1e126ba97SEli Cohen /* 26cf0a15fSSaeed Mahameed * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3e126ba97SEli Cohen * 4e126ba97SEli Cohen * This software is available to you under a choice of one of two 5e126ba97SEli Cohen * licenses. You may choose to be licensed under the terms of the GNU 6e126ba97SEli Cohen * General Public License (GPL) Version 2, available from the file 7e126ba97SEli Cohen * COPYING in the main directory of this source tree, or the 8e126ba97SEli Cohen * OpenIB.org BSD license below: 9e126ba97SEli Cohen * 10e126ba97SEli Cohen * Redistribution and use in source and binary forms, with or 11e126ba97SEli Cohen * without modification, are permitted provided that the following 12e126ba97SEli Cohen * conditions are met: 13e126ba97SEli Cohen * 14e126ba97SEli Cohen * - Redistributions of source code must retain the above 15e126ba97SEli Cohen * copyright notice, this list of conditions and the following 16e126ba97SEli Cohen * disclaimer. 17e126ba97SEli Cohen * 18e126ba97SEli Cohen * - Redistributions in binary form must reproduce the above 19e126ba97SEli Cohen * copyright notice, this list of conditions and the following 20e126ba97SEli Cohen * disclaimer in the documentation and/or other materials 21e126ba97SEli Cohen * provided with the distribution. 22e126ba97SEli Cohen * 23e126ba97SEli Cohen * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e126ba97SEli Cohen * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e126ba97SEli Cohen * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e126ba97SEli Cohen * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e126ba97SEli Cohen * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e126ba97SEli Cohen * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e126ba97SEli Cohen * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e126ba97SEli Cohen * SOFTWARE. 31e126ba97SEli Cohen */ 32e126ba97SEli Cohen 33e126ba97SEli Cohen #include <linux/module.h> 34e126ba97SEli Cohen #include <rdma/ib_umem.h> 352811ba51SAchiad Shochat #include <rdma/ib_cache.h> 36cfb5e088SHaggai Abramovsky #include <rdma/ib_user_verbs.h> 37d14133ddSMark Zhang #include <rdma/rdma_counter.h> 38c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 39e126ba97SEli Cohen #include "mlx5_ib.h" 40b96c9ddeSMark Bloch #include "ib_rep.h" 4164825827SLeon Romanovsky #include "counters.h" 42443c1cf9SYishai Hadas #include "cmd.h" 43333fbaa0SLeon Romanovsky #include "qp.h" 44029e88fdSLeon Romanovsky #include "wr.h" 45e126ba97SEli Cohen 46e126ba97SEli Cohen enum { 47e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 48e126ba97SEli Cohen }; 49e126ba97SEli Cohen 50e126ba97SEli Cohen enum { 51e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 52e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 54e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 55e126ba97SEli Cohen }; 56e126ba97SEli Cohen 57eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 58eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 597d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 60eb49ab0cSAlex Vesker }; 61eb49ab0cSAlex Vesker 620680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 630680efa2SAlex Vesker u16 operation; 64eb49ab0cSAlex Vesker 65eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 6661147f39SBodong Wang 6761147f39SBodong Wang struct mlx5_rate_limit rl; 6861147f39SBodong Wang 69eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 701fb7f897SMark Bloch u32 port; 710680efa2SAlex Vesker }; 720680efa2SAlex Vesker 7389ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 7489ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 7589ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 7689ea94a7SMaor Gottlieb 77e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 78e126ba97SEli Cohen { 79e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 80e126ba97SEli Cohen } 81e126ba97SEli Cohen 82e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 83e126ba97SEli Cohen { 84e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 85e126ba97SEli Cohen } 86e126ba97SEli Cohen 87c1395a2aSHaggai Eran /** 88fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 89fbeb4075SMoni Shoua * to kernel buffer 90c1395a2aSHaggai Eran * 91fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 92fbeb4075SMoni Shoua * @buffer: buffer to copy to 93fbeb4075SMoni Shoua * @buflen: buffer length 94fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 95fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 96fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 97fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 98fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 99fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 100c1395a2aSHaggai Eran * 101fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 102fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 103c1395a2aSHaggai Eran * 104fbeb4075SMoni Shoua * Return: zero on success, or an error code. 105c1395a2aSHaggai Eran */ 106da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 107da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 108da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 109da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 110fbeb4075SMoni Shoua size_t *bytes_copied) 111c1395a2aSHaggai Eran { 112fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 113fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 114fbeb4075SMoni Shoua size_t copy_length; 115c1395a2aSHaggai Eran int ret; 116c1395a2aSHaggai Eran 117fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 118fbeb4075SMoni Shoua * beyond WQ end 119fbeb4075SMoni Shoua */ 120fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 121fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 122c1395a2aSHaggai Eran 123fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 124c1395a2aSHaggai Eran if (ret) 125c1395a2aSHaggai Eran return ret; 126c1395a2aSHaggai Eran 127fbeb4075SMoni Shoua if (!ret && bytes_copied) 128fbeb4075SMoni Shoua *bytes_copied = copy_length; 129c1395a2aSHaggai Eran 130fbeb4075SMoni Shoua return 0; 131fbeb4075SMoni Shoua } 132fbeb4075SMoni Shoua 133da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 134da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 135da9ee9d8SMoni Shoua { 136da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 137da9ee9d8SMoni Shoua size_t bytes_copied = 0; 138da9ee9d8SMoni Shoua size_t wqe_length; 139da9ee9d8SMoni Shoua void *p; 140da9ee9d8SMoni Shoua int ds; 141da9ee9d8SMoni Shoua 142da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 143da9ee9d8SMoni Shoua 144da9ee9d8SMoni Shoua /* read the control segment first */ 145da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 146da9ee9d8SMoni Shoua ctrl = p; 147da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 148da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 149da9ee9d8SMoni Shoua 150da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 151da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 152da9ee9d8SMoni Shoua size_t copy_length = 153da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 154da9ee9d8SMoni Shoua 155da9ee9d8SMoni Shoua if (!copy_length) 156da9ee9d8SMoni Shoua break; 157da9ee9d8SMoni Shoua 158da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 159da9ee9d8SMoni Shoua bytes_copied += copy_length; 160da9ee9d8SMoni Shoua 161da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 162da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 163da9ee9d8SMoni Shoua } 164da9ee9d8SMoni Shoua *bc = bytes_copied; 165da9ee9d8SMoni Shoua return 0; 166da9ee9d8SMoni Shoua } 167da9ee9d8SMoni Shoua 168da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 169da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 170fbeb4075SMoni Shoua { 171fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 172fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 173fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 174fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 175fbeb4075SMoni Shoua size_t bytes_copied; 176fbeb4075SMoni Shoua size_t bytes_copied2; 177fbeb4075SMoni Shoua size_t wqe_length; 178fbeb4075SMoni Shoua int ret; 179fbeb4075SMoni Shoua int ds; 180fbeb4075SMoni Shoua 181fbeb4075SMoni Shoua /* at first read as much as possible */ 182da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 183da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 184da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 185fbeb4075SMoni Shoua &bytes_copied); 186fbeb4075SMoni Shoua if (ret) 187fbeb4075SMoni Shoua return ret; 188fbeb4075SMoni Shoua 189fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 190fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 191fbeb4075SMoni Shoua return -EINVAL; 192fbeb4075SMoni Shoua 193fbeb4075SMoni Shoua ctrl = buffer; 194fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 195c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 196fbeb4075SMoni Shoua 197fbeb4075SMoni Shoua /* if we copied enough then we are done */ 198fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 199fbeb4075SMoni Shoua *bc = bytes_copied; 200fbeb4075SMoni Shoua return 0; 201c1395a2aSHaggai Eran } 202c1395a2aSHaggai Eran 203fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 204fbeb4075SMoni Shoua * so read the remaining bytes starting 205fbeb4075SMoni Shoua * from wqe_index 0 206fbeb4075SMoni Shoua */ 207da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 208da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 209da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 210fbeb4075SMoni Shoua wqe_length - bytes_copied, 211fbeb4075SMoni Shoua &bytes_copied2); 212c1395a2aSHaggai Eran 213c1395a2aSHaggai Eran if (ret) 214c1395a2aSHaggai Eran return ret; 215fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 216fbeb4075SMoni Shoua return 0; 217fbeb4075SMoni Shoua } 218c1395a2aSHaggai Eran 219da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 220da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 221da9ee9d8SMoni Shoua { 222da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 223da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 224da9ee9d8SMoni Shoua 225da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 226da9ee9d8SMoni Shoua return -EINVAL; 227da9ee9d8SMoni Shoua 228da9ee9d8SMoni Shoua if (!umem) 229da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 230da9ee9d8SMoni Shoua buflen, bc); 231da9ee9d8SMoni Shoua 232da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 233da9ee9d8SMoni Shoua } 234da9ee9d8SMoni Shoua 235da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 236da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 237fbeb4075SMoni Shoua { 238fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 239fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 240fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 241fbeb4075SMoni Shoua size_t bytes_copied; 242fbeb4075SMoni Shoua int ret; 243fbeb4075SMoni Shoua 244da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 245da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 246da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 247fbeb4075SMoni Shoua &bytes_copied); 248fbeb4075SMoni Shoua 249fbeb4075SMoni Shoua if (ret) 250fbeb4075SMoni Shoua return ret; 251fbeb4075SMoni Shoua *bc = bytes_copied; 252fbeb4075SMoni Shoua return 0; 253fbeb4075SMoni Shoua } 254fbeb4075SMoni Shoua 255da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 256da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 257da9ee9d8SMoni Shoua { 258da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 259da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 260da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 261da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 262da9ee9d8SMoni Shoua 263da9ee9d8SMoni Shoua if (buflen < wqe_size) 264da9ee9d8SMoni Shoua return -EINVAL; 265da9ee9d8SMoni Shoua 266da9ee9d8SMoni Shoua if (!umem) 267da9ee9d8SMoni Shoua return -EOPNOTSUPP; 268da9ee9d8SMoni Shoua 269da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 270da9ee9d8SMoni Shoua } 271da9ee9d8SMoni Shoua 272da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 273da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 274fbeb4075SMoni Shoua { 275fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 276fbeb4075SMoni Shoua size_t bytes_copied; 277fbeb4075SMoni Shoua int ret; 278fbeb4075SMoni Shoua 279da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 280da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 281da9ee9d8SMoni Shoua buflen, &bytes_copied); 282fbeb4075SMoni Shoua 283fbeb4075SMoni Shoua if (ret) 284fbeb4075SMoni Shoua return ret; 285fbeb4075SMoni Shoua *bc = bytes_copied; 286fbeb4075SMoni Shoua return 0; 287c1395a2aSHaggai Eran } 288c1395a2aSHaggai Eran 289da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 290da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 291da9ee9d8SMoni Shoua { 292da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 293da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 294da9ee9d8SMoni Shoua 295da9ee9d8SMoni Shoua if (buflen < wqe_size) 296da9ee9d8SMoni Shoua return -EINVAL; 297da9ee9d8SMoni Shoua 298da9ee9d8SMoni Shoua if (!umem) 299da9ee9d8SMoni Shoua return -EOPNOTSUPP; 300da9ee9d8SMoni Shoua 301da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 302da9ee9d8SMoni Shoua } 303da9ee9d8SMoni Shoua 304e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 305e126ba97SEli Cohen { 306e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 307e126ba97SEli Cohen struct ib_event event; 308e126ba97SEli Cohen 30919098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 31019098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 31119098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 31219098df2Smajd@mellanox.com } 313e126ba97SEli Cohen 314e126ba97SEli Cohen if (ibqp->event_handler) { 315e126ba97SEli Cohen event.device = ibqp->device; 316e126ba97SEli Cohen event.element.qp = ibqp; 317e126ba97SEli Cohen switch (type) { 318e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 319e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 322e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 323e126ba97SEli Cohen break; 324e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 325e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 326e126ba97SEli Cohen break; 327e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 328e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 329e126ba97SEli Cohen break; 330e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 331e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 332e126ba97SEli Cohen break; 333e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 334e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 335e126ba97SEli Cohen break; 336e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 337e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 338e126ba97SEli Cohen break; 339e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 340e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 341e126ba97SEli Cohen break; 342e126ba97SEli Cohen default: 343e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 344e126ba97SEli Cohen return; 345e126ba97SEli Cohen } 346e126ba97SEli Cohen 347e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 348e126ba97SEli Cohen } 349e126ba97SEli Cohen } 350e126ba97SEli Cohen 351e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 352e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 353e126ba97SEli Cohen { 354e126ba97SEli Cohen int wqe_size; 355e126ba97SEli Cohen int wq_size; 356e126ba97SEli Cohen 357e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 358938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 359e126ba97SEli Cohen return -EINVAL; 360e126ba97SEli Cohen 361e126ba97SEli Cohen if (!has_rq) { 362e126ba97SEli Cohen qp->rq.max_gs = 0; 363e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 364e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3650540d814SNoa Osherovich cap->max_recv_wr = 0; 3660540d814SNoa Osherovich cap->max_recv_sge = 0; 367e126ba97SEli Cohen } else { 368c95e6d53SLeon Romanovsky int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); 369c95e6d53SLeon Romanovsky 370e126ba97SEli Cohen if (ucmd) { 371e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 372002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 373002bf228SLeon Romanovsky return -EINVAL; 374e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 375c95e6d53SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / 376c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) < 377c95e6d53SLeon Romanovsky wq_sig) 378002bf228SLeon Romanovsky return -EINVAL; 379c95e6d53SLeon Romanovsky qp->rq.max_gs = 380c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 381c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 382c95e6d53SLeon Romanovsky wq_sig; 383e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 384e126ba97SEli Cohen } else { 385c95e6d53SLeon Romanovsky wqe_size = 386c95e6d53SLeon Romanovsky wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 387c95e6d53SLeon Romanovsky 0; 388e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 389e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 390e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 391e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 392e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 393938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 394e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 395e126ba97SEli Cohen wqe_size, 396938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 397938fe83cSSaeed Mahameed max_wqe_sz_rq)); 398e126ba97SEli Cohen return -EINVAL; 399e126ba97SEli Cohen } 400e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 401c95e6d53SLeon Romanovsky qp->rq.max_gs = 402c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 403c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 404c95e6d53SLeon Romanovsky wq_sig; 405e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 406e126ba97SEli Cohen } 407e126ba97SEli Cohen } 408e126ba97SEli Cohen 409e126ba97SEli Cohen return 0; 410e126ba97SEli Cohen } 411e126ba97SEli Cohen 412f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 413e126ba97SEli Cohen { 414618af384SAndi Shyti int size = 0; 415e126ba97SEli Cohen 416f0313965SErez Shitrit switch (attr->qp_type) { 417e126ba97SEli Cohen case IB_QPT_XRC_INI: 418b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 419df561f66SGustavo A. R. Silva fallthrough; 420e126ba97SEli Cohen case IB_QPT_RC: 421e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 42275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 42375c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 42475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 425064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 426064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 427064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 428e126ba97SEli Cohen break; 429e126ba97SEli Cohen 430b125a54bSEli Cohen case IB_QPT_XRC_TGT: 431b125a54bSEli Cohen return 0; 432b125a54bSEli Cohen 433e126ba97SEli Cohen case IB_QPT_UC: 434b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4369e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 43775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 438e126ba97SEli Cohen break; 439e126ba97SEli Cohen 440e126ba97SEli Cohen case IB_QPT_UD: 441f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 442f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 443f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 444df561f66SGustavo A. R. Silva fallthrough; 445e126ba97SEli Cohen case IB_QPT_SMI: 446d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 447b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 448e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 449e126ba97SEli Cohen break; 450e126ba97SEli Cohen 451e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 452b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 453e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 454e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 455e126ba97SEli Cohen break; 456e126ba97SEli Cohen 457e126ba97SEli Cohen default: 458e126ba97SEli Cohen return -EINVAL; 459e126ba97SEli Cohen } 460e126ba97SEli Cohen 461e126ba97SEli Cohen return size; 462e126ba97SEli Cohen } 463e126ba97SEli Cohen 464e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 465e126ba97SEli Cohen { 466e126ba97SEli Cohen int inl_size = 0; 467e126ba97SEli Cohen int size; 468e126ba97SEli Cohen 469f0313965SErez Shitrit size = sq_overhead(attr); 470e126ba97SEli Cohen if (size < 0) 471e126ba97SEli Cohen return size; 472e126ba97SEli Cohen 473e126ba97SEli Cohen if (attr->cap.max_inline_data) { 474e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 475e126ba97SEli Cohen attr->cap.max_inline_data; 476e126ba97SEli Cohen } 477e126ba97SEli Cohen 478e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 479c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 480e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 481e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 482e1e66cc2SSagi Grimberg else 483e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 484e126ba97SEli Cohen } 485e126ba97SEli Cohen 486288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 487288c01b7SEli Cohen { 488288c01b7SEli Cohen int max_sge; 489288c01b7SEli Cohen 490288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 491288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 492288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 493288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 494288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 495288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 496288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 497288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 498288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 499288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 500288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 501288c01b7SEli Cohen else 502288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 503288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 504288c01b7SEli Cohen 505288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 506288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 507288c01b7SEli Cohen } 508288c01b7SEli Cohen 509e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 510e126ba97SEli Cohen struct mlx5_ib_qp *qp) 511e126ba97SEli Cohen { 512e126ba97SEli Cohen int wqe_size; 513e126ba97SEli Cohen int wq_size; 514e126ba97SEli Cohen 515e126ba97SEli Cohen if (!attr->cap.max_send_wr) 516e126ba97SEli Cohen return 0; 517e126ba97SEli Cohen 518e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 519e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 520e126ba97SEli Cohen if (wqe_size < 0) 521e126ba97SEli Cohen return wqe_size; 522e126ba97SEli Cohen 523938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 524b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 525938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 526e126ba97SEli Cohen return -EINVAL; 527e126ba97SEli Cohen } 528e126ba97SEli Cohen 529f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 530e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 531e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 532e126ba97SEli Cohen 533e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 534e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 535938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5361974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5371974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 538938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 539938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 540b125a54bSEli Cohen return -ENOMEM; 541b125a54bSEli Cohen } 542e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 543288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 544288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 545288c01b7SEli Cohen return -ENOMEM; 546288c01b7SEli Cohen 547288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 548b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 549b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 550e126ba97SEli Cohen 551e126ba97SEli Cohen return wq_size; 552e126ba97SEli Cohen } 553e126ba97SEli Cohen 554e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 555e126ba97SEli Cohen struct mlx5_ib_qp *qp, 55619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5570fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 559e126ba97SEli Cohen { 560e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 561e126ba97SEli Cohen 562938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 563e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 564938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 565e126ba97SEli Cohen return -EINVAL; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 569af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 570af8b38edSGal Pressman ucmd->sq_wqe_count); 571e126ba97SEli Cohen return -EINVAL; 572e126ba97SEli Cohen } 573e126ba97SEli Cohen 574e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 575e126ba97SEli Cohen 576938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 577e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 578938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 579938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 580e126ba97SEli Cohen return -EINVAL; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5842be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 5850fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5860fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5870fb2ed66Smajd@mellanox.com } else { 58819098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 589e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5900fb2ed66Smajd@mellanox.com } 591e126ba97SEli Cohen 592e126ba97SEli Cohen return 0; 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 598e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 599e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 600e126ba97SEli Cohen !attr->cap.max_recv_wr) 601e126ba97SEli Cohen return 0; 602e126ba97SEli Cohen 603e126ba97SEli Cohen return 1; 604e126ba97SEli Cohen } 605e126ba97SEli Cohen 6060b80c14fSEli Cohen enum { 6070b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6080b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6090b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6100b80c14fSEli Cohen * "odd/even" order 6110b80c14fSEli Cohen */ 6120b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6130b80c14fSEli Cohen }; 6140b80c14fSEli Cohen 615b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 616b037c29aSEli Cohen { 61731a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 618b037c29aSEli Cohen } 619b037c29aSEli Cohen 620b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 621b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 622c1be5232SEli Cohen { 623c1be5232SEli Cohen int n; 624c1be5232SEli Cohen 625b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 626b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 627c1be5232SEli Cohen 628c1be5232SEli Cohen return n >= 0 ? n : 0; 629c1be5232SEli Cohen } 630c1be5232SEli Cohen 63118b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 63218b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 63318b0362eSYishai Hadas { 63418b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 63518b0362eSYishai Hadas } 63618b0362eSYishai Hadas 637b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 638b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 639c1be5232SEli Cohen { 640c1be5232SEli Cohen int med; 641c1be5232SEli Cohen 642b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 643b037c29aSEli Cohen return ++med; 644c1be5232SEli Cohen } 645c1be5232SEli Cohen 646b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 647b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 648e126ba97SEli Cohen { 649e126ba97SEli Cohen int i; 650e126ba97SEli Cohen 651b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 652b037c29aSEli Cohen if (!bfregi->count[i]) { 6532f5ff264SEli Cohen bfregi->count[i]++; 654e126ba97SEli Cohen return i; 655e126ba97SEli Cohen } 656e126ba97SEli Cohen } 657e126ba97SEli Cohen 658e126ba97SEli Cohen return -ENOMEM; 659e126ba97SEli Cohen } 660e126ba97SEli Cohen 661b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663e126ba97SEli Cohen { 66418b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 665e126ba97SEli Cohen int i; 666e126ba97SEli Cohen 66718b0362eSYishai Hadas if (minidx < 0) 66818b0362eSYishai Hadas return minidx; 66918b0362eSYishai Hadas 67018b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6712f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 672e126ba97SEli Cohen minidx = i; 6730b80c14fSEli Cohen if (!bfregi->count[minidx]) 6740b80c14fSEli Cohen break; 675e126ba97SEli Cohen } 676e126ba97SEli Cohen 6772f5ff264SEli Cohen bfregi->count[minidx]++; 678e126ba97SEli Cohen return minidx; 679e126ba97SEli Cohen } 680e126ba97SEli Cohen 681b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 682ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 683e126ba97SEli Cohen { 684ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 685e126ba97SEli Cohen 6860a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 6870a2fd01cSYishai Hadas return -EINVAL; 6880a2fd01cSYishai Hadas 6892f5ff264SEli Cohen mutex_lock(&bfregi->lock); 690ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 691ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 692ffaf58deSLeon Romanovsky if (bfregn < 0) 693ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 694ffaf58deSLeon Romanovsky } 695ffaf58deSLeon Romanovsky 696ffaf58deSLeon Romanovsky if (bfregn < 0) { 6970b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6982f5ff264SEli Cohen bfregn = 0; 6992f5ff264SEli Cohen bfregi->count[bfregn]++; 700e126ba97SEli Cohen } 7012f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 702e126ba97SEli Cohen 7032f5ff264SEli Cohen return bfregn; 704e126ba97SEli Cohen } 705e126ba97SEli Cohen 7064ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 707e126ba97SEli Cohen { 7082f5ff264SEli Cohen mutex_lock(&bfregi->lock); 709b037c29aSEli Cohen bfregi->count[bfregn]--; 7102f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 711e126ba97SEli Cohen } 712e126ba97SEli Cohen 713e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 714e126ba97SEli Cohen { 715e126ba97SEli Cohen switch (state) { 716e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 717e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 718e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 719e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 720e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 721e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 722e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 723e126ba97SEli Cohen default: return -1; 724e126ba97SEli Cohen } 725e126ba97SEli Cohen } 726e126ba97SEli Cohen 727e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 728e126ba97SEli Cohen { 729e126ba97SEli Cohen switch (type) { 730e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 731e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 732e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 733e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 734e126ba97SEli Cohen case IB_QPT_XRC_INI: 735e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 736e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 737d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 738c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 7393ae7e66aSLeon Romanovsky case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; 740e126ba97SEli Cohen default: return -EINVAL; 741e126ba97SEli Cohen } 742e126ba97SEli Cohen } 743e126ba97SEli Cohen 74489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 74589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 74789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74889ea94a7SMaor Gottlieb 7497c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 75005f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7511ee47ab3SYishai Hadas bool dyn_bfreg) 752e126ba97SEli Cohen { 75305f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 75405f58cebSLeon Romanovsky u32 index_of_sys_page; 75505f58cebSLeon Romanovsky u32 offset; 756b037c29aSEli Cohen 7570a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7580a2fd01cSYishai Hadas return -EINVAL; 7590a2fd01cSYishai Hadas 760b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 761b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 762b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 763b037c29aSEli Cohen 76405f58cebSLeon Romanovsky if (dyn_bfreg) { 76505f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 76605f58cebSLeon Romanovsky 7677c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7687c043e90SYishai Hadas return -EINVAL; 7697c043e90SYishai Hadas 7701ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7711ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7721ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7731ee47ab3SYishai Hadas return -EINVAL; 7741ee47ab3SYishai Hadas } 7751ee47ab3SYishai Hadas } 776b037c29aSEli Cohen 7771ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 778b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 779e126ba97SEli Cohen } 780e126ba97SEli Cohen 781fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 782bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78379b20a6cSYishai Hadas { 784bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 785bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 786bdeacabdSShamir Rabinovitch udata, 787bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 788bdeacabdSShamir Rabinovitch ibucontext); 78979b20a6cSYishai Hadas 790fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 791fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 792fe248c3aSMaor Gottlieb 79379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79579b20a6cSYishai Hadas } 79679b20a6cSYishai Hadas 79779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 798b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 80079b20a6cSYishai Hadas { 80189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 80289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 803ad480ea5SJason Gunthorpe unsigned long page_size = 0; 80479b20a6cSYishai Hadas u32 offset = 0; 80579b20a6cSYishai Hadas int err; 80679b20a6cSYishai Hadas 80779b20a6cSYishai Hadas if (!ucmd->buf_addr) 80879b20a6cSYishai Hadas return -EINVAL; 80979b20a6cSYishai Hadas 810c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 81179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81479b20a6cSYishai Hadas return err; 81579b20a6cSYishai Hadas } 81679b20a6cSYishai Hadas 817ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 818ad480ea5SJason Gunthorpe rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 819ad480ea5SJason Gunthorpe page_offset, 64, &rwq->rq_page_offset); 820ad480ea5SJason Gunthorpe if (!page_size) { 82179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 822ad480ea5SJason Gunthorpe err = -EINVAL; 82379b20a6cSYishai Hadas goto err_umem; 82479b20a6cSYishai Hadas } 82579b20a6cSYishai Hadas 826ad480ea5SJason Gunthorpe rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); 827ad480ea5SJason Gunthorpe rwq->page_shift = order_base_2(page_size); 828ad480ea5SJason Gunthorpe rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT; 82979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 83079b20a6cSYishai Hadas 831f8fb3110SJason Gunthorpe mlx5_ib_dbg( 832f8fb3110SJason Gunthorpe dev, 833ad480ea5SJason Gunthorpe "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", 83479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 835ad480ea5SJason Gunthorpe ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, 836f8fb3110SJason Gunthorpe offset); 83779b20a6cSYishai Hadas 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); 10818256c69bSMaor Gottlieb MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); 108209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 108309a7d9ecSSaeed Mahameed 1084e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 108509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 108609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1087e126ba97SEli Cohen 10882978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 108909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1090b11a4f9cSHaggai Eran 109134f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 109234f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 109334f4c955SGuy Levi *in, pas)); 1094e126ba97SEli Cohen 10959603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1096e126ba97SEli Cohen if (err) { 1097e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1098e126ba97SEli Cohen goto err_free; 1099e126ba97SEli Cohen } 1100e126ba97SEli Cohen 1101b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1102b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1103b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1104b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1105b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1106b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1107b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1108b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1109b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1110b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1111e126ba97SEli Cohen 1112e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1113e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1114e126ba97SEli Cohen err = -ENOMEM; 1115e126ba97SEli Cohen goto err_wrid; 1116e126ba97SEli Cohen } 1117e126ba97SEli Cohen 1118e126ba97SEli Cohen return 0; 1119e126ba97SEli Cohen 1120e126ba97SEli Cohen err_wrid: 1121b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1122b5883008SLi Dongyang kvfree(qp->sq.w_list); 1123b5883008SLi Dongyang kvfree(qp->sq.wrid); 1124b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1125b5883008SLi Dongyang kvfree(qp->rq.wrid); 1126f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1127e126ba97SEli Cohen 1128e126ba97SEli Cohen err_free: 1129479163f4SAl Viro kvfree(*in); 1130e126ba97SEli Cohen 1131e126ba97SEli Cohen err_buf: 113234f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1133e126ba97SEli Cohen return err; 1134e126ba97SEli Cohen } 1135e126ba97SEli Cohen 113609a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1137e126ba97SEli Cohen { 11387aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11397aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 114009a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1141e126ba97SEli Cohen else if (!qp->has_rq) 114209a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11437aede1a2SLeon Romanovsky 114409a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1145e126ba97SEli Cohen } 1146e126ba97SEli Cohen 11470fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1148c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11491cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11501cd6dbd3SYishai Hadas struct ib_pd *pd) 11510fb2ed66Smajd@mellanox.com { 1152e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11530fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11540fb2ed66Smajd@mellanox.com 11551cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11560fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11572be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1158c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1159c2e53b2cSYishai Hadas 1160e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11610fb2ed66Smajd@mellanox.com } 11620fb2ed66Smajd@mellanox.com 11630fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11641cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11650fb2ed66Smajd@mellanox.com { 11661cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11670fb2ed66Smajd@mellanox.com } 11680fb2ed66Smajd@mellanox.com 1169d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1170b96c9ddeSMark Bloch { 1171b96c9ddeSMark Bloch if (sq->flow_rule) 1172b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1173d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1174b96c9ddeSMark Bloch } 1175b96c9ddeSMark Bloch 1176*9a1ac95aSAharon Landau static bool fr_supported(int ts_cap) 11772fe8d4b8SAharon Landau { 1178*9a1ac95aSAharon Landau return ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || 1179*9a1ac95aSAharon Landau ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; 1180*9a1ac95aSAharon Landau } 11812fe8d4b8SAharon Landau 1182*9a1ac95aSAharon Landau static int get_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, 1183*9a1ac95aSAharon Landau bool fr_sup) 1184*9a1ac95aSAharon Landau { 1185*9a1ac95aSAharon Landau if (cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) { 1186*9a1ac95aSAharon Landau if (!fr_sup) { 1187*9a1ac95aSAharon Landau mlx5_ib_dbg(dev, 1188*9a1ac95aSAharon Landau "Free running TS format is not supported\n"); 11892fe8d4b8SAharon Landau return -EOPNOTSUPP; 11902fe8d4b8SAharon Landau } 1191*9a1ac95aSAharon Landau return MLX5_TIMESTAMP_FORMAT_FREE_RUNNING; 11922fe8d4b8SAharon Landau } 1193*9a1ac95aSAharon Landau return fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : 1194*9a1ac95aSAharon Landau MLX5_TIMESTAMP_FORMAT_DEFAULT; 1195*9a1ac95aSAharon Landau } 1196*9a1ac95aSAharon Landau 1197*9a1ac95aSAharon Landau static int get_rq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *recv_cq) 1198*9a1ac95aSAharon Landau { 1199*9a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_GEN(dev->mdev, rq_ts_format); 1200*9a1ac95aSAharon Landau 1201*9a1ac95aSAharon Landau return get_ts_format(dev, recv_cq, fr_supported(ts_cap)); 12022fe8d4b8SAharon Landau } 12032fe8d4b8SAharon Landau 12042fe8d4b8SAharon Landau static int get_sq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq) 12052fe8d4b8SAharon Landau { 1206*9a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_GEN(dev->mdev, sq_ts_format); 12072fe8d4b8SAharon Landau 1208*9a1ac95aSAharon Landau return get_ts_format(dev, send_cq, fr_supported(ts_cap)); 12092fe8d4b8SAharon Landau } 12102fe8d4b8SAharon Landau 12112fe8d4b8SAharon Landau static int get_qp_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq, 12122fe8d4b8SAharon Landau struct mlx5_ib_cq *recv_cq) 12132fe8d4b8SAharon Landau { 1214*9a1ac95aSAharon Landau u8 ts_cap = MLX5_CAP_ROCE(dev->mdev, qp_ts_format); 1215*9a1ac95aSAharon Landau bool fr_sup = fr_supported(ts_cap); 1216*9a1ac95aSAharon Landau u8 default_ts = fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : 1217*9a1ac95aSAharon Landau MLX5_TIMESTAMP_FORMAT_DEFAULT; 1218*9a1ac95aSAharon Landau int send_ts_format = 1219*9a1ac95aSAharon Landau send_cq ? get_ts_format(dev, send_cq, fr_sup) : 1220*9a1ac95aSAharon Landau default_ts; 1221*9a1ac95aSAharon Landau int recv_ts_format = 1222*9a1ac95aSAharon Landau recv_cq ? get_ts_format(dev, recv_cq, fr_sup) : 1223*9a1ac95aSAharon Landau default_ts; 12242fe8d4b8SAharon Landau 1225*9a1ac95aSAharon Landau if (send_ts_format < 0 || recv_ts_format < 0) 12262fe8d4b8SAharon Landau return -EOPNOTSUPP; 1227*9a1ac95aSAharon Landau 1228*9a1ac95aSAharon Landau return send_ts_format == default_ts ? recv_ts_format : send_ts_format; 12292fe8d4b8SAharon Landau } 12302fe8d4b8SAharon Landau 12310fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1232b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12330fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12342fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 12350fb2ed66Smajd@mellanox.com { 12360fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12370fb2ed66Smajd@mellanox.com __be64 *pas; 12380fb2ed66Smajd@mellanox.com void *in; 12390fb2ed66Smajd@mellanox.com void *sqc; 12400fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12410fb2ed66Smajd@mellanox.com void *wq; 12420fb2ed66Smajd@mellanox.com int inlen; 12430fb2ed66Smajd@mellanox.com int err; 1244ad480ea5SJason Gunthorpe unsigned int page_offset_quantized; 1245ad480ea5SJason Gunthorpe unsigned long page_size; 12462fe8d4b8SAharon Landau int ts_format; 12472fe8d4b8SAharon Landau 12482fe8d4b8SAharon Landau ts_format = get_sq_ts_format(dev, cq); 12492fe8d4b8SAharon Landau if (ts_format < 0) 12502fe8d4b8SAharon Landau return ts_format; 12510fb2ed66Smajd@mellanox.com 1252ad480ea5SJason Gunthorpe sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, 1253ad480ea5SJason Gunthorpe ubuffer->buf_size, 0); 1254ad480ea5SJason Gunthorpe if (IS_ERR(sq->ubuffer.umem)) 1255ad480ea5SJason Gunthorpe return PTR_ERR(sq->ubuffer.umem); 1256ad480ea5SJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff( 1257ad480ea5SJason Gunthorpe ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, 1258ad480ea5SJason Gunthorpe page_offset, 64, &page_offset_quantized); 1259ad480ea5SJason Gunthorpe if (!page_size) { 1260ad480ea5SJason Gunthorpe err = -EINVAL; 1261ad480ea5SJason Gunthorpe goto err_umem; 1262ad480ea5SJason Gunthorpe } 12630fb2ed66Smajd@mellanox.com 12647db0eea9SJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1265ad480ea5SJason Gunthorpe sizeof(u64) * 1266ad480ea5SJason Gunthorpe ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size); 12671b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12680fb2ed66Smajd@mellanox.com if (!in) { 12690fb2ed66Smajd@mellanox.com err = -ENOMEM; 12700fb2ed66Smajd@mellanox.com goto err_umem; 12710fb2ed66Smajd@mellanox.com } 12720fb2ed66Smajd@mellanox.com 1273c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12740fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12750fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1276795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1277795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12780fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12792fe8d4b8SAharon Landau MLX5_SET(sqc, sqc, ts_format, ts_format); 12800fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12810fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12820fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12830fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 128496dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 128596dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 128696dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12870fb2ed66Smajd@mellanox.com 12880fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12890fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12900fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12910fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12920fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12930fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12940fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 1295ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 1296ad480ea5SJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 1297ad480ea5SJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 12980fb2ed66Smajd@mellanox.com 12990fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 1300ad480ea5SJason Gunthorpe mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0); 13010fb2ed66Smajd@mellanox.com 1302333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 13030fb2ed66Smajd@mellanox.com 13040fb2ed66Smajd@mellanox.com kvfree(in); 13050fb2ed66Smajd@mellanox.com 13060fb2ed66Smajd@mellanox.com if (err) 13070fb2ed66Smajd@mellanox.com goto err_umem; 13080fb2ed66Smajd@mellanox.com 13090fb2ed66Smajd@mellanox.com return 0; 13100fb2ed66Smajd@mellanox.com 13110fb2ed66Smajd@mellanox.com err_umem: 13120fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13130fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13140fb2ed66Smajd@mellanox.com 13150fb2ed66Smajd@mellanox.com return err; 13160fb2ed66Smajd@mellanox.com } 13170fb2ed66Smajd@mellanox.com 13180fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13190fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13200fb2ed66Smajd@mellanox.com { 1321d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1322333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 13230fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13240fb2ed66Smajd@mellanox.com } 13250fb2ed66Smajd@mellanox.com 13260fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13272c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 13282fe8d4b8SAharon Landau struct ib_pd *pd, struct mlx5_ib_cq *cq) 13290fb2ed66Smajd@mellanox.com { 1330358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13310fb2ed66Smajd@mellanox.com __be64 *pas; 13320fb2ed66Smajd@mellanox.com void *in; 13330fb2ed66Smajd@mellanox.com void *rqc; 13340fb2ed66Smajd@mellanox.com void *wq; 13350fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13367579dcdfSJason Gunthorpe struct ib_umem *umem = rq->base.ubuffer.umem; 13377579dcdfSJason Gunthorpe unsigned int page_offset_quantized; 13387579dcdfSJason Gunthorpe unsigned long page_size = 0; 13392fe8d4b8SAharon Landau int ts_format; 13402c292dbbSBoris Pismenny size_t inlen; 13410fb2ed66Smajd@mellanox.com int err; 13422c292dbbSBoris Pismenny 13432fe8d4b8SAharon Landau ts_format = get_rq_ts_format(dev, cq); 13442fe8d4b8SAharon Landau if (ts_format < 0) 13452fe8d4b8SAharon Landau return ts_format; 13462fe8d4b8SAharon Landau 13477579dcdfSJason Gunthorpe page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz, 13487579dcdfSJason Gunthorpe MLX5_ADAPTER_PAGE_SHIFT, 13497579dcdfSJason Gunthorpe page_offset, 64, 13507579dcdfSJason Gunthorpe &page_offset_quantized); 13517579dcdfSJason Gunthorpe if (!page_size) 13522c292dbbSBoris Pismenny return -EINVAL; 13530fb2ed66Smajd@mellanox.com 13547579dcdfSJason Gunthorpe inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 13557579dcdfSJason Gunthorpe sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size); 13561b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13570fb2ed66Smajd@mellanox.com if (!in) 13580fb2ed66Smajd@mellanox.com return -ENOMEM; 13590fb2ed66Smajd@mellanox.com 136034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13610fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1362e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13630fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13640fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13650fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13662fe8d4b8SAharon Landau MLX5_SET(rqc, rqc, ts_format, ts_format); 13670fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13680fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13690fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13700fb2ed66Smajd@mellanox.com 13712be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1372358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1373358e42eaSMajd Dibbiny 13740fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13750fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1376b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1377b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13787579dcdfSJason Gunthorpe MLX5_SET(wq, wq, page_offset, page_offset_quantized); 13790fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13800fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13810fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13827579dcdfSJason Gunthorpe MLX5_SET(wq, wq, log_wq_pg_sz, 13837579dcdfSJason Gunthorpe order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); 13840fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13850fb2ed66Smajd@mellanox.com 13860fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13877579dcdfSJason Gunthorpe mlx5_ib_populate_pas(umem, page_size, pas, 0); 13880fb2ed66Smajd@mellanox.com 1389333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 13900fb2ed66Smajd@mellanox.com 13910fb2ed66Smajd@mellanox.com kvfree(in); 13920fb2ed66Smajd@mellanox.com 13930fb2ed66Smajd@mellanox.com return err; 13940fb2ed66Smajd@mellanox.com } 13950fb2ed66Smajd@mellanox.com 13960fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13970fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13980fb2ed66Smajd@mellanox.com { 1399333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 14000fb2ed66Smajd@mellanox.com } 14010fb2ed66Smajd@mellanox.com 14020042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14030042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1404443c1cf9SYishai Hadas u32 qp_flags_en, 1405443c1cf9SYishai Hadas struct ib_pd *pd) 14060042f9e4SMark Bloch { 14070042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14080042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14090042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1410443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14110042f9e4SMark Bloch } 14120042f9e4SMark Bloch 14130fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1414f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1415e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1416e0b4b472SLeon Romanovsky u32 *out) 14170fb2ed66Smajd@mellanox.com { 1418175edba8SMark Bloch u8 lb_flag = 0; 14190fb2ed66Smajd@mellanox.com u32 *in; 14200fb2ed66Smajd@mellanox.com void *tirc; 14210fb2ed66Smajd@mellanox.com int inlen; 14220fb2ed66Smajd@mellanox.com int err; 14230fb2ed66Smajd@mellanox.com 14240fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14251b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14260fb2ed66Smajd@mellanox.com if (!in) 14270fb2ed66Smajd@mellanox.com return -ENOMEM; 14280fb2ed66Smajd@mellanox.com 1429443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14300fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14310fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14320fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14330fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1434175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1435f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14360fb2ed66Smajd@mellanox.com 1437175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1438175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1439175edba8SMark Bloch 1440175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1441175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1442175edba8SMark Bloch 14436a4d00beSMark Bloch if (dev->is_rep) { 1444175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1445175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1446175edba8SMark Bloch } 1447175edba8SMark Bloch 1448175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1449e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1450e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14511f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14520042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14530042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14540042f9e4SMark Bloch 14550042f9e4SMark Bloch if (err) 1456443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14570042f9e4SMark Bloch } 14580fb2ed66Smajd@mellanox.com kvfree(in); 14590fb2ed66Smajd@mellanox.com 14600fb2ed66Smajd@mellanox.com return err; 14610fb2ed66Smajd@mellanox.com } 14620fb2ed66Smajd@mellanox.com 14630fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14642fe8d4b8SAharon Landau u32 *in, size_t inlen, struct ib_pd *pd, 14657f72052cSYishai Hadas struct ib_udata *udata, 14662fe8d4b8SAharon Landau struct mlx5_ib_create_qp_resp *resp, 14672fe8d4b8SAharon Landau struct ib_qp_init_attr *init_attr) 14680fb2ed66Smajd@mellanox.com { 14690fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14700fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14710fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 147289944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 147389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14740fb2ed66Smajd@mellanox.com int err; 14750fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14767f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14771f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14780fb2ed66Smajd@mellanox.com 14790eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 14800eacc574SAharon Landau return -EINVAL; 14810fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14821cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14830fb2ed66Smajd@mellanox.com if (err) 14840fb2ed66Smajd@mellanox.com return err; 14850fb2ed66Smajd@mellanox.com 14862fe8d4b8SAharon Landau err = create_raw_packet_qp_sq(dev, udata, sq, in, pd, 14872fe8d4b8SAharon Landau to_mcq(init_attr->send_cq)); 14880fb2ed66Smajd@mellanox.com if (err) 14890fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14900fb2ed66Smajd@mellanox.com 14917f72052cSYishai Hadas if (uid) { 14927f72052cSYishai Hadas resp->tisn = sq->tisn; 14937f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14947f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14957f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14967f72052cSYishai Hadas } 14977f72052cSYishai Hadas 14980fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14991d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15000fb2ed66Smajd@mellanox.com } 15010fb2ed66Smajd@mellanox.com 15020fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1503358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1504358e42eaSMajd Dibbiny 15052be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1506e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 15072be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1508b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 15092fe8d4b8SAharon Landau err = create_raw_packet_qp_rq(dev, rq, in, pd, 15102fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 15110fb2ed66Smajd@mellanox.com if (err) 15120fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15130fb2ed66Smajd@mellanox.com 1514e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1515e0b4b472SLeon Romanovsky out); 15160fb2ed66Smajd@mellanox.com if (err) 15170fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15187f72052cSYishai Hadas 15197f72052cSYishai Hadas if (uid) { 15207f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15217f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15227f72052cSYishai Hadas resp->tirn = rq->tirn; 15237f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 152454a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 152554a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 15261f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15271f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15281f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15291f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15301f1d6abbSAriel Levkovich icm_address_39_32) 15311f1d6abbSAriel Levkovich << 32; 15321f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15331f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15341f1d6abbSAriel Levkovich icm_address_63_40) 15351f1d6abbSAriel Levkovich << 40; 15361f1d6abbSAriel Levkovich resp->comp_mask |= 15371f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15381f1d6abbSAriel Levkovich } 15397f72052cSYishai Hadas } 15400fb2ed66Smajd@mellanox.com } 15410fb2ed66Smajd@mellanox.com 15420fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15430fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15440fb2ed66Smajd@mellanox.com return 0; 15450fb2ed66Smajd@mellanox.com 15460fb2ed66Smajd@mellanox.com err_destroy_rq: 15470fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15480fb2ed66Smajd@mellanox.com err_destroy_sq: 15490fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15500fb2ed66Smajd@mellanox.com return err; 15510fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15520fb2ed66Smajd@mellanox.com err_destroy_tis: 15531cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15540fb2ed66Smajd@mellanox.com 15550fb2ed66Smajd@mellanox.com return err; 15560fb2ed66Smajd@mellanox.com } 15570fb2ed66Smajd@mellanox.com 15580fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15590fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15600fb2ed66Smajd@mellanox.com { 15610fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15620fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15630fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15640fb2ed66Smajd@mellanox.com 15650fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1566443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15670fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15680fb2ed66Smajd@mellanox.com } 15690fb2ed66Smajd@mellanox.com 15700fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15710fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15721cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15730fb2ed66Smajd@mellanox.com } 15740fb2ed66Smajd@mellanox.com } 15750fb2ed66Smajd@mellanox.com 15760fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15770fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15780fb2ed66Smajd@mellanox.com { 15790fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15800fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15810fb2ed66Smajd@mellanox.com 15820fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15830fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15840fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15850fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15860fb2ed66Smajd@mellanox.com } 15870fb2ed66Smajd@mellanox.com 158828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 158928d61370SYishai Hadas { 15900042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15910042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15920042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1593443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1594443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 159528d61370SYishai Hadas } 159628d61370SYishai Hadas 1597f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1598f78d358cSLeon Romanovsky struct ib_udata *udata; 1599f78d358cSLeon Romanovsky size_t inlen; 16006f2cf76eSLeon Romanovsky size_t outlen; 1601e383085cSLeon Romanovsky size_t ucmd_size; 1602f78d358cSLeon Romanovsky void *ucmd; 1603f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1604f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1605f78d358cSLeon Romanovsky u32 uidx; 160608d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1607f78d358cSLeon Romanovsky }; 1608f78d358cSLeon Romanovsky 1609f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1610f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1611f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 161228d61370SYishai Hadas { 1613f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1614f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1615f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 161689944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 161789944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 161828d61370SYishai Hadas int inlen; 16191f1d6abbSAriel Levkovich int outlen; 162028d61370SYishai Hadas int err; 162128d61370SYishai Hadas u32 *in; 16221f1d6abbSAriel Levkovich u32 *out; 162328d61370SYishai Hadas void *tirc; 162428d61370SYishai Hadas void *hfso; 162528d61370SYishai Hadas u32 selected_fields = 0; 16262d93fc85SMatan Barak u32 outer_l4; 162728d61370SYishai Hadas u32 tdn = mucontext->tdn; 1628175edba8SMark Bloch u8 lb_flag = 0; 162928d61370SYishai Hadas 16305ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 163128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 163228d61370SYishai Hadas return -EOPNOTSUPP; 163328d61370SYishai Hadas } 163428d61370SYishai Hadas 16355ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 16365ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1637309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1638309fa347SMaor Gottlieb return -EOPNOTSUPP; 1639309fa347SMaor Gottlieb } 1640309fa347SMaor Gottlieb 164137518fa4SLeon Romanovsky if (dev->is_rep) 1642175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1643175edba8SMark Bloch 164437518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 164537518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 164637518fa4SLeon Romanovsky 164737518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1648175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1649175edba8SMark Bloch 165028d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16511f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16521f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 165328d61370SYishai Hadas if (!in) 165428d61370SYishai Hadas return -ENOMEM; 165528d61370SYishai Hadas 16561f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1657443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 165828d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 165928d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 166028d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 166128d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 166228d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 166328d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 166428d61370SYishai Hadas 166528d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1666f95ef6cbSMaor Gottlieb 16675ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1668f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1669f95ef6cbSMaor Gottlieb 1670175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1671175edba8SMark Bloch 16725ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1673309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1674309fa347SMaor Gottlieb else 1675309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1676309fa347SMaor Gottlieb 16775ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 167828d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 167928d61370SYishai Hadas { 168028d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 168128d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 168228d61370SYishai Hadas 16835ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 168428d61370SYishai Hadas err = -EINVAL; 168528d61370SYishai Hadas goto err; 168628d61370SYishai Hadas } 168728d61370SYishai Hadas 168828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 16895ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 169028d61370SYishai Hadas break; 169128d61370SYishai Hadas } 169228d61370SYishai Hadas default: 169328d61370SYishai Hadas err = -EOPNOTSUPP; 169428d61370SYishai Hadas goto err; 169528d61370SYishai Hadas } 169628d61370SYishai Hadas 16975ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 169828d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 169928d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 170028d61370SYishai Hadas goto create_tir; 170128d61370SYishai Hadas err = -EINVAL; 170228d61370SYishai Hadas goto err; 170328d61370SYishai Hadas } 170428d61370SYishai Hadas 17055ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17065ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 17075ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17085ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 170928d61370SYishai Hadas err = -EINVAL; 171028d61370SYishai Hadas goto err; 171128d61370SYishai Hadas } 171228d61370SYishai Hadas 171328d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 17145ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17155ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 171628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 171728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 17185ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 17195ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 172028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 172128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 172228d61370SYishai Hadas 17235ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17245ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 17255ce0592bSLeon Romanovsky << 0 | 17265ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17275ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 17285ce0592bSLeon Romanovsky << 1 | 17295ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17302d93fc85SMatan Barak 17312d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17322d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 173328d61370SYishai Hadas err = -EINVAL; 173428d61370SYishai Hadas goto err; 173528d61370SYishai Hadas } 173628d61370SYishai Hadas 173728d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 17385ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17395ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 174028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 174128d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 17425ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17435ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 174428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 174528d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 174628d61370SYishai Hadas 17475ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17485ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 174928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 175028d61370SYishai Hadas 17515ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 17525ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 175328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 175428d61370SYishai Hadas 17555ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17565ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 175728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 175828d61370SYishai Hadas 17595ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 17605ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 176128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 176228d61370SYishai Hadas 17635ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17642d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17652d93fc85SMatan Barak 176628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 176728d61370SYishai Hadas 176828d61370SYishai Hadas create_tir: 1769e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1770e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 177128d61370SYishai Hadas 17721f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17730042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17740042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17750042f9e4SMark Bloch 17760042f9e4SMark Bloch if (err) 1777443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1778443c1cf9SYishai Hadas to_mpd(pd)->uid); 17790042f9e4SMark Bloch } 17800042f9e4SMark Bloch 178128d61370SYishai Hadas if (err) 178228d61370SYishai Hadas goto err; 178328d61370SYishai Hadas 17847f72052cSYishai Hadas if (mucontext->devx_uid) { 178508d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 178608d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 178754a38b66SAlex Vesker if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || 178854a38b66SAlex Vesker MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { 178908d53976SLeon Romanovsky params->resp.tir_icm_addr = 17901f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 179108d53976SLeon Romanovsky params->resp.tir_icm_addr |= 179208d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17931f1d6abbSAriel Levkovich icm_address_39_32) 17941f1d6abbSAriel Levkovich << 32; 179508d53976SLeon Romanovsky params->resp.tir_icm_addr |= 179608d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17971f1d6abbSAriel Levkovich icm_address_63_40) 17981f1d6abbSAriel Levkovich << 40; 179908d53976SLeon Romanovsky params->resp.comp_mask |= 18001f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18011f1d6abbSAriel Levkovich } 18027f72052cSYishai Hadas } 18037f72052cSYishai Hadas 180428d61370SYishai Hadas kvfree(in); 180528d61370SYishai Hadas /* qpn is reserved for that QP */ 180628d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 18072be08c30SLeon Romanovsky qp->is_rss = true; 180828d61370SYishai Hadas return 0; 180928d61370SYishai Hadas 181028d61370SYishai Hadas err: 181128d61370SYishai Hadas kvfree(in); 181228d61370SYishai Hadas return err; 181328d61370SYishai Hadas } 181428d61370SYishai Hadas 18155d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 181681530ab0SLeon Romanovsky struct mlx5_ib_qp *qp, 18175d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18185d6ff1baSYonatan Cohen void *qpc) 18195d6ff1baSYonatan Cohen { 18205d6ff1baSYonatan Cohen int scqe_sz; 18212ab367a7Szhengbin bool allow_scat_cqe = false; 18225d6ff1baSYonatan Cohen 182381530ab0SLeon Romanovsky allow_scat_cqe = qp->flags_en & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18246f4bc0eaSYonatan Cohen 18256f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18265d6ff1baSYonatan Cohen return; 18275d6ff1baSYonatan Cohen 18285d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18295d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18305d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18315d6ff1baSYonatan Cohen return; 18325d6ff1baSYonatan Cohen } 18335d6ff1baSYonatan Cohen 18345d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 18355d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 18365d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 18375d6ff1baSYonatan Cohen } 18385d6ff1baSYonatan Cohen 1839a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1840a60109dcSYonatan Cohen { 1841a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1842a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1843a60109dcSYonatan Cohen */ 1844a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1845a60109dcSYonatan Cohen int log_max_size; 1846a60109dcSYonatan Cohen 1847a60109dcSYonatan Cohen if (!supported_size_mask) 1848a60109dcSYonatan Cohen return -EOPNOTSUPP; 1849a60109dcSYonatan Cohen 1850a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1851a60109dcSYonatan Cohen 1852a60109dcSYonatan Cohen if (log_max_size > 3) 1853a60109dcSYonatan Cohen return log_max_size; 1854a60109dcSYonatan Cohen 1855a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1856a60109dcSYonatan Cohen } 1857a60109dcSYonatan Cohen 1858a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1859a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1860a60109dcSYonatan Cohen { 1861a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1862a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1863a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1864a60109dcSYonatan Cohen int atomic_size_mask; 1865a60109dcSYonatan Cohen 1866a60109dcSYonatan Cohen if (!atomic) 1867a60109dcSYonatan Cohen return -EOPNOTSUPP; 1868a60109dcSYonatan Cohen 1869a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1870a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1871a60109dcSYonatan Cohen else 1872a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1873a60109dcSYonatan Cohen 1874a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1875a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1876a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1877a60109dcSYonatan Cohen 1878a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1879a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1880a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1881a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1882a60109dcSYonatan Cohen 1883a60109dcSYonatan Cohen return atomic_mode; 1884a60109dcSYonatan Cohen } 1885a60109dcSYonatan Cohen 1886f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1887f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 188804bcc1c2SLeon Romanovsky { 1889e383085cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1890f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1891f78d358cSLeon Romanovsky u32 uidx = params->uidx; 189204bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 18933e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 189404bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 189504bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 189604bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 189704bcc1c2SLeon Romanovsky unsigned long flags; 189804bcc1c2SLeon Romanovsky void *qpc; 189904bcc1c2SLeon Romanovsky u32 *in; 190004bcc1c2SLeon Romanovsky int err; 190104bcc1c2SLeon Romanovsky 190204bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 190304bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 190404bcc1c2SLeon Romanovsky 190504bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 190604bcc1c2SLeon Romanovsky if (!in) 190704bcc1c2SLeon Romanovsky return -ENOMEM; 190804bcc1c2SLeon Romanovsky 19096eefa839SLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support) && ucmd) 1910e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 191104bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 191204bcc1c2SLeon Romanovsky 191304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 191404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 191504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 191604bcc1c2SLeon Romanovsky 191704bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 191804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 191904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 192004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 192104bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 192204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 192304bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 192404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 192504bcc1c2SLeon Romanovsky 19268256c69bSMaor Gottlieb MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); 192704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 192804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 192904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 193004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 193104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 193204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 193304bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 193404bcc1c2SLeon Romanovsky 193504bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 193604bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 193704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 193804bcc1c2SLeon Romanovsky 193904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 194004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 194104bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 194204bcc1c2SLeon Romanovsky /* Special case to clean flag */ 194304bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 194404bcc1c2SLeon Romanovsky } 194504bcc1c2SLeon Romanovsky 194604bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 19473e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 194804bcc1c2SLeon Romanovsky kvfree(in); 19496367da46SLeon Romanovsky if (err) 195004bcc1c2SLeon Romanovsky return err; 195104bcc1c2SLeon Romanovsky 195204bcc1c2SLeon Romanovsky base->container_mibqp = qp; 195304bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 195492cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 19553e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 195604bcc1c2SLeon Romanovsky 195704bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 195804bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 195904bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 196004bcc1c2SLeon Romanovsky 1961968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 196204bcc1c2SLeon Romanovsky return 0; 196304bcc1c2SLeon Romanovsky } 196404bcc1c2SLeon Romanovsky 196598fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1966f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1967f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 1968e126ba97SEli Cohen { 1969f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1970f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 19713e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 1972f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 1973f78d358cSLeon Romanovsky u32 uidx = params->uidx; 1974e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 197509a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1976938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 197789ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 197889ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 197989ea94a7SMaor Gottlieb unsigned long flags; 198009a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 19812fe8d4b8SAharon Landau int ts_format; 1982e7b169f3SNoa Osherovich int mlx5_st; 1983cfb5e088SHaggai Abramovsky void *qpc; 198409a7d9ecSSaeed Mahameed u32 *in; 198509a7d9ecSSaeed Mahameed int err; 1986e126ba97SEli Cohen 1987e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1988e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1989e126ba97SEli Cohen 19907aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 1991e7b169f3SNoa Osherovich if (mlx5_st < 0) 1992e7b169f3SNoa Osherovich return -EINVAL; 1993e7b169f3SNoa Osherovich 1994e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1995e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1996e126ba97SEli Cohen 19972978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 19982978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 19992978975cSLeon Romanovsky 2000c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 20012be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 2002c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2003c2e53b2cSYishai Hadas &qp->trans_qp.base; 2004c2e53b2cSYishai Hadas 2005e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 20062dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 2007e126ba97SEli Cohen if (err) { 2008e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2009e126ba97SEli Cohen return err; 2010e126ba97SEli Cohen } 2011e126ba97SEli Cohen 20122dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 201398fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 2014e126ba97SEli Cohen return -EINVAL; 2015e126ba97SEli Cohen 201698fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 201798fc1126SLeon Romanovsky return -EINVAL; 201898fc1126SLeon Romanovsky 20192fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 20202fe8d4b8SAharon Landau ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), 20212fe8d4b8SAharon Landau to_mcq(init_attr->recv_cq)); 20222fe8d4b8SAharon Landau if (ts_format < 0) 20232fe8d4b8SAharon Landau return ts_format; 20242fe8d4b8SAharon Landau } 20252fe8d4b8SAharon Landau 202608d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 202708d53976SLeon Romanovsky &inlen, base, ucmd); 2028e126ba97SEli Cohen if (err) 2029e126ba97SEli Cohen return err; 2030e126ba97SEli Cohen 2031e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2032e126ba97SEli Cohen qp->port = init_attr->port_num; 2033e126ba97SEli Cohen 2034e383085cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 2035e383085cSLeon Romanovsky MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); 203609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 203709a7d9ecSSaeed Mahameed 2038e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 203909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 204098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 2041e126ba97SEli Cohen 2042c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 204309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2044e126ba97SEli Cohen 20452be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 204609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2047f360d88aSEli Cohen 20482be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 204909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 20502be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 205109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 20522be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 205309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 20542be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2055569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 205690ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 205790ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 20588bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 205952c81f47SColin Ian King int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 20608bde2c50SLeon Romanovsky 20618bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 20628bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 20638bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 20648bde2c50SLeon Romanovsky } 206590ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 20667aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 206781530ab0SLeon Romanovsky configure_requester_scat_cqe(dev, qp, init_attr, qpc); 2068e126ba97SEli Cohen 2069e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 207009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 207109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2072e126ba97SEli Cohen } 2073e126ba97SEli Cohen 20742fe8d4b8SAharon Landau if (init_attr->qp_type != IB_QPT_RAW_PACKET) 20752fe8d4b8SAharon Landau MLX5_SET(qpc, qpc, ts_format, ts_format); 20762fe8d4b8SAharon Landau 207709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2078e126ba97SEli Cohen 20793fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 208009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20813fd3307eSArtemy Kovalyov } else { 208209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20833fd3307eSArtemy Kovalyov if (init_attr->srq && 20843fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20853fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20863fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20873fd3307eSArtemy Kovalyov } 2088e126ba97SEli Cohen 2089e126ba97SEli Cohen /* Set default resources */ 2090e126ba97SEli Cohen switch (init_attr->qp_type) { 2091e126ba97SEli Cohen case IB_QPT_XRC_INI: 209209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 2093f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 209409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2095e126ba97SEli Cohen break; 2096e126ba97SEli Cohen default: 2097e126ba97SEli Cohen if (init_attr->srq) { 2098f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 209909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2100e126ba97SEli Cohen } else { 2101f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 210209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2103e126ba97SEli Cohen } 2104e126ba97SEli Cohen } 2105e126ba97SEli Cohen 2106e126ba97SEli Cohen if (init_attr->send_cq) 210709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2108e126ba97SEli Cohen 2109e126ba97SEli Cohen if (init_attr->recv_cq) 211009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2111e126ba97SEli Cohen 211209a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2113e126ba97SEli Cohen 2114cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 211509a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2116cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 211709a7d9ecSSaeed Mahameed 21182978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 21192978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2120b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2121b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 21222978975cSLeon Romanovsky /* Special case to clean flag */ 21232978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2124b1383aa6SNoa Osherovich } 2125b1383aa6SNoa Osherovich 2126c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 21272be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 21282dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 21290fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 21307f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 21312fe8d4b8SAharon Landau ¶ms->resp, init_attr); 213204bcc1c2SLeon Romanovsky } else 21333e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 2134e126ba97SEli Cohen 2135479163f4SAl Viro kvfree(in); 213604bcc1c2SLeon Romanovsky if (err) 213704bcc1c2SLeon Romanovsky goto err_create; 2138e126ba97SEli Cohen 213919098df2Smajd@mellanox.com base->container_mibqp = qp; 214019098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 214192cd667cSLeon Romanovsky if (MLX5_CAP_GEN(mdev, ece_support)) 21423e09a427SLeon Romanovsky params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); 2143e126ba97SEli Cohen 21447aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 214589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 214689ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 214789ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 214889ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 214989ea94a7SMaor Gottlieb * flow 215089ea94a7SMaor Gottlieb */ 215189ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 215289ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 215389ea94a7SMaor Gottlieb */ 215489ea94a7SMaor Gottlieb if (send_cq) 215589ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 215689ea94a7SMaor Gottlieb if (recv_cq) 215789ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 215889ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 215989ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 216089ea94a7SMaor Gottlieb 2161e126ba97SEli Cohen return 0; 2162e126ba97SEli Cohen 2163e126ba97SEli Cohen err_create: 2164747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2165e126ba97SEli Cohen return err; 2166e126ba97SEli Cohen } 2167e126ba97SEli Cohen 216898fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2169f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2170f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 217198fc1126SLeon Romanovsky { 2172f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2173f78d358cSLeon Romanovsky u32 uidx = params->uidx; 217498fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 21753e09a427SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; 217698fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 217798fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 217898fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 217998fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 218098fc1126SLeon Romanovsky unsigned long flags; 218198fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 218298fc1126SLeon Romanovsky int mlx5_st; 218398fc1126SLeon Romanovsky void *qpc; 218498fc1126SLeon Romanovsky u32 *in; 218598fc1126SLeon Romanovsky int err; 218698fc1126SLeon Romanovsky 218798fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 218898fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 218998fc1126SLeon Romanovsky 219098fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 219198fc1126SLeon Romanovsky if (mlx5_st < 0) 219298fc1126SLeon Romanovsky return -EINVAL; 219398fc1126SLeon Romanovsky 219498fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 219598fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 219698fc1126SLeon Romanovsky 219798fc1126SLeon Romanovsky base = &qp->trans_qp.base; 219898fc1126SLeon Romanovsky 219998fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 220098fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 220198fc1126SLeon Romanovsky if (err) { 220298fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 220398fc1126SLeon Romanovsky return err; 220498fc1126SLeon Romanovsky } 220598fc1126SLeon Romanovsky 220698fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 220798fc1126SLeon Romanovsky if (err) 220898fc1126SLeon Romanovsky return err; 220998fc1126SLeon Romanovsky 221098fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 221198fc1126SLeon Romanovsky qp->port = attr->port_num; 221298fc1126SLeon Romanovsky 221398fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 221498fc1126SLeon Romanovsky 221598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 221698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 221798fc1126SLeon Romanovsky 221898fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 221998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 222098fc1126SLeon Romanovsky else 222198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 222298fc1126SLeon Romanovsky 222398fc1126SLeon Romanovsky 222498fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 222598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 222698fc1126SLeon Romanovsky 222798fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 222898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 222998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 223098fc1126SLeon Romanovsky } 223198fc1126SLeon Romanovsky 223298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 223398fc1126SLeon Romanovsky 223498fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 223598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 223698fc1126SLeon Romanovsky else 223798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 223898fc1126SLeon Romanovsky 223998fc1126SLeon Romanovsky if (attr->srq) { 2240f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); 224198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 224298fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 224398fc1126SLeon Romanovsky } else { 2244f4375443SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); 224598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 224698fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 224798fc1126SLeon Romanovsky } 224898fc1126SLeon Romanovsky 224998fc1126SLeon Romanovsky if (attr->send_cq) 225098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 225198fc1126SLeon Romanovsky 225298fc1126SLeon Romanovsky if (attr->recv_cq) 225398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 225498fc1126SLeon Romanovsky 225598fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 225698fc1126SLeon Romanovsky 225798fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 225898fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 225998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 226098fc1126SLeon Romanovsky 226198fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 226298fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 226398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 226498fc1126SLeon Romanovsky 22653e09a427SLeon Romanovsky err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); 226698fc1126SLeon Romanovsky kvfree(in); 226798fc1126SLeon Romanovsky if (err) 226898fc1126SLeon Romanovsky goto err_create; 226998fc1126SLeon Romanovsky 227098fc1126SLeon Romanovsky base->container_mibqp = qp; 227198fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 227298fc1126SLeon Romanovsky 227398fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 227498fc1126SLeon Romanovsky &send_cq, &recv_cq); 227598fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 227698fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 227798fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 227898fc1126SLeon Romanovsky * flow 227998fc1126SLeon Romanovsky */ 228098fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 228198fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 228298fc1126SLeon Romanovsky */ 228398fc1126SLeon Romanovsky if (send_cq) 228498fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 228598fc1126SLeon Romanovsky if (recv_cq) 228698fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 228798fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 228898fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 228998fc1126SLeon Romanovsky 229098fc1126SLeon Romanovsky return 0; 229198fc1126SLeon Romanovsky 229298fc1126SLeon Romanovsky err_create: 2293747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 229498fc1126SLeon Romanovsky return err; 229598fc1126SLeon Romanovsky } 229698fc1126SLeon Romanovsky 2297e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2298e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2299e126ba97SEli Cohen { 2300e126ba97SEli Cohen if (send_cq) { 2301e126ba97SEli Cohen if (recv_cq) { 2302e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 230389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2304e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2305e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2306e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 230789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2308e126ba97SEli Cohen __acquire(&recv_cq->lock); 2309e126ba97SEli Cohen } else { 231089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2311e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2312e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2313e126ba97SEli Cohen } 2314e126ba97SEli Cohen } else { 231589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 23166a4f139aSEli Cohen __acquire(&recv_cq->lock); 2317e126ba97SEli Cohen } 2318e126ba97SEli Cohen } else if (recv_cq) { 231989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 23206a4f139aSEli Cohen __acquire(&send_cq->lock); 23216a4f139aSEli Cohen } else { 23226a4f139aSEli Cohen __acquire(&send_cq->lock); 23236a4f139aSEli Cohen __acquire(&recv_cq->lock); 2324e126ba97SEli Cohen } 2325e126ba97SEli Cohen } 2326e126ba97SEli Cohen 2327e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2328e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2329e126ba97SEli Cohen { 2330e126ba97SEli Cohen if (send_cq) { 2331e126ba97SEli Cohen if (recv_cq) { 2332e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2333e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 233489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2335e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2336e126ba97SEli Cohen __release(&recv_cq->lock); 233789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2338e126ba97SEli Cohen } else { 2339e126ba97SEli Cohen spin_unlock(&send_cq->lock); 234089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2341e126ba97SEli Cohen } 2342e126ba97SEli Cohen } else { 23436a4f139aSEli Cohen __release(&recv_cq->lock); 234489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2345e126ba97SEli Cohen } 2346e126ba97SEli Cohen } else if (recv_cq) { 23476a4f139aSEli Cohen __release(&send_cq->lock); 234889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23496a4f139aSEli Cohen } else { 23506a4f139aSEli Cohen __release(&recv_cq->lock); 23516a4f139aSEli Cohen __release(&send_cq->lock); 2352e126ba97SEli Cohen } 2353e126ba97SEli Cohen } 2354e126ba97SEli Cohen 235589ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 235689ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2357e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2358e126ba97SEli Cohen { 235989ea94a7SMaor Gottlieb switch (qp_type) { 2360e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2361e126ba97SEli Cohen *send_cq = NULL; 2362e126ba97SEli Cohen *recv_cq = NULL; 2363e126ba97SEli Cohen break; 2364e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2365e126ba97SEli Cohen case IB_QPT_XRC_INI: 236689ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2367e126ba97SEli Cohen *recv_cq = NULL; 2368e126ba97SEli Cohen break; 2369e126ba97SEli Cohen 2370e126ba97SEli Cohen case IB_QPT_SMI: 2371d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2372e126ba97SEli Cohen case IB_QPT_RC: 2373e126ba97SEli Cohen case IB_QPT_UC: 2374e126ba97SEli Cohen case IB_QPT_UD: 23750fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 237689ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 237789ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2378e126ba97SEli Cohen break; 2379e126ba97SEli Cohen default: 2380e126ba97SEli Cohen *send_cq = NULL; 2381e126ba97SEli Cohen *recv_cq = NULL; 2382e126ba97SEli Cohen break; 2383e126ba97SEli Cohen } 2384e126ba97SEli Cohen } 2385e126ba97SEli Cohen 2386ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 238713eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 238813eab21fSAviv Heller u8 lag_tx_affinity); 2389ad5f8e96Smajd@mellanox.com 2390bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2391bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2392e126ba97SEli Cohen { 2393e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2394c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 239589ea94a7SMaor Gottlieb unsigned long flags; 2396e126ba97SEli Cohen int err; 2397e126ba97SEli Cohen 23986c41965dSLeon Romanovsky if (qp->is_rss) { 239928d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 240028d61370SYishai Hadas return; 240128d61370SYishai Hadas } 240228d61370SYishai Hadas 24036c41965dSLeon Romanovsky base = (qp->type == IB_QPT_RAW_PACKET || 24042be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 24050fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 24060fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 24070fb2ed66Smajd@mellanox.com 24086aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 24096c41965dSLeon Romanovsky if (qp->type != IB_QPT_RAW_PACKET && 24102be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2411333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 24125f62a521SLeon Romanovsky NULL, &base->mqp, NULL); 2413ad5f8e96Smajd@mellanox.com } else { 24140680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 24150680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 24160680efa2SAlex Vesker }; 24170680efa2SAlex Vesker 241813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2419ad5f8e96Smajd@mellanox.com } 2420ad5f8e96Smajd@mellanox.com if (err) 2421427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 242219098df2Smajd@mellanox.com base->mqp.qpn); 24236aec21f6SHaggai Eran } 2424e126ba97SEli Cohen 24256c41965dSLeon Romanovsky get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, 24266c41965dSLeon Romanovsky &recv_cq); 242789ea94a7SMaor Gottlieb 242889ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 242989ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 243089ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 243189ea94a7SMaor Gottlieb list_del(&qp->qps_list); 243289ea94a7SMaor Gottlieb if (send_cq) 243389ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 243489ea94a7SMaor Gottlieb 243589ea94a7SMaor Gottlieb if (recv_cq) 243689ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2437e126ba97SEli Cohen 243803c4077bSLeon Romanovsky if (!udata) { 243919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2440e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2441e126ba97SEli Cohen if (send_cq != recv_cq) 244219098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 244319098df2Smajd@mellanox.com NULL); 2444e126ba97SEli Cohen } 244589ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 244689ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2447e126ba97SEli Cohen 24486c41965dSLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET || 24492be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 24500fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24510fb2ed66Smajd@mellanox.com } else { 2452333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2453e126ba97SEli Cohen if (err) 24540fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24550fb2ed66Smajd@mellanox.com base->mqp.qpn); 24560fb2ed66Smajd@mellanox.com } 2457e126ba97SEli Cohen 2458747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2459e126ba97SEli Cohen } 2460e126ba97SEli Cohen 2461a645a89dSLeon Romanovsky static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2462a645a89dSLeon Romanovsky struct mlx5_ib_qp *qp, 2463f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2464b4aaa1f0SMoni Shoua { 2465f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2466f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2467f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2468b4aaa1f0SMoni Shoua void *dctc; 2469b4aaa1f0SMoni Shoua 24707c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev) && !MLX5_CAP_GEN(dev->mdev, lag_dct)) 24717c4b1ab9SMark Zhang return -EOPNOTSUPP; 24727c4b1ab9SMark Zhang 2473b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24749c2ba4edSLeon Romanovsky if (!qp->dct.in) 247547c80612SLeon Romanovsky return -ENOMEM; 2476b4aaa1f0SMoni Shoua 2477a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2478b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2479b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2480b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2481b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2482b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2483b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2484a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 2485a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 2486b4aaa1f0SMoni Shoua 248737518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2488fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2489fd9dab7eSLeon Romanovsky 2490fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2491fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2492fd9dab7eSLeon Romanovsky } 24935d6ff1baSYonatan Cohen 2494b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 24952b1f7470SLeon Romanovsky rdma_restrack_no_track(&qp->ibqp.res); 249647c80612SLeon Romanovsky return 0; 2497b4aaa1f0SMoni Shoua } 2498b4aaa1f0SMoni Shoua 24997aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 25007aede1a2SLeon Romanovsky enum ib_qp_type *type) 25016eb7edffSLeon Romanovsky { 25026eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 25036eb7edffSLeon Romanovsky goto out; 25046eb7edffSLeon Romanovsky 25056eb7edffSLeon Romanovsky switch (attr->qp_type) { 25066eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 25076eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 25086eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 25096eb7edffSLeon Romanovsky goto out; 25106eb7edffSLeon Romanovsky fallthrough; 25116eb7edffSLeon Romanovsky case IB_QPT_RC: 25126eb7edffSLeon Romanovsky case IB_QPT_UC: 25136eb7edffSLeon Romanovsky case IB_QPT_SMI: 25146eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25156eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 25166eb7edffSLeon Romanovsky case IB_QPT_GSI: 251742caf9cbSMark Bloch case IB_QPT_RAW_PACKET: 251842caf9cbSMark Bloch case IB_QPT_UD: 251942caf9cbSMark Bloch case MLX5_IB_QPT_REG_UMR: 25207aede1a2SLeon Romanovsky break; 25216eb7edffSLeon Romanovsky default: 25226eb7edffSLeon Romanovsky goto out; 2523b4aaa1f0SMoni Shoua } 2524b4aaa1f0SMoni Shoua 25257aede1a2SLeon Romanovsky *type = attr->qp_type; 2526b4aaa1f0SMoni Shoua return 0; 25276eb7edffSLeon Romanovsky 25286eb7edffSLeon Romanovsky out: 25296eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 25306eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2531b4aaa1f0SMoni Shoua } 2532b4aaa1f0SMoni Shoua 25332242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 25342242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 25352242cc25SLeon Romanovsky struct ib_udata *udata) 25362242cc25SLeon Romanovsky { 25372242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 25382242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 25392242cc25SLeon Romanovsky 25402242cc25SLeon Romanovsky if (!udata) { 25412242cc25SLeon Romanovsky /* Kernel create_qp callers */ 25422242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 25432242cc25SLeon Romanovsky return -EOPNOTSUPP; 25442242cc25SLeon Romanovsky 25452242cc25SLeon Romanovsky switch (attr->qp_type) { 25462242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 25472242cc25SLeon Romanovsky case IB_QPT_DRIVER: 25482242cc25SLeon Romanovsky return -EOPNOTSUPP; 25492242cc25SLeon Romanovsky default: 25502242cc25SLeon Romanovsky return 0; 25512242cc25SLeon Romanovsky } 25522242cc25SLeon Romanovsky } 25532242cc25SLeon Romanovsky 25542242cc25SLeon Romanovsky /* Userspace create_qp callers */ 25552242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 25562242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25572242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 25582242cc25SLeon Romanovsky return -EINVAL; 25592242cc25SLeon Romanovsky } 25602242cc25SLeon Romanovsky 25612242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 25622242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25632242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 25642242cc25SLeon Romanovsky attr->qp_type); 25652242cc25SLeon Romanovsky return -EINVAL; 25662242cc25SLeon Romanovsky } 25672242cc25SLeon Romanovsky 25682242cc25SLeon Romanovsky /* 25692242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25702242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25712242cc25SLeon Romanovsky */ 25722242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25732242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25742242cc25SLeon Romanovsky return 0; 25752242cc25SLeon Romanovsky } 25762242cc25SLeon Romanovsky 257737518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 257837518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 257937518fa4SLeon Romanovsky { 258037518fa4SLeon Romanovsky if (!(*flags & flag)) 258137518fa4SLeon Romanovsky return; 258237518fa4SLeon Romanovsky 258337518fa4SLeon Romanovsky if (cond) { 258437518fa4SLeon Romanovsky qp->flags_en |= flag; 258537518fa4SLeon Romanovsky *flags &= ~flag; 258637518fa4SLeon Romanovsky return; 258737518fa4SLeon Romanovsky } 258837518fa4SLeon Romanovsky 258981530ab0SLeon Romanovsky switch (flag) { 259081530ab0SLeon Romanovsky case MLX5_QP_FLAG_SCATTER_CQE: 259181530ab0SLeon Romanovsky case MLX5_QP_FLAG_ALLOW_SCATTER_CQE: 259237518fa4SLeon Romanovsky /* 259381530ab0SLeon Romanovsky * We don't return error if these flags were provided, 259437518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 259537518fa4SLeon Romanovsky */ 259681530ab0SLeon Romanovsky *flags &= ~(MLX5_QP_FLAG_SCATTER_CQE | 259781530ab0SLeon Romanovsky MLX5_QP_FLAG_ALLOW_SCATTER_CQE); 259837518fa4SLeon Romanovsky return; 259981530ab0SLeon Romanovsky default: 260081530ab0SLeon Romanovsky break; 260137518fa4SLeon Romanovsky } 260237518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 260337518fa4SLeon Romanovsky } 260437518fa4SLeon Romanovsky 260537518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26065ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 26072fdddbd5SLeon Romanovsky { 260837518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 260937518fa4SLeon Romanovsky bool cond; 26105ce0592bSLeon Romanovsky int flags; 26115ce0592bSLeon Romanovsky 26125ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 26135ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 26145ce0592bSLeon Romanovsky else 26155ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 261637518fa4SLeon Romanovsky 261737518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 26182fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 26197aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 26202fdddbd5SLeon Romanovsky break; 26212fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 26227aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 262337518fa4SLeon Romanovsky break; 26247aede1a2SLeon Romanovsky default: 26257aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 26267aede1a2SLeon Romanovsky break; 26277aede1a2SLeon Romanovsky /* 26287aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 26297aede1a2SLeon Romanovsky * wrong subtype were provided. 26307aede1a2SLeon Romanovsky */ 263137518fa4SLeon Romanovsky return -EINVAL; 26327aede1a2SLeon Romanovsky } 263337518fa4SLeon Romanovsky 263437518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 263537518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 263637518fa4SLeon Romanovsky 263737518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 263837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 263937518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 264081530ab0SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_ALLOW_SCATTER_CQE, 264181530ab0SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 264237518fa4SLeon Romanovsky 26437aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 264437518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 264537518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 264637518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 264737518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 264837518fa4SLeon Romanovsky cond, qp); 264937518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 265037518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 265137518fa4SLeon Romanovsky qp); 265237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 265337518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 265437518fa4SLeon Romanovsky qp); 265537518fa4SLeon Romanovsky } 265637518fa4SLeon Romanovsky 26577aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 265837518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 265937518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 266037518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 266137518fa4SLeon Romanovsky 266276883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 266376883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 266476883a6cSLeon Romanovsky 26655d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 26665d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 26675d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 26685d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 26695d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 26705d6fffedSLeon Romanovsky cond); 26715d6fffedSLeon Romanovsky return -EINVAL; 26725d6fffedSLeon Romanovsky } 26735d6fffedSLeon Romanovsky 267437518fa4SLeon Romanovsky if (flags) 267537518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 267637518fa4SLeon Romanovsky 267737518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 26782fdddbd5SLeon Romanovsky } 26792fdddbd5SLeon Romanovsky 26802978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 26812978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26822978975cSLeon Romanovsky { 26832978975cSLeon Romanovsky if (!(*flags & flag)) 26842978975cSLeon Romanovsky return; 26852978975cSLeon Romanovsky 26862978975cSLeon Romanovsky if (cond) { 26872978975cSLeon Romanovsky qp->flags |= flag; 26882978975cSLeon Romanovsky *flags &= ~flag; 26892978975cSLeon Romanovsky return; 26902978975cSLeon Romanovsky } 26912978975cSLeon Romanovsky 26922978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26932978975cSLeon Romanovsky /* 26942978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26952978975cSLeon Romanovsky * just different in-kernel flow. 26962978975cSLeon Romanovsky */ 26972978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26982978975cSLeon Romanovsky return; 26992978975cSLeon Romanovsky } 27002978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 27012978975cSLeon Romanovsky } 27022978975cSLeon Romanovsky 27032978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 27042978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 27052978975cSLeon Romanovsky { 27067aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 27072978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 27082978975cSLeon Romanovsky int create_flags = attr->create_flags; 27092978975cSLeon Romanovsky bool cond; 27102978975cSLeon Romanovsky 27117aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 27122978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 27132978975cSLeon Romanovsky 27142978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 27152978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 27162978975cSLeon Romanovsky 2717f81b4565SLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP, 2718f81b4565SLeon Romanovsky mlx5_get_flow_namespace(dev->mdev, 2719f81b4565SLeon Romanovsky MLX5_FLOW_NAMESPACE_BYPASS), 2720f81b4565SLeon Romanovsky qp); 27212978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27229e0dc7b9SMax Gurtovoy IB_QP_CREATE_INTEGRITY_EN, 27239e0dc7b9SMax Gurtovoy MLX5_CAP_GEN(mdev, sho), qp); 27249e0dc7b9SMax Gurtovoy process_create_flag(dev, &create_flags, 27252978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 27262978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 27272978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 27282978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27292978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 27302978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27312978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 27322978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 27332978975cSLeon Romanovsky 27342978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 27352978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27362978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 27372978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 27382978975cSLeon Romanovsky qp); 27392978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 27402978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 27412978975cSLeon Romanovsky cond, qp); 27422978975cSLeon Romanovsky } 27432978975cSLeon Romanovsky 27442978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 27452978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 27462978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 27472978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27482978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 27492978975cSLeon Romanovsky 27502978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 27512978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 27522978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27532978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 27542978975cSLeon Romanovsky } 27552978975cSLeon Romanovsky 27562978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 27572978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 27582978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 27592978975cSLeon Romanovsky 27602978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 27612978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 27622978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 27632978975cSLeon Romanovsky true, qp); 27642978975cSLeon Romanovsky 27651f11a761SJason Gunthorpe if (create_flags) { 27662978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 27672978975cSLeon Romanovsky create_flags); 27681f11a761SJason Gunthorpe return -EOPNOTSUPP; 27691f11a761SJason Gunthorpe } 27701f11a761SJason Gunthorpe return 0; 27712978975cSLeon Romanovsky } 27722978975cSLeon Romanovsky 27736f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 27746f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 27752fdddbd5SLeon Romanovsky { 27762fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27776f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 27786f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 27795ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 27802fdddbd5SLeon Romanovsky 27816f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 2782e383085cSLeon Romanovsky params->ucmd_size = ucmd; 27836f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 2784e383085cSLeon Romanovsky /* User has old rdma-core, which doesn't support ECE */ 2785e383085cSLeon Romanovsky size_t min_inlen = 2786e383085cSLeon Romanovsky offsetof(struct mlx5_ib_create_qp, ece_options); 2787e383085cSLeon Romanovsky 2788e383085cSLeon Romanovsky /* 2789e383085cSLeon Romanovsky * We will check in check_ucmd_data() that user 2790e383085cSLeon Romanovsky * cleared everything after inlen. 2791e383085cSLeon Romanovsky */ 2792e383085cSLeon Romanovsky params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); 27936f2cf76eSLeon Romanovsky goto out; 27946f2cf76eSLeon Romanovsky } 27955ce0592bSLeon Romanovsky 27966f2cf76eSLeon Romanovsky /* RSS RAW QP */ 27975ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 27986f2cf76eSLeon Romanovsky return -EINVAL; 27996f2cf76eSLeon Romanovsky 28006f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 28016f2cf76eSLeon Romanovsky return -EINVAL; 28025ce0592bSLeon Romanovsky 28035ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 2804e383085cSLeon Romanovsky params->ucmd_size = ucmd; 28055ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 28066f2cf76eSLeon Romanovsky return -EINVAL; 28075ce0592bSLeon Romanovsky 28086f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 28096f2cf76eSLeon Romanovsky out: 28106f2cf76eSLeon Romanovsky if (!params->inlen) 2811e383085cSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small\n"); 28126f2cf76eSLeon Romanovsky 28136f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 28142fdddbd5SLeon Romanovsky } 28152fdddbd5SLeon Romanovsky 2816968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2817f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2818f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 28195d0dc3d9SLeon Romanovsky { 2820968f0b6fSLeon Romanovsky int err; 28215d0dc3d9SLeon Romanovsky 2822968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 2823968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 2824968f0b6fSLeon Romanovsky goto out; 2825968f0b6fSLeon Romanovsky } 2826968f0b6fSLeon Romanovsky 28272dc4d672SLeon Romanovsky switch (qp->type) { 28282dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 2829a645a89dSLeon Romanovsky err = create_dct(dev, pd, qp, params); 28302dc4d672SLeon Romanovsky break; 28312dc4d672SLeon Romanovsky case IB_QPT_XRC_TGT: 2832968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 28332dc4d672SLeon Romanovsky break; 28342dc4d672SLeon Romanovsky case IB_QPT_GSI: 28352dc4d672SLeon Romanovsky err = mlx5_ib_create_gsi(pd, qp, params->attr); 28362dc4d672SLeon Romanovsky break; 28372dc4d672SLeon Romanovsky default: 2838968f0b6fSLeon Romanovsky if (params->udata) 2839968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 2840968f0b6fSLeon Romanovsky else 2841968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 28422dc4d672SLeon Romanovsky } 2843968f0b6fSLeon Romanovsky 2844968f0b6fSLeon Romanovsky out: 2845968f0b6fSLeon Romanovsky if (err) { 2846968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 2847968f0b6fSLeon Romanovsky return err; 2848968f0b6fSLeon Romanovsky } 2849968f0b6fSLeon Romanovsky 2850968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 2851968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 2852968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 2853968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 2854968f0b6fSLeon Romanovsky else 2855968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2856968f0b6fSLeon Romanovsky 2857968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 28583e09a427SLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", 2859968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2860968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 2861968f0b6fSLeon Romanovsky -1, 2862968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 28633e09a427SLeon Romanovsky -1, 28643e09a427SLeon Romanovsky params->resp.ece_options); 2865968f0b6fSLeon Romanovsky 2866968f0b6fSLeon Romanovsky return 0; 28675d0dc3d9SLeon Romanovsky } 28685d0dc3d9SLeon Romanovsky 28697aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 28707aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 28717aede1a2SLeon Romanovsky { 28727aede1a2SLeon Romanovsky int ret = 0; 28737aede1a2SLeon Romanovsky 28747aede1a2SLeon Romanovsky switch (qp->type) { 28757aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 28767aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 28777aede1a2SLeon Romanovsky break; 28787aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 28797aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 28807aede1a2SLeon Romanovsky -EINVAL : 28817aede1a2SLeon Romanovsky 0; 28827aede1a2SLeon Romanovsky break; 2883266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 2884266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 2885266424ebSLeon Romanovsky break; 28867aede1a2SLeon Romanovsky default: 28877aede1a2SLeon Romanovsky break; 28887aede1a2SLeon Romanovsky } 28897aede1a2SLeon Romanovsky 28907aede1a2SLeon Romanovsky if (ret) 28917aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 28927aede1a2SLeon Romanovsky 28937aede1a2SLeon Romanovsky return ret; 28947aede1a2SLeon Romanovsky } 28957aede1a2SLeon Romanovsky 2896f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 2897f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 289821aad80bSLeon Romanovsky { 2899f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2900f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 290121aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 290221aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 290321aad80bSLeon Romanovsky 2904f78d358cSLeon Romanovsky if (params->is_rss_raw) 290521aad80bSLeon Romanovsky return 0; 290621aad80bSLeon Romanovsky 2907f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 290821aad80bSLeon Romanovsky } 290921aad80bSLeon Romanovsky 291008d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 291108d53976SLeon Romanovsky { 291208d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 291308d53976SLeon Romanovsky 291408d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 291508d53976SLeon Romanovsky int err; 291608d53976SLeon Romanovsky 291708d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 291808d53976SLeon Romanovsky if (err) { 291908d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 292008d53976SLeon Romanovsky return err; 292108d53976SLeon Romanovsky } 292208d53976SLeon Romanovsky } 292308d53976SLeon Romanovsky 292408d53976SLeon Romanovsky kfree(mqp->dct.in); 292508d53976SLeon Romanovsky kfree(mqp); 292608d53976SLeon Romanovsky return 0; 292708d53976SLeon Romanovsky } 292808d53976SLeon Romanovsky 2929e383085cSLeon Romanovsky static int check_ucmd_data(struct mlx5_ib_dev *dev, 2930e383085cSLeon Romanovsky struct mlx5_create_qp_params *params) 2931e383085cSLeon Romanovsky { 2932e383085cSLeon Romanovsky struct ib_udata *udata = params->udata; 2933e383085cSLeon Romanovsky size_t size, last; 2934e383085cSLeon Romanovsky int ret; 2935e383085cSLeon Romanovsky 2936e383085cSLeon Romanovsky if (params->is_rss_raw) 2937e383085cSLeon Romanovsky /* 2938e383085cSLeon Romanovsky * These QPs don't have "reserved" field in their 2939e383085cSLeon Romanovsky * create_qp input struct, so their data is always valid. 2940e383085cSLeon Romanovsky */ 2941e383085cSLeon Romanovsky last = sizeof(struct mlx5_ib_create_qp_rss); 2942e383085cSLeon Romanovsky else 2943e383085cSLeon Romanovsky last = offsetof(struct mlx5_ib_create_qp, reserved); 2944e383085cSLeon Romanovsky 2945e383085cSLeon Romanovsky if (udata->inlen <= last) 2946e383085cSLeon Romanovsky return 0; 2947e383085cSLeon Romanovsky 2948e383085cSLeon Romanovsky /* 2949e383085cSLeon Romanovsky * User provides different create_qp structures based on the 2950e383085cSLeon Romanovsky * flow and we need to know if he cleared memory after our 2951e383085cSLeon Romanovsky * struct create_qp ends. 2952e383085cSLeon Romanovsky */ 2953e383085cSLeon Romanovsky size = udata->inlen - last; 2954e383085cSLeon Romanovsky ret = ib_is_udata_cleared(params->udata, last, size); 2955e383085cSLeon Romanovsky if (!ret) 2956e383085cSLeon Romanovsky mlx5_ib_dbg( 2957e383085cSLeon Romanovsky dev, 29584f5747cfSTom Seewald "udata is not cleared, inlen = %zu, ucmd = %zu, last = %zu, size = %zu\n", 2959e383085cSLeon Romanovsky udata->inlen, params->ucmd_size, last, size); 2960e383085cSLeon Romanovsky return ret ? 0 : -EINVAL; 2961e383085cSLeon Romanovsky } 2962e383085cSLeon Romanovsky 2963f78d358cSLeon Romanovsky struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attr, 2964e126ba97SEli Cohen struct ib_udata *udata) 2965e126ba97SEli Cohen { 2966f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 2967e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2968e126ba97SEli Cohen struct mlx5_ib_qp *qp; 29697aede1a2SLeon Romanovsky enum ib_qp_type type; 2970e126ba97SEli Cohen int err; 2971e126ba97SEli Cohen 29726eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 2973f78d358cSLeon Romanovsky to_mdev(to_mxrcd(attr->xrcd)->ibxrcd.device); 29740fb2ed66Smajd@mellanox.com 2975f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 29762242cc25SLeon Romanovsky if (err) 29772242cc25SLeon Romanovsky return ERR_PTR(err); 2978e126ba97SEli Cohen 2979f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 2980f78d358cSLeon Romanovsky if (err) 2981f78d358cSLeon Romanovsky return ERR_PTR(err); 2982f78d358cSLeon Romanovsky 2983f78d358cSLeon Romanovsky params.udata = udata; 2984f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 2985f78d358cSLeon Romanovsky params.attr = attr; 2986f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 29879c2ba4edSLeon Romanovsky 29885ce0592bSLeon Romanovsky if (udata) { 29896f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 29906f2cf76eSLeon Romanovsky if (err) 29916f2cf76eSLeon Romanovsky return ERR_PTR(err); 29922fdddbd5SLeon Romanovsky 2993e383085cSLeon Romanovsky err = check_ucmd_data(dev, ¶ms); 2994e383085cSLeon Romanovsky if (err) 2995e383085cSLeon Romanovsky return ERR_PTR(err); 2996e383085cSLeon Romanovsky 2997e383085cSLeon Romanovsky params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); 2998f78d358cSLeon Romanovsky if (!params.ucmd) 29995ce0592bSLeon Romanovsky return ERR_PTR(-ENOMEM); 30005ce0592bSLeon Romanovsky 3001f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 30022fdddbd5SLeon Romanovsky if (err) 30035ce0592bSLeon Romanovsky goto free_ucmd; 30042fdddbd5SLeon Romanovsky } 30052fdddbd5SLeon Romanovsky 30069c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 30075ce0592bSLeon Romanovsky if (!qp) { 30085ce0592bSLeon Romanovsky err = -ENOMEM; 30095ce0592bSLeon Romanovsky goto free_ucmd; 30105ce0592bSLeon Romanovsky } 30119c2ba4edSLeon Romanovsky 30127fa84b57SLeon Romanovsky mutex_init(&qp->mutex); 30137aede1a2SLeon Romanovsky qp->type = type; 301437518fa4SLeon Romanovsky if (udata) { 3015f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 3016b4aaa1f0SMoni Shoua if (err) 30179c2ba4edSLeon Romanovsky goto free_qp; 301821aad80bSLeon Romanovsky 3019f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 302021aad80bSLeon Romanovsky if (err) 302121aad80bSLeon Romanovsky goto free_qp; 3022b4aaa1f0SMoni Shoua } 3023f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 30242978975cSLeon Romanovsky if (err) 30252978975cSLeon Romanovsky goto free_qp; 3026b4aaa1f0SMoni Shoua 3027f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 30287aede1a2SLeon Romanovsky if (err) 30297aede1a2SLeon Romanovsky goto free_qp; 30307aede1a2SLeon Romanovsky 3031968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 3032968f0b6fSLeon Romanovsky if (err) 30339c2ba4edSLeon Romanovsky goto free_qp; 3034e126ba97SEli Cohen 3035f78d358cSLeon Romanovsky kfree(params.ucmd); 303608d53976SLeon Romanovsky params.ucmd = NULL; 30375ce0592bSLeon Romanovsky 303808d53976SLeon Romanovsky if (udata) 303908d53976SLeon Romanovsky /* 304008d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 304108d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 304208d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 304308d53976SLeon Romanovsky */ 304408d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 304508d53976SLeon Romanovsky if (err) 304608d53976SLeon Romanovsky goto destroy_qp; 304708d53976SLeon Romanovsky 3048e126ba97SEli Cohen return &qp->ibqp; 30499c2ba4edSLeon Romanovsky 305008d53976SLeon Romanovsky destroy_qp: 30512dc4d672SLeon Romanovsky switch (qp->type) { 30522dc4d672SLeon Romanovsky case MLX5_IB_QPT_DCT: 305308d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 30542dc4d672SLeon Romanovsky break; 30552dc4d672SLeon Romanovsky case IB_QPT_GSI: 30562dc4d672SLeon Romanovsky mlx5_ib_destroy_gsi(qp); 30572dc4d672SLeon Romanovsky break; 30582dc4d672SLeon Romanovsky default: 30596c41965dSLeon Romanovsky /* 30600a037150SLeon Romanovsky * These lines below are temp solution till QP allocation 30616c41965dSLeon Romanovsky * will be moved to be under IB/core responsiblity. 30626c41965dSLeon Romanovsky */ 30636c41965dSLeon Romanovsky qp->ibqp.send_cq = attr->send_cq; 30646c41965dSLeon Romanovsky qp->ibqp.recv_cq = attr->recv_cq; 30650a037150SLeon Romanovsky qp->ibqp.pd = pd; 306608d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 30676c41965dSLeon Romanovsky } 30686c41965dSLeon Romanovsky 306908d53976SLeon Romanovsky qp = NULL; 30709c2ba4edSLeon Romanovsky free_qp: 30719c2ba4edSLeon Romanovsky kfree(qp); 30725ce0592bSLeon Romanovsky free_ucmd: 3073f78d358cSLeon Romanovsky kfree(params.ucmd); 30749c2ba4edSLeon Romanovsky return ERR_PTR(err); 3075e126ba97SEli Cohen } 3076e126ba97SEli Cohen 3077c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 3078e126ba97SEli Cohen { 3079e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 3080e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 3081e126ba97SEli Cohen 3082d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 30830d9aef86SLeon Romanovsky return mlx5_ib_destroy_gsi(mqp); 3084d16e91daSHaggai Eran 30857aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 3086776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 3087776a3906SMoni Shoua 3088bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 3089e126ba97SEli Cohen 3090e126ba97SEli Cohen kfree(mqp); 3091e126ba97SEli Cohen 3092e126ba97SEli Cohen return 0; 3093e126ba97SEli Cohen } 3094e126ba97SEli Cohen 3095f18e26afSLeon Romanovsky static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, 3096f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, int attr_mask, 3097f18e26afSLeon Romanovsky void *qpc) 3098e126ba97SEli Cohen { 3099a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 3100f18e26afSLeon Romanovsky u8 dest_rd_atomic; 3101f18e26afSLeon Romanovsky u32 access_flags; 3102a60109dcSYonatan Cohen 3103e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 3104e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 3105e126ba97SEli Cohen else 310619098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 3107e126ba97SEli Cohen 3108e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 3109e126ba97SEli Cohen access_flags = attr->qp_access_flags; 3110e126ba97SEli Cohen else 311119098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 3112e126ba97SEli Cohen 3113e126ba97SEli Cohen if (!dest_rd_atomic) 3114e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 3115e126ba97SEli Cohen 3116f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); 3117f18e26afSLeon Romanovsky 311813f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3119a60109dcSYonatan Cohen int atomic_mode; 3120e126ba97SEli Cohen 3121a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 3122a60109dcSYonatan Cohen if (atomic_mode < 0) 3123a60109dcSYonatan Cohen return -EOPNOTSUPP; 3124a60109dcSYonatan Cohen 3125f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rae, 1); 3126f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); 3127a60109dcSYonatan Cohen } 3128a60109dcSYonatan Cohen 3129f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); 3130a60109dcSYonatan Cohen return 0; 3131e126ba97SEli Cohen } 3132e126ba97SEli Cohen 3133e126ba97SEli Cohen enum { 3134e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3135e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3136e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3137e126ba97SEli Cohen }; 3138e126ba97SEli Cohen 31396fe6e568SMark Zhang static int mlx5_to_ib_rate_map(u8 rate) 31406fe6e568SMark Zhang { 31416fe6e568SMark Zhang static const int rates[] = { IB_RATE_PORT_CURRENT, IB_RATE_56_GBPS, 31426fe6e568SMark Zhang IB_RATE_25_GBPS, IB_RATE_100_GBPS, 31436fe6e568SMark Zhang IB_RATE_200_GBPS, IB_RATE_50_GBPS, 31446fe6e568SMark Zhang IB_RATE_400_GBPS }; 31456fe6e568SMark Zhang 31466fe6e568SMark Zhang if (rate < ARRAY_SIZE(rates)) 31476fe6e568SMark Zhang return rates[rate]; 31486fe6e568SMark Zhang 31496fe6e568SMark Zhang return rate - MLX5_STAT_RATE_OFFSET; 31506fe6e568SMark Zhang } 31516fe6e568SMark Zhang 3152c531024bSMark Zhang static int ib_to_mlx5_rate_map(u8 rate) 3153c531024bSMark Zhang { 3154c531024bSMark Zhang switch (rate) { 3155c531024bSMark Zhang case IB_RATE_PORT_CURRENT: 3156c531024bSMark Zhang return 0; 3157c531024bSMark Zhang case IB_RATE_56_GBPS: 3158c531024bSMark Zhang return 1; 3159c531024bSMark Zhang case IB_RATE_25_GBPS: 3160c531024bSMark Zhang return 2; 3161c531024bSMark Zhang case IB_RATE_100_GBPS: 3162c531024bSMark Zhang return 3; 3163c531024bSMark Zhang case IB_RATE_200_GBPS: 3164c531024bSMark Zhang return 4; 3165c531024bSMark Zhang case IB_RATE_50_GBPS: 3166c531024bSMark Zhang return 5; 3167c70f51deSPatrisious Haddad case IB_RATE_400_GBPS: 3168c70f51deSPatrisious Haddad return 6; 3169c531024bSMark Zhang default: 3170c531024bSMark Zhang return rate + MLX5_STAT_RATE_OFFSET; 31717f1d2dfaSTom Rix } 3172c531024bSMark Zhang 3173c531024bSMark Zhang return 0; 3174c531024bSMark Zhang } 3175c531024bSMark Zhang 3176e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3177e126ba97SEli Cohen { 3178c531024bSMark Zhang u32 stat_rate_support; 3179c531024bSMark Zhang 31804f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3181e126ba97SEli Cohen return 0; 31824f32ac2eSDanit Goldberg 3183a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3184e126ba97SEli Cohen return -EINVAL; 31854f32ac2eSDanit Goldberg 3186c531024bSMark Zhang stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); 31874f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3188c531024bSMark Zhang !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) 3189e126ba97SEli Cohen --rate; 3190e126ba97SEli Cohen 3191c531024bSMark Zhang return ib_to_mlx5_rate_map(rate); 3192e126ba97SEli Cohen } 3193e126ba97SEli Cohen 319475850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 31951cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 31961cd6dbd3SYishai Hadas struct ib_pd *pd) 319775850d0bSmajd@mellanox.com { 319875850d0bSmajd@mellanox.com void *in; 319975850d0bSmajd@mellanox.com void *tisc; 320075850d0bSmajd@mellanox.com int inlen; 320175850d0bSmajd@mellanox.com int err; 320275850d0bSmajd@mellanox.com 320375850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 32041b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 320575850d0bSmajd@mellanox.com if (!in) 320675850d0bSmajd@mellanox.com return -ENOMEM; 320775850d0bSmajd@mellanox.com 320875850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 32091cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 321075850d0bSmajd@mellanox.com 321175850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 321275850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 321375850d0bSmajd@mellanox.com 3214e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 321575850d0bSmajd@mellanox.com 321675850d0bSmajd@mellanox.com kvfree(in); 321775850d0bSmajd@mellanox.com 321875850d0bSmajd@mellanox.com return err; 321975850d0bSmajd@mellanox.com } 322075850d0bSmajd@mellanox.com 322113eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 32221cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 32231cd6dbd3SYishai Hadas struct ib_pd *pd) 322413eab21fSAviv Heller { 322513eab21fSAviv Heller void *in; 322613eab21fSAviv Heller void *tisc; 322713eab21fSAviv Heller int inlen; 322813eab21fSAviv Heller int err; 322913eab21fSAviv Heller 323013eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 32311b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 323213eab21fSAviv Heller if (!in) 323313eab21fSAviv Heller return -ENOMEM; 323413eab21fSAviv Heller 323513eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 32361cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 323713eab21fSAviv Heller 323813eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 323913eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 324013eab21fSAviv Heller 3241e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 324213eab21fSAviv Heller 324313eab21fSAviv Heller kvfree(in); 324413eab21fSAviv Heller 324513eab21fSAviv Heller return err; 324613eab21fSAviv Heller } 324713eab21fSAviv Heller 3248f18e26afSLeon Romanovsky static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, 32492b880b2eSMark Zhang u32 lqpn, u32 rqpn) 32502b880b2eSMark Zhang 32512b880b2eSMark Zhang { 32522b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 32532b880b2eSMark Zhang 32542b880b2eSMark Zhang if (!fl) 32552b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 32562b880b2eSMark Zhang 3257f18e26afSLeon Romanovsky MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); 32582b880b2eSMark Zhang } 32592b880b2eSMark Zhang 326075850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 3261f18e26afSLeon Romanovsky const struct rdma_ah_attr *ah, void *path, u8 port, 3262f18e26afSLeon Romanovsky int attr_mask, u32 path_flags, 3263f18e26afSLeon Romanovsky const struct ib_qp_attr *attr, bool alt) 3264e126ba97SEli Cohen { 3265d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3266e126ba97SEli Cohen int err; 3267ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3268d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3269d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3270e126ba97SEli Cohen 3271e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3272f18e26afSLeon Romanovsky MLX5_SET(ads, path, pkey_index, 3273f18e26afSLeon Romanovsky alt ? attr->alt_pkey_index : attr->pkey_index); 3274e126ba97SEli Cohen 3275d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 32767416790eSParav Pandit const struct ib_port_immutable *immutable; 32777416790eSParav Pandit 32787416790eSParav Pandit immutable = ib_port_immutable_read(&dev->ib_dev, port); 32797416790eSParav Pandit if (grh->sgid_index >= immutable->gid_tbl_len) { 3280f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3281d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 32827416790eSParav Pandit immutable->gid_tbl_len); 3283f83b4263SEli Cohen return -EINVAL; 3284f83b4263SEli Cohen } 32852811ba51SAchiad Shochat } 328644c58487SDasaratharaman Chandramouli 328744c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3288d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 32892811ba51SAchiad Shochat return -EINVAL; 329047ec3866SParav Pandit 3291f18e26afSLeon Romanovsky ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), 3292f18e26afSLeon Romanovsky ah->roce.dmac); 32932b880b2eSMark Zhang if ((qp->ibqp.qp_type == IB_QPT_RC || 32942b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 32952b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 32962b880b2eSMark Zhang qp->ibqp.qp_type == IB_QPT_XRC_TGT) && 32972b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 32982b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 32992b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 33002b880b2eSMark Zhang qp->ibqp.qp_num, 33012b880b2eSMark Zhang attr->dest_qp_num); 3302f18e26afSLeon Romanovsky MLX5_SET(ads, path, eth_prio, sl & 0x7); 330347ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3304ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3305f18e26afSLeon Romanovsky MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); 33062811ba51SAchiad Shochat } else { 3307f18e26afSLeon Romanovsky MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); 3308f18e26afSLeon Romanovsky MLX5_SET(ads, path, free_ar, 3309f18e26afSLeon Romanovsky !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); 3310f18e26afSLeon Romanovsky MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); 3311f18e26afSLeon Romanovsky MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); 3312f18e26afSLeon Romanovsky MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); 3313f18e26afSLeon Romanovsky MLX5_SET(ads, path, sl, sl); 33142811ba51SAchiad Shochat } 33152811ba51SAchiad Shochat 3316d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3317f18e26afSLeon Romanovsky MLX5_SET(ads, path, src_addr_index, grh->sgid_index); 3318f18e26afSLeon Romanovsky MLX5_SET(ads, path, hop_limit, grh->hop_limit); 3319f18e26afSLeon Romanovsky MLX5_SET(ads, path, tclass, grh->traffic_class); 3320f18e26afSLeon Romanovsky MLX5_SET(ads, path, flow_label, grh->flow_label); 3321f18e26afSLeon Romanovsky memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, 3322f18e26afSLeon Romanovsky sizeof(grh->dgid.raw)); 3323e126ba97SEli Cohen } 3324e126ba97SEli Cohen 3325d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3326e126ba97SEli Cohen if (err < 0) 3327e126ba97SEli Cohen return err; 3328f18e26afSLeon Romanovsky MLX5_SET(ads, path, stat_rate, err); 3329f18e26afSLeon Romanovsky MLX5_SET(ads, path, vhca_port_num, port); 3330e126ba97SEli Cohen 3331e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3332f18e26afSLeon Romanovsky MLX5_SET(ads, path, ack_timeout, 3333f18e26afSLeon Romanovsky alt ? attr->alt_timeout : attr->timeout); 3334e126ba97SEli Cohen 333575850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 333675850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 333775850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 33381cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 333975850d0bSmajd@mellanox.com 3340e126ba97SEli Cohen return 0; 3341e126ba97SEli Cohen } 3342e126ba97SEli Cohen 3343e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3344e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3345e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3346e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3347e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3348e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3349e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3350cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3351cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3352e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3353e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3354cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3355cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3356e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3357e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3358e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 33598f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 33608f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 33618f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 33628f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3363cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3364cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3365e126ba97SEli Cohen }, 3366e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3367e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3368e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3369e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3370e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3371cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3372cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3373e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3374e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3375cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3376cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3377e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3378e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3379e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3380e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3381a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3382a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3383a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3384a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3385cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3386cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3387e126ba97SEli Cohen }, 3388e126ba97SEli Cohen }, 3389e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3390e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3391e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3392e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3393e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3394e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3395e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3396e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3397e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3398e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3399e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3400e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 34018f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 34028f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 34038f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34048f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34058f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 34068f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3407e126ba97SEli Cohen }, 3408e126ba97SEli Cohen }, 3409e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3410e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3411e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3412e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3413e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3414e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3415c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3416c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3417e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3418c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3419c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3420e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3421e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3422e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 34238f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 34248f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34258f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34268f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 34278f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 34288f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3429e126ba97SEli Cohen }, 3430e126ba97SEli Cohen }, 3431e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3432e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3433e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3434e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 343575959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3436a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3437a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3438a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3439a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 34408f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 34418f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 34428f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 34438f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3444e126ba97SEli Cohen }, 3445e126ba97SEli Cohen }, 3446e126ba97SEli Cohen }; 3447e126ba97SEli Cohen 3448e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3449e126ba97SEli Cohen { 3450e126ba97SEli Cohen switch (ib_mask) { 3451e126ba97SEli Cohen case IB_QP_STATE: 3452e126ba97SEli Cohen return 0; 3453e126ba97SEli Cohen case IB_QP_CUR_STATE: 3454e126ba97SEli Cohen return 0; 3455e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3456e126ba97SEli Cohen return 0; 3457e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3458e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3459e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3460e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3461e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3462e126ba97SEli Cohen case IB_QP_PORT: 3463e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3464e126ba97SEli Cohen case IB_QP_QKEY: 3465e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3466e126ba97SEli Cohen case IB_QP_AV: 3467e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3468e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3469e126ba97SEli Cohen case IB_QP_PATH_MTU: 3470e126ba97SEli Cohen return 0; 3471e126ba97SEli Cohen case IB_QP_TIMEOUT: 3472e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3473e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3474e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3475e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3476e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3477e126ba97SEli Cohen case IB_QP_RQ_PSN: 3478e126ba97SEli Cohen return 0; 3479e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3480e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3481e126ba97SEli Cohen case IB_QP_ALT_PATH: 3482e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3483e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3484e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3485e126ba97SEli Cohen case IB_QP_SQ_PSN: 3486e126ba97SEli Cohen return 0; 3487e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3488e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3489e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3490e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3491e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3492e126ba97SEli Cohen case IB_QP_CAP: 3493e126ba97SEli Cohen return 0; 3494e126ba97SEli Cohen case IB_QP_DEST_QPN: 3495e126ba97SEli Cohen return 0; 3496e126ba97SEli Cohen } 3497e126ba97SEli Cohen return 0; 3498e126ba97SEli Cohen } 3499e126ba97SEli Cohen 3500e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3501e126ba97SEli Cohen { 3502e126ba97SEli Cohen int result = 0; 3503e126ba97SEli Cohen int i; 3504e126ba97SEli Cohen 3505e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3506e126ba97SEli Cohen if ((1 << i) & ib_mask) 3507e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3508e126ba97SEli Cohen } 3509e126ba97SEli Cohen 3510e126ba97SEli Cohen return result; 3511e126ba97SEli Cohen } 3512e126ba97SEli Cohen 351334d57585SYishai Hadas static int modify_raw_packet_qp_rq( 351434d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 351534d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3516ad5f8e96Smajd@mellanox.com { 3517ad5f8e96Smajd@mellanox.com void *in; 3518ad5f8e96Smajd@mellanox.com void *rqc; 3519ad5f8e96Smajd@mellanox.com int inlen; 3520ad5f8e96Smajd@mellanox.com int err; 3521ad5f8e96Smajd@mellanox.com 3522ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 35231b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3524ad5f8e96Smajd@mellanox.com if (!in) 3525ad5f8e96Smajd@mellanox.com return -ENOMEM; 3526ad5f8e96Smajd@mellanox.com 3527ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 352834d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3529ad5f8e96Smajd@mellanox.com 3530ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3531ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3532ad5f8e96Smajd@mellanox.com 3533eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3534eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3535eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 353623a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3537eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3538eb49ab0cSAlex Vesker } else 35395a738b5dSJason Gunthorpe dev_info_once( 35405a738b5dSJason Gunthorpe &dev->ib_dev.dev, 35415a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3542eb49ab0cSAlex Vesker } 3543eb49ab0cSAlex Vesker 3544e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3545ad5f8e96Smajd@mellanox.com if (err) 3546ad5f8e96Smajd@mellanox.com goto out; 3547ad5f8e96Smajd@mellanox.com 3548ad5f8e96Smajd@mellanox.com rq->state = new_state; 3549ad5f8e96Smajd@mellanox.com 3550ad5f8e96Smajd@mellanox.com out: 3551ad5f8e96Smajd@mellanox.com kvfree(in); 3552ad5f8e96Smajd@mellanox.com return err; 3553ad5f8e96Smajd@mellanox.com } 3554ad5f8e96Smajd@mellanox.com 3555c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3556c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3557c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3558ad5f8e96Smajd@mellanox.com { 35597d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 356061147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 356161147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 356261147f39SBodong Wang bool new_rate_added = false; 35637d29f349SBodong Wang u16 rl_index = 0; 3564ad5f8e96Smajd@mellanox.com void *in; 3565ad5f8e96Smajd@mellanox.com void *sqc; 3566ad5f8e96Smajd@mellanox.com int inlen; 3567ad5f8e96Smajd@mellanox.com int err; 3568ad5f8e96Smajd@mellanox.com 3569ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 35701b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3571ad5f8e96Smajd@mellanox.com if (!in) 3572ad5f8e96Smajd@mellanox.com return -ENOMEM; 3573ad5f8e96Smajd@mellanox.com 3574c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3575ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3576ad5f8e96Smajd@mellanox.com 3577ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3578ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3579ad5f8e96Smajd@mellanox.com 35807d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 35817d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 35827d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 35837d29f349SBodong Wang __func__); 35847d29f349SBodong Wang else 358561147f39SBodong Wang new_rl = raw_qp_param->rl; 35867d29f349SBodong Wang } 3587ad5f8e96Smajd@mellanox.com 358861147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 358961147f39SBodong Wang if (new_rl.rate) { 359061147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 35917d29f349SBodong Wang if (err) { 359261147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 359361147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 359461147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 359561147f39SBodong Wang new_rl.typical_pkt_sz); 359661147f39SBodong Wang 35977d29f349SBodong Wang goto out; 35987d29f349SBodong Wang } 359961147f39SBodong Wang new_rate_added = true; 36007d29f349SBodong Wang } 36017d29f349SBodong Wang 36027d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 360361147f39SBodong Wang /* index 0 means no limit */ 36047d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 36057d29f349SBodong Wang } 36067d29f349SBodong Wang 3607e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 36087d29f349SBodong Wang if (err) { 36097d29f349SBodong Wang /* Remove new rate from table if failed */ 361061147f39SBodong Wang if (new_rate_added) 361161147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 36127d29f349SBodong Wang goto out; 36137d29f349SBodong Wang } 36147d29f349SBodong Wang 36157d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3616c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3617c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 361861147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3619c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3620c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3621c8973df2SRafi Wiener } 36227d29f349SBodong Wang 362361147f39SBodong Wang ibqp->rl = new_rl; 3624ad5f8e96Smajd@mellanox.com sq->state = new_state; 3625ad5f8e96Smajd@mellanox.com 3626ad5f8e96Smajd@mellanox.com out: 3627ad5f8e96Smajd@mellanox.com kvfree(in); 3628ad5f8e96Smajd@mellanox.com return err; 3629ad5f8e96Smajd@mellanox.com } 3630ad5f8e96Smajd@mellanox.com 3631ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 363213eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 363313eab21fSAviv Heller u8 tx_affinity) 3634ad5f8e96Smajd@mellanox.com { 3635ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3636ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3637ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 36387d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 36397d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3640ad5f8e96Smajd@mellanox.com int rq_state; 3641ad5f8e96Smajd@mellanox.com int sq_state; 3642ad5f8e96Smajd@mellanox.com int err; 3643ad5f8e96Smajd@mellanox.com 36440680efa2SAlex Vesker switch (raw_qp_param->operation) { 3645ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3646ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3647c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RST; 3648ad5f8e96Smajd@mellanox.com break; 3649ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3650ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3651ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3652ad5f8e96Smajd@mellanox.com break; 3653ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3654ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3655ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3656ad5f8e96Smajd@mellanox.com break; 3657ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3658ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 3659c94e272bSMaor Gottlieb if (raw_qp_param->set_mask & ~MLX5_RAW_QP_RATE_LIMIT) 3660c94e272bSMaor Gottlieb return -EINVAL; 3661c94e272bSMaor Gottlieb 36627d29f349SBodong Wang modify_rq = 0; 3663c94e272bSMaor Gottlieb sq_state = MLX5_SQC_STATE_RDY; 36647d29f349SBodong Wang break; 36657d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 36667d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3667eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3668eb49ab0cSAlex Vesker return -EINVAL; 3669eb49ab0cSAlex Vesker else 3670ad5f8e96Smajd@mellanox.com return 0; 3671ad5f8e96Smajd@mellanox.com default: 3672ad5f8e96Smajd@mellanox.com WARN_ON(1); 3673ad5f8e96Smajd@mellanox.com return -EINVAL; 3674ad5f8e96Smajd@mellanox.com } 3675ad5f8e96Smajd@mellanox.com 36767d29f349SBodong Wang if (modify_rq) { 367734d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 367834d57585SYishai Hadas qp->ibqp.pd); 3679ad5f8e96Smajd@mellanox.com if (err) 3680ad5f8e96Smajd@mellanox.com return err; 3681ad5f8e96Smajd@mellanox.com } 3682ad5f8e96Smajd@mellanox.com 36837d29f349SBodong Wang if (modify_sq) { 3684d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3685d5ed8ac3SMark Bloch 368613eab21fSAviv Heller if (tx_affinity) { 368713eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 36881cd6dbd3SYishai Hadas tx_affinity, 36891cd6dbd3SYishai Hadas qp->ibqp.pd); 369013eab21fSAviv Heller if (err) 369113eab21fSAviv Heller return err; 369213eab21fSAviv Heller } 369313eab21fSAviv Heller 3694d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3695d5ed8ac3SMark Bloch raw_qp_param->port); 3696d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 36971db86318SColin Ian King return PTR_ERR(flow_rule); 3698d5ed8ac3SMark Bloch 3699d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3700c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3701d5ed8ac3SMark Bloch if (err) { 3702d5ed8ac3SMark Bloch if (flow_rule) 3703d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3704d5ed8ac3SMark Bloch return err; 3705d5ed8ac3SMark Bloch } 3706d5ed8ac3SMark Bloch 3707d5ed8ac3SMark Bloch if (flow_rule) { 3708d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3709d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3710d5ed8ac3SMark Bloch } 3711d5ed8ac3SMark Bloch 3712d5ed8ac3SMark Bloch return err; 371313eab21fSAviv Heller } 3714ad5f8e96Smajd@mellanox.com 3715ad5f8e96Smajd@mellanox.com return 0; 3716ad5f8e96Smajd@mellanox.com } 3717ad5f8e96Smajd@mellanox.com 37185163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 37195163b274SMaor Gottlieb struct ib_udata *udata) 3720c6a21c38SMajd Dibbiny { 372189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 372289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 37235163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 37245163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3725c6a21c38SMajd Dibbiny 37265163b274SMaor Gottlieb if (ucontext) 37275163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 37285163b274SMaor Gottlieb else 37295163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 37305163b274SMaor Gottlieb 37315163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 37325163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3733c6a21c38SMajd Dibbiny } 3734c6a21c38SMajd Dibbiny 37358f3243a0SMark Zhang static bool qp_supports_affinity(struct mlx5_ib_qp *qp) 37365163b274SMaor Gottlieb { 37378f3243a0SMark Zhang if ((qp->type == IB_QPT_RC) || (qp->type == IB_QPT_UD) || 37388f3243a0SMark Zhang (qp->type == IB_QPT_UC) || (qp->type == IB_QPT_RAW_PACKET) || 37398f3243a0SMark Zhang (qp->type == IB_QPT_XRC_INI) || (qp->type == IB_QPT_XRC_TGT) || 37408f3243a0SMark Zhang (qp->type == MLX5_IB_QPT_DCI)) 37415163b274SMaor Gottlieb return true; 37425163b274SMaor Gottlieb return false; 37435163b274SMaor Gottlieb } 37445163b274SMaor Gottlieb 3745cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3746cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3747cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 37485163b274SMaor Gottlieb struct ib_udata *udata) 37495163b274SMaor Gottlieb { 37505163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 37515163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 37525163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 37535163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 37545163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 37555163b274SMaor Gottlieb unsigned int tx_affinity; 37565163b274SMaor Gottlieb 3757802dcc7fSMark Zhang if (!(mlx5_ib_lag_should_assign_affinity(dev) && 37588f3243a0SMark Zhang qp_supports_affinity(mqp))) 37595163b274SMaor Gottlieb return 0; 37605163b274SMaor Gottlieb 3761cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3762cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3763cfc1a89eSMaor Gottlieb else if (init) 37645163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3765cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3766cfc1a89eSMaor Gottlieb tx_affinity = 3767cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3768cfc1a89eSMaor Gottlieb else 3769cfc1a89eSMaor Gottlieb return 0; 37705163b274SMaor Gottlieb 37715163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 37725163b274SMaor Gottlieb if (ucontext) 37735163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 37745163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 37755163b274SMaor Gottlieb else 37765163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 37775163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 37785163b274SMaor Gottlieb return tx_affinity; 3779c6a21c38SMajd Dibbiny } 3780c6a21c38SMajd Dibbiny 3781d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3782d14133ddSMark Zhang struct rdma_counter *counter) 3783d14133ddSMark Zhang { 3784d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 378564bae2d4SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; 3786d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3787d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3788d14133ddSMark Zhang u32 set_id; 378964bae2d4SLeon Romanovsky u32 *qpc; 3790d14133ddSMark Zhang 37913e1f000fSParav Pandit if (counter) 3792d14133ddSMark Zhang set_id = counter->id; 37933e1f000fSParav Pandit else 37943e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3795d14133ddSMark Zhang 3796d14133ddSMark Zhang base = &mqp->trans_qp.base; 379764bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); 379864bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); 379964bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); 380064bae2d4SLeon Romanovsky MLX5_SET(rts2rts_qp_in, in, opt_param_mask, 380164bae2d4SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID); 380264bae2d4SLeon Romanovsky 380364bae2d4SLeon Romanovsky qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); 380464bae2d4SLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 380564bae2d4SLeon Romanovsky return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); 3806d14133ddSMark Zhang } 3807d14133ddSMark Zhang 3808e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3809e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 381089944450SShamir Rabinovitch enum ib_qp_state cur_state, 381189944450SShamir Rabinovitch enum ib_qp_state new_state, 381289944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 381350aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp *resp, 381489944450SShamir Rabinovitch struct ib_udata *udata) 3815e126ba97SEli Cohen { 3816427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3817427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3818427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3819427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3820427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3821427c1e7bSmajd@mellanox.com }, 3822427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3823427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3824427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3825427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3826427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3827427c1e7bSmajd@mellanox.com }, 3828427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 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_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3832427c1e7bSmajd@mellanox.com }, 3833427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3834427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3835427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3836427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3837427c1e7bSmajd@mellanox.com }, 3838427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3839427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3840427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3841427c1e7bSmajd@mellanox.com }, 3842427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3843427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3844427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3845427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3846427c1e7bSmajd@mellanox.com }, 3847427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3848427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3849427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3850427c1e7bSmajd@mellanox.com } 3851427c1e7bSmajd@mellanox.com }; 3852427c1e7bSmajd@mellanox.com 3853e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3854e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 385519098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3856e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3857e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3858e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3859f18e26afSLeon Romanovsky void *qpc, *pri_path, *alt_path; 3860cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 3861d14133ddSMark Zhang u32 set_id = 0; 3862e126ba97SEli Cohen int mlx5_st; 3863e126ba97SEli Cohen int err; 3864427c1e7bSmajd@mellanox.com u16 op; 386513eab21fSAviv Heller u8 tx_affinity = 0; 3866e126ba97SEli Cohen 38677aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 386855de9a77SLeon Romanovsky if (mlx5_st < 0) 386955de9a77SLeon Romanovsky return -EINVAL; 387055de9a77SLeon Romanovsky 3871f18e26afSLeon Romanovsky qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); 3872f18e26afSLeon Romanovsky if (!qpc) 3873e126ba97SEli Cohen return -ENOMEM; 3874e126ba97SEli Cohen 3875029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 3876f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 3877e126ba97SEli Cohen 3878e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3879f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3880e126ba97SEli Cohen } else { 3881e126ba97SEli Cohen switch (attr->path_mig_state) { 3882e126ba97SEli Cohen case IB_MIG_MIGRATED: 3883f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 3884e126ba97SEli Cohen break; 3885e126ba97SEli Cohen case IB_MIG_REARM: 3886f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); 3887e126ba97SEli Cohen break; 3888e126ba97SEli Cohen case IB_MIG_ARMED: 3889f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); 3890e126ba97SEli Cohen break; 3891e126ba97SEli Cohen } 3892e126ba97SEli Cohen } 3893e126ba97SEli Cohen 3894cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 38955163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 38965163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 3897f18e26afSLeon Romanovsky 3898f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); 3899f18e26afSLeon Romanovsky if (tx_affinity && new_state == IB_QPS_RTR && 3900cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 3901cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 390213eab21fSAviv Heller 3903d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3904f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_256); 3905f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 8); 3906c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 39072be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3908e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3909f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); 3910f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 12); 3911e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3912e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3913e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3914e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3915e126ba97SEli Cohen err = -EINVAL; 3916e126ba97SEli Cohen goto out; 3917e126ba97SEli Cohen } 3918f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, mtu, attr->path_mtu); 3919f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_msg_max, 3920f18e26afSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, log_max_msg)); 3921e126ba97SEli Cohen } 3922e126ba97SEli Cohen 3923e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3924f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); 3925f18e26afSLeon Romanovsky 3926f18e26afSLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 3927f18e26afSLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 3928e126ba97SEli Cohen 3929e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3930f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); 3931e126ba97SEli Cohen 3932e126ba97SEli Cohen /* todo implement counter_index functionality */ 3933e126ba97SEli Cohen 3934e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3935f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, qp->port); 3936e126ba97SEli Cohen 3937e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3938f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); 3939e126ba97SEli Cohen 3940e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 3941f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, 3942f18e26afSLeon Romanovsky attr_mask & IB_QP_PORT ? attr->port_num : 3943f18e26afSLeon Romanovsky qp->port, 3944f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3945e126ba97SEli Cohen if (err) 3946e126ba97SEli Cohen goto out; 3947e126ba97SEli Cohen } 3948e126ba97SEli Cohen 3949e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3950f18e26afSLeon Romanovsky MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); 3951e126ba97SEli Cohen 3952e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 3953f18e26afSLeon Romanovsky err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, 3954f879ee8dSAchiad Shochat attr->alt_port_num, 3955f18e26afSLeon Romanovsky attr_mask | IB_QP_PKEY_INDEX | 3956f18e26afSLeon Romanovsky IB_QP_TIMEOUT, 3957f879ee8dSAchiad Shochat 0, attr, true); 3958e126ba97SEli Cohen if (err) 3959e126ba97SEli Cohen goto out; 3960e126ba97SEli Cohen } 3961e126ba97SEli Cohen 396289ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 396389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3964e126ba97SEli Cohen 3965f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3966f18e26afSLeon Romanovsky if (send_cq) 3967f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); 3968f18e26afSLeon Romanovsky if (recv_cq) 3969f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); 3970f18e26afSLeon Romanovsky 3971f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); 3972e126ba97SEli Cohen 3973e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3974f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); 3975e126ba97SEli Cohen 3976e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3977f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); 3978e126ba97SEli Cohen 3979f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) 3980f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); 3981e126ba97SEli Cohen 3982e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3983f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); 3984e126ba97SEli Cohen 3985f18e26afSLeon Romanovsky if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) 3986f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, log_rra_max, 3987f18e26afSLeon Romanovsky ilog2(attr->max_dest_rd_atomic)); 3988e126ba97SEli Cohen 3989a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3990f18e26afSLeon Romanovsky err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); 3991a60109dcSYonatan Cohen if (err) 3992a60109dcSYonatan Cohen goto out; 3993a60109dcSYonatan Cohen } 3994e126ba97SEli Cohen 3995e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3996f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); 3997e126ba97SEli Cohen 3998e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3999f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); 4000e126ba97SEli Cohen 4001e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 4002f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, q_key, attr->qkey); 4003e126ba97SEli Cohen 4004e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4005f18e26afSLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 4006e126ba97SEli Cohen 40070837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 40080837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 40090837e86aSMark Bloch qp->port) - 1; 4010c2e53b2cSYishai Hadas 4011c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 40122be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 4013c2e53b2cSYishai Hadas port_num = 0; 4014c2e53b2cSYishai Hadas 4015d14133ddSMark Zhang if (ibqp->counter) 4016d14133ddSMark Zhang set_id = ibqp->counter->id; 4017d14133ddSMark Zhang else 40183e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 4019f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, counter_set_id, set_id); 40200837e86aSMark Bloch } 40210837e86aSMark Bloch 4022e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 4023f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, rlky, 1); 4024e126ba97SEli Cohen 40252be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 4026f18e26afSLeon Romanovsky MLX5_SET(qpc, qpc, deth_sqpn, 1); 4027e126ba97SEli Cohen 4028e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 4029e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 4030e126ba97SEli Cohen 4031427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 40325d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 40335d414b17SDan Carpenter err = -EINVAL; 4034427c1e7bSmajd@mellanox.com goto out; 40355d414b17SDan Carpenter } 4036427c1e7bSmajd@mellanox.com 4037427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 4038cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 4039e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 4040ad5f8e96Smajd@mellanox.com 4041c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 40422be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 40430680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 40440680efa2SAlex Vesker 40450680efa2SAlex Vesker raw_qp_param.operation = op; 4046eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4047d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 4048eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 4049eb49ab0cSAlex Vesker } 40507d29f349SBodong Wang 4051d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 4052d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 4053d5ed8ac3SMark Bloch 40547d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 405561147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 405661147f39SBodong Wang 405761147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 405861147f39SBodong Wang if (attr->rate_limit && 405961147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 406061147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 406161147f39SBodong Wang ucmd->burst_info.max_burst_sz; 406261147f39SBodong Wang } else { 406361147f39SBodong Wang err = -EINVAL; 406461147f39SBodong Wang goto out; 406561147f39SBodong Wang } 406661147f39SBodong Wang } 406761147f39SBodong Wang 406861147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 406961147f39SBodong Wang if (attr->rate_limit && 407061147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 407161147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 407261147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 407361147f39SBodong Wang } else { 407461147f39SBodong Wang err = -EINVAL; 407561147f39SBodong Wang goto out; 407661147f39SBodong Wang } 407761147f39SBodong Wang } 407861147f39SBodong Wang 40797d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 40807d29f349SBodong Wang } 40817d29f349SBodong Wang 408213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 40830680efa2SAlex Vesker } else { 408450aec2c3SLeon Romanovsky if (udata) { 408550aec2c3SLeon Romanovsky /* For the kernel flows, the resp will stay zero */ 408650aec2c3SLeon Romanovsky resp->ece_options = 408750aec2c3SLeon Romanovsky MLX5_CAP_GEN(dev->mdev, ece_support) ? 40885f62a521SLeon Romanovsky ucmd->ece_options : 0; 408950aec2c3SLeon Romanovsky resp->response_length = sizeof(*resp); 409050aec2c3SLeon Romanovsky } 40915f62a521SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, 409250aec2c3SLeon Romanovsky &resp->ece_options); 40930680efa2SAlex Vesker } 40940680efa2SAlex Vesker 4095e126ba97SEli Cohen if (err) 4096e126ba97SEli Cohen goto out; 4097e126ba97SEli Cohen 4098e126ba97SEli Cohen qp->state = new_state; 4099e126ba97SEli Cohen 4100e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 410119098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 4102e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 410319098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 4104e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 4105e126ba97SEli Cohen qp->port = attr->port_num; 4106e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 410719098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 4108e126ba97SEli Cohen 4109e126ba97SEli Cohen /* 4110e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 4111e126ba97SEli Cohen * entries and reinitialize the QP. 4112e126ba97SEli Cohen */ 411375a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 411475a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 411519098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 4116e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 4117e126ba97SEli Cohen if (send_cq != recv_cq) 411819098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 4119e126ba97SEli Cohen 4120e126ba97SEli Cohen qp->rq.head = 0; 4121e126ba97SEli Cohen qp->rq.tail = 0; 4122e126ba97SEli Cohen qp->sq.head = 0; 4123e126ba97SEli Cohen qp->sq.tail = 0; 4124e126ba97SEli Cohen qp->sq.cur_post = 0; 412534f4c955SGuy Levi if (qp->sq.wqe_cnt) 412634f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 4127950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 4128e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 4129e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 4130e126ba97SEli Cohen } 4131e126ba97SEli Cohen 4132d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 4133d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 4134d14133ddSMark Zhang if (!err) 4135d14133ddSMark Zhang qp->counter_pending = 0; 4136d14133ddSMark Zhang } 4137d14133ddSMark Zhang 4138e126ba97SEli Cohen out: 4139f18e26afSLeon Romanovsky kfree(qpc); 4140e126ba97SEli Cohen return err; 4141e126ba97SEli Cohen } 4142e126ba97SEli Cohen 4143c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 4144c32a4f29SMoni Shoua { 4145c32a4f29SMoni Shoua if ((mask & req) != req) 4146c32a4f29SMoni Shoua return false; 4147c32a4f29SMoni Shoua 4148c32a4f29SMoni Shoua if (mask & ~(req | opt)) 4149c32a4f29SMoni Shoua return false; 4150c32a4f29SMoni Shoua 4151c32a4f29SMoni Shoua return true; 4152c32a4f29SMoni Shoua } 4153c32a4f29SMoni Shoua 4154c32a4f29SMoni Shoua /* check valid transition for driver QP types 4155c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 4156c32a4f29SMoni Shoua */ 4157c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 4158c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 4159c32a4f29SMoni Shoua { 4160c32a4f29SMoni Shoua int req = IB_QP_STATE; 4161c32a4f29SMoni Shoua int opt = 0; 4162c32a4f29SMoni Shoua 416399ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 416499ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 416599ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 4166c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 4167c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4168c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 4169c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 4170c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4171c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4172c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 41735ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 4174c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4175c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4176c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4177c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 4178c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4179c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4180c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 4181c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4182c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4183c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4184c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4185c32a4f29SMoni Shoua } 4186c32a4f29SMoni Shoua return false; 4187c32a4f29SMoni Shoua } 4188c32a4f29SMoni Shoua 4189776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4190776a3906SMoni Shoua * valid transitions are: 4191776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4192776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4193776a3906SMoni Shoua * mtu, gid_index and hop_limit 4194776a3906SMoni Shoua * Other transitions and attributes are illegal 4195776a3906SMoni Shoua */ 4196776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4197a645a89dSLeon Romanovsky int attr_mask, struct mlx5_ib_modify_qp *ucmd, 4198a645a89dSLeon Romanovsky struct ib_udata *udata) 4199776a3906SMoni Shoua { 4200776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4201776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4202776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4203776a3906SMoni Shoua int required = IB_QP_STATE; 4204776a3906SMoni Shoua void *dctc; 420571cab8efSLeon Romanovsky int err; 4206776a3906SMoni Shoua 4207776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4208776a3906SMoni Shoua return -EINVAL; 4209776a3906SMoni Shoua 4210776a3906SMoni Shoua cur_state = qp->state; 4211776a3906SMoni Shoua new_state = attr->qp_state; 4212776a3906SMoni Shoua 4213776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4214a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) 4215a645a89dSLeon Romanovsky /* 4216a645a89dSLeon Romanovsky * DCT doesn't initialize QP till modify command is executed, 4217a645a89dSLeon Romanovsky * so we need to overwrite previously set ECE field if user 4218a645a89dSLeon Romanovsky * provided any value except zero, which means not set/not 4219a645a89dSLeon Romanovsky * valid. 4220a645a89dSLeon Romanovsky */ 4221a645a89dSLeon Romanovsky MLX5_SET(dctc, dctc, ece, ucmd->ece_options); 4222a645a89dSLeon Romanovsky 4223776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 42243e1f000fSParav Pandit u16 set_id; 42253e1f000fSParav Pandit 4226776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4227776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4228776a3906SMoni Shoua return -EINVAL; 4229776a3906SMoni Shoua 4230776a3906SMoni Shoua if (attr->port_num == 0 || 4231776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4232776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4233776a3906SMoni Shoua attr->port_num, dev->num_ports); 4234776a3906SMoni Shoua return -EINVAL; 4235776a3906SMoni Shoua } 4236776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4237776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4238776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4239776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4240776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4241a60109dcSYonatan Cohen int atomic_mode; 4242a60109dcSYonatan Cohen 4243a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4244a60109dcSYonatan Cohen if (atomic_mode < 0) 4245776a3906SMoni Shoua return -EOPNOTSUPP; 4246a60109dcSYonatan Cohen 4247a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4248776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4249776a3906SMoni Shoua } 4250776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 42517c4b1ab9SMark Zhang if (mlx5_lag_is_active(dev->mdev)) 42527c4b1ab9SMark Zhang MLX5_SET(dctc, dctc, port, 42537c4b1ab9SMark Zhang get_tx_affinity_rr(dev, udata)); 42547c4b1ab9SMark Zhang else 4255776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 42563e1f000fSParav Pandit 42573e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 42583e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4259776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4260776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4261a645a89dSLeon Romanovsky u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; 4262a645a89dSLeon Romanovsky u32 min_resp_len = offsetofend(typeof(resp), dctn); 4263776a3906SMoni Shoua 4264776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4265776a3906SMoni Shoua return -EINVAL; 4266a645a89dSLeon Romanovsky /* 4267a645a89dSLeon Romanovsky * If we don't have enough space for the ECE options, 4268a645a89dSLeon Romanovsky * simply indicate it with resp.response_length. 4269a645a89dSLeon Romanovsky */ 4270a645a89dSLeon Romanovsky resp.response_length = (udata->outlen < sizeof(resp)) ? 4271a645a89dSLeon Romanovsky min_resp_len : 4272a645a89dSLeon Romanovsky sizeof(resp); 4273a645a89dSLeon Romanovsky 4274776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4275776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4276776a3906SMoni Shoua return -EINVAL; 4277776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4278776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4279776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4280776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4281776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4282776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4283776a3906SMoni Shoua 4284333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4285c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4286c5ae1954SYishai Hadas sizeof(out)); 4287776a3906SMoni Shoua if (err) 4288776a3906SMoni Shoua return err; 4289776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4290a645a89dSLeon Romanovsky if (MLX5_CAP_GEN(dev->mdev, ece_support)) 4291a645a89dSLeon Romanovsky resp.ece_options = MLX5_GET(create_dct_out, out, ece); 4292776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4293776a3906SMoni Shoua if (err) { 4294333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4295776a3906SMoni Shoua return err; 4296776a3906SMoni Shoua } 4297776a3906SMoni Shoua } else { 4298776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4299776a3906SMoni Shoua return -EINVAL; 4300776a3906SMoni Shoua } 430171cab8efSLeon Romanovsky 4302776a3906SMoni Shoua qp->state = new_state; 430371cab8efSLeon Romanovsky return 0; 4304776a3906SMoni Shoua } 4305776a3906SMoni Shoua 43062614488dSMark Bloch static bool mlx5_ib_modify_qp_allowed(struct mlx5_ib_dev *dev, 43072614488dSMark Bloch struct mlx5_ib_qp *qp, 43082614488dSMark Bloch enum ib_qp_type qp_type) 43092614488dSMark Bloch { 43102614488dSMark Bloch if (dev->profile != &raw_eth_profile) 43112614488dSMark Bloch return true; 43122614488dSMark Bloch 43132614488dSMark Bloch if (qp_type == IB_QPT_RAW_PACKET || qp_type == MLX5_IB_QPT_REG_UMR) 43142614488dSMark Bloch return true; 43152614488dSMark Bloch 43162614488dSMark Bloch /* Internal QP used for wc testing, with NOPs in wq */ 43172614488dSMark Bloch if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 43182614488dSMark Bloch return true; 43192614488dSMark Bloch 43202614488dSMark Bloch return false; 43212614488dSMark Bloch } 43222614488dSMark Bloch 4323e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4324e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4325e126ba97SEli Cohen { 4326e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 432750aec2c3SLeon Romanovsky struct mlx5_ib_modify_qp_resp resp = {}; 4328e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 432961147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4330d16e91daSHaggai Eran enum ib_qp_type qp_type; 4331e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 4332e126ba97SEli Cohen int err = -EINVAL; 4333e126ba97SEli Cohen 43342614488dSMark Bloch if (!mlx5_ib_modify_qp_allowed(dev, qp, ibqp->qp_type)) 43352614488dSMark Bloch return -EOPNOTSUPP; 43362614488dSMark Bloch 433726e990baSJason Gunthorpe if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT)) 433826e990baSJason Gunthorpe return -EOPNOTSUPP; 433926e990baSJason Gunthorpe 434028d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 434128d61370SYishai Hadas return -ENOSYS; 434228d61370SYishai Hadas 434361147f39SBodong Wang if (udata && udata->inlen) { 43445f62a521SLeon Romanovsky if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) 434561147f39SBodong Wang return -EINVAL; 434661147f39SBodong Wang 434761147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 434861147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 434961147f39SBodong Wang udata->inlen - sizeof(ucmd))) 435061147f39SBodong Wang return -EOPNOTSUPP; 435161147f39SBodong Wang 435261147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 435361147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 435461147f39SBodong Wang return -EFAULT; 435561147f39SBodong Wang 435661147f39SBodong Wang if (ucmd.comp_mask || 435761147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 435861147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 435961147f39SBodong Wang return -EOPNOTSUPP; 43605f62a521SLeon Romanovsky 436161147f39SBodong Wang } 436261147f39SBodong Wang 4363d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4364d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4365d16e91daSHaggai Eran 43667aede1a2SLeon Romanovsky qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? IB_QPT_GSI : 43677aede1a2SLeon Romanovsky qp->type; 4368d16e91daSHaggai Eran 4369a645a89dSLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 4370a645a89dSLeon Romanovsky return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); 4371c32a4f29SMoni Shoua 4372e126ba97SEli Cohen mutex_lock(&qp->mutex); 4373e126ba97SEli Cohen 4374e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4375e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4376e126ba97SEli Cohen 43772be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4378c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4379c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4380c2e53b2cSYishai Hadas attr_mask); 4381c2e53b2cSYishai Hadas goto out; 4382c2e53b2cSYishai Hadas } 4383c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4384c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4385d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4386d31131bbSKamal Heib attr_mask)) { 4387158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4388158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4389e126ba97SEli Cohen goto out; 4390c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4391c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4392c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4393c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4394c32a4f29SMoni Shoua goto out; 4395158abf86SHaggai Eran } 4396e126ba97SEli Cohen 4397e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4398938fe83cSSaeed Mahameed (attr->port_num == 0 || 4399508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4400158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4401158abf86SHaggai Eran attr->port_num, dev->num_ports); 4402e126ba97SEli Cohen goto out; 4403158abf86SHaggai Eran } 4404e126ba97SEli Cohen 44052019d70eSParav Pandit if ((attr_mask & IB_QP_PKEY_INDEX) && 44062019d70eSParav Pandit attr->pkey_index >= dev->pkey_table_len) { 44072019d70eSParav Pandit mlx5_ib_dbg(dev, "invalid pkey index %d\n", attr->pkey_index); 4408e126ba97SEli Cohen goto out; 4409e126ba97SEli Cohen } 4410e126ba97SEli Cohen 4411e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4412938fe83cSSaeed Mahameed attr->max_rd_atomic > 4413158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4414158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4415158abf86SHaggai Eran attr->max_rd_atomic); 4416e126ba97SEli Cohen goto out; 4417158abf86SHaggai Eran } 4418e126ba97SEli Cohen 4419e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4420938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4421158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4422158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4423158abf86SHaggai Eran attr->max_dest_rd_atomic); 4424e126ba97SEli Cohen goto out; 4425158abf86SHaggai Eran } 4426e126ba97SEli Cohen 4427e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4428e126ba97SEli Cohen err = 0; 4429e126ba97SEli Cohen goto out; 4430e126ba97SEli Cohen } 4431e126ba97SEli Cohen 443261147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 443350aec2c3SLeon Romanovsky new_state, &ucmd, &resp, udata); 443450aec2c3SLeon Romanovsky 443550aec2c3SLeon Romanovsky /* resp.response_length is set in ECE supported flows only */ 443650aec2c3SLeon Romanovsky if (!err && resp.response_length && 443750aec2c3SLeon Romanovsky udata->outlen >= resp.response_length) 44386512f11dSLeon Romanovsky /* Return -EFAULT to the user and expect him to destroy QP. */ 44396512f11dSLeon Romanovsky err = ib_copy_to_udata(udata, &resp, resp.response_length); 4440e126ba97SEli Cohen 4441e126ba97SEli Cohen out: 4442e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4443e126ba97SEli Cohen return err; 4444e126ba97SEli Cohen } 4445e126ba97SEli Cohen 4446e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4447e126ba97SEli Cohen { 4448e126ba97SEli Cohen switch (mlx5_state) { 4449e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4450e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4451e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4452e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4453e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4454e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4455e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4456e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4457e126ba97SEli Cohen default: return -1; 4458e126ba97SEli Cohen } 4459e126ba97SEli Cohen } 4460e126ba97SEli Cohen 4461e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4462e126ba97SEli Cohen { 4463e126ba97SEli Cohen switch (mlx5_mig_state) { 4464e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4465e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4466e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4467e126ba97SEli Cohen default: return -1; 4468e126ba97SEli Cohen } 4469e126ba97SEli Cohen } 4470e126ba97SEli Cohen 447138349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 447270bd7fb8SLeon Romanovsky struct rdma_ah_attr *ah_attr, void *path) 4473e126ba97SEli Cohen { 447470bd7fb8SLeon Romanovsky int port = MLX5_GET(ads, path, vhca_port_num); 447570bd7fb8SLeon Romanovsky int static_rate; 4476e126ba97SEli Cohen 4477d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4478e126ba97SEli Cohen 447970bd7fb8SLeon Romanovsky if (!port || port > ibdev->num_ports) 4480e126ba97SEli Cohen return; 4481e126ba97SEli Cohen 448270bd7fb8SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); 4483ae59c3f0SLeon Romanovsky 448470bd7fb8SLeon Romanovsky rdma_ah_set_port_num(ah_attr, port); 448570bd7fb8SLeon Romanovsky rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); 4486e126ba97SEli Cohen 448770bd7fb8SLeon Romanovsky rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); 448870bd7fb8SLeon Romanovsky rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); 44892d7e3ff7SAharon Landau 449070bd7fb8SLeon Romanovsky static_rate = MLX5_GET(ads, path, stat_rate); 44916fe6e568SMark Zhang rdma_ah_set_static_rate(ah_attr, mlx5_to_ib_rate_map(static_rate)); 449270bd7fb8SLeon Romanovsky if (MLX5_GET(ads, path, grh) || 44932d7e3ff7SAharon Landau ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { 449470bd7fb8SLeon Romanovsky rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), 449570bd7fb8SLeon Romanovsky MLX5_GET(ads, path, src_addr_index), 449670bd7fb8SLeon Romanovsky MLX5_GET(ads, path, hop_limit), 449770bd7fb8SLeon Romanovsky MLX5_GET(ads, path, tclass)); 4498d4433557SMaor Gottlieb rdma_ah_set_dgid_raw(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip)); 4499e126ba97SEli Cohen } 4500e126ba97SEli Cohen } 4501e126ba97SEli Cohen 45026d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 45036d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 45046d2f89dfSmajd@mellanox.com u8 *sq_state) 4505e126ba97SEli Cohen { 45066d2f89dfSmajd@mellanox.com int err; 45076d2f89dfSmajd@mellanox.com 450828160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 45096d2f89dfSmajd@mellanox.com if (err) 45106d2f89dfSmajd@mellanox.com goto out; 45116d2f89dfSmajd@mellanox.com sq->state = *sq_state; 45126d2f89dfSmajd@mellanox.com 45136d2f89dfSmajd@mellanox.com out: 45146d2f89dfSmajd@mellanox.com return err; 45156d2f89dfSmajd@mellanox.com } 45166d2f89dfSmajd@mellanox.com 45176d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 45186d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 45196d2f89dfSmajd@mellanox.com u8 *rq_state) 45206d2f89dfSmajd@mellanox.com { 45216d2f89dfSmajd@mellanox.com void *out; 45226d2f89dfSmajd@mellanox.com void *rqc; 45236d2f89dfSmajd@mellanox.com int inlen; 45246d2f89dfSmajd@mellanox.com int err; 45256d2f89dfSmajd@mellanox.com 45266d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 45271b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 45286d2f89dfSmajd@mellanox.com if (!out) 45296d2f89dfSmajd@mellanox.com return -ENOMEM; 45306d2f89dfSmajd@mellanox.com 45316d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 45326d2f89dfSmajd@mellanox.com if (err) 45336d2f89dfSmajd@mellanox.com goto out; 45346d2f89dfSmajd@mellanox.com 45356d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 45366d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 45376d2f89dfSmajd@mellanox.com rq->state = *rq_state; 45386d2f89dfSmajd@mellanox.com 45396d2f89dfSmajd@mellanox.com out: 45406d2f89dfSmajd@mellanox.com kvfree(out); 45416d2f89dfSmajd@mellanox.com return err; 45426d2f89dfSmajd@mellanox.com } 45436d2f89dfSmajd@mellanox.com 45446d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 45456d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 45466d2f89dfSmajd@mellanox.com { 45476d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 45486d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 45496d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 45506d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45516d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 45526d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 45536d2f89dfSmajd@mellanox.com }, 45546d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 4555c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 45566d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45576d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 45586d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 45596d2f89dfSmajd@mellanox.com }, 45606d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 45616d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 45626d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45636d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 45646d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 45656d2f89dfSmajd@mellanox.com }, 45666d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 4567c94e272bSMaor Gottlieb [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, 45686d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45696d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 45706d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 45716d2f89dfSmajd@mellanox.com }, 45726d2f89dfSmajd@mellanox.com }; 45736d2f89dfSmajd@mellanox.com 45746d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 45756d2f89dfSmajd@mellanox.com 45766d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 45776d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 45786d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 45796d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 45806d2f89dfSmajd@mellanox.com return -EINVAL; 45816d2f89dfSmajd@mellanox.com } 45826d2f89dfSmajd@mellanox.com 45836d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 45846d2f89dfSmajd@mellanox.com *qp_state = qp->state; 45856d2f89dfSmajd@mellanox.com 45866d2f89dfSmajd@mellanox.com return 0; 45876d2f89dfSmajd@mellanox.com } 45886d2f89dfSmajd@mellanox.com 45896d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 45906d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 45916d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 45926d2f89dfSmajd@mellanox.com { 45936d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 45946d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 45956d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 45966d2f89dfSmajd@mellanox.com int err; 45976d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 45986d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 45996d2f89dfSmajd@mellanox.com 46006d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 46016d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 46026d2f89dfSmajd@mellanox.com if (err) 46036d2f89dfSmajd@mellanox.com return err; 46046d2f89dfSmajd@mellanox.com } 46056d2f89dfSmajd@mellanox.com 46066d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 46076d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 46086d2f89dfSmajd@mellanox.com if (err) 46096d2f89dfSmajd@mellanox.com return err; 46106d2f89dfSmajd@mellanox.com } 46116d2f89dfSmajd@mellanox.com 46126d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 46136d2f89dfSmajd@mellanox.com raw_packet_qp_state); 46146d2f89dfSmajd@mellanox.com } 46156d2f89dfSmajd@mellanox.com 46166d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 46176d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 46186d2f89dfSmajd@mellanox.com { 461909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 462070bd7fb8SLeon Romanovsky void *qpc, *pri_path, *alt_path; 462109a7d9ecSSaeed Mahameed u32 *outb; 462270bd7fb8SLeon Romanovsky int err; 4623e126ba97SEli Cohen 462409a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 46256d2f89dfSmajd@mellanox.com if (!outb) 46266d2f89dfSmajd@mellanox.com return -ENOMEM; 46276d2f89dfSmajd@mellanox.com 4628333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4629e126ba97SEli Cohen if (err) 46306d2f89dfSmajd@mellanox.com goto out; 4631e126ba97SEli Cohen 463270bd7fb8SLeon Romanovsky qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); 463309a7d9ecSSaeed Mahameed 463470bd7fb8SLeon Romanovsky qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); 463570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) 463670bd7fb8SLeon Romanovsky qp_attr->sq_draining = 1; 4637e126ba97SEli Cohen 463870bd7fb8SLeon Romanovsky qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); 463970bd7fb8SLeon Romanovsky qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); 464070bd7fb8SLeon Romanovsky qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); 464170bd7fb8SLeon Romanovsky qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); 464270bd7fb8SLeon Romanovsky qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); 464370bd7fb8SLeon Romanovsky qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); 464470bd7fb8SLeon Romanovsky 464570bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rre)) 464670bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; 464770bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rwe)) 464870bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; 464970bd7fb8SLeon Romanovsky if (MLX5_GET(qpc, qpc, rae)) 465070bd7fb8SLeon Romanovsky qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; 465170bd7fb8SLeon Romanovsky 465270bd7fb8SLeon Romanovsky qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); 465370bd7fb8SLeon Romanovsky qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); 465470bd7fb8SLeon Romanovsky qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); 465570bd7fb8SLeon Romanovsky qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); 465670bd7fb8SLeon Romanovsky qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); 465770bd7fb8SLeon Romanovsky 465870bd7fb8SLeon Romanovsky pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); 465970bd7fb8SLeon Romanovsky alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); 4660e126ba97SEli Cohen 4661f957d4d0SAvihai Horon if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC || 4662f957d4d0SAvihai Horon qp->ibqp.qp_type == IB_QPT_XRC_INI || 4663f957d4d0SAvihai Horon qp->ibqp.qp_type == IB_QPT_XRC_TGT) { 466470bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); 466570bd7fb8SLeon Romanovsky to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); 466670bd7fb8SLeon Romanovsky qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); 466770bd7fb8SLeon Romanovsky qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); 4668e126ba97SEli Cohen } 4669e126ba97SEli Cohen 467070bd7fb8SLeon Romanovsky qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); 467170bd7fb8SLeon Romanovsky qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); 467270bd7fb8SLeon Romanovsky qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); 467370bd7fb8SLeon Romanovsky qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); 46746d2f89dfSmajd@mellanox.com 46756d2f89dfSmajd@mellanox.com out: 46766d2f89dfSmajd@mellanox.com kfree(outb); 46776d2f89dfSmajd@mellanox.com return err; 46786d2f89dfSmajd@mellanox.com } 46796d2f89dfSmajd@mellanox.com 4680776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4681776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4682776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4683776a3906SMoni Shoua { 4684776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4685776a3906SMoni Shoua u32 *out; 4686776a3906SMoni Shoua u32 access_flags = 0; 4687776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4688776a3906SMoni Shoua void *dctc; 4689776a3906SMoni Shoua int err; 4690776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4691776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4692776a3906SMoni Shoua IB_QP_PORT | 4693776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4694776a3906SMoni Shoua IB_QP_AV | 4695776a3906SMoni Shoua IB_QP_PATH_MTU | 4696776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4697776a3906SMoni Shoua 4698776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4699776a3906SMoni Shoua return -EINVAL; 4700776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4701776a3906SMoni Shoua return -EINVAL; 4702776a3906SMoni Shoua 4703776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4704776a3906SMoni Shoua if (!out) 4705776a3906SMoni Shoua return -ENOMEM; 4706776a3906SMoni Shoua 4707333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4708776a3906SMoni Shoua if (err) 4709776a3906SMoni Shoua goto out; 4710776a3906SMoni Shoua 4711776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4712776a3906SMoni Shoua 4713776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4714776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4715776a3906SMoni Shoua 4716776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4717776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4718776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4719776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4720776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4721776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4722776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4723776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4724776a3906SMoni Shoua } 4725776a3906SMoni Shoua 4726776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4727776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4728776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4729776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4730776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4731776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4732776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4733776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4734776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4735776a3906SMoni Shoua } 4736776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4737776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4738776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4739776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4740776a3906SMoni Shoua out: 4741776a3906SMoni Shoua kfree(out); 4742776a3906SMoni Shoua return err; 4743776a3906SMoni Shoua } 4744776a3906SMoni Shoua 47456d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 47466d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 47476d2f89dfSmajd@mellanox.com { 47486d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 47496d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 47506d2f89dfSmajd@mellanox.com int err = 0; 47516d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 47526d2f89dfSmajd@mellanox.com 475328d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 475428d61370SYishai Hadas return -ENOSYS; 475528d61370SYishai Hadas 4756d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4757d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4758d16e91daSHaggai Eran qp_init_attr); 4759d16e91daSHaggai Eran 4760c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4761c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4762c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4763c2e53b2cSYishai Hadas 47647aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4765776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4766776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4767776a3906SMoni Shoua 47686d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 47696d2f89dfSmajd@mellanox.com 4770c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 47712be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 47726d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 47736d2f89dfSmajd@mellanox.com if (err) 47746d2f89dfSmajd@mellanox.com goto out; 47756d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 47766d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 47776d2f89dfSmajd@mellanox.com } else { 47786d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 47796d2f89dfSmajd@mellanox.com if (err) 47806d2f89dfSmajd@mellanox.com goto out; 47816d2f89dfSmajd@mellanox.com } 47826d2f89dfSmajd@mellanox.com 47836d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4784e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4785e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4786e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4787e126ba97SEli Cohen 4788e126ba97SEli Cohen if (!ibqp->uobject) { 47890540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4790e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 47910540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4792e126ba97SEli Cohen } else { 4793e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4794e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4795e126ba97SEli Cohen } 4796e126ba97SEli Cohen 47970540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 47980540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 47990540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 48000540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 48010540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4802e126ba97SEli Cohen 4803e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4804e126ba97SEli Cohen 4805a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4806051f2630SLeon Romanovsky 4807e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4808e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4809e126ba97SEli Cohen 4810e126ba97SEli Cohen out: 4811e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4812e126ba97SEli Cohen return err; 4813e126ba97SEli Cohen } 4814e126ba97SEli Cohen 481528ad5f65SLeon Romanovsky int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) 4816e126ba97SEli Cohen { 481728ad5f65SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); 481828ad5f65SLeon Romanovsky struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); 4819e126ba97SEli Cohen 4820938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 482128ad5f65SLeon Romanovsky return -EOPNOTSUPP; 4822e126ba97SEli Cohen 482328ad5f65SLeon Romanovsky return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 4824e126ba97SEli Cohen } 4825e126ba97SEli Cohen 4826d0c45c85SLeon Romanovsky int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 4827e126ba97SEli Cohen { 4828e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4829e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4830e126ba97SEli Cohen 4831d0c45c85SLeon Romanovsky return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 4832e126ba97SEli Cohen } 483379b20a6cSYishai Hadas 4834350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4835350d0e4cSYishai Hadas { 4836350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4837350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4838350d0e4cSYishai Hadas struct ib_event event; 4839350d0e4cSYishai Hadas 4840350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4841350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4842350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4843350d0e4cSYishai Hadas switch (type) { 4844350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4845350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4846350d0e4cSYishai Hadas break; 4847350d0e4cSYishai Hadas default: 4848350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4849350d0e4cSYishai Hadas return; 4850350d0e4cSYishai Hadas } 4851350d0e4cSYishai Hadas 4852350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4853350d0e4cSYishai Hadas } 4854350d0e4cSYishai Hadas } 4855350d0e4cSYishai Hadas 485603404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 485703404e8aSMaor Gottlieb { 485803404e8aSMaor Gottlieb int err = 0; 485903404e8aSMaor Gottlieb 486003404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 486103404e8aSMaor Gottlieb if (dev->delay_drop.activate) 486203404e8aSMaor Gottlieb goto out; 486303404e8aSMaor Gottlieb 4864333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 486503404e8aSMaor Gottlieb if (err) 486603404e8aSMaor Gottlieb goto out; 486703404e8aSMaor Gottlieb 486803404e8aSMaor Gottlieb dev->delay_drop.activate = true; 486903404e8aSMaor Gottlieb out: 487003404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4871fe248c3aSMaor Gottlieb 4872fe248c3aSMaor Gottlieb if (!err) 4873fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 487403404e8aSMaor Gottlieb return err; 487503404e8aSMaor Gottlieb } 487603404e8aSMaor Gottlieb 487779b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 487879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 487979b20a6cSYishai Hadas { 488079b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 48814be6da1eSNoa Osherovich int has_net_offloads; 488279b20a6cSYishai Hadas __be64 *rq_pas0; 48838256c69bSMaor Gottlieb int ts_format; 488479b20a6cSYishai Hadas void *in; 488579b20a6cSYishai Hadas void *rqc; 488679b20a6cSYishai Hadas void *wq; 488779b20a6cSYishai Hadas int inlen; 488879b20a6cSYishai Hadas int err; 488979b20a6cSYishai Hadas 489079b20a6cSYishai Hadas dev = to_mdev(pd->device); 489179b20a6cSYishai Hadas 48928256c69bSMaor Gottlieb ts_format = get_rq_ts_format(dev, to_mcq(init_attr->cq)); 48938256c69bSMaor Gottlieb if (ts_format < 0) 48948256c69bSMaor Gottlieb return ts_format; 48958256c69bSMaor Gottlieb 489679b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 48971b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 489879b20a6cSYishai Hadas if (!in) 489979b20a6cSYishai Hadas return -ENOMEM; 490079b20a6cSYishai Hadas 490134d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 490279b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 490379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 490479b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 49058256c69bSMaor Gottlieb MLX5_SET(rqc, rqc, ts_format, ts_format); 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