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 */ 228309866bSanish 237c478bd9Sstevel@tonic-gate /* 248309866bSanish * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 257c478bd9Sstevel@tonic-gate * Use is subject to license terms. 267c478bd9Sstevel@tonic-gate */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * Interfaces for getting device configuration data from kernel 327c478bd9Sstevel@tonic-gate * through the devinfo driver. 337c478bd9Sstevel@tonic-gate */ 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate #include <stdio.h> 367c478bd9Sstevel@tonic-gate #include <stdlib.h> 377c478bd9Sstevel@tonic-gate #include <string.h> 387c478bd9Sstevel@tonic-gate #include <strings.h> 397c478bd9Sstevel@tonic-gate #include <stropts.h> 407c478bd9Sstevel@tonic-gate #include <fcntl.h> 417c478bd9Sstevel@tonic-gate #include <poll.h> 427c478bd9Sstevel@tonic-gate #include <synch.h> 437c478bd9Sstevel@tonic-gate #include <unistd.h> 447c478bd9Sstevel@tonic-gate #include <sys/mkdev.h> 457c478bd9Sstevel@tonic-gate #include <sys/obpdefs.h> 467c478bd9Sstevel@tonic-gate #include <sys/stat.h> 477c478bd9Sstevel@tonic-gate #include <sys/types.h> 487c478bd9Sstevel@tonic-gate #include <sys/time.h> 497c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 507c478bd9Sstevel@tonic-gate #include <stdarg.h> 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #define NDEBUG 1 537c478bd9Sstevel@tonic-gate #include <assert.h> 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate #include "libdevinfo.h" 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* 587c478bd9Sstevel@tonic-gate * Debug message levels 597c478bd9Sstevel@tonic-gate */ 607c478bd9Sstevel@tonic-gate typedef enum { 617c478bd9Sstevel@tonic-gate DI_QUIET = 0, /* No debug messages - the default */ 627c478bd9Sstevel@tonic-gate DI_ERR = 1, 637c478bd9Sstevel@tonic-gate DI_INFO, 647c478bd9Sstevel@tonic-gate DI_TRACE, 657c478bd9Sstevel@tonic-gate DI_TRACE1, 667c478bd9Sstevel@tonic-gate DI_TRACE2 677c478bd9Sstevel@tonic-gate } di_debug_t; 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate int di_debug = DI_QUIET; 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate #define DPRINTF(args) { if (di_debug != DI_QUIET) dprint args; } 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate void dprint(di_debug_t msglevel, const char *fmt, ...); 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate #pragma init(_libdevinfo_init) 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate void 797c478bd9Sstevel@tonic-gate _libdevinfo_init() 807c478bd9Sstevel@tonic-gate { 817c478bd9Sstevel@tonic-gate char *debug_str = getenv("_LIBDEVINFO_DEBUG"); 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate if (debug_str) { 847c478bd9Sstevel@tonic-gate errno = 0; 857c478bd9Sstevel@tonic-gate di_debug = atoi(debug_str); 867c478bd9Sstevel@tonic-gate if (errno || di_debug < DI_QUIET) 877c478bd9Sstevel@tonic-gate di_debug = DI_QUIET; 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate } 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate di_node_t 927c478bd9Sstevel@tonic-gate di_init(const char *phys_path, uint_t flag) 937c478bd9Sstevel@tonic-gate { 947c478bd9Sstevel@tonic-gate return (di_init_impl(phys_path, flag, NULL)); 957c478bd9Sstevel@tonic-gate } 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /* 987c478bd9Sstevel@tonic-gate * We use blocking_open() to guarantee access to the devinfo device, if open() 997c478bd9Sstevel@tonic-gate * is failing with EAGAIN. 1007c478bd9Sstevel@tonic-gate */ 1017c478bd9Sstevel@tonic-gate static int 1027c478bd9Sstevel@tonic-gate blocking_open(const char *path, int oflag) 1037c478bd9Sstevel@tonic-gate { 1047c478bd9Sstevel@tonic-gate int fd; 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate while ((fd = open(path, oflag)) == -1 && errno == EAGAIN) 1077c478bd9Sstevel@tonic-gate (void) poll(NULL, 0, 1 * MILLISEC); 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate return (fd); 1107c478bd9Sstevel@tonic-gate } 1117c478bd9Sstevel@tonic-gate 1127c478bd9Sstevel@tonic-gate /* private interface */ 1137c478bd9Sstevel@tonic-gate di_node_t 1147c478bd9Sstevel@tonic-gate di_init_driver(const char *drv_name, uint_t flag) 1157c478bd9Sstevel@tonic-gate { 1167c478bd9Sstevel@tonic-gate int fd; 1177c478bd9Sstevel@tonic-gate char driver[MAXPATHLEN]; 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* 1207c478bd9Sstevel@tonic-gate * Don't allow drv_name to exceed MAXPATHLEN - 1, or 1023, 1217c478bd9Sstevel@tonic-gate * which should be sufficient for any sensible programmer. 1227c478bd9Sstevel@tonic-gate */ 1237c478bd9Sstevel@tonic-gate if ((drv_name == NULL) || (strlen(drv_name) >= MAXPATHLEN)) { 1247c478bd9Sstevel@tonic-gate errno = EINVAL; 1257c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1267c478bd9Sstevel@tonic-gate } 1277c478bd9Sstevel@tonic-gate (void) strcpy(driver, drv_name); 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* 1307c478bd9Sstevel@tonic-gate * open the devinfo driver 1317c478bd9Sstevel@tonic-gate */ 1327c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 1337c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 1347c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", errno)); 1357c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1367c478bd9Sstevel@tonic-gate } 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOLODRV, driver) != 0) { 1397c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to load driver %s\n", driver)); 1407c478bd9Sstevel@tonic-gate (void) close(fd); 1417c478bd9Sstevel@tonic-gate errno = ENXIO; 1427c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1437c478bd9Sstevel@tonic-gate } 1447c478bd9Sstevel@tonic-gate (void) close(fd); 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate /* 1477c478bd9Sstevel@tonic-gate * Driver load succeeded, return a snapshot 1487c478bd9Sstevel@tonic-gate */ 1497c478bd9Sstevel@tonic-gate return (di_init("/", flag)); 1507c478bd9Sstevel@tonic-gate } 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate di_node_t 1537c478bd9Sstevel@tonic-gate di_init_impl(const char *phys_path, uint_t flag, 1547c478bd9Sstevel@tonic-gate struct di_priv_data *priv) 1557c478bd9Sstevel@tonic-gate { 1567c478bd9Sstevel@tonic-gate caddr_t pa; 1577c478bd9Sstevel@tonic-gate int fd, map_size; 1587c478bd9Sstevel@tonic-gate struct di_all *dap; 1597c478bd9Sstevel@tonic-gate struct dinfo_io dinfo_io; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate uint_t pageoffset = sysconf(_SC_PAGESIZE) - 1; 1627c478bd9Sstevel@tonic-gate uint_t pagemask = ~pageoffset; 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_init: taking a snapshot\n")); 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate /* 1677c478bd9Sstevel@tonic-gate * Make sure there is no minor name in the path 1687c478bd9Sstevel@tonic-gate * and the path do not start with /devices.... 1697c478bd9Sstevel@tonic-gate */ 1707c478bd9Sstevel@tonic-gate if (strchr(phys_path, ':') || 1717c478bd9Sstevel@tonic-gate (strncmp(phys_path, "/devices", 8) == 0) || 1727c478bd9Sstevel@tonic-gate (strlen(phys_path) > MAXPATHLEN)) { 1737c478bd9Sstevel@tonic-gate errno = EINVAL; 1747c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate if (strlen(phys_path) == 0) 1787c478bd9Sstevel@tonic-gate (void) sprintf(dinfo_io.root_path, "/"); 1797c478bd9Sstevel@tonic-gate else if (*phys_path != '/') 1807c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1817c478bd9Sstevel@tonic-gate "/%s", phys_path); 1827c478bd9Sstevel@tonic-gate else 1837c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1847c478bd9Sstevel@tonic-gate "%s", phys_path); 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate /* 1877c478bd9Sstevel@tonic-gate * If private data is requested, copy the format specification 1887c478bd9Sstevel@tonic-gate */ 1897c478bd9Sstevel@tonic-gate if (flag & DINFOPRIVDATA & 0xff) { 1907c478bd9Sstevel@tonic-gate if (priv) 1917c478bd9Sstevel@tonic-gate bcopy(priv, &dinfo_io.priv, 1927c478bd9Sstevel@tonic-gate sizeof (struct di_priv_data)); 1937c478bd9Sstevel@tonic-gate else { 1947c478bd9Sstevel@tonic-gate errno = EINVAL; 1957c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1967c478bd9Sstevel@tonic-gate } 1977c478bd9Sstevel@tonic-gate } 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate /* 2007c478bd9Sstevel@tonic-gate * Attempt to open the devinfo driver. Make a second attempt at the 2017c478bd9Sstevel@tonic-gate * read-only minor node if we don't have privileges to open the full 2027c478bd9Sstevel@tonic-gate * version _and_ if we're not requesting operations that the read-only 2037c478bd9Sstevel@tonic-gate * node can't perform. (Setgid processes would fail an access() test, 2047c478bd9Sstevel@tonic-gate * of course.) 2057c478bd9Sstevel@tonic-gate */ 2067c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 2077c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2087c478bd9Sstevel@tonic-gate if ((flag & DINFOFORCE) == DINFOFORCE || 2097c478bd9Sstevel@tonic-gate (flag & DINFOPRIVDATA) == DINFOPRIVDATA) { 2107c478bd9Sstevel@tonic-gate /* 2117c478bd9Sstevel@tonic-gate * We wanted to perform a privileged operation, but the 2127c478bd9Sstevel@tonic-gate * privileged node isn't available. Don't modify errno 2137c478bd9Sstevel@tonic-gate * on our way out (but display it if we're running with 2147c478bd9Sstevel@tonic-gate * di_debug set). 2157c478bd9Sstevel@tonic-gate */ 2167c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2177c478bd9Sstevel@tonic-gate errno)); 2187c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2197c478bd9Sstevel@tonic-gate } 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo,ro", 2227c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2237c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2247c478bd9Sstevel@tonic-gate errno)); 2257c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2267c478bd9Sstevel@tonic-gate } 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate /* 2307c478bd9Sstevel@tonic-gate * Verify that there is no major conflict, i.e., we are indeed opening 2317c478bd9Sstevel@tonic-gate * the devinfo driver. 2327c478bd9Sstevel@tonic-gate */ 2337c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOIDENT, NULL) != DI_MAGIC) { 2347c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, 2357c478bd9Sstevel@tonic-gate "driver ID failed; check for major conflict\n")); 2367c478bd9Sstevel@tonic-gate (void) close(fd); 2377c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2387c478bd9Sstevel@tonic-gate } 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate /* 2417c478bd9Sstevel@tonic-gate * create snapshot 2427c478bd9Sstevel@tonic-gate */ 2437c478bd9Sstevel@tonic-gate if ((map_size = ioctl(fd, flag, &dinfo_io)) < 0) { 2447c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo ioctl failed with " 2457c478bd9Sstevel@tonic-gate "error: %d\n", errno)); 2467c478bd9Sstevel@tonic-gate (void) close(fd); 2477c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2487c478bd9Sstevel@tonic-gate } else if (map_size == 0) { 2497c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2507c478bd9Sstevel@tonic-gate errno = ENXIO; 2517c478bd9Sstevel@tonic-gate (void) close(fd); 2527c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2537c478bd9Sstevel@tonic-gate } 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate /* 2567c478bd9Sstevel@tonic-gate * copy snapshot to userland 2577c478bd9Sstevel@tonic-gate */ 2587c478bd9Sstevel@tonic-gate map_size = (map_size + pageoffset) & pagemask; 2597c478bd9Sstevel@tonic-gate if ((pa = valloc(map_size)) == NULL) { 2607c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "valloc failed for snapshot\n")); 2617c478bd9Sstevel@tonic-gate (void) close(fd); 2627c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2637c478bd9Sstevel@tonic-gate } 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOUSRLD, pa) != map_size) { 2667c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to copy snapshot to usrld\n")); 2677c478bd9Sstevel@tonic-gate (void) close(fd); 2687c478bd9Sstevel@tonic-gate free(pa); 2697c478bd9Sstevel@tonic-gate errno = EFAULT; 2707c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2717c478bd9Sstevel@tonic-gate } 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate (void) close(fd); 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate dap = DI_ALL(pa); 2767c478bd9Sstevel@tonic-gate if (dap->top_devinfo == 0) { /* phys_path not found */ 2777c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2787c478bd9Sstevel@tonic-gate free(pa); 2797c478bd9Sstevel@tonic-gate errno = EINVAL; 2807c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2817c478bd9Sstevel@tonic-gate } 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate return (DI_NODE(pa + dap->top_devinfo)); 2847c478bd9Sstevel@tonic-gate } 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate void 2877c478bd9Sstevel@tonic-gate di_fini(di_node_t root) 2887c478bd9Sstevel@tonic-gate { 2897c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_fini: freeing a snapshot\n")); 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* 2947c478bd9Sstevel@tonic-gate * paranoid checking 2957c478bd9Sstevel@tonic-gate */ 2967c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 2977c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_fini called with NIL arg\n")); 2987c478bd9Sstevel@tonic-gate return; 2997c478bd9Sstevel@tonic-gate } 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate /* 3027c478bd9Sstevel@tonic-gate * The root contains its own offset--self. 3037c478bd9Sstevel@tonic-gate * Subtracting it from root address, we get the starting addr. 3047c478bd9Sstevel@tonic-gate * The map_size is stored at the beginning of snapshot. 3057c478bd9Sstevel@tonic-gate * Once we have starting address and size, we can free(). 3067c478bd9Sstevel@tonic-gate */ 3077c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate free(pa); 3107c478bd9Sstevel@tonic-gate } 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate di_node_t 3137c478bd9Sstevel@tonic-gate di_parent_node(di_node_t node) 3147c478bd9Sstevel@tonic-gate { 3157c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3187c478bd9Sstevel@tonic-gate errno = EINVAL; 3197c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3207c478bd9Sstevel@tonic-gate } 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get parent of node %s\n", di_node_name(node))); 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent) { 3277c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->parent)); 3287c478bd9Sstevel@tonic-gate } 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate /* 3317c478bd9Sstevel@tonic-gate * Deal with error condition: 3327c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 3337c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 3347c478bd9Sstevel@tonic-gate */ 3357c478bd9Sstevel@tonic-gate if (strcmp(DI_ALL(pa)->root_path, "/") != 0) 3367c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3377c478bd9Sstevel@tonic-gate else 3387c478bd9Sstevel@tonic-gate errno = ENXIO; 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3417c478bd9Sstevel@tonic-gate } 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate di_node_t 3447c478bd9Sstevel@tonic-gate di_sibling_node(di_node_t node) 3457c478bd9Sstevel@tonic-gate { 3467c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3497c478bd9Sstevel@tonic-gate errno = EINVAL; 3507c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3517c478bd9Sstevel@tonic-gate } 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get sibling of node %s\n", di_node_name(node))); 3547c478bd9Sstevel@tonic-gate 3557c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate if (DI_NODE(node)->sibling) { 3587c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->sibling)); 3597c478bd9Sstevel@tonic-gate } 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate /* 3627c478bd9Sstevel@tonic-gate * Deal with error condition: 3637c478bd9Sstevel@tonic-gate * Sibling doesn't exist, figure out if ioctl command 3647c478bd9Sstevel@tonic-gate * has DINFOSUBTREE set. If it doesn't, set errno to 3657c478bd9Sstevel@tonic-gate * ENOTSUP. 3667c478bd9Sstevel@tonic-gate */ 3677c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 3687c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3697c478bd9Sstevel@tonic-gate else 3707c478bd9Sstevel@tonic-gate errno = ENXIO; 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3737c478bd9Sstevel@tonic-gate } 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate di_node_t 3767c478bd9Sstevel@tonic-gate di_child_node(di_node_t node) 3777c478bd9Sstevel@tonic-gate { 3787c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get child of node %s\n", di_node_name(node))); 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3837c478bd9Sstevel@tonic-gate errno = EINVAL; 3847c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3857c478bd9Sstevel@tonic-gate } 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate if (DI_NODE(node)->child) { 3907c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->child)); 3917c478bd9Sstevel@tonic-gate } 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate /* 3947c478bd9Sstevel@tonic-gate * Deal with error condition: 3957c478bd9Sstevel@tonic-gate * Child doesn't exist, figure out if DINFOSUBTREE is set. 3967c478bd9Sstevel@tonic-gate * If it isn't, set errno to ENOTSUP. 3977c478bd9Sstevel@tonic-gate */ 3987c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 3997c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4007c478bd9Sstevel@tonic-gate else 4017c478bd9Sstevel@tonic-gate errno = ENXIO; 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4047c478bd9Sstevel@tonic-gate } 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate di_node_t 4077c478bd9Sstevel@tonic-gate di_drv_first_node(const char *drv_name, di_node_t root) 4087c478bd9Sstevel@tonic-gate { 4097c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4107c478bd9Sstevel@tonic-gate int major, devcnt; 4117c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Get first node of driver %s\n", drv_name)); 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 4167c478bd9Sstevel@tonic-gate errno = EINVAL; 4177c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4187c478bd9Sstevel@tonic-gate } 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate /* 4217c478bd9Sstevel@tonic-gate * get major number of driver 4227c478bd9Sstevel@tonic-gate */ 4237c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 4247c478bd9Sstevel@tonic-gate devcnt = DI_ALL(pa)->devcnt; 4257c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate for (major = 0; major < devcnt; major++) 4287c478bd9Sstevel@tonic-gate if (devnm[major].name && (strcmp(drv_name, 4297c478bd9Sstevel@tonic-gate (char *)(pa + devnm[major].name)) == 0)) 4307c478bd9Sstevel@tonic-gate break; 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate if (major >= devcnt) { 4337c478bd9Sstevel@tonic-gate errno = EINVAL; 4347c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4357c478bd9Sstevel@tonic-gate } 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate if (!(devnm[major].head)) { 4387c478bd9Sstevel@tonic-gate errno = ENXIO; 4397c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4407c478bd9Sstevel@tonic-gate } 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate return (DI_NODE(pa + devnm[major].head)); 4437c478bd9Sstevel@tonic-gate } 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate di_node_t 4467c478bd9Sstevel@tonic-gate di_drv_next_node(di_node_t node) 4477c478bd9Sstevel@tonic-gate { 4487c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4497c478bd9Sstevel@tonic-gate 4507c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 4517c478bd9Sstevel@tonic-gate errno = EINVAL; 4527c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4537c478bd9Sstevel@tonic-gate } 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "next node on per driver list:" 4567c478bd9Sstevel@tonic-gate " current=%s, driver=%s\n", 4577c478bd9Sstevel@tonic-gate di_node_name(node), di_driver_name(node))); 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == (di_off_t)-1) { 4607c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4617c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4627c478bd9Sstevel@tonic-gate } 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == NULL) { 4677c478bd9Sstevel@tonic-gate errno = ENXIO; 4687c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4697c478bd9Sstevel@tonic-gate } 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->next)); 4727c478bd9Sstevel@tonic-gate } 4737c478bd9Sstevel@tonic-gate 4747c478bd9Sstevel@tonic-gate /* 4757c478bd9Sstevel@tonic-gate * Internal library interfaces: 4767c478bd9Sstevel@tonic-gate * node_list etc. for node walking 4777c478bd9Sstevel@tonic-gate */ 4787c478bd9Sstevel@tonic-gate struct node_list { 4797c478bd9Sstevel@tonic-gate struct node_list *next; 4807c478bd9Sstevel@tonic-gate di_node_t node; 4817c478bd9Sstevel@tonic-gate }; 4827c478bd9Sstevel@tonic-gate 4837c478bd9Sstevel@tonic-gate static void 4847c478bd9Sstevel@tonic-gate free_node_list(struct node_list **headp) 4857c478bd9Sstevel@tonic-gate { 4867c478bd9Sstevel@tonic-gate struct node_list *tmp; 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate while (*headp) { 4897c478bd9Sstevel@tonic-gate tmp = *headp; 4907c478bd9Sstevel@tonic-gate *headp = (*headp)->next; 4917c478bd9Sstevel@tonic-gate free(tmp); 4927c478bd9Sstevel@tonic-gate } 4937c478bd9Sstevel@tonic-gate } 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate static void 4967c478bd9Sstevel@tonic-gate append_node_list(struct node_list **headp, struct node_list *list) 4977c478bd9Sstevel@tonic-gate { 4987c478bd9Sstevel@tonic-gate struct node_list *tmp; 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate if (*headp == NULL) { 5017c478bd9Sstevel@tonic-gate *headp = list; 5027c478bd9Sstevel@tonic-gate return; 5037c478bd9Sstevel@tonic-gate } 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate if (list == NULL) /* a minor optimization */ 5067c478bd9Sstevel@tonic-gate return; 5077c478bd9Sstevel@tonic-gate 5087c478bd9Sstevel@tonic-gate tmp = *headp; 5097c478bd9Sstevel@tonic-gate while (tmp->next) 5107c478bd9Sstevel@tonic-gate tmp = tmp->next; 5117c478bd9Sstevel@tonic-gate 5127c478bd9Sstevel@tonic-gate tmp->next = list; 5137c478bd9Sstevel@tonic-gate } 5147c478bd9Sstevel@tonic-gate 5157c478bd9Sstevel@tonic-gate static void 5167c478bd9Sstevel@tonic-gate prepend_node_list(struct node_list **headp, struct node_list *list) 5177c478bd9Sstevel@tonic-gate { 5187c478bd9Sstevel@tonic-gate struct node_list *tmp; 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate if (list == NULL) 5217c478bd9Sstevel@tonic-gate return; 5227c478bd9Sstevel@tonic-gate 5237c478bd9Sstevel@tonic-gate tmp = *headp; 5247c478bd9Sstevel@tonic-gate *headp = list; 5257c478bd9Sstevel@tonic-gate 5267c478bd9Sstevel@tonic-gate if (tmp == NULL) /* a minor optimization */ 5277c478bd9Sstevel@tonic-gate return; 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate while (list->next) 5307c478bd9Sstevel@tonic-gate list = list->next; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate list->next = tmp; 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate /* 5367c478bd9Sstevel@tonic-gate * returns 1 if node is a descendant of parent, 0 otherwise 5377c478bd9Sstevel@tonic-gate */ 5387c478bd9Sstevel@tonic-gate static int 5397c478bd9Sstevel@tonic-gate is_descendant(di_node_t node, di_node_t parent) 5407c478bd9Sstevel@tonic-gate { 5417c478bd9Sstevel@tonic-gate /* 5427c478bd9Sstevel@tonic-gate * DI_NODE_NIL is parent of root, so it is 5437c478bd9Sstevel@tonic-gate * the parent of all nodes. 5447c478bd9Sstevel@tonic-gate */ 5457c478bd9Sstevel@tonic-gate if (parent == DI_NODE_NIL) { 5467c478bd9Sstevel@tonic-gate return (1); 5477c478bd9Sstevel@tonic-gate } 5487c478bd9Sstevel@tonic-gate 5497c478bd9Sstevel@tonic-gate do { 5507c478bd9Sstevel@tonic-gate node = di_parent_node(node); 5517c478bd9Sstevel@tonic-gate } while ((node != DI_NODE_NIL) && (node != parent)); 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate return (node != DI_NODE_NIL); 5547c478bd9Sstevel@tonic-gate } 5557c478bd9Sstevel@tonic-gate 5567c478bd9Sstevel@tonic-gate /* 5577c478bd9Sstevel@tonic-gate * Insert list before the first node which is NOT a descendent of parent. 5587c478bd9Sstevel@tonic-gate * This is needed to reproduce the exact walking order of link generators. 5597c478bd9Sstevel@tonic-gate */ 5607c478bd9Sstevel@tonic-gate static void 5617c478bd9Sstevel@tonic-gate insert_node_list(struct node_list **headp, struct node_list *list, 5627c478bd9Sstevel@tonic-gate di_node_t parent) 5637c478bd9Sstevel@tonic-gate { 5647c478bd9Sstevel@tonic-gate struct node_list *tmp, *tmp1; 5657c478bd9Sstevel@tonic-gate 5667c478bd9Sstevel@tonic-gate if (list == NULL) 5677c478bd9Sstevel@tonic-gate return; 5687c478bd9Sstevel@tonic-gate 5697c478bd9Sstevel@tonic-gate tmp = *headp; 5707c478bd9Sstevel@tonic-gate if (tmp == NULL) { /* a minor optimization */ 5717c478bd9Sstevel@tonic-gate *headp = list; 5727c478bd9Sstevel@tonic-gate return; 5737c478bd9Sstevel@tonic-gate } 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate if (!is_descendant(tmp->node, parent)) { 5767c478bd9Sstevel@tonic-gate prepend_node_list(headp, list); 5777c478bd9Sstevel@tonic-gate return; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate /* 5817c478bd9Sstevel@tonic-gate * Find first node which is not a descendant 5827c478bd9Sstevel@tonic-gate */ 5837c478bd9Sstevel@tonic-gate while (tmp->next && is_descendant(tmp->next->node, parent)) { 5847c478bd9Sstevel@tonic-gate tmp = tmp->next; 5857c478bd9Sstevel@tonic-gate } 5867c478bd9Sstevel@tonic-gate 5877c478bd9Sstevel@tonic-gate tmp1 = tmp->next; 5887c478bd9Sstevel@tonic-gate tmp->next = list; 5897c478bd9Sstevel@tonic-gate append_node_list(headp, tmp1); 5907c478bd9Sstevel@tonic-gate } 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate /* 5937c478bd9Sstevel@tonic-gate * Get a linked list of handles of all children 5947c478bd9Sstevel@tonic-gate */ 5957c478bd9Sstevel@tonic-gate static struct node_list * 5967c478bd9Sstevel@tonic-gate get_children(di_node_t node) 5977c478bd9Sstevel@tonic-gate { 5987c478bd9Sstevel@tonic-gate di_node_t child; 5997c478bd9Sstevel@tonic-gate struct node_list *result, *tmp; 6007c478bd9Sstevel@tonic-gate 6017c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Get children of node %s\n", di_node_name(node))); 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate if ((child = di_child_node(node)) == DI_NODE_NIL) { 6047c478bd9Sstevel@tonic-gate return (NULL); 6057c478bd9Sstevel@tonic-gate } 6067c478bd9Sstevel@tonic-gate 6077c478bd9Sstevel@tonic-gate if ((result = malloc(sizeof (struct node_list))) == NULL) { 6087c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6097c478bd9Sstevel@tonic-gate return (NULL); 6107c478bd9Sstevel@tonic-gate } 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate result->node = child; 6137c478bd9Sstevel@tonic-gate tmp = result; 6147c478bd9Sstevel@tonic-gate 6157c478bd9Sstevel@tonic-gate while ((child = di_sibling_node(tmp->node)) != DI_NODE_NIL) { 6167c478bd9Sstevel@tonic-gate if ((tmp->next = malloc(sizeof (struct node_list))) == NULL) { 6177c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6187c478bd9Sstevel@tonic-gate free_node_list(&result); 6197c478bd9Sstevel@tonic-gate return (NULL); 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate tmp = tmp->next; 6227c478bd9Sstevel@tonic-gate tmp->node = child; 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate tmp->next = NULL; 6267c478bd9Sstevel@tonic-gate 6277c478bd9Sstevel@tonic-gate return (result); 6287c478bd9Sstevel@tonic-gate } 6297c478bd9Sstevel@tonic-gate 6307c478bd9Sstevel@tonic-gate /* 6317c478bd9Sstevel@tonic-gate * Internal library interface: 6327c478bd9Sstevel@tonic-gate * Delete all siblings of the first node from the node_list, along with 6337c478bd9Sstevel@tonic-gate * the first node itself. 6347c478bd9Sstevel@tonic-gate */ 6357c478bd9Sstevel@tonic-gate static void 6367c478bd9Sstevel@tonic-gate prune_sib(struct node_list **headp) 6377c478bd9Sstevel@tonic-gate { 6387c478bd9Sstevel@tonic-gate di_node_t parent, curr_par, curr_gpar; 6397c478bd9Sstevel@tonic-gate struct node_list *curr, *prev; 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate /* 6427c478bd9Sstevel@tonic-gate * get handle to parent of first node 6437c478bd9Sstevel@tonic-gate */ 6447c478bd9Sstevel@tonic-gate if ((parent = di_parent_node((*headp)->node)) == DI_NODE_NIL) { 6457c478bd9Sstevel@tonic-gate /* 6467c478bd9Sstevel@tonic-gate * This must be the root of the snapshot, so can't 6477c478bd9Sstevel@tonic-gate * have any siblings. 6487c478bd9Sstevel@tonic-gate * 6497c478bd9Sstevel@tonic-gate * XXX Put a check here just in case. 6507c478bd9Sstevel@tonic-gate */ 6517c478bd9Sstevel@tonic-gate if ((*headp)->next) 6527c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unexpected err in di_walk_node.\n")); 6537c478bd9Sstevel@tonic-gate 6547c478bd9Sstevel@tonic-gate free(*headp); 6557c478bd9Sstevel@tonic-gate *headp = NULL; 6567c478bd9Sstevel@tonic-gate return; 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate /* 6607c478bd9Sstevel@tonic-gate * To be complete, we should also delete the children 6617c478bd9Sstevel@tonic-gate * of siblings that have already been visited. 6627c478bd9Sstevel@tonic-gate * This happens for DI_WALK_SIBFIRST when the first node 6637c478bd9Sstevel@tonic-gate * is NOT the first in the linked list of siblings. 6647c478bd9Sstevel@tonic-gate * 6657c478bd9Sstevel@tonic-gate * Hence, we compare parent with BOTH the parent and grandparent 6667c478bd9Sstevel@tonic-gate * of nodes, and delete node is a match is found. 6677c478bd9Sstevel@tonic-gate */ 6687c478bd9Sstevel@tonic-gate prev = *headp; 6697c478bd9Sstevel@tonic-gate curr = prev->next; 6707c478bd9Sstevel@tonic-gate while (curr) { 6717c478bd9Sstevel@tonic-gate if (((curr_par = di_parent_node(curr->node)) != DI_NODE_NIL) && 6727c478bd9Sstevel@tonic-gate ((curr_par == parent) || ((curr_gpar = 6737c478bd9Sstevel@tonic-gate di_parent_node(curr_par)) != DI_NODE_NIL) && 6747c478bd9Sstevel@tonic-gate (curr_gpar == parent))) { 6757c478bd9Sstevel@tonic-gate /* 6767c478bd9Sstevel@tonic-gate * match parent/grandparent: delete curr 6777c478bd9Sstevel@tonic-gate */ 6787c478bd9Sstevel@tonic-gate prev->next = curr->next; 6797c478bd9Sstevel@tonic-gate free(curr); 6807c478bd9Sstevel@tonic-gate curr = prev->next; 6817c478bd9Sstevel@tonic-gate } else 6827c478bd9Sstevel@tonic-gate curr = curr->next; 6837c478bd9Sstevel@tonic-gate } 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate /* 6867c478bd9Sstevel@tonic-gate * delete the first node 6877c478bd9Sstevel@tonic-gate */ 6887c478bd9Sstevel@tonic-gate curr = *headp; 6897c478bd9Sstevel@tonic-gate *headp = curr->next; 6907c478bd9Sstevel@tonic-gate free(curr); 6917c478bd9Sstevel@tonic-gate } 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate /* 6947c478bd9Sstevel@tonic-gate * Internal library function: 6957c478bd9Sstevel@tonic-gate * Update node list based on action (return code from callback) 6967c478bd9Sstevel@tonic-gate * and flag specifying walking behavior. 6977c478bd9Sstevel@tonic-gate */ 6987c478bd9Sstevel@tonic-gate static void 6997c478bd9Sstevel@tonic-gate update_node_list(int action, uint_t flag, struct node_list **headp) 7007c478bd9Sstevel@tonic-gate { 7017c478bd9Sstevel@tonic-gate struct node_list *children, *tmp; 7027c478bd9Sstevel@tonic-gate di_node_t parent = di_parent_node((*headp)->node); 7037c478bd9Sstevel@tonic-gate 7047c478bd9Sstevel@tonic-gate switch (action) { 7057c478bd9Sstevel@tonic-gate case DI_WALK_TERMINATE: 7067c478bd9Sstevel@tonic-gate /* 7077c478bd9Sstevel@tonic-gate * free the node list and be done 7087c478bd9Sstevel@tonic-gate */ 7097c478bd9Sstevel@tonic-gate children = NULL; 7107c478bd9Sstevel@tonic-gate free_node_list(headp); 7117c478bd9Sstevel@tonic-gate break; 7127c478bd9Sstevel@tonic-gate 7137c478bd9Sstevel@tonic-gate case DI_WALK_PRUNESIB: 7147c478bd9Sstevel@tonic-gate /* 7157c478bd9Sstevel@tonic-gate * Get list of children and prune siblings 7167c478bd9Sstevel@tonic-gate */ 7177c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7187c478bd9Sstevel@tonic-gate prune_sib(headp); 7197c478bd9Sstevel@tonic-gate break; 7207c478bd9Sstevel@tonic-gate 7217c478bd9Sstevel@tonic-gate case DI_WALK_PRUNECHILD: 7227c478bd9Sstevel@tonic-gate /* 7237c478bd9Sstevel@tonic-gate * Set children to NULL and pop first node 7247c478bd9Sstevel@tonic-gate */ 7257c478bd9Sstevel@tonic-gate children = NULL; 7267c478bd9Sstevel@tonic-gate tmp = *headp; 7277c478bd9Sstevel@tonic-gate *headp = tmp->next; 7287c478bd9Sstevel@tonic-gate free(tmp); 7297c478bd9Sstevel@tonic-gate break; 7307c478bd9Sstevel@tonic-gate 7317c478bd9Sstevel@tonic-gate case DI_WALK_CONTINUE: 7327c478bd9Sstevel@tonic-gate default: 7337c478bd9Sstevel@tonic-gate /* 7347c478bd9Sstevel@tonic-gate * Get list of children and pop first node 7357c478bd9Sstevel@tonic-gate */ 7367c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7377c478bd9Sstevel@tonic-gate tmp = *headp; 7387c478bd9Sstevel@tonic-gate *headp = tmp->next; 7397c478bd9Sstevel@tonic-gate free(tmp); 7407c478bd9Sstevel@tonic-gate break; 7417c478bd9Sstevel@tonic-gate } 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate /* 7447c478bd9Sstevel@tonic-gate * insert the list of children 7457c478bd9Sstevel@tonic-gate */ 7467c478bd9Sstevel@tonic-gate switch (flag) { 7477c478bd9Sstevel@tonic-gate case DI_WALK_CLDFIRST: 7487c478bd9Sstevel@tonic-gate prepend_node_list(headp, children); 7497c478bd9Sstevel@tonic-gate break; 7507c478bd9Sstevel@tonic-gate 7517c478bd9Sstevel@tonic-gate case DI_WALK_SIBFIRST: 7527c478bd9Sstevel@tonic-gate append_node_list(headp, children); 7537c478bd9Sstevel@tonic-gate break; 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate case DI_WALK_LINKGEN: 7567c478bd9Sstevel@tonic-gate default: 7577c478bd9Sstevel@tonic-gate insert_node_list(headp, children, parent); 7587c478bd9Sstevel@tonic-gate break; 7597c478bd9Sstevel@tonic-gate } 7607c478bd9Sstevel@tonic-gate } 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate /* 7637c478bd9Sstevel@tonic-gate * Internal library function: 7647c478bd9Sstevel@tonic-gate * Invoke callback on one node and update the list of nodes to be walked 7657c478bd9Sstevel@tonic-gate * based on the flag and return code. 7667c478bd9Sstevel@tonic-gate */ 7677c478bd9Sstevel@tonic-gate static void 7687c478bd9Sstevel@tonic-gate walk_one_node(struct node_list **headp, uint_t flag, void *arg, 7697c478bd9Sstevel@tonic-gate int (*callback)(di_node_t, void *)) 7707c478bd9Sstevel@tonic-gate { 7717c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Walking node %s\n", di_node_name((*headp)->node))); 7727c478bd9Sstevel@tonic-gate 7737c478bd9Sstevel@tonic-gate update_node_list(callback((*headp)->node, arg), 7747c478bd9Sstevel@tonic-gate flag & DI_WALK_MASK, headp); 7757c478bd9Sstevel@tonic-gate } 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate int 7787c478bd9Sstevel@tonic-gate di_walk_node(di_node_t root, uint_t flag, void *arg, 7797c478bd9Sstevel@tonic-gate int (*node_callback)(di_node_t, void *)) 7807c478bd9Sstevel@tonic-gate { 7817c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate if (root == NULL) { 7847c478bd9Sstevel@tonic-gate errno = EINVAL; 7857c478bd9Sstevel@tonic-gate return (-1); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 7897c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 7907c478bd9Sstevel@tonic-gate return (-1); 7917c478bd9Sstevel@tonic-gate } 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate head->next = NULL; 7947c478bd9Sstevel@tonic-gate head->node = root; 7957c478bd9Sstevel@tonic-gate 7967c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start node walking from node %s\n", 7977c478bd9Sstevel@tonic-gate di_node_name(root))); 7987c478bd9Sstevel@tonic-gate 7997c478bd9Sstevel@tonic-gate while (head != NULL) 8007c478bd9Sstevel@tonic-gate walk_one_node(&head, flag, arg, node_callback); 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate return (0); 8037c478bd9Sstevel@tonic-gate } 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate /* 8067c478bd9Sstevel@tonic-gate * Internal library function: 8077c478bd9Sstevel@tonic-gate * Invoke callback for each minor on the minor list of first node 8087c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 8097c478bd9Sstevel@tonic-gate * 8107c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 8117c478bd9Sstevel@tonic-gate * first mode. 8127c478bd9Sstevel@tonic-gate */ 8137c478bd9Sstevel@tonic-gate static void 8147c478bd9Sstevel@tonic-gate walk_one_minor_list(struct node_list **headp, const char *desired_type, 8157c478bd9Sstevel@tonic-gate uint_t flag, void *arg, int (*callback)(di_node_t, di_minor_t, void *)) 8167c478bd9Sstevel@tonic-gate { 8177c478bd9Sstevel@tonic-gate int ddm_type; 8187c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 8197c478bd9Sstevel@tonic-gate char *node_type; 8207c478bd9Sstevel@tonic-gate di_minor_t minor = DI_MINOR_NIL; 8217c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 8227c478bd9Sstevel@tonic-gate 8237c478bd9Sstevel@tonic-gate while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) { 8247c478bd9Sstevel@tonic-gate ddm_type = di_minor_type(minor); 8257c478bd9Sstevel@tonic-gate 8267c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_ALIAS) && !(flag & DI_CHECK_ALIAS)) 8277c478bd9Sstevel@tonic-gate continue; 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_INTERNAL_PATH) && 8307c478bd9Sstevel@tonic-gate !(flag & DI_CHECK_INTERNAL_PATH)) 8317c478bd9Sstevel@tonic-gate continue; 8327c478bd9Sstevel@tonic-gate 8337c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 8347c478bd9Sstevel@tonic-gate if ((desired_type != NULL) && ((node_type == NULL) || 8357c478bd9Sstevel@tonic-gate strncmp(desired_type, node_type, strlen(desired_type)) 8367c478bd9Sstevel@tonic-gate != 0)) 8377c478bd9Sstevel@tonic-gate continue; 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate if ((action = callback(node, minor, arg)) == 8407c478bd9Sstevel@tonic-gate DI_WALK_TERMINATE) { 8417c478bd9Sstevel@tonic-gate break; 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 8467c478bd9Sstevel@tonic-gate } 8477c478bd9Sstevel@tonic-gate 8487c478bd9Sstevel@tonic-gate int 8497c478bd9Sstevel@tonic-gate di_walk_minor(di_node_t root, const char *minor_type, uint_t flag, void *arg, 8507c478bd9Sstevel@tonic-gate int (*minor_callback)(di_node_t, di_minor_t, void *)) 8517c478bd9Sstevel@tonic-gate { 8527c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate #ifdef DEBUG 8557c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 8567c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking minor nodes under %s\n", path)); 8577c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 8587c478bd9Sstevel@tonic-gate #endif 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate if (root == NULL) { 8617c478bd9Sstevel@tonic-gate errno = EINVAL; 8627c478bd9Sstevel@tonic-gate return (-1); 8637c478bd9Sstevel@tonic-gate } 8647c478bd9Sstevel@tonic-gate 8657c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 8667c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 8677c478bd9Sstevel@tonic-gate return (-1); 8687c478bd9Sstevel@tonic-gate } 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate head->next = NULL; 8717c478bd9Sstevel@tonic-gate head->node = root; 8727c478bd9Sstevel@tonic-gate 8737c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start minor walking from node %s\n", 8747c478bd9Sstevel@tonic-gate di_node_name(root))); 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate while (head != NULL) 8777c478bd9Sstevel@tonic-gate walk_one_minor_list(&head, minor_type, flag, arg, 8787c478bd9Sstevel@tonic-gate minor_callback); 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate return (0); 8817c478bd9Sstevel@tonic-gate } 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate /* 8847c478bd9Sstevel@tonic-gate * generic node parameters 8857c478bd9Sstevel@tonic-gate * Calling these routines always succeeds. 8867c478bd9Sstevel@tonic-gate */ 8877c478bd9Sstevel@tonic-gate char * 8887c478bd9Sstevel@tonic-gate di_node_name(di_node_t node) 8897c478bd9Sstevel@tonic-gate { 8907c478bd9Sstevel@tonic-gate return ((caddr_t)node + DI_NODE(node)->node_name - DI_NODE(node)->self); 8917c478bd9Sstevel@tonic-gate } 8927c478bd9Sstevel@tonic-gate 8937c478bd9Sstevel@tonic-gate /* returns NULL ptr or a valid ptr to non-NULL string */ 8947c478bd9Sstevel@tonic-gate char * 8957c478bd9Sstevel@tonic-gate di_bus_addr(di_node_t node) 8967c478bd9Sstevel@tonic-gate { 8977c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate if (DI_NODE(node)->address == 0) 9007c478bd9Sstevel@tonic-gate return (NULL); 9017c478bd9Sstevel@tonic-gate 9027c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->address)); 9037c478bd9Sstevel@tonic-gate } 9047c478bd9Sstevel@tonic-gate 9057c478bd9Sstevel@tonic-gate char * 9067c478bd9Sstevel@tonic-gate di_binding_name(di_node_t node) 9077c478bd9Sstevel@tonic-gate { 9087c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate if (DI_NODE(node)->bind_name == 0) 9117c478bd9Sstevel@tonic-gate return (NULL); 9127c478bd9Sstevel@tonic-gate 9137c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->bind_name)); 9147c478bd9Sstevel@tonic-gate } 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate int 9177c478bd9Sstevel@tonic-gate di_compatible_names(di_node_t node, char **names) 9187c478bd9Sstevel@tonic-gate { 9197c478bd9Sstevel@tonic-gate char *c; 9207c478bd9Sstevel@tonic-gate int len, size, entries = 0; 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate if (DI_NODE(node)->compat_names == 0) { 9237c478bd9Sstevel@tonic-gate *names = NULL; 9247c478bd9Sstevel@tonic-gate return (0); 9257c478bd9Sstevel@tonic-gate } 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate *names = (caddr_t)node + 9287c478bd9Sstevel@tonic-gate DI_NODE(node)->compat_names - DI_NODE(node)->self; 9297c478bd9Sstevel@tonic-gate 9307c478bd9Sstevel@tonic-gate c = *names; 9317c478bd9Sstevel@tonic-gate len = DI_NODE(node)->compat_length; 9327c478bd9Sstevel@tonic-gate while (len > 0) { 9337c478bd9Sstevel@tonic-gate entries++; 9347c478bd9Sstevel@tonic-gate size = strlen(c) + 1; 9357c478bd9Sstevel@tonic-gate len -= size; 9367c478bd9Sstevel@tonic-gate c += size; 9377c478bd9Sstevel@tonic-gate } 9387c478bd9Sstevel@tonic-gate 9397c478bd9Sstevel@tonic-gate return (entries); 9407c478bd9Sstevel@tonic-gate } 9417c478bd9Sstevel@tonic-gate 9427c478bd9Sstevel@tonic-gate int 9437c478bd9Sstevel@tonic-gate di_instance(di_node_t node) 9447c478bd9Sstevel@tonic-gate { 9457c478bd9Sstevel@tonic-gate return (DI_NODE(node)->instance); 9467c478bd9Sstevel@tonic-gate } 9477c478bd9Sstevel@tonic-gate 9487c478bd9Sstevel@tonic-gate /* 9497c478bd9Sstevel@tonic-gate * XXX: emulate the return value of the old implementation 9507c478bd9Sstevel@tonic-gate * using info from devi_node_class and devi_node_attributes. 9517c478bd9Sstevel@tonic-gate */ 9527c478bd9Sstevel@tonic-gate int 9537c478bd9Sstevel@tonic-gate di_nodeid(di_node_t node) 9547c478bd9Sstevel@tonic-gate { 9557c478bd9Sstevel@tonic-gate if (DI_NODE(node)->node_class == DDI_NC_PROM) 9567c478bd9Sstevel@tonic-gate return (DI_PROM_NODEID); 9577c478bd9Sstevel@tonic-gate 9587c478bd9Sstevel@tonic-gate if (DI_NODE(node)->attributes & DDI_PERSISTENT) 9597c478bd9Sstevel@tonic-gate return (DI_SID_NODEID); 9607c478bd9Sstevel@tonic-gate 9617c478bd9Sstevel@tonic-gate return (DI_PSEUDO_NODEID); 9627c478bd9Sstevel@tonic-gate } 9637c478bd9Sstevel@tonic-gate 9647c478bd9Sstevel@tonic-gate uint_t 9657c478bd9Sstevel@tonic-gate di_state(di_node_t node) 9667c478bd9Sstevel@tonic-gate { 9677c478bd9Sstevel@tonic-gate uint_t result = 0; 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate if (di_node_state(node) < DS_ATTACHED) 9707c478bd9Sstevel@tonic-gate result |= DI_DRIVER_DETACHED; 9717c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_OFFLINE) 9727c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9737c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_DOWN) 9747c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9757c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_QUIESCED) 9767c478bd9Sstevel@tonic-gate result |= DI_BUS_QUIESCED; 9777c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_DOWN) 9787c478bd9Sstevel@tonic-gate result |= DI_BUS_DOWN; 9797c478bd9Sstevel@tonic-gate 9807c478bd9Sstevel@tonic-gate return (result); 9817c478bd9Sstevel@tonic-gate } 9827c478bd9Sstevel@tonic-gate 9837c478bd9Sstevel@tonic-gate ddi_node_state_t 9847c478bd9Sstevel@tonic-gate di_node_state(di_node_t node) 9857c478bd9Sstevel@tonic-gate { 9867c478bd9Sstevel@tonic-gate return (DI_NODE(node)->node_state); 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate ddi_devid_t 9907c478bd9Sstevel@tonic-gate di_devid(di_node_t node) 9917c478bd9Sstevel@tonic-gate { 9927c478bd9Sstevel@tonic-gate if (DI_NODE(node)->devid == 0) 9937c478bd9Sstevel@tonic-gate return (NULL); 9947c478bd9Sstevel@tonic-gate 9957c478bd9Sstevel@tonic-gate return ((ddi_devid_t)((caddr_t)node + 9967c478bd9Sstevel@tonic-gate DI_NODE(node)->devid - DI_NODE(node)->self)); 9977c478bd9Sstevel@tonic-gate } 9987c478bd9Sstevel@tonic-gate 9997c478bd9Sstevel@tonic-gate int 10007c478bd9Sstevel@tonic-gate di_driver_major(di_node_t node) 10017c478bd9Sstevel@tonic-gate { 10027c478bd9Sstevel@tonic-gate int major; 10037c478bd9Sstevel@tonic-gate 10047c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10057c478bd9Sstevel@tonic-gate if (major < 0) 10067c478bd9Sstevel@tonic-gate return (-1); 10077c478bd9Sstevel@tonic-gate return (major); 10087c478bd9Sstevel@tonic-gate } 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate char * 10117c478bd9Sstevel@tonic-gate di_driver_name(di_node_t node) 10127c478bd9Sstevel@tonic-gate { 10137c478bd9Sstevel@tonic-gate int major; 10147c478bd9Sstevel@tonic-gate caddr_t pa; 10157c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10167c478bd9Sstevel@tonic-gate 10177c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10187c478bd9Sstevel@tonic-gate if (major < 0) 10197c478bd9Sstevel@tonic-gate return (NULL); 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10227c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate if (devnm[major].name) 10257c478bd9Sstevel@tonic-gate return (pa + devnm[major].name); 10267c478bd9Sstevel@tonic-gate else 10277c478bd9Sstevel@tonic-gate return (NULL); 10287c478bd9Sstevel@tonic-gate } 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate uint_t 10317c478bd9Sstevel@tonic-gate di_driver_ops(di_node_t node) 10327c478bd9Sstevel@tonic-gate { 10337c478bd9Sstevel@tonic-gate int major; 10347c478bd9Sstevel@tonic-gate caddr_t pa; 10357c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10387c478bd9Sstevel@tonic-gate if (major < 0) 10397c478bd9Sstevel@tonic-gate return (0); 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10427c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10437c478bd9Sstevel@tonic-gate 10447c478bd9Sstevel@tonic-gate return (devnm[major].ops); 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate 10477c478bd9Sstevel@tonic-gate /* 10487c478bd9Sstevel@tonic-gate * returns the length of the path, caller must free memory 10497c478bd9Sstevel@tonic-gate */ 10507c478bd9Sstevel@tonic-gate char * 10517c478bd9Sstevel@tonic-gate di_devfs_path(di_node_t node) 10527c478bd9Sstevel@tonic-gate { 10537c478bd9Sstevel@tonic-gate caddr_t pa; 10547c478bd9Sstevel@tonic-gate di_node_t parent; 10557c478bd9Sstevel@tonic-gate int depth = 0, len = 0; 10567c478bd9Sstevel@tonic-gate char *buf, *name[MAX_TREE_DEPTH], *addr[MAX_TREE_DEPTH]; 10577c478bd9Sstevel@tonic-gate 10587c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 10597c478bd9Sstevel@tonic-gate errno = EINVAL; 10607c478bd9Sstevel@tonic-gate return (NULL); 10617c478bd9Sstevel@tonic-gate } 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate /* 10647c478bd9Sstevel@tonic-gate * trace back to root, note the node_name & address 10657c478bd9Sstevel@tonic-gate */ 10667c478bd9Sstevel@tonic-gate while ((parent = di_parent_node(node)) != DI_NODE_NIL) { 10677c478bd9Sstevel@tonic-gate name[depth] = di_node_name(node); 10687c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; /* 1 for '/' */ 10697c478bd9Sstevel@tonic-gate 10707c478bd9Sstevel@tonic-gate if ((addr[depth] = di_bus_addr(node)) != NULL) 10717c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; /* 1 for '@' */ 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate node = parent; 10747c478bd9Sstevel@tonic-gate depth++; 10757c478bd9Sstevel@tonic-gate } 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate /* 10787c478bd9Sstevel@tonic-gate * get the path to the root of snapshot 10797c478bd9Sstevel@tonic-gate */ 10807c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10817c478bd9Sstevel@tonic-gate name[depth] = DI_ALL(pa)->root_path; 10827c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate /* 10857c478bd9Sstevel@tonic-gate * allocate buffer and assemble path 10867c478bd9Sstevel@tonic-gate */ 10877c478bd9Sstevel@tonic-gate if ((buf = malloc(len)) == NULL) { 10887c478bd9Sstevel@tonic-gate return (NULL); 10897c478bd9Sstevel@tonic-gate } 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate (void) strcpy(buf, name[depth]); 10927c478bd9Sstevel@tonic-gate len = strlen(buf); 10937c478bd9Sstevel@tonic-gate if (buf[len - 1] == '/') 10947c478bd9Sstevel@tonic-gate len--; /* delete trailing '/' */ 10957c478bd9Sstevel@tonic-gate 10967c478bd9Sstevel@tonic-gate while (depth) { 10977c478bd9Sstevel@tonic-gate depth--; 10987c478bd9Sstevel@tonic-gate buf[len] = '/'; 10997c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, name[depth]); 11007c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11017c478bd9Sstevel@tonic-gate if (addr[depth] && addr[depth][0] != '\0') { 11027c478bd9Sstevel@tonic-gate buf[len] = '@'; 11037c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, addr[depth]); 11047c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate } 11077c478bd9Sstevel@tonic-gate 11087c478bd9Sstevel@tonic-gate return (buf); 11097c478bd9Sstevel@tonic-gate } 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate char * 11127c478bd9Sstevel@tonic-gate di_devfs_minor_path(di_minor_t minor) 11137c478bd9Sstevel@tonic-gate { 11147c478bd9Sstevel@tonic-gate di_node_t node; 11157c478bd9Sstevel@tonic-gate char *full_path, *name, *path; 11167c478bd9Sstevel@tonic-gate int full_path_len; 11177c478bd9Sstevel@tonic-gate 11187c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 11197c478bd9Sstevel@tonic-gate errno = EINVAL; 11207c478bd9Sstevel@tonic-gate return (NULL); 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate name = di_minor_name(minor); 11247c478bd9Sstevel@tonic-gate node = di_minor_devinfo(minor); 11257c478bd9Sstevel@tonic-gate path = di_devfs_path(node); 11267c478bd9Sstevel@tonic-gate if (path == NULL) 11277c478bd9Sstevel@tonic-gate return (NULL); 11287c478bd9Sstevel@tonic-gate 11297c478bd9Sstevel@tonic-gate /* make the full path to the device minor node */ 11307c478bd9Sstevel@tonic-gate full_path_len = strlen(path) + strlen(name) + 2; 11317c478bd9Sstevel@tonic-gate full_path = (char *)calloc(1, full_path_len); 11327c478bd9Sstevel@tonic-gate if (full_path != NULL) 11337c478bd9Sstevel@tonic-gate (void) snprintf(full_path, full_path_len, "%s:%s", path, name); 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 11367c478bd9Sstevel@tonic-gate return (full_path); 11377c478bd9Sstevel@tonic-gate } 11387c478bd9Sstevel@tonic-gate 11397c478bd9Sstevel@tonic-gate void 11407c478bd9Sstevel@tonic-gate di_devfs_path_free(char *buf) 11417c478bd9Sstevel@tonic-gate { 11427c478bd9Sstevel@tonic-gate if (buf == NULL) { 11437c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_devfs_path_free NULL arg!\n")); 11447c478bd9Sstevel@tonic-gate return; 11457c478bd9Sstevel@tonic-gate } 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate free(buf); 11487c478bd9Sstevel@tonic-gate } 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate /* minor data access */ 11517c478bd9Sstevel@tonic-gate di_minor_t 11527c478bd9Sstevel@tonic-gate di_minor_next(di_node_t node, di_minor_t minor) 11537c478bd9Sstevel@tonic-gate { 11547c478bd9Sstevel@tonic-gate caddr_t pa; 11557c478bd9Sstevel@tonic-gate 11567c478bd9Sstevel@tonic-gate /* 11577c478bd9Sstevel@tonic-gate * paranoid error checking 11587c478bd9Sstevel@tonic-gate */ 11597c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 11607c478bd9Sstevel@tonic-gate errno = EINVAL; 11617c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 11627c478bd9Sstevel@tonic-gate } 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate /* 11657c478bd9Sstevel@tonic-gate * minor is not NIL 11667c478bd9Sstevel@tonic-gate */ 11677c478bd9Sstevel@tonic-gate if (minor != DI_MINOR_NIL) { 11687c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->next != 0) 11697c478bd9Sstevel@tonic-gate return ((di_minor_t)((void *)((caddr_t)minor - 11707c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->next))); 11717c478bd9Sstevel@tonic-gate else { 11727c478bd9Sstevel@tonic-gate errno = ENXIO; 11737c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 11747c478bd9Sstevel@tonic-gate } 11757c478bd9Sstevel@tonic-gate } 11767c478bd9Sstevel@tonic-gate 11777c478bd9Sstevel@tonic-gate /* 11787c478bd9Sstevel@tonic-gate * minor is NIL-->caller asks for first minor node 11797c478bd9Sstevel@tonic-gate */ 11807c478bd9Sstevel@tonic-gate if (DI_NODE(node)->minor_data != 0) { 11817c478bd9Sstevel@tonic-gate return (DI_MINOR((caddr_t)node - DI_NODE(node)->self + 11827c478bd9Sstevel@tonic-gate DI_NODE(node)->minor_data)); 11837c478bd9Sstevel@tonic-gate } 11847c478bd9Sstevel@tonic-gate 11857c478bd9Sstevel@tonic-gate /* 11867c478bd9Sstevel@tonic-gate * no minor data-->check if snapshot includes minor data 11877c478bd9Sstevel@tonic-gate * in order to set the correct errno 11887c478bd9Sstevel@tonic-gate */ 11897c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 11907c478bd9Sstevel@tonic-gate if (DINFOMINOR & DI_ALL(pa)->command) 11917c478bd9Sstevel@tonic-gate errno = ENXIO; 11927c478bd9Sstevel@tonic-gate else 11937c478bd9Sstevel@tonic-gate errno = ENOTSUP; 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 11967c478bd9Sstevel@tonic-gate } 11977c478bd9Sstevel@tonic-gate 11987c478bd9Sstevel@tonic-gate /* private interface for dealing with alias minor link generation */ 11997c478bd9Sstevel@tonic-gate di_node_t 12007c478bd9Sstevel@tonic-gate di_minor_devinfo(di_minor_t minor) 12017c478bd9Sstevel@tonic-gate { 12027c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 12037c478bd9Sstevel@tonic-gate errno = EINVAL; 12047c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 12057c478bd9Sstevel@tonic-gate } 12067c478bd9Sstevel@tonic-gate 12077c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)minor - DI_MINOR(minor)->self + 12087c478bd9Sstevel@tonic-gate DI_MINOR(minor)->node)); 12097c478bd9Sstevel@tonic-gate } 12107c478bd9Sstevel@tonic-gate 12117c478bd9Sstevel@tonic-gate ddi_minor_type 12127c478bd9Sstevel@tonic-gate di_minor_type(di_minor_t minor) 12137c478bd9Sstevel@tonic-gate { 12147c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->type); 12157c478bd9Sstevel@tonic-gate } 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate char * 12187c478bd9Sstevel@tonic-gate di_minor_name(di_minor_t minor) 12197c478bd9Sstevel@tonic-gate { 12207c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->name == 0) 12217c478bd9Sstevel@tonic-gate return (NULL); 12227c478bd9Sstevel@tonic-gate 12237c478bd9Sstevel@tonic-gate return ((caddr_t)minor - DI_MINOR(minor)->self + DI_MINOR(minor)->name); 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate dev_t 12277c478bd9Sstevel@tonic-gate di_minor_devt(di_minor_t minor) 12287c478bd9Sstevel@tonic-gate { 12297c478bd9Sstevel@tonic-gate return (makedev(DI_MINOR(minor)->dev_major, 12307c478bd9Sstevel@tonic-gate DI_MINOR(minor)->dev_minor)); 12317c478bd9Sstevel@tonic-gate } 12327c478bd9Sstevel@tonic-gate 12337c478bd9Sstevel@tonic-gate int 12347c478bd9Sstevel@tonic-gate di_minor_spectype(di_minor_t minor) 12357c478bd9Sstevel@tonic-gate { 12367c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->spec_type); 12377c478bd9Sstevel@tonic-gate } 12387c478bd9Sstevel@tonic-gate 12397c478bd9Sstevel@tonic-gate char * 12407c478bd9Sstevel@tonic-gate di_minor_nodetype(di_minor_t minor) 12417c478bd9Sstevel@tonic-gate { 12427c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->node_type == 0) 12437c478bd9Sstevel@tonic-gate return (NULL); 12447c478bd9Sstevel@tonic-gate 12457c478bd9Sstevel@tonic-gate return ((caddr_t)minor - 12467c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->node_type); 12477c478bd9Sstevel@tonic-gate } 12487c478bd9Sstevel@tonic-gate 12497c478bd9Sstevel@tonic-gate /* 12507c478bd9Sstevel@tonic-gate * Single public interface for accessing software properties 12517c478bd9Sstevel@tonic-gate */ 12527c478bd9Sstevel@tonic-gate di_prop_t 12537c478bd9Sstevel@tonic-gate di_prop_next(di_node_t node, di_prop_t prop) 12547c478bd9Sstevel@tonic-gate { 12557c478bd9Sstevel@tonic-gate int list = DI_PROP_DRV_LIST; 12567c478bd9Sstevel@tonic-gate 12577c478bd9Sstevel@tonic-gate /* 12587c478bd9Sstevel@tonic-gate * paranoid check 12597c478bd9Sstevel@tonic-gate */ 12607c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 12617c478bd9Sstevel@tonic-gate errno = EINVAL; 12627c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 12637c478bd9Sstevel@tonic-gate } 12647c478bd9Sstevel@tonic-gate 12657c478bd9Sstevel@tonic-gate /* 12667c478bd9Sstevel@tonic-gate * Find which prop list we are at 12677c478bd9Sstevel@tonic-gate */ 12687c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) 12697c478bd9Sstevel@tonic-gate list = DI_PROP(prop)->prop_list; 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate do { 12727c478bd9Sstevel@tonic-gate switch (list++) { 12737c478bd9Sstevel@tonic-gate case DI_PROP_DRV_LIST: 12747c478bd9Sstevel@tonic-gate prop = di_prop_drv_next(node, prop); 12757c478bd9Sstevel@tonic-gate break; 12767c478bd9Sstevel@tonic-gate case DI_PROP_SYS_LIST: 12777c478bd9Sstevel@tonic-gate prop = di_prop_sys_next(node, prop); 12787c478bd9Sstevel@tonic-gate break; 12797c478bd9Sstevel@tonic-gate case DI_PROP_GLB_LIST: 12807c478bd9Sstevel@tonic-gate prop = di_prop_global_next(node, prop); 12817c478bd9Sstevel@tonic-gate break; 12827c478bd9Sstevel@tonic-gate case DI_PROP_HW_LIST: 12837c478bd9Sstevel@tonic-gate prop = di_prop_hw_next(node, prop); 12847c478bd9Sstevel@tonic-gate break; 12857c478bd9Sstevel@tonic-gate default: /* shouldn't happen */ 12867c478bd9Sstevel@tonic-gate errno = EFAULT; 12877c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 12887c478bd9Sstevel@tonic-gate } 12897c478bd9Sstevel@tonic-gate } while ((prop == DI_PROP_NIL) && (list <= DI_PROP_HW_LIST)); 12907c478bd9Sstevel@tonic-gate 12917c478bd9Sstevel@tonic-gate return (prop); 12927c478bd9Sstevel@tonic-gate } 12937c478bd9Sstevel@tonic-gate 12947c478bd9Sstevel@tonic-gate dev_t 12957c478bd9Sstevel@tonic-gate di_prop_devt(di_prop_t prop) 12967c478bd9Sstevel@tonic-gate { 12977c478bd9Sstevel@tonic-gate return (makedev(DI_PROP(prop)->dev_major, DI_PROP(prop)->dev_minor)); 12987c478bd9Sstevel@tonic-gate } 12997c478bd9Sstevel@tonic-gate 13007c478bd9Sstevel@tonic-gate char * 13017c478bd9Sstevel@tonic-gate di_prop_name(di_prop_t prop) 13027c478bd9Sstevel@tonic-gate { 13037c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_name == 0) 13047c478bd9Sstevel@tonic-gate return (NULL); 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate return ((caddr_t)prop - DI_PROP(prop)->self + DI_PROP(prop)->prop_name); 13077c478bd9Sstevel@tonic-gate } 13087c478bd9Sstevel@tonic-gate 13097c478bd9Sstevel@tonic-gate int 13107c478bd9Sstevel@tonic-gate di_prop_type(di_prop_t prop) 13117c478bd9Sstevel@tonic-gate { 13127c478bd9Sstevel@tonic-gate uint_t flags = DI_PROP(prop)->prop_flags; 13137c478bd9Sstevel@tonic-gate 13147c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) 13157c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNDEF_IT); 13167c478bd9Sstevel@tonic-gate 13177c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13187c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BOOLEAN); 13197c478bd9Sstevel@tonic-gate 13207c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_TYPE_MASK) == DDI_PROP_TYPE_ANY) 13217c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 13227c478bd9Sstevel@tonic-gate 13237c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT) 13247c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT64) 13277c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_STRING) 13307c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 13317c478bd9Sstevel@tonic-gate 13327c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_BYTE) 13337c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 13347c478bd9Sstevel@tonic-gate 13357c478bd9Sstevel@tonic-gate /* 13367c478bd9Sstevel@tonic-gate * Shouldn't get here. In case we do, return unknown type. 13377c478bd9Sstevel@tonic-gate * 13387c478bd9Sstevel@tonic-gate * XXX--When DDI_PROP_TYPE_COMPOSITE is implemented, we need 13397c478bd9Sstevel@tonic-gate * to add DI_PROP_TYPE_COMPOSITE. 13407c478bd9Sstevel@tonic-gate */ 13417c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unimplemented property type: 0x%x\n", flags)); 13427c478bd9Sstevel@tonic-gate 13437c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate /* 13477c478bd9Sstevel@tonic-gate * Extract type-specific values of an property 13487c478bd9Sstevel@tonic-gate */ 13497c478bd9Sstevel@tonic-gate extern int di_prop_decode_common(void *prop_data, int len, 13507c478bd9Sstevel@tonic-gate int ddi_type, int prom); 13517c478bd9Sstevel@tonic-gate 13527c478bd9Sstevel@tonic-gate int 13537c478bd9Sstevel@tonic-gate di_prop_ints(di_prop_t prop, int **prop_data) 13547c478bd9Sstevel@tonic-gate { 13557c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13567c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 13597c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 13607c478bd9Sstevel@tonic-gate errno = EFAULT; 13617c478bd9Sstevel@tonic-gate *prop_data = NULL; 13627c478bd9Sstevel@tonic-gate return (-1); 13637c478bd9Sstevel@tonic-gate } 13647c478bd9Sstevel@tonic-gate 13657c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PROP(prop)->self 13667c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 13677c478bd9Sstevel@tonic-gate 13687c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 13697c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 13707c478bd9Sstevel@tonic-gate } 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate int 13737c478bd9Sstevel@tonic-gate di_prop_int64(di_prop_t prop, int64_t **prop_data) 13747c478bd9Sstevel@tonic-gate { 13757c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13767c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 13777c478bd9Sstevel@tonic-gate 13787c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 13797c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 13807c478bd9Sstevel@tonic-gate errno = EFAULT; 13817c478bd9Sstevel@tonic-gate *prop_data = NULL; 13827c478bd9Sstevel@tonic-gate return (-1); 13837c478bd9Sstevel@tonic-gate } 13847c478bd9Sstevel@tonic-gate 13857c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - DI_PROP(prop)->self 13867c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 13877c478bd9Sstevel@tonic-gate 13887c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 13897c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 13907c478bd9Sstevel@tonic-gate } 13917c478bd9Sstevel@tonic-gate 13927c478bd9Sstevel@tonic-gate int 13937c478bd9Sstevel@tonic-gate di_prop_strings(di_prop_t prop, char **prop_data) 13947c478bd9Sstevel@tonic-gate { 13957c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13967c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 13997c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 14007c478bd9Sstevel@tonic-gate errno = EFAULT; 14017c478bd9Sstevel@tonic-gate *prop_data = NULL; 14027c478bd9Sstevel@tonic-gate return (-1); 14037c478bd9Sstevel@tonic-gate } 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PROP(prop)->self 14067c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 14077c478bd9Sstevel@tonic-gate 14087c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 14097c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 14107c478bd9Sstevel@tonic-gate } 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate int 14137c478bd9Sstevel@tonic-gate di_prop_bytes(di_prop_t prop, uchar_t **prop_data) 14147c478bd9Sstevel@tonic-gate { 14157c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 14167c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 14197c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 14207c478bd9Sstevel@tonic-gate errno = EFAULT; 14217c478bd9Sstevel@tonic-gate *prop_data = NULL; 14227c478bd9Sstevel@tonic-gate return (-1); 14237c478bd9Sstevel@tonic-gate } 14247c478bd9Sstevel@tonic-gate 14257c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self 14267c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 14297c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 14307c478bd9Sstevel@tonic-gate } 14317c478bd9Sstevel@tonic-gate 14327c478bd9Sstevel@tonic-gate /* 14337c478bd9Sstevel@tonic-gate * returns 1 for match, 0 for no match 14347c478bd9Sstevel@tonic-gate */ 14357c478bd9Sstevel@tonic-gate static int 14367c478bd9Sstevel@tonic-gate match_prop(di_prop_t prop, dev_t match_dev, const char *name, int type) 14377c478bd9Sstevel@tonic-gate { 14387c478bd9Sstevel@tonic-gate int prop_type; 14397c478bd9Sstevel@tonic-gate 14407c478bd9Sstevel@tonic-gate #ifdef DEBUG 14417c478bd9Sstevel@tonic-gate if (di_prop_name(prop) == NULL) { 14427c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "libdevinfo: property has no name!\n")); 14437c478bd9Sstevel@tonic-gate return (0); 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate if (strcmp(name, di_prop_name(prop)) != 0) 14487c478bd9Sstevel@tonic-gate return (0); 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate if ((match_dev != DDI_DEV_T_ANY) && (di_prop_devt(prop) != match_dev)) 14517c478bd9Sstevel@tonic-gate return (0); 14527c478bd9Sstevel@tonic-gate 14537c478bd9Sstevel@tonic-gate /* 14547c478bd9Sstevel@tonic-gate * XXX prop_type is different from DDI_*. See PSARC 1997/127. 14557c478bd9Sstevel@tonic-gate */ 14567c478bd9Sstevel@tonic-gate prop_type = di_prop_type(prop); 14577c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type) && 14587c478bd9Sstevel@tonic-gate (prop_type != DI_PROP_TYPE_BOOLEAN)) 14597c478bd9Sstevel@tonic-gate return (0); 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate return (1); 14627c478bd9Sstevel@tonic-gate } 14637c478bd9Sstevel@tonic-gate 14647c478bd9Sstevel@tonic-gate static di_prop_t 14657c478bd9Sstevel@tonic-gate di_prop_search(dev_t match_dev, di_node_t node, const char *name, 14667c478bd9Sstevel@tonic-gate int type) 14677c478bd9Sstevel@tonic-gate { 14687c478bd9Sstevel@tonic-gate di_prop_t prop = DI_PROP_NIL; 14697c478bd9Sstevel@tonic-gate 14707c478bd9Sstevel@tonic-gate /* 14717c478bd9Sstevel@tonic-gate * The check on match_dev follows ddi_prop_lookup_common(). 14727c478bd9Sstevel@tonic-gate * Other checks are libdevinfo specific implementation. 14737c478bd9Sstevel@tonic-gate */ 14747c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 14757c478bd9Sstevel@tonic-gate (match_dev == DDI_DEV_T_NONE) || !DI_PROP_TYPE_VALID(type)) { 14767c478bd9Sstevel@tonic-gate errno = EINVAL; 14777c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14787c478bd9Sstevel@tonic-gate } 14797c478bd9Sstevel@tonic-gate 14807c478bd9Sstevel@tonic-gate while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 14817c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match prop name %s, devt 0x%lx, type %d\n", 14827c478bd9Sstevel@tonic-gate di_prop_name(prop), di_prop_devt(prop), 14837c478bd9Sstevel@tonic-gate di_prop_type(prop))); 14847c478bd9Sstevel@tonic-gate if (match_prop(prop, match_dev, name, type)) 14857c478bd9Sstevel@tonic-gate return (prop); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14897c478bd9Sstevel@tonic-gate } 14907c478bd9Sstevel@tonic-gate 14917c478bd9Sstevel@tonic-gate int 14927c478bd9Sstevel@tonic-gate di_prop_lookup_ints(dev_t dev, di_node_t node, const char *prop_name, 14937c478bd9Sstevel@tonic-gate int **prop_data) 14947c478bd9Sstevel@tonic-gate { 14957c478bd9Sstevel@tonic-gate di_prop_t prop; 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 14987c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 14997c478bd9Sstevel@tonic-gate return (-1); 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate return (di_prop_ints(prop, (void *)prop_data)); 15027c478bd9Sstevel@tonic-gate } 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate int 15057c478bd9Sstevel@tonic-gate di_prop_lookup_int64(dev_t dev, di_node_t node, const char *prop_name, 15067c478bd9Sstevel@tonic-gate int64_t **prop_data) 15077c478bd9Sstevel@tonic-gate { 15087c478bd9Sstevel@tonic-gate di_prop_t prop; 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15117c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 15127c478bd9Sstevel@tonic-gate return (-1); 15137c478bd9Sstevel@tonic-gate 15147c478bd9Sstevel@tonic-gate return (di_prop_int64(prop, (void *)prop_data)); 15157c478bd9Sstevel@tonic-gate } 15167c478bd9Sstevel@tonic-gate 15177c478bd9Sstevel@tonic-gate int 15187c478bd9Sstevel@tonic-gate di_prop_lookup_strings(dev_t dev, di_node_t node, const char *prop_name, 15197c478bd9Sstevel@tonic-gate char **prop_data) 15207c478bd9Sstevel@tonic-gate { 15217c478bd9Sstevel@tonic-gate di_prop_t prop; 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15247c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 15257c478bd9Sstevel@tonic-gate return (-1); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate return (di_prop_strings(prop, (void *)prop_data)); 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate int 15317c478bd9Sstevel@tonic-gate di_prop_lookup_bytes(dev_t dev, di_node_t node, const char *prop_name, 15327c478bd9Sstevel@tonic-gate uchar_t **prop_data) 15337c478bd9Sstevel@tonic-gate { 15347c478bd9Sstevel@tonic-gate di_prop_t prop; 15357c478bd9Sstevel@tonic-gate 15367c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15377c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 15387c478bd9Sstevel@tonic-gate return (-1); 15397c478bd9Sstevel@tonic-gate 15407c478bd9Sstevel@tonic-gate return (di_prop_bytes(prop, (void *)prop_data)); 15417c478bd9Sstevel@tonic-gate } 15427c478bd9Sstevel@tonic-gate 15437c478bd9Sstevel@tonic-gate /* 15447c478bd9Sstevel@tonic-gate * Consolidation private property access functions 15457c478bd9Sstevel@tonic-gate */ 15467c478bd9Sstevel@tonic-gate enum prop_type { 15477c478bd9Sstevel@tonic-gate PROP_TYPE_DRV, 15487c478bd9Sstevel@tonic-gate PROP_TYPE_SYS, 15497c478bd9Sstevel@tonic-gate PROP_TYPE_GLOB, 15507c478bd9Sstevel@tonic-gate PROP_TYPE_HW 15517c478bd9Sstevel@tonic-gate }; 15527c478bd9Sstevel@tonic-gate 15537c478bd9Sstevel@tonic-gate static di_prop_t 15547c478bd9Sstevel@tonic-gate di_prop_next_common(di_node_t node, di_prop_t prop, int prop_type) 15557c478bd9Sstevel@tonic-gate { 15567c478bd9Sstevel@tonic-gate caddr_t pa; 15577c478bd9Sstevel@tonic-gate di_off_t prop_off = 0; 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 15607c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next) { 15617c478bd9Sstevel@tonic-gate return (DI_PROP((caddr_t)prop - 15627c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 15637c478bd9Sstevel@tonic-gate } else { 15647c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 15657c478bd9Sstevel@tonic-gate } 15667c478bd9Sstevel@tonic-gate } 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate /* 15707c478bd9Sstevel@tonic-gate * prop is NIL, caller asks for first property 15717c478bd9Sstevel@tonic-gate */ 15727c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 15737c478bd9Sstevel@tonic-gate switch (prop_type) { 15747c478bd9Sstevel@tonic-gate case PROP_TYPE_DRV: 15757c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->drv_prop; 15767c478bd9Sstevel@tonic-gate break; 15777c478bd9Sstevel@tonic-gate case PROP_TYPE_SYS: 15787c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->sys_prop; 15797c478bd9Sstevel@tonic-gate break; 15807c478bd9Sstevel@tonic-gate case PROP_TYPE_HW: 15817c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->hw_prop; 15827c478bd9Sstevel@tonic-gate break; 15837c478bd9Sstevel@tonic-gate case PROP_TYPE_GLOB: 15847c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->glob_prop; 15857c478bd9Sstevel@tonic-gate if (prop_off == -1) { 15867c478bd9Sstevel@tonic-gate /* no global property */ 15877c478bd9Sstevel@tonic-gate prop_off = 0; 15887c478bd9Sstevel@tonic-gate } else if ((prop_off == 0) && (DI_NODE(node)->drv_major >= 0)) { 15897c478bd9Sstevel@tonic-gate /* refer to devnames array */ 15907c478bd9Sstevel@tonic-gate struct di_devnm *devnm = DI_DEVNM(pa + 15917c478bd9Sstevel@tonic-gate DI_ALL(pa)->devnames + (DI_NODE(node)->drv_major * 15927c478bd9Sstevel@tonic-gate sizeof (struct di_devnm))); 15937c478bd9Sstevel@tonic-gate prop_off = devnm->global_prop; 15947c478bd9Sstevel@tonic-gate } 15957c478bd9Sstevel@tonic-gate break; 15967c478bd9Sstevel@tonic-gate } 15977c478bd9Sstevel@tonic-gate 15987c478bd9Sstevel@tonic-gate if (prop_off) { 15997c478bd9Sstevel@tonic-gate return (DI_PROP(pa + prop_off)); 16007c478bd9Sstevel@tonic-gate } 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate /* 16037c478bd9Sstevel@tonic-gate * no prop found. Check the reason for not found 16047c478bd9Sstevel@tonic-gate */ 16057c478bd9Sstevel@tonic-gate if (DINFOPROP & DI_ALL(pa)->command) 16067c478bd9Sstevel@tonic-gate errno = ENXIO; 16077c478bd9Sstevel@tonic-gate else 16087c478bd9Sstevel@tonic-gate errno = ENOTSUP; 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16117c478bd9Sstevel@tonic-gate } 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate di_prop_t 16147c478bd9Sstevel@tonic-gate di_prop_drv_next(di_node_t node, di_prop_t prop) 16157c478bd9Sstevel@tonic-gate { 16167c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_DRV)); 16177c478bd9Sstevel@tonic-gate } 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate di_prop_t 16207c478bd9Sstevel@tonic-gate di_prop_sys_next(di_node_t node, di_prop_t prop) 16217c478bd9Sstevel@tonic-gate { 16227c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_SYS)); 16237c478bd9Sstevel@tonic-gate } 16247c478bd9Sstevel@tonic-gate 16257c478bd9Sstevel@tonic-gate di_prop_t 16267c478bd9Sstevel@tonic-gate di_prop_global_next(di_node_t node, di_prop_t prop) 16277c478bd9Sstevel@tonic-gate { 16287c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_GLOB)); 16297c478bd9Sstevel@tonic-gate } 16307c478bd9Sstevel@tonic-gate 16317c478bd9Sstevel@tonic-gate di_prop_t 16327c478bd9Sstevel@tonic-gate di_prop_hw_next(di_node_t node, di_prop_t prop) 16337c478bd9Sstevel@tonic-gate { 16347c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_HW)); 16357c478bd9Sstevel@tonic-gate } 16367c478bd9Sstevel@tonic-gate 16377c478bd9Sstevel@tonic-gate int 16387c478bd9Sstevel@tonic-gate di_prop_rawdata(di_prop_t prop, uchar_t **prop_data) 16397c478bd9Sstevel@tonic-gate { 16407c478bd9Sstevel@tonic-gate #ifdef DEBUG 16417c478bd9Sstevel@tonic-gate if (prop == DI_PROP_NIL) { 16427c478bd9Sstevel@tonic-gate errno = EINVAL; 16437c478bd9Sstevel@tonic-gate return (-1); 16447c478bd9Sstevel@tonic-gate } 16457c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) { 16487c478bd9Sstevel@tonic-gate *prop_data = NULL; 16497c478bd9Sstevel@tonic-gate return (0); 16507c478bd9Sstevel@tonic-gate } 16517c478bd9Sstevel@tonic-gate 16527c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 16537c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 16547c478bd9Sstevel@tonic-gate errno = EFAULT; 16557c478bd9Sstevel@tonic-gate *prop_data = NULL; 16567c478bd9Sstevel@tonic-gate return (-1); 16577c478bd9Sstevel@tonic-gate } 16587c478bd9Sstevel@tonic-gate 16597c478bd9Sstevel@tonic-gate /* 16607c478bd9Sstevel@tonic-gate * No memory allocation. 16617c478bd9Sstevel@tonic-gate */ 16627c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self + 16637c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_data); 16647c478bd9Sstevel@tonic-gate 16657c478bd9Sstevel@tonic-gate return (DI_PROP(prop)->prop_len); 16667c478bd9Sstevel@tonic-gate } 16677c478bd9Sstevel@tonic-gate 16687c478bd9Sstevel@tonic-gate /* 16697c478bd9Sstevel@tonic-gate * Consolidation private interfaces for accessing I/O multipathing data 16707c478bd9Sstevel@tonic-gate */ 16717c478bd9Sstevel@tonic-gate di_path_t 16727c478bd9Sstevel@tonic-gate di_path_next_client(di_node_t node, di_path_t path) 16737c478bd9Sstevel@tonic-gate { 16747c478bd9Sstevel@tonic-gate caddr_t pa; 16757c478bd9Sstevel@tonic-gate 16767c478bd9Sstevel@tonic-gate /* 16777c478bd9Sstevel@tonic-gate * path is not NIL 16787c478bd9Sstevel@tonic-gate */ 16797c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 16807c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_p_link != 0) 16817c478bd9Sstevel@tonic-gate return (DI_PATH((void *)((caddr_t)path - 16827c478bd9Sstevel@tonic-gate DI_PATH(path)->self + DI_PATH(path)->path_p_link))); 16837c478bd9Sstevel@tonic-gate else { 16847c478bd9Sstevel@tonic-gate errno = ENXIO; 16857c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 16867c478bd9Sstevel@tonic-gate } 16877c478bd9Sstevel@tonic-gate } 16887c478bd9Sstevel@tonic-gate 16897c478bd9Sstevel@tonic-gate /* 16907c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 16917c478bd9Sstevel@tonic-gate */ 16927c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_phci != 0) { 16937c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "phci: returning %p\n", ((caddr_t)node - 16947c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_phci))); 16957c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 16967c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_phci)); 16977c478bd9Sstevel@tonic-gate } 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate /* 17007c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 17017c478bd9Sstevel@tonic-gate * to set errno properly. 17027c478bd9Sstevel@tonic-gate */ 17037c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17047c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 17057c478bd9Sstevel@tonic-gate errno = ENXIO; 17067c478bd9Sstevel@tonic-gate else 17077c478bd9Sstevel@tonic-gate errno = ENOTSUP; 17087c478bd9Sstevel@tonic-gate 17097c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17107c478bd9Sstevel@tonic-gate } 17117c478bd9Sstevel@tonic-gate 17127c478bd9Sstevel@tonic-gate di_path_t 17137c478bd9Sstevel@tonic-gate di_path_next_phci(di_node_t node, di_path_t path) 17147c478bd9Sstevel@tonic-gate { 17157c478bd9Sstevel@tonic-gate caddr_t pa; 17167c478bd9Sstevel@tonic-gate 17177c478bd9Sstevel@tonic-gate /* 17187c478bd9Sstevel@tonic-gate * path is not NIL 17197c478bd9Sstevel@tonic-gate */ 17207c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 17217c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_c_link != 0) 17227c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)path - DI_PATH(path)->self 17237c478bd9Sstevel@tonic-gate + DI_PATH(path)->path_c_link)); 17247c478bd9Sstevel@tonic-gate else { 17257c478bd9Sstevel@tonic-gate errno = ENXIO; 17267c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17277c478bd9Sstevel@tonic-gate } 17287c478bd9Sstevel@tonic-gate } 17297c478bd9Sstevel@tonic-gate 17307c478bd9Sstevel@tonic-gate /* 17317c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 17327c478bd9Sstevel@tonic-gate */ 17337c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client != 0) { 17347c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "client: returning %p\n", ((caddr_t)node - 17357c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_client))); 17367c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 17377c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_client)); 17387c478bd9Sstevel@tonic-gate } 17397c478bd9Sstevel@tonic-gate 17407c478bd9Sstevel@tonic-gate /* 17417c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 17427c478bd9Sstevel@tonic-gate * to set errno properly. 17437c478bd9Sstevel@tonic-gate */ 17447c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17457c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 17467c478bd9Sstevel@tonic-gate errno = ENXIO; 17477c478bd9Sstevel@tonic-gate else 17487c478bd9Sstevel@tonic-gate errno = ENOTSUP; 17497c478bd9Sstevel@tonic-gate 17507c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17517c478bd9Sstevel@tonic-gate } 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate /* 17547c478bd9Sstevel@tonic-gate * XXX Obsolete wrapper to be removed. Won't work under multilevel. 17557c478bd9Sstevel@tonic-gate */ 17567c478bd9Sstevel@tonic-gate di_path_t 17577c478bd9Sstevel@tonic-gate di_path_next(di_node_t node, di_path_t path) 17587c478bd9Sstevel@tonic-gate { 17597c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 17607c478bd9Sstevel@tonic-gate errno = EINVAL; 17617c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17627c478bd9Sstevel@tonic-gate } 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client) { 17657c478bd9Sstevel@tonic-gate return (di_path_next_phci(node, path)); 17667c478bd9Sstevel@tonic-gate } else if (DI_NODE(node)->multipath_phci) { 17677c478bd9Sstevel@tonic-gate return (di_path_next_client(node, path)); 17687c478bd9Sstevel@tonic-gate } else { 17697c478bd9Sstevel@tonic-gate /* 17707c478bd9Sstevel@tonic-gate * The node had multipathing data but didn't appear to be a 17717c478bd9Sstevel@tonic-gate * phci *or* a client; probably a programmer error. 17727c478bd9Sstevel@tonic-gate */ 17737c478bd9Sstevel@tonic-gate errno = EINVAL; 17747c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17757c478bd9Sstevel@tonic-gate } 17767c478bd9Sstevel@tonic-gate } 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate di_path_state_t 17797c478bd9Sstevel@tonic-gate di_path_state(di_path_t path) 17807c478bd9Sstevel@tonic-gate { 17817c478bd9Sstevel@tonic-gate return ((di_path_state_t)DI_PATH(path)->path_state); 17827c478bd9Sstevel@tonic-gate } 17837c478bd9Sstevel@tonic-gate 17847c478bd9Sstevel@tonic-gate char * 17857c478bd9Sstevel@tonic-gate di_path_addr(di_path_t path, char *buf) 17867c478bd9Sstevel@tonic-gate { 17877c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 17887c478bd9Sstevel@tonic-gate 17897c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 17907c478bd9Sstevel@tonic-gate 17917c478bd9Sstevel@tonic-gate (void) strncpy(buf, (char *)(pa + DI_PATH(path)->path_addr), 17927c478bd9Sstevel@tonic-gate MAXPATHLEN); 17937c478bd9Sstevel@tonic-gate return (buf); 17947c478bd9Sstevel@tonic-gate } 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate di_node_t 17977c478bd9Sstevel@tonic-gate di_path_client_node(di_path_t path) 17987c478bd9Sstevel@tonic-gate { 17997c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 18007c478bd9Sstevel@tonic-gate 18017c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 18027c478bd9Sstevel@tonic-gate errno = EINVAL; 18037c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18047c478bd9Sstevel@tonic-gate } 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get client node for path %p\n", path)); 18077c478bd9Sstevel@tonic-gate 18087c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18097c478bd9Sstevel@tonic-gate 18107c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_client) { 18117c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_client)); 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate /* 18157c478bd9Sstevel@tonic-gate * Deal with error condition: 18167c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 18177c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 18187c478bd9Sstevel@tonic-gate */ 18197c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOCLIENT) == 0) 18207c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18217c478bd9Sstevel@tonic-gate else 18227c478bd9Sstevel@tonic-gate errno = ENXIO; 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 18257c478bd9Sstevel@tonic-gate } 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate di_node_t 18287c478bd9Sstevel@tonic-gate di_path_phci_node(di_path_t path) 18297c478bd9Sstevel@tonic-gate { 18307c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 18337c478bd9Sstevel@tonic-gate errno = EINVAL; 18347c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18357c478bd9Sstevel@tonic-gate } 18367c478bd9Sstevel@tonic-gate 18377c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get phci node for path %p\n", path)); 18387c478bd9Sstevel@tonic-gate 18397c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18407c478bd9Sstevel@tonic-gate 18417c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_phci) { 18427c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_phci)); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate /* 18467c478bd9Sstevel@tonic-gate * Deal with error condition: 18477c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 18487c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 18497c478bd9Sstevel@tonic-gate */ 18507c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOPHCI) == 0) 18517c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18527c478bd9Sstevel@tonic-gate else 18537c478bd9Sstevel@tonic-gate errno = ENXIO; 18547c478bd9Sstevel@tonic-gate 18557c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate 18587c478bd9Sstevel@tonic-gate di_path_prop_t 18597c478bd9Sstevel@tonic-gate di_path_prop_next(di_path_t path, di_path_prop_t prop) 18607c478bd9Sstevel@tonic-gate { 18617c478bd9Sstevel@tonic-gate caddr_t pa; 18627c478bd9Sstevel@tonic-gate 18637c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 18647c478bd9Sstevel@tonic-gate errno = EINVAL; 18657c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18667c478bd9Sstevel@tonic-gate } 18677c478bd9Sstevel@tonic-gate 18687c478bd9Sstevel@tonic-gate /* 18697c478bd9Sstevel@tonic-gate * prop is not NIL 18707c478bd9Sstevel@tonic-gate */ 18717c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 18727c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next != 0) 18737c478bd9Sstevel@tonic-gate return (DI_PATHPROP((caddr_t)prop - 18747c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 18757c478bd9Sstevel@tonic-gate else { 18767c478bd9Sstevel@tonic-gate errno = ENXIO; 18777c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18787c478bd9Sstevel@tonic-gate } 18797c478bd9Sstevel@tonic-gate } 18807c478bd9Sstevel@tonic-gate 18817c478bd9Sstevel@tonic-gate /* 18827c478bd9Sstevel@tonic-gate * prop is NIL-->caller asks for first property 18837c478bd9Sstevel@tonic-gate */ 18847c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18857c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_prop != 0) { 18867c478bd9Sstevel@tonic-gate return (DI_PATHPROP(pa + DI_PATH(path)->path_prop)); 18877c478bd9Sstevel@tonic-gate } 18887c478bd9Sstevel@tonic-gate 18897c478bd9Sstevel@tonic-gate /* 18907c478bd9Sstevel@tonic-gate * no property data-->check if snapshot includes props 18917c478bd9Sstevel@tonic-gate * in order to set the correct errno 18927c478bd9Sstevel@tonic-gate */ 18937c478bd9Sstevel@tonic-gate if (DINFOPROP & (DI_ALL(pa)->command)) 18947c478bd9Sstevel@tonic-gate errno = ENXIO; 18957c478bd9Sstevel@tonic-gate else 18967c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18977c478bd9Sstevel@tonic-gate 18987c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18997c478bd9Sstevel@tonic-gate } 19007c478bd9Sstevel@tonic-gate 19017c478bd9Sstevel@tonic-gate char * 19027c478bd9Sstevel@tonic-gate di_path_prop_name(di_path_prop_t prop) 19037c478bd9Sstevel@tonic-gate { 19047c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 19057c478bd9Sstevel@tonic-gate pa = (caddr_t)prop - DI_PATHPROP(prop)->self; 19067c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_PATHPROP(prop)->prop_name)); 19077c478bd9Sstevel@tonic-gate } 19087c478bd9Sstevel@tonic-gate 19097c478bd9Sstevel@tonic-gate int 19107c478bd9Sstevel@tonic-gate di_path_prop_len(di_path_prop_t prop) 19117c478bd9Sstevel@tonic-gate { 19127c478bd9Sstevel@tonic-gate return (DI_PATHPROP(prop)->prop_len); 19137c478bd9Sstevel@tonic-gate } 19147c478bd9Sstevel@tonic-gate 19157c478bd9Sstevel@tonic-gate int 19167c478bd9Sstevel@tonic-gate di_path_prop_type(di_path_prop_t prop) 19177c478bd9Sstevel@tonic-gate { 19187c478bd9Sstevel@tonic-gate switch (DI_PATHPROP(prop)->prop_type) { 19197c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT: 19207c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 19217c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT64: 19227c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 19237c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_BYTE: 19247c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 19257c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_STRING: 19267c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 19277c478bd9Sstevel@tonic-gate } 19287c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 19297c478bd9Sstevel@tonic-gate } 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate int 19327c478bd9Sstevel@tonic-gate di_path_prop_bytes(di_path_prop_t prop, uchar_t **prop_data) 19337c478bd9Sstevel@tonic-gate { 19347c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19357c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19367c478bd9Sstevel@tonic-gate errno = EFAULT; 19377c478bd9Sstevel@tonic-gate *prop_data = NULL; 19387c478bd9Sstevel@tonic-gate return (-1); 19397c478bd9Sstevel@tonic-gate } 19407c478bd9Sstevel@tonic-gate 19417c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PATHPROP(prop)->self 19427c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 19437c478bd9Sstevel@tonic-gate 19447c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 19457c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 19467c478bd9Sstevel@tonic-gate } 19477c478bd9Sstevel@tonic-gate 19487c478bd9Sstevel@tonic-gate int 19497c478bd9Sstevel@tonic-gate di_path_prop_ints(di_path_prop_t prop, int **prop_data) 19507c478bd9Sstevel@tonic-gate { 19517c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 19527c478bd9Sstevel@tonic-gate return (0); 19537c478bd9Sstevel@tonic-gate 19547c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19557c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19567c478bd9Sstevel@tonic-gate errno = EFAULT; 19577c478bd9Sstevel@tonic-gate *prop_data = NULL; 19587c478bd9Sstevel@tonic-gate return (-1); 19597c478bd9Sstevel@tonic-gate } 19607c478bd9Sstevel@tonic-gate 19617c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PATHPROP(prop)->self 19627c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data)); 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 19657c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 19667c478bd9Sstevel@tonic-gate } 19677c478bd9Sstevel@tonic-gate 19687c478bd9Sstevel@tonic-gate int 19697c478bd9Sstevel@tonic-gate di_path_prop_int64s(di_path_prop_t prop, int64_t **prop_data) 19707c478bd9Sstevel@tonic-gate { 19717c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 19727c478bd9Sstevel@tonic-gate return (0); 19737c478bd9Sstevel@tonic-gate 19747c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19757c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19767c478bd9Sstevel@tonic-gate errno = EFAULT; 19777c478bd9Sstevel@tonic-gate *prop_data = NULL; 19787c478bd9Sstevel@tonic-gate return (-1); 19797c478bd9Sstevel@tonic-gate } 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - 19827c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->self + DI_PATHPROP(prop)->prop_data)); 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 19857c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 19867c478bd9Sstevel@tonic-gate } 19877c478bd9Sstevel@tonic-gate 19887c478bd9Sstevel@tonic-gate int 19897c478bd9Sstevel@tonic-gate di_path_prop_strings(di_path_prop_t prop, char **prop_data) 19907c478bd9Sstevel@tonic-gate { 19917c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 19927c478bd9Sstevel@tonic-gate return (0); 19937c478bd9Sstevel@tonic-gate 19947c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19957c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19967c478bd9Sstevel@tonic-gate errno = EFAULT; 19977c478bd9Sstevel@tonic-gate *prop_data = NULL; 19987c478bd9Sstevel@tonic-gate return (-1); 19997c478bd9Sstevel@tonic-gate } 20007c478bd9Sstevel@tonic-gate 20017c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PATHPROP(prop)->self 20027c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 20057c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 20067c478bd9Sstevel@tonic-gate } 20077c478bd9Sstevel@tonic-gate 20087c478bd9Sstevel@tonic-gate static di_path_prop_t 20097c478bd9Sstevel@tonic-gate di_path_prop_search(di_path_t path, const char *name, int type) 20107c478bd9Sstevel@tonic-gate { 20117c478bd9Sstevel@tonic-gate di_path_prop_t prop = DI_PROP_NIL; 20127c478bd9Sstevel@tonic-gate 20137c478bd9Sstevel@tonic-gate /* 20147c478bd9Sstevel@tonic-gate * Sanity check arguments 20157c478bd9Sstevel@tonic-gate */ 20167c478bd9Sstevel@tonic-gate if ((path == DI_PATH_NIL) || (name == NULL) || (strlen(name) == 0) || 20177c478bd9Sstevel@tonic-gate !DI_PROP_TYPE_VALID(type)) { 20187c478bd9Sstevel@tonic-gate errno = EINVAL; 20197c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 20207c478bd9Sstevel@tonic-gate } 20217c478bd9Sstevel@tonic-gate 20227c478bd9Sstevel@tonic-gate while ((prop = di_path_prop_next(path, prop)) != DI_PROP_NIL) { 20237c478bd9Sstevel@tonic-gate int prop_type = di_path_prop_type(prop); 20247c478bd9Sstevel@tonic-gate 20257c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match path prop name %s, type %d\n", 20267c478bd9Sstevel@tonic-gate di_path_prop_name(prop), prop_type)); 20277c478bd9Sstevel@tonic-gate 20287c478bd9Sstevel@tonic-gate if (strcmp(name, di_path_prop_name(prop)) != 0) 20297c478bd9Sstevel@tonic-gate continue; 20307c478bd9Sstevel@tonic-gate 20317c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type)) 20327c478bd9Sstevel@tonic-gate continue; 20337c478bd9Sstevel@tonic-gate 20347c478bd9Sstevel@tonic-gate return (prop); 20357c478bd9Sstevel@tonic-gate } 20367c478bd9Sstevel@tonic-gate 20377c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 20387c478bd9Sstevel@tonic-gate } 20397c478bd9Sstevel@tonic-gate 20407c478bd9Sstevel@tonic-gate int 20417c478bd9Sstevel@tonic-gate di_path_prop_lookup_bytes(di_path_t path, const char *prop_name, 20427c478bd9Sstevel@tonic-gate uchar_t **prop_data) 20437c478bd9Sstevel@tonic-gate { 20447c478bd9Sstevel@tonic-gate di_path_prop_t prop; 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 20477c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 20487c478bd9Sstevel@tonic-gate return (-1); 20497c478bd9Sstevel@tonic-gate 20507c478bd9Sstevel@tonic-gate return (di_path_prop_bytes(prop, prop_data)); 20517c478bd9Sstevel@tonic-gate } 20527c478bd9Sstevel@tonic-gate 20537c478bd9Sstevel@tonic-gate int 20547c478bd9Sstevel@tonic-gate di_path_prop_lookup_ints(di_path_t path, const char *prop_name, 20557c478bd9Sstevel@tonic-gate int **prop_data) 20567c478bd9Sstevel@tonic-gate { 20577c478bd9Sstevel@tonic-gate di_path_prop_t prop; 20587c478bd9Sstevel@tonic-gate 20597c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 20607c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 20617c478bd9Sstevel@tonic-gate return (-1); 20627c478bd9Sstevel@tonic-gate 20637c478bd9Sstevel@tonic-gate return (di_path_prop_ints(prop, prop_data)); 20647c478bd9Sstevel@tonic-gate } 20657c478bd9Sstevel@tonic-gate 20667c478bd9Sstevel@tonic-gate int 20677c478bd9Sstevel@tonic-gate di_path_prop_lookup_int64s(di_path_t path, const char *prop_name, 20687c478bd9Sstevel@tonic-gate int64_t **prop_data) 20697c478bd9Sstevel@tonic-gate { 20707c478bd9Sstevel@tonic-gate di_path_prop_t prop; 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 20737c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 20747c478bd9Sstevel@tonic-gate return (-1); 20757c478bd9Sstevel@tonic-gate 20767c478bd9Sstevel@tonic-gate return (di_path_prop_int64s(prop, prop_data)); 20777c478bd9Sstevel@tonic-gate } 20787c478bd9Sstevel@tonic-gate 20797c478bd9Sstevel@tonic-gate int di_path_prop_lookup_strings(di_path_t path, const char *prop_name, 20807c478bd9Sstevel@tonic-gate char **prop_data) 20817c478bd9Sstevel@tonic-gate { 20827c478bd9Sstevel@tonic-gate di_path_prop_t prop; 20837c478bd9Sstevel@tonic-gate 20847c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 20857c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 20867c478bd9Sstevel@tonic-gate return (-1); 20877c478bd9Sstevel@tonic-gate 20887c478bd9Sstevel@tonic-gate return (di_path_prop_strings(prop, prop_data)); 20897c478bd9Sstevel@tonic-gate } 20907c478bd9Sstevel@tonic-gate 2091*8c4f8890Srs135747 /* 2092*8c4f8890Srs135747 * Consolidation private interfaces for traversing vhci nodes. 2093*8c4f8890Srs135747 */ 2094*8c4f8890Srs135747 di_node_t 2095*8c4f8890Srs135747 di_vhci_first_node(di_node_t root) 2096*8c4f8890Srs135747 { 2097*8c4f8890Srs135747 struct di_all *dap; 2098*8c4f8890Srs135747 caddr_t pa; /* starting address of map */ 2099*8c4f8890Srs135747 2100*8c4f8890Srs135747 DPRINTF((DI_INFO, "Get first vhci node\n")); 2101*8c4f8890Srs135747 2102*8c4f8890Srs135747 if (root == DI_NODE_NIL) { 2103*8c4f8890Srs135747 errno = EINVAL; 2104*8c4f8890Srs135747 return (DI_NODE_NIL); 2105*8c4f8890Srs135747 } 2106*8c4f8890Srs135747 2107*8c4f8890Srs135747 pa = (caddr_t)root - DI_NODE(root)->self; 2108*8c4f8890Srs135747 dap = DI_ALL(pa); 2109*8c4f8890Srs135747 2110*8c4f8890Srs135747 if (dap->top_vhci_devinfo == NULL) { 2111*8c4f8890Srs135747 errno = ENXIO; 2112*8c4f8890Srs135747 return (DI_NODE_NIL); 2113*8c4f8890Srs135747 } 2114*8c4f8890Srs135747 2115*8c4f8890Srs135747 return (DI_NODE(pa + dap->top_vhci_devinfo)); 2116*8c4f8890Srs135747 } 2117*8c4f8890Srs135747 2118*8c4f8890Srs135747 di_node_t 2119*8c4f8890Srs135747 di_vhci_next_node(di_node_t node) 2120*8c4f8890Srs135747 { 2121*8c4f8890Srs135747 caddr_t pa; /* starting address of map */ 2122*8c4f8890Srs135747 2123*8c4f8890Srs135747 if (node == DI_NODE_NIL) { 2124*8c4f8890Srs135747 errno = EINVAL; 2125*8c4f8890Srs135747 return (DI_NODE_NIL); 2126*8c4f8890Srs135747 } 2127*8c4f8890Srs135747 2128*8c4f8890Srs135747 DPRINTF((DI_TRACE, "next vhci node on the snap shot:" 2129*8c4f8890Srs135747 " current=%s\n", di_node_name(node))); 2130*8c4f8890Srs135747 2131*8c4f8890Srs135747 if (DI_NODE(node)->next_vhci == NULL) { 2132*8c4f8890Srs135747 errno = ENXIO; 2133*8c4f8890Srs135747 return (DI_NODE_NIL); 2134*8c4f8890Srs135747 } 2135*8c4f8890Srs135747 2136*8c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 2137*8c4f8890Srs135747 2138*8c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_vhci)); 2139*8c4f8890Srs135747 } 2140*8c4f8890Srs135747 2141*8c4f8890Srs135747 /* 2142*8c4f8890Srs135747 * Consolidation private interfaces for traversing phci nodes. 2143*8c4f8890Srs135747 */ 2144*8c4f8890Srs135747 di_node_t 2145*8c4f8890Srs135747 di_phci_first_node(di_node_t vhci_node) 2146*8c4f8890Srs135747 { 2147*8c4f8890Srs135747 caddr_t pa; /* starting address of map */ 2148*8c4f8890Srs135747 2149*8c4f8890Srs135747 DPRINTF((DI_INFO, "Get first phci node:\n" 2150*8c4f8890Srs135747 " current=%s", di_node_name(vhci_node))); 2151*8c4f8890Srs135747 2152*8c4f8890Srs135747 if (vhci_node == DI_NODE_NIL) { 2153*8c4f8890Srs135747 errno = EINVAL; 2154*8c4f8890Srs135747 return (DI_NODE_NIL); 2155*8c4f8890Srs135747 } 2156*8c4f8890Srs135747 2157*8c4f8890Srs135747 pa = (caddr_t)vhci_node - DI_NODE(vhci_node)->self; 2158*8c4f8890Srs135747 2159*8c4f8890Srs135747 if (DI_NODE(vhci_node)->top_phci == NULL) { 2160*8c4f8890Srs135747 errno = ENXIO; 2161*8c4f8890Srs135747 return (DI_NODE_NIL); 2162*8c4f8890Srs135747 } 2163*8c4f8890Srs135747 2164*8c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(vhci_node)->top_phci)); 2165*8c4f8890Srs135747 } 2166*8c4f8890Srs135747 2167*8c4f8890Srs135747 di_node_t 2168*8c4f8890Srs135747 di_phci_next_node(di_node_t node) 2169*8c4f8890Srs135747 { 2170*8c4f8890Srs135747 caddr_t pa; /* starting address of map */ 2171*8c4f8890Srs135747 2172*8c4f8890Srs135747 if (node == DI_NODE_NIL) { 2173*8c4f8890Srs135747 errno = EINVAL; 2174*8c4f8890Srs135747 return (DI_NODE_NIL); 2175*8c4f8890Srs135747 } 2176*8c4f8890Srs135747 2177*8c4f8890Srs135747 DPRINTF((DI_TRACE, "next phci node on the snap shot:" 2178*8c4f8890Srs135747 " current=%s\n", di_node_name(node))); 2179*8c4f8890Srs135747 2180*8c4f8890Srs135747 if (DI_NODE(node)->next_phci == NULL) { 2181*8c4f8890Srs135747 errno = ENXIO; 2182*8c4f8890Srs135747 return (DI_NODE_NIL); 2183*8c4f8890Srs135747 } 2184*8c4f8890Srs135747 2185*8c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 2186*8c4f8890Srs135747 2187*8c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_phci)); 2188*8c4f8890Srs135747 } 21897c478bd9Sstevel@tonic-gate 21907c478bd9Sstevel@tonic-gate /* 21917c478bd9Sstevel@tonic-gate * Consolidation private interfaces for private data 21927c478bd9Sstevel@tonic-gate */ 21937c478bd9Sstevel@tonic-gate void * 21947c478bd9Sstevel@tonic-gate di_parent_private_data(di_node_t node) 21957c478bd9Sstevel@tonic-gate { 21967c478bd9Sstevel@tonic-gate caddr_t pa; 21977c478bd9Sstevel@tonic-gate 21987c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == 0) { 21997c478bd9Sstevel@tonic-gate errno = ENXIO; 22007c478bd9Sstevel@tonic-gate return (NULL); 22017c478bd9Sstevel@tonic-gate } 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == (di_off_t)-1) { 22047c478bd9Sstevel@tonic-gate /* 22057c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 22067c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 22077c478bd9Sstevel@tonic-gate */ 22087c478bd9Sstevel@tonic-gate errno = EFAULT; 22097c478bd9Sstevel@tonic-gate return (NULL); 22107c478bd9Sstevel@tonic-gate } 22117c478bd9Sstevel@tonic-gate 22127c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 22137c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data) 22147c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->parent_data); 22157c478bd9Sstevel@tonic-gate 22167c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 22177c478bd9Sstevel@tonic-gate errno = ENXIO; 22187c478bd9Sstevel@tonic-gate else 22197c478bd9Sstevel@tonic-gate errno = ENOTSUP; 22207c478bd9Sstevel@tonic-gate 22217c478bd9Sstevel@tonic-gate return (NULL); 22227c478bd9Sstevel@tonic-gate } 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate void * 22257c478bd9Sstevel@tonic-gate di_driver_private_data(di_node_t node) 22267c478bd9Sstevel@tonic-gate { 22277c478bd9Sstevel@tonic-gate caddr_t pa; 22287c478bd9Sstevel@tonic-gate 22297c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == 0) { 22307c478bd9Sstevel@tonic-gate errno = ENXIO; 22317c478bd9Sstevel@tonic-gate return (NULL); 22327c478bd9Sstevel@tonic-gate } 22337c478bd9Sstevel@tonic-gate 22347c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == (di_off_t)-1) { 22357c478bd9Sstevel@tonic-gate /* 22367c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 22377c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 22387c478bd9Sstevel@tonic-gate */ 22397c478bd9Sstevel@tonic-gate errno = EFAULT; 22407c478bd9Sstevel@tonic-gate return (NULL); 22417c478bd9Sstevel@tonic-gate } 22427c478bd9Sstevel@tonic-gate 22437c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 22447c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data) 22457c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->driver_data); 22467c478bd9Sstevel@tonic-gate 22477c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 22487c478bd9Sstevel@tonic-gate errno = ENXIO; 22497c478bd9Sstevel@tonic-gate else 22507c478bd9Sstevel@tonic-gate errno = ENOTSUP; 22517c478bd9Sstevel@tonic-gate 22527c478bd9Sstevel@tonic-gate return (NULL); 22537c478bd9Sstevel@tonic-gate } 22547c478bd9Sstevel@tonic-gate 22557c478bd9Sstevel@tonic-gate /* 22567c478bd9Sstevel@tonic-gate * PROM property access 22577c478bd9Sstevel@tonic-gate */ 22587c478bd9Sstevel@tonic-gate 22597c478bd9Sstevel@tonic-gate /* 22607c478bd9Sstevel@tonic-gate * openprom driver stuff: 22617c478bd9Sstevel@tonic-gate * The maximum property length depends on the buffer size. We use 22627c478bd9Sstevel@tonic-gate * OPROMMAXPARAM defined in <sys/openpromio.h> 22637c478bd9Sstevel@tonic-gate * 22647c478bd9Sstevel@tonic-gate * MAXNAMESZ is max property name. obpdefs.h defines it as 32 based on 1275 22657c478bd9Sstevel@tonic-gate * MAXVALSZ is maximum value size, which is whatever space left in buf 22667c478bd9Sstevel@tonic-gate */ 22677c478bd9Sstevel@tonic-gate 22687c478bd9Sstevel@tonic-gate #define OBP_MAXBUF OPROMMAXPARAM - sizeof (int) 22697c478bd9Sstevel@tonic-gate #define OBP_MAXPROPLEN OBP_MAXBUF - OBP_MAXPROPNAME; 22707c478bd9Sstevel@tonic-gate 22717c478bd9Sstevel@tonic-gate struct di_prom_prop { 22727c478bd9Sstevel@tonic-gate char *name; 22737c478bd9Sstevel@tonic-gate int len; 22747c478bd9Sstevel@tonic-gate uchar_t *data; 22757c478bd9Sstevel@tonic-gate struct di_prom_prop *next; /* form a linked list */ 22767c478bd9Sstevel@tonic-gate }; 22777c478bd9Sstevel@tonic-gate 22787c478bd9Sstevel@tonic-gate struct di_prom_handle { /* handle to prom */ 22797c478bd9Sstevel@tonic-gate mutex_t lock; /* synchronize access to openprom fd */ 22807c478bd9Sstevel@tonic-gate int fd; /* /dev/openprom file descriptor */ 22817c478bd9Sstevel@tonic-gate struct di_prom_prop *list; /* linked list of prop */ 22827c478bd9Sstevel@tonic-gate union { 22837c478bd9Sstevel@tonic-gate char buf[OPROMMAXPARAM]; 22847c478bd9Sstevel@tonic-gate struct openpromio opp; 22857c478bd9Sstevel@tonic-gate } oppbuf; 22867c478bd9Sstevel@tonic-gate }; 22877c478bd9Sstevel@tonic-gate 22887c478bd9Sstevel@tonic-gate di_prom_handle_t 22897c478bd9Sstevel@tonic-gate di_prom_init() 22907c478bd9Sstevel@tonic-gate { 22917c478bd9Sstevel@tonic-gate struct di_prom_handle *p; 22927c478bd9Sstevel@tonic-gate 22937c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (struct di_prom_handle))) == NULL) 22947c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 22957c478bd9Sstevel@tonic-gate 22967c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_init: get prom handle 0x%p\n", p)); 22977c478bd9Sstevel@tonic-gate 22987c478bd9Sstevel@tonic-gate (void) mutex_init(&p->lock, USYNC_THREAD, NULL); 22997c478bd9Sstevel@tonic-gate if ((p->fd = open("/dev/openprom", O_RDONLY)) < 0) { 23007c478bd9Sstevel@tonic-gate free(p); 23017c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 23027c478bd9Sstevel@tonic-gate } 23037c478bd9Sstevel@tonic-gate p->list = NULL; 23047c478bd9Sstevel@tonic-gate 23057c478bd9Sstevel@tonic-gate return ((di_prom_handle_t)p); 23067c478bd9Sstevel@tonic-gate } 23077c478bd9Sstevel@tonic-gate 23087c478bd9Sstevel@tonic-gate static void 23097c478bd9Sstevel@tonic-gate di_prom_prop_free(struct di_prom_prop *list) 23107c478bd9Sstevel@tonic-gate { 23117c478bd9Sstevel@tonic-gate struct di_prom_prop *tmp = list; 23127c478bd9Sstevel@tonic-gate 23137c478bd9Sstevel@tonic-gate while (tmp != NULL) { 23147c478bd9Sstevel@tonic-gate list = tmp->next; 23157c478bd9Sstevel@tonic-gate if (tmp->name != NULL) { 23167c478bd9Sstevel@tonic-gate free(tmp->name); 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate if (tmp->data != NULL) { 23197c478bd9Sstevel@tonic-gate free(tmp->data); 23207c478bd9Sstevel@tonic-gate } 23217c478bd9Sstevel@tonic-gate free(tmp); 23227c478bd9Sstevel@tonic-gate tmp = list; 23237c478bd9Sstevel@tonic-gate } 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate 23267c478bd9Sstevel@tonic-gate void 23277c478bd9Sstevel@tonic-gate di_prom_fini(di_prom_handle_t ph) 23287c478bd9Sstevel@tonic-gate { 23297c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 23307c478bd9Sstevel@tonic-gate 23317c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_fini: free prom handle 0x%p\n", p)); 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate (void) close(p->fd); 23347c478bd9Sstevel@tonic-gate (void) mutex_destroy(&p->lock); 23357c478bd9Sstevel@tonic-gate di_prom_prop_free(p->list); 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate free(p); 23387c478bd9Sstevel@tonic-gate } 23397c478bd9Sstevel@tonic-gate 23407c478bd9Sstevel@tonic-gate /* 23417c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 23427c478bd9Sstevel@tonic-gate * XXX: ph->lock must be held for the duration of call. 23437c478bd9Sstevel@tonic-gate */ 23447c478bd9Sstevel@tonic-gate static di_prom_prop_t 23457c478bd9Sstevel@tonic-gate di_prom_prop_found(di_prom_handle_t ph, int nodeid, 23467c478bd9Sstevel@tonic-gate di_prom_prop_t prom_prop) 23477c478bd9Sstevel@tonic-gate { 23487c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 23497c478bd9Sstevel@tonic-gate struct openpromio *opp = &p->oppbuf.opp; 23507c478bd9Sstevel@tonic-gate int *ip = (int *)((void *)opp->oprom_array); 23517c478bd9Sstevel@tonic-gate struct di_prom_prop *prop = (struct di_prom_prop *)prom_prop; 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Looking for nodeid 0x%x\n", nodeid)); 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate /* 23567c478bd9Sstevel@tonic-gate * Set "current" nodeid in the openprom driver 23577c478bd9Sstevel@tonic-gate */ 23587c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 23597c478bd9Sstevel@tonic-gate *ip = nodeid; 23607c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 23617c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", nodeid)); 23627c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 23637c478bd9Sstevel@tonic-gate } 23647c478bd9Sstevel@tonic-gate 23657c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Found nodeid 0x%x\n", nodeid)); 23667c478bd9Sstevel@tonic-gate 23677c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 23687c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPNAME; 23697c478bd9Sstevel@tonic-gate if (prom_prop != DI_PROM_PROP_NIL) 23707c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prop->name); 23717c478bd9Sstevel@tonic-gate 23727c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMNXTPROP, opp) < 0) || (opp->oprom_size == 0)) 23737c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 23747c478bd9Sstevel@tonic-gate 23757c478bd9Sstevel@tonic-gate /* 23767c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 23777c478bd9Sstevel@tonic-gate * (reuse variable prop) 23787c478bd9Sstevel@tonic-gate */ 23797c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) 23807c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 23817c478bd9Sstevel@tonic-gate 23827c478bd9Sstevel@tonic-gate /* 23837c478bd9Sstevel@tonic-gate * Get a copy of property name 23847c478bd9Sstevel@tonic-gate */ 23857c478bd9Sstevel@tonic-gate if ((prop->name = strdup(opp->oprom_array)) == NULL) { 23867c478bd9Sstevel@tonic-gate free(prop); 23877c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 23887c478bd9Sstevel@tonic-gate } 23897c478bd9Sstevel@tonic-gate 23907c478bd9Sstevel@tonic-gate /* 23917c478bd9Sstevel@tonic-gate * get property value and length 23927c478bd9Sstevel@tonic-gate */ 23937c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 23967c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 23977c478bd9Sstevel@tonic-gate free(prop->name); 23987c478bd9Sstevel@tonic-gate free(prop); 23997c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24007c478bd9Sstevel@tonic-gate } 24017c478bd9Sstevel@tonic-gate 24027c478bd9Sstevel@tonic-gate /* 24037c478bd9Sstevel@tonic-gate * make a copy of the property value 24047c478bd9Sstevel@tonic-gate */ 24057c478bd9Sstevel@tonic-gate prop->len = opp->oprom_size; 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate if (prop->len == 0) 24087c478bd9Sstevel@tonic-gate prop->data = NULL; 24097c478bd9Sstevel@tonic-gate else if ((prop->data = malloc(prop->len)) == NULL) { 24107c478bd9Sstevel@tonic-gate free(prop->name); 24117c478bd9Sstevel@tonic-gate free(prop); 24127c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24137c478bd9Sstevel@tonic-gate } 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 24167c478bd9Sstevel@tonic-gate 24177c478bd9Sstevel@tonic-gate /* 24187c478bd9Sstevel@tonic-gate * Prepend prop to list in prom handle 24197c478bd9Sstevel@tonic-gate */ 24207c478bd9Sstevel@tonic-gate prop->next = p->list; 24217c478bd9Sstevel@tonic-gate p->list = prop; 24227c478bd9Sstevel@tonic-gate 24237c478bd9Sstevel@tonic-gate return ((di_prom_prop_t)prop); 24247c478bd9Sstevel@tonic-gate } 24257c478bd9Sstevel@tonic-gate 24267c478bd9Sstevel@tonic-gate di_prom_prop_t 24277c478bd9Sstevel@tonic-gate di_prom_prop_next(di_prom_handle_t ph, di_node_t node, di_prom_prop_t prom_prop) 24287c478bd9Sstevel@tonic-gate { 24297c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 24307c478bd9Sstevel@tonic-gate 24317c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Search next prop for node 0x%p with ph 0x%p\n", 24327c478bd9Sstevel@tonic-gate node, p)); 24337c478bd9Sstevel@tonic-gate 24347c478bd9Sstevel@tonic-gate /* 24357c478bd9Sstevel@tonic-gate * paranoid check 24367c478bd9Sstevel@tonic-gate */ 24377c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 24387c478bd9Sstevel@tonic-gate errno = EINVAL; 24397c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24407c478bd9Sstevel@tonic-gate } 24417c478bd9Sstevel@tonic-gate 24427c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 24437c478bd9Sstevel@tonic-gate errno = ENXIO; 24447c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24457c478bd9Sstevel@tonic-gate } 24467c478bd9Sstevel@tonic-gate 24477c478bd9Sstevel@tonic-gate /* 24487c478bd9Sstevel@tonic-gate * synchronize access to prom file descriptor 24497c478bd9Sstevel@tonic-gate */ 24507c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 24517c478bd9Sstevel@tonic-gate 24527c478bd9Sstevel@tonic-gate /* 24537c478bd9Sstevel@tonic-gate * look for next property 24547c478bd9Sstevel@tonic-gate */ 24557c478bd9Sstevel@tonic-gate prom_prop = di_prom_prop_found(ph, DI_NODE(node)->nodeid, prom_prop); 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 24587c478bd9Sstevel@tonic-gate 24597c478bd9Sstevel@tonic-gate return (prom_prop); 24607c478bd9Sstevel@tonic-gate } 24617c478bd9Sstevel@tonic-gate 24627c478bd9Sstevel@tonic-gate char * 24637c478bd9Sstevel@tonic-gate di_prom_prop_name(di_prom_prop_t prom_prop) 24647c478bd9Sstevel@tonic-gate { 24657c478bd9Sstevel@tonic-gate /* 24667c478bd9Sstevel@tonic-gate * paranoid check 24677c478bd9Sstevel@tonic-gate */ 24687c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 24697c478bd9Sstevel@tonic-gate errno = EINVAL; 24707c478bd9Sstevel@tonic-gate return (NULL); 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->name); 24747c478bd9Sstevel@tonic-gate } 24757c478bd9Sstevel@tonic-gate 24767c478bd9Sstevel@tonic-gate int 24777c478bd9Sstevel@tonic-gate di_prom_prop_data(di_prom_prop_t prom_prop, uchar_t **prom_prop_data) 24787c478bd9Sstevel@tonic-gate { 24797c478bd9Sstevel@tonic-gate /* 24807c478bd9Sstevel@tonic-gate * paranoid check 24817c478bd9Sstevel@tonic-gate */ 24827c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 24837c478bd9Sstevel@tonic-gate errno = EINVAL; 24847c478bd9Sstevel@tonic-gate return (NULL); 24857c478bd9Sstevel@tonic-gate } 24867c478bd9Sstevel@tonic-gate 24877c478bd9Sstevel@tonic-gate *prom_prop_data = ((struct di_prom_prop *)prom_prop)->data; 24887c478bd9Sstevel@tonic-gate 24897c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->len); 24907c478bd9Sstevel@tonic-gate } 24917c478bd9Sstevel@tonic-gate 24927c478bd9Sstevel@tonic-gate /* 24937c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 24947c478bd9Sstevel@tonic-gate * Returns length if found, -1 if prop doesn't exist. 24957c478bd9Sstevel@tonic-gate */ 24967c478bd9Sstevel@tonic-gate static struct di_prom_prop * 24977c478bd9Sstevel@tonic-gate di_prom_prop_lookup_common(di_prom_handle_t ph, di_node_t node, 24987c478bd9Sstevel@tonic-gate const char *prom_prop_name) 24997c478bd9Sstevel@tonic-gate { 25007c478bd9Sstevel@tonic-gate struct openpromio *opp; 25017c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 25027c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 25037c478bd9Sstevel@tonic-gate 25047c478bd9Sstevel@tonic-gate /* 25057c478bd9Sstevel@tonic-gate * paranoid check 25067c478bd9Sstevel@tonic-gate */ 25077c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 25087c478bd9Sstevel@tonic-gate errno = EINVAL; 25097c478bd9Sstevel@tonic-gate return (NULL); 25107c478bd9Sstevel@tonic-gate } 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 25137c478bd9Sstevel@tonic-gate errno = ENXIO; 25147c478bd9Sstevel@tonic-gate return (NULL); 25157c478bd9Sstevel@tonic-gate } 25167c478bd9Sstevel@tonic-gate 25177c478bd9Sstevel@tonic-gate opp = &p->oppbuf.opp; 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 25227c478bd9Sstevel@tonic-gate opp->oprom_node = DI_NODE(node)->nodeid; 25237c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 25247c478bd9Sstevel@tonic-gate errno = ENXIO; 25257c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", 25267c478bd9Sstevel@tonic-gate DI_NODE(node)->nodeid)); 25277c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25287c478bd9Sstevel@tonic-gate return (NULL); 25297c478bd9Sstevel@tonic-gate } 25307c478bd9Sstevel@tonic-gate 25317c478bd9Sstevel@tonic-gate /* 25327c478bd9Sstevel@tonic-gate * get property length 25337c478bd9Sstevel@tonic-gate */ 25347c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 25357c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 25367c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 25377c478bd9Sstevel@tonic-gate 25387c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROPLEN, opp) < 0) || 25397c478bd9Sstevel@tonic-gate (opp->oprom_len == -1)) { 25407c478bd9Sstevel@tonic-gate /* no such property */ 25417c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25427c478bd9Sstevel@tonic-gate return (NULL); 25437c478bd9Sstevel@tonic-gate } 25447c478bd9Sstevel@tonic-gate 25457c478bd9Sstevel@tonic-gate /* 25467c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 25477c478bd9Sstevel@tonic-gate */ 25487c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) { 25497c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25507c478bd9Sstevel@tonic-gate return (NULL); 25517c478bd9Sstevel@tonic-gate } 25527c478bd9Sstevel@tonic-gate prop->name = NULL; /* we don't need the name */ 25537c478bd9Sstevel@tonic-gate prop->len = opp->oprom_len; 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 25567c478bd9Sstevel@tonic-gate prop->data = NULL; 25577c478bd9Sstevel@tonic-gate prop->next = p->list; 25587c478bd9Sstevel@tonic-gate p->list = prop; 25597c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25607c478bd9Sstevel@tonic-gate return (prop); 25617c478bd9Sstevel@tonic-gate } 25627c478bd9Sstevel@tonic-gate 25637c478bd9Sstevel@tonic-gate /* 25647c478bd9Sstevel@tonic-gate * retrieve the property value 25657c478bd9Sstevel@tonic-gate */ 25667c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 25677c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 25687c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 25697c478bd9Sstevel@tonic-gate 25707c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 25717c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 25727c478bd9Sstevel@tonic-gate /* error retrieving property value */ 25737c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25747c478bd9Sstevel@tonic-gate free(prop); 25757c478bd9Sstevel@tonic-gate return (NULL); 25767c478bd9Sstevel@tonic-gate } 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate /* 25797c478bd9Sstevel@tonic-gate * make a copy of the property value, stick in ph->list 25807c478bd9Sstevel@tonic-gate */ 25817c478bd9Sstevel@tonic-gate if ((prop->data = malloc(prop->len)) == NULL) { 25827c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25837c478bd9Sstevel@tonic-gate free(prop); 25847c478bd9Sstevel@tonic-gate return (NULL); 25857c478bd9Sstevel@tonic-gate } 25867c478bd9Sstevel@tonic-gate 25877c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 25887c478bd9Sstevel@tonic-gate 25897c478bd9Sstevel@tonic-gate prop->next = p->list; 25907c478bd9Sstevel@tonic-gate p->list = prop; 25917c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25927c478bd9Sstevel@tonic-gate 25937c478bd9Sstevel@tonic-gate return (prop); 25947c478bd9Sstevel@tonic-gate } 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate int 25977c478bd9Sstevel@tonic-gate di_prom_prop_lookup_ints(di_prom_handle_t ph, di_node_t node, 25987c478bd9Sstevel@tonic-gate const char *prom_prop_name, int **prom_prop_data) 25997c478bd9Sstevel@tonic-gate { 26007c478bd9Sstevel@tonic-gate int len; 26017c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 26027c478bd9Sstevel@tonic-gate 26037c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 26047c478bd9Sstevel@tonic-gate 26057c478bd9Sstevel@tonic-gate if (prop == NULL) { 26067c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26077c478bd9Sstevel@tonic-gate return (-1); 26087c478bd9Sstevel@tonic-gate } 26097c478bd9Sstevel@tonic-gate 26107c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 26117c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26127c478bd9Sstevel@tonic-gate return (0); 26137c478bd9Sstevel@tonic-gate } 26147c478bd9Sstevel@tonic-gate 26157c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 26167c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT, 1); 26177c478bd9Sstevel@tonic-gate *prom_prop_data = (int *)((void *)prop->data); 26187c478bd9Sstevel@tonic-gate 26197c478bd9Sstevel@tonic-gate return (len); 26207c478bd9Sstevel@tonic-gate } 26217c478bd9Sstevel@tonic-gate 26227c478bd9Sstevel@tonic-gate int 26237c478bd9Sstevel@tonic-gate di_prom_prop_lookup_strings(di_prom_handle_t ph, di_node_t node, 26247c478bd9Sstevel@tonic-gate const char *prom_prop_name, char **prom_prop_data) 26257c478bd9Sstevel@tonic-gate { 26267c478bd9Sstevel@tonic-gate int len; 26277c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 26287c478bd9Sstevel@tonic-gate 26297c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 26307c478bd9Sstevel@tonic-gate 26317c478bd9Sstevel@tonic-gate if (prop == NULL) { 26327c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26337c478bd9Sstevel@tonic-gate return (-1); 26347c478bd9Sstevel@tonic-gate } 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 26377c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26387c478bd9Sstevel@tonic-gate return (0); 26397c478bd9Sstevel@tonic-gate } 26407c478bd9Sstevel@tonic-gate 26417c478bd9Sstevel@tonic-gate /* 26427c478bd9Sstevel@tonic-gate * Fix an openprom bug (OBP string not NULL terminated). 26437c478bd9Sstevel@tonic-gate * XXX This should really be fixed in promif. 26447c478bd9Sstevel@tonic-gate */ 26457c478bd9Sstevel@tonic-gate if (((char *)prop->data)[prop->len - 1] != '\0') { 26467c478bd9Sstevel@tonic-gate uchar_t *tmp; 26477c478bd9Sstevel@tonic-gate prop->len++; 26487c478bd9Sstevel@tonic-gate if ((tmp = realloc(prop->data, prop->len)) == NULL) 26497c478bd9Sstevel@tonic-gate return (-1); 26507c478bd9Sstevel@tonic-gate 26517c478bd9Sstevel@tonic-gate prop->data = tmp; 26527c478bd9Sstevel@tonic-gate ((char *)prop->data)[prop->len - 1] = '\0'; 26537c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "OBP string not NULL terminated: " 26547c478bd9Sstevel@tonic-gate "node=%s, prop=%s, val=%s\n", 26557c478bd9Sstevel@tonic-gate di_node_name(node), prom_prop_name, prop->data)); 26567c478bd9Sstevel@tonic-gate } 26577c478bd9Sstevel@tonic-gate 26587c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 26597c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING, 1); 26607c478bd9Sstevel@tonic-gate *prom_prop_data = (char *)prop->data; 26617c478bd9Sstevel@tonic-gate 26627c478bd9Sstevel@tonic-gate return (len); 26637c478bd9Sstevel@tonic-gate } 26647c478bd9Sstevel@tonic-gate 26657c478bd9Sstevel@tonic-gate int 26667c478bd9Sstevel@tonic-gate di_prom_prop_lookup_bytes(di_prom_handle_t ph, di_node_t node, 26677c478bd9Sstevel@tonic-gate const char *prom_prop_name, uchar_t **prom_prop_data) 26687c478bd9Sstevel@tonic-gate { 26697c478bd9Sstevel@tonic-gate int len; 26707c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 26717c478bd9Sstevel@tonic-gate 26727c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 26737c478bd9Sstevel@tonic-gate 26747c478bd9Sstevel@tonic-gate if (prop == NULL) { 26757c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26767c478bd9Sstevel@tonic-gate return (-1); 26777c478bd9Sstevel@tonic-gate } 26787c478bd9Sstevel@tonic-gate 26797c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 26807c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26817c478bd9Sstevel@tonic-gate return (0); 26827c478bd9Sstevel@tonic-gate } 26837c478bd9Sstevel@tonic-gate 26847c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 26857c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE, 1); 26867c478bd9Sstevel@tonic-gate *prom_prop_data = prop->data; 26877c478bd9Sstevel@tonic-gate 26887c478bd9Sstevel@tonic-gate return (len); 26897c478bd9Sstevel@tonic-gate } 26907c478bd9Sstevel@tonic-gate 26917c478bd9Sstevel@tonic-gate di_lnode_t 26927c478bd9Sstevel@tonic-gate di_link_to_lnode(di_link_t link, uint_t endpoint) 26937c478bd9Sstevel@tonic-gate { 26947c478bd9Sstevel@tonic-gate struct di_all *di_all; 26957c478bd9Sstevel@tonic-gate 26967c478bd9Sstevel@tonic-gate if ((link == DI_LINK_NIL) || 26977c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 26987c478bd9Sstevel@tonic-gate errno = EINVAL; 26997c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 27007c478bd9Sstevel@tonic-gate } 27017c478bd9Sstevel@tonic-gate 27027c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)link - DI_LINK(link)->self); 27037c478bd9Sstevel@tonic-gate 27047c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 27057c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->src_lnode)); 27067c478bd9Sstevel@tonic-gate } else { 27077c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->tgt_lnode)); 27087c478bd9Sstevel@tonic-gate } 27097c478bd9Sstevel@tonic-gate /* NOTREACHED */ 27107c478bd9Sstevel@tonic-gate } 27117c478bd9Sstevel@tonic-gate 27127c478bd9Sstevel@tonic-gate char * 27137c478bd9Sstevel@tonic-gate di_lnode_name(di_lnode_t lnode) 27147c478bd9Sstevel@tonic-gate { 27157c478bd9Sstevel@tonic-gate return (di_driver_name(di_lnode_devinfo(lnode))); 27167c478bd9Sstevel@tonic-gate } 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate di_node_t 27197c478bd9Sstevel@tonic-gate di_lnode_devinfo(di_lnode_t lnode) 27207c478bd9Sstevel@tonic-gate { 27217c478bd9Sstevel@tonic-gate struct di_all *di_all; 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 27247c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)di_all + DI_LNODE(lnode)->node)); 27257c478bd9Sstevel@tonic-gate } 27267c478bd9Sstevel@tonic-gate 27277c478bd9Sstevel@tonic-gate int 27287c478bd9Sstevel@tonic-gate di_lnode_devt(di_lnode_t lnode, dev_t *devt) 27297c478bd9Sstevel@tonic-gate { 27307c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || (devt == NULL)) { 27317c478bd9Sstevel@tonic-gate errno = EINVAL; 27327c478bd9Sstevel@tonic-gate return (-1); 27337c478bd9Sstevel@tonic-gate } 27347c478bd9Sstevel@tonic-gate if ((DI_LNODE(lnode)->dev_major == (major_t)-1) && 27357c478bd9Sstevel@tonic-gate (DI_LNODE(lnode)->dev_minor == (minor_t)-1)) 27367c478bd9Sstevel@tonic-gate return (-1); 27377c478bd9Sstevel@tonic-gate 27387c478bd9Sstevel@tonic-gate *devt = makedev(DI_LNODE(lnode)->dev_major, DI_LNODE(lnode)->dev_minor); 27397c478bd9Sstevel@tonic-gate return (0); 27407c478bd9Sstevel@tonic-gate } 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate int 27437c478bd9Sstevel@tonic-gate di_link_spectype(di_link_t link) 27447c478bd9Sstevel@tonic-gate { 27457c478bd9Sstevel@tonic-gate return (DI_LINK(link)->spec_type); 27467c478bd9Sstevel@tonic-gate } 27477c478bd9Sstevel@tonic-gate 27487c478bd9Sstevel@tonic-gate void 27497c478bd9Sstevel@tonic-gate di_minor_private_set(di_minor_t minor, void *data) 27507c478bd9Sstevel@tonic-gate { 27517c478bd9Sstevel@tonic-gate DI_MINOR(minor)->user_private_data = (uintptr_t)data; 27527c478bd9Sstevel@tonic-gate } 27537c478bd9Sstevel@tonic-gate 27547c478bd9Sstevel@tonic-gate void * 27557c478bd9Sstevel@tonic-gate di_minor_private_get(di_minor_t minor) 27567c478bd9Sstevel@tonic-gate { 27578309866bSanish return ((void *)(uintptr_t)DI_MINOR(minor)->user_private_data); 27587c478bd9Sstevel@tonic-gate } 27597c478bd9Sstevel@tonic-gate 27607c478bd9Sstevel@tonic-gate void 27617c478bd9Sstevel@tonic-gate di_node_private_set(di_node_t node, void *data) 27627c478bd9Sstevel@tonic-gate { 27637c478bd9Sstevel@tonic-gate DI_NODE(node)->user_private_data = (uintptr_t)data; 27647c478bd9Sstevel@tonic-gate } 27657c478bd9Sstevel@tonic-gate 27667c478bd9Sstevel@tonic-gate void * 27677c478bd9Sstevel@tonic-gate di_node_private_get(di_node_t node) 27687c478bd9Sstevel@tonic-gate { 27698309866bSanish return ((void *)(uintptr_t)DI_NODE(node)->user_private_data); 27707c478bd9Sstevel@tonic-gate } 27717c478bd9Sstevel@tonic-gate 27727c478bd9Sstevel@tonic-gate void 27737c478bd9Sstevel@tonic-gate di_lnode_private_set(di_lnode_t lnode, void *data) 27747c478bd9Sstevel@tonic-gate { 27757c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->user_private_data = (uintptr_t)data; 27767c478bd9Sstevel@tonic-gate } 27777c478bd9Sstevel@tonic-gate 27787c478bd9Sstevel@tonic-gate void * 27797c478bd9Sstevel@tonic-gate di_lnode_private_get(di_lnode_t lnode) 27807c478bd9Sstevel@tonic-gate { 27818309866bSanish return ((void *)(uintptr_t)DI_LNODE(lnode)->user_private_data); 27827c478bd9Sstevel@tonic-gate } 27837c478bd9Sstevel@tonic-gate 27847c478bd9Sstevel@tonic-gate void 27857c478bd9Sstevel@tonic-gate di_link_private_set(di_link_t link, void *data) 27867c478bd9Sstevel@tonic-gate { 27877c478bd9Sstevel@tonic-gate DI_LINK(link)->user_private_data = (uintptr_t)data; 27887c478bd9Sstevel@tonic-gate } 27897c478bd9Sstevel@tonic-gate 27907c478bd9Sstevel@tonic-gate void * 27917c478bd9Sstevel@tonic-gate di_link_private_get(di_link_t link) 27927c478bd9Sstevel@tonic-gate { 27938309866bSanish return ((void *)(uintptr_t)DI_LINK(link)->user_private_data); 27947c478bd9Sstevel@tonic-gate } 27957c478bd9Sstevel@tonic-gate 27967c478bd9Sstevel@tonic-gate di_lnode_t 27977c478bd9Sstevel@tonic-gate di_lnode_next(di_node_t node, di_lnode_t lnode) 27987c478bd9Sstevel@tonic-gate { 27997c478bd9Sstevel@tonic-gate struct di_all *di_all; 28007c478bd9Sstevel@tonic-gate 28017c478bd9Sstevel@tonic-gate /* 28027c478bd9Sstevel@tonic-gate * paranoid error checking 28037c478bd9Sstevel@tonic-gate */ 28047c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 28057c478bd9Sstevel@tonic-gate errno = EINVAL; 28067c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 28077c478bd9Sstevel@tonic-gate } 28087c478bd9Sstevel@tonic-gate 28097c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 28107c478bd9Sstevel@tonic-gate 28117c478bd9Sstevel@tonic-gate if (lnode == DI_NODE_NIL) { 28127c478bd9Sstevel@tonic-gate if (DI_NODE(node)->lnodes != NULL) 28137c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 28147c478bd9Sstevel@tonic-gate DI_NODE(node)->lnodes)); 28157c478bd9Sstevel@tonic-gate } else { 28167c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->node_next != NULL) 28177c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 28187c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->node_next)); 28197c478bd9Sstevel@tonic-gate } 28207c478bd9Sstevel@tonic-gate 28217c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 28227c478bd9Sstevel@tonic-gate errno = ENXIO; 28237c478bd9Sstevel@tonic-gate else 28247c478bd9Sstevel@tonic-gate errno = ENOTSUP; 28257c478bd9Sstevel@tonic-gate 28267c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 28277c478bd9Sstevel@tonic-gate } 28287c478bd9Sstevel@tonic-gate 28297c478bd9Sstevel@tonic-gate di_link_t 28307c478bd9Sstevel@tonic-gate di_link_next_by_node(di_node_t node, di_link_t link, uint_t endpoint) 28317c478bd9Sstevel@tonic-gate { 28327c478bd9Sstevel@tonic-gate struct di_all *di_all; 28337c478bd9Sstevel@tonic-gate 28347c478bd9Sstevel@tonic-gate /* 28357c478bd9Sstevel@tonic-gate * paranoid error checking 28367c478bd9Sstevel@tonic-gate */ 28377c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || 28387c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 28397c478bd9Sstevel@tonic-gate errno = EINVAL; 28407c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 28417c478bd9Sstevel@tonic-gate } 28427c478bd9Sstevel@tonic-gate 28437c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 28467c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 28477c478bd9Sstevel@tonic-gate if (DI_NODE(node)->src_links != NULL) 28487c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 28497c478bd9Sstevel@tonic-gate DI_NODE(node)->src_links)); 28507c478bd9Sstevel@tonic-gate } else { 28517c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_node_next != NULL) 28527c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 28537c478bd9Sstevel@tonic-gate DI_LINK(link)->src_node_next)); 28547c478bd9Sstevel@tonic-gate } 28557c478bd9Sstevel@tonic-gate } else { 28567c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 28577c478bd9Sstevel@tonic-gate if (DI_NODE(node)->tgt_links != NULL) 28587c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 28597c478bd9Sstevel@tonic-gate DI_NODE(node)->tgt_links)); 28607c478bd9Sstevel@tonic-gate } else { 28617c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_node_next != NULL) 28627c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 28637c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_node_next)); 28647c478bd9Sstevel@tonic-gate } 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 28687c478bd9Sstevel@tonic-gate errno = ENXIO; 28697c478bd9Sstevel@tonic-gate else 28707c478bd9Sstevel@tonic-gate errno = ENOTSUP; 28717c478bd9Sstevel@tonic-gate 28727c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 28737c478bd9Sstevel@tonic-gate } 28747c478bd9Sstevel@tonic-gate 28757c478bd9Sstevel@tonic-gate di_link_t 28767c478bd9Sstevel@tonic-gate di_link_next_by_lnode(di_lnode_t lnode, di_link_t link, uint_t endpoint) 28777c478bd9Sstevel@tonic-gate { 28787c478bd9Sstevel@tonic-gate struct di_all *di_all; 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate /* 28817c478bd9Sstevel@tonic-gate * paranoid error checking 28827c478bd9Sstevel@tonic-gate */ 28837c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || 28847c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 28857c478bd9Sstevel@tonic-gate errno = EINVAL; 28867c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 28877c478bd9Sstevel@tonic-gate } 28887c478bd9Sstevel@tonic-gate 28897c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 28907c478bd9Sstevel@tonic-gate 28917c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 28927c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 28937c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_out == NULL) 28947c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 28957c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 28967c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_out)); 28977c478bd9Sstevel@tonic-gate } else { 28987c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_link_next == NULL) 28997c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 29007c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29017c478bd9Sstevel@tonic-gate DI_LINK(link)->src_link_next)); 29027c478bd9Sstevel@tonic-gate } 29037c478bd9Sstevel@tonic-gate } else { 29047c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 29057c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_in == NULL) 29067c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 29077c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29087c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_in)); 29097c478bd9Sstevel@tonic-gate } else { 29107c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_link_next == NULL) 29117c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 29127c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29137c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_link_next)); 29147c478bd9Sstevel@tonic-gate } 29157c478bd9Sstevel@tonic-gate } 29167c478bd9Sstevel@tonic-gate /* NOTREACHED */ 29177c478bd9Sstevel@tonic-gate } 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate /* 29207c478bd9Sstevel@tonic-gate * Internal library function: 29217c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 29227c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 29237c478bd9Sstevel@tonic-gate * 29247c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 29257c478bd9Sstevel@tonic-gate * first mode. 29267c478bd9Sstevel@tonic-gate */ 29277c478bd9Sstevel@tonic-gate static void 29287c478bd9Sstevel@tonic-gate walk_one_link(struct node_list **headp, uint_t ep, 29297c478bd9Sstevel@tonic-gate void *arg, int (*callback)(di_link_t link, void *arg)) 29307c478bd9Sstevel@tonic-gate { 29317c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 29327c478bd9Sstevel@tonic-gate di_link_t link = DI_LINK_NIL; 29337c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate while ((link = di_link_next_by_node(node, link, ep)) != DI_LINK_NIL) { 29367c478bd9Sstevel@tonic-gate action = callback(link, arg); 29377c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 29387c478bd9Sstevel@tonic-gate break; 29397c478bd9Sstevel@tonic-gate } 29407c478bd9Sstevel@tonic-gate } 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 29437c478bd9Sstevel@tonic-gate } 29447c478bd9Sstevel@tonic-gate 29457c478bd9Sstevel@tonic-gate int 29467c478bd9Sstevel@tonic-gate di_walk_link(di_node_t root, uint_t flag, uint_t endpoint, void *arg, 29477c478bd9Sstevel@tonic-gate int (*link_callback)(di_link_t link, void *arg)) 29487c478bd9Sstevel@tonic-gate { 29497c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 29507c478bd9Sstevel@tonic-gate 29517c478bd9Sstevel@tonic-gate #ifdef DEBUG 29527c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 29537c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking %s link data under %s\n", 29547c478bd9Sstevel@tonic-gate (endpoint == DI_LINK_SRC) ? "src" : "tgt", path)); 29557c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 29567c478bd9Sstevel@tonic-gate #endif 29577c478bd9Sstevel@tonic-gate 29587c478bd9Sstevel@tonic-gate /* 29597c478bd9Sstevel@tonic-gate * paranoid error checking 29607c478bd9Sstevel@tonic-gate */ 29617c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (link_callback == NULL) || (flag != 0) || 29627c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 29637c478bd9Sstevel@tonic-gate errno = EINVAL; 29647c478bd9Sstevel@tonic-gate return (-1); 29657c478bd9Sstevel@tonic-gate } 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 29687c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 29697c478bd9Sstevel@tonic-gate return (-1); 29707c478bd9Sstevel@tonic-gate } 29717c478bd9Sstevel@tonic-gate 29727c478bd9Sstevel@tonic-gate head->next = NULL; 29737c478bd9Sstevel@tonic-gate head->node = root; 29747c478bd9Sstevel@tonic-gate 29757c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start link data walking from node %s\n", 29767c478bd9Sstevel@tonic-gate di_node_name(root))); 29777c478bd9Sstevel@tonic-gate 29787c478bd9Sstevel@tonic-gate while (head != NULL) 29797c478bd9Sstevel@tonic-gate walk_one_link(&head, endpoint, arg, link_callback); 29807c478bd9Sstevel@tonic-gate 29817c478bd9Sstevel@tonic-gate return (0); 29827c478bd9Sstevel@tonic-gate } 29837c478bd9Sstevel@tonic-gate 29847c478bd9Sstevel@tonic-gate /* 29857c478bd9Sstevel@tonic-gate * Internal library function: 29867c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 29877c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 29887c478bd9Sstevel@tonic-gate * 29897c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 29907c478bd9Sstevel@tonic-gate * first mode. 29917c478bd9Sstevel@tonic-gate */ 29927c478bd9Sstevel@tonic-gate static void 29937c478bd9Sstevel@tonic-gate walk_one_lnode(struct node_list **headp, void *arg, 29947c478bd9Sstevel@tonic-gate int (*callback)(di_lnode_t lnode, void *arg)) 29957c478bd9Sstevel@tonic-gate { 29967c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 29977c478bd9Sstevel@tonic-gate di_lnode_t lnode = DI_LNODE_NIL; 29987c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 29997c478bd9Sstevel@tonic-gate 30007c478bd9Sstevel@tonic-gate while ((lnode = di_lnode_next(node, lnode)) != DI_LNODE_NIL) { 30017c478bd9Sstevel@tonic-gate action = callback(lnode, arg); 30027c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 30037c478bd9Sstevel@tonic-gate break; 30047c478bd9Sstevel@tonic-gate } 30057c478bd9Sstevel@tonic-gate } 30067c478bd9Sstevel@tonic-gate 30077c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 30087c478bd9Sstevel@tonic-gate } 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate int 30117c478bd9Sstevel@tonic-gate di_walk_lnode(di_node_t root, uint_t flag, void *arg, 30127c478bd9Sstevel@tonic-gate int (*lnode_callback)(di_lnode_t lnode, void *arg)) 30137c478bd9Sstevel@tonic-gate { 30147c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 30157c478bd9Sstevel@tonic-gate 30167c478bd9Sstevel@tonic-gate #ifdef DEBUG 30177c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 30187c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking lnode data under %s\n", path)); 30197c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 30207c478bd9Sstevel@tonic-gate #endif 30217c478bd9Sstevel@tonic-gate 30227c478bd9Sstevel@tonic-gate /* 30237c478bd9Sstevel@tonic-gate * paranoid error checking 30247c478bd9Sstevel@tonic-gate */ 30257c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (lnode_callback == NULL) || (flag != 0)) { 30267c478bd9Sstevel@tonic-gate errno = EINVAL; 30277c478bd9Sstevel@tonic-gate return (-1); 30287c478bd9Sstevel@tonic-gate } 30297c478bd9Sstevel@tonic-gate 30307c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 30317c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 30327c478bd9Sstevel@tonic-gate return (-1); 30337c478bd9Sstevel@tonic-gate } 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate head->next = NULL; 30367c478bd9Sstevel@tonic-gate head->node = root; 30377c478bd9Sstevel@tonic-gate 30387c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start lnode data walking from node %s\n", 30397c478bd9Sstevel@tonic-gate di_node_name(root))); 30407c478bd9Sstevel@tonic-gate 30417c478bd9Sstevel@tonic-gate while (head != NULL) 30427c478bd9Sstevel@tonic-gate walk_one_lnode(&head, arg, lnode_callback); 30437c478bd9Sstevel@tonic-gate 30447c478bd9Sstevel@tonic-gate return (0); 30457c478bd9Sstevel@tonic-gate } 30467c478bd9Sstevel@tonic-gate 30477c478bd9Sstevel@tonic-gate di_node_t 30487c478bd9Sstevel@tonic-gate di_lookup_node(di_node_t root, char *path) 30497c478bd9Sstevel@tonic-gate { 30507c478bd9Sstevel@tonic-gate struct di_all *dap; 30517c478bd9Sstevel@tonic-gate di_node_t node; 30527c478bd9Sstevel@tonic-gate char copy[MAXPATHLEN]; 30537c478bd9Sstevel@tonic-gate char *slash, *pname, *paddr; 30547c478bd9Sstevel@tonic-gate 30557c478bd9Sstevel@tonic-gate /* 30567c478bd9Sstevel@tonic-gate * Path must be absolute and musn't have duplicate slashes 30577c478bd9Sstevel@tonic-gate */ 30587c478bd9Sstevel@tonic-gate if (*path != '/' || strstr(path, "//")) { 30597c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Invalid path: %s\n", path)); 30607c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 30617c478bd9Sstevel@tonic-gate } 30627c478bd9Sstevel@tonic-gate 30637c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 30647c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "root node is DI_NODE_NIL\n")); 30657c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 30667c478bd9Sstevel@tonic-gate } 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate dap = DI_ALL((caddr_t)root - DI_NODE(root)->self); 30697c478bd9Sstevel@tonic-gate if (strcmp(dap->root_path, "/") != 0) { 30707c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "snapshot root not / : %s\n", dap->root_path)); 30717c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 30727c478bd9Sstevel@tonic-gate } 30737c478bd9Sstevel@tonic-gate 30747c478bd9Sstevel@tonic-gate if (strlcpy(copy, path, sizeof (copy)) >= sizeof (copy)) { 30757c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "path too long: %s\n", path)); 30767c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 30777c478bd9Sstevel@tonic-gate } 30787c478bd9Sstevel@tonic-gate 30797c478bd9Sstevel@tonic-gate for (slash = copy, node = root; slash; ) { 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate /* 30827c478bd9Sstevel@tonic-gate * Handle path = "/" case as well as trailing '/' 30837c478bd9Sstevel@tonic-gate */ 30847c478bd9Sstevel@tonic-gate if (*(slash + 1) == '\0') 30857c478bd9Sstevel@tonic-gate break; 30867c478bd9Sstevel@tonic-gate 30877c478bd9Sstevel@tonic-gate /* 30887c478bd9Sstevel@tonic-gate * More path-components exist. Deal with the next one 30897c478bd9Sstevel@tonic-gate */ 30907c478bd9Sstevel@tonic-gate pname = slash + 1; 30917c478bd9Sstevel@tonic-gate node = di_child_node(node); 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate if (slash = strchr(pname, '/')) 30947c478bd9Sstevel@tonic-gate *slash = '\0'; 30957c478bd9Sstevel@tonic-gate if (paddr = strchr(pname, '@')) 30967c478bd9Sstevel@tonic-gate *paddr++ = '\0'; 30977c478bd9Sstevel@tonic-gate 30987c478bd9Sstevel@tonic-gate for (; node != DI_NODE_NIL; node = di_sibling_node(node)) { 30997c478bd9Sstevel@tonic-gate char *name, *baddr; 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate name = di_node_name(node); 31027c478bd9Sstevel@tonic-gate baddr = di_bus_addr(node); 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate if (strcmp(pname, name) != 0) 31057c478bd9Sstevel@tonic-gate continue; 31067c478bd9Sstevel@tonic-gate 31077c478bd9Sstevel@tonic-gate /* 31087c478bd9Sstevel@tonic-gate * Mappings between a "path-address" and bus-addr 31097c478bd9Sstevel@tonic-gate * 31107c478bd9Sstevel@tonic-gate * paddr baddr 31117c478bd9Sstevel@tonic-gate * --------------------- 31127c478bd9Sstevel@tonic-gate * NULL NULL 31137c478bd9Sstevel@tonic-gate * NULL "" 31147c478bd9Sstevel@tonic-gate * "" N/A (invalid paddr) 31157c478bd9Sstevel@tonic-gate */ 31167c478bd9Sstevel@tonic-gate if (paddr && baddr && strcmp(paddr, baddr) == 0) 31177c478bd9Sstevel@tonic-gate break; 31187c478bd9Sstevel@tonic-gate if (paddr == NULL && (baddr == NULL || *baddr == '\0')) 31197c478bd9Sstevel@tonic-gate break; 31207c478bd9Sstevel@tonic-gate } 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate /* 31237c478bd9Sstevel@tonic-gate * No nodes in the sibling list or there was no match 31247c478bd9Sstevel@tonic-gate */ 31257c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 31267c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s@%s: no node\n", pname, paddr)); 31277c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 31287c478bd9Sstevel@tonic-gate } 31297c478bd9Sstevel@tonic-gate } 31307c478bd9Sstevel@tonic-gate 31317c478bd9Sstevel@tonic-gate assert(node != DI_NODE_NIL); 31327c478bd9Sstevel@tonic-gate return (node); 31337c478bd9Sstevel@tonic-gate } 31347c478bd9Sstevel@tonic-gate 31357c478bd9Sstevel@tonic-gate static char * 31367c478bd9Sstevel@tonic-gate msglevel2str(di_debug_t msglevel) 31377c478bd9Sstevel@tonic-gate { 31387c478bd9Sstevel@tonic-gate switch (msglevel) { 31397c478bd9Sstevel@tonic-gate case DI_ERR: 31407c478bd9Sstevel@tonic-gate return ("ERROR"); 31417c478bd9Sstevel@tonic-gate case DI_INFO: 31427c478bd9Sstevel@tonic-gate return ("Info"); 31437c478bd9Sstevel@tonic-gate case DI_TRACE: 31447c478bd9Sstevel@tonic-gate return ("Trace"); 31457c478bd9Sstevel@tonic-gate case DI_TRACE1: 31467c478bd9Sstevel@tonic-gate return ("Trace1"); 31477c478bd9Sstevel@tonic-gate case DI_TRACE2: 31487c478bd9Sstevel@tonic-gate return ("Trace2"); 31497c478bd9Sstevel@tonic-gate default: 31507c478bd9Sstevel@tonic-gate return ("UNKNOWN"); 31517c478bd9Sstevel@tonic-gate } 31527c478bd9Sstevel@tonic-gate } 31537c478bd9Sstevel@tonic-gate 31547c478bd9Sstevel@tonic-gate void 31557c478bd9Sstevel@tonic-gate dprint(di_debug_t msglevel, const char *fmt, ...) 31567c478bd9Sstevel@tonic-gate { 31577c478bd9Sstevel@tonic-gate va_list ap; 31587c478bd9Sstevel@tonic-gate char *estr; 31597c478bd9Sstevel@tonic-gate 31607c478bd9Sstevel@tonic-gate if (di_debug <= DI_QUIET) 31617c478bd9Sstevel@tonic-gate return; 31627c478bd9Sstevel@tonic-gate 31637c478bd9Sstevel@tonic-gate if (di_debug < msglevel) 31647c478bd9Sstevel@tonic-gate return; 31657c478bd9Sstevel@tonic-gate 31667c478bd9Sstevel@tonic-gate estr = msglevel2str(msglevel); 31677c478bd9Sstevel@tonic-gate 31687c478bd9Sstevel@tonic-gate assert(estr); 31697c478bd9Sstevel@tonic-gate 31707c478bd9Sstevel@tonic-gate va_start(ap, fmt); 31717c478bd9Sstevel@tonic-gate 31727c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "libdevinfo[%lu]: %s: ", 31737c478bd9Sstevel@tonic-gate (ulong_t)getpid(), estr); 31747c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 31757c478bd9Sstevel@tonic-gate 31767c478bd9Sstevel@tonic-gate va_end(ap); 31777c478bd9Sstevel@tonic-gate } 31787c478bd9Sstevel@tonic-gate 31797c478bd9Sstevel@tonic-gate /* end of devinfo.c */ 3180