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Diffstat (limited to 'hw/block/nvme.h')
-rw-r--r--hw/block/nvme.h34
1 files changed, 28 insertions, 6 deletions
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index 6520a9f0be..1d30c0bca2 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -1,7 +1,16 @@
 #ifndef HW_NVME_H
 #define HW_NVME_H
+
 #include "block/nvme.h"
 
+typedef struct NvmeParams {
+    char     *serial;
+    uint32_t num_queues; /* deprecated since 5.1 */
+    uint32_t max_ioqpairs;
+    uint16_t msix_qsize;
+    uint32_t cmb_size_mb;
+} NvmeParams;
+
 typedef struct NvmeAsyncEvent {
     QSIMPLEQ_ENTRY(NvmeAsyncEvent) entry;
     NvmeAerResult result;
@@ -53,6 +62,17 @@ typedef struct NvmeNamespace {
     NvmeIdNs        id_ns;
 } NvmeNamespace;
 
+static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns)
+{
+    NvmeIdNs *id_ns = &ns->id_ns;
+    return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
+}
+
+static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns)
+{
+    return nvme_ns_lbaf(ns)->ds;
+}
+
 #define TYPE_NVME "nvme"
 #define NVME(obj) \
         OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME)
@@ -63,6 +83,7 @@ typedef struct NvmeCtrl {
     MemoryRegion ctrl_mem;
     NvmeBar      bar;
     BlockConf    conf;
+    NvmeParams   params;
 
     uint32_t    page_size;
     uint16_t    page_bits;
@@ -71,18 +92,13 @@ typedef struct NvmeCtrl {
     uint16_t    sqe_size;
     uint32_t    reg_size;
     uint32_t    num_namespaces;
-    uint32_t    num_queues;
     uint32_t    max_q_ents;
     uint64_t    ns_size;
-    uint32_t    cmb_size_mb;
-    uint32_t    cmbsz;
-    uint32_t    cmbloc;
     uint8_t     *cmbuf;
-    uint64_t    irq_status;
+    uint32_t    irq_status;
     uint64_t    host_timestamp;                 /* Timestamp sent by the host */
     uint64_t    timestamp_set_qemu_clock_ms;    /* QEMU clock time */
 
-    char            *serial;
     HostMemoryBackend *pmrdev;
 
     NvmeNamespace   *namespaces;
@@ -93,4 +109,10 @@ typedef struct NvmeCtrl {
     NvmeIdCtrl      id_ctrl;
 } NvmeCtrl;
 
+/* calculate the number of LBAs that the namespace can accomodate */
+static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns)
+{
+    return n->ns_size >> nvme_ns_lbads(ns);
+}
+
 #endif /* HW_NVME_H */