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[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
- Re: [PATCH 7/9] hw/nvme: add helper functions for converting reservation types, (continued)
- [PATCH 9/9] block/iscsi: add persistent reservation in/out driver, Changqi Lu, 2024/05/08
- [PATCH 1/9] block: add persistent reservation in/out api, Changqi Lu, 2024/05/08
- [PATCH 5/9] hw/scsi: add persistent reservation in/out api for scsi device, Changqi Lu, 2024/05/08
- [PATCH 3/9] scsi/constant: add persistent reservation in/out protocol constants, Changqi Lu, 2024/05/08
- [PATCH 6/9] block/nvme: add reservation command protocol constants,
Changqi Lu <=
- [PATCH 8/9] hw/nvme: add reservation protocal command, Changqi Lu, 2024/05/08
- Re: [PATCH 0/9] Support persistent reservation operations, Stefan Hajnoczi, 2024/05/09