diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_rdma.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_rdma.c | 148 |
1 files changed, 129 insertions, 19 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 38b1f402f7ed..98455f698f53 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -212,13 +212,22 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) goto free_rdma_port; } + /* Allocate bit map for XRC Domains */ + rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->xrcd_map, + QED_RDMA_MAX_XRCDS, "XRCD"); + if (rc) { + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "Failed to allocate xrcd_map,rc = %d\n", rc); + goto free_pd_map; + } + /* Allocate DPI bitmap */ rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->dpi_map, p_hwfn->dpi_count, "DPI"); if (rc) { DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Failed to allocate DPI bitmap, rc = %d\n", rc); - goto free_pd_map; + goto free_xrcd_map; } /* Allocate bitmap for cq's. The maximum number of CQs is bound to @@ -271,14 +280,27 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) goto free_cid_map; } + /* The first SRQ follows the last XRC SRQ. This means that the + * SRQ IDs start from an offset equals to max_xrc_srqs. + */ + p_rdma_info->srq_id_offset = p_hwfn->p_cxt_mngr->xrc_srq_count; + rc = qed_rdma_bmap_alloc(p_hwfn, + &p_rdma_info->xrc_srq_map, + p_hwfn->p_cxt_mngr->xrc_srq_count, "XRC SRQ"); + if (rc) { + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "Failed to allocate xrc srq bitmap, rc = %d\n", rc); + goto free_real_cid_map; + } + /* Allocate bitmap for srqs */ - p_rdma_info->num_srqs = qed_cxt_get_srq_count(p_hwfn); + p_rdma_info->num_srqs = p_hwfn->p_cxt_mngr->srq_count; rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->srq_map, p_rdma_info->num_srqs, "SRQ"); if (rc) { DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Failed to allocate srq bitmap, rc = %d\n", rc); - goto free_real_cid_map; + goto free_xrc_srq_map; } if (QED_IS_IWARP_PERSONALITY(p_hwfn)) @@ -292,6 +314,8 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) free_srq_map: kfree(p_rdma_info->srq_map.bitmap); +free_xrc_srq_map: + kfree(p_rdma_info->xrc_srq_map.bitmap); free_real_cid_map: kfree(p_rdma_info->real_cid_map.bitmap); free_cid_map: @@ -304,6 +328,8 @@ free_cq_map: kfree(p_rdma_info->cq_map.bitmap); free_dpi_map: kfree(p_rdma_info->dpi_map.bitmap); +free_xrcd_map: + kfree(p_rdma_info->xrcd_map.bitmap); free_pd_map: kfree(p_rdma_info->pd_map.bitmap); free_rdma_port: @@ -377,6 +403,7 @@ static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn) qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tid_map, 1); qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->srq_map, 1); qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->real_cid_map, 1); + qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->xrc_srq_map, 1); kfree(p_rdma_info->port); kfree(p_rdma_info->dev); @@ -612,7 +639,10 @@ static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn, p_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn, QED_RDMA_CNQ_RAM); p_params_header->num_cnqs = params->desired_cnq; - + p_params_header->first_reg_srq_id = + cpu_to_le16(p_hwfn->p_rdma_info->srq_id_offset); + p_params_header->reg_srq_base_addr = + cpu_to_le32(qed_cxt_get_ilt_page_size(p_hwfn, ILT_CLI_TSDM)); if (params->cq_mode == QED_RDMA_CQ_MODE_16_BITS) p_params_header->cq_ring_mode = 1; else @@ -983,6 +1013,41 @@ static void qed_rdma_free_pd(void *rdma_cxt, u16 pd) spin_unlock_bh(&p_hwfn->p_rdma_info->lock); } +static int qed_rdma_alloc_xrcd(void *rdma_cxt, u16 *xrcd_id) +{ + struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt; + u32 returned_id; + int rc; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD\n"); + + spin_lock_bh(&p_hwfn->p_rdma_info->lock); + rc = qed_rdma_bmap_alloc_id(p_hwfn, + &p_hwfn->p_rdma_info->xrcd_map, + &returned_id); + spin_unlock_bh(&p_hwfn->p_rdma_info->lock); + if (rc) { + DP_NOTICE(p_hwfn, "Failed in allocating xrcd id\n"); + return rc; + } + + *xrcd_id = (u16)returned_id; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD - done, rc = %d\n", rc); + return rc; +} + +static void qed_rdma_free_xrcd(void *rdma_cxt, u16 xrcd_id) +{ + struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "xrcd_id = %08x\n", xrcd_id); + + spin_lock_bh(&p_hwfn->p_rdma_info->lock); + qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->xrcd_map, xrcd_id); + spin_unlock_bh(&p_hwfn->p_rdma_info->lock); +} + static enum qed_rdma_toggle_bit qed_rdma_toggle_bit_create_resize_cq(struct qed_hwfn *p_hwfn, u16 icid) { @@ -1306,11 +1371,14 @@ qed_rdma_create_qp(void *rdma_cxt, qp->resp_offloaded = false; qp->e2e_flow_control_en = qp->use_srq ? false : true; qp->stats_queue = in_params->stats_queue; + qp->qp_type = in_params->qp_type; + qp->xrcd_id = in_params->xrcd_id; if (QED_IS_IWARP_PERSONALITY(p_hwfn)) { rc = qed_iwarp_create_qp(p_hwfn, qp, out_params); qp->qpid = qp->icid; } else { + qp->edpm_mode = GET_FIELD(in_params->flags, QED_ROCE_EDPM_MODE); rc = qed_roce_alloc_cid(p_hwfn, &qp->icid); qp->qpid = ((0xFF << 16) | qp->icid); } @@ -1418,6 +1486,18 @@ static int qed_rdma_modify_qp(void *rdma_cxt, qp->cur_state); } + switch (qp->qp_type) { + case QED_RDMA_QP_TYPE_XRC_INI: + qp->has_req = 1; + break; + case QED_RDMA_QP_TYPE_XRC_TGT: + qp->has_resp = 1; + break; + default: + qp->has_req = 1; + qp->has_resp = 1; + } + if (QED_IS_IWARP_PERSONALITY(p_hwfn)) { enum qed_iwarp_qp_state new_state = qed_roce2iwarp_state(qp->cur_state); @@ -1657,6 +1737,15 @@ static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev) return QED_AFFIN_HWFN(cdev); } +static struct qed_bmap *qed_rdma_get_srq_bmap(struct qed_hwfn *p_hwfn, + bool is_xrc) +{ + if (is_xrc) + return &p_hwfn->p_rdma_info->xrc_srq_map; + + return &p_hwfn->p_rdma_info->srq_map; +} + static int qed_rdma_modify_srq(void *rdma_cxt, struct qed_rdma_modify_srq_in_params *in_params) { @@ -1686,8 +1775,8 @@ static int qed_rdma_modify_srq(void *rdma_cxt, if (rc) return rc; - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x", - in_params->srq_id); + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x, is_xrc=%u\n", + in_params->srq_id, in_params->is_xrc); return rc; } @@ -1702,6 +1791,7 @@ qed_rdma_destroy_srq(void *rdma_cxt, struct qed_spq_entry *p_ent; struct qed_bmap *bmap; u16 opaque_fid; + u16 offset; int rc; opaque_fid = p_hwfn->hw_info.opaque_fid; @@ -1723,14 +1813,16 @@ qed_rdma_destroy_srq(void *rdma_cxt, if (rc) return rc; - bmap = &p_hwfn->p_rdma_info->srq_map; + bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc); + offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset; spin_lock_bh(&p_hwfn->p_rdma_info->lock); - qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id); + qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id - offset); spin_unlock_bh(&p_hwfn->p_rdma_info->lock); - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "SRQ destroyed Id = %x", - in_params->srq_id); + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "XRC/SRQ destroyed Id = %x, is_xrc=%u\n", + in_params->srq_id, in_params->is_xrc); return rc; } @@ -1748,24 +1840,26 @@ qed_rdma_create_srq(void *rdma_cxt, u16 opaque_fid, srq_id; struct qed_bmap *bmap; u32 returned_id; + u16 offset; int rc; - bmap = &p_hwfn->p_rdma_info->srq_map; + bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc); spin_lock_bh(&p_hwfn->p_rdma_info->lock); rc = qed_rdma_bmap_alloc_id(p_hwfn, bmap, &returned_id); spin_unlock_bh(&p_hwfn->p_rdma_info->lock); if (rc) { - DP_NOTICE(p_hwfn, "failed to allocate srq id\n"); + DP_NOTICE(p_hwfn, + "failed to allocate xrc/srq id (is_xrc=%u)\n", + in_params->is_xrc); return rc; } - elem_type = QED_ELEM_SRQ; + elem_type = (in_params->is_xrc) ? (QED_ELEM_XRC_SRQ) : (QED_ELEM_SRQ); rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, elem_type, returned_id); if (rc) goto err; - /* returned id is no greater than u16 */ - srq_id = (u16)returned_id; + opaque_fid = p_hwfn->hw_info.opaque_fid; opaque_fid = p_hwfn->hw_info.opaque_fid; @@ -1782,20 +1876,34 @@ qed_rdma_create_srq(void *rdma_cxt, DMA_REGPAIR_LE(p_ramrod->pbl_base_addr, in_params->pbl_base_addr); p_ramrod->pages_in_srq_pbl = cpu_to_le16(in_params->num_pages); p_ramrod->pd_id = cpu_to_le16(in_params->pd_id); - p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id); p_ramrod->srq_id.opaque_fid = cpu_to_le16(opaque_fid); p_ramrod->page_size = cpu_to_le16(in_params->page_size); DMA_REGPAIR_LE(p_ramrod->producers_addr, in_params->prod_pair_addr); + offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset; + srq_id = (u16)returned_id + offset; + p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id); + if (in_params->is_xrc) { + SET_FIELD(p_ramrod->flags, + RDMA_SRQ_CREATE_RAMROD_DATA_XRC_FLAG, 1); + SET_FIELD(p_ramrod->flags, + RDMA_SRQ_CREATE_RAMROD_DATA_RESERVED_KEY_EN, + in_params->reserved_key_en); + p_ramrod->xrc_srq_cq_cid = + cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | + in_params->cq_cid); + p_ramrod->xrc_domain = cpu_to_le16(in_params->xrcd_id); + } rc = qed_spq_post(p_hwfn, p_ent, NULL); if (rc) goto err; out_params->srq_id = srq_id; - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, - "SRQ created Id = %x\n", out_params->srq_id); - + DP_VERBOSE(p_hwfn, + QED_MSG_RDMA, + "XRC/SRQ created Id = %x (is_xrc=%u)\n", + out_params->srq_id, in_params->is_xrc); return rc; err: @@ -1961,6 +2069,8 @@ static const struct qed_rdma_ops qed_rdma_ops_pass = { .rdma_cnq_prod_update = &qed_rdma_cnq_prod_update, .rdma_alloc_pd = &qed_rdma_alloc_pd, .rdma_dealloc_pd = &qed_rdma_free_pd, + .rdma_alloc_xrcd = &qed_rdma_alloc_xrcd, + .rdma_dealloc_xrcd = &qed_rdma_free_xrcd, .rdma_create_cq = &qed_rdma_create_cq, .rdma_destroy_cq = &qed_rdma_destroy_cq, .rdma_create_qp = &qed_rdma_create_qp, |