/*
* Solve a given ZFS case. This first checks to make sure the diagnosis is
* still valid, as well as cleaning up any pending timer associated with the
* case.
*/
static void
zfs_case_solve(fmd_hdl_t *hdl, zfs_case_t *zcp, const char *faultname,
boolean_t checkunusable)
{
nvlist_t *detector, *fault;
boolean_t serialize;
nvlist_t *fru = NULL;
fmd_hdl_debug(hdl, "solving fault '%s'", faultname);
/*
* Construct the detector from the case data. The detector is in the
* ZFS scheme, and is either the pool or the vdev, depending on whether
* this is a vdev or pool fault.
*/
detector = fmd_nvl_alloc(hdl, FMD_SLEEP);
(void) nvlist_add_uint8(detector, FM_VERSION, ZFS_SCHEME_VERSION0);
(void) nvlist_add_string(detector, FM_FMRI_SCHEME, FM_FMRI_SCHEME_ZFS);
(void) nvlist_add_uint64(detector, FM_FMRI_ZFS_POOL,
zcp->zc_data.zc_pool_guid);
if (zcp->zc_data.zc_vdev_guid != 0) {
(void) nvlist_add_uint64(detector, FM_FMRI_ZFS_VDEV,
zcp->zc_data.zc_vdev_guid);
}
fault = fmd_nvl_create_fault(hdl, faultname, 100, detector,
fru, detector);
fmd_case_add_suspect(hdl, zcp->zc_case, fault);
nvlist_free(fru);
fmd_case_solve(hdl, zcp->zc_case);
serialize = B_FALSE;
if (zcp->zc_data.zc_has_remove_timer) {
fmd_timer_remove(hdl, zcp->zc_remove_timer);
zcp->zc_data.zc_has_remove_timer = 0;
serialize = B_TRUE;
}
if (serialize)
zfs_case_serialize(hdl, zcp);
nvlist_free(detector);
}
/*ARGSUSED*/
uint_t
fmevt_pp_smf(char *classes[FMEVT_FANOUT_MAX],
nvlist_t *attr[FMEVT_FANOUT_MAX], const char *ruleset,
const nvlist_t *detector, nvlist_t *rawattr,
const struct fmevt_ppargs *eap)
{
int32_t transition, from, to;
const char *fromstr, *tostr;
char *svcname, *rsn, *rsnl;
nvlist_t *myattr;
nvlist_t *fmri;
uint32_t ver;
if (!fmd_prop_get_int32(fmevt_hdl, "inbound_postprocess_smf"))
return (0);
if (rawattr == NULL ||
strcmp(eap->pp_rawclass, "state-transition") != 0 ||
nvlist_lookup_string(rawattr, "fmri", &svcname) != 0 ||
nvlist_lookup_int32(rawattr, "transition", &transition) != 0 ||
nvlist_lookup_string(rawattr, "reason-short", &rsn) != 0 ||
nvlist_lookup_string(rawattr, "reason-long", &rsnl) != 0 ||
nvlist_lookup_uint32(rawattr, "reason-version", &ver) != 0)
return (0);
from = transition >> 16;
to = transition & 0xffff;
fromstr = smf_state_to_string(from);
tostr = smf_state_to_string(to);
if (fromstr == NULL || tostr == NULL)
return (0);
if (strcmp(eap->pp_rawsubclass, tostr) != 0)
return (0);
if ((fmri = shortfmri_to_fmri(fmevt_hdl, svcname)) == NULL)
return (0);
if (snprintf(classes[0], FMEVT_MAX_CLASS, "%s.%s.%s.%s",
FM_IREPORT_CLASS, "os.smf", eap->pp_rawclass,
eap->pp_rawsubclass) >= FMEVT_MAX_CLASS - 1)
return (0);
if ((myattr = fmd_nvl_alloc(fmevt_hdl, FMD_SLEEP)) == NULL)
return (0);
if (nvlist_add_nvlist(myattr, "svc", fmri) != 0 ||
nvlist_add_string(myattr, "svc-string", svcname) != 0 ||
nvlist_add_string(myattr, "from-state", fromstr) != 0 ||
nvlist_add_string(myattr, "to-state", tostr) != 0 ||
nvlist_add_uint32(myattr, "reason-version", ver) != 0 ||
nvlist_add_string(myattr, "reason-short", rsn) != 0 ||
nvlist_add_string(myattr, "reason-long", rsnl) != 0) {
nvlist_free(fmri);
nvlist_free(myattr);
return (0);
}
attr[0] = myattr;
nvlist_free(fmri);
return (1);
}
/*
* Solve a given ZFS case. This first checks to make sure the diagnosis is
* still valid, as well as cleaning up any pending timer associated with the
* case.
*/
static void
zfs_case_solve(fmd_hdl_t *hdl, zfs_case_t *zcp, const char *faultname,
boolean_t checkunusable)
{
libzfs_handle_t *zhdl = fmd_hdl_getspecific(hdl);
nvlist_t *detector, *fault;
boolean_t serialize;
nvlist_t *fmri, *fru;
topo_hdl_t *thp;
int err;
/*
* Construct the detector from the case data. The detector is in the
* ZFS scheme, and is either the pool or the vdev, depending on whether
* this is a vdev or pool fault.
*/
detector = fmd_nvl_alloc(hdl, FMD_SLEEP);
(void) nvlist_add_uint8(detector, FM_VERSION, ZFS_SCHEME_VERSION0);
(void) nvlist_add_string(detector, FM_FMRI_SCHEME, FM_FMRI_SCHEME_ZFS);
(void) nvlist_add_uint64(detector, FM_FMRI_ZFS_POOL,
zcp->zc_data.zc_pool_guid);
if (zcp->zc_data.zc_vdev_guid != 0) {
(void) nvlist_add_uint64(detector, FM_FMRI_ZFS_VDEV,
zcp->zc_data.zc_vdev_guid);
}
/*
* We also want to make sure that the detector (pool or vdev) properly
* reflects the diagnosed state, when the fault corresponds to internal
* ZFS state (i.e. not checksum or I/O error-induced). Otherwise, a
* device which was unavailable early in boot (because the driver/file
* wasn't available) and is now healthy will be mis-diagnosed.
*/
if (!fmd_nvl_fmri_present(hdl, detector) ||
(checkunusable && !fmd_nvl_fmri_unusable(hdl, detector))) {
fmd_case_close(hdl, zcp->zc_case);
nvlist_free(detector);
return;
}
fru = NULL;
if (zcp->zc_fru != NULL &&
(thp = fmd_hdl_topo_hold(hdl, TOPO_VERSION)) != NULL) {
/*
* If the vdev had an associated FRU, then get the FRU nvlist
* from the topo handle and use that in the suspect list. We
* explicitly lookup the FRU because the fmri reported from the
* kernel may not have up to date details about the disk itself
* (serial, part, etc).
*/
if (topo_fmri_str2nvl(thp, zcp->zc_fru, &fmri, &err) == 0) {
/*
* If the disk is part of the system chassis, but the
* FRU indicates a different chassis ID than our
* current system, then ignore the error. This
* indicates that the device was part of another
* cluster head, and for obvious reasons cannot be
* imported on this system.
*/
if (libzfs_fru_notself(zhdl, zcp->zc_fru)) {
fmd_case_close(hdl, zcp->zc_case);
nvlist_free(fmri);
fmd_hdl_topo_rele(hdl, thp);
nvlist_free(detector);
return;
}
/*
* If the device is no longer present on the system, or
* topo_fmri_fru() fails for other reasons, then fall
* back to the fmri specified in the vdev.
*/
if (topo_fmri_fru(thp, fmri, &fru, &err) != 0)
fru = fmd_nvl_dup(hdl, fmri, FMD_SLEEP);
nvlist_free(fmri);
}
fmd_hdl_topo_rele(hdl, thp);
}
fault = fmd_nvl_create_fault(hdl, faultname, 100, detector,
fru, detector);
fmd_case_add_suspect(hdl, zcp->zc_case, fault);
nvlist_free(fru);
fmd_case_solve(hdl, zcp->zc_case);
serialize = B_FALSE;
if (zcp->zc_data.zc_has_remove_timer) {
fmd_timer_remove(hdl, zcp->zc_remove_timer);
zcp->zc_data.zc_has_remove_timer = 0;
serialize = B_TRUE;
}
if (serialize)
zfs_case_serialize(hdl, zcp);
nvlist_free(detector);
}
/*ARGSUSED3*/
static nvlist_t *
fmevt_detector(nvlist_t *attr, char *ruleset, int user, int priv,
fmev_pri_t pri)
{
char buf[FMEV_MAX_RULESET_LEN + 1];
char *ns, *subsys;
nvlist_t *obj, *dtcr, *site, *ctxt;
char *execname = NULL;
int32_t i32;
int64_t i64;
int err = 0;
char *str;
(void) strncpy(buf, ruleset, sizeof (buf));
if (!fmevt_rs_burst(NULL, buf, &ns, &subsys, B_FALSE))
return (NULL);
obj = fmd_nvl_alloc(fmevt_hdl, FMD_SLEEP);
dtcr = fmd_nvl_alloc(fmevt_hdl, FMD_SLEEP);
site = fmd_nvl_alloc(fmevt_hdl, FMD_SLEEP);
ctxt = fmd_nvl_alloc(fmevt_hdl, FMD_SLEEP);
if (obj == NULL || dtcr == NULL || site == NULL || ctxt == NULL) {
err++;
goto done;
}
/*
* Build up 'object' nvlist.
*/
if (nvlist_lookup_string(attr, "__fmev_execname", &execname) == 0)
err += nvlist_add_string(obj, FM_FMRI_SW_OBJ_PATH, execname);
/*
* Build up 'site' nvlist. We should have source file and line
* number and, if the producer was compiled with C99, function name.
*/
if (nvlist_lookup_string(attr, "__fmev_file", &str) == 0) {
err += nvlist_add_string(site, FM_FMRI_SW_SITE_FILE, str);
(void) nvlist_remove(attr, "__fmev_file", DATA_TYPE_STRING);
}
if (nvlist_lookup_string(attr, "__fmev_func", &str) == 0) {
err += nvlist_add_string(site, FM_FMRI_SW_SITE_FUNC, str);
(void) nvlist_remove(attr, "__fmev_func", DATA_TYPE_STRING);
}
if (nvlist_lookup_int64(attr, "__fmev_line", &i64) == 0) {
err += nvlist_add_int64(site, FM_FMRI_SW_SITE_LINE, i64);
(void) nvlist_remove(attr, "__fmev_line", DATA_TYPE_INT64);
}
/*
* Build up 'context' nvlist. We do not include contract id at
* this time.
*/
err += nvlist_add_string(ctxt, FM_FMRI_SW_CTXT_ORIGIN,
user ? "userland" : "kernel");
if (execname) {
err += nvlist_add_string(ctxt, FM_FMRI_SW_CTXT_EXECNAME,
execname);
(void) nvlist_remove(attr, "__fmev_execname", DATA_TYPE_STRING);
}
if (nvlist_lookup_int32(attr, "__fmev_pid", &i32) == 0) {
err += nvlist_add_int32(ctxt, FM_FMRI_SW_CTXT_PID, i32);
(void) nvlist_remove(attr, "__fmev_pid", DATA_TYPE_INT32);
}
if (!isglobalzone)
err += nvlist_add_string(ctxt, FM_FMRI_SW_CTXT_ZONE, zonename);
/* Put it all together */
err += nvlist_add_uint8(dtcr, FM_VERSION, SW_SCHEME_VERSION0);
err += nvlist_add_string(dtcr, FM_FMRI_SCHEME, FM_FMRI_SCHEME_SW);
err += nvlist_add_nvlist(dtcr, FM_FMRI_SW_OBJ, obj);
err += nvlist_add_nvlist(dtcr, FM_FMRI_SW_SITE, site);
err += nvlist_add_nvlist(dtcr, FM_FMRI_SW_CTXT, ctxt);
done:
nvlist_free(obj);
nvlist_free(site);
nvlist_free(ctxt);
if (err == 0) {
return (dtcr);
} else {
nvlist_free(dtcr);
return (NULL);
}
}
