Add constants for the NVMe persistent command protocol.
The constants include the reservation command opcode and
reservation type values defined in section 7 of the NVMe
2.0 specification.
Signed-off-by: Changqi Lu <luchangqi....@bytedance.com>
Signed-off-by: zhenwei pi <pizhen...@bytedance.com>
---
include/block/nvme.h | 55 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/include/block/nvme.h b/include/block/nvme.h
index bb231d0b9a..42e8b43408 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -633,6 +633,10 @@ enum NvmeIoCommands {
NVME_CMD_WRITE_ZEROES = 0x08,
NVME_CMD_DSM = 0x09,
NVME_CMD_VERIFY = 0x0c,
+ NVME_CMD_RESV_REGISTER = 0x0d,
+ NVME_CMD_RESV_REPORT = 0x0e,
+ NVME_CMD_RESV_ACQUIRE = 0x11,
+ NVME_CMD_RESV_RELEASE = 0x15,
NVME_CMD_IO_MGMT_RECV = 0x12,
NVME_CMD_COPY = 0x19,
NVME_CMD_IO_MGMT_SEND = 0x1d,
@@ -641,6 +645,57 @@ enum NvmeIoCommands {
NVME_CMD_ZONE_APPEND = 0x7d,
};
+typedef enum {
+ NVME_RESV_REGISTER_ACTION_REGISTER = 0x00,
+ NVME_RESV_REGISTER_ACTION_UNREGISTER = 0x01,
+ NVME_RESV_REGISTER_ACTION_REPLACE = 0x02,
+} NVME_RESV_REGISTER_ACTION;
+
+typedef enum {
+ NVME_RESV_RELEASE_ACTION_RELEASE = 0x00,
+ NVME_RESV_RELEASE_ACTION_CLEAR = 0x01,
+} NVME_RESV_RELEASE_ACTION;
+
+typedef enum {
+ NVME_RESV_ACQUIRE_ACTION_ACQUIRE = 0x00,
+ NVME_RESV_ACQUIRE_ACTION_PREEMPT = 0x01,
+ NVME_RESV_ACQUIRE_ACTION_PREEMPT_AND_ABORT = 0x02,
+} NVME_RESV_ACQUIRE_ACTION;
+
+typedef enum {
+ NVME_RESV_WRITE_EXCLUSIVE = 0x01,
+ NVME_RESV_EXCLUSIVE_ACCESS = 0x02,
+ NVME_RESV_WRITE_EXCLUSIVE_REGS_ONLY = 0x03,
+ NVME_RESV_EXCLUSIVE_ACCESS_REGS_ONLY = 0x04,
+ NVME_RESV_WRITE_EXCLUSIVE_ALL_REGS = 0x05,
+ NVME_RESV_EXCLUSIVE_ACCESS_ALL_REGS = 0x06,
+} NVMEResvType;
+
+typedef enum NVMEPrCap {
+ /* Persist Through Power Loss */
+ NVME_PR_CAP_PTPL = 1 << 0,
+ /* Write Exclusive reservation type */
+ NVME_PR_CAP_WR_EX = 1 << 1,
+ /* Exclusive Access reservation type */
+ NVME_PR_CAP_EX_AC = 1 << 2,
+ /* Write Exclusive Registrants Only reservation type */
+ NVME_PR_CAP_WR_EX_RO = 1 << 3,
+ /* Exclusive Access Registrants Only reservation type */
+ NVME_PR_CAP_EX_AC_RO = 1 << 4,
+ /* Write Exclusive All Registrants reservation type */
+ NVME_PR_CAP_WR_EX_AR = 1 << 5,
+ /* Exclusive Access All Registrants reservation type */
+ NVME_PR_CAP_EX_AC_AR = 1 << 6,
+
+ NVME_PR_CAP_ALL = (NVME_PR_CAP_PTPL |
+ NVME_PR_CAP_WR_EX |
+ NVME_PR_CAP_EX_AC |
+ NVME_PR_CAP_WR_EX_RO |
+ NVME_PR_CAP_EX_AC_RO |
+ NVME_PR_CAP_WR_EX_AR |
+ NVME_PR_CAP_EX_AC_AR),
+} NVMEPrCap;
+
typedef struct QEMU_PACKED NvmeDeleteQ {
uint8_t opcode;
uint8_t flags;
--
2.20.1
