diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_sp.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_sp.c | 65 |
1 files changed, 60 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 9328db92fa6d..7e20ae3d2c4f 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -95,11 +95,13 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_cmdqmsg msg = {}; struct creq_query_func_resp_sb *sb; struct bnxt_qplib_rcfw_sbuf sbuf; + struct bnxt_qplib_chip_ctx *cctx; struct cmdq_query_func req = {}; u8 *tqm_alloc; int i, rc; u32 temp; + cctx = rcfw->res->cctx; bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req, CMDQ_BASE_OPCODE_QUERY_FUNC, sizeof(req)); @@ -133,10 +135,13 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, * reporting the max number */ attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1; - attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx) ? - 6 : sb->max_sge; + + attr->max_qp_sges = cctx->modes.wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE ? + min_t(u32, sb->max_sge_var_wqe, BNXT_VAR_MAX_SGE) : 6; attr->max_cq = le32_to_cpu(sb->max_cq); attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); + if (!bnxt_qplib_is_chip_gen_p7(rcfw->res->cctx)) + attr->max_cq_wqes = min_t(u32, BNXT_QPLIB_MAX_CQ_WQES, attr->max_cq_wqes); attr->max_cq_sges = attr->max_qp_sges; attr->max_mr = le32_to_cpu(sb->max_mr); attr->max_mw = le32_to_cpu(sb->max_mw); @@ -154,7 +159,14 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, if (!bnxt_qplib_is_chip_gen_p7(rcfw->res->cctx)) attr->l2_db_size = (sb->l2_db_space_size + 1) * (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); - attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED; + /* + * Read the max gid supported by HW. + * For each entry in HW GID in HW table, we consume 2 + * GID entries in the kernel GID table. So max_gid reported + * to stack can be up to twice the value reported by the HW, up to 256 gids. + */ + attr->max_sgid = le32_to_cpu(sb->max_gid); + attr->max_sgid = min_t(u32, BNXT_QPLIB_NUM_GIDS_SUPPORTED, 2 * attr->max_sgid); attr->dev_cap_flags = le16_to_cpu(sb->dev_cap_flags); attr->dev_cap_flags2 = le16_to_cpu(sb->dev_cap_ext_flags_2); @@ -541,7 +553,7 @@ int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) req.pd_id = cpu_to_le32(mrw->pd->id); req.mrw_flags = mrw->type; if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && - mrw->flags & BNXT_QPLIB_FR_PMR) || + mrw->access_flags & BNXT_QPLIB_FR_PMR) || mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; @@ -653,9 +665,12 @@ int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); - req.access = (mr->flags & 0xFFFF); + req.access = (mr->access_flags & 0xFFFF); req.va = cpu_to_le64(mr->va); req.key = cpu_to_le32(mr->lkey); + if (_is_alloc_mr_unified(res->dattr->dev_cap_flags)) + req.key = cpu_to_le32(mr->pd->id); + req.flags = cpu_to_le16(mr->flags); req.mr_size = cpu_to_le64(mr->total_size); bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req), @@ -664,6 +679,11 @@ int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, if (rc) goto fail; + if (_is_alloc_mr_unified(res->dattr->dev_cap_flags)) { + mr->lkey = le32_to_cpu(resp.xid); + mr->rkey = mr->lkey; + } + return 0; fail: @@ -961,3 +981,38 @@ int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res, rc = bnxt_qplib_rcfw_send_message(res->rcfw, &msg); return rc; } + +int bnxt_qplib_read_context(struct bnxt_qplib_rcfw *rcfw, u8 res_type, + u32 xid, u32 resp_size, void *resp_va) +{ + struct creq_read_context resp = {}; + struct bnxt_qplib_cmdqmsg msg = {}; + struct cmdq_read_context req = {}; + struct bnxt_qplib_rcfw_sbuf sbuf; + int rc; + + sbuf.size = resp_size; + sbuf.sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf.size, + &sbuf.dma_addr, GFP_KERNEL); + if (!sbuf.sb) + return -ENOMEM; + + bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req, + CMDQ_BASE_OPCODE_READ_CONTEXT, sizeof(req)); + req.resp_addr = cpu_to_le64(sbuf.dma_addr); + req.resp_size = resp_size / BNXT_QPLIB_CMDQE_UNITS; + + req.xid = cpu_to_le32(xid); + req.type = res_type; + + bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, &sbuf, sizeof(req), + sizeof(resp), 0); + rc = bnxt_qplib_rcfw_send_message(rcfw, &msg); + if (rc) + goto free_mem; + + memcpy(resp_va, sbuf.sb, resp_size); +free_mem: + dma_free_coherent(&rcfw->pdev->dev, sbuf.size, sbuf.sb, sbuf.dma_addr); + return rc; +} |