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 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * 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 /* 2245916cd2Sjpk * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <devfsadm.h> 297c478bd9Sstevel@tonic-gate #include <stdio.h> 307c478bd9Sstevel@tonic-gate #include <strings.h> 317c478bd9Sstevel@tonic-gate #include <stdlib.h> 327c478bd9Sstevel@tonic-gate #include <limits.h> 337c478bd9Sstevel@tonic-gate #include <sys/stat.h> 3445916cd2Sjpk #include <bsm/devalloc.h> 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate #define DISK_SUBPATH_MAX 100 377c478bd9Sstevel@tonic-gate #define RM_STALE 0x01 387c478bd9Sstevel@tonic-gate #define DISK_LINK_RE "^r?dsk/c[0-9]+(t[0-9A-F]+)?d[0-9]+(((s|p))[0-9]+)?$" 397c478bd9Sstevel@tonic-gate #define DISK_LINK_TO_UPPER(ch)\ 407c478bd9Sstevel@tonic-gate (((ch) >= 'a' && (ch) <= 'z') ? (ch - 'a' + 'A') : ch) 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #define SLICE_SMI "s7" 437c478bd9Sstevel@tonic-gate #define SLICE_EFI "" 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate #define MN_SMI "h" 467c478bd9Sstevel@tonic-gate #define MN_EFI "wd" 477c478bd9Sstevel@tonic-gate #define ASCIIWWNSIZE 255 487c478bd9Sstevel@tonic-gate 4945916cd2Sjpk extern int system_labeled; 5045916cd2Sjpk 517c478bd9Sstevel@tonic-gate static int disk_callback_chan(di_minor_t minor, di_node_t node); 527c478bd9Sstevel@tonic-gate static int disk_callback_nchan(di_minor_t minor, di_node_t node); 537c478bd9Sstevel@tonic-gate static int disk_callback_wwn(di_minor_t minor, di_node_t node); 547c478bd9Sstevel@tonic-gate static int disk_callback_fabric(di_minor_t minor, di_node_t node); 557c478bd9Sstevel@tonic-gate static void disk_common(di_minor_t minor, di_node_t node, char *disk, 567c478bd9Sstevel@tonic-gate int flags); 577c478bd9Sstevel@tonic-gate static char *diskctrl(di_node_t node, di_minor_t minor); 587c478bd9Sstevel@tonic-gate extern void rm_link_from_cache(char *devlink, char *physpath); 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate static devfsadm_create_t disk_cbt[] = { 627c478bd9Sstevel@tonic-gate { "disk", "ddi_block", NULL, 637c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_nchan 647c478bd9Sstevel@tonic-gate }, 657c478bd9Sstevel@tonic-gate { "disk", "ddi_block:channel", NULL, 667c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_chan 677c478bd9Sstevel@tonic-gate }, 687c478bd9Sstevel@tonic-gate { "disk", "ddi_block:fabric", NULL, 697c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_fabric 707c478bd9Sstevel@tonic-gate }, 717c478bd9Sstevel@tonic-gate { "disk", "ddi_block:wwn", NULL, 727c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_wwn 737c478bd9Sstevel@tonic-gate }, 747c478bd9Sstevel@tonic-gate { "disk", "ddi_block:cdrom", NULL, 757c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_nchan 767c478bd9Sstevel@tonic-gate }, 777c478bd9Sstevel@tonic-gate { "disk", "ddi_block:cdrom:channel", NULL, 787c478bd9Sstevel@tonic-gate TYPE_EXACT, ILEVEL_0, disk_callback_chan 797c478bd9Sstevel@tonic-gate }, 807c478bd9Sstevel@tonic-gate }; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate DEVFSADM_CREATE_INIT_V0(disk_cbt); 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate /* 857c478bd9Sstevel@tonic-gate * HOT auto cleanup of disks not desired. 867c478bd9Sstevel@tonic-gate */ 877c478bd9Sstevel@tonic-gate static devfsadm_remove_t disk_remove_cbt[] = { 887c478bd9Sstevel@tonic-gate { "disk", DISK_LINK_RE, RM_POST, 897c478bd9Sstevel@tonic-gate ILEVEL_0, devfsadm_rm_all 907c478bd9Sstevel@tonic-gate } 917c478bd9Sstevel@tonic-gate }; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate DEVFSADM_REMOVE_INIT_V0(disk_remove_cbt); 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate static int 967c478bd9Sstevel@tonic-gate disk_callback_chan(di_minor_t minor, di_node_t node) 977c478bd9Sstevel@tonic-gate { 987c478bd9Sstevel@tonic-gate char *addr; 997c478bd9Sstevel@tonic-gate char disk[20]; 1007c478bd9Sstevel@tonic-gate uint_t targ; 1017c478bd9Sstevel@tonic-gate uint_t lun; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate addr = di_bus_addr(node); 1047c478bd9Sstevel@tonic-gate (void) sscanf(addr, "%X,%X", &targ, &lun); 1057c478bd9Sstevel@tonic-gate (void) sprintf(disk, "t%dd%d", targ, lun); 1067c478bd9Sstevel@tonic-gate disk_common(minor, node, disk, 0); 1077c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate } 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate static int 1127c478bd9Sstevel@tonic-gate disk_callback_nchan(di_minor_t minor, di_node_t node) 1137c478bd9Sstevel@tonic-gate { 1147c478bd9Sstevel@tonic-gate char *addr; 1157c478bd9Sstevel@tonic-gate char disk[10]; 1167c478bd9Sstevel@tonic-gate uint_t lun; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate addr = di_bus_addr(node); 1197c478bd9Sstevel@tonic-gate (void) sscanf(addr, "%X", &lun); 1207c478bd9Sstevel@tonic-gate (void) sprintf(disk, "d%d", lun); 1217c478bd9Sstevel@tonic-gate disk_common(minor, node, disk, 0); 1227c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate } 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate static int 1277c478bd9Sstevel@tonic-gate disk_callback_wwn(di_minor_t minor, di_node_t node) 1287c478bd9Sstevel@tonic-gate { 1297c478bd9Sstevel@tonic-gate char disk[10]; 1307c478bd9Sstevel@tonic-gate int lun; 1317c478bd9Sstevel@tonic-gate int targ; 1327c478bd9Sstevel@tonic-gate int *intp; 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, 1357c478bd9Sstevel@tonic-gate "target", &intp) <= 0) { 1367c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1377c478bd9Sstevel@tonic-gate } 1387c478bd9Sstevel@tonic-gate targ = *intp; 1397c478bd9Sstevel@tonic-gate if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, 1407c478bd9Sstevel@tonic-gate "lun", &intp) <= 0) { 1417c478bd9Sstevel@tonic-gate lun = 0; 1427c478bd9Sstevel@tonic-gate } else { 1437c478bd9Sstevel@tonic-gate lun = *intp; 1447c478bd9Sstevel@tonic-gate } 1457c478bd9Sstevel@tonic-gate (void) sprintf(disk, "t%dd%d", targ, lun); 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate disk_common(minor, node, disk, RM_STALE); 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1507c478bd9Sstevel@tonic-gate } 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate static int 1537c478bd9Sstevel@tonic-gate disk_callback_fabric(di_minor_t minor, di_node_t node) 1547c478bd9Sstevel@tonic-gate { 1557c478bd9Sstevel@tonic-gate char disk[DISK_SUBPATH_MAX]; 1567c478bd9Sstevel@tonic-gate int lun; 1577c478bd9Sstevel@tonic-gate int count; 1587c478bd9Sstevel@tonic-gate int *intp; 1597c478bd9Sstevel@tonic-gate uchar_t *str; 1607c478bd9Sstevel@tonic-gate uchar_t *wwn; 1617c478bd9Sstevel@tonic-gate uchar_t ascii_wwn[ASCIIWWNSIZE]; 1627c478bd9Sstevel@tonic-gate 1637c478bd9Sstevel@tonic-gate if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, 1647c478bd9Sstevel@tonic-gate "client-guid", (char **)&wwn) > 0) { 1657c478bd9Sstevel@tonic-gate if (strlcpy((char *)ascii_wwn, (char *)wwn, sizeof (ascii_wwn)) 1667c478bd9Sstevel@tonic-gate >= sizeof (ascii_wwn)) { 1677c478bd9Sstevel@tonic-gate devfsadm_errprint("SUNW_disk_link: GUID too long:%d", 1687c478bd9Sstevel@tonic-gate strlen((char *)wwn)); 1697c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1707c478bd9Sstevel@tonic-gate } 1717c478bd9Sstevel@tonic-gate lun = 0; 1727c478bd9Sstevel@tonic-gate } else if (di_prop_lookup_bytes(DDI_DEV_T_ANY, node, 1737c478bd9Sstevel@tonic-gate "port-wwn", &wwn) > 0) { 1747c478bd9Sstevel@tonic-gate if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, 1757c478bd9Sstevel@tonic-gate "lun", &intp) > 0) { 1767c478bd9Sstevel@tonic-gate lun = *intp; 1777c478bd9Sstevel@tonic-gate } else { 1787c478bd9Sstevel@tonic-gate lun = 0; 1797c478bd9Sstevel@tonic-gate } 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate for (count = 0, str = ascii_wwn; count < 8; count++, str += 2) { 1827c478bd9Sstevel@tonic-gate (void) sprintf((caddr_t)str, "%02x", wwn[count]); 1837c478bd9Sstevel@tonic-gate } 1847c478bd9Sstevel@tonic-gate *str = '\0'; 1857c478bd9Sstevel@tonic-gate } else { 1867c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1877c478bd9Sstevel@tonic-gate } 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate for (str = ascii_wwn; *str != '\0'; str++) { 1907c478bd9Sstevel@tonic-gate *str = DISK_LINK_TO_UPPER(*str); 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate (void) snprintf(disk, DISK_SUBPATH_MAX, "t%sd%d", ascii_wwn, lun); 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate disk_common(minor, node, disk, RM_STALE); 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate return (DEVFSADM_CONTINUE); 1987c478bd9Sstevel@tonic-gate } 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate /* 2017c478bd9Sstevel@tonic-gate * This function is called for every disk minor node. 2027c478bd9Sstevel@tonic-gate * Calls enumerate to assign a logical controller number, and 2037c478bd9Sstevel@tonic-gate * then devfsadm_mklink to make the link. 2047c478bd9Sstevel@tonic-gate */ 2057c478bd9Sstevel@tonic-gate static void 2067c478bd9Sstevel@tonic-gate disk_common(di_minor_t minor, di_node_t node, char *disk, int flags) 2077c478bd9Sstevel@tonic-gate { 2087c478bd9Sstevel@tonic-gate char l_path[PATH_MAX + 1]; 209*18c2aff7Sartem char sec_path[PATH_MAX + 1]; 2107c478bd9Sstevel@tonic-gate char stale_re[DISK_SUBPATH_MAX]; 2117c478bd9Sstevel@tonic-gate char *dir; 2127c478bd9Sstevel@tonic-gate char slice[4]; 2137c478bd9Sstevel@tonic-gate char *mn; 2147c478bd9Sstevel@tonic-gate char *ctrl; 21545916cd2Sjpk char *nt = NULL; 216*18c2aff7Sartem int *int_prop; 21745916cd2Sjpk int nflags = 0; 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate if (strstr(mn = di_minor_name(minor), ",raw")) { 2207c478bd9Sstevel@tonic-gate dir = "rdsk"; 2217c478bd9Sstevel@tonic-gate } else { 2227c478bd9Sstevel@tonic-gate dir = "dsk"; 2237c478bd9Sstevel@tonic-gate } 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate if (mn[0] < 113) { 2267c478bd9Sstevel@tonic-gate (void) sprintf(slice, "s%d", mn[0] - 'a'); 2277c478bd9Sstevel@tonic-gate } else if (strncmp(mn, MN_EFI, 2) != 0) { 2287c478bd9Sstevel@tonic-gate (void) sprintf(slice, "p%d", mn[0] - 'q'); 2297c478bd9Sstevel@tonic-gate } else { 2307c478bd9Sstevel@tonic-gate /* For EFI label */ 2317c478bd9Sstevel@tonic-gate (void) sprintf(slice, SLICE_EFI); 2327c478bd9Sstevel@tonic-gate } 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate if (NULL == (ctrl = diskctrl(node, minor))) 2357c478bd9Sstevel@tonic-gate return; 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate (void) strcpy(l_path, dir); 2387c478bd9Sstevel@tonic-gate (void) strcat(l_path, "/c"); 2397c478bd9Sstevel@tonic-gate (void) strcat(l_path, ctrl); 2407c478bd9Sstevel@tonic-gate (void) strcat(l_path, disk); 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate /* 2437c478bd9Sstevel@tonic-gate * If switching between SMI and EFI label or vice versa 2447c478bd9Sstevel@tonic-gate * cleanup the previous label's devlinks. 2457c478bd9Sstevel@tonic-gate */ 2467c478bd9Sstevel@tonic-gate if (*mn == *(MN_SMI) || (strncmp(mn, MN_EFI, 2) == 0)) { 2477c478bd9Sstevel@tonic-gate char *s, tpath[PATH_MAX + 1]; 2487c478bd9Sstevel@tonic-gate struct stat sb; 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate s = l_path + strlen(l_path); 2517c478bd9Sstevel@tonic-gate (void) strcat(l_path, (*mn == *(MN_SMI)) 2527c478bd9Sstevel@tonic-gate ? SLICE_EFI : SLICE_SMI); 2537c478bd9Sstevel@tonic-gate /* 2547c478bd9Sstevel@tonic-gate * Attempt the remove only if the stale link exists 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate (void) snprintf(tpath, sizeof (tpath), "%s/dev/%s", 2577c478bd9Sstevel@tonic-gate devfsadm_root_path(), l_path); 2587c478bd9Sstevel@tonic-gate if (lstat(tpath, &sb) != -1) 2597c478bd9Sstevel@tonic-gate devfsadm_rm_all(l_path); 2607c478bd9Sstevel@tonic-gate *s = '\0'; 2617c478bd9Sstevel@tonic-gate } 2627c478bd9Sstevel@tonic-gate (void) strcat(l_path, slice); 2637c478bd9Sstevel@tonic-gate 26445916cd2Sjpk if (system_labeled) { 26545916cd2Sjpk nt = di_minor_nodetype(minor); 26645916cd2Sjpk if ((nt != NULL) && 26745916cd2Sjpk ((strcmp(nt, DDI_NT_CD) == 0) || 26845916cd2Sjpk (strcmp(nt, DDI_NT_CD_CHAN) == 0) || 26945916cd2Sjpk (strcmp(nt, DDI_NT_BLOCK_CHAN) == 0))) { 27045916cd2Sjpk nflags = DA_ADD|DA_CD; 27145916cd2Sjpk } 27245916cd2Sjpk } 27345916cd2Sjpk 27445916cd2Sjpk (void) devfsadm_mklink(l_path, node, minor, nflags); 2757c478bd9Sstevel@tonic-gate 276*18c2aff7Sartem /* secondary links for removable and hotpluggable devices */ 277*18c2aff7Sartem if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "removable-media", 278*18c2aff7Sartem &int_prop) >= 0) { 279*18c2aff7Sartem (void) strcpy(sec_path, "removable-media/"); 280*18c2aff7Sartem (void) strcat(sec_path, l_path); 281*18c2aff7Sartem (void) devfsadm_secondary_link(sec_path, l_path, 0); 282*18c2aff7Sartem } else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "hotpluggable", 283*18c2aff7Sartem &int_prop) >= 0) { 284*18c2aff7Sartem (void) strcpy(sec_path, "hotpluggable/"); 285*18c2aff7Sartem (void) strcat(sec_path, l_path); 286*18c2aff7Sartem (void) devfsadm_secondary_link(sec_path, l_path, 0); 287*18c2aff7Sartem } 288*18c2aff7Sartem 2897c478bd9Sstevel@tonic-gate if ((flags & RM_STALE) == RM_STALE) { 2907c478bd9Sstevel@tonic-gate (void) strcpy(stale_re, "^"); 2917c478bd9Sstevel@tonic-gate (void) strcat(stale_re, dir); 2927c478bd9Sstevel@tonic-gate (void) strcat(stale_re, "/c"); 2937c478bd9Sstevel@tonic-gate (void) strcat(stale_re, ctrl); 2947c478bd9Sstevel@tonic-gate (void) strcat(stale_re, "t[0-9A-F]+d[0-9]+(s[0-9]+)?$"); 2957c478bd9Sstevel@tonic-gate /* 2967c478bd9Sstevel@tonic-gate * optimizations are made inside of devfsadm_rm_stale_links 2977c478bd9Sstevel@tonic-gate * instead of before calling the function, as it always 2987c478bd9Sstevel@tonic-gate * needs to add the valid link to the cache. 2997c478bd9Sstevel@tonic-gate */ 3007c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(stale_re, l_path, node, minor); 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate free(ctrl); 3047c478bd9Sstevel@tonic-gate } 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* index of enumeration rule applicable to this module */ 3087c478bd9Sstevel@tonic-gate #define RULE_INDEX 0 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate static char * 3117c478bd9Sstevel@tonic-gate diskctrl(di_node_t node, di_minor_t minor) 3127c478bd9Sstevel@tonic-gate { 3137c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 3147c478bd9Sstevel@tonic-gate char *devfspath; 3157c478bd9Sstevel@tonic-gate char *buf, *mn; 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[3] = { 3187c478bd9Sstevel@tonic-gate {"^r?dsk$/^c([0-9]+)", 1, MATCH_PARENT}, 3197c478bd9Sstevel@tonic-gate {"^cfg$/^c([0-9]+)$", 1, MATCH_ADDR}, 3207c478bd9Sstevel@tonic-gate {"^scsi$/^.+$/^c([0-9]+)", 1, MATCH_PARENT} 3217c478bd9Sstevel@tonic-gate }; 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate if ((devfspath = di_devfs_path(node)) == NULL) { 3267c478bd9Sstevel@tonic-gate return (NULL); 3277c478bd9Sstevel@tonic-gate } 3287c478bd9Sstevel@tonic-gate (void) strcpy(path, devfspath); 3297c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 3307c478bd9Sstevel@tonic-gate (void) strcat(path, mn); 3317c478bd9Sstevel@tonic-gate di_devfs_path_free(devfspath); 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate /* 3347c478bd9Sstevel@tonic-gate * Use controller component of disk path 3357c478bd9Sstevel@tonic-gate */ 3367c478bd9Sstevel@tonic-gate if (disk_enumerate_int(path, RULE_INDEX, &buf, rules, 3) == 3377c478bd9Sstevel@tonic-gate DEVFSADM_MULTIPLE) { 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate /* 3407c478bd9Sstevel@tonic-gate * We failed because there are multiple logical controller 3417c478bd9Sstevel@tonic-gate * numbers for a single physical controller. If we use node 3427c478bd9Sstevel@tonic-gate * name also in the match it should fix this and only find one 3437c478bd9Sstevel@tonic-gate * logical controller. (See 4045879). 3447c478bd9Sstevel@tonic-gate * NOTE: Rules for controllers are not changed, as there is 3457c478bd9Sstevel@tonic-gate * no unique controller number for them in this case. 3467c478bd9Sstevel@tonic-gate * 3477c478bd9Sstevel@tonic-gate * MATCH_UNCACHED flag is private to the "disks" and "sgen" 3487c478bd9Sstevel@tonic-gate * modules. NOT to be used by other modules. 3497c478bd9Sstevel@tonic-gate */ 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_NODE | MATCH_UNCACHED; /* disks */ 3527c478bd9Sstevel@tonic-gate rules[2].flags = MATCH_NODE | MATCH_UNCACHED; /* generic scsi */ 3537c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int(path, RULE_INDEX, &buf, rules, 3)) { 3547c478bd9Sstevel@tonic-gate return (NULL); 3557c478bd9Sstevel@tonic-gate } 3567c478bd9Sstevel@tonic-gate } 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate return (buf); 3597c478bd9Sstevel@tonic-gate } 360