1 files changed, 33 insertions, 29 deletions

diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c
index 992e5a1..4275c3d 100644
--- a/hw/nvme/ns.c
+++ b/hw/nvme/ns.c
@@ -56,6 +56,7 @@ void nvme_ns_init_format(NvmeNamespace *ns)
 
 static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
 {
+    static uint64_t ns_count;
     NvmeIdNs *id_ns = &ns->id_ns;
     uint8_t ds;
     uint16_t ms;
@@ -73,47 +74,47 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
         id_ns->nmic |= NVME_NMIC_NS_SHARED;
     }
 
+    /* Substitute a missing EUI-64 by an autogenerated one */
+    ++ns_count;
+    if (!ns->params.eui64 && ns->params.eui64_default) {
+        ns->params.eui64 = ns_count + NVME_EUI64_DEFAULT;
+    }
+
     /* simple copy */
     id_ns->mssrl = cpu_to_le16(ns->params.mssrl);
     id_ns->mcl = cpu_to_le32(ns->params.mcl);
     id_ns->msrc = ns->params.msrc;
+    id_ns->eui64 = cpu_to_be64(ns->params.eui64);
 
     ds = 31 - clz32(ns->blkconf.logical_block_size);
     ms = ns->params.ms;
 
-    if (ns->params.ms) {
-        id_ns->mc = 0x3;
-
-        if (ns->params.mset) {
-            id_ns->flbas |= 0x10;
-        }
+    id_ns->mc = NVME_ID_NS_MC_EXTENDED | NVME_ID_NS_MC_SEPARATE;
 
-        id_ns->dpc = 0x1f;
-        id_ns->dps = ((ns->params.pil & 0x1) << 3) | ns->params.pi;
-
-        NvmeLBAF lbaf[16] = {
-            [0] = { .ds =  9           },
-            [1] = { .ds =  9, .ms =  8 },
-            [2] = { .ds =  9, .ms = 16 },
-            [3] = { .ds =  9, .ms = 64 },
-            [4] = { .ds = 12           },
-            [5] = { .ds = 12, .ms =  8 },
-            [6] = { .ds = 12, .ms = 16 },
-            [7] = { .ds = 12, .ms = 64 },
-        };
-
-        memcpy(&id_ns->lbaf, &lbaf, sizeof(lbaf));
-        id_ns->nlbaf = 7;
-    } else {
-        NvmeLBAF lbaf[16] = {
-            [0] = { .ds =  9 },
-            [1] = { .ds = 12 },
-        };
+    if (ms && ns->params.mset) {
+        id_ns->flbas |= NVME_ID_NS_FLBAS_EXTENDED;
+    }
 
-        memcpy(&id_ns->lbaf, &lbaf, sizeof(lbaf));
-        id_ns->nlbaf = 1;
+    id_ns->dpc = 0x1f;
+    id_ns->dps = ns->params.pi;
+    if (ns->params.pi && ns->params.pil) {
+        id_ns->dps |= NVME_ID_NS_DPS_FIRST_EIGHT;
     }
 
+    static const NvmeLBAF lbaf[16] = {
+        [0] = { .ds =  9           },
+        [1] = { .ds =  9, .ms =  8 },
+        [2] = { .ds =  9, .ms = 16 },
+        [3] = { .ds =  9, .ms = 64 },
+        [4] = { .ds = 12           },
+        [5] = { .ds = 12, .ms =  8 },
+        [6] = { .ds = 12, .ms = 16 },
+        [7] = { .ds = 12, .ms = 64 },
+    };
+
+    memcpy(&id_ns->lbaf, &lbaf, sizeof(lbaf));
+    id_ns->nlbaf = 7;
+
     for (i = 0; i <= id_ns->nlbaf; i++) {
         NvmeLBAF *lbaf = &id_ns->lbaf[i];
         if (lbaf->ds == ds) {
@@ -518,6 +519,7 @@ static Property nvme_ns_props[] = {
     DEFINE_PROP_BOOL("shared", NvmeNamespace, params.shared, false),
     DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0),
     DEFINE_PROP_UUID("uuid", NvmeNamespace, params.uuid),
+    DEFINE_PROP_UINT64("eui64", NvmeNamespace, params.eui64, 0),
     DEFINE_PROP_UINT16("ms", NvmeNamespace, params.ms, 0),
     DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0),
     DEFINE_PROP_UINT8("pi", NvmeNamespace, params.pi, 0),
@@ -538,6 +540,8 @@ static Property nvme_ns_props[] = {
                        params.max_open_zones, 0),
     DEFINE_PROP_UINT32("zoned.descr_ext_size", NvmeNamespace,
                        params.zd_extension_size, 0),
+    DEFINE_PROP_BOOL("eui64-default", NvmeNamespace, params.eui64_default,
+                     true),
     DEFINE_PROP_END_OF_LIST(),
 };