diff options
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_fp.c | 348 | ||||
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_fp.h | 19 | ||||
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_res.h | 11 |
3 files changed, 207 insertions, 171 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index c5e29577cd43..c9e7be3e5152 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -178,11 +178,11 @@ static void bnxt_qplib_free_qp_hdr_buf(struct bnxt_qplib_res *res, if (qp->rq_hdr_buf) dma_free_coherent(&res->pdev->dev, - rq->hwq.max_elements * qp->rq_hdr_buf_size, + rq->max_wqe * qp->rq_hdr_buf_size, qp->rq_hdr_buf, qp->rq_hdr_buf_map); if (qp->sq_hdr_buf) dma_free_coherent(&res->pdev->dev, - sq->hwq.max_elements * qp->sq_hdr_buf_size, + sq->max_wqe * qp->sq_hdr_buf_size, qp->sq_hdr_buf, qp->sq_hdr_buf_map); qp->rq_hdr_buf = NULL; qp->sq_hdr_buf = NULL; @@ -199,10 +199,9 @@ static int bnxt_qplib_alloc_qp_hdr_buf(struct bnxt_qplib_res *res, struct bnxt_qplib_q *sq = &qp->sq; int rc = 0; - if (qp->sq_hdr_buf_size && sq->hwq.max_elements) { + if (qp->sq_hdr_buf_size && sq->max_wqe) { qp->sq_hdr_buf = dma_alloc_coherent(&res->pdev->dev, - sq->hwq.max_elements * - qp->sq_hdr_buf_size, + sq->max_wqe * qp->sq_hdr_buf_size, &qp->sq_hdr_buf_map, GFP_KERNEL); if (!qp->sq_hdr_buf) { rc = -ENOMEM; @@ -212,9 +211,9 @@ static int bnxt_qplib_alloc_qp_hdr_buf(struct bnxt_qplib_res *res, } } - if (qp->rq_hdr_buf_size && rq->hwq.max_elements) { + if (qp->rq_hdr_buf_size && rq->max_wqe) { qp->rq_hdr_buf = dma_alloc_coherent(&res->pdev->dev, - rq->hwq.max_elements * + rq->max_wqe * qp->rq_hdr_buf_size, &qp->rq_hdr_buf_map, GFP_KERNEL); @@ -784,6 +783,30 @@ done: } /* QP */ + +static int bnxt_qplib_alloc_init_swq(struct bnxt_qplib_q *que) +{ + int rc = 0; + int indx; + + que->swq = kcalloc(que->max_wqe, sizeof(*que->swq), GFP_KERNEL); + if (!que->swq) { + rc = -ENOMEM; + goto out; + } + + que->swq_start = 0; + que->swq_last = que->max_wqe - 1; + for (indx = 0; indx < que->max_wqe; indx++) { + que->swq[indx].slots = 1; + que->swq[indx].next_idx = indx + 1; + } + que->swq[que->swq_last].next_idx = 0; /* Make it circular */ + que->swq_last = 0; +out: + return rc; +} + int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) { struct bnxt_qplib_hwq_attr hwq_attr = {}; @@ -815,20 +838,22 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) if (rc) goto exit; - sq->swq = kcalloc(sq->hwq.max_elements, sizeof(*sq->swq), GFP_KERNEL); - if (!sq->swq) { - rc = -ENOMEM; + rc = bnxt_qplib_alloc_init_swq(sq); + if (rc) goto fail_sq; - } + + req.sq_size = cpu_to_le32(sq->max_wqe); pbl = &sq->hwq.pbl[PBL_LVL_0]; req.sq_pbl = cpu_to_le64(pbl->pg_map_arr[0]); pg_sz_lvl = (bnxt_qplib_base_pg_size(&sq->hwq) << CMDQ_CREATE_QP1_SQ_PG_SIZE_SFT); pg_sz_lvl |= (sq->hwq.level & CMDQ_CREATE_QP1_SQ_LVL_MASK); req.sq_pg_size_sq_lvl = pg_sz_lvl; + req.sq_fwo_sq_sge = + cpu_to_le16((sq->max_sge & CMDQ_CREATE_QP1_SQ_SGE_MASK) << + CMDQ_CREATE_QP1_SQ_SGE_SFT); + req.scq_cid = cpu_to_le32(qp->scq->id); - if (qp->scq) - req.scq_cid = cpu_to_le32(qp->scq->id); /* RQ */ if (rq->max_wqe) { hwq_attr.res = res; @@ -838,41 +863,31 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) hwq_attr.type = HWQ_TYPE_QUEUE; rc = bnxt_qplib_alloc_init_hwq(&rq->hwq, &hwq_attr); if (rc) - goto fail_sq; - - rq->swq = kcalloc(rq->hwq.max_elements, sizeof(*rq->swq), - GFP_KERNEL); - if (!rq->swq) { - rc = -ENOMEM; + goto sq_swq; + rc = bnxt_qplib_alloc_init_swq(rq); + if (rc) goto fail_rq; - } + req.rq_size = cpu_to_le32(rq->max_wqe); pbl = &rq->hwq.pbl[PBL_LVL_0]; req.rq_pbl = cpu_to_le64(pbl->pg_map_arr[0]); pg_sz_lvl = (bnxt_qplib_base_pg_size(&rq->hwq) << CMDQ_CREATE_QP1_RQ_PG_SIZE_SFT); pg_sz_lvl |= (rq->hwq.level & CMDQ_CREATE_QP1_RQ_LVL_MASK); req.rq_pg_size_rq_lvl = pg_sz_lvl; - if (qp->rcq) - req.rcq_cid = cpu_to_le32(qp->rcq->id); + req.rq_fwo_rq_sge = + cpu_to_le16((rq->max_sge & + CMDQ_CREATE_QP1_RQ_SGE_MASK) << + CMDQ_CREATE_QP1_RQ_SGE_SFT); } + req.rcq_cid = cpu_to_le32(qp->rcq->id); /* Header buffer - allow hdr_buf pass in */ rc = bnxt_qplib_alloc_qp_hdr_buf(res, qp); if (rc) { rc = -ENOMEM; - goto fail; + goto rq_rwq; } qp_flags |= CMDQ_CREATE_QP1_QP_FLAGS_RESERVED_LKEY_ENABLE; req.qp_flags = cpu_to_le32(qp_flags); - req.sq_size = cpu_to_le32(sq->hwq.max_elements); - req.rq_size = cpu_to_le32(rq->hwq.max_elements); - - req.sq_fwo_sq_sge = - cpu_to_le16((sq->max_sge & CMDQ_CREATE_QP1_SQ_SGE_MASK) << - CMDQ_CREATE_QP1_SQ_SGE_SFT); - req.rq_fwo_rq_sge = - cpu_to_le16((rq->max_sge & CMDQ_CREATE_QP1_RQ_SGE_MASK) << - CMDQ_CREATE_QP1_RQ_SGE_SFT); - req.pd_id = cpu_to_le32(qp->pd->id); rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, @@ -898,12 +913,14 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) fail: bnxt_qplib_free_qp_hdr_buf(res, qp); +rq_rwq: + kfree(rq->swq); fail_rq: bnxt_qplib_free_hwq(res, &rq->hwq); - kfree(rq->swq); +sq_swq: + kfree(sq->swq); fail_sq: bnxt_qplib_free_hwq(res, &sq->hwq); - kfree(sq->swq); exit: return rc; } @@ -944,12 +961,12 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) struct creq_create_qp_resp resp; int rc, req_size, psn_sz = 0; struct bnxt_qplib_hwq *xrrq; - u16 cmd_flags = 0, max_ssge; struct bnxt_qplib_pbl *pbl; struct cmdq_create_qp req; + u16 cmd_flags = 0; u32 qp_flags = 0; u8 pg_sz_lvl; - u16 max_rsge; + u16 nsge; RCFW_CMD_PREP(req, CREATE_QP, cmd_flags); @@ -976,27 +993,27 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) if (rc) goto exit; - sq->swq = kcalloc(sq->hwq.max_elements, sizeof(*sq->swq), GFP_KERNEL); - if (!sq->swq) { - rc = -ENOMEM; + rc = bnxt_qplib_alloc_init_swq(sq); + if (rc) goto fail_sq; - } if (psn_sz) bnxt_qplib_init_psn_ptr(qp, psn_sz); + req.sq_size = cpu_to_le32(sq->max_wqe); pbl = &sq->hwq.pbl[PBL_LVL_0]; req.sq_pbl = cpu_to_le64(pbl->pg_map_arr[0]); pg_sz_lvl = (bnxt_qplib_base_pg_size(&sq->hwq) << CMDQ_CREATE_QP_SQ_PG_SIZE_SFT); pg_sz_lvl |= (sq->hwq.level & CMDQ_CREATE_QP_SQ_LVL_MASK); req.sq_pg_size_sq_lvl = pg_sz_lvl; - - if (qp->scq) - req.scq_cid = cpu_to_le32(qp->scq->id); + req.sq_fwo_sq_sge = + cpu_to_le16(((sq->max_sge & CMDQ_CREATE_QP_SQ_SGE_MASK) << + CMDQ_CREATE_QP_SQ_SGE_SFT) | 0); + req.scq_cid = cpu_to_le32(qp->scq->id); /* RQ */ - if (rq->max_wqe) { + if (!qp->srq) { hwq_attr.res = res; hwq_attr.sginfo = &rq->sg_info; hwq_attr.stride = rq->wqe_size; @@ -1006,30 +1023,30 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) hwq_attr.type = HWQ_TYPE_QUEUE; rc = bnxt_qplib_alloc_init_hwq(&rq->hwq, &hwq_attr); if (rc) - goto fail_sq; - - rq->swq = kcalloc(rq->hwq.max_elements, sizeof(*rq->swq), - GFP_KERNEL); - if (!rq->swq) { - rc = -ENOMEM; + goto sq_swq; + rc = bnxt_qplib_alloc_init_swq(rq); + if (rc) goto fail_rq; - } + + req.rq_size = cpu_to_le32(rq->max_wqe); pbl = &rq->hwq.pbl[PBL_LVL_0]; req.rq_pbl = cpu_to_le64(pbl->pg_map_arr[0]); pg_sz_lvl = (bnxt_qplib_base_pg_size(&rq->hwq) << CMDQ_CREATE_QP_RQ_PG_SIZE_SFT); pg_sz_lvl |= (rq->hwq.level & CMDQ_CREATE_QP_RQ_LVL_MASK); req.rq_pg_size_rq_lvl = pg_sz_lvl; + nsge = (qp->wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ? + 6 : rq->max_sge; + req.rq_fwo_rq_sge = + cpu_to_le16(((nsge & + CMDQ_CREATE_QP_RQ_SGE_MASK) << + CMDQ_CREATE_QP_RQ_SGE_SFT) | 0); } else { /* SRQ */ - if (qp->srq) { - qp_flags |= CMDQ_CREATE_QP_QP_FLAGS_SRQ_USED; - req.srq_cid = cpu_to_le32(qp->srq->id); - } + qp_flags |= CMDQ_CREATE_QP_QP_FLAGS_SRQ_USED; + req.srq_cid = cpu_to_le32(qp->srq->id); } - - if (qp->rcq) - req.rcq_cid = cpu_to_le32(qp->rcq->id); + req.rcq_cid = cpu_to_le32(qp->rcq->id); qp_flags |= CMDQ_CREATE_QP_QP_FLAGS_RESERVED_LKEY_ENABLE; qp_flags |= CMDQ_CREATE_QP_QP_FLAGS_FR_PMR_ENABLED; @@ -1037,27 +1054,6 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) qp_flags |= CMDQ_CREATE_QP_QP_FLAGS_FORCE_COMPLETION; req.qp_flags = cpu_to_le32(qp_flags); - req.sq_size = cpu_to_le32(sq->hwq.max_elements); - req.rq_size = cpu_to_le32(rq->hwq.max_elements); - qp->sq_hdr_buf = NULL; - qp->rq_hdr_buf = NULL; - - rc = bnxt_qplib_alloc_qp_hdr_buf(res, qp); - if (rc) - goto fail_rq; - - /* CTRL-22434: Irrespective of the requested SGE count on the SQ - * always create the QP with max send sges possible if the requested - * inline size is greater than 0. - */ - max_ssge = qp->max_inline_data ? 6 : sq->max_sge; - req.sq_fwo_sq_sge = cpu_to_le16( - ((max_ssge & CMDQ_CREATE_QP_SQ_SGE_MASK) - << CMDQ_CREATE_QP_SQ_SGE_SFT) | 0); - max_rsge = bnxt_qplib_is_chip_gen_p5(res->cctx) ? 6 : rq->max_sge; - req.rq_fwo_rq_sge = cpu_to_le16( - ((max_rsge & CMDQ_CREATE_QP_RQ_SGE_MASK) - << CMDQ_CREATE_QP_RQ_SGE_SFT) | 0); /* ORRQ and IRRQ */ if (psn_sz) { xrrq = &qp->orrq; @@ -1078,7 +1074,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) hwq_attr.type = HWQ_TYPE_CTX; rc = bnxt_qplib_alloc_init_hwq(xrrq, &hwq_attr); if (rc) - goto fail_buf_free; + goto rq_swq; pbl = &xrrq->pbl[PBL_LVL_0]; req.orrq_addr = cpu_to_le64(pbl->pg_map_arr[0]); @@ -1122,21 +1118,18 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) rcfw->qp_tbl[qp->id].qp_handle = (void *)qp; return 0; - fail: - if (qp->irrq.max_elements) - bnxt_qplib_free_hwq(res, &qp->irrq); + bnxt_qplib_free_hwq(res, &qp->irrq); fail_orrq: - if (qp->orrq.max_elements) - bnxt_qplib_free_hwq(res, &qp->orrq); -fail_buf_free: - bnxt_qplib_free_qp_hdr_buf(res, qp); + bnxt_qplib_free_hwq(res, &qp->orrq); +rq_swq: + kfree(rq->swq); fail_rq: bnxt_qplib_free_hwq(res, &rq->hwq); - kfree(rq->swq); +sq_swq: + kfree(sq->swq); fail_sq: bnxt_qplib_free_hwq(res, &sq->hwq); - kfree(sq->swq); exit: return rc; } @@ -1512,7 +1505,7 @@ void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp, memset(sge, 0, sizeof(*sge)); if (qp->sq_hdr_buf) { - sw_prod = HWQ_CMP(sq->hwq.prod, &sq->hwq); + sw_prod = sq->swq_start; sge->addr = (dma_addr_t)(qp->sq_hdr_buf_map + sw_prod * qp->sq_hdr_buf_size); sge->lkey = 0xFFFFFFFF; @@ -1526,7 +1519,7 @@ u32 bnxt_qplib_get_rq_prod_index(struct bnxt_qplib_qp *qp) { struct bnxt_qplib_q *rq = &qp->rq; - return HWQ_CMP(rq->hwq.prod, &rq->hwq); + return rq->swq_start; } dma_addr_t bnxt_qplib_get_qp_buf_from_index(struct bnxt_qplib_qp *qp, u32 index) @@ -1543,7 +1536,7 @@ void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp, memset(sge, 0, sizeof(*sge)); if (qp->rq_hdr_buf) { - sw_prod = HWQ_CMP(rq->hwq.prod, &rq->hwq); + sw_prod = rq->swq_start; sge->addr = (dma_addr_t)(qp->rq_hdr_buf_map + sw_prod * qp->rq_hdr_buf_size); sge->lkey = 0xFFFFFFFF; @@ -1620,8 +1613,8 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, rc = -ENOMEM; goto done; } - sw_prod = HWQ_CMP(sq->hwq.prod, &sq->hwq); - swq = &sq->swq[sw_prod]; + sw_prod = sq->hwq.prod; + swq = bnxt_qplib_get_swqe(sq, NULL); swq->wr_id = wqe->wr_id; swq->type = wqe->type; swq->flags = wqe->flags; @@ -1831,7 +1824,8 @@ queue_err: swq->flags |= SQ_SEND_FLAGS_SIGNAL_COMP; swq->start_psn = sq->psn & BTH_PSN_MASK; } - sq->hwq.prod++; + bnxt_qplib_swq_mod_start(sq, sw_prod); + bnxt_qplib_hwq_incr_prod(&sq->hwq, 1); qp->wqe_cnt++; done: @@ -1863,6 +1857,7 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, { struct bnxt_qplib_nq_work *nq_work = NULL; struct bnxt_qplib_q *rq = &qp->rq; + struct bnxt_qplib_swq *swq; bool sch_handler = false; struct sq_sge *hw_sge; struct rq_wqe *rqe; @@ -1881,8 +1876,9 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, rc = -EINVAL; goto done; } - sw_prod = HWQ_CMP(rq->hwq.prod, &rq->hwq); - rq->swq[sw_prod].wr_id = wqe->wr_id; + sw_prod = rq->hwq.prod; + swq = bnxt_qplib_get_swqe(rq, NULL); + swq->wr_id = wqe->wr_id; rqe = bnxt_qplib_get_qe(&rq->hwq, sw_prod, NULL); memset(rqe, 0, rq->wqe_size); @@ -1911,10 +1907,12 @@ queue_err: if (sch_handler) { /* Store the ULP info in the software structures */ sw_prod = HWQ_CMP(rq->hwq.prod, &rq->hwq); - rq->swq[sw_prod].wr_id = wqe->wr_id; + swq = bnxt_qplib_get_swqe(rq, NULL); + swq->wr_id = wqe->wr_id; } - rq->hwq.prod++; + bnxt_qplib_swq_mod_start(rq, sw_prod); + bnxt_qplib_hwq_incr_prod(&rq->hwq, 1); if (sch_handler) { nq_work = kzalloc(sizeof(*nq_work), GFP_ATOMIC); if (nq_work) { @@ -2026,20 +2024,19 @@ int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) static int __flush_sq(struct bnxt_qplib_q *sq, struct bnxt_qplib_qp *qp, struct bnxt_qplib_cqe **pcqe, int *budget) { - u32 sw_prod, sw_cons; struct bnxt_qplib_cqe *cqe; + u32 start, last; int rc = 0; /* Now complete all outstanding SQEs with FLUSHED_ERR */ - sw_prod = HWQ_CMP(sq->hwq.prod, &sq->hwq); + start = sq->swq_start; cqe = *pcqe; while (*budget) { - sw_cons = HWQ_CMP(sq->hwq.cons, &sq->hwq); - if (sw_cons == sw_prod) { + last = sq->swq_last; + if (start == last) break; - } /* Skip the FENCE WQE completions */ - if (sq->swq[sw_cons].wr_id == BNXT_QPLIB_FENCE_WRID) { + if (sq->swq[last].wr_id == BNXT_QPLIB_FENCE_WRID) { bnxt_qplib_cancel_phantom_processing(qp); goto skip_compl; } @@ -2047,16 +2044,17 @@ static int __flush_sq(struct bnxt_qplib_q *sq, struct bnxt_qplib_qp *qp, cqe->status = CQ_REQ_STATUS_WORK_REQUEST_FLUSHED_ERR; cqe->opcode = CQ_BASE_CQE_TYPE_REQ; cqe->qp_handle = (u64)(unsigned long)qp; - cqe->wr_id = sq->swq[sw_cons].wr_id; + cqe->wr_id = sq->swq[last].wr_id; cqe->src_qp = qp->id; - cqe->type = sq->swq[sw_cons].type; + cqe->type = sq->swq[last].type; cqe++; (*budget)--; skip_compl: - sq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&sq->hwq, sq->swq[last].slots); + sq->swq_last = sq->swq[last].next_idx; } *pcqe = cqe; - if (!(*budget) && HWQ_CMP(sq->hwq.cons, &sq->hwq) != sw_prod) + if (!(*budget) && sq->swq_last != start) /* Out of budget */ rc = -EAGAIN; @@ -2067,9 +2065,9 @@ static int __flush_rq(struct bnxt_qplib_q *rq, struct bnxt_qplib_qp *qp, struct bnxt_qplib_cqe **pcqe, int *budget) { struct bnxt_qplib_cqe *cqe; - u32 sw_prod, sw_cons; - int rc = 0; + u32 start, last; int opcode = 0; + int rc = 0; switch (qp->type) { case CMDQ_CREATE_QP1_TYPE_GSI: @@ -2085,24 +2083,25 @@ static int __flush_rq(struct bnxt_qplib_q *rq, struct bnxt_qplib_qp *qp, } /* Flush the rest of the RQ */ - sw_prod = HWQ_CMP(rq->hwq.prod, &rq->hwq); + start = rq->swq_start; cqe = *pcqe; while (*budget) { - sw_cons = HWQ_CMP(rq->hwq.cons, &rq->hwq); - if (sw_cons == sw_prod) + last = rq->swq_last; + if (last == start) break; memset(cqe, 0, sizeof(*cqe)); cqe->status = CQ_RES_RC_STATUS_WORK_REQUEST_FLUSHED_ERR; cqe->opcode = opcode; cqe->qp_handle = (unsigned long)qp; - cqe->wr_id = rq->swq[sw_cons].wr_id; + cqe->wr_id = rq->swq[last].wr_id; cqe++; (*budget)--; - rq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&rq->hwq, rq->swq[last].slots); + rq->swq_last = rq->swq[last].next_idx; } *pcqe = cqe; - if (!*budget && HWQ_CMP(rq->hwq.cons, &rq->hwq) != sw_prod) + if (!*budget && rq->swq_last != start) /* Out of budget */ rc = -EAGAIN; @@ -2125,7 +2124,7 @@ void bnxt_qplib_mark_qp_error(void *qp_handle) * CQE is track from sw_cq_cons to max_element but valid only if VALID=1 */ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, - u32 cq_cons, u32 sw_sq_cons, u32 cqe_sq_cons) + u32 cq_cons, u32 swq_last, u32 cqe_sq_cons) { u32 peek_sw_cq_cons, peek_raw_cq_cons, peek_sq_cons_idx; struct bnxt_qplib_q *sq = &qp->sq; @@ -2138,7 +2137,7 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, /* Normal mode */ /* Check for the psn_search marking before completing */ - swq = &sq->swq[sw_sq_cons]; + swq = &sq->swq[swq_last]; if (swq->psn_search && le32_to_cpu(swq->psn_search->flags_next_psn) & 0x80000000) { /* Unmark */ @@ -2147,7 +2146,7 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, & ~0x80000000); dev_dbg(&cq->hwq.pdev->dev, "FP: Process Req cq_cons=0x%x qp=0x%x sq cons sw=0x%x cqe=0x%x marked!\n", - cq_cons, qp->id, sw_sq_cons, cqe_sq_cons); + cq_cons, qp->id, swq_last, cqe_sq_cons); sq->condition = true; sq->send_phantom = true; @@ -2184,9 +2183,10 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, le64_to_cpu (peek_req_hwcqe->qp_handle)); peek_sq = &peek_qp->sq; - peek_sq_cons_idx = HWQ_CMP(le16_to_cpu( - peek_req_hwcqe->sq_cons_idx) - 1 - , &sq->hwq); + peek_sq_cons_idx = + ((le16_to_cpu( + peek_req_hwcqe->sq_cons_idx) + - 1) % sq->max_wqe); /* If the hwcqe's sq's wr_id matches */ if (peek_sq == sq && sq->swq[peek_sq_cons_idx].wr_id == @@ -2214,7 +2214,7 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, } dev_err(&cq->hwq.pdev->dev, "Should not have come here! cq_cons=0x%x qp=0x%x sq cons sw=0x%x hw=0x%x\n", - cq_cons, qp->id, sw_sq_cons, cqe_sq_cons); + cq_cons, qp->id, swq_last, cqe_sq_cons); rc = -EINVAL; } out: @@ -2226,11 +2226,11 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe **pcqe, int *budget, u32 cq_cons, struct bnxt_qplib_qp **lib_qp) { - u32 sw_sq_cons, cqe_sq_cons; struct bnxt_qplib_swq *swq; struct bnxt_qplib_cqe *cqe; struct bnxt_qplib_qp *qp; struct bnxt_qplib_q *sq; + u32 cqe_sq_cons; int rc = 0; qp = (struct bnxt_qplib_qp *)((unsigned long) @@ -2242,14 +2242,7 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, } sq = &qp->sq; - cqe_sq_cons = HWQ_CMP(le16_to_cpu(hwcqe->sq_cons_idx), &sq->hwq); - if (cqe_sq_cons > sq->hwq.max_elements) { - dev_err(&cq->hwq.pdev->dev, - "FP: CQ Process req reported sq_cons_idx 0x%x which exceeded max 0x%x\n", - cqe_sq_cons, sq->hwq.max_elements); - return -EINVAL; - } - + cqe_sq_cons = le16_to_cpu(hwcqe->sq_cons_idx) % sq->max_wqe; if (qp->sq.flushed) { dev_dbg(&cq->hwq.pdev->dev, "%s: QP in Flush QP = %p\n", __func__, qp); @@ -2261,12 +2254,11 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, */ cqe = *pcqe; while (*budget) { - sw_sq_cons = HWQ_CMP(sq->hwq.cons, &sq->hwq); - if (sw_sq_cons == cqe_sq_cons) + if (sq->swq_last == cqe_sq_cons) /* Done */ break; - swq = &sq->swq[sw_sq_cons]; + swq = &sq->swq[sq->swq_last]; memset(cqe, 0, sizeof(*cqe)); cqe->opcode = CQ_BASE_CQE_TYPE_REQ; cqe->qp_handle = (u64)(unsigned long)qp; @@ -2280,12 +2272,12 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, * of the request being signaled or not, it must complete with * the hwcqe error status */ - if (HWQ_CMP((sw_sq_cons + 1), &sq->hwq) == cqe_sq_cons && + if (swq->next_idx == cqe_sq_cons && hwcqe->status != CQ_REQ_STATUS_OK) { cqe->status = hwcqe->status; dev_err(&cq->hwq.pdev->dev, "FP: CQ Processed Req wr_id[%d] = 0x%llx with status 0x%x\n", - sw_sq_cons, cqe->wr_id, cqe->status); + sq->swq_last, cqe->wr_id, cqe->status); cqe++; (*budget)--; bnxt_qplib_mark_qp_error(qp); @@ -2293,7 +2285,7 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, bnxt_qplib_add_flush_qp(qp); } else { /* Before we complete, do WA 9060 */ - if (do_wa9060(qp, cq, cq_cons, sw_sq_cons, + if (do_wa9060(qp, cq, cq_cons, sq->swq_last, cqe_sq_cons)) { *lib_qp = qp; goto out; @@ -2305,13 +2297,14 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, } } skip: - sq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&sq->hwq, swq->slots); + sq->swq_last = swq->next_idx; if (sq->single) break; } out: *pcqe = cqe; - if (HWQ_CMP(sq->hwq.cons, &sq->hwq) != cqe_sq_cons) { + if (sq->swq_last != cqe_sq_cons) { /* Out of budget */ rc = -EAGAIN; goto done; @@ -2386,17 +2379,23 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq, (*budget)--; *pcqe = cqe; } else { + struct bnxt_qplib_swq *swq; + rq = &qp->rq; - if (wr_id_idx >= rq->hwq.max_elements) { + if (wr_id_idx > (rq->max_wqe - 1)) { dev_err(&cq->hwq.pdev->dev, "FP: CQ Process RC wr_id idx 0x%x exceeded RQ max 0x%x\n", - wr_id_idx, rq->hwq.max_elements); + wr_id_idx, rq->max_wqe); return -EINVAL; } - cqe->wr_id = rq->swq[wr_id_idx].wr_id; + if (wr_id_idx != rq->swq_last) + return -EINVAL; + swq = &rq->swq[rq->swq_last]; + cqe->wr_id = swq->wr_id; cqe++; (*budget)--; - rq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots); + rq->swq_last = swq->next_idx; *pcqe = cqe; if (hwcqe->status != CQ_RES_RC_STATUS_OK) { @@ -2467,18 +2466,24 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq, (*budget)--; *pcqe = cqe; } else { + struct bnxt_qplib_swq *swq; + rq = &qp->rq; - if (wr_id_idx >= rq->hwq.max_elements) { + if (wr_id_idx > (rq->max_wqe - 1)) { dev_err(&cq->hwq.pdev->dev, "FP: CQ Process UD wr_id idx 0x%x exceeded RQ max 0x%x\n", - wr_id_idx, rq->hwq.max_elements); + wr_id_idx, rq->max_wqe); return -EINVAL; } - cqe->wr_id = rq->swq[wr_id_idx].wr_id; + if (rq->swq_last != wr_id_idx) + return -EINVAL; + swq = &rq->swq[rq->swq_last]; + cqe->wr_id = swq->wr_id; cqe++; (*budget)--; - rq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots); + rq->swq_last = swq->next_idx; *pcqe = cqe; if (hwcqe->status != CQ_RES_RC_STATUS_OK) { @@ -2569,17 +2574,23 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq, (*budget)--; *pcqe = cqe; } else { + struct bnxt_qplib_swq *swq; + rq = &qp->rq; - if (wr_id_idx >= rq->hwq.max_elements) { + if (wr_id_idx > (rq->max_wqe - 1)) { dev_err(&cq->hwq.pdev->dev, "FP: CQ Process Raw/QP1 RQ wr_id idx 0x%x exceeded RQ max 0x%x\n", - wr_id_idx, rq->hwq.max_elements); + wr_id_idx, rq->max_wqe); return -EINVAL; } - cqe->wr_id = rq->swq[wr_id_idx].wr_id; + if (rq->swq_last != wr_id_idx) + return -EINVAL; + swq = &rq->swq[rq->swq_last]; + cqe->wr_id = swq->wr_id; cqe++; (*budget)--; - rq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots); + rq->swq_last = swq->next_idx; *pcqe = cqe; if (hwcqe->status != CQ_RES_RC_STATUS_OK) { @@ -2601,7 +2612,7 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq, struct bnxt_qplib_qp *qp; struct bnxt_qplib_q *sq, *rq; struct bnxt_qplib_cqe *cqe; - u32 sw_cons = 0, cqe_cons; + u32 swq_last = 0, cqe_cons; int rc = 0; /* Check the Status */ @@ -2627,13 +2638,7 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq, cqe_cons = le16_to_cpu(hwcqe->sq_cons_idx); if (cqe_cons == 0xFFFF) goto do_rq; - - if (cqe_cons > sq->hwq.max_elements) { - dev_err(&cq->hwq.pdev->dev, - "FP: CQ Process terminal reported sq_cons_idx 0x%x which exceeded max 0x%x\n", - cqe_cons, sq->hwq.max_elements); - goto do_rq; - } + cqe_cons %= sq->max_wqe; if (qp->sq.flushed) { dev_dbg(&cq->hwq.pdev->dev, @@ -2647,24 +2652,25 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq, */ cqe = *pcqe; while (*budget) { - sw_cons = HWQ_CMP(sq->hwq.cons, &sq->hwq); - if (sw_cons == cqe_cons) + swq_last = sq->swq_last; + if (swq_last == cqe_cons) break; - if (sq->swq[sw_cons].flags & SQ_SEND_FLAGS_SIGNAL_COMP) { + if (sq->swq[swq_last].flags & SQ_SEND_FLAGS_SIGNAL_COMP) { memset(cqe, 0, sizeof(*cqe)); cqe->status = CQ_REQ_STATUS_OK; cqe->opcode = CQ_BASE_CQE_TYPE_REQ; cqe->qp_handle = (u64)(unsigned long)qp; cqe->src_qp = qp->id; - cqe->wr_id = sq->swq[sw_cons].wr_id; - cqe->type = sq->swq[sw_cons].type; + cqe->wr_id = sq->swq[swq_last].wr_id; + cqe->type = sq->swq[swq_last].type; cqe++; (*budget)--; } - sq->hwq.cons++; + bnxt_qplib_hwq_incr_cons(&sq->hwq, sq->swq[swq_last].slots); + sq->swq_last = sq->swq[swq_last].next_idx; } *pcqe = cqe; - if (!(*budget) && sw_cons != cqe_cons) { + if (!(*budget) && swq_last != cqe_cons) { /* Out of budget */ rc = -EAGAIN; goto sq_done; @@ -2676,10 +2682,10 @@ do_rq: cqe_cons = le16_to_cpu(hwcqe->rq_cons_idx); if (cqe_cons == 0xFFFF) { goto done; - } else if (cqe_cons > rq->hwq.max_elements) { + } else if (cqe_cons > rq->max_wqe - 1) { dev_err(&cq->hwq.pdev->dev, "FP: CQ Processed terminal reported rq_cons_idx 0x%x exceeds max 0x%x\n", - cqe_cons, rq->hwq.max_elements); + cqe_cons, rq->max_wqe); goto done; } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 6146f7dc368c..50e4f79d87d3 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -74,6 +74,7 @@ struct bnxt_qplib_swq { u8 flags; u32 start_psn; u32 next_psn; + u8 slots; struct sq_psn_search *psn_search; struct sq_psn_search_ext *psn_ext; }; @@ -213,6 +214,8 @@ struct bnxt_qplib_q { u32 phantom_cqe_cnt; u32 next_cq_cons; bool flushed; + u32 swq_start; + u32 swq_last; }; struct bnxt_qplib_qp { @@ -490,4 +493,20 @@ int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, int num_cqes); void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp); + +static inline void *bnxt_qplib_get_swqe(struct bnxt_qplib_q *que, u32 *swq_idx) +{ + u32 idx; + + idx = que->swq_start; + if (swq_idx) + *swq_idx = idx; + return &que->swq[idx]; +} + +static inline void bnxt_qplib_swq_mod_start(struct bnxt_qplib_q *que, u32 idx) +{ + que->swq_start = que->swq[idx].next_idx; +} + #endif /* __BNXT_QPLIB_FP_H__ */ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 03a0f29e7432..98df68a475af 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -363,6 +363,17 @@ int bnxt_qplib_alloc_ctx(struct bnxt_qplib_res *res, struct bnxt_qplib_ctx *ctx, bool virt_fn, bool is_p5); +static inline void bnxt_qplib_hwq_incr_prod(struct bnxt_qplib_hwq *hwq, u32 cnt) +{ + hwq->prod = (hwq->prod + cnt) % hwq->depth; +} + +static inline void bnxt_qplib_hwq_incr_cons(struct bnxt_qplib_hwq *hwq, + u32 cnt) +{ + hwq->cons = (hwq->cons + cnt) % hwq->depth; +} + static inline void bnxt_qplib_ring_db32(struct bnxt_qplib_db_info *info, bool arm) { |