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 /* 223ebafc43Sjveta * Copyright 2007 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 8617c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 8627c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking minor nodes under %s\n", path)); 8637c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 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 1001*25e8c5aaSvikram uint_t 1002*25e8c5aaSvikram di_retired(di_node_t node) 1003*25e8c5aaSvikram { 1004*25e8c5aaSvikram return (di_flags(node) & DEVI_RETIRED); 1005*25e8c5aaSvikram } 1006*25e8c5aaSvikram 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; 11337c478bd9Sstevel@tonic-gate char *full_path, *name, *path; 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); 11437c478bd9Sstevel@tonic-gate path = di_devfs_path(node); 11447c478bd9Sstevel@tonic-gate if (path == NULL) 11457c478bd9Sstevel@tonic-gate return (NULL); 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate /* make the full path to the device minor node */ 11487c478bd9Sstevel@tonic-gate full_path_len = strlen(path) + strlen(name) + 2; 11497c478bd9Sstevel@tonic-gate full_path = (char *)calloc(1, full_path_len); 11507c478bd9Sstevel@tonic-gate if (full_path != NULL) 11517c478bd9Sstevel@tonic-gate (void) snprintf(full_path, full_path_len, "%s:%s", path, name); 11527c478bd9Sstevel@tonic-gate 11537c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 11547c478bd9Sstevel@tonic-gate return (full_path); 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate void 11587c478bd9Sstevel@tonic-gate di_devfs_path_free(char *buf) 11597c478bd9Sstevel@tonic-gate { 11607c478bd9Sstevel@tonic-gate if (buf == NULL) { 11617c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_devfs_path_free NULL arg!\n")); 11627c478bd9Sstevel@tonic-gate return; 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate 11657c478bd9Sstevel@tonic-gate free(buf); 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate 11687c478bd9Sstevel@tonic-gate /* minor data access */ 11697c478bd9Sstevel@tonic-gate di_minor_t 11707c478bd9Sstevel@tonic-gate di_minor_next(di_node_t node, di_minor_t minor) 11717c478bd9Sstevel@tonic-gate { 11727c478bd9Sstevel@tonic-gate caddr_t pa; 11737c478bd9Sstevel@tonic-gate 11747c478bd9Sstevel@tonic-gate /* 11757c478bd9Sstevel@tonic-gate * paranoid error checking 11767c478bd9Sstevel@tonic-gate */ 11777c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 11787c478bd9Sstevel@tonic-gate errno = EINVAL; 11797c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 11807c478bd9Sstevel@tonic-gate } 11817c478bd9Sstevel@tonic-gate 11827c478bd9Sstevel@tonic-gate /* 11837c478bd9Sstevel@tonic-gate * minor is not NIL 11847c478bd9Sstevel@tonic-gate */ 11857c478bd9Sstevel@tonic-gate if (minor != DI_MINOR_NIL) { 11867c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->next != 0) 11877c478bd9Sstevel@tonic-gate return ((di_minor_t)((void *)((caddr_t)minor - 11887c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->next))); 11897c478bd9Sstevel@tonic-gate else { 11907c478bd9Sstevel@tonic-gate errno = ENXIO; 11917c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 11927c478bd9Sstevel@tonic-gate } 11937c478bd9Sstevel@tonic-gate } 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate /* 11967c478bd9Sstevel@tonic-gate * minor is NIL-->caller asks for first minor node 11977c478bd9Sstevel@tonic-gate */ 11987c478bd9Sstevel@tonic-gate if (DI_NODE(node)->minor_data != 0) { 11997c478bd9Sstevel@tonic-gate return (DI_MINOR((caddr_t)node - DI_NODE(node)->self + 12007c478bd9Sstevel@tonic-gate DI_NODE(node)->minor_data)); 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate /* 12047c478bd9Sstevel@tonic-gate * no minor data-->check if snapshot includes minor data 12057c478bd9Sstevel@tonic-gate * in order to set the correct errno 12067c478bd9Sstevel@tonic-gate */ 12077c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 12087c478bd9Sstevel@tonic-gate if (DINFOMINOR & DI_ALL(pa)->command) 12097c478bd9Sstevel@tonic-gate errno = ENXIO; 12107c478bd9Sstevel@tonic-gate else 12117c478bd9Sstevel@tonic-gate errno = ENOTSUP; 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 12147c478bd9Sstevel@tonic-gate } 12157c478bd9Sstevel@tonic-gate 12167c478bd9Sstevel@tonic-gate /* private interface for dealing with alias minor link generation */ 12177c478bd9Sstevel@tonic-gate di_node_t 12187c478bd9Sstevel@tonic-gate di_minor_devinfo(di_minor_t minor) 12197c478bd9Sstevel@tonic-gate { 12207c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 12217c478bd9Sstevel@tonic-gate errno = EINVAL; 12227c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 12237c478bd9Sstevel@tonic-gate } 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)minor - DI_MINOR(minor)->self + 12267c478bd9Sstevel@tonic-gate DI_MINOR(minor)->node)); 12277c478bd9Sstevel@tonic-gate } 12287c478bd9Sstevel@tonic-gate 12297c478bd9Sstevel@tonic-gate ddi_minor_type 12307c478bd9Sstevel@tonic-gate di_minor_type(di_minor_t minor) 12317c478bd9Sstevel@tonic-gate { 12327c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->type); 12337c478bd9Sstevel@tonic-gate } 12347c478bd9Sstevel@tonic-gate 12357c478bd9Sstevel@tonic-gate char * 12367c478bd9Sstevel@tonic-gate di_minor_name(di_minor_t minor) 12377c478bd9Sstevel@tonic-gate { 12387c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->name == 0) 12397c478bd9Sstevel@tonic-gate return (NULL); 12407c478bd9Sstevel@tonic-gate 12417c478bd9Sstevel@tonic-gate return ((caddr_t)minor - DI_MINOR(minor)->self + DI_MINOR(minor)->name); 12427c478bd9Sstevel@tonic-gate } 12437c478bd9Sstevel@tonic-gate 12447c478bd9Sstevel@tonic-gate dev_t 12457c478bd9Sstevel@tonic-gate di_minor_devt(di_minor_t minor) 12467c478bd9Sstevel@tonic-gate { 12477c478bd9Sstevel@tonic-gate return (makedev(DI_MINOR(minor)->dev_major, 12487c478bd9Sstevel@tonic-gate DI_MINOR(minor)->dev_minor)); 12497c478bd9Sstevel@tonic-gate } 12507c478bd9Sstevel@tonic-gate 12517c478bd9Sstevel@tonic-gate int 12527c478bd9Sstevel@tonic-gate di_minor_spectype(di_minor_t minor) 12537c478bd9Sstevel@tonic-gate { 12547c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->spec_type); 12557c478bd9Sstevel@tonic-gate } 12567c478bd9Sstevel@tonic-gate 12577c478bd9Sstevel@tonic-gate char * 12587c478bd9Sstevel@tonic-gate di_minor_nodetype(di_minor_t minor) 12597c478bd9Sstevel@tonic-gate { 12607c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->node_type == 0) 12617c478bd9Sstevel@tonic-gate return (NULL); 12627c478bd9Sstevel@tonic-gate 12637c478bd9Sstevel@tonic-gate return ((caddr_t)minor - 12647c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->node_type); 12657c478bd9Sstevel@tonic-gate } 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate /* 12687c478bd9Sstevel@tonic-gate * Single public interface for accessing software properties 12697c478bd9Sstevel@tonic-gate */ 12707c478bd9Sstevel@tonic-gate di_prop_t 12717c478bd9Sstevel@tonic-gate di_prop_next(di_node_t node, di_prop_t prop) 12727c478bd9Sstevel@tonic-gate { 12737c478bd9Sstevel@tonic-gate int list = DI_PROP_DRV_LIST; 12747c478bd9Sstevel@tonic-gate 12757c478bd9Sstevel@tonic-gate /* 12767c478bd9Sstevel@tonic-gate * paranoid check 12777c478bd9Sstevel@tonic-gate */ 12787c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 12797c478bd9Sstevel@tonic-gate errno = EINVAL; 12807c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 12817c478bd9Sstevel@tonic-gate } 12827c478bd9Sstevel@tonic-gate 12837c478bd9Sstevel@tonic-gate /* 12847c478bd9Sstevel@tonic-gate * Find which prop list we are at 12857c478bd9Sstevel@tonic-gate */ 12867c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) 12877c478bd9Sstevel@tonic-gate list = DI_PROP(prop)->prop_list; 12887c478bd9Sstevel@tonic-gate 12897c478bd9Sstevel@tonic-gate do { 12907c478bd9Sstevel@tonic-gate switch (list++) { 12917c478bd9Sstevel@tonic-gate case DI_PROP_DRV_LIST: 12927c478bd9Sstevel@tonic-gate prop = di_prop_drv_next(node, prop); 12937c478bd9Sstevel@tonic-gate break; 12947c478bd9Sstevel@tonic-gate case DI_PROP_SYS_LIST: 12957c478bd9Sstevel@tonic-gate prop = di_prop_sys_next(node, prop); 12967c478bd9Sstevel@tonic-gate break; 12977c478bd9Sstevel@tonic-gate case DI_PROP_GLB_LIST: 12987c478bd9Sstevel@tonic-gate prop = di_prop_global_next(node, prop); 12997c478bd9Sstevel@tonic-gate break; 13007c478bd9Sstevel@tonic-gate case DI_PROP_HW_LIST: 13017c478bd9Sstevel@tonic-gate prop = di_prop_hw_next(node, prop); 13027c478bd9Sstevel@tonic-gate break; 13037c478bd9Sstevel@tonic-gate default: /* shouldn't happen */ 13047c478bd9Sstevel@tonic-gate errno = EFAULT; 13057c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 13067c478bd9Sstevel@tonic-gate } 13077c478bd9Sstevel@tonic-gate } while ((prop == DI_PROP_NIL) && (list <= DI_PROP_HW_LIST)); 13087c478bd9Sstevel@tonic-gate 13097c478bd9Sstevel@tonic-gate return (prop); 13107c478bd9Sstevel@tonic-gate } 13117c478bd9Sstevel@tonic-gate 13127c478bd9Sstevel@tonic-gate dev_t 13137c478bd9Sstevel@tonic-gate di_prop_devt(di_prop_t prop) 13147c478bd9Sstevel@tonic-gate { 13157c478bd9Sstevel@tonic-gate return (makedev(DI_PROP(prop)->dev_major, DI_PROP(prop)->dev_minor)); 13167c478bd9Sstevel@tonic-gate } 13177c478bd9Sstevel@tonic-gate 13187c478bd9Sstevel@tonic-gate char * 13197c478bd9Sstevel@tonic-gate di_prop_name(di_prop_t prop) 13207c478bd9Sstevel@tonic-gate { 13217c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_name == 0) 13227c478bd9Sstevel@tonic-gate return (NULL); 13237c478bd9Sstevel@tonic-gate 13247c478bd9Sstevel@tonic-gate return ((caddr_t)prop - DI_PROP(prop)->self + DI_PROP(prop)->prop_name); 13257c478bd9Sstevel@tonic-gate } 13267c478bd9Sstevel@tonic-gate 13277c478bd9Sstevel@tonic-gate int 13287c478bd9Sstevel@tonic-gate di_prop_type(di_prop_t prop) 13297c478bd9Sstevel@tonic-gate { 13307c478bd9Sstevel@tonic-gate uint_t flags = DI_PROP(prop)->prop_flags; 13317c478bd9Sstevel@tonic-gate 13327c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) 13337c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNDEF_IT); 13347c478bd9Sstevel@tonic-gate 13357c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13367c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BOOLEAN); 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_TYPE_MASK) == DDI_PROP_TYPE_ANY) 13397c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 13407c478bd9Sstevel@tonic-gate 13417c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT) 13427c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 13437c478bd9Sstevel@tonic-gate 13447c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT64) 13457c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 13467c478bd9Sstevel@tonic-gate 13477c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_STRING) 13487c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 13497c478bd9Sstevel@tonic-gate 13507c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_BYTE) 13517c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 13527c478bd9Sstevel@tonic-gate 13537c478bd9Sstevel@tonic-gate /* 13547c478bd9Sstevel@tonic-gate * Shouldn't get here. In case we do, return unknown type. 13557c478bd9Sstevel@tonic-gate * 13567c478bd9Sstevel@tonic-gate * XXX--When DDI_PROP_TYPE_COMPOSITE is implemented, we need 13577c478bd9Sstevel@tonic-gate * to add DI_PROP_TYPE_COMPOSITE. 13587c478bd9Sstevel@tonic-gate */ 13597c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unimplemented property type: 0x%x\n", flags)); 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 13627c478bd9Sstevel@tonic-gate } 13637c478bd9Sstevel@tonic-gate 13647c478bd9Sstevel@tonic-gate /* 13657c478bd9Sstevel@tonic-gate * Extract type-specific values of an property 13667c478bd9Sstevel@tonic-gate */ 13677c478bd9Sstevel@tonic-gate extern int di_prop_decode_common(void *prop_data, int len, 13687c478bd9Sstevel@tonic-gate int ddi_type, int prom); 13697c478bd9Sstevel@tonic-gate 13707c478bd9Sstevel@tonic-gate int 13717c478bd9Sstevel@tonic-gate di_prop_ints(di_prop_t prop, int **prop_data) 13727c478bd9Sstevel@tonic-gate { 13737c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13747c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 13757c478bd9Sstevel@tonic-gate 13767c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 13777c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 13787c478bd9Sstevel@tonic-gate errno = EFAULT; 13797c478bd9Sstevel@tonic-gate *prop_data = NULL; 13807c478bd9Sstevel@tonic-gate return (-1); 13817c478bd9Sstevel@tonic-gate } 13827c478bd9Sstevel@tonic-gate 13837c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PROP(prop)->self 13847c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 13857c478bd9Sstevel@tonic-gate 13867c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 13877c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate int 13917c478bd9Sstevel@tonic-gate di_prop_int64(di_prop_t prop, int64_t **prop_data) 13927c478bd9Sstevel@tonic-gate { 13937c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 13947c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 13977c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 13987c478bd9Sstevel@tonic-gate errno = EFAULT; 13997c478bd9Sstevel@tonic-gate *prop_data = NULL; 14007c478bd9Sstevel@tonic-gate return (-1); 14017c478bd9Sstevel@tonic-gate } 14027c478bd9Sstevel@tonic-gate 14037c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - DI_PROP(prop)->self 14047c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 14057c478bd9Sstevel@tonic-gate 14067c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 14077c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate 14107c478bd9Sstevel@tonic-gate int 14117c478bd9Sstevel@tonic-gate di_prop_strings(di_prop_t prop, char **prop_data) 14127c478bd9Sstevel@tonic-gate { 14137c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 14147c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 14177c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 14187c478bd9Sstevel@tonic-gate errno = EFAULT; 14197c478bd9Sstevel@tonic-gate *prop_data = NULL; 14207c478bd9Sstevel@tonic-gate return (-1); 14217c478bd9Sstevel@tonic-gate } 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PROP(prop)->self 14247c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 14277c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 14287c478bd9Sstevel@tonic-gate } 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate int 14317c478bd9Sstevel@tonic-gate di_prop_bytes(di_prop_t prop, uchar_t **prop_data) 14327c478bd9Sstevel@tonic-gate { 14337c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 14347c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 14357c478bd9Sstevel@tonic-gate 14367c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 14377c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 14387c478bd9Sstevel@tonic-gate errno = EFAULT; 14397c478bd9Sstevel@tonic-gate *prop_data = NULL; 14407c478bd9Sstevel@tonic-gate return (-1); 14417c478bd9Sstevel@tonic-gate } 14427c478bd9Sstevel@tonic-gate 14437c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self 14447c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 14477c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 14487c478bd9Sstevel@tonic-gate } 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate /* 14517c478bd9Sstevel@tonic-gate * returns 1 for match, 0 for no match 14527c478bd9Sstevel@tonic-gate */ 14537c478bd9Sstevel@tonic-gate static int 14547c478bd9Sstevel@tonic-gate match_prop(di_prop_t prop, dev_t match_dev, const char *name, int type) 14557c478bd9Sstevel@tonic-gate { 14567c478bd9Sstevel@tonic-gate int prop_type; 14577c478bd9Sstevel@tonic-gate 14587c478bd9Sstevel@tonic-gate #ifdef DEBUG 14597c478bd9Sstevel@tonic-gate if (di_prop_name(prop) == NULL) { 14607c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "libdevinfo: property has no name!\n")); 14617c478bd9Sstevel@tonic-gate return (0); 14627c478bd9Sstevel@tonic-gate } 14637c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 14647c478bd9Sstevel@tonic-gate 14657c478bd9Sstevel@tonic-gate if (strcmp(name, di_prop_name(prop)) != 0) 14667c478bd9Sstevel@tonic-gate return (0); 14677c478bd9Sstevel@tonic-gate 14687c478bd9Sstevel@tonic-gate if ((match_dev != DDI_DEV_T_ANY) && (di_prop_devt(prop) != match_dev)) 14697c478bd9Sstevel@tonic-gate return (0); 14707c478bd9Sstevel@tonic-gate 14717c478bd9Sstevel@tonic-gate /* 14727c478bd9Sstevel@tonic-gate * XXX prop_type is different from DDI_*. See PSARC 1997/127. 14737c478bd9Sstevel@tonic-gate */ 14747c478bd9Sstevel@tonic-gate prop_type = di_prop_type(prop); 14757c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type) && 14767c478bd9Sstevel@tonic-gate (prop_type != DI_PROP_TYPE_BOOLEAN)) 14777c478bd9Sstevel@tonic-gate return (0); 14787c478bd9Sstevel@tonic-gate 14797c478bd9Sstevel@tonic-gate return (1); 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate static di_prop_t 14837c478bd9Sstevel@tonic-gate di_prop_search(dev_t match_dev, di_node_t node, const char *name, 14847c478bd9Sstevel@tonic-gate int type) 14857c478bd9Sstevel@tonic-gate { 14867c478bd9Sstevel@tonic-gate di_prop_t prop = DI_PROP_NIL; 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate /* 14897c478bd9Sstevel@tonic-gate * The check on match_dev follows ddi_prop_lookup_common(). 14907c478bd9Sstevel@tonic-gate * Other checks are libdevinfo specific implementation. 14917c478bd9Sstevel@tonic-gate */ 14927c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 14937c478bd9Sstevel@tonic-gate (match_dev == DDI_DEV_T_NONE) || !DI_PROP_TYPE_VALID(type)) { 14947c478bd9Sstevel@tonic-gate errno = EINVAL; 14957c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14967c478bd9Sstevel@tonic-gate } 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 14997c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match prop name %s, devt 0x%lx, type %d\n", 15007c478bd9Sstevel@tonic-gate di_prop_name(prop), di_prop_devt(prop), 15017c478bd9Sstevel@tonic-gate di_prop_type(prop))); 15027c478bd9Sstevel@tonic-gate if (match_prop(prop, match_dev, name, type)) 15037c478bd9Sstevel@tonic-gate return (prop); 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate 15067c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 15077c478bd9Sstevel@tonic-gate } 15087c478bd9Sstevel@tonic-gate 15093ebafc43Sjveta di_prop_t 15103ebafc43Sjveta di_prop_find(dev_t match_dev, di_node_t node, const char *name) 15113ebafc43Sjveta { 15123ebafc43Sjveta di_prop_t prop = DI_PROP_NIL; 15133ebafc43Sjveta 15143ebafc43Sjveta if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 15153ebafc43Sjveta (match_dev == DDI_DEV_T_NONE)) { 15163ebafc43Sjveta errno = EINVAL; 15173ebafc43Sjveta return (DI_PROP_NIL); 15183ebafc43Sjveta } 15193ebafc43Sjveta 15203ebafc43Sjveta while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 15213ebafc43Sjveta DPRINTF((DI_TRACE1, "found prop name %s, devt 0x%lx, type %d\n", 15223ebafc43Sjveta di_prop_name(prop), di_prop_devt(prop), 15233ebafc43Sjveta di_prop_type(prop))); 15243ebafc43Sjveta 15253ebafc43Sjveta if (strcmp(name, di_prop_name(prop)) == 0 && 15263ebafc43Sjveta (match_dev == DDI_DEV_T_ANY || 15273ebafc43Sjveta di_prop_devt(prop) == match_dev)) 15283ebafc43Sjveta return (prop); 15293ebafc43Sjveta } 15303ebafc43Sjveta 15313ebafc43Sjveta return (DI_PROP_NIL); 15323ebafc43Sjveta } 15333ebafc43Sjveta 15347c478bd9Sstevel@tonic-gate int 15357c478bd9Sstevel@tonic-gate di_prop_lookup_ints(dev_t dev, di_node_t node, const char *prop_name, 15367c478bd9Sstevel@tonic-gate int **prop_data) 15377c478bd9Sstevel@tonic-gate { 15387c478bd9Sstevel@tonic-gate di_prop_t prop; 15397c478bd9Sstevel@tonic-gate 15407c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15417c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 15427c478bd9Sstevel@tonic-gate return (-1); 15437c478bd9Sstevel@tonic-gate 15447c478bd9Sstevel@tonic-gate return (di_prop_ints(prop, (void *)prop_data)); 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate int 15487c478bd9Sstevel@tonic-gate di_prop_lookup_int64(dev_t dev, di_node_t node, const char *prop_name, 15497c478bd9Sstevel@tonic-gate int64_t **prop_data) 15507c478bd9Sstevel@tonic-gate { 15517c478bd9Sstevel@tonic-gate di_prop_t prop; 15527c478bd9Sstevel@tonic-gate 15537c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15547c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 15557c478bd9Sstevel@tonic-gate return (-1); 15567c478bd9Sstevel@tonic-gate 15577c478bd9Sstevel@tonic-gate return (di_prop_int64(prop, (void *)prop_data)); 15587c478bd9Sstevel@tonic-gate } 15597c478bd9Sstevel@tonic-gate 15607c478bd9Sstevel@tonic-gate int 15617c478bd9Sstevel@tonic-gate di_prop_lookup_strings(dev_t dev, di_node_t node, const char *prop_name, 15627c478bd9Sstevel@tonic-gate char **prop_data) 15637c478bd9Sstevel@tonic-gate { 15647c478bd9Sstevel@tonic-gate di_prop_t prop; 15657c478bd9Sstevel@tonic-gate 15667c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15677c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 15687c478bd9Sstevel@tonic-gate return (-1); 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate return (di_prop_strings(prop, (void *)prop_data)); 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate int 15747c478bd9Sstevel@tonic-gate di_prop_lookup_bytes(dev_t dev, di_node_t node, const char *prop_name, 15757c478bd9Sstevel@tonic-gate uchar_t **prop_data) 15767c478bd9Sstevel@tonic-gate { 15777c478bd9Sstevel@tonic-gate di_prop_t prop; 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 15807c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 15817c478bd9Sstevel@tonic-gate return (-1); 15827c478bd9Sstevel@tonic-gate 15837c478bd9Sstevel@tonic-gate return (di_prop_bytes(prop, (void *)prop_data)); 15847c478bd9Sstevel@tonic-gate } 15857c478bd9Sstevel@tonic-gate 15867c478bd9Sstevel@tonic-gate /* 15877c478bd9Sstevel@tonic-gate * Consolidation private property access functions 15887c478bd9Sstevel@tonic-gate */ 15897c478bd9Sstevel@tonic-gate enum prop_type { 15907c478bd9Sstevel@tonic-gate PROP_TYPE_DRV, 15917c478bd9Sstevel@tonic-gate PROP_TYPE_SYS, 15927c478bd9Sstevel@tonic-gate PROP_TYPE_GLOB, 15937c478bd9Sstevel@tonic-gate PROP_TYPE_HW 15947c478bd9Sstevel@tonic-gate }; 15957c478bd9Sstevel@tonic-gate 15967c478bd9Sstevel@tonic-gate static di_prop_t 15977c478bd9Sstevel@tonic-gate di_prop_next_common(di_node_t node, di_prop_t prop, int prop_type) 15987c478bd9Sstevel@tonic-gate { 15997c478bd9Sstevel@tonic-gate caddr_t pa; 16007c478bd9Sstevel@tonic-gate di_off_t prop_off = 0; 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 16037c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next) { 16047c478bd9Sstevel@tonic-gate return (DI_PROP((caddr_t)prop - 16057c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 16067c478bd9Sstevel@tonic-gate } else { 16077c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate } 16107c478bd9Sstevel@tonic-gate 16117c478bd9Sstevel@tonic-gate 16127c478bd9Sstevel@tonic-gate /* 16137c478bd9Sstevel@tonic-gate * prop is NIL, caller asks for first property 16147c478bd9Sstevel@tonic-gate */ 16157c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 16167c478bd9Sstevel@tonic-gate switch (prop_type) { 16177c478bd9Sstevel@tonic-gate case PROP_TYPE_DRV: 16187c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->drv_prop; 16197c478bd9Sstevel@tonic-gate break; 16207c478bd9Sstevel@tonic-gate case PROP_TYPE_SYS: 16217c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->sys_prop; 16227c478bd9Sstevel@tonic-gate break; 16237c478bd9Sstevel@tonic-gate case PROP_TYPE_HW: 16247c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->hw_prop; 16257c478bd9Sstevel@tonic-gate break; 16267c478bd9Sstevel@tonic-gate case PROP_TYPE_GLOB: 16277c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->glob_prop; 16287c478bd9Sstevel@tonic-gate if (prop_off == -1) { 16297c478bd9Sstevel@tonic-gate /* no global property */ 16307c478bd9Sstevel@tonic-gate prop_off = 0; 16317c478bd9Sstevel@tonic-gate } else if ((prop_off == 0) && (DI_NODE(node)->drv_major >= 0)) { 16327c478bd9Sstevel@tonic-gate /* refer to devnames array */ 16337c478bd9Sstevel@tonic-gate struct di_devnm *devnm = DI_DEVNM(pa + 16347c478bd9Sstevel@tonic-gate DI_ALL(pa)->devnames + (DI_NODE(node)->drv_major * 16357c478bd9Sstevel@tonic-gate sizeof (struct di_devnm))); 16367c478bd9Sstevel@tonic-gate prop_off = devnm->global_prop; 16377c478bd9Sstevel@tonic-gate } 16387c478bd9Sstevel@tonic-gate break; 16397c478bd9Sstevel@tonic-gate } 16407c478bd9Sstevel@tonic-gate 16417c478bd9Sstevel@tonic-gate if (prop_off) { 16427c478bd9Sstevel@tonic-gate return (DI_PROP(pa + prop_off)); 16437c478bd9Sstevel@tonic-gate } 16447c478bd9Sstevel@tonic-gate 16457c478bd9Sstevel@tonic-gate /* 16467c478bd9Sstevel@tonic-gate * no prop found. Check the reason for not found 16477c478bd9Sstevel@tonic-gate */ 16487c478bd9Sstevel@tonic-gate if (DINFOPROP & DI_ALL(pa)->command) 16497c478bd9Sstevel@tonic-gate errno = ENXIO; 16507c478bd9Sstevel@tonic-gate else 16517c478bd9Sstevel@tonic-gate errno = ENOTSUP; 16527c478bd9Sstevel@tonic-gate 16537c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16547c478bd9Sstevel@tonic-gate } 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate di_prop_t 16577c478bd9Sstevel@tonic-gate di_prop_drv_next(di_node_t node, di_prop_t prop) 16587c478bd9Sstevel@tonic-gate { 16597c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_DRV)); 16607c478bd9Sstevel@tonic-gate } 16617c478bd9Sstevel@tonic-gate 16627c478bd9Sstevel@tonic-gate di_prop_t 16637c478bd9Sstevel@tonic-gate di_prop_sys_next(di_node_t node, di_prop_t prop) 16647c478bd9Sstevel@tonic-gate { 16657c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_SYS)); 16667c478bd9Sstevel@tonic-gate } 16677c478bd9Sstevel@tonic-gate 16687c478bd9Sstevel@tonic-gate di_prop_t 16697c478bd9Sstevel@tonic-gate di_prop_global_next(di_node_t node, di_prop_t prop) 16707c478bd9Sstevel@tonic-gate { 16717c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_GLOB)); 16727c478bd9Sstevel@tonic-gate } 16737c478bd9Sstevel@tonic-gate 16747c478bd9Sstevel@tonic-gate di_prop_t 16757c478bd9Sstevel@tonic-gate di_prop_hw_next(di_node_t node, di_prop_t prop) 16767c478bd9Sstevel@tonic-gate { 16777c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_HW)); 16787c478bd9Sstevel@tonic-gate } 16797c478bd9Sstevel@tonic-gate 16807c478bd9Sstevel@tonic-gate int 16817c478bd9Sstevel@tonic-gate di_prop_rawdata(di_prop_t prop, uchar_t **prop_data) 16827c478bd9Sstevel@tonic-gate { 16837c478bd9Sstevel@tonic-gate #ifdef DEBUG 16847c478bd9Sstevel@tonic-gate if (prop == DI_PROP_NIL) { 16857c478bd9Sstevel@tonic-gate errno = EINVAL; 16867c478bd9Sstevel@tonic-gate return (-1); 16877c478bd9Sstevel@tonic-gate } 16887c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 16897c478bd9Sstevel@tonic-gate 16907c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) { 16917c478bd9Sstevel@tonic-gate *prop_data = NULL; 16927c478bd9Sstevel@tonic-gate return (0); 16937c478bd9Sstevel@tonic-gate } 16947c478bd9Sstevel@tonic-gate 16957c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 16967c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 16977c478bd9Sstevel@tonic-gate errno = EFAULT; 16987c478bd9Sstevel@tonic-gate *prop_data = NULL; 16997c478bd9Sstevel@tonic-gate return (-1); 17007c478bd9Sstevel@tonic-gate } 17017c478bd9Sstevel@tonic-gate 17027c478bd9Sstevel@tonic-gate /* 17037c478bd9Sstevel@tonic-gate * No memory allocation. 17047c478bd9Sstevel@tonic-gate */ 17057c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self + 17067c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_data); 17077c478bd9Sstevel@tonic-gate 17087c478bd9Sstevel@tonic-gate return (DI_PROP(prop)->prop_len); 17097c478bd9Sstevel@tonic-gate } 17107c478bd9Sstevel@tonic-gate 17117c478bd9Sstevel@tonic-gate /* 17127c478bd9Sstevel@tonic-gate * Consolidation private interfaces for accessing I/O multipathing data 17137c478bd9Sstevel@tonic-gate */ 17147c478bd9Sstevel@tonic-gate di_path_t 17157c478bd9Sstevel@tonic-gate di_path_next_client(di_node_t node, di_path_t path) 17167c478bd9Sstevel@tonic-gate { 17177c478bd9Sstevel@tonic-gate caddr_t pa; 17187c478bd9Sstevel@tonic-gate 17197c478bd9Sstevel@tonic-gate /* 17207c478bd9Sstevel@tonic-gate * path is not NIL 17217c478bd9Sstevel@tonic-gate */ 17227c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 17237c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_p_link != 0) 17247c478bd9Sstevel@tonic-gate return (DI_PATH((void *)((caddr_t)path - 17257c478bd9Sstevel@tonic-gate DI_PATH(path)->self + DI_PATH(path)->path_p_link))); 17267c478bd9Sstevel@tonic-gate else { 17277c478bd9Sstevel@tonic-gate errno = ENXIO; 17287c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17297c478bd9Sstevel@tonic-gate } 17307c478bd9Sstevel@tonic-gate } 17317c478bd9Sstevel@tonic-gate 17327c478bd9Sstevel@tonic-gate /* 17337c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 17347c478bd9Sstevel@tonic-gate */ 17357c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_phci != 0) { 17367c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "phci: returning %p\n", ((caddr_t)node - 17377c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_phci))); 17387c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 17397c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_phci)); 17407c478bd9Sstevel@tonic-gate } 17417c478bd9Sstevel@tonic-gate 17427c478bd9Sstevel@tonic-gate /* 17437c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 17447c478bd9Sstevel@tonic-gate * to set errno properly. 17457c478bd9Sstevel@tonic-gate */ 17467c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17477c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 17487c478bd9Sstevel@tonic-gate errno = ENXIO; 17497c478bd9Sstevel@tonic-gate else 17507c478bd9Sstevel@tonic-gate errno = ENOTSUP; 17517c478bd9Sstevel@tonic-gate 17527c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17537c478bd9Sstevel@tonic-gate } 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate di_path_t 17567c478bd9Sstevel@tonic-gate di_path_next_phci(di_node_t node, di_path_t path) 17577c478bd9Sstevel@tonic-gate { 17587c478bd9Sstevel@tonic-gate caddr_t pa; 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate /* 17617c478bd9Sstevel@tonic-gate * path is not NIL 17627c478bd9Sstevel@tonic-gate */ 17637c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 17647c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_c_link != 0) 17657c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)path - DI_PATH(path)->self 17667c478bd9Sstevel@tonic-gate + DI_PATH(path)->path_c_link)); 17677c478bd9Sstevel@tonic-gate else { 17687c478bd9Sstevel@tonic-gate errno = ENXIO; 17697c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17707c478bd9Sstevel@tonic-gate } 17717c478bd9Sstevel@tonic-gate } 17727c478bd9Sstevel@tonic-gate 17737c478bd9Sstevel@tonic-gate /* 17747c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 17757c478bd9Sstevel@tonic-gate */ 17767c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client != 0) { 17777c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "client: returning %p\n", ((caddr_t)node - 17787c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_client))); 17797c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 17807c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_client)); 17817c478bd9Sstevel@tonic-gate } 17827c478bd9Sstevel@tonic-gate 17837c478bd9Sstevel@tonic-gate /* 17847c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 17857c478bd9Sstevel@tonic-gate * to set errno properly. 17867c478bd9Sstevel@tonic-gate */ 17877c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17887c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 17897c478bd9Sstevel@tonic-gate errno = ENXIO; 17907c478bd9Sstevel@tonic-gate else 17917c478bd9Sstevel@tonic-gate errno = ENOTSUP; 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 17947c478bd9Sstevel@tonic-gate } 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate /* 17977c478bd9Sstevel@tonic-gate * XXX Obsolete wrapper to be removed. Won't work under multilevel. 17987c478bd9Sstevel@tonic-gate */ 17997c478bd9Sstevel@tonic-gate di_path_t 18007c478bd9Sstevel@tonic-gate di_path_next(di_node_t node, di_path_t path) 18017c478bd9Sstevel@tonic-gate { 18027c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 18037c478bd9Sstevel@tonic-gate errno = EINVAL; 18047c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18057c478bd9Sstevel@tonic-gate } 18067c478bd9Sstevel@tonic-gate 18077c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client) { 18087c478bd9Sstevel@tonic-gate return (di_path_next_phci(node, path)); 18097c478bd9Sstevel@tonic-gate } else if (DI_NODE(node)->multipath_phci) { 18107c478bd9Sstevel@tonic-gate return (di_path_next_client(node, path)); 18117c478bd9Sstevel@tonic-gate } else { 18127c478bd9Sstevel@tonic-gate /* 18137c478bd9Sstevel@tonic-gate * The node had multipathing data but didn't appear to be a 18147c478bd9Sstevel@tonic-gate * phci *or* a client; probably a programmer error. 18157c478bd9Sstevel@tonic-gate */ 18167c478bd9Sstevel@tonic-gate errno = EINVAL; 18177c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18187c478bd9Sstevel@tonic-gate } 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate di_path_state_t 18227c478bd9Sstevel@tonic-gate di_path_state(di_path_t path) 18237c478bd9Sstevel@tonic-gate { 18247c478bd9Sstevel@tonic-gate return ((di_path_state_t)DI_PATH(path)->path_state); 18257c478bd9Sstevel@tonic-gate } 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate char * 18287c478bd9Sstevel@tonic-gate di_path_addr(di_path_t path, char *buf) 18297c478bd9Sstevel@tonic-gate { 18307c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18337c478bd9Sstevel@tonic-gate 18347c478bd9Sstevel@tonic-gate (void) strncpy(buf, (char *)(pa + DI_PATH(path)->path_addr), 18357c478bd9Sstevel@tonic-gate MAXPATHLEN); 18367c478bd9Sstevel@tonic-gate return (buf); 18377c478bd9Sstevel@tonic-gate } 18387c478bd9Sstevel@tonic-gate 18397c478bd9Sstevel@tonic-gate di_node_t 18407c478bd9Sstevel@tonic-gate di_path_client_node(di_path_t path) 18417c478bd9Sstevel@tonic-gate { 18427c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 18457c478bd9Sstevel@tonic-gate errno = EINVAL; 18467c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18477c478bd9Sstevel@tonic-gate } 18487c478bd9Sstevel@tonic-gate 18497c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get client node for path %p\n", path)); 18507c478bd9Sstevel@tonic-gate 18517c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18527c478bd9Sstevel@tonic-gate 18537c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_client) { 18547c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_client)); 18557c478bd9Sstevel@tonic-gate } 18567c478bd9Sstevel@tonic-gate 18577c478bd9Sstevel@tonic-gate /* 18587c478bd9Sstevel@tonic-gate * Deal with error condition: 18597c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 18607c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 18617c478bd9Sstevel@tonic-gate */ 18627c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOCLIENT) == 0) 18637c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18647c478bd9Sstevel@tonic-gate else 18657c478bd9Sstevel@tonic-gate errno = ENXIO; 18667c478bd9Sstevel@tonic-gate 18677c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 18687c478bd9Sstevel@tonic-gate } 18697c478bd9Sstevel@tonic-gate 18707c478bd9Sstevel@tonic-gate di_node_t 18717c478bd9Sstevel@tonic-gate di_path_phci_node(di_path_t path) 18727c478bd9Sstevel@tonic-gate { 18737c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 18747c478bd9Sstevel@tonic-gate 18757c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 18767c478bd9Sstevel@tonic-gate errno = EINVAL; 18777c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 18787c478bd9Sstevel@tonic-gate } 18797c478bd9Sstevel@tonic-gate 18807c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get phci node for path %p\n", path)); 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 18837c478bd9Sstevel@tonic-gate 18847c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_phci) { 18857c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_phci)); 18867c478bd9Sstevel@tonic-gate } 18877c478bd9Sstevel@tonic-gate 18887c478bd9Sstevel@tonic-gate /* 18897c478bd9Sstevel@tonic-gate * Deal with error condition: 18907c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 18917c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 18927c478bd9Sstevel@tonic-gate */ 18937c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOPHCI) == 0) 18947c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18957c478bd9Sstevel@tonic-gate else 18967c478bd9Sstevel@tonic-gate errno = ENXIO; 18977c478bd9Sstevel@tonic-gate 18987c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 18997c478bd9Sstevel@tonic-gate } 19007c478bd9Sstevel@tonic-gate 19017c478bd9Sstevel@tonic-gate di_path_prop_t 19027c478bd9Sstevel@tonic-gate di_path_prop_next(di_path_t path, di_path_prop_t prop) 19037c478bd9Sstevel@tonic-gate { 19047c478bd9Sstevel@tonic-gate caddr_t pa; 19057c478bd9Sstevel@tonic-gate 19067c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 19077c478bd9Sstevel@tonic-gate errno = EINVAL; 19087c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 19097c478bd9Sstevel@tonic-gate } 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate /* 19127c478bd9Sstevel@tonic-gate * prop is not NIL 19137c478bd9Sstevel@tonic-gate */ 19147c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 19157c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next != 0) 19167c478bd9Sstevel@tonic-gate return (DI_PATHPROP((caddr_t)prop - 19177c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 19187c478bd9Sstevel@tonic-gate else { 19197c478bd9Sstevel@tonic-gate errno = ENXIO; 19207c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 19217c478bd9Sstevel@tonic-gate } 19227c478bd9Sstevel@tonic-gate } 19237c478bd9Sstevel@tonic-gate 19247c478bd9Sstevel@tonic-gate /* 19257c478bd9Sstevel@tonic-gate * prop is NIL-->caller asks for first property 19267c478bd9Sstevel@tonic-gate */ 19277c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 19287c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_prop != 0) { 19297c478bd9Sstevel@tonic-gate return (DI_PATHPROP(pa + DI_PATH(path)->path_prop)); 19307c478bd9Sstevel@tonic-gate } 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate /* 19337c478bd9Sstevel@tonic-gate * no property data-->check if snapshot includes props 19347c478bd9Sstevel@tonic-gate * in order to set the correct errno 19357c478bd9Sstevel@tonic-gate */ 19367c478bd9Sstevel@tonic-gate if (DINFOPROP & (DI_ALL(pa)->command)) 19377c478bd9Sstevel@tonic-gate errno = ENXIO; 19387c478bd9Sstevel@tonic-gate else 19397c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19407c478bd9Sstevel@tonic-gate 19417c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 19427c478bd9Sstevel@tonic-gate } 19437c478bd9Sstevel@tonic-gate 19447c478bd9Sstevel@tonic-gate char * 19457c478bd9Sstevel@tonic-gate di_path_prop_name(di_path_prop_t prop) 19467c478bd9Sstevel@tonic-gate { 19477c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 19487c478bd9Sstevel@tonic-gate pa = (caddr_t)prop - DI_PATHPROP(prop)->self; 19497c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_PATHPROP(prop)->prop_name)); 19507c478bd9Sstevel@tonic-gate } 19517c478bd9Sstevel@tonic-gate 19527c478bd9Sstevel@tonic-gate int 19537c478bd9Sstevel@tonic-gate di_path_prop_len(di_path_prop_t prop) 19547c478bd9Sstevel@tonic-gate { 19557c478bd9Sstevel@tonic-gate return (DI_PATHPROP(prop)->prop_len); 19567c478bd9Sstevel@tonic-gate } 19577c478bd9Sstevel@tonic-gate 19587c478bd9Sstevel@tonic-gate int 19597c478bd9Sstevel@tonic-gate di_path_prop_type(di_path_prop_t prop) 19607c478bd9Sstevel@tonic-gate { 19617c478bd9Sstevel@tonic-gate switch (DI_PATHPROP(prop)->prop_type) { 19627c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT: 19637c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 19647c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT64: 19657c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 19667c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_BYTE: 19677c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 19687c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_STRING: 19697c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 19707c478bd9Sstevel@tonic-gate } 19717c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 19727c478bd9Sstevel@tonic-gate } 19737c478bd9Sstevel@tonic-gate 19747c478bd9Sstevel@tonic-gate int 19757c478bd9Sstevel@tonic-gate di_path_prop_bytes(di_path_prop_t prop, uchar_t **prop_data) 19767c478bd9Sstevel@tonic-gate { 19777c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19787c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19797c478bd9Sstevel@tonic-gate errno = EFAULT; 19807c478bd9Sstevel@tonic-gate *prop_data = NULL; 19817c478bd9Sstevel@tonic-gate return (-1); 19827c478bd9Sstevel@tonic-gate } 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PATHPROP(prop)->self 19857c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 19887c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 19897c478bd9Sstevel@tonic-gate } 19907c478bd9Sstevel@tonic-gate 19917c478bd9Sstevel@tonic-gate int 19927c478bd9Sstevel@tonic-gate di_path_prop_ints(di_path_prop_t prop, int **prop_data) 19937c478bd9Sstevel@tonic-gate { 19947c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 19957c478bd9Sstevel@tonic-gate return (0); 19967c478bd9Sstevel@tonic-gate 19977c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 19987c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 19997c478bd9Sstevel@tonic-gate errno = EFAULT; 20007c478bd9Sstevel@tonic-gate *prop_data = NULL; 20017c478bd9Sstevel@tonic-gate return (-1); 20027c478bd9Sstevel@tonic-gate } 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PATHPROP(prop)->self 20057c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data)); 20067c478bd9Sstevel@tonic-gate 20077c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 20087c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 20097c478bd9Sstevel@tonic-gate } 20107c478bd9Sstevel@tonic-gate 20117c478bd9Sstevel@tonic-gate int 20127c478bd9Sstevel@tonic-gate di_path_prop_int64s(di_path_prop_t prop, int64_t **prop_data) 20137c478bd9Sstevel@tonic-gate { 20147c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 20157c478bd9Sstevel@tonic-gate return (0); 20167c478bd9Sstevel@tonic-gate 20177c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 20187c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 20197c478bd9Sstevel@tonic-gate errno = EFAULT; 20207c478bd9Sstevel@tonic-gate *prop_data = NULL; 20217c478bd9Sstevel@tonic-gate return (-1); 20227c478bd9Sstevel@tonic-gate } 20237c478bd9Sstevel@tonic-gate 20247c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - 20257c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->self + DI_PATHPROP(prop)->prop_data)); 20267c478bd9Sstevel@tonic-gate 20277c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 20287c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 20297c478bd9Sstevel@tonic-gate } 20307c478bd9Sstevel@tonic-gate 20317c478bd9Sstevel@tonic-gate int 20327c478bd9Sstevel@tonic-gate di_path_prop_strings(di_path_prop_t prop, char **prop_data) 20337c478bd9Sstevel@tonic-gate { 20347c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 20357c478bd9Sstevel@tonic-gate return (0); 20367c478bd9Sstevel@tonic-gate 20377c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 20387c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 20397c478bd9Sstevel@tonic-gate errno = EFAULT; 20407c478bd9Sstevel@tonic-gate *prop_data = NULL; 20417c478bd9Sstevel@tonic-gate return (-1); 20427c478bd9Sstevel@tonic-gate } 20437c478bd9Sstevel@tonic-gate 20447c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PATHPROP(prop)->self 20457c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 20467c478bd9Sstevel@tonic-gate 20477c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 20487c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 20497c478bd9Sstevel@tonic-gate } 20507c478bd9Sstevel@tonic-gate 20517c478bd9Sstevel@tonic-gate static di_path_prop_t 20527c478bd9Sstevel@tonic-gate di_path_prop_search(di_path_t path, const char *name, int type) 20537c478bd9Sstevel@tonic-gate { 20547c478bd9Sstevel@tonic-gate di_path_prop_t prop = DI_PROP_NIL; 20557c478bd9Sstevel@tonic-gate 20567c478bd9Sstevel@tonic-gate /* 20577c478bd9Sstevel@tonic-gate * Sanity check arguments 20587c478bd9Sstevel@tonic-gate */ 20597c478bd9Sstevel@tonic-gate if ((path == DI_PATH_NIL) || (name == NULL) || (strlen(name) == 0) || 20607c478bd9Sstevel@tonic-gate !DI_PROP_TYPE_VALID(type)) { 20617c478bd9Sstevel@tonic-gate errno = EINVAL; 20627c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 20637c478bd9Sstevel@tonic-gate } 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate while ((prop = di_path_prop_next(path, prop)) != DI_PROP_NIL) { 20667c478bd9Sstevel@tonic-gate int prop_type = di_path_prop_type(prop); 20677c478bd9Sstevel@tonic-gate 20687c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match path prop name %s, type %d\n", 20697c478bd9Sstevel@tonic-gate di_path_prop_name(prop), prop_type)); 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate if (strcmp(name, di_path_prop_name(prop)) != 0) 20727c478bd9Sstevel@tonic-gate continue; 20737c478bd9Sstevel@tonic-gate 20747c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type)) 20757c478bd9Sstevel@tonic-gate continue; 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate return (prop); 20787c478bd9Sstevel@tonic-gate } 20797c478bd9Sstevel@tonic-gate 20807c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 20817c478bd9Sstevel@tonic-gate } 20827c478bd9Sstevel@tonic-gate 20837c478bd9Sstevel@tonic-gate int 20847c478bd9Sstevel@tonic-gate di_path_prop_lookup_bytes(di_path_t path, const char *prop_name, 20857c478bd9Sstevel@tonic-gate uchar_t **prop_data) 20867c478bd9Sstevel@tonic-gate { 20877c478bd9Sstevel@tonic-gate di_path_prop_t prop; 20887c478bd9Sstevel@tonic-gate 20897c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 20907c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 20917c478bd9Sstevel@tonic-gate return (-1); 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate return (di_path_prop_bytes(prop, prop_data)); 20947c478bd9Sstevel@tonic-gate } 20957c478bd9Sstevel@tonic-gate 20967c478bd9Sstevel@tonic-gate int 20977c478bd9Sstevel@tonic-gate di_path_prop_lookup_ints(di_path_t path, const char *prop_name, 20987c478bd9Sstevel@tonic-gate int **prop_data) 20997c478bd9Sstevel@tonic-gate { 21007c478bd9Sstevel@tonic-gate di_path_prop_t prop; 21017c478bd9Sstevel@tonic-gate 21027c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 21037c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 21047c478bd9Sstevel@tonic-gate return (-1); 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate return (di_path_prop_ints(prop, prop_data)); 21077c478bd9Sstevel@tonic-gate } 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate int 21107c478bd9Sstevel@tonic-gate di_path_prop_lookup_int64s(di_path_t path, const char *prop_name, 21117c478bd9Sstevel@tonic-gate int64_t **prop_data) 21127c478bd9Sstevel@tonic-gate { 21137c478bd9Sstevel@tonic-gate di_path_prop_t prop; 21147c478bd9Sstevel@tonic-gate 21157c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 21167c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 21177c478bd9Sstevel@tonic-gate return (-1); 21187c478bd9Sstevel@tonic-gate 21197c478bd9Sstevel@tonic-gate return (di_path_prop_int64s(prop, prop_data)); 21207c478bd9Sstevel@tonic-gate } 21217c478bd9Sstevel@tonic-gate 21227c478bd9Sstevel@tonic-gate int di_path_prop_lookup_strings(di_path_t path, const char *prop_name, 21237c478bd9Sstevel@tonic-gate char **prop_data) 21247c478bd9Sstevel@tonic-gate { 21257c478bd9Sstevel@tonic-gate di_path_prop_t prop; 21267c478bd9Sstevel@tonic-gate 21277c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 21287c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 21297c478bd9Sstevel@tonic-gate return (-1); 21307c478bd9Sstevel@tonic-gate 21317c478bd9Sstevel@tonic-gate return (di_path_prop_strings(prop, prop_data)); 21327c478bd9Sstevel@tonic-gate } 21337c478bd9Sstevel@tonic-gate 21348c4f8890Srs /* 21358c4f8890Srs * Consolidation private interfaces for traversing vhci nodes. 21368c4f8890Srs */ 21378c4f8890Srs di_node_t 21388c4f8890Srs di_vhci_first_node(di_node_t root) 21398c4f8890Srs { 21408c4f8890Srs struct di_all *dap; 21418c4f8890Srs caddr_t pa; /* starting address of map */ 21428c4f8890Srs 21438c4f8890Srs DPRINTF((DI_INFO, "Get first vhci node\n")); 21448c4f8890Srs 21458c4f8890Srs if (root == DI_NODE_NIL) { 21468c4f8890Srs errno = EINVAL; 21478c4f8890Srs return (DI_NODE_NIL); 21488c4f8890Srs } 21498c4f8890Srs 21508c4f8890Srs pa = (caddr_t)root - DI_NODE(root)->self; 21518c4f8890Srs dap = DI_ALL(pa); 21528c4f8890Srs 21538c4f8890Srs if (dap->top_vhci_devinfo == NULL) { 21548c4f8890Srs errno = ENXIO; 21558c4f8890Srs return (DI_NODE_NIL); 21568c4f8890Srs } 21578c4f8890Srs 21588c4f8890Srs return (DI_NODE(pa + dap->top_vhci_devinfo)); 21598c4f8890Srs } 21608c4f8890Srs 21618c4f8890Srs di_node_t 21628c4f8890Srs di_vhci_next_node(di_node_t node) 21638c4f8890Srs { 21648c4f8890Srs caddr_t pa; /* starting address of map */ 21658c4f8890Srs 21668c4f8890Srs if (node == DI_NODE_NIL) { 21678c4f8890Srs errno = EINVAL; 21688c4f8890Srs return (DI_NODE_NIL); 21698c4f8890Srs } 21708c4f8890Srs 21718c4f8890Srs DPRINTF((DI_TRACE, "next vhci node on the snap shot:" 21728c4f8890Srs " current=%s\n", di_node_name(node))); 21738c4f8890Srs 21748c4f8890Srs if (DI_NODE(node)->next_vhci == NULL) { 21758c4f8890Srs errno = ENXIO; 21768c4f8890Srs return (DI_NODE_NIL); 21778c4f8890Srs } 21788c4f8890Srs 21798c4f8890Srs pa = (caddr_t)node - DI_NODE(node)->self; 21808c4f8890Srs 21818c4f8890Srs return (DI_NODE(pa + DI_NODE(node)->next_vhci)); 21828c4f8890Srs } 21838c4f8890Srs 21848c4f8890Srs /* 21858c4f8890Srs * Consolidation private interfaces for traversing phci nodes. 21868c4f8890Srs */ 21878c4f8890Srs di_node_t 21888c4f8890Srs di_phci_first_node(di_node_t vhci_node) 21898c4f8890Srs { 21908c4f8890Srs caddr_t pa; /* starting address of map */ 21918c4f8890Srs 21928c4f8890Srs DPRINTF((DI_INFO, "Get first phci node:\n" 21938c4f8890Srs " current=%s", di_node_name(vhci_node))); 21948c4f8890Srs 21958c4f8890Srs if (vhci_node == DI_NODE_NIL) { 21968c4f8890Srs errno = EINVAL; 21978c4f8890Srs return (DI_NODE_NIL); 21988c4f8890Srs } 21998c4f8890Srs 22008c4f8890Srs pa = (caddr_t)vhci_node - DI_NODE(vhci_node)->self; 22018c4f8890Srs 22028c4f8890Srs if (DI_NODE(vhci_node)->top_phci == NULL) { 22038c4f8890Srs errno = ENXIO; 22048c4f8890Srs return (DI_NODE_NIL); 22058c4f8890Srs } 22068c4f8890Srs 22078c4f8890Srs return (DI_NODE(pa + DI_NODE(vhci_node)->top_phci)); 22088c4f8890Srs } 22098c4f8890Srs 22108c4f8890Srs di_node_t 22118c4f8890Srs di_phci_next_node(di_node_t node) 22128c4f8890Srs { 22138c4f8890Srs caddr_t pa; /* starting address of map */ 22148c4f8890Srs 22158c4f8890Srs if (node == DI_NODE_NIL) { 22168c4f8890Srs errno = EINVAL; 22178c4f8890Srs return (DI_NODE_NIL); 22188c4f8890Srs } 22198c4f8890Srs 22208c4f8890Srs DPRINTF((DI_TRACE, "next phci node on the snap shot:" 22218c4f8890Srs " current=%s\n", di_node_name(node))); 22228c4f8890Srs 22238c4f8890Srs if (DI_NODE(node)->next_phci == NULL) { 22248c4f8890Srs errno = ENXIO; 22258c4f8890Srs return (DI_NODE_NIL); 22268c4f8890Srs } 22278c4f8890Srs 22288c4f8890Srs pa = (caddr_t)node - DI_NODE(node)->self; 22298c4f8890Srs 22308c4f8890Srs return (DI_NODE(pa + DI_NODE(node)->next_phci)); 22318c4f8890Srs } 22327c478bd9Sstevel@tonic-gate 22337c478bd9Sstevel@tonic-gate /* 22347c478bd9Sstevel@tonic-gate * Consolidation private interfaces for private data 22357c478bd9Sstevel@tonic-gate */ 22367c478bd9Sstevel@tonic-gate void * 22377c478bd9Sstevel@tonic-gate di_parent_private_data(di_node_t node) 22387c478bd9Sstevel@tonic-gate { 22397c478bd9Sstevel@tonic-gate caddr_t pa; 22407c478bd9Sstevel@tonic-gate 22417c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == 0) { 22427c478bd9Sstevel@tonic-gate errno = ENXIO; 22437c478bd9Sstevel@tonic-gate return (NULL); 22447c478bd9Sstevel@tonic-gate } 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == (di_off_t)-1) { 22477c478bd9Sstevel@tonic-gate /* 22487c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 22497c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 22507c478bd9Sstevel@tonic-gate */ 22517c478bd9Sstevel@tonic-gate errno = EFAULT; 22527c478bd9Sstevel@tonic-gate return (NULL); 22537c478bd9Sstevel@tonic-gate } 22547c478bd9Sstevel@tonic-gate 22557c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 22567c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data) 22577c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->parent_data); 22587c478bd9Sstevel@tonic-gate 22597c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 22607c478bd9Sstevel@tonic-gate errno = ENXIO; 22617c478bd9Sstevel@tonic-gate else 22627c478bd9Sstevel@tonic-gate errno = ENOTSUP; 22637c478bd9Sstevel@tonic-gate 22647c478bd9Sstevel@tonic-gate return (NULL); 22657c478bd9Sstevel@tonic-gate } 22667c478bd9Sstevel@tonic-gate 22677c478bd9Sstevel@tonic-gate void * 22687c478bd9Sstevel@tonic-gate di_driver_private_data(di_node_t node) 22697c478bd9Sstevel@tonic-gate { 22707c478bd9Sstevel@tonic-gate caddr_t pa; 22717c478bd9Sstevel@tonic-gate 22727c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == 0) { 22737c478bd9Sstevel@tonic-gate errno = ENXIO; 22747c478bd9Sstevel@tonic-gate return (NULL); 22757c478bd9Sstevel@tonic-gate } 22767c478bd9Sstevel@tonic-gate 22777c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == (di_off_t)-1) { 22787c478bd9Sstevel@tonic-gate /* 22797c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 22807c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 22817c478bd9Sstevel@tonic-gate */ 22827c478bd9Sstevel@tonic-gate errno = EFAULT; 22837c478bd9Sstevel@tonic-gate return (NULL); 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate 22867c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 22877c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data) 22887c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->driver_data); 22897c478bd9Sstevel@tonic-gate 22907c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 22917c478bd9Sstevel@tonic-gate errno = ENXIO; 22927c478bd9Sstevel@tonic-gate else 22937c478bd9Sstevel@tonic-gate errno = ENOTSUP; 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate return (NULL); 22967c478bd9Sstevel@tonic-gate } 22977c478bd9Sstevel@tonic-gate 22987c478bd9Sstevel@tonic-gate /* 22997c478bd9Sstevel@tonic-gate * PROM property access 23007c478bd9Sstevel@tonic-gate */ 23017c478bd9Sstevel@tonic-gate 23027c478bd9Sstevel@tonic-gate /* 23037c478bd9Sstevel@tonic-gate * openprom driver stuff: 23047c478bd9Sstevel@tonic-gate * The maximum property length depends on the buffer size. We use 23057c478bd9Sstevel@tonic-gate * OPROMMAXPARAM defined in <sys/openpromio.h> 23067c478bd9Sstevel@tonic-gate * 23077c478bd9Sstevel@tonic-gate * MAXNAMESZ is max property name. obpdefs.h defines it as 32 based on 1275 23087c478bd9Sstevel@tonic-gate * MAXVALSZ is maximum value size, which is whatever space left in buf 23097c478bd9Sstevel@tonic-gate */ 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate #define OBP_MAXBUF OPROMMAXPARAM - sizeof (int) 23127c478bd9Sstevel@tonic-gate #define OBP_MAXPROPLEN OBP_MAXBUF - OBP_MAXPROPNAME; 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate struct di_prom_prop { 23157c478bd9Sstevel@tonic-gate char *name; 23167c478bd9Sstevel@tonic-gate int len; 23177c478bd9Sstevel@tonic-gate uchar_t *data; 23187c478bd9Sstevel@tonic-gate struct di_prom_prop *next; /* form a linked list */ 23197c478bd9Sstevel@tonic-gate }; 23207c478bd9Sstevel@tonic-gate 23217c478bd9Sstevel@tonic-gate struct di_prom_handle { /* handle to prom */ 23227c478bd9Sstevel@tonic-gate mutex_t lock; /* synchronize access to openprom fd */ 23237c478bd9Sstevel@tonic-gate int fd; /* /dev/openprom file descriptor */ 23247c478bd9Sstevel@tonic-gate struct di_prom_prop *list; /* linked list of prop */ 23257c478bd9Sstevel@tonic-gate union { 23267c478bd9Sstevel@tonic-gate char buf[OPROMMAXPARAM]; 23277c478bd9Sstevel@tonic-gate struct openpromio opp; 23287c478bd9Sstevel@tonic-gate } oppbuf; 23297c478bd9Sstevel@tonic-gate }; 23307c478bd9Sstevel@tonic-gate 23317c478bd9Sstevel@tonic-gate di_prom_handle_t 23327c478bd9Sstevel@tonic-gate di_prom_init() 23337c478bd9Sstevel@tonic-gate { 23347c478bd9Sstevel@tonic-gate struct di_prom_handle *p; 23357c478bd9Sstevel@tonic-gate 23367c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (struct di_prom_handle))) == NULL) 23377c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 23387c478bd9Sstevel@tonic-gate 23397c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_init: get prom handle 0x%p\n", p)); 23407c478bd9Sstevel@tonic-gate 23417c478bd9Sstevel@tonic-gate (void) mutex_init(&p->lock, USYNC_THREAD, NULL); 23427c478bd9Sstevel@tonic-gate if ((p->fd = open("/dev/openprom", O_RDONLY)) < 0) { 23437c478bd9Sstevel@tonic-gate free(p); 23447c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 23457c478bd9Sstevel@tonic-gate } 23467c478bd9Sstevel@tonic-gate p->list = NULL; 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate return ((di_prom_handle_t)p); 23497c478bd9Sstevel@tonic-gate } 23507c478bd9Sstevel@tonic-gate 23517c478bd9Sstevel@tonic-gate static void 23527c478bd9Sstevel@tonic-gate di_prom_prop_free(struct di_prom_prop *list) 23537c478bd9Sstevel@tonic-gate { 23547c478bd9Sstevel@tonic-gate struct di_prom_prop *tmp = list; 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate while (tmp != NULL) { 23577c478bd9Sstevel@tonic-gate list = tmp->next; 23587c478bd9Sstevel@tonic-gate if (tmp->name != NULL) { 23597c478bd9Sstevel@tonic-gate free(tmp->name); 23607c478bd9Sstevel@tonic-gate } 23617c478bd9Sstevel@tonic-gate if (tmp->data != NULL) { 23627c478bd9Sstevel@tonic-gate free(tmp->data); 23637c478bd9Sstevel@tonic-gate } 23647c478bd9Sstevel@tonic-gate free(tmp); 23657c478bd9Sstevel@tonic-gate tmp = list; 23667c478bd9Sstevel@tonic-gate } 23677c478bd9Sstevel@tonic-gate } 23687c478bd9Sstevel@tonic-gate 23697c478bd9Sstevel@tonic-gate void 23707c478bd9Sstevel@tonic-gate di_prom_fini(di_prom_handle_t ph) 23717c478bd9Sstevel@tonic-gate { 23727c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 23737c478bd9Sstevel@tonic-gate 23747c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_fini: free prom handle 0x%p\n", p)); 23757c478bd9Sstevel@tonic-gate 23767c478bd9Sstevel@tonic-gate (void) close(p->fd); 23777c478bd9Sstevel@tonic-gate (void) mutex_destroy(&p->lock); 23787c478bd9Sstevel@tonic-gate di_prom_prop_free(p->list); 23797c478bd9Sstevel@tonic-gate 23807c478bd9Sstevel@tonic-gate free(p); 23817c478bd9Sstevel@tonic-gate } 23827c478bd9Sstevel@tonic-gate 23837c478bd9Sstevel@tonic-gate /* 23847c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 23857c478bd9Sstevel@tonic-gate * XXX: ph->lock must be held for the duration of call. 23867c478bd9Sstevel@tonic-gate */ 23877c478bd9Sstevel@tonic-gate static di_prom_prop_t 23887c478bd9Sstevel@tonic-gate di_prom_prop_found(di_prom_handle_t ph, int nodeid, 23897c478bd9Sstevel@tonic-gate di_prom_prop_t prom_prop) 23907c478bd9Sstevel@tonic-gate { 23917c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 23927c478bd9Sstevel@tonic-gate struct openpromio *opp = &p->oppbuf.opp; 23937c478bd9Sstevel@tonic-gate int *ip = (int *)((void *)opp->oprom_array); 23947c478bd9Sstevel@tonic-gate struct di_prom_prop *prop = (struct di_prom_prop *)prom_prop; 23957c478bd9Sstevel@tonic-gate 23967c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Looking for nodeid 0x%x\n", nodeid)); 23977c478bd9Sstevel@tonic-gate 23987c478bd9Sstevel@tonic-gate /* 23997c478bd9Sstevel@tonic-gate * Set "current" nodeid in the openprom driver 24007c478bd9Sstevel@tonic-gate */ 24017c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 24027c478bd9Sstevel@tonic-gate *ip = nodeid; 24037c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 24047c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", nodeid)); 24057c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24067c478bd9Sstevel@tonic-gate } 24077c478bd9Sstevel@tonic-gate 24087c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Found nodeid 0x%x\n", nodeid)); 24097c478bd9Sstevel@tonic-gate 24107c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 24117c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPNAME; 24127c478bd9Sstevel@tonic-gate if (prom_prop != DI_PROM_PROP_NIL) 24137c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prop->name); 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMNXTPROP, opp) < 0) || (opp->oprom_size == 0)) 24167c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24177c478bd9Sstevel@tonic-gate 24187c478bd9Sstevel@tonic-gate /* 24197c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 24207c478bd9Sstevel@tonic-gate * (reuse variable prop) 24217c478bd9Sstevel@tonic-gate */ 24227c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) 24237c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24247c478bd9Sstevel@tonic-gate 24257c478bd9Sstevel@tonic-gate /* 24267c478bd9Sstevel@tonic-gate * Get a copy of property name 24277c478bd9Sstevel@tonic-gate */ 24287c478bd9Sstevel@tonic-gate if ((prop->name = strdup(opp->oprom_array)) == NULL) { 24297c478bd9Sstevel@tonic-gate free(prop); 24307c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24317c478bd9Sstevel@tonic-gate } 24327c478bd9Sstevel@tonic-gate 24337c478bd9Sstevel@tonic-gate /* 24347c478bd9Sstevel@tonic-gate * get property value and length 24357c478bd9Sstevel@tonic-gate */ 24367c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 24377c478bd9Sstevel@tonic-gate 24387c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 24397c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 24407c478bd9Sstevel@tonic-gate free(prop->name); 24417c478bd9Sstevel@tonic-gate free(prop); 24427c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24437c478bd9Sstevel@tonic-gate } 24447c478bd9Sstevel@tonic-gate 24457c478bd9Sstevel@tonic-gate /* 24467c478bd9Sstevel@tonic-gate * make a copy of the property value 24477c478bd9Sstevel@tonic-gate */ 24487c478bd9Sstevel@tonic-gate prop->len = opp->oprom_size; 24497c478bd9Sstevel@tonic-gate 24507c478bd9Sstevel@tonic-gate if (prop->len == 0) 24517c478bd9Sstevel@tonic-gate prop->data = NULL; 24527c478bd9Sstevel@tonic-gate else if ((prop->data = malloc(prop->len)) == NULL) { 24537c478bd9Sstevel@tonic-gate free(prop->name); 24547c478bd9Sstevel@tonic-gate free(prop); 24557c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24567c478bd9Sstevel@tonic-gate } 24577c478bd9Sstevel@tonic-gate 24587c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* 24617c478bd9Sstevel@tonic-gate * Prepend prop to list in prom handle 24627c478bd9Sstevel@tonic-gate */ 24637c478bd9Sstevel@tonic-gate prop->next = p->list; 24647c478bd9Sstevel@tonic-gate p->list = prop; 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate return ((di_prom_prop_t)prop); 24677c478bd9Sstevel@tonic-gate } 24687c478bd9Sstevel@tonic-gate 24697c478bd9Sstevel@tonic-gate di_prom_prop_t 24707c478bd9Sstevel@tonic-gate di_prom_prop_next(di_prom_handle_t ph, di_node_t node, di_prom_prop_t prom_prop) 24717c478bd9Sstevel@tonic-gate { 24727c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 24737c478bd9Sstevel@tonic-gate 24747c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Search next prop for node 0x%p with ph 0x%p\n", 24757c478bd9Sstevel@tonic-gate node, p)); 24767c478bd9Sstevel@tonic-gate 24777c478bd9Sstevel@tonic-gate /* 24787c478bd9Sstevel@tonic-gate * paranoid check 24797c478bd9Sstevel@tonic-gate */ 24807c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 24817c478bd9Sstevel@tonic-gate errno = EINVAL; 24827c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24837c478bd9Sstevel@tonic-gate } 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 24867c478bd9Sstevel@tonic-gate errno = ENXIO; 24877c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 24887c478bd9Sstevel@tonic-gate } 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate /* 24917c478bd9Sstevel@tonic-gate * synchronize access to prom file descriptor 24927c478bd9Sstevel@tonic-gate */ 24937c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 24947c478bd9Sstevel@tonic-gate 24957c478bd9Sstevel@tonic-gate /* 24967c478bd9Sstevel@tonic-gate * look for next property 24977c478bd9Sstevel@tonic-gate */ 24987c478bd9Sstevel@tonic-gate prom_prop = di_prom_prop_found(ph, DI_NODE(node)->nodeid, prom_prop); 24997c478bd9Sstevel@tonic-gate 25007c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25017c478bd9Sstevel@tonic-gate 25027c478bd9Sstevel@tonic-gate return (prom_prop); 25037c478bd9Sstevel@tonic-gate } 25047c478bd9Sstevel@tonic-gate 25057c478bd9Sstevel@tonic-gate char * 25067c478bd9Sstevel@tonic-gate di_prom_prop_name(di_prom_prop_t prom_prop) 25077c478bd9Sstevel@tonic-gate { 25087c478bd9Sstevel@tonic-gate /* 25097c478bd9Sstevel@tonic-gate * paranoid check 25107c478bd9Sstevel@tonic-gate */ 25117c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 25127c478bd9Sstevel@tonic-gate errno = EINVAL; 25137c478bd9Sstevel@tonic-gate return (NULL); 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->name); 25177c478bd9Sstevel@tonic-gate } 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate int 25207c478bd9Sstevel@tonic-gate di_prom_prop_data(di_prom_prop_t prom_prop, uchar_t **prom_prop_data) 25217c478bd9Sstevel@tonic-gate { 25227c478bd9Sstevel@tonic-gate /* 25237c478bd9Sstevel@tonic-gate * paranoid check 25247c478bd9Sstevel@tonic-gate */ 25257c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 25267c478bd9Sstevel@tonic-gate errno = EINVAL; 25277c478bd9Sstevel@tonic-gate return (NULL); 25287c478bd9Sstevel@tonic-gate } 25297c478bd9Sstevel@tonic-gate 25307c478bd9Sstevel@tonic-gate *prom_prop_data = ((struct di_prom_prop *)prom_prop)->data; 25317c478bd9Sstevel@tonic-gate 25327c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->len); 25337c478bd9Sstevel@tonic-gate } 25347c478bd9Sstevel@tonic-gate 25357c478bd9Sstevel@tonic-gate /* 25367c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 25377c478bd9Sstevel@tonic-gate * Returns length if found, -1 if prop doesn't exist. 25387c478bd9Sstevel@tonic-gate */ 25397c478bd9Sstevel@tonic-gate static struct di_prom_prop * 25407c478bd9Sstevel@tonic-gate di_prom_prop_lookup_common(di_prom_handle_t ph, di_node_t node, 25417c478bd9Sstevel@tonic-gate const char *prom_prop_name) 25427c478bd9Sstevel@tonic-gate { 25437c478bd9Sstevel@tonic-gate struct openpromio *opp; 25447c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 25457c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 25467c478bd9Sstevel@tonic-gate 25477c478bd9Sstevel@tonic-gate /* 25487c478bd9Sstevel@tonic-gate * paranoid check 25497c478bd9Sstevel@tonic-gate */ 25507c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 25517c478bd9Sstevel@tonic-gate errno = EINVAL; 25527c478bd9Sstevel@tonic-gate return (NULL); 25537c478bd9Sstevel@tonic-gate } 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 25567c478bd9Sstevel@tonic-gate errno = ENXIO; 25577c478bd9Sstevel@tonic-gate return (NULL); 25587c478bd9Sstevel@tonic-gate } 25597c478bd9Sstevel@tonic-gate 25607c478bd9Sstevel@tonic-gate opp = &p->oppbuf.opp; 25617c478bd9Sstevel@tonic-gate 25627c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 25637c478bd9Sstevel@tonic-gate 25647c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 25657c478bd9Sstevel@tonic-gate opp->oprom_node = DI_NODE(node)->nodeid; 25667c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 25677c478bd9Sstevel@tonic-gate errno = ENXIO; 25687c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", 25697c478bd9Sstevel@tonic-gate DI_NODE(node)->nodeid)); 25707c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25717c478bd9Sstevel@tonic-gate return (NULL); 25727c478bd9Sstevel@tonic-gate } 25737c478bd9Sstevel@tonic-gate 25747c478bd9Sstevel@tonic-gate /* 25757c478bd9Sstevel@tonic-gate * get property length 25767c478bd9Sstevel@tonic-gate */ 25777c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 25787c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 25797c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 25807c478bd9Sstevel@tonic-gate 25817c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROPLEN, opp) < 0) || 25827c478bd9Sstevel@tonic-gate (opp->oprom_len == -1)) { 25837c478bd9Sstevel@tonic-gate /* no such property */ 25847c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25857c478bd9Sstevel@tonic-gate return (NULL); 25867c478bd9Sstevel@tonic-gate } 25877c478bd9Sstevel@tonic-gate 25887c478bd9Sstevel@tonic-gate /* 25897c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 25907c478bd9Sstevel@tonic-gate */ 25917c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) { 25927c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 25937c478bd9Sstevel@tonic-gate return (NULL); 25947c478bd9Sstevel@tonic-gate } 25957c478bd9Sstevel@tonic-gate prop->name = NULL; /* we don't need the name */ 25967c478bd9Sstevel@tonic-gate prop->len = opp->oprom_len; 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 25997c478bd9Sstevel@tonic-gate prop->data = NULL; 26007c478bd9Sstevel@tonic-gate prop->next = p->list; 26017c478bd9Sstevel@tonic-gate p->list = prop; 26027c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 26037c478bd9Sstevel@tonic-gate return (prop); 26047c478bd9Sstevel@tonic-gate } 26057c478bd9Sstevel@tonic-gate 26067c478bd9Sstevel@tonic-gate /* 26077c478bd9Sstevel@tonic-gate * retrieve the property value 26087c478bd9Sstevel@tonic-gate */ 26097c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 26107c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 26117c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 26147c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 26157c478bd9Sstevel@tonic-gate /* error retrieving property value */ 26167c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 26177c478bd9Sstevel@tonic-gate free(prop); 26187c478bd9Sstevel@tonic-gate return (NULL); 26197c478bd9Sstevel@tonic-gate } 26207c478bd9Sstevel@tonic-gate 26217c478bd9Sstevel@tonic-gate /* 26227c478bd9Sstevel@tonic-gate * make a copy of the property value, stick in ph->list 26237c478bd9Sstevel@tonic-gate */ 26247c478bd9Sstevel@tonic-gate if ((prop->data = malloc(prop->len)) == NULL) { 26257c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 26267c478bd9Sstevel@tonic-gate free(prop); 26277c478bd9Sstevel@tonic-gate return (NULL); 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate 26307c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 26317c478bd9Sstevel@tonic-gate 26327c478bd9Sstevel@tonic-gate prop->next = p->list; 26337c478bd9Sstevel@tonic-gate p->list = prop; 26347c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate return (prop); 26377c478bd9Sstevel@tonic-gate } 26387c478bd9Sstevel@tonic-gate 26397c478bd9Sstevel@tonic-gate int 26407c478bd9Sstevel@tonic-gate di_prom_prop_lookup_ints(di_prom_handle_t ph, di_node_t node, 26417c478bd9Sstevel@tonic-gate const char *prom_prop_name, int **prom_prop_data) 26427c478bd9Sstevel@tonic-gate { 26437c478bd9Sstevel@tonic-gate int len; 26447c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 26457c478bd9Sstevel@tonic-gate 26467c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 26477c478bd9Sstevel@tonic-gate 26487c478bd9Sstevel@tonic-gate if (prop == NULL) { 26497c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26507c478bd9Sstevel@tonic-gate return (-1); 26517c478bd9Sstevel@tonic-gate } 26527c478bd9Sstevel@tonic-gate 26537c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 26547c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26557c478bd9Sstevel@tonic-gate return (0); 26567c478bd9Sstevel@tonic-gate } 26577c478bd9Sstevel@tonic-gate 26587c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 26597c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT, 1); 26607c478bd9Sstevel@tonic-gate *prom_prop_data = (int *)((void *)prop->data); 26617c478bd9Sstevel@tonic-gate 26627c478bd9Sstevel@tonic-gate return (len); 26637c478bd9Sstevel@tonic-gate } 26647c478bd9Sstevel@tonic-gate 26657c478bd9Sstevel@tonic-gate int 26667c478bd9Sstevel@tonic-gate di_prom_prop_lookup_strings(di_prom_handle_t ph, di_node_t node, 26677c478bd9Sstevel@tonic-gate const char *prom_prop_name, char **prom_prop_data) 26687c478bd9Sstevel@tonic-gate { 26697c478bd9Sstevel@tonic-gate int len; 26707c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 26717c478bd9Sstevel@tonic-gate 26727c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 26737c478bd9Sstevel@tonic-gate 26747c478bd9Sstevel@tonic-gate if (prop == NULL) { 26757c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26767c478bd9Sstevel@tonic-gate return (-1); 26777c478bd9Sstevel@tonic-gate } 26787c478bd9Sstevel@tonic-gate 26797c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 26807c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 26817c478bd9Sstevel@tonic-gate return (0); 26827c478bd9Sstevel@tonic-gate } 26837c478bd9Sstevel@tonic-gate 26847c478bd9Sstevel@tonic-gate /* 26857c478bd9Sstevel@tonic-gate * Fix an openprom bug (OBP string not NULL terminated). 26867c478bd9Sstevel@tonic-gate * XXX This should really be fixed in promif. 26877c478bd9Sstevel@tonic-gate */ 26887c478bd9Sstevel@tonic-gate if (((char *)prop->data)[prop->len - 1] != '\0') { 26897c478bd9Sstevel@tonic-gate uchar_t *tmp; 26907c478bd9Sstevel@tonic-gate prop->len++; 26917c478bd9Sstevel@tonic-gate if ((tmp = realloc(prop->data, prop->len)) == NULL) 26927c478bd9Sstevel@tonic-gate return (-1); 26937c478bd9Sstevel@tonic-gate 26947c478bd9Sstevel@tonic-gate prop->data = tmp; 26957c478bd9Sstevel@tonic-gate ((char *)prop->data)[prop->len - 1] = '\0'; 26967c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "OBP string not NULL terminated: " 26977c478bd9Sstevel@tonic-gate "node=%s, prop=%s, val=%s\n", 26987c478bd9Sstevel@tonic-gate di_node_name(node), prom_prop_name, prop->data)); 26997c478bd9Sstevel@tonic-gate } 27007c478bd9Sstevel@tonic-gate 27017c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 27027c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING, 1); 27037c478bd9Sstevel@tonic-gate *prom_prop_data = (char *)prop->data; 27047c478bd9Sstevel@tonic-gate 27057c478bd9Sstevel@tonic-gate return (len); 27067c478bd9Sstevel@tonic-gate } 27077c478bd9Sstevel@tonic-gate 27087c478bd9Sstevel@tonic-gate int 27097c478bd9Sstevel@tonic-gate di_prom_prop_lookup_bytes(di_prom_handle_t ph, di_node_t node, 27107c478bd9Sstevel@tonic-gate const char *prom_prop_name, uchar_t **prom_prop_data) 27117c478bd9Sstevel@tonic-gate { 27127c478bd9Sstevel@tonic-gate int len; 27137c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 27147c478bd9Sstevel@tonic-gate 27157c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 27167c478bd9Sstevel@tonic-gate 27177c478bd9Sstevel@tonic-gate if (prop == NULL) { 27187c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 27197c478bd9Sstevel@tonic-gate return (-1); 27207c478bd9Sstevel@tonic-gate } 27217c478bd9Sstevel@tonic-gate 27227c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 27237c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 27247c478bd9Sstevel@tonic-gate return (0); 27257c478bd9Sstevel@tonic-gate } 27267c478bd9Sstevel@tonic-gate 27277c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 27287c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE, 1); 27297c478bd9Sstevel@tonic-gate *prom_prop_data = prop->data; 27307c478bd9Sstevel@tonic-gate 27317c478bd9Sstevel@tonic-gate return (len); 27327c478bd9Sstevel@tonic-gate } 27337c478bd9Sstevel@tonic-gate 27343ebafc43Sjveta /* 27353ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 27363ebafc43Sjveta * and the number of entries (count) as the function return value; 27373ebafc43Sjveta * use di_slot_names_free() to free the array 27383ebafc43Sjveta */ 27393ebafc43Sjveta int 27403ebafc43Sjveta di_prop_slot_names(di_prop_t prop, di_slot_name_t **prop_data) 27413ebafc43Sjveta { 27423ebafc43Sjveta int rawlen, count; 27433ebafc43Sjveta uchar_t *rawdata; 27443ebafc43Sjveta char *nm = di_prop_name(prop); 27453ebafc43Sjveta 27463ebafc43Sjveta if (nm == NULL || strcmp(DI_PROP_SLOT_NAMES, nm) != 0) 27473ebafc43Sjveta goto ERROUT; 27483ebafc43Sjveta 27493ebafc43Sjveta rawlen = di_prop_rawdata(prop, &rawdata); 27503ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 27513ebafc43Sjveta goto ERROUT; 27523ebafc43Sjveta 27533ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 27543ebafc43Sjveta if (count < 0 || *prop_data == NULL) 27553ebafc43Sjveta goto ERROUT; 27563ebafc43Sjveta 27573ebafc43Sjveta return (count); 27583ebafc43Sjveta /*NOTREACHED*/ 27593ebafc43Sjveta ERROUT: 27603ebafc43Sjveta errno = EFAULT; 27613ebafc43Sjveta *prop_data = NULL; 27623ebafc43Sjveta return (-1); 27633ebafc43Sjveta } 27643ebafc43Sjveta 27653ebafc43Sjveta int 27663ebafc43Sjveta di_prop_lookup_slot_names(dev_t dev, di_node_t node, 27673ebafc43Sjveta di_slot_name_t **prop_data) 27683ebafc43Sjveta { 27693ebafc43Sjveta di_prop_t prop; 27703ebafc43Sjveta 27713ebafc43Sjveta /* 27723ebafc43Sjveta * change this if and when DI_PROP_TYPE_COMPOSITE is implemented 27733ebafc43Sjveta * and slot-names is properly flagged as such 27743ebafc43Sjveta */ 27753ebafc43Sjveta if ((prop = di_prop_find(dev, node, DI_PROP_SLOT_NAMES)) == 27763ebafc43Sjveta DI_PROP_NIL) { 27773ebafc43Sjveta *prop_data = NULL; 27783ebafc43Sjveta return (-1); 27793ebafc43Sjveta } 27803ebafc43Sjveta 27813ebafc43Sjveta return (di_prop_slot_names(prop, (void *)prop_data)); 27823ebafc43Sjveta } 27833ebafc43Sjveta 27843ebafc43Sjveta /* 27853ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 27863ebafc43Sjveta * and the number of entries (count) as the function return value; 27873ebafc43Sjveta * use di_slot_names_free() to free the array 27883ebafc43Sjveta */ 27893ebafc43Sjveta int 27903ebafc43Sjveta di_prom_prop_slot_names(di_prom_prop_t prom_prop, di_slot_name_t **prop_data) 27913ebafc43Sjveta { 27923ebafc43Sjveta int rawlen, count; 27933ebafc43Sjveta uchar_t *rawdata; 27943ebafc43Sjveta 27953ebafc43Sjveta rawlen = di_prom_prop_data(prom_prop, &rawdata); 27963ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 27973ebafc43Sjveta goto ERROUT; 27983ebafc43Sjveta 27993ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 28003ebafc43Sjveta if (count < 0 || *prop_data == NULL) 28013ebafc43Sjveta goto ERROUT; 28023ebafc43Sjveta 28033ebafc43Sjveta return (count); 28043ebafc43Sjveta /*NOTREACHED*/ 28053ebafc43Sjveta ERROUT: 28063ebafc43Sjveta errno = EFAULT; 28073ebafc43Sjveta *prop_data = NULL; 28083ebafc43Sjveta return (-1); 28093ebafc43Sjveta } 28103ebafc43Sjveta 28113ebafc43Sjveta int 28123ebafc43Sjveta di_prom_prop_lookup_slot_names(di_prom_handle_t ph, di_node_t node, 28133ebafc43Sjveta di_slot_name_t **prop_data) 28143ebafc43Sjveta { 28153ebafc43Sjveta struct di_prom_prop *prom_prop; 28163ebafc43Sjveta 28173ebafc43Sjveta prom_prop = di_prom_prop_lookup_common(ph, node, DI_PROP_SLOT_NAMES); 28183ebafc43Sjveta if (prom_prop == NULL) { 28193ebafc43Sjveta *prop_data = NULL; 28203ebafc43Sjveta return (-1); 28213ebafc43Sjveta } 28223ebafc43Sjveta 28233ebafc43Sjveta return (di_prom_prop_slot_names(prom_prop, prop_data)); 28243ebafc43Sjveta } 28253ebafc43Sjveta 28267c478bd9Sstevel@tonic-gate di_lnode_t 28277c478bd9Sstevel@tonic-gate di_link_to_lnode(di_link_t link, uint_t endpoint) 28287c478bd9Sstevel@tonic-gate { 28297c478bd9Sstevel@tonic-gate struct di_all *di_all; 28307c478bd9Sstevel@tonic-gate 28317c478bd9Sstevel@tonic-gate if ((link == DI_LINK_NIL) || 28327c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 28337c478bd9Sstevel@tonic-gate errno = EINVAL; 28347c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 28357c478bd9Sstevel@tonic-gate } 28367c478bd9Sstevel@tonic-gate 28377c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)link - DI_LINK(link)->self); 28387c478bd9Sstevel@tonic-gate 28397c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 28407c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->src_lnode)); 28417c478bd9Sstevel@tonic-gate } else { 28427c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->tgt_lnode)); 28437c478bd9Sstevel@tonic-gate } 28447c478bd9Sstevel@tonic-gate /* NOTREACHED */ 28457c478bd9Sstevel@tonic-gate } 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate char * 28487c478bd9Sstevel@tonic-gate di_lnode_name(di_lnode_t lnode) 28497c478bd9Sstevel@tonic-gate { 28507c478bd9Sstevel@tonic-gate return (di_driver_name(di_lnode_devinfo(lnode))); 28517c478bd9Sstevel@tonic-gate } 28527c478bd9Sstevel@tonic-gate 28537c478bd9Sstevel@tonic-gate di_node_t 28547c478bd9Sstevel@tonic-gate di_lnode_devinfo(di_lnode_t lnode) 28557c478bd9Sstevel@tonic-gate { 28567c478bd9Sstevel@tonic-gate struct di_all *di_all; 28577c478bd9Sstevel@tonic-gate 28587c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 28597c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)di_all + DI_LNODE(lnode)->node)); 28607c478bd9Sstevel@tonic-gate } 28617c478bd9Sstevel@tonic-gate 28627c478bd9Sstevel@tonic-gate int 28637c478bd9Sstevel@tonic-gate di_lnode_devt(di_lnode_t lnode, dev_t *devt) 28647c478bd9Sstevel@tonic-gate { 28657c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || (devt == NULL)) { 28667c478bd9Sstevel@tonic-gate errno = EINVAL; 28677c478bd9Sstevel@tonic-gate return (-1); 28687c478bd9Sstevel@tonic-gate } 28697c478bd9Sstevel@tonic-gate if ((DI_LNODE(lnode)->dev_major == (major_t)-1) && 28707c478bd9Sstevel@tonic-gate (DI_LNODE(lnode)->dev_minor == (minor_t)-1)) 28717c478bd9Sstevel@tonic-gate return (-1); 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate *devt = makedev(DI_LNODE(lnode)->dev_major, DI_LNODE(lnode)->dev_minor); 28747c478bd9Sstevel@tonic-gate return (0); 28757c478bd9Sstevel@tonic-gate } 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate int 28787c478bd9Sstevel@tonic-gate di_link_spectype(di_link_t link) 28797c478bd9Sstevel@tonic-gate { 28807c478bd9Sstevel@tonic-gate return (DI_LINK(link)->spec_type); 28817c478bd9Sstevel@tonic-gate } 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate void 28847c478bd9Sstevel@tonic-gate di_minor_private_set(di_minor_t minor, void *data) 28857c478bd9Sstevel@tonic-gate { 28867c478bd9Sstevel@tonic-gate DI_MINOR(minor)->user_private_data = (uintptr_t)data; 28877c478bd9Sstevel@tonic-gate } 28887c478bd9Sstevel@tonic-gate 28897c478bd9Sstevel@tonic-gate void * 28907c478bd9Sstevel@tonic-gate di_minor_private_get(di_minor_t minor) 28917c478bd9Sstevel@tonic-gate { 28928309866bSanish return ((void *)(uintptr_t)DI_MINOR(minor)->user_private_data); 28937c478bd9Sstevel@tonic-gate } 28947c478bd9Sstevel@tonic-gate 28957c478bd9Sstevel@tonic-gate void 28967c478bd9Sstevel@tonic-gate di_node_private_set(di_node_t node, void *data) 28977c478bd9Sstevel@tonic-gate { 28987c478bd9Sstevel@tonic-gate DI_NODE(node)->user_private_data = (uintptr_t)data; 28997c478bd9Sstevel@tonic-gate } 29007c478bd9Sstevel@tonic-gate 29017c478bd9Sstevel@tonic-gate void * 29027c478bd9Sstevel@tonic-gate di_node_private_get(di_node_t node) 29037c478bd9Sstevel@tonic-gate { 29048309866bSanish return ((void *)(uintptr_t)DI_NODE(node)->user_private_data); 29057c478bd9Sstevel@tonic-gate } 29067c478bd9Sstevel@tonic-gate 29077c478bd9Sstevel@tonic-gate void 29087c478bd9Sstevel@tonic-gate di_lnode_private_set(di_lnode_t lnode, void *data) 29097c478bd9Sstevel@tonic-gate { 29107c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->user_private_data = (uintptr_t)data; 29117c478bd9Sstevel@tonic-gate } 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate void * 29147c478bd9Sstevel@tonic-gate di_lnode_private_get(di_lnode_t lnode) 29157c478bd9Sstevel@tonic-gate { 29168309866bSanish return ((void *)(uintptr_t)DI_LNODE(lnode)->user_private_data); 29177c478bd9Sstevel@tonic-gate } 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate void 29207c478bd9Sstevel@tonic-gate di_link_private_set(di_link_t link, void *data) 29217c478bd9Sstevel@tonic-gate { 29227c478bd9Sstevel@tonic-gate DI_LINK(link)->user_private_data = (uintptr_t)data; 29237c478bd9Sstevel@tonic-gate } 29247c478bd9Sstevel@tonic-gate 29257c478bd9Sstevel@tonic-gate void * 29267c478bd9Sstevel@tonic-gate di_link_private_get(di_link_t link) 29277c478bd9Sstevel@tonic-gate { 29288309866bSanish return ((void *)(uintptr_t)DI_LINK(link)->user_private_data); 29297c478bd9Sstevel@tonic-gate } 29307c478bd9Sstevel@tonic-gate 29317c478bd9Sstevel@tonic-gate di_lnode_t 29327c478bd9Sstevel@tonic-gate di_lnode_next(di_node_t node, di_lnode_t lnode) 29337c478bd9Sstevel@tonic-gate { 29347c478bd9Sstevel@tonic-gate struct di_all *di_all; 29357c478bd9Sstevel@tonic-gate 29367c478bd9Sstevel@tonic-gate /* 29377c478bd9Sstevel@tonic-gate * paranoid error checking 29387c478bd9Sstevel@tonic-gate */ 29397c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 29407c478bd9Sstevel@tonic-gate errno = EINVAL; 29417c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 29427c478bd9Sstevel@tonic-gate } 29437c478bd9Sstevel@tonic-gate 29447c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 29457c478bd9Sstevel@tonic-gate 29467c478bd9Sstevel@tonic-gate if (lnode == DI_NODE_NIL) { 29477c478bd9Sstevel@tonic-gate if (DI_NODE(node)->lnodes != NULL) 29487c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 29497c478bd9Sstevel@tonic-gate DI_NODE(node)->lnodes)); 29507c478bd9Sstevel@tonic-gate } else { 29517c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->node_next != NULL) 29527c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 29537c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->node_next)); 29547c478bd9Sstevel@tonic-gate } 29557c478bd9Sstevel@tonic-gate 29567c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 29577c478bd9Sstevel@tonic-gate errno = ENXIO; 29587c478bd9Sstevel@tonic-gate else 29597c478bd9Sstevel@tonic-gate errno = ENOTSUP; 29607c478bd9Sstevel@tonic-gate 29617c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 29627c478bd9Sstevel@tonic-gate } 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate di_link_t 29657c478bd9Sstevel@tonic-gate di_link_next_by_node(di_node_t node, di_link_t link, uint_t endpoint) 29667c478bd9Sstevel@tonic-gate { 29677c478bd9Sstevel@tonic-gate struct di_all *di_all; 29687c478bd9Sstevel@tonic-gate 29697c478bd9Sstevel@tonic-gate /* 29707c478bd9Sstevel@tonic-gate * paranoid error checking 29717c478bd9Sstevel@tonic-gate */ 29727c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || 29737c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 29747c478bd9Sstevel@tonic-gate errno = EINVAL; 29757c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 29767c478bd9Sstevel@tonic-gate } 29777c478bd9Sstevel@tonic-gate 29787c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 29797c478bd9Sstevel@tonic-gate 29807c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 29817c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 29827c478bd9Sstevel@tonic-gate if (DI_NODE(node)->src_links != NULL) 29837c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29847c478bd9Sstevel@tonic-gate DI_NODE(node)->src_links)); 29857c478bd9Sstevel@tonic-gate } else { 29867c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_node_next != NULL) 29877c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29887c478bd9Sstevel@tonic-gate DI_LINK(link)->src_node_next)); 29897c478bd9Sstevel@tonic-gate } 29907c478bd9Sstevel@tonic-gate } else { 29917c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 29927c478bd9Sstevel@tonic-gate if (DI_NODE(node)->tgt_links != NULL) 29937c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29947c478bd9Sstevel@tonic-gate DI_NODE(node)->tgt_links)); 29957c478bd9Sstevel@tonic-gate } else { 29967c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_node_next != NULL) 29977c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 29987c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_node_next)); 29997c478bd9Sstevel@tonic-gate } 30007c478bd9Sstevel@tonic-gate } 30017c478bd9Sstevel@tonic-gate 30027c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 30037c478bd9Sstevel@tonic-gate errno = ENXIO; 30047c478bd9Sstevel@tonic-gate else 30057c478bd9Sstevel@tonic-gate errno = ENOTSUP; 30067c478bd9Sstevel@tonic-gate 30077c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30087c478bd9Sstevel@tonic-gate } 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate di_link_t 30117c478bd9Sstevel@tonic-gate di_link_next_by_lnode(di_lnode_t lnode, di_link_t link, uint_t endpoint) 30127c478bd9Sstevel@tonic-gate { 30137c478bd9Sstevel@tonic-gate struct di_all *di_all; 30147c478bd9Sstevel@tonic-gate 30157c478bd9Sstevel@tonic-gate /* 30167c478bd9Sstevel@tonic-gate * paranoid error checking 30177c478bd9Sstevel@tonic-gate */ 30187c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || 30197c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 30207c478bd9Sstevel@tonic-gate errno = EINVAL; 30217c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30227c478bd9Sstevel@tonic-gate } 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 30257c478bd9Sstevel@tonic-gate 30267c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 30277c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 30287c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_out == NULL) 30297c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30307c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 30317c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_out)); 30327c478bd9Sstevel@tonic-gate } else { 30337c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_link_next == NULL) 30347c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30357c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 30367c478bd9Sstevel@tonic-gate DI_LINK(link)->src_link_next)); 30377c478bd9Sstevel@tonic-gate } 30387c478bd9Sstevel@tonic-gate } else { 30397c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 30407c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_in == NULL) 30417c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30427c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 30437c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_in)); 30447c478bd9Sstevel@tonic-gate } else { 30457c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_link_next == NULL) 30467c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 30477c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 30487c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_link_next)); 30497c478bd9Sstevel@tonic-gate } 30507c478bd9Sstevel@tonic-gate } 30517c478bd9Sstevel@tonic-gate /* NOTREACHED */ 30527c478bd9Sstevel@tonic-gate } 30537c478bd9Sstevel@tonic-gate 30547c478bd9Sstevel@tonic-gate /* 30557c478bd9Sstevel@tonic-gate * Internal library function: 30567c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 30577c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 30587c478bd9Sstevel@tonic-gate * 30597c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 30607c478bd9Sstevel@tonic-gate * first mode. 30617c478bd9Sstevel@tonic-gate */ 30627c478bd9Sstevel@tonic-gate static void 30637c478bd9Sstevel@tonic-gate walk_one_link(struct node_list **headp, uint_t ep, 30647c478bd9Sstevel@tonic-gate void *arg, int (*callback)(di_link_t link, void *arg)) 30657c478bd9Sstevel@tonic-gate { 30667c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 30677c478bd9Sstevel@tonic-gate di_link_t link = DI_LINK_NIL; 30687c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 30697c478bd9Sstevel@tonic-gate 30707c478bd9Sstevel@tonic-gate while ((link = di_link_next_by_node(node, link, ep)) != DI_LINK_NIL) { 30717c478bd9Sstevel@tonic-gate action = callback(link, arg); 30727c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 30737c478bd9Sstevel@tonic-gate break; 30747c478bd9Sstevel@tonic-gate } 30757c478bd9Sstevel@tonic-gate } 30767c478bd9Sstevel@tonic-gate 30777c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 30787c478bd9Sstevel@tonic-gate } 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate int 30817c478bd9Sstevel@tonic-gate di_walk_link(di_node_t root, uint_t flag, uint_t endpoint, void *arg, 30827c478bd9Sstevel@tonic-gate int (*link_callback)(di_link_t link, void *arg)) 30837c478bd9Sstevel@tonic-gate { 30847c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 30857c478bd9Sstevel@tonic-gate 30867c478bd9Sstevel@tonic-gate #ifdef DEBUG 30877c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 30887c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking %s link data under %s\n", 30897c478bd9Sstevel@tonic-gate (endpoint == DI_LINK_SRC) ? "src" : "tgt", path)); 30907c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 30917c478bd9Sstevel@tonic-gate #endif 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate /* 30947c478bd9Sstevel@tonic-gate * paranoid error checking 30957c478bd9Sstevel@tonic-gate */ 30967c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (link_callback == NULL) || (flag != 0) || 30977c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 30987c478bd9Sstevel@tonic-gate errno = EINVAL; 30997c478bd9Sstevel@tonic-gate return (-1); 31007c478bd9Sstevel@tonic-gate } 31017c478bd9Sstevel@tonic-gate 31027c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 31037c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 31047c478bd9Sstevel@tonic-gate return (-1); 31057c478bd9Sstevel@tonic-gate } 31067c478bd9Sstevel@tonic-gate 31077c478bd9Sstevel@tonic-gate head->next = NULL; 31087c478bd9Sstevel@tonic-gate head->node = root; 31097c478bd9Sstevel@tonic-gate 31107c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start link data walking from node %s\n", 31117c478bd9Sstevel@tonic-gate di_node_name(root))); 31127c478bd9Sstevel@tonic-gate 31137c478bd9Sstevel@tonic-gate while (head != NULL) 31147c478bd9Sstevel@tonic-gate walk_one_link(&head, endpoint, arg, link_callback); 31157c478bd9Sstevel@tonic-gate 31167c478bd9Sstevel@tonic-gate return (0); 31177c478bd9Sstevel@tonic-gate } 31187c478bd9Sstevel@tonic-gate 31197c478bd9Sstevel@tonic-gate /* 31207c478bd9Sstevel@tonic-gate * Internal library function: 31217c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 31227c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 31237c478bd9Sstevel@tonic-gate * 31247c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 31257c478bd9Sstevel@tonic-gate * first mode. 31267c478bd9Sstevel@tonic-gate */ 31277c478bd9Sstevel@tonic-gate static void 31287c478bd9Sstevel@tonic-gate walk_one_lnode(struct node_list **headp, void *arg, 31297c478bd9Sstevel@tonic-gate int (*callback)(di_lnode_t lnode, void *arg)) 31307c478bd9Sstevel@tonic-gate { 31317c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 31327c478bd9Sstevel@tonic-gate di_lnode_t lnode = DI_LNODE_NIL; 31337c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 31347c478bd9Sstevel@tonic-gate 31357c478bd9Sstevel@tonic-gate while ((lnode = di_lnode_next(node, lnode)) != DI_LNODE_NIL) { 31367c478bd9Sstevel@tonic-gate action = callback(lnode, arg); 31377c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 31387c478bd9Sstevel@tonic-gate break; 31397c478bd9Sstevel@tonic-gate } 31407c478bd9Sstevel@tonic-gate } 31417c478bd9Sstevel@tonic-gate 31427c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 31437c478bd9Sstevel@tonic-gate } 31447c478bd9Sstevel@tonic-gate 31457c478bd9Sstevel@tonic-gate int 31467c478bd9Sstevel@tonic-gate di_walk_lnode(di_node_t root, uint_t flag, void *arg, 31477c478bd9Sstevel@tonic-gate int (*lnode_callback)(di_lnode_t lnode, void *arg)) 31487c478bd9Sstevel@tonic-gate { 31497c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 31507c478bd9Sstevel@tonic-gate 31517c478bd9Sstevel@tonic-gate #ifdef DEBUG 31527c478bd9Sstevel@tonic-gate char *path = di_devfs_path(root); 31537c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking lnode data under %s\n", path)); 31547c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 31557c478bd9Sstevel@tonic-gate #endif 31567c478bd9Sstevel@tonic-gate 31577c478bd9Sstevel@tonic-gate /* 31587c478bd9Sstevel@tonic-gate * paranoid error checking 31597c478bd9Sstevel@tonic-gate */ 31607c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (lnode_callback == NULL) || (flag != 0)) { 31617c478bd9Sstevel@tonic-gate errno = EINVAL; 31627c478bd9Sstevel@tonic-gate return (-1); 31637c478bd9Sstevel@tonic-gate } 31647c478bd9Sstevel@tonic-gate 31657c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 31667c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 31677c478bd9Sstevel@tonic-gate return (-1); 31687c478bd9Sstevel@tonic-gate } 31697c478bd9Sstevel@tonic-gate 31707c478bd9Sstevel@tonic-gate head->next = NULL; 31717c478bd9Sstevel@tonic-gate head->node = root; 31727c478bd9Sstevel@tonic-gate 31737c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start lnode data walking from node %s\n", 31747c478bd9Sstevel@tonic-gate di_node_name(root))); 31757c478bd9Sstevel@tonic-gate 31767c478bd9Sstevel@tonic-gate while (head != NULL) 31777c478bd9Sstevel@tonic-gate walk_one_lnode(&head, arg, lnode_callback); 31787c478bd9Sstevel@tonic-gate 31797c478bd9Sstevel@tonic-gate return (0); 31807c478bd9Sstevel@tonic-gate } 31817c478bd9Sstevel@tonic-gate 31827c478bd9Sstevel@tonic-gate di_node_t 31837c478bd9Sstevel@tonic-gate di_lookup_node(di_node_t root, char *path) 31847c478bd9Sstevel@tonic-gate { 31857c478bd9Sstevel@tonic-gate struct di_all *dap; 31867c478bd9Sstevel@tonic-gate di_node_t node; 31877c478bd9Sstevel@tonic-gate char copy[MAXPATHLEN]; 31887c478bd9Sstevel@tonic-gate char *slash, *pname, *paddr; 31897c478bd9Sstevel@tonic-gate 31907c478bd9Sstevel@tonic-gate /* 31917c478bd9Sstevel@tonic-gate * Path must be absolute and musn't have duplicate slashes 31927c478bd9Sstevel@tonic-gate */ 31937c478bd9Sstevel@tonic-gate if (*path != '/' || strstr(path, "//")) { 31947c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Invalid path: %s\n", path)); 31957c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 31967c478bd9Sstevel@tonic-gate } 31977c478bd9Sstevel@tonic-gate 31987c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 31997c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "root node is DI_NODE_NIL\n")); 32007c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 32017c478bd9Sstevel@tonic-gate } 32027c478bd9Sstevel@tonic-gate 32037c478bd9Sstevel@tonic-gate dap = DI_ALL((caddr_t)root - DI_NODE(root)->self); 32047c478bd9Sstevel@tonic-gate if (strcmp(dap->root_path, "/") != 0) { 32057c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "snapshot root not / : %s\n", dap->root_path)); 32067c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 32077c478bd9Sstevel@tonic-gate } 32087c478bd9Sstevel@tonic-gate 32097c478bd9Sstevel@tonic-gate if (strlcpy(copy, path, sizeof (copy)) >= sizeof (copy)) { 32107c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "path too long: %s\n", path)); 32117c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 32127c478bd9Sstevel@tonic-gate } 32137c478bd9Sstevel@tonic-gate 32147c478bd9Sstevel@tonic-gate for (slash = copy, node = root; slash; ) { 32157c478bd9Sstevel@tonic-gate 32167c478bd9Sstevel@tonic-gate /* 32177c478bd9Sstevel@tonic-gate * Handle path = "/" case as well as trailing '/' 32187c478bd9Sstevel@tonic-gate */ 32197c478bd9Sstevel@tonic-gate if (*(slash + 1) == '\0') 32207c478bd9Sstevel@tonic-gate break; 32217c478bd9Sstevel@tonic-gate 32227c478bd9Sstevel@tonic-gate /* 32237c478bd9Sstevel@tonic-gate * More path-components exist. Deal with the next one 32247c478bd9Sstevel@tonic-gate */ 32257c478bd9Sstevel@tonic-gate pname = slash + 1; 32267c478bd9Sstevel@tonic-gate node = di_child_node(node); 32277c478bd9Sstevel@tonic-gate 32287c478bd9Sstevel@tonic-gate if (slash = strchr(pname, '/')) 32297c478bd9Sstevel@tonic-gate *slash = '\0'; 32307c478bd9Sstevel@tonic-gate if (paddr = strchr(pname, '@')) 32317c478bd9Sstevel@tonic-gate *paddr++ = '\0'; 32327c478bd9Sstevel@tonic-gate 32337c478bd9Sstevel@tonic-gate for (; node != DI_NODE_NIL; node = di_sibling_node(node)) { 32347c478bd9Sstevel@tonic-gate char *name, *baddr; 32357c478bd9Sstevel@tonic-gate 32367c478bd9Sstevel@tonic-gate name = di_node_name(node); 32377c478bd9Sstevel@tonic-gate baddr = di_bus_addr(node); 32387c478bd9Sstevel@tonic-gate 32397c478bd9Sstevel@tonic-gate if (strcmp(pname, name) != 0) 32407c478bd9Sstevel@tonic-gate continue; 32417c478bd9Sstevel@tonic-gate 32427c478bd9Sstevel@tonic-gate /* 32437c478bd9Sstevel@tonic-gate * Mappings between a "path-address" and bus-addr 32447c478bd9Sstevel@tonic-gate * 32457c478bd9Sstevel@tonic-gate * paddr baddr 32467c478bd9Sstevel@tonic-gate * --------------------- 32477c478bd9Sstevel@tonic-gate * NULL NULL 32487c478bd9Sstevel@tonic-gate * NULL "" 32497c478bd9Sstevel@tonic-gate * "" N/A (invalid paddr) 32507c478bd9Sstevel@tonic-gate */ 32517c478bd9Sstevel@tonic-gate if (paddr && baddr && strcmp(paddr, baddr) == 0) 32527c478bd9Sstevel@tonic-gate break; 32537c478bd9Sstevel@tonic-gate if (paddr == NULL && (baddr == NULL || *baddr == '\0')) 32547c478bd9Sstevel@tonic-gate break; 32557c478bd9Sstevel@tonic-gate } 32567c478bd9Sstevel@tonic-gate 32577c478bd9Sstevel@tonic-gate /* 32587c478bd9Sstevel@tonic-gate * No nodes in the sibling list or there was no match 32597c478bd9Sstevel@tonic-gate */ 32607c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 32617c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s@%s: no node\n", pname, paddr)); 32627c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 32637c478bd9Sstevel@tonic-gate } 32647c478bd9Sstevel@tonic-gate } 32657c478bd9Sstevel@tonic-gate 32667c478bd9Sstevel@tonic-gate assert(node != DI_NODE_NIL); 32677c478bd9Sstevel@tonic-gate return (node); 32687c478bd9Sstevel@tonic-gate } 32697c478bd9Sstevel@tonic-gate 32707c478bd9Sstevel@tonic-gate static char * 32717c478bd9Sstevel@tonic-gate msglevel2str(di_debug_t msglevel) 32727c478bd9Sstevel@tonic-gate { 32737c478bd9Sstevel@tonic-gate switch (msglevel) { 32747c478bd9Sstevel@tonic-gate case DI_ERR: 32757c478bd9Sstevel@tonic-gate return ("ERROR"); 32767c478bd9Sstevel@tonic-gate case DI_INFO: 32777c478bd9Sstevel@tonic-gate return ("Info"); 32787c478bd9Sstevel@tonic-gate case DI_TRACE: 32797c478bd9Sstevel@tonic-gate return ("Trace"); 32807c478bd9Sstevel@tonic-gate case DI_TRACE1: 32817c478bd9Sstevel@tonic-gate return ("Trace1"); 32827c478bd9Sstevel@tonic-gate case DI_TRACE2: 32837c478bd9Sstevel@tonic-gate return ("Trace2"); 32847c478bd9Sstevel@tonic-gate default: 32857c478bd9Sstevel@tonic-gate return ("UNKNOWN"); 32867c478bd9Sstevel@tonic-gate } 32877c478bd9Sstevel@tonic-gate } 32887c478bd9Sstevel@tonic-gate 32897c478bd9Sstevel@tonic-gate void 32907c478bd9Sstevel@tonic-gate dprint(di_debug_t msglevel, const char *fmt, ...) 32917c478bd9Sstevel@tonic-gate { 32927c478bd9Sstevel@tonic-gate va_list ap; 32937c478bd9Sstevel@tonic-gate char *estr; 32947c478bd9Sstevel@tonic-gate 32957c478bd9Sstevel@tonic-gate if (di_debug <= DI_QUIET) 32967c478bd9Sstevel@tonic-gate return; 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate if (di_debug < msglevel) 32997c478bd9Sstevel@tonic-gate return; 33007c478bd9Sstevel@tonic-gate 33017c478bd9Sstevel@tonic-gate estr = msglevel2str(msglevel); 33027c478bd9Sstevel@tonic-gate 33037c478bd9Sstevel@tonic-gate assert(estr); 33047c478bd9Sstevel@tonic-gate 33057c478bd9Sstevel@tonic-gate va_start(ap, fmt); 33067c478bd9Sstevel@tonic-gate 33077c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "libdevinfo[%lu]: %s: ", 33087c478bd9Sstevel@tonic-gate (ulong_t)getpid(), estr); 33097c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 33107c478bd9Sstevel@tonic-gate 33117c478bd9Sstevel@tonic-gate va_end(ap); 33127c478bd9Sstevel@tonic-gate } 33137c478bd9Sstevel@tonic-gate 33147c478bd9Sstevel@tonic-gate /* end of devinfo.c */ 3315