diff options
| -rw-r--r-- | sys/dev/ic/nvmereg.h | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/sys/dev/ic/nvmereg.h b/sys/dev/ic/nvmereg.h index abab2302fe2..2f34c03dbff 100644 --- a/sys/dev/ic/nvmereg.h +++ b/sys/dev/ic/nvmereg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: nvmereg.h,v 1.8 2016/04/13 12:39:52 dlg Exp $ */ +/* $OpenBSD: nvmereg.h,v 1.9 2016/04/13 12:49:24 dlg Exp $ */ /* * Copyright (c) 2014 David Gwynne <dlg@openbsd.org> @@ -131,6 +131,66 @@ struct nvme_sqe { u_int32_t cdw15; } __packed __aligned(8); +struct nvme_sqe_q { + u_int8_t opcode; + u_int8_t flags; + u_int16_t cid; + + u_int8_t _reserved1[20]; + + u_int64_t prp1; + + u_int8_t _reserved2[8]; + + u_int16_t qid; + u_int16_t qsize; + + u_int8_t qflags; +#define NVM_SQE_SQ_QPRIO_URG (0x0 << 1) +#define NVM_SQE_SQ_QPRIO_HI (0x1 << 1) +#define NVM_SQE_SQ_QPRIO_MED (0x2 << 1) +#define NVM_SQE_SQ_QPRIO_LOW (0x3 << 1) +#define NVM_SQE_CQ_IEN (1 << 1) /* interrupt enable */ +#define NVM_SQE_Q_PC (1 << 0) + u_int8_t _reserved3; + u_int16_t cqid; /* XXX interrupt vector for cq */ + + u_int8_t _reserved4[16]; +} __packed __aligned(8); + +struct nvme_sqe_io { + u_int8_t opcode; + u_int8_t flags; + u_int16_t cid; + + u_int32_t nsid; + + u_int8_t _reserved[8]; + + u_int64_t mptr; + + union { + u_int64_t prp[2]; + struct nvme_sge sge; + } __packed entry; + + u_int64_t slba; /* Starting LBA */ + + u_int16_t nlb; /* Number of Logical Blocks */ + u_int16_t ioflags; + + u_int8_t dsm; /* Dataset Management */ + u_int8_t _reserved2[3]; + + u_int32_t eilbrt; /* Expected Initial Logical Block + Reference Tag */ + + u_int16_t elbat; /* Expected Logical Block + Application Tag */ + u_int16_t elbatm; /* Expected Logical Block + Application Tag Mask */ +} __packed __aligned(8); + struct nvme_cqe { u_int32_t cdw0; |