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-rw-r--r--sys/include/dev/ic/nvmevar.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/sys/include/dev/ic/nvmevar.h b/sys/include/dev/ic/nvmevar.h
index 355abd8..b16f51d 100644
--- a/sys/include/dev/ic/nvmevar.h
+++ b/sys/include/dev/ic/nvmevar.h
@@ -64,9 +64,41 @@ struct nvme_cq_entry {
uint16_t status;
};
+/* Create I/O completion queue */
+struct nvme_create_iocq_cmd {
+ uint8_t opcode;
+ uint8_t flags;
+ uint16_t cid;
+ uint32_t unused1[5];
+ uint64_t prp1;
+ uint64_t unused2;
+ uint16_t qid;
+ uint16_t qsize;
+ uint16_t qflags;
+ uint16_t irqvec;
+ uint64_t unused3[2];
+};
+
+/* Create I/O submission queue */
+struct nvme_create_iosq_cmd {
+ uint8_t opcode;
+ uint8_t flags;
+ uint16_t cid;
+ uint32_t unused1[5];
+ uint64_t prp1;
+ uint64_t unused2;
+ uint16_t sqid;
+ uint16_t qsize;
+ uint16_t qflags;
+ uint16_t cqid;
+ uint64_t unused3[2];
+};
+
struct nvme_cmd {
union {
struct nvme_identify_cmd identify;
+ struct nvme_create_iocq_cmd create_iocq;
+ struct nvme_create_iosq_cmd create_iosq;
};
};
@@ -126,8 +158,59 @@ struct nvme_id {
uint8_t vs[1024];
};
+struct nvme_lbaf {
+ uint16_t ms; /* Number of metadata bytes per LBA */
+ uint8_t ds; /* Data size */
+ uint8_t rp;
+};
+
+/* Identify namespace data */
+struct nvme_id_ns {
+ uint64_t size;
+ uint64_t capabilities;
+ uint64_t nuse;
+ uint8_t features;
+ uint8_t nlbaf;
+ uint8_t flbas;
+ uint8_t mc;
+ uint8_t dpc;
+ uint8_t dps;
+ uint8_t nmic;
+ uint8_t rescap;
+ uint8_t fpi;
+ uint8_t unused1;
+ uint16_t nawun;
+ uint16_t nawupf;
+ uint16_t nacwu;
+ uint16_t nabsn;
+ uint16_t nabo;
+ uint16_t nabspf;
+ uint16_t unused2;
+ uint64_t nvmcap[2];
+ uint64_t unusued3[5];
+ uint8_t nguid[16];
+ uint8_t eui64[8];
+ struct nvme_lbaf lbaf[16];
+ uint64_t unused3[24];
+ uint8_t vs[3712];
+};
+
+/* NVMe namespace */
+struct nvme_ns {
+ size_t nsid; /* Namespace ID */
+ size_t lba_bsize; /* LBA block size */
+ size_t size; /* Size in logical blocks */
+ struct nvme_queue ioq; /* I/O queue */
+ struct nvme_lbaf lba_fmt; /* LBA format */
+ struct nvme_ctrl *ctrl; /* NVMe controller */
+ TAILQ_ENTRY(nvme_ns) link;
+};
+
struct nvme_ctrl {
struct nvme_queue adminq;
+ struct nvme_bar *bar;
+ uint8_t sqes;
+ uint8_t cqes;
};
#endif /* !_IC_NVMEVAR_H_ */