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; 70*1fb7f897SMark Bloch u32 port; 710680efa2SAlex Vesker }; 720680efa2SAlex Vesker 7389ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 7489ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 7589ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 7689ea94a7SMaor Gottlieb 77e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 78e126ba97SEli Cohen { 79e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 80e126ba97SEli Cohen } 81e126ba97SEli Cohen 82e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 83e126ba97SEli Cohen { 84e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 85e126ba97SEli Cohen } 86e126ba97SEli Cohen 87c1395a2aSHaggai Eran /** 88fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 89fbeb4075SMoni Shoua * to kernel buffer 90c1395a2aSHaggai Eran * 91fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 92fbeb4075SMoni Shoua * @buffer: buffer to copy to 93fbeb4075SMoni Shoua * @buflen: buffer length 94fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 95fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 96fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 97fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 98fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 99fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 100c1395a2aSHaggai Eran * 101fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 102fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 103c1395a2aSHaggai Eran * 104fbeb4075SMoni Shoua * Return: zero on success, or an error code. 105c1395a2aSHaggai Eran */ 106da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 107da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 108da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 109da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 110fbeb4075SMoni Shoua size_t *bytes_copied) 111c1395a2aSHaggai Eran { 112fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 113fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 114fbeb4075SMoni Shoua size_t copy_length; 115c1395a2aSHaggai Eran int ret; 116c1395a2aSHaggai Eran 117fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 118fbeb4075SMoni Shoua * beyond WQ end 119fbeb4075SMoni Shoua */ 120fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 121fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 122c1395a2aSHaggai Eran 123fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 124c1395a2aSHaggai Eran if (ret) 125c1395a2aSHaggai Eran return ret; 126c1395a2aSHaggai Eran 127fbeb4075SMoni Shoua if (!ret && bytes_copied) 128fbeb4075SMoni Shoua *bytes_copied = copy_length; 129c1395a2aSHaggai Eran 130fbeb4075SMoni Shoua return 0; 131fbeb4075SMoni Shoua } 132fbeb4075SMoni Shoua 133da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 134da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 135da9ee9d8SMoni Shoua { 136da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 137da9ee9d8SMoni Shoua size_t bytes_copied = 0; 138da9ee9d8SMoni Shoua size_t wqe_length; 139da9ee9d8SMoni Shoua void *p; 140da9ee9d8SMoni Shoua int ds; 141da9ee9d8SMoni Shoua 142da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 143da9ee9d8SMoni Shoua 144da9ee9d8SMoni Shoua /* read the control segment first */ 145da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 146da9ee9d8SMoni Shoua ctrl = p; 147da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 148da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 149da9ee9d8SMoni Shoua 150da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 151da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 152da9ee9d8SMoni Shoua size_t copy_length = 153da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 154da9ee9d8SMoni Shoua 155da9ee9d8SMoni Shoua if (!copy_length) 156da9ee9d8SMoni Shoua break; 157da9ee9d8SMoni Shoua 158da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 159da9ee9d8SMoni Shoua bytes_copied += copy_length; 160da9ee9d8SMoni Shoua 161da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 162da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 163da9ee9d8SMoni Shoua } 164da9ee9d8SMoni Shoua *bc = bytes_copied; 165da9ee9d8SMoni Shoua return 0; 166da9ee9d8SMoni Shoua } 167da9ee9d8SMoni Shoua 168da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 169da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 170fbeb4075SMoni Shoua { 171fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 172fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 173fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 174fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 175fbeb4075SMoni Shoua size_t bytes_copied; 176fbeb4075SMoni Shoua size_t bytes_copied2; 177fbeb4075SMoni Shoua size_t wqe_length; 178fbeb4075SMoni Shoua int ret; 179fbeb4075SMoni Shoua int ds; 180fbeb4075SMoni Shoua 181fbeb4075SMoni Shoua /* at first read as much as possible */ 182da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 183da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 184da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 185fbeb4075SMoni Shoua &bytes_copied); 186fbeb4075SMoni Shoua if (ret) 187fbeb4075SMoni Shoua return ret; 188fbeb4075SMoni Shoua 189fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 190fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 191fbeb4075SMoni Shoua return -EINVAL; 192fbeb4075SMoni Shoua 193fbeb4075SMoni Shoua ctrl = buffer; 194fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 195c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 196fbeb4075SMoni Shoua 197fbeb4075SMoni Shoua /* if we copied enough then we are done */ 198fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 199fbeb4075SMoni Shoua *bc = bytes_copied; 200fbeb4075SMoni Shoua return 0; 201c1395a2aSHaggai Eran } 202c1395a2aSHaggai Eran 203fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 204fbeb4075SMoni Shoua * so read the remaining bytes starting 205fbeb4075SMoni Shoua * from wqe_index 0 206fbeb4075SMoni Shoua */ 207da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 208da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 209da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 210fbeb4075SMoni Shoua wqe_length - bytes_copied, 211fbeb4075SMoni Shoua &bytes_copied2); 212c1395a2aSHaggai Eran 213c1395a2aSHaggai Eran if (ret) 214c1395a2aSHaggai Eran return ret; 215fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 216fbeb4075SMoni Shoua return 0; 217fbeb4075SMoni Shoua } 218c1395a2aSHaggai Eran 219da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 220da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 221da9ee9d8SMoni Shoua { 222da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 223da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 224da9ee9d8SMoni Shoua 225da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 226da9ee9d8SMoni Shoua return -EINVAL; 227da9ee9d8SMoni Shoua 228da9ee9d8SMoni Shoua if (!umem) 229da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 230da9ee9d8SMoni Shoua buflen, bc); 231da9ee9d8SMoni Shoua 232da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 233da9ee9d8SMoni Shoua } 234da9ee9d8SMoni Shoua 235da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 236da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 237fbeb4075SMoni Shoua { 238fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 239fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 240fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 241fbeb4075SMoni Shoua size_t bytes_copied; 242fbeb4075SMoni Shoua int ret; 243fbeb4075SMoni Shoua 244da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 245da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 246da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 247fbeb4075SMoni Shoua &bytes_copied); 248fbeb4075SMoni Shoua 249fbeb4075SMoni Shoua if (ret) 250fbeb4075SMoni Shoua return ret; 251fbeb4075SMoni Shoua *bc = bytes_copied; 252fbeb4075SMoni Shoua return 0; 253fbeb4075SMoni Shoua } 254fbeb4075SMoni Shoua 255da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 256da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 257da9ee9d8SMoni Shoua { 258da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 259da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 260da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 261da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 262da9ee9d8SMoni Shoua 263da9ee9d8SMoni Shoua if (buflen < wqe_size) 264da9ee9d8SMoni Shoua return -EINVAL; 265da9ee9d8SMoni Shoua 266da9ee9d8SMoni Shoua if (!umem) 267da9ee9d8SMoni Shoua return -EOPNOTSUPP; 268da9ee9d8SMoni Shoua 269da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 270da9ee9d8SMoni Shoua } 271da9ee9d8SMoni Shoua 272da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 273da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 274fbeb4075SMoni Shoua { 275fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 276fbeb4075SMoni Shoua size_t bytes_copied; 277fbeb4075SMoni Shoua int ret; 278fbeb4075SMoni Shoua 279da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 280da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 281da9ee9d8SMoni Shoua buflen, &bytes_copied); 282fbeb4075SMoni Shoua 283fbeb4075SMoni Shoua if (ret) 284fbeb4075SMoni Shoua return ret; 285fbeb4075SMoni Shoua *bc = bytes_copied; 286fbeb4075SMoni Shoua return 0; 287c1395a2aSHaggai Eran } 288c1395a2aSHaggai Eran 289da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 290da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 291da9ee9d8SMoni Shoua { 292da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 293da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 294da9ee9d8SMoni Shoua 295da9ee9d8SMoni Shoua if (buflen < wqe_size) 296da9ee9d8SMoni Shoua return -EINVAL; 297da9ee9d8SMoni Shoua 298da9ee9d8SMoni Shoua if (!umem) 299da9ee9d8SMoni Shoua return -EOPNOTSUPP; 300da9ee9d8SMoni Shoua 301da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 302da9ee9d8SMoni Shoua } 303da9ee9d8SMoni Shoua 304e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 305e126ba97SEli Cohen { 306e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 307e126ba97SEli Cohen struct ib_event event; 308e126ba97SEli Cohen 30919098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 31019098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 31119098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 31219098df2Smajd@mellanox.com } 313e126ba97SEli Cohen 314e126ba97SEli Cohen if (ibqp->event_handler) { 315e126ba97SEli Cohen event.device = ibqp->device; 316e126ba97SEli Cohen event.element.qp = ibqp; 317e126ba97SEli Cohen switch (type) { 318e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 319e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 322e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 323e126ba97SEli Cohen break; 324e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 325e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 326e126ba97SEli Cohen break; 327e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 328e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 329e126ba97SEli Cohen break; 330e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 331e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 332e126ba97SEli Cohen break; 333e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 334e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 335e126ba97SEli Cohen break; 336e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 337e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 338e126ba97SEli Cohen break; 339e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 340e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 341e126ba97SEli Cohen break; 342e126ba97SEli Cohen default: 343e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 344e126ba97SEli Cohen return; 345e126ba97SEli Cohen } 346e126ba97SEli Cohen 347e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 348e126ba97SEli Cohen } 349e126ba97SEli Cohen } 350e126ba97SEli Cohen 351e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 352e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 353e126ba97SEli Cohen { 354e126ba97SEli Cohen int wqe_size; 355e126ba97SEli Cohen int wq_size; 356e126ba97SEli Cohen 357e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 358938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 359e126ba97SEli Cohen return -EINVAL; 360e126ba97SEli Cohen 361e126ba97SEli Cohen if (!has_rq) { 362e126ba97SEli Cohen qp->rq.max_gs = 0; 363e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 364e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3650540d814SNoa Osherovich cap->max_recv_wr = 0; 3660540d814SNoa Osherovich cap->max_recv_sge = 0; 367e126ba97SEli Cohen } else { 368c95e6d53SLeon Romanovsky int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); 369c95e6d53SLeon Romanovsky 370e126ba97SEli Cohen if (ucmd) { 371e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 372002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 373002bf228SLeon Romanovsky return -EINVAL; 374e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 375c95e6d53SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / 376c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) < 377c95e6d53SLeon Romanovsky wq_sig) 378002bf228SLeon Romanovsky return -EINVAL; 379c95e6d53SLeon Romanovsky qp->rq.max_gs = 380c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 381c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 382c95e6d53SLeon Romanovsky wq_sig; 383e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 384e126ba97SEli Cohen } else { 385c95e6d53SLeon Romanovsky wqe_size = 386c95e6d53SLeon Romanovsky wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 387c95e6d53SLeon Romanovsky 0; 388e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 389e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 390e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 391e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 392e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 393938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 394e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 395e126ba97SEli Cohen wqe_size, 396938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 397938fe83cSSaeed Mahameed max_wqe_sz_rq)); 398e126ba97SEli Cohen return -EINVAL; 399e126ba97SEli Cohen } 400e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 401c95e6d53SLeon Romanovsky qp->rq.max_gs = 402c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 403c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 404c95e6d53SLeon Romanovsky wq_sig; 405e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 406e126ba97SEli Cohen } 407e126ba97SEli Cohen } 408e126ba97SEli Cohen 409e126ba97SEli Cohen return 0; 410e126ba97SEli Cohen } 411e126ba97SEli Cohen 412f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 413e126ba97SEli Cohen { 414618af384SAndi Shyti int size = 0; 415e126ba97SEli Cohen 416f0313965SErez Shitrit switch (attr->qp_type) { 417e126ba97SEli Cohen case IB_QPT_XRC_INI: 418b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 419df561f66SGustavo A. R. Silva fallthrough; 420e126ba97SEli Cohen case IB_QPT_RC: 421e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 42275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 42375c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 42475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 425064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 426064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 427064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 428e126ba97SEli Cohen break; 429e126ba97SEli Cohen 430b125a54bSEli Cohen case IB_QPT_XRC_TGT: 431b125a54bSEli Cohen return 0; 432b125a54bSEli Cohen 433e126ba97SEli Cohen case IB_QPT_UC: 434b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4369e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 43775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 438e126ba97SEli Cohen break; 439e126ba97SEli Cohen 440e126ba97SEli Cohen case IB_QPT_UD: 441f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 442f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 443f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 444df561f66SGustavo A. R. Silva fallthrough; 445e126ba97SEli Cohen case IB_QPT_SMI: 446d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 447b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 448e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 449e126ba97SEli Cohen break; 450e126ba97SEli Cohen 451e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 452b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 453e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 454e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 455e126ba97SEli Cohen break; 456e126ba97SEli Cohen 457e126ba97SEli Cohen default: 458e126ba97SEli Cohen return -EINVAL; 459e126ba97SEli Cohen } 460e126ba97SEli Cohen 461e126ba97SEli Cohen return size; 462e126ba97SEli Cohen } 463e126ba97SEli Cohen 464e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 465e126ba97SEli Cohen { 466e126ba97SEli Cohen int inl_size = 0; 467e126ba97SEli Cohen int size; 468e126ba97SEli Cohen 469f0313965SErez Shitrit size = sq_overhead(attr); 470e126ba97SEli Cohen if (size < 0) 471e126ba97SEli Cohen return size; 472e126ba97SEli Cohen 473e126ba97SEli Cohen if (attr->cap.max_inline_data) { 474e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 475e126ba97SEli Cohen attr->cap.max_inline_data; 476e126ba97SEli Cohen } 477e126ba97SEli Cohen 478e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 479c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 480e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 481e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 482e1e66cc2SSagi Grimberg else 483e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 484e126ba97SEli Cohen } 485e126ba97SEli Cohen 486288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 487288c01b7SEli Cohen { 488288c01b7SEli Cohen int max_sge; 489288c01b7SEli Cohen 490288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 491288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 492288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 493288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 494288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 495288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 496288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 497288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 498288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 499288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 500288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 501288c01b7SEli Cohen else 502288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 503288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 504288c01b7SEli Cohen 505288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 506288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 507288c01b7SEli Cohen } 508288c01b7SEli Cohen 509e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 510e126ba97SEli Cohen struct mlx5_ib_qp *qp) 511e126ba97SEli Cohen { 512e126ba97SEli Cohen int wqe_size; 513e126ba97SEli Cohen int wq_size; 514e126ba97SEli Cohen 515e126ba97SEli Cohen if (!attr->cap.max_send_wr) 516e126ba97SEli Cohen return 0; 517e126ba97SEli Cohen 518e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 519e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 520e126ba97SEli Cohen if (wqe_size < 0) 521e126ba97SEli Cohen return wqe_size; 522e126ba97SEli Cohen 523938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 524b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 525938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 526e126ba97SEli Cohen return -EINVAL; 527e126ba97SEli Cohen } 528e126ba97SEli Cohen 529f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 530e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 531e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 532e126ba97SEli Cohen 533e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 534e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 535938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5361974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5371974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 538938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 539938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 540b125a54bSEli Cohen return -ENOMEM; 541b125a54bSEli Cohen } 542e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 543288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 544288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 545288c01b7SEli Cohen return -ENOMEM; 546288c01b7SEli Cohen 547288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 548b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 549b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 550e126ba97SEli Cohen 551e126ba97SEli Cohen return wq_size; 552e126ba97SEli Cohen } 553e126ba97SEli Cohen 554e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 555e126ba97SEli Cohen struct mlx5_ib_qp *qp, 55619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5570fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 559e126ba97SEli Cohen { 560e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 561e126ba97SEli Cohen 562938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 563e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 564938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 565e126ba97SEli Cohen return -EINVAL; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 569af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 570af8b38edSGal Pressman ucmd->sq_wqe_count); 571e126ba97SEli Cohen return -EINVAL; 572e126ba97SEli Cohen } 573e126ba97SEli Cohen 574e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 575e126ba97SEli Cohen 576938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 577e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 578938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 579938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 580e126ba97SEli Cohen return -EINVAL; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5842be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 5850fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5860fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5870fb2ed66Smajd@mellanox.com } else { 58819098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 589e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5900fb2ed66Smajd@mellanox.com } 591e126ba97SEli Cohen 592e126ba97SEli Cohen return 0; 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 598e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 599e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 600e126ba97SEli Cohen !attr->cap.max_recv_wr) 601e126ba97SEli Cohen return 0; 602e126ba97SEli Cohen 603e126ba97SEli Cohen return 1; 604e126ba97SEli Cohen } 605e126ba97SEli Cohen 6060b80c14fSEli Cohen enum { 6070b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6080b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6090b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6100b80c14fSEli Cohen * "odd/even" order 6110b80c14fSEli Cohen */ 6120b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6130b80c14fSEli Cohen }; 6140b80c14fSEli Cohen 615b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 616b037c29aSEli Cohen { 61731a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 618b037c29aSEli Cohen } 619b037c29aSEli Cohen 620b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 621b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 622c1be5232SEli Cohen { 623c1be5232SEli Cohen int n; 624c1be5232SEli Cohen 625b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 626b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 627c1be5232SEli Cohen 628c1be5232SEli Cohen return n >= 0 ? n : 0; 629c1be5232SEli Cohen } 630c1be5232SEli Cohen 63118b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 63218b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 63318b0362eSYishai Hadas { 63418b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 63518b0362eSYishai Hadas } 63618b0362eSYishai Hadas 637b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 638b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 639c1be5232SEli Cohen { 640c1be5232SEli Cohen int med; 641c1be5232SEli Cohen 642b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 643b037c29aSEli Cohen return ++med; 644c1be5232SEli Cohen } 645c1be5232SEli Cohen 646b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 647b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 648e126ba97SEli Cohen { 649e126ba97SEli Cohen int i; 650e126ba97SEli Cohen 651b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 652b037c29aSEli Cohen if (!bfregi->count[i]) { 6532f5ff264SEli Cohen bfregi->count[i]++; 654e126ba97SEli Cohen return i; 655e126ba97SEli Cohen } 656e126ba97SEli Cohen } 657e126ba97SEli Cohen 658e126ba97SEli Cohen return -ENOMEM; 659e126ba97SEli Cohen } 660e126ba97SEli Cohen 661b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663e126ba97SEli Cohen { 66418b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 665e126ba97SEli Cohen int i; 666e126ba97SEli Cohen 66718b0362eSYishai Hadas if (minidx < 0) 66818b0362eSYishai Hadas return minidx; 66918b0362eSYishai Hadas 67018b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6712f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 672e126ba97SEli Cohen minidx = i; 6730b80c14fSEli Cohen if (!bfregi->count[minidx]) 6740b80c14fSEli Cohen break; 675e126ba97SEli Cohen } 676e126ba97SEli Cohen 6772f5ff264SEli Cohen bfregi->count[minidx]++; 678e126ba97SEli Cohen return minidx; 679e126ba97SEli Cohen } 680e126ba97SEli Cohen 681b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 682ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 683e126ba97SEli Cohen { 684ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 685e126ba97SEli Cohen 6860a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 6870a2fd01cSYishai Hadas return -EINVAL; 6880a2fd01cSYishai Hadas 6892f5ff264SEli Cohen mutex_lock(&bfregi->lock); 690ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 691ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 692ffaf58deSLeon Romanovsky if (bfregn < 0) 693ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 694ffaf58deSLeon Romanovsky } 695ffaf58deSLeon Romanovsky 696ffaf58deSLeon Romanovsky if (bfregn < 0) { 6970b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6982f5ff264SEli Cohen bfregn = 0; 6992f5ff264SEli Cohen bfregi->count[bfregn]++; 700e126ba97SEli Cohen } 7012f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 702e126ba97SEli Cohen 7032f5ff264SEli Cohen return bfregn; 704e126ba97SEli Cohen } 705e126ba97SEli Cohen 7064ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 707e126ba97SEli Cohen { 7082f5ff264SEli Cohen mutex_lock(&bfregi->lock); 709b037c29aSEli Cohen bfregi->count[bfregn]--; 7102f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 711e126ba97SEli Cohen } 712e126ba97SEli Cohen 713e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 714e126ba97SEli Cohen { 715e126ba97SEli Cohen switch (state) { 716e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 717e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 718e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 719e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 720e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 721e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 722e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 723e126ba97SEli Cohen default: return -1; 724e126ba97SEli Cohen } 725e126ba97SEli Cohen } 726e126ba97SEli Cohen 727e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 728e126ba97SEli Cohen { 729e126ba97SEli Cohen switch (type) { 730e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 731e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 732e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 733e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 734e126ba97SEli Cohen case IB_QPT_XRC_INI: 735e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 736e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 737d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 738c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 7393ae7e66aSLeon Romanovsky case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; 740e126ba97SEli Cohen default: return -EINVAL; 741e126ba97SEli Cohen } 742e126ba97SEli Cohen } 743e126ba97SEli Cohen 74489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 74589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 74789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74889ea94a7SMaor Gottlieb 7497c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 75005f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7511ee47ab3SYishai Hadas bool dyn_bfreg) 752e126ba97SEli Cohen { 75305f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 75405f58cebSLeon Romanovsky u32 index_of_sys_page; 75505f58cebSLeon Romanovsky u32 offset; 756b037c29aSEli Cohen 7570a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7580a2fd01cSYishai Hadas return -EINVAL; 7590a2fd01cSYishai Hadas 760b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 761b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 762b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 763b037c29aSEli Cohen 76405f58cebSLeon Romanovsky if (dyn_bfreg) { 76505f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 76605f58cebSLeon Romanovsky 7677c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7687c043e90SYishai Hadas return -EINVAL; 7697c043e90SYishai Hadas 7701ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7711ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7721ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7731ee47ab3SYishai Hadas return -EINVAL; 7741ee47ab3SYishai Hadas } 7751ee47ab3SYishai Hadas } 776b037c29aSEli Cohen 7771ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 778b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 779e126ba97SEli Cohen } 780e126ba97SEli Cohen 781fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 782bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78379b20a6cSYishai Hadas { 784bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 785bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 786bdeacabdSShamir Rabinovitch udata, 787bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 788bdeacabdSShamir Rabinovitch ibucontext); 78979b20a6cSYishai Hadas 790fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 791fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 792fe248c3aSMaor Gottlieb 79379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79579b20a6cSYishai Hadas } 79679b20a6cSYishai Hadas 79779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 798b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 80079b20a6cSYishai Hadas { 80189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 80289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 803ad480ea5SJason Gunthorpe unsigned long page_size = 0; 80479b20a6cSYishai Hadas u32 offset = 0; 80579b20a6cSYishai Hadas int err; 80679b20a6cSYishai Hadas 80779b20a6cSYishai Hadas if (!ucmd->buf_addr) 80879b20a6cSYishai Hadas return -EINVAL; 80979b20a6cSYishai Hadas 810c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 81179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81479b20a6cSYishai Hadas return err; 81579b20a6cSYishai Hadas } 81679b20a6cSYishai Hadas 817ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 818ad480ea5SJason Gunthorpe rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 819ad480ea5SJason Gunthorpe page_offset, 64, &rwq->rq_page_offset); 820ad480ea5SJason Gunthorpe if (!page_size) { 82179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 822ad480ea5SJason Gunthorpe err = -EINVAL; 82379b20a6cSYishai Hadas goto err_umem; 82479b20a6cSYishai Hadas } 82579b20a6cSYishai Hadas 826ad480ea5SJason Gunthorpe rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); 827ad480ea5SJason Gunthorpe rwq->page_shift = order_base_2(page_size); 828ad480ea5SJason Gunthorpe rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT; 82979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 83079b20a6cSYishai Hadas 831f8fb3110SJason Gunthorpe mlx5_ib_dbg( 832f8fb3110SJason Gunthorpe dev, 833ad480ea5SJason Gunthorpe "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", 83479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 835ad480ea5SJason Gunthorpe ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, 836f8fb3110SJason Gunthorpe offset); 83779b20a6cSYishai Hadas 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; 867a59b7b05SJason Gunthorpe unsigned int page_offset_quantized = 0; 868a59b7b05SJason Gunthorpe unsigned long page_size = 0; 8691ee47ab3SYishai Hadas int uar_index = 0; 8702f5ff264SEli Cohen int bfregn; 8719e9c47d0SEli Cohen int ncont = 0; 87209a7d9ecSSaeed Mahameed __be64 *pas; 87309a7d9ecSSaeed Mahameed void *qpc; 874e126ba97SEli Cohen int err; 8755aa3771dSYishai Hadas u16 uid; 876ac42a5eeSYishai Hadas u32 uar_flags; 877e126ba97SEli Cohen 87889944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 87989944450SShamir Rabinovitch ibucontext); 88076883a6cSLeon Romanovsky uar_flags = qp->flags_en & 88176883a6cSLeon Romanovsky (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); 882ac42a5eeSYishai Hadas switch (uar_flags) { 883ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 88476883a6cSLeon Romanovsky uar_index = ucmd->bfreg_index; 885ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 886ac42a5eeSYishai Hadas break; 887ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 8881ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 88976883a6cSLeon Romanovsky ucmd->bfreg_index, true); 8901ee47ab3SYishai Hadas if (uar_index < 0) 8911ee47ab3SYishai Hadas return uar_index; 8921ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 893ac42a5eeSYishai Hadas break; 894ac42a5eeSYishai Hadas case 0: 8952be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 896ac42a5eeSYishai Hadas return -EINVAL; 897ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 898ffaf58deSLeon Romanovsky if (bfregn < 0) 8992f5ff264SEli Cohen return bfregn; 900ac42a5eeSYishai Hadas break; 901ac42a5eeSYishai Hadas default: 902ac42a5eeSYishai Hadas return -EINVAL; 903e126ba97SEli Cohen } 904e126ba97SEli Cohen 9052f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9061ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9071ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9081ee47ab3SYishai Hadas false); 909e126ba97SEli Cohen 91048fea837SHaggai Eran qp->rq.offset = 0; 91148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 91248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91348fea837SHaggai Eran 91476883a6cSLeon Romanovsky err = set_user_buf_size(dev, qp, ucmd, base, attr); 915e126ba97SEli Cohen if (err) 9162f5ff264SEli Cohen goto err_bfreg; 917e126ba97SEli Cohen 91876883a6cSLeon Romanovsky if (ucmd->buf_addr && ubuffer->buf_size) { 91976883a6cSLeon Romanovsky ubuffer->buf_addr = ucmd->buf_addr; 920a59b7b05SJason Gunthorpe ubuffer->umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 921a59b7b05SJason Gunthorpe ubuffer->buf_size, 0); 922a59b7b05SJason Gunthorpe if (IS_ERR(ubuffer->umem)) { 923a59b7b05SJason Gunthorpe err = PTR_ERR(ubuffer->umem); 9242f5ff264SEli Cohen goto err_bfreg; 925a59b7b05SJason Gunthorpe } 926a59b7b05SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 927a59b7b05SJason Gunthorpe ubuffer->umem, qpc, log_page_size, 928a59b7b05SJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64, 929a59b7b05SJason Gunthorpe &page_offset_quantized); 930a59b7b05SJason Gunthorpe if (!page_size) { 931a59b7b05SJason Gunthorpe err = -EINVAL; 932a59b7b05SJason Gunthorpe goto err_umem; 933a59b7b05SJason Gunthorpe } 934a59b7b05SJason Gunthorpe ncont = ib_umem_num_dma_blocks(ubuffer->umem, page_size); 9359e9c47d0SEli Cohen } else { 93619098df2Smajd@mellanox.com ubuffer->umem = NULL; 9379e9c47d0SEli Cohen } 938e126ba97SEli Cohen 93909a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 94009a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9411b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 942e126ba97SEli Cohen if (!*in) { 943e126ba97SEli Cohen err = -ENOMEM; 944e126ba97SEli Cohen goto err_umem; 945e126ba97SEli Cohen } 946e126ba97SEli Cohen 94704bcc1c2SLeon Romanovsky uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9485aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 94909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 950a59b7b05SJason Gunthorpe pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 951a59b7b05SJason Gunthorpe if (ubuffer->umem) { 952a59b7b05SJason Gunthorpe mlx5_ib_populate_pas(ubuffer->umem, page_size, pas, 0); 953a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, log_page_size, 954a59b7b05SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 955a59b7b05SJason Gunthorpe MLX5_SET(qpc, qpc, page_offset, page_offset_quantized); 956a59b7b05SJason Gunthorpe } 95709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9581ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 959b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9601ee47ab3SYishai Hadas else 9611ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9622f5ff264SEli Cohen qp->bfregn = bfregn; 963e126ba97SEli Cohen 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); 10812fe8d4b8SAharon Landau MLX5_SET(qpc, qpc, ts_format, MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT); 108209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 108309a7d9ecSSaeed Mahameed 1084e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 108509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 108609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1087e126ba97SEli Cohen 10882978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 108909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1090b11a4f9cSHaggai Eran 109134f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 109234f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 109334f4c955SGuy Levi *in, pas)); 1094e126ba97SEli Cohen 10959603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1096e126ba97SEli Cohen if (err) { 1097e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1098e126ba97SEli Cohen goto err_free; 1099e126ba97SEli Cohen } 1100e126ba97SEli Cohen 1101b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1102b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1103b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1104b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1105b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1106b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1107b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1108b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1109b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1110b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1111e126ba97SEli Cohen 1112e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1113e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1114e126ba97SEli Cohen err = -ENOMEM; 1115e126ba97SEli Cohen goto err_wrid; 1116e126ba97SEli Cohen } 1117e126ba97SEli Cohen 1118e126ba97SEli Cohen return 0; 1119e126ba97SEli Cohen 1120e126ba97SEli Cohen err_wrid: 1121b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1122b5883008SLi Dongyang kvfree(qp->sq.w_list); 1123b5883008SLi Dongyang kvfree(qp->sq.wrid); 1124b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1125b5883008SLi Dongyang kvfree(qp->rq.wrid); 1126f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1127e126ba97SEli Cohen 1128e126ba97SEli Cohen err_free: 1129479163f4SAl Viro kvfree(*in); 1130e126ba97SEli Cohen 1131e126ba97SEli Cohen err_buf: 113234f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1133e126ba97SEli Cohen return err; 1134e126ba97SEli Cohen } 1135e126ba97SEli Cohen 113609a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1137e126ba97SEli Cohen { 11387aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11397aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 114009a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1141e126ba97SEli Cohen else if (!qp->has_rq) 114209a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11437aede1a2SLeon Romanovsky 114409a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1145e126ba97SEli Cohen } 1146e126ba97SEli Cohen 11470fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1148c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11491cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11501cd6dbd3SYishai Hadas struct ib_pd *pd) 11510fb2ed66Smajd@mellanox.com { 1152e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11530fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11540fb2ed66Smajd@mellanox.com 11551cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11560fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11572be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1158c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1159c2e53b2cSYishai Hadas 1160e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11610fb2ed66Smajd@mellanox.com } 11620fb2ed66Smajd@mellanox.com 11630fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11641cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11650fb2ed66Smajd@mellanox.com { 11661cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11670fb2ed66Smajd@mellanox.com } 11680fb2ed66Smajd@mellanox.com 1169d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1170b96c9ddeSMark Bloch { 1171b96c9ddeSMark Bloch if (sq->flow_rule) 1172b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1173d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1174b96c9ddeSMark Bloch } 1175b96c9ddeSMark Bloch 11762fe8d4b8SAharon Landau static int get_rq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq) 11772fe8d4b8SAharon Landau { 11782fe8d4b8SAharon Landau bool fr_supported = 11792fe8d4b8SAharon Landau MLX5_CAP_GEN(dev->mdev, rq_ts_format) == 11802fe8d4b8SAharon Landau MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || 11812fe8d4b8SAharon Landau MLX5_CAP_GEN(dev->mdev, rq_ts_format) == 11822fe8d4b8SAharon Landau MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; 11832fe8d4b8SAharon Landau 11842fe8d4b8SAharon Landau if (send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) { 11852fe8d4b8SAharon Landau if (!fr_supported) { 11862fe8d4b8SAharon Landau mlx5_ib_dbg(dev, "Free running TS format is not supported\n"); 11872fe8d4b8SAharon Landau return -EOPNOTSUPP; 11882fe8d4b8SAharon Landau } 11892fe8d4b8SAharon Landau return MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING; 11902fe8d4b8SAharon Landau } 11912fe8d4b8SAharon Landau return MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT; 11922fe8d4b8SAharon Landau } 11932fe8d4b8SAharon Landau 11942fe8d4b8SAharon Landau static int get_sq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq) 11952fe8d4b8SAharon Landau { 11962fe8d4b8SAharon Landau bool fr_supported = 11972fe8d4b8SAharon Landau MLX5_CAP_GEN(dev->mdev, sq_ts_format) == 11982fe8d4b8SAharon Landau MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || 11992fe8d4b8SAharon Landau MLX5_CAP_GEN(dev->mdev, sq_ts_format) == 12002fe8d4b8SAharon Landau MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; 12012fe8d4b8SAharon Landau 12022fe8d4b8SAharon Landau if (send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) { 12032fe8d4b8SAharon Landau if (!fr_supported) { 12042fe8d4b8SAharon Landau mlx5_ib_dbg(dev, "Free running TS format is not supported\n"); 12052fe8d4b8SAharon Landau return -EOPNOTSUPP; 12062fe8d4b8SAharon Landau } 12072fe8d4b8SAharon Landau return MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING; 12082fe8d4b8SAharon Landau } 12092fe8d4b8SAharon Landau return MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT; 12102fe8d4b8SAharon Landau } 12112fe8d4b8SAharon Landau 12122fe8d4b8SAharon Landau static int get_qp_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq, 12132fe8d4b8SAharon Landau struct mlx5_ib_cq *recv_cq) 12142fe8d4b8SAharon Landau { 12152fe8d4b8SAharon Landau bool fr_supported = 12162fe8d4b8SAharon Landau MLX5_CAP_ROCE(dev->mdev, qp_ts_format) == 12172fe8d4b8SAharon Landau MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || 12182fe8d4b8SAharon Landau MLX5_CAP_ROCE(dev->mdev, qp_ts_format) == 12192fe8d4b8SAharon Landau MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; 12202fe8d4b8SAharon Landau int ts_format = MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT; 12212fe8d4b8SAharon Landau 12222fe8d4b8SAharon Landau if (recv_cq && 12232fe8d4b8SAharon Landau recv_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) 12242fe8d4b8SAharon Landau ts_format = MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING; 12252fe8d4b8SAharon Landau 12262fe8d4b8SAharon Landau if (send_cq && 12272fe8d4b8SAharon Landau send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) 12282fe8d4b8SAharon Landau ts_format = MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING; 12292fe8d4b8SAharon Landau 12302fe8d4b8SAharon Landau if (ts_format == MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING && 12312fe8d4b8SAharon Landau !fr_supported) { 12322fe8d4b8SAharon Landau mlx5_ib_dbg(dev, "Free running TS format is not supported\n"); 12332fe8d4b8SAharon Landau return -EOPNOTSUPP; 12342fe8d4b8SAharon Landau } 12352fe8d4b8SAharon Landau return ts_format; 12362fe8d4b8SAharon Landau } 12372fe8d4b8SAharon Landau 12380fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1239b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12400fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12412fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 12420fb2ed66Smajd@mellanox.com { 12430fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12440fb2ed66Smajd@mellanox.com __be64 *pas; 12450fb2ed66Smajd@mellanox.com void *in; 12460fb2ed66Smajd@mellanox.com void *sqc; 12470fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12480fb2ed66Smajd@mellanox.com void *wq; 12490fb2ed66Smajd@mellanox.com int inlen; 12500fb2ed66Smajd@mellanox.com int err; 1251ad480ea5SJason Gunthorpe unsigned int page_offset_quantized; 1252ad480ea5SJason Gunthorpe unsigned long page_size; 12532fe8d4b8SAharon Landau int ts_format; 12542fe8d4b8SAharon Landau 12552fe8d4b8SAharon Landau ts_format = get_sq_ts_format(dev, cq); 12562fe8d4b8SAharon Landau if (ts_format < 0) 12572fe8d4b8SAharon Landau return ts_format; 12580fb2ed66Smajd@mellanox.com 1259ad480ea5SJason Gunthorpe sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 1260ad480ea5SJason Gunthorpe ubuffer->buf_size, 0); 1261ad480ea5SJason Gunthorpe if (IS_ERR(sq->ubuffer.umem)) 1262ad480ea5SJason Gunthorpe return PTR_ERR(sq->ubuffer.umem); 1263ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 1264ad480ea5SJason Gunthorpe ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 1265ad480ea5SJason Gunthorpe page_offset, 64, &page_offset_quantized); 1266ad480ea5SJason Gunthorpe if (!page_size) { 1267ad480ea5SJason Gunthorpe err = -EINVAL; 1268ad480ea5SJason Gunthorpe goto err_umem; 1269ad480ea5SJason Gunthorpe } 12700fb2ed66Smajd@mellanox.com 12717db0eea9SJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1272ad480ea5SJason Gunthorpe sizeof(u64) * 1273ad480ea5SJason Gunthorpe ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size); 12741b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12750fb2ed66Smajd@mellanox.com if (!in) { 12760fb2ed66Smajd@mellanox.com err = -ENOMEM; 12770fb2ed66Smajd@mellanox.com goto err_umem; 12780fb2ed66Smajd@mellanox.com } 12790fb2ed66Smajd@mellanox.com 1280c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12810fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12820fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1283795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1284795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12850fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12862fe8d4b8SAharon Landau MLX5_SET(sqc, sqc, ts_format, ts_format); 12870fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12880fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12890fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12900fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 129196dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 129296dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 129396dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12960fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12970fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12980fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12990fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13000fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 13010fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 1302ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 1303ad480ea5SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 1304ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13050fb2ed66Smajd@mellanox.com 13060fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 1307ad480ea5SJason Gunthorpe mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0); 13080fb2ed66Smajd@mellanox.com 1309333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 13100fb2ed66Smajd@mellanox.com 13110fb2ed66Smajd@mellanox.com kvfree(in); 13120fb2ed66Smajd@mellanox.com 13130fb2ed66Smajd@mellanox.com if (err) 13140fb2ed66Smajd@mellanox.com goto err_umem; 13150fb2ed66Smajd@mellanox.com 13160fb2ed66Smajd@mellanox.com return 0; 13170fb2ed66Smajd@mellanox.com 13180fb2ed66Smajd@mellanox.com err_umem: 13190fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13200fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13210fb2ed66Smajd@mellanox.com 13220fb2ed66Smajd@mellanox.com return err; 13230fb2ed66Smajd@mellanox.com } 13240fb2ed66Smajd@mellanox.com 13250fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13260fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13270fb2ed66Smajd@mellanox.com { 1328d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1329333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 13300fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13310fb2ed66Smajd@mellanox.com } 13320fb2ed66Smajd@mellanox.com 13330fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13342c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 13352fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 13360fb2ed66Smajd@mellanox.com { 1337358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13380fb2ed66Smajd@mellanox.com __be64 *pas; 13390fb2ed66Smajd@mellanox.com void *in; 13400fb2ed66Smajd@mellanox.com void *rqc; 13410fb2ed66Smajd@mellanox.com void *wq; 13420fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13437579dcdfSJason Gunthorpe struct ib_umem *umem = rq->base.ubuffer.umem; 13447579dcdfSJason Gunthorpe unsigned int page_offset_quantized; 13457579dcdfSJason Gunthorpe unsigned long page_size = 0; 13462fe8d4b8SAharon Landau int ts_format; 13472c292dbbSBoris Pismenny size_t inlen; 13480fb2ed66Smajd@mellanox.com int err; 13492c292dbbSBoris Pismenny 13502fe8d4b8SAharon Landau ts_format = get_rq_ts_format(dev, cq); 13512fe8d4b8SAharon Landau if (ts_format < 0) 13522fe8d4b8SAharon Landau return ts_format; 13532fe8d4b8SAharon Landau 13547579dcdfSJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz, 13557579dcdfSJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, 13567579dcdfSJason Gunthorpe page_offset, 64, 13577579dcdfSJason Gunthorpe &page_offset_quantized); 13587579dcdfSJason Gunthorpe if (!page_size) 13592c292dbbSBoris Pismenny return -EINVAL; 13600fb2ed66Smajd@mellanox.com 13617579dcdfSJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 13627579dcdfSJason Gunthorpe sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size); 13631b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13640fb2ed66Smajd@mellanox.com if (!in) 13650fb2ed66Smajd@mellanox.com return -ENOMEM; 13660fb2ed66Smajd@mellanox.com 136734d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13680fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1369e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13700fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13710fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13720fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13732fe8d4b8SAharon Landau MLX5_SET(rqc, rqc, ts_format, ts_format); 13740fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13750fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13760fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13770fb2ed66Smajd@mellanox.com 13782be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1379358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1380358e42eaSMajd Dibbiny 13810fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13820fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1383b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1384b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13857579dcdfSJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13860fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13870fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13880fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13897579dcdfSJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 13907579dcdfSJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 13910fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13920fb2ed66Smajd@mellanox.com 13930fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13947579dcdfSJason Gunthorpe mlx5_ib_populate_pas(umem, page_size, pas, 0); 13950fb2ed66Smajd@mellanox.com 1396333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 13970fb2ed66Smajd@mellanox.com 13980fb2ed66Smajd@mellanox.com kvfree(in); 13990fb2ed66Smajd@mellanox.com 14000fb2ed66Smajd@mellanox.com return err; 14010fb2ed66Smajd@mellanox.com } 14020fb2ed66Smajd@mellanox.com 14030fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 14040fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 14050fb2ed66Smajd@mellanox.com { 1406333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 14070fb2ed66Smajd@mellanox.com } 14080fb2ed66Smajd@mellanox.com 14090042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14100042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1411443c1cf9SYishai Hadas u32 qp_flags_en, 1412443c1cf9SYishai Hadas struct ib_pd *pd) 14130042f9e4SMark Bloch { 14140042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14150042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14160042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1417443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14180042f9e4SMark Bloch } 14190042f9e4SMark Bloch 14200fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1421f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1422e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1423e0b4b472SLeon Romanovsky u32 *out) 14240fb2ed66Smajd@mellanox.com { 1425175edba8SMark Bloch u8 lb_flag = 0; 14260fb2ed66Smajd@mellanox.com u32 *in; 14270fb2ed66Smajd@mellanox.com void *tirc; 14280fb2ed66Smajd@mellanox.com int inlen; 14290fb2ed66Smajd@mellanox.com int err; 14300fb2ed66Smajd@mellanox.com 14310fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14321b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14330fb2ed66Smajd@mellanox.com if (!in) 14340fb2ed66Smajd@mellanox.com return -ENOMEM; 14350fb2ed66Smajd@mellanox.com 1436443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14370fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14380fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14390fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14400fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1441175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1442f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14430fb2ed66Smajd@mellanox.com 1444175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1445175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1446175edba8SMark Bloch 1447175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1448175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1449175edba8SMark Bloch 14506a4d00beSMark Bloch if (dev->is_rep) { 1451175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1452175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1453175edba8SMark Bloch } 1454175edba8SMark Bloch 1455175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1456e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1457e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14581f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14590042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14600042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14610042f9e4SMark Bloch 14620042f9e4SMark Bloch if (err) 1463443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14640042f9e4SMark Bloch } 14650fb2ed66Smajd@mellanox.com kvfree(in); 14660fb2ed66Smajd@mellanox.com 14670fb2ed66Smajd@mellanox.com return err; 14680fb2ed66Smajd@mellanox.com } 14690fb2ed66Smajd@mellanox.com 14700fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14712fe8d4b8SAharon Landau u32 *in, size_t inlen, struct ib_pd *pd, 14727f72052cSYishai Hadas struct ib_udata *udata, 14732fe8d4b8SAharon Landau struct mlx5_ib_create_qp_resp *resp, 14742fe8d4b8SAharon Landau struct ib_qp_init_attr *init_attr) 14750fb2ed66Smajd@mellanox.com { 14760fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14770fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14780fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 147989944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 148089944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14810fb2ed66Smajd@mellanox.com int err; 14820fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14837f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14841f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14850fb2ed66Smajd@mellanox.com 14860eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 14870eacc574SAharon Landau return -EINVAL; 14880fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14891cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14900fb2ed66Smajd@mellanox.com if (err) 14910fb2ed66Smajd@mellanox.com return err; 14920fb2ed66Smajd@mellanox.com 14932fe8d4b8SAharon Landau err = create_raw_packet_qp_sq(dev, udata, sq, in, pd, 14942fe8d4b8SAharon Landau to_mcq(init_attr->send_cq)); 14950fb2ed66Smajd@mellanox.com if (err) 14960fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14970fb2ed66Smajd@mellanox.com 14987f72052cSYishai Hadas if (uid) { 14997f72052cSYishai Hadas resp->tisn = sq->tisn; 15007f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 15017f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 15027f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 15037f72052cSYishai Hadas } 15047f72052cSYishai Hadas 15050fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 15061d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15070fb2ed66Smajd@mellanox.com } 15080fb2ed66Smajd@mellanox.com 15090fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1510358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1511358e42eaSMajd Dibbiny 15122be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1513e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 15142be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1515b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 15162fe8d4b8SAharon Landau err = create_raw_packet_qp_rq(dev, rq, in, pd, 15172fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 15180fb2ed66Smajd@mellanox.com if (err) 15190fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15200fb2ed66Smajd@mellanox.com 1521e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1522e0b4b472SLeon Romanovsky out); 15230fb2ed66Smajd@mellanox.com if (err) 15240fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15257f72052cSYishai Hadas 15267f72052cSYishai Hadas if (uid) { 15277f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15287f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15297f72052cSYishai Hadas resp->tirn = rq->tirn; 15307f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 153154a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 153254a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 15331f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15341f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15351f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15361f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15371f1d6abbSAriel Levkovich icm_address_39_32) 15381f1d6abbSAriel Levkovich << 32; 15391f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15401f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15411f1d6abbSAriel Levkovich icm_address_63_40) 15421f1d6abbSAriel Levkovich << 40; 15431f1d6abbSAriel Levkovich resp->comp_mask |= 15441f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15451f1d6abbSAriel Levkovich } 15467f72052cSYishai Hadas } 15470fb2ed66Smajd@mellanox.com } 15480fb2ed66Smajd@mellanox.com 15490fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15500fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15510fb2ed66Smajd@mellanox.com return 0; 15520fb2ed66Smajd@mellanox.com 15530fb2ed66Smajd@mellanox.com err_destroy_rq: 15540fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15550fb2ed66Smajd@mellanox.com err_destroy_sq: 15560fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15570fb2ed66Smajd@mellanox.com return err; 15580fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15590fb2ed66Smajd@mellanox.com err_destroy_tis: 15601cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15610fb2ed66Smajd@mellanox.com 15620fb2ed66Smajd@mellanox.com return err; 15630fb2ed66Smajd@mellanox.com } 15640fb2ed66Smajd@mellanox.com 15650fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15660fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15670fb2ed66Smajd@mellanox.com { 15680fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15690fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15700fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15710fb2ed66Smajd@mellanox.com 15720fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1573443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15740fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15750fb2ed66Smajd@mellanox.com } 15760fb2ed66Smajd@mellanox.com 15770fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15780fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15791cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15800fb2ed66Smajd@mellanox.com } 15810fb2ed66Smajd@mellanox.com } 15820fb2ed66Smajd@mellanox.com 15830fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15840fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15850fb2ed66Smajd@mellanox.com { 15860fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15870fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15880fb2ed66Smajd@mellanox.com 15890fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15900fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15910fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15920fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15930fb2ed66Smajd@mellanox.com } 15940fb2ed66Smajd@mellanox.com 159528d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 159628d61370SYishai Hadas { 15970042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15980042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15990042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1600443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1601443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 160228d61370SYishai Hadas } 160328d61370SYishai Hadas 1604f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1605f78d358cSLeon Romanovsky struct ib_udata *udata; 1606f78d358cSLeon Romanovsky size_t inlen; 16076f2cf76eSLeon Romanovsky size_t outlen; 1608e383085cSLeon Romanovsky size_t ucmd_size; 1609f78d358cSLeon Romanovsky void *ucmd; 1610f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1611f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1612f78d358cSLeon Romanovsky u32 uidx; 161308d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1614f78d358cSLeon Romanovsky }; 1615f78d358cSLeon Romanovsky 1616f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1617f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1618f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 161928d61370SYishai Hadas { 1620f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1621f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1622f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 162389944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 162489944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 162528d61370SYishai Hadas int inlen; 16261f1d6abbSAriel Levkovich int outlen; 162728d61370SYishai Hadas int err; 162828d61370SYishai Hadas u32 *in; 16291f1d6abbSAriel Levkovich u32 *out; 163028d61370SYishai Hadas void *tirc; 163128d61370SYishai Hadas void *hfso; 163228d61370SYishai Hadas u32 selected_fields = 0; 16332d93fc85SMatan Barak u32 outer_l4; 163428d61370SYishai Hadas u32 tdn = mucontext->tdn; 1635175edba8SMark Bloch u8 lb_flag = 0; 163628d61370SYishai Hadas 16375ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 163828d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 163928d61370SYishai Hadas return -EOPNOTSUPP; 164028d61370SYishai Hadas } 164128d61370SYishai Hadas 16425ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 16435ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1644309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1645309fa347SMaor Gottlieb return -EOPNOTSUPP; 1646309fa347SMaor Gottlieb } 1647309fa347SMaor Gottlieb 164837518fa4SLeon Romanovsky if (dev->is_rep) 1649175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1650175edba8SMark Bloch 165137518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 165237518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 165337518fa4SLeon Romanovsky 165437518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1655175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1656175edba8SMark Bloch 165728d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16581f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16591f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 166028d61370SYishai Hadas if (!in) 166128d61370SYishai Hadas return -ENOMEM; 166228d61370SYishai Hadas 16631f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1664443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 166528d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 166628d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 166728d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 166828d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 166928d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 167028d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 167128d61370SYishai Hadas 167228d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1673f95ef6cbSMaor Gottlieb 16745ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1675f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1676f95ef6cbSMaor Gottlieb 1677175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1678175edba8SMark Bloch 16795ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1680309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1681309fa347SMaor Gottlieb else 1682309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1683309fa347SMaor Gottlieb 16845ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 168528d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 168628d61370SYishai Hadas { 168728d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 168828d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 168928d61370SYishai Hadas 16905ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 169128d61370SYishai Hadas err = -EINVAL; 169228d61370SYishai Hadas goto err; 169328d61370SYishai Hadas } 169428d61370SYishai Hadas 169528d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 16965ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 169728d61370SYishai Hadas break; 169828d61370SYishai Hadas } 169928d61370SYishai Hadas default: 170028d61370SYishai Hadas err = -EOPNOTSUPP; 170128d61370SYishai Hadas goto err; 170228d61370SYishai Hadas } 170328d61370SYishai Hadas 17045ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 170528d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 170628d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 170728d61370SYishai Hadas goto create_tir; 170828d61370SYishai Hadas err = -EINVAL; 170928d61370SYishai Hadas goto err; 171028d61370SYishai Hadas } 171128d61370SYishai Hadas 17125ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17135ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 17145ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17155ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 171628d61370SYishai Hadas err = -EINVAL; 171728d61370SYishai Hadas goto err; 171828d61370SYishai Hadas } 171928d61370SYishai Hadas 172028d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 17215ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17225ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 172328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 172428d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 17255ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17265ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 172728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 172828d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 172928d61370SYishai Hadas 17305ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17315ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 17325ce0592bSLeon Romanovsky << 0 | 17335ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17345ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 17355ce0592bSLeon Romanovsky << 1 | 17365ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17372d93fc85SMatan Barak 17382d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17392d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 174028d61370SYishai Hadas err = -EINVAL; 174128d61370SYishai Hadas goto err; 174228d61370SYishai Hadas } 174328d61370SYishai Hadas 174428d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 17455ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17465ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 174728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 174828d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 17495ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17505ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 175128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 175228d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 175328d61370SYishai Hadas 17545ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17555ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 175628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 175728d61370SYishai Hadas 17585ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 17595ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 176028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 176128d61370SYishai Hadas 17625ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17635ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 176428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 176528d61370SYishai Hadas 17665ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 17675ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 176828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 176928d61370SYishai Hadas 17705ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17712d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17722d93fc85SMatan Barak 177328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 177428d61370SYishai Hadas 177528d61370SYishai Hadas create_tir: 1776e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1777e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 177828d61370SYishai Hadas 17791f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17800042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17810042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17820042f9e4SMark Bloch 17830042f9e4SMark Bloch if (err) 1784443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1785443c1cf9SYishai Hadas to_mpd(pd)->uid); 17860042f9e4SMark Bloch } 17870042f9e4SMark Bloch 178828d61370SYishai Hadas if (err) 178928d61370SYishai Hadas goto err; 179028d61370SYishai Hadas 17917f72052cSYishai Hadas if (mucontext->devx_uid) { 179208d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 179308d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 179454a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 179554a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 179608d53976SLeon Romanovsky params->resp.tir_icm_addr = 17971f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 179808d53976SLeon Romanovsky params->resp.tir_icm_addr |= 179908d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 18001f1d6abbSAriel Levkovich icm_address_39_32) 18011f1d6abbSAriel Levkovich << 32; 180208d53976SLeon Romanovsky params->resp.tir_icm_addr |= 180308d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 18041f1d6abbSAriel Levkovich icm_address_63_40) 18051f1d6abbSAriel Levkovich << 40; 180608d53976SLeon Romanovsky params->resp.comp_mask |= 18071f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18081f1d6abbSAriel Levkovich } 18097f72052cSYishai Hadas } 18107f72052cSYishai Hadas 181128d61370SYishai Hadas kvfree(in); 181228d61370SYishai Hadas /* qpn is reserved for that QP */ 181328d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 18142be08c30SLeon Romanovsky qp->is_rss = true; 181528d61370SYishai Hadas return 0; 181628d61370SYishai Hadas 181728d61370SYishai Hadas err: 181828d61370SYishai Hadas kvfree(in); 181928d61370SYishai Hadas return err; 182028d61370SYishai Hadas } 182128d61370SYishai Hadas 18225d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 182381530ab0SLeon Romanovsky struct mlx5_ib_qp *qp, 18245d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18255d6ff1baSYonatan Cohen void *qpc) 18265d6ff1baSYonatan Cohen { 18275d6ff1baSYonatan Cohen int scqe_sz; 18282ab367a7Szhengbin bool allow_scat_cqe = false; 18295d6ff1baSYonatan Cohen 183081530ab0SLeon Romanovsky allow_scat_cqe = qp->flags_en & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18316f4bc0eaSYonatan Cohen 18326f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18335d6ff1baSYonatan Cohen return; 18345d6ff1baSYonatan Cohen 18355d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18365d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18375d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18385d6ff1baSYonatan Cohen return; 18395d6ff1baSYonatan Cohen } 18405d6ff1baSYonatan Cohen 18415d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 18425d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 18435d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 18445d6ff1baSYonatan Cohen } 18455d6ff1baSYonatan Cohen 1846a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1847a60109dcSYonatan Cohen { 1848a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1849a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1850a60109dcSYonatan Cohen */ 1851a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1852a60109dcSYonatan Cohen int log_max_size; 1853a60109dcSYonatan Cohen 1854a60109dcSYonatan Cohen if (!supported_size_mask) 1855a60109dcSYonatan Cohen return -EOPNOTSUPP; 1856a60109dcSYonatan Cohen 1857a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1858a60109dcSYonatan Cohen 1859a60109dcSYonatan Cohen if (log_max_size > 3) 1860a60109dcSYonatan Cohen return log_max_size; 1861a60109dcSYonatan Cohen 1862a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1863a60109dcSYonatan Cohen } 1864a60109dcSYonatan Cohen 1865a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1866a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1867a60109dcSYonatan Cohen { 1868a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1869a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1870a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1871a60109dcSYonatan Cohen int atomic_size_mask; 1872a60109dcSYonatan Cohen 1873a60109dcSYonatan Cohen if (!atomic) 1874a60109dcSYonatan Cohen return -EOPNOTSUPP; 1875a60109dcSYonatan Cohen 1876a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1877a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1878a60109dcSYonatan Cohen else 1879a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1880a60109dcSYonatan Cohen 1881a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1882a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1883a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1884a60109dcSYonatan Cohen 1885a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1886a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1887a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1888a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1889a60109dcSYonatan Cohen 1890a60109dcSYonatan Cohen return atomic_mode; 1891a60109dcSYonatan Cohen } 1892a60109dcSYonatan Cohen 1893f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1894f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 189504bcc1c2SLeon Romanovsky { 1896e383085cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1897f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1898f78d358cSLeon Romanovsky u32 uidx = params->uidx; 189904bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 19003e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 190104bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 190204bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 190304bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 190404bcc1c2SLeon Romanovsky unsigned long flags; 190504bcc1c2SLeon Romanovsky void *qpc; 190604bcc1c2SLeon Romanovsky u32 *in; 190704bcc1c2SLeon Romanovsky int err; 190804bcc1c2SLeon Romanovsky 190904bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 191004bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 191104bcc1c2SLeon Romanovsky 191204bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 191304bcc1c2SLeon Romanovsky if (!in) 191404bcc1c2SLeon Romanovsky return -ENOMEM; 191504bcc1c2SLeon Romanovsky 19166eefa839SLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support) && ucmd) 1917e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 191804bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 191904bcc1c2SLeon Romanovsky 192004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 192104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 192204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 192304bcc1c2SLeon Romanovsky 192404bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 192504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 192604bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 192704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 192804bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 192904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 193004bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 193104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 193204bcc1c2SLeon Romanovsky 193304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 193404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 193504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 193604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 193704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 193804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 193904bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 194004bcc1c2SLeon Romanovsky 194104bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 194204bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 194304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 194404bcc1c2SLeon Romanovsky 194504bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 194604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 194704bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 194804bcc1c2SLeon Romanovsky /* Special case to clean flag */ 194904bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 195004bcc1c2SLeon Romanovsky } 195104bcc1c2SLeon Romanovsky 195204bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 19533e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 195404bcc1c2SLeon Romanovsky kvfree(in); 19556367da46SLeon Romanovsky if (err) 195604bcc1c2SLeon Romanovsky return err; 195704bcc1c2SLeon Romanovsky 195804bcc1c2SLeon Romanovsky base->container_mibqp = qp; 195904bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 196092cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 19613e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 196204bcc1c2SLeon Romanovsky 196304bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 196404bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 196504bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 196604bcc1c2SLeon Romanovsky 1967968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 196804bcc1c2SLeon Romanovsky return 0; 196904bcc1c2SLeon Romanovsky } 197004bcc1c2SLeon Romanovsky 197198fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1972f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1973f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 1974e126ba97SEli Cohen { 1975f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1976f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 19773e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 1978f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 1979f78d358cSLeon Romanovsky u32 uidx = params->uidx; 1980e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 198109a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1982938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 198389ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 198489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 198589ea94a7SMaor Gottlieb unsigned long flags; 198609a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 19872fe8d4b8SAharon Landau int ts_format; 1988e7b169f3SNoa Osherovich int mlx5_st; 1989cfb5e088SHaggai Abramovsky void *qpc; 199009a7d9ecSSaeed Mahameed u32 *in; 199109a7d9ecSSaeed Mahameed int err; 1992e126ba97SEli Cohen 1993e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1994e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1995e126ba97SEli Cohen 19967aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 1997e7b169f3SNoa Osherovich if (mlx5_st < 0) 1998e7b169f3SNoa Osherovich return -EINVAL; 1999e7b169f3SNoa Osherovich 2000e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 2001e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 2002e126ba97SEli Cohen 20032978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 20042978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 20052978975cSLeon Romanovsky 2006c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 20072be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 2008c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2009c2e53b2cSYishai Hadas &qp->trans_qp.base; 2010c2e53b2cSYishai Hadas 2011e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 20122dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 2013e126ba97SEli Cohen if (err) { 2014e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2015e126ba97SEli Cohen return err; 2016e126ba97SEli Cohen } 2017e126ba97SEli Cohen 20182dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 201998fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 2020e126ba97SEli Cohen return -EINVAL; 2021e126ba97SEli Cohen 202298fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 202398fc1126SLeon Romanovsky return -EINVAL; 202498fc1126SLeon Romanovsky 20252fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 20262fe8d4b8SAharon Landau ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), 20272fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 20282fe8d4b8SAharon Landau if (ts_format < 0) 20292fe8d4b8SAharon Landau return ts_format; 20302fe8d4b8SAharon Landau } 20312fe8d4b8SAharon Landau 203208d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 203308d53976SLeon Romanovsky &inlen, base, ucmd); 2034e126ba97SEli Cohen if (err) 2035e126ba97SEli Cohen return err; 2036e126ba97SEli Cohen 2037e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2038e126ba97SEli Cohen qp->port = init_attr->port_num; 2039e126ba97SEli Cohen 2040e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 2041e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 204209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 204309a7d9ecSSaeed Mahameed 2044e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 204509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 204698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 2047e126ba97SEli Cohen 2048c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 204909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2050e126ba97SEli Cohen 20512be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 205209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2053f360d88aSEli Cohen 20542be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 205509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 20562be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 205709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 20582be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 205909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 20602be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2061569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 206290ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 206390ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 20648bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 206552c81f47SColin Ian King int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 20668bde2c50SLeon Romanovsky 20678bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 20688bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 20698bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 20708bde2c50SLeon Romanovsky } 207190ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 20727aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 207381530ab0SLeon Romanovsky configure_requester_scat_cqe(dev, qp, init_attr, qpc); 2074e126ba97SEli Cohen 2075e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 207609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 207709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2078e126ba97SEli Cohen } 2079e126ba97SEli Cohen 20802fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) 20812fe8d4b8SAharon Landau MLX5_SET(qpc, qpc, ts_format, ts_format); 20822fe8d4b8SAharon Landau 208309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2084e126ba97SEli Cohen 20853fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 208609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20873fd3307eSArtemy Kovalyov } else { 208809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20893fd3307eSArtemy Kovalyov if (init_attr->srq && 20903fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20913fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20923fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20933fd3307eSArtemy Kovalyov } 2094e126ba97SEli Cohen 2095e126ba97SEli Cohen /* Set default resources */ 2096e126ba97SEli Cohen switch (init_attr->qp_type) { 2097e126ba97SEli Cohen case IB_QPT_XRC_INI: 209809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 2099f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 210009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2101e126ba97SEli Cohen break; 2102e126ba97SEli Cohen default: 2103e126ba97SEli Cohen if (init_attr->srq) { 2104f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 210509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2106e126ba97SEli Cohen } else { 2107f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 210809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2109e126ba97SEli Cohen } 2110e126ba97SEli Cohen } 2111e126ba97SEli Cohen 2112e126ba97SEli Cohen if (init_attr->send_cq) 211309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2114e126ba97SEli Cohen 2115e126ba97SEli Cohen if (init_attr->recv_cq) 211609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2117e126ba97SEli Cohen 211809a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2119e126ba97SEli Cohen 2120cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 212109a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2122cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 212309a7d9ecSSaeed Mahameed 21242978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 21252978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2126b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2127b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 21282978975cSLeon Romanovsky /* Special case to clean flag */ 21292978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2130b1383aa6SNoa Osherovich } 2131b1383aa6SNoa Osherovich 2132c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 21332be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 21342dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 21350fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 21367f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 21372fe8d4b8SAharon Landau ¶ms->resp, init_attr); 213804bcc1c2SLeon Romanovsky } else 21393e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 2140e126ba97SEli Cohen 2141479163f4SAl Viro kvfree(in); 214204bcc1c2SLeon Romanovsky if (err) 214304bcc1c2SLeon Romanovsky goto err_create; 2144e126ba97SEli Cohen 214519098df2Smajd@mellanox.com base->container_mibqp = qp; 214619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 214792cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 21483e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 2149e126ba97SEli Cohen 21507aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 215189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 215289ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 215389ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 215489ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 215589ea94a7SMaor Gottlieb * flow 215689ea94a7SMaor Gottlieb */ 215789ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 215889ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 215989ea94a7SMaor Gottlieb */ 216089ea94a7SMaor Gottlieb if (send_cq) 216189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 216289ea94a7SMaor Gottlieb if (recv_cq) 216389ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 216489ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 216589ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 216689ea94a7SMaor Gottlieb 2167e126ba97SEli Cohen return 0; 2168e126ba97SEli Cohen 2169e126ba97SEli Cohen err_create: 2170747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2171e126ba97SEli Cohen return err; 2172e126ba97SEli Cohen } 2173e126ba97SEli Cohen 217498fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2175f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2176f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 217798fc1126SLeon Romanovsky { 2178f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2179f78d358cSLeon Romanovsky u32 uidx = params->uidx; 218098fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 21813e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 218298fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 218398fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 218498fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 218598fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 218698fc1126SLeon Romanovsky unsigned long flags; 218798fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 218898fc1126SLeon Romanovsky int mlx5_st; 218998fc1126SLeon Romanovsky void *qpc; 219098fc1126SLeon Romanovsky u32 *in; 219198fc1126SLeon Romanovsky int err; 219298fc1126SLeon Romanovsky 219398fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 219498fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 219598fc1126SLeon Romanovsky 219698fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 219798fc1126SLeon Romanovsky if (mlx5_st < 0) 219898fc1126SLeon Romanovsky return -EINVAL; 219998fc1126SLeon Romanovsky 220098fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 220198fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 220298fc1126SLeon Romanovsky 220398fc1126SLeon Romanovsky base = &qp->trans_qp.base; 220498fc1126SLeon Romanovsky 220598fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 220698fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 220798fc1126SLeon Romanovsky if (err) { 220898fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 220998fc1126SLeon Romanovsky return err; 221098fc1126SLeon Romanovsky } 221198fc1126SLeon Romanovsky 221298fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 221398fc1126SLeon Romanovsky if (err) 221498fc1126SLeon Romanovsky return err; 221598fc1126SLeon Romanovsky 221698fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 221798fc1126SLeon Romanovsky qp->port = attr->port_num; 221898fc1126SLeon Romanovsky 221998fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 222098fc1126SLeon Romanovsky 222198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 222298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 222398fc1126SLeon Romanovsky 222498fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 222598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 222698fc1126SLeon Romanovsky else 222798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 222898fc1126SLeon Romanovsky 222998fc1126SLeon Romanovsky 223098fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 223198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 223298fc1126SLeon Romanovsky 223398fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 223498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 223598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 223698fc1126SLeon Romanovsky } 223798fc1126SLeon Romanovsky 223898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 223998fc1126SLeon Romanovsky 224098fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 224198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 224298fc1126SLeon Romanovsky else 224398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 224498fc1126SLeon Romanovsky 224598fc1126SLeon Romanovsky if (attr->srq) { 2246f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 224798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 224898fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 224998fc1126SLeon Romanovsky } else { 2250f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 225198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 225298fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 225398fc1126SLeon Romanovsky } 225498fc1126SLeon Romanovsky 225598fc1126SLeon Romanovsky if (attr->send_cq) 225698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 225798fc1126SLeon Romanovsky 225898fc1126SLeon Romanovsky if (attr->recv_cq) 225998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 226098fc1126SLeon Romanovsky 226198fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 226298fc1126SLeon Romanovsky 226398fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 226498fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 226598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 226698fc1126SLeon Romanovsky 226798fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 226898fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 226998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 227098fc1126SLeon Romanovsky 22713e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 227298fc1126SLeon Romanovsky kvfree(in); 227398fc1126SLeon Romanovsky if (err) 227498fc1126SLeon Romanovsky goto err_create; 227598fc1126SLeon Romanovsky 227698fc1126SLeon Romanovsky base->container_mibqp = qp; 227798fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 227898fc1126SLeon Romanovsky 227998fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 228098fc1126SLeon Romanovsky &send_cq, &recv_cq); 228198fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 228298fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 228398fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 228498fc1126SLeon Romanovsky * flow 228598fc1126SLeon Romanovsky */ 228698fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 228798fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 228898fc1126SLeon Romanovsky */ 228998fc1126SLeon Romanovsky if (send_cq) 229098fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 229198fc1126SLeon Romanovsky if (recv_cq) 229298fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 229398fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 229498fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 229598fc1126SLeon Romanovsky 229698fc1126SLeon Romanovsky return 0; 229798fc1126SLeon Romanovsky 229898fc1126SLeon Romanovsky err_create: 2299747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 230098fc1126SLeon Romanovsky return err; 230198fc1126SLeon Romanovsky } 230298fc1126SLeon Romanovsky 2303e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2304e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2305e126ba97SEli Cohen { 2306e126ba97SEli Cohen if (send_cq) { 2307e126ba97SEli Cohen if (recv_cq) { 2308e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 230989ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2310e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2311e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2312e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 231389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2314e126ba97SEli Cohen __acquire(&recv_cq->lock); 2315e126ba97SEli Cohen } else { 231689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2317e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2318e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2319e126ba97SEli Cohen } 2320e126ba97SEli Cohen } else { 232189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 23226a4f139aSEli Cohen __acquire(&recv_cq->lock); 2323e126ba97SEli Cohen } 2324e126ba97SEli Cohen } else if (recv_cq) { 232589ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 23266a4f139aSEli Cohen __acquire(&send_cq->lock); 23276a4f139aSEli Cohen } else { 23286a4f139aSEli Cohen __acquire(&send_cq->lock); 23296a4f139aSEli Cohen __acquire(&recv_cq->lock); 2330e126ba97SEli Cohen } 2331e126ba97SEli Cohen } 2332e126ba97SEli Cohen 2333e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2334e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2335e126ba97SEli Cohen { 2336e126ba97SEli Cohen if (send_cq) { 2337e126ba97SEli Cohen if (recv_cq) { 2338e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2339e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 234089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2341e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2342e126ba97SEli Cohen __release(&recv_cq->lock); 234389ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2344e126ba97SEli Cohen } else { 2345e126ba97SEli Cohen spin_unlock(&send_cq->lock); 234689ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2347e126ba97SEli Cohen } 2348e126ba97SEli Cohen } else { 23496a4f139aSEli Cohen __release(&recv_cq->lock); 235089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2351e126ba97SEli Cohen } 2352e126ba97SEli Cohen } else if (recv_cq) { 23536a4f139aSEli Cohen __release(&send_cq->lock); 235489ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23556a4f139aSEli Cohen } else { 23566a4f139aSEli Cohen __release(&recv_cq->lock); 23576a4f139aSEli Cohen __release(&send_cq->lock); 2358e126ba97SEli Cohen } 2359e126ba97SEli Cohen } 2360e126ba97SEli Cohen 236189ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 236289ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2363e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2364e126ba97SEli Cohen { 236589ea94a7SMaor Gottlieb switch (qp_type) { 2366e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2367e126ba97SEli Cohen *send_cq = NULL; 2368e126ba97SEli Cohen *recv_cq = NULL; 2369e126ba97SEli Cohen break; 2370e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2371e126ba97SEli Cohen case IB_QPT_XRC_INI: 237289ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2373e126ba97SEli Cohen *recv_cq = NULL; 2374e126ba97SEli Cohen break; 2375e126ba97SEli Cohen 2376e126ba97SEli Cohen case IB_QPT_SMI: 2377d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2378e126ba97SEli Cohen case IB_QPT_RC: 2379e126ba97SEli Cohen case IB_QPT_UC: 2380e126ba97SEli Cohen case IB_QPT_UD: 23810fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 238289ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 238389ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2384e126ba97SEli Cohen break; 2385e126ba97SEli Cohen default: 2386e126ba97SEli Cohen *send_cq = NULL; 2387e126ba97SEli Cohen *recv_cq = NULL; 2388e126ba97SEli Cohen break; 2389e126ba97SEli Cohen } 2390e126ba97SEli Cohen } 2391e126ba97SEli Cohen 2392ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 239313eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 239413eab21fSAviv Heller u8 lag_tx_affinity); 2395ad5f8e96Smajd@mellanox.com 2396bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2397bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2398e126ba97SEli Cohen { 2399e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2400c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 240189ea94a7SMaor Gottlieb unsigned long flags; 2402e126ba97SEli Cohen int err; 2403e126ba97SEli Cohen 24046c41965dSLeon Romanovsky if (qp->is_rss) { 240528d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 240628d61370SYishai Hadas return; 240728d61370SYishai Hadas } 240828d61370SYishai Hadas 24096c41965dSLeon Romanovsky base = (qp->type == IB_QPT_RAW_PACKET || 24102be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 24110fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 24120fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 24130fb2ed66Smajd@mellanox.com 24146aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 24156c41965dSLeon Romanovsky if (qp->type != IB_QPT_RAW_PACKET && 24162be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2417333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 24185f62a521SLeon Romanovsky NULL, &base->mqp, NULL); 2419ad5f8e96Smajd@mellanox.com } else { 24200680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 24210680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 24220680efa2SAlex Vesker }; 24230680efa2SAlex Vesker 242413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2425ad5f8e96Smajd@mellanox.com } 2426ad5f8e96Smajd@mellanox.com if (err) 2427427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 242819098df2Smajd@mellanox.com base->mqp.qpn); 24296aec21f6SHaggai Eran } 2430e126ba97SEli Cohen 24316c41965dSLeon Romanovsky get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, 24326c41965dSLeon Romanovsky &recv_cq); 243389ea94a7SMaor Gottlieb 243489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 243589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 243689ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 243789ea94a7SMaor Gottlieb list_del(&qp->qps_list); 243889ea94a7SMaor Gottlieb if (send_cq) 243989ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 244089ea94a7SMaor Gottlieb 244189ea94a7SMaor Gottlieb if (recv_cq) 244289ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2443e126ba97SEli Cohen 244403c4077bSLeon Romanovsky if (!udata) { 244519098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2446e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2447e126ba97SEli Cohen if (send_cq != recv_cq) 244819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 244919098df2Smajd@mellanox.com NULL); 2450e126ba97SEli Cohen } 245189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 245289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2453e126ba97SEli Cohen 24546c41965dSLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET || 24552be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 24560fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24570fb2ed66Smajd@mellanox.com } else { 2458333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2459e126ba97SEli Cohen if (err) 24600fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24610fb2ed66Smajd@mellanox.com base->mqp.qpn); 24620fb2ed66Smajd@mellanox.com } 2463e126ba97SEli Cohen 2464747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2465e126ba97SEli Cohen } 2466e126ba97SEli Cohen 2467a645a89dSLeon Romanovsky static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2468a645a89dSLeon Romanovsky struct mlx5_ib_qp *qp, 2469f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2470b4aaa1f0SMoni Shoua { 2471f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2472f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2473f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2474b4aaa1f0SMoni Shoua void *dctc; 2475b4aaa1f0SMoni Shoua 24767c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev) && !MLX5_CAP_GEN(dev->mdev, lag_dct)) 24777c4b1ab9SMark Zhang return -EOPNOTSUPP; 24787c4b1ab9SMark Zhang 2479b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24809c2ba4edSLeon Romanovsky if (!qp->dct.in) 248147c80612SLeon Romanovsky return -ENOMEM; 2482b4aaa1f0SMoni Shoua 2483a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2484b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2485b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2486b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2487b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2488b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2489b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2490a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 2491a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 2492b4aaa1f0SMoni Shoua 249337518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2494fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2495fd9dab7eSLeon Romanovsky 2496fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2497fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2498fd9dab7eSLeon Romanovsky } 24995d6ff1baSYonatan Cohen 2500b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 25012b1f7470SLeon Romanovsky rdma_restrack_no_track(&qp->ibqp.res); 250247c80612SLeon Romanovsky return 0; 2503b4aaa1f0SMoni Shoua } 2504b4aaa1f0SMoni Shoua 25057aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 25067aede1a2SLeon Romanovsky enum ib_qp_type *type) 25076eb7edffSLeon Romanovsky { 25086eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 25096eb7edffSLeon Romanovsky goto out; 25106eb7edffSLeon Romanovsky 25116eb7edffSLeon Romanovsky switch (attr->qp_type) { 25126eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 25136eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 25146eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 25156eb7edffSLeon Romanovsky goto out; 25166eb7edffSLeon Romanovsky fallthrough; 25176eb7edffSLeon Romanovsky case IB_QPT_RC: 25186eb7edffSLeon Romanovsky case IB_QPT_UC: 25196eb7edffSLeon Romanovsky case IB_QPT_SMI: 25206eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25216eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 25226eb7edffSLeon Romanovsky case IB_QPT_GSI: 252342caf9cbSMark Bloch case IB_QPT_RAW_PACKET: 252442caf9cbSMark Bloch case IB_QPT_UD: 252542caf9cbSMark Bloch case MLX5_IB_QPT_REG_UMR: 25267aede1a2SLeon Romanovsky break; 25276eb7edffSLeon Romanovsky default: 25286eb7edffSLeon Romanovsky goto out; 2529b4aaa1f0SMoni Shoua } 2530b4aaa1f0SMoni Shoua 25317aede1a2SLeon Romanovsky *type = attr->qp_type; 2532b4aaa1f0SMoni Shoua return 0; 25336eb7edffSLeon Romanovsky 25346eb7edffSLeon Romanovsky out: 25356eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 25366eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2537b4aaa1f0SMoni Shoua } 2538b4aaa1f0SMoni Shoua 25392242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 25402242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 25412242cc25SLeon Romanovsky struct ib_udata *udata) 25422242cc25SLeon Romanovsky { 25432242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 25442242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 25452242cc25SLeon Romanovsky 25462242cc25SLeon Romanovsky if (!udata) { 25472242cc25SLeon Romanovsky /* Kernel create_qp callers */ 25482242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 25492242cc25SLeon Romanovsky return -EOPNOTSUPP; 25502242cc25SLeon Romanovsky 25512242cc25SLeon Romanovsky switch (attr->qp_type) { 25522242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 25532242cc25SLeon Romanovsky case IB_QPT_DRIVER: 25542242cc25SLeon Romanovsky return -EOPNOTSUPP; 25552242cc25SLeon Romanovsky default: 25562242cc25SLeon Romanovsky return 0; 25572242cc25SLeon Romanovsky } 25582242cc25SLeon Romanovsky } 25592242cc25SLeon Romanovsky 25602242cc25SLeon Romanovsky /* Userspace create_qp callers */ 25612242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 25622242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25632242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 25642242cc25SLeon Romanovsky return -EINVAL; 25652242cc25SLeon Romanovsky } 25662242cc25SLeon Romanovsky 25672242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 25682242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25692242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 25702242cc25SLeon Romanovsky attr->qp_type); 25712242cc25SLeon Romanovsky return -EINVAL; 25722242cc25SLeon Romanovsky } 25732242cc25SLeon Romanovsky 25742242cc25SLeon Romanovsky /* 25752242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25762242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25772242cc25SLeon Romanovsky */ 25782242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25792242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25802242cc25SLeon Romanovsky return 0; 25812242cc25SLeon Romanovsky } 25822242cc25SLeon Romanovsky 258337518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 258437518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 258537518fa4SLeon Romanovsky { 258637518fa4SLeon Romanovsky if (!(*flags & flag)) 258737518fa4SLeon Romanovsky return; 258837518fa4SLeon Romanovsky 258937518fa4SLeon Romanovsky if (cond) { 259037518fa4SLeon Romanovsky qp->flags_en |= flag; 259137518fa4SLeon Romanovsky *flags &= ~flag; 259237518fa4SLeon Romanovsky return; 259337518fa4SLeon Romanovsky } 259437518fa4SLeon Romanovsky 259581530ab0SLeon Romanovsky switch (flag) { 259681530ab0SLeon Romanovsky case MLX5_QP_FLAG_SCATTER_CQE: 259781530ab0SLeon Romanovsky case MLX5_QP_FLAG_ALLOW_SCATTER_CQE: 259837518fa4SLeon Romanovsky /* 259981530ab0SLeon Romanovsky * We don't return error if these flags were provided, 260037518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 260137518fa4SLeon Romanovsky */ 260281530ab0SLeon Romanovsky *flags &= ~(MLX5_QP_FLAG_SCATTER_CQE | 260381530ab0SLeon Romanovsky MLX5_QP_FLAG_ALLOW_SCATTER_CQE); 260437518fa4SLeon Romanovsky return; 260581530ab0SLeon Romanovsky default: 260681530ab0SLeon Romanovsky break; 260737518fa4SLeon Romanovsky } 260837518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 260937518fa4SLeon Romanovsky } 261037518fa4SLeon Romanovsky 261137518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26125ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 26132fdddbd5SLeon Romanovsky { 261437518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 261537518fa4SLeon Romanovsky bool cond; 26165ce0592bSLeon Romanovsky int flags; 26175ce0592bSLeon Romanovsky 26185ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 26195ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 26205ce0592bSLeon Romanovsky else 26215ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 262237518fa4SLeon Romanovsky 262337518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 26242fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 26257aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 26262fdddbd5SLeon Romanovsky break; 26272fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 26287aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 262937518fa4SLeon Romanovsky break; 26307aede1a2SLeon Romanovsky default: 26317aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 26327aede1a2SLeon Romanovsky break; 26337aede1a2SLeon Romanovsky /* 26347aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 26357aede1a2SLeon Romanovsky * wrong subtype were provided. 26367aede1a2SLeon Romanovsky */ 263737518fa4SLeon Romanovsky return -EINVAL; 26387aede1a2SLeon Romanovsky } 263937518fa4SLeon Romanovsky 264037518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 264137518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 264237518fa4SLeon Romanovsky 264337518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 264437518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 264537518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 264681530ab0SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_ALLOW_SCATTER_CQE, 264781530ab0SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 264837518fa4SLeon Romanovsky 26497aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 265037518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 265137518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 265237518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 265337518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 265437518fa4SLeon Romanovsky cond, qp); 265537518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 265637518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 265737518fa4SLeon Romanovsky qp); 265837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 265937518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 266037518fa4SLeon Romanovsky qp); 266137518fa4SLeon Romanovsky } 266237518fa4SLeon Romanovsky 26637aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 266437518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 266537518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 266637518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 266737518fa4SLeon Romanovsky 266876883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 266976883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 267076883a6cSLeon Romanovsky 26715d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 26725d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 26735d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 26745d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 26755d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 26765d6fffedSLeon Romanovsky cond); 26775d6fffedSLeon Romanovsky return -EINVAL; 26785d6fffedSLeon Romanovsky } 26795d6fffedSLeon Romanovsky 268037518fa4SLeon Romanovsky if (flags) 268137518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 268237518fa4SLeon Romanovsky 268337518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 26842fdddbd5SLeon Romanovsky } 26852fdddbd5SLeon Romanovsky 26862978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 26872978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26882978975cSLeon Romanovsky { 26892978975cSLeon Romanovsky if (!(*flags & flag)) 26902978975cSLeon Romanovsky return; 26912978975cSLeon Romanovsky 26922978975cSLeon Romanovsky if (cond) { 26932978975cSLeon Romanovsky qp->flags |= flag; 26942978975cSLeon Romanovsky *flags &= ~flag; 26952978975cSLeon Romanovsky return; 26962978975cSLeon Romanovsky } 26972978975cSLeon Romanovsky 26982978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26992978975cSLeon Romanovsky /* 27002978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 27012978975cSLeon Romanovsky * just different in-kernel flow. 27022978975cSLeon Romanovsky */ 27032978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 27042978975cSLeon Romanovsky return; 27052978975cSLeon Romanovsky } 27062978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 27072978975cSLeon Romanovsky } 27082978975cSLeon Romanovsky 27092978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 27102978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 27112978975cSLeon Romanovsky { 27127aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 27132978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 27142978975cSLeon Romanovsky int create_flags = attr->create_flags; 27152978975cSLeon Romanovsky bool cond; 27162978975cSLeon Romanovsky 27177aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 27182978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 27192978975cSLeon Romanovsky 27202978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 27212978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 27222978975cSLeon Romanovsky 2723f81b4565SLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP, 2724f81b4565SLeon Romanovsky mlx5_get_flow_namespace(dev->mdev, 2725f81b4565SLeon Romanovsky MLX5_FLOW_NAMESPACE_BYPASS), 2726f81b4565SLeon Romanovsky qp); 27272978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27289e0dc7b9SMax Gurtovoy IB_QP_CREATE_INTEGRITY_EN, 27299e0dc7b9SMax Gurtovoy MLX5_CAP_GEN(mdev, sho), qp); 27309e0dc7b9SMax Gurtovoy process_create_flag(dev, &create_flags, 27312978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 27322978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 27332978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 27342978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27352978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 27362978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27372978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 27382978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27392978975cSLeon Romanovsky 27402978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 27412978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27422978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 27432978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 27442978975cSLeon Romanovsky qp); 27452978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 27462978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 27472978975cSLeon Romanovsky cond, qp); 27482978975cSLeon Romanovsky } 27492978975cSLeon Romanovsky 27502978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 27512978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 27522978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 27532978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27542978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 27552978975cSLeon Romanovsky 27562978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 27572978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 27582978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27592978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 27602978975cSLeon Romanovsky } 27612978975cSLeon Romanovsky 27622978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27632978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 27642978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 27652978975cSLeon Romanovsky 27662978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 27672978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 27682978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 27692978975cSLeon Romanovsky true, qp); 27702978975cSLeon Romanovsky 27711f11a761SJason Gunthorpe if (create_flags) { 27722978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 27732978975cSLeon Romanovsky create_flags); 27741f11a761SJason Gunthorpe return -EOPNOTSUPP; 27751f11a761SJason Gunthorpe } 27761f11a761SJason Gunthorpe return 0; 27772978975cSLeon Romanovsky } 27782978975cSLeon Romanovsky 27796f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 27806f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 27812fdddbd5SLeon Romanovsky { 27822fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27836f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 27846f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 27855ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 27862fdddbd5SLeon Romanovsky 27876f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 2788e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27896f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 2790e383085cSLeon Romanovsky /* User has old rdma-core, which doesn't support ECE */ 2791e383085cSLeon Romanovsky size_t min_inlen = 2792e383085cSLeon Romanovsky offsetof(struct mlx5_ib_create_qp, ece_options); 2793e383085cSLeon Romanovsky 2794e383085cSLeon Romanovsky /* 2795e383085cSLeon Romanovsky * We will check in check_ucmd_data() that user 2796e383085cSLeon Romanovsky * cleared everything after inlen. 2797e383085cSLeon Romanovsky */ 2798e383085cSLeon Romanovsky params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); 27996f2cf76eSLeon Romanovsky goto out; 28006f2cf76eSLeon Romanovsky } 28015ce0592bSLeon Romanovsky 28026f2cf76eSLeon Romanovsky /* RSS RAW QP */ 28035ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 28046f2cf76eSLeon Romanovsky return -EINVAL; 28056f2cf76eSLeon Romanovsky 28066f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 28076f2cf76eSLeon Romanovsky return -EINVAL; 28085ce0592bSLeon Romanovsky 28095ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 2810e383085cSLeon Romanovsky params->ucmd_size = ucmd; 28115ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 28126f2cf76eSLeon Romanovsky return -EINVAL; 28135ce0592bSLeon Romanovsky 28146f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 28156f2cf76eSLeon Romanovsky out: 28166f2cf76eSLeon Romanovsky if (!params->inlen) 2817e383085cSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small\n"); 28186f2cf76eSLeon Romanovsky 28196f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 28202fdddbd5SLeon Romanovsky } 28212fdddbd5SLeon Romanovsky 2822968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2823f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2824f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 28255d0dc3d9SLeon Romanovsky { 2826968f0b6fSLeon Romanovsky int err; 28275d0dc3d9SLeon Romanovsky 2828968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 2829968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 2830968f0b6fSLeon Romanovsky goto out; 2831968f0b6fSLeon Romanovsky } 2832968f0b6fSLeon Romanovsky 28332dc4d672SLeon Romanovsky switch (qp->type) { 28342dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 2835a645a89dSLeon Romanovsky err = create_dct(dev, pd, qp, params); 28362dc4d672SLeon Romanovsky break; 28372dc4d672SLeon Romanovsky case IB_QPT_XRC_TGT: 2838968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 28392dc4d672SLeon Romanovsky break; 28402dc4d672SLeon Romanovsky case IB_QPT_GSI: 28412dc4d672SLeon Romanovsky err = mlx5_ib_create_gsi(pd, qp, params->attr); 28422dc4d672SLeon Romanovsky break; 28432dc4d672SLeon Romanovsky default: 2844968f0b6fSLeon Romanovsky if (params->udata) 2845968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 2846968f0b6fSLeon Romanovsky else 2847968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 28482dc4d672SLeon Romanovsky } 2849968f0b6fSLeon Romanovsky 2850968f0b6fSLeon Romanovsky out: 2851968f0b6fSLeon Romanovsky if (err) { 2852968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 2853968f0b6fSLeon Romanovsky return err; 2854968f0b6fSLeon Romanovsky } 2855968f0b6fSLeon Romanovsky 2856968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 2857968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 2858968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 2859968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 2860968f0b6fSLeon Romanovsky else 2861968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2862968f0b6fSLeon Romanovsky 2863968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 28643e09a427SLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", 2865968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2866968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 2867968f0b6fSLeon Romanovsky -1, 2868968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 28693e09a427SLeon Romanovsky -1, 28703e09a427SLeon Romanovsky params->resp.ece_options); 2871968f0b6fSLeon Romanovsky 2872968f0b6fSLeon Romanovsky return 0; 28735d0dc3d9SLeon Romanovsky } 28745d0dc3d9SLeon Romanovsky 28757aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 28767aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 28777aede1a2SLeon Romanovsky { 28787aede1a2SLeon Romanovsky int ret = 0; 28797aede1a2SLeon Romanovsky 28807aede1a2SLeon Romanovsky switch (qp->type) { 28817aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 28827aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 28837aede1a2SLeon Romanovsky break; 28847aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 28857aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 28867aede1a2SLeon Romanovsky -EINVAL : 28877aede1a2SLeon Romanovsky 0; 28887aede1a2SLeon Romanovsky break; 2889266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 2890266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 2891266424ebSLeon Romanovsky break; 28927aede1a2SLeon Romanovsky default: 28937aede1a2SLeon Romanovsky break; 28947aede1a2SLeon Romanovsky } 28957aede1a2SLeon Romanovsky 28967aede1a2SLeon Romanovsky if (ret) 28977aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 28987aede1a2SLeon Romanovsky 28997aede1a2SLeon Romanovsky return ret; 29007aede1a2SLeon Romanovsky } 29017aede1a2SLeon Romanovsky 2902f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 2903f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 290421aad80bSLeon Romanovsky { 2905f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2906f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 290721aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 290821aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 290921aad80bSLeon Romanovsky 2910f78d358cSLeon Romanovsky if (params->is_rss_raw) 291121aad80bSLeon Romanovsky return 0; 291221aad80bSLeon Romanovsky 2913f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 291421aad80bSLeon Romanovsky } 291521aad80bSLeon Romanovsky 291608d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 291708d53976SLeon Romanovsky { 291808d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 291908d53976SLeon Romanovsky 292008d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 292108d53976SLeon Romanovsky int err; 292208d53976SLeon Romanovsky 292308d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 292408d53976SLeon Romanovsky if (err) { 292508d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 292608d53976SLeon Romanovsky return err; 292708d53976SLeon Romanovsky } 292808d53976SLeon Romanovsky } 292908d53976SLeon Romanovsky 293008d53976SLeon Romanovsky kfree(mqp->dct.in); 293108d53976SLeon Romanovsky kfree(mqp); 293208d53976SLeon Romanovsky return 0; 293308d53976SLeon Romanovsky } 293408d53976SLeon Romanovsky 2935e383085cSLeon Romanovsky static int check_ucmd_data(struct mlx5_ib_dev *dev, 2936e383085cSLeon Romanovsky struct mlx5_create_qp_params *params) 2937e383085cSLeon Romanovsky { 2938e383085cSLeon Romanovsky struct ib_udata *udata = params->udata; 2939e383085cSLeon Romanovsky size_t size, last; 2940e383085cSLeon Romanovsky int ret; 2941e383085cSLeon Romanovsky 2942e383085cSLeon Romanovsky if (params->is_rss_raw) 2943e383085cSLeon Romanovsky /* 2944e383085cSLeon Romanovsky * These QPs don't have "reserved" field in their 2945e383085cSLeon Romanovsky * create_qp input struct, so their data is always valid. 2946e383085cSLeon Romanovsky */ 2947e383085cSLeon Romanovsky last = sizeof(struct mlx5_ib_create_qp_rss); 2948e383085cSLeon Romanovsky else 2949e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, reserved); 2950e383085cSLeon Romanovsky 2951e383085cSLeon Romanovsky if (udata->inlen <= last) 2952e383085cSLeon Romanovsky return 0; 2953e383085cSLeon Romanovsky 2954e383085cSLeon Romanovsky /* 2955e383085cSLeon Romanovsky * User provides different create_qp structures based on the 2956e383085cSLeon Romanovsky * flow and we need to know if he cleared memory after our 2957e383085cSLeon Romanovsky * struct create_qp ends. 2958e383085cSLeon Romanovsky */ 2959e383085cSLeon Romanovsky size = udata->inlen - last; 2960e383085cSLeon Romanovsky ret = ib_is_udata_cleared(params->udata, last, size); 2961e383085cSLeon Romanovsky if (!ret) 2962e383085cSLeon Romanovsky mlx5_ib_dbg( 2963e383085cSLeon Romanovsky dev, 29644f5747cfSTom Seewald "udata is not cleared, inlen = %zu, ucmd = %zu, last = %zu, size = %zu\n", 2965e383085cSLeon Romanovsky udata->inlen, params->ucmd_size, last, size); 2966e383085cSLeon Romanovsky return ret ? 0 : -EINVAL; 2967e383085cSLeon Romanovsky } 2968e383085cSLeon Romanovsky 2969f78d358cSLeon Romanovsky struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attr, 2970e126ba97SEli Cohen struct ib_udata *udata) 2971e126ba97SEli Cohen { 2972f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 2973e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2974e126ba97SEli Cohen struct mlx5_ib_qp *qp; 29757aede1a2SLeon Romanovsky enum ib_qp_type type; 2976e126ba97SEli Cohen int err; 2977e126ba97SEli Cohen 29786eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 2979f78d358cSLeon Romanovsky to_mdev(to_mxrcd(attr->xrcd)->ibxrcd.device); 29800fb2ed66Smajd@mellanox.com 2981f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 29822242cc25SLeon Romanovsky if (err) 29832242cc25SLeon Romanovsky return ERR_PTR(err); 2984e126ba97SEli Cohen 2985f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 2986f78d358cSLeon Romanovsky if (err) 2987f78d358cSLeon Romanovsky return ERR_PTR(err); 2988f78d358cSLeon Romanovsky 2989f78d358cSLeon Romanovsky params.udata = udata; 2990f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 2991f78d358cSLeon Romanovsky params.attr = attr; 2992f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 29939c2ba4edSLeon Romanovsky 29945ce0592bSLeon Romanovsky if (udata) { 29956f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 29966f2cf76eSLeon Romanovsky if (err) 29976f2cf76eSLeon Romanovsky return ERR_PTR(err); 29982fdddbd5SLeon Romanovsky 2999e383085cSLeon Romanovsky err = check_ucmd_data(dev, ¶ms); 3000e383085cSLeon Romanovsky if (err) 3001e383085cSLeon Romanovsky return ERR_PTR(err); 3002e383085cSLeon Romanovsky 3003e383085cSLeon Romanovsky params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); 3004f78d358cSLeon Romanovsky if (!params.ucmd) 30055ce0592bSLeon Romanovsky return ERR_PTR(-ENOMEM); 30065ce0592bSLeon Romanovsky 3007f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 30082fdddbd5SLeon Romanovsky if (err) 30095ce0592bSLeon Romanovsky goto free_ucmd; 30102fdddbd5SLeon Romanovsky } 30112fdddbd5SLeon Romanovsky 30129c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 30135ce0592bSLeon Romanovsky if (!qp) { 30145ce0592bSLeon Romanovsky err = -ENOMEM; 30155ce0592bSLeon Romanovsky goto free_ucmd; 30165ce0592bSLeon Romanovsky } 30179c2ba4edSLeon Romanovsky 30187fa84b57SLeon Romanovsky mutex_init(&qp->mutex); 30197aede1a2SLeon Romanovsky qp->type = type; 302037518fa4SLeon Romanovsky if (udata) { 3021f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 3022b4aaa1f0SMoni Shoua if (err) 30239c2ba4edSLeon Romanovsky goto free_qp; 302421aad80bSLeon Romanovsky 3025f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 302621aad80bSLeon Romanovsky if (err) 302721aad80bSLeon Romanovsky goto free_qp; 3028b4aaa1f0SMoni Shoua } 3029f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 30302978975cSLeon Romanovsky if (err) 30312978975cSLeon Romanovsky goto free_qp; 3032b4aaa1f0SMoni Shoua 3033f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 30347aede1a2SLeon Romanovsky if (err) 30357aede1a2SLeon Romanovsky goto free_qp; 30367aede1a2SLeon Romanovsky 3037968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 3038968f0b6fSLeon Romanovsky if (err) 30399c2ba4edSLeon Romanovsky goto free_qp; 3040e126ba97SEli Cohen 3041f78d358cSLeon Romanovsky kfree(params.ucmd); 304208d53976SLeon Romanovsky params.ucmd = NULL; 30435ce0592bSLeon Romanovsky 304408d53976SLeon Romanovsky if (udata) 304508d53976SLeon Romanovsky /* 304608d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 304708d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 304808d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 304908d53976SLeon Romanovsky */ 305008d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 305108d53976SLeon Romanovsky if (err) 305208d53976SLeon Romanovsky goto destroy_qp; 305308d53976SLeon Romanovsky 3054e126ba97SEli Cohen return &qp->ibqp; 30559c2ba4edSLeon Romanovsky 305608d53976SLeon Romanovsky destroy_qp: 30572dc4d672SLeon Romanovsky switch (qp->type) { 30582dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 305908d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 30602dc4d672SLeon Romanovsky break; 30612dc4d672SLeon Romanovsky case IB_QPT_GSI: 30622dc4d672SLeon Romanovsky mlx5_ib_destroy_gsi(qp); 30632dc4d672SLeon Romanovsky break; 30642dc4d672SLeon Romanovsky default: 30656c41965dSLeon Romanovsky /* 30660a037150SLeon Romanovsky * These lines below are temp solution till QP allocation 30676c41965dSLeon Romanovsky * will be moved to be under IB/core responsiblity. 30686c41965dSLeon Romanovsky */ 30696c41965dSLeon Romanovsky qp->ibqp.send_cq = attr->send_cq; 30706c41965dSLeon Romanovsky qp->ibqp.recv_cq = attr->recv_cq; 30710a037150SLeon Romanovsky qp->ibqp.pd = pd; 307208d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 30736c41965dSLeon Romanovsky } 30746c41965dSLeon Romanovsky 307508d53976SLeon Romanovsky qp = NULL; 30769c2ba4edSLeon Romanovsky free_qp: 30779c2ba4edSLeon Romanovsky kfree(qp); 30785ce0592bSLeon Romanovsky free_ucmd: 3079f78d358cSLeon Romanovsky kfree(params.ucmd); 30809c2ba4edSLeon Romanovsky return ERR_PTR(err); 3081e126ba97SEli Cohen } 3082e126ba97SEli Cohen 3083c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 3084e126ba97SEli Cohen { 3085e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 3086e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 3087e126ba97SEli Cohen 3088d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 30890d9aef86SLeon Romanovsky return mlx5_ib_destroy_gsi(mqp); 3090d16e91daSHaggai Eran 30917aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 3092776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 3093776a3906SMoni Shoua 3094bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 3095e126ba97SEli Cohen 3096e126ba97SEli Cohen kfree(mqp); 3097e126ba97SEli Cohen 3098e126ba97SEli Cohen return 0; 3099e126ba97SEli Cohen } 3100e126ba97SEli Cohen 3101f18e26afSLeon Romanovsky static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, 3102f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, int attr_mask, 3103f18e26afSLeon Romanovsky void *qpc) 3104e126ba97SEli Cohen { 3105a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 3106f18e26afSLeon Romanovsky u8 dest_rd_atomic; 3107f18e26afSLeon Romanovsky u32 access_flags; 3108a60109dcSYonatan Cohen 3109e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 3110e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 3111e126ba97SEli Cohen else 311219098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 3113e126ba97SEli Cohen 3114e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 3115e126ba97SEli Cohen access_flags = attr->qp_access_flags; 3116e126ba97SEli Cohen else 311719098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 3118e126ba97SEli Cohen 3119e126ba97SEli Cohen if (!dest_rd_atomic) 3120e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 3121e126ba97SEli Cohen 3122f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); 3123f18e26afSLeon Romanovsky 312413f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3125a60109dcSYonatan Cohen int atomic_mode; 3126e126ba97SEli Cohen 3127a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 3128a60109dcSYonatan Cohen if (atomic_mode < 0) 3129a60109dcSYonatan Cohen return -EOPNOTSUPP; 3130a60109dcSYonatan Cohen 3131f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rae, 1); 3132f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); 3133a60109dcSYonatan Cohen } 3134a60109dcSYonatan Cohen 3135f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); 3136a60109dcSYonatan Cohen return 0; 3137e126ba97SEli Cohen } 3138e126ba97SEli Cohen 3139e126ba97SEli Cohen enum { 3140e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3141e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3142e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3143e126ba97SEli Cohen }; 3144e126ba97SEli Cohen 31456fe6e568SMark Zhang static int mlx5_to_ib_rate_map(u8 rate) 31466fe6e568SMark Zhang { 31476fe6e568SMark Zhang static const int rates[] = { IB_RATE_PORT_CURRENT, IB_RATE_56_GBPS, 31486fe6e568SMark Zhang IB_RATE_25_GBPS, IB_RATE_100_GBPS, 31496fe6e568SMark Zhang IB_RATE_200_GBPS, IB_RATE_50_GBPS, 31506fe6e568SMark Zhang IB_RATE_400_GBPS }; 31516fe6e568SMark Zhang 31526fe6e568SMark Zhang if (rate < ARRAY_SIZE(rates)) 31536fe6e568SMark Zhang return rates[rate]; 31546fe6e568SMark Zhang 31556fe6e568SMark Zhang return rate - MLX5_STAT_RATE_OFFSET; 31566fe6e568SMark Zhang } 31576fe6e568SMark Zhang 3158c531024bSMark Zhang static int ib_to_mlx5_rate_map(u8 rate) 3159c531024bSMark Zhang { 3160c531024bSMark Zhang switch (rate) { 3161c531024bSMark Zhang case IB_RATE_PORT_CURRENT: 3162c531024bSMark Zhang return 0; 3163c531024bSMark Zhang case IB_RATE_56_GBPS: 3164c531024bSMark Zhang return 1; 3165c531024bSMark Zhang case IB_RATE_25_GBPS: 3166c531024bSMark Zhang return 2; 3167c531024bSMark Zhang case IB_RATE_100_GBPS: 3168c531024bSMark Zhang return 3; 3169c531024bSMark Zhang case IB_RATE_200_GBPS: 3170c531024bSMark Zhang return 4; 3171c531024bSMark Zhang case IB_RATE_50_GBPS: 3172c531024bSMark Zhang return 5; 3173c70f51deSPatrisious Haddad case IB_RATE_400_GBPS: 3174c70f51deSPatrisious Haddad return 6; 3175c531024bSMark Zhang default: 3176c531024bSMark Zhang return rate + MLX5_STAT_RATE_OFFSET; 31777f1d2dfaSTom Rix } 3178c531024bSMark Zhang 3179c531024bSMark Zhang return 0; 3180c531024bSMark Zhang } 3181c531024bSMark Zhang 3182e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3183e126ba97SEli Cohen { 3184c531024bSMark Zhang u32 stat_rate_support; 3185c531024bSMark Zhang 31864f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3187e126ba97SEli Cohen return 0; 31884f32ac2eSDanit Goldberg 3189a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3190e126ba97SEli Cohen return -EINVAL; 31914f32ac2eSDanit Goldberg 3192c531024bSMark Zhang stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); 31934f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3194c531024bSMark Zhang !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) 3195e126ba97SEli Cohen --rate; 3196e126ba97SEli Cohen 3197c531024bSMark Zhang return ib_to_mlx5_rate_map(rate); 3198e126ba97SEli Cohen } 3199e126ba97SEli Cohen 320075850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 32011cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 32021cd6dbd3SYishai Hadas struct ib_pd *pd) 320375850d0bSmajd@mellanox.com { 320475850d0bSmajd@mellanox.com void *in; 320575850d0bSmajd@mellanox.com void *tisc; 320675850d0bSmajd@mellanox.com int inlen; 320775850d0bSmajd@mellanox.com int err; 320875850d0bSmajd@mellanox.com 320975850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 32101b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 321175850d0bSmajd@mellanox.com if (!in) 321275850d0bSmajd@mellanox.com return -ENOMEM; 321375850d0bSmajd@mellanox.com 321475850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 32151cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 321675850d0bSmajd@mellanox.com 321775850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 321875850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 321975850d0bSmajd@mellanox.com 3220e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 322175850d0bSmajd@mellanox.com 322275850d0bSmajd@mellanox.com kvfree(in); 322375850d0bSmajd@mellanox.com 322475850d0bSmajd@mellanox.com return err; 322575850d0bSmajd@mellanox.com } 322675850d0bSmajd@mellanox.com 322713eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 32281cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 32291cd6dbd3SYishai Hadas struct ib_pd *pd) 323013eab21fSAviv Heller { 323113eab21fSAviv Heller void *in; 323213eab21fSAviv Heller void *tisc; 323313eab21fSAviv Heller int inlen; 323413eab21fSAviv Heller int err; 323513eab21fSAviv Heller 323613eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 32371b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 323813eab21fSAviv Heller if (!in) 323913eab21fSAviv Heller return -ENOMEM; 324013eab21fSAviv Heller 324113eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 32421cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 324313eab21fSAviv Heller 324413eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 324513eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 324613eab21fSAviv Heller 3247e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 324813eab21fSAviv Heller 324913eab21fSAviv Heller kvfree(in); 325013eab21fSAviv Heller 325113eab21fSAviv Heller return err; 325213eab21fSAviv Heller } 325313eab21fSAviv Heller 3254f18e26afSLeon Romanovsky static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, 32552b880b2eSMark Zhang u32 lqpn, u32 rqpn) 32562b880b2eSMark Zhang 32572b880b2eSMark Zhang { 32582b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 32592b880b2eSMark Zhang 32602b880b2eSMark Zhang if (!fl) 32612b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 32622b880b2eSMark Zhang 3263f18e26afSLeon Romanovsky MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); 32642b880b2eSMark Zhang } 32652b880b2eSMark Zhang 326675850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 3267f18e26afSLeon Romanovsky const struct rdma_ah_attr *ah, void *path, u8 port, 3268f18e26afSLeon Romanovsky int attr_mask, u32 path_flags, 3269f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, bool alt) 3270e126ba97SEli Cohen { 3271d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3272e126ba97SEli Cohen int err; 3273ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3274d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3275d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3276e126ba97SEli Cohen 3277e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3278f18e26afSLeon Romanovsky MLX5_SET(ads, path, pkey_index, 3279f18e26afSLeon Romanovsky alt ? attr->alt_pkey_index : attr->pkey_index); 3280e126ba97SEli Cohen 3281d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 32827416790eSParav Pandit const struct ib_port_immutable *immutable; 32837416790eSParav Pandit 32847416790eSParav Pandit immutable = ib_port_immutable_read(&dev->ib_dev, port); 32857416790eSParav Pandit if (grh->sgid_index >= immutable->gid_tbl_len) { 3286f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3287d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 32887416790eSParav Pandit immutable->gid_tbl_len); 3289f83b4263SEli Cohen return -EINVAL; 3290f83b4263SEli Cohen } 32912811ba51SAchiad Shochat } 329244c58487SDasaratharaman Chandramouli 329344c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3294d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 32952811ba51SAchiad Shochat return -EINVAL; 329647ec3866SParav Pandit 3297f18e26afSLeon Romanovsky ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), 3298f18e26afSLeon Romanovsky ah->roce.dmac); 32992b880b2eSMark Zhang if ((qp->ibqp.qp_type == IB_QPT_RC || 33002b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 33012b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 33022b880b2eSMark Zhang qp->ibqp.qp_type == IB_QPT_XRC_TGT) && 33032b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 33042b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 33052b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 33062b880b2eSMark Zhang qp->ibqp.qp_num, 33072b880b2eSMark Zhang attr->dest_qp_num); 3308f18e26afSLeon Romanovsky MLX5_SET(ads, path, eth_prio, sl & 0x7); 330947ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3310ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3311f18e26afSLeon Romanovsky MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); 33122811ba51SAchiad Shochat } else { 3313f18e26afSLeon Romanovsky MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); 3314f18e26afSLeon Romanovsky MLX5_SET(ads, path, free_ar, 3315f18e26afSLeon Romanovsky !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); 3316f18e26afSLeon Romanovsky MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); 3317f18e26afSLeon Romanovsky MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); 3318f18e26afSLeon Romanovsky MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); 3319f18e26afSLeon Romanovsky MLX5_SET(ads, path, sl, sl); 33202811ba51SAchiad Shochat } 33212811ba51SAchiad Shochat 3322d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3323f18e26afSLeon Romanovsky MLX5_SET(ads, path, src_addr_index, grh->sgid_index); 3324f18e26afSLeon Romanovsky MLX5_SET(ads, path, hop_limit, grh->hop_limit); 3325f18e26afSLeon Romanovsky MLX5_SET(ads, path, tclass, grh->traffic_class); 3326f18e26afSLeon Romanovsky MLX5_SET(ads, path, flow_label, grh->flow_label); 3327f18e26afSLeon Romanovsky memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, 3328f18e26afSLeon Romanovsky sizeof(grh->dgid.raw)); 3329e126ba97SEli Cohen } 3330e126ba97SEli Cohen 3331d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3332e126ba97SEli Cohen if (err < 0) 3333e126ba97SEli Cohen return err; 3334f18e26afSLeon Romanovsky MLX5_SET(ads, path, stat_rate, err); 3335f18e26afSLeon Romanovsky MLX5_SET(ads, path, vhca_port_num, port); 3336e126ba97SEli Cohen 3337e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3338f18e26afSLeon Romanovsky MLX5_SET(ads, path, ack_timeout, 3339f18e26afSLeon Romanovsky alt ? attr->alt_timeout : attr->timeout); 3340e126ba97SEli Cohen 334175850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 334275850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 334375850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 33441cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 334575850d0bSmajd@mellanox.com 3346e126ba97SEli Cohen return 0; 3347e126ba97SEli Cohen } 3348e126ba97SEli Cohen 3349e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3350e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3351e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3352e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3353e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3354e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3355e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3356cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3357cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3358e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3359e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3360cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3361cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3362e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3363e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3364e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 33658f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 33668f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33678f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33688f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3369cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3370cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3371e126ba97SEli Cohen }, 3372e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3373e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3374e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3375e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3376e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3377cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3378cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3379e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3380e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3381cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3382cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3383e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3384e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3385e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3386e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3387a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3388a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3389a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3390a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3391cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3392cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3393e126ba97SEli Cohen }, 3394e126ba97SEli Cohen }, 3395e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3396e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3397e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3398e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3399e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3400e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3401e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3402e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3403e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3404e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3405e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3406e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 34078f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 34088f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 34098f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34108f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34118f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 34128f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3413e126ba97SEli Cohen }, 3414e126ba97SEli Cohen }, 3415e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3416e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3417e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3418e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3419e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3420e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3421c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3422c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3423e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3424c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3425c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3426e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3427e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3428e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 34298f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 34308f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34318f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34328f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 34338f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 34348f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3435e126ba97SEli Cohen }, 3436e126ba97SEli Cohen }, 3437e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3438e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3439e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3440e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 344175959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3442a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3443a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3444a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3445a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 34468f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 34478f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34488f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34498f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3450e126ba97SEli Cohen }, 3451e126ba97SEli Cohen }, 3452e126ba97SEli Cohen }; 3453e126ba97SEli Cohen 3454e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3455e126ba97SEli Cohen { 3456e126ba97SEli Cohen switch (ib_mask) { 3457e126ba97SEli Cohen case IB_QP_STATE: 3458e126ba97SEli Cohen return 0; 3459e126ba97SEli Cohen case IB_QP_CUR_STATE: 3460e126ba97SEli Cohen return 0; 3461e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3462e126ba97SEli Cohen return 0; 3463e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3464e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3465e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3466e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3467e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3468e126ba97SEli Cohen case IB_QP_PORT: 3469e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3470e126ba97SEli Cohen case IB_QP_QKEY: 3471e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3472e126ba97SEli Cohen case IB_QP_AV: 3473e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3474e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3475e126ba97SEli Cohen case IB_QP_PATH_MTU: 3476e126ba97SEli Cohen return 0; 3477e126ba97SEli Cohen case IB_QP_TIMEOUT: 3478e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3479e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3480e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3481e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3482e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3483e126ba97SEli Cohen case IB_QP_RQ_PSN: 3484e126ba97SEli Cohen return 0; 3485e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3486e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3487e126ba97SEli Cohen case IB_QP_ALT_PATH: 3488e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3489e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3490e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3491e126ba97SEli Cohen case IB_QP_SQ_PSN: 3492e126ba97SEli Cohen return 0; 3493e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3494e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3495e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3496e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3497e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3498e126ba97SEli Cohen case IB_QP_CAP: 3499e126ba97SEli Cohen return 0; 3500e126ba97SEli Cohen case IB_QP_DEST_QPN: 3501e126ba97SEli Cohen return 0; 3502e126ba97SEli Cohen } 3503e126ba97SEli Cohen return 0; 3504e126ba97SEli Cohen } 3505e126ba97SEli Cohen 3506e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3507e126ba97SEli Cohen { 3508e126ba97SEli Cohen int result = 0; 3509e126ba97SEli Cohen int i; 3510e126ba97SEli Cohen 3511e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3512e126ba97SEli Cohen if ((1 << i) & ib_mask) 3513e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3514e126ba97SEli Cohen } 3515e126ba97SEli Cohen 3516e126ba97SEli Cohen return result; 3517e126ba97SEli Cohen } 3518e126ba97SEli Cohen 351934d57585SYishai Hadas static int modify_raw_packet_qp_rq( 352034d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 352134d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3522ad5f8e96Smajd@mellanox.com { 3523ad5f8e96Smajd@mellanox.com void *in; 3524ad5f8e96Smajd@mellanox.com void *rqc; 3525ad5f8e96Smajd@mellanox.com int inlen; 3526ad5f8e96Smajd@mellanox.com int err; 3527ad5f8e96Smajd@mellanox.com 3528ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 35291b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3530ad5f8e96Smajd@mellanox.com if (!in) 3531ad5f8e96Smajd@mellanox.com return -ENOMEM; 3532ad5f8e96Smajd@mellanox.com 3533ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 353434d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3535ad5f8e96Smajd@mellanox.com 3536ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3537ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3538ad5f8e96Smajd@mellanox.com 3539eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3540eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3541eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 354223a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3543eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3544eb49ab0cSAlex Vesker } else 35455a738b5dSJason Gunthorpe dev_info_once( 35465a738b5dSJason Gunthorpe &dev->ib_dev.dev, 35475a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3548eb49ab0cSAlex Vesker } 3549eb49ab0cSAlex Vesker 3550e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3551ad5f8e96Smajd@mellanox.com if (err) 3552ad5f8e96Smajd@mellanox.com goto out; 3553ad5f8e96Smajd@mellanox.com 3554ad5f8e96Smajd@mellanox.com rq->state = new_state; 3555ad5f8e96Smajd@mellanox.com 3556ad5f8e96Smajd@mellanox.com out: 3557ad5f8e96Smajd@mellanox.com kvfree(in); 3558ad5f8e96Smajd@mellanox.com return err; 3559ad5f8e96Smajd@mellanox.com } 3560ad5f8e96Smajd@mellanox.com 3561c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3562c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3563c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3564ad5f8e96Smajd@mellanox.com { 35657d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 356661147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 356761147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 356861147f39SBodong Wang bool new_rate_added = false; 35697d29f349SBodong Wang u16 rl_index = 0; 3570ad5f8e96Smajd@mellanox.com void *in; 3571ad5f8e96Smajd@mellanox.com void *sqc; 3572ad5f8e96Smajd@mellanox.com int inlen; 3573ad5f8e96Smajd@mellanox.com int err; 3574ad5f8e96Smajd@mellanox.com 3575ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 35761b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3577ad5f8e96Smajd@mellanox.com if (!in) 3578ad5f8e96Smajd@mellanox.com return -ENOMEM; 3579ad5f8e96Smajd@mellanox.com 3580c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3581ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3582ad5f8e96Smajd@mellanox.com 3583ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3584ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3585ad5f8e96Smajd@mellanox.com 35867d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 35877d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 35887d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 35897d29f349SBodong Wang __func__); 35907d29f349SBodong Wang else 359161147f39SBodong Wang new_rl = raw_qp_param->rl; 35927d29f349SBodong Wang } 3593ad5f8e96Smajd@mellanox.com 359461147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 359561147f39SBodong Wang if (new_rl.rate) { 359661147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 35977d29f349SBodong Wang if (err) { 359861147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 359961147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 360061147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 360161147f39SBodong Wang new_rl.typical_pkt_sz); 360261147f39SBodong Wang 36037d29f349SBodong Wang goto out; 36047d29f349SBodong Wang } 360561147f39SBodong Wang new_rate_added = true; 36067d29f349SBodong Wang } 36077d29f349SBodong Wang 36087d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 360961147f39SBodong Wang /* index 0 means no limit */ 36107d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 36117d29f349SBodong Wang } 36127d29f349SBodong Wang 3613e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 36147d29f349SBodong Wang if (err) { 36157d29f349SBodong Wang /* Remove new rate from table if failed */ 361661147f39SBodong Wang if (new_rate_added) 361761147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 36187d29f349SBodong Wang goto out; 36197d29f349SBodong Wang } 36207d29f349SBodong Wang 36217d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3622c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3623c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 362461147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3625c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3626c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3627c8973df2SRafi Wiener } 36287d29f349SBodong Wang 362961147f39SBodong Wang ibqp->rl = new_rl; 3630ad5f8e96Smajd@mellanox.com sq->state = new_state; 3631ad5f8e96Smajd@mellanox.com 3632ad5f8e96Smajd@mellanox.com out: 3633ad5f8e96Smajd@mellanox.com kvfree(in); 3634ad5f8e96Smajd@mellanox.com return err; 3635ad5f8e96Smajd@mellanox.com } 3636ad5f8e96Smajd@mellanox.com 3637ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 363813eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 363913eab21fSAviv Heller u8 tx_affinity) 3640ad5f8e96Smajd@mellanox.com { 3641ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3642ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3643ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 36447d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 36457d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3646ad5f8e96Smajd@mellanox.com int rq_state; 3647ad5f8e96Smajd@mellanox.com int sq_state; 3648ad5f8e96Smajd@mellanox.com int err; 3649ad5f8e96Smajd@mellanox.com 36500680efa2SAlex Vesker switch (raw_qp_param->operation) { 3651ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3652ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3653c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RST; 3654ad5f8e96Smajd@mellanox.com break; 3655ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3656ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3657ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3658ad5f8e96Smajd@mellanox.com break; 3659ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3660ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3661ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3662ad5f8e96Smajd@mellanox.com break; 3663ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3664ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 3665c94e272bSMaor Gottlieb if (raw_qp_param->set_mask & ~MLX5_RAW_QP_RATE_LIMIT) 3666c94e272bSMaor Gottlieb return -EINVAL; 3667c94e272bSMaor Gottlieb 36687d29f349SBodong Wang modify_rq = 0; 3669c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RDY; 36707d29f349SBodong Wang break; 36717d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 36727d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3673eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3674eb49ab0cSAlex Vesker return -EINVAL; 3675eb49ab0cSAlex Vesker else 3676ad5f8e96Smajd@mellanox.com return 0; 3677ad5f8e96Smajd@mellanox.com default: 3678ad5f8e96Smajd@mellanox.com WARN_ON(1); 3679ad5f8e96Smajd@mellanox.com return -EINVAL; 3680ad5f8e96Smajd@mellanox.com } 3681ad5f8e96Smajd@mellanox.com 36827d29f349SBodong Wang if (modify_rq) { 368334d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 368434d57585SYishai Hadas qp->ibqp.pd); 3685ad5f8e96Smajd@mellanox.com if (err) 3686ad5f8e96Smajd@mellanox.com return err; 3687ad5f8e96Smajd@mellanox.com } 3688ad5f8e96Smajd@mellanox.com 36897d29f349SBodong Wang if (modify_sq) { 3690d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3691d5ed8ac3SMark Bloch 369213eab21fSAviv Heller if (tx_affinity) { 369313eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 36941cd6dbd3SYishai Hadas tx_affinity, 36951cd6dbd3SYishai Hadas qp->ibqp.pd); 369613eab21fSAviv Heller if (err) 369713eab21fSAviv Heller return err; 369813eab21fSAviv Heller } 369913eab21fSAviv Heller 3700d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3701d5ed8ac3SMark Bloch raw_qp_param->port); 3702d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 37031db86318SColin Ian King return PTR_ERR(flow_rule); 3704d5ed8ac3SMark Bloch 3705d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3706c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3707d5ed8ac3SMark Bloch if (err) { 3708d5ed8ac3SMark Bloch if (flow_rule) 3709d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3710d5ed8ac3SMark Bloch return err; 3711d5ed8ac3SMark Bloch } 3712d5ed8ac3SMark Bloch 3713d5ed8ac3SMark Bloch if (flow_rule) { 3714d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3715d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3716d5ed8ac3SMark Bloch } 3717d5ed8ac3SMark Bloch 3718d5ed8ac3SMark Bloch return err; 371913eab21fSAviv Heller } 3720ad5f8e96Smajd@mellanox.com 3721ad5f8e96Smajd@mellanox.com return 0; 3722ad5f8e96Smajd@mellanox.com } 3723ad5f8e96Smajd@mellanox.com 37245163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 37255163b274SMaor Gottlieb struct ib_udata *udata) 3726c6a21c38SMajd Dibbiny { 372789944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 372889944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 37295163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 37305163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3731c6a21c38SMajd Dibbiny 37325163b274SMaor Gottlieb if (ucontext) 37335163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 37345163b274SMaor Gottlieb else 37355163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 37365163b274SMaor Gottlieb 37375163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 37385163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3739c6a21c38SMajd Dibbiny } 3740c6a21c38SMajd Dibbiny 37418f3243a0SMark Zhang static bool qp_supports_affinity(struct mlx5_ib_qp *qp) 37425163b274SMaor Gottlieb { 37438f3243a0SMark Zhang if ((qp->type == IB_QPT_RC) || (qp->type == IB_QPT_UD) || 37448f3243a0SMark Zhang (qp->type == IB_QPT_UC) || (qp->type == IB_QPT_RAW_PACKET) || 37458f3243a0SMark Zhang (qp->type == IB_QPT_XRC_INI) || (qp->type == IB_QPT_XRC_TGT) || 37468f3243a0SMark Zhang (qp->type == MLX5_IB_QPT_DCI)) 37475163b274SMaor Gottlieb return true; 37485163b274SMaor Gottlieb return false; 37495163b274SMaor Gottlieb } 37505163b274SMaor Gottlieb 3751cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3752cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3753cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 37545163b274SMaor Gottlieb struct ib_udata *udata) 37555163b274SMaor Gottlieb { 37565163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 37575163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 37585163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 37595163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 37605163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 37615163b274SMaor Gottlieb unsigned int tx_affinity; 37625163b274SMaor Gottlieb 3763802dcc7fSMark Zhang if (!(mlx5_ib_lag_should_assign_affinity(dev) && 37648f3243a0SMark Zhang qp_supports_affinity(mqp))) 37655163b274SMaor Gottlieb return 0; 37665163b274SMaor Gottlieb 3767cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3768cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3769cfc1a89eSMaor Gottlieb else if (init) 37705163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3771cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3772cfc1a89eSMaor Gottlieb tx_affinity = 3773cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3774cfc1a89eSMaor Gottlieb else 3775cfc1a89eSMaor Gottlieb return 0; 37765163b274SMaor Gottlieb 37775163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 37785163b274SMaor Gottlieb if (ucontext) 37795163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 37805163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 37815163b274SMaor Gottlieb else 37825163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 37835163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 37845163b274SMaor Gottlieb return tx_affinity; 3785c6a21c38SMajd Dibbiny } 3786c6a21c38SMajd Dibbiny 3787d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3788d14133ddSMark Zhang struct rdma_counter *counter) 3789d14133ddSMark Zhang { 3790d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 379164bae2d4SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; 3792d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3793d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3794d14133ddSMark Zhang u32 set_id; 379564bae2d4SLeon Romanovsky u32 *qpc; 3796d14133ddSMark Zhang 37973e1f000fSParav Pandit if (counter) 3798d14133ddSMark Zhang set_id = counter->id; 37993e1f000fSParav Pandit else 38003e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3801d14133ddSMark Zhang 3802d14133ddSMark Zhang base = &mqp->trans_qp.base; 380364bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); 380464bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); 380564bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); 380664bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opt_param_mask, 380764bae2d4SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID); 380864bae2d4SLeon Romanovsky 380964bae2d4SLeon Romanovsky qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); 381064bae2d4SLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 381164bae2d4SLeon Romanovsky return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); 3812d14133ddSMark Zhang } 3813d14133ddSMark Zhang 3814e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3815e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 381689944450SShamir Rabinovitch enum ib_qp_state cur_state, 381789944450SShamir Rabinovitch enum ib_qp_state new_state, 381889944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 381950aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp *resp, 382089944450SShamir Rabinovitch struct ib_udata *udata) 3821e126ba97SEli Cohen { 3822427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3823427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3824427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3825427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3826427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3827427c1e7bSmajd@mellanox.com }, 3828427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3829427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3830427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3831427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3832427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3833427c1e7bSmajd@mellanox.com }, 3834427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3835427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3836427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3837427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3838427c1e7bSmajd@mellanox.com }, 3839427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3840427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3841427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3842427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3843427c1e7bSmajd@mellanox.com }, 3844427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3845427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3846427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3847427c1e7bSmajd@mellanox.com }, 3848427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3849427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3850427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3851427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3852427c1e7bSmajd@mellanox.com }, 3853427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3854427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3855427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3856427c1e7bSmajd@mellanox.com } 3857427c1e7bSmajd@mellanox.com }; 3858427c1e7bSmajd@mellanox.com 3859e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3860e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 386119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3862e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3863e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3864e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3865f18e26afSLeon Romanovsky void *qpc, *pri_path, *alt_path; 3866cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 3867d14133ddSMark Zhang u32 set_id = 0; 3868e126ba97SEli Cohen int mlx5_st; 3869e126ba97SEli Cohen int err; 3870427c1e7bSmajd@mellanox.com u16 op; 387113eab21fSAviv Heller u8 tx_affinity = 0; 3872e126ba97SEli Cohen 38737aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 387455de9a77SLeon Romanovsky if (mlx5_st < 0) 387555de9a77SLeon Romanovsky return -EINVAL; 387655de9a77SLeon Romanovsky 3877f18e26afSLeon Romanovsky qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); 3878f18e26afSLeon Romanovsky if (!qpc) 3879e126ba97SEli Cohen return -ENOMEM; 3880e126ba97SEli Cohen 3881029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 3882f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 3883e126ba97SEli Cohen 3884e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3885f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3886e126ba97SEli Cohen } else { 3887e126ba97SEli Cohen switch (attr->path_mig_state) { 3888e126ba97SEli Cohen case IB_MIG_MIGRATED: 3889f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3890e126ba97SEli Cohen break; 3891e126ba97SEli Cohen case IB_MIG_REARM: 3892f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); 3893e126ba97SEli Cohen break; 3894e126ba97SEli Cohen case IB_MIG_ARMED: 3895f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); 3896e126ba97SEli Cohen break; 3897e126ba97SEli Cohen } 3898e126ba97SEli Cohen } 3899e126ba97SEli Cohen 3900cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 39015163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 39025163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 3903f18e26afSLeon Romanovsky 3904f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); 3905f18e26afSLeon Romanovsky if (tx_affinity && new_state == IB_QPS_RTR && 3906cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 3907cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 390813eab21fSAviv Heller 3909d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3910f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_256); 3911f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 8); 3912c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 39132be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3914e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3915f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); 3916f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 12); 3917e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3918e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3919e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3920e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3921e126ba97SEli Cohen err = -EINVAL; 3922e126ba97SEli Cohen goto out; 3923e126ba97SEli Cohen } 3924f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, attr->path_mtu); 3925f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 3926f18e26afSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, log_max_msg)); 3927e126ba97SEli Cohen } 3928e126ba97SEli Cohen 3929e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3930f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); 3931f18e26afSLeon Romanovsky 3932f18e26afSLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 3933f18e26afSLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 3934e126ba97SEli Cohen 3935e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3936f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); 3937e126ba97SEli Cohen 3938e126ba97SEli Cohen /* todo implement counter_index functionality */ 3939e126ba97SEli Cohen 3940e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3941f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, qp->port); 3942e126ba97SEli Cohen 3943e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3944f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); 3945e126ba97SEli Cohen 3946e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 3947f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, 3948f18e26afSLeon Romanovsky attr_mask & IB_QP_PORT ? attr->port_num : 3949f18e26afSLeon Romanovsky qp->port, 3950f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3951e126ba97SEli Cohen if (err) 3952e126ba97SEli Cohen goto out; 3953e126ba97SEli Cohen } 3954e126ba97SEli Cohen 3955e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3956f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); 3957e126ba97SEli Cohen 3958e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 3959f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, 3960f879ee8dSAchiad Shochat attr->alt_port_num, 3961f18e26afSLeon Romanovsky attr_mask | IB_QP_PKEY_INDEX | 3962f18e26afSLeon Romanovsky IB_QP_TIMEOUT, 3963f879ee8dSAchiad Shochat 0, attr, true); 3964e126ba97SEli Cohen if (err) 3965e126ba97SEli Cohen goto out; 3966e126ba97SEli Cohen } 3967e126ba97SEli Cohen 396889ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 396989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3970e126ba97SEli Cohen 3971f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3972f18e26afSLeon Romanovsky if (send_cq) 3973f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); 3974f18e26afSLeon Romanovsky if (recv_cq) 3975f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); 3976f18e26afSLeon Romanovsky 3977f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); 3978e126ba97SEli Cohen 3979e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3980f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); 3981e126ba97SEli Cohen 3982e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3983f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); 3984e126ba97SEli Cohen 3985f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) 3986f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); 3987e126ba97SEli Cohen 3988e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3989f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); 3990e126ba97SEli Cohen 3991f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) 3992f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_rra_max, 3993f18e26afSLeon Romanovsky ilog2(attr->max_dest_rd_atomic)); 3994e126ba97SEli Cohen 3995a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3996f18e26afSLeon Romanovsky err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); 3997a60109dcSYonatan Cohen if (err) 3998a60109dcSYonatan Cohen goto out; 3999a60109dcSYonatan Cohen } 4000e126ba97SEli Cohen 4001e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 4002f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); 4003e126ba97SEli Cohen 4004e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 4005f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); 4006e126ba97SEli Cohen 4007e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 4008f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, q_key, attr->qkey); 4009e126ba97SEli Cohen 4010e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4011f18e26afSLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 4012e126ba97SEli Cohen 40130837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 40140837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 40150837e86aSMark Bloch qp->port) - 1; 4016c2e53b2cSYishai Hadas 4017c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 40182be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 4019c2e53b2cSYishai Hadas port_num = 0; 4020c2e53b2cSYishai Hadas 4021d14133ddSMark Zhang if (ibqp->counter) 4022d14133ddSMark Zhang set_id = ibqp->counter->id; 4023d14133ddSMark Zhang else 40243e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 4025f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 40260837e86aSMark Bloch } 40270837e86aSMark Bloch 4028e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4029f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rlky, 1); 4030e126ba97SEli Cohen 40312be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 4032f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, deth_sqpn, 1); 4033e126ba97SEli Cohen 4034e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 4035e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 4036e126ba97SEli Cohen 4037427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 40385d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 40395d414b17SDan Carpenter err = -EINVAL; 4040427c1e7bSmajd@mellanox.com goto out; 40415d414b17SDan Carpenter } 4042427c1e7bSmajd@mellanox.com 4043427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 4044cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 4045e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 4046ad5f8e96Smajd@mellanox.com 4047c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 40482be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 40490680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 40500680efa2SAlex Vesker 40510680efa2SAlex Vesker raw_qp_param.operation = op; 4052eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4053d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 4054eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 4055eb49ab0cSAlex Vesker } 40567d29f349SBodong Wang 4057d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 4058d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 4059d5ed8ac3SMark Bloch 40607d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 406161147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 406261147f39SBodong Wang 406361147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 406461147f39SBodong Wang if (attr->rate_limit && 406561147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 406661147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 406761147f39SBodong Wang ucmd->burst_info.max_burst_sz; 406861147f39SBodong Wang } else { 406961147f39SBodong Wang err = -EINVAL; 407061147f39SBodong Wang goto out; 407161147f39SBodong Wang } 407261147f39SBodong Wang } 407361147f39SBodong Wang 407461147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 407561147f39SBodong Wang if (attr->rate_limit && 407661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 407761147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 407861147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 407961147f39SBodong Wang } else { 408061147f39SBodong Wang err = -EINVAL; 408161147f39SBodong Wang goto out; 408261147f39SBodong Wang } 408361147f39SBodong Wang } 408461147f39SBodong Wang 40857d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 40867d29f349SBodong Wang } 40877d29f349SBodong Wang 408813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 40890680efa2SAlex Vesker } else { 409050aec2c3SLeon Romanovsky if (udata) { 409150aec2c3SLeon Romanovsky /* For the kernel flows, the resp will stay zero */ 409250aec2c3SLeon Romanovsky resp->ece_options = 409350aec2c3SLeon Romanovsky MLX5_CAP_GEN(dev->mdev, ece_support) ? 40945f62a521SLeon Romanovsky ucmd->ece_options : 0; 409550aec2c3SLeon Romanovsky resp->response_length = sizeof(*resp); 409650aec2c3SLeon Romanovsky } 40975f62a521SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, 409850aec2c3SLeon Romanovsky &resp->ece_options); 40990680efa2SAlex Vesker } 41000680efa2SAlex Vesker 4101e126ba97SEli Cohen if (err) 4102e126ba97SEli Cohen goto out; 4103e126ba97SEli Cohen 4104e126ba97SEli Cohen qp->state = new_state; 4105e126ba97SEli Cohen 4106e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 410719098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 4108e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 410919098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 4110e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4111e126ba97SEli Cohen qp->port = attr->port_num; 4112e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 411319098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 4114e126ba97SEli Cohen 4115e126ba97SEli Cohen /* 4116e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 4117e126ba97SEli Cohen * entries and reinitialize the QP. 4118e126ba97SEli Cohen */ 411975a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 412075a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 412119098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 4122e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 4123e126ba97SEli Cohen if (send_cq != recv_cq) 412419098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 4125e126ba97SEli Cohen 4126e126ba97SEli Cohen qp->rq.head = 0; 4127e126ba97SEli Cohen qp->rq.tail = 0; 4128e126ba97SEli Cohen qp->sq.head = 0; 4129e126ba97SEli Cohen qp->sq.tail = 0; 4130e126ba97SEli Cohen qp->sq.cur_post = 0; 413134f4c955SGuy Levi if (qp->sq.wqe_cnt) 413234f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 4133950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 4134e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 4135e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 4136e126ba97SEli Cohen } 4137e126ba97SEli Cohen 4138d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 4139d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 4140d14133ddSMark Zhang if (!err) 4141d14133ddSMark Zhang qp->counter_pending = 0; 4142d14133ddSMark Zhang } 4143d14133ddSMark Zhang 4144e126ba97SEli Cohen out: 4145f18e26afSLeon Romanovsky kfree(qpc); 4146e126ba97SEli Cohen return err; 4147e126ba97SEli Cohen } 4148e126ba97SEli Cohen 4149c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 4150c32a4f29SMoni Shoua { 4151c32a4f29SMoni Shoua if ((mask & req) != req) 4152c32a4f29SMoni Shoua return false; 4153c32a4f29SMoni Shoua 4154c32a4f29SMoni Shoua if (mask & ~(req | opt)) 4155c32a4f29SMoni Shoua return false; 4156c32a4f29SMoni Shoua 4157c32a4f29SMoni Shoua return true; 4158c32a4f29SMoni Shoua } 4159c32a4f29SMoni Shoua 4160c32a4f29SMoni Shoua /* check valid transition for driver QP types 4161c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 4162c32a4f29SMoni Shoua */ 4163c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 4164c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 4165c32a4f29SMoni Shoua { 4166c32a4f29SMoni Shoua int req = IB_QP_STATE; 4167c32a4f29SMoni Shoua int opt = 0; 4168c32a4f29SMoni Shoua 416999ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 417099ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 417199ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4172c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 4173c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4174c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 4175c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 4176c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4177c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4178c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 41795ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 4180c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4181c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4182c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4183c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 4184c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4185c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4186c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 4187c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4188c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4189c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4190c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4191c32a4f29SMoni Shoua } 4192c32a4f29SMoni Shoua return false; 4193c32a4f29SMoni Shoua } 4194c32a4f29SMoni Shoua 4195776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4196776a3906SMoni Shoua * valid transitions are: 4197776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4198776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4199776a3906SMoni Shoua * mtu, gid_index and hop_limit 4200776a3906SMoni Shoua * Other transitions and attributes are illegal 4201776a3906SMoni Shoua */ 4202776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4203a645a89dSLeon Romanovsky int attr_mask, struct mlx5_ib_modify_qp *ucmd, 4204a645a89dSLeon Romanovsky struct ib_udata *udata) 4205776a3906SMoni Shoua { 4206776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4207776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4208776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4209776a3906SMoni Shoua int required = IB_QP_STATE; 4210776a3906SMoni Shoua void *dctc; 421171cab8efSLeon Romanovsky int err; 4212776a3906SMoni Shoua 4213776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4214776a3906SMoni Shoua return -EINVAL; 4215776a3906SMoni Shoua 4216776a3906SMoni Shoua cur_state = qp->state; 4217776a3906SMoni Shoua new_state = attr->qp_state; 4218776a3906SMoni Shoua 4219776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4220a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) 4221a645a89dSLeon Romanovsky /* 4222a645a89dSLeon Romanovsky * DCT doesn't initialize QP till modify command is executed, 4223a645a89dSLeon Romanovsky * so we need to overwrite previously set ECE field if user 4224a645a89dSLeon Romanovsky * provided any value except zero, which means not set/not 4225a645a89dSLeon Romanovsky * valid. 4226a645a89dSLeon Romanovsky */ 4227a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 4228a645a89dSLeon Romanovsky 4229776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 42303e1f000fSParav Pandit u16 set_id; 42313e1f000fSParav Pandit 4232776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4233776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4234776a3906SMoni Shoua return -EINVAL; 4235776a3906SMoni Shoua 4236776a3906SMoni Shoua if (attr->port_num == 0 || 4237776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4238776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4239776a3906SMoni Shoua attr->port_num, dev->num_ports); 4240776a3906SMoni Shoua return -EINVAL; 4241776a3906SMoni Shoua } 4242776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4243776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4244776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4245776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4246776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4247a60109dcSYonatan Cohen int atomic_mode; 4248a60109dcSYonatan Cohen 4249a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4250a60109dcSYonatan Cohen if (atomic_mode < 0) 4251776a3906SMoni Shoua return -EOPNOTSUPP; 4252a60109dcSYonatan Cohen 4253a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4254776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4255776a3906SMoni Shoua } 4256776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 42577c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev)) 42587c4b1ab9SMark Zhang MLX5_SET(dctc, dctc, port, 42597c4b1ab9SMark Zhang get_tx_affinity_rr(dev, udata)); 42607c4b1ab9SMark Zhang else 4261776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 42623e1f000fSParav Pandit 42633e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 42643e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4265776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4266776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4267a645a89dSLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; 4268a645a89dSLeon Romanovsky u32 min_resp_len = offsetofend(typeof(resp), dctn); 4269776a3906SMoni Shoua 4270776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4271776a3906SMoni Shoua return -EINVAL; 4272a645a89dSLeon Romanovsky /* 4273a645a89dSLeon Romanovsky * If we don't have enough space for the ECE options, 4274a645a89dSLeon Romanovsky * simply indicate it with resp.response_length. 4275a645a89dSLeon Romanovsky */ 4276a645a89dSLeon Romanovsky resp.response_length = (udata->outlen < sizeof(resp)) ? 4277a645a89dSLeon Romanovsky min_resp_len : 4278a645a89dSLeon Romanovsky sizeof(resp); 4279a645a89dSLeon Romanovsky 4280776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4281776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4282776a3906SMoni Shoua return -EINVAL; 4283776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4284776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4285776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4286776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4287776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4288776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4289776a3906SMoni Shoua 4290333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4291c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4292c5ae1954SYishai Hadas sizeof(out)); 4293776a3906SMoni Shoua if (err) 4294776a3906SMoni Shoua return err; 4295776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4296a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 4297a645a89dSLeon Romanovsky resp.ece_options = MLX5_GET(create_dct_out, out, ece); 4298776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4299776a3906SMoni Shoua if (err) { 4300333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4301776a3906SMoni Shoua return err; 4302776a3906SMoni Shoua } 4303776a3906SMoni Shoua } else { 4304776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4305776a3906SMoni Shoua return -EINVAL; 4306776a3906SMoni Shoua } 430771cab8efSLeon Romanovsky 4308776a3906SMoni Shoua qp->state = new_state; 430971cab8efSLeon Romanovsky return 0; 4310776a3906SMoni Shoua } 4311776a3906SMoni Shoua 43122614488dSMark Bloch static bool mlx5_ib_modify_qp_allowed(struct mlx5_ib_dev *dev, 43132614488dSMark Bloch struct mlx5_ib_qp *qp, 43142614488dSMark Bloch enum ib_qp_type qp_type) 43152614488dSMark Bloch { 43162614488dSMark Bloch if (dev->profile != &raw_eth_profile) 43172614488dSMark Bloch return true; 43182614488dSMark Bloch 43192614488dSMark Bloch if (qp_type == IB_QPT_RAW_PACKET || qp_type == MLX5_IB_QPT_REG_UMR) 43202614488dSMark Bloch return true; 43212614488dSMark Bloch 43222614488dSMark Bloch /* Internal QP used for wc testing, with NOPs in wq */ 43232614488dSMark Bloch if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 43242614488dSMark Bloch return true; 43252614488dSMark Bloch 43262614488dSMark Bloch return false; 43272614488dSMark Bloch } 43282614488dSMark Bloch 4329e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4330e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4331e126ba97SEli Cohen { 4332e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 433350aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp resp = {}; 4334e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 433561147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4336d16e91daSHaggai Eran enum ib_qp_type qp_type; 4337e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 4338e126ba97SEli Cohen int err = -EINVAL; 4339e126ba97SEli Cohen 43402614488dSMark Bloch if (!mlx5_ib_modify_qp_allowed(dev, qp, ibqp->qp_type)) 43412614488dSMark Bloch return -EOPNOTSUPP; 43422614488dSMark Bloch 434326e990baSJason Gunthorpe if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT)) 434426e990baSJason Gunthorpe return -EOPNOTSUPP; 434526e990baSJason Gunthorpe 434628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 434728d61370SYishai Hadas return -ENOSYS; 434828d61370SYishai Hadas 434961147f39SBodong Wang if (udata && udata->inlen) { 43505f62a521SLeon Romanovsky if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) 435161147f39SBodong Wang return -EINVAL; 435261147f39SBodong Wang 435361147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 435461147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 435561147f39SBodong Wang udata->inlen - sizeof(ucmd))) 435661147f39SBodong Wang return -EOPNOTSUPP; 435761147f39SBodong Wang 435861147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 435961147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 436061147f39SBodong Wang return -EFAULT; 436161147f39SBodong Wang 436261147f39SBodong Wang if (ucmd.comp_mask || 436361147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 436461147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 436561147f39SBodong Wang return -EOPNOTSUPP; 43665f62a521SLeon Romanovsky 436761147f39SBodong Wang } 436861147f39SBodong Wang 4369d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4370d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4371d16e91daSHaggai Eran 43727aede1a2SLeon Romanovsky qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? IB_QPT_GSI : 43737aede1a2SLeon Romanovsky qp->type; 4374d16e91daSHaggai Eran 4375a645a89dSLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 4376a645a89dSLeon Romanovsky return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); 4377c32a4f29SMoni Shoua 4378e126ba97SEli Cohen mutex_lock(&qp->mutex); 4379e126ba97SEli Cohen 4380e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4381e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4382e126ba97SEli Cohen 43832be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4384c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4385c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4386c2e53b2cSYishai Hadas attr_mask); 4387c2e53b2cSYishai Hadas goto out; 4388c2e53b2cSYishai Hadas } 4389c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4390c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4391d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4392d31131bbSKamal Heib attr_mask)) { 4393158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4394158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4395e126ba97SEli Cohen goto out; 4396c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4397c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4398c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4399c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4400c32a4f29SMoni Shoua goto out; 4401158abf86SHaggai Eran } 4402e126ba97SEli Cohen 4403e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4404938fe83cSSaeed Mahameed (attr->port_num == 0 || 4405508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4406158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4407158abf86SHaggai Eran attr->port_num, dev->num_ports); 4408e126ba97SEli Cohen goto out; 4409158abf86SHaggai Eran } 4410e126ba97SEli Cohen 44112019d70eSParav Pandit if ((attr_mask & IB_QP_PKEY_INDEX) && 44122019d70eSParav Pandit attr->pkey_index >= dev->pkey_table_len) { 44132019d70eSParav Pandit mlx5_ib_dbg(dev, "invalid pkey index %d\n", attr->pkey_index); 4414e126ba97SEli Cohen goto out; 4415e126ba97SEli Cohen } 4416e126ba97SEli Cohen 4417e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4418938fe83cSSaeed Mahameed attr->max_rd_atomic > 4419158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4420158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4421158abf86SHaggai Eran attr->max_rd_atomic); 4422e126ba97SEli Cohen goto out; 4423158abf86SHaggai Eran } 4424e126ba97SEli Cohen 4425e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4426938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4427158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4428158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4429158abf86SHaggai Eran attr->max_dest_rd_atomic); 4430e126ba97SEli Cohen goto out; 4431158abf86SHaggai Eran } 4432e126ba97SEli Cohen 4433e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4434e126ba97SEli Cohen err = 0; 4435e126ba97SEli Cohen goto out; 4436e126ba97SEli Cohen } 4437e126ba97SEli Cohen 443861147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 443950aec2c3SLeon Romanovsky new_state, &ucmd, &resp, udata); 444050aec2c3SLeon Romanovsky 444150aec2c3SLeon Romanovsky /* resp.response_length is set in ECE supported flows only */ 444250aec2c3SLeon Romanovsky if (!err && resp.response_length && 444350aec2c3SLeon Romanovsky udata->outlen >= resp.response_length) 44446512f11dSLeon Romanovsky /* Return -EFAULT to the user and expect him to destroy QP. */ 44456512f11dSLeon Romanovsky err = ib_copy_to_udata(udata, &resp, resp.response_length); 4446e126ba97SEli Cohen 4447e126ba97SEli Cohen out: 4448e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4449e126ba97SEli Cohen return err; 4450e126ba97SEli Cohen } 4451e126ba97SEli Cohen 4452e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4453e126ba97SEli Cohen { 4454e126ba97SEli Cohen switch (mlx5_state) { 4455e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4456e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4457e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4458e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4459e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4460e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4461e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4462e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4463e126ba97SEli Cohen default: return -1; 4464e126ba97SEli Cohen } 4465e126ba97SEli Cohen } 4466e126ba97SEli Cohen 4467e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4468e126ba97SEli Cohen { 4469e126ba97SEli Cohen switch (mlx5_mig_state) { 4470e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4471e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4472e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4473e126ba97SEli Cohen default: return -1; 4474e126ba97SEli Cohen } 4475e126ba97SEli Cohen } 4476e126ba97SEli Cohen 447738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 447870bd7fb8SLeon Romanovsky struct rdma_ah_attr *ah_attr, void *path) 4479e126ba97SEli Cohen { 448070bd7fb8SLeon Romanovsky int port = MLX5_GET(ads, path, vhca_port_num); 448170bd7fb8SLeon Romanovsky int static_rate; 4482e126ba97SEli Cohen 4483d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4484e126ba97SEli Cohen 448570bd7fb8SLeon Romanovsky if (!port || port > ibdev->num_ports) 4486e126ba97SEli Cohen return; 4487e126ba97SEli Cohen 448870bd7fb8SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); 4489ae59c3f0SLeon Romanovsky 449070bd7fb8SLeon Romanovsky rdma_ah_set_port_num(ah_attr, port); 449170bd7fb8SLeon Romanovsky rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); 4492e126ba97SEli Cohen 449370bd7fb8SLeon Romanovsky rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); 449470bd7fb8SLeon Romanovsky rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); 44952d7e3ff7SAharon Landau 449670bd7fb8SLeon Romanovsky static_rate = MLX5_GET(ads, path, stat_rate); 44976fe6e568SMark Zhang rdma_ah_set_static_rate(ah_attr, mlx5_to_ib_rate_map(static_rate)); 449870bd7fb8SLeon Romanovsky if (MLX5_GET(ads, path, grh) || 44992d7e3ff7SAharon Landau ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { 450070bd7fb8SLeon Romanovsky rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), 450170bd7fb8SLeon Romanovsky MLX5_GET(ads, path, src_addr_index), 450270bd7fb8SLeon Romanovsky MLX5_GET(ads, path, hop_limit), 450370bd7fb8SLeon Romanovsky MLX5_GET(ads, path, tclass)); 4504d4433557SMaor Gottlieb rdma_ah_set_dgid_raw(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip)); 4505e126ba97SEli Cohen } 4506e126ba97SEli Cohen } 4507e126ba97SEli Cohen 45086d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 45096d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 45106d2f89dfSmajd@mellanox.com u8 *sq_state) 4511e126ba97SEli Cohen { 45126d2f89dfSmajd@mellanox.com int err; 45136d2f89dfSmajd@mellanox.com 451428160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 45156d2f89dfSmajd@mellanox.com if (err) 45166d2f89dfSmajd@mellanox.com goto out; 45176d2f89dfSmajd@mellanox.com sq->state = *sq_state; 45186d2f89dfSmajd@mellanox.com 45196d2f89dfSmajd@mellanox.com out: 45206d2f89dfSmajd@mellanox.com return err; 45216d2f89dfSmajd@mellanox.com } 45226d2f89dfSmajd@mellanox.com 45236d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 45246d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 45256d2f89dfSmajd@mellanox.com u8 *rq_state) 45266d2f89dfSmajd@mellanox.com { 45276d2f89dfSmajd@mellanox.com void *out; 45286d2f89dfSmajd@mellanox.com void *rqc; 45296d2f89dfSmajd@mellanox.com int inlen; 45306d2f89dfSmajd@mellanox.com int err; 45316d2f89dfSmajd@mellanox.com 45326d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 45331b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 45346d2f89dfSmajd@mellanox.com if (!out) 45356d2f89dfSmajd@mellanox.com return -ENOMEM; 45366d2f89dfSmajd@mellanox.com 45376d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 45386d2f89dfSmajd@mellanox.com if (err) 45396d2f89dfSmajd@mellanox.com goto out; 45406d2f89dfSmajd@mellanox.com 45416d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 45426d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 45436d2f89dfSmajd@mellanox.com rq->state = *rq_state; 45446d2f89dfSmajd@mellanox.com 45456d2f89dfSmajd@mellanox.com out: 45466d2f89dfSmajd@mellanox.com kvfree(out); 45476d2f89dfSmajd@mellanox.com return err; 45486d2f89dfSmajd@mellanox.com } 45496d2f89dfSmajd@mellanox.com 45506d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 45516d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 45526d2f89dfSmajd@mellanox.com { 45536d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 45546d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 45556d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 45566d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45576d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 45586d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 45596d2f89dfSmajd@mellanox.com }, 45606d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 4561c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 45626d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45636d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 45646d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 45656d2f89dfSmajd@mellanox.com }, 45666d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 45676d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 45686d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45696d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 45706d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 45716d2f89dfSmajd@mellanox.com }, 45726d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 4573c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 45746d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45756d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 45766d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 45776d2f89dfSmajd@mellanox.com }, 45786d2f89dfSmajd@mellanox.com }; 45796d2f89dfSmajd@mellanox.com 45806d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 45816d2f89dfSmajd@mellanox.com 45826d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 45836d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 45846d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 45856d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 45866d2f89dfSmajd@mellanox.com return -EINVAL; 45876d2f89dfSmajd@mellanox.com } 45886d2f89dfSmajd@mellanox.com 45896d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 45906d2f89dfSmajd@mellanox.com *qp_state = qp->state; 45916d2f89dfSmajd@mellanox.com 45926d2f89dfSmajd@mellanox.com return 0; 45936d2f89dfSmajd@mellanox.com } 45946d2f89dfSmajd@mellanox.com 45956d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 45966d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 45976d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 45986d2f89dfSmajd@mellanox.com { 45996d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 46006d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 46016d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 46026d2f89dfSmajd@mellanox.com int err; 46036d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 46046d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 46056d2f89dfSmajd@mellanox.com 46066d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 46076d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 46086d2f89dfSmajd@mellanox.com if (err) 46096d2f89dfSmajd@mellanox.com return err; 46106d2f89dfSmajd@mellanox.com } 46116d2f89dfSmajd@mellanox.com 46126d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 46136d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 46146d2f89dfSmajd@mellanox.com if (err) 46156d2f89dfSmajd@mellanox.com return err; 46166d2f89dfSmajd@mellanox.com } 46176d2f89dfSmajd@mellanox.com 46186d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 46196d2f89dfSmajd@mellanox.com raw_packet_qp_state); 46206d2f89dfSmajd@mellanox.com } 46216d2f89dfSmajd@mellanox.com 46226d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 46236d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 46246d2f89dfSmajd@mellanox.com { 462509a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 462670bd7fb8SLeon Romanovsky void *qpc, *pri_path, *alt_path; 462709a7d9ecSSaeed Mahameed u32 *outb; 462870bd7fb8SLeon Romanovsky int err; 4629e126ba97SEli Cohen 463009a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 46316d2f89dfSmajd@mellanox.com if (!outb) 46326d2f89dfSmajd@mellanox.com return -ENOMEM; 46336d2f89dfSmajd@mellanox.com 4634333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4635e126ba97SEli Cohen if (err) 46366d2f89dfSmajd@mellanox.com goto out; 4637e126ba97SEli Cohen 463870bd7fb8SLeon Romanovsky qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); 463909a7d9ecSSaeed Mahameed 464070bd7fb8SLeon Romanovsky qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); 464170bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) 464270bd7fb8SLeon Romanovsky qp_attr->sq_draining = 1; 4643e126ba97SEli Cohen 464470bd7fb8SLeon Romanovsky qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); 464570bd7fb8SLeon Romanovsky qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); 464670bd7fb8SLeon Romanovsky qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); 464770bd7fb8SLeon Romanovsky qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); 464870bd7fb8SLeon Romanovsky qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); 464970bd7fb8SLeon Romanovsky qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); 465070bd7fb8SLeon Romanovsky 465170bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rre)) 465270bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; 465370bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rwe)) 465470bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; 465570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rae)) 465670bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; 465770bd7fb8SLeon Romanovsky 465870bd7fb8SLeon Romanovsky qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); 465970bd7fb8SLeon Romanovsky qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); 466070bd7fb8SLeon Romanovsky qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); 466170bd7fb8SLeon Romanovsky qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); 466270bd7fb8SLeon Romanovsky qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); 466370bd7fb8SLeon Romanovsky 466470bd7fb8SLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 466570bd7fb8SLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4666e126ba97SEli Cohen 4667f957d4d0SAvihai Horon if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC || 4668f957d4d0SAvihai Horon qp->ibqp.qp_type == IB_QPT_XRC_INI || 4669f957d4d0SAvihai Horon qp->ibqp.qp_type == IB_QPT_XRC_TGT) { 467070bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); 467170bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); 467270bd7fb8SLeon Romanovsky qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); 467370bd7fb8SLeon Romanovsky qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); 4674e126ba97SEli Cohen } 4675e126ba97SEli Cohen 467670bd7fb8SLeon Romanovsky qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); 467770bd7fb8SLeon Romanovsky qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); 467870bd7fb8SLeon Romanovsky qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); 467970bd7fb8SLeon Romanovsky qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); 46806d2f89dfSmajd@mellanox.com 46816d2f89dfSmajd@mellanox.com out: 46826d2f89dfSmajd@mellanox.com kfree(outb); 46836d2f89dfSmajd@mellanox.com return err; 46846d2f89dfSmajd@mellanox.com } 46856d2f89dfSmajd@mellanox.com 4686776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4687776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4688776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4689776a3906SMoni Shoua { 4690776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4691776a3906SMoni Shoua u32 *out; 4692776a3906SMoni Shoua u32 access_flags = 0; 4693776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4694776a3906SMoni Shoua void *dctc; 4695776a3906SMoni Shoua int err; 4696776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4697776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4698776a3906SMoni Shoua IB_QP_PORT | 4699776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4700776a3906SMoni Shoua IB_QP_AV | 4701776a3906SMoni Shoua IB_QP_PATH_MTU | 4702776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4703776a3906SMoni Shoua 4704776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4705776a3906SMoni Shoua return -EINVAL; 4706776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4707776a3906SMoni Shoua return -EINVAL; 4708776a3906SMoni Shoua 4709776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4710776a3906SMoni Shoua if (!out) 4711776a3906SMoni Shoua return -ENOMEM; 4712776a3906SMoni Shoua 4713333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4714776a3906SMoni Shoua if (err) 4715776a3906SMoni Shoua goto out; 4716776a3906SMoni Shoua 4717776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4718776a3906SMoni Shoua 4719776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4720776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4721776a3906SMoni Shoua 4722776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4723776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4724776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4725776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4726776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4727776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4728776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4729776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4730776a3906SMoni Shoua } 4731776a3906SMoni Shoua 4732776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4733776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4734776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4735776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4736776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4737776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4738776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4739776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4740776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4741776a3906SMoni Shoua } 4742776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4743776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4744776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4745776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4746776a3906SMoni Shoua out: 4747776a3906SMoni Shoua kfree(out); 4748776a3906SMoni Shoua return err; 4749776a3906SMoni Shoua } 4750776a3906SMoni Shoua 47516d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 47526d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 47536d2f89dfSmajd@mellanox.com { 47546d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 47556d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 47566d2f89dfSmajd@mellanox.com int err = 0; 47576d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 47586d2f89dfSmajd@mellanox.com 475928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 476028d61370SYishai Hadas return -ENOSYS; 476128d61370SYishai Hadas 4762d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4763d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4764d16e91daSHaggai Eran qp_init_attr); 4765d16e91daSHaggai Eran 4766c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4767c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4768c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4769c2e53b2cSYishai Hadas 47707aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4771776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4772776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4773776a3906SMoni Shoua 47746d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 47756d2f89dfSmajd@mellanox.com 4776c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 47772be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 47786d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 47796d2f89dfSmajd@mellanox.com if (err) 47806d2f89dfSmajd@mellanox.com goto out; 47816d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 47826d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 47836d2f89dfSmajd@mellanox.com } else { 47846d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 47856d2f89dfSmajd@mellanox.com if (err) 47866d2f89dfSmajd@mellanox.com goto out; 47876d2f89dfSmajd@mellanox.com } 47886d2f89dfSmajd@mellanox.com 47896d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4790e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4791e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4792e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4793e126ba97SEli Cohen 4794e126ba97SEli Cohen if (!ibqp->uobject) { 47950540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4796e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 47970540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4798e126ba97SEli Cohen } else { 4799e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4800e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4801e126ba97SEli Cohen } 4802e126ba97SEli Cohen 48030540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 48040540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 48050540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 48060540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 48070540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4808e126ba97SEli Cohen 4809e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4810e126ba97SEli Cohen 4811a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4812051f2630SLeon Romanovsky 4813e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4814e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4815e126ba97SEli Cohen 4816e126ba97SEli Cohen out: 4817e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4818e126ba97SEli Cohen return err; 4819e126ba97SEli Cohen } 4820e126ba97SEli Cohen 482128ad5f65SLeon Romanovsky int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) 4822e126ba97SEli Cohen { 482328ad5f65SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); 482428ad5f65SLeon Romanovsky struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); 4825e126ba97SEli Cohen 4826938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 482728ad5f65SLeon Romanovsky return -EOPNOTSUPP; 4828e126ba97SEli Cohen 482928ad5f65SLeon Romanovsky return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 4830e126ba97SEli Cohen } 4831e126ba97SEli Cohen 4832d0c45c85SLeon Romanovsky int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 4833e126ba97SEli Cohen { 4834e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4835e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4836e126ba97SEli Cohen 4837d0c45c85SLeon Romanovsky return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 4838e126ba97SEli Cohen } 483979b20a6cSYishai Hadas 4840350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4841350d0e4cSYishai Hadas { 4842350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4843350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4844350d0e4cSYishai Hadas struct ib_event event; 4845350d0e4cSYishai Hadas 4846350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4847350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4848350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4849350d0e4cSYishai Hadas switch (type) { 4850350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4851350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4852350d0e4cSYishai Hadas break; 4853350d0e4cSYishai Hadas default: 4854350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4855350d0e4cSYishai Hadas return; 4856350d0e4cSYishai Hadas } 4857350d0e4cSYishai Hadas 4858350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4859350d0e4cSYishai Hadas } 4860350d0e4cSYishai Hadas } 4861350d0e4cSYishai Hadas 486203404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 486303404e8aSMaor Gottlieb { 486403404e8aSMaor Gottlieb int err = 0; 486503404e8aSMaor Gottlieb 486603404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 486703404e8aSMaor Gottlieb if (dev->delay_drop.activate) 486803404e8aSMaor Gottlieb goto out; 486903404e8aSMaor Gottlieb 4870333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 487103404e8aSMaor Gottlieb if (err) 487203404e8aSMaor Gottlieb goto out; 487303404e8aSMaor Gottlieb 487403404e8aSMaor Gottlieb dev->delay_drop.activate = true; 487503404e8aSMaor Gottlieb out: 487603404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4877fe248c3aSMaor Gottlieb 4878fe248c3aSMaor Gottlieb if (!err) 4879fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 488003404e8aSMaor Gottlieb return err; 488103404e8aSMaor Gottlieb } 488203404e8aSMaor Gottlieb 488379b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 488479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 488579b20a6cSYishai Hadas { 488679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 48874be6da1eSNoa Osherovich int has_net_offloads; 488879b20a6cSYishai Hadas __be64 *rq_pas0; 488979b20a6cSYishai Hadas void *in; 489079b20a6cSYishai Hadas void *rqc; 489179b20a6cSYishai Hadas void *wq; 489279b20a6cSYishai Hadas int inlen; 489379b20a6cSYishai Hadas int err; 489479b20a6cSYishai Hadas 489579b20a6cSYishai Hadas dev = to_mdev(pd->device); 489679b20a6cSYishai Hadas 489779b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 48981b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 489979b20a6cSYishai Hadas if (!in) 490079b20a6cSYishai Hadas return -ENOMEM; 490179b20a6cSYishai Hadas 490234d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 490379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 490479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 490579b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 490679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 490779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 490879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 490979b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 491079b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4911ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4912ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4913ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4914b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4915b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4916b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4917b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4918b1383aa6SNoa Osherovich goto out; 4919b1383aa6SNoa Osherovich } else { 492079b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4921b1383aa6SNoa Osherovich } 4922b1383aa6SNoa Osherovich } 492379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4924ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4925c16339b6SMark Zhang /* 4926c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 4927c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 4928c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 4929c16339b6SMark Zhang * accepted as 0 to 9 4930c16339b6SMark Zhang */ 4931c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 4932c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 4933ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4934ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4935ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4936ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4937c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 4938c16339b6SMark Zhang fw_map[rwq->log_num_strides - 4939c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 4940ccc87087SNoa Osherovich } 494179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 494279b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 494379b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 494479b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 494579b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 494679b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 49474be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4948b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 49494be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4950b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4951b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4952b1f74a84SNoa Osherovich goto out; 4953b1f74a84SNoa Osherovich } 4954b1f74a84SNoa Osherovich } else { 4955b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4956b1f74a84SNoa Osherovich } 49574be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 49584be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 49594be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 49604be6da1eSNoa Osherovich err = -EOPNOTSUPP; 49614be6da1eSNoa Osherovich goto out; 49624be6da1eSNoa Osherovich } 49634be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 49644be6da1eSNoa Osherovich } 496503404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 496603404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 496703404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 496803404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 496903404e8aSMaor Gottlieb err = -EOPNOTSUPP; 497003404e8aSMaor Gottlieb goto out; 497103404e8aSMaor Gottlieb } 497203404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 497303404e8aSMaor Gottlieb } 497479b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 4975aab8d396SJason Gunthorpe mlx5_ib_populate_pas(rwq->umem, 1UL << rwq->page_shift, rq_pas0, 0); 4976333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 497703404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 497803404e8aSMaor Gottlieb err = set_delay_drop(dev); 497903404e8aSMaor Gottlieb if (err) { 498003404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 498103404e8aSMaor Gottlieb err); 4982333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 498303404e8aSMaor Gottlieb } else { 498403404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 498503404e8aSMaor Gottlieb } 498603404e8aSMaor Gottlieb } 4987b1f74a84SNoa Osherovich out: 498879b20a6cSYishai Hadas kvfree(in); 498979b20a6cSYishai Hadas return err; 499079b20a6cSYishai Hadas } 499179b20a6cSYishai Hadas 499279b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 499379b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 499479b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 499579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 499679b20a6cSYishai Hadas { 499779b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 499879b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 499979b20a6cSYishai Hadas return -EINVAL; 500079b20a6cSYishai Hadas 500179b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 500279b20a6cSYishai Hadas return -EINVAL; 500379b20a6cSYishai Hadas 500479b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 500579b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 50060dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 50070dfe4522SLeon Romanovsky return -EINVAL; 50080dfe4522SLeon Romanovsky 500979b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 501079b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 501179b20a6cSYishai Hadas return 0; 501279b20a6cSYishai Hadas } 501379b20a6cSYishai Hadas 5014c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 5015c16339b6SMark Zhang { 5016c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5017c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 5018c16339b6SMark Zhang return false; 5019c16339b6SMark Zhang 5020c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 5021c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 5022c16339b6SMark Zhang return false; 5023c16339b6SMark Zhang 5024c16339b6SMark Zhang return true; 5025c16339b6SMark Zhang } 5026c16339b6SMark Zhang 502779b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 502879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 502979b20a6cSYishai Hadas struct ib_udata *udata, 503079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 503179b20a6cSYishai Hadas { 503279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 503379b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 503479b20a6cSYishai Hadas int err; 503579b20a6cSYishai Hadas size_t required_cmd_sz; 503679b20a6cSYishai Hadas 503770c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_create_wq, 503870c1430fSLeon Romanovsky single_stride_log_num_of_bytes); 503979b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 504079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 504179b20a6cSYishai Hadas return -EINVAL; 504279b20a6cSYishai Hadas } 504379b20a6cSYishai Hadas 504479b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 504579b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 504679b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 504779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 504879b20a6cSYishai Hadas return -EOPNOTSUPP; 504979b20a6cSYishai Hadas } 505079b20a6cSYishai Hadas 505179b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 505279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 505379b20a6cSYishai Hadas return -EFAULT; 505479b20a6cSYishai Hadas } 505579b20a6cSYishai Hadas 5056ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 505779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 505879b20a6cSYishai Hadas return -EOPNOTSUPP; 5059ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5060ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5061ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 506279b20a6cSYishai Hadas return -EOPNOTSUPP; 506379b20a6cSYishai Hadas } 5064ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5065ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5066ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5067ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5068ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5069ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5070ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5071ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5072ccc87087SNoa Osherovich return -EINVAL; 5073ccc87087SNoa Osherovich } 5074c16339b6SMark Zhang if (!log_of_strides_valid(dev, 5075c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 5076c16339b6SMark Zhang mlx5_ib_dbg( 5077c16339b6SMark Zhang dev, 5078c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 5079ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5080c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 5081c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 5082ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5083ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5084ccc87087SNoa Osherovich return -EINVAL; 5085ccc87087SNoa Osherovich } 5086ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5087ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5088ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5089ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5090ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5091ccc87087SNoa Osherovich } 509279b20a6cSYishai Hadas 509379b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 509479b20a6cSYishai Hadas if (err) { 509579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 509679b20a6cSYishai Hadas return err; 509779b20a6cSYishai Hadas } 509879b20a6cSYishai Hadas 5099b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 510079b20a6cSYishai Hadas if (err) { 510179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 510279b20a6cSYishai Hadas return err; 510379b20a6cSYishai Hadas } 510479b20a6cSYishai Hadas 510579b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 510679b20a6cSYishai Hadas return 0; 510779b20a6cSYishai Hadas } 510879b20a6cSYishai Hadas 510979b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 511079b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 511179b20a6cSYishai Hadas struct ib_udata *udata) 511279b20a6cSYishai Hadas { 511379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 511479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 511579b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 511679b20a6cSYishai Hadas size_t min_resp_len; 511779b20a6cSYishai Hadas int err; 511879b20a6cSYishai Hadas 511979b20a6cSYishai Hadas if (!udata) 512079b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 512179b20a6cSYishai Hadas 512270c1430fSLeon Romanovsky min_resp_len = offsetofend(struct mlx5_ib_create_wq_resp, reserved); 512379b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 512479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 512579b20a6cSYishai Hadas 5126ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 5127ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 5128ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 5129ba80013fSMaor Gottlieb 513079b20a6cSYishai Hadas dev = to_mdev(pd->device); 513179b20a6cSYishai Hadas switch (init_attr->wq_type) { 513279b20a6cSYishai Hadas case IB_WQT_RQ: 513379b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 513479b20a6cSYishai Hadas if (!rwq) 513579b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 513679b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 513779b20a6cSYishai Hadas if (err) 513879b20a6cSYishai Hadas goto err; 513979b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 514079b20a6cSYishai Hadas if (err) 514179b20a6cSYishai Hadas goto err_user_rq; 514279b20a6cSYishai Hadas break; 514379b20a6cSYishai Hadas default: 514479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 514579b20a6cSYishai Hadas init_attr->wq_type); 514679b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 514779b20a6cSYishai Hadas } 514879b20a6cSYishai Hadas 5149350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 515079b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 515179b20a6cSYishai Hadas if (udata->outlen) { 515270c1430fSLeon Romanovsky resp.response_length = offsetofend( 515370c1430fSLeon Romanovsky struct mlx5_ib_create_wq_resp, response_length); 515479b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 515579b20a6cSYishai Hadas if (err) 515679b20a6cSYishai Hadas goto err_copy; 515779b20a6cSYishai Hadas } 515879b20a6cSYishai Hadas 5159350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5160350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 516179b20a6cSYishai Hadas return &rwq->ibwq; 516279b20a6cSYishai Hadas 516379b20a6cSYishai Hadas err_copy: 5164333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 516579b20a6cSYishai Hadas err_user_rq: 5166bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 516779b20a6cSYishai Hadas err: 516879b20a6cSYishai Hadas kfree(rwq); 516979b20a6cSYishai Hadas return ERR_PTR(err); 517079b20a6cSYishai Hadas } 517179b20a6cSYishai Hadas 5172add53535SLeon Romanovsky int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 517379b20a6cSYishai Hadas { 517479b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 517579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 5176add53535SLeon Romanovsky int ret; 517779b20a6cSYishai Hadas 5178add53535SLeon Romanovsky ret = mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 5179add53535SLeon Romanovsky if (ret) 5180add53535SLeon Romanovsky return ret; 5181bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 518279b20a6cSYishai Hadas kfree(rwq); 5183add53535SLeon Romanovsky return 0; 518479b20a6cSYishai Hadas } 518579b20a6cSYishai Hadas 5186c0a6b5ecSLeon Romanovsky int mlx5_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table, 5187c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5188c5f90929SYishai Hadas struct ib_udata *udata) 5189c5f90929SYishai Hadas { 5190c0a6b5ecSLeon Romanovsky struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = 5191c0a6b5ecSLeon Romanovsky to_mrwq_ind_table(ib_rwq_ind_table); 5192c0a6b5ecSLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_table->device); 5193c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5194c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5195c5f90929SYishai Hadas size_t min_resp_len; 5196c5f90929SYishai Hadas int inlen; 5197c5f90929SYishai Hadas int err; 5198c5f90929SYishai Hadas int i; 5199c5f90929SYishai Hadas u32 *in; 5200c5f90929SYishai Hadas void *rqtc; 5201c5f90929SYishai Hadas 5202c5f90929SYishai Hadas if (udata->inlen > 0 && 5203c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5204c5f90929SYishai Hadas udata->inlen)) 5205c0a6b5ecSLeon Romanovsky return -EOPNOTSUPP; 5206c5f90929SYishai Hadas 5207efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5208efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5209efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5210efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5211efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5212c0a6b5ecSLeon Romanovsky return -EINVAL; 5213efd7f400SMaor Gottlieb } 5214efd7f400SMaor Gottlieb 521570c1430fSLeon Romanovsky min_resp_len = 521670c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, reserved); 5217c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5218c0a6b5ecSLeon Romanovsky return -EINVAL; 5219c5f90929SYishai Hadas 5220c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 52211b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5222c0a6b5ecSLeon Romanovsky if (!in) 5223c0a6b5ecSLeon Romanovsky return -ENOMEM; 5224c5f90929SYishai Hadas 5225c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5226c5f90929SYishai Hadas 5227c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5228c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5229c5f90929SYishai Hadas 5230c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5231c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5232c5f90929SYishai Hadas 52335deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 52345deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 52355deba86eSYishai Hadas 5236c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5237c5f90929SYishai Hadas kvfree(in); 5238c5f90929SYishai Hadas if (err) 5239c0a6b5ecSLeon Romanovsky return err; 5240c5f90929SYishai Hadas 5241c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5242c5f90929SYishai Hadas if (udata->outlen) { 524370c1430fSLeon Romanovsky resp.response_length = 524470c1430fSLeon Romanovsky offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, 524570c1430fSLeon Romanovsky response_length); 5246c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5247c5f90929SYishai Hadas if (err) 5248c5f90929SYishai Hadas goto err_copy; 5249c5f90929SYishai Hadas } 5250c5f90929SYishai Hadas 5251c0a6b5ecSLeon Romanovsky return 0; 5252c5f90929SYishai Hadas 5253c5f90929SYishai Hadas err_copy: 52545deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5255c0a6b5ecSLeon Romanovsky return err; 5256c5f90929SYishai Hadas } 5257c5f90929SYishai Hadas 5258c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5259c5f90929SYishai Hadas { 5260c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5261c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5262c5f90929SYishai Hadas 5263c0a6b5ecSLeon Romanovsky return mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5264c5f90929SYishai Hadas } 5265c5f90929SYishai Hadas 526679b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 526779b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 526879b20a6cSYishai Hadas { 526979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 527079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 527179b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 527279b20a6cSYishai Hadas size_t required_cmd_sz; 527379b20a6cSYishai Hadas int curr_wq_state; 527479b20a6cSYishai Hadas int wq_state; 527579b20a6cSYishai Hadas int inlen; 527679b20a6cSYishai Hadas int err; 527779b20a6cSYishai Hadas void *rqc; 527879b20a6cSYishai Hadas void *in; 527979b20a6cSYishai Hadas 528070c1430fSLeon Romanovsky required_cmd_sz = offsetofend(struct mlx5_ib_modify_wq, reserved); 528179b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 528279b20a6cSYishai Hadas return -EINVAL; 528379b20a6cSYishai Hadas 528479b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 528579b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 528679b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 528779b20a6cSYishai Hadas return -EOPNOTSUPP; 528879b20a6cSYishai Hadas 528979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 529079b20a6cSYishai Hadas return -EFAULT; 529179b20a6cSYishai Hadas 529279b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 529379b20a6cSYishai Hadas return -EOPNOTSUPP; 529479b20a6cSYishai Hadas 529579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 52961b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 529779b20a6cSYishai Hadas if (!in) 529879b20a6cSYishai Hadas return -ENOMEM; 529979b20a6cSYishai Hadas 530079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 530179b20a6cSYishai Hadas 530279b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 530379b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 530479b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 530579b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 530679b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 530779b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 530879b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 530979b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 531079b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 531134d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 531279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 531379b20a6cSYishai Hadas 5314b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5315b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5316b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5317b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5318b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5319b1f74a84SNoa Osherovich "supported\n"); 5320b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5321b1f74a84SNoa Osherovich goto out; 5322b1f74a84SNoa Osherovich } 5323b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5324b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5325b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5326b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5327b1f74a84SNoa Osherovich } 5328b1383aa6SNoa Osherovich 5329b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5330b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5331b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5332b1383aa6SNoa Osherovich goto out; 5333b1383aa6SNoa Osherovich } 5334b1f74a84SNoa Osherovich } 5335b1f74a84SNoa Osherovich 533623a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 53373e1f000fSParav Pandit u16 set_id; 53383e1f000fSParav Pandit 53393e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 534023a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 534123a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 534223a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 53433e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 534423a6964eSMajd Dibbiny } else 53455a738b5dSJason Gunthorpe dev_info_once( 53465a738b5dSJason Gunthorpe &dev->ib_dev.dev, 53475a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 534823a6964eSMajd Dibbiny } 534923a6964eSMajd Dibbiny 5350e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 535179b20a6cSYishai Hadas if (!err) 535279b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 535379b20a6cSYishai Hadas 5354b1f74a84SNoa Osherovich out: 5355b1f74a84SNoa Osherovich kvfree(in); 535679b20a6cSYishai Hadas return err; 535779b20a6cSYishai Hadas } 5358d0e84c0aSYishai Hadas 5359d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 5360d0e84c0aSYishai Hadas struct ib_cqe cqe; 5361d0e84c0aSYishai Hadas struct completion done; 5362d0e84c0aSYishai Hadas }; 5363d0e84c0aSYishai Hadas 5364d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 5365d0e84c0aSYishai Hadas { 5366d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 5367d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 5368d0e84c0aSYishai Hadas cqe); 5369d0e84c0aSYishai Hadas 5370d0e84c0aSYishai Hadas complete(&cqe->done); 5371d0e84c0aSYishai Hadas } 5372d0e84c0aSYishai Hadas 5373d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 5374d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 5375d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 5376d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 5377d0e84c0aSYishai Hadas { 5378d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5379d0e84c0aSYishai Hadas 5380d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 5381d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 5382d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 5383d0e84c0aSYishai Hadas return; 5384d0e84c0aSYishai Hadas } 5385d0e84c0aSYishai Hadas 5386d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5387d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 5388d0e84c0aSYishai Hadas bool triggered = false; 5389d0e84c0aSYishai Hadas unsigned long flags; 5390d0e84c0aSYishai Hadas 5391d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 5392d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 5393d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 5394d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 5395d0e84c0aSYishai Hadas else 5396d0e84c0aSYishai Hadas triggered = true; 5397d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 5398d0e84c0aSYishai Hadas 5399d0e84c0aSYishai Hadas if (triggered) { 5400d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 5401d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 5402d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 5403d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 5404d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 5405d0e84c0aSYishai Hadas break; 5406d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 5407d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 5408d0e84c0aSYishai Hadas break; 5409d0e84c0aSYishai Hadas default: 5410d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 5411d0e84c0aSYishai Hadas } 5412d0e84c0aSYishai Hadas } 5413d0e84c0aSYishai Hadas 5414d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 5415d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 5416d0e84c0aSYishai Hadas */ 54174e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 5418d0e84c0aSYishai Hadas } 5419d0e84c0aSYishai Hadas 5420d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 5421d0e84c0aSYishai Hadas } 5422d0e84c0aSYishai Hadas 5423d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 5424d0e84c0aSYishai Hadas { 5425d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 5426d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5427d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 5428d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 5429d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 5430d0e84c0aSYishai Hadas .wr = { 5431d0e84c0aSYishai Hadas .next = NULL, 5432d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 5433d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 5434d0e84c0aSYishai Hadas }, 5435d0e84c0aSYishai Hadas }; 5436d0e84c0aSYishai Hadas int ret; 5437d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5438d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5439d0e84c0aSYishai Hadas 5440d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5441d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5442d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5443d0e84c0aSYishai Hadas return; 5444d0e84c0aSYishai Hadas } 5445d0e84c0aSYishai Hadas 5446d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 5447d0e84c0aSYishai Hadas init_completion(&sdrain.done); 5448d0e84c0aSYishai Hadas 5449029e88fdSLeon Romanovsky ret = mlx5_ib_post_send_drain(qp, &swr.wr, &bad_swr); 5450d0e84c0aSYishai Hadas if (ret) { 5451d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5452d0e84c0aSYishai Hadas return; 5453d0e84c0aSYishai Hadas } 5454d0e84c0aSYishai Hadas 5455d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 5456d0e84c0aSYishai Hadas } 5457d0e84c0aSYishai Hadas 5458d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 5459d0e84c0aSYishai Hadas { 5460d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 5461d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5462d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 5463d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 5464d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 5465d0e84c0aSYishai Hadas int ret; 5466d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5467d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5468d0e84c0aSYishai Hadas 5469d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5470d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5471d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5472d0e84c0aSYishai Hadas return; 5473d0e84c0aSYishai Hadas } 5474d0e84c0aSYishai Hadas 5475d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 5476d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 5477d0e84c0aSYishai Hadas init_completion(&rdrain.done); 5478d0e84c0aSYishai Hadas 5479029e88fdSLeon Romanovsky ret = mlx5_ib_post_recv_drain(qp, &rwr, &bad_rwr); 5480d0e84c0aSYishai Hadas if (ret) { 5481d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5482d0e84c0aSYishai Hadas return; 5483d0e84c0aSYishai Hadas } 5484d0e84c0aSYishai Hadas 5485d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 5486d0e84c0aSYishai Hadas } 5487d14133ddSMark Zhang 548830cd9fc5SLee Jones /* 5489d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 5490d14133ddSMark Zhang * the default counter 5491d14133ddSMark Zhang */ 5492d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 5493d14133ddSMark Zhang { 549410189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 5495d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 5496d14133ddSMark Zhang int err = 0; 5497d14133ddSMark Zhang 5498d14133ddSMark Zhang mutex_lock(&mqp->mutex); 5499d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 5500d14133ddSMark Zhang qp->counter = counter; 5501d14133ddSMark Zhang goto out; 5502d14133ddSMark Zhang } 5503d14133ddSMark Zhang 550410189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 550510189e8eSMark Zhang err = -EOPNOTSUPP; 550610189e8eSMark Zhang goto out; 550710189e8eSMark Zhang } 550810189e8eSMark Zhang 5509d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 5510d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 5511d14133ddSMark Zhang if (!err) 5512d14133ddSMark Zhang qp->counter = counter; 5513d14133ddSMark Zhang 5514d14133ddSMark Zhang goto out; 5515d14133ddSMark Zhang } 5516d14133ddSMark Zhang 5517d14133ddSMark Zhang mqp->counter_pending = 1; 5518d14133ddSMark Zhang qp->counter = counter; 5519d14133ddSMark Zhang 5520d14133ddSMark Zhang out: 5521d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 5522d14133ddSMark Zhang return err; 5523d14133ddSMark Zhang } 5524