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 53ebafc43Sjveta * Common Development and Distribution License (the "License"). 63ebafc43Sjveta * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*602ca9eaScth * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * Interfaces for getting device configuration data from kernel 307c478bd9Sstevel@tonic-gate * through the devinfo driver. 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <stdio.h> 347c478bd9Sstevel@tonic-gate #include <stdlib.h> 357c478bd9Sstevel@tonic-gate #include <string.h> 367c478bd9Sstevel@tonic-gate #include <strings.h> 377c478bd9Sstevel@tonic-gate #include <stropts.h> 387c478bd9Sstevel@tonic-gate #include <fcntl.h> 397c478bd9Sstevel@tonic-gate #include <poll.h> 407c478bd9Sstevel@tonic-gate #include <synch.h> 417c478bd9Sstevel@tonic-gate #include <unistd.h> 427c478bd9Sstevel@tonic-gate #include <sys/mkdev.h> 437c478bd9Sstevel@tonic-gate #include <sys/obpdefs.h> 447c478bd9Sstevel@tonic-gate #include <sys/stat.h> 457c478bd9Sstevel@tonic-gate #include <sys/types.h> 467c478bd9Sstevel@tonic-gate #include <sys/time.h> 477c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 487c478bd9Sstevel@tonic-gate #include <stdarg.h> 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate #define NDEBUG 1 517c478bd9Sstevel@tonic-gate #include <assert.h> 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #include "libdevinfo.h" 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* 567c478bd9Sstevel@tonic-gate * Debug message levels 577c478bd9Sstevel@tonic-gate */ 587c478bd9Sstevel@tonic-gate typedef enum { 597c478bd9Sstevel@tonic-gate DI_QUIET = 0, /* No debug messages - the default */ 607c478bd9Sstevel@tonic-gate DI_ERR = 1, 617c478bd9Sstevel@tonic-gate DI_INFO, 627c478bd9Sstevel@tonic-gate DI_TRACE, 637c478bd9Sstevel@tonic-gate DI_TRACE1, 647c478bd9Sstevel@tonic-gate DI_TRACE2 657c478bd9Sstevel@tonic-gate } di_debug_t; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate int di_debug = DI_QUIET; 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate #define DPRINTF(args) { if (di_debug != DI_QUIET) dprint args; } 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate void dprint(di_debug_t msglevel, const char *fmt, ...); 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #pragma init(_libdevinfo_init) 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate void 777c478bd9Sstevel@tonic-gate _libdevinfo_init() 787c478bd9Sstevel@tonic-gate { 797c478bd9Sstevel@tonic-gate char *debug_str = getenv("_LIBDEVINFO_DEBUG"); 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate if (debug_str) { 827c478bd9Sstevel@tonic-gate errno = 0; 837c478bd9Sstevel@tonic-gate di_debug = atoi(debug_str); 847c478bd9Sstevel@tonic-gate if (errno || di_debug < DI_QUIET) 857c478bd9Sstevel@tonic-gate di_debug = DI_QUIET; 867c478bd9Sstevel@tonic-gate } 877c478bd9Sstevel@tonic-gate } 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate di_node_t 907c478bd9Sstevel@tonic-gate di_init(const char *phys_path, uint_t flag) 917c478bd9Sstevel@tonic-gate { 927c478bd9Sstevel@tonic-gate return (di_init_impl(phys_path, flag, NULL)); 937c478bd9Sstevel@tonic-gate } 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* 967c478bd9Sstevel@tonic-gate * We use blocking_open() to guarantee access to the devinfo device, if open() 977c478bd9Sstevel@tonic-gate * is failing with EAGAIN. 987c478bd9Sstevel@tonic-gate */ 997c478bd9Sstevel@tonic-gate static int 1007c478bd9Sstevel@tonic-gate blocking_open(const char *path, int oflag) 1017c478bd9Sstevel@tonic-gate { 1027c478bd9Sstevel@tonic-gate int fd; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate while ((fd = open(path, oflag)) == -1 && errno == EAGAIN) 1057c478bd9Sstevel@tonic-gate (void) poll(NULL, 0, 1 * MILLISEC); 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate return (fd); 1087c478bd9Sstevel@tonic-gate } 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate /* private interface */ 1117c478bd9Sstevel@tonic-gate di_node_t 1127c478bd9Sstevel@tonic-gate di_init_driver(const char *drv_name, uint_t flag) 1137c478bd9Sstevel@tonic-gate { 1147c478bd9Sstevel@tonic-gate int fd; 1157c478bd9Sstevel@tonic-gate char driver[MAXPATHLEN]; 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /* 1187c478bd9Sstevel@tonic-gate * Don't allow drv_name to exceed MAXPATHLEN - 1, or 1023, 1197c478bd9Sstevel@tonic-gate * which should be sufficient for any sensible programmer. 1207c478bd9Sstevel@tonic-gate */ 1217c478bd9Sstevel@tonic-gate if ((drv_name == NULL) || (strlen(drv_name) >= MAXPATHLEN)) { 1227c478bd9Sstevel@tonic-gate errno = EINVAL; 1237c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1247c478bd9Sstevel@tonic-gate } 1257c478bd9Sstevel@tonic-gate (void) strcpy(driver, drv_name); 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* 1287c478bd9Sstevel@tonic-gate * open the devinfo driver 1297c478bd9Sstevel@tonic-gate */ 1307c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 1317c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 1327c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", errno)); 1337c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1347c478bd9Sstevel@tonic-gate } 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOLODRV, driver) != 0) { 1377c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to load driver %s\n", driver)); 1387c478bd9Sstevel@tonic-gate (void) close(fd); 1397c478bd9Sstevel@tonic-gate errno = ENXIO; 1407c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate (void) close(fd); 1437c478bd9Sstevel@tonic-gate 1447c478bd9Sstevel@tonic-gate /* 1457c478bd9Sstevel@tonic-gate * Driver load succeeded, return a snapshot 1467c478bd9Sstevel@tonic-gate */ 1477c478bd9Sstevel@tonic-gate return (di_init("/", flag)); 1487c478bd9Sstevel@tonic-gate } 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate di_node_t 1517c478bd9Sstevel@tonic-gate di_init_impl(const char *phys_path, uint_t flag, 1527c478bd9Sstevel@tonic-gate struct di_priv_data *priv) 1537c478bd9Sstevel@tonic-gate { 1547c478bd9Sstevel@tonic-gate caddr_t pa; 1557c478bd9Sstevel@tonic-gate int fd, map_size; 1567c478bd9Sstevel@tonic-gate struct di_all *dap; 1577c478bd9Sstevel@tonic-gate struct dinfo_io dinfo_io; 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate uint_t pageoffset = sysconf(_SC_PAGESIZE) - 1; 1607c478bd9Sstevel@tonic-gate uint_t pagemask = ~pageoffset; 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_init: taking a snapshot\n")); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* 1657c478bd9Sstevel@tonic-gate * Make sure there is no minor name in the path 1667c478bd9Sstevel@tonic-gate * and the path do not start with /devices.... 1677c478bd9Sstevel@tonic-gate */ 1687c478bd9Sstevel@tonic-gate if (strchr(phys_path, ':') || 1697c478bd9Sstevel@tonic-gate (strncmp(phys_path, "/devices", 8) == 0) || 1707c478bd9Sstevel@tonic-gate (strlen(phys_path) > MAXPATHLEN)) { 1717c478bd9Sstevel@tonic-gate errno = EINVAL; 1727c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1737c478bd9Sstevel@tonic-gate } 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate if (strlen(phys_path) == 0) 1767c478bd9Sstevel@tonic-gate (void) sprintf(dinfo_io.root_path, "/"); 1777c478bd9Sstevel@tonic-gate else if (*phys_path != '/') 1787c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1797c478bd9Sstevel@tonic-gate "/%s", phys_path); 1807c478bd9Sstevel@tonic-gate else 1817c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1827c478bd9Sstevel@tonic-gate "%s", phys_path); 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate /* 1857c478bd9Sstevel@tonic-gate * If private data is requested, copy the format specification 1867c478bd9Sstevel@tonic-gate */ 1877c478bd9Sstevel@tonic-gate if (flag & DINFOPRIVDATA & 0xff) { 1887c478bd9Sstevel@tonic-gate if (priv) 1897c478bd9Sstevel@tonic-gate bcopy(priv, &dinfo_io.priv, 1907c478bd9Sstevel@tonic-gate sizeof (struct di_priv_data)); 1917c478bd9Sstevel@tonic-gate else { 1927c478bd9Sstevel@tonic-gate errno = EINVAL; 1937c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1947c478bd9Sstevel@tonic-gate } 1957c478bd9Sstevel@tonic-gate } 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate /* 1987c478bd9Sstevel@tonic-gate * Attempt to open the devinfo driver. Make a second attempt at the 1997c478bd9Sstevel@tonic-gate * read-only minor node if we don't have privileges to open the full 2007c478bd9Sstevel@tonic-gate * version _and_ if we're not requesting operations that the read-only 2017c478bd9Sstevel@tonic-gate * node can't perform. (Setgid processes would fail an access() test, 2027c478bd9Sstevel@tonic-gate * of course.) 2037c478bd9Sstevel@tonic-gate */ 2047c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 2057c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2067c478bd9Sstevel@tonic-gate if ((flag & DINFOFORCE) == DINFOFORCE || 2077c478bd9Sstevel@tonic-gate (flag & DINFOPRIVDATA) == DINFOPRIVDATA) { 2087c478bd9Sstevel@tonic-gate /* 2097c478bd9Sstevel@tonic-gate * We wanted to perform a privileged operation, but the 2107c478bd9Sstevel@tonic-gate * privileged node isn't available. Don't modify errno 2117c478bd9Sstevel@tonic-gate * on our way out (but display it if we're running with 2127c478bd9Sstevel@tonic-gate * di_debug set). 2137c478bd9Sstevel@tonic-gate */ 2147c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2157c478bd9Sstevel@tonic-gate errno)); 2167c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2177c478bd9Sstevel@tonic-gate } 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo,ro", 2207c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2217c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2227c478bd9Sstevel@tonic-gate errno)); 2237c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate } 2267c478bd9Sstevel@tonic-gate 2277c478bd9Sstevel@tonic-gate /* 2287c478bd9Sstevel@tonic-gate * Verify that there is no major conflict, i.e., we are indeed opening 2297c478bd9Sstevel@tonic-gate * the devinfo driver. 2307c478bd9Sstevel@tonic-gate */ 2317c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOIDENT, NULL) != DI_MAGIC) { 2327c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, 2337c478bd9Sstevel@tonic-gate "driver ID failed; check for major conflict\n")); 2347c478bd9Sstevel@tonic-gate (void) close(fd); 2357c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2367c478bd9Sstevel@tonic-gate } 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate /* 2397c478bd9Sstevel@tonic-gate * create snapshot 2407c478bd9Sstevel@tonic-gate */ 2417c478bd9Sstevel@tonic-gate if ((map_size = ioctl(fd, flag, &dinfo_io)) < 0) { 2427c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo ioctl failed with " 2437c478bd9Sstevel@tonic-gate "error: %d\n", errno)); 2447c478bd9Sstevel@tonic-gate (void) close(fd); 2457c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2467c478bd9Sstevel@tonic-gate } else if (map_size == 0) { 2477c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2487c478bd9Sstevel@tonic-gate errno = ENXIO; 2497c478bd9Sstevel@tonic-gate (void) close(fd); 2507c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2517c478bd9Sstevel@tonic-gate } 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate /* 2547c478bd9Sstevel@tonic-gate * copy snapshot to userland 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate map_size = (map_size + pageoffset) & pagemask; 2577c478bd9Sstevel@tonic-gate if ((pa = valloc(map_size)) == NULL) { 2587c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "valloc failed for snapshot\n")); 2597c478bd9Sstevel@tonic-gate (void) close(fd); 2607c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2617c478bd9Sstevel@tonic-gate } 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOUSRLD, pa) != map_size) { 2647c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to copy snapshot to usrld\n")); 2657c478bd9Sstevel@tonic-gate (void) close(fd); 2667c478bd9Sstevel@tonic-gate free(pa); 2677c478bd9Sstevel@tonic-gate errno = EFAULT; 2687c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2697c478bd9Sstevel@tonic-gate } 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate (void) close(fd); 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate dap = DI_ALL(pa); 2743e2676e0Svikram if (dap->version != DI_SNAPSHOT_VERSION) { 2753e2676e0Svikram DPRINTF((DI_ERR, "wrong snapshot version " 2763e2676e0Svikram "(expected=%d, actual=%d)\n", 2773e2676e0Svikram DI_SNAPSHOT_VERSION, dap->version)); 2783e2676e0Svikram free(pa); 2793e2676e0Svikram errno = ESTALE; 2803e2676e0Svikram return (DI_NODE_NIL); 2813e2676e0Svikram } 2827c478bd9Sstevel@tonic-gate if (dap->top_devinfo == 0) { /* phys_path not found */ 2837c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2847c478bd9Sstevel@tonic-gate free(pa); 2857c478bd9Sstevel@tonic-gate errno = EINVAL; 2867c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2877c478bd9Sstevel@tonic-gate } 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate return (DI_NODE(pa + dap->top_devinfo)); 2907c478bd9Sstevel@tonic-gate } 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate void 2937c478bd9Sstevel@tonic-gate di_fini(di_node_t root) 2947c478bd9Sstevel@tonic-gate { 2957c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_fini: freeing a snapshot\n")); 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* 3007c478bd9Sstevel@tonic-gate * paranoid checking 3017c478bd9Sstevel@tonic-gate */ 3027c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 3037c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_fini called with NIL arg\n")); 3047c478bd9Sstevel@tonic-gate return; 3057c478bd9Sstevel@tonic-gate } 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* 3087c478bd9Sstevel@tonic-gate * The root contains its own offset--self. 3097c478bd9Sstevel@tonic-gate * Subtracting it from root address, we get the starting addr. 3107c478bd9Sstevel@tonic-gate * The map_size is stored at the beginning of snapshot. 3117c478bd9Sstevel@tonic-gate * Once we have starting address and size, we can free(). 3127c478bd9Sstevel@tonic-gate */ 3137c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate free(pa); 3167c478bd9Sstevel@tonic-gate } 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate di_node_t 3197c478bd9Sstevel@tonic-gate di_parent_node(di_node_t node) 3207c478bd9Sstevel@tonic-gate { 3217c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3247c478bd9Sstevel@tonic-gate errno = EINVAL; 3257c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3267c478bd9Sstevel@tonic-gate } 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get parent of node %s\n", di_node_name(node))); 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent) { 3337c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->parent)); 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* 3377c478bd9Sstevel@tonic-gate * Deal with error condition: 3387c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 3397c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 3407c478bd9Sstevel@tonic-gate */ 3417c478bd9Sstevel@tonic-gate if (strcmp(DI_ALL(pa)->root_path, "/") != 0) 3427c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3437c478bd9Sstevel@tonic-gate else 3447c478bd9Sstevel@tonic-gate errno = ENXIO; 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate di_node_t 3507c478bd9Sstevel@tonic-gate di_sibling_node(di_node_t node) 3517c478bd9Sstevel@tonic-gate { 3527c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3557c478bd9Sstevel@tonic-gate errno = EINVAL; 3567c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3577c478bd9Sstevel@tonic-gate } 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get sibling of node %s\n", di_node_name(node))); 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate if (DI_NODE(node)->sibling) { 3647c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->sibling)); 3657c478bd9Sstevel@tonic-gate } 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate /* 3687c478bd9Sstevel@tonic-gate * Deal with error condition: 3697c478bd9Sstevel@tonic-gate * Sibling doesn't exist, figure out if ioctl command 3707c478bd9Sstevel@tonic-gate * has DINFOSUBTREE set. If it doesn't, set errno to 3717c478bd9Sstevel@tonic-gate * ENOTSUP. 3727c478bd9Sstevel@tonic-gate */ 3737c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 3747c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3757c478bd9Sstevel@tonic-gate else 3767c478bd9Sstevel@tonic-gate errno = ENXIO; 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3797c478bd9Sstevel@tonic-gate } 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate di_node_t 3827c478bd9Sstevel@tonic-gate di_child_node(di_node_t node) 3837c478bd9Sstevel@tonic-gate { 3847c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get child of node %s\n", di_node_name(node))); 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3897c478bd9Sstevel@tonic-gate errno = EINVAL; 3907c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3917c478bd9Sstevel@tonic-gate } 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate if (DI_NODE(node)->child) { 3967c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->child)); 3977c478bd9Sstevel@tonic-gate } 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate /* 4007c478bd9Sstevel@tonic-gate * Deal with error condition: 4017c478bd9Sstevel@tonic-gate * Child doesn't exist, figure out if DINFOSUBTREE is set. 4027c478bd9Sstevel@tonic-gate * If it isn't, set errno to ENOTSUP. 4037c478bd9Sstevel@tonic-gate */ 4047c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 4057c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4067c478bd9Sstevel@tonic-gate else 4077c478bd9Sstevel@tonic-gate errno = ENXIO; 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4107c478bd9Sstevel@tonic-gate } 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate di_node_t 4137c478bd9Sstevel@tonic-gate di_drv_first_node(const char *drv_name, di_node_t root) 4147c478bd9Sstevel@tonic-gate { 4157c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4167c478bd9Sstevel@tonic-gate int major, devcnt; 4177c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Get first node of driver %s\n", drv_name)); 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 4227c478bd9Sstevel@tonic-gate errno = EINVAL; 4237c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4247c478bd9Sstevel@tonic-gate } 4257c478bd9Sstevel@tonic-gate 4267c478bd9Sstevel@tonic-gate /* 4277c478bd9Sstevel@tonic-gate * get major number of driver 4287c478bd9Sstevel@tonic-gate */ 4297c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 4307c478bd9Sstevel@tonic-gate devcnt = DI_ALL(pa)->devcnt; 4317c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 4327c478bd9Sstevel@tonic-gate 4337c478bd9Sstevel@tonic-gate for (major = 0; major < devcnt; major++) 4347c478bd9Sstevel@tonic-gate if (devnm[major].name && (strcmp(drv_name, 4357c478bd9Sstevel@tonic-gate (char *)(pa + devnm[major].name)) == 0)) 4367c478bd9Sstevel@tonic-gate break; 4377c478bd9Sstevel@tonic-gate 4387c478bd9Sstevel@tonic-gate if (major >= devcnt) { 4397c478bd9Sstevel@tonic-gate errno = EINVAL; 4407c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4417c478bd9Sstevel@tonic-gate } 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate if (!(devnm[major].head)) { 4447c478bd9Sstevel@tonic-gate errno = ENXIO; 4457c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4467c478bd9Sstevel@tonic-gate } 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate return (DI_NODE(pa + devnm[major].head)); 4497c478bd9Sstevel@tonic-gate } 4507c478bd9Sstevel@tonic-gate 4517c478bd9Sstevel@tonic-gate di_node_t 4527c478bd9Sstevel@tonic-gate di_drv_next_node(di_node_t node) 4537c478bd9Sstevel@tonic-gate { 4547c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4557c478bd9Sstevel@tonic-gate 4567c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 4577c478bd9Sstevel@tonic-gate errno = EINVAL; 4587c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4597c478bd9Sstevel@tonic-gate } 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "next node on per driver list:" 4627c478bd9Sstevel@tonic-gate " current=%s, driver=%s\n", 4637c478bd9Sstevel@tonic-gate di_node_name(node), di_driver_name(node))); 4647c478bd9Sstevel@tonic-gate 4657c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == (di_off_t)-1) { 4667c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4677c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4687c478bd9Sstevel@tonic-gate } 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == NULL) { 4737c478bd9Sstevel@tonic-gate errno = ENXIO; 4747c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4757c478bd9Sstevel@tonic-gate } 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->next)); 4787c478bd9Sstevel@tonic-gate } 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * Internal library interfaces: 4827c478bd9Sstevel@tonic-gate * node_list etc. for node walking 4837c478bd9Sstevel@tonic-gate */ 4847c478bd9Sstevel@tonic-gate struct node_list { 4857c478bd9Sstevel@tonic-gate struct node_list *next; 4867c478bd9Sstevel@tonic-gate di_node_t node; 4877c478bd9Sstevel@tonic-gate }; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate static void 4907c478bd9Sstevel@tonic-gate free_node_list(struct node_list **headp) 4917c478bd9Sstevel@tonic-gate { 4927c478bd9Sstevel@tonic-gate struct node_list *tmp; 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate while (*headp) { 4957c478bd9Sstevel@tonic-gate tmp = *headp; 4967c478bd9Sstevel@tonic-gate *headp = (*headp)->next; 4977c478bd9Sstevel@tonic-gate free(tmp); 4987c478bd9Sstevel@tonic-gate } 4997c478bd9Sstevel@tonic-gate } 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate static void 5027c478bd9Sstevel@tonic-gate append_node_list(struct node_list **headp, struct node_list *list) 5037c478bd9Sstevel@tonic-gate { 5047c478bd9Sstevel@tonic-gate struct node_list *tmp; 5057c478bd9Sstevel@tonic-gate 5067c478bd9Sstevel@tonic-gate if (*headp == NULL) { 5077c478bd9Sstevel@tonic-gate *headp = list; 5087c478bd9Sstevel@tonic-gate return; 5097c478bd9Sstevel@tonic-gate } 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate if (list == NULL) /* a minor optimization */ 5127c478bd9Sstevel@tonic-gate return; 5137c478bd9Sstevel@tonic-gate 5147c478bd9Sstevel@tonic-gate tmp = *headp; 5157c478bd9Sstevel@tonic-gate while (tmp->next) 5167c478bd9Sstevel@tonic-gate tmp = tmp->next; 5177c478bd9Sstevel@tonic-gate 5187c478bd9Sstevel@tonic-gate tmp->next = list; 5197c478bd9Sstevel@tonic-gate } 5207c478bd9Sstevel@tonic-gate 5217c478bd9Sstevel@tonic-gate static void 5227c478bd9Sstevel@tonic-gate prepend_node_list(struct node_list **headp, struct node_list *list) 5237c478bd9Sstevel@tonic-gate { 5247c478bd9Sstevel@tonic-gate struct node_list *tmp; 5257c478bd9Sstevel@tonic-gate 5267c478bd9Sstevel@tonic-gate if (list == NULL) 5277c478bd9Sstevel@tonic-gate return; 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate tmp = *headp; 5307c478bd9Sstevel@tonic-gate *headp = list; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate if (tmp == NULL) /* a minor optimization */ 5337c478bd9Sstevel@tonic-gate return; 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate while (list->next) 5367c478bd9Sstevel@tonic-gate list = list->next; 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate list->next = tmp; 5397c478bd9Sstevel@tonic-gate } 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate /* 5427c478bd9Sstevel@tonic-gate * returns 1 if node is a descendant of parent, 0 otherwise 5437c478bd9Sstevel@tonic-gate */ 5447c478bd9Sstevel@tonic-gate static int 5457c478bd9Sstevel@tonic-gate is_descendant(di_node_t node, di_node_t parent) 5467c478bd9Sstevel@tonic-gate { 5477c478bd9Sstevel@tonic-gate /* 5487c478bd9Sstevel@tonic-gate * DI_NODE_NIL is parent of root, so it is 5497c478bd9Sstevel@tonic-gate * the parent of all nodes. 5507c478bd9Sstevel@tonic-gate */ 5517c478bd9Sstevel@tonic-gate if (parent == DI_NODE_NIL) { 5527c478bd9Sstevel@tonic-gate return (1); 5537c478bd9Sstevel@tonic-gate } 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate do { 5567c478bd9Sstevel@tonic-gate node = di_parent_node(node); 5577c478bd9Sstevel@tonic-gate } while ((node != DI_NODE_NIL) && (node != parent)); 5587c478bd9Sstevel@tonic-gate 5597c478bd9Sstevel@tonic-gate return (node != DI_NODE_NIL); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate 5627c478bd9Sstevel@tonic-gate /* 5637c478bd9Sstevel@tonic-gate * Insert list before the first node which is NOT a descendent of parent. 5647c478bd9Sstevel@tonic-gate * This is needed to reproduce the exact walking order of link generators. 5657c478bd9Sstevel@tonic-gate */ 5667c478bd9Sstevel@tonic-gate static void 5677c478bd9Sstevel@tonic-gate insert_node_list(struct node_list **headp, struct node_list *list, 5687c478bd9Sstevel@tonic-gate di_node_t parent) 5697c478bd9Sstevel@tonic-gate { 5707c478bd9Sstevel@tonic-gate struct node_list *tmp, *tmp1; 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate if (list == NULL) 5737c478bd9Sstevel@tonic-gate return; 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate tmp = *headp; 5767c478bd9Sstevel@tonic-gate if (tmp == NULL) { /* a minor optimization */ 5777c478bd9Sstevel@tonic-gate *headp = list; 5787c478bd9Sstevel@tonic-gate return; 5797c478bd9Sstevel@tonic-gate } 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate if (!is_descendant(tmp->node, parent)) { 5827c478bd9Sstevel@tonic-gate prepend_node_list(headp, list); 5837c478bd9Sstevel@tonic-gate return; 5847c478bd9Sstevel@tonic-gate } 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate /* 5877c478bd9Sstevel@tonic-gate * Find first node which is not a descendant 5887c478bd9Sstevel@tonic-gate */ 5897c478bd9Sstevel@tonic-gate while (tmp->next && is_descendant(tmp->next->node, parent)) { 5907c478bd9Sstevel@tonic-gate tmp = tmp->next; 5917c478bd9Sstevel@tonic-gate } 5927c478bd9Sstevel@tonic-gate 5937c478bd9Sstevel@tonic-gate tmp1 = tmp->next; 5947c478bd9Sstevel@tonic-gate tmp->next = list; 5957c478bd9Sstevel@tonic-gate append_node_list(headp, tmp1); 5967c478bd9Sstevel@tonic-gate } 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate /* 5997c478bd9Sstevel@tonic-gate * Get a linked list of handles of all children 6007c478bd9Sstevel@tonic-gate */ 6017c478bd9Sstevel@tonic-gate static struct node_list * 6027c478bd9Sstevel@tonic-gate get_children(di_node_t node) 6037c478bd9Sstevel@tonic-gate { 6047c478bd9Sstevel@tonic-gate di_node_t child; 6057c478bd9Sstevel@tonic-gate struct node_list *result, *tmp; 6067c478bd9Sstevel@tonic-gate 6077c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Get children of node %s\n", di_node_name(node))); 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate if ((child = di_child_node(node)) == DI_NODE_NIL) { 6107c478bd9Sstevel@tonic-gate return (NULL); 6117c478bd9Sstevel@tonic-gate } 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate if ((result = malloc(sizeof (struct node_list))) == NULL) { 6147c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6157c478bd9Sstevel@tonic-gate return (NULL); 6167c478bd9Sstevel@tonic-gate } 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate result->node = child; 6197c478bd9Sstevel@tonic-gate tmp = result; 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate while ((child = di_sibling_node(tmp->node)) != DI_NODE_NIL) { 6227c478bd9Sstevel@tonic-gate if ((tmp->next = malloc(sizeof (struct node_list))) == NULL) { 6237c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6247c478bd9Sstevel@tonic-gate free_node_list(&result); 6257c478bd9Sstevel@tonic-gate return (NULL); 6267c478bd9Sstevel@tonic-gate } 6277c478bd9Sstevel@tonic-gate tmp = tmp->next; 6287c478bd9Sstevel@tonic-gate tmp->node = child; 6297c478bd9Sstevel@tonic-gate } 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate tmp->next = NULL; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate return (result); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate /* 6377c478bd9Sstevel@tonic-gate * Internal library interface: 6387c478bd9Sstevel@tonic-gate * Delete all siblings of the first node from the node_list, along with 6397c478bd9Sstevel@tonic-gate * the first node itself. 6407c478bd9Sstevel@tonic-gate */ 6417c478bd9Sstevel@tonic-gate static void 6427c478bd9Sstevel@tonic-gate prune_sib(struct node_list **headp) 6437c478bd9Sstevel@tonic-gate { 6447c478bd9Sstevel@tonic-gate di_node_t parent, curr_par, curr_gpar; 6457c478bd9Sstevel@tonic-gate struct node_list *curr, *prev; 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate /* 6487c478bd9Sstevel@tonic-gate * get handle to parent of first node 6497c478bd9Sstevel@tonic-gate */ 6507c478bd9Sstevel@tonic-gate if ((parent = di_parent_node((*headp)->node)) == DI_NODE_NIL) { 6517c478bd9Sstevel@tonic-gate /* 6527c478bd9Sstevel@tonic-gate * This must be the root of the snapshot, so can't 6537c478bd9Sstevel@tonic-gate * have any siblings. 6547c478bd9Sstevel@tonic-gate * 6557c478bd9Sstevel@tonic-gate * XXX Put a check here just in case. 6567c478bd9Sstevel@tonic-gate */ 6577c478bd9Sstevel@tonic-gate if ((*headp)->next) 6587c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unexpected err in di_walk_node.\n")); 6597c478bd9Sstevel@tonic-gate 6607c478bd9Sstevel@tonic-gate free(*headp); 6617c478bd9Sstevel@tonic-gate *headp = NULL; 6627c478bd9Sstevel@tonic-gate return; 6637c478bd9Sstevel@tonic-gate } 6647c478bd9Sstevel@tonic-gate 6657c478bd9Sstevel@tonic-gate /* 6667c478bd9Sstevel@tonic-gate * To be complete, we should also delete the children 6677c478bd9Sstevel@tonic-gate * of siblings that have already been visited. 6687c478bd9Sstevel@tonic-gate * This happens for DI_WALK_SIBFIRST when the first node 6697c478bd9Sstevel@tonic-gate * is NOT the first in the linked list of siblings. 6707c478bd9Sstevel@tonic-gate * 6717c478bd9Sstevel@tonic-gate * Hence, we compare parent with BOTH the parent and grandparent 6727c478bd9Sstevel@tonic-gate * of nodes, and delete node is a match is found. 6737c478bd9Sstevel@tonic-gate */ 6747c478bd9Sstevel@tonic-gate prev = *headp; 6757c478bd9Sstevel@tonic-gate curr = prev->next; 6767c478bd9Sstevel@tonic-gate while (curr) { 6777c478bd9Sstevel@tonic-gate if (((curr_par = di_parent_node(curr->node)) != DI_NODE_NIL) && 6787c478bd9Sstevel@tonic-gate ((curr_par == parent) || ((curr_gpar = 6797c478bd9Sstevel@tonic-gate di_parent_node(curr_par)) != DI_NODE_NIL) && 6807c478bd9Sstevel@tonic-gate (curr_gpar == parent))) { 6817c478bd9Sstevel@tonic-gate /* 6827c478bd9Sstevel@tonic-gate * match parent/grandparent: delete curr 6837c478bd9Sstevel@tonic-gate */ 6847c478bd9Sstevel@tonic-gate prev->next = curr->next; 6857c478bd9Sstevel@tonic-gate free(curr); 6867c478bd9Sstevel@tonic-gate curr = prev->next; 6877c478bd9Sstevel@tonic-gate } else 6887c478bd9Sstevel@tonic-gate curr = curr->next; 6897c478bd9Sstevel@tonic-gate } 6907c478bd9Sstevel@tonic-gate 6917c478bd9Sstevel@tonic-gate /* 6927c478bd9Sstevel@tonic-gate * delete the first node 6937c478bd9Sstevel@tonic-gate */ 6947c478bd9Sstevel@tonic-gate curr = *headp; 6957c478bd9Sstevel@tonic-gate *headp = curr->next; 6967c478bd9Sstevel@tonic-gate free(curr); 6977c478bd9Sstevel@tonic-gate } 6987c478bd9Sstevel@tonic-gate 6997c478bd9Sstevel@tonic-gate /* 7007c478bd9Sstevel@tonic-gate * Internal library function: 7017c478bd9Sstevel@tonic-gate * Update node list based on action (return code from callback) 7027c478bd9Sstevel@tonic-gate * and flag specifying walking behavior. 7037c478bd9Sstevel@tonic-gate */ 7047c478bd9Sstevel@tonic-gate static void 7057c478bd9Sstevel@tonic-gate update_node_list(int action, uint_t flag, struct node_list **headp) 7067c478bd9Sstevel@tonic-gate { 7077c478bd9Sstevel@tonic-gate struct node_list *children, *tmp; 7087c478bd9Sstevel@tonic-gate di_node_t parent = di_parent_node((*headp)->node); 7097c478bd9Sstevel@tonic-gate 7107c478bd9Sstevel@tonic-gate switch (action) { 7117c478bd9Sstevel@tonic-gate case DI_WALK_TERMINATE: 7127c478bd9Sstevel@tonic-gate /* 7137c478bd9Sstevel@tonic-gate * free the node list and be done 7147c478bd9Sstevel@tonic-gate */ 7157c478bd9Sstevel@tonic-gate children = NULL; 7167c478bd9Sstevel@tonic-gate free_node_list(headp); 7177c478bd9Sstevel@tonic-gate break; 7187c478bd9Sstevel@tonic-gate 7197c478bd9Sstevel@tonic-gate case DI_WALK_PRUNESIB: 7207c478bd9Sstevel@tonic-gate /* 7217c478bd9Sstevel@tonic-gate * Get list of children and prune siblings 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7247c478bd9Sstevel@tonic-gate prune_sib(headp); 7257c478bd9Sstevel@tonic-gate break; 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate case DI_WALK_PRUNECHILD: 7287c478bd9Sstevel@tonic-gate /* 7297c478bd9Sstevel@tonic-gate * Set children to NULL and pop first node 7307c478bd9Sstevel@tonic-gate */ 7317c478bd9Sstevel@tonic-gate children = NULL; 7327c478bd9Sstevel@tonic-gate tmp = *headp; 7337c478bd9Sstevel@tonic-gate *headp = tmp->next; 7347c478bd9Sstevel@tonic-gate free(tmp); 7357c478bd9Sstevel@tonic-gate break; 7367c478bd9Sstevel@tonic-gate 7377c478bd9Sstevel@tonic-gate case DI_WALK_CONTINUE: 7387c478bd9Sstevel@tonic-gate default: 7397c478bd9Sstevel@tonic-gate /* 7407c478bd9Sstevel@tonic-gate * Get list of children and pop first node 7417c478bd9Sstevel@tonic-gate */ 7427c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7437c478bd9Sstevel@tonic-gate tmp = *headp; 7447c478bd9Sstevel@tonic-gate *headp = tmp->next; 7457c478bd9Sstevel@tonic-gate free(tmp); 7467c478bd9Sstevel@tonic-gate break; 7477c478bd9Sstevel@tonic-gate } 7487c478bd9Sstevel@tonic-gate 7497c478bd9Sstevel@tonic-gate /* 7507c478bd9Sstevel@tonic-gate * insert the list of children 7517c478bd9Sstevel@tonic-gate */ 7527c478bd9Sstevel@tonic-gate switch (flag) { 7537c478bd9Sstevel@tonic-gate case DI_WALK_CLDFIRST: 7547c478bd9Sstevel@tonic-gate prepend_node_list(headp, children); 7557c478bd9Sstevel@tonic-gate break; 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate case DI_WALK_SIBFIRST: 7587c478bd9Sstevel@tonic-gate append_node_list(headp, children); 7597c478bd9Sstevel@tonic-gate break; 7607c478bd9Sstevel@tonic-gate 7617c478bd9Sstevel@tonic-gate case DI_WALK_LINKGEN: 7627c478bd9Sstevel@tonic-gate default: 7637c478bd9Sstevel@tonic-gate insert_node_list(headp, children, parent); 7647c478bd9Sstevel@tonic-gate break; 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate } 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate /* 7697c478bd9Sstevel@tonic-gate * Internal library function: 7707c478bd9Sstevel@tonic-gate * Invoke callback on one node and update the list of nodes to be walked 7717c478bd9Sstevel@tonic-gate * based on the flag and return code. 7727c478bd9Sstevel@tonic-gate */ 7737c478bd9Sstevel@tonic-gate static void 7747c478bd9Sstevel@tonic-gate walk_one_node(struct node_list **headp, uint_t flag, void *arg, 7757c478bd9Sstevel@tonic-gate int (*callback)(di_node_t, void *)) 7767c478bd9Sstevel@tonic-gate { 7777c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Walking node %s\n", di_node_name((*headp)->node))); 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate update_node_list(callback((*headp)->node, arg), 7807c478bd9Sstevel@tonic-gate flag & DI_WALK_MASK, headp); 7817c478bd9Sstevel@tonic-gate } 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate int 7847c478bd9Sstevel@tonic-gate di_walk_node(di_node_t root, uint_t flag, void *arg, 7857c478bd9Sstevel@tonic-gate int (*node_callback)(di_node_t, void *)) 7867c478bd9Sstevel@tonic-gate { 7877c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 7887c478bd9Sstevel@tonic-gate 7897c478bd9Sstevel@tonic-gate if (root == NULL) { 7907c478bd9Sstevel@tonic-gate errno = EINVAL; 7917c478bd9Sstevel@tonic-gate return (-1); 7927c478bd9Sstevel@tonic-gate } 7937c478bd9Sstevel@tonic-gate 7947c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 7957c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 7967c478bd9Sstevel@tonic-gate return (-1); 7977c478bd9Sstevel@tonic-gate } 7987c478bd9Sstevel@tonic-gate 7997c478bd9Sstevel@tonic-gate head->next = NULL; 8007c478bd9Sstevel@tonic-gate head->node = root; 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start node walking from node %s\n", 8037c478bd9Sstevel@tonic-gate di_node_name(root))); 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate while (head != NULL) 8067c478bd9Sstevel@tonic-gate walk_one_node(&head, flag, arg, node_callback); 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate return (0); 8097c478bd9Sstevel@tonic-gate } 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate /* 8127c478bd9Sstevel@tonic-gate * Internal library function: 8137c478bd9Sstevel@tonic-gate * Invoke callback for each minor on the minor list of first node 8147c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 8157c478bd9Sstevel@tonic-gate * 8167c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 8177c478bd9Sstevel@tonic-gate * first mode. 8187c478bd9Sstevel@tonic-gate */ 8197c478bd9Sstevel@tonic-gate static void 8207c478bd9Sstevel@tonic-gate walk_one_minor_list(struct node_list **headp, const char *desired_type, 8217c478bd9Sstevel@tonic-gate uint_t flag, void *arg, int (*callback)(di_node_t, di_minor_t, void *)) 8227c478bd9Sstevel@tonic-gate { 8237c478bd9Sstevel@tonic-gate int ddm_type; 8247c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 8257c478bd9Sstevel@tonic-gate char *node_type; 8267c478bd9Sstevel@tonic-gate di_minor_t minor = DI_MINOR_NIL; 8277c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) { 8307c478bd9Sstevel@tonic-gate ddm_type = di_minor_type(minor); 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_ALIAS) && !(flag & DI_CHECK_ALIAS)) 8337c478bd9Sstevel@tonic-gate continue; 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_INTERNAL_PATH) && 8367c478bd9Sstevel@tonic-gate !(flag & DI_CHECK_INTERNAL_PATH)) 8377c478bd9Sstevel@tonic-gate continue; 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 8407c478bd9Sstevel@tonic-gate if ((desired_type != NULL) && ((node_type == NULL) || 8417c478bd9Sstevel@tonic-gate strncmp(desired_type, node_type, strlen(desired_type)) 8427c478bd9Sstevel@tonic-gate != 0)) 8437c478bd9Sstevel@tonic-gate continue; 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate if ((action = callback(node, minor, arg)) == 8467c478bd9Sstevel@tonic-gate DI_WALK_TERMINATE) { 8477c478bd9Sstevel@tonic-gate break; 8487c478bd9Sstevel@tonic-gate } 8497c478bd9Sstevel@tonic-gate } 8507c478bd9Sstevel@tonic-gate 8517c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 8527c478bd9Sstevel@tonic-gate } 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate int 8557c478bd9Sstevel@tonic-gate di_walk_minor(di_node_t root, const char *minor_type, uint_t flag, void *arg, 8567c478bd9Sstevel@tonic-gate int (*minor_callback)(di_node_t, di_minor_t, void *)) 8577c478bd9Sstevel@tonic-gate { 8587c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate #ifdef DEBUG 861*602ca9eaScth char *devfspath = di_devfs_path(root); 862*602ca9eaScth DPRINTF((DI_INFO, "walking minor nodes under %s\n", devfspath)); 863*602ca9eaScth di_devfs_path_free(devfspath); 8647c478bd9Sstevel@tonic-gate #endif 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate if (root == NULL) { 8677c478bd9Sstevel@tonic-gate errno = EINVAL; 8687c478bd9Sstevel@tonic-gate return (-1); 8697c478bd9Sstevel@tonic-gate } 8707c478bd9Sstevel@tonic-gate 8717c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 8727c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 8737c478bd9Sstevel@tonic-gate return (-1); 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate head->next = NULL; 8777c478bd9Sstevel@tonic-gate head->node = root; 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start minor walking from node %s\n", 8807c478bd9Sstevel@tonic-gate di_node_name(root))); 8817c478bd9Sstevel@tonic-gate 8827c478bd9Sstevel@tonic-gate while (head != NULL) 8837c478bd9Sstevel@tonic-gate walk_one_minor_list(&head, minor_type, flag, arg, 8847c478bd9Sstevel@tonic-gate minor_callback); 8857c478bd9Sstevel@tonic-gate 8867c478bd9Sstevel@tonic-gate return (0); 8877c478bd9Sstevel@tonic-gate } 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * generic node parameters 8917c478bd9Sstevel@tonic-gate * Calling these routines always succeeds. 8927c478bd9Sstevel@tonic-gate */ 8937c478bd9Sstevel@tonic-gate char * 8947c478bd9Sstevel@tonic-gate di_node_name(di_node_t node) 8957c478bd9Sstevel@tonic-gate { 8967c478bd9Sstevel@tonic-gate return ((caddr_t)node + DI_NODE(node)->node_name - DI_NODE(node)->self); 8977c478bd9Sstevel@tonic-gate } 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate /* returns NULL ptr or a valid ptr to non-NULL string */ 9007c478bd9Sstevel@tonic-gate char * 9017c478bd9Sstevel@tonic-gate di_bus_addr(di_node_t node) 9027c478bd9Sstevel@tonic-gate { 9037c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9047c478bd9Sstevel@tonic-gate 9057c478bd9Sstevel@tonic-gate if (DI_NODE(node)->address == 0) 9067c478bd9Sstevel@tonic-gate return (NULL); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->address)); 9097c478bd9Sstevel@tonic-gate } 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate char * 9127c478bd9Sstevel@tonic-gate di_binding_name(di_node_t node) 9137c478bd9Sstevel@tonic-gate { 9147c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate if (DI_NODE(node)->bind_name == 0) 9177c478bd9Sstevel@tonic-gate return (NULL); 9187c478bd9Sstevel@tonic-gate 9197c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->bind_name)); 9207c478bd9Sstevel@tonic-gate } 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate int 9237c478bd9Sstevel@tonic-gate di_compatible_names(di_node_t node, char **names) 9247c478bd9Sstevel@tonic-gate { 9257c478bd9Sstevel@tonic-gate char *c; 9267c478bd9Sstevel@tonic-gate int len, size, entries = 0; 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate if (DI_NODE(node)->compat_names == 0) { 9297c478bd9Sstevel@tonic-gate *names = NULL; 9307c478bd9Sstevel@tonic-gate return (0); 9317c478bd9Sstevel@tonic-gate } 9327c478bd9Sstevel@tonic-gate 9337c478bd9Sstevel@tonic-gate *names = (caddr_t)node + 9347c478bd9Sstevel@tonic-gate DI_NODE(node)->compat_names - DI_NODE(node)->self; 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate c = *names; 9377c478bd9Sstevel@tonic-gate len = DI_NODE(node)->compat_length; 9387c478bd9Sstevel@tonic-gate while (len > 0) { 9397c478bd9Sstevel@tonic-gate entries++; 9407c478bd9Sstevel@tonic-gate size = strlen(c) + 1; 9417c478bd9Sstevel@tonic-gate len -= size; 9427c478bd9Sstevel@tonic-gate c += size; 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate 9457c478bd9Sstevel@tonic-gate return (entries); 9467c478bd9Sstevel@tonic-gate } 9477c478bd9Sstevel@tonic-gate 9487c478bd9Sstevel@tonic-gate int 9497c478bd9Sstevel@tonic-gate di_instance(di_node_t node) 9507c478bd9Sstevel@tonic-gate { 9517c478bd9Sstevel@tonic-gate return (DI_NODE(node)->instance); 9527c478bd9Sstevel@tonic-gate } 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate /* 9557c478bd9Sstevel@tonic-gate * XXX: emulate the return value of the old implementation 9567c478bd9Sstevel@tonic-gate * using info from devi_node_class and devi_node_attributes. 9577c478bd9Sstevel@tonic-gate */ 9587c478bd9Sstevel@tonic-gate int 9597c478bd9Sstevel@tonic-gate di_nodeid(di_node_t node) 9607c478bd9Sstevel@tonic-gate { 9617c478bd9Sstevel@tonic-gate if (DI_NODE(node)->node_class == DDI_NC_PROM) 9627c478bd9Sstevel@tonic-gate return (DI_PROM_NODEID); 9637c478bd9Sstevel@tonic-gate 9647c478bd9Sstevel@tonic-gate if (DI_NODE(node)->attributes & DDI_PERSISTENT) 9657c478bd9Sstevel@tonic-gate return (DI_SID_NODEID); 9667c478bd9Sstevel@tonic-gate 9677c478bd9Sstevel@tonic-gate return (DI_PSEUDO_NODEID); 9687c478bd9Sstevel@tonic-gate } 9697c478bd9Sstevel@tonic-gate 9707c478bd9Sstevel@tonic-gate uint_t 9717c478bd9Sstevel@tonic-gate di_state(di_node_t node) 9727c478bd9Sstevel@tonic-gate { 9737c478bd9Sstevel@tonic-gate uint_t result = 0; 9747c478bd9Sstevel@tonic-gate 9757c478bd9Sstevel@tonic-gate if (di_node_state(node) < DS_ATTACHED) 9767c478bd9Sstevel@tonic-gate result |= DI_DRIVER_DETACHED; 9777c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_OFFLINE) 9787c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9797c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_DOWN) 9807c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9817c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_QUIESCED) 9827c478bd9Sstevel@tonic-gate result |= DI_BUS_QUIESCED; 9837c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_DOWN) 9847c478bd9Sstevel@tonic-gate result |= DI_BUS_DOWN; 9857c478bd9Sstevel@tonic-gate 9867c478bd9Sstevel@tonic-gate return (result); 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate ddi_node_state_t 9907c478bd9Sstevel@tonic-gate di_node_state(di_node_t node) 9917c478bd9Sstevel@tonic-gate { 9927c478bd9Sstevel@tonic-gate return (DI_NODE(node)->node_state); 9937c478bd9Sstevel@tonic-gate } 9947c478bd9Sstevel@tonic-gate 9953e2676e0Svikram uint_t 9963e2676e0Svikram di_flags(di_node_t node) 9973e2676e0Svikram { 9983e2676e0Svikram return (DI_NODE(node)->flags); 9993e2676e0Svikram } 10003e2676e0Svikram 100125e8c5aaSvikram uint_t 100225e8c5aaSvikram di_retired(di_node_t node) 100325e8c5aaSvikram { 100425e8c5aaSvikram return (di_flags(node) & DEVI_RETIRED); 100525e8c5aaSvikram } 100625e8c5aaSvikram 10077c478bd9Sstevel@tonic-gate ddi_devid_t 10087c478bd9Sstevel@tonic-gate di_devid(di_node_t node) 10097c478bd9Sstevel@tonic-gate { 10107c478bd9Sstevel@tonic-gate if (DI_NODE(node)->devid == 0) 10117c478bd9Sstevel@tonic-gate return (NULL); 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate return ((ddi_devid_t)((caddr_t)node + 10147c478bd9Sstevel@tonic-gate DI_NODE(node)->devid - DI_NODE(node)->self)); 10157c478bd9Sstevel@tonic-gate } 10167c478bd9Sstevel@tonic-gate 10177c478bd9Sstevel@tonic-gate int 10187c478bd9Sstevel@tonic-gate di_driver_major(di_node_t node) 10197c478bd9Sstevel@tonic-gate { 10207c478bd9Sstevel@tonic-gate int major; 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10237c478bd9Sstevel@tonic-gate if (major < 0) 10247c478bd9Sstevel@tonic-gate return (-1); 10257c478bd9Sstevel@tonic-gate return (major); 10267c478bd9Sstevel@tonic-gate } 10277c478bd9Sstevel@tonic-gate 10287c478bd9Sstevel@tonic-gate char * 10297c478bd9Sstevel@tonic-gate di_driver_name(di_node_t node) 10307c478bd9Sstevel@tonic-gate { 10317c478bd9Sstevel@tonic-gate int major; 10327c478bd9Sstevel@tonic-gate caddr_t pa; 10337c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10367c478bd9Sstevel@tonic-gate if (major < 0) 10377c478bd9Sstevel@tonic-gate return (NULL); 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10407c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate if (devnm[major].name) 10437c478bd9Sstevel@tonic-gate return (pa + devnm[major].name); 10447c478bd9Sstevel@tonic-gate else 10457c478bd9Sstevel@tonic-gate return (NULL); 10467c478bd9Sstevel@tonic-gate } 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate uint_t 10497c478bd9Sstevel@tonic-gate di_driver_ops(di_node_t node) 10507c478bd9Sstevel@tonic-gate { 10517c478bd9Sstevel@tonic-gate int major; 10527c478bd9Sstevel@tonic-gate caddr_t pa; 10537c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10567c478bd9Sstevel@tonic-gate if (major < 0) 10577c478bd9Sstevel@tonic-gate return (0); 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10607c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate return (devnm[major].ops); 10637c478bd9Sstevel@tonic-gate } 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate /* 10667c478bd9Sstevel@tonic-gate * returns the length of the path, caller must free memory 10677c478bd9Sstevel@tonic-gate */ 10687c478bd9Sstevel@tonic-gate char * 10697c478bd9Sstevel@tonic-gate di_devfs_path(di_node_t node) 10707c478bd9Sstevel@tonic-gate { 10717c478bd9Sstevel@tonic-gate caddr_t pa; 10727c478bd9Sstevel@tonic-gate di_node_t parent; 10737c478bd9Sstevel@tonic-gate int depth = 0, len = 0; 10747c478bd9Sstevel@tonic-gate char *buf, *name[MAX_TREE_DEPTH], *addr[MAX_TREE_DEPTH]; 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 10777c478bd9Sstevel@tonic-gate errno = EINVAL; 10787c478bd9Sstevel@tonic-gate return (NULL); 10797c478bd9Sstevel@tonic-gate } 10807c478bd9Sstevel@tonic-gate 10817c478bd9Sstevel@tonic-gate /* 10827c478bd9Sstevel@tonic-gate * trace back to root, note the node_name & address 10837c478bd9Sstevel@tonic-gate */ 10847c478bd9Sstevel@tonic-gate while ((parent = di_parent_node(node)) != DI_NODE_NIL) { 10857c478bd9Sstevel@tonic-gate name[depth] = di_node_name(node); 10867c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; /* 1 for '/' */ 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate if ((addr[depth] = di_bus_addr(node)) != NULL) 10897c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; /* 1 for '@' */ 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate node = parent; 10927c478bd9Sstevel@tonic-gate depth++; 10937c478bd9Sstevel@tonic-gate } 10947c478bd9Sstevel@tonic-gate 10957c478bd9Sstevel@tonic-gate /* 10967c478bd9Sstevel@tonic-gate * get the path to the root of snapshot 10977c478bd9Sstevel@tonic-gate */ 10987c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10997c478bd9Sstevel@tonic-gate name[depth] = DI_ALL(pa)->root_path; 11007c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11017c478bd9Sstevel@tonic-gate 11027c478bd9Sstevel@tonic-gate /* 11037c478bd9Sstevel@tonic-gate * allocate buffer and assemble path 11047c478bd9Sstevel@tonic-gate */ 11057c478bd9Sstevel@tonic-gate if ((buf = malloc(len)) == NULL) { 11067c478bd9Sstevel@tonic-gate return (NULL); 11077c478bd9Sstevel@tonic-gate } 11087c478bd9Sstevel@tonic-gate 11097c478bd9Sstevel@tonic-gate (void) strcpy(buf, name[depth]); 11107c478bd9Sstevel@tonic-gate len = strlen(buf); 11117c478bd9Sstevel@tonic-gate if (buf[len - 1] == '/') 11127c478bd9Sstevel@tonic-gate len--; /* delete trailing '/' */ 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate while (depth) { 11157c478bd9Sstevel@tonic-gate depth--; 11167c478bd9Sstevel@tonic-gate buf[len] = '/'; 11177c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, name[depth]); 11187c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11197c478bd9Sstevel@tonic-gate if (addr[depth] && addr[depth][0] != '\0') { 11207c478bd9Sstevel@tonic-gate buf[len] = '@'; 11217c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, addr[depth]); 11227c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate } 11257c478bd9Sstevel@tonic-gate 11267c478bd9Sstevel@tonic-gate return (buf); 11277c478bd9Sstevel@tonic-gate } 11287c478bd9Sstevel@tonic-gate 11297c478bd9Sstevel@tonic-gate char * 11307c478bd9Sstevel@tonic-gate di_devfs_minor_path(di_minor_t minor) 11317c478bd9Sstevel@tonic-gate { 11327c478bd9Sstevel@tonic-gate di_node_t node; 1133*602ca9eaScth char *full_path, *name, *devfspath; 11347c478bd9Sstevel@tonic-gate int full_path_len; 11357c478bd9Sstevel@tonic-gate 11367c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 11377c478bd9Sstevel@tonic-gate errno = EINVAL; 11387c478bd9Sstevel@tonic-gate return (NULL); 11397c478bd9Sstevel@tonic-gate } 11407c478bd9Sstevel@tonic-gate 11417c478bd9Sstevel@tonic-gate name = di_minor_name(minor); 11427c478bd9Sstevel@tonic-gate node = di_minor_devinfo(minor); 1143*602ca9eaScth devfspath = di_devfs_path(node); 1144*602ca9eaScth if (devfspath == NULL) 11457c478bd9Sstevel@tonic-gate return (NULL); 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate /* make the full path to the device minor node */ 1148*602ca9eaScth full_path_len = strlen(devfspath) + strlen(name) + 2; 11497c478bd9Sstevel@tonic-gate full_path = (char *)calloc(1, full_path_len); 11507c478bd9Sstevel@tonic-gate if (full_path != NULL) 1151*602ca9eaScth (void) snprintf(full_path, full_path_len, "%s:%s", 1152*602ca9eaScth devfspath, name); 11537c478bd9Sstevel@tonic-gate 1154*602ca9eaScth di_devfs_path_free(devfspath); 11557c478bd9Sstevel@tonic-gate return (full_path); 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate 1158*602ca9eaScth /* 1159*602ca9eaScth * Produce a string representation of path to di_path_t (pathinfo node). This 1160*602ca9eaScth * string is identical to di_devfs_path had the device been enumerated under 1161*602ca9eaScth * the pHCI: it has a base path to pHCI, then uses node_name of client, and 1162*602ca9eaScth * device unit-address of pathinfo node. 1163*602ca9eaScth */ 1164*602ca9eaScth char * 1165*602ca9eaScth di_path_devfs_path(di_path_t path) 1166*602ca9eaScth { 1167*602ca9eaScth di_node_t phci_node; 1168*602ca9eaScth char *phci_path, *path_name, *path_addr; 1169*602ca9eaScth char *full_path; 1170*602ca9eaScth int full_path_len; 1171*602ca9eaScth 1172*602ca9eaScth if (path == DI_PATH_NIL) { 1173*602ca9eaScth errno = EINVAL; 1174*602ca9eaScth return (NULL); 1175*602ca9eaScth } 1176*602ca9eaScth 1177*602ca9eaScth /* get name@addr for path */ 1178*602ca9eaScth path_name = di_path_node_name(path); 1179*602ca9eaScth path_addr = di_path_bus_addr(path); 1180*602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 1181*602ca9eaScth return (NULL); 1182*602ca9eaScth 1183*602ca9eaScth /* base path to pHCI devinfo node */ 1184*602ca9eaScth phci_node = di_path_phci_node(path); 1185*602ca9eaScth if (phci_node == NULL) 1186*602ca9eaScth return (NULL); 1187*602ca9eaScth phci_path = di_devfs_path(phci_node); 1188*602ca9eaScth if (phci_path == NULL) 1189*602ca9eaScth return (NULL); 1190*602ca9eaScth 1191*602ca9eaScth /* make the full string representation of path */ 1192*602ca9eaScth full_path_len = strlen(phci_path) + 1 + strlen(path_name) + 1193*602ca9eaScth 1 + strlen(path_addr) + 1; 1194*602ca9eaScth full_path = (char *)calloc(1, full_path_len); 1195*602ca9eaScth 1196*602ca9eaScth if (full_path != NULL) 1197*602ca9eaScth (void) snprintf(full_path, full_path_len, "%s/%s@%s", 1198*602ca9eaScth phci_path, path_name, path_addr); 1199*602ca9eaScth di_devfs_path_free(phci_path); 1200*602ca9eaScth return (full_path); 1201*602ca9eaScth } 1202*602ca9eaScth 1203*602ca9eaScth char * 1204*602ca9eaScth di_path_client_devfs_path(di_path_t path) 1205*602ca9eaScth { 1206*602ca9eaScth return (di_devfs_path(di_path_client_node(path))); 1207*602ca9eaScth } 1208*602ca9eaScth 12097c478bd9Sstevel@tonic-gate void 12107c478bd9Sstevel@tonic-gate di_devfs_path_free(char *buf) 12117c478bd9Sstevel@tonic-gate { 12127c478bd9Sstevel@tonic-gate if (buf == NULL) { 12137c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_devfs_path_free NULL arg!\n")); 12147c478bd9Sstevel@tonic-gate return; 12157c478bd9Sstevel@tonic-gate } 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate free(buf); 12187c478bd9Sstevel@tonic-gate } 12197c478bd9Sstevel@tonic-gate 1220*602ca9eaScth /* 1221*602ca9eaScth * Return 1 if name is a IEEE-1275 generic name. If new generic 1222*602ca9eaScth * names are defined, they should be added to this table 1223*602ca9eaScth */ 1224*602ca9eaScth static int 1225*602ca9eaScth is_generic(const char *name, int len) 1226*602ca9eaScth { 1227*602ca9eaScth const char **gp; 1228*602ca9eaScth 1229*602ca9eaScth /* from IEEE-1275 recommended practices section 3 */ 1230*602ca9eaScth static const char *generic_names[] = { 1231*602ca9eaScth "atm", 1232*602ca9eaScth "disk", 1233*602ca9eaScth "display", 1234*602ca9eaScth "dma-controller", 1235*602ca9eaScth "ethernet", 1236*602ca9eaScth "fcs", 1237*602ca9eaScth "fdc", 1238*602ca9eaScth "fddi", 1239*602ca9eaScth "fibre-channel", 1240*602ca9eaScth "ide", 1241*602ca9eaScth "interrupt-controller", 1242*602ca9eaScth "isa", 1243*602ca9eaScth "keyboard", 1244*602ca9eaScth "memory", 1245*602ca9eaScth "mouse", 1246*602ca9eaScth "nvram", 1247*602ca9eaScth "pc-card", 1248*602ca9eaScth "pci", 1249*602ca9eaScth "printer", 1250*602ca9eaScth "rtc", 1251*602ca9eaScth "sbus", 1252*602ca9eaScth "scanner", 1253*602ca9eaScth "scsi", 1254*602ca9eaScth "serial", 1255*602ca9eaScth "sound", 1256*602ca9eaScth "ssa", 1257*602ca9eaScth "tape", 1258*602ca9eaScth "timer", 1259*602ca9eaScth "token-ring", 1260*602ca9eaScth "vme", 1261*602ca9eaScth 0 1262*602ca9eaScth }; 1263*602ca9eaScth 1264*602ca9eaScth for (gp = generic_names; *gp; gp++) { 1265*602ca9eaScth if ((strncmp(*gp, name, len) == 0) && 1266*602ca9eaScth (strlen(*gp) == len)) 1267*602ca9eaScth return (1); 1268*602ca9eaScth } 1269*602ca9eaScth return (0); 1270*602ca9eaScth } 1271*602ca9eaScth 1272*602ca9eaScth /* 1273*602ca9eaScth * Determine if two paths below /devices refer to the same device, ignoring 1274*602ca9eaScth * any generic .vs. non-generic 'name' issues in "[[/]name[@addr[:minor]]]*". 1275*602ca9eaScth * Return 1 if the paths match. 1276*602ca9eaScth */ 1277*602ca9eaScth int 1278*602ca9eaScth di_devfs_path_match(const char *dp1, const char *dp2) 1279*602ca9eaScth { 1280*602ca9eaScth const char *p1, *p2; 1281*602ca9eaScth const char *ec1, *ec2; 1282*602ca9eaScth const char *at1, *at2; 1283*602ca9eaScth char nc; 1284*602ca9eaScth int g1, g2; 1285*602ca9eaScth 1286*602ca9eaScth /* progress through both strings */ 1287*602ca9eaScth for (p1 = dp1, p2 = dp2; (*p1 == *p2) && *p1; p1++, p2++) { 1288*602ca9eaScth /* require match until the start of a component */ 1289*602ca9eaScth if (*p1 != '/') 1290*602ca9eaScth continue; 1291*602ca9eaScth 1292*602ca9eaScth /* advance p1 and p2 to start of 'name' in component */ 1293*602ca9eaScth nc = *(p1 + 1); 1294*602ca9eaScth if ((nc == '\0') || (nc == '/')) 1295*602ca9eaScth continue; /* skip trash */ 1296*602ca9eaScth p1++; 1297*602ca9eaScth p2++; 1298*602ca9eaScth 1299*602ca9eaScth /* 1300*602ca9eaScth * Both p1 and p2 point to beginning of 'name' in component. 1301*602ca9eaScth * Determine where current component ends: next '/' or '\0'. 1302*602ca9eaScth */ 1303*602ca9eaScth ec1 = strchr(p1, '/'); 1304*602ca9eaScth if (ec1 == NULL) 1305*602ca9eaScth ec1 = p1 + strlen(p1); 1306*602ca9eaScth ec2 = strchr(p2, '/'); 1307*602ca9eaScth if (ec2 == NULL) 1308*602ca9eaScth ec2 = p2 + strlen(p2); 1309*602ca9eaScth 1310*602ca9eaScth /* Determine where name ends based on whether '@' exists */ 1311*602ca9eaScth at1 = strchr(p1, '@'); 1312*602ca9eaScth at2 = strchr(p2, '@'); 1313*602ca9eaScth if (at1 && (at1 < ec1)) 1314*602ca9eaScth ec1 = at1; 1315*602ca9eaScth if (at2 && (at2 < ec2)) 1316*602ca9eaScth ec2 = at2; 1317*602ca9eaScth 1318*602ca9eaScth /* 1319*602ca9eaScth * At this point p[12] point to beginning of name and 1320*602ca9eaScth * ec[12] point to character past the end of name. Determine 1321*602ca9eaScth * if the names are generic. 1322*602ca9eaScth */ 1323*602ca9eaScth g1 = is_generic(p1, ec1 - p1); 1324*602ca9eaScth g2 = is_generic(p2, ec2 - p2); 1325*602ca9eaScth 1326*602ca9eaScth if (g1 != g2) { 1327*602ca9eaScth /* 1328*602ca9eaScth * one generic and one non-generic 1329*602ca9eaScth * skip past the names in the match. 1330*602ca9eaScth */ 1331*602ca9eaScth p1 = ec1; 1332*602ca9eaScth p2 = ec2; 1333*602ca9eaScth } else { 1334*602ca9eaScth if (*p1 != *p2) 1335*602ca9eaScth break; 1336*602ca9eaScth } 1337*602ca9eaScth } 1338*602ca9eaScth 1339*602ca9eaScth return ((*p1 == *p2) ? 1 : 0); 1340*602ca9eaScth } 1341*602ca9eaScth 13427c478bd9Sstevel@tonic-gate /* minor data access */ 13437c478bd9Sstevel@tonic-gate di_minor_t 13447c478bd9Sstevel@tonic-gate di_minor_next(di_node_t node, di_minor_t minor) 13457c478bd9Sstevel@tonic-gate { 13467c478bd9Sstevel@tonic-gate caddr_t pa; 13477c478bd9Sstevel@tonic-gate 13487c478bd9Sstevel@tonic-gate /* 13497c478bd9Sstevel@tonic-gate * paranoid error checking 13507c478bd9Sstevel@tonic-gate */ 13517c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 13527c478bd9Sstevel@tonic-gate errno = EINVAL; 13537c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13547c478bd9Sstevel@tonic-gate } 13557c478bd9Sstevel@tonic-gate 13567c478bd9Sstevel@tonic-gate /* 13577c478bd9Sstevel@tonic-gate * minor is not NIL 13587c478bd9Sstevel@tonic-gate */ 13597c478bd9Sstevel@tonic-gate if (minor != DI_MINOR_NIL) { 13607c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->next != 0) 13617c478bd9Sstevel@tonic-gate return ((di_minor_t)((void *)((caddr_t)minor - 13627c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->next))); 13637c478bd9Sstevel@tonic-gate else { 13647c478bd9Sstevel@tonic-gate errno = ENXIO; 13657c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13667c478bd9Sstevel@tonic-gate } 13677c478bd9Sstevel@tonic-gate } 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate /* 13707c478bd9Sstevel@tonic-gate * minor is NIL-->caller asks for first minor node 13717c478bd9Sstevel@tonic-gate */ 13727c478bd9Sstevel@tonic-gate if (DI_NODE(node)->minor_data != 0) { 13737c478bd9Sstevel@tonic-gate return (DI_MINOR((caddr_t)node - DI_NODE(node)->self + 13747c478bd9Sstevel@tonic-gate DI_NODE(node)->minor_data)); 13757c478bd9Sstevel@tonic-gate } 13767c478bd9Sstevel@tonic-gate 13777c478bd9Sstevel@tonic-gate /* 13787c478bd9Sstevel@tonic-gate * no minor data-->check if snapshot includes minor data 13797c478bd9Sstevel@tonic-gate * in order to set the correct errno 13807c478bd9Sstevel@tonic-gate */ 13817c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 13827c478bd9Sstevel@tonic-gate if (DINFOMINOR & DI_ALL(pa)->command) 13837c478bd9Sstevel@tonic-gate errno = ENXIO; 13847c478bd9Sstevel@tonic-gate else 13857c478bd9Sstevel@tonic-gate errno = ENOTSUP; 13867c478bd9Sstevel@tonic-gate 13877c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate /* private interface for dealing with alias minor link generation */ 13917c478bd9Sstevel@tonic-gate di_node_t 13927c478bd9Sstevel@tonic-gate di_minor_devinfo(di_minor_t minor) 13937c478bd9Sstevel@tonic-gate { 13947c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 13957c478bd9Sstevel@tonic-gate errno = EINVAL; 13967c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 13977c478bd9Sstevel@tonic-gate } 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)minor - DI_MINOR(minor)->self + 14007c478bd9Sstevel@tonic-gate DI_MINOR(minor)->node)); 14017c478bd9Sstevel@tonic-gate } 14027c478bd9Sstevel@tonic-gate 14037c478bd9Sstevel@tonic-gate ddi_minor_type 14047c478bd9Sstevel@tonic-gate di_minor_type(di_minor_t minor) 14057c478bd9Sstevel@tonic-gate { 14067c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->type); 14077c478bd9Sstevel@tonic-gate } 14087c478bd9Sstevel@tonic-gate 14097c478bd9Sstevel@tonic-gate char * 14107c478bd9Sstevel@tonic-gate di_minor_name(di_minor_t minor) 14117c478bd9Sstevel@tonic-gate { 14127c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->name == 0) 14137c478bd9Sstevel@tonic-gate return (NULL); 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate return ((caddr_t)minor - DI_MINOR(minor)->self + DI_MINOR(minor)->name); 14167c478bd9Sstevel@tonic-gate } 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate dev_t 14197c478bd9Sstevel@tonic-gate di_minor_devt(di_minor_t minor) 14207c478bd9Sstevel@tonic-gate { 14217c478bd9Sstevel@tonic-gate return (makedev(DI_MINOR(minor)->dev_major, 14227c478bd9Sstevel@tonic-gate DI_MINOR(minor)->dev_minor)); 14237c478bd9Sstevel@tonic-gate } 14247c478bd9Sstevel@tonic-gate 14257c478bd9Sstevel@tonic-gate int 14267c478bd9Sstevel@tonic-gate di_minor_spectype(di_minor_t minor) 14277c478bd9Sstevel@tonic-gate { 14287c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->spec_type); 14297c478bd9Sstevel@tonic-gate } 14307c478bd9Sstevel@tonic-gate 14317c478bd9Sstevel@tonic-gate char * 14327c478bd9Sstevel@tonic-gate di_minor_nodetype(di_minor_t minor) 14337c478bd9Sstevel@tonic-gate { 14347c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->node_type == 0) 14357c478bd9Sstevel@tonic-gate return (NULL); 14367c478bd9Sstevel@tonic-gate 14377c478bd9Sstevel@tonic-gate return ((caddr_t)minor - 14387c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->node_type); 14397c478bd9Sstevel@tonic-gate } 14407c478bd9Sstevel@tonic-gate 14417c478bd9Sstevel@tonic-gate /* 14427c478bd9Sstevel@tonic-gate * Single public interface for accessing software properties 14437c478bd9Sstevel@tonic-gate */ 14447c478bd9Sstevel@tonic-gate di_prop_t 14457c478bd9Sstevel@tonic-gate di_prop_next(di_node_t node, di_prop_t prop) 14467c478bd9Sstevel@tonic-gate { 14477c478bd9Sstevel@tonic-gate int list = DI_PROP_DRV_LIST; 14487c478bd9Sstevel@tonic-gate 14497c478bd9Sstevel@tonic-gate /* 14507c478bd9Sstevel@tonic-gate * paranoid check 14517c478bd9Sstevel@tonic-gate */ 14527c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 14537c478bd9Sstevel@tonic-gate errno = EINVAL; 14547c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14557c478bd9Sstevel@tonic-gate } 14567c478bd9Sstevel@tonic-gate 14577c478bd9Sstevel@tonic-gate /* 14587c478bd9Sstevel@tonic-gate * Find which prop list we are at 14597c478bd9Sstevel@tonic-gate */ 14607c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) 14617c478bd9Sstevel@tonic-gate list = DI_PROP(prop)->prop_list; 14627c478bd9Sstevel@tonic-gate 14637c478bd9Sstevel@tonic-gate do { 14647c478bd9Sstevel@tonic-gate switch (list++) { 14657c478bd9Sstevel@tonic-gate case DI_PROP_DRV_LIST: 14667c478bd9Sstevel@tonic-gate prop = di_prop_drv_next(node, prop); 14677c478bd9Sstevel@tonic-gate break; 14687c478bd9Sstevel@tonic-gate case DI_PROP_SYS_LIST: 14697c478bd9Sstevel@tonic-gate prop = di_prop_sys_next(node, prop); 14707c478bd9Sstevel@tonic-gate break; 14717c478bd9Sstevel@tonic-gate case DI_PROP_GLB_LIST: 14727c478bd9Sstevel@tonic-gate prop = di_prop_global_next(node, prop); 14737c478bd9Sstevel@tonic-gate break; 14747c478bd9Sstevel@tonic-gate case DI_PROP_HW_LIST: 14757c478bd9Sstevel@tonic-gate prop = di_prop_hw_next(node, prop); 14767c478bd9Sstevel@tonic-gate break; 14777c478bd9Sstevel@tonic-gate default: /* shouldn't happen */ 14787c478bd9Sstevel@tonic-gate errno = EFAULT; 14797c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate } while ((prop == DI_PROP_NIL) && (list <= DI_PROP_HW_LIST)); 14827c478bd9Sstevel@tonic-gate 14837c478bd9Sstevel@tonic-gate return (prop); 14847c478bd9Sstevel@tonic-gate } 14857c478bd9Sstevel@tonic-gate 14867c478bd9Sstevel@tonic-gate dev_t 14877c478bd9Sstevel@tonic-gate di_prop_devt(di_prop_t prop) 14887c478bd9Sstevel@tonic-gate { 14897c478bd9Sstevel@tonic-gate return (makedev(DI_PROP(prop)->dev_major, DI_PROP(prop)->dev_minor)); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate char * 14937c478bd9Sstevel@tonic-gate di_prop_name(di_prop_t prop) 14947c478bd9Sstevel@tonic-gate { 14957c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_name == 0) 14967c478bd9Sstevel@tonic-gate return (NULL); 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate return ((caddr_t)prop - DI_PROP(prop)->self + DI_PROP(prop)->prop_name); 14997c478bd9Sstevel@tonic-gate } 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate int 15027c478bd9Sstevel@tonic-gate di_prop_type(di_prop_t prop) 15037c478bd9Sstevel@tonic-gate { 15047c478bd9Sstevel@tonic-gate uint_t flags = DI_PROP(prop)->prop_flags; 15057c478bd9Sstevel@tonic-gate 15067c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) 15077c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNDEF_IT); 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15107c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BOOLEAN); 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_TYPE_MASK) == DDI_PROP_TYPE_ANY) 15137c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15147c478bd9Sstevel@tonic-gate 15157c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT) 15167c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 15177c478bd9Sstevel@tonic-gate 15187c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT64) 15197c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 15207c478bd9Sstevel@tonic-gate 15217c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_STRING) 15227c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_BYTE) 15257c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate /* 15287c478bd9Sstevel@tonic-gate * Shouldn't get here. In case we do, return unknown type. 15297c478bd9Sstevel@tonic-gate * 15307c478bd9Sstevel@tonic-gate * XXX--When DDI_PROP_TYPE_COMPOSITE is implemented, we need 15317c478bd9Sstevel@tonic-gate * to add DI_PROP_TYPE_COMPOSITE. 15327c478bd9Sstevel@tonic-gate */ 15337c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unimplemented property type: 0x%x\n", flags)); 15347c478bd9Sstevel@tonic-gate 15357c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15367c478bd9Sstevel@tonic-gate } 15377c478bd9Sstevel@tonic-gate 15387c478bd9Sstevel@tonic-gate /* 15397c478bd9Sstevel@tonic-gate * Extract type-specific values of an property 15407c478bd9Sstevel@tonic-gate */ 15417c478bd9Sstevel@tonic-gate extern int di_prop_decode_common(void *prop_data, int len, 15427c478bd9Sstevel@tonic-gate int ddi_type, int prom); 15437c478bd9Sstevel@tonic-gate 15447c478bd9Sstevel@tonic-gate int 15457c478bd9Sstevel@tonic-gate di_prop_ints(di_prop_t prop, int **prop_data) 15467c478bd9Sstevel@tonic-gate { 15477c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15487c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15497c478bd9Sstevel@tonic-gate 15507c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15517c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15527c478bd9Sstevel@tonic-gate errno = EFAULT; 15537c478bd9Sstevel@tonic-gate *prop_data = NULL; 15547c478bd9Sstevel@tonic-gate return (-1); 15557c478bd9Sstevel@tonic-gate } 15567c478bd9Sstevel@tonic-gate 15577c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15587c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15597c478bd9Sstevel@tonic-gate 15607c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15617c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 15627c478bd9Sstevel@tonic-gate } 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate int 15657c478bd9Sstevel@tonic-gate di_prop_int64(di_prop_t prop, int64_t **prop_data) 15667c478bd9Sstevel@tonic-gate { 15677c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15687c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15717c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15727c478bd9Sstevel@tonic-gate errno = EFAULT; 15737c478bd9Sstevel@tonic-gate *prop_data = NULL; 15747c478bd9Sstevel@tonic-gate return (-1); 15757c478bd9Sstevel@tonic-gate } 15767c478bd9Sstevel@tonic-gate 15777c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15787c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15797c478bd9Sstevel@tonic-gate 15807c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15817c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 15827c478bd9Sstevel@tonic-gate } 15837c478bd9Sstevel@tonic-gate 15847c478bd9Sstevel@tonic-gate int 15857c478bd9Sstevel@tonic-gate di_prop_strings(di_prop_t prop, char **prop_data) 15867c478bd9Sstevel@tonic-gate { 15877c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15887c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15917c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15927c478bd9Sstevel@tonic-gate errno = EFAULT; 15937c478bd9Sstevel@tonic-gate *prop_data = NULL; 15947c478bd9Sstevel@tonic-gate return (-1); 15957c478bd9Sstevel@tonic-gate } 15967c478bd9Sstevel@tonic-gate 15977c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PROP(prop)->self 15987c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16017c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 16027c478bd9Sstevel@tonic-gate } 16037c478bd9Sstevel@tonic-gate 16047c478bd9Sstevel@tonic-gate int 16057c478bd9Sstevel@tonic-gate di_prop_bytes(di_prop_t prop, uchar_t **prop_data) 16067c478bd9Sstevel@tonic-gate { 16077c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 16087c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 16117c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 16127c478bd9Sstevel@tonic-gate errno = EFAULT; 16137c478bd9Sstevel@tonic-gate *prop_data = NULL; 16147c478bd9Sstevel@tonic-gate return (-1); 16157c478bd9Sstevel@tonic-gate } 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self 16187c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16217c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 16227c478bd9Sstevel@tonic-gate } 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate /* 16257c478bd9Sstevel@tonic-gate * returns 1 for match, 0 for no match 16267c478bd9Sstevel@tonic-gate */ 16277c478bd9Sstevel@tonic-gate static int 16287c478bd9Sstevel@tonic-gate match_prop(di_prop_t prop, dev_t match_dev, const char *name, int type) 16297c478bd9Sstevel@tonic-gate { 16307c478bd9Sstevel@tonic-gate int prop_type; 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate #ifdef DEBUG 16337c478bd9Sstevel@tonic-gate if (di_prop_name(prop) == NULL) { 16347c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "libdevinfo: property has no name!\n")); 16357c478bd9Sstevel@tonic-gate return (0); 16367c478bd9Sstevel@tonic-gate } 16377c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 16387c478bd9Sstevel@tonic-gate 16397c478bd9Sstevel@tonic-gate if (strcmp(name, di_prop_name(prop)) != 0) 16407c478bd9Sstevel@tonic-gate return (0); 16417c478bd9Sstevel@tonic-gate 16427c478bd9Sstevel@tonic-gate if ((match_dev != DDI_DEV_T_ANY) && (di_prop_devt(prop) != match_dev)) 16437c478bd9Sstevel@tonic-gate return (0); 16447c478bd9Sstevel@tonic-gate 16457c478bd9Sstevel@tonic-gate /* 16467c478bd9Sstevel@tonic-gate * XXX prop_type is different from DDI_*. See PSARC 1997/127. 16477c478bd9Sstevel@tonic-gate */ 16487c478bd9Sstevel@tonic-gate prop_type = di_prop_type(prop); 16497c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type) && 16507c478bd9Sstevel@tonic-gate (prop_type != DI_PROP_TYPE_BOOLEAN)) 16517c478bd9Sstevel@tonic-gate return (0); 16527c478bd9Sstevel@tonic-gate 16537c478bd9Sstevel@tonic-gate return (1); 16547c478bd9Sstevel@tonic-gate } 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate static di_prop_t 16577c478bd9Sstevel@tonic-gate di_prop_search(dev_t match_dev, di_node_t node, const char *name, 16587c478bd9Sstevel@tonic-gate int type) 16597c478bd9Sstevel@tonic-gate { 16607c478bd9Sstevel@tonic-gate di_prop_t prop = DI_PROP_NIL; 16617c478bd9Sstevel@tonic-gate 16627c478bd9Sstevel@tonic-gate /* 16637c478bd9Sstevel@tonic-gate * The check on match_dev follows ddi_prop_lookup_common(). 16647c478bd9Sstevel@tonic-gate * Other checks are libdevinfo specific implementation. 16657c478bd9Sstevel@tonic-gate */ 16667c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16677c478bd9Sstevel@tonic-gate (match_dev == DDI_DEV_T_NONE) || !DI_PROP_TYPE_VALID(type)) { 16687c478bd9Sstevel@tonic-gate errno = EINVAL; 16697c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16707c478bd9Sstevel@tonic-gate } 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16737c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match prop name %s, devt 0x%lx, type %d\n", 16747c478bd9Sstevel@tonic-gate di_prop_name(prop), di_prop_devt(prop), 16757c478bd9Sstevel@tonic-gate di_prop_type(prop))); 16767c478bd9Sstevel@tonic-gate if (match_prop(prop, match_dev, name, type)) 16777c478bd9Sstevel@tonic-gate return (prop); 16787c478bd9Sstevel@tonic-gate } 16797c478bd9Sstevel@tonic-gate 16807c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16817c478bd9Sstevel@tonic-gate } 16827c478bd9Sstevel@tonic-gate 16833ebafc43Sjveta di_prop_t 16843ebafc43Sjveta di_prop_find(dev_t match_dev, di_node_t node, const char *name) 16853ebafc43Sjveta { 16863ebafc43Sjveta di_prop_t prop = DI_PROP_NIL; 16873ebafc43Sjveta 16883ebafc43Sjveta if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16893ebafc43Sjveta (match_dev == DDI_DEV_T_NONE)) { 16903ebafc43Sjveta errno = EINVAL; 16913ebafc43Sjveta return (DI_PROP_NIL); 16923ebafc43Sjveta } 16933ebafc43Sjveta 16943ebafc43Sjveta while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16953ebafc43Sjveta DPRINTF((DI_TRACE1, "found prop name %s, devt 0x%lx, type %d\n", 16963ebafc43Sjveta di_prop_name(prop), di_prop_devt(prop), 16973ebafc43Sjveta di_prop_type(prop))); 16983ebafc43Sjveta 16993ebafc43Sjveta if (strcmp(name, di_prop_name(prop)) == 0 && 17003ebafc43Sjveta (match_dev == DDI_DEV_T_ANY || 17013ebafc43Sjveta di_prop_devt(prop) == match_dev)) 17023ebafc43Sjveta return (prop); 17033ebafc43Sjveta } 17043ebafc43Sjveta 17053ebafc43Sjveta return (DI_PROP_NIL); 17063ebafc43Sjveta } 17073ebafc43Sjveta 17087c478bd9Sstevel@tonic-gate int 17097c478bd9Sstevel@tonic-gate di_prop_lookup_ints(dev_t dev, di_node_t node, const char *prop_name, 17107c478bd9Sstevel@tonic-gate int **prop_data) 17117c478bd9Sstevel@tonic-gate { 17127c478bd9Sstevel@tonic-gate di_prop_t prop; 17137c478bd9Sstevel@tonic-gate 17147c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17157c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 17167c478bd9Sstevel@tonic-gate return (-1); 17177c478bd9Sstevel@tonic-gate 17187c478bd9Sstevel@tonic-gate return (di_prop_ints(prop, (void *)prop_data)); 17197c478bd9Sstevel@tonic-gate } 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate int 17227c478bd9Sstevel@tonic-gate di_prop_lookup_int64(dev_t dev, di_node_t node, const char *prop_name, 17237c478bd9Sstevel@tonic-gate int64_t **prop_data) 17247c478bd9Sstevel@tonic-gate { 17257c478bd9Sstevel@tonic-gate di_prop_t prop; 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17287c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 17297c478bd9Sstevel@tonic-gate return (-1); 17307c478bd9Sstevel@tonic-gate 17317c478bd9Sstevel@tonic-gate return (di_prop_int64(prop, (void *)prop_data)); 17327c478bd9Sstevel@tonic-gate } 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate int 17357c478bd9Sstevel@tonic-gate di_prop_lookup_strings(dev_t dev, di_node_t node, const char *prop_name, 17367c478bd9Sstevel@tonic-gate char **prop_data) 17377c478bd9Sstevel@tonic-gate { 17387c478bd9Sstevel@tonic-gate di_prop_t prop; 17397c478bd9Sstevel@tonic-gate 17407c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17417c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 17427c478bd9Sstevel@tonic-gate return (-1); 17437c478bd9Sstevel@tonic-gate 17447c478bd9Sstevel@tonic-gate return (di_prop_strings(prop, (void *)prop_data)); 17457c478bd9Sstevel@tonic-gate } 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate int 17487c478bd9Sstevel@tonic-gate di_prop_lookup_bytes(dev_t dev, di_node_t node, const char *prop_name, 17497c478bd9Sstevel@tonic-gate uchar_t **prop_data) 17507c478bd9Sstevel@tonic-gate { 17517c478bd9Sstevel@tonic-gate di_prop_t prop; 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17547c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 17557c478bd9Sstevel@tonic-gate return (-1); 17567c478bd9Sstevel@tonic-gate 17577c478bd9Sstevel@tonic-gate return (di_prop_bytes(prop, (void *)prop_data)); 17587c478bd9Sstevel@tonic-gate } 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate /* 17617c478bd9Sstevel@tonic-gate * Consolidation private property access functions 17627c478bd9Sstevel@tonic-gate */ 17637c478bd9Sstevel@tonic-gate enum prop_type { 17647c478bd9Sstevel@tonic-gate PROP_TYPE_DRV, 17657c478bd9Sstevel@tonic-gate PROP_TYPE_SYS, 17667c478bd9Sstevel@tonic-gate PROP_TYPE_GLOB, 17677c478bd9Sstevel@tonic-gate PROP_TYPE_HW 17687c478bd9Sstevel@tonic-gate }; 17697c478bd9Sstevel@tonic-gate 17707c478bd9Sstevel@tonic-gate static di_prop_t 17717c478bd9Sstevel@tonic-gate di_prop_next_common(di_node_t node, di_prop_t prop, int prop_type) 17727c478bd9Sstevel@tonic-gate { 17737c478bd9Sstevel@tonic-gate caddr_t pa; 17747c478bd9Sstevel@tonic-gate di_off_t prop_off = 0; 17757c478bd9Sstevel@tonic-gate 17767c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 17777c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next) { 17787c478bd9Sstevel@tonic-gate return (DI_PROP((caddr_t)prop - 17797c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 17807c478bd9Sstevel@tonic-gate } else { 17817c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 17827c478bd9Sstevel@tonic-gate } 17837c478bd9Sstevel@tonic-gate } 17847c478bd9Sstevel@tonic-gate 17857c478bd9Sstevel@tonic-gate 17867c478bd9Sstevel@tonic-gate /* 17877c478bd9Sstevel@tonic-gate * prop is NIL, caller asks for first property 17887c478bd9Sstevel@tonic-gate */ 17897c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17907c478bd9Sstevel@tonic-gate switch (prop_type) { 17917c478bd9Sstevel@tonic-gate case PROP_TYPE_DRV: 17927c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->drv_prop; 17937c478bd9Sstevel@tonic-gate break; 17947c478bd9Sstevel@tonic-gate case PROP_TYPE_SYS: 17957c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->sys_prop; 17967c478bd9Sstevel@tonic-gate break; 17977c478bd9Sstevel@tonic-gate case PROP_TYPE_HW: 17987c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->hw_prop; 17997c478bd9Sstevel@tonic-gate break; 18007c478bd9Sstevel@tonic-gate case PROP_TYPE_GLOB: 18017c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->glob_prop; 18027c478bd9Sstevel@tonic-gate if (prop_off == -1) { 18037c478bd9Sstevel@tonic-gate /* no global property */ 18047c478bd9Sstevel@tonic-gate prop_off = 0; 18057c478bd9Sstevel@tonic-gate } else if ((prop_off == 0) && (DI_NODE(node)->drv_major >= 0)) { 18067c478bd9Sstevel@tonic-gate /* refer to devnames array */ 18077c478bd9Sstevel@tonic-gate struct di_devnm *devnm = DI_DEVNM(pa + 18087c478bd9Sstevel@tonic-gate DI_ALL(pa)->devnames + (DI_NODE(node)->drv_major * 18097c478bd9Sstevel@tonic-gate sizeof (struct di_devnm))); 18107c478bd9Sstevel@tonic-gate prop_off = devnm->global_prop; 18117c478bd9Sstevel@tonic-gate } 18127c478bd9Sstevel@tonic-gate break; 18137c478bd9Sstevel@tonic-gate } 18147c478bd9Sstevel@tonic-gate 18157c478bd9Sstevel@tonic-gate if (prop_off) { 18167c478bd9Sstevel@tonic-gate return (DI_PROP(pa + prop_off)); 18177c478bd9Sstevel@tonic-gate } 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate /* 18207c478bd9Sstevel@tonic-gate * no prop found. Check the reason for not found 18217c478bd9Sstevel@tonic-gate */ 18227c478bd9Sstevel@tonic-gate if (DINFOPROP & DI_ALL(pa)->command) 18237c478bd9Sstevel@tonic-gate errno = ENXIO; 18247c478bd9Sstevel@tonic-gate else 18257c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18287c478bd9Sstevel@tonic-gate } 18297c478bd9Sstevel@tonic-gate 18307c478bd9Sstevel@tonic-gate di_prop_t 18317c478bd9Sstevel@tonic-gate di_prop_drv_next(di_node_t node, di_prop_t prop) 18327c478bd9Sstevel@tonic-gate { 18337c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_DRV)); 18347c478bd9Sstevel@tonic-gate } 18357c478bd9Sstevel@tonic-gate 18367c478bd9Sstevel@tonic-gate di_prop_t 18377c478bd9Sstevel@tonic-gate di_prop_sys_next(di_node_t node, di_prop_t prop) 18387c478bd9Sstevel@tonic-gate { 18397c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_SYS)); 18407c478bd9Sstevel@tonic-gate } 18417c478bd9Sstevel@tonic-gate 18427c478bd9Sstevel@tonic-gate di_prop_t 18437c478bd9Sstevel@tonic-gate di_prop_global_next(di_node_t node, di_prop_t prop) 18447c478bd9Sstevel@tonic-gate { 18457c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_GLOB)); 18467c478bd9Sstevel@tonic-gate } 18477c478bd9Sstevel@tonic-gate 18487c478bd9Sstevel@tonic-gate di_prop_t 18497c478bd9Sstevel@tonic-gate di_prop_hw_next(di_node_t node, di_prop_t prop) 18507c478bd9Sstevel@tonic-gate { 18517c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_HW)); 18527c478bd9Sstevel@tonic-gate } 18537c478bd9Sstevel@tonic-gate 18547c478bd9Sstevel@tonic-gate int 18557c478bd9Sstevel@tonic-gate di_prop_rawdata(di_prop_t prop, uchar_t **prop_data) 18567c478bd9Sstevel@tonic-gate { 18577c478bd9Sstevel@tonic-gate #ifdef DEBUG 18587c478bd9Sstevel@tonic-gate if (prop == DI_PROP_NIL) { 18597c478bd9Sstevel@tonic-gate errno = EINVAL; 18607c478bd9Sstevel@tonic-gate return (-1); 18617c478bd9Sstevel@tonic-gate } 18627c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 18637c478bd9Sstevel@tonic-gate 18647c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) { 18657c478bd9Sstevel@tonic-gate *prop_data = NULL; 18667c478bd9Sstevel@tonic-gate return (0); 18677c478bd9Sstevel@tonic-gate } 18687c478bd9Sstevel@tonic-gate 18697c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 18707c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 18717c478bd9Sstevel@tonic-gate errno = EFAULT; 18727c478bd9Sstevel@tonic-gate *prop_data = NULL; 18737c478bd9Sstevel@tonic-gate return (-1); 18747c478bd9Sstevel@tonic-gate } 18757c478bd9Sstevel@tonic-gate 18767c478bd9Sstevel@tonic-gate /* 18777c478bd9Sstevel@tonic-gate * No memory allocation. 18787c478bd9Sstevel@tonic-gate */ 18797c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self + 18807c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_data); 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate return (DI_PROP(prop)->prop_len); 18837c478bd9Sstevel@tonic-gate } 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate /* 18867c478bd9Sstevel@tonic-gate * Consolidation private interfaces for accessing I/O multipathing data 18877c478bd9Sstevel@tonic-gate */ 18887c478bd9Sstevel@tonic-gate di_path_t 1889*602ca9eaScth di_path_phci_next_path(di_node_t node, di_path_t path) 18907c478bd9Sstevel@tonic-gate { 18917c478bd9Sstevel@tonic-gate caddr_t pa; 18927c478bd9Sstevel@tonic-gate 18937c478bd9Sstevel@tonic-gate /* 18947c478bd9Sstevel@tonic-gate * path is not NIL 18957c478bd9Sstevel@tonic-gate */ 18967c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 18977c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_p_link != 0) 18987c478bd9Sstevel@tonic-gate return (DI_PATH((void *)((caddr_t)path - 18997c478bd9Sstevel@tonic-gate DI_PATH(path)->self + DI_PATH(path)->path_p_link))); 19007c478bd9Sstevel@tonic-gate else { 19017c478bd9Sstevel@tonic-gate errno = ENXIO; 19027c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19037c478bd9Sstevel@tonic-gate } 19047c478bd9Sstevel@tonic-gate } 19057c478bd9Sstevel@tonic-gate 19067c478bd9Sstevel@tonic-gate /* 19077c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19087c478bd9Sstevel@tonic-gate */ 19097c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_phci != 0) { 1910*602ca9eaScth DPRINTF((DI_INFO, "phci_next_path: returning %p\n", 1911*602ca9eaScth ((caddr_t)node - 19127c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_phci))); 19137c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19147c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_phci)); 19157c478bd9Sstevel@tonic-gate } 19167c478bd9Sstevel@tonic-gate 19177c478bd9Sstevel@tonic-gate /* 19187c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19197c478bd9Sstevel@tonic-gate * to set errno properly. 19207c478bd9Sstevel@tonic-gate */ 19217c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19227c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19237c478bd9Sstevel@tonic-gate errno = ENXIO; 19247c478bd9Sstevel@tonic-gate else 19257c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19267c478bd9Sstevel@tonic-gate 19277c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19287c478bd9Sstevel@tonic-gate } 19297c478bd9Sstevel@tonic-gate 19307c478bd9Sstevel@tonic-gate di_path_t 1931*602ca9eaScth di_path_client_next_path(di_node_t node, di_path_t path) 19327c478bd9Sstevel@tonic-gate { 19337c478bd9Sstevel@tonic-gate caddr_t pa; 19347c478bd9Sstevel@tonic-gate 19357c478bd9Sstevel@tonic-gate /* 19367c478bd9Sstevel@tonic-gate * path is not NIL 19377c478bd9Sstevel@tonic-gate */ 19387c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 19397c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_c_link != 0) 19407c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)path - DI_PATH(path)->self 19417c478bd9Sstevel@tonic-gate + DI_PATH(path)->path_c_link)); 19427c478bd9Sstevel@tonic-gate else { 19437c478bd9Sstevel@tonic-gate errno = ENXIO; 19447c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19457c478bd9Sstevel@tonic-gate } 19467c478bd9Sstevel@tonic-gate } 19477c478bd9Sstevel@tonic-gate 19487c478bd9Sstevel@tonic-gate /* 19497c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19507c478bd9Sstevel@tonic-gate */ 19517c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client != 0) { 1952*602ca9eaScth DPRINTF((DI_INFO, "client_next_path: returning %p\n", 1953*602ca9eaScth ((caddr_t)node - 19547c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_client))); 19557c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19567c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_client)); 19577c478bd9Sstevel@tonic-gate } 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate /* 19607c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19617c478bd9Sstevel@tonic-gate * to set errno properly. 19627c478bd9Sstevel@tonic-gate */ 19637c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19647c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19657c478bd9Sstevel@tonic-gate errno = ENXIO; 19667c478bd9Sstevel@tonic-gate else 19677c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19687c478bd9Sstevel@tonic-gate 19697c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19707c478bd9Sstevel@tonic-gate } 19717c478bd9Sstevel@tonic-gate 19727c478bd9Sstevel@tonic-gate /* 1973*602ca9eaScth * XXX Remove the private di_path_(addr,next,next_phci,next_client) interfaces 1974*602ca9eaScth * below after NWS consolidation switches to using di_path_bus_addr, 1975*602ca9eaScth * di_path_phci_next_path, and di_path_client_next_path per CR6638521. 19767c478bd9Sstevel@tonic-gate */ 19777c478bd9Sstevel@tonic-gate char * 19787c478bd9Sstevel@tonic-gate di_path_addr(di_path_t path, char *buf) 19797c478bd9Sstevel@tonic-gate { 19807c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 19817c478bd9Sstevel@tonic-gate 19827c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate (void) strncpy(buf, (char *)(pa + DI_PATH(path)->path_addr), 19857c478bd9Sstevel@tonic-gate MAXPATHLEN); 19867c478bd9Sstevel@tonic-gate return (buf); 19877c478bd9Sstevel@tonic-gate } 1988*602ca9eaScth di_path_t 1989*602ca9eaScth di_path_next(di_node_t node, di_path_t path) 1990*602ca9eaScth { 1991*602ca9eaScth if (node == DI_NODE_NIL) { 1992*602ca9eaScth errno = EINVAL; 1993*602ca9eaScth return (DI_PATH_NIL); 1994*602ca9eaScth } 1995*602ca9eaScth 1996*602ca9eaScth if (DI_NODE(node)->multipath_client) { 1997*602ca9eaScth return (di_path_client_next_path(node, path)); 1998*602ca9eaScth } else if (DI_NODE(node)->multipath_phci) { 1999*602ca9eaScth return (di_path_phci_next_path(node, path)); 2000*602ca9eaScth } else { 2001*602ca9eaScth /* 2002*602ca9eaScth * The node had multipathing data but didn't appear to be a 2003*602ca9eaScth * phci *or* a client; probably a programmer error. 2004*602ca9eaScth */ 2005*602ca9eaScth errno = EINVAL; 2006*602ca9eaScth return (DI_PATH_NIL); 2007*602ca9eaScth } 2008*602ca9eaScth } 2009*602ca9eaScth di_path_t 2010*602ca9eaScth di_path_next_phci(di_node_t node, di_path_t path) 2011*602ca9eaScth { 2012*602ca9eaScth return (di_path_client_next_path(node, path)); 2013*602ca9eaScth } 2014*602ca9eaScth di_path_t 2015*602ca9eaScth di_path_next_client(di_node_t node, di_path_t path) 2016*602ca9eaScth { 2017*602ca9eaScth return (di_path_phci_next_path(node, path)); 2018*602ca9eaScth } 2019*602ca9eaScth 2020*602ca9eaScth 2021*602ca9eaScth 2022*602ca9eaScth 2023*602ca9eaScth di_path_state_t 2024*602ca9eaScth di_path_state(di_path_t path) 2025*602ca9eaScth { 2026*602ca9eaScth return ((di_path_state_t)DI_PATH(path)->path_state); 2027*602ca9eaScth } 2028*602ca9eaScth 2029*602ca9eaScth char * 2030*602ca9eaScth di_path_node_name(di_path_t path) 2031*602ca9eaScth { 2032*602ca9eaScth di_node_t client_node; 2033*602ca9eaScth 2034*602ca9eaScth /* pathinfo gets node_name from client */ 2035*602ca9eaScth if ((client_node = di_path_client_node(path)) == NULL) 2036*602ca9eaScth return (NULL); 2037*602ca9eaScth return (di_node_name(client_node)); 2038*602ca9eaScth } 2039*602ca9eaScth 2040*602ca9eaScth char * 2041*602ca9eaScth di_path_bus_addr(di_path_t path) 2042*602ca9eaScth { 2043*602ca9eaScth caddr_t pa = (caddr_t)path - DI_PATH(path)->self; 2044*602ca9eaScth 2045*602ca9eaScth if (DI_PATH(path)->path_addr == 0) 2046*602ca9eaScth return (NULL); 2047*602ca9eaScth 2048*602ca9eaScth return ((char *)(pa + DI_PATH(path)->path_addr)); 2049*602ca9eaScth } 2050*602ca9eaScth 2051*602ca9eaScth int 2052*602ca9eaScth di_path_instance(di_path_t path) 2053*602ca9eaScth { 2054*602ca9eaScth return (DI_PATH(path)->path_instance); 2055*602ca9eaScth } 20567c478bd9Sstevel@tonic-gate 20577c478bd9Sstevel@tonic-gate di_node_t 20587c478bd9Sstevel@tonic-gate di_path_client_node(di_path_t path) 20597c478bd9Sstevel@tonic-gate { 20607c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 20617c478bd9Sstevel@tonic-gate 20627c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 20637c478bd9Sstevel@tonic-gate errno = EINVAL; 20647c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 20657c478bd9Sstevel@tonic-gate } 20667c478bd9Sstevel@tonic-gate 20677c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get client node for path %p\n", path)); 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_client) { 20727c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_client)); 20737c478bd9Sstevel@tonic-gate } 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate /* 20767c478bd9Sstevel@tonic-gate * Deal with error condition: 20777c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 20787c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 20797c478bd9Sstevel@tonic-gate */ 20807c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOCLIENT) == 0) 20817c478bd9Sstevel@tonic-gate errno = ENOTSUP; 20827c478bd9Sstevel@tonic-gate else 20837c478bd9Sstevel@tonic-gate errno = ENXIO; 20847c478bd9Sstevel@tonic-gate 20857c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 20867c478bd9Sstevel@tonic-gate } 20877c478bd9Sstevel@tonic-gate 20887c478bd9Sstevel@tonic-gate di_node_t 20897c478bd9Sstevel@tonic-gate di_path_phci_node(di_path_t path) 20907c478bd9Sstevel@tonic-gate { 20917c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 20947c478bd9Sstevel@tonic-gate errno = EINVAL; 20957c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get phci node for path %p\n", path)); 20997c478bd9Sstevel@tonic-gate 21007c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21017c478bd9Sstevel@tonic-gate 21027c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_phci) { 21037c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_phci)); 21047c478bd9Sstevel@tonic-gate } 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate /* 21077c478bd9Sstevel@tonic-gate * Deal with error condition: 21087c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 21097c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 21107c478bd9Sstevel@tonic-gate */ 21117c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOPHCI) == 0) 21127c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21137c478bd9Sstevel@tonic-gate else 21147c478bd9Sstevel@tonic-gate errno = ENXIO; 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 21177c478bd9Sstevel@tonic-gate } 21187c478bd9Sstevel@tonic-gate 21197c478bd9Sstevel@tonic-gate di_path_prop_t 21207c478bd9Sstevel@tonic-gate di_path_prop_next(di_path_t path, di_path_prop_t prop) 21217c478bd9Sstevel@tonic-gate { 21227c478bd9Sstevel@tonic-gate caddr_t pa; 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 21257c478bd9Sstevel@tonic-gate errno = EINVAL; 21267c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21277c478bd9Sstevel@tonic-gate } 21287c478bd9Sstevel@tonic-gate 21297c478bd9Sstevel@tonic-gate /* 21307c478bd9Sstevel@tonic-gate * prop is not NIL 21317c478bd9Sstevel@tonic-gate */ 21327c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 21337c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next != 0) 21347c478bd9Sstevel@tonic-gate return (DI_PATHPROP((caddr_t)prop - 21357c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 21367c478bd9Sstevel@tonic-gate else { 21377c478bd9Sstevel@tonic-gate errno = ENXIO; 21387c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21397c478bd9Sstevel@tonic-gate } 21407c478bd9Sstevel@tonic-gate } 21417c478bd9Sstevel@tonic-gate 21427c478bd9Sstevel@tonic-gate /* 21437c478bd9Sstevel@tonic-gate * prop is NIL-->caller asks for first property 21447c478bd9Sstevel@tonic-gate */ 21457c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21467c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_prop != 0) { 21477c478bd9Sstevel@tonic-gate return (DI_PATHPROP(pa + DI_PATH(path)->path_prop)); 21487c478bd9Sstevel@tonic-gate } 21497c478bd9Sstevel@tonic-gate 21507c478bd9Sstevel@tonic-gate /* 21517c478bd9Sstevel@tonic-gate * no property data-->check if snapshot includes props 21527c478bd9Sstevel@tonic-gate * in order to set the correct errno 21537c478bd9Sstevel@tonic-gate */ 21547c478bd9Sstevel@tonic-gate if (DINFOPROP & (DI_ALL(pa)->command)) 21557c478bd9Sstevel@tonic-gate errno = ENXIO; 21567c478bd9Sstevel@tonic-gate else 21577c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21587c478bd9Sstevel@tonic-gate 21597c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21607c478bd9Sstevel@tonic-gate } 21617c478bd9Sstevel@tonic-gate 21627c478bd9Sstevel@tonic-gate char * 21637c478bd9Sstevel@tonic-gate di_path_prop_name(di_path_prop_t prop) 21647c478bd9Sstevel@tonic-gate { 21657c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 21667c478bd9Sstevel@tonic-gate pa = (caddr_t)prop - DI_PATHPROP(prop)->self; 21677c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_PATHPROP(prop)->prop_name)); 21687c478bd9Sstevel@tonic-gate } 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate int 21717c478bd9Sstevel@tonic-gate di_path_prop_len(di_path_prop_t prop) 21727c478bd9Sstevel@tonic-gate { 21737c478bd9Sstevel@tonic-gate return (DI_PATHPROP(prop)->prop_len); 21747c478bd9Sstevel@tonic-gate } 21757c478bd9Sstevel@tonic-gate 21767c478bd9Sstevel@tonic-gate int 21777c478bd9Sstevel@tonic-gate di_path_prop_type(di_path_prop_t prop) 21787c478bd9Sstevel@tonic-gate { 21797c478bd9Sstevel@tonic-gate switch (DI_PATHPROP(prop)->prop_type) { 21807c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT: 21817c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 21827c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT64: 21837c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 21847c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_BYTE: 21857c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 21867c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_STRING: 21877c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 21887c478bd9Sstevel@tonic-gate } 21897c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 21907c478bd9Sstevel@tonic-gate } 21917c478bd9Sstevel@tonic-gate 21927c478bd9Sstevel@tonic-gate int 21937c478bd9Sstevel@tonic-gate di_path_prop_bytes(di_path_prop_t prop, uchar_t **prop_data) 21947c478bd9Sstevel@tonic-gate { 21957c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 21967c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 21977c478bd9Sstevel@tonic-gate errno = EFAULT; 21987c478bd9Sstevel@tonic-gate *prop_data = NULL; 21997c478bd9Sstevel@tonic-gate return (-1); 22007c478bd9Sstevel@tonic-gate } 22017c478bd9Sstevel@tonic-gate 22027c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PATHPROP(prop)->self 22037c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22067c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 22077c478bd9Sstevel@tonic-gate } 22087c478bd9Sstevel@tonic-gate 22097c478bd9Sstevel@tonic-gate int 22107c478bd9Sstevel@tonic-gate di_path_prop_ints(di_path_prop_t prop, int **prop_data) 22117c478bd9Sstevel@tonic-gate { 22127c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22137c478bd9Sstevel@tonic-gate return (0); 22147c478bd9Sstevel@tonic-gate 22157c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22167c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22177c478bd9Sstevel@tonic-gate errno = EFAULT; 22187c478bd9Sstevel@tonic-gate *prop_data = NULL; 22197c478bd9Sstevel@tonic-gate return (-1); 22207c478bd9Sstevel@tonic-gate } 22217c478bd9Sstevel@tonic-gate 22227c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PATHPROP(prop)->self 22237c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data)); 22247c478bd9Sstevel@tonic-gate 22257c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22267c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 22277c478bd9Sstevel@tonic-gate } 22287c478bd9Sstevel@tonic-gate 22297c478bd9Sstevel@tonic-gate int 22307c478bd9Sstevel@tonic-gate di_path_prop_int64s(di_path_prop_t prop, int64_t **prop_data) 22317c478bd9Sstevel@tonic-gate { 22327c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22337c478bd9Sstevel@tonic-gate return (0); 22347c478bd9Sstevel@tonic-gate 22357c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22367c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22377c478bd9Sstevel@tonic-gate errno = EFAULT; 22387c478bd9Sstevel@tonic-gate *prop_data = NULL; 22397c478bd9Sstevel@tonic-gate return (-1); 22407c478bd9Sstevel@tonic-gate } 22417c478bd9Sstevel@tonic-gate 22427c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - 22437c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->self + DI_PATHPROP(prop)->prop_data)); 22447c478bd9Sstevel@tonic-gate 22457c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22467c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 22477c478bd9Sstevel@tonic-gate } 22487c478bd9Sstevel@tonic-gate 22497c478bd9Sstevel@tonic-gate int 22507c478bd9Sstevel@tonic-gate di_path_prop_strings(di_path_prop_t prop, char **prop_data) 22517c478bd9Sstevel@tonic-gate { 22527c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22537c478bd9Sstevel@tonic-gate return (0); 22547c478bd9Sstevel@tonic-gate 22557c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22567c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22577c478bd9Sstevel@tonic-gate errno = EFAULT; 22587c478bd9Sstevel@tonic-gate *prop_data = NULL; 22597c478bd9Sstevel@tonic-gate return (-1); 22607c478bd9Sstevel@tonic-gate } 22617c478bd9Sstevel@tonic-gate 22627c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PATHPROP(prop)->self 22637c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22647c478bd9Sstevel@tonic-gate 22657c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22667c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 22677c478bd9Sstevel@tonic-gate } 22687c478bd9Sstevel@tonic-gate 22697c478bd9Sstevel@tonic-gate static di_path_prop_t 22707c478bd9Sstevel@tonic-gate di_path_prop_search(di_path_t path, const char *name, int type) 22717c478bd9Sstevel@tonic-gate { 22727c478bd9Sstevel@tonic-gate di_path_prop_t prop = DI_PROP_NIL; 22737c478bd9Sstevel@tonic-gate 22747c478bd9Sstevel@tonic-gate /* 22757c478bd9Sstevel@tonic-gate * Sanity check arguments 22767c478bd9Sstevel@tonic-gate */ 22777c478bd9Sstevel@tonic-gate if ((path == DI_PATH_NIL) || (name == NULL) || (strlen(name) == 0) || 22787c478bd9Sstevel@tonic-gate !DI_PROP_TYPE_VALID(type)) { 22797c478bd9Sstevel@tonic-gate errno = EINVAL; 22807c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate while ((prop = di_path_prop_next(path, prop)) != DI_PROP_NIL) { 22847c478bd9Sstevel@tonic-gate int prop_type = di_path_prop_type(prop); 22857c478bd9Sstevel@tonic-gate 22867c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match path prop name %s, type %d\n", 22877c478bd9Sstevel@tonic-gate di_path_prop_name(prop), prop_type)); 22887c478bd9Sstevel@tonic-gate 22897c478bd9Sstevel@tonic-gate if (strcmp(name, di_path_prop_name(prop)) != 0) 22907c478bd9Sstevel@tonic-gate continue; 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type)) 22937c478bd9Sstevel@tonic-gate continue; 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate return (prop); 22967c478bd9Sstevel@tonic-gate } 22977c478bd9Sstevel@tonic-gate 22987c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 22997c478bd9Sstevel@tonic-gate } 23007c478bd9Sstevel@tonic-gate 23017c478bd9Sstevel@tonic-gate int 23027c478bd9Sstevel@tonic-gate di_path_prop_lookup_bytes(di_path_t path, const char *prop_name, 23037c478bd9Sstevel@tonic-gate uchar_t **prop_data) 23047c478bd9Sstevel@tonic-gate { 23057c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23067c478bd9Sstevel@tonic-gate 23077c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23087c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 23097c478bd9Sstevel@tonic-gate return (-1); 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate return (di_path_prop_bytes(prop, prop_data)); 23127c478bd9Sstevel@tonic-gate } 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate int 23157c478bd9Sstevel@tonic-gate di_path_prop_lookup_ints(di_path_t path, const char *prop_name, 23167c478bd9Sstevel@tonic-gate int **prop_data) 23177c478bd9Sstevel@tonic-gate { 23187c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23197c478bd9Sstevel@tonic-gate 23207c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23217c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 23227c478bd9Sstevel@tonic-gate return (-1); 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate return (di_path_prop_ints(prop, prop_data)); 23257c478bd9Sstevel@tonic-gate } 23267c478bd9Sstevel@tonic-gate 23277c478bd9Sstevel@tonic-gate int 23287c478bd9Sstevel@tonic-gate di_path_prop_lookup_int64s(di_path_t path, const char *prop_name, 23297c478bd9Sstevel@tonic-gate int64_t **prop_data) 23307c478bd9Sstevel@tonic-gate { 23317c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23347c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 23357c478bd9Sstevel@tonic-gate return (-1); 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate return (di_path_prop_int64s(prop, prop_data)); 23387c478bd9Sstevel@tonic-gate } 23397c478bd9Sstevel@tonic-gate 23407c478bd9Sstevel@tonic-gate int di_path_prop_lookup_strings(di_path_t path, const char *prop_name, 23417c478bd9Sstevel@tonic-gate char **prop_data) 23427c478bd9Sstevel@tonic-gate { 23437c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23447c478bd9Sstevel@tonic-gate 23457c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23467c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 23477c478bd9Sstevel@tonic-gate return (-1); 23487c478bd9Sstevel@tonic-gate 23497c478bd9Sstevel@tonic-gate return (di_path_prop_strings(prop, prop_data)); 23507c478bd9Sstevel@tonic-gate } 23517c478bd9Sstevel@tonic-gate 23528c4f8890Srs135747 /* 23538c4f8890Srs135747 * Consolidation private interfaces for traversing vhci nodes. 23548c4f8890Srs135747 */ 23558c4f8890Srs135747 di_node_t 23568c4f8890Srs135747 di_vhci_first_node(di_node_t root) 23578c4f8890Srs135747 { 23588c4f8890Srs135747 struct di_all *dap; 23598c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23608c4f8890Srs135747 23618c4f8890Srs135747 DPRINTF((DI_INFO, "Get first vhci node\n")); 23628c4f8890Srs135747 23638c4f8890Srs135747 if (root == DI_NODE_NIL) { 23648c4f8890Srs135747 errno = EINVAL; 23658c4f8890Srs135747 return (DI_NODE_NIL); 23668c4f8890Srs135747 } 23678c4f8890Srs135747 23688c4f8890Srs135747 pa = (caddr_t)root - DI_NODE(root)->self; 23698c4f8890Srs135747 dap = DI_ALL(pa); 23708c4f8890Srs135747 23718c4f8890Srs135747 if (dap->top_vhci_devinfo == NULL) { 23728c4f8890Srs135747 errno = ENXIO; 23738c4f8890Srs135747 return (DI_NODE_NIL); 23748c4f8890Srs135747 } 23758c4f8890Srs135747 23768c4f8890Srs135747 return (DI_NODE(pa + dap->top_vhci_devinfo)); 23778c4f8890Srs135747 } 23788c4f8890Srs135747 23798c4f8890Srs135747 di_node_t 23808c4f8890Srs135747 di_vhci_next_node(di_node_t node) 23818c4f8890Srs135747 { 23828c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23838c4f8890Srs135747 23848c4f8890Srs135747 if (node == DI_NODE_NIL) { 23858c4f8890Srs135747 errno = EINVAL; 23868c4f8890Srs135747 return (DI_NODE_NIL); 23878c4f8890Srs135747 } 23888c4f8890Srs135747 23898c4f8890Srs135747 DPRINTF((DI_TRACE, "next vhci node on the snap shot:" 23908c4f8890Srs135747 " current=%s\n", di_node_name(node))); 23918c4f8890Srs135747 23928c4f8890Srs135747 if (DI_NODE(node)->next_vhci == NULL) { 23938c4f8890Srs135747 errno = ENXIO; 23948c4f8890Srs135747 return (DI_NODE_NIL); 23958c4f8890Srs135747 } 23968c4f8890Srs135747 23978c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 23988c4f8890Srs135747 23998c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_vhci)); 24008c4f8890Srs135747 } 24018c4f8890Srs135747 24028c4f8890Srs135747 /* 24038c4f8890Srs135747 * Consolidation private interfaces for traversing phci nodes. 24048c4f8890Srs135747 */ 24058c4f8890Srs135747 di_node_t 24068c4f8890Srs135747 di_phci_first_node(di_node_t vhci_node) 24078c4f8890Srs135747 { 24088c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24098c4f8890Srs135747 24108c4f8890Srs135747 DPRINTF((DI_INFO, "Get first phci node:\n" 24118c4f8890Srs135747 " current=%s", di_node_name(vhci_node))); 24128c4f8890Srs135747 24138c4f8890Srs135747 if (vhci_node == DI_NODE_NIL) { 24148c4f8890Srs135747 errno = EINVAL; 24158c4f8890Srs135747 return (DI_NODE_NIL); 24168c4f8890Srs135747 } 24178c4f8890Srs135747 24188c4f8890Srs135747 pa = (caddr_t)vhci_node - DI_NODE(vhci_node)->self; 24198c4f8890Srs135747 24208c4f8890Srs135747 if (DI_NODE(vhci_node)->top_phci == NULL) { 24218c4f8890Srs135747 errno = ENXIO; 24228c4f8890Srs135747 return (DI_NODE_NIL); 24238c4f8890Srs135747 } 24248c4f8890Srs135747 24258c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(vhci_node)->top_phci)); 24268c4f8890Srs135747 } 24278c4f8890Srs135747 24288c4f8890Srs135747 di_node_t 24298c4f8890Srs135747 di_phci_next_node(di_node_t node) 24308c4f8890Srs135747 { 24318c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24328c4f8890Srs135747 24338c4f8890Srs135747 if (node == DI_NODE_NIL) { 24348c4f8890Srs135747 errno = EINVAL; 24358c4f8890Srs135747 return (DI_NODE_NIL); 24368c4f8890Srs135747 } 24378c4f8890Srs135747 24388c4f8890Srs135747 DPRINTF((DI_TRACE, "next phci node on the snap shot:" 24398c4f8890Srs135747 " current=%s\n", di_node_name(node))); 24408c4f8890Srs135747 24418c4f8890Srs135747 if (DI_NODE(node)->next_phci == NULL) { 24428c4f8890Srs135747 errno = ENXIO; 24438c4f8890Srs135747 return (DI_NODE_NIL); 24448c4f8890Srs135747 } 24458c4f8890Srs135747 24468c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 24478c4f8890Srs135747 24488c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_phci)); 24498c4f8890Srs135747 } 24507c478bd9Sstevel@tonic-gate 24517c478bd9Sstevel@tonic-gate /* 24527c478bd9Sstevel@tonic-gate * Consolidation private interfaces for private data 24537c478bd9Sstevel@tonic-gate */ 24547c478bd9Sstevel@tonic-gate void * 24557c478bd9Sstevel@tonic-gate di_parent_private_data(di_node_t node) 24567c478bd9Sstevel@tonic-gate { 24577c478bd9Sstevel@tonic-gate caddr_t pa; 24587c478bd9Sstevel@tonic-gate 24597c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == 0) { 24607c478bd9Sstevel@tonic-gate errno = ENXIO; 24617c478bd9Sstevel@tonic-gate return (NULL); 24627c478bd9Sstevel@tonic-gate } 24637c478bd9Sstevel@tonic-gate 24647c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == (di_off_t)-1) { 24657c478bd9Sstevel@tonic-gate /* 24667c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 24677c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 24687c478bd9Sstevel@tonic-gate */ 24697c478bd9Sstevel@tonic-gate errno = EFAULT; 24707c478bd9Sstevel@tonic-gate return (NULL); 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 24747c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data) 24757c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->parent_data); 24767c478bd9Sstevel@tonic-gate 24777c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 24787c478bd9Sstevel@tonic-gate errno = ENXIO; 24797c478bd9Sstevel@tonic-gate else 24807c478bd9Sstevel@tonic-gate errno = ENOTSUP; 24817c478bd9Sstevel@tonic-gate 24827c478bd9Sstevel@tonic-gate return (NULL); 24837c478bd9Sstevel@tonic-gate } 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate void * 24867c478bd9Sstevel@tonic-gate di_driver_private_data(di_node_t node) 24877c478bd9Sstevel@tonic-gate { 24887c478bd9Sstevel@tonic-gate caddr_t pa; 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == 0) { 24917c478bd9Sstevel@tonic-gate errno = ENXIO; 24927c478bd9Sstevel@tonic-gate return (NULL); 24937c478bd9Sstevel@tonic-gate } 24947c478bd9Sstevel@tonic-gate 24957c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == (di_off_t)-1) { 24967c478bd9Sstevel@tonic-gate /* 24977c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 24987c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 24997c478bd9Sstevel@tonic-gate */ 25007c478bd9Sstevel@tonic-gate errno = EFAULT; 25017c478bd9Sstevel@tonic-gate return (NULL); 25027c478bd9Sstevel@tonic-gate } 25037c478bd9Sstevel@tonic-gate 25047c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 25057c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data) 25067c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->driver_data); 25077c478bd9Sstevel@tonic-gate 25087c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 25097c478bd9Sstevel@tonic-gate errno = ENXIO; 25107c478bd9Sstevel@tonic-gate else 25117c478bd9Sstevel@tonic-gate errno = ENOTSUP; 25127c478bd9Sstevel@tonic-gate 25137c478bd9Sstevel@tonic-gate return (NULL); 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate /* 25177c478bd9Sstevel@tonic-gate * PROM property access 25187c478bd9Sstevel@tonic-gate */ 25197c478bd9Sstevel@tonic-gate 25207c478bd9Sstevel@tonic-gate /* 25217c478bd9Sstevel@tonic-gate * openprom driver stuff: 25227c478bd9Sstevel@tonic-gate * The maximum property length depends on the buffer size. We use 25237c478bd9Sstevel@tonic-gate * OPROMMAXPARAM defined in <sys/openpromio.h> 25247c478bd9Sstevel@tonic-gate * 25257c478bd9Sstevel@tonic-gate * MAXNAMESZ is max property name. obpdefs.h defines it as 32 based on 1275 25267c478bd9Sstevel@tonic-gate * MAXVALSZ is maximum value size, which is whatever space left in buf 25277c478bd9Sstevel@tonic-gate */ 25287c478bd9Sstevel@tonic-gate 25297c478bd9Sstevel@tonic-gate #define OBP_MAXBUF OPROMMAXPARAM - sizeof (int) 25307c478bd9Sstevel@tonic-gate #define OBP_MAXPROPLEN OBP_MAXBUF - OBP_MAXPROPNAME; 25317c478bd9Sstevel@tonic-gate 25327c478bd9Sstevel@tonic-gate struct di_prom_prop { 25337c478bd9Sstevel@tonic-gate char *name; 25347c478bd9Sstevel@tonic-gate int len; 25357c478bd9Sstevel@tonic-gate uchar_t *data; 25367c478bd9Sstevel@tonic-gate struct di_prom_prop *next; /* form a linked list */ 25377c478bd9Sstevel@tonic-gate }; 25387c478bd9Sstevel@tonic-gate 25397c478bd9Sstevel@tonic-gate struct di_prom_handle { /* handle to prom */ 25407c478bd9Sstevel@tonic-gate mutex_t lock; /* synchronize access to openprom fd */ 25417c478bd9Sstevel@tonic-gate int fd; /* /dev/openprom file descriptor */ 25427c478bd9Sstevel@tonic-gate struct di_prom_prop *list; /* linked list of prop */ 25437c478bd9Sstevel@tonic-gate union { 25447c478bd9Sstevel@tonic-gate char buf[OPROMMAXPARAM]; 25457c478bd9Sstevel@tonic-gate struct openpromio opp; 25467c478bd9Sstevel@tonic-gate } oppbuf; 25477c478bd9Sstevel@tonic-gate }; 25487c478bd9Sstevel@tonic-gate 25497c478bd9Sstevel@tonic-gate di_prom_handle_t 25507c478bd9Sstevel@tonic-gate di_prom_init() 25517c478bd9Sstevel@tonic-gate { 25527c478bd9Sstevel@tonic-gate struct di_prom_handle *p; 25537c478bd9Sstevel@tonic-gate 25547c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (struct di_prom_handle))) == NULL) 25557c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 25567c478bd9Sstevel@tonic-gate 25577c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_init: get prom handle 0x%p\n", p)); 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate (void) mutex_init(&p->lock, USYNC_THREAD, NULL); 25607c478bd9Sstevel@tonic-gate if ((p->fd = open("/dev/openprom", O_RDONLY)) < 0) { 25617c478bd9Sstevel@tonic-gate free(p); 25627c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 25637c478bd9Sstevel@tonic-gate } 25647c478bd9Sstevel@tonic-gate p->list = NULL; 25657c478bd9Sstevel@tonic-gate 25667c478bd9Sstevel@tonic-gate return ((di_prom_handle_t)p); 25677c478bd9Sstevel@tonic-gate } 25687c478bd9Sstevel@tonic-gate 25697c478bd9Sstevel@tonic-gate static void 25707c478bd9Sstevel@tonic-gate di_prom_prop_free(struct di_prom_prop *list) 25717c478bd9Sstevel@tonic-gate { 25727c478bd9Sstevel@tonic-gate struct di_prom_prop *tmp = list; 25737c478bd9Sstevel@tonic-gate 25747c478bd9Sstevel@tonic-gate while (tmp != NULL) { 25757c478bd9Sstevel@tonic-gate list = tmp->next; 25767c478bd9Sstevel@tonic-gate if (tmp->name != NULL) { 25777c478bd9Sstevel@tonic-gate free(tmp->name); 25787c478bd9Sstevel@tonic-gate } 25797c478bd9Sstevel@tonic-gate if (tmp->data != NULL) { 25807c478bd9Sstevel@tonic-gate free(tmp->data); 25817c478bd9Sstevel@tonic-gate } 25827c478bd9Sstevel@tonic-gate free(tmp); 25837c478bd9Sstevel@tonic-gate tmp = list; 25847c478bd9Sstevel@tonic-gate } 25857c478bd9Sstevel@tonic-gate } 25867c478bd9Sstevel@tonic-gate 25877c478bd9Sstevel@tonic-gate void 25887c478bd9Sstevel@tonic-gate di_prom_fini(di_prom_handle_t ph) 25897c478bd9Sstevel@tonic-gate { 25907c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 25917c478bd9Sstevel@tonic-gate 25927c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_fini: free prom handle 0x%p\n", p)); 25937c478bd9Sstevel@tonic-gate 25947c478bd9Sstevel@tonic-gate (void) close(p->fd); 25957c478bd9Sstevel@tonic-gate (void) mutex_destroy(&p->lock); 25967c478bd9Sstevel@tonic-gate di_prom_prop_free(p->list); 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate free(p); 25997c478bd9Sstevel@tonic-gate } 26007c478bd9Sstevel@tonic-gate 26017c478bd9Sstevel@tonic-gate /* 26027c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 26037c478bd9Sstevel@tonic-gate * XXX: ph->lock must be held for the duration of call. 26047c478bd9Sstevel@tonic-gate */ 26057c478bd9Sstevel@tonic-gate static di_prom_prop_t 26067c478bd9Sstevel@tonic-gate di_prom_prop_found(di_prom_handle_t ph, int nodeid, 26077c478bd9Sstevel@tonic-gate di_prom_prop_t prom_prop) 26087c478bd9Sstevel@tonic-gate { 26097c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 26107c478bd9Sstevel@tonic-gate struct openpromio *opp = &p->oppbuf.opp; 26117c478bd9Sstevel@tonic-gate int *ip = (int *)((void *)opp->oprom_array); 26127c478bd9Sstevel@tonic-gate struct di_prom_prop *prop = (struct di_prom_prop *)prom_prop; 26137c478bd9Sstevel@tonic-gate 26147c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Looking for nodeid 0x%x\n", nodeid)); 26157c478bd9Sstevel@tonic-gate 26167c478bd9Sstevel@tonic-gate /* 26177c478bd9Sstevel@tonic-gate * Set "current" nodeid in the openprom driver 26187c478bd9Sstevel@tonic-gate */ 26197c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 26207c478bd9Sstevel@tonic-gate *ip = nodeid; 26217c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 26227c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", nodeid)); 26237c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26247c478bd9Sstevel@tonic-gate } 26257c478bd9Sstevel@tonic-gate 26267c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Found nodeid 0x%x\n", nodeid)); 26277c478bd9Sstevel@tonic-gate 26287c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 26297c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPNAME; 26307c478bd9Sstevel@tonic-gate if (prom_prop != DI_PROM_PROP_NIL) 26317c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prop->name); 26327c478bd9Sstevel@tonic-gate 26337c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMNXTPROP, opp) < 0) || (opp->oprom_size == 0)) 26347c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate /* 26377c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 26387c478bd9Sstevel@tonic-gate * (reuse variable prop) 26397c478bd9Sstevel@tonic-gate */ 26407c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) 26417c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate /* 26447c478bd9Sstevel@tonic-gate * Get a copy of property name 26457c478bd9Sstevel@tonic-gate */ 26467c478bd9Sstevel@tonic-gate if ((prop->name = strdup(opp->oprom_array)) == NULL) { 26477c478bd9Sstevel@tonic-gate free(prop); 26487c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26497c478bd9Sstevel@tonic-gate } 26507c478bd9Sstevel@tonic-gate 26517c478bd9Sstevel@tonic-gate /* 26527c478bd9Sstevel@tonic-gate * get property value and length 26537c478bd9Sstevel@tonic-gate */ 26547c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 26557c478bd9Sstevel@tonic-gate 26567c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 26577c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 26587c478bd9Sstevel@tonic-gate free(prop->name); 26597c478bd9Sstevel@tonic-gate free(prop); 26607c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26617c478bd9Sstevel@tonic-gate } 26627c478bd9Sstevel@tonic-gate 26637c478bd9Sstevel@tonic-gate /* 26647c478bd9Sstevel@tonic-gate * make a copy of the property value 26657c478bd9Sstevel@tonic-gate */ 26667c478bd9Sstevel@tonic-gate prop->len = opp->oprom_size; 26677c478bd9Sstevel@tonic-gate 26687c478bd9Sstevel@tonic-gate if (prop->len == 0) 26697c478bd9Sstevel@tonic-gate prop->data = NULL; 26707c478bd9Sstevel@tonic-gate else if ((prop->data = malloc(prop->len)) == NULL) { 26717c478bd9Sstevel@tonic-gate free(prop->name); 26727c478bd9Sstevel@tonic-gate free(prop); 26737c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 26747c478bd9Sstevel@tonic-gate } 26757c478bd9Sstevel@tonic-gate 26767c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 26777c478bd9Sstevel@tonic-gate 26787c478bd9Sstevel@tonic-gate /* 26797c478bd9Sstevel@tonic-gate * Prepend prop to list in prom handle 26807c478bd9Sstevel@tonic-gate */ 26817c478bd9Sstevel@tonic-gate prop->next = p->list; 26827c478bd9Sstevel@tonic-gate p->list = prop; 26837c478bd9Sstevel@tonic-gate 26847c478bd9Sstevel@tonic-gate return ((di_prom_prop_t)prop); 26857c478bd9Sstevel@tonic-gate } 26867c478bd9Sstevel@tonic-gate 26877c478bd9Sstevel@tonic-gate di_prom_prop_t 26887c478bd9Sstevel@tonic-gate di_prom_prop_next(di_prom_handle_t ph, di_node_t node, di_prom_prop_t prom_prop) 26897c478bd9Sstevel@tonic-gate { 26907c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Search next prop for node 0x%p with ph 0x%p\n", 26937c478bd9Sstevel@tonic-gate node, p)); 26947c478bd9Sstevel@tonic-gate 26957c478bd9Sstevel@tonic-gate /* 26967c478bd9Sstevel@tonic-gate * paranoid check 26977c478bd9Sstevel@tonic-gate */ 26987c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 26997c478bd9Sstevel@tonic-gate errno = EINVAL; 27007c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 27017c478bd9Sstevel@tonic-gate } 27027c478bd9Sstevel@tonic-gate 27037c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 27047c478bd9Sstevel@tonic-gate errno = ENXIO; 27057c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 27067c478bd9Sstevel@tonic-gate } 27077c478bd9Sstevel@tonic-gate 27087c478bd9Sstevel@tonic-gate /* 27097c478bd9Sstevel@tonic-gate * synchronize access to prom file descriptor 27107c478bd9Sstevel@tonic-gate */ 27117c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 27127c478bd9Sstevel@tonic-gate 27137c478bd9Sstevel@tonic-gate /* 27147c478bd9Sstevel@tonic-gate * look for next property 27157c478bd9Sstevel@tonic-gate */ 27167c478bd9Sstevel@tonic-gate prom_prop = di_prom_prop_found(ph, DI_NODE(node)->nodeid, prom_prop); 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate return (prom_prop); 27217c478bd9Sstevel@tonic-gate } 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate char * 27247c478bd9Sstevel@tonic-gate di_prom_prop_name(di_prom_prop_t prom_prop) 27257c478bd9Sstevel@tonic-gate { 27267c478bd9Sstevel@tonic-gate /* 27277c478bd9Sstevel@tonic-gate * paranoid check 27287c478bd9Sstevel@tonic-gate */ 27297c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 27307c478bd9Sstevel@tonic-gate errno = EINVAL; 27317c478bd9Sstevel@tonic-gate return (NULL); 27327c478bd9Sstevel@tonic-gate } 27337c478bd9Sstevel@tonic-gate 27347c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->name); 27357c478bd9Sstevel@tonic-gate } 27367c478bd9Sstevel@tonic-gate 27377c478bd9Sstevel@tonic-gate int 27387c478bd9Sstevel@tonic-gate di_prom_prop_data(di_prom_prop_t prom_prop, uchar_t **prom_prop_data) 27397c478bd9Sstevel@tonic-gate { 27407c478bd9Sstevel@tonic-gate /* 27417c478bd9Sstevel@tonic-gate * paranoid check 27427c478bd9Sstevel@tonic-gate */ 27437c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 27447c478bd9Sstevel@tonic-gate errno = EINVAL; 27457c478bd9Sstevel@tonic-gate return (NULL); 27467c478bd9Sstevel@tonic-gate } 27477c478bd9Sstevel@tonic-gate 27487c478bd9Sstevel@tonic-gate *prom_prop_data = ((struct di_prom_prop *)prom_prop)->data; 27497c478bd9Sstevel@tonic-gate 27507c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->len); 27517c478bd9Sstevel@tonic-gate } 27527c478bd9Sstevel@tonic-gate 27537c478bd9Sstevel@tonic-gate /* 27547c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 27557c478bd9Sstevel@tonic-gate * Returns length if found, -1 if prop doesn't exist. 27567c478bd9Sstevel@tonic-gate */ 27577c478bd9Sstevel@tonic-gate static struct di_prom_prop * 27587c478bd9Sstevel@tonic-gate di_prom_prop_lookup_common(di_prom_handle_t ph, di_node_t node, 27597c478bd9Sstevel@tonic-gate const char *prom_prop_name) 27607c478bd9Sstevel@tonic-gate { 27617c478bd9Sstevel@tonic-gate struct openpromio *opp; 27627c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 27637c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 27647c478bd9Sstevel@tonic-gate 27657c478bd9Sstevel@tonic-gate /* 27667c478bd9Sstevel@tonic-gate * paranoid check 27677c478bd9Sstevel@tonic-gate */ 27687c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 27697c478bd9Sstevel@tonic-gate errno = EINVAL; 27707c478bd9Sstevel@tonic-gate return (NULL); 27717c478bd9Sstevel@tonic-gate } 27727c478bd9Sstevel@tonic-gate 27737c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 27747c478bd9Sstevel@tonic-gate errno = ENXIO; 27757c478bd9Sstevel@tonic-gate return (NULL); 27767c478bd9Sstevel@tonic-gate } 27777c478bd9Sstevel@tonic-gate 27787c478bd9Sstevel@tonic-gate opp = &p->oppbuf.opp; 27797c478bd9Sstevel@tonic-gate 27807c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 27817c478bd9Sstevel@tonic-gate 27827c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 27837c478bd9Sstevel@tonic-gate opp->oprom_node = DI_NODE(node)->nodeid; 27847c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 27857c478bd9Sstevel@tonic-gate errno = ENXIO; 27867c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", 27877c478bd9Sstevel@tonic-gate DI_NODE(node)->nodeid)); 27887c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 27897c478bd9Sstevel@tonic-gate return (NULL); 27907c478bd9Sstevel@tonic-gate } 27917c478bd9Sstevel@tonic-gate 27927c478bd9Sstevel@tonic-gate /* 27937c478bd9Sstevel@tonic-gate * get property length 27947c478bd9Sstevel@tonic-gate */ 27957c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 27967c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 27977c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 27987c478bd9Sstevel@tonic-gate 27997c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROPLEN, opp) < 0) || 28007c478bd9Sstevel@tonic-gate (opp->oprom_len == -1)) { 28017c478bd9Sstevel@tonic-gate /* no such property */ 28027c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28037c478bd9Sstevel@tonic-gate return (NULL); 28047c478bd9Sstevel@tonic-gate } 28057c478bd9Sstevel@tonic-gate 28067c478bd9Sstevel@tonic-gate /* 28077c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 28087c478bd9Sstevel@tonic-gate */ 28097c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) { 28107c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28117c478bd9Sstevel@tonic-gate return (NULL); 28127c478bd9Sstevel@tonic-gate } 28137c478bd9Sstevel@tonic-gate prop->name = NULL; /* we don't need the name */ 28147c478bd9Sstevel@tonic-gate prop->len = opp->oprom_len; 28157c478bd9Sstevel@tonic-gate 28167c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 28177c478bd9Sstevel@tonic-gate prop->data = NULL; 28187c478bd9Sstevel@tonic-gate prop->next = p->list; 28197c478bd9Sstevel@tonic-gate p->list = prop; 28207c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28217c478bd9Sstevel@tonic-gate return (prop); 28227c478bd9Sstevel@tonic-gate } 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate /* 28257c478bd9Sstevel@tonic-gate * retrieve the property value 28267c478bd9Sstevel@tonic-gate */ 28277c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 28287c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 28297c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 28307c478bd9Sstevel@tonic-gate 28317c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 28327c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 28337c478bd9Sstevel@tonic-gate /* error retrieving property value */ 28347c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28357c478bd9Sstevel@tonic-gate free(prop); 28367c478bd9Sstevel@tonic-gate return (NULL); 28377c478bd9Sstevel@tonic-gate } 28387c478bd9Sstevel@tonic-gate 28397c478bd9Sstevel@tonic-gate /* 28407c478bd9Sstevel@tonic-gate * make a copy of the property value, stick in ph->list 28417c478bd9Sstevel@tonic-gate */ 28427c478bd9Sstevel@tonic-gate if ((prop->data = malloc(prop->len)) == NULL) { 28437c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28447c478bd9Sstevel@tonic-gate free(prop); 28457c478bd9Sstevel@tonic-gate return (NULL); 28467c478bd9Sstevel@tonic-gate } 28477c478bd9Sstevel@tonic-gate 28487c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 28497c478bd9Sstevel@tonic-gate 28507c478bd9Sstevel@tonic-gate prop->next = p->list; 28517c478bd9Sstevel@tonic-gate p->list = prop; 28527c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 28537c478bd9Sstevel@tonic-gate 28547c478bd9Sstevel@tonic-gate return (prop); 28557c478bd9Sstevel@tonic-gate } 28567c478bd9Sstevel@tonic-gate 28577c478bd9Sstevel@tonic-gate int 28587c478bd9Sstevel@tonic-gate di_prom_prop_lookup_ints(di_prom_handle_t ph, di_node_t node, 28597c478bd9Sstevel@tonic-gate const char *prom_prop_name, int **prom_prop_data) 28607c478bd9Sstevel@tonic-gate { 28617c478bd9Sstevel@tonic-gate int len; 28627c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 28637c478bd9Sstevel@tonic-gate 28647c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 28657c478bd9Sstevel@tonic-gate 28667c478bd9Sstevel@tonic-gate if (prop == NULL) { 28677c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 28687c478bd9Sstevel@tonic-gate return (-1); 28697c478bd9Sstevel@tonic-gate } 28707c478bd9Sstevel@tonic-gate 28717c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 28727c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 28737c478bd9Sstevel@tonic-gate return (0); 28747c478bd9Sstevel@tonic-gate } 28757c478bd9Sstevel@tonic-gate 28767c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 28777c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT, 1); 28787c478bd9Sstevel@tonic-gate *prom_prop_data = (int *)((void *)prop->data); 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate return (len); 28817c478bd9Sstevel@tonic-gate } 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate int 28847c478bd9Sstevel@tonic-gate di_prom_prop_lookup_strings(di_prom_handle_t ph, di_node_t node, 28857c478bd9Sstevel@tonic-gate const char *prom_prop_name, char **prom_prop_data) 28867c478bd9Sstevel@tonic-gate { 28877c478bd9Sstevel@tonic-gate int len; 28887c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 28897c478bd9Sstevel@tonic-gate 28907c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 28917c478bd9Sstevel@tonic-gate 28927c478bd9Sstevel@tonic-gate if (prop == NULL) { 28937c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 28947c478bd9Sstevel@tonic-gate return (-1); 28957c478bd9Sstevel@tonic-gate } 28967c478bd9Sstevel@tonic-gate 28977c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 28987c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 28997c478bd9Sstevel@tonic-gate return (0); 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate /* 29037c478bd9Sstevel@tonic-gate * Fix an openprom bug (OBP string not NULL terminated). 29047c478bd9Sstevel@tonic-gate * XXX This should really be fixed in promif. 29057c478bd9Sstevel@tonic-gate */ 29067c478bd9Sstevel@tonic-gate if (((char *)prop->data)[prop->len - 1] != '\0') { 29077c478bd9Sstevel@tonic-gate uchar_t *tmp; 29087c478bd9Sstevel@tonic-gate prop->len++; 29097c478bd9Sstevel@tonic-gate if ((tmp = realloc(prop->data, prop->len)) == NULL) 29107c478bd9Sstevel@tonic-gate return (-1); 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate prop->data = tmp; 29137c478bd9Sstevel@tonic-gate ((char *)prop->data)[prop->len - 1] = '\0'; 29147c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "OBP string not NULL terminated: " 29157c478bd9Sstevel@tonic-gate "node=%s, prop=%s, val=%s\n", 29167c478bd9Sstevel@tonic-gate di_node_name(node), prom_prop_name, prop->data)); 29177c478bd9Sstevel@tonic-gate } 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 29207c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING, 1); 29217c478bd9Sstevel@tonic-gate *prom_prop_data = (char *)prop->data; 29227c478bd9Sstevel@tonic-gate 29237c478bd9Sstevel@tonic-gate return (len); 29247c478bd9Sstevel@tonic-gate } 29257c478bd9Sstevel@tonic-gate 29267c478bd9Sstevel@tonic-gate int 29277c478bd9Sstevel@tonic-gate di_prom_prop_lookup_bytes(di_prom_handle_t ph, di_node_t node, 29287c478bd9Sstevel@tonic-gate const char *prom_prop_name, uchar_t **prom_prop_data) 29297c478bd9Sstevel@tonic-gate { 29307c478bd9Sstevel@tonic-gate int len; 29317c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 29327c478bd9Sstevel@tonic-gate 29337c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate if (prop == NULL) { 29367c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 29377c478bd9Sstevel@tonic-gate return (-1); 29387c478bd9Sstevel@tonic-gate } 29397c478bd9Sstevel@tonic-gate 29407c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 29417c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 29427c478bd9Sstevel@tonic-gate return (0); 29437c478bd9Sstevel@tonic-gate } 29447c478bd9Sstevel@tonic-gate 29457c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 29467c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE, 1); 29477c478bd9Sstevel@tonic-gate *prom_prop_data = prop->data; 29487c478bd9Sstevel@tonic-gate 29497c478bd9Sstevel@tonic-gate return (len); 29507c478bd9Sstevel@tonic-gate } 29517c478bd9Sstevel@tonic-gate 29523ebafc43Sjveta /* 29533ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 29543ebafc43Sjveta * and the number of entries (count) as the function return value; 29553ebafc43Sjveta * use di_slot_names_free() to free the array 29563ebafc43Sjveta */ 29573ebafc43Sjveta int 29583ebafc43Sjveta di_prop_slot_names(di_prop_t prop, di_slot_name_t **prop_data) 29593ebafc43Sjveta { 29603ebafc43Sjveta int rawlen, count; 29613ebafc43Sjveta uchar_t *rawdata; 29623ebafc43Sjveta char *nm = di_prop_name(prop); 29633ebafc43Sjveta 29643ebafc43Sjveta if (nm == NULL || strcmp(DI_PROP_SLOT_NAMES, nm) != 0) 29653ebafc43Sjveta goto ERROUT; 29663ebafc43Sjveta 29673ebafc43Sjveta rawlen = di_prop_rawdata(prop, &rawdata); 29683ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 29693ebafc43Sjveta goto ERROUT; 29703ebafc43Sjveta 29713ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 29723ebafc43Sjveta if (count < 0 || *prop_data == NULL) 29733ebafc43Sjveta goto ERROUT; 29743ebafc43Sjveta 29753ebafc43Sjveta return (count); 29763ebafc43Sjveta /*NOTREACHED*/ 29773ebafc43Sjveta ERROUT: 29783ebafc43Sjveta errno = EFAULT; 29793ebafc43Sjveta *prop_data = NULL; 29803ebafc43Sjveta return (-1); 29813ebafc43Sjveta } 29823ebafc43Sjveta 29833ebafc43Sjveta int 29843ebafc43Sjveta di_prop_lookup_slot_names(dev_t dev, di_node_t node, 29853ebafc43Sjveta di_slot_name_t **prop_data) 29863ebafc43Sjveta { 29873ebafc43Sjveta di_prop_t prop; 29883ebafc43Sjveta 29893ebafc43Sjveta /* 29903ebafc43Sjveta * change this if and when DI_PROP_TYPE_COMPOSITE is implemented 29913ebafc43Sjveta * and slot-names is properly flagged as such 29923ebafc43Sjveta */ 29933ebafc43Sjveta if ((prop = di_prop_find(dev, node, DI_PROP_SLOT_NAMES)) == 29943ebafc43Sjveta DI_PROP_NIL) { 29953ebafc43Sjveta *prop_data = NULL; 29963ebafc43Sjveta return (-1); 29973ebafc43Sjveta } 29983ebafc43Sjveta 29993ebafc43Sjveta return (di_prop_slot_names(prop, (void *)prop_data)); 30003ebafc43Sjveta } 30013ebafc43Sjveta 30023ebafc43Sjveta /* 30033ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 30043ebafc43Sjveta * and the number of entries (count) as the function return value; 30053ebafc43Sjveta * use di_slot_names_free() to free the array 30063ebafc43Sjveta */ 30073ebafc43Sjveta int 30083ebafc43Sjveta di_prom_prop_slot_names(di_prom_prop_t prom_prop, di_slot_name_t **prop_data) 30093ebafc43Sjveta { 30103ebafc43Sjveta int rawlen, count; 30113ebafc43Sjveta uchar_t *rawdata; 30123ebafc43Sjveta 30133ebafc43Sjveta rawlen = di_prom_prop_data(prom_prop, &rawdata); 30143ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 30153ebafc43Sjveta goto ERROUT; 30163ebafc43Sjveta 30173ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 30183ebafc43Sjveta if (count < 0 || *prop_data == NULL) 30193ebafc43Sjveta goto ERROUT; 30203ebafc43Sjveta 30213ebafc43Sjveta return (count); 30223ebafc43Sjveta /*NOTREACHED*/ 30233ebafc43Sjveta ERROUT: 30243ebafc43Sjveta errno = EFAULT; 30253ebafc43Sjveta *prop_data = NULL; 30263ebafc43Sjveta return (-1); 30273ebafc43Sjveta } 30283ebafc43Sjveta 30293ebafc43Sjveta int 30303ebafc43Sjveta di_prom_prop_lookup_slot_names(di_prom_handle_t ph, di_node_t node, 30313ebafc43Sjveta di_slot_name_t **prop_data) 30323ebafc43Sjveta { 30333ebafc43Sjveta struct di_prom_prop *prom_prop; 30343ebafc43Sjveta 30353ebafc43Sjveta prom_prop = di_prom_prop_lookup_common(ph, node, DI_PROP_SLOT_NAMES); 30363ebafc43Sjveta if (prom_prop == NULL) { 30373ebafc43Sjveta *prop_data = NULL; 30383ebafc43Sjveta return (-1); 30393ebafc43Sjveta } 30403ebafc43Sjveta 30413ebafc43Sjveta return (di_prom_prop_slot_names(prom_prop, prop_data)); 30423ebafc43Sjveta } 30433ebafc43Sjveta 30447c478bd9Sstevel@tonic-gate di_lnode_t 30457c478bd9Sstevel@tonic-gate di_link_to_lnode(di_link_t link, uint_t endpoint) 30467c478bd9Sstevel@tonic-gate { 30477c478bd9Sstevel@tonic-gate struct di_all *di_all; 30487c478bd9Sstevel@tonic-gate 30497c478bd9Sstevel@tonic-gate if ((link == DI_LINK_NIL) || 30507c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 30517c478bd9Sstevel@tonic-gate errno = EINVAL; 30527c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 30537c478bd9Sstevel@tonic-gate } 30547c478bd9Sstevel@tonic-gate 30557c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)link - DI_LINK(link)->self); 30567c478bd9Sstevel@tonic-gate 30577c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 30587c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->src_lnode)); 30597c478bd9Sstevel@tonic-gate } else { 30607c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->tgt_lnode)); 30617c478bd9Sstevel@tonic-gate } 30627c478bd9Sstevel@tonic-gate /* NOTREACHED */ 30637c478bd9Sstevel@tonic-gate } 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate char * 30667c478bd9Sstevel@tonic-gate di_lnode_name(di_lnode_t lnode) 30677c478bd9Sstevel@tonic-gate { 30687c478bd9Sstevel@tonic-gate return (di_driver_name(di_lnode_devinfo(lnode))); 30697c478bd9Sstevel@tonic-gate } 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate di_node_t 30727c478bd9Sstevel@tonic-gate di_lnode_devinfo(di_lnode_t lnode) 30737c478bd9Sstevel@tonic-gate { 30747c478bd9Sstevel@tonic-gate struct di_all *di_all; 30757c478bd9Sstevel@tonic-gate 30767c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 30777c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)di_all + DI_LNODE(lnode)->node)); 30787c478bd9Sstevel@tonic-gate } 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate int 30817c478bd9Sstevel@tonic-gate di_lnode_devt(di_lnode_t lnode, dev_t *devt) 30827c478bd9Sstevel@tonic-gate { 30837c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || (devt == NULL)) { 30847c478bd9Sstevel@tonic-gate errno = EINVAL; 30857c478bd9Sstevel@tonic-gate return (-1); 30867c478bd9Sstevel@tonic-gate } 30877c478bd9Sstevel@tonic-gate if ((DI_LNODE(lnode)->dev_major == (major_t)-1) && 30887c478bd9Sstevel@tonic-gate (DI_LNODE(lnode)->dev_minor == (minor_t)-1)) 30897c478bd9Sstevel@tonic-gate return (-1); 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate *devt = makedev(DI_LNODE(lnode)->dev_major, DI_LNODE(lnode)->dev_minor); 30927c478bd9Sstevel@tonic-gate return (0); 30937c478bd9Sstevel@tonic-gate } 30947c478bd9Sstevel@tonic-gate 30957c478bd9Sstevel@tonic-gate int 30967c478bd9Sstevel@tonic-gate di_link_spectype(di_link_t link) 30977c478bd9Sstevel@tonic-gate { 30987c478bd9Sstevel@tonic-gate return (DI_LINK(link)->spec_type); 30997c478bd9Sstevel@tonic-gate } 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate void 31027c478bd9Sstevel@tonic-gate di_minor_private_set(di_minor_t minor, void *data) 31037c478bd9Sstevel@tonic-gate { 31047c478bd9Sstevel@tonic-gate DI_MINOR(minor)->user_private_data = (uintptr_t)data; 31057c478bd9Sstevel@tonic-gate } 31067c478bd9Sstevel@tonic-gate 31077c478bd9Sstevel@tonic-gate void * 31087c478bd9Sstevel@tonic-gate di_minor_private_get(di_minor_t minor) 31097c478bd9Sstevel@tonic-gate { 31108309866bSanish return ((void *)(uintptr_t)DI_MINOR(minor)->user_private_data); 31117c478bd9Sstevel@tonic-gate } 31127c478bd9Sstevel@tonic-gate 31137c478bd9Sstevel@tonic-gate void 31147c478bd9Sstevel@tonic-gate di_node_private_set(di_node_t node, void *data) 31157c478bd9Sstevel@tonic-gate { 31167c478bd9Sstevel@tonic-gate DI_NODE(node)->user_private_data = (uintptr_t)data; 31177c478bd9Sstevel@tonic-gate } 31187c478bd9Sstevel@tonic-gate 31197c478bd9Sstevel@tonic-gate void * 31207c478bd9Sstevel@tonic-gate di_node_private_get(di_node_t node) 31217c478bd9Sstevel@tonic-gate { 31228309866bSanish return ((void *)(uintptr_t)DI_NODE(node)->user_private_data); 31237c478bd9Sstevel@tonic-gate } 31247c478bd9Sstevel@tonic-gate 31257c478bd9Sstevel@tonic-gate void 3126*602ca9eaScth di_path_private_set(di_path_t path, void *data) 3127*602ca9eaScth { 3128*602ca9eaScth DI_PATH(path)->user_private_data = (uintptr_t)data; 3129*602ca9eaScth } 3130*602ca9eaScth 3131*602ca9eaScth void * 3132*602ca9eaScth di_path_private_get(di_path_t path) 3133*602ca9eaScth { 3134*602ca9eaScth return ((void *)(uintptr_t)DI_PATH(path)->user_private_data); 3135*602ca9eaScth } 3136*602ca9eaScth 3137*602ca9eaScth void 31387c478bd9Sstevel@tonic-gate di_lnode_private_set(di_lnode_t lnode, void *data) 31397c478bd9Sstevel@tonic-gate { 31407c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->user_private_data = (uintptr_t)data; 31417c478bd9Sstevel@tonic-gate } 31427c478bd9Sstevel@tonic-gate 31437c478bd9Sstevel@tonic-gate void * 31447c478bd9Sstevel@tonic-gate di_lnode_private_get(di_lnode_t lnode) 31457c478bd9Sstevel@tonic-gate { 31468309866bSanish return ((void *)(uintptr_t)DI_LNODE(lnode)->user_private_data); 31477c478bd9Sstevel@tonic-gate } 31487c478bd9Sstevel@tonic-gate 31497c478bd9Sstevel@tonic-gate void 31507c478bd9Sstevel@tonic-gate di_link_private_set(di_link_t link, void *data) 31517c478bd9Sstevel@tonic-gate { 31527c478bd9Sstevel@tonic-gate DI_LINK(link)->user_private_data = (uintptr_t)data; 31537c478bd9Sstevel@tonic-gate } 31547c478bd9Sstevel@tonic-gate 31557c478bd9Sstevel@tonic-gate void * 31567c478bd9Sstevel@tonic-gate di_link_private_get(di_link_t link) 31577c478bd9Sstevel@tonic-gate { 31588309866bSanish return ((void *)(uintptr_t)DI_LINK(link)->user_private_data); 31597c478bd9Sstevel@tonic-gate } 31607c478bd9Sstevel@tonic-gate 31617c478bd9Sstevel@tonic-gate di_lnode_t 31627c478bd9Sstevel@tonic-gate di_lnode_next(di_node_t node, di_lnode_t lnode) 31637c478bd9Sstevel@tonic-gate { 31647c478bd9Sstevel@tonic-gate struct di_all *di_all; 31657c478bd9Sstevel@tonic-gate 31667c478bd9Sstevel@tonic-gate /* 31677c478bd9Sstevel@tonic-gate * paranoid error checking 31687c478bd9Sstevel@tonic-gate */ 31697c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 31707c478bd9Sstevel@tonic-gate errno = EINVAL; 31717c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 31727c478bd9Sstevel@tonic-gate } 31737c478bd9Sstevel@tonic-gate 31747c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 31757c478bd9Sstevel@tonic-gate 31767c478bd9Sstevel@tonic-gate if (lnode == DI_NODE_NIL) { 31777c478bd9Sstevel@tonic-gate if (DI_NODE(node)->lnodes != NULL) 31787c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 31797c478bd9Sstevel@tonic-gate DI_NODE(node)->lnodes)); 31807c478bd9Sstevel@tonic-gate } else { 31817c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->node_next != NULL) 31827c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 31837c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->node_next)); 31847c478bd9Sstevel@tonic-gate } 31857c478bd9Sstevel@tonic-gate 31867c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 31877c478bd9Sstevel@tonic-gate errno = ENXIO; 31887c478bd9Sstevel@tonic-gate else 31897c478bd9Sstevel@tonic-gate errno = ENOTSUP; 31907c478bd9Sstevel@tonic-gate 31917c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 31927c478bd9Sstevel@tonic-gate } 31937c478bd9Sstevel@tonic-gate 31947c478bd9Sstevel@tonic-gate di_link_t 31957c478bd9Sstevel@tonic-gate di_link_next_by_node(di_node_t node, di_link_t link, uint_t endpoint) 31967c478bd9Sstevel@tonic-gate { 31977c478bd9Sstevel@tonic-gate struct di_all *di_all; 31987c478bd9Sstevel@tonic-gate 31997c478bd9Sstevel@tonic-gate /* 32007c478bd9Sstevel@tonic-gate * paranoid error checking 32017c478bd9Sstevel@tonic-gate */ 32027c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || 32037c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 32047c478bd9Sstevel@tonic-gate errno = EINVAL; 32057c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32067c478bd9Sstevel@tonic-gate } 32077c478bd9Sstevel@tonic-gate 32087c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 32117c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 32127c478bd9Sstevel@tonic-gate if (DI_NODE(node)->src_links != NULL) 32137c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32147c478bd9Sstevel@tonic-gate DI_NODE(node)->src_links)); 32157c478bd9Sstevel@tonic-gate } else { 32167c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_node_next != NULL) 32177c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32187c478bd9Sstevel@tonic-gate DI_LINK(link)->src_node_next)); 32197c478bd9Sstevel@tonic-gate } 32207c478bd9Sstevel@tonic-gate } else { 32217c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 32227c478bd9Sstevel@tonic-gate if (DI_NODE(node)->tgt_links != NULL) 32237c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32247c478bd9Sstevel@tonic-gate DI_NODE(node)->tgt_links)); 32257c478bd9Sstevel@tonic-gate } else { 32267c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_node_next != NULL) 32277c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32287c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_node_next)); 32297c478bd9Sstevel@tonic-gate } 32307c478bd9Sstevel@tonic-gate } 32317c478bd9Sstevel@tonic-gate 32327c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 32337c478bd9Sstevel@tonic-gate errno = ENXIO; 32347c478bd9Sstevel@tonic-gate else 32357c478bd9Sstevel@tonic-gate errno = ENOTSUP; 32367c478bd9Sstevel@tonic-gate 32377c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32387c478bd9Sstevel@tonic-gate } 32397c478bd9Sstevel@tonic-gate 32407c478bd9Sstevel@tonic-gate di_link_t 32417c478bd9Sstevel@tonic-gate di_link_next_by_lnode(di_lnode_t lnode, di_link_t link, uint_t endpoint) 32427c478bd9Sstevel@tonic-gate { 32437c478bd9Sstevel@tonic-gate struct di_all *di_all; 32447c478bd9Sstevel@tonic-gate 32457c478bd9Sstevel@tonic-gate /* 32467c478bd9Sstevel@tonic-gate * paranoid error checking 32477c478bd9Sstevel@tonic-gate */ 32487c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || 32497c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 32507c478bd9Sstevel@tonic-gate errno = EINVAL; 32517c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32527c478bd9Sstevel@tonic-gate } 32537c478bd9Sstevel@tonic-gate 32547c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 32557c478bd9Sstevel@tonic-gate 32567c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 32577c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 32587c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_out == NULL) 32597c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32607c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32617c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_out)); 32627c478bd9Sstevel@tonic-gate } else { 32637c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_link_next == NULL) 32647c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32657c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32667c478bd9Sstevel@tonic-gate DI_LINK(link)->src_link_next)); 32677c478bd9Sstevel@tonic-gate } 32687c478bd9Sstevel@tonic-gate } else { 32697c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 32707c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_in == NULL) 32717c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32727c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32737c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_in)); 32747c478bd9Sstevel@tonic-gate } else { 32757c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_link_next == NULL) 32767c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 32777c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 32787c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_link_next)); 32797c478bd9Sstevel@tonic-gate } 32807c478bd9Sstevel@tonic-gate } 32817c478bd9Sstevel@tonic-gate /* NOTREACHED */ 32827c478bd9Sstevel@tonic-gate } 32837c478bd9Sstevel@tonic-gate 32847c478bd9Sstevel@tonic-gate /* 32857c478bd9Sstevel@tonic-gate * Internal library function: 32867c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 32877c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 32887c478bd9Sstevel@tonic-gate * 32897c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 32907c478bd9Sstevel@tonic-gate * first mode. 32917c478bd9Sstevel@tonic-gate */ 32927c478bd9Sstevel@tonic-gate static void 32937c478bd9Sstevel@tonic-gate walk_one_link(struct node_list **headp, uint_t ep, 32947c478bd9Sstevel@tonic-gate void *arg, int (*callback)(di_link_t link, void *arg)) 32957c478bd9Sstevel@tonic-gate { 32967c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 32977c478bd9Sstevel@tonic-gate di_link_t link = DI_LINK_NIL; 32987c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 32997c478bd9Sstevel@tonic-gate 33007c478bd9Sstevel@tonic-gate while ((link = di_link_next_by_node(node, link, ep)) != DI_LINK_NIL) { 33017c478bd9Sstevel@tonic-gate action = callback(link, arg); 33027c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 33037c478bd9Sstevel@tonic-gate break; 33047c478bd9Sstevel@tonic-gate } 33057c478bd9Sstevel@tonic-gate } 33067c478bd9Sstevel@tonic-gate 33077c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 33087c478bd9Sstevel@tonic-gate } 33097c478bd9Sstevel@tonic-gate 33107c478bd9Sstevel@tonic-gate int 33117c478bd9Sstevel@tonic-gate di_walk_link(di_node_t root, uint_t flag, uint_t endpoint, void *arg, 33127c478bd9Sstevel@tonic-gate int (*link_callback)(di_link_t link, void *arg)) 33137c478bd9Sstevel@tonic-gate { 33147c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 33157c478bd9Sstevel@tonic-gate 33167c478bd9Sstevel@tonic-gate #ifdef DEBUG 3317*602ca9eaScth char *devfspath = di_devfs_path(root); 33187c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking %s link data under %s\n", 3319*602ca9eaScth (endpoint == DI_LINK_SRC) ? "src" : "tgt", devfspath)); 3320*602ca9eaScth di_devfs_path_free(devfspath); 33217c478bd9Sstevel@tonic-gate #endif 33227c478bd9Sstevel@tonic-gate 33237c478bd9Sstevel@tonic-gate /* 33247c478bd9Sstevel@tonic-gate * paranoid error checking 33257c478bd9Sstevel@tonic-gate */ 33267c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (link_callback == NULL) || (flag != 0) || 33277c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 33287c478bd9Sstevel@tonic-gate errno = EINVAL; 33297c478bd9Sstevel@tonic-gate return (-1); 33307c478bd9Sstevel@tonic-gate } 33317c478bd9Sstevel@tonic-gate 33327c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 33337c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 33347c478bd9Sstevel@tonic-gate return (-1); 33357c478bd9Sstevel@tonic-gate } 33367c478bd9Sstevel@tonic-gate 33377c478bd9Sstevel@tonic-gate head->next = NULL; 33387c478bd9Sstevel@tonic-gate head->node = root; 33397c478bd9Sstevel@tonic-gate 33407c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start link data walking from node %s\n", 33417c478bd9Sstevel@tonic-gate di_node_name(root))); 33427c478bd9Sstevel@tonic-gate 33437c478bd9Sstevel@tonic-gate while (head != NULL) 33447c478bd9Sstevel@tonic-gate walk_one_link(&head, endpoint, arg, link_callback); 33457c478bd9Sstevel@tonic-gate 33467c478bd9Sstevel@tonic-gate return (0); 33477c478bd9Sstevel@tonic-gate } 33487c478bd9Sstevel@tonic-gate 33497c478bd9Sstevel@tonic-gate /* 33507c478bd9Sstevel@tonic-gate * Internal library function: 33517c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 33527c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 33537c478bd9Sstevel@tonic-gate * 33547c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 33557c478bd9Sstevel@tonic-gate * first mode. 33567c478bd9Sstevel@tonic-gate */ 33577c478bd9Sstevel@tonic-gate static void 33587c478bd9Sstevel@tonic-gate walk_one_lnode(struct node_list **headp, void *arg, 33597c478bd9Sstevel@tonic-gate int (*callback)(di_lnode_t lnode, void *arg)) 33607c478bd9Sstevel@tonic-gate { 33617c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 33627c478bd9Sstevel@tonic-gate di_lnode_t lnode = DI_LNODE_NIL; 33637c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 33647c478bd9Sstevel@tonic-gate 33657c478bd9Sstevel@tonic-gate while ((lnode = di_lnode_next(node, lnode)) != DI_LNODE_NIL) { 33667c478bd9Sstevel@tonic-gate action = callback(lnode, arg); 33677c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 33687c478bd9Sstevel@tonic-gate break; 33697c478bd9Sstevel@tonic-gate } 33707c478bd9Sstevel@tonic-gate } 33717c478bd9Sstevel@tonic-gate 33727c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 33737c478bd9Sstevel@tonic-gate } 33747c478bd9Sstevel@tonic-gate 33757c478bd9Sstevel@tonic-gate int 33767c478bd9Sstevel@tonic-gate di_walk_lnode(di_node_t root, uint_t flag, void *arg, 33777c478bd9Sstevel@tonic-gate int (*lnode_callback)(di_lnode_t lnode, void *arg)) 33787c478bd9Sstevel@tonic-gate { 33797c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate #ifdef DEBUG 3382*602ca9eaScth char *devfspath = di_devfs_path(root); 3383*602ca9eaScth DPRINTF((DI_INFO, "walking lnode data under %s\n", devfspath)); 3384*602ca9eaScth di_devfs_path_free(devfspath); 33857c478bd9Sstevel@tonic-gate #endif 33867c478bd9Sstevel@tonic-gate 33877c478bd9Sstevel@tonic-gate /* 33887c478bd9Sstevel@tonic-gate * paranoid error checking 33897c478bd9Sstevel@tonic-gate */ 33907c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (lnode_callback == NULL) || (flag != 0)) { 33917c478bd9Sstevel@tonic-gate errno = EINVAL; 33927c478bd9Sstevel@tonic-gate return (-1); 33937c478bd9Sstevel@tonic-gate } 33947c478bd9Sstevel@tonic-gate 33957c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 33967c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 33977c478bd9Sstevel@tonic-gate return (-1); 33987c478bd9Sstevel@tonic-gate } 33997c478bd9Sstevel@tonic-gate 34007c478bd9Sstevel@tonic-gate head->next = NULL; 34017c478bd9Sstevel@tonic-gate head->node = root; 34027c478bd9Sstevel@tonic-gate 34037c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start lnode data walking from node %s\n", 34047c478bd9Sstevel@tonic-gate di_node_name(root))); 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate while (head != NULL) 34077c478bd9Sstevel@tonic-gate walk_one_lnode(&head, arg, lnode_callback); 34087c478bd9Sstevel@tonic-gate 34097c478bd9Sstevel@tonic-gate return (0); 34107c478bd9Sstevel@tonic-gate } 34117c478bd9Sstevel@tonic-gate 34127c478bd9Sstevel@tonic-gate di_node_t 3413*602ca9eaScth di_lookup_node(di_node_t root, char *devfspath) 34147c478bd9Sstevel@tonic-gate { 34157c478bd9Sstevel@tonic-gate struct di_all *dap; 34167c478bd9Sstevel@tonic-gate di_node_t node; 3417*602ca9eaScth char *copy, *slash, *pname, *paddr; 34187c478bd9Sstevel@tonic-gate 34197c478bd9Sstevel@tonic-gate /* 34207c478bd9Sstevel@tonic-gate * Path must be absolute and musn't have duplicate slashes 34217c478bd9Sstevel@tonic-gate */ 3422*602ca9eaScth if (*devfspath != '/' || strstr(devfspath, "//")) { 3423*602ca9eaScth DPRINTF((DI_ERR, "Invalid path: %s\n", devfspath)); 34247c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 34257c478bd9Sstevel@tonic-gate } 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 34287c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "root node is DI_NODE_NIL\n")); 34297c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 34307c478bd9Sstevel@tonic-gate } 34317c478bd9Sstevel@tonic-gate 34327c478bd9Sstevel@tonic-gate dap = DI_ALL((caddr_t)root - DI_NODE(root)->self); 34337c478bd9Sstevel@tonic-gate if (strcmp(dap->root_path, "/") != 0) { 34347c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "snapshot root not / : %s\n", dap->root_path)); 34357c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 34367c478bd9Sstevel@tonic-gate } 34377c478bd9Sstevel@tonic-gate 3438*602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3439*602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 34407c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 34417c478bd9Sstevel@tonic-gate } 34427c478bd9Sstevel@tonic-gate 34437c478bd9Sstevel@tonic-gate for (slash = copy, node = root; slash; ) { 34447c478bd9Sstevel@tonic-gate 34457c478bd9Sstevel@tonic-gate /* 3446*602ca9eaScth * Handle devfspath = "/" case as well as trailing '/' 34477c478bd9Sstevel@tonic-gate */ 34487c478bd9Sstevel@tonic-gate if (*(slash + 1) == '\0') 34497c478bd9Sstevel@tonic-gate break; 34507c478bd9Sstevel@tonic-gate 34517c478bd9Sstevel@tonic-gate /* 34527c478bd9Sstevel@tonic-gate * More path-components exist. Deal with the next one 34537c478bd9Sstevel@tonic-gate */ 34547c478bd9Sstevel@tonic-gate pname = slash + 1; 34557c478bd9Sstevel@tonic-gate node = di_child_node(node); 34567c478bd9Sstevel@tonic-gate 34577c478bd9Sstevel@tonic-gate if (slash = strchr(pname, '/')) 34587c478bd9Sstevel@tonic-gate *slash = '\0'; 34597c478bd9Sstevel@tonic-gate if (paddr = strchr(pname, '@')) 34607c478bd9Sstevel@tonic-gate *paddr++ = '\0'; 34617c478bd9Sstevel@tonic-gate 34627c478bd9Sstevel@tonic-gate for (; node != DI_NODE_NIL; node = di_sibling_node(node)) { 34637c478bd9Sstevel@tonic-gate char *name, *baddr; 34647c478bd9Sstevel@tonic-gate 34657c478bd9Sstevel@tonic-gate name = di_node_name(node); 34667c478bd9Sstevel@tonic-gate baddr = di_bus_addr(node); 34677c478bd9Sstevel@tonic-gate 34687c478bd9Sstevel@tonic-gate if (strcmp(pname, name) != 0) 34697c478bd9Sstevel@tonic-gate continue; 34707c478bd9Sstevel@tonic-gate 34717c478bd9Sstevel@tonic-gate /* 34727c478bd9Sstevel@tonic-gate * Mappings between a "path-address" and bus-addr 34737c478bd9Sstevel@tonic-gate * 34747c478bd9Sstevel@tonic-gate * paddr baddr 34757c478bd9Sstevel@tonic-gate * --------------------- 34767c478bd9Sstevel@tonic-gate * NULL NULL 34777c478bd9Sstevel@tonic-gate * NULL "" 34787c478bd9Sstevel@tonic-gate * "" N/A (invalid paddr) 34797c478bd9Sstevel@tonic-gate */ 34807c478bd9Sstevel@tonic-gate if (paddr && baddr && strcmp(paddr, baddr) == 0) 34817c478bd9Sstevel@tonic-gate break; 34827c478bd9Sstevel@tonic-gate if (paddr == NULL && (baddr == NULL || *baddr == '\0')) 34837c478bd9Sstevel@tonic-gate break; 34847c478bd9Sstevel@tonic-gate } 34857c478bd9Sstevel@tonic-gate 34867c478bd9Sstevel@tonic-gate /* 34877c478bd9Sstevel@tonic-gate * No nodes in the sibling list or there was no match 34887c478bd9Sstevel@tonic-gate */ 34897c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 34907c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s@%s: no node\n", pname, paddr)); 3491*602ca9eaScth free(copy); 34927c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 34937c478bd9Sstevel@tonic-gate } 34947c478bd9Sstevel@tonic-gate } 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate assert(node != DI_NODE_NIL); 3497*602ca9eaScth free(copy); 34987c478bd9Sstevel@tonic-gate return (node); 34997c478bd9Sstevel@tonic-gate } 35007c478bd9Sstevel@tonic-gate 3501*602ca9eaScth di_path_t 3502*602ca9eaScth di_lookup_path(di_node_t root, char *devfspath) 3503*602ca9eaScth { 3504*602ca9eaScth di_node_t phci_node; 3505*602ca9eaScth di_path_t path = DI_PATH_NIL; 3506*602ca9eaScth char *copy, *lastslash; 3507*602ca9eaScth char *pname, *paddr; 3508*602ca9eaScth char *path_name, *path_addr; 3509*602ca9eaScth 3510*602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3511*602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 3512*602ca9eaScth return (DI_NODE_NIL); 3513*602ca9eaScth } 3514*602ca9eaScth 3515*602ca9eaScth if ((lastslash = strrchr(copy, '/')) == NULL) { 3516*602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3517*602ca9eaScth goto out; 3518*602ca9eaScth } 3519*602ca9eaScth 3520*602ca9eaScth /* stop at pHCI and find the node for the phci */ 3521*602ca9eaScth *lastslash = '\0'; 3522*602ca9eaScth phci_node = di_lookup_node(root, copy); 3523*602ca9eaScth if (phci_node == NULL) { 3524*602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3525*602ca9eaScth goto out; 3526*602ca9eaScth } 3527*602ca9eaScth 3528*602ca9eaScth /* set up pname and paddr for last component */ 3529*602ca9eaScth pname = lastslash + 1; 3530*602ca9eaScth if ((paddr = strchr(pname, '@')) == NULL) { 3531*602ca9eaScth DPRINTF((DI_ERR, "failed to find unit-addr: %s\n", devfspath)); 3532*602ca9eaScth goto out; 3533*602ca9eaScth } 3534*602ca9eaScth *paddr++ = '\0'; 3535*602ca9eaScth 3536*602ca9eaScth /* walk paths below phci looking for match */ 3537*602ca9eaScth for (path = di_path_phci_next_path(phci_node, DI_PATH_NIL); 3538*602ca9eaScth path != DI_PATH_NIL; 3539*602ca9eaScth path = di_path_phci_next_path(phci_node, path)) { 3540*602ca9eaScth 3541*602ca9eaScth /* get name@addr of path */ 3542*602ca9eaScth path_name = di_path_node_name(path); 3543*602ca9eaScth path_addr = di_path_bus_addr(path); 3544*602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 3545*602ca9eaScth continue; 3546*602ca9eaScth 3547*602ca9eaScth /* break on match */ 3548*602ca9eaScth if ((strcmp(pname, path_name) == 0) && 3549*602ca9eaScth (strcmp(paddr, path_addr) == 0)) 3550*602ca9eaScth break; 3551*602ca9eaScth } 3552*602ca9eaScth 3553*602ca9eaScth out: free(copy); 3554*602ca9eaScth return (path); 3555*602ca9eaScth } 3556*602ca9eaScth 35577c478bd9Sstevel@tonic-gate static char * 35587c478bd9Sstevel@tonic-gate msglevel2str(di_debug_t msglevel) 35597c478bd9Sstevel@tonic-gate { 35607c478bd9Sstevel@tonic-gate switch (msglevel) { 35617c478bd9Sstevel@tonic-gate case DI_ERR: 35627c478bd9Sstevel@tonic-gate return ("ERROR"); 35637c478bd9Sstevel@tonic-gate case DI_INFO: 35647c478bd9Sstevel@tonic-gate return ("Info"); 35657c478bd9Sstevel@tonic-gate case DI_TRACE: 35667c478bd9Sstevel@tonic-gate return ("Trace"); 35677c478bd9Sstevel@tonic-gate case DI_TRACE1: 35687c478bd9Sstevel@tonic-gate return ("Trace1"); 35697c478bd9Sstevel@tonic-gate case DI_TRACE2: 35707c478bd9Sstevel@tonic-gate return ("Trace2"); 35717c478bd9Sstevel@tonic-gate default: 35727c478bd9Sstevel@tonic-gate return ("UNKNOWN"); 35737c478bd9Sstevel@tonic-gate } 35747c478bd9Sstevel@tonic-gate } 35757c478bd9Sstevel@tonic-gate 35767c478bd9Sstevel@tonic-gate void 35777c478bd9Sstevel@tonic-gate dprint(di_debug_t msglevel, const char *fmt, ...) 35787c478bd9Sstevel@tonic-gate { 35797c478bd9Sstevel@tonic-gate va_list ap; 35807c478bd9Sstevel@tonic-gate char *estr; 35817c478bd9Sstevel@tonic-gate 35827c478bd9Sstevel@tonic-gate if (di_debug <= DI_QUIET) 35837c478bd9Sstevel@tonic-gate return; 35847c478bd9Sstevel@tonic-gate 35857c478bd9Sstevel@tonic-gate if (di_debug < msglevel) 35867c478bd9Sstevel@tonic-gate return; 35877c478bd9Sstevel@tonic-gate 35887c478bd9Sstevel@tonic-gate estr = msglevel2str(msglevel); 35897c478bd9Sstevel@tonic-gate 35907c478bd9Sstevel@tonic-gate assert(estr); 35917c478bd9Sstevel@tonic-gate 35927c478bd9Sstevel@tonic-gate va_start(ap, fmt); 35937c478bd9Sstevel@tonic-gate 35947c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "libdevinfo[%lu]: %s: ", 35957c478bd9Sstevel@tonic-gate (ulong_t)getpid(), estr); 35967c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 35977c478bd9Sstevel@tonic-gate 35987c478bd9Sstevel@tonic-gate va_end(ap); 35997c478bd9Sstevel@tonic-gate } 36007c478bd9Sstevel@tonic-gate 36017c478bd9Sstevel@tonic-gate /* end of devinfo.c */ 3602