1e126ba97SEli Cohen /* 26cf0a15fSSaeed Mahameed * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3e126ba97SEli Cohen * 4e126ba97SEli Cohen * This software is available to you under a choice of one of two 5e126ba97SEli Cohen * licenses. You may choose to be licensed under the terms of the GNU 6e126ba97SEli Cohen * General Public License (GPL) Version 2, available from the file 7e126ba97SEli Cohen * COPYING in the main directory of this source tree, or the 8e126ba97SEli Cohen * OpenIB.org BSD license below: 9e126ba97SEli Cohen * 10e126ba97SEli Cohen * Redistribution and use in source and binary forms, with or 11e126ba97SEli Cohen * without modification, are permitted provided that the following 12e126ba97SEli Cohen * conditions are met: 13e126ba97SEli Cohen * 14e126ba97SEli Cohen * - Redistributions of source code must retain the above 15e126ba97SEli Cohen * copyright notice, this list of conditions and the following 16e126ba97SEli Cohen * disclaimer. 17e126ba97SEli Cohen * 18e126ba97SEli Cohen * - Redistributions in binary form must reproduce the above 19e126ba97SEli Cohen * copyright notice, this list of conditions and the following 20e126ba97SEli Cohen * disclaimer in the documentation and/or other materials 21e126ba97SEli Cohen * provided with the distribution. 22e126ba97SEli Cohen * 23e126ba97SEli Cohen * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e126ba97SEli Cohen * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e126ba97SEli Cohen * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e126ba97SEli Cohen * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e126ba97SEli Cohen * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e126ba97SEli Cohen * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e126ba97SEli Cohen * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e126ba97SEli Cohen * SOFTWARE. 31e126ba97SEli Cohen */ 32e126ba97SEli Cohen 33e126ba97SEli Cohen #include <linux/module.h> 34e126ba97SEli Cohen #include <rdma/ib_umem.h> 352811ba51SAchiad Shochat #include <rdma/ib_cache.h> 36cfb5e088SHaggai Abramovsky #include <rdma/ib_user_verbs.h> 37d14133ddSMark Zhang #include <rdma/rdma_counter.h> 38c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 39e126ba97SEli Cohen #include "mlx5_ib.h" 40b96c9ddeSMark Bloch #include "ib_rep.h" 4164825827SLeon Romanovsky #include "counters.h" 42443c1cf9SYishai Hadas #include "cmd.h" 43333fbaa0SLeon Romanovsky #include "qp.h" 44029e88fdSLeon Romanovsky #include "wr.h" 45e126ba97SEli Cohen 46e126ba97SEli Cohen enum { 47e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 48e126ba97SEli Cohen }; 49e126ba97SEli Cohen 50e126ba97SEli Cohen enum { 51e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 52e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 54e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 55e126ba97SEli Cohen }; 56e126ba97SEli Cohen 57eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 58eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 597d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 60eb49ab0cSAlex Vesker }; 61eb49ab0cSAlex Vesker 620680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 630680efa2SAlex Vesker u16 operation; 64eb49ab0cSAlex Vesker 65eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 6661147f39SBodong Wang 6761147f39SBodong Wang struct mlx5_rate_limit rl; 6861147f39SBodong Wang 69eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 701fb7f897SMark Bloch u32 port; 710680efa2SAlex Vesker }; 720680efa2SAlex Vesker 7389ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 7489ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 7589ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 7689ea94a7SMaor Gottlieb 77e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 78e126ba97SEli Cohen { 79e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 80e126ba97SEli Cohen } 81e126ba97SEli Cohen 82e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 83e126ba97SEli Cohen { 84e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 85e126ba97SEli Cohen } 86e126ba97SEli Cohen 87c1395a2aSHaggai Eran /** 88fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 89fbeb4075SMoni Shoua * to kernel buffer 90c1395a2aSHaggai Eran * 91fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 92fbeb4075SMoni Shoua * @buffer: buffer to copy to 93fbeb4075SMoni Shoua * @buflen: buffer length 94fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 95fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 96fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 97fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 98fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 99fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 100c1395a2aSHaggai Eran * 101fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 102fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 103c1395a2aSHaggai Eran * 104fbeb4075SMoni Shoua * Return: zero on success, or an error code. 105c1395a2aSHaggai Eran */ 106da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 107da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 108da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 109da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 110fbeb4075SMoni Shoua size_t *bytes_copied) 111c1395a2aSHaggai Eran { 112fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 113fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 114fbeb4075SMoni Shoua size_t copy_length; 115c1395a2aSHaggai Eran int ret; 116c1395a2aSHaggai Eran 117fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 118fbeb4075SMoni Shoua * beyond WQ end 119fbeb4075SMoni Shoua */ 120fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 121fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 122c1395a2aSHaggai Eran 123fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 124c1395a2aSHaggai Eran if (ret) 125c1395a2aSHaggai Eran return ret; 126c1395a2aSHaggai Eran 127fbeb4075SMoni Shoua if (!ret && bytes_copied) 128fbeb4075SMoni Shoua *bytes_copied = copy_length; 129c1395a2aSHaggai Eran 130fbeb4075SMoni Shoua return 0; 131fbeb4075SMoni Shoua } 132fbeb4075SMoni Shoua 133da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 134da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 135da9ee9d8SMoni Shoua { 136da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 137da9ee9d8SMoni Shoua size_t bytes_copied = 0; 138da9ee9d8SMoni Shoua size_t wqe_length; 139da9ee9d8SMoni Shoua void *p; 140da9ee9d8SMoni Shoua int ds; 141da9ee9d8SMoni Shoua 142da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 143da9ee9d8SMoni Shoua 144da9ee9d8SMoni Shoua /* read the control segment first */ 145da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 146da9ee9d8SMoni Shoua ctrl = p; 147da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 148da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 149da9ee9d8SMoni Shoua 150da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 151da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 152da9ee9d8SMoni Shoua size_t copy_length = 153da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 154da9ee9d8SMoni Shoua 155da9ee9d8SMoni Shoua if (!copy_length) 156da9ee9d8SMoni Shoua break; 157da9ee9d8SMoni Shoua 158da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 159da9ee9d8SMoni Shoua bytes_copied += copy_length; 160da9ee9d8SMoni Shoua 161da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 162da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 163da9ee9d8SMoni Shoua } 164da9ee9d8SMoni Shoua *bc = bytes_copied; 165da9ee9d8SMoni Shoua return 0; 166da9ee9d8SMoni Shoua } 167da9ee9d8SMoni Shoua 168da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 169da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 170fbeb4075SMoni Shoua { 171fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 172fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 173fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 174fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 175fbeb4075SMoni Shoua size_t bytes_copied; 176fbeb4075SMoni Shoua size_t bytes_copied2; 177fbeb4075SMoni Shoua size_t wqe_length; 178fbeb4075SMoni Shoua int ret; 179fbeb4075SMoni Shoua int ds; 180fbeb4075SMoni Shoua 181fbeb4075SMoni Shoua /* at first read as much as possible */ 182da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 183da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 184da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 185fbeb4075SMoni Shoua &bytes_copied); 186fbeb4075SMoni Shoua if (ret) 187fbeb4075SMoni Shoua return ret; 188fbeb4075SMoni Shoua 189fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 190fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 191fbeb4075SMoni Shoua return -EINVAL; 192fbeb4075SMoni Shoua 193fbeb4075SMoni Shoua ctrl = buffer; 194fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 195c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 196fbeb4075SMoni Shoua 197fbeb4075SMoni Shoua /* if we copied enough then we are done */ 198fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 199fbeb4075SMoni Shoua *bc = bytes_copied; 200fbeb4075SMoni Shoua return 0; 201c1395a2aSHaggai Eran } 202c1395a2aSHaggai Eran 203fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 204fbeb4075SMoni Shoua * so read the remaining bytes starting 205fbeb4075SMoni Shoua * from wqe_index 0 206fbeb4075SMoni Shoua */ 207da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 208da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 209da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 210fbeb4075SMoni Shoua wqe_length - bytes_copied, 211fbeb4075SMoni Shoua &bytes_copied2); 212c1395a2aSHaggai Eran 213c1395a2aSHaggai Eran if (ret) 214c1395a2aSHaggai Eran return ret; 215fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 216fbeb4075SMoni Shoua return 0; 217fbeb4075SMoni Shoua } 218c1395a2aSHaggai Eran 219da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 220da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 221da9ee9d8SMoni Shoua { 222da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 223da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 224da9ee9d8SMoni Shoua 225da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 226da9ee9d8SMoni Shoua return -EINVAL; 227da9ee9d8SMoni Shoua 228da9ee9d8SMoni Shoua if (!umem) 229da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 230da9ee9d8SMoni Shoua buflen, bc); 231da9ee9d8SMoni Shoua 232da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 233da9ee9d8SMoni Shoua } 234da9ee9d8SMoni Shoua 235da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 236da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 237fbeb4075SMoni Shoua { 238fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 239fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 240fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 241fbeb4075SMoni Shoua size_t bytes_copied; 242fbeb4075SMoni Shoua int ret; 243fbeb4075SMoni Shoua 244da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 245da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 246da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 247fbeb4075SMoni Shoua &bytes_copied); 248fbeb4075SMoni Shoua 249fbeb4075SMoni Shoua if (ret) 250fbeb4075SMoni Shoua return ret; 251fbeb4075SMoni Shoua *bc = bytes_copied; 252fbeb4075SMoni Shoua return 0; 253fbeb4075SMoni Shoua } 254fbeb4075SMoni Shoua 255da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 256da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 257da9ee9d8SMoni Shoua { 258da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 259da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 260da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 261da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 262da9ee9d8SMoni Shoua 263da9ee9d8SMoni Shoua if (buflen < wqe_size) 264da9ee9d8SMoni Shoua return -EINVAL; 265da9ee9d8SMoni Shoua 266da9ee9d8SMoni Shoua if (!umem) 267da9ee9d8SMoni Shoua return -EOPNOTSUPP; 268da9ee9d8SMoni Shoua 269da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 270da9ee9d8SMoni Shoua } 271da9ee9d8SMoni Shoua 272da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 273da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 274fbeb4075SMoni Shoua { 275fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 276fbeb4075SMoni Shoua size_t bytes_copied; 277fbeb4075SMoni Shoua int ret; 278fbeb4075SMoni Shoua 279da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 280da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 281da9ee9d8SMoni Shoua buflen, &bytes_copied); 282fbeb4075SMoni Shoua 283fbeb4075SMoni Shoua if (ret) 284fbeb4075SMoni Shoua return ret; 285fbeb4075SMoni Shoua *bc = bytes_copied; 286fbeb4075SMoni Shoua return 0; 287c1395a2aSHaggai Eran } 288c1395a2aSHaggai Eran 289da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 290da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 291da9ee9d8SMoni Shoua { 292da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 293da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 294da9ee9d8SMoni Shoua 295da9ee9d8SMoni Shoua if (buflen < wqe_size) 296da9ee9d8SMoni Shoua return -EINVAL; 297da9ee9d8SMoni Shoua 298da9ee9d8SMoni Shoua if (!umem) 299da9ee9d8SMoni Shoua return -EOPNOTSUPP; 300da9ee9d8SMoni Shoua 301da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 302da9ee9d8SMoni Shoua } 303da9ee9d8SMoni Shoua 304e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 305e126ba97SEli Cohen { 306e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 307e126ba97SEli Cohen struct ib_event event; 308e126ba97SEli Cohen 30919098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 31019098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 31119098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 31219098df2Smajd@mellanox.com } 313e126ba97SEli Cohen 314e126ba97SEli Cohen if (ibqp->event_handler) { 315e126ba97SEli Cohen event.device = ibqp->device; 316e126ba97SEli Cohen event.element.qp = ibqp; 317e126ba97SEli Cohen switch (type) { 318e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 319e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 322e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 323e126ba97SEli Cohen break; 324e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 325e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 326e126ba97SEli Cohen break; 327e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 328e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 329e126ba97SEli Cohen break; 330e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 331e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 332e126ba97SEli Cohen break; 333e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 334e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 335e126ba97SEli Cohen break; 336e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 337e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 338e126ba97SEli Cohen break; 339e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 340e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 341e126ba97SEli Cohen break; 342e126ba97SEli Cohen default: 343e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 344e126ba97SEli Cohen return; 345e126ba97SEli Cohen } 346e126ba97SEli Cohen 347e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 348e126ba97SEli Cohen } 349e126ba97SEli Cohen } 350e126ba97SEli Cohen 351e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 352e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 353e126ba97SEli Cohen { 354e126ba97SEli Cohen int wqe_size; 355e126ba97SEli Cohen int wq_size; 356e126ba97SEli Cohen 357e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 358938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 359e126ba97SEli Cohen return -EINVAL; 360e126ba97SEli Cohen 361e126ba97SEli Cohen if (!has_rq) { 362e126ba97SEli Cohen qp->rq.max_gs = 0; 363e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 364e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3650540d814SNoa Osherovich cap->max_recv_wr = 0; 3660540d814SNoa Osherovich cap->max_recv_sge = 0; 367e126ba97SEli Cohen } else { 368c95e6d53SLeon Romanovsky int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); 369c95e6d53SLeon Romanovsky 370e126ba97SEli Cohen if (ucmd) { 371e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 372002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 373002bf228SLeon Romanovsky return -EINVAL; 374e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 375c95e6d53SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / 376c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) < 377c95e6d53SLeon Romanovsky wq_sig) 378002bf228SLeon Romanovsky return -EINVAL; 379c95e6d53SLeon Romanovsky qp->rq.max_gs = 380c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 381c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 382c95e6d53SLeon Romanovsky wq_sig; 383e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 384e126ba97SEli Cohen } else { 385c95e6d53SLeon Romanovsky wqe_size = 386c95e6d53SLeon Romanovsky wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 387c95e6d53SLeon Romanovsky 0; 388e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 389e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 390e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 391e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 392e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 393938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 394e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 395e126ba97SEli Cohen wqe_size, 396938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 397938fe83cSSaeed Mahameed max_wqe_sz_rq)); 398e126ba97SEli Cohen return -EINVAL; 399e126ba97SEli Cohen } 400e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 401c95e6d53SLeon Romanovsky qp->rq.max_gs = 402c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 403c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 404c95e6d53SLeon Romanovsky wq_sig; 405e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 406e126ba97SEli Cohen } 407e126ba97SEli Cohen } 408e126ba97SEli Cohen 409e126ba97SEli Cohen return 0; 410e126ba97SEli Cohen } 411e126ba97SEli Cohen 412f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 413e126ba97SEli Cohen { 414618af384SAndi Shyti int size = 0; 415e126ba97SEli Cohen 416f0313965SErez Shitrit switch (attr->qp_type) { 417e126ba97SEli Cohen case IB_QPT_XRC_INI: 418b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 419df561f66SGustavo A. R. Silva fallthrough; 420e126ba97SEli Cohen case IB_QPT_RC: 421e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 42275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 42375c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 42475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 425064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 426064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 427064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 428e126ba97SEli Cohen break; 429e126ba97SEli Cohen 430b125a54bSEli Cohen case IB_QPT_XRC_TGT: 431b125a54bSEli Cohen return 0; 432b125a54bSEli Cohen 433e126ba97SEli Cohen case IB_QPT_UC: 434b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4369e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 43775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 438e126ba97SEli Cohen break; 439e126ba97SEli Cohen 440e126ba97SEli Cohen case IB_QPT_UD: 441f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 442f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 443f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 444df561f66SGustavo A. R. Silva fallthrough; 445e126ba97SEli Cohen case IB_QPT_SMI: 446d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 447b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 448e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 449e126ba97SEli Cohen break; 450e126ba97SEli Cohen 451e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 452b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 453e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 454e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 455e126ba97SEli Cohen break; 456e126ba97SEli Cohen 457e126ba97SEli Cohen default: 458e126ba97SEli Cohen return -EINVAL; 459e126ba97SEli Cohen } 460e126ba97SEli Cohen 461e126ba97SEli Cohen return size; 462e126ba97SEli Cohen } 463e126ba97SEli Cohen 464e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 465e126ba97SEli Cohen { 466e126ba97SEli Cohen int inl_size = 0; 467e126ba97SEli Cohen int size; 468e126ba97SEli Cohen 469f0313965SErez Shitrit size = sq_overhead(attr); 470e126ba97SEli Cohen if (size < 0) 471e126ba97SEli Cohen return size; 472e126ba97SEli Cohen 473e126ba97SEli Cohen if (attr->cap.max_inline_data) { 474e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 475e126ba97SEli Cohen attr->cap.max_inline_data; 476e126ba97SEli Cohen } 477e126ba97SEli Cohen 478e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 479c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 480e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 481e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 482e1e66cc2SSagi Grimberg else 483e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 484e126ba97SEli Cohen } 485e126ba97SEli Cohen 486288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 487288c01b7SEli Cohen { 488288c01b7SEli Cohen int max_sge; 489288c01b7SEli Cohen 490288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 491288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 492288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 493288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 494288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 495288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 496288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 497288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 498288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 499288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 500288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 501288c01b7SEli Cohen else 502288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 503288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 504288c01b7SEli Cohen 505288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 506288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 507288c01b7SEli Cohen } 508288c01b7SEli Cohen 509e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 510e126ba97SEli Cohen struct mlx5_ib_qp *qp) 511e126ba97SEli Cohen { 512e126ba97SEli Cohen int wqe_size; 513e126ba97SEli Cohen int wq_size; 514e126ba97SEli Cohen 515e126ba97SEli Cohen if (!attr->cap.max_send_wr) 516e126ba97SEli Cohen return 0; 517e126ba97SEli Cohen 518e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 519e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 520e126ba97SEli Cohen if (wqe_size < 0) 521e126ba97SEli Cohen return wqe_size; 522e126ba97SEli Cohen 523938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 524b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 525938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 526e126ba97SEli Cohen return -EINVAL; 527e126ba97SEli Cohen } 528e126ba97SEli Cohen 529f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 530e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 531e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 532e126ba97SEli Cohen 533e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 534e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 535938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5361974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5371974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 538938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 539938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 540b125a54bSEli Cohen return -ENOMEM; 541b125a54bSEli Cohen } 542e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 543288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 544288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 545288c01b7SEli Cohen return -ENOMEM; 546288c01b7SEli Cohen 547288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 548b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 549b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 550e126ba97SEli Cohen 551e126ba97SEli Cohen return wq_size; 552e126ba97SEli Cohen } 553e126ba97SEli Cohen 554e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 555e126ba97SEli Cohen struct mlx5_ib_qp *qp, 55619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5570fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 559e126ba97SEli Cohen { 560e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 561e126ba97SEli Cohen 562938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 563e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 564938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 565e126ba97SEli Cohen return -EINVAL; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 569af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 570af8b38edSGal Pressman ucmd->sq_wqe_count); 571e126ba97SEli Cohen return -EINVAL; 572e126ba97SEli Cohen } 573e126ba97SEli Cohen 574e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 575e126ba97SEli Cohen 576938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 577e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 578938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 579938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 580e126ba97SEli Cohen return -EINVAL; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5842be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 5850fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5860fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5870fb2ed66Smajd@mellanox.com } else { 58819098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 589e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5900fb2ed66Smajd@mellanox.com } 591e126ba97SEli Cohen 592e126ba97SEli Cohen return 0; 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 598e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 599e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 600e126ba97SEli Cohen !attr->cap.max_recv_wr) 601e126ba97SEli Cohen return 0; 602e126ba97SEli Cohen 603e126ba97SEli Cohen return 1; 604e126ba97SEli Cohen } 605e126ba97SEli Cohen 6060b80c14fSEli Cohen enum { 6070b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6080b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6090b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6100b80c14fSEli Cohen * "odd/even" order 6110b80c14fSEli Cohen */ 6120b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6130b80c14fSEli Cohen }; 6140b80c14fSEli Cohen 615b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 616b037c29aSEli Cohen { 61731a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 618b037c29aSEli Cohen } 619b037c29aSEli Cohen 620b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 621b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 622c1be5232SEli Cohen { 623c1be5232SEli Cohen int n; 624c1be5232SEli Cohen 625b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 626b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 627c1be5232SEli Cohen 628c1be5232SEli Cohen return n >= 0 ? n : 0; 629c1be5232SEli Cohen } 630c1be5232SEli Cohen 63118b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 63218b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 63318b0362eSYishai Hadas { 63418b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 63518b0362eSYishai Hadas } 63618b0362eSYishai Hadas 637b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 638b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 639c1be5232SEli Cohen { 640c1be5232SEli Cohen int med; 641c1be5232SEli Cohen 642b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 643b037c29aSEli Cohen return ++med; 644c1be5232SEli Cohen } 645c1be5232SEli Cohen 646b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 647b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 648e126ba97SEli Cohen { 649e126ba97SEli Cohen int i; 650e126ba97SEli Cohen 651b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 652b037c29aSEli Cohen if (!bfregi->count[i]) { 6532f5ff264SEli Cohen bfregi->count[i]++; 654e126ba97SEli Cohen return i; 655e126ba97SEli Cohen } 656e126ba97SEli Cohen } 657e126ba97SEli Cohen 658e126ba97SEli Cohen return -ENOMEM; 659e126ba97SEli Cohen } 660e126ba97SEli Cohen 661b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663e126ba97SEli Cohen { 66418b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 665e126ba97SEli Cohen int i; 666e126ba97SEli Cohen 66718b0362eSYishai Hadas if (minidx < 0) 66818b0362eSYishai Hadas return minidx; 66918b0362eSYishai Hadas 67018b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6712f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 672e126ba97SEli Cohen minidx = i; 6730b80c14fSEli Cohen if (!bfregi->count[minidx]) 6740b80c14fSEli Cohen break; 675e126ba97SEli Cohen } 676e126ba97SEli Cohen 6772f5ff264SEli Cohen bfregi->count[minidx]++; 678e126ba97SEli Cohen return minidx; 679e126ba97SEli Cohen } 680e126ba97SEli Cohen 681b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 682ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 683e126ba97SEli Cohen { 684ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 685e126ba97SEli Cohen 6860a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 6870a2fd01cSYishai Hadas return -EINVAL; 6880a2fd01cSYishai Hadas 6892f5ff264SEli Cohen mutex_lock(&bfregi->lock); 690ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 691ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 692ffaf58deSLeon Romanovsky if (bfregn < 0) 693ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 694ffaf58deSLeon Romanovsky } 695ffaf58deSLeon Romanovsky 696ffaf58deSLeon Romanovsky if (bfregn < 0) { 6970b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6982f5ff264SEli Cohen bfregn = 0; 6992f5ff264SEli Cohen bfregi->count[bfregn]++; 700e126ba97SEli Cohen } 7012f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 702e126ba97SEli Cohen 7032f5ff264SEli Cohen return bfregn; 704e126ba97SEli Cohen } 705e126ba97SEli Cohen 7064ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 707e126ba97SEli Cohen { 7082f5ff264SEli Cohen mutex_lock(&bfregi->lock); 709b037c29aSEli Cohen bfregi->count[bfregn]--; 7102f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 711e126ba97SEli Cohen } 712e126ba97SEli Cohen 713e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 714e126ba97SEli Cohen { 715e126ba97SEli Cohen switch (state) { 716e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 717e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 718e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 719e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 720e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 721e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 722e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 723e126ba97SEli Cohen default: return -1; 724e126ba97SEli Cohen } 725e126ba97SEli Cohen } 726e126ba97SEli Cohen 727e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 728e126ba97SEli Cohen { 729e126ba97SEli Cohen switch (type) { 730e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 731e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 732e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 733e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 734e126ba97SEli Cohen case IB_QPT_XRC_INI: 735e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 736e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 737d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 738c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 7393ae7e66aSLeon Romanovsky case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; 740e126ba97SEli Cohen default: return -EINVAL; 741e126ba97SEli Cohen } 742e126ba97SEli Cohen } 743e126ba97SEli Cohen 74489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 74589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 74789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74889ea94a7SMaor Gottlieb 7497c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 75005f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7511ee47ab3SYishai Hadas bool dyn_bfreg) 752e126ba97SEli Cohen { 75305f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 75405f58cebSLeon Romanovsky u32 index_of_sys_page; 75505f58cebSLeon Romanovsky u32 offset; 756b037c29aSEli Cohen 7570a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7580a2fd01cSYishai Hadas return -EINVAL; 7590a2fd01cSYishai Hadas 760b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 761b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 762b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 763b037c29aSEli Cohen 76405f58cebSLeon Romanovsky if (dyn_bfreg) { 76505f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 76605f58cebSLeon Romanovsky 7677c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7687c043e90SYishai Hadas return -EINVAL; 7697c043e90SYishai Hadas 7701ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7711ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7721ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7731ee47ab3SYishai Hadas return -EINVAL; 7741ee47ab3SYishai Hadas } 7751ee47ab3SYishai Hadas } 776b037c29aSEli Cohen 7771ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 778b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 779e126ba97SEli Cohen } 780e126ba97SEli Cohen 781fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 782bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78379b20a6cSYishai Hadas { 784bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 785bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 786bdeacabdSShamir Rabinovitch udata, 787bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 788bdeacabdSShamir Rabinovitch ibucontext); 78979b20a6cSYishai Hadas 790fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 791fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 792fe248c3aSMaor Gottlieb 79379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79579b20a6cSYishai Hadas } 79679b20a6cSYishai Hadas 79779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 798b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 80079b20a6cSYishai Hadas { 80189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 80289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 803ad480ea5SJason Gunthorpe unsigned long page_size = 0; 80479b20a6cSYishai Hadas u32 offset = 0; 80579b20a6cSYishai Hadas int err; 80679b20a6cSYishai Hadas 80779b20a6cSYishai Hadas if (!ucmd->buf_addr) 80879b20a6cSYishai Hadas return -EINVAL; 80979b20a6cSYishai Hadas 810c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 81179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81479b20a6cSYishai Hadas return err; 81579b20a6cSYishai Hadas } 81679b20a6cSYishai Hadas 817ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 818ad480ea5SJason Gunthorpe rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 819ad480ea5SJason Gunthorpe page_offset, 64, &rwq->rq_page_offset); 820ad480ea5SJason Gunthorpe if (!page_size) { 82179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 822ad480ea5SJason Gunthorpe err = -EINVAL; 82379b20a6cSYishai Hadas goto err_umem; 82479b20a6cSYishai Hadas } 82579b20a6cSYishai Hadas 826ad480ea5SJason Gunthorpe rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); 827ad480ea5SJason Gunthorpe rwq->page_shift = order_base_2(page_size); 828ad480ea5SJason Gunthorpe rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT; 82979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 83079b20a6cSYishai Hadas 831f8fb3110SJason Gunthorpe mlx5_ib_dbg( 832f8fb3110SJason Gunthorpe dev, 833ad480ea5SJason Gunthorpe "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", 83479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 835ad480ea5SJason Gunthorpe ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, 836f8fb3110SJason Gunthorpe offset); 83779b20a6cSYishai Hadas 8380bedd3d0SLang Cheng err = mlx5_ib_db_map_user(ucontext, ucmd->db_addr, &rwq->db); 83979b20a6cSYishai Hadas if (err) { 84079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 84179b20a6cSYishai Hadas goto err_umem; 84279b20a6cSYishai Hadas } 84379b20a6cSYishai Hadas 84479b20a6cSYishai Hadas return 0; 84579b20a6cSYishai Hadas 84679b20a6cSYishai Hadas err_umem: 84779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84879b20a6cSYishai Hadas return err; 84979b20a6cSYishai Hadas } 85079b20a6cSYishai Hadas 851b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 852b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 853b037c29aSEli Cohen { 854b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 855b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 856b037c29aSEli Cohen } 857b037c29aSEli Cohen 85898fc1126SLeon Romanovsky static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 859e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 86076883a6cSLeon Romanovsky struct ib_qp_init_attr *attr, u32 **in, 86119098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 86276883a6cSLeon Romanovsky struct mlx5_ib_qp_base *base, 86376883a6cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 864e126ba97SEli Cohen { 865e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 86619098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 867a59b7b05SJason Gunthorpe unsigned int page_offset_quantized = 0; 868a59b7b05SJason Gunthorpe unsigned long page_size = 0; 8691ee47ab3SYishai Hadas int uar_index = 0; 8702f5ff264SEli Cohen int bfregn; 8719e9c47d0SEli Cohen int ncont = 0; 87209a7d9ecSSaeed Mahameed __be64 *pas; 87309a7d9ecSSaeed Mahameed void *qpc; 874e126ba97SEli Cohen int err; 8755aa3771dSYishai Hadas u16 uid; 876ac42a5eeSYishai Hadas u32 uar_flags; 877e126ba97SEli Cohen 87889944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 87989944450SShamir Rabinovitch ibucontext); 88076883a6cSLeon Romanovsky uar_flags = qp->flags_en & 88176883a6cSLeon Romanovsky (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); 882ac42a5eeSYishai Hadas switch (uar_flags) { 883ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 88476883a6cSLeon Romanovsky uar_index = ucmd->bfreg_index; 885ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 886ac42a5eeSYishai Hadas break; 887ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 8881ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 88976883a6cSLeon Romanovsky ucmd->bfreg_index, true); 8901ee47ab3SYishai Hadas if (uar_index < 0) 8911ee47ab3SYishai Hadas return uar_index; 8921ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 893ac42a5eeSYishai Hadas break; 894ac42a5eeSYishai Hadas case 0: 8952be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 896ac42a5eeSYishai Hadas return -EINVAL; 897ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 898ffaf58deSLeon Romanovsky if (bfregn < 0) 8992f5ff264SEli Cohen return bfregn; 900ac42a5eeSYishai Hadas break; 901ac42a5eeSYishai Hadas default: 902ac42a5eeSYishai Hadas return -EINVAL; 903e126ba97SEli Cohen } 904e126ba97SEli Cohen 9052f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9061ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9071ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9081ee47ab3SYishai Hadas false); 909e126ba97SEli Cohen 91048fea837SHaggai Eran qp->rq.offset = 0; 91148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 91248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91348fea837SHaggai Eran 91476883a6cSLeon Romanovsky err = set_user_buf_size(dev, qp, ucmd, base, attr); 915e126ba97SEli Cohen if (err) 9162f5ff264SEli Cohen goto err_bfreg; 917e126ba97SEli Cohen 91876883a6cSLeon Romanovsky if (ucmd->buf_addr && ubuffer->buf_size) { 91976883a6cSLeon Romanovsky ubuffer->buf_addr = ucmd->buf_addr; 920a59b7b05SJason Gunthorpe ubuffer->umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 921a59b7b05SJason Gunthorpe ubuffer->buf_size, 0); 922a59b7b05SJason Gunthorpe if (IS_ERR(ubuffer->umem)) { 923a59b7b05SJason Gunthorpe err = PTR_ERR(ubuffer->umem); 9242f5ff264SEli Cohen goto err_bfreg; 925a59b7b05SJason Gunthorpe } 926a59b7b05SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 927a59b7b05SJason Gunthorpe ubuffer->umem, qpc, log_page_size, 928a59b7b05SJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64, 929a59b7b05SJason Gunthorpe &page_offset_quantized); 930a59b7b05SJason Gunthorpe if (!page_size) { 931a59b7b05SJason Gunthorpe err = -EINVAL; 932a59b7b05SJason Gunthorpe goto err_umem; 933a59b7b05SJason Gunthorpe } 934a59b7b05SJason Gunthorpe ncont = ib_umem_num_dma_blocks(ubuffer->umem, page_size); 9359e9c47d0SEli Cohen } else { 93619098df2Smajd@mellanox.com ubuffer->umem = NULL; 9379e9c47d0SEli Cohen } 938e126ba97SEli Cohen 93909a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 94009a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9411b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 942e126ba97SEli Cohen if (!*in) { 943e126ba97SEli Cohen err = -ENOMEM; 944e126ba97SEli Cohen goto err_umem; 945e126ba97SEli Cohen } 946e126ba97SEli Cohen 94704bcc1c2SLeon Romanovsky uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9485aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 94909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 950a59b7b05SJason Gunthorpe pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 951a59b7b05SJason Gunthorpe if (ubuffer->umem) { 952a59b7b05SJason Gunthorpe mlx5_ib_populate_pas(ubuffer->umem, page_size, pas, 0); 953a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, log_page_size, 954a59b7b05SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 955a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, page_offset, page_offset_quantized); 956a59b7b05SJason Gunthorpe } 95709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9581ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 959b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9601ee47ab3SYishai Hadas else 9611ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9622f5ff264SEli Cohen qp->bfregn = bfregn; 963e126ba97SEli Cohen 9640bedd3d0SLang Cheng err = mlx5_ib_db_map_user(context, ucmd->db_addr, &qp->db); 965e126ba97SEli Cohen if (err) { 966e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 967e126ba97SEli Cohen goto err_free; 968e126ba97SEli Cohen } 969e126ba97SEli Cohen 970e126ba97SEli Cohen return 0; 971e126ba97SEli Cohen 972e126ba97SEli Cohen err_free: 973479163f4SAl Viro kvfree(*in); 974e126ba97SEli Cohen 975e126ba97SEli Cohen err_umem: 97619098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 977e126ba97SEli Cohen 9782f5ff264SEli Cohen err_bfreg: 9791ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9804ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 981e126ba97SEli Cohen return err; 982e126ba97SEli Cohen } 983e126ba97SEli Cohen 984747c519cSLeon Romanovsky static void destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 985747c519cSLeon Romanovsky struct mlx5_ib_qp_base *base, struct ib_udata *udata) 986e126ba97SEli Cohen { 987747c519cSLeon Romanovsky struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( 988747c519cSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 989e126ba97SEli Cohen 990747c519cSLeon Romanovsky if (udata) { 991747c519cSLeon Romanovsky /* User QP */ 992e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 99319098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 9941ee47ab3SYishai Hadas 9951ee47ab3SYishai Hadas /* 9961ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 9971ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 9981ee47ab3SYishai Hadas */ 9991ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10004ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1001747c519cSLeon Romanovsky return; 1002747c519cSLeon Romanovsky } 1003747c519cSLeon Romanovsky 1004747c519cSLeon Romanovsky /* Kernel QP */ 1005747c519cSLeon Romanovsky kvfree(qp->sq.wqe_head); 1006747c519cSLeon Romanovsky kvfree(qp->sq.w_list); 1007747c519cSLeon Romanovsky kvfree(qp->sq.wrid); 1008747c519cSLeon Romanovsky kvfree(qp->sq.wr_data); 1009747c519cSLeon Romanovsky kvfree(qp->rq.wrid); 1010747c519cSLeon Romanovsky if (qp->db.db) 1011747c519cSLeon Romanovsky mlx5_db_free(dev->mdev, &qp->db); 1012747c519cSLeon Romanovsky if (qp->buf.frags) 1013747c519cSLeon Romanovsky mlx5_frag_buf_free(dev->mdev, &qp->buf); 1014e126ba97SEli Cohen } 1015e126ba97SEli Cohen 101698fc1126SLeon Romanovsky static int _create_kernel_qp(struct mlx5_ib_dev *dev, 1017e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 101898fc1126SLeon Romanovsky struct mlx5_ib_qp *qp, u32 **in, int *inlen, 101919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1020e126ba97SEli Cohen { 1021e126ba97SEli Cohen int uar_index; 102209a7d9ecSSaeed Mahameed void *qpc; 1023e126ba97SEli Cohen int err; 1024e126ba97SEli Cohen 1025e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10265fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 10272978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 102811f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 10295fe9dec0SEli Cohen else 10305fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1031e126ba97SEli Cohen 1032d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1033d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1034d8030b0dSEli Cohen */ 1035d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10365fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1037e126ba97SEli Cohen 1038e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1039e126ba97SEli Cohen if (err < 0) { 1040e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10415fe9dec0SEli Cohen return err; 1042e126ba97SEli Cohen } 1043e126ba97SEli Cohen 1044e126ba97SEli Cohen qp->rq.offset = 0; 1045e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 104619098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1047e126ba97SEli Cohen 104834f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 104934f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1050e126ba97SEli Cohen if (err) { 1051e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10525fe9dec0SEli Cohen return err; 1053e126ba97SEli Cohen } 1054e126ba97SEli Cohen 105534f4c955SGuy Levi if (qp->rq.wqe_cnt) 105634f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 105734f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 105834f4c955SGuy Levi 105934f4c955SGuy Levi if (qp->sq.wqe_cnt) { 106034f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 106134f4c955SGuy Levi MLX5_SEND_WQE_BB; 106234f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 106334f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 106434f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 106534f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 106634f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 106734f4c955SGuy Levi 106834f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 106934f4c955SGuy Levi } 107034f4c955SGuy Levi 107109a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 107209a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10731b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1074e126ba97SEli Cohen if (!*in) { 1075e126ba97SEli Cohen err = -ENOMEM; 1076e126ba97SEli Cohen goto err_buf; 1077e126ba97SEli Cohen } 107809a7d9ecSSaeed Mahameed 107909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 108009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 10818256c69bSMaor Gottlieb MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); 108209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 108309a7d9ecSSaeed Mahameed 1084e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 108509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 108609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1087e126ba97SEli Cohen 10882978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 108909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1090b11a4f9cSHaggai Eran 109134f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 109234f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 109334f4c955SGuy Levi *in, pas)); 1094e126ba97SEli Cohen 10959603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1096e126ba97SEli Cohen if (err) { 1097e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1098e126ba97SEli Cohen goto err_free; 1099e126ba97SEli Cohen } 1100e126ba97SEli Cohen 1101b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1102b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1103b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1104b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1105b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1106b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1107b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1108b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1109b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1110b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1111e126ba97SEli Cohen 1112e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1113e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1114e126ba97SEli Cohen err = -ENOMEM; 1115e126ba97SEli Cohen goto err_wrid; 1116e126ba97SEli Cohen } 1117e126ba97SEli Cohen 1118e126ba97SEli Cohen return 0; 1119e126ba97SEli Cohen 1120e126ba97SEli Cohen err_wrid: 1121b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1122b5883008SLi Dongyang kvfree(qp->sq.w_list); 1123b5883008SLi Dongyang kvfree(qp->sq.wrid); 1124b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1125b5883008SLi Dongyang kvfree(qp->rq.wrid); 1126f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1127e126ba97SEli Cohen 1128e126ba97SEli Cohen err_free: 1129479163f4SAl Viro kvfree(*in); 1130e126ba97SEli Cohen 1131e126ba97SEli Cohen err_buf: 113234f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1133e126ba97SEli Cohen return err; 1134e126ba97SEli Cohen } 1135e126ba97SEli Cohen 113609a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1137e126ba97SEli Cohen { 11387aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11397aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 114009a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1141e126ba97SEli Cohen else if (!qp->has_rq) 114209a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11437aede1a2SLeon Romanovsky 114409a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1145e126ba97SEli Cohen } 1146e126ba97SEli Cohen 11470fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1148c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11491cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11501cd6dbd3SYishai Hadas struct ib_pd *pd) 11510fb2ed66Smajd@mellanox.com { 1152e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11530fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11540fb2ed66Smajd@mellanox.com 11551cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11560fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11572be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1158c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1159c2e53b2cSYishai Hadas 1160e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11610fb2ed66Smajd@mellanox.com } 11620fb2ed66Smajd@mellanox.com 11630fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11641cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11650fb2ed66Smajd@mellanox.com { 11661cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11670fb2ed66Smajd@mellanox.com } 11680fb2ed66Smajd@mellanox.com 1169d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1170b96c9ddeSMark Bloch { 1171b96c9ddeSMark Bloch if (sq->flow_rule) 1172b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1173d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1174b96c9ddeSMark Bloch } 1175b96c9ddeSMark Bloch 11769a1ac95aSAharon Landau static bool fr_supported(int ts_cap) 11772fe8d4b8SAharon Landau { 11789a1ac95aSAharon Landau return ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || 11799a1ac95aSAharon Landau ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; 11809a1ac95aSAharon Landau } 11812fe8d4b8SAharon Landau 11829a1ac95aSAharon Landau static int get_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, 118333652951SAharon Landau bool fr_sup, bool rt_sup) 11849a1ac95aSAharon Landau { 118533652951SAharon Landau if (cq->private_flags & MLX5_IB_CQ_PR_FLAGS_REAL_TIME_TS) { 118633652951SAharon Landau if (!rt_sup) { 118733652951SAharon Landau mlx5_ib_dbg(dev, 118833652951SAharon Landau "Real time TS format is not supported\n"); 11892fe8d4b8SAharon Landau return -EOPNOTSUPP; 11902fe8d4b8SAharon Landau } 119133652951SAharon Landau return MLX5_TIMESTAMP_FORMAT_REAL_TIME; 11922fe8d4b8SAharon Landau } 11939a1ac95aSAharon Landau if (cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) { 11949a1ac95aSAharon Landau if (!fr_sup) { 11959a1ac95aSAharon Landau mlx5_ib_dbg(dev, 11969a1ac95aSAharon Landau "Free running TS format is not supported\n"); 11972fe8d4b8SAharon Landau return -EOPNOTSUPP; 11982fe8d4b8SAharon Landau } 11999a1ac95aSAharon Landau return MLX5_TIMESTAMP_FORMAT_FREE_RUNNING; 12002fe8d4b8SAharon Landau } 12019a1ac95aSAharon Landau return fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : 12029a1ac95aSAharon Landau MLX5_TIMESTAMP_FORMAT_DEFAULT; 12039a1ac95aSAharon Landau } 12049a1ac95aSAharon Landau 12059a1ac95aSAharon Landau static int get_rq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *recv_cq) 12069a1ac95aSAharon Landau { 12079a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_GEN(dev->mdev, rq_ts_format); 12089a1ac95aSAharon Landau 120933652951SAharon Landau return get_ts_format(dev, recv_cq, fr_supported(ts_cap), 121033652951SAharon Landau rt_supported(ts_cap)); 12112fe8d4b8SAharon Landau } 12122fe8d4b8SAharon Landau 12132fe8d4b8SAharon Landau static int get_sq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq) 12142fe8d4b8SAharon Landau { 12159a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_GEN(dev->mdev, sq_ts_format); 12162fe8d4b8SAharon Landau 121733652951SAharon Landau return get_ts_format(dev, send_cq, fr_supported(ts_cap), 121833652951SAharon Landau rt_supported(ts_cap)); 12192fe8d4b8SAharon Landau } 12202fe8d4b8SAharon Landau 12212fe8d4b8SAharon Landau static int get_qp_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq, 12222fe8d4b8SAharon Landau struct mlx5_ib_cq *recv_cq) 12232fe8d4b8SAharon Landau { 12249a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_ROCE(dev->mdev, qp_ts_format); 12259a1ac95aSAharon Landau bool fr_sup = fr_supported(ts_cap); 122633652951SAharon Landau bool rt_sup = rt_supported(ts_cap); 12279a1ac95aSAharon Landau u8 default_ts = fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : 12289a1ac95aSAharon Landau MLX5_TIMESTAMP_FORMAT_DEFAULT; 12299a1ac95aSAharon Landau int send_ts_format = 123033652951SAharon Landau send_cq ? get_ts_format(dev, send_cq, fr_sup, rt_sup) : 12319a1ac95aSAharon Landau default_ts; 12329a1ac95aSAharon Landau int recv_ts_format = 123333652951SAharon Landau recv_cq ? get_ts_format(dev, recv_cq, fr_sup, rt_sup) : 12349a1ac95aSAharon Landau default_ts; 12352fe8d4b8SAharon Landau 12369a1ac95aSAharon Landau if (send_ts_format < 0 || recv_ts_format < 0) 12372fe8d4b8SAharon Landau return -EOPNOTSUPP; 12382fe8d4b8SAharon Landau 123933652951SAharon Landau if (send_ts_format != MLX5_TIMESTAMP_FORMAT_DEFAULT && 124033652951SAharon Landau recv_ts_format != MLX5_TIMESTAMP_FORMAT_DEFAULT && 124133652951SAharon Landau send_ts_format != recv_ts_format) { 124233652951SAharon Landau mlx5_ib_dbg( 124333652951SAharon Landau dev, 124433652951SAharon Landau "The send ts_format does not match the receive ts_format\n"); 12452fe8d4b8SAharon Landau return -EOPNOTSUPP; 12462fe8d4b8SAharon Landau } 124733652951SAharon Landau 12489a1ac95aSAharon Landau return send_ts_format == default_ts ? recv_ts_format : send_ts_format; 12492fe8d4b8SAharon Landau } 12502fe8d4b8SAharon Landau 12510fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1252b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12530fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12542fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 12550fb2ed66Smajd@mellanox.com { 12560fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12570fb2ed66Smajd@mellanox.com __be64 *pas; 12580fb2ed66Smajd@mellanox.com void *in; 12590fb2ed66Smajd@mellanox.com void *sqc; 12600fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12610fb2ed66Smajd@mellanox.com void *wq; 12620fb2ed66Smajd@mellanox.com int inlen; 12630fb2ed66Smajd@mellanox.com int err; 1264ad480ea5SJason Gunthorpe unsigned int page_offset_quantized; 1265ad480ea5SJason Gunthorpe unsigned long page_size; 12662fe8d4b8SAharon Landau int ts_format; 12672fe8d4b8SAharon Landau 12682fe8d4b8SAharon Landau ts_format = get_sq_ts_format(dev, cq); 12692fe8d4b8SAharon Landau if (ts_format < 0) 12702fe8d4b8SAharon Landau return ts_format; 12710fb2ed66Smajd@mellanox.com 1272ad480ea5SJason Gunthorpe sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 1273ad480ea5SJason Gunthorpe ubuffer->buf_size, 0); 1274ad480ea5SJason Gunthorpe if (IS_ERR(sq->ubuffer.umem)) 1275ad480ea5SJason Gunthorpe return PTR_ERR(sq->ubuffer.umem); 1276ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 1277ad480ea5SJason Gunthorpe ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 1278ad480ea5SJason Gunthorpe page_offset, 64, &page_offset_quantized); 1279ad480ea5SJason Gunthorpe if (!page_size) { 1280ad480ea5SJason Gunthorpe err = -EINVAL; 1281ad480ea5SJason Gunthorpe goto err_umem; 1282ad480ea5SJason Gunthorpe } 12830fb2ed66Smajd@mellanox.com 12847db0eea9SJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1285ad480ea5SJason Gunthorpe sizeof(u64) * 1286ad480ea5SJason Gunthorpe ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size); 12871b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12880fb2ed66Smajd@mellanox.com if (!in) { 12890fb2ed66Smajd@mellanox.com err = -ENOMEM; 12900fb2ed66Smajd@mellanox.com goto err_umem; 12910fb2ed66Smajd@mellanox.com } 12920fb2ed66Smajd@mellanox.com 1293c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12940fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12950fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1296795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1297795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12980fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12992fe8d4b8SAharon Landau MLX5_SET(sqc, sqc, ts_format, ts_format); 13000fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13010fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 13020fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 13030fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 130496dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 130596dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 130696dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 13070fb2ed66Smajd@mellanox.com 13080fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 13090fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 13100fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13110fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 13120fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13130fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 13140fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 1315ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 1316ad480ea5SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 1317ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13180fb2ed66Smajd@mellanox.com 13190fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 1320ad480ea5SJason Gunthorpe mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0); 13210fb2ed66Smajd@mellanox.com 1322333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 13230fb2ed66Smajd@mellanox.com 13240fb2ed66Smajd@mellanox.com kvfree(in); 13250fb2ed66Smajd@mellanox.com 13260fb2ed66Smajd@mellanox.com if (err) 13270fb2ed66Smajd@mellanox.com goto err_umem; 13280fb2ed66Smajd@mellanox.com 13290fb2ed66Smajd@mellanox.com return 0; 13300fb2ed66Smajd@mellanox.com 13310fb2ed66Smajd@mellanox.com err_umem: 13320fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13330fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13340fb2ed66Smajd@mellanox.com 13350fb2ed66Smajd@mellanox.com return err; 13360fb2ed66Smajd@mellanox.com } 13370fb2ed66Smajd@mellanox.com 13380fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13390fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13400fb2ed66Smajd@mellanox.com { 1341d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1342333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 13430fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13440fb2ed66Smajd@mellanox.com } 13450fb2ed66Smajd@mellanox.com 13460fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13472c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 13482fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 13490fb2ed66Smajd@mellanox.com { 1350358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13510fb2ed66Smajd@mellanox.com __be64 *pas; 13520fb2ed66Smajd@mellanox.com void *in; 13530fb2ed66Smajd@mellanox.com void *rqc; 13540fb2ed66Smajd@mellanox.com void *wq; 13550fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13567579dcdfSJason Gunthorpe struct ib_umem *umem = rq->base.ubuffer.umem; 13577579dcdfSJason Gunthorpe unsigned int page_offset_quantized; 13587579dcdfSJason Gunthorpe unsigned long page_size = 0; 13592fe8d4b8SAharon Landau int ts_format; 13602c292dbbSBoris Pismenny size_t inlen; 13610fb2ed66Smajd@mellanox.com int err; 13622c292dbbSBoris Pismenny 13632fe8d4b8SAharon Landau ts_format = get_rq_ts_format(dev, cq); 13642fe8d4b8SAharon Landau if (ts_format < 0) 13652fe8d4b8SAharon Landau return ts_format; 13662fe8d4b8SAharon Landau 13677579dcdfSJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz, 13687579dcdfSJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, 13697579dcdfSJason Gunthorpe page_offset, 64, 13707579dcdfSJason Gunthorpe &page_offset_quantized); 13717579dcdfSJason Gunthorpe if (!page_size) 13722c292dbbSBoris Pismenny return -EINVAL; 13730fb2ed66Smajd@mellanox.com 13747579dcdfSJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 13757579dcdfSJason Gunthorpe sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size); 13761b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13770fb2ed66Smajd@mellanox.com if (!in) 13780fb2ed66Smajd@mellanox.com return -ENOMEM; 13790fb2ed66Smajd@mellanox.com 138034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13810fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1382e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13830fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13840fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13850fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13862fe8d4b8SAharon Landau MLX5_SET(rqc, rqc, ts_format, ts_format); 13870fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13880fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13890fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13900fb2ed66Smajd@mellanox.com 13912be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1392358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1393358e42eaSMajd Dibbiny 13940fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13950fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1396b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1397b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13987579dcdfSJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13990fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 14000fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 14010fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 14027579dcdfSJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 14037579dcdfSJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 14040fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 14050fb2ed66Smajd@mellanox.com 14060fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 14077579dcdfSJason Gunthorpe mlx5_ib_populate_pas(umem, page_size, pas, 0); 14080fb2ed66Smajd@mellanox.com 1409333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 14100fb2ed66Smajd@mellanox.com 14110fb2ed66Smajd@mellanox.com kvfree(in); 14120fb2ed66Smajd@mellanox.com 14130fb2ed66Smajd@mellanox.com return err; 14140fb2ed66Smajd@mellanox.com } 14150fb2ed66Smajd@mellanox.com 14160fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 14170fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 14180fb2ed66Smajd@mellanox.com { 1419333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 14200fb2ed66Smajd@mellanox.com } 14210fb2ed66Smajd@mellanox.com 14220042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14230042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1424443c1cf9SYishai Hadas u32 qp_flags_en, 1425443c1cf9SYishai Hadas struct ib_pd *pd) 14260042f9e4SMark Bloch { 14270042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14280042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14290042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1430443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14310042f9e4SMark Bloch } 14320042f9e4SMark Bloch 14330fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1434f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1435e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1436e0b4b472SLeon Romanovsky u32 *out) 14370fb2ed66Smajd@mellanox.com { 1438175edba8SMark Bloch u8 lb_flag = 0; 14390fb2ed66Smajd@mellanox.com u32 *in; 14400fb2ed66Smajd@mellanox.com void *tirc; 14410fb2ed66Smajd@mellanox.com int inlen; 14420fb2ed66Smajd@mellanox.com int err; 14430fb2ed66Smajd@mellanox.com 14440fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14451b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14460fb2ed66Smajd@mellanox.com if (!in) 14470fb2ed66Smajd@mellanox.com return -ENOMEM; 14480fb2ed66Smajd@mellanox.com 1449443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14500fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14510fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14520fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14530fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1454175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1455f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14560fb2ed66Smajd@mellanox.com 1457175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1458175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1459175edba8SMark Bloch 1460175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1461175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1462175edba8SMark Bloch 14636a4d00beSMark Bloch if (dev->is_rep) { 1464175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1465175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1466175edba8SMark Bloch } 1467175edba8SMark Bloch 1468175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1469e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1470e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14711f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14720042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14730042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14740042f9e4SMark Bloch 14750042f9e4SMark Bloch if (err) 1476443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14770042f9e4SMark Bloch } 14780fb2ed66Smajd@mellanox.com kvfree(in); 14790fb2ed66Smajd@mellanox.com 14800fb2ed66Smajd@mellanox.com return err; 14810fb2ed66Smajd@mellanox.com } 14820fb2ed66Smajd@mellanox.com 14830fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14842fe8d4b8SAharon Landau u32 *in, size_t inlen, struct ib_pd *pd, 14857f72052cSYishai Hadas struct ib_udata *udata, 14862fe8d4b8SAharon Landau struct mlx5_ib_create_qp_resp *resp, 14872fe8d4b8SAharon Landau struct ib_qp_init_attr *init_attr) 14880fb2ed66Smajd@mellanox.com { 14890fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14900fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14910fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 149289944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 149389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14940fb2ed66Smajd@mellanox.com int err; 14950fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14967f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14971f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14980fb2ed66Smajd@mellanox.com 14990eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 15000eacc574SAharon Landau return -EINVAL; 15010fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15021cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 15030fb2ed66Smajd@mellanox.com if (err) 15040fb2ed66Smajd@mellanox.com return err; 15050fb2ed66Smajd@mellanox.com 15062fe8d4b8SAharon Landau err = create_raw_packet_qp_sq(dev, udata, sq, in, pd, 15072fe8d4b8SAharon Landau to_mcq(init_attr->send_cq)); 15080fb2ed66Smajd@mellanox.com if (err) 15090fb2ed66Smajd@mellanox.com goto err_destroy_tis; 15100fb2ed66Smajd@mellanox.com 15117f72052cSYishai Hadas if (uid) { 15127f72052cSYishai Hadas resp->tisn = sq->tisn; 15137f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 15147f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 15157f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 15167f72052cSYishai Hadas } 15177f72052cSYishai Hadas 15180fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 15191d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15200fb2ed66Smajd@mellanox.com } 15210fb2ed66Smajd@mellanox.com 15220fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1523358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1524358e42eaSMajd Dibbiny 15252be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1526e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 15272be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1528b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 15292fe8d4b8SAharon Landau err = create_raw_packet_qp_rq(dev, rq, in, pd, 15302fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 15310fb2ed66Smajd@mellanox.com if (err) 15320fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15330fb2ed66Smajd@mellanox.com 1534e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1535e0b4b472SLeon Romanovsky out); 15360fb2ed66Smajd@mellanox.com if (err) 15370fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15387f72052cSYishai Hadas 15397f72052cSYishai Hadas if (uid) { 15407f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15417f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15427f72052cSYishai Hadas resp->tirn = rq->tirn; 15437f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 154454a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 154554a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 15461f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15471f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15481f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15491f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15501f1d6abbSAriel Levkovich icm_address_39_32) 15511f1d6abbSAriel Levkovich << 32; 15521f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15531f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15541f1d6abbSAriel Levkovich icm_address_63_40) 15551f1d6abbSAriel Levkovich << 40; 15561f1d6abbSAriel Levkovich resp->comp_mask |= 15571f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15581f1d6abbSAriel Levkovich } 15597f72052cSYishai Hadas } 15600fb2ed66Smajd@mellanox.com } 15610fb2ed66Smajd@mellanox.com 15620fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15630fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15640fb2ed66Smajd@mellanox.com return 0; 15650fb2ed66Smajd@mellanox.com 15660fb2ed66Smajd@mellanox.com err_destroy_rq: 15670fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15680fb2ed66Smajd@mellanox.com err_destroy_sq: 15690fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15700fb2ed66Smajd@mellanox.com return err; 15710fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15720fb2ed66Smajd@mellanox.com err_destroy_tis: 15731cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15740fb2ed66Smajd@mellanox.com 15750fb2ed66Smajd@mellanox.com return err; 15760fb2ed66Smajd@mellanox.com } 15770fb2ed66Smajd@mellanox.com 15780fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15790fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15800fb2ed66Smajd@mellanox.com { 15810fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15820fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15830fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15840fb2ed66Smajd@mellanox.com 15850fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1586443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15870fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15880fb2ed66Smajd@mellanox.com } 15890fb2ed66Smajd@mellanox.com 15900fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15910fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15921cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15930fb2ed66Smajd@mellanox.com } 15940fb2ed66Smajd@mellanox.com } 15950fb2ed66Smajd@mellanox.com 15960fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15970fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15980fb2ed66Smajd@mellanox.com { 15990fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16000fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16010fb2ed66Smajd@mellanox.com 16020fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 16030fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 16040fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 16050fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 16060fb2ed66Smajd@mellanox.com } 16070fb2ed66Smajd@mellanox.com 160828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 160928d61370SYishai Hadas { 16100042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 16110042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 16120042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1613443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1614443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 161528d61370SYishai Hadas } 161628d61370SYishai Hadas 1617f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1618f78d358cSLeon Romanovsky struct ib_udata *udata; 1619f78d358cSLeon Romanovsky size_t inlen; 16206f2cf76eSLeon Romanovsky size_t outlen; 1621e383085cSLeon Romanovsky size_t ucmd_size; 1622f78d358cSLeon Romanovsky void *ucmd; 1623f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1624f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1625f78d358cSLeon Romanovsky u32 uidx; 162608d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1627f78d358cSLeon Romanovsky }; 1628f78d358cSLeon Romanovsky 1629f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1630f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1631f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 163228d61370SYishai Hadas { 1633f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1634f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1635f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 163689944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 163789944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 163828d61370SYishai Hadas int inlen; 16391f1d6abbSAriel Levkovich int outlen; 164028d61370SYishai Hadas int err; 164128d61370SYishai Hadas u32 *in; 16421f1d6abbSAriel Levkovich u32 *out; 164328d61370SYishai Hadas void *tirc; 164428d61370SYishai Hadas void *hfso; 164528d61370SYishai Hadas u32 selected_fields = 0; 16462d93fc85SMatan Barak u32 outer_l4; 164728d61370SYishai Hadas u32 tdn = mucontext->tdn; 1648175edba8SMark Bloch u8 lb_flag = 0; 164928d61370SYishai Hadas 16505ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 165128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 165228d61370SYishai Hadas return -EOPNOTSUPP; 165328d61370SYishai Hadas } 165428d61370SYishai Hadas 16555ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 16565ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1657309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1658309fa347SMaor Gottlieb return -EOPNOTSUPP; 1659309fa347SMaor Gottlieb } 1660309fa347SMaor Gottlieb 166137518fa4SLeon Romanovsky if (dev->is_rep) 1662175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1663175edba8SMark Bloch 166437518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 166537518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 166637518fa4SLeon Romanovsky 166737518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1668175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1669175edba8SMark Bloch 167028d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16711f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16721f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 167328d61370SYishai Hadas if (!in) 167428d61370SYishai Hadas return -ENOMEM; 167528d61370SYishai Hadas 16761f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1677443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 167828d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 167928d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 168028d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 168128d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 168228d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 168328d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 168428d61370SYishai Hadas 168528d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1686f95ef6cbSMaor Gottlieb 16875ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1688f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1689f95ef6cbSMaor Gottlieb 1690175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1691175edba8SMark Bloch 16925ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1693309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1694309fa347SMaor Gottlieb else 1695309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1696309fa347SMaor Gottlieb 16975ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 169828d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 169928d61370SYishai Hadas { 170028d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 170128d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 170228d61370SYishai Hadas 17035ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 170428d61370SYishai Hadas err = -EINVAL; 170528d61370SYishai Hadas goto err; 170628d61370SYishai Hadas } 170728d61370SYishai Hadas 170828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 17095ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 171028d61370SYishai Hadas break; 171128d61370SYishai Hadas } 171228d61370SYishai Hadas default: 171328d61370SYishai Hadas err = -EOPNOTSUPP; 171428d61370SYishai Hadas goto err; 171528d61370SYishai Hadas } 171628d61370SYishai Hadas 17175ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 171828d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 171928d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 172028d61370SYishai Hadas goto create_tir; 172128d61370SYishai Hadas err = -EINVAL; 172228d61370SYishai Hadas goto err; 172328d61370SYishai Hadas } 172428d61370SYishai Hadas 17255ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17265ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 17275ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17285ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 172928d61370SYishai Hadas err = -EINVAL; 173028d61370SYishai Hadas goto err; 173128d61370SYishai Hadas } 173228d61370SYishai Hadas 173328d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 17345ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17355ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 173628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 173728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 17385ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17395ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 174028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 174128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 174228d61370SYishai Hadas 17435ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17445ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 17455ce0592bSLeon Romanovsky << 0 | 17465ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17475ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 17485ce0592bSLeon Romanovsky << 1 | 17495ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17502d93fc85SMatan Barak 17512d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17522d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 175328d61370SYishai Hadas err = -EINVAL; 175428d61370SYishai Hadas goto err; 175528d61370SYishai Hadas } 175628d61370SYishai Hadas 175728d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 17585ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17595ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 176028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 176128d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 17625ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17635ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 176428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 176528d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 176628d61370SYishai Hadas 17675ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17685ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 176928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 177028d61370SYishai Hadas 17715ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 17725ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 177328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 177428d61370SYishai Hadas 17755ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17765ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 177728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 177828d61370SYishai Hadas 17795ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 17805ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 178128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 178228d61370SYishai Hadas 17835ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17842d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17852d93fc85SMatan Barak 178628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 178728d61370SYishai Hadas 178828d61370SYishai Hadas create_tir: 1789e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1790e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 179128d61370SYishai Hadas 17921f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17930042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17940042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17950042f9e4SMark Bloch 17960042f9e4SMark Bloch if (err) 1797443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1798443c1cf9SYishai Hadas to_mpd(pd)->uid); 17990042f9e4SMark Bloch } 18000042f9e4SMark Bloch 180128d61370SYishai Hadas if (err) 180228d61370SYishai Hadas goto err; 180328d61370SYishai Hadas 18047f72052cSYishai Hadas if (mucontext->devx_uid) { 180508d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 180608d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 180754a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 180854a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 180908d53976SLeon Romanovsky params->resp.tir_icm_addr = 18101f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 181108d53976SLeon Romanovsky params->resp.tir_icm_addr |= 181208d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 18131f1d6abbSAriel Levkovich icm_address_39_32) 18141f1d6abbSAriel Levkovich << 32; 181508d53976SLeon Romanovsky params->resp.tir_icm_addr |= 181608d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 18171f1d6abbSAriel Levkovich icm_address_63_40) 18181f1d6abbSAriel Levkovich << 40; 181908d53976SLeon Romanovsky params->resp.comp_mask |= 18201f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18211f1d6abbSAriel Levkovich } 18227f72052cSYishai Hadas } 18237f72052cSYishai Hadas 182428d61370SYishai Hadas kvfree(in); 182528d61370SYishai Hadas /* qpn is reserved for that QP */ 182628d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 18272be08c30SLeon Romanovsky qp->is_rss = true; 182828d61370SYishai Hadas return 0; 182928d61370SYishai Hadas 183028d61370SYishai Hadas err: 183128d61370SYishai Hadas kvfree(in); 183228d61370SYishai Hadas return err; 183328d61370SYishai Hadas } 183428d61370SYishai Hadas 18355d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 183681530ab0SLeon Romanovsky struct mlx5_ib_qp *qp, 18375d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18385d6ff1baSYonatan Cohen void *qpc) 18395d6ff1baSYonatan Cohen { 18405d6ff1baSYonatan Cohen int scqe_sz; 18412ab367a7Szhengbin bool allow_scat_cqe = false; 18425d6ff1baSYonatan Cohen 184381530ab0SLeon Romanovsky allow_scat_cqe = qp->flags_en & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18446f4bc0eaSYonatan Cohen 18456f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18465d6ff1baSYonatan Cohen return; 18475d6ff1baSYonatan Cohen 18485d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18495d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18505d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18515d6ff1baSYonatan Cohen return; 18525d6ff1baSYonatan Cohen } 18535d6ff1baSYonatan Cohen 18545d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 18555d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 18565d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 18575d6ff1baSYonatan Cohen } 18585d6ff1baSYonatan Cohen 1859a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1860a60109dcSYonatan Cohen { 1861a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1862a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1863a60109dcSYonatan Cohen */ 1864a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1865a60109dcSYonatan Cohen int log_max_size; 1866a60109dcSYonatan Cohen 1867a60109dcSYonatan Cohen if (!supported_size_mask) 1868a60109dcSYonatan Cohen return -EOPNOTSUPP; 1869a60109dcSYonatan Cohen 1870a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1871a60109dcSYonatan Cohen 1872a60109dcSYonatan Cohen if (log_max_size > 3) 1873a60109dcSYonatan Cohen return log_max_size; 1874a60109dcSYonatan Cohen 1875a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1876a60109dcSYonatan Cohen } 1877a60109dcSYonatan Cohen 1878a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1879a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1880a60109dcSYonatan Cohen { 1881a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1882a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1883a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1884a60109dcSYonatan Cohen int atomic_size_mask; 1885a60109dcSYonatan Cohen 1886a60109dcSYonatan Cohen if (!atomic) 1887a60109dcSYonatan Cohen return -EOPNOTSUPP; 1888a60109dcSYonatan Cohen 1889a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1890a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1891a60109dcSYonatan Cohen else 1892a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1893a60109dcSYonatan Cohen 1894a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1895a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1896a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1897a60109dcSYonatan Cohen 1898a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1899a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1900a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1901a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1902a60109dcSYonatan Cohen 1903a60109dcSYonatan Cohen return atomic_mode; 1904a60109dcSYonatan Cohen } 1905a60109dcSYonatan Cohen 1906f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1907f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 190804bcc1c2SLeon Romanovsky { 1909e383085cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1910f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1911f78d358cSLeon Romanovsky u32 uidx = params->uidx; 191204bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 19133e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 191404bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 191504bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 191604bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 191704bcc1c2SLeon Romanovsky unsigned long flags; 191804bcc1c2SLeon Romanovsky void *qpc; 191904bcc1c2SLeon Romanovsky u32 *in; 192004bcc1c2SLeon Romanovsky int err; 192104bcc1c2SLeon Romanovsky 192204bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 192304bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 192404bcc1c2SLeon Romanovsky 192504bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 192604bcc1c2SLeon Romanovsky if (!in) 192704bcc1c2SLeon Romanovsky return -ENOMEM; 192804bcc1c2SLeon Romanovsky 19296eefa839SLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support) && ucmd) 1930e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 193104bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 193204bcc1c2SLeon Romanovsky 193304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 193404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 193504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 193604bcc1c2SLeon Romanovsky 193704bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 193804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 193904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 194004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 194104bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 194204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 194304bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 194404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 194504bcc1c2SLeon Romanovsky 19468256c69bSMaor Gottlieb MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); 194704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 194804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 194904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 195004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 195104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 195204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 195304bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 195404bcc1c2SLeon Romanovsky 195504bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 195604bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 195704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 195804bcc1c2SLeon Romanovsky 195904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 196004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 196104bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 196204bcc1c2SLeon Romanovsky /* Special case to clean flag */ 196304bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 196404bcc1c2SLeon Romanovsky } 196504bcc1c2SLeon Romanovsky 196604bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 19673e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 196804bcc1c2SLeon Romanovsky kvfree(in); 19696367da46SLeon Romanovsky if (err) 197004bcc1c2SLeon Romanovsky return err; 197104bcc1c2SLeon Romanovsky 197204bcc1c2SLeon Romanovsky base->container_mibqp = qp; 197304bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 197492cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 19753e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 197604bcc1c2SLeon Romanovsky 197704bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 197804bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 197904bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 198004bcc1c2SLeon Romanovsky 1981968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 198204bcc1c2SLeon Romanovsky return 0; 198304bcc1c2SLeon Romanovsky } 198404bcc1c2SLeon Romanovsky 19852013b4d5SLior Nahmanson static int create_dci(struct mlx5_ib_dev *dev, struct ib_pd *pd, 19862013b4d5SLior Nahmanson struct mlx5_ib_qp *qp, 19872013b4d5SLior Nahmanson struct mlx5_create_qp_params *params) 19882013b4d5SLior Nahmanson { 19892013b4d5SLior Nahmanson struct ib_qp_init_attr *init_attr = params->attr; 19902013b4d5SLior Nahmanson struct mlx5_ib_create_qp *ucmd = params->ucmd; 19912013b4d5SLior Nahmanson u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 19922013b4d5SLior Nahmanson struct ib_udata *udata = params->udata; 19932013b4d5SLior Nahmanson u32 uidx = params->uidx; 19942013b4d5SLior Nahmanson struct mlx5_ib_resources *devr = &dev->devr; 19952013b4d5SLior Nahmanson int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 19962013b4d5SLior Nahmanson struct mlx5_core_dev *mdev = dev->mdev; 19972013b4d5SLior Nahmanson struct mlx5_ib_cq *send_cq; 19982013b4d5SLior Nahmanson struct mlx5_ib_cq *recv_cq; 19992013b4d5SLior Nahmanson unsigned long flags; 20002013b4d5SLior Nahmanson struct mlx5_ib_qp_base *base; 20012013b4d5SLior Nahmanson int ts_format; 20022013b4d5SLior Nahmanson int mlx5_st; 20032013b4d5SLior Nahmanson void *qpc; 20042013b4d5SLior Nahmanson u32 *in; 20052013b4d5SLior Nahmanson int err; 20062013b4d5SLior Nahmanson 20072013b4d5SLior Nahmanson spin_lock_init(&qp->sq.lock); 20082013b4d5SLior Nahmanson spin_lock_init(&qp->rq.lock); 20092013b4d5SLior Nahmanson 20102013b4d5SLior Nahmanson mlx5_st = to_mlx5_st(qp->type); 20112013b4d5SLior Nahmanson if (mlx5_st < 0) 20122013b4d5SLior Nahmanson return -EINVAL; 20132013b4d5SLior Nahmanson 20142013b4d5SLior Nahmanson if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 20152013b4d5SLior Nahmanson qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 20162013b4d5SLior Nahmanson 20172013b4d5SLior Nahmanson base = &qp->trans_qp.base; 20182013b4d5SLior Nahmanson 20192013b4d5SLior Nahmanson qp->has_rq = qp_has_rq(init_attr); 20202013b4d5SLior Nahmanson err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 20212013b4d5SLior Nahmanson if (err) { 20222013b4d5SLior Nahmanson mlx5_ib_dbg(dev, "err %d\n", err); 20232013b4d5SLior Nahmanson return err; 20242013b4d5SLior Nahmanson } 20252013b4d5SLior Nahmanson 20262013b4d5SLior Nahmanson if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 20272013b4d5SLior Nahmanson ucmd->rq_wqe_count != qp->rq.wqe_cnt) 20282013b4d5SLior Nahmanson return -EINVAL; 20292013b4d5SLior Nahmanson 20302013b4d5SLior Nahmanson if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 20312013b4d5SLior Nahmanson return -EINVAL; 20322013b4d5SLior Nahmanson 20332013b4d5SLior Nahmanson ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), 20342013b4d5SLior Nahmanson to_mcq(init_attr->recv_cq)); 20352013b4d5SLior Nahmanson 20362013b4d5SLior Nahmanson if (ts_format < 0) 20372013b4d5SLior Nahmanson return ts_format; 20382013b4d5SLior Nahmanson 20392013b4d5SLior Nahmanson err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 20402013b4d5SLior Nahmanson &inlen, base, ucmd); 20412013b4d5SLior Nahmanson if (err) 20422013b4d5SLior Nahmanson return err; 20432013b4d5SLior Nahmanson 20442013b4d5SLior Nahmanson if (MLX5_CAP_GEN(mdev, ece_support)) 20452013b4d5SLior Nahmanson MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 20462013b4d5SLior Nahmanson qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 20472013b4d5SLior Nahmanson 20482013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, st, mlx5_st); 20492013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 20502013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 20512013b4d5SLior Nahmanson 20522013b4d5SLior Nahmanson if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 20532013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, wq_signature, 1); 20542013b4d5SLior Nahmanson 20552013b4d5SLior Nahmanson if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 20562013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, cd_master, 1); 20572013b4d5SLior Nahmanson if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 20582013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, cd_slave_send, 1); 20592013b4d5SLior Nahmanson if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) 20602013b4d5SLior Nahmanson configure_requester_scat_cqe(dev, qp, init_attr, qpc); 20612013b4d5SLior Nahmanson 20622013b4d5SLior Nahmanson if (qp->rq.wqe_cnt) { 20632013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 20642013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 20652013b4d5SLior Nahmanson } 20662013b4d5SLior Nahmanson 206711656f59SLior Nahmanson if (qp->flags_en & MLX5_QP_FLAG_DCI_STREAM) { 206811656f59SLior Nahmanson MLX5_SET(qpc, qpc, log_num_dci_stream_channels, 206911656f59SLior Nahmanson ucmd->dci_streams.log_num_concurent); 207011656f59SLior Nahmanson MLX5_SET(qpc, qpc, log_num_dci_errored_streams, 207111656f59SLior Nahmanson ucmd->dci_streams.log_num_errored); 207211656f59SLior Nahmanson } 207311656f59SLior Nahmanson 20742013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, ts_format, ts_format); 20752013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 20762013b4d5SLior Nahmanson 20772013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20782013b4d5SLior Nahmanson 20792013b4d5SLior Nahmanson /* Set default resources */ 20802013b4d5SLior Nahmanson if (init_attr->srq) { 20812013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 20822013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 20832013b4d5SLior Nahmanson to_msrq(init_attr->srq)->msrq.srqn); 20842013b4d5SLior Nahmanson } else { 20852013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 20862013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 20872013b4d5SLior Nahmanson to_msrq(devr->s1)->msrq.srqn); 20882013b4d5SLior Nahmanson } 20892013b4d5SLior Nahmanson 20902013b4d5SLior Nahmanson if (init_attr->send_cq) 20912013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, cqn_snd, 20922013b4d5SLior Nahmanson to_mcq(init_attr->send_cq)->mcq.cqn); 20932013b4d5SLior Nahmanson 20942013b4d5SLior Nahmanson if (init_attr->recv_cq) 20952013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, cqn_rcv, 20962013b4d5SLior Nahmanson to_mcq(init_attr->recv_cq)->mcq.cqn); 20972013b4d5SLior Nahmanson 20982013b4d5SLior Nahmanson MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 20992013b4d5SLior Nahmanson 21002013b4d5SLior Nahmanson /* 0xffffff means we ask to work with cqe version 0 */ 21012013b4d5SLior Nahmanson if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 21022013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, user_index, uidx); 21032013b4d5SLior Nahmanson 21042013b4d5SLior Nahmanson if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 21052013b4d5SLior Nahmanson MLX5_SET(qpc, qpc, end_padding_mode, 21062013b4d5SLior Nahmanson MLX5_WQ_END_PAD_MODE_ALIGN); 21072013b4d5SLior Nahmanson /* Special case to clean flag */ 21082013b4d5SLior Nahmanson qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 21092013b4d5SLior Nahmanson } 21102013b4d5SLior Nahmanson 21112013b4d5SLior Nahmanson err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 21122013b4d5SLior Nahmanson 21132013b4d5SLior Nahmanson kvfree(in); 21142013b4d5SLior Nahmanson if (err) 21152013b4d5SLior Nahmanson goto err_create; 21162013b4d5SLior Nahmanson 21172013b4d5SLior Nahmanson base->container_mibqp = qp; 21182013b4d5SLior Nahmanson base->mqp.event = mlx5_ib_qp_event; 21192013b4d5SLior Nahmanson if (MLX5_CAP_GEN(mdev, ece_support)) 21202013b4d5SLior Nahmanson params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 21212013b4d5SLior Nahmanson 21222013b4d5SLior Nahmanson get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 21232013b4d5SLior Nahmanson &send_cq, &recv_cq); 21242013b4d5SLior Nahmanson spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 21252013b4d5SLior Nahmanson mlx5_ib_lock_cqs(send_cq, recv_cq); 21262013b4d5SLior Nahmanson /* Maintain device to QPs access, needed for further handling via reset 21272013b4d5SLior Nahmanson * flow 21282013b4d5SLior Nahmanson */ 21292013b4d5SLior Nahmanson list_add_tail(&qp->qps_list, &dev->qp_list); 21302013b4d5SLior Nahmanson /* Maintain CQ to QPs access, needed for further handling via reset flow 21312013b4d5SLior Nahmanson */ 21322013b4d5SLior Nahmanson if (send_cq) 21332013b4d5SLior Nahmanson list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 21342013b4d5SLior Nahmanson if (recv_cq) 21352013b4d5SLior Nahmanson list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 21362013b4d5SLior Nahmanson mlx5_ib_unlock_cqs(send_cq, recv_cq); 21372013b4d5SLior Nahmanson spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 21382013b4d5SLior Nahmanson 21392013b4d5SLior Nahmanson return 0; 21402013b4d5SLior Nahmanson 21412013b4d5SLior Nahmanson err_create: 21422013b4d5SLior Nahmanson destroy_qp(dev, qp, base, udata); 21432013b4d5SLior Nahmanson return err; 21442013b4d5SLior Nahmanson } 21452013b4d5SLior Nahmanson 214698fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2147f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2148f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2149e126ba97SEli Cohen { 2150f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 2151f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 21523e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 2153f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 2154f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2155e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 215609a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 2157938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 215889ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 215989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 216089ea94a7SMaor Gottlieb unsigned long flags; 216109a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 21622fe8d4b8SAharon Landau int ts_format; 2163e7b169f3SNoa Osherovich int mlx5_st; 2164cfb5e088SHaggai Abramovsky void *qpc; 216509a7d9ecSSaeed Mahameed u32 *in; 216609a7d9ecSSaeed Mahameed int err; 2167e126ba97SEli Cohen 2168e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 2169e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 2170e126ba97SEli Cohen 21717aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 2172e7b169f3SNoa Osherovich if (mlx5_st < 0) 2173e7b169f3SNoa Osherovich return -EINVAL; 2174e7b169f3SNoa Osherovich 2175e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 2176e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 2177e126ba97SEli Cohen 21782978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 21792978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 21802978975cSLeon Romanovsky 2181c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 21822be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 2183c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2184c2e53b2cSYishai Hadas &qp->trans_qp.base; 2185c2e53b2cSYishai Hadas 2186e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 21872dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 2188e126ba97SEli Cohen if (err) { 2189e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2190e126ba97SEli Cohen return err; 2191e126ba97SEli Cohen } 2192e126ba97SEli Cohen 21932dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 219498fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 2195e126ba97SEli Cohen return -EINVAL; 2196e126ba97SEli Cohen 219798fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 219898fc1126SLeon Romanovsky return -EINVAL; 219998fc1126SLeon Romanovsky 22002fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 22012fe8d4b8SAharon Landau ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), 22022fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 22032fe8d4b8SAharon Landau if (ts_format < 0) 22042fe8d4b8SAharon Landau return ts_format; 22052fe8d4b8SAharon Landau } 22062fe8d4b8SAharon Landau 220708d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 220808d53976SLeon Romanovsky &inlen, base, ucmd); 2209e126ba97SEli Cohen if (err) 2210e126ba97SEli Cohen return err; 2211e126ba97SEli Cohen 2212e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2213e126ba97SEli Cohen qp->port = init_attr->port_num; 2214e126ba97SEli Cohen 2215e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 2216e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 221709a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 221809a7d9ecSSaeed Mahameed 2219e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 222009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 222198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 2222e126ba97SEli Cohen 2223c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 222409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2225e126ba97SEli Cohen 22262be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 222709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2228f360d88aSEli Cohen 22292be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 223009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 22312be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 223209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 22332be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 223409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 22352be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2236569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 223790ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 223890ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 22398bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 224052c81f47SColin Ian King int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 22418bde2c50SLeon Romanovsky 22428bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 22438bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 22448bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 22458bde2c50SLeon Romanovsky } 224690ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 22477aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 224881530ab0SLeon Romanovsky configure_requester_scat_cqe(dev, qp, init_attr, qpc); 2249e126ba97SEli Cohen 2250e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 225109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 225209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2253e126ba97SEli Cohen } 2254e126ba97SEli Cohen 22552fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) 22562fe8d4b8SAharon Landau MLX5_SET(qpc, qpc, ts_format, ts_format); 22572fe8d4b8SAharon Landau 225809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2259e126ba97SEli Cohen 22603fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 226109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 22623fd3307eSArtemy Kovalyov } else { 226309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 22643fd3307eSArtemy Kovalyov if (init_attr->srq && 22653fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 22663fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 22673fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 22683fd3307eSArtemy Kovalyov } 2269e126ba97SEli Cohen 2270e126ba97SEli Cohen /* Set default resources */ 2271e126ba97SEli Cohen switch (init_attr->qp_type) { 2272e126ba97SEli Cohen case IB_QPT_XRC_INI: 227309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 2274f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 227509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2276e126ba97SEli Cohen break; 2277e126ba97SEli Cohen default: 2278e126ba97SEli Cohen if (init_attr->srq) { 2279f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 228009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2281e126ba97SEli Cohen } else { 2282f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 228309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2284e126ba97SEli Cohen } 2285e126ba97SEli Cohen } 2286e126ba97SEli Cohen 2287e126ba97SEli Cohen if (init_attr->send_cq) 228809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2289e126ba97SEli Cohen 2290e126ba97SEli Cohen if (init_attr->recv_cq) 229109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2292e126ba97SEli Cohen 229309a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2294e126ba97SEli Cohen 2295cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 229609a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2297cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 229809a7d9ecSSaeed Mahameed 22992978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 23002978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2301b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2302b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 23032978975cSLeon Romanovsky /* Special case to clean flag */ 23042978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2305b1383aa6SNoa Osherovich } 2306b1383aa6SNoa Osherovich 2307c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 23082be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 23092dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 23100fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 23117f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 23122fe8d4b8SAharon Landau ¶ms->resp, init_attr); 231304bcc1c2SLeon Romanovsky } else 23143e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 2315e126ba97SEli Cohen 2316479163f4SAl Viro kvfree(in); 231704bcc1c2SLeon Romanovsky if (err) 231804bcc1c2SLeon Romanovsky goto err_create; 2319e126ba97SEli Cohen 232019098df2Smajd@mellanox.com base->container_mibqp = qp; 232119098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 232292cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 23233e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 2324e126ba97SEli Cohen 23257aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 232689ea94a7SMaor Gottlieb &send_cq, &recv_cq); 232789ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 232889ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 232989ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 233089ea94a7SMaor Gottlieb * flow 233189ea94a7SMaor Gottlieb */ 233289ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 233389ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 233489ea94a7SMaor Gottlieb */ 233589ea94a7SMaor Gottlieb if (send_cq) 233689ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 233789ea94a7SMaor Gottlieb if (recv_cq) 233889ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 233989ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 234089ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 234189ea94a7SMaor Gottlieb 2342e126ba97SEli Cohen return 0; 2343e126ba97SEli Cohen 2344e126ba97SEli Cohen err_create: 2345747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2346e126ba97SEli Cohen return err; 2347e126ba97SEli Cohen } 2348e126ba97SEli Cohen 234998fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2350f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2351f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 235298fc1126SLeon Romanovsky { 2353f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2354f78d358cSLeon Romanovsky u32 uidx = params->uidx; 235598fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 23563e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 235798fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 235898fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 235998fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 236098fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 236198fc1126SLeon Romanovsky unsigned long flags; 236298fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 236398fc1126SLeon Romanovsky int mlx5_st; 236498fc1126SLeon Romanovsky void *qpc; 236598fc1126SLeon Romanovsky u32 *in; 236698fc1126SLeon Romanovsky int err; 236798fc1126SLeon Romanovsky 236898fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 236998fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 237098fc1126SLeon Romanovsky 237198fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 237298fc1126SLeon Romanovsky if (mlx5_st < 0) 237398fc1126SLeon Romanovsky return -EINVAL; 237498fc1126SLeon Romanovsky 237598fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 237698fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 237798fc1126SLeon Romanovsky 237898fc1126SLeon Romanovsky base = &qp->trans_qp.base; 237998fc1126SLeon Romanovsky 238098fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 238198fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 238298fc1126SLeon Romanovsky if (err) { 238398fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 238498fc1126SLeon Romanovsky return err; 238598fc1126SLeon Romanovsky } 238698fc1126SLeon Romanovsky 238798fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 238898fc1126SLeon Romanovsky if (err) 238998fc1126SLeon Romanovsky return err; 239098fc1126SLeon Romanovsky 239198fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 239298fc1126SLeon Romanovsky qp->port = attr->port_num; 239398fc1126SLeon Romanovsky 239498fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 239598fc1126SLeon Romanovsky 239698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 239798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 239898fc1126SLeon Romanovsky 239998fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 240098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 240198fc1126SLeon Romanovsky else 240298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 240398fc1126SLeon Romanovsky 240498fc1126SLeon Romanovsky 240598fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 240698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 240798fc1126SLeon Romanovsky 240898fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 240998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 241098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 241198fc1126SLeon Romanovsky } 241298fc1126SLeon Romanovsky 241398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 241498fc1126SLeon Romanovsky 241598fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 241698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 241798fc1126SLeon Romanovsky else 241898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 241998fc1126SLeon Romanovsky 242098fc1126SLeon Romanovsky if (attr->srq) { 2421f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 242298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 242398fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 242498fc1126SLeon Romanovsky } else { 2425f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 242698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 242798fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 242898fc1126SLeon Romanovsky } 242998fc1126SLeon Romanovsky 243098fc1126SLeon Romanovsky if (attr->send_cq) 243198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 243298fc1126SLeon Romanovsky 243398fc1126SLeon Romanovsky if (attr->recv_cq) 243498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 243598fc1126SLeon Romanovsky 243698fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 243798fc1126SLeon Romanovsky 243898fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 243998fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 244098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 244198fc1126SLeon Romanovsky 244298fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 244398fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 244498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 244598fc1126SLeon Romanovsky 24463e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 244798fc1126SLeon Romanovsky kvfree(in); 244898fc1126SLeon Romanovsky if (err) 244998fc1126SLeon Romanovsky goto err_create; 245098fc1126SLeon Romanovsky 245198fc1126SLeon Romanovsky base->container_mibqp = qp; 245298fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 245398fc1126SLeon Romanovsky 245498fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 245598fc1126SLeon Romanovsky &send_cq, &recv_cq); 245698fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 245798fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 245898fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 245998fc1126SLeon Romanovsky * flow 246098fc1126SLeon Romanovsky */ 246198fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 246298fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 246398fc1126SLeon Romanovsky */ 246498fc1126SLeon Romanovsky if (send_cq) 246598fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 246698fc1126SLeon Romanovsky if (recv_cq) 246798fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 246898fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 246998fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 247098fc1126SLeon Romanovsky 247198fc1126SLeon Romanovsky return 0; 247298fc1126SLeon Romanovsky 247398fc1126SLeon Romanovsky err_create: 2474747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 247598fc1126SLeon Romanovsky return err; 247698fc1126SLeon Romanovsky } 247798fc1126SLeon Romanovsky 2478e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2479e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2480e126ba97SEli Cohen { 2481e126ba97SEli Cohen if (send_cq) { 2482e126ba97SEli Cohen if (recv_cq) { 2483e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 248489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2485e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2486e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2487e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 248889ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2489e126ba97SEli Cohen __acquire(&recv_cq->lock); 2490e126ba97SEli Cohen } else { 249189ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2492e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2493e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2494e126ba97SEli Cohen } 2495e126ba97SEli Cohen } else { 249689ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 24976a4f139aSEli Cohen __acquire(&recv_cq->lock); 2498e126ba97SEli Cohen } 2499e126ba97SEli Cohen } else if (recv_cq) { 250089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 25016a4f139aSEli Cohen __acquire(&send_cq->lock); 25026a4f139aSEli Cohen } else { 25036a4f139aSEli Cohen __acquire(&send_cq->lock); 25046a4f139aSEli Cohen __acquire(&recv_cq->lock); 2505e126ba97SEli Cohen } 2506e126ba97SEli Cohen } 2507e126ba97SEli Cohen 2508e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2509e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2510e126ba97SEli Cohen { 2511e126ba97SEli Cohen if (send_cq) { 2512e126ba97SEli Cohen if (recv_cq) { 2513e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2514e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 251589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2516e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2517e126ba97SEli Cohen __release(&recv_cq->lock); 251889ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2519e126ba97SEli Cohen } else { 2520e126ba97SEli Cohen spin_unlock(&send_cq->lock); 252189ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2522e126ba97SEli Cohen } 2523e126ba97SEli Cohen } else { 25246a4f139aSEli Cohen __release(&recv_cq->lock); 252589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2526e126ba97SEli Cohen } 2527e126ba97SEli Cohen } else if (recv_cq) { 25286a4f139aSEli Cohen __release(&send_cq->lock); 252989ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 25306a4f139aSEli Cohen } else { 25316a4f139aSEli Cohen __release(&recv_cq->lock); 25326a4f139aSEli Cohen __release(&send_cq->lock); 2533e126ba97SEli Cohen } 2534e126ba97SEli Cohen } 2535e126ba97SEli Cohen 253689ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 253789ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2538e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2539e126ba97SEli Cohen { 254089ea94a7SMaor Gottlieb switch (qp_type) { 2541e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2542e126ba97SEli Cohen *send_cq = NULL; 2543e126ba97SEli Cohen *recv_cq = NULL; 2544e126ba97SEli Cohen break; 2545e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2546e126ba97SEli Cohen case IB_QPT_XRC_INI: 254789ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2548e126ba97SEli Cohen *recv_cq = NULL; 2549e126ba97SEli Cohen break; 2550e126ba97SEli Cohen 2551e126ba97SEli Cohen case IB_QPT_SMI: 2552d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2553e126ba97SEli Cohen case IB_QPT_RC: 2554e126ba97SEli Cohen case IB_QPT_UC: 2555e126ba97SEli Cohen case IB_QPT_UD: 25560fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 255789ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 255889ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2559e126ba97SEli Cohen break; 2560e126ba97SEli Cohen default: 2561e126ba97SEli Cohen *send_cq = NULL; 2562e126ba97SEli Cohen *recv_cq = NULL; 2563e126ba97SEli Cohen break; 2564e126ba97SEli Cohen } 2565e126ba97SEli Cohen } 2566e126ba97SEli Cohen 2567ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 256813eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 256913eab21fSAviv Heller u8 lag_tx_affinity); 2570ad5f8e96Smajd@mellanox.com 2571bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2572bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2573e126ba97SEli Cohen { 2574e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2575c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 257689ea94a7SMaor Gottlieb unsigned long flags; 2577e126ba97SEli Cohen int err; 2578e126ba97SEli Cohen 25796c41965dSLeon Romanovsky if (qp->is_rss) { 258028d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 258128d61370SYishai Hadas return; 258228d61370SYishai Hadas } 258328d61370SYishai Hadas 25846c41965dSLeon Romanovsky base = (qp->type == IB_QPT_RAW_PACKET || 25852be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 25860fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 25870fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 25880fb2ed66Smajd@mellanox.com 25896aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 25906c41965dSLeon Romanovsky if (qp->type != IB_QPT_RAW_PACKET && 25912be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2592333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 25935f62a521SLeon Romanovsky NULL, &base->mqp, NULL); 2594ad5f8e96Smajd@mellanox.com } else { 25950680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 25960680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 25970680efa2SAlex Vesker }; 25980680efa2SAlex Vesker 259913eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2600ad5f8e96Smajd@mellanox.com } 2601ad5f8e96Smajd@mellanox.com if (err) 2602427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 260319098df2Smajd@mellanox.com base->mqp.qpn); 26046aec21f6SHaggai Eran } 2605e126ba97SEli Cohen 26066c41965dSLeon Romanovsky get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, 26076c41965dSLeon Romanovsky &recv_cq); 260889ea94a7SMaor Gottlieb 260989ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 261089ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 261189ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 261289ea94a7SMaor Gottlieb list_del(&qp->qps_list); 261389ea94a7SMaor Gottlieb if (send_cq) 261489ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 261589ea94a7SMaor Gottlieb 261689ea94a7SMaor Gottlieb if (recv_cq) 261789ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2618e126ba97SEli Cohen 261903c4077bSLeon Romanovsky if (!udata) { 262019098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2621e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2622e126ba97SEli Cohen if (send_cq != recv_cq) 262319098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 262419098df2Smajd@mellanox.com NULL); 2625e126ba97SEli Cohen } 262689ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 262789ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2628e126ba97SEli Cohen 26296c41965dSLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET || 26302be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 26310fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 26320fb2ed66Smajd@mellanox.com } else { 2633333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2634e126ba97SEli Cohen if (err) 26350fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 26360fb2ed66Smajd@mellanox.com base->mqp.qpn); 26370fb2ed66Smajd@mellanox.com } 2638e126ba97SEli Cohen 2639747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2640e126ba97SEli Cohen } 2641e126ba97SEli Cohen 2642a645a89dSLeon Romanovsky static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2643a645a89dSLeon Romanovsky struct mlx5_ib_qp *qp, 2644f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2645b4aaa1f0SMoni Shoua { 2646f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2647f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2648f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2649b4aaa1f0SMoni Shoua void *dctc; 2650b4aaa1f0SMoni Shoua 26517c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev) && !MLX5_CAP_GEN(dev->mdev, lag_dct)) 26527c4b1ab9SMark Zhang return -EOPNOTSUPP; 26537c4b1ab9SMark Zhang 2654b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 26559c2ba4edSLeon Romanovsky if (!qp->dct.in) 265647c80612SLeon Romanovsky return -ENOMEM; 2657b4aaa1f0SMoni Shoua 2658a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2659b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2660b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2661b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2662b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2663b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2664b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2665a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 2666a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 2667b4aaa1f0SMoni Shoua 266837518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2669fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2670fd9dab7eSLeon Romanovsky 2671fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2672fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2673fd9dab7eSLeon Romanovsky } 26745d6ff1baSYonatan Cohen 2675b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 267647c80612SLeon Romanovsky return 0; 2677b4aaa1f0SMoni Shoua } 2678b4aaa1f0SMoni Shoua 26797aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 26807aede1a2SLeon Romanovsky enum ib_qp_type *type) 26816eb7edffSLeon Romanovsky { 26826eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 26836eb7edffSLeon Romanovsky goto out; 26846eb7edffSLeon Romanovsky 26856eb7edffSLeon Romanovsky switch (attr->qp_type) { 26866eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 26876eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 26886eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 26896eb7edffSLeon Romanovsky goto out; 26906eb7edffSLeon Romanovsky fallthrough; 26916eb7edffSLeon Romanovsky case IB_QPT_RC: 26926eb7edffSLeon Romanovsky case IB_QPT_UC: 26936eb7edffSLeon Romanovsky case IB_QPT_SMI: 26946eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 26956eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 26966eb7edffSLeon Romanovsky case IB_QPT_GSI: 269742caf9cbSMark Bloch case IB_QPT_RAW_PACKET: 269842caf9cbSMark Bloch case IB_QPT_UD: 269942caf9cbSMark Bloch case MLX5_IB_QPT_REG_UMR: 27007aede1a2SLeon Romanovsky break; 27016eb7edffSLeon Romanovsky default: 27026eb7edffSLeon Romanovsky goto out; 2703b4aaa1f0SMoni Shoua } 2704b4aaa1f0SMoni Shoua 27057aede1a2SLeon Romanovsky *type = attr->qp_type; 2706b4aaa1f0SMoni Shoua return 0; 27076eb7edffSLeon Romanovsky 27086eb7edffSLeon Romanovsky out: 27096eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 27106eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2711b4aaa1f0SMoni Shoua } 2712b4aaa1f0SMoni Shoua 27132242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 27142242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 27152242cc25SLeon Romanovsky struct ib_udata *udata) 27162242cc25SLeon Romanovsky { 27172242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 27182242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 27192242cc25SLeon Romanovsky 27202242cc25SLeon Romanovsky if (!udata) { 27212242cc25SLeon Romanovsky /* Kernel create_qp callers */ 27222242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 27232242cc25SLeon Romanovsky return -EOPNOTSUPP; 27242242cc25SLeon Romanovsky 27252242cc25SLeon Romanovsky switch (attr->qp_type) { 27262242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 27272242cc25SLeon Romanovsky case IB_QPT_DRIVER: 27282242cc25SLeon Romanovsky return -EOPNOTSUPP; 27292242cc25SLeon Romanovsky default: 27302242cc25SLeon Romanovsky return 0; 27312242cc25SLeon Romanovsky } 27322242cc25SLeon Romanovsky } 27332242cc25SLeon Romanovsky 27342242cc25SLeon Romanovsky /* Userspace create_qp callers */ 27352242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 27362242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 27372242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 27382242cc25SLeon Romanovsky return -EINVAL; 27392242cc25SLeon Romanovsky } 27402242cc25SLeon Romanovsky 27412242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 27422242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 27432242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 27442242cc25SLeon Romanovsky attr->qp_type); 27452242cc25SLeon Romanovsky return -EINVAL; 27462242cc25SLeon Romanovsky } 27472242cc25SLeon Romanovsky 27482242cc25SLeon Romanovsky /* 27492242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 27502242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 27512242cc25SLeon Romanovsky */ 27522242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 27532242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 27542242cc25SLeon Romanovsky return 0; 27552242cc25SLeon Romanovsky } 27562242cc25SLeon Romanovsky 275737518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 275837518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 275937518fa4SLeon Romanovsky { 276037518fa4SLeon Romanovsky if (!(*flags & flag)) 276137518fa4SLeon Romanovsky return; 276237518fa4SLeon Romanovsky 276337518fa4SLeon Romanovsky if (cond) { 276437518fa4SLeon Romanovsky qp->flags_en |= flag; 276537518fa4SLeon Romanovsky *flags &= ~flag; 276637518fa4SLeon Romanovsky return; 276737518fa4SLeon Romanovsky } 276837518fa4SLeon Romanovsky 276981530ab0SLeon Romanovsky switch (flag) { 277081530ab0SLeon Romanovsky case MLX5_QP_FLAG_SCATTER_CQE: 277181530ab0SLeon Romanovsky case MLX5_QP_FLAG_ALLOW_SCATTER_CQE: 277237518fa4SLeon Romanovsky /* 277381530ab0SLeon Romanovsky * We don't return error if these flags were provided, 277437518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 277537518fa4SLeon Romanovsky */ 277681530ab0SLeon Romanovsky *flags &= ~(MLX5_QP_FLAG_SCATTER_CQE | 277781530ab0SLeon Romanovsky MLX5_QP_FLAG_ALLOW_SCATTER_CQE); 277837518fa4SLeon Romanovsky return; 277981530ab0SLeon Romanovsky default: 278081530ab0SLeon Romanovsky break; 278137518fa4SLeon Romanovsky } 278237518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 278337518fa4SLeon Romanovsky } 278437518fa4SLeon Romanovsky 278537518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 27865ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 27872fdddbd5SLeon Romanovsky { 278837518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 278937518fa4SLeon Romanovsky bool cond; 27905ce0592bSLeon Romanovsky int flags; 27915ce0592bSLeon Romanovsky 27925ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 27935ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 27945ce0592bSLeon Romanovsky else 27955ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 279637518fa4SLeon Romanovsky 279737518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 27982fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 27997aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 28002fdddbd5SLeon Romanovsky break; 28012fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 28027aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 280337518fa4SLeon Romanovsky break; 28047aede1a2SLeon Romanovsky default: 28057aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 28067aede1a2SLeon Romanovsky break; 28077aede1a2SLeon Romanovsky /* 28087aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 28097aede1a2SLeon Romanovsky * wrong subtype were provided. 28107aede1a2SLeon Romanovsky */ 281137518fa4SLeon Romanovsky return -EINVAL; 28127aede1a2SLeon Romanovsky } 281337518fa4SLeon Romanovsky 281437518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 281537518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 281611656f59SLior Nahmanson process_vendor_flag(dev, &flags, MLX5_QP_FLAG_DCI_STREAM, 281711656f59SLior Nahmanson MLX5_CAP_GEN(mdev, log_max_dci_stream_channels) && 281811656f59SLior Nahmanson MLX5_CAP_GEN(mdev, log_max_dci_errored_streams), 281911656f59SLior Nahmanson qp); 282037518fa4SLeon Romanovsky 282137518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 282237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 282337518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 282481530ab0SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_ALLOW_SCATTER_CQE, 282581530ab0SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 282637518fa4SLeon Romanovsky 28277aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 282837518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 282937518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 283037518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 283137518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 283237518fa4SLeon Romanovsky cond, qp); 283337518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 283437518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 283537518fa4SLeon Romanovsky qp); 283637518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 283737518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 283837518fa4SLeon Romanovsky qp); 283937518fa4SLeon Romanovsky } 284037518fa4SLeon Romanovsky 28417aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 284237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 284337518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 284437518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 284537518fa4SLeon Romanovsky 284676883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 284776883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 284876883a6cSLeon Romanovsky 28495d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 28505d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 28515d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 28525d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 28535d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 28545d6fffedSLeon Romanovsky cond); 28555d6fffedSLeon Romanovsky return -EINVAL; 28565d6fffedSLeon Romanovsky } 28575d6fffedSLeon Romanovsky 285837518fa4SLeon Romanovsky if (flags) 285937518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 286037518fa4SLeon Romanovsky 286137518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 28622fdddbd5SLeon Romanovsky } 28632fdddbd5SLeon Romanovsky 28642978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 28652978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 28662978975cSLeon Romanovsky { 28672978975cSLeon Romanovsky if (!(*flags & flag)) 28682978975cSLeon Romanovsky return; 28692978975cSLeon Romanovsky 28702978975cSLeon Romanovsky if (cond) { 28712978975cSLeon Romanovsky qp->flags |= flag; 28722978975cSLeon Romanovsky *flags &= ~flag; 28732978975cSLeon Romanovsky return; 28742978975cSLeon Romanovsky } 28752978975cSLeon Romanovsky 28762978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 28772978975cSLeon Romanovsky /* 28782978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 28792978975cSLeon Romanovsky * just different in-kernel flow. 28802978975cSLeon Romanovsky */ 28812978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 28822978975cSLeon Romanovsky return; 28832978975cSLeon Romanovsky } 28842978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 28852978975cSLeon Romanovsky } 28862978975cSLeon Romanovsky 28872978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 28882978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 28892978975cSLeon Romanovsky { 28907aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 28912978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 28922978975cSLeon Romanovsky int create_flags = attr->create_flags; 28932978975cSLeon Romanovsky bool cond; 28942978975cSLeon Romanovsky 28957aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 28962978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 28972978975cSLeon Romanovsky 28982978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 28992978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 29002978975cSLeon Romanovsky 2901f81b4565SLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP, 2902f81b4565SLeon Romanovsky mlx5_get_flow_namespace(dev->mdev, 2903f81b4565SLeon Romanovsky MLX5_FLOW_NAMESPACE_BYPASS), 2904f81b4565SLeon Romanovsky qp); 29052978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 29069e0dc7b9SMax Gurtovoy IB_QP_CREATE_INTEGRITY_EN, 29079e0dc7b9SMax Gurtovoy MLX5_CAP_GEN(mdev, sho), qp); 29089e0dc7b9SMax Gurtovoy process_create_flag(dev, &create_flags, 29092978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 29102978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 29112978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 29122978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 29132978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 29142978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 29152978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 29162978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 29172978975cSLeon Romanovsky 29182978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 29192978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 29202978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 29212978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 29222978975cSLeon Romanovsky qp); 29232978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 29242978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 29252978975cSLeon Romanovsky cond, qp); 29262978975cSLeon Romanovsky } 29272978975cSLeon Romanovsky 29282978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 29292978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 29302978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 29312978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 29322978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 29332978975cSLeon Romanovsky 29342978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 29352978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 29362978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 29372978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 29382978975cSLeon Romanovsky } 29392978975cSLeon Romanovsky 29402978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 29412978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 29422978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 29432978975cSLeon Romanovsky 29442978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 29452978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 29462978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 29472978975cSLeon Romanovsky true, qp); 29482978975cSLeon Romanovsky 29491f11a761SJason Gunthorpe if (create_flags) { 29502978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 29512978975cSLeon Romanovsky create_flags); 29521f11a761SJason Gunthorpe return -EOPNOTSUPP; 29531f11a761SJason Gunthorpe } 29541f11a761SJason Gunthorpe return 0; 29552978975cSLeon Romanovsky } 29562978975cSLeon Romanovsky 29576f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 29586f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 29592fdddbd5SLeon Romanovsky { 29602fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 29616f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 29626f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 29635ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 29642fdddbd5SLeon Romanovsky 29656f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 2966e383085cSLeon Romanovsky params->ucmd_size = ucmd; 29676f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 2968e383085cSLeon Romanovsky /* User has old rdma-core, which doesn't support ECE */ 2969e383085cSLeon Romanovsky size_t min_inlen = 2970e383085cSLeon Romanovsky offsetof(struct mlx5_ib_create_qp, ece_options); 2971e383085cSLeon Romanovsky 2972e383085cSLeon Romanovsky /* 2973e383085cSLeon Romanovsky * We will check in check_ucmd_data() that user 2974e383085cSLeon Romanovsky * cleared everything after inlen. 2975e383085cSLeon Romanovsky */ 2976e383085cSLeon Romanovsky params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); 29776f2cf76eSLeon Romanovsky goto out; 29786f2cf76eSLeon Romanovsky } 29795ce0592bSLeon Romanovsky 29806f2cf76eSLeon Romanovsky /* RSS RAW QP */ 29815ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 29826f2cf76eSLeon Romanovsky return -EINVAL; 29836f2cf76eSLeon Romanovsky 29846f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 29856f2cf76eSLeon Romanovsky return -EINVAL; 29865ce0592bSLeon Romanovsky 29875ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 2988e383085cSLeon Romanovsky params->ucmd_size = ucmd; 29895ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 29906f2cf76eSLeon Romanovsky return -EINVAL; 29915ce0592bSLeon Romanovsky 29926f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 29936f2cf76eSLeon Romanovsky out: 29946f2cf76eSLeon Romanovsky if (!params->inlen) 2995e383085cSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small\n"); 29966f2cf76eSLeon Romanovsky 29976f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 29982fdddbd5SLeon Romanovsky } 29992fdddbd5SLeon Romanovsky 3000968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 3001f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 3002f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 30035d0dc3d9SLeon Romanovsky { 3004968f0b6fSLeon Romanovsky int err; 30055d0dc3d9SLeon Romanovsky 3006968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 3007968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 3008968f0b6fSLeon Romanovsky goto out; 3009968f0b6fSLeon Romanovsky } 3010968f0b6fSLeon Romanovsky 30112dc4d672SLeon Romanovsky switch (qp->type) { 30122dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 3013a645a89dSLeon Romanovsky err = create_dct(dev, pd, qp, params); 30140dc0da15SLeon Romanovsky rdma_restrack_no_track(&qp->ibqp.res); 30152dc4d672SLeon Romanovsky break; 30162013b4d5SLior Nahmanson case MLX5_IB_QPT_DCI: 30172013b4d5SLior Nahmanson err = create_dci(dev, pd, qp, params); 30182013b4d5SLior Nahmanson break; 30192dc4d672SLeon Romanovsky case IB_QPT_XRC_TGT: 3020968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 30212dc4d672SLeon Romanovsky break; 30222dc4d672SLeon Romanovsky case IB_QPT_GSI: 30232dc4d672SLeon Romanovsky err = mlx5_ib_create_gsi(pd, qp, params->attr); 30242dc4d672SLeon Romanovsky break; 30250dc0da15SLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 30260dc0da15SLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 30270dc0da15SLeon Romanovsky rdma_restrack_no_track(&qp->ibqp.res); 30280dc0da15SLeon Romanovsky fallthrough; 30292dc4d672SLeon Romanovsky default: 3030968f0b6fSLeon Romanovsky if (params->udata) 3031968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 3032968f0b6fSLeon Romanovsky else 3033968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 30342dc4d672SLeon Romanovsky } 3035968f0b6fSLeon Romanovsky 3036968f0b6fSLeon Romanovsky out: 3037968f0b6fSLeon Romanovsky if (err) { 3038968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 3039968f0b6fSLeon Romanovsky return err; 3040968f0b6fSLeon Romanovsky } 3041968f0b6fSLeon Romanovsky 3042968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 3043968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 3044968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 3045968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 3046968f0b6fSLeon Romanovsky else 3047968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 3048968f0b6fSLeon Romanovsky 3049968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 30503e09a427SLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", 3051968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 3052968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 3053968f0b6fSLeon Romanovsky -1, 3054968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 30553e09a427SLeon Romanovsky -1, 30563e09a427SLeon Romanovsky params->resp.ece_options); 3057968f0b6fSLeon Romanovsky 3058968f0b6fSLeon Romanovsky return 0; 30595d0dc3d9SLeon Romanovsky } 30605d0dc3d9SLeon Romanovsky 30617aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 30627aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 30637aede1a2SLeon Romanovsky { 30647aede1a2SLeon Romanovsky int ret = 0; 30657aede1a2SLeon Romanovsky 30667aede1a2SLeon Romanovsky switch (qp->type) { 30677aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 30687aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 30697aede1a2SLeon Romanovsky break; 30707aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 30717aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 30727aede1a2SLeon Romanovsky -EINVAL : 30737aede1a2SLeon Romanovsky 0; 30747aede1a2SLeon Romanovsky break; 3075266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 3076266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 3077266424ebSLeon Romanovsky break; 30787aede1a2SLeon Romanovsky default: 30797aede1a2SLeon Romanovsky break; 30807aede1a2SLeon Romanovsky } 30817aede1a2SLeon Romanovsky 30827aede1a2SLeon Romanovsky if (ret) 30837aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 30847aede1a2SLeon Romanovsky 30857aede1a2SLeon Romanovsky return ret; 30867aede1a2SLeon Romanovsky } 30877aede1a2SLeon Romanovsky 3088f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 3089f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 309021aad80bSLeon Romanovsky { 3091f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 3092f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 309321aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 309421aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 309521aad80bSLeon Romanovsky 3096f78d358cSLeon Romanovsky if (params->is_rss_raw) 309721aad80bSLeon Romanovsky return 0; 309821aad80bSLeon Romanovsky 3099f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 310021aad80bSLeon Romanovsky } 310121aad80bSLeon Romanovsky 310208d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 310308d53976SLeon Romanovsky { 310408d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 310508d53976SLeon Romanovsky 310608d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 310708d53976SLeon Romanovsky int err; 310808d53976SLeon Romanovsky 310908d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 311008d53976SLeon Romanovsky if (err) { 311108d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 311208d53976SLeon Romanovsky return err; 311308d53976SLeon Romanovsky } 311408d53976SLeon Romanovsky } 311508d53976SLeon Romanovsky 311608d53976SLeon Romanovsky kfree(mqp->dct.in); 311708d53976SLeon Romanovsky return 0; 311808d53976SLeon Romanovsky } 311908d53976SLeon Romanovsky 3120e383085cSLeon Romanovsky static int check_ucmd_data(struct mlx5_ib_dev *dev, 3121e383085cSLeon Romanovsky struct mlx5_create_qp_params *params) 3122e383085cSLeon Romanovsky { 3123e383085cSLeon Romanovsky struct ib_udata *udata = params->udata; 3124e383085cSLeon Romanovsky size_t size, last; 3125e383085cSLeon Romanovsky int ret; 3126e383085cSLeon Romanovsky 3127e383085cSLeon Romanovsky if (params->is_rss_raw) 3128e383085cSLeon Romanovsky /* 3129e383085cSLeon Romanovsky * These QPs don't have "reserved" field in their 3130e383085cSLeon Romanovsky * create_qp input struct, so their data is always valid. 3131e383085cSLeon Romanovsky */ 3132e383085cSLeon Romanovsky last = sizeof(struct mlx5_ib_create_qp_rss); 3133e383085cSLeon Romanovsky else 3134e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, reserved); 3135e383085cSLeon Romanovsky 3136e383085cSLeon Romanovsky if (udata->inlen <= last) 3137e383085cSLeon Romanovsky return 0; 3138e383085cSLeon Romanovsky 3139e383085cSLeon Romanovsky /* 3140e383085cSLeon Romanovsky * User provides different create_qp structures based on the 3141e383085cSLeon Romanovsky * flow and we need to know if he cleared memory after our 3142e383085cSLeon Romanovsky * struct create_qp ends. 3143e383085cSLeon Romanovsky */ 3144e383085cSLeon Romanovsky size = udata->inlen - last; 3145e383085cSLeon Romanovsky ret = ib_is_udata_cleared(params->udata, last, size); 3146e383085cSLeon Romanovsky if (!ret) 3147e383085cSLeon Romanovsky mlx5_ib_dbg( 3148e383085cSLeon Romanovsky dev, 31494f5747cfSTom Seewald "udata is not cleared, inlen = %zu, ucmd = %zu, last = %zu, size = %zu\n", 3150e383085cSLeon Romanovsky udata->inlen, params->ucmd_size, last, size); 3151e383085cSLeon Romanovsky return ret ? 0 : -EINVAL; 3152e383085cSLeon Romanovsky } 3153e383085cSLeon Romanovsky 3154*514aee66SLeon Romanovsky int mlx5_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr, 3155e126ba97SEli Cohen struct ib_udata *udata) 3156e126ba97SEli Cohen { 3157f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 3158*514aee66SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3159*514aee66SLeon Romanovsky struct mlx5_ib_qp *qp = to_mqp(ibqp); 3160*514aee66SLeon Romanovsky struct ib_pd *pd = ibqp->pd; 31617aede1a2SLeon Romanovsky enum ib_qp_type type; 3162e126ba97SEli Cohen int err; 3163e126ba97SEli Cohen 3164f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 31652242cc25SLeon Romanovsky if (err) 3166*514aee66SLeon Romanovsky return err; 3167e126ba97SEli Cohen 3168f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 3169f78d358cSLeon Romanovsky if (err) 3170*514aee66SLeon Romanovsky return err; 3171f78d358cSLeon Romanovsky 3172f78d358cSLeon Romanovsky params.udata = udata; 3173f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 3174f78d358cSLeon Romanovsky params.attr = attr; 3175f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 31769c2ba4edSLeon Romanovsky 31775ce0592bSLeon Romanovsky if (udata) { 31786f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 31796f2cf76eSLeon Romanovsky if (err) 3180*514aee66SLeon Romanovsky return err; 31812fdddbd5SLeon Romanovsky 3182e383085cSLeon Romanovsky err = check_ucmd_data(dev, ¶ms); 3183e383085cSLeon Romanovsky if (err) 3184*514aee66SLeon Romanovsky return err; 3185e383085cSLeon Romanovsky 3186e383085cSLeon Romanovsky params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); 3187f78d358cSLeon Romanovsky if (!params.ucmd) 3188*514aee66SLeon Romanovsky return -ENOMEM; 31895ce0592bSLeon Romanovsky 3190f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 31912fdddbd5SLeon Romanovsky if (err) 31925ce0592bSLeon Romanovsky goto free_ucmd; 31932fdddbd5SLeon Romanovsky } 31942fdddbd5SLeon Romanovsky 31957fa84b57SLeon Romanovsky mutex_init(&qp->mutex); 31967aede1a2SLeon Romanovsky qp->type = type; 319737518fa4SLeon Romanovsky if (udata) { 3198f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 3199b4aaa1f0SMoni Shoua if (err) 3200*514aee66SLeon Romanovsky goto free_ucmd; 320121aad80bSLeon Romanovsky 3202f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 320321aad80bSLeon Romanovsky if (err) 3204*514aee66SLeon Romanovsky goto free_ucmd; 3205b4aaa1f0SMoni Shoua } 3206f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 32072978975cSLeon Romanovsky if (err) 3208*514aee66SLeon Romanovsky goto free_ucmd; 3209b4aaa1f0SMoni Shoua 3210f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 32117aede1a2SLeon Romanovsky if (err) 3212*514aee66SLeon Romanovsky goto free_ucmd; 32137aede1a2SLeon Romanovsky 3214968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 3215968f0b6fSLeon Romanovsky if (err) 3216*514aee66SLeon Romanovsky goto free_ucmd; 3217e126ba97SEli Cohen 3218f78d358cSLeon Romanovsky kfree(params.ucmd); 321908d53976SLeon Romanovsky params.ucmd = NULL; 32205ce0592bSLeon Romanovsky 322108d53976SLeon Romanovsky if (udata) 322208d53976SLeon Romanovsky /* 322308d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 322408d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 322508d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 322608d53976SLeon Romanovsky */ 322708d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 322808d53976SLeon Romanovsky if (err) 322908d53976SLeon Romanovsky goto destroy_qp; 323008d53976SLeon Romanovsky 3231*514aee66SLeon Romanovsky return 0; 32329c2ba4edSLeon Romanovsky 323308d53976SLeon Romanovsky destroy_qp: 32342dc4d672SLeon Romanovsky switch (qp->type) { 32352dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 323608d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 32372dc4d672SLeon Romanovsky break; 32382dc4d672SLeon Romanovsky case IB_QPT_GSI: 32392dc4d672SLeon Romanovsky mlx5_ib_destroy_gsi(qp); 32402dc4d672SLeon Romanovsky break; 32412dc4d672SLeon Romanovsky default: 324208d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 32436c41965dSLeon Romanovsky } 32446c41965dSLeon Romanovsky 32455ce0592bSLeon Romanovsky free_ucmd: 3246f78d358cSLeon Romanovsky kfree(params.ucmd); 3247*514aee66SLeon Romanovsky return err; 3248e126ba97SEli Cohen } 3249e126ba97SEli Cohen 3250c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 3251e126ba97SEli Cohen { 3252e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 3253e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 3254e126ba97SEli Cohen 32559ecf6ac1SMaor Gottlieb if (mqp->type == IB_QPT_GSI) 32560d9aef86SLeon Romanovsky return mlx5_ib_destroy_gsi(mqp); 3257d16e91daSHaggai Eran 32587aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 3259776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 3260776a3906SMoni Shoua 3261bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 3262e126ba97SEli Cohen return 0; 3263e126ba97SEli Cohen } 3264e126ba97SEli Cohen 3265f18e26afSLeon Romanovsky static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, 3266f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, int attr_mask, 3267f18e26afSLeon Romanovsky void *qpc) 3268e126ba97SEli Cohen { 3269a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 3270f18e26afSLeon Romanovsky u8 dest_rd_atomic; 3271f18e26afSLeon Romanovsky u32 access_flags; 3272a60109dcSYonatan Cohen 3273e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 3274e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 3275e126ba97SEli Cohen else 327619098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 3277e126ba97SEli Cohen 3278e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 3279e126ba97SEli Cohen access_flags = attr->qp_access_flags; 3280e126ba97SEli Cohen else 328119098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 3282e126ba97SEli Cohen 3283e126ba97SEli Cohen if (!dest_rd_atomic) 3284e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 3285e126ba97SEli Cohen 3286f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); 3287f18e26afSLeon Romanovsky 328813f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3289a60109dcSYonatan Cohen int atomic_mode; 3290e126ba97SEli Cohen 32919ecf6ac1SMaor Gottlieb atomic_mode = get_atomic_mode(dev, qp->type); 3292a60109dcSYonatan Cohen if (atomic_mode < 0) 3293a60109dcSYonatan Cohen return -EOPNOTSUPP; 3294a60109dcSYonatan Cohen 3295f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rae, 1); 3296f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); 3297a60109dcSYonatan Cohen } 3298a60109dcSYonatan Cohen 3299f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); 3300a60109dcSYonatan Cohen return 0; 3301e126ba97SEli Cohen } 3302e126ba97SEli Cohen 3303e126ba97SEli Cohen enum { 3304e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3305e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3306e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3307e126ba97SEli Cohen }; 3308e126ba97SEli Cohen 33096fe6e568SMark Zhang static int mlx5_to_ib_rate_map(u8 rate) 33106fe6e568SMark Zhang { 33116fe6e568SMark Zhang static const int rates[] = { IB_RATE_PORT_CURRENT, IB_RATE_56_GBPS, 33126fe6e568SMark Zhang IB_RATE_25_GBPS, IB_RATE_100_GBPS, 33136fe6e568SMark Zhang IB_RATE_200_GBPS, IB_RATE_50_GBPS, 33146fe6e568SMark Zhang IB_RATE_400_GBPS }; 33156fe6e568SMark Zhang 33166fe6e568SMark Zhang if (rate < ARRAY_SIZE(rates)) 33176fe6e568SMark Zhang return rates[rate]; 33186fe6e568SMark Zhang 33196fe6e568SMark Zhang return rate - MLX5_STAT_RATE_OFFSET; 33206fe6e568SMark Zhang } 33216fe6e568SMark Zhang 3322c531024bSMark Zhang static int ib_to_mlx5_rate_map(u8 rate) 3323c531024bSMark Zhang { 3324c531024bSMark Zhang switch (rate) { 3325c531024bSMark Zhang case IB_RATE_PORT_CURRENT: 3326c531024bSMark Zhang return 0; 3327c531024bSMark Zhang case IB_RATE_56_GBPS: 3328c531024bSMark Zhang return 1; 3329c531024bSMark Zhang case IB_RATE_25_GBPS: 3330c531024bSMark Zhang return 2; 3331c531024bSMark Zhang case IB_RATE_100_GBPS: 3332c531024bSMark Zhang return 3; 3333c531024bSMark Zhang case IB_RATE_200_GBPS: 3334c531024bSMark Zhang return 4; 3335c531024bSMark Zhang case IB_RATE_50_GBPS: 3336c531024bSMark Zhang return 5; 3337c70f51deSPatrisious Haddad case IB_RATE_400_GBPS: 3338c70f51deSPatrisious Haddad return 6; 3339c531024bSMark Zhang default: 3340c531024bSMark Zhang return rate + MLX5_STAT_RATE_OFFSET; 33417f1d2dfaSTom Rix } 3342c531024bSMark Zhang 3343c531024bSMark Zhang return 0; 3344c531024bSMark Zhang } 3345c531024bSMark Zhang 3346e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3347e126ba97SEli Cohen { 3348c531024bSMark Zhang u32 stat_rate_support; 3349c531024bSMark Zhang 33504f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3351e126ba97SEli Cohen return 0; 33524f32ac2eSDanit Goldberg 3353a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3354e126ba97SEli Cohen return -EINVAL; 33554f32ac2eSDanit Goldberg 3356c531024bSMark Zhang stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); 33574f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3358c531024bSMark Zhang !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) 3359e126ba97SEli Cohen --rate; 3360e126ba97SEli Cohen 3361c531024bSMark Zhang return ib_to_mlx5_rate_map(rate); 3362e126ba97SEli Cohen } 3363e126ba97SEli Cohen 336475850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 33651cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 33661cd6dbd3SYishai Hadas struct ib_pd *pd) 336775850d0bSmajd@mellanox.com { 336875850d0bSmajd@mellanox.com void *in; 336975850d0bSmajd@mellanox.com void *tisc; 337075850d0bSmajd@mellanox.com int inlen; 337175850d0bSmajd@mellanox.com int err; 337275850d0bSmajd@mellanox.com 337375850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 33741b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 337575850d0bSmajd@mellanox.com if (!in) 337675850d0bSmajd@mellanox.com return -ENOMEM; 337775850d0bSmajd@mellanox.com 337875850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 33791cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 338075850d0bSmajd@mellanox.com 338175850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 338275850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 338375850d0bSmajd@mellanox.com 3384e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 338575850d0bSmajd@mellanox.com 338675850d0bSmajd@mellanox.com kvfree(in); 338775850d0bSmajd@mellanox.com 338875850d0bSmajd@mellanox.com return err; 338975850d0bSmajd@mellanox.com } 339075850d0bSmajd@mellanox.com 339113eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 33921cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 33931cd6dbd3SYishai Hadas struct ib_pd *pd) 339413eab21fSAviv Heller { 339513eab21fSAviv Heller void *in; 339613eab21fSAviv Heller void *tisc; 339713eab21fSAviv Heller int inlen; 339813eab21fSAviv Heller int err; 339913eab21fSAviv Heller 340013eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 34011b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 340213eab21fSAviv Heller if (!in) 340313eab21fSAviv Heller return -ENOMEM; 340413eab21fSAviv Heller 340513eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 34061cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 340713eab21fSAviv Heller 340813eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 340913eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 341013eab21fSAviv Heller 3411e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 341213eab21fSAviv Heller 341313eab21fSAviv Heller kvfree(in); 341413eab21fSAviv Heller 341513eab21fSAviv Heller return err; 341613eab21fSAviv Heller } 341713eab21fSAviv Heller 3418f18e26afSLeon Romanovsky static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, 34192b880b2eSMark Zhang u32 lqpn, u32 rqpn) 34202b880b2eSMark Zhang 34212b880b2eSMark Zhang { 34222b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 34232b880b2eSMark Zhang 34242b880b2eSMark Zhang if (!fl) 34252b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 34262b880b2eSMark Zhang 3427f18e26afSLeon Romanovsky MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); 34282b880b2eSMark Zhang } 34292b880b2eSMark Zhang 343075850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 3431f18e26afSLeon Romanovsky const struct rdma_ah_attr *ah, void *path, u8 port, 3432f18e26afSLeon Romanovsky int attr_mask, u32 path_flags, 3433f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, bool alt) 3434e126ba97SEli Cohen { 3435d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3436e126ba97SEli Cohen int err; 3437ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3438d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3439d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3440e126ba97SEli Cohen 3441e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3442f18e26afSLeon Romanovsky MLX5_SET(ads, path, pkey_index, 3443f18e26afSLeon Romanovsky alt ? attr->alt_pkey_index : attr->pkey_index); 3444e126ba97SEli Cohen 3445d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 34467416790eSParav Pandit const struct ib_port_immutable *immutable; 34477416790eSParav Pandit 34487416790eSParav Pandit immutable = ib_port_immutable_read(&dev->ib_dev, port); 34497416790eSParav Pandit if (grh->sgid_index >= immutable->gid_tbl_len) { 3450f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3451d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 34527416790eSParav Pandit immutable->gid_tbl_len); 3453f83b4263SEli Cohen return -EINVAL; 3454f83b4263SEli Cohen } 34552811ba51SAchiad Shochat } 345644c58487SDasaratharaman Chandramouli 345744c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3458d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 34592811ba51SAchiad Shochat return -EINVAL; 346047ec3866SParav Pandit 3461f18e26afSLeon Romanovsky ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), 3462f18e26afSLeon Romanovsky ah->roce.dmac); 34639ecf6ac1SMaor Gottlieb if ((qp->type == IB_QPT_RC || 34649ecf6ac1SMaor Gottlieb qp->type == IB_QPT_UC || 34659ecf6ac1SMaor Gottlieb qp->type == IB_QPT_XRC_INI || 34669ecf6ac1SMaor Gottlieb qp->type == IB_QPT_XRC_TGT) && 34672b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 34682b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 34692b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 34702b880b2eSMark Zhang qp->ibqp.qp_num, 34712b880b2eSMark Zhang attr->dest_qp_num); 3472f18e26afSLeon Romanovsky MLX5_SET(ads, path, eth_prio, sl & 0x7); 347347ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3474ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3475f18e26afSLeon Romanovsky MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); 34762811ba51SAchiad Shochat } else { 3477f18e26afSLeon Romanovsky MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); 3478f18e26afSLeon Romanovsky MLX5_SET(ads, path, free_ar, 3479f18e26afSLeon Romanovsky !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); 3480f18e26afSLeon Romanovsky MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); 3481f18e26afSLeon Romanovsky MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); 3482f18e26afSLeon Romanovsky MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); 3483f18e26afSLeon Romanovsky MLX5_SET(ads, path, sl, sl); 34842811ba51SAchiad Shochat } 34852811ba51SAchiad Shochat 3486d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3487f18e26afSLeon Romanovsky MLX5_SET(ads, path, src_addr_index, grh->sgid_index); 3488f18e26afSLeon Romanovsky MLX5_SET(ads, path, hop_limit, grh->hop_limit); 3489f18e26afSLeon Romanovsky MLX5_SET(ads, path, tclass, grh->traffic_class); 3490f18e26afSLeon Romanovsky MLX5_SET(ads, path, flow_label, grh->flow_label); 3491f18e26afSLeon Romanovsky memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, 3492f18e26afSLeon Romanovsky sizeof(grh->dgid.raw)); 3493e126ba97SEli Cohen } 3494e126ba97SEli Cohen 3495d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3496e126ba97SEli Cohen if (err < 0) 3497e126ba97SEli Cohen return err; 3498f18e26afSLeon Romanovsky MLX5_SET(ads, path, stat_rate, err); 3499f18e26afSLeon Romanovsky MLX5_SET(ads, path, vhca_port_num, port); 3500e126ba97SEli Cohen 3501e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3502f18e26afSLeon Romanovsky MLX5_SET(ads, path, ack_timeout, 3503f18e26afSLeon Romanovsky alt ? attr->alt_timeout : attr->timeout); 3504e126ba97SEli Cohen 35059ecf6ac1SMaor Gottlieb if ((qp->type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 350675850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 350775850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 35081cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 350975850d0bSmajd@mellanox.com 3510e126ba97SEli Cohen return 0; 3511e126ba97SEli Cohen } 3512e126ba97SEli Cohen 3513e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3514e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3515e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3516e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3517e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3518e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3519e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3520cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3521cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3522e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3523e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3524cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3525cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3526e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3527e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3528e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 35298f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 35308f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 35318f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 35328f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3533cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3534cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3535e126ba97SEli Cohen }, 3536e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3537e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3538e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3539e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3540e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3541cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3542cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3543e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3544e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3545cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3546cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3547e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3548e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3549e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3550e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3551a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3552a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3553a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3554a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3555cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3556cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3557e126ba97SEli Cohen }, 3558e126ba97SEli Cohen }, 3559e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3560e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3561e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3562e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3563e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3564e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3565e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3566e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3567e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3568e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3569e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3570e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 35718f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 35728f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 35738f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 35748f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 35758f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 35768f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3577e126ba97SEli Cohen }, 3578e126ba97SEli Cohen }, 3579e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3580e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3581e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3582e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3583e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3584e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3585c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3586c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3587e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3588c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3589c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3590e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3591e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3592e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 35938f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 35948f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 35958f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 35968f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 35978f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 35988f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3599e126ba97SEli Cohen }, 3600e126ba97SEli Cohen }, 3601e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3602e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3603e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3604e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 360575959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3606a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3607a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3608a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3609a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 36108f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 36118f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 36128f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 36138f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3614e126ba97SEli Cohen }, 3615e126ba97SEli Cohen }, 3616021c1f24SSergey Gorenko [MLX5_QP_STATE_SQD] = { 3617021c1f24SSergey Gorenko [MLX5_QP_STATE_RTS] = { 3618021c1f24SSergey Gorenko [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3619021c1f24SSergey Gorenko [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 3620021c1f24SSergey Gorenko [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3621021c1f24SSergey Gorenko [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3622021c1f24SSergey Gorenko MLX5_QP_OPTPAR_RWE | 3623021c1f24SSergey Gorenko MLX5_QP_OPTPAR_RAE | 3624021c1f24SSergey Gorenko MLX5_QP_OPTPAR_RRE, 3625021c1f24SSergey Gorenko }, 3626021c1f24SSergey Gorenko }, 3627e126ba97SEli Cohen }; 3628e126ba97SEli Cohen 3629e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3630e126ba97SEli Cohen { 3631e126ba97SEli Cohen switch (ib_mask) { 3632e126ba97SEli Cohen case IB_QP_STATE: 3633e126ba97SEli Cohen return 0; 3634e126ba97SEli Cohen case IB_QP_CUR_STATE: 3635e126ba97SEli Cohen return 0; 3636e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3637e126ba97SEli Cohen return 0; 3638e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3639e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3640e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3641e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3642e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3643e126ba97SEli Cohen case IB_QP_PORT: 3644e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3645e126ba97SEli Cohen case IB_QP_QKEY: 3646e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3647e126ba97SEli Cohen case IB_QP_AV: 3648e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3649e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3650e126ba97SEli Cohen case IB_QP_PATH_MTU: 3651e126ba97SEli Cohen return 0; 3652e126ba97SEli Cohen case IB_QP_TIMEOUT: 3653e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3654e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3655e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3656e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3657e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3658e126ba97SEli Cohen case IB_QP_RQ_PSN: 3659e126ba97SEli Cohen return 0; 3660e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3661e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3662e126ba97SEli Cohen case IB_QP_ALT_PATH: 3663e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3664e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3665e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3666e126ba97SEli Cohen case IB_QP_SQ_PSN: 3667e126ba97SEli Cohen return 0; 3668e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3669e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3670e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3671e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3672e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3673e126ba97SEli Cohen case IB_QP_CAP: 3674e126ba97SEli Cohen return 0; 3675e126ba97SEli Cohen case IB_QP_DEST_QPN: 3676e126ba97SEli Cohen return 0; 3677e126ba97SEli Cohen } 3678e126ba97SEli Cohen return 0; 3679e126ba97SEli Cohen } 3680e126ba97SEli Cohen 3681e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3682e126ba97SEli Cohen { 3683e126ba97SEli Cohen int result = 0; 3684e126ba97SEli Cohen int i; 3685e126ba97SEli Cohen 3686e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3687e126ba97SEli Cohen if ((1 << i) & ib_mask) 3688e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3689e126ba97SEli Cohen } 3690e126ba97SEli Cohen 3691e126ba97SEli Cohen return result; 3692e126ba97SEli Cohen } 3693e126ba97SEli Cohen 369434d57585SYishai Hadas static int modify_raw_packet_qp_rq( 369534d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 369634d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3697ad5f8e96Smajd@mellanox.com { 3698ad5f8e96Smajd@mellanox.com void *in; 3699ad5f8e96Smajd@mellanox.com void *rqc; 3700ad5f8e96Smajd@mellanox.com int inlen; 3701ad5f8e96Smajd@mellanox.com int err; 3702ad5f8e96Smajd@mellanox.com 3703ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 37041b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3705ad5f8e96Smajd@mellanox.com if (!in) 3706ad5f8e96Smajd@mellanox.com return -ENOMEM; 3707ad5f8e96Smajd@mellanox.com 3708ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 370934d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3710ad5f8e96Smajd@mellanox.com 3711ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3712ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3713ad5f8e96Smajd@mellanox.com 3714eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3715eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3716eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 371723a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3718eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3719eb49ab0cSAlex Vesker } else 37205a738b5dSJason Gunthorpe dev_info_once( 37215a738b5dSJason Gunthorpe &dev->ib_dev.dev, 37225a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3723eb49ab0cSAlex Vesker } 3724eb49ab0cSAlex Vesker 3725e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3726ad5f8e96Smajd@mellanox.com if (err) 3727ad5f8e96Smajd@mellanox.com goto out; 3728ad5f8e96Smajd@mellanox.com 3729ad5f8e96Smajd@mellanox.com rq->state = new_state; 3730ad5f8e96Smajd@mellanox.com 3731ad5f8e96Smajd@mellanox.com out: 3732ad5f8e96Smajd@mellanox.com kvfree(in); 3733ad5f8e96Smajd@mellanox.com return err; 3734ad5f8e96Smajd@mellanox.com } 3735ad5f8e96Smajd@mellanox.com 3736c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3737c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3738c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3739ad5f8e96Smajd@mellanox.com { 37407d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 374161147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 374261147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 374361147f39SBodong Wang bool new_rate_added = false; 37447d29f349SBodong Wang u16 rl_index = 0; 3745ad5f8e96Smajd@mellanox.com void *in; 3746ad5f8e96Smajd@mellanox.com void *sqc; 3747ad5f8e96Smajd@mellanox.com int inlen; 3748ad5f8e96Smajd@mellanox.com int err; 3749ad5f8e96Smajd@mellanox.com 3750ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 37511b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3752ad5f8e96Smajd@mellanox.com if (!in) 3753ad5f8e96Smajd@mellanox.com return -ENOMEM; 3754ad5f8e96Smajd@mellanox.com 3755c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3756ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3757ad5f8e96Smajd@mellanox.com 3758ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3759ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3760ad5f8e96Smajd@mellanox.com 37617d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 37627d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 37637d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 37647d29f349SBodong Wang __func__); 37657d29f349SBodong Wang else 376661147f39SBodong Wang new_rl = raw_qp_param->rl; 37677d29f349SBodong Wang } 3768ad5f8e96Smajd@mellanox.com 376961147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 377061147f39SBodong Wang if (new_rl.rate) { 377161147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 37727d29f349SBodong Wang if (err) { 377361147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 377461147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 377561147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 377661147f39SBodong Wang new_rl.typical_pkt_sz); 377761147f39SBodong Wang 37787d29f349SBodong Wang goto out; 37797d29f349SBodong Wang } 378061147f39SBodong Wang new_rate_added = true; 37817d29f349SBodong Wang } 37827d29f349SBodong Wang 37837d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 378461147f39SBodong Wang /* index 0 means no limit */ 37857d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 37867d29f349SBodong Wang } 37877d29f349SBodong Wang 3788e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 37897d29f349SBodong Wang if (err) { 37907d29f349SBodong Wang /* Remove new rate from table if failed */ 379161147f39SBodong Wang if (new_rate_added) 379261147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 37937d29f349SBodong Wang goto out; 37947d29f349SBodong Wang } 37957d29f349SBodong Wang 37967d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3797c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3798c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 379961147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3800c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3801c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3802c8973df2SRafi Wiener } 38037d29f349SBodong Wang 380461147f39SBodong Wang ibqp->rl = new_rl; 3805ad5f8e96Smajd@mellanox.com sq->state = new_state; 3806ad5f8e96Smajd@mellanox.com 3807ad5f8e96Smajd@mellanox.com out: 3808ad5f8e96Smajd@mellanox.com kvfree(in); 3809ad5f8e96Smajd@mellanox.com return err; 3810ad5f8e96Smajd@mellanox.com } 3811ad5f8e96Smajd@mellanox.com 3812ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 381313eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 381413eab21fSAviv Heller u8 tx_affinity) 3815ad5f8e96Smajd@mellanox.com { 3816ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3817ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3818ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 38197d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 38207d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3821ad5f8e96Smajd@mellanox.com int rq_state; 3822ad5f8e96Smajd@mellanox.com int sq_state; 3823ad5f8e96Smajd@mellanox.com int err; 3824ad5f8e96Smajd@mellanox.com 38250680efa2SAlex Vesker switch (raw_qp_param->operation) { 3826ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3827ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3828c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RST; 3829ad5f8e96Smajd@mellanox.com break; 3830ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3831ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3832ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3833ad5f8e96Smajd@mellanox.com break; 3834ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3835ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3836ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3837ad5f8e96Smajd@mellanox.com break; 3838ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3839ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 3840c94e272bSMaor Gottlieb if (raw_qp_param->set_mask & ~MLX5_RAW_QP_RATE_LIMIT) 3841c94e272bSMaor Gottlieb return -EINVAL; 3842c94e272bSMaor Gottlieb 38437d29f349SBodong Wang modify_rq = 0; 3844c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RDY; 38457d29f349SBodong Wang break; 38467d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 38477d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3848eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3849eb49ab0cSAlex Vesker return -EINVAL; 3850eb49ab0cSAlex Vesker else 3851ad5f8e96Smajd@mellanox.com return 0; 3852ad5f8e96Smajd@mellanox.com default: 3853ad5f8e96Smajd@mellanox.com WARN_ON(1); 3854ad5f8e96Smajd@mellanox.com return -EINVAL; 3855ad5f8e96Smajd@mellanox.com } 3856ad5f8e96Smajd@mellanox.com 38577d29f349SBodong Wang if (modify_rq) { 385834d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 385934d57585SYishai Hadas qp->ibqp.pd); 3860ad5f8e96Smajd@mellanox.com if (err) 3861ad5f8e96Smajd@mellanox.com return err; 3862ad5f8e96Smajd@mellanox.com } 3863ad5f8e96Smajd@mellanox.com 38647d29f349SBodong Wang if (modify_sq) { 3865d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3866d5ed8ac3SMark Bloch 386713eab21fSAviv Heller if (tx_affinity) { 386813eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 38691cd6dbd3SYishai Hadas tx_affinity, 38701cd6dbd3SYishai Hadas qp->ibqp.pd); 387113eab21fSAviv Heller if (err) 387213eab21fSAviv Heller return err; 387313eab21fSAviv Heller } 387413eab21fSAviv Heller 3875d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3876d5ed8ac3SMark Bloch raw_qp_param->port); 3877d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 38781db86318SColin Ian King return PTR_ERR(flow_rule); 3879d5ed8ac3SMark Bloch 3880d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3881c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3882d5ed8ac3SMark Bloch if (err) { 3883d5ed8ac3SMark Bloch if (flow_rule) 3884d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3885d5ed8ac3SMark Bloch return err; 3886d5ed8ac3SMark Bloch } 3887d5ed8ac3SMark Bloch 3888d5ed8ac3SMark Bloch if (flow_rule) { 3889d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3890d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3891d5ed8ac3SMark Bloch } 3892d5ed8ac3SMark Bloch 3893d5ed8ac3SMark Bloch return err; 389413eab21fSAviv Heller } 3895ad5f8e96Smajd@mellanox.com 3896ad5f8e96Smajd@mellanox.com return 0; 3897ad5f8e96Smajd@mellanox.com } 3898ad5f8e96Smajd@mellanox.com 38995163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 39005163b274SMaor Gottlieb struct ib_udata *udata) 3901c6a21c38SMajd Dibbiny { 390289944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 390389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 39045163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 39055163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3906c6a21c38SMajd Dibbiny 39075163b274SMaor Gottlieb if (ucontext) 39085163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 39095163b274SMaor Gottlieb else 39105163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 39115163b274SMaor Gottlieb 39125163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 39135163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3914c6a21c38SMajd Dibbiny } 3915c6a21c38SMajd Dibbiny 39168f3243a0SMark Zhang static bool qp_supports_affinity(struct mlx5_ib_qp *qp) 39175163b274SMaor Gottlieb { 39188f3243a0SMark Zhang if ((qp->type == IB_QPT_RC) || (qp->type == IB_QPT_UD) || 39198f3243a0SMark Zhang (qp->type == IB_QPT_UC) || (qp->type == IB_QPT_RAW_PACKET) || 39208f3243a0SMark Zhang (qp->type == IB_QPT_XRC_INI) || (qp->type == IB_QPT_XRC_TGT) || 39218f3243a0SMark Zhang (qp->type == MLX5_IB_QPT_DCI)) 39225163b274SMaor Gottlieb return true; 39235163b274SMaor Gottlieb return false; 39245163b274SMaor Gottlieb } 39255163b274SMaor Gottlieb 3926cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3927cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3928cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 39295163b274SMaor Gottlieb struct ib_udata *udata) 39305163b274SMaor Gottlieb { 39315163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 39325163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 39335163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 39345163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 39355163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 39365163b274SMaor Gottlieb unsigned int tx_affinity; 39375163b274SMaor Gottlieb 3938802dcc7fSMark Zhang if (!(mlx5_ib_lag_should_assign_affinity(dev) && 39398f3243a0SMark Zhang qp_supports_affinity(mqp))) 39405163b274SMaor Gottlieb return 0; 39415163b274SMaor Gottlieb 3942cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3943cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3944cfc1a89eSMaor Gottlieb else if (init) 39455163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3946cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3947cfc1a89eSMaor Gottlieb tx_affinity = 3948cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3949cfc1a89eSMaor Gottlieb else 3950cfc1a89eSMaor Gottlieb return 0; 39515163b274SMaor Gottlieb 39525163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 39535163b274SMaor Gottlieb if (ucontext) 39545163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 39555163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 39565163b274SMaor Gottlieb else 39575163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 39585163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 39595163b274SMaor Gottlieb return tx_affinity; 3960c6a21c38SMajd Dibbiny } 3961c6a21c38SMajd Dibbiny 3962d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3963d14133ddSMark Zhang struct rdma_counter *counter) 3964d14133ddSMark Zhang { 3965d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 396664bae2d4SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; 3967d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3968d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3969d14133ddSMark Zhang u32 set_id; 397064bae2d4SLeon Romanovsky u32 *qpc; 3971d14133ddSMark Zhang 39723e1f000fSParav Pandit if (counter) 3973d14133ddSMark Zhang set_id = counter->id; 39743e1f000fSParav Pandit else 39753e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3976d14133ddSMark Zhang 3977d14133ddSMark Zhang base = &mqp->trans_qp.base; 397864bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); 397964bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); 398064bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); 398164bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opt_param_mask, 398264bae2d4SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID); 398364bae2d4SLeon Romanovsky 398464bae2d4SLeon Romanovsky qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); 398564bae2d4SLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 398664bae2d4SLeon Romanovsky return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); 3987d14133ddSMark Zhang } 3988d14133ddSMark Zhang 3989e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3990e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 399189944450SShamir Rabinovitch enum ib_qp_state cur_state, 399289944450SShamir Rabinovitch enum ib_qp_state new_state, 399389944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 399450aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp *resp, 399589944450SShamir Rabinovitch struct ib_udata *udata) 3996e126ba97SEli Cohen { 3997427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3998427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3999427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4000427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4001427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 4002427c1e7bSmajd@mellanox.com }, 4003427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 4004427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4005427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4006427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 4007427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 4008427c1e7bSmajd@mellanox.com }, 4009427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 4010427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4011427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4012427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 4013427c1e7bSmajd@mellanox.com }, 4014427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 4015427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4016427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4017427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 4018427c1e7bSmajd@mellanox.com }, 4019427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 4020427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4021427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4022021c1f24SSergey Gorenko [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQD_RTS_QP, 4023427c1e7bSmajd@mellanox.com }, 4024427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 4025427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4026427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4027427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 4028427c1e7bSmajd@mellanox.com }, 4029427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 4030427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 4031427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 4032427c1e7bSmajd@mellanox.com } 4033427c1e7bSmajd@mellanox.com }; 4034427c1e7bSmajd@mellanox.com 4035e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4036e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 403719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 4038e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 4039e126ba97SEli Cohen struct mlx5_ib_pd *pd; 4040e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 4041f18e26afSLeon Romanovsky void *qpc, *pri_path, *alt_path; 4042cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 4043d14133ddSMark Zhang u32 set_id = 0; 4044e126ba97SEli Cohen int mlx5_st; 4045e126ba97SEli Cohen int err; 4046427c1e7bSmajd@mellanox.com u16 op; 404713eab21fSAviv Heller u8 tx_affinity = 0; 4048e126ba97SEli Cohen 40497aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 405055de9a77SLeon Romanovsky if (mlx5_st < 0) 405155de9a77SLeon Romanovsky return -EINVAL; 405255de9a77SLeon Romanovsky 4053f18e26afSLeon Romanovsky qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); 4054f18e26afSLeon Romanovsky if (!qpc) 4055e126ba97SEli Cohen return -ENOMEM; 4056e126ba97SEli Cohen 4057029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 4058f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 4059e126ba97SEli Cohen 4060e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 4061f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 4062e126ba97SEli Cohen } else { 4063e126ba97SEli Cohen switch (attr->path_mig_state) { 4064e126ba97SEli Cohen case IB_MIG_MIGRATED: 4065f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 4066e126ba97SEli Cohen break; 4067e126ba97SEli Cohen case IB_MIG_REARM: 4068f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); 4069e126ba97SEli Cohen break; 4070e126ba97SEli Cohen case IB_MIG_ARMED: 4071f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); 4072e126ba97SEli Cohen break; 4073e126ba97SEli Cohen } 4074e126ba97SEli Cohen } 4075e126ba97SEli Cohen 4076cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 40775163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 40785163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 4079f18e26afSLeon Romanovsky 4080f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); 4081f18e26afSLeon Romanovsky if (tx_affinity && new_state == IB_QPS_RTR && 4082cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 4083cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 408413eab21fSAviv Heller 40859ecf6ac1SMaor Gottlieb if (is_sqp(qp->type)) { 4086f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_256); 4087f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 8); 40889ecf6ac1SMaor Gottlieb } else if ((qp->type == IB_QPT_UD && 40892be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 40909ecf6ac1SMaor Gottlieb qp->type == MLX5_IB_QPT_REG_UMR) { 4091f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); 4092f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 12); 4093e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 4094e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 4095e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 4096e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 4097e126ba97SEli Cohen err = -EINVAL; 4098e126ba97SEli Cohen goto out; 4099e126ba97SEli Cohen } 4100f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, attr->path_mtu); 4101f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 4102f18e26afSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, log_max_msg)); 4103e126ba97SEli Cohen } 4104e126ba97SEli Cohen 4105e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 4106f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); 4107f18e26afSLeon Romanovsky 4108f18e26afSLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 4109f18e26afSLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4110e126ba97SEli Cohen 4111e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 4112f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); 4113e126ba97SEli Cohen 4114e126ba97SEli Cohen /* todo implement counter_index functionality */ 4115e126ba97SEli Cohen 41169ecf6ac1SMaor Gottlieb if (is_sqp(qp->type)) 4117f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, qp->port); 4118e126ba97SEli Cohen 4119e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4120f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); 4121e126ba97SEli Cohen 4122e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 4123f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, 4124f18e26afSLeon Romanovsky attr_mask & IB_QP_PORT ? attr->port_num : 4125f18e26afSLeon Romanovsky qp->port, 4126f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 4127e126ba97SEli Cohen if (err) 4128e126ba97SEli Cohen goto out; 4129e126ba97SEli Cohen } 4130e126ba97SEli Cohen 4131e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 4132f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); 4133e126ba97SEli Cohen 4134e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 4135f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, 4136f879ee8dSAchiad Shochat attr->alt_port_num, 4137f18e26afSLeon Romanovsky attr_mask | IB_QP_PKEY_INDEX | 4138f18e26afSLeon Romanovsky IB_QP_TIMEOUT, 4139f879ee8dSAchiad Shochat 0, attr, true); 4140e126ba97SEli Cohen if (err) 4141e126ba97SEli Cohen goto out; 4142e126ba97SEli Cohen } 4143e126ba97SEli Cohen 41449ecf6ac1SMaor Gottlieb get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 414589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 4146e126ba97SEli Cohen 4147f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 4148f18e26afSLeon Romanovsky if (send_cq) 4149f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); 4150f18e26afSLeon Romanovsky if (recv_cq) 4151f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); 4152f18e26afSLeon Romanovsky 4153f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); 4154e126ba97SEli Cohen 4155e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 4156f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); 4157e126ba97SEli Cohen 4158e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 4159f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); 4160e126ba97SEli Cohen 4161f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) 4162f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); 4163e126ba97SEli Cohen 4164e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 4165f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); 4166e126ba97SEli Cohen 4167f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) 4168f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_rra_max, 4169f18e26afSLeon Romanovsky ilog2(attr->max_dest_rd_atomic)); 4170e126ba97SEli Cohen 4171a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 4172f18e26afSLeon Romanovsky err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); 4173a60109dcSYonatan Cohen if (err) 4174a60109dcSYonatan Cohen goto out; 4175a60109dcSYonatan Cohen } 4176e126ba97SEli Cohen 4177e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 4178f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); 4179e126ba97SEli Cohen 4180e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 4181f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); 4182e126ba97SEli Cohen 4183e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 4184f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, q_key, attr->qkey); 4185e126ba97SEli Cohen 4186e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4187f18e26afSLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 4188e126ba97SEli Cohen 41890837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 41900837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 41910837e86aSMark Bloch qp->port) - 1; 4192c2e53b2cSYishai Hadas 4193c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 41942be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 4195c2e53b2cSYishai Hadas port_num = 0; 4196c2e53b2cSYishai Hadas 4197d14133ddSMark Zhang if (ibqp->counter) 4198d14133ddSMark Zhang set_id = ibqp->counter->id; 4199d14133ddSMark Zhang else 42003e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 4201f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 42020837e86aSMark Bloch } 42030837e86aSMark Bloch 4204e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4205f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rlky, 1); 4206e126ba97SEli Cohen 42072be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 4208f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, deth_sqpn, 1); 4209e126ba97SEli Cohen 4210e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 4211e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 4212e126ba97SEli Cohen 4213427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 42145d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 42155d414b17SDan Carpenter err = -EINVAL; 4216427c1e7bSmajd@mellanox.com goto out; 42175d414b17SDan Carpenter } 4218427c1e7bSmajd@mellanox.com 4219427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 4220cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 4221e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 4222ad5f8e96Smajd@mellanox.com 42239ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_RAW_PACKET || 42242be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 42250680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 42260680efa2SAlex Vesker 42270680efa2SAlex Vesker raw_qp_param.operation = op; 4228eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4229d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 4230eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 4231eb49ab0cSAlex Vesker } 42327d29f349SBodong Wang 4233d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 4234d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 4235d5ed8ac3SMark Bloch 42367d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 423761147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 423861147f39SBodong Wang 423961147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 424061147f39SBodong Wang if (attr->rate_limit && 424161147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 424261147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 424361147f39SBodong Wang ucmd->burst_info.max_burst_sz; 424461147f39SBodong Wang } else { 424561147f39SBodong Wang err = -EINVAL; 424661147f39SBodong Wang goto out; 424761147f39SBodong Wang } 424861147f39SBodong Wang } 424961147f39SBodong Wang 425061147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 425161147f39SBodong Wang if (attr->rate_limit && 425261147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 425361147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 425461147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 425561147f39SBodong Wang } else { 425661147f39SBodong Wang err = -EINVAL; 425761147f39SBodong Wang goto out; 425861147f39SBodong Wang } 425961147f39SBodong Wang } 426061147f39SBodong Wang 42617d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 42627d29f349SBodong Wang } 42637d29f349SBodong Wang 426413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 42650680efa2SAlex Vesker } else { 426650aec2c3SLeon Romanovsky if (udata) { 426750aec2c3SLeon Romanovsky /* For the kernel flows, the resp will stay zero */ 426850aec2c3SLeon Romanovsky resp->ece_options = 426950aec2c3SLeon Romanovsky MLX5_CAP_GEN(dev->mdev, ece_support) ? 42705f62a521SLeon Romanovsky ucmd->ece_options : 0; 427150aec2c3SLeon Romanovsky resp->response_length = sizeof(*resp); 427250aec2c3SLeon Romanovsky } 42735f62a521SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, 427450aec2c3SLeon Romanovsky &resp->ece_options); 42750680efa2SAlex Vesker } 42760680efa2SAlex Vesker 4277e126ba97SEli Cohen if (err) 4278e126ba97SEli Cohen goto out; 4279e126ba97SEli Cohen 4280e126ba97SEli Cohen qp->state = new_state; 4281e126ba97SEli Cohen 4282e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 428319098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 4284e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 428519098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 4286e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4287e126ba97SEli Cohen qp->port = attr->port_num; 4288e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 428919098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 4290e126ba97SEli Cohen 4291e126ba97SEli Cohen /* 4292e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 4293e126ba97SEli Cohen * entries and reinitialize the QP. 4294e126ba97SEli Cohen */ 429575a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 42969ecf6ac1SMaor Gottlieb !ibqp->uobject && qp->type != IB_QPT_XRC_TGT) { 429719098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 4298e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 4299e126ba97SEli Cohen if (send_cq != recv_cq) 430019098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 4301e126ba97SEli Cohen 4302e126ba97SEli Cohen qp->rq.head = 0; 4303e126ba97SEli Cohen qp->rq.tail = 0; 4304e126ba97SEli Cohen qp->sq.head = 0; 4305e126ba97SEli Cohen qp->sq.tail = 0; 4306e126ba97SEli Cohen qp->sq.cur_post = 0; 430734f4c955SGuy Levi if (qp->sq.wqe_cnt) 430834f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 4309950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 4310e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 4311e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 4312e126ba97SEli Cohen } 4313e126ba97SEli Cohen 4314d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 4315d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 4316d14133ddSMark Zhang if (!err) 4317d14133ddSMark Zhang qp->counter_pending = 0; 4318d14133ddSMark Zhang } 4319d14133ddSMark Zhang 4320e126ba97SEli Cohen out: 4321f18e26afSLeon Romanovsky kfree(qpc); 4322e126ba97SEli Cohen return err; 4323e126ba97SEli Cohen } 4324e126ba97SEli Cohen 4325c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 4326c32a4f29SMoni Shoua { 4327c32a4f29SMoni Shoua if ((mask & req) != req) 4328c32a4f29SMoni Shoua return false; 4329c32a4f29SMoni Shoua 4330c32a4f29SMoni Shoua if (mask & ~(req | opt)) 4331c32a4f29SMoni Shoua return false; 4332c32a4f29SMoni Shoua 4333c32a4f29SMoni Shoua return true; 4334c32a4f29SMoni Shoua } 4335c32a4f29SMoni Shoua 4336c32a4f29SMoni Shoua /* check valid transition for driver QP types 4337c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 4338c32a4f29SMoni Shoua */ 4339c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 4340c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 4341c32a4f29SMoni Shoua { 4342c32a4f29SMoni Shoua int req = IB_QP_STATE; 4343c32a4f29SMoni Shoua int opt = 0; 4344c32a4f29SMoni Shoua 434599ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 434699ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 434799ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4348c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 4349c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4350c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 4351c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 4352c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4353c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4354c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 43555ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 4356c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4357c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4358c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4359c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 4360c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4361c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4362c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 4363c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4364c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4365c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4366c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4367c32a4f29SMoni Shoua } 4368c32a4f29SMoni Shoua return false; 4369c32a4f29SMoni Shoua } 4370c32a4f29SMoni Shoua 4371776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4372776a3906SMoni Shoua * valid transitions are: 4373776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4374776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4375776a3906SMoni Shoua * mtu, gid_index and hop_limit 4376776a3906SMoni Shoua * Other transitions and attributes are illegal 4377776a3906SMoni Shoua */ 4378776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4379a645a89dSLeon Romanovsky int attr_mask, struct mlx5_ib_modify_qp *ucmd, 4380a645a89dSLeon Romanovsky struct ib_udata *udata) 4381776a3906SMoni Shoua { 4382776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4383776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4384776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4385776a3906SMoni Shoua int required = IB_QP_STATE; 4386776a3906SMoni Shoua void *dctc; 438771cab8efSLeon Romanovsky int err; 4388776a3906SMoni Shoua 4389776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4390776a3906SMoni Shoua return -EINVAL; 4391776a3906SMoni Shoua 4392776a3906SMoni Shoua cur_state = qp->state; 4393776a3906SMoni Shoua new_state = attr->qp_state; 4394776a3906SMoni Shoua 4395776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4396a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) 4397a645a89dSLeon Romanovsky /* 4398a645a89dSLeon Romanovsky * DCT doesn't initialize QP till modify command is executed, 4399a645a89dSLeon Romanovsky * so we need to overwrite previously set ECE field if user 4400a645a89dSLeon Romanovsky * provided any value except zero, which means not set/not 4401a645a89dSLeon Romanovsky * valid. 4402a645a89dSLeon Romanovsky */ 4403a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 4404a645a89dSLeon Romanovsky 4405776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 44063e1f000fSParav Pandit u16 set_id; 44073e1f000fSParav Pandit 4408776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4409776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4410776a3906SMoni Shoua return -EINVAL; 4411776a3906SMoni Shoua 4412776a3906SMoni Shoua if (attr->port_num == 0 || 4413776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4414776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4415776a3906SMoni Shoua attr->port_num, dev->num_ports); 4416776a3906SMoni Shoua return -EINVAL; 4417776a3906SMoni Shoua } 4418776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4419776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4420776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4421776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4422776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4423a60109dcSYonatan Cohen int atomic_mode; 4424a60109dcSYonatan Cohen 4425a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4426a60109dcSYonatan Cohen if (atomic_mode < 0) 4427776a3906SMoni Shoua return -EOPNOTSUPP; 4428a60109dcSYonatan Cohen 4429a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4430776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4431776a3906SMoni Shoua } 4432776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 44337c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev)) 44347c4b1ab9SMark Zhang MLX5_SET(dctc, dctc, port, 44357c4b1ab9SMark Zhang get_tx_affinity_rr(dev, udata)); 44367c4b1ab9SMark Zhang else 4437776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 44383e1f000fSParav Pandit 44393e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 44403e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4441776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4442776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4443a645a89dSLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; 4444a645a89dSLeon Romanovsky u32 min_resp_len = offsetofend(typeof(resp), dctn); 4445776a3906SMoni Shoua 4446776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4447776a3906SMoni Shoua return -EINVAL; 4448a645a89dSLeon Romanovsky /* 4449a645a89dSLeon Romanovsky * If we don't have enough space for the ECE options, 4450a645a89dSLeon Romanovsky * simply indicate it with resp.response_length. 4451a645a89dSLeon Romanovsky */ 4452a645a89dSLeon Romanovsky resp.response_length = (udata->outlen < sizeof(resp)) ? 4453a645a89dSLeon Romanovsky min_resp_len : 4454a645a89dSLeon Romanovsky sizeof(resp); 4455a645a89dSLeon Romanovsky 4456776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4457776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4458776a3906SMoni Shoua return -EINVAL; 4459776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4460776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4461776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4462776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4463776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4464776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4465776a3906SMoni Shoua 4466333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4467c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4468c5ae1954SYishai Hadas sizeof(out)); 4469776a3906SMoni Shoua if (err) 4470776a3906SMoni Shoua return err; 4471776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4472a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 4473a645a89dSLeon Romanovsky resp.ece_options = MLX5_GET(create_dct_out, out, ece); 4474776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4475776a3906SMoni Shoua if (err) { 4476333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4477776a3906SMoni Shoua return err; 4478776a3906SMoni Shoua } 4479776a3906SMoni Shoua } else { 4480776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4481776a3906SMoni Shoua return -EINVAL; 4482776a3906SMoni Shoua } 448371cab8efSLeon Romanovsky 4484776a3906SMoni Shoua qp->state = new_state; 448571cab8efSLeon Romanovsky return 0; 4486776a3906SMoni Shoua } 4487776a3906SMoni Shoua 44882614488dSMark Bloch static bool mlx5_ib_modify_qp_allowed(struct mlx5_ib_dev *dev, 44899ecf6ac1SMaor Gottlieb struct mlx5_ib_qp *qp) 44902614488dSMark Bloch { 44912614488dSMark Bloch if (dev->profile != &raw_eth_profile) 44922614488dSMark Bloch return true; 44932614488dSMark Bloch 44949ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_RAW_PACKET || qp->type == MLX5_IB_QPT_REG_UMR) 44952614488dSMark Bloch return true; 44962614488dSMark Bloch 44972614488dSMark Bloch /* Internal QP used for wc testing, with NOPs in wq */ 44982614488dSMark Bloch if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 44992614488dSMark Bloch return true; 45002614488dSMark Bloch 45012614488dSMark Bloch return false; 45022614488dSMark Bloch } 45032614488dSMark Bloch 4504e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4505e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4506e126ba97SEli Cohen { 4507e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 450850aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp resp = {}; 4509e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 451061147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4511d16e91daSHaggai Eran enum ib_qp_type qp_type; 4512e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 4513e126ba97SEli Cohen int err = -EINVAL; 4514e126ba97SEli Cohen 45159ecf6ac1SMaor Gottlieb if (!mlx5_ib_modify_qp_allowed(dev, qp)) 45162614488dSMark Bloch return -EOPNOTSUPP; 45172614488dSMark Bloch 451826e990baSJason Gunthorpe if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT)) 451926e990baSJason Gunthorpe return -EOPNOTSUPP; 452026e990baSJason Gunthorpe 452128d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 452228d61370SYishai Hadas return -ENOSYS; 452328d61370SYishai Hadas 452461147f39SBodong Wang if (udata && udata->inlen) { 45255f62a521SLeon Romanovsky if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) 452661147f39SBodong Wang return -EINVAL; 452761147f39SBodong Wang 452861147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 452961147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 453061147f39SBodong Wang udata->inlen - sizeof(ucmd))) 453161147f39SBodong Wang return -EOPNOTSUPP; 453261147f39SBodong Wang 453361147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 453461147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 453561147f39SBodong Wang return -EFAULT; 453661147f39SBodong Wang 453761147f39SBodong Wang if (ucmd.comp_mask || 453861147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 453961147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 454061147f39SBodong Wang return -EOPNOTSUPP; 45415f62a521SLeon Romanovsky 454261147f39SBodong Wang } 454361147f39SBodong Wang 45449ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_GSI) 4545d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4546d16e91daSHaggai Eran 45479ecf6ac1SMaor Gottlieb qp_type = (qp->type == MLX5_IB_QPT_HW_GSI) ? IB_QPT_GSI : qp->type; 4548d16e91daSHaggai Eran 4549a645a89dSLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 4550a645a89dSLeon Romanovsky return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); 4551c32a4f29SMoni Shoua 4552e126ba97SEli Cohen mutex_lock(&qp->mutex); 4553e126ba97SEli Cohen 4554e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4555e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4556e126ba97SEli Cohen 45572be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4558c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4559c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4560c2e53b2cSYishai Hadas attr_mask); 4561c2e53b2cSYishai Hadas goto out; 4562c2e53b2cSYishai Hadas } 4563c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4564c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4565d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4566d31131bbSKamal Heib attr_mask)) { 4567158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 45689ecf6ac1SMaor Gottlieb cur_state, new_state, qp->type, attr_mask); 4569e126ba97SEli Cohen goto out; 4570c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4571c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4572c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4573c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4574c32a4f29SMoni Shoua goto out; 4575158abf86SHaggai Eran } 4576e126ba97SEli Cohen 4577e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4578938fe83cSSaeed Mahameed (attr->port_num == 0 || 4579508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4580158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4581158abf86SHaggai Eran attr->port_num, dev->num_ports); 4582e126ba97SEli Cohen goto out; 4583158abf86SHaggai Eran } 4584e126ba97SEli Cohen 45852019d70eSParav Pandit if ((attr_mask & IB_QP_PKEY_INDEX) && 45862019d70eSParav Pandit attr->pkey_index >= dev->pkey_table_len) { 45872019d70eSParav Pandit mlx5_ib_dbg(dev, "invalid pkey index %d\n", attr->pkey_index); 4588e126ba97SEli Cohen goto out; 4589e126ba97SEli Cohen } 4590e126ba97SEli Cohen 4591e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4592938fe83cSSaeed Mahameed attr->max_rd_atomic > 4593158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4594158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4595158abf86SHaggai Eran attr->max_rd_atomic); 4596e126ba97SEli Cohen goto out; 4597158abf86SHaggai Eran } 4598e126ba97SEli Cohen 4599e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4600938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4601158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4602158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4603158abf86SHaggai Eran attr->max_dest_rd_atomic); 4604e126ba97SEli Cohen goto out; 4605158abf86SHaggai Eran } 4606e126ba97SEli Cohen 4607e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4608e126ba97SEli Cohen err = 0; 4609e126ba97SEli Cohen goto out; 4610e126ba97SEli Cohen } 4611e126ba97SEli Cohen 461261147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 461350aec2c3SLeon Romanovsky new_state, &ucmd, &resp, udata); 461450aec2c3SLeon Romanovsky 461550aec2c3SLeon Romanovsky /* resp.response_length is set in ECE supported flows only */ 461650aec2c3SLeon Romanovsky if (!err && resp.response_length && 461750aec2c3SLeon Romanovsky udata->outlen >= resp.response_length) 46186512f11dSLeon Romanovsky /* Return -EFAULT to the user and expect him to destroy QP. */ 46196512f11dSLeon Romanovsky err = ib_copy_to_udata(udata, &resp, resp.response_length); 4620e126ba97SEli Cohen 4621e126ba97SEli Cohen out: 4622e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4623e126ba97SEli Cohen return err; 4624e126ba97SEli Cohen } 4625e126ba97SEli Cohen 4626e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4627e126ba97SEli Cohen { 4628e126ba97SEli Cohen switch (mlx5_state) { 4629e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4630e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4631e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4632e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4633e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4634e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4635e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4636e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4637e126ba97SEli Cohen default: return -1; 4638e126ba97SEli Cohen } 4639e126ba97SEli Cohen } 4640e126ba97SEli Cohen 4641e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4642e126ba97SEli Cohen { 4643e126ba97SEli Cohen switch (mlx5_mig_state) { 4644e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4645e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4646e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4647e126ba97SEli Cohen default: return -1; 4648e126ba97SEli Cohen } 4649e126ba97SEli Cohen } 4650e126ba97SEli Cohen 465138349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 465270bd7fb8SLeon Romanovsky struct rdma_ah_attr *ah_attr, void *path) 4653e126ba97SEli Cohen { 465470bd7fb8SLeon Romanovsky int port = MLX5_GET(ads, path, vhca_port_num); 465570bd7fb8SLeon Romanovsky int static_rate; 4656e126ba97SEli Cohen 4657d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4658e126ba97SEli Cohen 465970bd7fb8SLeon Romanovsky if (!port || port > ibdev->num_ports) 4660e126ba97SEli Cohen return; 4661e126ba97SEli Cohen 466270bd7fb8SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); 4663ae59c3f0SLeon Romanovsky 466470bd7fb8SLeon Romanovsky rdma_ah_set_port_num(ah_attr, port); 466570bd7fb8SLeon Romanovsky rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); 4666e126ba97SEli Cohen 466770bd7fb8SLeon Romanovsky rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); 466870bd7fb8SLeon Romanovsky rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); 46692d7e3ff7SAharon Landau 467070bd7fb8SLeon Romanovsky static_rate = MLX5_GET(ads, path, stat_rate); 46716fe6e568SMark Zhang rdma_ah_set_static_rate(ah_attr, mlx5_to_ib_rate_map(static_rate)); 467270bd7fb8SLeon Romanovsky if (MLX5_GET(ads, path, grh) || 46732d7e3ff7SAharon Landau ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { 467470bd7fb8SLeon Romanovsky rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), 467570bd7fb8SLeon Romanovsky MLX5_GET(ads, path, src_addr_index), 467670bd7fb8SLeon Romanovsky MLX5_GET(ads, path, hop_limit), 467770bd7fb8SLeon Romanovsky MLX5_GET(ads, path, tclass)); 4678d4433557SMaor Gottlieb rdma_ah_set_dgid_raw(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip)); 4679e126ba97SEli Cohen } 4680e126ba97SEli Cohen } 4681e126ba97SEli Cohen 46826d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 46836d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 46846d2f89dfSmajd@mellanox.com u8 *sq_state) 4685e126ba97SEli Cohen { 46866d2f89dfSmajd@mellanox.com int err; 46876d2f89dfSmajd@mellanox.com 468828160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 46896d2f89dfSmajd@mellanox.com if (err) 46906d2f89dfSmajd@mellanox.com goto out; 46916d2f89dfSmajd@mellanox.com sq->state = *sq_state; 46926d2f89dfSmajd@mellanox.com 46936d2f89dfSmajd@mellanox.com out: 46946d2f89dfSmajd@mellanox.com return err; 46956d2f89dfSmajd@mellanox.com } 46966d2f89dfSmajd@mellanox.com 46976d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 46986d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 46996d2f89dfSmajd@mellanox.com u8 *rq_state) 47006d2f89dfSmajd@mellanox.com { 47016d2f89dfSmajd@mellanox.com void *out; 47026d2f89dfSmajd@mellanox.com void *rqc; 47036d2f89dfSmajd@mellanox.com int inlen; 47046d2f89dfSmajd@mellanox.com int err; 47056d2f89dfSmajd@mellanox.com 47066d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 47071b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 47086d2f89dfSmajd@mellanox.com if (!out) 47096d2f89dfSmajd@mellanox.com return -ENOMEM; 47106d2f89dfSmajd@mellanox.com 47116d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 47126d2f89dfSmajd@mellanox.com if (err) 47136d2f89dfSmajd@mellanox.com goto out; 47146d2f89dfSmajd@mellanox.com 47156d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 47166d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 47176d2f89dfSmajd@mellanox.com rq->state = *rq_state; 47186d2f89dfSmajd@mellanox.com 47196d2f89dfSmajd@mellanox.com out: 47206d2f89dfSmajd@mellanox.com kvfree(out); 47216d2f89dfSmajd@mellanox.com return err; 47226d2f89dfSmajd@mellanox.com } 47236d2f89dfSmajd@mellanox.com 47246d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 47256d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 47266d2f89dfSmajd@mellanox.com { 47276d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 47286d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 47296d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 47306d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 47316d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 47326d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 47336d2f89dfSmajd@mellanox.com }, 47346d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 4735c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 47366d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 47376d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 47386d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 47396d2f89dfSmajd@mellanox.com }, 47406d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 47416d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 47426d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 47436d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 47446d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 47456d2f89dfSmajd@mellanox.com }, 47466d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 4747c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 47486d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 47496d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 47506d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 47516d2f89dfSmajd@mellanox.com }, 47526d2f89dfSmajd@mellanox.com }; 47536d2f89dfSmajd@mellanox.com 47546d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 47556d2f89dfSmajd@mellanox.com 47566d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 47576d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 47586d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 47596d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 47606d2f89dfSmajd@mellanox.com return -EINVAL; 47616d2f89dfSmajd@mellanox.com } 47626d2f89dfSmajd@mellanox.com 47636d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 47646d2f89dfSmajd@mellanox.com *qp_state = qp->state; 47656d2f89dfSmajd@mellanox.com 47666d2f89dfSmajd@mellanox.com return 0; 47676d2f89dfSmajd@mellanox.com } 47686d2f89dfSmajd@mellanox.com 47696d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 47706d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 47716d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 47726d2f89dfSmajd@mellanox.com { 47736d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 47746d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 47756d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 47766d2f89dfSmajd@mellanox.com int err; 47776d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 47786d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 47796d2f89dfSmajd@mellanox.com 47806d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 47816d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 47826d2f89dfSmajd@mellanox.com if (err) 47836d2f89dfSmajd@mellanox.com return err; 47846d2f89dfSmajd@mellanox.com } 47856d2f89dfSmajd@mellanox.com 47866d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 47876d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 47886d2f89dfSmajd@mellanox.com if (err) 47896d2f89dfSmajd@mellanox.com return err; 47906d2f89dfSmajd@mellanox.com } 47916d2f89dfSmajd@mellanox.com 47926d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 47936d2f89dfSmajd@mellanox.com raw_packet_qp_state); 47946d2f89dfSmajd@mellanox.com } 47956d2f89dfSmajd@mellanox.com 47966d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 47976d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 47986d2f89dfSmajd@mellanox.com { 479909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 480070bd7fb8SLeon Romanovsky void *qpc, *pri_path, *alt_path; 480109a7d9ecSSaeed Mahameed u32 *outb; 480270bd7fb8SLeon Romanovsky int err; 4803e126ba97SEli Cohen 480409a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 48056d2f89dfSmajd@mellanox.com if (!outb) 48066d2f89dfSmajd@mellanox.com return -ENOMEM; 48076d2f89dfSmajd@mellanox.com 4808333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4809e126ba97SEli Cohen if (err) 48106d2f89dfSmajd@mellanox.com goto out; 4811e126ba97SEli Cohen 481270bd7fb8SLeon Romanovsky qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); 481309a7d9ecSSaeed Mahameed 481470bd7fb8SLeon Romanovsky qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); 481570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) 481670bd7fb8SLeon Romanovsky qp_attr->sq_draining = 1; 4817e126ba97SEli Cohen 481870bd7fb8SLeon Romanovsky qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); 481970bd7fb8SLeon Romanovsky qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); 482070bd7fb8SLeon Romanovsky qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); 482170bd7fb8SLeon Romanovsky qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); 482270bd7fb8SLeon Romanovsky qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); 482370bd7fb8SLeon Romanovsky qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); 482470bd7fb8SLeon Romanovsky 482570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rre)) 482670bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; 482770bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rwe)) 482870bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; 482970bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rae)) 483070bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; 483170bd7fb8SLeon Romanovsky 483270bd7fb8SLeon Romanovsky qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); 483370bd7fb8SLeon Romanovsky qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); 483470bd7fb8SLeon Romanovsky qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); 483570bd7fb8SLeon Romanovsky qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); 483670bd7fb8SLeon Romanovsky qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); 483770bd7fb8SLeon Romanovsky 483870bd7fb8SLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 483970bd7fb8SLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4840e126ba97SEli Cohen 48419ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_RC || qp->type == IB_QPT_UC || 48429ecf6ac1SMaor Gottlieb qp->type == IB_QPT_XRC_INI || qp->type == IB_QPT_XRC_TGT) { 484370bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); 484470bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); 484570bd7fb8SLeon Romanovsky qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); 484670bd7fb8SLeon Romanovsky qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); 4847e126ba97SEli Cohen } 4848e126ba97SEli Cohen 484970bd7fb8SLeon Romanovsky qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); 485070bd7fb8SLeon Romanovsky qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); 485170bd7fb8SLeon Romanovsky qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); 485270bd7fb8SLeon Romanovsky qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); 48536d2f89dfSmajd@mellanox.com 48546d2f89dfSmajd@mellanox.com out: 48556d2f89dfSmajd@mellanox.com kfree(outb); 48566d2f89dfSmajd@mellanox.com return err; 48576d2f89dfSmajd@mellanox.com } 48586d2f89dfSmajd@mellanox.com 4859776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4860776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4861776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4862776a3906SMoni Shoua { 4863776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4864776a3906SMoni Shoua u32 *out; 4865776a3906SMoni Shoua u32 access_flags = 0; 4866776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4867776a3906SMoni Shoua void *dctc; 4868776a3906SMoni Shoua int err; 4869776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4870776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4871776a3906SMoni Shoua IB_QP_PORT | 4872776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4873776a3906SMoni Shoua IB_QP_AV | 4874776a3906SMoni Shoua IB_QP_PATH_MTU | 4875776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4876776a3906SMoni Shoua 4877776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4878776a3906SMoni Shoua return -EINVAL; 4879776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4880776a3906SMoni Shoua return -EINVAL; 4881776a3906SMoni Shoua 4882776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4883776a3906SMoni Shoua if (!out) 4884776a3906SMoni Shoua return -ENOMEM; 4885776a3906SMoni Shoua 4886333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4887776a3906SMoni Shoua if (err) 4888776a3906SMoni Shoua goto out; 4889776a3906SMoni Shoua 4890776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4891776a3906SMoni Shoua 4892776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4893776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4894776a3906SMoni Shoua 4895776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4896776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4897776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4898776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4899776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4900776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4901776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4902776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4903776a3906SMoni Shoua } 4904776a3906SMoni Shoua 4905776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4906776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4907776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4908776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4909776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4910776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4911776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4912776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4913776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4914776a3906SMoni Shoua } 4915776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4916776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4917776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4918776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4919776a3906SMoni Shoua out: 4920776a3906SMoni Shoua kfree(out); 4921776a3906SMoni Shoua return err; 4922776a3906SMoni Shoua } 4923776a3906SMoni Shoua 49246d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 49256d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 49266d2f89dfSmajd@mellanox.com { 49276d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 49286d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 49296d2f89dfSmajd@mellanox.com int err = 0; 49306d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 49316d2f89dfSmajd@mellanox.com 493228d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 493328d61370SYishai Hadas return -ENOSYS; 493428d61370SYishai Hadas 49359ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_GSI) 4936d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4937d16e91daSHaggai Eran qp_init_attr); 4938d16e91daSHaggai Eran 4939c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4940c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4941c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4942c2e53b2cSYishai Hadas 49437aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4944776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4945776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4946776a3906SMoni Shoua 49476d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 49486d2f89dfSmajd@mellanox.com 49499ecf6ac1SMaor Gottlieb if (qp->type == IB_QPT_RAW_PACKET || 49502be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 49516d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 49526d2f89dfSmajd@mellanox.com if (err) 49536d2f89dfSmajd@mellanox.com goto out; 49546d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 49556d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 49566d2f89dfSmajd@mellanox.com } else { 49576d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 49586d2f89dfSmajd@mellanox.com if (err) 49596d2f89dfSmajd@mellanox.com goto out; 49606d2f89dfSmajd@mellanox.com } 49616d2f89dfSmajd@mellanox.com 49626d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4963e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4964e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4965e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4966e126ba97SEli Cohen 4967e126ba97SEli Cohen if (!ibqp->uobject) { 49680540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4969e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 49700540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4971e126ba97SEli Cohen } else { 4972e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4973e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4974e126ba97SEli Cohen } 4975e126ba97SEli Cohen 49769ecf6ac1SMaor Gottlieb qp_init_attr->qp_type = qp->type; 49770540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 49780540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 49790540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 49800540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4981e126ba97SEli Cohen 4982e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4983e126ba97SEli Cohen 4984a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4985051f2630SLeon Romanovsky 4986e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4987e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4988e126ba97SEli Cohen 4989e126ba97SEli Cohen out: 4990e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4991e126ba97SEli Cohen return err; 4992e126ba97SEli Cohen } 4993e126ba97SEli Cohen 499428ad5f65SLeon Romanovsky int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) 4995e126ba97SEli Cohen { 499628ad5f65SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); 499728ad5f65SLeon Romanovsky struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); 4998e126ba97SEli Cohen 4999938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 500028ad5f65SLeon Romanovsky return -EOPNOTSUPP; 5001e126ba97SEli Cohen 500228ad5f65SLeon Romanovsky return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5003e126ba97SEli Cohen } 5004e126ba97SEli Cohen 5005d0c45c85SLeon Romanovsky int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5006e126ba97SEli Cohen { 5007e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5008e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5009e126ba97SEli Cohen 5010d0c45c85SLeon Romanovsky return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5011e126ba97SEli Cohen } 501279b20a6cSYishai Hadas 5013350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5014350d0e4cSYishai Hadas { 5015350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5016350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5017350d0e4cSYishai Hadas struct ib_event event; 5018350d0e4cSYishai Hadas 5019350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5020350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5021350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5022350d0e4cSYishai Hadas switch (type) { 5023350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5024350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5025350d0e4cSYishai Hadas break; 5026350d0e4cSYishai Hadas default: 5027350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5028350d0e4cSYishai Hadas return; 5029350d0e4cSYishai Hadas } 5030350d0e4cSYishai Hadas 5031350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5032350d0e4cSYishai Hadas } 5033350d0e4cSYishai Hadas } 5034350d0e4cSYishai Hadas 503503404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 503603404e8aSMaor Gottlieb { 503703404e8aSMaor Gottlieb int err = 0; 503803404e8aSMaor Gottlieb 503903404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 504003404e8aSMaor Gottlieb if (dev->delay_drop.activate) 504103404e8aSMaor Gottlieb goto out; 504203404e8aSMaor Gottlieb 5043333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 504403404e8aSMaor Gottlieb if (err) 504503404e8aSMaor Gottlieb goto out; 504603404e8aSMaor Gottlieb 504703404e8aSMaor Gottlieb dev->delay_drop.activate = true; 504803404e8aSMaor Gottlieb out: 504903404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5050fe248c3aSMaor Gottlieb 5051fe248c3aSMaor Gottlieb if (!err) 5052fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 505303404e8aSMaor Gottlieb return err; 505403404e8aSMaor Gottlieb } 505503404e8aSMaor Gottlieb 505679b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 505779b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 505879b20a6cSYishai Hadas { 505979b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 50604be6da1eSNoa Osherovich int has_net_offloads; 506179b20a6cSYishai Hadas __be64 *rq_pas0; 50628256c69bSMaor Gottlieb int ts_format; 506379b20a6cSYishai Hadas void *in; 506479b20a6cSYishai Hadas void *rqc; 506579b20a6cSYishai Hadas void *wq; 506679b20a6cSYishai Hadas int inlen; 506779b20a6cSYishai Hadas int err; 506879b20a6cSYishai Hadas 506979b20a6cSYishai Hadas dev = to_mdev(pd->device); 507079b20a6cSYishai Hadas 50718256c69bSMaor Gottlieb ts_format = get_rq_ts_format(dev, to_mcq(init_attr->cq)); 50728256c69bSMaor Gottlieb if (ts_format < 0) 50738256c69bSMaor Gottlieb return ts_format; 50748256c69bSMaor Gottlieb 507579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 50761b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 507779b20a6cSYishai Hadas if (!in) 507879b20a6cSYishai Hadas return -ENOMEM; 507979b20a6cSYishai Hadas 508034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 508179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 508279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 508379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 50848256c69bSMaor Gottlieb MLX5_SET(rqc, rqc, ts_format, ts_format); 508579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 508679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 508779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 508879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 508979b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5090ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 5091ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 5092ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 5093b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5094b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 5095b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 5096b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5097b1383aa6SNoa Osherovich goto out; 5098b1383aa6SNoa Osherovich } else { 509979b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 5100b1383aa6SNoa Osherovich } 5101b1383aa6SNoa Osherovich } 510279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 5103ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 5104c16339b6SMark Zhang /* 5105c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 5106c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 5107c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 5108c16339b6SMark Zhang * accepted as 0 to 9 5109c16339b6SMark Zhang */ 5110c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 5111c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 5112ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 5113ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 5114ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 5115ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 5116c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 5117c16339b6SMark Zhang fw_map[rwq->log_num_strides - 5118c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 5119ccc87087SNoa Osherovich } 512079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 512179b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 512279b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 512379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 512479b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 512579b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 51264be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 5127b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 51284be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5129b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 5130b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5131b1f74a84SNoa Osherovich goto out; 5132b1f74a84SNoa Osherovich } 5133b1f74a84SNoa Osherovich } else { 5134b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 5135b1f74a84SNoa Osherovich } 51364be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 51374be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 51384be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 51394be6da1eSNoa Osherovich err = -EOPNOTSUPP; 51404be6da1eSNoa Osherovich goto out; 51414be6da1eSNoa Osherovich } 51424be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 51434be6da1eSNoa Osherovich } 514403404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 514503404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 514603404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 514703404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 514803404e8aSMaor Gottlieb err = -EOPNOTSUPP; 514903404e8aSMaor Gottlieb goto out; 515003404e8aSMaor Gottlieb } 515103404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 515203404e8aSMaor Gottlieb } 515379b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 5154aab8d396SJason Gunthorpe mlx5_ib_populate_pas(rwq->umem, 1UL << rwq->page_shift, rq_pas0, 0); 5155333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 515603404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 515703404e8aSMaor Gottlieb err = set_delay_drop(dev); 515803404e8aSMaor Gottlieb if (err) { 515903404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 516003404e8aSMaor Gottlieb err); 5161333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 516203404e8aSMaor Gottlieb } else { 516303404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 516403404e8aSMaor Gottlieb } 516503404e8aSMaor Gottlieb } 5166b1f74a84SNoa Osherovich out: 516779b20a6cSYishai Hadas kvfree(in); 516879b20a6cSYishai Hadas return err; 516979b20a6cSYishai Hadas } 517079b20a6cSYishai Hadas 517179b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 517279b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 517379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 517479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 517579b20a6cSYishai Hadas { 517679b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 517779b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 517879b20a6cSYishai Hadas return -EINVAL; 517979b20a6cSYishai Hadas 518079b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 518179b20a6cSYishai Hadas return -EINVAL; 518279b20a6cSYishai Hadas 518379b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 518479b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 51850dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 51860dfe4522SLeon Romanovsky return -EINVAL; 51870dfe4522SLeon Romanovsky 518879b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 518979b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 519079b20a6cSYishai Hadas return 0; 519179b20a6cSYishai Hadas } 519279b20a6cSYishai Hadas 5193c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 5194c16339b6SMark Zhang { 5195c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5196c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 5197c16339b6SMark Zhang return false; 5198c16339b6SMark Zhang 5199c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 5200c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 5201c16339b6SMark Zhang return false; 5202c16339b6SMark Zhang 5203c16339b6SMark Zhang return true; 5204c16339b6SMark Zhang } 5205c16339b6SMark Zhang 520679b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 520779b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 520879b20a6cSYishai Hadas struct ib_udata *udata, 520979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 521079b20a6cSYishai Hadas { 521179b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 521279b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 521379b20a6cSYishai Hadas int err; 521479b20a6cSYishai Hadas size_t required_cmd_sz; 521579b20a6cSYishai Hadas 521670c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_create_wq, 521770c1430fSLeon Romanovsky single_stride_log_num_of_bytes); 521879b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 521979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 522079b20a6cSYishai Hadas return -EINVAL; 522179b20a6cSYishai Hadas } 522279b20a6cSYishai Hadas 522379b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 522479b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 522579b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 522679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 522779b20a6cSYishai Hadas return -EOPNOTSUPP; 522879b20a6cSYishai Hadas } 522979b20a6cSYishai Hadas 523079b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 523179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 523279b20a6cSYishai Hadas return -EFAULT; 523379b20a6cSYishai Hadas } 523479b20a6cSYishai Hadas 5235ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 523679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 523779b20a6cSYishai Hadas return -EOPNOTSUPP; 5238ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5239ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5240ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 524179b20a6cSYishai Hadas return -EOPNOTSUPP; 524279b20a6cSYishai Hadas } 5243ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5244ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5245ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5246ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5247ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5248ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5249ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5250ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5251ccc87087SNoa Osherovich return -EINVAL; 5252ccc87087SNoa Osherovich } 5253c16339b6SMark Zhang if (!log_of_strides_valid(dev, 5254c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 5255c16339b6SMark Zhang mlx5_ib_dbg( 5256c16339b6SMark Zhang dev, 5257c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 5258ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5259c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 5260c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 5261ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5262ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5263ccc87087SNoa Osherovich return -EINVAL; 5264ccc87087SNoa Osherovich } 5265ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5266ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5267ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5268ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5269ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5270ccc87087SNoa Osherovich } 527179b20a6cSYishai Hadas 527279b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 527379b20a6cSYishai Hadas if (err) { 527479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 527579b20a6cSYishai Hadas return err; 527679b20a6cSYishai Hadas } 527779b20a6cSYishai Hadas 5278b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 527979b20a6cSYishai Hadas if (err) { 528079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 528179b20a6cSYishai Hadas return err; 528279b20a6cSYishai Hadas } 528379b20a6cSYishai Hadas 528479b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 528579b20a6cSYishai Hadas return 0; 528679b20a6cSYishai Hadas } 528779b20a6cSYishai Hadas 528879b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 528979b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 529079b20a6cSYishai Hadas struct ib_udata *udata) 529179b20a6cSYishai Hadas { 529279b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 529379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 529479b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 529579b20a6cSYishai Hadas size_t min_resp_len; 529679b20a6cSYishai Hadas int err; 529779b20a6cSYishai Hadas 529879b20a6cSYishai Hadas if (!udata) 529979b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 530079b20a6cSYishai Hadas 530170c1430fSLeon Romanovsky min_resp_len = offsetofend(struct mlx5_ib_create_wq_resp, reserved); 530279b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 530379b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 530479b20a6cSYishai Hadas 5305ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 5306ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 5307ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 5308ba80013fSMaor Gottlieb 530979b20a6cSYishai Hadas dev = to_mdev(pd->device); 531079b20a6cSYishai Hadas switch (init_attr->wq_type) { 531179b20a6cSYishai Hadas case IB_WQT_RQ: 531279b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 531379b20a6cSYishai Hadas if (!rwq) 531479b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 531579b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 531679b20a6cSYishai Hadas if (err) 531779b20a6cSYishai Hadas goto err; 531879b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 531979b20a6cSYishai Hadas if (err) 532079b20a6cSYishai Hadas goto err_user_rq; 532179b20a6cSYishai Hadas break; 532279b20a6cSYishai Hadas default: 532379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 532479b20a6cSYishai Hadas init_attr->wq_type); 532579b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 532679b20a6cSYishai Hadas } 532779b20a6cSYishai Hadas 5328350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 532979b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 533079b20a6cSYishai Hadas if (udata->outlen) { 533170c1430fSLeon Romanovsky resp.response_length = offsetofend( 533270c1430fSLeon Romanovsky struct mlx5_ib_create_wq_resp, response_length); 533379b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 533479b20a6cSYishai Hadas if (err) 533579b20a6cSYishai Hadas goto err_copy; 533679b20a6cSYishai Hadas } 533779b20a6cSYishai Hadas 5338350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5339350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 534079b20a6cSYishai Hadas return &rwq->ibwq; 534179b20a6cSYishai Hadas 534279b20a6cSYishai Hadas err_copy: 5343333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 534479b20a6cSYishai Hadas err_user_rq: 5345bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 534679b20a6cSYishai Hadas err: 534779b20a6cSYishai Hadas kfree(rwq); 534879b20a6cSYishai Hadas return ERR_PTR(err); 534979b20a6cSYishai Hadas } 535079b20a6cSYishai Hadas 5351add53535SLeon Romanovsky int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 535279b20a6cSYishai Hadas { 535379b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 535479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 5355add53535SLeon Romanovsky int ret; 535679b20a6cSYishai Hadas 5357add53535SLeon Romanovsky ret = mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 5358add53535SLeon Romanovsky if (ret) 5359add53535SLeon Romanovsky return ret; 5360bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 536179b20a6cSYishai Hadas kfree(rwq); 5362add53535SLeon Romanovsky return 0; 536379b20a6cSYishai Hadas } 536479b20a6cSYishai Hadas 5365c0a6b5ecSLeon Romanovsky int mlx5_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table, 5366c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5367c5f90929SYishai Hadas struct ib_udata *udata) 5368c5f90929SYishai Hadas { 5369c0a6b5ecSLeon Romanovsky struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = 5370c0a6b5ecSLeon Romanovsky to_mrwq_ind_table(ib_rwq_ind_table); 5371c0a6b5ecSLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_table->device); 5372c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5373c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5374c5f90929SYishai Hadas size_t min_resp_len; 5375c5f90929SYishai Hadas int inlen; 5376c5f90929SYishai Hadas int err; 5377c5f90929SYishai Hadas int i; 5378c5f90929SYishai Hadas u32 *in; 5379c5f90929SYishai Hadas void *rqtc; 5380c5f90929SYishai Hadas 5381c5f90929SYishai Hadas if (udata->inlen > 0 && 5382c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5383c5f90929SYishai Hadas udata->inlen)) 5384c0a6b5ecSLeon Romanovsky return -EOPNOTSUPP; 5385c5f90929SYishai Hadas 5386efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5387efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5388efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5389efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5390efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5391c0a6b5ecSLeon Romanovsky return -EINVAL; 5392efd7f400SMaor Gottlieb } 5393efd7f400SMaor Gottlieb 539470c1430fSLeon Romanovsky min_resp_len = 539570c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, reserved); 5396c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5397c0a6b5ecSLeon Romanovsky return -EINVAL; 5398c5f90929SYishai Hadas 5399c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 54001b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5401c0a6b5ecSLeon Romanovsky if (!in) 5402c0a6b5ecSLeon Romanovsky return -ENOMEM; 5403c5f90929SYishai Hadas 5404c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5405c5f90929SYishai Hadas 5406c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5407c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5408c5f90929SYishai Hadas 5409c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5410c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5411c5f90929SYishai Hadas 54125deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 54135deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 54145deba86eSYishai Hadas 5415c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5416c5f90929SYishai Hadas kvfree(in); 5417c5f90929SYishai Hadas if (err) 5418c0a6b5ecSLeon Romanovsky return err; 5419c5f90929SYishai Hadas 5420c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5421c5f90929SYishai Hadas if (udata->outlen) { 542270c1430fSLeon Romanovsky resp.response_length = 542370c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, 542470c1430fSLeon Romanovsky response_length); 5425c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5426c5f90929SYishai Hadas if (err) 5427c5f90929SYishai Hadas goto err_copy; 5428c5f90929SYishai Hadas } 5429c5f90929SYishai Hadas 5430c0a6b5ecSLeon Romanovsky return 0; 5431c5f90929SYishai Hadas 5432c5f90929SYishai Hadas err_copy: 54335deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5434c0a6b5ecSLeon Romanovsky return err; 5435c5f90929SYishai Hadas } 5436c5f90929SYishai Hadas 5437c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5438c5f90929SYishai Hadas { 5439c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5440c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5441c5f90929SYishai Hadas 5442c0a6b5ecSLeon Romanovsky return mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5443c5f90929SYishai Hadas } 5444c5f90929SYishai Hadas 544579b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 544679b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 544779b20a6cSYishai Hadas { 544879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 544979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 545079b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 545179b20a6cSYishai Hadas size_t required_cmd_sz; 545279b20a6cSYishai Hadas int curr_wq_state; 545379b20a6cSYishai Hadas int wq_state; 545479b20a6cSYishai Hadas int inlen; 545579b20a6cSYishai Hadas int err; 545679b20a6cSYishai Hadas void *rqc; 545779b20a6cSYishai Hadas void *in; 545879b20a6cSYishai Hadas 545970c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_modify_wq, reserved); 546079b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 546179b20a6cSYishai Hadas return -EINVAL; 546279b20a6cSYishai Hadas 546379b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 546479b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 546579b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 546679b20a6cSYishai Hadas return -EOPNOTSUPP; 546779b20a6cSYishai Hadas 546879b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 546979b20a6cSYishai Hadas return -EFAULT; 547079b20a6cSYishai Hadas 547179b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 547279b20a6cSYishai Hadas return -EOPNOTSUPP; 547379b20a6cSYishai Hadas 547479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 54751b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 547679b20a6cSYishai Hadas if (!in) 547779b20a6cSYishai Hadas return -ENOMEM; 547879b20a6cSYishai Hadas 547979b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 548079b20a6cSYishai Hadas 5481f9744288SLeon Romanovsky curr_wq_state = wq_attr->curr_wq_state; 5482f9744288SLeon Romanovsky wq_state = wq_attr->wq_state; 548379b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 548479b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 548579b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 548679b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 548779b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 548834d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 548979b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 549079b20a6cSYishai Hadas 5491b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5492b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5493b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5494b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5495b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5496b1f74a84SNoa Osherovich "supported\n"); 5497b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5498b1f74a84SNoa Osherovich goto out; 5499b1f74a84SNoa Osherovich } 5500b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5501b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5502b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5503b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5504b1f74a84SNoa Osherovich } 5505b1383aa6SNoa Osherovich 5506b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5507b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5508b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5509b1383aa6SNoa Osherovich goto out; 5510b1383aa6SNoa Osherovich } 5511b1f74a84SNoa Osherovich } 5512b1f74a84SNoa Osherovich 551323a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 55143e1f000fSParav Pandit u16 set_id; 55153e1f000fSParav Pandit 55163e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 551723a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 551823a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 551923a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 55203e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 552123a6964eSMajd Dibbiny } else 55225a738b5dSJason Gunthorpe dev_info_once( 55235a738b5dSJason Gunthorpe &dev->ib_dev.dev, 55245a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 552523a6964eSMajd Dibbiny } 552623a6964eSMajd Dibbiny 5527e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 552879b20a6cSYishai Hadas if (!err) 552979b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 553079b20a6cSYishai Hadas 5531b1f74a84SNoa Osherovich out: 5532b1f74a84SNoa Osherovich kvfree(in); 553379b20a6cSYishai Hadas return err; 553479b20a6cSYishai Hadas } 5535d0e84c0aSYishai Hadas 5536d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 5537d0e84c0aSYishai Hadas struct ib_cqe cqe; 5538d0e84c0aSYishai Hadas struct completion done; 5539d0e84c0aSYishai Hadas }; 5540d0e84c0aSYishai Hadas 5541d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 5542d0e84c0aSYishai Hadas { 5543d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 5544d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 5545d0e84c0aSYishai Hadas cqe); 5546d0e84c0aSYishai Hadas 5547d0e84c0aSYishai Hadas complete(&cqe->done); 5548d0e84c0aSYishai Hadas } 5549d0e84c0aSYishai Hadas 5550d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 5551d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 5552d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 5553d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 5554d0e84c0aSYishai Hadas { 5555d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5556d0e84c0aSYishai Hadas 5557d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 5558d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 5559d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 5560d0e84c0aSYishai Hadas return; 5561d0e84c0aSYishai Hadas } 5562d0e84c0aSYishai Hadas 5563d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5564d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 5565d0e84c0aSYishai Hadas bool triggered = false; 5566d0e84c0aSYishai Hadas unsigned long flags; 5567d0e84c0aSYishai Hadas 5568d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 5569d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 5570d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 5571d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 5572d0e84c0aSYishai Hadas else 5573d0e84c0aSYishai Hadas triggered = true; 5574d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 5575d0e84c0aSYishai Hadas 5576d0e84c0aSYishai Hadas if (triggered) { 5577d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 5578d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 5579d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 5580d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 5581d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 5582d0e84c0aSYishai Hadas break; 5583d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 5584d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 5585d0e84c0aSYishai Hadas break; 5586d0e84c0aSYishai Hadas default: 5587d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 5588d0e84c0aSYishai Hadas } 5589d0e84c0aSYishai Hadas } 5590d0e84c0aSYishai Hadas 5591d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 5592d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 5593d0e84c0aSYishai Hadas */ 55944e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 5595d0e84c0aSYishai Hadas } 5596d0e84c0aSYishai Hadas 5597d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 5598d0e84c0aSYishai Hadas } 5599d0e84c0aSYishai Hadas 5600d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 5601d0e84c0aSYishai Hadas { 5602d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 5603d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5604d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 5605d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 5606d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 5607d0e84c0aSYishai Hadas .wr = { 5608d0e84c0aSYishai Hadas .next = NULL, 5609d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 5610d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 5611d0e84c0aSYishai Hadas }, 5612d0e84c0aSYishai Hadas }; 5613d0e84c0aSYishai Hadas int ret; 5614d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5615d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5616d0e84c0aSYishai Hadas 5617d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5618d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5619d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5620d0e84c0aSYishai Hadas return; 5621d0e84c0aSYishai Hadas } 5622d0e84c0aSYishai Hadas 5623d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 5624d0e84c0aSYishai Hadas init_completion(&sdrain.done); 5625d0e84c0aSYishai Hadas 5626029e88fdSLeon Romanovsky ret = mlx5_ib_post_send_drain(qp, &swr.wr, &bad_swr); 5627d0e84c0aSYishai Hadas if (ret) { 5628d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5629d0e84c0aSYishai Hadas return; 5630d0e84c0aSYishai Hadas } 5631d0e84c0aSYishai Hadas 5632d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 5633d0e84c0aSYishai Hadas } 5634d0e84c0aSYishai Hadas 5635d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 5636d0e84c0aSYishai Hadas { 5637d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 5638d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5639d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 5640d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 5641d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 5642d0e84c0aSYishai Hadas int ret; 5643d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5644d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5645d0e84c0aSYishai Hadas 5646d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5647d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5648d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5649d0e84c0aSYishai Hadas return; 5650d0e84c0aSYishai Hadas } 5651d0e84c0aSYishai Hadas 5652d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 5653d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 5654d0e84c0aSYishai Hadas init_completion(&rdrain.done); 5655d0e84c0aSYishai Hadas 5656029e88fdSLeon Romanovsky ret = mlx5_ib_post_recv_drain(qp, &rwr, &bad_rwr); 5657d0e84c0aSYishai Hadas if (ret) { 5658d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5659d0e84c0aSYishai Hadas return; 5660d0e84c0aSYishai Hadas } 5661d0e84c0aSYishai Hadas 5662d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 5663d0e84c0aSYishai Hadas } 5664d14133ddSMark Zhang 566530cd9fc5SLee Jones /* 5666d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 5667d14133ddSMark Zhang * the default counter 5668d14133ddSMark Zhang */ 5669d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 5670d14133ddSMark Zhang { 567110189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 5672d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 5673d14133ddSMark Zhang int err = 0; 5674d14133ddSMark Zhang 5675d14133ddSMark Zhang mutex_lock(&mqp->mutex); 5676d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 5677d14133ddSMark Zhang qp->counter = counter; 5678d14133ddSMark Zhang goto out; 5679d14133ddSMark Zhang } 5680d14133ddSMark Zhang 568110189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 568210189e8eSMark Zhang err = -EOPNOTSUPP; 568310189e8eSMark Zhang goto out; 568410189e8eSMark Zhang } 568510189e8eSMark Zhang 5686d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 5687d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 5688d14133ddSMark Zhang if (!err) 5689d14133ddSMark Zhang qp->counter = counter; 5690d14133ddSMark Zhang 5691d14133ddSMark Zhang goto out; 5692d14133ddSMark Zhang } 5693d14133ddSMark Zhang 5694d14133ddSMark Zhang mqp->counter_pending = 1; 5695d14133ddSMark Zhang qp->counter = counter; 5696d14133ddSMark Zhang 5697d14133ddSMark Zhang out: 5698d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 5699d14133ddSMark Zhang return err; 5700d14133ddSMark Zhang } 5701