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block/nvme: Introduce Completion Queue definitions

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Rename Submission Queue flags with 'Sq' to differentiate
submission queue flags from command queue flags, and introduce
Completion Queue flag definitions.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20201029093306.1063879-13-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-10-29 10:32:53 +01:00 committed by Stefan Hajnoczi
parent dfa9c6c656
commit 54248d4d73
1 changed files with 12 additions and 6 deletions
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18
include/block/nvme.h
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@ -501,6 +501,11 @@ typedef struct QEMU_PACKED NvmeCreateCq {
#define NVME_CQ_FLAGS_PC(cq_flags) (cq_flags & 0x1)
#define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
enum NvmeFlagsCq {
NVME_CQ_PC = 1,
NVME_CQ_IEN = 2,
};
typedef struct QEMU_PACKED NvmeCreateSq {
uint8_t opcode;
uint8_t flags;
@ -518,12 +523,13 @@ typedef struct QEMU_PACKED NvmeCreateSq {
#define NVME_SQ_FLAGS_PC(sq_flags) (sq_flags & 0x1)
#define NVME_SQ_FLAGS_QPRIO(sq_flags) ((sq_flags >> 1) & 0x3)
enum NvmeQueueFlags {
NVME_Q_PC = 1,
NVME_Q_PRIO_URGENT = 0,
NVME_Q_PRIO_HIGH = 1,
NVME_Q_PRIO_NORMAL = 2,
NVME_Q_PRIO_LOW = 3,
enum NvmeFlagsSq {
NVME_SQ_PC = 1,
NVME_SQ_PRIO_URGENT = 0,
NVME_SQ_PRIO_HIGH = 1,
NVME_SQ_PRIO_NORMAL = 2,
NVME_SQ_PRIO_LOW = 3,
};
typedef struct QEMU_PACKED NvmeIdentify {