nvme: introduce NVMe Namespace Identification Descriptor structures
authorJohannes Thumshirn <jthumshirn@suse.de>
Wed, 7 Jun 2017 09:45:30 +0000 (11:45 +0200)
committerChristoph Hellwig <hch@lst.de>
Thu, 15 Jun 2017 12:30:16 +0000 (14:30 +0200)
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
include/linux/nvme.h

index 782d557c55351717b9f35353099b0e42dd44b667..f2344aa923e867782c4d20e882e3cd21e732a887 100644 (file)
@@ -290,6 +290,7 @@ enum {
        NVME_ID_CNS_NS                  = 0x00,
        NVME_ID_CNS_CTRL                = 0x01,
        NVME_ID_CNS_NS_ACTIVE_LIST      = 0x02,
+       NVME_ID_CNS_NS_DESC_LIST        = 0x03,
        NVME_ID_CNS_NS_PRESENT_LIST     = 0x10,
        NVME_ID_CNS_NS_PRESENT          = 0x11,
        NVME_ID_CNS_CTRL_NS_LIST        = 0x12,
@@ -316,6 +317,22 @@ enum {
        NVME_NS_DPS_PI_TYPE3    = 3,
 };
 
+struct nvme_ns_id_desc {
+       __u8 nidt;
+       __u8 nidl;
+       __le16 reserved;
+};
+
+#define NVME_NIDT_EUI64_LEN    8
+#define NVME_NIDT_NGUID_LEN    16
+#define NVME_NIDT_UUID_LEN     16
+
+enum {
+       NVME_NIDT_EUI64         = 0x01,
+       NVME_NIDT_NGUID         = 0x02,
+       NVME_NIDT_UUID          = 0x03,
+};
+
 struct nvme_smart_log {
        __u8                    critical_warning;
        __u8                    temperature[2];