On Thu, Jun 13, 2024 at 03:13:23PM +0800, Changqi Lu wrote:
> 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 | 61 ++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
> diff --git a/include/block/nvme.h b/include/block/nvme.h
> index bb231d0b9a..da6ccb0f3b 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,
Keep NVME_CMD_IO_MGMT_RECV (0x12) before NVME_CMD_RESV_RELEASE (0x15) in
sorted order?
> NVME_CMD_COPY = 0x19,
> NVME_CMD_IO_MGMT_SEND = 0x1d,
> @@ -641,6 +645,63 @@ 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,
> +} NvmeReservationRegisterAction;
> +
> +typedef enum {
> + NVME_RESV_RELEASE_ACTION_RELEASE = 0x00,
> + NVME_RESV_RELEASE_ACTION_CLEAR = 0x01,
> +} NvmeReservationReleaseAction;
> +
> +typedef enum {
> + NVME_RESV_ACQUIRE_ACTION_ACQUIRE = 0x00,
> + NVME_RESV_ACQUIRE_ACTION_PREEMPT = 0x01,
> + NVME_RESV_ACQUIRE_ACTION_PREEMPT_AND_ABORT = 0x02,
> +} NvmeReservationAcquireAction;
> +
> +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 {
> + NVME_RESV_PTPL_NO_CHANGE = 0x00,
> + NVME_RESV_PTPL_DISABLE = 0x02,
> + NVME_RESV_PTPL_ENABLE = 0x03,
> +} NvmeResvPTPL;
> +
> +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
>
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