic-gate } 36237c478bd9Sstevel@tonic-gate 36247c478bd9Sstevel@tonic-gate 36257c478bd9Sstevel@tonic-gate /* 36267c478bd9Sstevel@tonic-gate * ddi_prop_change: Modify a software managed property value 36277c478bd9Sstevel@tonic-gate * 36287c478bd9Sstevel@tonic-gate * Set new length and value if found. 36297c478bd9Sstevel@tonic-gate * returns DDI_PROP_INVAL_ARG if dev is DDI_DEV_T_ANY or 36307c478bd9Sstevel@tonic-gate * input name is the NULL string. 36317c478bd9Sstevel@tonic-gate * returns DDI_PROP_NO_MEMORY if unable to allocate memory 36327c478bd9Sstevel@tonic-gate * 36337c478bd9Sstevel@tonic-gate * Note: an undef can be modified to be a define, 36347c478bd9Sstevel@tonic-gate * (you can't go the other way.) 36357c478bd9Sstevel@tonic-gate */ 36367c478bd9Sstevel@tonic-gate 36377c478bd9Sstevel@tonic-gate static int 36387c478bd9Sstevel@tonic-gate ddi_prop_change(dev_t dev, dev_info_t *dip, int flags, 36397c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 36407c478bd9Sstevel@tonic-gate { 36417c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 36429ac2ddeaScth ddi_prop_t **ppropp; 36437c478bd9Sstevel@tonic-gate caddr_t p = NULL; 36447c478bd9Sstevel@tonic-gate 36459ac2ddeaScth if ((dev == DDI_DEV_T_ANY) || (name == NULL) || (strlen(name) == 0)) 36467c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 36477c478bd9Sstevel@tonic-gate 36487c478bd9Sstevel@tonic-gate /* 36497c478bd9Sstevel@tonic-gate * Preallocate buffer, even if we don't need it... 36507c478bd9Sstevel@tonic-gate */ 36517c478bd9Sstevel@tonic-gate if (length != 0) { 36529ac2ddeaScth p = kmem_alloc(length, (flags & DDI_PROP_CANSLEEP) ? 36539ac2ddeaScth KM_SLEEP : KM_NOSLEEP); 36547c478bd9Sstevel@tonic-gate if (p == NULL) { 36557c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 36567c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 36577c478bd9Sstevel@tonic-gate } 36587c478bd9Sstevel@tonic-gate } 36597c478bd9Sstevel@tonic-gate 36609ac2ddeaScth /* 36619ac2ddeaScth * If the dev_t value contains DDI_MAJOR_T_UNKNOWN for the major 36629ac2ddeaScth * number, a real dev_t value should be created based upon the dip's 36639ac2ddeaScth * binding driver. See ddi_prop_add... 36649ac2ddeaScth */ 36659ac2ddeaScth if (getmajor(dev) == DDI_MAJOR_T_UNKNOWN) 36669ac2ddeaScth dev = makedevice( 36679ac2ddeaScth ddi_name_to_major(DEVI(dip)->devi_binding_name), 36689ac2ddeaScth getminor(dev)); 36699ac2ddeaScth 36707c478bd9Sstevel@tonic-gate /* 36717c478bd9Sstevel@tonic-gate * Check to see if the property exists. If so we modify it. 36727c478bd9Sstevel@tonic-gate * Else we create it by calling ddi_prop_add(). 36737c478bd9Sstevel@tonic-gate */ 36747c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 36759ac2ddeaScth ppropp = &DEVI(dip)->devi_drv_prop_ptr; 36767c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_SYSTEM_DEF) 36779ac2ddeaScth ppropp = &DEVI(dip)->devi_sys_prop_ptr; 36787c478bd9Sstevel@tonic-gate else if (flags & DDI_PROP_HW_DEF) 36799ac2ddeaScth ppropp = &DEVI(dip)->devi_hw_prop_ptr; 36807c478bd9Sstevel@tonic-gate 36819ac2ddeaScth if ((propp = i_ddi_prop_search(dev, name, flags, ppropp)) != NULL) { 36829ac2ddeaScth /* 36839ac2ddeaScth * Need to reallocate buffer? If so, do it 36849ac2ddeaScth * carefully (reuse same space if new prop 36859ac2ddeaScth * is same size and non-NULL sized). 36869ac2ddeaScth */ 36879ac2ddeaScth if (length != 0) 36889ac2ddeaScth bcopy(value, p, length); 36897c478bd9Sstevel@tonic-gate 36909ac2ddeaScth if (propp->prop_len != 0) 36919ac2ddeaScth kmem_free(propp->prop_val, propp->prop_len); 36927c478bd9Sstevel@tonic-gate 36939ac2ddeaScth propp->prop_len = length; 36949ac2ddeaScth propp->prop_val = p; 36959ac2ddeaScth propp->prop_flags &= ~DDI_PROP_UNDEF_IT; 36969ac2ddeaScth mutex_exit(&(DEVI(dip)->devi_lock)); 36979ac2ddeaScth return (DDI_PROP_SUCCESS); 36987c478bd9Sstevel@tonic-gate } 36997c478bd9Sstevel@tonic-gate 37007c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 37017c478bd9Sstevel@tonic-gate if (length != 0) 37027c478bd9Sstevel@tonic-gate kmem_free(p, length); 37039ac2ddeaScth 37047c478bd9Sstevel@tonic-gate return (ddi_prop_add(dev, dip, flags, name, value, length)); 37057c478bd9Sstevel@tonic-gate } 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate /* 37087c478bd9Sstevel@tonic-gate * Common update routine used to update and encode a property. Creates 37097c478bd9Sstevel@tonic-gate * a property handle, calls the property encode routine, figures out if 37107c478bd9Sstevel@tonic-gate * the property already exists and updates if it does. Otherwise it 37117c478bd9Sstevel@tonic-gate * creates if it does not exist. 37127c478bd9Sstevel@tonic-gate */ 37137c478bd9Sstevel@tonic-gate int 37147c478bd9Sstevel@tonic-gate ddi_prop_update_common(dev_t match_dev, dev_info_t *dip, int flags, 37157c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 37167c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 37177c478bd9Sstevel@tonic-gate { 37187c478bd9Sstevel@tonic-gate prop_handle_t ph; 37197c478bd9Sstevel@tonic-gate int rval; 37207c478bd9Sstevel@tonic-gate uint_t ourflags; 37217c478bd9Sstevel@tonic-gate 37227c478bd9Sstevel@tonic-gate /* 37237c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 37247c478bd9Sstevel@tonic-gate * return error. 37257c478bd9Sstevel@tonic-gate */ 37267c478bd9Sstevel@tonic-gate if (match_dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 37277c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 37287c478bd9Sstevel@tonic-gate 37297c478bd9Sstevel@tonic-gate /* 37307c478bd9Sstevel@tonic-gate * Create the handle 37317c478bd9Sstevel@tonic-gate */ 37327c478bd9Sstevel@tonic-gate ph.ph_data = NULL; 37337c478bd9Sstevel@tonic-gate ph.ph_cur_pos = NULL; 37347c478bd9Sstevel@tonic-gate ph.ph_save_pos = NULL; 37357c478bd9Sstevel@tonic-gate ph.ph_size = 0; 37367c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate /* 37397c478bd9Sstevel@tonic-gate * ourflags: 37407c478bd9Sstevel@tonic-gate * For compatibility with the old interfaces. The old interfaces 37417c478bd9Sstevel@tonic-gate * didn't sleep by default and slept when the flag was set. These 37427c478bd9Sstevel@tonic-gate * interfaces to the opposite. So the old interfaces now set the 37437c478bd9Sstevel@tonic-gate * DDI_PROP_DONTSLEEP flag by default which tells us not to sleep. 37447c478bd9Sstevel@tonic-gate * 37457c478bd9Sstevel@tonic-gate * ph.ph_flags: 37467c478bd9Sstevel@tonic-gate * Blocked data or unblocked data allocation 37477c478bd9Sstevel@tonic-gate * for ph.ph_data in ddi_prop_encode_alloc() 37487c478bd9Sstevel@tonic-gate */ 37497c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_DONTSLEEP) { 37507c478bd9Sstevel@tonic-gate ourflags = flags; 37517c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_DONTSLEEP; 37527c478bd9Sstevel@tonic-gate } else { 37537c478bd9Sstevel@tonic-gate ourflags = flags | DDI_PROP_CANSLEEP; 37547c478bd9Sstevel@tonic-gate ph.ph_flags = DDI_PROP_CANSLEEP; 37557c478bd9Sstevel@tonic-gate } 37567c478bd9Sstevel@tonic-gate 37577c478bd9Sstevel@tonic-gate /* 37587c478bd9Sstevel@tonic-gate * Encode the data and store it in the property handle by 37597c478bd9Sstevel@tonic-gate * calling the prop_encode routine. 37607c478bd9Sstevel@tonic-gate */ 37617c478bd9Sstevel@tonic-gate if ((rval = (*prop_create)(&ph, data, nelements)) != 37627c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS) { 37637c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_NO_MEMORY) 37647c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 37657c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 37667c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 37677c478bd9Sstevel@tonic-gate return (rval); 37687c478bd9Sstevel@tonic-gate } 37697c478bd9Sstevel@tonic-gate 37707c478bd9Sstevel@tonic-gate /* 37717c478bd9Sstevel@tonic-gate * The old interfaces use a stacking approach to creating 37727c478bd9Sstevel@tonic-gate * properties. If we are being called from the old interfaces, 37737c478bd9Sstevel@tonic-gate * the DDI_PROP_STACK_CREATE flag will be set, so we just do a 37747c478bd9Sstevel@tonic-gate * create without checking. 37757c478bd9Sstevel@tonic-gate */ 37767c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_STACK_CREATE) { 37777c478bd9Sstevel@tonic-gate rval = ddi_prop_add(match_dev, dip, 37787c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 37797c478bd9Sstevel@tonic-gate } else { 37807c478bd9Sstevel@tonic-gate rval = ddi_prop_change(match_dev, dip, 37817c478bd9Sstevel@tonic-gate ourflags, name, ph.ph_data, ph.ph_size); 37827c478bd9Sstevel@tonic-gate } 37837c478bd9Sstevel@tonic-gate 37847c478bd9Sstevel@tonic-gate /* 37857c478bd9Sstevel@tonic-gate * Free the encoded data allocated in the prop_encode routine. 37867c478bd9Sstevel@tonic-gate */ 37877c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 37887c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 37897c478bd9Sstevel@tonic-gate 37907c478bd9Sstevel@tonic-gate return (rval); 37917c478bd9Sstevel@tonic-gate } 37927c478bd9Sstevel@tonic-gate 37937c478bd9Sstevel@tonic-gate 37947c478bd9Sstevel@tonic-gate /* 37957c478bd9Sstevel@tonic-gate * ddi_prop_create: Define a managed property: 37967c478bd9Sstevel@tonic-gate * See above for details. 37977c478bd9Sstevel@tonic-gate */ 37987c478bd9Sstevel@tonic-gate 37997c478bd9Sstevel@tonic-gate int 38007c478bd9Sstevel@tonic-gate ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38017c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38027c478bd9Sstevel@tonic-gate { 38037c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) { 38047c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38057c478bd9Sstevel@tonic-gate #ifdef DDI_PROP_DEBUG 38067c478bd9Sstevel@tonic-gate if (length != 0) 38077c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!ddi_prop_create: interface obsolete," 38087c478bd9Sstevel@tonic-gate "use ddi_prop_update (prop = %s, node = %s%d)", 38097c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 38107c478bd9Sstevel@tonic-gate #endif /* DDI_PROP_DEBUG */ 38117c478bd9Sstevel@tonic-gate } 38127c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 38137c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38147c478bd9Sstevel@tonic-gate (flag | DDI_PROP_STACK_CREATE | DDI_PROP_TYPE_ANY), name, 38157c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 38167c478bd9Sstevel@tonic-gate } 38177c478bd9Sstevel@tonic-gate 38187c478bd9Sstevel@tonic-gate int 38197c478bd9Sstevel@tonic-gate e_ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 38207c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38217c478bd9Sstevel@tonic-gate { 38227c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38237c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38247c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38257c478bd9Sstevel@tonic-gate (flag | DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | 38267c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_ANY), 38277c478bd9Sstevel@tonic-gate name, value, length, ddi_prop_fm_encode_bytes)); 38287c478bd9Sstevel@tonic-gate } 38297c478bd9Sstevel@tonic-gate 38307c478bd9Sstevel@tonic-gate int 38317c478bd9Sstevel@tonic-gate ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 38327c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38337c478bd9Sstevel@tonic-gate { 38347c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 38357c478bd9Sstevel@tonic-gate 38367c478bd9Sstevel@tonic-gate /* 38377c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 38387c478bd9Sstevel@tonic-gate * return error. 38397c478bd9Sstevel@tonic-gate */ 38407c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 38417c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 38427c478bd9Sstevel@tonic-gate 38437c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38447c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38457c478bd9Sstevel@tonic-gate flag &= ~DDI_PROP_SYSTEM_DEF; 38469ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_NOTPROM), name) == 0) 38477c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 38487c478bd9Sstevel@tonic-gate 38497c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38507c478bd9Sstevel@tonic-gate (flag | DDI_PROP_TYPE_BYTE), name, 38517c478bd9Sstevel@tonic-gate value, length, ddi_prop_fm_encode_bytes)); 38527c478bd9Sstevel@tonic-gate } 38537c478bd9Sstevel@tonic-gate 38547c478bd9Sstevel@tonic-gate int 38557c478bd9Sstevel@tonic-gate e_ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 38567c478bd9Sstevel@tonic-gate char *name, caddr_t value, int length) 38577c478bd9Sstevel@tonic-gate { 38587c478bd9Sstevel@tonic-gate ASSERT((flag & DDI_PROP_TYPE_MASK) == 0); 38597c478bd9Sstevel@tonic-gate 38607c478bd9Sstevel@tonic-gate /* 38617c478bd9Sstevel@tonic-gate * If dev_t is DDI_DEV_T_ANY or name's length is zero, 38627c478bd9Sstevel@tonic-gate * return error. 38637c478bd9Sstevel@tonic-gate */ 38647c478bd9Sstevel@tonic-gate if (dev == DDI_DEV_T_ANY || name == NULL || strlen(name) == 0) 38657c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 38667c478bd9Sstevel@tonic-gate 38679ac2ddeaScth if (ddi_prop_exists(dev, dip, (flag | DDI_PROP_SYSTEM_DEF), name) == 0) 38687c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 38697c478bd9Sstevel@tonic-gate 38707c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 38717c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 38727c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 38737c478bd9Sstevel@tonic-gate (flag | DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE), 38747c478bd9Sstevel@tonic-gate name, value, length, ddi_prop_fm_encode_bytes)); 38757c478bd9Sstevel@tonic-gate } 38767c478bd9Sstevel@tonic-gate 38777c478bd9Sstevel@tonic-gate 38787c478bd9Sstevel@tonic-gate /* 38797c478bd9Sstevel@tonic-gate * Common lookup routine used to lookup and decode a property. 38807c478bd9Sstevel@tonic-gate * Creates a property handle, searches for the raw encoded data, 38817c478bd9Sstevel@tonic-gate * fills in the handle, and calls the property decode functions 38827c478bd9Sstevel@tonic-gate * passed in. 38837c478bd9Sstevel@tonic-gate * 38847c478bd9Sstevel@tonic-gate * This routine is not static because ddi_bus_prop_op() which lives in 38857c478bd9Sstevel@tonic-gate * ddi_impl.c calls it. No driver should be calling this routine. 38867c478bd9Sstevel@tonic-gate */ 38877c478bd9Sstevel@tonic-gate int 38887c478bd9Sstevel@tonic-gate ddi_prop_lookup_common(dev_t match_dev, dev_info_t *dip, 38897c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 38907c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 38917c478bd9Sstevel@tonic-gate { 38927c478bd9Sstevel@tonic-gate int rval; 38937c478bd9Sstevel@tonic-gate uint_t ourflags; 38947c478bd9Sstevel@tonic-gate prop_handle_t ph; 38957c478bd9Sstevel@tonic-gate 38967c478bd9Sstevel@tonic-gate if ((match_dev == DDI_DEV_T_NONE) || 38979ac2ddeaScth (name == NULL) || (strlen(name) == 0)) 38987c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 38997c478bd9Sstevel@tonic-gate 39007c478bd9Sstevel@tonic-gate ourflags = (flags & DDI_PROP_DONTSLEEP) ? flags : 39017c478bd9Sstevel@tonic-gate flags | DDI_PROP_CANSLEEP; 39027c478bd9Sstevel@tonic-gate 39037c478bd9Sstevel@tonic-gate /* 39047c478bd9Sstevel@tonic-gate * Get the encoded data 39057c478bd9Sstevel@tonic-gate */ 39067c478bd9Sstevel@tonic-gate bzero(&ph, sizeof (prop_handle_t)); 39077c478bd9Sstevel@tonic-gate 39087c478bd9Sstevel@tonic-gate if (flags & DDI_UNBND_DLPI2) { 39097c478bd9Sstevel@tonic-gate /* 39107c478bd9Sstevel@tonic-gate * For unbound dlpi style-2 devices, index into 39117c478bd9Sstevel@tonic-gate * the devnames' array and search the global 39127c478bd9Sstevel@tonic-gate * property list. 39137c478bd9Sstevel@tonic-gate */ 39147c478bd9Sstevel@tonic-gate ourflags &= ~DDI_UNBND_DLPI2; 39157c478bd9Sstevel@tonic-gate rval = i_ddi_prop_search_global(match_dev, 39167c478bd9Sstevel@tonic-gate ourflags, name, &ph.ph_data, &ph.ph_size); 39177c478bd9Sstevel@tonic-gate } else { 39187c478bd9Sstevel@tonic-gate rval = ddi_prop_search_common(match_dev, dip, 39197c478bd9Sstevel@tonic-gate PROP_LEN_AND_VAL_ALLOC, ourflags, name, 39207c478bd9Sstevel@tonic-gate &ph.ph_data, &ph.ph_size); 39217c478bd9Sstevel@tonic-gate 39227c478bd9Sstevel@tonic-gate } 39237c478bd9Sstevel@tonic-gate 39247c478bd9Sstevel@tonic-gate if (rval != DDI_PROP_SUCCESS && rval != DDI_PROP_FOUND_1275) { 39257c478bd9Sstevel@tonic-gate ASSERT(ph.ph_data == NULL); 39267c478bd9Sstevel@tonic-gate ASSERT(ph.ph_size == 0); 39277c478bd9Sstevel@tonic-gate return (rval); 39287c478bd9Sstevel@tonic-gate } 39297c478bd9Sstevel@tonic-gate 39307c478bd9Sstevel@tonic-gate /* 39317c478bd9Sstevel@tonic-gate * If the encoded data came from a OBP or software 39327c478bd9Sstevel@tonic-gate * use the 1275 OBP decode/encode routines. 39337c478bd9Sstevel@tonic-gate */ 39347c478bd9Sstevel@tonic-gate ph.ph_cur_pos = ph.ph_data; 39357c478bd9Sstevel@tonic-gate ph.ph_save_pos = ph.ph_data; 39367c478bd9Sstevel@tonic-gate ph.ph_ops = &prop_1275_ops; 39377c478bd9Sstevel@tonic-gate ph.ph_flags = (rval == DDI_PROP_FOUND_1275) ? PH_FROM_PROM : 0; 39387c478bd9Sstevel@tonic-gate 39397c478bd9Sstevel@tonic-gate rval = (*prop_decoder)(&ph, data, nelements); 39407c478bd9Sstevel@tonic-gate 39417c478bd9Sstevel@tonic-gate /* 39427c478bd9Sstevel@tonic-gate * Free the encoded data 39437c478bd9Sstevel@tonic-gate */ 39447c478bd9Sstevel@tonic-gate if (ph.ph_size != 0) 39457c478bd9Sstevel@tonic-gate kmem_free(ph.ph_data, ph.ph_size); 39467c478bd9Sstevel@tonic-gate 39477c478bd9Sstevel@tonic-gate return (rval); 39487c478bd9Sstevel@tonic-gate } 39497c478bd9Sstevel@tonic-gate 39507c478bd9Sstevel@tonic-gate /* 39517c478bd9Sstevel@tonic-gate * Lookup and return an array of composite properties. The driver must 39527c478bd9Sstevel@tonic-gate * provide the decode routine. 39537c478bd9Sstevel@tonic-gate */ 39547c478bd9Sstevel@tonic-gate int 39557c478bd9Sstevel@tonic-gate ddi_prop_lookup(dev_t match_dev, dev_info_t *dip, 39567c478bd9Sstevel@tonic-gate uint_t flags, char *name, void *data, uint_t *nelements, 39577c478bd9Sstevel@tonic-gate int (*prop_decoder)(prop_handle_t *, void *data, uint_t *nelements)) 39587c478bd9Sstevel@tonic-gate { 39597c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 39607c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_COMPOSITE), name, 39617c478bd9Sstevel@tonic-gate data, nelements, prop_decoder)); 39627c478bd9Sstevel@tonic-gate } 39637c478bd9Sstevel@tonic-gate 39647c478bd9Sstevel@tonic-gate /* 39657c478bd9Sstevel@tonic-gate * Return 1 if a property exists (no type checking done). 39667c478bd9Sstevel@tonic-gate * Return 0 if it does not exist. 39677c478bd9Sstevel@tonic-gate */ 39687c478bd9Sstevel@tonic-gate int 39697c478bd9Sstevel@tonic-gate ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name) 39707c478bd9Sstevel@tonic-gate { 39717c478bd9Sstevel@tonic-gate int i; 39727c478bd9Sstevel@tonic-gate uint_t x = 0; 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate i = ddi_prop_search_common(match_dev, dip, PROP_EXISTS, 39757c478bd9Sstevel@tonic-gate flags | DDI_PROP_TYPE_MASK, name, NULL, &x); 39767c478bd9Sstevel@tonic-gate return (i == DDI_PROP_SUCCESS || i == DDI_PROP_FOUND_1275); 39777c478bd9Sstevel@tonic-gate } 39787c478bd9Sstevel@tonic-gate 39797c478bd9Sstevel@tonic-gate 39807c478bd9Sstevel@tonic-gate /* 39817c478bd9Sstevel@tonic-gate * Update an array of composite properties. The driver must 39827c478bd9Sstevel@tonic-gate * provide the encode routine. 39837c478bd9Sstevel@tonic-gate */ 39847c478bd9Sstevel@tonic-gate int 39857c478bd9Sstevel@tonic-gate ddi_prop_update(dev_t match_dev, dev_info_t *dip, 39867c478bd9Sstevel@tonic-gate char *name, void *data, uint_t nelements, 39877c478bd9Sstevel@tonic-gate int (*prop_create)(prop_handle_t *, void *data, uint_t nelements)) 39887c478bd9Sstevel@tonic-gate { 39897c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_COMPOSITE, 39907c478bd9Sstevel@tonic-gate name, data, nelements, prop_create)); 39917c478bd9Sstevel@tonic-gate } 39927c478bd9Sstevel@tonic-gate 39937c478bd9Sstevel@tonic-gate /* 39947c478bd9Sstevel@tonic-gate * Get a single integer or boolean property and return it. 39957c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 39967c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 39977c478bd9Sstevel@tonic-gate * 39987c478bd9Sstevel@tonic-gate * This routine always succeeds. 39997c478bd9Sstevel@tonic-gate */ 40007c478bd9Sstevel@tonic-gate int 40017c478bd9Sstevel@tonic-gate ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 40027c478bd9Sstevel@tonic-gate char *name, int defvalue) 40037c478bd9Sstevel@tonic-gate { 40047c478bd9Sstevel@tonic-gate int data; 40057c478bd9Sstevel@tonic-gate uint_t nelements; 40067c478bd9Sstevel@tonic-gate int rval; 40077c478bd9Sstevel@tonic-gate 40087c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40097c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 40107c478bd9Sstevel@tonic-gate #ifdef DEBUG 40117c478bd9Sstevel@tonic-gate if (dip != NULL) { 40127c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int: invalid flag" 40137c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 40147c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 40157c478bd9Sstevel@tonic-gate } 40167c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 40177c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40187c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 40197c478bd9Sstevel@tonic-gate } 40207c478bd9Sstevel@tonic-gate 40217c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 40227c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, &data, &nelements, 40237c478bd9Sstevel@tonic-gate ddi_prop_fm_decode_int)) != DDI_PROP_SUCCESS) { 40247c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 40257c478bd9Sstevel@tonic-gate data = 1; 40267c478bd9Sstevel@tonic-gate else 40277c478bd9Sstevel@tonic-gate data = defvalue; 40287c478bd9Sstevel@tonic-gate } 40297c478bd9Sstevel@tonic-gate return (data); 40307c478bd9Sstevel@tonic-gate } 40317c478bd9Sstevel@tonic-gate 40327c478bd9Sstevel@tonic-gate /* 40337c478bd9Sstevel@tonic-gate * Get a single 64 bit integer or boolean property and return it. 40347c478bd9Sstevel@tonic-gate * If the property does not exists, or cannot be decoded, 40357c478bd9Sstevel@tonic-gate * then return the defvalue passed in. 40367c478bd9Sstevel@tonic-gate * 40377c478bd9Sstevel@tonic-gate * This routine always succeeds. 40387c478bd9Sstevel@tonic-gate */ 40397c478bd9Sstevel@tonic-gate int64_t 40407c478bd9Sstevel@tonic-gate ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 40417c478bd9Sstevel@tonic-gate char *name, int64_t defvalue) 40427c478bd9Sstevel@tonic-gate { 40437c478bd9Sstevel@tonic-gate int64_t data; 40447c478bd9Sstevel@tonic-gate uint_t nelements; 40457c478bd9Sstevel@tonic-gate int rval; 40467c478bd9Sstevel@tonic-gate 40477c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40487c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 40497c478bd9Sstevel@tonic-gate #ifdef DEBUG 40507c478bd9Sstevel@tonic-gate if (dip != NULL) { 40517c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_get_int64: invalid flag" 40527c478bd9Sstevel@tonic-gate " 0x%x (prop = %s, node = %s%d)", flags, 40537c478bd9Sstevel@tonic-gate name, ddi_driver_name(dip), ddi_get_instance(dip)); 40547c478bd9Sstevel@tonic-gate } 40557c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 40567c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 40577c478bd9Sstevel@tonic-gate } 40587c478bd9Sstevel@tonic-gate 40597c478bd9Sstevel@tonic-gate if ((rval = ddi_prop_lookup_common(match_dev, dip, 40607c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 40617c478bd9Sstevel@tonic-gate name, &data, &nelements, ddi_prop_fm_decode_int64)) 40627c478bd9Sstevel@tonic-gate != DDI_PROP_SUCCESS) { 40637c478bd9Sstevel@tonic-gate if (rval == DDI_PROP_END_OF_DATA) 40647c478bd9Sstevel@tonic-gate data = 1; 40657c478bd9Sstevel@tonic-gate else 40667c478bd9Sstevel@tonic-gate data = defvalue; 40677c478bd9Sstevel@tonic-gate } 40687c478bd9Sstevel@tonic-gate return (data); 40697c478bd9Sstevel@tonic-gate } 40707c478bd9Sstevel@tonic-gate 40717c478bd9Sstevel@tonic-gate /* 40727c478bd9Sstevel@tonic-gate * Get an array of integer property 40737c478bd9Sstevel@tonic-gate */ 40747c478bd9Sstevel@tonic-gate int 40757c478bd9Sstevel@tonic-gate ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 40767c478bd9Sstevel@tonic-gate char *name, int **data, uint_t *nelements) 40777c478bd9Sstevel@tonic-gate { 40787c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40797c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 40807c478bd9Sstevel@tonic-gate #ifdef DEBUG 40817c478bd9Sstevel@tonic-gate if (dip != NULL) { 40827c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int_array: " 40837c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 40847c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 40857c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 40867c478bd9Sstevel@tonic-gate } 40877c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 40887c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 40897c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 40907c478bd9Sstevel@tonic-gate } 40917c478bd9Sstevel@tonic-gate 40927c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 40937c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT), name, data, 40947c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_ints)); 40957c478bd9Sstevel@tonic-gate } 40967c478bd9Sstevel@tonic-gate 40977c478bd9Sstevel@tonic-gate /* 40987c478bd9Sstevel@tonic-gate * Get an array of 64 bit integer properties 40997c478bd9Sstevel@tonic-gate */ 41007c478bd9Sstevel@tonic-gate int 41017c478bd9Sstevel@tonic-gate ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 41027c478bd9Sstevel@tonic-gate char *name, int64_t **data, uint_t *nelements) 41037c478bd9Sstevel@tonic-gate { 41047c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 41057c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 41067c478bd9Sstevel@tonic-gate #ifdef DEBUG 41077c478bd9Sstevel@tonic-gate if (dip != NULL) { 41087c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_int64_array: " 41097c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 41107c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 41117c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 41127c478bd9Sstevel@tonic-gate } 41137c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 41147c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 41157c478bd9Sstevel@tonic-gate } 41167c478bd9Sstevel@tonic-gate 41177c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 41187c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_INT64 | DDI_PROP_NOTPROM), 41197c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_decode_int64_array)); 41207c478bd9Sstevel@tonic-gate } 41217c478bd9Sstevel@tonic-gate 41227c478bd9Sstevel@tonic-gate /* 41237c478bd9Sstevel@tonic-gate * Update a single integer property. If the property exists on the drivers 41247c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 41257c478bd9Sstevel@tonic-gate */ 41267c478bd9Sstevel@tonic-gate int 41277c478bd9Sstevel@tonic-gate ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41287c478bd9Sstevel@tonic-gate char *name, int data) 41297c478bd9Sstevel@tonic-gate { 41307c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 41317c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 41327c478bd9Sstevel@tonic-gate } 41337c478bd9Sstevel@tonic-gate 41347c478bd9Sstevel@tonic-gate /* 41357c478bd9Sstevel@tonic-gate * Update a single 64 bit integer property. 41367c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 41377c478bd9Sstevel@tonic-gate */ 41387c478bd9Sstevel@tonic-gate int 41397c478bd9Sstevel@tonic-gate ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 41407c478bd9Sstevel@tonic-gate char *name, int64_t data) 41417c478bd9Sstevel@tonic-gate { 41427c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 41437c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 41447c478bd9Sstevel@tonic-gate } 41457c478bd9Sstevel@tonic-gate 41467c478bd9Sstevel@tonic-gate int 41477c478bd9Sstevel@tonic-gate e_ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 41487c478bd9Sstevel@tonic-gate char *name, int data) 41497c478bd9Sstevel@tonic-gate { 41507c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 41517c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 41527c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_ints)); 41537c478bd9Sstevel@tonic-gate } 41547c478bd9Sstevel@tonic-gate 41557c478bd9Sstevel@tonic-gate int 41567c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 41577c478bd9Sstevel@tonic-gate char *name, int64_t data) 41587c478bd9Sstevel@tonic-gate { 41597c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 41607c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 41617c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_int64)); 41627c478bd9Sstevel@tonic-gate } 41637c478bd9Sstevel@tonic-gate 41647c478bd9Sstevel@tonic-gate /* 41657c478bd9Sstevel@tonic-gate * Update an array of integer property. If the property exists on the drivers 41667c478bd9Sstevel@tonic-gate * property list it updates, else it creates it. 41677c478bd9Sstevel@tonic-gate */ 41687c478bd9Sstevel@tonic-gate int 41697c478bd9Sstevel@tonic-gate ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 41707c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 41717c478bd9Sstevel@tonic-gate { 41727c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT, 41737c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 41747c478bd9Sstevel@tonic-gate } 41757c478bd9Sstevel@tonic-gate 41767c478bd9Sstevel@tonic-gate /* 41777c478bd9Sstevel@tonic-gate * Update an array of 64 bit integer properties. 41787c478bd9Sstevel@tonic-gate * Update the driver property list if it exists, else create it. 41797c478bd9Sstevel@tonic-gate */ 41807c478bd9Sstevel@tonic-gate int 41817c478bd9Sstevel@tonic-gate ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 41827c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 41837c478bd9Sstevel@tonic-gate { 41847c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_INT64, 41857c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 41867c478bd9Sstevel@tonic-gate } 41877c478bd9Sstevel@tonic-gate 41887c478bd9Sstevel@tonic-gate int 41897c478bd9Sstevel@tonic-gate e_ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 41907c478bd9Sstevel@tonic-gate char *name, int64_t *data, uint_t nelements) 41917c478bd9Sstevel@tonic-gate { 41927c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 41937c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT64, 41947c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_int64)); 41957c478bd9Sstevel@tonic-gate } 41967c478bd9Sstevel@tonic-gate 41977c478bd9Sstevel@tonic-gate int 41987c478bd9Sstevel@tonic-gate e_ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 41997c478bd9Sstevel@tonic-gate char *name, int *data, uint_t nelements) 42007c478bd9Sstevel@tonic-gate { 42017c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42027c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_INT, 42037c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_ints)); 42047c478bd9Sstevel@tonic-gate } 42057c478bd9Sstevel@tonic-gate 42067c478bd9Sstevel@tonic-gate /* 42077c478bd9Sstevel@tonic-gate * Get a single string property. 42087c478bd9Sstevel@tonic-gate */ 42097c478bd9Sstevel@tonic-gate int 42107c478bd9Sstevel@tonic-gate ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 42117c478bd9Sstevel@tonic-gate char *name, char **data) 42127c478bd9Sstevel@tonic-gate { 42137c478bd9Sstevel@tonic-gate uint_t x; 42147c478bd9Sstevel@tonic-gate 42157c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42167c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 42177c478bd9Sstevel@tonic-gate #ifdef DEBUG 42187c478bd9Sstevel@tonic-gate if (dip != NULL) { 42197c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s: invalid flag 0x%x " 42207c478bd9Sstevel@tonic-gate "(prop = %s, node = %s%d); invalid bits ignored", 42217c478bd9Sstevel@tonic-gate "ddi_prop_lookup_string", flags, name, 42227c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 42237c478bd9Sstevel@tonic-gate } 42247c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 42257c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42267c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 42277c478bd9Sstevel@tonic-gate } 42287c478bd9Sstevel@tonic-gate 42297c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 42307c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 42317c478bd9Sstevel@tonic-gate &x, ddi_prop_fm_decode_string)); 42327c478bd9Sstevel@tonic-gate } 42337c478bd9Sstevel@tonic-gate 42347c478bd9Sstevel@tonic-gate /* 42357c478bd9Sstevel@tonic-gate * Get an array of strings property. 42367c478bd9Sstevel@tonic-gate */ 42377c478bd9Sstevel@tonic-gate int 42387c478bd9Sstevel@tonic-gate ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 42397c478bd9Sstevel@tonic-gate char *name, char ***data, uint_t *nelements) 42407c478bd9Sstevel@tonic-gate { 42417c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42427c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 42437c478bd9Sstevel@tonic-gate #ifdef DEBUG 42447c478bd9Sstevel@tonic-gate if (dip != NULL) { 42457c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_string_array: " 42467c478bd9Sstevel@tonic-gate "invalid flag 0x%x (prop = %s, node = %s%d)", 42477c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 42487c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 42497c478bd9Sstevel@tonic-gate } 42507c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 42517c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 42527c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 42537c478bd9Sstevel@tonic-gate } 42547c478bd9Sstevel@tonic-gate 42557c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 42567c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_STRING), name, data, 42577c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_strings)); 42587c478bd9Sstevel@tonic-gate } 42597c478bd9Sstevel@tonic-gate 42607c478bd9Sstevel@tonic-gate /* 42617c478bd9Sstevel@tonic-gate * Update a single string property. 42627c478bd9Sstevel@tonic-gate */ 42637c478bd9Sstevel@tonic-gate int 42647c478bd9Sstevel@tonic-gate ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 42657c478bd9Sstevel@tonic-gate char *name, char *data) 42667c478bd9Sstevel@tonic-gate { 42677c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42687c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, &data, 1, 42697c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_string)); 42707c478bd9Sstevel@tonic-gate } 42717c478bd9Sstevel@tonic-gate 42727c478bd9Sstevel@tonic-gate int 42737c478bd9Sstevel@tonic-gate e_ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 42747c478bd9Sstevel@tonic-gate char *name, char *data) 42757c478bd9Sstevel@tonic-gate { 42767c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42777c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 42787c478bd9Sstevel@tonic-gate name, &data, 1, ddi_prop_fm_encode_string)); 42797c478bd9Sstevel@tonic-gate } 42807c478bd9Sstevel@tonic-gate 42817c478bd9Sstevel@tonic-gate 42827c478bd9Sstevel@tonic-gate /* 42837c478bd9Sstevel@tonic-gate * Update an array of strings property. 42847c478bd9Sstevel@tonic-gate */ 42857c478bd9Sstevel@tonic-gate int 42867c478bd9Sstevel@tonic-gate ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 42877c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 42887c478bd9Sstevel@tonic-gate { 42897c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42907c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_STRING, name, data, nelements, 42917c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 42927c478bd9Sstevel@tonic-gate } 42937c478bd9Sstevel@tonic-gate 42947c478bd9Sstevel@tonic-gate int 42957c478bd9Sstevel@tonic-gate e_ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 42967c478bd9Sstevel@tonic-gate char *name, char **data, uint_t nelements) 42977c478bd9Sstevel@tonic-gate { 42987c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 42997c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_STRING, 43007c478bd9Sstevel@tonic-gate name, data, nelements, 43017c478bd9Sstevel@tonic-gate ddi_prop_fm_encode_strings)); 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate 43047c478bd9Sstevel@tonic-gate 43057c478bd9Sstevel@tonic-gate /* 43067c478bd9Sstevel@tonic-gate * Get an array of bytes property. 43077c478bd9Sstevel@tonic-gate */ 43087c478bd9Sstevel@tonic-gate int 43097c478bd9Sstevel@tonic-gate ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 43107c478bd9Sstevel@tonic-gate char *name, uchar_t **data, uint_t *nelements) 43117c478bd9Sstevel@tonic-gate { 43127c478bd9Sstevel@tonic-gate if (flags & ~(DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 43137c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2)) { 43147c478bd9Sstevel@tonic-gate #ifdef DEBUG 43157c478bd9Sstevel@tonic-gate if (dip != NULL) { 43167c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_prop_lookup_byte_array: " 43177c478bd9Sstevel@tonic-gate " invalid flag 0x%x (prop = %s, node = %s%d)", 43187c478bd9Sstevel@tonic-gate flags, name, ddi_driver_name(dip), 43197c478bd9Sstevel@tonic-gate ddi_get_instance(dip)); 43207c478bd9Sstevel@tonic-gate } 43217c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 43227c478bd9Sstevel@tonic-gate flags &= DDI_PROP_DONTPASS | DDI_PROP_NOTPROM | 43237c478bd9Sstevel@tonic-gate LDI_DEV_T_ANY | DDI_UNBND_DLPI2; 43247c478bd9Sstevel@tonic-gate } 43257c478bd9Sstevel@tonic-gate 43267c478bd9Sstevel@tonic-gate return (ddi_prop_lookup_common(match_dev, dip, 43277c478bd9Sstevel@tonic-gate (flags | DDI_PROP_TYPE_BYTE), name, data, 43287c478bd9Sstevel@tonic-gate nelements, ddi_prop_fm_decode_bytes)); 43297c478bd9Sstevel@tonic-gate } 43307c478bd9Sstevel@tonic-gate 43317c478bd9Sstevel@tonic-gate /* 43327c478bd9Sstevel@tonic-gate * Update an array of bytes property. 43337c478bd9Sstevel@tonic-gate */ 43347c478bd9Sstevel@tonic-gate int 43357c478bd9Sstevel@tonic-gate ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43367c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43377c478bd9Sstevel@tonic-gate { 43387c478bd9Sstevel@tonic-gate if (nelements == 0) 43397c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43407c478bd9Sstevel@tonic-gate 43417c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, DDI_PROP_TYPE_BYTE, 43427c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 43437c478bd9Sstevel@tonic-gate } 43447c478bd9Sstevel@tonic-gate 43457c478bd9Sstevel@tonic-gate 43467c478bd9Sstevel@tonic-gate int 43477c478bd9Sstevel@tonic-gate e_ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 43487c478bd9Sstevel@tonic-gate char *name, uchar_t *data, uint_t nelements) 43497c478bd9Sstevel@tonic-gate { 43507c478bd9Sstevel@tonic-gate if (nelements == 0) 43517c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43527c478bd9Sstevel@tonic-gate 43537c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(match_dev, dip, 43547c478bd9Sstevel@tonic-gate DDI_PROP_SYSTEM_DEF | DDI_PROP_TYPE_BYTE, 43557c478bd9Sstevel@tonic-gate name, data, nelements, ddi_prop_fm_encode_bytes)); 43567c478bd9Sstevel@tonic-gate } 43577c478bd9Sstevel@tonic-gate 43587c478bd9Sstevel@tonic-gate 43597c478bd9Sstevel@tonic-gate /* 43607c478bd9Sstevel@tonic-gate * ddi_prop_remove_common: Undefine a managed property: 43617c478bd9Sstevel@tonic-gate * Input dev_t must match dev_t when defined. 43627c478bd9Sstevel@tonic-gate * Returns DDI_PROP_NOT_FOUND, possibly. 43637c478bd9Sstevel@tonic-gate * DDI_PROP_INVAL_ARG is also possible if dev is 43647c478bd9Sstevel@tonic-gate * DDI_DEV_T_ANY or incoming name is the NULL string. 43657c478bd9Sstevel@tonic-gate */ 43667c478bd9Sstevel@tonic-gate int 43677c478bd9Sstevel@tonic-gate ddi_prop_remove_common(dev_t dev, dev_info_t *dip, char *name, int flag) 43687c478bd9Sstevel@tonic-gate { 43697c478bd9Sstevel@tonic-gate ddi_prop_t **list_head = &(DEVI(dip)->devi_drv_prop_ptr); 43707c478bd9Sstevel@tonic-gate ddi_prop_t *propp; 43717c478bd9Sstevel@tonic-gate ddi_prop_t *lastpropp = NULL; 43727c478bd9Sstevel@tonic-gate 43737c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || (name == (char *)0) || 43747c478bd9Sstevel@tonic-gate (strlen(name) == 0)) { 43757c478bd9Sstevel@tonic-gate return (DDI_PROP_INVAL_ARG); 43767c478bd9Sstevel@tonic-gate } 43777c478bd9Sstevel@tonic-gate 43787c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) 43797c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 43807c478bd9Sstevel@tonic-gate else if (flag & DDI_PROP_HW_DEF) 43817c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 43827c478bd9Sstevel@tonic-gate 43837c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 43847c478bd9Sstevel@tonic-gate 43857c478bd9Sstevel@tonic-gate for (propp = *list_head; propp != NULL; propp = propp->prop_next) { 43862cd7878fScth if (DDI_STRSAME(propp->prop_name, name) && 43877c478bd9Sstevel@tonic-gate (dev == propp->prop_dev)) { 43887c478bd9Sstevel@tonic-gate /* 43897c478bd9Sstevel@tonic-gate * Unlink this propp allowing for it to 43907c478bd9Sstevel@tonic-gate * be first in the list: 43917c478bd9Sstevel@tonic-gate */ 43927c478bd9Sstevel@tonic-gate 43937c478bd9Sstevel@tonic-gate if (lastpropp == NULL) 43947c478bd9Sstevel@tonic-gate *list_head = propp->prop_next; 43957c478bd9Sstevel@tonic-gate else 43967c478bd9Sstevel@tonic-gate lastpropp->prop_next = propp->prop_next; 43977c478bd9Sstevel@tonic-gate 43987c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 43997c478bd9Sstevel@tonic-gate 44007c478bd9Sstevel@tonic-gate /* 44017c478bd9Sstevel@tonic-gate * Free memory and return... 44027c478bd9Sstevel@tonic-gate */ 44037c478bd9Sstevel@tonic-gate kmem_free(propp->prop_name, 44047c478bd9Sstevel@tonic-gate strlen(propp->prop_name) + 1); 44057c478bd9Sstevel@tonic-gate if (propp->prop_len != 0) 44067c478bd9Sstevel@tonic-gate kmem_free(propp->prop_val, propp->prop_len); 44077c478bd9Sstevel@tonic-gate kmem_free(propp, sizeof (ddi_prop_t)); 44087c478bd9Sstevel@tonic-gate return (DDI_PROP_SUCCESS); 44097c478bd9Sstevel@tonic-gate } 44107c478bd9Sstevel@tonic-gate lastpropp = propp; 44117c478bd9Sstevel@tonic-gate } 44127c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44137c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 44147c478bd9Sstevel@tonic-gate } 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate int 44177c478bd9Sstevel@tonic-gate ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44187c478bd9Sstevel@tonic-gate { 44197c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, 0)); 44207c478bd9Sstevel@tonic-gate } 44217c478bd9Sstevel@tonic-gate 44227c478bd9Sstevel@tonic-gate int 44237c478bd9Sstevel@tonic-gate e_ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name) 44247c478bd9Sstevel@tonic-gate { 44257c478bd9Sstevel@tonic-gate return (ddi_prop_remove_common(dev, dip, name, DDI_PROP_SYSTEM_DEF)); 44267c478bd9Sstevel@tonic-gate } 44277c478bd9Sstevel@tonic-gate 44287c478bd9Sstevel@tonic-gate /* 44297c478bd9Sstevel@tonic-gate * e_ddi_prop_list_delete: remove a list of properties 44307c478bd9Sstevel@tonic-gate * Note that the caller needs to provide the required protection 44317c478bd9Sstevel@tonic-gate * (eg. devi_lock if these properties are still attached to a devi) 44327c478bd9Sstevel@tonic-gate */ 44337c478bd9Sstevel@tonic-gate void 44347c478bd9Sstevel@tonic-gate e_ddi_prop_list_delete(ddi_prop_t *props) 44357c478bd9Sstevel@tonic-gate { 44367c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(props); 44377c478bd9Sstevel@tonic-gate } 44387c478bd9Sstevel@tonic-gate 44397c478bd9Sstevel@tonic-gate /* 44407c478bd9Sstevel@tonic-gate * ddi_prop_remove_all_common: 44417c478bd9Sstevel@tonic-gate * Used before unloading a driver to remove 44427c478bd9Sstevel@tonic-gate * all properties. (undefines all dev_t's props.) 44437c478bd9Sstevel@tonic-gate * Also removes `explicitly undefined' props. 44447c478bd9Sstevel@tonic-gate * No errors possible. 44457c478bd9Sstevel@tonic-gate */ 44467c478bd9Sstevel@tonic-gate void 44477c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dev_info_t *dip, int flag) 44487c478bd9Sstevel@tonic-gate { 44497c478bd9Sstevel@tonic-gate ddi_prop_t **list_head; 44507c478bd9Sstevel@tonic-gate 44517c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 44527c478bd9Sstevel@tonic-gate if (flag & DDI_PROP_SYSTEM_DEF) { 44537c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_sys_prop_ptr); 44547c478bd9Sstevel@tonic-gate } else if (flag & DDI_PROP_HW_DEF) { 44557c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_hw_prop_ptr); 44567c478bd9Sstevel@tonic-gate } else { 44577c478bd9Sstevel@tonic-gate list_head = &(DEVI(dip)->devi_drv_prop_ptr); 44587c478bd9Sstevel@tonic-gate } 44597c478bd9Sstevel@tonic-gate i_ddi_prop_list_delete(*list_head); 44607c478bd9Sstevel@tonic-gate *list_head = NULL; 44617c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 44627c478bd9Sstevel@tonic-gate } 44637c478bd9Sstevel@tonic-gate 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate /* 44667c478bd9Sstevel@tonic-gate * ddi_prop_remove_all: Remove all driver prop definitions. 44677c478bd9Sstevel@tonic-gate */ 44687c478bd9Sstevel@tonic-gate 44697c478bd9Sstevel@tonic-gate void 44707c478bd9Sstevel@tonic-gate ddi_prop_remove_all(dev_info_t *dip) 44717c478bd9Sstevel@tonic-gate { 44727c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, 0); 44737c478bd9Sstevel@tonic-gate } 44747c478bd9Sstevel@tonic-gate 44757c478bd9Sstevel@tonic-gate /* 44767c478bd9Sstevel@tonic-gate * e_ddi_prop_remove_all: Remove all system prop definitions. 44777c478bd9Sstevel@tonic-gate */ 44787c478bd9Sstevel@tonic-gate 44797c478bd9Sstevel@tonic-gate void 44807c478bd9Sstevel@tonic-gate e_ddi_prop_remove_all(dev_info_t *dip) 44817c478bd9Sstevel@tonic-gate { 44827c478bd9Sstevel@tonic-gate ddi_prop_remove_all_common(dip, (int)DDI_PROP_SYSTEM_DEF); 44837c478bd9Sstevel@tonic-gate } 44847c478bd9Sstevel@tonic-gate 44857c478bd9Sstevel@tonic-gate 44867c478bd9Sstevel@tonic-gate /* 44877c478bd9Sstevel@tonic-gate * ddi_prop_undefine: Explicitly undefine a property. Property 44887c478bd9Sstevel@tonic-gate * searches which match this property return 44897c478bd9Sstevel@tonic-gate * the error code DDI_PROP_UNDEFINED. 44907c478bd9Sstevel@tonic-gate * 44917c478bd9Sstevel@tonic-gate * Use ddi_prop_remove to negate effect of 44927c478bd9Sstevel@tonic-gate * ddi_prop_undefine 44937c478bd9Sstevel@tonic-gate * 44947c478bd9Sstevel@tonic-gate * See above for error returns. 44957c478bd9Sstevel@tonic-gate */ 44967c478bd9Sstevel@tonic-gate 44977c478bd9Sstevel@tonic-gate int 44987c478bd9Sstevel@tonic-gate ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 44997c478bd9Sstevel@tonic-gate { 45007c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45017c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 45027c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 45037c478bd9Sstevel@tonic-gate (flag | DDI_PROP_STACK_CREATE | DDI_PROP_UNDEF_IT | 45047c478bd9Sstevel@tonic-gate DDI_PROP_TYPE_ANY), name, NULL, 0, ddi_prop_fm_encode_bytes)); 45057c478bd9Sstevel@tonic-gate } 45067c478bd9Sstevel@tonic-gate 45077c478bd9Sstevel@tonic-gate int 45087c478bd9Sstevel@tonic-gate e_ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name) 45097c478bd9Sstevel@tonic-gate { 45107c478bd9Sstevel@tonic-gate if (!(flag & DDI_PROP_CANSLEEP)) 45117c478bd9Sstevel@tonic-gate flag |= DDI_PROP_DONTSLEEP; 45127c478bd9Sstevel@tonic-gate return (ddi_prop_update_common(dev, dip, 45137c478bd9Sstevel@tonic-gate (flag | DDI_PROP_SYSTEM_DEF | DDI_PROP_STACK_CREATE | 45147c478bd9Sstevel@tonic-gate DDI_PROP_UNDEF_IT | DDI_PROP_TYPE_ANY), 45157c478bd9Sstevel@tonic-gate name, NULL, 0, ddi_prop_fm_encode_bytes)); 45167c478bd9Sstevel@tonic-gate } 45177c478bd9Sstevel@tonic-gate 45187c478bd9Sstevel@tonic-gate /* 45197c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, on behalf of child. 45207c478bd9Sstevel@tonic-gate * 45217c478bd9Sstevel@tonic-gate * if input dip != child_dip, then call is on behalf of child 45227c478bd9Sstevel@tonic-gate * to search PROM, do it via ddi_prop_search_common() and ascend only 45237c478bd9Sstevel@tonic-gate * if allowed. 45247c478bd9Sstevel@tonic-gate * 45257c478bd9Sstevel@tonic-gate * if input dip == ch_dip (child_dip), call is on behalf of root driver, 45267c478bd9Sstevel@tonic-gate * to search for PROM defined props only. 45277c478bd9Sstevel@tonic-gate * 45287c478bd9Sstevel@tonic-gate * Note that the PROM search is done only if the requested dev 45297c478bd9Sstevel@tonic-gate * is either DDI_DEV_T_ANY or DDI_DEV_T_NONE. PROM properties 45307c478bd9Sstevel@tonic-gate * have no associated dev, thus are automatically associated with 45317c478bd9Sstevel@tonic-gate * DDI_DEV_T_NONE. 45327c478bd9Sstevel@tonic-gate * 45337c478bd9Sstevel@tonic-gate * Modifying flag DDI_PROP_NOTPROM inhibits the search in the h/w layer. 45347c478bd9Sstevel@tonic-gate * 45357c478bd9Sstevel@tonic-gate * Returns DDI_PROP_FOUND_1275 if found to indicate to framework 45367c478bd9Sstevel@tonic-gate * that the property resides in the prom. 45377c478bd9Sstevel@tonic-gate */ 45387c478bd9Sstevel@tonic-gate int 45397c478bd9Sstevel@tonic-gate impl_ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 45407c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 45417c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 45427c478bd9Sstevel@tonic-gate { 45437c478bd9Sstevel@tonic-gate int len; 45447c478bd9Sstevel@tonic-gate caddr_t buffer; 45457c478bd9Sstevel@tonic-gate 45467c478bd9Sstevel@tonic-gate /* 45477c478bd9Sstevel@tonic-gate * If requested dev is DDI_DEV_T_NONE or DDI_DEV_T_ANY, then 45487c478bd9Sstevel@tonic-gate * look in caller's PROM if it's a self identifying device... 45497c478bd9Sstevel@tonic-gate * 45507c478bd9Sstevel@tonic-gate * Note that this is very similar to ddi_prop_op, but we 45517c478bd9Sstevel@tonic-gate * search the PROM instead of the s/w defined properties, 45527c478bd9Sstevel@tonic-gate * and we are called on by the parent driver to do this for 45537c478bd9Sstevel@tonic-gate * the child. 45547c478bd9Sstevel@tonic-gate */ 45557c478bd9Sstevel@tonic-gate 45567c478bd9Sstevel@tonic-gate if (((dev == DDI_DEV_T_NONE) || (dev == DDI_DEV_T_ANY)) && 45577c478bd9Sstevel@tonic-gate ndi_dev_is_prom_node(ch_dip) && 45587c478bd9Sstevel@tonic-gate ((mod_flags & DDI_PROP_NOTPROM) == 0)) { 45597c478bd9Sstevel@tonic-gate len = prom_getproplen((dnode_t)DEVI(ch_dip)->devi_nodeid, name); 45607c478bd9Sstevel@tonic-gate if (len == -1) { 45617c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 45627c478bd9Sstevel@tonic-gate } 45637c478bd9Sstevel@tonic-gate 45647c478bd9Sstevel@tonic-gate /* 45657c478bd9Sstevel@tonic-gate * If exists only request, we're done 45667c478bd9Sstevel@tonic-gate */ 45677c478bd9Sstevel@tonic-gate if (prop_op == PROP_EXISTS) { 45687c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 45697c478bd9Sstevel@tonic-gate } 45707c478bd9Sstevel@tonic-gate 45717c478bd9Sstevel@tonic-gate /* 45727c478bd9Sstevel@tonic-gate * If length only request or prop length == 0, get out 45737c478bd9Sstevel@tonic-gate */ 45747c478bd9Sstevel@tonic-gate if ((prop_op == PROP_LEN) || (len == 0)) { 45757c478bd9Sstevel@tonic-gate *lengthp = len; 45767c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 45777c478bd9Sstevel@tonic-gate } 45787c478bd9Sstevel@tonic-gate 45797c478bd9Sstevel@tonic-gate /* 45807c478bd9Sstevel@tonic-gate * Allocate buffer if required... (either way `buffer' 45817c478bd9Sstevel@tonic-gate * is receiving address). 45827c478bd9Sstevel@tonic-gate */ 45837c478bd9Sstevel@tonic-gate 45847c478bd9Sstevel@tonic-gate switch (prop_op) { 45857c478bd9Sstevel@tonic-gate 45867c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_ALLOC: 45877c478bd9Sstevel@tonic-gate 45887c478bd9Sstevel@tonic-gate buffer = kmem_alloc((size_t)len, 45897c478bd9Sstevel@tonic-gate mod_flags & DDI_PROP_CANSLEEP ? 45907c478bd9Sstevel@tonic-gate KM_SLEEP : KM_NOSLEEP); 45917c478bd9Sstevel@tonic-gate if (buffer == NULL) { 45927c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 45937c478bd9Sstevel@tonic-gate } 45947c478bd9Sstevel@tonic-gate *(caddr_t *)valuep = buffer; 45957c478bd9Sstevel@tonic-gate break; 45967c478bd9Sstevel@tonic-gate 45977c478bd9Sstevel@tonic-gate case PROP_LEN_AND_VAL_BUF: 45987c478bd9Sstevel@tonic-gate 45997c478bd9Sstevel@tonic-gate if (len > (*lengthp)) { 46007c478bd9Sstevel@tonic-gate *lengthp = len; 46017c478bd9Sstevel@tonic-gate return (DDI_PROP_BUF_TOO_SMALL); 46027c478bd9Sstevel@tonic-gate } 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate buffer = valuep; 46057c478bd9Sstevel@tonic-gate break; 46067c478bd9Sstevel@tonic-gate 46077c478bd9Sstevel@tonic-gate default: 46087c478bd9Sstevel@tonic-gate break; 46097c478bd9Sstevel@tonic-gate } 46107c478bd9Sstevel@tonic-gate 46117c478bd9Sstevel@tonic-gate /* 46127c478bd9Sstevel@tonic-gate * Call the PROM function to do the copy. 46137c478bd9Sstevel@tonic-gate */ 46147c478bd9Sstevel@tonic-gate (void) prom_getprop((dnode_t)DEVI(ch_dip)->devi_nodeid, 46157c478bd9Sstevel@tonic-gate name, buffer); 46167c478bd9Sstevel@tonic-gate 46177c478bd9Sstevel@tonic-gate *lengthp = len; /* return the actual length to the caller */ 46187c478bd9Sstevel@tonic-gate (void) impl_fix_props(dip, ch_dip, name, len, buffer); 46197c478bd9Sstevel@tonic-gate return (DDI_PROP_FOUND_1275); 46207c478bd9Sstevel@tonic-gate } 46217c478bd9Sstevel@tonic-gate 46227c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 46237c478bd9Sstevel@tonic-gate } 46247c478bd9Sstevel@tonic-gate 46257c478bd9Sstevel@tonic-gate /* 46267c478bd9Sstevel@tonic-gate * The ddi_bus_prop_op default bus nexus prop op function. 46277c478bd9Sstevel@tonic-gate * 46287c478bd9Sstevel@tonic-gate * Code to search hardware layer (PROM), if it exists, 46297c478bd9Sstevel@tonic-gate * on behalf of child, then, if appropriate, ascend and check 46307c478bd9Sstevel@tonic-gate * my own software defined properties... 46317c478bd9Sstevel@tonic-gate */ 46327c478bd9Sstevel@tonic-gate int 46337c478bd9Sstevel@tonic-gate ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 46347c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op, int mod_flags, 46357c478bd9Sstevel@tonic-gate char *name, caddr_t valuep, int *lengthp) 46367c478bd9Sstevel@tonic-gate { 46377c478bd9Sstevel@tonic-gate int error; 46387c478bd9Sstevel@tonic-gate 46397c478bd9Sstevel@tonic-gate error = impl_ddi_bus_prop_op(dev, dip, ch_dip, prop_op, mod_flags, 46407c478bd9Sstevel@tonic-gate name, valuep, lengthp); 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate if (error == DDI_PROP_SUCCESS || error == DDI_PROP_FOUND_1275 || 46437c478bd9Sstevel@tonic-gate error == DDI_PROP_BUF_TOO_SMALL) 46447c478bd9Sstevel@tonic-gate return (error); 46457c478bd9Sstevel@tonic-gate 46467c478bd9Sstevel@tonic-gate if (error == DDI_PROP_NO_MEMORY) { 46477c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, prop_no_mem_msg, name); 46487c478bd9Sstevel@tonic-gate return (DDI_PROP_NO_MEMORY); 46497c478bd9Sstevel@tonic-gate } 46507c478bd9Sstevel@tonic-gate 46517c478bd9Sstevel@tonic-gate /* 46527c478bd9Sstevel@tonic-gate * Check the 'options' node as a last resort 46537c478bd9Sstevel@tonic-gate */ 46547c478bd9Sstevel@tonic-gate if ((mod_flags & DDI_PROP_DONTPASS) != 0) 46557c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 46567c478bd9Sstevel@tonic-gate 46577c478bd9Sstevel@tonic-gate if (ch_dip == ddi_root_node()) { 46587c478bd9Sstevel@tonic-gate /* 46597c478bd9Sstevel@tonic-gate * As a last resort, when we've reached 46607c478bd9Sstevel@tonic-gate * the top and still haven't found the 46617c478bd9Sstevel@tonic-gate * property, see if the desired property 46627c478bd9Sstevel@tonic-gate * is attached to the options node. 46637c478bd9Sstevel@tonic-gate * 46647c478bd9Sstevel@tonic-gate * The options dip is attached right after boot. 46657c478bd9Sstevel@tonic-gate */ 46667c478bd9Sstevel@tonic-gate ASSERT(options_dip != NULL); 46677c478bd9Sstevel@tonic-gate /* 46687c478bd9Sstevel@tonic-gate * Force the "don't pass" flag to *just* see 46697c478bd9Sstevel@tonic-gate * what the options node has to offer. 46707c478bd9Sstevel@tonic-gate */ 46717c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, options_dip, prop_op, 46727c478bd9Sstevel@tonic-gate mod_flags|DDI_PROP_DONTPASS, name, valuep, 46737c478bd9Sstevel@tonic-gate (uint_t *)lengthp)); 46747c478bd9Sstevel@tonic-gate } 46757c478bd9Sstevel@tonic-gate 46767c478bd9Sstevel@tonic-gate /* 46777c478bd9Sstevel@tonic-gate * Otherwise, continue search with parent's s/w defined properties... 46787c478bd9Sstevel@tonic-gate * NOTE: Using `dip' in following call increments the level. 46797c478bd9Sstevel@tonic-gate */ 46807c478bd9Sstevel@tonic-gate 46817c478bd9Sstevel@tonic-gate return (ddi_prop_search_common(dev, dip, prop_op, mod_flags, 46827c478bd9Sstevel@tonic-gate name, valuep, (uint_t *)lengthp)); 46837c478bd9Sstevel@tonic-gate } 46847c478bd9Sstevel@tonic-gate 46857c478bd9Sstevel@tonic-gate /* 46867c478bd9Sstevel@tonic-gate * External property functions used by other parts of the kernel... 46877c478bd9Sstevel@tonic-gate */ 46887c478bd9Sstevel@tonic-gate 46897c478bd9Sstevel@tonic-gate /* 46907c478bd9Sstevel@tonic-gate * e_ddi_getlongprop: See comments for ddi_get_longprop. 46917c478bd9Sstevel@tonic-gate */ 46927c478bd9Sstevel@tonic-gate 46937c478bd9Sstevel@tonic-gate int 46947c478bd9Sstevel@tonic-gate e_ddi_getlongprop(dev_t dev, vtype_t type, char *name, int flags, 46957c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 46967c478bd9Sstevel@tonic-gate { 46977c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 46987c478bd9Sstevel@tonic-gate dev_info_t *devi; 46997c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_ALLOC; 47007c478bd9Sstevel@tonic-gate int error; 47017c478bd9Sstevel@tonic-gate 47027c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47037c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47047c478bd9Sstevel@tonic-gate 47057c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 47067c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 47077c478bd9Sstevel@tonic-gate return (error); 47087c478bd9Sstevel@tonic-gate } 47097c478bd9Sstevel@tonic-gate 47107c478bd9Sstevel@tonic-gate /* 47117c478bd9Sstevel@tonic-gate * e_ddi_getlongprop_buf: See comments for ddi_getlongprop_buf. 47127c478bd9Sstevel@tonic-gate */ 47137c478bd9Sstevel@tonic-gate 47147c478bd9Sstevel@tonic-gate int 47157c478bd9Sstevel@tonic-gate e_ddi_getlongprop_buf(dev_t dev, vtype_t type, char *name, int flags, 47167c478bd9Sstevel@tonic-gate caddr_t valuep, int *lengthp) 47177c478bd9Sstevel@tonic-gate { 47187c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 47197c478bd9Sstevel@tonic-gate dev_info_t *devi; 47207c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 47217c478bd9Sstevel@tonic-gate int error; 47227c478bd9Sstevel@tonic-gate 47237c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47247c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 47257c478bd9Sstevel@tonic-gate 47267c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, valuep, lengthp); 47277c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 47287c478bd9Sstevel@tonic-gate return (error); 47297c478bd9Sstevel@tonic-gate } 47307c478bd9Sstevel@tonic-gate 47317c478bd9Sstevel@tonic-gate /* 47327c478bd9Sstevel@tonic-gate * e_ddi_getprop: See comments for ddi_getprop. 47337c478bd9Sstevel@tonic-gate */ 47347c478bd9Sstevel@tonic-gate int 47357c478bd9Sstevel@tonic-gate e_ddi_getprop(dev_t dev, vtype_t type, char *name, int flags, int defvalue) 47367c478bd9Sstevel@tonic-gate { 47377c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 47387c478bd9Sstevel@tonic-gate dev_info_t *devi; 47397c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 47407c478bd9Sstevel@tonic-gate int propvalue = defvalue; 47417c478bd9Sstevel@tonic-gate int proplength = sizeof (int); 47427c478bd9Sstevel@tonic-gate int error; 47437c478bd9Sstevel@tonic-gate 47447c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47457c478bd9Sstevel@tonic-gate return (defvalue); 47467c478bd9Sstevel@tonic-gate 47477c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, 47487c478bd9Sstevel@tonic-gate flags, name, (caddr_t)&propvalue, &proplength); 47497c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 47507c478bd9Sstevel@tonic-gate 47517c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 47527c478bd9Sstevel@tonic-gate propvalue = 1; 47537c478bd9Sstevel@tonic-gate 47547c478bd9Sstevel@tonic-gate return (propvalue); 47557c478bd9Sstevel@tonic-gate } 47567c478bd9Sstevel@tonic-gate 47577c478bd9Sstevel@tonic-gate /* 47587c478bd9Sstevel@tonic-gate * e_ddi_getprop_int64: 47597c478bd9Sstevel@tonic-gate * 47607c478bd9Sstevel@tonic-gate * This is a typed interfaces, but predates typed properties. With the 47617c478bd9Sstevel@tonic-gate * introduction of typed properties the framework tries to ensure 47627c478bd9Sstevel@tonic-gate * consistent use of typed interfaces. This is why TYPE_INT64 is not 47637c478bd9Sstevel@tonic-gate * part of TYPE_ANY. E_ddi_getprop_int64 is a special case where a 47647c478bd9Sstevel@tonic-gate * typed interface invokes legacy (non-typed) interfaces: 47657c478bd9Sstevel@tonic-gate * cdev_prop_op(), prop_op(9E), ddi_prop_op(9F)). In this case the 47667c478bd9Sstevel@tonic-gate * fact that TYPE_INT64 is not part of TYPE_ANY matters. To support 47677c478bd9Sstevel@tonic-gate * this type of lookup as a single operation we invoke the legacy 47687c478bd9Sstevel@tonic-gate * non-typed interfaces with the special CONSUMER_TYPED bit set. The 47697c478bd9Sstevel@tonic-gate * framework ddi_prop_op(9F) implementation is expected to check for 47707c478bd9Sstevel@tonic-gate * CONSUMER_TYPED and, if set, expand type bits beyond TYPE_ANY 47717c478bd9Sstevel@tonic-gate * (currently TYPE_INT64). 47727c478bd9Sstevel@tonic-gate */ 47737c478bd9Sstevel@tonic-gate int64_t 47747c478bd9Sstevel@tonic-gate e_ddi_getprop_int64(dev_t dev, vtype_t type, char *name, 47757c478bd9Sstevel@tonic-gate int flags, int64_t defvalue) 47767c478bd9Sstevel@tonic-gate { 47777c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 47787c478bd9Sstevel@tonic-gate dev_info_t *devi; 47797c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN_AND_VAL_BUF; 47807c478bd9Sstevel@tonic-gate int64_t propvalue = defvalue; 47817c478bd9Sstevel@tonic-gate int proplength = sizeof (propvalue); 47827c478bd9Sstevel@tonic-gate int error; 47837c478bd9Sstevel@tonic-gate 47847c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 47857c478bd9Sstevel@tonic-gate return (defvalue); 47867c478bd9Sstevel@tonic-gate 47877c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags | 47887c478bd9Sstevel@tonic-gate DDI_PROP_CONSUMER_TYPED, name, (caddr_t)&propvalue, &proplength); 47897c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 47907c478bd9Sstevel@tonic-gate 47917c478bd9Sstevel@tonic-gate if ((error == DDI_PROP_SUCCESS) && (proplength == 0)) 47927c478bd9Sstevel@tonic-gate propvalue = 1; 47937c478bd9Sstevel@tonic-gate 47947c478bd9Sstevel@tonic-gate return (propvalue); 47957c478bd9Sstevel@tonic-gate } 47967c478bd9Sstevel@tonic-gate 47977c478bd9Sstevel@tonic-gate /* 47987c478bd9Sstevel@tonic-gate * e_ddi_getproplen: See comments for ddi_getproplen. 47997c478bd9Sstevel@tonic-gate */ 48007c478bd9Sstevel@tonic-gate int 48017c478bd9Sstevel@tonic-gate e_ddi_getproplen(dev_t dev, vtype_t type, char *name, int flags, int *lengthp) 48027c478bd9Sstevel@tonic-gate { 48037c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(type)) 48047c478bd9Sstevel@tonic-gate dev_info_t *devi; 48057c478bd9Sstevel@tonic-gate ddi_prop_op_t prop_op = PROP_LEN; 48067c478bd9Sstevel@tonic-gate int error; 48077c478bd9Sstevel@tonic-gate 48087c478bd9Sstevel@tonic-gate if ((devi = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 48097c478bd9Sstevel@tonic-gate return (DDI_PROP_NOT_FOUND); 48107c478bd9Sstevel@tonic-gate 48117c478bd9Sstevel@tonic-gate error = cdev_prop_op(dev, devi, prop_op, flags, name, NULL, lengthp); 48127c478bd9Sstevel@tonic-gate ddi_release_devi(devi); 48137c478bd9Sstevel@tonic-gate return (error); 48147c478bd9Sstevel@tonic-gate } 48157c478bd9Sstevel@tonic-gate 48167c478bd9Sstevel@tonic-gate /* 48177c478bd9Sstevel@tonic-gate * Routines to get at elements of the dev_info structure 48187c478bd9Sstevel@tonic-gate */ 48197c478bd9Sstevel@tonic-gate 48207c478bd9Sstevel@tonic-gate /* 48217c478bd9Sstevel@tonic-gate * ddi_binding_name: Return the driver binding name of the devinfo node 48227c478bd9Sstevel@tonic-gate * This is the name the OS used to bind the node to a driver. 48237c478bd9Sstevel@tonic-gate */ 48247c478bd9Sstevel@tonic-gate char * 48257c478bd9Sstevel@tonic-gate ddi_binding_name(dev_info_t *dip) 48267c478bd9Sstevel@tonic-gate { 48277c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 48287c478bd9Sstevel@tonic-gate } 48297c478bd9Sstevel@tonic-gate 48307c478bd9Sstevel@tonic-gate /* 48317c478bd9Sstevel@tonic-gate * ddi_driver_major: Return the major number of the driver that 48327c478bd9Sstevel@tonic-gate * the supplied devinfo is bound to (-1 if none) 48337c478bd9Sstevel@tonic-gate */ 48347c478bd9Sstevel@tonic-gate major_t 48357c478bd9Sstevel@tonic-gate ddi_driver_major(dev_info_t *devi) 48367c478bd9Sstevel@tonic-gate { 48377c478bd9Sstevel@tonic-gate return (DEVI(devi)->devi_major); 48387c478bd9Sstevel@tonic-gate } 48397c478bd9Sstevel@tonic-gate 48407c478bd9Sstevel@tonic-gate /* 48417c478bd9Sstevel@tonic-gate * ddi_driver_name: Return the normalized driver name. this is the 48427c478bd9Sstevel@tonic-gate * actual driver name 48437c478bd9Sstevel@tonic-gate */ 48447c478bd9Sstevel@tonic-gate const char * 48457c478bd9Sstevel@tonic-gate ddi_driver_name(dev_info_t *devi) 48467c478bd9Sstevel@tonic-gate { 48477c478bd9Sstevel@tonic-gate major_t major; 48487c478bd9Sstevel@tonic-gate 48497c478bd9Sstevel@tonic-gate if ((major = ddi_driver_major(devi)) != (major_t)-1) 48507c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major)); 48517c478bd9Sstevel@tonic-gate 48527c478bd9Sstevel@tonic-gate return (ddi_node_name(devi)); 48537c478bd9Sstevel@tonic-gate } 48547c478bd9Sstevel@tonic-gate 48557c478bd9Sstevel@tonic-gate /* 48567c478bd9Sstevel@tonic-gate * i_ddi_set_binding_name: Set binding name. 48577c478bd9Sstevel@tonic-gate * 48587c478bd9Sstevel@tonic-gate * Set the binding name to the given name. 48597c478bd9Sstevel@tonic-gate * This routine is for use by the ddi implementation, not by drivers. 48607c478bd9Sstevel@tonic-gate */ 48617c478bd9Sstevel@tonic-gate void 48627c478bd9Sstevel@tonic-gate i_ddi_set_binding_name(dev_info_t *dip, char *name) 48637c478bd9Sstevel@tonic-gate { 48647c478bd9Sstevel@tonic-gate DEVI(dip)->devi_binding_name = name; 48657c478bd9Sstevel@tonic-gate 48667c478bd9Sstevel@tonic-gate } 48677c478bd9Sstevel@tonic-gate 48687c478bd9Sstevel@tonic-gate /* 48697c478bd9Sstevel@tonic-gate * ddi_get_name: A synonym of ddi_binding_name() ... returns a name 48707c478bd9Sstevel@tonic-gate * the implementation has used to bind the node to a driver. 48717c478bd9Sstevel@tonic-gate */ 48727c478bd9Sstevel@tonic-gate char * 48737c478bd9Sstevel@tonic-gate ddi_get_name(dev_info_t *dip) 48747c478bd9Sstevel@tonic-gate { 48757c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_binding_name); 48767c478bd9Sstevel@tonic-gate } 48777c478bd9Sstevel@tonic-gate 48787c478bd9Sstevel@tonic-gate /* 48797c478bd9Sstevel@tonic-gate * ddi_node_name: Return the name property of the devinfo node 48807c478bd9Sstevel@tonic-gate * This may differ from ddi_binding_name if the node name 48817c478bd9Sstevel@tonic-gate * does not define a binding to a driver (i.e. generic names). 48827c478bd9Sstevel@tonic-gate */ 48837c478bd9Sstevel@tonic-gate char * 48847c478bd9Sstevel@tonic-gate ddi_node_name(dev_info_t *dip) 48857c478bd9Sstevel@tonic-gate { 48867c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_node_name); 48877c478bd9Sstevel@tonic-gate } 48887c478bd9Sstevel@tonic-gate 48897c478bd9Sstevel@tonic-gate 48907c478bd9Sstevel@tonic-gate /* 48917c478bd9Sstevel@tonic-gate * ddi_get_nodeid: Get nodeid stored in dev_info structure. 48927c478bd9Sstevel@tonic-gate */ 48937c478bd9Sstevel@tonic-gate int 48947c478bd9Sstevel@tonic-gate ddi_get_nodeid(dev_info_t *dip) 48957c478bd9Sstevel@tonic-gate { 48967c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_nodeid); 48977c478bd9Sstevel@tonic-gate } 48987c478bd9Sstevel@tonic-gate 48997c478bd9Sstevel@tonic-gate int 49007c478bd9Sstevel@tonic-gate ddi_get_instance(dev_info_t *dip) 49017c478bd9Sstevel@tonic-gate { 49027c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_instance); 49037c478bd9Sstevel@tonic-gate } 49047c478bd9Sstevel@tonic-gate 49057c478bd9Sstevel@tonic-gate struct dev_ops * 49067c478bd9Sstevel@tonic-gate ddi_get_driver(dev_info_t *dip) 49077c478bd9Sstevel@tonic-gate { 49087c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_ops); 49097c478bd9Sstevel@tonic-gate } 49107c478bd9Sstevel@tonic-gate 49117c478bd9Sstevel@tonic-gate void 49127c478bd9Sstevel@tonic-gate ddi_set_driver(dev_info_t *dip, struct dev_ops *devo) 49137c478bd9Sstevel@tonic-gate { 49147c478bd9Sstevel@tonic-gate DEVI(dip)->devi_ops = devo; 49157c478bd9Sstevel@tonic-gate } 49167c478bd9Sstevel@tonic-gate 49177c478bd9Sstevel@tonic-gate /* 49187c478bd9Sstevel@tonic-gate * ddi_set_driver_private/ddi_get_driver_private: 49197c478bd9Sstevel@tonic-gate * Get/set device driver private data in devinfo. 49207c478bd9Sstevel@tonic-gate */ 49217c478bd9Sstevel@tonic-gate void 49227c478bd9Sstevel@tonic-gate ddi_set_driver_private(dev_info_t *dip, void *data) 49237c478bd9Sstevel@tonic-gate { 49247c478bd9Sstevel@tonic-gate DEVI(dip)->devi_driver_data = data; 49257c478bd9Sstevel@tonic-gate } 49267c478bd9Sstevel@tonic-gate 49277c478bd9Sstevel@tonic-gate void * 49287c478bd9Sstevel@tonic-gate ddi_get_driver_private(dev_info_t *dip) 49297c478bd9Sstevel@tonic-gate { 49307c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_driver_data); 49317c478bd9Sstevel@tonic-gate } 49327c478bd9Sstevel@tonic-gate 49337c478bd9Sstevel@tonic-gate /* 49347c478bd9Sstevel@tonic-gate * ddi_get_parent, ddi_get_child, ddi_get_next_sibling 49357c478bd9Sstevel@tonic-gate */ 49367c478bd9Sstevel@tonic-gate 49377c478bd9Sstevel@tonic-gate dev_info_t * 49387c478bd9Sstevel@tonic-gate ddi_get_parent(dev_info_t *dip) 49397c478bd9Sstevel@tonic-gate { 49407c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_parent); 49417c478bd9Sstevel@tonic-gate } 49427c478bd9Sstevel@tonic-gate 49437c478bd9Sstevel@tonic-gate dev_info_t * 49447c478bd9Sstevel@tonic-gate ddi_get_child(dev_info_t *dip) 49457c478bd9Sstevel@tonic-gate { 49467c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_child); 49477c478bd9Sstevel@tonic-gate } 49487c478bd9Sstevel@tonic-gate 49497c478bd9Sstevel@tonic-gate dev_info_t * 49507c478bd9Sstevel@tonic-gate ddi_get_next_sibling(dev_info_t *dip) 49517c478bd9Sstevel@tonic-gate { 49527c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_sibling); 49537c478bd9Sstevel@tonic-gate } 49547c478bd9Sstevel@tonic-gate 49557c478bd9Sstevel@tonic-gate dev_info_t * 49567c478bd9Sstevel@tonic-gate ddi_get_next(dev_info_t *dip) 49577c478bd9Sstevel@tonic-gate { 49587c478bd9Sstevel@tonic-gate return ((dev_info_t *)DEVI(dip)->devi_next); 49597c478bd9Sstevel@tonic-gate } 49607c478bd9Sstevel@tonic-gate 49617c478bd9Sstevel@tonic-gate void 49627c478bd9Sstevel@tonic-gate ddi_set_next(dev_info_t *dip, dev_info_t *nextdip) 49637c478bd9Sstevel@tonic-gate { 49647c478bd9Sstevel@tonic-gate DEVI(dip)->devi_next = DEVI(nextdip); 49657c478bd9Sstevel@tonic-gate } 49667c478bd9Sstevel@tonic-gate 49677c478bd9Sstevel@tonic-gate /* 49687c478bd9Sstevel@tonic-gate * ddi_root_node: Return root node of devinfo tree 49697c478bd9Sstevel@tonic-gate */ 49707c478bd9Sstevel@tonic-gate 49717c478bd9Sstevel@tonic-gate dev_info_t * 49727c478bd9Sstevel@tonic-gate ddi_root_node(void) 49737c478bd9Sstevel@tonic-gate { 49747c478bd9Sstevel@tonic-gate extern dev_info_t *top_devinfo; 49757c478bd9Sstevel@tonic-gate 49767c478bd9Sstevel@tonic-gate return (top_devinfo); 49777c478bd9Sstevel@tonic-gate } 49787c478bd9Sstevel@tonic-gate 49797c478bd9Sstevel@tonic-gate /* 49807c478bd9Sstevel@tonic-gate * Miscellaneous functions: 49817c478bd9Sstevel@tonic-gate */ 49827c478bd9Sstevel@tonic-gate 49837c478bd9Sstevel@tonic-gate /* 49847c478bd9Sstevel@tonic-gate * Implementation specific hooks 49857c478bd9Sstevel@tonic-gate */ 49867c478bd9Sstevel@tonic-gate 49877c478bd9Sstevel@tonic-gate void 49887c478bd9Sstevel@tonic-gate ddi_report_dev(dev_info_t *d) 49897c478bd9Sstevel@tonic-gate { 49907c478bd9Sstevel@tonic-gate char *b; 49917c478bd9Sstevel@tonic-gate 49927c478bd9Sstevel@tonic-gate (void) ddi_ctlops(d, d, DDI_CTLOPS_REPORTDEV, (void *)0, (void *)0); 49937c478bd9Sstevel@tonic-gate 49947c478bd9Sstevel@tonic-gate /* 49957c478bd9Sstevel@tonic-gate * If this devinfo node has cb_ops, it's implicitly accessible from 49967c478bd9Sstevel@tonic-gate * userland, so we print its full name together with the instance 49977c478bd9Sstevel@tonic-gate * number 'abbreviation' that the driver may use internally. 49987c478bd9Sstevel@tonic-gate */ 49997c478bd9Sstevel@tonic-gate if (DEVI(d)->devi_ops->devo_cb_ops != (struct cb_ops *)0 && 50007c478bd9Sstevel@tonic-gate (b = kmem_zalloc(MAXPATHLEN, KM_NOSLEEP))) { 50017c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?%s%d is %s\n", 50027c478bd9Sstevel@tonic-gate ddi_driver_name(d), ddi_get_instance(d), 50037c478bd9Sstevel@tonic-gate ddi_pathname(d, b)); 50047c478bd9Sstevel@tonic-gate kmem_free(b, MAXPATHLEN); 50057c478bd9Sstevel@tonic-gate } 50067c478bd9Sstevel@tonic-gate } 50077c478bd9Sstevel@tonic-gate 50087c478bd9Sstevel@tonic-gate /* 50097c478bd9Sstevel@tonic-gate * ddi_ctlops() is described in the assembler not to buy a new register 50107c478bd9Sstevel@tonic-gate * window when it's called and can reduce cost in climbing the device tree 50117c478bd9Sstevel@tonic-gate * without using the tail call optimization. 50127c478bd9Sstevel@tonic-gate */ 50137c478bd9Sstevel@tonic-gate int 50147c478bd9Sstevel@tonic-gate ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *result) 50157c478bd9Sstevel@tonic-gate { 50167c478bd9Sstevel@tonic-gate int ret; 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate ret = ddi_ctlops(dev, dev, DDI_CTLOPS_REGSIZE, 50197c478bd9Sstevel@tonic-gate (void *)&rnumber, (void *)result); 50207c478bd9Sstevel@tonic-gate 50217c478bd9Sstevel@tonic-gate return (ret == DDI_SUCCESS ? DDI_SUCCESS : DDI_FAILURE); 50227c478bd9Sstevel@tonic-gate } 50237c478bd9Sstevel@tonic-gate 50247c478bd9Sstevel@tonic-gate int 50257c478bd9Sstevel@tonic-gate ddi_dev_nregs(dev_info_t *dev, int *result) 50267c478bd9Sstevel@tonic-gate { 50277c478bd9Sstevel@tonic-gate return (ddi_ctlops(dev, dev, DDI_CTLOPS_NREGS, 0, (void *)result)); 50287c478bd9Sstevel@tonic-gate } 50297c478bd9Sstevel@tonic-gate 50307c478bd9Sstevel@tonic-gate int 50317c478bd9Sstevel@tonic-gate ddi_dev_is_sid(dev_info_t *d) 50327c478bd9Sstevel@tonic-gate { 50337c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SIDDEV, (void *)0, (void *)0)); 50347c478bd9Sstevel@tonic-gate } 50357c478bd9Sstevel@tonic-gate 50367c478bd9Sstevel@tonic-gate int 50377c478bd9Sstevel@tonic-gate ddi_slaveonly(dev_info_t *d) 50387c478bd9Sstevel@tonic-gate { 50397c478bd9Sstevel@tonic-gate return (ddi_ctlops(d, d, DDI_CTLOPS_SLAVEONLY, (void *)0, (void *)0)); 50407c478bd9Sstevel@tonic-gate } 50417c478bd9Sstevel@tonic-gate 50427c478bd9Sstevel@tonic-gate int 50437c478bd9Sstevel@tonic-gate ddi_dev_affinity(dev_info_t *a, dev_info_t *b) 50447c478bd9Sstevel@tonic-gate { 50457c478bd9Sstevel@tonic-gate return (ddi_ctlops(a, a, DDI_CTLOPS_AFFINITY, (void *)b, (void *)0)); 50467c478bd9Sstevel@tonic-gate } 50477c478bd9Sstevel@tonic-gate 50487c478bd9Sstevel@tonic-gate int 50497c478bd9Sstevel@tonic-gate ddi_streams_driver(dev_info_t *dip) 50507c478bd9Sstevel@tonic-gate { 50517c478bd9Sstevel@tonic-gate if ((i_ddi_node_state(dip) >= DS_ATTACHED) && 50527c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops != NULL) && 50537c478bd9Sstevel@tonic-gate (DEVI(dip)->devi_ops->devo_cb_ops->cb_str != NULL)) 50547c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 50557c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 50567c478bd9Sstevel@tonic-gate } 50577c478bd9Sstevel@tonic-gate 50587c478bd9Sstevel@tonic-gate /* 50597c478bd9Sstevel@tonic-gate * callback free list 50607c478bd9Sstevel@tonic-gate */ 50617c478bd9Sstevel@tonic-gate 50627c478bd9Sstevel@tonic-gate static int ncallbacks; 50637c478bd9Sstevel@tonic-gate static int nc_low = 170; 50647c478bd9Sstevel@tonic-gate static int nc_med = 512; 50657c478bd9Sstevel@tonic-gate static int nc_high = 2048; 50667c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackq; 50677c478bd9Sstevel@tonic-gate static struct ddi_callback *callbackqfree; 50687c478bd9Sstevel@tonic-gate 50697c478bd9Sstevel@tonic-gate /* 50707c478bd9Sstevel@tonic-gate * set/run callback lists 50717c478bd9Sstevel@tonic-gate */ 50727c478bd9Sstevel@tonic-gate struct cbstats { 50737c478bd9Sstevel@tonic-gate kstat_named_t cb_asked; 50747c478bd9Sstevel@tonic-gate kstat_named_t cb_new; 50757c478bd9Sstevel@tonic-gate kstat_named_t cb_run; 50767c478bd9Sstevel@tonic-gate kstat_named_t cb_delete; 50777c478bd9Sstevel@tonic-gate kstat_named_t cb_maxreq; 50787c478bd9Sstevel@tonic-gate kstat_named_t cb_maxlist; 50797c478bd9Sstevel@tonic-gate kstat_named_t cb_alloc; 50807c478bd9Sstevel@tonic-gate kstat_named_t cb_runouts; 50817c478bd9Sstevel@tonic-gate kstat_named_t cb_L2; 50827c478bd9Sstevel@tonic-gate kstat_named_t cb_grow; 50837c478bd9Sstevel@tonic-gate } cbstats = { 50847c478bd9Sstevel@tonic-gate {"asked", KSTAT_DATA_UINT32}, 50857c478bd9Sstevel@tonic-gate {"new", KSTAT_DATA_UINT32}, 50867c478bd9Sstevel@tonic-gate {"run", KSTAT_DATA_UINT32}, 50877c478bd9Sstevel@tonic-gate {"delete", KSTAT_DATA_UINT32}, 50887c478bd9Sstevel@tonic-gate {"maxreq", KSTAT_DATA_UINT32}, 50897c478bd9Sstevel@tonic-gate {"maxlist", KSTAT_DATA_UINT32}, 50907c478bd9Sstevel@tonic-gate {"alloc", KSTAT_DATA_UINT32}, 50917c478bd9Sstevel@tonic-gate {"runouts", KSTAT_DATA_UINT32}, 50927c478bd9Sstevel@tonic-gate {"L2", KSTAT_DATA_UINT32}, 50937c478bd9Sstevel@tonic-gate {"grow", KSTAT_DATA_UINT32}, 50947c478bd9Sstevel@tonic-gate }; 50957c478bd9Sstevel@tonic-gate 50967c478bd9Sstevel@tonic-gate #define nc_asked cb_asked.value.ui32 50977c478bd9Sstevel@tonic-gate #define nc_new cb_new.value.ui32 50987c478bd9Sstevel@tonic-gate #define nc_run cb_run.value.ui32 50997c478bd9Sstevel@tonic-gate #define nc_delete cb_delete.value.ui32 51007c478bd9Sstevel@tonic-gate #define nc_maxreq cb_maxreq.value.ui32 51017c478bd9Sstevel@tonic-gate #define nc_maxlist cb_maxlist.value.ui32 51027c478bd9Sstevel@tonic-gate #define nc_alloc cb_alloc.value.ui32 51037c478bd9Sstevel@tonic-gate #define nc_runouts cb_runouts.value.ui32 51047c478bd9Sstevel@tonic-gate #define nc_L2 cb_L2.value.ui32 51057c478bd9Sstevel@tonic-gate #define nc_grow cb_grow.value.ui32 51067c478bd9Sstevel@tonic-gate 51077c478bd9Sstevel@tonic-gate static kmutex_t ddi_callback_mutex; 51087c478bd9Sstevel@tonic-gate 51097c478bd9Sstevel@tonic-gate /* 51107c478bd9Sstevel@tonic-gate * callbacks are handled using a L1/L2 cache. The L1 cache 51117c478bd9Sstevel@tonic-gate * comes out of kmem_cache_alloc and can expand/shrink dynamically. If 51127c478bd9Sstevel@tonic-gate * we can't get callbacks from the L1 cache [because pageout is doing 51137c478bd9Sstevel@tonic-gate * I/O at the time freemem is 0], we allocate callbacks out of the 51147c478bd9Sstevel@tonic-gate * L2 cache. The L2 cache is static and depends on the memory size. 51157c478bd9Sstevel@tonic-gate * [We might also count the number of devices at probe time and 51167c478bd9Sstevel@tonic-gate * allocate one structure per device and adjust for deferred attach] 51177c478bd9Sstevel@tonic-gate */ 51187c478bd9Sstevel@tonic-gate void 51197c478bd9Sstevel@tonic-gate impl_ddi_callback_init(void) 51207c478bd9Sstevel@tonic-gate { 51217c478bd9Sstevel@tonic-gate int i; 51227c478bd9Sstevel@tonic-gate uint_t physmegs; 51237c478bd9Sstevel@tonic-gate kstat_t *ksp; 51247c478bd9Sstevel@tonic-gate 51257c478bd9Sstevel@tonic-gate physmegs = physmem >> (20 - PAGESHIFT); 51267c478bd9Sstevel@tonic-gate if (physmegs < 48) { 51277c478bd9Sstevel@tonic-gate ncallbacks = nc_low; 51287c478bd9Sstevel@tonic-gate } else if (physmegs < 128) { 51297c478bd9Sstevel@tonic-gate ncallbacks = nc_med; 51307c478bd9Sstevel@tonic-gate } else { 51317c478bd9Sstevel@tonic-gate ncallbacks = nc_high; 51327c478bd9Sstevel@tonic-gate } 51337c478bd9Sstevel@tonic-gate 51347c478bd9Sstevel@tonic-gate /* 51357c478bd9Sstevel@tonic-gate * init free list 51367c478bd9Sstevel@tonic-gate */ 51377c478bd9Sstevel@tonic-gate callbackq = kmem_zalloc( 51387c478bd9Sstevel@tonic-gate ncallbacks * sizeof (struct ddi_callback), KM_SLEEP); 51397c478bd9Sstevel@tonic-gate for (i = 0; i < ncallbacks-1; i++) 51407c478bd9Sstevel@tonic-gate callbackq[i].c_nfree = &callbackq[i+1]; 51417c478bd9Sstevel@tonic-gate callbackqfree = callbackq; 51427c478bd9Sstevel@tonic-gate 51437c478bd9Sstevel@tonic-gate /* init kstats */ 51447c478bd9Sstevel@tonic-gate if (ksp = kstat_create("unix", 0, "cbstats", "misc", KSTAT_TYPE_NAMED, 51457c478bd9Sstevel@tonic-gate sizeof (cbstats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL)) { 51467c478bd9Sstevel@tonic-gate ksp->ks_data = (void *) &cbstats; 51477c478bd9Sstevel@tonic-gate kstat_install(ksp); 51487c478bd9Sstevel@tonic-gate } 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate } 51517c478bd9Sstevel@tonic-gate 51527c478bd9Sstevel@tonic-gate static void 51537c478bd9Sstevel@tonic-gate callback_insert(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid, 51547c478bd9Sstevel@tonic-gate int count) 51557c478bd9Sstevel@tonic-gate { 51567c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker, *new; 51577c478bd9Sstevel@tonic-gate size_t size = sizeof (struct ddi_callback); 51587c478bd9Sstevel@tonic-gate 51597c478bd9Sstevel@tonic-gate list = marker = (struct ddi_callback *)*listid; 51607c478bd9Sstevel@tonic-gate while (list != NULL) { 51617c478bd9Sstevel@tonic-gate if (list->c_call == funcp && list->c_arg == arg) { 51627c478bd9Sstevel@tonic-gate list->c_count += count; 51637c478bd9Sstevel@tonic-gate return; 51647c478bd9Sstevel@tonic-gate } 51657c478bd9Sstevel@tonic-gate marker = list; 51667c478bd9Sstevel@tonic-gate list = list->c_nlist; 51677c478bd9Sstevel@tonic-gate } 51687c478bd9Sstevel@tonic-gate new = kmem_alloc(size, KM_NOSLEEP); 51697c478bd9Sstevel@tonic-gate if (new == NULL) { 51707c478bd9Sstevel@tonic-gate new = callbackqfree; 51717c478bd9Sstevel@tonic-gate if (new == NULL) { 51727c478bd9Sstevel@tonic-gate new = kmem_alloc_tryhard(sizeof (struct ddi_callback), 51737c478bd9Sstevel@tonic-gate &size, KM_NOSLEEP | KM_PANIC); 51747c478bd9Sstevel@tonic-gate cbstats.nc_grow++; 51757c478bd9Sstevel@tonic-gate } else { 51767c478bd9Sstevel@tonic-gate callbackqfree = new->c_nfree; 51777c478bd9Sstevel@tonic-gate cbstats.nc_L2++; 51787c478bd9Sstevel@tonic-gate } 51797c478bd9Sstevel@tonic-gate } 51807c478bd9Sstevel@tonic-gate if (marker != NULL) { 51817c478bd9Sstevel@tonic-gate marker->c_nlist = new; 51827c478bd9Sstevel@tonic-gate } else { 51837c478bd9Sstevel@tonic-gate *listid = (uintptr_t)new; 51847c478bd9Sstevel@tonic-gate } 51857c478bd9Sstevel@tonic-gate new->c_size = size; 51867c478bd9Sstevel@tonic-gate new->c_nlist = NULL; 51877c478bd9Sstevel@tonic-gate new->c_call = funcp; 51887c478bd9Sstevel@tonic-gate new->c_arg = arg; 51897c478bd9Sstevel@tonic-gate new->c_count = count; 51907c478bd9Sstevel@tonic-gate cbstats.nc_new++; 51917c478bd9Sstevel@tonic-gate cbstats.nc_alloc++; 51927c478bd9Sstevel@tonic-gate if (cbstats.nc_alloc > cbstats.nc_maxlist) 51937c478bd9Sstevel@tonic-gate cbstats.nc_maxlist = cbstats.nc_alloc; 51947c478bd9Sstevel@tonic-gate } 51957c478bd9Sstevel@tonic-gate 51967c478bd9Sstevel@tonic-gate void 51977c478bd9Sstevel@tonic-gate ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid) 51987c478bd9Sstevel@tonic-gate { 51997c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 52007c478bd9Sstevel@tonic-gate cbstats.nc_asked++; 52017c478bd9Sstevel@tonic-gate if ((cbstats.nc_asked - cbstats.nc_run) > cbstats.nc_maxreq) 52027c478bd9Sstevel@tonic-gate cbstats.nc_maxreq = (cbstats.nc_asked - cbstats.nc_run); 52037c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 1); 52047c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 52057c478bd9Sstevel@tonic-gate } 52067c478bd9Sstevel@tonic-gate 52077c478bd9Sstevel@tonic-gate static void 52087c478bd9Sstevel@tonic-gate real_callback_run(void *Queue) 52097c478bd9Sstevel@tonic-gate { 52107c478bd9Sstevel@tonic-gate int (*funcp)(caddr_t); 52117c478bd9Sstevel@tonic-gate caddr_t arg; 52127c478bd9Sstevel@tonic-gate int count, rval; 52137c478bd9Sstevel@tonic-gate uintptr_t *listid; 52147c478bd9Sstevel@tonic-gate struct ddi_callback *list, *marker; 52157c478bd9Sstevel@tonic-gate int check_pending = 1; 52167c478bd9Sstevel@tonic-gate int pending = 0; 52177c478bd9Sstevel@tonic-gate 52187c478bd9Sstevel@tonic-gate do { 52197c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 52207c478bd9Sstevel@tonic-gate listid = Queue; 52217c478bd9Sstevel@tonic-gate list = (struct ddi_callback *)*listid; 52227c478bd9Sstevel@tonic-gate if (list == NULL) { 52237c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 52247c478bd9Sstevel@tonic-gate return; 52257c478bd9Sstevel@tonic-gate } 52267c478bd9Sstevel@tonic-gate if (check_pending) { 52277c478bd9Sstevel@tonic-gate marker = list; 52287c478bd9Sstevel@tonic-gate while (marker != NULL) { 52297c478bd9Sstevel@tonic-gate pending += marker->c_count; 52307c478bd9Sstevel@tonic-gate marker = marker->c_nlist; 52317c478bd9Sstevel@tonic-gate } 52327c478bd9Sstevel@tonic-gate check_pending = 0; 52337c478bd9Sstevel@tonic-gate } 52347c478bd9Sstevel@tonic-gate ASSERT(pending > 0); 52357c478bd9Sstevel@tonic-gate ASSERT(list->c_count > 0); 52367c478bd9Sstevel@tonic-gate funcp = list->c_call; 52377c478bd9Sstevel@tonic-gate arg = list->c_arg; 52387c478bd9Sstevel@tonic-gate count = list->c_count; 52397c478bd9Sstevel@tonic-gate *(uintptr_t *)Queue = (uintptr_t)list->c_nlist; 52407c478bd9Sstevel@tonic-gate if (list >= &callbackq[0] && 52417c478bd9Sstevel@tonic-gate list <= &callbackq[ncallbacks-1]) { 52427c478bd9Sstevel@tonic-gate list->c_nfree = callbackqfree; 52437c478bd9Sstevel@tonic-gate callbackqfree = list; 52447c478bd9Sstevel@tonic-gate } else 52457c478bd9Sstevel@tonic-gate kmem_free(list, list->c_size); 52467c478bd9Sstevel@tonic-gate 52477c478bd9Sstevel@tonic-gate cbstats.nc_delete++; 52487c478bd9Sstevel@tonic-gate cbstats.nc_alloc--; 52497c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 52507c478bd9Sstevel@tonic-gate 52517c478bd9Sstevel@tonic-gate do { 52527c478bd9Sstevel@tonic-gate if ((rval = (*funcp)(arg)) == 0) { 52537c478bd9Sstevel@tonic-gate pending -= count; 52547c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 52557c478bd9Sstevel@tonic-gate (void) callback_insert(funcp, arg, listid, 52567c478bd9Sstevel@tonic-gate count); 52577c478bd9Sstevel@tonic-gate cbstats.nc_runouts++; 52587c478bd9Sstevel@tonic-gate } else { 52597c478bd9Sstevel@tonic-gate pending--; 52607c478bd9Sstevel@tonic-gate mutex_enter(&ddi_callback_mutex); 52617c478bd9Sstevel@tonic-gate cbstats.nc_run++; 52627c478bd9Sstevel@tonic-gate } 52637c478bd9Sstevel@tonic-gate mutex_exit(&ddi_callback_mutex); 52647c478bd9Sstevel@tonic-gate } while (rval != 0 && (--count > 0)); 52657c478bd9Sstevel@tonic-gate } while (pending > 0); 52667c478bd9Sstevel@tonic-gate } 52677c478bd9Sstevel@tonic-gate 52687c478bd9Sstevel@tonic-gate void 52697c478bd9Sstevel@tonic-gate ddi_run_callback(uintptr_t *listid) 52707c478bd9Sstevel@tonic-gate { 52717c478bd9Sstevel@tonic-gate softcall(real_callback_run, listid); 52727c478bd9Sstevel@tonic-gate } 52737c478bd9Sstevel@tonic-gate 52747c478bd9Sstevel@tonic-gate dev_info_t * 52757c478bd9Sstevel@tonic-gate nodevinfo(dev_t dev, int otyp) 52767c478bd9Sstevel@tonic-gate { 52777c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, otyp)) 52787c478bd9Sstevel@tonic-gate return ((dev_info_t *)0); 52797c478bd9Sstevel@tonic-gate } 52807c478bd9Sstevel@tonic-gate 52817c478bd9Sstevel@tonic-gate /* 52827c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 52837c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that don't expect their 52847c478bd9Sstevel@tonic-gate * getinfo(9E) entry point to be called. A driver that uses this must not 52857c478bd9Sstevel@tonic-gate * call ddi_create_minor_node. 52867c478bd9Sstevel@tonic-gate */ 52877c478bd9Sstevel@tonic-gate int 52887c478bd9Sstevel@tonic-gate ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 52897c478bd9Sstevel@tonic-gate { 52907c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, infocmd, arg, result)) 52917c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 52927c478bd9Sstevel@tonic-gate } 52937c478bd9Sstevel@tonic-gate 52947c478bd9Sstevel@tonic-gate /* 52957c478bd9Sstevel@tonic-gate * A driver should support its own getinfo(9E) entry point. This function 52967c478bd9Sstevel@tonic-gate * is provided as a convenience for ON drivers that where the minor number 52977c478bd9Sstevel@tonic-gate * is the instance. Drivers that do not have 1:1 mapping must implement 52987c478bd9Sstevel@tonic-gate * their own getinfo(9E) function. 52997c478bd9Sstevel@tonic-gate */ 53007c478bd9Sstevel@tonic-gate int 53017c478bd9Sstevel@tonic-gate ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 53027c478bd9Sstevel@tonic-gate void *arg, void **result) 53037c478bd9Sstevel@tonic-gate { 53047c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip)) 53057c478bd9Sstevel@tonic-gate int instance; 53067c478bd9Sstevel@tonic-gate 53077c478bd9Sstevel@tonic-gate if (infocmd != DDI_INFO_DEVT2INSTANCE) 53087c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53097c478bd9Sstevel@tonic-gate 53107c478bd9Sstevel@tonic-gate instance = getminor((dev_t)(uintptr_t)arg); 53117c478bd9Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 53127c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 53137c478bd9Sstevel@tonic-gate } 53147c478bd9Sstevel@tonic-gate 53157c478bd9Sstevel@tonic-gate int 53167c478bd9Sstevel@tonic-gate ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd) 53177c478bd9Sstevel@tonic-gate { 53187c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(devi, cmd)) 53197c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53207c478bd9Sstevel@tonic-gate } 53217c478bd9Sstevel@tonic-gate 53227c478bd9Sstevel@tonic-gate int 53237c478bd9Sstevel@tonic-gate ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 53247c478bd9Sstevel@tonic-gate struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep) 53257c478bd9Sstevel@tonic-gate { 53267c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, dmareqp, handlep)) 53277c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 53287c478bd9Sstevel@tonic-gate } 53297c478bd9Sstevel@tonic-gate 53307c478bd9Sstevel@tonic-gate int 53317c478bd9Sstevel@tonic-gate ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 53327c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 53337c478bd9Sstevel@tonic-gate { 53347c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, attr, waitfp, arg, handlep)) 53357c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 53367c478bd9Sstevel@tonic-gate } 53377c478bd9Sstevel@tonic-gate 53387c478bd9Sstevel@tonic-gate int 53397c478bd9Sstevel@tonic-gate ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 53407c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 53417c478bd9Sstevel@tonic-gate { 53427c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 53437c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53447c478bd9Sstevel@tonic-gate } 53457c478bd9Sstevel@tonic-gate 53467c478bd9Sstevel@tonic-gate int 53477c478bd9Sstevel@tonic-gate ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 53487c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 53497c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp, uint_t *ccountp) 53507c478bd9Sstevel@tonic-gate { 53517c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, dmareq, cp, ccountp)) 53527c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 53537c478bd9Sstevel@tonic-gate } 53547c478bd9Sstevel@tonic-gate 53557c478bd9Sstevel@tonic-gate int 53567c478bd9Sstevel@tonic-gate ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 53577c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle) 53587c478bd9Sstevel@tonic-gate { 53597c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle)) 53607c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53617c478bd9Sstevel@tonic-gate } 53627c478bd9Sstevel@tonic-gate 53637c478bd9Sstevel@tonic-gate int 53647c478bd9Sstevel@tonic-gate ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 53657c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, off_t off, size_t len, 53667c478bd9Sstevel@tonic-gate uint_t cache_flags) 53677c478bd9Sstevel@tonic-gate { 53687c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, off, len, cache_flags)) 53697c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53707c478bd9Sstevel@tonic-gate } 53717c478bd9Sstevel@tonic-gate 53727c478bd9Sstevel@tonic-gate int 53737c478bd9Sstevel@tonic-gate ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 53747c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, uint_t win, off_t *offp, 53757c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 53767c478bd9Sstevel@tonic-gate { 53777c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, win, offp, lenp, cookiep, ccountp)) 53787c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53797c478bd9Sstevel@tonic-gate } 53807c478bd9Sstevel@tonic-gate 53817c478bd9Sstevel@tonic-gate int 53827c478bd9Sstevel@tonic-gate ddi_no_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 53837c478bd9Sstevel@tonic-gate ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 53847c478bd9Sstevel@tonic-gate off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 53857c478bd9Sstevel@tonic-gate { 53867c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dip, rdip, handle, request, offp, lenp, objp, flags)) 53877c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 53887c478bd9Sstevel@tonic-gate } 53897c478bd9Sstevel@tonic-gate 53907c478bd9Sstevel@tonic-gate void 53917c478bd9Sstevel@tonic-gate ddivoid(void) 53927c478bd9Sstevel@tonic-gate {} 53937c478bd9Sstevel@tonic-gate 53947c478bd9Sstevel@tonic-gate int 53957c478bd9Sstevel@tonic-gate nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 53967c478bd9Sstevel@tonic-gate struct pollhead **pollhdrp) 53977c478bd9Sstevel@tonic-gate { 53987c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(dev, events, anyyet, reventsp, pollhdrp)) 53997c478bd9Sstevel@tonic-gate return (ENXIO); 54007c478bd9Sstevel@tonic-gate } 54017c478bd9Sstevel@tonic-gate 54027c478bd9Sstevel@tonic-gate cred_t * 54037c478bd9Sstevel@tonic-gate ddi_get_cred(void) 54047c478bd9Sstevel@tonic-gate { 54057c478bd9Sstevel@tonic-gate return (CRED()); 54067c478bd9Sstevel@tonic-gate } 54077c478bd9Sstevel@tonic-gate 54087c478bd9Sstevel@tonic-gate clock_t 54097c478bd9Sstevel@tonic-gate ddi_get_lbolt(void) 54107c478bd9Sstevel@tonic-gate { 54117c478bd9Sstevel@tonic-gate return (lbolt); 54127c478bd9Sstevel@tonic-gate } 54137c478bd9Sstevel@tonic-gate 54147c478bd9Sstevel@tonic-gate time_t 54157c478bd9Sstevel@tonic-gate ddi_get_time(void) 54167c478bd9Sstevel@tonic-gate { 54177c478bd9Sstevel@tonic-gate time_t now; 54187c478bd9Sstevel@tonic-gate 54197c478bd9Sstevel@tonic-gate if ((now = gethrestime_sec()) == 0) { 54207c478bd9Sstevel@tonic-gate timestruc_t ts; 54217c478bd9Sstevel@tonic-gate mutex_enter(&tod_lock); 54227c478bd9Sstevel@tonic-gate ts = tod_get(); 54237c478bd9Sstevel@tonic-gate mutex_exit(&tod_lock); 54247c478bd9Sstevel@tonic-gate return (ts.tv_sec); 54257c478bd9Sstevel@tonic-gate } else { 54267c478bd9Sstevel@tonic-gate return (now); 54277c478bd9Sstevel@tonic-gate } 54287c478bd9Sstevel@tonic-gate } 54297c478bd9Sstevel@tonic-gate 54307c478bd9Sstevel@tonic-gate pid_t 54317c478bd9Sstevel@tonic-gate ddi_get_pid(void) 54327c478bd9Sstevel@tonic-gate { 54337c478bd9Sstevel@tonic-gate return (ttoproc(curthread)->p_pid); 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate 54367c478bd9Sstevel@tonic-gate kt_did_t 54377c478bd9Sstevel@tonic-gate ddi_get_kt_did(void) 54387c478bd9Sstevel@tonic-gate { 54397c478bd9Sstevel@tonic-gate return (curthread->t_did); 54407c478bd9Sstevel@tonic-gate } 54417c478bd9Sstevel@tonic-gate 54427c478bd9Sstevel@tonic-gate /* 54437c478bd9Sstevel@tonic-gate * This function returns B_TRUE if the caller can reasonably expect that a call 54447c478bd9Sstevel@tonic-gate * to cv_wait_sig(9F), cv_timedwait_sig(9F), or qwait_sig(9F) could be awakened 54457c478bd9Sstevel@tonic-gate * by user-level signal. If it returns B_FALSE, then the caller should use 54467c478bd9Sstevel@tonic-gate * other means to make certain that the wait will not hang "forever." 54477c478bd9Sstevel@tonic-gate * 54487c478bd9Sstevel@tonic-gate * It does not check the signal mask, nor for reception of any particular 54497c478bd9Sstevel@tonic-gate * signal. 54507c478bd9Sstevel@tonic-gate * 54517c478bd9Sstevel@tonic-gate * Currently, a thread can receive a signal if it's not a kernel thread and it 54527c478bd9Sstevel@tonic-gate * is not in the middle of exit(2) tear-down. Threads that are in that 54537c478bd9Sstevel@tonic-gate * tear-down effectively convert cv_wait_sig to cv_wait, cv_timedwait_sig to 54547c478bd9Sstevel@tonic-gate * cv_timedwait, and qwait_sig to qwait. 54557c478bd9Sstevel@tonic-gate */ 54567c478bd9Sstevel@tonic-gate boolean_t 54577c478bd9Sstevel@tonic-gate ddi_can_receive_sig(void) 54587c478bd9Sstevel@tonic-gate { 54597c478bd9Sstevel@tonic-gate proc_t *pp; 54607c478bd9Sstevel@tonic-gate 54617c478bd9Sstevel@tonic-gate if (curthread->t_proc_flag & TP_LWPEXIT) 54627c478bd9Sstevel@tonic-gate return (B_FALSE); 54637c478bd9Sstevel@tonic-gate if ((pp = ttoproc(curthread)) == NULL) 54647c478bd9Sstevel@tonic-gate return (B_FALSE); 54657c478bd9Sstevel@tonic-gate return (pp->p_as != &kas); 54667c478bd9Sstevel@tonic-gate } 54677c478bd9Sstevel@tonic-gate 54687c478bd9Sstevel@tonic-gate /* 54697c478bd9Sstevel@tonic-gate * Swap bytes in 16-bit [half-]words 54707c478bd9Sstevel@tonic-gate */ 54717c478bd9Sstevel@tonic-gate void 54727c478bd9Sstevel@tonic-gate swab(void *src, void *dst, size_t nbytes) 54737c478bd9Sstevel@tonic-gate { 54747c478bd9Sstevel@tonic-gate uchar_t *pf = (uchar_t *)src; 54757c478bd9Sstevel@tonic-gate uchar_t *pt = (uchar_t *)dst; 54767c478bd9Sstevel@tonic-gate uchar_t tmp; 54777c478bd9Sstevel@tonic-gate int nshorts; 54787c478bd9Sstevel@tonic-gate 54797c478bd9Sstevel@tonic-gate nshorts = nbytes >> 1; 54807c478bd9Sstevel@tonic-gate 54817c478bd9Sstevel@tonic-gate while (--nshorts >= 0) { 54827c478bd9Sstevel@tonic-gate tmp = *pf++; 54837c478bd9Sstevel@tonic-gate *pt++ = *pf++; 54847c478bd9Sstevel@tonic-gate *pt++ = tmp; 54857c478bd9Sstevel@tonic-gate } 54867c478bd9Sstevel@tonic-gate } 54877c478bd9Sstevel@tonic-gate 54887c478bd9Sstevel@tonic-gate static void 54897c478bd9Sstevel@tonic-gate ddi_append_minor_node(dev_info_t *ddip, struct ddi_minor_data *dmdp) 54907c478bd9Sstevel@tonic-gate { 54917c478bd9Sstevel@tonic-gate struct ddi_minor_data *dp; 54927c478bd9Sstevel@tonic-gate 54937c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(ddip)->devi_lock)); 54947c478bd9Sstevel@tonic-gate i_devi_enter(ddip, DEVI_S_MD_UPDATE, DEVI_S_MD_UPDATE, 1); 54957c478bd9Sstevel@tonic-gate 54967c478bd9Sstevel@tonic-gate if ((dp = DEVI(ddip)->devi_minor) == (struct ddi_minor_data *)NULL) { 54977c478bd9Sstevel@tonic-gate DEVI(ddip)->devi_minor = dmdp; 54987c478bd9Sstevel@tonic-gate } else { 54997c478bd9Sstevel@tonic-gate while (dp->next != (struct ddi_minor_data *)NULL) 55007c478bd9Sstevel@tonic-gate dp = dp->next; 55017c478bd9Sstevel@tonic-gate dp->next = dmdp; 55027c478bd9Sstevel@tonic-gate } 55037c478bd9Sstevel@tonic-gate 55047c478bd9Sstevel@tonic-gate i_devi_exit(ddip, DEVI_S_MD_UPDATE, 1); 55057c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(ddip)->devi_lock)); 55067c478bd9Sstevel@tonic-gate } 55077c478bd9Sstevel@tonic-gate 55087c478bd9Sstevel@tonic-gate /* 55097c478bd9Sstevel@tonic-gate * Part of the obsolete SunCluster DDI Hooks. 55107c478bd9Sstevel@tonic-gate * Keep for binary compatibility 55117c478bd9Sstevel@tonic-gate */ 55127c478bd9Sstevel@tonic-gate minor_t 55137c478bd9Sstevel@tonic-gate ddi_getiminor(dev_t dev) 55147c478bd9Sstevel@tonic-gate { 55157c478bd9Sstevel@tonic-gate return (getminor(dev)); 55167c478bd9Sstevel@tonic-gate } 55177c478bd9Sstevel@tonic-gate 55187c478bd9Sstevel@tonic-gate static int 55197c478bd9Sstevel@tonic-gate i_log_devfs_minor_create(dev_info_t *dip, char *minor_name) 55207c478bd9Sstevel@tonic-gate { 55217c478bd9Sstevel@tonic-gate int se_flag; 55227c478bd9Sstevel@tonic-gate int kmem_flag; 55237c478bd9Sstevel@tonic-gate int se_err; 55247c478bd9Sstevel@tonic-gate char *pathname; 55257c478bd9Sstevel@tonic-gate sysevent_t *ev = NULL; 55267c478bd9Sstevel@tonic-gate sysevent_id_t eid; 55277c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 55287c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 55297c478bd9Sstevel@tonic-gate 55307c478bd9Sstevel@tonic-gate /* determine interrupt context */ 55317c478bd9Sstevel@tonic-gate se_flag = (servicing_interrupt()) ? SE_NOSLEEP : SE_SLEEP; 55327c478bd9Sstevel@tonic-gate kmem_flag = (se_flag == SE_SLEEP) ? KM_SLEEP : KM_NOSLEEP; 55337c478bd9Sstevel@tonic-gate 55347c478bd9Sstevel@tonic-gate i_ddi_di_cache_invalidate(kmem_flag); 55357c478bd9Sstevel@tonic-gate 55367c478bd9Sstevel@tonic-gate #ifdef DEBUG 55377c478bd9Sstevel@tonic-gate if ((se_flag == SE_NOSLEEP) && sunddi_debug) { 55387c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "ddi_create_minor_node: called from " 55397c478bd9Sstevel@tonic-gate "interrupt level by driver %s", 55407c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 55417c478bd9Sstevel@tonic-gate } 55427c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 55437c478bd9Sstevel@tonic-gate 55447c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_CREATE, EP_DDI, se_flag); 55457c478bd9Sstevel@tonic-gate if (ev == NULL) { 55467c478bd9Sstevel@tonic-gate goto fail; 55477c478bd9Sstevel@tonic-gate } 55487c478bd9Sstevel@tonic-gate 55497c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, kmem_flag); 55507c478bd9Sstevel@tonic-gate if (pathname == NULL) { 55517c478bd9Sstevel@tonic-gate sysevent_free(ev); 55527c478bd9Sstevel@tonic-gate goto fail; 55537c478bd9Sstevel@tonic-gate } 55547c478bd9Sstevel@tonic-gate 55557c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 55567c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 55577c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 55587c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 55597c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 55607c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 55617c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 55627c478bd9Sstevel@tonic-gate sysevent_free(ev); 55637c478bd9Sstevel@tonic-gate goto fail; 55647c478bd9Sstevel@tonic-gate } 55657c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 55667c478bd9Sstevel@tonic-gate 55677c478bd9Sstevel@tonic-gate /* 55687c478bd9Sstevel@tonic-gate * allow for NULL minor names 55697c478bd9Sstevel@tonic-gate */ 55707c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 55717c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 55727c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 55737c478bd9Sstevel@tonic-gate &se_val, se_flag) != 0) { 55747c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 55757c478bd9Sstevel@tonic-gate sysevent_free(ev); 55767c478bd9Sstevel@tonic-gate goto fail; 55777c478bd9Sstevel@tonic-gate } 55787c478bd9Sstevel@tonic-gate } 55797c478bd9Sstevel@tonic-gate 55807c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 55817c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 55827c478bd9Sstevel@tonic-gate sysevent_free(ev); 55837c478bd9Sstevel@tonic-gate goto fail; 55847c478bd9Sstevel@tonic-gate } 55857c478bd9Sstevel@tonic-gate 55867c478bd9Sstevel@tonic-gate if ((se_err = log_sysevent(ev, se_flag, &eid)) != 0) { 55877c478bd9Sstevel@tonic-gate if (se_err == SE_NO_TRANSPORT) { 55887c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 55897c478bd9Sstevel@tonic-gate "for driver %s (%s). Run devfsadm -i %s", 55907c478bd9Sstevel@tonic-gate ddi_driver_name(dip), "syseventd not responding", 55917c478bd9Sstevel@tonic-gate ddi_driver_name(dip)); 55927c478bd9Sstevel@tonic-gate } else { 55937c478bd9Sstevel@tonic-gate sysevent_free(ev); 55947c478bd9Sstevel@tonic-gate goto fail; 55957c478bd9Sstevel@tonic-gate } 55967c478bd9Sstevel@tonic-gate } 55977c478bd9Sstevel@tonic-gate 55987c478bd9Sstevel@tonic-gate sysevent_free(ev); 55997c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56007c478bd9Sstevel@tonic-gate fail: 56017c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "/devices or /dev may not be current " 56027c478bd9Sstevel@tonic-gate "for driver %s. Run devfsadm -i %s", 56037c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_driver_name(dip)); 56047c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56057c478bd9Sstevel@tonic-gate } 56067c478bd9Sstevel@tonic-gate 56077c478bd9Sstevel@tonic-gate /* 56087c478bd9Sstevel@tonic-gate * failing to remove a minor node is not of interest 56097c478bd9Sstevel@tonic-gate * therefore we do not generate an error message 56107c478bd9Sstevel@tonic-gate */ 56117c478bd9Sstevel@tonic-gate static int 56127c478bd9Sstevel@tonic-gate i_log_devfs_minor_remove(dev_info_t *dip, char *minor_name) 56137c478bd9Sstevel@tonic-gate { 56147c478bd9Sstevel@tonic-gate char *pathname; 56157c478bd9Sstevel@tonic-gate sysevent_t *ev; 56167c478bd9Sstevel@tonic-gate sysevent_id_t eid; 56177c478bd9Sstevel@tonic-gate sysevent_value_t se_val; 56187c478bd9Sstevel@tonic-gate sysevent_attr_list_t *ev_attr_list = NULL; 56197c478bd9Sstevel@tonic-gate 56207c478bd9Sstevel@tonic-gate /* 56217c478bd9Sstevel@tonic-gate * only log ddi_remove_minor_node() calls outside the scope 56227c478bd9Sstevel@tonic-gate * of attach/detach reconfigurations and when the dip is 56237c478bd9Sstevel@tonic-gate * still initialized. 56247c478bd9Sstevel@tonic-gate */ 56257c478bd9Sstevel@tonic-gate if (DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip) || 56267c478bd9Sstevel@tonic-gate (i_ddi_node_state(dip) < DS_INITIALIZED)) { 56277c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56287c478bd9Sstevel@tonic-gate } 56297c478bd9Sstevel@tonic-gate 56307c478bd9Sstevel@tonic-gate i_ddi_di_cache_invalidate(KM_SLEEP); 56317c478bd9Sstevel@tonic-gate 56327c478bd9Sstevel@tonic-gate ev = sysevent_alloc(EC_DEVFS, ESC_DEVFS_MINOR_REMOVE, EP_DDI, SE_SLEEP); 56337c478bd9Sstevel@tonic-gate if (ev == NULL) { 56347c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56357c478bd9Sstevel@tonic-gate } 56367c478bd9Sstevel@tonic-gate 56377c478bd9Sstevel@tonic-gate pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP); 56387c478bd9Sstevel@tonic-gate if (pathname == NULL) { 56397c478bd9Sstevel@tonic-gate sysevent_free(ev); 56407c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56417c478bd9Sstevel@tonic-gate } 56427c478bd9Sstevel@tonic-gate 56437c478bd9Sstevel@tonic-gate (void) ddi_pathname(dip, pathname); 56447c478bd9Sstevel@tonic-gate ASSERT(strlen(pathname)); 56457c478bd9Sstevel@tonic-gate se_val.value_type = SE_DATA_TYPE_STRING; 56467c478bd9Sstevel@tonic-gate se_val.value.sv_string = pathname; 56477c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_PATHNAME, 56487c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 56497c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 56507c478bd9Sstevel@tonic-gate sysevent_free(ev); 56517c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56527c478bd9Sstevel@tonic-gate } 56537c478bd9Sstevel@tonic-gate 56547c478bd9Sstevel@tonic-gate kmem_free(pathname, MAXPATHLEN); 56557c478bd9Sstevel@tonic-gate 56567c478bd9Sstevel@tonic-gate /* 56577c478bd9Sstevel@tonic-gate * allow for NULL minor names 56587c478bd9Sstevel@tonic-gate */ 56597c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 56607c478bd9Sstevel@tonic-gate se_val.value.sv_string = minor_name; 56617c478bd9Sstevel@tonic-gate if (sysevent_add_attr(&ev_attr_list, DEVFS_MINOR_NAME, 56627c478bd9Sstevel@tonic-gate &se_val, SE_SLEEP) != 0) { 56637c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 56647c478bd9Sstevel@tonic-gate goto fail; 56657c478bd9Sstevel@tonic-gate } 56667c478bd9Sstevel@tonic-gate } 56677c478bd9Sstevel@tonic-gate 56687c478bd9Sstevel@tonic-gate if (sysevent_attach_attributes(ev, ev_attr_list) != 0) { 56697c478bd9Sstevel@tonic-gate sysevent_free_attr(ev_attr_list); 56707c478bd9Sstevel@tonic-gate } else { 56717c478bd9Sstevel@tonic-gate (void) log_sysevent(ev, SE_SLEEP, &eid); 56727c478bd9Sstevel@tonic-gate } 56737c478bd9Sstevel@tonic-gate fail: 56747c478bd9Sstevel@tonic-gate sysevent_free(ev); 56757c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 56767c478bd9Sstevel@tonic-gate } 56777c478bd9Sstevel@tonic-gate 56787c478bd9Sstevel@tonic-gate /* 56797c478bd9Sstevel@tonic-gate * Derive the device class of the node. 56807c478bd9Sstevel@tonic-gate * Device class names aren't defined yet. Until this is done we use 56817c478bd9Sstevel@tonic-gate * devfs event subclass names as device class names. 56827c478bd9Sstevel@tonic-gate */ 56837c478bd9Sstevel@tonic-gate static int 56847c478bd9Sstevel@tonic-gate derive_devi_class(dev_info_t *dip, char *node_type, int flag) 56857c478bd9Sstevel@tonic-gate { 56867c478bd9Sstevel@tonic-gate int rv = DDI_SUCCESS; 56877c478bd9Sstevel@tonic-gate 56887c478bd9Sstevel@tonic-gate if (i_ddi_devi_class(dip) == NULL) { 56897c478bd9Sstevel@tonic-gate if (strncmp(node_type, DDI_NT_BLOCK, 56907c478bd9Sstevel@tonic-gate sizeof (DDI_NT_BLOCK) - 1) == 0 && 56917c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_BLOCK) - 1] == '\0' || 56927c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_BLOCK) - 1] == ':') && 56937c478bd9Sstevel@tonic-gate strcmp(node_type, DDI_NT_FD) != 0) { 56947c478bd9Sstevel@tonic-gate 56957c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_DISK, flag); 56967c478bd9Sstevel@tonic-gate 56977c478bd9Sstevel@tonic-gate } else if (strncmp(node_type, DDI_NT_NET, 56987c478bd9Sstevel@tonic-gate sizeof (DDI_NT_NET) - 1) == 0 && 56997c478bd9Sstevel@tonic-gate (node_type[sizeof (DDI_NT_NET) - 1] == '\0' || 57007c478bd9Sstevel@tonic-gate node_type[sizeof (DDI_NT_NET) - 1] == ':')) { 57017c478bd9Sstevel@tonic-gate 57027c478bd9Sstevel@tonic-gate rv = i_ddi_set_devi_class(dip, ESC_NETWORK, flag); 57037c478bd9Sstevel@tonic-gate } 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate return (rv); 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate 57097c478bd9Sstevel@tonic-gate /* 57107c478bd9Sstevel@tonic-gate * Check compliance with PSARC 2003/375: 57117c478bd9Sstevel@tonic-gate * 57127c478bd9Sstevel@tonic-gate * The name must contain only characters a-z, A-Z, 0-9 or _ and it must not 57137c478bd9Sstevel@tonic-gate * exceed IFNAMSIZ (16) characters in length. 57147c478bd9Sstevel@tonic-gate */ 57157c478bd9Sstevel@tonic-gate static boolean_t 57167c478bd9Sstevel@tonic-gate verify_name(char *name) 57177c478bd9Sstevel@tonic-gate { 57187c478bd9Sstevel@tonic-gate size_t len = strlen(name); 57197c478bd9Sstevel@tonic-gate char *cp; 57207c478bd9Sstevel@tonic-gate 57217c478bd9Sstevel@tonic-gate if (len == 0 || len > IFNAMSIZ) 57227c478bd9Sstevel@tonic-gate return (B_FALSE); 57237c478bd9Sstevel@tonic-gate 57247c478bd9Sstevel@tonic-gate for (cp = name; *cp != '\0'; cp++) { 57257c478bd9Sstevel@tonic-gate if (!isalnum(*cp) && *cp != '_') 57267c478bd9Sstevel@tonic-gate return (B_FALSE); 57277c478bd9Sstevel@tonic-gate } 57287c478bd9Sstevel@tonic-gate 57297c478bd9Sstevel@tonic-gate return (B_TRUE); 57307c478bd9Sstevel@tonic-gate } 57317c478bd9Sstevel@tonic-gate 57327c478bd9Sstevel@tonic-gate /* 57337c478bd9Sstevel@tonic-gate * ddi_create_minor_common: Create a ddi_minor_data structure and 57347c478bd9Sstevel@tonic-gate * attach it to the given devinfo node. 57357c478bd9Sstevel@tonic-gate */ 57367c478bd9Sstevel@tonic-gate 57377c478bd9Sstevel@tonic-gate int 57387c478bd9Sstevel@tonic-gate ddi_create_minor_common(dev_info_t *dip, char *name, int spec_type, 57397c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, ddi_minor_type mtype, 57407c478bd9Sstevel@tonic-gate const char *read_priv, const char *write_priv, mode_t priv_mode) 57417c478bd9Sstevel@tonic-gate { 57427c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 57437c478bd9Sstevel@tonic-gate major_t major; 57447c478bd9Sstevel@tonic-gate 57457c478bd9Sstevel@tonic-gate if (spec_type != S_IFCHR && spec_type != S_IFBLK) 57467c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate if (name == NULL) 57497c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 57507c478bd9Sstevel@tonic-gate 57517c478bd9Sstevel@tonic-gate /* 57527c478bd9Sstevel@tonic-gate * Log a message if the minor number the driver is creating 57537c478bd9Sstevel@tonic-gate * is not expressible on the on-disk filesystem (currently 57547c478bd9Sstevel@tonic-gate * this is limited to 18 bits both by UFS). The device can 57557c478bd9Sstevel@tonic-gate * be opened via devfs, but not by device special files created 57567c478bd9Sstevel@tonic-gate * via mknod(). 57577c478bd9Sstevel@tonic-gate */ 57587c478bd9Sstevel@tonic-gate if (minor_num > L_MAXMIN32) { 57597c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, 57607c478bd9Sstevel@tonic-gate "%s%d:%s minor 0x%x too big for 32-bit applications", 57617c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), 57627c478bd9Sstevel@tonic-gate name, minor_num); 57637c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 57647c478bd9Sstevel@tonic-gate } 57657c478bd9Sstevel@tonic-gate 57667c478bd9Sstevel@tonic-gate /* dip must be bound and attached */ 57677c478bd9Sstevel@tonic-gate major = ddi_driver_major(dip); 57687c478bd9Sstevel@tonic-gate ASSERT(major != (major_t)-1); 57697c478bd9Sstevel@tonic-gate 57707c478bd9Sstevel@tonic-gate /* 57717c478bd9Sstevel@tonic-gate * Default node_type to DDI_PSEUDO and issue notice in debug mode 57727c478bd9Sstevel@tonic-gate */ 57737c478bd9Sstevel@tonic-gate if (node_type == NULL) { 57747c478bd9Sstevel@tonic-gate node_type = DDI_PSEUDO; 57757c478bd9Sstevel@tonic-gate NDI_CONFIG_DEBUG((CE_NOTE, "!illegal node_type NULL for %s%d " 57767c478bd9Sstevel@tonic-gate " minor node %s; default to DDI_PSEUDO", 57777c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip), name)); 57787c478bd9Sstevel@tonic-gate } 57797c478bd9Sstevel@tonic-gate 57807c478bd9Sstevel@tonic-gate /* 57817c478bd9Sstevel@tonic-gate * If the driver is a network driver, ensure that the name falls within 57827c478bd9Sstevel@tonic-gate * the interface naming constraints specified by PSARC/2003/375. 57837c478bd9Sstevel@tonic-gate */ 57847c478bd9Sstevel@tonic-gate if (strcmp(node_type, DDI_NT_NET) == 0) { 57857c478bd9Sstevel@tonic-gate if (!verify_name(name)) 57867c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 57877c478bd9Sstevel@tonic-gate 57887c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 57897c478bd9Sstevel@tonic-gate struct devnames *dnp = &devnamesp[major]; 57907c478bd9Sstevel@tonic-gate 57917c478bd9Sstevel@tonic-gate /* Mark driver as a network driver */ 57927c478bd9Sstevel@tonic-gate LOCK_DEV_OPS(&dnp->dn_lock); 57937c478bd9Sstevel@tonic-gate dnp->dn_flags |= DN_NETWORK_DRIVER; 57947c478bd9Sstevel@tonic-gate UNLOCK_DEV_OPS(&dnp->dn_lock); 57957c478bd9Sstevel@tonic-gate } 57967c478bd9Sstevel@tonic-gate } 57977c478bd9Sstevel@tonic-gate 57987c478bd9Sstevel@tonic-gate if (mtype == DDM_MINOR) { 57997c478bd9Sstevel@tonic-gate if (derive_devi_class(dip, node_type, KM_NOSLEEP) != 58007c478bd9Sstevel@tonic-gate DDI_SUCCESS) 58017c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 58027c478bd9Sstevel@tonic-gate } 58037c478bd9Sstevel@tonic-gate 58047c478bd9Sstevel@tonic-gate /* 58057c478bd9Sstevel@tonic-gate * Take care of minor number information for the node. 58067c478bd9Sstevel@tonic-gate */ 58077c478bd9Sstevel@tonic-gate 58087c478bd9Sstevel@tonic-gate if ((dmdp = kmem_zalloc(sizeof (struct ddi_minor_data), 58097c478bd9Sstevel@tonic-gate KM_NOSLEEP)) == NULL) { 58107c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 58117c478bd9Sstevel@tonic-gate } 58127c478bd9Sstevel@tonic-gate if ((dmdp->ddm_name = i_ddi_strdup(name, KM_NOSLEEP)) == NULL) { 58137c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 58147c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 58157c478bd9Sstevel@tonic-gate } 58167c478bd9Sstevel@tonic-gate dmdp->dip = dip; 58177c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(major, minor_num); 58187c478bd9Sstevel@tonic-gate dmdp->ddm_spec_type = spec_type; 58197c478bd9Sstevel@tonic-gate dmdp->ddm_node_type = node_type; 58207c478bd9Sstevel@tonic-gate dmdp->type = mtype; 58217c478bd9Sstevel@tonic-gate if (flag & CLONE_DEV) { 58227c478bd9Sstevel@tonic-gate dmdp->type = DDM_ALIAS; 58237c478bd9Sstevel@tonic-gate dmdp->ddm_dev = makedevice(ddi_driver_major(clone_dip), major); 58247c478bd9Sstevel@tonic-gate } 58257c478bd9Sstevel@tonic-gate if (flag & PRIVONLY_DEV) { 58267c478bd9Sstevel@tonic-gate dmdp->ddm_flags |= DM_NO_FSPERM; 58277c478bd9Sstevel@tonic-gate } 58287c478bd9Sstevel@tonic-gate if (read_priv || write_priv) { 58297c478bd9Sstevel@tonic-gate dmdp->ddm_node_priv = 58307c478bd9Sstevel@tonic-gate devpolicy_priv_by_name(read_priv, write_priv); 58317c478bd9Sstevel@tonic-gate } 58327c478bd9Sstevel@tonic-gate dmdp->ddm_priv_mode = priv_mode; 58337c478bd9Sstevel@tonic-gate 58347c478bd9Sstevel@tonic-gate ddi_append_minor_node(dip, dmdp); 58357c478bd9Sstevel@tonic-gate 58367c478bd9Sstevel@tonic-gate /* 58377c478bd9Sstevel@tonic-gate * only log ddi_create_minor_node() calls which occur 58387c478bd9Sstevel@tonic-gate * outside the scope of attach(9e)/detach(9e) reconfigurations 58397c478bd9Sstevel@tonic-gate */ 58407c478bd9Sstevel@tonic-gate if (!(DEVI_IS_ATTACHING(dip) || DEVI_IS_DETACHING(dip))) { 58417c478bd9Sstevel@tonic-gate (void) i_log_devfs_minor_create(dip, name); 58427c478bd9Sstevel@tonic-gate } 58437c478bd9Sstevel@tonic-gate 58447c478bd9Sstevel@tonic-gate /* 58457c478bd9Sstevel@tonic-gate * Check if any dacf rules match the creation of this minor node 58467c478bd9Sstevel@tonic-gate */ 58477c478bd9Sstevel@tonic-gate dacfc_match_create_minor(name, node_type, dip, dmdp, flag); 58487c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 58497c478bd9Sstevel@tonic-gate } 58507c478bd9Sstevel@tonic-gate 58517c478bd9Sstevel@tonic-gate int 58527c478bd9Sstevel@tonic-gate ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 58537c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 58547c478bd9Sstevel@tonic-gate { 58557c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 58567c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, NULL, NULL, 0)); 58577c478bd9Sstevel@tonic-gate } 58587c478bd9Sstevel@tonic-gate 58597c478bd9Sstevel@tonic-gate int 58607c478bd9Sstevel@tonic-gate ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 58617c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag, 58627c478bd9Sstevel@tonic-gate const char *rdpriv, const char *wrpriv, mode_t priv_mode) 58637c478bd9Sstevel@tonic-gate { 58647c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 58657c478bd9Sstevel@tonic-gate node_type, flag, DDM_MINOR, rdpriv, wrpriv, priv_mode)); 58667c478bd9Sstevel@tonic-gate } 58677c478bd9Sstevel@tonic-gate 58687c478bd9Sstevel@tonic-gate int 58697c478bd9Sstevel@tonic-gate ddi_create_default_minor_node(dev_info_t *dip, char *name, int spec_type, 58707c478bd9Sstevel@tonic-gate minor_t minor_num, char *node_type, int flag) 58717c478bd9Sstevel@tonic-gate { 58727c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 58737c478bd9Sstevel@tonic-gate node_type, flag, DDM_DEFAULT, NULL, NULL, 0)); 58747c478bd9Sstevel@tonic-gate } 58757c478bd9Sstevel@tonic-gate 58767c478bd9Sstevel@tonic-gate /* 58777c478bd9Sstevel@tonic-gate * Internal (non-ddi) routine for drivers to export names known 58787c478bd9Sstevel@tonic-gate * to the kernel (especially ddi_pathname_to_dev_t and friends) 58797c478bd9Sstevel@tonic-gate * but not exported externally to /dev 58807c478bd9Sstevel@tonic-gate */ 58817c478bd9Sstevel@tonic-gate int 58827c478bd9Sstevel@tonic-gate ddi_create_internal_pathname(dev_info_t *dip, char *name, int spec_type, 58837c478bd9Sstevel@tonic-gate minor_t minor_num) 58847c478bd9Sstevel@tonic-gate { 58857c478bd9Sstevel@tonic-gate return (ddi_create_minor_common(dip, name, spec_type, minor_num, 58867c478bd9Sstevel@tonic-gate "internal", 0, DDM_INTERNAL_PATH, NULL, NULL, 0)); 58877c478bd9Sstevel@tonic-gate } 58887c478bd9Sstevel@tonic-gate 58897c478bd9Sstevel@tonic-gate void 58907c478bd9Sstevel@tonic-gate ddi_remove_minor_node(dev_info_t *dip, char *name) 58917c478bd9Sstevel@tonic-gate { 58927c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp, *dmdp1; 58937c478bd9Sstevel@tonic-gate struct ddi_minor_data **dmdp_prev; 58947c478bd9Sstevel@tonic-gate 58957c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 58967c478bd9Sstevel@tonic-gate i_devi_enter(dip, DEVI_S_MD_UPDATE, DEVI_S_MD_UPDATE, 1); 58977c478bd9Sstevel@tonic-gate 58987c478bd9Sstevel@tonic-gate dmdp_prev = &DEVI(dip)->devi_minor; 58997c478bd9Sstevel@tonic-gate dmdp = DEVI(dip)->devi_minor; 59007c478bd9Sstevel@tonic-gate while (dmdp != NULL) { 59017c478bd9Sstevel@tonic-gate dmdp1 = dmdp->next; 59027c478bd9Sstevel@tonic-gate if ((name == NULL || (dmdp->ddm_name != NULL && 59037c478bd9Sstevel@tonic-gate strcmp(name, dmdp->ddm_name) == 0))) { 59047c478bd9Sstevel@tonic-gate if (dmdp->ddm_name != NULL) { 59057c478bd9Sstevel@tonic-gate (void) i_log_devfs_minor_remove(dip, 59067c478bd9Sstevel@tonic-gate dmdp->ddm_name); 59077c478bd9Sstevel@tonic-gate kmem_free(dmdp->ddm_name, 59087c478bd9Sstevel@tonic-gate strlen(dmdp->ddm_name) + 1); 59097c478bd9Sstevel@tonic-gate } 59107c478bd9Sstevel@tonic-gate /* 59117c478bd9Sstevel@tonic-gate * Release device privilege, if any. 59127c478bd9Sstevel@tonic-gate * Release dacf client data associated with this minor 59137c478bd9Sstevel@tonic-gate * node by storing NULL. 59147c478bd9Sstevel@tonic-gate */ 59157c478bd9Sstevel@tonic-gate if (dmdp->ddm_node_priv) 59167c478bd9Sstevel@tonic-gate dpfree(dmdp->ddm_node_priv); 59177c478bd9Sstevel@tonic-gate dacf_store_info((dacf_infohdl_t)dmdp, NULL); 59187c478bd9Sstevel@tonic-gate kmem_free(dmdp, sizeof (struct ddi_minor_data)); 59197c478bd9Sstevel@tonic-gate *dmdp_prev = dmdp1; 59207c478bd9Sstevel@tonic-gate /* 59217c478bd9Sstevel@tonic-gate * OK, we found it, so get out now -- if we drive on, 59227c478bd9Sstevel@tonic-gate * we will strcmp against garbage. See 1139209. 59237c478bd9Sstevel@tonic-gate */ 59247c478bd9Sstevel@tonic-gate if (name != NULL) 59257c478bd9Sstevel@tonic-gate break; 59267c478bd9Sstevel@tonic-gate } else { 59277c478bd9Sstevel@tonic-gate dmdp_prev = &dmdp->next; 59287c478bd9Sstevel@tonic-gate } 59297c478bd9Sstevel@tonic-gate dmdp = dmdp1; 59307c478bd9Sstevel@tonic-gate } 59317c478bd9Sstevel@tonic-gate 59327c478bd9Sstevel@tonic-gate i_devi_exit(dip, DEVI_S_MD_UPDATE, 1); 59337c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 59347c478bd9Sstevel@tonic-gate } 59357c478bd9Sstevel@tonic-gate 59367c478bd9Sstevel@tonic-gate 59377c478bd9Sstevel@tonic-gate int 59387c478bd9Sstevel@tonic-gate ddi_in_panic() 59397c478bd9Sstevel@tonic-gate { 59407c478bd9Sstevel@tonic-gate return (panicstr != NULL); 59417c478bd9Sstevel@tonic-gate } 59427c478bd9Sstevel@tonic-gate 59437c478bd9Sstevel@tonic-gate 59447c478bd9Sstevel@tonic-gate /* 59457c478bd9Sstevel@tonic-gate * Find first bit set in a mask (returned counting from 1 up) 59467c478bd9Sstevel@tonic-gate */ 59477c478bd9Sstevel@tonic-gate 59487c478bd9Sstevel@tonic-gate int 59497c478bd9Sstevel@tonic-gate ddi_ffs(long mask) 59507c478bd9Sstevel@tonic-gate { 59517c478bd9Sstevel@tonic-gate extern int ffs(long mask); 59527c478bd9Sstevel@tonic-gate return (ffs(mask)); 59537c478bd9Sstevel@tonic-gate } 59547c478bd9Sstevel@tonic-gate 59557c478bd9Sstevel@tonic-gate /* 59567c478bd9Sstevel@tonic-gate * Find last bit set. Take mask and clear 59577c478bd9Sstevel@tonic-gate * all but the most significant bit, and 59587c478bd9Sstevel@tonic-gate * then let ffs do the rest of the work. 59597c478bd9Sstevel@tonic-gate * 59607c478bd9Sstevel@tonic-gate * Algorithm courtesy of Steve Chessin. 59617c478bd9Sstevel@tonic-gate */ 59627c478bd9Sstevel@tonic-gate 59637c478bd9Sstevel@tonic-gate int 59647c478bd9Sstevel@tonic-gate ddi_fls(long mask) 59657c478bd9Sstevel@tonic-gate { 59667c478bd9Sstevel@tonic-gate extern int ffs(long); 59677c478bd9Sstevel@tonic-gate 59687c478bd9Sstevel@tonic-gate while (mask) { 59697c478bd9Sstevel@tonic-gate long nx; 59707c478bd9Sstevel@tonic-gate 59717c478bd9Sstevel@tonic-gate if ((nx = (mask & (mask - 1))) == 0) 59727c478bd9Sstevel@tonic-gate break; 59737c478bd9Sstevel@tonic-gate mask = nx; 59747c478bd9Sstevel@tonic-gate } 59757c478bd9Sstevel@tonic-gate return (ffs(mask)); 59767c478bd9Sstevel@tonic-gate } 59777c478bd9Sstevel@tonic-gate 59787c478bd9Sstevel@tonic-gate /* 59797c478bd9Sstevel@tonic-gate * The next five routines comprise generic storage management utilities 59807c478bd9Sstevel@tonic-gate * for driver soft state structures (in "the old days," this was done 59817c478bd9Sstevel@tonic-gate * with a statically sized array - big systems and dynamic loading 59827c478bd9Sstevel@tonic-gate * and unloading make heap allocation more attractive) 59837c478bd9Sstevel@tonic-gate */ 59847c478bd9Sstevel@tonic-gate 59857c478bd9Sstevel@tonic-gate /* 59867c478bd9Sstevel@tonic-gate * Allocate a set of pointers to 'n_items' objects of size 'size' 59877c478bd9Sstevel@tonic-gate * bytes. Each pointer is initialized to nil. 59887c478bd9Sstevel@tonic-gate * 59897c478bd9Sstevel@tonic-gate * The 'size' and 'n_items' values are stashed in the opaque 59907c478bd9Sstevel@tonic-gate * handle returned to the caller. 59917c478bd9Sstevel@tonic-gate * 59927c478bd9Sstevel@tonic-gate * This implementation interprets 'set of pointers' to mean 'array 59937c478bd9Sstevel@tonic-gate * of pointers' but note that nothing in the interface definition 59947c478bd9Sstevel@tonic-gate * precludes an implementation that uses, for example, a linked list. 59957c478bd9Sstevel@tonic-gate * However there should be a small efficiency gain from using an array 59967c478bd9Sstevel@tonic-gate * at lookup time. 59977c478bd9Sstevel@tonic-gate * 59987c478bd9Sstevel@tonic-gate * NOTE As an optimization, we make our growable array allocations in 59997c478bd9Sstevel@tonic-gate * powers of two (bytes), since that's how much kmem_alloc (currently) 60007c478bd9Sstevel@tonic-gate * gives us anyway. It should save us some free/realloc's .. 60017c478bd9Sstevel@tonic-gate * 60027c478bd9Sstevel@tonic-gate * As a further optimization, we make the growable array start out 60037c478bd9Sstevel@tonic-gate * with MIN_N_ITEMS in it. 60047c478bd9Sstevel@tonic-gate */ 60057c478bd9Sstevel@tonic-gate 60067c478bd9Sstevel@tonic-gate #define MIN_N_ITEMS 8 /* 8 void *'s == 32 bytes */ 60077c478bd9Sstevel@tonic-gate 60087c478bd9Sstevel@tonic-gate int 60097c478bd9Sstevel@tonic-gate ddi_soft_state_init(void **state_p, size_t size, size_t n_items) 60107c478bd9Sstevel@tonic-gate { 60117c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 60127c478bd9Sstevel@tonic-gate 60137c478bd9Sstevel@tonic-gate if (state_p == NULL || *state_p != NULL || size == 0) 60147c478bd9Sstevel@tonic-gate return (EINVAL); 60157c478bd9Sstevel@tonic-gate 60167c478bd9Sstevel@tonic-gate ss = kmem_zalloc(sizeof (*ss), KM_SLEEP); 60177c478bd9Sstevel@tonic-gate mutex_init(&ss->lock, NULL, MUTEX_DRIVER, NULL); 60187c478bd9Sstevel@tonic-gate ss->size = size; 60197c478bd9Sstevel@tonic-gate 60207c478bd9Sstevel@tonic-gate if (n_items < MIN_N_ITEMS) 60217c478bd9Sstevel@tonic-gate ss->n_items = MIN_N_ITEMS; 60227c478bd9Sstevel@tonic-gate else { 60237c478bd9Sstevel@tonic-gate int bitlog; 60247c478bd9Sstevel@tonic-gate 60257c478bd9Sstevel@tonic-gate if ((bitlog = ddi_fls(n_items)) == ddi_ffs(n_items)) 60267c478bd9Sstevel@tonic-gate bitlog--; 60277c478bd9Sstevel@tonic-gate ss->n_items = 1 << bitlog; 60287c478bd9Sstevel@tonic-gate } 60297c478bd9Sstevel@tonic-gate 60307c478bd9Sstevel@tonic-gate ASSERT(ss->n_items >= n_items); 60317c478bd9Sstevel@tonic-gate 60327c478bd9Sstevel@tonic-gate ss->array = kmem_zalloc(ss->n_items * sizeof (void *), KM_SLEEP); 60337c478bd9Sstevel@tonic-gate 60347c478bd9Sstevel@tonic-gate *state_p = ss; 60357c478bd9Sstevel@tonic-gate 60367c478bd9Sstevel@tonic-gate return (0); 60377c478bd9Sstevel@tonic-gate } 60387c478bd9Sstevel@tonic-gate 60397c478bd9Sstevel@tonic-gate 60407c478bd9Sstevel@tonic-gate /* 60417c478bd9Sstevel@tonic-gate * Allocate a state structure of size 'size' to be associated 60427c478bd9Sstevel@tonic-gate * with item 'item'. 60437c478bd9Sstevel@tonic-gate * 60447c478bd9Sstevel@tonic-gate * In this implementation, the array is extended to 60457c478bd9Sstevel@tonic-gate * allow the requested offset, if needed. 60467c478bd9Sstevel@tonic-gate */ 60477c478bd9Sstevel@tonic-gate int 60487c478bd9Sstevel@tonic-gate ddi_soft_state_zalloc(void *state, int item) 60497c478bd9Sstevel@tonic-gate { 60507c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 60517c478bd9Sstevel@tonic-gate void **array; 60527c478bd9Sstevel@tonic-gate void *new_element; 60537c478bd9Sstevel@tonic-gate 60547c478bd9Sstevel@tonic-gate if ((ss = state) == NULL || item < 0) 60557c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60567c478bd9Sstevel@tonic-gate 60577c478bd9Sstevel@tonic-gate mutex_enter(&ss->lock); 60587c478bd9Sstevel@tonic-gate if (ss->size == 0) { 60597c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 60607c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "ddi_soft_state_zalloc: bad handle: %s", 60617c478bd9Sstevel@tonic-gate mod_containing_pc(caller())); 60627c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60637c478bd9Sstevel@tonic-gate } 60647c478bd9Sstevel@tonic-gate 60657c478bd9Sstevel@tonic-gate array = ss->array; /* NULL if ss->n_items == 0 */ 60667c478bd9Sstevel@tonic-gate ASSERT(ss->n_items != 0 && array != NULL); 60677c478bd9Sstevel@tonic-gate 60687c478bd9Sstevel@tonic-gate /* 60697c478bd9Sstevel@tonic-gate * refuse to tread on an existing element 60707c478bd9Sstevel@tonic-gate */ 60717c478bd9Sstevel@tonic-gate if (item < ss->n_items && array[item] != NULL) { 60727c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 60737c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 60747c478bd9Sstevel@tonic-gate } 60757c478bd9Sstevel@tonic-gate 60767c478bd9Sstevel@tonic-gate /* 60777c478bd9Sstevel@tonic-gate * Allocate a new element to plug in 60787c478bd9Sstevel@tonic-gate */ 60797c478bd9Sstevel@tonic-gate new_element = kmem_zalloc(ss->size, KM_SLEEP); 60807c478bd9Sstevel@tonic-gate 60817c478bd9Sstevel@tonic-gate /* 60827c478bd9Sstevel@tonic-gate * Check if the array is big enough, if not, grow it. 60837c478bd9Sstevel@tonic-gate */ 60847c478bd9Sstevel@tonic-gate if (item >= ss->n_items) { 60857c478bd9Sstevel@tonic-gate void **new_array; 60867c478bd9Sstevel@tonic-gate size_t new_n_items; 60877c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *dirty; 60887c478bd9Sstevel@tonic-gate 60897c478bd9Sstevel@tonic-gate /* 60907c478bd9Sstevel@tonic-gate * Allocate a new array of the right length, copy 60917c478bd9Sstevel@tonic-gate * all the old pointers to the new array, then 60927c478bd9Sstevel@tonic-gate * if it exists at all, put the old array on the 60937c478bd9Sstevel@tonic-gate * dirty list. 60947c478bd9Sstevel@tonic-gate * 60957c478bd9Sstevel@tonic-gate * Note that we can't kmem_free() the old array. 60967c478bd9Sstevel@tonic-gate * 60977c478bd9Sstevel@tonic-gate * Why -- well the 'get' operation is 'mutex-free', so we 60987c478bd9Sstevel@tonic-gate * can't easily catch a suspended thread that is just about 60997c478bd9Sstevel@tonic-gate * to dereference the array we just grew out of. So we 61007c478bd9Sstevel@tonic-gate * cons up a header and put it on a list of 'dirty' 61017c478bd9Sstevel@tonic-gate * pointer arrays. (Dirty in the sense that there may 61027c478bd9Sstevel@tonic-gate * be suspended threads somewhere that are in the middle 61037c478bd9Sstevel@tonic-gate * of referencing them). Fortunately, we -can- garbage 61047c478bd9Sstevel@tonic-gate * collect it all at ddi_soft_state_fini time. 61057c478bd9Sstevel@tonic-gate */ 61067c478bd9Sstevel@tonic-gate new_n_items = ss->n_items; 61077c478bd9Sstevel@tonic-gate while (new_n_items < (1 + item)) 61087c478bd9Sstevel@tonic-gate new_n_items <<= 1; /* double array size .. */ 61097c478bd9Sstevel@tonic-gate 61107c478bd9Sstevel@tonic-gate ASSERT(new_n_items >= (1 + item)); /* sanity check! */ 61117c478bd9Sstevel@tonic-gate 61127c478bd9Sstevel@tonic-gate new_array = kmem_zalloc(new_n_items * sizeof (void *), 61137c478bd9Sstevel@tonic-gate KM_SLEEP); 61147c478bd9Sstevel@tonic-gate /* 61157c478bd9Sstevel@tonic-gate * Copy the pointers into the new array 61167c478bd9Sstevel@tonic-gate */ 61177c478bd9Sstevel@tonic-gate bcopy(array, new_array, ss->n_items * sizeof (void *)); 61187c478bd9Sstevel@tonic-gate 61197c478bd9Sstevel@tonic-gate /* 61207c478bd9Sstevel@tonic-gate * Save the old array on the dirty list 61217c478bd9Sstevel@tonic-gate */ 61227c478bd9Sstevel@tonic-gate dirty = kmem_zalloc(sizeof (*dirty), KM_SLEEP); 61237c478bd9Sstevel@tonic-gate dirty->array = ss->array; 61247c478bd9Sstevel@tonic-gate dirty->n_items = ss->n_items; 61257c478bd9Sstevel@tonic-gate dirty->next = ss->next; 61267c478bd9Sstevel@tonic-gate ss->next = dirty; 61277c478bd9Sstevel@tonic-gate 61287c478bd9Sstevel@tonic-gate ss->array = (array = new_array); 61297c478bd9Sstevel@tonic-gate ss->n_items = new_n_items; 61307c478bd9Sstevel@tonic-gate } 61317c478bd9Sstevel@tonic-gate 61327c478bd9Sstevel@tonic-gate ASSERT(array != NULL && item < ss->n_items && array[item] == NULL); 61337c478bd9Sstevel@tonic-gate 61347c478bd9Sstevel@tonic-gate array[item] = new_element; 61357c478bd9Sstevel@tonic-gate 61367c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 61377c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 61387c478bd9Sstevel@tonic-gate } 61397c478bd9Sstevel@tonic-gate 61407c478bd9Sstevel@tonic-gate 61417c478bd9Sstevel@tonic-gate /* 61427c478bd9Sstevel@tonic-gate * Fetch a pointer to the allocated soft state structure. 61437c478bd9Sstevel@tonic-gate * 61447c478bd9Sstevel@tonic-gate * This is designed to be cheap. 61457c478bd9Sstevel@tonic-gate * 61467c478bd9Sstevel@tonic-gate * There's an argument that there should be more checking for 61477c478bd9Sstevel@tonic-gate * nil pointers and out of bounds on the array.. but we do a lot 61487c478bd9Sstevel@tonic-gate * of that in the alloc/free routines. 61497c478bd9Sstevel@tonic-gate * 61507c478bd9Sstevel@tonic-gate * An array has the convenience that we don't need to lock read-access 61517c478bd9Sstevel@tonic-gate * to it c.f. a linked list. However our "expanding array" strategy 61527c478bd9Sstevel@tonic-gate * means that we should hold a readers lock on the i_ddi_soft_state 61537c478bd9Sstevel@tonic-gate * structure. 61547c478bd9Sstevel@tonic-gate * 61557c478bd9Sstevel@tonic-gate * However, from a performance viewpoint, we need to do it without 61567c478bd9Sstevel@tonic-gate * any locks at all -- this also makes it a leaf routine. The algorithm 61577c478bd9Sstevel@tonic-gate * is 'lock-free' because we only discard the pointer arrays at 61587c478bd9Sstevel@tonic-gate * ddi_soft_state_fini() time. 61597c478bd9Sstevel@tonic-gate */ 61607c478bd9Sstevel@tonic-gate void * 61617c478bd9Sstevel@tonic-gate ddi_get_soft_state(void *state, int item) 61627c478bd9Sstevel@tonic-gate { 61637c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss = state; 61647c478bd9Sstevel@tonic-gate 61657c478bd9Sstevel@tonic-gate ASSERT(ss != NULL && item >= 0); 61667c478bd9Sstevel@tonic-gate 61677c478bd9Sstevel@tonic-gate if (item < ss->n_items && ss->array != NULL) 61687c478bd9Sstevel@tonic-gate return (ss->array[item]); 61697c478bd9Sstevel@tonic-gate return (NULL); 61707c478bd9Sstevel@tonic-gate } 61717c478bd9Sstevel@tonic-gate 61727c478bd9Sstevel@tonic-gate /* 61737c478bd9Sstevel@tonic-gate * Free the state structure corresponding to 'item.' Freeing an 61747c478bd9Sstevel@tonic-gate * element that has either gone or was never allocated is not 61757c478bd9Sstevel@tonic-gate * considered an error. Note that we free the state structure, but 61767c478bd9Sstevel@tonic-gate * we don't shrink our pointer array, or discard 'dirty' arrays, 61777c478bd9Sstevel@tonic-gate * since even a few pointers don't really waste too much memory. 61787c478bd9Sstevel@tonic-gate * 61797c478bd9Sstevel@tonic-gate * Passing an item number that is out of bounds, or a null pointer will 61807c478bd9Sstevel@tonic-gate * provoke an error message. 61817c478bd9Sstevel@tonic-gate */ 61827c478bd9Sstevel@tonic-gate void 61837c478bd9Sstevel@tonic-gate ddi_soft_state_free(void *state, int item) 61847c478bd9Sstevel@tonic-gate { 61857c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss; 61867c478bd9Sstevel@tonic-gate void **array; 61877c478bd9Sstevel@tonic-gate void *element; 61887c478bd9Sstevel@tonic-gate static char msg[] = "ddi_soft_state_free:"; 61897c478bd9Sstevel@tonic-gate 61907c478bd9Sstevel@tonic-gate if ((ss = state) == NULL) { 61917c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s null handle: %s", 61927c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 61937c478bd9Sstevel@tonic-gate return; 61947c478bd9Sstevel@tonic-gate } 61957c478bd9Sstevel@tonic-gate 61967c478bd9Sstevel@tonic-gate element = NULL; 61977c478bd9Sstevel@tonic-gate 61987c478bd9Sstevel@tonic-gate mutex_enter(&ss->lock); 61997c478bd9Sstevel@tonic-gate 62007c478bd9Sstevel@tonic-gate if ((array = ss->array) == NULL || ss->size == 0) { 62017c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s bad handle: %s", 62027c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 62037c478bd9Sstevel@tonic-gate } else if (item < 0 || item >= ss->n_items) { 62047c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s item %d not in range [0..%lu]: %s", 62057c478bd9Sstevel@tonic-gate msg, item, ss->n_items - 1, mod_containing_pc(caller())); 62067c478bd9Sstevel@tonic-gate } else if (array[item] != NULL) { 62077c478bd9Sstevel@tonic-gate element = array[item]; 62087c478bd9Sstevel@tonic-gate array[item] = NULL; 62097c478bd9Sstevel@tonic-gate } 62107c478bd9Sstevel@tonic-gate 62117c478bd9Sstevel@tonic-gate mutex_exit(&ss->lock); 62127c478bd9Sstevel@tonic-gate 62137c478bd9Sstevel@tonic-gate if (element) 62147c478bd9Sstevel@tonic-gate kmem_free(element, ss->size); 62157c478bd9Sstevel@tonic-gate } 62167c478bd9Sstevel@tonic-gate 62177c478bd9Sstevel@tonic-gate 62187c478bd9Sstevel@tonic-gate /* 62197c478bd9Sstevel@tonic-gate * Free the entire set of pointers, and any 62207c478bd9Sstevel@tonic-gate * soft state structures contained therein. 62217c478bd9Sstevel@tonic-gate * 62227c478bd9Sstevel@tonic-gate * Note that we don't grab the ss->lock mutex, even though 62237c478bd9Sstevel@tonic-gate * we're inspecting the various fields of the data structure. 62247c478bd9Sstevel@tonic-gate * 62257c478bd9Sstevel@tonic-gate * There is an implicit assumption that this routine will 62267c478bd9Sstevel@tonic-gate * never run concurrently with any of the above on this 62277c478bd9Sstevel@tonic-gate * particular state structure i.e. by the time the driver 62287c478bd9Sstevel@tonic-gate * calls this routine, there should be no other threads 62297c478bd9Sstevel@tonic-gate * running in the driver. 62307c478bd9Sstevel@tonic-gate */ 62317c478bd9Sstevel@tonic-gate void 62327c478bd9Sstevel@tonic-gate ddi_soft_state_fini(void **state_p) 62337c478bd9Sstevel@tonic-gate { 62347c478bd9Sstevel@tonic-gate struct i_ddi_soft_state *ss, *dirty; 62357c478bd9Sstevel@tonic-gate int item; 62367c478bd9Sstevel@tonic-gate static char msg[] = "ddi_soft_state_fini:"; 62377c478bd9Sstevel@tonic-gate 62387c478bd9Sstevel@tonic-gate if (state_p == NULL || (ss = *state_p) == NULL) { 62397c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s null handle: %s", 62407c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 62417c478bd9Sstevel@tonic-gate return; 62427c478bd9Sstevel@tonic-gate } 62437c478bd9Sstevel@tonic-gate 62447c478bd9Sstevel@tonic-gate if (ss->size == 0) { 62457c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s bad handle: %s", 62467c478bd9Sstevel@tonic-gate msg, mod_containing_pc(caller())); 62477c478bd9Sstevel@tonic-gate return; 62487c478bd9Sstevel@tonic-gate } 62497c478bd9Sstevel@tonic-gate 62507c478bd9Sstevel@tonic-gate if (ss->n_items > 0) { 62517c478bd9Sstevel@tonic-gate for (item = 0; item < ss->n_items; item++) 62527c478bd9Sstevel@tonic-gate ddi_soft_state_free(ss, item); 62537c478bd9Sstevel@tonic-gate kmem_free(ss->array, ss->n_items * sizeof (void *)); 62547c478bd9Sstevel@tonic-gate } 62557c478bd9Sstevel@tonic-gate 62567c478bd9Sstevel@tonic-gate /* 62577c478bd9Sstevel@tonic-gate * Now delete any dirty arrays from previous 'grow' operations 62587c478bd9Sstevel@tonic-gate */ 62597c478bd9Sstevel@tonic-gate for (dirty = ss->next; dirty; dirty = ss->next) { 62607c478bd9Sstevel@tonic-gate ss->next = dirty->next; 62617c478bd9Sstevel@tonic-gate kmem_free(dirty->array, dirty->n_items * sizeof (void *)); 62627c478bd9Sstevel@tonic-gate kmem_free(dirty, sizeof (*dirty)); 62637c478bd9Sstevel@tonic-gate } 62647c478bd9Sstevel@tonic-gate 62657c478bd9Sstevel@tonic-gate mutex_destroy(&ss->lock); 62667c478bd9Sstevel@tonic-gate kmem_free(ss, sizeof (*ss)); 62677c478bd9Sstevel@tonic-gate 62687c478bd9Sstevel@tonic-gate *state_p = NULL; 62697c478bd9Sstevel@tonic-gate } 62707c478bd9Sstevel@tonic-gate 62717c478bd9Sstevel@tonic-gate /* 6272fe9fe9fbScth * This sets the devi_addr entry in the dev_info structure 'dip' to 'name'. 6273fe9fe9fbScth * Storage is double buffered to prevent updates during devi_addr use - 6274fe9fe9fbScth * double buffering is adaquate for reliable ddi_deviname() consumption. 6275fe9fe9fbScth * The double buffer is not freed until dev_info structure destruction 6276fe9fe9fbScth * (by i_ddi_free_node). 62777c478bd9Sstevel@tonic-gate */ 62787c478bd9Sstevel@tonic-gate void 62797c478bd9Sstevel@tonic-gate ddi_set_name_addr(dev_info_t *dip, char *name) 62807c478bd9Sstevel@tonic-gate { 6281fe9fe9fbScth char *buf = DEVI(dip)->devi_addr_buf; 6282fe9fe9fbScth char *newaddr; 62837c478bd9Sstevel@tonic-gate 6284fe9fe9fbScth if (buf == NULL) { 6285fe9fe9fbScth buf = kmem_zalloc(2 * MAXNAMELEN, KM_SLEEP); 6286fe9fe9fbScth DEVI(dip)->devi_addr_buf = buf; 62877c478bd9Sstevel@tonic-gate } 6288fe9fe9fbScth 6289fe9fe9fbScth if (name) { 6290fe9fe9fbScth ASSERT(strlen(name) < MAXNAMELEN); 6291fe9fe9fbScth newaddr = (DEVI(dip)->devi_addr == buf) ? 6292fe9fe9fbScth (buf + MAXNAMELEN) : buf; 6293fe9fe9fbScth (void) strlcpy(newaddr, name, MAXNAMELEN); 6294fe9fe9fbScth } else 6295fe9fe9fbScth newaddr = NULL; 6296fe9fe9fbScth 6297fe9fe9fbScth DEVI(dip)->devi_addr = newaddr; 62987c478bd9Sstevel@tonic-gate } 62997c478bd9Sstevel@tonic-gate 63007c478bd9Sstevel@tonic-gate char * 63017c478bd9Sstevel@tonic-gate ddi_get_name_addr(dev_info_t *dip) 63027c478bd9Sstevel@tonic-gate { 63037c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_addr); 63047c478bd9Sstevel@tonic-gate } 63057c478bd9Sstevel@tonic-gate 63067c478bd9Sstevel@tonic-gate void 63077c478bd9Sstevel@tonic-gate ddi_set_parent_data(dev_info_t *dip, void *pd) 63087c478bd9Sstevel@tonic-gate { 63097c478bd9Sstevel@tonic-gate DEVI(dip)->devi_parent_data = pd; 63107c478bd9Sstevel@tonic-gate } 63117c478bd9Sstevel@tonic-gate 63127c478bd9Sstevel@tonic-gate void * 63137c478bd9Sstevel@tonic-gate ddi_get_parent_data(dev_info_t *dip) 63147c478bd9Sstevel@tonic-gate { 63157c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_parent_data); 63167c478bd9Sstevel@tonic-gate } 63177c478bd9Sstevel@tonic-gate 63187c478bd9Sstevel@tonic-gate /* 63197c478bd9Sstevel@tonic-gate * ddi_name_to_major: Returns the major number of a module given its name. 63207c478bd9Sstevel@tonic-gate */ 63217c478bd9Sstevel@tonic-gate major_t 63227c478bd9Sstevel@tonic-gate ddi_name_to_major(char *name) 63237c478bd9Sstevel@tonic-gate { 63247c478bd9Sstevel@tonic-gate return (mod_name_to_major(name)); 63257c478bd9Sstevel@tonic-gate } 63267c478bd9Sstevel@tonic-gate 63277c478bd9Sstevel@tonic-gate /* 63287c478bd9Sstevel@tonic-gate * ddi_major_to_name: Returns the module name bound to a major number. 63297c478bd9Sstevel@tonic-gate */ 63307c478bd9Sstevel@tonic-gate char * 63317c478bd9Sstevel@tonic-gate ddi_major_to_name(major_t major) 63327c478bd9Sstevel@tonic-gate { 63337c478bd9Sstevel@tonic-gate return (mod_major_to_name(major)); 63347c478bd9Sstevel@tonic-gate } 63357c478bd9Sstevel@tonic-gate 63367c478bd9Sstevel@tonic-gate /* 63377c478bd9Sstevel@tonic-gate * Return the name of the devinfo node pointed at by 'dip' in the buffer 63387c478bd9Sstevel@tonic-gate * pointed at by 'name.' A devinfo node is named as a result of calling 63397c478bd9Sstevel@tonic-gate * ddi_initchild(). 63407c478bd9Sstevel@tonic-gate * 63417c478bd9Sstevel@tonic-gate * Note: the driver must be held before calling this function! 63427c478bd9Sstevel@tonic-gate */ 63437c478bd9Sstevel@tonic-gate char * 63447c478bd9Sstevel@tonic-gate ddi_deviname(dev_info_t *dip, char *name) 63457c478bd9Sstevel@tonic-gate { 63467c478bd9Sstevel@tonic-gate char *addrname; 63477c478bd9Sstevel@tonic-gate char none = '\0'; 63487c478bd9Sstevel@tonic-gate 63497c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 63507c478bd9Sstevel@tonic-gate *name = '\0'; 63517c478bd9Sstevel@tonic-gate return (name); 63527c478bd9Sstevel@tonic-gate } 63537c478bd9Sstevel@tonic-gate 63547c478bd9Sstevel@tonic-gate if (i_ddi_node_state(dip) < DS_INITIALIZED) { 63557c478bd9Sstevel@tonic-gate addrname = &none; 63567c478bd9Sstevel@tonic-gate } else { 63577c478bd9Sstevel@tonic-gate addrname = ddi_get_name_addr(dip); 63587c478bd9Sstevel@tonic-gate } 63597c478bd9Sstevel@tonic-gate 63607c478bd9Sstevel@tonic-gate if (*addrname == '\0') { 63617c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s", ddi_node_name(dip)); 63627c478bd9Sstevel@tonic-gate } else { 63637c478bd9Sstevel@tonic-gate (void) sprintf(name, "/%s@%s", ddi_node_name(dip), addrname); 63647c478bd9Sstevel@tonic-gate } 63657c478bd9Sstevel@tonic-gate 63667c478bd9Sstevel@tonic-gate return (name); 63677c478bd9Sstevel@tonic-gate } 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate /* 63707c478bd9Sstevel@tonic-gate * Spits out the name of device node, typically name@addr, for a given node, 63717c478bd9Sstevel@tonic-gate * using the driver name, not the nodename. 63727c478bd9Sstevel@tonic-gate * 63737c478bd9Sstevel@tonic-gate * Used by match_parent. Not to be used elsewhere. 63747c478bd9Sstevel@tonic-gate */ 63757c478bd9Sstevel@tonic-gate char * 63767c478bd9Sstevel@tonic-gate i_ddi_parname(dev_info_t *dip, char *name) 63777c478bd9Sstevel@tonic-gate { 63787c478bd9Sstevel@tonic-gate char *addrname; 63797c478bd9Sstevel@tonic-gate 63807c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 63817c478bd9Sstevel@tonic-gate *name = '\0'; 63827c478bd9Sstevel@tonic-gate return (name); 63837c478bd9Sstevel@tonic-gate } 63847c478bd9Sstevel@tonic-gate 63857c478bd9Sstevel@tonic-gate ASSERT(i_ddi_node_state(dip) >= DS_INITIALIZED); 63867c478bd9Sstevel@tonic-gate 63877c478bd9Sstevel@tonic-gate if (*(addrname = ddi_get_name_addr(dip)) == '\0') 63887c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s", ddi_binding_name(dip)); 63897c478bd9Sstevel@tonic-gate else 63907c478bd9Sstevel@tonic-gate (void) sprintf(name, "%s@%s", ddi_binding_name(dip), addrname); 63917c478bd9Sstevel@tonic-gate return (name); 63927c478bd9Sstevel@tonic-gate } 63937c478bd9Sstevel@tonic-gate 63947c478bd9Sstevel@tonic-gate static char * 63957c478bd9Sstevel@tonic-gate pathname_work(dev_info_t *dip, char *path) 63967c478bd9Sstevel@tonic-gate { 63977c478bd9Sstevel@tonic-gate char *bp; 63987c478bd9Sstevel@tonic-gate 63997c478bd9Sstevel@tonic-gate if (dip == ddi_root_node()) { 64007c478bd9Sstevel@tonic-gate *path = '\0'; 64017c478bd9Sstevel@tonic-gate return (path); 64027c478bd9Sstevel@tonic-gate } 64037c478bd9Sstevel@tonic-gate (void) pathname_work(ddi_get_parent(dip), path); 64047c478bd9Sstevel@tonic-gate bp = path + strlen(path); 64057c478bd9Sstevel@tonic-gate (void) ddi_deviname(dip, bp); 64067c478bd9Sstevel@tonic-gate return (path); 64077c478bd9Sstevel@tonic-gate } 64087c478bd9Sstevel@tonic-gate 64097c478bd9Sstevel@tonic-gate char * 64107c478bd9Sstevel@tonic-gate ddi_pathname(dev_info_t *dip, char *path) 64117c478bd9Sstevel@tonic-gate { 64127c478bd9Sstevel@tonic-gate return (pathname_work(dip, path)); 64137c478bd9Sstevel@tonic-gate } 64147c478bd9Sstevel@tonic-gate 64157c478bd9Sstevel@tonic-gate /* 64167c478bd9Sstevel@tonic-gate * Given a dev_t, return the pathname of the corresponding device in the 64177c478bd9Sstevel@tonic-gate * buffer pointed at by "path." The buffer is assumed to be large enough 64187c478bd9Sstevel@tonic-gate * to hold the pathname of the device (MAXPATHLEN). 64197c478bd9Sstevel@tonic-gate * 64207c478bd9Sstevel@tonic-gate * The pathname of a device is the pathname of the devinfo node to which 64217c478bd9Sstevel@tonic-gate * the device "belongs," concatenated with the character ':' and the name 64227c478bd9Sstevel@tonic-gate * of the minor node corresponding to the dev_t. If spec_type is 0 then 64237c478bd9Sstevel@tonic-gate * just the pathname of the devinfo node is returned without driving attach 64247c478bd9Sstevel@tonic-gate * of that node. For a non-zero spec_type, an attach is performed and a 64257c478bd9Sstevel@tonic-gate * search of the minor list occurs. 64267c478bd9Sstevel@tonic-gate * 64277c478bd9Sstevel@tonic-gate * It is possible that the path associated with the dev_t is not 64287c478bd9Sstevel@tonic-gate * currently available in the devinfo tree. In order to have a 64297c478bd9Sstevel@tonic-gate * dev_t, a device must have been discovered before, which means 64307c478bd9Sstevel@tonic-gate * that the path is always in the instance tree. The one exception 64317c478bd9Sstevel@tonic-gate * to this is if the dev_t is associated with a pseudo driver, in 64327c478bd9Sstevel@tonic-gate * which case the device must exist on the pseudo branch of the 64337c478bd9Sstevel@tonic-gate * devinfo tree as a result of parsing .conf files. 64347c478bd9Sstevel@tonic-gate */ 64357c478bd9Sstevel@tonic-gate int 64367c478bd9Sstevel@tonic-gate ddi_dev_pathname(dev_t devt, int spec_type, char *path) 64377c478bd9Sstevel@tonic-gate { 64387c478bd9Sstevel@tonic-gate major_t major = getmajor(devt); 64397c478bd9Sstevel@tonic-gate int instance; 64407c478bd9Sstevel@tonic-gate dev_info_t *dip; 64417c478bd9Sstevel@tonic-gate char *minorname; 64427c478bd9Sstevel@tonic-gate char *drvname; 64437c478bd9Sstevel@tonic-gate 64447c478bd9Sstevel@tonic-gate if (major >= devcnt) 64457c478bd9Sstevel@tonic-gate goto fail; 64467c478bd9Sstevel@tonic-gate if (major == clone_major) { 64477c478bd9Sstevel@tonic-gate /* clone has no minor nodes, manufacture the path here */ 64487c478bd9Sstevel@tonic-gate if ((drvname = ddi_major_to_name(getminor(devt))) == NULL) 64497c478bd9Sstevel@tonic-gate goto fail; 64507c478bd9Sstevel@tonic-gate 64517c478bd9Sstevel@tonic-gate (void) snprintf(path, MAXPATHLEN, "%s:%s", CLONE_PATH, drvname); 64527c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 64537c478bd9Sstevel@tonic-gate } 64547c478bd9Sstevel@tonic-gate 64557c478bd9Sstevel@tonic-gate /* extract instance from devt (getinfo(9E) DDI_INFO_DEVT2INSTANCE). */ 64567c478bd9Sstevel@tonic-gate if ((instance = dev_to_instance(devt)) == -1) 64577c478bd9Sstevel@tonic-gate goto fail; 64587c478bd9Sstevel@tonic-gate 64597c478bd9Sstevel@tonic-gate /* reconstruct the path given the major/instance */ 64607c478bd9Sstevel@tonic-gate if (e_ddi_majorinstance_to_path(major, instance, path) != DDI_SUCCESS) 64617c478bd9Sstevel@tonic-gate goto fail; 64627c478bd9Sstevel@tonic-gate 64637c478bd9Sstevel@tonic-gate /* if spec_type given we must drive attach and search minor nodes */ 64647c478bd9Sstevel@tonic-gate if ((spec_type == S_IFCHR) || (spec_type == S_IFBLK)) { 64657c478bd9Sstevel@tonic-gate /* attach the path so we can search minors */ 64667c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_path(path, 0)) == NULL) 64677c478bd9Sstevel@tonic-gate goto fail; 64687c478bd9Sstevel@tonic-gate 64697c478bd9Sstevel@tonic-gate /* Add minorname to path. */ 64707c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 64717c478bd9Sstevel@tonic-gate minorname = i_ddi_devtspectype_to_minorname(dip, 64727c478bd9Sstevel@tonic-gate devt, spec_type); 64737c478bd9Sstevel@tonic-gate if (minorname) { 64747c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 64757c478bd9Sstevel@tonic-gate (void) strcat(path, minorname); 64767c478bd9Sstevel@tonic-gate } 64777c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 64787c478bd9Sstevel@tonic-gate ddi_release_devi(dip); 64797c478bd9Sstevel@tonic-gate if (minorname == NULL) 64807c478bd9Sstevel@tonic-gate goto fail; 64817c478bd9Sstevel@tonic-gate } 64827c478bd9Sstevel@tonic-gate ASSERT(strlen(path) < MAXPATHLEN); 64837c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 64847c478bd9Sstevel@tonic-gate 64857c478bd9Sstevel@tonic-gate fail: *path = 0; 64867c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 64877c478bd9Sstevel@tonic-gate } 64887c478bd9Sstevel@tonic-gate 64897c478bd9Sstevel@tonic-gate /* 64907c478bd9Sstevel@tonic-gate * Given a major number and an instance, return the path. 64917c478bd9Sstevel@tonic-gate * This interface does NOT drive attach. 64927c478bd9Sstevel@tonic-gate */ 64937c478bd9Sstevel@tonic-gate int 64947c478bd9Sstevel@tonic-gate e_ddi_majorinstance_to_path(major_t major, int instance, char *path) 64957c478bd9Sstevel@tonic-gate { 649605a69601Scth struct devnames *dnp; 64977c478bd9Sstevel@tonic-gate dev_info_t *dip; 64987c478bd9Sstevel@tonic-gate 649905a69601Scth if ((major >= devcnt) || (instance == -1)) { 650005a69601Scth *path = 0; 650105a69601Scth return (DDI_FAILURE); 650205a69601Scth } 650305a69601Scth 65047c478bd9Sstevel@tonic-gate /* look for the major/instance in the instance tree */ 65057c478bd9Sstevel@tonic-gate if (e_ddi_instance_majorinstance_to_path(major, instance, 650605a69601Scth path) == DDI_SUCCESS) { 650705a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 650805a69601Scth return (DDI_SUCCESS); 650905a69601Scth } 651005a69601Scth 651105a69601Scth /* 651205a69601Scth * Not in instance tree, find the instance on the per driver list and 651305a69601Scth * construct path to instance via ddi_pathname(). This is how paths 651405a69601Scth * down the 'pseudo' branch are constructed. 651505a69601Scth */ 651605a69601Scth dnp = &(devnamesp[major]); 651705a69601Scth LOCK_DEV_OPS(&(dnp->dn_lock)); 651805a69601Scth for (dip = dnp->dn_head; dip; 651905a69601Scth dip = (dev_info_t *)DEVI(dip)->devi_next) { 652005a69601Scth /* Skip if instance does not match. */ 652105a69601Scth if (DEVI(dip)->devi_instance != instance) 652205a69601Scth continue; 652305a69601Scth 652405a69601Scth /* 652505a69601Scth * An ndi_hold_devi() does not prevent DS_INITIALIZED->DS_BOUND 652605a69601Scth * node demotion, so it is not an effective way of ensuring 652705a69601Scth * that the ddi_pathname result has a unit-address. Instead, 652805a69601Scth * we reverify the node state after calling ddi_pathname(). 652905a69601Scth */ 653005a69601Scth if (i_ddi_node_state(dip) >= DS_INITIALIZED) { 653105a69601Scth (void) ddi_pathname(dip, path); 653205a69601Scth if (i_ddi_node_state(dip) < DS_INITIALIZED) 653305a69601Scth continue; 653405a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 653505a69601Scth ASSERT(strlen(path) < MAXPATHLEN); 653605a69601Scth return (DDI_SUCCESS); 65377c478bd9Sstevel@tonic-gate } 65387c478bd9Sstevel@tonic-gate } 653905a69601Scth UNLOCK_DEV_OPS(&(dnp->dn_lock)); 65407c478bd9Sstevel@tonic-gate 654105a69601Scth /* can't reconstruct the path */ 654205a69601Scth *path = 0; 654305a69601Scth return (DDI_FAILURE); 654405a69601Scth } 65457c478bd9Sstevel@tonic-gate 65467c478bd9Sstevel@tonic-gate #define GLD_DRIVER_PPA "SUNW,gld_v0_ppa" 65477c478bd9Sstevel@tonic-gate 65487c478bd9Sstevel@tonic-gate /* 65497c478bd9Sstevel@tonic-gate * Given the dip for a network interface return the ppa for that interface. 65507c478bd9Sstevel@tonic-gate * 65517c478bd9Sstevel@tonic-gate * In all cases except GLD v0 drivers, the ppa == instance. 65527c478bd9Sstevel@tonic-gate * In the case of GLD v0 drivers, the ppa is equal to the attach order. 65537c478bd9Sstevel@tonic-gate * So for these drivers when the attach routine calls gld_register(), 65547c478bd9Sstevel@tonic-gate * the GLD framework creates an integer property called "gld_driver_ppa" 65557c478bd9Sstevel@tonic-gate * that can be queried here. 65567c478bd9Sstevel@tonic-gate * 65577c478bd9Sstevel@tonic-gate * The only time this function is used is when a system is booting over nfs. 65587c478bd9Sstevel@tonic-gate * In this case the system has to resolve the pathname of the boot device 65597c478bd9Sstevel@tonic-gate * to it's ppa. 65607c478bd9Sstevel@tonic-gate */ 65617c478bd9Sstevel@tonic-gate int 65627c478bd9Sstevel@tonic-gate i_ddi_devi_get_ppa(dev_info_t *dip) 65637c478bd9Sstevel@tonic-gate { 65647c478bd9Sstevel@tonic-gate return (ddi_prop_get_int(DDI_DEV_T_ANY, dip, 65657c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, 65667c478bd9Sstevel@tonic-gate GLD_DRIVER_PPA, ddi_get_instance(dip))); 65677c478bd9Sstevel@tonic-gate } 65687c478bd9Sstevel@tonic-gate 65697c478bd9Sstevel@tonic-gate /* 65707c478bd9Sstevel@tonic-gate * i_ddi_devi_set_ppa() should only be called from gld_register() 65717c478bd9Sstevel@tonic-gate * and only for GLD v0 drivers 65727c478bd9Sstevel@tonic-gate */ 65737c478bd9Sstevel@tonic-gate void 65747c478bd9Sstevel@tonic-gate i_ddi_devi_set_ppa(dev_info_t *dip, int ppa) 65757c478bd9Sstevel@tonic-gate { 65767c478bd9Sstevel@tonic-gate (void) e_ddi_prop_update_int(DDI_DEV_T_NONE, dip, GLD_DRIVER_PPA, ppa); 65777c478bd9Sstevel@tonic-gate } 65787c478bd9Sstevel@tonic-gate 65797c478bd9Sstevel@tonic-gate 65807c478bd9Sstevel@tonic-gate /* 65817c478bd9Sstevel@tonic-gate * Private DDI Console bell functions. 65827c478bd9Sstevel@tonic-gate */ 65837c478bd9Sstevel@tonic-gate void 65847c478bd9Sstevel@tonic-gate ddi_ring_console_bell(clock_t duration) 65857c478bd9Sstevel@tonic-gate { 65867c478bd9Sstevel@tonic-gate if (ddi_console_bell_func != NULL) 65877c478bd9Sstevel@tonic-gate (*ddi_console_bell_func)(duration); 65887c478bd9Sstevel@tonic-gate } 65897c478bd9Sstevel@tonic-gate 65907c478bd9Sstevel@tonic-gate void 65917c478bd9Sstevel@tonic-gate ddi_set_console_bell(void (*bellfunc)(clock_t duration)) 65927c478bd9Sstevel@tonic-gate { 65937c478bd9Sstevel@tonic-gate ddi_console_bell_func = bellfunc; 65947c478bd9Sstevel@tonic-gate } 65957c478bd9Sstevel@tonic-gate 65967c478bd9Sstevel@tonic-gate int 65977c478bd9Sstevel@tonic-gate ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 65987c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 65997c478bd9Sstevel@tonic-gate { 66007c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_allochdl; 66017c478bd9Sstevel@tonic-gate ddi_dma_attr_t dma_attr; 66027c478bd9Sstevel@tonic-gate struct bus_ops *bop; 66037c478bd9Sstevel@tonic-gate 66047c478bd9Sstevel@tonic-gate if (attr == (ddi_dma_attr_t *)0) 66057c478bd9Sstevel@tonic-gate return (DDI_DMA_BADATTR); 66067c478bd9Sstevel@tonic-gate 66077c478bd9Sstevel@tonic-gate dma_attr = *attr; 66087c478bd9Sstevel@tonic-gate 66097c478bd9Sstevel@tonic-gate bop = DEVI(dip)->devi_ops->devo_bus_ops; 66107c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_allochdl) 66117c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_allochdl; 66127c478bd9Sstevel@tonic-gate 66137c478bd9Sstevel@tonic-gate return ((*funcp)(dip, dip, &dma_attr, waitfp, arg, handlep)); 66147c478bd9Sstevel@tonic-gate } 66157c478bd9Sstevel@tonic-gate 66167c478bd9Sstevel@tonic-gate void 66177c478bd9Sstevel@tonic-gate ddi_dma_free_handle(ddi_dma_handle_t *handlep) 66187c478bd9Sstevel@tonic-gate { 66197c478bd9Sstevel@tonic-gate ddi_dma_handle_t h = *handlep; 66207c478bd9Sstevel@tonic-gate (void) ddi_dma_freehdl(HD, HD, h); 66217c478bd9Sstevel@tonic-gate } 66227c478bd9Sstevel@tonic-gate 66237c478bd9Sstevel@tonic-gate static uintptr_t dma_mem_list_id = 0; 66247c478bd9Sstevel@tonic-gate 66257c478bd9Sstevel@tonic-gate 66267c478bd9Sstevel@tonic-gate int 66277c478bd9Sstevel@tonic-gate ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 66287c478bd9Sstevel@tonic-gate ddi_device_acc_attr_t *accattrp, uint_t xfermodes, 66297c478bd9Sstevel@tonic-gate int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 66307c478bd9Sstevel@tonic-gate size_t *real_length, ddi_acc_handle_t *handlep) 66317c478bd9Sstevel@tonic-gate { 66327c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 66337c478bd9Sstevel@tonic-gate dev_info_t *dip = hp->dmai_rdip; 66347c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 66357c478bd9Sstevel@tonic-gate ddi_dma_attr_t *attrp = &hp->dmai_attr; 66367c478bd9Sstevel@tonic-gate uint_t sleepflag; 66377c478bd9Sstevel@tonic-gate int (*fp)(caddr_t); 66387c478bd9Sstevel@tonic-gate int rval; 66397c478bd9Sstevel@tonic-gate 66407c478bd9Sstevel@tonic-gate if (waitfp == DDI_DMA_SLEEP) 66417c478bd9Sstevel@tonic-gate fp = (int (*)())KM_SLEEP; 66427c478bd9Sstevel@tonic-gate else if (waitfp == DDI_DMA_DONTWAIT) 66437c478bd9Sstevel@tonic-gate fp = (int (*)())KM_NOSLEEP; 66447c478bd9Sstevel@tonic-gate else 66457c478bd9Sstevel@tonic-gate fp = waitfp; 66467c478bd9Sstevel@tonic-gate *handlep = impl_acc_hdl_alloc(fp, arg); 66477c478bd9Sstevel@tonic-gate if (*handlep == NULL) 66487c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 66497c478bd9Sstevel@tonic-gate 66507c478bd9Sstevel@tonic-gate /* 66517c478bd9Sstevel@tonic-gate * initialize the common elements of data access handle 66527c478bd9Sstevel@tonic-gate */ 66537c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 66547c478bd9Sstevel@tonic-gate ap->ah_vers = VERS_ACCHDL; 66557c478bd9Sstevel@tonic-gate ap->ah_dip = dip; 66567c478bd9Sstevel@tonic-gate ap->ah_offset = 0; 66577c478bd9Sstevel@tonic-gate ap->ah_len = 0; 66587c478bd9Sstevel@tonic-gate ap->ah_xfermodes = xfermodes; 66597c478bd9Sstevel@tonic-gate ap->ah_acc = *accattrp; 66607c478bd9Sstevel@tonic-gate 66617c478bd9Sstevel@tonic-gate sleepflag = ((waitfp == DDI_DMA_SLEEP) ? 1 : 0); 66627c478bd9Sstevel@tonic-gate if (xfermodes == DDI_DMA_CONSISTENT) { 66637c478bd9Sstevel@tonic-gate rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 0, 66647c478bd9Sstevel@tonic-gate accattrp, kaddrp, NULL, ap); 66657c478bd9Sstevel@tonic-gate *real_length = length; 66667c478bd9Sstevel@tonic-gate } else { 66677c478bd9Sstevel@tonic-gate rval = i_ddi_mem_alloc(dip, attrp, length, sleepflag, 1, 66687c478bd9Sstevel@tonic-gate accattrp, kaddrp, real_length, ap); 66697c478bd9Sstevel@tonic-gate } 66707c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 66717c478bd9Sstevel@tonic-gate ap->ah_len = (off_t)(*real_length); 66727c478bd9Sstevel@tonic-gate ap->ah_addr = *kaddrp; 66737c478bd9Sstevel@tonic-gate } else { 66747c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 66757c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 66767c478bd9Sstevel@tonic-gate if (waitfp != DDI_DMA_SLEEP && waitfp != DDI_DMA_DONTWAIT) { 66777c478bd9Sstevel@tonic-gate ddi_set_callback(waitfp, arg, &dma_mem_list_id); 66787c478bd9Sstevel@tonic-gate } 66797c478bd9Sstevel@tonic-gate rval = DDI_FAILURE; 66807c478bd9Sstevel@tonic-gate } 66817c478bd9Sstevel@tonic-gate return (rval); 66827c478bd9Sstevel@tonic-gate } 66837c478bd9Sstevel@tonic-gate 66847c478bd9Sstevel@tonic-gate void 66857c478bd9Sstevel@tonic-gate ddi_dma_mem_free(ddi_acc_handle_t *handlep) 66867c478bd9Sstevel@tonic-gate { 66877c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *ap; 66887c478bd9Sstevel@tonic-gate 66897c478bd9Sstevel@tonic-gate ap = impl_acc_hdl_get(*handlep); 66907c478bd9Sstevel@tonic-gate ASSERT(ap); 66917c478bd9Sstevel@tonic-gate 66927c478bd9Sstevel@tonic-gate if (ap->ah_xfermodes == DDI_DMA_CONSISTENT) { 66937c478bd9Sstevel@tonic-gate i_ddi_mem_free((caddr_t)ap->ah_addr, 0); 66947c478bd9Sstevel@tonic-gate } else { 66957c478bd9Sstevel@tonic-gate i_ddi_mem_free((caddr_t)ap->ah_addr, 1); 66967c478bd9Sstevel@tonic-gate } 66977c478bd9Sstevel@tonic-gate 66987c478bd9Sstevel@tonic-gate /* 66997c478bd9Sstevel@tonic-gate * free the handle 67007c478bd9Sstevel@tonic-gate */ 67017c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 67027c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 67037c478bd9Sstevel@tonic-gate 67047c478bd9Sstevel@tonic-gate if (dma_mem_list_id != 0) { 67057c478bd9Sstevel@tonic-gate ddi_run_callback(&dma_mem_list_id); 67067c478bd9Sstevel@tonic-gate } 67077c478bd9Sstevel@tonic-gate } 67087c478bd9Sstevel@tonic-gate 67097c478bd9Sstevel@tonic-gate int 67107c478bd9Sstevel@tonic-gate ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 67117c478bd9Sstevel@tonic-gate uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 67127c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cookiep, uint_t *ccountp) 67137c478bd9Sstevel@tonic-gate { 67147c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 67157c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 67167c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 67177c478bd9Sstevel@tonic-gate int (*funcp)(); 67187c478bd9Sstevel@tonic-gate 67197c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 67207c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 67217c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 67227c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = (uint_t)bp->b_bcount; 67237c478bd9Sstevel@tonic-gate 67247c478bd9Sstevel@tonic-gate if ((bp->b_flags & (B_PAGEIO|B_REMAPPED)) == B_PAGEIO) { 67257c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_PAGES; 67267c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_pp = bp->b_pages; 67277c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.pp_obj.pp_offset = 67287c478bd9Sstevel@tonic-gate (uint_t)(((uintptr_t)bp->b_un.b_addr) & MMU_PAGEOFFSET); 67297c478bd9Sstevel@tonic-gate } else { 67307c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = bp->b_un.b_addr; 67317c478bd9Sstevel@tonic-gate if ((bp->b_flags & (B_SHADOW|B_REMAPPED)) == B_SHADOW) { 67327c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = 67337c478bd9Sstevel@tonic-gate bp->b_shadow; 67347c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_BUFVADDR; 67357c478bd9Sstevel@tonic-gate } else { 67367c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = 67377c478bd9Sstevel@tonic-gate (bp->b_flags & (B_PHYS | B_REMAPPED))? 67387c478bd9Sstevel@tonic-gate DMA_OTYP_BUFVADDR : DMA_OTYP_VADDR; 67397c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 67407c478bd9Sstevel@tonic-gate } 67417c478bd9Sstevel@tonic-gate 67427c478bd9Sstevel@tonic-gate /* 67437c478bd9Sstevel@tonic-gate * If the buffer has no proc pointer, or the proc 67447c478bd9Sstevel@tonic-gate * struct has the kernel address space, or the buffer has 67457c478bd9Sstevel@tonic-gate * been marked B_REMAPPED (meaning that it is now 67467c478bd9Sstevel@tonic-gate * mapped into the kernel's address space), then 67477c478bd9Sstevel@tonic-gate * the address space is kas (kernel address space). 67487c478bd9Sstevel@tonic-gate */ 67497c478bd9Sstevel@tonic-gate if (bp->b_proc == NULL || bp->b_proc->p_as == &kas || 67507c478bd9Sstevel@tonic-gate (bp->b_flags & B_REMAPPED) != 0) { 67517c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 0; 67527c478bd9Sstevel@tonic-gate } else { 67537c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = 67547c478bd9Sstevel@tonic-gate bp->b_proc->p_as; 67557c478bd9Sstevel@tonic-gate } 67567c478bd9Sstevel@tonic-gate } 67577c478bd9Sstevel@tonic-gate 67587c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 67597c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 67607c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_bindfunc; 67617c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, handle, &dmareq, cookiep, ccountp)); 67627c478bd9Sstevel@tonic-gate } 67637c478bd9Sstevel@tonic-gate 67647c478bd9Sstevel@tonic-gate int 67657c478bd9Sstevel@tonic-gate ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 67667c478bd9Sstevel@tonic-gate caddr_t addr, size_t len, uint_t flags, int (*waitfp)(caddr_t), 67677c478bd9Sstevel@tonic-gate caddr_t arg, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 67687c478bd9Sstevel@tonic-gate { 67697c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 67707c478bd9Sstevel@tonic-gate dev_info_t *hdip, *dip; 67717c478bd9Sstevel@tonic-gate struct ddi_dma_req dmareq; 67727c478bd9Sstevel@tonic-gate int (*funcp)(); 67737c478bd9Sstevel@tonic-gate 67747c478bd9Sstevel@tonic-gate if (len == (uint_t)0) { 67757c478bd9Sstevel@tonic-gate return (DDI_DMA_NOMAPPING); 67767c478bd9Sstevel@tonic-gate } 67777c478bd9Sstevel@tonic-gate dmareq.dmar_flags = flags; 67787c478bd9Sstevel@tonic-gate dmareq.dmar_fp = waitfp; 67797c478bd9Sstevel@tonic-gate dmareq.dmar_arg = arg; 67807c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_size = len; 67817c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_type = DMA_OTYP_VADDR; 67827c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_as = as; 67837c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_addr = addr; 67847c478bd9Sstevel@tonic-gate dmareq.dmar_object.dmao_obj.virt_obj.v_priv = NULL; 67857c478bd9Sstevel@tonic-gate 67867c478bd9Sstevel@tonic-gate dip = hp->dmai_rdip; 67877c478bd9Sstevel@tonic-gate hdip = (dev_info_t *)DEVI(dip)->devi_bus_dma_bindhdl; 67887c478bd9Sstevel@tonic-gate funcp = DEVI(dip)->devi_bus_dma_bindfunc; 67897c478bd9Sstevel@tonic-gate return ((*funcp)(hdip, dip, handle, &dmareq, cookiep, ccountp)); 67907c478bd9Sstevel@tonic-gate } 67917c478bd9Sstevel@tonic-gate 67927c478bd9Sstevel@tonic-gate void 67937c478bd9Sstevel@tonic-gate ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep) 67947c478bd9Sstevel@tonic-gate { 67957c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 67967c478bd9Sstevel@tonic-gate ddi_dma_cookie_t *cp; 67977c478bd9Sstevel@tonic-gate 67987c478bd9Sstevel@tonic-gate cp = hp->dmai_cookie; 67997c478bd9Sstevel@tonic-gate ASSERT(cp); 68007c478bd9Sstevel@tonic-gate 68017c478bd9Sstevel@tonic-gate cookiep->dmac_notused = cp->dmac_notused; 68027c478bd9Sstevel@tonic-gate cookiep->dmac_type = cp->dmac_type; 68037c478bd9Sstevel@tonic-gate cookiep->dmac_address = cp->dmac_address; 68047c478bd9Sstevel@tonic-gate cookiep->dmac_size = cp->dmac_size; 68057c478bd9Sstevel@tonic-gate hp->dmai_cookie++; 68067c478bd9Sstevel@tonic-gate } 68077c478bd9Sstevel@tonic-gate 68087c478bd9Sstevel@tonic-gate int 68097c478bd9Sstevel@tonic-gate ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp) 68107c478bd9Sstevel@tonic-gate { 68117c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 68127c478bd9Sstevel@tonic-gate if ((hp->dmai_rflags & DDI_DMA_PARTIAL) == 0) { 68137c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 68147c478bd9Sstevel@tonic-gate } else { 68157c478bd9Sstevel@tonic-gate *nwinp = hp->dmai_nwin; 68167c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 68177c478bd9Sstevel@tonic-gate } 68187c478bd9Sstevel@tonic-gate } 68197c478bd9Sstevel@tonic-gate 68207c478bd9Sstevel@tonic-gate int 68217c478bd9Sstevel@tonic-gate ddi_dma_getwin(ddi_dma_handle_t h, uint_t win, off_t *offp, 68227c478bd9Sstevel@tonic-gate size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp) 68237c478bd9Sstevel@tonic-gate { 68247c478bd9Sstevel@tonic-gate int (*funcp)() = ddi_dma_win; 68257c478bd9Sstevel@tonic-gate struct bus_ops *bop; 68267c478bd9Sstevel@tonic-gate 68277c478bd9Sstevel@tonic-gate bop = DEVI(HD)->devi_ops->devo_bus_ops; 68287c478bd9Sstevel@tonic-gate if (bop && bop->bus_dma_win) 68297c478bd9Sstevel@tonic-gate funcp = bop->bus_dma_win; 68307c478bd9Sstevel@tonic-gate 68317c478bd9Sstevel@tonic-gate return ((*funcp)(HD, HD, h, win, offp, lenp, cookiep, ccountp)); 68327c478bd9Sstevel@tonic-gate } 68337c478bd9Sstevel@tonic-gate 68347c478bd9Sstevel@tonic-gate int 68357c478bd9Sstevel@tonic-gate ddi_dma_set_sbus64(ddi_dma_handle_t h, ulong_t burstsizes) 68367c478bd9Sstevel@tonic-gate { 68377c478bd9Sstevel@tonic-gate return (ddi_dma_mctl(HD, HD, h, DDI_DMA_SET_SBUS64, 0, 68387c478bd9Sstevel@tonic-gate &burstsizes, 0, 0)); 68397c478bd9Sstevel@tonic-gate } 68407c478bd9Sstevel@tonic-gate 68417c478bd9Sstevel@tonic-gate int 68427c478bd9Sstevel@tonic-gate i_ddi_dma_fault_check(ddi_dma_impl_t *hp) 68437c478bd9Sstevel@tonic-gate { 68447c478bd9Sstevel@tonic-gate return (hp->dmai_fault); 68457c478bd9Sstevel@tonic-gate } 68467c478bd9Sstevel@tonic-gate 68477c478bd9Sstevel@tonic-gate int 68487c478bd9Sstevel@tonic-gate ddi_check_dma_handle(ddi_dma_handle_t handle) 68497c478bd9Sstevel@tonic-gate { 68507c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 68517c478bd9Sstevel@tonic-gate int (*check)(ddi_dma_impl_t *); 68527c478bd9Sstevel@tonic-gate 68537c478bd9Sstevel@tonic-gate if ((check = hp->dmai_fault_check) == NULL) 68547c478bd9Sstevel@tonic-gate check = i_ddi_dma_fault_check; 68557c478bd9Sstevel@tonic-gate 68567c478bd9Sstevel@tonic-gate return (((*check)(hp) == DDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 68577c478bd9Sstevel@tonic-gate } 68587c478bd9Sstevel@tonic-gate 68597c478bd9Sstevel@tonic-gate void 68607c478bd9Sstevel@tonic-gate i_ddi_dma_set_fault(ddi_dma_handle_t handle) 68617c478bd9Sstevel@tonic-gate { 68627c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 68637c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 68647c478bd9Sstevel@tonic-gate 68657c478bd9Sstevel@tonic-gate if (!hp->dmai_fault) { 68667c478bd9Sstevel@tonic-gate hp->dmai_fault = 1; 68677c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 68687c478bd9Sstevel@tonic-gate (*notify)(hp); 68697c478bd9Sstevel@tonic-gate } 68707c478bd9Sstevel@tonic-gate } 68717c478bd9Sstevel@tonic-gate 68727c478bd9Sstevel@tonic-gate void 68737c478bd9Sstevel@tonic-gate i_ddi_dma_clr_fault(ddi_dma_handle_t handle) 68747c478bd9Sstevel@tonic-gate { 68757c478bd9Sstevel@tonic-gate ddi_dma_impl_t *hp = (ddi_dma_impl_t *)handle; 68767c478bd9Sstevel@tonic-gate void (*notify)(ddi_dma_impl_t *); 68777c478bd9Sstevel@tonic-gate 68787c478bd9Sstevel@tonic-gate if (hp->dmai_fault) { 68797c478bd9Sstevel@tonic-gate hp->dmai_fault = 0; 68807c478bd9Sstevel@tonic-gate if ((notify = hp->dmai_fault_notify) != NULL) 68817c478bd9Sstevel@tonic-gate (*notify)(hp); 68827c478bd9Sstevel@tonic-gate } 68837c478bd9Sstevel@tonic-gate } 68847c478bd9Sstevel@tonic-gate 68857c478bd9Sstevel@tonic-gate /* 68867c478bd9Sstevel@tonic-gate * register mapping routines. 68877c478bd9Sstevel@tonic-gate */ 68887c478bd9Sstevel@tonic-gate int 68897c478bd9Sstevel@tonic-gate ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 68907c478bd9Sstevel@tonic-gate offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 68917c478bd9Sstevel@tonic-gate ddi_acc_handle_t *handle) 68927c478bd9Sstevel@tonic-gate { 68937c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 68947c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 68957c478bd9Sstevel@tonic-gate int result; 68967c478bd9Sstevel@tonic-gate 68977c478bd9Sstevel@tonic-gate /* 68987c478bd9Sstevel@tonic-gate * Allocate and initialize the common elements of data access handle. 68997c478bd9Sstevel@tonic-gate */ 69007c478bd9Sstevel@tonic-gate *handle = impl_acc_hdl_alloc(KM_SLEEP, NULL); 69017c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handle); 69027c478bd9Sstevel@tonic-gate hp->ah_vers = VERS_ACCHDL; 69037c478bd9Sstevel@tonic-gate hp->ah_dip = dip; 69047c478bd9Sstevel@tonic-gate hp->ah_rnumber = rnumber; 69057c478bd9Sstevel@tonic-gate hp->ah_offset = offset; 69067c478bd9Sstevel@tonic-gate hp->ah_len = len; 69077c478bd9Sstevel@tonic-gate hp->ah_acc = *accattrp; 69087c478bd9Sstevel@tonic-gate 69097c478bd9Sstevel@tonic-gate /* 69107c478bd9Sstevel@tonic-gate * Set up the mapping request and call to parent. 69117c478bd9Sstevel@tonic-gate */ 69127c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_MAP_LOCKED; 69137c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 69147c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = rnumber; 69157c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 69167c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 69177c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 69187c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 69197c478bd9Sstevel@tonic-gate result = ddi_map(dip, &mr, offset, len, addrp); 69207c478bd9Sstevel@tonic-gate 69217c478bd9Sstevel@tonic-gate /* 69227c478bd9Sstevel@tonic-gate * check for end result 69237c478bd9Sstevel@tonic-gate */ 69247c478bd9Sstevel@tonic-gate if (result != DDI_SUCCESS) { 69257c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handle); 69267c478bd9Sstevel@tonic-gate *handle = (ddi_acc_handle_t)NULL; 69277c478bd9Sstevel@tonic-gate } else { 69287c478bd9Sstevel@tonic-gate hp->ah_addr = *addrp; 69297c478bd9Sstevel@tonic-gate } 69307c478bd9Sstevel@tonic-gate 69317c478bd9Sstevel@tonic-gate return (result); 69327c478bd9Sstevel@tonic-gate } 69337c478bd9Sstevel@tonic-gate 69347c478bd9Sstevel@tonic-gate void 69357c478bd9Sstevel@tonic-gate ddi_regs_map_free(ddi_acc_handle_t *handlep) 69367c478bd9Sstevel@tonic-gate { 69377c478bd9Sstevel@tonic-gate ddi_map_req_t mr; 69387c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 69397c478bd9Sstevel@tonic-gate 69407c478bd9Sstevel@tonic-gate hp = impl_acc_hdl_get(*handlep); 69417c478bd9Sstevel@tonic-gate ASSERT(hp); 69427c478bd9Sstevel@tonic-gate 69437c478bd9Sstevel@tonic-gate mr.map_op = DDI_MO_UNMAP; 69447c478bd9Sstevel@tonic-gate mr.map_type = DDI_MT_RNUMBER; 69457c478bd9Sstevel@tonic-gate mr.map_obj.rnumber = hp->ah_rnumber; 69467c478bd9Sstevel@tonic-gate mr.map_prot = PROT_READ | PROT_WRITE; 69477c478bd9Sstevel@tonic-gate mr.map_flags = DDI_MF_KERNEL_MAPPING; 69487c478bd9Sstevel@tonic-gate mr.map_handlep = hp; 69497c478bd9Sstevel@tonic-gate mr.map_vers = DDI_MAP_VERSION; 69507c478bd9Sstevel@tonic-gate 69517c478bd9Sstevel@tonic-gate /* 69527c478bd9Sstevel@tonic-gate * Call my parent to unmap my regs. 69537c478bd9Sstevel@tonic-gate */ 69547c478bd9Sstevel@tonic-gate (void) ddi_map(hp->ah_dip, &mr, hp->ah_offset, 69557c478bd9Sstevel@tonic-gate hp->ah_len, &hp->ah_addr); 69567c478bd9Sstevel@tonic-gate /* 69577c478bd9Sstevel@tonic-gate * free the handle 69587c478bd9Sstevel@tonic-gate */ 69597c478bd9Sstevel@tonic-gate impl_acc_hdl_free(*handlep); 69607c478bd9Sstevel@tonic-gate *handlep = (ddi_acc_handle_t)NULL; 69617c478bd9Sstevel@tonic-gate } 69627c478bd9Sstevel@tonic-gate 69637c478bd9Sstevel@tonic-gate int 69647c478bd9Sstevel@tonic-gate ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, size_t bytecount, 69657c478bd9Sstevel@tonic-gate ssize_t dev_advcnt, uint_t dev_datasz) 69667c478bd9Sstevel@tonic-gate { 69677c478bd9Sstevel@tonic-gate uint8_t *b; 69687c478bd9Sstevel@tonic-gate uint16_t *w; 69697c478bd9Sstevel@tonic-gate uint32_t *l; 69707c478bd9Sstevel@tonic-gate uint64_t *ll; 69717c478bd9Sstevel@tonic-gate 69727c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 69737c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 69747c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 69757c478bd9Sstevel@tonic-gate 69767c478bd9Sstevel@tonic-gate switch (dev_datasz) { 69777c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 69787c478bd9Sstevel@tonic-gate for (b = (uint8_t *)dev_addr; 69797c478bd9Sstevel@tonic-gate bytecount != 0; bytecount -= 1, b += dev_advcnt) 69807c478bd9Sstevel@tonic-gate ddi_put8(handle, b, 0); 69817c478bd9Sstevel@tonic-gate break; 69827c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 69837c478bd9Sstevel@tonic-gate for (w = (uint16_t *)dev_addr; 69847c478bd9Sstevel@tonic-gate bytecount != 0; bytecount -= 2, w += dev_advcnt) 69857c478bd9Sstevel@tonic-gate ddi_put16(handle, w, 0); 69867c478bd9Sstevel@tonic-gate break; 69877c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 69887c478bd9Sstevel@tonic-gate for (l = (uint32_t *)dev_addr; 69897c478bd9Sstevel@tonic-gate bytecount != 0; bytecount -= 4, l += dev_advcnt) 69907c478bd9Sstevel@tonic-gate ddi_put32(handle, l, 0); 69917c478bd9Sstevel@tonic-gate break; 69927c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 69937c478bd9Sstevel@tonic-gate for (ll = (uint64_t *)dev_addr; 69947c478bd9Sstevel@tonic-gate bytecount != 0; bytecount -= 8, ll += dev_advcnt) 69957c478bd9Sstevel@tonic-gate ddi_put64(handle, ll, 0x0ll); 69967c478bd9Sstevel@tonic-gate break; 69977c478bd9Sstevel@tonic-gate default: 69987c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 69997c478bd9Sstevel@tonic-gate } 70007c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 70017c478bd9Sstevel@tonic-gate } 70027c478bd9Sstevel@tonic-gate 70037c478bd9Sstevel@tonic-gate int 70047c478bd9Sstevel@tonic-gate ddi_device_copy( 70057c478bd9Sstevel@tonic-gate ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 70067c478bd9Sstevel@tonic-gate ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 70077c478bd9Sstevel@tonic-gate size_t bytecount, uint_t dev_datasz) 70087c478bd9Sstevel@tonic-gate { 70097c478bd9Sstevel@tonic-gate uint8_t *b_src, *b_dst; 70107c478bd9Sstevel@tonic-gate uint16_t *w_src, *w_dst; 70117c478bd9Sstevel@tonic-gate uint32_t *l_src, *l_dst; 70127c478bd9Sstevel@tonic-gate uint64_t *ll_src, *ll_dst; 70137c478bd9Sstevel@tonic-gate 70147c478bd9Sstevel@tonic-gate /* check for total byte count is multiple of data transfer size */ 70157c478bd9Sstevel@tonic-gate if (bytecount != ((bytecount / dev_datasz) * dev_datasz)) 70167c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 70177c478bd9Sstevel@tonic-gate 70187c478bd9Sstevel@tonic-gate switch (dev_datasz) { 70197c478bd9Sstevel@tonic-gate case DDI_DATA_SZ01_ACC: 70207c478bd9Sstevel@tonic-gate b_src = (uint8_t *)src_addr; 70217c478bd9Sstevel@tonic-gate b_dst = (uint8_t *)dest_addr; 70227c478bd9Sstevel@tonic-gate 70237c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 1) { 70247c478bd9Sstevel@tonic-gate ddi_put8(dest_handle, b_dst, 70257c478bd9Sstevel@tonic-gate ddi_get8(src_handle, b_src)); 70267c478bd9Sstevel@tonic-gate b_dst += dest_advcnt; 70277c478bd9Sstevel@tonic-gate b_src += src_advcnt; 70287c478bd9Sstevel@tonic-gate } 70297c478bd9Sstevel@tonic-gate break; 70307c478bd9Sstevel@tonic-gate case DDI_DATA_SZ02_ACC: 70317c478bd9Sstevel@tonic-gate w_src = (uint16_t *)src_addr; 70327c478bd9Sstevel@tonic-gate w_dst = (uint16_t *)dest_addr; 70337c478bd9Sstevel@tonic-gate 70347c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 2) { 70357c478bd9Sstevel@tonic-gate ddi_put16(dest_handle, w_dst, 70367c478bd9Sstevel@tonic-gate ddi_get16(src_handle, w_src)); 70377c478bd9Sstevel@tonic-gate w_dst += dest_advcnt; 70387c478bd9Sstevel@tonic-gate w_src += src_advcnt; 70397c478bd9Sstevel@tonic-gate } 70407c478bd9Sstevel@tonic-gate break; 70417c478bd9Sstevel@tonic-gate case DDI_DATA_SZ04_ACC: 70427c478bd9Sstevel@tonic-gate l_src = (uint32_t *)src_addr; 70437c478bd9Sstevel@tonic-gate l_dst = (uint32_t *)dest_addr; 70447c478bd9Sstevel@tonic-gate 70457c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 4) { 70467c478bd9Sstevel@tonic-gate ddi_put32(dest_handle, l_dst, 70477c478bd9Sstevel@tonic-gate ddi_get32(src_handle, l_src)); 70487c478bd9Sstevel@tonic-gate l_dst += dest_advcnt; 70497c478bd9Sstevel@tonic-gate l_src += src_advcnt; 70507c478bd9Sstevel@tonic-gate } 70517c478bd9Sstevel@tonic-gate break; 70527c478bd9Sstevel@tonic-gate case DDI_DATA_SZ08_ACC: 70537c478bd9Sstevel@tonic-gate ll_src = (uint64_t *)src_addr; 70547c478bd9Sstevel@tonic-gate ll_dst = (uint64_t *)dest_addr; 70557c478bd9Sstevel@tonic-gate 70567c478bd9Sstevel@tonic-gate for (; bytecount != 0; bytecount -= 8) { 70577c478bd9Sstevel@tonic-gate ddi_put64(dest_handle, ll_dst, 70587c478bd9Sstevel@tonic-gate ddi_get64(src_handle, ll_src)); 70597c478bd9Sstevel@tonic-gate ll_dst += dest_advcnt; 70607c478bd9Sstevel@tonic-gate ll_src += src_advcnt; 70617c478bd9Sstevel@tonic-gate } 70627c478bd9Sstevel@tonic-gate break; 70637c478bd9Sstevel@tonic-gate default: 70647c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 70657c478bd9Sstevel@tonic-gate } 70667c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 70677c478bd9Sstevel@tonic-gate } 70687c478bd9Sstevel@tonic-gate 70697c478bd9Sstevel@tonic-gate #define swap16(value) \ 70707c478bd9Sstevel@tonic-gate ((((value) & 0xff) << 8) | ((value) >> 8)) 70717c478bd9Sstevel@tonic-gate 70727c478bd9Sstevel@tonic-gate #define swap32(value) \ 70737c478bd9Sstevel@tonic-gate (((uint32_t)swap16((uint16_t)((value) & 0xffff)) << 16) | \ 70747c478bd9Sstevel@tonic-gate (uint32_t)swap16((uint16_t)((value) >> 16))) 70757c478bd9Sstevel@tonic-gate 70767c478bd9Sstevel@tonic-gate #define swap64(value) \ 70777c478bd9Sstevel@tonic-gate (((uint64_t)swap32((uint32_t)((value) & 0xffffffff)) \ 70787c478bd9Sstevel@tonic-gate << 32) | \ 70797c478bd9Sstevel@tonic-gate (uint64_t)swap32((uint32_t)((value) >> 32))) 70807c478bd9Sstevel@tonic-gate 70817c478bd9Sstevel@tonic-gate uint16_t 70827c478bd9Sstevel@tonic-gate ddi_swap16(uint16_t value) 70837c478bd9Sstevel@tonic-gate { 70847c478bd9Sstevel@tonic-gate return (swap16(value)); 70857c478bd9Sstevel@tonic-gate } 70867c478bd9Sstevel@tonic-gate 70877c478bd9Sstevel@tonic-gate uint32_t 70887c478bd9Sstevel@tonic-gate ddi_swap32(uint32_t value) 70897c478bd9Sstevel@tonic-gate { 70907c478bd9Sstevel@tonic-gate return (swap32(value)); 70917c478bd9Sstevel@tonic-gate } 70927c478bd9Sstevel@tonic-gate 70937c478bd9Sstevel@tonic-gate uint64_t 70947c478bd9Sstevel@tonic-gate ddi_swap64(uint64_t value) 70957c478bd9Sstevel@tonic-gate { 70967c478bd9Sstevel@tonic-gate return (swap64(value)); 70977c478bd9Sstevel@tonic-gate } 70987c478bd9Sstevel@tonic-gate 70997c478bd9Sstevel@tonic-gate /* 71007c478bd9Sstevel@tonic-gate * Convert a binding name to a driver name. 71017c478bd9Sstevel@tonic-gate * A binding name is the name used to determine the driver for a 71027c478bd9Sstevel@tonic-gate * device - it may be either an alias for the driver or the name 71037c478bd9Sstevel@tonic-gate * of the driver itself. 71047c478bd9Sstevel@tonic-gate */ 71057c478bd9Sstevel@tonic-gate char * 71067c478bd9Sstevel@tonic-gate i_binding_to_drv_name(char *bname) 71077c478bd9Sstevel@tonic-gate { 71087c478bd9Sstevel@tonic-gate major_t major_no; 71097c478bd9Sstevel@tonic-gate 71107c478bd9Sstevel@tonic-gate ASSERT(bname != NULL); 71117c478bd9Sstevel@tonic-gate 71127c478bd9Sstevel@tonic-gate if ((major_no = ddi_name_to_major(bname)) == -1) 71137c478bd9Sstevel@tonic-gate return (NULL); 71147c478bd9Sstevel@tonic-gate return (ddi_major_to_name(major_no)); 71157c478bd9Sstevel@tonic-gate } 71167c478bd9Sstevel@tonic-gate 71177c478bd9Sstevel@tonic-gate /* 71187c478bd9Sstevel@tonic-gate * Search for minor name that has specified dev_t and spec_type. 71197c478bd9Sstevel@tonic-gate * If spec_type is zero then any dev_t match works. Since we 71207c478bd9Sstevel@tonic-gate * are returning a pointer to the minor name string, we require the 71217c478bd9Sstevel@tonic-gate * caller to do the locking. 71227c478bd9Sstevel@tonic-gate */ 71237c478bd9Sstevel@tonic-gate char * 71247c478bd9Sstevel@tonic-gate i_ddi_devtspectype_to_minorname(dev_info_t *dip, dev_t dev, int spec_type) 71257c478bd9Sstevel@tonic-gate { 71267c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 71277c478bd9Sstevel@tonic-gate 71287c478bd9Sstevel@tonic-gate /* 71297c478bd9Sstevel@tonic-gate * The did layered driver currently intentionally returns a 71307c478bd9Sstevel@tonic-gate * devinfo ptr for an underlying sd instance based on a did 71317c478bd9Sstevel@tonic-gate * dev_t. In this case it is not an error. 71327c478bd9Sstevel@tonic-gate * 71337c478bd9Sstevel@tonic-gate * The did layered driver is associated with Sun Cluster. 71347c478bd9Sstevel@tonic-gate */ 71357c478bd9Sstevel@tonic-gate ASSERT((ddi_driver_major(dip) == getmajor(dev)) || 71367c478bd9Sstevel@tonic-gate (strcmp(ddi_major_to_name(getmajor(dev)), "did") == 0)); 71377c478bd9Sstevel@tonic-gate ASSERT(MUTEX_HELD(&(DEVI(dip)->devi_lock))); 71387c478bd9Sstevel@tonic-gate 71397c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 71407c478bd9Sstevel@tonic-gate if (((dmdp->type == DDM_MINOR) || 71417c478bd9Sstevel@tonic-gate (dmdp->type == DDM_INTERNAL_PATH) || 71427c478bd9Sstevel@tonic-gate (dmdp->type == DDM_DEFAULT)) && 71437c478bd9Sstevel@tonic-gate (dmdp->ddm_dev == dev) && 71447c478bd9Sstevel@tonic-gate ((((spec_type & (S_IFCHR|S_IFBLK))) == 0) || 71457c478bd9Sstevel@tonic-gate (dmdp->ddm_spec_type == spec_type))) 71467c478bd9Sstevel@tonic-gate return (dmdp->ddm_name); 71477c478bd9Sstevel@tonic-gate } 71487c478bd9Sstevel@tonic-gate 71497c478bd9Sstevel@tonic-gate return (NULL); 71507c478bd9Sstevel@tonic-gate } 71517c478bd9Sstevel@tonic-gate 71527c478bd9Sstevel@tonic-gate /* 71537c478bd9Sstevel@tonic-gate * Find the devt and spectype of the specified minor_name. 71547c478bd9Sstevel@tonic-gate * Return DDI_FAILURE if minor_name not found. Since we are 71557c478bd9Sstevel@tonic-gate * returning everything via arguments we can do the locking. 71567c478bd9Sstevel@tonic-gate */ 71577c478bd9Sstevel@tonic-gate int 71587c478bd9Sstevel@tonic-gate i_ddi_minorname_to_devtspectype(dev_info_t *dip, char *minor_name, 71597c478bd9Sstevel@tonic-gate dev_t *devtp, int *spectypep) 71607c478bd9Sstevel@tonic-gate { 71617c478bd9Sstevel@tonic-gate struct ddi_minor_data *dmdp; 71627c478bd9Sstevel@tonic-gate 71637c478bd9Sstevel@tonic-gate /* deal with clone minor nodes */ 71647c478bd9Sstevel@tonic-gate if (dip == clone_dip) { 71657c478bd9Sstevel@tonic-gate major_t major; 71667c478bd9Sstevel@tonic-gate /* 71677c478bd9Sstevel@tonic-gate * Make sure minor_name is a STREAMS driver. 71687c478bd9Sstevel@tonic-gate * We load the driver but don't attach to any instances. 71697c478bd9Sstevel@tonic-gate */ 71707c478bd9Sstevel@tonic-gate 71717c478bd9Sstevel@tonic-gate major = ddi_name_to_major(minor_name); 71727c478bd9Sstevel@tonic-gate if (major == (major_t)-1) 71737c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 71747c478bd9Sstevel@tonic-gate 71757c478bd9Sstevel@tonic-gate if (ddi_hold_driver(major) == NULL) 71767c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 71777c478bd9Sstevel@tonic-gate 71787c478bd9Sstevel@tonic-gate if (STREAMSTAB(major) == NULL) { 71797c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 71807c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 71817c478bd9Sstevel@tonic-gate } 71827c478bd9Sstevel@tonic-gate ddi_rele_driver(major); 71837c478bd9Sstevel@tonic-gate 71847c478bd9Sstevel@tonic-gate if (devtp) 71857c478bd9Sstevel@tonic-gate *devtp = makedevice(clone_major, (minor_t)major); 71867c478bd9Sstevel@tonic-gate 71877c478bd9Sstevel@tonic-gate if (spectypep) 71887c478bd9Sstevel@tonic-gate *spectypep = S_IFCHR; 71897c478bd9Sstevel@tonic-gate 71907c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 71917c478bd9Sstevel@tonic-gate } 71927c478bd9Sstevel@tonic-gate 71937c478bd9Sstevel@tonic-gate ASSERT(!MUTEX_HELD(&(DEVI(dip)->devi_lock))); 71947c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 71957c478bd9Sstevel@tonic-gate 71967c478bd9Sstevel@tonic-gate for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) { 71977c478bd9Sstevel@tonic-gate if (((dmdp->type != DDM_MINOR) && 71987c478bd9Sstevel@tonic-gate (dmdp->type != DDM_INTERNAL_PATH) && 71997c478bd9Sstevel@tonic-gate (dmdp->type != DDM_DEFAULT)) || 72007c478bd9Sstevel@tonic-gate strcmp(minor_name, dmdp->ddm_name)) 72017c478bd9Sstevel@tonic-gate continue; 72027c478bd9Sstevel@tonic-gate 72037c478bd9Sstevel@tonic-gate if (devtp) 72047c478bd9Sstevel@tonic-gate *devtp = dmdp->ddm_dev; 72057c478bd9Sstevel@tonic-gate 72067c478bd9Sstevel@tonic-gate if (spectypep) 72077c478bd9Sstevel@tonic-gate *spectypep = dmdp->ddm_spec_type; 72087c478bd9Sstevel@tonic-gate 72097c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 72107c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 72117c478bd9Sstevel@tonic-gate } 72127c478bd9Sstevel@tonic-gate 72137c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 72147c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 72157c478bd9Sstevel@tonic-gate } 72167c478bd9Sstevel@tonic-gate 72177c478bd9Sstevel@tonic-gate extern char hw_serial[]; 72187c478bd9Sstevel@tonic-gate static kmutex_t devid_gen_mutex; 72197c478bd9Sstevel@tonic-gate static short devid_gen_number; 72207c478bd9Sstevel@tonic-gate 72217c478bd9Sstevel@tonic-gate #ifdef DEBUG 72227c478bd9Sstevel@tonic-gate 72237c478bd9Sstevel@tonic-gate static int devid_register_corrupt = 0; 72247c478bd9Sstevel@tonic-gate static int devid_register_corrupt_major = 0; 72257c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint = 0; 72267c478bd9Sstevel@tonic-gate static int devid_register_corrupt_hint_major = 0; 72277c478bd9Sstevel@tonic-gate 72287c478bd9Sstevel@tonic-gate static int devid_lyr_debug = 0; 72297c478bd9Sstevel@tonic-gate 72307c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) \ 72317c478bd9Sstevel@tonic-gate if (devid_lyr_debug) \ 72327c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(msg, ndevs, devs) 72337c478bd9Sstevel@tonic-gate 72347c478bd9Sstevel@tonic-gate #else 72357c478bd9Sstevel@tonic-gate 72367c478bd9Sstevel@tonic-gate #define DDI_DEBUG_DEVID_DEVTS(msg, ndevs, devs) 72377c478bd9Sstevel@tonic-gate 72387c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 72397c478bd9Sstevel@tonic-gate 72407c478bd9Sstevel@tonic-gate 72417c478bd9Sstevel@tonic-gate #ifdef DEBUG 72427c478bd9Sstevel@tonic-gate 72437c478bd9Sstevel@tonic-gate static void 72447c478bd9Sstevel@tonic-gate ddi_debug_devid_devts(char *msg, int ndevs, dev_t *devs) 72457c478bd9Sstevel@tonic-gate { 72467c478bd9Sstevel@tonic-gate int i; 72477c478bd9Sstevel@tonic-gate 72487c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 72497c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 72507c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 72517c478bd9Sstevel@tonic-gate } 72527c478bd9Sstevel@tonic-gate } 72537c478bd9Sstevel@tonic-gate 72547c478bd9Sstevel@tonic-gate static void 72557c478bd9Sstevel@tonic-gate ddi_debug_devid_paths(char *msg, int npaths, char **paths) 72567c478bd9Sstevel@tonic-gate { 72577c478bd9Sstevel@tonic-gate int i; 72587c478bd9Sstevel@tonic-gate 72597c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "%s:\n", msg); 72607c478bd9Sstevel@tonic-gate for (i = 0; i < npaths; i++) { 72617c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " %s\n", paths[i]); 72627c478bd9Sstevel@tonic-gate } 72637c478bd9Sstevel@tonic-gate } 72647c478bd9Sstevel@tonic-gate 72657c478bd9Sstevel@tonic-gate static void 72667c478bd9Sstevel@tonic-gate ddi_debug_devid_devts_per_path(char *path, int ndevs, dev_t *devs) 72677c478bd9Sstevel@tonic-gate { 72687c478bd9Sstevel@tonic-gate int i; 72697c478bd9Sstevel@tonic-gate 72707c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "dev_ts per path %s\n", path); 72717c478bd9Sstevel@tonic-gate for (i = 0; i < ndevs; i++) { 72727c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, " 0x%lx\n", devs[i]); 72737c478bd9Sstevel@tonic-gate } 72747c478bd9Sstevel@tonic-gate } 72757c478bd9Sstevel@tonic-gate 72767c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 72777c478bd9Sstevel@tonic-gate 72787c478bd9Sstevel@tonic-gate /* 72797c478bd9Sstevel@tonic-gate * Register device id into DDI framework. 72807c478bd9Sstevel@tonic-gate * Must be called when device is attached. 72817c478bd9Sstevel@tonic-gate */ 72827c478bd9Sstevel@tonic-gate static int 72837c478bd9Sstevel@tonic-gate i_ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 72847c478bd9Sstevel@tonic-gate { 72857c478bd9Sstevel@tonic-gate impl_devid_t *i_devid = (impl_devid_t *)devid; 72867c478bd9Sstevel@tonic-gate size_t driver_len; 72877c478bd9Sstevel@tonic-gate const char *driver_name; 72887c478bd9Sstevel@tonic-gate char *devid_str; 72897c478bd9Sstevel@tonic-gate major_t major; 72907c478bd9Sstevel@tonic-gate 72917c478bd9Sstevel@tonic-gate if ((dip == NULL) || 72927c478bd9Sstevel@tonic-gate ((major = ddi_driver_major(dip)) == (major_t)-1)) 72937c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 72947c478bd9Sstevel@tonic-gate 72957c478bd9Sstevel@tonic-gate /* verify that the devid is valid */ 72967c478bd9Sstevel@tonic-gate if (ddi_devid_valid(devid) != DDI_SUCCESS) 72977c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 72987c478bd9Sstevel@tonic-gate 72997c478bd9Sstevel@tonic-gate /* Updating driver name hint in devid */ 73007c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 73017c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 73027c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 73037c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 73047c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 73057c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 73067c478bd9Sstevel@tonic-gate } 73077c478bd9Sstevel@tonic-gate bzero(i_devid->did_driver, DEVID_HINT_SIZE); 73087c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 73097c478bd9Sstevel@tonic-gate 73107c478bd9Sstevel@tonic-gate #ifdef DEBUG 73117c478bd9Sstevel@tonic-gate /* Corrupt the devid for testing. */ 73127c478bd9Sstevel@tonic-gate if (devid_register_corrupt) 73137c478bd9Sstevel@tonic-gate i_devid->did_id[0] += devid_register_corrupt; 73147c478bd9Sstevel@tonic-gate if (devid_register_corrupt_major && 73157c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_major)) 73167c478bd9Sstevel@tonic-gate i_devid->did_id[0] += 1; 73177c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint) 73187c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += devid_register_corrupt_hint; 73197c478bd9Sstevel@tonic-gate if (devid_register_corrupt_hint_major && 73207c478bd9Sstevel@tonic-gate (major == devid_register_corrupt_hint_major)) 73217c478bd9Sstevel@tonic-gate i_devid->did_driver[0] += 1; 73227c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 73237c478bd9Sstevel@tonic-gate 73247c478bd9Sstevel@tonic-gate /* encode the devid as a string */ 73257c478bd9Sstevel@tonic-gate if ((devid_str = ddi_devid_str_encode(devid, NULL)) == NULL) 73267c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 73277c478bd9Sstevel@tonic-gate 73287c478bd9Sstevel@tonic-gate /* add string as a string property */ 73297c478bd9Sstevel@tonic-gate if (ndi_prop_update_string(DDI_DEV_T_NONE, dip, 73307c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, devid_str) != DDI_SUCCESS) { 73317c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: devid property update failed", 73327c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 73337c478bd9Sstevel@tonic-gate ddi_devid_str_free(devid_str); 73347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 73357c478bd9Sstevel@tonic-gate } 73367c478bd9Sstevel@tonic-gate 73377c478bd9Sstevel@tonic-gate ddi_devid_str_free(devid_str); 73387c478bd9Sstevel@tonic-gate 73397c478bd9Sstevel@tonic-gate #ifdef DEVID_COMPATIBILITY 73407c478bd9Sstevel@tonic-gate /* 73417c478bd9Sstevel@tonic-gate * marker for devinfo snapshot compatibility. 73427c478bd9Sstevel@tonic-gate * This code gets deleted when di_devid is gone from libdevid 73437c478bd9Sstevel@tonic-gate */ 73447c478bd9Sstevel@tonic-gate DEVI(dip)->devi_devid = DEVID_COMPATIBILITY; 73457c478bd9Sstevel@tonic-gate #endif /* DEVID_COMPATIBILITY */ 73467c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 73477c478bd9Sstevel@tonic-gate } 73487c478bd9Sstevel@tonic-gate 73497c478bd9Sstevel@tonic-gate int 73507c478bd9Sstevel@tonic-gate ddi_devid_register(dev_info_t *dip, ddi_devid_t devid) 73517c478bd9Sstevel@tonic-gate { 73527c478bd9Sstevel@tonic-gate int rval; 73537c478bd9Sstevel@tonic-gate 73547c478bd9Sstevel@tonic-gate rval = i_ddi_devid_register(dip, devid); 73557c478bd9Sstevel@tonic-gate if (rval == DDI_SUCCESS) { 73567c478bd9Sstevel@tonic-gate /* 73577c478bd9Sstevel@tonic-gate * Register devid in devid-to-path cache 73587c478bd9Sstevel@tonic-gate */ 73597c478bd9Sstevel@tonic-gate if (e_devid_cache_register(dip, devid) == DDI_SUCCESS) { 73607c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 73617c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags |= DEVI_REGISTERED_DEVID; 73627c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 73637c478bd9Sstevel@tonic-gate } else { 73647c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to cache devid", 73657c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 73667c478bd9Sstevel@tonic-gate } 73677c478bd9Sstevel@tonic-gate } else { 73687c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "%s%d: failed to register devid", 73697c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ddi_get_instance(dip)); 73707c478bd9Sstevel@tonic-gate } 73717c478bd9Sstevel@tonic-gate return (rval); 73727c478bd9Sstevel@tonic-gate } 73737c478bd9Sstevel@tonic-gate 73747c478bd9Sstevel@tonic-gate /* 73757c478bd9Sstevel@tonic-gate * Remove (unregister) device id from DDI framework. 73767c478bd9Sstevel@tonic-gate * Must be called when device is detached. 73777c478bd9Sstevel@tonic-gate */ 73787c478bd9Sstevel@tonic-gate static void 73797c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dev_info_t *dip) 73807c478bd9Sstevel@tonic-gate { 73817c478bd9Sstevel@tonic-gate #ifdef DEVID_COMPATIBILITY 73827c478bd9Sstevel@tonic-gate /* 73837c478bd9Sstevel@tonic-gate * marker for micro release devinfo snapshot compatibility. 73847c478bd9Sstevel@tonic-gate * This code gets deleted for the minor release. 73857c478bd9Sstevel@tonic-gate */ 73867c478bd9Sstevel@tonic-gate DEVI(dip)->devi_devid = NULL; /* unset DEVID_PROP */ 73877c478bd9Sstevel@tonic-gate #endif /* DEVID_COMPATIBILITY */ 73887c478bd9Sstevel@tonic-gate 73897c478bd9Sstevel@tonic-gate /* remove the devid property */ 73907c478bd9Sstevel@tonic-gate (void) ndi_prop_remove(DDI_DEV_T_NONE, dip, DEVID_PROP_NAME); 73917c478bd9Sstevel@tonic-gate } 73927c478bd9Sstevel@tonic-gate 73937c478bd9Sstevel@tonic-gate void 73947c478bd9Sstevel@tonic-gate ddi_devid_unregister(dev_info_t *dip) 73957c478bd9Sstevel@tonic-gate { 73967c478bd9Sstevel@tonic-gate mutex_enter(&DEVI(dip)->devi_lock); 73977c478bd9Sstevel@tonic-gate DEVI(dip)->devi_flags &= ~DEVI_REGISTERED_DEVID; 73987c478bd9Sstevel@tonic-gate mutex_exit(&DEVI(dip)->devi_lock); 73997c478bd9Sstevel@tonic-gate e_devid_cache_unregister(dip); 74007c478bd9Sstevel@tonic-gate i_ddi_devid_unregister(dip); 74017c478bd9Sstevel@tonic-gate } 74027c478bd9Sstevel@tonic-gate 74037c478bd9Sstevel@tonic-gate /* 74047c478bd9Sstevel@tonic-gate * Allocate and initialize a device id. 74057c478bd9Sstevel@tonic-gate */ 74067c478bd9Sstevel@tonic-gate int 74077c478bd9Sstevel@tonic-gate ddi_devid_init( 74087c478bd9Sstevel@tonic-gate dev_info_t *dip, 74097c478bd9Sstevel@tonic-gate ushort_t devid_type, 74107c478bd9Sstevel@tonic-gate ushort_t nbytes, 74117c478bd9Sstevel@tonic-gate void *id, 74127c478bd9Sstevel@tonic-gate ddi_devid_t *ret_devid) 74137c478bd9Sstevel@tonic-gate { 74147c478bd9Sstevel@tonic-gate impl_devid_t *i_devid; 74157c478bd9Sstevel@tonic-gate int sz = sizeof (*i_devid) + nbytes - sizeof (char); 74167c478bd9Sstevel@tonic-gate int driver_len; 74177c478bd9Sstevel@tonic-gate const char *driver_name; 74187c478bd9Sstevel@tonic-gate 74197c478bd9Sstevel@tonic-gate switch (devid_type) { 74207c478bd9Sstevel@tonic-gate case DEVID_SCSI3_WWN: 74217c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 74227c478bd9Sstevel@tonic-gate case DEVID_SCSI_SERIAL: 74237c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 74247c478bd9Sstevel@tonic-gate case DEVID_ATA_SERIAL: 74257c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 74267c478bd9Sstevel@tonic-gate case DEVID_ENCAP: 74277c478bd9Sstevel@tonic-gate if (nbytes == 0) 74287c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74297c478bd9Sstevel@tonic-gate if (id == NULL) 74307c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74317c478bd9Sstevel@tonic-gate break; 74327c478bd9Sstevel@tonic-gate case DEVID_FAB: 74337c478bd9Sstevel@tonic-gate if (nbytes != 0) 74347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74357c478bd9Sstevel@tonic-gate if (id != NULL) 74367c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74377c478bd9Sstevel@tonic-gate nbytes = sizeof (int) + 74387c478bd9Sstevel@tonic-gate sizeof (struct timeval32) + sizeof (short); 74397c478bd9Sstevel@tonic-gate sz += nbytes; 74407c478bd9Sstevel@tonic-gate break; 74417c478bd9Sstevel@tonic-gate default: 74427c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74437c478bd9Sstevel@tonic-gate } 74447c478bd9Sstevel@tonic-gate 74457c478bd9Sstevel@tonic-gate if ((i_devid = kmem_zalloc(sz, KM_SLEEP)) == NULL) 74467c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 74477c478bd9Sstevel@tonic-gate 74487c478bd9Sstevel@tonic-gate i_devid->did_magic_hi = DEVID_MAGIC_MSB; 74497c478bd9Sstevel@tonic-gate i_devid->did_magic_lo = DEVID_MAGIC_LSB; 74507c478bd9Sstevel@tonic-gate i_devid->did_rev_hi = DEVID_REV_MSB; 74517c478bd9Sstevel@tonic-gate i_devid->did_rev_lo = DEVID_REV_LSB; 74527c478bd9Sstevel@tonic-gate DEVID_FORMTYPE(i_devid, devid_type); 74537c478bd9Sstevel@tonic-gate DEVID_FORMLEN(i_devid, nbytes); 74547c478bd9Sstevel@tonic-gate 74557c478bd9Sstevel@tonic-gate /* Fill in driver name hint */ 74567c478bd9Sstevel@tonic-gate driver_name = ddi_driver_name(dip); 74577c478bd9Sstevel@tonic-gate driver_len = strlen(driver_name); 74587c478bd9Sstevel@tonic-gate if (driver_len > DEVID_HINT_SIZE) { 74597c478bd9Sstevel@tonic-gate /* Pick up last four characters of driver name */ 74607c478bd9Sstevel@tonic-gate driver_name += driver_len - DEVID_HINT_SIZE; 74617c478bd9Sstevel@tonic-gate driver_len = DEVID_HINT_SIZE; 74627c478bd9Sstevel@tonic-gate } 74637c478bd9Sstevel@tonic-gate 74647c478bd9Sstevel@tonic-gate bcopy(driver_name, i_devid->did_driver, driver_len); 74657c478bd9Sstevel@tonic-gate 74667c478bd9Sstevel@tonic-gate /* Fill in id field */ 74677c478bd9Sstevel@tonic-gate if (devid_type == DEVID_FAB) { 74687c478bd9Sstevel@tonic-gate char *cp; 74697c478bd9Sstevel@tonic-gate int hostid; 74707c478bd9Sstevel@tonic-gate char *hostid_cp = &hw_serial[0]; 74717c478bd9Sstevel@tonic-gate struct timeval32 timestamp32; 74727c478bd9Sstevel@tonic-gate int i; 74737c478bd9Sstevel@tonic-gate int *ip; 74747c478bd9Sstevel@tonic-gate short gen; 74757c478bd9Sstevel@tonic-gate 74767c478bd9Sstevel@tonic-gate /* increase the generation number */ 74777c478bd9Sstevel@tonic-gate mutex_enter(&devid_gen_mutex); 74787c478bd9Sstevel@tonic-gate gen = devid_gen_number++; 74797c478bd9Sstevel@tonic-gate mutex_exit(&devid_gen_mutex); 74807c478bd9Sstevel@tonic-gate 74817c478bd9Sstevel@tonic-gate cp = i_devid->did_id; 74827c478bd9Sstevel@tonic-gate 74837c478bd9Sstevel@tonic-gate /* Fill in host id (big-endian byte ordering) */ 74847c478bd9Sstevel@tonic-gate hostid = stoi(&hostid_cp); 74857c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(hostid)); 74867c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(hostid)); 74877c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(hostid)); 74887c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(hostid)); 74897c478bd9Sstevel@tonic-gate 74907c478bd9Sstevel@tonic-gate /* 74917c478bd9Sstevel@tonic-gate * Fill in timestamp (big-endian byte ordering) 74927c478bd9Sstevel@tonic-gate * 74937c478bd9Sstevel@tonic-gate * (Note that the format may have to be changed 74947c478bd9Sstevel@tonic-gate * before 2038 comes around, though it's arguably 74957c478bd9Sstevel@tonic-gate * unique enough as it is..) 74967c478bd9Sstevel@tonic-gate */ 74977c478bd9Sstevel@tonic-gate uniqtime32(×tamp32); 74987c478bd9Sstevel@tonic-gate ip = (int *)×tamp32; 74997c478bd9Sstevel@tonic-gate for (i = 0; 75007c478bd9Sstevel@tonic-gate i < sizeof (timestamp32) / sizeof (int); i++, ip++) { 75017c478bd9Sstevel@tonic-gate int val; 75027c478bd9Sstevel@tonic-gate val = *ip; 75037c478bd9Sstevel@tonic-gate *cp++ = hibyte(hiword(val)); 75047c478bd9Sstevel@tonic-gate *cp++ = lobyte(hiword(val)); 75057c478bd9Sstevel@tonic-gate *cp++ = hibyte(loword(val)); 75067c478bd9Sstevel@tonic-gate *cp++ = lobyte(loword(val)); 75077c478bd9Sstevel@tonic-gate } 75087c478bd9Sstevel@tonic-gate 75097c478bd9Sstevel@tonic-gate /* fill in the generation number */ 75107c478bd9Sstevel@tonic-gate *cp++ = hibyte(gen); 75117c478bd9Sstevel@tonic-gate *cp++ = lobyte(gen); 75127c478bd9Sstevel@tonic-gate } else 75137c478bd9Sstevel@tonic-gate bcopy(id, i_devid->did_id, nbytes); 75147c478bd9Sstevel@tonic-gate 75157c478bd9Sstevel@tonic-gate /* return device id */ 75167c478bd9Sstevel@tonic-gate *ret_devid = (ddi_devid_t)i_devid; 75177c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 75187c478bd9Sstevel@tonic-gate } 75197c478bd9Sstevel@tonic-gate 75207c478bd9Sstevel@tonic-gate int 75217c478bd9Sstevel@tonic-gate i_ddi_devi_get_devid(dev_t dev, dev_info_t *dip, ddi_devid_t *ret_devid) 75227c478bd9Sstevel@tonic-gate { 75237c478bd9Sstevel@tonic-gate char *devidstr; 75247c478bd9Sstevel@tonic-gate 75257c478bd9Sstevel@tonic-gate ASSERT(dev != DDI_DEV_T_NONE); 75267c478bd9Sstevel@tonic-gate 75277c478bd9Sstevel@tonic-gate /* look up the property, devt specific first */ 75287c478bd9Sstevel@tonic-gate if (ddi_prop_lookup_string(dev, dip, DDI_PROP_DONTPASS, 75297c478bd9Sstevel@tonic-gate DEVID_PROP_NAME, &devidstr) != DDI_PROP_SUCCESS) { 75307c478bd9Sstevel@tonic-gate if ((dev == DDI_DEV_T_ANY) || 75317c478bd9Sstevel@tonic-gate (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 75327c478bd9Sstevel@tonic-gate DDI_PROP_DONTPASS, DEVID_PROP_NAME, &devidstr) != 75337c478bd9Sstevel@tonic-gate DDI_PROP_SUCCESS)) { 75347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75357c478bd9Sstevel@tonic-gate } 75367c478bd9Sstevel@tonic-gate } 75377c478bd9Sstevel@tonic-gate 75387c478bd9Sstevel@tonic-gate /* convert to binary form */ 75397c478bd9Sstevel@tonic-gate if (ddi_devid_str_decode(devidstr, ret_devid, NULL) == -1) { 75407c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 75417c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75427c478bd9Sstevel@tonic-gate } 75437c478bd9Sstevel@tonic-gate ddi_prop_free(devidstr); 75447c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 75457c478bd9Sstevel@tonic-gate } 75467c478bd9Sstevel@tonic-gate 75477c478bd9Sstevel@tonic-gate /* 75487c478bd9Sstevel@tonic-gate * Return a copy of the device id for dev_t 75497c478bd9Sstevel@tonic-gate */ 75507c478bd9Sstevel@tonic-gate int 75517c478bd9Sstevel@tonic-gate ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid) 75527c478bd9Sstevel@tonic-gate { 75537c478bd9Sstevel@tonic-gate dev_info_t *dip; 75547c478bd9Sstevel@tonic-gate int rval; 75557c478bd9Sstevel@tonic-gate 75567c478bd9Sstevel@tonic-gate /* get the dip */ 75577c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 75587c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75597c478bd9Sstevel@tonic-gate 75607c478bd9Sstevel@tonic-gate rval = i_ddi_devi_get_devid(dev, dip, ret_devid); 75617c478bd9Sstevel@tonic-gate 75627c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 75637c478bd9Sstevel@tonic-gate return (rval); 75647c478bd9Sstevel@tonic-gate } 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate /* 75677c478bd9Sstevel@tonic-gate * Return a copy of the minor name for dev_t and spec_type 75687c478bd9Sstevel@tonic-gate */ 75697c478bd9Sstevel@tonic-gate int 75707c478bd9Sstevel@tonic-gate ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name) 75717c478bd9Sstevel@tonic-gate { 75727c478bd9Sstevel@tonic-gate dev_info_t *dip; 75737c478bd9Sstevel@tonic-gate char *nm; 75747c478bd9Sstevel@tonic-gate size_t alloc_sz, sz; 75757c478bd9Sstevel@tonic-gate 75767c478bd9Sstevel@tonic-gate if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL) 75777c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75787c478bd9Sstevel@tonic-gate 75797c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 75807c478bd9Sstevel@tonic-gate 75817c478bd9Sstevel@tonic-gate if ((nm = i_ddi_devtspectype_to_minorname(dip, 75827c478bd9Sstevel@tonic-gate dev, spec_type)) == NULL) { 75837c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 75847c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 75857c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 75867c478bd9Sstevel@tonic-gate } 75877c478bd9Sstevel@tonic-gate 75887c478bd9Sstevel@tonic-gate /* make a copy */ 75897c478bd9Sstevel@tonic-gate alloc_sz = strlen(nm) + 1; 75907c478bd9Sstevel@tonic-gate retry: 75917c478bd9Sstevel@tonic-gate /* drop lock to allocate memory */ 75927c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 75937c478bd9Sstevel@tonic-gate *minor_name = kmem_alloc(alloc_sz, KM_SLEEP); 75947c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 75957c478bd9Sstevel@tonic-gate 75967c478bd9Sstevel@tonic-gate /* re-check things, since we dropped the lock */ 75977c478bd9Sstevel@tonic-gate if ((nm = i_ddi_devtspectype_to_minorname(dip, 75987c478bd9Sstevel@tonic-gate dev, spec_type)) == NULL) { 75997c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 76007c478bd9Sstevel@tonic-gate kmem_free(*minor_name, alloc_sz); 76017c478bd9Sstevel@tonic-gate *minor_name = NULL; 76027c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 76037c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76047c478bd9Sstevel@tonic-gate } 76057c478bd9Sstevel@tonic-gate 76067c478bd9Sstevel@tonic-gate /* verify size is the same */ 76077c478bd9Sstevel@tonic-gate sz = strlen(nm) + 1; 76087c478bd9Sstevel@tonic-gate if (alloc_sz != sz) { 76097c478bd9Sstevel@tonic-gate kmem_free(*minor_name, alloc_sz); 76107c478bd9Sstevel@tonic-gate alloc_sz = sz; 76117c478bd9Sstevel@tonic-gate goto retry; 76127c478bd9Sstevel@tonic-gate } 76137c478bd9Sstevel@tonic-gate 76147c478bd9Sstevel@tonic-gate /* sz == alloc_sz - make a copy */ 76157c478bd9Sstevel@tonic-gate (void) strcpy(*minor_name, nm); 76167c478bd9Sstevel@tonic-gate 76177c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 76187c478bd9Sstevel@tonic-gate ddi_release_devi(dip); /* e_ddi_hold_devi_by_dev() */ 76197c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 76207c478bd9Sstevel@tonic-gate } 76217c478bd9Sstevel@tonic-gate 76227c478bd9Sstevel@tonic-gate int 76237c478bd9Sstevel@tonic-gate ddi_lyr_devid_to_devlist( 76247c478bd9Sstevel@tonic-gate ddi_devid_t devid, 76257c478bd9Sstevel@tonic-gate char *minor_name, 76267c478bd9Sstevel@tonic-gate int *retndevs, 76277c478bd9Sstevel@tonic-gate dev_t **retdevs) 76287c478bd9Sstevel@tonic-gate { 76297c478bd9Sstevel@tonic-gate ASSERT(ddi_devid_valid(devid) == DDI_SUCCESS); 76307c478bd9Sstevel@tonic-gate 76317c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 76327c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 76337c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 76347c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 76357c478bd9Sstevel@tonic-gate *retndevs, *retdevs); 76367c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 76377c478bd9Sstevel@tonic-gate } 76387c478bd9Sstevel@tonic-gate 76397c478bd9Sstevel@tonic-gate if (e_ddi_devid_discovery(devid) == DDI_FAILURE) { 76407c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76417c478bd9Sstevel@tonic-gate } 76427c478bd9Sstevel@tonic-gate 76437c478bd9Sstevel@tonic-gate if (e_devid_cache_to_devt_list(devid, minor_name, 76447c478bd9Sstevel@tonic-gate retndevs, retdevs) == DDI_SUCCESS) { 76457c478bd9Sstevel@tonic-gate ASSERT(*retndevs > 0); 76467c478bd9Sstevel@tonic-gate DDI_DEBUG_DEVID_DEVTS("ddi_lyr_devid_to_devlist", 76477c478bd9Sstevel@tonic-gate *retndevs, *retdevs); 76487c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 76497c478bd9Sstevel@tonic-gate } 76507c478bd9Sstevel@tonic-gate 76517c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76527c478bd9Sstevel@tonic-gate } 76537c478bd9Sstevel@tonic-gate 76547c478bd9Sstevel@tonic-gate void 76557c478bd9Sstevel@tonic-gate ddi_lyr_free_devlist(dev_t *devlist, int ndevs) 76567c478bd9Sstevel@tonic-gate { 76577c478bd9Sstevel@tonic-gate kmem_free(devlist, sizeof (dev_t) * ndevs); 76587c478bd9Sstevel@tonic-gate } 76597c478bd9Sstevel@tonic-gate 76607c478bd9Sstevel@tonic-gate /* 76617c478bd9Sstevel@tonic-gate * Note: This will need to be fixed if we ever allow processes to 76627c478bd9Sstevel@tonic-gate * have more than one data model per exec. 76637c478bd9Sstevel@tonic-gate */ 76647c478bd9Sstevel@tonic-gate model_t 76657c478bd9Sstevel@tonic-gate ddi_mmap_get_model(void) 76667c478bd9Sstevel@tonic-gate { 76677c478bd9Sstevel@tonic-gate return (get_udatamodel()); 76687c478bd9Sstevel@tonic-gate } 76697c478bd9Sstevel@tonic-gate 76707c478bd9Sstevel@tonic-gate model_t 76717c478bd9Sstevel@tonic-gate ddi_model_convert_from(model_t model) 76727c478bd9Sstevel@tonic-gate { 76737c478bd9Sstevel@tonic-gate return ((model & DDI_MODEL_MASK) & ~DDI_MODEL_NATIVE); 76747c478bd9Sstevel@tonic-gate } 76757c478bd9Sstevel@tonic-gate 76767c478bd9Sstevel@tonic-gate /* 76777c478bd9Sstevel@tonic-gate * ddi interfaces managing storage and retrieval of eventcookies. 76787c478bd9Sstevel@tonic-gate */ 76797c478bd9Sstevel@tonic-gate 76807c478bd9Sstevel@tonic-gate /* 76817c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 76827c478bd9Sstevel@tonic-gate * (*bus_remove_eventcall)() interface to remove a registered 76837c478bd9Sstevel@tonic-gate * callback handler for "event". 76847c478bd9Sstevel@tonic-gate */ 76857c478bd9Sstevel@tonic-gate int 76867c478bd9Sstevel@tonic-gate ddi_remove_event_handler(ddi_callback_id_t id) 76877c478bd9Sstevel@tonic-gate { 76887c478bd9Sstevel@tonic-gate ndi_event_callbacks_t *cb = (ndi_event_callbacks_t *)id; 76897c478bd9Sstevel@tonic-gate dev_info_t *ddip; 76907c478bd9Sstevel@tonic-gate 76917c478bd9Sstevel@tonic-gate ASSERT(cb); 76927c478bd9Sstevel@tonic-gate if (!cb) { 76937c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 76947c478bd9Sstevel@tonic-gate } 76957c478bd9Sstevel@tonic-gate 76967c478bd9Sstevel@tonic-gate ddip = NDI_EVENT_DDIP(cb->ndi_evtcb_cookie); 76977c478bd9Sstevel@tonic-gate return (ndi_busop_remove_eventcall(ddip, id)); 76987c478bd9Sstevel@tonic-gate } 76997c478bd9Sstevel@tonic-gate 77007c478bd9Sstevel@tonic-gate /* 77017c478bd9Sstevel@tonic-gate * Invoke bus nexus driver's implementation of the 77027c478bd9Sstevel@tonic-gate * (*bus_add_eventcall)() interface to register a callback handler 77037c478bd9Sstevel@tonic-gate * for "event". 77047c478bd9Sstevel@tonic-gate */ 77057c478bd9Sstevel@tonic-gate int 77067c478bd9Sstevel@tonic-gate ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 77077c478bd9Sstevel@tonic-gate void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 77087c478bd9Sstevel@tonic-gate void *arg, ddi_callback_id_t *id) 77097c478bd9Sstevel@tonic-gate { 77107c478bd9Sstevel@tonic-gate return (ndi_busop_add_eventcall(dip, dip, event, handler, arg, id)); 77117c478bd9Sstevel@tonic-gate } 77127c478bd9Sstevel@tonic-gate 77137c478bd9Sstevel@tonic-gate 77147c478bd9Sstevel@tonic-gate /* 77157c478bd9Sstevel@tonic-gate * Return a handle for event "name" by calling up the device tree 77167c478bd9Sstevel@tonic-gate * hierarchy via (*bus_get_eventcookie)() interface until claimed 77177c478bd9Sstevel@tonic-gate * by a bus nexus or top of dev_info tree is reached. 77187c478bd9Sstevel@tonic-gate */ 77197c478bd9Sstevel@tonic-gate int 77207c478bd9Sstevel@tonic-gate ddi_get_eventcookie(dev_info_t *dip, char *name, 77217c478bd9Sstevel@tonic-gate ddi_eventcookie_t *event_cookiep) 77227c478bd9Sstevel@tonic-gate { 77237c478bd9Sstevel@tonic-gate return (ndi_busop_get_eventcookie(dip, dip, 77247c478bd9Sstevel@tonic-gate name, event_cookiep)); 77257c478bd9Sstevel@tonic-gate } 77267c478bd9Sstevel@tonic-gate 77277c478bd9Sstevel@tonic-gate /* 77287c478bd9Sstevel@tonic-gate * single thread access to dev_info node and set state 77297c478bd9Sstevel@tonic-gate */ 77307c478bd9Sstevel@tonic-gate void 77317c478bd9Sstevel@tonic-gate i_devi_enter(dev_info_t *dip, uint_t s_mask, uint_t w_mask, int has_lock) 77327c478bd9Sstevel@tonic-gate { 77337c478bd9Sstevel@tonic-gate if (!has_lock) 77347c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 77357c478bd9Sstevel@tonic-gate 77367c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&(DEVI(dip)->devi_lock))); 77377c478bd9Sstevel@tonic-gate 77387c478bd9Sstevel@tonic-gate /* 77397c478bd9Sstevel@tonic-gate * wait until state(s) have been changed 77407c478bd9Sstevel@tonic-gate */ 77417c478bd9Sstevel@tonic-gate while ((DEVI(dip)->devi_state & w_mask) != 0) { 77427c478bd9Sstevel@tonic-gate cv_wait(&(DEVI(dip)->devi_cv), &(DEVI(dip)->devi_lock)); 77437c478bd9Sstevel@tonic-gate } 77447c478bd9Sstevel@tonic-gate DEVI(dip)->devi_state |= s_mask; 77457c478bd9Sstevel@tonic-gate 77467c478bd9Sstevel@tonic-gate if (!has_lock) 77477c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 77487c478bd9Sstevel@tonic-gate } 77497c478bd9Sstevel@tonic-gate 77507c478bd9Sstevel@tonic-gate void 77517c478bd9Sstevel@tonic-gate i_devi_exit(dev_info_t *dip, uint_t c_mask, int has_lock) 77527c478bd9Sstevel@tonic-gate { 77537c478bd9Sstevel@tonic-gate if (!has_lock) 77547c478bd9Sstevel@tonic-gate mutex_enter(&(DEVI(dip)->devi_lock)); 77557c478bd9Sstevel@tonic-gate 77567c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&(DEVI(dip)->devi_lock))); 77577c478bd9Sstevel@tonic-gate 77587c478bd9Sstevel@tonic-gate /* 77597c478bd9Sstevel@tonic-gate * clear the state(s) and wakeup any threads waiting 77607c478bd9Sstevel@tonic-gate * for state change 77617c478bd9Sstevel@tonic-gate */ 77627c478bd9Sstevel@tonic-gate DEVI(dip)->devi_state &= ~c_mask; 77637c478bd9Sstevel@tonic-gate cv_broadcast(&(DEVI(dip)->devi_cv)); 77647c478bd9Sstevel@tonic-gate 77657c478bd9Sstevel@tonic-gate if (!has_lock) 77667c478bd9Sstevel@tonic-gate mutex_exit(&(DEVI(dip)->devi_lock)); 77677c478bd9Sstevel@tonic-gate } 77687c478bd9Sstevel@tonic-gate 77697c478bd9Sstevel@tonic-gate /* 77707c478bd9Sstevel@tonic-gate * This procedure is provided as the general callback function when 77717c478bd9Sstevel@tonic-gate * umem_lockmemory calls as_add_callback for long term memory locking. 77727c478bd9Sstevel@tonic-gate * When as_unmap, as_setprot, or as_free encounter segments which have 77737c478bd9Sstevel@tonic-gate * locked memory, this callback will be invoked. 77747c478bd9Sstevel@tonic-gate */ 77757c478bd9Sstevel@tonic-gate void 77767c478bd9Sstevel@tonic-gate umem_lock_undo(struct as *as, void *arg, uint_t event) 77777c478bd9Sstevel@tonic-gate { 77787c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(as, event)) 77797c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *cp = (struct ddi_umem_cookie *)arg; 77807c478bd9Sstevel@tonic-gate 77817c478bd9Sstevel@tonic-gate /* 77827c478bd9Sstevel@tonic-gate * Call the cleanup function. Decrement the cookie reference 77837c478bd9Sstevel@tonic-gate * count, if it goes to zero, return the memory for the cookie. 77847c478bd9Sstevel@tonic-gate * The i_ddi_umem_unlock for this cookie may or may not have been 77857c478bd9Sstevel@tonic-gate * called already. It is the responsibility of the caller of 77867c478bd9Sstevel@tonic-gate * umem_lockmemory to handle the case of the cleanup routine 77877c478bd9Sstevel@tonic-gate * being called after a ddi_umem_unlock for the cookie 77887c478bd9Sstevel@tonic-gate * was called. 77897c478bd9Sstevel@tonic-gate */ 77907c478bd9Sstevel@tonic-gate 77917c478bd9Sstevel@tonic-gate (*cp->callbacks.cbo_umem_lock_cleanup)((ddi_umem_cookie_t)cp); 77927c478bd9Sstevel@tonic-gate 77937c478bd9Sstevel@tonic-gate /* remove the cookie if reference goes to zero */ 77947c478bd9Sstevel@tonic-gate if (atomic_add_long_nv((ulong_t *)(&(cp->cook_refcnt)), -1) == 0) { 77957c478bd9Sstevel@tonic-gate kmem_free(cp, sizeof (struct ddi_umem_cookie)); 77967c478bd9Sstevel@tonic-gate } 77977c478bd9Sstevel@tonic-gate } 77987c478bd9Sstevel@tonic-gate 77997c478bd9Sstevel@tonic-gate /* 78007c478bd9Sstevel@tonic-gate * The following two Consolidation Private routines provide generic 78017c478bd9Sstevel@tonic-gate * interfaces to increase/decrease the amount of device-locked memory. 78027c478bd9Sstevel@tonic-gate * 78037c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_decr_locked_memory() 78047c478bd9Sstevel@tonic-gate * must be called every time i_ddi_incr_locked_memory() is called. 78057c478bd9Sstevel@tonic-gate */ 78067c478bd9Sstevel@tonic-gate int 78077c478bd9Sstevel@tonic-gate /* ARGSUSED */ 78087c478bd9Sstevel@tonic-gate i_ddi_incr_locked_memory(proc_t *procp, task_t *taskp, 78097c478bd9Sstevel@tonic-gate kproject_t *projectp, zone_t *zonep, rctl_qty_t inc) 78107c478bd9Sstevel@tonic-gate { 78117c478bd9Sstevel@tonic-gate kproject_t *projp; 78127c478bd9Sstevel@tonic-gate 78137c478bd9Sstevel@tonic-gate ASSERT(procp); 78147c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&procp->p_lock)); 78157c478bd9Sstevel@tonic-gate 78167c478bd9Sstevel@tonic-gate projp = procp->p_task->tk_proj; 78177c478bd9Sstevel@tonic-gate mutex_enter(&umem_devlockmem_rctl_lock); 78187c478bd9Sstevel@tonic-gate /* 78197c478bd9Sstevel@tonic-gate * Test if the requested memory can be locked without exceeding the 78207c478bd9Sstevel@tonic-gate * limits. 78217c478bd9Sstevel@tonic-gate */ 78227c478bd9Sstevel@tonic-gate if (rctl_test(rc_project_devlockmem, projp->kpj_rctls, 78237c478bd9Sstevel@tonic-gate procp, inc, RCA_SAFE) & RCT_DENY) { 78247c478bd9Sstevel@tonic-gate mutex_exit(&umem_devlockmem_rctl_lock); 78257c478bd9Sstevel@tonic-gate return (ENOMEM); 78267c478bd9Sstevel@tonic-gate } 78277c478bd9Sstevel@tonic-gate projp->kpj_data.kpd_devlockmem += inc; 78287c478bd9Sstevel@tonic-gate mutex_exit(&umem_devlockmem_rctl_lock); 78297c478bd9Sstevel@tonic-gate /* 78307c478bd9Sstevel@tonic-gate * Grab a hold on the project. 78317c478bd9Sstevel@tonic-gate */ 78327c478bd9Sstevel@tonic-gate (void) project_hold(projp); 78337c478bd9Sstevel@tonic-gate 78347c478bd9Sstevel@tonic-gate return (0); 78357c478bd9Sstevel@tonic-gate } 78367c478bd9Sstevel@tonic-gate 78377c478bd9Sstevel@tonic-gate /* 78387c478bd9Sstevel@tonic-gate * To keep project_rele and project_hold consistent, i_ddi_incr_locked_memory() 78397c478bd9Sstevel@tonic-gate * must be called every time i_ddi_decr_locked_memory() is called. 78407c478bd9Sstevel@tonic-gate */ 78417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 78427c478bd9Sstevel@tonic-gate void 78437c478bd9Sstevel@tonic-gate i_ddi_decr_locked_memory(proc_t *procp, task_t *taskp, 78447c478bd9Sstevel@tonic-gate kproject_t *projectp, zone_t *zonep, rctl_qty_t dec) 78457c478bd9Sstevel@tonic-gate { 78467c478bd9Sstevel@tonic-gate ASSERT(projectp); 78477c478bd9Sstevel@tonic-gate 78487c478bd9Sstevel@tonic-gate mutex_enter(&umem_devlockmem_rctl_lock); 78497c478bd9Sstevel@tonic-gate projectp->kpj_data.kpd_devlockmem -= dec; 78507c478bd9Sstevel@tonic-gate mutex_exit(&umem_devlockmem_rctl_lock); 78517c478bd9Sstevel@tonic-gate 78527c478bd9Sstevel@tonic-gate /* 78537c478bd9Sstevel@tonic-gate * Release the project pointer reference accquired in 78547c478bd9Sstevel@tonic-gate * i_ddi_incr_locked_memory(). 78557c478bd9Sstevel@tonic-gate */ 78567c478bd9Sstevel@tonic-gate (void) project_rele(projectp); 78577c478bd9Sstevel@tonic-gate } 78587c478bd9Sstevel@tonic-gate 78597c478bd9Sstevel@tonic-gate /* 78607c478bd9Sstevel@tonic-gate * This routine checks if the max-device-locked-memory resource ctl is 78617c478bd9Sstevel@tonic-gate * exceeded, if not increments it, grabs a hold on the project. 78627c478bd9Sstevel@tonic-gate * Returns 0 if successful otherwise returns error code 78637c478bd9Sstevel@tonic-gate */ 78647c478bd9Sstevel@tonic-gate static int 78657c478bd9Sstevel@tonic-gate umem_incr_devlockmem(struct ddi_umem_cookie *cookie) 78667c478bd9Sstevel@tonic-gate { 78677c478bd9Sstevel@tonic-gate proc_t *procp; 78687c478bd9Sstevel@tonic-gate int ret; 78697c478bd9Sstevel@tonic-gate 78707c478bd9Sstevel@tonic-gate ASSERT(cookie); 78717c478bd9Sstevel@tonic-gate procp = cookie->procp; 78727c478bd9Sstevel@tonic-gate ASSERT(procp); 78737c478bd9Sstevel@tonic-gate 78747c478bd9Sstevel@tonic-gate mutex_enter(&procp->p_lock); 78757c478bd9Sstevel@tonic-gate 78767c478bd9Sstevel@tonic-gate if ((ret = i_ddi_incr_locked_memory(procp, NULL, 78777c478bd9Sstevel@tonic-gate NULL, NULL, cookie->size)) != 0) { 78787c478bd9Sstevel@tonic-gate mutex_exit(&procp->p_lock); 78797c478bd9Sstevel@tonic-gate return (ret); 78807c478bd9Sstevel@tonic-gate } 78817c478bd9Sstevel@tonic-gate 78827c478bd9Sstevel@tonic-gate /* 78837c478bd9Sstevel@tonic-gate * save the project pointer in the 78847c478bd9Sstevel@tonic-gate * umem cookie, project pointer already 78857c478bd9Sstevel@tonic-gate * hold in i_ddi_incr_locked_memory 78867c478bd9Sstevel@tonic-gate */ 78877c478bd9Sstevel@tonic-gate cookie->lockmem_proj = (void *)procp->p_task->tk_proj; 78887c478bd9Sstevel@tonic-gate mutex_exit(&procp->p_lock); 78897c478bd9Sstevel@tonic-gate 78907c478bd9Sstevel@tonic-gate return (0); 78917c478bd9Sstevel@tonic-gate } 78927c478bd9Sstevel@tonic-gate 78937c478bd9Sstevel@tonic-gate /* 78947c478bd9Sstevel@tonic-gate * Decrements the max-device-locked-memory resource ctl and releases 78957c478bd9Sstevel@tonic-gate * the hold on the project that was acquired during umem_incr_devlockmem 78967c478bd9Sstevel@tonic-gate */ 78977c478bd9Sstevel@tonic-gate static void 78987c478bd9Sstevel@tonic-gate umem_decr_devlockmem(struct ddi_umem_cookie *cookie) 78997c478bd9Sstevel@tonic-gate { 79007c478bd9Sstevel@tonic-gate kproject_t *projp; 79017c478bd9Sstevel@tonic-gate 79027c478bd9Sstevel@tonic-gate if (!cookie->lockmem_proj) 79037c478bd9Sstevel@tonic-gate return; 79047c478bd9Sstevel@tonic-gate 79057c478bd9Sstevel@tonic-gate projp = (kproject_t *)cookie->lockmem_proj; 79067c478bd9Sstevel@tonic-gate i_ddi_decr_locked_memory(NULL, NULL, projp, NULL, cookie->size); 79077c478bd9Sstevel@tonic-gate 79087c478bd9Sstevel@tonic-gate cookie->lockmem_proj = NULL; 79097c478bd9Sstevel@tonic-gate } 79107c478bd9Sstevel@tonic-gate 79117c478bd9Sstevel@tonic-gate /* 79127c478bd9Sstevel@tonic-gate * A consolidation private function which is essentially equivalent to 79137c478bd9Sstevel@tonic-gate * ddi_umem_lock but with the addition of arguments ops_vector and procp. 79147c478bd9Sstevel@tonic-gate * A call to as_add_callback is done if DDI_UMEMLOCK_LONGTERM is set, and 79157c478bd9Sstevel@tonic-gate * the ops_vector is valid. 79167c478bd9Sstevel@tonic-gate * 79177c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 79187c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 79197c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 79207c478bd9Sstevel@tonic-gate * to user space. 79217c478bd9Sstevel@tonic-gate * 79227c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 79237c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 79247c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 79257c478bd9Sstevel@tonic-gate * counter for the device locked memory. 79267c478bd9Sstevel@tonic-gate * 79277c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 79287c478bd9Sstevel@tonic-gate * 79297c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 79307c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 79317c478bd9Sstevel@tonic-gate * DDI_UMEMLOCK_LONGTERM must be set when the locking will 79327c478bd9Sstevel@tonic-gate * be maintained for an indefinitely long period (essentially permanent), 79337c478bd9Sstevel@tonic-gate * rather than for what would be required for a typical I/O completion. 79347c478bd9Sstevel@tonic-gate * When DDI_UMEMLOCK_LONGTERM is set, umem_lockmemory will return EFAULT 79357c478bd9Sstevel@tonic-gate * if the memory pertains to a regular file which is mapped MAP_SHARED. 79367c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted after 79377c478bd9Sstevel@tonic-gate * after the locking is done. 79387c478bd9Sstevel@tonic-gate * 79397c478bd9Sstevel@tonic-gate * Returns 0 on success 79407c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 79417c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 79427c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 79437c478bd9Sstevel@tonic-gate * project.max-device-locked-memory resource control value. 79447c478bd9Sstevel@tonic-gate * EFAULT - memory pertains to a regular file mapped shared and 79457c478bd9Sstevel@tonic-gate * and DDI_UMEMLOCK_LONGTERM flag is set 79467c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 79477c478bd9Sstevel@tonic-gate */ 79487c478bd9Sstevel@tonic-gate int 79497c478bd9Sstevel@tonic-gate umem_lockmemory(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie, 79507c478bd9Sstevel@tonic-gate struct umem_callback_ops *ops_vector, 79517c478bd9Sstevel@tonic-gate proc_t *procp) 79527c478bd9Sstevel@tonic-gate { 79537c478bd9Sstevel@tonic-gate int error; 79547c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 79557c478bd9Sstevel@tonic-gate void (*driver_callback)() = NULL; 79567c478bd9Sstevel@tonic-gate struct as *as = procp->p_as; 79577c478bd9Sstevel@tonic-gate struct seg *seg; 79587c478bd9Sstevel@tonic-gate vnode_t *vp; 79597c478bd9Sstevel@tonic-gate 79607c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 79617c478bd9Sstevel@tonic-gate 79627c478bd9Sstevel@tonic-gate /* These are the only three valid flags */ 79637c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE | 79647c478bd9Sstevel@tonic-gate DDI_UMEMLOCK_LONGTERM)) != 0) 79657c478bd9Sstevel@tonic-gate return (EINVAL); 79667c478bd9Sstevel@tonic-gate 79677c478bd9Sstevel@tonic-gate /* At least one (can be both) of the two access flags must be set */ 79687c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) 79697c478bd9Sstevel@tonic-gate return (EINVAL); 79707c478bd9Sstevel@tonic-gate 79717c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 79727c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) 79737c478bd9Sstevel@tonic-gate return (EINVAL); 79747c478bd9Sstevel@tonic-gate 79757c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) 79767c478bd9Sstevel@tonic-gate return (EINVAL); 79777c478bd9Sstevel@tonic-gate 79787c478bd9Sstevel@tonic-gate /* 79797c478bd9Sstevel@tonic-gate * For longterm locking a driver callback must be specified; if 79807c478bd9Sstevel@tonic-gate * not longterm then a callback is optional. 79817c478bd9Sstevel@tonic-gate */ 79827c478bd9Sstevel@tonic-gate if (ops_vector != NULL) { 79837c478bd9Sstevel@tonic-gate if (ops_vector->cbo_umem_callback_version != 79847c478bd9Sstevel@tonic-gate UMEM_CALLBACK_VERSION) 79857c478bd9Sstevel@tonic-gate return (EINVAL); 79867c478bd9Sstevel@tonic-gate else 79877c478bd9Sstevel@tonic-gate driver_callback = ops_vector->cbo_umem_lock_cleanup; 79887c478bd9Sstevel@tonic-gate } 79897c478bd9Sstevel@tonic-gate if ((driver_callback == NULL) && (flags & DDI_UMEMLOCK_LONGTERM)) 79907c478bd9Sstevel@tonic-gate return (EINVAL); 79917c478bd9Sstevel@tonic-gate 79927c478bd9Sstevel@tonic-gate /* 79937c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 79947c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 79957c478bd9Sstevel@tonic-gate */ 79967c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 79977c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 79987c478bd9Sstevel@tonic-gate 79997c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 80007c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 80017c478bd9Sstevel@tonic-gate 80027c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 80037c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 80047c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 80057c478bd9Sstevel@tonic-gate } else { 80067c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 80077c478bd9Sstevel@tonic-gate } 80087c478bd9Sstevel@tonic-gate 80097c478bd9Sstevel@tonic-gate /* Store procp in cookie for later iosetup/unlock */ 80107c478bd9Sstevel@tonic-gate p->procp = (void *)procp; 80117c478bd9Sstevel@tonic-gate 80127c478bd9Sstevel@tonic-gate /* 80137c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 80147c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 80157c478bd9Sstevel@tonic-gate * is called after relvm is called. 80167c478bd9Sstevel@tonic-gate */ 80177c478bd9Sstevel@tonic-gate p->asp = as; 80187c478bd9Sstevel@tonic-gate 80197c478bd9Sstevel@tonic-gate /* 80207c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 80217c478bd9Sstevel@tonic-gate */ 80227c478bd9Sstevel@tonic-gate p->size = len; 80237c478bd9Sstevel@tonic-gate 80247c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 80257c478bd9Sstevel@tonic-gate /* 80267c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 80277c478bd9Sstevel@tonic-gate */ 80287c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 80297c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 80307c478bd9Sstevel@tonic-gate return (ENOMEM); 80317c478bd9Sstevel@tonic-gate } 80327c478bd9Sstevel@tonic-gate /* 80337c478bd9Sstevel@tonic-gate * umem_incr_devlockmem stashes the project ptr into the 80347c478bd9Sstevel@tonic-gate * cookie. This is needed during unlock since that can 80357c478bd9Sstevel@tonic-gate * happen in a non-USER context 80367c478bd9Sstevel@tonic-gate */ 80377c478bd9Sstevel@tonic-gate ASSERT(p->lockmem_proj); 80387c478bd9Sstevel@tonic-gate 80397c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 80407c478bd9Sstevel@tonic-gate error = as_pagelock(as, &(p->pparray), addr, len, p->s_flags); 80417c478bd9Sstevel@tonic-gate if (error != 0) { 80427c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 80437c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 80447c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 80457c478bd9Sstevel@tonic-gate return (error); 80467c478bd9Sstevel@tonic-gate } 80477c478bd9Sstevel@tonic-gate 80487c478bd9Sstevel@tonic-gate /* 80497c478bd9Sstevel@tonic-gate * For longterm locking the addr must pertain to a seg_vn segment or 80507c478bd9Sstevel@tonic-gate * or a seg_spt segment. 80517c478bd9Sstevel@tonic-gate * If the segment pertains to a regular file, it cannot be 80527c478bd9Sstevel@tonic-gate * mapped MAP_SHARED. 80537c478bd9Sstevel@tonic-gate * This is to prevent a deadlock if a file truncation is attempted 80547c478bd9Sstevel@tonic-gate * after the locking is done. 80557c478bd9Sstevel@tonic-gate * Doing this after as_pagelock guarantees persistence of the as; if 80567c478bd9Sstevel@tonic-gate * an unacceptable segment is found, the cleanup includes calling 80577c478bd9Sstevel@tonic-gate * as_pageunlock before returning EFAULT. 80587c478bd9Sstevel@tonic-gate */ 80597c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_LONGTERM) { 80607c478bd9Sstevel@tonic-gate extern struct seg_ops segspt_shmops; 80617c478bd9Sstevel@tonic-gate AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 80627c478bd9Sstevel@tonic-gate for (seg = as_segat(as, addr); ; seg = AS_SEGNEXT(as, seg)) { 80637c478bd9Sstevel@tonic-gate if (seg == NULL || seg->s_base > addr + len) 80647c478bd9Sstevel@tonic-gate break; 80657c478bd9Sstevel@tonic-gate if (((seg->s_ops != &segvn_ops) && 80667c478bd9Sstevel@tonic-gate (seg->s_ops != &segspt_shmops)) || 80677c478bd9Sstevel@tonic-gate ((SEGOP_GETVP(seg, addr, &vp) == 0 && 80687c478bd9Sstevel@tonic-gate vp != NULL && vp->v_type == VREG) && 80697c478bd9Sstevel@tonic-gate (SEGOP_GETTYPE(seg, addr) & MAP_SHARED))) { 80707c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 80717c478bd9Sstevel@tonic-gate addr, len, p->s_flags); 80727c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 80737c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 80747c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 80757c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 80767c478bd9Sstevel@tonic-gate return (EFAULT); 80777c478bd9Sstevel@tonic-gate } 80787c478bd9Sstevel@tonic-gate } 80797c478bd9Sstevel@tonic-gate AS_LOCK_EXIT(as, &as->a_lock); 80807c478bd9Sstevel@tonic-gate } 80817c478bd9Sstevel@tonic-gate 80827c478bd9Sstevel@tonic-gate 80837c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 80847c478bd9Sstevel@tonic-gate p->cvaddr = addr; 80857c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 80867c478bd9Sstevel@tonic-gate if (driver_callback != NULL) { 80877c478bd9Sstevel@tonic-gate /* i_ddi_umem_unlock and umem_lock_undo may need the cookie */ 80887c478bd9Sstevel@tonic-gate p->cook_refcnt = 2; 80897c478bd9Sstevel@tonic-gate p->callbacks = *ops_vector; 80907c478bd9Sstevel@tonic-gate } else { 80917c478bd9Sstevel@tonic-gate /* only i_ddi_umme_unlock needs the cookie */ 80927c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 80937c478bd9Sstevel@tonic-gate } 80947c478bd9Sstevel@tonic-gate 80957c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 80967c478bd9Sstevel@tonic-gate 80977c478bd9Sstevel@tonic-gate /* 80987c478bd9Sstevel@tonic-gate * If a driver callback was specified, add an entry to the 80997c478bd9Sstevel@tonic-gate * as struct callback list. The as_pagelock above guarantees 81007c478bd9Sstevel@tonic-gate * the persistence of as. 81017c478bd9Sstevel@tonic-gate */ 81027c478bd9Sstevel@tonic-gate if (driver_callback) { 81037c478bd9Sstevel@tonic-gate error = as_add_callback(as, umem_lock_undo, p, AS_ALL_EVENT, 81047c478bd9Sstevel@tonic-gate addr, len, KM_SLEEP); 81057c478bd9Sstevel@tonic-gate if (error != 0) { 81067c478bd9Sstevel@tonic-gate as_pageunlock(as, p->pparray, 81077c478bd9Sstevel@tonic-gate addr, len, p->s_flags); 81087c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 81097c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 81107c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 81117c478bd9Sstevel@tonic-gate } 81127c478bd9Sstevel@tonic-gate } 81137c478bd9Sstevel@tonic-gate return (error); 81147c478bd9Sstevel@tonic-gate } 81157c478bd9Sstevel@tonic-gate 81167c478bd9Sstevel@tonic-gate /* 81177c478bd9Sstevel@tonic-gate * Unlock the pages locked by ddi_umem_lock or umem_lockmemory and free 81187c478bd9Sstevel@tonic-gate * the cookie. Called from i_ddi_umem_unlock_thread. 81197c478bd9Sstevel@tonic-gate */ 81207c478bd9Sstevel@tonic-gate 81217c478bd9Sstevel@tonic-gate static void 81227c478bd9Sstevel@tonic-gate i_ddi_umem_unlock(struct ddi_umem_cookie *p) 81237c478bd9Sstevel@tonic-gate { 81247c478bd9Sstevel@tonic-gate uint_t rc; 81257c478bd9Sstevel@tonic-gate 81267c478bd9Sstevel@tonic-gate /* 81277c478bd9Sstevel@tonic-gate * There is no way to determine whether a callback to 81287c478bd9Sstevel@tonic-gate * umem_lock_undo was registered via as_add_callback. 81297c478bd9Sstevel@tonic-gate * (i.e. umem_lockmemory was called with DDI_MEMLOCK_LONGTERM and 81307c478bd9Sstevel@tonic-gate * a valid callback function structure.) as_delete_callback 81317c478bd9Sstevel@tonic-gate * is called to delete a possible registered callback. If the 81327c478bd9Sstevel@tonic-gate * return from as_delete_callbacks is AS_CALLBACK_DELETED, it 81337c478bd9Sstevel@tonic-gate * indicates that there was a callback registered, and that is was 81347c478bd9Sstevel@tonic-gate * successfully deleted. Thus, the cookie reference count 81357c478bd9Sstevel@tonic-gate * will never be decremented by umem_lock_undo. Just return the 81367c478bd9Sstevel@tonic-gate * memory for the cookie, since both users of the cookie are done. 81377c478bd9Sstevel@tonic-gate * A return of AS_CALLBACK_NOTFOUND indicates a callback was 81387c478bd9Sstevel@tonic-gate * never registered. A return of AS_CALLBACK_DELETE_DEFERRED 81397c478bd9Sstevel@tonic-gate * indicates that callback processing is taking place and, and 81407c478bd9Sstevel@tonic-gate * umem_lock_undo is, or will be, executing, and thus decrementing 81417c478bd9Sstevel@tonic-gate * the cookie reference count when it is complete. 81427c478bd9Sstevel@tonic-gate * 81437c478bd9Sstevel@tonic-gate * This needs to be done before as_pageunlock so that the 81447c478bd9Sstevel@tonic-gate * persistence of as is guaranteed because of the locked pages. 81457c478bd9Sstevel@tonic-gate * 81467c478bd9Sstevel@tonic-gate */ 81477c478bd9Sstevel@tonic-gate rc = as_delete_callback(p->asp, p); 81487c478bd9Sstevel@tonic-gate 81497c478bd9Sstevel@tonic-gate 81507c478bd9Sstevel@tonic-gate /* 81517c478bd9Sstevel@tonic-gate * The proc->p_as will be stale if i_ddi_umem_unlock is called 81527c478bd9Sstevel@tonic-gate * after relvm is called so use p->asp. 81537c478bd9Sstevel@tonic-gate */ 81547c478bd9Sstevel@tonic-gate as_pageunlock(p->asp, p->pparray, p->cvaddr, p->size, p->s_flags); 81557c478bd9Sstevel@tonic-gate 81567c478bd9Sstevel@tonic-gate /* 81577c478bd9Sstevel@tonic-gate * Now that we have unlocked the memory decrement the 81587c478bd9Sstevel@tonic-gate * max-device-locked-memory rctl 81597c478bd9Sstevel@tonic-gate */ 81607c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 81617c478bd9Sstevel@tonic-gate 81627c478bd9Sstevel@tonic-gate if (rc == AS_CALLBACK_DELETED) { 81637c478bd9Sstevel@tonic-gate /* umem_lock_undo will not happen, return the cookie memory */ 81647c478bd9Sstevel@tonic-gate ASSERT(p->cook_refcnt == 2); 81657c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 81667c478bd9Sstevel@tonic-gate } else { 81677c478bd9Sstevel@tonic-gate /* 81687c478bd9Sstevel@tonic-gate * umem_undo_lock may happen if as_delete_callback returned 81697c478bd9Sstevel@tonic-gate * AS_CALLBACK_DELETE_DEFERRED. In that case, decrement the 81707c478bd9Sstevel@tonic-gate * reference count, atomically, and return the cookie 81717c478bd9Sstevel@tonic-gate * memory if the reference count goes to zero. The only 81727c478bd9Sstevel@tonic-gate * other value for rc is AS_CALLBACK_NOTFOUND. In that 81737c478bd9Sstevel@tonic-gate * case, just return the cookie memory. 81747c478bd9Sstevel@tonic-gate */ 81757c478bd9Sstevel@tonic-gate if ((rc != AS_CALLBACK_DELETE_DEFERRED) || 81767c478bd9Sstevel@tonic-gate (atomic_add_long_nv((ulong_t *)(&(p->cook_refcnt)), -1) 81777c478bd9Sstevel@tonic-gate == 0)) { 81787c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 81797c478bd9Sstevel@tonic-gate } 81807c478bd9Sstevel@tonic-gate } 81817c478bd9Sstevel@tonic-gate } 81827c478bd9Sstevel@tonic-gate 81837c478bd9Sstevel@tonic-gate /* 81847c478bd9Sstevel@tonic-gate * i_ddi_umem_unlock_thread - deferred ddi_umem_unlock list handler. 81857c478bd9Sstevel@tonic-gate * 81867c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock for entries in the ddi_umem_unlock list 81877c478bd9Sstevel@tonic-gate * until it is empty. Then, wait for more to be added. This thread is awoken 81887c478bd9Sstevel@tonic-gate * via calls to ddi_umem_unlock. 81897c478bd9Sstevel@tonic-gate */ 81907c478bd9Sstevel@tonic-gate 81917c478bd9Sstevel@tonic-gate static void 81927c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread(void) 81937c478bd9Sstevel@tonic-gate { 81947c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *ret_cookie; 81957c478bd9Sstevel@tonic-gate callb_cpr_t cprinfo; 81967c478bd9Sstevel@tonic-gate 81977c478bd9Sstevel@tonic-gate /* process the ddi_umem_unlock list */ 81987c478bd9Sstevel@tonic-gate CALLB_CPR_INIT(&cprinfo, &ddi_umem_unlock_mutex, 81997c478bd9Sstevel@tonic-gate callb_generic_cpr, "unlock_thread"); 82007c478bd9Sstevel@tonic-gate for (;;) { 82017c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 82027c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_head != NULL) { /* list not empty */ 82037c478bd9Sstevel@tonic-gate ret_cookie = ddi_umem_unlock_head; 82047c478bd9Sstevel@tonic-gate /* take if off the list */ 82057c478bd9Sstevel@tonic-gate if ((ddi_umem_unlock_head = 82067c478bd9Sstevel@tonic-gate ddi_umem_unlock_head->unl_forw) == NULL) { 82077c478bd9Sstevel@tonic-gate ddi_umem_unlock_tail = NULL; 82087c478bd9Sstevel@tonic-gate } 82097c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 82107c478bd9Sstevel@tonic-gate /* unlock the pages in this cookie */ 82117c478bd9Sstevel@tonic-gate (void) i_ddi_umem_unlock(ret_cookie); 82127c478bd9Sstevel@tonic-gate } else { /* list is empty, wait for next ddi_umem_unlock */ 82137c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_BEGIN(&cprinfo); 82147c478bd9Sstevel@tonic-gate cv_wait(&ddi_umem_unlock_cv, &ddi_umem_unlock_mutex); 82157c478bd9Sstevel@tonic-gate CALLB_CPR_SAFE_END(&cprinfo, &ddi_umem_unlock_mutex); 82167c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 82177c478bd9Sstevel@tonic-gate } 82187c478bd9Sstevel@tonic-gate } 82197c478bd9Sstevel@tonic-gate /* ddi_umem_unlock_thread does not exit */ 82207c478bd9Sstevel@tonic-gate /* NOTREACHED */ 82217c478bd9Sstevel@tonic-gate } 82227c478bd9Sstevel@tonic-gate 82237c478bd9Sstevel@tonic-gate /* 82247c478bd9Sstevel@tonic-gate * Start the thread that will process the ddi_umem_unlock list if it is 82257c478bd9Sstevel@tonic-gate * not already started (i_ddi_umem_unlock_thread). 82267c478bd9Sstevel@tonic-gate */ 82277c478bd9Sstevel@tonic-gate static void 82287c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(void) 82297c478bd9Sstevel@tonic-gate { 82307c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 82317c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) { 82327c478bd9Sstevel@tonic-gate ddi_umem_unlock_thread = thread_create(NULL, 0, 82337c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread, NULL, 0, &p0, 82347c478bd9Sstevel@tonic-gate TS_RUN, minclsyspri); 82357c478bd9Sstevel@tonic-gate } 82367c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 82377c478bd9Sstevel@tonic-gate } 82387c478bd9Sstevel@tonic-gate 82397c478bd9Sstevel@tonic-gate /* 82407c478bd9Sstevel@tonic-gate * Lock the virtual address range in the current process and create a 82417c478bd9Sstevel@tonic-gate * ddi_umem_cookie (of type UMEM_LOCKED). This can be used to pass to 82427c478bd9Sstevel@tonic-gate * ddi_umem_iosetup to create a buf or do devmap_umem_setup/remap to export 82437c478bd9Sstevel@tonic-gate * to user space. 82447c478bd9Sstevel@tonic-gate * 82457c478bd9Sstevel@tonic-gate * Note: The resource control accounting currently uses a full charge model 82467c478bd9Sstevel@tonic-gate * in other words attempts to lock the same/overlapping areas of memory 82477c478bd9Sstevel@tonic-gate * will deduct the full size of the buffer from the projects running 82487c478bd9Sstevel@tonic-gate * counter for the device locked memory. This applies to umem_lockmemory too. 82497c478bd9Sstevel@tonic-gate * 82507c478bd9Sstevel@tonic-gate * addr, size should be PAGESIZE aligned 82517c478bd9Sstevel@tonic-gate * flags - DDI_UMEMLOCK_READ, DDI_UMEMLOCK_WRITE or both 82527c478bd9Sstevel@tonic-gate * identifies whether the locked memory will be read or written or both 82537c478bd9Sstevel@tonic-gate * 82547c478bd9Sstevel@tonic-gate * Returns 0 on success 82557c478bd9Sstevel@tonic-gate * EINVAL - for invalid parameters 82567c478bd9Sstevel@tonic-gate * EPERM, ENOMEM and other error codes returned by as_pagelock 82577c478bd9Sstevel@tonic-gate * ENOMEM - is returned if the current request to lock memory exceeds 82587c478bd9Sstevel@tonic-gate * project.max-device-locked-memory resource control value. 82597c478bd9Sstevel@tonic-gate * EAGAIN - could not start the ddi_umem_unlock list processing thread 82607c478bd9Sstevel@tonic-gate */ 82617c478bd9Sstevel@tonic-gate int 82627c478bd9Sstevel@tonic-gate ddi_umem_lock(caddr_t addr, size_t len, int flags, ddi_umem_cookie_t *cookie) 82637c478bd9Sstevel@tonic-gate { 82647c478bd9Sstevel@tonic-gate int error; 82657c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p; 82667c478bd9Sstevel@tonic-gate 82677c478bd9Sstevel@tonic-gate *cookie = NULL; /* in case of any error return */ 82687c478bd9Sstevel@tonic-gate 82697c478bd9Sstevel@tonic-gate /* These are the only two valid flags */ 82707c478bd9Sstevel@tonic-gate if ((flags & ~(DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) != 0) { 82717c478bd9Sstevel@tonic-gate return (EINVAL); 82727c478bd9Sstevel@tonic-gate } 82737c478bd9Sstevel@tonic-gate 82747c478bd9Sstevel@tonic-gate /* At least one of the two flags (or both) must be set */ 82757c478bd9Sstevel@tonic-gate if ((flags & (DDI_UMEMLOCK_READ | DDI_UMEMLOCK_WRITE)) == 0) { 82767c478bd9Sstevel@tonic-gate return (EINVAL); 82777c478bd9Sstevel@tonic-gate } 82787c478bd9Sstevel@tonic-gate 82797c478bd9Sstevel@tonic-gate /* addr and len must be page-aligned */ 82807c478bd9Sstevel@tonic-gate if (((uintptr_t)addr & PAGEOFFSET) != 0) { 82817c478bd9Sstevel@tonic-gate return (EINVAL); 82827c478bd9Sstevel@tonic-gate } 82837c478bd9Sstevel@tonic-gate 82847c478bd9Sstevel@tonic-gate if ((len & PAGEOFFSET) != 0) { 82857c478bd9Sstevel@tonic-gate return (EINVAL); 82867c478bd9Sstevel@tonic-gate } 82877c478bd9Sstevel@tonic-gate 82887c478bd9Sstevel@tonic-gate /* 82897c478bd9Sstevel@tonic-gate * Call i_ddi_umem_unlock_thread_start if necessary. It will 82907c478bd9Sstevel@tonic-gate * be called on first ddi_umem_lock or umem_lockmemory call. 82917c478bd9Sstevel@tonic-gate */ 82927c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_thread == NULL) 82937c478bd9Sstevel@tonic-gate i_ddi_umem_unlock_thread_start(); 82947c478bd9Sstevel@tonic-gate 82957c478bd9Sstevel@tonic-gate /* Allocate memory for the cookie */ 82967c478bd9Sstevel@tonic-gate p = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP); 82977c478bd9Sstevel@tonic-gate 82987c478bd9Sstevel@tonic-gate /* Convert the flags to seg_rw type */ 82997c478bd9Sstevel@tonic-gate if (flags & DDI_UMEMLOCK_WRITE) { 83007c478bd9Sstevel@tonic-gate p->s_flags = S_WRITE; 83017c478bd9Sstevel@tonic-gate } else { 83027c478bd9Sstevel@tonic-gate p->s_flags = S_READ; 83037c478bd9Sstevel@tonic-gate } 83047c478bd9Sstevel@tonic-gate 83057c478bd9Sstevel@tonic-gate /* Store curproc in cookie for later iosetup/unlock */ 83067c478bd9Sstevel@tonic-gate p->procp = (void *)curproc; 83077c478bd9Sstevel@tonic-gate 83087c478bd9Sstevel@tonic-gate /* 83097c478bd9Sstevel@tonic-gate * Store the struct as pointer in cookie for later use by 83107c478bd9Sstevel@tonic-gate * ddi_umem_unlock. The proc->p_as will be stale if ddi_umem_unlock 83117c478bd9Sstevel@tonic-gate * is called after relvm is called. 83127c478bd9Sstevel@tonic-gate */ 83137c478bd9Sstevel@tonic-gate p->asp = curproc->p_as; 83147c478bd9Sstevel@tonic-gate /* 83157c478bd9Sstevel@tonic-gate * The size field is needed for lockmem accounting. 83167c478bd9Sstevel@tonic-gate */ 83177c478bd9Sstevel@tonic-gate p->size = len; 83187c478bd9Sstevel@tonic-gate 83197c478bd9Sstevel@tonic-gate if (umem_incr_devlockmem(p) != 0) { 83207c478bd9Sstevel@tonic-gate /* 83217c478bd9Sstevel@tonic-gate * The requested memory cannot be locked 83227c478bd9Sstevel@tonic-gate */ 83237c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 83247c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 83257c478bd9Sstevel@tonic-gate return (ENOMEM); 83267c478bd9Sstevel@tonic-gate } 83277c478bd9Sstevel@tonic-gate /* 83287c478bd9Sstevel@tonic-gate * umem_incr_devlockmem stashes the project ptr into the 83297c478bd9Sstevel@tonic-gate * cookie. This is needed during unlock since that can 83307c478bd9Sstevel@tonic-gate * happen in a non-USER context 83317c478bd9Sstevel@tonic-gate */ 83327c478bd9Sstevel@tonic-gate ASSERT(p->lockmem_proj); 83337c478bd9Sstevel@tonic-gate 83347c478bd9Sstevel@tonic-gate /* Lock the pages corresponding to addr, len in memory */ 83357c478bd9Sstevel@tonic-gate error = as_pagelock(((proc_t *)p->procp)->p_as, &(p->pparray), 83367c478bd9Sstevel@tonic-gate addr, len, p->s_flags); 83377c478bd9Sstevel@tonic-gate if (error != 0) { 83387c478bd9Sstevel@tonic-gate umem_decr_devlockmem(p); 83397c478bd9Sstevel@tonic-gate kmem_free(p, sizeof (struct ddi_umem_cookie)); 83407c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)NULL; 83417c478bd9Sstevel@tonic-gate return (error); 83427c478bd9Sstevel@tonic-gate } 83437c478bd9Sstevel@tonic-gate 83447c478bd9Sstevel@tonic-gate /* Initialize the fields in the ddi_umem_cookie */ 83457c478bd9Sstevel@tonic-gate p->cvaddr = addr; 83467c478bd9Sstevel@tonic-gate p->type = UMEM_LOCKED; 83477c478bd9Sstevel@tonic-gate p->cook_refcnt = 1; 83487c478bd9Sstevel@tonic-gate 83497c478bd9Sstevel@tonic-gate *cookie = (ddi_umem_cookie_t)p; 83507c478bd9Sstevel@tonic-gate return (error); 83517c478bd9Sstevel@tonic-gate } 83527c478bd9Sstevel@tonic-gate 83537c478bd9Sstevel@tonic-gate /* 83547c478bd9Sstevel@tonic-gate * Add the cookie to the ddi_umem_unlock list. Pages will be 83557c478bd9Sstevel@tonic-gate * unlocked by i_ddi_umem_unlock_thread. 83567c478bd9Sstevel@tonic-gate */ 83577c478bd9Sstevel@tonic-gate 83587c478bd9Sstevel@tonic-gate void 83597c478bd9Sstevel@tonic-gate ddi_umem_unlock(ddi_umem_cookie_t cookie) 83607c478bd9Sstevel@tonic-gate { 83617c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 83627c478bd9Sstevel@tonic-gate 83637c478bd9Sstevel@tonic-gate ASSERT(p->type == UMEM_LOCKED); 83647c478bd9Sstevel@tonic-gate ASSERT(CPU_ON_INTR(CPU) == 0); /* cannot be high level */ 83657c478bd9Sstevel@tonic-gate ASSERT(ddi_umem_unlock_thread != NULL); 83667c478bd9Sstevel@tonic-gate 83677c478bd9Sstevel@tonic-gate p->unl_forw = (struct ddi_umem_cookie *)NULL; /* end of list */ 83687c478bd9Sstevel@tonic-gate mutex_enter(&ddi_umem_unlock_mutex); 83697c478bd9Sstevel@tonic-gate if (ddi_umem_unlock_head == NULL) { 83707c478bd9Sstevel@tonic-gate ddi_umem_unlock_head = ddi_umem_unlock_tail = p; 83717c478bd9Sstevel@tonic-gate cv_broadcast(&ddi_umem_unlock_cv); 83727c478bd9Sstevel@tonic-gate } else { 83737c478bd9Sstevel@tonic-gate ddi_umem_unlock_tail->unl_forw = p; 83747c478bd9Sstevel@tonic-gate ddi_umem_unlock_tail = p; 83757c478bd9Sstevel@tonic-gate } 83767c478bd9Sstevel@tonic-gate mutex_exit(&ddi_umem_unlock_mutex); 83777c478bd9Sstevel@tonic-gate } 83787c478bd9Sstevel@tonic-gate 83797c478bd9Sstevel@tonic-gate /* 83807c478bd9Sstevel@tonic-gate * Create a buf structure from a ddi_umem_cookie 83817c478bd9Sstevel@tonic-gate * cookie - is a ddi_umem_cookie for from ddi_umem_lock and ddi_umem_alloc 83827c478bd9Sstevel@tonic-gate * (only UMEM_LOCKED & KMEM_NON_PAGEABLE types supported) 83837c478bd9Sstevel@tonic-gate * off, len - identifies the portion of the memory represented by the cookie 83847c478bd9Sstevel@tonic-gate * that the buf points to. 83857c478bd9Sstevel@tonic-gate * NOTE: off, len need to follow the alignment/size restrictions of the 83867c478bd9Sstevel@tonic-gate * device (dev) that this buf will be passed to. Some devices 83877c478bd9Sstevel@tonic-gate * will accept unrestricted alignment/size, whereas others (such as 83887c478bd9Sstevel@tonic-gate * st) require some block-size alignment/size. It is the caller's 83897c478bd9Sstevel@tonic-gate * responsibility to ensure that the alignment/size restrictions 83907c478bd9Sstevel@tonic-gate * are met (we cannot assert as we do not know the restrictions) 83917c478bd9Sstevel@tonic-gate * 83927c478bd9Sstevel@tonic-gate * direction - is one of B_READ or B_WRITE and needs to be compatible with 83937c478bd9Sstevel@tonic-gate * the flags used in ddi_umem_lock 83947c478bd9Sstevel@tonic-gate * 83957c478bd9Sstevel@tonic-gate * The following three arguments are used to initialize fields in the 83967c478bd9Sstevel@tonic-gate * buf structure and are uninterpreted by this routine. 83977c478bd9Sstevel@tonic-gate * 83987c478bd9Sstevel@tonic-gate * dev 83997c478bd9Sstevel@tonic-gate * blkno 84007c478bd9Sstevel@tonic-gate * iodone 84017c478bd9Sstevel@tonic-gate * 84027c478bd9Sstevel@tonic-gate * sleepflag - is one of DDI_UMEM_SLEEP or DDI_UMEM_NOSLEEP 84037c478bd9Sstevel@tonic-gate * 84047c478bd9Sstevel@tonic-gate * Returns a buf structure pointer on success (to be freed by freerbuf) 84057c478bd9Sstevel@tonic-gate * NULL on any parameter error or memory alloc failure 84067c478bd9Sstevel@tonic-gate * 84077c478bd9Sstevel@tonic-gate */ 84087c478bd9Sstevel@tonic-gate struct buf * 84097c478bd9Sstevel@tonic-gate ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, 84107c478bd9Sstevel@tonic-gate int direction, dev_t dev, daddr_t blkno, 84117c478bd9Sstevel@tonic-gate int (*iodone)(struct buf *), int sleepflag) 84127c478bd9Sstevel@tonic-gate { 84137c478bd9Sstevel@tonic-gate struct ddi_umem_cookie *p = (struct ddi_umem_cookie *)cookie; 84147c478bd9Sstevel@tonic-gate struct buf *bp; 84157c478bd9Sstevel@tonic-gate 84167c478bd9Sstevel@tonic-gate /* 84177c478bd9Sstevel@tonic-gate * check for valid cookie offset, len 84187c478bd9Sstevel@tonic-gate */ 84197c478bd9Sstevel@tonic-gate if ((off + len) > p->size) { 84207c478bd9Sstevel@tonic-gate return (NULL); 84217c478bd9Sstevel@tonic-gate } 84227c478bd9Sstevel@tonic-gate 84237c478bd9Sstevel@tonic-gate if (len > p->size) { 84247c478bd9Sstevel@tonic-gate return (NULL); 84257c478bd9Sstevel@tonic-gate } 84267c478bd9Sstevel@tonic-gate 84277c478bd9Sstevel@tonic-gate /* direction has to be one of B_READ or B_WRITE */ 84287c478bd9Sstevel@tonic-gate if ((direction != B_READ) && (direction != B_WRITE)) { 84297c478bd9Sstevel@tonic-gate return (NULL); 84307c478bd9Sstevel@tonic-gate } 84317c478bd9Sstevel@tonic-gate 84327c478bd9Sstevel@tonic-gate /* These are the only two valid sleepflags */ 84337c478bd9Sstevel@tonic-gate if ((sleepflag != DDI_UMEM_SLEEP) && (sleepflag != DDI_UMEM_NOSLEEP)) { 84347c478bd9Sstevel@tonic-gate return (NULL); 84357c478bd9Sstevel@tonic-gate } 84367c478bd9Sstevel@tonic-gate 84377c478bd9Sstevel@tonic-gate /* 84387c478bd9Sstevel@tonic-gate * Only cookies of type UMEM_LOCKED and KMEM_NON_PAGEABLE are supported 84397c478bd9Sstevel@tonic-gate */ 84407c478bd9Sstevel@tonic-gate if ((p->type != UMEM_LOCKED) && (p->type != KMEM_NON_PAGEABLE)) { 84417c478bd9Sstevel@tonic-gate return (NULL); 84427c478bd9Sstevel@tonic-gate } 84437c478bd9Sstevel@tonic-gate 84447c478bd9Sstevel@tonic-gate /* If type is KMEM_NON_PAGEABLE procp is NULL */ 84457c478bd9Sstevel@tonic-gate ASSERT((p->type == KMEM_NON_PAGEABLE) ? 84467c478bd9Sstevel@tonic-gate (p->procp == NULL) : (p->procp != NULL)); 84477c478bd9Sstevel@tonic-gate 84487c478bd9Sstevel@tonic-gate bp = kmem_alloc(sizeof (struct buf), sleepflag); 84497c478bd9Sstevel@tonic-gate if (bp == NULL) { 84507c478bd9Sstevel@tonic-gate return (NULL); 84517c478bd9Sstevel@tonic-gate } 84527c478bd9Sstevel@tonic-gate bioinit(bp); 84537c478bd9Sstevel@tonic-gate 84547c478bd9Sstevel@tonic-gate bp->b_flags = B_BUSY | B_PHYS | direction; 84557c478bd9Sstevel@tonic-gate bp->b_edev = dev; 84567c478bd9Sstevel@tonic-gate bp->b_lblkno = blkno; 84577c478bd9Sstevel@tonic-gate bp->b_iodone = iodone; 84587c478bd9Sstevel@tonic-gate bp->b_bcount = len; 84597c478bd9Sstevel@tonic-gate bp->b_proc = (proc_t *)p->procp; 84607c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 84617c478bd9Sstevel@tonic-gate bp->b_un.b_addr = (caddr_t)((uintptr_t)(p->cvaddr) + off); 84627c478bd9Sstevel@tonic-gate if (p->pparray != NULL) { 84637c478bd9Sstevel@tonic-gate bp->b_flags |= B_SHADOW; 84647c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)(p->cvaddr) & PAGEOFFSET) == 0); 84657c478bd9Sstevel@tonic-gate bp->b_shadow = p->pparray + btop(off); 84667c478bd9Sstevel@tonic-gate } 84677c478bd9Sstevel@tonic-gate return (bp); 84687c478bd9Sstevel@tonic-gate } 84697c478bd9Sstevel@tonic-gate 84707c478bd9Sstevel@tonic-gate /* 84717c478bd9Sstevel@tonic-gate * Fault-handling and related routines 84727c478bd9Sstevel@tonic-gate */ 84737c478bd9Sstevel@tonic-gate 84747c478bd9Sstevel@tonic-gate ddi_devstate_t 84757c478bd9Sstevel@tonic-gate ddi_get_devstate(dev_info_t *dip) 84767c478bd9Sstevel@tonic-gate { 84777c478bd9Sstevel@tonic-gate if (DEVI_IS_DEVICE_OFFLINE(dip)) 84787c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_OFFLINE); 84797c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DOWN(dip) || DEVI_IS_BUS_DOWN(dip)) 84807c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DOWN); 84817c478bd9Sstevel@tonic-gate else if (DEVI_IS_BUS_QUIESCED(dip)) 84827c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_QUIESCED); 84837c478bd9Sstevel@tonic-gate else if (DEVI_IS_DEVICE_DEGRADED(dip)) 84847c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_DEGRADED); 84857c478bd9Sstevel@tonic-gate else 84867c478bd9Sstevel@tonic-gate return (DDI_DEVSTATE_UP); 84877c478bd9Sstevel@tonic-gate } 84887c478bd9Sstevel@tonic-gate 84897c478bd9Sstevel@tonic-gate void 84907c478bd9Sstevel@tonic-gate ddi_dev_report_fault(dev_info_t *dip, ddi_fault_impact_t impact, 84917c478bd9Sstevel@tonic-gate ddi_fault_location_t location, const char *message) 84927c478bd9Sstevel@tonic-gate { 84937c478bd9Sstevel@tonic-gate struct ddi_fault_event_data fd; 84947c478bd9Sstevel@tonic-gate ddi_eventcookie_t ec; 84957c478bd9Sstevel@tonic-gate 84967c478bd9Sstevel@tonic-gate /* 84977c478bd9Sstevel@tonic-gate * Assemble all the information into a fault-event-data structure 84987c478bd9Sstevel@tonic-gate */ 84997c478bd9Sstevel@tonic-gate fd.f_dip = dip; 85007c478bd9Sstevel@tonic-gate fd.f_impact = impact; 85017c478bd9Sstevel@tonic-gate fd.f_location = location; 85027c478bd9Sstevel@tonic-gate fd.f_message = message; 85037c478bd9Sstevel@tonic-gate fd.f_oldstate = ddi_get_devstate(dip); 85047c478bd9Sstevel@tonic-gate 85057c478bd9Sstevel@tonic-gate /* 85067c478bd9Sstevel@tonic-gate * Get eventcookie from defining parent. 85077c478bd9Sstevel@tonic-gate */ 85087c478bd9Sstevel@tonic-gate if (ddi_get_eventcookie(dip, DDI_DEVI_FAULT_EVENT, &ec) != 85097c478bd9Sstevel@tonic-gate DDI_SUCCESS) 85107c478bd9Sstevel@tonic-gate return; 85117c478bd9Sstevel@tonic-gate 85127c478bd9Sstevel@tonic-gate (void) ndi_post_event(dip, dip, ec, &fd); 85137c478bd9Sstevel@tonic-gate } 85147c478bd9Sstevel@tonic-gate 85157c478bd9Sstevel@tonic-gate char * 85167c478bd9Sstevel@tonic-gate i_ddi_devi_class(dev_info_t *dip) 85177c478bd9Sstevel@tonic-gate { 85187c478bd9Sstevel@tonic-gate return (DEVI(dip)->devi_device_class); 85197c478bd9Sstevel@tonic-gate } 85207c478bd9Sstevel@tonic-gate 85217c478bd9Sstevel@tonic-gate int 85227c478bd9Sstevel@tonic-gate i_ddi_set_devi_class(dev_info_t *dip, char *devi_class, int flag) 85237c478bd9Sstevel@tonic-gate { 85247c478bd9Sstevel@tonic-gate struct dev_info *devi = DEVI(dip); 85257c478bd9Sstevel@tonic-gate 85267c478bd9Sstevel@tonic-gate mutex_enter(&devi->devi_lock); 85277c478bd9Sstevel@tonic-gate 85287c478bd9Sstevel@tonic-gate if (devi->devi_device_class) 85297c478bd9Sstevel@tonic-gate kmem_free(devi->devi_device_class, 85307c478bd9Sstevel@tonic-gate strlen(devi->devi_device_class) + 1); 85317c478bd9Sstevel@tonic-gate 85327c478bd9Sstevel@tonic-gate if ((devi->devi_device_class = i_ddi_strdup(devi_class, flag)) 85337c478bd9Sstevel@tonic-gate != NULL) { 85347c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 85357c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 85367c478bd9Sstevel@tonic-gate } 85377c478bd9Sstevel@tonic-gate 85387c478bd9Sstevel@tonic-gate mutex_exit(&devi->devi_lock); 85397c478bd9Sstevel@tonic-gate 85407c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 85417c478bd9Sstevel@tonic-gate } 85427c478bd9Sstevel@tonic-gate 85437c478bd9Sstevel@tonic-gate 85447c478bd9Sstevel@tonic-gate /* 85457c478bd9Sstevel@tonic-gate * Task Queues DDI interfaces. 85467c478bd9Sstevel@tonic-gate */ 85477c478bd9Sstevel@tonic-gate 85487c478bd9Sstevel@tonic-gate /* ARGSUSED */ 85497c478bd9Sstevel@tonic-gate ddi_taskq_t * 85507c478bd9Sstevel@tonic-gate ddi_taskq_create(dev_info_t *dip, const char *name, int nthreads, 85517c478bd9Sstevel@tonic-gate pri_t pri, uint_t cflags) 85527c478bd9Sstevel@tonic-gate { 85537c478bd9Sstevel@tonic-gate char full_name[TASKQ_NAMELEN]; 85547c478bd9Sstevel@tonic-gate const char *tq_name; 85557c478bd9Sstevel@tonic-gate int nodeid = 0; 85567c478bd9Sstevel@tonic-gate 85577c478bd9Sstevel@tonic-gate if (dip == NULL) 85587c478bd9Sstevel@tonic-gate tq_name = name; 85597c478bd9Sstevel@tonic-gate else { 85607c478bd9Sstevel@tonic-gate nodeid = ddi_get_instance(dip); 85617c478bd9Sstevel@tonic-gate 85627c478bd9Sstevel@tonic-gate if (name == NULL) 85637c478bd9Sstevel@tonic-gate name = "tq"; 85647c478bd9Sstevel@tonic-gate 85657c478bd9Sstevel@tonic-gate (void) snprintf(full_name, sizeof (full_name), "%s_%s", 85667c478bd9Sstevel@tonic-gate ddi_driver_name(dip), name); 85677c478bd9Sstevel@tonic-gate 85687c478bd9Sstevel@tonic-gate tq_name = full_name; 85697c478bd9Sstevel@tonic-gate } 85707c478bd9Sstevel@tonic-gate 85717c478bd9Sstevel@tonic-gate return ((ddi_taskq_t *)taskq_create_instance(tq_name, nodeid, nthreads, 85727c478bd9Sstevel@tonic-gate pri == TASKQ_DEFAULTPRI ? minclsyspri : pri, 85737c478bd9Sstevel@tonic-gate nthreads, INT_MAX, TASKQ_PREPOPULATE)); 85747c478bd9Sstevel@tonic-gate } 85757c478bd9Sstevel@tonic-gate 85767c478bd9Sstevel@tonic-gate void 85777c478bd9Sstevel@tonic-gate ddi_taskq_destroy(ddi_taskq_t *tq) 85787c478bd9Sstevel@tonic-gate { 85797c478bd9Sstevel@tonic-gate taskq_destroy((taskq_t *)tq); 85807c478bd9Sstevel@tonic-gate } 85817c478bd9Sstevel@tonic-gate 85827c478bd9Sstevel@tonic-gate int 85837c478bd9Sstevel@tonic-gate ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 85847c478bd9Sstevel@tonic-gate void *arg, uint_t dflags) 85857c478bd9Sstevel@tonic-gate { 85867c478bd9Sstevel@tonic-gate taskqid_t id = taskq_dispatch((taskq_t *)tq, func, arg, 85877c478bd9Sstevel@tonic-gate dflags == DDI_SLEEP ? TQ_SLEEP : TQ_NOSLEEP); 85887c478bd9Sstevel@tonic-gate 85897c478bd9Sstevel@tonic-gate return (id != 0 ? DDI_SUCCESS : DDI_FAILURE); 85907c478bd9Sstevel@tonic-gate } 85917c478bd9Sstevel@tonic-gate 85927c478bd9Sstevel@tonic-gate void 85937c478bd9Sstevel@tonic-gate ddi_taskq_wait(ddi_taskq_t *tq) 85947c478bd9Sstevel@tonic-gate { 85957c478bd9Sstevel@tonic-gate taskq_wait((taskq_t *)tq); 85967c478bd9Sstevel@tonic-gate } 85977c478bd9Sstevel@tonic-gate 85987c478bd9Sstevel@tonic-gate void 85997c478bd9Sstevel@tonic-gate ddi_taskq_suspend(ddi_taskq_t *tq) 86007c478bd9Sstevel@tonic-gate { 86017c478bd9Sstevel@tonic-gate taskq_suspend((taskq_t *)tq); 86027c478bd9Sstevel@tonic-gate } 86037c478bd9Sstevel@tonic-gate 86047c478bd9Sstevel@tonic-gate boolean_t 86057c478bd9Sstevel@tonic-gate ddi_taskq_suspended(ddi_taskq_t *tq) 86067c478bd9Sstevel@tonic-gate { 86077c478bd9Sstevel@tonic-gate return (taskq_suspended((taskq_t *)tq)); 86087c478bd9Sstevel@tonic-gate } 86097c478bd9Sstevel@tonic-gate 86107c478bd9Sstevel@tonic-gate void 86117c478bd9Sstevel@tonic-gate ddi_taskq_resume(ddi_taskq_t *tq) 86127c478bd9Sstevel@tonic-gate { 86137c478bd9Sstevel@tonic-gate taskq_resume((taskq_t *)tq); 86147c478bd9Sstevel@tonic-gate } 86157c478bd9Sstevel@tonic-gate 86167c478bd9Sstevel@tonic-gate int 86177c478bd9Sstevel@tonic-gate ddi_parse( 86187c478bd9Sstevel@tonic-gate const char *ifname, 86197c478bd9Sstevel@tonic-gate char *alnum, 86207c478bd9Sstevel@tonic-gate uint_t *nump) 86217c478bd9Sstevel@tonic-gate { 86227c478bd9Sstevel@tonic-gate const char *p; 86237c478bd9Sstevel@tonic-gate int l; 86247c478bd9Sstevel@tonic-gate ulong_t num; 86257c478bd9Sstevel@tonic-gate boolean_t nonum = B_TRUE; 86267c478bd9Sstevel@tonic-gate char c; 86277c478bd9Sstevel@tonic-gate 86287c478bd9Sstevel@tonic-gate l = strlen(ifname); 86297c478bd9Sstevel@tonic-gate for (p = ifname + l; p != ifname; l--) { 86307c478bd9Sstevel@tonic-gate c = *--p; 86317c478bd9Sstevel@tonic-gate if (!isdigit(c)) { 86327c478bd9Sstevel@tonic-gate (void) strlcpy(alnum, ifname, l + 1); 86337c478bd9Sstevel@tonic-gate if (ddi_strtoul(p + 1, NULL, 10, &num) != 0) 86347c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 86357c478bd9Sstevel@tonic-gate break; 86367c478bd9Sstevel@tonic-gate } 86377c478bd9Sstevel@tonic-gate nonum = B_FALSE; 86387c478bd9Sstevel@tonic-gate } 86397c478bd9Sstevel@tonic-gate if (l == 0 || nonum) 86407c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 86417c478bd9Sstevel@tonic-gate 86427c478bd9Sstevel@tonic-gate *nump = num; 86437c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 86447c478bd9Sstevel@tonic-gate } 8645