hw/block/nvme: add metadata offset helper

Add an nvme_moff() helper.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index dc065e57b5..9349d1c33a 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -107,7 +107,7 @@ typedef struct NvmeNamespace {
     BlockConf    blkconf;
     int32_t      bootindex;
     int64_t      size;
-    int64_t      mdata_offset;
+    int64_t      moff;
     NvmeIdNs     id_ns;
     NvmeLBAF     lbaf;
     size_t       lbasz;
@@ -158,6 +158,11 @@ static inline size_t nvme_m2b(NvmeNamespace *ns, uint64_t lba)
     return ns->lbaf.ms * lba;
 }
 
+static inline int64_t nvme_moff(NvmeNamespace *ns, uint64_t lba)
+{
+    return ns->moff + nvme_m2b(ns, lba);
+}
+
 static inline bool nvme_ns_ext(NvmeNamespace *ns)
 {
     return !!NVME_ID_NS_FLBAS_EXTENDED(ns->id_ns.flbas);