diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/cxio_wr.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_wr.h | 103 |
1 files changed, 81 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h index f1a25a821a45..04618f7bfbb3 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_wr.h +++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h @@ -39,6 +39,9 @@ #define T3_MAX_SGE 4 #define T3_MAX_INLINE 64 +#define T3_STAG0_PBL_SIZE (2 * T3_MAX_SGE << 3) +#define T3_STAG0_MAX_PBE_LEN (128 * 1024 * 1024) +#define T3_STAG0_PAGE_SHIFT 15 #define Q_EMPTY(rptr,wptr) ((rptr)==(wptr)) #define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \ @@ -72,7 +75,8 @@ enum t3_wr_opcode { T3_WR_BIND = FW_WROPCODE_RI_BIND_MW, T3_WR_RCV = FW_WROPCODE_RI_RECEIVE, T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT, - T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP + T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP, + T3_WR_FASTREG = FW_WROPCODE_RI_FASTREGISTER_MR } __attribute__ ((packed)); enum t3_rdma_opcode { @@ -89,7 +93,8 @@ enum t3_rdma_opcode { T3_FAST_REGISTER, T3_LOCAL_INV, T3_QP_MOD, - T3_BYPASS + T3_BYPASS, + T3_RDMA_READ_REQ_WITH_INV, } __attribute__ ((packed)); static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop) @@ -103,6 +108,7 @@ static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop) case T3_WR_BIND: return T3_BIND_MW; case T3_WR_INIT: return T3_RDMA_INIT; case T3_WR_QP_MOD: return T3_QP_MOD; + case T3_WR_FASTREG: return T3_FAST_REGISTER; default: break; } return -1; @@ -170,11 +176,54 @@ struct t3_send_wr { struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */ }; +#define T3_MAX_FASTREG_DEPTH 24 +#define T3_MAX_FASTREG_FRAG 10 + +struct t3_fastreg_wr { + struct fw_riwrh wrh; /* 0 */ + union t3_wrid wrid; /* 1 */ + __be32 stag; /* 2 */ + __be32 len; + __be32 va_base_hi; /* 3 */ + __be32 va_base_lo_fbo; + __be32 page_type_perms; /* 4 */ + __be32 reserved1; + __be64 pbl_addrs[0]; /* 5+ */ +}; + +/* + * If a fastreg wr spans multiple wqes, then the 2nd fragment look like this. + */ +struct t3_pbl_frag { + struct fw_riwrh wrh; /* 0 */ + __be64 pbl_addrs[14]; /* 1..14 */ +}; + +#define S_FR_PAGE_COUNT 24 +#define M_FR_PAGE_COUNT 0xff +#define V_FR_PAGE_COUNT(x) ((x) << S_FR_PAGE_COUNT) +#define G_FR_PAGE_COUNT(x) ((((x) >> S_FR_PAGE_COUNT)) & M_FR_PAGE_COUNT) + +#define S_FR_PAGE_SIZE 16 +#define M_FR_PAGE_SIZE 0x1f +#define V_FR_PAGE_SIZE(x) ((x) << S_FR_PAGE_SIZE) +#define G_FR_PAGE_SIZE(x) ((((x) >> S_FR_PAGE_SIZE)) & M_FR_PAGE_SIZE) + +#define S_FR_TYPE 8 +#define M_FR_TYPE 0x1 +#define V_FR_TYPE(x) ((x) << S_FR_TYPE) +#define G_FR_TYPE(x) ((((x) >> S_FR_TYPE)) & M_FR_TYPE) + +#define S_FR_PERMS 0 +#define M_FR_PERMS 0xff +#define V_FR_PERMS(x) ((x) << S_FR_PERMS) +#define G_FR_PERMS(x) ((((x) >> S_FR_PERMS)) & M_FR_PERMS) + struct t3_local_inv_wr { struct fw_riwrh wrh; /* 0 */ union t3_wrid wrid; /* 1 */ __be32 stag; /* 2 */ - __be32 reserved3; + __be32 reserved; }; struct t3_rdma_write_wr { @@ -193,7 +242,8 @@ struct t3_rdma_read_wr { struct fw_riwrh wrh; /* 0 */ union t3_wrid wrid; /* 1 */ u8 rdmaop; /* 2 */ - u8 reserved[3]; + u8 local_inv; + u8 reserved[2]; __be32 rem_stag; __be64 rem_to; /* 3 */ __be32 local_stag; /* 4 */ @@ -201,18 +251,6 @@ struct t3_rdma_read_wr { __be64 local_to; /* 5 */ }; -enum t3_addr_type { - T3_VA_BASED_TO = 0x0, - T3_ZERO_BASED_TO = 0x1 -} __attribute__ ((packed)); - -enum t3_mem_perms { - T3_MEM_ACCESS_LOCAL_READ = 0x1, - T3_MEM_ACCESS_LOCAL_WRITE = 0x2, - T3_MEM_ACCESS_REM_READ = 0x4, - T3_MEM_ACCESS_REM_WRITE = 0x8 -} __attribute__ ((packed)); - struct t3_bind_mw_wr { struct fw_riwrh wrh; /* 0 */ union t3_wrid wrid; /* 1 */ @@ -336,6 +374,11 @@ struct t3_genbit { __be64 genbit; }; +struct t3_wq_in_err { + u64 flit[13]; + u64 err; +}; + enum rdma_init_wr_flags { MPA_INITIATOR = (1<<0), PRIV_QP = (1<<1), @@ -346,13 +389,16 @@ union t3_wr { struct t3_rdma_write_wr write; struct t3_rdma_read_wr read; struct t3_receive_wr recv; + struct t3_fastreg_wr fastreg; + struct t3_pbl_frag pbl_frag; struct t3_local_inv_wr local_inv; struct t3_bind_mw_wr bind; struct t3_bypass_wr bypass; struct t3_rdma_init_wr init; struct t3_modify_qp_wr qp_mod; struct t3_genbit genbit; - u64 flit[16]; + struct t3_wq_in_err wq_in_err; + __be64 flit[16]; }; #define T3_SQ_CQE_FLIT 13 @@ -366,12 +412,18 @@ static inline enum t3_wr_opcode fw_riwrh_opcode(struct fw_riwrh *wqe) return G_FW_RIWR_OP(be32_to_cpu(wqe->op_seop_flags)); } +enum t3_wr_hdr_bits { + T3_EOP = 1, + T3_SOP = 2, + T3_SOPEOP = T3_EOP|T3_SOP, +}; + static inline void build_fw_riwrh(struct fw_riwrh *wqe, enum t3_wr_opcode op, enum t3_wr_flags flags, u8 genbit, u32 tid, - u8 len) + u8 len, u8 sopeop) { wqe->op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(op) | - V_FW_RIWR_SOPEOP(M_FW_RIWR_SOPEOP) | + V_FW_RIWR_SOPEOP(sopeop) | V_FW_RIWR_FLAGS(flags)); wmb(); wqe->gen_tid_len = cpu_to_be32(V_FW_RIWR_GEN(genbit) | @@ -404,6 +456,7 @@ enum tpt_addr_type { }; enum tpt_mem_perm { + TPT_MW_BIND = 0x10, TPT_LOCAL_READ = 0x8, TPT_LOCAL_WRITE = 0x4, TPT_REMOTE_READ = 0x2, @@ -615,6 +668,11 @@ struct t3_swsq { int signaled; }; +struct t3_swrq { + __u64 wr_id; + __u32 pbl_addr; +}; + /* * A T3 WQ implements both the SQ and RQ. */ @@ -631,14 +689,15 @@ struct t3_wq { u32 sq_wptr; /* sq_wptr - sq_rptr == count of */ u32 sq_rptr; /* pending wrs */ u32 sq_size_log2; /* sq size */ - u64 *rq; /* SW RQ (holds consumer wr_ids */ + struct t3_swrq *rq; /* SW RQ (holds consumer wr_ids */ u32 rq_wptr; /* rq_wptr - rq_rptr == count of */ u32 rq_rptr; /* pending wrs */ - u64 *rq_oldest_wr; /* oldest wr on the SW RQ */ + struct t3_swrq *rq_oldest_wr; /* oldest wr on the SW RQ */ u32 rq_size_log2; /* rq size */ u32 rq_addr; /* rq adapter address */ void __iomem *doorbell; /* kernel db */ u64 udb; /* user db if any */ + struct cxio_rdev *rdev; }; struct t3_cq { @@ -659,7 +718,7 @@ struct t3_cq { static inline void cxio_set_wq_in_error(struct t3_wq *wq) { - wq->queue->flit[13] = 1; + wq->queue->wq_in_err.err = 1; } static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq) |