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" 41443c1cf9SYishai Hadas #include "cmd.h" 42333fbaa0SLeon Romanovsky #include "qp.h" 43029e88fdSLeon Romanovsky #include "wr.h" 44e126ba97SEli Cohen 45e126ba97SEli Cohen enum { 46e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 47e126ba97SEli Cohen }; 48e126ba97SEli Cohen 49e126ba97SEli Cohen enum { 50e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 51e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 52e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 54e126ba97SEli Cohen }; 55e126ba97SEli Cohen 56eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 57eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 587d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 59eb49ab0cSAlex Vesker }; 60eb49ab0cSAlex Vesker 610680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 620680efa2SAlex Vesker u16 operation; 63eb49ab0cSAlex Vesker 64eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 6561147f39SBodong Wang 6661147f39SBodong Wang struct mlx5_rate_limit rl; 6761147f39SBodong Wang 68eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 69d5ed8ac3SMark Bloch u16 port; 700680efa2SAlex Vesker }; 710680efa2SAlex Vesker 7289ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 7389ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 7489ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 7589ea94a7SMaor Gottlieb 76e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 77e126ba97SEli Cohen { 78e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 79e126ba97SEli Cohen } 80e126ba97SEli Cohen 81e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 82e126ba97SEli Cohen { 83e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 84e126ba97SEli Cohen } 85e126ba97SEli Cohen 86c1395a2aSHaggai Eran /** 87fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 88fbeb4075SMoni Shoua * to kernel buffer 89c1395a2aSHaggai Eran * 90fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 91fbeb4075SMoni Shoua * @buffer: buffer to copy to 92fbeb4075SMoni Shoua * @buflen: buffer length 93fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 94fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 95fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 96fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 97fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 98fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 99c1395a2aSHaggai Eran * 100fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 101fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 102c1395a2aSHaggai Eran * 103fbeb4075SMoni Shoua * Return: zero on success, or an error code. 104c1395a2aSHaggai Eran */ 105da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 106da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 107da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 108da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 109fbeb4075SMoni Shoua size_t *bytes_copied) 110c1395a2aSHaggai Eran { 111fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 112fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 113fbeb4075SMoni Shoua size_t copy_length; 114c1395a2aSHaggai Eran int ret; 115c1395a2aSHaggai Eran 116fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 117fbeb4075SMoni Shoua * beyond WQ end 118fbeb4075SMoni Shoua */ 119fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 120fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 121c1395a2aSHaggai Eran 122fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 123c1395a2aSHaggai Eran if (ret) 124c1395a2aSHaggai Eran return ret; 125c1395a2aSHaggai Eran 126fbeb4075SMoni Shoua if (!ret && bytes_copied) 127fbeb4075SMoni Shoua *bytes_copied = copy_length; 128c1395a2aSHaggai Eran 129fbeb4075SMoni Shoua return 0; 130fbeb4075SMoni Shoua } 131fbeb4075SMoni Shoua 132da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 133da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 134da9ee9d8SMoni Shoua { 135da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 136da9ee9d8SMoni Shoua size_t bytes_copied = 0; 137da9ee9d8SMoni Shoua size_t wqe_length; 138da9ee9d8SMoni Shoua void *p; 139da9ee9d8SMoni Shoua int ds; 140da9ee9d8SMoni Shoua 141da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 142da9ee9d8SMoni Shoua 143da9ee9d8SMoni Shoua /* read the control segment first */ 144da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 145da9ee9d8SMoni Shoua ctrl = p; 146da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 147da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 148da9ee9d8SMoni Shoua 149da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 150da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 151da9ee9d8SMoni Shoua size_t copy_length = 152da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 153da9ee9d8SMoni Shoua 154da9ee9d8SMoni Shoua if (!copy_length) 155da9ee9d8SMoni Shoua break; 156da9ee9d8SMoni Shoua 157da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 158da9ee9d8SMoni Shoua bytes_copied += copy_length; 159da9ee9d8SMoni Shoua 160da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 161da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 162da9ee9d8SMoni Shoua } 163da9ee9d8SMoni Shoua *bc = bytes_copied; 164da9ee9d8SMoni Shoua return 0; 165da9ee9d8SMoni Shoua } 166da9ee9d8SMoni Shoua 167da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 168da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 169fbeb4075SMoni Shoua { 170fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 171fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 172fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 173fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 174fbeb4075SMoni Shoua size_t bytes_copied; 175fbeb4075SMoni Shoua size_t bytes_copied2; 176fbeb4075SMoni Shoua size_t wqe_length; 177fbeb4075SMoni Shoua int ret; 178fbeb4075SMoni Shoua int ds; 179fbeb4075SMoni Shoua 180fbeb4075SMoni Shoua /* at first read as much as possible */ 181da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 182da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 183da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 184fbeb4075SMoni Shoua &bytes_copied); 185fbeb4075SMoni Shoua if (ret) 186fbeb4075SMoni Shoua return ret; 187fbeb4075SMoni Shoua 188fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 189fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 190fbeb4075SMoni Shoua return -EINVAL; 191fbeb4075SMoni Shoua 192fbeb4075SMoni Shoua ctrl = buffer; 193fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 194c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 195fbeb4075SMoni Shoua 196fbeb4075SMoni Shoua /* if we copied enough then we are done */ 197fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 198fbeb4075SMoni Shoua *bc = bytes_copied; 199fbeb4075SMoni Shoua return 0; 200c1395a2aSHaggai Eran } 201c1395a2aSHaggai Eran 202fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 203fbeb4075SMoni Shoua * so read the remaining bytes starting 204fbeb4075SMoni Shoua * from wqe_index 0 205fbeb4075SMoni Shoua */ 206da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 207da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 208da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 209fbeb4075SMoni Shoua wqe_length - bytes_copied, 210fbeb4075SMoni Shoua &bytes_copied2); 211c1395a2aSHaggai Eran 212c1395a2aSHaggai Eran if (ret) 213c1395a2aSHaggai Eran return ret; 214fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 215fbeb4075SMoni Shoua return 0; 216fbeb4075SMoni Shoua } 217c1395a2aSHaggai Eran 218da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 219da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 220da9ee9d8SMoni Shoua { 221da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 222da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 223da9ee9d8SMoni Shoua 224da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 225da9ee9d8SMoni Shoua return -EINVAL; 226da9ee9d8SMoni Shoua 227da9ee9d8SMoni Shoua if (!umem) 228da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 229da9ee9d8SMoni Shoua buflen, bc); 230da9ee9d8SMoni Shoua 231da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 232da9ee9d8SMoni Shoua } 233da9ee9d8SMoni Shoua 234da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 235da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 236fbeb4075SMoni Shoua { 237fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 238fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 239fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 240fbeb4075SMoni Shoua size_t bytes_copied; 241fbeb4075SMoni Shoua int ret; 242fbeb4075SMoni Shoua 243da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 244da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 245da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 246fbeb4075SMoni Shoua &bytes_copied); 247fbeb4075SMoni Shoua 248fbeb4075SMoni Shoua if (ret) 249fbeb4075SMoni Shoua return ret; 250fbeb4075SMoni Shoua *bc = bytes_copied; 251fbeb4075SMoni Shoua return 0; 252fbeb4075SMoni Shoua } 253fbeb4075SMoni Shoua 254da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 255da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 256da9ee9d8SMoni Shoua { 257da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 258da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 259da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 260da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 261da9ee9d8SMoni Shoua 262da9ee9d8SMoni Shoua if (buflen < wqe_size) 263da9ee9d8SMoni Shoua return -EINVAL; 264da9ee9d8SMoni Shoua 265da9ee9d8SMoni Shoua if (!umem) 266da9ee9d8SMoni Shoua return -EOPNOTSUPP; 267da9ee9d8SMoni Shoua 268da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 269da9ee9d8SMoni Shoua } 270da9ee9d8SMoni Shoua 271da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 272da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 273fbeb4075SMoni Shoua { 274fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 275fbeb4075SMoni Shoua size_t bytes_copied; 276fbeb4075SMoni Shoua int ret; 277fbeb4075SMoni Shoua 278da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 279da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 280da9ee9d8SMoni Shoua buflen, &bytes_copied); 281fbeb4075SMoni Shoua 282fbeb4075SMoni Shoua if (ret) 283fbeb4075SMoni Shoua return ret; 284fbeb4075SMoni Shoua *bc = bytes_copied; 285fbeb4075SMoni Shoua return 0; 286c1395a2aSHaggai Eran } 287c1395a2aSHaggai Eran 288da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 289da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 290da9ee9d8SMoni Shoua { 291da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 292da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 293da9ee9d8SMoni Shoua 294da9ee9d8SMoni Shoua if (buflen < wqe_size) 295da9ee9d8SMoni Shoua return -EINVAL; 296da9ee9d8SMoni Shoua 297da9ee9d8SMoni Shoua if (!umem) 298da9ee9d8SMoni Shoua return -EOPNOTSUPP; 299da9ee9d8SMoni Shoua 300da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 301da9ee9d8SMoni Shoua } 302da9ee9d8SMoni Shoua 303e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 304e126ba97SEli Cohen { 305e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 306e126ba97SEli Cohen struct ib_event event; 307e126ba97SEli Cohen 30819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 30919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 31019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 31119098df2Smajd@mellanox.com } 312e126ba97SEli Cohen 313e126ba97SEli Cohen if (ibqp->event_handler) { 314e126ba97SEli Cohen event.device = ibqp->device; 315e126ba97SEli Cohen event.element.qp = ibqp; 316e126ba97SEli Cohen switch (type) { 317e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 318e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 319e126ba97SEli Cohen break; 320e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 321e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 322e126ba97SEli Cohen break; 323e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 324e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 325e126ba97SEli Cohen break; 326e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 327e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 328e126ba97SEli Cohen break; 329e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 330e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 331e126ba97SEli Cohen break; 332e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 333e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 334e126ba97SEli Cohen break; 335e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 336e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 337e126ba97SEli Cohen break; 338e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 339e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 340e126ba97SEli Cohen break; 341e126ba97SEli Cohen default: 342e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 343e126ba97SEli Cohen return; 344e126ba97SEli Cohen } 345e126ba97SEli Cohen 346e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 347e126ba97SEli Cohen } 348e126ba97SEli Cohen } 349e126ba97SEli Cohen 350e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 351e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 352e126ba97SEli Cohen { 353e126ba97SEli Cohen int wqe_size; 354e126ba97SEli Cohen int wq_size; 355e126ba97SEli Cohen 356e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 357938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 358e126ba97SEli Cohen return -EINVAL; 359e126ba97SEli Cohen 360e126ba97SEli Cohen if (!has_rq) { 361e126ba97SEli Cohen qp->rq.max_gs = 0; 362e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 363e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3640540d814SNoa Osherovich cap->max_recv_wr = 0; 3650540d814SNoa Osherovich cap->max_recv_sge = 0; 366e126ba97SEli Cohen } else { 367c95e6d53SLeon Romanovsky int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); 368c95e6d53SLeon Romanovsky 369e126ba97SEli Cohen if (ucmd) { 370e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 371002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 372002bf228SLeon Romanovsky return -EINVAL; 373e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 374c95e6d53SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / 375c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) < 376c95e6d53SLeon Romanovsky wq_sig) 377002bf228SLeon Romanovsky return -EINVAL; 378c95e6d53SLeon Romanovsky qp->rq.max_gs = 379c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 380c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 381c95e6d53SLeon Romanovsky wq_sig; 382e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 383e126ba97SEli Cohen } else { 384c95e6d53SLeon Romanovsky wqe_size = 385c95e6d53SLeon Romanovsky wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 386c95e6d53SLeon Romanovsky 0; 387e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 388e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 389e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 390e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 391e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 392938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 393e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 394e126ba97SEli Cohen wqe_size, 395938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 396938fe83cSSaeed Mahameed max_wqe_sz_rq)); 397e126ba97SEli Cohen return -EINVAL; 398e126ba97SEli Cohen } 399e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 400c95e6d53SLeon Romanovsky qp->rq.max_gs = 401c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 402c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 403c95e6d53SLeon Romanovsky wq_sig; 404e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 405e126ba97SEli Cohen } 406e126ba97SEli Cohen } 407e126ba97SEli Cohen 408e126ba97SEli Cohen return 0; 409e126ba97SEli Cohen } 410e126ba97SEli Cohen 411f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 412e126ba97SEli Cohen { 413618af384SAndi Shyti int size = 0; 414e126ba97SEli Cohen 415f0313965SErez Shitrit switch (attr->qp_type) { 416e126ba97SEli Cohen case IB_QPT_XRC_INI: 417b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 418e126ba97SEli Cohen /* fall through */ 419e126ba97SEli Cohen case IB_QPT_RC: 420e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 42175c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 42275c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 42375c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 424064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 425064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 426064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 427e126ba97SEli Cohen break; 428e126ba97SEli Cohen 429b125a54bSEli Cohen case IB_QPT_XRC_TGT: 430b125a54bSEli Cohen return 0; 431b125a54bSEli Cohen 432e126ba97SEli Cohen case IB_QPT_UC: 433b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43475c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4359e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 43675c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 437e126ba97SEli Cohen break; 438e126ba97SEli Cohen 439e126ba97SEli Cohen case IB_QPT_UD: 440f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 441f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 442f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 443f0313965SErez Shitrit /* fall through */ 444e126ba97SEli Cohen case IB_QPT_SMI: 445d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 446b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 447e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 448e126ba97SEli Cohen break; 449e126ba97SEli Cohen 450e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 451b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 452e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 453e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 454e126ba97SEli Cohen break; 455e126ba97SEli Cohen 456e126ba97SEli Cohen default: 457e126ba97SEli Cohen return -EINVAL; 458e126ba97SEli Cohen } 459e126ba97SEli Cohen 460e126ba97SEli Cohen return size; 461e126ba97SEli Cohen } 462e126ba97SEli Cohen 463e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 464e126ba97SEli Cohen { 465e126ba97SEli Cohen int inl_size = 0; 466e126ba97SEli Cohen int size; 467e126ba97SEli Cohen 468f0313965SErez Shitrit size = sq_overhead(attr); 469e126ba97SEli Cohen if (size < 0) 470e126ba97SEli Cohen return size; 471e126ba97SEli Cohen 472e126ba97SEli Cohen if (attr->cap.max_inline_data) { 473e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 474e126ba97SEli Cohen attr->cap.max_inline_data; 475e126ba97SEli Cohen } 476e126ba97SEli Cohen 477e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 478c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 479e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 480e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 481e1e66cc2SSagi Grimberg else 482e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 483e126ba97SEli Cohen } 484e126ba97SEli Cohen 485288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 486288c01b7SEli Cohen { 487288c01b7SEli Cohen int max_sge; 488288c01b7SEli Cohen 489288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 490288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 491288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 492288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 493288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 494288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 495288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 496288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 497288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 498288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 499288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 500288c01b7SEli Cohen else 501288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 502288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 503288c01b7SEli Cohen 504288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 505288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 506288c01b7SEli Cohen } 507288c01b7SEli Cohen 508e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 509e126ba97SEli Cohen struct mlx5_ib_qp *qp) 510e126ba97SEli Cohen { 511e126ba97SEli Cohen int wqe_size; 512e126ba97SEli Cohen int wq_size; 513e126ba97SEli Cohen 514e126ba97SEli Cohen if (!attr->cap.max_send_wr) 515e126ba97SEli Cohen return 0; 516e126ba97SEli Cohen 517e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 518e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 519e126ba97SEli Cohen if (wqe_size < 0) 520e126ba97SEli Cohen return wqe_size; 521e126ba97SEli Cohen 522938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 523b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 524938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 525e126ba97SEli Cohen return -EINVAL; 526e126ba97SEli Cohen } 527e126ba97SEli Cohen 528f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 529e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 530e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 531e126ba97SEli Cohen 532e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 533e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 534938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5351974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5361974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 537938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 538938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 539b125a54bSEli Cohen return -ENOMEM; 540b125a54bSEli Cohen } 541e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 542288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 543288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 544288c01b7SEli Cohen return -ENOMEM; 545288c01b7SEli Cohen 546288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 547b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 548b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 549e126ba97SEli Cohen 550e126ba97SEli Cohen return wq_size; 551e126ba97SEli Cohen } 552e126ba97SEli Cohen 553e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 554e126ba97SEli Cohen struct mlx5_ib_qp *qp, 55519098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5560fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5570fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 558e126ba97SEli Cohen { 559e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 560e126ba97SEli Cohen 561938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 562e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 563938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 564e126ba97SEli Cohen return -EINVAL; 565e126ba97SEli Cohen } 566e126ba97SEli Cohen 567af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 568af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 569af8b38edSGal Pressman ucmd->sq_wqe_count); 570e126ba97SEli Cohen return -EINVAL; 571e126ba97SEli Cohen } 572e126ba97SEli Cohen 573e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 574e126ba97SEli Cohen 575938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 576e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 577938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 578938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 579e126ba97SEli Cohen return -EINVAL; 580e126ba97SEli Cohen } 581e126ba97SEli Cohen 582c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5832be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 5840fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5850fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5860fb2ed66Smajd@mellanox.com } else { 58719098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 588e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5890fb2ed66Smajd@mellanox.com } 590e126ba97SEli Cohen 591e126ba97SEli Cohen return 0; 592e126ba97SEli Cohen } 593e126ba97SEli Cohen 594e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 595e126ba97SEli Cohen { 596e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 597e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 598e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 599e126ba97SEli Cohen !attr->cap.max_recv_wr) 600e126ba97SEli Cohen return 0; 601e126ba97SEli Cohen 602e126ba97SEli Cohen return 1; 603e126ba97SEli Cohen } 604e126ba97SEli Cohen 6050b80c14fSEli Cohen enum { 6060b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6070b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6080b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6090b80c14fSEli Cohen * "odd/even" order 6100b80c14fSEli Cohen */ 6110b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6120b80c14fSEli Cohen }; 6130b80c14fSEli Cohen 614b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 615b037c29aSEli Cohen { 61631a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 617b037c29aSEli Cohen } 618b037c29aSEli Cohen 619b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 620b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 621c1be5232SEli Cohen { 622c1be5232SEli Cohen int n; 623c1be5232SEli Cohen 624b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 625b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 626c1be5232SEli Cohen 627c1be5232SEli Cohen return n >= 0 ? n : 0; 628c1be5232SEli Cohen } 629c1be5232SEli Cohen 63018b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 63118b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 63218b0362eSYishai Hadas { 63318b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 63418b0362eSYishai Hadas } 63518b0362eSYishai Hadas 636b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 637b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 638c1be5232SEli Cohen { 639c1be5232SEli Cohen int med; 640c1be5232SEli Cohen 641b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 642b037c29aSEli Cohen return ++med; 643c1be5232SEli Cohen } 644c1be5232SEli Cohen 645b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 646b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 647e126ba97SEli Cohen { 648e126ba97SEli Cohen int i; 649e126ba97SEli Cohen 650b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 651b037c29aSEli Cohen if (!bfregi->count[i]) { 6522f5ff264SEli Cohen bfregi->count[i]++; 653e126ba97SEli Cohen return i; 654e126ba97SEli Cohen } 655e126ba97SEli Cohen } 656e126ba97SEli Cohen 657e126ba97SEli Cohen return -ENOMEM; 658e126ba97SEli Cohen } 659e126ba97SEli Cohen 660b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 661b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 662e126ba97SEli Cohen { 66318b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 664e126ba97SEli Cohen int i; 665e126ba97SEli Cohen 66618b0362eSYishai Hadas if (minidx < 0) 66718b0362eSYishai Hadas return minidx; 66818b0362eSYishai Hadas 66918b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6702f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 671e126ba97SEli Cohen minidx = i; 6720b80c14fSEli Cohen if (!bfregi->count[minidx]) 6730b80c14fSEli Cohen break; 674e126ba97SEli Cohen } 675e126ba97SEli Cohen 6762f5ff264SEli Cohen bfregi->count[minidx]++; 677e126ba97SEli Cohen return minidx; 678e126ba97SEli Cohen } 679e126ba97SEli Cohen 680b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 681ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 682e126ba97SEli Cohen { 683ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 684e126ba97SEli Cohen 6850a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 6860a2fd01cSYishai Hadas return -EINVAL; 6870a2fd01cSYishai Hadas 6882f5ff264SEli Cohen mutex_lock(&bfregi->lock); 689ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 690ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 691ffaf58deSLeon Romanovsky if (bfregn < 0) 692ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 693ffaf58deSLeon Romanovsky } 694ffaf58deSLeon Romanovsky 695ffaf58deSLeon Romanovsky if (bfregn < 0) { 6960b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6972f5ff264SEli Cohen bfregn = 0; 6982f5ff264SEli Cohen bfregi->count[bfregn]++; 699e126ba97SEli Cohen } 7002f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 701e126ba97SEli Cohen 7022f5ff264SEli Cohen return bfregn; 703e126ba97SEli Cohen } 704e126ba97SEli Cohen 7054ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 706e126ba97SEli Cohen { 7072f5ff264SEli Cohen mutex_lock(&bfregi->lock); 708b037c29aSEli Cohen bfregi->count[bfregn]--; 7092f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 710e126ba97SEli Cohen } 711e126ba97SEli Cohen 712e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 713e126ba97SEli Cohen { 714e126ba97SEli Cohen switch (state) { 715e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 716e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 717e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 718e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 719e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 720e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 721e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 722e126ba97SEli Cohen default: return -1; 723e126ba97SEli Cohen } 724e126ba97SEli Cohen } 725e126ba97SEli Cohen 726e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 727e126ba97SEli Cohen { 728e126ba97SEli Cohen switch (type) { 729e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 730e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 731e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 732e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 733e126ba97SEli Cohen case IB_QPT_XRC_INI: 734e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 735e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 736d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 737c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 7383ae7e66aSLeon Romanovsky case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; 739e126ba97SEli Cohen default: return -EINVAL; 740e126ba97SEli Cohen } 741e126ba97SEli Cohen } 742e126ba97SEli Cohen 74389ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 74489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74589ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 74689ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 74789ea94a7SMaor Gottlieb 7487c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 74905f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7501ee47ab3SYishai Hadas bool dyn_bfreg) 751e126ba97SEli Cohen { 75205f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 75305f58cebSLeon Romanovsky u32 index_of_sys_page; 75405f58cebSLeon Romanovsky u32 offset; 755b037c29aSEli Cohen 7560a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7570a2fd01cSYishai Hadas return -EINVAL; 7580a2fd01cSYishai Hadas 759b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 760b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 761b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 762b037c29aSEli Cohen 76305f58cebSLeon Romanovsky if (dyn_bfreg) { 76405f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 76505f58cebSLeon Romanovsky 7667c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7677c043e90SYishai Hadas return -EINVAL; 7687c043e90SYishai Hadas 7691ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7701ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7711ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7721ee47ab3SYishai Hadas return -EINVAL; 7731ee47ab3SYishai Hadas } 7741ee47ab3SYishai Hadas } 775b037c29aSEli Cohen 7761ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 777b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 778e126ba97SEli Cohen } 779e126ba97SEli Cohen 780b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 78119098df2Smajd@mellanox.com unsigned long addr, size_t size, 782b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 783b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 78419098df2Smajd@mellanox.com { 78519098df2Smajd@mellanox.com int err; 78619098df2Smajd@mellanox.com 787c320e527SMoni Shoua *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); 78819098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 78919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 79019098df2Smajd@mellanox.com return PTR_ERR(*umem); 79119098df2Smajd@mellanox.com } 79219098df2Smajd@mellanox.com 793762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 79419098df2Smajd@mellanox.com 79519098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 79619098df2Smajd@mellanox.com if (err) { 79719098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 79819098df2Smajd@mellanox.com goto err_umem; 79919098df2Smajd@mellanox.com } 80019098df2Smajd@mellanox.com 80119098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 80219098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 80319098df2Smajd@mellanox.com 80419098df2Smajd@mellanox.com return 0; 80519098df2Smajd@mellanox.com 80619098df2Smajd@mellanox.com err_umem: 80719098df2Smajd@mellanox.com ib_umem_release(*umem); 80819098df2Smajd@mellanox.com *umem = NULL; 80919098df2Smajd@mellanox.com 81019098df2Smajd@mellanox.com return err; 81119098df2Smajd@mellanox.com } 81219098df2Smajd@mellanox.com 813fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 814bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 81579b20a6cSYishai Hadas { 816bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 817bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 818bdeacabdSShamir Rabinovitch udata, 819bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 820bdeacabdSShamir Rabinovitch ibucontext); 82179b20a6cSYishai Hadas 822fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 823fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 824fe248c3aSMaor Gottlieb 82579b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 82679b20a6cSYishai Hadas ib_umem_release(rwq->umem); 82779b20a6cSYishai Hadas } 82879b20a6cSYishai Hadas 82979b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 830b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 83179b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 83279b20a6cSYishai Hadas { 83389944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 83489944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 83579b20a6cSYishai Hadas int page_shift = 0; 83679b20a6cSYishai Hadas int npages; 83779b20a6cSYishai Hadas u32 offset = 0; 83879b20a6cSYishai Hadas int ncont = 0; 83979b20a6cSYishai Hadas int err; 84079b20a6cSYishai Hadas 84179b20a6cSYishai Hadas if (!ucmd->buf_addr) 84279b20a6cSYishai Hadas return -EINVAL; 84379b20a6cSYishai Hadas 844c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 84579b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 84679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 84779b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 84879b20a6cSYishai Hadas return err; 84979b20a6cSYishai Hadas } 85079b20a6cSYishai Hadas 851762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 85279b20a6cSYishai Hadas &ncont, NULL); 85379b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 85479b20a6cSYishai Hadas &rwq->rq_page_offset); 85579b20a6cSYishai Hadas if (err) { 85679b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 85779b20a6cSYishai Hadas goto err_umem; 85879b20a6cSYishai Hadas } 85979b20a6cSYishai Hadas 86079b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 86179b20a6cSYishai Hadas rwq->page_shift = page_shift; 86279b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 86379b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 86479b20a6cSYishai Hadas 86579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 86679b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 86779b20a6cSYishai Hadas npages, page_shift, ncont, offset); 86879b20a6cSYishai Hadas 86989944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 87079b20a6cSYishai Hadas if (err) { 87179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 87279b20a6cSYishai Hadas goto err_umem; 87379b20a6cSYishai Hadas } 87479b20a6cSYishai Hadas 87579b20a6cSYishai Hadas return 0; 87679b20a6cSYishai Hadas 87779b20a6cSYishai Hadas err_umem: 87879b20a6cSYishai Hadas ib_umem_release(rwq->umem); 87979b20a6cSYishai Hadas return err; 88079b20a6cSYishai Hadas } 88179b20a6cSYishai Hadas 882b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 883b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 884b037c29aSEli Cohen { 885b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 886b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 887b037c29aSEli Cohen } 888b037c29aSEli Cohen 88998fc1126SLeon Romanovsky static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 890e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 89176883a6cSLeon Romanovsky struct ib_qp_init_attr *attr, u32 **in, 89219098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 89376883a6cSLeon Romanovsky struct mlx5_ib_qp_base *base, 89476883a6cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 895e126ba97SEli Cohen { 896e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 89719098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 8989e9c47d0SEli Cohen int page_shift = 0; 8991ee47ab3SYishai Hadas int uar_index = 0; 900e126ba97SEli Cohen int npages; 9019e9c47d0SEli Cohen u32 offset = 0; 9022f5ff264SEli Cohen int bfregn; 9039e9c47d0SEli Cohen int ncont = 0; 90409a7d9ecSSaeed Mahameed __be64 *pas; 90509a7d9ecSSaeed Mahameed void *qpc; 906e126ba97SEli Cohen int err; 9075aa3771dSYishai Hadas u16 uid; 908ac42a5eeSYishai Hadas u32 uar_flags; 909e126ba97SEli Cohen 91089944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 91189944450SShamir Rabinovitch ibucontext); 91276883a6cSLeon Romanovsky uar_flags = qp->flags_en & 91376883a6cSLeon Romanovsky (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); 914ac42a5eeSYishai Hadas switch (uar_flags) { 915ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 91676883a6cSLeon Romanovsky uar_index = ucmd->bfreg_index; 917ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 918ac42a5eeSYishai Hadas break; 919ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 9201ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 92176883a6cSLeon Romanovsky ucmd->bfreg_index, true); 9221ee47ab3SYishai Hadas if (uar_index < 0) 9231ee47ab3SYishai Hadas return uar_index; 9241ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 925ac42a5eeSYishai Hadas break; 926ac42a5eeSYishai Hadas case 0: 9272be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 928ac42a5eeSYishai Hadas return -EINVAL; 929ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 930ffaf58deSLeon Romanovsky if (bfregn < 0) 9312f5ff264SEli Cohen return bfregn; 932ac42a5eeSYishai Hadas break; 933ac42a5eeSYishai Hadas default: 934ac42a5eeSYishai Hadas return -EINVAL; 935e126ba97SEli Cohen } 936e126ba97SEli Cohen 9372f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9381ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9391ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9401ee47ab3SYishai Hadas false); 941e126ba97SEli Cohen 94248fea837SHaggai Eran qp->rq.offset = 0; 94348fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 94448fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 94548fea837SHaggai Eran 94676883a6cSLeon Romanovsky err = set_user_buf_size(dev, qp, ucmd, base, attr); 947e126ba97SEli Cohen if (err) 9482f5ff264SEli Cohen goto err_bfreg; 949e126ba97SEli Cohen 95076883a6cSLeon Romanovsky if (ucmd->buf_addr && ubuffer->buf_size) { 95176883a6cSLeon Romanovsky ubuffer->buf_addr = ucmd->buf_addr; 952b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 953b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 954b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 95519098df2Smajd@mellanox.com if (err) 9562f5ff264SEli Cohen goto err_bfreg; 9579e9c47d0SEli Cohen } else { 95819098df2Smajd@mellanox.com ubuffer->umem = NULL; 9599e9c47d0SEli Cohen } 960e126ba97SEli Cohen 96109a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 96209a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9631b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 964e126ba97SEli Cohen if (!*in) { 965e126ba97SEli Cohen err = -ENOMEM; 966e126ba97SEli Cohen goto err_umem; 967e126ba97SEli Cohen } 968e126ba97SEli Cohen 96904bcc1c2SLeon Romanovsky uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9705aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 97109a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 97209a7d9ecSSaeed Mahameed if (ubuffer->umem) 97309a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 97409a7d9ecSSaeed Mahameed 97509a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 97609a7d9ecSSaeed Mahameed 97709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 97809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 97909a7d9ecSSaeed Mahameed 98009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9811ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 982b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9831ee47ab3SYishai Hadas else 9841ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9852f5ff264SEli Cohen qp->bfregn = bfregn; 986e126ba97SEli Cohen 98776883a6cSLeon Romanovsky err = mlx5_ib_db_map_user(context, udata, ucmd->db_addr, &qp->db); 988e126ba97SEli Cohen if (err) { 989e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 990e126ba97SEli Cohen goto err_free; 991e126ba97SEli Cohen } 992e126ba97SEli Cohen 993e126ba97SEli Cohen return 0; 994e126ba97SEli Cohen 995e126ba97SEli Cohen err_free: 996479163f4SAl Viro kvfree(*in); 997e126ba97SEli Cohen 998e126ba97SEli Cohen err_umem: 99919098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 1000e126ba97SEli Cohen 10012f5ff264SEli Cohen err_bfreg: 10021ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 10034ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 1004e126ba97SEli Cohen return err; 1005e126ba97SEli Cohen } 1006e126ba97SEli Cohen 1007747c519cSLeon Romanovsky static void destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1008747c519cSLeon Romanovsky struct mlx5_ib_qp_base *base, struct ib_udata *udata) 1009e126ba97SEli Cohen { 1010747c519cSLeon Romanovsky struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( 1011747c519cSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 1012e126ba97SEli Cohen 1013747c519cSLeon Romanovsky if (udata) { 1014747c519cSLeon Romanovsky /* User QP */ 1015e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 101619098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10171ee47ab3SYishai Hadas 10181ee47ab3SYishai Hadas /* 10191ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10201ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10211ee47ab3SYishai Hadas */ 10221ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10234ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1024747c519cSLeon Romanovsky return; 1025747c519cSLeon Romanovsky } 1026747c519cSLeon Romanovsky 1027747c519cSLeon Romanovsky /* Kernel QP */ 1028747c519cSLeon Romanovsky kvfree(qp->sq.wqe_head); 1029747c519cSLeon Romanovsky kvfree(qp->sq.w_list); 1030747c519cSLeon Romanovsky kvfree(qp->sq.wrid); 1031747c519cSLeon Romanovsky kvfree(qp->sq.wr_data); 1032747c519cSLeon Romanovsky kvfree(qp->rq.wrid); 1033747c519cSLeon Romanovsky if (qp->db.db) 1034747c519cSLeon Romanovsky mlx5_db_free(dev->mdev, &qp->db); 1035747c519cSLeon Romanovsky if (qp->buf.frags) 1036747c519cSLeon Romanovsky mlx5_frag_buf_free(dev->mdev, &qp->buf); 1037e126ba97SEli Cohen } 1038e126ba97SEli Cohen 103998fc1126SLeon Romanovsky static int _create_kernel_qp(struct mlx5_ib_dev *dev, 1040e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 104198fc1126SLeon Romanovsky struct mlx5_ib_qp *qp, u32 **in, int *inlen, 104219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1043e126ba97SEli Cohen { 1044e126ba97SEli Cohen int uar_index; 104509a7d9ecSSaeed Mahameed void *qpc; 1046e126ba97SEli Cohen int err; 1047e126ba97SEli Cohen 1048e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10495fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 10502978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 105111f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 10525fe9dec0SEli Cohen else 10535fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1054e126ba97SEli Cohen 1055d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1056d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1057d8030b0dSEli Cohen */ 1058d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10595fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1060e126ba97SEli Cohen 1061e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1062e126ba97SEli Cohen if (err < 0) { 1063e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10645fe9dec0SEli Cohen return err; 1065e126ba97SEli Cohen } 1066e126ba97SEli Cohen 1067e126ba97SEli Cohen qp->rq.offset = 0; 1068e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 106919098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1070e126ba97SEli Cohen 107134f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 107234f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1073e126ba97SEli Cohen if (err) { 1074e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10755fe9dec0SEli Cohen return err; 1076e126ba97SEli Cohen } 1077e126ba97SEli Cohen 107834f4c955SGuy Levi if (qp->rq.wqe_cnt) 107934f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 108034f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 108134f4c955SGuy Levi 108234f4c955SGuy Levi if (qp->sq.wqe_cnt) { 108334f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 108434f4c955SGuy Levi MLX5_SEND_WQE_BB; 108534f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 108634f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 108734f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 108834f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 108934f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 109034f4c955SGuy Levi 109134f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 109234f4c955SGuy Levi } 109334f4c955SGuy Levi 109409a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 109509a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10961b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1097e126ba97SEli Cohen if (!*in) { 1098e126ba97SEli Cohen err = -ENOMEM; 1099e126ba97SEli Cohen goto err_buf; 1100e126ba97SEli Cohen } 110109a7d9ecSSaeed Mahameed 110209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 110309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 110409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 110509a7d9ecSSaeed Mahameed 1106e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 110709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 110809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1109e126ba97SEli Cohen 11102978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 111109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1112b11a4f9cSHaggai Eran 111334f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 111434f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 111534f4c955SGuy Levi *in, pas)); 1116e126ba97SEli Cohen 11179603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1118e126ba97SEli Cohen if (err) { 1119e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1120e126ba97SEli Cohen goto err_free; 1121e126ba97SEli Cohen } 1122e126ba97SEli Cohen 1123b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1124b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1125b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1126b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1127b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1128b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1129b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1130b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1131b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1132b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1133e126ba97SEli Cohen 1134e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1135e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1136e126ba97SEli Cohen err = -ENOMEM; 1137e126ba97SEli Cohen goto err_wrid; 1138e126ba97SEli Cohen } 1139e126ba97SEli Cohen 1140e126ba97SEli Cohen return 0; 1141e126ba97SEli Cohen 1142e126ba97SEli Cohen err_wrid: 1143b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1144b5883008SLi Dongyang kvfree(qp->sq.w_list); 1145b5883008SLi Dongyang kvfree(qp->sq.wrid); 1146b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1147b5883008SLi Dongyang kvfree(qp->rq.wrid); 1148f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1149e126ba97SEli Cohen 1150e126ba97SEli Cohen err_free: 1151479163f4SAl Viro kvfree(*in); 1152e126ba97SEli Cohen 1153e126ba97SEli Cohen err_buf: 115434f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1155e126ba97SEli Cohen return err; 1156e126ba97SEli Cohen } 1157e126ba97SEli Cohen 115809a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1159e126ba97SEli Cohen { 11607aede1a2SLeon Romanovsky if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || 11617aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) 116209a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1163e126ba97SEli Cohen else if (!qp->has_rq) 116409a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 11657aede1a2SLeon Romanovsky 116609a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1167e126ba97SEli Cohen } 1168e126ba97SEli Cohen 11690fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1170c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11711cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11721cd6dbd3SYishai Hadas struct ib_pd *pd) 11730fb2ed66Smajd@mellanox.com { 1174e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 11750fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 11760fb2ed66Smajd@mellanox.com 11771cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11780fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 11792be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1180c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1181c2e53b2cSYishai Hadas 1182e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 11830fb2ed66Smajd@mellanox.com } 11840fb2ed66Smajd@mellanox.com 11850fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11861cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11870fb2ed66Smajd@mellanox.com { 11881cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11890fb2ed66Smajd@mellanox.com } 11900fb2ed66Smajd@mellanox.com 1191d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1192b96c9ddeSMark Bloch { 1193b96c9ddeSMark Bloch if (sq->flow_rule) 1194b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1195d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1196b96c9ddeSMark Bloch } 1197b96c9ddeSMark Bloch 11980fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1199b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12000fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12010fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12020fb2ed66Smajd@mellanox.com { 12030fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12040fb2ed66Smajd@mellanox.com __be64 *pas; 12050fb2ed66Smajd@mellanox.com void *in; 12060fb2ed66Smajd@mellanox.com void *sqc; 12070fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12080fb2ed66Smajd@mellanox.com void *wq; 12090fb2ed66Smajd@mellanox.com int inlen; 12100fb2ed66Smajd@mellanox.com int err; 12110fb2ed66Smajd@mellanox.com int page_shift = 0; 12120fb2ed66Smajd@mellanox.com int npages; 12130fb2ed66Smajd@mellanox.com int ncont = 0; 12140fb2ed66Smajd@mellanox.com u32 offset = 0; 12150fb2ed66Smajd@mellanox.com 1216b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1217b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1218b0ea0fa5SJason Gunthorpe &offset); 12190fb2ed66Smajd@mellanox.com if (err) 12200fb2ed66Smajd@mellanox.com return err; 12210fb2ed66Smajd@mellanox.com 12220fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12231b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12240fb2ed66Smajd@mellanox.com if (!in) { 12250fb2ed66Smajd@mellanox.com err = -ENOMEM; 12260fb2ed66Smajd@mellanox.com goto err_umem; 12270fb2ed66Smajd@mellanox.com } 12280fb2ed66Smajd@mellanox.com 1229c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12300fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12310fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1232795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1233795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12340fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12350fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12360fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12370fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12380fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 123996dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 124096dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 124196dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12420fb2ed66Smajd@mellanox.com 12430fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12440fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12450fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12460fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12470fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12480fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12490fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 12500fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 12510fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 12520fb2ed66Smajd@mellanox.com 12530fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12540fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 12550fb2ed66Smajd@mellanox.com 1256333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 12570fb2ed66Smajd@mellanox.com 12580fb2ed66Smajd@mellanox.com kvfree(in); 12590fb2ed66Smajd@mellanox.com 12600fb2ed66Smajd@mellanox.com if (err) 12610fb2ed66Smajd@mellanox.com goto err_umem; 12620fb2ed66Smajd@mellanox.com 12630fb2ed66Smajd@mellanox.com return 0; 12640fb2ed66Smajd@mellanox.com 12650fb2ed66Smajd@mellanox.com err_umem: 12660fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12670fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 12680fb2ed66Smajd@mellanox.com 12690fb2ed66Smajd@mellanox.com return err; 12700fb2ed66Smajd@mellanox.com } 12710fb2ed66Smajd@mellanox.com 12720fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12730fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 12740fb2ed66Smajd@mellanox.com { 1275d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1276333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 12770fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12780fb2ed66Smajd@mellanox.com } 12790fb2ed66Smajd@mellanox.com 12802c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 12810fb2ed66Smajd@mellanox.com { 12820fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 12830fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 12840fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 12850fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 12860fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 12870fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 12880fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 12890fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 12900fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 12910fb2ed66Smajd@mellanox.com 12920fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 12930fb2ed66Smajd@mellanox.com } 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12962c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 129734d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 12980fb2ed66Smajd@mellanox.com { 1299358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13000fb2ed66Smajd@mellanox.com __be64 *pas; 13010fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13020fb2ed66Smajd@mellanox.com void *in; 13030fb2ed66Smajd@mellanox.com void *rqc; 13040fb2ed66Smajd@mellanox.com void *wq; 13050fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13062c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13072c292dbbSBoris Pismenny size_t inlen; 13080fb2ed66Smajd@mellanox.com int err; 13092c292dbbSBoris Pismenny 13102c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13112c292dbbSBoris Pismenny return -EINVAL; 13120fb2ed66Smajd@mellanox.com 13130fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13141b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13150fb2ed66Smajd@mellanox.com if (!in) 13160fb2ed66Smajd@mellanox.com return -ENOMEM; 13170fb2ed66Smajd@mellanox.com 131834d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13190fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1320e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13210fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13220fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13230fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13240fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13250fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13260fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13270fb2ed66Smajd@mellanox.com 13282be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1329358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1330358e42eaSMajd Dibbiny 13310fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1333b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1334b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13350fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 13360fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13370fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13380fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13390fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 13400fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13410fb2ed66Smajd@mellanox.com 13420fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13430fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 13440fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 13450fb2ed66Smajd@mellanox.com 1346333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 13470fb2ed66Smajd@mellanox.com 13480fb2ed66Smajd@mellanox.com kvfree(in); 13490fb2ed66Smajd@mellanox.com 13500fb2ed66Smajd@mellanox.com return err; 13510fb2ed66Smajd@mellanox.com } 13520fb2ed66Smajd@mellanox.com 13530fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13540fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13550fb2ed66Smajd@mellanox.com { 1356333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 13570fb2ed66Smajd@mellanox.com } 13580fb2ed66Smajd@mellanox.com 13590042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 13600042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1361443c1cf9SYishai Hadas u32 qp_flags_en, 1362443c1cf9SYishai Hadas struct ib_pd *pd) 13630042f9e4SMark Bloch { 13640042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13650042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13660042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1367443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 13680042f9e4SMark Bloch } 13690042f9e4SMark Bloch 13700fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1371f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1372e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1373e0b4b472SLeon Romanovsky u32 *out) 13740fb2ed66Smajd@mellanox.com { 1375175edba8SMark Bloch u8 lb_flag = 0; 13760fb2ed66Smajd@mellanox.com u32 *in; 13770fb2ed66Smajd@mellanox.com void *tirc; 13780fb2ed66Smajd@mellanox.com int inlen; 13790fb2ed66Smajd@mellanox.com int err; 13800fb2ed66Smajd@mellanox.com 13810fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 13821b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13830fb2ed66Smajd@mellanox.com if (!in) 13840fb2ed66Smajd@mellanox.com return -ENOMEM; 13850fb2ed66Smajd@mellanox.com 1386443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 13870fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 13880fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 13890fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 13900fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1391175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1392f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 13930fb2ed66Smajd@mellanox.com 1394175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1395175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1396175edba8SMark Bloch 1397175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1398175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1399175edba8SMark Bloch 14006a4d00beSMark Bloch if (dev->is_rep) { 1401175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1402175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1403175edba8SMark Bloch } 1404175edba8SMark Bloch 1405175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1406e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1407e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14081f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14090042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14100042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14110042f9e4SMark Bloch 14120042f9e4SMark Bloch if (err) 1413443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14140042f9e4SMark Bloch } 14150fb2ed66Smajd@mellanox.com kvfree(in); 14160fb2ed66Smajd@mellanox.com 14170fb2ed66Smajd@mellanox.com return err; 14180fb2ed66Smajd@mellanox.com } 14190fb2ed66Smajd@mellanox.com 14200fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14212c292dbbSBoris Pismenny u32 *in, size_t inlen, 14227f72052cSYishai Hadas struct ib_pd *pd, 14237f72052cSYishai Hadas struct ib_udata *udata, 14247f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 14250fb2ed66Smajd@mellanox.com { 14260fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14270fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14280fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 142989944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 143089944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14310fb2ed66Smajd@mellanox.com int err; 14320fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14337f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14341f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14350fb2ed66Smajd@mellanox.com 14360eacc574SAharon Landau if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) 14370eacc574SAharon Landau return -EINVAL; 14380fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14391cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14400fb2ed66Smajd@mellanox.com if (err) 14410fb2ed66Smajd@mellanox.com return err; 14420fb2ed66Smajd@mellanox.com 1443b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 14440fb2ed66Smajd@mellanox.com if (err) 14450fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14460fb2ed66Smajd@mellanox.com 14477f72052cSYishai Hadas if (uid) { 14487f72052cSYishai Hadas resp->tisn = sq->tisn; 14497f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14507f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14517f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14527f72052cSYishai Hadas } 14537f72052cSYishai Hadas 14540fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14551d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 14560fb2ed66Smajd@mellanox.com } 14570fb2ed66Smajd@mellanox.com 14580fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1459358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1460358e42eaSMajd Dibbiny 14612be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1462e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 14632be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1464b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 146534d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 14660fb2ed66Smajd@mellanox.com if (err) 14670fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14680fb2ed66Smajd@mellanox.com 1469e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1470e0b4b472SLeon Romanovsky out); 14710fb2ed66Smajd@mellanox.com if (err) 14720fb2ed66Smajd@mellanox.com goto err_destroy_rq; 14737f72052cSYishai Hadas 14747f72052cSYishai Hadas if (uid) { 14757f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 14767f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 14777f72052cSYishai Hadas resp->tirn = rq->tirn; 14787f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 14791f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 14801f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 14811f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 14821f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14831f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14841f1d6abbSAriel Levkovich icm_address_39_32) 14851f1d6abbSAriel Levkovich << 32; 14861f1d6abbSAriel Levkovich resp->tir_icm_addr |= 14871f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 14881f1d6abbSAriel Levkovich icm_address_63_40) 14891f1d6abbSAriel Levkovich << 40; 14901f1d6abbSAriel Levkovich resp->comp_mask |= 14911f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 14921f1d6abbSAriel Levkovich } 14937f72052cSYishai Hadas } 14940fb2ed66Smajd@mellanox.com } 14950fb2ed66Smajd@mellanox.com 14960fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 14970fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 14980fb2ed66Smajd@mellanox.com return 0; 14990fb2ed66Smajd@mellanox.com 15000fb2ed66Smajd@mellanox.com err_destroy_rq: 15010fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15020fb2ed66Smajd@mellanox.com err_destroy_sq: 15030fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15040fb2ed66Smajd@mellanox.com return err; 15050fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15060fb2ed66Smajd@mellanox.com err_destroy_tis: 15071cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15080fb2ed66Smajd@mellanox.com 15090fb2ed66Smajd@mellanox.com return err; 15100fb2ed66Smajd@mellanox.com } 15110fb2ed66Smajd@mellanox.com 15120fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15130fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15140fb2ed66Smajd@mellanox.com { 15150fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15160fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15170fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15180fb2ed66Smajd@mellanox.com 15190fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1520443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15210fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15220fb2ed66Smajd@mellanox.com } 15230fb2ed66Smajd@mellanox.com 15240fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15250fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15261cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15270fb2ed66Smajd@mellanox.com } 15280fb2ed66Smajd@mellanox.com } 15290fb2ed66Smajd@mellanox.com 15300fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15310fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15320fb2ed66Smajd@mellanox.com { 15330fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15340fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15350fb2ed66Smajd@mellanox.com 15360fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15370fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15380fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15390fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15400fb2ed66Smajd@mellanox.com } 15410fb2ed66Smajd@mellanox.com 154228d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 154328d61370SYishai Hadas { 15440042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15450042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15460042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1547443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1548443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 154928d61370SYishai Hadas } 155028d61370SYishai Hadas 1551f78d358cSLeon Romanovsky struct mlx5_create_qp_params { 1552f78d358cSLeon Romanovsky struct ib_udata *udata; 1553f78d358cSLeon Romanovsky size_t inlen; 15546f2cf76eSLeon Romanovsky size_t outlen; 1555f78d358cSLeon Romanovsky void *ucmd; 1556f78d358cSLeon Romanovsky u8 is_rss_raw : 1; 1557f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr; 1558f78d358cSLeon Romanovsky u32 uidx; 155908d53976SLeon Romanovsky struct mlx5_ib_create_qp_resp resp; 1560f78d358cSLeon Romanovsky }; 1561f78d358cSLeon Romanovsky 1562f78d358cSLeon Romanovsky static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1563f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1564f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 156528d61370SYishai Hadas { 1566f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1567f78d358cSLeon Romanovsky struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; 1568f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 156989944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 157089944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 157128d61370SYishai Hadas int inlen; 15721f1d6abbSAriel Levkovich int outlen; 157328d61370SYishai Hadas int err; 157428d61370SYishai Hadas u32 *in; 15751f1d6abbSAriel Levkovich u32 *out; 157628d61370SYishai Hadas void *tirc; 157728d61370SYishai Hadas void *hfso; 157828d61370SYishai Hadas u32 selected_fields = 0; 15792d93fc85SMatan Barak u32 outer_l4; 158028d61370SYishai Hadas u32 tdn = mucontext->tdn; 1581175edba8SMark Bloch u8 lb_flag = 0; 158228d61370SYishai Hadas 15835ce0592bSLeon Romanovsky if (ucmd->comp_mask) { 158428d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 158528d61370SYishai Hadas return -EOPNOTSUPP; 158628d61370SYishai Hadas } 158728d61370SYishai Hadas 15885ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && 15895ce0592bSLeon Romanovsky !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1590309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1591309fa347SMaor Gottlieb return -EOPNOTSUPP; 1592309fa347SMaor Gottlieb } 1593309fa347SMaor Gottlieb 159437518fa4SLeon Romanovsky if (dev->is_rep) 1595175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1596175edba8SMark Bloch 159737518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 159837518fa4SLeon Romanovsky lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 159937518fa4SLeon Romanovsky 160037518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1601175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1602175edba8SMark Bloch 160328d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16041f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16051f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 160628d61370SYishai Hadas if (!in) 160728d61370SYishai Hadas return -ENOMEM; 160828d61370SYishai Hadas 16091f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1610443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 161128d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 161228d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 161328d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 161428d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 161528d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 161628d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 161728d61370SYishai Hadas 161828d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1619f95ef6cbSMaor Gottlieb 16205ce0592bSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1621f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1622f95ef6cbSMaor Gottlieb 1623175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1624175edba8SMark Bloch 16255ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1626309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1627309fa347SMaor Gottlieb else 1628309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1629309fa347SMaor Gottlieb 16305ce0592bSLeon Romanovsky switch (ucmd->rx_hash_function) { 163128d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 163228d61370SYishai Hadas { 163328d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 163428d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 163528d61370SYishai Hadas 16365ce0592bSLeon Romanovsky if (len != ucmd->rx_key_len) { 163728d61370SYishai Hadas err = -EINVAL; 163828d61370SYishai Hadas goto err; 163928d61370SYishai Hadas } 164028d61370SYishai Hadas 164128d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 16425ce0592bSLeon Romanovsky memcpy(rss_key, ucmd->rx_hash_key, len); 164328d61370SYishai Hadas break; 164428d61370SYishai Hadas } 164528d61370SYishai Hadas default: 164628d61370SYishai Hadas err = -EOPNOTSUPP; 164728d61370SYishai Hadas goto err; 164828d61370SYishai Hadas } 164928d61370SYishai Hadas 16505ce0592bSLeon Romanovsky if (!ucmd->rx_hash_fields_mask) { 165128d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 165228d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 165328d61370SYishai Hadas goto create_tir; 165428d61370SYishai Hadas err = -EINVAL; 165528d61370SYishai Hadas goto err; 165628d61370SYishai Hadas } 165728d61370SYishai Hadas 16585ce0592bSLeon Romanovsky if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16595ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 16605ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16615ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 166228d61370SYishai Hadas err = -EINVAL; 166328d61370SYishai Hadas goto err; 166428d61370SYishai Hadas } 166528d61370SYishai Hadas 166628d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 16675ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 16685ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 166928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 167028d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 16715ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 16725ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 167328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 167428d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 167528d61370SYishai Hadas 16765ce0592bSLeon Romanovsky outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16775ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 16785ce0592bSLeon Romanovsky << 0 | 16795ce0592bSLeon Romanovsky ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16805ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 16815ce0592bSLeon Romanovsky << 1 | 16825ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 16832d93fc85SMatan Barak 16842d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 16852d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 168628d61370SYishai Hadas err = -EINVAL; 168728d61370SYishai Hadas goto err; 168828d61370SYishai Hadas } 168928d61370SYishai Hadas 169028d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 16915ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16925ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 169328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 169428d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 16955ce0592bSLeon Romanovsky else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16965ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 169728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 169828d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 169928d61370SYishai Hadas 17005ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 17015ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 170228d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 170328d61370SYishai Hadas 17045ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 17055ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 170628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 170728d61370SYishai Hadas 17085ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17095ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 171028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 171128d61370SYishai Hadas 17125ce0592bSLeon Romanovsky if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 17135ce0592bSLeon Romanovsky (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 171428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 171528d61370SYishai Hadas 17165ce0592bSLeon Romanovsky if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17172d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17182d93fc85SMatan Barak 171928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 172028d61370SYishai Hadas 172128d61370SYishai Hadas create_tir: 1722e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1723e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 172428d61370SYishai Hadas 17251f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 17260042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17270042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17280042f9e4SMark Bloch 17290042f9e4SMark Bloch if (err) 1730443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1731443c1cf9SYishai Hadas to_mpd(pd)->uid); 17320042f9e4SMark Bloch } 17330042f9e4SMark Bloch 173428d61370SYishai Hadas if (err) 173528d61370SYishai Hadas goto err; 173628d61370SYishai Hadas 17377f72052cSYishai Hadas if (mucontext->devx_uid) { 173808d53976SLeon Romanovsky params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 173908d53976SLeon Romanovsky params->resp.tirn = qp->rss_qp.tirn; 17401f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 174108d53976SLeon Romanovsky params->resp.tir_icm_addr = 17421f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 174308d53976SLeon Romanovsky params->resp.tir_icm_addr |= 174408d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17451f1d6abbSAriel Levkovich icm_address_39_32) 17461f1d6abbSAriel Levkovich << 32; 174708d53976SLeon Romanovsky params->resp.tir_icm_addr |= 174808d53976SLeon Romanovsky (u64)MLX5_GET(create_tir_out, out, 17491f1d6abbSAriel Levkovich icm_address_63_40) 17501f1d6abbSAriel Levkovich << 40; 175108d53976SLeon Romanovsky params->resp.comp_mask |= 17521f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 17531f1d6abbSAriel Levkovich } 17547f72052cSYishai Hadas } 17557f72052cSYishai Hadas 175628d61370SYishai Hadas kvfree(in); 175728d61370SYishai Hadas /* qpn is reserved for that QP */ 175828d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 17592be08c30SLeon Romanovsky qp->is_rss = true; 176028d61370SYishai Hadas return 0; 176128d61370SYishai Hadas 176228d61370SYishai Hadas err: 176328d61370SYishai Hadas kvfree(in); 176428d61370SYishai Hadas return err; 176528d61370SYishai Hadas } 176628d61370SYishai Hadas 17675d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 17685d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 17696f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 17705d6ff1baSYonatan Cohen void *qpc) 17715d6ff1baSYonatan Cohen { 17725d6ff1baSYonatan Cohen int scqe_sz; 17732ab367a7Szhengbin bool allow_scat_cqe = false; 17745d6ff1baSYonatan Cohen 17756f4bc0eaSYonatan Cohen if (ucmd) 17766f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 17776f4bc0eaSYonatan Cohen 17786f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 17795d6ff1baSYonatan Cohen return; 17805d6ff1baSYonatan Cohen 17815d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 17825d6ff1baSYonatan Cohen if (scqe_sz == 128) { 17835d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 17845d6ff1baSYonatan Cohen return; 17855d6ff1baSYonatan Cohen } 17865d6ff1baSYonatan Cohen 17875d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 17885d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 17895d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 17905d6ff1baSYonatan Cohen } 17915d6ff1baSYonatan Cohen 1792a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1793a60109dcSYonatan Cohen { 1794a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1795a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1796a60109dcSYonatan Cohen */ 1797a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1798a60109dcSYonatan Cohen int log_max_size; 1799a60109dcSYonatan Cohen 1800a60109dcSYonatan Cohen if (!supported_size_mask) 1801a60109dcSYonatan Cohen return -EOPNOTSUPP; 1802a60109dcSYonatan Cohen 1803a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1804a60109dcSYonatan Cohen 1805a60109dcSYonatan Cohen if (log_max_size > 3) 1806a60109dcSYonatan Cohen return log_max_size; 1807a60109dcSYonatan Cohen 1808a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1809a60109dcSYonatan Cohen } 1810a60109dcSYonatan Cohen 1811a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1812a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1813a60109dcSYonatan Cohen { 1814a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1815a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1816a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1817a60109dcSYonatan Cohen int atomic_size_mask; 1818a60109dcSYonatan Cohen 1819a60109dcSYonatan Cohen if (!atomic) 1820a60109dcSYonatan Cohen return -EOPNOTSUPP; 1821a60109dcSYonatan Cohen 1822a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1823a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1824a60109dcSYonatan Cohen else 1825a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1826a60109dcSYonatan Cohen 1827a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1828a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1829a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1830a60109dcSYonatan Cohen 1831a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1832a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1833a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1834a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1835a60109dcSYonatan Cohen 1836a60109dcSYonatan Cohen return atomic_mode; 1837a60109dcSYonatan Cohen } 1838a60109dcSYonatan Cohen 1839f78d358cSLeon Romanovsky static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1840f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 184104bcc1c2SLeon Romanovsky { 1842f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 1843f78d358cSLeon Romanovsky u32 uidx = params->uidx; 184404bcc1c2SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 184504bcc1c2SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 184604bcc1c2SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 184704bcc1c2SLeon Romanovsky struct mlx5_ib_qp_base *base; 184804bcc1c2SLeon Romanovsky unsigned long flags; 184904bcc1c2SLeon Romanovsky void *qpc; 185004bcc1c2SLeon Romanovsky u32 *in; 185104bcc1c2SLeon Romanovsky int err; 185204bcc1c2SLeon Romanovsky 185304bcc1c2SLeon Romanovsky mutex_init(&qp->mutex); 185404bcc1c2SLeon Romanovsky 185504bcc1c2SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 185604bcc1c2SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 185704bcc1c2SLeon Romanovsky 185804bcc1c2SLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 185904bcc1c2SLeon Romanovsky if (!in) 186004bcc1c2SLeon Romanovsky return -ENOMEM; 186104bcc1c2SLeon Romanovsky 186204bcc1c2SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 186304bcc1c2SLeon Romanovsky 186404bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); 186504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 186604bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); 186704bcc1c2SLeon Romanovsky 186804bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 186904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 187004bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 187104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_master, 1); 187204bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 187304bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_send, 1); 187404bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 187504bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cd_slave_receive, 1); 187604bcc1c2SLeon Romanovsky 187704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); 187804bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 187904bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 188004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 188104bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 188204bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); 188304bcc1c2SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 188404bcc1c2SLeon Romanovsky 188504bcc1c2SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 188604bcc1c2SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 188704bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 188804bcc1c2SLeon Romanovsky 188904bcc1c2SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 189004bcc1c2SLeon Romanovsky MLX5_SET(qpc, qpc, end_padding_mode, 189104bcc1c2SLeon Romanovsky MLX5_WQ_END_PAD_MODE_ALIGN); 189204bcc1c2SLeon Romanovsky /* Special case to clean flag */ 189304bcc1c2SLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 189404bcc1c2SLeon Romanovsky } 189504bcc1c2SLeon Romanovsky 189604bcc1c2SLeon Romanovsky base = &qp->trans_qp.base; 189704bcc1c2SLeon Romanovsky err = mlx5_core_create_qp(dev, &base->mqp, in, inlen); 189804bcc1c2SLeon Romanovsky kvfree(in); 18996367da46SLeon Romanovsky if (err) 190004bcc1c2SLeon Romanovsky return err; 190104bcc1c2SLeon Romanovsky 190204bcc1c2SLeon Romanovsky base->container_mibqp = qp; 190304bcc1c2SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 190404bcc1c2SLeon Romanovsky 190504bcc1c2SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 190604bcc1c2SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 190704bcc1c2SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 190804bcc1c2SLeon Romanovsky 1909968f0b6fSLeon Romanovsky qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; 191004bcc1c2SLeon Romanovsky return 0; 191104bcc1c2SLeon Romanovsky } 191204bcc1c2SLeon Romanovsky 191398fc1126SLeon Romanovsky static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1914f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 1915f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 1916e126ba97SEli Cohen { 1917f78d358cSLeon Romanovsky struct ib_qp_init_attr *init_attr = params->attr; 1918f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 1919f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 1920f78d358cSLeon Romanovsky u32 uidx = params->uidx; 1921e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 192209a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1923938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 192489ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 192589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 192689ea94a7SMaor Gottlieb unsigned long flags; 192709a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1928e7b169f3SNoa Osherovich int mlx5_st; 1929cfb5e088SHaggai Abramovsky void *qpc; 193009a7d9ecSSaeed Mahameed u32 *in; 193109a7d9ecSSaeed Mahameed int err; 1932e126ba97SEli Cohen 1933e126ba97SEli Cohen mutex_init(&qp->mutex); 1934e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1935e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1936e126ba97SEli Cohen 19377aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 1938e7b169f3SNoa Osherovich if (mlx5_st < 0) 1939e7b169f3SNoa Osherovich return -EINVAL; 1940e7b169f3SNoa Osherovich 1941e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1942e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1943e126ba97SEli Cohen 19442978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 19452978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 19462978975cSLeon Romanovsky 1947c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 19482be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 1949c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1950c2e53b2cSYishai Hadas &qp->trans_qp.base; 1951c2e53b2cSYishai Hadas 1952e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 19532dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 1954e126ba97SEli Cohen if (err) { 1955e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1956e126ba97SEli Cohen return err; 1957e126ba97SEli Cohen } 1958e126ba97SEli Cohen 19592dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 196098fc1126SLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) 1961e126ba97SEli Cohen return -EINVAL; 1962e126ba97SEli Cohen 196398fc1126SLeon Romanovsky if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) 196498fc1126SLeon Romanovsky return -EINVAL; 196598fc1126SLeon Romanovsky 196608d53976SLeon Romanovsky err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, 196708d53976SLeon Romanovsky &inlen, base, ucmd); 1968e126ba97SEli Cohen if (err) 1969e126ba97SEli Cohen return err; 1970e126ba97SEli Cohen 1971e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1972e126ba97SEli Cohen qp->port = init_attr->port_num; 1973e126ba97SEli Cohen 197409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 197509a7d9ecSSaeed Mahameed 1976e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 197709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 197898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); 1979e126ba97SEli Cohen 1980c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 198109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1982e126ba97SEli Cohen 19832be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 198409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1985f360d88aSEli Cohen 19862be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 198709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 19882be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 198909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 19902be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 199109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 19922be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 1993569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 199490ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 199590ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 19968bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 19978bde2c50SLeon Romanovsky int rcqe_sz = rcqe_sz = 19988bde2c50SLeon Romanovsky mlx5_ib_get_cqe_size(init_attr->recv_cq); 19998bde2c50SLeon Romanovsky 20008bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 20018bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 20028bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 20038bde2c50SLeon Romanovsky } 200490ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 20057aede1a2SLeon Romanovsky (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) 20062dfac92dSLeon Romanovsky configure_requester_scat_cqe(dev, init_attr, ucmd, qpc); 2007e126ba97SEli Cohen 2008e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 200909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 201009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2011e126ba97SEli Cohen } 2012e126ba97SEli Cohen 201309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2014e126ba97SEli Cohen 20153fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 201609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20173fd3307eSArtemy Kovalyov } else { 201809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20193fd3307eSArtemy Kovalyov if (init_attr->srq && 20203fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20213fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20223fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20233fd3307eSArtemy Kovalyov } 2024e126ba97SEli Cohen 2025e126ba97SEli Cohen /* Set default resources */ 2026e126ba97SEli Cohen switch (init_attr->qp_type) { 2027e126ba97SEli Cohen case IB_QPT_XRC_INI: 202809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 202909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 203009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2031e126ba97SEli Cohen break; 2032e126ba97SEli Cohen default: 2033e126ba97SEli Cohen if (init_attr->srq) { 203409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 203509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2036e126ba97SEli Cohen } else { 203709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 203809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2039e126ba97SEli Cohen } 2040e126ba97SEli Cohen } 2041e126ba97SEli Cohen 2042e126ba97SEli Cohen if (init_attr->send_cq) 204309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2044e126ba97SEli Cohen 2045e126ba97SEli Cohen if (init_attr->recv_cq) 204609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2047e126ba97SEli Cohen 204809a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2049e126ba97SEli Cohen 2050cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 205109a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2052cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 205309a7d9ecSSaeed Mahameed 20542978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 20552978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2056b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2057b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 20582978975cSLeon Romanovsky /* Special case to clean flag */ 20592978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2060b1383aa6SNoa Osherovich } 2061b1383aa6SNoa Osherovich 2062c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 20632be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 20642dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 20650fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 20667f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 206708d53976SLeon Romanovsky ¶ms->resp); 206804bcc1c2SLeon Romanovsky } else 2069333fbaa0SLeon Romanovsky err = mlx5_core_create_qp(dev, &base->mqp, in, inlen); 2070e126ba97SEli Cohen 2071479163f4SAl Viro kvfree(in); 207204bcc1c2SLeon Romanovsky if (err) 207304bcc1c2SLeon Romanovsky goto err_create; 2074e126ba97SEli Cohen 207519098df2Smajd@mellanox.com base->container_mibqp = qp; 207619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2077e126ba97SEli Cohen 20787aede1a2SLeon Romanovsky get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, 207989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 208089ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 208189ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 208289ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 208389ea94a7SMaor Gottlieb * flow 208489ea94a7SMaor Gottlieb */ 208589ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 208689ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 208789ea94a7SMaor Gottlieb */ 208889ea94a7SMaor Gottlieb if (send_cq) 208989ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 209089ea94a7SMaor Gottlieb if (recv_cq) 209189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 209289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 209389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 209489ea94a7SMaor Gottlieb 2095e126ba97SEli Cohen return 0; 2096e126ba97SEli Cohen 2097e126ba97SEli Cohen err_create: 2098747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2099e126ba97SEli Cohen return err; 2100e126ba97SEli Cohen } 2101e126ba97SEli Cohen 210298fc1126SLeon Romanovsky static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2103f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2104f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 210598fc1126SLeon Romanovsky { 2106f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2107f78d358cSLeon Romanovsky u32 uidx = params->uidx; 210898fc1126SLeon Romanovsky struct mlx5_ib_resources *devr = &dev->devr; 210998fc1126SLeon Romanovsky int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 211098fc1126SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 211198fc1126SLeon Romanovsky struct mlx5_ib_cq *send_cq; 211298fc1126SLeon Romanovsky struct mlx5_ib_cq *recv_cq; 211398fc1126SLeon Romanovsky unsigned long flags; 211498fc1126SLeon Romanovsky struct mlx5_ib_qp_base *base; 211598fc1126SLeon Romanovsky int mlx5_st; 211698fc1126SLeon Romanovsky void *qpc; 211798fc1126SLeon Romanovsky u32 *in; 211898fc1126SLeon Romanovsky int err; 211998fc1126SLeon Romanovsky 212098fc1126SLeon Romanovsky mutex_init(&qp->mutex); 212198fc1126SLeon Romanovsky spin_lock_init(&qp->sq.lock); 212298fc1126SLeon Romanovsky spin_lock_init(&qp->rq.lock); 212398fc1126SLeon Romanovsky 212498fc1126SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 212598fc1126SLeon Romanovsky if (mlx5_st < 0) 212698fc1126SLeon Romanovsky return -EINVAL; 212798fc1126SLeon Romanovsky 212898fc1126SLeon Romanovsky if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) 212998fc1126SLeon Romanovsky qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 213098fc1126SLeon Romanovsky 213198fc1126SLeon Romanovsky base = &qp->trans_qp.base; 213298fc1126SLeon Romanovsky 213398fc1126SLeon Romanovsky qp->has_rq = qp_has_rq(attr); 213498fc1126SLeon Romanovsky err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); 213598fc1126SLeon Romanovsky if (err) { 213698fc1126SLeon Romanovsky mlx5_ib_dbg(dev, "err %d\n", err); 213798fc1126SLeon Romanovsky return err; 213898fc1126SLeon Romanovsky } 213998fc1126SLeon Romanovsky 214098fc1126SLeon Romanovsky err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); 214198fc1126SLeon Romanovsky if (err) 214298fc1126SLeon Romanovsky return err; 214398fc1126SLeon Romanovsky 214498fc1126SLeon Romanovsky if (is_sqp(attr->qp_type)) 214598fc1126SLeon Romanovsky qp->port = attr->port_num; 214698fc1126SLeon Romanovsky 214798fc1126SLeon Romanovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 214898fc1126SLeon Romanovsky 214998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, st, mlx5_st); 215098fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 215198fc1126SLeon Romanovsky 215298fc1126SLeon Romanovsky if (attr->qp_type != MLX5_IB_QPT_REG_UMR) 215398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 215498fc1126SLeon Romanovsky else 215598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, latency_sensitive, 1); 215698fc1126SLeon Romanovsky 215798fc1126SLeon Romanovsky 215898fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 215998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, block_lb_mc, 1); 216098fc1126SLeon Romanovsky 216198fc1126SLeon Romanovsky if (qp->rq.wqe_cnt) { 216298fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 216398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 216498fc1126SLeon Romanovsky } 216598fc1126SLeon Romanovsky 216698fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); 216798fc1126SLeon Romanovsky 216898fc1126SLeon Romanovsky if (qp->sq.wqe_cnt) 216998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 217098fc1126SLeon Romanovsky else 217198fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, no_sq, 1); 217298fc1126SLeon Romanovsky 217398fc1126SLeon Romanovsky if (attr->srq) { 217498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 217598fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 217698fc1126SLeon Romanovsky to_msrq(attr->srq)->msrq.srqn); 217798fc1126SLeon Romanovsky } else { 217898fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 217998fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, 218098fc1126SLeon Romanovsky to_msrq(devr->s1)->msrq.srqn); 218198fc1126SLeon Romanovsky } 218298fc1126SLeon Romanovsky 218398fc1126SLeon Romanovsky if (attr->send_cq) 218498fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); 218598fc1126SLeon Romanovsky 218698fc1126SLeon Romanovsky if (attr->recv_cq) 218798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); 218898fc1126SLeon Romanovsky 218998fc1126SLeon Romanovsky MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 219098fc1126SLeon Romanovsky 219198fc1126SLeon Romanovsky /* 0xffffff means we ask to work with cqe version 0 */ 219298fc1126SLeon Romanovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 219398fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, user_index, uidx); 219498fc1126SLeon Romanovsky 219598fc1126SLeon Romanovsky /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 219698fc1126SLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 219798fc1126SLeon Romanovsky MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 219898fc1126SLeon Romanovsky 219998fc1126SLeon Romanovsky err = mlx5_core_create_qp(dev, &base->mqp, in, inlen); 220098fc1126SLeon Romanovsky kvfree(in); 220198fc1126SLeon Romanovsky if (err) 220298fc1126SLeon Romanovsky goto err_create; 220398fc1126SLeon Romanovsky 220498fc1126SLeon Romanovsky base->container_mibqp = qp; 220598fc1126SLeon Romanovsky base->mqp.event = mlx5_ib_qp_event; 220698fc1126SLeon Romanovsky 220798fc1126SLeon Romanovsky get_cqs(qp->type, attr->send_cq, attr->recv_cq, 220898fc1126SLeon Romanovsky &send_cq, &recv_cq); 220998fc1126SLeon Romanovsky spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 221098fc1126SLeon Romanovsky mlx5_ib_lock_cqs(send_cq, recv_cq); 221198fc1126SLeon Romanovsky /* Maintain device to QPs access, needed for further handling via reset 221298fc1126SLeon Romanovsky * flow 221398fc1126SLeon Romanovsky */ 221498fc1126SLeon Romanovsky list_add_tail(&qp->qps_list, &dev->qp_list); 221598fc1126SLeon Romanovsky /* Maintain CQ to QPs access, needed for further handling via reset flow 221698fc1126SLeon Romanovsky */ 221798fc1126SLeon Romanovsky if (send_cq) 221898fc1126SLeon Romanovsky list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 221998fc1126SLeon Romanovsky if (recv_cq) 222098fc1126SLeon Romanovsky list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 222198fc1126SLeon Romanovsky mlx5_ib_unlock_cqs(send_cq, recv_cq); 222298fc1126SLeon Romanovsky spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 222398fc1126SLeon Romanovsky 222498fc1126SLeon Romanovsky return 0; 222598fc1126SLeon Romanovsky 222698fc1126SLeon Romanovsky err_create: 2227747c519cSLeon Romanovsky destroy_qp(dev, qp, base, NULL); 222898fc1126SLeon Romanovsky return err; 222998fc1126SLeon Romanovsky } 223098fc1126SLeon Romanovsky 2231e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2232e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2233e126ba97SEli Cohen { 2234e126ba97SEli Cohen if (send_cq) { 2235e126ba97SEli Cohen if (recv_cq) { 2236e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 223789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2238e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2239e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2240e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 224189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2242e126ba97SEli Cohen __acquire(&recv_cq->lock); 2243e126ba97SEli Cohen } else { 224489ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2245e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2246e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2247e126ba97SEli Cohen } 2248e126ba97SEli Cohen } else { 224989ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22506a4f139aSEli Cohen __acquire(&recv_cq->lock); 2251e126ba97SEli Cohen } 2252e126ba97SEli Cohen } else if (recv_cq) { 225389ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22546a4f139aSEli Cohen __acquire(&send_cq->lock); 22556a4f139aSEli Cohen } else { 22566a4f139aSEli Cohen __acquire(&send_cq->lock); 22576a4f139aSEli Cohen __acquire(&recv_cq->lock); 2258e126ba97SEli Cohen } 2259e126ba97SEli Cohen } 2260e126ba97SEli Cohen 2261e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2262e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2263e126ba97SEli Cohen { 2264e126ba97SEli Cohen if (send_cq) { 2265e126ba97SEli Cohen if (recv_cq) { 2266e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2267e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 226889ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2269e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2270e126ba97SEli Cohen __release(&recv_cq->lock); 227189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2272e126ba97SEli Cohen } else { 2273e126ba97SEli Cohen spin_unlock(&send_cq->lock); 227489ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2275e126ba97SEli Cohen } 2276e126ba97SEli Cohen } else { 22776a4f139aSEli Cohen __release(&recv_cq->lock); 227889ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2279e126ba97SEli Cohen } 2280e126ba97SEli Cohen } else if (recv_cq) { 22816a4f139aSEli Cohen __release(&send_cq->lock); 228289ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 22836a4f139aSEli Cohen } else { 22846a4f139aSEli Cohen __release(&recv_cq->lock); 22856a4f139aSEli Cohen __release(&send_cq->lock); 2286e126ba97SEli Cohen } 2287e126ba97SEli Cohen } 2288e126ba97SEli Cohen 228989ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 229089ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2291e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2292e126ba97SEli Cohen { 229389ea94a7SMaor Gottlieb switch (qp_type) { 2294e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2295e126ba97SEli Cohen *send_cq = NULL; 2296e126ba97SEli Cohen *recv_cq = NULL; 2297e126ba97SEli Cohen break; 2298e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2299e126ba97SEli Cohen case IB_QPT_XRC_INI: 230089ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2301e126ba97SEli Cohen *recv_cq = NULL; 2302e126ba97SEli Cohen break; 2303e126ba97SEli Cohen 2304e126ba97SEli Cohen case IB_QPT_SMI: 2305d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2306e126ba97SEli Cohen case IB_QPT_RC: 2307e126ba97SEli Cohen case IB_QPT_UC: 2308e126ba97SEli Cohen case IB_QPT_UD: 23090fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 231089ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 231189ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2312e126ba97SEli Cohen break; 2313e126ba97SEli Cohen default: 2314e126ba97SEli Cohen *send_cq = NULL; 2315e126ba97SEli Cohen *recv_cq = NULL; 2316e126ba97SEli Cohen break; 2317e126ba97SEli Cohen } 2318e126ba97SEli Cohen } 2319e126ba97SEli Cohen 2320ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 232113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 232213eab21fSAviv Heller u8 lag_tx_affinity); 2323ad5f8e96Smajd@mellanox.com 2324bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2325bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2326e126ba97SEli Cohen { 2327e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2328c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 232989ea94a7SMaor Gottlieb unsigned long flags; 2330e126ba97SEli Cohen int err; 2331e126ba97SEli Cohen 233228d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 233328d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 233428d61370SYishai Hadas return; 233528d61370SYishai Hadas } 233628d61370SYishai Hadas 2337c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23382be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 23390fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23400fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23410fb2ed66Smajd@mellanox.com 23426aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2343c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 23442be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2345333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 23461a412fb1SSaeed Mahameed NULL, &base->mqp); 2347ad5f8e96Smajd@mellanox.com } else { 23480680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 23490680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 23500680efa2SAlex Vesker }; 23510680efa2SAlex Vesker 235213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2353ad5f8e96Smajd@mellanox.com } 2354ad5f8e96Smajd@mellanox.com if (err) 2355427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 235619098df2Smajd@mellanox.com base->mqp.qpn); 23576aec21f6SHaggai Eran } 2358e126ba97SEli Cohen 235989ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 236089ea94a7SMaor Gottlieb &send_cq, &recv_cq); 236189ea94a7SMaor Gottlieb 236289ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 236389ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 236489ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 236589ea94a7SMaor Gottlieb list_del(&qp->qps_list); 236689ea94a7SMaor Gottlieb if (send_cq) 236789ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 236889ea94a7SMaor Gottlieb 236989ea94a7SMaor Gottlieb if (recv_cq) 237089ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2371e126ba97SEli Cohen 237203c4077bSLeon Romanovsky if (!udata) { 237319098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2374e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2375e126ba97SEli Cohen if (send_cq != recv_cq) 237619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 237719098df2Smajd@mellanox.com NULL); 2378e126ba97SEli Cohen } 237989ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 238089ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2381e126ba97SEli Cohen 2382c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23832be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 23840fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 23850fb2ed66Smajd@mellanox.com } else { 2386333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2387e126ba97SEli Cohen if (err) 23880fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 23890fb2ed66Smajd@mellanox.com base->mqp.qpn); 23900fb2ed66Smajd@mellanox.com } 2391e126ba97SEli Cohen 2392747c519cSLeon Romanovsky destroy_qp(dev, qp, base, udata); 2393e126ba97SEli Cohen } 2394e126ba97SEli Cohen 239547c80612SLeon Romanovsky static int create_dct(struct ib_pd *pd, struct mlx5_ib_qp *qp, 2396f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 2397b4aaa1f0SMoni Shoua { 2398f78d358cSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 2399f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2400f78d358cSLeon Romanovsky u32 uidx = params->uidx; 2401b4aaa1f0SMoni Shoua void *dctc; 2402b4aaa1f0SMoni Shoua 2403b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24049c2ba4edSLeon Romanovsky if (!qp->dct.in) 240547c80612SLeon Romanovsky return -ENOMEM; 2406b4aaa1f0SMoni Shoua 2407a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2408b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2409b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2410b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2411b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2412b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2413b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2414b4aaa1f0SMoni Shoua 241537518fa4SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { 2416fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2417fd9dab7eSLeon Romanovsky 2418fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2419fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2420fd9dab7eSLeon Romanovsky } 24215d6ff1baSYonatan Cohen 2422b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2423b4aaa1f0SMoni Shoua 242447c80612SLeon Romanovsky return 0; 2425b4aaa1f0SMoni Shoua } 2426b4aaa1f0SMoni Shoua 24277aede1a2SLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 24287aede1a2SLeon Romanovsky enum ib_qp_type *type) 24296eb7edffSLeon Romanovsky { 24306eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 24316eb7edffSLeon Romanovsky goto out; 24326eb7edffSLeon Romanovsky 24336eb7edffSLeon Romanovsky switch (attr->qp_type) { 24346eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 24356eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 24366eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 24376eb7edffSLeon Romanovsky goto out; 24386eb7edffSLeon Romanovsky fallthrough; 24396eb7edffSLeon Romanovsky case IB_QPT_RAW_PACKET: 24406eb7edffSLeon Romanovsky case IB_QPT_RC: 24416eb7edffSLeon Romanovsky case IB_QPT_UC: 24426eb7edffSLeon Romanovsky case IB_QPT_UD: 24436eb7edffSLeon Romanovsky case IB_QPT_SMI: 24446eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 24456eb7edffSLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 24466eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 24476eb7edffSLeon Romanovsky case IB_QPT_GSI: 24487aede1a2SLeon Romanovsky break; 24496eb7edffSLeon Romanovsky default: 24506eb7edffSLeon Romanovsky goto out; 2451b4aaa1f0SMoni Shoua } 2452b4aaa1f0SMoni Shoua 24537aede1a2SLeon Romanovsky *type = attr->qp_type; 2454b4aaa1f0SMoni Shoua return 0; 24556eb7edffSLeon Romanovsky 24566eb7edffSLeon Romanovsky out: 24576eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 24586eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2459b4aaa1f0SMoni Shoua } 2460b4aaa1f0SMoni Shoua 24612242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 24622242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 24632242cc25SLeon Romanovsky struct ib_udata *udata) 24642242cc25SLeon Romanovsky { 24652242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 24662242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 24672242cc25SLeon Romanovsky 24682242cc25SLeon Romanovsky if (!udata) { 24692242cc25SLeon Romanovsky /* Kernel create_qp callers */ 24702242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 24712242cc25SLeon Romanovsky return -EOPNOTSUPP; 24722242cc25SLeon Romanovsky 24732242cc25SLeon Romanovsky switch (attr->qp_type) { 24742242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 24752242cc25SLeon Romanovsky case IB_QPT_DRIVER: 24762242cc25SLeon Romanovsky return -EOPNOTSUPP; 24772242cc25SLeon Romanovsky default: 24782242cc25SLeon Romanovsky return 0; 24792242cc25SLeon Romanovsky } 24802242cc25SLeon Romanovsky } 24812242cc25SLeon Romanovsky 24822242cc25SLeon Romanovsky /* Userspace create_qp callers */ 24832242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 24842242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 24852242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 24862242cc25SLeon Romanovsky return -EINVAL; 24872242cc25SLeon Romanovsky } 24882242cc25SLeon Romanovsky 24892242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 24902242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 24912242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 24922242cc25SLeon Romanovsky attr->qp_type); 24932242cc25SLeon Romanovsky return -EINVAL; 24942242cc25SLeon Romanovsky } 24952242cc25SLeon Romanovsky 24962242cc25SLeon Romanovsky switch (attr->qp_type) { 24972242cc25SLeon Romanovsky case IB_QPT_SMI: 24982242cc25SLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 24992242cc25SLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 25002242cc25SLeon Romanovsky case IB_QPT_GSI: 25012242cc25SLeon Romanovsky mlx5_ib_dbg(dev, "Kernel doesn't support QP type %d\n", 25022242cc25SLeon Romanovsky attr->qp_type); 25032242cc25SLeon Romanovsky return -EINVAL; 25042242cc25SLeon Romanovsky default: 25052242cc25SLeon Romanovsky break; 25062242cc25SLeon Romanovsky } 25072242cc25SLeon Romanovsky 25082242cc25SLeon Romanovsky /* 25092242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25102242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25112242cc25SLeon Romanovsky */ 25122242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25132242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25142242cc25SLeon Romanovsky return 0; 25152242cc25SLeon Romanovsky } 25162242cc25SLeon Romanovsky 251737518fa4SLeon Romanovsky static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 251837518fa4SLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 251937518fa4SLeon Romanovsky { 252037518fa4SLeon Romanovsky if (!(*flags & flag)) 252137518fa4SLeon Romanovsky return; 252237518fa4SLeon Romanovsky 252337518fa4SLeon Romanovsky if (cond) { 252437518fa4SLeon Romanovsky qp->flags_en |= flag; 252537518fa4SLeon Romanovsky *flags &= ~flag; 252637518fa4SLeon Romanovsky return; 252737518fa4SLeon Romanovsky } 252837518fa4SLeon Romanovsky 252937518fa4SLeon Romanovsky if (flag == MLX5_QP_FLAG_SCATTER_CQE) { 253037518fa4SLeon Romanovsky /* 253137518fa4SLeon Romanovsky * We don't return error if this flag was provided, 253237518fa4SLeon Romanovsky * and mlx5 doesn't have right capability. 253337518fa4SLeon Romanovsky */ 253437518fa4SLeon Romanovsky *flags &= ~MLX5_QP_FLAG_SCATTER_CQE; 253537518fa4SLeon Romanovsky return; 253637518fa4SLeon Romanovsky } 253737518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); 253837518fa4SLeon Romanovsky } 253937518fa4SLeon Romanovsky 254037518fa4SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 25415ce0592bSLeon Romanovsky void *ucmd, struct ib_qp_init_attr *attr) 25422fdddbd5SLeon Romanovsky { 254337518fa4SLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 254437518fa4SLeon Romanovsky bool cond; 25455ce0592bSLeon Romanovsky int flags; 25465ce0592bSLeon Romanovsky 25475ce0592bSLeon Romanovsky if (attr->rwq_ind_tbl) 25485ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; 25495ce0592bSLeon Romanovsky else 25505ce0592bSLeon Romanovsky flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; 255137518fa4SLeon Romanovsky 255237518fa4SLeon Romanovsky switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 25532fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 25547aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCI; 25552fdddbd5SLeon Romanovsky break; 25562fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 25577aede1a2SLeon Romanovsky qp->type = MLX5_IB_QPT_DCT; 255837518fa4SLeon Romanovsky break; 25597aede1a2SLeon Romanovsky default: 25607aede1a2SLeon Romanovsky if (qp->type != IB_QPT_DRIVER) 25617aede1a2SLeon Romanovsky break; 25627aede1a2SLeon Romanovsky /* 25637aede1a2SLeon Romanovsky * It is IB_QPT_DRIVER and or no subtype or 25647aede1a2SLeon Romanovsky * wrong subtype were provided. 25657aede1a2SLeon Romanovsky */ 256637518fa4SLeon Romanovsky return -EINVAL; 25677aede1a2SLeon Romanovsky } 256837518fa4SLeon Romanovsky 256937518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); 257037518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); 257137518fa4SLeon Romanovsky 257237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); 257337518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, 257437518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); 257537518fa4SLeon Romanovsky 25767aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RAW_PACKET) { 257737518fa4SLeon Romanovsky cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || 257837518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || 257937518fa4SLeon Romanovsky MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); 258037518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, 258137518fa4SLeon Romanovsky cond, qp); 258237518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 258337518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, 258437518fa4SLeon Romanovsky qp); 258537518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 258637518fa4SLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, 258737518fa4SLeon Romanovsky qp); 258837518fa4SLeon Romanovsky } 258937518fa4SLeon Romanovsky 25907aede1a2SLeon Romanovsky if (qp->type == IB_QPT_RC) 259137518fa4SLeon Romanovsky process_vendor_flag(dev, &flags, 259237518fa4SLeon Romanovsky MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, 259337518fa4SLeon Romanovsky MLX5_CAP_GEN(mdev, qp_packet_based), qp); 259437518fa4SLeon Romanovsky 259576883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); 259676883a6cSLeon Romanovsky process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); 259776883a6cSLeon Romanovsky 25985d6fffedSLeon Romanovsky cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 25995d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 26005d6fffedSLeon Romanovsky MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); 26015d6fffedSLeon Romanovsky if (attr->rwq_ind_tbl && cond) { 26025d6fffedSLeon Romanovsky mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", 26035d6fffedSLeon Romanovsky cond); 26045d6fffedSLeon Romanovsky return -EINVAL; 26055d6fffedSLeon Romanovsky } 26065d6fffedSLeon Romanovsky 260737518fa4SLeon Romanovsky if (flags) 260837518fa4SLeon Romanovsky mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); 260937518fa4SLeon Romanovsky 261037518fa4SLeon Romanovsky return (flags) ? -EINVAL : 0; 26112fdddbd5SLeon Romanovsky } 26122fdddbd5SLeon Romanovsky 26132978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 26142978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26152978975cSLeon Romanovsky { 26162978975cSLeon Romanovsky if (!(*flags & flag)) 26172978975cSLeon Romanovsky return; 26182978975cSLeon Romanovsky 26192978975cSLeon Romanovsky if (cond) { 26202978975cSLeon Romanovsky qp->flags |= flag; 26212978975cSLeon Romanovsky *flags &= ~flag; 26222978975cSLeon Romanovsky return; 26232978975cSLeon Romanovsky } 26242978975cSLeon Romanovsky 26252978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26262978975cSLeon Romanovsky /* 26272978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26282978975cSLeon Romanovsky * just different in-kernel flow. 26292978975cSLeon Romanovsky */ 26302978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26312978975cSLeon Romanovsky return; 26322978975cSLeon Romanovsky } 26332978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 26342978975cSLeon Romanovsky } 26352978975cSLeon Romanovsky 26362978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26372978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 26382978975cSLeon Romanovsky { 26397aede1a2SLeon Romanovsky enum ib_qp_type qp_type = qp->type; 26402978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 26412978975cSLeon Romanovsky int create_flags = attr->create_flags; 26422978975cSLeon Romanovsky bool cond; 26432978975cSLeon Romanovsky 26447aede1a2SLeon Romanovsky if (qp_type == MLX5_IB_QPT_DCT) 26452978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26462978975cSLeon Romanovsky 26472978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 26482978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26492978975cSLeon Romanovsky 26502978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26512978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 26522978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 26532978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 26542978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26552978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 26562978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26572978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 26582978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26592978975cSLeon Romanovsky 26602978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 26612978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26622978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 26632978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 26642978975cSLeon Romanovsky qp); 26652978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 26662978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 26672978975cSLeon Romanovsky cond, qp); 26682978975cSLeon Romanovsky } 26692978975cSLeon Romanovsky 26702978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 26712978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26722978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 26732978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26742978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 26752978975cSLeon Romanovsky 26762978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26772978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 26782978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26792978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 26802978975cSLeon Romanovsky } 26812978975cSLeon Romanovsky 26822978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26832978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 26842978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 26852978975cSLeon Romanovsky 26862978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 26872978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 26882978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 26892978975cSLeon Romanovsky true, qp); 26902978975cSLeon Romanovsky 26912978975cSLeon Romanovsky if (create_flags) 26922978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 26932978975cSLeon Romanovsky create_flags); 26942978975cSLeon Romanovsky 26952978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26962978975cSLeon Romanovsky } 26972978975cSLeon Romanovsky 26986f2cf76eSLeon Romanovsky static int process_udata_size(struct mlx5_ib_dev *dev, 26996f2cf76eSLeon Romanovsky struct mlx5_create_qp_params *params) 27002fdddbd5SLeon Romanovsky { 27012fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27026f2cf76eSLeon Romanovsky struct ib_qp_init_attr *attr = params->attr; 27036f2cf76eSLeon Romanovsky struct ib_udata *udata = params->udata; 27046f2cf76eSLeon Romanovsky size_t outlen = udata->outlen; 27055ce0592bSLeon Romanovsky size_t inlen = udata->inlen; 27062fdddbd5SLeon Romanovsky 27076f2cf76eSLeon Romanovsky params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); 27086f2cf76eSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER) { 27096f2cf76eSLeon Romanovsky params->inlen = (inlen < ucmd) ? 0 : ucmd; 27106f2cf76eSLeon Romanovsky goto out; 27116f2cf76eSLeon Romanovsky } 27122dfac92dSLeon Romanovsky 27136f2cf76eSLeon Romanovsky if (!params->is_rss_raw) { 27146f2cf76eSLeon Romanovsky params->inlen = ucmd; 27156f2cf76eSLeon Romanovsky goto out; 27166f2cf76eSLeon Romanovsky } 27175ce0592bSLeon Romanovsky 27186f2cf76eSLeon Romanovsky /* RSS RAW QP */ 27195ce0592bSLeon Romanovsky if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) 27206f2cf76eSLeon Romanovsky return -EINVAL; 27216f2cf76eSLeon Romanovsky 27226f2cf76eSLeon Romanovsky if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) 27236f2cf76eSLeon Romanovsky return -EINVAL; 27245ce0592bSLeon Romanovsky 27255ce0592bSLeon Romanovsky ucmd = sizeof(struct mlx5_ib_create_qp_rss); 27265ce0592bSLeon Romanovsky if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) 27276f2cf76eSLeon Romanovsky return -EINVAL; 27285ce0592bSLeon Romanovsky 27296f2cf76eSLeon Romanovsky params->inlen = min(ucmd, inlen); 27306f2cf76eSLeon Romanovsky out: 27316f2cf76eSLeon Romanovsky if (!params->inlen) 27326f2cf76eSLeon Romanovsky mlx5_ib_dbg(dev, "udata is too small or not cleared\n"); 27336f2cf76eSLeon Romanovsky 27346f2cf76eSLeon Romanovsky return (params->inlen) ? 0 : -EINVAL; 27352fdddbd5SLeon Romanovsky } 27362fdddbd5SLeon Romanovsky 2737968f0b6fSLeon Romanovsky static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2738f78d358cSLeon Romanovsky struct mlx5_ib_qp *qp, 2739f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 27405d0dc3d9SLeon Romanovsky { 2741968f0b6fSLeon Romanovsky int err; 27425d0dc3d9SLeon Romanovsky 2743968f0b6fSLeon Romanovsky if (params->is_rss_raw) { 2744968f0b6fSLeon Romanovsky err = create_rss_raw_qp_tir(dev, pd, qp, params); 2745968f0b6fSLeon Romanovsky goto out; 2746968f0b6fSLeon Romanovsky } 2747968f0b6fSLeon Romanovsky 2748968f0b6fSLeon Romanovsky if (qp->type == MLX5_IB_QPT_DCT) { 2749968f0b6fSLeon Romanovsky err = create_dct(pd, qp, params); 2750968f0b6fSLeon Romanovsky goto out; 2751968f0b6fSLeon Romanovsky } 2752968f0b6fSLeon Romanovsky 2753968f0b6fSLeon Romanovsky if (qp->type == IB_QPT_XRC_TGT) { 2754968f0b6fSLeon Romanovsky err = create_xrc_tgt_qp(dev, qp, params); 2755968f0b6fSLeon Romanovsky goto out; 2756968f0b6fSLeon Romanovsky } 2757968f0b6fSLeon Romanovsky 2758968f0b6fSLeon Romanovsky if (params->udata) 2759968f0b6fSLeon Romanovsky err = create_user_qp(dev, pd, qp, params); 2760968f0b6fSLeon Romanovsky else 2761968f0b6fSLeon Romanovsky err = create_kernel_qp(dev, pd, qp, params); 2762968f0b6fSLeon Romanovsky 2763968f0b6fSLeon Romanovsky out: 2764968f0b6fSLeon Romanovsky if (err) { 2765968f0b6fSLeon Romanovsky mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); 2766968f0b6fSLeon Romanovsky return err; 2767968f0b6fSLeon Romanovsky } 2768968f0b6fSLeon Romanovsky 2769968f0b6fSLeon Romanovsky if (is_qp0(qp->type)) 2770968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 0; 2771968f0b6fSLeon Romanovsky else if (is_qp1(qp->type)) 2772968f0b6fSLeon Romanovsky qp->ibqp.qp_num = 1; 2773968f0b6fSLeon Romanovsky else 2774968f0b6fSLeon Romanovsky qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2775968f0b6fSLeon Romanovsky 2776968f0b6fSLeon Romanovsky mlx5_ib_dbg(dev, 2777968f0b6fSLeon Romanovsky "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 2778968f0b6fSLeon Romanovsky qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2779968f0b6fSLeon Romanovsky params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : 2780968f0b6fSLeon Romanovsky -1, 2781968f0b6fSLeon Romanovsky params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : 2782968f0b6fSLeon Romanovsky -1); 2783968f0b6fSLeon Romanovsky 2784968f0b6fSLeon Romanovsky return 0; 27855d0dc3d9SLeon Romanovsky } 27865d0dc3d9SLeon Romanovsky 27877aede1a2SLeon Romanovsky static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 27887aede1a2SLeon Romanovsky struct ib_qp_init_attr *attr) 27897aede1a2SLeon Romanovsky { 27907aede1a2SLeon Romanovsky int ret = 0; 27917aede1a2SLeon Romanovsky 27927aede1a2SLeon Romanovsky switch (qp->type) { 27937aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCT: 27947aede1a2SLeon Romanovsky ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; 27957aede1a2SLeon Romanovsky break; 27967aede1a2SLeon Romanovsky case MLX5_IB_QPT_DCI: 27977aede1a2SLeon Romanovsky ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? 27987aede1a2SLeon Romanovsky -EINVAL : 27997aede1a2SLeon Romanovsky 0; 28007aede1a2SLeon Romanovsky break; 2801266424ebSLeon Romanovsky case IB_QPT_RAW_PACKET: 2802266424ebSLeon Romanovsky ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; 2803266424ebSLeon Romanovsky break; 28047aede1a2SLeon Romanovsky default: 28057aede1a2SLeon Romanovsky break; 28067aede1a2SLeon Romanovsky } 28077aede1a2SLeon Romanovsky 28087aede1a2SLeon Romanovsky if (ret) 28097aede1a2SLeon Romanovsky mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); 28107aede1a2SLeon Romanovsky 28117aede1a2SLeon Romanovsky return ret; 28127aede1a2SLeon Romanovsky } 28137aede1a2SLeon Romanovsky 2814f78d358cSLeon Romanovsky static int get_qp_uidx(struct mlx5_ib_qp *qp, 2815f78d358cSLeon Romanovsky struct mlx5_create_qp_params *params) 281621aad80bSLeon Romanovsky { 2817f78d358cSLeon Romanovsky struct mlx5_ib_create_qp *ucmd = params->ucmd; 2818f78d358cSLeon Romanovsky struct ib_udata *udata = params->udata; 281921aad80bSLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 282021aad80bSLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 282121aad80bSLeon Romanovsky 2822f78d358cSLeon Romanovsky if (params->is_rss_raw) 282321aad80bSLeon Romanovsky return 0; 282421aad80bSLeon Romanovsky 2825f78d358cSLeon Romanovsky return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); 282621aad80bSLeon Romanovsky } 282721aad80bSLeon Romanovsky 282808d53976SLeon Romanovsky static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 282908d53976SLeon Romanovsky { 283008d53976SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 283108d53976SLeon Romanovsky 283208d53976SLeon Romanovsky if (mqp->state == IB_QPS_RTR) { 283308d53976SLeon Romanovsky int err; 283408d53976SLeon Romanovsky 283508d53976SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 283608d53976SLeon Romanovsky if (err) { 283708d53976SLeon Romanovsky mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 283808d53976SLeon Romanovsky return err; 283908d53976SLeon Romanovsky } 284008d53976SLeon Romanovsky } 284108d53976SLeon Romanovsky 284208d53976SLeon Romanovsky kfree(mqp->dct.in); 284308d53976SLeon Romanovsky kfree(mqp); 284408d53976SLeon Romanovsky return 0; 284508d53976SLeon Romanovsky } 284608d53976SLeon Romanovsky 2847f78d358cSLeon Romanovsky struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attr, 2848e126ba97SEli Cohen struct ib_udata *udata) 2849e126ba97SEli Cohen { 2850f78d358cSLeon Romanovsky struct mlx5_create_qp_params params = {}; 2851e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2852e126ba97SEli Cohen struct mlx5_ib_qp *qp; 28537aede1a2SLeon Romanovsky enum ib_qp_type type; 2854e126ba97SEli Cohen int err; 2855e126ba97SEli Cohen 28566eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 2857f78d358cSLeon Romanovsky to_mdev(to_mxrcd(attr->xrcd)->ibxrcd.device); 28580fb2ed66Smajd@mellanox.com 2859f78d358cSLeon Romanovsky err = check_qp_type(dev, attr, &type); 28602242cc25SLeon Romanovsky if (err) 28612242cc25SLeon Romanovsky return ERR_PTR(err); 2862e126ba97SEli Cohen 2863f78d358cSLeon Romanovsky err = check_valid_flow(dev, pd, attr, udata); 2864f78d358cSLeon Romanovsky if (err) 2865f78d358cSLeon Romanovsky return ERR_PTR(err); 2866f78d358cSLeon Romanovsky 2867f78d358cSLeon Romanovsky if (attr->qp_type == IB_QPT_GSI) 2868f78d358cSLeon Romanovsky return mlx5_ib_gsi_create_qp(pd, attr); 2869f78d358cSLeon Romanovsky 2870f78d358cSLeon Romanovsky params.udata = udata; 2871f78d358cSLeon Romanovsky params.uidx = MLX5_IB_DEFAULT_UIDX; 2872f78d358cSLeon Romanovsky params.attr = attr; 2873f78d358cSLeon Romanovsky params.is_rss_raw = !!attr->rwq_ind_tbl; 28749c2ba4edSLeon Romanovsky 28755ce0592bSLeon Romanovsky if (udata) { 28766f2cf76eSLeon Romanovsky err = process_udata_size(dev, ¶ms); 28776f2cf76eSLeon Romanovsky if (err) 28786f2cf76eSLeon Romanovsky return ERR_PTR(err); 28792fdddbd5SLeon Romanovsky 2880f78d358cSLeon Romanovsky params.ucmd = kzalloc(params.inlen, GFP_KERNEL); 2881f78d358cSLeon Romanovsky if (!params.ucmd) 28825ce0592bSLeon Romanovsky return ERR_PTR(-ENOMEM); 28835ce0592bSLeon Romanovsky 2884f78d358cSLeon Romanovsky err = ib_copy_from_udata(params.ucmd, udata, params.inlen); 28852fdddbd5SLeon Romanovsky if (err) 28865ce0592bSLeon Romanovsky goto free_ucmd; 28872fdddbd5SLeon Romanovsky } 28882fdddbd5SLeon Romanovsky 28899c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 28905ce0592bSLeon Romanovsky if (!qp) { 28915ce0592bSLeon Romanovsky err = -ENOMEM; 28925ce0592bSLeon Romanovsky goto free_ucmd; 28935ce0592bSLeon Romanovsky } 28949c2ba4edSLeon Romanovsky 28957aede1a2SLeon Romanovsky qp->type = type; 289637518fa4SLeon Romanovsky if (udata) { 2897f78d358cSLeon Romanovsky err = process_vendor_flags(dev, qp, params.ucmd, attr); 2898b4aaa1f0SMoni Shoua if (err) 28999c2ba4edSLeon Romanovsky goto free_qp; 290021aad80bSLeon Romanovsky 2901f78d358cSLeon Romanovsky err = get_qp_uidx(qp, ¶ms); 290221aad80bSLeon Romanovsky if (err) 290321aad80bSLeon Romanovsky goto free_qp; 2904b4aaa1f0SMoni Shoua } 2905f78d358cSLeon Romanovsky err = process_create_flags(dev, qp, attr); 29062978975cSLeon Romanovsky if (err) 29072978975cSLeon Romanovsky goto free_qp; 2908b4aaa1f0SMoni Shoua 2909f78d358cSLeon Romanovsky err = check_qp_attr(dev, qp, attr); 29107aede1a2SLeon Romanovsky if (err) 29117aede1a2SLeon Romanovsky goto free_qp; 29127aede1a2SLeon Romanovsky 2913968f0b6fSLeon Romanovsky err = create_qp(dev, pd, qp, ¶ms); 2914968f0b6fSLeon Romanovsky if (err) 29159c2ba4edSLeon Romanovsky goto free_qp; 2916e126ba97SEli Cohen 2917f78d358cSLeon Romanovsky kfree(params.ucmd); 291808d53976SLeon Romanovsky params.ucmd = NULL; 29195ce0592bSLeon Romanovsky 292008d53976SLeon Romanovsky if (udata) 292108d53976SLeon Romanovsky /* 292208d53976SLeon Romanovsky * It is safe to copy response for all user create QP flows, 292308d53976SLeon Romanovsky * including MLX5_IB_QPT_DCT, which doesn't need it. 292408d53976SLeon Romanovsky * In that case, resp will be filled with zeros. 292508d53976SLeon Romanovsky */ 292608d53976SLeon Romanovsky err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); 292708d53976SLeon Romanovsky if (err) 292808d53976SLeon Romanovsky goto destroy_qp; 292908d53976SLeon Romanovsky 2930e126ba97SEli Cohen return &qp->ibqp; 29319c2ba4edSLeon Romanovsky 293208d53976SLeon Romanovsky destroy_qp: 293308d53976SLeon Romanovsky if (qp->type == MLX5_IB_QPT_DCT) 293408d53976SLeon Romanovsky mlx5_ib_destroy_dct(qp); 293508d53976SLeon Romanovsky else 293608d53976SLeon Romanovsky destroy_qp_common(dev, qp, udata); 293708d53976SLeon Romanovsky qp = NULL; 29389c2ba4edSLeon Romanovsky free_qp: 29399c2ba4edSLeon Romanovsky kfree(qp); 29405ce0592bSLeon Romanovsky free_ucmd: 2941f78d358cSLeon Romanovsky kfree(params.ucmd); 29429c2ba4edSLeon Romanovsky return ERR_PTR(err); 2943e126ba97SEli Cohen } 2944e126ba97SEli Cohen 2945c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2946e126ba97SEli Cohen { 2947e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2948e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2949e126ba97SEli Cohen 2950d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2951d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2952d16e91daSHaggai Eran 29537aede1a2SLeon Romanovsky if (mqp->type == MLX5_IB_QPT_DCT) 2954776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2955776a3906SMoni Shoua 2956bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2957e126ba97SEli Cohen 2958e126ba97SEli Cohen kfree(mqp); 2959e126ba97SEli Cohen 2960e126ba97SEli Cohen return 0; 2961e126ba97SEli Cohen } 2962e126ba97SEli Cohen 2963a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2964a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2965bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2966e126ba97SEli Cohen { 2967e126ba97SEli Cohen u8 dest_rd_atomic; 2968bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2969e126ba97SEli Cohen 2970a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2971a60109dcSYonatan Cohen 2972e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2973e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2974e126ba97SEli Cohen else 297519098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2976e126ba97SEli Cohen 2977e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2978e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2979e126ba97SEli Cohen else 298019098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2981e126ba97SEli Cohen 2982e126ba97SEli Cohen if (!dest_rd_atomic) 2983e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2984e126ba97SEli Cohen 2985e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2986bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 298713f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2988a60109dcSYonatan Cohen int atomic_mode; 2989e126ba97SEli Cohen 2990a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2991a60109dcSYonatan Cohen if (atomic_mode < 0) 2992a60109dcSYonatan Cohen return -EOPNOTSUPP; 2993a60109dcSYonatan Cohen 2994bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2995bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2996a60109dcSYonatan Cohen } 2997a60109dcSYonatan Cohen 2998a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2999bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 3000a60109dcSYonatan Cohen 3001bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 3002a60109dcSYonatan Cohen 3003a60109dcSYonatan Cohen return 0; 3004e126ba97SEli Cohen } 3005e126ba97SEli Cohen 3006e126ba97SEli Cohen enum { 3007e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 3008e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 3009e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 3010e126ba97SEli Cohen }; 3011e126ba97SEli Cohen 3012e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 3013e126ba97SEli Cohen { 30144f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 3015e126ba97SEli Cohen return 0; 30164f32ac2eSDanit Goldberg 3017a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 3018e126ba97SEli Cohen return -EINVAL; 30194f32ac2eSDanit Goldberg 30204f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 3021e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 3022938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 3023e126ba97SEli Cohen --rate; 3024e126ba97SEli Cohen 30254f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 3026e126ba97SEli Cohen } 3027e126ba97SEli Cohen 302875850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 30291cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 30301cd6dbd3SYishai Hadas struct ib_pd *pd) 303175850d0bSmajd@mellanox.com { 303275850d0bSmajd@mellanox.com void *in; 303375850d0bSmajd@mellanox.com void *tisc; 303475850d0bSmajd@mellanox.com int inlen; 303575850d0bSmajd@mellanox.com int err; 303675850d0bSmajd@mellanox.com 303775850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 30381b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 303975850d0bSmajd@mellanox.com if (!in) 304075850d0bSmajd@mellanox.com return -ENOMEM; 304175850d0bSmajd@mellanox.com 304275850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 30431cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 304475850d0bSmajd@mellanox.com 304575850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 304675850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 304775850d0bSmajd@mellanox.com 3048e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 304975850d0bSmajd@mellanox.com 305075850d0bSmajd@mellanox.com kvfree(in); 305175850d0bSmajd@mellanox.com 305275850d0bSmajd@mellanox.com return err; 305375850d0bSmajd@mellanox.com } 305475850d0bSmajd@mellanox.com 305513eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 30561cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 30571cd6dbd3SYishai Hadas struct ib_pd *pd) 305813eab21fSAviv Heller { 305913eab21fSAviv Heller void *in; 306013eab21fSAviv Heller void *tisc; 306113eab21fSAviv Heller int inlen; 306213eab21fSAviv Heller int err; 306313eab21fSAviv Heller 306413eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 30651b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 306613eab21fSAviv Heller if (!in) 306713eab21fSAviv Heller return -ENOMEM; 306813eab21fSAviv Heller 306913eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 30701cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 307113eab21fSAviv Heller 307213eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 307313eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 307413eab21fSAviv Heller 3075e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 307613eab21fSAviv Heller 307713eab21fSAviv Heller kvfree(in); 307813eab21fSAviv Heller 307913eab21fSAviv Heller return err; 308013eab21fSAviv Heller } 308113eab21fSAviv Heller 30822b880b2eSMark Zhang static void mlx5_set_path_udp_sport(struct mlx5_qp_path *path, 30832b880b2eSMark Zhang const struct rdma_ah_attr *ah, 30842b880b2eSMark Zhang u32 lqpn, u32 rqpn) 30852b880b2eSMark Zhang 30862b880b2eSMark Zhang { 30872b880b2eSMark Zhang u32 fl = ah->grh.flow_label; 30882b880b2eSMark Zhang u16 sport; 30892b880b2eSMark Zhang 30902b880b2eSMark Zhang if (!fl) 30912b880b2eSMark Zhang fl = rdma_calc_flow_label(lqpn, rqpn); 30922b880b2eSMark Zhang 30932b880b2eSMark Zhang sport = rdma_flow_label_to_udp_sport(fl); 30942b880b2eSMark Zhang path->udp_sport = cpu_to_be16(sport); 30952b880b2eSMark Zhang } 30962b880b2eSMark Zhang 309775850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 309890898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 3099e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 3100f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 3101f879ee8dSAchiad Shochat bool alt) 3102e126ba97SEli Cohen { 3103d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 3104e126ba97SEli Cohen int err; 3105ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 3106d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 3107d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 3108e126ba97SEli Cohen 3109e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3110f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 3111f879ee8dSAchiad Shochat attr->pkey_index); 3112e126ba97SEli Cohen 3113d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3114d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 3115938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 3116f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 3117d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 3118938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 3119f83b4263SEli Cohen return -EINVAL; 3120f83b4263SEli Cohen } 31212811ba51SAchiad Shochat } 312244c58487SDasaratharaman Chandramouli 312344c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3124d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 31252811ba51SAchiad Shochat return -EINVAL; 312647ec3866SParav Pandit 312744c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 31282b880b2eSMark Zhang if ((qp->ibqp.qp_type == IB_QPT_RC || 31292b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 31302b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 31312b880b2eSMark Zhang qp->ibqp.qp_type == IB_QPT_XRC_TGT) && 31322b880b2eSMark Zhang (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && 31332b880b2eSMark Zhang (attr_mask & IB_QP_DEST_QPN)) 31342b880b2eSMark Zhang mlx5_set_path_udp_sport(path, ah, 31352b880b2eSMark Zhang qp->ibqp.qp_num, 31362b880b2eSMark Zhang attr->dest_qp_num); 3137d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 313847ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3139ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3140d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 31412811ba51SAchiad Shochat } else { 3142d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 3143d3ae2bdeSNoa Osherovich path->fl_free_ar |= 3144d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 3145d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 3146d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 3147d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 3148e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 3149d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 31502811ba51SAchiad Shochat } 31512811ba51SAchiad Shochat 3152d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3153d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 3154d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 3155e126ba97SEli Cohen path->tclass_flowlabel = 3156d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 3157d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 3158d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 3159e126ba97SEli Cohen } 3160e126ba97SEli Cohen 3161d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3162e126ba97SEli Cohen if (err < 0) 3163e126ba97SEli Cohen return err; 3164e126ba97SEli Cohen path->static_rate = err; 3165e126ba97SEli Cohen path->port = port; 3166e126ba97SEli Cohen 3167e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3168f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 3169e126ba97SEli Cohen 317075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 317175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 317275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 31731cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 317475850d0bSmajd@mellanox.com 3175e126ba97SEli Cohen return 0; 3176e126ba97SEli Cohen } 3177e126ba97SEli Cohen 3178e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3179e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3180e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3181e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3182e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3183e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3184e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3185cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3186cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3187e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3188e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3189cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3190cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3191e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3192e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3193e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 31948f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 31958f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31968f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31978f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 3198cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PRI_PORT | 3199cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3200e126ba97SEli Cohen }, 3201e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3202e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3203e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3204e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3205e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3206cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3207cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3208e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3209e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3210cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3211cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3212e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3213e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3214e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3215e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3216a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3217a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3218a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3219a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3220cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_PKEY_INDEX | 3221cfc1a89eSMaor Gottlieb MLX5_QP_OPTPAR_LAG_TX_AFF, 3222e126ba97SEli Cohen }, 3223e126ba97SEli Cohen }, 3224e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3225e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3226e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3227e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3228e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3229e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3230e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3231e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3232e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3233e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3234e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3235e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 32368f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 32378f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 32388f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 32398f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 32408f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 32418f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3242e126ba97SEli Cohen }, 3243e126ba97SEli Cohen }, 3244e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3245e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3246e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3247e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3248e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3249e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3250c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3251c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3252e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3253c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3254c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3255e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3256e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3257e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 32588f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 32598f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 32608f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 32618f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 32628f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 32638f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3264e126ba97SEli Cohen }, 3265e126ba97SEli Cohen }, 3266e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3267e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3268e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3269e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 327075959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3271a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3272a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3273a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3274a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 32758f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 32768f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 32778f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 32788f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3279e126ba97SEli Cohen }, 3280e126ba97SEli Cohen }, 3281e126ba97SEli Cohen }; 3282e126ba97SEli Cohen 3283e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3284e126ba97SEli Cohen { 3285e126ba97SEli Cohen switch (ib_mask) { 3286e126ba97SEli Cohen case IB_QP_STATE: 3287e126ba97SEli Cohen return 0; 3288e126ba97SEli Cohen case IB_QP_CUR_STATE: 3289e126ba97SEli Cohen return 0; 3290e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3291e126ba97SEli Cohen return 0; 3292e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3293e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3294e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3295e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3296e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3297e126ba97SEli Cohen case IB_QP_PORT: 3298e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3299e126ba97SEli Cohen case IB_QP_QKEY: 3300e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3301e126ba97SEli Cohen case IB_QP_AV: 3302e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3303e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3304e126ba97SEli Cohen case IB_QP_PATH_MTU: 3305e126ba97SEli Cohen return 0; 3306e126ba97SEli Cohen case IB_QP_TIMEOUT: 3307e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3308e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3309e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3310e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3311e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3312e126ba97SEli Cohen case IB_QP_RQ_PSN: 3313e126ba97SEli Cohen return 0; 3314e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3315e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3316e126ba97SEli Cohen case IB_QP_ALT_PATH: 3317e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3318e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3319e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3320e126ba97SEli Cohen case IB_QP_SQ_PSN: 3321e126ba97SEli Cohen return 0; 3322e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3323e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3324e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3325e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3326e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3327e126ba97SEli Cohen case IB_QP_CAP: 3328e126ba97SEli Cohen return 0; 3329e126ba97SEli Cohen case IB_QP_DEST_QPN: 3330e126ba97SEli Cohen return 0; 3331e126ba97SEli Cohen } 3332e126ba97SEli Cohen return 0; 3333e126ba97SEli Cohen } 3334e126ba97SEli Cohen 3335e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3336e126ba97SEli Cohen { 3337e126ba97SEli Cohen int result = 0; 3338e126ba97SEli Cohen int i; 3339e126ba97SEli Cohen 3340e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3341e126ba97SEli Cohen if ((1 << i) & ib_mask) 3342e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3343e126ba97SEli Cohen } 3344e126ba97SEli Cohen 3345e126ba97SEli Cohen return result; 3346e126ba97SEli Cohen } 3347e126ba97SEli Cohen 334834d57585SYishai Hadas static int modify_raw_packet_qp_rq( 334934d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 335034d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3351ad5f8e96Smajd@mellanox.com { 3352ad5f8e96Smajd@mellanox.com void *in; 3353ad5f8e96Smajd@mellanox.com void *rqc; 3354ad5f8e96Smajd@mellanox.com int inlen; 3355ad5f8e96Smajd@mellanox.com int err; 3356ad5f8e96Smajd@mellanox.com 3357ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 33581b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3359ad5f8e96Smajd@mellanox.com if (!in) 3360ad5f8e96Smajd@mellanox.com return -ENOMEM; 3361ad5f8e96Smajd@mellanox.com 3362ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 336334d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3364ad5f8e96Smajd@mellanox.com 3365ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3366ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3367ad5f8e96Smajd@mellanox.com 3368eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3369eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3370eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 337123a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3372eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3373eb49ab0cSAlex Vesker } else 33745a738b5dSJason Gunthorpe dev_info_once( 33755a738b5dSJason Gunthorpe &dev->ib_dev.dev, 33765a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3377eb49ab0cSAlex Vesker } 3378eb49ab0cSAlex Vesker 3379e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3380ad5f8e96Smajd@mellanox.com if (err) 3381ad5f8e96Smajd@mellanox.com goto out; 3382ad5f8e96Smajd@mellanox.com 3383ad5f8e96Smajd@mellanox.com rq->state = new_state; 3384ad5f8e96Smajd@mellanox.com 3385ad5f8e96Smajd@mellanox.com out: 3386ad5f8e96Smajd@mellanox.com kvfree(in); 3387ad5f8e96Smajd@mellanox.com return err; 3388ad5f8e96Smajd@mellanox.com } 3389ad5f8e96Smajd@mellanox.com 3390c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3391c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3392c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3393ad5f8e96Smajd@mellanox.com { 33947d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 339561147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 339661147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 339761147f39SBodong Wang bool new_rate_added = false; 33987d29f349SBodong Wang u16 rl_index = 0; 3399ad5f8e96Smajd@mellanox.com void *in; 3400ad5f8e96Smajd@mellanox.com void *sqc; 3401ad5f8e96Smajd@mellanox.com int inlen; 3402ad5f8e96Smajd@mellanox.com int err; 3403ad5f8e96Smajd@mellanox.com 3404ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 34051b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3406ad5f8e96Smajd@mellanox.com if (!in) 3407ad5f8e96Smajd@mellanox.com return -ENOMEM; 3408ad5f8e96Smajd@mellanox.com 3409c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3410ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3411ad5f8e96Smajd@mellanox.com 3412ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3413ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3414ad5f8e96Smajd@mellanox.com 34157d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 34167d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 34177d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 34187d29f349SBodong Wang __func__); 34197d29f349SBodong Wang else 342061147f39SBodong Wang new_rl = raw_qp_param->rl; 34217d29f349SBodong Wang } 3422ad5f8e96Smajd@mellanox.com 342361147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 342461147f39SBodong Wang if (new_rl.rate) { 342561147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 34267d29f349SBodong Wang if (err) { 342761147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 342861147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 342961147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 343061147f39SBodong Wang new_rl.typical_pkt_sz); 343161147f39SBodong Wang 34327d29f349SBodong Wang goto out; 34337d29f349SBodong Wang } 343461147f39SBodong Wang new_rate_added = true; 34357d29f349SBodong Wang } 34367d29f349SBodong Wang 34377d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 343861147f39SBodong Wang /* index 0 means no limit */ 34397d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 34407d29f349SBodong Wang } 34417d29f349SBodong Wang 3442e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 34437d29f349SBodong Wang if (err) { 34447d29f349SBodong Wang /* Remove new rate from table if failed */ 344561147f39SBodong Wang if (new_rate_added) 344661147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 34477d29f349SBodong Wang goto out; 34487d29f349SBodong Wang } 34497d29f349SBodong Wang 34507d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3451c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3452c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 345361147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3454c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3455c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3456c8973df2SRafi Wiener } 34577d29f349SBodong Wang 345861147f39SBodong Wang ibqp->rl = new_rl; 3459ad5f8e96Smajd@mellanox.com sq->state = new_state; 3460ad5f8e96Smajd@mellanox.com 3461ad5f8e96Smajd@mellanox.com out: 3462ad5f8e96Smajd@mellanox.com kvfree(in); 3463ad5f8e96Smajd@mellanox.com return err; 3464ad5f8e96Smajd@mellanox.com } 3465ad5f8e96Smajd@mellanox.com 3466ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 346713eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 346813eab21fSAviv Heller u8 tx_affinity) 3469ad5f8e96Smajd@mellanox.com { 3470ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3471ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3472ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 34737d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 34747d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3475ad5f8e96Smajd@mellanox.com int rq_state; 3476ad5f8e96Smajd@mellanox.com int sq_state; 3477ad5f8e96Smajd@mellanox.com int err; 3478ad5f8e96Smajd@mellanox.com 34790680efa2SAlex Vesker switch (raw_qp_param->operation) { 3480ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3481ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3482ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3483ad5f8e96Smajd@mellanox.com break; 3484ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3485ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3486ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3487ad5f8e96Smajd@mellanox.com break; 3488ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3489ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3490ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3491ad5f8e96Smajd@mellanox.com break; 3492ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3493ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 34947d29f349SBodong Wang if (raw_qp_param->set_mask == 34957d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 34967d29f349SBodong Wang modify_rq = 0; 34977d29f349SBodong Wang sq_state = sq->state; 34987d29f349SBodong Wang } else { 34997d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 35007d29f349SBodong Wang } 35017d29f349SBodong Wang break; 35027d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 35037d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3504eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3505eb49ab0cSAlex Vesker return -EINVAL; 3506eb49ab0cSAlex Vesker else 3507ad5f8e96Smajd@mellanox.com return 0; 3508ad5f8e96Smajd@mellanox.com default: 3509ad5f8e96Smajd@mellanox.com WARN_ON(1); 3510ad5f8e96Smajd@mellanox.com return -EINVAL; 3511ad5f8e96Smajd@mellanox.com } 3512ad5f8e96Smajd@mellanox.com 35137d29f349SBodong Wang if (modify_rq) { 351434d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 351534d57585SYishai Hadas qp->ibqp.pd); 3516ad5f8e96Smajd@mellanox.com if (err) 3517ad5f8e96Smajd@mellanox.com return err; 3518ad5f8e96Smajd@mellanox.com } 3519ad5f8e96Smajd@mellanox.com 35207d29f349SBodong Wang if (modify_sq) { 3521d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3522d5ed8ac3SMark Bloch 352313eab21fSAviv Heller if (tx_affinity) { 352413eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 35251cd6dbd3SYishai Hadas tx_affinity, 35261cd6dbd3SYishai Hadas qp->ibqp.pd); 352713eab21fSAviv Heller if (err) 352813eab21fSAviv Heller return err; 352913eab21fSAviv Heller } 353013eab21fSAviv Heller 3531d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3532d5ed8ac3SMark Bloch raw_qp_param->port); 3533d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 35341db86318SColin Ian King return PTR_ERR(flow_rule); 3535d5ed8ac3SMark Bloch 3536d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3537c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3538d5ed8ac3SMark Bloch if (err) { 3539d5ed8ac3SMark Bloch if (flow_rule) 3540d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3541d5ed8ac3SMark Bloch return err; 3542d5ed8ac3SMark Bloch } 3543d5ed8ac3SMark Bloch 3544d5ed8ac3SMark Bloch if (flow_rule) { 3545d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3546d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3547d5ed8ac3SMark Bloch } 3548d5ed8ac3SMark Bloch 3549d5ed8ac3SMark Bloch return err; 355013eab21fSAviv Heller } 3551ad5f8e96Smajd@mellanox.com 3552ad5f8e96Smajd@mellanox.com return 0; 3553ad5f8e96Smajd@mellanox.com } 3554ad5f8e96Smajd@mellanox.com 35555163b274SMaor Gottlieb static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, 35565163b274SMaor Gottlieb struct ib_udata *udata) 3557c6a21c38SMajd Dibbiny { 355889944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 355989944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 35605163b274SMaor Gottlieb u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; 35615163b274SMaor Gottlieb atomic_t *tx_port_affinity; 3562c6a21c38SMajd Dibbiny 35635163b274SMaor Gottlieb if (ucontext) 35645163b274SMaor Gottlieb tx_port_affinity = &ucontext->tx_port_affinity; 35655163b274SMaor Gottlieb else 35665163b274SMaor Gottlieb tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; 35675163b274SMaor Gottlieb 35685163b274SMaor Gottlieb return (unsigned int)atomic_add_return(1, tx_port_affinity) % 35695163b274SMaor Gottlieb MLX5_MAX_PORTS + 1; 3570c6a21c38SMajd Dibbiny } 3571c6a21c38SMajd Dibbiny 35725163b274SMaor Gottlieb static bool qp_supports_affinity(struct ib_qp *qp) 35735163b274SMaor Gottlieb { 35745163b274SMaor Gottlieb if ((qp->qp_type == IB_QPT_RC) || 3575cfc1a89eSMaor Gottlieb (qp->qp_type == IB_QPT_UD) || 35765163b274SMaor Gottlieb (qp->qp_type == IB_QPT_UC) || 35775163b274SMaor Gottlieb (qp->qp_type == IB_QPT_RAW_PACKET) || 35785163b274SMaor Gottlieb (qp->qp_type == IB_QPT_XRC_INI) || 35795163b274SMaor Gottlieb (qp->qp_type == IB_QPT_XRC_TGT)) 35805163b274SMaor Gottlieb return true; 35815163b274SMaor Gottlieb return false; 35825163b274SMaor Gottlieb } 35835163b274SMaor Gottlieb 3584cfc1a89eSMaor Gottlieb static unsigned int get_tx_affinity(struct ib_qp *qp, 3585cfc1a89eSMaor Gottlieb const struct ib_qp_attr *attr, 3586cfc1a89eSMaor Gottlieb int attr_mask, u8 init, 35875163b274SMaor Gottlieb struct ib_udata *udata) 35885163b274SMaor Gottlieb { 35895163b274SMaor Gottlieb struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 35905163b274SMaor Gottlieb udata, struct mlx5_ib_ucontext, ibucontext); 35915163b274SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(qp->device); 35925163b274SMaor Gottlieb struct mlx5_ib_qp *mqp = to_mqp(qp); 35935163b274SMaor Gottlieb struct mlx5_ib_qp_base *qp_base; 35945163b274SMaor Gottlieb unsigned int tx_affinity; 35955163b274SMaor Gottlieb 3596cfc1a89eSMaor Gottlieb if (!(dev->lag_active && qp_supports_affinity(qp))) 35975163b274SMaor Gottlieb return 0; 35985163b274SMaor Gottlieb 3599cfc1a89eSMaor Gottlieb if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3600cfc1a89eSMaor Gottlieb tx_affinity = mqp->gsi_lag_port; 3601cfc1a89eSMaor Gottlieb else if (init) 36025163b274SMaor Gottlieb tx_affinity = get_tx_affinity_rr(dev, udata); 3603cfc1a89eSMaor Gottlieb else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) 3604cfc1a89eSMaor Gottlieb tx_affinity = 3605cfc1a89eSMaor Gottlieb mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); 3606cfc1a89eSMaor Gottlieb else 3607cfc1a89eSMaor Gottlieb return 0; 36085163b274SMaor Gottlieb 36095163b274SMaor Gottlieb qp_base = &mqp->trans_qp.base; 36105163b274SMaor Gottlieb if (ucontext) 36115163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 36125163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn, ucontext); 36135163b274SMaor Gottlieb else 36145163b274SMaor Gottlieb mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 36155163b274SMaor Gottlieb tx_affinity, qp_base->mqp.qpn); 36165163b274SMaor Gottlieb return tx_affinity; 3617c6a21c38SMajd Dibbiny } 3618c6a21c38SMajd Dibbiny 3619d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3620d14133ddSMark Zhang struct rdma_counter *counter) 3621d14133ddSMark Zhang { 3622d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 3623d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3624d14133ddSMark Zhang struct mlx5_qp_context context = {}; 3625d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3626d14133ddSMark Zhang u32 set_id; 3627d14133ddSMark Zhang 36283e1f000fSParav Pandit if (counter) 3629d14133ddSMark Zhang set_id = counter->id; 36303e1f000fSParav Pandit else 36313e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3632d14133ddSMark Zhang 3633d14133ddSMark Zhang base = &mqp->trans_qp.base; 3634d14133ddSMark Zhang context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); 3635d14133ddSMark Zhang context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); 3636333fbaa0SLeon Romanovsky return mlx5_core_qp_modify(dev, MLX5_CMD_OP_RTS2RTS_QP, 3637333fbaa0SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID, &context, 3638333fbaa0SLeon Romanovsky &base->mqp); 3639d14133ddSMark Zhang } 3640d14133ddSMark Zhang 3641e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3642e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 364389944450SShamir Rabinovitch enum ib_qp_state cur_state, 364489944450SShamir Rabinovitch enum ib_qp_state new_state, 364589944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 364689944450SShamir Rabinovitch struct ib_udata *udata) 3647e126ba97SEli Cohen { 3648427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3649427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3650427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3651427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3652427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3653427c1e7bSmajd@mellanox.com }, 3654427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3655427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3656427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3657427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3658427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3659427c1e7bSmajd@mellanox.com }, 3660427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3661427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3662427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3663427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3664427c1e7bSmajd@mellanox.com }, 3665427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3666427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3667427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3668427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3669427c1e7bSmajd@mellanox.com }, 3670427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3671427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3672427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3673427c1e7bSmajd@mellanox.com }, 3674427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3675427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3676427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3677427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3678427c1e7bSmajd@mellanox.com }, 3679427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3680427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3681427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3682427c1e7bSmajd@mellanox.com } 3683427c1e7bSmajd@mellanox.com }; 3684427c1e7bSmajd@mellanox.com 3685e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3686e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 368719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3688e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3689e126ba97SEli Cohen struct mlx5_qp_context *context; 3690e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3691e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3692cfc1a89eSMaor Gottlieb enum mlx5_qp_optpar optpar = 0; 3693d14133ddSMark Zhang u32 set_id = 0; 3694e126ba97SEli Cohen int mlx5_st; 3695e126ba97SEli Cohen int err; 3696427c1e7bSmajd@mellanox.com u16 op; 369713eab21fSAviv Heller u8 tx_affinity = 0; 3698e126ba97SEli Cohen 36997aede1a2SLeon Romanovsky mlx5_st = to_mlx5_st(qp->type); 370055de9a77SLeon Romanovsky if (mlx5_st < 0) 370155de9a77SLeon Romanovsky return -EINVAL; 370255de9a77SLeon Romanovsky 37031a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 37041a412fb1SSaeed Mahameed if (!context) 3705e126ba97SEli Cohen return -ENOMEM; 3706e126ba97SEli Cohen 3707029e88fdSLeon Romanovsky pd = to_mpd(qp->ibqp.pd); 370855de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3709e126ba97SEli Cohen 3710e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3711e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3712e126ba97SEli Cohen } else { 3713e126ba97SEli Cohen switch (attr->path_mig_state) { 3714e126ba97SEli Cohen case IB_MIG_MIGRATED: 3715e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3716e126ba97SEli Cohen break; 3717e126ba97SEli Cohen case IB_MIG_REARM: 3718e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3719e126ba97SEli Cohen break; 3720e126ba97SEli Cohen case IB_MIG_ARMED: 3721e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3722e126ba97SEli Cohen break; 3723e126ba97SEli Cohen } 3724e126ba97SEli Cohen } 3725e126ba97SEli Cohen 3726cfc1a89eSMaor Gottlieb tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, 37275163b274SMaor Gottlieb cur_state == IB_QPS_RESET && 37285163b274SMaor Gottlieb new_state == IB_QPS_INIT, udata); 3729cfc1a89eSMaor Gottlieb if (tx_affinity) { 373013eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 3731cfc1a89eSMaor Gottlieb if (new_state == IB_QPS_RTR && 3732cfc1a89eSMaor Gottlieb MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) 3733cfc1a89eSMaor Gottlieb optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; 3734cfc1a89eSMaor Gottlieb } 373513eab21fSAviv Heller 3736d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3737e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3738c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 37392be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3740e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3741e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3742e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3743e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3744e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3745e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3746e126ba97SEli Cohen err = -EINVAL; 3747e126ba97SEli Cohen goto out; 3748e126ba97SEli Cohen } 3749938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3750938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3751e126ba97SEli Cohen } 3752e126ba97SEli Cohen 3753e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3754e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3755e126ba97SEli Cohen 3756e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3757d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3758e126ba97SEli Cohen 3759e126ba97SEli Cohen /* todo implement counter_index functionality */ 3760e126ba97SEli Cohen 3761e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3762e126ba97SEli Cohen context->pri_path.port = qp->port; 3763e126ba97SEli Cohen 3764e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3765e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3766e126ba97SEli Cohen 3767e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 376875850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3769e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3770f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3771e126ba97SEli Cohen if (err) 3772e126ba97SEli Cohen goto out; 3773e126ba97SEli Cohen } 3774e126ba97SEli Cohen 3775e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3776e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3777e126ba97SEli Cohen 3778e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 377975850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 378075850d0bSmajd@mellanox.com &context->alt_path, 3781f879ee8dSAchiad Shochat attr->alt_port_num, 3782f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3783f879ee8dSAchiad Shochat 0, attr, true); 3784e126ba97SEli Cohen if (err) 3785e126ba97SEli Cohen goto out; 3786e126ba97SEli Cohen } 3787e126ba97SEli Cohen 378889ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 378989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3790e126ba97SEli Cohen 3791e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3792e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3793e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3794e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3795e126ba97SEli Cohen 3796e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3797e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3798e126ba97SEli Cohen 3799e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3800e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3801e126ba97SEli Cohen 3802e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3803e126ba97SEli Cohen if (attr->max_rd_atomic) 3804e126ba97SEli Cohen context->params1 |= 3805e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3806e126ba97SEli Cohen } 3807e126ba97SEli Cohen 3808e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3809e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3810e126ba97SEli Cohen 3811e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3812e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3813e126ba97SEli Cohen context->params2 |= 3814e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3815e126ba97SEli Cohen } 3816e126ba97SEli Cohen 3817a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3818bf3b4f06SBart Van Assche __be32 access_flags; 3819a60109dcSYonatan Cohen 3820a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3821a60109dcSYonatan Cohen if (err) 3822a60109dcSYonatan Cohen goto out; 3823a60109dcSYonatan Cohen 3824a60109dcSYonatan Cohen context->params2 |= access_flags; 3825a60109dcSYonatan Cohen } 3826e126ba97SEli Cohen 3827e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3828e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3829e126ba97SEli Cohen 3830e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3831e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3832e126ba97SEli Cohen 3833e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3834e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3835e126ba97SEli Cohen 3836e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3837e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3838e126ba97SEli Cohen 38390837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 38400837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 38410837e86aSMark Bloch qp->port) - 1; 3842c2e53b2cSYishai Hadas 3843c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 38442be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 3845c2e53b2cSYishai Hadas port_num = 0; 3846c2e53b2cSYishai Hadas 3847d14133ddSMark Zhang if (ibqp->counter) 3848d14133ddSMark Zhang set_id = ibqp->counter->id; 3849d14133ddSMark Zhang else 38503e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 38510837e86aSMark Bloch context->qp_counter_set_usr_page |= 3852d14133ddSMark Zhang cpu_to_be32(set_id << 24); 38530837e86aSMark Bloch } 38540837e86aSMark Bloch 3855e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3856e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3857e126ba97SEli Cohen 38582be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3859b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3860e126ba97SEli Cohen 3861e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3862e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3863e126ba97SEli Cohen 3864427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 38655d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 38665d414b17SDan Carpenter err = -EINVAL; 3867427c1e7bSmajd@mellanox.com goto out; 38685d414b17SDan Carpenter } 3869427c1e7bSmajd@mellanox.com 3870427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3871cfc1a89eSMaor Gottlieb optpar |= ib_mask_to_mlx5_opt(attr_mask); 3872e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3873ad5f8e96Smajd@mellanox.com 3874c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 38752be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 38760680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 38770680efa2SAlex Vesker 38780680efa2SAlex Vesker raw_qp_param.operation = op; 3879eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3880d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3881eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3882eb49ab0cSAlex Vesker } 38837d29f349SBodong Wang 3884d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3885d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3886d5ed8ac3SMark Bloch 38877d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 388861147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 388961147f39SBodong Wang 389061147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 389161147f39SBodong Wang if (attr->rate_limit && 389261147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 389361147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 389461147f39SBodong Wang ucmd->burst_info.max_burst_sz; 389561147f39SBodong Wang } else { 389661147f39SBodong Wang err = -EINVAL; 389761147f39SBodong Wang goto out; 389861147f39SBodong Wang } 389961147f39SBodong Wang } 390061147f39SBodong Wang 390161147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 390261147f39SBodong Wang if (attr->rate_limit && 390361147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 390461147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 390561147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 390661147f39SBodong Wang } else { 390761147f39SBodong Wang err = -EINVAL; 390861147f39SBodong Wang goto out; 390961147f39SBodong Wang } 391061147f39SBodong Wang } 391161147f39SBodong Wang 39127d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 39137d29f349SBodong Wang } 39147d29f349SBodong Wang 391513eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 39160680efa2SAlex Vesker } else { 3917333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, context, &base->mqp); 39180680efa2SAlex Vesker } 39190680efa2SAlex Vesker 3920e126ba97SEli Cohen if (err) 3921e126ba97SEli Cohen goto out; 3922e126ba97SEli Cohen 3923e126ba97SEli Cohen qp->state = new_state; 3924e126ba97SEli Cohen 3925e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 392619098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3927e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 392819098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3929e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3930e126ba97SEli Cohen qp->port = attr->port_num; 3931e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 393219098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3933e126ba97SEli Cohen 3934e126ba97SEli Cohen /* 3935e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3936e126ba97SEli Cohen * entries and reinitialize the QP. 3937e126ba97SEli Cohen */ 393875a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 393975a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 394019098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3941e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3942e126ba97SEli Cohen if (send_cq != recv_cq) 394319098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3944e126ba97SEli Cohen 3945e126ba97SEli Cohen qp->rq.head = 0; 3946e126ba97SEli Cohen qp->rq.tail = 0; 3947e126ba97SEli Cohen qp->sq.head = 0; 3948e126ba97SEli Cohen qp->sq.tail = 0; 3949e126ba97SEli Cohen qp->sq.cur_post = 0; 395034f4c955SGuy Levi if (qp->sq.wqe_cnt) 395134f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3952950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 3953e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3954e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3955e126ba97SEli Cohen } 3956e126ba97SEli Cohen 3957d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 3958d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 3959d14133ddSMark Zhang if (!err) 3960d14133ddSMark Zhang qp->counter_pending = 0; 3961d14133ddSMark Zhang } 3962d14133ddSMark Zhang 3963e126ba97SEli Cohen out: 39641a412fb1SSaeed Mahameed kfree(context); 3965e126ba97SEli Cohen return err; 3966e126ba97SEli Cohen } 3967e126ba97SEli Cohen 3968c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3969c32a4f29SMoni Shoua { 3970c32a4f29SMoni Shoua if ((mask & req) != req) 3971c32a4f29SMoni Shoua return false; 3972c32a4f29SMoni Shoua 3973c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3974c32a4f29SMoni Shoua return false; 3975c32a4f29SMoni Shoua 3976c32a4f29SMoni Shoua return true; 3977c32a4f29SMoni Shoua } 3978c32a4f29SMoni Shoua 3979c32a4f29SMoni Shoua /* check valid transition for driver QP types 3980c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3981c32a4f29SMoni Shoua */ 3982c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3983c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3984c32a4f29SMoni Shoua { 3985c32a4f29SMoni Shoua int req = IB_QP_STATE; 3986c32a4f29SMoni Shoua int opt = 0; 3987c32a4f29SMoni Shoua 398899ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 398999ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 399099ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3991c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3992c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3993c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3994c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3995c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3996c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3997c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 39985ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3999c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4000c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 4001c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 4002c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 4003c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4004c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4005c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 4006c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 4007c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4008c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 4009c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 4010c32a4f29SMoni Shoua } 4011c32a4f29SMoni Shoua return false; 4012c32a4f29SMoni Shoua } 4013c32a4f29SMoni Shoua 4014776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 4015776a3906SMoni Shoua * valid transitions are: 4016776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 4017776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 4018776a3906SMoni Shoua * mtu, gid_index and hop_limit 4019776a3906SMoni Shoua * Other transitions and attributes are illegal 4020776a3906SMoni Shoua */ 4021776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4022776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 4023776a3906SMoni Shoua { 4024776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 4025776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4026776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 4027776a3906SMoni Shoua int err = 0; 4028776a3906SMoni Shoua int required = IB_QP_STATE; 4029776a3906SMoni Shoua void *dctc; 4030776a3906SMoni Shoua 4031776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 4032776a3906SMoni Shoua return -EINVAL; 4033776a3906SMoni Shoua 4034776a3906SMoni Shoua cur_state = qp->state; 4035776a3906SMoni Shoua new_state = attr->qp_state; 4036776a3906SMoni Shoua 4037776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 4038776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 40393e1f000fSParav Pandit u16 set_id; 40403e1f000fSParav Pandit 4041776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 4042776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4043776a3906SMoni Shoua return -EINVAL; 4044776a3906SMoni Shoua 4045776a3906SMoni Shoua if (attr->port_num == 0 || 4046776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 4047776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4048776a3906SMoni Shoua attr->port_num, dev->num_ports); 4049776a3906SMoni Shoua return -EINVAL; 4050776a3906SMoni Shoua } 4051776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 4052776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 4053776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 4054776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 4055776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 4056a60109dcSYonatan Cohen int atomic_mode; 4057a60109dcSYonatan Cohen 4058a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 4059a60109dcSYonatan Cohen if (atomic_mode < 0) 4060776a3906SMoni Shoua return -EOPNOTSUPP; 4061a60109dcSYonatan Cohen 4062a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 4063776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 4064776a3906SMoni Shoua } 4065776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 4066776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 40673e1f000fSParav Pandit 40683e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 40693e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 4070776a3906SMoni Shoua 4071776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 4072776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 4073c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 4074776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 4075776a3906SMoni Shoua sizeof(resp.dctn); 4076776a3906SMoni Shoua 4077776a3906SMoni Shoua if (udata->outlen < min_resp_len) 4078776a3906SMoni Shoua return -EINVAL; 4079776a3906SMoni Shoua resp.response_length = min_resp_len; 4080776a3906SMoni Shoua 4081776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 4082776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 4083776a3906SMoni Shoua return -EINVAL; 4084776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 4085776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 4086776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 4087776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 4088776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 4089776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 4090776a3906SMoni Shoua 4091333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 4092c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 4093c5ae1954SYishai Hadas sizeof(out)); 4094776a3906SMoni Shoua if (err) 4095776a3906SMoni Shoua return err; 4096776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 4097776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 4098776a3906SMoni Shoua if (err) { 4099333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 4100776a3906SMoni Shoua return err; 4101776a3906SMoni Shoua } 4102776a3906SMoni Shoua } else { 4103776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 4104776a3906SMoni Shoua return -EINVAL; 4105776a3906SMoni Shoua } 4106776a3906SMoni Shoua if (err) 4107776a3906SMoni Shoua qp->state = IB_QPS_ERR; 4108776a3906SMoni Shoua else 4109776a3906SMoni Shoua qp->state = new_state; 4110776a3906SMoni Shoua return err; 4111776a3906SMoni Shoua } 4112776a3906SMoni Shoua 4113e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 4114e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 4115e126ba97SEli Cohen { 4116e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 4117e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 411861147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 4119d16e91daSHaggai Eran enum ib_qp_type qp_type; 4120e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 412161147f39SBodong Wang size_t required_cmd_sz; 4122e126ba97SEli Cohen int err = -EINVAL; 4123e126ba97SEli Cohen int port; 4124e126ba97SEli Cohen 412528d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 412628d61370SYishai Hadas return -ENOSYS; 412728d61370SYishai Hadas 412861147f39SBodong Wang if (udata && udata->inlen) { 412961147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 413061147f39SBodong Wang sizeof(ucmd.reserved); 413161147f39SBodong Wang if (udata->inlen < required_cmd_sz) 413261147f39SBodong Wang return -EINVAL; 413361147f39SBodong Wang 413461147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 413561147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 413661147f39SBodong Wang udata->inlen - sizeof(ucmd))) 413761147f39SBodong Wang return -EOPNOTSUPP; 413861147f39SBodong Wang 413961147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 414061147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 414161147f39SBodong Wang return -EFAULT; 414261147f39SBodong Wang 414361147f39SBodong Wang if (ucmd.comp_mask || 414461147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 414561147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 414661147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 414761147f39SBodong Wang return -EOPNOTSUPP; 414861147f39SBodong Wang } 414961147f39SBodong Wang 4150d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4151d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 4152d16e91daSHaggai Eran 41537aede1a2SLeon Romanovsky qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? IB_QPT_GSI : 41547aede1a2SLeon Romanovsky qp->type; 4155d16e91daSHaggai Eran 4156776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 4157776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 4158c32a4f29SMoni Shoua 4159e126ba97SEli Cohen mutex_lock(&qp->mutex); 4160e126ba97SEli Cohen 4161e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4162e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4163e126ba97SEli Cohen 41642811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 41652811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 41662811ba51SAchiad Shochat } 41672811ba51SAchiad Shochat 41682be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4169c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4170c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4171c2e53b2cSYishai Hadas attr_mask); 4172c2e53b2cSYishai Hadas goto out; 4173c2e53b2cSYishai Hadas } 4174c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4175c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4176d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4177d31131bbSKamal Heib attr_mask)) { 4178158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4179158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4180e126ba97SEli Cohen goto out; 4181c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4182c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4183c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4184c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4185c32a4f29SMoni Shoua goto out; 4186158abf86SHaggai Eran } 4187e126ba97SEli Cohen 4188e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4189938fe83cSSaeed Mahameed (attr->port_num == 0 || 4190508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4191158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4192158abf86SHaggai Eran attr->port_num, dev->num_ports); 4193e126ba97SEli Cohen goto out; 4194158abf86SHaggai Eran } 4195e126ba97SEli Cohen 4196e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4197e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4198938fe83cSSaeed Mahameed if (attr->pkey_index >= 4199158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4200158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4201158abf86SHaggai Eran attr->pkey_index); 4202e126ba97SEli Cohen goto out; 4203e126ba97SEli Cohen } 4204158abf86SHaggai Eran } 4205e126ba97SEli Cohen 4206e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4207938fe83cSSaeed Mahameed attr->max_rd_atomic > 4208158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4209158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4210158abf86SHaggai Eran attr->max_rd_atomic); 4211e126ba97SEli Cohen goto out; 4212158abf86SHaggai Eran } 4213e126ba97SEli Cohen 4214e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4215938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4216158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4217158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4218158abf86SHaggai Eran attr->max_dest_rd_atomic); 4219e126ba97SEli Cohen goto out; 4220158abf86SHaggai Eran } 4221e126ba97SEli Cohen 4222e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4223e126ba97SEli Cohen err = 0; 4224e126ba97SEli Cohen goto out; 4225e126ba97SEli Cohen } 4226e126ba97SEli Cohen 422761147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 422889944450SShamir Rabinovitch new_state, &ucmd, udata); 4229e126ba97SEli Cohen 4230e126ba97SEli Cohen out: 4231e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4232e126ba97SEli Cohen return err; 4233e126ba97SEli Cohen } 4234e126ba97SEli Cohen 4235e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4236e126ba97SEli Cohen { 4237e126ba97SEli Cohen switch (mlx5_state) { 4238e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4239e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4240e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4241e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4242e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4243e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4244e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4245e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4246e126ba97SEli Cohen default: return -1; 4247e126ba97SEli Cohen } 4248e126ba97SEli Cohen } 4249e126ba97SEli Cohen 4250e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4251e126ba97SEli Cohen { 4252e126ba97SEli Cohen switch (mlx5_mig_state) { 4253e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4254e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4255e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4256e126ba97SEli Cohen default: return -1; 4257e126ba97SEli Cohen } 4258e126ba97SEli Cohen } 4259e126ba97SEli Cohen 4260e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4261e126ba97SEli Cohen { 4262e126ba97SEli Cohen int ib_flags = 0; 4263e126ba97SEli Cohen 4264e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4265e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4266e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4267e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4268e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4269e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4270e126ba97SEli Cohen 4271e126ba97SEli Cohen return ib_flags; 4272e126ba97SEli Cohen } 4273e126ba97SEli Cohen 427438349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 4275d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 4276e126ba97SEli Cohen struct mlx5_qp_path *path) 4277e126ba97SEli Cohen { 4278e126ba97SEli Cohen 4279d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4280e126ba97SEli Cohen 4281e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 4282e126ba97SEli Cohen return; 4283e126ba97SEli Cohen 4284ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 4285ae59c3f0SLeon Romanovsky 4286d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4287d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 4288e126ba97SEli Cohen 4289d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 4290d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 4291d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 4292d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 4293d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 4294d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 4295d8966fcdSDasaratharaman Chandramouli 4296d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 4297d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 4298d8966fcdSDasaratharaman Chandramouli path->mgid_index, 4299d8966fcdSDasaratharaman Chandramouli path->hop_limit, 4300d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 4301d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 4302e126ba97SEli Cohen } 4303e126ba97SEli Cohen } 4304e126ba97SEli Cohen 43056d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43066d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 43076d2f89dfSmajd@mellanox.com u8 *sq_state) 4308e126ba97SEli Cohen { 43096d2f89dfSmajd@mellanox.com int err; 43106d2f89dfSmajd@mellanox.com 431128160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 43126d2f89dfSmajd@mellanox.com if (err) 43136d2f89dfSmajd@mellanox.com goto out; 43146d2f89dfSmajd@mellanox.com sq->state = *sq_state; 43156d2f89dfSmajd@mellanox.com 43166d2f89dfSmajd@mellanox.com out: 43176d2f89dfSmajd@mellanox.com return err; 43186d2f89dfSmajd@mellanox.com } 43196d2f89dfSmajd@mellanox.com 43206d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 43216d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 43226d2f89dfSmajd@mellanox.com u8 *rq_state) 43236d2f89dfSmajd@mellanox.com { 43246d2f89dfSmajd@mellanox.com void *out; 43256d2f89dfSmajd@mellanox.com void *rqc; 43266d2f89dfSmajd@mellanox.com int inlen; 43276d2f89dfSmajd@mellanox.com int err; 43286d2f89dfSmajd@mellanox.com 43296d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 43301b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 43316d2f89dfSmajd@mellanox.com if (!out) 43326d2f89dfSmajd@mellanox.com return -ENOMEM; 43336d2f89dfSmajd@mellanox.com 43346d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 43356d2f89dfSmajd@mellanox.com if (err) 43366d2f89dfSmajd@mellanox.com goto out; 43376d2f89dfSmajd@mellanox.com 43386d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 43396d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 43406d2f89dfSmajd@mellanox.com rq->state = *rq_state; 43416d2f89dfSmajd@mellanox.com 43426d2f89dfSmajd@mellanox.com out: 43436d2f89dfSmajd@mellanox.com kvfree(out); 43446d2f89dfSmajd@mellanox.com return err; 43456d2f89dfSmajd@mellanox.com } 43466d2f89dfSmajd@mellanox.com 43476d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 43486d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 43496d2f89dfSmajd@mellanox.com { 43506d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 43516d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 43526d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 43536d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 43546d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 43556d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 43566d2f89dfSmajd@mellanox.com }, 43576d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 43586d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 43596d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 43606d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 43616d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 43626d2f89dfSmajd@mellanox.com }, 43636d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 43646d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 43656d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 43666d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 43676d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 43686d2f89dfSmajd@mellanox.com }, 43696d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 43706d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 43716d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 43726d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 43736d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 43746d2f89dfSmajd@mellanox.com }, 43756d2f89dfSmajd@mellanox.com }; 43766d2f89dfSmajd@mellanox.com 43776d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 43786d2f89dfSmajd@mellanox.com 43796d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 43806d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 43816d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 43826d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 43836d2f89dfSmajd@mellanox.com return -EINVAL; 43846d2f89dfSmajd@mellanox.com } 43856d2f89dfSmajd@mellanox.com 43866d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 43876d2f89dfSmajd@mellanox.com *qp_state = qp->state; 43886d2f89dfSmajd@mellanox.com 43896d2f89dfSmajd@mellanox.com return 0; 43906d2f89dfSmajd@mellanox.com } 43916d2f89dfSmajd@mellanox.com 43926d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 43936d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 43946d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 43956d2f89dfSmajd@mellanox.com { 43966d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 43976d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 43986d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 43996d2f89dfSmajd@mellanox.com int err; 44006d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44016d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44026d2f89dfSmajd@mellanox.com 44036d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 44046d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 44056d2f89dfSmajd@mellanox.com if (err) 44066d2f89dfSmajd@mellanox.com return err; 44076d2f89dfSmajd@mellanox.com } 44086d2f89dfSmajd@mellanox.com 44096d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 44106d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 44116d2f89dfSmajd@mellanox.com if (err) 44126d2f89dfSmajd@mellanox.com return err; 44136d2f89dfSmajd@mellanox.com } 44146d2f89dfSmajd@mellanox.com 44156d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 44166d2f89dfSmajd@mellanox.com raw_packet_qp_state); 44176d2f89dfSmajd@mellanox.com } 44186d2f89dfSmajd@mellanox.com 44196d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 44206d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 44216d2f89dfSmajd@mellanox.com { 442209a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4423e126ba97SEli Cohen struct mlx5_qp_context *context; 4424e126ba97SEli Cohen int mlx5_state; 442509a7d9ecSSaeed Mahameed u32 *outb; 4426e126ba97SEli Cohen int err = 0; 4427e126ba97SEli Cohen 442809a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 44296d2f89dfSmajd@mellanox.com if (!outb) 44306d2f89dfSmajd@mellanox.com return -ENOMEM; 44316d2f89dfSmajd@mellanox.com 4432333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 4433e126ba97SEli Cohen if (err) 44346d2f89dfSmajd@mellanox.com goto out; 4435e126ba97SEli Cohen 443609a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 443709a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 443809a7d9ecSSaeed Mahameed 4439e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4440e126ba97SEli Cohen 4441e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4442e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4443e126ba97SEli Cohen qp_attr->path_mig_state = 4444e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4445e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4446e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4447e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4448e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4449e126ba97SEli Cohen qp_attr->qp_access_flags = 4450e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4451e126ba97SEli Cohen 4452e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 445338349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 445438349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4455d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4456d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4457d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 4458d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 4459e126ba97SEli Cohen } 4460e126ba97SEli Cohen 4461d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4462e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4463e126ba97SEli Cohen 4464e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4465e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4466e126ba97SEli Cohen 4467e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4468e126ba97SEli Cohen 4469e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4470e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4471e126ba97SEli Cohen qp_attr->min_rnr_timer = 4472e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4473e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4474e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4475e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4476e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 44776d2f89dfSmajd@mellanox.com 44786d2f89dfSmajd@mellanox.com out: 44796d2f89dfSmajd@mellanox.com kfree(outb); 44806d2f89dfSmajd@mellanox.com return err; 44816d2f89dfSmajd@mellanox.com } 44826d2f89dfSmajd@mellanox.com 4483776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 4484776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 4485776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 4486776a3906SMoni Shoua { 4487776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 4488776a3906SMoni Shoua u32 *out; 4489776a3906SMoni Shoua u32 access_flags = 0; 4490776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 4491776a3906SMoni Shoua void *dctc; 4492776a3906SMoni Shoua int err; 4493776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 4494776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 4495776a3906SMoni Shoua IB_QP_PORT | 4496776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 4497776a3906SMoni Shoua IB_QP_AV | 4498776a3906SMoni Shoua IB_QP_PATH_MTU | 4499776a3906SMoni Shoua IB_QP_PKEY_INDEX; 4500776a3906SMoni Shoua 4501776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 4502776a3906SMoni Shoua return -EINVAL; 4503776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 4504776a3906SMoni Shoua return -EINVAL; 4505776a3906SMoni Shoua 4506776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 4507776a3906SMoni Shoua if (!out) 4508776a3906SMoni Shoua return -ENOMEM; 4509776a3906SMoni Shoua 4510333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 4511776a3906SMoni Shoua if (err) 4512776a3906SMoni Shoua goto out; 4513776a3906SMoni Shoua 4514776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 4515776a3906SMoni Shoua 4516776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 4517776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 4518776a3906SMoni Shoua 4519776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 4520776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 4521776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 4522776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 4523776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 4524776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 4525776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 4526776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 4527776a3906SMoni Shoua } 4528776a3906SMoni Shoua 4529776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 4530776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 4531776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 4532776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 4533776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 4534776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 4535776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 4536776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 4537776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 4538776a3906SMoni Shoua } 4539776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 4540776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 4541776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 4542776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 4543776a3906SMoni Shoua out: 4544776a3906SMoni Shoua kfree(out); 4545776a3906SMoni Shoua return err; 4546776a3906SMoni Shoua } 4547776a3906SMoni Shoua 45486d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 45496d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 45506d2f89dfSmajd@mellanox.com { 45516d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 45526d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 45536d2f89dfSmajd@mellanox.com int err = 0; 45546d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 45556d2f89dfSmajd@mellanox.com 455628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 455728d61370SYishai Hadas return -ENOSYS; 455828d61370SYishai Hadas 4559d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4560d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4561d16e91daSHaggai Eran qp_init_attr); 4562d16e91daSHaggai Eran 4563c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4564c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4565c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4566c2e53b2cSYishai Hadas 45677aede1a2SLeon Romanovsky if (unlikely(qp->type == MLX5_IB_QPT_DCT)) 4568776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 4569776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 4570776a3906SMoni Shoua 45716d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 45726d2f89dfSmajd@mellanox.com 4573c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 45742be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 45756d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 45766d2f89dfSmajd@mellanox.com if (err) 45776d2f89dfSmajd@mellanox.com goto out; 45786d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 45796d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 45806d2f89dfSmajd@mellanox.com } else { 45816d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 45826d2f89dfSmajd@mellanox.com if (err) 45836d2f89dfSmajd@mellanox.com goto out; 45846d2f89dfSmajd@mellanox.com } 45856d2f89dfSmajd@mellanox.com 45866d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4587e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4588e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4589e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4590e126ba97SEli Cohen 4591e126ba97SEli Cohen if (!ibqp->uobject) { 45920540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4593e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 45940540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4595e126ba97SEli Cohen } else { 4596e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4597e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4598e126ba97SEli Cohen } 4599e126ba97SEli Cohen 46000540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46010540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46020540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46030540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46040540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4605e126ba97SEli Cohen 4606e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4607e126ba97SEli Cohen 4608a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 4609051f2630SLeon Romanovsky 4610e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4611e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4612e126ba97SEli Cohen 4613e126ba97SEli Cohen out: 4614e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4615e126ba97SEli Cohen return err; 4616e126ba97SEli Cohen } 4617e126ba97SEli Cohen 4618e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4619e126ba97SEli Cohen struct ib_udata *udata) 4620e126ba97SEli Cohen { 4621e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4622e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4623e126ba97SEli Cohen int err; 4624e126ba97SEli Cohen 4625938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4626e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4627e126ba97SEli Cohen 4628e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4629e126ba97SEli Cohen if (!xrcd) 4630e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4631e126ba97SEli Cohen 46325aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 4633e126ba97SEli Cohen if (err) { 4634e126ba97SEli Cohen kfree(xrcd); 4635e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4636e126ba97SEli Cohen } 4637e126ba97SEli Cohen 4638e126ba97SEli Cohen return &xrcd->ibxrcd; 4639e126ba97SEli Cohen } 4640e126ba97SEli Cohen 4641c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 4642e126ba97SEli Cohen { 4643e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4644e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4645e126ba97SEli Cohen int err; 4646e126ba97SEli Cohen 46475aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 4648b081808aSLeon Romanovsky if (err) 4649e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4650e126ba97SEli Cohen 4651e126ba97SEli Cohen kfree(xrcd); 4652e126ba97SEli Cohen return 0; 4653e126ba97SEli Cohen } 465479b20a6cSYishai Hadas 4655350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4656350d0e4cSYishai Hadas { 4657350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4658350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4659350d0e4cSYishai Hadas struct ib_event event; 4660350d0e4cSYishai Hadas 4661350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4662350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4663350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4664350d0e4cSYishai Hadas switch (type) { 4665350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4666350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4667350d0e4cSYishai Hadas break; 4668350d0e4cSYishai Hadas default: 4669350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4670350d0e4cSYishai Hadas return; 4671350d0e4cSYishai Hadas } 4672350d0e4cSYishai Hadas 4673350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4674350d0e4cSYishai Hadas } 4675350d0e4cSYishai Hadas } 4676350d0e4cSYishai Hadas 467703404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 467803404e8aSMaor Gottlieb { 467903404e8aSMaor Gottlieb int err = 0; 468003404e8aSMaor Gottlieb 468103404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 468203404e8aSMaor Gottlieb if (dev->delay_drop.activate) 468303404e8aSMaor Gottlieb goto out; 468403404e8aSMaor Gottlieb 4685333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 468603404e8aSMaor Gottlieb if (err) 468703404e8aSMaor Gottlieb goto out; 468803404e8aSMaor Gottlieb 468903404e8aSMaor Gottlieb dev->delay_drop.activate = true; 469003404e8aSMaor Gottlieb out: 469103404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4692fe248c3aSMaor Gottlieb 4693fe248c3aSMaor Gottlieb if (!err) 4694fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 469503404e8aSMaor Gottlieb return err; 469603404e8aSMaor Gottlieb } 469703404e8aSMaor Gottlieb 469879b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 469979b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 470079b20a6cSYishai Hadas { 470179b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 47024be6da1eSNoa Osherovich int has_net_offloads; 470379b20a6cSYishai Hadas __be64 *rq_pas0; 470479b20a6cSYishai Hadas void *in; 470579b20a6cSYishai Hadas void *rqc; 470679b20a6cSYishai Hadas void *wq; 470779b20a6cSYishai Hadas int inlen; 470879b20a6cSYishai Hadas int err; 470979b20a6cSYishai Hadas 471079b20a6cSYishai Hadas dev = to_mdev(pd->device); 471179b20a6cSYishai Hadas 471279b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 47131b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 471479b20a6cSYishai Hadas if (!in) 471579b20a6cSYishai Hadas return -ENOMEM; 471679b20a6cSYishai Hadas 471734d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 471879b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 471979b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 472079b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 472179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 472279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 472379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 472479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 472579b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4726ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4727ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4728ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4729b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4730b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4731b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4732b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4733b1383aa6SNoa Osherovich goto out; 4734b1383aa6SNoa Osherovich } else { 473579b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4736b1383aa6SNoa Osherovich } 4737b1383aa6SNoa Osherovich } 473879b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4739ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4740c16339b6SMark Zhang /* 4741c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 4742c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 4743c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 4744c16339b6SMark Zhang * accepted as 0 to 9 4745c16339b6SMark Zhang */ 4746c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 4747c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 4748ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4749ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4750ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4751ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4752c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 4753c16339b6SMark Zhang fw_map[rwq->log_num_strides - 4754c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 4755ccc87087SNoa Osherovich } 475679b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 475779b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 475879b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 475979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 476079b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 476179b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 47624be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4763b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 47644be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4765b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4766b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4767b1f74a84SNoa Osherovich goto out; 4768b1f74a84SNoa Osherovich } 4769b1f74a84SNoa Osherovich } else { 4770b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4771b1f74a84SNoa Osherovich } 47724be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 47734be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 47744be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 47754be6da1eSNoa Osherovich err = -EOPNOTSUPP; 47764be6da1eSNoa Osherovich goto out; 47774be6da1eSNoa Osherovich } 47784be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 47794be6da1eSNoa Osherovich } 478003404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 478103404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 478203404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 478303404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 478403404e8aSMaor Gottlieb err = -EOPNOTSUPP; 478503404e8aSMaor Gottlieb goto out; 478603404e8aSMaor Gottlieb } 478703404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 478803404e8aSMaor Gottlieb } 478979b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 479079b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4791333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 479203404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 479303404e8aSMaor Gottlieb err = set_delay_drop(dev); 479403404e8aSMaor Gottlieb if (err) { 479503404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 479603404e8aSMaor Gottlieb err); 4797333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 479803404e8aSMaor Gottlieb } else { 479903404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 480003404e8aSMaor Gottlieb } 480103404e8aSMaor Gottlieb } 4802b1f74a84SNoa Osherovich out: 480379b20a6cSYishai Hadas kvfree(in); 480479b20a6cSYishai Hadas return err; 480579b20a6cSYishai Hadas } 480679b20a6cSYishai Hadas 480779b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 480879b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 480979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 481079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 481179b20a6cSYishai Hadas { 481279b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 481379b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 481479b20a6cSYishai Hadas return -EINVAL; 481579b20a6cSYishai Hadas 481679b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 481779b20a6cSYishai Hadas return -EINVAL; 481879b20a6cSYishai Hadas 481979b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 482079b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 48210dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 48220dfe4522SLeon Romanovsky return -EINVAL; 48230dfe4522SLeon Romanovsky 482479b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 482579b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 482679b20a6cSYishai Hadas return 0; 482779b20a6cSYishai Hadas } 482879b20a6cSYishai Hadas 4829c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 4830c16339b6SMark Zhang { 4831c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 4832c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4833c16339b6SMark Zhang return false; 4834c16339b6SMark Zhang 4835c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 4836c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 4837c16339b6SMark Zhang return false; 4838c16339b6SMark Zhang 4839c16339b6SMark Zhang return true; 4840c16339b6SMark Zhang } 4841c16339b6SMark Zhang 484279b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 484379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 484479b20a6cSYishai Hadas struct ib_udata *udata, 484579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 484679b20a6cSYishai Hadas { 484779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 484879b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 484979b20a6cSYishai Hadas int err; 485079b20a6cSYishai Hadas size_t required_cmd_sz; 485179b20a6cSYishai Hadas 4852ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 4853ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 485479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 485579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 485679b20a6cSYishai Hadas return -EINVAL; 485779b20a6cSYishai Hadas } 485879b20a6cSYishai Hadas 485979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 486079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 486179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 486279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 486379b20a6cSYishai Hadas return -EOPNOTSUPP; 486479b20a6cSYishai Hadas } 486579b20a6cSYishai Hadas 486679b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 486779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 486879b20a6cSYishai Hadas return -EFAULT; 486979b20a6cSYishai Hadas } 487079b20a6cSYishai Hadas 4871ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 487279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 487379b20a6cSYishai Hadas return -EOPNOTSUPP; 4874ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 4875ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 4876ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 487779b20a6cSYishai Hadas return -EOPNOTSUPP; 487879b20a6cSYishai Hadas } 4879ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 4880ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 4881ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 4882ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 4883ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 4884ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 4885ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 4886ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 4887ccc87087SNoa Osherovich return -EINVAL; 4888ccc87087SNoa Osherovich } 4889c16339b6SMark Zhang if (!log_of_strides_valid(dev, 4890c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 4891c16339b6SMark Zhang mlx5_ib_dbg( 4892c16339b6SMark Zhang dev, 4893c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 4894ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 4895c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 4896c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 4897ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 4898ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 4899ccc87087SNoa Osherovich return -EINVAL; 4900ccc87087SNoa Osherovich } 4901ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 4902ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 4903ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 4904ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 4905ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 4906ccc87087SNoa Osherovich } 490779b20a6cSYishai Hadas 490879b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 490979b20a6cSYishai Hadas if (err) { 491079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 491179b20a6cSYishai Hadas return err; 491279b20a6cSYishai Hadas } 491379b20a6cSYishai Hadas 4914b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 491579b20a6cSYishai Hadas if (err) { 491679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 491779b20a6cSYishai Hadas return err; 491879b20a6cSYishai Hadas } 491979b20a6cSYishai Hadas 492079b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 492179b20a6cSYishai Hadas return 0; 492279b20a6cSYishai Hadas } 492379b20a6cSYishai Hadas 492479b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 492579b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 492679b20a6cSYishai Hadas struct ib_udata *udata) 492779b20a6cSYishai Hadas { 492879b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 492979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 493079b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 493179b20a6cSYishai Hadas size_t min_resp_len; 493279b20a6cSYishai Hadas int err; 493379b20a6cSYishai Hadas 493479b20a6cSYishai Hadas if (!udata) 493579b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 493679b20a6cSYishai Hadas 493779b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 493879b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 493979b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 494079b20a6cSYishai Hadas 4941ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 4942ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 4943ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 4944ba80013fSMaor Gottlieb 494579b20a6cSYishai Hadas dev = to_mdev(pd->device); 494679b20a6cSYishai Hadas switch (init_attr->wq_type) { 494779b20a6cSYishai Hadas case IB_WQT_RQ: 494879b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 494979b20a6cSYishai Hadas if (!rwq) 495079b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 495179b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 495279b20a6cSYishai Hadas if (err) 495379b20a6cSYishai Hadas goto err; 495479b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 495579b20a6cSYishai Hadas if (err) 495679b20a6cSYishai Hadas goto err_user_rq; 495779b20a6cSYishai Hadas break; 495879b20a6cSYishai Hadas default: 495979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 496079b20a6cSYishai Hadas init_attr->wq_type); 496179b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 496279b20a6cSYishai Hadas } 496379b20a6cSYishai Hadas 4964350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 496579b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 496679b20a6cSYishai Hadas if (udata->outlen) { 496779b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 496879b20a6cSYishai Hadas sizeof(resp.response_length); 496979b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 497079b20a6cSYishai Hadas if (err) 497179b20a6cSYishai Hadas goto err_copy; 497279b20a6cSYishai Hadas } 497379b20a6cSYishai Hadas 4974350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 4975350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 497679b20a6cSYishai Hadas return &rwq->ibwq; 497779b20a6cSYishai Hadas 497879b20a6cSYishai Hadas err_copy: 4979333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 498079b20a6cSYishai Hadas err_user_rq: 4981bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 498279b20a6cSYishai Hadas err: 498379b20a6cSYishai Hadas kfree(rwq); 498479b20a6cSYishai Hadas return ERR_PTR(err); 498579b20a6cSYishai Hadas } 498679b20a6cSYishai Hadas 4987a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 498879b20a6cSYishai Hadas { 498979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 499079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 499179b20a6cSYishai Hadas 4992333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 4993bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 499479b20a6cSYishai Hadas kfree(rwq); 499579b20a6cSYishai Hadas } 499679b20a6cSYishai Hadas 4997c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4998c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4999c5f90929SYishai Hadas struct ib_udata *udata) 5000c5f90929SYishai Hadas { 5001c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5002c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5003c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5004c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5005c5f90929SYishai Hadas size_t min_resp_len; 5006c5f90929SYishai Hadas int inlen; 5007c5f90929SYishai Hadas int err; 5008c5f90929SYishai Hadas int i; 5009c5f90929SYishai Hadas u32 *in; 5010c5f90929SYishai Hadas void *rqtc; 5011c5f90929SYishai Hadas 5012c5f90929SYishai Hadas if (udata->inlen > 0 && 5013c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5014c5f90929SYishai Hadas udata->inlen)) 5015c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5016c5f90929SYishai Hadas 5017efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5018efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5019efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5020efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5021efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5022efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5023efd7f400SMaor Gottlieb } 5024efd7f400SMaor Gottlieb 5025c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5026c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5027c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5028c5f90929SYishai Hadas 5029c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5030c5f90929SYishai Hadas if (!rwq_ind_tbl) 5031c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5032c5f90929SYishai Hadas 5033c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 50341b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5035c5f90929SYishai Hadas if (!in) { 5036c5f90929SYishai Hadas err = -ENOMEM; 5037c5f90929SYishai Hadas goto err; 5038c5f90929SYishai Hadas } 5039c5f90929SYishai Hadas 5040c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5041c5f90929SYishai Hadas 5042c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5043c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5044c5f90929SYishai Hadas 5045c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5046c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5047c5f90929SYishai Hadas 50485deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 50495deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 50505deba86eSYishai Hadas 5051c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5052c5f90929SYishai Hadas kvfree(in); 5053c5f90929SYishai Hadas 5054c5f90929SYishai Hadas if (err) 5055c5f90929SYishai Hadas goto err; 5056c5f90929SYishai Hadas 5057c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5058c5f90929SYishai Hadas if (udata->outlen) { 5059c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5060c5f90929SYishai Hadas sizeof(resp.response_length); 5061c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5062c5f90929SYishai Hadas if (err) 5063c5f90929SYishai Hadas goto err_copy; 5064c5f90929SYishai Hadas } 5065c5f90929SYishai Hadas 5066c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5067c5f90929SYishai Hadas 5068c5f90929SYishai Hadas err_copy: 50695deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5070c5f90929SYishai Hadas err: 5071c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5072c5f90929SYishai Hadas return ERR_PTR(err); 5073c5f90929SYishai Hadas } 5074c5f90929SYishai Hadas 5075c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5076c5f90929SYishai Hadas { 5077c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5078c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5079c5f90929SYishai Hadas 50805deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5081c5f90929SYishai Hadas 5082c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5083c5f90929SYishai Hadas return 0; 5084c5f90929SYishai Hadas } 5085c5f90929SYishai Hadas 508679b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 508779b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 508879b20a6cSYishai Hadas { 508979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 509079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 509179b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 509279b20a6cSYishai Hadas size_t required_cmd_sz; 509379b20a6cSYishai Hadas int curr_wq_state; 509479b20a6cSYishai Hadas int wq_state; 509579b20a6cSYishai Hadas int inlen; 509679b20a6cSYishai Hadas int err; 509779b20a6cSYishai Hadas void *rqc; 509879b20a6cSYishai Hadas void *in; 509979b20a6cSYishai Hadas 510079b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 510179b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 510279b20a6cSYishai Hadas return -EINVAL; 510379b20a6cSYishai Hadas 510479b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 510579b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 510679b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 510779b20a6cSYishai Hadas return -EOPNOTSUPP; 510879b20a6cSYishai Hadas 510979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 511079b20a6cSYishai Hadas return -EFAULT; 511179b20a6cSYishai Hadas 511279b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 511379b20a6cSYishai Hadas return -EOPNOTSUPP; 511479b20a6cSYishai Hadas 511579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 51161b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 511779b20a6cSYishai Hadas if (!in) 511879b20a6cSYishai Hadas return -ENOMEM; 511979b20a6cSYishai Hadas 512079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 512179b20a6cSYishai Hadas 512279b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 512379b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 512479b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 512579b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 512679b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 512779b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 512879b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 512979b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 513079b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 513134d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 513279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 513379b20a6cSYishai Hadas 5134b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5135b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5136b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5137b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5138b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5139b1f74a84SNoa Osherovich "supported\n"); 5140b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5141b1f74a84SNoa Osherovich goto out; 5142b1f74a84SNoa Osherovich } 5143b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5144b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5145b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5146b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5147b1f74a84SNoa Osherovich } 5148b1383aa6SNoa Osherovich 5149b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5150b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5151b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5152b1383aa6SNoa Osherovich goto out; 5153b1383aa6SNoa Osherovich } 5154b1f74a84SNoa Osherovich } 5155b1f74a84SNoa Osherovich 515623a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 51573e1f000fSParav Pandit u16 set_id; 51583e1f000fSParav Pandit 51593e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 516023a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 516123a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 516223a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 51633e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 516423a6964eSMajd Dibbiny } else 51655a738b5dSJason Gunthorpe dev_info_once( 51665a738b5dSJason Gunthorpe &dev->ib_dev.dev, 51675a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 516823a6964eSMajd Dibbiny } 516923a6964eSMajd Dibbiny 5170e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 517179b20a6cSYishai Hadas if (!err) 517279b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 517379b20a6cSYishai Hadas 5174b1f74a84SNoa Osherovich out: 5175b1f74a84SNoa Osherovich kvfree(in); 517679b20a6cSYishai Hadas return err; 517779b20a6cSYishai Hadas } 5178d0e84c0aSYishai Hadas 5179d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 5180d0e84c0aSYishai Hadas struct ib_cqe cqe; 5181d0e84c0aSYishai Hadas struct completion done; 5182d0e84c0aSYishai Hadas }; 5183d0e84c0aSYishai Hadas 5184d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 5185d0e84c0aSYishai Hadas { 5186d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 5187d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 5188d0e84c0aSYishai Hadas cqe); 5189d0e84c0aSYishai Hadas 5190d0e84c0aSYishai Hadas complete(&cqe->done); 5191d0e84c0aSYishai Hadas } 5192d0e84c0aSYishai Hadas 5193d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 5194d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 5195d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 5196d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 5197d0e84c0aSYishai Hadas { 5198d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5199d0e84c0aSYishai Hadas 5200d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 5201d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 5202d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 5203d0e84c0aSYishai Hadas return; 5204d0e84c0aSYishai Hadas } 5205d0e84c0aSYishai Hadas 5206d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5207d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 5208d0e84c0aSYishai Hadas bool triggered = false; 5209d0e84c0aSYishai Hadas unsigned long flags; 5210d0e84c0aSYishai Hadas 5211d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 5212d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 5213d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 5214d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 5215d0e84c0aSYishai Hadas else 5216d0e84c0aSYishai Hadas triggered = true; 5217d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 5218d0e84c0aSYishai Hadas 5219d0e84c0aSYishai Hadas if (triggered) { 5220d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 5221d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 5222d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 5223d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 5224d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 5225d0e84c0aSYishai Hadas break; 5226d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 5227d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 5228d0e84c0aSYishai Hadas break; 5229d0e84c0aSYishai Hadas default: 5230d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 5231d0e84c0aSYishai Hadas } 5232d0e84c0aSYishai Hadas } 5233d0e84c0aSYishai Hadas 5234d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 5235d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 5236d0e84c0aSYishai Hadas */ 52374e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 5238d0e84c0aSYishai Hadas } 5239d0e84c0aSYishai Hadas 5240d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 5241d0e84c0aSYishai Hadas } 5242d0e84c0aSYishai Hadas 5243d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 5244d0e84c0aSYishai Hadas { 5245d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 5246d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5247d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 5248d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 5249d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 5250d0e84c0aSYishai Hadas .wr = { 5251d0e84c0aSYishai Hadas .next = NULL, 5252d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 5253d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 5254d0e84c0aSYishai Hadas }, 5255d0e84c0aSYishai Hadas }; 5256d0e84c0aSYishai Hadas int ret; 5257d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5258d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5259d0e84c0aSYishai Hadas 5260d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5261d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5262d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5263d0e84c0aSYishai Hadas return; 5264d0e84c0aSYishai Hadas } 5265d0e84c0aSYishai Hadas 5266d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 5267d0e84c0aSYishai Hadas init_completion(&sdrain.done); 5268d0e84c0aSYishai Hadas 5269029e88fdSLeon Romanovsky ret = mlx5_ib_post_send_drain(qp, &swr.wr, &bad_swr); 5270d0e84c0aSYishai Hadas if (ret) { 5271d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5272d0e84c0aSYishai Hadas return; 5273d0e84c0aSYishai Hadas } 5274d0e84c0aSYishai Hadas 5275d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 5276d0e84c0aSYishai Hadas } 5277d0e84c0aSYishai Hadas 5278d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 5279d0e84c0aSYishai Hadas { 5280d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 5281d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5282d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 5283d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 5284d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 5285d0e84c0aSYishai Hadas int ret; 5286d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5287d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5288d0e84c0aSYishai Hadas 5289d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5290d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5291d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5292d0e84c0aSYishai Hadas return; 5293d0e84c0aSYishai Hadas } 5294d0e84c0aSYishai Hadas 5295d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 5296d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 5297d0e84c0aSYishai Hadas init_completion(&rdrain.done); 5298d0e84c0aSYishai Hadas 5299029e88fdSLeon Romanovsky ret = mlx5_ib_post_recv_drain(qp, &rwr, &bad_rwr); 5300d0e84c0aSYishai Hadas if (ret) { 5301d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5302d0e84c0aSYishai Hadas return; 5303d0e84c0aSYishai Hadas } 5304d0e84c0aSYishai Hadas 5305d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 5306d0e84c0aSYishai Hadas } 5307d14133ddSMark Zhang 5308d14133ddSMark Zhang /** 5309d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 5310d14133ddSMark Zhang * the default counter 5311d14133ddSMark Zhang */ 5312d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 5313d14133ddSMark Zhang { 531410189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 5315d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 5316d14133ddSMark Zhang int err = 0; 5317d14133ddSMark Zhang 5318d14133ddSMark Zhang mutex_lock(&mqp->mutex); 5319d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 5320d14133ddSMark Zhang qp->counter = counter; 5321d14133ddSMark Zhang goto out; 5322d14133ddSMark Zhang } 5323d14133ddSMark Zhang 532410189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 532510189e8eSMark Zhang err = -EOPNOTSUPP; 532610189e8eSMark Zhang goto out; 532710189e8eSMark Zhang } 532810189e8eSMark Zhang 5329d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 5330d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 5331d14133ddSMark Zhang if (!err) 5332d14133ddSMark Zhang qp->counter = counter; 5333d14133ddSMark Zhang 5334d14133ddSMark Zhang goto out; 5335d14133ddSMark Zhang } 5336d14133ddSMark Zhang 5337d14133ddSMark Zhang mqp->counter_pending = 1; 5338d14133ddSMark Zhang qp->counter = counter; 5339d14133ddSMark Zhang 5340d14133ddSMark Zhang out: 5341d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 5342d14133ddSMark Zhang return err; 5343d14133ddSMark Zhang } 5344