/*
* Callback function for pool_list_get(). Adds the given pool to the AVL tree
* of known pools.
*/
static int
add_pool(zpool_handle_t *zhp, void *data)
{
zpool_list_t *zlp = data;
zpool_node_t *node = safe_malloc(sizeof (zpool_node_t));
uu_avl_index_t idx;
node->zn_handle = zhp;
uu_avl_node_init(node, &node->zn_avlnode, zlp->zl_pool);
if (uu_avl_find(zlp->zl_avl, node, NULL, &idx) == NULL) {
if (zlp->zl_proplist &&
zpool_expand_proplist(zhp, zlp->zl_proplist) != 0) {
zpool_close(zhp);
free(node);
return (-1);
}
uu_avl_insert(zlp->zl_avl, node, idx);
} else {
zpool_close(zhp);
free(node);
return (-1);
}
return (0);
}
/*ARGSUSED*/
static int
zfs_mark_pool(zpool_handle_t *zhp, void *unused)
{
zfs_case_t *zcp;
uint64_t pool_guid;
nvlist_t *config, *vd;
int ret;
pool_guid = zpool_get_prop_int(zhp, ZPOOL_PROP_GUID, NULL);
/*
* Mark any cases associated with just this pool.
*/
for (zcp = uu_list_first(zfs_cases); zcp != NULL;
zcp = uu_list_next(zfs_cases, zcp)) {
if (zcp->zc_data.zc_pool_guid == pool_guid &&
zcp->zc_data.zc_vdev_guid == 0)
zcp->zc_present = B_TRUE;
}
if ((config = zpool_get_config(zhp, NULL)) == NULL) {
zpool_close(zhp);
return (-1);
}
ret = nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &vd);
assert(ret == 0);
zfs_mark_vdev(pool_guid, vd);
zpool_close(zhp);
return (0);
}
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);
}
/*
* Like the above, but silent on error. Used when iterating over pools (because
* the configuration cache may be out of date).
*/
int
zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret)
{
zpool_handle_t *zhp;
boolean_t missing;
if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
return (-1);
zhp->zpool_hdl = hdl;
(void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
if (zpool_refresh_stats(zhp, &missing) != 0) {
zpool_close(zhp);
return (-1);
}
if (missing) {
zpool_close(zhp);
*ret = NULL;
return (0);
}
*ret = zhp;
return (0);
}
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);
}
/*
* Function: set_bootfs
* Description: Sets the bootfs property on the boot pool to be the
* root dataset of the activated BE.
* Parameters:
* boot_pool - The pool we're setting bootfs in.
* be_root_ds - The main dataset for the BE.
* Return:
* BE_SUCCESS - Success
* be_errno_t - Failure
* Scope:
* Private
*/
static int
set_bootfs(char *boot_rpool, char *be_root_ds)
{
zpool_handle_t *zhp;
int err = BE_SUCCESS;
if ((zhp = zpool_open(g_zfs, boot_rpool)) == NULL) {
be_print_err(gettext("set_bootfs: failed to open pool "
"(%s): %s\n"), boot_rpool, libzfs_error_description(g_zfs));
err = zfs_err_to_be_err(g_zfs);
return (err);
}
err = zpool_set_prop(zhp, "bootfs", be_root_ds);
if (err) {
be_print_err(gettext("set_bootfs: failed to set "
"bootfs property for pool %s: %s\n"), boot_rpool,
libzfs_error_description(g_zfs));
err = zfs_err_to_be_err(g_zfs);
zpool_close(zhp);
return (err);
}
zpool_close(zhp);
return (BE_SUCCESS);
}
/*
* given the path to a zvol, return the cXtYdZ name
* returns < 0 on error, 0 if it isn't a zvol, > 1 on success
*/
static int
ztop(char *arg, char *diskname)
{
zpool_handle_t *zpool_handle;
nvlist_t *config, *nvroot;
nvlist_t **child;
uint_t children;
libzfs_handle_t *lzfs;
char *vname;
char *p;
char pool_name[MAXPATHLEN];
if (strncmp(arg, "/dev/zvol/dsk/", 14)) {
return (0);
}
arg += 14;
(void) strncpy(pool_name, arg, MAXPATHLEN);
if ((p = strchr(pool_name, '/')) != NULL)
*p = '\0';
STRCPYLIM(new_cc.cf_fs, p + 1, "statefile path");
if ((lzfs = libzfs_init()) == NULL) {
mesg(MERR, "failed to initialize ZFS library\n");
return (-1);
}
if ((zpool_handle = zpool_open(lzfs, pool_name)) == NULL) {
mesg(MERR, "couldn't open pool '%s'\n", pool_name);
libzfs_fini(lzfs);
return (-1);
}
config = zpool_get_config(zpool_handle, NULL);
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) != 0) {
zpool_close(zpool_handle);
libzfs_fini(lzfs);
return (-1);
}
verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
&child, &children) == 0);
if (children != 1) {
mesg(MERR, "expected one vdev, got %d\n", children);
zpool_close(zpool_handle);
libzfs_fini(lzfs);
return (-1);
}
vname = zpool_vdev_name(lzfs, zpool_handle, child[0], B_FALSE);
if (vname == NULL) {
mesg(MERR, "couldn't determine vdev name\n");
zpool_close(zpool_handle);
libzfs_fini(lzfs);
return (-1);
}
(void) strcpy(diskname, "/dev/dsk/");
(void) strcat(diskname, vname);
free(vname);
zpool_close(zpool_handle);
libzfs_fini(lzfs);
return (1);
}
static int
zfsdle_vdev_online(zpool_handle_t *zhp, void *data)
{
char *devname = data;
boolean_t avail_spare, l2cache;
vdev_state_t newstate;
nvlist_t *tgt;
zed_log_msg(LOG_INFO, "zfsdle_vdev_online: searching for '%s' in '%s'",
devname, zpool_get_name(zhp));
if ((tgt = zpool_find_vdev_by_physpath(zhp, devname,
&avail_spare, &l2cache, NULL)) != NULL) {
char *path, fullpath[MAXPATHLEN];
uint64_t wholedisk = 0ULL;
verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH,
&path) == 0);
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk) == 0);
(void) strlcpy(fullpath, path, sizeof (fullpath));
if (wholedisk) {
char *spath = zfs_strip_partition(fullpath);
if (!spath) {
zed_log_msg(LOG_INFO, "%s: Can't alloc",
__func__);
return (0);
}
(void) strlcpy(fullpath, spath, sizeof (fullpath));
free(spath);
/*
* We need to reopen the pool associated with this
* device so that the kernel can update the size
* of the expanded device.
*/
(void) zpool_reopen(zhp);
}
if (zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
zed_log_msg(LOG_INFO, "zfsdle_vdev_online: setting "
"device '%s' to ONLINE state in pool '%s'",
fullpath, zpool_get_name(zhp));
if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL)
(void) zpool_vdev_online(zhp, fullpath, 0,
&newstate);
}
zpool_close(zhp);
return (1);
}
zpool_close(zhp);
return (0);
}
/*ARGSUSED*/
static int
zfs_mark_pool(zpool_handle_t *zhp, void *unused)
{
zfs_case_t *zcp;
uint64_t pool_guid;
uint64_t *tod;
er_timeval_t loaded = { 0 };
nvlist_t *config, *vd;
uint_t nelem = 0;
int ret;
pool_guid = zpool_get_prop_int(zhp, ZPOOL_PROP_GUID, NULL);
/*
* Mark any cases associated with just this pool.
*/
for (zcp = uu_list_first(zfs_cases); zcp != NULL;
zcp = uu_list_next(zfs_cases, zcp)) {
if (zcp->zc_data.zc_pool_guid == pool_guid &&
zcp->zc_data.zc_vdev_guid == 0)
zcp->zc_present = B_TRUE;
}
if ((config = zpool_get_config(zhp, NULL)) == NULL) {
zpool_close(zhp);
return (-1);
}
(void) nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_LOADED_TIME,
&tod, &nelem);
if (nelem == 2) {
loaded.ertv_sec = tod[0];
loaded.ertv_nsec = tod[1];
for (zcp = uu_list_first(zfs_cases); zcp != NULL;
zcp = uu_list_next(zfs_cases, zcp)) {
if (zcp->zc_data.zc_pool_guid == pool_guid &&
zcp->zc_data.zc_vdev_guid == 0) {
zcp->zc_when = loaded;
}
}
}
ret = nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &vd);
if (ret) {
zpool_close(zhp);
return (-1);
}
zfs_mark_vdev(pool_guid, vd, &loaded);
zpool_close(zhp);
return (0);
}
static int
name_or_guid_exists(zpool_handle_t *zhp, void *data)
{
importargs_t *import = data;
int found = 0;
if (import->poolname != NULL) {
char *pool_name;
verify(nvlist_lookup_string(zhp->zpool_config,
ZPOOL_CONFIG_POOL_NAME, &pool_name) == 0);
if (strcmp(pool_name, import->poolname) == 0)
found = 1;
} else {
uint64_t pool_guid;
verify(nvlist_lookup_uint64(zhp->zpool_config,
ZPOOL_CONFIG_POOL_GUID, &pool_guid) == 0);
if (pool_guid == import->guid)
found = 1;
}
zpool_close(zhp);
return (found);
}
static int
find_aux(zpool_handle_t *zhp, void *data)
{
aux_cbdata_t *cbp = data;
nvlist_t **list;
uint_t i, count;
uint64_t guid;
nvlist_t *nvroot;
verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
if (nvlist_lookup_nvlist_array(nvroot, cbp->cb_type,
&list, &count) == 0) {
for (i = 0; i < count; i++) {
verify(nvlist_lookup_uint64(list[i],
ZPOOL_CONFIG_GUID, &guid) == 0);
if (guid == cbp->cb_guid) {
cbp->cb_zhp = zhp;
return (1);
}
}
}
zpool_close(zhp);
return (0);
}
static int
zpool_find_load_time(zpool_handle_t *zhp, void *arg)
{
struct load_time_arg *lta = arg;
uint64_t pool_guid;
uint64_t *tod;
nvlist_t *config;
uint_t nelem;
if (lta->lt_found)
return (0);
pool_guid = zpool_get_prop_int(zhp, ZPOOL_PROP_GUID, NULL);
if (pool_guid != lta->lt_guid)
return (0);
if ((config = zpool_get_config(zhp, NULL)) == NULL) {
zpool_close(zhp);
return (-1);
}
if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_LOADED_TIME,
&tod, &nelem) == 0 && nelem == 2) {
lta->lt_found = B_TRUE;
lta->lt_time->ertv_sec = tod[0];
lta->lt_time->ertv_nsec = tod[1];
}
return (0);
}
static int
zfsdle_vdev_online(zpool_handle_t *zhp, void *data)
{
char *devname = data;
boolean_t avail_spare, l2cache;
vdev_state_t newstate;
nvlist_t *tgt;
syseventd_print(9, "zfsdle_vdev_online: searching for %s in pool %s\n",
devname, zpool_get_name(zhp));
if ((tgt = zpool_find_vdev_by_physpath(zhp, devname,
&avail_spare, &l2cache, NULL)) != NULL) {
char *path, fullpath[MAXPATHLEN];
uint64_t wholedisk = 0ULL;
verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH,
&path) == 0);
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk) == 0);
(void) strlcpy(fullpath, path, sizeof (fullpath));
if (wholedisk) {
fullpath[strlen(fullpath) - 2] = '\0';
/*
* We need to reopen the pool associated with this
* device so that the kernel can update the size
* of the expanded device.
*/
(void) zpool_reopen(zhp);
}
if (zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
syseventd_print(9, "zfsdle_vdev_online: setting device"
" device %s to ONLINE state in pool %s.\n",
fullpath, zpool_get_name(zhp));
if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL)
(void) zpool_vdev_online(zhp, fullpath, 0,
&newstate);
}
zpool_close(zhp);
return (1);
}
zpool_close(zhp);
return (0);
}
/*
* This function handles the ESC_ZFS_config_sync event. It will iterate over
* the pools vdevs and to update the FRU property.
*/
int
zfs_deliver_sync(nvlist_t *nvl)
{
dev_data_t dd = { 0 };
char *pname;
zpool_handle_t *zhp;
nvlist_t *config, *vdev;
if (nvlist_lookup_string(nvl, "pool_name", &pname) != 0) {
syseventd_print(9, "zfs_deliver_sync: no pool name\n");
return (-1);
}
/*
* If this event was triggered by a pool export or destroy we cannot
* open the pool. This is not an error, just return 0 as we don't care
* about these events.
*/
zhp = zpool_open_canfail(g_zfshdl, pname);
if (zhp == NULL)
return (0);
config = zpool_get_config(zhp, NULL);
if (config == NULL) {
syseventd_print(9, "zfs_deliver_sync: "
"failed to get pool config for %s\n", pname);
zpool_close(zhp);
return (-1);
}
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &vdev) != 0) {
syseventd_print(0, "zfs_deliver_sync: "
"failed to get vdev tree for %s\n", pname);
zpool_close(zhp);
return (-1);
}
libzfs_fru_refresh(g_zfshdl);
dd.dd_func = zfs_sync_vdev_fru;
zfs_iter_vdev(zhp, vdev, &dd);
zpool_close(zhp);
return (0);
}
void
zfs_enable_ds(void *arg)
{
unavailpool_t *pool = (unavailpool_t *)arg;
(void) zpool_enable_datasets(pool->uap_zhp, NULL, 0);
zpool_close(pool->uap_zhp);
free(pool);
}
/*
* Remove the given pool from the list. When running iostat, we want to remove
* those pools that no longer exist.
*/
void
pool_list_remove(zpool_list_t *zlp, zpool_handle_t *zhp)
{
zpool_node_t search, *node;
search.zn_handle = zhp;
if ((node = uu_avl_find(zlp->zl_avl, &search, NULL, NULL)) != NULL) {
uu_avl_remove(zlp->zl_avl, node);
zpool_close(node->zn_handle);
free(node);
}
}
static int
find_pool(zpool_handle_t *zhp, void *data)
{
find_cbdata_t *cbp = data;
if (cbp->cb_guid == zpool_get_guid(zhp)) {
cbp->cb_zhp = zhp;
return (1);
}
zpool_close(zhp);
return (0);
}
/*
* Open a handle to the given pool, even if the pool is currently in the FAULTED
* state.
*/
zpool_handle_t *
zpool_open_canfail(libzfs_handle_t *hdl, const char *pool)
{
zpool_handle_t *zhp;
boolean_t missing;
/*
* Make sure the pool name is valid.
*/
if (!zpool_name_valid(hdl, B_TRUE, pool)) {
(void) zfs_error(hdl, EZFS_INVALIDNAME,
dgettext(TEXT_DOMAIN, "cannot open '%s'"),
pool);
return (NULL);
}
if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
return (NULL);
zhp->zpool_hdl = hdl;
(void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
if (zpool_refresh_stats(zhp, &missing) != 0) {
zpool_close(zhp);
return (NULL);
}
if (missing) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"no such pool"));
(void) zfs_error(hdl, EZFS_NOENT,
dgettext(TEXT_DOMAIN, "cannot open '%s'"),
pool);
zpool_close(zhp);
return (NULL);
}
return (zhp);
}
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);
}
static int
zfs_unavail_pool(zpool_handle_t *zhp, void *data)
{
if (zfs_toplevel_state(zhp) < VDEV_STATE_DEGRADED) {
unavailpool_t *uap;
uap = malloc(sizeof (unavailpool_t));
uap->uap_zhp = zhp;
list_insert_tail((list_t *)data, uap);
} else {
zpool_close(zhp);
}
return (0);
}
static void *
zfs_enable_ds(void *arg)
{
unavailpool_t *pool = (unavailpool_t *)arg;
assert(pool->uap_enable_tid = pthread_self());
(void) zpool_enable_datasets(pool->uap_zhp, NULL, 0);
zpool_close(pool->uap_zhp);
pool->uap_zhp = NULL;
/* Note: zfs_slm_fini() will cleanup this pool entry on exit */
return (NULL);
}
static int
find_pool(zpool_handle_t *zhp, void *data)
{
cbdata_t *cbp = data;
if (zpool_get_prop_int(zhp, ZPOOL_PROP_GUID, NULL) == cbp->cb_guid) {
cbp->cb_pool = zhp;
return (1);
}
zpool_close(zhp);
return (0);
}
static char *
find_root_device_from_libzfs (const char *dir)
{
char *device;
char *poolname;
char *poolfs;
grub_find_zpool_from_dir (dir, &poolname, &poolfs);
if (! poolname)
return NULL;
{
zpool_handle_t *zpool;
libzfs_handle_t *libzfs;
nvlist_t *nvlist;
nvlist_t **nvlist_array;
unsigned int nvlist_count;
libzfs = grub_get_libzfs_handle ();
if (! libzfs)
return NULL;
zpool = zpool_open (libzfs, poolname);
nvlist = zpool_get_config (zpool, NULL);
if (nvlist_lookup_nvlist (nvlist, "vdev_tree", &nvlist) != 0)
error (1, errno, "nvlist_lookup_nvlist (\"vdev_tree\")");
if (nvlist_lookup_nvlist_array (nvlist, "children", &nvlist_array, &nvlist_count) != 0)
error (1, errno, "nvlist_lookup_nvlist_array (\"children\")");
do
{
assert (nvlist_count > 0);
} while (nvlist_lookup_nvlist_array (nvlist_array[0], "children",
&nvlist_array, &nvlist_count) == 0);
if (nvlist_lookup_string (nvlist_array[0], "path", &device) != 0)
error (1, errno, "nvlist_lookup_string (\"path\")");
zpool_close (zpool);
}
free (poolname);
if (poolfs)
free (poolfs);
return device;
}
static int
zfs_iter_pool(zpool_handle_t *zhp, void *data)
{
nvlist_t *config, *nvl;
dev_data_t *dp = data;
uint64_t pool_guid;
unavailpool_t *pool;
zed_log_msg(LOG_INFO, "zfs_iter_pool: evaluating vdevs on %s (by %s)",
zpool_get_name(zhp), dp->dd_vdev_guid ? "GUID" : dp->dd_prop);
/*
* For each vdev in this pool, look for a match to apply dd_func
*/
if ((config = zpool_get_config(zhp, NULL)) != NULL) {
if (dp->dd_pool_guid == 0 ||
(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
&pool_guid) == 0 && pool_guid == dp->dd_pool_guid)) {
(void) nvlist_lookup_nvlist(config,
ZPOOL_CONFIG_VDEV_TREE, &nvl);
zfs_iter_vdev(zhp, nvl, data);
}
}
/*
* if this pool was originally unavailable,
* then enable its datasets asynchronously
*/
if (g_enumeration_done) {
for (pool = list_head(&g_pool_list); pool != NULL;
pool = list_next(&g_pool_list, pool)) {
if (pool->uap_enable_tid != 0)
continue; /* entry already processed */
if (strcmp(zpool_get_name(zhp),
zpool_get_name(pool->uap_zhp)))
continue;
if (zfs_toplevel_state(zhp) >= VDEV_STATE_DEGRADED) {
/* send to a background thread; keep on list */
(void) pthread_create(&pool->uap_enable_tid,
NULL, zfs_enable_ds, pool);
break;
}
}
}
zpool_close(zhp);
return (dp->dd_found); /* cease iteration after a match */
}
static int
zfs_unavail_pool(zpool_handle_t *zhp, void *data)
{
zed_log_msg(LOG_INFO, "zfs_unavail_pool: examining '%s' (state %d)",
zpool_get_name(zhp), (int)zfs_toplevel_state(zhp));
if (zfs_toplevel_state(zhp) < VDEV_STATE_DEGRADED) {
unavailpool_t *uap;
uap = malloc(sizeof (unavailpool_t));
uap->uap_zhp = zhp;
list_insert_tail((list_t *)data, uap);
} else {
zpool_close(zhp);
}
return (0);
}
/*
* Similar to zpool_open_canfail(), but refuses to open pools in the faulted
* state.
*/
zpool_handle_t *
zpool_open(libzfs_handle_t *hdl, const char *pool)
{
zpool_handle_t *zhp;
if ((zhp = zpool_open_canfail(hdl, pool)) == NULL)
return (NULL);
if (zhp->zpool_state == POOL_STATE_UNAVAIL) {
(void) zfs_error(hdl, EZFS_POOLUNAVAIL,
dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name);
zpool_close(zhp);
return (NULL);
}
return (zhp);
}
int lzwu_find_spare(zpool_handle_t *p_zpool, void *data)
{
spare_cbdata_t *cbp = (spare_cbdata_t*)data;
nvlist_t *config, *pnv_root;
config = zpool_get_config(p_zpool, NULL);
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&pnv_root) == 0);
if(lzwu_zpool_find_vdev(pnv_root, cbp->cb_guid))
{
cbp->cb_zhp = p_zpool;
return 1;
}
zpool_close(p_zpool);
return 0;
}
int
zpool_get_stats(zpool_handle_t * zhp, void * data) {
config_t * cnf = (config_t *)data;
uint_t c;
boolean_t missing;
nvlist_t * nv, * config;
vdev_stat_t * vs;
if (zpool_refresh_stats(zhp, &missing) != 0)
return 1;
config = zpool_get_config(zhp, NULL);
if (nvlist_lookup_nvlist(config,
ZPOOL_CONFIG_VDEV_TREE, &nv) != 0) {
return 1;
}
if (nvlist_lookup_uint64_array(nv,
ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &c) != 0) {
return 1;
}
if (!strcmp(zpool_get_name(zhp), cnf->zname)) {
cnf->zpool.read_ops = vs->vs_ops[ZIO_TYPE_READ];
cnf->zpool.write_ops = vs->vs_ops[ZIO_TYPE_WRITE];
cnf->zpool.read_bts = vs->vs_bytes[ZIO_TYPE_READ];
cnf->zpool.write_bts = vs->vs_bytes[ZIO_TYPE_WRITE];
cnf->zpool.alloc = vs->vs_alloc;
cnf->zpool.free = vs->vs_space - vs->vs_alloc;
cnf->zpool.health = zpool_get_health(zhp);
cnf->zpool.dedupratio = zpool_get_dedupratio(zhp);
cnf->zpool.name = zpool_get_poolname(zhp);
cnf->zpool.ddt_memory = get_dedup_stats(config);
}
zpool_close(zhp);
return 0;
}
/*
* Returns true if the named pool matches the given GUID.
*/
static int
pool_active(libzfs_handle_t *hdl, const char *name, uint64_t guid,
boolean_t *isactive)
{
zpool_handle_t *zhp;
uint64_t theguid;
if (zpool_open_silent(hdl, name, &zhp) != 0)
return (-1);
if (zhp == NULL) {
*isactive = B_FALSE;
return (0);
}
verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_POOL_GUID,
&theguid) == 0);
zpool_close(zhp);
*isactive = (theguid == guid);
return (0);
}
ssize_t
fmd_fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen)
{
uint64_t pool_guid, vdev_guid;
cbdata_t cb;
ssize_t len;
const char *name;
char guidbuf[64];
(void) nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_POOL, &pool_guid);
/*
* Attempt to convert the pool guid to a name.
*/
cb.cb_guid = pool_guid;
cb.cb_pool = NULL;
if (zpool_iter(g_zfs, find_pool, &cb) == 1) {
name = zpool_get_name(cb.cb_pool);
} else {
(void) snprintf(guidbuf, sizeof (guidbuf), "%llx", pool_guid);
name = guidbuf;
}
if (nvlist_lookup_uint64(nvl, FM_FMRI_ZFS_VDEV, &vdev_guid) == 0)
len = snprintf(buf, buflen, "%s://pool=%s/vdev=%llx",
FM_FMRI_SCHEME_ZFS, name, vdev_guid);
else
len = snprintf(buf, buflen, "%s://pool=%s",
FM_FMRI_SCHEME_ZFS, name);
if (cb.cb_pool)
zpool_close(cb.cb_pool);
return (len);
}
