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Diffstat (limited to 'include/linux/nvme.h')
-rw-r--r--include/linux/nvme.h34
1 files changed, 29 insertions, 5 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 425573202295..7b2ae2e43544 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -25,6 +25,9 @@
#define NVME_NSID_ALL 0xffffffff
+/* Special NSSR value, 'NVMe' */
+#define NVME_SUBSYS_RESET 0x4E564D65
+
enum nvme_subsys_type {
/* Referral to another discovery type target subsystem */
NVME_NQN_DISC = 1,
@@ -85,10 +88,11 @@ enum {
enum {
NVMF_RDMA_QPTYPE_CONNECTED = 1, /* Reliable Connected */
NVMF_RDMA_QPTYPE_DATAGRAM = 2, /* Reliable Datagram */
+ NVMF_RDMA_QPTYPE_INVALID = 0xff,
};
-/* RDMA QP Service Type codes for Discovery Log Page entry TSAS
- * RDMA_QPTYPE field
+/* RDMA Provider Type codes for Discovery Log Page entry TSAS
+ * RDMA_PRTYPE field
*/
enum {
NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 1, /* No Provider Specified */
@@ -110,6 +114,7 @@ enum {
NVMF_TCP_SECTYPE_NONE = 0, /* No Security */
NVMF_TCP_SECTYPE_TLS12 = 1, /* TLSv1.2, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
NVMF_TCP_SECTYPE_TLS13 = 2, /* TLSv1.3, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */
+ NVMF_TCP_SECTYPE_INVALID = 0xff,
};
#define NVME_AQ_DEPTH 32
@@ -480,6 +485,9 @@ enum {
NVME_ID_NS_NVM_STS_MASK = 0x7f,
NVME_ID_NS_NVM_GUARD_SHIFT = 7,
NVME_ID_NS_NVM_GUARD_MASK = 0x3,
+ NVME_ID_NS_NVM_QPIF_SHIFT = 9,
+ NVME_ID_NS_NVM_QPIF_MASK = 0xf,
+ NVME_ID_NS_NVM_QPIFS = 1 << 3,
};
static inline __u8 nvme_elbaf_sts(__u32 elbaf)
@@ -492,6 +500,11 @@ static inline __u8 nvme_elbaf_guard_type(__u32 elbaf)
return (elbaf >> NVME_ID_NS_NVM_GUARD_SHIFT) & NVME_ID_NS_NVM_GUARD_MASK;
}
+static inline __u8 nvme_elbaf_qualified_guard_type(__u32 elbaf)
+{
+ return (elbaf >> NVME_ID_NS_NVM_QPIF_SHIFT) & NVME_ID_NS_NVM_QPIF_MASK;
+}
+
struct nvme_id_ctrl_nvm {
__u8 vsl;
__u8 wzsl;
@@ -571,6 +584,7 @@ enum {
NVME_NVM_NS_16B_GUARD = 0,
NVME_NVM_NS_32B_GUARD = 1,
NVME_NVM_NS_64B_GUARD = 2,
+ NVME_NVM_NS_QTYPE_GUARD = 3,
};
static inline __u8 nvme_lbaf_index(__u8 flbas)
@@ -1846,6 +1860,7 @@ enum {
/*
* Generic Command Status:
*/
+ NVME_SCT_GENERIC = 0x0,
NVME_SC_SUCCESS = 0x0,
NVME_SC_INVALID_OPCODE = 0x1,
NVME_SC_INVALID_FIELD = 0x2,
@@ -1893,6 +1908,7 @@ enum {
/*
* Command Specific Status:
*/
+ NVME_SCT_COMMAND_SPECIFIC = 0x100,
NVME_SC_CQ_INVALID = 0x100,
NVME_SC_QID_INVALID = 0x101,
NVME_SC_QUEUE_SIZE = 0x102,
@@ -1966,6 +1982,7 @@ enum {
/*
* Media and Data Integrity Errors:
*/
+ NVME_SCT_MEDIA_ERROR = 0x200,
NVME_SC_WRITE_FAULT = 0x280,
NVME_SC_READ_ERROR = 0x281,
NVME_SC_GUARD_CHECK = 0x282,
@@ -1978,6 +1995,7 @@ enum {
/*
* Path-related Errors:
*/
+ NVME_SCT_PATH = 0x300,
NVME_SC_INTERNAL_PATH_ERROR = 0x300,
NVME_SC_ANA_PERSISTENT_LOSS = 0x301,
NVME_SC_ANA_INACCESSIBLE = 0x302,
@@ -1986,11 +2004,17 @@ enum {
NVME_SC_HOST_PATH_ERROR = 0x370,
NVME_SC_HOST_ABORTED_CMD = 0x371,
- NVME_SC_CRD = 0x1800,
- NVME_SC_MORE = 0x2000,
- NVME_SC_DNR = 0x4000,
+ NVME_SC_MASK = 0x00ff, /* Status Code */
+ NVME_SCT_MASK = 0x0700, /* Status Code Type */
+ NVME_SCT_SC_MASK = NVME_SCT_MASK | NVME_SC_MASK,
+
+ NVME_STATUS_CRD = 0x1800, /* Command Retry Delayed */
+ NVME_STATUS_MORE = 0x2000,
+ NVME_STATUS_DNR = 0x4000, /* Do Not Retry */
};
+#define NVME_SCT(status) ((status) >> 8 & 7)
+
struct nvme_completion {
/*
* Used by Admin and Fabrics commands to return data: