qemu-block
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PATCH 6/9] block/nvme: add reservation command protocol constants


From: Changqi Lu
Subject: [PATCH 6/9] block/nvme: add reservation command protocol constants
Date: Wed, 8 May 2024 17:36:26 +0800

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.123@bytedance.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
---
 include/block/nvme.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/include/block/nvme.h b/include/block/nvme.h
index bb231d0b9a..3409fba762 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 +645,32 @@ 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 struct QEMU_PACKED NvmeDeleteQ {
     uint8_t     opcode;
     uint8_t     flags;
-- 
2.20.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]