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); 419df561f66SGustavo A. R. Silva fallthrough; 420e126ba97SEli Cohen case IB_QPT_RC: 421e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 42275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 42375c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 42475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 425064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 426064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 427064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 428e126ba97SEli Cohen break; 429e126ba97SEli Cohen 430b125a54bSEli Cohen case IB_QPT_XRC_TGT: 431b125a54bSEli Cohen return 0; 432b125a54bSEli Cohen 433e126ba97SEli Cohen case IB_QPT_UC: 434b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4369e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 43775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 438e126ba97SEli Cohen break; 439e126ba97SEli Cohen 440e126ba97SEli Cohen case IB_QPT_UD: 441f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 442f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 443f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 444df561f66SGustavo A. R. Silva fallthrough; 445e126ba97SEli Cohen case IB_QPT_SMI: 446d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 447b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 448e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 449e126ba97SEli Cohen break; 450e126ba97SEli Cohen 451e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 452b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 453e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 454e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 455e126ba97SEli Cohen break; 456e126ba97SEli Cohen 457e126ba97SEli Cohen default: 458e126ba97SEli Cohen return -EINVAL; 459e126ba97SEli Cohen } 460e126ba97SEli Cohen 461e126ba97SEli Cohen return size; 462e126ba97SEli Cohen } 463e126ba97SEli Cohen 464e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 465e126ba97SEli Cohen { 466e126ba97SEli Cohen int inl_size = 0; 467e126ba97SEli Cohen int size; 468e126ba97SEli Cohen 469f0313965SErez Shitrit size = sq_overhead(attr); 470e126ba97SEli Cohen if (size < 0) 471e126ba97SEli Cohen return size; 472e126ba97SEli Cohen 473e126ba97SEli Cohen if (attr->cap.max_inline_data) { 474e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 475e126ba97SEli Cohen attr->cap.max_inline_data; 476e126ba97SEli Cohen } 477e126ba97SEli Cohen 478e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 479c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 480e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 481e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 482e1e66cc2SSagi Grimberg else 483e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 484e126ba97SEli Cohen } 485e126ba97SEli Cohen 486288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 487288c01b7SEli Cohen { 488288c01b7SEli Cohen int max_sge; 489288c01b7SEli Cohen 490288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 491288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 492288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 493288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 494288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 495288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 496288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 497288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 498288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 499288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 500288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 501288c01b7SEli Cohen else 502288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 503288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 504288c01b7SEli Cohen 505288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 506288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 507288c01b7SEli Cohen } 508288c01b7SEli Cohen 509e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 510e126ba97SEli Cohen struct mlx5_ib_qp *qp) 511e126ba97SEli Cohen { 512e126ba97SEli Cohen int wqe_size; 513e126ba97SEli Cohen int wq_size; 514e126ba97SEli Cohen 515e126ba97SEli Cohen if (!attr->cap.max_send_wr) 516e126ba97SEli Cohen return 0; 517e126ba97SEli Cohen 518e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 519e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 520e126ba97SEli Cohen if (wqe_size < 0) 521e126ba97SEli Cohen return wqe_size; 522e126ba97SEli Cohen 523938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 524b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 525938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 526e126ba97SEli Cohen return -EINVAL; 527e126ba97SEli Cohen } 528e126ba97SEli Cohen 529f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 530e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 531e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 532e126ba97SEli Cohen 533e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 534e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 535938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5361974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5371974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 538938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 539938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 540b125a54bSEli Cohen return -ENOMEM; 541b125a54bSEli Cohen } 542e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 543288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 544288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 545288c01b7SEli Cohen return -ENOMEM; 546288c01b7SEli Cohen 547288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 548b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 549b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 550e126ba97SEli Cohen 551e126ba97SEli Cohen return wq_size; 552e126ba97SEli Cohen } 553e126ba97SEli Cohen 554e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 555e126ba97SEli Cohen struct mlx5_ib_qp *qp, 55619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5570fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 559e126ba97SEli Cohen { 560e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 561e126ba97SEli Cohen 562938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 563e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 564938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 565e126ba97SEli Cohen return -EINVAL; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 569af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 570af8b38edSGal Pressman ucmd->sq_wqe_count); 571e126ba97SEli Cohen return -EINVAL; 572e126ba97SEli Cohen } 573e126ba97SEli Cohen 574e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 575e126ba97SEli Cohen 576938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 577e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 578938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 579938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 580e126ba97SEli Cohen return -EINVAL; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5842be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 5850fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5860fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5870fb2ed66Smajd@mellanox.com } else { 58819098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 589e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5900fb2ed66Smajd@mellanox.com } 591e126ba97SEli Cohen 592e126ba97SEli Cohen return 0; 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 598e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 599e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 600e126ba97SEli Cohen !attr->cap.max_recv_wr) 601e126ba97SEli Cohen return 0; 602e126ba97SEli Cohen 603e126ba97SEli Cohen return 1; 604e126ba97SEli Cohen } 605e126ba97SEli Cohen 6060b80c14fSEli Cohen enum { 6070b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6080b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6090b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6100b80c14fSEli Cohen * "odd/even" order 6110b80c14fSEli Cohen */ 6120b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6130b80c14fSEli Cohen }; 6140b80c14fSEli Cohen 615b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 616b037c29aSEli Cohen { 61731a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 618b037c29aSEli Cohen } 619b037c29aSEli Cohen 620b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 621b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 622c1be5232SEli Cohen { 623c1be5232SEli Cohen int n; 624c1be5232SEli Cohen 625b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 626b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 627c1be5232SEli Cohen 628c1be5232SEli Cohen return n >= 0 ? n : 0; 629c1be5232SEli Cohen } 630c1be5232SEli Cohen 63118b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 63218b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 63318b0362eSYishai Hadas { 63418b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 63518b0362eSYishai Hadas } 63618b0362eSYishai Hadas 637b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 638b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 639c1be5232SEli Cohen { 640c1be5232SEli Cohen int med; 641c1be5232SEli Cohen 642b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 643b037c29aSEli Cohen return ++med; 644c1be5232SEli Cohen } 645c1be5232SEli Cohen 646b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 647b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 648e126ba97SEli Cohen { 649e126ba97SEli Cohen int i; 650e126ba97SEli Cohen 651b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 652b037c29aSEli Cohen if (!bfregi->count[i]) { 6532f5ff264SEli Cohen bfregi->count[i]++; 654e126ba97SEli Cohen return i; 655e126ba97SEli Cohen } 656e126ba97SEli Cohen } 657e126ba97SEli Cohen 658e126ba97SEli Cohen return -ENOMEM; 659e126ba97SEli Cohen } 660e126ba97SEli Cohen 661b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663e126ba97SEli Cohen { 66418b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 665e126ba97SEli Cohen int i; 666e126ba97SEli Cohen 66718b0362eSYishai Hadas if (minidx < 0) 66818b0362eSYishai Hadas return minidx; 66918b0362eSYishai Hadas 67018b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6712f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 672e126ba97SEli Cohen minidx = i; 6730b80c14fSEli Cohen if (!bfregi->count[minidx]) 6740b80c14fSEli Cohen break; 675e126ba97SEli Cohen } 676e126ba97SEli Cohen 6772f5ff264SEli Cohen bfregi->count[minidx]++; 678e126ba97SEli Cohen return minidx; 679e126ba97SEli Cohen } 680e126ba97SEli Cohen 681b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 682ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 683e126ba97SEli Cohen { 684ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 685e126ba97SEli Cohen 6860a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 6870a2fd01cSYishai Hadas return -EINVAL; 6880a2fd01cSYishai Hadas 6892f5ff264SEli Cohen mutex_lock(&bfregi->lock); 690ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 691ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 692ffaf58deSLeon Romanovsky if (bfregn < 0) 693ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 694ffaf58deSLeon Romanovsky } 695ffaf58deSLeon Romanovsky 696ffaf58deSLeon Romanovsky if (bfregn < 0) { 6970b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6982f5ff264SEli Cohen bfregn = 0; 6992f5ff264SEli Cohen bfregi->count[bfregn]++; 700e126ba97SEli Cohen } 7012f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 702e126ba97SEli Cohen 7032f5ff264SEli Cohen return bfregn; 704e126ba97SEli Cohen } 705e126ba97SEli Cohen 7064ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 707e126ba97SEli Cohen { 7082f5ff264SEli Cohen mutex_lock(&bfregi->lock); 709b037c29aSEli Cohen bfregi->count[bfregn]--; 7102f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 711e126ba97SEli Cohen } 712e126ba97SEli Cohen 713e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 714e126ba97SEli Cohen { 715e126ba97SEli Cohen switch (state) { 716e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 717e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 718e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 719e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 720e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 721e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 722e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 723e126ba97SEli Cohen default: return -1; 724e126ba97SEli Cohen } 725e126ba97SEli Cohen } 726e126ba97SEli Cohen 727e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 728e126ba97SEli Cohen { 729e126ba97SEli Cohen switch (type) { 730e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 731e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 732e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 733e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 734e126ba97SEli Cohen case IB_QPT_XRC_INI: 735e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 736e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 737d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 738c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 7393ae7e66aSLeon Romanovsky case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; 740e126ba97SEli Cohen default: return -EINVAL; 741e126ba97SEli Cohen } 742e126ba97SEli Cohen } 743e126ba97SEli Cohen 74489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 74589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 74789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74889ea94a7SMaor Gottlieb 7497c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 75005f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7511ee47ab3SYishai Hadas bool dyn_bfreg) 752e126ba97SEli Cohen { 75305f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 75405f58cebSLeon Romanovsky u32 index_of_sys_page; 75505f58cebSLeon Romanovsky u32 offset; 756b037c29aSEli Cohen 7570a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7580a2fd01cSYishai Hadas return -EINVAL; 7590a2fd01cSYishai Hadas 760b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 761b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 762b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 763b037c29aSEli Cohen 76405f58cebSLeon Romanovsky if (dyn_bfreg) { 76505f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 76605f58cebSLeon Romanovsky 7677c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7687c043e90SYishai Hadas return -EINVAL; 7697c043e90SYishai Hadas 7701ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7711ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7721ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7731ee47ab3SYishai Hadas return -EINVAL; 7741ee47ab3SYishai Hadas } 7751ee47ab3SYishai Hadas } 776b037c29aSEli Cohen 7771ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 778b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 779e126ba97SEli Cohen } 780e126ba97SEli Cohen 781fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 782bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78379b20a6cSYishai Hadas { 784bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 785bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 786bdeacabdSShamir Rabinovitch udata, 787bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 788bdeacabdSShamir Rabinovitch ibucontext); 78979b20a6cSYishai Hadas 790fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 791fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 792fe248c3aSMaor Gottlieb 79379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79579b20a6cSYishai Hadas } 79679b20a6cSYishai Hadas 79779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 798b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 80079b20a6cSYishai Hadas { 80189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 80289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 803ad480ea5SJason Gunthorpe unsigned long page_size = 0; 80479b20a6cSYishai Hadas u32 offset = 0; 80579b20a6cSYishai Hadas int err; 80679b20a6cSYishai Hadas 80779b20a6cSYishai Hadas if (!ucmd->buf_addr) 80879b20a6cSYishai Hadas return -EINVAL; 80979b20a6cSYishai Hadas 810c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 81179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81479b20a6cSYishai Hadas return err; 81579b20a6cSYishai Hadas } 81679b20a6cSYishai Hadas 817ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 818ad480ea5SJason Gunthorpe rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 819ad480ea5SJason Gunthorpe page_offset, 64, &rwq->rq_page_offset); 820ad480ea5SJason Gunthorpe if (!page_size) { 82179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 822ad480ea5SJason Gunthorpe err = -EINVAL; 82379b20a6cSYishai Hadas goto err_umem; 82479b20a6cSYishai Hadas } 82579b20a6cSYishai Hadas 826ad480ea5SJason Gunthorpe rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); 827ad480ea5SJason Gunthorpe rwq->page_shift = order_base_2(page_size); 828ad480ea5SJason Gunthorpe rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT; 82979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 83079b20a6cSYishai Hadas 831f8fb3110SJason Gunthorpe mlx5_ib_dbg( 832f8fb3110SJason Gunthorpe dev, 833ad480ea5SJason Gunthorpe "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", 83479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 835ad480ea5SJason Gunthorpe ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, 836f8fb3110SJason Gunthorpe offset); 83779b20a6cSYishai Hadas 83889944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 83979b20a6cSYishai Hadas if (err) { 84079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 84179b20a6cSYishai Hadas goto err_umem; 84279b20a6cSYishai Hadas } 84379b20a6cSYishai Hadas 84479b20a6cSYishai Hadas return 0; 84579b20a6cSYishai Hadas 84679b20a6cSYishai Hadas err_umem: 84779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84879b20a6cSYishai Hadas return err; 84979b20a6cSYishai Hadas } 85079b20a6cSYishai Hadas 851b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 852b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 853b037c29aSEli Cohen { 854b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 855b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 856b037c29aSEli Cohen } 857b037c29aSEli Cohen 85898fc1126SLeon Romanovsky static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 859e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 86076883a6cSLeon Romanovsky struct ib_qp_init_attr *attr, u32 **in, 86119098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 86276883a6cSLeon Romanovsky struct mlx5_ib_qp_base *base, 86376883a6cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 864e126ba97SEli Cohen { 865e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 86619098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 867*a59b7b05SJason Gunthorpe unsigned int page_offset_quantized = 0; 868*a59b7b05SJason Gunthorpe unsigned long page_size = 0; 8691ee47ab3SYishai Hadas int uar_index = 0; 8702f5ff264SEli Cohen int bfregn; 8719e9c47d0SEli Cohen int ncont = 0; 87209a7d9ecSSaeed Mahameed __be64 *pas; 87309a7d9ecSSaeed Mahameed void *qpc; 874e126ba97SEli Cohen int err; 8755aa3771dSYishai Hadas u16 uid; 876ac42a5eeSYishai Hadas u32 uar_flags; 877e126ba97SEli Cohen 87889944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 87989944450SShamir Rabinovitch ibucontext); 88076883a6cSLeon Romanovsky uar_flags = qp->flags_en & 88176883a6cSLeon Romanovsky (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); 882ac42a5eeSYishai Hadas switch (uar_flags) { 883ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 88476883a6cSLeon Romanovsky uar_index = ucmd->bfreg_index; 885ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 886ac42a5eeSYishai Hadas break; 887ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 8881ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 88976883a6cSLeon Romanovsky ucmd->bfreg_index, true); 8901ee47ab3SYishai Hadas if (uar_index < 0) 8911ee47ab3SYishai Hadas return uar_index; 8921ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 893ac42a5eeSYishai Hadas break; 894ac42a5eeSYishai Hadas case 0: 8952be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 896ac42a5eeSYishai Hadas return -EINVAL; 897ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 898ffaf58deSLeon Romanovsky if (bfregn < 0) 8992f5ff264SEli Cohen return bfregn; 900ac42a5eeSYishai Hadas break; 901ac42a5eeSYishai Hadas default: 902ac42a5eeSYishai Hadas return -EINVAL; 903e126ba97SEli Cohen } 904e126ba97SEli Cohen 9052f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9061ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9071ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9081ee47ab3SYishai Hadas false); 909e126ba97SEli Cohen 91048fea837SHaggai Eran qp->rq.offset = 0; 91148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 91248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91348fea837SHaggai Eran 91476883a6cSLeon Romanovsky err = set_user_buf_size(dev, qp, ucmd, base, attr); 915e126ba97SEli Cohen if (err) 9162f5ff264SEli Cohen goto err_bfreg; 917e126ba97SEli Cohen 91876883a6cSLeon Romanovsky if (ucmd->buf_addr && ubuffer->buf_size) { 91976883a6cSLeon Romanovsky ubuffer->buf_addr = ucmd->buf_addr; 920*a59b7b05SJason Gunthorpe ubuffer->umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 921*a59b7b05SJason Gunthorpe ubuffer->buf_size, 0); 922*a59b7b05SJason Gunthorpe if (IS_ERR(ubuffer->umem)) { 923*a59b7b05SJason Gunthorpe err = PTR_ERR(ubuffer->umem); 9242f5ff264SEli Cohen goto err_bfreg; 925*a59b7b05SJason Gunthorpe } 926*a59b7b05SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 927*a59b7b05SJason Gunthorpe ubuffer->umem, qpc, log_page_size, 928*a59b7b05SJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64, 929*a59b7b05SJason Gunthorpe &page_offset_quantized); 930*a59b7b05SJason Gunthorpe if (!page_size) { 931*a59b7b05SJason Gunthorpe err = -EINVAL; 932*a59b7b05SJason Gunthorpe goto err_umem; 933*a59b7b05SJason Gunthorpe } 934*a59b7b05SJason Gunthorpe ncont = ib_umem_num_dma_blocks(ubuffer->umem, page_size); 9359e9c47d0SEli Cohen } else { 93619098df2Smajd@mellanox.com ubuffer->umem = NULL; 9379e9c47d0SEli Cohen } 938e126ba97SEli Cohen 93909a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 94009a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9411b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 942e126ba97SEli Cohen if (!*in) { 943e126ba97SEli Cohen err = -ENOMEM; 944e126ba97SEli Cohen goto err_umem; 945e126ba97SEli Cohen } 946e126ba97SEli Cohen 94704bcc1c2SLeon Romanovsky uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9485aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 94909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 950*a59b7b05SJason Gunthorpe pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 951*a59b7b05SJason Gunthorpe if (ubuffer->umem) { 952*a59b7b05SJason Gunthorpe mlx5_ib_populate_pas(ubuffer->umem, page_size, pas, 0); 953*a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, log_page_size, 954*a59b7b05SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 955*a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, page_offset, page_offset_quantized); 956*a59b7b05SJason Gunthorpe } 95709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9581ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 959b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9601ee47ab3SYishai Hadas else 9611ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9622f5ff264SEli Cohen qp->bfregn = bfregn; 963e126ba97SEli Cohen 96476883a6cSLeon Romanovsky err = mlx5_ib_db_map_user(context, udata, ucmd->db_addr, &qp->db); 965e126ba97SEli Cohen if (err) { 966e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 967e126ba97SEli Cohen goto err_free; 968e126ba97SEli Cohen } 969e126ba97SEli Cohen 970e126ba97SEli Cohen return 0; 971e126ba97SEli Cohen 972e126ba97SEli Cohen err_free: 973479163f4SAl Viro kvfree(*in); 974e126ba97SEli Cohen 975e126ba97SEli Cohen err_umem: 97619098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 977e126ba97SEli Cohen 9782f5ff264SEli Cohen err_bfreg: 9791ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9804ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 981e126ba97SEli Cohen return err; 982e126ba97SEli Cohen } 983e126ba97SEli Cohen 984747c519cSLeon Romanovsky static void destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 985747c519cSLeon Romanovsky struct mlx5_ib_qp_base *base, struct ib_udata *udata) 986e126ba97SEli Cohen { 987747c519cSLeon Romanovsky struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( 988747c519cSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 989e126ba97SEli Cohen 990747c519cSLeon Romanovsky if (udata) { 991747c519cSLeon Romanovsky /* User QP */ 992e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 99319098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 9941ee47ab3SYishai Hadas 9951ee47ab3SYishai Hadas /* 9961ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 9971ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 9981ee47ab3SYishai Hadas */ 9991ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10004ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1001747c519cSLeon Romanovsky return; 1002747c519cSLeon Romanovsky } 1003747c519cSLeon Romanovsky 1004747c519cSLeon Romanovsky /* Kernel QP */ 1005747c519cSLeon Romanovsky kvfree(qp->sq.wqe_head); 1006747c519cSLeon Romanovsky kvfree(qp->sq.w_list); 1007747c519cSLeon Romanovsky kvfree(qp->sq.wrid); 1008747c519cSLeon Romanovsky kvfree(qp->sq.wr_data); 1009747c519cSLeon Romanovsky kvfree(qp->rq.wrid); 1010747c519cSLeon Romanovsky if (qp->db.db) 1011747c519cSLeon Romanovsky mlx5_db_free(dev->mdev, &qp->db); 1012747c519cSLeon Romanovsky if (qp->buf.frags) 1013747c519cSLeon Romanovsky mlx5_frag_buf_free(dev->mdev, &qp->buf); 1014e126ba97SEli Cohen } 1015e126ba97SEli Cohen 101698fc1126SLeon Romanovsky static int _create_kernel_qp(struct mlx5_ib_dev *dev, 1017e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 101898fc1126SLeon Romanovsky struct mlx5_ib_qp *qp, u32 **in, int *inlen, 101919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1020e126ba97SEli Cohen { 1021e126ba97SEli Cohen int uar_index; 102209a7d9ecSSaeed Mahameed void *qpc; 1023e126ba97SEli Cohen int err; 1024e126ba97SEli Cohen 1025e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10265fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 10272978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 102811f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 10295fe9dec0SEli Cohen else 10305fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1031e126ba97SEli Cohen 1032d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1033d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1034d8030b0dSEli Cohen */ 1035d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10365fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1037e126ba97SEli Cohen 1038e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1039e126ba97SEli Cohen if (err < 0) { 1040e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10415fe9dec0SEli Cohen return err; 1042e126ba97SEli Cohen } 1043e126ba97SEli Cohen 1044e126ba97SEli Cohen qp->rq.offset = 0; 1045e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 104619098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1047e126ba97SEli Cohen 104834f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 104934f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1050e126ba97SEli Cohen if (err) { 1051e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10525fe9dec0SEli Cohen return err; 1053e126ba97SEli Cohen } 1054e126ba97SEli Cohen 105534f4c955SGuy Levi if (qp->rq.wqe_cnt) 105634f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 105734f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 105834f4c955SGuy Levi 105934f4c955SGuy Levi if (qp->sq.wqe_cnt) { 106034f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 106134f4c955SGuy Levi MLX5_SEND_WQE_BB; 106234f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 106334f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 106434f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 106534f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 106634f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 106734f4c955SGuy Levi 106834f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 106934f4c955SGuy Levi } 107034f4c955SGuy Levi 107109a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 107209a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10731b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1074e126ba97SEli Cohen if (!*in) { 1075e126ba97SEli Cohen err = -ENOMEM; 1076e126ba97SEli Cohen goto err_buf; 1077e126ba97SEli Cohen } 107809a7d9ecSSaeed Mahameed 107909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 108009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 108109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 108209a7d9ecSSaeed Mahameed 1083e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 108409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 108509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1086e126ba97SEli Cohen 10872978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 108809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1089b11a4f9cSHaggai Eran 109034f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 109134f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 109234f4c955SGuy Levi *in, pas)); 1093e126ba97SEli Cohen 10949603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1095e126ba97SEli Cohen if (err) { 1096e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1097e126ba97SEli Cohen goto err_free; 1098e126ba97SEli Cohen } 1099e126ba97SEli Cohen 1100b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1101b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1102b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1103b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1104b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1105b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1106b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1107b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1108b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1109b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1110e126ba97SEli Cohen 1111e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1112e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1113e126ba97SEli Cohen err = -ENOMEM; 1114e126ba97SEli Cohen goto err_wrid; 1115e126ba97SEli Cohen } 1116e126ba97SEli Cohen 1117e126ba97SEli Cohen return 0; 1118e126ba97SEli Cohen 1119e126ba97SEli Cohen err_wrid: 1120b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1121b5883008SLi Dongyang kvfree(qp->sq.w_list); 1122b5883008SLi Dongyang kvfree(qp->sq.wrid); 1123b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1124b5883008SLi Dongyang kvfree(qp->rq.wrid); 1125f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1126e126ba97SEli Cohen 1127e126ba97SEli Cohen err_free: 1128479163f4SAl Viro kvfree(*in); 1129e126ba97SEli Cohen 1130e126ba97SEli Cohen err_buf: 113134f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1132e126ba97SEli Cohen return err; 1133e126ba97SEli Cohen } 1134e126ba97SEli Cohen 113509a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1136e126ba97SEli Cohen { 11377aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11387aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 113909a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1140e126ba97SEli Cohen else if (!qp->has_rq) 114109a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11427aede1a2SLeon Romanovsky 114309a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1144e126ba97SEli Cohen } 1145e126ba97SEli Cohen 11460fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1147c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11481cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11491cd6dbd3SYishai Hadas struct ib_pd *pd) 11500fb2ed66Smajd@mellanox.com { 1151e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11520fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11530fb2ed66Smajd@mellanox.com 11541cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11550fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11562be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1157c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1158c2e53b2cSYishai Hadas 1159e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11600fb2ed66Smajd@mellanox.com } 11610fb2ed66Smajd@mellanox.com 11620fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11631cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11640fb2ed66Smajd@mellanox.com { 11651cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11660fb2ed66Smajd@mellanox.com } 11670fb2ed66Smajd@mellanox.com 1168d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1169b96c9ddeSMark Bloch { 1170b96c9ddeSMark Bloch if (sq->flow_rule) 1171b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1172d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1173b96c9ddeSMark Bloch } 1174b96c9ddeSMark Bloch 11750fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1176b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 11770fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 11780fb2ed66Smajd@mellanox.com struct ib_pd *pd) 11790fb2ed66Smajd@mellanox.com { 11800fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 11810fb2ed66Smajd@mellanox.com __be64 *pas; 11820fb2ed66Smajd@mellanox.com void *in; 11830fb2ed66Smajd@mellanox.com void *sqc; 11840fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11850fb2ed66Smajd@mellanox.com void *wq; 11860fb2ed66Smajd@mellanox.com int inlen; 11870fb2ed66Smajd@mellanox.com int err; 1188ad480ea5SJason Gunthorpe unsigned int page_offset_quantized; 1189ad480ea5SJason Gunthorpe unsigned long page_size; 11900fb2ed66Smajd@mellanox.com 1191ad480ea5SJason Gunthorpe sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 1192ad480ea5SJason Gunthorpe ubuffer->buf_size, 0); 1193ad480ea5SJason Gunthorpe if (IS_ERR(sq->ubuffer.umem)) 1194ad480ea5SJason Gunthorpe return PTR_ERR(sq->ubuffer.umem); 1195ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 1196ad480ea5SJason Gunthorpe ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 1197ad480ea5SJason Gunthorpe page_offset, 64, &page_offset_quantized); 1198ad480ea5SJason Gunthorpe if (!page_size) { 1199ad480ea5SJason Gunthorpe err = -EINVAL; 1200ad480ea5SJason Gunthorpe goto err_umem; 1201ad480ea5SJason Gunthorpe } 12020fb2ed66Smajd@mellanox.com 12037db0eea9SJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1204ad480ea5SJason Gunthorpe sizeof(u64) * 1205ad480ea5SJason Gunthorpe ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size); 12061b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12070fb2ed66Smajd@mellanox.com if (!in) { 12080fb2ed66Smajd@mellanox.com err = -ENOMEM; 12090fb2ed66Smajd@mellanox.com goto err_umem; 12100fb2ed66Smajd@mellanox.com } 12110fb2ed66Smajd@mellanox.com 1212c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12130fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12140fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1215795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1216795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12170fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12180fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12190fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12200fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12210fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 122296dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 122396dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 122496dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12250fb2ed66Smajd@mellanox.com 12260fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12270fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12280fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12290fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12300fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12310fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 1233ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 1234ad480ea5SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 1235ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 12360fb2ed66Smajd@mellanox.com 12370fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 1238ad480ea5SJason Gunthorpe mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0); 12390fb2ed66Smajd@mellanox.com 1240333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 12410fb2ed66Smajd@mellanox.com 12420fb2ed66Smajd@mellanox.com kvfree(in); 12430fb2ed66Smajd@mellanox.com 12440fb2ed66Smajd@mellanox.com if (err) 12450fb2ed66Smajd@mellanox.com goto err_umem; 12460fb2ed66Smajd@mellanox.com 12470fb2ed66Smajd@mellanox.com return 0; 12480fb2ed66Smajd@mellanox.com 12490fb2ed66Smajd@mellanox.com err_umem: 12500fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12510fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 12520fb2ed66Smajd@mellanox.com 12530fb2ed66Smajd@mellanox.com return err; 12540fb2ed66Smajd@mellanox.com } 12550fb2ed66Smajd@mellanox.com 12560fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12570fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 12580fb2ed66Smajd@mellanox.com { 1259d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1260333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 12610fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12620fb2ed66Smajd@mellanox.com } 12630fb2ed66Smajd@mellanox.com 12640fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12652c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 12667579dcdfSJason Gunthorpe struct ib_pd *pd) 12670fb2ed66Smajd@mellanox.com { 1268358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 12690fb2ed66Smajd@mellanox.com __be64 *pas; 12700fb2ed66Smajd@mellanox.com void *in; 12710fb2ed66Smajd@mellanox.com void *rqc; 12720fb2ed66Smajd@mellanox.com void *wq; 12730fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12747579dcdfSJason Gunthorpe struct ib_umem *umem = rq->base.ubuffer.umem; 12757579dcdfSJason Gunthorpe unsigned int page_offset_quantized; 12767579dcdfSJason Gunthorpe unsigned long page_size = 0; 12772c292dbbSBoris Pismenny size_t inlen; 12780fb2ed66Smajd@mellanox.com int err; 12792c292dbbSBoris Pismenny 12807579dcdfSJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz, 12817579dcdfSJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, 12827579dcdfSJason Gunthorpe page_offset, 64, 12837579dcdfSJason Gunthorpe &page_offset_quantized); 12847579dcdfSJason Gunthorpe if (!page_size) 12852c292dbbSBoris Pismenny return -EINVAL; 12860fb2ed66Smajd@mellanox.com 12877579dcdfSJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 12887579dcdfSJason Gunthorpe sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size); 12891b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12900fb2ed66Smajd@mellanox.com if (!in) 12910fb2ed66Smajd@mellanox.com return -ENOMEM; 12920fb2ed66Smajd@mellanox.com 129334d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 12940fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1295e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 12960fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 12970fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 12980fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 12990fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13000fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13010fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13020fb2ed66Smajd@mellanox.com 13032be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1304358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1305358e42eaSMajd Dibbiny 13060fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13070fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1308b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1309b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13107579dcdfSJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13110fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13120fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13130fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13147579dcdfSJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 13157579dcdfSJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 13160fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13170fb2ed66Smajd@mellanox.com 13180fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13197579dcdfSJason Gunthorpe mlx5_ib_populate_pas(umem, page_size, pas, 0); 13200fb2ed66Smajd@mellanox.com 1321333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 13220fb2ed66Smajd@mellanox.com 13230fb2ed66Smajd@mellanox.com kvfree(in); 13240fb2ed66Smajd@mellanox.com 13250fb2ed66Smajd@mellanox.com return err; 13260fb2ed66Smajd@mellanox.com } 13270fb2ed66Smajd@mellanox.com 13280fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13290fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13300fb2ed66Smajd@mellanox.com { 1331333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 13320fb2ed66Smajd@mellanox.com } 13330fb2ed66Smajd@mellanox.com 13340042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 13350042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1336443c1cf9SYishai Hadas u32 qp_flags_en, 1337443c1cf9SYishai Hadas struct ib_pd *pd) 13380042f9e4SMark Bloch { 13390042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13400042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13410042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1342443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 13430042f9e4SMark Bloch } 13440042f9e4SMark Bloch 13450fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1346f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1347e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1348e0b4b472SLeon Romanovsky u32 *out) 13490fb2ed66Smajd@mellanox.com { 1350175edba8SMark Bloch u8 lb_flag = 0; 13510fb2ed66Smajd@mellanox.com u32 *in; 13520fb2ed66Smajd@mellanox.com void *tirc; 13530fb2ed66Smajd@mellanox.com int inlen; 13540fb2ed66Smajd@mellanox.com int err; 13550fb2ed66Smajd@mellanox.com 13560fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 13571b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13580fb2ed66Smajd@mellanox.com if (!in) 13590fb2ed66Smajd@mellanox.com return -ENOMEM; 13600fb2ed66Smajd@mellanox.com 1361443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 13620fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 13630fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 13640fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 13650fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1366175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1367f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 13680fb2ed66Smajd@mellanox.com 1369175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1370175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1371175edba8SMark Bloch 1372175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1373175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1374175edba8SMark Bloch 13756a4d00beSMark Bloch if (dev->is_rep) { 1376175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1377175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1378175edba8SMark Bloch } 1379175edba8SMark Bloch 1380175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1381e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1382e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 13831f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 13840042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 13850042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 13860042f9e4SMark Bloch 13870042f9e4SMark Bloch if (err) 1388443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 13890042f9e4SMark Bloch } 13900fb2ed66Smajd@mellanox.com kvfree(in); 13910fb2ed66Smajd@mellanox.com 13920fb2ed66Smajd@mellanox.com return err; 13930fb2ed66Smajd@mellanox.com } 13940fb2ed66Smajd@mellanox.com 13950fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 13962c292dbbSBoris Pismenny u32 *in, size_t inlen, 13977f72052cSYishai Hadas struct ib_pd *pd, 13987f72052cSYishai Hadas struct ib_udata *udata, 13997f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 14000fb2ed66Smajd@mellanox.com { 14010fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14020fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14030fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 140489944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 140589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14060fb2ed66Smajd@mellanox.com int err; 14070fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14087f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14091f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14100fb2ed66Smajd@mellanox.com 14110eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 14120eacc574SAharon Landau return -EINVAL; 14130fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14141cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14150fb2ed66Smajd@mellanox.com if (err) 14160fb2ed66Smajd@mellanox.com return err; 14170fb2ed66Smajd@mellanox.com 1418b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 14190fb2ed66Smajd@mellanox.com if (err) 14200fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14210fb2ed66Smajd@mellanox.com 14227f72052cSYishai Hadas if (uid) { 14237f72052cSYishai Hadas resp->tisn = sq->tisn; 14247f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14257f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14267f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14277f72052cSYishai Hadas } 14287f72052cSYishai Hadas 14290fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14301d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 14310fb2ed66Smajd@mellanox.com } 14320fb2ed66Smajd@mellanox.com 14330fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1434358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1435358e42eaSMajd Dibbiny 14362be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1437e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 14382be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1439b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 14407579dcdfSJason Gunthorpe err = create_raw_packet_qp_rq(dev, rq, in, pd); 14410fb2ed66Smajd@mellanox.com if (err) 14420fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14430fb2ed66Smajd@mellanox.com 1444e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1445e0b4b472SLeon Romanovsky out); 14460fb2ed66Smajd@mellanox.com if (err) 14470fb2ed66Smajd@mellanox.com goto err_destroy_rq; 14487f72052cSYishai Hadas 14497f72052cSYishai Hadas if (uid) { 14507f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 14517f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 14527f72052cSYishai Hadas resp->tirn = rq->tirn; 14537f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 145454a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 145554a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 14561f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 14571f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 14581f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14591f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14601f1d6abbSAriel Levkovich icm_address_39_32) 14611f1d6abbSAriel Levkovich << 32; 14621f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14631f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14641f1d6abbSAriel Levkovich icm_address_63_40) 14651f1d6abbSAriel Levkovich << 40; 14661f1d6abbSAriel Levkovich resp->comp_mask |= 14671f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 14681f1d6abbSAriel Levkovich } 14697f72052cSYishai Hadas } 14700fb2ed66Smajd@mellanox.com } 14710fb2ed66Smajd@mellanox.com 14720fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 14730fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 14740fb2ed66Smajd@mellanox.com return 0; 14750fb2ed66Smajd@mellanox.com 14760fb2ed66Smajd@mellanox.com err_destroy_rq: 14770fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 14780fb2ed66Smajd@mellanox.com err_destroy_sq: 14790fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 14800fb2ed66Smajd@mellanox.com return err; 14810fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 14820fb2ed66Smajd@mellanox.com err_destroy_tis: 14831cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 14840fb2ed66Smajd@mellanox.com 14850fb2ed66Smajd@mellanox.com return err; 14860fb2ed66Smajd@mellanox.com } 14870fb2ed66Smajd@mellanox.com 14880fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 14890fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 14900fb2ed66Smajd@mellanox.com { 14910fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14920fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14930fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 14940fb2ed66Smajd@mellanox.com 14950fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1496443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 14970fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 14980fb2ed66Smajd@mellanox.com } 14990fb2ed66Smajd@mellanox.com 15000fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15010fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15021cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15030fb2ed66Smajd@mellanox.com } 15040fb2ed66Smajd@mellanox.com } 15050fb2ed66Smajd@mellanox.com 15060fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15070fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15080fb2ed66Smajd@mellanox.com { 15090fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15100fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15110fb2ed66Smajd@mellanox.com 15120fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15130fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15140fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15150fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15160fb2ed66Smajd@mellanox.com } 15170fb2ed66Smajd@mellanox.com 151828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 151928d61370SYishai Hadas { 15200042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15210042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15220042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1523443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1524443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 152528d61370SYishai Hadas } 152628d61370SYishai Hadas 1527f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1528f78d358cSLeon Romanovsky struct ib_udata *udata; 1529f78d358cSLeon Romanovsky size_t inlen; 15306f2cf76eSLeon Romanovsky size_t outlen; 1531e383085cSLeon Romanovsky size_t ucmd_size; 1532f78d358cSLeon Romanovsky void *ucmd; 1533f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1534f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1535f78d358cSLeon Romanovsky u32 uidx; 153608d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1537f78d358cSLeon Romanovsky }; 1538f78d358cSLeon Romanovsky 1539f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1540f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1541f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 154228d61370SYishai Hadas { 1543f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1544f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1545f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 154689944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 154789944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 154828d61370SYishai Hadas int inlen; 15491f1d6abbSAriel Levkovich int outlen; 155028d61370SYishai Hadas int err; 155128d61370SYishai Hadas u32 *in; 15521f1d6abbSAriel Levkovich u32 *out; 155328d61370SYishai Hadas void *tirc; 155428d61370SYishai Hadas void *hfso; 155528d61370SYishai Hadas u32 selected_fields = 0; 15562d93fc85SMatan Barak u32 outer_l4; 155728d61370SYishai Hadas u32 tdn = mucontext->tdn; 1558175edba8SMark Bloch u8 lb_flag = 0; 155928d61370SYishai Hadas 15605ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 156128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 156228d61370SYishai Hadas return -EOPNOTSUPP; 156328d61370SYishai Hadas } 156428d61370SYishai Hadas 15655ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 15665ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1567309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1568309fa347SMaor Gottlieb return -EOPNOTSUPP; 1569309fa347SMaor Gottlieb } 1570309fa347SMaor Gottlieb 157137518fa4SLeon Romanovsky if (dev->is_rep) 1572175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1573175edba8SMark Bloch 157437518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 157537518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 157637518fa4SLeon Romanovsky 157737518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1578175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1579175edba8SMark Bloch 158028d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 15811f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 15821f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 158328d61370SYishai Hadas if (!in) 158428d61370SYishai Hadas return -ENOMEM; 158528d61370SYishai Hadas 15861f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1587443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 158828d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 158928d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 159028d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 159128d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 159228d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 159328d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 159428d61370SYishai Hadas 159528d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1596f95ef6cbSMaor Gottlieb 15975ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1598f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1599f95ef6cbSMaor Gottlieb 1600175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1601175edba8SMark Bloch 16025ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1603309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1604309fa347SMaor Gottlieb else 1605309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1606309fa347SMaor Gottlieb 16075ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 160828d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 160928d61370SYishai Hadas { 161028d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 161128d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 161228d61370SYishai Hadas 16135ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 161428d61370SYishai Hadas err = -EINVAL; 161528d61370SYishai Hadas goto err; 161628d61370SYishai Hadas } 161728d61370SYishai Hadas 161828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 16195ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 162028d61370SYishai Hadas break; 162128d61370SYishai Hadas } 162228d61370SYishai Hadas default: 162328d61370SYishai Hadas err = -EOPNOTSUPP; 162428d61370SYishai Hadas goto err; 162528d61370SYishai Hadas } 162628d61370SYishai Hadas 16275ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 162828d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 162928d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 163028d61370SYishai Hadas goto create_tir; 163128d61370SYishai Hadas err = -EINVAL; 163228d61370SYishai Hadas goto err; 163328d61370SYishai Hadas } 163428d61370SYishai Hadas 16355ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16365ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 16375ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16385ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 163928d61370SYishai Hadas err = -EINVAL; 164028d61370SYishai Hadas goto err; 164128d61370SYishai Hadas } 164228d61370SYishai Hadas 164328d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 16445ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16455ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 164628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 164728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 16485ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16495ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 165028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 165128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 165228d61370SYishai Hadas 16535ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16545ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 16555ce0592bSLeon Romanovsky << 0 | 16565ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16575ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 16585ce0592bSLeon Romanovsky << 1 | 16595ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 16602d93fc85SMatan Barak 16612d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 16622d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 166328d61370SYishai Hadas err = -EINVAL; 166428d61370SYishai Hadas goto err; 166528d61370SYishai Hadas } 166628d61370SYishai Hadas 166728d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 16685ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16695ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 167028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 167128d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 16725ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16735ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 167428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 167528d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 167628d61370SYishai Hadas 16775ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16785ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 167928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 168028d61370SYishai Hadas 16815ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 16825ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 168328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 168428d61370SYishai Hadas 16855ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16865ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 168728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 168828d61370SYishai Hadas 16895ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 16905ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 169128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 169228d61370SYishai Hadas 16935ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 16942d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 16952d93fc85SMatan Barak 169628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 169728d61370SYishai Hadas 169828d61370SYishai Hadas create_tir: 1699e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1700e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 170128d61370SYishai Hadas 17021f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17030042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17040042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17050042f9e4SMark Bloch 17060042f9e4SMark Bloch if (err) 1707443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1708443c1cf9SYishai Hadas to_mpd(pd)->uid); 17090042f9e4SMark Bloch } 17100042f9e4SMark Bloch 171128d61370SYishai Hadas if (err) 171228d61370SYishai Hadas goto err; 171328d61370SYishai Hadas 17147f72052cSYishai Hadas if (mucontext->devx_uid) { 171508d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 171608d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 171754a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 171854a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 171908d53976SLeon Romanovsky params->resp.tir_icm_addr = 17201f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 172108d53976SLeon Romanovsky params->resp.tir_icm_addr |= 172208d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17231f1d6abbSAriel Levkovich icm_address_39_32) 17241f1d6abbSAriel Levkovich << 32; 172508d53976SLeon Romanovsky params->resp.tir_icm_addr |= 172608d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17271f1d6abbSAriel Levkovich icm_address_63_40) 17281f1d6abbSAriel Levkovich << 40; 172908d53976SLeon Romanovsky params->resp.comp_mask |= 17301f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 17311f1d6abbSAriel Levkovich } 17327f72052cSYishai Hadas } 17337f72052cSYishai Hadas 173428d61370SYishai Hadas kvfree(in); 173528d61370SYishai Hadas /* qpn is reserved for that QP */ 173628d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 17372be08c30SLeon Romanovsky qp->is_rss = true; 173828d61370SYishai Hadas return 0; 173928d61370SYishai Hadas 174028d61370SYishai Hadas err: 174128d61370SYishai Hadas kvfree(in); 174228d61370SYishai Hadas return err; 174328d61370SYishai Hadas } 174428d61370SYishai Hadas 17455d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 174681530ab0SLeon Romanovsky struct mlx5_ib_qp *qp, 17475d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 17485d6ff1baSYonatan Cohen void *qpc) 17495d6ff1baSYonatan Cohen { 17505d6ff1baSYonatan Cohen int scqe_sz; 17512ab367a7Szhengbin bool allow_scat_cqe = false; 17525d6ff1baSYonatan Cohen 175381530ab0SLeon Romanovsky allow_scat_cqe = qp->flags_en & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 17546f4bc0eaSYonatan Cohen 17556f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 17565d6ff1baSYonatan Cohen return; 17575d6ff1baSYonatan Cohen 17585d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 17595d6ff1baSYonatan Cohen if (scqe_sz == 128) { 17605d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 17615d6ff1baSYonatan Cohen return; 17625d6ff1baSYonatan Cohen } 17635d6ff1baSYonatan Cohen 17645d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 17655d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 17665d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 17675d6ff1baSYonatan Cohen } 17685d6ff1baSYonatan Cohen 1769a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1770a60109dcSYonatan Cohen { 1771a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1772a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1773a60109dcSYonatan Cohen */ 1774a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1775a60109dcSYonatan Cohen int log_max_size; 1776a60109dcSYonatan Cohen 1777a60109dcSYonatan Cohen if (!supported_size_mask) 1778a60109dcSYonatan Cohen return -EOPNOTSUPP; 1779a60109dcSYonatan Cohen 1780a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1781a60109dcSYonatan Cohen 1782a60109dcSYonatan Cohen if (log_max_size > 3) 1783a60109dcSYonatan Cohen return log_max_size; 1784a60109dcSYonatan Cohen 1785a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1786a60109dcSYonatan Cohen } 1787a60109dcSYonatan Cohen 1788a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1789a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1790a60109dcSYonatan Cohen { 1791a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1792a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1793a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1794a60109dcSYonatan Cohen int atomic_size_mask; 1795a60109dcSYonatan Cohen 1796a60109dcSYonatan Cohen if (!atomic) 1797a60109dcSYonatan Cohen return -EOPNOTSUPP; 1798a60109dcSYonatan Cohen 1799a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1800a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1801a60109dcSYonatan Cohen else 1802a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1803a60109dcSYonatan Cohen 1804a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1805a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1806a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1807a60109dcSYonatan Cohen 1808a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1809a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1810a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1811a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1812a60109dcSYonatan Cohen 1813a60109dcSYonatan Cohen return atomic_mode; 1814a60109dcSYonatan Cohen } 1815a60109dcSYonatan Cohen 1816f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1817f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 181804bcc1c2SLeon Romanovsky { 1819e383085cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1820f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1821f78d358cSLeon Romanovsky u32 uidx = params->uidx; 182204bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 18233e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 182404bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 182504bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 182604bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 182704bcc1c2SLeon Romanovsky unsigned long flags; 182804bcc1c2SLeon Romanovsky void *qpc; 182904bcc1c2SLeon Romanovsky u32 *in; 183004bcc1c2SLeon Romanovsky int err; 183104bcc1c2SLeon Romanovsky 183204bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 183304bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 183404bcc1c2SLeon Romanovsky 183504bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 183604bcc1c2SLeon Romanovsky if (!in) 183704bcc1c2SLeon Romanovsky return -ENOMEM; 183804bcc1c2SLeon Romanovsky 18396eefa839SLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support) && ucmd) 1840e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 184104bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 184204bcc1c2SLeon Romanovsky 184304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 184404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 184504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 184604bcc1c2SLeon Romanovsky 184704bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 184804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 184904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 185004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 185104bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 185204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 185304bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 185404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 185504bcc1c2SLeon Romanovsky 185604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 185704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 185804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 185904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 186004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 186104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 186204bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 186304bcc1c2SLeon Romanovsky 186404bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 186504bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 186604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 186704bcc1c2SLeon Romanovsky 186804bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 186904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 187004bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 187104bcc1c2SLeon Romanovsky /* Special case to clean flag */ 187204bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 187304bcc1c2SLeon Romanovsky } 187404bcc1c2SLeon Romanovsky 187504bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 18763e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 187704bcc1c2SLeon Romanovsky kvfree(in); 18786367da46SLeon Romanovsky if (err) 187904bcc1c2SLeon Romanovsky return err; 188004bcc1c2SLeon Romanovsky 188104bcc1c2SLeon Romanovsky base->container_mibqp = qp; 188204bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 188392cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 18843e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 188504bcc1c2SLeon Romanovsky 188604bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 188704bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 188804bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 188904bcc1c2SLeon Romanovsky 1890968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 189104bcc1c2SLeon Romanovsky return 0; 189204bcc1c2SLeon Romanovsky } 189304bcc1c2SLeon Romanovsky 189498fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1895f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1896f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 1897e126ba97SEli Cohen { 1898f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1899f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 19003e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 1901f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 1902f78d358cSLeon Romanovsky u32 uidx = params->uidx; 1903e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 190409a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1905938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 190689ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 190789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 190889ea94a7SMaor Gottlieb unsigned long flags; 190909a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1910e7b169f3SNoa Osherovich int mlx5_st; 1911cfb5e088SHaggai Abramovsky void *qpc; 191209a7d9ecSSaeed Mahameed u32 *in; 191309a7d9ecSSaeed Mahameed int err; 1914e126ba97SEli Cohen 1915e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1916e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1917e126ba97SEli Cohen 19187aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 1919e7b169f3SNoa Osherovich if (mlx5_st < 0) 1920e7b169f3SNoa Osherovich return -EINVAL; 1921e7b169f3SNoa Osherovich 1922e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1923e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1924e126ba97SEli Cohen 19252978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 19262978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 19272978975cSLeon Romanovsky 1928c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 19292be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 1930c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1931c2e53b2cSYishai Hadas &qp->trans_qp.base; 1932c2e53b2cSYishai Hadas 1933e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 19342dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 1935e126ba97SEli Cohen if (err) { 1936e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1937e126ba97SEli Cohen return err; 1938e126ba97SEli Cohen } 1939e126ba97SEli Cohen 19402dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 194198fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 1942e126ba97SEli Cohen return -EINVAL; 1943e126ba97SEli Cohen 194498fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 194598fc1126SLeon Romanovsky return -EINVAL; 194698fc1126SLeon Romanovsky 194708d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 194808d53976SLeon Romanovsky &inlen, base, ucmd); 1949e126ba97SEli Cohen if (err) 1950e126ba97SEli Cohen return err; 1951e126ba97SEli Cohen 1952e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1953e126ba97SEli Cohen qp->port = init_attr->port_num; 1954e126ba97SEli Cohen 1955e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 1956e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 195709a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 195809a7d9ecSSaeed Mahameed 1959e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 196009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 196198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 1962e126ba97SEli Cohen 1963c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 196409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1965e126ba97SEli Cohen 19662be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 196709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1968f360d88aSEli Cohen 19692be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 197009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 19712be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 197209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 19732be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 197409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 19752be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 1976569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 197790ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 197890ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 19798bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 198052c81f47SColin Ian King int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 19818bde2c50SLeon Romanovsky 19828bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 19838bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 19848bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 19858bde2c50SLeon Romanovsky } 198690ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 19877aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 198881530ab0SLeon Romanovsky configure_requester_scat_cqe(dev, qp, init_attr, qpc); 1989e126ba97SEli Cohen 1990e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 199109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 199209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1993e126ba97SEli Cohen } 1994e126ba97SEli Cohen 199509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1996e126ba97SEli Cohen 19973fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 199809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 19993fd3307eSArtemy Kovalyov } else { 200009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20013fd3307eSArtemy Kovalyov if (init_attr->srq && 20023fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20033fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20043fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20053fd3307eSArtemy Kovalyov } 2006e126ba97SEli Cohen 2007e126ba97SEli Cohen /* Set default resources */ 2008e126ba97SEli Cohen switch (init_attr->qp_type) { 2009e126ba97SEli Cohen case IB_QPT_XRC_INI: 201009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 2011f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 201209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2013e126ba97SEli Cohen break; 2014e126ba97SEli Cohen default: 2015e126ba97SEli Cohen if (init_attr->srq) { 2016f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 201709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2018e126ba97SEli Cohen } else { 2019f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 202009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2021e126ba97SEli Cohen } 2022e126ba97SEli Cohen } 2023e126ba97SEli Cohen 2024e126ba97SEli Cohen if (init_attr->send_cq) 202509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2026e126ba97SEli Cohen 2027e126ba97SEli Cohen if (init_attr->recv_cq) 202809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2029e126ba97SEli Cohen 203009a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2031e126ba97SEli Cohen 2032cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 203309a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2034cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 203509a7d9ecSSaeed Mahameed 20362978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 20372978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2038b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2039b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 20402978975cSLeon Romanovsky /* Special case to clean flag */ 20412978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2042b1383aa6SNoa Osherovich } 2043b1383aa6SNoa Osherovich 2044c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 20452be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 20462dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 20470fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 20487f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 204908d53976SLeon Romanovsky ¶ms->resp); 205004bcc1c2SLeon Romanovsky } else 20513e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 2052e126ba97SEli Cohen 2053479163f4SAl Viro kvfree(in); 205404bcc1c2SLeon Romanovsky if (err) 205504bcc1c2SLeon Romanovsky goto err_create; 2056e126ba97SEli Cohen 205719098df2Smajd@mellanox.com base->container_mibqp = qp; 205819098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 205992cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 20603e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 2061e126ba97SEli Cohen 20627aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 206389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 206489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 206589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 206689ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 206789ea94a7SMaor Gottlieb * flow 206889ea94a7SMaor Gottlieb */ 206989ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 207089ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 207189ea94a7SMaor Gottlieb */ 207289ea94a7SMaor Gottlieb if (send_cq) 207389ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 207489ea94a7SMaor Gottlieb if (recv_cq) 207589ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 207689ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 207789ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 207889ea94a7SMaor Gottlieb 2079e126ba97SEli Cohen return 0; 2080e126ba97SEli Cohen 2081e126ba97SEli Cohen err_create: 2082747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2083e126ba97SEli Cohen return err; 2084e126ba97SEli Cohen } 2085e126ba97SEli Cohen 208698fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2087f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2088f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 208998fc1126SLeon Romanovsky { 2090f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2091f78d358cSLeon Romanovsky u32 uidx = params->uidx; 209298fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 20933e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 209498fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 209598fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 209698fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 209798fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 209898fc1126SLeon Romanovsky unsigned long flags; 209998fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 210098fc1126SLeon Romanovsky int mlx5_st; 210198fc1126SLeon Romanovsky void *qpc; 210298fc1126SLeon Romanovsky u32 *in; 210398fc1126SLeon Romanovsky int err; 210498fc1126SLeon Romanovsky 210598fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 210698fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 210798fc1126SLeon Romanovsky 210898fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 210998fc1126SLeon Romanovsky if (mlx5_st < 0) 211098fc1126SLeon Romanovsky return -EINVAL; 211198fc1126SLeon Romanovsky 211298fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 211398fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 211498fc1126SLeon Romanovsky 211598fc1126SLeon Romanovsky base = &qp->trans_qp.base; 211698fc1126SLeon Romanovsky 211798fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 211898fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 211998fc1126SLeon Romanovsky if (err) { 212098fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 212198fc1126SLeon Romanovsky return err; 212298fc1126SLeon Romanovsky } 212398fc1126SLeon Romanovsky 212498fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 212598fc1126SLeon Romanovsky if (err) 212698fc1126SLeon Romanovsky return err; 212798fc1126SLeon Romanovsky 212898fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 212998fc1126SLeon Romanovsky qp->port = attr->port_num; 213098fc1126SLeon Romanovsky 213198fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 213298fc1126SLeon Romanovsky 213398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 213498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 213598fc1126SLeon Romanovsky 213698fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 213798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 213898fc1126SLeon Romanovsky else 213998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 214098fc1126SLeon Romanovsky 214198fc1126SLeon Romanovsky 214298fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 214398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 214498fc1126SLeon Romanovsky 214598fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 214698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 214798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 214898fc1126SLeon Romanovsky } 214998fc1126SLeon Romanovsky 215098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 215198fc1126SLeon Romanovsky 215298fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 215398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 215498fc1126SLeon Romanovsky else 215598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 215698fc1126SLeon Romanovsky 215798fc1126SLeon Romanovsky if (attr->srq) { 2158f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 215998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 216098fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 216198fc1126SLeon Romanovsky } else { 2162f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 216398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 216498fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 216598fc1126SLeon Romanovsky } 216698fc1126SLeon Romanovsky 216798fc1126SLeon Romanovsky if (attr->send_cq) 216898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 216998fc1126SLeon Romanovsky 217098fc1126SLeon Romanovsky if (attr->recv_cq) 217198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 217298fc1126SLeon Romanovsky 217398fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 217498fc1126SLeon Romanovsky 217598fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 217698fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 217798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 217898fc1126SLeon Romanovsky 217998fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 218098fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 218198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 218298fc1126SLeon Romanovsky 21833e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 218498fc1126SLeon Romanovsky kvfree(in); 218598fc1126SLeon Romanovsky if (err) 218698fc1126SLeon Romanovsky goto err_create; 218798fc1126SLeon Romanovsky 218898fc1126SLeon Romanovsky base->container_mibqp = qp; 218998fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 219098fc1126SLeon Romanovsky 219198fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 219298fc1126SLeon Romanovsky &send_cq, &recv_cq); 219398fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 219498fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 219598fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 219698fc1126SLeon Romanovsky * flow 219798fc1126SLeon Romanovsky */ 219898fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 219998fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 220098fc1126SLeon Romanovsky */ 220198fc1126SLeon Romanovsky if (send_cq) 220298fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 220398fc1126SLeon Romanovsky if (recv_cq) 220498fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 220598fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 220698fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 220798fc1126SLeon Romanovsky 220898fc1126SLeon Romanovsky return 0; 220998fc1126SLeon Romanovsky 221098fc1126SLeon Romanovsky err_create: 2211747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 221298fc1126SLeon Romanovsky return err; 221398fc1126SLeon Romanovsky } 221498fc1126SLeon Romanovsky 2215e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2216e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2217e126ba97SEli Cohen { 2218e126ba97SEli Cohen if (send_cq) { 2219e126ba97SEli Cohen if (recv_cq) { 2220e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 222189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2222e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2223e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2224e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 222589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2226e126ba97SEli Cohen __acquire(&recv_cq->lock); 2227e126ba97SEli Cohen } else { 222889ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2229e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2230e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2231e126ba97SEli Cohen } 2232e126ba97SEli Cohen } else { 223389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22346a4f139aSEli Cohen __acquire(&recv_cq->lock); 2235e126ba97SEli Cohen } 2236e126ba97SEli Cohen } else if (recv_cq) { 223789ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22386a4f139aSEli Cohen __acquire(&send_cq->lock); 22396a4f139aSEli Cohen } else { 22406a4f139aSEli Cohen __acquire(&send_cq->lock); 22416a4f139aSEli Cohen __acquire(&recv_cq->lock); 2242e126ba97SEli Cohen } 2243e126ba97SEli Cohen } 2244e126ba97SEli Cohen 2245e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2246e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2247e126ba97SEli Cohen { 2248e126ba97SEli Cohen if (send_cq) { 2249e126ba97SEli Cohen if (recv_cq) { 2250e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2251e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 225289ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2253e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2254e126ba97SEli Cohen __release(&recv_cq->lock); 225589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2256e126ba97SEli Cohen } else { 2257e126ba97SEli Cohen spin_unlock(&send_cq->lock); 225889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2259e126ba97SEli Cohen } 2260e126ba97SEli Cohen } else { 22616a4f139aSEli Cohen __release(&recv_cq->lock); 226289ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2263e126ba97SEli Cohen } 2264e126ba97SEli Cohen } else if (recv_cq) { 22656a4f139aSEli Cohen __release(&send_cq->lock); 226689ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 22676a4f139aSEli Cohen } else { 22686a4f139aSEli Cohen __release(&recv_cq->lock); 22696a4f139aSEli Cohen __release(&send_cq->lock); 2270e126ba97SEli Cohen } 2271e126ba97SEli Cohen } 2272e126ba97SEli Cohen 227389ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 227489ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2275e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2276e126ba97SEli Cohen { 227789ea94a7SMaor Gottlieb switch (qp_type) { 2278e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2279e126ba97SEli Cohen *send_cq = NULL; 2280e126ba97SEli Cohen *recv_cq = NULL; 2281e126ba97SEli Cohen break; 2282e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2283e126ba97SEli Cohen case IB_QPT_XRC_INI: 228489ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2285e126ba97SEli Cohen *recv_cq = NULL; 2286e126ba97SEli Cohen break; 2287e126ba97SEli Cohen 2288e126ba97SEli Cohen case IB_QPT_SMI: 2289d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2290e126ba97SEli Cohen case IB_QPT_RC: 2291e126ba97SEli Cohen case IB_QPT_UC: 2292e126ba97SEli Cohen case IB_QPT_UD: 22930fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 229489ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 229589ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2296e126ba97SEli Cohen break; 2297e126ba97SEli Cohen default: 2298e126ba97SEli Cohen *send_cq = NULL; 2299e126ba97SEli Cohen *recv_cq = NULL; 2300e126ba97SEli Cohen break; 2301e126ba97SEli Cohen } 2302e126ba97SEli Cohen } 2303e126ba97SEli Cohen 2304ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 230513eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 230613eab21fSAviv Heller u8 lag_tx_affinity); 2307ad5f8e96Smajd@mellanox.com 2308bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2309bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2310e126ba97SEli Cohen { 2311e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2312c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 231389ea94a7SMaor Gottlieb unsigned long flags; 2314e126ba97SEli Cohen int err; 2315e126ba97SEli Cohen 23166c41965dSLeon Romanovsky if (qp->is_rss) { 231728d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 231828d61370SYishai Hadas return; 231928d61370SYishai Hadas } 232028d61370SYishai Hadas 23216c41965dSLeon Romanovsky base = (qp->type == IB_QPT_RAW_PACKET || 23222be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 23230fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23240fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23250fb2ed66Smajd@mellanox.com 23266aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 23276c41965dSLeon Romanovsky if (qp->type != IB_QPT_RAW_PACKET && 23282be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2329333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 23305f62a521SLeon Romanovsky NULL, &base->mqp, NULL); 2331ad5f8e96Smajd@mellanox.com } else { 23320680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 23330680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 23340680efa2SAlex Vesker }; 23350680efa2SAlex Vesker 233613eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2337ad5f8e96Smajd@mellanox.com } 2338ad5f8e96Smajd@mellanox.com if (err) 2339427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 234019098df2Smajd@mellanox.com base->mqp.qpn); 23416aec21f6SHaggai Eran } 2342e126ba97SEli Cohen 23436c41965dSLeon Romanovsky get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, 23446c41965dSLeon Romanovsky &recv_cq); 234589ea94a7SMaor Gottlieb 234689ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 234789ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 234889ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 234989ea94a7SMaor Gottlieb list_del(&qp->qps_list); 235089ea94a7SMaor Gottlieb if (send_cq) 235189ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 235289ea94a7SMaor Gottlieb 235389ea94a7SMaor Gottlieb if (recv_cq) 235489ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2355e126ba97SEli Cohen 235603c4077bSLeon Romanovsky if (!udata) { 235719098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2358e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2359e126ba97SEli Cohen if (send_cq != recv_cq) 236019098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 236119098df2Smajd@mellanox.com NULL); 2362e126ba97SEli Cohen } 236389ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 236489ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2365e126ba97SEli Cohen 23666c41965dSLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET || 23672be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 23680fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 23690fb2ed66Smajd@mellanox.com } else { 2370333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2371e126ba97SEli Cohen if (err) 23720fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 23730fb2ed66Smajd@mellanox.com base->mqp.qpn); 23740fb2ed66Smajd@mellanox.com } 2375e126ba97SEli Cohen 2376747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2377e126ba97SEli Cohen } 2378e126ba97SEli Cohen 2379a645a89dSLeon Romanovsky static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2380a645a89dSLeon Romanovsky struct mlx5_ib_qp *qp, 2381f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2382b4aaa1f0SMoni Shoua { 2383f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2384f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2385f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2386b4aaa1f0SMoni Shoua void *dctc; 2387b4aaa1f0SMoni Shoua 23887c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev) && !MLX5_CAP_GEN(dev->mdev, lag_dct)) 23897c4b1ab9SMark Zhang return -EOPNOTSUPP; 23907c4b1ab9SMark Zhang 2391b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 23929c2ba4edSLeon Romanovsky if (!qp->dct.in) 239347c80612SLeon Romanovsky return -ENOMEM; 2394b4aaa1f0SMoni Shoua 2395a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2396b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2397b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2398b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2399b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2400b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2401b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2402a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 2403a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 2404b4aaa1f0SMoni Shoua 240537518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2406fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2407fd9dab7eSLeon Romanovsky 2408fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2409fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2410fd9dab7eSLeon Romanovsky } 24115d6ff1baSYonatan Cohen 2412b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2413b4aaa1f0SMoni Shoua 241447c80612SLeon Romanovsky return 0; 2415b4aaa1f0SMoni Shoua } 2416b4aaa1f0SMoni Shoua 24177aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 24187aede1a2SLeon Romanovsky enum ib_qp_type *type) 24196eb7edffSLeon Romanovsky { 24206eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 24216eb7edffSLeon Romanovsky goto out; 24226eb7edffSLeon Romanovsky 24236eb7edffSLeon Romanovsky switch (attr->qp_type) { 24246eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 24256eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 24266eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 24276eb7edffSLeon Romanovsky goto out; 24286eb7edffSLeon Romanovsky fallthrough; 24296eb7edffSLeon Romanovsky case IB_QPT_RC: 24306eb7edffSLeon Romanovsky case IB_QPT_UC: 24316eb7edffSLeon Romanovsky case IB_QPT_SMI: 24326eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 24336eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 24346eb7edffSLeon Romanovsky case IB_QPT_GSI: 243542caf9cbSMark Bloch if (dev->profile == &raw_eth_profile) 243642caf9cbSMark Bloch goto out; 243742caf9cbSMark Bloch case IB_QPT_RAW_PACKET: 243842caf9cbSMark Bloch case IB_QPT_UD: 243942caf9cbSMark Bloch case MLX5_IB_QPT_REG_UMR: 24407aede1a2SLeon Romanovsky break; 24416eb7edffSLeon Romanovsky default: 24426eb7edffSLeon Romanovsky goto out; 2443b4aaa1f0SMoni Shoua } 2444b4aaa1f0SMoni Shoua 24457aede1a2SLeon Romanovsky *type = attr->qp_type; 2446b4aaa1f0SMoni Shoua return 0; 24476eb7edffSLeon Romanovsky 24486eb7edffSLeon Romanovsky out: 24496eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 24506eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2451b4aaa1f0SMoni Shoua } 2452b4aaa1f0SMoni Shoua 24532242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 24542242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 24552242cc25SLeon Romanovsky struct ib_udata *udata) 24562242cc25SLeon Romanovsky { 24572242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 24582242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 24592242cc25SLeon Romanovsky 24602242cc25SLeon Romanovsky if (!udata) { 24612242cc25SLeon Romanovsky /* Kernel create_qp callers */ 24622242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 24632242cc25SLeon Romanovsky return -EOPNOTSUPP; 24642242cc25SLeon Romanovsky 24652242cc25SLeon Romanovsky switch (attr->qp_type) { 24662242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 24672242cc25SLeon Romanovsky case IB_QPT_DRIVER: 24682242cc25SLeon Romanovsky return -EOPNOTSUPP; 24692242cc25SLeon Romanovsky default: 24702242cc25SLeon Romanovsky return 0; 24712242cc25SLeon Romanovsky } 24722242cc25SLeon Romanovsky } 24732242cc25SLeon Romanovsky 24742242cc25SLeon Romanovsky /* Userspace create_qp callers */ 24752242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 24762242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 24772242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 24782242cc25SLeon Romanovsky return -EINVAL; 24792242cc25SLeon Romanovsky } 24802242cc25SLeon Romanovsky 24812242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 24822242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 24832242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 24842242cc25SLeon Romanovsky attr->qp_type); 24852242cc25SLeon Romanovsky return -EINVAL; 24862242cc25SLeon Romanovsky } 24872242cc25SLeon Romanovsky 24882242cc25SLeon Romanovsky /* 24892242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 24902242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 24912242cc25SLeon Romanovsky */ 24922242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 24932242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 24942242cc25SLeon Romanovsky return 0; 24952242cc25SLeon Romanovsky } 24962242cc25SLeon Romanovsky 249737518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 249837518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 249937518fa4SLeon Romanovsky { 250037518fa4SLeon Romanovsky if (!(*flags & flag)) 250137518fa4SLeon Romanovsky return; 250237518fa4SLeon Romanovsky 250337518fa4SLeon Romanovsky if (cond) { 250437518fa4SLeon Romanovsky qp->flags_en |= flag; 250537518fa4SLeon Romanovsky *flags &= ~flag; 250637518fa4SLeon Romanovsky return; 250737518fa4SLeon Romanovsky } 250837518fa4SLeon Romanovsky 250981530ab0SLeon Romanovsky switch (flag) { 251081530ab0SLeon Romanovsky case MLX5_QP_FLAG_SCATTER_CQE: 251181530ab0SLeon Romanovsky case MLX5_QP_FLAG_ALLOW_SCATTER_CQE: 251237518fa4SLeon Romanovsky /* 251381530ab0SLeon Romanovsky * We don't return error if these flags were provided, 251437518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 251537518fa4SLeon Romanovsky */ 251681530ab0SLeon Romanovsky *flags &= ~(MLX5_QP_FLAG_SCATTER_CQE | 251781530ab0SLeon Romanovsky MLX5_QP_FLAG_ALLOW_SCATTER_CQE); 251837518fa4SLeon Romanovsky return; 251981530ab0SLeon Romanovsky default: 252081530ab0SLeon Romanovsky break; 252137518fa4SLeon Romanovsky } 252237518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 252337518fa4SLeon Romanovsky } 252437518fa4SLeon Romanovsky 252537518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 25265ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 25272fdddbd5SLeon Romanovsky { 252837518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 252937518fa4SLeon Romanovsky bool cond; 25305ce0592bSLeon Romanovsky int flags; 25315ce0592bSLeon Romanovsky 25325ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 25335ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 25345ce0592bSLeon Romanovsky else 25355ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 253637518fa4SLeon Romanovsky 253737518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 25382fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 25397aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 25402fdddbd5SLeon Romanovsky break; 25412fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 25427aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 254337518fa4SLeon Romanovsky break; 25447aede1a2SLeon Romanovsky default: 25457aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 25467aede1a2SLeon Romanovsky break; 25477aede1a2SLeon Romanovsky /* 25487aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 25497aede1a2SLeon Romanovsky * wrong subtype were provided. 25507aede1a2SLeon Romanovsky */ 255137518fa4SLeon Romanovsky return -EINVAL; 25527aede1a2SLeon Romanovsky } 255337518fa4SLeon Romanovsky 255437518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 255537518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 255637518fa4SLeon Romanovsky 255737518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 255837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 255937518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 256081530ab0SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_ALLOW_SCATTER_CQE, 256181530ab0SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 256237518fa4SLeon Romanovsky 25637aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 256437518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 256537518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 256637518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 256737518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 256837518fa4SLeon Romanovsky cond, qp); 256937518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 257037518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 257137518fa4SLeon Romanovsky qp); 257237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 257337518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 257437518fa4SLeon Romanovsky qp); 257537518fa4SLeon Romanovsky } 257637518fa4SLeon Romanovsky 25777aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 257837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 257937518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 258037518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 258137518fa4SLeon Romanovsky 258276883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 258376883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 258476883a6cSLeon Romanovsky 25855d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 25865d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 25875d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 25885d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 25895d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 25905d6fffedSLeon Romanovsky cond); 25915d6fffedSLeon Romanovsky return -EINVAL; 25925d6fffedSLeon Romanovsky } 25935d6fffedSLeon Romanovsky 259437518fa4SLeon Romanovsky if (flags) 259537518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 259637518fa4SLeon Romanovsky 259737518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 25982fdddbd5SLeon Romanovsky } 25992fdddbd5SLeon Romanovsky 26002978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 26012978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26022978975cSLeon Romanovsky { 26032978975cSLeon Romanovsky if (!(*flags & flag)) 26042978975cSLeon Romanovsky return; 26052978975cSLeon Romanovsky 26062978975cSLeon Romanovsky if (cond) { 26072978975cSLeon Romanovsky qp->flags |= flag; 26082978975cSLeon Romanovsky *flags &= ~flag; 26092978975cSLeon Romanovsky return; 26102978975cSLeon Romanovsky } 26112978975cSLeon Romanovsky 26122978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26132978975cSLeon Romanovsky /* 26142978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26152978975cSLeon Romanovsky * just different in-kernel flow. 26162978975cSLeon Romanovsky */ 26172978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26182978975cSLeon Romanovsky return; 26192978975cSLeon Romanovsky } 26202978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 26212978975cSLeon Romanovsky } 26222978975cSLeon Romanovsky 26232978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26242978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 26252978975cSLeon Romanovsky { 26267aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 26272978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 26282978975cSLeon Romanovsky int create_flags = attr->create_flags; 26292978975cSLeon Romanovsky bool cond; 26302978975cSLeon Romanovsky 263142caf9cbSMark Bloch if (qp->type == IB_QPT_UD && dev->profile == &raw_eth_profile) 263242caf9cbSMark Bloch if (create_flags & ~MLX5_IB_QP_CREATE_WC_TEST) 263342caf9cbSMark Bloch return -EINVAL; 263442caf9cbSMark Bloch 26357aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 26362978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26372978975cSLeon Romanovsky 26382978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 26392978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26402978975cSLeon Romanovsky 2641f81b4565SLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP, 2642f81b4565SLeon Romanovsky mlx5_get_flow_namespace(dev->mdev, 2643f81b4565SLeon Romanovsky MLX5_FLOW_NAMESPACE_BYPASS), 2644f81b4565SLeon Romanovsky qp); 26452978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26469e0dc7b9SMax Gurtovoy IB_QP_CREATE_INTEGRITY_EN, 26479e0dc7b9SMax Gurtovoy MLX5_CAP_GEN(mdev, sho), qp); 26489e0dc7b9SMax Gurtovoy process_create_flag(dev, &create_flags, 26492978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 26502978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 26512978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 26522978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26532978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 26542978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26552978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 26562978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26572978975cSLeon Romanovsky 26582978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 26592978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26602978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 26612978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 26622978975cSLeon Romanovsky qp); 26632978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 26642978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 26652978975cSLeon Romanovsky cond, qp); 26662978975cSLeon Romanovsky } 26672978975cSLeon Romanovsky 26682978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 26692978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26702978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 26712978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26722978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 26732978975cSLeon Romanovsky 26742978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26752978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 26762978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26772978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 26782978975cSLeon Romanovsky } 26792978975cSLeon Romanovsky 26802978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26812978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 26822978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 26832978975cSLeon Romanovsky 26842978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 26852978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 26862978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 26872978975cSLeon Romanovsky true, qp); 26882978975cSLeon Romanovsky 26891f11a761SJason Gunthorpe if (create_flags) { 26902978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 26912978975cSLeon Romanovsky create_flags); 26921f11a761SJason Gunthorpe return -EOPNOTSUPP; 26931f11a761SJason Gunthorpe } 26941f11a761SJason Gunthorpe return 0; 26952978975cSLeon Romanovsky } 26962978975cSLeon Romanovsky 26976f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 26986f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 26992fdddbd5SLeon Romanovsky { 27002fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27016f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 27026f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 27035ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 27042fdddbd5SLeon Romanovsky 27056f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 2706e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27076f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 2708e383085cSLeon Romanovsky /* User has old rdma-core, which doesn't support ECE */ 2709e383085cSLeon Romanovsky size_t min_inlen = 2710e383085cSLeon Romanovsky offsetof(struct mlx5_ib_create_qp, ece_options); 2711e383085cSLeon Romanovsky 2712e383085cSLeon Romanovsky /* 2713e383085cSLeon Romanovsky * We will check in check_ucmd_data() that user 2714e383085cSLeon Romanovsky * cleared everything after inlen. 2715e383085cSLeon Romanovsky */ 2716e383085cSLeon Romanovsky params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); 27176f2cf76eSLeon Romanovsky goto out; 27186f2cf76eSLeon Romanovsky } 27195ce0592bSLeon Romanovsky 27206f2cf76eSLeon Romanovsky /* RSS RAW QP */ 27215ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 27226f2cf76eSLeon Romanovsky return -EINVAL; 27236f2cf76eSLeon Romanovsky 27246f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 27256f2cf76eSLeon Romanovsky return -EINVAL; 27265ce0592bSLeon Romanovsky 27275ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 2728e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27295ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 27306f2cf76eSLeon Romanovsky return -EINVAL; 27315ce0592bSLeon Romanovsky 27326f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 27336f2cf76eSLeon Romanovsky out: 27346f2cf76eSLeon Romanovsky if (!params->inlen) 2735e383085cSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small\n"); 27366f2cf76eSLeon Romanovsky 27376f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 27382fdddbd5SLeon Romanovsky } 27392fdddbd5SLeon Romanovsky 2740968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2741f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2742f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 27435d0dc3d9SLeon Romanovsky { 2744968f0b6fSLeon Romanovsky int err; 27455d0dc3d9SLeon Romanovsky 2746968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 2747968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 2748968f0b6fSLeon Romanovsky goto out; 2749968f0b6fSLeon Romanovsky } 2750968f0b6fSLeon Romanovsky 27512dc4d672SLeon Romanovsky switch (qp->type) { 27522dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 2753a645a89dSLeon Romanovsky err = create_dct(dev, pd, qp, params); 27542dc4d672SLeon Romanovsky break; 27552dc4d672SLeon Romanovsky case IB_QPT_XRC_TGT: 2756968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 27572dc4d672SLeon Romanovsky break; 27582dc4d672SLeon Romanovsky case IB_QPT_GSI: 27592dc4d672SLeon Romanovsky err = mlx5_ib_create_gsi(pd, qp, params->attr); 27602dc4d672SLeon Romanovsky break; 27612dc4d672SLeon Romanovsky default: 2762968f0b6fSLeon Romanovsky if (params->udata) 2763968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 2764968f0b6fSLeon Romanovsky else 2765968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 27662dc4d672SLeon Romanovsky } 2767968f0b6fSLeon Romanovsky 2768968f0b6fSLeon Romanovsky out: 2769968f0b6fSLeon Romanovsky if (err) { 2770968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 2771968f0b6fSLeon Romanovsky return err; 2772968f0b6fSLeon Romanovsky } 2773968f0b6fSLeon Romanovsky 2774968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 2775968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 2776968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 2777968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 2778968f0b6fSLeon Romanovsky else 2779968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2780968f0b6fSLeon Romanovsky 2781968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 27823e09a427SLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", 2783968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2784968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 2785968f0b6fSLeon Romanovsky -1, 2786968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 27873e09a427SLeon Romanovsky -1, 27883e09a427SLeon Romanovsky params->resp.ece_options); 2789968f0b6fSLeon Romanovsky 2790968f0b6fSLeon Romanovsky return 0; 27915d0dc3d9SLeon Romanovsky } 27925d0dc3d9SLeon Romanovsky 27937aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 27947aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 27957aede1a2SLeon Romanovsky { 27967aede1a2SLeon Romanovsky int ret = 0; 27977aede1a2SLeon Romanovsky 27987aede1a2SLeon Romanovsky switch (qp->type) { 27997aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 28007aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 28017aede1a2SLeon Romanovsky break; 28027aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 28037aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 28047aede1a2SLeon Romanovsky -EINVAL : 28057aede1a2SLeon Romanovsky 0; 28067aede1a2SLeon Romanovsky break; 2807266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 2808266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 2809266424ebSLeon Romanovsky break; 28107aede1a2SLeon Romanovsky default: 28117aede1a2SLeon Romanovsky break; 28127aede1a2SLeon Romanovsky } 28137aede1a2SLeon Romanovsky 28147aede1a2SLeon Romanovsky if (ret) 28157aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 28167aede1a2SLeon Romanovsky 28177aede1a2SLeon Romanovsky return ret; 28187aede1a2SLeon Romanovsky } 28197aede1a2SLeon Romanovsky 2820f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 2821f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 282221aad80bSLeon Romanovsky { 2823f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2824f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 282521aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 282621aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 282721aad80bSLeon Romanovsky 2828f78d358cSLeon Romanovsky if (params->is_rss_raw) 282921aad80bSLeon Romanovsky return 0; 283021aad80bSLeon Romanovsky 2831f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 283221aad80bSLeon Romanovsky } 283321aad80bSLeon Romanovsky 283408d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 283508d53976SLeon Romanovsky { 283608d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 283708d53976SLeon Romanovsky 283808d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 283908d53976SLeon Romanovsky int err; 284008d53976SLeon Romanovsky 284108d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 284208d53976SLeon Romanovsky if (err) { 284308d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 284408d53976SLeon Romanovsky return err; 284508d53976SLeon Romanovsky } 284608d53976SLeon Romanovsky } 284708d53976SLeon Romanovsky 284808d53976SLeon Romanovsky kfree(mqp->dct.in); 284908d53976SLeon Romanovsky kfree(mqp); 285008d53976SLeon Romanovsky return 0; 285108d53976SLeon Romanovsky } 285208d53976SLeon Romanovsky 2853e383085cSLeon Romanovsky static int check_ucmd_data(struct mlx5_ib_dev *dev, 2854e383085cSLeon Romanovsky struct mlx5_create_qp_params *params) 2855e383085cSLeon Romanovsky { 2856e383085cSLeon Romanovsky struct ib_udata *udata = params->udata; 2857e383085cSLeon Romanovsky size_t size, last; 2858e383085cSLeon Romanovsky int ret; 2859e383085cSLeon Romanovsky 2860e383085cSLeon Romanovsky if (params->is_rss_raw) 2861e383085cSLeon Romanovsky /* 2862e383085cSLeon Romanovsky * These QPs don't have "reserved" field in their 2863e383085cSLeon Romanovsky * create_qp input struct, so their data is always valid. 2864e383085cSLeon Romanovsky */ 2865e383085cSLeon Romanovsky last = sizeof(struct mlx5_ib_create_qp_rss); 2866e383085cSLeon Romanovsky else 2867e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, reserved); 2868e383085cSLeon Romanovsky 2869e383085cSLeon Romanovsky if (udata->inlen <= last) 2870e383085cSLeon Romanovsky return 0; 2871e383085cSLeon Romanovsky 2872e383085cSLeon Romanovsky /* 2873e383085cSLeon Romanovsky * User provides different create_qp structures based on the 2874e383085cSLeon Romanovsky * flow and we need to know if he cleared memory after our 2875e383085cSLeon Romanovsky * struct create_qp ends. 2876e383085cSLeon Romanovsky */ 2877e383085cSLeon Romanovsky size = udata->inlen - last; 2878e383085cSLeon Romanovsky ret = ib_is_udata_cleared(params->udata, last, size); 2879e383085cSLeon Romanovsky if (!ret) 2880e383085cSLeon Romanovsky mlx5_ib_dbg( 2881e383085cSLeon Romanovsky dev, 28824f5747cfSTom Seewald "udata is not cleared, inlen = %zu, ucmd = %zu, last = %zu, size = %zu\n", 2883e383085cSLeon Romanovsky udata->inlen, params->ucmd_size, last, size); 2884e383085cSLeon Romanovsky return ret ? 0 : -EINVAL; 2885e383085cSLeon Romanovsky } 2886e383085cSLeon Romanovsky 2887f78d358cSLeon Romanovsky struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attr, 2888e126ba97SEli Cohen struct ib_udata *udata) 2889e126ba97SEli Cohen { 2890f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 2891e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2892e126ba97SEli Cohen struct mlx5_ib_qp *qp; 28937aede1a2SLeon Romanovsky enum ib_qp_type type; 2894e126ba97SEli Cohen int err; 2895e126ba97SEli Cohen 28966eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 2897f78d358cSLeon Romanovsky to_mdev(to_mxrcd(attr->xrcd)->ibxrcd.device); 28980fb2ed66Smajd@mellanox.com 2899f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 29002242cc25SLeon Romanovsky if (err) 29012242cc25SLeon Romanovsky return ERR_PTR(err); 2902e126ba97SEli Cohen 2903f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 2904f78d358cSLeon Romanovsky if (err) 2905f78d358cSLeon Romanovsky return ERR_PTR(err); 2906f78d358cSLeon Romanovsky 2907f78d358cSLeon Romanovsky params.udata = udata; 2908f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 2909f78d358cSLeon Romanovsky params.attr = attr; 2910f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 29119c2ba4edSLeon Romanovsky 29125ce0592bSLeon Romanovsky if (udata) { 29136f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 29146f2cf76eSLeon Romanovsky if (err) 29156f2cf76eSLeon Romanovsky return ERR_PTR(err); 29162fdddbd5SLeon Romanovsky 2917e383085cSLeon Romanovsky err = check_ucmd_data(dev, ¶ms); 2918e383085cSLeon Romanovsky if (err) 2919e383085cSLeon Romanovsky return ERR_PTR(err); 2920e383085cSLeon Romanovsky 2921e383085cSLeon Romanovsky params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); 2922f78d358cSLeon Romanovsky if (!params.ucmd) 29235ce0592bSLeon Romanovsky return ERR_PTR(-ENOMEM); 29245ce0592bSLeon Romanovsky 2925f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 29262fdddbd5SLeon Romanovsky if (err) 29275ce0592bSLeon Romanovsky goto free_ucmd; 29282fdddbd5SLeon Romanovsky } 29292fdddbd5SLeon Romanovsky 29309c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 29315ce0592bSLeon Romanovsky if (!qp) { 29325ce0592bSLeon Romanovsky err = -ENOMEM; 29335ce0592bSLeon Romanovsky goto free_ucmd; 29345ce0592bSLeon Romanovsky } 29359c2ba4edSLeon Romanovsky 29367fa84b57SLeon Romanovsky mutex_init(&qp->mutex); 29377aede1a2SLeon Romanovsky qp->type = type; 293837518fa4SLeon Romanovsky if (udata) { 2939f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 2940b4aaa1f0SMoni Shoua if (err) 29419c2ba4edSLeon Romanovsky goto free_qp; 294221aad80bSLeon Romanovsky 2943f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 294421aad80bSLeon Romanovsky if (err) 294521aad80bSLeon Romanovsky goto free_qp; 2946b4aaa1f0SMoni Shoua } 2947f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 29482978975cSLeon Romanovsky if (err) 29492978975cSLeon Romanovsky goto free_qp; 2950b4aaa1f0SMoni Shoua 2951f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 29527aede1a2SLeon Romanovsky if (err) 29537aede1a2SLeon Romanovsky goto free_qp; 29547aede1a2SLeon Romanovsky 2955968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 2956968f0b6fSLeon Romanovsky if (err) 29579c2ba4edSLeon Romanovsky goto free_qp; 2958e126ba97SEli Cohen 2959f78d358cSLeon Romanovsky kfree(params.ucmd); 296008d53976SLeon Romanovsky params.ucmd = NULL; 29615ce0592bSLeon Romanovsky 296208d53976SLeon Romanovsky if (udata) 296308d53976SLeon Romanovsky /* 296408d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 296508d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 296608d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 296708d53976SLeon Romanovsky */ 296808d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 296908d53976SLeon Romanovsky if (err) 297008d53976SLeon Romanovsky goto destroy_qp; 297108d53976SLeon Romanovsky 2972e126ba97SEli Cohen return &qp->ibqp; 29739c2ba4edSLeon Romanovsky 297408d53976SLeon Romanovsky destroy_qp: 29752dc4d672SLeon Romanovsky switch (qp->type) { 29762dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 297708d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 29782dc4d672SLeon Romanovsky break; 29792dc4d672SLeon Romanovsky case IB_QPT_GSI: 29802dc4d672SLeon Romanovsky mlx5_ib_destroy_gsi(qp); 29812dc4d672SLeon Romanovsky break; 29822dc4d672SLeon Romanovsky default: 29836c41965dSLeon Romanovsky /* 29840a037150SLeon Romanovsky * These lines below are temp solution till QP allocation 29856c41965dSLeon Romanovsky * will be moved to be under IB/core responsiblity. 29866c41965dSLeon Romanovsky */ 29876c41965dSLeon Romanovsky qp->ibqp.send_cq = attr->send_cq; 29886c41965dSLeon Romanovsky qp->ibqp.recv_cq = attr->recv_cq; 29890a037150SLeon Romanovsky qp->ibqp.pd = pd; 299008d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 29916c41965dSLeon Romanovsky } 29926c41965dSLeon Romanovsky 299308d53976SLeon Romanovsky qp = NULL; 29949c2ba4edSLeon Romanovsky free_qp: 29959c2ba4edSLeon Romanovsky kfree(qp); 29965ce0592bSLeon Romanovsky free_ucmd: 2997f78d358cSLeon Romanovsky kfree(params.ucmd); 29989c2ba4edSLeon Romanovsky return ERR_PTR(err); 2999e126ba97SEli Cohen } 3000e126ba97SEli Cohen 3001c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 3002e126ba97SEli Cohen { 3003e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 3004e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 3005e126ba97SEli Cohen 3006d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 30070d9aef86SLeon Romanovsky return mlx5_ib_destroy_gsi(mqp); 3008d16e91daSHaggai Eran 30097aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 3010776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 3011776a3906SMoni Shoua 3012bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 3013e126ba97SEli Cohen 3014e126ba97SEli Cohen kfree(mqp); 3015e126ba97SEli Cohen 3016e126ba97SEli Cohen return 0; 3017e126ba97SEli Cohen } 3018e126ba97SEli Cohen 3019f18e26afSLeon Romanovsky static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, 3020f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, int attr_mask, 3021f18e26afSLeon Romanovsky void *qpc) 3022e126ba97SEli Cohen { 3023a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 3024f18e26afSLeon Romanovsky u8 dest_rd_atomic; 3025f18e26afSLeon Romanovsky u32 access_flags; 3026a60109dcSYonatan Cohen 3027e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 3028e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 3029e126ba97SEli Cohen else 303019098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 3031e126ba97SEli Cohen 3032e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 3033e126ba97SEli Cohen access_flags = attr->qp_access_flags; 3034e126ba97SEli Cohen else 303519098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 3036e126ba97SEli Cohen 3037e126ba97SEli Cohen if (!dest_rd_atomic) 3038e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 3039e126ba97SEli Cohen 3040f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); 3041f18e26afSLeon Romanovsky 304213f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3043a60109dcSYonatan Cohen int atomic_mode; 3044e126ba97SEli Cohen 3045a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 3046a60109dcSYonatan Cohen if (atomic_mode < 0) 3047a60109dcSYonatan Cohen return -EOPNOTSUPP; 3048a60109dcSYonatan Cohen 3049f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rae, 1); 3050f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); 3051a60109dcSYonatan Cohen } 3052a60109dcSYonatan Cohen 3053f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); 3054a60109dcSYonatan Cohen return 0; 3055e126ba97SEli Cohen } 3056e126ba97SEli Cohen 3057e126ba97SEli Cohen enum { 3058e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3059e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3060e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3061e126ba97SEli Cohen }; 3062e126ba97SEli Cohen 3063c531024bSMark Zhang static int ib_to_mlx5_rate_map(u8 rate) 3064c531024bSMark Zhang { 3065c531024bSMark Zhang switch (rate) { 3066c531024bSMark Zhang case IB_RATE_PORT_CURRENT: 3067c531024bSMark Zhang return 0; 3068c531024bSMark Zhang case IB_RATE_56_GBPS: 3069c531024bSMark Zhang return 1; 3070c531024bSMark Zhang case IB_RATE_25_GBPS: 3071c531024bSMark Zhang return 2; 3072c531024bSMark Zhang case IB_RATE_100_GBPS: 3073c531024bSMark Zhang return 3; 3074c531024bSMark Zhang case IB_RATE_200_GBPS: 3075c531024bSMark Zhang return 4; 3076c531024bSMark Zhang case IB_RATE_50_GBPS: 3077c531024bSMark Zhang return 5; 3078c531024bSMark Zhang default: 3079c531024bSMark Zhang return rate + MLX5_STAT_RATE_OFFSET; 3080c531024bSMark Zhang }; 3081c531024bSMark Zhang 3082c531024bSMark Zhang return 0; 3083c531024bSMark Zhang } 3084c531024bSMark Zhang 3085e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3086e126ba97SEli Cohen { 3087c531024bSMark Zhang u32 stat_rate_support; 3088c531024bSMark Zhang 30894f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3090e126ba97SEli Cohen return 0; 30914f32ac2eSDanit Goldberg 3092a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3093e126ba97SEli Cohen return -EINVAL; 30944f32ac2eSDanit Goldberg 3095c531024bSMark Zhang stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); 30964f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3097c531024bSMark Zhang !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) 3098e126ba97SEli Cohen --rate; 3099e126ba97SEli Cohen 3100c531024bSMark Zhang return ib_to_mlx5_rate_map(rate); 3101e126ba97SEli Cohen } 3102e126ba97SEli Cohen 310375850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 31041cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 31051cd6dbd3SYishai Hadas struct ib_pd *pd) 310675850d0bSmajd@mellanox.com { 310775850d0bSmajd@mellanox.com void *in; 310875850d0bSmajd@mellanox.com void *tisc; 310975850d0bSmajd@mellanox.com int inlen; 311075850d0bSmajd@mellanox.com int err; 311175850d0bSmajd@mellanox.com 311275850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 31131b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 311475850d0bSmajd@mellanox.com if (!in) 311575850d0bSmajd@mellanox.com return -ENOMEM; 311675850d0bSmajd@mellanox.com 311775850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 31181cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 311975850d0bSmajd@mellanox.com 312075850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 312175850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 312275850d0bSmajd@mellanox.com 3123e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 312475850d0bSmajd@mellanox.com 312575850d0bSmajd@mellanox.com kvfree(in); 312675850d0bSmajd@mellanox.com 312775850d0bSmajd@mellanox.com return err; 312875850d0bSmajd@mellanox.com } 312975850d0bSmajd@mellanox.com 313013eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 31311cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 31321cd6dbd3SYishai Hadas struct ib_pd *pd) 313313eab21fSAviv Heller { 313413eab21fSAviv Heller void *in; 313513eab21fSAviv Heller void *tisc; 313613eab21fSAviv Heller int inlen; 313713eab21fSAviv Heller int err; 313813eab21fSAviv Heller 313913eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 31401b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 314113eab21fSAviv Heller if (!in) 314213eab21fSAviv Heller return -ENOMEM; 314313eab21fSAviv Heller 314413eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 31451cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 314613eab21fSAviv Heller 314713eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 314813eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 314913eab21fSAviv Heller 3150e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 315113eab21fSAviv Heller 315213eab21fSAviv Heller kvfree(in); 315313eab21fSAviv Heller 315413eab21fSAviv Heller return err; 315513eab21fSAviv Heller } 315613eab21fSAviv Heller 3157f18e26afSLeon Romanovsky static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, 31582b880b2eSMark Zhang u32 lqpn, u32 rqpn) 31592b880b2eSMark Zhang 31602b880b2eSMark Zhang { 31612b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 31622b880b2eSMark Zhang 31632b880b2eSMark Zhang if (!fl) 31642b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 31652b880b2eSMark Zhang 3166f18e26afSLeon Romanovsky MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); 31672b880b2eSMark Zhang } 31682b880b2eSMark Zhang 316975850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 3170f18e26afSLeon Romanovsky const struct rdma_ah_attr *ah, void *path, u8 port, 3171f18e26afSLeon Romanovsky int attr_mask, u32 path_flags, 3172f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, bool alt) 3173e126ba97SEli Cohen { 3174d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3175e126ba97SEli Cohen int err; 3176ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3177d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3178d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3179e126ba97SEli Cohen 3180e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3181f18e26afSLeon Romanovsky MLX5_SET(ads, path, pkey_index, 3182f18e26afSLeon Romanovsky alt ? attr->alt_pkey_index : attr->pkey_index); 3183e126ba97SEli Cohen 3184d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3185d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 3186938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 3187f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3188d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 3189938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 3190f83b4263SEli Cohen return -EINVAL; 3191f83b4263SEli Cohen } 31922811ba51SAchiad Shochat } 319344c58487SDasaratharaman Chandramouli 319444c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3195d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 31962811ba51SAchiad Shochat return -EINVAL; 319747ec3866SParav Pandit 3198f18e26afSLeon Romanovsky ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), 3199f18e26afSLeon Romanovsky ah->roce.dmac); 32002b880b2eSMark Zhang if ((qp->ibqp.qp_type == IB_QPT_RC || 32012b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 32022b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 32032b880b2eSMark Zhang qp->ibqp.qp_type == IB_QPT_XRC_TGT) && 32042b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 32052b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 32062b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 32072b880b2eSMark Zhang qp->ibqp.qp_num, 32082b880b2eSMark Zhang attr->dest_qp_num); 3209f18e26afSLeon Romanovsky MLX5_SET(ads, path, eth_prio, sl & 0x7); 321047ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3211ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3212f18e26afSLeon Romanovsky MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); 32132811ba51SAchiad Shochat } else { 3214f18e26afSLeon Romanovsky MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); 3215f18e26afSLeon Romanovsky MLX5_SET(ads, path, free_ar, 3216f18e26afSLeon Romanovsky !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); 3217f18e26afSLeon Romanovsky MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); 3218f18e26afSLeon Romanovsky MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); 3219f18e26afSLeon Romanovsky MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); 3220f18e26afSLeon Romanovsky MLX5_SET(ads, path, sl, sl); 32212811ba51SAchiad Shochat } 32222811ba51SAchiad Shochat 3223d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3224f18e26afSLeon Romanovsky MLX5_SET(ads, path, src_addr_index, grh->sgid_index); 3225f18e26afSLeon Romanovsky MLX5_SET(ads, path, hop_limit, grh->hop_limit); 3226f18e26afSLeon Romanovsky MLX5_SET(ads, path, tclass, grh->traffic_class); 3227f18e26afSLeon Romanovsky MLX5_SET(ads, path, flow_label, grh->flow_label); 3228f18e26afSLeon Romanovsky memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, 3229f18e26afSLeon Romanovsky sizeof(grh->dgid.raw)); 3230e126ba97SEli Cohen } 3231e126ba97SEli Cohen 3232d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3233e126ba97SEli Cohen if (err < 0) 3234e126ba97SEli Cohen return err; 3235f18e26afSLeon Romanovsky MLX5_SET(ads, path, stat_rate, err); 3236f18e26afSLeon Romanovsky MLX5_SET(ads, path, vhca_port_num, port); 3237e126ba97SEli Cohen 3238e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3239f18e26afSLeon Romanovsky MLX5_SET(ads, path, ack_timeout, 3240f18e26afSLeon Romanovsky alt ? attr->alt_timeout : attr->timeout); 3241e126ba97SEli Cohen 324275850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 324375850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 324475850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 32451cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 324675850d0bSmajd@mellanox.com 3247e126ba97SEli Cohen return 0; 3248e126ba97SEli Cohen } 3249e126ba97SEli Cohen 3250e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3251e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3252e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3253e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3254e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3255e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3256e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3257cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3258cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3259e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3260e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3261cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3262cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3263e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3264e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3265e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 32668f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 32678f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 32688f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 32698f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3270cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3271cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3272e126ba97SEli Cohen }, 3273e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3274e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3275e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3276e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3277e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3278cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3279cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3280e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3281e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3282cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3283cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3284e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3285e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3286e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3287e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3288a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3289a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3290a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3291a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3292cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3293cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3294e126ba97SEli Cohen }, 3295e126ba97SEli Cohen }, 3296e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3297e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3298e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3299e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3300e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3301e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3302e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3303e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3304e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3305e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3306e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3307e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 33088f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 33098f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 33108f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33118f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33128f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 33138f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3314e126ba97SEli Cohen }, 3315e126ba97SEli Cohen }, 3316e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3317e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3318e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3319e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3320e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3321e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3322c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3323c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3324e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3325c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3326c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3327e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3328e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3329e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 33308f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 33318f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33328f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33338f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 33348f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 33358f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3336e126ba97SEli Cohen }, 3337e126ba97SEli Cohen }, 3338e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3339e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3340e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3341e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 334275959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3343a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3344a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3345a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3346a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 33478f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 33488f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33498f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33508f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3351e126ba97SEli Cohen }, 3352e126ba97SEli Cohen }, 3353e126ba97SEli Cohen }; 3354e126ba97SEli Cohen 3355e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3356e126ba97SEli Cohen { 3357e126ba97SEli Cohen switch (ib_mask) { 3358e126ba97SEli Cohen case IB_QP_STATE: 3359e126ba97SEli Cohen return 0; 3360e126ba97SEli Cohen case IB_QP_CUR_STATE: 3361e126ba97SEli Cohen return 0; 3362e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3363e126ba97SEli Cohen return 0; 3364e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3365e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3366e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3367e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3368e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3369e126ba97SEli Cohen case IB_QP_PORT: 3370e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3371e126ba97SEli Cohen case IB_QP_QKEY: 3372e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3373e126ba97SEli Cohen case IB_QP_AV: 3374e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3375e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3376e126ba97SEli Cohen case IB_QP_PATH_MTU: 3377e126ba97SEli Cohen return 0; 3378e126ba97SEli Cohen case IB_QP_TIMEOUT: 3379e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3380e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3381e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3382e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3383e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3384e126ba97SEli Cohen case IB_QP_RQ_PSN: 3385e126ba97SEli Cohen return 0; 3386e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3387e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3388e126ba97SEli Cohen case IB_QP_ALT_PATH: 3389e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3390e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3391e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3392e126ba97SEli Cohen case IB_QP_SQ_PSN: 3393e126ba97SEli Cohen return 0; 3394e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3395e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3396e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3397e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3398e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3399e126ba97SEli Cohen case IB_QP_CAP: 3400e126ba97SEli Cohen return 0; 3401e126ba97SEli Cohen case IB_QP_DEST_QPN: 3402e126ba97SEli Cohen return 0; 3403e126ba97SEli Cohen } 3404e126ba97SEli Cohen return 0; 3405e126ba97SEli Cohen } 3406e126ba97SEli Cohen 3407e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3408e126ba97SEli Cohen { 3409e126ba97SEli Cohen int result = 0; 3410e126ba97SEli Cohen int i; 3411e126ba97SEli Cohen 3412e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3413e126ba97SEli Cohen if ((1 << i) & ib_mask) 3414e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3415e126ba97SEli Cohen } 3416e126ba97SEli Cohen 3417e126ba97SEli Cohen return result; 3418e126ba97SEli Cohen } 3419e126ba97SEli Cohen 342034d57585SYishai Hadas static int modify_raw_packet_qp_rq( 342134d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 342234d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3423ad5f8e96Smajd@mellanox.com { 3424ad5f8e96Smajd@mellanox.com void *in; 3425ad5f8e96Smajd@mellanox.com void *rqc; 3426ad5f8e96Smajd@mellanox.com int inlen; 3427ad5f8e96Smajd@mellanox.com int err; 3428ad5f8e96Smajd@mellanox.com 3429ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 34301b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3431ad5f8e96Smajd@mellanox.com if (!in) 3432ad5f8e96Smajd@mellanox.com return -ENOMEM; 3433ad5f8e96Smajd@mellanox.com 3434ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 343534d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3436ad5f8e96Smajd@mellanox.com 3437ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3438ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3439ad5f8e96Smajd@mellanox.com 3440eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3441eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3442eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 344323a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3444eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3445eb49ab0cSAlex Vesker } else 34465a738b5dSJason Gunthorpe dev_info_once( 34475a738b5dSJason Gunthorpe &dev->ib_dev.dev, 34485a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3449eb49ab0cSAlex Vesker } 3450eb49ab0cSAlex Vesker 3451e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3452ad5f8e96Smajd@mellanox.com if (err) 3453ad5f8e96Smajd@mellanox.com goto out; 3454ad5f8e96Smajd@mellanox.com 3455ad5f8e96Smajd@mellanox.com rq->state = new_state; 3456ad5f8e96Smajd@mellanox.com 3457ad5f8e96Smajd@mellanox.com out: 3458ad5f8e96Smajd@mellanox.com kvfree(in); 3459ad5f8e96Smajd@mellanox.com return err; 3460ad5f8e96Smajd@mellanox.com } 3461ad5f8e96Smajd@mellanox.com 3462c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3463c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3464c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3465ad5f8e96Smajd@mellanox.com { 34667d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 346761147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 346861147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 346961147f39SBodong Wang bool new_rate_added = false; 34707d29f349SBodong Wang u16 rl_index = 0; 3471ad5f8e96Smajd@mellanox.com void *in; 3472ad5f8e96Smajd@mellanox.com void *sqc; 3473ad5f8e96Smajd@mellanox.com int inlen; 3474ad5f8e96Smajd@mellanox.com int err; 3475ad5f8e96Smajd@mellanox.com 3476ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 34771b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3478ad5f8e96Smajd@mellanox.com if (!in) 3479ad5f8e96Smajd@mellanox.com return -ENOMEM; 3480ad5f8e96Smajd@mellanox.com 3481c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3482ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3483ad5f8e96Smajd@mellanox.com 3484ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3485ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3486ad5f8e96Smajd@mellanox.com 34877d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 34887d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 34897d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 34907d29f349SBodong Wang __func__); 34917d29f349SBodong Wang else 349261147f39SBodong Wang new_rl = raw_qp_param->rl; 34937d29f349SBodong Wang } 3494ad5f8e96Smajd@mellanox.com 349561147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 349661147f39SBodong Wang if (new_rl.rate) { 349761147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 34987d29f349SBodong Wang if (err) { 349961147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 350061147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 350161147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 350261147f39SBodong Wang new_rl.typical_pkt_sz); 350361147f39SBodong Wang 35047d29f349SBodong Wang goto out; 35057d29f349SBodong Wang } 350661147f39SBodong Wang new_rate_added = true; 35077d29f349SBodong Wang } 35087d29f349SBodong Wang 35097d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 351061147f39SBodong Wang /* index 0 means no limit */ 35117d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 35127d29f349SBodong Wang } 35137d29f349SBodong Wang 3514e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 35157d29f349SBodong Wang if (err) { 35167d29f349SBodong Wang /* Remove new rate from table if failed */ 351761147f39SBodong Wang if (new_rate_added) 351861147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 35197d29f349SBodong Wang goto out; 35207d29f349SBodong Wang } 35217d29f349SBodong Wang 35227d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3523c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3524c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 352561147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3526c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3527c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3528c8973df2SRafi Wiener } 35297d29f349SBodong Wang 353061147f39SBodong Wang ibqp->rl = new_rl; 3531ad5f8e96Smajd@mellanox.com sq->state = new_state; 3532ad5f8e96Smajd@mellanox.com 3533ad5f8e96Smajd@mellanox.com out: 3534ad5f8e96Smajd@mellanox.com kvfree(in); 3535ad5f8e96Smajd@mellanox.com return err; 3536ad5f8e96Smajd@mellanox.com } 3537ad5f8e96Smajd@mellanox.com 3538ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 353913eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 354013eab21fSAviv Heller u8 tx_affinity) 3541ad5f8e96Smajd@mellanox.com { 3542ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3543ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3544ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 35457d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 35467d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3547ad5f8e96Smajd@mellanox.com int rq_state; 3548ad5f8e96Smajd@mellanox.com int sq_state; 3549ad5f8e96Smajd@mellanox.com int err; 3550ad5f8e96Smajd@mellanox.com 35510680efa2SAlex Vesker switch (raw_qp_param->operation) { 3552ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3553ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3554c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RST; 3555ad5f8e96Smajd@mellanox.com break; 3556ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3557ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3558ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3559ad5f8e96Smajd@mellanox.com break; 3560ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3561ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3562ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3563ad5f8e96Smajd@mellanox.com break; 3564ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3565ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 3566c94e272bSMaor Gottlieb if (raw_qp_param->set_mask & ~MLX5_RAW_QP_RATE_LIMIT) 3567c94e272bSMaor Gottlieb return -EINVAL; 3568c94e272bSMaor Gottlieb 35697d29f349SBodong Wang modify_rq = 0; 3570c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RDY; 35717d29f349SBodong Wang break; 35727d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 35737d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3574eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3575eb49ab0cSAlex Vesker return -EINVAL; 3576eb49ab0cSAlex Vesker else 3577ad5f8e96Smajd@mellanox.com return 0; 3578ad5f8e96Smajd@mellanox.com default: 3579ad5f8e96Smajd@mellanox.com WARN_ON(1); 3580ad5f8e96Smajd@mellanox.com return -EINVAL; 3581ad5f8e96Smajd@mellanox.com } 3582ad5f8e96Smajd@mellanox.com 35837d29f349SBodong Wang if (modify_rq) { 358434d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 358534d57585SYishai Hadas qp->ibqp.pd); 3586ad5f8e96Smajd@mellanox.com if (err) 3587ad5f8e96Smajd@mellanox.com return err; 3588ad5f8e96Smajd@mellanox.com } 3589ad5f8e96Smajd@mellanox.com 35907d29f349SBodong Wang if (modify_sq) { 3591d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3592d5ed8ac3SMark Bloch 359313eab21fSAviv Heller if (tx_affinity) { 359413eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 35951cd6dbd3SYishai Hadas tx_affinity, 35961cd6dbd3SYishai Hadas qp->ibqp.pd); 359713eab21fSAviv Heller if (err) 359813eab21fSAviv Heller return err; 359913eab21fSAviv Heller } 360013eab21fSAviv Heller 3601d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3602d5ed8ac3SMark Bloch raw_qp_param->port); 3603d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 36041db86318SColin Ian King return PTR_ERR(flow_rule); 3605d5ed8ac3SMark Bloch 3606d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3607c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3608d5ed8ac3SMark Bloch if (err) { 3609d5ed8ac3SMark Bloch if (flow_rule) 3610d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3611d5ed8ac3SMark Bloch return err; 3612d5ed8ac3SMark Bloch } 3613d5ed8ac3SMark Bloch 3614d5ed8ac3SMark Bloch if (flow_rule) { 3615d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3616d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3617d5ed8ac3SMark Bloch } 3618d5ed8ac3SMark Bloch 3619d5ed8ac3SMark Bloch return err; 362013eab21fSAviv Heller } 3621ad5f8e96Smajd@mellanox.com 3622ad5f8e96Smajd@mellanox.com return 0; 3623ad5f8e96Smajd@mellanox.com } 3624ad5f8e96Smajd@mellanox.com 36255163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 36265163b274SMaor Gottlieb struct ib_udata *udata) 3627c6a21c38SMajd Dibbiny { 362889944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 362989944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 36305163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 36315163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3632c6a21c38SMajd Dibbiny 36335163b274SMaor Gottlieb if (ucontext) 36345163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 36355163b274SMaor Gottlieb else 36365163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 36375163b274SMaor Gottlieb 36385163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 36395163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3640c6a21c38SMajd Dibbiny } 3641c6a21c38SMajd Dibbiny 36428f3243a0SMark Zhang static bool qp_supports_affinity(struct mlx5_ib_qp *qp) 36435163b274SMaor Gottlieb { 36448f3243a0SMark Zhang if ((qp->type == IB_QPT_RC) || (qp->type == IB_QPT_UD) || 36458f3243a0SMark Zhang (qp->type == IB_QPT_UC) || (qp->type == IB_QPT_RAW_PACKET) || 36468f3243a0SMark Zhang (qp->type == IB_QPT_XRC_INI) || (qp->type == IB_QPT_XRC_TGT) || 36478f3243a0SMark Zhang (qp->type == MLX5_IB_QPT_DCI)) 36485163b274SMaor Gottlieb return true; 36495163b274SMaor Gottlieb return false; 36505163b274SMaor Gottlieb } 36515163b274SMaor Gottlieb 3652cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3653cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3654cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 36555163b274SMaor Gottlieb struct ib_udata *udata) 36565163b274SMaor Gottlieb { 36575163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 36585163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 36595163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 36605163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 36615163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 36625163b274SMaor Gottlieb unsigned int tx_affinity; 36635163b274SMaor Gottlieb 3664802dcc7fSMark Zhang if (!(mlx5_ib_lag_should_assign_affinity(dev) && 36658f3243a0SMark Zhang qp_supports_affinity(mqp))) 36665163b274SMaor Gottlieb return 0; 36675163b274SMaor Gottlieb 3668cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3669cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3670cfc1a89eSMaor Gottlieb else if (init) 36715163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3672cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3673cfc1a89eSMaor Gottlieb tx_affinity = 3674cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3675cfc1a89eSMaor Gottlieb else 3676cfc1a89eSMaor Gottlieb return 0; 36775163b274SMaor Gottlieb 36785163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 36795163b274SMaor Gottlieb if (ucontext) 36805163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 36815163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 36825163b274SMaor Gottlieb else 36835163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 36845163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 36855163b274SMaor Gottlieb return tx_affinity; 3686c6a21c38SMajd Dibbiny } 3687c6a21c38SMajd Dibbiny 3688d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3689d14133ddSMark Zhang struct rdma_counter *counter) 3690d14133ddSMark Zhang { 3691d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 369264bae2d4SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; 3693d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3694d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3695d14133ddSMark Zhang u32 set_id; 369664bae2d4SLeon Romanovsky u32 *qpc; 3697d14133ddSMark Zhang 36983e1f000fSParav Pandit if (counter) 3699d14133ddSMark Zhang set_id = counter->id; 37003e1f000fSParav Pandit else 37013e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3702d14133ddSMark Zhang 3703d14133ddSMark Zhang base = &mqp->trans_qp.base; 370464bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); 370564bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); 370664bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); 370764bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opt_param_mask, 370864bae2d4SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID); 370964bae2d4SLeon Romanovsky 371064bae2d4SLeon Romanovsky qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); 371164bae2d4SLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 371264bae2d4SLeon Romanovsky return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); 3713d14133ddSMark Zhang } 3714d14133ddSMark Zhang 3715e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3716e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 371789944450SShamir Rabinovitch enum ib_qp_state cur_state, 371889944450SShamir Rabinovitch enum ib_qp_state new_state, 371989944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 372050aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp *resp, 372189944450SShamir Rabinovitch struct ib_udata *udata) 3722e126ba97SEli Cohen { 3723427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3724427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3725427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3726427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3727427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3728427c1e7bSmajd@mellanox.com }, 3729427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3730427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3731427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3732427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3733427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3734427c1e7bSmajd@mellanox.com }, 3735427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3736427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3737427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3738427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3739427c1e7bSmajd@mellanox.com }, 3740427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3741427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3742427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3743427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3744427c1e7bSmajd@mellanox.com }, 3745427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3746427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3747427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3748427c1e7bSmajd@mellanox.com }, 3749427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3750427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3751427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3752427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3753427c1e7bSmajd@mellanox.com }, 3754427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3755427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3756427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3757427c1e7bSmajd@mellanox.com } 3758427c1e7bSmajd@mellanox.com }; 3759427c1e7bSmajd@mellanox.com 3760e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3761e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 376219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3763e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3764e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3765e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3766f18e26afSLeon Romanovsky void *qpc, *pri_path, *alt_path; 3767cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 3768d14133ddSMark Zhang u32 set_id = 0; 3769e126ba97SEli Cohen int mlx5_st; 3770e126ba97SEli Cohen int err; 3771427c1e7bSmajd@mellanox.com u16 op; 377213eab21fSAviv Heller u8 tx_affinity = 0; 3773e126ba97SEli Cohen 37747aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 377555de9a77SLeon Romanovsky if (mlx5_st < 0) 377655de9a77SLeon Romanovsky return -EINVAL; 377755de9a77SLeon Romanovsky 3778f18e26afSLeon Romanovsky qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); 3779f18e26afSLeon Romanovsky if (!qpc) 3780e126ba97SEli Cohen return -ENOMEM; 3781e126ba97SEli Cohen 3782029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 3783f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 3784e126ba97SEli Cohen 3785e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3786f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3787e126ba97SEli Cohen } else { 3788e126ba97SEli Cohen switch (attr->path_mig_state) { 3789e126ba97SEli Cohen case IB_MIG_MIGRATED: 3790f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3791e126ba97SEli Cohen break; 3792e126ba97SEli Cohen case IB_MIG_REARM: 3793f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); 3794e126ba97SEli Cohen break; 3795e126ba97SEli Cohen case IB_MIG_ARMED: 3796f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); 3797e126ba97SEli Cohen break; 3798e126ba97SEli Cohen } 3799e126ba97SEli Cohen } 3800e126ba97SEli Cohen 3801cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 38025163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 38035163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 3804f18e26afSLeon Romanovsky 3805f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); 3806f18e26afSLeon Romanovsky if (tx_affinity && new_state == IB_QPS_RTR && 3807cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 3808cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 380913eab21fSAviv Heller 3810d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3811f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_256); 3812f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 8); 3813c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 38142be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3815e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3816f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); 3817f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 12); 3818e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3819e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3820e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3821e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3822e126ba97SEli Cohen err = -EINVAL; 3823e126ba97SEli Cohen goto out; 3824e126ba97SEli Cohen } 3825f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, attr->path_mtu); 3826f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 3827f18e26afSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, log_max_msg)); 3828e126ba97SEli Cohen } 3829e126ba97SEli Cohen 3830e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3831f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); 3832f18e26afSLeon Romanovsky 3833f18e26afSLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 3834f18e26afSLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 3835e126ba97SEli Cohen 3836e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3837f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); 3838e126ba97SEli Cohen 3839e126ba97SEli Cohen /* todo implement counter_index functionality */ 3840e126ba97SEli Cohen 3841e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3842f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, qp->port); 3843e126ba97SEli Cohen 3844e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3845f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); 3846e126ba97SEli Cohen 3847e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 3848f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, 3849f18e26afSLeon Romanovsky attr_mask & IB_QP_PORT ? attr->port_num : 3850f18e26afSLeon Romanovsky qp->port, 3851f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3852e126ba97SEli Cohen if (err) 3853e126ba97SEli Cohen goto out; 3854e126ba97SEli Cohen } 3855e126ba97SEli Cohen 3856e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3857f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); 3858e126ba97SEli Cohen 3859e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 3860f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, 3861f879ee8dSAchiad Shochat attr->alt_port_num, 3862f18e26afSLeon Romanovsky attr_mask | IB_QP_PKEY_INDEX | 3863f18e26afSLeon Romanovsky IB_QP_TIMEOUT, 3864f879ee8dSAchiad Shochat 0, attr, true); 3865e126ba97SEli Cohen if (err) 3866e126ba97SEli Cohen goto out; 3867e126ba97SEli Cohen } 3868e126ba97SEli Cohen 386989ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 387089ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3871e126ba97SEli Cohen 3872f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3873f18e26afSLeon Romanovsky if (send_cq) 3874f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); 3875f18e26afSLeon Romanovsky if (recv_cq) 3876f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); 3877f18e26afSLeon Romanovsky 3878f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); 3879e126ba97SEli Cohen 3880e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3881f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); 3882e126ba97SEli Cohen 3883e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3884f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); 3885e126ba97SEli Cohen 3886f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) 3887f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); 3888e126ba97SEli Cohen 3889e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3890f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); 3891e126ba97SEli Cohen 3892f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) 3893f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_rra_max, 3894f18e26afSLeon Romanovsky ilog2(attr->max_dest_rd_atomic)); 3895e126ba97SEli Cohen 3896a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3897f18e26afSLeon Romanovsky err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); 3898a60109dcSYonatan Cohen if (err) 3899a60109dcSYonatan Cohen goto out; 3900a60109dcSYonatan Cohen } 3901e126ba97SEli Cohen 3902e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3903f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); 3904e126ba97SEli Cohen 3905e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3906f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); 3907e126ba97SEli Cohen 3908e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3909f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, q_key, attr->qkey); 3910e126ba97SEli Cohen 3911e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3912f18e26afSLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 3913e126ba97SEli Cohen 39140837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 39150837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 39160837e86aSMark Bloch qp->port) - 1; 3917c2e53b2cSYishai Hadas 3918c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 39192be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 3920c2e53b2cSYishai Hadas port_num = 0; 3921c2e53b2cSYishai Hadas 3922d14133ddSMark Zhang if (ibqp->counter) 3923d14133ddSMark Zhang set_id = ibqp->counter->id; 3924d14133ddSMark Zhang else 39253e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 3926f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 39270837e86aSMark Bloch } 39280837e86aSMark Bloch 3929e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3930f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rlky, 1); 3931e126ba97SEli Cohen 39322be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3933f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, deth_sqpn, 1); 3934e126ba97SEli Cohen 3935e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3936e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3937e126ba97SEli Cohen 3938427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 39395d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 39405d414b17SDan Carpenter err = -EINVAL; 3941427c1e7bSmajd@mellanox.com goto out; 39425d414b17SDan Carpenter } 3943427c1e7bSmajd@mellanox.com 3944427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3945cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 3946e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3947ad5f8e96Smajd@mellanox.com 3948c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 39492be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 39500680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 39510680efa2SAlex Vesker 39520680efa2SAlex Vesker raw_qp_param.operation = op; 3953eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3954d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3955eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3956eb49ab0cSAlex Vesker } 39577d29f349SBodong Wang 3958d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3959d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3960d5ed8ac3SMark Bloch 39617d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 396261147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 396361147f39SBodong Wang 396461147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 396561147f39SBodong Wang if (attr->rate_limit && 396661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 396761147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 396861147f39SBodong Wang ucmd->burst_info.max_burst_sz; 396961147f39SBodong Wang } else { 397061147f39SBodong Wang err = -EINVAL; 397161147f39SBodong Wang goto out; 397261147f39SBodong Wang } 397361147f39SBodong Wang } 397461147f39SBodong Wang 397561147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 397661147f39SBodong Wang if (attr->rate_limit && 397761147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 397861147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 397961147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 398061147f39SBodong Wang } else { 398161147f39SBodong Wang err = -EINVAL; 398261147f39SBodong Wang goto out; 398361147f39SBodong Wang } 398461147f39SBodong Wang } 398561147f39SBodong Wang 39867d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 39877d29f349SBodong Wang } 39887d29f349SBodong Wang 398913eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 39900680efa2SAlex Vesker } else { 399150aec2c3SLeon Romanovsky if (udata) { 399250aec2c3SLeon Romanovsky /* For the kernel flows, the resp will stay zero */ 399350aec2c3SLeon Romanovsky resp->ece_options = 399450aec2c3SLeon Romanovsky MLX5_CAP_GEN(dev->mdev, ece_support) ? 39955f62a521SLeon Romanovsky ucmd->ece_options : 0; 399650aec2c3SLeon Romanovsky resp->response_length = sizeof(*resp); 399750aec2c3SLeon Romanovsky } 39985f62a521SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, 399950aec2c3SLeon Romanovsky &resp->ece_options); 40000680efa2SAlex Vesker } 40010680efa2SAlex Vesker 4002e126ba97SEli Cohen if (err) 4003e126ba97SEli Cohen goto out; 4004e126ba97SEli Cohen 4005e126ba97SEli Cohen qp->state = new_state; 4006e126ba97SEli Cohen 4007e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 400819098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 4009e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 401019098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 4011e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4012e126ba97SEli Cohen qp->port = attr->port_num; 4013e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 401419098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 4015e126ba97SEli Cohen 4016e126ba97SEli Cohen /* 4017e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 4018e126ba97SEli Cohen * entries and reinitialize the QP. 4019e126ba97SEli Cohen */ 402075a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 402175a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 402219098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 4023e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 4024e126ba97SEli Cohen if (send_cq != recv_cq) 402519098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 4026e126ba97SEli Cohen 4027e126ba97SEli Cohen qp->rq.head = 0; 4028e126ba97SEli Cohen qp->rq.tail = 0; 4029e126ba97SEli Cohen qp->sq.head = 0; 4030e126ba97SEli Cohen qp->sq.tail = 0; 4031e126ba97SEli Cohen qp->sq.cur_post = 0; 403234f4c955SGuy Levi if (qp->sq.wqe_cnt) 403334f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 4034950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 4035e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 4036e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 4037e126ba97SEli Cohen } 4038e126ba97SEli Cohen 4039d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 4040d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 4041d14133ddSMark Zhang if (!err) 4042d14133ddSMark Zhang qp->counter_pending = 0; 4043d14133ddSMark Zhang } 4044d14133ddSMark Zhang 4045e126ba97SEli Cohen out: 4046f18e26afSLeon Romanovsky kfree(qpc); 4047e126ba97SEli Cohen return err; 4048e126ba97SEli Cohen } 4049e126ba97SEli Cohen 4050c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 4051c32a4f29SMoni Shoua { 4052c32a4f29SMoni Shoua if ((mask & req) != req) 4053c32a4f29SMoni Shoua return false; 4054c32a4f29SMoni Shoua 4055c32a4f29SMoni Shoua if (mask & ~(req | opt)) 4056c32a4f29SMoni Shoua return false; 4057c32a4f29SMoni Shoua 4058c32a4f29SMoni Shoua return true; 4059c32a4f29SMoni Shoua } 4060c32a4f29SMoni Shoua 4061c32a4f29SMoni Shoua /* check valid transition for driver QP types 4062c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 4063c32a4f29SMoni Shoua */ 4064c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 4065c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 4066c32a4f29SMoni Shoua { 4067c32a4f29SMoni Shoua int req = IB_QP_STATE; 4068c32a4f29SMoni Shoua int opt = 0; 4069c32a4f29SMoni Shoua 407099ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 407199ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 407299ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4073c32a4f29SMoni Shoua req |= 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_INIT) { 4076c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 4077c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4078c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4079c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 40805ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 4081c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4082c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4083c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4084c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 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_RTS && new_state == IB_QPS_RTS) { 4088c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4089c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4090c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4091c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4092c32a4f29SMoni Shoua } 4093c32a4f29SMoni Shoua return false; 4094c32a4f29SMoni Shoua } 4095c32a4f29SMoni Shoua 4096776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4097776a3906SMoni Shoua * valid transitions are: 4098776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4099776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4100776a3906SMoni Shoua * mtu, gid_index and hop_limit 4101776a3906SMoni Shoua * Other transitions and attributes are illegal 4102776a3906SMoni Shoua */ 4103776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4104a645a89dSLeon Romanovsky int attr_mask, struct mlx5_ib_modify_qp *ucmd, 4105a645a89dSLeon Romanovsky struct ib_udata *udata) 4106776a3906SMoni Shoua { 4107776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4108776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4109776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4110776a3906SMoni Shoua int required = IB_QP_STATE; 4111776a3906SMoni Shoua void *dctc; 411271cab8efSLeon Romanovsky int err; 4113776a3906SMoni Shoua 4114776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4115776a3906SMoni Shoua return -EINVAL; 4116776a3906SMoni Shoua 4117776a3906SMoni Shoua cur_state = qp->state; 4118776a3906SMoni Shoua new_state = attr->qp_state; 4119776a3906SMoni Shoua 4120776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4121a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) 4122a645a89dSLeon Romanovsky /* 4123a645a89dSLeon Romanovsky * DCT doesn't initialize QP till modify command is executed, 4124a645a89dSLeon Romanovsky * so we need to overwrite previously set ECE field if user 4125a645a89dSLeon Romanovsky * provided any value except zero, which means not set/not 4126a645a89dSLeon Romanovsky * valid. 4127a645a89dSLeon Romanovsky */ 4128a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 4129a645a89dSLeon Romanovsky 4130776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 41313e1f000fSParav Pandit u16 set_id; 41323e1f000fSParav Pandit 4133776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4134776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4135776a3906SMoni Shoua return -EINVAL; 4136776a3906SMoni Shoua 4137776a3906SMoni Shoua if (attr->port_num == 0 || 4138776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4139776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4140776a3906SMoni Shoua attr->port_num, dev->num_ports); 4141776a3906SMoni Shoua return -EINVAL; 4142776a3906SMoni Shoua } 4143776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4144776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4145776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4146776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4147776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4148a60109dcSYonatan Cohen int atomic_mode; 4149a60109dcSYonatan Cohen 4150a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4151a60109dcSYonatan Cohen if (atomic_mode < 0) 4152776a3906SMoni Shoua return -EOPNOTSUPP; 4153a60109dcSYonatan Cohen 4154a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4155776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4156776a3906SMoni Shoua } 4157776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 41587c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev)) 41597c4b1ab9SMark Zhang MLX5_SET(dctc, dctc, port, 41607c4b1ab9SMark Zhang get_tx_affinity_rr(dev, udata)); 41617c4b1ab9SMark Zhang else 4162776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 41633e1f000fSParav Pandit 41643e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 41653e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4166776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4167776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4168a645a89dSLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; 4169a645a89dSLeon Romanovsky u32 min_resp_len = offsetofend(typeof(resp), dctn); 4170776a3906SMoni Shoua 4171776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4172776a3906SMoni Shoua return -EINVAL; 4173a645a89dSLeon Romanovsky /* 4174a645a89dSLeon Romanovsky * If we don't have enough space for the ECE options, 4175a645a89dSLeon Romanovsky * simply indicate it with resp.response_length. 4176a645a89dSLeon Romanovsky */ 4177a645a89dSLeon Romanovsky resp.response_length = (udata->outlen < sizeof(resp)) ? 4178a645a89dSLeon Romanovsky min_resp_len : 4179a645a89dSLeon Romanovsky sizeof(resp); 4180a645a89dSLeon Romanovsky 4181776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4182776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4183776a3906SMoni Shoua return -EINVAL; 4184776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4185776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4186776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4187776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4188776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4189776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4190776a3906SMoni Shoua 4191333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4192c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4193c5ae1954SYishai Hadas sizeof(out)); 4194776a3906SMoni Shoua if (err) 4195776a3906SMoni Shoua return err; 4196776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4197a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 4198a645a89dSLeon Romanovsky resp.ece_options = MLX5_GET(create_dct_out, out, ece); 4199776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4200776a3906SMoni Shoua if (err) { 4201333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4202776a3906SMoni Shoua return err; 4203776a3906SMoni Shoua } 4204776a3906SMoni Shoua } else { 4205776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4206776a3906SMoni Shoua return -EINVAL; 4207776a3906SMoni Shoua } 420871cab8efSLeon Romanovsky 4209776a3906SMoni Shoua qp->state = new_state; 421071cab8efSLeon Romanovsky return 0; 4211776a3906SMoni Shoua } 4212776a3906SMoni Shoua 4213e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4214e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4215e126ba97SEli Cohen { 4216e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 421750aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp resp = {}; 4218e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 421961147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4220d16e91daSHaggai Eran enum ib_qp_type qp_type; 4221e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 4222e126ba97SEli Cohen int err = -EINVAL; 4223e126ba97SEli Cohen int port; 4224e126ba97SEli Cohen 422526e990baSJason Gunthorpe if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT)) 422626e990baSJason Gunthorpe return -EOPNOTSUPP; 422726e990baSJason Gunthorpe 422828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 422928d61370SYishai Hadas return -ENOSYS; 423028d61370SYishai Hadas 423161147f39SBodong Wang if (udata && udata->inlen) { 42325f62a521SLeon Romanovsky if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) 423361147f39SBodong Wang return -EINVAL; 423461147f39SBodong Wang 423561147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 423661147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 423761147f39SBodong Wang udata->inlen - sizeof(ucmd))) 423861147f39SBodong Wang return -EOPNOTSUPP; 423961147f39SBodong Wang 424061147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 424161147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 424261147f39SBodong Wang return -EFAULT; 424361147f39SBodong Wang 424461147f39SBodong Wang if (ucmd.comp_mask || 424561147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 424661147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 424761147f39SBodong Wang return -EOPNOTSUPP; 42485f62a521SLeon Romanovsky 424961147f39SBodong Wang } 425061147f39SBodong Wang 4251d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4252d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4253d16e91daSHaggai Eran 42547aede1a2SLeon Romanovsky qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? IB_QPT_GSI : 42557aede1a2SLeon Romanovsky qp->type; 4256d16e91daSHaggai Eran 4257a645a89dSLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 4258a645a89dSLeon Romanovsky return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); 4259c32a4f29SMoni Shoua 4260e126ba97SEli Cohen mutex_lock(&qp->mutex); 4261e126ba97SEli Cohen 4262e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4263e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4264e126ba97SEli Cohen 42652811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 42662811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 42672811ba51SAchiad Shochat } 42682811ba51SAchiad Shochat 42692be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4270c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4271c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4272c2e53b2cSYishai Hadas attr_mask); 4273c2e53b2cSYishai Hadas goto out; 4274c2e53b2cSYishai Hadas } 4275c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4276c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4277d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4278d31131bbSKamal Heib attr_mask)) { 4279158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4280158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4281e126ba97SEli Cohen goto out; 4282c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4283c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4284c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4285c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4286c32a4f29SMoni Shoua goto out; 4287158abf86SHaggai Eran } 4288e126ba97SEli Cohen 4289e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4290938fe83cSSaeed Mahameed (attr->port_num == 0 || 4291508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4292158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4293158abf86SHaggai Eran attr->port_num, dev->num_ports); 4294e126ba97SEli Cohen goto out; 4295158abf86SHaggai Eran } 4296e126ba97SEli Cohen 4297e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4298e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4299938fe83cSSaeed Mahameed if (attr->pkey_index >= 4300158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4301158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4302158abf86SHaggai Eran attr->pkey_index); 4303e126ba97SEli Cohen goto out; 4304e126ba97SEli Cohen } 4305158abf86SHaggai Eran } 4306e126ba97SEli Cohen 4307e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4308938fe83cSSaeed Mahameed attr->max_rd_atomic > 4309158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4310158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4311158abf86SHaggai Eran attr->max_rd_atomic); 4312e126ba97SEli Cohen goto out; 4313158abf86SHaggai Eran } 4314e126ba97SEli Cohen 4315e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4316938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4317158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4318158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4319158abf86SHaggai Eran attr->max_dest_rd_atomic); 4320e126ba97SEli Cohen goto out; 4321158abf86SHaggai Eran } 4322e126ba97SEli Cohen 4323e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4324e126ba97SEli Cohen err = 0; 4325e126ba97SEli Cohen goto out; 4326e126ba97SEli Cohen } 4327e126ba97SEli Cohen 432861147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 432950aec2c3SLeon Romanovsky new_state, &ucmd, &resp, udata); 433050aec2c3SLeon Romanovsky 433150aec2c3SLeon Romanovsky /* resp.response_length is set in ECE supported flows only */ 433250aec2c3SLeon Romanovsky if (!err && resp.response_length && 433350aec2c3SLeon Romanovsky udata->outlen >= resp.response_length) 43346512f11dSLeon Romanovsky /* Return -EFAULT to the user and expect him to destroy QP. */ 43356512f11dSLeon Romanovsky err = ib_copy_to_udata(udata, &resp, resp.response_length); 4336e126ba97SEli Cohen 4337e126ba97SEli Cohen out: 4338e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4339e126ba97SEli Cohen return err; 4340e126ba97SEli Cohen } 4341e126ba97SEli Cohen 4342e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4343e126ba97SEli Cohen { 4344e126ba97SEli Cohen switch (mlx5_state) { 4345e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4346e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4347e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4348e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4349e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4350e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4351e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4352e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4353e126ba97SEli Cohen default: return -1; 4354e126ba97SEli Cohen } 4355e126ba97SEli Cohen } 4356e126ba97SEli Cohen 4357e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4358e126ba97SEli Cohen { 4359e126ba97SEli Cohen switch (mlx5_mig_state) { 4360e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4361e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4362e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4363e126ba97SEli Cohen default: return -1; 4364e126ba97SEli Cohen } 4365e126ba97SEli Cohen } 4366e126ba97SEli Cohen 436738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 436870bd7fb8SLeon Romanovsky struct rdma_ah_attr *ah_attr, void *path) 4369e126ba97SEli Cohen { 437070bd7fb8SLeon Romanovsky int port = MLX5_GET(ads, path, vhca_port_num); 437170bd7fb8SLeon Romanovsky int static_rate; 4372e126ba97SEli Cohen 4373d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4374e126ba97SEli Cohen 437570bd7fb8SLeon Romanovsky if (!port || port > ibdev->num_ports) 4376e126ba97SEli Cohen return; 4377e126ba97SEli Cohen 437870bd7fb8SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); 4379ae59c3f0SLeon Romanovsky 438070bd7fb8SLeon Romanovsky rdma_ah_set_port_num(ah_attr, port); 438170bd7fb8SLeon Romanovsky rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); 4382e126ba97SEli Cohen 438370bd7fb8SLeon Romanovsky rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); 438470bd7fb8SLeon Romanovsky rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); 43852d7e3ff7SAharon Landau 438670bd7fb8SLeon Romanovsky static_rate = MLX5_GET(ads, path, stat_rate); 438770bd7fb8SLeon Romanovsky rdma_ah_set_static_rate(ah_attr, static_rate ? static_rate - 5 : 0); 438870bd7fb8SLeon Romanovsky if (MLX5_GET(ads, path, grh) || 43892d7e3ff7SAharon Landau ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { 439070bd7fb8SLeon Romanovsky rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), 439170bd7fb8SLeon Romanovsky MLX5_GET(ads, path, src_addr_index), 439270bd7fb8SLeon Romanovsky MLX5_GET(ads, path, hop_limit), 439370bd7fb8SLeon Romanovsky MLX5_GET(ads, path, tclass)); 4394d4433557SMaor Gottlieb rdma_ah_set_dgid_raw(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip)); 4395e126ba97SEli Cohen } 4396e126ba97SEli Cohen } 4397e126ba97SEli Cohen 43986d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43996d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 44006d2f89dfSmajd@mellanox.com u8 *sq_state) 4401e126ba97SEli Cohen { 44026d2f89dfSmajd@mellanox.com int err; 44036d2f89dfSmajd@mellanox.com 440428160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 44056d2f89dfSmajd@mellanox.com if (err) 44066d2f89dfSmajd@mellanox.com goto out; 44076d2f89dfSmajd@mellanox.com sq->state = *sq_state; 44086d2f89dfSmajd@mellanox.com 44096d2f89dfSmajd@mellanox.com out: 44106d2f89dfSmajd@mellanox.com return err; 44116d2f89dfSmajd@mellanox.com } 44126d2f89dfSmajd@mellanox.com 44136d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 44146d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 44156d2f89dfSmajd@mellanox.com u8 *rq_state) 44166d2f89dfSmajd@mellanox.com { 44176d2f89dfSmajd@mellanox.com void *out; 44186d2f89dfSmajd@mellanox.com void *rqc; 44196d2f89dfSmajd@mellanox.com int inlen; 44206d2f89dfSmajd@mellanox.com int err; 44216d2f89dfSmajd@mellanox.com 44226d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 44231b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 44246d2f89dfSmajd@mellanox.com if (!out) 44256d2f89dfSmajd@mellanox.com return -ENOMEM; 44266d2f89dfSmajd@mellanox.com 44276d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 44286d2f89dfSmajd@mellanox.com if (err) 44296d2f89dfSmajd@mellanox.com goto out; 44306d2f89dfSmajd@mellanox.com 44316d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 44326d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 44336d2f89dfSmajd@mellanox.com rq->state = *rq_state; 44346d2f89dfSmajd@mellanox.com 44356d2f89dfSmajd@mellanox.com out: 44366d2f89dfSmajd@mellanox.com kvfree(out); 44376d2f89dfSmajd@mellanox.com return err; 44386d2f89dfSmajd@mellanox.com } 44396d2f89dfSmajd@mellanox.com 44406d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 44416d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 44426d2f89dfSmajd@mellanox.com { 44436d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 44446d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 44456d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44466d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44476d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 44486d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 44496d2f89dfSmajd@mellanox.com }, 44506d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 4451c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 44526d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44536d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 44546d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 44556d2f89dfSmajd@mellanox.com }, 44566d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 44576d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44586d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44596d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 44606d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 44616d2f89dfSmajd@mellanox.com }, 44626d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 4463c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 44646d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44656d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 44666d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 44676d2f89dfSmajd@mellanox.com }, 44686d2f89dfSmajd@mellanox.com }; 44696d2f89dfSmajd@mellanox.com 44706d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 44716d2f89dfSmajd@mellanox.com 44726d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 44736d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 44746d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 44756d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 44766d2f89dfSmajd@mellanox.com return -EINVAL; 44776d2f89dfSmajd@mellanox.com } 44786d2f89dfSmajd@mellanox.com 44796d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 44806d2f89dfSmajd@mellanox.com *qp_state = qp->state; 44816d2f89dfSmajd@mellanox.com 44826d2f89dfSmajd@mellanox.com return 0; 44836d2f89dfSmajd@mellanox.com } 44846d2f89dfSmajd@mellanox.com 44856d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 44866d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 44876d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 44886d2f89dfSmajd@mellanox.com { 44896d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 44906d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 44916d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 44926d2f89dfSmajd@mellanox.com int err; 44936d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44946d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44956d2f89dfSmajd@mellanox.com 44966d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 44976d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 44986d2f89dfSmajd@mellanox.com if (err) 44996d2f89dfSmajd@mellanox.com return err; 45006d2f89dfSmajd@mellanox.com } 45016d2f89dfSmajd@mellanox.com 45026d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 45036d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 45046d2f89dfSmajd@mellanox.com if (err) 45056d2f89dfSmajd@mellanox.com return err; 45066d2f89dfSmajd@mellanox.com } 45076d2f89dfSmajd@mellanox.com 45086d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 45096d2f89dfSmajd@mellanox.com raw_packet_qp_state); 45106d2f89dfSmajd@mellanox.com } 45116d2f89dfSmajd@mellanox.com 45126d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 45136d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 45146d2f89dfSmajd@mellanox.com { 451509a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 451670bd7fb8SLeon Romanovsky void *qpc, *pri_path, *alt_path; 451709a7d9ecSSaeed Mahameed u32 *outb; 451870bd7fb8SLeon Romanovsky int err; 4519e126ba97SEli Cohen 452009a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 45216d2f89dfSmajd@mellanox.com if (!outb) 45226d2f89dfSmajd@mellanox.com return -ENOMEM; 45236d2f89dfSmajd@mellanox.com 4524333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4525e126ba97SEli Cohen if (err) 45266d2f89dfSmajd@mellanox.com goto out; 4527e126ba97SEli Cohen 452870bd7fb8SLeon Romanovsky qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); 452909a7d9ecSSaeed Mahameed 453070bd7fb8SLeon Romanovsky qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); 453170bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) 453270bd7fb8SLeon Romanovsky qp_attr->sq_draining = 1; 4533e126ba97SEli Cohen 453470bd7fb8SLeon Romanovsky qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); 453570bd7fb8SLeon Romanovsky qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); 453670bd7fb8SLeon Romanovsky qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); 453770bd7fb8SLeon Romanovsky qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); 453870bd7fb8SLeon Romanovsky qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); 453970bd7fb8SLeon Romanovsky qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); 454070bd7fb8SLeon Romanovsky 454170bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rre)) 454270bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; 454370bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rwe)) 454470bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; 454570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rae)) 454670bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; 454770bd7fb8SLeon Romanovsky 454870bd7fb8SLeon Romanovsky qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); 454970bd7fb8SLeon Romanovsky qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); 455070bd7fb8SLeon Romanovsky qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); 455170bd7fb8SLeon Romanovsky qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); 455270bd7fb8SLeon Romanovsky qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); 455370bd7fb8SLeon Romanovsky 455470bd7fb8SLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 455570bd7fb8SLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4556e126ba97SEli Cohen 4557e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 455870bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); 455970bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); 456070bd7fb8SLeon Romanovsky qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); 456170bd7fb8SLeon Romanovsky qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); 4562e126ba97SEli Cohen } 4563e126ba97SEli Cohen 456470bd7fb8SLeon Romanovsky qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); 456570bd7fb8SLeon Romanovsky qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); 456670bd7fb8SLeon Romanovsky qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); 456770bd7fb8SLeon Romanovsky qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); 45686d2f89dfSmajd@mellanox.com 45696d2f89dfSmajd@mellanox.com out: 45706d2f89dfSmajd@mellanox.com kfree(outb); 45716d2f89dfSmajd@mellanox.com return err; 45726d2f89dfSmajd@mellanox.com } 45736d2f89dfSmajd@mellanox.com 4574776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4575776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4576776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4577776a3906SMoni Shoua { 4578776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4579776a3906SMoni Shoua u32 *out; 4580776a3906SMoni Shoua u32 access_flags = 0; 4581776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4582776a3906SMoni Shoua void *dctc; 4583776a3906SMoni Shoua int err; 4584776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4585776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4586776a3906SMoni Shoua IB_QP_PORT | 4587776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4588776a3906SMoni Shoua IB_QP_AV | 4589776a3906SMoni Shoua IB_QP_PATH_MTU | 4590776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4591776a3906SMoni Shoua 4592776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4593776a3906SMoni Shoua return -EINVAL; 4594776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4595776a3906SMoni Shoua return -EINVAL; 4596776a3906SMoni Shoua 4597776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4598776a3906SMoni Shoua if (!out) 4599776a3906SMoni Shoua return -ENOMEM; 4600776a3906SMoni Shoua 4601333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4602776a3906SMoni Shoua if (err) 4603776a3906SMoni Shoua goto out; 4604776a3906SMoni Shoua 4605776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4606776a3906SMoni Shoua 4607776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4608776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4609776a3906SMoni Shoua 4610776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4611776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4612776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4613776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4614776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4615776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4616776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4617776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4618776a3906SMoni Shoua } 4619776a3906SMoni Shoua 4620776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4621776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4622776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4623776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4624776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4625776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4626776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4627776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4628776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4629776a3906SMoni Shoua } 4630776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4631776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4632776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4633776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4634776a3906SMoni Shoua out: 4635776a3906SMoni Shoua kfree(out); 4636776a3906SMoni Shoua return err; 4637776a3906SMoni Shoua } 4638776a3906SMoni Shoua 46396d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 46406d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 46416d2f89dfSmajd@mellanox.com { 46426d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 46436d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 46446d2f89dfSmajd@mellanox.com int err = 0; 46456d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 46466d2f89dfSmajd@mellanox.com 464728d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 464828d61370SYishai Hadas return -ENOSYS; 464928d61370SYishai Hadas 4650d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4651d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4652d16e91daSHaggai Eran qp_init_attr); 4653d16e91daSHaggai Eran 4654c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4655c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4656c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4657c2e53b2cSYishai Hadas 46587aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4659776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4660776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4661776a3906SMoni Shoua 46626d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 46636d2f89dfSmajd@mellanox.com 4664c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 46652be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 46666d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 46676d2f89dfSmajd@mellanox.com if (err) 46686d2f89dfSmajd@mellanox.com goto out; 46696d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 46706d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 46716d2f89dfSmajd@mellanox.com } else { 46726d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 46736d2f89dfSmajd@mellanox.com if (err) 46746d2f89dfSmajd@mellanox.com goto out; 46756d2f89dfSmajd@mellanox.com } 46766d2f89dfSmajd@mellanox.com 46776d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4678e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4679e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4680e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4681e126ba97SEli Cohen 4682e126ba97SEli Cohen if (!ibqp->uobject) { 46830540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4684e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 46850540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4686e126ba97SEli Cohen } else { 4687e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4688e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4689e126ba97SEli Cohen } 4690e126ba97SEli Cohen 46910540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46920540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46930540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46940540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46950540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4696e126ba97SEli Cohen 4697e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4698e126ba97SEli Cohen 4699a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4700051f2630SLeon Romanovsky 4701e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4702e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4703e126ba97SEli Cohen 4704e126ba97SEli Cohen out: 4705e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4706e126ba97SEli Cohen return err; 4707e126ba97SEli Cohen } 4708e126ba97SEli Cohen 470928ad5f65SLeon Romanovsky int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) 4710e126ba97SEli Cohen { 471128ad5f65SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); 471228ad5f65SLeon Romanovsky struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); 4713e126ba97SEli Cohen 4714938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 471528ad5f65SLeon Romanovsky return -EOPNOTSUPP; 4716e126ba97SEli Cohen 471728ad5f65SLeon Romanovsky return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 4718e126ba97SEli Cohen } 4719e126ba97SEli Cohen 4720d0c45c85SLeon Romanovsky int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 4721e126ba97SEli Cohen { 4722e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4723e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4724e126ba97SEli Cohen 4725d0c45c85SLeon Romanovsky return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 4726e126ba97SEli Cohen } 472779b20a6cSYishai Hadas 4728350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4729350d0e4cSYishai Hadas { 4730350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4731350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4732350d0e4cSYishai Hadas struct ib_event event; 4733350d0e4cSYishai Hadas 4734350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4735350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4736350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4737350d0e4cSYishai Hadas switch (type) { 4738350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4739350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4740350d0e4cSYishai Hadas break; 4741350d0e4cSYishai Hadas default: 4742350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4743350d0e4cSYishai Hadas return; 4744350d0e4cSYishai Hadas } 4745350d0e4cSYishai Hadas 4746350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4747350d0e4cSYishai Hadas } 4748350d0e4cSYishai Hadas } 4749350d0e4cSYishai Hadas 475003404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 475103404e8aSMaor Gottlieb { 475203404e8aSMaor Gottlieb int err = 0; 475303404e8aSMaor Gottlieb 475403404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 475503404e8aSMaor Gottlieb if (dev->delay_drop.activate) 475603404e8aSMaor Gottlieb goto out; 475703404e8aSMaor Gottlieb 4758333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 475903404e8aSMaor Gottlieb if (err) 476003404e8aSMaor Gottlieb goto out; 476103404e8aSMaor Gottlieb 476203404e8aSMaor Gottlieb dev->delay_drop.activate = true; 476303404e8aSMaor Gottlieb out: 476403404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4765fe248c3aSMaor Gottlieb 4766fe248c3aSMaor Gottlieb if (!err) 4767fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 476803404e8aSMaor Gottlieb return err; 476903404e8aSMaor Gottlieb } 477003404e8aSMaor Gottlieb 477179b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 477279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 477379b20a6cSYishai Hadas { 477479b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 47754be6da1eSNoa Osherovich int has_net_offloads; 477679b20a6cSYishai Hadas __be64 *rq_pas0; 477779b20a6cSYishai Hadas void *in; 477879b20a6cSYishai Hadas void *rqc; 477979b20a6cSYishai Hadas void *wq; 478079b20a6cSYishai Hadas int inlen; 478179b20a6cSYishai Hadas int err; 478279b20a6cSYishai Hadas 478379b20a6cSYishai Hadas dev = to_mdev(pd->device); 478479b20a6cSYishai Hadas 478579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 47861b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 478779b20a6cSYishai Hadas if (!in) 478879b20a6cSYishai Hadas return -ENOMEM; 478979b20a6cSYishai Hadas 479034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 479179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 479279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 479379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 479479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 479579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 479679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 479779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 479879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4799ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4800ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4801ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4802b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4803b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4804b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4805b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4806b1383aa6SNoa Osherovich goto out; 4807b1383aa6SNoa Osherovich } else { 480879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4809b1383aa6SNoa Osherovich } 4810b1383aa6SNoa Osherovich } 481179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4812ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4813c16339b6SMark Zhang /* 4814c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 4815c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 4816c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 4817c16339b6SMark Zhang * accepted as 0 to 9 4818c16339b6SMark Zhang */ 4819c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 4820c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 4821ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4822ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4823ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4824ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4825c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 4826c16339b6SMark Zhang fw_map[rwq->log_num_strides - 4827c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 4828ccc87087SNoa Osherovich } 482979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 483079b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 483179b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 483279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 483379b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 483479b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 48354be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4836b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 48374be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4838b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4839b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4840b1f74a84SNoa Osherovich goto out; 4841b1f74a84SNoa Osherovich } 4842b1f74a84SNoa Osherovich } else { 4843b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4844b1f74a84SNoa Osherovich } 48454be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 48464be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 48474be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 48484be6da1eSNoa Osherovich err = -EOPNOTSUPP; 48494be6da1eSNoa Osherovich goto out; 48504be6da1eSNoa Osherovich } 48514be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 48524be6da1eSNoa Osherovich } 485303404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 485403404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 485503404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 485603404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 485703404e8aSMaor Gottlieb err = -EOPNOTSUPP; 485803404e8aSMaor Gottlieb goto out; 485903404e8aSMaor Gottlieb } 486003404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 486103404e8aSMaor Gottlieb } 486279b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 4863aab8d396SJason Gunthorpe mlx5_ib_populate_pas(rwq->umem, 1UL << rwq->page_shift, rq_pas0, 0); 4864333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 486503404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 486603404e8aSMaor Gottlieb err = set_delay_drop(dev); 486703404e8aSMaor Gottlieb if (err) { 486803404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 486903404e8aSMaor Gottlieb err); 4870333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 487103404e8aSMaor Gottlieb } else { 487203404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 487303404e8aSMaor Gottlieb } 487403404e8aSMaor Gottlieb } 4875b1f74a84SNoa Osherovich out: 487679b20a6cSYishai Hadas kvfree(in); 487779b20a6cSYishai Hadas return err; 487879b20a6cSYishai Hadas } 487979b20a6cSYishai Hadas 488079b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 488179b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 488279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 488379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 488479b20a6cSYishai Hadas { 488579b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 488679b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 488779b20a6cSYishai Hadas return -EINVAL; 488879b20a6cSYishai Hadas 488979b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 489079b20a6cSYishai Hadas return -EINVAL; 489179b20a6cSYishai Hadas 489279b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 489379b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 48940dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 48950dfe4522SLeon Romanovsky return -EINVAL; 48960dfe4522SLeon Romanovsky 489779b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 489879b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 489979b20a6cSYishai Hadas return 0; 490079b20a6cSYishai Hadas } 490179b20a6cSYishai Hadas 4902c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 4903c16339b6SMark Zhang { 4904c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 4905c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4906c16339b6SMark Zhang return false; 4907c16339b6SMark Zhang 4908c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 4909c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4910c16339b6SMark Zhang return false; 4911c16339b6SMark Zhang 4912c16339b6SMark Zhang return true; 4913c16339b6SMark Zhang } 4914c16339b6SMark Zhang 491579b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 491679b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 491779b20a6cSYishai Hadas struct ib_udata *udata, 491879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 491979b20a6cSYishai Hadas { 492079b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 492179b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 492279b20a6cSYishai Hadas int err; 492379b20a6cSYishai Hadas size_t required_cmd_sz; 492479b20a6cSYishai Hadas 492570c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_create_wq, 492670c1430fSLeon Romanovsky single_stride_log_num_of_bytes); 492779b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 492879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 492979b20a6cSYishai Hadas return -EINVAL; 493079b20a6cSYishai Hadas } 493179b20a6cSYishai Hadas 493279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 493379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 493479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 493579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 493679b20a6cSYishai Hadas return -EOPNOTSUPP; 493779b20a6cSYishai Hadas } 493879b20a6cSYishai Hadas 493979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 494079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 494179b20a6cSYishai Hadas return -EFAULT; 494279b20a6cSYishai Hadas } 494379b20a6cSYishai Hadas 4944ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 494579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 494679b20a6cSYishai Hadas return -EOPNOTSUPP; 4947ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 4948ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 4949ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 495079b20a6cSYishai Hadas return -EOPNOTSUPP; 495179b20a6cSYishai Hadas } 4952ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 4953ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 4954ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 4955ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 4956ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 4957ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 4958ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 4959ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 4960ccc87087SNoa Osherovich return -EINVAL; 4961ccc87087SNoa Osherovich } 4962c16339b6SMark Zhang if (!log_of_strides_valid(dev, 4963c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 4964c16339b6SMark Zhang mlx5_ib_dbg( 4965c16339b6SMark Zhang dev, 4966c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 4967ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 4968c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 4969c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 4970ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 4971ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 4972ccc87087SNoa Osherovich return -EINVAL; 4973ccc87087SNoa Osherovich } 4974ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 4975ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 4976ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 4977ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 4978ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 4979ccc87087SNoa Osherovich } 498079b20a6cSYishai Hadas 498179b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 498279b20a6cSYishai Hadas if (err) { 498379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 498479b20a6cSYishai Hadas return err; 498579b20a6cSYishai Hadas } 498679b20a6cSYishai Hadas 4987b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 498879b20a6cSYishai Hadas if (err) { 498979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 499079b20a6cSYishai Hadas return err; 499179b20a6cSYishai Hadas } 499279b20a6cSYishai Hadas 499379b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 499479b20a6cSYishai Hadas return 0; 499579b20a6cSYishai Hadas } 499679b20a6cSYishai Hadas 499779b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 499879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 499979b20a6cSYishai Hadas struct ib_udata *udata) 500079b20a6cSYishai Hadas { 500179b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 500279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 500379b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 500479b20a6cSYishai Hadas size_t min_resp_len; 500579b20a6cSYishai Hadas int err; 500679b20a6cSYishai Hadas 500779b20a6cSYishai Hadas if (!udata) 500879b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 500979b20a6cSYishai Hadas 501070c1430fSLeon Romanovsky min_resp_len = offsetofend(struct mlx5_ib_create_wq_resp, reserved); 501179b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 501279b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 501379b20a6cSYishai Hadas 5014ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 5015ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 5016ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 5017ba80013fSMaor Gottlieb 501879b20a6cSYishai Hadas dev = to_mdev(pd->device); 501979b20a6cSYishai Hadas switch (init_attr->wq_type) { 502079b20a6cSYishai Hadas case IB_WQT_RQ: 502179b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 502279b20a6cSYishai Hadas if (!rwq) 502379b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 502479b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 502579b20a6cSYishai Hadas if (err) 502679b20a6cSYishai Hadas goto err; 502779b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 502879b20a6cSYishai Hadas if (err) 502979b20a6cSYishai Hadas goto err_user_rq; 503079b20a6cSYishai Hadas break; 503179b20a6cSYishai Hadas default: 503279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 503379b20a6cSYishai Hadas init_attr->wq_type); 503479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 503579b20a6cSYishai Hadas } 503679b20a6cSYishai Hadas 5037350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 503879b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 503979b20a6cSYishai Hadas if (udata->outlen) { 504070c1430fSLeon Romanovsky resp.response_length = offsetofend( 504170c1430fSLeon Romanovsky struct mlx5_ib_create_wq_resp, response_length); 504279b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 504379b20a6cSYishai Hadas if (err) 504479b20a6cSYishai Hadas goto err_copy; 504579b20a6cSYishai Hadas } 504679b20a6cSYishai Hadas 5047350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5048350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 504979b20a6cSYishai Hadas return &rwq->ibwq; 505079b20a6cSYishai Hadas 505179b20a6cSYishai Hadas err_copy: 5052333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 505379b20a6cSYishai Hadas err_user_rq: 5054bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 505579b20a6cSYishai Hadas err: 505679b20a6cSYishai Hadas kfree(rwq); 505779b20a6cSYishai Hadas return ERR_PTR(err); 505879b20a6cSYishai Hadas } 505979b20a6cSYishai Hadas 5060add53535SLeon Romanovsky int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 506179b20a6cSYishai Hadas { 506279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 506379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 5064add53535SLeon Romanovsky int ret; 506579b20a6cSYishai Hadas 5066add53535SLeon Romanovsky ret = mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 5067add53535SLeon Romanovsky if (ret) 5068add53535SLeon Romanovsky return ret; 5069bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 507079b20a6cSYishai Hadas kfree(rwq); 5071add53535SLeon Romanovsky return 0; 507279b20a6cSYishai Hadas } 507379b20a6cSYishai Hadas 5074c0a6b5ecSLeon Romanovsky int mlx5_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table, 5075c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5076c5f90929SYishai Hadas struct ib_udata *udata) 5077c5f90929SYishai Hadas { 5078c0a6b5ecSLeon Romanovsky struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = 5079c0a6b5ecSLeon Romanovsky to_mrwq_ind_table(ib_rwq_ind_table); 5080c0a6b5ecSLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_table->device); 5081c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5082c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5083c5f90929SYishai Hadas size_t min_resp_len; 5084c5f90929SYishai Hadas int inlen; 5085c5f90929SYishai Hadas int err; 5086c5f90929SYishai Hadas int i; 5087c5f90929SYishai Hadas u32 *in; 5088c5f90929SYishai Hadas void *rqtc; 5089c5f90929SYishai Hadas 5090c5f90929SYishai Hadas if (udata->inlen > 0 && 5091c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5092c5f90929SYishai Hadas udata->inlen)) 5093c0a6b5ecSLeon Romanovsky return -EOPNOTSUPP; 5094c5f90929SYishai Hadas 5095efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5096efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5097efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5098efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5099efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5100c0a6b5ecSLeon Romanovsky return -EINVAL; 5101efd7f400SMaor Gottlieb } 5102efd7f400SMaor Gottlieb 510370c1430fSLeon Romanovsky min_resp_len = 510470c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, reserved); 5105c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5106c0a6b5ecSLeon Romanovsky return -EINVAL; 5107c5f90929SYishai Hadas 5108c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 51091b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5110c0a6b5ecSLeon Romanovsky if (!in) 5111c0a6b5ecSLeon Romanovsky return -ENOMEM; 5112c5f90929SYishai Hadas 5113c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5114c5f90929SYishai Hadas 5115c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5116c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5117c5f90929SYishai Hadas 5118c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5119c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5120c5f90929SYishai Hadas 51215deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 51225deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 51235deba86eSYishai Hadas 5124c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5125c5f90929SYishai Hadas kvfree(in); 5126c5f90929SYishai Hadas if (err) 5127c0a6b5ecSLeon Romanovsky return err; 5128c5f90929SYishai Hadas 5129c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5130c5f90929SYishai Hadas if (udata->outlen) { 513170c1430fSLeon Romanovsky resp.response_length = 513270c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, 513370c1430fSLeon Romanovsky response_length); 5134c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5135c5f90929SYishai Hadas if (err) 5136c5f90929SYishai Hadas goto err_copy; 5137c5f90929SYishai Hadas } 5138c5f90929SYishai Hadas 5139c0a6b5ecSLeon Romanovsky return 0; 5140c5f90929SYishai Hadas 5141c5f90929SYishai Hadas err_copy: 51425deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5143c0a6b5ecSLeon Romanovsky return err; 5144c5f90929SYishai Hadas } 5145c5f90929SYishai Hadas 5146c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5147c5f90929SYishai Hadas { 5148c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5149c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5150c5f90929SYishai Hadas 5151c0a6b5ecSLeon Romanovsky return mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 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 516870c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_modify_wq, 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