*/
typedef struct find_cbdata {
uint64_t cb_guid;
- const char *cb_fru;
zpool_handle_t *cb_zhp;
nvlist_t *cb_vdev;
} find_cbdata_t;
* Find a vdev within a tree with a matching GUID.
*/
static nvlist_t *
-find_vdev(libzfs_handle_t *zhdl, nvlist_t *nv, const char *search_fru,
- uint64_t search_guid)
+find_vdev(libzfs_handle_t *zhdl, nvlist_t *nv, uint64_t search_guid)
{
uint64_t guid;
nvlist_t **child;
uint_t c, children;
nvlist_t *ret;
- char *fru;
-
- if (search_fru != NULL) {
- if (nvlist_lookup_string(nv, ZPOOL_CONFIG_FRU, &fru) == 0 &&
- libzfs_fru_compare(zhdl, fru, search_fru))
- return (nv);
- } else {
- if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
- guid == search_guid) {
- fmd_hdl_debug(fmd_module_hdl("zfs-retire"),
- "matched vdev %llu", guid);
- return (nv);
- }
+
+ if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
+ guid == search_guid) {
+ fmd_hdl_debug(fmd_module_hdl("zfs-retire"),
+ "matched vdev %llu", guid);
+ return (nv);
}
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
return (NULL);
for (c = 0; c < children; c++) {
- if ((ret = find_vdev(zhdl, child[c], search_fru,
- search_guid)) != NULL)
+ if ((ret = find_vdev(zhdl, child[c], search_guid)) != NULL)
return (ret);
}
return (NULL);
for (c = 0; c < children; c++) {
- if ((ret = find_vdev(zhdl, child[c], search_fru,
- search_guid)) != NULL)
+ if ((ret = find_vdev(zhdl, child[c], search_guid)) != NULL)
return (ret);
}
}
if (vdev_guid != 0) {
- if ((*vdevp = find_vdev(zhdl, nvroot, NULL,
- vdev_guid)) == NULL) {
+ if ((*vdevp = find_vdev(zhdl, nvroot, vdev_guid)) == NULL) {
zpool_close(zhp);
return (NULL);
}
return (zhp);
}
-#ifdef HAVE_LIBTOPO
-static int
-search_pool(zpool_handle_t *zhp, void *data)
-{
- find_cbdata_t *cbp = data;
- nvlist_t *config;
- nvlist_t *nvroot;
-
- config = zpool_get_config(zhp, NULL);
- if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) != 0) {
- zpool_close(zhp);
- return (0);
- }
-
- if ((cbp->cb_vdev = find_vdev(zpool_get_handle(zhp), nvroot,
- cbp->cb_fru, 0)) != NULL) {
- cbp->cb_zhp = zhp;
- return (1);
- }
-
- zpool_close(zhp);
- return (0);
-}
-
-/*
- * Given a FRU FMRI, find the matching pool and vdev.
- */
-static zpool_handle_t *
-find_by_fru(libzfs_handle_t *zhdl, const char *fru, nvlist_t **vdevp)
-{
- find_cbdata_t cb;
-
- cb.cb_fru = fru;
- cb.cb_zhp = NULL;
- if (zpool_iter(zhdl, search_pool, &cb) != 1)
- return (NULL);
-
- *vdevp = cb.cb_vdev;
- return (cb.cb_zhp);
-}
-#endif /* HAVE_LIBTOPO */
-
/*
* Given a vdev, attempt to replace it with every known spare until one
* succeeds.
zfs_retire_data_t *zdp = fmd_hdl_getspecific(hdl);
zfs_retire_repaired_t *zrp;
uint64_t pool_guid, vdev_guid;
-#ifdef HAVE_LIBTOPO
- nvlist_t *asru;
-#endif
-
if (nvlist_lookup_uint64(nvl, FM_EREPORT_PAYLOAD_ZFS_POOL_GUID,
&pool_guid) != 0 || nvlist_lookup_uint64(nvl,
FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID, &vdev_guid) != 0)
return;
}
-#ifdef HAVE_LIBTOPO
- asru = fmd_nvl_alloc(hdl, FMD_SLEEP);
-
- (void) nvlist_add_uint8(asru, FM_VERSION, ZFS_SCHEME_VERSION0);
- (void) nvlist_add_string(asru, FM_FMRI_SCHEME, FM_FMRI_SCHEME_ZFS);
- (void) nvlist_add_uint64(asru, FM_FMRI_ZFS_POOL, pool_guid);
- (void) nvlist_add_uint64(asru, FM_FMRI_ZFS_VDEV, vdev_guid);
-
- /*
- * We explicitly check for the unusable state here to make sure we
- * aren't responding to a transient state change. As part of opening a
- * vdev, it's possible to see the 'statechange' event, only to be
- * followed by a vdev failure later. If we don't check the current
- * state of the vdev (or pool) before marking it repaired, then we risk
- * generating spurious repair events followed immediately by the same
- * diagnosis.
- *
- * This assumes that the ZFS scheme code associated unusable (i.e.
- * isolated) with its own definition of faulty state. In the case of a
- * DEGRADED leaf vdev (due to checksum errors), this is not the case.
- * This works, however, because the transient state change is not
- * posted in this case. This could be made more explicit by not
- * relying on the scheme's unusable callback and instead directly
- * checking the vdev state, where we could correctly account for
- * DEGRADED state.
- */
- if (!fmd_nvl_fmri_unusable(hdl, asru) && fmd_nvl_fmri_has_fault(hdl,
- asru, FMD_HAS_FAULT_ASRU, NULL)) {
- topo_hdl_t *thp;
- char *fmri = NULL;
- int err;
-
- thp = fmd_hdl_topo_hold(hdl, TOPO_VERSION);
- if (topo_fmri_nvl2str(thp, asru, &fmri, &err) == 0)
- (void) fmd_repair_asru(hdl, fmri);
- fmd_hdl_topo_rele(hdl, thp);
-
- topo_hdl_strfree(thp, fmri);
- }
- nvlist_free(asru);
-#endif
zrp = fmd_hdl_alloc(hdl, sizeof (zfs_retire_repaired_t), FMD_SLEEP);
zrp->zrr_next = zdp->zrd_repaired;
zrp->zrr_pool = pool_guid;
}
if (is_disk) {
-#ifdef HAVE_LIBTOPO
- /*
- * This is a disk fault. Lookup the FRU, convert it to
- * an FMRI string, and attempt to find a matching vdev.
- */
- if (nvlist_lookup_nvlist(fault, FM_FAULT_FRU,
- &fru) != 0 ||
- nvlist_lookup_string(fru, FM_FMRI_SCHEME,
- &scheme) != 0)
- continue;
-
- if (strcmp(scheme, FM_FMRI_SCHEME_HC) != 0)
- continue;
-
- thp = fmd_hdl_topo_hold(hdl, TOPO_VERSION);
- if (topo_fmri_nvl2str(thp, fru, &fmri, &err) != 0) {
- fmd_hdl_topo_rele(hdl, thp);
- continue;
- }
-
- zhp = find_by_fru(zhdl, fmri, &vdev);
- topo_hdl_strfree(thp, fmri);
- fmd_hdl_topo_rele(hdl, thp);
-
- if (zhp == NULL)
- continue;
-
- (void) nvlist_lookup_uint64(vdev,
- ZPOOL_CONFIG_GUID, &vdev_guid);
- aux = VDEV_AUX_EXTERNAL;
-#else
continue;
-#endif
} else {
/*
* This is a ZFS fault. Lookup the resource, and
+++ /dev/null
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#include <dlfcn.h>
-#include <errno.h>
-#include <libintl.h>
-#include <link.h>
-#include <pthread.h>
-#include <strings.h>
-#include <unistd.h>
-
-#include <libzfs.h>
-
-#if defined(HAVE_LIBTOPO)
-
-#include <fm/libtopo.h>
-#include <sys/fm/protocol.h>
-#include <sys/systeminfo.h>
-
-#include "libzfs_impl.h"
-
-/*
- * This file is responsible for determining the relationship between I/O
- * devices paths and physical locations. In the world of MPxIO and external
- * enclosures, the device path is not synonymous with the physical location.
- * If you remove a drive and insert it into a different slot, it will end up
- * with the same path under MPxIO. If you recable storage enclosures, the
- * device paths may change. All of this makes it difficult to implement the
- * 'autoreplace' property, which is supposed to automatically manage disk
- * replacement based on physical slot.
- *
- * In order to work around these limitations, we have a per-vdev FRU property
- * that is the libtopo path (minus disk-specific authority information) to the
- * physical location of the device on the system. This is an optional
- * property, and is only needed when using the 'autoreplace' property or when
- * generating FMA faults against vdevs.
- */
-
-/*
- * Because the FMA packages depend on ZFS, we have to dlopen() libtopo in case
- * it is not present. We only need this once per library instance, so it is
- * not part of the libzfs handle.
- */
-static void *_topo_dlhandle;
-static topo_hdl_t *(*_topo_open)(int, const char *, int *);
-static void (*_topo_close)(topo_hdl_t *);
-static char *(*_topo_snap_hold)(topo_hdl_t *, const char *, int *);
-static void (*_topo_snap_release)(topo_hdl_t *);
-static topo_walk_t *(*_topo_walk_init)(topo_hdl_t *, const char *,
- topo_walk_cb_t, void *, int *);
-static int (*_topo_walk_step)(topo_walk_t *, int);
-static void (*_topo_walk_fini)(topo_walk_t *);
-static void (*_topo_hdl_strfree)(topo_hdl_t *, char *);
-static char *(*_topo_node_name)(tnode_t *);
-static int (*_topo_prop_get_string)(tnode_t *, const char *, const char *,
- char **, int *);
-static int (*_topo_node_fru)(tnode_t *, nvlist_t **, nvlist_t *, int *);
-static int (*_topo_fmri_nvl2str)(topo_hdl_t *, nvlist_t *, char **, int *);
-static int (*_topo_fmri_strcmp_noauth)(topo_hdl_t *, const char *,
- const char *);
-
-#define ZFS_FRU_HASH_SIZE 257
-
-static size_t
-fru_strhash(const char *key)
-{
- ulong_t g, h = 0;
- const char *p;
-
- for (p = key; *p != '\0'; p++) {
- h = (h << 4) + *p;
-
- if ((g = (h & 0xf0000000)) != 0) {
- h ^= (g >> 24);
- h ^= g;
- }
- }
-
- return (h % ZFS_FRU_HASH_SIZE);
-}
-
-static int
-libzfs_fru_gather(topo_hdl_t *thp, tnode_t *tn, void *arg)
-{
- libzfs_handle_t *hdl = arg;
- nvlist_t *fru;
- char *devpath, *frustr;
- int err;
- libzfs_fru_t *frup;
- size_t idx;
-
- /*
- * If this is the chassis node, and we don't yet have the system
- * chassis ID, then fill in this value now.
- */
- if (hdl->libzfs_chassis_id[0] == '\0' &&
- strcmp(_topo_node_name(tn), "chassis") == 0) {
- if (_topo_prop_get_string(tn, FM_FMRI_AUTHORITY,
- FM_FMRI_AUTH_CHASSIS, &devpath, &err) == 0)
- (void) strlcpy(hdl->libzfs_chassis_id, devpath,
- sizeof (hdl->libzfs_chassis_id));
- }
-
- /*
- * Skip non-disk nodes.
- */
- if (strcmp(_topo_node_name(tn), "disk") != 0)
- return (TOPO_WALK_NEXT);
-
- /*
- * Get the devfs path and FRU.
- */
- if (_topo_prop_get_string(tn, "io", "devfs-path", &devpath, &err) != 0)
- return (TOPO_WALK_NEXT);
-
- if (libzfs_fru_lookup(hdl, devpath) != NULL) {
- _topo_hdl_strfree(thp, devpath);
- return (TOPO_WALK_NEXT);
- }
-
- if (_topo_node_fru(tn, &fru, NULL, &err) != 0) {
- _topo_hdl_strfree(thp, devpath);
- return (TOPO_WALK_NEXT);
- }
-
- /*
- * Convert the FRU into a string.
- */
- if (_topo_fmri_nvl2str(thp, fru, &frustr, &err) != 0) {
- nvlist_free(fru);
- _topo_hdl_strfree(thp, devpath);
- return (TOPO_WALK_NEXT);
- }
-
- nvlist_free(fru);
-
- /*
- * Finally, we have a FRU string and device path. Add it to the hash.
- */
- if ((frup = calloc(sizeof (libzfs_fru_t), 1)) == NULL) {
- _topo_hdl_strfree(thp, devpath);
- _topo_hdl_strfree(thp, frustr);
- return (TOPO_WALK_NEXT);
- }
-
- if ((frup->zf_device = strdup(devpath)) == NULL ||
- (frup->zf_fru = strdup(frustr)) == NULL) {
- free(frup->zf_device);
- free(frup);
- _topo_hdl_strfree(thp, devpath);
- _topo_hdl_strfree(thp, frustr);
- return (TOPO_WALK_NEXT);
- }
-
- _topo_hdl_strfree(thp, devpath);
- _topo_hdl_strfree(thp, frustr);
-
- idx = fru_strhash(frup->zf_device);
- frup->zf_chain = hdl->libzfs_fru_hash[idx];
- hdl->libzfs_fru_hash[idx] = frup;
- frup->zf_next = hdl->libzfs_fru_list;
- hdl->libzfs_fru_list = frup;
-
- return (TOPO_WALK_NEXT);
-}
-
-/*
- * Called during initialization to setup the dynamic libtopo connection.
- */
-#pragma init(libzfs_init_fru)
-static void
-libzfs_init_fru(void)
-{
- char path[MAXPATHLEN];
- char isa[257];
-
-#if defined(_LP64)
- if (sysinfo(SI_ARCHITECTURE_64, isa, sizeof (isa)) < 0)
- isa[0] = '\0';
-#else
- isa[0] = '\0';
-#endif
- (void) snprintf(path, sizeof (path),
- "/usr/lib/fm/%s/libtopo.so", isa);
-
- if ((_topo_dlhandle = dlopen(path, RTLD_LAZY)) == NULL)
- return;
-
- _topo_open = (topo_hdl_t *(*)())
- dlsym(_topo_dlhandle, "topo_open");
- _topo_close = (void (*)())
- dlsym(_topo_dlhandle, "topo_close");
- _topo_snap_hold = (char *(*)())
- dlsym(_topo_dlhandle, "topo_snap_hold");
- _topo_snap_release = (void (*)())
- dlsym(_topo_dlhandle, "topo_snap_release");
- _topo_walk_init = (topo_walk_t *(*)())
- dlsym(_topo_dlhandle, "topo_walk_init");
- _topo_walk_step = (int (*)())
- dlsym(_topo_dlhandle, "topo_walk_step");
- _topo_walk_fini = (void (*)())
- dlsym(_topo_dlhandle, "topo_walk_fini");
- _topo_hdl_strfree = (void (*)())
- dlsym(_topo_dlhandle, "topo_hdl_strfree");
- _topo_node_name = (char *(*)())
- dlsym(_topo_dlhandle, "topo_node_name");
- _topo_prop_get_string = (int (*)())
- dlsym(_topo_dlhandle, "topo_prop_get_string");
- _topo_node_fru = (int (*)())
- dlsym(_topo_dlhandle, "topo_node_fru");
- _topo_fmri_nvl2str = (int (*)())
- dlsym(_topo_dlhandle, "topo_fmri_nvl2str");
- _topo_fmri_strcmp_noauth = (int (*)())
- dlsym(_topo_dlhandle, "topo_fmri_strcmp_noauth");
-
- if (_topo_open == NULL || _topo_close == NULL ||
- _topo_snap_hold == NULL || _topo_snap_release == NULL ||
- _topo_walk_init == NULL || _topo_walk_step == NULL ||
- _topo_walk_fini == NULL || _topo_hdl_strfree == NULL ||
- _topo_node_name == NULL || _topo_prop_get_string == NULL ||
- _topo_node_fru == NULL || _topo_fmri_nvl2str == NULL ||
- _topo_fmri_strcmp_noauth == NULL) {
- (void) dlclose(_topo_dlhandle);
- _topo_dlhandle = NULL;
- }
-}
-
-/*
- * Refresh the mappings from device path -> FMRI. We do this by walking the
- * hc topology looking for disk nodes, and recording the io/devfs-path and FRU.
- * Note that we strip out the disk-specific authority information (serial,
- * part, revision, etc) so that we are left with only the identifying
- * characteristics of the slot (hc path and chassis-id).
- */
-void
-libzfs_fru_refresh(libzfs_handle_t *hdl)
-{
- int err;
- char *uuid;
- topo_hdl_t *thp;
- topo_walk_t *twp;
-
- if (_topo_dlhandle == NULL)
- return;
-
- /*
- * Clear the FRU hash and initialize our basic structures.
- */
- libzfs_fru_clear(hdl, B_FALSE);
-
- if ((hdl->libzfs_topo_hdl = _topo_open(TOPO_VERSION,
- NULL, &err)) == NULL)
- return;
-
- thp = hdl->libzfs_topo_hdl;
-
- if ((uuid = _topo_snap_hold(thp, NULL, &err)) == NULL)
- return;
-
- _topo_hdl_strfree(thp, uuid);
-
- if (hdl->libzfs_fru_hash == NULL &&
- (hdl->libzfs_fru_hash =
- calloc(ZFS_FRU_HASH_SIZE, sizeof (void *))) == NULL)
- return;
-
- /*
- * We now have a topo snapshot, so iterate over the hc topology looking
- * for disks to add to the hash.
- */
- twp = _topo_walk_init(thp, FM_FMRI_SCHEME_HC,
- libzfs_fru_gather, hdl, &err);
- if (twp != NULL) {
- (void) _topo_walk_step(twp, TOPO_WALK_CHILD);
- _topo_walk_fini(twp);
- }
-}
-
-/*
- * Given a devfs path, return the FRU for the device, if known. This will
- * automatically call libzfs_fru_refresh() if it hasn't already been called by
- * the consumer. The string returned is valid until the next call to
- * libzfs_fru_refresh().
- */
-const char *
-libzfs_fru_lookup(libzfs_handle_t *hdl, const char *devpath)
-{
- size_t idx = fru_strhash(devpath);
- libzfs_fru_t *frup;
-
- if (hdl->libzfs_fru_hash == NULL)
- libzfs_fru_refresh(hdl);
-
- if (hdl->libzfs_fru_hash == NULL)
- return (NULL);
-
- for (frup = hdl->libzfs_fru_hash[idx]; frup != NULL;
- frup = frup->zf_chain) {
- if (strcmp(devpath, frup->zf_device) == 0)
- return (frup->zf_fru);
- }
-
- return (NULL);
-}
-
-/*
- * Given a fru path, return the device path. This will automatically call
- * libzfs_fru_refresh() if it hasn't already been called by the consumer. The
- * string returned is valid until the next call to libzfs_fru_refresh().
- */
-const char *
-libzfs_fru_devpath(libzfs_handle_t *hdl, const char *fru)
-{
- libzfs_fru_t *frup;
- size_t idx;
-
- if (hdl->libzfs_fru_hash == NULL)
- libzfs_fru_refresh(hdl);
-
- if (hdl->libzfs_fru_hash == NULL)
- return (NULL);
-
- for (idx = 0; idx < ZFS_FRU_HASH_SIZE; idx++) {
- for (frup = hdl->libzfs_fru_hash[idx]; frup != NULL;
- frup = frup->zf_next) {
- if (_topo_fmri_strcmp_noauth(hdl->libzfs_topo_hdl,
- fru, frup->zf_fru))
- return (frup->zf_device);
- }
- }
-
- return (NULL);
-}
-
-/*
- * Change the stored FRU for the given vdev.
- */
-int
-zpool_fru_set(zpool_handle_t *zhp, uint64_t vdev_guid, const char *fru)
-{
- zfs_cmd_t zc = {"\0"};
-
- (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- (void) strncpy(zc.zc_value, fru, sizeof (zc.zc_value));
- zc.zc_guid = vdev_guid;
-
- if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_SETFRU, &zc) != 0)
- return (zpool_standard_error_fmt(zhp->zpool_hdl, errno,
- dgettext(TEXT_DOMAIN, "cannot set FRU")));
-
- return (0);
-}
-
-/*
- * Compare to two FRUs, ignoring any authority information.
- */
-boolean_t
-libzfs_fru_compare(libzfs_handle_t *hdl, const char *a, const char *b)
-{
- if (hdl->libzfs_fru_hash == NULL)
- libzfs_fru_refresh(hdl);
-
- if (hdl->libzfs_fru_hash == NULL)
- return (strcmp(a, b) == 0);
-
- return (_topo_fmri_strcmp_noauth(hdl->libzfs_topo_hdl, a, b));
-}
-
-/*
- * This special function checks to see whether the FRU indicates it's supposed
- * to be in the system chassis, but the chassis-id doesn't match. This can
- * happen in a clustered case, where both head nodes have the same logical
- * disk, but opening the device on the other head node is meaningless.
- */
-boolean_t
-libzfs_fru_notself(libzfs_handle_t *hdl, const char *fru)
-{
- const char *chassisid;
- size_t len;
-
- if (hdl->libzfs_fru_hash == NULL)
- libzfs_fru_refresh(hdl);
-
- if (hdl->libzfs_chassis_id[0] == '\0')
- return (B_FALSE);
-
- if (strstr(fru, "/chassis=0/") == NULL)
- return (B_FALSE);
-
- if ((chassisid = strstr(fru, ":chassis-id=")) == NULL)
- return (B_FALSE);
-
- chassisid += 12;
- len = strlen(hdl->libzfs_chassis_id);
- if (strncmp(chassisid, hdl->libzfs_chassis_id, len) == 0 &&
- (chassisid[len] == '/' || chassisid[len] == ':'))
- return (B_FALSE);
-
- return (B_TRUE);
-}
-
-/*
- * Clear memory associated with the FRU hash.
- */
-void
-libzfs_fru_clear(libzfs_handle_t *hdl, boolean_t final)
-{
- libzfs_fru_t *frup;
-
- while ((frup = hdl->libzfs_fru_list) != NULL) {
- hdl->libzfs_fru_list = frup->zf_next;
- free(frup->zf_device);
- free(frup->zf_fru);
- free(frup);
- }
-
- hdl->libzfs_fru_list = NULL;
-
- if (hdl->libzfs_topo_hdl != NULL) {
- _topo_snap_release(hdl->libzfs_topo_hdl);
- _topo_close(hdl->libzfs_topo_hdl);
- hdl->libzfs_topo_hdl = NULL;
- }
-
- if (final) {
- free(hdl->libzfs_fru_hash);
- } else if (hdl->libzfs_fru_hash != NULL) {
- bzero(hdl->libzfs_fru_hash,
- ZFS_FRU_HASH_SIZE * sizeof (void *));
- }
-}
-
-#else /* HAVE_LIBTOPO */
-
-/*
- * Compare to two FRUs, ignoring any authority information.
- */
-boolean_t
-libzfs_fru_compare(libzfs_handle_t *hdl, const char *a, const char *b)
-{
- return (B_FALSE);
-}
-
-/*
- * Clear memory associated with the FRU hash.
- */
-void
-libzfs_fru_clear(libzfs_handle_t *hdl, boolean_t final)
-{
-}
-
-#endif /* HAVE_LIBTOPO */
projects / zfs / commitdiff