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NVME(4): Add SGL descriptor

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Update #3821.
This commit is contained in:
Sebastian Huber 2019-09-19 07:29:24 +02:00
parent d97f1710db
commit 90a95b575d
1 changed files with 24 additions and 0 deletions
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24
freebsd/sys/dev/nvme/nvme.h
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@ -488,6 +488,20 @@ enum nvme_critical_warning_state {
#define NVME_SS_PAGE_SSTAT_GDE_SHIFT (8)
#define NVME_SS_PAGE_SSTAT_GDE_MASK (0x1)
/* SGL descriptor field definitions */
#define NVME_SGL_IDENT_TYPE_DATA_BLOCK (0)
#define NVME_SGL_IDENT_TYPE_BIT_BUCKET (1)
#define NVME_SGL_IDENT_TYPE_SEG_DESC (2)
#define NVME_SGL_IDENT_TYPE_LAST_SEG_DESC (3)
#define NVME_SGL_IDENT_TYPE_KEYED_DATA_BLOCK (4)
#define NVME_SGL_IDENT_TYPE_VENDOR (0xf)
#define NVME_SGL_IDENT_TYPE_SHIFT (4)
#define NVME_SGL_IDENT_TYPE_MASK (0xf)
#define NVME_SGL_IDENT_SUB_TYPE_ADDRESS (0)
#define NVME_SGL_IDENT_SUB_TYPE_OFFSET (0x1)
#define NVME_SGL_IDENT_SUB_TYPE_SHIFT (0)
#define NVME_SGL_IDENT_SUB_TYPE_MASK (0xf)
/* CC register SHN field values */
enum shn_value {
NVME_SHN_NORMAL = 0x1,
@ -1451,6 +1465,16 @@ struct nvme_resv_status_ext
_Static_assert(sizeof(struct nvme_resv_status_ext) == 64, "bad size for nvme_resv_status_ext");
struct nvme_sgl_desc
{
uint64_t address;
uint32_t length;
uint8_t reserved12[3];
uint8_t sgl_ident;
} __packed __aligned(8);
_Static_assert(sizeof(struct nvme_sgl_desc) == 16, "bad size for nvme_sgl_desc");
#define NVME_TEST_MAX_THREADS 128
struct nvme_io_test {