diff --git a/hw/block/nvme-ns.h b/hw/block/nvme-ns.h
index e537bfba18b8..07acc627680a 100644
--- a/hw/block/nvme-ns.h
+++ b/hw/block/nvme-ns.h
@@ -56,6 +56,7 @@ typedef struct NvmeNamespace {
     NvmeIdNs     id_ns;
     const uint32_t *iocs;
     uint8_t      csi;
+    uint16_t     status;
 
     NvmeSubsystem   *subsys;
 
@@ -80,6 +81,11 @@ typedef struct NvmeNamespace {
     } features;
 } NvmeNamespace;
 
+static inline uint16_t nvme_ns_status(NvmeNamespace *ns)
+{
+    return ns->status;
+}
+
 static inline uint32_t nvme_nsid(NvmeNamespace *ns)
 {
     if (ns) {
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index d1b09ece1985..36fd81c55927 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -70,6 +70,7 @@ static inline const char *nvme_adm_opc_str(uint8_t opc)
     case NVME_ADM_CMD_SET_FEATURES:     return "NVME_ADM_CMD_SET_FEATURES";
     case NVME_ADM_CMD_GET_FEATURES:     return "NVME_ADM_CMD_GET_FEATURES";
     case NVME_ADM_CMD_ASYNC_EV_REQ:     return "NVME_ADM_CMD_ASYNC_EV_REQ";
+    case NVME_ADM_CMD_FORMAT_NVM:       return "NVME_ADM_CMD_FORMAT_NVM";
     default:                            return "NVME_ADM_CMD_UNKNOWN";
     }
 }
diff --git a/include/block/nvme.h b/include/block/nvme.h
index ec5262d17e12..2f21cd60cea3 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -825,6 +825,7 @@ enum NvmeStatusCodes {
     NVME_CAP_EXCEEDED           = 0x0081,
     NVME_NS_NOT_READY           = 0x0082,
     NVME_NS_RESV_CONFLICT       = 0x0083,
+    NVME_FORMAT_IN_PROGRESS     = 0x0084,
     NVME_INVALID_CQID           = 0x0100,
     NVME_INVALID_QID            = 0x0101,
     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
index 0a03ca416450..e9d34b14fb73 100644
--- a/hw/block/nvme-ns.c
+++ b/hw/block/nvme-ns.c
@@ -102,6 +102,7 @@ lbaf_found:
     ns->mdata_offset = nvme_l2b(ns, nlbas);
 
     ns->csi = NVME_CSI_NVM;
+    ns->status = 0x0;
 
     /* no thin provisioning */
     id_ns->ncap = id_ns->nsze;
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index e5832ce2a69e..9a611918e9e9 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -189,6 +189,7 @@ static const uint32_t nvme_cse_acs[256] = {
     [NVME_ADM_CMD_SET_FEATURES]     = NVME_CMD_EFF_CSUPP,
     [NVME_ADM_CMD_GET_FEATURES]     = NVME_CMD_EFF_CSUPP,
     [NVME_ADM_CMD_ASYNC_EV_REQ]     = NVME_CMD_EFF_CSUPP,
+    [NVME_ADM_CMD_FORMAT_NVM]       = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC,
 };
 
 static const uint32_t nvme_cse_iocs_none[256];
@@ -2077,6 +2078,42 @@ out:
     nvme_rw_complete_cb(req, ret);
 }
 
+struct nvme_aio_format_ctx {
+    NvmeRequest   *req;
+    NvmeNamespace *ns;
+
+    /* number of outstanding write zeroes for this namespace */
+    int *count;
+};
+
+static void nvme_aio_format_cb(void *opaque, int ret)
+{
+    struct nvme_aio_format_ctx *ctx = opaque;
+    NvmeRequest *req = ctx->req;
+    NvmeNamespace *ns = ctx->ns;
+    uintptr_t *num_formats = (uintptr_t *)&req->opaque;
+    int *count = ctx->count;
+
+    g_free(ctx);
+
+    if (ret) {
+        nvme_aio_err(req, ret);
+    }
+
+    if (--(*count)) {
+        return;
+    }
+
+    g_free(count);
+    ns->status = 0x0;
+
+    if (--(*num_formats)) {
+        return;
+    }
+
+    nvme_enqueue_req_completion(nvme_cq(req), req);
+}
+
 struct nvme_aio_flush_ctx {
     NvmeRequest     *req;
     NvmeNamespace   *ns;
@@ -4040,6 +4077,7 @@ static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req)
 static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req)
 {
     uint32_t nsid = le32_to_cpu(req->cmd.nsid);
+    uint16_t status;
 
     trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req),
                           req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode));
@@ -4081,6 +4119,11 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req)
         return NVME_INVALID_OPCODE | NVME_DNR;
     }
 
+    status = nvme_ns_status(req->ns);
+    if (unlikely(status)) {
+        return status;
+    }
+
     switch (req->cmd.opcode) {
     case NVME_CMD_WRITE_ZEROES:
         return nvme_write_zeroes(n, req);
@@ -5197,6 +5240,126 @@ static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req)
     return NVME_NO_COMPLETE;
 }
 
+static uint16_t nvme_format_ns(NvmeCtrl *n, NvmeNamespace *ns, uint8_t lbaf,
+                               uint8_t mset, uint8_t pi, uint8_t pil,
+                               NvmeRequest *req)
+{
+    int64_t len, offset;
+    struct nvme_aio_format_ctx *ctx;
+    BlockBackend *blk = ns->blkconf.blk;
+    uint16_t ms;
+    uintptr_t *num_formats = (uintptr_t *)&req->opaque;
+    int *count;
+
+    trace_pci_nvme_format_ns(nvme_cid(req), nvme_nsid(ns), lbaf, mset, pi, pil);
+
+    if (lbaf > ns->id_ns.nlbaf) {
+        return NVME_INVALID_FORMAT | NVME_DNR;
+    }
+
+    ms = ns->id_ns.lbaf[lbaf].ms;
+
+    if (pi && (ms < sizeof(NvmeDifTuple))) {
+        return NVME_INVALID_FORMAT | NVME_DNR;
+    }
+
+    if (pi && pi > NVME_ID_NS_DPS_TYPE_3) {
+        return NVME_INVALID_FIELD | NVME_DNR;
+    }
+
+    blk_drain(blk);
+
+    ns->id_ns.dps = (pil << 3) | pi;
+    ns->id_ns.flbas = lbaf | (mset << 4);
+    ns->id_ns.nsze = ns->id_ns.ncap = ns->id_ns.nuse =
+        cpu_to_le64(nvme_ns_nlbas(ns));
+
+    ns->status = NVME_FORMAT_IN_PROGRESS;
+
+    len = ns->size;
+    offset = 0;
+
+    count = g_new(int, 1);
+    *count = 1;
+
+    (*num_formats)++;
+
+    while (len) {
+        ctx = g_new(struct nvme_aio_format_ctx, 1);
+        ctx->req = req;
+        ctx->ns = ns;
+        ctx->count = count;
+
+        size_t bytes = MIN(BDRV_REQUEST_MAX_BYTES, len);
+
+        (*count)++;
+
+        blk_aio_pwrite_zeroes(blk, offset, bytes, BDRV_REQ_MAY_UNMAP,
+                              nvme_aio_format_cb, ctx);
+
+        offset += bytes;
+        len -= bytes;
+
+    }
+
+    (*count)--;
+
+    return NVME_NO_COMPLETE;
+}
+
+static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req)
+{
+    NvmeNamespace *ns;
+    uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
+    uint32_t nsid = le32_to_cpu(req->cmd.nsid);
+    uint8_t lbaf = dw10 & 0xf;
+    uint8_t mset = (dw10 >> 4) & 0x1;
+    uint8_t pi = (dw10 >> 5) & 0x7;
+    uint8_t pil = (dw10 >> 8) & 0x1;
+    uintptr_t *num_formats = (uintptr_t *)&req->opaque;
+    uint16_t status;
+    int i;
+
+    trace_pci_nvme_format(nvme_cid(req), nsid, lbaf, mset, pi, pil);
+
+    /* 1-initialize; see the comment in nvme_dsm */
+    *num_formats = 1;
+
+    if (nsid != NVME_NSID_BROADCAST) {
+        if (!nvme_nsid_valid(n, nsid)) {
+            return NVME_INVALID_NSID | NVME_DNR;
+        }
+
+        ns = nvme_ns(n, nsid);
+        if (!ns) {
+            return NVME_INVALID_FIELD | NVME_DNR;
+        }
+
+        status = nvme_format_ns(n, ns, lbaf, mset, pi, pil, req);
+    } else {
+        for (i = 1; i <= n->num_namespaces; i++) {
+            ns = nvme_ns(n, i);
+            if (!ns) {
+                continue;
+            }
+
+            status = nvme_format_ns(n, ns, lbaf, mset, pi, pil, req);
+            if (status && status != NVME_NO_COMPLETE) {
+                req->status = status;
+                break;
+            }
+        }
+    }
+
+    /* account for the 1-initialization */
+    if (--(*num_formats)) {
+        return NVME_NO_COMPLETE;
+    }
+
+    return req->status;
+}
+
+
 static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req)
 {
     trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode,
@@ -5233,6 +5396,8 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req)
         return nvme_get_feature(n, req);
     case NVME_ADM_CMD_ASYNC_EV_REQ:
         return nvme_aer(n, req);
+    case NVME_ADM_CMD_FORMAT_NVM:
+        return nvme_format(n, req);
     default:
         assert(false);
     }
@@ -6188,7 +6353,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
 
     id->mdts = n->params.mdts;
     id->ver = cpu_to_le32(NVME_SPEC_VER);
-    id->oacs = cpu_to_le16(0);
+    id->oacs = cpu_to_le16(NVME_OACS_FORMAT);
     id->cntrltype = 0x1;
 
     /*
diff --git a/hw/block/trace-events b/hw/block/trace-events
index b5189aa88b85..b46910a98bff 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -41,6 +41,9 @@ pci_nvme_map_sgl(uint8_t typ, uint64_t len) "type 0x%"PRIx8" len %"PRIu64""
 pci_nvme_io_cmd(uint16_t cid, uint32_t nsid, uint16_t sqid, uint8_t opcode, const char *opname) "cid %"PRIu16" nsid %"PRIu32" sqid %"PRIu16" opc 0x%"PRIx8" opname '%s'"
 pci_nvme_admin_cmd(uint16_t cid, uint16_t sqid, uint8_t opcode, const char *opname) "cid %"PRIu16" sqid %"PRIu16" opc 0x%"PRIx8" opname '%s'"
 pci_nvme_flush(uint16_t cid, uint32_t nsid) "cid %"PRIu16" nsid %"PRIu32""
+pci_nvme_format(uint16_t cid, uint32_t nsid, uint8_t lbaf, uint8_t mset, uint8_t pi, uint8_t pil) "cid %"PRIu16" nsid %"PRIu32" lbaf %"PRIu8" mset %"PRIu8" pi %"PRIu8" pil %"PRIu8""
+pci_nvme_format_ns(uint16_t cid, uint32_t nsid, uint8_t lbaf, uint8_t mset, uint8_t pi, uint8_t pil) "cid %"PRIu16" nsid %"PRIu32" lbaf %"PRIu8" mset %"PRIu8" pi %"PRIu8" pil %"PRIu8""
+pci_nvme_format_cb(uint16_t cid, uint32_t nsid) "cid %"PRIu16" nsid %"PRIu32""
 pci_nvme_read(uint16_t cid, uint32_t nsid, uint32_t nlb, uint64_t count, uint64_t lba) "cid %"PRIu16" nsid %"PRIu32" nlb %"PRIu32" count %"PRIu64" lba 0x%"PRIx64""
 pci_nvme_write(uint16_t cid, const char *verb, uint32_t nsid, uint32_t nlb, uint64_t count, uint64_t lba) "cid %"PRIu16" opname '%s' nsid %"PRIu32" nlb %"PRIu32" count %"PRIu64" lba 0x%"PRIx64""
 pci_nvme_rw_cb(uint16_t cid, const char *blkname) "cid %"PRIu16" blk '%s'"
