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 /* 224c06356bSdh142964 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 277c478bd9Sstevel@tonic-gate * Interfaces for getting device configuration data from kernel 287c478bd9Sstevel@tonic-gate * through the devinfo driver. 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #include <stdio.h> 327c478bd9Sstevel@tonic-gate #include <stdlib.h> 337c478bd9Sstevel@tonic-gate #include <string.h> 347c478bd9Sstevel@tonic-gate #include <strings.h> 357c478bd9Sstevel@tonic-gate #include <stropts.h> 367c478bd9Sstevel@tonic-gate #include <fcntl.h> 377c478bd9Sstevel@tonic-gate #include <poll.h> 387c478bd9Sstevel@tonic-gate #include <synch.h> 397c478bd9Sstevel@tonic-gate #include <unistd.h> 407c478bd9Sstevel@tonic-gate #include <sys/mkdev.h> 417c478bd9Sstevel@tonic-gate #include <sys/obpdefs.h> 427c478bd9Sstevel@tonic-gate #include <sys/stat.h> 437c478bd9Sstevel@tonic-gate #include <sys/types.h> 447c478bd9Sstevel@tonic-gate #include <sys/time.h> 457c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 467c478bd9Sstevel@tonic-gate #include <stdarg.h> 47*26947304SEvan Yan #include <sys/ddi_hp.h> 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate #define NDEBUG 1 507c478bd9Sstevel@tonic-gate #include <assert.h> 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #include "libdevinfo.h" 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* 557c478bd9Sstevel@tonic-gate * Debug message levels 567c478bd9Sstevel@tonic-gate */ 577c478bd9Sstevel@tonic-gate typedef enum { 587c478bd9Sstevel@tonic-gate DI_QUIET = 0, /* No debug messages - the default */ 597c478bd9Sstevel@tonic-gate DI_ERR = 1, 607c478bd9Sstevel@tonic-gate DI_INFO, 617c478bd9Sstevel@tonic-gate DI_TRACE, 627c478bd9Sstevel@tonic-gate DI_TRACE1, 637c478bd9Sstevel@tonic-gate DI_TRACE2 647c478bd9Sstevel@tonic-gate } di_debug_t; 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate int di_debug = DI_QUIET; 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate #define DPRINTF(args) { if (di_debug != DI_QUIET) dprint args; } 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate void dprint(di_debug_t msglevel, const char *fmt, ...); 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #pragma init(_libdevinfo_init) 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate void 767c478bd9Sstevel@tonic-gate _libdevinfo_init() 777c478bd9Sstevel@tonic-gate { 787c478bd9Sstevel@tonic-gate char *debug_str = getenv("_LIBDEVINFO_DEBUG"); 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate if (debug_str) { 817c478bd9Sstevel@tonic-gate errno = 0; 827c478bd9Sstevel@tonic-gate di_debug = atoi(debug_str); 837c478bd9Sstevel@tonic-gate if (errno || di_debug < DI_QUIET) 847c478bd9Sstevel@tonic-gate di_debug = DI_QUIET; 857c478bd9Sstevel@tonic-gate } 867c478bd9Sstevel@tonic-gate } 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate di_node_t 897c478bd9Sstevel@tonic-gate di_init(const char *phys_path, uint_t flag) 907c478bd9Sstevel@tonic-gate { 917c478bd9Sstevel@tonic-gate return (di_init_impl(phys_path, flag, NULL)); 927c478bd9Sstevel@tonic-gate } 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * We use blocking_open() to guarantee access to the devinfo device, if open() 967c478bd9Sstevel@tonic-gate * is failing with EAGAIN. 977c478bd9Sstevel@tonic-gate */ 987c478bd9Sstevel@tonic-gate static int 997c478bd9Sstevel@tonic-gate blocking_open(const char *path, int oflag) 1007c478bd9Sstevel@tonic-gate { 1017c478bd9Sstevel@tonic-gate int fd; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate while ((fd = open(path, oflag)) == -1 && errno == EAGAIN) 1047c478bd9Sstevel@tonic-gate (void) poll(NULL, 0, 1 * MILLISEC); 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate return (fd); 1077c478bd9Sstevel@tonic-gate } 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate /* private interface */ 1107c478bd9Sstevel@tonic-gate di_node_t 1117c478bd9Sstevel@tonic-gate di_init_driver(const char *drv_name, uint_t flag) 1127c478bd9Sstevel@tonic-gate { 1137c478bd9Sstevel@tonic-gate int fd; 1147c478bd9Sstevel@tonic-gate char driver[MAXPATHLEN]; 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate /* 1177c478bd9Sstevel@tonic-gate * Don't allow drv_name to exceed MAXPATHLEN - 1, or 1023, 1187c478bd9Sstevel@tonic-gate * which should be sufficient for any sensible programmer. 1197c478bd9Sstevel@tonic-gate */ 1207c478bd9Sstevel@tonic-gate if ((drv_name == NULL) || (strlen(drv_name) >= MAXPATHLEN)) { 1217c478bd9Sstevel@tonic-gate errno = EINVAL; 1227c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1237c478bd9Sstevel@tonic-gate } 1247c478bd9Sstevel@tonic-gate (void) strcpy(driver, drv_name); 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* 1277c478bd9Sstevel@tonic-gate * open the devinfo driver 1287c478bd9Sstevel@tonic-gate */ 1297c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 1307c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 1317c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", errno)); 1327c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1337c478bd9Sstevel@tonic-gate } 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOLODRV, driver) != 0) { 1367c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to load driver %s\n", driver)); 1377c478bd9Sstevel@tonic-gate (void) close(fd); 1387c478bd9Sstevel@tonic-gate errno = ENXIO; 1397c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1407c478bd9Sstevel@tonic-gate } 1417c478bd9Sstevel@tonic-gate (void) close(fd); 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate /* 1447c478bd9Sstevel@tonic-gate * Driver load succeeded, return a snapshot 1457c478bd9Sstevel@tonic-gate */ 1467c478bd9Sstevel@tonic-gate return (di_init("/", flag)); 1477c478bd9Sstevel@tonic-gate } 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate di_node_t 1507c478bd9Sstevel@tonic-gate di_init_impl(const char *phys_path, uint_t flag, 1517c478bd9Sstevel@tonic-gate struct di_priv_data *priv) 1527c478bd9Sstevel@tonic-gate { 1537c478bd9Sstevel@tonic-gate caddr_t pa; 1547c478bd9Sstevel@tonic-gate int fd, map_size; 1557c478bd9Sstevel@tonic-gate struct di_all *dap; 1567c478bd9Sstevel@tonic-gate struct dinfo_io dinfo_io; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate uint_t pageoffset = sysconf(_SC_PAGESIZE) - 1; 1597c478bd9Sstevel@tonic-gate uint_t pagemask = ~pageoffset; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_init: taking a snapshot\n")); 1627c478bd9Sstevel@tonic-gate 1637c478bd9Sstevel@tonic-gate /* 1647c478bd9Sstevel@tonic-gate * Make sure there is no minor name in the path 1657c478bd9Sstevel@tonic-gate * and the path do not start with /devices.... 1667c478bd9Sstevel@tonic-gate */ 1677c478bd9Sstevel@tonic-gate if (strchr(phys_path, ':') || 1687c478bd9Sstevel@tonic-gate (strncmp(phys_path, "/devices", 8) == 0) || 1697c478bd9Sstevel@tonic-gate (strlen(phys_path) > MAXPATHLEN)) { 1707c478bd9Sstevel@tonic-gate errno = EINVAL; 1717c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1727c478bd9Sstevel@tonic-gate } 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate if (strlen(phys_path) == 0) 1757c478bd9Sstevel@tonic-gate (void) sprintf(dinfo_io.root_path, "/"); 1767c478bd9Sstevel@tonic-gate else if (*phys_path != '/') 1777c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1787c478bd9Sstevel@tonic-gate "/%s", phys_path); 1797c478bd9Sstevel@tonic-gate else 1807c478bd9Sstevel@tonic-gate (void) snprintf(dinfo_io.root_path, sizeof (dinfo_io.root_path), 1817c478bd9Sstevel@tonic-gate "%s", phys_path); 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* 1847c478bd9Sstevel@tonic-gate * If private data is requested, copy the format specification 1857c478bd9Sstevel@tonic-gate */ 1867c478bd9Sstevel@tonic-gate if (flag & DINFOPRIVDATA & 0xff) { 1877c478bd9Sstevel@tonic-gate if (priv) 1887c478bd9Sstevel@tonic-gate bcopy(priv, &dinfo_io.priv, 1897c478bd9Sstevel@tonic-gate sizeof (struct di_priv_data)); 1907c478bd9Sstevel@tonic-gate else { 1917c478bd9Sstevel@tonic-gate errno = EINVAL; 1927c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 1937c478bd9Sstevel@tonic-gate } 1947c478bd9Sstevel@tonic-gate } 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate /* 1977c478bd9Sstevel@tonic-gate * Attempt to open the devinfo driver. Make a second attempt at the 1987c478bd9Sstevel@tonic-gate * read-only minor node if we don't have privileges to open the full 1997c478bd9Sstevel@tonic-gate * version _and_ if we're not requesting operations that the read-only 2007c478bd9Sstevel@tonic-gate * node can't perform. (Setgid processes would fail an access() test, 2017c478bd9Sstevel@tonic-gate * of course.) 2027c478bd9Sstevel@tonic-gate */ 2037c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo", 2047c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2057c478bd9Sstevel@tonic-gate if ((flag & DINFOFORCE) == DINFOFORCE || 2067c478bd9Sstevel@tonic-gate (flag & DINFOPRIVDATA) == DINFOPRIVDATA) { 2077c478bd9Sstevel@tonic-gate /* 2087c478bd9Sstevel@tonic-gate * We wanted to perform a privileged operation, but the 2097c478bd9Sstevel@tonic-gate * privileged node isn't available. Don't modify errno 2107c478bd9Sstevel@tonic-gate * on our way out (but display it if we're running with 2117c478bd9Sstevel@tonic-gate * di_debug set). 2127c478bd9Sstevel@tonic-gate */ 2137c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2147c478bd9Sstevel@tonic-gate errno)); 2157c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2167c478bd9Sstevel@tonic-gate } 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo,ro", 2197c478bd9Sstevel@tonic-gate O_RDONLY)) == -1) { 2207c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo open failed: errno = %d\n", 2217c478bd9Sstevel@tonic-gate errno)); 2227c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2237c478bd9Sstevel@tonic-gate } 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate /* 2277c478bd9Sstevel@tonic-gate * Verify that there is no major conflict, i.e., we are indeed opening 2287c478bd9Sstevel@tonic-gate * the devinfo driver. 2297c478bd9Sstevel@tonic-gate */ 2307c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOIDENT, NULL) != DI_MAGIC) { 2317c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, 2327c478bd9Sstevel@tonic-gate "driver ID failed; check for major conflict\n")); 2337c478bd9Sstevel@tonic-gate (void) close(fd); 2347c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2357c478bd9Sstevel@tonic-gate } 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate /* 2387c478bd9Sstevel@tonic-gate * create snapshot 2397c478bd9Sstevel@tonic-gate */ 2407c478bd9Sstevel@tonic-gate if ((map_size = ioctl(fd, flag, &dinfo_io)) < 0) { 2417c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "devinfo ioctl failed with " 2427c478bd9Sstevel@tonic-gate "error: %d\n", errno)); 2437c478bd9Sstevel@tonic-gate (void) close(fd); 2447c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2457c478bd9Sstevel@tonic-gate } else if (map_size == 0) { 2467c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2477c478bd9Sstevel@tonic-gate errno = ENXIO; 2487c478bd9Sstevel@tonic-gate (void) close(fd); 2497c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2507c478bd9Sstevel@tonic-gate } 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate /* 2537c478bd9Sstevel@tonic-gate * copy snapshot to userland 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate map_size = (map_size + pageoffset) & pagemask; 2567c478bd9Sstevel@tonic-gate if ((pa = valloc(map_size)) == NULL) { 2577c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "valloc failed for snapshot\n")); 2587c478bd9Sstevel@tonic-gate (void) close(fd); 2597c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2607c478bd9Sstevel@tonic-gate } 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate if (ioctl(fd, DINFOUSRLD, pa) != map_size) { 2637c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "failed to copy snapshot to usrld\n")); 2647c478bd9Sstevel@tonic-gate (void) close(fd); 2657c478bd9Sstevel@tonic-gate free(pa); 2667c478bd9Sstevel@tonic-gate errno = EFAULT; 2677c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2687c478bd9Sstevel@tonic-gate } 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate (void) close(fd); 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate dap = DI_ALL(pa); 2733e2676e0Svikram if (dap->version != DI_SNAPSHOT_VERSION) { 2743e2676e0Svikram DPRINTF((DI_ERR, "wrong snapshot version " 2753e2676e0Svikram "(expected=%d, actual=%d)\n", 2763e2676e0Svikram DI_SNAPSHOT_VERSION, dap->version)); 2773e2676e0Svikram free(pa); 2783e2676e0Svikram errno = ESTALE; 2793e2676e0Svikram return (DI_NODE_NIL); 2803e2676e0Svikram } 2817c478bd9Sstevel@tonic-gate if (dap->top_devinfo == 0) { /* phys_path not found */ 2827c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s not found\n", phys_path)); 2837c478bd9Sstevel@tonic-gate free(pa); 2847c478bd9Sstevel@tonic-gate errno = EINVAL; 2857c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 2867c478bd9Sstevel@tonic-gate } 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate return (DI_NODE(pa + dap->top_devinfo)); 2897c478bd9Sstevel@tonic-gate } 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate void 2927c478bd9Sstevel@tonic-gate di_fini(di_node_t root) 2937c478bd9Sstevel@tonic-gate { 2947c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_fini: freeing a snapshot\n")); 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* 2997c478bd9Sstevel@tonic-gate * paranoid checking 3007c478bd9Sstevel@tonic-gate */ 3017c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 3027c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_fini called with NIL arg\n")); 3037c478bd9Sstevel@tonic-gate return; 3047c478bd9Sstevel@tonic-gate } 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate /* 3077c478bd9Sstevel@tonic-gate * The root contains its own offset--self. 3087c478bd9Sstevel@tonic-gate * Subtracting it from root address, we get the starting addr. 3097c478bd9Sstevel@tonic-gate * The map_size is stored at the beginning of snapshot. 3107c478bd9Sstevel@tonic-gate * Once we have starting address and size, we can free(). 3117c478bd9Sstevel@tonic-gate */ 3127c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate free(pa); 3157c478bd9Sstevel@tonic-gate } 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate di_node_t 3187c478bd9Sstevel@tonic-gate di_parent_node(di_node_t node) 3197c478bd9Sstevel@tonic-gate { 3207c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3237c478bd9Sstevel@tonic-gate errno = EINVAL; 3247c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3257c478bd9Sstevel@tonic-gate } 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get parent of node %s\n", di_node_name(node))); 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent) { 3327c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->parent)); 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* 3367c478bd9Sstevel@tonic-gate * Deal with error condition: 3377c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 3387c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 3397c478bd9Sstevel@tonic-gate */ 3407c478bd9Sstevel@tonic-gate if (strcmp(DI_ALL(pa)->root_path, "/") != 0) 3417c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3427c478bd9Sstevel@tonic-gate else 3437c478bd9Sstevel@tonic-gate errno = ENXIO; 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3467c478bd9Sstevel@tonic-gate } 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate di_node_t 3497c478bd9Sstevel@tonic-gate di_sibling_node(di_node_t node) 3507c478bd9Sstevel@tonic-gate { 3517c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3547c478bd9Sstevel@tonic-gate errno = EINVAL; 3557c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3567c478bd9Sstevel@tonic-gate } 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get sibling of node %s\n", di_node_name(node))); 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate if (DI_NODE(node)->sibling) { 3637c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->sibling)); 3647c478bd9Sstevel@tonic-gate } 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* 3677c478bd9Sstevel@tonic-gate * Deal with error condition: 3687c478bd9Sstevel@tonic-gate * Sibling doesn't exist, figure out if ioctl command 3697c478bd9Sstevel@tonic-gate * has DINFOSUBTREE set. If it doesn't, set errno to 3707c478bd9Sstevel@tonic-gate * ENOTSUP. 3717c478bd9Sstevel@tonic-gate */ 3727c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 3737c478bd9Sstevel@tonic-gate errno = ENOTSUP; 3747c478bd9Sstevel@tonic-gate else 3757c478bd9Sstevel@tonic-gate errno = ENXIO; 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3787c478bd9Sstevel@tonic-gate } 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate di_node_t 3817c478bd9Sstevel@tonic-gate di_child_node(di_node_t node) 3827c478bd9Sstevel@tonic-gate { 3837c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get child of node %s\n", di_node_name(node))); 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 3887c478bd9Sstevel@tonic-gate errno = EINVAL; 3897c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 3907c478bd9Sstevel@tonic-gate } 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate if (DI_NODE(node)->child) { 3957c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->child)); 3967c478bd9Sstevel@tonic-gate } 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate /* 3997c478bd9Sstevel@tonic-gate * Deal with error condition: 4007c478bd9Sstevel@tonic-gate * Child doesn't exist, figure out if DINFOSUBTREE is set. 4017c478bd9Sstevel@tonic-gate * If it isn't, set errno to ENOTSUP. 4027c478bd9Sstevel@tonic-gate */ 4037c478bd9Sstevel@tonic-gate if (!(DI_ALL(pa)->command & DINFOSUBTREE)) 4047c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4057c478bd9Sstevel@tonic-gate else 4067c478bd9Sstevel@tonic-gate errno = ENXIO; 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4097c478bd9Sstevel@tonic-gate } 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate di_node_t 4127c478bd9Sstevel@tonic-gate di_drv_first_node(const char *drv_name, di_node_t root) 4137c478bd9Sstevel@tonic-gate { 4147c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4157c478bd9Sstevel@tonic-gate int major, devcnt; 4167c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Get first node of driver %s\n", drv_name)); 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 4217c478bd9Sstevel@tonic-gate errno = EINVAL; 4227c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4237c478bd9Sstevel@tonic-gate } 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate /* 4267c478bd9Sstevel@tonic-gate * get major number of driver 4277c478bd9Sstevel@tonic-gate */ 4287c478bd9Sstevel@tonic-gate pa = (caddr_t)root - DI_NODE(root)->self; 4297c478bd9Sstevel@tonic-gate devcnt = DI_ALL(pa)->devcnt; 4307c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate for (major = 0; major < devcnt; major++) 4337c478bd9Sstevel@tonic-gate if (devnm[major].name && (strcmp(drv_name, 4347c478bd9Sstevel@tonic-gate (char *)(pa + devnm[major].name)) == 0)) 4357c478bd9Sstevel@tonic-gate break; 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate if (major >= devcnt) { 4387c478bd9Sstevel@tonic-gate errno = EINVAL; 4397c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4407c478bd9Sstevel@tonic-gate } 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate if (!(devnm[major].head)) { 4437c478bd9Sstevel@tonic-gate errno = ENXIO; 4447c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4457c478bd9Sstevel@tonic-gate } 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate return (DI_NODE(pa + devnm[major].head)); 4487c478bd9Sstevel@tonic-gate } 4497c478bd9Sstevel@tonic-gate 4507c478bd9Sstevel@tonic-gate di_node_t 4517c478bd9Sstevel@tonic-gate di_drv_next_node(di_node_t node) 4527c478bd9Sstevel@tonic-gate { 4537c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 4567c478bd9Sstevel@tonic-gate errno = EINVAL; 4577c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4587c478bd9Sstevel@tonic-gate } 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "next node on per driver list:" 4617c478bd9Sstevel@tonic-gate " current=%s, driver=%s\n", 4627c478bd9Sstevel@tonic-gate di_node_name(node), di_driver_name(node))); 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == (di_off_t)-1) { 4657c478bd9Sstevel@tonic-gate errno = ENOTSUP; 4667c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4677c478bd9Sstevel@tonic-gate } 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate if (DI_NODE(node)->next == NULL) { 4727c478bd9Sstevel@tonic-gate errno = ENXIO; 4737c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 4747c478bd9Sstevel@tonic-gate } 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_NODE(node)->next)); 4777c478bd9Sstevel@tonic-gate } 4787c478bd9Sstevel@tonic-gate 4797c478bd9Sstevel@tonic-gate /* 4807c478bd9Sstevel@tonic-gate * Internal library interfaces: 4817c478bd9Sstevel@tonic-gate * node_list etc. for node walking 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate struct node_list { 4847c478bd9Sstevel@tonic-gate struct node_list *next; 4857c478bd9Sstevel@tonic-gate di_node_t node; 4867c478bd9Sstevel@tonic-gate }; 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate static void 4897c478bd9Sstevel@tonic-gate free_node_list(struct node_list **headp) 4907c478bd9Sstevel@tonic-gate { 4917c478bd9Sstevel@tonic-gate struct node_list *tmp; 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate while (*headp) { 4947c478bd9Sstevel@tonic-gate tmp = *headp; 4957c478bd9Sstevel@tonic-gate *headp = (*headp)->next; 4967c478bd9Sstevel@tonic-gate free(tmp); 4977c478bd9Sstevel@tonic-gate } 4987c478bd9Sstevel@tonic-gate } 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate static void 5017c478bd9Sstevel@tonic-gate append_node_list(struct node_list **headp, struct node_list *list) 5027c478bd9Sstevel@tonic-gate { 5037c478bd9Sstevel@tonic-gate struct node_list *tmp; 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate if (*headp == NULL) { 5067c478bd9Sstevel@tonic-gate *headp = list; 5077c478bd9Sstevel@tonic-gate return; 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate if (list == NULL) /* a minor optimization */ 5117c478bd9Sstevel@tonic-gate return; 5127c478bd9Sstevel@tonic-gate 5137c478bd9Sstevel@tonic-gate tmp = *headp; 5147c478bd9Sstevel@tonic-gate while (tmp->next) 5157c478bd9Sstevel@tonic-gate tmp = tmp->next; 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate tmp->next = list; 5187c478bd9Sstevel@tonic-gate } 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate static void 5217c478bd9Sstevel@tonic-gate prepend_node_list(struct node_list **headp, struct node_list *list) 5227c478bd9Sstevel@tonic-gate { 5237c478bd9Sstevel@tonic-gate struct node_list *tmp; 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate if (list == NULL) 5267c478bd9Sstevel@tonic-gate return; 5277c478bd9Sstevel@tonic-gate 5287c478bd9Sstevel@tonic-gate tmp = *headp; 5297c478bd9Sstevel@tonic-gate *headp = list; 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate if (tmp == NULL) /* a minor optimization */ 5327c478bd9Sstevel@tonic-gate return; 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate while (list->next) 5357c478bd9Sstevel@tonic-gate list = list->next; 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate list->next = tmp; 5387c478bd9Sstevel@tonic-gate } 5397c478bd9Sstevel@tonic-gate 5407c478bd9Sstevel@tonic-gate /* 5417c478bd9Sstevel@tonic-gate * returns 1 if node is a descendant of parent, 0 otherwise 5427c478bd9Sstevel@tonic-gate */ 5437c478bd9Sstevel@tonic-gate static int 5447c478bd9Sstevel@tonic-gate is_descendant(di_node_t node, di_node_t parent) 5457c478bd9Sstevel@tonic-gate { 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * DI_NODE_NIL is parent of root, so it is 5487c478bd9Sstevel@tonic-gate * the parent of all nodes. 5497c478bd9Sstevel@tonic-gate */ 5507c478bd9Sstevel@tonic-gate if (parent == DI_NODE_NIL) { 5517c478bd9Sstevel@tonic-gate return (1); 5527c478bd9Sstevel@tonic-gate } 5537c478bd9Sstevel@tonic-gate 5547c478bd9Sstevel@tonic-gate do { 5557c478bd9Sstevel@tonic-gate node = di_parent_node(node); 5567c478bd9Sstevel@tonic-gate } while ((node != DI_NODE_NIL) && (node != parent)); 5577c478bd9Sstevel@tonic-gate 5587c478bd9Sstevel@tonic-gate return (node != DI_NODE_NIL); 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate /* 5627c478bd9Sstevel@tonic-gate * Insert list before the first node which is NOT a descendent of parent. 5637c478bd9Sstevel@tonic-gate * This is needed to reproduce the exact walking order of link generators. 5647c478bd9Sstevel@tonic-gate */ 5657c478bd9Sstevel@tonic-gate static void 5667c478bd9Sstevel@tonic-gate insert_node_list(struct node_list **headp, struct node_list *list, 5677c478bd9Sstevel@tonic-gate di_node_t parent) 5687c478bd9Sstevel@tonic-gate { 5697c478bd9Sstevel@tonic-gate struct node_list *tmp, *tmp1; 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate if (list == NULL) 5727c478bd9Sstevel@tonic-gate return; 5737c478bd9Sstevel@tonic-gate 5747c478bd9Sstevel@tonic-gate tmp = *headp; 5757c478bd9Sstevel@tonic-gate if (tmp == NULL) { /* a minor optimization */ 5767c478bd9Sstevel@tonic-gate *headp = list; 5777c478bd9Sstevel@tonic-gate return; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate if (!is_descendant(tmp->node, parent)) { 5817c478bd9Sstevel@tonic-gate prepend_node_list(headp, list); 5827c478bd9Sstevel@tonic-gate return; 5837c478bd9Sstevel@tonic-gate } 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate /* 5867c478bd9Sstevel@tonic-gate * Find first node which is not a descendant 5877c478bd9Sstevel@tonic-gate */ 5887c478bd9Sstevel@tonic-gate while (tmp->next && is_descendant(tmp->next->node, parent)) { 5897c478bd9Sstevel@tonic-gate tmp = tmp->next; 5907c478bd9Sstevel@tonic-gate } 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate tmp1 = tmp->next; 5937c478bd9Sstevel@tonic-gate tmp->next = list; 5947c478bd9Sstevel@tonic-gate append_node_list(headp, tmp1); 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate /* 5987c478bd9Sstevel@tonic-gate * Get a linked list of handles of all children 5997c478bd9Sstevel@tonic-gate */ 6007c478bd9Sstevel@tonic-gate static struct node_list * 6017c478bd9Sstevel@tonic-gate get_children(di_node_t node) 6027c478bd9Sstevel@tonic-gate { 6037c478bd9Sstevel@tonic-gate di_node_t child; 6047c478bd9Sstevel@tonic-gate struct node_list *result, *tmp; 6057c478bd9Sstevel@tonic-gate 6067c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Get children of node %s\n", di_node_name(node))); 6077c478bd9Sstevel@tonic-gate 6087c478bd9Sstevel@tonic-gate if ((child = di_child_node(node)) == DI_NODE_NIL) { 6097c478bd9Sstevel@tonic-gate return (NULL); 6107c478bd9Sstevel@tonic-gate } 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate if ((result = malloc(sizeof (struct node_list))) == NULL) { 6137c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6147c478bd9Sstevel@tonic-gate return (NULL); 6157c478bd9Sstevel@tonic-gate } 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate result->node = child; 6187c478bd9Sstevel@tonic-gate tmp = result; 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate while ((child = di_sibling_node(tmp->node)) != DI_NODE_NIL) { 6217c478bd9Sstevel@tonic-gate if ((tmp->next = malloc(sizeof (struct node_list))) == NULL) { 6227c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 6237c478bd9Sstevel@tonic-gate free_node_list(&result); 6247c478bd9Sstevel@tonic-gate return (NULL); 6257c478bd9Sstevel@tonic-gate } 6267c478bd9Sstevel@tonic-gate tmp = tmp->next; 6277c478bd9Sstevel@tonic-gate tmp->node = child; 6287c478bd9Sstevel@tonic-gate } 6297c478bd9Sstevel@tonic-gate 6307c478bd9Sstevel@tonic-gate tmp->next = NULL; 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate return (result); 6337c478bd9Sstevel@tonic-gate } 6347c478bd9Sstevel@tonic-gate 6357c478bd9Sstevel@tonic-gate /* 6367c478bd9Sstevel@tonic-gate * Internal library interface: 6377c478bd9Sstevel@tonic-gate * Delete all siblings of the first node from the node_list, along with 6387c478bd9Sstevel@tonic-gate * the first node itself. 6397c478bd9Sstevel@tonic-gate */ 6407c478bd9Sstevel@tonic-gate static void 6417c478bd9Sstevel@tonic-gate prune_sib(struct node_list **headp) 6427c478bd9Sstevel@tonic-gate { 6437c478bd9Sstevel@tonic-gate di_node_t parent, curr_par, curr_gpar; 6447c478bd9Sstevel@tonic-gate struct node_list *curr, *prev; 6457c478bd9Sstevel@tonic-gate 6467c478bd9Sstevel@tonic-gate /* 6477c478bd9Sstevel@tonic-gate * get handle to parent of first node 6487c478bd9Sstevel@tonic-gate */ 6497c478bd9Sstevel@tonic-gate if ((parent = di_parent_node((*headp)->node)) == DI_NODE_NIL) { 6507c478bd9Sstevel@tonic-gate /* 6517c478bd9Sstevel@tonic-gate * This must be the root of the snapshot, so can't 6527c478bd9Sstevel@tonic-gate * have any siblings. 6537c478bd9Sstevel@tonic-gate * 6547c478bd9Sstevel@tonic-gate * XXX Put a check here just in case. 6557c478bd9Sstevel@tonic-gate */ 6567c478bd9Sstevel@tonic-gate if ((*headp)->next) 6577c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unexpected err in di_walk_node.\n")); 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate free(*headp); 6607c478bd9Sstevel@tonic-gate *headp = NULL; 6617c478bd9Sstevel@tonic-gate return; 6627c478bd9Sstevel@tonic-gate } 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate /* 6657c478bd9Sstevel@tonic-gate * To be complete, we should also delete the children 6667c478bd9Sstevel@tonic-gate * of siblings that have already been visited. 6677c478bd9Sstevel@tonic-gate * This happens for DI_WALK_SIBFIRST when the first node 6687c478bd9Sstevel@tonic-gate * is NOT the first in the linked list of siblings. 6697c478bd9Sstevel@tonic-gate * 6707c478bd9Sstevel@tonic-gate * Hence, we compare parent with BOTH the parent and grandparent 6717c478bd9Sstevel@tonic-gate * of nodes, and delete node is a match is found. 6727c478bd9Sstevel@tonic-gate */ 6737c478bd9Sstevel@tonic-gate prev = *headp; 6747c478bd9Sstevel@tonic-gate curr = prev->next; 6757c478bd9Sstevel@tonic-gate while (curr) { 6767c478bd9Sstevel@tonic-gate if (((curr_par = di_parent_node(curr->node)) != DI_NODE_NIL) && 6777c478bd9Sstevel@tonic-gate ((curr_par == parent) || ((curr_gpar = 6787c478bd9Sstevel@tonic-gate di_parent_node(curr_par)) != DI_NODE_NIL) && 6797c478bd9Sstevel@tonic-gate (curr_gpar == parent))) { 6807c478bd9Sstevel@tonic-gate /* 6817c478bd9Sstevel@tonic-gate * match parent/grandparent: delete curr 6827c478bd9Sstevel@tonic-gate */ 6837c478bd9Sstevel@tonic-gate prev->next = curr->next; 6847c478bd9Sstevel@tonic-gate free(curr); 6857c478bd9Sstevel@tonic-gate curr = prev->next; 6867c478bd9Sstevel@tonic-gate } else 6877c478bd9Sstevel@tonic-gate curr = curr->next; 6887c478bd9Sstevel@tonic-gate } 6897c478bd9Sstevel@tonic-gate 6907c478bd9Sstevel@tonic-gate /* 6917c478bd9Sstevel@tonic-gate * delete the first node 6927c478bd9Sstevel@tonic-gate */ 6937c478bd9Sstevel@tonic-gate curr = *headp; 6947c478bd9Sstevel@tonic-gate *headp = curr->next; 6957c478bd9Sstevel@tonic-gate free(curr); 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate /* 6997c478bd9Sstevel@tonic-gate * Internal library function: 7007c478bd9Sstevel@tonic-gate * Update node list based on action (return code from callback) 7017c478bd9Sstevel@tonic-gate * and flag specifying walking behavior. 7027c478bd9Sstevel@tonic-gate */ 7037c478bd9Sstevel@tonic-gate static void 7047c478bd9Sstevel@tonic-gate update_node_list(int action, uint_t flag, struct node_list **headp) 7057c478bd9Sstevel@tonic-gate { 7067c478bd9Sstevel@tonic-gate struct node_list *children, *tmp; 7077c478bd9Sstevel@tonic-gate di_node_t parent = di_parent_node((*headp)->node); 7087c478bd9Sstevel@tonic-gate 7097c478bd9Sstevel@tonic-gate switch (action) { 7107c478bd9Sstevel@tonic-gate case DI_WALK_TERMINATE: 7117c478bd9Sstevel@tonic-gate /* 7127c478bd9Sstevel@tonic-gate * free the node list and be done 7137c478bd9Sstevel@tonic-gate */ 7147c478bd9Sstevel@tonic-gate children = NULL; 7157c478bd9Sstevel@tonic-gate free_node_list(headp); 7167c478bd9Sstevel@tonic-gate break; 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate case DI_WALK_PRUNESIB: 7197c478bd9Sstevel@tonic-gate /* 7207c478bd9Sstevel@tonic-gate * Get list of children and prune siblings 7217c478bd9Sstevel@tonic-gate */ 7227c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7237c478bd9Sstevel@tonic-gate prune_sib(headp); 7247c478bd9Sstevel@tonic-gate break; 7257c478bd9Sstevel@tonic-gate 7267c478bd9Sstevel@tonic-gate case DI_WALK_PRUNECHILD: 7277c478bd9Sstevel@tonic-gate /* 7287c478bd9Sstevel@tonic-gate * Set children to NULL and pop first node 7297c478bd9Sstevel@tonic-gate */ 7307c478bd9Sstevel@tonic-gate children = NULL; 7317c478bd9Sstevel@tonic-gate tmp = *headp; 7327c478bd9Sstevel@tonic-gate *headp = tmp->next; 7337c478bd9Sstevel@tonic-gate free(tmp); 7347c478bd9Sstevel@tonic-gate break; 7357c478bd9Sstevel@tonic-gate 7367c478bd9Sstevel@tonic-gate case DI_WALK_CONTINUE: 7377c478bd9Sstevel@tonic-gate default: 7387c478bd9Sstevel@tonic-gate /* 7397c478bd9Sstevel@tonic-gate * Get list of children and pop first node 7407c478bd9Sstevel@tonic-gate */ 7417c478bd9Sstevel@tonic-gate children = get_children((*headp)->node); 7427c478bd9Sstevel@tonic-gate tmp = *headp; 7437c478bd9Sstevel@tonic-gate *headp = tmp->next; 7447c478bd9Sstevel@tonic-gate free(tmp); 7457c478bd9Sstevel@tonic-gate break; 7467c478bd9Sstevel@tonic-gate } 7477c478bd9Sstevel@tonic-gate 7487c478bd9Sstevel@tonic-gate /* 7497c478bd9Sstevel@tonic-gate * insert the list of children 7507c478bd9Sstevel@tonic-gate */ 7517c478bd9Sstevel@tonic-gate switch (flag) { 7527c478bd9Sstevel@tonic-gate case DI_WALK_CLDFIRST: 7537c478bd9Sstevel@tonic-gate prepend_node_list(headp, children); 7547c478bd9Sstevel@tonic-gate break; 7557c478bd9Sstevel@tonic-gate 7567c478bd9Sstevel@tonic-gate case DI_WALK_SIBFIRST: 7577c478bd9Sstevel@tonic-gate append_node_list(headp, children); 7587c478bd9Sstevel@tonic-gate break; 7597c478bd9Sstevel@tonic-gate 7607c478bd9Sstevel@tonic-gate case DI_WALK_LINKGEN: 7617c478bd9Sstevel@tonic-gate default: 7627c478bd9Sstevel@tonic-gate insert_node_list(headp, children, parent); 7637c478bd9Sstevel@tonic-gate break; 7647c478bd9Sstevel@tonic-gate } 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate /* 7687c478bd9Sstevel@tonic-gate * Internal library function: 7697c478bd9Sstevel@tonic-gate * Invoke callback on one node and update the list of nodes to be walked 7707c478bd9Sstevel@tonic-gate * based on the flag and return code. 7717c478bd9Sstevel@tonic-gate */ 7727c478bd9Sstevel@tonic-gate static void 7737c478bd9Sstevel@tonic-gate walk_one_node(struct node_list **headp, uint_t flag, void *arg, 7747c478bd9Sstevel@tonic-gate int (*callback)(di_node_t, void *)) 7757c478bd9Sstevel@tonic-gate { 7767c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Walking node %s\n", di_node_name((*headp)->node))); 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate update_node_list(callback((*headp)->node, arg), 7797c478bd9Sstevel@tonic-gate flag & DI_WALK_MASK, headp); 7807c478bd9Sstevel@tonic-gate } 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate int 7837c478bd9Sstevel@tonic-gate di_walk_node(di_node_t root, uint_t flag, void *arg, 7847c478bd9Sstevel@tonic-gate int (*node_callback)(di_node_t, void *)) 7857c478bd9Sstevel@tonic-gate { 7867c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate if (root == NULL) { 7897c478bd9Sstevel@tonic-gate errno = EINVAL; 7907c478bd9Sstevel@tonic-gate return (-1); 7917c478bd9Sstevel@tonic-gate } 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 7947c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 7957c478bd9Sstevel@tonic-gate return (-1); 7967c478bd9Sstevel@tonic-gate } 7977c478bd9Sstevel@tonic-gate 7987c478bd9Sstevel@tonic-gate head->next = NULL; 7997c478bd9Sstevel@tonic-gate head->node = root; 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start node walking from node %s\n", 8027c478bd9Sstevel@tonic-gate di_node_name(root))); 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate while (head != NULL) 8057c478bd9Sstevel@tonic-gate walk_one_node(&head, flag, arg, node_callback); 8067c478bd9Sstevel@tonic-gate 8077c478bd9Sstevel@tonic-gate return (0); 8087c478bd9Sstevel@tonic-gate } 8097c478bd9Sstevel@tonic-gate 8107c478bd9Sstevel@tonic-gate /* 8117c478bd9Sstevel@tonic-gate * Internal library function: 8127c478bd9Sstevel@tonic-gate * Invoke callback for each minor on the minor list of first node 8137c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 8147c478bd9Sstevel@tonic-gate * 8157c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 8167c478bd9Sstevel@tonic-gate * first mode. 8177c478bd9Sstevel@tonic-gate */ 8187c478bd9Sstevel@tonic-gate static void 8197c478bd9Sstevel@tonic-gate walk_one_minor_list(struct node_list **headp, const char *desired_type, 8207c478bd9Sstevel@tonic-gate uint_t flag, void *arg, int (*callback)(di_node_t, di_minor_t, void *)) 8217c478bd9Sstevel@tonic-gate { 8227c478bd9Sstevel@tonic-gate int ddm_type; 8237c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 8247c478bd9Sstevel@tonic-gate char *node_type; 8257c478bd9Sstevel@tonic-gate di_minor_t minor = DI_MINOR_NIL; 8267c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 8277c478bd9Sstevel@tonic-gate 8287c478bd9Sstevel@tonic-gate while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) { 8297c478bd9Sstevel@tonic-gate ddm_type = di_minor_type(minor); 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_ALIAS) && !(flag & DI_CHECK_ALIAS)) 8327c478bd9Sstevel@tonic-gate continue; 8337c478bd9Sstevel@tonic-gate 8347c478bd9Sstevel@tonic-gate if ((ddm_type == DDM_INTERNAL_PATH) && 8357c478bd9Sstevel@tonic-gate !(flag & DI_CHECK_INTERNAL_PATH)) 8367c478bd9Sstevel@tonic-gate continue; 8377c478bd9Sstevel@tonic-gate 8387c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 8397c478bd9Sstevel@tonic-gate if ((desired_type != NULL) && ((node_type == NULL) || 8407c478bd9Sstevel@tonic-gate strncmp(desired_type, node_type, strlen(desired_type)) 8417c478bd9Sstevel@tonic-gate != 0)) 8427c478bd9Sstevel@tonic-gate continue; 8437c478bd9Sstevel@tonic-gate 8447c478bd9Sstevel@tonic-gate if ((action = callback(node, minor, arg)) == 8457c478bd9Sstevel@tonic-gate DI_WALK_TERMINATE) { 8467c478bd9Sstevel@tonic-gate break; 8477c478bd9Sstevel@tonic-gate } 8487c478bd9Sstevel@tonic-gate } 8497c478bd9Sstevel@tonic-gate 8507c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 8517c478bd9Sstevel@tonic-gate } 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate int 8547c478bd9Sstevel@tonic-gate di_walk_minor(di_node_t root, const char *minor_type, uint_t flag, void *arg, 8557c478bd9Sstevel@tonic-gate int (*minor_callback)(di_node_t, di_minor_t, void *)) 8567c478bd9Sstevel@tonic-gate { 8577c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 8587c478bd9Sstevel@tonic-gate 8597c478bd9Sstevel@tonic-gate #ifdef DEBUG 860602ca9eaScth char *devfspath = di_devfs_path(root); 861602ca9eaScth DPRINTF((DI_INFO, "walking minor nodes under %s\n", devfspath)); 862602ca9eaScth di_devfs_path_free(devfspath); 8637c478bd9Sstevel@tonic-gate #endif 8647c478bd9Sstevel@tonic-gate 8657c478bd9Sstevel@tonic-gate if (root == NULL) { 8667c478bd9Sstevel@tonic-gate errno = EINVAL; 8677c478bd9Sstevel@tonic-gate return (-1); 8687c478bd9Sstevel@tonic-gate } 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 8717c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 8727c478bd9Sstevel@tonic-gate return (-1); 8737c478bd9Sstevel@tonic-gate } 8747c478bd9Sstevel@tonic-gate 8757c478bd9Sstevel@tonic-gate head->next = NULL; 8767c478bd9Sstevel@tonic-gate head->node = root; 8777c478bd9Sstevel@tonic-gate 8787c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start minor walking from node %s\n", 8797c478bd9Sstevel@tonic-gate di_node_name(root))); 8807c478bd9Sstevel@tonic-gate 8817c478bd9Sstevel@tonic-gate while (head != NULL) 8827c478bd9Sstevel@tonic-gate walk_one_minor_list(&head, minor_type, flag, arg, 8837c478bd9Sstevel@tonic-gate minor_callback); 8847c478bd9Sstevel@tonic-gate 8857c478bd9Sstevel@tonic-gate return (0); 8867c478bd9Sstevel@tonic-gate } 8877c478bd9Sstevel@tonic-gate 8887c478bd9Sstevel@tonic-gate /* 8897c478bd9Sstevel@tonic-gate * generic node parameters 8907c478bd9Sstevel@tonic-gate * Calling these routines always succeeds. 8917c478bd9Sstevel@tonic-gate */ 8927c478bd9Sstevel@tonic-gate char * 8937c478bd9Sstevel@tonic-gate di_node_name(di_node_t node) 8947c478bd9Sstevel@tonic-gate { 8957c478bd9Sstevel@tonic-gate return ((caddr_t)node + DI_NODE(node)->node_name - DI_NODE(node)->self); 8967c478bd9Sstevel@tonic-gate } 8977c478bd9Sstevel@tonic-gate 8987c478bd9Sstevel@tonic-gate /* returns NULL ptr or a valid ptr to non-NULL string */ 8997c478bd9Sstevel@tonic-gate char * 9007c478bd9Sstevel@tonic-gate di_bus_addr(di_node_t node) 9017c478bd9Sstevel@tonic-gate { 9027c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate if (DI_NODE(node)->address == 0) 9057c478bd9Sstevel@tonic-gate return (NULL); 9067c478bd9Sstevel@tonic-gate 9077c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->address)); 9087c478bd9Sstevel@tonic-gate } 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate char * 9117c478bd9Sstevel@tonic-gate di_binding_name(di_node_t node) 9127c478bd9Sstevel@tonic-gate { 9137c478bd9Sstevel@tonic-gate caddr_t pa = (caddr_t)node - DI_NODE(node)->self; 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate if (DI_NODE(node)->bind_name == 0) 9167c478bd9Sstevel@tonic-gate return (NULL); 9177c478bd9Sstevel@tonic-gate 9187c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_NODE(node)->bind_name)); 9197c478bd9Sstevel@tonic-gate } 9207c478bd9Sstevel@tonic-gate 9217c478bd9Sstevel@tonic-gate int 9227c478bd9Sstevel@tonic-gate di_compatible_names(di_node_t node, char **names) 9237c478bd9Sstevel@tonic-gate { 9247c478bd9Sstevel@tonic-gate char *c; 9257c478bd9Sstevel@tonic-gate int len, size, entries = 0; 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate if (DI_NODE(node)->compat_names == 0) { 9287c478bd9Sstevel@tonic-gate *names = NULL; 9297c478bd9Sstevel@tonic-gate return (0); 9307c478bd9Sstevel@tonic-gate } 9317c478bd9Sstevel@tonic-gate 9327c478bd9Sstevel@tonic-gate *names = (caddr_t)node + 9337c478bd9Sstevel@tonic-gate DI_NODE(node)->compat_names - DI_NODE(node)->self; 9347c478bd9Sstevel@tonic-gate 9357c478bd9Sstevel@tonic-gate c = *names; 9367c478bd9Sstevel@tonic-gate len = DI_NODE(node)->compat_length; 9377c478bd9Sstevel@tonic-gate while (len > 0) { 9387c478bd9Sstevel@tonic-gate entries++; 9397c478bd9Sstevel@tonic-gate size = strlen(c) + 1; 9407c478bd9Sstevel@tonic-gate len -= size; 9417c478bd9Sstevel@tonic-gate c += size; 9427c478bd9Sstevel@tonic-gate } 9437c478bd9Sstevel@tonic-gate 9447c478bd9Sstevel@tonic-gate return (entries); 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate int 9487c478bd9Sstevel@tonic-gate di_instance(di_node_t node) 9497c478bd9Sstevel@tonic-gate { 9507c478bd9Sstevel@tonic-gate return (DI_NODE(node)->instance); 9517c478bd9Sstevel@tonic-gate } 9527c478bd9Sstevel@tonic-gate 9537c478bd9Sstevel@tonic-gate /* 9547c478bd9Sstevel@tonic-gate * XXX: emulate the return value of the old implementation 9557c478bd9Sstevel@tonic-gate * using info from devi_node_class and devi_node_attributes. 9567c478bd9Sstevel@tonic-gate */ 9577c478bd9Sstevel@tonic-gate int 9587c478bd9Sstevel@tonic-gate di_nodeid(di_node_t node) 9597c478bd9Sstevel@tonic-gate { 9607c478bd9Sstevel@tonic-gate if (DI_NODE(node)->node_class == DDI_NC_PROM) 9617c478bd9Sstevel@tonic-gate return (DI_PROM_NODEID); 9627c478bd9Sstevel@tonic-gate 9637c478bd9Sstevel@tonic-gate if (DI_NODE(node)->attributes & DDI_PERSISTENT) 9647c478bd9Sstevel@tonic-gate return (DI_SID_NODEID); 9657c478bd9Sstevel@tonic-gate 9667c478bd9Sstevel@tonic-gate return (DI_PSEUDO_NODEID); 9677c478bd9Sstevel@tonic-gate } 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate uint_t 9707c478bd9Sstevel@tonic-gate di_state(di_node_t node) 9717c478bd9Sstevel@tonic-gate { 9727c478bd9Sstevel@tonic-gate uint_t result = 0; 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate if (di_node_state(node) < DS_ATTACHED) 9757c478bd9Sstevel@tonic-gate result |= DI_DRIVER_DETACHED; 9767c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_OFFLINE) 9777c478bd9Sstevel@tonic-gate result |= DI_DEVICE_OFFLINE; 9787c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_DEVICE_DOWN) 9794c06356bSdh142964 result |= DI_DEVICE_DOWN; 98025c6ff4bSstephh if (DI_NODE(node)->state & DEVI_DEVICE_DEGRADED) 98125c6ff4bSstephh result |= DI_DEVICE_DEGRADED; 9824c06356bSdh142964 if (DI_NODE(node)->state & DEVI_DEVICE_REMOVED) 9834c06356bSdh142964 result |= DI_DEVICE_REMOVED; 9847c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_QUIESCED) 9857c478bd9Sstevel@tonic-gate result |= DI_BUS_QUIESCED; 9867c478bd9Sstevel@tonic-gate if (DI_NODE(node)->state & DEVI_BUS_DOWN) 9877c478bd9Sstevel@tonic-gate result |= DI_BUS_DOWN; 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate return (result); 9907c478bd9Sstevel@tonic-gate } 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate ddi_node_state_t 9937c478bd9Sstevel@tonic-gate di_node_state(di_node_t node) 9947c478bd9Sstevel@tonic-gate { 9957c478bd9Sstevel@tonic-gate return (DI_NODE(node)->node_state); 9967c478bd9Sstevel@tonic-gate } 9977c478bd9Sstevel@tonic-gate 9983e2676e0Svikram uint_t 9993e2676e0Svikram di_flags(di_node_t node) 10003e2676e0Svikram { 10013e2676e0Svikram return (DI_NODE(node)->flags); 10023e2676e0Svikram } 10033e2676e0Svikram 100425e8c5aaSvikram uint_t 100525e8c5aaSvikram di_retired(di_node_t node) 100625e8c5aaSvikram { 100725e8c5aaSvikram return (di_flags(node) & DEVI_RETIRED); 100825e8c5aaSvikram } 100925e8c5aaSvikram 10107c478bd9Sstevel@tonic-gate ddi_devid_t 10117c478bd9Sstevel@tonic-gate di_devid(di_node_t node) 10127c478bd9Sstevel@tonic-gate { 10137c478bd9Sstevel@tonic-gate if (DI_NODE(node)->devid == 0) 10147c478bd9Sstevel@tonic-gate return (NULL); 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate return ((ddi_devid_t)((caddr_t)node + 10177c478bd9Sstevel@tonic-gate DI_NODE(node)->devid - DI_NODE(node)->self)); 10187c478bd9Sstevel@tonic-gate } 10197c478bd9Sstevel@tonic-gate 10207c478bd9Sstevel@tonic-gate int 10217c478bd9Sstevel@tonic-gate di_driver_major(di_node_t node) 10227c478bd9Sstevel@tonic-gate { 10237c478bd9Sstevel@tonic-gate int major; 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10267c478bd9Sstevel@tonic-gate if (major < 0) 10277c478bd9Sstevel@tonic-gate return (-1); 10287c478bd9Sstevel@tonic-gate return (major); 10297c478bd9Sstevel@tonic-gate } 10307c478bd9Sstevel@tonic-gate 10317c478bd9Sstevel@tonic-gate char * 10327c478bd9Sstevel@tonic-gate di_driver_name(di_node_t node) 10337c478bd9Sstevel@tonic-gate { 10347c478bd9Sstevel@tonic-gate int major; 10357c478bd9Sstevel@tonic-gate caddr_t pa; 10367c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10377c478bd9Sstevel@tonic-gate 10387c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10397c478bd9Sstevel@tonic-gate if (major < 0) 10407c478bd9Sstevel@tonic-gate return (NULL); 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10437c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate if (devnm[major].name) 10467c478bd9Sstevel@tonic-gate return (pa + devnm[major].name); 10477c478bd9Sstevel@tonic-gate else 10487c478bd9Sstevel@tonic-gate return (NULL); 10497c478bd9Sstevel@tonic-gate } 10507c478bd9Sstevel@tonic-gate 10517c478bd9Sstevel@tonic-gate uint_t 10527c478bd9Sstevel@tonic-gate di_driver_ops(di_node_t node) 10537c478bd9Sstevel@tonic-gate { 10547c478bd9Sstevel@tonic-gate int major; 10557c478bd9Sstevel@tonic-gate caddr_t pa; 10567c478bd9Sstevel@tonic-gate struct di_devnm *devnm; 10577c478bd9Sstevel@tonic-gate 10587c478bd9Sstevel@tonic-gate major = DI_NODE(node)->drv_major; 10597c478bd9Sstevel@tonic-gate if (major < 0) 10607c478bd9Sstevel@tonic-gate return (0); 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 10637c478bd9Sstevel@tonic-gate devnm = DI_DEVNM(pa + DI_ALL(pa)->devnames); 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate return (devnm[major].ops); 10667c478bd9Sstevel@tonic-gate } 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate /* 10697c478bd9Sstevel@tonic-gate * returns the length of the path, caller must free memory 10707c478bd9Sstevel@tonic-gate */ 10717c478bd9Sstevel@tonic-gate char * 10727c478bd9Sstevel@tonic-gate di_devfs_path(di_node_t node) 10737c478bd9Sstevel@tonic-gate { 10747c478bd9Sstevel@tonic-gate caddr_t pa; 10757c478bd9Sstevel@tonic-gate di_node_t parent; 10767c478bd9Sstevel@tonic-gate int depth = 0, len = 0; 10777c478bd9Sstevel@tonic-gate char *buf, *name[MAX_TREE_DEPTH], *addr[MAX_TREE_DEPTH]; 10787c478bd9Sstevel@tonic-gate 10797c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 10807c478bd9Sstevel@tonic-gate errno = EINVAL; 10817c478bd9Sstevel@tonic-gate return (NULL); 10827c478bd9Sstevel@tonic-gate } 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate /* 10857c478bd9Sstevel@tonic-gate * trace back to root, note the node_name & address 10867c478bd9Sstevel@tonic-gate */ 10877c478bd9Sstevel@tonic-gate while ((parent = di_parent_node(node)) != DI_NODE_NIL) { 10887c478bd9Sstevel@tonic-gate name[depth] = di_node_name(node); 10897c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; /* 1 for '/' */ 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate if ((addr[depth] = di_bus_addr(node)) != NULL) 10927c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; /* 1 for '@' */ 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate node = parent; 10957c478bd9Sstevel@tonic-gate depth++; 10967c478bd9Sstevel@tonic-gate } 10977c478bd9Sstevel@tonic-gate 10987c478bd9Sstevel@tonic-gate /* 10997c478bd9Sstevel@tonic-gate * get the path to the root of snapshot 11007c478bd9Sstevel@tonic-gate */ 11017c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 11027c478bd9Sstevel@tonic-gate name[depth] = DI_ALL(pa)->root_path; 11037c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11047c478bd9Sstevel@tonic-gate 11057c478bd9Sstevel@tonic-gate /* 11067c478bd9Sstevel@tonic-gate * allocate buffer and assemble path 11077c478bd9Sstevel@tonic-gate */ 11087c478bd9Sstevel@tonic-gate if ((buf = malloc(len)) == NULL) { 11097c478bd9Sstevel@tonic-gate return (NULL); 11107c478bd9Sstevel@tonic-gate } 11117c478bd9Sstevel@tonic-gate 11127c478bd9Sstevel@tonic-gate (void) strcpy(buf, name[depth]); 11137c478bd9Sstevel@tonic-gate len = strlen(buf); 11147c478bd9Sstevel@tonic-gate if (buf[len - 1] == '/') 11157c478bd9Sstevel@tonic-gate len--; /* delete trailing '/' */ 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate while (depth) { 11187c478bd9Sstevel@tonic-gate depth--; 11197c478bd9Sstevel@tonic-gate buf[len] = '/'; 11207c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, name[depth]); 11217c478bd9Sstevel@tonic-gate len += strlen(name[depth]) + 1; 11227c478bd9Sstevel@tonic-gate if (addr[depth] && addr[depth][0] != '\0') { 11237c478bd9Sstevel@tonic-gate buf[len] = '@'; 11247c478bd9Sstevel@tonic-gate (void) strcpy(buf + len + 1, addr[depth]); 11257c478bd9Sstevel@tonic-gate len += strlen(addr[depth]) + 1; 11267c478bd9Sstevel@tonic-gate } 11277c478bd9Sstevel@tonic-gate } 11287c478bd9Sstevel@tonic-gate 11297c478bd9Sstevel@tonic-gate return (buf); 11307c478bd9Sstevel@tonic-gate } 11317c478bd9Sstevel@tonic-gate 11327c478bd9Sstevel@tonic-gate char * 11337c478bd9Sstevel@tonic-gate di_devfs_minor_path(di_minor_t minor) 11347c478bd9Sstevel@tonic-gate { 11357c478bd9Sstevel@tonic-gate di_node_t node; 1136602ca9eaScth char *full_path, *name, *devfspath; 11377c478bd9Sstevel@tonic-gate int full_path_len; 11387c478bd9Sstevel@tonic-gate 11397c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 11407c478bd9Sstevel@tonic-gate errno = EINVAL; 11417c478bd9Sstevel@tonic-gate return (NULL); 11427c478bd9Sstevel@tonic-gate } 11437c478bd9Sstevel@tonic-gate 11447c478bd9Sstevel@tonic-gate name = di_minor_name(minor); 11457c478bd9Sstevel@tonic-gate node = di_minor_devinfo(minor); 1146602ca9eaScth devfspath = di_devfs_path(node); 1147602ca9eaScth if (devfspath == NULL) 11487c478bd9Sstevel@tonic-gate return (NULL); 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate /* make the full path to the device minor node */ 1151602ca9eaScth full_path_len = strlen(devfspath) + strlen(name) + 2; 11527c478bd9Sstevel@tonic-gate full_path = (char *)calloc(1, full_path_len); 11537c478bd9Sstevel@tonic-gate if (full_path != NULL) 1154602ca9eaScth (void) snprintf(full_path, full_path_len, "%s:%s", 1155602ca9eaScth devfspath, name); 11567c478bd9Sstevel@tonic-gate 1157602ca9eaScth di_devfs_path_free(devfspath); 11587c478bd9Sstevel@tonic-gate return (full_path); 11597c478bd9Sstevel@tonic-gate } 11607c478bd9Sstevel@tonic-gate 1161602ca9eaScth /* 1162602ca9eaScth * Produce a string representation of path to di_path_t (pathinfo node). This 1163602ca9eaScth * string is identical to di_devfs_path had the device been enumerated under 1164602ca9eaScth * the pHCI: it has a base path to pHCI, then uses node_name of client, and 1165602ca9eaScth * device unit-address of pathinfo node. 1166602ca9eaScth */ 1167602ca9eaScth char * 1168602ca9eaScth di_path_devfs_path(di_path_t path) 1169602ca9eaScth { 1170602ca9eaScth di_node_t phci_node; 1171602ca9eaScth char *phci_path, *path_name, *path_addr; 1172602ca9eaScth char *full_path; 1173602ca9eaScth int full_path_len; 1174602ca9eaScth 1175602ca9eaScth if (path == DI_PATH_NIL) { 1176602ca9eaScth errno = EINVAL; 1177602ca9eaScth return (NULL); 1178602ca9eaScth } 1179602ca9eaScth 1180602ca9eaScth /* get name@addr for path */ 1181602ca9eaScth path_name = di_path_node_name(path); 1182602ca9eaScth path_addr = di_path_bus_addr(path); 1183602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 1184602ca9eaScth return (NULL); 1185602ca9eaScth 1186602ca9eaScth /* base path to pHCI devinfo node */ 1187602ca9eaScth phci_node = di_path_phci_node(path); 1188602ca9eaScth if (phci_node == NULL) 1189602ca9eaScth return (NULL); 1190602ca9eaScth phci_path = di_devfs_path(phci_node); 1191602ca9eaScth if (phci_path == NULL) 1192602ca9eaScth return (NULL); 1193602ca9eaScth 1194602ca9eaScth /* make the full string representation of path */ 1195602ca9eaScth full_path_len = strlen(phci_path) + 1 + strlen(path_name) + 1196602ca9eaScth 1 + strlen(path_addr) + 1; 1197602ca9eaScth full_path = (char *)calloc(1, full_path_len); 1198602ca9eaScth 1199602ca9eaScth if (full_path != NULL) 1200602ca9eaScth (void) snprintf(full_path, full_path_len, "%s/%s@%s", 1201602ca9eaScth phci_path, path_name, path_addr); 1202602ca9eaScth di_devfs_path_free(phci_path); 1203602ca9eaScth return (full_path); 1204602ca9eaScth } 1205602ca9eaScth 1206602ca9eaScth char * 1207602ca9eaScth di_path_client_devfs_path(di_path_t path) 1208602ca9eaScth { 1209602ca9eaScth return (di_devfs_path(di_path_client_node(path))); 1210602ca9eaScth } 1211602ca9eaScth 12127c478bd9Sstevel@tonic-gate void 12137c478bd9Sstevel@tonic-gate di_devfs_path_free(char *buf) 12147c478bd9Sstevel@tonic-gate { 12157c478bd9Sstevel@tonic-gate if (buf == NULL) { 12167c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "di_devfs_path_free NULL arg!\n")); 12177c478bd9Sstevel@tonic-gate return; 12187c478bd9Sstevel@tonic-gate } 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate free(buf); 12217c478bd9Sstevel@tonic-gate } 12227c478bd9Sstevel@tonic-gate 1223602ca9eaScth /* 1224602ca9eaScth * Return 1 if name is a IEEE-1275 generic name. If new generic 1225602ca9eaScth * names are defined, they should be added to this table 1226602ca9eaScth */ 1227602ca9eaScth static int 1228602ca9eaScth is_generic(const char *name, int len) 1229602ca9eaScth { 1230602ca9eaScth const char **gp; 1231602ca9eaScth 1232602ca9eaScth /* from IEEE-1275 recommended practices section 3 */ 1233602ca9eaScth static const char *generic_names[] = { 1234602ca9eaScth "atm", 1235602ca9eaScth "disk", 1236602ca9eaScth "display", 1237602ca9eaScth "dma-controller", 1238602ca9eaScth "ethernet", 1239602ca9eaScth "fcs", 1240602ca9eaScth "fdc", 1241602ca9eaScth "fddi", 1242602ca9eaScth "fibre-channel", 1243602ca9eaScth "ide", 1244602ca9eaScth "interrupt-controller", 1245602ca9eaScth "isa", 1246602ca9eaScth "keyboard", 1247602ca9eaScth "memory", 1248602ca9eaScth "mouse", 1249602ca9eaScth "nvram", 1250602ca9eaScth "pc-card", 1251602ca9eaScth "pci", 1252602ca9eaScth "printer", 1253602ca9eaScth "rtc", 1254602ca9eaScth "sbus", 1255602ca9eaScth "scanner", 1256602ca9eaScth "scsi", 1257602ca9eaScth "serial", 1258602ca9eaScth "sound", 1259602ca9eaScth "ssa", 1260602ca9eaScth "tape", 1261602ca9eaScth "timer", 1262602ca9eaScth "token-ring", 1263602ca9eaScth "vme", 1264602ca9eaScth 0 1265602ca9eaScth }; 1266602ca9eaScth 1267602ca9eaScth for (gp = generic_names; *gp; gp++) { 1268602ca9eaScth if ((strncmp(*gp, name, len) == 0) && 1269602ca9eaScth (strlen(*gp) == len)) 1270602ca9eaScth return (1); 1271602ca9eaScth } 1272602ca9eaScth return (0); 1273602ca9eaScth } 1274602ca9eaScth 1275602ca9eaScth /* 1276602ca9eaScth * Determine if two paths below /devices refer to the same device, ignoring 1277602ca9eaScth * any generic .vs. non-generic 'name' issues in "[[/]name[@addr[:minor]]]*". 1278602ca9eaScth * Return 1 if the paths match. 1279602ca9eaScth */ 1280602ca9eaScth int 1281602ca9eaScth di_devfs_path_match(const char *dp1, const char *dp2) 1282602ca9eaScth { 1283602ca9eaScth const char *p1, *p2; 1284602ca9eaScth const char *ec1, *ec2; 1285602ca9eaScth const char *at1, *at2; 1286602ca9eaScth char nc; 1287602ca9eaScth int g1, g2; 1288602ca9eaScth 1289602ca9eaScth /* progress through both strings */ 1290602ca9eaScth for (p1 = dp1, p2 = dp2; (*p1 == *p2) && *p1; p1++, p2++) { 1291602ca9eaScth /* require match until the start of a component */ 1292602ca9eaScth if (*p1 != '/') 1293602ca9eaScth continue; 1294602ca9eaScth 1295602ca9eaScth /* advance p1 and p2 to start of 'name' in component */ 1296602ca9eaScth nc = *(p1 + 1); 1297602ca9eaScth if ((nc == '\0') || (nc == '/')) 1298602ca9eaScth continue; /* skip trash */ 1299602ca9eaScth p1++; 1300602ca9eaScth p2++; 1301602ca9eaScth 1302602ca9eaScth /* 1303602ca9eaScth * Both p1 and p2 point to beginning of 'name' in component. 1304602ca9eaScth * Determine where current component ends: next '/' or '\0'. 1305602ca9eaScth */ 1306602ca9eaScth ec1 = strchr(p1, '/'); 1307602ca9eaScth if (ec1 == NULL) 1308602ca9eaScth ec1 = p1 + strlen(p1); 1309602ca9eaScth ec2 = strchr(p2, '/'); 1310602ca9eaScth if (ec2 == NULL) 1311602ca9eaScth ec2 = p2 + strlen(p2); 1312602ca9eaScth 1313602ca9eaScth /* Determine where name ends based on whether '@' exists */ 1314602ca9eaScth at1 = strchr(p1, '@'); 1315602ca9eaScth at2 = strchr(p2, '@'); 1316602ca9eaScth if (at1 && (at1 < ec1)) 1317602ca9eaScth ec1 = at1; 1318602ca9eaScth if (at2 && (at2 < ec2)) 1319602ca9eaScth ec2 = at2; 1320602ca9eaScth 1321602ca9eaScth /* 1322602ca9eaScth * At this point p[12] point to beginning of name and 1323602ca9eaScth * ec[12] point to character past the end of name. Determine 1324602ca9eaScth * if the names are generic. 1325602ca9eaScth */ 1326602ca9eaScth g1 = is_generic(p1, ec1 - p1); 1327602ca9eaScth g2 = is_generic(p2, ec2 - p2); 1328602ca9eaScth 1329602ca9eaScth if (g1 != g2) { 1330602ca9eaScth /* 1331602ca9eaScth * one generic and one non-generic 1332602ca9eaScth * skip past the names in the match. 1333602ca9eaScth */ 1334602ca9eaScth p1 = ec1; 1335602ca9eaScth p2 = ec2; 1336602ca9eaScth } else { 1337602ca9eaScth if (*p1 != *p2) 1338602ca9eaScth break; 1339602ca9eaScth } 1340602ca9eaScth } 1341602ca9eaScth 1342602ca9eaScth return ((*p1 == *p2) ? 1 : 0); 1343602ca9eaScth } 1344602ca9eaScth 13457c478bd9Sstevel@tonic-gate /* minor data access */ 13467c478bd9Sstevel@tonic-gate di_minor_t 13477c478bd9Sstevel@tonic-gate di_minor_next(di_node_t node, di_minor_t minor) 13487c478bd9Sstevel@tonic-gate { 13497c478bd9Sstevel@tonic-gate caddr_t pa; 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate /* 13527c478bd9Sstevel@tonic-gate * paranoid error checking 13537c478bd9Sstevel@tonic-gate */ 13547c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 13557c478bd9Sstevel@tonic-gate errno = EINVAL; 13567c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13577c478bd9Sstevel@tonic-gate } 13587c478bd9Sstevel@tonic-gate 13597c478bd9Sstevel@tonic-gate /* 13607c478bd9Sstevel@tonic-gate * minor is not NIL 13617c478bd9Sstevel@tonic-gate */ 13627c478bd9Sstevel@tonic-gate if (minor != DI_MINOR_NIL) { 13637c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->next != 0) 13647c478bd9Sstevel@tonic-gate return ((di_minor_t)((void *)((caddr_t)minor - 13657c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->next))); 13667c478bd9Sstevel@tonic-gate else { 13677c478bd9Sstevel@tonic-gate errno = ENXIO; 13687c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13697c478bd9Sstevel@tonic-gate } 13707c478bd9Sstevel@tonic-gate } 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate /* 13737c478bd9Sstevel@tonic-gate * minor is NIL-->caller asks for first minor node 13747c478bd9Sstevel@tonic-gate */ 13757c478bd9Sstevel@tonic-gate if (DI_NODE(node)->minor_data != 0) { 13767c478bd9Sstevel@tonic-gate return (DI_MINOR((caddr_t)node - DI_NODE(node)->self + 13777c478bd9Sstevel@tonic-gate DI_NODE(node)->minor_data)); 13787c478bd9Sstevel@tonic-gate } 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 13817c478bd9Sstevel@tonic-gate * no minor data-->check if snapshot includes minor data 13827c478bd9Sstevel@tonic-gate * in order to set the correct errno 13837c478bd9Sstevel@tonic-gate */ 13847c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 13857c478bd9Sstevel@tonic-gate if (DINFOMINOR & DI_ALL(pa)->command) 13867c478bd9Sstevel@tonic-gate errno = ENXIO; 13877c478bd9Sstevel@tonic-gate else 13887c478bd9Sstevel@tonic-gate errno = ENOTSUP; 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate return (DI_MINOR_NIL); 13917c478bd9Sstevel@tonic-gate } 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate /* private interface for dealing with alias minor link generation */ 13947c478bd9Sstevel@tonic-gate di_node_t 13957c478bd9Sstevel@tonic-gate di_minor_devinfo(di_minor_t minor) 13967c478bd9Sstevel@tonic-gate { 13977c478bd9Sstevel@tonic-gate if (minor == DI_MINOR_NIL) { 13987c478bd9Sstevel@tonic-gate errno = EINVAL; 13997c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 14007c478bd9Sstevel@tonic-gate } 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)minor - DI_MINOR(minor)->self + 14037c478bd9Sstevel@tonic-gate DI_MINOR(minor)->node)); 14047c478bd9Sstevel@tonic-gate } 14057c478bd9Sstevel@tonic-gate 14067c478bd9Sstevel@tonic-gate ddi_minor_type 14077c478bd9Sstevel@tonic-gate di_minor_type(di_minor_t minor) 14087c478bd9Sstevel@tonic-gate { 14097c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->type); 14107c478bd9Sstevel@tonic-gate } 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate char * 14137c478bd9Sstevel@tonic-gate di_minor_name(di_minor_t minor) 14147c478bd9Sstevel@tonic-gate { 14157c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->name == 0) 14167c478bd9Sstevel@tonic-gate return (NULL); 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate return ((caddr_t)minor - DI_MINOR(minor)->self + DI_MINOR(minor)->name); 14197c478bd9Sstevel@tonic-gate } 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate dev_t 14227c478bd9Sstevel@tonic-gate di_minor_devt(di_minor_t minor) 14237c478bd9Sstevel@tonic-gate { 14247c478bd9Sstevel@tonic-gate return (makedev(DI_MINOR(minor)->dev_major, 14257c478bd9Sstevel@tonic-gate DI_MINOR(minor)->dev_minor)); 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate int 14297c478bd9Sstevel@tonic-gate di_minor_spectype(di_minor_t minor) 14307c478bd9Sstevel@tonic-gate { 14317c478bd9Sstevel@tonic-gate return (DI_MINOR(minor)->spec_type); 14327c478bd9Sstevel@tonic-gate } 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate char * 14357c478bd9Sstevel@tonic-gate di_minor_nodetype(di_minor_t minor) 14367c478bd9Sstevel@tonic-gate { 14377c478bd9Sstevel@tonic-gate if (DI_MINOR(minor)->node_type == 0) 14387c478bd9Sstevel@tonic-gate return (NULL); 14397c478bd9Sstevel@tonic-gate 14407c478bd9Sstevel@tonic-gate return ((caddr_t)minor - 14417c478bd9Sstevel@tonic-gate DI_MINOR(minor)->self + DI_MINOR(minor)->node_type); 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate /* 14457c478bd9Sstevel@tonic-gate * Single public interface for accessing software properties 14467c478bd9Sstevel@tonic-gate */ 14477c478bd9Sstevel@tonic-gate di_prop_t 14487c478bd9Sstevel@tonic-gate di_prop_next(di_node_t node, di_prop_t prop) 14497c478bd9Sstevel@tonic-gate { 14507c478bd9Sstevel@tonic-gate int list = DI_PROP_DRV_LIST; 14517c478bd9Sstevel@tonic-gate 14527c478bd9Sstevel@tonic-gate /* 14537c478bd9Sstevel@tonic-gate * paranoid check 14547c478bd9Sstevel@tonic-gate */ 14557c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 14567c478bd9Sstevel@tonic-gate errno = EINVAL; 14577c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14587c478bd9Sstevel@tonic-gate } 14597c478bd9Sstevel@tonic-gate 14607c478bd9Sstevel@tonic-gate /* 14617c478bd9Sstevel@tonic-gate * Find which prop list we are at 14627c478bd9Sstevel@tonic-gate */ 14637c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) 14647c478bd9Sstevel@tonic-gate list = DI_PROP(prop)->prop_list; 14657c478bd9Sstevel@tonic-gate 14667c478bd9Sstevel@tonic-gate do { 14677c478bd9Sstevel@tonic-gate switch (list++) { 14687c478bd9Sstevel@tonic-gate case DI_PROP_DRV_LIST: 14697c478bd9Sstevel@tonic-gate prop = di_prop_drv_next(node, prop); 14707c478bd9Sstevel@tonic-gate break; 14717c478bd9Sstevel@tonic-gate case DI_PROP_SYS_LIST: 14727c478bd9Sstevel@tonic-gate prop = di_prop_sys_next(node, prop); 14737c478bd9Sstevel@tonic-gate break; 14747c478bd9Sstevel@tonic-gate case DI_PROP_GLB_LIST: 14757c478bd9Sstevel@tonic-gate prop = di_prop_global_next(node, prop); 14767c478bd9Sstevel@tonic-gate break; 14777c478bd9Sstevel@tonic-gate case DI_PROP_HW_LIST: 14787c478bd9Sstevel@tonic-gate prop = di_prop_hw_next(node, prop); 14797c478bd9Sstevel@tonic-gate break; 14807c478bd9Sstevel@tonic-gate default: /* shouldn't happen */ 14817c478bd9Sstevel@tonic-gate errno = EFAULT; 14827c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 14837c478bd9Sstevel@tonic-gate } 14847c478bd9Sstevel@tonic-gate } while ((prop == DI_PROP_NIL) && (list <= DI_PROP_HW_LIST)); 14857c478bd9Sstevel@tonic-gate 14867c478bd9Sstevel@tonic-gate return (prop); 14877c478bd9Sstevel@tonic-gate } 14887c478bd9Sstevel@tonic-gate 14897c478bd9Sstevel@tonic-gate dev_t 14907c478bd9Sstevel@tonic-gate di_prop_devt(di_prop_t prop) 14917c478bd9Sstevel@tonic-gate { 14927c478bd9Sstevel@tonic-gate return (makedev(DI_PROP(prop)->dev_major, DI_PROP(prop)->dev_minor)); 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate char * 14967c478bd9Sstevel@tonic-gate di_prop_name(di_prop_t prop) 14977c478bd9Sstevel@tonic-gate { 14987c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_name == 0) 14997c478bd9Sstevel@tonic-gate return (NULL); 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate return ((caddr_t)prop - DI_PROP(prop)->self + DI_PROP(prop)->prop_name); 15027c478bd9Sstevel@tonic-gate } 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate int 15057c478bd9Sstevel@tonic-gate di_prop_type(di_prop_t prop) 15067c478bd9Sstevel@tonic-gate { 15077c478bd9Sstevel@tonic-gate uint_t flags = DI_PROP(prop)->prop_flags; 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_UNDEF_IT) 15107c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNDEF_IT); 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15137c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BOOLEAN); 15147c478bd9Sstevel@tonic-gate 15157c478bd9Sstevel@tonic-gate if ((flags & DDI_PROP_TYPE_MASK) == DDI_PROP_TYPE_ANY) 15167c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15177c478bd9Sstevel@tonic-gate 15187c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT) 15197c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 15207c478bd9Sstevel@tonic-gate 15217c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_INT64) 15227c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_STRING) 15257c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate if (flags & DDI_PROP_TYPE_BYTE) 15287c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate /* 15317c478bd9Sstevel@tonic-gate * Shouldn't get here. In case we do, return unknown type. 15327c478bd9Sstevel@tonic-gate * 15337c478bd9Sstevel@tonic-gate * XXX--When DDI_PROP_TYPE_COMPOSITE is implemented, we need 15347c478bd9Sstevel@tonic-gate * to add DI_PROP_TYPE_COMPOSITE. 15357c478bd9Sstevel@tonic-gate */ 15367c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "Unimplemented property type: 0x%x\n", flags)); 15377c478bd9Sstevel@tonic-gate 15387c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 15397c478bd9Sstevel@tonic-gate } 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate /* 15427c478bd9Sstevel@tonic-gate * Extract type-specific values of an property 15437c478bd9Sstevel@tonic-gate */ 15447c478bd9Sstevel@tonic-gate extern int di_prop_decode_common(void *prop_data, int len, 15457c478bd9Sstevel@tonic-gate int ddi_type, int prom); 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate int 15487c478bd9Sstevel@tonic-gate di_prop_ints(di_prop_t prop, int **prop_data) 15497c478bd9Sstevel@tonic-gate { 15507c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15517c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15527c478bd9Sstevel@tonic-gate 15537c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15547c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15557c478bd9Sstevel@tonic-gate errno = EFAULT; 15567c478bd9Sstevel@tonic-gate *prop_data = NULL; 15577c478bd9Sstevel@tonic-gate return (-1); 15587c478bd9Sstevel@tonic-gate } 15597c478bd9Sstevel@tonic-gate 15607c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15617c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15627c478bd9Sstevel@tonic-gate 15637c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15647c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 15657c478bd9Sstevel@tonic-gate } 15667c478bd9Sstevel@tonic-gate 15677c478bd9Sstevel@tonic-gate int 15687c478bd9Sstevel@tonic-gate di_prop_int64(di_prop_t prop, int64_t **prop_data) 15697c478bd9Sstevel@tonic-gate { 15707c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15717c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15747c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15757c478bd9Sstevel@tonic-gate errno = EFAULT; 15767c478bd9Sstevel@tonic-gate *prop_data = NULL; 15777c478bd9Sstevel@tonic-gate return (-1); 15787c478bd9Sstevel@tonic-gate } 15797c478bd9Sstevel@tonic-gate 15807c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - DI_PROP(prop)->self 15817c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data)); 15827c478bd9Sstevel@tonic-gate 15837c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 15847c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 15857c478bd9Sstevel@tonic-gate } 15867c478bd9Sstevel@tonic-gate 15877c478bd9Sstevel@tonic-gate int 15887c478bd9Sstevel@tonic-gate di_prop_strings(di_prop_t prop, char **prop_data) 15897c478bd9Sstevel@tonic-gate { 15907c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 15917c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 15927c478bd9Sstevel@tonic-gate 15937c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 15947c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 15957c478bd9Sstevel@tonic-gate errno = EFAULT; 15967c478bd9Sstevel@tonic-gate *prop_data = NULL; 15977c478bd9Sstevel@tonic-gate return (-1); 15987c478bd9Sstevel@tonic-gate } 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PROP(prop)->self 16017c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 16027c478bd9Sstevel@tonic-gate 16037c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16047c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 16057c478bd9Sstevel@tonic-gate } 16067c478bd9Sstevel@tonic-gate 16077c478bd9Sstevel@tonic-gate int 16087c478bd9Sstevel@tonic-gate di_prop_bytes(di_prop_t prop, uchar_t **prop_data) 16097c478bd9Sstevel@tonic-gate { 16107c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) 16117c478bd9Sstevel@tonic-gate return (0); /* boolean property */ 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 16147c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 16157c478bd9Sstevel@tonic-gate errno = EFAULT; 16167c478bd9Sstevel@tonic-gate *prop_data = NULL; 16177c478bd9Sstevel@tonic-gate return (-1); 16187c478bd9Sstevel@tonic-gate } 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self 16217c478bd9Sstevel@tonic-gate + DI_PROP(prop)->prop_data); 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 16247c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 16257c478bd9Sstevel@tonic-gate } 16267c478bd9Sstevel@tonic-gate 16277c478bd9Sstevel@tonic-gate /* 16287c478bd9Sstevel@tonic-gate * returns 1 for match, 0 for no match 16297c478bd9Sstevel@tonic-gate */ 16307c478bd9Sstevel@tonic-gate static int 16317c478bd9Sstevel@tonic-gate match_prop(di_prop_t prop, dev_t match_dev, const char *name, int type) 16327c478bd9Sstevel@tonic-gate { 16337c478bd9Sstevel@tonic-gate int prop_type; 16347c478bd9Sstevel@tonic-gate 16357c478bd9Sstevel@tonic-gate #ifdef DEBUG 16367c478bd9Sstevel@tonic-gate if (di_prop_name(prop) == NULL) { 16377c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "libdevinfo: property has no name!\n")); 16387c478bd9Sstevel@tonic-gate return (0); 16397c478bd9Sstevel@tonic-gate } 16407c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 16417c478bd9Sstevel@tonic-gate 16427c478bd9Sstevel@tonic-gate if (strcmp(name, di_prop_name(prop)) != 0) 16437c478bd9Sstevel@tonic-gate return (0); 16447c478bd9Sstevel@tonic-gate 16457c478bd9Sstevel@tonic-gate if ((match_dev != DDI_DEV_T_ANY) && (di_prop_devt(prop) != match_dev)) 16467c478bd9Sstevel@tonic-gate return (0); 16477c478bd9Sstevel@tonic-gate 16487c478bd9Sstevel@tonic-gate /* 16497c478bd9Sstevel@tonic-gate * XXX prop_type is different from DDI_*. See PSARC 1997/127. 16507c478bd9Sstevel@tonic-gate */ 16517c478bd9Sstevel@tonic-gate prop_type = di_prop_type(prop); 16527c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type) && 16537c478bd9Sstevel@tonic-gate (prop_type != DI_PROP_TYPE_BOOLEAN)) 16547c478bd9Sstevel@tonic-gate return (0); 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate return (1); 16577c478bd9Sstevel@tonic-gate } 16587c478bd9Sstevel@tonic-gate 16597c478bd9Sstevel@tonic-gate static di_prop_t 16607c478bd9Sstevel@tonic-gate di_prop_search(dev_t match_dev, di_node_t node, const char *name, 16617c478bd9Sstevel@tonic-gate int type) 16627c478bd9Sstevel@tonic-gate { 16637c478bd9Sstevel@tonic-gate di_prop_t prop = DI_PROP_NIL; 16647c478bd9Sstevel@tonic-gate 16657c478bd9Sstevel@tonic-gate /* 16667c478bd9Sstevel@tonic-gate * The check on match_dev follows ddi_prop_lookup_common(). 16677c478bd9Sstevel@tonic-gate * Other checks are libdevinfo specific implementation. 16687c478bd9Sstevel@tonic-gate */ 16697c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16707c478bd9Sstevel@tonic-gate (match_dev == DDI_DEV_T_NONE) || !DI_PROP_TYPE_VALID(type)) { 16717c478bd9Sstevel@tonic-gate errno = EINVAL; 16727c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16737c478bd9Sstevel@tonic-gate } 16747c478bd9Sstevel@tonic-gate 16757c478bd9Sstevel@tonic-gate while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16767c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match prop name %s, devt 0x%lx, type %d\n", 16777c478bd9Sstevel@tonic-gate di_prop_name(prop), di_prop_devt(prop), 16787c478bd9Sstevel@tonic-gate di_prop_type(prop))); 16797c478bd9Sstevel@tonic-gate if (match_prop(prop, match_dev, name, type)) 16807c478bd9Sstevel@tonic-gate return (prop); 16817c478bd9Sstevel@tonic-gate } 16827c478bd9Sstevel@tonic-gate 16837c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate 16863ebafc43Sjveta di_prop_t 16873ebafc43Sjveta di_prop_find(dev_t match_dev, di_node_t node, const char *name) 16883ebafc43Sjveta { 16893ebafc43Sjveta di_prop_t prop = DI_PROP_NIL; 16903ebafc43Sjveta 16913ebafc43Sjveta if ((node == DI_NODE_NIL) || (name == NULL) || (strlen(name) == 0) || 16923ebafc43Sjveta (match_dev == DDI_DEV_T_NONE)) { 16933ebafc43Sjveta errno = EINVAL; 16943ebafc43Sjveta return (DI_PROP_NIL); 16953ebafc43Sjveta } 16963ebafc43Sjveta 16973ebafc43Sjveta while ((prop = di_prop_next(node, prop)) != DI_PROP_NIL) { 16983ebafc43Sjveta DPRINTF((DI_TRACE1, "found prop name %s, devt 0x%lx, type %d\n", 16993ebafc43Sjveta di_prop_name(prop), di_prop_devt(prop), 17003ebafc43Sjveta di_prop_type(prop))); 17013ebafc43Sjveta 17023ebafc43Sjveta if (strcmp(name, di_prop_name(prop)) == 0 && 17033ebafc43Sjveta (match_dev == DDI_DEV_T_ANY || 17043ebafc43Sjveta di_prop_devt(prop) == match_dev)) 17053ebafc43Sjveta return (prop); 17063ebafc43Sjveta } 17073ebafc43Sjveta 17083ebafc43Sjveta return (DI_PROP_NIL); 17093ebafc43Sjveta } 17103ebafc43Sjveta 17117c478bd9Sstevel@tonic-gate int 17127c478bd9Sstevel@tonic-gate di_prop_lookup_ints(dev_t dev, di_node_t node, const char *prop_name, 17137c478bd9Sstevel@tonic-gate int **prop_data) 17147c478bd9Sstevel@tonic-gate { 17157c478bd9Sstevel@tonic-gate di_prop_t prop; 17167c478bd9Sstevel@tonic-gate 17177c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17187c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 17197c478bd9Sstevel@tonic-gate return (-1); 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate return (di_prop_ints(prop, (void *)prop_data)); 17227c478bd9Sstevel@tonic-gate } 17237c478bd9Sstevel@tonic-gate 17247c478bd9Sstevel@tonic-gate int 17257c478bd9Sstevel@tonic-gate di_prop_lookup_int64(dev_t dev, di_node_t node, const char *prop_name, 17267c478bd9Sstevel@tonic-gate int64_t **prop_data) 17277c478bd9Sstevel@tonic-gate { 17287c478bd9Sstevel@tonic-gate di_prop_t prop; 17297c478bd9Sstevel@tonic-gate 17307c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17317c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 17327c478bd9Sstevel@tonic-gate return (-1); 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate return (di_prop_int64(prop, (void *)prop_data)); 17357c478bd9Sstevel@tonic-gate } 17367c478bd9Sstevel@tonic-gate 17377c478bd9Sstevel@tonic-gate int 17387c478bd9Sstevel@tonic-gate di_prop_lookup_strings(dev_t dev, di_node_t node, const char *prop_name, 17397c478bd9Sstevel@tonic-gate char **prop_data) 17407c478bd9Sstevel@tonic-gate { 17417c478bd9Sstevel@tonic-gate di_prop_t prop; 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17447c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 17457c478bd9Sstevel@tonic-gate return (-1); 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate return (di_prop_strings(prop, (void *)prop_data)); 17487c478bd9Sstevel@tonic-gate } 17497c478bd9Sstevel@tonic-gate 17507c478bd9Sstevel@tonic-gate int 17517c478bd9Sstevel@tonic-gate di_prop_lookup_bytes(dev_t dev, di_node_t node, const char *prop_name, 17527c478bd9Sstevel@tonic-gate uchar_t **prop_data) 17537c478bd9Sstevel@tonic-gate { 17547c478bd9Sstevel@tonic-gate di_prop_t prop; 17557c478bd9Sstevel@tonic-gate 17567c478bd9Sstevel@tonic-gate if ((prop = di_prop_search(dev, node, prop_name, 17577c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 17587c478bd9Sstevel@tonic-gate return (-1); 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate return (di_prop_bytes(prop, (void *)prop_data)); 17617c478bd9Sstevel@tonic-gate } 17627c478bd9Sstevel@tonic-gate 17637c478bd9Sstevel@tonic-gate /* 17647c478bd9Sstevel@tonic-gate * Consolidation private property access functions 17657c478bd9Sstevel@tonic-gate */ 17667c478bd9Sstevel@tonic-gate enum prop_type { 17677c478bd9Sstevel@tonic-gate PROP_TYPE_DRV, 17687c478bd9Sstevel@tonic-gate PROP_TYPE_SYS, 17697c478bd9Sstevel@tonic-gate PROP_TYPE_GLOB, 17707c478bd9Sstevel@tonic-gate PROP_TYPE_HW 17717c478bd9Sstevel@tonic-gate }; 17727c478bd9Sstevel@tonic-gate 17737c478bd9Sstevel@tonic-gate static di_prop_t 17747c478bd9Sstevel@tonic-gate di_prop_next_common(di_node_t node, di_prop_t prop, int prop_type) 17757c478bd9Sstevel@tonic-gate { 17767c478bd9Sstevel@tonic-gate caddr_t pa; 17777c478bd9Sstevel@tonic-gate di_off_t prop_off = 0; 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 17807c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next) { 17817c478bd9Sstevel@tonic-gate return (DI_PROP((caddr_t)prop - 17827c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 17837c478bd9Sstevel@tonic-gate } else { 17847c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 17857c478bd9Sstevel@tonic-gate } 17867c478bd9Sstevel@tonic-gate } 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate 17897c478bd9Sstevel@tonic-gate /* 17907c478bd9Sstevel@tonic-gate * prop is NIL, caller asks for first property 17917c478bd9Sstevel@tonic-gate */ 17927c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 17937c478bd9Sstevel@tonic-gate switch (prop_type) { 17947c478bd9Sstevel@tonic-gate case PROP_TYPE_DRV: 17957c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->drv_prop; 17967c478bd9Sstevel@tonic-gate break; 17977c478bd9Sstevel@tonic-gate case PROP_TYPE_SYS: 17987c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->sys_prop; 17997c478bd9Sstevel@tonic-gate break; 18007c478bd9Sstevel@tonic-gate case PROP_TYPE_HW: 18017c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->hw_prop; 18027c478bd9Sstevel@tonic-gate break; 18037c478bd9Sstevel@tonic-gate case PROP_TYPE_GLOB: 18047c478bd9Sstevel@tonic-gate prop_off = DI_NODE(node)->glob_prop; 18057c478bd9Sstevel@tonic-gate if (prop_off == -1) { 18067c478bd9Sstevel@tonic-gate /* no global property */ 18077c478bd9Sstevel@tonic-gate prop_off = 0; 18087c478bd9Sstevel@tonic-gate } else if ((prop_off == 0) && (DI_NODE(node)->drv_major >= 0)) { 18097c478bd9Sstevel@tonic-gate /* refer to devnames array */ 18107c478bd9Sstevel@tonic-gate struct di_devnm *devnm = DI_DEVNM(pa + 18117c478bd9Sstevel@tonic-gate DI_ALL(pa)->devnames + (DI_NODE(node)->drv_major * 18127c478bd9Sstevel@tonic-gate sizeof (struct di_devnm))); 18137c478bd9Sstevel@tonic-gate prop_off = devnm->global_prop; 18147c478bd9Sstevel@tonic-gate } 18157c478bd9Sstevel@tonic-gate break; 18167c478bd9Sstevel@tonic-gate } 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate if (prop_off) { 18197c478bd9Sstevel@tonic-gate return (DI_PROP(pa + prop_off)); 18207c478bd9Sstevel@tonic-gate } 18217c478bd9Sstevel@tonic-gate 18227c478bd9Sstevel@tonic-gate /* 18237c478bd9Sstevel@tonic-gate * no prop found. Check the reason for not found 18247c478bd9Sstevel@tonic-gate */ 18257c478bd9Sstevel@tonic-gate if (DINFOPROP & DI_ALL(pa)->command) 18267c478bd9Sstevel@tonic-gate errno = ENXIO; 18277c478bd9Sstevel@tonic-gate else 18287c478bd9Sstevel@tonic-gate errno = ENOTSUP; 18297c478bd9Sstevel@tonic-gate 18307c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 18317c478bd9Sstevel@tonic-gate } 18327c478bd9Sstevel@tonic-gate 18337c478bd9Sstevel@tonic-gate di_prop_t 18347c478bd9Sstevel@tonic-gate di_prop_drv_next(di_node_t node, di_prop_t prop) 18357c478bd9Sstevel@tonic-gate { 18367c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_DRV)); 18377c478bd9Sstevel@tonic-gate } 18387c478bd9Sstevel@tonic-gate 18397c478bd9Sstevel@tonic-gate di_prop_t 18407c478bd9Sstevel@tonic-gate di_prop_sys_next(di_node_t node, di_prop_t prop) 18417c478bd9Sstevel@tonic-gate { 18427c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_SYS)); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate di_prop_t 18467c478bd9Sstevel@tonic-gate di_prop_global_next(di_node_t node, di_prop_t prop) 18477c478bd9Sstevel@tonic-gate { 18487c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_GLOB)); 18497c478bd9Sstevel@tonic-gate } 18507c478bd9Sstevel@tonic-gate 18517c478bd9Sstevel@tonic-gate di_prop_t 18527c478bd9Sstevel@tonic-gate di_prop_hw_next(di_node_t node, di_prop_t prop) 18537c478bd9Sstevel@tonic-gate { 18547c478bd9Sstevel@tonic-gate return (di_prop_next_common(node, prop, PROP_TYPE_HW)); 18557c478bd9Sstevel@tonic-gate } 18567c478bd9Sstevel@tonic-gate 18577c478bd9Sstevel@tonic-gate int 18587c478bd9Sstevel@tonic-gate di_prop_rawdata(di_prop_t prop, uchar_t **prop_data) 18597c478bd9Sstevel@tonic-gate { 18607c478bd9Sstevel@tonic-gate #ifdef DEBUG 18617c478bd9Sstevel@tonic-gate if (prop == DI_PROP_NIL) { 18627c478bd9Sstevel@tonic-gate errno = EINVAL; 18637c478bd9Sstevel@tonic-gate return (-1); 18647c478bd9Sstevel@tonic-gate } 18657c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 18667c478bd9Sstevel@tonic-gate 18677c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->prop_len == 0) { 18687c478bd9Sstevel@tonic-gate *prop_data = NULL; 18697c478bd9Sstevel@tonic-gate return (0); 18707c478bd9Sstevel@tonic-gate } 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate if ((DI_PROP(prop)->prop_data == 0) || 18737c478bd9Sstevel@tonic-gate (DI_PROP(prop)->prop_data == (di_off_t)-1)) { 18747c478bd9Sstevel@tonic-gate errno = EFAULT; 18757c478bd9Sstevel@tonic-gate *prop_data = NULL; 18767c478bd9Sstevel@tonic-gate return (-1); 18777c478bd9Sstevel@tonic-gate } 18787c478bd9Sstevel@tonic-gate 18797c478bd9Sstevel@tonic-gate /* 18807c478bd9Sstevel@tonic-gate * No memory allocation. 18817c478bd9Sstevel@tonic-gate */ 18827c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PROP(prop)->self + 18837c478bd9Sstevel@tonic-gate DI_PROP(prop)->prop_data); 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate return (DI_PROP(prop)->prop_len); 18867c478bd9Sstevel@tonic-gate } 18877c478bd9Sstevel@tonic-gate 18887c478bd9Sstevel@tonic-gate /* 18897c478bd9Sstevel@tonic-gate * Consolidation private interfaces for accessing I/O multipathing data 18907c478bd9Sstevel@tonic-gate */ 18917c478bd9Sstevel@tonic-gate di_path_t 1892602ca9eaScth di_path_phci_next_path(di_node_t node, di_path_t path) 18937c478bd9Sstevel@tonic-gate { 18947c478bd9Sstevel@tonic-gate caddr_t pa; 18957c478bd9Sstevel@tonic-gate 18967c478bd9Sstevel@tonic-gate /* 18977c478bd9Sstevel@tonic-gate * path is not NIL 18987c478bd9Sstevel@tonic-gate */ 18997c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 19007c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_p_link != 0) 19017c478bd9Sstevel@tonic-gate return (DI_PATH((void *)((caddr_t)path - 19027c478bd9Sstevel@tonic-gate DI_PATH(path)->self + DI_PATH(path)->path_p_link))); 19037c478bd9Sstevel@tonic-gate else { 19047c478bd9Sstevel@tonic-gate errno = ENXIO; 19057c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19067c478bd9Sstevel@tonic-gate } 19077c478bd9Sstevel@tonic-gate } 19087c478bd9Sstevel@tonic-gate 19097c478bd9Sstevel@tonic-gate /* 19107c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19117c478bd9Sstevel@tonic-gate */ 19127c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_phci != 0) { 1913602ca9eaScth DPRINTF((DI_INFO, "phci_next_path: returning %p\n", 1914602ca9eaScth ((caddr_t)node - 19157c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_phci))); 19167c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19177c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_phci)); 19187c478bd9Sstevel@tonic-gate } 19197c478bd9Sstevel@tonic-gate 19207c478bd9Sstevel@tonic-gate /* 19217c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19227c478bd9Sstevel@tonic-gate * to set errno properly. 19237c478bd9Sstevel@tonic-gate */ 19247c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19257c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19267c478bd9Sstevel@tonic-gate errno = ENXIO; 19277c478bd9Sstevel@tonic-gate else 19287c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19297c478bd9Sstevel@tonic-gate 19307c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19317c478bd9Sstevel@tonic-gate } 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate di_path_t 1934602ca9eaScth di_path_client_next_path(di_node_t node, di_path_t path) 19357c478bd9Sstevel@tonic-gate { 19367c478bd9Sstevel@tonic-gate caddr_t pa; 19377c478bd9Sstevel@tonic-gate 19387c478bd9Sstevel@tonic-gate /* 19397c478bd9Sstevel@tonic-gate * path is not NIL 19407c478bd9Sstevel@tonic-gate */ 19417c478bd9Sstevel@tonic-gate if (path != DI_PATH_NIL) { 19427c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_c_link != 0) 19437c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)path - DI_PATH(path)->self 19447c478bd9Sstevel@tonic-gate + DI_PATH(path)->path_c_link)); 19457c478bd9Sstevel@tonic-gate else { 19467c478bd9Sstevel@tonic-gate errno = ENXIO; 19477c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19487c478bd9Sstevel@tonic-gate } 19497c478bd9Sstevel@tonic-gate } 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate /* 19527c478bd9Sstevel@tonic-gate * Path is NIL; the caller is asking for the first path info node 19537c478bd9Sstevel@tonic-gate */ 19547c478bd9Sstevel@tonic-gate if (DI_NODE(node)->multipath_client != 0) { 1955602ca9eaScth DPRINTF((DI_INFO, "client_next_path: returning %p\n", 1956602ca9eaScth ((caddr_t)node - 19577c478bd9Sstevel@tonic-gate DI_NODE(node)->self + DI_NODE(node)->multipath_client))); 19587c478bd9Sstevel@tonic-gate return (DI_PATH((caddr_t)node - DI_NODE(node)->self + 19597c478bd9Sstevel@tonic-gate DI_NODE(node)->multipath_client)); 19607c478bd9Sstevel@tonic-gate } 19617c478bd9Sstevel@tonic-gate 19627c478bd9Sstevel@tonic-gate /* 19637c478bd9Sstevel@tonic-gate * No pathing data; check if the snapshot includes path data in order 19647c478bd9Sstevel@tonic-gate * to set errno properly. 19657c478bd9Sstevel@tonic-gate */ 19667c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 19677c478bd9Sstevel@tonic-gate if (DINFOPATH & (DI_ALL(pa)->command)) 19687c478bd9Sstevel@tonic-gate errno = ENXIO; 19697c478bd9Sstevel@tonic-gate else 19707c478bd9Sstevel@tonic-gate errno = ENOTSUP; 19717c478bd9Sstevel@tonic-gate 19727c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 19737c478bd9Sstevel@tonic-gate } 19747c478bd9Sstevel@tonic-gate 19757c478bd9Sstevel@tonic-gate /* 1976602ca9eaScth * XXX Remove the private di_path_(addr,next,next_phci,next_client) interfaces 1977602ca9eaScth * below after NWS consolidation switches to using di_path_bus_addr, 1978602ca9eaScth * di_path_phci_next_path, and di_path_client_next_path per CR6638521. 19797c478bd9Sstevel@tonic-gate */ 19807c478bd9Sstevel@tonic-gate char * 19817c478bd9Sstevel@tonic-gate di_path_addr(di_path_t path, char *buf) 19827c478bd9Sstevel@tonic-gate { 19837c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 19847c478bd9Sstevel@tonic-gate 19857c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate (void) strncpy(buf, (char *)(pa + DI_PATH(path)->path_addr), 19887c478bd9Sstevel@tonic-gate MAXPATHLEN); 19897c478bd9Sstevel@tonic-gate return (buf); 19907c478bd9Sstevel@tonic-gate } 1991602ca9eaScth di_path_t 1992602ca9eaScth di_path_next(di_node_t node, di_path_t path) 1993602ca9eaScth { 1994602ca9eaScth if (node == DI_NODE_NIL) { 1995602ca9eaScth errno = EINVAL; 1996602ca9eaScth return (DI_PATH_NIL); 1997602ca9eaScth } 1998602ca9eaScth 1999602ca9eaScth if (DI_NODE(node)->multipath_client) { 2000602ca9eaScth return (di_path_client_next_path(node, path)); 2001602ca9eaScth } else if (DI_NODE(node)->multipath_phci) { 2002602ca9eaScth return (di_path_phci_next_path(node, path)); 2003602ca9eaScth } else { 2004602ca9eaScth /* 2005602ca9eaScth * The node had multipathing data but didn't appear to be a 2006602ca9eaScth * phci *or* a client; probably a programmer error. 2007602ca9eaScth */ 2008602ca9eaScth errno = EINVAL; 2009602ca9eaScth return (DI_PATH_NIL); 2010602ca9eaScth } 2011602ca9eaScth } 2012602ca9eaScth di_path_t 2013602ca9eaScth di_path_next_phci(di_node_t node, di_path_t path) 2014602ca9eaScth { 2015602ca9eaScth return (di_path_client_next_path(node, path)); 2016602ca9eaScth } 2017602ca9eaScth di_path_t 2018602ca9eaScth di_path_next_client(di_node_t node, di_path_t path) 2019602ca9eaScth { 2020602ca9eaScth return (di_path_phci_next_path(node, path)); 2021602ca9eaScth } 2022602ca9eaScth 2023602ca9eaScth 2024602ca9eaScth 2025602ca9eaScth 2026602ca9eaScth di_path_state_t 2027602ca9eaScth di_path_state(di_path_t path) 2028602ca9eaScth { 2029602ca9eaScth return ((di_path_state_t)DI_PATH(path)->path_state); 2030602ca9eaScth } 2031602ca9eaScth 20324c06356bSdh142964 uint_t 20334c06356bSdh142964 di_path_flags(di_path_t path) 20344c06356bSdh142964 { 20354c06356bSdh142964 return (DI_PATH(path)->path_flags); 20364c06356bSdh142964 } 20374c06356bSdh142964 2038602ca9eaScth char * 2039602ca9eaScth di_path_node_name(di_path_t path) 2040602ca9eaScth { 2041602ca9eaScth di_node_t client_node; 2042602ca9eaScth 2043602ca9eaScth /* pathinfo gets node_name from client */ 2044602ca9eaScth if ((client_node = di_path_client_node(path)) == NULL) 2045602ca9eaScth return (NULL); 2046602ca9eaScth return (di_node_name(client_node)); 2047602ca9eaScth } 2048602ca9eaScth 2049602ca9eaScth char * 2050602ca9eaScth di_path_bus_addr(di_path_t path) 2051602ca9eaScth { 2052602ca9eaScth caddr_t pa = (caddr_t)path - DI_PATH(path)->self; 2053602ca9eaScth 2054602ca9eaScth if (DI_PATH(path)->path_addr == 0) 2055602ca9eaScth return (NULL); 2056602ca9eaScth 2057602ca9eaScth return ((char *)(pa + DI_PATH(path)->path_addr)); 2058602ca9eaScth } 2059602ca9eaScth 2060602ca9eaScth int 2061602ca9eaScth di_path_instance(di_path_t path) 2062602ca9eaScth { 2063602ca9eaScth return (DI_PATH(path)->path_instance); 2064602ca9eaScth } 20657c478bd9Sstevel@tonic-gate 20667c478bd9Sstevel@tonic-gate di_node_t 20677c478bd9Sstevel@tonic-gate di_path_client_node(di_path_t path) 20687c478bd9Sstevel@tonic-gate { 20697c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 20727c478bd9Sstevel@tonic-gate errno = EINVAL; 20737c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 20747c478bd9Sstevel@tonic-gate } 20757c478bd9Sstevel@tonic-gate 20767c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get client node for path %p\n", path)); 20777c478bd9Sstevel@tonic-gate 20787c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 20797c478bd9Sstevel@tonic-gate 20807c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_client) { 20817c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_client)); 20827c478bd9Sstevel@tonic-gate } 20837c478bd9Sstevel@tonic-gate 20847c478bd9Sstevel@tonic-gate /* 20857c478bd9Sstevel@tonic-gate * Deal with error condition: 20867c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 20877c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 20887c478bd9Sstevel@tonic-gate */ 20897c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOCLIENT) == 0) 20907c478bd9Sstevel@tonic-gate errno = ENOTSUP; 20917c478bd9Sstevel@tonic-gate else 20927c478bd9Sstevel@tonic-gate errno = ENXIO; 20937c478bd9Sstevel@tonic-gate 20947c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 20957c478bd9Sstevel@tonic-gate } 20967c478bd9Sstevel@tonic-gate 20977c478bd9Sstevel@tonic-gate di_node_t 20987c478bd9Sstevel@tonic-gate di_path_phci_node(di_path_t path) 20997c478bd9Sstevel@tonic-gate { 21007c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 21017c478bd9Sstevel@tonic-gate 21027c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 21037c478bd9Sstevel@tonic-gate errno = EINVAL; 21047c478bd9Sstevel@tonic-gate return (DI_PATH_NIL); 21057c478bd9Sstevel@tonic-gate } 21067c478bd9Sstevel@tonic-gate 21077c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Get phci node for path %p\n", path)); 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21107c478bd9Sstevel@tonic-gate 21117c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_phci) { 21127c478bd9Sstevel@tonic-gate return (DI_NODE(pa + DI_PATH(path)->path_phci)); 21137c478bd9Sstevel@tonic-gate } 21147c478bd9Sstevel@tonic-gate 21157c478bd9Sstevel@tonic-gate /* 21167c478bd9Sstevel@tonic-gate * Deal with error condition: 21177c478bd9Sstevel@tonic-gate * If parent doesn't exist and node is not the root, 21187c478bd9Sstevel@tonic-gate * set errno to ENOTSUP. Otherwise, set errno to ENXIO. 21197c478bd9Sstevel@tonic-gate */ 21207c478bd9Sstevel@tonic-gate if ((DI_PATH(path)->path_snap_state & DI_PATH_SNAP_NOPHCI) == 0) 21217c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21227c478bd9Sstevel@tonic-gate else 21237c478bd9Sstevel@tonic-gate errno = ENXIO; 21247c478bd9Sstevel@tonic-gate 21257c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 21267c478bd9Sstevel@tonic-gate } 21277c478bd9Sstevel@tonic-gate 21287c478bd9Sstevel@tonic-gate di_path_prop_t 21297c478bd9Sstevel@tonic-gate di_path_prop_next(di_path_t path, di_path_prop_t prop) 21307c478bd9Sstevel@tonic-gate { 21317c478bd9Sstevel@tonic-gate caddr_t pa; 21327c478bd9Sstevel@tonic-gate 21337c478bd9Sstevel@tonic-gate if (path == DI_PATH_NIL) { 21347c478bd9Sstevel@tonic-gate errno = EINVAL; 21357c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21367c478bd9Sstevel@tonic-gate } 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate /* 21397c478bd9Sstevel@tonic-gate * prop is not NIL 21407c478bd9Sstevel@tonic-gate */ 21417c478bd9Sstevel@tonic-gate if (prop != DI_PROP_NIL) { 21427c478bd9Sstevel@tonic-gate if (DI_PROP(prop)->next != 0) 21437c478bd9Sstevel@tonic-gate return (DI_PATHPROP((caddr_t)prop - 21447c478bd9Sstevel@tonic-gate DI_PROP(prop)->self + DI_PROP(prop)->next)); 21457c478bd9Sstevel@tonic-gate else { 21467c478bd9Sstevel@tonic-gate errno = ENXIO; 21477c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21487c478bd9Sstevel@tonic-gate } 21497c478bd9Sstevel@tonic-gate } 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate /* 21527c478bd9Sstevel@tonic-gate * prop is NIL-->caller asks for first property 21537c478bd9Sstevel@tonic-gate */ 21547c478bd9Sstevel@tonic-gate pa = (caddr_t)path - DI_PATH(path)->self; 21557c478bd9Sstevel@tonic-gate if (DI_PATH(path)->path_prop != 0) { 21567c478bd9Sstevel@tonic-gate return (DI_PATHPROP(pa + DI_PATH(path)->path_prop)); 21577c478bd9Sstevel@tonic-gate } 21587c478bd9Sstevel@tonic-gate 21597c478bd9Sstevel@tonic-gate /* 21607c478bd9Sstevel@tonic-gate * no property data-->check if snapshot includes props 21617c478bd9Sstevel@tonic-gate * in order to set the correct errno 21627c478bd9Sstevel@tonic-gate */ 21637c478bd9Sstevel@tonic-gate if (DINFOPROP & (DI_ALL(pa)->command)) 21647c478bd9Sstevel@tonic-gate errno = ENXIO; 21657c478bd9Sstevel@tonic-gate else 21667c478bd9Sstevel@tonic-gate errno = ENOTSUP; 21677c478bd9Sstevel@tonic-gate 21687c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 21697c478bd9Sstevel@tonic-gate } 21707c478bd9Sstevel@tonic-gate 21717c478bd9Sstevel@tonic-gate char * 21727c478bd9Sstevel@tonic-gate di_path_prop_name(di_path_prop_t prop) 21737c478bd9Sstevel@tonic-gate { 21747c478bd9Sstevel@tonic-gate caddr_t pa; /* starting address of map */ 21757c478bd9Sstevel@tonic-gate pa = (caddr_t)prop - DI_PATHPROP(prop)->self; 21767c478bd9Sstevel@tonic-gate return ((char *)(pa + DI_PATHPROP(prop)->prop_name)); 21777c478bd9Sstevel@tonic-gate } 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate int 21807c478bd9Sstevel@tonic-gate di_path_prop_len(di_path_prop_t prop) 21817c478bd9Sstevel@tonic-gate { 21827c478bd9Sstevel@tonic-gate return (DI_PATHPROP(prop)->prop_len); 21837c478bd9Sstevel@tonic-gate } 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate int 21867c478bd9Sstevel@tonic-gate di_path_prop_type(di_path_prop_t prop) 21877c478bd9Sstevel@tonic-gate { 21887c478bd9Sstevel@tonic-gate switch (DI_PATHPROP(prop)->prop_type) { 21897c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT: 21907c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT); 21917c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_INT64: 21927c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_INT64); 21937c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_BYTE: 21947c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_BYTE); 21957c478bd9Sstevel@tonic-gate case DDI_PROP_TYPE_STRING: 21967c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_STRING); 21977c478bd9Sstevel@tonic-gate } 21987c478bd9Sstevel@tonic-gate return (DI_PROP_TYPE_UNKNOWN); 21997c478bd9Sstevel@tonic-gate } 22007c478bd9Sstevel@tonic-gate 22017c478bd9Sstevel@tonic-gate int 22027c478bd9Sstevel@tonic-gate di_path_prop_bytes(di_path_prop_t prop, uchar_t **prop_data) 22037c478bd9Sstevel@tonic-gate { 22047c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22057c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22067c478bd9Sstevel@tonic-gate errno = EFAULT; 22077c478bd9Sstevel@tonic-gate *prop_data = NULL; 22087c478bd9Sstevel@tonic-gate return (-1); 22097c478bd9Sstevel@tonic-gate } 22107c478bd9Sstevel@tonic-gate 22117c478bd9Sstevel@tonic-gate *prop_data = (uchar_t *)((caddr_t)prop - DI_PATHPROP(prop)->self 22127c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22137c478bd9Sstevel@tonic-gate 22147c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22157c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_BYTE, 0)); 22167c478bd9Sstevel@tonic-gate } 22177c478bd9Sstevel@tonic-gate 22187c478bd9Sstevel@tonic-gate int 22197c478bd9Sstevel@tonic-gate di_path_prop_ints(di_path_prop_t prop, int **prop_data) 22207c478bd9Sstevel@tonic-gate { 22217c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22227c478bd9Sstevel@tonic-gate return (0); 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22257c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22267c478bd9Sstevel@tonic-gate errno = EFAULT; 22277c478bd9Sstevel@tonic-gate *prop_data = NULL; 22287c478bd9Sstevel@tonic-gate return (-1); 22297c478bd9Sstevel@tonic-gate } 22307c478bd9Sstevel@tonic-gate 22317c478bd9Sstevel@tonic-gate *prop_data = (int *)((void *)((caddr_t)prop - DI_PATHPROP(prop)->self 22327c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data)); 22337c478bd9Sstevel@tonic-gate 22347c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22357c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT, 0)); 22367c478bd9Sstevel@tonic-gate } 22377c478bd9Sstevel@tonic-gate 22387c478bd9Sstevel@tonic-gate int 22397c478bd9Sstevel@tonic-gate di_path_prop_int64s(di_path_prop_t prop, int64_t **prop_data) 22407c478bd9Sstevel@tonic-gate { 22417c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22427c478bd9Sstevel@tonic-gate return (0); 22437c478bd9Sstevel@tonic-gate 22447c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22457c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22467c478bd9Sstevel@tonic-gate errno = EFAULT; 22477c478bd9Sstevel@tonic-gate *prop_data = NULL; 22487c478bd9Sstevel@tonic-gate return (-1); 22497c478bd9Sstevel@tonic-gate } 22507c478bd9Sstevel@tonic-gate 22517c478bd9Sstevel@tonic-gate *prop_data = (int64_t *)((void *)((caddr_t)prop - 22527c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->self + DI_PATHPROP(prop)->prop_data)); 22537c478bd9Sstevel@tonic-gate 22547c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22557c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_INT64, 0)); 22567c478bd9Sstevel@tonic-gate } 22577c478bd9Sstevel@tonic-gate 22587c478bd9Sstevel@tonic-gate int 22597c478bd9Sstevel@tonic-gate di_path_prop_strings(di_path_prop_t prop, char **prop_data) 22607c478bd9Sstevel@tonic-gate { 22617c478bd9Sstevel@tonic-gate if (DI_PATHPROP(prop)->prop_len == 0) 22627c478bd9Sstevel@tonic-gate return (0); 22637c478bd9Sstevel@tonic-gate 22647c478bd9Sstevel@tonic-gate if ((DI_PATHPROP(prop)->prop_data == 0) || 22657c478bd9Sstevel@tonic-gate (DI_PATHPROP(prop)->prop_data == (di_off_t)-1)) { 22667c478bd9Sstevel@tonic-gate errno = EFAULT; 22677c478bd9Sstevel@tonic-gate *prop_data = NULL; 22687c478bd9Sstevel@tonic-gate return (-1); 22697c478bd9Sstevel@tonic-gate } 22707c478bd9Sstevel@tonic-gate 22717c478bd9Sstevel@tonic-gate *prop_data = (char *)((caddr_t)prop - DI_PATHPROP(prop)->self 22727c478bd9Sstevel@tonic-gate + DI_PATHPROP(prop)->prop_data); 22737c478bd9Sstevel@tonic-gate 22747c478bd9Sstevel@tonic-gate return (di_prop_decode_common((void *)prop_data, 22757c478bd9Sstevel@tonic-gate DI_PATHPROP(prop)->prop_len, DI_PROP_TYPE_STRING, 0)); 22767c478bd9Sstevel@tonic-gate } 22777c478bd9Sstevel@tonic-gate 22787c478bd9Sstevel@tonic-gate static di_path_prop_t 22797c478bd9Sstevel@tonic-gate di_path_prop_search(di_path_t path, const char *name, int type) 22807c478bd9Sstevel@tonic-gate { 22817c478bd9Sstevel@tonic-gate di_path_prop_t prop = DI_PROP_NIL; 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate /* 22847c478bd9Sstevel@tonic-gate * Sanity check arguments 22857c478bd9Sstevel@tonic-gate */ 22867c478bd9Sstevel@tonic-gate if ((path == DI_PATH_NIL) || (name == NULL) || (strlen(name) == 0) || 22877c478bd9Sstevel@tonic-gate !DI_PROP_TYPE_VALID(type)) { 22887c478bd9Sstevel@tonic-gate errno = EINVAL; 22897c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 22907c478bd9Sstevel@tonic-gate } 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate while ((prop = di_path_prop_next(path, prop)) != DI_PROP_NIL) { 22937c478bd9Sstevel@tonic-gate int prop_type = di_path_prop_type(prop); 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "match path prop name %s, type %d\n", 22967c478bd9Sstevel@tonic-gate di_path_prop_name(prop), prop_type)); 22977c478bd9Sstevel@tonic-gate 22987c478bd9Sstevel@tonic-gate if (strcmp(name, di_path_prop_name(prop)) != 0) 22997c478bd9Sstevel@tonic-gate continue; 23007c478bd9Sstevel@tonic-gate 23017c478bd9Sstevel@tonic-gate if ((prop_type != DI_PROP_TYPE_UNKNOWN) && (prop_type != type)) 23027c478bd9Sstevel@tonic-gate continue; 23037c478bd9Sstevel@tonic-gate 23047c478bd9Sstevel@tonic-gate return (prop); 23057c478bd9Sstevel@tonic-gate } 23067c478bd9Sstevel@tonic-gate 23077c478bd9Sstevel@tonic-gate return (DI_PROP_NIL); 23087c478bd9Sstevel@tonic-gate } 23097c478bd9Sstevel@tonic-gate 23107c478bd9Sstevel@tonic-gate int 23117c478bd9Sstevel@tonic-gate di_path_prop_lookup_bytes(di_path_t path, const char *prop_name, 23127c478bd9Sstevel@tonic-gate uchar_t **prop_data) 23137c478bd9Sstevel@tonic-gate { 23147c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23157c478bd9Sstevel@tonic-gate 23167c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23177c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE)) == DI_PROP_NIL) 23187c478bd9Sstevel@tonic-gate return (-1); 23197c478bd9Sstevel@tonic-gate 23207c478bd9Sstevel@tonic-gate return (di_path_prop_bytes(prop, prop_data)); 23217c478bd9Sstevel@tonic-gate } 23227c478bd9Sstevel@tonic-gate 23237c478bd9Sstevel@tonic-gate int 23247c478bd9Sstevel@tonic-gate di_path_prop_lookup_ints(di_path_t path, const char *prop_name, 23257c478bd9Sstevel@tonic-gate int **prop_data) 23267c478bd9Sstevel@tonic-gate { 23277c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23287c478bd9Sstevel@tonic-gate 23297c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23307c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT)) == DI_PROP_NIL) 23317c478bd9Sstevel@tonic-gate return (-1); 23327c478bd9Sstevel@tonic-gate 23337c478bd9Sstevel@tonic-gate return (di_path_prop_ints(prop, prop_data)); 23347c478bd9Sstevel@tonic-gate } 23357c478bd9Sstevel@tonic-gate 23367c478bd9Sstevel@tonic-gate int 23377c478bd9Sstevel@tonic-gate di_path_prop_lookup_int64s(di_path_t path, const char *prop_name, 23387c478bd9Sstevel@tonic-gate int64_t **prop_data) 23397c478bd9Sstevel@tonic-gate { 23407c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23437c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT64)) == DI_PROP_NIL) 23447c478bd9Sstevel@tonic-gate return (-1); 23457c478bd9Sstevel@tonic-gate 23467c478bd9Sstevel@tonic-gate return (di_path_prop_int64s(prop, prop_data)); 23477c478bd9Sstevel@tonic-gate } 23487c478bd9Sstevel@tonic-gate 23497c478bd9Sstevel@tonic-gate int di_path_prop_lookup_strings(di_path_t path, const char *prop_name, 23507c478bd9Sstevel@tonic-gate char **prop_data) 23517c478bd9Sstevel@tonic-gate { 23527c478bd9Sstevel@tonic-gate di_path_prop_t prop; 23537c478bd9Sstevel@tonic-gate 23547c478bd9Sstevel@tonic-gate if ((prop = di_path_prop_search(path, prop_name, 23557c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING)) == DI_PROP_NIL) 23567c478bd9Sstevel@tonic-gate return (-1); 23577c478bd9Sstevel@tonic-gate 23587c478bd9Sstevel@tonic-gate return (di_path_prop_strings(prop, prop_data)); 23597c478bd9Sstevel@tonic-gate } 23607c478bd9Sstevel@tonic-gate 23618c4f8890Srs135747 /* 23628c4f8890Srs135747 * Consolidation private interfaces for traversing vhci nodes. 23638c4f8890Srs135747 */ 23648c4f8890Srs135747 di_node_t 23658c4f8890Srs135747 di_vhci_first_node(di_node_t root) 23668c4f8890Srs135747 { 23678c4f8890Srs135747 struct di_all *dap; 23688c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23698c4f8890Srs135747 23708c4f8890Srs135747 DPRINTF((DI_INFO, "Get first vhci node\n")); 23718c4f8890Srs135747 23728c4f8890Srs135747 if (root == DI_NODE_NIL) { 23738c4f8890Srs135747 errno = EINVAL; 23748c4f8890Srs135747 return (DI_NODE_NIL); 23758c4f8890Srs135747 } 23768c4f8890Srs135747 23778c4f8890Srs135747 pa = (caddr_t)root - DI_NODE(root)->self; 23788c4f8890Srs135747 dap = DI_ALL(pa); 23798c4f8890Srs135747 23808c4f8890Srs135747 if (dap->top_vhci_devinfo == NULL) { 23818c4f8890Srs135747 errno = ENXIO; 23828c4f8890Srs135747 return (DI_NODE_NIL); 23838c4f8890Srs135747 } 23848c4f8890Srs135747 23858c4f8890Srs135747 return (DI_NODE(pa + dap->top_vhci_devinfo)); 23868c4f8890Srs135747 } 23878c4f8890Srs135747 23888c4f8890Srs135747 di_node_t 23898c4f8890Srs135747 di_vhci_next_node(di_node_t node) 23908c4f8890Srs135747 { 23918c4f8890Srs135747 caddr_t pa; /* starting address of map */ 23928c4f8890Srs135747 23938c4f8890Srs135747 if (node == DI_NODE_NIL) { 23948c4f8890Srs135747 errno = EINVAL; 23958c4f8890Srs135747 return (DI_NODE_NIL); 23968c4f8890Srs135747 } 23978c4f8890Srs135747 23988c4f8890Srs135747 DPRINTF((DI_TRACE, "next vhci node on the snap shot:" 23998c4f8890Srs135747 " current=%s\n", di_node_name(node))); 24008c4f8890Srs135747 24018c4f8890Srs135747 if (DI_NODE(node)->next_vhci == NULL) { 24028c4f8890Srs135747 errno = ENXIO; 24038c4f8890Srs135747 return (DI_NODE_NIL); 24048c4f8890Srs135747 } 24058c4f8890Srs135747 24068c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 24078c4f8890Srs135747 24088c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_vhci)); 24098c4f8890Srs135747 } 24108c4f8890Srs135747 24118c4f8890Srs135747 /* 24128c4f8890Srs135747 * Consolidation private interfaces for traversing phci nodes. 24138c4f8890Srs135747 */ 24148c4f8890Srs135747 di_node_t 24158c4f8890Srs135747 di_phci_first_node(di_node_t vhci_node) 24168c4f8890Srs135747 { 24178c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24188c4f8890Srs135747 24198c4f8890Srs135747 DPRINTF((DI_INFO, "Get first phci node:\n" 24208c4f8890Srs135747 " current=%s", di_node_name(vhci_node))); 24218c4f8890Srs135747 24228c4f8890Srs135747 if (vhci_node == DI_NODE_NIL) { 24238c4f8890Srs135747 errno = EINVAL; 24248c4f8890Srs135747 return (DI_NODE_NIL); 24258c4f8890Srs135747 } 24268c4f8890Srs135747 24278c4f8890Srs135747 pa = (caddr_t)vhci_node - DI_NODE(vhci_node)->self; 24288c4f8890Srs135747 24298c4f8890Srs135747 if (DI_NODE(vhci_node)->top_phci == NULL) { 24308c4f8890Srs135747 errno = ENXIO; 24318c4f8890Srs135747 return (DI_NODE_NIL); 24328c4f8890Srs135747 } 24338c4f8890Srs135747 24348c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(vhci_node)->top_phci)); 24358c4f8890Srs135747 } 24368c4f8890Srs135747 24378c4f8890Srs135747 di_node_t 24388c4f8890Srs135747 di_phci_next_node(di_node_t node) 24398c4f8890Srs135747 { 24408c4f8890Srs135747 caddr_t pa; /* starting address of map */ 24418c4f8890Srs135747 24428c4f8890Srs135747 if (node == DI_NODE_NIL) { 24438c4f8890Srs135747 errno = EINVAL; 24448c4f8890Srs135747 return (DI_NODE_NIL); 24458c4f8890Srs135747 } 24468c4f8890Srs135747 24478c4f8890Srs135747 DPRINTF((DI_TRACE, "next phci node on the snap shot:" 24488c4f8890Srs135747 " current=%s\n", di_node_name(node))); 24498c4f8890Srs135747 24508c4f8890Srs135747 if (DI_NODE(node)->next_phci == NULL) { 24518c4f8890Srs135747 errno = ENXIO; 24528c4f8890Srs135747 return (DI_NODE_NIL); 24538c4f8890Srs135747 } 24548c4f8890Srs135747 24558c4f8890Srs135747 pa = (caddr_t)node - DI_NODE(node)->self; 24568c4f8890Srs135747 24578c4f8890Srs135747 return (DI_NODE(pa + DI_NODE(node)->next_phci)); 24588c4f8890Srs135747 } 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* 24617c478bd9Sstevel@tonic-gate * Consolidation private interfaces for private data 24627c478bd9Sstevel@tonic-gate */ 24637c478bd9Sstevel@tonic-gate void * 24647c478bd9Sstevel@tonic-gate di_parent_private_data(di_node_t node) 24657c478bd9Sstevel@tonic-gate { 24667c478bd9Sstevel@tonic-gate caddr_t pa; 24677c478bd9Sstevel@tonic-gate 24687c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == 0) { 24697c478bd9Sstevel@tonic-gate errno = ENXIO; 24707c478bd9Sstevel@tonic-gate return (NULL); 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data == (di_off_t)-1) { 24747c478bd9Sstevel@tonic-gate /* 24757c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 24767c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 24777c478bd9Sstevel@tonic-gate */ 24787c478bd9Sstevel@tonic-gate errno = EFAULT; 24797c478bd9Sstevel@tonic-gate return (NULL); 24807c478bd9Sstevel@tonic-gate } 24817c478bd9Sstevel@tonic-gate 24827c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 24837c478bd9Sstevel@tonic-gate if (DI_NODE(node)->parent_data) 24847c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->parent_data); 24857c478bd9Sstevel@tonic-gate 24867c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 24877c478bd9Sstevel@tonic-gate errno = ENXIO; 24887c478bd9Sstevel@tonic-gate else 24897c478bd9Sstevel@tonic-gate errno = ENOTSUP; 24907c478bd9Sstevel@tonic-gate 24917c478bd9Sstevel@tonic-gate return (NULL); 24927c478bd9Sstevel@tonic-gate } 24937c478bd9Sstevel@tonic-gate 24947c478bd9Sstevel@tonic-gate void * 24957c478bd9Sstevel@tonic-gate di_driver_private_data(di_node_t node) 24967c478bd9Sstevel@tonic-gate { 24977c478bd9Sstevel@tonic-gate caddr_t pa; 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == 0) { 25007c478bd9Sstevel@tonic-gate errno = ENXIO; 25017c478bd9Sstevel@tonic-gate return (NULL); 25027c478bd9Sstevel@tonic-gate } 25037c478bd9Sstevel@tonic-gate 25047c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data == (di_off_t)-1) { 25057c478bd9Sstevel@tonic-gate /* 25067c478bd9Sstevel@tonic-gate * Private data requested, but not obtained due to a memory 25077c478bd9Sstevel@tonic-gate * error (e.g. wrong format specified) 25087c478bd9Sstevel@tonic-gate */ 25097c478bd9Sstevel@tonic-gate errno = EFAULT; 25107c478bd9Sstevel@tonic-gate return (NULL); 25117c478bd9Sstevel@tonic-gate } 25127c478bd9Sstevel@tonic-gate 25137c478bd9Sstevel@tonic-gate pa = (caddr_t)node - DI_NODE(node)->self; 25147c478bd9Sstevel@tonic-gate if (DI_NODE(node)->driver_data) 25157c478bd9Sstevel@tonic-gate return (pa + DI_NODE(node)->driver_data); 25167c478bd9Sstevel@tonic-gate 25177c478bd9Sstevel@tonic-gate if (DI_ALL(pa)->command & DINFOPRIVDATA) 25187c478bd9Sstevel@tonic-gate errno = ENXIO; 25197c478bd9Sstevel@tonic-gate else 25207c478bd9Sstevel@tonic-gate errno = ENOTSUP; 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate return (NULL); 25237c478bd9Sstevel@tonic-gate } 25247c478bd9Sstevel@tonic-gate 25257c478bd9Sstevel@tonic-gate /* 2526*26947304SEvan Yan * Hotplug information access 2527*26947304SEvan Yan */ 2528*26947304SEvan Yan 2529*26947304SEvan Yan typedef struct { 2530*26947304SEvan Yan void *arg; 2531*26947304SEvan Yan const char *type; 2532*26947304SEvan Yan uint_t flag; 2533*26947304SEvan Yan int (*hp_callback)(di_node_t, di_hp_t, void *); 2534*26947304SEvan Yan } di_walk_hp_arg_t; 2535*26947304SEvan Yan 2536*26947304SEvan Yan static int 2537*26947304SEvan Yan di_walk_hp_callback(di_node_t node, void *argp) 2538*26947304SEvan Yan { 2539*26947304SEvan Yan di_walk_hp_arg_t *arg = (di_walk_hp_arg_t *)argp; 2540*26947304SEvan Yan di_hp_t hp; 2541*26947304SEvan Yan char *type_str; 2542*26947304SEvan Yan 2543*26947304SEvan Yan for (hp = DI_HP_NIL; (hp = di_hp_next(node, hp)) != DI_HP_NIL; ) { 2544*26947304SEvan Yan 2545*26947304SEvan Yan /* Exclude non-matching types if a type filter is specified */ 2546*26947304SEvan Yan if (arg->type != NULL) { 2547*26947304SEvan Yan type_str = di_hp_description(hp); 2548*26947304SEvan Yan if (type_str && (strcmp(arg->type, type_str) != 0)) 2549*26947304SEvan Yan continue; 2550*26947304SEvan Yan } 2551*26947304SEvan Yan 2552*26947304SEvan Yan /* Exclude ports if DI_HP_PORT flag not specified */ 2553*26947304SEvan Yan if (!(arg->flag & DI_HP_PORT) && 2554*26947304SEvan Yan (di_hp_type(hp) == DDI_HP_CN_TYPE_VIRTUAL_PORT)) 2555*26947304SEvan Yan continue; 2556*26947304SEvan Yan 2557*26947304SEvan Yan /* Exclude connectors if DI_HP_CONNECTOR flag not specified */ 2558*26947304SEvan Yan if (!(arg->flag & DI_HP_CONNECTOR) && 2559*26947304SEvan Yan !(di_hp_type(hp) == DDI_HP_CN_TYPE_VIRTUAL_PORT)) 2560*26947304SEvan Yan continue; 2561*26947304SEvan Yan 2562*26947304SEvan Yan /* Perform callback */ 2563*26947304SEvan Yan if (arg->hp_callback(node, hp, arg->arg) != DI_WALK_CONTINUE) 2564*26947304SEvan Yan return (DI_WALK_TERMINATE); 2565*26947304SEvan Yan } 2566*26947304SEvan Yan 2567*26947304SEvan Yan return (DI_WALK_CONTINUE); 2568*26947304SEvan Yan } 2569*26947304SEvan Yan 2570*26947304SEvan Yan int 2571*26947304SEvan Yan di_walk_hp(di_node_t node, const char *type, uint_t flag, void *arg, 2572*26947304SEvan Yan int (*hp_callback)(di_node_t node, di_hp_t hp, void *arg)) 2573*26947304SEvan Yan { 2574*26947304SEvan Yan di_walk_hp_arg_t walk_arg; 2575*26947304SEvan Yan caddr_t pa; 2576*26947304SEvan Yan 2577*26947304SEvan Yan #ifdef DEBUG 2578*26947304SEvan Yan char *devfspath = di_devfs_path(node); 2579*26947304SEvan Yan DPRINTF((DI_INFO, "walking hotplug nodes under %s\n", devfspath)); 2580*26947304SEvan Yan di_devfs_path_free(devfspath); 2581*26947304SEvan Yan #endif 2582*26947304SEvan Yan /* 2583*26947304SEvan Yan * paranoid error checking 2584*26947304SEvan Yan */ 2585*26947304SEvan Yan if ((node == DI_NODE_NIL) || (hp_callback == NULL)) { 2586*26947304SEvan Yan errno = EINVAL; 2587*26947304SEvan Yan return (-1); 2588*26947304SEvan Yan } 2589*26947304SEvan Yan 2590*26947304SEvan Yan /* check if hotplug data is included in snapshot */ 2591*26947304SEvan Yan pa = (caddr_t)node - DI_NODE(node)->self; 2592*26947304SEvan Yan if (!(DI_ALL(pa)->command & DINFOHP)) { 2593*26947304SEvan Yan errno = ENOTSUP; 2594*26947304SEvan Yan return (-1); 2595*26947304SEvan Yan } 2596*26947304SEvan Yan 2597*26947304SEvan Yan walk_arg.arg = arg; 2598*26947304SEvan Yan walk_arg.type = type; 2599*26947304SEvan Yan walk_arg.flag = flag; 2600*26947304SEvan Yan walk_arg.hp_callback = hp_callback; 2601*26947304SEvan Yan return (di_walk_node(node, DI_WALK_CLDFIRST, &walk_arg, 2602*26947304SEvan Yan di_walk_hp_callback)); 2603*26947304SEvan Yan } 2604*26947304SEvan Yan 2605*26947304SEvan Yan di_hp_t 2606*26947304SEvan Yan di_hp_next(di_node_t node, di_hp_t hp) 2607*26947304SEvan Yan { 2608*26947304SEvan Yan caddr_t pa; 2609*26947304SEvan Yan 2610*26947304SEvan Yan /* 2611*26947304SEvan Yan * paranoid error checking 2612*26947304SEvan Yan */ 2613*26947304SEvan Yan if (node == DI_NODE_NIL) { 2614*26947304SEvan Yan errno = EINVAL; 2615*26947304SEvan Yan return (DI_HP_NIL); 2616*26947304SEvan Yan } 2617*26947304SEvan Yan 2618*26947304SEvan Yan /* 2619*26947304SEvan Yan * hotplug node is not NIL 2620*26947304SEvan Yan */ 2621*26947304SEvan Yan if (hp != DI_HP_NIL) { 2622*26947304SEvan Yan if (DI_HP(hp)->next != 0) 2623*26947304SEvan Yan return (DI_HP((caddr_t)hp - hp->self + hp->next)); 2624*26947304SEvan Yan else { 2625*26947304SEvan Yan errno = ENXIO; 2626*26947304SEvan Yan return (DI_HP_NIL); 2627*26947304SEvan Yan } 2628*26947304SEvan Yan } 2629*26947304SEvan Yan 2630*26947304SEvan Yan /* 2631*26947304SEvan Yan * hotplug node is NIL-->caller asks for first hotplug node 2632*26947304SEvan Yan */ 2633*26947304SEvan Yan if (DI_NODE(node)->hp_data != 0) { 2634*26947304SEvan Yan return (DI_HP((caddr_t)node - DI_NODE(node)->self + 2635*26947304SEvan Yan DI_NODE(node)->hp_data)); 2636*26947304SEvan Yan } 2637*26947304SEvan Yan 2638*26947304SEvan Yan /* 2639*26947304SEvan Yan * no hotplug data-->check if snapshot includes hotplug data 2640*26947304SEvan Yan * in order to set the correct errno 2641*26947304SEvan Yan */ 2642*26947304SEvan Yan pa = (caddr_t)node - DI_NODE(node)->self; 2643*26947304SEvan Yan if (DINFOHP & DI_ALL(pa)->command) 2644*26947304SEvan Yan errno = ENXIO; 2645*26947304SEvan Yan else 2646*26947304SEvan Yan errno = ENOTSUP; 2647*26947304SEvan Yan 2648*26947304SEvan Yan return (DI_HP_NIL); 2649*26947304SEvan Yan } 2650*26947304SEvan Yan 2651*26947304SEvan Yan char * 2652*26947304SEvan Yan di_hp_name(di_hp_t hp) 2653*26947304SEvan Yan { 2654*26947304SEvan Yan caddr_t pa; 2655*26947304SEvan Yan 2656*26947304SEvan Yan /* 2657*26947304SEvan Yan * paranoid error checking 2658*26947304SEvan Yan */ 2659*26947304SEvan Yan if (hp == DI_HP_NIL) { 2660*26947304SEvan Yan errno = EINVAL; 2661*26947304SEvan Yan return (NULL); 2662*26947304SEvan Yan } 2663*26947304SEvan Yan 2664*26947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 2665*26947304SEvan Yan 2666*26947304SEvan Yan if (DI_HP(hp)->hp_name == 0) { 2667*26947304SEvan Yan errno = ENXIO; 2668*26947304SEvan Yan return (NULL); 2669*26947304SEvan Yan } 2670*26947304SEvan Yan 2671*26947304SEvan Yan return ((char *)(pa + DI_HP(hp)->hp_name)); 2672*26947304SEvan Yan } 2673*26947304SEvan Yan 2674*26947304SEvan Yan int 2675*26947304SEvan Yan di_hp_connection(di_hp_t hp) 2676*26947304SEvan Yan { 2677*26947304SEvan Yan /* 2678*26947304SEvan Yan * paranoid error checking 2679*26947304SEvan Yan */ 2680*26947304SEvan Yan if (hp == DI_HP_NIL) { 2681*26947304SEvan Yan errno = EINVAL; 2682*26947304SEvan Yan return (-1); 2683*26947304SEvan Yan } 2684*26947304SEvan Yan 2685*26947304SEvan Yan if (DI_HP(hp)->hp_connection == -1) 2686*26947304SEvan Yan errno = ENOENT; 2687*26947304SEvan Yan 2688*26947304SEvan Yan return (DI_HP(hp)->hp_connection); 2689*26947304SEvan Yan } 2690*26947304SEvan Yan 2691*26947304SEvan Yan int 2692*26947304SEvan Yan di_hp_depends_on(di_hp_t hp) 2693*26947304SEvan Yan { 2694*26947304SEvan Yan /* 2695*26947304SEvan Yan * paranoid error checking 2696*26947304SEvan Yan */ 2697*26947304SEvan Yan if (hp == DI_HP_NIL) { 2698*26947304SEvan Yan errno = EINVAL; 2699*26947304SEvan Yan return (-1); 2700*26947304SEvan Yan } 2701*26947304SEvan Yan 2702*26947304SEvan Yan if (DI_HP(hp)->hp_depends_on == -1) 2703*26947304SEvan Yan errno = ENOENT; 2704*26947304SEvan Yan 2705*26947304SEvan Yan return (DI_HP(hp)->hp_depends_on); 2706*26947304SEvan Yan } 2707*26947304SEvan Yan 2708*26947304SEvan Yan int 2709*26947304SEvan Yan di_hp_state(di_hp_t hp) 2710*26947304SEvan Yan { 2711*26947304SEvan Yan /* 2712*26947304SEvan Yan * paranoid error checking 2713*26947304SEvan Yan */ 2714*26947304SEvan Yan if (hp == DI_HP_NIL) { 2715*26947304SEvan Yan errno = EINVAL; 2716*26947304SEvan Yan return (-1); 2717*26947304SEvan Yan } 2718*26947304SEvan Yan 2719*26947304SEvan Yan return (DI_HP(hp)->hp_state); 2720*26947304SEvan Yan } 2721*26947304SEvan Yan 2722*26947304SEvan Yan int 2723*26947304SEvan Yan di_hp_type(di_hp_t hp) 2724*26947304SEvan Yan { 2725*26947304SEvan Yan /* 2726*26947304SEvan Yan * paranoid error checking 2727*26947304SEvan Yan */ 2728*26947304SEvan Yan if (hp == DI_HP_NIL) { 2729*26947304SEvan Yan errno = EINVAL; 2730*26947304SEvan Yan return (-1); 2731*26947304SEvan Yan } 2732*26947304SEvan Yan 2733*26947304SEvan Yan return (DI_HP(hp)->hp_type); 2734*26947304SEvan Yan } 2735*26947304SEvan Yan 2736*26947304SEvan Yan char * 2737*26947304SEvan Yan di_hp_description(di_hp_t hp) 2738*26947304SEvan Yan { 2739*26947304SEvan Yan caddr_t pa; 2740*26947304SEvan Yan 2741*26947304SEvan Yan /* 2742*26947304SEvan Yan * paranoid error checking 2743*26947304SEvan Yan */ 2744*26947304SEvan Yan if (hp == DI_HP_NIL) { 2745*26947304SEvan Yan errno = EINVAL; 2746*26947304SEvan Yan return (NULL); 2747*26947304SEvan Yan } 2748*26947304SEvan Yan 2749*26947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 2750*26947304SEvan Yan 2751*26947304SEvan Yan if (DI_HP(hp)->hp_type_str == 0) 2752*26947304SEvan Yan return (NULL); 2753*26947304SEvan Yan 2754*26947304SEvan Yan return ((char *)(pa + DI_HP(hp)->hp_type_str)); 2755*26947304SEvan Yan } 2756*26947304SEvan Yan 2757*26947304SEvan Yan di_node_t 2758*26947304SEvan Yan di_hp_child(di_hp_t hp) 2759*26947304SEvan Yan { 2760*26947304SEvan Yan caddr_t pa; /* starting address of map */ 2761*26947304SEvan Yan 2762*26947304SEvan Yan /* 2763*26947304SEvan Yan * paranoid error checking 2764*26947304SEvan Yan */ 2765*26947304SEvan Yan if (hp == DI_HP_NIL) { 2766*26947304SEvan Yan errno = EINVAL; 2767*26947304SEvan Yan return (DI_NODE_NIL); 2768*26947304SEvan Yan } 2769*26947304SEvan Yan 2770*26947304SEvan Yan pa = (caddr_t)hp - DI_HP(hp)->self; 2771*26947304SEvan Yan 2772*26947304SEvan Yan if (DI_HP(hp)->hp_child > 0) { 2773*26947304SEvan Yan return (DI_NODE(pa + DI_HP(hp)->hp_child)); 2774*26947304SEvan Yan } 2775*26947304SEvan Yan 2776*26947304SEvan Yan /* 2777*26947304SEvan Yan * Deal with error condition: 2778*26947304SEvan Yan * Child doesn't exist, figure out if DINFOSUBTREE is set. 2779*26947304SEvan Yan * If it isn't, set errno to ENOTSUP. 2780*26947304SEvan Yan */ 2781*26947304SEvan Yan if (!(DINFOSUBTREE & DI_ALL(pa)->command)) 2782*26947304SEvan Yan errno = ENOTSUP; 2783*26947304SEvan Yan else 2784*26947304SEvan Yan errno = ENXIO; 2785*26947304SEvan Yan 2786*26947304SEvan Yan return (DI_NODE_NIL); 2787*26947304SEvan Yan } 2788*26947304SEvan Yan 2789*26947304SEvan Yan time_t 2790*26947304SEvan Yan di_hp_last_change(di_hp_t hp) 2791*26947304SEvan Yan { 2792*26947304SEvan Yan /* 2793*26947304SEvan Yan * paranoid error checking 2794*26947304SEvan Yan */ 2795*26947304SEvan Yan if (hp == DI_HP_NIL) { 2796*26947304SEvan Yan errno = EINVAL; 2797*26947304SEvan Yan return ((time_t)0); 2798*26947304SEvan Yan } 2799*26947304SEvan Yan 2800*26947304SEvan Yan return ((time_t)DI_HP(hp)->hp_last_change); 2801*26947304SEvan Yan } 2802*26947304SEvan Yan 2803*26947304SEvan Yan /* 28047c478bd9Sstevel@tonic-gate * PROM property access 28057c478bd9Sstevel@tonic-gate */ 28067c478bd9Sstevel@tonic-gate 28077c478bd9Sstevel@tonic-gate /* 28087c478bd9Sstevel@tonic-gate * openprom driver stuff: 28097c478bd9Sstevel@tonic-gate * The maximum property length depends on the buffer size. We use 28107c478bd9Sstevel@tonic-gate * OPROMMAXPARAM defined in <sys/openpromio.h> 28117c478bd9Sstevel@tonic-gate * 28127c478bd9Sstevel@tonic-gate * MAXNAMESZ is max property name. obpdefs.h defines it as 32 based on 1275 28137c478bd9Sstevel@tonic-gate * MAXVALSZ is maximum value size, which is whatever space left in buf 28147c478bd9Sstevel@tonic-gate */ 28157c478bd9Sstevel@tonic-gate 28167c478bd9Sstevel@tonic-gate #define OBP_MAXBUF OPROMMAXPARAM - sizeof (int) 28177c478bd9Sstevel@tonic-gate #define OBP_MAXPROPLEN OBP_MAXBUF - OBP_MAXPROPNAME; 28187c478bd9Sstevel@tonic-gate 28197c478bd9Sstevel@tonic-gate struct di_prom_prop { 28207c478bd9Sstevel@tonic-gate char *name; 28217c478bd9Sstevel@tonic-gate int len; 28227c478bd9Sstevel@tonic-gate uchar_t *data; 28237c478bd9Sstevel@tonic-gate struct di_prom_prop *next; /* form a linked list */ 28247c478bd9Sstevel@tonic-gate }; 28257c478bd9Sstevel@tonic-gate 28267c478bd9Sstevel@tonic-gate struct di_prom_handle { /* handle to prom */ 28277c478bd9Sstevel@tonic-gate mutex_t lock; /* synchronize access to openprom fd */ 28287c478bd9Sstevel@tonic-gate int fd; /* /dev/openprom file descriptor */ 28297c478bd9Sstevel@tonic-gate struct di_prom_prop *list; /* linked list of prop */ 28307c478bd9Sstevel@tonic-gate union { 28317c478bd9Sstevel@tonic-gate char buf[OPROMMAXPARAM]; 28327c478bd9Sstevel@tonic-gate struct openpromio opp; 28337c478bd9Sstevel@tonic-gate } oppbuf; 28347c478bd9Sstevel@tonic-gate }; 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate di_prom_handle_t 28377c478bd9Sstevel@tonic-gate di_prom_init() 28387c478bd9Sstevel@tonic-gate { 28397c478bd9Sstevel@tonic-gate struct di_prom_handle *p; 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (struct di_prom_handle))) == NULL) 28427c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 28437c478bd9Sstevel@tonic-gate 28447c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_init: get prom handle 0x%p\n", p)); 28457c478bd9Sstevel@tonic-gate 28467c478bd9Sstevel@tonic-gate (void) mutex_init(&p->lock, USYNC_THREAD, NULL); 28477c478bd9Sstevel@tonic-gate if ((p->fd = open("/dev/openprom", O_RDONLY)) < 0) { 28487c478bd9Sstevel@tonic-gate free(p); 28497c478bd9Sstevel@tonic-gate return (DI_PROM_HANDLE_NIL); 28507c478bd9Sstevel@tonic-gate } 28517c478bd9Sstevel@tonic-gate p->list = NULL; 28527c478bd9Sstevel@tonic-gate 28537c478bd9Sstevel@tonic-gate return ((di_prom_handle_t)p); 28547c478bd9Sstevel@tonic-gate } 28557c478bd9Sstevel@tonic-gate 28567c478bd9Sstevel@tonic-gate static void 28577c478bd9Sstevel@tonic-gate di_prom_prop_free(struct di_prom_prop *list) 28587c478bd9Sstevel@tonic-gate { 28597c478bd9Sstevel@tonic-gate struct di_prom_prop *tmp = list; 28607c478bd9Sstevel@tonic-gate 28617c478bd9Sstevel@tonic-gate while (tmp != NULL) { 28627c478bd9Sstevel@tonic-gate list = tmp->next; 28637c478bd9Sstevel@tonic-gate if (tmp->name != NULL) { 28647c478bd9Sstevel@tonic-gate free(tmp->name); 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate if (tmp->data != NULL) { 28677c478bd9Sstevel@tonic-gate free(tmp->data); 28687c478bd9Sstevel@tonic-gate } 28697c478bd9Sstevel@tonic-gate free(tmp); 28707c478bd9Sstevel@tonic-gate tmp = list; 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate } 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate void 28757c478bd9Sstevel@tonic-gate di_prom_fini(di_prom_handle_t ph) 28767c478bd9Sstevel@tonic-gate { 28777c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 28787c478bd9Sstevel@tonic-gate 28797c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "di_prom_fini: free prom handle 0x%p\n", p)); 28807c478bd9Sstevel@tonic-gate 28817c478bd9Sstevel@tonic-gate (void) close(p->fd); 28827c478bd9Sstevel@tonic-gate (void) mutex_destroy(&p->lock); 28837c478bd9Sstevel@tonic-gate di_prom_prop_free(p->list); 28847c478bd9Sstevel@tonic-gate 28857c478bd9Sstevel@tonic-gate free(p); 28867c478bd9Sstevel@tonic-gate } 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate /* 28897c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 28907c478bd9Sstevel@tonic-gate * XXX: ph->lock must be held for the duration of call. 28917c478bd9Sstevel@tonic-gate */ 28927c478bd9Sstevel@tonic-gate static di_prom_prop_t 28937c478bd9Sstevel@tonic-gate di_prom_prop_found(di_prom_handle_t ph, int nodeid, 28947c478bd9Sstevel@tonic-gate di_prom_prop_t prom_prop) 28957c478bd9Sstevel@tonic-gate { 28967c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 28977c478bd9Sstevel@tonic-gate struct openpromio *opp = &p->oppbuf.opp; 28987c478bd9Sstevel@tonic-gate int *ip = (int *)((void *)opp->oprom_array); 28997c478bd9Sstevel@tonic-gate struct di_prom_prop *prop = (struct di_prom_prop *)prom_prop; 29007c478bd9Sstevel@tonic-gate 29017c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Looking for nodeid 0x%x\n", nodeid)); 29027c478bd9Sstevel@tonic-gate 29037c478bd9Sstevel@tonic-gate /* 29047c478bd9Sstevel@tonic-gate * Set "current" nodeid in the openprom driver 29057c478bd9Sstevel@tonic-gate */ 29067c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 29077c478bd9Sstevel@tonic-gate *ip = nodeid; 29087c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 29097c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", nodeid)); 29107c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29117c478bd9Sstevel@tonic-gate } 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE, "Found nodeid 0x%x\n", nodeid)); 29147c478bd9Sstevel@tonic-gate 29157c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 29167c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPNAME; 29177c478bd9Sstevel@tonic-gate if (prom_prop != DI_PROM_PROP_NIL) 29187c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prop->name); 29197c478bd9Sstevel@tonic-gate 29207c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMNXTPROP, opp) < 0) || (opp->oprom_size == 0)) 29217c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29227c478bd9Sstevel@tonic-gate 29237c478bd9Sstevel@tonic-gate /* 29247c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 29257c478bd9Sstevel@tonic-gate * (reuse variable prop) 29267c478bd9Sstevel@tonic-gate */ 29277c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) 29287c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29297c478bd9Sstevel@tonic-gate 29307c478bd9Sstevel@tonic-gate /* 29317c478bd9Sstevel@tonic-gate * Get a copy of property name 29327c478bd9Sstevel@tonic-gate */ 29337c478bd9Sstevel@tonic-gate if ((prop->name = strdup(opp->oprom_array)) == NULL) { 29347c478bd9Sstevel@tonic-gate free(prop); 29357c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29367c478bd9Sstevel@tonic-gate } 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate /* 29397c478bd9Sstevel@tonic-gate * get property value and length 29407c478bd9Sstevel@tonic-gate */ 29417c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 29427c478bd9Sstevel@tonic-gate 29437c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 29447c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 29457c478bd9Sstevel@tonic-gate free(prop->name); 29467c478bd9Sstevel@tonic-gate free(prop); 29477c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29487c478bd9Sstevel@tonic-gate } 29497c478bd9Sstevel@tonic-gate 29507c478bd9Sstevel@tonic-gate /* 29517c478bd9Sstevel@tonic-gate * make a copy of the property value 29527c478bd9Sstevel@tonic-gate */ 29537c478bd9Sstevel@tonic-gate prop->len = opp->oprom_size; 29547c478bd9Sstevel@tonic-gate 29557c478bd9Sstevel@tonic-gate if (prop->len == 0) 29567c478bd9Sstevel@tonic-gate prop->data = NULL; 29577c478bd9Sstevel@tonic-gate else if ((prop->data = malloc(prop->len)) == NULL) { 29587c478bd9Sstevel@tonic-gate free(prop->name); 29597c478bd9Sstevel@tonic-gate free(prop); 29607c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29617c478bd9Sstevel@tonic-gate } 29627c478bd9Sstevel@tonic-gate 29637c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 29647c478bd9Sstevel@tonic-gate 29657c478bd9Sstevel@tonic-gate /* 29667c478bd9Sstevel@tonic-gate * Prepend prop to list in prom handle 29677c478bd9Sstevel@tonic-gate */ 29687c478bd9Sstevel@tonic-gate prop->next = p->list; 29697c478bd9Sstevel@tonic-gate p->list = prop; 29707c478bd9Sstevel@tonic-gate 29717c478bd9Sstevel@tonic-gate return ((di_prom_prop_t)prop); 29727c478bd9Sstevel@tonic-gate } 29737c478bd9Sstevel@tonic-gate 29747c478bd9Sstevel@tonic-gate di_prom_prop_t 29757c478bd9Sstevel@tonic-gate di_prom_prop_next(di_prom_handle_t ph, di_node_t node, di_prom_prop_t prom_prop) 29767c478bd9Sstevel@tonic-gate { 29777c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 29787c478bd9Sstevel@tonic-gate 29797c478bd9Sstevel@tonic-gate DPRINTF((DI_TRACE1, "Search next prop for node 0x%p with ph 0x%p\n", 29807c478bd9Sstevel@tonic-gate node, p)); 29817c478bd9Sstevel@tonic-gate 29827c478bd9Sstevel@tonic-gate /* 29837c478bd9Sstevel@tonic-gate * paranoid check 29847c478bd9Sstevel@tonic-gate */ 29857c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 29867c478bd9Sstevel@tonic-gate errno = EINVAL; 29877c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29887c478bd9Sstevel@tonic-gate } 29897c478bd9Sstevel@tonic-gate 29907c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 29917c478bd9Sstevel@tonic-gate errno = ENXIO; 29927c478bd9Sstevel@tonic-gate return (DI_PROM_PROP_NIL); 29937c478bd9Sstevel@tonic-gate } 29947c478bd9Sstevel@tonic-gate 29957c478bd9Sstevel@tonic-gate /* 29967c478bd9Sstevel@tonic-gate * synchronize access to prom file descriptor 29977c478bd9Sstevel@tonic-gate */ 29987c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 29997c478bd9Sstevel@tonic-gate 30007c478bd9Sstevel@tonic-gate /* 30017c478bd9Sstevel@tonic-gate * look for next property 30027c478bd9Sstevel@tonic-gate */ 30037c478bd9Sstevel@tonic-gate prom_prop = di_prom_prop_found(ph, DI_NODE(node)->nodeid, prom_prop); 30047c478bd9Sstevel@tonic-gate 30057c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30067c478bd9Sstevel@tonic-gate 30077c478bd9Sstevel@tonic-gate return (prom_prop); 30087c478bd9Sstevel@tonic-gate } 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate char * 30117c478bd9Sstevel@tonic-gate di_prom_prop_name(di_prom_prop_t prom_prop) 30127c478bd9Sstevel@tonic-gate { 30137c478bd9Sstevel@tonic-gate /* 30147c478bd9Sstevel@tonic-gate * paranoid check 30157c478bd9Sstevel@tonic-gate */ 30167c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 30177c478bd9Sstevel@tonic-gate errno = EINVAL; 30187c478bd9Sstevel@tonic-gate return (NULL); 30197c478bd9Sstevel@tonic-gate } 30207c478bd9Sstevel@tonic-gate 30217c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->name); 30227c478bd9Sstevel@tonic-gate } 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate int 30257c478bd9Sstevel@tonic-gate di_prom_prop_data(di_prom_prop_t prom_prop, uchar_t **prom_prop_data) 30267c478bd9Sstevel@tonic-gate { 30277c478bd9Sstevel@tonic-gate /* 30287c478bd9Sstevel@tonic-gate * paranoid check 30297c478bd9Sstevel@tonic-gate */ 30307c478bd9Sstevel@tonic-gate if (prom_prop == DI_PROM_PROP_NIL) { 30317c478bd9Sstevel@tonic-gate errno = EINVAL; 30327c478bd9Sstevel@tonic-gate return (NULL); 30337c478bd9Sstevel@tonic-gate } 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate *prom_prop_data = ((struct di_prom_prop *)prom_prop)->data; 30367c478bd9Sstevel@tonic-gate 30377c478bd9Sstevel@tonic-gate return (((struct di_prom_prop *)prom_prop)->len); 30387c478bd9Sstevel@tonic-gate } 30397c478bd9Sstevel@tonic-gate 30407c478bd9Sstevel@tonic-gate /* 30417c478bd9Sstevel@tonic-gate * Internal library interface for locating the property 30427c478bd9Sstevel@tonic-gate * Returns length if found, -1 if prop doesn't exist. 30437c478bd9Sstevel@tonic-gate */ 30447c478bd9Sstevel@tonic-gate static struct di_prom_prop * 30457c478bd9Sstevel@tonic-gate di_prom_prop_lookup_common(di_prom_handle_t ph, di_node_t node, 30467c478bd9Sstevel@tonic-gate const char *prom_prop_name) 30477c478bd9Sstevel@tonic-gate { 30487c478bd9Sstevel@tonic-gate struct openpromio *opp; 30497c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 30507c478bd9Sstevel@tonic-gate struct di_prom_handle *p = (struct di_prom_handle *)ph; 30517c478bd9Sstevel@tonic-gate 30527c478bd9Sstevel@tonic-gate /* 30537c478bd9Sstevel@tonic-gate * paranoid check 30547c478bd9Sstevel@tonic-gate */ 30557c478bd9Sstevel@tonic-gate if ((ph == DI_PROM_HANDLE_NIL) || (node == DI_NODE_NIL)) { 30567c478bd9Sstevel@tonic-gate errno = EINVAL; 30577c478bd9Sstevel@tonic-gate return (NULL); 30587c478bd9Sstevel@tonic-gate } 30597c478bd9Sstevel@tonic-gate 30607c478bd9Sstevel@tonic-gate if (di_nodeid(node) != DI_PROM_NODEID) { 30617c478bd9Sstevel@tonic-gate errno = ENXIO; 30627c478bd9Sstevel@tonic-gate return (NULL); 30637c478bd9Sstevel@tonic-gate } 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate opp = &p->oppbuf.opp; 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate (void) mutex_lock(&p->lock); 30687c478bd9Sstevel@tonic-gate 30697c478bd9Sstevel@tonic-gate opp->oprom_size = sizeof (int); 30707c478bd9Sstevel@tonic-gate opp->oprom_node = DI_NODE(node)->nodeid; 30717c478bd9Sstevel@tonic-gate if (ioctl(p->fd, OPROMSETNODEID, opp) < 0) { 30727c478bd9Sstevel@tonic-gate errno = ENXIO; 30737c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "*** Nodeid not found 0x%x\n", 30747c478bd9Sstevel@tonic-gate DI_NODE(node)->nodeid)); 30757c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30767c478bd9Sstevel@tonic-gate return (NULL); 30777c478bd9Sstevel@tonic-gate } 30787c478bd9Sstevel@tonic-gate 30797c478bd9Sstevel@tonic-gate /* 30807c478bd9Sstevel@tonic-gate * get property length 30817c478bd9Sstevel@tonic-gate */ 30827c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 30837c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 30847c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 30857c478bd9Sstevel@tonic-gate 30867c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROPLEN, opp) < 0) || 30877c478bd9Sstevel@tonic-gate (opp->oprom_len == -1)) { 30887c478bd9Sstevel@tonic-gate /* no such property */ 30897c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30907c478bd9Sstevel@tonic-gate return (NULL); 30917c478bd9Sstevel@tonic-gate } 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate /* 30947c478bd9Sstevel@tonic-gate * Prom property found. Allocate struct for storing prop 30957c478bd9Sstevel@tonic-gate */ 30967c478bd9Sstevel@tonic-gate if ((prop = malloc(sizeof (struct di_prom_prop))) == NULL) { 30977c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 30987c478bd9Sstevel@tonic-gate return (NULL); 30997c478bd9Sstevel@tonic-gate } 31007c478bd9Sstevel@tonic-gate prop->name = NULL; /* we don't need the name */ 31017c478bd9Sstevel@tonic-gate prop->len = opp->oprom_len; 31027c478bd9Sstevel@tonic-gate 31037c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31047c478bd9Sstevel@tonic-gate prop->data = NULL; 31057c478bd9Sstevel@tonic-gate prop->next = p->list; 31067c478bd9Sstevel@tonic-gate p->list = prop; 31077c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31087c478bd9Sstevel@tonic-gate return (prop); 31097c478bd9Sstevel@tonic-gate } 31107c478bd9Sstevel@tonic-gate 31117c478bd9Sstevel@tonic-gate /* 31127c478bd9Sstevel@tonic-gate * retrieve the property value 31137c478bd9Sstevel@tonic-gate */ 31147c478bd9Sstevel@tonic-gate bzero(opp, OBP_MAXBUF); 31157c478bd9Sstevel@tonic-gate opp->oprom_size = OBP_MAXPROPLEN; 31167c478bd9Sstevel@tonic-gate (void) strcpy(opp->oprom_array, prom_prop_name); 31177c478bd9Sstevel@tonic-gate 31187c478bd9Sstevel@tonic-gate if ((ioctl(p->fd, OPROMGETPROP, opp) < 0) || 31197c478bd9Sstevel@tonic-gate (opp->oprom_size == (uint_t)-1)) { 31207c478bd9Sstevel@tonic-gate /* error retrieving property value */ 31217c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31227c478bd9Sstevel@tonic-gate free(prop); 31237c478bd9Sstevel@tonic-gate return (NULL); 31247c478bd9Sstevel@tonic-gate } 31257c478bd9Sstevel@tonic-gate 31267c478bd9Sstevel@tonic-gate /* 31277c478bd9Sstevel@tonic-gate * make a copy of the property value, stick in ph->list 31287c478bd9Sstevel@tonic-gate */ 31297c478bd9Sstevel@tonic-gate if ((prop->data = malloc(prop->len)) == NULL) { 31307c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31317c478bd9Sstevel@tonic-gate free(prop); 31327c478bd9Sstevel@tonic-gate return (NULL); 31337c478bd9Sstevel@tonic-gate } 31347c478bd9Sstevel@tonic-gate 31357c478bd9Sstevel@tonic-gate bcopy(opp->oprom_array, prop->data, prop->len); 31367c478bd9Sstevel@tonic-gate 31377c478bd9Sstevel@tonic-gate prop->next = p->list; 31387c478bd9Sstevel@tonic-gate p->list = prop; 31397c478bd9Sstevel@tonic-gate (void) mutex_unlock(&p->lock); 31407c478bd9Sstevel@tonic-gate 31417c478bd9Sstevel@tonic-gate return (prop); 31427c478bd9Sstevel@tonic-gate } 31437c478bd9Sstevel@tonic-gate 31447c478bd9Sstevel@tonic-gate int 31457c478bd9Sstevel@tonic-gate di_prom_prop_lookup_ints(di_prom_handle_t ph, di_node_t node, 31467c478bd9Sstevel@tonic-gate const char *prom_prop_name, int **prom_prop_data) 31477c478bd9Sstevel@tonic-gate { 31487c478bd9Sstevel@tonic-gate int len; 31497c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 31507c478bd9Sstevel@tonic-gate 31517c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 31527c478bd9Sstevel@tonic-gate 31537c478bd9Sstevel@tonic-gate if (prop == NULL) { 31547c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31557c478bd9Sstevel@tonic-gate return (-1); 31567c478bd9Sstevel@tonic-gate } 31577c478bd9Sstevel@tonic-gate 31587c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31597c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31607c478bd9Sstevel@tonic-gate return (0); 31617c478bd9Sstevel@tonic-gate } 31627c478bd9Sstevel@tonic-gate 31637c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 31647c478bd9Sstevel@tonic-gate DI_PROP_TYPE_INT, 1); 31657c478bd9Sstevel@tonic-gate *prom_prop_data = (int *)((void *)prop->data); 31667c478bd9Sstevel@tonic-gate 31677c478bd9Sstevel@tonic-gate return (len); 31687c478bd9Sstevel@tonic-gate } 31697c478bd9Sstevel@tonic-gate 31707c478bd9Sstevel@tonic-gate int 31717c478bd9Sstevel@tonic-gate di_prom_prop_lookup_strings(di_prom_handle_t ph, di_node_t node, 31727c478bd9Sstevel@tonic-gate const char *prom_prop_name, char **prom_prop_data) 31737c478bd9Sstevel@tonic-gate { 31747c478bd9Sstevel@tonic-gate int len; 31757c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 31767c478bd9Sstevel@tonic-gate 31777c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 31787c478bd9Sstevel@tonic-gate 31797c478bd9Sstevel@tonic-gate if (prop == NULL) { 31807c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31817c478bd9Sstevel@tonic-gate return (-1); 31827c478bd9Sstevel@tonic-gate } 31837c478bd9Sstevel@tonic-gate 31847c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 31857c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 31867c478bd9Sstevel@tonic-gate return (0); 31877c478bd9Sstevel@tonic-gate } 31887c478bd9Sstevel@tonic-gate 31897c478bd9Sstevel@tonic-gate /* 31907c478bd9Sstevel@tonic-gate * Fix an openprom bug (OBP string not NULL terminated). 31917c478bd9Sstevel@tonic-gate * XXX This should really be fixed in promif. 31927c478bd9Sstevel@tonic-gate */ 31937c478bd9Sstevel@tonic-gate if (((char *)prop->data)[prop->len - 1] != '\0') { 31947c478bd9Sstevel@tonic-gate uchar_t *tmp; 31957c478bd9Sstevel@tonic-gate prop->len++; 31967c478bd9Sstevel@tonic-gate if ((tmp = realloc(prop->data, prop->len)) == NULL) 31977c478bd9Sstevel@tonic-gate return (-1); 31987c478bd9Sstevel@tonic-gate 31997c478bd9Sstevel@tonic-gate prop->data = tmp; 32007c478bd9Sstevel@tonic-gate ((char *)prop->data)[prop->len - 1] = '\0'; 32017c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "OBP string not NULL terminated: " 32027c478bd9Sstevel@tonic-gate "node=%s, prop=%s, val=%s\n", 32037c478bd9Sstevel@tonic-gate di_node_name(node), prom_prop_name, prop->data)); 32047c478bd9Sstevel@tonic-gate } 32057c478bd9Sstevel@tonic-gate 32067c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 32077c478bd9Sstevel@tonic-gate DI_PROP_TYPE_STRING, 1); 32087c478bd9Sstevel@tonic-gate *prom_prop_data = (char *)prop->data; 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate return (len); 32117c478bd9Sstevel@tonic-gate } 32127c478bd9Sstevel@tonic-gate 32137c478bd9Sstevel@tonic-gate int 32147c478bd9Sstevel@tonic-gate di_prom_prop_lookup_bytes(di_prom_handle_t ph, di_node_t node, 32157c478bd9Sstevel@tonic-gate const char *prom_prop_name, uchar_t **prom_prop_data) 32167c478bd9Sstevel@tonic-gate { 32177c478bd9Sstevel@tonic-gate int len; 32187c478bd9Sstevel@tonic-gate struct di_prom_prop *prop; 32197c478bd9Sstevel@tonic-gate 32207c478bd9Sstevel@tonic-gate prop = di_prom_prop_lookup_common(ph, node, prom_prop_name); 32217c478bd9Sstevel@tonic-gate 32227c478bd9Sstevel@tonic-gate if (prop == NULL) { 32237c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 32247c478bd9Sstevel@tonic-gate return (-1); 32257c478bd9Sstevel@tonic-gate } 32267c478bd9Sstevel@tonic-gate 32277c478bd9Sstevel@tonic-gate if (prop->len == 0) { /* boolean property */ 32287c478bd9Sstevel@tonic-gate *prom_prop_data = NULL; 32297c478bd9Sstevel@tonic-gate return (0); 32307c478bd9Sstevel@tonic-gate } 32317c478bd9Sstevel@tonic-gate 32327c478bd9Sstevel@tonic-gate len = di_prop_decode_common((void *)&prop->data, prop->len, 32337c478bd9Sstevel@tonic-gate DI_PROP_TYPE_BYTE, 1); 32347c478bd9Sstevel@tonic-gate *prom_prop_data = prop->data; 32357c478bd9Sstevel@tonic-gate 32367c478bd9Sstevel@tonic-gate return (len); 32377c478bd9Sstevel@tonic-gate } 32387c478bd9Sstevel@tonic-gate 32393ebafc43Sjveta /* 32403ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 32413ebafc43Sjveta * and the number of entries (count) as the function return value; 32423ebafc43Sjveta * use di_slot_names_free() to free the array 32433ebafc43Sjveta */ 32443ebafc43Sjveta int 32453ebafc43Sjveta di_prop_slot_names(di_prop_t prop, di_slot_name_t **prop_data) 32463ebafc43Sjveta { 32473ebafc43Sjveta int rawlen, count; 32483ebafc43Sjveta uchar_t *rawdata; 32493ebafc43Sjveta char *nm = di_prop_name(prop); 32503ebafc43Sjveta 32513ebafc43Sjveta if (nm == NULL || strcmp(DI_PROP_SLOT_NAMES, nm) != 0) 32523ebafc43Sjveta goto ERROUT; 32533ebafc43Sjveta 32543ebafc43Sjveta rawlen = di_prop_rawdata(prop, &rawdata); 32553ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 32563ebafc43Sjveta goto ERROUT; 32573ebafc43Sjveta 32583ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 32593ebafc43Sjveta if (count < 0 || *prop_data == NULL) 32603ebafc43Sjveta goto ERROUT; 32613ebafc43Sjveta 32623ebafc43Sjveta return (count); 32633ebafc43Sjveta /*NOTREACHED*/ 32643ebafc43Sjveta ERROUT: 32653ebafc43Sjveta errno = EFAULT; 32663ebafc43Sjveta *prop_data = NULL; 32673ebafc43Sjveta return (-1); 32683ebafc43Sjveta } 32693ebafc43Sjveta 32703ebafc43Sjveta int 32713ebafc43Sjveta di_prop_lookup_slot_names(dev_t dev, di_node_t node, 32723ebafc43Sjveta di_slot_name_t **prop_data) 32733ebafc43Sjveta { 32743ebafc43Sjveta di_prop_t prop; 32753ebafc43Sjveta 32763ebafc43Sjveta /* 32773ebafc43Sjveta * change this if and when DI_PROP_TYPE_COMPOSITE is implemented 32783ebafc43Sjveta * and slot-names is properly flagged as such 32793ebafc43Sjveta */ 32803ebafc43Sjveta if ((prop = di_prop_find(dev, node, DI_PROP_SLOT_NAMES)) == 32813ebafc43Sjveta DI_PROP_NIL) { 32823ebafc43Sjveta *prop_data = NULL; 32833ebafc43Sjveta return (-1); 32843ebafc43Sjveta } 32853ebafc43Sjveta 32863ebafc43Sjveta return (di_prop_slot_names(prop, (void *)prop_data)); 32873ebafc43Sjveta } 32883ebafc43Sjveta 32893ebafc43Sjveta /* 32903ebafc43Sjveta * returns an allocated array through <prop_data> only when its count > 0 32913ebafc43Sjveta * and the number of entries (count) as the function return value; 32923ebafc43Sjveta * use di_slot_names_free() to free the array 32933ebafc43Sjveta */ 32943ebafc43Sjveta int 32953ebafc43Sjveta di_prom_prop_slot_names(di_prom_prop_t prom_prop, di_slot_name_t **prop_data) 32963ebafc43Sjveta { 32973ebafc43Sjveta int rawlen, count; 32983ebafc43Sjveta uchar_t *rawdata; 32993ebafc43Sjveta 33003ebafc43Sjveta rawlen = di_prom_prop_data(prom_prop, &rawdata); 33013ebafc43Sjveta if (rawlen <= 0 || rawdata == NULL) 33023ebafc43Sjveta goto ERROUT; 33033ebafc43Sjveta 33043ebafc43Sjveta count = di_slot_names_decode(rawdata, rawlen, prop_data); 33053ebafc43Sjveta if (count < 0 || *prop_data == NULL) 33063ebafc43Sjveta goto ERROUT; 33073ebafc43Sjveta 33083ebafc43Sjveta return (count); 33093ebafc43Sjveta /*NOTREACHED*/ 33103ebafc43Sjveta ERROUT: 33113ebafc43Sjveta errno = EFAULT; 33123ebafc43Sjveta *prop_data = NULL; 33133ebafc43Sjveta return (-1); 33143ebafc43Sjveta } 33153ebafc43Sjveta 33163ebafc43Sjveta int 33173ebafc43Sjveta di_prom_prop_lookup_slot_names(di_prom_handle_t ph, di_node_t node, 33183ebafc43Sjveta di_slot_name_t **prop_data) 33193ebafc43Sjveta { 33203ebafc43Sjveta struct di_prom_prop *prom_prop; 33213ebafc43Sjveta 33223ebafc43Sjveta prom_prop = di_prom_prop_lookup_common(ph, node, DI_PROP_SLOT_NAMES); 33233ebafc43Sjveta if (prom_prop == NULL) { 33243ebafc43Sjveta *prop_data = NULL; 33253ebafc43Sjveta return (-1); 33263ebafc43Sjveta } 33273ebafc43Sjveta 33283ebafc43Sjveta return (di_prom_prop_slot_names(prom_prop, prop_data)); 33293ebafc43Sjveta } 33303ebafc43Sjveta 33317c478bd9Sstevel@tonic-gate di_lnode_t 33327c478bd9Sstevel@tonic-gate di_link_to_lnode(di_link_t link, uint_t endpoint) 33337c478bd9Sstevel@tonic-gate { 33347c478bd9Sstevel@tonic-gate struct di_all *di_all; 33357c478bd9Sstevel@tonic-gate 33367c478bd9Sstevel@tonic-gate if ((link == DI_LINK_NIL) || 33377c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 33387c478bd9Sstevel@tonic-gate errno = EINVAL; 33397c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 33407c478bd9Sstevel@tonic-gate } 33417c478bd9Sstevel@tonic-gate 33427c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)link - DI_LINK(link)->self); 33437c478bd9Sstevel@tonic-gate 33447c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 33457c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->src_lnode)); 33467c478bd9Sstevel@tonic-gate } else { 33477c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + DI_LINK(link)->tgt_lnode)); 33487c478bd9Sstevel@tonic-gate } 33497c478bd9Sstevel@tonic-gate /* NOTREACHED */ 33507c478bd9Sstevel@tonic-gate } 33517c478bd9Sstevel@tonic-gate 33527c478bd9Sstevel@tonic-gate char * 33537c478bd9Sstevel@tonic-gate di_lnode_name(di_lnode_t lnode) 33547c478bd9Sstevel@tonic-gate { 33557c478bd9Sstevel@tonic-gate return (di_driver_name(di_lnode_devinfo(lnode))); 33567c478bd9Sstevel@tonic-gate } 33577c478bd9Sstevel@tonic-gate 33587c478bd9Sstevel@tonic-gate di_node_t 33597c478bd9Sstevel@tonic-gate di_lnode_devinfo(di_lnode_t lnode) 33607c478bd9Sstevel@tonic-gate { 33617c478bd9Sstevel@tonic-gate struct di_all *di_all; 33627c478bd9Sstevel@tonic-gate 33637c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 33647c478bd9Sstevel@tonic-gate return (DI_NODE((caddr_t)di_all + DI_LNODE(lnode)->node)); 33657c478bd9Sstevel@tonic-gate } 33667c478bd9Sstevel@tonic-gate 33677c478bd9Sstevel@tonic-gate int 33687c478bd9Sstevel@tonic-gate di_lnode_devt(di_lnode_t lnode, dev_t *devt) 33697c478bd9Sstevel@tonic-gate { 33707c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || (devt == NULL)) { 33717c478bd9Sstevel@tonic-gate errno = EINVAL; 33727c478bd9Sstevel@tonic-gate return (-1); 33737c478bd9Sstevel@tonic-gate } 33747c478bd9Sstevel@tonic-gate if ((DI_LNODE(lnode)->dev_major == (major_t)-1) && 33757c478bd9Sstevel@tonic-gate (DI_LNODE(lnode)->dev_minor == (minor_t)-1)) 33767c478bd9Sstevel@tonic-gate return (-1); 33777c478bd9Sstevel@tonic-gate 33787c478bd9Sstevel@tonic-gate *devt = makedev(DI_LNODE(lnode)->dev_major, DI_LNODE(lnode)->dev_minor); 33797c478bd9Sstevel@tonic-gate return (0); 33807c478bd9Sstevel@tonic-gate } 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate int 33837c478bd9Sstevel@tonic-gate di_link_spectype(di_link_t link) 33847c478bd9Sstevel@tonic-gate { 33857c478bd9Sstevel@tonic-gate return (DI_LINK(link)->spec_type); 33867c478bd9Sstevel@tonic-gate } 33877c478bd9Sstevel@tonic-gate 33887c478bd9Sstevel@tonic-gate void 33897c478bd9Sstevel@tonic-gate di_minor_private_set(di_minor_t minor, void *data) 33907c478bd9Sstevel@tonic-gate { 33917c478bd9Sstevel@tonic-gate DI_MINOR(minor)->user_private_data = (uintptr_t)data; 33927c478bd9Sstevel@tonic-gate } 33937c478bd9Sstevel@tonic-gate 33947c478bd9Sstevel@tonic-gate void * 33957c478bd9Sstevel@tonic-gate di_minor_private_get(di_minor_t minor) 33967c478bd9Sstevel@tonic-gate { 33978309866bSanish return ((void *)(uintptr_t)DI_MINOR(minor)->user_private_data); 33987c478bd9Sstevel@tonic-gate } 33997c478bd9Sstevel@tonic-gate 34007c478bd9Sstevel@tonic-gate void 34017c478bd9Sstevel@tonic-gate di_node_private_set(di_node_t node, void *data) 34027c478bd9Sstevel@tonic-gate { 34037c478bd9Sstevel@tonic-gate DI_NODE(node)->user_private_data = (uintptr_t)data; 34047c478bd9Sstevel@tonic-gate } 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate void * 34077c478bd9Sstevel@tonic-gate di_node_private_get(di_node_t node) 34087c478bd9Sstevel@tonic-gate { 34098309866bSanish return ((void *)(uintptr_t)DI_NODE(node)->user_private_data); 34107c478bd9Sstevel@tonic-gate } 34117c478bd9Sstevel@tonic-gate 34127c478bd9Sstevel@tonic-gate void 3413602ca9eaScth di_path_private_set(di_path_t path, void *data) 3414602ca9eaScth { 3415602ca9eaScth DI_PATH(path)->user_private_data = (uintptr_t)data; 3416602ca9eaScth } 3417602ca9eaScth 3418602ca9eaScth void * 3419602ca9eaScth di_path_private_get(di_path_t path) 3420602ca9eaScth { 3421602ca9eaScth return ((void *)(uintptr_t)DI_PATH(path)->user_private_data); 3422602ca9eaScth } 3423602ca9eaScth 3424602ca9eaScth void 34257c478bd9Sstevel@tonic-gate di_lnode_private_set(di_lnode_t lnode, void *data) 34267c478bd9Sstevel@tonic-gate { 34277c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->user_private_data = (uintptr_t)data; 34287c478bd9Sstevel@tonic-gate } 34297c478bd9Sstevel@tonic-gate 34307c478bd9Sstevel@tonic-gate void * 34317c478bd9Sstevel@tonic-gate di_lnode_private_get(di_lnode_t lnode) 34327c478bd9Sstevel@tonic-gate { 34338309866bSanish return ((void *)(uintptr_t)DI_LNODE(lnode)->user_private_data); 34347c478bd9Sstevel@tonic-gate } 34357c478bd9Sstevel@tonic-gate 34367c478bd9Sstevel@tonic-gate void 34377c478bd9Sstevel@tonic-gate di_link_private_set(di_link_t link, void *data) 34387c478bd9Sstevel@tonic-gate { 34397c478bd9Sstevel@tonic-gate DI_LINK(link)->user_private_data = (uintptr_t)data; 34407c478bd9Sstevel@tonic-gate } 34417c478bd9Sstevel@tonic-gate 34427c478bd9Sstevel@tonic-gate void * 34437c478bd9Sstevel@tonic-gate di_link_private_get(di_link_t link) 34447c478bd9Sstevel@tonic-gate { 34458309866bSanish return ((void *)(uintptr_t)DI_LINK(link)->user_private_data); 34467c478bd9Sstevel@tonic-gate } 34477c478bd9Sstevel@tonic-gate 34487c478bd9Sstevel@tonic-gate di_lnode_t 34497c478bd9Sstevel@tonic-gate di_lnode_next(di_node_t node, di_lnode_t lnode) 34507c478bd9Sstevel@tonic-gate { 34517c478bd9Sstevel@tonic-gate struct di_all *di_all; 34527c478bd9Sstevel@tonic-gate 34537c478bd9Sstevel@tonic-gate /* 34547c478bd9Sstevel@tonic-gate * paranoid error checking 34557c478bd9Sstevel@tonic-gate */ 34567c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 34577c478bd9Sstevel@tonic-gate errno = EINVAL; 34587c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 34597c478bd9Sstevel@tonic-gate } 34607c478bd9Sstevel@tonic-gate 34617c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 34627c478bd9Sstevel@tonic-gate 34637c478bd9Sstevel@tonic-gate if (lnode == DI_NODE_NIL) { 34647c478bd9Sstevel@tonic-gate if (DI_NODE(node)->lnodes != NULL) 34657c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 34667c478bd9Sstevel@tonic-gate DI_NODE(node)->lnodes)); 34677c478bd9Sstevel@tonic-gate } else { 34687c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->node_next != NULL) 34697c478bd9Sstevel@tonic-gate return (DI_LNODE((caddr_t)di_all + 34707c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->node_next)); 34717c478bd9Sstevel@tonic-gate } 34727c478bd9Sstevel@tonic-gate 34737c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 34747c478bd9Sstevel@tonic-gate errno = ENXIO; 34757c478bd9Sstevel@tonic-gate else 34767c478bd9Sstevel@tonic-gate errno = ENOTSUP; 34777c478bd9Sstevel@tonic-gate 34787c478bd9Sstevel@tonic-gate return (DI_LNODE_NIL); 34797c478bd9Sstevel@tonic-gate } 34807c478bd9Sstevel@tonic-gate 34817c478bd9Sstevel@tonic-gate di_link_t 34827c478bd9Sstevel@tonic-gate di_link_next_by_node(di_node_t node, di_link_t link, uint_t endpoint) 34837c478bd9Sstevel@tonic-gate { 34847c478bd9Sstevel@tonic-gate struct di_all *di_all; 34857c478bd9Sstevel@tonic-gate 34867c478bd9Sstevel@tonic-gate /* 34877c478bd9Sstevel@tonic-gate * paranoid error checking 34887c478bd9Sstevel@tonic-gate */ 34897c478bd9Sstevel@tonic-gate if ((node == DI_NODE_NIL) || 34907c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 34917c478bd9Sstevel@tonic-gate errno = EINVAL; 34927c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 34937c478bd9Sstevel@tonic-gate } 34947c478bd9Sstevel@tonic-gate 34957c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)node - DI_NODE(node)->self); 34967c478bd9Sstevel@tonic-gate 34977c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 34987c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 34997c478bd9Sstevel@tonic-gate if (DI_NODE(node)->src_links != NULL) 35007c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35017c478bd9Sstevel@tonic-gate DI_NODE(node)->src_links)); 35027c478bd9Sstevel@tonic-gate } else { 35037c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_node_next != NULL) 35047c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35057c478bd9Sstevel@tonic-gate DI_LINK(link)->src_node_next)); 35067c478bd9Sstevel@tonic-gate } 35077c478bd9Sstevel@tonic-gate } else { 35087c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 35097c478bd9Sstevel@tonic-gate if (DI_NODE(node)->tgt_links != NULL) 35107c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35117c478bd9Sstevel@tonic-gate DI_NODE(node)->tgt_links)); 35127c478bd9Sstevel@tonic-gate } else { 35137c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_node_next != NULL) 35147c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35157c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_node_next)); 35167c478bd9Sstevel@tonic-gate } 35177c478bd9Sstevel@tonic-gate } 35187c478bd9Sstevel@tonic-gate 35197c478bd9Sstevel@tonic-gate if (DINFOLYR & DI_ALL(di_all)->command) 35207c478bd9Sstevel@tonic-gate errno = ENXIO; 35217c478bd9Sstevel@tonic-gate else 35227c478bd9Sstevel@tonic-gate errno = ENOTSUP; 35237c478bd9Sstevel@tonic-gate 35247c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35257c478bd9Sstevel@tonic-gate } 35267c478bd9Sstevel@tonic-gate 35277c478bd9Sstevel@tonic-gate di_link_t 35287c478bd9Sstevel@tonic-gate di_link_next_by_lnode(di_lnode_t lnode, di_link_t link, uint_t endpoint) 35297c478bd9Sstevel@tonic-gate { 35307c478bd9Sstevel@tonic-gate struct di_all *di_all; 35317c478bd9Sstevel@tonic-gate 35327c478bd9Sstevel@tonic-gate /* 35337c478bd9Sstevel@tonic-gate * paranoid error checking 35347c478bd9Sstevel@tonic-gate */ 35357c478bd9Sstevel@tonic-gate if ((lnode == DI_LNODE_NIL) || 35367c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 35377c478bd9Sstevel@tonic-gate errno = EINVAL; 35387c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35397c478bd9Sstevel@tonic-gate } 35407c478bd9Sstevel@tonic-gate 35417c478bd9Sstevel@tonic-gate di_all = DI_ALL((caddr_t)lnode - DI_LNODE(lnode)->self); 35427c478bd9Sstevel@tonic-gate 35437c478bd9Sstevel@tonic-gate if (endpoint == DI_LINK_SRC) { 35447c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 35457c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_out == NULL) 35467c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35477c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35487c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_out)); 35497c478bd9Sstevel@tonic-gate } else { 35507c478bd9Sstevel@tonic-gate if (DI_LINK(link)->src_link_next == NULL) 35517c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35527c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35537c478bd9Sstevel@tonic-gate DI_LINK(link)->src_link_next)); 35547c478bd9Sstevel@tonic-gate } 35557c478bd9Sstevel@tonic-gate } else { 35567c478bd9Sstevel@tonic-gate if (link == DI_LINK_NIL) { 35577c478bd9Sstevel@tonic-gate if (DI_LNODE(lnode)->link_in == NULL) 35587c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35597c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35607c478bd9Sstevel@tonic-gate DI_LNODE(lnode)->link_in)); 35617c478bd9Sstevel@tonic-gate } else { 35627c478bd9Sstevel@tonic-gate if (DI_LINK(link)->tgt_link_next == NULL) 35637c478bd9Sstevel@tonic-gate return (DI_LINK_NIL); 35647c478bd9Sstevel@tonic-gate return (DI_LINK((caddr_t)di_all + 35657c478bd9Sstevel@tonic-gate DI_LINK(link)->tgt_link_next)); 35667c478bd9Sstevel@tonic-gate } 35677c478bd9Sstevel@tonic-gate } 35687c478bd9Sstevel@tonic-gate /* NOTREACHED */ 35697c478bd9Sstevel@tonic-gate } 35707c478bd9Sstevel@tonic-gate 35717c478bd9Sstevel@tonic-gate /* 35727c478bd9Sstevel@tonic-gate * Internal library function: 35737c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 35747c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 35757c478bd9Sstevel@tonic-gate * 35767c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 35777c478bd9Sstevel@tonic-gate * first mode. 35787c478bd9Sstevel@tonic-gate */ 35797c478bd9Sstevel@tonic-gate static void 35807c478bd9Sstevel@tonic-gate walk_one_link(struct node_list **headp, uint_t ep, 35817c478bd9Sstevel@tonic-gate void *arg, int (*callback)(di_link_t link, void *arg)) 35827c478bd9Sstevel@tonic-gate { 35837c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 35847c478bd9Sstevel@tonic-gate di_link_t link = DI_LINK_NIL; 35857c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 35867c478bd9Sstevel@tonic-gate 35877c478bd9Sstevel@tonic-gate while ((link = di_link_next_by_node(node, link, ep)) != DI_LINK_NIL) { 35887c478bd9Sstevel@tonic-gate action = callback(link, arg); 35897c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 35907c478bd9Sstevel@tonic-gate break; 35917c478bd9Sstevel@tonic-gate } 35927c478bd9Sstevel@tonic-gate } 35937c478bd9Sstevel@tonic-gate 35947c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 35957c478bd9Sstevel@tonic-gate } 35967c478bd9Sstevel@tonic-gate 35977c478bd9Sstevel@tonic-gate int 35987c478bd9Sstevel@tonic-gate di_walk_link(di_node_t root, uint_t flag, uint_t endpoint, void *arg, 35997c478bd9Sstevel@tonic-gate int (*link_callback)(di_link_t link, void *arg)) 36007c478bd9Sstevel@tonic-gate { 36017c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 36027c478bd9Sstevel@tonic-gate 36037c478bd9Sstevel@tonic-gate #ifdef DEBUG 3604602ca9eaScth char *devfspath = di_devfs_path(root); 36057c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "walking %s link data under %s\n", 3606602ca9eaScth (endpoint == DI_LINK_SRC) ? "src" : "tgt", devfspath)); 3607602ca9eaScth di_devfs_path_free(devfspath); 36087c478bd9Sstevel@tonic-gate #endif 36097c478bd9Sstevel@tonic-gate 36107c478bd9Sstevel@tonic-gate /* 36117c478bd9Sstevel@tonic-gate * paranoid error checking 36127c478bd9Sstevel@tonic-gate */ 36137c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (link_callback == NULL) || (flag != 0) || 36147c478bd9Sstevel@tonic-gate ((endpoint != DI_LINK_SRC) && (endpoint != DI_LINK_TGT))) { 36157c478bd9Sstevel@tonic-gate errno = EINVAL; 36167c478bd9Sstevel@tonic-gate return (-1); 36177c478bd9Sstevel@tonic-gate } 36187c478bd9Sstevel@tonic-gate 36197c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 36207c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 36217c478bd9Sstevel@tonic-gate return (-1); 36227c478bd9Sstevel@tonic-gate } 36237c478bd9Sstevel@tonic-gate 36247c478bd9Sstevel@tonic-gate head->next = NULL; 36257c478bd9Sstevel@tonic-gate head->node = root; 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start link data walking from node %s\n", 36287c478bd9Sstevel@tonic-gate di_node_name(root))); 36297c478bd9Sstevel@tonic-gate 36307c478bd9Sstevel@tonic-gate while (head != NULL) 36317c478bd9Sstevel@tonic-gate walk_one_link(&head, endpoint, arg, link_callback); 36327c478bd9Sstevel@tonic-gate 36337c478bd9Sstevel@tonic-gate return (0); 36347c478bd9Sstevel@tonic-gate } 36357c478bd9Sstevel@tonic-gate 36367c478bd9Sstevel@tonic-gate /* 36377c478bd9Sstevel@tonic-gate * Internal library function: 36387c478bd9Sstevel@tonic-gate * Invoke callback for each link data on the link list of first node 36397c478bd9Sstevel@tonic-gate * on node_list headp, and place children of first node on the list. 36407c478bd9Sstevel@tonic-gate * 36417c478bd9Sstevel@tonic-gate * This is similar to walk_one_node, except we only walk in child 36427c478bd9Sstevel@tonic-gate * first mode. 36437c478bd9Sstevel@tonic-gate */ 36447c478bd9Sstevel@tonic-gate static void 36457c478bd9Sstevel@tonic-gate walk_one_lnode(struct node_list **headp, void *arg, 36467c478bd9Sstevel@tonic-gate int (*callback)(di_lnode_t lnode, void *arg)) 36477c478bd9Sstevel@tonic-gate { 36487c478bd9Sstevel@tonic-gate int action = DI_WALK_CONTINUE; 36497c478bd9Sstevel@tonic-gate di_lnode_t lnode = DI_LNODE_NIL; 36507c478bd9Sstevel@tonic-gate di_node_t node = (*headp)->node; 36517c478bd9Sstevel@tonic-gate 36527c478bd9Sstevel@tonic-gate while ((lnode = di_lnode_next(node, lnode)) != DI_LNODE_NIL) { 36537c478bd9Sstevel@tonic-gate action = callback(lnode, arg); 36547c478bd9Sstevel@tonic-gate if (action == DI_WALK_TERMINATE) { 36557c478bd9Sstevel@tonic-gate break; 36567c478bd9Sstevel@tonic-gate } 36577c478bd9Sstevel@tonic-gate } 36587c478bd9Sstevel@tonic-gate 36597c478bd9Sstevel@tonic-gate update_node_list(action, DI_WALK_LINKGEN, headp); 36607c478bd9Sstevel@tonic-gate } 36617c478bd9Sstevel@tonic-gate 36627c478bd9Sstevel@tonic-gate int 36637c478bd9Sstevel@tonic-gate di_walk_lnode(di_node_t root, uint_t flag, void *arg, 36647c478bd9Sstevel@tonic-gate int (*lnode_callback)(di_lnode_t lnode, void *arg)) 36657c478bd9Sstevel@tonic-gate { 36667c478bd9Sstevel@tonic-gate struct node_list *head; /* node_list for tree walk */ 36677c478bd9Sstevel@tonic-gate 36687c478bd9Sstevel@tonic-gate #ifdef DEBUG 3669602ca9eaScth char *devfspath = di_devfs_path(root); 3670602ca9eaScth DPRINTF((DI_INFO, "walking lnode data under %s\n", devfspath)); 3671602ca9eaScth di_devfs_path_free(devfspath); 36727c478bd9Sstevel@tonic-gate #endif 36737c478bd9Sstevel@tonic-gate 36747c478bd9Sstevel@tonic-gate /* 36757c478bd9Sstevel@tonic-gate * paranoid error checking 36767c478bd9Sstevel@tonic-gate */ 36777c478bd9Sstevel@tonic-gate if ((root == DI_NODE_NIL) || (lnode_callback == NULL) || (flag != 0)) { 36787c478bd9Sstevel@tonic-gate errno = EINVAL; 36797c478bd9Sstevel@tonic-gate return (-1); 36807c478bd9Sstevel@tonic-gate } 36817c478bd9Sstevel@tonic-gate 36827c478bd9Sstevel@tonic-gate if ((head = malloc(sizeof (struct node_list))) == NULL) { 36837c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "malloc of node_list failed\n")); 36847c478bd9Sstevel@tonic-gate return (-1); 36857c478bd9Sstevel@tonic-gate } 36867c478bd9Sstevel@tonic-gate 36877c478bd9Sstevel@tonic-gate head->next = NULL; 36887c478bd9Sstevel@tonic-gate head->node = root; 36897c478bd9Sstevel@tonic-gate 36907c478bd9Sstevel@tonic-gate DPRINTF((DI_INFO, "Start lnode data walking from node %s\n", 36917c478bd9Sstevel@tonic-gate di_node_name(root))); 36927c478bd9Sstevel@tonic-gate 36937c478bd9Sstevel@tonic-gate while (head != NULL) 36947c478bd9Sstevel@tonic-gate walk_one_lnode(&head, arg, lnode_callback); 36957c478bd9Sstevel@tonic-gate 36967c478bd9Sstevel@tonic-gate return (0); 36977c478bd9Sstevel@tonic-gate } 36987c478bd9Sstevel@tonic-gate 36997c478bd9Sstevel@tonic-gate di_node_t 3700602ca9eaScth di_lookup_node(di_node_t root, char *devfspath) 37017c478bd9Sstevel@tonic-gate { 37027c478bd9Sstevel@tonic-gate struct di_all *dap; 37037c478bd9Sstevel@tonic-gate di_node_t node; 3704602ca9eaScth char *copy, *slash, *pname, *paddr; 37057c478bd9Sstevel@tonic-gate 37067c478bd9Sstevel@tonic-gate /* 37077c478bd9Sstevel@tonic-gate * Path must be absolute and musn't have duplicate slashes 37087c478bd9Sstevel@tonic-gate */ 3709602ca9eaScth if (*devfspath != '/' || strstr(devfspath, "//")) { 3710602ca9eaScth DPRINTF((DI_ERR, "Invalid path: %s\n", devfspath)); 37117c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37127c478bd9Sstevel@tonic-gate } 37137c478bd9Sstevel@tonic-gate 37147c478bd9Sstevel@tonic-gate if (root == DI_NODE_NIL) { 37157c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "root node is DI_NODE_NIL\n")); 37167c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37177c478bd9Sstevel@tonic-gate } 37187c478bd9Sstevel@tonic-gate 37197c478bd9Sstevel@tonic-gate dap = DI_ALL((caddr_t)root - DI_NODE(root)->self); 37207c478bd9Sstevel@tonic-gate if (strcmp(dap->root_path, "/") != 0) { 37217c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "snapshot root not / : %s\n", dap->root_path)); 37227c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37237c478bd9Sstevel@tonic-gate } 37247c478bd9Sstevel@tonic-gate 3725602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3726602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 37277c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37287c478bd9Sstevel@tonic-gate } 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate for (slash = copy, node = root; slash; ) { 37317c478bd9Sstevel@tonic-gate 37327c478bd9Sstevel@tonic-gate /* 3733602ca9eaScth * Handle devfspath = "/" case as well as trailing '/' 37347c478bd9Sstevel@tonic-gate */ 37357c478bd9Sstevel@tonic-gate if (*(slash + 1) == '\0') 37367c478bd9Sstevel@tonic-gate break; 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate /* 37397c478bd9Sstevel@tonic-gate * More path-components exist. Deal with the next one 37407c478bd9Sstevel@tonic-gate */ 37417c478bd9Sstevel@tonic-gate pname = slash + 1; 37427c478bd9Sstevel@tonic-gate node = di_child_node(node); 37437c478bd9Sstevel@tonic-gate 37447c478bd9Sstevel@tonic-gate if (slash = strchr(pname, '/')) 37457c478bd9Sstevel@tonic-gate *slash = '\0'; 37467c478bd9Sstevel@tonic-gate if (paddr = strchr(pname, '@')) 37477c478bd9Sstevel@tonic-gate *paddr++ = '\0'; 37487c478bd9Sstevel@tonic-gate 37497c478bd9Sstevel@tonic-gate for (; node != DI_NODE_NIL; node = di_sibling_node(node)) { 37507c478bd9Sstevel@tonic-gate char *name, *baddr; 37517c478bd9Sstevel@tonic-gate 37527c478bd9Sstevel@tonic-gate name = di_node_name(node); 37537c478bd9Sstevel@tonic-gate baddr = di_bus_addr(node); 37547c478bd9Sstevel@tonic-gate 37557c478bd9Sstevel@tonic-gate if (strcmp(pname, name) != 0) 37567c478bd9Sstevel@tonic-gate continue; 37577c478bd9Sstevel@tonic-gate 37587c478bd9Sstevel@tonic-gate /* 37597c478bd9Sstevel@tonic-gate * Mappings between a "path-address" and bus-addr 37607c478bd9Sstevel@tonic-gate * 37617c478bd9Sstevel@tonic-gate * paddr baddr 37627c478bd9Sstevel@tonic-gate * --------------------- 37637c478bd9Sstevel@tonic-gate * NULL NULL 37647c478bd9Sstevel@tonic-gate * NULL "" 37657c478bd9Sstevel@tonic-gate * "" N/A (invalid paddr) 37667c478bd9Sstevel@tonic-gate */ 37677c478bd9Sstevel@tonic-gate if (paddr && baddr && strcmp(paddr, baddr) == 0) 37687c478bd9Sstevel@tonic-gate break; 37697c478bd9Sstevel@tonic-gate if (paddr == NULL && (baddr == NULL || *baddr == '\0')) 37707c478bd9Sstevel@tonic-gate break; 37717c478bd9Sstevel@tonic-gate } 37727c478bd9Sstevel@tonic-gate 37737c478bd9Sstevel@tonic-gate /* 37747c478bd9Sstevel@tonic-gate * No nodes in the sibling list or there was no match 37757c478bd9Sstevel@tonic-gate */ 37767c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 37777c478bd9Sstevel@tonic-gate DPRINTF((DI_ERR, "%s@%s: no node\n", pname, paddr)); 3778602ca9eaScth free(copy); 37797c478bd9Sstevel@tonic-gate return (DI_NODE_NIL); 37807c478bd9Sstevel@tonic-gate } 37817c478bd9Sstevel@tonic-gate } 37827c478bd9Sstevel@tonic-gate 37837c478bd9Sstevel@tonic-gate assert(node != DI_NODE_NIL); 3784602ca9eaScth free(copy); 37857c478bd9Sstevel@tonic-gate return (node); 37867c478bd9Sstevel@tonic-gate } 37877c478bd9Sstevel@tonic-gate 3788602ca9eaScth di_path_t 3789602ca9eaScth di_lookup_path(di_node_t root, char *devfspath) 3790602ca9eaScth { 3791602ca9eaScth di_node_t phci_node; 3792602ca9eaScth di_path_t path = DI_PATH_NIL; 3793602ca9eaScth char *copy, *lastslash; 3794602ca9eaScth char *pname, *paddr; 3795602ca9eaScth char *path_name, *path_addr; 3796602ca9eaScth 3797602ca9eaScth if ((copy = strdup(devfspath)) == NULL) { 3798602ca9eaScth DPRINTF((DI_ERR, "strdup failed on: %s\n", devfspath)); 3799602ca9eaScth return (DI_NODE_NIL); 3800602ca9eaScth } 3801602ca9eaScth 3802602ca9eaScth if ((lastslash = strrchr(copy, '/')) == NULL) { 3803602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3804602ca9eaScth goto out; 3805602ca9eaScth } 3806602ca9eaScth 3807602ca9eaScth /* stop at pHCI and find the node for the phci */ 3808602ca9eaScth *lastslash = '\0'; 3809602ca9eaScth phci_node = di_lookup_node(root, copy); 3810602ca9eaScth if (phci_node == NULL) { 3811602ca9eaScth DPRINTF((DI_ERR, "failed to find component: %s\n", devfspath)); 3812602ca9eaScth goto out; 3813602ca9eaScth } 3814602ca9eaScth 3815602ca9eaScth /* set up pname and paddr for last component */ 3816602ca9eaScth pname = lastslash + 1; 3817602ca9eaScth if ((paddr = strchr(pname, '@')) == NULL) { 3818602ca9eaScth DPRINTF((DI_ERR, "failed to find unit-addr: %s\n", devfspath)); 3819602ca9eaScth goto out; 3820602ca9eaScth } 3821602ca9eaScth *paddr++ = '\0'; 3822602ca9eaScth 3823602ca9eaScth /* walk paths below phci looking for match */ 3824602ca9eaScth for (path = di_path_phci_next_path(phci_node, DI_PATH_NIL); 3825602ca9eaScth path != DI_PATH_NIL; 3826602ca9eaScth path = di_path_phci_next_path(phci_node, path)) { 3827602ca9eaScth 3828602ca9eaScth /* get name@addr of path */ 3829602ca9eaScth path_name = di_path_node_name(path); 3830602ca9eaScth path_addr = di_path_bus_addr(path); 3831602ca9eaScth if ((path_name == NULL) || (path_addr == NULL)) 3832602ca9eaScth continue; 3833602ca9eaScth 3834602ca9eaScth /* break on match */ 3835602ca9eaScth if ((strcmp(pname, path_name) == 0) && 3836602ca9eaScth (strcmp(paddr, path_addr) == 0)) 3837602ca9eaScth break; 3838602ca9eaScth } 3839602ca9eaScth 3840602ca9eaScth out: free(copy); 3841602ca9eaScth return (path); 3842602ca9eaScth } 3843602ca9eaScth 38447c478bd9Sstevel@tonic-gate static char * 38457c478bd9Sstevel@tonic-gate msglevel2str(di_debug_t msglevel) 38467c478bd9Sstevel@tonic-gate { 38477c478bd9Sstevel@tonic-gate switch (msglevel) { 38487c478bd9Sstevel@tonic-gate case DI_ERR: 38497c478bd9Sstevel@tonic-gate return ("ERROR"); 38507c478bd9Sstevel@tonic-gate case DI_INFO: 38517c478bd9Sstevel@tonic-gate return ("Info"); 38527c478bd9Sstevel@tonic-gate case DI_TRACE: 38537c478bd9Sstevel@tonic-gate return ("Trace"); 38547c478bd9Sstevel@tonic-gate case DI_TRACE1: 38557c478bd9Sstevel@tonic-gate return ("Trace1"); 38567c478bd9Sstevel@tonic-gate case DI_TRACE2: 38577c478bd9Sstevel@tonic-gate return ("Trace2"); 38587c478bd9Sstevel@tonic-gate default: 38597c478bd9Sstevel@tonic-gate return ("UNKNOWN"); 38607c478bd9Sstevel@tonic-gate } 38617c478bd9Sstevel@tonic-gate } 38627c478bd9Sstevel@tonic-gate 38637c478bd9Sstevel@tonic-gate void 38647c478bd9Sstevel@tonic-gate dprint(di_debug_t msglevel, const char *fmt, ...) 38657c478bd9Sstevel@tonic-gate { 38667c478bd9Sstevel@tonic-gate va_list ap; 38677c478bd9Sstevel@tonic-gate char *estr; 38687c478bd9Sstevel@tonic-gate 38697c478bd9Sstevel@tonic-gate if (di_debug <= DI_QUIET) 38707c478bd9Sstevel@tonic-gate return; 38717c478bd9Sstevel@tonic-gate 38727c478bd9Sstevel@tonic-gate if (di_debug < msglevel) 38737c478bd9Sstevel@tonic-gate return; 38747c478bd9Sstevel@tonic-gate 38757c478bd9Sstevel@tonic-gate estr = msglevel2str(msglevel); 38767c478bd9Sstevel@tonic-gate 38777c478bd9Sstevel@tonic-gate assert(estr); 38787c478bd9Sstevel@tonic-gate 38797c478bd9Sstevel@tonic-gate va_start(ap, fmt); 38807c478bd9Sstevel@tonic-gate 38817c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "libdevinfo[%lu]: %s: ", 38827c478bd9Sstevel@tonic-gate (ulong_t)getpid(), estr); 38837c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 38847c478bd9Sstevel@tonic-gate 38857c478bd9Sstevel@tonic-gate va_end(ap); 38867c478bd9Sstevel@tonic-gate } 38877c478bd9Sstevel@tonic-gate 38887c478bd9Sstevel@tonic-gate /* end of devinfo.c */ 3889