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Index: usr.sbin/bhyve/pci_nvme.c
===================================================================
--- usr.sbin/bhyve/pci_nvme.c
+++ usr.sbin/bhyve/pci_nvme.c
@@ -116,6 +116,9 @@
#define NVME_NO_STATUS 0xffff
#define NVME_COMPLETION_VALID(c) ((c).status != NVME_NO_STATUS)
+/* Reported temperature in Kelvin (i.e. room temperature) */
+#define NVME_TEMPERATURE 296
+
/* helpers */
/* Convert a zero-based value into a one-based value */
@@ -408,6 +411,10 @@
struct nvme_feature_obj *,
struct nvme_command *,
struct nvme_completion *);
+static void nvme_feature_temperature(struct pci_nvme_softc *,
+ struct nvme_feature_obj *,
+ struct nvme_command *,
+ struct nvme_completion *);
static void nvme_feature_num_queues(struct pci_nvme_softc *,
struct nvme_feature_obj *,
struct nvme_command *,
@@ -539,6 +546,7 @@
/* Warning Composite Temperature Threshold */
cd->wctemp = 0x0157;
+ cd->cctemp = 0x0157;
cd->sqes = (6 << NVME_CTRLR_DATA_SQES_MAX_SHIFT) |
(6 << NVME_CTRLR_DATA_SQES_MIN_SHIFT);
@@ -674,7 +682,7 @@
sc->write_dunits_remainder = 999;
/* Set nominal Health values checked by implementations */
- sc->health_log.temperature = 310;
+ sc->health_log.temperature = NVME_TEMPERATURE;
sc->health_log.available_spare = 100;
sc->health_log.available_spare_threshold = 10;
}
@@ -688,7 +696,6 @@
switch (fid) {
case NVME_FEAT_ARBITRATION:
case NVME_FEAT_POWER_MANAGEMENT:
- case NVME_FEAT_TEMPERATURE_THRESHOLD:
case NVME_FEAT_INTERRUPT_COALESCING: //XXX
case NVME_FEAT_WRITE_ATOMICITY:
/* Mandatory but no special handling required */
@@ -701,6 +708,9 @@
sc->feat[fid].set = nvme_feature_lba_range_type;
sc->feat[fid].get = nvme_feature_lba_range_type;
break;
+ case NVME_FEAT_TEMPERATURE_THRESHOLD:
+ sc->feat[fid].set = nvme_feature_temperature;
+ break;
case NVME_FEAT_ERROR_RECOVERY:
sc->feat[fid].namespace_specific = true;
break;
@@ -1026,7 +1036,6 @@
sc->regs.vs = NVME_REV(1,4); /* NVMe v1.4 */
sc->regs.cc = 0;
- sc->regs.csts = 0;
assert(sc->submit_queues != NULL);
@@ -1051,6 +1060,12 @@
pci_nvme_aer_destroy(sc);
pci_nvme_aen_destroy(sc);
+
+ /*
+ * Clear CSTS.RDY last to prevent the host from enabling Controller
+ * before cleanup completes
+ */
+ sc->regs.csts = 0;
}
static void
@@ -1667,6 +1682,53 @@
NVME_COPY_TO_PRP);
}
+#define NVME_TEMP_THRESH_OVER 0
+#define NVME_TEMP_THRESH_UNDER 1
+static void
+nvme_feature_temperature(struct pci_nvme_softc *sc,
+ struct nvme_feature_obj *feat,
+ struct nvme_command *command,
+ struct nvme_completion *compl)
+{
+ uint16_t tmpth; /* Temperature Threshold */
+ uint16_t tmpsel; /* Threshold Temperature Select */
+ uint8_t thsel; /* Threshold Type Select */
+ bool set_crit = false;
+
+ tmpth = command->cdw11 & 0xffff;
+ tmpsel = (command->cdw11 >> 16) & 0xf;
+ thsel = (command->cdw11 >> 20) & 0x3;
+
+ DPRINTF("%s: tmpth=%#x tmpsel=%#x thsel=%#x", __func__, tmpth, tmpsel, thsel);
+
+ /* Check for unsupported values */
+ if (((tmpsel != 0) && (tmpsel != 0xf)) ||
+ (thsel > NVME_TEMP_THRESH_UNDER)) {
+ pci_nvme_status_genc(&compl->status, NVME_SC_INVALID_FIELD);
+ return;
+ }
+
+ if (((thsel == NVME_TEMP_THRESH_OVER) && (NVME_TEMPERATURE >= tmpth)) ||
+ ((thsel == NVME_TEMP_THRESH_UNDER) && (NVME_TEMPERATURE <= tmpth)))
+ set_crit = true;
+
+ pthread_mutex_lock(&sc->mtx);
+ if (set_crit)
+ sc->health_log.critical_warning |=
+ NVME_CRIT_WARN_ST_TEMPERATURE;
+ else
+ sc->health_log.critical_warning &=
+ ~NVME_CRIT_WARN_ST_TEMPERATURE;
+ pthread_mutex_unlock(&sc->mtx);
+
+ if (set_crit)
+ pci_nvme_aen_post(sc, PCI_NVME_AE_TYPE_SMART,
+ sc->health_log.critical_warning);
+
+
+ DPRINTF("%s: set_crit=%c critical_warning=%#x status=%#x", __func__, set_crit ? 'T':'F', sc->health_log.critical_warning, compl->status);
+}
+
static void
nvme_feature_num_queues(struct pci_nvme_softc *sc,
struct nvme_feature_obj *feat,

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