1ea8dc4b6Seschrock /*
2ea8dc4b6Seschrock * CDDL HEADER START
3ea8dc4b6Seschrock *
4ea8dc4b6Seschrock * The contents of this file are subject to the terms of the
5ea8dc4b6Seschrock * Common Development and Distribution License (the "License").
6ea8dc4b6Seschrock * You may not use this file except in compliance with the License.
7ea8dc4b6Seschrock *
8ea8dc4b6Seschrock * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9ea8dc4b6Seschrock * or http://www.opensolaris.org/os/licensing.
10ea8dc4b6Seschrock * See the License for the specific language governing permissions
11ea8dc4b6Seschrock * and limitations under the License.
12ea8dc4b6Seschrock *
13ea8dc4b6Seschrock * When distributing Covered Code, include this CDDL HEADER in each
14ea8dc4b6Seschrock * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15ea8dc4b6Seschrock * If applicable, add the following below this CDDL HEADER, with the
16ea8dc4b6Seschrock * fields enclosed by brackets "[]" replaced with your own identifying
17ea8dc4b6Seschrock * information: Portions Copyright [yyyy] [name of copyright owner]
18ea8dc4b6Seschrock *
19ea8dc4b6Seschrock * CDDL HEADER END
20ea8dc4b6Seschrock */
21ea8dc4b6Seschrock /*
223f9d6ad7SLin Ling * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
23ea8dc4b6Seschrock */
24*6df8993aSGarrett D'Amore /*
25*6df8993aSGarrett D'Amore * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
26*6df8993aSGarrett D'Amore */
27ea8dc4b6Seschrock
28ea8dc4b6Seschrock #include <fm/fmd_fmri.h>
29ea8dc4b6Seschrock #include <strings.h>
30ea8dc4b6Seschrock #include <libzfs.h>
31ea8dc4b6Seschrock
32ea8dc4b6Seschrock typedef struct cbdata {
33ea8dc4b6Seschrock uint64_t cb_guid;
34ea8dc4b6Seschrock zpool_handle_t *cb_pool;
35ea8dc4b6Seschrock } cbdata_t;
36ea8dc4b6Seschrock
3799653d4eSeschrock libzfs_handle_t *g_zfs;
3899653d4eSeschrock
39ea8dc4b6Seschrock static int
find_pool(zpool_handle_t * zhp,void * data)40ea8dc4b6Seschrock find_pool(zpool_handle_t *zhp, void *data)
41ea8dc4b6Seschrock {
42ea8dc4b6Seschrock cbdata_t *cbp = data;
43ea8dc4b6Seschrock
44990b4856Slling if (zpool_get_prop_int(zhp, ZPOOL_PROP_GUID, NULL) == cbp->cb_guid) {
45ea8dc4b6Seschrock cbp->cb_pool = zhp;
46ea8dc4b6Seschrock return (1);
47ea8dc4b6Seschrock }
48ea8dc4b6Seschrock
49ea8dc4b6Seschrock zpool_close(zhp);
50ea8dc4b6Seschrock
51ea8dc4b6Seschrock return (0);
52ea8dc4b6Seschrock }
53ea8dc4b6Seschrock
54ea8dc4b6Seschrock ssize_t
fmd_fmri_nvl2str(nvlist_t * nvl,char * buf,size_t buflen)55ea8dc4b6Seschrock fmd_fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen)
56ea8dc4b6Seschrock {
57ea8dc4b6Seschrock uint64_t pool_guid, vdev_guid;
58ea8dc4b6Seschrock cbdata_t cb;
59ea8dc4b6Seschrock ssize_t len;
60ea8dc4b6Seschrock const char *name;
61ea8dc4b6Seschrock char guidbuf[64];
62ea8dc4b6Seschrock
63ea8dc4b6Seschrock (void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
64ea8dc4b6Seschrock
65ea8dc4b6Seschrock /*
66ea8dc4b6Seschrock * Attempt to convert the pool guid to a name.
67ea8dc4b6Seschrock */
68ea8dc4b6Seschrock cb.cb_guid = pool_guid;
69ea8dc4b6Seschrock cb.cb_pool = NULL;
70ea8dc4b6Seschrock
7199653d4eSeschrock if (zpool_iter(g_zfs, find_pool, &cb) == 1) {
72ea8dc4b6Seschrock name = zpool_get_name(cb.cb_pool);
73ea8dc4b6Seschrock } else {
74ea8dc4b6Seschrock (void) snprintf(guidbuf, sizeof (guidbuf), "%llx", pool_guid);
75ea8dc4b6Seschrock name = guidbuf;
76ea8dc4b6Seschrock }
77ea8dc4b6Seschrock
78ea8dc4b6Seschrock if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) == 0)
79ea8dc4b6Seschrock len = snprintf(buf, buflen, "%s://pool=%s/vdev=%llx",
80ea8dc4b6Seschrock FM_FMRI_SCHEME_ZFS, name, vdev_guid);
81ea8dc4b6Seschrock else
82ea8dc4b6Seschrock len = snprintf(buf, buflen, "%s://pool=%s",
83ea8dc4b6Seschrock FM_FMRI_SCHEME_ZFS, name);
84ea8dc4b6Seschrock
85ea8dc4b6Seschrock if (cb.cb_pool)
86ea8dc4b6Seschrock zpool_close(cb.cb_pool);
87ea8dc4b6Seschrock
88ea8dc4b6Seschrock return (len);
89ea8dc4b6Seschrock }
90ea8dc4b6Seschrock
91ea8dc4b6Seschrock static nvlist_t *
find_vdev_iter(nvlist_t * nv,uint64_t search)92ea8dc4b6Seschrock find_vdev_iter(nvlist_t *nv, uint64_t search)
93ea8dc4b6Seschrock {
94ea8dc4b6Seschrock uint_t c, children;
95ea8dc4b6Seschrock nvlist_t **child;
96ea8dc4b6Seschrock uint64_t guid;
97ea8dc4b6Seschrock nvlist_t *ret;
98ea8dc4b6Seschrock
99ea8dc4b6Seschrock (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid);
100ea8dc4b6Seschrock
101ea8dc4b6Seschrock if (search == guid)
102ea8dc4b6Seschrock return (nv);
103ea8dc4b6Seschrock
104ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
105*6df8993aSGarrett D'Amore &child, &children) == 0) {
106c5904d13Seschrock
107*6df8993aSGarrett D'Amore for (c = 0; c < children; c++)
108*6df8993aSGarrett D'Amore if ((ret = find_vdev_iter(child[c], search)) != 0)
109*6df8993aSGarrett D'Amore return (ret);
110*6df8993aSGarrett D'Amore }
111c5904d13Seschrock
112c5904d13Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
113*6df8993aSGarrett D'Amore &child, &children) == 0) {
114ea8dc4b6Seschrock
115*6df8993aSGarrett D'Amore for (c = 0; c < children; c++)
116*6df8993aSGarrett D'Amore if ((ret = find_vdev_iter(child[c], search)) != 0)
117*6df8993aSGarrett D'Amore return (ret);
118*6df8993aSGarrett D'Amore }
119*6df8993aSGarrett D'Amore
120*6df8993aSGarrett D'Amore if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
121*6df8993aSGarrett D'Amore &child, &children) == 0) {
122*6df8993aSGarrett D'Amore
123*6df8993aSGarrett D'Amore for (c = 0; c < children; c++)
124*6df8993aSGarrett D'Amore if ((ret = find_vdev_iter(child[c], search)) != 0)
125*6df8993aSGarrett D'Amore return (ret);
126*6df8993aSGarrett D'Amore }
127ea8dc4b6Seschrock
128ea8dc4b6Seschrock return (NULL);
129ea8dc4b6Seschrock }
130ea8dc4b6Seschrock
131ea8dc4b6Seschrock static nvlist_t *
find_vdev(zpool_handle_t * zhp,uint64_t guid)132ea8dc4b6Seschrock find_vdev(zpool_handle_t *zhp, uint64_t guid)
133ea8dc4b6Seschrock {
134c5904d13Seschrock nvlist_t *config, *nvroot;
135ea8dc4b6Seschrock
136ea8dc4b6Seschrock config = zpool_get_config(zhp, NULL);
137ea8dc4b6Seschrock
138ea8dc4b6Seschrock (void) nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot);
139ea8dc4b6Seschrock
140ea8dc4b6Seschrock return (find_vdev_iter(nvroot, guid));
141ea8dc4b6Seschrock }
142ea8dc4b6Seschrock
143ea8dc4b6Seschrock int
fmd_fmri_present(nvlist_t * nvl)144ea8dc4b6Seschrock fmd_fmri_present(nvlist_t *nvl)
145ea8dc4b6Seschrock {
146ea8dc4b6Seschrock uint64_t pool_guid, vdev_guid;
147ea8dc4b6Seschrock cbdata_t cb;
148ea8dc4b6Seschrock int ret;
149ea8dc4b6Seschrock
150ea8dc4b6Seschrock (void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
151ea8dc4b6Seschrock
152ea8dc4b6Seschrock cb.cb_guid = pool_guid;
153ea8dc4b6Seschrock cb.cb_pool = NULL;
154ea8dc4b6Seschrock
15599653d4eSeschrock if (zpool_iter(g_zfs, find_pool, &cb) != 1)
156ea8dc4b6Seschrock return (0);
157ea8dc4b6Seschrock
158ea8dc4b6Seschrock if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
159ea8dc4b6Seschrock zpool_close(cb.cb_pool);
160ea8dc4b6Seschrock return (1);
161ea8dc4b6Seschrock }
162ea8dc4b6Seschrock
163ea8dc4b6Seschrock ret = (find_vdev(cb.cb_pool, vdev_guid) != NULL);
164ea8dc4b6Seschrock
165ea8dc4b6Seschrock zpool_close(cb.cb_pool);
166ea8dc4b6Seschrock
167ea8dc4b6Seschrock return (ret);
168ea8dc4b6Seschrock }
169ea8dc4b6Seschrock
17046b28a98SStephen Hanson int
fmd_fmri_replaced(nvlist_t * nvl)17146b28a98SStephen Hanson fmd_fmri_replaced(nvlist_t *nvl)
17246b28a98SStephen Hanson {
17346b28a98SStephen Hanson uint64_t pool_guid, vdev_guid;
17446b28a98SStephen Hanson cbdata_t cb;
17546b28a98SStephen Hanson int ret;
17646b28a98SStephen Hanson
17746b28a98SStephen Hanson (void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
17846b28a98SStephen Hanson
17946b28a98SStephen Hanson cb.cb_guid = pool_guid;
18046b28a98SStephen Hanson cb.cb_pool = NULL;
18146b28a98SStephen Hanson
18246b28a98SStephen Hanson if (zpool_iter(g_zfs, find_pool, &cb) != 1)
18346b28a98SStephen Hanson return (FMD_OBJ_STATE_NOT_PRESENT);
18446b28a98SStephen Hanson
18546b28a98SStephen Hanson if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
18646b28a98SStephen Hanson zpool_close(cb.cb_pool);
18746b28a98SStephen Hanson return (FMD_OBJ_STATE_STILL_PRESENT);
18846b28a98SStephen Hanson }
18946b28a98SStephen Hanson
19046b28a98SStephen Hanson ret = (find_vdev(cb.cb_pool, vdev_guid) != NULL) ?
19146b28a98SStephen Hanson FMD_OBJ_STATE_STILL_PRESENT : FMD_OBJ_STATE_NOT_PRESENT;
19246b28a98SStephen Hanson
19346b28a98SStephen Hanson zpool_close(cb.cb_pool);
19446b28a98SStephen Hanson
19546b28a98SStephen Hanson return (ret);
19646b28a98SStephen Hanson }
19746b28a98SStephen Hanson
198ea8dc4b6Seschrock int
fmd_fmri_unusable(nvlist_t * nvl)199ea8dc4b6Seschrock fmd_fmri_unusable(nvlist_t *nvl)
200ea8dc4b6Seschrock {
201ea8dc4b6Seschrock uint64_t pool_guid, vdev_guid;
202ea8dc4b6Seschrock cbdata_t cb;
203ea8dc4b6Seschrock nvlist_t *vd;
204ea8dc4b6Seschrock int ret;
205ea8dc4b6Seschrock
206ea8dc4b6Seschrock (void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
207ea8dc4b6Seschrock
208ea8dc4b6Seschrock cb.cb_guid = pool_guid;
209ea8dc4b6Seschrock cb.cb_pool = NULL;
210ea8dc4b6Seschrock
21199653d4eSeschrock if (zpool_iter(g_zfs, find_pool, &cb) != 1)
212ea8dc4b6Seschrock return (1);
213ea8dc4b6Seschrock
214ea8dc4b6Seschrock if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
215ea8dc4b6Seschrock ret = (zpool_get_state(cb.cb_pool) == POOL_STATE_UNAVAIL);
216ea8dc4b6Seschrock zpool_close(cb.cb_pool);
217ea8dc4b6Seschrock return (ret);
218ea8dc4b6Seschrock }
219ea8dc4b6Seschrock
220ea8dc4b6Seschrock vd = find_vdev(cb.cb_pool, vdev_guid);
221ea8dc4b6Seschrock if (vd == NULL) {
222ea8dc4b6Seschrock ret = 1;
223ea8dc4b6Seschrock } else {
224ea8dc4b6Seschrock vdev_stat_t *vs;
225ea8dc4b6Seschrock uint_t c;
226ea8dc4b6Seschrock
2273f9d6ad7SLin Ling (void) nvlist_lookup_uint64_array(vd, ZPOOL_CONFIG_VDEV_STATS,
228ea8dc4b6Seschrock (uint64_t **)&vs, &c);
229ea8dc4b6Seschrock
230ea8dc4b6Seschrock ret = (vs->vs_state < VDEV_STATE_DEGRADED);
231ea8dc4b6Seschrock }
232ea8dc4b6Seschrock
233ea8dc4b6Seschrock zpool_close(cb.cb_pool);
234ea8dc4b6Seschrock
235ea8dc4b6Seschrock return (ret);
236ea8dc4b6Seschrock }
23799653d4eSeschrock
23899653d4eSeschrock int
fmd_fmri_init(void)23999653d4eSeschrock fmd_fmri_init(void)
24099653d4eSeschrock {
24199653d4eSeschrock g_zfs = libzfs_init();
24299653d4eSeschrock
24399653d4eSeschrock if (g_zfs == NULL)
24499653d4eSeschrock return (-1);
24599653d4eSeschrock else
24699653d4eSeschrock return (0);
24799653d4eSeschrock }
24899653d4eSeschrock
24999653d4eSeschrock void
fmd_fmri_fini(void)25099653d4eSeschrock fmd_fmri_fini(void)
25199653d4eSeschrock {
25299653d4eSeschrock if (g_zfs)
25399653d4eSeschrock libzfs_fini(g_zfs);
25499653d4eSeschrock }
255