1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include "mdescplugin.h"
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate static char *device_format_disk_name(char *devfs_path);
32*0Sstevel@tonic-gate static char *device_get_disk_name_from_dir(char *basedir, char *path);
33*0Sstevel@tonic-gate static cfga_list_data_t *device_get_disk_cfga_info(char *cfgpath);
34*0Sstevel@tonic-gate
35*0Sstevel@tonic-gate /* These 3 variable are defined and set in mdescplugin.c */
36*0Sstevel@tonic-gate extern picl_nodehdl_t root_node;
37*0Sstevel@tonic-gate extern md_t *mdp;
38*0Sstevel@tonic-gate extern mde_cookie_t rootnode;
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate /* This routine is defined in cpu_prop_update.c */
41*0Sstevel@tonic-gate extern void set_prop_info(ptree_propinfo_t *propinfo, int size, char *name,
42*0Sstevel@tonic-gate int type);
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate int
disk_discovery(void)45*0Sstevel@tonic-gate disk_discovery(void)
46*0Sstevel@tonic-gate {
47*0Sstevel@tonic-gate int status = PICL_FAILURE;
48*0Sstevel@tonic-gate picl_nodehdl_t discovery_node;
49*0Sstevel@tonic-gate picl_nodehdl_t new_node;
50*0Sstevel@tonic-gate ptree_propinfo_t propinfo;
51*0Sstevel@tonic-gate picl_prophdl_t proph;
52*0Sstevel@tonic-gate char *cfgpath, *dev_path, *nac;
53*0Sstevel@tonic-gate cfga_list_data_t *disk_data;
54*0Sstevel@tonic-gate int x, num_nodes, ndisks;
55*0Sstevel@tonic-gate mde_cookie_t *disklistp;
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate num_nodes = md_node_count(mdp);
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate disklistp = (mde_cookie_t *) alloca(sizeof (mde_cookie_t) *num_nodes);
60*0Sstevel@tonic-gate if (disklistp == NULL) {
61*0Sstevel@tonic-gate return (status);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate /*
65*0Sstevel@tonic-gate * Starting at the root node, scan the "fwd" dag for
66*0Sstevel@tonic-gate * all the disks in this description.
67*0Sstevel@tonic-gate */
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate ndisks = md_scan_dag(mdp, rootnode, md_find_name(mdp, "disk_nac"),
70*0Sstevel@tonic-gate md_find_name(mdp, "fwd"), disklistp);
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate if (ndisks <= 0) {
73*0Sstevel@tonic-gate return (status);
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate status = ptree_create_and_add_node(root_node, DISK_DISCOVERY_NAME,
77*0Sstevel@tonic-gate PICL_CLASS_PICL, &discovery_node);
78*0Sstevel@tonic-gate if (status != PICL_SUCCESS)
79*0Sstevel@tonic-gate return (status);
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate for (x = 0; x < ndisks; x++) {
82*0Sstevel@tonic-gate if (md_get_prop_str(mdp, disklistp[x], "phys_path",
83*0Sstevel@tonic-gate &dev_path) != 0) {
84*0Sstevel@tonic-gate continue;
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate if (md_get_prop_str(mdp, disklistp[x], "nac_name",
88*0Sstevel@tonic-gate &nac) != 0) {
89*0Sstevel@tonic-gate continue;
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate (void) ptree_create_and_add_node(discovery_node, "disk",
93*0Sstevel@tonic-gate PICL_CLASS_DISK, &new_node);
94*0Sstevel@tonic-gate
95*0Sstevel@tonic-gate set_prop_info(&propinfo, PICL_PROPNAMELEN_MAX, "Path",
96*0Sstevel@tonic-gate PICL_PTYPE_CHARSTRING);
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate (void) ptree_create_and_add_prop(new_node, &propinfo,
99*0Sstevel@tonic-gate (void *)dev_path, &proph);
100*0Sstevel@tonic-gate
101*0Sstevel@tonic-gate set_prop_info(&propinfo, PICL_PROPNAMELEN_MAX, "Location",
102*0Sstevel@tonic-gate PICL_PTYPE_CHARSTRING);
103*0Sstevel@tonic-gate
104*0Sstevel@tonic-gate (void) ptree_create_and_add_prop(new_node, &propinfo,
105*0Sstevel@tonic-gate (void *)nac, &proph);
106*0Sstevel@tonic-gate
107*0Sstevel@tonic-gate set_prop_info(&propinfo, PICL_PROPNAMELEN_MAX, "State",
108*0Sstevel@tonic-gate PICL_PTYPE_CHARSTRING);
109*0Sstevel@tonic-gate
110*0Sstevel@tonic-gate cfgpath = device_format_disk_name(dev_path);
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate if (cfgpath == NULL) {
113*0Sstevel@tonic-gate (void) ptree_create_and_add_prop(new_node, &propinfo,
114*0Sstevel@tonic-gate (void *)strdup(UNCONFIGURED), &proph);
115*0Sstevel@tonic-gate continue;
116*0Sstevel@tonic-gate }
117*0Sstevel@tonic-gate
118*0Sstevel@tonic-gate disk_data = device_get_disk_cfga_info(cfgpath);
119*0Sstevel@tonic-gate if (disk_data == NULL) {
120*0Sstevel@tonic-gate continue;
121*0Sstevel@tonic-gate }
122*0Sstevel@tonic-gate
123*0Sstevel@tonic-gate switch (disk_data->ap_o_state) {
124*0Sstevel@tonic-gate case CFGA_STAT_UNCONFIGURED:
125*0Sstevel@tonic-gate (void) ptree_create_and_add_prop(new_node, &propinfo,
126*0Sstevel@tonic-gate (void *)strdup(UNCONFIGURED), &proph);
127*0Sstevel@tonic-gate break;
128*0Sstevel@tonic-gate
129*0Sstevel@tonic-gate case CFGA_STAT_CONFIGURED:
130*0Sstevel@tonic-gate (void) ptree_create_and_add_prop(new_node, &propinfo,
131*0Sstevel@tonic-gate (void *)strdup(CONFIGURED), &proph);
132*0Sstevel@tonic-gate break;
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate default:
135*0Sstevel@tonic-gate break;
136*0Sstevel@tonic-gate }
137*0Sstevel@tonic-gate }
138*0Sstevel@tonic-gate return (status);
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate
141*0Sstevel@tonic-gate static cfga_list_data_t *
device_get_disk_cfga_info(char * cfgpath)142*0Sstevel@tonic-gate device_get_disk_cfga_info(char *cfgpath)
143*0Sstevel@tonic-gate {
144*0Sstevel@tonic-gate char **apid_names;
145*0Sstevel@tonic-gate char apid_name[CFGA_AP_LOG_ID_LEN];
146*0Sstevel@tonic-gate cfga_err_t cfga_err;
147*0Sstevel@tonic-gate struct cfga_list_data *list_data;
148*0Sstevel@tonic-gate int list_len, count;
149*0Sstevel@tonic-gate
150*0Sstevel@tonic-gate (void) strcpy(apid_name, cfgpath);
151*0Sstevel@tonic-gate
152*0Sstevel@tonic-gate apid_names = (char **)malloc(2 * sizeof (char *));
153*0Sstevel@tonic-gate apid_names[0] = apid_name;
154*0Sstevel@tonic-gate apid_names[1] = NULL;
155*0Sstevel@tonic-gate
156*0Sstevel@tonic-gate cfga_err = config_list_ext(1, (char * const *)apid_names, &list_data,
157*0Sstevel@tonic-gate &list_len, NULL, NULL, NULL, CFGA_FLAG_LIST_ALL);
158*0Sstevel@tonic-gate free(apid_names);
159*0Sstevel@tonic-gate
160*0Sstevel@tonic-gate if (cfga_err != CFGA_OK || list_len == 0) {
161*0Sstevel@tonic-gate return (NULL);
162*0Sstevel@tonic-gate }
163*0Sstevel@tonic-gate
164*0Sstevel@tonic-gate /* free any extra entries if this is not unique */
165*0Sstevel@tonic-gate if (list_len > 1) {
166*0Sstevel@tonic-gate for (count = 1; count < list_len; count++) {
167*0Sstevel@tonic-gate free(&list_data[count]);
168*0Sstevel@tonic-gate }
169*0Sstevel@tonic-gate }
170*0Sstevel@tonic-gate
171*0Sstevel@tonic-gate return (&list_data[0]);
172*0Sstevel@tonic-gate }
173*0Sstevel@tonic-gate
174*0Sstevel@tonic-gate
175*0Sstevel@tonic-gate static char *
device_format_disk_name(char * devfs_path)176*0Sstevel@tonic-gate device_format_disk_name(char *devfs_path)
177*0Sstevel@tonic-gate {
178*0Sstevel@tonic-gate char devname[256];
179*0Sstevel@tonic-gate char *diskname, *dev_cpy;
180*0Sstevel@tonic-gate char apid_name[CFGA_AP_LOG_ID_LEN];
181*0Sstevel@tonic-gate
182*0Sstevel@tonic-gate (void) snprintf(devname, sizeof (devname), "/devices%s:a,raw",
183*0Sstevel@tonic-gate devfs_path);
184*0Sstevel@tonic-gate
185*0Sstevel@tonic-gate diskname = device_get_disk_name_from_dir("/dev/rdsk", devname);
186*0Sstevel@tonic-gate if (diskname != NULL) {
187*0Sstevel@tonic-gate *strrchr(diskname, 's') = '\0';
188*0Sstevel@tonic-gate dev_cpy = strdup(diskname);
189*0Sstevel@tonic-gate *strchr(dev_cpy, 't') = '\0';
190*0Sstevel@tonic-gate
191*0Sstevel@tonic-gate (void) snprintf(apid_name, sizeof (apid_name), "%s::dsk/%s",
192*0Sstevel@tonic-gate dev_cpy, diskname);
193*0Sstevel@tonic-gate return (strdup(apid_name));
194*0Sstevel@tonic-gate }
195*0Sstevel@tonic-gate
196*0Sstevel@tonic-gate return (NULL);
197*0Sstevel@tonic-gate }
198*0Sstevel@tonic-gate
199*0Sstevel@tonic-gate /*
200*0Sstevel@tonic-gate * Getting a disk name is annoying. Walking controllers
201*0Sstevel@tonic-gate * doesn't work if disks were added out of order (ie a new
202*0Sstevel@tonic-gate * controller card was installed), and DKIO controller numbers
203*0Sstevel@tonic-gate * seem to always be 0. So we do it the old fashioned way:
204*0Sstevel@tonic-gate *
205*0Sstevel@tonic-gate * We get a target name (in the /devices tree), and we want
206*0Sstevel@tonic-gate * the node in /dev/rdsk that is a symlink to it. So we walk
207*0Sstevel@tonic-gate * /dev/rdsk, stating each entry. Since stat follows the symlink
208*0Sstevel@tonic-gate * automatically, we just compare the device and inode numbers
209*0Sstevel@tonic-gate * to the device and inode numbers of the target. According to
210*0Sstevel@tonic-gate * the stat man page, this constitues a unique match. The only
211*0Sstevel@tonic-gate * little cleanup is that this includes a slice #, which we take
212*0Sstevel@tonic-gate * off.
213*0Sstevel@tonic-gate */
214*0Sstevel@tonic-gate
215*0Sstevel@tonic-gate static char *
device_get_disk_name_from_dir(char * basedir,char * path)216*0Sstevel@tonic-gate device_get_disk_name_from_dir(char *basedir, char *path)
217*0Sstevel@tonic-gate {
218*0Sstevel@tonic-gate DIR *dir;
219*0Sstevel@tonic-gate struct dirent *dirent;
220*0Sstevel@tonic-gate struct stat srcstat, targstat;
221*0Sstevel@tonic-gate int loc_err;
222*0Sstevel@tonic-gate char fullname[256 + MAXNAMLEN];
223*0Sstevel@tonic-gate char *ptr;
224*0Sstevel@tonic-gate
225*0Sstevel@tonic-gate loc_err = stat(path, &srcstat);
226*0Sstevel@tonic-gate if (loc_err < 0) {
227*0Sstevel@tonic-gate return (NULL);
228*0Sstevel@tonic-gate }
229*0Sstevel@tonic-gate
230*0Sstevel@tonic-gate dir = opendir(basedir);
231*0Sstevel@tonic-gate if (dir == NULL) {
232*0Sstevel@tonic-gate return (NULL);
233*0Sstevel@tonic-gate }
234*0Sstevel@tonic-gate
235*0Sstevel@tonic-gate while ((dirent = readdir(dir)) != NULL) {
236*0Sstevel@tonic-gate (void) snprintf(fullname, sizeof (fullname),
237*0Sstevel@tonic-gate "%s/%s", basedir, dirent->d_name);
238*0Sstevel@tonic-gate
239*0Sstevel@tonic-gate loc_err = stat(fullname, &targstat);
240*0Sstevel@tonic-gate if (loc_err == 0) {
241*0Sstevel@tonic-gate if ((memcmp((void *)&(targstat.st_ino),
242*0Sstevel@tonic-gate (void *)&(srcstat.st_ino),
243*0Sstevel@tonic-gate sizeof (ino_t)) == 0) &&
244*0Sstevel@tonic-gate (memcmp((void *)&(targstat.st_dev),
245*0Sstevel@tonic-gate (void *)&(srcstat.st_dev),
246*0Sstevel@tonic-gate sizeof (dev_t)) == 0)) {
247*0Sstevel@tonic-gate
248*0Sstevel@tonic-gate ptr = strdup(dirent->d_name);
249*0Sstevel@tonic-gate
250*0Sstevel@tonic-gate (void) closedir(dir);
251*0Sstevel@tonic-gate return (ptr);
252*0Sstevel@tonic-gate }
253*0Sstevel@tonic-gate }
254*0Sstevel@tonic-gate }
255*0Sstevel@tonic-gate
256*0Sstevel@tonic-gate (void) closedir(dir);
257*0Sstevel@tonic-gate return (NULL);
258*0Sstevel@tonic-gate }
259