static int namespace_reload(libzfs_handle_t *p_hdl)
{
nvlist_t *pnv_config;
nvpair_t *pnv_elem;
config_node_t *p_cn;
void *cookie;
if(p_hdl->libzfs_ns_gen == 0)
{
/*
* This is the first time we've accessed the configuration
* cache. Initialize the AVL tree and then fall through to the
* common code.
*/
if(!(p_hdl->libzfs_ns_avlpool =
uu_avl_pool_create("config_pool", sizeof (config_node_t),
offsetof(config_node_t, cn_avl),
config_node_compare, UU_DEFAULT)))
return -1;
if((p_hdl->libzfs_ns_avl =
uu_avl_create(p_hdl->libzfs_ns_avlpool, NULL, UU_DEFAULT)) == NULL)
return 1;
}
pnv_config = spa_all_configs(&p_hdl->libzfs_ns_gen);
if(!pnv_config)
return -1;
/*
* Clear out any existing configuration information.
*/
cookie = NULL;
while((p_cn = uu_avl_teardown(p_hdl->libzfs_ns_avl, &cookie)) != NULL)
{
nvlist_free(p_cn->cn_config);
free(p_cn->cn_name);
free(p_cn);
}
pnv_elem = NULL;
while((pnv_elem = nvlist_next_nvpair(pnv_config, pnv_elem)) != NULL)
{
nvlist_t *child;
uu_avl_index_t where;
if((p_cn = zfs_alloc(p_hdl, sizeof (config_node_t))) == NULL)
{
nvlist_free(pnv_config);
return -1;
}
if((p_cn->cn_name = zfs_strdup(p_hdl,
nvpair_name(pnv_elem))) == NULL) {
free(p_cn);
nvlist_free(pnv_config);
return -1;
}
verify(nvpair_value_nvlist(pnv_elem, &child) == 0);
if (nvlist_dup(child, &p_cn->cn_config, 0) != 0) {
free(p_cn->cn_name);
free(p_cn);
nvlist_free(pnv_config);
return -1;
}
verify(uu_avl_find(p_hdl->libzfs_ns_avl, p_cn, NULL, &where)
== NULL);
uu_avl_insert(p_hdl->libzfs_ns_avl, p_cn, where);
}
nvlist_free(pnv_config);
return 0;
}
/*
* Convert our list of pools into the definitive set of configurations. We
* start by picking the best config for each toplevel vdev. Once that's done,
* we assemble the toplevel vdevs into a full config for the pool. We make a
* pass to fix up any incorrect paths, and then add it to the main list to
* return to the user.
*/
static nvlist_t *
get_configs(libzfs_handle_t *hdl, pool_list_t *pl, boolean_t active_ok)
{
pool_entry_t *pe;
vdev_entry_t *ve;
config_entry_t *ce;
nvlist_t *ret = NULL, *config = NULL, *tmp, *nvtop, *nvroot;
nvlist_t **spares, **l2cache;
uint_t i, nspares, nl2cache;
boolean_t config_seen;
uint64_t best_txg;
char *name, *hostname;
uint64_t guid;
uint_t children = 0;
nvlist_t **child = NULL;
uint_t holes;
uint64_t *hole_array, max_id;
uint_t c;
boolean_t isactive;
uint64_t hostid;
nvlist_t *nvl;
boolean_t found_one = B_FALSE;
boolean_t valid_top_config = B_FALSE;
if (nvlist_alloc(&ret, 0, 0) != 0)
goto nomem;
for (pe = pl->pools; pe != NULL; pe = pe->pe_next) {
uint64_t id, max_txg = 0;
if (nvlist_alloc(&config, NV_UNIQUE_NAME, 0) != 0)
goto nomem;
config_seen = B_FALSE;
/*
* Iterate over all toplevel vdevs. Grab the pool configuration
* from the first one we find, and then go through the rest and
* add them as necessary to the 'vdevs' member of the config.
*/
for (ve = pe->pe_vdevs; ve != NULL; ve = ve->ve_next) {
/*
* Determine the best configuration for this vdev by
* selecting the config with the latest transaction
* group.
*/
best_txg = 0;
for (ce = ve->ve_configs; ce != NULL;
ce = ce->ce_next) {
if (ce->ce_txg > best_txg) {
tmp = ce->ce_config;
best_txg = ce->ce_txg;
}
}
/*
* We rely on the fact that the max txg for the
* pool will contain the most up-to-date information
* about the valid top-levels in the vdev namespace.
*/
if (best_txg > max_txg) {
(void) nvlist_remove(config,
ZPOOL_CONFIG_VDEV_CHILDREN,
DATA_TYPE_UINT64);
(void) nvlist_remove(config,
ZPOOL_CONFIG_HOLE_ARRAY,
DATA_TYPE_UINT64_ARRAY);
max_txg = best_txg;
hole_array = NULL;
holes = 0;
max_id = 0;
valid_top_config = B_FALSE;
if (nvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_VDEV_CHILDREN, &max_id) == 0) {
verify(nvlist_add_uint64(config,
ZPOOL_CONFIG_VDEV_CHILDREN,
max_id) == 0);
valid_top_config = B_TRUE;
}
if (nvlist_lookup_uint64_array(tmp,
ZPOOL_CONFIG_HOLE_ARRAY, &hole_array,
&holes) == 0) {
verify(nvlist_add_uint64_array(config,
ZPOOL_CONFIG_HOLE_ARRAY,
hole_array, holes) == 0);
}
}
if (!config_seen) {
/*
* Copy the relevant pieces of data to the pool
* configuration:
*
* version
* pool guid
* name
* pool txg (if available)
* comment (if available)
* pool state
* hostid (if available)
* hostname (if available)
*/
uint64_t state, version, pool_txg;
char *comment = NULL;
version = fnvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_VERSION);
fnvlist_add_uint64(config,
ZPOOL_CONFIG_VERSION, version);
guid = fnvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_POOL_GUID);
fnvlist_add_uint64(config,
ZPOOL_CONFIG_POOL_GUID, guid);
name = fnvlist_lookup_string(tmp,
ZPOOL_CONFIG_POOL_NAME);
fnvlist_add_string(config,
ZPOOL_CONFIG_POOL_NAME, name);
if (nvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_POOL_TXG, &pool_txg) == 0)
fnvlist_add_uint64(config,
ZPOOL_CONFIG_POOL_TXG, pool_txg);
if (nvlist_lookup_string(tmp,
ZPOOL_CONFIG_COMMENT, &comment) == 0)
fnvlist_add_string(config,
ZPOOL_CONFIG_COMMENT, comment);
state = fnvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_POOL_STATE);
fnvlist_add_uint64(config,
ZPOOL_CONFIG_POOL_STATE, state);
hostid = 0;
if (nvlist_lookup_uint64(tmp,
ZPOOL_CONFIG_HOSTID, &hostid) == 0) {
fnvlist_add_uint64(config,
ZPOOL_CONFIG_HOSTID, hostid);
hostname = fnvlist_lookup_string(tmp,
ZPOOL_CONFIG_HOSTNAME);
fnvlist_add_string(config,
ZPOOL_CONFIG_HOSTNAME, hostname);
}
config_seen = B_TRUE;
}
/*
* Add this top-level vdev to the child array.
*/
verify(nvlist_lookup_nvlist(tmp,
ZPOOL_CONFIG_VDEV_TREE, &nvtop) == 0);
verify(nvlist_lookup_uint64(nvtop, ZPOOL_CONFIG_ID,
&id) == 0);
if (id >= children) {
nvlist_t **newchild;
newchild = zfs_alloc(hdl, (id + 1) *
sizeof (nvlist_t *));
if (newchild == NULL)
goto nomem;
for (c = 0; c < children; c++)
newchild[c] = child[c];
free(child);
child = newchild;
children = id + 1;
}
if (nvlist_dup(nvtop, &child[id], 0) != 0)
goto nomem;
}
/*
* If we have information about all the top-levels then
* clean up the nvlist which we've constructed. This
* means removing any extraneous devices that are
* beyond the valid range or adding devices to the end
* of our array which appear to be missing.
*/
if (valid_top_config) {
if (max_id < children) {
for (c = max_id; c < children; c++)
nvlist_free(child[c]);
children = max_id;
} else if (max_id > children) {
nvlist_t **newchild;
newchild = zfs_alloc(hdl, (max_id) *
sizeof (nvlist_t *));
if (newchild == NULL)
goto nomem;
for (c = 0; c < children; c++)
newchild[c] = child[c];
free(child);
child = newchild;
children = max_id;
}
}
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
&guid) == 0);
/*
* The vdev namespace may contain holes as a result of
* device removal. We must add them back into the vdev
* tree before we process any missing devices.
*/
if (holes > 0) {
ASSERT(valid_top_config);
for (c = 0; c < children; c++) {
nvlist_t *holey;
if (child[c] != NULL ||
!vdev_is_hole(hole_array, holes, c))
continue;
if (nvlist_alloc(&holey, NV_UNIQUE_NAME,
0) != 0)
goto nomem;
/*
* Holes in the namespace are treated as
* "hole" top-level vdevs and have a
* special flag set on them.
*/
if (nvlist_add_string(holey,
ZPOOL_CONFIG_TYPE,
VDEV_TYPE_HOLE) != 0 ||
nvlist_add_uint64(holey,
ZPOOL_CONFIG_ID, c) != 0 ||
nvlist_add_uint64(holey,
ZPOOL_CONFIG_GUID, 0ULL) != 0)
goto nomem;
child[c] = holey;
}
}
/*
* Look for any missing top-level vdevs. If this is the case,
* create a faked up 'missing' vdev as a placeholder. We cannot
* simply compress the child array, because the kernel performs
* certain checks to make sure the vdev IDs match their location
* in the configuration.
*/
for (c = 0; c < children; c++) {
if (child[c] == NULL) {
nvlist_t *missing;
if (nvlist_alloc(&missing, NV_UNIQUE_NAME,
0) != 0)
goto nomem;
if (nvlist_add_string(missing,
ZPOOL_CONFIG_TYPE,
VDEV_TYPE_MISSING) != 0 ||
nvlist_add_uint64(missing,
ZPOOL_CONFIG_ID, c) != 0 ||
nvlist_add_uint64(missing,
ZPOOL_CONFIG_GUID, 0ULL) != 0) {
nvlist_free(missing);
goto nomem;
}
child[c] = missing;
}
}
/*
* Put all of this pool's top-level vdevs into a root vdev.
*/
if (nvlist_alloc(&nvroot, NV_UNIQUE_NAME, 0) != 0)
goto nomem;
if (nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE,
VDEV_TYPE_ROOT) != 0 ||
nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) != 0 ||
nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, guid) != 0 ||
nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
child, children) != 0) {
nvlist_free(nvroot);
goto nomem;
}
for (c = 0; c < children; c++)
nvlist_free(child[c]);
free(child);
children = 0;
child = NULL;
/*
* Go through and fix up any paths and/or devids based on our
* known list of vdev GUID -> path mappings.
*/
if (fix_paths(nvroot, pl->names) != 0) {
nvlist_free(nvroot);
goto nomem;
}
/*
* Add the root vdev to this pool's configuration.
*/
if (nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
nvroot) != 0) {
nvlist_free(nvroot);
goto nomem;
}
nvlist_free(nvroot);
/*
* zdb uses this path to report on active pools that were
* imported or created using -R.
*/
if (active_ok)
goto add_pool;
/*
* Determine if this pool is currently active, in which case we
* can't actually import it.
*/
verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
&name) == 0);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
&guid) == 0);
if (pool_active(hdl, name, guid, &isactive) != 0)
goto error;
if (isactive) {
nvlist_free(config);
config = NULL;
continue;
}
if ((nvl = refresh_config(hdl, config)) == NULL) {
nvlist_free(config);
config = NULL;
continue;
}
nvlist_free(config);
config = nvl;
/*
* Go through and update the paths for spares, now that we have
* them.
*/
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
&spares, &nspares) == 0) {
for (i = 0; i < nspares; i++) {
if (fix_paths(spares[i], pl->names) != 0)
goto nomem;
}
}
/*
* Update the paths for l2cache devices.
*/
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
&l2cache, &nl2cache) == 0) {
for (i = 0; i < nl2cache; i++) {
if (fix_paths(l2cache[i], pl->names) != 0)
goto nomem;
}
}
/*
* Restore the original information read from the actual label.
*/
(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTID,
DATA_TYPE_UINT64);
(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTNAME,
DATA_TYPE_STRING);
if (hostid != 0) {
verify(nvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID,
hostid) == 0);
verify(nvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME,
hostname) == 0);
}
add_pool:
/*
* Add this pool to the list of configs.
*/
verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
&name) == 0);
if (nvlist_add_nvlist(ret, name, config) != 0)
goto nomem;
found_one = B_TRUE;
nvlist_free(config);
config = NULL;
}
if (!found_one) {
nvlist_free(ret);
ret = NULL;
}
return (ret);
nomem:
(void) no_memory(hdl);
error:
nvlist_free(config);
nvlist_free(ret);
for (c = 0; c < children; c++)
nvlist_free(child[c]);
free(child);
return (NULL);
}
/*
* Take a snapshot of the current state of processor sets and CPUs,
* pack it in the exacct format, and attach it to specified exacct record.
*/
int
pool_pset_pack(ea_object_t *eo_system)
{
ea_object_t *eo_pset, *eo_cpu;
cpupart_t *cpupart;
psetid_t mypsetid;
pool_pset_t *pset;
nvlist_t *nvl;
size_t bufsz;
cpu_t *cpu;
char *buf;
int ncpu;
ASSERT(pool_lock_held());
mutex_enter(&cpu_lock);
mypsetid = zone_pset_get(curproc->p_zone);
for (pset = list_head(&pool_pset_list); pset;
pset = list_next(&pool_pset_list, pset)) {
psetid_t psetid = pset->pset_id;
if (!INGLOBALZONE(curproc) && mypsetid != psetid)
continue;
cpupart = cpupart_find(psetid);
ASSERT(cpupart != NULL);
eo_pset = ea_alloc_group(EXT_GROUP |
EXC_LOCAL | EXD_GROUP_PSET);
(void) ea_attach_item(eo_pset, &psetid, sizeof (id_t),
EXC_LOCAL | EXD_PSET_PSETID | EXT_UINT32);
/*
* Pack info for all CPUs in this processor set.
*/
ncpu = 0;
cpu = cpu_list;
do {
if (cpu->cpu_part != cpupart) /* not our pset */
continue;
ncpu++;
eo_cpu = ea_alloc_group(EXT_GROUP
| EXC_LOCAL | EXD_GROUP_CPU);
(void) ea_attach_item(eo_cpu, &cpu->cpu_id,
sizeof (processorid_t),
EXC_LOCAL | EXD_CPU_CPUID | EXT_UINT32);
if (cpu->cpu_props == NULL) {
(void) nvlist_alloc(&cpu->cpu_props,
NV_UNIQUE_NAME, KM_SLEEP);
(void) nvlist_add_string(cpu->cpu_props,
"cpu.comment", "");
}
(void) nvlist_dup(cpu->cpu_props, &nvl, KM_SLEEP);
(void) nvlist_add_int64(nvl, "cpu.sys_id", cpu->cpu_id);
(void) nvlist_add_string(nvl, "cpu.status",
(char *)cpu_get_state_str(cpu));
buf = NULL;
bufsz = 0;
(void) nvlist_pack(nvl, &buf, &bufsz,
NV_ENCODE_NATIVE, 0);
(void) ea_attach_item(eo_cpu, buf, bufsz,
EXC_LOCAL | EXD_CPU_PROP | EXT_RAW);
(void) nvlist_free(nvl);
kmem_free(buf, bufsz);
(void) ea_attach_to_group(eo_pset, eo_cpu);
} while ((cpu = cpu->cpu_next) != cpu_list);
(void) nvlist_dup(pset->pset_props, &nvl, KM_SLEEP);
(void) nvlist_add_uint64(nvl, "pset.size", ncpu);
(void) nvlist_add_uint64(nvl, "pset.load",
(uint64_t)PSET_LOAD(cpupart->cp_hp_avenrun[0]));
buf = NULL;
bufsz = 0;
(void) nvlist_pack(nvl, &buf, &bufsz, NV_ENCODE_NATIVE, 0);
(void) ea_attach_item(eo_pset, buf, bufsz,
EXC_LOCAL | EXD_PSET_PROP | EXT_RAW);
(void) nvlist_free(nvl);
kmem_free(buf, bufsz);
(void) ea_attach_to_group(eo_system, eo_pset);
}
mutex_exit(&cpu_lock);
return (0);
}
/*
* Loads the pool namespace, or re-loads it if the cache has changed.
*/
static int
namespace_reload(libzfs_handle_t *hdl)
{
nvlist_t *config;
config_node_t *cn;
nvpair_t *elem;
zfs_cmd_t zc = {"\0"};
void *cookie;
if (hdl->libzfs_ns_gen == 0) {
/*
* This is the first time we've accessed the configuration
* cache. Initialize the AVL tree and then fall through to the
* common code.
*/
if ((hdl->libzfs_ns_avlpool = uu_avl_pool_create("config_pool",
sizeof (config_node_t),
offsetof(config_node_t, cn_avl),
config_node_compare, UU_DEFAULT)) == NULL)
return (no_memory(hdl));
if ((hdl->libzfs_ns_avl = uu_avl_create(hdl->libzfs_ns_avlpool,
NULL, UU_DEFAULT)) == NULL)
return (no_memory(hdl));
}
if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0)
return (-1);
for (;;) {
zc.zc_cookie = hdl->libzfs_ns_gen;
if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_CONFIGS, &zc) != 0) {
switch (errno) {
case EEXIST:
/*
* The namespace hasn't changed.
*/
zcmd_free_nvlists(&zc);
return (0);
case ENOMEM:
if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) {
zcmd_free_nvlists(&zc);
return (-1);
}
break;
default:
zcmd_free_nvlists(&zc);
return (zfs_standard_error(hdl, errno,
dgettext(TEXT_DOMAIN, "failed to read "
"pool configuration")));
}
} else {
hdl->libzfs_ns_gen = zc.zc_cookie;
break;
}
}
if (zcmd_read_dst_nvlist(hdl, &zc, &config) != 0) {
zcmd_free_nvlists(&zc);
return (-1);
}
zcmd_free_nvlists(&zc);
/*
* Clear out any existing configuration information.
*/
cookie = NULL;
while ((cn = uu_avl_teardown(hdl->libzfs_ns_avl, &cookie)) != NULL) {
nvlist_free(cn->cn_config);
free(cn->cn_name);
free(cn);
}
elem = NULL;
while ((elem = nvlist_next_nvpair(config, elem)) != NULL) {
nvlist_t *child;
uu_avl_index_t where;
if ((cn = zfs_alloc(hdl, sizeof (config_node_t))) == NULL) {
nvlist_free(config);
return (-1);
}
if ((cn->cn_name = zfs_strdup(hdl,
nvpair_name(elem))) == NULL) {
free(cn);
nvlist_free(config);
return (-1);
}
verify(nvpair_value_nvlist(elem, &child) == 0);
if (nvlist_dup(child, &cn->cn_config, 0) != 0) {
free(cn->cn_name);
free(cn);
nvlist_free(config);
return (no_memory(hdl));
}
verify(uu_avl_find(hdl->libzfs_ns_avl, cn, NULL, &where)
== NULL);
uu_avl_insert(hdl->libzfs_ns_avl, cn, where);
}
nvlist_free(config);
return (0);
}
/*
* Called when the module is first loaded, this routine loads the configuration
* file into the SPA namespace. It does not actually open or load the pools; it
* only populates the namespace.
*/
void
spa_config_load(void)
{
void *buf = NULL;
nvlist_t *nvlist, *child;
nvpair_t *nvpair;
spa_t *spa;
char *pathname;
struct _buf *file;
uint64_t fsize;
/*
* Open the configuration file.
*/
pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
(void) snprintf(pathname, MAXPATHLEN, "%s%s",
(rootdir != NULL) ? "./" : "", spa_config_path);
file = kobj_open_file(pathname);
kmem_free(pathname, MAXPATHLEN);
if (file == (struct _buf *)-1)
return;
if (kobj_get_filesize(file, &fsize) != 0)
goto out;
buf = kmem_alloc(fsize, KM_SLEEP);
/*
* Read the nvlist from the file.
*/
if (kobj_read_file(file, buf, fsize, 0) < 0)
goto out;
/*
* Unpack the nvlist.
*/
if (nvlist_unpack(buf, fsize, &nvlist, KM_SLEEP) != 0)
goto out;
/*
* Iterate over all elements in the nvlist, creating a new spa_t for
* each one with the specified configuration.
*/
mutex_enter(&spa_namespace_lock);
nvpair = NULL;
while ((nvpair = nvlist_next_nvpair(nvlist, nvpair)) != NULL) {
if (nvpair_type(nvpair) != DATA_TYPE_NVLIST)
continue;
VERIFY(nvpair_value_nvlist(nvpair, &child) == 0);
if (spa_lookup(nvpair_name(nvpair)) != NULL)
continue;
spa = spa_add(nvpair_name(nvpair), NULL);
/*
* We blindly duplicate the configuration here. If it's
* invalid, we will catch it when the pool is first opened.
*/
VERIFY(nvlist_dup(child, &spa->spa_config, 0) == 0);
}
mutex_exit(&spa_namespace_lock);
nvlist_free(nvlist);
out:
if (buf != NULL)
kmem_free(buf, fsize);
kobj_close_file(file);
}
/*
* Function: it_tgt_setprop()
*
* Validate the provided property list and set the properties for
* the specified target. If errlist is not NULL, returns detailed
* errors for each property that failed. The format for errorlist
* is key = property, value = error string.
*
* Parameters:
*
* cfg The current iSCSI configuration obtained from
* it_config_load()
* tgt Pointer to an iSCSI target structure
* proplist nvlist_t containing properties for this target.
* errlist (optional) nvlist_t of errors encountered when
* validating the properties.
*
* Return Values:
* 0 Success
* EINVAL Invalid property
*
*/
int
it_tgt_setprop(it_config_t *cfg, it_tgt_t *tgt, nvlist_t *proplist,
nvlist_t **errlist)
{
int ret;
nvlist_t *errs = NULL;
nvlist_t *tprops = NULL;
char *val = NULL;
if (!cfg || !tgt || !proplist) {
return (EINVAL);
}
/* verify the target name in case the target node is renamed */
if (!validate_iscsi_name(tgt->tgt_name)) {
return (EINVAL);
}
canonical_iscsi_name(tgt->tgt_name);
if (errlist) {
(void) nvlist_alloc(&errs, 0, 0);
*errlist = errs;
}
/*
* copy the existing properties, merge, then validate
* the merged properties before committing them.
*/
if (tgt->tgt_properties) {
ret = nvlist_dup(tgt->tgt_properties, &tprops, 0);
} else {
ret = nvlist_alloc(&tprops, NV_UNIQUE_NAME, 0);
}
if (ret != 0) {
return (ret);
}
ret = nvlist_merge(tprops, proplist, 0);
if (ret != 0) {
nvlist_free(tprops);
return (ret);
}
/* unset chap username or alias if requested */
val = NULL;
(void) nvlist_lookup_string(proplist, PROP_TARGET_CHAP_USER, &val);
if (val && (strcasecmp(val, "none") == 0)) {
(void) nvlist_remove_all(tprops, PROP_TARGET_CHAP_USER);
}
val = NULL;
(void) nvlist_lookup_string(proplist, PROP_ALIAS, &val);
if (val && (strcasecmp(val, "none") == 0)) {
(void) nvlist_remove_all(tprops, PROP_ALIAS);
}
/* base64 encode the CHAP secret, if it's changed */
val = NULL;
(void) nvlist_lookup_string(proplist, PROP_TARGET_CHAP_SECRET, &val);
if (val) {
char bsecret[MAX_BASE64_LEN];
ret = it_val_pass(PROP_TARGET_CHAP_SECRET, val, errs);
if (ret == 0) {
(void) memset(bsecret, 0, MAX_BASE64_LEN);
ret = iscsi_binary_to_base64_str((uint8_t *)val,
strlen(val), bsecret, MAX_BASE64_LEN);
if (ret == 0) {
/* replace the value in the nvlist */
ret = nvlist_add_string(tprops,
PROP_TARGET_CHAP_SECRET, bsecret);
}
}
}
if (ret == 0) {
ret = it_validate_tgtprops(tprops, errs);
}
if (ret != 0) {
if (tprops) {
nvlist_free(tprops);
}
return (ret);
}
if (tgt->tgt_properties) {
nvlist_free(tgt->tgt_properties);
}
tgt->tgt_properties = tprops;
free_empty_errlist(errlist);
return (0);
}
/*
* Function: it_config_setprop()
*
* Validate the provided property list and set the global properties
* for iSCSI Target. If errlist is not NULL, returns detailed
* errors for each property that failed. The format for errorlist
* is key = property, value = error string.
*
* Parameters:
*
* cfg The current iSCSI configuration obtained from
* it_config_load()
* proplist nvlist_t containing properties for this target.
* errlist (optional) nvlist_t of errors encountered when
* validating the properties.
*
* Return Values:
* 0 Success
* EINVAL Invalid property
*
*/
int
it_config_setprop(it_config_t *cfg, nvlist_t *proplist, nvlist_t **errlist)
{
int ret;
nvlist_t *errs = NULL;
it_portal_t *isns = NULL;
it_portal_t *pnext = NULL;
it_portal_t *newisnslist = NULL;
char **arr;
uint32_t count;
uint32_t newcount;
nvlist_t *cprops = NULL;
char *val = NULL;
if (!cfg || !proplist) {
return (EINVAL);
}
if (errlist) {
(void) nvlist_alloc(&errs, 0, 0);
*errlist = errs;
}
/*
* copy the existing properties, merge, then validate
* the merged properties before committing them.
*/
if (cfg->config_global_properties) {
ret = nvlist_dup(cfg->config_global_properties, &cprops, 0);
} else {
ret = nvlist_alloc(&cprops, NV_UNIQUE_NAME, 0);
}
if (ret != 0) {
return (ret);
}
ret = nvlist_merge(cprops, proplist, 0);
if (ret != 0) {
nvlist_free(cprops);
return (ret);
}
/*
* base64 encode the radius secret, if it's changed.
*/
val = NULL;
(void) nvlist_lookup_string(proplist, PROP_RADIUS_SECRET, &val);
if (val) {
char bsecret[MAX_BASE64_LEN];
ret = it_val_pass(PROP_RADIUS_SECRET, val, errs);
if (ret == 0) {
(void) memset(bsecret, 0, MAX_BASE64_LEN);
ret = iscsi_binary_to_base64_str((uint8_t *)val,
strlen(val), bsecret, MAX_BASE64_LEN);
if (ret == 0) {
/* replace the value in the nvlist */
ret = nvlist_add_string(cprops,
PROP_RADIUS_SECRET, bsecret);
}
}
}
if (ret != 0) {
nvlist_free(cprops);
return (ret);
}
/* see if we need to remove the radius server setting */
val = NULL;
(void) nvlist_lookup_string(cprops, PROP_RADIUS_SERVER, &val);
if (val && (strcasecmp(val, "none") == 0)) {
(void) nvlist_remove_all(cprops, PROP_RADIUS_SERVER);
}
/* and/or remove the alias */
val = NULL;
(void) nvlist_lookup_string(cprops, PROP_ALIAS, &val);
if (val && (strcasecmp(val, "none") == 0)) {
(void) nvlist_remove_all(cprops, PROP_ALIAS);
}
ret = it_validate_configprops(cprops, errs);
if (ret != 0) {
if (cprops) {
nvlist_free(cprops);
}
return (ret);
}
/*
* Update iSNS server list, if exists in provided property list.
*/
ret = nvlist_lookup_string_array(proplist, PROP_ISNS_SERVER,
&arr, &count);
if (ret == 0) {
/* special case: if "none", remove all defined */
if (strcasecmp(arr[0], "none") != 0) {
ret = it_array_to_portallist(arr, count,
ISNS_DEFAULT_SERVER_PORT, &newisnslist, &newcount);
} else {
newisnslist = NULL;
newcount = 0;
(void) nvlist_remove_all(cprops, PROP_ISNS_SERVER);
}
if (ret == 0) {
isns = cfg->config_isns_svr_list;
while (isns) {
pnext = isns->portal_next;
free(isns);
isns = pnext;
}
cfg->config_isns_svr_list = newisnslist;
cfg->config_isns_svr_count = newcount;
/*
* Replace the array in the nvlist to ensure
* duplicates are properly removed & port numbers
* are added.
*/
if (newcount > 0) {
int i = 0;
char **newarray;
newarray = malloc(sizeof (char *) * newcount);
if (newarray == NULL) {
ret = ENOMEM;
} else {
for (isns = newisnslist; isns != NULL;
isns = isns->portal_next) {
(void) sockaddr_to_str(
&(isns->portal_addr),
&(newarray[i++]));
}
(void) nvlist_add_string_array(cprops,
PROP_ISNS_SERVER, newarray,
newcount);
for (i = 0; i < newcount; i++) {
if (newarray[i]) {
free(newarray[i]);
}
}
free(newarray);
}
}
}
} else if (ret == ENOENT) {
/* not an error */
ret = 0;
}
if (ret == 0) {
/* replace the global properties list */
nvlist_free(cfg->config_global_properties);
cfg->config_global_properties = cprops;
} else {
if (cprops) {
nvlist_free(cprops);
}
}
if (ret == 0)
free_empty_errlist(errlist);
return (ret);
}
/*
* Function: it_ini_setprop()
*
* Validate the provided property list and set the initiator properties.
* If errlist is not NULL, returns detailed errors for each property
* that failed. The format for errorlist is key = property,
* value = error string.
*
* Parameters:
*
* ini The initiator being updated.
* proplist nvlist_t containing properties for this target.
* errlist (optional) nvlist_t of errors encountered when
* validating the properties.
*
* Return Values:
* 0 Success
* EINVAL Invalid property
*
*/
int
it_ini_setprop(it_ini_t *ini, nvlist_t *proplist, nvlist_t **errlist)
{
int ret;
nvlist_t *errs = NULL;
nvlist_t *iprops = NULL;
char *val = NULL;
if (!ini || !proplist) {
return (EINVAL);
}
if (errlist) {
(void) nvlist_alloc(&errs, 0, 0);
*errlist = errs;
}
/*
* copy the existing properties, merge, then validate
* the merged properties before committing them.
*/
if (ini->ini_properties) {
ret = nvlist_dup(ini->ini_properties, &iprops, 0);
} else {
ret = nvlist_alloc(&iprops, NV_UNIQUE_NAME, 0);
}
if (ret != 0) {
return (ret);
}
ret = nvlist_merge(iprops, proplist, 0);
if (ret != 0) {
nvlist_free(iprops);
return (ret);
}
/* unset chap username if requested */
if ((nvlist_lookup_string(proplist, PROP_CHAP_USER, &val)) == 0) {
if (strcasecmp(val, "none") == 0) {
(void) nvlist_remove_all(iprops, PROP_CHAP_USER);
}
}
/* base64 encode the CHAP secret, if it's changed */
if ((nvlist_lookup_string(proplist, PROP_CHAP_SECRET, &val)) == 0) {
char bsecret[MAX_BASE64_LEN];
ret = it_val_pass(PROP_CHAP_SECRET, val, errs);
if (ret == 0) {
(void) memset(bsecret, 0, MAX_BASE64_LEN);
ret = iscsi_binary_to_base64_str((uint8_t *)val,
strlen(val), bsecret, MAX_BASE64_LEN);
if (ret == 0) {
/* replace the value in the nvlist */
ret = nvlist_add_string(iprops,
PROP_CHAP_SECRET, bsecret);
}
}
}
if (ret == 0) {
ret = it_validate_iniprops(iprops, errs);
}
if (ret != 0) {
if (iprops) {
nvlist_free(iprops);
}
return (ret);
}
if (ini->ini_properties) {
nvlist_free(ini->ini_properties);
}
ini->ini_properties = iprops;
free_empty_errlist(errlist);
return (0);
}
/*ARGSUSED*/
int
cma_page_retire(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t *asru,
const char *uuid, boolean_t repair)
{
cma_page_t *page;
uint64_t pageaddr;
const char *action = repair ? "unretire" : "retire";
int rc;
nvlist_t *rsrc = NULL, *asrucp = NULL, *hcsp;
(void) nvlist_lookup_nvlist(nvl, FM_FAULT_RESOURCE, &rsrc);
if (nvlist_dup(asru, &asrucp, 0) != 0) {
fmd_hdl_debug(hdl, "page retire nvlist dup failed\n");
return (CMA_RA_FAILURE);
}
/* It should already be expanded, but we'll do it again anyway */
if (fmd_nvl_fmri_expand(hdl, asrucp) < 0) {
fmd_hdl_debug(hdl, "failed to expand page asru\n");
cma_stats.bad_flts.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_FAILURE);
}
if (!repair && !fmd_nvl_fmri_present(hdl, asrucp)) {
fmd_hdl_debug(hdl, "page retire overtaken by events\n");
cma_stats.page_nonent.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_SUCCESS);
}
/* Figure out physaddr from resource or asru */
if (rsrc == NULL ||
nvlist_lookup_nvlist(rsrc, FM_FMRI_HC_SPECIFIC, &hcsp) != 0 ||
(nvlist_lookup_uint64(hcsp, "asru-" FM_FMRI_HC_SPECIFIC_PHYSADDR,
&pageaddr) != 0 && nvlist_lookup_uint64(hcsp,
FM_FMRI_HC_SPECIFIC_PHYSADDR, &pageaddr) != 0)) {
if (nvlist_lookup_uint64(asrucp, FM_FMRI_MEM_PHYSADDR,
&pageaddr) != 0) {
fmd_hdl_debug(hdl, "mem fault missing 'physaddr'\n");
cma_stats.bad_flts.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_FAILURE);
}
}
if (repair) {
if (!cma.cma_page_dounretire) {
fmd_hdl_debug(hdl, "suppressed unretire of page %llx\n",
(u_longlong_t)pageaddr);
cma_stats.page_supp.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_SUCCESS);
}
/* If unretire via topo fails, we fall back to legacy way */
if (rsrc == NULL || (rc = fmd_nvl_fmri_unretire(hdl, rsrc)) < 0)
rc = cma_fmri_page_unretire(hdl, asrucp);
} else {
if (!cma.cma_page_doretire) {
fmd_hdl_debug(hdl, "suppressed retire of page %llx\n",
(u_longlong_t)pageaddr);
cma_stats.page_supp.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_FAILURE);
}
/* If retire via topo fails, we fall back to legacy way */
if (rsrc == NULL || (rc = fmd_nvl_fmri_retire(hdl, rsrc)) < 0)
rc = cma_fmri_page_retire(hdl, asrucp);
}
if (rc == FMD_AGENT_RETIRE_DONE) {
fmd_hdl_debug(hdl, "%sd page 0x%llx\n",
action, (u_longlong_t)pageaddr);
if (repair)
cma_stats.page_repairs.fmds_value.ui64++;
else
cma_stats.page_flts.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_SUCCESS);
} else if (repair || rc != FMD_AGENT_RETIRE_ASYNC) {
fmd_hdl_debug(hdl, "%s of page 0x%llx failed, will not "
"retry: %s\n", action, (u_longlong_t)pageaddr,
strerror(errno));
cma_stats.page_fails.fmds_value.ui64++;
nvlist_free(asrucp);
return (CMA_RA_FAILURE);
}
/*
* The page didn't immediately retire. We'll need to periodically
* check to see if it has been retired.
*/
fmd_hdl_debug(hdl, "page didn't retire - sleeping\n");
page = fmd_hdl_zalloc(hdl, sizeof (cma_page_t), FMD_SLEEP);
page->pg_addr = pageaddr;
if (rsrc != NULL)
(void) nvlist_dup(rsrc, &page->pg_rsrc, 0);
page->pg_asru = asrucp;
if (uuid != NULL)
page->pg_uuid = fmd_hdl_strdup(hdl, uuid, FMD_SLEEP);
page->pg_next = cma.cma_pages;
cma.cma_pages = page;
if (cma.cma_page_timerid != 0)
fmd_timer_remove(hdl, cma.cma_page_timerid);
cma.cma_page_curdelay = cma.cma_page_mindelay;
cma.cma_page_timerid =
fmd_timer_install(hdl, NULL, NULL, cma.cma_page_curdelay);
/* Don't free asrucp here. This FMRI will be needed for retry. */
return (CMA_RA_FAILURE);
}
