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 /* 2294c894bbSVikram Hegde * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 237c478bd9Sstevel@tonic-gate */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate /* 267c478bd9Sstevel@tonic-gate * Interfaces for getting device configuration data from kernel 277c478bd9Sstevel@tonic-gate * through the devinfo driver. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <stdio.h> 317c478bd9Sstevel@tonic-gate #include <stdlib.h> 327c478bd9Sstevel@tonic-gate #include <string.h> 337c478bd9Sstevel@tonic-gate #include <strings.h> 347c478bd9Sstevel@tonic-gate #include <stropts.h> 357c478bd9Sstevel@tonic-gate #include <fcntl.h> 367c478bd9Sstevel@tonic-gate #include <poll.h> 377c478bd9Sstevel@tonic-gate #include <synch.h> 387c478bd9Sstevel@tonic-gate #include <unistd.h> 397c478bd9Sstevel@tonic-gate #include <sys/mkdev.h> 407c478bd9Sstevel@tonic-gate #include <sys/obpdefs.h> 417c478bd9Sstevel@tonic-gate #include <sys/stat.h> 427c478bd9Sstevel@tonic-gate #include <sys/types.h> 437c478bd9Sstevel@tonic-gate #include <sys/time.h> 447c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 457c478bd9Sstevel@tonic-gate #include <stdarg.h> 4626947304SEvan Yan #include <sys/ddi_hp.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #define NDEBUG 1 497c478bd9Sstevel@tonic-gate #include <assert.h> 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate #include "libdevinfo.h" 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* 547c478bd9Sstevel@tonic-gate * Debug message levels 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate typedef enum { 577c478bd9Sstevel@tonic-gate DI_QUIET = 0, /* No debug messages - the default */ 587c478bd9Sstevel@tonic-gate DI_ERR = 1, 597c478bd9Sstevel@tonic-gate DI_INFO, 607c478bd9Sstevel@tonic-gate DI_TRACE, 617c478bd9Sstevel@tonic-gate DI_TRACE1, 627c478bd9Sstevel@tonic-gate DI_TRACE2 637c478bd9Sstevel@tonic-gate } di_debug_t; 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate int di_debug = DI_QUIET; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate #define DPRINTF(args) { if (di_debug != DI_QUIET) dprint args; } 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate void dprint(di_debug_t msglevel, const char *fmt, ...); 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #pragma init(_libdevinfo_init) 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate void 757c478bd9Sstevel@tonic-gate _libdevinfo_init() 767c478bd9Sstevel@tonic-gate { 777c478bd9Sstevel@tonic-gate char *debug_str = getenv("_LIBDEVINFO_DEBUG"); 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate if (debug_str) { 807c478bd9Sstevel@tonic-gate errno = 0; 817c478bd9Sstevel@tonic-gate di_debug = atoi(debug_str); 827c478bd9Sstevel@tonic-gate if (errno || di_debug < DI_QUIET) 837c478bd9Sstevel@tonic-gate di_debug = DI_QUIET; 847c478bd9Sstevel@tonic-gate } 857c478bd9Sstevel@tonic-gate } 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate di_node_t 887c478bd9Sstevel@tonic-gate di_init(const char *phys_path, uint_t flag) 897c478bd9Sstevel@tonic-gate { 907c478bd9Sstevel@tonic-gate return (di_init_impl(phys_path, flag, NULL)); 917c478bd9Sstevel@tonic-gate } 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * We use blocking_open() to guarantee access to the devinfo device, if open() 957c478bd9Sstevel@tonic-gate * is failing with EAGAIN. 967c478bd9Sstevel@tonic-gate */ 977c478bd9Sstevel@tonic-gate static int 987c478bd9Sstevel@tonic-gate blocking_open(const char *path, int oflag) 997c478bd9Sstevel@tonic-gate { 1007c478bd9Sstevel@tonic-gate int fd; 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate while ((fd = open(path, oflag)) == -1 && errno == EAGAIN) 1037c478bd9Sstevel@tonic-gate (void) poll(NULL, 0, 1 * MILLISEC); 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate return (fd); 1067c478bd9Sstevel@tonic-gate } 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate /* private interface */ 1097c478bd9Sstevel@tonic-gate di_node_t 1107c478bd9Sstevel@tonic-gate di_init_driver(const char *drv_name, uint_t flag) 1117c478bd9Sstevel@tonic-gate { 1127c478bd9Sstevel@tonic-gate int fd; 1137c478bd9Sstevel@tonic-gate char driver[MAXPATHLEN]; 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /* 1167c478bd9Sstevel@tonic-gate * Don't allow drv_name to exceed MAXPATHLEN - 1, or 1023, 1177c478bd9Sstevel@tonic-gate * which should be sufficient for any sensible programmer. 1187c478bd9Sstevel@tonic-gate */ 1197c478bd9Sstevel@tonic-gate if ((drv_name == NULL) || (strlen(drv_name) >= MAXPATHLEN)) { 1207c478bd9Sstevel@tonic-gate errno = EINVAL; 1217c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1227c478bd9Sstevel@tonic-gate } 1237c478bd9Sstevel@tonic-gate (void) strcpy(driver, drv_name); 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * open the devinfo driver 1277c478bd9Sstevel@tonic-gate */ 1287c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 1297c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 1307c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", errno)); 1317c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1327c478bd9Sstevel@tonic-gate } 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOLODRV, driver) != 0) { 1357c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to load driver %s\n", driver)); 1367c478bd9Sstevel@tonic-gate (void) close(fd); 1377c478bd9Sstevel@tonic-gate errno = ENXIO; 1387c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1397c478bd9Sstevel@tonic-gate } 1407c478bd9Sstevel@tonic-gate (void) close(fd); 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* 1437c478bd9Sstevel@tonic-gate * Driver load succeeded, return a snapshot 1447c478bd9Sstevel@tonic-gate */ 1457c478bd9Sstevel@tonic-gate return (di_init("/", flag)); 1467c478bd9Sstevel@tonic-gate } 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate di_node_t 1497c478bd9Sstevel@tonic-gate di_init_impl(const char *phys_path, uint_t flag, 1507c478bd9Sstevel@tonic-gate struct di_priv_data *priv) 1517c478bd9Sstevel@tonic-gate { 1527c478bd9Sstevel@tonic-gate caddr_t pa; 1537c478bd9Sstevel@tonic-gate int fd, map_size; 1547c478bd9Sstevel@tonic-gate struct di_all *dap; 1557c478bd9Sstevel@tonic-gate struct dinfo_io dinfo_io; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate uint_t pageoffset = sysconf(_SC_PAGESIZE) - 1; 1587c478bd9Sstevel@tonic-gate uint_t pagemask = ~pageoffset; 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_init: taking a snapshot\n")); 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate /* 1637c478bd9Sstevel@tonic-gate * Make sure there is no minor name in the path 1647c478bd9Sstevel@tonic-gate * and the path do not start with /devices.... 1657c478bd9Sstevel@tonic-gate */ 1667c478bd9Sstevel@tonic-gate if (strchr(phys_path, ':') || 1677c478bd9Sstevel@tonic-gate (strncmp(phys_path, "/devices", 8) == 0) || 1687c478bd9Sstevel@tonic-gate (strlen(phys_path) > MAXPATHLEN)) { 1697c478bd9Sstevel@tonic-gate errno = EINVAL; 1707c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate if (strlen(phys_path) == 0) 1747c478bd9Sstevel@tonic-gate (void) sprintf(dinfo_io.root_path, "/"); 1757c478bd9Sstevel@tonic-gate else if (*phys_path != '/') 1767c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1777c478bd9Sstevel@tonic-gate "/%s", phys_path); 1787c478bd9Sstevel@tonic-gate else 1797c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1807c478bd9Sstevel@tonic-gate "%s", phys_path); 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * If private data is requested, copy the format specification 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate if (flag & DINFOPRIVDATA & 0xff) { 1867c478bd9Sstevel@tonic-gate if (priv) 1877c478bd9Sstevel@tonic-gate bcopy(priv, &dinfo_io.priv, 1887c478bd9Sstevel@tonic-gate sizeof (struct di_priv_data)); 1897c478bd9Sstevel@tonic-gate else { 1907c478bd9Sstevel@tonic-gate errno = EINVAL; 1917c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1927c478bd9Sstevel@tonic-gate } 1937c478bd9Sstevel@tonic-gate } 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate /* 1967c478bd9Sstevel@tonic-gate * Attempt to open the devinfo driver. Make a second attempt at the 1977c478bd9Sstevel@tonic-gate * read-only minor node if we don't have privileges to open the full 1987c478bd9Sstevel@tonic-gate * version _and_ if we're not requesting operations that the read-only 1997c478bd9Sstevel@tonic-gate * node can't perform. (Setgid processes would fail an access() test, 2007c478bd9Sstevel@tonic-gate * of course.) 2017c478bd9Sstevel@tonic-gate */ 2027c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 2037c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2047c478bd9Sstevel@tonic-gate if ((flag & DINFOFORCE) == DINFOFORCE || 2057c478bd9Sstevel@tonic-gate (flag & DINFOPRIVDATA) == DINFOPRIVDATA) { 2067c478bd9Sstevel@tonic-gate /* 2077c478bd9Sstevel@tonic-gate * We wanted to perform a privileged operation, but the 2087c478bd9Sstevel@tonic-gate * privileged node isn't available. Don't modify errno 2097c478bd9Sstevel@tonic-gate * on our way out (but display it if we're running with 2107c478bd9Sstevel@tonic-gate * di_debug set). 2117c478bd9Sstevel@tonic-gate */ 2127c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2137c478bd9Sstevel@tonic-gate errno)); 2147c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2157c478bd9Sstevel@tonic-gate } 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo,ro", 2187c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2197c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2207c478bd9Sstevel@tonic-gate errno)); 2217c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2227c478bd9Sstevel@tonic-gate } 2237c478bd9Sstevel@tonic-gate } 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate /* 2267c478bd9Sstevel@tonic-gate * Verify that there is no major conflict, i.e., we are indeed opening 2277c478bd9Sstevel@tonic-gate * the devinfo driver. 2287c478bd9Sstevel@tonic-gate */ 2297c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOIDENT, NULL) != DI_MAGIC) { 2307c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, 2317c478bd9Sstevel@tonic-gate "driver ID failed; check for major conflict\n")); 2327c478bd9Sstevel@tonic-gate (void) close(fd); 2337c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2347c478bd9Sstevel@tonic-gate } 2357c478bd9Sstevel@tonic-gate 2367c478bd9Sstevel@tonic-gate /* 2377c478bd9Sstevel@tonic-gate * create snapshot 2387c478bd9Sstevel@tonic-gate */ 2397c478bd9Sstevel@tonic-gate if ((map_size = ioctl(fd, flag, &dinfo_io)) < 0) { 2407c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo ioctl failed with " 2417c478bd9Sstevel@tonic-gate "error: %d\n", errno)); 2427c478bd9Sstevel@tonic-gate (void) close(fd); 2437c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2447c478bd9Sstevel@tonic-gate } else if (map_size == 0) { 2457c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2467c478bd9Sstevel@tonic-gate errno = ENXIO; 2477c478bd9Sstevel@tonic-gate (void) close(fd); 2487c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2497c478bd9Sstevel@tonic-gate } 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate /* 2527c478bd9Sstevel@tonic-gate * copy snapshot to userland 2537c478bd9Sstevel@tonic-gate */ 2547c478bd9Sstevel@tonic-gate map_size = (map_size + pageoffset) & pagemask; 2557c478bd9Sstevel@tonic-gate if ((pa = valloc(map_size)) == NULL) { 2567c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "valloc failed for snapshot\n")); 2577c478bd9Sstevel@tonic-gate (void) close(fd); 2587c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2597c478bd9Sstevel@tonic-gate } 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOUSRLD, pa) != map_size) { 2627c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to copy snapshot to usrld\n")); 2637c478bd9Sstevel@tonic-gate (void) close(fd); 2647c478bd9Sstevel@tonic-gate free(pa); 2657c478bd9Sstevel@tonic-gate errno = EFAULT; 2667c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate (void) close(fd); 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate dap = DI_ALL(pa); 2723e2676e0Svikram if (dap->version != DI_SNAPSHOT_VERSION) { 2733e2676e0Svikram DPRINTF((DI_ERR, "wrong snapshot version " 2743e2676e0Svikram "(expected=%d, actual=%d)\n", 2753e2676e0Svikram DI_SNAPSHOT_VERSION, dap->version)); 2763e2676e0Svikram free(pa); 2773e2676e0Svikram errno = ESTALE; 2783e2676e0Svikram return (DI_NODE_NIL); 2793e2676e0Svikram } 2807c478bd9Sstevel@tonic-gate if (dap->top_devinfo == 0) { /* phys_path not found */ 2817c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2827c478bd9Sstevel@tonic-gate free(pa); 2837c478bd9Sstevel@tonic-gate errno = EINVAL; 2847c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2857c478bd9Sstevel@tonic-gate } 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate return (DI_NODE(pa + dap->top_devinfo)); 2887c478bd9Sstevel@tonic-gate } 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate void 2917c478bd9Sstevel@tonic-gate di_fini(di_node_t root) 2927c478bd9Sstevel@tonic-gate { 2937c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_fini: freeing a snapshot\n")); 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate /* 2987c478bd9Sstevel@tonic-gate * paranoid checking 2997c478bd9Sstevel@tonic-gate */ 3007c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 3017c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_fini called with NIL arg\n")); 3027c478bd9Sstevel@tonic-gate return; 3037c478bd9Sstevel@tonic-gate } 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate /* 3067c478bd9Sstevel@tonic-gate * The root contains its own offset--self. 3077c478bd9Sstevel@tonic-gate * Subtracting it from root address, we get the starting addr. 3087c478bd9Sstevel@tonic-gate * The map_size is stored at the beginning of snapshot. 3097c478bd9Sstevel@tonic-gate * Once we have starting address and size, we can free(). 3107c478bd9Sstevel@tonic-gate */ 3117c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate free(pa); 3147c478bd9Sstevel@tonic-gate } 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate di_node_t 3177c478bd9Sstevel@tonic-gate di_parent_node(di_node_t node) 3187c478bd9Sstevel@tonic-gate { 3197c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3227c478bd9Sstevel@tonic-gate errno = EINVAL; 3237c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3247c478bd9Sstevel@tonic-gate } 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get parent of node %s\n", di_node_name(node))); 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent) { 3317c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->parent)); 3327c478bd9Sstevel@tonic-gate } 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate /* 3357c478bd9Sstevel@tonic-gate * Deal with error condition: 3367c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 3377c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate if (strcmp(DI_ALL(pa)->root_path, "/") != 0) 3407c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3417c478bd9Sstevel@tonic-gate else 3427c478bd9Sstevel@tonic-gate errno = ENXIO; 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate di_node_t 3487c478bd9Sstevel@tonic-gate di_sibling_node(di_node_t node) 3497c478bd9Sstevel@tonic-gate { 3507c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3537c478bd9Sstevel@tonic-gate errno = EINVAL; 3547c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3557c478bd9Sstevel@tonic-gate } 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get sibling of node %s\n", di_node_name(node))); 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate if (DI_NODE(node)->sibling) { 3627c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->sibling)); 3637c478bd9Sstevel@tonic-gate } 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* 3667c478bd9Sstevel@tonic-gate * Deal with error condition: 3677c478bd9Sstevel@tonic-gate * Sibling doesn't exist, figure out if ioctl command 3687c478bd9Sstevel@tonic-gate * has DINFOSUBTREE set. If it doesn't, set errno to 3697c478bd9Sstevel@tonic-gate * ENOTSUP. 3707c478bd9Sstevel@tonic-gate */ 3717c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 3727c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3737c478bd9Sstevel@tonic-gate else 3747c478bd9Sstevel@tonic-gate errno = ENXIO; 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3777c478bd9Sstevel@tonic-gate } 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate di_node_t 3807c478bd9Sstevel@tonic-gate di_child_node(di_node_t node) 3817c478bd9Sstevel@tonic-gate { 3827c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get child of node %s\n", di_node_name(node))); 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3877c478bd9Sstevel@tonic-gate errno = EINVAL; 3887c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3897c478bd9Sstevel@tonic-gate } 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate if (DI_NODE(node)->child) { 3947c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->child)); 3957c478bd9Sstevel@tonic-gate } 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate /* 3987c478bd9Sstevel@tonic-gate * Deal with error condition: 3997c478bd9Sstevel@tonic-gate * Child doesn't exist, figure out if DINFOSUBTREE is set. 4007c478bd9Sstevel@tonic-gate * If it isn't, set errno to ENOTSUP. 4017c478bd9Sstevel@tonic-gate */ 4027c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 4037c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4047c478bd9Sstevel@tonic-gate else 4057c478bd9Sstevel@tonic-gate errno = ENXIO; 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4087c478bd9Sstevel@tonic-gate } 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate di_node_t 4117c478bd9Sstevel@tonic-gate di_drv_first_node(const char *drv_name, di_node_t root) 4127c478bd9Sstevel@tonic-gate { 4137c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4147c478bd9Sstevel@tonic-gate int major, devcnt; 4157c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Get first node of driver %s\n", drv_name)); 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 4207c478bd9Sstevel@tonic-gate errno = EINVAL; 4217c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4227c478bd9Sstevel@tonic-gate } 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate /* 4257c478bd9Sstevel@tonic-gate * get major number of driver 4267c478bd9Sstevel@tonic-gate */ 4277c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 4287c478bd9Sstevel@tonic-gate devcnt = DI_ALL(pa)->devcnt; 4297c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate for (major = 0; major < devcnt; major++) 4327c478bd9Sstevel@tonic-gate if (devnm[major].name && (strcmp(drv_name, 4337c478bd9Sstevel@tonic-gate (char *)(pa + devnm[major].name)) == 0)) 4347c478bd9Sstevel@tonic-gate break; 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate if (major >= devcnt) { 4377c478bd9Sstevel@tonic-gate errno = EINVAL; 4387c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4397c478bd9Sstevel@tonic-gate } 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate if (!(devnm[major].head)) { 4427c478bd9Sstevel@tonic-gate errno = ENXIO; 4437c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4447c478bd9Sstevel@tonic-gate } 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate return (DI_NODE(pa + devnm[major].head)); 4477c478bd9Sstevel@tonic-gate } 4487c478bd9Sstevel@tonic-gate 4497c478bd9Sstevel@tonic-gate di_node_t 4507c478bd9Sstevel@tonic-gate di_drv_next_node(di_node_t node) 4517c478bd9Sstevel@tonic-gate { 4527c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 4557c478bd9Sstevel@tonic-gate errno = EINVAL; 4567c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4577c478bd9Sstevel@tonic-gate } 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "next node on per driver list:" 4607c478bd9Sstevel@tonic-gate " current=%s, driver=%s\n", 4617c478bd9Sstevel@tonic-gate di_node_name(node), di_driver_name(node))); 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == (di_off_t)-1) { 4647c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4657c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4667c478bd9Sstevel@tonic-gate } 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 4697c478bd9Sstevel@tonic-gate 470*f00128d8SToomas Soome if (DI_NODE(node)->next == 0) { 4717c478bd9Sstevel@tonic-gate errno = ENXIO; 4727c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4737c478bd9Sstevel@tonic-gate } 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->next)); 4767c478bd9Sstevel@tonic-gate } 4777c478bd9Sstevel@tonic-gate 4787c478bd9Sstevel@tonic-gate /* 4797c478bd9Sstevel@tonic-gate * Internal library interfaces: 4807c478bd9Sstevel@tonic-gate * node_list etc. for node walking 4817c478bd9Sstevel@tonic-gate */ 4827c478bd9Sstevel@tonic-gate struct node_list { 4837c478bd9Sstevel@tonic-gate struct node_list *next; 4847c478bd9Sstevel@tonic-gate di_node_t node; 4857c478bd9Sstevel@tonic-gate }; 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate static void 4887c478bd9Sstevel@tonic-gate free_node_list(struct node_list **headp) 4897c478bd9Sstevel@tonic-gate { 4907c478bd9Sstevel@tonic-gate struct node_list *tmp; 4917c478bd9Sstevel@tonic-gate 4927c478bd9Sstevel@tonic-gate while (*headp) { 4937c478bd9Sstevel@tonic-gate tmp = *headp; 4947c478bd9Sstevel@tonic-gate *headp = (*headp)->next; 4957c478bd9Sstevel@tonic-gate free(tmp); 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate } 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate static void 5007c478bd9Sstevel@tonic-gate append_node_list(struct node_list **headp, struct node_list *list) 5017c478bd9Sstevel@tonic-gate { 5027c478bd9Sstevel@tonic-gate struct node_list *tmp; 5037c478bd9Sstevel@tonic-gate 5047c478bd9Sstevel@tonic-gate if (*headp == NULL) { 5057c478bd9Sstevel@tonic-gate *headp = list; 5067c478bd9Sstevel@tonic-gate return; 5077c478bd9Sstevel@tonic-gate } 5087c478bd9Sstevel@tonic-gate 5097c478bd9Sstevel@tonic-gate if (list == NULL) /* a minor optimization */ 5107c478bd9Sstevel@tonic-gate return; 5117c478bd9Sstevel@tonic-gate 5127c478bd9Sstevel@tonic-gate tmp = *headp; 5137c478bd9Sstevel@tonic-gate while (tmp->next) 5147c478bd9Sstevel@tonic-gate tmp = tmp->next; 5157c478bd9Sstevel@tonic-gate 5167c478bd9Sstevel@tonic-gate tmp->next = list; 5177c478bd9Sstevel@tonic-gate } 5187c478bd9Sstevel@tonic-gate 5197c478bd9Sstevel@tonic-gate static void 5207c478bd9Sstevel@tonic-gate prepend_node_list(struct node_list **headp, struct node_list *list) 5217c478bd9Sstevel@tonic-gate { 5227c478bd9Sstevel@tonic-gate struct node_list *tmp; 5237c478bd9Sstevel@tonic-gate 5247c478bd9Sstevel@tonic-gate if (list == NULL) 5257c478bd9Sstevel@tonic-gate return; 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate tmp = *headp; 5287c478bd9Sstevel@tonic-gate *headp = list; 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate if (tmp == NULL) /* a minor optimization */ 5317c478bd9Sstevel@tonic-gate return; 5327c478bd9Sstevel@tonic-gate 5337c478bd9Sstevel@tonic-gate while (list->next) 5347c478bd9Sstevel@tonic-gate list = list->next; 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate list->next = tmp; 5377c478bd9Sstevel@tonic-gate } 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate /* 5407c478bd9Sstevel@tonic-gate * returns 1 if node is a descendant of parent, 0 otherwise 5417c478bd9Sstevel@tonic-gate */ 5427c478bd9Sstevel@tonic-gate static int 5437c478bd9Sstevel@tonic-gate is_descendant(di_node_t node, di_node_t parent) 5447c478bd9Sstevel@tonic-gate { 5457c478bd9Sstevel@tonic-gate /* 5467c478bd9Sstevel@tonic-gate * DI_NODE_NIL is parent of root, so it is 5477c478bd9Sstevel@tonic-gate * the parent of all nodes. 5487c478bd9Sstevel@tonic-gate */ 5497c478bd9Sstevel@tonic-gate if (parent == DI_NODE_NIL) { 5507c478bd9Sstevel@tonic-gate return (1); 5517c478bd9Sstevel@tonic-gate } 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate do { 5547c478bd9Sstevel@tonic-gate node = di_parent_node(node); 5557c478bd9Sstevel@tonic-gate } while ((node != DI_NODE_NIL) && (node != parent)); 5567c478bd9Sstevel@tonic-gate 5577c478bd9Sstevel@tonic-gate return (node != DI_NODE_NIL); 5587c478bd9Sstevel@tonic-gate } 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate /* 5617c478bd9Sstevel@tonic-gate * Insert list before the first node which is NOT a descendent of parent. 5627c478bd9Sstevel@tonic-gate * This is needed to reproduce the exact walking order of link generators. 5637c478bd9Sstevel@tonic-gate */ 5647c478bd9Sstevel@tonic-gate static void 5657c478bd9Sstevel@tonic-gate insert_node_list(struct node_list **headp, struct node_list *list, 5667c478bd9Sstevel@tonic-gate di_node_t parent) 5677c478bd9Sstevel@tonic-gate { 5687c478bd9Sstevel@tonic-gate struct node_list *tmp, *tmp1; 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate if (list == NULL) 5717c478bd9Sstevel@tonic-gate return; 5727c478bd9Sstevel@tonic-gate 5737c478bd9Sstevel@tonic-gate tmp = *headp; 5747c478bd9Sstevel@tonic-gate if (tmp == NULL) { /* a minor optimization */ 5757c478bd9Sstevel@tonic-gate *headp = list; 5767c478bd9Sstevel@tonic-gate return; 5777c478bd9Sstevel@tonic-gate } 5787c478bd9Sstevel@tonic-gate 5797c478bd9Sstevel@tonic-gate if (!is_descendant(tmp->node, parent)) { 5807c478bd9Sstevel@tonic-gate prepend_node_list(headp, list); 5817c478bd9Sstevel@tonic-gate return; 5827c478bd9Sstevel@tonic-gate } 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate /* 5857c478bd9Sstevel@tonic-gate * Find first node which is not a descendant 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate while (tmp->next && is_descendant(tmp->next->node, parent)) { 5887c478bd9Sstevel@tonic-gate tmp = tmp->next; 5897c478bd9Sstevel@tonic-gate } 5907c478bd9Sstevel@tonic-gate 5917c478bd9Sstevel@tonic-gate tmp1 = tmp->next; 5927c478bd9Sstevel@tonic-gate tmp->next = list; 5937c478bd9Sstevel@tonic-gate append_node_list(headp, tmp1); 5947c478bd9Sstevel@tonic-gate } 5957c478bd9Sstevel@tonic-gate 5967c478bd9Sstevel@tonic-gate /* 5977c478bd9Sstevel@tonic-gate * Get a linked list of handles of all children 5987c478bd9Sstevel@tonic-gate */ 5997c478bd9Sstevel@tonic-gate static struct node_list * 6007c478bd9Sstevel@tonic-gate get_children(di_node_t node) 6017c478bd9Sstevel@tonic-gate { 6027c478bd9Sstevel@tonic-gate di_node_t child; 6037c478bd9Sstevel@tonic-gate struct node_list *result, *tmp; 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Get children of node %s\n", di_node_name(node))); 6067c478bd9Sstevel@tonic-gate 6077c478bd9Sstevel@tonic-gate if ((child = di_child_node(node)) == DI_NODE_NIL) { 6087c478bd9Sstevel@tonic-gate return (NULL); 6097c478bd9Sstevel@tonic-gate } 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate if ((result = malloc(sizeof (struct node_list))) == NULL) { 6127c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6137c478bd9Sstevel@tonic-gate return (NULL); 6147c478bd9Sstevel@tonic-gate } 6157c478bd9Sstevel@tonic-gate 6167c478bd9Sstevel@tonic-gate result->node = child; 6177c478bd9Sstevel@tonic-gate tmp = result; 6187c478bd9Sstevel@tonic-gate 6197c478bd9Sstevel@tonic-gate while ((child = di_sibling_node(tmp->node)) != DI_NODE_NIL) { 6207c478bd9Sstevel@tonic-gate if ((tmp->next = malloc(sizeof (struct node_list))) == NULL) { 6217c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6227c478bd9Sstevel@tonic-gate free_node_list(&result); 6237c478bd9Sstevel@tonic-gate return (NULL); 6247c478bd9Sstevel@tonic-gate } 6257c478bd9Sstevel@tonic-gate tmp = tmp->next; 6267c478bd9Sstevel@tonic-gate tmp->node = child; 6277c478bd9Sstevel@tonic-gate } 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate tmp->next = NULL; 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate return (result); 6327c478bd9Sstevel@tonic-gate } 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate /* 6357c478bd9Sstevel@tonic-gate * Internal library interface: 6367c478bd9Sstevel@tonic-gate * Delete all siblings of the first node from the node_list, along with 6377c478bd9Sstevel@tonic-gate * the first node itself. 6387c478bd9Sstevel@tonic-gate */ 6397c478bd9Sstevel@tonic-gate static void 6407c478bd9Sstevel@tonic-gate prune_sib(struct node_list **headp) 6417c478bd9Sstevel@tonic-gate { 6427c478bd9Sstevel@tonic-gate di_node_t parent, curr_par, curr_gpar; 6437c478bd9Sstevel@tonic-gate struct node_list *curr, *prev; 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate /* 6467c478bd9Sstevel@tonic-gate * get handle to parent of first node 6477c478bd9Sstevel@tonic-gate */ 6487c478bd9Sstevel@tonic-gate if ((parent = di_parent_node((*headp)->node)) == DI_NODE_NIL) { 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * This must be the root of the snapshot, so can't 6517c478bd9Sstevel@tonic-gate * have any siblings. 6527c478bd9Sstevel@tonic-gate * 6537c478bd9Sstevel@tonic-gate * XXX Put a check here just in case. 6547c478bd9Sstevel@tonic-gate */ 6557c478bd9Sstevel@tonic-gate if ((*headp)->next) 6567c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unexpected err in di_walk_node.\n")); 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate free(*headp); 6597c478bd9Sstevel@tonic-gate *headp = NULL; 6607c478bd9Sstevel@tonic-gate return; 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate /* 6647c478bd9Sstevel@tonic-gate * To be complete, we should also delete the children 6657c478bd9Sstevel@tonic-gate * of siblings that have already been visited. 6667c478bd9Sstevel@tonic-gate * This happens for DI_WALK_SIBFIRST when the first node 6677c478bd9Sstevel@tonic-gate * is NOT the first in the linked list of siblings. 6687c478bd9Sstevel@tonic-gate * 6697c478bd9Sstevel@tonic-gate * Hence, we compare parent with BOTH the parent and grandparent 6707c478bd9Sstevel@tonic-gate * of nodes, and delete node is a match is found. 6717c478bd9Sstevel@tonic-gate */ 6727c478bd9Sstevel@tonic-gate prev = *headp; 6737c478bd9Sstevel@tonic-gate curr = prev->next; 6747c478bd9Sstevel@tonic-gate while (curr) { 6757c478bd9Sstevel@tonic-gate if (((curr_par = di_parent_node(curr->node)) != DI_NODE_NIL) && 6767c478bd9Sstevel@tonic-gate ((curr_par == parent) || ((curr_gpar = 6777c478bd9Sstevel@tonic-gate di_parent_node(curr_par)) != DI_NODE_NIL) && 6787c478bd9Sstevel@tonic-gate (curr_gpar == parent))) { 6797c478bd9Sstevel@tonic-gate /* 6807c478bd9Sstevel@tonic-gate * match parent/grandparent: delete curr 6817c478bd9Sstevel@tonic-gate */ 6827c478bd9Sstevel@tonic-gate prev->next = curr->next; 6837c478bd9Sstevel@tonic-gate free(curr); 6847c478bd9Sstevel@tonic-gate curr = prev->next; 6857c478bd9Sstevel@tonic-gate } else 6867c478bd9Sstevel@tonic-gate curr = curr->next; 6877c478bd9Sstevel@tonic-gate } 6887c478bd9Sstevel@tonic-gate 6897c478bd9Sstevel@tonic-gate /* 6907c478bd9Sstevel@tonic-gate * delete the first node 6917c478bd9Sstevel@tonic-gate */ 6927c478bd9Sstevel@tonic-gate curr = *headp; 6937c478bd9Sstevel@tonic-gate *headp = curr->next; 6947c478bd9Sstevel@tonic-gate free(curr); 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate 6977c478bd9Sstevel@tonic-gate /* 6987c478bd9Sstevel@tonic-gate * Internal library function: 6997c478bd9Sstevel@tonic-gate * Update node list based on action (return code from callback) 7007c478bd9Sstevel@tonic-gate * and flag specifying walking behavior. 7017c478bd9Sstevel@tonic-gate */ 7027c478bd9Sstevel@tonic-gate static void 7037c478bd9Sstevel@tonic-gate update_node_list(int action, uint_t flag, struct node_list **headp) 7047c478bd9Sstevel@tonic-gate { 7057c478bd9Sstevel@tonic-gate struct node_list *children, *tmp; 7067c478bd9Sstevel@tonic-gate di_node_t parent = di_parent_node((*headp)->node); 7077c478bd9Sstevel@tonic-gate 7087c478bd9Sstevel@tonic-gate switch (action) { 7097c478bd9Sstevel@tonic-gate case DI_WALK_TERMINATE: 7107c478bd9Sstevel@tonic-gate /* 7117c478bd9Sstevel@tonic-gate * free the node list and be done 7127c478bd9Sstevel@tonic-gate */ 7137c478bd9Sstevel@tonic-gate children = NULL; 7147c478bd9Sstevel@tonic-gate free_node_list(headp); 7157c478bd9Sstevel@tonic-gate break; 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate case DI_WALK_PRUNESIB: 7187c478bd9Sstevel@tonic-gate /* 7197c478bd9Sstevel@tonic-gate * Get list of children and prune siblings 7207c478bd9Sstevel@tonic-gate */ 7217c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7227c478bd9Sstevel@tonic-gate prune_sib(headp); 7237c478bd9Sstevel@tonic-gate break; 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate case DI_WALK_PRUNECHILD: 7267c478bd9Sstevel@tonic-gate /* 7277c478bd9Sstevel@tonic-gate * Set children to NULL and pop first node 7287c478bd9Sstevel@tonic-gate */ 7297c478bd9Sstevel@tonic-gate children = NULL; 7307c478bd9Sstevel@tonic-gate tmp = *headp; 7317c478bd9Sstevel@tonic-gate *headp = tmp->next; 7327c478bd9Sstevel@tonic-gate free(tmp); 7337c478bd9Sstevel@tonic-gate break; 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate case DI_WALK_CONTINUE: 7367c478bd9Sstevel@tonic-gate default: 7377c478bd9Sstevel@tonic-gate /* 7387c478bd9Sstevel@tonic-gate * Get list of children and pop first node 7397c478bd9Sstevel@tonic-gate */ 7407c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7417c478bd9Sstevel@tonic-gate tmp = *headp; 7427c478bd9Sstevel@tonic-gate *headp = tmp->next; 7437c478bd9Sstevel@tonic-gate free(tmp); 7447c478bd9Sstevel@tonic-gate break; 7457c478bd9Sstevel@tonic-gate } 7467c478bd9Sstevel@tonic-gate 7477c478bd9Sstevel@tonic-gate /* 7487c478bd9Sstevel@tonic-gate * insert the list of children 7497c478bd9Sstevel@tonic-gate */ 7507c478bd9Sstevel@tonic-gate switch (flag) { 7517c478bd9Sstevel@tonic-gate case DI_WALK_CLDFIRST: 7527c478bd9Sstevel@tonic-gate prepend_node_list(headp, children); 7537c478bd9Sstevel@tonic-gate break; 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate case DI_WALK_SIBFIRST: 7567c478bd9Sstevel@tonic-gate append_node_list(headp, children); 7577c478bd9Sstevel@tonic-gate break; 7587c478bd9Sstevel@tonic-gate 7597c478bd9Sstevel@tonic-gate case DI_WALK_LINKGEN: 7607c478bd9Sstevel@tonic-gate default: 7617c478bd9Sstevel@tonic-gate insert_node_list(headp, children, parent); 7627c478bd9Sstevel@tonic-gate break; 7637c478bd9Sstevel@tonic-gate } 7647c478bd9Sstevel@tonic-gate } 7657c478bd9Sstevel@tonic-gate 7667c478bd9Sstevel@tonic-gate /* 7677c478bd9Sstevel@tonic-gate * Internal library function: 7687c478bd9Sstevel@tonic-gate * Invoke callback on one node and update the list of nodes to be walked 7697c478bd9Sstevel@tonic-gate * based on the flag and return code. 7707c478bd9Sstevel@tonic-gate */ 7717c478bd9Sstevel@tonic-gate static void 7727c478bd9Sstevel@tonic-gate walk_one_node(struct node_list **headp, uint_t flag, void *arg, 7737c478bd9Sstevel@tonic-gate int (*callback)(di_node_t, void *)) 7747c478bd9Sstevel@tonic-gate { 7757c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Walking node %s\n", di_node_name((*headp)->node))); 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate update_node_list(callback((*headp)->node, arg), 7787c478bd9Sstevel@tonic-gate flag & DI_WALK_MASK, headp); 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate 7817c478bd9Sstevel@tonic-gate int 7827c478bd9Sstevel@tonic-gate di_walk_node(di_node_t root, uint_t flag, void *arg, 7837c478bd9Sstevel@tonic-gate int (*node_callback)(di_node_t, void *)) 7847c478bd9Sstevel@tonic-gate { 7857c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 7867c478bd9Sstevel@tonic-gate 7877c478bd9Sstevel@tonic-gate if (root == NULL) { 7887c478bd9Sstevel@tonic-gate errno = EINVAL; 7897c478bd9Sstevel@tonic-gate return (-1); 7907c478bd9Sstevel@tonic-gate } 7917c478bd9Sstevel@tonic-gate 7927c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 7937c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 7947c478bd9Sstevel@tonic-gate return (-1); 7957c478bd9Sstevel@tonic-gate } 7967c478bd9Sstevel@tonic-gate 7977c478bd9Sstevel@tonic-gate head->next = NULL; 7987c478bd9Sstevel@tonic-gate head->node = root; 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start node walking from node %s\n", 8017c478bd9Sstevel@tonic-gate di_node_name(root))); 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate while (head != NULL) 8047c478bd9Sstevel@tonic-gate walk_one_node(&head, flag, arg, node_callback); 8057c478bd9Sstevel@tonic-gate 8067c478bd9Sstevel@tonic-gate return (0); 8077c478bd9Sstevel@tonic-gate } 8087c478bd9Sstevel@tonic-gate 8097c478bd9Sstevel@tonic-gate /* 8107c478bd9Sstevel@tonic-gate * Internal library function: 8117c478bd9Sstevel@tonic-gate * Invoke callback for each minor on the minor list of first node 8127c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 8137c478bd9Sstevel@tonic-gate * 8147c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 8157c478bd9Sstevel@tonic-gate * first mode. 8167c478bd9Sstevel@tonic-gate */ 8177c478bd9Sstevel@tonic-gate static void 8187c478bd9Sstevel@tonic-gate walk_one_minor_list(struct node_list **headp, const char *desired_type, 8197c478bd9Sstevel@tonic-gate uint_t flag, void *arg, int (*callback)(di_node_t, di_minor_t, void *)) 8207c478bd9Sstevel@tonic-gate { 8217c478bd9Sstevel@tonic-gate int ddm_type; 8227c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 8237c478bd9Sstevel@tonic-gate char *node_type; 8247c478bd9Sstevel@tonic-gate di_minor_t minor = DI_MINOR_NIL; 8257c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) { 8287c478bd9Sstevel@tonic-gate ddm_type = di_minor_type(minor); 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_ALIAS) && !(flag & DI_CHECK_ALIAS)) 8317c478bd9Sstevel@tonic-gate continue; 8327c478bd9Sstevel@tonic-gate 8337c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_INTERNAL_PATH) && 8347c478bd9Sstevel@tonic-gate !(flag & DI_CHECK_INTERNAL_PATH)) 8357c478bd9Sstevel@tonic-gate continue; 8367c478bd9Sstevel@tonic-gate 8377c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 8387c478bd9Sstevel@tonic-gate if ((desired_type != NULL) && ((node_type == NULL) || 8397c478bd9Sstevel@tonic-gate strncmp(desired_type, node_type, strlen(desired_type)) 8407c478bd9Sstevel@tonic-gate != 0)) 8417c478bd9Sstevel@tonic-gate continue; 8427c478bd9Sstevel@tonic-gate 8437c478bd9Sstevel@tonic-gate if ((action = callback(node, minor, arg)) == 8447c478bd9Sstevel@tonic-gate DI_WALK_TERMINATE) { 8457c478bd9Sstevel@tonic-gate break; 8467c478bd9Sstevel@tonic-gate } 8477c478bd9Sstevel@tonic-gate } 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 8507c478bd9Sstevel@tonic-gate } 8517c478bd9Sstevel@tonic-gate 8527c478bd9Sstevel@tonic-gate int 8537c478bd9Sstevel@tonic-gate di_walk_minor(di_node_t root, const char *minor_type, uint_t flag, void *arg, 8547c478bd9Sstevel@tonic-gate int (*minor_callback)(di_node_t, di_minor_t, void *)) 8557c478bd9Sstevel@tonic-gate { 8567c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 8577c478bd9Sstevel@tonic-gate 8587c478bd9Sstevel@tonic-gate #ifdef DEBUG 859602ca9eaScth char *devfspath = di_devfs_path(root); 860602ca9eaScth DPRINTF((DI_INFO, "walking minor nodes under %s\n", devfspath)); 861602ca9eaScth di_devfs_path_free(devfspath); 8627c478bd9Sstevel@tonic-gate #endif 8637c478bd9Sstevel@tonic-gate 8647c478bd9Sstevel@tonic-gate if (root == NULL) { 8657c478bd9Sstevel@tonic-gate errno = EINVAL; 8667c478bd9Sstevel@tonic-gate return (-1); 8677c478bd9Sstevel@tonic-gate } 8687c478bd9Sstevel@tonic-gate 8697c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 8707c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 8717c478bd9Sstevel@tonic-gate return (-1); 8727c478bd9Sstevel@tonic-gate } 8737c478bd9Sstevel@tonic-gate 8747c478bd9Sstevel@tonic-gate head->next = NULL; 8757c478bd9Sstevel@tonic-gate head->node = root; 8767c478bd9Sstevel@tonic-gate 8777c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start minor walking from node %s\n", 8787c478bd9Sstevel@tonic-gate di_node_name(root))); 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate while (head != NULL) 8817c478bd9Sstevel@tonic-gate walk_one_minor_list(&head, minor_type, flag, arg, 8827c478bd9Sstevel@tonic-gate minor_callback); 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate return (0); 8857c478bd9Sstevel@tonic-gate } 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate /* 8887c478bd9Sstevel@tonic-gate * generic node parameters 8897c478bd9Sstevel@tonic-gate * Calling these routines always succeeds. 8907c478bd9Sstevel@tonic-gate */ 8917c478bd9Sstevel@tonic-gate char * 8927c478bd9Sstevel@tonic-gate di_node_name(di_node_t node) 8937c478bd9Sstevel@tonic-gate { 8947c478bd9Sstevel@tonic-gate return ((caddr_t)node + DI_NODE(node)->node_name - DI_NODE(node)->self); 8957c478bd9Sstevel@tonic-gate } 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate /* returns NULL ptr or a valid ptr to non-NULL string */ 8987c478bd9Sstevel@tonic-gate char * 8997c478bd9Sstevel@tonic-gate di_bus_addr(di_node_t node) 9007c478bd9Sstevel@tonic-gate { 9017c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate if (DI_NODE(node)->address == 0) 9047c478bd9Sstevel@tonic-gate return (NULL); 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->address)); 9077c478bd9Sstevel@tonic-gate } 9087c478bd9Sstevel@tonic-gate 9097c478bd9Sstevel@tonic-gate char * 9107c478bd9Sstevel@tonic-gate di_binding_name(di_node_t node) 9117c478bd9Sstevel@tonic-gate { 9127c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9137c478bd9Sstevel@tonic-gate 9147c478bd9Sstevel@tonic-gate if (DI_NODE(node)->bind_name == 0) 9157c478bd9Sstevel@tonic-gate return (NULL); 9167c478bd9Sstevel@tonic-gate 9177c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->bind_name)); 9187c478bd9Sstevel@tonic-gate } 9197c478bd9Sstevel@tonic-gate 9207c478bd9Sstevel@tonic-gate int 9217c478bd9Sstevel@tonic-gate di_compatible_names(di_node_t node, char **names) 9227c478bd9Sstevel@tonic-gate { 9237c478bd9Sstevel@tonic-gate char *c; 9247c478bd9Sstevel@tonic-gate int len, size, entries = 0; 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate if (DI_NODE(node)->compat_names == 0) { 9277c478bd9Sstevel@tonic-gate *names = NULL; 9287c478bd9Sstevel@tonic-gate return (0); 9297c478bd9Sstevel@tonic-gate } 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate *names = (caddr_t)node + 9327c478bd9Sstevel@tonic-gate DI_NODE(node)->compat_names - DI_NODE(node)->self; 9337c478bd9Sstevel@tonic-gate 9347c478bd9Sstevel@tonic-gate c = *names; 9357c478bd9Sstevel@tonic-gate len = DI_NODE(node)->compat_length; 9367c478bd9Sstevel@tonic-gate while (len > 0) { 9377c478bd9Sstevel@tonic-gate entries++; 9387c478bd9Sstevel@tonic-gate size = strlen(c) + 1; 9397c478bd9Sstevel@tonic-gate len -= size; 9407c478bd9Sstevel@tonic-gate c += size; 9417c478bd9Sstevel@tonic-gate } 9427c478bd9Sstevel@tonic-gate 9437c478bd9Sstevel@tonic-gate return (entries); 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate 9467c478bd9Sstevel@tonic-gate int 9477c478bd9Sstevel@tonic-gate di_instance(di_node_t node) 9487c478bd9Sstevel@tonic-gate { 9497c478bd9Sstevel@tonic-gate return (DI_NODE(node)->instance); 9507c478bd9Sstevel@tonic-gate } 9517c478bd9Sstevel@tonic-gate 9527c478bd9Sstevel@tonic-gate /* 9537c478bd9Sstevel@tonic-gate * XXX: emulate the return value of the old implementation 9547c478bd9Sstevel@tonic-gate * using info from devi_node_class and devi_node_attributes. 9557c478bd9Sstevel@tonic-gate */ 9567c478bd9Sstevel@tonic-gate int 9577c478bd9Sstevel@tonic-gate di_nodeid(di_node_t node) 9587c478bd9Sstevel@tonic-gate { 9597c478bd9Sstevel@tonic-gate if (DI_NODE(node)->node_class == DDI_NC_PROM) 9607c478bd9Sstevel@tonic-gate return (DI_PROM_NODEID); 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate if (DI_NODE(node)->attributes & DDI_PERSISTENT) 9637c478bd9Sstevel@tonic-gate return (DI_SID_NODEID); 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate return (DI_PSEUDO_NODEID); 9667c478bd9Sstevel@tonic-gate } 9677c478bd9Sstevel@tonic-gate 9687c478bd9Sstevel@tonic-gate uint_t 9697c478bd9Sstevel@tonic-gate di_state(di_node_t node) 9707c478bd9Sstevel@tonic-gate { 9717c478bd9Sstevel@tonic-gate uint_t result = 0; 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate if (di_node_state(node) < DS_ATTACHED) 9747c478bd9Sstevel@tonic-gate result |= DI_DRIVER_DETACHED; 9757c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_OFFLINE) 9767c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9777c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_DOWN) 9784c06356bSdh142964 result |= DI_DEVICE_DOWN; 97925c6ff4bSstephh if (DI_NODE(node)->state & DEVI_DEVICE_DEGRADED) 98025c6ff4bSstephh result |= DI_DEVICE_DEGRADED; 9814c06356bSdh142964 if (DI_NODE(node)->state & DEVI_DEVICE_REMOVED) 9824c06356bSdh142964 result |= DI_DEVICE_REMOVED; 9837c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_QUIESCED) 9847c478bd9Sstevel@tonic-gate result |= DI_BUS_QUIESCED; 9857c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_DOWN) 9867c478bd9Sstevel@tonic-gate result |= DI_BUS_DOWN; 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate return (result); 9897c478bd9Sstevel@tonic-gate } 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate ddi_node_state_t 9927c478bd9Sstevel@tonic-gate di_node_state(di_node_t node) 9937c478bd9Sstevel@tonic-gate { 9947c478bd9Sstevel@tonic-gate return (DI_NODE(node)->node_state); 9957c478bd9Sstevel@tonic-gate } 9967c478bd9Sstevel@tonic-gate 9973e2676e0Svikram uint_t 9983e2676e0Svikram di_flags(di_node_t node) 9993e2676e0Svikram { 10003e2676e0Svikram return (DI_NODE(node)->flags); 10013e2676e0Svikram } 10023e2676e0Svikram 100325e8c5aaSvikram uint_t 100425e8c5aaSvikram di_retired(di_node_t node) 100525e8c5aaSvikram { 100625e8c5aaSvikram return (di_flags(node) & DEVI_RETIRED); 100725e8c5aaSvikram } 100825e8c5aaSvikram 10097c478bd9Sstevel@tonic-gate ddi_devid_t 10107c478bd9Sstevel@tonic-gate di_devid(di_node_t node) 10117c478bd9Sstevel@tonic-gate { 10127c478bd9Sstevel@tonic-gate if (DI_NODE(node)->devid == 0) 10137c478bd9Sstevel@tonic-gate return (NULL); 10147c478bd9Sstevel@tonic-gate 10157c478bd9Sstevel@tonic-gate return ((ddi_devid_t)((caddr_t)node + 10167c478bd9Sstevel@tonic-gate DI_NODE(node)->devid - DI_NODE(node)->self)); 10177c478bd9Sstevel@tonic-gate } 10187c478bd9Sstevel@tonic-gate 10197c478bd9Sstevel@tonic-gate int 10207c478bd9Sstevel@tonic-gate di_driver_major(di_node_t node) 10217c478bd9Sstevel@tonic-gate { 10227c478bd9Sstevel@tonic-gate int major; 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10257c478bd9Sstevel@tonic-gate if (major < 0) 10267c478bd9Sstevel@tonic-gate return (-1); 10277c478bd9Sstevel@tonic-gate return (major); 10287c478bd9Sstevel@tonic-gate } 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate char * 10317c478bd9Sstevel@tonic-gate di_driver_name(di_node_t node) 10327c478bd9Sstevel@tonic-gate { 10337c478bd9Sstevel@tonic-gate int major; 10347c478bd9Sstevel@tonic-gate caddr_t pa; 10357c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10387c478bd9Sstevel@tonic-gate if (major < 0) 10397c478bd9Sstevel@tonic-gate return (NULL); 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10427c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10437c478bd9Sstevel@tonic-gate 10447c478bd9Sstevel@tonic-gate if (devnm[major].name) 10457c478bd9Sstevel@tonic-gate return (pa + devnm[major].name); 10467c478bd9Sstevel@tonic-gate else 10477c478bd9Sstevel@tonic-gate return (NULL); 10487c478bd9Sstevel@tonic-gate } 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate uint_t 10517c478bd9Sstevel@tonic-gate di_driver_ops(di_node_t node) 10527c478bd9Sstevel@tonic-gate { 10537c478bd9Sstevel@tonic-gate int major; 10547c478bd9Sstevel@tonic-gate caddr_t pa; 10557c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10587c478bd9Sstevel@tonic-gate if (major < 0) 10597c478bd9Sstevel@tonic-gate return (0); 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10627c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10637c478bd9Sstevel@tonic-gate 10647c478bd9Sstevel@tonic-gate return (devnm[major].ops); 10657c478bd9Sstevel@tonic-gate } 10667c478bd9Sstevel@tonic-gate 10677c478bd9Sstevel@tonic-gate /* 106825d35568SYuri Pankov * Returns pointer to the allocated string, which must be freed by the caller. 10697c478bd9Sstevel@tonic-gate */ 10707c478bd9Sstevel@tonic-gate char * 10717c478bd9Sstevel@tonic-gate di_devfs_path(di_node_t node) 10727c478bd9Sstevel@tonic-gate { 10737c478bd9Sstevel@tonic-gate caddr_t pa; 10747c478bd9Sstevel@tonic-gate di_node_t parent; 10757c478bd9Sstevel@tonic-gate int depth = 0, len = 0; 10767c478bd9Sstevel@tonic-gate char *buf, *name[MAX_TREE_DEPTH], *addr[MAX_TREE_DEPTH]; 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 10797c478bd9Sstevel@tonic-gate errno = EINVAL; 10807c478bd9Sstevel@tonic-gate return (NULL); 10817c478bd9Sstevel@tonic-gate } 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate /* 10847c478bd9Sstevel@tonic-gate * trace back to root, note the node_name & address 10857c478bd9Sstevel@tonic-gate */ 10867c478bd9Sstevel@tonic-gate while ((parent = di_parent_node(node)) != DI_NODE_NIL) { 10877c478bd9Sstevel@tonic-gate name[depth] = di_node_name(node); 10887c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; /* 1 for '/' */ 10897c478bd9Sstevel@tonic-gate 10907c478bd9Sstevel@tonic-gate if ((addr[depth] = di_bus_addr(node)) != NULL) 10917c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; /* 1 for '@' */ 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate node = parent; 10947c478bd9Sstevel@tonic-gate depth++; 10957c478bd9Sstevel@tonic-gate } 10967c478bd9Sstevel@tonic-gate 10977c478bd9Sstevel@tonic-gate /* 10987c478bd9Sstevel@tonic-gate * get the path to the root of snapshot 10997c478bd9Sstevel@tonic-gate */ 11007c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 11017c478bd9Sstevel@tonic-gate name[depth] = DI_ALL(pa)->root_path; 11027c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11037c478bd9Sstevel@tonic-gate 11047c478bd9Sstevel@tonic-gate /* 11057c478bd9Sstevel@tonic-gate * allocate buffer and assemble path 11067c478bd9Sstevel@tonic-gate */ 11077c478bd9Sstevel@tonic-gate if ((buf = malloc(len)) == NULL) { 11087c478bd9Sstevel@tonic-gate return (NULL); 11097c478bd9Sstevel@tonic-gate } 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate (void) strcpy(buf, name[depth]); 11127c478bd9Sstevel@tonic-gate len = strlen(buf); 11137c478bd9Sstevel@tonic-gate if (buf[len - 1] == '/') 11147c478bd9Sstevel@tonic-gate len--; /* delete trailing '/' */ 11157c478bd9Sstevel@tonic-gate 11167c478bd9Sstevel@tonic-gate while (depth) { 11177c478bd9Sstevel@tonic-gate depth--; 11187c478bd9Sstevel@tonic-gate buf[len] = '/'; 11197c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, name[depth]); 11207c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11217c478bd9Sstevel@tonic-gate if (addr[depth] && addr[depth][0] != '\0') { 11227c478bd9Sstevel@tonic-gate buf[len] = '@'; 11237c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, addr[depth]); 11247c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; 11257c478bd9Sstevel@tonic-gate } 11267c478bd9Sstevel@tonic-gate } 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate return (buf); 11297c478bd9Sstevel@tonic-gate } 11307c478bd9Sstevel@tonic-gate 11317c478bd9Sstevel@tonic-gate char * 11327c478bd9Sstevel@tonic-gate di_devfs_minor_path(di_minor_t minor) 11337c478bd9Sstevel@tonic-gate { 11347c478bd9Sstevel@tonic-gate di_node_t node; 1135602ca9eaScth char *full_path, *name, *devfspath; 11367c478bd9Sstevel@tonic-gate int full_path_len; 11377c478bd9Sstevel@tonic-gate 11387c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 11397c478bd9Sstevel@tonic-gate errno = EINVAL; 11407c478bd9Sstevel@tonic-gate return (NULL); 11417c478bd9Sstevel@tonic-gate } 11427c478bd9Sstevel@tonic-gate 11437c478bd9Sstevel@tonic-gate name = di_minor_name(minor); 11447c478bd9Sstevel@tonic-gate node = di_minor_devinfo(minor); 1145602ca9eaScth devfspath = di_devfs_path(node); 1146602ca9eaScth if (devfspath == NULL) 11477c478bd9Sstevel@tonic-gate return (NULL); 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate /* make the full path to the device minor node */ 1150602ca9eaScth full_path_len = strlen(devfspath) + strlen(name) + 2; 11517c478bd9Sstevel@tonic-gate full_path = (char *)calloc(1, full_path_len); 11527c478bd9Sstevel@tonic-gate if (full_path != NULL) 1153602ca9eaScth (void) snprintf(full_path, full_path_len, "%s:%s", 1154602ca9eaScth devfspath, name); 11557c478bd9Sstevel@tonic-gate 1156602ca9eaScth di_devfs_path_free(devfspath); 11577c478bd9Sstevel@tonic-gate return (full_path); 11587c478bd9Sstevel@tonic-gate } 11597c478bd9Sstevel@tonic-gate 1160602ca9eaScth /* 1161602ca9eaScth * Produce a string representation of path to di_path_t (pathinfo node). This 1162602ca9eaScth * string is identical to di_devfs_path had the device been enumerated under 1163602ca9eaScth * the pHCI: it has a base path to pHCI, then uses node_name of client, and 1164602ca9eaScth * device unit-address of pathinfo node. 1165602ca9eaScth */ 1166602ca9eaScth char * 1167602ca9eaScth di_path_devfs_path(di_path_t path) 1168602ca9eaScth { 1169602ca9eaScth di_node_t phci_node; 1170602ca9eaScth char *phci_path, *path_name, *path_addr; 1171602ca9eaScth char *full_path; 1172602ca9eaScth int full_path_len; 1173602ca9eaScth 1174602ca9eaScth if (path == DI_PATH_NIL) { 1175602ca9eaScth errno = EINVAL; 1176602ca9eaScth return (NULL); 1177602ca9eaScth } 1178602ca9eaScth 1179602ca9eaScth /* get name@addr for path */ 1180602ca9eaScth path_name = di_path_node_name(path); 1181602ca9eaScth path_addr = di_path_bus_addr(path); 1182602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 1183602ca9eaScth return (NULL); 1184602ca9eaScth 1185602ca9eaScth /* base path to pHCI devinfo node */ 1186602ca9eaScth phci_node = di_path_phci_node(path); 1187602ca9eaScth if (phci_node == NULL) 1188602ca9eaScth return (NULL); 1189602ca9eaScth phci_path = di_devfs_path(phci_node); 1190602ca9eaScth if (phci_path == NULL) 1191602ca9eaScth return (NULL); 1192602ca9eaScth 1193602ca9eaScth /* make the full string representation of path */ 1194602ca9eaScth full_path_len = strlen(phci_path) + 1 + strlen(path_name) + 1195602ca9eaScth 1 + strlen(path_addr) + 1; 1196602ca9eaScth full_path = (char *)calloc(1, full_path_len); 1197602ca9eaScth 1198602ca9eaScth if (full_path != NULL) 1199602ca9eaScth (void) snprintf(full_path, full_path_len, "%s/%s@%s", 1200602ca9eaScth phci_path, path_name, path_addr); 1201602ca9eaScth di_devfs_path_free(phci_path); 1202602ca9eaScth return (full_path); 1203602ca9eaScth } 1204602ca9eaScth 1205602ca9eaScth char * 1206602ca9eaScth di_path_client_devfs_path(di_path_t path) 1207602ca9eaScth { 1208602ca9eaScth return (di_devfs_path(di_path_client_node(path))); 1209602ca9eaScth } 1210602ca9eaScth 12117c478bd9Sstevel@tonic-gate void 12127c478bd9Sstevel@tonic-gate di_devfs_path_free(char *buf) 12137c478bd9Sstevel@tonic-gate { 12147c478bd9Sstevel@tonic-gate if (buf == NULL) { 12157c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_devfs_path_free NULL arg!\n")); 12167c478bd9Sstevel@tonic-gate return; 12177c478bd9Sstevel@tonic-gate } 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate free(buf); 12207c478bd9Sstevel@tonic-gate } 12217c478bd9Sstevel@tonic-gate 1222602ca9eaScth /* 1223602ca9eaScth * Return 1 if name is a IEEE-1275 generic name. If new generic 1224602ca9eaScth * names are defined, they should be added to this table 1225602ca9eaScth */ 1226602ca9eaScth static int 1227602ca9eaScth is_generic(const char *name, int len) 1228602ca9eaScth { 1229602ca9eaScth const char **gp; 1230602ca9eaScth 1231602ca9eaScth /* from IEEE-1275 recommended practices section 3 */ 1232602ca9eaScth static const char *generic_names[] = { 1233602ca9eaScth "atm", 1234602ca9eaScth "disk", 1235602ca9eaScth "display", 1236602ca9eaScth "dma-controller", 1237602ca9eaScth "ethernet", 1238602ca9eaScth "fcs", 1239602ca9eaScth "fdc", 1240602ca9eaScth "fddi", 1241602ca9eaScth "fibre-channel", 1242602ca9eaScth "ide", 1243602ca9eaScth "interrupt-controller", 1244602ca9eaScth "isa", 1245602ca9eaScth "keyboard", 1246602ca9eaScth "memory", 1247602ca9eaScth "mouse", 1248602ca9eaScth "nvram", 1249602ca9eaScth "pc-card", 1250602ca9eaScth "pci", 1251602ca9eaScth "printer", 1252602ca9eaScth "rtc", 1253602ca9eaScth "sbus", 1254602ca9eaScth "scanner", 1255602ca9eaScth "scsi", 1256602ca9eaScth "serial", 1257602ca9eaScth "sound", 1258602ca9eaScth "ssa", 1259602ca9eaScth "tape", 1260602ca9eaScth "timer", 1261602ca9eaScth "token-ring", 1262602ca9eaScth "vme", 1263602ca9eaScth 0 1264602ca9eaScth }; 1265602ca9eaScth 1266602ca9eaScth for (gp = generic_names; *gp; gp++) { 1267602ca9eaScth if ((strncmp(*gp, name, len) == 0) && 1268602ca9eaScth (strlen(*gp) == len)) 1269602ca9eaScth return (1); 1270602ca9eaScth } 1271602ca9eaScth return (0); 1272602ca9eaScth } 1273602ca9eaScth 1274602ca9eaScth /* 1275602ca9eaScth * Determine if two paths below /devices refer to the same device, ignoring 1276602ca9eaScth * any generic .vs. non-generic 'name' issues in "[[/]name[@addr[:minor]]]*". 1277602ca9eaScth * Return 1 if the paths match. 1278602ca9eaScth */ 1279602ca9eaScth int 1280602ca9eaScth di_devfs_path_match(const char *dp1, const char *dp2) 1281602ca9eaScth { 1282602ca9eaScth const char *p1, *p2; 1283602ca9eaScth const char *ec1, *ec2; 1284602ca9eaScth const char *at1, *at2; 1285602ca9eaScth char nc; 1286602ca9eaScth int g1, g2; 1287602ca9eaScth 1288602ca9eaScth /* progress through both strings */ 1289602ca9eaScth for (p1 = dp1, p2 = dp2; (*p1 == *p2) && *p1; p1++, p2++) { 1290602ca9eaScth /* require match until the start of a component */ 1291602ca9eaScth if (*p1 != '/') 1292602ca9eaScth continue; 1293602ca9eaScth 1294602ca9eaScth /* advance p1 and p2 to start of 'name' in component */ 1295602ca9eaScth nc = *(p1 + 1); 1296602ca9eaScth if ((nc == '\0') || (nc == '/')) 1297602ca9eaScth continue; /* skip trash */ 1298602ca9eaScth p1++; 1299602ca9eaScth p2++; 1300602ca9eaScth 1301602ca9eaScth /* 1302602ca9eaScth * Both p1 and p2 point to beginning of 'name' in component. 1303602ca9eaScth * Determine where current component ends: next '/' or '\0'. 1304602ca9eaScth */ 1305602ca9eaScth ec1 = strchr(p1, '/'); 1306602ca9eaScth if (ec1 == NULL) 1307602ca9eaScth ec1 = p1 + strlen(p1); 1308602ca9eaScth ec2 = strchr(p2, '/'); 1309602ca9eaScth if (ec2 == NULL) 1310602ca9eaScth ec2 = p2 + strlen(p2); 1311602ca9eaScth 1312602ca9eaScth /* Determine where name ends based on whether '@' exists */ 1313602ca9eaScth at1 = strchr(p1, '@'); 1314602ca9eaScth at2 = strchr(p2, '@'); 1315602ca9eaScth if (at1 && (at1 < ec1)) 1316602ca9eaScth ec1 = at1; 1317602ca9eaScth if (at2 && (at2 < ec2)) 1318602ca9eaScth ec2 = at2; 1319602ca9eaScth 1320602ca9eaScth /* 1321602ca9eaScth * At this point p[12] point to beginning of name and 1322602ca9eaScth * ec[12] point to character past the end of name. Determine 1323602ca9eaScth * if the names are generic. 1324602ca9eaScth */ 1325602ca9eaScth g1 = is_generic(p1, ec1 - p1); 1326602ca9eaScth g2 = is_generic(p2, ec2 - p2); 1327602ca9eaScth 1328602ca9eaScth if (g1 != g2) { 1329602ca9eaScth /* 1330602ca9eaScth * one generic and one non-generic 1331602ca9eaScth * skip past the names in the match. 1332602ca9eaScth */ 1333602ca9eaScth p1 = ec1; 1334602ca9eaScth p2 = ec2; 1335602ca9eaScth } else { 1336602ca9eaScth if (*p1 != *p2) 1337602ca9eaScth break; 1338602ca9eaScth } 1339602ca9eaScth } 1340602ca9eaScth 1341602ca9eaScth return ((*p1 == *p2) ? 1 : 0); 1342602ca9eaScth } 1343602ca9eaScth 13447c478bd9Sstevel@tonic-gate /* minor data access */ 13457c478bd9Sstevel@tonic-gate di_minor_t 13467c478bd9Sstevel@tonic-gate di_minor_next(di_node_t node, di_minor_t minor) 13477c478bd9Sstevel@tonic-gate { 13487c478bd9Sstevel@tonic-gate caddr_t pa; 13497c478bd9Sstevel@tonic-gate 13507c478bd9Sstevel@tonic-gate /* 13517c478bd9Sstevel@tonic-gate * paranoid error checking 13527c478bd9Sstevel@tonic-gate */ 13537c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 13547c478bd9Sstevel@tonic-gate errno = EINVAL; 13557c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13567c478bd9Sstevel@tonic-gate } 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate /* 13597c478bd9Sstevel@tonic-gate * minor is not NIL 13607c478bd9Sstevel@tonic-gate */ 13617c478bd9Sstevel@tonic-gate if (minor != DI_MINOR_NIL) { 13627c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->next != 0) 13637c478bd9Sstevel@tonic-gate return ((di_minor_t)((void *)((caddr_t)minor - 13647c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->next))); 13657c478bd9Sstevel@tonic-gate else { 13667c478bd9Sstevel@tonic-gate errno = ENXIO; 13677c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13687c478bd9Sstevel@tonic-gate } 13697c478bd9Sstevel@tonic-gate } 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate /* 13727c478bd9Sstevel@tonic-gate * minor is NIL-->caller asks for first minor node 13737c478bd9Sstevel@tonic-gate */ 13747c478bd9Sstevel@tonic-gate if (DI_NODE(node)->minor_data != 0) { 13757c478bd9Sstevel@tonic-gate return (DI_MINOR((caddr_t)node - DI_NODE(node)->self + 13767c478bd9Sstevel@tonic-gate DI_NODE(node)->minor_data)); 13777c478bd9Sstevel@tonic-gate } 13787c478bd9Sstevel@tonic-gate 13797c478bd9Sstevel@tonic-gate /* 13807c478bd9Sstevel@tonic-gate * no minor data-->check if snapshot includes minor data 13817c478bd9Sstevel@tonic-gate * in order to set the correct errno 13827c478bd9Sstevel@tonic-gate */ 13837c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 13847c478bd9Sstevel@tonic-gate if (DINFOMINOR & DI_ALL(pa)->command) 13857c478bd9Sstevel@tonic-gate errno = ENXIO; 13867c478bd9Sstevel@tonic-gate else 13877c478bd9Sstevel@tonic-gate errno = ENOTSUP; 13887c478bd9Sstevel@tonic-gate 13897c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13907c478bd9Sstevel@tonic-gate } 13917c478bd9Sstevel@tonic-gate 13927c478bd9Sstevel@tonic-gate /* private interface for dealing with alias minor link generation */ 13937c478bd9Sstevel@tonic-gate di_node_t 13947c478bd9Sstevel@tonic-gate di_minor_devinfo(di_minor_t minor) 13957c478bd9Sstevel@tonic-gate { 13967c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 13977c478bd9Sstevel@tonic-gate errno = EINVAL; 13987c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 13997c478bd9Sstevel@tonic-gate } 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)minor - DI_MINOR(minor)->self + 14027c478bd9Sstevel@tonic-gate DI_MINOR(minor)->node)); 14037c478bd9Sstevel@tonic-gate } 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate ddi_minor_type 14067c478bd9Sstevel@tonic-gate di_minor_type(di_minor_t minor) 14077c478bd9Sstevel@tonic-gate { 14087c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->type); 14097c478bd9Sstevel@tonic-gate } 14107c478bd9Sstevel@tonic-gate 14117c478bd9Sstevel@tonic-gate char * 14127c478bd9Sstevel@tonic-gate di_minor_name(di_minor_t minor) 14137c478bd9Sstevel@tonic-gate { 14147c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->name == 0) 14157c478bd9Sstevel@tonic-gate return (NULL); 14167c478bd9Sstevel@tonic-gate 14177c478bd9Sstevel@tonic-gate return ((caddr_t)minor - DI_MINOR(minor)->self + DI_MINOR(minor)->name); 14187c478bd9Sstevel@tonic-gate } 14197c478bd9Sstevel@tonic-gate 14207c478bd9Sstevel@tonic-gate dev_t 14217c478bd9Sstevel@tonic-gate di_minor_devt(di_minor_t minor) 14227c478bd9Sstevel@tonic-gate { 14237c478bd9Sstevel@tonic-gate return (makedev(DI_MINOR(minor)->dev_major, 14247c478bd9Sstevel@tonic-gate DI_MINOR(minor)->dev_minor)); 14257c478bd9Sstevel@tonic-gate } 14267c478bd9Sstevel@tonic-gate 14277c478bd9Sstevel@tonic-gate int 14287c478bd9Sstevel@tonic-gate di_minor_spectype(di_minor_t minor) 14297c478bd9Sstevel@tonic-gate { 14307c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->spec_type); 14317c478bd9Sstevel@tonic-gate } 14327c478bd9Sstevel@tonic-gate 14337c478bd9Sstevel@tonic-gate char * 14347c478bd9Sstevel@tonic-gate di_minor_nodetype(di_minor_t minor) 14357c478bd9Sstevel@tonic-gate { 14367c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->node_type == 0) 14377c478bd9Sstevel@tonic-gate return (NULL); 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate return ((caddr_t)minor - 14407c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->node_type); 14417c478bd9Sstevel@tonic-gate } 14427c478bd9Sstevel@tonic-gate 14437c478bd9Sstevel@tonic-gate /* 14447c478bd9Sstevel@tonic-gate * Single public interface for accessing software properties 14457c478bd9Sstevel@tonic-gate */ 14467c478bd9Sstevel@tonic-gate di_prop_t 14477c478bd9Sstevel@tonic-gate di_prop_next(di_node_t node, di_prop_t prop) 14487c478bd9Sstevel@tonic-gate { 14497c478bd9Sstevel@tonic-gate int list = DI_PROP_DRV_LIST; 14507c478bd9Sstevel@tonic-gate 14517c478bd9Sstevel@tonic-gate /* 14527c478bd9Sstevel@tonic-gate * paranoid check 14537c478bd9Sstevel@tonic-gate */ 14547c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 14557c478bd9Sstevel@tonic-gate errno = EINVAL; 14567c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14577c478bd9Sstevel@tonic-gate } 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate /* 14607c478bd9Sstevel@tonic-gate * Find which prop list we are at 14617c478bd9Sstevel@tonic-gate */ 14627c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) 14637c478bd9Sstevel@tonic-gate list = DI_PROP(prop)->prop_list; 14647c478bd9Sstevel@tonic-gate 14657c478bd9Sstevel@tonic-gate do { 14667c478bd9Sstevel@tonic-gate switch (list++) { 14677c478bd9Sstevel@tonic-gate case DI_PROP_DRV_LIST: 14687c478bd9Sstevel@tonic-gate prop = di_prop_drv_next(node, prop); 14697c478bd9Sstevel@tonic-gate break; 14707c478bd9Sstevel@tonic-gate case DI_PROP_SYS_LIST: 14717c478bd9Sstevel@tonic-gate prop = di_prop_sys_next(node, prop); 14727c478bd9Sstevel@tonic-gate break; 14737c478bd9Sstevel@tonic-gate case DI_PROP_GLB_LIST: 14747c478bd9Sstevel@tonic-gate prop = di_prop_global_next(node, prop); 14757c478bd9Sstevel@tonic-gate break; 14767c478bd9Sstevel@tonic-gate case DI_PROP_HW_LIST: 14777c478bd9Sstevel@tonic-gate prop = di_prop_hw_next(node, prop); 14787c478bd9Sstevel@tonic-gate break; 14797c478bd9Sstevel@tonic-gate default: /* shouldn't happen */ 14807c478bd9Sstevel@tonic-gate errno = EFAULT; 14817c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14827c478bd9Sstevel@tonic-gate } 14837c478bd9Sstevel@tonic-gate } while ((prop == DI_PROP_NIL) && (list <= DI_PROP_HW_LIST)); 14847c478bd9Sstevel@tonic-gate 14857c478bd9Sstevel@tonic-gate return (prop); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate dev_t 14897c478bd9Sstevel@tonic-gate di_prop_devt(di_prop_t prop) 14907c478bd9Sstevel@tonic-gate { 14917c478bd9Sstevel@tonic-gate return (makedev(DI_PROP(prop)->dev_major, DI_PROP(prop)->dev_minor)); 14927c478bd9Sstevel@tonic-gate } 14937c478bd9Sstevel@tonic-gate 14947c478bd9Sstevel@tonic-gate char * 14957c478bd9Sstevel@tonic-gate di_prop_name(di_prop_t prop) 14967c478bd9Sstevel@tonic-gate { 14977c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_name == 0) 14987c478bd9Sstevel@tonic-gate return (NULL); 14997c478bd9Sstevel@tonic-gate 15007c478bd9Sstevel@tonic-gate return ((caddr_t)prop - DI_PROP(prop)->self + DI_PROP(prop)->prop_name); 15017c478bd9Sstevel@tonic-gate } 15027c478bd9Sstevel@tonic-gate 15037c478bd9Sstevel@tonic-gate int 15047c478bd9Sstevel@tonic-gate di_prop_type(di_prop_t prop) 15057c478bd9Sstevel@tonic-gate { 15067c478bd9Sstevel@tonic-gate uint_t flags = DI_PROP(prop)->prop_flags; 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) 15097c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNDEF_IT); 15107c478bd9Sstevel@tonic-gate 15117c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15127c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BOOLEAN); 15137c478bd9Sstevel@tonic-gate 15147c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_TYPE_MASK) == DDI_PROP_TYPE_ANY) 15157c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15167c478bd9Sstevel@tonic-gate 15177c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT) 15187c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 15197c478bd9Sstevel@tonic-gate 15207c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT64) 15217c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_STRING) 15247c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_BYTE) 15277c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 15287c478bd9Sstevel@tonic-gate 15297c478bd9Sstevel@tonic-gate /* 15307c478bd9Sstevel@tonic-gate * Shouldn't get here. In case we do, return unknown type. 15317c478bd9Sstevel@tonic-gate * 15327c478bd9Sstevel@tonic-gate * XXX--When DDI_PROP_TYPE_COMPOSITE is implemented, we need 15337c478bd9Sstevel@tonic-gate * to add DI_PROP_TYPE_COMPOSITE. 15347c478bd9Sstevel@tonic-gate */ 15357c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unimplemented property type: 0x%x\n", flags)); 15367c478bd9Sstevel@tonic-gate 15377c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15387c478bd9Sstevel@tonic-gate } 15397c478bd9Sstevel@tonic-gate 15407c478bd9Sstevel@tonic-gate /* 15417c478bd9Sstevel@tonic-gate * Extract type-specific values of an property 15427c478bd9Sstevel@tonic-gate */ 15437c478bd9Sstevel@tonic-gate extern int di_prop_decode_common(void *prop_data, int len, 15447c478bd9Sstevel@tonic-gate int ddi_type, int prom); 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate int 15477c478bd9Sstevel@tonic-gate di_prop_ints(di_prop_t prop, int **prop_data) 15487c478bd9Sstevel@tonic-gate { 15497c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15507c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15517c478bd9Sstevel@tonic-gate 15527c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15537c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15547c478bd9Sstevel@tonic-gate errno = EFAULT; 15557c478bd9Sstevel@tonic-gate *prop_data = NULL; 15567c478bd9Sstevel@tonic-gate return (-1); 15577c478bd9Sstevel@tonic-gate } 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15607c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15637c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 15647c478bd9Sstevel@tonic-gate } 15657c478bd9Sstevel@tonic-gate 15667c478bd9Sstevel@tonic-gate int 15677c478bd9Sstevel@tonic-gate di_prop_int64(di_prop_t prop, int64_t **prop_data) 15687c478bd9Sstevel@tonic-gate { 15697c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15707c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15717c478bd9Sstevel@tonic-gate 15727c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15737c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15747c478bd9Sstevel@tonic-gate errno = EFAULT; 15757c478bd9Sstevel@tonic-gate *prop_data = NULL; 15767c478bd9Sstevel@tonic-gate return (-1); 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15807c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15837c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 15847c478bd9Sstevel@tonic-gate } 15857c478bd9Sstevel@tonic-gate 15867c478bd9Sstevel@tonic-gate int 15877c478bd9Sstevel@tonic-gate di_prop_strings(di_prop_t prop, char **prop_data) 15887c478bd9Sstevel@tonic-gate { 15897c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15907c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15937c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15947c478bd9Sstevel@tonic-gate errno = EFAULT; 15957c478bd9Sstevel@tonic-gate *prop_data = NULL; 15967c478bd9Sstevel@tonic-gate return (-1); 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate 15997c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PROP(prop)->self 16007c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16037c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 16047c478bd9Sstevel@tonic-gate } 16057c478bd9Sstevel@tonic-gate 16067c478bd9Sstevel@tonic-gate int 16077c478bd9Sstevel@tonic-gate di_prop_bytes(di_prop_t prop, uchar_t **prop_data) 16087c478bd9Sstevel@tonic-gate { 16097c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 16107c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 16117c478bd9Sstevel@tonic-gate 16127c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 16137c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 16147c478bd9Sstevel@tonic-gate errno = EFAULT; 16157c478bd9Sstevel@tonic-gate *prop_data = NULL; 16167c478bd9Sstevel@tonic-gate return (-1); 16177c478bd9Sstevel@tonic-gate } 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self 16207c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 16217c478bd9Sstevel@tonic-gate 16227c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16237c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 16247c478bd9Sstevel@tonic-gate } 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate /* 16277c478bd9Sstevel@tonic-gate * returns 1 for match, 0 for no match 16287c478bd9Sstevel@tonic-gate */ 16297c478bd9Sstevel@tonic-gate static int 16307c478bd9Sstevel@tonic-gate match_prop(di_prop_t prop, dev_t match_dev, const char *name, int type) 16317c478bd9Sstevel@tonic-gate { 16327c478bd9Sstevel@tonic-gate int prop_type; 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate #ifdef DEBUG 16357c478bd9Sstevel@tonic-gate if (di_prop_name(prop) == NULL) { 16367c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "libdevinfo: property has no name!\n")); 16377c478bd9Sstevel@tonic-gate return (0); 16387c478bd9Sstevel@tonic-gate } 16397c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 16407c478bd9Sstevel@tonic-gate 16417c478bd9Sstevel@tonic-gate if (strcmp(name, di_prop_name(prop)) != 0) 16427c478bd9Sstevel@tonic-gate return (0); 16437c478bd9Sstevel@tonic-gate 16447c478bd9Sstevel@tonic-gate if ((match_dev != DDI_DEV_T_ANY) && (di_prop_devt(prop) != match_dev)) 16457c478bd9Sstevel@tonic-gate return (0); 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate /* 16487c478bd9Sstevel@tonic-gate * XXX prop_type is different from DDI_*. See PSARC 1997/127. 16497c478bd9Sstevel@tonic-gate */ 16507c478bd9Sstevel@tonic-gate prop_type = di_prop_type(prop); 16517c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type) && 16527c478bd9Sstevel@tonic-gate (prop_type != DI_PROP_TYPE_BOOLEAN)) 16537c478bd9Sstevel@tonic-gate return (0); 16547c478bd9Sstevel@tonic-gate 16557c478bd9Sstevel@tonic-gate return (1); 16567c478bd9Sstevel@tonic-gate } 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate static di_prop_t 16597c478bd9Sstevel@tonic-gate di_prop_search(dev_t match_dev, di_node_t node, const char *name, 16607c478bd9Sstevel@tonic-gate int type) 16617c478bd9Sstevel@tonic-gate { 16627c478bd9Sstevel@tonic-gate di_prop_t prop = DI_PROP_NIL; 16637c478bd9Sstevel@tonic-gate 16647c478bd9Sstevel@tonic-gate /* 16657c478bd9Sstevel@tonic-gate * The check on match_dev follows ddi_prop_lookup_common(). 16667c478bd9Sstevel@tonic-gate * Other checks are libdevinfo specific implementation. 16677c478bd9Sstevel@tonic-gate */ 16687c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16697c478bd9Sstevel@tonic-gate (match_dev == DDI_DEV_T_NONE) || !DI_PROP_TYPE_VALID(type)) { 16707c478bd9Sstevel@tonic-gate errno = EINVAL; 16717c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16727c478bd9Sstevel@tonic-gate } 16737c478bd9Sstevel@tonic-gate 16747c478bd9Sstevel@tonic-gate while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16757c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match prop name %s, devt 0x%lx, type %d\n", 16767c478bd9Sstevel@tonic-gate di_prop_name(prop), di_prop_devt(prop), 16777c478bd9Sstevel@tonic-gate di_prop_type(prop))); 16787c478bd9Sstevel@tonic-gate if (match_prop(prop, match_dev, name, type)) 16797c478bd9Sstevel@tonic-gate return (prop); 16807c478bd9Sstevel@tonic-gate } 16817c478bd9Sstevel@tonic-gate 16827c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16837c478bd9Sstevel@tonic-gate } 16847c478bd9Sstevel@tonic-gate 16853ebafc43Sjveta di_prop_t 16863ebafc43Sjveta di_prop_find(dev_t match_dev, di_node_t node, const char *name) 16873ebafc43Sjveta { 16883ebafc43Sjveta di_prop_t prop = DI_PROP_NIL; 16893ebafc43Sjveta 16903ebafc43Sjveta if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16913ebafc43Sjveta (match_dev == DDI_DEV_T_NONE)) { 16923ebafc43Sjveta errno = EINVAL; 16933ebafc43Sjveta return (DI_PROP_NIL); 16943ebafc43Sjveta } 16953ebafc43Sjveta 16963ebafc43Sjveta while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16973ebafc43Sjveta DPRINTF((DI_TRACE1, "found prop name %s, devt 0x%lx, type %d\n", 16983ebafc43Sjveta di_prop_name(prop), di_prop_devt(prop), 16993ebafc43Sjveta di_prop_type(prop))); 17003ebafc43Sjveta 17013ebafc43Sjveta if (strcmp(name, di_prop_name(prop)) == 0 && 17023ebafc43Sjveta (match_dev == DDI_DEV_T_ANY || 17033ebafc43Sjveta di_prop_devt(prop) == match_dev)) 17043ebafc43Sjveta return (prop); 17053ebafc43Sjveta } 17063ebafc43Sjveta 17073ebafc43Sjveta return (DI_PROP_NIL); 17083ebafc43Sjveta } 17093ebafc43Sjveta 17107c478bd9Sstevel@tonic-gate int 17117c478bd9Sstevel@tonic-gate di_prop_lookup_ints(dev_t dev, di_node_t node, const char *prop_name, 17127c478bd9Sstevel@tonic-gate int **prop_data) 17137c478bd9Sstevel@tonic-gate { 17147c478bd9Sstevel@tonic-gate di_prop_t prop; 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17177c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 17187c478bd9Sstevel@tonic-gate return (-1); 17197c478bd9Sstevel@tonic-gate 17207c478bd9Sstevel@tonic-gate return (di_prop_ints(prop, (void *)prop_data)); 17217c478bd9Sstevel@tonic-gate } 17227c478bd9Sstevel@tonic-gate 17237c478bd9Sstevel@tonic-gate int 17247c478bd9Sstevel@tonic-gate di_prop_lookup_int64(dev_t dev, di_node_t node, const char *prop_name, 17257c478bd9Sstevel@tonic-gate int64_t **prop_data) 17267c478bd9Sstevel@tonic-gate { 17277c478bd9Sstevel@tonic-gate di_prop_t prop; 17287c478bd9Sstevel@tonic-gate 17297c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17307c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 17317c478bd9Sstevel@tonic-gate return (-1); 17327c478bd9Sstevel@tonic-gate 17337c478bd9Sstevel@tonic-gate return (di_prop_int64(prop, (void *)prop_data)); 17347c478bd9Sstevel@tonic-gate } 17357c478bd9Sstevel@tonic-gate 17367c478bd9Sstevel@tonic-gate int 17377c478bd9Sstevel@tonic-gate di_prop_lookup_strings(dev_t dev, di_node_t node, const char *prop_name, 17387c478bd9Sstevel@tonic-gate char **prop_data) 17397c478bd9Sstevel@tonic-gate { 17407c478bd9Sstevel@tonic-gate di_prop_t prop; 17417c478bd9Sstevel@tonic-gate 17427c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17437c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 17447c478bd9Sstevel@tonic-gate return (-1); 17457c478bd9Sstevel@tonic-gate 17467c478bd9Sstevel@tonic-gate return (di_prop_strings(prop, (void *)prop_data)); 17477c478bd9Sstevel@tonic-gate } 17487c478bd9Sstevel@tonic-gate 17497c478bd9Sstevel@tonic-gate int 17507c478bd9Sstevel@tonic-gate di_prop_lookup_bytes(dev_t dev, di_node_t node, const char *prop_name, 17517c478bd9Sstevel@tonic-gate uchar_t **prop_data) 17527c478bd9Sstevel@tonic-gate { 17537c478bd9Sstevel@tonic-gate di_prop_t prop; 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17567c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 17577c478bd9Sstevel@tonic-gate return (-1); 17587c478bd9Sstevel@tonic-gate 17597c478bd9Sstevel@tonic-gate return (di_prop_bytes(prop, (void *)prop_data)); 17607c478bd9Sstevel@tonic-gate } 17617c478bd9Sstevel@tonic-gate 17627c478bd9Sstevel@tonic-gate /* 17637c478bd9Sstevel@tonic-gate * Consolidation private property access functions 17647c478bd9Sstevel@tonic-gate */ 17657c478bd9Sstevel@tonic-gate enum prop_type { 17667c478bd9Sstevel@tonic-gate PROP_TYPE_DRV, 17677c478bd9Sstevel@tonic-gate PROP_TYPE_SYS, 17687c478bd9Sstevel@tonic-gate PROP_TYPE_GLOB, 17697c478bd9Sstevel@tonic-gate PROP_TYPE_HW 17707c478bd9Sstevel@tonic-gate }; 17717c478bd9Sstevel@tonic-gate 17727c478bd9Sstevel@tonic-gate static di_prop_t 17737c478bd9Sstevel@tonic-gate di_prop_next_common(di_node_t node, di_prop_t prop, int prop_type) 17747c478bd9Sstevel@tonic-gate { 17757c478bd9Sstevel@tonic-gate caddr_t pa; 17767c478bd9Sstevel@tonic-gate di_off_t prop_off = 0; 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 17797c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next) { 17807c478bd9Sstevel@tonic-gate return (DI_PROP((caddr_t)prop - 17817c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 17827c478bd9Sstevel@tonic-gate } else { 17837c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 17847c478bd9Sstevel@tonic-gate } 17857c478bd9Sstevel@tonic-gate } 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate /* 17897c478bd9Sstevel@tonic-gate * prop is NIL, caller asks for first property 17907c478bd9Sstevel@tonic-gate */ 17917c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17927c478bd9Sstevel@tonic-gate switch (prop_type) { 17937c478bd9Sstevel@tonic-gate case PROP_TYPE_DRV: 17947c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->drv_prop; 17957c478bd9Sstevel@tonic-gate break; 17967c478bd9Sstevel@tonic-gate case PROP_TYPE_SYS: 17977c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->sys_prop; 17987c478bd9Sstevel@tonic-gate break; 17997c478bd9Sstevel@tonic-gate case PROP_TYPE_HW: 18007c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->hw_prop; 18017c478bd9Sstevel@tonic-gate break; 18027c478bd9Sstevel@tonic-gate case PROP_TYPE_GLOB: 18037c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->glob_prop; 18047c478bd9Sstevel@tonic-gate if (prop_off == -1) { 18057c478bd9Sstevel@tonic-gate /* no global property */ 18067c478bd9Sstevel@tonic-gate prop_off = 0; 18077c478bd9Sstevel@tonic-gate } else if ((prop_off == 0) && (DI_NODE(node)->drv_major >= 0)) { 18087c478bd9Sstevel@tonic-gate /* refer to devnames array */ 18097c478bd9Sstevel@tonic-gate struct di_devnm *devnm = DI_DEVNM(pa + 18107c478bd9Sstevel@tonic-gate DI_ALL(pa)->devnames + (DI_NODE(node)->drv_major * 18117c478bd9Sstevel@tonic-gate sizeof (struct di_devnm))); 18127c478bd9Sstevel@tonic-gate prop_off = devnm->global_prop; 18137c478bd9Sstevel@tonic-gate } 18147c478bd9Sstevel@tonic-gate break; 18157c478bd9Sstevel@tonic-gate } 18167c478bd9Sstevel@tonic-gate 18177c478bd9Sstevel@tonic-gate if (prop_off) { 18187c478bd9Sstevel@tonic-gate return (DI_PROP(pa + prop_off)); 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate /* 18227c478bd9Sstevel@tonic-gate * no prop found. Check the reason for not found 18237c478bd9Sstevel@tonic-gate */ 18247c478bd9Sstevel@tonic-gate if (DINFOPROP & DI_ALL(pa)->command) 18257c478bd9Sstevel@tonic-gate errno = ENXIO; 18267c478bd9Sstevel@tonic-gate else 18277c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18287c478bd9Sstevel@tonic-gate 18297c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18307c478bd9Sstevel@tonic-gate } 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate di_prop_t 18337c478bd9Sstevel@tonic-gate di_prop_drv_next(di_node_t node, di_prop_t prop) 18347c478bd9Sstevel@tonic-gate { 18357c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_DRV)); 18367c478bd9Sstevel@tonic-gate } 18377c478bd9Sstevel@tonic-gate 18387c478bd9Sstevel@tonic-gate di_prop_t 18397c478bd9Sstevel@tonic-gate di_prop_sys_next(di_node_t node, di_prop_t prop) 18407c478bd9Sstevel@tonic-gate { 18417c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_SYS)); 18427c478bd9Sstevel@tonic-gate } 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate di_prop_t 18457c478bd9Sstevel@tonic-gate di_prop_global_next(di_node_t node, di_prop_t prop) 18467c478bd9Sstevel@tonic-gate { 18477c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_GLOB)); 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate di_prop_t 18517c478bd9Sstevel@tonic-gate di_prop_hw_next(di_node_t node, di_prop_t prop) 18527c478bd9Sstevel@tonic-gate { 18537c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_HW)); 18547c478bd9Sstevel@tonic-gate } 18557c478bd9Sstevel@tonic-gate 18567c478bd9Sstevel@tonic-gate int 18577c478bd9Sstevel@tonic-gate di_prop_rawdata(di_prop_t prop, uchar_t **prop_data) 18587c478bd9Sstevel@tonic-gate { 18597c478bd9Sstevel@tonic-gate #ifdef DEBUG 18607c478bd9Sstevel@tonic-gate if (prop == DI_PROP_NIL) { 18617c478bd9Sstevel@tonic-gate errno = EINVAL; 18627c478bd9Sstevel@tonic-gate return (-1); 18637c478bd9Sstevel@tonic-gate } 18647c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 18657c478bd9Sstevel@tonic-gate 18667c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) { 18677c478bd9Sstevel@tonic-gate *prop_data = NULL; 18687c478bd9Sstevel@tonic-gate return (0); 18697c478bd9Sstevel@tonic-gate } 18707c478bd9Sstevel@tonic-gate 18717c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 18727c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 18737c478bd9Sstevel@tonic-gate errno = EFAULT; 18747c478bd9Sstevel@tonic-gate *prop_data = NULL; 18757c478bd9Sstevel@tonic-gate return (-1); 18767c478bd9Sstevel@tonic-gate } 18777c478bd9Sstevel@tonic-gate 18787c478bd9Sstevel@tonic-gate /* 18797c478bd9Sstevel@tonic-gate * No memory allocation. 18807c478bd9Sstevel@tonic-gate */ 18817c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self + 18827c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_data); 18837c478bd9Sstevel@tonic-gate 18847c478bd9Sstevel@tonic-gate return (DI_PROP(prop)->prop_len); 18857c478bd9Sstevel@tonic-gate } 18867c478bd9Sstevel@tonic-gate 18877c478bd9Sstevel@tonic-gate /* 18887c478bd9Sstevel@tonic-gate * Consolidation private interfaces for accessing I/O multipathing data 18897c478bd9Sstevel@tonic-gate */ 18907c478bd9Sstevel@tonic-gate di_path_t 1891602ca9eaScth di_path_phci_next_path(di_node_t node, di_path_t path) 18927c478bd9Sstevel@tonic-gate { 18937c478bd9Sstevel@tonic-gate caddr_t pa; 18947c478bd9Sstevel@tonic-gate 18957c478bd9Sstevel@tonic-gate /* 18967c478bd9Sstevel@tonic-gate * path is not NIL 18977c478bd9Sstevel@tonic-gate */ 18987c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 18997c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_p_link != 0) 19007c478bd9Sstevel@tonic-gate return (DI_PATH((void *)((caddr_t)path - 19017c478bd9Sstevel@tonic-gate DI_PATH(path)->self + DI_PATH(path)->path_p_link))); 19027c478bd9Sstevel@tonic-gate else { 19037c478bd9Sstevel@tonic-gate errno = ENXIO; 19047c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19057c478bd9Sstevel@tonic-gate } 19067c478bd9Sstevel@tonic-gate } 19077c478bd9Sstevel@tonic-gate 19087c478bd9Sstevel@tonic-gate /* 19097c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19107c478bd9Sstevel@tonic-gate */ 19117c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_phci != 0) { 1912602ca9eaScth DPRINTF((DI_INFO, "phci_next_path: returning %p\n", 1913602ca9eaScth ((caddr_t)node - 19147c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_phci))); 19157c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19167c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_phci)); 19177c478bd9Sstevel@tonic-gate } 19187c478bd9Sstevel@tonic-gate 19197c478bd9Sstevel@tonic-gate /* 19207c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19217c478bd9Sstevel@tonic-gate * to set errno properly. 19227c478bd9Sstevel@tonic-gate */ 19237c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19247c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19257c478bd9Sstevel@tonic-gate errno = ENXIO; 19267c478bd9Sstevel@tonic-gate else 19277c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19307c478bd9Sstevel@tonic-gate } 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate di_path_t 1933602ca9eaScth di_path_client_next_path(di_node_t node, di_path_t path) 19347c478bd9Sstevel@tonic-gate { 19357c478bd9Sstevel@tonic-gate caddr_t pa; 19367c478bd9Sstevel@tonic-gate 19377c478bd9Sstevel@tonic-gate /* 19387c478bd9Sstevel@tonic-gate * path is not NIL 19397c478bd9Sstevel@tonic-gate */ 19407c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 19417c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_c_link != 0) 19427c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)path - DI_PATH(path)->self 19437c478bd9Sstevel@tonic-gate + DI_PATH(path)->path_c_link)); 19447c478bd9Sstevel@tonic-gate else { 19457c478bd9Sstevel@tonic-gate errno = ENXIO; 19467c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19477c478bd9Sstevel@tonic-gate } 19487c478bd9Sstevel@tonic-gate } 19497c478bd9Sstevel@tonic-gate 19507c478bd9Sstevel@tonic-gate /* 19517c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19527c478bd9Sstevel@tonic-gate */ 19537c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client != 0) { 1954602ca9eaScth DPRINTF((DI_INFO, "client_next_path: returning %p\n", 1955602ca9eaScth ((caddr_t)node - 19567c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_client))); 19577c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19587c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_client)); 19597c478bd9Sstevel@tonic-gate } 19607c478bd9Sstevel@tonic-gate 19617c478bd9Sstevel@tonic-gate /* 19627c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19637c478bd9Sstevel@tonic-gate * to set errno properly. 19647c478bd9Sstevel@tonic-gate */ 19657c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19667c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19677c478bd9Sstevel@tonic-gate errno = ENXIO; 19687c478bd9Sstevel@tonic-gate else 19697c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19707c478bd9Sstevel@tonic-gate 19717c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19727c478bd9Sstevel@tonic-gate } 19737c478bd9Sstevel@tonic-gate 19747c478bd9Sstevel@tonic-gate /* 1975602ca9eaScth * XXX Remove the private di_path_(addr,next,next_phci,next_client) interfaces 1976602ca9eaScth * below after NWS consolidation switches to using di_path_bus_addr, 1977602ca9eaScth * di_path_phci_next_path, and di_path_client_next_path per CR6638521. 19787c478bd9Sstevel@tonic-gate */ 19797c478bd9Sstevel@tonic-gate char * 19807c478bd9Sstevel@tonic-gate di_path_addr(di_path_t path, char *buf) 19817c478bd9Sstevel@tonic-gate { 19827c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 19857c478bd9Sstevel@tonic-gate 19867c478bd9Sstevel@tonic-gate (void) strncpy(buf, (char *)(pa + DI_PATH(path)->path_addr), 19877c478bd9Sstevel@tonic-gate MAXPATHLEN); 19887c478bd9Sstevel@tonic-gate return (buf); 19897c478bd9Sstevel@tonic-gate } 1990602ca9eaScth di_path_t 1991602ca9eaScth di_path_next(di_node_t node, di_path_t path) 1992602ca9eaScth { 1993602ca9eaScth if (node == DI_NODE_NIL) { 1994602ca9eaScth errno = EINVAL; 1995602ca9eaScth return (DI_PATH_NIL); 1996602ca9eaScth } 1997602ca9eaScth 1998602ca9eaScth if (DI_NODE(node)->multipath_client) { 1999602ca9eaScth return (di_path_client_next_path(node, path)); 2000602ca9eaScth } else if (DI_NODE(node)->multipath_phci) { 2001602ca9eaScth return (di_path_phci_next_path(node, path)); 2002602ca9eaScth } else { 2003602ca9eaScth /* 2004602ca9eaScth * The node had multipathing data but didn't appear to be a 2005602ca9eaScth * phci *or* a client; probably a programmer error. 2006602ca9eaScth */ 2007602ca9eaScth errno = EINVAL; 2008602ca9eaScth return (DI_PATH_NIL); 2009602ca9eaScth } 2010602ca9eaScth } 2011602ca9eaScth di_path_t 2012602ca9eaScth di_path_next_phci(di_node_t node, di_path_t path) 2013602ca9eaScth { 2014602ca9eaScth return (di_path_client_next_path(node, path)); 2015602ca9eaScth } 2016602ca9eaScth di_path_t 2017602ca9eaScth di_path_next_client(di_node_t node, di_path_t path) 2018602ca9eaScth { 2019602ca9eaScth return (di_path_phci_next_path(node, path)); 2020602ca9eaScth } 2021602ca9eaScth 2022602ca9eaScth 2023602ca9eaScth 2024602ca9eaScth 2025602ca9eaScth di_path_state_t 2026602ca9eaScth di_path_state(di_path_t path) 2027602ca9eaScth { 2028602ca9eaScth return ((di_path_state_t)DI_PATH(path)->path_state); 2029602ca9eaScth } 2030602ca9eaScth 20314c06356bSdh142964 uint_t 20324c06356bSdh142964 di_path_flags(di_path_t path) 20334c06356bSdh142964 { 20344c06356bSdh142964 return (DI_PATH(path)->path_flags); 20354c06356bSdh142964 } 20364c06356bSdh142964 2037602ca9eaScth char * 2038602ca9eaScth di_path_node_name(di_path_t path) 2039602ca9eaScth { 2040602ca9eaScth di_node_t client_node; 2041602ca9eaScth 2042602ca9eaScth /* pathinfo gets node_name from client */ 2043602ca9eaScth if ((client_node = di_path_client_node(path)) == NULL) 2044602ca9eaScth return (NULL); 2045602ca9eaScth return (di_node_name(client_node)); 2046602ca9eaScth } 2047602ca9eaScth 2048602ca9eaScth char * 2049602ca9eaScth di_path_bus_addr(di_path_t path) 2050602ca9eaScth { 2051602ca9eaScth caddr_t pa = (caddr_t)path - DI_PATH(path)->self; 2052602ca9eaScth 2053602ca9eaScth if (DI_PATH(path)->path_addr == 0) 2054602ca9eaScth return (NULL); 2055602ca9eaScth 2056602ca9eaScth return ((char *)(pa + DI_PATH(path)->path_addr)); 2057602ca9eaScth } 2058602ca9eaScth 2059602ca9eaScth int 2060602ca9eaScth di_path_instance(di_path_t path) 2061602ca9eaScth { 2062602ca9eaScth return (DI_PATH(path)->path_instance); 2063602ca9eaScth } 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate di_node_t 20667c478bd9Sstevel@tonic-gate di_path_client_node(di_path_t path) 20677c478bd9Sstevel@tonic-gate { 20687c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 20697c478bd9Sstevel@tonic-gate 20707c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 20717c478bd9Sstevel@tonic-gate errno = EINVAL; 20727c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 20737c478bd9Sstevel@tonic-gate } 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get client node for path %p\n", path)); 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 20787c478bd9Sstevel@tonic-gate 20797c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_client) { 20807c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_client)); 20817c478bd9Sstevel@tonic-gate } 20827c478bd9Sstevel@tonic-gate 20837c478bd9Sstevel@tonic-gate /* 20847c478bd9Sstevel@tonic-gate * Deal with error condition: 20857c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 20867c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 20877c478bd9Sstevel@tonic-gate */ 20887c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOCLIENT) == 0) 20897c478bd9Sstevel@tonic-gate errno = ENOTSUP; 20907c478bd9Sstevel@tonic-gate else 20917c478bd9Sstevel@tonic-gate errno = ENXIO; 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 20947c478bd9Sstevel@tonic-gate } 20957c478bd9Sstevel@tonic-gate 20967c478bd9Sstevel@tonic-gate di_node_t 20977c478bd9Sstevel@tonic-gate di_path_phci_node(di_path_t path) 20987c478bd9Sstevel@tonic-gate { 20997c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 21007c478bd9Sstevel@tonic-gate 21017c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 21027c478bd9Sstevel@tonic-gate errno = EINVAL; 21037c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 21047c478bd9Sstevel@tonic-gate } 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get phci node for path %p\n", path)); 21077c478bd9Sstevel@tonic-gate 21087c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21097c478bd9Sstevel@tonic-gate 21107c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_phci) { 21117c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_phci)); 21127c478bd9Sstevel@tonic-gate } 21137c478bd9Sstevel@tonic-gate 21147c478bd9Sstevel@tonic-gate /* 21157c478bd9Sstevel@tonic-gate * Deal with error condition: 21167c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 21177c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 21187c478bd9Sstevel@tonic-gate */ 21197c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOPHCI) == 0) 21207c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21217c478bd9Sstevel@tonic-gate else 21227c478bd9Sstevel@tonic-gate errno = ENXIO; 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 21257c478bd9Sstevel@tonic-gate } 21267c478bd9Sstevel@tonic-gate 21277c478bd9Sstevel@tonic-gate di_path_prop_t 21287c478bd9Sstevel@tonic-gate di_path_prop_next(di_path_t path, di_path_prop_t prop) 21297c478bd9Sstevel@tonic-gate { 21307c478bd9Sstevel@tonic-gate caddr_t pa; 21317c478bd9Sstevel@tonic-gate 21327c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 21337c478bd9Sstevel@tonic-gate errno = EINVAL; 21347c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21357c478bd9Sstevel@tonic-gate } 21367c478bd9Sstevel@tonic-gate 21377c478bd9Sstevel@tonic-gate /* 21387c478bd9Sstevel@tonic-gate * prop is not NIL 21397c478bd9Sstevel@tonic-gate */ 21407c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 21417c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next != 0) 21427c478bd9Sstevel@tonic-gate return (DI_PATHPROP((caddr_t)prop - 21437c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 21447c478bd9Sstevel@tonic-gate else { 21457c478bd9Sstevel@tonic-gate errno = ENXIO; 21467c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21477c478bd9Sstevel@tonic-gate } 21487c478bd9Sstevel@tonic-gate } 21497c478bd9Sstevel@tonic-gate 21507c478bd9Sstevel@tonic-gate /* 21517c478bd9Sstevel@tonic-gate * prop is NIL-->caller asks for first property 21527c478bd9Sstevel@tonic-gate */ 21537c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21547c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_prop != 0) { 21557c478bd9Sstevel@tonic-gate return (DI_PATHPROP(pa + DI_PATH(path)->path_prop)); 21567c478bd9Sstevel@tonic-gate } 21577c478bd9Sstevel@tonic-gate 21587c478bd9Sstevel@tonic-gate /* 21597c478bd9Sstevel@tonic-gate * no property data-->check if snapshot includes props 21607c478bd9Sstevel@tonic-gate * in order to set the correct errno 21617c478bd9Sstevel@tonic-gate */ 21627c478bd9Sstevel@tonic-gate if (DINFOPROP & (DI_ALL(pa)->command)) 21637c478bd9Sstevel@tonic-gate errno = ENXIO; 21647c478bd9Sstevel@tonic-gate else 21657c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21667c478bd9Sstevel@tonic-gate 21677c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21687c478bd9Sstevel@tonic-gate } 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate char * 21717c478bd9Sstevel@tonic-gate di_path_prop_name(di_path_prop_t prop) 21727c478bd9Sstevel@tonic-gate { 21737c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 21747c478bd9Sstevel@tonic-gate pa = (caddr_t)prop - DI_PATHPROP(prop)->self; 21757c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_PATHPROP(prop)->prop_name)); 21767c478bd9Sstevel@tonic-gate } 21777c478bd9Sstevel@tonic-gate 21787c478bd9Sstevel@tonic-gate int 21797c478bd9Sstevel@tonic-gate di_path_prop_len(di_path_prop_t prop) 21807c478bd9Sstevel@tonic-gate { 21817c478bd9Sstevel@tonic-gate return (DI_PATHPROP(prop)->prop_len); 21827c478bd9Sstevel@tonic-gate } 21837c478bd9Sstevel@tonic-gate 21847c478bd9Sstevel@tonic-gate int 21857c478bd9Sstevel@tonic-gate di_path_prop_type(di_path_prop_t prop) 21867c478bd9Sstevel@tonic-gate { 21877c478bd9Sstevel@tonic-gate switch (DI_PATHPROP(prop)->prop_type) { 21887c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT: 21897c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 21907c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT64: 21917c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 21927c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_BYTE: 21937c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 21947c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_STRING: 21957c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 21967c478bd9Sstevel@tonic-gate } 21977c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 21987c478bd9Sstevel@tonic-gate } 21997c478bd9Sstevel@tonic-gate 22007c478bd9Sstevel@tonic-gate int 22017c478bd9Sstevel@tonic-gate di_path_prop_bytes(di_path_prop_t prop, uchar_t **prop_data) 22027c478bd9Sstevel@tonic-gate { 22037c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22047c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22057c478bd9Sstevel@tonic-gate errno = EFAULT; 22067c478bd9Sstevel@tonic-gate *prop_data = NULL; 22077c478bd9Sstevel@tonic-gate return (-1); 22087c478bd9Sstevel@tonic-gate } 22097c478bd9Sstevel@tonic-gate 22107c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PATHPROP(prop)->self 22117c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22127c478bd9Sstevel@tonic-gate 22137c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22147c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 22157c478bd9Sstevel@tonic-gate } 22167c478bd9Sstevel@tonic-gate 22177c478bd9Sstevel@tonic-gate int 22187c478bd9Sstevel@tonic-gate di_path_prop_ints(di_path_prop_t prop, int **prop_data) 22197c478bd9Sstevel@tonic-gate { 22207c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22217c478bd9Sstevel@tonic-gate return (0); 22227c478bd9Sstevel@tonic-gate 22237c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22247c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22257c478bd9Sstevel@tonic-gate errno = EFAULT; 22267c478bd9Sstevel@tonic-gate *prop_data = NULL; 22277c478bd9Sstevel@tonic-gate return (-1); 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate 22307c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PATHPROP(prop)->self 22317c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data)); 22327c478bd9Sstevel@tonic-gate 22337c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22347c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 22357c478bd9Sstevel@tonic-gate } 22367c478bd9Sstevel@tonic-gate 22377c478bd9Sstevel@tonic-gate int 22387c478bd9Sstevel@tonic-gate di_path_prop_int64s(di_path_prop_t prop, int64_t **prop_data) 22397c478bd9Sstevel@tonic-gate { 22407c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22417c478bd9Sstevel@tonic-gate return (0); 22427c478bd9Sstevel@tonic-gate 22437c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22447c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22457c478bd9Sstevel@tonic-gate errno = EFAULT; 22467c478bd9Sstevel@tonic-gate *prop_data = NULL; 22477c478bd9Sstevel@tonic-gate return (-1); 22487c478bd9Sstevel@tonic-gate } 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - 22517c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->self + DI_PATHPROP(prop)->prop_data)); 22527c478bd9Sstevel@tonic-gate 22537c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22547c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 22557c478bd9Sstevel@tonic-gate } 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate int 22587c478bd9Sstevel@tonic-gate di_path_prop_strings(di_path_prop_t prop, char **prop_data) 22597c478bd9Sstevel@tonic-gate { 22607c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22617c478bd9Sstevel@tonic-gate return (0); 22627c478bd9Sstevel@tonic-gate 22637c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22647c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22657c478bd9Sstevel@tonic-gate errno = EFAULT; 22667c478bd9Sstevel@tonic-gate *prop_data = NULL; 22677c478bd9Sstevel@tonic-gate return (-1); 22687c478bd9Sstevel@tonic-gate } 22697c478bd9Sstevel@tonic-gate 22707c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PATHPROP(prop)->self 22717c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22747c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 22757c478bd9Sstevel@tonic-gate } 22767c478bd9Sstevel@tonic-gate 22777c478bd9Sstevel@tonic-gate static di_path_prop_t 22787c478bd9Sstevel@tonic-gate di_path_prop_search(di_path_t path, const char *name, int type) 22797c478bd9Sstevel@tonic-gate { 22807c478bd9Sstevel@tonic-gate di_path_prop_t prop = DI_PROP_NIL; 22817c478bd9Sstevel@tonic-gate 22827c478bd9Sstevel@tonic-gate /* 22837c478bd9Sstevel@tonic-gate * Sanity check arguments 22847c478bd9Sstevel@tonic-gate */ 22857c478bd9Sstevel@tonic-gate if ((path == DI_PATH_NIL) || (name == NULL) || (strlen(name) == 0) || 22867c478bd9Sstevel@tonic-gate !DI_PROP_TYPE_VALID(type)) { 22877c478bd9Sstevel@tonic-gate errno = EINVAL; 22887c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 22897c478bd9Sstevel@tonic-gate } 22907c478bd9Sstevel@tonic-gate 22917c478bd9Sstevel@tonic-gate while ((prop = di_path_prop_next(path, prop)) != DI_PROP_NIL) { 22927c478bd9Sstevel@tonic-gate int prop_type = di_path_prop_type(prop); 22937c478bd9Sstevel@tonic-gate 22947c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match path prop name %s, type %d\n", 22957c478bd9Sstevel@tonic-gate di_path_prop_name(prop), prop_type)); 22967c478bd9Sstevel@tonic-gate 22977c478bd9Sstevel@tonic-gate if (strcmp(name, di_path_prop_name(prop)) != 0) 22987c478bd9Sstevel@tonic-gate continue; 22997c478bd9Sstevel@tonic-gate 23007c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type)) 23017c478bd9Sstevel@tonic-gate continue; 23027c478bd9Sstevel@tonic-gate 23037c478bd9Sstevel@tonic-gate return (prop); 23047c478bd9Sstevel@tonic-gate } 23057c478bd9Sstevel@tonic-gate 23067c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 23077c478bd9Sstevel@tonic-gate } 23087c478bd9Sstevel@tonic-gate 23097c478bd9Sstevel@tonic-gate int 23107c478bd9Sstevel@tonic-gate di_path_prop_lookup_bytes(di_path_t path, const char *prop_name, 23117c478bd9Sstevel@tonic-gate uchar_t **prop_data) 23127c478bd9Sstevel@tonic-gate { 23137c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23167c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 23177c478bd9Sstevel@tonic-gate return (-1); 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate return (di_path_prop_bytes(prop, prop_data)); 23207c478bd9Sstevel@tonic-gate } 23217c478bd9Sstevel@tonic-gate 23227c478bd9Sstevel@tonic-gate int 23237c478bd9Sstevel@tonic-gate di_path_prop_lookup_ints(di_path_t path, const char *prop_name, 23247c478bd9Sstevel@tonic-gate int **prop_data) 23257c478bd9Sstevel@tonic-gate { 23267c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23277c478bd9Sstevel@tonic-gate 23287c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23297c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 23307c478bd9Sstevel@tonic-gate return (-1); 23317c478bd9Sstevel@tonic-gate 23327c478bd9Sstevel@tonic-gate return (di_path_prop_ints(prop, prop_data)); 23337c478bd9Sstevel@tonic-gate } 23347c478bd9Sstevel@tonic-gate 23357c478bd9Sstevel@tonic-gate int 23367c478bd9Sstevel@tonic-gate di_path_prop_lookup_int64s(di_path_t path, const char *prop_name, 23377c478bd9Sstevel@tonic-gate int64_t **prop_data) 23387c478bd9Sstevel@tonic-gate { 23397c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23407c478bd9Sstevel@tonic-gate 23417c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23427c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 23437c478bd9Sstevel@tonic-gate return (-1); 23447c478bd9Sstevel@tonic-gate 23457c478bd9Sstevel@tonic-gate return (di_path_prop_int64s(prop, prop_data)); 23467c478bd9Sstevel@tonic-gate } 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate int di_path_prop_lookup_strings(di_path_t path, const char *prop_name, 23497c478bd9Sstevel@tonic-gate char **prop_data) 23507c478bd9Sstevel@tonic-gate { 23517c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23547c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 23557c478bd9Sstevel@tonic-gate return (-1); 23567c478bd9Sstevel@tonic-gate 23577c478bd9Sstevel@tonic-gate return (di_path_prop_strings(prop, prop_data)); 23587c478bd9Sstevel@tonic-gate } 23597c478bd9Sstevel@tonic-gate 23608c4f8890Srs135747 /* 23618c4f8890Srs135747 * Consolidation private interfaces for traversing vhci nodes. 23628c4f8890Srs135747 */ 23638c4f8890Srs135747 di_node_t 23648c4f8890Srs135747 di_vhci_first_node(di_node_t root) 23658c4f8890Srs135747 { 23668c4f8890Srs135747 struct di_all *dap; 23678c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23688c4f8890Srs135747 23698c4f8890Srs135747 DPRINTF((DI_INFO, "Get first vhci node\n")); 23708c4f8890Srs135747 23718c4f8890Srs135747 if (root == DI_NODE_NIL) { 23728c4f8890Srs135747 errno = EINVAL; 23738c4f8890Srs135747 return (DI_NODE_NIL); 23748c4f8890Srs135747 } 23758c4f8890Srs135747 23768c4f8890Srs135747 pa = (caddr_t)root - DI_NODE(root)->self; 23778c4f8890Srs135747 dap = DI_ALL(pa); 23788c4f8890Srs135747 2379*f00128d8SToomas Soome if (dap->top_vhci_devinfo == 0) { 23808c4f8890Srs135747 errno = ENXIO; 23818c4f8890Srs135747 return (DI_NODE_NIL); 23828c4f8890Srs135747 } 23838c4f8890Srs135747 23848c4f8890Srs135747 return (DI_NODE(pa + dap->top_vhci_devinfo)); 23858c4f8890Srs135747 } 23868c4f8890Srs135747 23878c4f8890Srs135747 di_node_t 23888c4f8890Srs135747 di_vhci_next_node(di_node_t node) 23898c4f8890Srs135747 { 23908c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23918c4f8890Srs135747 23928c4f8890Srs135747 if (node == DI_NODE_NIL) { 23938c4f8890Srs135747 errno = EINVAL; 23948c4f8890Srs135747 return (DI_NODE_NIL); 23958c4f8890Srs135747 } 23968c4f8890Srs135747 23978c4f8890Srs135747 DPRINTF((DI_TRACE, "next vhci node on the snap shot:" 23988c4f8890Srs135747 " current=%s\n", di_node_name(node))); 23998c4f8890Srs135747 2400*f00128d8SToomas Soome if (DI_NODE(node)->next_vhci == 0) { 24018c4f8890Srs135747 errno = ENXIO; 24028c4f8890Srs135747 return (DI_NODE_NIL); 24038c4f8890Srs135747 } 24048c4f8890Srs135747 24058c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 24068c4f8890Srs135747 24078c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_vhci)); 24088c4f8890Srs135747 } 24098c4f8890Srs135747 24108c4f8890Srs135747 /* 24118c4f8890Srs135747 * Consolidation private interfaces for traversing phci nodes. 24128c4f8890Srs135747 */ 24138c4f8890Srs135747 di_node_t 24148c4f8890Srs135747 di_phci_first_node(di_node_t vhci_node) 24158c4f8890Srs135747 { 24168c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24178c4f8890Srs135747 24188c4f8890Srs135747 DPRINTF((DI_INFO, "Get first phci node:\n" 24198c4f8890Srs135747 " current=%s", di_node_name(vhci_node))); 24208c4f8890Srs135747 24218c4f8890Srs135747 if (vhci_node == DI_NODE_NIL) { 24228c4f8890Srs135747 errno = EINVAL; 24238c4f8890Srs135747 return (DI_NODE_NIL); 24248c4f8890Srs135747 } 24258c4f8890Srs135747 24268c4f8890Srs135747 pa = (caddr_t)vhci_node - DI_NODE(vhci_node)->self; 24278c4f8890Srs135747 2428*f00128d8SToomas Soome if (DI_NODE(vhci_node)->top_phci == 0) { 24298c4f8890Srs135747 errno = ENXIO; 24308c4f8890Srs135747 return (DI_NODE_NIL); 24318c4f8890Srs135747 } 24328c4f8890Srs135747 24338c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(vhci_node)->top_phci)); 24348c4f8890Srs135747 } 24358c4f8890Srs135747 24368c4f8890Srs135747 di_node_t 24378c4f8890Srs135747 di_phci_next_node(di_node_t node) 24388c4f8890Srs135747 { 24398c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24408c4f8890Srs135747 24418c4f8890Srs135747 if (node == DI_NODE_NIL) { 24428c4f8890Srs135747 errno = EINVAL; 24438c4f8890Srs135747 return (DI_NODE_NIL); 24448c4f8890Srs135747 } 24458c4f8890Srs135747 24468c4f8890Srs135747 DPRINTF((DI_TRACE, "next phci node on the snap shot:" 24478c4f8890Srs135747 " current=%s\n", di_node_name(node))); 24488c4f8890Srs135747 2449*f00128d8SToomas Soome if (DI_NODE(node)->next_phci == 0) { 24508c4f8890Srs135747 errno = ENXIO; 24518c4f8890Srs135747 return (DI_NODE_NIL); 24528c4f8890Srs135747 } 24538c4f8890Srs135747 24548c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 24558c4f8890Srs135747 24568c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_phci)); 24578c4f8890Srs135747 } 24587c478bd9Sstevel@tonic-gate 24597c478bd9Sstevel@tonic-gate /* 24607c478bd9Sstevel@tonic-gate * Consolidation private interfaces for private data 24617c478bd9Sstevel@tonic-gate */ 24627c478bd9Sstevel@tonic-gate void * 24637c478bd9Sstevel@tonic-gate di_parent_private_data(di_node_t node) 24647c478bd9Sstevel@tonic-gate { 24657c478bd9Sstevel@tonic-gate caddr_t pa; 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == 0) { 24687c478bd9Sstevel@tonic-gate errno = ENXIO; 24697c478bd9Sstevel@tonic-gate return (NULL); 24707c478bd9Sstevel@tonic-gate } 24717c478bd9Sstevel@tonic-gate 24727c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == (di_off_t)-1) { 24737c478bd9Sstevel@tonic-gate /* 24747c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 24757c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 24767c478bd9Sstevel@tonic-gate */ 24777c478bd9Sstevel@tonic-gate errno = EFAULT; 24787c478bd9Sstevel@tonic-gate return (NULL); 24797c478bd9Sstevel@tonic-gate } 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 24827c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data) 24837c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->parent_data); 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 24867c478bd9Sstevel@tonic-gate errno = ENXIO; 24877c478bd9Sstevel@tonic-gate else 24887c478bd9Sstevel@tonic-gate errno = ENOTSUP; 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate return (NULL); 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate void * 24947c478bd9Sstevel@tonic-gate di_driver_private_data(di_node_t node) 24957c478bd9Sstevel@tonic-gate { 24967c478bd9Sstevel@tonic-gate caddr_t pa; 24977c478bd9Sstevel@tonic-gate 24987c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == 0) { 24997c478bd9Sstevel@tonic-gate errno = ENXIO; 25007c478bd9Sstevel@tonic-gate return (NULL); 25017c478bd9Sstevel@tonic-gate } 25027c478bd9Sstevel@tonic-gate 25037c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == (di_off_t)-1) { 25047c478bd9Sstevel@tonic-gate /* 25057c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 25067c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 25077c478bd9Sstevel@tonic-gate */ 25087c478bd9Sstevel@tonic-gate errno = EFAULT; 25097c478bd9Sstevel@tonic-gate return (NULL); 25107c478bd9Sstevel@tonic-gate } 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 25137c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data) 25147c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->driver_data); 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 25177c478bd9Sstevel@tonic-gate errno = ENXIO; 25187c478bd9Sstevel@tonic-gate else 25197c478bd9Sstevel@tonic-gate errno = ENOTSUP; 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate return (NULL); 25227c478bd9Sstevel@tonic-gate } 25237c478bd9Sstevel@tonic-gate 25247c478bd9Sstevel@tonic-gate /* 252526947304SEvan Yan * Hotplug information access 252626947304SEvan Yan */ 252726947304SEvan Yan 252826947304SEvan Yan typedef struct { 252926947304SEvan Yan void *arg; 253026947304SEvan Yan const char *type; 253126947304SEvan Yan uint_t flag; 253226947304SEvan Yan int (*hp_callback)(di_node_t, di_hp_t, void *); 253326947304SEvan Yan } di_walk_hp_arg_t; 253426947304SEvan Yan 253526947304SEvan Yan static int 253626947304SEvan Yan di_walk_hp_callback(di_node_t node, void *argp) 253726947304SEvan Yan { 253826947304SEvan Yan di_walk_hp_arg_t *arg = (di_walk_hp_arg_t *)argp; 253926947304SEvan Yan di_hp_t hp; 254026947304SEvan Yan char *type_str; 254126947304SEvan Yan 254226947304SEvan Yan for (hp = DI_HP_NIL; (hp = di_hp_next(node, hp)) != DI_HP_NIL; ) { 254326947304SEvan Yan 254426947304SEvan Yan /* Exclude non-matching types if a type filter is specified */ 254526947304SEvan Yan if (arg->type != NULL) { 254626947304SEvan Yan type_str = di_hp_description(hp); 254726947304SEvan Yan if (type_str && (strcmp(arg->type, type_str) != 0)) 254826947304SEvan Yan continue; 254926947304SEvan Yan } 255026947304SEvan Yan 255126947304SEvan Yan /* Exclude ports if DI_HP_PORT flag not specified */ 255226947304SEvan Yan if (!(arg->flag & DI_HP_PORT) && 255326947304SEvan Yan (di_hp_type(hp) == DDI_HP_CN_TYPE_VIRTUAL_PORT)) 255426947304SEvan Yan continue; 255526947304SEvan Yan 255626947304SEvan Yan /* Exclude connectors if DI_HP_CONNECTOR flag not specified */ 255726947304SEvan Yan if (!(arg->flag & DI_HP_CONNECTOR) && 255826947304SEvan Yan !(di_hp_type(hp) == DDI_HP_CN_TYPE_VIRTUAL_PORT)) 255926947304SEvan Yan continue; 256026947304SEvan Yan 256126947304SEvan Yan /* Perform callback */ 256226947304SEvan Yan if (arg->hp_callback(node, hp, arg->arg) != DI_WALK_CONTINUE) 256326947304SEvan Yan return (DI_WALK_TERMINATE); 256426947304SEvan Yan } 256526947304SEvan Yan 256626947304SEvan Yan return (DI_WALK_CONTINUE); 256726947304SEvan Yan } 256826947304SEvan Yan 256926947304SEvan Yan int 257026947304SEvan Yan di_walk_hp(di_node_t node, const char *type, uint_t flag, void *arg, 257126947304SEvan Yan int (*hp_callback)(di_node_t node, di_hp_t hp, void *arg)) 257226947304SEvan Yan { 257326947304SEvan Yan di_walk_hp_arg_t walk_arg; 257426947304SEvan Yan caddr_t pa; 257526947304SEvan Yan 257626947304SEvan Yan #ifdef DEBUG 257726947304SEvan Yan char *devfspath = di_devfs_path(node); 257826947304SEvan Yan DPRINTF((DI_INFO, "walking hotplug nodes under %s\n", devfspath)); 257926947304SEvan Yan di_devfs_path_free(devfspath); 258026947304SEvan Yan #endif 258126947304SEvan Yan /* 258226947304SEvan Yan * paranoid error checking 258326947304SEvan Yan */ 258426947304SEvan Yan if ((node == DI_NODE_NIL) || (hp_callback == NULL)) { 258526947304SEvan Yan errno = EINVAL; 258626947304SEvan Yan return (-1); 258726947304SEvan Yan } 258826947304SEvan Yan 258926947304SEvan Yan /* check if hotplug data is included in snapshot */ 259026947304SEvan Yan pa = (caddr_t)node - DI_NODE(node)->self; 259126947304SEvan Yan if (!(DI_ALL(pa)->command & DINFOHP)) { 259226947304SEvan Yan errno = ENOTSUP; 259326947304SEvan Yan return (-1); 259426947304SEvan Yan } 259526947304SEvan Yan 259626947304SEvan Yan walk_arg.arg = arg; 259726947304SEvan Yan walk_arg.type = type; 259826947304SEvan Yan walk_arg.flag = flag; 259926947304SEvan Yan walk_arg.hp_callback = hp_callback; 260026947304SEvan Yan return (di_walk_node(node, DI_WALK_CLDFIRST, &walk_arg, 260126947304SEvan Yan di_walk_hp_callback)); 260226947304SEvan Yan } 260326947304SEvan Yan 260426947304SEvan Yan di_hp_t 260526947304SEvan Yan di_hp_next(di_node_t node, di_hp_t hp) 260626947304SEvan Yan { 260726947304SEvan Yan caddr_t pa; 260826947304SEvan Yan 260926947304SEvan Yan /* 261026947304SEvan Yan * paranoid error checking 261126947304SEvan Yan */ 261226947304SEvan Yan if (node == DI_NODE_NIL) { 261326947304SEvan Yan errno = EINVAL; 261426947304SEvan Yan return (DI_HP_NIL); 261526947304SEvan Yan } 261626947304SEvan Yan 261726947304SEvan Yan /* 261826947304SEvan Yan * hotplug node is not NIL 261926947304SEvan Yan */ 262026947304SEvan Yan if (hp != DI_HP_NIL) { 262126947304SEvan Yan if (DI_HP(hp)->next != 0) 262226947304SEvan Yan return (DI_HP((caddr_t)hp - hp->self + hp->next)); 262326947304SEvan Yan else { 262426947304SEvan Yan errno = ENXIO; 262526947304SEvan Yan return (DI_HP_NIL); 262626947304SEvan Yan } 262726947304SEvan Yan } 262826947304SEvan Yan 262926947304SEvan Yan /* 263026947304SEvan Yan * hotplug node is NIL-->caller asks for first hotplug node 263126947304SEvan Yan */ 263226947304SEvan Yan if (DI_NODE(node)->hp_data != 0) { 263326947304SEvan Yan return (DI_HP((caddr_t)node - DI_NODE(node)->self + 263426947304SEvan Yan DI_NODE(node)->hp_data)); 263526947304SEvan Yan } 263626947304SEvan Yan 263726947304SEvan Yan /* 263826947304SEvan Yan * no hotplug data-->check if snapshot includes hotplug data 263926947304SEvan Yan * in order to set the correct errno 264026947304SEvan Yan */ 264126947304SEvan Yan pa = (caddr_t)node - DI_NODE(node)->self; 264226947304SEvan Yan if (DINFOHP & DI_ALL(pa)->command) 264326947304SEvan Yan errno = ENXIO; 264426947304SEvan Yan else 264526947304SEvan Yan errno = ENOTSUP; 264626947304SEvan Yan 264726947304SEvan Yan return (DI_HP_NIL); 264826947304SEvan Yan } 264926947304SEvan Yan 265026947304SEvan Yan char * 265126947304SEvan Yan di_hp_name(di_hp_t hp) 265226947304SEvan Yan { 265326947304SEvan Yan caddr_t pa; 265426947304SEvan Yan 265526947304SEvan Yan /* 265626947304SEvan Yan * paranoid error checking 265726947304SEvan Yan */ 265826947304SEvan Yan if (hp == DI_HP_NIL) { 265926947304SEvan Yan errno = EINVAL; 266026947304SEvan Yan return (NULL); 266126947304SEvan Yan } 266226947304SEvan Yan 266326947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 266426947304SEvan Yan 266526947304SEvan Yan if (DI_HP(hp)->hp_name == 0) { 266626947304SEvan Yan errno = ENXIO; 266726947304SEvan Yan return (NULL); 266826947304SEvan Yan } 266926947304SEvan Yan 267026947304SEvan Yan return ((char *)(pa + DI_HP(hp)->hp_name)); 267126947304SEvan Yan } 267226947304SEvan Yan 267326947304SEvan Yan int 267426947304SEvan Yan di_hp_connection(di_hp_t hp) 267526947304SEvan Yan { 267626947304SEvan Yan /* 267726947304SEvan Yan * paranoid error checking 267826947304SEvan Yan */ 267926947304SEvan Yan if (hp == DI_HP_NIL) { 268026947304SEvan Yan errno = EINVAL; 268126947304SEvan Yan return (-1); 268226947304SEvan Yan } 268326947304SEvan Yan 268426947304SEvan Yan if (DI_HP(hp)->hp_connection == -1) 268526947304SEvan Yan errno = ENOENT; 268626947304SEvan Yan 268726947304SEvan Yan return (DI_HP(hp)->hp_connection); 268826947304SEvan Yan } 268926947304SEvan Yan 269026947304SEvan Yan int 269126947304SEvan Yan di_hp_depends_on(di_hp_t hp) 269226947304SEvan Yan { 269326947304SEvan Yan /* 269426947304SEvan Yan * paranoid error checking 269526947304SEvan Yan */ 269626947304SEvan Yan if (hp == DI_HP_NIL) { 269726947304SEvan Yan errno = EINVAL; 269826947304SEvan Yan return (-1); 269926947304SEvan Yan } 270026947304SEvan Yan 270126947304SEvan Yan if (DI_HP(hp)->hp_depends_on == -1) 270226947304SEvan Yan errno = ENOENT; 270326947304SEvan Yan 270426947304SEvan Yan return (DI_HP(hp)->hp_depends_on); 270526947304SEvan Yan } 270626947304SEvan Yan 270726947304SEvan Yan int 270826947304SEvan Yan di_hp_state(di_hp_t hp) 270926947304SEvan Yan { 271026947304SEvan Yan /* 271126947304SEvan Yan * paranoid error checking 271226947304SEvan Yan */ 271326947304SEvan Yan if (hp == DI_HP_NIL) { 271426947304SEvan Yan errno = EINVAL; 271526947304SEvan Yan return (-1); 271626947304SEvan Yan } 271726947304SEvan Yan 271826947304SEvan Yan return (DI_HP(hp)->hp_state); 271926947304SEvan Yan } 272026947304SEvan Yan 272126947304SEvan Yan int 272226947304SEvan Yan di_hp_type(di_hp_t hp) 272326947304SEvan Yan { 272426947304SEvan Yan /* 272526947304SEvan Yan * paranoid error checking 272626947304SEvan Yan */ 272726947304SEvan Yan if (hp == DI_HP_NIL) { 272826947304SEvan Yan errno = EINVAL; 272926947304SEvan Yan return (-1); 273026947304SEvan Yan } 273126947304SEvan Yan 273226947304SEvan Yan return (DI_HP(hp)->hp_type); 273326947304SEvan Yan } 273426947304SEvan Yan 273526947304SEvan Yan char * 273626947304SEvan Yan di_hp_description(di_hp_t hp) 273726947304SEvan Yan { 273826947304SEvan Yan caddr_t pa; 273926947304SEvan Yan 274026947304SEvan Yan /* 274126947304SEvan Yan * paranoid error checking 274226947304SEvan Yan */ 274326947304SEvan Yan if (hp == DI_HP_NIL) { 274426947304SEvan Yan errno = EINVAL; 274526947304SEvan Yan return (NULL); 274626947304SEvan Yan } 274726947304SEvan Yan 274826947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 274926947304SEvan Yan 275026947304SEvan Yan if (DI_HP(hp)->hp_type_str == 0) 275126947304SEvan Yan return (NULL); 275226947304SEvan Yan 275326947304SEvan Yan return ((char *)(pa + DI_HP(hp)->hp_type_str)); 275426947304SEvan Yan } 275526947304SEvan Yan 275626947304SEvan Yan di_node_t 275726947304SEvan Yan di_hp_child(di_hp_t hp) 275826947304SEvan Yan { 275926947304SEvan Yan caddr_t pa; /* starting address of map */ 276026947304SEvan Yan 276126947304SEvan Yan /* 276226947304SEvan Yan * paranoid error checking 276326947304SEvan Yan */ 276426947304SEvan Yan if (hp == DI_HP_NIL) { 276526947304SEvan Yan errno = EINVAL; 276626947304SEvan Yan return (DI_NODE_NIL); 276726947304SEvan Yan } 276826947304SEvan Yan 276926947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 277026947304SEvan Yan 277126947304SEvan Yan if (DI_HP(hp)->hp_child > 0) { 277226947304SEvan Yan return (DI_NODE(pa + DI_HP(hp)->hp_child)); 277326947304SEvan Yan } 277426947304SEvan Yan 277526947304SEvan Yan /* 277626947304SEvan Yan * Deal with error condition: 277726947304SEvan Yan * Child doesn't exist, figure out if DINFOSUBTREE is set. 277826947304SEvan Yan * If it isn't, set errno to ENOTSUP. 277926947304SEvan Yan */ 278026947304SEvan Yan if (!(DINFOSUBTREE & DI_ALL(pa)->command)) 278126947304SEvan Yan errno = ENOTSUP; 278226947304SEvan Yan else 278326947304SEvan Yan errno = ENXIO; 278426947304SEvan Yan 278526947304SEvan Yan return (DI_NODE_NIL); 278626947304SEvan Yan } 278726947304SEvan Yan 278826947304SEvan Yan time_t 278926947304SEvan Yan di_hp_last_change(di_hp_t hp) 279026947304SEvan Yan { 279126947304SEvan Yan /* 279226947304SEvan Yan * paranoid error checking 279326947304SEvan Yan */ 279426947304SEvan Yan if (hp == DI_HP_NIL) { 279526947304SEvan Yan errno = EINVAL; 279626947304SEvan Yan return ((time_t)0); 279726947304SEvan Yan } 279826947304SEvan Yan 279926947304SEvan Yan return ((time_t)DI_HP(hp)->hp_last_change); 280026947304SEvan Yan } 280126947304SEvan Yan 280226947304SEvan Yan /* 28037c478bd9Sstevel@tonic-gate * PROM property access 28047c478bd9Sstevel@tonic-gate */ 28057c478bd9Sstevel@tonic-gate 28067c478bd9Sstevel@tonic-gate /* 28077c478bd9Sstevel@tonic-gate * openprom driver stuff: 28087c478bd9Sstevel@tonic-gate * The maximum property length depends on the buffer size. We use 28097c478bd9Sstevel@tonic-gate * OPROMMAXPARAM defined in <sys/openpromio.h> 28107c478bd9Sstevel@tonic-gate * 28117c478bd9Sstevel@tonic-gate * MAXNAMESZ is max property name. obpdefs.h defines it as 32 based on 1275 28127c478bd9Sstevel@tonic-gate * MAXVALSZ is maximum value size, which is whatever space left in buf 28137c478bd9Sstevel@tonic-gate */ 28147c478bd9Sstevel@tonic-gate 28157c478bd9Sstevel@tonic-gate #define OBP_MAXBUF OPROMMAXPARAM - sizeof (int) 28167c478bd9Sstevel@tonic-gate #define OBP_MAXPROPLEN OBP_MAXBUF - OBP_MAXPROPNAME; 28177c478bd9Sstevel@tonic-gate 28187c478bd9Sstevel@tonic-gate struct di_prom_prop { 28197c478bd9Sstevel@tonic-gate char *name; 28207c478bd9Sstevel@tonic-gate int len; 28217c478bd9Sstevel@tonic-gate uchar_t *data; 28227c478bd9Sstevel@tonic-gate struct di_prom_prop *next; /* form a linked list */ 28237c478bd9Sstevel@tonic-gate }; 28247c478bd9Sstevel@tonic-gate 28257c478bd9Sstevel@tonic-gate struct di_prom_handle { /* handle to prom */ 28267c478bd9Sstevel@tonic-gate mutex_t lock; /* synchronize access to openprom fd */ 28277c478bd9Sstevel@tonic-gate int fd; /* /dev/openprom file descriptor */ 28287c478bd9Sstevel@tonic-gate struct di_prom_prop *list; /* linked list of prop */ 28297c478bd9Sstevel@tonic-gate union { 28307c478bd9Sstevel@tonic-gate char buf[OPROMMAXPARAM]; 28317c478bd9Sstevel@tonic-gate struct openpromio opp; 28327c478bd9Sstevel@tonic-gate } oppbuf; 28337c478bd9Sstevel@tonic-gate }; 28347c478bd9Sstevel@tonic-gate 28357c478bd9Sstevel@tonic-gate di_prom_handle_t 28367c478bd9Sstevel@tonic-gate di_prom_init() 28377c478bd9Sstevel@tonic-gate { 28387c478bd9Sstevel@tonic-gate struct di_prom_handle *p; 28397c478bd9Sstevel@tonic-gate 28407c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (struct di_prom_handle))) == NULL) 28417c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 28427c478bd9Sstevel@tonic-gate 28437c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_init: get prom handle 0x%p\n", p)); 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate (void) mutex_init(&p->lock, USYNC_THREAD, NULL); 28467c478bd9Sstevel@tonic-gate if ((p->fd = open("/dev/openprom", O_RDONLY)) < 0) { 28477c478bd9Sstevel@tonic-gate free(p); 28487c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 28497c478bd9Sstevel@tonic-gate } 28507c478bd9Sstevel@tonic-gate p->list = NULL; 28517c478bd9Sstevel@tonic-gate 28527c478bd9Sstevel@tonic-gate return ((di_prom_handle_t)p); 28537c478bd9Sstevel@tonic-gate } 28547c478bd9Sstevel@tonic-gate 28557c478bd9Sstevel@tonic-gate static void 28567c478bd9Sstevel@tonic-gate di_prom_prop_free(struct di_prom_prop *list) 28577c478bd9Sstevel@tonic-gate { 28587c478bd9Sstevel@tonic-gate struct di_prom_prop *tmp = list; 28597c478bd9Sstevel@tonic-gate 28607c478bd9Sstevel@tonic-gate while (tmp != NULL) { 28617c478bd9Sstevel@tonic-gate list = tmp->next; 28627c478bd9Sstevel@tonic-gate if (tmp->name != NULL) { 28637c478bd9Sstevel@tonic-gate free(tmp->name); 28647c478bd9Sstevel@tonic-gate } 28657c478bd9Sstevel@tonic-gate if (tmp->data != NULL) { 28667c478bd9Sstevel@tonic-gate free(tmp->data); 28677c478bd9Sstevel@tonic-gate } 28687c478bd9Sstevel@tonic-gate free(tmp); 28697c478bd9Sstevel@tonic-gate tmp = list; 28707c478bd9Sstevel@tonic-gate } 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate void 28747c478bd9Sstevel@tonic-gate di_prom_fini(di_prom_handle_t ph) 28757c478bd9Sstevel@tonic-gate { 28767c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 28777c478bd9Sstevel@tonic-gate 28787c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_fini: free prom handle 0x%p\n", p)); 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate (void) close(p->fd); 28817c478bd9Sstevel@tonic-gate (void) mutex_destroy(&p->lock); 28827c478bd9Sstevel@tonic-gate di_prom_prop_free(p->list); 28837c478bd9Sstevel@tonic-gate 28847c478bd9Sstevel@tonic-gate free(p); 28857c478bd9Sstevel@tonic-gate } 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate /* 28887c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 28897c478bd9Sstevel@tonic-gate * XXX: ph->lock must be held for the duration of call. 28907c478bd9Sstevel@tonic-gate */ 28917c478bd9Sstevel@tonic-gate static di_prom_prop_t 28927c478bd9Sstevel@tonic-gate di_prom_prop_found(di_prom_handle_t ph, int nodeid, 28937c478bd9Sstevel@tonic-gate di_prom_prop_t prom_prop) 28947c478bd9Sstevel@tonic-gate { 28957c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 28967c478bd9Sstevel@tonic-gate struct openpromio *opp = &p->oppbuf.opp; 28977c478bd9Sstevel@tonic-gate int *ip = (int *)((void *)opp->oprom_array); 28987c478bd9Sstevel@tonic-gate struct di_prom_prop *prop = (struct di_prom_prop *)prom_prop; 28997c478bd9Sstevel@tonic-gate 29007c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Looking for nodeid 0x%x\n", nodeid)); 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate /* 29037c478bd9Sstevel@tonic-gate * Set "current" nodeid in the openprom driver 29047c478bd9Sstevel@tonic-gate */ 29057c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 29067c478bd9Sstevel@tonic-gate *ip = nodeid; 29077c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 29087c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", nodeid)); 29097c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29107c478bd9Sstevel@tonic-gate } 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Found nodeid 0x%x\n", nodeid)); 29137c478bd9Sstevel@tonic-gate 29147c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 29157c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPNAME; 29167c478bd9Sstevel@tonic-gate if (prom_prop != DI_PROM_PROP_NIL) 29177c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prop->name); 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMNXTPROP, opp) < 0) || (opp->oprom_size == 0)) 29207c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate /* 29237c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 29247c478bd9Sstevel@tonic-gate * (reuse variable prop) 29257c478bd9Sstevel@tonic-gate */ 29267c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) 29277c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29287c478bd9Sstevel@tonic-gate 29297c478bd9Sstevel@tonic-gate /* 29307c478bd9Sstevel@tonic-gate * Get a copy of property name 29317c478bd9Sstevel@tonic-gate */ 29327c478bd9Sstevel@tonic-gate if ((prop->name = strdup(opp->oprom_array)) == NULL) { 29337c478bd9Sstevel@tonic-gate free(prop); 29347c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29357c478bd9Sstevel@tonic-gate } 29367c478bd9Sstevel@tonic-gate 29377c478bd9Sstevel@tonic-gate /* 29387c478bd9Sstevel@tonic-gate * get property value and length 29397c478bd9Sstevel@tonic-gate */ 29407c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 29437c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 29447c478bd9Sstevel@tonic-gate free(prop->name); 29457c478bd9Sstevel@tonic-gate free(prop); 29467c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29477c478bd9Sstevel@tonic-gate } 29487c478bd9Sstevel@tonic-gate 29497c478bd9Sstevel@tonic-gate /* 29507c478bd9Sstevel@tonic-gate * make a copy of the property value 29517c478bd9Sstevel@tonic-gate */ 29527c478bd9Sstevel@tonic-gate prop->len = opp->oprom_size; 29537c478bd9Sstevel@tonic-gate 29547c478bd9Sstevel@tonic-gate if (prop->len == 0) 29557c478bd9Sstevel@tonic-gate prop->data = NULL; 29567c478bd9Sstevel@tonic-gate else if ((prop->data = malloc(prop->len)) == NULL) { 29577c478bd9Sstevel@tonic-gate free(prop->name); 29587c478bd9Sstevel@tonic-gate free(prop); 29597c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29607c478bd9Sstevel@tonic-gate } 29617c478bd9Sstevel@tonic-gate 29627c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate /* 29657c478bd9Sstevel@tonic-gate * Prepend prop to list in prom handle 29667c478bd9Sstevel@tonic-gate */ 29677c478bd9Sstevel@tonic-gate prop->next = p->list; 29687c478bd9Sstevel@tonic-gate p->list = prop; 29697c478bd9Sstevel@tonic-gate 29707c478bd9Sstevel@tonic-gate return ((di_prom_prop_t)prop); 29717c478bd9Sstevel@tonic-gate } 29727c478bd9Sstevel@tonic-gate 29737c478bd9Sstevel@tonic-gate di_prom_prop_t 29747c478bd9Sstevel@tonic-gate di_prom_prop_next(di_prom_handle_t ph, di_node_t node, di_prom_prop_t prom_prop) 29757c478bd9Sstevel@tonic-gate { 29767c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 29777c478bd9Sstevel@tonic-gate 29787c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Search next prop for node 0x%p with ph 0x%p\n", 29797c478bd9Sstevel@tonic-gate node, p)); 29807c478bd9Sstevel@tonic-gate 29817c478bd9Sstevel@tonic-gate /* 29827c478bd9Sstevel@tonic-gate * paranoid check 29837c478bd9Sstevel@tonic-gate */ 29847c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 29857c478bd9Sstevel@tonic-gate errno = EINVAL; 29867c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29877c478bd9Sstevel@tonic-gate } 29887c478bd9Sstevel@tonic-gate 29897c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 29907c478bd9Sstevel@tonic-gate errno = ENXIO; 29917c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29927c478bd9Sstevel@tonic-gate } 29937c478bd9Sstevel@tonic-gate 29947c478bd9Sstevel@tonic-gate /* 29957c478bd9Sstevel@tonic-gate * synchronize access to prom file descriptor 29967c478bd9Sstevel@tonic-gate */ 29977c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 29987c478bd9Sstevel@tonic-gate 29997c478bd9Sstevel@tonic-gate /* 30007c478bd9Sstevel@tonic-gate * look for next property 30017c478bd9Sstevel@tonic-gate */ 30027c478bd9Sstevel@tonic-gate prom_prop = di_prom_prop_found(ph, DI_NODE(node)->nodeid, prom_prop); 30037c478bd9Sstevel@tonic-gate 30047c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30057c478bd9Sstevel@tonic-gate 30067c478bd9Sstevel@tonic-gate return (prom_prop); 30077c478bd9Sstevel@tonic-gate } 30087c478bd9Sstevel@tonic-gate 30097c478bd9Sstevel@tonic-gate char * 30107c478bd9Sstevel@tonic-gate di_prom_prop_name(di_prom_prop_t prom_prop) 30117c478bd9Sstevel@tonic-gate { 30127c478bd9Sstevel@tonic-gate /* 30137c478bd9Sstevel@tonic-gate * paranoid check 30147c478bd9Sstevel@tonic-gate */ 30157c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 30167c478bd9Sstevel@tonic-gate errno = EINVAL; 30177c478bd9Sstevel@tonic-gate return (NULL); 30187c478bd9Sstevel@tonic-gate } 30197c478bd9Sstevel@tonic-gate 30207c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->name); 30217c478bd9Sstevel@tonic-gate } 30227c478bd9Sstevel@tonic-gate 30237c478bd9Sstevel@tonic-gate int 30247c478bd9Sstevel@tonic-gate di_prom_prop_data(di_prom_prop_t prom_prop, uchar_t **prom_prop_data) 30257c478bd9Sstevel@tonic-gate { 30267c478bd9Sstevel@tonic-gate /* 30277c478bd9Sstevel@tonic-gate * paranoid check 30287c478bd9Sstevel@tonic-gate */ 30297c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 30307c478bd9Sstevel@tonic-gate errno = EINVAL; 3031*f00128d8SToomas Soome return (0); 30327c478bd9Sstevel@tonic-gate } 30337c478bd9Sstevel@tonic-gate 30347c478bd9Sstevel@tonic-gate *prom_prop_data = ((struct di_prom_prop *)prom_prop)->data; 30357c478bd9Sstevel@tonic-gate 30367c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->len); 30377c478bd9Sstevel@tonic-gate } 30387c478bd9Sstevel@tonic-gate 30397c478bd9Sstevel@tonic-gate /* 30407c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 30417c478bd9Sstevel@tonic-gate * Returns length if found, -1 if prop doesn't exist. 30427c478bd9Sstevel@tonic-gate */ 30437c478bd9Sstevel@tonic-gate static struct di_prom_prop * 30447c478bd9Sstevel@tonic-gate di_prom_prop_lookup_common(di_prom_handle_t ph, di_node_t node, 30457c478bd9Sstevel@tonic-gate const char *prom_prop_name) 30467c478bd9Sstevel@tonic-gate { 30477c478bd9Sstevel@tonic-gate struct openpromio *opp; 30487c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 30497c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 30507c478bd9Sstevel@tonic-gate 30517c478bd9Sstevel@tonic-gate /* 30527c478bd9Sstevel@tonic-gate * paranoid check 30537c478bd9Sstevel@tonic-gate */ 30547c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 30557c478bd9Sstevel@tonic-gate errno = EINVAL; 30567c478bd9Sstevel@tonic-gate return (NULL); 30577c478bd9Sstevel@tonic-gate } 30587c478bd9Sstevel@tonic-gate 30597c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 30607c478bd9Sstevel@tonic-gate errno = ENXIO; 30617c478bd9Sstevel@tonic-gate return (NULL); 30627c478bd9Sstevel@tonic-gate } 30637c478bd9Sstevel@tonic-gate 30647c478bd9Sstevel@tonic-gate opp = &p->oppbuf.opp; 30657c478bd9Sstevel@tonic-gate 30667c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 30697c478bd9Sstevel@tonic-gate opp->oprom_node = DI_NODE(node)->nodeid; 30707c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 30717c478bd9Sstevel@tonic-gate errno = ENXIO; 30727c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", 30737c478bd9Sstevel@tonic-gate DI_NODE(node)->nodeid)); 30747c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30757c478bd9Sstevel@tonic-gate return (NULL); 30767c478bd9Sstevel@tonic-gate } 30777c478bd9Sstevel@tonic-gate 30787c478bd9Sstevel@tonic-gate /* 30797c478bd9Sstevel@tonic-gate * get property length 30807c478bd9Sstevel@tonic-gate */ 30817c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 30827c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 30837c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 30847c478bd9Sstevel@tonic-gate 30857c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROPLEN, opp) < 0) || 30867c478bd9Sstevel@tonic-gate (opp->oprom_len == -1)) { 30877c478bd9Sstevel@tonic-gate /* no such property */ 30887c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30897c478bd9Sstevel@tonic-gate return (NULL); 30907c478bd9Sstevel@tonic-gate } 30917c478bd9Sstevel@tonic-gate 30927c478bd9Sstevel@tonic-gate /* 30937c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 30947c478bd9Sstevel@tonic-gate */ 30957c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) { 30967c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30977c478bd9Sstevel@tonic-gate return (NULL); 30987c478bd9Sstevel@tonic-gate } 30997c478bd9Sstevel@tonic-gate prop->name = NULL; /* we don't need the name */ 31007c478bd9Sstevel@tonic-gate prop->len = opp->oprom_len; 31017c478bd9Sstevel@tonic-gate 31027c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31037c478bd9Sstevel@tonic-gate prop->data = NULL; 31047c478bd9Sstevel@tonic-gate prop->next = p->list; 31057c478bd9Sstevel@tonic-gate p->list = prop; 31067c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31077c478bd9Sstevel@tonic-gate return (prop); 31087c478bd9Sstevel@tonic-gate } 31097c478bd9Sstevel@tonic-gate 31107c478bd9Sstevel@tonic-gate /* 31117c478bd9Sstevel@tonic-gate * retrieve the property value 31127c478bd9Sstevel@tonic-gate */ 31137c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 31147c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 31157c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 31187c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 31197c478bd9Sstevel@tonic-gate /* error retrieving property value */ 31207c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31217c478bd9Sstevel@tonic-gate free(prop); 31227c478bd9Sstevel@tonic-gate return (NULL); 31237c478bd9Sstevel@tonic-gate } 31247c478bd9Sstevel@tonic-gate 31257c478bd9Sstevel@tonic-gate /* 31267c478bd9Sstevel@tonic-gate * make a copy of the property value, stick in ph->list 31277c478bd9Sstevel@tonic-gate */ 31287c478bd9Sstevel@tonic-gate if ((prop->data = malloc(prop->len)) == NULL) { 31297c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31307c478bd9Sstevel@tonic-gate free(prop); 31317c478bd9Sstevel@tonic-gate return (NULL); 31327c478bd9Sstevel@tonic-gate } 31337c478bd9Sstevel@tonic-gate 31347c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 31357c478bd9Sstevel@tonic-gate 31367c478bd9Sstevel@tonic-gate prop->next = p->list; 31377c478bd9Sstevel@tonic-gate p->list = prop; 31387c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31397c478bd9Sstevel@tonic-gate 31407c478bd9Sstevel@tonic-gate return (prop); 31417c478bd9Sstevel@tonic-gate } 31427c478bd9Sstevel@tonic-gate 31437c478bd9Sstevel@tonic-gate int 31447c478bd9Sstevel@tonic-gate di_prom_prop_lookup_ints(di_prom_handle_t ph, di_node_t node, 31457c478bd9Sstevel@tonic-gate const char *prom_prop_name, int **prom_prop_data) 31467c478bd9Sstevel@tonic-gate { 31477c478bd9Sstevel@tonic-gate int len; 31487c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 31497c478bd9Sstevel@tonic-gate 31507c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 31517c478bd9Sstevel@tonic-gate 31527c478bd9Sstevel@tonic-gate if (prop == NULL) { 31537c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31547c478bd9Sstevel@tonic-gate return (-1); 31557c478bd9Sstevel@tonic-gate } 31567c478bd9Sstevel@tonic-gate 31577c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31587c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31597c478bd9Sstevel@tonic-gate return (0); 31607c478bd9Sstevel@tonic-gate } 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 31637c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT, 1); 31647c478bd9Sstevel@tonic-gate *prom_prop_data = (int *)((void *)prop->data); 31657c478bd9Sstevel@tonic-gate 31667c478bd9Sstevel@tonic-gate return (len); 31677c478bd9Sstevel@tonic-gate } 31687c478bd9Sstevel@tonic-gate 31697c478bd9Sstevel@tonic-gate int 31707c478bd9Sstevel@tonic-gate di_prom_prop_lookup_strings(di_prom_handle_t ph, di_node_t node, 31717c478bd9Sstevel@tonic-gate const char *prom_prop_name, char **prom_prop_data) 31727c478bd9Sstevel@tonic-gate { 31737c478bd9Sstevel@tonic-gate int len; 31747c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 31757c478bd9Sstevel@tonic-gate 31767c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate if (prop == NULL) { 31797c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31807c478bd9Sstevel@tonic-gate return (-1); 31817c478bd9Sstevel@tonic-gate } 31827c478bd9Sstevel@tonic-gate 31837c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31847c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31857c478bd9Sstevel@tonic-gate return (0); 31867c478bd9Sstevel@tonic-gate } 31877c478bd9Sstevel@tonic-gate 31887c478bd9Sstevel@tonic-gate /* 31897c478bd9Sstevel@tonic-gate * Fix an openprom bug (OBP string not NULL terminated). 31907c478bd9Sstevel@tonic-gate * XXX This should really be fixed in promif. 31917c478bd9Sstevel@tonic-gate */ 31927c478bd9Sstevel@tonic-gate if (((char *)prop->data)[prop->len - 1] != '\0') { 31937c478bd9Sstevel@tonic-gate uchar_t *tmp; 31947c478bd9Sstevel@tonic-gate prop->len++; 31957c478bd9Sstevel@tonic-gate if ((tmp = realloc(prop->data, prop->len)) == NULL) 31967c478bd9Sstevel@tonic-gate return (-1); 31977c478bd9Sstevel@tonic-gate 31987c478bd9Sstevel@tonic-gate prop->data = tmp; 31997c478bd9Sstevel@tonic-gate ((char *)prop->data)[prop->len - 1] = '\0'; 32007c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "OBP string not NULL terminated: " 32017c478bd9Sstevel@tonic-gate "node=%s, prop=%s, val=%s\n", 32027c478bd9Sstevel@tonic-gate di_node_name(node), prom_prop_name, prop->data)); 32037c478bd9Sstevel@tonic-gate } 32047c478bd9Sstevel@tonic-gate 32057c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 32067c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING, 1); 32077c478bd9Sstevel@tonic-gate *prom_prop_data = (char *)prop->data; 32087c478bd9Sstevel@tonic-gate 32097c478bd9Sstevel@tonic-gate return (len); 32107c478bd9Sstevel@tonic-gate } 32117c478bd9Sstevel@tonic-gate 32127c478bd9Sstevel@tonic-gate int 32137c478bd9Sstevel@tonic-gate di_prom_prop_lookup_bytes(di_prom_handle_t ph, di_node_t node, 32147c478bd9Sstevel@tonic-gate const char *prom_prop_name, uchar_t **prom_prop_data) 32157c478bd9Sstevel@tonic-gate { 32167c478bd9Sstevel@tonic-gate int len; 32177c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 32187c478bd9Sstevel@tonic-gate 32197c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 32207c478bd9Sstevel@tonic-gate 32217c478bd9Sstevel@tonic-gate if (prop == NULL) { 32227c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 32237c478bd9Sstevel@tonic-gate return (-1); 32247c478bd9Sstevel@tonic-gate } 32257c478bd9Sstevel@tonic-gate 32267c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 32277c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 32287c478bd9Sstevel@tonic-gate return (0); 32297c478bd9Sstevel@tonic-gate } 32307c478bd9Sstevel@tonic-gate 32317c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 32327c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE, 1); 32337c478bd9Sstevel@tonic-gate *prom_prop_data = prop->data; 32347c478bd9Sstevel@tonic-gate 32357c478bd9Sstevel@tonic-gate return (len); 32367c478bd9Sstevel@tonic-gate } 32377c478bd9Sstevel@tonic-gate 32383ebafc43Sjveta /* 32393ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 32403ebafc43Sjveta * and the number of entries (count) as the function return value; 32413ebafc43Sjveta * use di_slot_names_free() to free the array 32423ebafc43Sjveta */ 32433ebafc43Sjveta int 32443ebafc43Sjveta di_prop_slot_names(di_prop_t prop, di_slot_name_t **prop_data) 32453ebafc43Sjveta { 32463ebafc43Sjveta int rawlen, count; 32473ebafc43Sjveta uchar_t *rawdata; 32483ebafc43Sjveta char *nm = di_prop_name(prop); 32493ebafc43Sjveta 32503ebafc43Sjveta if (nm == NULL || strcmp(DI_PROP_SLOT_NAMES, nm) != 0) 32513ebafc43Sjveta goto ERROUT; 32523ebafc43Sjveta 32533ebafc43Sjveta rawlen = di_prop_rawdata(prop, &rawdata); 32543ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 32553ebafc43Sjveta goto ERROUT; 32563ebafc43Sjveta 32573ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 32583ebafc43Sjveta if (count < 0 || *prop_data == NULL) 32593ebafc43Sjveta goto ERROUT; 32603ebafc43Sjveta 32613ebafc43Sjveta return (count); 32623ebafc43Sjveta /*NOTREACHED*/ 32633ebafc43Sjveta ERROUT: 32643ebafc43Sjveta errno = EFAULT; 32653ebafc43Sjveta *prop_data = NULL; 32663ebafc43Sjveta return (-1); 32673ebafc43Sjveta } 32683ebafc43Sjveta 32693ebafc43Sjveta int 32703ebafc43Sjveta di_prop_lookup_slot_names(dev_t dev, di_node_t node, 32713ebafc43Sjveta di_slot_name_t **prop_data) 32723ebafc43Sjveta { 32733ebafc43Sjveta di_prop_t prop; 32743ebafc43Sjveta 32753ebafc43Sjveta /* 32763ebafc43Sjveta * change this if and when DI_PROP_TYPE_COMPOSITE is implemented 32773ebafc43Sjveta * and slot-names is properly flagged as such 32783ebafc43Sjveta */ 32793ebafc43Sjveta if ((prop = di_prop_find(dev, node, DI_PROP_SLOT_NAMES)) == 32803ebafc43Sjveta DI_PROP_NIL) { 32813ebafc43Sjveta *prop_data = NULL; 32823ebafc43Sjveta return (-1); 32833ebafc43Sjveta } 32843ebafc43Sjveta 32853ebafc43Sjveta return (di_prop_slot_names(prop, (void *)prop_data)); 32863ebafc43Sjveta } 32873ebafc43Sjveta 32883ebafc43Sjveta /* 32893ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 32903ebafc43Sjveta * and the number of entries (count) as the function return value; 32913ebafc43Sjveta * use di_slot_names_free() to free the array 32923ebafc43Sjveta */ 32933ebafc43Sjveta int 32943ebafc43Sjveta di_prom_prop_slot_names(di_prom_prop_t prom_prop, di_slot_name_t **prop_data) 32953ebafc43Sjveta { 32963ebafc43Sjveta int rawlen, count; 32973ebafc43Sjveta uchar_t *rawdata; 32983ebafc43Sjveta 32993ebafc43Sjveta rawlen = di_prom_prop_data(prom_prop, &rawdata); 33003ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 33013ebafc43Sjveta goto ERROUT; 33023ebafc43Sjveta 33033ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 33043ebafc43Sjveta if (count < 0 || *prop_data == NULL) 33053ebafc43Sjveta goto ERROUT; 33063ebafc43Sjveta 33073ebafc43Sjveta return (count); 33083ebafc43Sjveta /*NOTREACHED*/ 33093ebafc43Sjveta ERROUT: 33103ebafc43Sjveta errno = EFAULT; 33113ebafc43Sjveta *prop_data = NULL; 33123ebafc43Sjveta return (-1); 33133ebafc43Sjveta } 33143ebafc43Sjveta 33153ebafc43Sjveta int 33163ebafc43Sjveta di_prom_prop_lookup_slot_names(di_prom_handle_t ph, di_node_t node, 33173ebafc43Sjveta di_slot_name_t **prop_data) 33183ebafc43Sjveta { 33193ebafc43Sjveta struct di_prom_prop *prom_prop; 33203ebafc43Sjveta 33213ebafc43Sjveta prom_prop = di_prom_prop_lookup_common(ph, node, DI_PROP_SLOT_NAMES); 33223ebafc43Sjveta if (prom_prop == NULL) { 33233ebafc43Sjveta *prop_data = NULL; 33243ebafc43Sjveta return (-1); 33253ebafc43Sjveta } 33263ebafc43Sjveta 33273ebafc43Sjveta return (di_prom_prop_slot_names(prom_prop, prop_data)); 33283ebafc43Sjveta } 33293ebafc43Sjveta 33307c478bd9Sstevel@tonic-gate di_lnode_t 33317c478bd9Sstevel@tonic-gate di_link_to_lnode(di_link_t link, uint_t endpoint) 33327c478bd9Sstevel@tonic-gate { 33337c478bd9Sstevel@tonic-gate struct di_all *di_all; 33347c478bd9Sstevel@tonic-gate 33357c478bd9Sstevel@tonic-gate if ((link == DI_LINK_NIL) || 33367c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 33377c478bd9Sstevel@tonic-gate errno = EINVAL; 33387c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 33397c478bd9Sstevel@tonic-gate } 33407c478bd9Sstevel@tonic-gate 33417c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)link - DI_LINK(link)->self); 33427c478bd9Sstevel@tonic-gate 33437c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 33447c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->src_lnode)); 33457c478bd9Sstevel@tonic-gate } else { 33467c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->tgt_lnode)); 33477c478bd9Sstevel@tonic-gate } 33487c478bd9Sstevel@tonic-gate /* NOTREACHED */ 33497c478bd9Sstevel@tonic-gate } 33507c478bd9Sstevel@tonic-gate 33517c478bd9Sstevel@tonic-gate char * 33527c478bd9Sstevel@tonic-gate di_lnode_name(di_lnode_t lnode) 33537c478bd9Sstevel@tonic-gate { 33547c478bd9Sstevel@tonic-gate return (di_driver_name(di_lnode_devinfo(lnode))); 33557c478bd9Sstevel@tonic-gate } 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate di_node_t 33587c478bd9Sstevel@tonic-gate di_lnode_devinfo(di_lnode_t lnode) 33597c478bd9Sstevel@tonic-gate { 33607c478bd9Sstevel@tonic-gate struct di_all *di_all; 33617c478bd9Sstevel@tonic-gate 33627c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 33637c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)di_all + DI_LNODE(lnode)->node)); 33647c478bd9Sstevel@tonic-gate } 33657c478bd9Sstevel@tonic-gate 33667c478bd9Sstevel@tonic-gate int 33677c478bd9Sstevel@tonic-gate di_lnode_devt(di_lnode_t lnode, dev_t *devt) 33687c478bd9Sstevel@tonic-gate { 33697c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || (devt == NULL)) { 33707c478bd9Sstevel@tonic-gate errno = EINVAL; 33717c478bd9Sstevel@tonic-gate return (-1); 33727c478bd9Sstevel@tonic-gate } 33737c478bd9Sstevel@tonic-gate if ((DI_LNODE(lnode)->dev_major == (major_t)-1) && 33747c478bd9Sstevel@tonic-gate (DI_LNODE(lnode)->dev_minor == (minor_t)-1)) 33757c478bd9Sstevel@tonic-gate return (-1); 33767c478bd9Sstevel@tonic-gate 33777c478bd9Sstevel@tonic-gate *devt = makedev(DI_LNODE(lnode)->dev_major, DI_LNODE(lnode)->dev_minor); 33787c478bd9Sstevel@tonic-gate return (0); 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate int 33827c478bd9Sstevel@tonic-gate di_link_spectype(di_link_t link) 33837c478bd9Sstevel@tonic-gate { 33847c478bd9Sstevel@tonic-gate return (DI_LINK(link)->spec_type); 33857c478bd9Sstevel@tonic-gate } 33867c478bd9Sstevel@tonic-gate 33877c478bd9Sstevel@tonic-gate void 33887c478bd9Sstevel@tonic-gate di_minor_private_set(di_minor_t minor, void *data) 33897c478bd9Sstevel@tonic-gate { 33907c478bd9Sstevel@tonic-gate DI_MINOR(minor)->user_private_data = (uintptr_t)data; 33917c478bd9Sstevel@tonic-gate } 33927c478bd9Sstevel@tonic-gate 33937c478bd9Sstevel@tonic-gate void * 33947c478bd9Sstevel@tonic-gate di_minor_private_get(di_minor_t minor) 33957c478bd9Sstevel@tonic-gate { 33968309866bSanish return ((void *)(uintptr_t)DI_MINOR(minor)->user_private_data); 33977c478bd9Sstevel@tonic-gate } 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate void 34007c478bd9Sstevel@tonic-gate di_node_private_set(di_node_t node, void *data) 34017c478bd9Sstevel@tonic-gate { 34027c478bd9Sstevel@tonic-gate DI_NODE(node)->user_private_data = (uintptr_t)data; 34037c478bd9Sstevel@tonic-gate } 34047c478bd9Sstevel@tonic-gate 34057c478bd9Sstevel@tonic-gate void * 34067c478bd9Sstevel@tonic-gate di_node_private_get(di_node_t node) 34077c478bd9Sstevel@tonic-gate { 34088309866bSanish return ((void *)(uintptr_t)DI_NODE(node)->user_private_data); 34097c478bd9Sstevel@tonic-gate } 34107c478bd9Sstevel@tonic-gate 34117c478bd9Sstevel@tonic-gate void 3412602ca9eaScth di_path_private_set(di_path_t path, void *data) 3413602ca9eaScth { 3414602ca9eaScth DI_PATH(path)->user_private_data = (uintptr_t)data; 3415602ca9eaScth } 3416602ca9eaScth 3417602ca9eaScth void * 3418602ca9eaScth di_path_private_get(di_path_t path) 3419602ca9eaScth { 3420602ca9eaScth return ((void *)(uintptr_t)DI_PATH(path)->user_private_data); 3421602ca9eaScth } 3422602ca9eaScth 3423602ca9eaScth void 34247c478bd9Sstevel@tonic-gate di_lnode_private_set(di_lnode_t lnode, void *data) 34257c478bd9Sstevel@tonic-gate { 34267c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->user_private_data = (uintptr_t)data; 34277c478bd9Sstevel@tonic-gate } 34287c478bd9Sstevel@tonic-gate 34297c478bd9Sstevel@tonic-gate void * 34307c478bd9Sstevel@tonic-gate di_lnode_private_get(di_lnode_t lnode) 34317c478bd9Sstevel@tonic-gate { 34328309866bSanish return ((void *)(uintptr_t)DI_LNODE(lnode)->user_private_data); 34337c478bd9Sstevel@tonic-gate } 34347c478bd9Sstevel@tonic-gate 34357c478bd9Sstevel@tonic-gate void 34367c478bd9Sstevel@tonic-gate di_link_private_set(di_link_t link, void *data) 34377c478bd9Sstevel@tonic-gate { 34387c478bd9Sstevel@tonic-gate DI_LINK(link)->user_private_data = (uintptr_t)data; 34397c478bd9Sstevel@tonic-gate } 34407c478bd9Sstevel@tonic-gate 34417c478bd9Sstevel@tonic-gate void * 34427c478bd9Sstevel@tonic-gate di_link_private_get(di_link_t link) 34437c478bd9Sstevel@tonic-gate { 34448309866bSanish return ((void *)(uintptr_t)DI_LINK(link)->user_private_data); 34457c478bd9Sstevel@tonic-gate } 34467c478bd9Sstevel@tonic-gate 34477c478bd9Sstevel@tonic-gate di_lnode_t 34487c478bd9Sstevel@tonic-gate di_lnode_next(di_node_t node, di_lnode_t lnode) 34497c478bd9Sstevel@tonic-gate { 34507c478bd9Sstevel@tonic-gate struct di_all *di_all; 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate /* 34537c478bd9Sstevel@tonic-gate * paranoid error checking 34547c478bd9Sstevel@tonic-gate */ 34557c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 34567c478bd9Sstevel@tonic-gate errno = EINVAL; 34577c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 34587c478bd9Sstevel@tonic-gate } 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 34617c478bd9Sstevel@tonic-gate 34627c478bd9Sstevel@tonic-gate if (lnode == DI_NODE_NIL) { 3463*f00128d8SToomas Soome if (DI_NODE(node)->lnodes != 0) 34647c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 34657c478bd9Sstevel@tonic-gate DI_NODE(node)->lnodes)); 34667c478bd9Sstevel@tonic-gate } else { 3467*f00128d8SToomas Soome if (DI_LNODE(lnode)->node_next != 0) 34687c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 34697c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->node_next)); 34707c478bd9Sstevel@tonic-gate } 34717c478bd9Sstevel@tonic-gate 34727c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 34737c478bd9Sstevel@tonic-gate errno = ENXIO; 34747c478bd9Sstevel@tonic-gate else 34757c478bd9Sstevel@tonic-gate errno = ENOTSUP; 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 34787c478bd9Sstevel@tonic-gate } 34797c478bd9Sstevel@tonic-gate 34807c478bd9Sstevel@tonic-gate di_link_t 34817c478bd9Sstevel@tonic-gate di_link_next_by_node(di_node_t node, di_link_t link, uint_t endpoint) 34827c478bd9Sstevel@tonic-gate { 34837c478bd9Sstevel@tonic-gate struct di_all *di_all; 34847c478bd9Sstevel@tonic-gate 34857c478bd9Sstevel@tonic-gate /* 34867c478bd9Sstevel@tonic-gate * paranoid error checking 34877c478bd9Sstevel@tonic-gate */ 34887c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || 34897c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 34907c478bd9Sstevel@tonic-gate errno = EINVAL; 34917c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 34927c478bd9Sstevel@tonic-gate } 34937c478bd9Sstevel@tonic-gate 34947c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 34977c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 3498*f00128d8SToomas Soome if (DI_NODE(node)->src_links != 0) 34997c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35007c478bd9Sstevel@tonic-gate DI_NODE(node)->src_links)); 35017c478bd9Sstevel@tonic-gate } else { 3502*f00128d8SToomas Soome if (DI_LINK(link)->src_node_next != 0) 35037c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35047c478bd9Sstevel@tonic-gate DI_LINK(link)->src_node_next)); 35057c478bd9Sstevel@tonic-gate } 35067c478bd9Sstevel@tonic-gate } else { 35077c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 3508*f00128d8SToomas Soome if (DI_NODE(node)->tgt_links != 0) 35097c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35107c478bd9Sstevel@tonic-gate DI_NODE(node)->tgt_links)); 35117c478bd9Sstevel@tonic-gate } else { 3512*f00128d8SToomas Soome if (DI_LINK(link)->tgt_node_next != 0) 35137c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35147c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_node_next)); 35157c478bd9Sstevel@tonic-gate } 35167c478bd9Sstevel@tonic-gate } 35177c478bd9Sstevel@tonic-gate 35187c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 35197c478bd9Sstevel@tonic-gate errno = ENXIO; 35207c478bd9Sstevel@tonic-gate else 35217c478bd9Sstevel@tonic-gate errno = ENOTSUP; 35227c478bd9Sstevel@tonic-gate 35237c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35247c478bd9Sstevel@tonic-gate } 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate di_link_t 35277c478bd9Sstevel@tonic-gate di_link_next_by_lnode(di_lnode_t lnode, di_link_t link, uint_t endpoint) 35287c478bd9Sstevel@tonic-gate { 35297c478bd9Sstevel@tonic-gate struct di_all *di_all; 35307c478bd9Sstevel@tonic-gate 35317c478bd9Sstevel@tonic-gate /* 35327c478bd9Sstevel@tonic-gate * paranoid error checking 35337c478bd9Sstevel@tonic-gate */ 35347c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || 35357c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 35367c478bd9Sstevel@tonic-gate errno = EINVAL; 35377c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35387c478bd9Sstevel@tonic-gate } 35397c478bd9Sstevel@tonic-gate 35407c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 35417c478bd9Sstevel@tonic-gate 35427c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 35437c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 3544*f00128d8SToomas Soome if (DI_LNODE(lnode)->link_out == 0) 35457c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35467c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35477c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_out)); 35487c478bd9Sstevel@tonic-gate } else { 3549*f00128d8SToomas Soome if (DI_LINK(link)->src_link_next == 0) 35507c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35517c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35527c478bd9Sstevel@tonic-gate DI_LINK(link)->src_link_next)); 35537c478bd9Sstevel@tonic-gate } 35547c478bd9Sstevel@tonic-gate } else { 35557c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 3556*f00128d8SToomas Soome if (DI_LNODE(lnode)->link_in == 0) 35577c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35587c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35597c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_in)); 35607c478bd9Sstevel@tonic-gate } else { 3561*f00128d8SToomas Soome if (DI_LINK(link)->tgt_link_next == 0) 35627c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35637c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35647c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_link_next)); 35657c478bd9Sstevel@tonic-gate } 35667c478bd9Sstevel@tonic-gate } 35677c478bd9Sstevel@tonic-gate /* NOTREACHED */ 35687c478bd9Sstevel@tonic-gate } 35697c478bd9Sstevel@tonic-gate 35707c478bd9Sstevel@tonic-gate /* 35717c478bd9Sstevel@tonic-gate * Internal library function: 35727c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 35737c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 35747c478bd9Sstevel@tonic-gate * 35757c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 35767c478bd9Sstevel@tonic-gate * first mode. 35777c478bd9Sstevel@tonic-gate */ 35787c478bd9Sstevel@tonic-gate static void 35797c478bd9Sstevel@tonic-gate walk_one_link(struct node_list **headp, uint_t ep, 35807c478bd9Sstevel@tonic-gate void *arg, int (*callback)(di_link_t link, void *arg)) 35817c478bd9Sstevel@tonic-gate { 35827c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 35837c478bd9Sstevel@tonic-gate di_link_t link = DI_LINK_NIL; 35847c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 35857c478bd9Sstevel@tonic-gate 35867c478bd9Sstevel@tonic-gate while ((link = di_link_next_by_node(node, link, ep)) != DI_LINK_NIL) { 35877c478bd9Sstevel@tonic-gate action = callback(link, arg); 35887c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 35897c478bd9Sstevel@tonic-gate break; 35907c478bd9Sstevel@tonic-gate } 35917c478bd9Sstevel@tonic-gate } 35927c478bd9Sstevel@tonic-gate 35937c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 35947c478bd9Sstevel@tonic-gate } 35957c478bd9Sstevel@tonic-gate 35967c478bd9Sstevel@tonic-gate int 35977c478bd9Sstevel@tonic-gate di_walk_link(di_node_t root, uint_t flag, uint_t endpoint, void *arg, 35987c478bd9Sstevel@tonic-gate int (*link_callback)(di_link_t link, void *arg)) 35997c478bd9Sstevel@tonic-gate { 36007c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 36017c478bd9Sstevel@tonic-gate 36027c478bd9Sstevel@tonic-gate #ifdef DEBUG 3603602ca9eaScth char *devfspath = di_devfs_path(root); 36047c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking %s link data under %s\n", 3605602ca9eaScth (endpoint == DI_LINK_SRC) ? "src" : "tgt", devfspath)); 3606602ca9eaScth di_devfs_path_free(devfspath); 36077c478bd9Sstevel@tonic-gate #endif 36087c478bd9Sstevel@tonic-gate 36097c478bd9Sstevel@tonic-gate /* 36107c478bd9Sstevel@tonic-gate * paranoid error checking 36117c478bd9Sstevel@tonic-gate */ 36127c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (link_callback == NULL) || (flag != 0) || 36137c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 36147c478bd9Sstevel@tonic-gate errno = EINVAL; 36157c478bd9Sstevel@tonic-gate return (-1); 36167c478bd9Sstevel@tonic-gate } 36177c478bd9Sstevel@tonic-gate 36187c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 36197c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 36207c478bd9Sstevel@tonic-gate return (-1); 36217c478bd9Sstevel@tonic-gate } 36227c478bd9Sstevel@tonic-gate 36237c478bd9Sstevel@tonic-gate head->next = NULL; 36247c478bd9Sstevel@tonic-gate head->node = root; 36257c478bd9Sstevel@tonic-gate 36267c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start link data walking from node %s\n", 36277c478bd9Sstevel@tonic-gate di_node_name(root))); 36287c478bd9Sstevel@tonic-gate 36297c478bd9Sstevel@tonic-gate while (head != NULL) 36307c478bd9Sstevel@tonic-gate walk_one_link(&head, endpoint, arg, link_callback); 36317c478bd9Sstevel@tonic-gate 36327c478bd9Sstevel@tonic-gate return (0); 36337c478bd9Sstevel@tonic-gate } 36347c478bd9Sstevel@tonic-gate 36357c478bd9Sstevel@tonic-gate /* 36367c478bd9Sstevel@tonic-gate * Internal library function: 36377c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 36387c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 36397c478bd9Sstevel@tonic-gate * 36407c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 36417c478bd9Sstevel@tonic-gate * first mode. 36427c478bd9Sstevel@tonic-gate */ 36437c478bd9Sstevel@tonic-gate static void 36447c478bd9Sstevel@tonic-gate walk_one_lnode(struct node_list **headp, void *arg, 36457c478bd9Sstevel@tonic-gate int (*callback)(di_lnode_t lnode, void *arg)) 36467c478bd9Sstevel@tonic-gate { 36477c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 36487c478bd9Sstevel@tonic-gate di_lnode_t lnode = DI_LNODE_NIL; 36497c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 36507c478bd9Sstevel@tonic-gate 36517c478bd9Sstevel@tonic-gate while ((lnode = di_lnode_next(node, lnode)) != DI_LNODE_NIL) { 36527c478bd9Sstevel@tonic-gate action = callback(lnode, arg); 36537c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 36547c478bd9Sstevel@tonic-gate break; 36557c478bd9Sstevel@tonic-gate } 36567c478bd9Sstevel@tonic-gate } 36577c478bd9Sstevel@tonic-gate 36587c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 36597c478bd9Sstevel@tonic-gate } 36607c478bd9Sstevel@tonic-gate 36617c478bd9Sstevel@tonic-gate int 36627c478bd9Sstevel@tonic-gate di_walk_lnode(di_node_t root, uint_t flag, void *arg, 36637c478bd9Sstevel@tonic-gate int (*lnode_callback)(di_lnode_t lnode, void *arg)) 36647c478bd9Sstevel@tonic-gate { 36657c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 36667c478bd9Sstevel@tonic-gate 36677c478bd9Sstevel@tonic-gate #ifdef DEBUG 3668602ca9eaScth char *devfspath = di_devfs_path(root); 3669602ca9eaScth DPRINTF((DI_INFO, "walking lnode data under %s\n", devfspath)); 3670602ca9eaScth di_devfs_path_free(devfspath); 36717c478bd9Sstevel@tonic-gate #endif 36727c478bd9Sstevel@tonic-gate 36737c478bd9Sstevel@tonic-gate /* 36747c478bd9Sstevel@tonic-gate * paranoid error checking 36757c478bd9Sstevel@tonic-gate */ 36767c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (lnode_callback == NULL) || (flag != 0)) { 36777c478bd9Sstevel@tonic-gate errno = EINVAL; 36787c478bd9Sstevel@tonic-gate return (-1); 36797c478bd9Sstevel@tonic-gate } 36807c478bd9Sstevel@tonic-gate 36817c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 36827c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 36837c478bd9Sstevel@tonic-gate return (-1); 36847c478bd9Sstevel@tonic-gate } 36857c478bd9Sstevel@tonic-gate 36867c478bd9Sstevel@tonic-gate head->next = NULL; 36877c478bd9Sstevel@tonic-gate head->node = root; 36887c478bd9Sstevel@tonic-gate 36897c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start lnode data walking from node %s\n", 36907c478bd9Sstevel@tonic-gate di_node_name(root))); 36917c478bd9Sstevel@tonic-gate 36927c478bd9Sstevel@tonic-gate while (head != NULL) 36937c478bd9Sstevel@tonic-gate walk_one_lnode(&head, arg, lnode_callback); 36947c478bd9Sstevel@tonic-gate 36957c478bd9Sstevel@tonic-gate return (0); 36967c478bd9Sstevel@tonic-gate } 36977c478bd9Sstevel@tonic-gate 369894c894bbSVikram Hegde static char * 369994c894bbSVikram Hegde alias_to_curr(di_node_t anynode, char *devfspath, di_node_t *nodep) 370094c894bbSVikram Hegde { 370194c894bbSVikram Hegde caddr_t pa; 370294c894bbSVikram Hegde struct di_all *all; 370394c894bbSVikram Hegde struct di_alias *di_alias; 370494c894bbSVikram Hegde di_node_t node; 370594c894bbSVikram Hegde char *curr; 370694c894bbSVikram Hegde char *cp; 370794c894bbSVikram Hegde char *alias; 370894c894bbSVikram Hegde di_off_t off; 370994c894bbSVikram Hegde char buf[MAXPATHLEN]; 371094c894bbSVikram Hegde 371194c894bbSVikram Hegde *nodep = NULL; 371294c894bbSVikram Hegde 37136c70e1f8SJerry Gilliam if (anynode == DI_NODE_NIL || devfspath == NULL) 37146c70e1f8SJerry Gilliam return (NULL); 371594c894bbSVikram Hegde 371694c894bbSVikram Hegde pa = (caddr_t)anynode - DI_NODE(anynode)->self; 371794c894bbSVikram Hegde all = DI_ALL(pa); 371894c894bbSVikram Hegde 371994c894bbSVikram Hegde di_alias = NULL; 372094c894bbSVikram Hegde for (off = all->aliases; off > 0; off = di_alias->next) { 372194c894bbSVikram Hegde di_alias = DI_ALIAS(pa + off); 372294c894bbSVikram Hegde alias = di_alias->alias; 372394c894bbSVikram Hegde if (strncmp(devfspath, alias, strlen(alias)) == 0) { 372494c894bbSVikram Hegde cp = devfspath + strlen(alias); 372594c894bbSVikram Hegde node = DI_NODE(pa + di_alias->curroff); 372694c894bbSVikram Hegde assert(node != DI_NODE_NIL); 372794c894bbSVikram Hegde if (*cp == '\0') { 372894c894bbSVikram Hegde *nodep = node; 372994c894bbSVikram Hegde return (NULL); 373094c894bbSVikram Hegde } else if (*cp == '/') { 373194c894bbSVikram Hegde curr = di_devfs_path(node); 373294c894bbSVikram Hegde (void) snprintf(buf, sizeof (buf), "%s%s", 373394c894bbSVikram Hegde curr, cp); 373494c894bbSVikram Hegde di_devfs_path_free(curr); 373594c894bbSVikram Hegde curr = strdup(buf); 373694c894bbSVikram Hegde return (curr); 373794c894bbSVikram Hegde } 373894c894bbSVikram Hegde } 373994c894bbSVikram Hegde } 374094c894bbSVikram Hegde 374194c894bbSVikram Hegde return (NULL); 374294c894bbSVikram Hegde } 374394c894bbSVikram Hegde 374494c894bbSVikram Hegde static di_node_t 374594c894bbSVikram Hegde di_lookup_node_impl(di_node_t root, char *devfspath) 37467c478bd9Sstevel@tonic-gate { 37477c478bd9Sstevel@tonic-gate struct di_all *dap; 37487c478bd9Sstevel@tonic-gate di_node_t node; 3749602ca9eaScth char *copy, *slash, *pname, *paddr; 37507c478bd9Sstevel@tonic-gate 37517c478bd9Sstevel@tonic-gate /* 37527c478bd9Sstevel@tonic-gate * Path must be absolute and musn't have duplicate slashes 37537c478bd9Sstevel@tonic-gate */ 3754602ca9eaScth if (*devfspath != '/' || strstr(devfspath, "//")) { 3755602ca9eaScth DPRINTF((DI_ERR, "Invalid path: %s\n", devfspath)); 37567c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37577c478bd9Sstevel@tonic-gate } 37587c478bd9Sstevel@tonic-gate 37597c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 37607c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "root node is DI_NODE_NIL\n")); 37617c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37627c478bd9Sstevel@tonic-gate } 37637c478bd9Sstevel@tonic-gate 37647c478bd9Sstevel@tonic-gate dap = DI_ALL((caddr_t)root - DI_NODE(root)->self); 37657c478bd9Sstevel@tonic-gate if (strcmp(dap->root_path, "/") != 0) { 37667c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "snapshot root not / : %s\n", dap->root_path)); 37677c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37687c478bd9Sstevel@tonic-gate } 37697c478bd9Sstevel@tonic-gate 3770602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3771602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 37727c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37737c478bd9Sstevel@tonic-gate } 37747c478bd9Sstevel@tonic-gate 37757c478bd9Sstevel@tonic-gate for (slash = copy, node = root; slash; ) { 37767c478bd9Sstevel@tonic-gate 37777c478bd9Sstevel@tonic-gate /* 3778602ca9eaScth * Handle devfspath = "/" case as well as trailing '/' 37797c478bd9Sstevel@tonic-gate */ 37807c478bd9Sstevel@tonic-gate if (*(slash + 1) == '\0') 37817c478bd9Sstevel@tonic-gate break; 37827c478bd9Sstevel@tonic-gate 37837c478bd9Sstevel@tonic-gate /* 37847c478bd9Sstevel@tonic-gate * More path-components exist. Deal with the next one 37857c478bd9Sstevel@tonic-gate */ 37867c478bd9Sstevel@tonic-gate pname = slash + 1; 37877c478bd9Sstevel@tonic-gate node = di_child_node(node); 37887c478bd9Sstevel@tonic-gate 37897c478bd9Sstevel@tonic-gate if (slash = strchr(pname, '/')) 37907c478bd9Sstevel@tonic-gate *slash = '\0'; 37917c478bd9Sstevel@tonic-gate if (paddr = strchr(pname, '@')) 37927c478bd9Sstevel@tonic-gate *paddr++ = '\0'; 37937c478bd9Sstevel@tonic-gate 37947c478bd9Sstevel@tonic-gate for (; node != DI_NODE_NIL; node = di_sibling_node(node)) { 37957c478bd9Sstevel@tonic-gate char *name, *baddr; 37967c478bd9Sstevel@tonic-gate 37977c478bd9Sstevel@tonic-gate name = di_node_name(node); 37987c478bd9Sstevel@tonic-gate baddr = di_bus_addr(node); 37997c478bd9Sstevel@tonic-gate 38007c478bd9Sstevel@tonic-gate if (strcmp(pname, name) != 0) 38017c478bd9Sstevel@tonic-gate continue; 38027c478bd9Sstevel@tonic-gate 38037c478bd9Sstevel@tonic-gate /* 38047c478bd9Sstevel@tonic-gate * Mappings between a "path-address" and bus-addr 38057c478bd9Sstevel@tonic-gate * 38067c478bd9Sstevel@tonic-gate * paddr baddr 38077c478bd9Sstevel@tonic-gate * --------------------- 38087c478bd9Sstevel@tonic-gate * NULL NULL 38097c478bd9Sstevel@tonic-gate * NULL "" 38107c478bd9Sstevel@tonic-gate * "" N/A (invalid paddr) 38117c478bd9Sstevel@tonic-gate */ 38127c478bd9Sstevel@tonic-gate if (paddr && baddr && strcmp(paddr, baddr) == 0) 38137c478bd9Sstevel@tonic-gate break; 38147c478bd9Sstevel@tonic-gate if (paddr == NULL && (baddr == NULL || *baddr == '\0')) 38157c478bd9Sstevel@tonic-gate break; 38167c478bd9Sstevel@tonic-gate } 38177c478bd9Sstevel@tonic-gate 38187c478bd9Sstevel@tonic-gate /* 38197c478bd9Sstevel@tonic-gate * No nodes in the sibling list or there was no match 38207c478bd9Sstevel@tonic-gate */ 38217c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 38227c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s@%s: no node\n", pname, paddr)); 3823602ca9eaScth free(copy); 38247c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 38257c478bd9Sstevel@tonic-gate } 38267c478bd9Sstevel@tonic-gate } 38277c478bd9Sstevel@tonic-gate 38287c478bd9Sstevel@tonic-gate assert(node != DI_NODE_NIL); 3829602ca9eaScth free(copy); 38307c478bd9Sstevel@tonic-gate return (node); 38317c478bd9Sstevel@tonic-gate } 38327c478bd9Sstevel@tonic-gate 383394c894bbSVikram Hegde di_node_t 383494c894bbSVikram Hegde di_lookup_node(di_node_t root, char *devfspath) 383594c894bbSVikram Hegde { 383694c894bbSVikram Hegde di_node_t node; 383794c894bbSVikram Hegde char *curr; 383894c894bbSVikram Hegde 383994c894bbSVikram Hegde node = di_lookup_node_impl(root, devfspath); 384094c894bbSVikram Hegde if (node != DI_NODE_NIL) { 384194c894bbSVikram Hegde return (node); 384294c894bbSVikram Hegde } 384394c894bbSVikram Hegde 384494c894bbSVikram Hegde /* node is already set to DI_NODE_NIL */ 384594c894bbSVikram Hegde curr = alias_to_curr(root, devfspath, &node); 384694c894bbSVikram Hegde if (curr == NULL) { 384794c894bbSVikram Hegde /* node may or may node be DI_NODE_NIL */ 384894c894bbSVikram Hegde return (node); 384994c894bbSVikram Hegde } 385094c894bbSVikram Hegde 385194c894bbSVikram Hegde node = di_lookup_node_impl(root, curr); 385294c894bbSVikram Hegde 385394c894bbSVikram Hegde free(curr); 385494c894bbSVikram Hegde 385594c894bbSVikram Hegde return (node); 385694c894bbSVikram Hegde } 385794c894bbSVikram Hegde 385894c894bbSVikram Hegde char * 385994c894bbSVikram Hegde di_alias2curr(di_node_t anynode, char *alias) 386094c894bbSVikram Hegde { 386194c894bbSVikram Hegde di_node_t currnode = DI_NODE_NIL; 38626c70e1f8SJerry Gilliam char *curr; 386394c894bbSVikram Hegde 38646c70e1f8SJerry Gilliam if (anynode == DI_NODE_NIL || alias == NULL) 38656c70e1f8SJerry Gilliam return (NULL); 38666c70e1f8SJerry Gilliam 38676c70e1f8SJerry Gilliam curr = alias_to_curr(anynode, alias, &currnode); 386894c894bbSVikram Hegde if (curr == NULL && currnode != DI_NODE_NIL) { 386994c894bbSVikram Hegde return (di_devfs_path(currnode)); 387094c894bbSVikram Hegde } else if (curr == NULL) { 387194c894bbSVikram Hegde return (strdup(alias)); 387294c894bbSVikram Hegde } 387394c894bbSVikram Hegde 387494c894bbSVikram Hegde return (curr); 387594c894bbSVikram Hegde } 387694c894bbSVikram Hegde 3877602ca9eaScth di_path_t 3878602ca9eaScth di_lookup_path(di_node_t root, char *devfspath) 3879602ca9eaScth { 3880602ca9eaScth di_node_t phci_node; 3881602ca9eaScth di_path_t path = DI_PATH_NIL; 3882602ca9eaScth char *copy, *lastslash; 3883602ca9eaScth char *pname, *paddr; 3884602ca9eaScth char *path_name, *path_addr; 3885602ca9eaScth 3886602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3887602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 3888602ca9eaScth return (DI_NODE_NIL); 3889602ca9eaScth } 3890602ca9eaScth 3891602ca9eaScth if ((lastslash = strrchr(copy, '/')) == NULL) { 3892602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3893602ca9eaScth goto out; 3894602ca9eaScth } 3895602ca9eaScth 3896602ca9eaScth /* stop at pHCI and find the node for the phci */ 3897602ca9eaScth *lastslash = '\0'; 3898602ca9eaScth phci_node = di_lookup_node(root, copy); 3899602ca9eaScth if (phci_node == NULL) { 3900602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3901602ca9eaScth goto out; 3902602ca9eaScth } 3903602ca9eaScth 3904602ca9eaScth /* set up pname and paddr for last component */ 3905602ca9eaScth pname = lastslash + 1; 3906602ca9eaScth if ((paddr = strchr(pname, '@')) == NULL) { 3907602ca9eaScth DPRINTF((DI_ERR, "failed to find unit-addr: %s\n", devfspath)); 3908602ca9eaScth goto out; 3909602ca9eaScth } 3910602ca9eaScth *paddr++ = '\0'; 3911602ca9eaScth 3912602ca9eaScth /* walk paths below phci looking for match */ 3913602ca9eaScth for (path = di_path_phci_next_path(phci_node, DI_PATH_NIL); 3914602ca9eaScth path != DI_PATH_NIL; 3915602ca9eaScth path = di_path_phci_next_path(phci_node, path)) { 3916602ca9eaScth 3917602ca9eaScth /* get name@addr of path */ 3918602ca9eaScth path_name = di_path_node_name(path); 3919602ca9eaScth path_addr = di_path_bus_addr(path); 3920602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 3921602ca9eaScth continue; 3922602ca9eaScth 3923602ca9eaScth /* break on match */ 3924602ca9eaScth if ((strcmp(pname, path_name) == 0) && 3925602ca9eaScth (strcmp(paddr, path_addr) == 0)) 3926602ca9eaScth break; 3927602ca9eaScth } 3928602ca9eaScth 3929602ca9eaScth out: free(copy); 3930602ca9eaScth return (path); 3931602ca9eaScth } 3932602ca9eaScth 39337c478bd9Sstevel@tonic-gate static char * 39347c478bd9Sstevel@tonic-gate msglevel2str(di_debug_t msglevel) 39357c478bd9Sstevel@tonic-gate { 39367c478bd9Sstevel@tonic-gate switch (msglevel) { 39377c478bd9Sstevel@tonic-gate case DI_ERR: 39387c478bd9Sstevel@tonic-gate return ("ERROR"); 39397c478bd9Sstevel@tonic-gate case DI_INFO: 39407c478bd9Sstevel@tonic-gate return ("Info"); 39417c478bd9Sstevel@tonic-gate case DI_TRACE: 39427c478bd9Sstevel@tonic-gate return ("Trace"); 39437c478bd9Sstevel@tonic-gate case DI_TRACE1: 39447c478bd9Sstevel@tonic-gate return ("Trace1"); 39457c478bd9Sstevel@tonic-gate case DI_TRACE2: 39467c478bd9Sstevel@tonic-gate return ("Trace2"); 39477c478bd9Sstevel@tonic-gate default: 39487c478bd9Sstevel@tonic-gate return ("UNKNOWN"); 39497c478bd9Sstevel@tonic-gate } 39507c478bd9Sstevel@tonic-gate } 39517c478bd9Sstevel@tonic-gate 39527c478bd9Sstevel@tonic-gate void 39537c478bd9Sstevel@tonic-gate dprint(di_debug_t msglevel, const char *fmt, ...) 39547c478bd9Sstevel@tonic-gate { 39557c478bd9Sstevel@tonic-gate va_list ap; 39567c478bd9Sstevel@tonic-gate char *estr; 39577c478bd9Sstevel@tonic-gate 39587c478bd9Sstevel@tonic-gate if (di_debug <= DI_QUIET) 39597c478bd9Sstevel@tonic-gate return; 39607c478bd9Sstevel@tonic-gate 39617c478bd9Sstevel@tonic-gate if (di_debug < msglevel) 39627c478bd9Sstevel@tonic-gate return; 39637c478bd9Sstevel@tonic-gate 39647c478bd9Sstevel@tonic-gate estr = msglevel2str(msglevel); 39657c478bd9Sstevel@tonic-gate 39667c478bd9Sstevel@tonic-gate assert(estr); 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate va_start(ap, fmt); 39697c478bd9Sstevel@tonic-gate 39707c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "libdevinfo[%lu]: %s: ", 39717c478bd9Sstevel@tonic-gate (ulong_t)getpid(), estr); 39727c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate va_end(ap); 39757c478bd9Sstevel@tonic-gate } 39767c478bd9Sstevel@tonic-gate 39777c478bd9Sstevel@tonic-gate /* end of devinfo.c */ 3978