int
fmd_fmri_present(nvlist_t *nvl)
{
uint64_t pool_guid, vdev_guid;
cbdata_t cb;
int ret;
(void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
cb.cb_guid = pool_guid;
cb.cb_pool = NULL;
if (zpool_iter(g_zfs, find_pool, &cb) != 1)
return (0);
if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
zpool_close(cb.cb_pool);
return (1);
}
ret = (find_vdev(cb.cb_pool, vdev_guid) != NULL);
zpool_close(cb.cb_pool);
return (ret);
}
int
fmd_fmri_replaced(nvlist_t *nvl)
{
uint64_t pool_guid, vdev_guid;
cbdata_t cb;
int ret;
(void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
cb.cb_guid = pool_guid;
cb.cb_pool = NULL;
if (zpool_iter(g_zfs, find_pool, &cb) != 1)
return (FMD_OBJ_STATE_NOT_PRESENT);
if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
zpool_close(cb.cb_pool);
return (FMD_OBJ_STATE_STILL_PRESENT);
}
ret = (find_vdev(cb.cb_pool, vdev_guid) != NULL) ?
FMD_OBJ_STATE_STILL_PRESENT : FMD_OBJ_STATE_NOT_PRESENT;
zpool_close(cb.cb_pool);
return (ret);
}
int
fmd_fmri_unusable(nvlist_t *nvl)
{
uint64_t pool_guid, vdev_guid;
cbdata_t cb;
nvlist_t *vd;
int ret;
(void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
cb.cb_guid = pool_guid;
cb.cb_pool = NULL;
if (zpool_iter(g_zfs, find_pool, &cb) != 1)
return (1);
if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) != 0) {
ret = (zpool_get_state(cb.cb_pool) == POOL_STATE_UNAVAIL);
zpool_close(cb.cb_pool);
return (ret);
}
vd = find_vdev(cb.cb_pool, vdev_guid);
if (vd == NULL) {
ret = 1;
} else {
vdev_stat_t *vs;
uint_t c;
(void) nvlist_lookup_uint64_array(vd, ZPOOL_CONFIG_STATS,
(uint64_t **)&vs, &c);
ret = (vs->vs_state < VDEV_STATE_DEGRADED);
}
zpool_close(cb.cb_pool);
return (ret);
}
/*
* Find a vdev within a tree with a matching GUID.
*/
static nvlist_t *
find_vdev(nvlist_t *nv, uint64_t search)
{
uint64_t guid;
nvlist_t **child;
uint_t c, children;
nvlist_t *ret;
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
guid == search)
return (nv);
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0)
return (NULL);
for (c = 0; c < children; c++) {
if ((ret = find_vdev(child[c], search)) != NULL)
return (ret);
}
return (NULL);
}