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Index: head/usr.sbin/bhyve/pci_nvme.c
===================================================================
--- head/usr.sbin/bhyve/pci_nvme.c
+++ head/usr.sbin/bhyve/pci_nvme.c
@@ -356,6 +356,10 @@
struct nvme_feature_obj *,
struct nvme_command *,
struct nvme_completion *);
+static void nvme_feature_iv_config(struct pci_nvme_softc *,
+ struct nvme_feature_obj *,
+ struct nvme_command *,
+ struct nvme_completion *);
static __inline void
cpywithpad(char *dst, size_t dst_size, const char *src, char pad)
@@ -612,6 +616,8 @@
sc->feat[NVME_FEAT_LBA_RANGE_TYPE].namespace_specific = true;
sc->feat[NVME_FEAT_ERROR_RECOVERY].namespace_specific = true;
sc->feat[NVME_FEAT_NUMBER_OF_QUEUES].set = nvme_feature_num_queues;
+ sc->feat[NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION].set =
+ nvme_feature_iv_config;
}
static void
@@ -1273,6 +1279,39 @@
{
pci_nvme_status_genc(&compl->status, NVME_SC_INVALID_FIELD);
+}
+
+static void
+nvme_feature_iv_config(struct pci_nvme_softc *sc,
+ struct nvme_feature_obj *feat,
+ struct nvme_command *command,
+ struct nvme_completion *compl)
+{
+ uint32_t i;
+ uint32_t cdw11 = command->cdw11;
+ uint16_t iv;
+ bool cd;
+
+ pci_nvme_status_genc(&compl->status, NVME_SC_INVALID_FIELD);
+
+ iv = cdw11 & 0xffff;
+ cd = cdw11 & (1 << 16);
+
+ if (iv > (sc->max_queues + 1)) {
+ return;
+ }
+
+ /* No Interrupt Coalescing (i.e. not Coalescing Disable) for Admin Q */
+ if ((iv == 0) && !cd)
+ return;
+
+ /* Requested Interrupt Vector must be used by a CQ */
+ for (i = 0; i < sc->num_cqueues + 1; i++) {
+ if (sc->compl_queues[i].intr_vec == iv) {
+ pci_nvme_status_genc(&compl->status, NVME_SC_SUCCESS);
+ }
+ }
+
}
static void

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