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; 70d5ed8ac3SMark Bloch u16 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); 419e126ba97SEli Cohen /* fall through */ 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); 444f0313965SErez Shitrit /* fall through */ 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 781b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 78219098df2Smajd@mellanox.com unsigned long addr, size_t size, 783b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 784b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 78519098df2Smajd@mellanox.com { 78619098df2Smajd@mellanox.com int err; 78719098df2Smajd@mellanox.com 788c320e527SMoni Shoua *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); 78919098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 79019098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 79119098df2Smajd@mellanox.com return PTR_ERR(*umem); 79219098df2Smajd@mellanox.com } 79319098df2Smajd@mellanox.com 794762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 79519098df2Smajd@mellanox.com 79619098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 79719098df2Smajd@mellanox.com if (err) { 79819098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 79919098df2Smajd@mellanox.com goto err_umem; 80019098df2Smajd@mellanox.com } 80119098df2Smajd@mellanox.com 80219098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 80319098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 80419098df2Smajd@mellanox.com 80519098df2Smajd@mellanox.com return 0; 80619098df2Smajd@mellanox.com 80719098df2Smajd@mellanox.com err_umem: 80819098df2Smajd@mellanox.com ib_umem_release(*umem); 80919098df2Smajd@mellanox.com *umem = NULL; 81019098df2Smajd@mellanox.com 81119098df2Smajd@mellanox.com return err; 81219098df2Smajd@mellanox.com } 81319098df2Smajd@mellanox.com 814fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 815bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 81679b20a6cSYishai Hadas { 817bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 818bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 819bdeacabdSShamir Rabinovitch udata, 820bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 821bdeacabdSShamir Rabinovitch ibucontext); 82279b20a6cSYishai Hadas 823fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 824fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 825fe248c3aSMaor Gottlieb 82679b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 82779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 82879b20a6cSYishai Hadas } 82979b20a6cSYishai Hadas 83079b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 831b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 83279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 83379b20a6cSYishai Hadas { 83489944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 83589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 83679b20a6cSYishai Hadas int page_shift = 0; 83779b20a6cSYishai Hadas int npages; 83879b20a6cSYishai Hadas u32 offset = 0; 83979b20a6cSYishai Hadas int ncont = 0; 84079b20a6cSYishai Hadas int err; 84179b20a6cSYishai Hadas 84279b20a6cSYishai Hadas if (!ucmd->buf_addr) 84379b20a6cSYishai Hadas return -EINVAL; 84479b20a6cSYishai Hadas 845c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 84679b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 84779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 84879b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 84979b20a6cSYishai Hadas return err; 85079b20a6cSYishai Hadas } 85179b20a6cSYishai Hadas 852762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 85379b20a6cSYishai Hadas &ncont, NULL); 85479b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 85579b20a6cSYishai Hadas &rwq->rq_page_offset); 85679b20a6cSYishai Hadas if (err) { 85779b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 85879b20a6cSYishai Hadas goto err_umem; 85979b20a6cSYishai Hadas } 86079b20a6cSYishai Hadas 86179b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 86279b20a6cSYishai Hadas rwq->page_shift = page_shift; 86379b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 86479b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 86579b20a6cSYishai Hadas 86679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 86779b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 86879b20a6cSYishai Hadas npages, page_shift, ncont, offset); 86979b20a6cSYishai Hadas 87089944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 87179b20a6cSYishai Hadas if (err) { 87279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 87379b20a6cSYishai Hadas goto err_umem; 87479b20a6cSYishai Hadas } 87579b20a6cSYishai Hadas 87679b20a6cSYishai Hadas return 0; 87779b20a6cSYishai Hadas 87879b20a6cSYishai Hadas err_umem: 87979b20a6cSYishai Hadas ib_umem_release(rwq->umem); 88079b20a6cSYishai Hadas return err; 88179b20a6cSYishai Hadas } 88279b20a6cSYishai Hadas 883b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 884b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 885b037c29aSEli Cohen { 886b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 887b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 888b037c29aSEli Cohen } 889b037c29aSEli Cohen 89098fc1126SLeon Romanovsky static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 891e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 89276883a6cSLeon Romanovsky struct ib_qp_init_attr *attr, u32 **in, 89319098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 89476883a6cSLeon Romanovsky struct mlx5_ib_qp_base *base, 89576883a6cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 896e126ba97SEli Cohen { 897e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 89819098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 8999e9c47d0SEli Cohen int page_shift = 0; 9001ee47ab3SYishai Hadas int uar_index = 0; 901e126ba97SEli Cohen int npages; 9029e9c47d0SEli Cohen u32 offset = 0; 9032f5ff264SEli Cohen int bfregn; 9049e9c47d0SEli Cohen int ncont = 0; 90509a7d9ecSSaeed Mahameed __be64 *pas; 90609a7d9ecSSaeed Mahameed void *qpc; 907e126ba97SEli Cohen int err; 9085aa3771dSYishai Hadas u16 uid; 909ac42a5eeSYishai Hadas u32 uar_flags; 910e126ba97SEli Cohen 91189944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 91289944450SShamir Rabinovitch ibucontext); 91376883a6cSLeon Romanovsky uar_flags = qp->flags_en & 91476883a6cSLeon Romanovsky (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); 915ac42a5eeSYishai Hadas switch (uar_flags) { 916ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 91776883a6cSLeon Romanovsky uar_index = ucmd->bfreg_index; 918ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 919ac42a5eeSYishai Hadas break; 920ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 9211ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 92276883a6cSLeon Romanovsky ucmd->bfreg_index, true); 9231ee47ab3SYishai Hadas if (uar_index < 0) 9241ee47ab3SYishai Hadas return uar_index; 9251ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 926ac42a5eeSYishai Hadas break; 927ac42a5eeSYishai Hadas case 0: 9282be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 929ac42a5eeSYishai Hadas return -EINVAL; 930ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 931ffaf58deSLeon Romanovsky if (bfregn < 0) 9322f5ff264SEli Cohen return bfregn; 933ac42a5eeSYishai Hadas break; 934ac42a5eeSYishai Hadas default: 935ac42a5eeSYishai Hadas return -EINVAL; 936e126ba97SEli Cohen } 937e126ba97SEli Cohen 9382f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9391ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9401ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9411ee47ab3SYishai Hadas false); 942e126ba97SEli Cohen 94348fea837SHaggai Eran qp->rq.offset = 0; 94448fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 94548fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 94648fea837SHaggai Eran 94776883a6cSLeon Romanovsky err = set_user_buf_size(dev, qp, ucmd, base, attr); 948e126ba97SEli Cohen if (err) 9492f5ff264SEli Cohen goto err_bfreg; 950e126ba97SEli Cohen 95176883a6cSLeon Romanovsky if (ucmd->buf_addr && ubuffer->buf_size) { 95276883a6cSLeon Romanovsky ubuffer->buf_addr = ucmd->buf_addr; 953b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 954b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 955b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 95619098df2Smajd@mellanox.com if (err) 9572f5ff264SEli Cohen goto err_bfreg; 9589e9c47d0SEli Cohen } else { 95919098df2Smajd@mellanox.com ubuffer->umem = NULL; 9609e9c47d0SEli Cohen } 961e126ba97SEli Cohen 96209a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 96309a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9641b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 965e126ba97SEli Cohen if (!*in) { 966e126ba97SEli Cohen err = -ENOMEM; 967e126ba97SEli Cohen goto err_umem; 968e126ba97SEli Cohen } 969e126ba97SEli Cohen 97004bcc1c2SLeon Romanovsky uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9715aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 97209a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 97309a7d9ecSSaeed Mahameed if (ubuffer->umem) 97409a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 97509a7d9ecSSaeed Mahameed 97609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 97709a7d9ecSSaeed Mahameed 97809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 97909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 98009a7d9ecSSaeed Mahameed 98109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9821ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 983b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9841ee47ab3SYishai Hadas else 9851ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9862f5ff264SEli Cohen qp->bfregn = bfregn; 987e126ba97SEli Cohen 98876883a6cSLeon Romanovsky err = mlx5_ib_db_map_user(context, udata, ucmd->db_addr, &qp->db); 989e126ba97SEli Cohen if (err) { 990e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 991e126ba97SEli Cohen goto err_free; 992e126ba97SEli Cohen } 993e126ba97SEli Cohen 994e126ba97SEli Cohen return 0; 995e126ba97SEli Cohen 996e126ba97SEli Cohen err_free: 997479163f4SAl Viro kvfree(*in); 998e126ba97SEli Cohen 999e126ba97SEli Cohen err_umem: 100019098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 1001e126ba97SEli Cohen 10022f5ff264SEli Cohen err_bfreg: 10031ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 10044ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 1005e126ba97SEli Cohen return err; 1006e126ba97SEli Cohen } 1007e126ba97SEli Cohen 1008747c519cSLeon Romanovsky static void destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1009747c519cSLeon Romanovsky struct mlx5_ib_qp_base *base, struct ib_udata *udata) 1010e126ba97SEli Cohen { 1011747c519cSLeon Romanovsky struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( 1012747c519cSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 1013e126ba97SEli Cohen 1014747c519cSLeon Romanovsky if (udata) { 1015747c519cSLeon Romanovsky /* User QP */ 1016e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 101719098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10181ee47ab3SYishai Hadas 10191ee47ab3SYishai Hadas /* 10201ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10211ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10221ee47ab3SYishai Hadas */ 10231ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10244ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1025747c519cSLeon Romanovsky return; 1026747c519cSLeon Romanovsky } 1027747c519cSLeon Romanovsky 1028747c519cSLeon Romanovsky /* Kernel QP */ 1029747c519cSLeon Romanovsky kvfree(qp->sq.wqe_head); 1030747c519cSLeon Romanovsky kvfree(qp->sq.w_list); 1031747c519cSLeon Romanovsky kvfree(qp->sq.wrid); 1032747c519cSLeon Romanovsky kvfree(qp->sq.wr_data); 1033747c519cSLeon Romanovsky kvfree(qp->rq.wrid); 1034747c519cSLeon Romanovsky if (qp->db.db) 1035747c519cSLeon Romanovsky mlx5_db_free(dev->mdev, &qp->db); 1036747c519cSLeon Romanovsky if (qp->buf.frags) 1037747c519cSLeon Romanovsky mlx5_frag_buf_free(dev->mdev, &qp->buf); 1038e126ba97SEli Cohen } 1039e126ba97SEli Cohen 104098fc1126SLeon Romanovsky static int _create_kernel_qp(struct mlx5_ib_dev *dev, 1041e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 104298fc1126SLeon Romanovsky struct mlx5_ib_qp *qp, u32 **in, int *inlen, 104319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1044e126ba97SEli Cohen { 1045e126ba97SEli Cohen int uar_index; 104609a7d9ecSSaeed Mahameed void *qpc; 1047e126ba97SEli Cohen int err; 1048e126ba97SEli Cohen 1049e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10505fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 10512978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 105211f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 10535fe9dec0SEli Cohen else 10545fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1055e126ba97SEli Cohen 1056d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1057d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1058d8030b0dSEli Cohen */ 1059d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10605fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1061e126ba97SEli Cohen 1062e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1063e126ba97SEli Cohen if (err < 0) { 1064e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10655fe9dec0SEli Cohen return err; 1066e126ba97SEli Cohen } 1067e126ba97SEli Cohen 1068e126ba97SEli Cohen qp->rq.offset = 0; 1069e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 107019098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1071e126ba97SEli Cohen 107234f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 107334f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1074e126ba97SEli Cohen if (err) { 1075e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10765fe9dec0SEli Cohen return err; 1077e126ba97SEli Cohen } 1078e126ba97SEli Cohen 107934f4c955SGuy Levi if (qp->rq.wqe_cnt) 108034f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 108134f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 108234f4c955SGuy Levi 108334f4c955SGuy Levi if (qp->sq.wqe_cnt) { 108434f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 108534f4c955SGuy Levi MLX5_SEND_WQE_BB; 108634f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 108734f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 108834f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 108934f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 109034f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 109134f4c955SGuy Levi 109234f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 109334f4c955SGuy Levi } 109434f4c955SGuy Levi 109509a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 109609a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10971b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1098e126ba97SEli Cohen if (!*in) { 1099e126ba97SEli Cohen err = -ENOMEM; 1100e126ba97SEli Cohen goto err_buf; 1101e126ba97SEli Cohen } 110209a7d9ecSSaeed Mahameed 110309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 110409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 110509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 110609a7d9ecSSaeed Mahameed 1107e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 110809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 110909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1110e126ba97SEli Cohen 11112978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 111209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1113b11a4f9cSHaggai Eran 111434f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 111534f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 111634f4c955SGuy Levi *in, pas)); 1117e126ba97SEli Cohen 11189603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1119e126ba97SEli Cohen if (err) { 1120e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1121e126ba97SEli Cohen goto err_free; 1122e126ba97SEli Cohen } 1123e126ba97SEli Cohen 1124b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1125b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1126b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1127b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1128b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1129b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1130b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1131b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1132b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1133b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1134e126ba97SEli Cohen 1135e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1136e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1137e126ba97SEli Cohen err = -ENOMEM; 1138e126ba97SEli Cohen goto err_wrid; 1139e126ba97SEli Cohen } 1140e126ba97SEli Cohen 1141e126ba97SEli Cohen return 0; 1142e126ba97SEli Cohen 1143e126ba97SEli Cohen err_wrid: 1144b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1145b5883008SLi Dongyang kvfree(qp->sq.w_list); 1146b5883008SLi Dongyang kvfree(qp->sq.wrid); 1147b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1148b5883008SLi Dongyang kvfree(qp->rq.wrid); 1149f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1150e126ba97SEli Cohen 1151e126ba97SEli Cohen err_free: 1152479163f4SAl Viro kvfree(*in); 1153e126ba97SEli Cohen 1154e126ba97SEli Cohen err_buf: 115534f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1156e126ba97SEli Cohen return err; 1157e126ba97SEli Cohen } 1158e126ba97SEli Cohen 115909a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1160e126ba97SEli Cohen { 11617aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11627aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 116309a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1164e126ba97SEli Cohen else if (!qp->has_rq) 116509a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11667aede1a2SLeon Romanovsky 116709a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1168e126ba97SEli Cohen } 1169e126ba97SEli Cohen 11700fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1171c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11721cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11731cd6dbd3SYishai Hadas struct ib_pd *pd) 11740fb2ed66Smajd@mellanox.com { 1175e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11760fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11770fb2ed66Smajd@mellanox.com 11781cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11790fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11802be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1181c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1182c2e53b2cSYishai Hadas 1183e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11840fb2ed66Smajd@mellanox.com } 11850fb2ed66Smajd@mellanox.com 11860fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11871cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11880fb2ed66Smajd@mellanox.com { 11891cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11900fb2ed66Smajd@mellanox.com } 11910fb2ed66Smajd@mellanox.com 1192d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1193b96c9ddeSMark Bloch { 1194b96c9ddeSMark Bloch if (sq->flow_rule) 1195b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1196d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1197b96c9ddeSMark Bloch } 1198b96c9ddeSMark Bloch 11990fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1200b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12010fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12020fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12030fb2ed66Smajd@mellanox.com { 12040fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12050fb2ed66Smajd@mellanox.com __be64 *pas; 12060fb2ed66Smajd@mellanox.com void *in; 12070fb2ed66Smajd@mellanox.com void *sqc; 12080fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12090fb2ed66Smajd@mellanox.com void *wq; 12100fb2ed66Smajd@mellanox.com int inlen; 12110fb2ed66Smajd@mellanox.com int err; 12120fb2ed66Smajd@mellanox.com int page_shift = 0; 12130fb2ed66Smajd@mellanox.com int npages; 12140fb2ed66Smajd@mellanox.com int ncont = 0; 12150fb2ed66Smajd@mellanox.com u32 offset = 0; 12160fb2ed66Smajd@mellanox.com 1217b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1218b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1219b0ea0fa5SJason Gunthorpe &offset); 12200fb2ed66Smajd@mellanox.com if (err) 12210fb2ed66Smajd@mellanox.com return err; 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12241b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12250fb2ed66Smajd@mellanox.com if (!in) { 12260fb2ed66Smajd@mellanox.com err = -ENOMEM; 12270fb2ed66Smajd@mellanox.com goto err_umem; 12280fb2ed66Smajd@mellanox.com } 12290fb2ed66Smajd@mellanox.com 1230c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12310fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12320fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1233795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1234795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12350fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12360fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12370fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12380fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12390fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 124096dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 124196dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 124296dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12430fb2ed66Smajd@mellanox.com 12440fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12450fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12460fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12470fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12480fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12490fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12500fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 12510fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 12520fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 12530fb2ed66Smajd@mellanox.com 12540fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12550fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 12560fb2ed66Smajd@mellanox.com 1257333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 12580fb2ed66Smajd@mellanox.com 12590fb2ed66Smajd@mellanox.com kvfree(in); 12600fb2ed66Smajd@mellanox.com 12610fb2ed66Smajd@mellanox.com if (err) 12620fb2ed66Smajd@mellanox.com goto err_umem; 12630fb2ed66Smajd@mellanox.com 12640fb2ed66Smajd@mellanox.com return 0; 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com err_umem: 12670fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12680fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 12690fb2ed66Smajd@mellanox.com 12700fb2ed66Smajd@mellanox.com return err; 12710fb2ed66Smajd@mellanox.com } 12720fb2ed66Smajd@mellanox.com 12730fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12740fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 12750fb2ed66Smajd@mellanox.com { 1276d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1277333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 12780fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12790fb2ed66Smajd@mellanox.com } 12800fb2ed66Smajd@mellanox.com 12812c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 12820fb2ed66Smajd@mellanox.com { 12830fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 12840fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 12850fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 12860fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 12870fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 12880fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 12890fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 12900fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 12910fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 12920fb2ed66Smajd@mellanox.com 12930fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 12940fb2ed66Smajd@mellanox.com } 12950fb2ed66Smajd@mellanox.com 12960fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12972c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 129834d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 12990fb2ed66Smajd@mellanox.com { 1300358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13010fb2ed66Smajd@mellanox.com __be64 *pas; 13020fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13030fb2ed66Smajd@mellanox.com void *in; 13040fb2ed66Smajd@mellanox.com void *rqc; 13050fb2ed66Smajd@mellanox.com void *wq; 13060fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13072c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13082c292dbbSBoris Pismenny size_t inlen; 13090fb2ed66Smajd@mellanox.com int err; 13102c292dbbSBoris Pismenny 13112c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13122c292dbbSBoris Pismenny return -EINVAL; 13130fb2ed66Smajd@mellanox.com 13140fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13151b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13160fb2ed66Smajd@mellanox.com if (!in) 13170fb2ed66Smajd@mellanox.com return -ENOMEM; 13180fb2ed66Smajd@mellanox.com 131934d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13200fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1321e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13220fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13230fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13240fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13250fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13260fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13270fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13280fb2ed66Smajd@mellanox.com 13292be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1330358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1331358e42eaSMajd Dibbiny 13320fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13330fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1334b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1335b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13360fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 13370fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13380fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13390fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13400fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 13410fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13420fb2ed66Smajd@mellanox.com 13430fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13440fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 13450fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 13460fb2ed66Smajd@mellanox.com 1347333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 13480fb2ed66Smajd@mellanox.com 13490fb2ed66Smajd@mellanox.com kvfree(in); 13500fb2ed66Smajd@mellanox.com 13510fb2ed66Smajd@mellanox.com return err; 13520fb2ed66Smajd@mellanox.com } 13530fb2ed66Smajd@mellanox.com 13540fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13550fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13560fb2ed66Smajd@mellanox.com { 1357333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 13580fb2ed66Smajd@mellanox.com } 13590fb2ed66Smajd@mellanox.com 13600042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 13610042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1362443c1cf9SYishai Hadas u32 qp_flags_en, 1363443c1cf9SYishai Hadas struct ib_pd *pd) 13640042f9e4SMark Bloch { 13650042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13660042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13670042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1368443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 13690042f9e4SMark Bloch } 13700042f9e4SMark Bloch 13710fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1372f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1373e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1374e0b4b472SLeon Romanovsky u32 *out) 13750fb2ed66Smajd@mellanox.com { 1376175edba8SMark Bloch u8 lb_flag = 0; 13770fb2ed66Smajd@mellanox.com u32 *in; 13780fb2ed66Smajd@mellanox.com void *tirc; 13790fb2ed66Smajd@mellanox.com int inlen; 13800fb2ed66Smajd@mellanox.com int err; 13810fb2ed66Smajd@mellanox.com 13820fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 13831b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13840fb2ed66Smajd@mellanox.com if (!in) 13850fb2ed66Smajd@mellanox.com return -ENOMEM; 13860fb2ed66Smajd@mellanox.com 1387443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 13880fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 13890fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 13900fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 13910fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1392175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1393f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 13940fb2ed66Smajd@mellanox.com 1395175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1396175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1397175edba8SMark Bloch 1398175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1399175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1400175edba8SMark Bloch 14016a4d00beSMark Bloch if (dev->is_rep) { 1402175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1403175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1404175edba8SMark Bloch } 1405175edba8SMark Bloch 1406175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1407e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1408e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14091f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14100042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14110042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14120042f9e4SMark Bloch 14130042f9e4SMark Bloch if (err) 1414443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14150042f9e4SMark Bloch } 14160fb2ed66Smajd@mellanox.com kvfree(in); 14170fb2ed66Smajd@mellanox.com 14180fb2ed66Smajd@mellanox.com return err; 14190fb2ed66Smajd@mellanox.com } 14200fb2ed66Smajd@mellanox.com 14210fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14222c292dbbSBoris Pismenny u32 *in, size_t inlen, 14237f72052cSYishai Hadas struct ib_pd *pd, 14247f72052cSYishai Hadas struct ib_udata *udata, 14257f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 14260fb2ed66Smajd@mellanox.com { 14270fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14280fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14290fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 143089944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 143189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14320fb2ed66Smajd@mellanox.com int err; 14330fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14347f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14351f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14360fb2ed66Smajd@mellanox.com 14370eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 14380eacc574SAharon Landau return -EINVAL; 14390fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14401cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14410fb2ed66Smajd@mellanox.com if (err) 14420fb2ed66Smajd@mellanox.com return err; 14430fb2ed66Smajd@mellanox.com 1444b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 14450fb2ed66Smajd@mellanox.com if (err) 14460fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14470fb2ed66Smajd@mellanox.com 14487f72052cSYishai Hadas if (uid) { 14497f72052cSYishai Hadas resp->tisn = sq->tisn; 14507f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14517f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14527f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14537f72052cSYishai Hadas } 14547f72052cSYishai Hadas 14550fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14561d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 14570fb2ed66Smajd@mellanox.com } 14580fb2ed66Smajd@mellanox.com 14590fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1460358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1461358e42eaSMajd Dibbiny 14622be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1463e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 14642be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1465b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 146634d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 14670fb2ed66Smajd@mellanox.com if (err) 14680fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14690fb2ed66Smajd@mellanox.com 1470e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1471e0b4b472SLeon Romanovsky out); 14720fb2ed66Smajd@mellanox.com if (err) 14730fb2ed66Smajd@mellanox.com goto err_destroy_rq; 14747f72052cSYishai Hadas 14757f72052cSYishai Hadas if (uid) { 14767f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 14777f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 14787f72052cSYishai Hadas resp->tirn = rq->tirn; 14797f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 14801f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 14811f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 14821f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 14831f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14841f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14851f1d6abbSAriel Levkovich icm_address_39_32) 14861f1d6abbSAriel Levkovich << 32; 14871f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14881f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14891f1d6abbSAriel Levkovich icm_address_63_40) 14901f1d6abbSAriel Levkovich << 40; 14911f1d6abbSAriel Levkovich resp->comp_mask |= 14921f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 14931f1d6abbSAriel Levkovich } 14947f72052cSYishai Hadas } 14950fb2ed66Smajd@mellanox.com } 14960fb2ed66Smajd@mellanox.com 14970fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 14980fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 14990fb2ed66Smajd@mellanox.com return 0; 15000fb2ed66Smajd@mellanox.com 15010fb2ed66Smajd@mellanox.com err_destroy_rq: 15020fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15030fb2ed66Smajd@mellanox.com err_destroy_sq: 15040fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15050fb2ed66Smajd@mellanox.com return err; 15060fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15070fb2ed66Smajd@mellanox.com err_destroy_tis: 15081cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15090fb2ed66Smajd@mellanox.com 15100fb2ed66Smajd@mellanox.com return err; 15110fb2ed66Smajd@mellanox.com } 15120fb2ed66Smajd@mellanox.com 15130fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15140fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15150fb2ed66Smajd@mellanox.com { 15160fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15170fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15180fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15190fb2ed66Smajd@mellanox.com 15200fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1521443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15220fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15230fb2ed66Smajd@mellanox.com } 15240fb2ed66Smajd@mellanox.com 15250fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15260fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15271cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15280fb2ed66Smajd@mellanox.com } 15290fb2ed66Smajd@mellanox.com } 15300fb2ed66Smajd@mellanox.com 15310fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15320fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15330fb2ed66Smajd@mellanox.com { 15340fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15350fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15360fb2ed66Smajd@mellanox.com 15370fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15380fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15390fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15400fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15410fb2ed66Smajd@mellanox.com } 15420fb2ed66Smajd@mellanox.com 154328d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 154428d61370SYishai Hadas { 15450042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15460042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15470042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1548443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1549443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 155028d61370SYishai Hadas } 155128d61370SYishai Hadas 1552f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1553f78d358cSLeon Romanovsky struct ib_udata *udata; 1554f78d358cSLeon Romanovsky size_t inlen; 15556f2cf76eSLeon Romanovsky size_t outlen; 1556e383085cSLeon Romanovsky size_t ucmd_size; 1557f78d358cSLeon Romanovsky void *ucmd; 1558f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1559f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1560f78d358cSLeon Romanovsky u32 uidx; 156108d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1562f78d358cSLeon Romanovsky }; 1563f78d358cSLeon Romanovsky 1564f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1565f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1566f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 156728d61370SYishai Hadas { 1568f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1569f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1570f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 157189944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 157289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 157328d61370SYishai Hadas int inlen; 15741f1d6abbSAriel Levkovich int outlen; 157528d61370SYishai Hadas int err; 157628d61370SYishai Hadas u32 *in; 15771f1d6abbSAriel Levkovich u32 *out; 157828d61370SYishai Hadas void *tirc; 157928d61370SYishai Hadas void *hfso; 158028d61370SYishai Hadas u32 selected_fields = 0; 15812d93fc85SMatan Barak u32 outer_l4; 158228d61370SYishai Hadas u32 tdn = mucontext->tdn; 1583175edba8SMark Bloch u8 lb_flag = 0; 158428d61370SYishai Hadas 15855ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 158628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 158728d61370SYishai Hadas return -EOPNOTSUPP; 158828d61370SYishai Hadas } 158928d61370SYishai Hadas 15905ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 15915ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1592309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1593309fa347SMaor Gottlieb return -EOPNOTSUPP; 1594309fa347SMaor Gottlieb } 1595309fa347SMaor Gottlieb 159637518fa4SLeon Romanovsky if (dev->is_rep) 1597175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1598175edba8SMark Bloch 159937518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 160037518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 160137518fa4SLeon Romanovsky 160237518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1603175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1604175edba8SMark Bloch 160528d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16061f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16071f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 160828d61370SYishai Hadas if (!in) 160928d61370SYishai Hadas return -ENOMEM; 161028d61370SYishai Hadas 16111f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1612443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 161328d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 161428d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 161528d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 161628d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 161728d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 161828d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 161928d61370SYishai Hadas 162028d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1621f95ef6cbSMaor Gottlieb 16225ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1623f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1624f95ef6cbSMaor Gottlieb 1625175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1626175edba8SMark Bloch 16275ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1628309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1629309fa347SMaor Gottlieb else 1630309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1631309fa347SMaor Gottlieb 16325ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 163328d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 163428d61370SYishai Hadas { 163528d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 163628d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 163728d61370SYishai Hadas 16385ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 163928d61370SYishai Hadas err = -EINVAL; 164028d61370SYishai Hadas goto err; 164128d61370SYishai Hadas } 164228d61370SYishai Hadas 164328d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 16445ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 164528d61370SYishai Hadas break; 164628d61370SYishai Hadas } 164728d61370SYishai Hadas default: 164828d61370SYishai Hadas err = -EOPNOTSUPP; 164928d61370SYishai Hadas goto err; 165028d61370SYishai Hadas } 165128d61370SYishai Hadas 16525ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 165328d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 165428d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 165528d61370SYishai Hadas goto create_tir; 165628d61370SYishai Hadas err = -EINVAL; 165728d61370SYishai Hadas goto err; 165828d61370SYishai Hadas } 165928d61370SYishai Hadas 16605ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16615ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 16625ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16635ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 166428d61370SYishai Hadas err = -EINVAL; 166528d61370SYishai Hadas goto err; 166628d61370SYishai Hadas } 166728d61370SYishai Hadas 166828d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 16695ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16705ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 167128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 167228d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 16735ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16745ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 167528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 167628d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 167728d61370SYishai Hadas 16785ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16795ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 16805ce0592bSLeon Romanovsky << 0 | 16815ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16825ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 16835ce0592bSLeon Romanovsky << 1 | 16845ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 16852d93fc85SMatan Barak 16862d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 16872d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 168828d61370SYishai Hadas err = -EINVAL; 168928d61370SYishai Hadas goto err; 169028d61370SYishai Hadas } 169128d61370SYishai Hadas 169228d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 16935ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16945ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 169528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 169628d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 16975ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16985ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 169928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 170028d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 170128d61370SYishai Hadas 17025ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17035ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 170428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 170528d61370SYishai Hadas 17065ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 17075ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 170828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 170928d61370SYishai Hadas 17105ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17115ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 171228d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 171328d61370SYishai Hadas 17145ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 17155ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 171628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 171728d61370SYishai Hadas 17185ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17192d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17202d93fc85SMatan Barak 172128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 172228d61370SYishai Hadas 172328d61370SYishai Hadas create_tir: 1724e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1725e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 172628d61370SYishai Hadas 17271f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17280042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17290042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17300042f9e4SMark Bloch 17310042f9e4SMark Bloch if (err) 1732443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1733443c1cf9SYishai Hadas to_mpd(pd)->uid); 17340042f9e4SMark Bloch } 17350042f9e4SMark Bloch 173628d61370SYishai Hadas if (err) 173728d61370SYishai Hadas goto err; 173828d61370SYishai Hadas 17397f72052cSYishai Hadas if (mucontext->devx_uid) { 174008d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 174108d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 17421f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 174308d53976SLeon Romanovsky params->resp.tir_icm_addr = 17441f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 174508d53976SLeon Romanovsky params->resp.tir_icm_addr |= 174608d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17471f1d6abbSAriel Levkovich icm_address_39_32) 17481f1d6abbSAriel Levkovich << 32; 174908d53976SLeon Romanovsky params->resp.tir_icm_addr |= 175008d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17511f1d6abbSAriel Levkovich icm_address_63_40) 17521f1d6abbSAriel Levkovich << 40; 175308d53976SLeon Romanovsky params->resp.comp_mask |= 17541f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 17551f1d6abbSAriel Levkovich } 17567f72052cSYishai Hadas } 17577f72052cSYishai Hadas 175828d61370SYishai Hadas kvfree(in); 175928d61370SYishai Hadas /* qpn is reserved for that QP */ 176028d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 17612be08c30SLeon Romanovsky qp->is_rss = true; 176228d61370SYishai Hadas return 0; 176328d61370SYishai Hadas 176428d61370SYishai Hadas err: 176528d61370SYishai Hadas kvfree(in); 176628d61370SYishai Hadas return err; 176728d61370SYishai Hadas } 176828d61370SYishai Hadas 17695d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 17705d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 17716f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 17725d6ff1baSYonatan Cohen void *qpc) 17735d6ff1baSYonatan Cohen { 17745d6ff1baSYonatan Cohen int scqe_sz; 17752ab367a7Szhengbin bool allow_scat_cqe = false; 17765d6ff1baSYonatan Cohen 17776f4bc0eaSYonatan Cohen if (ucmd) 17786f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 17796f4bc0eaSYonatan Cohen 17806f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 17815d6ff1baSYonatan Cohen return; 17825d6ff1baSYonatan Cohen 17835d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 17845d6ff1baSYonatan Cohen if (scqe_sz == 128) { 17855d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 17865d6ff1baSYonatan Cohen return; 17875d6ff1baSYonatan Cohen } 17885d6ff1baSYonatan Cohen 17895d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 17905d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 17915d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 17925d6ff1baSYonatan Cohen } 17935d6ff1baSYonatan Cohen 1794a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1795a60109dcSYonatan Cohen { 1796a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1797a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1798a60109dcSYonatan Cohen */ 1799a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1800a60109dcSYonatan Cohen int log_max_size; 1801a60109dcSYonatan Cohen 1802a60109dcSYonatan Cohen if (!supported_size_mask) 1803a60109dcSYonatan Cohen return -EOPNOTSUPP; 1804a60109dcSYonatan Cohen 1805a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1806a60109dcSYonatan Cohen 1807a60109dcSYonatan Cohen if (log_max_size > 3) 1808a60109dcSYonatan Cohen return log_max_size; 1809a60109dcSYonatan Cohen 1810a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1811a60109dcSYonatan Cohen } 1812a60109dcSYonatan Cohen 1813a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1814a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1815a60109dcSYonatan Cohen { 1816a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1817a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1818a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1819a60109dcSYonatan Cohen int atomic_size_mask; 1820a60109dcSYonatan Cohen 1821a60109dcSYonatan Cohen if (!atomic) 1822a60109dcSYonatan Cohen return -EOPNOTSUPP; 1823a60109dcSYonatan Cohen 1824a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1825a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1826a60109dcSYonatan Cohen else 1827a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1828a60109dcSYonatan Cohen 1829a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1830a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1831a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1832a60109dcSYonatan Cohen 1833a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1834a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1835a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1836a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1837a60109dcSYonatan Cohen 1838a60109dcSYonatan Cohen return atomic_mode; 1839a60109dcSYonatan Cohen } 1840a60109dcSYonatan Cohen 1841f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1842f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 184304bcc1c2SLeon Romanovsky { 1844e383085cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1845f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1846f78d358cSLeon Romanovsky u32 uidx = params->uidx; 184704bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 18483e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 184904bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 185004bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 185104bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 185204bcc1c2SLeon Romanovsky unsigned long flags; 185304bcc1c2SLeon Romanovsky void *qpc; 185404bcc1c2SLeon Romanovsky u32 *in; 185504bcc1c2SLeon Romanovsky int err; 185604bcc1c2SLeon Romanovsky 185704bcc1c2SLeon Romanovsky mutex_init(&qp->mutex); 185804bcc1c2SLeon Romanovsky 185904bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 186004bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 186104bcc1c2SLeon Romanovsky 186204bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 186304bcc1c2SLeon Romanovsky if (!in) 186404bcc1c2SLeon Romanovsky return -ENOMEM; 186504bcc1c2SLeon Romanovsky 1866e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 1867e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 186804bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 186904bcc1c2SLeon Romanovsky 187004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 187104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 187204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 187304bcc1c2SLeon Romanovsky 187404bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 187504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 187604bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 187704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 187804bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 187904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 188004bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 188104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 188204bcc1c2SLeon Romanovsky 188304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 188404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 188504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 188604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 188704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 188804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 188904bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 189004bcc1c2SLeon Romanovsky 189104bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 189204bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 189304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 189404bcc1c2SLeon Romanovsky 189504bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 189604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 189704bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 189804bcc1c2SLeon Romanovsky /* Special case to clean flag */ 189904bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 190004bcc1c2SLeon Romanovsky } 190104bcc1c2SLeon Romanovsky 190204bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 19033e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 190404bcc1c2SLeon Romanovsky kvfree(in); 19056367da46SLeon Romanovsky if (err) 190604bcc1c2SLeon Romanovsky return err; 190704bcc1c2SLeon Romanovsky 190804bcc1c2SLeon Romanovsky base->container_mibqp = qp; 190904bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 191092cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 19113e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 191204bcc1c2SLeon Romanovsky 191304bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 191404bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 191504bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 191604bcc1c2SLeon Romanovsky 1917968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 191804bcc1c2SLeon Romanovsky return 0; 191904bcc1c2SLeon Romanovsky } 192004bcc1c2SLeon Romanovsky 192198fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1922f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1923f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 1924e126ba97SEli Cohen { 1925f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1926f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 19273e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 1928f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 1929f78d358cSLeon Romanovsky u32 uidx = params->uidx; 1930e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 193109a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1932938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 193389ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 193489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 193589ea94a7SMaor Gottlieb unsigned long flags; 193609a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1937e7b169f3SNoa Osherovich int mlx5_st; 1938cfb5e088SHaggai Abramovsky void *qpc; 193909a7d9ecSSaeed Mahameed u32 *in; 194009a7d9ecSSaeed Mahameed int err; 1941e126ba97SEli Cohen 1942e126ba97SEli Cohen mutex_init(&qp->mutex); 1943e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1944e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1945e126ba97SEli Cohen 19467aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 1947e7b169f3SNoa Osherovich if (mlx5_st < 0) 1948e7b169f3SNoa Osherovich return -EINVAL; 1949e7b169f3SNoa Osherovich 1950e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1951e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1952e126ba97SEli Cohen 19532978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 19542978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 19552978975cSLeon Romanovsky 1956c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 19572be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 1958c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1959c2e53b2cSYishai Hadas &qp->trans_qp.base; 1960c2e53b2cSYishai Hadas 1961e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 19622dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 1963e126ba97SEli Cohen if (err) { 1964e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1965e126ba97SEli Cohen return err; 1966e126ba97SEli Cohen } 1967e126ba97SEli Cohen 19682dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 196998fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 1970e126ba97SEli Cohen return -EINVAL; 1971e126ba97SEli Cohen 197298fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 197398fc1126SLeon Romanovsky return -EINVAL; 197498fc1126SLeon Romanovsky 197508d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 197608d53976SLeon Romanovsky &inlen, base, ucmd); 1977e126ba97SEli Cohen if (err) 1978e126ba97SEli Cohen return err; 1979e126ba97SEli Cohen 1980e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1981e126ba97SEli Cohen qp->port = init_attr->port_num; 1982e126ba97SEli Cohen 1983e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 1984e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 198509a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 198609a7d9ecSSaeed Mahameed 1987e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 198809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 198998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 1990e126ba97SEli Cohen 1991c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 199209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1993e126ba97SEli Cohen 19942be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 199509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1996f360d88aSEli Cohen 19972be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 199809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 19992be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 200009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 20012be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 200209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 20032be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2004569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 200590ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 200690ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 20078bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 200852c81f47SColin Ian King int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 20098bde2c50SLeon Romanovsky 20108bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 20118bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 20128bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 20138bde2c50SLeon Romanovsky } 201490ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 20157aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 20162dfac92dSLeon Romanovsky configure_requester_scat_cqe(dev, init_attr, ucmd, qpc); 2017e126ba97SEli Cohen 2018e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 201909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 202009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2021e126ba97SEli Cohen } 2022e126ba97SEli Cohen 202309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2024e126ba97SEli Cohen 20253fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 202609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20273fd3307eSArtemy Kovalyov } else { 202809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20293fd3307eSArtemy Kovalyov if (init_attr->srq && 20303fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20313fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20323fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20333fd3307eSArtemy Kovalyov } 2034e126ba97SEli Cohen 2035e126ba97SEli Cohen /* Set default resources */ 2036e126ba97SEli Cohen switch (init_attr->qp_type) { 2037e126ba97SEli Cohen case IB_QPT_XRC_INI: 203809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 2039f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 204009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2041e126ba97SEli Cohen break; 2042e126ba97SEli Cohen default: 2043e126ba97SEli Cohen if (init_attr->srq) { 2044f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 204509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2046e126ba97SEli Cohen } else { 2047f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 204809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2049e126ba97SEli Cohen } 2050e126ba97SEli Cohen } 2051e126ba97SEli Cohen 2052e126ba97SEli Cohen if (init_attr->send_cq) 205309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2054e126ba97SEli Cohen 2055e126ba97SEli Cohen if (init_attr->recv_cq) 205609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2057e126ba97SEli Cohen 205809a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2059e126ba97SEli Cohen 2060cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 206109a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2062cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 206309a7d9ecSSaeed Mahameed 20642978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 20652978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2066b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2067b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 20682978975cSLeon Romanovsky /* Special case to clean flag */ 20692978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2070b1383aa6SNoa Osherovich } 2071b1383aa6SNoa Osherovich 2072c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 20732be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 20742dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 20750fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 20767f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 207708d53976SLeon Romanovsky ¶ms->resp); 207804bcc1c2SLeon Romanovsky } else 20793e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 2080e126ba97SEli Cohen 2081479163f4SAl Viro kvfree(in); 208204bcc1c2SLeon Romanovsky if (err) 208304bcc1c2SLeon Romanovsky goto err_create; 2084e126ba97SEli Cohen 208519098df2Smajd@mellanox.com base->container_mibqp = qp; 208619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 208792cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 20883e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 2089e126ba97SEli Cohen 20907aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 209189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 209289ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 209389ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 209489ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 209589ea94a7SMaor Gottlieb * flow 209689ea94a7SMaor Gottlieb */ 209789ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 209889ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 209989ea94a7SMaor Gottlieb */ 210089ea94a7SMaor Gottlieb if (send_cq) 210189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 210289ea94a7SMaor Gottlieb if (recv_cq) 210389ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 210489ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 210589ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 210689ea94a7SMaor Gottlieb 2107e126ba97SEli Cohen return 0; 2108e126ba97SEli Cohen 2109e126ba97SEli Cohen err_create: 2110747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2111e126ba97SEli Cohen return err; 2112e126ba97SEli Cohen } 2113e126ba97SEli Cohen 211498fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2115f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2116f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 211798fc1126SLeon Romanovsky { 2118f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2119f78d358cSLeon Romanovsky u32 uidx = params->uidx; 212098fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 21213e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 212298fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 212398fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 212498fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 212598fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 212698fc1126SLeon Romanovsky unsigned long flags; 212798fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 212898fc1126SLeon Romanovsky int mlx5_st; 212998fc1126SLeon Romanovsky void *qpc; 213098fc1126SLeon Romanovsky u32 *in; 213198fc1126SLeon Romanovsky int err; 213298fc1126SLeon Romanovsky 213398fc1126SLeon Romanovsky mutex_init(&qp->mutex); 213498fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 213598fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 213698fc1126SLeon Romanovsky 213798fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 213898fc1126SLeon Romanovsky if (mlx5_st < 0) 213998fc1126SLeon Romanovsky return -EINVAL; 214098fc1126SLeon Romanovsky 214198fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 214298fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 214398fc1126SLeon Romanovsky 214498fc1126SLeon Romanovsky base = &qp->trans_qp.base; 214598fc1126SLeon Romanovsky 214698fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 214798fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 214898fc1126SLeon Romanovsky if (err) { 214998fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 215098fc1126SLeon Romanovsky return err; 215198fc1126SLeon Romanovsky } 215298fc1126SLeon Romanovsky 215398fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 215498fc1126SLeon Romanovsky if (err) 215598fc1126SLeon Romanovsky return err; 215698fc1126SLeon Romanovsky 215798fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 215898fc1126SLeon Romanovsky qp->port = attr->port_num; 215998fc1126SLeon Romanovsky 216098fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 216198fc1126SLeon Romanovsky 216298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 216398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 216498fc1126SLeon Romanovsky 216598fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 216698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 216798fc1126SLeon Romanovsky else 216898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 216998fc1126SLeon Romanovsky 217098fc1126SLeon Romanovsky 217198fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 217298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 217398fc1126SLeon Romanovsky 217498fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 217598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 217698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 217798fc1126SLeon Romanovsky } 217898fc1126SLeon Romanovsky 217998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 218098fc1126SLeon Romanovsky 218198fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 218298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 218398fc1126SLeon Romanovsky else 218498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 218598fc1126SLeon Romanovsky 218698fc1126SLeon Romanovsky if (attr->srq) { 2187f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 218898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 218998fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 219098fc1126SLeon Romanovsky } else { 2191f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 219298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 219398fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 219498fc1126SLeon Romanovsky } 219598fc1126SLeon Romanovsky 219698fc1126SLeon Romanovsky if (attr->send_cq) 219798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 219898fc1126SLeon Romanovsky 219998fc1126SLeon Romanovsky if (attr->recv_cq) 220098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 220198fc1126SLeon Romanovsky 220298fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 220398fc1126SLeon Romanovsky 220498fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 220598fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 220698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 220798fc1126SLeon Romanovsky 220898fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 220998fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 221098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 221198fc1126SLeon Romanovsky 22123e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 221398fc1126SLeon Romanovsky kvfree(in); 221498fc1126SLeon Romanovsky if (err) 221598fc1126SLeon Romanovsky goto err_create; 221698fc1126SLeon Romanovsky 221798fc1126SLeon Romanovsky base->container_mibqp = qp; 221898fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 221998fc1126SLeon Romanovsky 222098fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 222198fc1126SLeon Romanovsky &send_cq, &recv_cq); 222298fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 222398fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 222498fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 222598fc1126SLeon Romanovsky * flow 222698fc1126SLeon Romanovsky */ 222798fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 222898fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 222998fc1126SLeon Romanovsky */ 223098fc1126SLeon Romanovsky if (send_cq) 223198fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 223298fc1126SLeon Romanovsky if (recv_cq) 223398fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 223498fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 223598fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 223698fc1126SLeon Romanovsky 223798fc1126SLeon Romanovsky return 0; 223898fc1126SLeon Romanovsky 223998fc1126SLeon Romanovsky err_create: 2240747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 224198fc1126SLeon Romanovsky return err; 224298fc1126SLeon Romanovsky } 224398fc1126SLeon Romanovsky 2244e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2245e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2246e126ba97SEli Cohen { 2247e126ba97SEli Cohen if (send_cq) { 2248e126ba97SEli Cohen if (recv_cq) { 2249e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 225089ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2251e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2252e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2253e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 225489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2255e126ba97SEli Cohen __acquire(&recv_cq->lock); 2256e126ba97SEli Cohen } else { 225789ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2258e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2259e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2260e126ba97SEli Cohen } 2261e126ba97SEli Cohen } else { 226289ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22636a4f139aSEli Cohen __acquire(&recv_cq->lock); 2264e126ba97SEli Cohen } 2265e126ba97SEli Cohen } else if (recv_cq) { 226689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22676a4f139aSEli Cohen __acquire(&send_cq->lock); 22686a4f139aSEli Cohen } else { 22696a4f139aSEli Cohen __acquire(&send_cq->lock); 22706a4f139aSEli Cohen __acquire(&recv_cq->lock); 2271e126ba97SEli Cohen } 2272e126ba97SEli Cohen } 2273e126ba97SEli Cohen 2274e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2275e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2276e126ba97SEli Cohen { 2277e126ba97SEli Cohen if (send_cq) { 2278e126ba97SEli Cohen if (recv_cq) { 2279e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2280e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 228189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2282e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2283e126ba97SEli Cohen __release(&recv_cq->lock); 228489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2285e126ba97SEli Cohen } else { 2286e126ba97SEli Cohen spin_unlock(&send_cq->lock); 228789ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2288e126ba97SEli Cohen } 2289e126ba97SEli Cohen } else { 22906a4f139aSEli Cohen __release(&recv_cq->lock); 229189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2292e126ba97SEli Cohen } 2293e126ba97SEli Cohen } else if (recv_cq) { 22946a4f139aSEli Cohen __release(&send_cq->lock); 229589ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 22966a4f139aSEli Cohen } else { 22976a4f139aSEli Cohen __release(&recv_cq->lock); 22986a4f139aSEli Cohen __release(&send_cq->lock); 2299e126ba97SEli Cohen } 2300e126ba97SEli Cohen } 2301e126ba97SEli Cohen 230289ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 230389ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2304e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2305e126ba97SEli Cohen { 230689ea94a7SMaor Gottlieb switch (qp_type) { 2307e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2308e126ba97SEli Cohen *send_cq = NULL; 2309e126ba97SEli Cohen *recv_cq = NULL; 2310e126ba97SEli Cohen break; 2311e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2312e126ba97SEli Cohen case IB_QPT_XRC_INI: 231389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2314e126ba97SEli Cohen *recv_cq = NULL; 2315e126ba97SEli Cohen break; 2316e126ba97SEli Cohen 2317e126ba97SEli Cohen case IB_QPT_SMI: 2318d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2319e126ba97SEli Cohen case IB_QPT_RC: 2320e126ba97SEli Cohen case IB_QPT_UC: 2321e126ba97SEli Cohen case IB_QPT_UD: 23220fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 232389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 232489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2325e126ba97SEli Cohen break; 2326e126ba97SEli Cohen default: 2327e126ba97SEli Cohen *send_cq = NULL; 2328e126ba97SEli Cohen *recv_cq = NULL; 2329e126ba97SEli Cohen break; 2330e126ba97SEli Cohen } 2331e126ba97SEli Cohen } 2332e126ba97SEli Cohen 2333ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 233413eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 233513eab21fSAviv Heller u8 lag_tx_affinity); 2336ad5f8e96Smajd@mellanox.com 2337bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2338bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2339e126ba97SEli Cohen { 2340e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2341c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 234289ea94a7SMaor Gottlieb unsigned long flags; 2343e126ba97SEli Cohen int err; 2344e126ba97SEli Cohen 234528d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 234628d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 234728d61370SYishai Hadas return; 234828d61370SYishai Hadas } 234928d61370SYishai Hadas 2350c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23512be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 23520fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23530fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23540fb2ed66Smajd@mellanox.com 23556aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2356c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 23572be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2358333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 23595f62a521SLeon Romanovsky NULL, &base->mqp, NULL); 2360ad5f8e96Smajd@mellanox.com } else { 23610680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 23620680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 23630680efa2SAlex Vesker }; 23640680efa2SAlex Vesker 236513eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2366ad5f8e96Smajd@mellanox.com } 2367ad5f8e96Smajd@mellanox.com if (err) 2368427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 236919098df2Smajd@mellanox.com base->mqp.qpn); 23706aec21f6SHaggai Eran } 2371e126ba97SEli Cohen 237289ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 237389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 237489ea94a7SMaor Gottlieb 237589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 237689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 237789ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 237889ea94a7SMaor Gottlieb list_del(&qp->qps_list); 237989ea94a7SMaor Gottlieb if (send_cq) 238089ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 238189ea94a7SMaor Gottlieb 238289ea94a7SMaor Gottlieb if (recv_cq) 238389ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2384e126ba97SEli Cohen 238503c4077bSLeon Romanovsky if (!udata) { 238619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2387e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2388e126ba97SEli Cohen if (send_cq != recv_cq) 238919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 239019098df2Smajd@mellanox.com NULL); 2391e126ba97SEli Cohen } 239289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 239389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2394e126ba97SEli Cohen 2395c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23962be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 23970fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 23980fb2ed66Smajd@mellanox.com } else { 2399333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2400e126ba97SEli Cohen if (err) 24010fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24020fb2ed66Smajd@mellanox.com base->mqp.qpn); 24030fb2ed66Smajd@mellanox.com } 2404e126ba97SEli Cohen 2405747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2406e126ba97SEli Cohen } 2407e126ba97SEli Cohen 2408a645a89dSLeon Romanovsky static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2409a645a89dSLeon Romanovsky struct mlx5_ib_qp *qp, 2410f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2411b4aaa1f0SMoni Shoua { 2412f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2413f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2414f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2415b4aaa1f0SMoni Shoua void *dctc; 2416b4aaa1f0SMoni Shoua 2417b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24189c2ba4edSLeon Romanovsky if (!qp->dct.in) 241947c80612SLeon Romanovsky return -ENOMEM; 2420b4aaa1f0SMoni Shoua 2421a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2422b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2423b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2424b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2425b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2426b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2427b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2428a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 2429a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 2430b4aaa1f0SMoni Shoua 243137518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2432fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2433fd9dab7eSLeon Romanovsky 2434fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2435fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2436fd9dab7eSLeon Romanovsky } 24375d6ff1baSYonatan Cohen 2438b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2439b4aaa1f0SMoni Shoua 244047c80612SLeon Romanovsky return 0; 2441b4aaa1f0SMoni Shoua } 2442b4aaa1f0SMoni Shoua 24437aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 24447aede1a2SLeon Romanovsky enum ib_qp_type *type) 24456eb7edffSLeon Romanovsky { 24466eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 24476eb7edffSLeon Romanovsky goto out; 24486eb7edffSLeon Romanovsky 24496eb7edffSLeon Romanovsky switch (attr->qp_type) { 24506eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 24516eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 24526eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 24536eb7edffSLeon Romanovsky goto out; 24546eb7edffSLeon Romanovsky fallthrough; 24556eb7edffSLeon Romanovsky case IB_QPT_RC: 24566eb7edffSLeon Romanovsky case IB_QPT_UC: 24576eb7edffSLeon Romanovsky case IB_QPT_SMI: 24586eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 24596eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 24606eb7edffSLeon Romanovsky case IB_QPT_GSI: 246142caf9cbSMark Bloch if (dev->profile == &raw_eth_profile) 246242caf9cbSMark Bloch goto out; 246342caf9cbSMark Bloch case IB_QPT_RAW_PACKET: 246442caf9cbSMark Bloch case IB_QPT_UD: 246542caf9cbSMark Bloch case MLX5_IB_QPT_REG_UMR: 24667aede1a2SLeon Romanovsky break; 24676eb7edffSLeon Romanovsky default: 24686eb7edffSLeon Romanovsky goto out; 2469b4aaa1f0SMoni Shoua } 2470b4aaa1f0SMoni Shoua 24717aede1a2SLeon Romanovsky *type = attr->qp_type; 2472b4aaa1f0SMoni Shoua return 0; 24736eb7edffSLeon Romanovsky 24746eb7edffSLeon Romanovsky out: 24756eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 24766eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2477b4aaa1f0SMoni Shoua } 2478b4aaa1f0SMoni Shoua 24792242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 24802242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 24812242cc25SLeon Romanovsky struct ib_udata *udata) 24822242cc25SLeon Romanovsky { 24832242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 24842242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 24852242cc25SLeon Romanovsky 24862242cc25SLeon Romanovsky if (!udata) { 24872242cc25SLeon Romanovsky /* Kernel create_qp callers */ 24882242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 24892242cc25SLeon Romanovsky return -EOPNOTSUPP; 24902242cc25SLeon Romanovsky 24912242cc25SLeon Romanovsky switch (attr->qp_type) { 24922242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 24932242cc25SLeon Romanovsky case IB_QPT_DRIVER: 24942242cc25SLeon Romanovsky return -EOPNOTSUPP; 24952242cc25SLeon Romanovsky default: 24962242cc25SLeon Romanovsky return 0; 24972242cc25SLeon Romanovsky } 24982242cc25SLeon Romanovsky } 24992242cc25SLeon Romanovsky 25002242cc25SLeon Romanovsky /* Userspace create_qp callers */ 25012242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 25022242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25032242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 25042242cc25SLeon Romanovsky return -EINVAL; 25052242cc25SLeon Romanovsky } 25062242cc25SLeon Romanovsky 25072242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 25082242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25092242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 25102242cc25SLeon Romanovsky attr->qp_type); 25112242cc25SLeon Romanovsky return -EINVAL; 25122242cc25SLeon Romanovsky } 25132242cc25SLeon Romanovsky 25142242cc25SLeon Romanovsky switch (attr->qp_type) { 25152242cc25SLeon Romanovsky case IB_QPT_SMI: 25162242cc25SLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25172242cc25SLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 25182242cc25SLeon Romanovsky case IB_QPT_GSI: 25192242cc25SLeon Romanovsky mlx5_ib_dbg(dev, "Kernel doesn't support QP type %d\n", 25202242cc25SLeon Romanovsky attr->qp_type); 25212242cc25SLeon Romanovsky return -EINVAL; 25222242cc25SLeon Romanovsky default: 25232242cc25SLeon Romanovsky break; 25242242cc25SLeon Romanovsky } 25252242cc25SLeon Romanovsky 25262242cc25SLeon Romanovsky /* 25272242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25282242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25292242cc25SLeon Romanovsky */ 25302242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25312242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25322242cc25SLeon Romanovsky return 0; 25332242cc25SLeon Romanovsky } 25342242cc25SLeon Romanovsky 253537518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 253637518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 253737518fa4SLeon Romanovsky { 253837518fa4SLeon Romanovsky if (!(*flags & flag)) 253937518fa4SLeon Romanovsky return; 254037518fa4SLeon Romanovsky 254137518fa4SLeon Romanovsky if (cond) { 254237518fa4SLeon Romanovsky qp->flags_en |= flag; 254337518fa4SLeon Romanovsky *flags &= ~flag; 254437518fa4SLeon Romanovsky return; 254537518fa4SLeon Romanovsky } 254637518fa4SLeon Romanovsky 254737518fa4SLeon Romanovsky if (flag == MLX5_QP_FLAG_SCATTER_CQE) { 254837518fa4SLeon Romanovsky /* 254937518fa4SLeon Romanovsky * We don't return error if this flag was provided, 255037518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 255137518fa4SLeon Romanovsky */ 255237518fa4SLeon Romanovsky *flags &= ~MLX5_QP_FLAG_SCATTER_CQE; 255337518fa4SLeon Romanovsky return; 255437518fa4SLeon Romanovsky } 255537518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 255637518fa4SLeon Romanovsky } 255737518fa4SLeon Romanovsky 255837518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 25595ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 25602fdddbd5SLeon Romanovsky { 256137518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 256237518fa4SLeon Romanovsky bool cond; 25635ce0592bSLeon Romanovsky int flags; 25645ce0592bSLeon Romanovsky 25655ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 25665ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 25675ce0592bSLeon Romanovsky else 25685ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 256937518fa4SLeon Romanovsky 257037518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 25712fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 25727aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 25732fdddbd5SLeon Romanovsky break; 25742fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 25757aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 257637518fa4SLeon Romanovsky break; 25777aede1a2SLeon Romanovsky default: 25787aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 25797aede1a2SLeon Romanovsky break; 25807aede1a2SLeon Romanovsky /* 25817aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 25827aede1a2SLeon Romanovsky * wrong subtype were provided. 25837aede1a2SLeon Romanovsky */ 258437518fa4SLeon Romanovsky return -EINVAL; 25857aede1a2SLeon Romanovsky } 258637518fa4SLeon Romanovsky 258737518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 258837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 258937518fa4SLeon Romanovsky 259037518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 259137518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 259237518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 259337518fa4SLeon Romanovsky 25947aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 259537518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 259637518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 259737518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 259837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 259937518fa4SLeon Romanovsky cond, qp); 260037518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 260137518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 260237518fa4SLeon Romanovsky qp); 260337518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 260437518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 260537518fa4SLeon Romanovsky qp); 260637518fa4SLeon Romanovsky } 260737518fa4SLeon Romanovsky 26087aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 260937518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 261037518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 261137518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 261237518fa4SLeon Romanovsky 261376883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 261476883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 261576883a6cSLeon Romanovsky 26165d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 26175d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 26185d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 26195d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 26205d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 26215d6fffedSLeon Romanovsky cond); 26225d6fffedSLeon Romanovsky return -EINVAL; 26235d6fffedSLeon Romanovsky } 26245d6fffedSLeon Romanovsky 262537518fa4SLeon Romanovsky if (flags) 262637518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 262737518fa4SLeon Romanovsky 262837518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 26292fdddbd5SLeon Romanovsky } 26302fdddbd5SLeon Romanovsky 26312978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 26322978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26332978975cSLeon Romanovsky { 26342978975cSLeon Romanovsky if (!(*flags & flag)) 26352978975cSLeon Romanovsky return; 26362978975cSLeon Romanovsky 26372978975cSLeon Romanovsky if (cond) { 26382978975cSLeon Romanovsky qp->flags |= flag; 26392978975cSLeon Romanovsky *flags &= ~flag; 26402978975cSLeon Romanovsky return; 26412978975cSLeon Romanovsky } 26422978975cSLeon Romanovsky 26432978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26442978975cSLeon Romanovsky /* 26452978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26462978975cSLeon Romanovsky * just different in-kernel flow. 26472978975cSLeon Romanovsky */ 26482978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26492978975cSLeon Romanovsky return; 26502978975cSLeon Romanovsky } 26512978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 26522978975cSLeon Romanovsky } 26532978975cSLeon Romanovsky 26542978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26552978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 26562978975cSLeon Romanovsky { 26577aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 26582978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 26592978975cSLeon Romanovsky int create_flags = attr->create_flags; 26602978975cSLeon Romanovsky bool cond; 26612978975cSLeon Romanovsky 266242caf9cbSMark Bloch if (qp->type == IB_QPT_UD && dev->profile == &raw_eth_profile) 266342caf9cbSMark Bloch if (create_flags & ~MLX5_IB_QP_CREATE_WC_TEST) 266442caf9cbSMark Bloch return -EINVAL; 266542caf9cbSMark Bloch 26667aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 26672978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26682978975cSLeon Romanovsky 26692978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 26702978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26712978975cSLeon Romanovsky 26722978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26732978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 26742978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 26752978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 26762978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26772978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 26782978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26792978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 26802978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26812978975cSLeon Romanovsky 26822978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 26832978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26842978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 26852978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 26862978975cSLeon Romanovsky qp); 26872978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 26882978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 26892978975cSLeon Romanovsky cond, qp); 26902978975cSLeon Romanovsky } 26912978975cSLeon Romanovsky 26922978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 26932978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26942978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 26952978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26962978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 26972978975cSLeon Romanovsky 26982978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26992978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 27002978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27012978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 27022978975cSLeon Romanovsky } 27032978975cSLeon Romanovsky 27042978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27052978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 27062978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 27072978975cSLeon Romanovsky 27082978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 27092978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 27102978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 27112978975cSLeon Romanovsky true, qp); 27122978975cSLeon Romanovsky 27132978975cSLeon Romanovsky if (create_flags) 27142978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 27152978975cSLeon Romanovsky create_flags); 27162978975cSLeon Romanovsky 27172978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 27182978975cSLeon Romanovsky } 27192978975cSLeon Romanovsky 27206f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 27216f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 27222fdddbd5SLeon Romanovsky { 27232fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27246f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 27256f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 27265ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 27272fdddbd5SLeon Romanovsky 27286f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 2729e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27306f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 2731e383085cSLeon Romanovsky /* User has old rdma-core, which doesn't support ECE */ 2732e383085cSLeon Romanovsky size_t min_inlen = 2733e383085cSLeon Romanovsky offsetof(struct mlx5_ib_create_qp, ece_options); 2734e383085cSLeon Romanovsky 2735e383085cSLeon Romanovsky /* 2736e383085cSLeon Romanovsky * We will check in check_ucmd_data() that user 2737e383085cSLeon Romanovsky * cleared everything after inlen. 2738e383085cSLeon Romanovsky */ 2739e383085cSLeon Romanovsky params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); 27406f2cf76eSLeon Romanovsky goto out; 27416f2cf76eSLeon Romanovsky } 27425ce0592bSLeon Romanovsky 27436f2cf76eSLeon Romanovsky /* RSS RAW QP */ 27445ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 27456f2cf76eSLeon Romanovsky return -EINVAL; 27466f2cf76eSLeon Romanovsky 27476f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 27486f2cf76eSLeon Romanovsky return -EINVAL; 27495ce0592bSLeon Romanovsky 27505ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 2751e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27525ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 27536f2cf76eSLeon Romanovsky return -EINVAL; 27545ce0592bSLeon Romanovsky 27556f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 27566f2cf76eSLeon Romanovsky out: 27576f2cf76eSLeon Romanovsky if (!params->inlen) 2758e383085cSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small\n"); 27596f2cf76eSLeon Romanovsky 27606f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 27612fdddbd5SLeon Romanovsky } 27622fdddbd5SLeon Romanovsky 2763968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2764f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2765f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 27665d0dc3d9SLeon Romanovsky { 2767968f0b6fSLeon Romanovsky int err; 27685d0dc3d9SLeon Romanovsky 2769968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 2770968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 2771968f0b6fSLeon Romanovsky goto out; 2772968f0b6fSLeon Romanovsky } 2773968f0b6fSLeon Romanovsky 2774968f0b6fSLeon Romanovsky if (qp->type == MLX5_IB_QPT_DCT) { 2775a645a89dSLeon Romanovsky err = create_dct(dev, pd, qp, params); 2776968f0b6fSLeon Romanovsky goto out; 2777968f0b6fSLeon Romanovsky } 2778968f0b6fSLeon Romanovsky 2779968f0b6fSLeon Romanovsky if (qp->type == IB_QPT_XRC_TGT) { 2780968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 2781968f0b6fSLeon Romanovsky goto out; 2782968f0b6fSLeon Romanovsky } 2783968f0b6fSLeon Romanovsky 2784968f0b6fSLeon Romanovsky if (params->udata) 2785968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 2786968f0b6fSLeon Romanovsky else 2787968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 2788968f0b6fSLeon Romanovsky 2789968f0b6fSLeon Romanovsky out: 2790968f0b6fSLeon Romanovsky if (err) { 2791968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 2792968f0b6fSLeon Romanovsky return err; 2793968f0b6fSLeon Romanovsky } 2794968f0b6fSLeon Romanovsky 2795968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 2796968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 2797968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 2798968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 2799968f0b6fSLeon Romanovsky else 2800968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2801968f0b6fSLeon Romanovsky 2802968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 28033e09a427SLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", 2804968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2805968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 2806968f0b6fSLeon Romanovsky -1, 2807968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 28083e09a427SLeon Romanovsky -1, 28093e09a427SLeon Romanovsky params->resp.ece_options); 2810968f0b6fSLeon Romanovsky 2811968f0b6fSLeon Romanovsky return 0; 28125d0dc3d9SLeon Romanovsky } 28135d0dc3d9SLeon Romanovsky 28147aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 28157aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 28167aede1a2SLeon Romanovsky { 28177aede1a2SLeon Romanovsky int ret = 0; 28187aede1a2SLeon Romanovsky 28197aede1a2SLeon Romanovsky switch (qp->type) { 28207aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 28217aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 28227aede1a2SLeon Romanovsky break; 28237aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 28247aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 28257aede1a2SLeon Romanovsky -EINVAL : 28267aede1a2SLeon Romanovsky 0; 28277aede1a2SLeon Romanovsky break; 2828266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 2829266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 2830266424ebSLeon Romanovsky break; 28317aede1a2SLeon Romanovsky default: 28327aede1a2SLeon Romanovsky break; 28337aede1a2SLeon Romanovsky } 28347aede1a2SLeon Romanovsky 28357aede1a2SLeon Romanovsky if (ret) 28367aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 28377aede1a2SLeon Romanovsky 28387aede1a2SLeon Romanovsky return ret; 28397aede1a2SLeon Romanovsky } 28407aede1a2SLeon Romanovsky 2841f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 2842f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 284321aad80bSLeon Romanovsky { 2844f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2845f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 284621aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 284721aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 284821aad80bSLeon Romanovsky 2849f78d358cSLeon Romanovsky if (params->is_rss_raw) 285021aad80bSLeon Romanovsky return 0; 285121aad80bSLeon Romanovsky 2852f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 285321aad80bSLeon Romanovsky } 285421aad80bSLeon Romanovsky 285508d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 285608d53976SLeon Romanovsky { 285708d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 285808d53976SLeon Romanovsky 285908d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 286008d53976SLeon Romanovsky int err; 286108d53976SLeon Romanovsky 286208d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 286308d53976SLeon Romanovsky if (err) { 286408d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 286508d53976SLeon Romanovsky return err; 286608d53976SLeon Romanovsky } 286708d53976SLeon Romanovsky } 286808d53976SLeon Romanovsky 286908d53976SLeon Romanovsky kfree(mqp->dct.in); 287008d53976SLeon Romanovsky kfree(mqp); 287108d53976SLeon Romanovsky return 0; 287208d53976SLeon Romanovsky } 287308d53976SLeon Romanovsky 2874e383085cSLeon Romanovsky static int check_ucmd_data(struct mlx5_ib_dev *dev, 2875e383085cSLeon Romanovsky struct mlx5_create_qp_params *params) 2876e383085cSLeon Romanovsky { 2877e383085cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2878e383085cSLeon Romanovsky struct ib_udata *udata = params->udata; 2879e383085cSLeon Romanovsky size_t size, last; 2880e383085cSLeon Romanovsky int ret; 2881e383085cSLeon Romanovsky 2882e383085cSLeon Romanovsky if (params->is_rss_raw) 2883e383085cSLeon Romanovsky /* 2884e383085cSLeon Romanovsky * These QPs don't have "reserved" field in their 2885e383085cSLeon Romanovsky * create_qp input struct, so their data is always valid. 2886e383085cSLeon Romanovsky */ 2887e383085cSLeon Romanovsky last = sizeof(struct mlx5_ib_create_qp_rss); 2888e383085cSLeon Romanovsky else 2889a645a89dSLeon Romanovsky /* IB_QPT_RAW_PACKET doesn't have ECE data */ 2890e383085cSLeon Romanovsky switch (attr->qp_type) { 2891e383085cSLeon Romanovsky case IB_QPT_RAW_PACKET: 2892e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, ece_options); 2893e383085cSLeon Romanovsky break; 2894e383085cSLeon Romanovsky default: 2895e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, reserved); 2896e383085cSLeon Romanovsky } 2897e383085cSLeon Romanovsky 2898e383085cSLeon Romanovsky if (udata->inlen <= last) 2899e383085cSLeon Romanovsky return 0; 2900e383085cSLeon Romanovsky 2901e383085cSLeon Romanovsky /* 2902e383085cSLeon Romanovsky * User provides different create_qp structures based on the 2903e383085cSLeon Romanovsky * flow and we need to know if he cleared memory after our 2904e383085cSLeon Romanovsky * struct create_qp ends. 2905e383085cSLeon Romanovsky */ 2906e383085cSLeon Romanovsky size = udata->inlen - last; 2907e383085cSLeon Romanovsky ret = ib_is_udata_cleared(params->udata, last, size); 2908e383085cSLeon Romanovsky if (!ret) 2909e383085cSLeon Romanovsky mlx5_ib_dbg( 2910e383085cSLeon Romanovsky dev, 2911e383085cSLeon Romanovsky "udata is not cleared, inlen = %lu, ucmd = %lu, last = %lu, size = %lu\n", 2912e383085cSLeon Romanovsky udata->inlen, params->ucmd_size, last, size); 2913e383085cSLeon Romanovsky return ret ? 0 : -EINVAL; 2914e383085cSLeon Romanovsky } 2915e383085cSLeon Romanovsky 2916f78d358cSLeon Romanovsky struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attr, 2917e126ba97SEli Cohen struct ib_udata *udata) 2918e126ba97SEli Cohen { 2919f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 2920e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2921e126ba97SEli Cohen struct mlx5_ib_qp *qp; 29227aede1a2SLeon Romanovsky enum ib_qp_type type; 2923e126ba97SEli Cohen int err; 2924e126ba97SEli Cohen 29256eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 2926f78d358cSLeon Romanovsky to_mdev(to_mxrcd(attr->xrcd)->ibxrcd.device); 29270fb2ed66Smajd@mellanox.com 2928f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 29292242cc25SLeon Romanovsky if (err) 29302242cc25SLeon Romanovsky return ERR_PTR(err); 2931e126ba97SEli Cohen 2932f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 2933f78d358cSLeon Romanovsky if (err) 2934f78d358cSLeon Romanovsky return ERR_PTR(err); 2935f78d358cSLeon Romanovsky 2936f78d358cSLeon Romanovsky if (attr->qp_type == IB_QPT_GSI) 2937f78d358cSLeon Romanovsky return mlx5_ib_gsi_create_qp(pd, attr); 2938f78d358cSLeon Romanovsky 2939f78d358cSLeon Romanovsky params.udata = udata; 2940f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 2941f78d358cSLeon Romanovsky params.attr = attr; 2942f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 29439c2ba4edSLeon Romanovsky 29445ce0592bSLeon Romanovsky if (udata) { 29456f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 29466f2cf76eSLeon Romanovsky if (err) 29476f2cf76eSLeon Romanovsky return ERR_PTR(err); 29482fdddbd5SLeon Romanovsky 2949e383085cSLeon Romanovsky err = check_ucmd_data(dev, ¶ms); 2950e383085cSLeon Romanovsky if (err) 2951e383085cSLeon Romanovsky return ERR_PTR(err); 2952e383085cSLeon Romanovsky 2953e383085cSLeon Romanovsky params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); 2954f78d358cSLeon Romanovsky if (!params.ucmd) 29555ce0592bSLeon Romanovsky return ERR_PTR(-ENOMEM); 29565ce0592bSLeon Romanovsky 2957f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 29582fdddbd5SLeon Romanovsky if (err) 29595ce0592bSLeon Romanovsky goto free_ucmd; 29602fdddbd5SLeon Romanovsky } 29612fdddbd5SLeon Romanovsky 29629c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 29635ce0592bSLeon Romanovsky if (!qp) { 29645ce0592bSLeon Romanovsky err = -ENOMEM; 29655ce0592bSLeon Romanovsky goto free_ucmd; 29665ce0592bSLeon Romanovsky } 29679c2ba4edSLeon Romanovsky 29687aede1a2SLeon Romanovsky qp->type = type; 296937518fa4SLeon Romanovsky if (udata) { 2970f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 2971b4aaa1f0SMoni Shoua if (err) 29729c2ba4edSLeon Romanovsky goto free_qp; 297321aad80bSLeon Romanovsky 2974f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 297521aad80bSLeon Romanovsky if (err) 297621aad80bSLeon Romanovsky goto free_qp; 2977b4aaa1f0SMoni Shoua } 2978f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 29792978975cSLeon Romanovsky if (err) 29802978975cSLeon Romanovsky goto free_qp; 2981b4aaa1f0SMoni Shoua 2982f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 29837aede1a2SLeon Romanovsky if (err) 29847aede1a2SLeon Romanovsky goto free_qp; 29857aede1a2SLeon Romanovsky 2986968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 2987968f0b6fSLeon Romanovsky if (err) 29889c2ba4edSLeon Romanovsky goto free_qp; 2989e126ba97SEli Cohen 2990f78d358cSLeon Romanovsky kfree(params.ucmd); 299108d53976SLeon Romanovsky params.ucmd = NULL; 29925ce0592bSLeon Romanovsky 299308d53976SLeon Romanovsky if (udata) 299408d53976SLeon Romanovsky /* 299508d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 299608d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 299708d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 299808d53976SLeon Romanovsky */ 299908d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 300008d53976SLeon Romanovsky if (err) 300108d53976SLeon Romanovsky goto destroy_qp; 300208d53976SLeon Romanovsky 3003e126ba97SEli Cohen return &qp->ibqp; 30049c2ba4edSLeon Romanovsky 300508d53976SLeon Romanovsky destroy_qp: 300608d53976SLeon Romanovsky if (qp->type == MLX5_IB_QPT_DCT) 300708d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 300808d53976SLeon Romanovsky else 300908d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 301008d53976SLeon Romanovsky qp = NULL; 30119c2ba4edSLeon Romanovsky free_qp: 30129c2ba4edSLeon Romanovsky kfree(qp); 30135ce0592bSLeon Romanovsky free_ucmd: 3014f78d358cSLeon Romanovsky kfree(params.ucmd); 30159c2ba4edSLeon Romanovsky return ERR_PTR(err); 3016e126ba97SEli Cohen } 3017e126ba97SEli Cohen 3018c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 3019e126ba97SEli Cohen { 3020e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 3021e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 3022e126ba97SEli Cohen 3023d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 3024d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 3025d16e91daSHaggai Eran 30267aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 3027776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 3028776a3906SMoni Shoua 3029bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 3030e126ba97SEli Cohen 3031e126ba97SEli Cohen kfree(mqp); 3032e126ba97SEli Cohen 3033e126ba97SEli Cohen return 0; 3034e126ba97SEli Cohen } 3035e126ba97SEli Cohen 3036f18e26afSLeon Romanovsky static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, 3037f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, int attr_mask, 3038f18e26afSLeon Romanovsky void *qpc) 3039e126ba97SEli Cohen { 3040a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 3041f18e26afSLeon Romanovsky u8 dest_rd_atomic; 3042f18e26afSLeon Romanovsky u32 access_flags; 3043a60109dcSYonatan Cohen 3044e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 3045e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 3046e126ba97SEli Cohen else 304719098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 3048e126ba97SEli Cohen 3049e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 3050e126ba97SEli Cohen access_flags = attr->qp_access_flags; 3051e126ba97SEli Cohen else 305219098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 3053e126ba97SEli Cohen 3054e126ba97SEli Cohen if (!dest_rd_atomic) 3055e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 3056e126ba97SEli Cohen 3057f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); 3058f18e26afSLeon Romanovsky 305913f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3060a60109dcSYonatan Cohen int atomic_mode; 3061e126ba97SEli Cohen 3062a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 3063a60109dcSYonatan Cohen if (atomic_mode < 0) 3064a60109dcSYonatan Cohen return -EOPNOTSUPP; 3065a60109dcSYonatan Cohen 3066f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rae, 1); 3067f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); 3068a60109dcSYonatan Cohen } 3069a60109dcSYonatan Cohen 3070f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); 3071a60109dcSYonatan Cohen return 0; 3072e126ba97SEli Cohen } 3073e126ba97SEli Cohen 3074e126ba97SEli Cohen enum { 3075e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3076e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3077e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3078e126ba97SEli Cohen }; 3079e126ba97SEli Cohen 3080e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3081e126ba97SEli Cohen { 30824f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3083e126ba97SEli Cohen return 0; 30844f32ac2eSDanit Goldberg 3085a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3086e126ba97SEli Cohen return -EINVAL; 30874f32ac2eSDanit Goldberg 30884f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3089e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 3090938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 3091e126ba97SEli Cohen --rate; 3092e126ba97SEli Cohen 30934f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 3094e126ba97SEli Cohen } 3095e126ba97SEli Cohen 309675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 30971cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 30981cd6dbd3SYishai Hadas struct ib_pd *pd) 309975850d0bSmajd@mellanox.com { 310075850d0bSmajd@mellanox.com void *in; 310175850d0bSmajd@mellanox.com void *tisc; 310275850d0bSmajd@mellanox.com int inlen; 310375850d0bSmajd@mellanox.com int err; 310475850d0bSmajd@mellanox.com 310575850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 31061b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 310775850d0bSmajd@mellanox.com if (!in) 310875850d0bSmajd@mellanox.com return -ENOMEM; 310975850d0bSmajd@mellanox.com 311075850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 31111cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 311275850d0bSmajd@mellanox.com 311375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 311475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 311575850d0bSmajd@mellanox.com 3116e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 311775850d0bSmajd@mellanox.com 311875850d0bSmajd@mellanox.com kvfree(in); 311975850d0bSmajd@mellanox.com 312075850d0bSmajd@mellanox.com return err; 312175850d0bSmajd@mellanox.com } 312275850d0bSmajd@mellanox.com 312313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 31241cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 31251cd6dbd3SYishai Hadas struct ib_pd *pd) 312613eab21fSAviv Heller { 312713eab21fSAviv Heller void *in; 312813eab21fSAviv Heller void *tisc; 312913eab21fSAviv Heller int inlen; 313013eab21fSAviv Heller int err; 313113eab21fSAviv Heller 313213eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 31331b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 313413eab21fSAviv Heller if (!in) 313513eab21fSAviv Heller return -ENOMEM; 313613eab21fSAviv Heller 313713eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 31381cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 313913eab21fSAviv Heller 314013eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 314113eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 314213eab21fSAviv Heller 3143e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 314413eab21fSAviv Heller 314513eab21fSAviv Heller kvfree(in); 314613eab21fSAviv Heller 314713eab21fSAviv Heller return err; 314813eab21fSAviv Heller } 314913eab21fSAviv Heller 3150f18e26afSLeon Romanovsky static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, 31512b880b2eSMark Zhang u32 lqpn, u32 rqpn) 31522b880b2eSMark Zhang 31532b880b2eSMark Zhang { 31542b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 31552b880b2eSMark Zhang 31562b880b2eSMark Zhang if (!fl) 31572b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 31582b880b2eSMark Zhang 3159f18e26afSLeon Romanovsky MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); 31602b880b2eSMark Zhang } 31612b880b2eSMark Zhang 316275850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 3163f18e26afSLeon Romanovsky const struct rdma_ah_attr *ah, void *path, u8 port, 3164f18e26afSLeon Romanovsky int attr_mask, u32 path_flags, 3165f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, bool alt) 3166e126ba97SEli Cohen { 3167d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3168e126ba97SEli Cohen int err; 3169ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3170d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3171d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3172e126ba97SEli Cohen 3173e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3174f18e26afSLeon Romanovsky MLX5_SET(ads, path, pkey_index, 3175f18e26afSLeon Romanovsky alt ? attr->alt_pkey_index : attr->pkey_index); 3176e126ba97SEli Cohen 3177d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3178d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 3179938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 3180f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3181d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 3182938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 3183f83b4263SEli Cohen return -EINVAL; 3184f83b4263SEli Cohen } 31852811ba51SAchiad Shochat } 318644c58487SDasaratharaman Chandramouli 318744c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3188d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 31892811ba51SAchiad Shochat return -EINVAL; 319047ec3866SParav Pandit 3191f18e26afSLeon Romanovsky ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), 3192f18e26afSLeon Romanovsky ah->roce.dmac); 31932b880b2eSMark Zhang if ((qp->ibqp.qp_type == IB_QPT_RC || 31942b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 31952b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 31962b880b2eSMark Zhang qp->ibqp.qp_type == IB_QPT_XRC_TGT) && 31972b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 31982b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 31992b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 32002b880b2eSMark Zhang qp->ibqp.qp_num, 32012b880b2eSMark Zhang attr->dest_qp_num); 3202f18e26afSLeon Romanovsky MLX5_SET(ads, path, eth_prio, sl & 0x7); 320347ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3204ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3205f18e26afSLeon Romanovsky MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); 32062811ba51SAchiad Shochat } else { 3207f18e26afSLeon Romanovsky MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); 3208f18e26afSLeon Romanovsky MLX5_SET(ads, path, free_ar, 3209f18e26afSLeon Romanovsky !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); 3210f18e26afSLeon Romanovsky MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); 3211f18e26afSLeon Romanovsky MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); 3212f18e26afSLeon Romanovsky MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); 3213f18e26afSLeon Romanovsky MLX5_SET(ads, path, sl, sl); 32142811ba51SAchiad Shochat } 32152811ba51SAchiad Shochat 3216d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3217f18e26afSLeon Romanovsky MLX5_SET(ads, path, src_addr_index, grh->sgid_index); 3218f18e26afSLeon Romanovsky MLX5_SET(ads, path, hop_limit, grh->hop_limit); 3219f18e26afSLeon Romanovsky MLX5_SET(ads, path, tclass, grh->traffic_class); 3220f18e26afSLeon Romanovsky MLX5_SET(ads, path, flow_label, grh->flow_label); 3221f18e26afSLeon Romanovsky memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, 3222f18e26afSLeon Romanovsky sizeof(grh->dgid.raw)); 3223e126ba97SEli Cohen } 3224e126ba97SEli Cohen 3225d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3226e126ba97SEli Cohen if (err < 0) 3227e126ba97SEli Cohen return err; 3228f18e26afSLeon Romanovsky MLX5_SET(ads, path, stat_rate, err); 3229f18e26afSLeon Romanovsky MLX5_SET(ads, path, vhca_port_num, port); 3230e126ba97SEli Cohen 3231e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3232f18e26afSLeon Romanovsky MLX5_SET(ads, path, ack_timeout, 3233f18e26afSLeon Romanovsky alt ? attr->alt_timeout : attr->timeout); 3234e126ba97SEli Cohen 323575850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 323675850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 323775850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 32381cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 323975850d0bSmajd@mellanox.com 3240e126ba97SEli Cohen return 0; 3241e126ba97SEli Cohen } 3242e126ba97SEli Cohen 3243e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3244e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3245e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3246e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3247e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3248e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3249e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3250cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3251cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3252e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3253e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3254cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3255cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3256e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3257e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3258e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 32598f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 32608f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 32618f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 32628f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3263cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3264cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3265e126ba97SEli Cohen }, 3266e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3267e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3268e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3269e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3270e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3271cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3272cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3273e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3274e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3275cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3276cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3277e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3278e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3279e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3280e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3281a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3282a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3283a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3284a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3285cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3286cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3287e126ba97SEli Cohen }, 3288e126ba97SEli Cohen }, 3289e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3290e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3291e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3292e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3293e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3294e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3295e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3296e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3297e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3298e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3299e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3300e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 33018f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 33028f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 33038f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33048f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33058f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 33068f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3307e126ba97SEli Cohen }, 3308e126ba97SEli Cohen }, 3309e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3310e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3311e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3312e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3313e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3314e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3315c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3316c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3317e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3318c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3319c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3320e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3321e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3322e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 33238f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 33248f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33258f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33268f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 33278f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 33288f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3329e126ba97SEli Cohen }, 3330e126ba97SEli Cohen }, 3331e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3332e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3333e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3334e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 333575959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3336a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3337a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3338a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3339a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 33408f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 33418f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33428f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33438f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3344e126ba97SEli Cohen }, 3345e126ba97SEli Cohen }, 3346e126ba97SEli Cohen }; 3347e126ba97SEli Cohen 3348e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3349e126ba97SEli Cohen { 3350e126ba97SEli Cohen switch (ib_mask) { 3351e126ba97SEli Cohen case IB_QP_STATE: 3352e126ba97SEli Cohen return 0; 3353e126ba97SEli Cohen case IB_QP_CUR_STATE: 3354e126ba97SEli Cohen return 0; 3355e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3356e126ba97SEli Cohen return 0; 3357e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3358e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3359e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3360e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3361e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3362e126ba97SEli Cohen case IB_QP_PORT: 3363e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3364e126ba97SEli Cohen case IB_QP_QKEY: 3365e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3366e126ba97SEli Cohen case IB_QP_AV: 3367e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3368e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3369e126ba97SEli Cohen case IB_QP_PATH_MTU: 3370e126ba97SEli Cohen return 0; 3371e126ba97SEli Cohen case IB_QP_TIMEOUT: 3372e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3373e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3374e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3375e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3376e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3377e126ba97SEli Cohen case IB_QP_RQ_PSN: 3378e126ba97SEli Cohen return 0; 3379e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3380e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3381e126ba97SEli Cohen case IB_QP_ALT_PATH: 3382e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3383e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3384e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3385e126ba97SEli Cohen case IB_QP_SQ_PSN: 3386e126ba97SEli Cohen return 0; 3387e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3388e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3389e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3390e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3391e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3392e126ba97SEli Cohen case IB_QP_CAP: 3393e126ba97SEli Cohen return 0; 3394e126ba97SEli Cohen case IB_QP_DEST_QPN: 3395e126ba97SEli Cohen return 0; 3396e126ba97SEli Cohen } 3397e126ba97SEli Cohen return 0; 3398e126ba97SEli Cohen } 3399e126ba97SEli Cohen 3400e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3401e126ba97SEli Cohen { 3402e126ba97SEli Cohen int result = 0; 3403e126ba97SEli Cohen int i; 3404e126ba97SEli Cohen 3405e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3406e126ba97SEli Cohen if ((1 << i) & ib_mask) 3407e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3408e126ba97SEli Cohen } 3409e126ba97SEli Cohen 3410e126ba97SEli Cohen return result; 3411e126ba97SEli Cohen } 3412e126ba97SEli Cohen 341334d57585SYishai Hadas static int modify_raw_packet_qp_rq( 341434d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 341534d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3416ad5f8e96Smajd@mellanox.com { 3417ad5f8e96Smajd@mellanox.com void *in; 3418ad5f8e96Smajd@mellanox.com void *rqc; 3419ad5f8e96Smajd@mellanox.com int inlen; 3420ad5f8e96Smajd@mellanox.com int err; 3421ad5f8e96Smajd@mellanox.com 3422ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 34231b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3424ad5f8e96Smajd@mellanox.com if (!in) 3425ad5f8e96Smajd@mellanox.com return -ENOMEM; 3426ad5f8e96Smajd@mellanox.com 3427ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 342834d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3429ad5f8e96Smajd@mellanox.com 3430ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3431ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3432ad5f8e96Smajd@mellanox.com 3433eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3434eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3435eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 343623a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3437eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3438eb49ab0cSAlex Vesker } else 34395a738b5dSJason Gunthorpe dev_info_once( 34405a738b5dSJason Gunthorpe &dev->ib_dev.dev, 34415a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3442eb49ab0cSAlex Vesker } 3443eb49ab0cSAlex Vesker 3444e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3445ad5f8e96Smajd@mellanox.com if (err) 3446ad5f8e96Smajd@mellanox.com goto out; 3447ad5f8e96Smajd@mellanox.com 3448ad5f8e96Smajd@mellanox.com rq->state = new_state; 3449ad5f8e96Smajd@mellanox.com 3450ad5f8e96Smajd@mellanox.com out: 3451ad5f8e96Smajd@mellanox.com kvfree(in); 3452ad5f8e96Smajd@mellanox.com return err; 3453ad5f8e96Smajd@mellanox.com } 3454ad5f8e96Smajd@mellanox.com 3455c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3456c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3457c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3458ad5f8e96Smajd@mellanox.com { 34597d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 346061147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 346161147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 346261147f39SBodong Wang bool new_rate_added = false; 34637d29f349SBodong Wang u16 rl_index = 0; 3464ad5f8e96Smajd@mellanox.com void *in; 3465ad5f8e96Smajd@mellanox.com void *sqc; 3466ad5f8e96Smajd@mellanox.com int inlen; 3467ad5f8e96Smajd@mellanox.com int err; 3468ad5f8e96Smajd@mellanox.com 3469ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 34701b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3471ad5f8e96Smajd@mellanox.com if (!in) 3472ad5f8e96Smajd@mellanox.com return -ENOMEM; 3473ad5f8e96Smajd@mellanox.com 3474c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3475ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3476ad5f8e96Smajd@mellanox.com 3477ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3478ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3479ad5f8e96Smajd@mellanox.com 34807d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 34817d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 34827d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 34837d29f349SBodong Wang __func__); 34847d29f349SBodong Wang else 348561147f39SBodong Wang new_rl = raw_qp_param->rl; 34867d29f349SBodong Wang } 3487ad5f8e96Smajd@mellanox.com 348861147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 348961147f39SBodong Wang if (new_rl.rate) { 349061147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 34917d29f349SBodong Wang if (err) { 349261147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 349361147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 349461147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 349561147f39SBodong Wang new_rl.typical_pkt_sz); 349661147f39SBodong Wang 34977d29f349SBodong Wang goto out; 34987d29f349SBodong Wang } 349961147f39SBodong Wang new_rate_added = true; 35007d29f349SBodong Wang } 35017d29f349SBodong Wang 35027d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 350361147f39SBodong Wang /* index 0 means no limit */ 35047d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 35057d29f349SBodong Wang } 35067d29f349SBodong Wang 3507e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 35087d29f349SBodong Wang if (err) { 35097d29f349SBodong Wang /* Remove new rate from table if failed */ 351061147f39SBodong Wang if (new_rate_added) 351161147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 35127d29f349SBodong Wang goto out; 35137d29f349SBodong Wang } 35147d29f349SBodong Wang 35157d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3516c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3517c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 351861147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3519c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3520c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3521c8973df2SRafi Wiener } 35227d29f349SBodong Wang 352361147f39SBodong Wang ibqp->rl = new_rl; 3524ad5f8e96Smajd@mellanox.com sq->state = new_state; 3525ad5f8e96Smajd@mellanox.com 3526ad5f8e96Smajd@mellanox.com out: 3527ad5f8e96Smajd@mellanox.com kvfree(in); 3528ad5f8e96Smajd@mellanox.com return err; 3529ad5f8e96Smajd@mellanox.com } 3530ad5f8e96Smajd@mellanox.com 3531ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 353213eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 353313eab21fSAviv Heller u8 tx_affinity) 3534ad5f8e96Smajd@mellanox.com { 3535ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3536ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3537ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 35387d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 35397d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3540ad5f8e96Smajd@mellanox.com int rq_state; 3541ad5f8e96Smajd@mellanox.com int sq_state; 3542ad5f8e96Smajd@mellanox.com int err; 3543ad5f8e96Smajd@mellanox.com 35440680efa2SAlex Vesker switch (raw_qp_param->operation) { 3545ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3546ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3547ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3548ad5f8e96Smajd@mellanox.com break; 3549ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3550ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3551ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3552ad5f8e96Smajd@mellanox.com break; 3553ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3554ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3555ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3556ad5f8e96Smajd@mellanox.com break; 3557ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3558ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 35597d29f349SBodong Wang if (raw_qp_param->set_mask == 35607d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 35617d29f349SBodong Wang modify_rq = 0; 35627d29f349SBodong Wang sq_state = sq->state; 35637d29f349SBodong Wang } else { 35647d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 35657d29f349SBodong Wang } 35667d29f349SBodong Wang break; 35677d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 35687d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3569eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3570eb49ab0cSAlex Vesker return -EINVAL; 3571eb49ab0cSAlex Vesker else 3572ad5f8e96Smajd@mellanox.com return 0; 3573ad5f8e96Smajd@mellanox.com default: 3574ad5f8e96Smajd@mellanox.com WARN_ON(1); 3575ad5f8e96Smajd@mellanox.com return -EINVAL; 3576ad5f8e96Smajd@mellanox.com } 3577ad5f8e96Smajd@mellanox.com 35787d29f349SBodong Wang if (modify_rq) { 357934d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 358034d57585SYishai Hadas qp->ibqp.pd); 3581ad5f8e96Smajd@mellanox.com if (err) 3582ad5f8e96Smajd@mellanox.com return err; 3583ad5f8e96Smajd@mellanox.com } 3584ad5f8e96Smajd@mellanox.com 35857d29f349SBodong Wang if (modify_sq) { 3586d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3587d5ed8ac3SMark Bloch 358813eab21fSAviv Heller if (tx_affinity) { 358913eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 35901cd6dbd3SYishai Hadas tx_affinity, 35911cd6dbd3SYishai Hadas qp->ibqp.pd); 359213eab21fSAviv Heller if (err) 359313eab21fSAviv Heller return err; 359413eab21fSAviv Heller } 359513eab21fSAviv Heller 3596d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3597d5ed8ac3SMark Bloch raw_qp_param->port); 3598d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 35991db86318SColin Ian King return PTR_ERR(flow_rule); 3600d5ed8ac3SMark Bloch 3601d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3602c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3603d5ed8ac3SMark Bloch if (err) { 3604d5ed8ac3SMark Bloch if (flow_rule) 3605d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3606d5ed8ac3SMark Bloch return err; 3607d5ed8ac3SMark Bloch } 3608d5ed8ac3SMark Bloch 3609d5ed8ac3SMark Bloch if (flow_rule) { 3610d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3611d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3612d5ed8ac3SMark Bloch } 3613d5ed8ac3SMark Bloch 3614d5ed8ac3SMark Bloch return err; 361513eab21fSAviv Heller } 3616ad5f8e96Smajd@mellanox.com 3617ad5f8e96Smajd@mellanox.com return 0; 3618ad5f8e96Smajd@mellanox.com } 3619ad5f8e96Smajd@mellanox.com 36205163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 36215163b274SMaor Gottlieb struct ib_udata *udata) 3622c6a21c38SMajd Dibbiny { 362389944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 362489944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 36255163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 36265163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3627c6a21c38SMajd Dibbiny 36285163b274SMaor Gottlieb if (ucontext) 36295163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 36305163b274SMaor Gottlieb else 36315163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 36325163b274SMaor Gottlieb 36335163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 36345163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3635c6a21c38SMajd Dibbiny } 3636c6a21c38SMajd Dibbiny 36375163b274SMaor Gottlieb static bool qp_supports_affinity(struct ib_qp *qp) 36385163b274SMaor Gottlieb { 36395163b274SMaor Gottlieb if ((qp->qp_type == IB_QPT_RC) || 3640cfc1a89eSMaor Gottlieb (qp->qp_type == IB_QPT_UD) || 36415163b274SMaor Gottlieb (qp->qp_type == IB_QPT_UC) || 36425163b274SMaor Gottlieb (qp->qp_type == IB_QPT_RAW_PACKET) || 36435163b274SMaor Gottlieb (qp->qp_type == IB_QPT_XRC_INI) || 36445163b274SMaor Gottlieb (qp->qp_type == IB_QPT_XRC_TGT)) 36455163b274SMaor Gottlieb return true; 36465163b274SMaor Gottlieb return false; 36475163b274SMaor Gottlieb } 36485163b274SMaor Gottlieb 3649cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3650cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3651cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 36525163b274SMaor Gottlieb struct ib_udata *udata) 36535163b274SMaor Gottlieb { 36545163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 36555163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 36565163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 36575163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 36585163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 36595163b274SMaor Gottlieb unsigned int tx_affinity; 36605163b274SMaor Gottlieb 3661802dcc7fSMark Zhang if (!(mlx5_ib_lag_should_assign_affinity(dev) && 3662802dcc7fSMark Zhang qp_supports_affinity(qp))) 36635163b274SMaor Gottlieb return 0; 36645163b274SMaor Gottlieb 3665cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3666cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3667cfc1a89eSMaor Gottlieb else if (init) 36685163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3669cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3670cfc1a89eSMaor Gottlieb tx_affinity = 3671cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3672cfc1a89eSMaor Gottlieb else 3673cfc1a89eSMaor Gottlieb return 0; 36745163b274SMaor Gottlieb 36755163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 36765163b274SMaor Gottlieb if (ucontext) 36775163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 36785163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 36795163b274SMaor Gottlieb else 36805163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 36815163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 36825163b274SMaor Gottlieb return tx_affinity; 3683c6a21c38SMajd Dibbiny } 3684c6a21c38SMajd Dibbiny 3685d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3686d14133ddSMark Zhang struct rdma_counter *counter) 3687d14133ddSMark Zhang { 3688d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 368964bae2d4SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; 3690d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3691d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3692d14133ddSMark Zhang u32 set_id; 369364bae2d4SLeon Romanovsky u32 *qpc; 3694d14133ddSMark Zhang 36953e1f000fSParav Pandit if (counter) 3696d14133ddSMark Zhang set_id = counter->id; 36973e1f000fSParav Pandit else 36983e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3699d14133ddSMark Zhang 3700d14133ddSMark Zhang base = &mqp->trans_qp.base; 370164bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); 370264bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); 370364bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); 370464bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opt_param_mask, 370564bae2d4SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID); 370664bae2d4SLeon Romanovsky 370764bae2d4SLeon Romanovsky qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); 370864bae2d4SLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 370964bae2d4SLeon Romanovsky return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); 3710d14133ddSMark Zhang } 3711d14133ddSMark Zhang 3712e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3713e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 371489944450SShamir Rabinovitch enum ib_qp_state cur_state, 371589944450SShamir Rabinovitch enum ib_qp_state new_state, 371689944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 371750aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp *resp, 371889944450SShamir Rabinovitch struct ib_udata *udata) 3719e126ba97SEli Cohen { 3720427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3721427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3722427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3723427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3724427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3725427c1e7bSmajd@mellanox.com }, 3726427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3727427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3728427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3729427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3730427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3731427c1e7bSmajd@mellanox.com }, 3732427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3733427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3734427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3735427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3736427c1e7bSmajd@mellanox.com }, 3737427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3738427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3739427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3740427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3741427c1e7bSmajd@mellanox.com }, 3742427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3743427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3744427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3745427c1e7bSmajd@mellanox.com }, 3746427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3747427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3748427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3749427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3750427c1e7bSmajd@mellanox.com }, 3751427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3752427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3753427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3754427c1e7bSmajd@mellanox.com } 3755427c1e7bSmajd@mellanox.com }; 3756427c1e7bSmajd@mellanox.com 3757e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3758e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 375919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3760e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3761e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3762e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3763f18e26afSLeon Romanovsky void *qpc, *pri_path, *alt_path; 3764cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 3765d14133ddSMark Zhang u32 set_id = 0; 3766e126ba97SEli Cohen int mlx5_st; 3767e126ba97SEli Cohen int err; 3768427c1e7bSmajd@mellanox.com u16 op; 376913eab21fSAviv Heller u8 tx_affinity = 0; 3770e126ba97SEli Cohen 37717aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 377255de9a77SLeon Romanovsky if (mlx5_st < 0) 377355de9a77SLeon Romanovsky return -EINVAL; 377455de9a77SLeon Romanovsky 3775f18e26afSLeon Romanovsky qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); 3776f18e26afSLeon Romanovsky if (!qpc) 3777e126ba97SEli Cohen return -ENOMEM; 3778e126ba97SEli Cohen 3779029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 3780f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 3781e126ba97SEli Cohen 3782e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3783f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3784e126ba97SEli Cohen } else { 3785e126ba97SEli Cohen switch (attr->path_mig_state) { 3786e126ba97SEli Cohen case IB_MIG_MIGRATED: 3787f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3788e126ba97SEli Cohen break; 3789e126ba97SEli Cohen case IB_MIG_REARM: 3790f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); 3791e126ba97SEli Cohen break; 3792e126ba97SEli Cohen case IB_MIG_ARMED: 3793f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); 3794e126ba97SEli Cohen break; 3795e126ba97SEli Cohen } 3796e126ba97SEli Cohen } 3797e126ba97SEli Cohen 3798cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 37995163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 38005163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 3801f18e26afSLeon Romanovsky 3802f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); 3803f18e26afSLeon Romanovsky if (tx_affinity && new_state == IB_QPS_RTR && 3804cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 3805cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 380613eab21fSAviv Heller 3807d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3808f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_256); 3809f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 8); 3810c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 38112be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3812e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3813f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); 3814f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 12); 3815e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3816e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3817e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3818e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3819e126ba97SEli Cohen err = -EINVAL; 3820e126ba97SEli Cohen goto out; 3821e126ba97SEli Cohen } 3822f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, attr->path_mtu); 3823f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 3824f18e26afSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, log_max_msg)); 3825e126ba97SEli Cohen } 3826e126ba97SEli Cohen 3827e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3828f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); 3829f18e26afSLeon Romanovsky 3830f18e26afSLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 3831f18e26afSLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 3832e126ba97SEli Cohen 3833e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3834f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); 3835e126ba97SEli Cohen 3836e126ba97SEli Cohen /* todo implement counter_index functionality */ 3837e126ba97SEli Cohen 3838e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3839f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, qp->port); 3840e126ba97SEli Cohen 3841e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3842f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); 3843e126ba97SEli Cohen 3844e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 3845f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, 3846f18e26afSLeon Romanovsky attr_mask & IB_QP_PORT ? attr->port_num : 3847f18e26afSLeon Romanovsky qp->port, 3848f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3849e126ba97SEli Cohen if (err) 3850e126ba97SEli Cohen goto out; 3851e126ba97SEli Cohen } 3852e126ba97SEli Cohen 3853e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3854f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); 3855e126ba97SEli Cohen 3856e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 3857f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, 3858f879ee8dSAchiad Shochat attr->alt_port_num, 3859f18e26afSLeon Romanovsky attr_mask | IB_QP_PKEY_INDEX | 3860f18e26afSLeon Romanovsky IB_QP_TIMEOUT, 3861f879ee8dSAchiad Shochat 0, attr, true); 3862e126ba97SEli Cohen if (err) 3863e126ba97SEli Cohen goto out; 3864e126ba97SEli Cohen } 3865e126ba97SEli Cohen 386689ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 386789ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3868e126ba97SEli Cohen 3869f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3870f18e26afSLeon Romanovsky if (send_cq) 3871f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); 3872f18e26afSLeon Romanovsky if (recv_cq) 3873f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); 3874f18e26afSLeon Romanovsky 3875f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); 3876e126ba97SEli Cohen 3877e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3878f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); 3879e126ba97SEli Cohen 3880e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3881f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); 3882e126ba97SEli Cohen 3883f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) 3884f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); 3885e126ba97SEli Cohen 3886e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3887f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); 3888e126ba97SEli Cohen 3889f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) 3890f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_rra_max, 3891f18e26afSLeon Romanovsky ilog2(attr->max_dest_rd_atomic)); 3892e126ba97SEli Cohen 3893a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3894f18e26afSLeon Romanovsky err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); 3895a60109dcSYonatan Cohen if (err) 3896a60109dcSYonatan Cohen goto out; 3897a60109dcSYonatan Cohen } 3898e126ba97SEli Cohen 3899e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3900f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); 3901e126ba97SEli Cohen 3902e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3903f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); 3904e126ba97SEli Cohen 3905e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3906f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, q_key, attr->qkey); 3907e126ba97SEli Cohen 3908e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3909f18e26afSLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 3910e126ba97SEli Cohen 39110837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 39120837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 39130837e86aSMark Bloch qp->port) - 1; 3914c2e53b2cSYishai Hadas 3915c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 39162be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 3917c2e53b2cSYishai Hadas port_num = 0; 3918c2e53b2cSYishai Hadas 3919d14133ddSMark Zhang if (ibqp->counter) 3920d14133ddSMark Zhang set_id = ibqp->counter->id; 3921d14133ddSMark Zhang else 39223e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 3923f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 39240837e86aSMark Bloch } 39250837e86aSMark Bloch 3926e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3927f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rlky, 1); 3928e126ba97SEli Cohen 39292be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3930f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, deth_sqpn, 1); 3931e126ba97SEli Cohen 3932e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3933e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3934e126ba97SEli Cohen 3935427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 39365d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 39375d414b17SDan Carpenter err = -EINVAL; 3938427c1e7bSmajd@mellanox.com goto out; 39395d414b17SDan Carpenter } 3940427c1e7bSmajd@mellanox.com 3941427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3942cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 3943e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3944ad5f8e96Smajd@mellanox.com 3945c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 39462be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 39470680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 39480680efa2SAlex Vesker 39490680efa2SAlex Vesker raw_qp_param.operation = op; 3950eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3951d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3952eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3953eb49ab0cSAlex Vesker } 39547d29f349SBodong Wang 3955d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3956d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3957d5ed8ac3SMark Bloch 39587d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 395961147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 396061147f39SBodong Wang 396161147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 396261147f39SBodong Wang if (attr->rate_limit && 396361147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 396461147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 396561147f39SBodong Wang ucmd->burst_info.max_burst_sz; 396661147f39SBodong Wang } else { 396761147f39SBodong Wang err = -EINVAL; 396861147f39SBodong Wang goto out; 396961147f39SBodong Wang } 397061147f39SBodong Wang } 397161147f39SBodong Wang 397261147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 397361147f39SBodong Wang if (attr->rate_limit && 397461147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 397561147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 397661147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 397761147f39SBodong Wang } else { 397861147f39SBodong Wang err = -EINVAL; 397961147f39SBodong Wang goto out; 398061147f39SBodong Wang } 398161147f39SBodong Wang } 398261147f39SBodong Wang 39837d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 39847d29f349SBodong Wang } 39857d29f349SBodong Wang 398613eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 39870680efa2SAlex Vesker } else { 398850aec2c3SLeon Romanovsky if (udata) { 398950aec2c3SLeon Romanovsky /* For the kernel flows, the resp will stay zero */ 399050aec2c3SLeon Romanovsky resp->ece_options = 399150aec2c3SLeon Romanovsky MLX5_CAP_GEN(dev->mdev, ece_support) ? 39925f62a521SLeon Romanovsky ucmd->ece_options : 0; 399350aec2c3SLeon Romanovsky resp->response_length = sizeof(*resp); 399450aec2c3SLeon Romanovsky } 39955f62a521SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, 399650aec2c3SLeon Romanovsky &resp->ece_options); 39970680efa2SAlex Vesker } 39980680efa2SAlex Vesker 3999e126ba97SEli Cohen if (err) 4000e126ba97SEli Cohen goto out; 4001e126ba97SEli Cohen 4002e126ba97SEli Cohen qp->state = new_state; 4003e126ba97SEli Cohen 4004e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 400519098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 4006e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 400719098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 4008e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4009e126ba97SEli Cohen qp->port = attr->port_num; 4010e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 401119098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 4012e126ba97SEli Cohen 4013e126ba97SEli Cohen /* 4014e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 4015e126ba97SEli Cohen * entries and reinitialize the QP. 4016e126ba97SEli Cohen */ 401775a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 401875a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 401919098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 4020e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 4021e126ba97SEli Cohen if (send_cq != recv_cq) 402219098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 4023e126ba97SEli Cohen 4024e126ba97SEli Cohen qp->rq.head = 0; 4025e126ba97SEli Cohen qp->rq.tail = 0; 4026e126ba97SEli Cohen qp->sq.head = 0; 4027e126ba97SEli Cohen qp->sq.tail = 0; 4028e126ba97SEli Cohen qp->sq.cur_post = 0; 402934f4c955SGuy Levi if (qp->sq.wqe_cnt) 403034f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 4031950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 4032e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 4033e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 4034e126ba97SEli Cohen } 4035e126ba97SEli Cohen 4036d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 4037d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 4038d14133ddSMark Zhang if (!err) 4039d14133ddSMark Zhang qp->counter_pending = 0; 4040d14133ddSMark Zhang } 4041d14133ddSMark Zhang 4042e126ba97SEli Cohen out: 4043f18e26afSLeon Romanovsky kfree(qpc); 4044e126ba97SEli Cohen return err; 4045e126ba97SEli Cohen } 4046e126ba97SEli Cohen 4047c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 4048c32a4f29SMoni Shoua { 4049c32a4f29SMoni Shoua if ((mask & req) != req) 4050c32a4f29SMoni Shoua return false; 4051c32a4f29SMoni Shoua 4052c32a4f29SMoni Shoua if (mask & ~(req | opt)) 4053c32a4f29SMoni Shoua return false; 4054c32a4f29SMoni Shoua 4055c32a4f29SMoni Shoua return true; 4056c32a4f29SMoni Shoua } 4057c32a4f29SMoni Shoua 4058c32a4f29SMoni Shoua /* check valid transition for driver QP types 4059c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 4060c32a4f29SMoni Shoua */ 4061c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 4062c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 4063c32a4f29SMoni Shoua { 4064c32a4f29SMoni Shoua int req = IB_QP_STATE; 4065c32a4f29SMoni Shoua int opt = 0; 4066c32a4f29SMoni Shoua 406799ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 406899ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 406999ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4070c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 4071c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4072c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 4073c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 4074c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4075c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4076c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 40775ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 4078c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4079c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4080c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4081c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 4082c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4083c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4084c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 4085c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4086c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4087c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4088c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4089c32a4f29SMoni Shoua } 4090c32a4f29SMoni Shoua return false; 4091c32a4f29SMoni Shoua } 4092c32a4f29SMoni Shoua 4093776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4094776a3906SMoni Shoua * valid transitions are: 4095776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4096776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4097776a3906SMoni Shoua * mtu, gid_index and hop_limit 4098776a3906SMoni Shoua * Other transitions and attributes are illegal 4099776a3906SMoni Shoua */ 4100776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4101a645a89dSLeon Romanovsky int attr_mask, struct mlx5_ib_modify_qp *ucmd, 4102a645a89dSLeon Romanovsky struct ib_udata *udata) 4103776a3906SMoni Shoua { 4104776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4105776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4106776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4107776a3906SMoni Shoua int err = 0; 4108776a3906SMoni Shoua int required = IB_QP_STATE; 4109776a3906SMoni Shoua void *dctc; 4110776a3906SMoni Shoua 4111776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4112776a3906SMoni Shoua return -EINVAL; 4113776a3906SMoni Shoua 4114776a3906SMoni Shoua cur_state = qp->state; 4115776a3906SMoni Shoua new_state = attr->qp_state; 4116776a3906SMoni Shoua 4117776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4118a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) 4119a645a89dSLeon Romanovsky /* 4120a645a89dSLeon Romanovsky * DCT doesn't initialize QP till modify command is executed, 4121a645a89dSLeon Romanovsky * so we need to overwrite previously set ECE field if user 4122a645a89dSLeon Romanovsky * provided any value except zero, which means not set/not 4123a645a89dSLeon Romanovsky * valid. 4124a645a89dSLeon Romanovsky */ 4125a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 4126a645a89dSLeon Romanovsky 4127776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 41283e1f000fSParav Pandit u16 set_id; 41293e1f000fSParav Pandit 4130776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4131776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4132776a3906SMoni Shoua return -EINVAL; 4133776a3906SMoni Shoua 4134776a3906SMoni Shoua if (attr->port_num == 0 || 4135776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4136776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4137776a3906SMoni Shoua attr->port_num, dev->num_ports); 4138776a3906SMoni Shoua return -EINVAL; 4139776a3906SMoni Shoua } 4140776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4141776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4142776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4143776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4144776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4145a60109dcSYonatan Cohen int atomic_mode; 4146a60109dcSYonatan Cohen 4147a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4148a60109dcSYonatan Cohen if (atomic_mode < 0) 4149776a3906SMoni Shoua return -EOPNOTSUPP; 4150a60109dcSYonatan Cohen 4151a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4152776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4153776a3906SMoni Shoua } 4154776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 4155776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 41563e1f000fSParav Pandit 41573e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 41583e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4159776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4160776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4161a645a89dSLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; 4162a645a89dSLeon Romanovsky u32 min_resp_len = offsetofend(typeof(resp), dctn); 4163776a3906SMoni Shoua 4164776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4165776a3906SMoni Shoua return -EINVAL; 4166776a3906SMoni Shoua resp.response_length = min_resp_len; 4167776a3906SMoni Shoua 4168a645a89dSLeon Romanovsky /* 4169a645a89dSLeon Romanovsky * If we don't have enough space for the ECE options, 4170a645a89dSLeon Romanovsky * simply indicate it with resp.response_length. 4171a645a89dSLeon Romanovsky */ 4172a645a89dSLeon Romanovsky resp.response_length = (udata->outlen < sizeof(resp)) ? 4173a645a89dSLeon Romanovsky min_resp_len : 4174a645a89dSLeon Romanovsky sizeof(resp); 4175a645a89dSLeon Romanovsky 4176776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4177776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4178776a3906SMoni Shoua return -EINVAL; 4179776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4180776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4181776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4182776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4183776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4184776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4185776a3906SMoni Shoua 4186333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4187c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4188c5ae1954SYishai Hadas sizeof(out)); 4189776a3906SMoni Shoua if (err) 4190776a3906SMoni Shoua return err; 4191776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4192a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 4193a645a89dSLeon Romanovsky resp.ece_options = MLX5_GET(create_dct_out, out, ece); 4194776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4195776a3906SMoni Shoua if (err) { 4196333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4197776a3906SMoni Shoua return err; 4198776a3906SMoni Shoua } 4199776a3906SMoni Shoua } else { 4200776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4201776a3906SMoni Shoua return -EINVAL; 4202776a3906SMoni Shoua } 4203776a3906SMoni Shoua if (err) 4204776a3906SMoni Shoua qp->state = IB_QPS_ERR; 4205776a3906SMoni Shoua else 4206776a3906SMoni Shoua qp->state = new_state; 4207776a3906SMoni Shoua return err; 4208776a3906SMoni Shoua } 4209776a3906SMoni Shoua 4210e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4211e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4212e126ba97SEli Cohen { 4213e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 421450aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp resp = {}; 4215e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 421661147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4217d16e91daSHaggai Eran enum ib_qp_type qp_type; 4218e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 4219e126ba97SEli Cohen int err = -EINVAL; 4220e126ba97SEli Cohen int port; 4221e126ba97SEli Cohen 422228d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 422328d61370SYishai Hadas return -ENOSYS; 422428d61370SYishai Hadas 422561147f39SBodong Wang if (udata && udata->inlen) { 42265f62a521SLeon Romanovsky if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) 422761147f39SBodong Wang return -EINVAL; 422861147f39SBodong Wang 422961147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 423061147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 423161147f39SBodong Wang udata->inlen - sizeof(ucmd))) 423261147f39SBodong Wang return -EOPNOTSUPP; 423361147f39SBodong Wang 423461147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 423561147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 423661147f39SBodong Wang return -EFAULT; 423761147f39SBodong Wang 423861147f39SBodong Wang if (ucmd.comp_mask || 423961147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 424061147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 424161147f39SBodong Wang return -EOPNOTSUPP; 42425f62a521SLeon Romanovsky 424361147f39SBodong Wang } 424461147f39SBodong Wang 4245d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4246d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4247d16e91daSHaggai Eran 42487aede1a2SLeon Romanovsky qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? IB_QPT_GSI : 42497aede1a2SLeon Romanovsky qp->type; 4250d16e91daSHaggai Eran 4251a645a89dSLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 4252a645a89dSLeon Romanovsky return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); 4253c32a4f29SMoni Shoua 4254e126ba97SEli Cohen mutex_lock(&qp->mutex); 4255e126ba97SEli Cohen 4256e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4257e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4258e126ba97SEli Cohen 42592811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 42602811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 42612811ba51SAchiad Shochat } 42622811ba51SAchiad Shochat 42632be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4264c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4265c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4266c2e53b2cSYishai Hadas attr_mask); 4267c2e53b2cSYishai Hadas goto out; 4268c2e53b2cSYishai Hadas } 4269c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4270c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4271d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4272d31131bbSKamal Heib attr_mask)) { 4273158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4274158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4275e126ba97SEli Cohen goto out; 4276c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4277c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4278c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4279c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4280c32a4f29SMoni Shoua goto out; 4281158abf86SHaggai Eran } 4282e126ba97SEli Cohen 4283e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4284938fe83cSSaeed Mahameed (attr->port_num == 0 || 4285508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4286158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4287158abf86SHaggai Eran attr->port_num, dev->num_ports); 4288e126ba97SEli Cohen goto out; 4289158abf86SHaggai Eran } 4290e126ba97SEli Cohen 4291e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4292e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4293938fe83cSSaeed Mahameed if (attr->pkey_index >= 4294158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4295158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4296158abf86SHaggai Eran attr->pkey_index); 4297e126ba97SEli Cohen goto out; 4298e126ba97SEli Cohen } 4299158abf86SHaggai Eran } 4300e126ba97SEli Cohen 4301e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4302938fe83cSSaeed Mahameed attr->max_rd_atomic > 4303158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4304158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4305158abf86SHaggai Eran attr->max_rd_atomic); 4306e126ba97SEli Cohen goto out; 4307158abf86SHaggai Eran } 4308e126ba97SEli Cohen 4309e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4310938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4311158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4312158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4313158abf86SHaggai Eran attr->max_dest_rd_atomic); 4314e126ba97SEli Cohen goto out; 4315158abf86SHaggai Eran } 4316e126ba97SEli Cohen 4317e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4318e126ba97SEli Cohen err = 0; 4319e126ba97SEli Cohen goto out; 4320e126ba97SEli Cohen } 4321e126ba97SEli Cohen 432261147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 432350aec2c3SLeon Romanovsky new_state, &ucmd, &resp, udata); 432450aec2c3SLeon Romanovsky 432550aec2c3SLeon Romanovsky /* resp.response_length is set in ECE supported flows only */ 432650aec2c3SLeon Romanovsky if (!err && resp.response_length && 432750aec2c3SLeon Romanovsky udata->outlen >= resp.response_length) 43286512f11dSLeon Romanovsky /* Return -EFAULT to the user and expect him to destroy QP. */ 43296512f11dSLeon Romanovsky err = ib_copy_to_udata(udata, &resp, resp.response_length); 4330e126ba97SEli Cohen 4331e126ba97SEli Cohen out: 4332e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4333e126ba97SEli Cohen return err; 4334e126ba97SEli Cohen } 4335e126ba97SEli Cohen 4336e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4337e126ba97SEli Cohen { 4338e126ba97SEli Cohen switch (mlx5_state) { 4339e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4340e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4341e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4342e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4343e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4344e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4345e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4346e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4347e126ba97SEli Cohen default: return -1; 4348e126ba97SEli Cohen } 4349e126ba97SEli Cohen } 4350e126ba97SEli Cohen 4351e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4352e126ba97SEli Cohen { 4353e126ba97SEli Cohen switch (mlx5_mig_state) { 4354e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4355e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4356e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4357e126ba97SEli Cohen default: return -1; 4358e126ba97SEli Cohen } 4359e126ba97SEli Cohen } 4360e126ba97SEli Cohen 436138349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 436270bd7fb8SLeon Romanovsky struct rdma_ah_attr *ah_attr, void *path) 4363e126ba97SEli Cohen { 436470bd7fb8SLeon Romanovsky int port = MLX5_GET(ads, path, vhca_port_num); 436570bd7fb8SLeon Romanovsky int static_rate; 4366e126ba97SEli Cohen 4367d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4368e126ba97SEli Cohen 436970bd7fb8SLeon Romanovsky if (!port || port > ibdev->num_ports) 4370e126ba97SEli Cohen return; 4371e126ba97SEli Cohen 437270bd7fb8SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); 4373ae59c3f0SLeon Romanovsky 437470bd7fb8SLeon Romanovsky rdma_ah_set_port_num(ah_attr, port); 437570bd7fb8SLeon Romanovsky rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); 4376e126ba97SEli Cohen 437770bd7fb8SLeon Romanovsky rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); 437870bd7fb8SLeon Romanovsky rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); 43792d7e3ff7SAharon Landau 438070bd7fb8SLeon Romanovsky static_rate = MLX5_GET(ads, path, stat_rate); 438170bd7fb8SLeon Romanovsky rdma_ah_set_static_rate(ah_attr, static_rate ? static_rate - 5 : 0); 438270bd7fb8SLeon Romanovsky if (MLX5_GET(ads, path, grh) || 43832d7e3ff7SAharon Landau ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { 438470bd7fb8SLeon Romanovsky rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), 438570bd7fb8SLeon Romanovsky MLX5_GET(ads, path, src_addr_index), 438670bd7fb8SLeon Romanovsky MLX5_GET(ads, path, hop_limit), 438770bd7fb8SLeon Romanovsky MLX5_GET(ads, path, tclass)); 438870bd7fb8SLeon Romanovsky memcpy(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip), 438970bd7fb8SLeon Romanovsky MLX5_FLD_SZ_BYTES(ads, rgid_rip)); 4390e126ba97SEli Cohen } 4391e126ba97SEli Cohen } 4392e126ba97SEli Cohen 43936d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43946d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 43956d2f89dfSmajd@mellanox.com u8 *sq_state) 4396e126ba97SEli Cohen { 43976d2f89dfSmajd@mellanox.com int err; 43986d2f89dfSmajd@mellanox.com 439928160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 44006d2f89dfSmajd@mellanox.com if (err) 44016d2f89dfSmajd@mellanox.com goto out; 44026d2f89dfSmajd@mellanox.com sq->state = *sq_state; 44036d2f89dfSmajd@mellanox.com 44046d2f89dfSmajd@mellanox.com out: 44056d2f89dfSmajd@mellanox.com return err; 44066d2f89dfSmajd@mellanox.com } 44076d2f89dfSmajd@mellanox.com 44086d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 44096d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 44106d2f89dfSmajd@mellanox.com u8 *rq_state) 44116d2f89dfSmajd@mellanox.com { 44126d2f89dfSmajd@mellanox.com void *out; 44136d2f89dfSmajd@mellanox.com void *rqc; 44146d2f89dfSmajd@mellanox.com int inlen; 44156d2f89dfSmajd@mellanox.com int err; 44166d2f89dfSmajd@mellanox.com 44176d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 44181b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 44196d2f89dfSmajd@mellanox.com if (!out) 44206d2f89dfSmajd@mellanox.com return -ENOMEM; 44216d2f89dfSmajd@mellanox.com 44226d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 44236d2f89dfSmajd@mellanox.com if (err) 44246d2f89dfSmajd@mellanox.com goto out; 44256d2f89dfSmajd@mellanox.com 44266d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 44276d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 44286d2f89dfSmajd@mellanox.com rq->state = *rq_state; 44296d2f89dfSmajd@mellanox.com 44306d2f89dfSmajd@mellanox.com out: 44316d2f89dfSmajd@mellanox.com kvfree(out); 44326d2f89dfSmajd@mellanox.com return err; 44336d2f89dfSmajd@mellanox.com } 44346d2f89dfSmajd@mellanox.com 44356d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 44366d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 44376d2f89dfSmajd@mellanox.com { 44386d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 44396d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 44406d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44416d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44426d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 44436d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 44446d2f89dfSmajd@mellanox.com }, 44456d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 44466d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44476d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44486d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 44496d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 44506d2f89dfSmajd@mellanox.com }, 44516d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 44526d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44536d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44546d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 44556d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 44566d2f89dfSmajd@mellanox.com }, 44576d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 44586d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44596d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44606d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 44616d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 44626d2f89dfSmajd@mellanox.com }, 44636d2f89dfSmajd@mellanox.com }; 44646d2f89dfSmajd@mellanox.com 44656d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 44666d2f89dfSmajd@mellanox.com 44676d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 44686d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 44696d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 44706d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 44716d2f89dfSmajd@mellanox.com return -EINVAL; 44726d2f89dfSmajd@mellanox.com } 44736d2f89dfSmajd@mellanox.com 44746d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 44756d2f89dfSmajd@mellanox.com *qp_state = qp->state; 44766d2f89dfSmajd@mellanox.com 44776d2f89dfSmajd@mellanox.com return 0; 44786d2f89dfSmajd@mellanox.com } 44796d2f89dfSmajd@mellanox.com 44806d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 44816d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 44826d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 44836d2f89dfSmajd@mellanox.com { 44846d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 44856d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 44866d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 44876d2f89dfSmajd@mellanox.com int err; 44886d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44896d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44906d2f89dfSmajd@mellanox.com 44916d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 44926d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 44936d2f89dfSmajd@mellanox.com if (err) 44946d2f89dfSmajd@mellanox.com return err; 44956d2f89dfSmajd@mellanox.com } 44966d2f89dfSmajd@mellanox.com 44976d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 44986d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 44996d2f89dfSmajd@mellanox.com if (err) 45006d2f89dfSmajd@mellanox.com return err; 45016d2f89dfSmajd@mellanox.com } 45026d2f89dfSmajd@mellanox.com 45036d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 45046d2f89dfSmajd@mellanox.com raw_packet_qp_state); 45056d2f89dfSmajd@mellanox.com } 45066d2f89dfSmajd@mellanox.com 45076d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 45086d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 45096d2f89dfSmajd@mellanox.com { 451009a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 451170bd7fb8SLeon Romanovsky void *qpc, *pri_path, *alt_path; 451209a7d9ecSSaeed Mahameed u32 *outb; 451370bd7fb8SLeon Romanovsky int err; 4514e126ba97SEli Cohen 451509a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 45166d2f89dfSmajd@mellanox.com if (!outb) 45176d2f89dfSmajd@mellanox.com return -ENOMEM; 45186d2f89dfSmajd@mellanox.com 4519333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4520e126ba97SEli Cohen if (err) 45216d2f89dfSmajd@mellanox.com goto out; 4522e126ba97SEli Cohen 452370bd7fb8SLeon Romanovsky qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); 452409a7d9ecSSaeed Mahameed 452570bd7fb8SLeon Romanovsky qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); 452670bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) 452770bd7fb8SLeon Romanovsky qp_attr->sq_draining = 1; 4528e126ba97SEli Cohen 452970bd7fb8SLeon Romanovsky qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); 453070bd7fb8SLeon Romanovsky qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); 453170bd7fb8SLeon Romanovsky qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); 453270bd7fb8SLeon Romanovsky qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); 453370bd7fb8SLeon Romanovsky qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); 453470bd7fb8SLeon Romanovsky qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); 453570bd7fb8SLeon Romanovsky 453670bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rre)) 453770bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; 453870bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rwe)) 453970bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; 454070bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rae)) 454170bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; 454270bd7fb8SLeon Romanovsky 454370bd7fb8SLeon Romanovsky qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); 454470bd7fb8SLeon Romanovsky qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); 454570bd7fb8SLeon Romanovsky qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); 454670bd7fb8SLeon Romanovsky qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); 454770bd7fb8SLeon Romanovsky qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); 454870bd7fb8SLeon Romanovsky 454970bd7fb8SLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 455070bd7fb8SLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4551e126ba97SEli Cohen 4552e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 455370bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); 455470bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); 455570bd7fb8SLeon Romanovsky qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); 455670bd7fb8SLeon Romanovsky qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); 4557e126ba97SEli Cohen } 4558e126ba97SEli Cohen 455970bd7fb8SLeon Romanovsky qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); 456070bd7fb8SLeon Romanovsky qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); 456170bd7fb8SLeon Romanovsky qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); 456270bd7fb8SLeon Romanovsky qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); 45636d2f89dfSmajd@mellanox.com 45646d2f89dfSmajd@mellanox.com out: 45656d2f89dfSmajd@mellanox.com kfree(outb); 45666d2f89dfSmajd@mellanox.com return err; 45676d2f89dfSmajd@mellanox.com } 45686d2f89dfSmajd@mellanox.com 4569776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4570776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4571776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4572776a3906SMoni Shoua { 4573776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4574776a3906SMoni Shoua u32 *out; 4575776a3906SMoni Shoua u32 access_flags = 0; 4576776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4577776a3906SMoni Shoua void *dctc; 4578776a3906SMoni Shoua int err; 4579776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4580776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4581776a3906SMoni Shoua IB_QP_PORT | 4582776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4583776a3906SMoni Shoua IB_QP_AV | 4584776a3906SMoni Shoua IB_QP_PATH_MTU | 4585776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4586776a3906SMoni Shoua 4587776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4588776a3906SMoni Shoua return -EINVAL; 4589776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4590776a3906SMoni Shoua return -EINVAL; 4591776a3906SMoni Shoua 4592776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4593776a3906SMoni Shoua if (!out) 4594776a3906SMoni Shoua return -ENOMEM; 4595776a3906SMoni Shoua 4596333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4597776a3906SMoni Shoua if (err) 4598776a3906SMoni Shoua goto out; 4599776a3906SMoni Shoua 4600776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4601776a3906SMoni Shoua 4602776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4603776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4604776a3906SMoni Shoua 4605776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4606776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4607776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4608776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4609776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4610776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4611776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4612776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4613776a3906SMoni Shoua } 4614776a3906SMoni Shoua 4615776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4616776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4617776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4618776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4619776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4620776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4621776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4622776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4623776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4624776a3906SMoni Shoua } 4625776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4626776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4627776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4628776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4629776a3906SMoni Shoua out: 4630776a3906SMoni Shoua kfree(out); 4631776a3906SMoni Shoua return err; 4632776a3906SMoni Shoua } 4633776a3906SMoni Shoua 46346d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 46356d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 46366d2f89dfSmajd@mellanox.com { 46376d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 46386d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 46396d2f89dfSmajd@mellanox.com int err = 0; 46406d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 46416d2f89dfSmajd@mellanox.com 464228d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 464328d61370SYishai Hadas return -ENOSYS; 464428d61370SYishai Hadas 4645d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4646d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4647d16e91daSHaggai Eran qp_init_attr); 4648d16e91daSHaggai Eran 4649c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4650c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4651c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4652c2e53b2cSYishai Hadas 46537aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4654776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4655776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4656776a3906SMoni Shoua 46576d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 46586d2f89dfSmajd@mellanox.com 4659c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 46602be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 46616d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 46626d2f89dfSmajd@mellanox.com if (err) 46636d2f89dfSmajd@mellanox.com goto out; 46646d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 46656d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 46666d2f89dfSmajd@mellanox.com } else { 46676d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 46686d2f89dfSmajd@mellanox.com if (err) 46696d2f89dfSmajd@mellanox.com goto out; 46706d2f89dfSmajd@mellanox.com } 46716d2f89dfSmajd@mellanox.com 46726d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4673e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4674e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4675e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4676e126ba97SEli Cohen 4677e126ba97SEli Cohen if (!ibqp->uobject) { 46780540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4679e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 46800540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4681e126ba97SEli Cohen } else { 4682e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4683e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4684e126ba97SEli Cohen } 4685e126ba97SEli Cohen 46860540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46870540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46880540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46890540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46900540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4691e126ba97SEli Cohen 4692e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4693e126ba97SEli Cohen 4694a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4695051f2630SLeon Romanovsky 4696e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4697e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4698e126ba97SEli Cohen 4699e126ba97SEli Cohen out: 4700e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4701e126ba97SEli Cohen return err; 4702e126ba97SEli Cohen } 4703e126ba97SEli Cohen 470428ad5f65SLeon Romanovsky int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) 4705e126ba97SEli Cohen { 470628ad5f65SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); 470728ad5f65SLeon Romanovsky struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); 4708e126ba97SEli Cohen 4709938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 471028ad5f65SLeon Romanovsky return -EOPNOTSUPP; 4711e126ba97SEli Cohen 471228ad5f65SLeon Romanovsky return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 4713e126ba97SEli Cohen } 4714e126ba97SEli Cohen 471528ad5f65SLeon Romanovsky void mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 4716e126ba97SEli Cohen { 4717e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4718e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4719e126ba97SEli Cohen 472028ad5f65SLeon Romanovsky mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 4721e126ba97SEli Cohen } 472279b20a6cSYishai Hadas 4723350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4724350d0e4cSYishai Hadas { 4725350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4726350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4727350d0e4cSYishai Hadas struct ib_event event; 4728350d0e4cSYishai Hadas 4729350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4730350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4731350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4732350d0e4cSYishai Hadas switch (type) { 4733350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4734350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4735350d0e4cSYishai Hadas break; 4736350d0e4cSYishai Hadas default: 4737350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4738350d0e4cSYishai Hadas return; 4739350d0e4cSYishai Hadas } 4740350d0e4cSYishai Hadas 4741350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4742350d0e4cSYishai Hadas } 4743350d0e4cSYishai Hadas } 4744350d0e4cSYishai Hadas 474503404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 474603404e8aSMaor Gottlieb { 474703404e8aSMaor Gottlieb int err = 0; 474803404e8aSMaor Gottlieb 474903404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 475003404e8aSMaor Gottlieb if (dev->delay_drop.activate) 475103404e8aSMaor Gottlieb goto out; 475203404e8aSMaor Gottlieb 4753333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 475403404e8aSMaor Gottlieb if (err) 475503404e8aSMaor Gottlieb goto out; 475603404e8aSMaor Gottlieb 475703404e8aSMaor Gottlieb dev->delay_drop.activate = true; 475803404e8aSMaor Gottlieb out: 475903404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4760fe248c3aSMaor Gottlieb 4761fe248c3aSMaor Gottlieb if (!err) 4762fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 476303404e8aSMaor Gottlieb return err; 476403404e8aSMaor Gottlieb } 476503404e8aSMaor Gottlieb 476679b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 476779b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 476879b20a6cSYishai Hadas { 476979b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 47704be6da1eSNoa Osherovich int has_net_offloads; 477179b20a6cSYishai Hadas __be64 *rq_pas0; 477279b20a6cSYishai Hadas void *in; 477379b20a6cSYishai Hadas void *rqc; 477479b20a6cSYishai Hadas void *wq; 477579b20a6cSYishai Hadas int inlen; 477679b20a6cSYishai Hadas int err; 477779b20a6cSYishai Hadas 477879b20a6cSYishai Hadas dev = to_mdev(pd->device); 477979b20a6cSYishai Hadas 478079b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 47811b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 478279b20a6cSYishai Hadas if (!in) 478379b20a6cSYishai Hadas return -ENOMEM; 478479b20a6cSYishai Hadas 478534d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 478679b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 478779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 478879b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 478979b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 479079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 479179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 479279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 479379b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4794ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4795ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4796ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4797b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4798b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4799b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4800b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4801b1383aa6SNoa Osherovich goto out; 4802b1383aa6SNoa Osherovich } else { 480379b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4804b1383aa6SNoa Osherovich } 4805b1383aa6SNoa Osherovich } 480679b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4807ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4808c16339b6SMark Zhang /* 4809c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 4810c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 4811c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 4812c16339b6SMark Zhang * accepted as 0 to 9 4813c16339b6SMark Zhang */ 4814c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 4815c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 4816ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4817ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4818ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4819ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4820c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 4821c16339b6SMark Zhang fw_map[rwq->log_num_strides - 4822c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 4823ccc87087SNoa Osherovich } 482479b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 482579b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 482679b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 482779b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 482879b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 482979b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 48304be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4831b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 48324be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4833b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4834b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4835b1f74a84SNoa Osherovich goto out; 4836b1f74a84SNoa Osherovich } 4837b1f74a84SNoa Osherovich } else { 4838b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4839b1f74a84SNoa Osherovich } 48404be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 48414be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 48424be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 48434be6da1eSNoa Osherovich err = -EOPNOTSUPP; 48444be6da1eSNoa Osherovich goto out; 48454be6da1eSNoa Osherovich } 48464be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 48474be6da1eSNoa Osherovich } 484803404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 484903404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 485003404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 485103404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 485203404e8aSMaor Gottlieb err = -EOPNOTSUPP; 485303404e8aSMaor Gottlieb goto out; 485403404e8aSMaor Gottlieb } 485503404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 485603404e8aSMaor Gottlieb } 485779b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 485879b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4859333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 486003404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 486103404e8aSMaor Gottlieb err = set_delay_drop(dev); 486203404e8aSMaor Gottlieb if (err) { 486303404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 486403404e8aSMaor Gottlieb err); 4865333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 486603404e8aSMaor Gottlieb } else { 486703404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 486803404e8aSMaor Gottlieb } 486903404e8aSMaor Gottlieb } 4870b1f74a84SNoa Osherovich out: 487179b20a6cSYishai Hadas kvfree(in); 487279b20a6cSYishai Hadas return err; 487379b20a6cSYishai Hadas } 487479b20a6cSYishai Hadas 487579b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 487679b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 487779b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 487879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 487979b20a6cSYishai Hadas { 488079b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 488179b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 488279b20a6cSYishai Hadas return -EINVAL; 488379b20a6cSYishai Hadas 488479b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 488579b20a6cSYishai Hadas return -EINVAL; 488679b20a6cSYishai Hadas 488779b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 488879b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 48890dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 48900dfe4522SLeon Romanovsky return -EINVAL; 48910dfe4522SLeon Romanovsky 489279b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 489379b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 489479b20a6cSYishai Hadas return 0; 489579b20a6cSYishai Hadas } 489679b20a6cSYishai Hadas 4897c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 4898c16339b6SMark Zhang { 4899c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 4900c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4901c16339b6SMark Zhang return false; 4902c16339b6SMark Zhang 4903c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 4904c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4905c16339b6SMark Zhang return false; 4906c16339b6SMark Zhang 4907c16339b6SMark Zhang return true; 4908c16339b6SMark Zhang } 4909c16339b6SMark Zhang 491079b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 491179b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 491279b20a6cSYishai Hadas struct ib_udata *udata, 491379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 491479b20a6cSYishai Hadas { 491579b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 491679b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 491779b20a6cSYishai Hadas int err; 491879b20a6cSYishai Hadas size_t required_cmd_sz; 491979b20a6cSYishai Hadas 4920ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 4921ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 492279b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 492379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 492479b20a6cSYishai Hadas return -EINVAL; 492579b20a6cSYishai Hadas } 492679b20a6cSYishai Hadas 492779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 492879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 492979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 493079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 493179b20a6cSYishai Hadas return -EOPNOTSUPP; 493279b20a6cSYishai Hadas } 493379b20a6cSYishai Hadas 493479b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 493579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 493679b20a6cSYishai Hadas return -EFAULT; 493779b20a6cSYishai Hadas } 493879b20a6cSYishai Hadas 4939ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 494079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 494179b20a6cSYishai Hadas return -EOPNOTSUPP; 4942ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 4943ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 4944ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 494579b20a6cSYishai Hadas return -EOPNOTSUPP; 494679b20a6cSYishai Hadas } 4947ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 4948ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 4949ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 4950ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 4951ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 4952ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 4953ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 4954ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 4955ccc87087SNoa Osherovich return -EINVAL; 4956ccc87087SNoa Osherovich } 4957c16339b6SMark Zhang if (!log_of_strides_valid(dev, 4958c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 4959c16339b6SMark Zhang mlx5_ib_dbg( 4960c16339b6SMark Zhang dev, 4961c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 4962ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 4963c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 4964c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 4965ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 4966ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 4967ccc87087SNoa Osherovich return -EINVAL; 4968ccc87087SNoa Osherovich } 4969ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 4970ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 4971ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 4972ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 4973ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 4974ccc87087SNoa Osherovich } 497579b20a6cSYishai Hadas 497679b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 497779b20a6cSYishai Hadas if (err) { 497879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 497979b20a6cSYishai Hadas return err; 498079b20a6cSYishai Hadas } 498179b20a6cSYishai Hadas 4982b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 498379b20a6cSYishai Hadas if (err) { 498479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 498579b20a6cSYishai Hadas return err; 498679b20a6cSYishai Hadas } 498779b20a6cSYishai Hadas 498879b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 498979b20a6cSYishai Hadas return 0; 499079b20a6cSYishai Hadas } 499179b20a6cSYishai Hadas 499279b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 499379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 499479b20a6cSYishai Hadas struct ib_udata *udata) 499579b20a6cSYishai Hadas { 499679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 499779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 499879b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 499979b20a6cSYishai Hadas size_t min_resp_len; 500079b20a6cSYishai Hadas int err; 500179b20a6cSYishai Hadas 500279b20a6cSYishai Hadas if (!udata) 500379b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 500479b20a6cSYishai Hadas 500579b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 500679b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 500779b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 500879b20a6cSYishai Hadas 5009ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 5010ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 5011ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 5012ba80013fSMaor Gottlieb 501379b20a6cSYishai Hadas dev = to_mdev(pd->device); 501479b20a6cSYishai Hadas switch (init_attr->wq_type) { 501579b20a6cSYishai Hadas case IB_WQT_RQ: 501679b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 501779b20a6cSYishai Hadas if (!rwq) 501879b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 501979b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 502079b20a6cSYishai Hadas if (err) 502179b20a6cSYishai Hadas goto err; 502279b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 502379b20a6cSYishai Hadas if (err) 502479b20a6cSYishai Hadas goto err_user_rq; 502579b20a6cSYishai Hadas break; 502679b20a6cSYishai Hadas default: 502779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 502879b20a6cSYishai Hadas init_attr->wq_type); 502979b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 503079b20a6cSYishai Hadas } 503179b20a6cSYishai Hadas 5032350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 503379b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 503479b20a6cSYishai Hadas if (udata->outlen) { 503579b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 503679b20a6cSYishai Hadas sizeof(resp.response_length); 503779b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 503879b20a6cSYishai Hadas if (err) 503979b20a6cSYishai Hadas goto err_copy; 504079b20a6cSYishai Hadas } 504179b20a6cSYishai Hadas 5042350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5043350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 504479b20a6cSYishai Hadas return &rwq->ibwq; 504579b20a6cSYishai Hadas 504679b20a6cSYishai Hadas err_copy: 5047333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 504879b20a6cSYishai Hadas err_user_rq: 5049bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 505079b20a6cSYishai Hadas err: 505179b20a6cSYishai Hadas kfree(rwq); 505279b20a6cSYishai Hadas return ERR_PTR(err); 505379b20a6cSYishai Hadas } 505479b20a6cSYishai Hadas 5055a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 505679b20a6cSYishai Hadas { 505779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 505879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 505979b20a6cSYishai Hadas 5060333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 5061bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 506279b20a6cSYishai Hadas kfree(rwq); 506379b20a6cSYishai Hadas } 506479b20a6cSYishai Hadas 5065c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 5066c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5067c5f90929SYishai Hadas struct ib_udata *udata) 5068c5f90929SYishai Hadas { 5069c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5070c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5071c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5072c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5073c5f90929SYishai Hadas size_t min_resp_len; 5074c5f90929SYishai Hadas int inlen; 5075c5f90929SYishai Hadas int err; 5076c5f90929SYishai Hadas int i; 5077c5f90929SYishai Hadas u32 *in; 5078c5f90929SYishai Hadas void *rqtc; 5079c5f90929SYishai Hadas 5080c5f90929SYishai Hadas if (udata->inlen > 0 && 5081c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5082c5f90929SYishai Hadas udata->inlen)) 5083c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5084c5f90929SYishai Hadas 5085efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5086efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5087efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5088efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5089efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5090efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5091efd7f400SMaor Gottlieb } 5092efd7f400SMaor Gottlieb 5093c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5094c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5095c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5096c5f90929SYishai Hadas 5097c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5098c5f90929SYishai Hadas if (!rwq_ind_tbl) 5099c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5100c5f90929SYishai Hadas 5101c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 51021b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5103c5f90929SYishai Hadas if (!in) { 5104c5f90929SYishai Hadas err = -ENOMEM; 5105c5f90929SYishai Hadas goto err; 5106c5f90929SYishai Hadas } 5107c5f90929SYishai Hadas 5108c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5109c5f90929SYishai Hadas 5110c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5111c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5112c5f90929SYishai Hadas 5113c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5114c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5115c5f90929SYishai Hadas 51165deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 51175deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 51185deba86eSYishai Hadas 5119c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5120c5f90929SYishai Hadas kvfree(in); 5121c5f90929SYishai Hadas 5122c5f90929SYishai Hadas if (err) 5123c5f90929SYishai Hadas goto err; 5124c5f90929SYishai Hadas 5125c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5126c5f90929SYishai Hadas if (udata->outlen) { 5127c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5128c5f90929SYishai Hadas sizeof(resp.response_length); 5129c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5130c5f90929SYishai Hadas if (err) 5131c5f90929SYishai Hadas goto err_copy; 5132c5f90929SYishai Hadas } 5133c5f90929SYishai Hadas 5134c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5135c5f90929SYishai Hadas 5136c5f90929SYishai Hadas err_copy: 51375deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5138c5f90929SYishai Hadas err: 5139c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5140c5f90929SYishai Hadas return ERR_PTR(err); 5141c5f90929SYishai Hadas } 5142c5f90929SYishai Hadas 5143c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5144c5f90929SYishai Hadas { 5145c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5146c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5147c5f90929SYishai Hadas 51485deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5149c5f90929SYishai Hadas 5150c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5151c5f90929SYishai Hadas return 0; 5152c5f90929SYishai Hadas } 5153c5f90929SYishai Hadas 515479b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 515579b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 515679b20a6cSYishai Hadas { 515779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 515879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 515979b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 516079b20a6cSYishai Hadas size_t required_cmd_sz; 516179b20a6cSYishai Hadas int curr_wq_state; 516279b20a6cSYishai Hadas int wq_state; 516379b20a6cSYishai Hadas int inlen; 516479b20a6cSYishai Hadas int err; 516579b20a6cSYishai Hadas void *rqc; 516679b20a6cSYishai Hadas void *in; 516779b20a6cSYishai Hadas 516879b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 516979b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 517079b20a6cSYishai Hadas return -EINVAL; 517179b20a6cSYishai Hadas 517279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 517379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 517479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 517579b20a6cSYishai Hadas return -EOPNOTSUPP; 517679b20a6cSYishai Hadas 517779b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 517879b20a6cSYishai Hadas return -EFAULT; 517979b20a6cSYishai Hadas 518079b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 518179b20a6cSYishai Hadas return -EOPNOTSUPP; 518279b20a6cSYishai Hadas 518379b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 51841b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 518579b20a6cSYishai Hadas if (!in) 518679b20a6cSYishai Hadas return -ENOMEM; 518779b20a6cSYishai Hadas 518879b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 518979b20a6cSYishai Hadas 519079b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 519179b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 519279b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 519379b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 519479b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 519579b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 519679b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 519779b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 519879b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 519934d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 520079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 520179b20a6cSYishai Hadas 5202b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5203b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5204b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5205b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5206b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5207b1f74a84SNoa Osherovich "supported\n"); 5208b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5209b1f74a84SNoa Osherovich goto out; 5210b1f74a84SNoa Osherovich } 5211b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5212b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5213b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5214b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5215b1f74a84SNoa Osherovich } 5216b1383aa6SNoa Osherovich 5217b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5218b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5219b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5220b1383aa6SNoa Osherovich goto out; 5221b1383aa6SNoa Osherovich } 5222b1f74a84SNoa Osherovich } 5223b1f74a84SNoa Osherovich 522423a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 52253e1f000fSParav Pandit u16 set_id; 52263e1f000fSParav Pandit 52273e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 522823a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 522923a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 523023a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 52313e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 523223a6964eSMajd Dibbiny } else 52335a738b5dSJason Gunthorpe dev_info_once( 52345a738b5dSJason Gunthorpe &dev->ib_dev.dev, 52355a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 523623a6964eSMajd Dibbiny } 523723a6964eSMajd Dibbiny 5238e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 523979b20a6cSYishai Hadas if (!err) 524079b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 524179b20a6cSYishai Hadas 5242b1f74a84SNoa Osherovich out: 5243b1f74a84SNoa Osherovich kvfree(in); 524479b20a6cSYishai Hadas return err; 524579b20a6cSYishai Hadas } 5246d0e84c0aSYishai Hadas 5247d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 5248d0e84c0aSYishai Hadas struct ib_cqe cqe; 5249d0e84c0aSYishai Hadas struct completion done; 5250d0e84c0aSYishai Hadas }; 5251d0e84c0aSYishai Hadas 5252d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 5253d0e84c0aSYishai Hadas { 5254d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 5255d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 5256d0e84c0aSYishai Hadas cqe); 5257d0e84c0aSYishai Hadas 5258d0e84c0aSYishai Hadas complete(&cqe->done); 5259d0e84c0aSYishai Hadas } 5260d0e84c0aSYishai Hadas 5261d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 5262d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 5263d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 5264d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 5265d0e84c0aSYishai Hadas { 5266d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5267d0e84c0aSYishai Hadas 5268d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 5269d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 5270d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 5271d0e84c0aSYishai Hadas return; 5272d0e84c0aSYishai Hadas } 5273d0e84c0aSYishai Hadas 5274d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5275d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 5276d0e84c0aSYishai Hadas bool triggered = false; 5277d0e84c0aSYishai Hadas unsigned long flags; 5278d0e84c0aSYishai Hadas 5279d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 5280d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 5281d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 5282d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 5283d0e84c0aSYishai Hadas else 5284d0e84c0aSYishai Hadas triggered = true; 5285d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 5286d0e84c0aSYishai Hadas 5287d0e84c0aSYishai Hadas if (triggered) { 5288d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 5289d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 5290d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 5291d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 5292d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 5293d0e84c0aSYishai Hadas break; 5294d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 5295d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 5296d0e84c0aSYishai Hadas break; 5297d0e84c0aSYishai Hadas default: 5298d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 5299d0e84c0aSYishai Hadas } 5300d0e84c0aSYishai Hadas } 5301d0e84c0aSYishai Hadas 5302d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 5303d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 5304d0e84c0aSYishai Hadas */ 53054e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 5306d0e84c0aSYishai Hadas } 5307d0e84c0aSYishai Hadas 5308d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 5309d0e84c0aSYishai Hadas } 5310d0e84c0aSYishai Hadas 5311d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 5312d0e84c0aSYishai Hadas { 5313d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 5314d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5315d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 5316d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 5317d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 5318d0e84c0aSYishai Hadas .wr = { 5319d0e84c0aSYishai Hadas .next = NULL, 5320d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 5321d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 5322d0e84c0aSYishai Hadas }, 5323d0e84c0aSYishai Hadas }; 5324d0e84c0aSYishai Hadas int ret; 5325d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5326d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5327d0e84c0aSYishai Hadas 5328d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5329d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5330d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5331d0e84c0aSYishai Hadas return; 5332d0e84c0aSYishai Hadas } 5333d0e84c0aSYishai Hadas 5334d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 5335d0e84c0aSYishai Hadas init_completion(&sdrain.done); 5336d0e84c0aSYishai Hadas 5337029e88fdSLeon Romanovsky ret = mlx5_ib_post_send_drain(qp, &swr.wr, &bad_swr); 5338d0e84c0aSYishai Hadas if (ret) { 5339d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5340d0e84c0aSYishai Hadas return; 5341d0e84c0aSYishai Hadas } 5342d0e84c0aSYishai Hadas 5343d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 5344d0e84c0aSYishai Hadas } 5345d0e84c0aSYishai Hadas 5346d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 5347d0e84c0aSYishai Hadas { 5348d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 5349d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5350d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 5351d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 5352d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 5353d0e84c0aSYishai Hadas int ret; 5354d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5355d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5356d0e84c0aSYishai Hadas 5357d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5358d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5359d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5360d0e84c0aSYishai Hadas return; 5361d0e84c0aSYishai Hadas } 5362d0e84c0aSYishai Hadas 5363d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 5364d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 5365d0e84c0aSYishai Hadas init_completion(&rdrain.done); 5366d0e84c0aSYishai Hadas 5367029e88fdSLeon Romanovsky ret = mlx5_ib_post_recv_drain(qp, &rwr, &bad_rwr); 5368d0e84c0aSYishai Hadas if (ret) { 5369d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5370d0e84c0aSYishai Hadas return; 5371d0e84c0aSYishai Hadas } 5372d0e84c0aSYishai Hadas 5373d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 5374d0e84c0aSYishai Hadas } 5375d14133ddSMark Zhang 5376d14133ddSMark Zhang /** 5377d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 5378d14133ddSMark Zhang * the default counter 5379d14133ddSMark Zhang */ 5380d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 5381d14133ddSMark Zhang { 538210189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 5383d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 5384d14133ddSMark Zhang int err = 0; 5385d14133ddSMark Zhang 5386d14133ddSMark Zhang mutex_lock(&mqp->mutex); 5387d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 5388d14133ddSMark Zhang qp->counter = counter; 5389d14133ddSMark Zhang goto out; 5390d14133ddSMark Zhang } 5391d14133ddSMark Zhang 539210189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 539310189e8eSMark Zhang err = -EOPNOTSUPP; 539410189e8eSMark Zhang goto out; 539510189e8eSMark Zhang } 539610189e8eSMark Zhang 5397d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 5398d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 5399d14133ddSMark Zhang if (!err) 5400d14133ddSMark Zhang qp->counter = counter; 5401d14133ddSMark Zhang 5402d14133ddSMark Zhang goto out; 5403d14133ddSMark Zhang } 5404d14133ddSMark Zhang 5405d14133ddSMark Zhang mqp->counter_pending = 1; 5406d14133ddSMark Zhang qp->counter = counter; 5407d14133ddSMark Zhang 5408d14133ddSMark Zhang out: 5409d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 5410d14133ddSMark Zhang return err; 5411d14133ddSMark Zhang } 5412