151ff1725SRam Amrani /* QLogic qed NIC Driver 2e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 351ff1725SRam Amrani * 451ff1725SRam Amrani * This software is available to you under a choice of one of two 551ff1725SRam Amrani * licenses. You may choose to be licensed under the terms of the GNU 651ff1725SRam Amrani * General Public License (GPL) Version 2, available from the file 751ff1725SRam Amrani * COPYING in the main directory of this source tree, or the 851ff1725SRam Amrani * OpenIB.org BSD license below: 951ff1725SRam Amrani * 1051ff1725SRam Amrani * Redistribution and use in source and binary forms, with or 1151ff1725SRam Amrani * without modification, are permitted provided that the following 1251ff1725SRam Amrani * conditions are met: 1351ff1725SRam Amrani * 1451ff1725SRam Amrani * - Redistributions of source code must retain the above 1551ff1725SRam Amrani * copyright notice, this list of conditions and the following 1651ff1725SRam Amrani * disclaimer. 1751ff1725SRam Amrani * 1851ff1725SRam Amrani * - Redistributions in binary form must reproduce the above 1951ff1725SRam Amrani * copyright notice, this list of conditions and the following 2051ff1725SRam Amrani * disclaimer in the documentation and /or other materials 2151ff1725SRam Amrani * provided with the distribution. 2251ff1725SRam Amrani * 2351ff1725SRam Amrani * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 2451ff1725SRam Amrani * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 2551ff1725SRam Amrani * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 2651ff1725SRam Amrani * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 2751ff1725SRam Amrani * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 2851ff1725SRam Amrani * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 2951ff1725SRam Amrani * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 3051ff1725SRam Amrani * SOFTWARE. 3151ff1725SRam Amrani */ 3251ff1725SRam Amrani #include <linux/types.h> 3351ff1725SRam Amrani #include <asm/byteorder.h> 3451ff1725SRam Amrani #include <linux/bitops.h> 3551ff1725SRam Amrani #include <linux/delay.h> 3651ff1725SRam Amrani #include <linux/dma-mapping.h> 3751ff1725SRam Amrani #include <linux/errno.h> 3851ff1725SRam Amrani #include <linux/io.h> 3951ff1725SRam Amrani #include <linux/kernel.h> 4051ff1725SRam Amrani #include <linux/list.h> 4151ff1725SRam Amrani #include <linux/module.h> 4251ff1725SRam Amrani #include <linux/mutex.h> 4351ff1725SRam Amrani #include <linux/pci.h> 4451ff1725SRam Amrani #include <linux/slab.h> 4551ff1725SRam Amrani #include <linux/spinlock.h> 4651ff1725SRam Amrani #include <linux/string.h> 4761be82b0SDenis Bolotin #include <linux/if_vlan.h> 4851ff1725SRam Amrani #include "qed.h" 4951ff1725SRam Amrani #include "qed_cxt.h" 5061be82b0SDenis Bolotin #include "qed_dcbx.h" 5151ff1725SRam Amrani #include "qed_hsi.h" 5251ff1725SRam Amrani #include "qed_hw.h" 5351ff1725SRam Amrani #include "qed_init_ops.h" 5451ff1725SRam Amrani #include "qed_int.h" 5551ff1725SRam Amrani #include "qed_ll2.h" 5651ff1725SRam Amrani #include "qed_mcp.h" 5751ff1725SRam Amrani #include "qed_reg_addr.h" 587003cdd6SKalderon, Michal #include <linux/qed/qed_rdma_if.h> 59b71b9afdSKalderon, Michal #include "qed_rdma.h" 60b71b9afdSKalderon, Michal #include "qed_roce.h" 618e8dddbaSKalderon, Michal #include "qed_sp.h" 6251ff1725SRam Amrani 63be086e7cSMintz, Yuval static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid); 6451ff1725SRam Amrani 656c9e80eaSMichal Kalderon static int 666c9e80eaSMichal Kalderon qed_roce_async_event(struct qed_hwfn *p_hwfn, 676c9e80eaSMichal Kalderon u8 fw_event_code, 686c9e80eaSMichal Kalderon u16 echo, union event_ring_data *data, u8 fw_return_code) 69be086e7cSMintz, Yuval { 7039dbc646SYuval Bason struct qed_rdma_events events = p_hwfn->p_rdma_info->events; 7139dbc646SYuval Bason 72be086e7cSMintz, Yuval if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) { 73be086e7cSMintz, Yuval u16 icid = 746c9e80eaSMichal Kalderon (u16)le32_to_cpu(data->rdma_data.rdma_destroy_qp_data.cid); 75be086e7cSMintz, Yuval 76be086e7cSMintz, Yuval /* icid release in this async event can occur only if the icid 77be086e7cSMintz, Yuval * was offloaded to the FW. In case it wasn't offloaded this is 78be086e7cSMintz, Yuval * handled in qed_roce_sp_destroy_qp. 79be086e7cSMintz, Yuval */ 80be086e7cSMintz, Yuval qed_roce_free_real_icid(p_hwfn, icid); 81be086e7cSMintz, Yuval } else { 8239dbc646SYuval Bason if (fw_event_code == ROCE_ASYNC_EVENT_SRQ_EMPTY || 8339dbc646SYuval Bason fw_event_code == ROCE_ASYNC_EVENT_SRQ_LIMIT) { 8439dbc646SYuval Bason u16 srq_id = (u16)data->rdma_data.async_handle.lo; 85be086e7cSMintz, Yuval 8639dbc646SYuval Bason events.affiliated_event(events.context, fw_event_code, 8739dbc646SYuval Bason &srq_id); 8839dbc646SYuval Bason } else { 8939dbc646SYuval Bason union rdma_eqe_data rdata = data->rdma_data; 9039dbc646SYuval Bason 9139dbc646SYuval Bason events.affiliated_event(events.context, fw_event_code, 9239dbc646SYuval Bason (void *)&rdata.async_handle); 9339dbc646SYuval Bason } 94be086e7cSMintz, Yuval } 956c9e80eaSMichal Kalderon 966c9e80eaSMichal Kalderon return 0; 9751ff1725SRam Amrani } 9851ff1725SRam Amrani 99898fff12SMichal Kalderon void qed_roce_stop(struct qed_hwfn *p_hwfn) 100898fff12SMichal Kalderon { 101898fff12SMichal Kalderon struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map; 102898fff12SMichal Kalderon int wait_count = 0; 103898fff12SMichal Kalderon 104898fff12SMichal Kalderon /* when destroying a_RoCE QP the control is returned to the user after 105898fff12SMichal Kalderon * the synchronous part. The asynchronous part may take a little longer. 106898fff12SMichal Kalderon * We delay for a short while if an async destroy QP is still expected. 107898fff12SMichal Kalderon * Beyond the added delay we clear the bitmap anyway. 108898fff12SMichal Kalderon */ 109898fff12SMichal Kalderon while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) { 110898fff12SMichal Kalderon msleep(100); 111898fff12SMichal Kalderon if (wait_count++ > 20) { 112898fff12SMichal Kalderon DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n"); 113898fff12SMichal Kalderon break; 114898fff12SMichal Kalderon } 115898fff12SMichal Kalderon } 1166c9e80eaSMichal Kalderon qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE); 117898fff12SMichal Kalderon } 118898fff12SMichal Kalderon 119f1093940SRam Amrani static void qed_rdma_copy_gids(struct qed_rdma_qp *qp, __le32 *src_gid, 120f1093940SRam Amrani __le32 *dst_gid) 121f1093940SRam Amrani { 122f1093940SRam Amrani u32 i; 123f1093940SRam Amrani 124f1093940SRam Amrani if (qp->roce_mode == ROCE_V2_IPV4) { 125f1093940SRam Amrani /* The IPv4 addresses shall be aligned to the highest word. 126f1093940SRam Amrani * The lower words must be zero. 127f1093940SRam Amrani */ 128f1093940SRam Amrani memset(src_gid, 0, sizeof(union qed_gid)); 129f1093940SRam Amrani memset(dst_gid, 0, sizeof(union qed_gid)); 130f1093940SRam Amrani src_gid[3] = cpu_to_le32(qp->sgid.ipv4_addr); 131f1093940SRam Amrani dst_gid[3] = cpu_to_le32(qp->dgid.ipv4_addr); 132f1093940SRam Amrani } else { 133f1093940SRam Amrani /* GIDs and IPv6 addresses coincide in location and size */ 134f1093940SRam Amrani for (i = 0; i < ARRAY_SIZE(qp->sgid.dwords); i++) { 135f1093940SRam Amrani src_gid[i] = cpu_to_le32(qp->sgid.dwords[i]); 136f1093940SRam Amrani dst_gid[i] = cpu_to_le32(qp->dgid.dwords[i]); 137f1093940SRam Amrani } 138f1093940SRam Amrani } 139f1093940SRam Amrani } 140f1093940SRam Amrani 141f1093940SRam Amrani static enum roce_flavor qed_roce_mode_to_flavor(enum roce_mode roce_mode) 142f1093940SRam Amrani { 143f1093940SRam Amrani switch (roce_mode) { 144f1093940SRam Amrani case ROCE_V1: 145d3a31579SNathan Chancellor return PLAIN_ROCE; 146f1093940SRam Amrani case ROCE_V2_IPV4: 147d3a31579SNathan Chancellor return RROCE_IPV4; 148f1093940SRam Amrani case ROCE_V2_IPV6: 149d3a31579SNathan Chancellor return RROCE_IPV6; 150f1093940SRam Amrani default: 151d3a31579SNathan Chancellor return MAX_ROCE_FLAVOR; 152f1093940SRam Amrani } 153f1093940SRam Amrani } 154f1093940SRam Amrani 155bf774d14SYueHaibing static void qed_roce_free_cid_pair(struct qed_hwfn *p_hwfn, u16 cid) 156be086e7cSMintz, Yuval { 157be086e7cSMintz, Yuval spin_lock_bh(&p_hwfn->p_rdma_info->lock); 158be086e7cSMintz, Yuval qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid); 159be086e7cSMintz, Yuval qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid + 1); 160be086e7cSMintz, Yuval spin_unlock_bh(&p_hwfn->p_rdma_info->lock); 161be086e7cSMintz, Yuval } 162be086e7cSMintz, Yuval 163b71b9afdSKalderon, Michal int qed_roce_alloc_cid(struct qed_hwfn *p_hwfn, u16 *cid) 164f1093940SRam Amrani { 165f1093940SRam Amrani struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info; 166f1093940SRam Amrani u32 responder_icid; 167f1093940SRam Amrani u32 requester_icid; 168f1093940SRam Amrani int rc; 169f1093940SRam Amrani 170f1093940SRam Amrani spin_lock_bh(&p_hwfn->p_rdma_info->lock); 171f1093940SRam Amrani rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->cid_map, 172f1093940SRam Amrani &responder_icid); 173f1093940SRam Amrani if (rc) { 174f1093940SRam Amrani spin_unlock_bh(&p_rdma_info->lock); 175f1093940SRam Amrani return rc; 176f1093940SRam Amrani } 177f1093940SRam Amrani 178f1093940SRam Amrani rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->cid_map, 179f1093940SRam Amrani &requester_icid); 180f1093940SRam Amrani 181f1093940SRam Amrani spin_unlock_bh(&p_rdma_info->lock); 182f1093940SRam Amrani if (rc) 183f1093940SRam Amrani goto err; 184f1093940SRam Amrani 185f1093940SRam Amrani /* the two icid's should be adjacent */ 186f1093940SRam Amrani if ((requester_icid - responder_icid) != 1) { 187f1093940SRam Amrani DP_NOTICE(p_hwfn, "Failed to allocate two adjacent qp's'\n"); 188f1093940SRam Amrani rc = -EINVAL; 189f1093940SRam Amrani goto err; 190f1093940SRam Amrani } 191f1093940SRam Amrani 192f1093940SRam Amrani responder_icid += qed_cxt_get_proto_cid_start(p_hwfn, 193f1093940SRam Amrani p_rdma_info->proto); 194f1093940SRam Amrani requester_icid += qed_cxt_get_proto_cid_start(p_hwfn, 195f1093940SRam Amrani p_rdma_info->proto); 196f1093940SRam Amrani 197f1093940SRam Amrani /* If these icids require a new ILT line allocate DMA-able context for 198f1093940SRam Amrani * an ILT page 199f1093940SRam Amrani */ 200f1093940SRam Amrani rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, responder_icid); 201f1093940SRam Amrani if (rc) 202f1093940SRam Amrani goto err; 203f1093940SRam Amrani 204f1093940SRam Amrani rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, requester_icid); 205f1093940SRam Amrani if (rc) 206f1093940SRam Amrani goto err; 207f1093940SRam Amrani 208f1093940SRam Amrani *cid = (u16)responder_icid; 209f1093940SRam Amrani return rc; 210f1093940SRam Amrani 211f1093940SRam Amrani err: 212f1093940SRam Amrani spin_lock_bh(&p_rdma_info->lock); 213f1093940SRam Amrani qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, responder_icid); 214f1093940SRam Amrani qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, requester_icid); 215f1093940SRam Amrani 216f1093940SRam Amrani spin_unlock_bh(&p_rdma_info->lock); 217f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, 218f1093940SRam Amrani "Allocate CID - failed, rc = %d\n", rc); 219f1093940SRam Amrani return rc; 220f1093940SRam Amrani } 221f1093940SRam Amrani 222be086e7cSMintz, Yuval static void qed_roce_set_real_cid(struct qed_hwfn *p_hwfn, u32 cid) 223be086e7cSMintz, Yuval { 224be086e7cSMintz, Yuval spin_lock_bh(&p_hwfn->p_rdma_info->lock); 225be086e7cSMintz, Yuval qed_bmap_set_id(p_hwfn, &p_hwfn->p_rdma_info->real_cid_map, cid); 226be086e7cSMintz, Yuval spin_unlock_bh(&p_hwfn->p_rdma_info->lock); 227be086e7cSMintz, Yuval } 228be086e7cSMintz, Yuval 22961be82b0SDenis Bolotin static u8 qed_roce_get_qp_tc(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) 23061be82b0SDenis Bolotin { 23161be82b0SDenis Bolotin u8 pri, tc = 0; 23261be82b0SDenis Bolotin 23361be82b0SDenis Bolotin if (qp->vlan_id) { 23461be82b0SDenis Bolotin pri = (qp->vlan_id & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; 23561be82b0SDenis Bolotin tc = qed_dcbx_get_priority_tc(p_hwfn, pri); 23661be82b0SDenis Bolotin } 23761be82b0SDenis Bolotin 23861be82b0SDenis Bolotin DP_VERBOSE(p_hwfn, QED_MSG_SP, 23961be82b0SDenis Bolotin "qp icid %u tc: %u (vlan priority %s)\n", 24061be82b0SDenis Bolotin qp->icid, tc, qp->vlan_id ? "enabled" : "disabled"); 24161be82b0SDenis Bolotin 24261be82b0SDenis Bolotin return tc; 24361be82b0SDenis Bolotin } 24461be82b0SDenis Bolotin 245f1093940SRam Amrani static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn, 246f1093940SRam Amrani struct qed_rdma_qp *qp) 247f1093940SRam Amrani { 248f1093940SRam Amrani struct roce_create_qp_resp_ramrod_data *p_ramrod; 24961be82b0SDenis Bolotin u16 regular_latency_queue, low_latency_queue; 250f1093940SRam Amrani struct qed_sp_init_data init_data; 251f1093940SRam Amrani enum roce_flavor roce_flavor; 252f1093940SRam Amrani struct qed_spq_entry *p_ent; 253be086e7cSMintz, Yuval enum protocol_type proto; 254f1093940SRam Amrani int rc; 25561be82b0SDenis Bolotin u8 tc; 256f1093940SRam Amrani 2577bfb399eSYuval Basson if (!qp->has_resp) 2587bfb399eSYuval Basson return 0; 2597bfb399eSYuval Basson 260f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 261f1093940SRam Amrani 262f1093940SRam Amrani /* Allocate DMA-able memory for IRQ */ 263f1093940SRam Amrani qp->irq_num_pages = 1; 264f1093940SRam Amrani qp->irq = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 265f1093940SRam Amrani RDMA_RING_PAGE_SIZE, 266f1093940SRam Amrani &qp->irq_phys_addr, GFP_KERNEL); 267f1093940SRam Amrani if (!qp->irq) { 268f1093940SRam Amrani rc = -ENOMEM; 269f1093940SRam Amrani DP_NOTICE(p_hwfn, 270f1093940SRam Amrani "qed create responder failed: cannot allocate memory (irq). rc = %d\n", 271f1093940SRam Amrani rc); 272f1093940SRam Amrani return rc; 273f1093940SRam Amrani } 274f1093940SRam Amrani 275f1093940SRam Amrani /* Get SPQ entry */ 276f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 277f1093940SRam Amrani init_data.cid = qp->icid; 278f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 279f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 280f1093940SRam Amrani 281f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_QP, 282f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 283f1093940SRam Amrani if (rc) 284f1093940SRam Amrani goto err; 285f1093940SRam Amrani 286f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_create_qp_resp; 287f1093940SRam Amrani 288f1093940SRam Amrani p_ramrod->flags = 0; 289f1093940SRam Amrani 290f1093940SRam Amrani roce_flavor = qed_roce_mode_to_flavor(qp->roce_mode); 291f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 292f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_ROCE_FLAVOR, roce_flavor); 293f1093940SRam Amrani 294f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 295f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_RD_EN, 296f1093940SRam Amrani qp->incoming_rdma_read_en); 297f1093940SRam Amrani 298f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 299f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_WR_EN, 300f1093940SRam Amrani qp->incoming_rdma_write_en); 301f1093940SRam Amrani 302f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 303f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_ATOMIC_EN, 304f1093940SRam Amrani qp->incoming_atomic_en); 305f1093940SRam Amrani 306f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 307f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN, 308f1093940SRam Amrani qp->e2e_flow_control_en); 309f1093940SRam Amrani 310f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 311f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_SRQ_FLG, qp->use_srq); 312f1093940SRam Amrani 313f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 314f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_RESERVED_KEY_EN, 315f1093940SRam Amrani qp->fmr_and_reserved_lkey); 316f1093940SRam Amrani 317f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 318f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER, 319f1093940SRam Amrani qp->min_rnr_nak_timer); 320f1093940SRam Amrani 3217bfb399eSYuval Basson SET_FIELD(p_ramrod->flags, 3227bfb399eSYuval Basson ROCE_CREATE_QP_RESP_RAMROD_DATA_XRC_FLAG, 3237bfb399eSYuval Basson qed_rdma_is_xrc_qp(qp)); 3247bfb399eSYuval Basson 325f1093940SRam Amrani p_ramrod->max_ird = qp->max_rd_atomic_resp; 326f1093940SRam Amrani p_ramrod->traffic_class = qp->traffic_class_tos; 327f1093940SRam Amrani p_ramrod->hop_limit = qp->hop_limit_ttl; 328f1093940SRam Amrani p_ramrod->irq_num_pages = qp->irq_num_pages; 329f1093940SRam Amrani p_ramrod->p_key = cpu_to_le16(qp->pkey); 330f1093940SRam Amrani p_ramrod->flow_label = cpu_to_le32(qp->flow_label); 331f1093940SRam Amrani p_ramrod->dst_qp_id = cpu_to_le32(qp->dest_qp); 332f1093940SRam Amrani p_ramrod->mtu = cpu_to_le16(qp->mtu); 333f1093940SRam Amrani p_ramrod->initial_psn = cpu_to_le32(qp->rq_psn); 334f1093940SRam Amrani p_ramrod->pd = cpu_to_le16(qp->pd); 335f1093940SRam Amrani p_ramrod->rq_num_pages = cpu_to_le16(qp->rq_num_pages); 336f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->rq_pbl_addr, qp->rq_pbl_ptr); 337f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->irq_pbl_addr, qp->irq_phys_addr); 338f1093940SRam Amrani qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid); 339f1093940SRam Amrani p_ramrod->qp_handle_for_async.hi = cpu_to_le32(qp->qp_handle_async.hi); 340f1093940SRam Amrani p_ramrod->qp_handle_for_async.lo = cpu_to_le32(qp->qp_handle_async.lo); 341f1093940SRam Amrani p_ramrod->qp_handle_for_cqe.hi = cpu_to_le32(qp->qp_handle.hi); 342f1093940SRam Amrani p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo); 343f1093940SRam Amrani p_ramrod->cq_cid = cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | 344f1093940SRam Amrani qp->rq_cq_id); 3457bfb399eSYuval Basson p_ramrod->xrc_domain = cpu_to_le16(qp->xrcd_id); 346f1093940SRam Amrani 34761be82b0SDenis Bolotin tc = qed_roce_get_qp_tc(p_hwfn, qp); 34861be82b0SDenis Bolotin regular_latency_queue = qed_get_cm_pq_idx_ofld_mtc(p_hwfn, tc); 34961be82b0SDenis Bolotin low_latency_queue = qed_get_cm_pq_idx_llt_mtc(p_hwfn, tc); 35061be82b0SDenis Bolotin DP_VERBOSE(p_hwfn, QED_MSG_SP, 35161be82b0SDenis Bolotin "qp icid %u pqs: regular_latency %u low_latency %u\n", 35261be82b0SDenis Bolotin qp->icid, regular_latency_queue - CM_TX_PQ_BASE, 35361be82b0SDenis Bolotin low_latency_queue - CM_TX_PQ_BASE); 354be086e7cSMintz, Yuval p_ramrod->regular_latency_phy_queue = 355be086e7cSMintz, Yuval cpu_to_le16(regular_latency_queue); 356be086e7cSMintz, Yuval p_ramrod->low_latency_phy_queue = 35761be82b0SDenis Bolotin cpu_to_le16(low_latency_queue); 358be086e7cSMintz, Yuval 359f1093940SRam Amrani p_ramrod->dpi = cpu_to_le16(qp->dpi); 360f1093940SRam Amrani 361f1093940SRam Amrani qed_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr); 362f1093940SRam Amrani qed_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr); 363f1093940SRam Amrani 364f1093940SRam Amrani p_ramrod->udp_src_port = qp->udp_src_port; 365f1093940SRam Amrani p_ramrod->vlan_id = cpu_to_le16(qp->vlan_id); 366f1093940SRam Amrani p_ramrod->srq_id.srq_idx = cpu_to_le16(qp->srq_id); 367f1093940SRam Amrani p_ramrod->srq_id.opaque_fid = cpu_to_le16(p_hwfn->hw_info.opaque_fid); 368f1093940SRam Amrani 369f1093940SRam Amrani p_ramrod->stats_counter_id = RESC_START(p_hwfn, QED_RDMA_STATS_QUEUE) + 370f1093940SRam Amrani qp->stats_queue; 371f1093940SRam Amrani 372f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 373f1093940SRam Amrani if (rc) 374f1093940SRam Amrani goto err; 375f1093940SRam Amrani 376f1093940SRam Amrani qp->resp_offloaded = true; 377be086e7cSMintz, Yuval qp->cq_prod = 0; 378be086e7cSMintz, Yuval 379be086e7cSMintz, Yuval proto = p_hwfn->p_rdma_info->proto; 380be086e7cSMintz, Yuval qed_roce_set_real_cid(p_hwfn, qp->icid - 381be086e7cSMintz, Yuval qed_cxt_get_proto_cid_start(p_hwfn, proto)); 382f1093940SRam Amrani 383f1093940SRam Amrani return rc; 384f1093940SRam Amrani 385f1093940SRam Amrani err: 386f1093940SRam Amrani DP_NOTICE(p_hwfn, "create responder - failed, rc = %d\n", rc); 387f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, 388f1093940SRam Amrani qp->irq_num_pages * RDMA_RING_PAGE_SIZE, 389f1093940SRam Amrani qp->irq, qp->irq_phys_addr); 390f1093940SRam Amrani 391f1093940SRam Amrani return rc; 392f1093940SRam Amrani } 393f1093940SRam Amrani 394f1093940SRam Amrani static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn, 395f1093940SRam Amrani struct qed_rdma_qp *qp) 396f1093940SRam Amrani { 397f1093940SRam Amrani struct roce_create_qp_req_ramrod_data *p_ramrod; 39861be82b0SDenis Bolotin u16 regular_latency_queue, low_latency_queue; 399f1093940SRam Amrani struct qed_sp_init_data init_data; 400f1093940SRam Amrani enum roce_flavor roce_flavor; 401f1093940SRam Amrani struct qed_spq_entry *p_ent; 402be086e7cSMintz, Yuval enum protocol_type proto; 403f1093940SRam Amrani int rc; 40461be82b0SDenis Bolotin u8 tc; 405f1093940SRam Amrani 4067bfb399eSYuval Basson if (!qp->has_req) 4077bfb399eSYuval Basson return 0; 4087bfb399eSYuval Basson 409f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 410f1093940SRam Amrani 411f1093940SRam Amrani /* Allocate DMA-able memory for ORQ */ 412f1093940SRam Amrani qp->orq_num_pages = 1; 413f1093940SRam Amrani qp->orq = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 414f1093940SRam Amrani RDMA_RING_PAGE_SIZE, 415f1093940SRam Amrani &qp->orq_phys_addr, GFP_KERNEL); 416f1093940SRam Amrani if (!qp->orq) { 417f1093940SRam Amrani rc = -ENOMEM; 418f1093940SRam Amrani DP_NOTICE(p_hwfn, 419f1093940SRam Amrani "qed create requester failed: cannot allocate memory (orq). rc = %d\n", 420f1093940SRam Amrani rc); 421f1093940SRam Amrani return rc; 422f1093940SRam Amrani } 423f1093940SRam Amrani 424f1093940SRam Amrani /* Get SPQ entry */ 425f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 426f1093940SRam Amrani init_data.cid = qp->icid + 1; 427f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 428f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 429f1093940SRam Amrani 430f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, 431f1093940SRam Amrani ROCE_RAMROD_CREATE_QP, 432f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 433f1093940SRam Amrani if (rc) 434f1093940SRam Amrani goto err; 435f1093940SRam Amrani 436f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_create_qp_req; 437f1093940SRam Amrani 438f1093940SRam Amrani p_ramrod->flags = 0; 439f1093940SRam Amrani 440f1093940SRam Amrani roce_flavor = qed_roce_mode_to_flavor(qp->roce_mode); 441f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 442f1093940SRam Amrani ROCE_CREATE_QP_REQ_RAMROD_DATA_ROCE_FLAVOR, roce_flavor); 443f1093940SRam Amrani 444f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 445f1093940SRam Amrani ROCE_CREATE_QP_REQ_RAMROD_DATA_FMR_AND_RESERVED_EN, 446f1093940SRam Amrani qp->fmr_and_reserved_lkey); 447f1093940SRam Amrani 448f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 449f1093940SRam Amrani ROCE_CREATE_QP_REQ_RAMROD_DATA_SIGNALED_COMP, qp->signal_all); 450f1093940SRam Amrani 451f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 452f1093940SRam Amrani ROCE_CREATE_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT, qp->retry_cnt); 453f1093940SRam Amrani 454f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 455f1093940SRam Amrani ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT, 456f1093940SRam Amrani qp->rnr_retry_cnt); 457f1093940SRam Amrani 4587bfb399eSYuval Basson SET_FIELD(p_ramrod->flags, 4597bfb399eSYuval Basson ROCE_CREATE_QP_REQ_RAMROD_DATA_XRC_FLAG, 4607bfb399eSYuval Basson qed_rdma_is_xrc_qp(qp)); 4617bfb399eSYuval Basson 462ff937b91SYuval Basson SET_FIELD(p_ramrod->flags2, 463ff937b91SYuval Basson ROCE_CREATE_QP_REQ_RAMROD_DATA_EDPM_MODE, qp->edpm_mode); 464ff937b91SYuval Basson 465f1093940SRam Amrani p_ramrod->max_ord = qp->max_rd_atomic_req; 466f1093940SRam Amrani p_ramrod->traffic_class = qp->traffic_class_tos; 467f1093940SRam Amrani p_ramrod->hop_limit = qp->hop_limit_ttl; 468f1093940SRam Amrani p_ramrod->orq_num_pages = qp->orq_num_pages; 469f1093940SRam Amrani p_ramrod->p_key = cpu_to_le16(qp->pkey); 470f1093940SRam Amrani p_ramrod->flow_label = cpu_to_le32(qp->flow_label); 471f1093940SRam Amrani p_ramrod->dst_qp_id = cpu_to_le32(qp->dest_qp); 472f1093940SRam Amrani p_ramrod->ack_timeout_val = cpu_to_le32(qp->ack_timeout); 473f1093940SRam Amrani p_ramrod->mtu = cpu_to_le16(qp->mtu); 474f1093940SRam Amrani p_ramrod->initial_psn = cpu_to_le32(qp->sq_psn); 475f1093940SRam Amrani p_ramrod->pd = cpu_to_le16(qp->pd); 476f1093940SRam Amrani p_ramrod->sq_num_pages = cpu_to_le16(qp->sq_num_pages); 477f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->sq_pbl_addr, qp->sq_pbl_ptr); 478f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->orq_pbl_addr, qp->orq_phys_addr); 479f1093940SRam Amrani qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid); 480f1093940SRam Amrani p_ramrod->qp_handle_for_async.hi = cpu_to_le32(qp->qp_handle_async.hi); 481f1093940SRam Amrani p_ramrod->qp_handle_for_async.lo = cpu_to_le32(qp->qp_handle_async.lo); 482f1093940SRam Amrani p_ramrod->qp_handle_for_cqe.hi = cpu_to_le32(qp->qp_handle.hi); 483f1093940SRam Amrani p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo); 484be086e7cSMintz, Yuval p_ramrod->cq_cid = 485be086e7cSMintz, Yuval cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | qp->sq_cq_id); 486f1093940SRam Amrani 48761be82b0SDenis Bolotin tc = qed_roce_get_qp_tc(p_hwfn, qp); 48861be82b0SDenis Bolotin regular_latency_queue = qed_get_cm_pq_idx_ofld_mtc(p_hwfn, tc); 48961be82b0SDenis Bolotin low_latency_queue = qed_get_cm_pq_idx_llt_mtc(p_hwfn, tc); 49061be82b0SDenis Bolotin DP_VERBOSE(p_hwfn, QED_MSG_SP, 49161be82b0SDenis Bolotin "qp icid %u pqs: regular_latency %u low_latency %u\n", 49261be82b0SDenis Bolotin qp->icid, regular_latency_queue - CM_TX_PQ_BASE, 49361be82b0SDenis Bolotin low_latency_queue - CM_TX_PQ_BASE); 494be086e7cSMintz, Yuval p_ramrod->regular_latency_phy_queue = 495be086e7cSMintz, Yuval cpu_to_le16(regular_latency_queue); 496be086e7cSMintz, Yuval p_ramrod->low_latency_phy_queue = 49761be82b0SDenis Bolotin cpu_to_le16(low_latency_queue); 498be086e7cSMintz, Yuval 499f1093940SRam Amrani p_ramrod->dpi = cpu_to_le16(qp->dpi); 500f1093940SRam Amrani 501f1093940SRam Amrani qed_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr); 502f1093940SRam Amrani qed_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr); 503f1093940SRam Amrani 504f1093940SRam Amrani p_ramrod->udp_src_port = qp->udp_src_port; 505f1093940SRam Amrani p_ramrod->vlan_id = cpu_to_le16(qp->vlan_id); 506f1093940SRam Amrani p_ramrod->stats_counter_id = RESC_START(p_hwfn, QED_RDMA_STATS_QUEUE) + 507f1093940SRam Amrani qp->stats_queue; 508f1093940SRam Amrani 509f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 510f1093940SRam Amrani if (rc) 511f1093940SRam Amrani goto err; 512f1093940SRam Amrani 513f1093940SRam Amrani qp->req_offloaded = true; 514be086e7cSMintz, Yuval proto = p_hwfn->p_rdma_info->proto; 515be086e7cSMintz, Yuval qed_roce_set_real_cid(p_hwfn, 516be086e7cSMintz, Yuval qp->icid + 1 - 517be086e7cSMintz, Yuval qed_cxt_get_proto_cid_start(p_hwfn, proto)); 518f1093940SRam Amrani 519f1093940SRam Amrani return rc; 520f1093940SRam Amrani 521f1093940SRam Amrani err: 522f1093940SRam Amrani DP_NOTICE(p_hwfn, "Create requested - failed, rc = %d\n", rc); 523f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, 524f1093940SRam Amrani qp->orq_num_pages * RDMA_RING_PAGE_SIZE, 525f1093940SRam Amrani qp->orq, qp->orq_phys_addr); 526f1093940SRam Amrani return rc; 527f1093940SRam Amrani } 528f1093940SRam Amrani 529f1093940SRam Amrani static int qed_roce_sp_modify_responder(struct qed_hwfn *p_hwfn, 530f1093940SRam Amrani struct qed_rdma_qp *qp, 531f1093940SRam Amrani bool move_to_err, u32 modify_flags) 532f1093940SRam Amrani { 533f1093940SRam Amrani struct roce_modify_qp_resp_ramrod_data *p_ramrod; 534f1093940SRam Amrani struct qed_sp_init_data init_data; 535f1093940SRam Amrani struct qed_spq_entry *p_ent; 536f1093940SRam Amrani int rc; 537f1093940SRam Amrani 5387bfb399eSYuval Basson if (!qp->has_resp) 5397bfb399eSYuval Basson return 0; 5407bfb399eSYuval Basson 541f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 542f1093940SRam Amrani 543f1093940SRam Amrani if (move_to_err && !qp->resp_offloaded) 544f1093940SRam Amrani return 0; 545f1093940SRam Amrani 546f1093940SRam Amrani /* Get SPQ entry */ 547f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 548f1093940SRam Amrani init_data.cid = qp->icid; 549f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 550f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 551f1093940SRam Amrani 552f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, 553f1093940SRam Amrani ROCE_EVENT_MODIFY_QP, 554f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 555f1093940SRam Amrani if (rc) { 556f1093940SRam Amrani DP_NOTICE(p_hwfn, "rc = %d\n", rc); 557f1093940SRam Amrani return rc; 558f1093940SRam Amrani } 559f1093940SRam Amrani 560f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_modify_qp_resp; 561f1093940SRam Amrani 562f1093940SRam Amrani p_ramrod->flags = 0; 563f1093940SRam Amrani 564f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 565f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_MOVE_TO_ERR_FLG, move_to_err); 566f1093940SRam Amrani 567f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 568f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_RD_EN, 569f1093940SRam Amrani qp->incoming_rdma_read_en); 570f1093940SRam Amrani 571f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 572f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_WR_EN, 573f1093940SRam Amrani qp->incoming_rdma_write_en); 574f1093940SRam Amrani 575f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 576f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_ATOMIC_EN, 577f1093940SRam Amrani qp->incoming_atomic_en); 578f1093940SRam Amrani 579f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 580f1093940SRam Amrani ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN, 581f1093940SRam Amrani qp->e2e_flow_control_en); 582f1093940SRam Amrani 583f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 584f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_OPS_EN_FLG, 585f1093940SRam Amrani GET_FIELD(modify_flags, 586f1093940SRam Amrani QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN)); 587f1093940SRam Amrani 588f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 589f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_P_KEY_FLG, 590f1093940SRam Amrani GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_PKEY)); 591f1093940SRam Amrani 592f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 593f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_ADDRESS_VECTOR_FLG, 594f1093940SRam Amrani GET_FIELD(modify_flags, 595f1093940SRam Amrani QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR)); 596f1093940SRam Amrani 597f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 598f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_MAX_IRD_FLG, 599f1093940SRam Amrani GET_FIELD(modify_flags, 600f1093940SRam Amrani QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP)); 601f1093940SRam Amrani 602f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 603f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER_FLG, 604f1093940SRam Amrani GET_FIELD(modify_flags, 605f1093940SRam Amrani QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER)); 606f1093940SRam Amrani 607f1093940SRam Amrani p_ramrod->fields = 0; 608f1093940SRam Amrani SET_FIELD(p_ramrod->fields, 609f1093940SRam Amrani ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER, 610f1093940SRam Amrani qp->min_rnr_nak_timer); 611f1093940SRam Amrani 612f1093940SRam Amrani p_ramrod->max_ird = qp->max_rd_atomic_resp; 613f1093940SRam Amrani p_ramrod->traffic_class = qp->traffic_class_tos; 614f1093940SRam Amrani p_ramrod->hop_limit = qp->hop_limit_ttl; 615f1093940SRam Amrani p_ramrod->p_key = cpu_to_le16(qp->pkey); 616f1093940SRam Amrani p_ramrod->flow_label = cpu_to_le32(qp->flow_label); 617f1093940SRam Amrani p_ramrod->mtu = cpu_to_le16(qp->mtu); 618f1093940SRam Amrani qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid); 619f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 620f1093940SRam Amrani 621f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify responder, rc = %d\n", rc); 622f1093940SRam Amrani return rc; 623f1093940SRam Amrani } 624f1093940SRam Amrani 625f1093940SRam Amrani static int qed_roce_sp_modify_requester(struct qed_hwfn *p_hwfn, 626f1093940SRam Amrani struct qed_rdma_qp *qp, 627f1093940SRam Amrani bool move_to_sqd, 628f1093940SRam Amrani bool move_to_err, u32 modify_flags) 629f1093940SRam Amrani { 630f1093940SRam Amrani struct roce_modify_qp_req_ramrod_data *p_ramrod; 631f1093940SRam Amrani struct qed_sp_init_data init_data; 632f1093940SRam Amrani struct qed_spq_entry *p_ent; 633f1093940SRam Amrani int rc; 634f1093940SRam Amrani 6357bfb399eSYuval Basson if (!qp->has_req) 6367bfb399eSYuval Basson return 0; 6377bfb399eSYuval Basson 638f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 639f1093940SRam Amrani 640f1093940SRam Amrani if (move_to_err && !(qp->req_offloaded)) 641f1093940SRam Amrani return 0; 642f1093940SRam Amrani 643f1093940SRam Amrani /* Get SPQ entry */ 644f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 645f1093940SRam Amrani init_data.cid = qp->icid + 1; 646f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 647f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 648f1093940SRam Amrani 649f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, 650f1093940SRam Amrani ROCE_EVENT_MODIFY_QP, 651f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 652f1093940SRam Amrani if (rc) { 653f1093940SRam Amrani DP_NOTICE(p_hwfn, "rc = %d\n", rc); 654f1093940SRam Amrani return rc; 655f1093940SRam Amrani } 656f1093940SRam Amrani 657f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_modify_qp_req; 658f1093940SRam Amrani 659f1093940SRam Amrani p_ramrod->flags = 0; 660f1093940SRam Amrani 661f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 662f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_ERR_FLG, move_to_err); 663f1093940SRam Amrani 664f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 665f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_SQD_FLG, move_to_sqd); 666f1093940SRam Amrani 667f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 668f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_EN_SQD_ASYNC_NOTIFY, 669f1093940SRam Amrani qp->sqd_async); 670f1093940SRam Amrani 671f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 672f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_P_KEY_FLG, 673f1093940SRam Amrani GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_PKEY)); 674f1093940SRam Amrani 675f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 676f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_ADDRESS_VECTOR_FLG, 677f1093940SRam Amrani GET_FIELD(modify_flags, 678f1093940SRam Amrani QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR)); 679f1093940SRam Amrani 680f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 681f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_MAX_ORD_FLG, 682f1093940SRam Amrani GET_FIELD(modify_flags, 683f1093940SRam Amrani QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ)); 684f1093940SRam Amrani 685f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 686f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT_FLG, 687f1093940SRam Amrani GET_FIELD(modify_flags, 688f1093940SRam Amrani QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT)); 689f1093940SRam Amrani 690f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 691f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT_FLG, 692f1093940SRam Amrani GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_RETRY_CNT)); 693f1093940SRam Amrani 694f1093940SRam Amrani SET_FIELD(p_ramrod->flags, 695f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_ACK_TIMEOUT_FLG, 696f1093940SRam Amrani GET_FIELD(modify_flags, 697f1093940SRam Amrani QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT)); 698f1093940SRam Amrani 699f1093940SRam Amrani p_ramrod->fields = 0; 700f1093940SRam Amrani SET_FIELD(p_ramrod->fields, 701f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT, qp->retry_cnt); 702f1093940SRam Amrani 703f1093940SRam Amrani SET_FIELD(p_ramrod->fields, 704f1093940SRam Amrani ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT, 705f1093940SRam Amrani qp->rnr_retry_cnt); 706f1093940SRam Amrani 707f1093940SRam Amrani p_ramrod->max_ord = qp->max_rd_atomic_req; 708f1093940SRam Amrani p_ramrod->traffic_class = qp->traffic_class_tos; 709f1093940SRam Amrani p_ramrod->hop_limit = qp->hop_limit_ttl; 710f1093940SRam Amrani p_ramrod->p_key = cpu_to_le16(qp->pkey); 711f1093940SRam Amrani p_ramrod->flow_label = cpu_to_le32(qp->flow_label); 712f1093940SRam Amrani p_ramrod->ack_timeout_val = cpu_to_le32(qp->ack_timeout); 713f1093940SRam Amrani p_ramrod->mtu = cpu_to_le16(qp->mtu); 714f1093940SRam Amrani qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid); 715f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 716f1093940SRam Amrani 717f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify requester, rc = %d\n", rc); 718f1093940SRam Amrani return rc; 719f1093940SRam Amrani } 720f1093940SRam Amrani 721f1093940SRam Amrani static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn, 722f1093940SRam Amrani struct qed_rdma_qp *qp, 723be086e7cSMintz, Yuval u32 *cq_prod) 724f1093940SRam Amrani { 725f1093940SRam Amrani struct roce_destroy_qp_resp_output_params *p_ramrod_res; 726f1093940SRam Amrani struct roce_destroy_qp_resp_ramrod_data *p_ramrod; 727f1093940SRam Amrani struct qed_sp_init_data init_data; 728f1093940SRam Amrani struct qed_spq_entry *p_ent; 729f1093940SRam Amrani dma_addr_t ramrod_res_phys; 730f1093940SRam Amrani int rc; 731f1093940SRam Amrani 7327bfb399eSYuval Basson if (!qp->has_resp) { 7337bfb399eSYuval Basson *cq_prod = 0; 7347bfb399eSYuval Basson return 0; 7357bfb399eSYuval Basson } 7367bfb399eSYuval Basson 737f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 738be086e7cSMintz, Yuval *cq_prod = qp->cq_prod; 739be086e7cSMintz, Yuval 740be086e7cSMintz, Yuval if (!qp->resp_offloaded) { 741be086e7cSMintz, Yuval /* If a responder was never offload, we need to free the cids 742be086e7cSMintz, Yuval * allocated in create_qp as a FW async event will never arrive 743be086e7cSMintz, Yuval */ 744be086e7cSMintz, Yuval u32 cid; 745be086e7cSMintz, Yuval 746be086e7cSMintz, Yuval cid = qp->icid - 747be086e7cSMintz, Yuval qed_cxt_get_proto_cid_start(p_hwfn, 748be086e7cSMintz, Yuval p_hwfn->p_rdma_info->proto); 749be086e7cSMintz, Yuval qed_roce_free_cid_pair(p_hwfn, (u16)cid); 750be086e7cSMintz, Yuval 751f1093940SRam Amrani return 0; 752be086e7cSMintz, Yuval } 753f1093940SRam Amrani 754f1093940SRam Amrani /* Get SPQ entry */ 755f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 756f1093940SRam Amrani init_data.cid = qp->icid; 757f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 758f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 759f1093940SRam Amrani 760f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, 761f1093940SRam Amrani ROCE_RAMROD_DESTROY_QP, 762f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 763f1093940SRam Amrani if (rc) 764f1093940SRam Amrani return rc; 765f1093940SRam Amrani 766f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp; 767f1093940SRam Amrani 768745e5ad5SAishwarya Ramakrishnan p_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 769745e5ad5SAishwarya Ramakrishnan sizeof(*p_ramrod_res), 770f1093940SRam Amrani &ramrod_res_phys, GFP_KERNEL); 771f1093940SRam Amrani 772f1093940SRam Amrani if (!p_ramrod_res) { 773f1093940SRam Amrani rc = -ENOMEM; 774f1093940SRam Amrani DP_NOTICE(p_hwfn, 775f1093940SRam Amrani "qed destroy responder failed: cannot allocate memory (ramrod). rc = %d\n", 776f1093940SRam Amrani rc); 777fb5e7438SDenis Bolotin qed_sp_destroy_request(p_hwfn, p_ent); 778f1093940SRam Amrani return rc; 779f1093940SRam Amrani } 780f1093940SRam Amrani 781f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys); 782f1093940SRam Amrani 783f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 784f1093940SRam Amrani if (rc) 785f1093940SRam Amrani goto err; 786f1093940SRam Amrani 787be086e7cSMintz, Yuval *cq_prod = le32_to_cpu(p_ramrod_res->cq_prod); 788be086e7cSMintz, Yuval qp->cq_prod = *cq_prod; 789f1093940SRam Amrani 790f1093940SRam Amrani /* Free IRQ - only if ramrod succeeded, in case FW is still using it */ 791f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, 792f1093940SRam Amrani qp->irq_num_pages * RDMA_RING_PAGE_SIZE, 793f1093940SRam Amrani qp->irq, qp->irq_phys_addr); 794f1093940SRam Amrani 795f1093940SRam Amrani qp->resp_offloaded = false; 796f1093940SRam Amrani 797f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroy responder, rc = %d\n", rc); 798f1093940SRam Amrani 799f1093940SRam Amrani err: 800f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, 801f1093940SRam Amrani sizeof(struct roce_destroy_qp_resp_output_params), 802f1093940SRam Amrani p_ramrod_res, ramrod_res_phys); 803f1093940SRam Amrani 804f1093940SRam Amrani return rc; 805f1093940SRam Amrani } 806f1093940SRam Amrani 807f1093940SRam Amrani static int qed_roce_sp_destroy_qp_requester(struct qed_hwfn *p_hwfn, 808d52c89f1SMichal Kalderon struct qed_rdma_qp *qp) 809f1093940SRam Amrani { 810f1093940SRam Amrani struct roce_destroy_qp_req_output_params *p_ramrod_res; 811f1093940SRam Amrani struct roce_destroy_qp_req_ramrod_data *p_ramrod; 812f1093940SRam Amrani struct qed_sp_init_data init_data; 813f1093940SRam Amrani struct qed_spq_entry *p_ent; 814f1093940SRam Amrani dma_addr_t ramrod_res_phys; 815f1093940SRam Amrani int rc = -ENOMEM; 816f1093940SRam Amrani 8177bfb399eSYuval Basson if (!qp->has_req) 8187bfb399eSYuval Basson return 0; 8197bfb399eSYuval Basson 820f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); 821f1093940SRam Amrani 822f1093940SRam Amrani if (!qp->req_offloaded) 823f1093940SRam Amrani return 0; 824f1093940SRam Amrani 825f1093940SRam Amrani p_ramrod_res = (struct roce_destroy_qp_req_output_params *) 826f1093940SRam Amrani dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 827f1093940SRam Amrani sizeof(*p_ramrod_res), 828f1093940SRam Amrani &ramrod_res_phys, GFP_KERNEL); 829f1093940SRam Amrani if (!p_ramrod_res) { 830f1093940SRam Amrani DP_NOTICE(p_hwfn, 831f1093940SRam Amrani "qed destroy requester failed: cannot allocate memory (ramrod)\n"); 832f1093940SRam Amrani return rc; 833f1093940SRam Amrani } 834f1093940SRam Amrani 835f1093940SRam Amrani /* Get SPQ entry */ 836f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 837f1093940SRam Amrani init_data.cid = qp->icid + 1; 838f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 839f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 840f1093940SRam Amrani 841f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_QP, 842f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 843f1093940SRam Amrani if (rc) 844f1093940SRam Amrani goto err; 845f1093940SRam Amrani 846f1093940SRam Amrani p_ramrod = &p_ent->ramrod.roce_destroy_qp_req; 847f1093940SRam Amrani DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys); 848f1093940SRam Amrani 849f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 850f1093940SRam Amrani if (rc) 851f1093940SRam Amrani goto err; 852f1093940SRam Amrani 853f1093940SRam Amrani 854f1093940SRam Amrani /* Free ORQ - only if ramrod succeeded, in case FW is still using it */ 855f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, 856f1093940SRam Amrani qp->orq_num_pages * RDMA_RING_PAGE_SIZE, 857f1093940SRam Amrani qp->orq, qp->orq_phys_addr); 858f1093940SRam Amrani 859f1093940SRam Amrani qp->req_offloaded = false; 860f1093940SRam Amrani 861f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroy requester, rc = %d\n", rc); 862f1093940SRam Amrani 863f1093940SRam Amrani err: 864f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_ramrod_res), 865f1093940SRam Amrani p_ramrod_res, ramrod_res_phys); 866f1093940SRam Amrani 867f1093940SRam Amrani return rc; 868f1093940SRam Amrani } 869f1093940SRam Amrani 870b71b9afdSKalderon, Michal int qed_roce_query_qp(struct qed_hwfn *p_hwfn, 871f1093940SRam Amrani struct qed_rdma_qp *qp, 872f1093940SRam Amrani struct qed_rdma_query_qp_out_params *out_params) 873f1093940SRam Amrani { 874f1093940SRam Amrani struct roce_query_qp_resp_output_params *p_resp_ramrod_res; 875f1093940SRam Amrani struct roce_query_qp_req_output_params *p_req_ramrod_res; 876f1093940SRam Amrani struct roce_query_qp_resp_ramrod_data *p_resp_ramrod; 877f1093940SRam Amrani struct roce_query_qp_req_ramrod_data *p_req_ramrod; 878f1093940SRam Amrani struct qed_sp_init_data init_data; 879f1093940SRam Amrani dma_addr_t resp_ramrod_res_phys; 880f1093940SRam Amrani dma_addr_t req_ramrod_res_phys; 881f1093940SRam Amrani struct qed_spq_entry *p_ent; 882f1093940SRam Amrani bool rq_err_state; 883f1093940SRam Amrani bool sq_err_state; 884f1093940SRam Amrani bool sq_draining; 885f1093940SRam Amrani int rc = -ENOMEM; 886f1093940SRam Amrani 887f1093940SRam Amrani if ((!(qp->resp_offloaded)) && (!(qp->req_offloaded))) { 888f1093940SRam Amrani /* We can't send ramrod to the fw since this qp wasn't offloaded 889f1093940SRam Amrani * to the fw yet 890f1093940SRam Amrani */ 891f1093940SRam Amrani out_params->draining = false; 892f1093940SRam Amrani out_params->rq_psn = qp->rq_psn; 893f1093940SRam Amrani out_params->sq_psn = qp->sq_psn; 894f1093940SRam Amrani out_params->state = qp->cur_state; 895f1093940SRam Amrani 896f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "No QPs as no offload\n"); 897f1093940SRam Amrani return 0; 898f1093940SRam Amrani } 899f1093940SRam Amrani 900f1093940SRam Amrani if (!(qp->resp_offloaded)) { 901f1093940SRam Amrani DP_NOTICE(p_hwfn, 902df80b8fbSColin Ian King "The responder's qp should be offloaded before requester's\n"); 903f1093940SRam Amrani return -EINVAL; 904f1093940SRam Amrani } 905f1093940SRam Amrani 906f1093940SRam Amrani /* Send a query responder ramrod to FW to get RQ-PSN and state */ 907745e5ad5SAishwarya Ramakrishnan p_resp_ramrod_res = 908f1093940SRam Amrani dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 909f1093940SRam Amrani sizeof(*p_resp_ramrod_res), 910f1093940SRam Amrani &resp_ramrod_res_phys, GFP_KERNEL); 911f1093940SRam Amrani if (!p_resp_ramrod_res) { 912f1093940SRam Amrani DP_NOTICE(p_hwfn, 913f1093940SRam Amrani "qed query qp failed: cannot allocate memory (ramrod)\n"); 914f1093940SRam Amrani return rc; 915f1093940SRam Amrani } 916f1093940SRam Amrani 917f1093940SRam Amrani /* Get SPQ entry */ 918f1093940SRam Amrani memset(&init_data, 0, sizeof(init_data)); 919f1093940SRam Amrani init_data.cid = qp->icid; 920f1093940SRam Amrani init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 921f1093940SRam Amrani init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 922f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP, 923f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 924f1093940SRam Amrani if (rc) 925f1093940SRam Amrani goto err_resp; 926f1093940SRam Amrani 927f1093940SRam Amrani p_resp_ramrod = &p_ent->ramrod.roce_query_qp_resp; 928f1093940SRam Amrani DMA_REGPAIR_LE(p_resp_ramrod->output_params_addr, resp_ramrod_res_phys); 929f1093940SRam Amrani 930f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 931f1093940SRam Amrani if (rc) 932f1093940SRam Amrani goto err_resp; 933f1093940SRam Amrani 934f1093940SRam Amrani out_params->rq_psn = le32_to_cpu(p_resp_ramrod_res->psn); 9350500a70dSMichal Kalderon rq_err_state = GET_FIELD(le32_to_cpu(p_resp_ramrod_res->flags), 936f1093940SRam Amrani ROCE_QUERY_QP_RESP_OUTPUT_PARAMS_ERROR_FLG); 937f1093940SRam Amrani 938c5212b94SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res), 939c5212b94SRam Amrani p_resp_ramrod_res, resp_ramrod_res_phys); 940c5212b94SRam Amrani 941f1093940SRam Amrani if (!(qp->req_offloaded)) { 942f1093940SRam Amrani /* Don't send query qp for the requester */ 943f1093940SRam Amrani out_params->sq_psn = qp->sq_psn; 944f1093940SRam Amrani out_params->draining = false; 945f1093940SRam Amrani 946f1093940SRam Amrani if (rq_err_state) 947f1093940SRam Amrani qp->cur_state = QED_ROCE_QP_STATE_ERR; 948f1093940SRam Amrani 949f1093940SRam Amrani out_params->state = qp->cur_state; 950f1093940SRam Amrani 951f1093940SRam Amrani return 0; 952f1093940SRam Amrani } 953f1093940SRam Amrani 954f1093940SRam Amrani /* Send a query requester ramrod to FW to get SQ-PSN and state */ 955745e5ad5SAishwarya Ramakrishnan p_req_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 956f1093940SRam Amrani sizeof(*p_req_ramrod_res), 957f1093940SRam Amrani &req_ramrod_res_phys, 958f1093940SRam Amrani GFP_KERNEL); 959f1093940SRam Amrani if (!p_req_ramrod_res) { 960f1093940SRam Amrani rc = -ENOMEM; 961f1093940SRam Amrani DP_NOTICE(p_hwfn, 962f1093940SRam Amrani "qed query qp failed: cannot allocate memory (ramrod)\n"); 963f1093940SRam Amrani return rc; 964f1093940SRam Amrani } 965f1093940SRam Amrani 966f1093940SRam Amrani /* Get SPQ entry */ 967f1093940SRam Amrani init_data.cid = qp->icid + 1; 968f1093940SRam Amrani rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP, 969f1093940SRam Amrani PROTOCOLID_ROCE, &init_data); 970f1093940SRam Amrani if (rc) 971f1093940SRam Amrani goto err_req; 972f1093940SRam Amrani 973f1093940SRam Amrani p_req_ramrod = &p_ent->ramrod.roce_query_qp_req; 974f1093940SRam Amrani DMA_REGPAIR_LE(p_req_ramrod->output_params_addr, req_ramrod_res_phys); 975f1093940SRam Amrani 976f1093940SRam Amrani rc = qed_spq_post(p_hwfn, p_ent, NULL); 977f1093940SRam Amrani if (rc) 978f1093940SRam Amrani goto err_req; 979f1093940SRam Amrani 980f1093940SRam Amrani out_params->sq_psn = le32_to_cpu(p_req_ramrod_res->psn); 981f1093940SRam Amrani sq_err_state = GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags), 982f1093940SRam Amrani ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_ERR_FLG); 983f1093940SRam Amrani sq_draining = 984f1093940SRam Amrani GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags), 985f1093940SRam Amrani ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_SQ_DRAINING_FLG); 986f1093940SRam Amrani 987c5212b94SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res), 988c5212b94SRam Amrani p_req_ramrod_res, req_ramrod_res_phys); 989c5212b94SRam Amrani 990f1093940SRam Amrani out_params->draining = false; 991f1093940SRam Amrani 992be086e7cSMintz, Yuval if (rq_err_state || sq_err_state) 993f1093940SRam Amrani qp->cur_state = QED_ROCE_QP_STATE_ERR; 994f1093940SRam Amrani else if (sq_draining) 995f1093940SRam Amrani out_params->draining = true; 996f1093940SRam Amrani out_params->state = qp->cur_state; 997f1093940SRam Amrani 998f1093940SRam Amrani return 0; 999f1093940SRam Amrani 1000f1093940SRam Amrani err_req: 1001f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res), 1002f1093940SRam Amrani p_req_ramrod_res, req_ramrod_res_phys); 1003f1093940SRam Amrani return rc; 1004f1093940SRam Amrani err_resp: 1005f1093940SRam Amrani dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res), 1006f1093940SRam Amrani p_resp_ramrod_res, resp_ramrod_res_phys); 1007f1093940SRam Amrani return rc; 1008f1093940SRam Amrani } 1009f1093940SRam Amrani 1010b71b9afdSKalderon, Michal int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) 1011f1093940SRam Amrani { 1012be086e7cSMintz, Yuval u32 cq_prod; 1013f1093940SRam Amrani int rc; 1014f1093940SRam Amrani 1015f1093940SRam Amrani /* Destroys the specified QP */ 1016f1093940SRam Amrani if ((qp->cur_state != QED_ROCE_QP_STATE_RESET) && 1017f1093940SRam Amrani (qp->cur_state != QED_ROCE_QP_STATE_ERR) && 1018f1093940SRam Amrani (qp->cur_state != QED_ROCE_QP_STATE_INIT)) { 1019f1093940SRam Amrani DP_NOTICE(p_hwfn, 1020f1093940SRam Amrani "QP must be in error, reset or init state before destroying it\n"); 1021f1093940SRam Amrani return -EINVAL; 1022f1093940SRam Amrani } 1023f1093940SRam Amrani 1024300c0d7cSRam Amrani if (qp->cur_state != QED_ROCE_QP_STATE_RESET) { 1025300c0d7cSRam Amrani rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, 1026be086e7cSMintz, Yuval &cq_prod); 1027f1093940SRam Amrani if (rc) 1028f1093940SRam Amrani return rc; 1029f1093940SRam Amrani 1030f1093940SRam Amrani /* Send destroy requester ramrod */ 1031d52c89f1SMichal Kalderon rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp); 1032f1093940SRam Amrani if (rc) 1033f1093940SRam Amrani return rc; 1034300c0d7cSRam Amrani } 1035f1093940SRam Amrani 1036f1093940SRam Amrani return 0; 1037f1093940SRam Amrani } 1038f1093940SRam Amrani 1039b71b9afdSKalderon, Michal int qed_roce_modify_qp(struct qed_hwfn *p_hwfn, 1040f1093940SRam Amrani struct qed_rdma_qp *qp, 1041f1093940SRam Amrani enum qed_roce_qp_state prev_state, 1042f1093940SRam Amrani struct qed_rdma_modify_qp_in_params *params) 1043f1093940SRam Amrani { 1044f1093940SRam Amrani int rc = 0; 1045f1093940SRam Amrani 1046f1093940SRam Amrani /* Perform additional operations according to the current state and the 1047f1093940SRam Amrani * next state 1048f1093940SRam Amrani */ 1049f1093940SRam Amrani if (((prev_state == QED_ROCE_QP_STATE_INIT) || 1050f1093940SRam Amrani (prev_state == QED_ROCE_QP_STATE_RESET)) && 1051f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_RTR)) { 1052f1093940SRam Amrani /* Init->RTR or Reset->RTR */ 1053f1093940SRam Amrani rc = qed_roce_sp_create_responder(p_hwfn, qp); 1054f1093940SRam Amrani return rc; 1055f1093940SRam Amrani } else if ((prev_state == QED_ROCE_QP_STATE_RTR) && 1056f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_RTS)) { 1057f1093940SRam Amrani /* RTR-> RTS */ 1058f1093940SRam Amrani rc = qed_roce_sp_create_requester(p_hwfn, qp); 1059f1093940SRam Amrani if (rc) 1060f1093940SRam Amrani return rc; 1061f1093940SRam Amrani 1062f1093940SRam Amrani /* Send modify responder ramrod */ 1063f1093940SRam Amrani rc = qed_roce_sp_modify_responder(p_hwfn, qp, false, 1064f1093940SRam Amrani params->modify_flags); 1065f1093940SRam Amrani return rc; 1066f1093940SRam Amrani } else if ((prev_state == QED_ROCE_QP_STATE_RTS) && 1067f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_RTS)) { 1068f1093940SRam Amrani /* RTS->RTS */ 1069f1093940SRam Amrani rc = qed_roce_sp_modify_responder(p_hwfn, qp, false, 1070f1093940SRam Amrani params->modify_flags); 1071f1093940SRam Amrani if (rc) 1072f1093940SRam Amrani return rc; 1073f1093940SRam Amrani 1074f1093940SRam Amrani rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false, 1075f1093940SRam Amrani params->modify_flags); 1076f1093940SRam Amrani return rc; 1077f1093940SRam Amrani } else if ((prev_state == QED_ROCE_QP_STATE_RTS) && 1078f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_SQD)) { 1079f1093940SRam Amrani /* RTS->SQD */ 1080f1093940SRam Amrani rc = qed_roce_sp_modify_requester(p_hwfn, qp, true, false, 1081f1093940SRam Amrani params->modify_flags); 1082f1093940SRam Amrani return rc; 1083f1093940SRam Amrani } else if ((prev_state == QED_ROCE_QP_STATE_SQD) && 1084f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_SQD)) { 1085f1093940SRam Amrani /* SQD->SQD */ 1086f1093940SRam Amrani rc = qed_roce_sp_modify_responder(p_hwfn, qp, false, 1087f1093940SRam Amrani params->modify_flags); 1088f1093940SRam Amrani if (rc) 1089f1093940SRam Amrani return rc; 1090f1093940SRam Amrani 1091f1093940SRam Amrani rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false, 1092f1093940SRam Amrani params->modify_flags); 1093f1093940SRam Amrani return rc; 1094f1093940SRam Amrani } else if ((prev_state == QED_ROCE_QP_STATE_SQD) && 1095f1093940SRam Amrani (qp->cur_state == QED_ROCE_QP_STATE_RTS)) { 1096f1093940SRam Amrani /* SQD->RTS */ 1097f1093940SRam Amrani rc = qed_roce_sp_modify_responder(p_hwfn, qp, false, 1098f1093940SRam Amrani params->modify_flags); 1099f1093940SRam Amrani if (rc) 1100f1093940SRam Amrani return rc; 1101f1093940SRam Amrani 1102f1093940SRam Amrani rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false, 1103f1093940SRam Amrani params->modify_flags); 1104f1093940SRam Amrani 1105f1093940SRam Amrani return rc; 1106ba0154e9SRam Amrani } else if (qp->cur_state == QED_ROCE_QP_STATE_ERR) { 1107f1093940SRam Amrani /* ->ERR */ 1108f1093940SRam Amrani rc = qed_roce_sp_modify_responder(p_hwfn, qp, true, 1109f1093940SRam Amrani params->modify_flags); 1110f1093940SRam Amrani if (rc) 1111f1093940SRam Amrani return rc; 1112f1093940SRam Amrani 1113f1093940SRam Amrani rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, true, 1114f1093940SRam Amrani params->modify_flags); 1115f1093940SRam Amrani return rc; 1116f1093940SRam Amrani } else if (qp->cur_state == QED_ROCE_QP_STATE_RESET) { 1117f1093940SRam Amrani /* Any state -> RESET */ 1118be086e7cSMintz, Yuval u32 cq_prod; 1119f1093940SRam Amrani 1120be086e7cSMintz, Yuval /* Send destroy responder ramrod */ 1121be086e7cSMintz, Yuval rc = qed_roce_sp_destroy_qp_responder(p_hwfn, 1122be086e7cSMintz, Yuval qp, 1123be086e7cSMintz, Yuval &cq_prod); 1124be086e7cSMintz, Yuval 1125f1093940SRam Amrani if (rc) 1126f1093940SRam Amrani return rc; 1127f1093940SRam Amrani 1128be086e7cSMintz, Yuval qp->cq_prod = cq_prod; 1129be086e7cSMintz, Yuval 1130d52c89f1SMichal Kalderon rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp); 1131f1093940SRam Amrani } else { 1132f1093940SRam Amrani DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "0\n"); 1133f1093940SRam Amrani } 1134f1093940SRam Amrani 1135f1093940SRam Amrani return rc; 1136f1093940SRam Amrani } 1137f1093940SRam Amrani 1138be086e7cSMintz, Yuval static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid) 1139be086e7cSMintz, Yuval { 1140be086e7cSMintz, Yuval struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info; 1141be086e7cSMintz, Yuval u32 start_cid, cid, xcid; 1142be086e7cSMintz, Yuval 1143be086e7cSMintz, Yuval /* an even icid belongs to a responder while an odd icid belongs to a 1144be086e7cSMintz, Yuval * requester. The 'cid' received as an input can be either. We calculate 1145be086e7cSMintz, Yuval * the "partner" icid and call it xcid. Only if both are free then the 1146be086e7cSMintz, Yuval * "cid" map can be cleared. 1147be086e7cSMintz, Yuval */ 1148be086e7cSMintz, Yuval start_cid = qed_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto); 1149be086e7cSMintz, Yuval cid = icid - start_cid; 1150be086e7cSMintz, Yuval xcid = cid ^ 1; 1151be086e7cSMintz, Yuval 1152be086e7cSMintz, Yuval spin_lock_bh(&p_rdma_info->lock); 1153be086e7cSMintz, Yuval 1154be086e7cSMintz, Yuval qed_bmap_release_id(p_hwfn, &p_rdma_info->real_cid_map, cid); 1155be086e7cSMintz, Yuval if (qed_bmap_test_id(p_hwfn, &p_rdma_info->real_cid_map, xcid) == 0) { 1156be086e7cSMintz, Yuval qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, cid); 1157be086e7cSMintz, Yuval qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, xcid); 1158be086e7cSMintz, Yuval } 1159be086e7cSMintz, Yuval 1160be086e7cSMintz, Yuval spin_unlock_bh(&p_hwfn->p_rdma_info->lock); 1161be086e7cSMintz, Yuval } 1162be086e7cSMintz, Yuval 11639331dad1SMintz, Yuval void qed_roce_dpm_dcbx(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 11649331dad1SMintz, Yuval { 11659331dad1SMintz, Yuval u8 val; 11669331dad1SMintz, Yuval 11679331dad1SMintz, Yuval /* if any QPs are already active, we want to disable DPM, since their 11689331dad1SMintz, Yuval * context information contains information from before the latest DCBx 11699331dad1SMintz, Yuval * update. Otherwise enable it. 11709331dad1SMintz, Yuval */ 11719331dad1SMintz, Yuval val = qed_rdma_allocated_qps(p_hwfn) ? true : false; 11729331dad1SMintz, Yuval p_hwfn->dcbx_no_edpm = (u8)val; 11739331dad1SMintz, Yuval 11749331dad1SMintz, Yuval qed_rdma_dpm_conf(p_hwfn, p_ptt); 11759331dad1SMintz, Yuval } 11769331dad1SMintz, Yuval 1177b71b9afdSKalderon, Michal int qed_roce_setup(struct qed_hwfn *p_hwfn) 117851ff1725SRam Amrani { 1179b71b9afdSKalderon, Michal return qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE, 1180b71b9afdSKalderon, Michal qed_roce_async_event); 118151ff1725SRam Amrani } 118251ff1725SRam Amrani 118367b40dccSKalderon, Michal int qed_roce_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 118467b40dccSKalderon, Michal { 118567b40dccSKalderon, Michal u32 ll2_ethertype_en; 118667b40dccSKalderon, Michal 118767b40dccSKalderon, Michal qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, 0); 118867b40dccSKalderon, Michal 118967b40dccSKalderon, Michal p_hwfn->rdma_prs_search_reg = PRS_REG_SEARCH_ROCE; 119067b40dccSKalderon, Michal 119167b40dccSKalderon, Michal ll2_ethertype_en = qed_rd(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN); 119267b40dccSKalderon, Michal qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN, 119367b40dccSKalderon, Michal (ll2_ethertype_en | 0x01)); 119467b40dccSKalderon, Michal 119567b40dccSKalderon, Michal if (qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_ROCE) % 2) { 119667b40dccSKalderon, Michal DP_NOTICE(p_hwfn, "The first RoCE's cid should be even\n"); 119767b40dccSKalderon, Michal return -EINVAL; 119867b40dccSKalderon, Michal } 119967b40dccSKalderon, Michal 120067b40dccSKalderon, Michal DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW - Done\n"); 120167b40dccSKalderon, Michal return 0; 120267b40dccSKalderon, Michal } 1203