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hw/nvme: basic directives support

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Add support for the Directive Send and Recv commands and the Identify
directive.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Gollu Appalanaidu 2023-02-20 12:59:25 +01:00 • committed by Klaus Jensen
parent 771dbc3ac4
commit e181d3da39
3 changed files with 71 additions and 6 deletions
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35
include/block/nvme.h
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@ -613,7 +613,9 @@ enum NvmeAdminCommands {
NVME_ADM_CMD_ACTIVATE_FW = 0x10,
NVME_ADM_CMD_DOWNLOAD_FW = 0x11,
NVME_ADM_CMD_NS_ATTACHMENT = 0x15,
NVME_ADM_CMD_DIRECTIVE_SEND = 0x19,
NVME_ADM_CMD_VIRT_MNGMT = 0x1c,
NVME_ADM_CMD_DIRECTIVE_RECV = 0x1a,
NVME_ADM_CMD_DBBUF_CONFIG = 0x7c,
NVME_ADM_CMD_FORMAT_NVM = 0x80,
NVME_ADM_CMD_SECURITY_SEND = 0x81,
@ -1161,11 +1163,12 @@ enum NvmeIdCtrlCtratt {
};
enum NvmeIdCtrlOacs {
NVME_OACS_SECURITY = 1 << 0,
NVME_OACS_FORMAT = 1 << 1,
NVME_OACS_FW = 1 << 2,
NVME_OACS_NS_MGMT = 1 << 3,
NVME_OACS_DBBUF = 1 << 8,
NVME_OACS_SECURITY = 1 << 0,
NVME_OACS_FORMAT = 1 << 1,
NVME_OACS_FW = 1 << 2,
NVME_OACS_NS_MGMT = 1 << 3,
NVME_OACS_DIRECTIVES = 1 << 5,
NVME_OACS_DBBUF = 1 << 8,
};
enum NvmeIdCtrlOncs {
@ -1644,6 +1647,27 @@ typedef enum NvmeVirtualResourceType {
NVME_VIRT_RES_INTERRUPT = 0x01,
} NvmeVirtualResourceType;
typedef struct NvmeDirectiveIdentify {
uint8_t supported;
uint8_t unused1[31];
uint8_t enabled;
uint8_t unused33[31];
uint8_t rsvd64[4032];
} NvmeDirectiveIdentify;
enum NvmeDirective {
NVME_DIRECTIVE_SUPPORTED = 0x0,
NVME_DIRECTIVE_ENABLED = 0x1,
};
enum NvmeDirectiveTypes {
NVME_DIRECTIVE_IDENTIFY = 0x0,
};
enum NvmeDirectiveOperations {
NVME_DIRECTIVE_RETURN_PARAMS = 0x1,
};
static inline void _nvme_check_size(void)
{
QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
@ -1683,5 +1707,6 @@ static inline void _nvme_check_size(void)
QEMU_BUILD_BUG_ON(sizeof(NvmeSecCtrlEntry) != 32);
QEMU_BUILD_BUG_ON(sizeof(NvmeSecCtrlList) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeEndGrpLog) != 512);
QEMU_BUILD_BUG_ON(sizeof(NvmeDirectiveIdentify) != 4096);
}
#endif