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" 43e126ba97SEli Cohen 44e126ba97SEli Cohen /* not supported currently */ 45e126ba97SEli Cohen static int wq_signature; 46e126ba97SEli Cohen 47e126ba97SEli Cohen enum { 48e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 49e126ba97SEli Cohen }; 50e126ba97SEli Cohen 51e126ba97SEli Cohen enum { 52e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 53e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 54e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 55e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 56e126ba97SEli Cohen }; 57e126ba97SEli Cohen 58e126ba97SEli Cohen enum { 59e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 60064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, 61e126ba97SEli Cohen }; 62e126ba97SEli Cohen 63e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 64e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 65f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 66e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 67e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 68e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 69e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 70e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 71e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 72e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 73e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 748a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 75e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 76e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 77e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 78e126ba97SEli Cohen }; 79e126ba97SEli Cohen 80f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 81f0313965SErez Shitrit u8 rsvd0[16]; 82f0313965SErez Shitrit }; 83e126ba97SEli Cohen 84eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 85eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 867d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 87eb49ab0cSAlex Vesker }; 88eb49ab0cSAlex Vesker 890680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 900680efa2SAlex Vesker u16 operation; 91eb49ab0cSAlex Vesker 92eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 9361147f39SBodong Wang 9461147f39SBodong Wang struct mlx5_rate_limit rl; 9561147f39SBodong Wang 96eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 97d5ed8ac3SMark Bloch u16 port; 980680efa2SAlex Vesker }; 990680efa2SAlex Vesker 10089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 10189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 10289ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10389ea94a7SMaor Gottlieb 104e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 105e126ba97SEli Cohen { 106e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 107e126ba97SEli Cohen } 108e126ba97SEli Cohen 109e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 110e126ba97SEli Cohen { 111e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 112e126ba97SEli Cohen } 113e126ba97SEli Cohen 114c1395a2aSHaggai Eran /** 115fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 116fbeb4075SMoni Shoua * to kernel buffer 117c1395a2aSHaggai Eran * 118fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 119fbeb4075SMoni Shoua * @buffer: buffer to copy to 120fbeb4075SMoni Shoua * @buflen: buffer length 121fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 122fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 123fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 124fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 125fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 126fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 127c1395a2aSHaggai Eran * 128fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 129fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 130c1395a2aSHaggai Eran * 131fbeb4075SMoni Shoua * Return: zero on success, or an error code. 132c1395a2aSHaggai Eran */ 133da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 134da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 135da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 136da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 137fbeb4075SMoni Shoua size_t *bytes_copied) 138c1395a2aSHaggai Eran { 139fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 140fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 141fbeb4075SMoni Shoua size_t copy_length; 142c1395a2aSHaggai Eran int ret; 143c1395a2aSHaggai Eran 144fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 145fbeb4075SMoni Shoua * beyond WQ end 146fbeb4075SMoni Shoua */ 147fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 148fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 149c1395a2aSHaggai Eran 150fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 151c1395a2aSHaggai Eran if (ret) 152c1395a2aSHaggai Eran return ret; 153c1395a2aSHaggai Eran 154fbeb4075SMoni Shoua if (!ret && bytes_copied) 155fbeb4075SMoni Shoua *bytes_copied = copy_length; 156c1395a2aSHaggai Eran 157fbeb4075SMoni Shoua return 0; 158fbeb4075SMoni Shoua } 159fbeb4075SMoni Shoua 160da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 161da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 162da9ee9d8SMoni Shoua { 163da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 164da9ee9d8SMoni Shoua size_t bytes_copied = 0; 165da9ee9d8SMoni Shoua size_t wqe_length; 166da9ee9d8SMoni Shoua void *p; 167da9ee9d8SMoni Shoua int ds; 168da9ee9d8SMoni Shoua 169da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 170da9ee9d8SMoni Shoua 171da9ee9d8SMoni Shoua /* read the control segment first */ 172da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 173da9ee9d8SMoni Shoua ctrl = p; 174da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 175da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 176da9ee9d8SMoni Shoua 177da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 178da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 179da9ee9d8SMoni Shoua size_t copy_length = 180da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 181da9ee9d8SMoni Shoua 182da9ee9d8SMoni Shoua if (!copy_length) 183da9ee9d8SMoni Shoua break; 184da9ee9d8SMoni Shoua 185da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 186da9ee9d8SMoni Shoua bytes_copied += copy_length; 187da9ee9d8SMoni Shoua 188da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 189da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 190da9ee9d8SMoni Shoua } 191da9ee9d8SMoni Shoua *bc = bytes_copied; 192da9ee9d8SMoni Shoua return 0; 193da9ee9d8SMoni Shoua } 194da9ee9d8SMoni Shoua 195da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 196da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 197fbeb4075SMoni Shoua { 198fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 199fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 200fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 201fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 202fbeb4075SMoni Shoua size_t bytes_copied; 203fbeb4075SMoni Shoua size_t bytes_copied2; 204fbeb4075SMoni Shoua size_t wqe_length; 205fbeb4075SMoni Shoua int ret; 206fbeb4075SMoni Shoua int ds; 207fbeb4075SMoni Shoua 208fbeb4075SMoni Shoua /* at first read as much as possible */ 209da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 210da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 211da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 212fbeb4075SMoni Shoua &bytes_copied); 213fbeb4075SMoni Shoua if (ret) 214fbeb4075SMoni Shoua return ret; 215fbeb4075SMoni Shoua 216fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 217fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 218fbeb4075SMoni Shoua return -EINVAL; 219fbeb4075SMoni Shoua 220fbeb4075SMoni Shoua ctrl = buffer; 221fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 222c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 223fbeb4075SMoni Shoua 224fbeb4075SMoni Shoua /* if we copied enough then we are done */ 225fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 226fbeb4075SMoni Shoua *bc = bytes_copied; 227fbeb4075SMoni Shoua return 0; 228c1395a2aSHaggai Eran } 229c1395a2aSHaggai Eran 230fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 231fbeb4075SMoni Shoua * so read the remaining bytes starting 232fbeb4075SMoni Shoua * from wqe_index 0 233fbeb4075SMoni Shoua */ 234da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 235da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 236da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 237fbeb4075SMoni Shoua wqe_length - bytes_copied, 238fbeb4075SMoni Shoua &bytes_copied2); 239c1395a2aSHaggai Eran 240c1395a2aSHaggai Eran if (ret) 241c1395a2aSHaggai Eran return ret; 242fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 243fbeb4075SMoni Shoua return 0; 244fbeb4075SMoni Shoua } 245c1395a2aSHaggai Eran 246da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 247da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 248da9ee9d8SMoni Shoua { 249da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 250da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 251da9ee9d8SMoni Shoua 252da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 253da9ee9d8SMoni Shoua return -EINVAL; 254da9ee9d8SMoni Shoua 255da9ee9d8SMoni Shoua if (!umem) 256da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 257da9ee9d8SMoni Shoua buflen, bc); 258da9ee9d8SMoni Shoua 259da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 260da9ee9d8SMoni Shoua } 261da9ee9d8SMoni Shoua 262da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 263da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 264fbeb4075SMoni Shoua { 265fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 266fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 267fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 268fbeb4075SMoni Shoua size_t bytes_copied; 269fbeb4075SMoni Shoua int ret; 270fbeb4075SMoni Shoua 271da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 272da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 273da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 274fbeb4075SMoni Shoua &bytes_copied); 275fbeb4075SMoni Shoua 276fbeb4075SMoni Shoua if (ret) 277fbeb4075SMoni Shoua return ret; 278fbeb4075SMoni Shoua *bc = bytes_copied; 279fbeb4075SMoni Shoua return 0; 280fbeb4075SMoni Shoua } 281fbeb4075SMoni Shoua 282da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 283da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 284da9ee9d8SMoni Shoua { 285da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 286da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 287da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 288da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 289da9ee9d8SMoni Shoua 290da9ee9d8SMoni Shoua if (buflen < wqe_size) 291da9ee9d8SMoni Shoua return -EINVAL; 292da9ee9d8SMoni Shoua 293da9ee9d8SMoni Shoua if (!umem) 294da9ee9d8SMoni Shoua return -EOPNOTSUPP; 295da9ee9d8SMoni Shoua 296da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 297da9ee9d8SMoni Shoua } 298da9ee9d8SMoni Shoua 299da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 300da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 301fbeb4075SMoni Shoua { 302fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 303fbeb4075SMoni Shoua size_t bytes_copied; 304fbeb4075SMoni Shoua int ret; 305fbeb4075SMoni Shoua 306da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 307da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 308da9ee9d8SMoni Shoua buflen, &bytes_copied); 309fbeb4075SMoni Shoua 310fbeb4075SMoni Shoua if (ret) 311fbeb4075SMoni Shoua return ret; 312fbeb4075SMoni Shoua *bc = bytes_copied; 313fbeb4075SMoni Shoua return 0; 314c1395a2aSHaggai Eran } 315c1395a2aSHaggai Eran 316da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 317da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 318da9ee9d8SMoni Shoua { 319da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 320da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 321da9ee9d8SMoni Shoua 322da9ee9d8SMoni Shoua if (buflen < wqe_size) 323da9ee9d8SMoni Shoua return -EINVAL; 324da9ee9d8SMoni Shoua 325da9ee9d8SMoni Shoua if (!umem) 326da9ee9d8SMoni Shoua return -EOPNOTSUPP; 327da9ee9d8SMoni Shoua 328da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 329da9ee9d8SMoni Shoua } 330da9ee9d8SMoni Shoua 331e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 332e126ba97SEli Cohen { 333e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 334e126ba97SEli Cohen struct ib_event event; 335e126ba97SEli Cohen 33619098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 33719098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 33819098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 33919098df2Smajd@mellanox.com } 340e126ba97SEli Cohen 341e126ba97SEli Cohen if (ibqp->event_handler) { 342e126ba97SEli Cohen event.device = ibqp->device; 343e126ba97SEli Cohen event.element.qp = ibqp; 344e126ba97SEli Cohen switch (type) { 345e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 346e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 347e126ba97SEli Cohen break; 348e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 349e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 350e126ba97SEli Cohen break; 351e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 352e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 353e126ba97SEli Cohen break; 354e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 355e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 356e126ba97SEli Cohen break; 357e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 358e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 359e126ba97SEli Cohen break; 360e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 361e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 362e126ba97SEli Cohen break; 363e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 364e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 365e126ba97SEli Cohen break; 366e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 367e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 368e126ba97SEli Cohen break; 369e126ba97SEli Cohen default: 370e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 371e126ba97SEli Cohen return; 372e126ba97SEli Cohen } 373e126ba97SEli Cohen 374e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 375e126ba97SEli Cohen } 376e126ba97SEli Cohen } 377e126ba97SEli Cohen 378e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 379e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 380e126ba97SEli Cohen { 381e126ba97SEli Cohen int wqe_size; 382e126ba97SEli Cohen int wq_size; 383e126ba97SEli Cohen 384e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 385938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 386e126ba97SEli Cohen return -EINVAL; 387e126ba97SEli Cohen 388e126ba97SEli Cohen if (!has_rq) { 389e126ba97SEli Cohen qp->rq.max_gs = 0; 390e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 391e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3920540d814SNoa Osherovich cap->max_recv_wr = 0; 3930540d814SNoa Osherovich cap->max_recv_sge = 0; 394e126ba97SEli Cohen } else { 395e126ba97SEli Cohen if (ucmd) { 396e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 397002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 398002bf228SLeon Romanovsky return -EINVAL; 399e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 400002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 401002bf228SLeon Romanovsky return -EINVAL; 402e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 403e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 404e126ba97SEli Cohen } else { 405e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 406e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 407e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 408e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 409e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 410e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 411938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 412e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 413e126ba97SEli Cohen wqe_size, 414938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 415938fe83cSSaeed Mahameed max_wqe_sz_rq)); 416e126ba97SEli Cohen return -EINVAL; 417e126ba97SEli Cohen } 418e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 419e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 420e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 421e126ba97SEli Cohen } 422e126ba97SEli Cohen } 423e126ba97SEli Cohen 424e126ba97SEli Cohen return 0; 425e126ba97SEli Cohen } 426e126ba97SEli Cohen 427f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 428e126ba97SEli Cohen { 429618af384SAndi Shyti int size = 0; 430e126ba97SEli Cohen 431f0313965SErez Shitrit switch (attr->qp_type) { 432e126ba97SEli Cohen case IB_QPT_XRC_INI: 433b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 434e126ba97SEli Cohen /* fall through */ 435e126ba97SEli Cohen case IB_QPT_RC: 436e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43775c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 43875c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 43975c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 440064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 441064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 442064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 443e126ba97SEli Cohen break; 444e126ba97SEli Cohen 445b125a54bSEli Cohen case IB_QPT_XRC_TGT: 446b125a54bSEli Cohen return 0; 447b125a54bSEli Cohen 448e126ba97SEli Cohen case IB_QPT_UC: 449b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 45075c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4519e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 45275c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 453e126ba97SEli Cohen break; 454e126ba97SEli Cohen 455e126ba97SEli Cohen case IB_QPT_UD: 456f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 457f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 458f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 459f0313965SErez Shitrit /* fall through */ 460e126ba97SEli Cohen case IB_QPT_SMI: 461d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 462b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 463e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 464e126ba97SEli Cohen break; 465e126ba97SEli Cohen 466e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 467b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 468e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 469e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 470e126ba97SEli Cohen break; 471e126ba97SEli Cohen 472e126ba97SEli Cohen default: 473e126ba97SEli Cohen return -EINVAL; 474e126ba97SEli Cohen } 475e126ba97SEli Cohen 476e126ba97SEli Cohen return size; 477e126ba97SEli Cohen } 478e126ba97SEli Cohen 479e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 480e126ba97SEli Cohen { 481e126ba97SEli Cohen int inl_size = 0; 482e126ba97SEli Cohen int size; 483e126ba97SEli Cohen 484f0313965SErez Shitrit size = sq_overhead(attr); 485e126ba97SEli Cohen if (size < 0) 486e126ba97SEli Cohen return size; 487e126ba97SEli Cohen 488e126ba97SEli Cohen if (attr->cap.max_inline_data) { 489e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 490e126ba97SEli Cohen attr->cap.max_inline_data; 491e126ba97SEli Cohen } 492e126ba97SEli Cohen 493e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 494c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 495e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 496e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 497e1e66cc2SSagi Grimberg else 498e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 499e126ba97SEli Cohen } 500e126ba97SEli Cohen 501288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 502288c01b7SEli Cohen { 503288c01b7SEli Cohen int max_sge; 504288c01b7SEli Cohen 505288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 506288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 507288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 508288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 509288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 510288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 511288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 512288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 513288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 514288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 515288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 516288c01b7SEli Cohen else 517288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 518288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 519288c01b7SEli Cohen 520288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 521288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 522288c01b7SEli Cohen } 523288c01b7SEli Cohen 524e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 525e126ba97SEli Cohen struct mlx5_ib_qp *qp) 526e126ba97SEli Cohen { 527e126ba97SEli Cohen int wqe_size; 528e126ba97SEli Cohen int wq_size; 529e126ba97SEli Cohen 530e126ba97SEli Cohen if (!attr->cap.max_send_wr) 531e126ba97SEli Cohen return 0; 532e126ba97SEli Cohen 533e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 534e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 535e126ba97SEli Cohen if (wqe_size < 0) 536e126ba97SEli Cohen return wqe_size; 537e126ba97SEli Cohen 538938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 539b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 540938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 541e126ba97SEli Cohen return -EINVAL; 542e126ba97SEli Cohen } 543e126ba97SEli Cohen 544f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 545e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 546e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 547e126ba97SEli Cohen 548e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 549e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 550938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5511974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5521974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 553938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 554938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 555b125a54bSEli Cohen return -ENOMEM; 556b125a54bSEli Cohen } 557e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 558288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 559288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 560288c01b7SEli Cohen return -ENOMEM; 561288c01b7SEli Cohen 562288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 563b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 564b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 565e126ba97SEli Cohen 566e126ba97SEli Cohen return wq_size; 567e126ba97SEli Cohen } 568e126ba97SEli Cohen 569e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 570e126ba97SEli Cohen struct mlx5_ib_qp *qp, 57119098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5720fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5730fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 574e126ba97SEli Cohen { 575e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 576e126ba97SEli Cohen 577938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 578e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 579938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 580e126ba97SEli Cohen return -EINVAL; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 584af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 585af8b38edSGal Pressman ucmd->sq_wqe_count); 586e126ba97SEli Cohen return -EINVAL; 587e126ba97SEli Cohen } 588e126ba97SEli Cohen 589e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 590e126ba97SEli Cohen 591938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 592e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 593938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 594938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 595e126ba97SEli Cohen return -EINVAL; 596e126ba97SEli Cohen } 597e126ba97SEli Cohen 598c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 5992be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 6000fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 6010fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 6020fb2ed66Smajd@mellanox.com } else { 60319098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 604e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 6050fb2ed66Smajd@mellanox.com } 606e126ba97SEli Cohen 607e126ba97SEli Cohen return 0; 608e126ba97SEli Cohen } 609e126ba97SEli Cohen 610e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 611e126ba97SEli Cohen { 612e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 613e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 614e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 615e126ba97SEli Cohen !attr->cap.max_recv_wr) 616e126ba97SEli Cohen return 0; 617e126ba97SEli Cohen 618e126ba97SEli Cohen return 1; 619e126ba97SEli Cohen } 620e126ba97SEli Cohen 6210b80c14fSEli Cohen enum { 6220b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6230b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6240b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6250b80c14fSEli Cohen * "odd/even" order 6260b80c14fSEli Cohen */ 6270b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6280b80c14fSEli Cohen }; 6290b80c14fSEli Cohen 630b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 631b037c29aSEli Cohen { 63231a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 633b037c29aSEli Cohen } 634b037c29aSEli Cohen 635b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 636b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 637c1be5232SEli Cohen { 638c1be5232SEli Cohen int n; 639c1be5232SEli Cohen 640b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 641b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 642c1be5232SEli Cohen 643c1be5232SEli Cohen return n >= 0 ? n : 0; 644c1be5232SEli Cohen } 645c1be5232SEli Cohen 64618b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 64718b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 64818b0362eSYishai Hadas { 64918b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 65018b0362eSYishai Hadas } 65118b0362eSYishai Hadas 652b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 653b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 654c1be5232SEli Cohen { 655c1be5232SEli Cohen int med; 656c1be5232SEli Cohen 657b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 658b037c29aSEli Cohen return ++med; 659c1be5232SEli Cohen } 660c1be5232SEli Cohen 661b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663e126ba97SEli Cohen { 664e126ba97SEli Cohen int i; 665e126ba97SEli Cohen 666b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 667b037c29aSEli Cohen if (!bfregi->count[i]) { 6682f5ff264SEli Cohen bfregi->count[i]++; 669e126ba97SEli Cohen return i; 670e126ba97SEli Cohen } 671e126ba97SEli Cohen } 672e126ba97SEli Cohen 673e126ba97SEli Cohen return -ENOMEM; 674e126ba97SEli Cohen } 675e126ba97SEli Cohen 676b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 677b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 678e126ba97SEli Cohen { 67918b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 680e126ba97SEli Cohen int i; 681e126ba97SEli Cohen 68218b0362eSYishai Hadas if (minidx < 0) 68318b0362eSYishai Hadas return minidx; 68418b0362eSYishai Hadas 68518b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6862f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 687e126ba97SEli Cohen minidx = i; 6880b80c14fSEli Cohen if (!bfregi->count[minidx]) 6890b80c14fSEli Cohen break; 690e126ba97SEli Cohen } 691e126ba97SEli Cohen 6922f5ff264SEli Cohen bfregi->count[minidx]++; 693e126ba97SEli Cohen return minidx; 694e126ba97SEli Cohen } 695e126ba97SEli Cohen 696b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 697ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 698e126ba97SEli Cohen { 699ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 700e126ba97SEli Cohen 7010a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7020a2fd01cSYishai Hadas return -EINVAL; 7030a2fd01cSYishai Hadas 7042f5ff264SEli Cohen mutex_lock(&bfregi->lock); 705ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 706ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 707ffaf58deSLeon Romanovsky if (bfregn < 0) 708ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 709ffaf58deSLeon Romanovsky } 710ffaf58deSLeon Romanovsky 711ffaf58deSLeon Romanovsky if (bfregn < 0) { 7120b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 7132f5ff264SEli Cohen bfregn = 0; 7142f5ff264SEli Cohen bfregi->count[bfregn]++; 715e126ba97SEli Cohen } 7162f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 717e126ba97SEli Cohen 7182f5ff264SEli Cohen return bfregn; 719e126ba97SEli Cohen } 720e126ba97SEli Cohen 7214ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 722e126ba97SEli Cohen { 7232f5ff264SEli Cohen mutex_lock(&bfregi->lock); 724b037c29aSEli Cohen bfregi->count[bfregn]--; 7252f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 726e126ba97SEli Cohen } 727e126ba97SEli Cohen 728e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 729e126ba97SEli Cohen { 730e126ba97SEli Cohen switch (state) { 731e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 732e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 733e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 734e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 735e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 736e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 737e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 738e126ba97SEli Cohen default: return -1; 739e126ba97SEli Cohen } 740e126ba97SEli Cohen } 741e126ba97SEli Cohen 742e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 743e126ba97SEli Cohen { 744e126ba97SEli Cohen switch (type) { 745e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 746e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 747e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 748e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 749e126ba97SEli Cohen case IB_QPT_XRC_INI: 750e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 751e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 752d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 753c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 754e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 755e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 7560fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 757e126ba97SEli Cohen case IB_QPT_MAX: 758e126ba97SEli Cohen default: return -EINVAL; 759e126ba97SEli Cohen } 760e126ba97SEli Cohen } 761e126ba97SEli Cohen 76289ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 76389ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 76489ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 76589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 76689ea94a7SMaor Gottlieb 7677c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 76805f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7691ee47ab3SYishai Hadas bool dyn_bfreg) 770e126ba97SEli Cohen { 77105f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 77205f58cebSLeon Romanovsky u32 index_of_sys_page; 77305f58cebSLeon Romanovsky u32 offset; 774b037c29aSEli Cohen 7750a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7760a2fd01cSYishai Hadas return -EINVAL; 7770a2fd01cSYishai Hadas 778b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 779b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 780b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 781b037c29aSEli Cohen 78205f58cebSLeon Romanovsky if (dyn_bfreg) { 78305f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 78405f58cebSLeon Romanovsky 7857c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7867c043e90SYishai Hadas return -EINVAL; 7877c043e90SYishai Hadas 7881ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7891ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7901ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7911ee47ab3SYishai Hadas return -EINVAL; 7921ee47ab3SYishai Hadas } 7931ee47ab3SYishai Hadas } 794b037c29aSEli Cohen 7951ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 796b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 797e126ba97SEli Cohen } 798e126ba97SEli Cohen 799b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 80019098df2Smajd@mellanox.com unsigned long addr, size_t size, 801b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 802b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 80319098df2Smajd@mellanox.com { 80419098df2Smajd@mellanox.com int err; 80519098df2Smajd@mellanox.com 806c320e527SMoni Shoua *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); 80719098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 80819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 80919098df2Smajd@mellanox.com return PTR_ERR(*umem); 81019098df2Smajd@mellanox.com } 81119098df2Smajd@mellanox.com 812762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 81319098df2Smajd@mellanox.com 81419098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 81519098df2Smajd@mellanox.com if (err) { 81619098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 81719098df2Smajd@mellanox.com goto err_umem; 81819098df2Smajd@mellanox.com } 81919098df2Smajd@mellanox.com 82019098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 82119098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 82219098df2Smajd@mellanox.com 82319098df2Smajd@mellanox.com return 0; 82419098df2Smajd@mellanox.com 82519098df2Smajd@mellanox.com err_umem: 82619098df2Smajd@mellanox.com ib_umem_release(*umem); 82719098df2Smajd@mellanox.com *umem = NULL; 82819098df2Smajd@mellanox.com 82919098df2Smajd@mellanox.com return err; 83019098df2Smajd@mellanox.com } 83119098df2Smajd@mellanox.com 832fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 833bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 83479b20a6cSYishai Hadas { 835bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 836bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 837bdeacabdSShamir Rabinovitch udata, 838bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 839bdeacabdSShamir Rabinovitch ibucontext); 84079b20a6cSYishai Hadas 841fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 842fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 843fe248c3aSMaor Gottlieb 84479b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 84579b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84679b20a6cSYishai Hadas } 84779b20a6cSYishai Hadas 84879b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 849b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 85079b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 85179b20a6cSYishai Hadas { 85289944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 85389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 85479b20a6cSYishai Hadas int page_shift = 0; 85579b20a6cSYishai Hadas int npages; 85679b20a6cSYishai Hadas u32 offset = 0; 85779b20a6cSYishai Hadas int ncont = 0; 85879b20a6cSYishai Hadas int err; 85979b20a6cSYishai Hadas 86079b20a6cSYishai Hadas if (!ucmd->buf_addr) 86179b20a6cSYishai Hadas return -EINVAL; 86279b20a6cSYishai Hadas 863c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 86479b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 86579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 86679b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 86779b20a6cSYishai Hadas return err; 86879b20a6cSYishai Hadas } 86979b20a6cSYishai Hadas 870762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 87179b20a6cSYishai Hadas &ncont, NULL); 87279b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 87379b20a6cSYishai Hadas &rwq->rq_page_offset); 87479b20a6cSYishai Hadas if (err) { 87579b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 87679b20a6cSYishai Hadas goto err_umem; 87779b20a6cSYishai Hadas } 87879b20a6cSYishai Hadas 87979b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 88079b20a6cSYishai Hadas rwq->page_shift = page_shift; 88179b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 88279b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 88379b20a6cSYishai Hadas 88479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 88579b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 88679b20a6cSYishai Hadas npages, page_shift, ncont, offset); 88779b20a6cSYishai Hadas 88889944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 88979b20a6cSYishai Hadas if (err) { 89079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 89179b20a6cSYishai Hadas goto err_umem; 89279b20a6cSYishai Hadas } 89379b20a6cSYishai Hadas 89479b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 89579b20a6cSYishai Hadas return 0; 89679b20a6cSYishai Hadas 89779b20a6cSYishai Hadas err_umem: 89879b20a6cSYishai Hadas ib_umem_release(rwq->umem); 89979b20a6cSYishai Hadas return err; 90079b20a6cSYishai Hadas } 90179b20a6cSYishai Hadas 902b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 903b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 904b037c29aSEli Cohen { 905b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 906b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 907b037c29aSEli Cohen } 908b037c29aSEli Cohen 909e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 910e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 9110fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 91209a7d9ecSSaeed Mahameed u32 **in, 91319098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 91419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 915e126ba97SEli Cohen { 916e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 917e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 91819098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 9199e9c47d0SEli Cohen int page_shift = 0; 9201ee47ab3SYishai Hadas int uar_index = 0; 921e126ba97SEli Cohen int npages; 9229e9c47d0SEli Cohen u32 offset = 0; 9232f5ff264SEli Cohen int bfregn; 9249e9c47d0SEli Cohen int ncont = 0; 92509a7d9ecSSaeed Mahameed __be64 *pas; 92609a7d9ecSSaeed Mahameed void *qpc; 927e126ba97SEli Cohen int err; 9285aa3771dSYishai Hadas u16 uid; 929ac42a5eeSYishai Hadas u32 uar_flags; 930e126ba97SEli Cohen 931e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 932e126ba97SEli Cohen if (err) { 933e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 934e126ba97SEli Cohen return err; 935e126ba97SEli Cohen } 936e126ba97SEli Cohen 93789944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 93889944450SShamir Rabinovitch ibucontext); 939ac42a5eeSYishai Hadas uar_flags = ucmd.flags & (MLX5_QP_FLAG_UAR_PAGE_INDEX | 940ac42a5eeSYishai Hadas MLX5_QP_FLAG_BFREG_INDEX); 941ac42a5eeSYishai Hadas switch (uar_flags) { 942ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 943ac42a5eeSYishai Hadas uar_index = ucmd.bfreg_index; 944ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 945ac42a5eeSYishai Hadas break; 946ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 9471ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 9481ee47ab3SYishai Hadas ucmd.bfreg_index, true); 9491ee47ab3SYishai Hadas if (uar_index < 0) 9501ee47ab3SYishai Hadas return uar_index; 9511ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 952ac42a5eeSYishai Hadas break; 953ac42a5eeSYishai Hadas case 0: 9542be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 955ac42a5eeSYishai Hadas return -EINVAL; 956ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 957ffaf58deSLeon Romanovsky if (bfregn < 0) 9582f5ff264SEli Cohen return bfregn; 959ac42a5eeSYishai Hadas break; 960ac42a5eeSYishai Hadas default: 961ac42a5eeSYishai Hadas return -EINVAL; 962e126ba97SEli Cohen } 963e126ba97SEli Cohen 9642f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9651ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9661ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9671ee47ab3SYishai Hadas false); 968e126ba97SEli Cohen 96948fea837SHaggai Eran qp->rq.offset = 0; 97048fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 97148fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 97248fea837SHaggai Eran 9730fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 974e126ba97SEli Cohen if (err) 9752f5ff264SEli Cohen goto err_bfreg; 976e126ba97SEli Cohen 97719098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 97819098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 979b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 980b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 981b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 98219098df2Smajd@mellanox.com if (err) 9832f5ff264SEli Cohen goto err_bfreg; 9849e9c47d0SEli Cohen } else { 98519098df2Smajd@mellanox.com ubuffer->umem = NULL; 9869e9c47d0SEli Cohen } 987e126ba97SEli Cohen 98809a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 98909a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9901b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 991e126ba97SEli Cohen if (!*in) { 992e126ba97SEli Cohen err = -ENOMEM; 993e126ba97SEli Cohen goto err_umem; 994e126ba97SEli Cohen } 995e126ba97SEli Cohen 9967422edceSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT && 9977422edceSYishai Hadas attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9985aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 99909a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 100009a7d9ecSSaeed Mahameed if (ubuffer->umem) 100109a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 100209a7d9ecSSaeed Mahameed 100309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 100409a7d9ecSSaeed Mahameed 100509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 100609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 100709a7d9ecSSaeed Mahameed 100809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 10091ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 1010b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 10111ee47ab3SYishai Hadas else 10121ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 10132f5ff264SEli Cohen qp->bfregn = bfregn; 1014e126ba97SEli Cohen 1015b0ea0fa5SJason Gunthorpe err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); 1016e126ba97SEli Cohen if (err) { 1017e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 1018e126ba97SEli Cohen goto err_free; 1019e126ba97SEli Cohen } 1020e126ba97SEli Cohen 102141d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 1022e126ba97SEli Cohen if (err) { 1023e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1024e126ba97SEli Cohen goto err_unmap; 1025e126ba97SEli Cohen } 1026e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 1027e126ba97SEli Cohen 1028e126ba97SEli Cohen return 0; 1029e126ba97SEli Cohen 1030e126ba97SEli Cohen err_unmap: 1031e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 1032e126ba97SEli Cohen 1033e126ba97SEli Cohen err_free: 1034479163f4SAl Viro kvfree(*in); 1035e126ba97SEli Cohen 1036e126ba97SEli Cohen err_umem: 103719098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 1038e126ba97SEli Cohen 10392f5ff264SEli Cohen err_bfreg: 10401ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 10414ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 1042e126ba97SEli Cohen return err; 1043e126ba97SEli Cohen } 1044e126ba97SEli Cohen 1045b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1046bdeacabdSShamir Rabinovitch struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, 1047bdeacabdSShamir Rabinovitch struct ib_udata *udata) 1048e126ba97SEli Cohen { 1049bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 1050bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 1051bdeacabdSShamir Rabinovitch udata, 1052bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 1053bdeacabdSShamir Rabinovitch ibucontext); 1054e126ba97SEli Cohen 1055e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 105619098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10571ee47ab3SYishai Hadas 10581ee47ab3SYishai Hadas /* 10591ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10601ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10611ee47ab3SYishai Hadas */ 10621ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10634ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1064e126ba97SEli Cohen } 1065e126ba97SEli Cohen 106634f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 106734f4c955SGuy Levi * 106834f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 106934f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 107034f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 107134f4c955SGuy Levi * simply should check if it gets to an edge. 107234f4c955SGuy Levi * 107334f4c955SGuy Levi * @sq - SQ buffer. 107434f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 107534f4c955SGuy Levi * 107634f4c955SGuy Levi * Return: 107734f4c955SGuy Levi * The new edge. 107834f4c955SGuy Levi */ 107934f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 108034f4c955SGuy Levi { 108134f4c955SGuy Levi void *fragment_end; 108234f4c955SGuy Levi 108334f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 108434f4c955SGuy Levi (&sq->fbc, 108534f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 108634f4c955SGuy Levi 108734f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 108834f4c955SGuy Levi } 108934f4c955SGuy Levi 1090e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 1091e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1092e126ba97SEli Cohen struct mlx5_ib_qp *qp, 109309a7d9ecSSaeed Mahameed u32 **in, int *inlen, 109419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1095e126ba97SEli Cohen { 1096e126ba97SEli Cohen int uar_index; 109709a7d9ecSSaeed Mahameed void *qpc; 1098e126ba97SEli Cohen int err; 1099e126ba97SEli Cohen 1100e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 11015fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 11022978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 110311f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 11045fe9dec0SEli Cohen else 11055fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1106e126ba97SEli Cohen 1107d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1108d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1109d8030b0dSEli Cohen */ 1110d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 11115fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1112e126ba97SEli Cohen 1113e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1114e126ba97SEli Cohen if (err < 0) { 1115e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11165fe9dec0SEli Cohen return err; 1117e126ba97SEli Cohen } 1118e126ba97SEli Cohen 1119e126ba97SEli Cohen qp->rq.offset = 0; 1120e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 112119098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1122e126ba97SEli Cohen 112334f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 112434f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1125e126ba97SEli Cohen if (err) { 1126e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11275fe9dec0SEli Cohen return err; 1128e126ba97SEli Cohen } 1129e126ba97SEli Cohen 113034f4c955SGuy Levi if (qp->rq.wqe_cnt) 113134f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 113234f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 113334f4c955SGuy Levi 113434f4c955SGuy Levi if (qp->sq.wqe_cnt) { 113534f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 113634f4c955SGuy Levi MLX5_SEND_WQE_BB; 113734f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 113834f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 113934f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 114034f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 114134f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 114234f4c955SGuy Levi 114334f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 114434f4c955SGuy Levi } 114534f4c955SGuy Levi 114609a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 114709a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 11481b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1149e126ba97SEli Cohen if (!*in) { 1150e126ba97SEli Cohen err = -ENOMEM; 1151e126ba97SEli Cohen goto err_buf; 1152e126ba97SEli Cohen } 115309a7d9ecSSaeed Mahameed 115409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 115509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 115609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 115709a7d9ecSSaeed Mahameed 1158e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 115909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 116009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1161e126ba97SEli Cohen 11622978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 116309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1164b11a4f9cSHaggai Eran 116534f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 116634f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 116734f4c955SGuy Levi *in, pas)); 1168e126ba97SEli Cohen 11699603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1170e126ba97SEli Cohen if (err) { 1171e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1172e126ba97SEli Cohen goto err_free; 1173e126ba97SEli Cohen } 1174e126ba97SEli Cohen 1175b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1176b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1177b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1178b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1179b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1180b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1181b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1182b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1183b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1184b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1185e126ba97SEli Cohen 1186e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1187e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1188e126ba97SEli Cohen err = -ENOMEM; 1189e126ba97SEli Cohen goto err_wrid; 1190e126ba97SEli Cohen } 1191e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1192e126ba97SEli Cohen 1193e126ba97SEli Cohen return 0; 1194e126ba97SEli Cohen 1195e126ba97SEli Cohen err_wrid: 1196b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1197b5883008SLi Dongyang kvfree(qp->sq.w_list); 1198b5883008SLi Dongyang kvfree(qp->sq.wrid); 1199b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1200b5883008SLi Dongyang kvfree(qp->rq.wrid); 1201f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1202e126ba97SEli Cohen 1203e126ba97SEli Cohen err_free: 1204479163f4SAl Viro kvfree(*in); 1205e126ba97SEli Cohen 1206e126ba97SEli Cohen err_buf: 120734f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1208e126ba97SEli Cohen return err; 1209e126ba97SEli Cohen } 1210e126ba97SEli Cohen 1211e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1212e126ba97SEli Cohen { 1213b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1214b5883008SLi Dongyang kvfree(qp->sq.w_list); 1215b5883008SLi Dongyang kvfree(qp->sq.wrid); 1216b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1217b5883008SLi Dongyang kvfree(qp->rq.wrid); 1218f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 121934f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1220e126ba97SEli Cohen } 1221e126ba97SEli Cohen 122209a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1223e126ba97SEli Cohen { 1224e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 12258bde2c50SLeon Romanovsky (qp->qp_sub_type == MLX5_IB_QPT_DCI) || 1226e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 122709a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1228e126ba97SEli Cohen else if (!qp->has_rq) 122909a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1230e126ba97SEli Cohen else 123109a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1232e126ba97SEli Cohen } 1233e126ba97SEli Cohen 12340fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1235c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 12361cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 12371cd6dbd3SYishai Hadas struct ib_pd *pd) 12380fb2ed66Smajd@mellanox.com { 1239e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 12400fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 12410fb2ed66Smajd@mellanox.com 12421cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 12430fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 12442be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1245c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1246c2e53b2cSYishai Hadas 1247e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 12480fb2ed66Smajd@mellanox.com } 12490fb2ed66Smajd@mellanox.com 12500fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 12511cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 12520fb2ed66Smajd@mellanox.com { 12531cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 12540fb2ed66Smajd@mellanox.com } 12550fb2ed66Smajd@mellanox.com 1256d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1257b96c9ddeSMark Bloch { 1258b96c9ddeSMark Bloch if (sq->flow_rule) 1259b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1260d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1261b96c9ddeSMark Bloch } 1262b96c9ddeSMark Bloch 12630fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1264b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12650fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12660fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12670fb2ed66Smajd@mellanox.com { 12680fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12690fb2ed66Smajd@mellanox.com __be64 *pas; 12700fb2ed66Smajd@mellanox.com void *in; 12710fb2ed66Smajd@mellanox.com void *sqc; 12720fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12730fb2ed66Smajd@mellanox.com void *wq; 12740fb2ed66Smajd@mellanox.com int inlen; 12750fb2ed66Smajd@mellanox.com int err; 12760fb2ed66Smajd@mellanox.com int page_shift = 0; 12770fb2ed66Smajd@mellanox.com int npages; 12780fb2ed66Smajd@mellanox.com int ncont = 0; 12790fb2ed66Smajd@mellanox.com u32 offset = 0; 12800fb2ed66Smajd@mellanox.com 1281b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1282b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1283b0ea0fa5SJason Gunthorpe &offset); 12840fb2ed66Smajd@mellanox.com if (err) 12850fb2ed66Smajd@mellanox.com return err; 12860fb2ed66Smajd@mellanox.com 12870fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12881b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12890fb2ed66Smajd@mellanox.com if (!in) { 12900fb2ed66Smajd@mellanox.com err = -ENOMEM; 12910fb2ed66Smajd@mellanox.com goto err_umem; 12920fb2ed66Smajd@mellanox.com } 12930fb2ed66Smajd@mellanox.com 1294c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12950fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12960fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1297795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1298795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12990fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 13000fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13010fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 13020fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 13030fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 130496dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 130596dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 130696dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 13070fb2ed66Smajd@mellanox.com 13080fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 13090fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 13100fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13110fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 13120fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13130fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 13140fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 13150fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 13160fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 13170fb2ed66Smajd@mellanox.com 13180fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13190fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 13200fb2ed66Smajd@mellanox.com 1321333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 13220fb2ed66Smajd@mellanox.com 13230fb2ed66Smajd@mellanox.com kvfree(in); 13240fb2ed66Smajd@mellanox.com 13250fb2ed66Smajd@mellanox.com if (err) 13260fb2ed66Smajd@mellanox.com goto err_umem; 13270fb2ed66Smajd@mellanox.com 13280fb2ed66Smajd@mellanox.com return 0; 13290fb2ed66Smajd@mellanox.com 13300fb2ed66Smajd@mellanox.com err_umem: 13310fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13320fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13330fb2ed66Smajd@mellanox.com 13340fb2ed66Smajd@mellanox.com return err; 13350fb2ed66Smajd@mellanox.com } 13360fb2ed66Smajd@mellanox.com 13370fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13380fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13390fb2ed66Smajd@mellanox.com { 1340d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1341333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 13420fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13430fb2ed66Smajd@mellanox.com } 13440fb2ed66Smajd@mellanox.com 13452c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 13460fb2ed66Smajd@mellanox.com { 13470fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 13480fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 13490fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 13500fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 13510fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 13520fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 13530fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 13540fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 13550fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 13560fb2ed66Smajd@mellanox.com 13570fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 13580fb2ed66Smajd@mellanox.com } 13590fb2ed66Smajd@mellanox.com 13600fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13612c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 136234d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 13630fb2ed66Smajd@mellanox.com { 1364358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13650fb2ed66Smajd@mellanox.com __be64 *pas; 13660fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13670fb2ed66Smajd@mellanox.com void *in; 13680fb2ed66Smajd@mellanox.com void *rqc; 13690fb2ed66Smajd@mellanox.com void *wq; 13700fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13712c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13722c292dbbSBoris Pismenny size_t inlen; 13730fb2ed66Smajd@mellanox.com int err; 13742c292dbbSBoris Pismenny 13752c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13762c292dbbSBoris Pismenny return -EINVAL; 13770fb2ed66Smajd@mellanox.com 13780fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13791b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13800fb2ed66Smajd@mellanox.com if (!in) 13810fb2ed66Smajd@mellanox.com return -ENOMEM; 13820fb2ed66Smajd@mellanox.com 138334d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13840fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1385e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13860fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13870fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13880fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13890fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13900fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13910fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13920fb2ed66Smajd@mellanox.com 13932be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1394358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1395358e42eaSMajd Dibbiny 13960fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13970fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1398b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1399b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 14000fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 14010fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 14020fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 14030fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 14040fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 14050fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 14060fb2ed66Smajd@mellanox.com 14070fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 14080fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 14090fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 14100fb2ed66Smajd@mellanox.com 1411333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 14120fb2ed66Smajd@mellanox.com 14130fb2ed66Smajd@mellanox.com kvfree(in); 14140fb2ed66Smajd@mellanox.com 14150fb2ed66Smajd@mellanox.com return err; 14160fb2ed66Smajd@mellanox.com } 14170fb2ed66Smajd@mellanox.com 14180fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 14190fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 14200fb2ed66Smajd@mellanox.com { 1421333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 14220fb2ed66Smajd@mellanox.com } 14230fb2ed66Smajd@mellanox.com 1424f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1425f95ef6cbSMaor Gottlieb { 1426f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1427f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1428f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1429f95ef6cbSMaor Gottlieb } 1430f95ef6cbSMaor Gottlieb 14310042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14320042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1433443c1cf9SYishai Hadas u32 qp_flags_en, 1434443c1cf9SYishai Hadas struct ib_pd *pd) 14350042f9e4SMark Bloch { 14360042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14370042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14380042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1439443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14400042f9e4SMark Bloch } 14410042f9e4SMark Bloch 14420fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1443f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1444e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1445e0b4b472SLeon Romanovsky u32 *out) 14460fb2ed66Smajd@mellanox.com { 1447175edba8SMark Bloch u8 lb_flag = 0; 14480fb2ed66Smajd@mellanox.com u32 *in; 14490fb2ed66Smajd@mellanox.com void *tirc; 14500fb2ed66Smajd@mellanox.com int inlen; 14510fb2ed66Smajd@mellanox.com int err; 14520fb2ed66Smajd@mellanox.com 14530fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14541b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14550fb2ed66Smajd@mellanox.com if (!in) 14560fb2ed66Smajd@mellanox.com return -ENOMEM; 14570fb2ed66Smajd@mellanox.com 1458443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14590fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14600fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14610fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14620fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1463175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1464f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14650fb2ed66Smajd@mellanox.com 1466175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1467175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1468175edba8SMark Bloch 1469175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1470175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1471175edba8SMark Bloch 14726a4d00beSMark Bloch if (dev->is_rep) { 1473175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1474175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1475175edba8SMark Bloch } 1476175edba8SMark Bloch 1477175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1478e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1479e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14801f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14810042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14820042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14830042f9e4SMark Bloch 14840042f9e4SMark Bloch if (err) 1485443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14860042f9e4SMark Bloch } 14870fb2ed66Smajd@mellanox.com kvfree(in); 14880fb2ed66Smajd@mellanox.com 14890fb2ed66Smajd@mellanox.com return err; 14900fb2ed66Smajd@mellanox.com } 14910fb2ed66Smajd@mellanox.com 14920fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14932c292dbbSBoris Pismenny u32 *in, size_t inlen, 14947f72052cSYishai Hadas struct ib_pd *pd, 14957f72052cSYishai Hadas struct ib_udata *udata, 14967f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 14970fb2ed66Smajd@mellanox.com { 14980fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14990fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15000fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 150189944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 150289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 15030fb2ed66Smajd@mellanox.com int err; 15040fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 15057f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 15061f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 15070fb2ed66Smajd@mellanox.com 15080fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15091cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 15100fb2ed66Smajd@mellanox.com if (err) 15110fb2ed66Smajd@mellanox.com return err; 15120fb2ed66Smajd@mellanox.com 1513b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 15140fb2ed66Smajd@mellanox.com if (err) 15150fb2ed66Smajd@mellanox.com goto err_destroy_tis; 15160fb2ed66Smajd@mellanox.com 15177f72052cSYishai Hadas if (uid) { 15187f72052cSYishai Hadas resp->tisn = sq->tisn; 15197f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 15207f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 15217f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 15227f72052cSYishai Hadas } 15237f72052cSYishai Hadas 15240fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 15251d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15260fb2ed66Smajd@mellanox.com } 15270fb2ed66Smajd@mellanox.com 15280fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1529358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1530358e42eaSMajd Dibbiny 15312be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1532e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 15332be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1534b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 153534d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 15360fb2ed66Smajd@mellanox.com if (err) 15370fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15380fb2ed66Smajd@mellanox.com 1539e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1540e0b4b472SLeon Romanovsky out); 15410fb2ed66Smajd@mellanox.com if (err) 15420fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15437f72052cSYishai Hadas 15447f72052cSYishai Hadas if (uid) { 15457f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15467f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15477f72052cSYishai Hadas resp->tirn = rq->tirn; 15487f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 15491f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 15501f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15511f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15521f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15531f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15541f1d6abbSAriel Levkovich icm_address_39_32) 15551f1d6abbSAriel Levkovich << 32; 15561f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15571f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15581f1d6abbSAriel Levkovich icm_address_63_40) 15591f1d6abbSAriel Levkovich << 40; 15601f1d6abbSAriel Levkovich resp->comp_mask |= 15611f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15621f1d6abbSAriel Levkovich } 15637f72052cSYishai Hadas } 15640fb2ed66Smajd@mellanox.com } 15650fb2ed66Smajd@mellanox.com 15660fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15670fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15687f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 15697f72052cSYishai Hadas if (err) 15707f72052cSYishai Hadas goto err_destroy_tir; 15710fb2ed66Smajd@mellanox.com 15720fb2ed66Smajd@mellanox.com return 0; 15730fb2ed66Smajd@mellanox.com 15747f72052cSYishai Hadas err_destroy_tir: 15757f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 15760fb2ed66Smajd@mellanox.com err_destroy_rq: 15770fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15780fb2ed66Smajd@mellanox.com err_destroy_sq: 15790fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15800fb2ed66Smajd@mellanox.com return err; 15810fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15820fb2ed66Smajd@mellanox.com err_destroy_tis: 15831cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15840fb2ed66Smajd@mellanox.com 15850fb2ed66Smajd@mellanox.com return err; 15860fb2ed66Smajd@mellanox.com } 15870fb2ed66Smajd@mellanox.com 15880fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15890fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15900fb2ed66Smajd@mellanox.com { 15910fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15920fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15930fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15940fb2ed66Smajd@mellanox.com 15950fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1596443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15970fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15980fb2ed66Smajd@mellanox.com } 15990fb2ed66Smajd@mellanox.com 16000fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 16010fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 16021cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 16030fb2ed66Smajd@mellanox.com } 16040fb2ed66Smajd@mellanox.com } 16050fb2ed66Smajd@mellanox.com 16060fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 16070fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 16080fb2ed66Smajd@mellanox.com { 16090fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16100fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16110fb2ed66Smajd@mellanox.com 16120fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 16130fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 16140fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 16150fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 16160fb2ed66Smajd@mellanox.com } 16170fb2ed66Smajd@mellanox.com 161828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 161928d61370SYishai Hadas { 16200042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 16210042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 16220042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1623443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1624443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 162528d61370SYishai Hadas } 162628d61370SYishai Hadas 16275d0dc3d9SLeon Romanovsky static int create_rss_raw_qp_tir(struct ib_pd *pd, struct mlx5_ib_qp *qp, 162828d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 162928d61370SYishai Hadas struct ib_udata *udata) 163028d61370SYishai Hadas { 163189944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 163289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 16335d0dc3d9SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(pd->device); 163428d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 163528d61370SYishai Hadas int inlen; 16361f1d6abbSAriel Levkovich int outlen; 163728d61370SYishai Hadas int err; 163828d61370SYishai Hadas u32 *in; 16391f1d6abbSAriel Levkovich u32 *out; 164028d61370SYishai Hadas void *tirc; 164128d61370SYishai Hadas void *hfso; 164228d61370SYishai Hadas u32 selected_fields = 0; 16432d93fc85SMatan Barak u32 outer_l4; 164428d61370SYishai Hadas size_t min_resp_len; 164528d61370SYishai Hadas u32 tdn = mucontext->tdn; 164628d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 164728d61370SYishai Hadas size_t required_cmd_sz; 1648175edba8SMark Bloch u8 lb_flag = 0; 164928d61370SYishai Hadas 16502978975cSLeon Romanovsky if (init_attr->send_cq) 165128d61370SYishai Hadas return -EINVAL; 165228d61370SYishai Hadas 16532f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 165428d61370SYishai Hadas if (udata->outlen < min_resp_len) 165528d61370SYishai Hadas return -EINVAL; 165628d61370SYishai Hadas 1657f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 165828d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 165928d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 166028d61370SYishai Hadas return -EINVAL; 166128d61370SYishai Hadas } 166228d61370SYishai Hadas 166328d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 166428d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 166528d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 166628d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 166728d61370SYishai Hadas return -EOPNOTSUPP; 166828d61370SYishai Hadas } 166928d61370SYishai Hadas 167028d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 167128d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 167228d61370SYishai Hadas return -EFAULT; 167328d61370SYishai Hadas } 167428d61370SYishai Hadas 167528d61370SYishai Hadas if (ucmd.comp_mask) { 167628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 167728d61370SYishai Hadas return -EOPNOTSUPP; 167828d61370SYishai Hadas } 167928d61370SYishai Hadas 1680175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1681175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1682175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1683f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1684f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1685f95ef6cbSMaor Gottlieb } 1686f95ef6cbSMaor Gottlieb 1687f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1688f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1689f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 169028d61370SYishai Hadas return -EOPNOTSUPP; 169128d61370SYishai Hadas } 169228d61370SYishai Hadas 1693309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1694309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1695309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1696309fa347SMaor Gottlieb return -EOPNOTSUPP; 1697309fa347SMaor Gottlieb } 1698309fa347SMaor Gottlieb 16996a4d00beSMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { 1700175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1701175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1702175edba8SMark Bloch } 1703175edba8SMark Bloch 1704175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1705175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1706175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1707175edba8SMark Bloch } 1708175edba8SMark Bloch 170941d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 171028d61370SYishai Hadas if (err) { 171128d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 171228d61370SYishai Hadas return -EINVAL; 171328d61370SYishai Hadas } 171428d61370SYishai Hadas 171528d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 17161f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 17171f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 171828d61370SYishai Hadas if (!in) 171928d61370SYishai Hadas return -ENOMEM; 172028d61370SYishai Hadas 17211f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1722443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 172328d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 172428d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 172528d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 172628d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 172728d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 172828d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 172928d61370SYishai Hadas 173028d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1731f95ef6cbSMaor Gottlieb 1732f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1733f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1734f95ef6cbSMaor Gottlieb 1735175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1736175edba8SMark Bloch 1737309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1738309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1739309fa347SMaor Gottlieb else 1740309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1741309fa347SMaor Gottlieb 174228d61370SYishai Hadas switch (ucmd.rx_hash_function) { 174328d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 174428d61370SYishai Hadas { 174528d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 174628d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 174728d61370SYishai Hadas 174828d61370SYishai Hadas if (len != ucmd.rx_key_len) { 174928d61370SYishai Hadas err = -EINVAL; 175028d61370SYishai Hadas goto err; 175128d61370SYishai Hadas } 175228d61370SYishai Hadas 175328d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 175428d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 175528d61370SYishai Hadas break; 175628d61370SYishai Hadas } 175728d61370SYishai Hadas default: 175828d61370SYishai Hadas err = -EOPNOTSUPP; 175928d61370SYishai Hadas goto err; 176028d61370SYishai Hadas } 176128d61370SYishai Hadas 176228d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 176328d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 176428d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 176528d61370SYishai Hadas goto create_tir; 176628d61370SYishai Hadas err = -EINVAL; 176728d61370SYishai Hadas goto err; 176828d61370SYishai Hadas } 176928d61370SYishai Hadas 177028d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 177128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 177228d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 177328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 177428d61370SYishai Hadas err = -EINVAL; 177528d61370SYishai Hadas goto err; 177628d61370SYishai Hadas } 177728d61370SYishai Hadas 177828d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 177928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 178028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 178128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 178228d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 178328d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 178428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 178528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 178628d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 178728d61370SYishai Hadas 17882d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17892d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 179028d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17912d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 17922d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17932d93fc85SMatan Barak 17942d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17952d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 179628d61370SYishai Hadas err = -EINVAL; 179728d61370SYishai Hadas goto err; 179828d61370SYishai Hadas } 179928d61370SYishai Hadas 180028d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 180128d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 180228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 180328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 180428d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 180528d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 180628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 180728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 180828d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 180928d61370SYishai Hadas 181028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 181128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 181228d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 181328d61370SYishai Hadas 181428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 181528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 181628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 181728d61370SYishai Hadas 181828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 181928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 182028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 182128d61370SYishai Hadas 182228d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 182328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 182428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 182528d61370SYishai Hadas 18262d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 18272d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 18282d93fc85SMatan Barak 182928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 183028d61370SYishai Hadas 183128d61370SYishai Hadas create_tir: 1832e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1833e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 183428d61370SYishai Hadas 18351f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 18360042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 18370042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 18380042f9e4SMark Bloch 18390042f9e4SMark Bloch if (err) 1840443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1841443c1cf9SYishai Hadas to_mpd(pd)->uid); 18420042f9e4SMark Bloch } 18430042f9e4SMark Bloch 184428d61370SYishai Hadas if (err) 184528d61370SYishai Hadas goto err; 184628d61370SYishai Hadas 18477f72052cSYishai Hadas if (mucontext->devx_uid) { 18487f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 18497f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 18501f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 18511f1d6abbSAriel Levkovich resp.tir_icm_addr = 18521f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 18531f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18541f1d6abbSAriel Levkovich icm_address_39_32) 18551f1d6abbSAriel Levkovich << 32; 18561f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18571f1d6abbSAriel Levkovich icm_address_63_40) 18581f1d6abbSAriel Levkovich << 40; 18591f1d6abbSAriel Levkovich resp.comp_mask |= 18601f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18611f1d6abbSAriel Levkovich } 18627f72052cSYishai Hadas } 18637f72052cSYishai Hadas 18647f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 18657f72052cSYishai Hadas if (err) 18667f72052cSYishai Hadas goto err_copy; 18677f72052cSYishai Hadas 186828d61370SYishai Hadas kvfree(in); 186928d61370SYishai Hadas /* qpn is reserved for that QP */ 187028d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 18712be08c30SLeon Romanovsky qp->is_rss = true; 187228d61370SYishai Hadas return 0; 187328d61370SYishai Hadas 18747f72052cSYishai Hadas err_copy: 18757f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 187628d61370SYishai Hadas err: 187728d61370SYishai Hadas kvfree(in); 187828d61370SYishai Hadas return err; 187928d61370SYishai Hadas } 188028d61370SYishai Hadas 18815d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 18825d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18836f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 18845d6ff1baSYonatan Cohen void *qpc) 18855d6ff1baSYonatan Cohen { 18865d6ff1baSYonatan Cohen int scqe_sz; 18872ab367a7Szhengbin bool allow_scat_cqe = false; 18885d6ff1baSYonatan Cohen 18896f4bc0eaSYonatan Cohen if (ucmd) 18906f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18916f4bc0eaSYonatan Cohen 18926f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18935d6ff1baSYonatan Cohen return; 18945d6ff1baSYonatan Cohen 18955d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18965d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18975d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18985d6ff1baSYonatan Cohen return; 18995d6ff1baSYonatan Cohen } 19005d6ff1baSYonatan Cohen 19015d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 19025d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 19035d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 19045d6ff1baSYonatan Cohen } 19055d6ff1baSYonatan Cohen 1906a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1907a60109dcSYonatan Cohen { 1908a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1909a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1910a60109dcSYonatan Cohen */ 1911a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1912a60109dcSYonatan Cohen int log_max_size; 1913a60109dcSYonatan Cohen 1914a60109dcSYonatan Cohen if (!supported_size_mask) 1915a60109dcSYonatan Cohen return -EOPNOTSUPP; 1916a60109dcSYonatan Cohen 1917a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1918a60109dcSYonatan Cohen 1919a60109dcSYonatan Cohen if (log_max_size > 3) 1920a60109dcSYonatan Cohen return log_max_size; 1921a60109dcSYonatan Cohen 1922a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1923a60109dcSYonatan Cohen } 1924a60109dcSYonatan Cohen 1925a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1926a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1927a60109dcSYonatan Cohen { 1928a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1929a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1930a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1931a60109dcSYonatan Cohen int atomic_size_mask; 1932a60109dcSYonatan Cohen 1933a60109dcSYonatan Cohen if (!atomic) 1934a60109dcSYonatan Cohen return -EOPNOTSUPP; 1935a60109dcSYonatan Cohen 1936a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1937a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1938a60109dcSYonatan Cohen else 1939a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1940a60109dcSYonatan Cohen 1941a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1942a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1943a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1944a60109dcSYonatan Cohen 1945a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1946a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1947a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1948a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1949a60109dcSYonatan Cohen 1950a60109dcSYonatan Cohen return atomic_mode; 1951a60109dcSYonatan Cohen } 1952a60109dcSYonatan Cohen 19532e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 19542e43bb31SYonatan Cohen { 19552e43bb31SYonatan Cohen return (input & ~supported) == 0; 19562e43bb31SYonatan Cohen } 19572e43bb31SYonatan Cohen 1958e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1959e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 19602dfac92dSLeon Romanovsky struct mlx5_ib_create_qp *ucmd, 1961e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1962e126ba97SEli Cohen { 1963e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 196409a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1965938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 19660625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 196789944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 196889944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 196989ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 197089ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 197189ea94a7SMaor Gottlieb unsigned long flags; 1972cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 197309a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1974e7b169f3SNoa Osherovich int mlx5_st; 1975cfb5e088SHaggai Abramovsky void *qpc; 197609a7d9ecSSaeed Mahameed u32 *in; 197709a7d9ecSSaeed Mahameed int err; 1978e126ba97SEli Cohen 1979e126ba97SEli Cohen mutex_init(&qp->mutex); 1980e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1981e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1982e126ba97SEli Cohen 19838bde2c50SLeon Romanovsky mlx5_st = to_mlx5_st((init_attr->qp_type != IB_QPT_DRIVER) ? 19848bde2c50SLeon Romanovsky init_attr->qp_type : 19858bde2c50SLeon Romanovsky qp->qp_sub_type); 1986e7b169f3SNoa Osherovich if (mlx5_st < 0) 1987e7b169f3SNoa Osherovich return -EINVAL; 1988e7b169f3SNoa Osherovich 1989e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1990e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1991e126ba97SEli Cohen 1992e00b64f7SShamir Rabinovitch if (udata) { 19932dfac92dSLeon Romanovsky if (!check_flags_mask(ucmd->flags, 1994569c6651SDanit Goldberg MLX5_QP_FLAG_ALLOW_SCATTER_CQE | 19958af526e0SMark Bloch MLX5_QP_FLAG_BFREG_INDEX | 19968af526e0SMark Bloch MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | 19978af526e0SMark Bloch MLX5_QP_FLAG_SCATTER_CQE | 19988af526e0SMark Bloch MLX5_QP_FLAG_SIGNATURE | 19998af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | 20008af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 20018af526e0SMark Bloch MLX5_QP_FLAG_TUNNEL_OFFLOADS | 2002ac42a5eeSYishai Hadas MLX5_QP_FLAG_UAR_PAGE_INDEX | 20038af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCI | 20048af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCT)) 20052e43bb31SYonatan Cohen return -EINVAL; 20062e43bb31SYonatan Cohen 20072dfac92dSLeon Romanovsky err = get_qp_user_index(ucontext, ucmd, udata->inlen, &uidx); 2008cfb5e088SHaggai Abramovsky if (err) 2009cfb5e088SHaggai Abramovsky return err; 2010cfb5e088SHaggai Abramovsky 20112dfac92dSLeon Romanovsky qp->wq_sig = !!(ucmd->flags & MLX5_QP_FLAG_SIGNATURE); 20125d6ff1baSYonatan Cohen if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 20132dfac92dSLeon Romanovsky qp->scat_cqe = 20142dfac92dSLeon Romanovsky !!(ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE); 20152dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 2016f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 2017f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 2018f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 2019f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 2020f95ef6cbSMaor Gottlieb } 2021175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 2022175edba8SMark Bloch } 2023175edba8SMark Bloch 20242dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 2025175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2026175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 2027175edba8SMark Bloch return -EOPNOTSUPP; 2028175edba8SMark Bloch } 2029175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 2030175edba8SMark Bloch } 2031175edba8SMark Bloch 20322dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 2033175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2034175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 2035175edba8SMark Bloch return -EOPNOTSUPP; 2036175edba8SMark Bloch } 2037175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 2038f95ef6cbSMaor Gottlieb } 2039c2e53b2cSYishai Hadas 20402dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { 2041569c6651SDanit Goldberg if (init_attr->qp_type != IB_QPT_RC || 2042569c6651SDanit Goldberg !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { 2043569c6651SDanit Goldberg mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); 2044569c6651SDanit Goldberg return -EOPNOTSUPP; 2045569c6651SDanit Goldberg } 20462be08c30SLeon Romanovsky qp->flags_en |= MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE; 2047569c6651SDanit Goldberg } 2048e126ba97SEli Cohen } else { 2049e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 2050e126ba97SEli Cohen } 2051e126ba97SEli Cohen 20522978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 20532978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 20542978975cSLeon Romanovsky 2055c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 20562be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 2057c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2058c2e53b2cSYishai Hadas &qp->trans_qp.base; 2059c2e53b2cSYishai Hadas 2060e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 20612dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 2062e126ba97SEli Cohen if (err) { 2063e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2064e126ba97SEli Cohen return err; 2065e126ba97SEli Cohen } 2066e126ba97SEli Cohen 2067e126ba97SEli Cohen if (pd) { 2068e00b64f7SShamir Rabinovitch if (udata) { 2069938fe83cSSaeed Mahameed __u32 max_wqes = 2070938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 20712dfac92dSLeon Romanovsky mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", 20722dfac92dSLeon Romanovsky ucmd->sq_wqe_count); 20732dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 20742dfac92dSLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) { 2075e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 2076e126ba97SEli Cohen return -EINVAL; 2077e126ba97SEli Cohen } 20782dfac92dSLeon Romanovsky if (ucmd->sq_wqe_count > max_wqes) { 2079e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 20802dfac92dSLeon Romanovsky ucmd->sq_wqe_count, max_wqes); 2081e126ba97SEli Cohen return -EINVAL; 2082e126ba97SEli Cohen } 20830fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 20840fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2085e126ba97SEli Cohen if (err) 2086e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2087e126ba97SEli Cohen } else { 208819098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 208919098df2Smajd@mellanox.com base); 2090e126ba97SEli Cohen if (err) 2091e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2092e126ba97SEli Cohen } 2093e126ba97SEli Cohen 2094e126ba97SEli Cohen if (err) 2095e126ba97SEli Cohen return err; 2096e126ba97SEli Cohen } else { 20971b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2098e126ba97SEli Cohen if (!in) 2099e126ba97SEli Cohen return -ENOMEM; 2100e126ba97SEli Cohen 2101e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2102e126ba97SEli Cohen } 2103e126ba97SEli Cohen 2104e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2105e126ba97SEli Cohen qp->port = init_attr->port_num; 2106e126ba97SEli Cohen 210709a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 210809a7d9ecSSaeed Mahameed 2109e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 211009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2111e126ba97SEli Cohen 2112e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 211309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2114e126ba97SEli Cohen else 211509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 211609a7d9ecSSaeed Mahameed 2117e126ba97SEli Cohen 2118e126ba97SEli Cohen if (qp->wq_sig) 211909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2120e126ba97SEli Cohen 21212be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 212209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2123f360d88aSEli Cohen 21242be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 212509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 21262be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 212709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 21282be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 212909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 21302be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2131569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 21328bde2c50SLeon Romanovsky if (qp->scat_cqe && (init_attr->qp_type == IB_QPT_RC || 21338bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 21348bde2c50SLeon Romanovsky int rcqe_sz = rcqe_sz = 21358bde2c50SLeon Romanovsky mlx5_ib_get_cqe_size(init_attr->recv_cq); 21368bde2c50SLeon Romanovsky 21378bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 21388bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 21398bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 21408bde2c50SLeon Romanovsky } 21418bde2c50SLeon Romanovsky if (qp->scat_cqe && (qp->qp_sub_type == MLX5_IB_QPT_DCI || 21428bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_RC)) 21432dfac92dSLeon Romanovsky configure_requester_scat_cqe(dev, init_attr, ucmd, qpc); 2144e126ba97SEli Cohen 2145e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 214609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 214709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2148e126ba97SEli Cohen } 2149e126ba97SEli Cohen 215009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2151e126ba97SEli Cohen 21523fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 215309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 21543fd3307eSArtemy Kovalyov } else { 215509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 21563fd3307eSArtemy Kovalyov if (init_attr->srq && 21573fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 21583fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 21593fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 21603fd3307eSArtemy Kovalyov } 2161e126ba97SEli Cohen 2162e126ba97SEli Cohen /* Set default resources */ 2163e126ba97SEli Cohen switch (init_attr->qp_type) { 2164e126ba97SEli Cohen case IB_QPT_XRC_TGT: 216509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 216609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 216709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 216809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2169e126ba97SEli Cohen break; 2170e126ba97SEli Cohen case IB_QPT_XRC_INI: 217109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 217209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 217309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2174e126ba97SEli Cohen break; 2175e126ba97SEli Cohen default: 2176e126ba97SEli Cohen if (init_attr->srq) { 217709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 217809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2179e126ba97SEli Cohen } else { 218009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 218109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2182e126ba97SEli Cohen } 2183e126ba97SEli Cohen } 2184e126ba97SEli Cohen 2185e126ba97SEli Cohen if (init_attr->send_cq) 218609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2187e126ba97SEli Cohen 2188e126ba97SEli Cohen if (init_attr->recv_cq) 218909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2190e126ba97SEli Cohen 219109a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2192e126ba97SEli Cohen 2193cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 219409a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2195cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 219609a7d9ecSSaeed Mahameed 2197f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 21982978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 2199f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2200cfb5e088SHaggai Abramovsky 22012978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 22022978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2203b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2204b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 22052978975cSLeon Romanovsky /* Special case to clean flag */ 22062978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2207b1383aa6SNoa Osherovich } 2208b1383aa6SNoa Osherovich 22092c292dbbSBoris Pismenny if (inlen < 0) { 22102c292dbbSBoris Pismenny err = -EINVAL; 22112c292dbbSBoris Pismenny goto err; 22122c292dbbSBoris Pismenny } 22132c292dbbSBoris Pismenny 2214c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 22152be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 22162dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 22170fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 22187f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 22197f72052cSYishai Hadas &resp); 22200fb2ed66Smajd@mellanox.com } else { 2221333fbaa0SLeon Romanovsky err = mlx5_core_create_qp(dev, &base->mqp, in, inlen); 22220fb2ed66Smajd@mellanox.com } 22230fb2ed66Smajd@mellanox.com 2224e126ba97SEli Cohen if (err) { 2225e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2226e126ba97SEli Cohen goto err_create; 2227e126ba97SEli Cohen } 2228e126ba97SEli Cohen 2229479163f4SAl Viro kvfree(in); 2230e126ba97SEli Cohen 223119098df2Smajd@mellanox.com base->container_mibqp = qp; 223219098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2233e126ba97SEli Cohen 223489ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 223589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 223689ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 223789ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 223889ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 223989ea94a7SMaor Gottlieb * flow 224089ea94a7SMaor Gottlieb */ 224189ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 224289ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 224389ea94a7SMaor Gottlieb */ 224489ea94a7SMaor Gottlieb if (send_cq) 224589ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 224689ea94a7SMaor Gottlieb if (recv_cq) 224789ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 224889ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 224989ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 225089ea94a7SMaor Gottlieb 2251e126ba97SEli Cohen return 0; 2252e126ba97SEli Cohen 2253e126ba97SEli Cohen err_create: 2254e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2255bdeacabdSShamir Rabinovitch destroy_qp_user(dev, pd, qp, base, udata); 2256e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2257e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2258e126ba97SEli Cohen 2259b1383aa6SNoa Osherovich err: 2260479163f4SAl Viro kvfree(in); 2261e126ba97SEli Cohen return err; 2262e126ba97SEli Cohen } 2263e126ba97SEli Cohen 2264e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2265e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2266e126ba97SEli Cohen { 2267e126ba97SEli Cohen if (send_cq) { 2268e126ba97SEli Cohen if (recv_cq) { 2269e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 227089ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2271e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2272e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2273e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 227489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2275e126ba97SEli Cohen __acquire(&recv_cq->lock); 2276e126ba97SEli Cohen } else { 227789ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2278e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2279e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2280e126ba97SEli Cohen } 2281e126ba97SEli Cohen } else { 228289ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22836a4f139aSEli Cohen __acquire(&recv_cq->lock); 2284e126ba97SEli Cohen } 2285e126ba97SEli Cohen } else if (recv_cq) { 228689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22876a4f139aSEli Cohen __acquire(&send_cq->lock); 22886a4f139aSEli Cohen } else { 22896a4f139aSEli Cohen __acquire(&send_cq->lock); 22906a4f139aSEli Cohen __acquire(&recv_cq->lock); 2291e126ba97SEli Cohen } 2292e126ba97SEli Cohen } 2293e126ba97SEli Cohen 2294e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2295e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2296e126ba97SEli Cohen { 2297e126ba97SEli Cohen if (send_cq) { 2298e126ba97SEli Cohen if (recv_cq) { 2299e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2300e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 230189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2302e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2303e126ba97SEli Cohen __release(&recv_cq->lock); 230489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2305e126ba97SEli Cohen } else { 2306e126ba97SEli Cohen spin_unlock(&send_cq->lock); 230789ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2308e126ba97SEli Cohen } 2309e126ba97SEli Cohen } else { 23106a4f139aSEli Cohen __release(&recv_cq->lock); 231189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2312e126ba97SEli Cohen } 2313e126ba97SEli Cohen } else if (recv_cq) { 23146a4f139aSEli Cohen __release(&send_cq->lock); 231589ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23166a4f139aSEli Cohen } else { 23176a4f139aSEli Cohen __release(&recv_cq->lock); 23186a4f139aSEli Cohen __release(&send_cq->lock); 2319e126ba97SEli Cohen } 2320e126ba97SEli Cohen } 2321e126ba97SEli Cohen 2322e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2323e126ba97SEli Cohen { 2324e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2325e126ba97SEli Cohen } 2326e126ba97SEli Cohen 232789ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 232889ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2329e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2330e126ba97SEli Cohen { 233189ea94a7SMaor Gottlieb switch (qp_type) { 2332e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2333e126ba97SEli Cohen *send_cq = NULL; 2334e126ba97SEli Cohen *recv_cq = NULL; 2335e126ba97SEli Cohen break; 2336e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2337e126ba97SEli Cohen case IB_QPT_XRC_INI: 233889ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2339e126ba97SEli Cohen *recv_cq = NULL; 2340e126ba97SEli Cohen break; 2341e126ba97SEli Cohen 2342e126ba97SEli Cohen case IB_QPT_SMI: 2343d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2344e126ba97SEli Cohen case IB_QPT_RC: 2345e126ba97SEli Cohen case IB_QPT_UC: 2346e126ba97SEli Cohen case IB_QPT_UD: 2347e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2348e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 23490fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 235089ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 235189ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2352e126ba97SEli Cohen break; 2353e126ba97SEli Cohen 2354e126ba97SEli Cohen case IB_QPT_MAX: 2355e126ba97SEli Cohen default: 2356e126ba97SEli Cohen *send_cq = NULL; 2357e126ba97SEli Cohen *recv_cq = NULL; 2358e126ba97SEli Cohen break; 2359e126ba97SEli Cohen } 2360e126ba97SEli Cohen } 2361e126ba97SEli Cohen 2362ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 236313eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 236413eab21fSAviv Heller u8 lag_tx_affinity); 2365ad5f8e96Smajd@mellanox.com 2366bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2367bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2368e126ba97SEli Cohen { 2369e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2370c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 237189ea94a7SMaor Gottlieb unsigned long flags; 2372e126ba97SEli Cohen int err; 2373e126ba97SEli Cohen 237428d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 237528d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 237628d61370SYishai Hadas return; 237728d61370SYishai Hadas } 237828d61370SYishai Hadas 2379c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23802be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 23810fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23820fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23830fb2ed66Smajd@mellanox.com 23846aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2385c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 23862be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2387333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 23881a412fb1SSaeed Mahameed NULL, &base->mqp); 2389ad5f8e96Smajd@mellanox.com } else { 23900680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 23910680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 23920680efa2SAlex Vesker }; 23930680efa2SAlex Vesker 239413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2395ad5f8e96Smajd@mellanox.com } 2396ad5f8e96Smajd@mellanox.com if (err) 2397427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 239819098df2Smajd@mellanox.com base->mqp.qpn); 23996aec21f6SHaggai Eran } 2400e126ba97SEli Cohen 240189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 240289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 240389ea94a7SMaor Gottlieb 240489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 240589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 240689ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 240789ea94a7SMaor Gottlieb list_del(&qp->qps_list); 240889ea94a7SMaor Gottlieb if (send_cq) 240989ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 241089ea94a7SMaor Gottlieb 241189ea94a7SMaor Gottlieb if (recv_cq) 241289ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2413e126ba97SEli Cohen 2414e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 241519098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2416e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2417e126ba97SEli Cohen if (send_cq != recv_cq) 241819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 241919098df2Smajd@mellanox.com NULL); 2420e126ba97SEli Cohen } 242189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 242289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2423e126ba97SEli Cohen 2424c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 24252be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 24260fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24270fb2ed66Smajd@mellanox.com } else { 2428333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2429e126ba97SEli Cohen if (err) 24300fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24310fb2ed66Smajd@mellanox.com base->mqp.qpn); 24320fb2ed66Smajd@mellanox.com } 2433e126ba97SEli Cohen 2434e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2435e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2436e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2437bdeacabdSShamir Rabinovitch destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); 2438e126ba97SEli Cohen } 2439e126ba97SEli Cohen 244047c80612SLeon Romanovsky static int create_dct(struct ib_pd *pd, struct mlx5_ib_qp *qp, 2441b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 244247c80612SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, struct ib_udata *udata) 2443b4aaa1f0SMoni Shoua { 244489944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 244589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2446b4aaa1f0SMoni Shoua int err = 0; 2447b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2448b4aaa1f0SMoni Shoua void *dctc; 2449b4aaa1f0SMoni Shoua 245089944450SShamir Rabinovitch err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); 2451b4aaa1f0SMoni Shoua if (err) 245247c80612SLeon Romanovsky return err; 2453b4aaa1f0SMoni Shoua 2454b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24559c2ba4edSLeon Romanovsky if (!qp->dct.in) 245647c80612SLeon Romanovsky return -ENOMEM; 2457b4aaa1f0SMoni Shoua 2458a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2459b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2460b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2461b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2462b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2463b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2464b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2465b4aaa1f0SMoni Shoua 2466fd9dab7eSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) { 2467fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2468fd9dab7eSLeon Romanovsky 2469fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2470fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2471fd9dab7eSLeon Romanovsky } 24725d6ff1baSYonatan Cohen 2473b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2474b4aaa1f0SMoni Shoua 247547c80612SLeon Romanovsky return 0; 2476b4aaa1f0SMoni Shoua } 2477b4aaa1f0SMoni Shoua 24786eb7edffSLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr) 24796eb7edffSLeon Romanovsky { 24806eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 24816eb7edffSLeon Romanovsky goto out; 24826eb7edffSLeon Romanovsky 24836eb7edffSLeon Romanovsky switch (attr->qp_type) { 24846eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 24856eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 24866eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 24876eb7edffSLeon Romanovsky goto out; 24886eb7edffSLeon Romanovsky fallthrough; 24896eb7edffSLeon Romanovsky case IB_QPT_RAW_PACKET: 24906eb7edffSLeon Romanovsky case IB_QPT_RC: 24916eb7edffSLeon Romanovsky case IB_QPT_UC: 24926eb7edffSLeon Romanovsky case IB_QPT_UD: 24936eb7edffSLeon Romanovsky case IB_QPT_SMI: 24946eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 24956eb7edffSLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 24966eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 24976eb7edffSLeon Romanovsky case IB_QPT_GSI: 24986eb7edffSLeon Romanovsky return 0; 24996eb7edffSLeon Romanovsky case IB_QPT_RAW_IPV6: 25006eb7edffSLeon Romanovsky case IB_QPT_RAW_ETHERTYPE: 25016eb7edffSLeon Romanovsky case IB_QPT_MAX: 25026eb7edffSLeon Romanovsky default: 25036eb7edffSLeon Romanovsky goto out; 2504b4aaa1f0SMoni Shoua } 2505b4aaa1f0SMoni Shoua 2506b4aaa1f0SMoni Shoua return 0; 25076eb7edffSLeon Romanovsky 25086eb7edffSLeon Romanovsky out: 25096eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 25106eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2511b4aaa1f0SMoni Shoua } 2512b4aaa1f0SMoni Shoua 25132242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 25142242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 25152242cc25SLeon Romanovsky struct ib_udata *udata) 25162242cc25SLeon Romanovsky { 25172242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 25182242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 25192242cc25SLeon Romanovsky 25202242cc25SLeon Romanovsky if (!udata) { 25212242cc25SLeon Romanovsky /* Kernel create_qp callers */ 25222242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 25232242cc25SLeon Romanovsky return -EOPNOTSUPP; 25242242cc25SLeon Romanovsky 25252242cc25SLeon Romanovsky switch (attr->qp_type) { 25262242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 25272242cc25SLeon Romanovsky case IB_QPT_DRIVER: 25282242cc25SLeon Romanovsky return -EOPNOTSUPP; 25292242cc25SLeon Romanovsky default: 25302242cc25SLeon Romanovsky return 0; 25312242cc25SLeon Romanovsky } 25322242cc25SLeon Romanovsky } 25332242cc25SLeon Romanovsky 25342242cc25SLeon Romanovsky /* Userspace create_qp callers */ 25352242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 25362242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25372242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 25382242cc25SLeon Romanovsky return -EINVAL; 25392242cc25SLeon Romanovsky } 25402242cc25SLeon Romanovsky 25412242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 25422242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25432242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 25442242cc25SLeon Romanovsky attr->qp_type); 25452242cc25SLeon Romanovsky return -EINVAL; 25462242cc25SLeon Romanovsky } 25472242cc25SLeon Romanovsky 25482242cc25SLeon Romanovsky switch (attr->qp_type) { 25492242cc25SLeon Romanovsky case IB_QPT_SMI: 25502242cc25SLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25512242cc25SLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 25522242cc25SLeon Romanovsky case IB_QPT_GSI: 25532242cc25SLeon Romanovsky mlx5_ib_dbg(dev, "Kernel doesn't support QP type %d\n", 25542242cc25SLeon Romanovsky attr->qp_type); 25552242cc25SLeon Romanovsky return -EINVAL; 25562242cc25SLeon Romanovsky default: 25572242cc25SLeon Romanovsky break; 25582242cc25SLeon Romanovsky } 25592242cc25SLeon Romanovsky 25602242cc25SLeon Romanovsky /* 25612242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25622242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25632242cc25SLeon Romanovsky */ 25642242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25652242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25662242cc25SLeon Romanovsky return 0; 25672242cc25SLeon Romanovsky } 25682242cc25SLeon Romanovsky 25692fdddbd5SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_qp *qp, 25702fdddbd5SLeon Romanovsky struct ib_qp_init_attr *attr, 25712fdddbd5SLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 25722fdddbd5SLeon Romanovsky { 25732fdddbd5SLeon Romanovsky switch (ucmd->flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 25742fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 25752fdddbd5SLeon Romanovsky qp->qp_sub_type = MLX5_IB_QPT_DCI; 25762fdddbd5SLeon Romanovsky break; 25772fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 25782fdddbd5SLeon Romanovsky qp->qp_sub_type = MLX5_IB_QPT_DCT; 25792fdddbd5SLeon Romanovsky break; 25802fdddbd5SLeon Romanovsky default: 25812fdddbd5SLeon Romanovsky return -EINVAL; 25822fdddbd5SLeon Romanovsky } 25832fdddbd5SLeon Romanovsky 25842fdddbd5SLeon Romanovsky return 0; 25852fdddbd5SLeon Romanovsky } 25862fdddbd5SLeon Romanovsky 25872978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 25882978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 25892978975cSLeon Romanovsky { 25902978975cSLeon Romanovsky if (!(*flags & flag)) 25912978975cSLeon Romanovsky return; 25922978975cSLeon Romanovsky 25932978975cSLeon Romanovsky if (cond) { 25942978975cSLeon Romanovsky qp->flags |= flag; 25952978975cSLeon Romanovsky *flags &= ~flag; 25962978975cSLeon Romanovsky return; 25972978975cSLeon Romanovsky } 25982978975cSLeon Romanovsky 25992978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26002978975cSLeon Romanovsky /* 26012978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26022978975cSLeon Romanovsky * just different in-kernel flow. 26032978975cSLeon Romanovsky */ 26042978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26052978975cSLeon Romanovsky return; 26062978975cSLeon Romanovsky } 26072978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 26082978975cSLeon Romanovsky } 26092978975cSLeon Romanovsky 26102978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26112978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 26122978975cSLeon Romanovsky { 26132978975cSLeon Romanovsky enum ib_qp_type qp_type = attr->qp_type; 26142978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 26152978975cSLeon Romanovsky int create_flags = attr->create_flags; 26162978975cSLeon Romanovsky bool cond; 26172978975cSLeon Romanovsky 26182978975cSLeon Romanovsky if (qp->qp_sub_type == MLX5_IB_QPT_DCT) 26192978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26202978975cSLeon Romanovsky 26212978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 26222978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26232978975cSLeon Romanovsky 26242978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26252978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 26262978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 26272978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 26282978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26292978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 26302978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26312978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 26322978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26332978975cSLeon Romanovsky 26342978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 26352978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26362978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 26372978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 26382978975cSLeon Romanovsky qp); 26392978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 26402978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 26412978975cSLeon Romanovsky cond, qp); 26422978975cSLeon Romanovsky } 26432978975cSLeon Romanovsky 26442978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 26452978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26462978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 26472978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26482978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 26492978975cSLeon Romanovsky 26502978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26512978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 26522978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26532978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 26542978975cSLeon Romanovsky } 26552978975cSLeon Romanovsky 26562978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26572978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 26582978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 26592978975cSLeon Romanovsky 26602978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 26612978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 26622978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 26632978975cSLeon Romanovsky true, qp); 26642978975cSLeon Romanovsky 26652978975cSLeon Romanovsky if (create_flags) 26662978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 26672978975cSLeon Romanovsky create_flags); 26682978975cSLeon Romanovsky 26692978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26702978975cSLeon Romanovsky } 26712978975cSLeon Romanovsky 267247c80612SLeon Romanovsky static int create_driver_qp(struct ib_pd *pd, struct mlx5_ib_qp *qp, 267347c80612SLeon Romanovsky struct ib_qp_init_attr *attr, 267447c80612SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, 267547c80612SLeon Romanovsky struct ib_udata *udata) 267647c80612SLeon Romanovsky { 267747c80612SLeon Romanovsky struct mlx5_ib_dev *mdev = to_mdev(pd->device); 267847c80612SLeon Romanovsky int ret = -EINVAL; 267947c80612SLeon Romanovsky 268047c80612SLeon Romanovsky switch (qp->qp_sub_type) { 268147c80612SLeon Romanovsky case MLX5_IB_QPT_DCT: 268247c80612SLeon Romanovsky if (!attr->srq || !attr->recv_cq) 268347c80612SLeon Romanovsky goto out; 268447c80612SLeon Romanovsky 268547c80612SLeon Romanovsky ret = create_dct(pd, qp, attr, ucmd, udata); 268647c80612SLeon Romanovsky break; 268747c80612SLeon Romanovsky case MLX5_IB_QPT_DCI: 26882fdddbd5SLeon Romanovsky if (attr->cap.max_recv_wr || attr->cap.max_recv_sge) 26892fdddbd5SLeon Romanovsky goto out; 26902fdddbd5SLeon Romanovsky 26912dfac92dSLeon Romanovsky ret = create_qp_common(mdev, pd, attr, ucmd, udata, qp); 269247c80612SLeon Romanovsky break; 269347c80612SLeon Romanovsky default: 269447c80612SLeon Romanovsky return -EINVAL; 269547c80612SLeon Romanovsky } 269647c80612SLeon Romanovsky 269747c80612SLeon Romanovsky out: return ret; 269847c80612SLeon Romanovsky } 269947c80612SLeon Romanovsky 27002fdddbd5SLeon Romanovsky static size_t process_udata_size(struct ib_qp_init_attr *attr, 27012fdddbd5SLeon Romanovsky struct ib_udata *udata) 27022fdddbd5SLeon Romanovsky { 27032fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27042fdddbd5SLeon Romanovsky 27052dfac92dSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER) 27062fdddbd5SLeon Romanovsky return (udata->inlen < ucmd) ? 0 : ucmd; 27072dfac92dSLeon Romanovsky 27082dfac92dSLeon Romanovsky return ucmd; 27092fdddbd5SLeon Romanovsky } 27102fdddbd5SLeon Romanovsky 27115d0dc3d9SLeon Romanovsky static int create_raw_qp(struct ib_pd *pd, struct mlx5_ib_qp *qp, 27125d0dc3d9SLeon Romanovsky struct ib_qp_init_attr *attr, 27135d0dc3d9SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, struct ib_udata *udata) 27145d0dc3d9SLeon Romanovsky { 27155d0dc3d9SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(pd->device); 27165d0dc3d9SLeon Romanovsky 27175d0dc3d9SLeon Romanovsky if (attr->rwq_ind_tbl) 27185d0dc3d9SLeon Romanovsky return create_rss_raw_qp_tir(pd, qp, attr, udata); 27195d0dc3d9SLeon Romanovsky 27205d0dc3d9SLeon Romanovsky return create_qp_common(dev, pd, attr, ucmd, udata, qp); 27215d0dc3d9SLeon Romanovsky } 27225d0dc3d9SLeon Romanovsky 2723b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 27242fdddbd5SLeon Romanovsky struct ib_qp_init_attr *init_attr, 2725e126ba97SEli Cohen struct ib_udata *udata) 2726e126ba97SEli Cohen { 272747c80612SLeon Romanovsky struct mlx5_ib_create_qp ucmd = {}; 2728e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2729e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2730e126ba97SEli Cohen u16 xrcdn = 0; 2731e126ba97SEli Cohen int err; 2732e126ba97SEli Cohen 27336eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 27346eb7edffSLeon Romanovsky to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 27350fb2ed66Smajd@mellanox.com 27366eb7edffSLeon Romanovsky err = check_qp_type(dev, init_attr); 27376eb7edffSLeon Romanovsky if (err) { 27386eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", 27396eb7edffSLeon Romanovsky init_attr->qp_type); 27406eb7edffSLeon Romanovsky return ERR_PTR(err); 27416eb7edffSLeon Romanovsky } 27426eb7edffSLeon Romanovsky 27432242cc25SLeon Romanovsky err = check_valid_flow(dev, pd, init_attr, udata); 27442242cc25SLeon Romanovsky if (err) 27452242cc25SLeon Romanovsky return ERR_PTR(err); 2746e126ba97SEli Cohen 27479c2ba4edSLeon Romanovsky if (init_attr->qp_type == IB_QPT_GSI) 27489c2ba4edSLeon Romanovsky return mlx5_ib_gsi_create_qp(pd, init_attr); 27499c2ba4edSLeon Romanovsky 27502dfac92dSLeon Romanovsky if (udata && !init_attr->rwq_ind_tbl) { 27512fdddbd5SLeon Romanovsky size_t inlen = 27522fdddbd5SLeon Romanovsky process_udata_size(init_attr, udata); 27532fdddbd5SLeon Romanovsky 27542fdddbd5SLeon Romanovsky if (!inlen) 27552fdddbd5SLeon Romanovsky return ERR_PTR(-EINVAL); 27562fdddbd5SLeon Romanovsky 27572fdddbd5SLeon Romanovsky err = ib_copy_from_udata(&ucmd, udata, inlen); 27582fdddbd5SLeon Romanovsky if (err) 27592fdddbd5SLeon Romanovsky return ERR_PTR(err); 27602fdddbd5SLeon Romanovsky } 27612fdddbd5SLeon Romanovsky 27629c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 27639c2ba4edSLeon Romanovsky if (!qp) 27649c2ba4edSLeon Romanovsky return ERR_PTR(-ENOMEM); 27659c2ba4edSLeon Romanovsky 2766b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 27672fdddbd5SLeon Romanovsky err = process_vendor_flags(qp, init_attr, &ucmd); 2768b4aaa1f0SMoni Shoua if (err) 27699c2ba4edSLeon Romanovsky goto free_qp; 2770b4aaa1f0SMoni Shoua } 27712978975cSLeon Romanovsky err = process_create_flags(dev, qp, init_attr); 27722978975cSLeon Romanovsky if (err) 27732978975cSLeon Romanovsky goto free_qp; 2774b4aaa1f0SMoni Shoua 2775c86936e6SLeon Romanovsky if (init_attr->qp_type == IB_QPT_XRC_TGT) 2776e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 27776eb7edffSLeon Romanovsky 277847c80612SLeon Romanovsky switch (init_attr->qp_type) { 277947c80612SLeon Romanovsky case IB_QPT_DRIVER: 278047c80612SLeon Romanovsky err = create_driver_qp(pd, qp, init_attr, &ucmd, udata); 278147c80612SLeon Romanovsky break; 27825d0dc3d9SLeon Romanovsky case IB_QPT_RAW_PACKET: 27835d0dc3d9SLeon Romanovsky err = create_raw_qp(pd, qp, init_attr, &ucmd, udata); 27845d0dc3d9SLeon Romanovsky break; 278547c80612SLeon Romanovsky default: 27862dfac92dSLeon Romanovsky err = create_qp_common(dev, pd, init_attr, 27872dfac92dSLeon Romanovsky (udata) ? &ucmd : NULL, udata, qp); 278847c80612SLeon Romanovsky } 2789e126ba97SEli Cohen if (err) { 2790e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 27919c2ba4edSLeon Romanovsky goto free_qp; 2792e126ba97SEli Cohen } 2793e126ba97SEli Cohen 2794e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2795e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2796e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2797e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2798e126ba97SEli Cohen else 279919098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2800e126ba97SEli Cohen 280119098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2802e126ba97SEli Cohen 2803e126ba97SEli Cohen return &qp->ibqp; 28049c2ba4edSLeon Romanovsky 28059c2ba4edSLeon Romanovsky free_qp: 28069c2ba4edSLeon Romanovsky kfree(qp); 28079c2ba4edSLeon Romanovsky return ERR_PTR(err); 2808e126ba97SEli Cohen } 2809e126ba97SEli Cohen 2810776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2811776a3906SMoni Shoua { 2812776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2813776a3906SMoni Shoua 2814776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2815776a3906SMoni Shoua int err; 2816776a3906SMoni Shoua 2817333fbaa0SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 2818776a3906SMoni Shoua if (err) { 2819776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2820776a3906SMoni Shoua return err; 2821776a3906SMoni Shoua } 2822776a3906SMoni Shoua } 2823776a3906SMoni Shoua 2824776a3906SMoni Shoua kfree(mqp->dct.in); 2825776a3906SMoni Shoua kfree(mqp); 2826776a3906SMoni Shoua return 0; 2827776a3906SMoni Shoua } 2828776a3906SMoni Shoua 2829c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2830e126ba97SEli Cohen { 2831e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2832e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2833e126ba97SEli Cohen 2834d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2835d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2836d16e91daSHaggai Eran 2837776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2838776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2839776a3906SMoni Shoua 2840bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2841e126ba97SEli Cohen 2842e126ba97SEli Cohen kfree(mqp); 2843e126ba97SEli Cohen 2844e126ba97SEli Cohen return 0; 2845e126ba97SEli Cohen } 2846e126ba97SEli Cohen 2847a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2848a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2849bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2850e126ba97SEli Cohen { 2851e126ba97SEli Cohen u8 dest_rd_atomic; 2852bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2853e126ba97SEli Cohen 2854a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2855a60109dcSYonatan Cohen 2856e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2857e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2858e126ba97SEli Cohen else 285919098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2860e126ba97SEli Cohen 2861e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2862e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2863e126ba97SEli Cohen else 286419098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2865e126ba97SEli Cohen 2866e126ba97SEli Cohen if (!dest_rd_atomic) 2867e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2868e126ba97SEli Cohen 2869e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2870bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 287113f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2872a60109dcSYonatan Cohen int atomic_mode; 2873e126ba97SEli Cohen 2874a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2875a60109dcSYonatan Cohen if (atomic_mode < 0) 2876a60109dcSYonatan Cohen return -EOPNOTSUPP; 2877a60109dcSYonatan Cohen 2878bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2879bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2880a60109dcSYonatan Cohen } 2881a60109dcSYonatan Cohen 2882a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2883bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 2884a60109dcSYonatan Cohen 2885bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 2886a60109dcSYonatan Cohen 2887a60109dcSYonatan Cohen return 0; 2888e126ba97SEli Cohen } 2889e126ba97SEli Cohen 2890e126ba97SEli Cohen enum { 2891e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2892e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2893e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2894e126ba97SEli Cohen }; 2895e126ba97SEli Cohen 2896e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2897e126ba97SEli Cohen { 28984f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2899e126ba97SEli Cohen return 0; 29004f32ac2eSDanit Goldberg 2901a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 2902e126ba97SEli Cohen return -EINVAL; 29034f32ac2eSDanit Goldberg 29044f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2905e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2906938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2907e126ba97SEli Cohen --rate; 2908e126ba97SEli Cohen 29094f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2910e126ba97SEli Cohen } 2911e126ba97SEli Cohen 291275850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 29131cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 29141cd6dbd3SYishai Hadas struct ib_pd *pd) 291575850d0bSmajd@mellanox.com { 291675850d0bSmajd@mellanox.com void *in; 291775850d0bSmajd@mellanox.com void *tisc; 291875850d0bSmajd@mellanox.com int inlen; 291975850d0bSmajd@mellanox.com int err; 292075850d0bSmajd@mellanox.com 292175850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29221b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 292375850d0bSmajd@mellanox.com if (!in) 292475850d0bSmajd@mellanox.com return -ENOMEM; 292575850d0bSmajd@mellanox.com 292675850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 29271cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 292875850d0bSmajd@mellanox.com 292975850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 293075850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 293175850d0bSmajd@mellanox.com 2932e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 293375850d0bSmajd@mellanox.com 293475850d0bSmajd@mellanox.com kvfree(in); 293575850d0bSmajd@mellanox.com 293675850d0bSmajd@mellanox.com return err; 293775850d0bSmajd@mellanox.com } 293875850d0bSmajd@mellanox.com 293913eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 29401cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 29411cd6dbd3SYishai Hadas struct ib_pd *pd) 294213eab21fSAviv Heller { 294313eab21fSAviv Heller void *in; 294413eab21fSAviv Heller void *tisc; 294513eab21fSAviv Heller int inlen; 294613eab21fSAviv Heller int err; 294713eab21fSAviv Heller 294813eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29491b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 295013eab21fSAviv Heller if (!in) 295113eab21fSAviv Heller return -ENOMEM; 295213eab21fSAviv Heller 295313eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 29541cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 295513eab21fSAviv Heller 295613eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 295713eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 295813eab21fSAviv Heller 2959e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 296013eab21fSAviv Heller 296113eab21fSAviv Heller kvfree(in); 296213eab21fSAviv Heller 296313eab21fSAviv Heller return err; 296413eab21fSAviv Heller } 296513eab21fSAviv Heller 296675850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 296790898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2968e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2969f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2970f879ee8dSAchiad Shochat bool alt) 2971e126ba97SEli Cohen { 2972d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2973e126ba97SEli Cohen int err; 2974ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2975d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2976d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2977e126ba97SEli Cohen 2978e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2979f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2980f879ee8dSAchiad Shochat attr->pkey_index); 2981e126ba97SEli Cohen 2982d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2983d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2984938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2985f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2986d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2987938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2988f83b4263SEli Cohen return -EINVAL; 2989f83b4263SEli Cohen } 29902811ba51SAchiad Shochat } 299144c58487SDasaratharaman Chandramouli 299244c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2993d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 29942811ba51SAchiad Shochat return -EINVAL; 299547ec3866SParav Pandit 299644c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 29972b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 29982b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 29992b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 30002b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 300147ec3866SParav Pandit path->udp_sport = 300247ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 3003d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 300447ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3005ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3006d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 30072811ba51SAchiad Shochat } else { 3008d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 3009d3ae2bdeSNoa Osherovich path->fl_free_ar |= 3010d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 3011d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 3012d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 3013d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 3014e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 3015d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 30162811ba51SAchiad Shochat } 30172811ba51SAchiad Shochat 3018d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3019d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 3020d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 3021e126ba97SEli Cohen path->tclass_flowlabel = 3022d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 3023d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 3024d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 3025e126ba97SEli Cohen } 3026e126ba97SEli Cohen 3027d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3028e126ba97SEli Cohen if (err < 0) 3029e126ba97SEli Cohen return err; 3030e126ba97SEli Cohen path->static_rate = err; 3031e126ba97SEli Cohen path->port = port; 3032e126ba97SEli Cohen 3033e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3034f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 3035e126ba97SEli Cohen 303675850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 303775850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 303875850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 30391cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 304075850d0bSmajd@mellanox.com 3041e126ba97SEli Cohen return 0; 3042e126ba97SEli Cohen } 3043e126ba97SEli Cohen 3044e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3045e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3046e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3047e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3048e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3049e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3050e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3051e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3052e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3053e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3054e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3055e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3056e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3057e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 30588f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 30598f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30608f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30618f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 30628f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PRI_PORT, 3063e126ba97SEli Cohen }, 3064e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3065e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3066e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3067e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3068e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3069e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3070e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3071e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3072e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3073e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3074e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3075e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3076e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3077a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3078a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3079a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3080a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3081a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3082e126ba97SEli Cohen }, 3083e126ba97SEli Cohen }, 3084e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3085e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3086e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3087e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3088e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3089e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3090e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3091e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3092e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3093e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3094e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3095e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 30968f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 30978f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 30988f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30998f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31008f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31018f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3102e126ba97SEli Cohen }, 3103e126ba97SEli Cohen }, 3104e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3105e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3106e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3107e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3108e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3109e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3110c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3111c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3112e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3113c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3114c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3115e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3116e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3117e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 31188f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 31198f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31208f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31218f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 31228f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31238f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3124e126ba97SEli Cohen }, 3125e126ba97SEli Cohen }, 3126e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3127e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3128e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3129e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 313075959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3131a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3132a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3133a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3134a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 31358f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 31368f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31378f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31388f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3139e126ba97SEli Cohen }, 3140e126ba97SEli Cohen }, 3141e126ba97SEli Cohen }; 3142e126ba97SEli Cohen 3143e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3144e126ba97SEli Cohen { 3145e126ba97SEli Cohen switch (ib_mask) { 3146e126ba97SEli Cohen case IB_QP_STATE: 3147e126ba97SEli Cohen return 0; 3148e126ba97SEli Cohen case IB_QP_CUR_STATE: 3149e126ba97SEli Cohen return 0; 3150e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3151e126ba97SEli Cohen return 0; 3152e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3153e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3154e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3155e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3156e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3157e126ba97SEli Cohen case IB_QP_PORT: 3158e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3159e126ba97SEli Cohen case IB_QP_QKEY: 3160e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3161e126ba97SEli Cohen case IB_QP_AV: 3162e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3163e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3164e126ba97SEli Cohen case IB_QP_PATH_MTU: 3165e126ba97SEli Cohen return 0; 3166e126ba97SEli Cohen case IB_QP_TIMEOUT: 3167e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3168e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3169e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3170e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3171e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3172e126ba97SEli Cohen case IB_QP_RQ_PSN: 3173e126ba97SEli Cohen return 0; 3174e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3175e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3176e126ba97SEli Cohen case IB_QP_ALT_PATH: 3177e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3178e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3179e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3180e126ba97SEli Cohen case IB_QP_SQ_PSN: 3181e126ba97SEli Cohen return 0; 3182e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3183e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3184e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3185e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3186e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3187e126ba97SEli Cohen case IB_QP_CAP: 3188e126ba97SEli Cohen return 0; 3189e126ba97SEli Cohen case IB_QP_DEST_QPN: 3190e126ba97SEli Cohen return 0; 3191e126ba97SEli Cohen } 3192e126ba97SEli Cohen return 0; 3193e126ba97SEli Cohen } 3194e126ba97SEli Cohen 3195e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3196e126ba97SEli Cohen { 3197e126ba97SEli Cohen int result = 0; 3198e126ba97SEli Cohen int i; 3199e126ba97SEli Cohen 3200e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3201e126ba97SEli Cohen if ((1 << i) & ib_mask) 3202e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3203e126ba97SEli Cohen } 3204e126ba97SEli Cohen 3205e126ba97SEli Cohen return result; 3206e126ba97SEli Cohen } 3207e126ba97SEli Cohen 320834d57585SYishai Hadas static int modify_raw_packet_qp_rq( 320934d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 321034d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3211ad5f8e96Smajd@mellanox.com { 3212ad5f8e96Smajd@mellanox.com void *in; 3213ad5f8e96Smajd@mellanox.com void *rqc; 3214ad5f8e96Smajd@mellanox.com int inlen; 3215ad5f8e96Smajd@mellanox.com int err; 3216ad5f8e96Smajd@mellanox.com 3217ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 32181b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3219ad5f8e96Smajd@mellanox.com if (!in) 3220ad5f8e96Smajd@mellanox.com return -ENOMEM; 3221ad5f8e96Smajd@mellanox.com 3222ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 322334d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3224ad5f8e96Smajd@mellanox.com 3225ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3226ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3227ad5f8e96Smajd@mellanox.com 3228eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3229eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3230eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 323123a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3232eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3233eb49ab0cSAlex Vesker } else 32345a738b5dSJason Gunthorpe dev_info_once( 32355a738b5dSJason Gunthorpe &dev->ib_dev.dev, 32365a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3237eb49ab0cSAlex Vesker } 3238eb49ab0cSAlex Vesker 3239e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3240ad5f8e96Smajd@mellanox.com if (err) 3241ad5f8e96Smajd@mellanox.com goto out; 3242ad5f8e96Smajd@mellanox.com 3243ad5f8e96Smajd@mellanox.com rq->state = new_state; 3244ad5f8e96Smajd@mellanox.com 3245ad5f8e96Smajd@mellanox.com out: 3246ad5f8e96Smajd@mellanox.com kvfree(in); 3247ad5f8e96Smajd@mellanox.com return err; 3248ad5f8e96Smajd@mellanox.com } 3249ad5f8e96Smajd@mellanox.com 3250c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3251c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3252c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3253ad5f8e96Smajd@mellanox.com { 32547d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 325561147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 325661147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 325761147f39SBodong Wang bool new_rate_added = false; 32587d29f349SBodong Wang u16 rl_index = 0; 3259ad5f8e96Smajd@mellanox.com void *in; 3260ad5f8e96Smajd@mellanox.com void *sqc; 3261ad5f8e96Smajd@mellanox.com int inlen; 3262ad5f8e96Smajd@mellanox.com int err; 3263ad5f8e96Smajd@mellanox.com 3264ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 32651b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3266ad5f8e96Smajd@mellanox.com if (!in) 3267ad5f8e96Smajd@mellanox.com return -ENOMEM; 3268ad5f8e96Smajd@mellanox.com 3269c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3270ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3271ad5f8e96Smajd@mellanox.com 3272ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3273ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3274ad5f8e96Smajd@mellanox.com 32757d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 32767d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 32777d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 32787d29f349SBodong Wang __func__); 32797d29f349SBodong Wang else 328061147f39SBodong Wang new_rl = raw_qp_param->rl; 32817d29f349SBodong Wang } 3282ad5f8e96Smajd@mellanox.com 328361147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 328461147f39SBodong Wang if (new_rl.rate) { 328561147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 32867d29f349SBodong Wang if (err) { 328761147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 328861147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 328961147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 329061147f39SBodong Wang new_rl.typical_pkt_sz); 329161147f39SBodong Wang 32927d29f349SBodong Wang goto out; 32937d29f349SBodong Wang } 329461147f39SBodong Wang new_rate_added = true; 32957d29f349SBodong Wang } 32967d29f349SBodong Wang 32977d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 329861147f39SBodong Wang /* index 0 means no limit */ 32997d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 33007d29f349SBodong Wang } 33017d29f349SBodong Wang 3302e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 33037d29f349SBodong Wang if (err) { 33047d29f349SBodong Wang /* Remove new rate from table if failed */ 330561147f39SBodong Wang if (new_rate_added) 330661147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 33077d29f349SBodong Wang goto out; 33087d29f349SBodong Wang } 33097d29f349SBodong Wang 33107d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3311c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3312c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 331361147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3314c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3315c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3316c8973df2SRafi Wiener } 33177d29f349SBodong Wang 331861147f39SBodong Wang ibqp->rl = new_rl; 3319ad5f8e96Smajd@mellanox.com sq->state = new_state; 3320ad5f8e96Smajd@mellanox.com 3321ad5f8e96Smajd@mellanox.com out: 3322ad5f8e96Smajd@mellanox.com kvfree(in); 3323ad5f8e96Smajd@mellanox.com return err; 3324ad5f8e96Smajd@mellanox.com } 3325ad5f8e96Smajd@mellanox.com 3326ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 332713eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 332813eab21fSAviv Heller u8 tx_affinity) 3329ad5f8e96Smajd@mellanox.com { 3330ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3331ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3332ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 33337d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 33347d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3335ad5f8e96Smajd@mellanox.com int rq_state; 3336ad5f8e96Smajd@mellanox.com int sq_state; 3337ad5f8e96Smajd@mellanox.com int err; 3338ad5f8e96Smajd@mellanox.com 33390680efa2SAlex Vesker switch (raw_qp_param->operation) { 3340ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3341ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3342ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3343ad5f8e96Smajd@mellanox.com break; 3344ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3345ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3346ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3347ad5f8e96Smajd@mellanox.com break; 3348ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3349ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3350ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3351ad5f8e96Smajd@mellanox.com break; 3352ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3353ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 33547d29f349SBodong Wang if (raw_qp_param->set_mask == 33557d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 33567d29f349SBodong Wang modify_rq = 0; 33577d29f349SBodong Wang sq_state = sq->state; 33587d29f349SBodong Wang } else { 33597d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 33607d29f349SBodong Wang } 33617d29f349SBodong Wang break; 33627d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 33637d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3364eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3365eb49ab0cSAlex Vesker return -EINVAL; 3366eb49ab0cSAlex Vesker else 3367ad5f8e96Smajd@mellanox.com return 0; 3368ad5f8e96Smajd@mellanox.com default: 3369ad5f8e96Smajd@mellanox.com WARN_ON(1); 3370ad5f8e96Smajd@mellanox.com return -EINVAL; 3371ad5f8e96Smajd@mellanox.com } 3372ad5f8e96Smajd@mellanox.com 33737d29f349SBodong Wang if (modify_rq) { 337434d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 337534d57585SYishai Hadas qp->ibqp.pd); 3376ad5f8e96Smajd@mellanox.com if (err) 3377ad5f8e96Smajd@mellanox.com return err; 3378ad5f8e96Smajd@mellanox.com } 3379ad5f8e96Smajd@mellanox.com 33807d29f349SBodong Wang if (modify_sq) { 3381d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3382d5ed8ac3SMark Bloch 338313eab21fSAviv Heller if (tx_affinity) { 338413eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 33851cd6dbd3SYishai Hadas tx_affinity, 33861cd6dbd3SYishai Hadas qp->ibqp.pd); 338713eab21fSAviv Heller if (err) 338813eab21fSAviv Heller return err; 338913eab21fSAviv Heller } 339013eab21fSAviv Heller 3391d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3392d5ed8ac3SMark Bloch raw_qp_param->port); 3393d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 33941db86318SColin Ian King return PTR_ERR(flow_rule); 3395d5ed8ac3SMark Bloch 3396d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3397c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3398d5ed8ac3SMark Bloch if (err) { 3399d5ed8ac3SMark Bloch if (flow_rule) 3400d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3401d5ed8ac3SMark Bloch return err; 3402d5ed8ac3SMark Bloch } 3403d5ed8ac3SMark Bloch 3404d5ed8ac3SMark Bloch if (flow_rule) { 3405d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3406d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3407d5ed8ac3SMark Bloch } 3408d5ed8ac3SMark Bloch 3409d5ed8ac3SMark Bloch return err; 341013eab21fSAviv Heller } 3411ad5f8e96Smajd@mellanox.com 3412ad5f8e96Smajd@mellanox.com return 0; 3413ad5f8e96Smajd@mellanox.com } 3414ad5f8e96Smajd@mellanox.com 3415c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3416c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3417c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 341889944450SShamir Rabinovitch u8 port_num, struct ib_udata *udata) 3419c6a21c38SMajd Dibbiny { 342089944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 342189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 3422c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3423c6a21c38SMajd Dibbiny 3424c6a21c38SMajd Dibbiny if (ucontext) { 3425c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3426c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3427c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3428c6a21c38SMajd Dibbiny 1; 3429c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3430c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3431c6a21c38SMajd Dibbiny } else { 3432c6a21c38SMajd Dibbiny tx_port_affinity = 3433c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 343495579e78SMark Bloch 1, &dev->port[port_num].roce.tx_port_affinity) % 3435c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3436c6a21c38SMajd Dibbiny 1; 3437c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3438c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3439c6a21c38SMajd Dibbiny } 3440c6a21c38SMajd Dibbiny 3441c6a21c38SMajd Dibbiny return tx_port_affinity; 3442c6a21c38SMajd Dibbiny } 3443c6a21c38SMajd Dibbiny 3444d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3445d14133ddSMark Zhang struct rdma_counter *counter) 3446d14133ddSMark Zhang { 3447d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 3448d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3449d14133ddSMark Zhang struct mlx5_qp_context context = {}; 3450d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3451d14133ddSMark Zhang u32 set_id; 3452d14133ddSMark Zhang 34533e1f000fSParav Pandit if (counter) 3454d14133ddSMark Zhang set_id = counter->id; 34553e1f000fSParav Pandit else 34563e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3457d14133ddSMark Zhang 3458d14133ddSMark Zhang base = &mqp->trans_qp.base; 3459d14133ddSMark Zhang context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); 3460d14133ddSMark Zhang context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); 3461333fbaa0SLeon Romanovsky return mlx5_core_qp_modify(dev, MLX5_CMD_OP_RTS2RTS_QP, 3462333fbaa0SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID, &context, 3463333fbaa0SLeon Romanovsky &base->mqp); 3464d14133ddSMark Zhang } 3465d14133ddSMark Zhang 3466e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3467e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 346889944450SShamir Rabinovitch enum ib_qp_state cur_state, 346989944450SShamir Rabinovitch enum ib_qp_state new_state, 347089944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 347189944450SShamir Rabinovitch struct ib_udata *udata) 3472e126ba97SEli Cohen { 3473427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3474427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3475427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3476427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3477427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3478427c1e7bSmajd@mellanox.com }, 3479427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3480427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3481427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3482427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3483427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3484427c1e7bSmajd@mellanox.com }, 3485427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3486427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3487427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3488427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3489427c1e7bSmajd@mellanox.com }, 3490427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3491427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3492427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3493427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3494427c1e7bSmajd@mellanox.com }, 3495427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3496427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3497427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3498427c1e7bSmajd@mellanox.com }, 3499427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3500427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3501427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3502427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3503427c1e7bSmajd@mellanox.com }, 3504427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3505427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3506427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3507427c1e7bSmajd@mellanox.com } 3508427c1e7bSmajd@mellanox.com }; 3509427c1e7bSmajd@mellanox.com 3510e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3511e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 351219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3513e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3514e126ba97SEli Cohen struct mlx5_qp_context *context; 3515e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3516e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3517e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3518d14133ddSMark Zhang u32 set_id = 0; 3519e126ba97SEli Cohen int mlx5_st; 3520e126ba97SEli Cohen int err; 3521427c1e7bSmajd@mellanox.com u16 op; 352213eab21fSAviv Heller u8 tx_affinity = 0; 3523e126ba97SEli Cohen 352455de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 352555de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 352655de9a77SLeon Romanovsky if (mlx5_st < 0) 352755de9a77SLeon Romanovsky return -EINVAL; 352855de9a77SLeon Romanovsky 35291a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 35301a412fb1SSaeed Mahameed if (!context) 3531e126ba97SEli Cohen return -ENOMEM; 3532e126ba97SEli Cohen 3533c6a21c38SMajd Dibbiny pd = get_pd(qp); 353455de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3535e126ba97SEli Cohen 3536e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3537e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3538e126ba97SEli Cohen } else { 3539e126ba97SEli Cohen switch (attr->path_mig_state) { 3540e126ba97SEli Cohen case IB_MIG_MIGRATED: 3541e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3542e126ba97SEli Cohen break; 3543e126ba97SEli Cohen case IB_MIG_REARM: 3544e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3545e126ba97SEli Cohen break; 3546e126ba97SEli Cohen case IB_MIG_ARMED: 3547e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3548e126ba97SEli Cohen break; 3549e126ba97SEli Cohen } 3550e126ba97SEli Cohen } 3551e126ba97SEli Cohen 355213eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 355313eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 355413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 35552be08c30SLeon Romanovsky !(qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1)) || 355613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 355713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 355813eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 355913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 35607c34ec19SAviv Heller if (dev->lag_active) { 356195579e78SMark Bloch u8 p = mlx5_core_native_port_num(dev->mdev) - 1; 356289944450SShamir Rabinovitch tx_affinity = get_tx_affinity(dev, pd, base, p, 356389944450SShamir Rabinovitch udata); 356413eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 356513eab21fSAviv Heller } 356613eab21fSAviv Heller } 356713eab21fSAviv Heller } 356813eab21fSAviv Heller 3569d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3570e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3571c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 35722be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3573e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3574e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3575e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3576e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3577e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3578e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3579e126ba97SEli Cohen err = -EINVAL; 3580e126ba97SEli Cohen goto out; 3581e126ba97SEli Cohen } 3582938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3583938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3584e126ba97SEli Cohen } 3585e126ba97SEli Cohen 3586e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3587e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3588e126ba97SEli Cohen 3589e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3590d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3591e126ba97SEli Cohen 3592e126ba97SEli Cohen /* todo implement counter_index functionality */ 3593e126ba97SEli Cohen 3594e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3595e126ba97SEli Cohen context->pri_path.port = qp->port; 3596e126ba97SEli Cohen 3597e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3598e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3599e126ba97SEli Cohen 3600e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 360175850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3602e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3603f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3604e126ba97SEli Cohen if (err) 3605e126ba97SEli Cohen goto out; 3606e126ba97SEli Cohen } 3607e126ba97SEli Cohen 3608e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3609e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3610e126ba97SEli Cohen 3611e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 361275850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 361375850d0bSmajd@mellanox.com &context->alt_path, 3614f879ee8dSAchiad Shochat attr->alt_port_num, 3615f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3616f879ee8dSAchiad Shochat 0, attr, true); 3617e126ba97SEli Cohen if (err) 3618e126ba97SEli Cohen goto out; 3619e126ba97SEli Cohen } 3620e126ba97SEli Cohen 362189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 362289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3623e126ba97SEli Cohen 3624e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3625e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3626e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3627e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3628e126ba97SEli Cohen 3629e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3630e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3631e126ba97SEli Cohen 3632e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3633e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3634e126ba97SEli Cohen 3635e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3636e126ba97SEli Cohen if (attr->max_rd_atomic) 3637e126ba97SEli Cohen context->params1 |= 3638e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3639e126ba97SEli Cohen } 3640e126ba97SEli Cohen 3641e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3642e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3643e126ba97SEli Cohen 3644e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3645e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3646e126ba97SEli Cohen context->params2 |= 3647e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3648e126ba97SEli Cohen } 3649e126ba97SEli Cohen 3650a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3651bf3b4f06SBart Van Assche __be32 access_flags; 3652a60109dcSYonatan Cohen 3653a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3654a60109dcSYonatan Cohen if (err) 3655a60109dcSYonatan Cohen goto out; 3656a60109dcSYonatan Cohen 3657a60109dcSYonatan Cohen context->params2 |= access_flags; 3658a60109dcSYonatan Cohen } 3659e126ba97SEli Cohen 3660e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3661e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3662e126ba97SEli Cohen 3663e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3664e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3665e126ba97SEli Cohen 3666e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3667e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3668e126ba97SEli Cohen 3669e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3670e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3671e126ba97SEli Cohen 36720837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 36730837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 36740837e86aSMark Bloch qp->port) - 1; 3675c2e53b2cSYishai Hadas 3676c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 36772be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 3678c2e53b2cSYishai Hadas port_num = 0; 3679c2e53b2cSYishai Hadas 3680d14133ddSMark Zhang if (ibqp->counter) 3681d14133ddSMark Zhang set_id = ibqp->counter->id; 3682d14133ddSMark Zhang else 36833e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 36840837e86aSMark Bloch context->qp_counter_set_usr_page |= 3685d14133ddSMark Zhang cpu_to_be32(set_id << 24); 36860837e86aSMark Bloch } 36870837e86aSMark Bloch 3688e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3689e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3690e126ba97SEli Cohen 36912be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3692b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3693e126ba97SEli Cohen 3694e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3695e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3696e126ba97SEli Cohen 3697427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 36985d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 36995d414b17SDan Carpenter err = -EINVAL; 3700427c1e7bSmajd@mellanox.com goto out; 37015d414b17SDan Carpenter } 3702427c1e7bSmajd@mellanox.com 3703427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3704e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3705e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3706ad5f8e96Smajd@mellanox.com 3707c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 37082be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 37090680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 37100680efa2SAlex Vesker 37110680efa2SAlex Vesker raw_qp_param.operation = op; 3712eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3713d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3714eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3715eb49ab0cSAlex Vesker } 37167d29f349SBodong Wang 3717d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3718d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3719d5ed8ac3SMark Bloch 37207d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 372161147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 372261147f39SBodong Wang 372361147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 372461147f39SBodong Wang if (attr->rate_limit && 372561147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 372661147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 372761147f39SBodong Wang ucmd->burst_info.max_burst_sz; 372861147f39SBodong Wang } else { 372961147f39SBodong Wang err = -EINVAL; 373061147f39SBodong Wang goto out; 373161147f39SBodong Wang } 373261147f39SBodong Wang } 373361147f39SBodong Wang 373461147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 373561147f39SBodong Wang if (attr->rate_limit && 373661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 373761147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 373861147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 373961147f39SBodong Wang } else { 374061147f39SBodong Wang err = -EINVAL; 374161147f39SBodong Wang goto out; 374261147f39SBodong Wang } 374361147f39SBodong Wang } 374461147f39SBodong Wang 37457d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 37467d29f349SBodong Wang } 37477d29f349SBodong Wang 374813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 37490680efa2SAlex Vesker } else { 3750333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, context, &base->mqp); 37510680efa2SAlex Vesker } 37520680efa2SAlex Vesker 3753e126ba97SEli Cohen if (err) 3754e126ba97SEli Cohen goto out; 3755e126ba97SEli Cohen 3756e126ba97SEli Cohen qp->state = new_state; 3757e126ba97SEli Cohen 3758e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 375919098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3760e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 376119098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3762e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3763e126ba97SEli Cohen qp->port = attr->port_num; 3764e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 376519098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3766e126ba97SEli Cohen 3767e126ba97SEli Cohen /* 3768e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3769e126ba97SEli Cohen * entries and reinitialize the QP. 3770e126ba97SEli Cohen */ 377175a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 377275a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 377319098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3774e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3775e126ba97SEli Cohen if (send_cq != recv_cq) 377619098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3777e126ba97SEli Cohen 3778e126ba97SEli Cohen qp->rq.head = 0; 3779e126ba97SEli Cohen qp->rq.tail = 0; 3780e126ba97SEli Cohen qp->sq.head = 0; 3781e126ba97SEli Cohen qp->sq.tail = 0; 3782e126ba97SEli Cohen qp->sq.cur_post = 0; 378334f4c955SGuy Levi if (qp->sq.wqe_cnt) 378434f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3785950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 3786e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3787e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3788e126ba97SEli Cohen } 3789e126ba97SEli Cohen 3790d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 3791d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 3792d14133ddSMark Zhang if (!err) 3793d14133ddSMark Zhang qp->counter_pending = 0; 3794d14133ddSMark Zhang } 3795d14133ddSMark Zhang 3796e126ba97SEli Cohen out: 37971a412fb1SSaeed Mahameed kfree(context); 3798e126ba97SEli Cohen return err; 3799e126ba97SEli Cohen } 3800e126ba97SEli Cohen 3801c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3802c32a4f29SMoni Shoua { 3803c32a4f29SMoni Shoua if ((mask & req) != req) 3804c32a4f29SMoni Shoua return false; 3805c32a4f29SMoni Shoua 3806c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3807c32a4f29SMoni Shoua return false; 3808c32a4f29SMoni Shoua 3809c32a4f29SMoni Shoua return true; 3810c32a4f29SMoni Shoua } 3811c32a4f29SMoni Shoua 3812c32a4f29SMoni Shoua /* check valid transition for driver QP types 3813c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3814c32a4f29SMoni Shoua */ 3815c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3816c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3817c32a4f29SMoni Shoua { 3818c32a4f29SMoni Shoua int req = IB_QP_STATE; 3819c32a4f29SMoni Shoua int opt = 0; 3820c32a4f29SMoni Shoua 382199ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 382299ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 382399ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3824c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3825c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3826c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3827c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3828c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3829c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3830c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 38315ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3832c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3833c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3834c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3835c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3836c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3837c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3838c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3839c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3840c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3841c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3842c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3843c32a4f29SMoni Shoua } 3844c32a4f29SMoni Shoua return false; 3845c32a4f29SMoni Shoua } 3846c32a4f29SMoni Shoua 3847776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3848776a3906SMoni Shoua * valid transitions are: 3849776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3850776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3851776a3906SMoni Shoua * mtu, gid_index and hop_limit 3852776a3906SMoni Shoua * Other transitions and attributes are illegal 3853776a3906SMoni Shoua */ 3854776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3855776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3856776a3906SMoni Shoua { 3857776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3858776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3859776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3860776a3906SMoni Shoua int err = 0; 3861776a3906SMoni Shoua int required = IB_QP_STATE; 3862776a3906SMoni Shoua void *dctc; 3863776a3906SMoni Shoua 3864776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3865776a3906SMoni Shoua return -EINVAL; 3866776a3906SMoni Shoua 3867776a3906SMoni Shoua cur_state = qp->state; 3868776a3906SMoni Shoua new_state = attr->qp_state; 3869776a3906SMoni Shoua 3870776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3871776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 38723e1f000fSParav Pandit u16 set_id; 38733e1f000fSParav Pandit 3874776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3875776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3876776a3906SMoni Shoua return -EINVAL; 3877776a3906SMoni Shoua 3878776a3906SMoni Shoua if (attr->port_num == 0 || 3879776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3880776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3881776a3906SMoni Shoua attr->port_num, dev->num_ports); 3882776a3906SMoni Shoua return -EINVAL; 3883776a3906SMoni Shoua } 3884776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3885776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3886776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3887776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3888776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3889a60109dcSYonatan Cohen int atomic_mode; 3890a60109dcSYonatan Cohen 3891a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3892a60109dcSYonatan Cohen if (atomic_mode < 0) 3893776a3906SMoni Shoua return -EOPNOTSUPP; 3894a60109dcSYonatan Cohen 3895a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3896776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3897776a3906SMoni Shoua } 3898776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3899776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 39003e1f000fSParav Pandit 39013e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 39023e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 3903776a3906SMoni Shoua 3904776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3905776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3906c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 3907776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3908776a3906SMoni Shoua sizeof(resp.dctn); 3909776a3906SMoni Shoua 3910776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3911776a3906SMoni Shoua return -EINVAL; 3912776a3906SMoni Shoua resp.response_length = min_resp_len; 3913776a3906SMoni Shoua 3914776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3915776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3916776a3906SMoni Shoua return -EINVAL; 3917776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3918776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3919776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3920776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3921776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3922776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3923776a3906SMoni Shoua 3924333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 3925c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 3926c5ae1954SYishai Hadas sizeof(out)); 3927776a3906SMoni Shoua if (err) 3928776a3906SMoni Shoua return err; 3929776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3930776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3931776a3906SMoni Shoua if (err) { 3932333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 3933776a3906SMoni Shoua return err; 3934776a3906SMoni Shoua } 3935776a3906SMoni Shoua } else { 3936776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3937776a3906SMoni Shoua return -EINVAL; 3938776a3906SMoni Shoua } 3939776a3906SMoni Shoua if (err) 3940776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3941776a3906SMoni Shoua else 3942776a3906SMoni Shoua qp->state = new_state; 3943776a3906SMoni Shoua return err; 3944776a3906SMoni Shoua } 3945776a3906SMoni Shoua 3946e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3947e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3948e126ba97SEli Cohen { 3949e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3950e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 395161147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3952d16e91daSHaggai Eran enum ib_qp_type qp_type; 3953e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 395461147f39SBodong Wang size_t required_cmd_sz; 3955e126ba97SEli Cohen int err = -EINVAL; 3956e126ba97SEli Cohen int port; 3957e126ba97SEli Cohen 395828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 395928d61370SYishai Hadas return -ENOSYS; 396028d61370SYishai Hadas 396161147f39SBodong Wang if (udata && udata->inlen) { 396261147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 396361147f39SBodong Wang sizeof(ucmd.reserved); 396461147f39SBodong Wang if (udata->inlen < required_cmd_sz) 396561147f39SBodong Wang return -EINVAL; 396661147f39SBodong Wang 396761147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 396861147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 396961147f39SBodong Wang udata->inlen - sizeof(ucmd))) 397061147f39SBodong Wang return -EOPNOTSUPP; 397161147f39SBodong Wang 397261147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 397361147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 397461147f39SBodong Wang return -EFAULT; 397561147f39SBodong Wang 397661147f39SBodong Wang if (ucmd.comp_mask || 397761147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 397861147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 397961147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 398061147f39SBodong Wang return -EOPNOTSUPP; 398161147f39SBodong Wang } 398261147f39SBodong Wang 3983d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3984d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3985d16e91daSHaggai Eran 3986c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3987c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3988c32a4f29SMoni Shoua else 3989d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3990d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3991d16e91daSHaggai Eran 3992776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3993776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3994c32a4f29SMoni Shoua 3995e126ba97SEli Cohen mutex_lock(&qp->mutex); 3996e126ba97SEli Cohen 3997e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3998e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3999e126ba97SEli Cohen 40002811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 40012811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 40022811ba51SAchiad Shochat } 40032811ba51SAchiad Shochat 40042be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4005c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4006c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4007c2e53b2cSYishai Hadas attr_mask); 4008c2e53b2cSYishai Hadas goto out; 4009c2e53b2cSYishai Hadas } 4010c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4011c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4012d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4013d31131bbSKamal Heib attr_mask)) { 4014158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4015158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4016e126ba97SEli Cohen goto out; 4017c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4018c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4019c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4020c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4021c32a4f29SMoni Shoua goto out; 4022158abf86SHaggai Eran } 4023e126ba97SEli Cohen 4024e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4025938fe83cSSaeed Mahameed (attr->port_num == 0 || 4026508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4027158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4028158abf86SHaggai Eran attr->port_num, dev->num_ports); 4029e126ba97SEli Cohen goto out; 4030158abf86SHaggai Eran } 4031e126ba97SEli Cohen 4032e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4033e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4034938fe83cSSaeed Mahameed if (attr->pkey_index >= 4035158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4036158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4037158abf86SHaggai Eran attr->pkey_index); 4038e126ba97SEli Cohen goto out; 4039e126ba97SEli Cohen } 4040158abf86SHaggai Eran } 4041e126ba97SEli Cohen 4042e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4043938fe83cSSaeed Mahameed attr->max_rd_atomic > 4044158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4045158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4046158abf86SHaggai Eran attr->max_rd_atomic); 4047e126ba97SEli Cohen goto out; 4048158abf86SHaggai Eran } 4049e126ba97SEli Cohen 4050e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4051938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4052158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4053158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4054158abf86SHaggai Eran attr->max_dest_rd_atomic); 4055e126ba97SEli Cohen goto out; 4056158abf86SHaggai Eran } 4057e126ba97SEli Cohen 4058e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4059e126ba97SEli Cohen err = 0; 4060e126ba97SEli Cohen goto out; 4061e126ba97SEli Cohen } 4062e126ba97SEli Cohen 406361147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 406489944450SShamir Rabinovitch new_state, &ucmd, udata); 4065e126ba97SEli Cohen 4066e126ba97SEli Cohen out: 4067e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4068e126ba97SEli Cohen return err; 4069e126ba97SEli Cohen } 4070e126ba97SEli Cohen 407134f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 407234f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 407334f4c955SGuy Levi { 407434f4c955SGuy Levi u32 idx; 407534f4c955SGuy Levi 407634f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 407734f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 407834f4c955SGuy Levi 407934f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 408034f4c955SGuy Levi } 408134f4c955SGuy Levi 408234f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 408334f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 408434f4c955SGuy Levi * @sq - SQ buffer. 408534f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 408634f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 408734f4c955SGuy Levi * @cur_edge: Updated current edge. 408834f4c955SGuy Levi */ 408934f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 409034f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 409134f4c955SGuy Levi { 409234f4c955SGuy Levi if (likely(*seg != *cur_edge)) 409334f4c955SGuy Levi return; 409434f4c955SGuy Levi 409534f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 409634f4c955SGuy Levi } 409734f4c955SGuy Levi 409834f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 409934f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 410034f4c955SGuy Levi * @sq - SQ buffer. 410134f4c955SGuy Levi * @cur_edge: Updated current edge. 410234f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 410334f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 410434f4c955SGuy Levi * @src: Pointer to copy from. 410534f4c955SGuy Levi * @n: Number of bytes to copy. 410634f4c955SGuy Levi */ 410734f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 410834f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 410934f4c955SGuy Levi size_t n) 411034f4c955SGuy Levi { 411134f4c955SGuy Levi while (likely(n)) { 411234f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 411334f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 411434f4c955SGuy Levi size_t stride; 411534f4c955SGuy Levi 411634f4c955SGuy Levi memcpy(*seg, src, copysz); 411734f4c955SGuy Levi 411834f4c955SGuy Levi n -= copysz; 411934f4c955SGuy Levi src += copysz; 412034f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 412134f4c955SGuy Levi *seg += stride; 412234f4c955SGuy Levi *wqe_sz += stride >> 4; 412334f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 412434f4c955SGuy Levi } 412534f4c955SGuy Levi } 412634f4c955SGuy Levi 4127e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 4128e126ba97SEli Cohen { 4129e126ba97SEli Cohen struct mlx5_ib_cq *cq; 4130e126ba97SEli Cohen unsigned cur; 4131e126ba97SEli Cohen 4132e126ba97SEli Cohen cur = wq->head - wq->tail; 4133e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 4134e126ba97SEli Cohen return 0; 4135e126ba97SEli Cohen 4136e126ba97SEli Cohen cq = to_mcq(ib_cq); 4137e126ba97SEli Cohen spin_lock(&cq->lock); 4138e126ba97SEli Cohen cur = wq->head - wq->tail; 4139e126ba97SEli Cohen spin_unlock(&cq->lock); 4140e126ba97SEli Cohen 4141e126ba97SEli Cohen return cur + nreq >= wq->max_post; 4142e126ba97SEli Cohen } 4143e126ba97SEli Cohen 4144e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 4145e126ba97SEli Cohen u64 remote_addr, u32 rkey) 4146e126ba97SEli Cohen { 4147e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 4148e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 4149e126ba97SEli Cohen rseg->reserved = 0; 4150e126ba97SEli Cohen } 4151e126ba97SEli Cohen 415234f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 415334f4c955SGuy Levi void **seg, int *size, void **cur_edge) 4154f0313965SErez Shitrit { 415534f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 4156f0313965SErez Shitrit 4157f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 4158f0313965SErez Shitrit 4159f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 4160f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 4161f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 4162f0313965SErez Shitrit 4163f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 4164f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 416534f4c955SGuy Levi size_t left, copysz; 4166f0313965SErez Shitrit void *pdata = ud_wr->header; 416734f4c955SGuy Levi size_t stride; 4168f0313965SErez Shitrit 4169f0313965SErez Shitrit left = ud_wr->hlen; 4170f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 41712b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 4172f0313965SErez Shitrit 417334f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 417434f4c955SGuy Levi * first copy up to the current edge and then, if needed, 417534f4c955SGuy Levi * fall-through to memcpy_send_wqe. 4176f0313965SErez Shitrit */ 417734f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 417834f4c955SGuy Levi left); 417934f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 418034f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 418134f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 418234f4c955SGuy Levi *size += stride / 16; 418334f4c955SGuy Levi *seg += stride; 4184f0313965SErez Shitrit 418534f4c955SGuy Levi if (copysz < left) { 418634f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4187f0313965SErez Shitrit left -= copysz; 4188f0313965SErez Shitrit pdata += copysz; 418934f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 419034f4c955SGuy Levi left); 4191f0313965SErez Shitrit } 4192f0313965SErez Shitrit 419334f4c955SGuy Levi return; 419434f4c955SGuy Levi } 419534f4c955SGuy Levi 419634f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 419734f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 4198f0313965SErez Shitrit } 4199f0313965SErez Shitrit 4200e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 4201f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4202e126ba97SEli Cohen { 4203e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 4204e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 4205e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 4206e126ba97SEli Cohen } 4207e126ba97SEli Cohen 4208e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 4209e126ba97SEli Cohen { 4210e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 4211e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 4212e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 4213e126ba97SEli Cohen } 4214e126ba97SEli Cohen 421531616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 4216e126ba97SEli Cohen { 421731616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 421831616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 4219e126ba97SEli Cohen } 4220e126ba97SEli Cohen 4221841b07f9SMoni Shoua static __be64 frwr_mkey_mask(bool atomic) 4222e126ba97SEli Cohen { 4223e126ba97SEli Cohen u64 result; 4224e126ba97SEli Cohen 4225e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 4226e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 4227e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 4228e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 4229e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 4230e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 4231e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 4232e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 4233e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 4234e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 4235e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4236e126ba97SEli Cohen 4237841b07f9SMoni Shoua if (atomic) 4238841b07f9SMoni Shoua result |= MLX5_MKEY_MASK_A; 4239841b07f9SMoni Shoua 4240e126ba97SEli Cohen return cpu_to_be64(result); 4241e126ba97SEli Cohen } 4242e126ba97SEli Cohen 4243e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 4244e6631814SSagi Grimberg { 4245e6631814SSagi Grimberg u64 result; 4246e6631814SSagi Grimberg 4247e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 4248e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 4249e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 4250d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 4251e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 4252e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 4253e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 4254e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 4255e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 4256e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 4257e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 4258e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 4259e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 4260e6631814SSagi Grimberg 4261e6631814SSagi Grimberg return cpu_to_be64(result); 4262e6631814SSagi Grimberg } 4263e6631814SSagi Grimberg 42648a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 4265841b07f9SMoni Shoua struct mlx5_ib_mr *mr, u8 flags, bool atomic) 42668a187ee5SSagi Grimberg { 426738ca87c6SMax Gurtovoy int size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 42688a187ee5SSagi Grimberg 42698a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4270b005d316SSagi Grimberg 42719ac7c4bcSMax Gurtovoy umr->flags = flags; 427231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4273841b07f9SMoni Shoua umr->mkey_mask = frwr_mkey_mask(atomic); 42748a187ee5SSagi Grimberg } 42758a187ee5SSagi Grimberg 4276dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 4277e126ba97SEli Cohen { 4278e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 4279e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 42802d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 4281e126ba97SEli Cohen } 4282e126ba97SEli Cohen 428331616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 4284e126ba97SEli Cohen { 4285968e78ddSHaggai Eran u64 result; 4286e126ba97SEli Cohen 428731616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4288e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4289968e78ddSHaggai Eran 4290968e78ddSHaggai Eran return cpu_to_be64(result); 4291968e78ddSHaggai Eran } 4292968e78ddSHaggai Eran 429331616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4294968e78ddSHaggai Eran { 4295968e78ddSHaggai Eran u64 result; 4296968e78ddSHaggai Eran 4297968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4298968e78ddSHaggai Eran 4299968e78ddSHaggai Eran return cpu_to_be64(result); 4300968e78ddSHaggai Eran } 4301968e78ddSHaggai Eran 430256e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 430356e11d62SNoa Osherovich { 430456e11d62SNoa Osherovich u64 result; 430556e11d62SNoa Osherovich 430656e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 430756e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 430831616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 430956e11d62SNoa Osherovich 431056e11d62SNoa Osherovich return cpu_to_be64(result); 431156e11d62SNoa Osherovich } 431256e11d62SNoa Osherovich 431331616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 431456e11d62SNoa Osherovich { 431556e11d62SNoa Osherovich u64 result; 431656e11d62SNoa Osherovich 431731616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 431831616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 431956e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 432031616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 432131616255SArtemy Kovalyov 432231616255SArtemy Kovalyov if (atomic) 432331616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 432456e11d62SNoa Osherovich 432556e11d62SNoa Osherovich return cpu_to_be64(result); 432656e11d62SNoa Osherovich } 432756e11d62SNoa Osherovich 432856e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 432956e11d62SNoa Osherovich { 433056e11d62SNoa Osherovich u64 result; 433156e11d62SNoa Osherovich 433231616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 433356e11d62SNoa Osherovich 433456e11d62SNoa Osherovich return cpu_to_be64(result); 433556e11d62SNoa Osherovich } 433656e11d62SNoa Osherovich 4337c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4338c8d75a98SMajd Dibbiny { 4339c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4340c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4341c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4342c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4343c8d75a98SMajd Dibbiny return -EPERM; 4344c8d75a98SMajd Dibbiny return 0; 4345c8d75a98SMajd Dibbiny } 4346c8d75a98SMajd Dibbiny 4347c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4348c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4349f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4350968e78ddSHaggai Eran { 4351f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4352968e78ddSHaggai Eran 4353968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4354968e78ddSHaggai Eran 43556a053953SYishai Hadas if (!umrwr->ignore_free_state) { 4356968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 43576a053953SYishai Hadas /* fail if free */ 43586a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_FREE; 4359968e78ddSHaggai Eran else 43606a053953SYishai Hadas /* fail if not free */ 43616a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_NOT_FREE; 43626a053953SYishai Hadas } 4363968e78ddSHaggai Eran 436431616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 436531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 436631616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 436731616255SArtemy Kovalyov 436831616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 436931616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4370968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4371968e78ddSHaggai Eran } 437256e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 437356e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 437431616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 437531616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 437656e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4377e126ba97SEli Cohen } 437831616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 437931616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 438031616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 438131616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4382e126ba97SEli Cohen 4383e126ba97SEli Cohen if (!wr->num_sge) 4384968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4385c8d75a98SMajd Dibbiny 4386c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4387e126ba97SEli Cohen } 4388e126ba97SEli Cohen 4389e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4390e126ba97SEli Cohen { 4391e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4392e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4393e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4394e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 43952ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4396e126ba97SEli Cohen } 4397e126ba97SEli Cohen 43988a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 43998a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44008a187ee5SSagi Grimberg u32 key, int access) 44018a187ee5SSagi Grimberg { 440238ca87c6SMax Gurtovoy int ndescs = ALIGN(mr->ndescs + mr->meta_ndescs, 8) >> 1; 44038a187ee5SSagi Grimberg 44048a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4405b005d316SSagi Grimberg 4406ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4407b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4408ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4409b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4410b005d316SSagi Grimberg ndescs *= 2; 4411b005d316SSagi Grimberg 4412b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 44138a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 44148a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 44158a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 44168a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 44178a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 44188a187ee5SSagi Grimberg } 44198a187ee5SSagi Grimberg 4420dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4421e126ba97SEli Cohen { 4422e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4423968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4424e126ba97SEli Cohen } 4425e126ba97SEli Cohen 4426f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4427f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4428e126ba97SEli Cohen { 4429f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4430968e78ddSHaggai Eran 4431e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 443231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4433968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4434e126ba97SEli Cohen 4435968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 443656e11d62SNoa Osherovich if (umrwr->pd) 4437968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 443831616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 443931616255SArtemy Kovalyov !umrwr->length) 444031616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 444131616255SArtemy Kovalyov 444231616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4443968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4444968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4445746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4446968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4447e126ba97SEli Cohen } 4448e126ba97SEli Cohen 44498a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 44508a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44518a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 44528a187ee5SSagi Grimberg { 445338ca87c6SMax Gurtovoy int bcount = mr->desc_size * (mr->ndescs + mr->meta_ndescs); 44548a187ee5SSagi Grimberg 44558a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 44568a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 44578a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 44588a187ee5SSagi Grimberg } 44598a187ee5SSagi Grimberg 4460f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4461e126ba97SEli Cohen { 4462e126ba97SEli Cohen switch (wr->opcode) { 4463e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4464e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4465e126ba97SEli Cohen return wr->ex.imm_data; 4466e126ba97SEli Cohen 4467e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4468e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4469e126ba97SEli Cohen 4470e126ba97SEli Cohen default: 4471e126ba97SEli Cohen return 0; 4472e126ba97SEli Cohen } 4473e126ba97SEli Cohen } 4474e126ba97SEli Cohen 4475e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4476e126ba97SEli Cohen { 4477e126ba97SEli Cohen u8 *p = wqe; 4478e126ba97SEli Cohen u8 res = 0; 4479e126ba97SEli Cohen int i; 4480e126ba97SEli Cohen 4481e126ba97SEli Cohen for (i = 0; i < size; i++) 4482e126ba97SEli Cohen res ^= p[i]; 4483e126ba97SEli Cohen 4484e126ba97SEli Cohen return ~res; 4485e126ba97SEli Cohen } 4486e126ba97SEli Cohen 4487e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4488e126ba97SEli Cohen { 4489e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4490e126ba97SEli Cohen } 4491e126ba97SEli Cohen 4492f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 449334f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4494e126ba97SEli Cohen { 4495e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 449634f4c955SGuy Levi size_t offset; 4497e126ba97SEli Cohen int inl = 0; 4498e126ba97SEli Cohen int i; 4499e126ba97SEli Cohen 450034f4c955SGuy Levi seg = *wqe; 450134f4c955SGuy Levi *wqe += sizeof(*seg); 450234f4c955SGuy Levi offset = sizeof(*seg); 450334f4c955SGuy Levi 4504e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 450534f4c955SGuy Levi size_t len = wr->sg_list[i].length; 450634f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 450734f4c955SGuy Levi 4508e126ba97SEli Cohen inl += len; 4509e126ba97SEli Cohen 4510e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4511e126ba97SEli Cohen return -ENOMEM; 4512e126ba97SEli Cohen 451334f4c955SGuy Levi while (likely(len)) { 451434f4c955SGuy Levi size_t leftlen; 451534f4c955SGuy Levi size_t copysz; 451634f4c955SGuy Levi 451734f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 451834f4c955SGuy Levi *wqe_sz + (offset >> 4), 451934f4c955SGuy Levi cur_edge); 452034f4c955SGuy Levi 452134f4c955SGuy Levi leftlen = *cur_edge - *wqe; 452234f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 452334f4c955SGuy Levi 452434f4c955SGuy Levi memcpy(*wqe, addr, copysz); 452534f4c955SGuy Levi len -= copysz; 452634f4c955SGuy Levi addr += copysz; 452734f4c955SGuy Levi *wqe += copysz; 452834f4c955SGuy Levi offset += copysz; 4529e126ba97SEli Cohen } 4530e126ba97SEli Cohen } 4531e126ba97SEli Cohen 4532e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4533e126ba97SEli Cohen 453434f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4535e126ba97SEli Cohen 4536e126ba97SEli Cohen return 0; 4537e126ba97SEli Cohen } 4538e126ba97SEli Cohen 4539e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4540e6631814SSagi Grimberg { 4541e6631814SSagi Grimberg switch (type) { 4542e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4543e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4544e6631814SSagi Grimberg default: 4545e6631814SSagi Grimberg return 0; 4546e6631814SSagi Grimberg } 4547e6631814SSagi Grimberg } 4548e6631814SSagi Grimberg 4549e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4550e6631814SSagi Grimberg { 4551e6631814SSagi Grimberg switch (block_size) { 4552e6631814SSagi Grimberg case 512: return 0x1; 4553e6631814SSagi Grimberg case 520: return 0x2; 4554e6631814SSagi Grimberg case 4096: return 0x3; 4555e6631814SSagi Grimberg case 4160: return 0x4; 4556e6631814SSagi Grimberg case 1073741824: return 0x5; 4557e6631814SSagi Grimberg default: return 0; 4558e6631814SSagi Grimberg } 4559e6631814SSagi Grimberg } 4560e6631814SSagi Grimberg 456178eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4562142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4563e6631814SSagi Grimberg { 4564142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4565142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4566142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4567142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4568142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4569142537f4SSagi Grimberg /* repeating block */ 4570142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4571142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4572142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4573e6631814SSagi Grimberg 457478eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 457578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4576e6631814SSagi Grimberg 457778eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 457878eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 457978eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 458078eda2bbSSagi Grimberg else 458178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4582e6631814SSagi Grimberg } 4583e6631814SSagi Grimberg 458478eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 458578eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4586e6631814SSagi Grimberg } 4587e6631814SSagi Grimberg 4588e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4589e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4590e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4591e6631814SSagi Grimberg { 4592e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4593e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4594e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4595e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4596e6631814SSagi Grimberg 4597c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4598e6631814SSagi Grimberg 4599142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4600142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4601e6631814SSagi Grimberg /* Input domain check byte mask */ 4602e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 460378eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 460478eda2bbSSagi Grimberg 460578eda2bbSSagi Grimberg /* Memory domain */ 460678eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 460778eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 460878eda2bbSSagi Grimberg break; 460978eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 461078eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 461178eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 461278eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 461378eda2bbSSagi Grimberg break; 461478eda2bbSSagi Grimberg default: 461578eda2bbSSagi Grimberg return -EINVAL; 461678eda2bbSSagi Grimberg } 461778eda2bbSSagi Grimberg 461878eda2bbSSagi Grimberg /* Wire domain */ 461978eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 462078eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 462178eda2bbSSagi Grimberg break; 462278eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4623e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 462478eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4625e6631814SSagi Grimberg /* Same block structure */ 4626142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4627e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4628fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4629c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4630fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4631c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4632fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4633e6631814SSagi Grimberg } else 4634e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4635e6631814SSagi Grimberg 4636142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 463778eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4638e6631814SSagi Grimberg break; 4639e6631814SSagi Grimberg default: 4640e6631814SSagi Grimberg return -EINVAL; 4641e6631814SSagi Grimberg } 4642e6631814SSagi Grimberg 4643e6631814SSagi Grimberg return 0; 4644e6631814SSagi Grimberg } 4645e6631814SSagi Grimberg 464638ca87c6SMax Gurtovoy static int set_sig_data_segment(const struct ib_send_wr *send_wr, 464738ca87c6SMax Gurtovoy struct ib_mr *sig_mr, 464838ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs, 464938ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 465038ca87c6SMax Gurtovoy void **cur_edge) 4651e6631814SSagi Grimberg { 4652e6631814SSagi Grimberg struct mlx5_bsf *bsf; 465338ca87c6SMax Gurtovoy u32 data_len; 465438ca87c6SMax Gurtovoy u32 data_key; 465538ca87c6SMax Gurtovoy u64 data_va; 465638ca87c6SMax Gurtovoy u32 prot_len = 0; 465738ca87c6SMax Gurtovoy u32 prot_key = 0; 465838ca87c6SMax Gurtovoy u64 prot_va = 0; 465938ca87c6SMax Gurtovoy bool prot = false; 4660e6631814SSagi Grimberg int ret; 4661e6631814SSagi Grimberg int wqe_size; 466238ca87c6SMax Gurtovoy struct mlx5_ib_mr *mr = to_mmr(sig_mr); 466338ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = mr->pi_mr; 466438ca87c6SMax Gurtovoy 466538ca87c6SMax Gurtovoy data_len = pi_mr->data_length; 466638ca87c6SMax Gurtovoy data_key = pi_mr->ibmr.lkey; 46672563e2f3SMax Gurtovoy data_va = pi_mr->data_iova; 466838ca87c6SMax Gurtovoy if (pi_mr->meta_ndescs) { 466938ca87c6SMax Gurtovoy prot_len = pi_mr->meta_length; 467038ca87c6SMax Gurtovoy prot_key = pi_mr->ibmr.lkey; 4671de0ae958SIsrael Rukshin prot_va = pi_mr->pi_iova; 467238ca87c6SMax Gurtovoy prot = true; 467338ca87c6SMax Gurtovoy } 467438ca87c6SMax Gurtovoy 467538ca87c6SMax Gurtovoy if (!prot || (data_key == prot_key && data_va == prot_va && 467638ca87c6SMax Gurtovoy data_len == prot_len)) { 4677e6631814SSagi Grimberg /** 4678e6631814SSagi Grimberg * Source domain doesn't contain signature information 46795c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4680e6631814SSagi Grimberg * So need construct: 4681e6631814SSagi Grimberg * ------------------ 4682e6631814SSagi Grimberg * | data_klm | 4683e6631814SSagi Grimberg * ------------------ 4684e6631814SSagi Grimberg * | BSF | 4685e6631814SSagi Grimberg * ------------------ 4686e6631814SSagi Grimberg **/ 4687e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4688e6631814SSagi Grimberg 4689e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4690e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4691e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4692e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4693e6631814SSagi Grimberg } else { 4694e6631814SSagi Grimberg /** 4695e6631814SSagi Grimberg * Source domain contains signature information 4696e6631814SSagi Grimberg * So need construct a strided block format: 4697e6631814SSagi Grimberg * --------------------------- 4698e6631814SSagi Grimberg * | stride_block_ctrl | 4699e6631814SSagi Grimberg * --------------------------- 4700e6631814SSagi Grimberg * | data_klm | 4701e6631814SSagi Grimberg * --------------------------- 4702e6631814SSagi Grimberg * | prot_klm | 4703e6631814SSagi Grimberg * --------------------------- 4704e6631814SSagi Grimberg * | BSF | 4705e6631814SSagi Grimberg * --------------------------- 4706e6631814SSagi Grimberg **/ 4707e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4708e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4709e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4710e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4711e6631814SSagi Grimberg int prot_size; 4712e6631814SSagi Grimberg 4713e6631814SSagi Grimberg sblock_ctrl = *seg; 4714e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4715e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4716e6631814SSagi Grimberg 4717e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4718e6631814SSagi Grimberg if (!prot_size) { 4719e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4720e6631814SSagi Grimberg return -EINVAL; 4721e6631814SSagi Grimberg } 4722e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4723e6631814SSagi Grimberg prot_size); 4724e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4725e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4726e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4727e6631814SSagi Grimberg 4728e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4729e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4730e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 47315c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 47325c273b16SSagi Grimberg 4733e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4734e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4735e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4736e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 47375c273b16SSagi Grimberg 4738e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4739e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4740e6631814SSagi Grimberg } 4741e6631814SSagi Grimberg 4742e6631814SSagi Grimberg *seg += wqe_size; 4743e6631814SSagi Grimberg *size += wqe_size / 16; 474434f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4745e6631814SSagi Grimberg 4746e6631814SSagi Grimberg bsf = *seg; 4747e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4748e6631814SSagi Grimberg if (ret) 4749e6631814SSagi Grimberg return -EINVAL; 4750e6631814SSagi Grimberg 4751e6631814SSagi Grimberg *seg += sizeof(*bsf); 4752e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 475334f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4754e6631814SSagi Grimberg 4755e6631814SSagi Grimberg return 0; 4756e6631814SSagi Grimberg } 4757e6631814SSagi Grimberg 4758e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 475922465bbaSMax Gurtovoy struct ib_mr *sig_mr, int access_flags, 476022465bbaSMax Gurtovoy u32 size, u32 length, u32 pdn) 4761e6631814SSagi Grimberg { 4762e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4763d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4764e6631814SSagi Grimberg 4765e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4766e6631814SSagi Grimberg 476722465bbaSMax Gurtovoy seg->flags = get_umr_flags(access_flags) | MLX5_MKC_ACCESS_MODE_KLMS; 4768e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4769d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4770e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4771e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 477231616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4773e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4774e6631814SSagi Grimberg } 4775e6631814SSagi Grimberg 4776e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 477731616255SArtemy Kovalyov u32 size) 4778e6631814SSagi Grimberg { 4779e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4780e6631814SSagi Grimberg 4781e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 478231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4783e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4784e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4785e6631814SSagi Grimberg } 4786e6631814SSagi Grimberg 478738ca87c6SMax Gurtovoy static int set_pi_umr_wr(const struct ib_send_wr *send_wr, 478838ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 478938ca87c6SMax Gurtovoy void **cur_edge) 479038ca87c6SMax Gurtovoy { 479138ca87c6SMax Gurtovoy const struct ib_reg_wr *wr = reg_wr(send_wr); 479238ca87c6SMax Gurtovoy struct mlx5_ib_mr *sig_mr = to_mmr(wr->mr); 479338ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = sig_mr->pi_mr; 479438ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs = sig_mr->ibmr.sig_attrs; 479538ca87c6SMax Gurtovoy u32 pdn = get_pd(qp)->pdn; 479638ca87c6SMax Gurtovoy u32 xlt_size; 479738ca87c6SMax Gurtovoy int region_len, ret; 479838ca87c6SMax Gurtovoy 479938ca87c6SMax Gurtovoy if (unlikely(send_wr->num_sge != 0) || 480038ca87c6SMax Gurtovoy unlikely(wr->access & IB_ACCESS_REMOTE_ATOMIC) || 4801185eddc4SMax Gurtovoy unlikely(!sig_mr->sig) || unlikely(!qp->ibqp.integrity_en) || 480238ca87c6SMax Gurtovoy unlikely(!sig_mr->sig->sig_status_checked)) 480338ca87c6SMax Gurtovoy return -EINVAL; 480438ca87c6SMax Gurtovoy 480538ca87c6SMax Gurtovoy /* length of the protected region, data + protection */ 480638ca87c6SMax Gurtovoy region_len = pi_mr->ibmr.length; 480738ca87c6SMax Gurtovoy 480838ca87c6SMax Gurtovoy /** 480938ca87c6SMax Gurtovoy * KLM octoword size - if protection was provided 481038ca87c6SMax Gurtovoy * then we use strided block format (3 octowords), 481138ca87c6SMax Gurtovoy * else we use single KLM (1 octoword) 481238ca87c6SMax Gurtovoy **/ 481338ca87c6SMax Gurtovoy if (sig_attrs->mem.sig_type != IB_SIG_TYPE_NONE) 481438ca87c6SMax Gurtovoy xlt_size = 0x30; 481538ca87c6SMax Gurtovoy else 481638ca87c6SMax Gurtovoy xlt_size = sizeof(struct mlx5_klm); 481738ca87c6SMax Gurtovoy 481838ca87c6SMax Gurtovoy set_sig_umr_segment(*seg, xlt_size); 481938ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 482038ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 482138ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 482238ca87c6SMax Gurtovoy 482338ca87c6SMax Gurtovoy set_sig_mkey_segment(*seg, wr->mr, wr->access, xlt_size, region_len, 482438ca87c6SMax Gurtovoy pdn); 482538ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_mkey_seg); 482638ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_mkey_seg) / 16; 482738ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 482838ca87c6SMax Gurtovoy 482938ca87c6SMax Gurtovoy ret = set_sig_data_segment(send_wr, wr->mr, sig_attrs, qp, seg, size, 483038ca87c6SMax Gurtovoy cur_edge); 483138ca87c6SMax Gurtovoy if (ret) 483238ca87c6SMax Gurtovoy return ret; 483338ca87c6SMax Gurtovoy 483438ca87c6SMax Gurtovoy sig_mr->sig->sig_status_checked = false; 483538ca87c6SMax Gurtovoy return 0; 483638ca87c6SMax Gurtovoy } 4837e6631814SSagi Grimberg 4838e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4839e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4840e6631814SSagi Grimberg { 4841e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4842e6631814SSagi Grimberg 4843e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4844e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4845e6631814SSagi Grimberg switch (domain->sig_type) { 484678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 484778eda2bbSSagi Grimberg break; 4848e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4849e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4850e6631814SSagi Grimberg domain->sig.dif.app_tag); 4851e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4852e6631814SSagi Grimberg break; 4853e6631814SSagi Grimberg default: 485412bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 485512bbf1eaSLeon Romanovsky domain->sig_type); 485612bbf1eaSLeon Romanovsky return -EINVAL; 4857e6631814SSagi Grimberg } 4858e6631814SSagi Grimberg 485978eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 486078eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 486178eda2bbSSagi Grimberg 4862e6631814SSagi Grimberg return 0; 4863e6631814SSagi Grimberg } 4864e6631814SSagi Grimberg 48658a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4866f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 48679ac7c4bcSMax Gurtovoy void **seg, int *size, void **cur_edge, 48689ac7c4bcSMax Gurtovoy bool check_not_free) 48698a187ee5SSagi Grimberg { 48708a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 48718a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 4872841b07f9SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(pd->ibpd.device); 487338ca87c6SMax Gurtovoy int mr_list_size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 4874064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 4875841b07f9SMoni Shoua bool atomic = wr->access & IB_ACCESS_REMOTE_ATOMIC; 48769ac7c4bcSMax Gurtovoy u8 flags = 0; 48778a187ee5SSagi Grimberg 4878d6de0bb1SMichael Guralnik if (!mlx5_ib_can_use_umr(dev, atomic, wr->access)) { 4879841b07f9SMoni Shoua mlx5_ib_warn(to_mdev(qp->ibqp.device), 4880841b07f9SMoni Shoua "Fast update of %s for MR is disabled\n", 4881841b07f9SMoni Shoua (MLX5_CAP_GEN(dev->mdev, 4882841b07f9SMoni Shoua umr_modify_entity_size_disabled)) ? 4883841b07f9SMoni Shoua "entity size" : 4884841b07f9SMoni Shoua "atomic access"); 4885841b07f9SMoni Shoua return -EINVAL; 4886841b07f9SMoni Shoua } 4887841b07f9SMoni Shoua 48888a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 48898a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 48908a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 48918a187ee5SSagi Grimberg return -EINVAL; 48928a187ee5SSagi Grimberg } 48938a187ee5SSagi Grimberg 48949ac7c4bcSMax Gurtovoy if (check_not_free) 48959ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_CHECK_NOT_FREE; 48969ac7c4bcSMax Gurtovoy if (umr_inline) 48979ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_INLINE; 48989ac7c4bcSMax Gurtovoy 4899841b07f9SMoni Shoua set_reg_umr_seg(*seg, mr, flags, atomic); 49008a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 49018a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 490234f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49038a187ee5SSagi Grimberg 49048a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 49058a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 49068a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 490734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49088a187ee5SSagi Grimberg 4909064e5262SIdan Burstein if (umr_inline) { 491034f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 491134f4c955SGuy Levi mr_list_size); 491234f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4913064e5262SIdan Burstein } else { 49148a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 49158a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 49168a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4917064e5262SIdan Burstein } 49188a187ee5SSagi Grimberg return 0; 49198a187ee5SSagi Grimberg } 49208a187ee5SSagi Grimberg 492134f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 492234f4c955SGuy Levi void **cur_edge) 4923e126ba97SEli Cohen { 4924dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4925e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4926e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 492734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4928dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4929e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4930e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 493134f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4932e126ba97SEli Cohen } 4933e126ba97SEli Cohen 493434f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4935e126ba97SEli Cohen { 4936e126ba97SEli Cohen __be32 *p = NULL; 4937e126ba97SEli Cohen int i, j; 4938e126ba97SEli Cohen 493934f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4940e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4941e126ba97SEli Cohen if ((i & 0xf) == 0) { 49421e5887b7SArtemy Kovalyov p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); 494334f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4944e126ba97SEli Cohen j = 0; 49451e5887b7SArtemy Kovalyov idx = (idx + 1) & (qp->sq.wqe_cnt - 1); 4946e126ba97SEli Cohen } 4947e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4948e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4949e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4950e126ba97SEli Cohen } 4951e126ba97SEli Cohen } 4952e126ba97SEli Cohen 49537bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49546e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 495534f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 495634f4c955SGuy Levi int *size, void **cur_edge, int nreq, 495734f4c955SGuy Levi bool send_signaled, bool solicited) 49586e5eadacSSagi Grimberg { 4959b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4960b2a232d2SLeon Romanovsky return -ENOMEM; 49616e5eadacSSagi Grimberg 49626e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 496334f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 49646e5eadacSSagi Grimberg *ctrl = *seg; 49656e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 49666e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 49676e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 49687bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 49697bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 49706e5eadacSSagi Grimberg 49716e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 49726e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 497334f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 49746e5eadacSSagi Grimberg 4975b2a232d2SLeon Romanovsky return 0; 49766e5eadacSSagi Grimberg } 49776e5eadacSSagi Grimberg 49787bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49797bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 49807bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 498134f4c955SGuy Levi int *size, void **cur_edge, int nreq) 49827bb1fafcSBart Van Assche { 498334f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 49847bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 49857bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 49867bb1fafcSBart Van Assche } 49877bb1fafcSBart Van Assche 49886e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 49896e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 499034f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 499134f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 499234f4c955SGuy Levi u32 mlx5_opcode) 49936e5eadacSSagi Grimberg { 49946e5eadacSSagi Grimberg u8 opmod = 0; 49956e5eadacSSagi Grimberg 49966e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 49976e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 499819098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 49996e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 50006e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 50016e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 50026e5eadacSSagi Grimberg 50036e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 50046e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 50056e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 50066e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 50076e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 500834f4c955SGuy Levi 500934f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 501034f4c955SGuy Levi * construction, into SQ's cache. 501134f4c955SGuy Levi */ 501234f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 501334f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 501434f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 501534f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 501634f4c955SGuy Levi cur_edge; 50176e5eadacSSagi Grimberg } 50186e5eadacSSagi Grimberg 5019d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5020d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 5021e126ba97SEli Cohen { 5022e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 5023e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 502489ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 502538ca87c6SMax Gurtovoy struct ib_reg_wr reg_pi_wr; 5026d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 5027e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 502838ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr; 50292563e2f3SMax Gurtovoy struct mlx5_ib_mr pa_pi_mr; 503038ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs; 5031e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 5032d16e91daSHaggai Eran struct mlx5_bf *bf; 503334f4c955SGuy Levi void *cur_edge; 5034e126ba97SEli Cohen int uninitialized_var(size); 5035e126ba97SEli Cohen unsigned long flags; 5036e126ba97SEli Cohen unsigned idx; 5037e126ba97SEli Cohen int err = 0; 5038e126ba97SEli Cohen int num_sge; 5039e126ba97SEli Cohen void *seg; 5040e126ba97SEli Cohen int nreq; 5041e126ba97SEli Cohen int i; 5042e126ba97SEli Cohen u8 next_fence = 0; 5043e126ba97SEli Cohen u8 fence; 5044e126ba97SEli Cohen 50456c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 50466c75520fSParav Pandit !drain)) { 50476c75520fSParav Pandit *bad_wr = wr; 50486c75520fSParav Pandit return -EIO; 50496c75520fSParav Pandit } 50506c75520fSParav Pandit 5051d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5052d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 5053d16e91daSHaggai Eran 5054d16e91daSHaggai Eran qp = to_mqp(ibqp); 50555fe9dec0SEli Cohen bf = &qp->bf; 5056d16e91daSHaggai Eran 5057e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 5058e126ba97SEli Cohen 5059e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5060a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 5061e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5062e126ba97SEli Cohen err = -EINVAL; 5063e126ba97SEli Cohen *bad_wr = wr; 5064e126ba97SEli Cohen goto out; 5065e126ba97SEli Cohen } 5066e126ba97SEli Cohen 5067e126ba97SEli Cohen num_sge = wr->num_sge; 5068e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 5069e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 507024be409bSChuck Lever err = -EINVAL; 5071e126ba97SEli Cohen *bad_wr = wr; 5072e126ba97SEli Cohen goto out; 5073e126ba97SEli Cohen } 5074e126ba97SEli Cohen 507534f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 507634f4c955SGuy Levi nreq); 50776e5eadacSSagi Grimberg if (err) { 50786e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 50796e5eadacSSagi Grimberg err = -ENOMEM; 50806e5eadacSSagi Grimberg *bad_wr = wr; 50816e5eadacSSagi Grimberg goto out; 50826e5eadacSSagi Grimberg } 5083e126ba97SEli Cohen 508438ca87c6SMax Gurtovoy if (wr->opcode == IB_WR_REG_MR || 508538ca87c6SMax Gurtovoy wr->opcode == IB_WR_REG_MR_INTEGRITY) { 50866e8484c5SMax Gurtovoy fence = dev->umr_fence; 50876e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 5088074fca3aSMajd Dibbiny } else { 5089074fca3aSMajd Dibbiny if (wr->send_flags & IB_SEND_FENCE) { 50906e8484c5SMax Gurtovoy if (qp->next_fence) 50916e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 50926e8484c5SMax Gurtovoy else 50936e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 50946e8484c5SMax Gurtovoy } else { 50956e8484c5SMax Gurtovoy fence = qp->next_fence; 50966e8484c5SMax Gurtovoy } 5097074fca3aSMajd Dibbiny } 50986e8484c5SMax Gurtovoy 5099e126ba97SEli Cohen switch (ibqp->qp_type) { 5100e126ba97SEli Cohen case IB_QPT_XRC_INI: 5101e126ba97SEli Cohen xrc = seg; 5102e126ba97SEli Cohen seg += sizeof(*xrc); 5103e126ba97SEli Cohen size += sizeof(*xrc) / 16; 5104e126ba97SEli Cohen /* fall through */ 5105e126ba97SEli Cohen case IB_QPT_RC: 5106e126ba97SEli Cohen switch (wr->opcode) { 5107e126ba97SEli Cohen case IB_WR_RDMA_READ: 5108e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5109e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5110e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5111e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5112e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5113e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5114e126ba97SEli Cohen break; 5115e126ba97SEli Cohen 5116e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 5117e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 5118e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 511981bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 512081bea28fSEli Cohen err = -ENOSYS; 512181bea28fSEli Cohen *bad_wr = wr; 512281bea28fSEli Cohen goto out; 5123e126ba97SEli Cohen 5124e126ba97SEli Cohen case IB_WR_LOCAL_INV: 5125e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 5126e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 512734f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 5128e126ba97SEli Cohen num_sge = 0; 5129e126ba97SEli Cohen break; 5130e126ba97SEli Cohen 51318a187ee5SSagi Grimberg case IB_WR_REG_MR: 51328a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 51338a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 513434f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 51359ac7c4bcSMax Gurtovoy &cur_edge, true); 51368a187ee5SSagi Grimberg if (err) { 51378a187ee5SSagi Grimberg *bad_wr = wr; 51388a187ee5SSagi Grimberg goto out; 51398a187ee5SSagi Grimberg } 51408a187ee5SSagi Grimberg num_sge = 0; 51418a187ee5SSagi Grimberg break; 51428a187ee5SSagi Grimberg 514338ca87c6SMax Gurtovoy case IB_WR_REG_MR_INTEGRITY: 51442563e2f3SMax Gurtovoy qp->sq.wr_data[idx] = IB_WR_REG_MR_INTEGRITY; 514538ca87c6SMax Gurtovoy 514638ca87c6SMax Gurtovoy mr = to_mmr(reg_wr(wr)->mr); 514738ca87c6SMax Gurtovoy pi_mr = mr->pi_mr; 514838ca87c6SMax Gurtovoy 51492563e2f3SMax Gurtovoy if (pi_mr) { 51502563e2f3SMax Gurtovoy memset(®_pi_wr, 0, 51512563e2f3SMax Gurtovoy sizeof(struct ib_reg_wr)); 51522563e2f3SMax Gurtovoy 515338ca87c6SMax Gurtovoy reg_pi_wr.mr = &pi_mr->ibmr; 515438ca87c6SMax Gurtovoy reg_pi_wr.access = reg_wr(wr)->access; 515538ca87c6SMax Gurtovoy reg_pi_wr.key = pi_mr->ibmr.rkey; 515638ca87c6SMax Gurtovoy 515738ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(reg_pi_wr.key); 51582563e2f3SMax Gurtovoy /* UMR for data + prot registration */ 51592563e2f3SMax Gurtovoy err = set_reg_wr(qp, ®_pi_wr, &seg, 51602563e2f3SMax Gurtovoy &size, &cur_edge, 51612563e2f3SMax Gurtovoy false); 516238ca87c6SMax Gurtovoy if (err) { 516338ca87c6SMax Gurtovoy *bad_wr = wr; 516438ca87c6SMax Gurtovoy goto out; 516538ca87c6SMax Gurtovoy } 51662563e2f3SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, 51672563e2f3SMax Gurtovoy cur_edge, idx, wr->wr_id, 51682563e2f3SMax Gurtovoy nreq, fence, 516938ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 517038ca87c6SMax Gurtovoy 51712563e2f3SMax Gurtovoy err = begin_wqe(qp, &seg, &ctrl, wr, 51722563e2f3SMax Gurtovoy &idx, &size, &cur_edge, 51732563e2f3SMax Gurtovoy nreq); 517438ca87c6SMax Gurtovoy if (err) { 517538ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 517638ca87c6SMax Gurtovoy err = -ENOMEM; 517738ca87c6SMax Gurtovoy *bad_wr = wr; 517838ca87c6SMax Gurtovoy goto out; 517938ca87c6SMax Gurtovoy } 51802563e2f3SMax Gurtovoy } else { 51812563e2f3SMax Gurtovoy memset(&pa_pi_mr, 0, 51822563e2f3SMax Gurtovoy sizeof(struct mlx5_ib_mr)); 51832563e2f3SMax Gurtovoy /* No UMR, use local_dma_lkey */ 51842563e2f3SMax Gurtovoy pa_pi_mr.ibmr.lkey = 51852563e2f3SMax Gurtovoy mr->ibmr.pd->local_dma_lkey; 51862563e2f3SMax Gurtovoy 51872563e2f3SMax Gurtovoy pa_pi_mr.ndescs = mr->ndescs; 51882563e2f3SMax Gurtovoy pa_pi_mr.data_length = mr->data_length; 51892563e2f3SMax Gurtovoy pa_pi_mr.data_iova = mr->data_iova; 51902563e2f3SMax Gurtovoy if (mr->meta_ndescs) { 51912563e2f3SMax Gurtovoy pa_pi_mr.meta_ndescs = 51922563e2f3SMax Gurtovoy mr->meta_ndescs; 51932563e2f3SMax Gurtovoy pa_pi_mr.meta_length = 51942563e2f3SMax Gurtovoy mr->meta_length; 51952563e2f3SMax Gurtovoy pa_pi_mr.pi_iova = mr->pi_iova; 51962563e2f3SMax Gurtovoy } 51972563e2f3SMax Gurtovoy 51982563e2f3SMax Gurtovoy pa_pi_mr.ibmr.length = mr->ibmr.length; 51992563e2f3SMax Gurtovoy mr->pi_mr = &pa_pi_mr; 52002563e2f3SMax Gurtovoy } 520138ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 520238ca87c6SMax Gurtovoy /* UMR for sig MR */ 520338ca87c6SMax Gurtovoy err = set_pi_umr_wr(wr, qp, &seg, &size, 520438ca87c6SMax Gurtovoy &cur_edge); 520538ca87c6SMax Gurtovoy if (err) { 520638ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 520738ca87c6SMax Gurtovoy *bad_wr = wr; 520838ca87c6SMax Gurtovoy goto out; 520938ca87c6SMax Gurtovoy } 521038ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 521138ca87c6SMax Gurtovoy wr->wr_id, nreq, fence, 521238ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 521338ca87c6SMax Gurtovoy 521438ca87c6SMax Gurtovoy /* 521538ca87c6SMax Gurtovoy * SET_PSV WQEs are not signaled and solicited 521638ca87c6SMax Gurtovoy * on error 521738ca87c6SMax Gurtovoy */ 521838ca87c6SMax Gurtovoy sig_attrs = mr->ibmr.sig_attrs; 521938ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 522038ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 522138ca87c6SMax Gurtovoy true); 522238ca87c6SMax Gurtovoy if (err) { 522338ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 522438ca87c6SMax Gurtovoy err = -ENOMEM; 522538ca87c6SMax Gurtovoy *bad_wr = wr; 522638ca87c6SMax Gurtovoy goto out; 522738ca87c6SMax Gurtovoy } 522838ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->mem, 522938ca87c6SMax Gurtovoy mr->sig->psv_memory.psv_idx, 523038ca87c6SMax Gurtovoy &seg, &size); 523138ca87c6SMax Gurtovoy if (err) { 523238ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 523338ca87c6SMax Gurtovoy *bad_wr = wr; 523438ca87c6SMax Gurtovoy goto out; 523538ca87c6SMax Gurtovoy } 523638ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 523738ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 523838ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 523938ca87c6SMax Gurtovoy 524038ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 524138ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 524238ca87c6SMax Gurtovoy true); 524338ca87c6SMax Gurtovoy if (err) { 524438ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 524538ca87c6SMax Gurtovoy err = -ENOMEM; 524638ca87c6SMax Gurtovoy *bad_wr = wr; 524738ca87c6SMax Gurtovoy goto out; 524838ca87c6SMax Gurtovoy } 524938ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->wire, 525038ca87c6SMax Gurtovoy mr->sig->psv_wire.psv_idx, 525138ca87c6SMax Gurtovoy &seg, &size); 525238ca87c6SMax Gurtovoy if (err) { 525338ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 525438ca87c6SMax Gurtovoy *bad_wr = wr; 525538ca87c6SMax Gurtovoy goto out; 525638ca87c6SMax Gurtovoy } 525738ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 525838ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 525938ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 526038ca87c6SMax Gurtovoy 526138ca87c6SMax Gurtovoy qp->next_fence = 526238ca87c6SMax Gurtovoy MLX5_FENCE_MODE_INITIATOR_SMALL; 526338ca87c6SMax Gurtovoy num_sge = 0; 526438ca87c6SMax Gurtovoy goto skip_psv; 526538ca87c6SMax Gurtovoy 5266e126ba97SEli Cohen default: 5267e126ba97SEli Cohen break; 5268e126ba97SEli Cohen } 5269e126ba97SEli Cohen break; 5270e126ba97SEli Cohen 5271e126ba97SEli Cohen case IB_QPT_UC: 5272e126ba97SEli Cohen switch (wr->opcode) { 5273e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5274e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5275e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5276e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5277e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5278e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5279e126ba97SEli Cohen break; 5280e126ba97SEli Cohen 5281e126ba97SEli Cohen default: 5282e126ba97SEli Cohen break; 5283e126ba97SEli Cohen } 5284e126ba97SEli Cohen break; 5285e126ba97SEli Cohen 5286e126ba97SEli Cohen case IB_QPT_SMI: 52871e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 52881e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 52891e0e50b6SMaor Gottlieb err = -EPERM; 52901e0e50b6SMaor Gottlieb *bad_wr = wr; 52911e0e50b6SMaor Gottlieb goto out; 52921e0e50b6SMaor Gottlieb } 5293f6b1ee34SBart Van Assche /* fall through */ 5294d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 5295e126ba97SEli Cohen set_datagram_seg(seg, wr); 5296e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 5297e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 529834f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 529934f4c955SGuy Levi 5300e126ba97SEli Cohen break; 5301f0313965SErez Shitrit case IB_QPT_UD: 5302f0313965SErez Shitrit set_datagram_seg(seg, wr); 5303f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 5304f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 530534f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5306f0313965SErez Shitrit 5307f0313965SErez Shitrit /* handle qp that supports ud offload */ 5308f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 5309f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 5310f0313965SErez Shitrit 5311f0313965SErez Shitrit pad = seg; 5312f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 5313f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 5314f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 531534f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 531634f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 531734f4c955SGuy Levi &cur_edge); 5318f0313965SErez Shitrit } 5319f0313965SErez Shitrit break; 5320e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 5321e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 5322e126ba97SEli Cohen err = -EINVAL; 5323e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 5324e126ba97SEli Cohen goto out; 5325e126ba97SEli Cohen } 5326e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 5327e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 5328c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 5329c8d75a98SMajd Dibbiny if (unlikely(err)) 5330c8d75a98SMajd Dibbiny goto out; 5331e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 5332e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 533334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5334e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 5335e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 5336e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 533734f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5338e126ba97SEli Cohen break; 5339e126ba97SEli Cohen 5340e126ba97SEli Cohen default: 5341e126ba97SEli Cohen break; 5342e126ba97SEli Cohen } 5343e126ba97SEli Cohen 5344e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 534534f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 5346e126ba97SEli Cohen if (unlikely(err)) { 5347e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5348e126ba97SEli Cohen *bad_wr = wr; 5349e126ba97SEli Cohen goto out; 5350e126ba97SEli Cohen } 5351e126ba97SEli Cohen } else { 5352e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 535334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 535434f4c955SGuy Levi &cur_edge); 5355e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 535634f4c955SGuy Levi set_data_ptr_seg 535734f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 535834f4c955SGuy Levi wr->sg_list + i); 5359e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 536034f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 5361e126ba97SEli Cohen } 5362e126ba97SEli Cohen } 5363e126ba97SEli Cohen } 5364e126ba97SEli Cohen 53656e8484c5SMax Gurtovoy qp->next_fence = next_fence; 536634f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 536734f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 5368e6631814SSagi Grimberg skip_psv: 5369e126ba97SEli Cohen if (0) 5370e126ba97SEli Cohen dump_wqe(qp, idx, size); 5371e126ba97SEli Cohen } 5372e126ba97SEli Cohen 5373e126ba97SEli Cohen out: 5374e126ba97SEli Cohen if (likely(nreq)) { 5375e126ba97SEli Cohen qp->sq.head += nreq; 5376e126ba97SEli Cohen 5377e126ba97SEli Cohen /* Make sure that descriptors are written before 5378e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 5379e126ba97SEli Cohen */ 5380e126ba97SEli Cohen wmb(); 5381e126ba97SEli Cohen 5382e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5383e126ba97SEli Cohen 5384ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5385ada388f7SEli Cohen * we hit doorbell */ 5386ada388f7SEli Cohen wmb(); 5387ada388f7SEli Cohen 5388bbf29f61SMaxim Mikityanskiy mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); 5389e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5390e126ba97SEli Cohen * and reach the HCA out of order. 5391e126ba97SEli Cohen */ 5392e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5393e126ba97SEli Cohen } 5394e126ba97SEli Cohen 5395e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5396e126ba97SEli Cohen 5397e126ba97SEli Cohen return err; 5398e126ba97SEli Cohen } 5399e126ba97SEli Cohen 5400d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5401d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5402d0e84c0aSYishai Hadas { 5403d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5404d0e84c0aSYishai Hadas } 5405d0e84c0aSYishai Hadas 5406e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5407e126ba97SEli Cohen { 5408e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5409e126ba97SEli Cohen } 5410e126ba97SEli Cohen 5411d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5412d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5413e126ba97SEli Cohen { 5414e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5415e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5416e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 541789ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 541889ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5419e126ba97SEli Cohen unsigned long flags; 5420e126ba97SEli Cohen int err = 0; 5421e126ba97SEli Cohen int nreq; 5422e126ba97SEli Cohen int ind; 5423e126ba97SEli Cohen int i; 5424e126ba97SEli Cohen 54256c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 54266c75520fSParav Pandit !drain)) { 54276c75520fSParav Pandit *bad_wr = wr; 54286c75520fSParav Pandit return -EIO; 54296c75520fSParav Pandit } 54306c75520fSParav Pandit 5431d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5432d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5433d16e91daSHaggai Eran 5434e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5435e126ba97SEli Cohen 5436e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5437e126ba97SEli Cohen 5438e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5439e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5440e126ba97SEli Cohen err = -ENOMEM; 5441e126ba97SEli Cohen *bad_wr = wr; 5442e126ba97SEli Cohen goto out; 5443e126ba97SEli Cohen } 5444e126ba97SEli Cohen 5445e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5446e126ba97SEli Cohen err = -EINVAL; 5447e126ba97SEli Cohen *bad_wr = wr; 5448e126ba97SEli Cohen goto out; 5449e126ba97SEli Cohen } 5450e126ba97SEli Cohen 545134f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5452e126ba97SEli Cohen if (qp->wq_sig) 5453e126ba97SEli Cohen scat++; 5454e126ba97SEli Cohen 5455e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5456e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5457e126ba97SEli Cohen 5458e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5459e126ba97SEli Cohen scat[i].byte_count = 0; 5460e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5461e126ba97SEli Cohen scat[i].addr = 0; 5462e126ba97SEli Cohen } 5463e126ba97SEli Cohen 5464e126ba97SEli Cohen if (qp->wq_sig) { 5465e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5466e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5467e126ba97SEli Cohen } 5468e126ba97SEli Cohen 5469e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5470e126ba97SEli Cohen 5471e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5472e126ba97SEli Cohen } 5473e126ba97SEli Cohen 5474e126ba97SEli Cohen out: 5475e126ba97SEli Cohen if (likely(nreq)) { 5476e126ba97SEli Cohen qp->rq.head += nreq; 5477e126ba97SEli Cohen 5478e126ba97SEli Cohen /* Make sure that descriptors are written before 5479e126ba97SEli Cohen * doorbell record. 5480e126ba97SEli Cohen */ 5481e126ba97SEli Cohen wmb(); 5482e126ba97SEli Cohen 5483e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5484e126ba97SEli Cohen } 5485e126ba97SEli Cohen 5486e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5487e126ba97SEli Cohen 5488e126ba97SEli Cohen return err; 5489e126ba97SEli Cohen } 5490e126ba97SEli Cohen 5491d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5492d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5493d0e84c0aSYishai Hadas { 5494d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5495d0e84c0aSYishai Hadas } 5496d0e84c0aSYishai Hadas 5497e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5498e126ba97SEli Cohen { 5499e126ba97SEli Cohen switch (mlx5_state) { 5500e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5501e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5502e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5503e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5504e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5505e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5506e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5507e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5508e126ba97SEli Cohen default: return -1; 5509e126ba97SEli Cohen } 5510e126ba97SEli Cohen } 5511e126ba97SEli Cohen 5512e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5513e126ba97SEli Cohen { 5514e126ba97SEli Cohen switch (mlx5_mig_state) { 5515e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5516e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5517e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5518e126ba97SEli Cohen default: return -1; 5519e126ba97SEli Cohen } 5520e126ba97SEli Cohen } 5521e126ba97SEli Cohen 5522e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5523e126ba97SEli Cohen { 5524e126ba97SEli Cohen int ib_flags = 0; 5525e126ba97SEli Cohen 5526e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5527e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5528e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5529e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5530e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5531e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5532e126ba97SEli Cohen 5533e126ba97SEli Cohen return ib_flags; 5534e126ba97SEli Cohen } 5535e126ba97SEli Cohen 553638349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5537d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5538e126ba97SEli Cohen struct mlx5_qp_path *path) 5539e126ba97SEli Cohen { 5540e126ba97SEli Cohen 5541d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5542e126ba97SEli Cohen 5543e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5544e126ba97SEli Cohen return; 5545e126ba97SEli Cohen 5546ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5547ae59c3f0SLeon Romanovsky 5548d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5549d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5550e126ba97SEli Cohen 5551d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5552d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5553d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5554d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5555d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5556d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5557d8966fcdSDasaratharaman Chandramouli 5558d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5559d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5560d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5561d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5562d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5563d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5564e126ba97SEli Cohen } 5565e126ba97SEli Cohen } 5566e126ba97SEli Cohen 55676d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 55686d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 55696d2f89dfSmajd@mellanox.com u8 *sq_state) 5570e126ba97SEli Cohen { 55716d2f89dfSmajd@mellanox.com int err; 55726d2f89dfSmajd@mellanox.com 557328160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 55746d2f89dfSmajd@mellanox.com if (err) 55756d2f89dfSmajd@mellanox.com goto out; 55766d2f89dfSmajd@mellanox.com sq->state = *sq_state; 55776d2f89dfSmajd@mellanox.com 55786d2f89dfSmajd@mellanox.com out: 55796d2f89dfSmajd@mellanox.com return err; 55806d2f89dfSmajd@mellanox.com } 55816d2f89dfSmajd@mellanox.com 55826d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 55836d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 55846d2f89dfSmajd@mellanox.com u8 *rq_state) 55856d2f89dfSmajd@mellanox.com { 55866d2f89dfSmajd@mellanox.com void *out; 55876d2f89dfSmajd@mellanox.com void *rqc; 55886d2f89dfSmajd@mellanox.com int inlen; 55896d2f89dfSmajd@mellanox.com int err; 55906d2f89dfSmajd@mellanox.com 55916d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 55921b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 55936d2f89dfSmajd@mellanox.com if (!out) 55946d2f89dfSmajd@mellanox.com return -ENOMEM; 55956d2f89dfSmajd@mellanox.com 55966d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 55976d2f89dfSmajd@mellanox.com if (err) 55986d2f89dfSmajd@mellanox.com goto out; 55996d2f89dfSmajd@mellanox.com 56006d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 56016d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 56026d2f89dfSmajd@mellanox.com rq->state = *rq_state; 56036d2f89dfSmajd@mellanox.com 56046d2f89dfSmajd@mellanox.com out: 56056d2f89dfSmajd@mellanox.com kvfree(out); 56066d2f89dfSmajd@mellanox.com return err; 56076d2f89dfSmajd@mellanox.com } 56086d2f89dfSmajd@mellanox.com 56096d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 56106d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 56116d2f89dfSmajd@mellanox.com { 56126d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 56136d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 56146d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56156d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56166d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 56176d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 56186d2f89dfSmajd@mellanox.com }, 56196d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 56206d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56216d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56226d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 56236d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 56246d2f89dfSmajd@mellanox.com }, 56256d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 56266d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56276d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56286d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 56296d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 56306d2f89dfSmajd@mellanox.com }, 56316d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 56326d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56336d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56346d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 56356d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 56366d2f89dfSmajd@mellanox.com }, 56376d2f89dfSmajd@mellanox.com }; 56386d2f89dfSmajd@mellanox.com 56396d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 56406d2f89dfSmajd@mellanox.com 56416d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 56426d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 56436d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 56446d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 56456d2f89dfSmajd@mellanox.com return -EINVAL; 56466d2f89dfSmajd@mellanox.com } 56476d2f89dfSmajd@mellanox.com 56486d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 56496d2f89dfSmajd@mellanox.com *qp_state = qp->state; 56506d2f89dfSmajd@mellanox.com 56516d2f89dfSmajd@mellanox.com return 0; 56526d2f89dfSmajd@mellanox.com } 56536d2f89dfSmajd@mellanox.com 56546d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 56556d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 56566d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 56576d2f89dfSmajd@mellanox.com { 56586d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 56596d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 56606d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 56616d2f89dfSmajd@mellanox.com int err; 56626d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 56636d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 56646d2f89dfSmajd@mellanox.com 56656d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 56666d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 56676d2f89dfSmajd@mellanox.com if (err) 56686d2f89dfSmajd@mellanox.com return err; 56696d2f89dfSmajd@mellanox.com } 56706d2f89dfSmajd@mellanox.com 56716d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 56726d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 56736d2f89dfSmajd@mellanox.com if (err) 56746d2f89dfSmajd@mellanox.com return err; 56756d2f89dfSmajd@mellanox.com } 56766d2f89dfSmajd@mellanox.com 56776d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 56786d2f89dfSmajd@mellanox.com raw_packet_qp_state); 56796d2f89dfSmajd@mellanox.com } 56806d2f89dfSmajd@mellanox.com 56816d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 56826d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 56836d2f89dfSmajd@mellanox.com { 568409a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5685e126ba97SEli Cohen struct mlx5_qp_context *context; 5686e126ba97SEli Cohen int mlx5_state; 568709a7d9ecSSaeed Mahameed u32 *outb; 5688e126ba97SEli Cohen int err = 0; 5689e126ba97SEli Cohen 569009a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 56916d2f89dfSmajd@mellanox.com if (!outb) 56926d2f89dfSmajd@mellanox.com return -ENOMEM; 56936d2f89dfSmajd@mellanox.com 5694333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 5695e126ba97SEli Cohen if (err) 56966d2f89dfSmajd@mellanox.com goto out; 5697e126ba97SEli Cohen 569809a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 569909a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 570009a7d9ecSSaeed Mahameed 5701e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5702e126ba97SEli Cohen 5703e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5704e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5705e126ba97SEli Cohen qp_attr->path_mig_state = 5706e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5707e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5708e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5709e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5710e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5711e126ba97SEli Cohen qp_attr->qp_access_flags = 5712e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5713e126ba97SEli Cohen 5714e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 571538349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 571638349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5717d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5718d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5719d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5720d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5721e126ba97SEli Cohen } 5722e126ba97SEli Cohen 5723d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5724e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5725e126ba97SEli Cohen 5726e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5727e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5728e126ba97SEli Cohen 5729e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5730e126ba97SEli Cohen 5731e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5732e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5733e126ba97SEli Cohen qp_attr->min_rnr_timer = 5734e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5735e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5736e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5737e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5738e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 57396d2f89dfSmajd@mellanox.com 57406d2f89dfSmajd@mellanox.com out: 57416d2f89dfSmajd@mellanox.com kfree(outb); 57426d2f89dfSmajd@mellanox.com return err; 57436d2f89dfSmajd@mellanox.com } 57446d2f89dfSmajd@mellanox.com 5745776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5746776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5747776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5748776a3906SMoni Shoua { 5749776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5750776a3906SMoni Shoua u32 *out; 5751776a3906SMoni Shoua u32 access_flags = 0; 5752776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5753776a3906SMoni Shoua void *dctc; 5754776a3906SMoni Shoua int err; 5755776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5756776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5757776a3906SMoni Shoua IB_QP_PORT | 5758776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5759776a3906SMoni Shoua IB_QP_AV | 5760776a3906SMoni Shoua IB_QP_PATH_MTU | 5761776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5762776a3906SMoni Shoua 5763776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5764776a3906SMoni Shoua return -EINVAL; 5765776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5766776a3906SMoni Shoua return -EINVAL; 5767776a3906SMoni Shoua 5768776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5769776a3906SMoni Shoua if (!out) 5770776a3906SMoni Shoua return -ENOMEM; 5771776a3906SMoni Shoua 5772333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 5773776a3906SMoni Shoua if (err) 5774776a3906SMoni Shoua goto out; 5775776a3906SMoni Shoua 5776776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5777776a3906SMoni Shoua 5778776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5779776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5780776a3906SMoni Shoua 5781776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5782776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5783776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5784776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5785776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5786776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5787776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5788776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5789776a3906SMoni Shoua } 5790776a3906SMoni Shoua 5791776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5792776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5793776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5794776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5795776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5796776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5797776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5798776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5799776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5800776a3906SMoni Shoua } 5801776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5802776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5803776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5804776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5805776a3906SMoni Shoua out: 5806776a3906SMoni Shoua kfree(out); 5807776a3906SMoni Shoua return err; 5808776a3906SMoni Shoua } 5809776a3906SMoni Shoua 58106d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 58116d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 58126d2f89dfSmajd@mellanox.com { 58136d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 58146d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 58156d2f89dfSmajd@mellanox.com int err = 0; 58166d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 58176d2f89dfSmajd@mellanox.com 581828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 581928d61370SYishai Hadas return -ENOSYS; 582028d61370SYishai Hadas 5821d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5822d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5823d16e91daSHaggai Eran qp_init_attr); 5824d16e91daSHaggai Eran 5825c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5826c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5827c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5828c2e53b2cSYishai Hadas 5829776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5830776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5831776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5832776a3906SMoni Shoua 58336d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 58346d2f89dfSmajd@mellanox.com 5835c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 58362be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 58376d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 58386d2f89dfSmajd@mellanox.com if (err) 58396d2f89dfSmajd@mellanox.com goto out; 58406d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 58416d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 58426d2f89dfSmajd@mellanox.com } else { 58436d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 58446d2f89dfSmajd@mellanox.com if (err) 58456d2f89dfSmajd@mellanox.com goto out; 58466d2f89dfSmajd@mellanox.com } 58476d2f89dfSmajd@mellanox.com 58486d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5849e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5850e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5851e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5852e126ba97SEli Cohen 5853e126ba97SEli Cohen if (!ibqp->uobject) { 58540540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5855e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 58560540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5857e126ba97SEli Cohen } else { 5858e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5859e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5860e126ba97SEli Cohen } 5861e126ba97SEli Cohen 58620540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 58630540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 58640540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 58650540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 58660540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5867e126ba97SEli Cohen 5868e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5869e126ba97SEli Cohen 5870e126ba97SEli Cohen qp_init_attr->create_flags = 0; 58712be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 5872e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5873e126ba97SEli Cohen 58742be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 5875051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 58762be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 5877051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 58782be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 5879051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 58802be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 58813f89b01fSMichael Guralnik qp_init_attr->create_flags |= MLX5_IB_QP_CREATE_SQPN_QP1; 5882051f2630SLeon Romanovsky 5883e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5884e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5885e126ba97SEli Cohen 5886e126ba97SEli Cohen out: 5887e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5888e126ba97SEli Cohen return err; 5889e126ba97SEli Cohen } 5890e126ba97SEli Cohen 5891e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5892e126ba97SEli Cohen struct ib_udata *udata) 5893e126ba97SEli Cohen { 5894e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5895e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5896e126ba97SEli Cohen int err; 5897e126ba97SEli Cohen 5898938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5899e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5900e126ba97SEli Cohen 5901e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5902e126ba97SEli Cohen if (!xrcd) 5903e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5904e126ba97SEli Cohen 59055aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5906e126ba97SEli Cohen if (err) { 5907e126ba97SEli Cohen kfree(xrcd); 5908e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5909e126ba97SEli Cohen } 5910e126ba97SEli Cohen 5911e126ba97SEli Cohen return &xrcd->ibxrcd; 5912e126ba97SEli Cohen } 5913e126ba97SEli Cohen 5914c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5915e126ba97SEli Cohen { 5916e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5917e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5918e126ba97SEli Cohen int err; 5919e126ba97SEli Cohen 59205aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5921b081808aSLeon Romanovsky if (err) 5922e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5923e126ba97SEli Cohen 5924e126ba97SEli Cohen kfree(xrcd); 5925e126ba97SEli Cohen return 0; 5926e126ba97SEli Cohen } 592779b20a6cSYishai Hadas 5928350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5929350d0e4cSYishai Hadas { 5930350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5931350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5932350d0e4cSYishai Hadas struct ib_event event; 5933350d0e4cSYishai Hadas 5934350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5935350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5936350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5937350d0e4cSYishai Hadas switch (type) { 5938350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5939350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5940350d0e4cSYishai Hadas break; 5941350d0e4cSYishai Hadas default: 5942350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5943350d0e4cSYishai Hadas return; 5944350d0e4cSYishai Hadas } 5945350d0e4cSYishai Hadas 5946350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5947350d0e4cSYishai Hadas } 5948350d0e4cSYishai Hadas } 5949350d0e4cSYishai Hadas 595003404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 595103404e8aSMaor Gottlieb { 595203404e8aSMaor Gottlieb int err = 0; 595303404e8aSMaor Gottlieb 595403404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 595503404e8aSMaor Gottlieb if (dev->delay_drop.activate) 595603404e8aSMaor Gottlieb goto out; 595703404e8aSMaor Gottlieb 5958333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 595903404e8aSMaor Gottlieb if (err) 596003404e8aSMaor Gottlieb goto out; 596103404e8aSMaor Gottlieb 596203404e8aSMaor Gottlieb dev->delay_drop.activate = true; 596303404e8aSMaor Gottlieb out: 596403404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5965fe248c3aSMaor Gottlieb 5966fe248c3aSMaor Gottlieb if (!err) 5967fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 596803404e8aSMaor Gottlieb return err; 596903404e8aSMaor Gottlieb } 597003404e8aSMaor Gottlieb 597179b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 597279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 597379b20a6cSYishai Hadas { 597479b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 59754be6da1eSNoa Osherovich int has_net_offloads; 597679b20a6cSYishai Hadas __be64 *rq_pas0; 597779b20a6cSYishai Hadas void *in; 597879b20a6cSYishai Hadas void *rqc; 597979b20a6cSYishai Hadas void *wq; 598079b20a6cSYishai Hadas int inlen; 598179b20a6cSYishai Hadas int err; 598279b20a6cSYishai Hadas 598379b20a6cSYishai Hadas dev = to_mdev(pd->device); 598479b20a6cSYishai Hadas 598579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 59861b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 598779b20a6cSYishai Hadas if (!in) 598879b20a6cSYishai Hadas return -ENOMEM; 598979b20a6cSYishai Hadas 599034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 599179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 599279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 599379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 599479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 599579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 599679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 599779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 599879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5999ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 6000ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 6001ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 6002b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6003b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 6004b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 6005b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6006b1383aa6SNoa Osherovich goto out; 6007b1383aa6SNoa Osherovich } else { 600879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 6009b1383aa6SNoa Osherovich } 6010b1383aa6SNoa Osherovich } 601179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 6012ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 6013c16339b6SMark Zhang /* 6014c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 6015c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 6016c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 6017c16339b6SMark Zhang * accepted as 0 to 9 6018c16339b6SMark Zhang */ 6019c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 6020c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 6021ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 6022ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 6023ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 6024ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 6025c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 6026c16339b6SMark Zhang fw_map[rwq->log_num_strides - 6027c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 6028ccc87087SNoa Osherovich } 602979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 603079b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 603179b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 603279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 603379b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 603479b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 60354be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 6036b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 60374be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6038b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 6039b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6040b1f74a84SNoa Osherovich goto out; 6041b1f74a84SNoa Osherovich } 6042b1f74a84SNoa Osherovich } else { 6043b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 6044b1f74a84SNoa Osherovich } 60454be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 60464be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 60474be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 60484be6da1eSNoa Osherovich err = -EOPNOTSUPP; 60494be6da1eSNoa Osherovich goto out; 60504be6da1eSNoa Osherovich } 60514be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 60524be6da1eSNoa Osherovich } 605303404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 605403404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 605503404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 605603404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 605703404e8aSMaor Gottlieb err = -EOPNOTSUPP; 605803404e8aSMaor Gottlieb goto out; 605903404e8aSMaor Gottlieb } 606003404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 606103404e8aSMaor Gottlieb } 606279b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 606379b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 6064333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 606503404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 606603404e8aSMaor Gottlieb err = set_delay_drop(dev); 606703404e8aSMaor Gottlieb if (err) { 606803404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 606903404e8aSMaor Gottlieb err); 6070333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 607103404e8aSMaor Gottlieb } else { 607203404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 607303404e8aSMaor Gottlieb } 607403404e8aSMaor Gottlieb } 6075b1f74a84SNoa Osherovich out: 607679b20a6cSYishai Hadas kvfree(in); 607779b20a6cSYishai Hadas return err; 607879b20a6cSYishai Hadas } 607979b20a6cSYishai Hadas 608079b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 608179b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 608279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 608379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 608479b20a6cSYishai Hadas { 608579b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 608679b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 608779b20a6cSYishai Hadas return -EINVAL; 608879b20a6cSYishai Hadas 608979b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 609079b20a6cSYishai Hadas return -EINVAL; 609179b20a6cSYishai Hadas 609279b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 609379b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 60940dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 60950dfe4522SLeon Romanovsky return -EINVAL; 60960dfe4522SLeon Romanovsky 609779b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 609879b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 609979b20a6cSYishai Hadas return 0; 610079b20a6cSYishai Hadas } 610179b20a6cSYishai Hadas 6102c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 6103c16339b6SMark Zhang { 6104c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 6105c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6106c16339b6SMark Zhang return false; 6107c16339b6SMark Zhang 6108c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 6109c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6110c16339b6SMark Zhang return false; 6111c16339b6SMark Zhang 6112c16339b6SMark Zhang return true; 6113c16339b6SMark Zhang } 6114c16339b6SMark Zhang 611579b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 611679b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 611779b20a6cSYishai Hadas struct ib_udata *udata, 611879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 611979b20a6cSYishai Hadas { 612079b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 612179b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 612279b20a6cSYishai Hadas int err; 612379b20a6cSYishai Hadas size_t required_cmd_sz; 612479b20a6cSYishai Hadas 6125ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 6126ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 612779b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 612879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 612979b20a6cSYishai Hadas return -EINVAL; 613079b20a6cSYishai Hadas } 613179b20a6cSYishai Hadas 613279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 613379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 613479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 613579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 613679b20a6cSYishai Hadas return -EOPNOTSUPP; 613779b20a6cSYishai Hadas } 613879b20a6cSYishai Hadas 613979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 614079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 614179b20a6cSYishai Hadas return -EFAULT; 614279b20a6cSYishai Hadas } 614379b20a6cSYishai Hadas 6144ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 614579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 614679b20a6cSYishai Hadas return -EOPNOTSUPP; 6147ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 6148ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 6149ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 615079b20a6cSYishai Hadas return -EOPNOTSUPP; 615179b20a6cSYishai Hadas } 6152ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 6153ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 6154ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 6155ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 6156ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 6157ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 6158ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 6159ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 6160ccc87087SNoa Osherovich return -EINVAL; 6161ccc87087SNoa Osherovich } 6162c16339b6SMark Zhang if (!log_of_strides_valid(dev, 6163c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 6164c16339b6SMark Zhang mlx5_ib_dbg( 6165c16339b6SMark Zhang dev, 6166c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 6167ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 6168c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 6169c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 6170ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 6171ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 6172ccc87087SNoa Osherovich return -EINVAL; 6173ccc87087SNoa Osherovich } 6174ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 6175ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 6176ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 6177ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 6178ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 6179ccc87087SNoa Osherovich } 618079b20a6cSYishai Hadas 618179b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 618279b20a6cSYishai Hadas if (err) { 618379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 618479b20a6cSYishai Hadas return err; 618579b20a6cSYishai Hadas } 618679b20a6cSYishai Hadas 6187b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 618879b20a6cSYishai Hadas if (err) { 618979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 619079b20a6cSYishai Hadas return err; 619179b20a6cSYishai Hadas } 619279b20a6cSYishai Hadas 619379b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 619479b20a6cSYishai Hadas return 0; 619579b20a6cSYishai Hadas } 619679b20a6cSYishai Hadas 619779b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 619879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 619979b20a6cSYishai Hadas struct ib_udata *udata) 620079b20a6cSYishai Hadas { 620179b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 620279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 620379b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 620479b20a6cSYishai Hadas size_t min_resp_len; 620579b20a6cSYishai Hadas int err; 620679b20a6cSYishai Hadas 620779b20a6cSYishai Hadas if (!udata) 620879b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 620979b20a6cSYishai Hadas 621079b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 621179b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 621279b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 621379b20a6cSYishai Hadas 6214ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 6215ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 6216ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 6217ba80013fSMaor Gottlieb 621879b20a6cSYishai Hadas dev = to_mdev(pd->device); 621979b20a6cSYishai Hadas switch (init_attr->wq_type) { 622079b20a6cSYishai Hadas case IB_WQT_RQ: 622179b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 622279b20a6cSYishai Hadas if (!rwq) 622379b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 622479b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 622579b20a6cSYishai Hadas if (err) 622679b20a6cSYishai Hadas goto err; 622779b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 622879b20a6cSYishai Hadas if (err) 622979b20a6cSYishai Hadas goto err_user_rq; 623079b20a6cSYishai Hadas break; 623179b20a6cSYishai Hadas default: 623279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 623379b20a6cSYishai Hadas init_attr->wq_type); 623479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 623579b20a6cSYishai Hadas } 623679b20a6cSYishai Hadas 6237350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 623879b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 623979b20a6cSYishai Hadas if (udata->outlen) { 624079b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 624179b20a6cSYishai Hadas sizeof(resp.response_length); 624279b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 624379b20a6cSYishai Hadas if (err) 624479b20a6cSYishai Hadas goto err_copy; 624579b20a6cSYishai Hadas } 624679b20a6cSYishai Hadas 6247350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 6248350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 624979b20a6cSYishai Hadas return &rwq->ibwq; 625079b20a6cSYishai Hadas 625179b20a6cSYishai Hadas err_copy: 6252333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 625379b20a6cSYishai Hadas err_user_rq: 6254bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 625579b20a6cSYishai Hadas err: 625679b20a6cSYishai Hadas kfree(rwq); 625779b20a6cSYishai Hadas return ERR_PTR(err); 625879b20a6cSYishai Hadas } 625979b20a6cSYishai Hadas 6260a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 626179b20a6cSYishai Hadas { 626279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 626379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 626479b20a6cSYishai Hadas 6265333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 6266bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 626779b20a6cSYishai Hadas kfree(rwq); 626879b20a6cSYishai Hadas } 626979b20a6cSYishai Hadas 6270c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 6271c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 6272c5f90929SYishai Hadas struct ib_udata *udata) 6273c5f90929SYishai Hadas { 6274c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 6275c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 6276c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 6277c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 6278c5f90929SYishai Hadas size_t min_resp_len; 6279c5f90929SYishai Hadas int inlen; 6280c5f90929SYishai Hadas int err; 6281c5f90929SYishai Hadas int i; 6282c5f90929SYishai Hadas u32 *in; 6283c5f90929SYishai Hadas void *rqtc; 6284c5f90929SYishai Hadas 6285c5f90929SYishai Hadas if (udata->inlen > 0 && 6286c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 6287c5f90929SYishai Hadas udata->inlen)) 6288c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 6289c5f90929SYishai Hadas 6290efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 6291efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 6292efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 6293efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 6294efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 6295efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 6296efd7f400SMaor Gottlieb } 6297efd7f400SMaor Gottlieb 6298c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 6299c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 6300c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 6301c5f90929SYishai Hadas 6302c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 6303c5f90929SYishai Hadas if (!rwq_ind_tbl) 6304c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 6305c5f90929SYishai Hadas 6306c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 63071b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 6308c5f90929SYishai Hadas if (!in) { 6309c5f90929SYishai Hadas err = -ENOMEM; 6310c5f90929SYishai Hadas goto err; 6311c5f90929SYishai Hadas } 6312c5f90929SYishai Hadas 6313c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6314c5f90929SYishai Hadas 6315c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6316c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6317c5f90929SYishai Hadas 6318c5f90929SYishai Hadas for (i = 0; i < sz; i++) 6319c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 6320c5f90929SYishai Hadas 63215deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 63225deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 63235deba86eSYishai Hadas 6324c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 6325c5f90929SYishai Hadas kvfree(in); 6326c5f90929SYishai Hadas 6327c5f90929SYishai Hadas if (err) 6328c5f90929SYishai Hadas goto err; 6329c5f90929SYishai Hadas 6330c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 6331c5f90929SYishai Hadas if (udata->outlen) { 6332c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 6333c5f90929SYishai Hadas sizeof(resp.response_length); 6334c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 6335c5f90929SYishai Hadas if (err) 6336c5f90929SYishai Hadas goto err_copy; 6337c5f90929SYishai Hadas } 6338c5f90929SYishai Hadas 6339c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 6340c5f90929SYishai Hadas 6341c5f90929SYishai Hadas err_copy: 63425deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6343c5f90929SYishai Hadas err: 6344c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6345c5f90929SYishai Hadas return ERR_PTR(err); 6346c5f90929SYishai Hadas } 6347c5f90929SYishai Hadas 6348c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 6349c5f90929SYishai Hadas { 6350c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 6351c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 6352c5f90929SYishai Hadas 63535deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6354c5f90929SYishai Hadas 6355c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6356c5f90929SYishai Hadas return 0; 6357c5f90929SYishai Hadas } 6358c5f90929SYishai Hadas 635979b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 636079b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 636179b20a6cSYishai Hadas { 636279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 636379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 636479b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 636579b20a6cSYishai Hadas size_t required_cmd_sz; 636679b20a6cSYishai Hadas int curr_wq_state; 636779b20a6cSYishai Hadas int wq_state; 636879b20a6cSYishai Hadas int inlen; 636979b20a6cSYishai Hadas int err; 637079b20a6cSYishai Hadas void *rqc; 637179b20a6cSYishai Hadas void *in; 637279b20a6cSYishai Hadas 637379b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 637479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 637579b20a6cSYishai Hadas return -EINVAL; 637679b20a6cSYishai Hadas 637779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 637879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 637979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 638079b20a6cSYishai Hadas return -EOPNOTSUPP; 638179b20a6cSYishai Hadas 638279b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 638379b20a6cSYishai Hadas return -EFAULT; 638479b20a6cSYishai Hadas 638579b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 638679b20a6cSYishai Hadas return -EOPNOTSUPP; 638779b20a6cSYishai Hadas 638879b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 63891b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 639079b20a6cSYishai Hadas if (!in) 639179b20a6cSYishai Hadas return -ENOMEM; 639279b20a6cSYishai Hadas 639379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 639479b20a6cSYishai Hadas 639579b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 639679b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 639779b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 639879b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 639979b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 640079b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 640179b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 640279b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 640379b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 640434d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 640579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 640679b20a6cSYishai Hadas 6407b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6408b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6409b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6410b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6411b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6412b1f74a84SNoa Osherovich "supported\n"); 6413b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6414b1f74a84SNoa Osherovich goto out; 6415b1f74a84SNoa Osherovich } 6416b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6417b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6418b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6419b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6420b1f74a84SNoa Osherovich } 6421b1383aa6SNoa Osherovich 6422b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6423b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6424b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6425b1383aa6SNoa Osherovich goto out; 6426b1383aa6SNoa Osherovich } 6427b1f74a84SNoa Osherovich } 6428b1f74a84SNoa Osherovich 642923a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 64303e1f000fSParav Pandit u16 set_id; 64313e1f000fSParav Pandit 64323e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 643323a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 643423a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 643523a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 64363e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 643723a6964eSMajd Dibbiny } else 64385a738b5dSJason Gunthorpe dev_info_once( 64395a738b5dSJason Gunthorpe &dev->ib_dev.dev, 64405a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 644123a6964eSMajd Dibbiny } 644223a6964eSMajd Dibbiny 6443e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 644479b20a6cSYishai Hadas if (!err) 644579b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 644679b20a6cSYishai Hadas 6447b1f74a84SNoa Osherovich out: 6448b1f74a84SNoa Osherovich kvfree(in); 644979b20a6cSYishai Hadas return err; 645079b20a6cSYishai Hadas } 6451d0e84c0aSYishai Hadas 6452d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6453d0e84c0aSYishai Hadas struct ib_cqe cqe; 6454d0e84c0aSYishai Hadas struct completion done; 6455d0e84c0aSYishai Hadas }; 6456d0e84c0aSYishai Hadas 6457d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6458d0e84c0aSYishai Hadas { 6459d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6460d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6461d0e84c0aSYishai Hadas cqe); 6462d0e84c0aSYishai Hadas 6463d0e84c0aSYishai Hadas complete(&cqe->done); 6464d0e84c0aSYishai Hadas } 6465d0e84c0aSYishai Hadas 6466d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6467d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6468d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6469d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6470d0e84c0aSYishai Hadas { 6471d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6472d0e84c0aSYishai Hadas 6473d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6474d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6475d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6476d0e84c0aSYishai Hadas return; 6477d0e84c0aSYishai Hadas } 6478d0e84c0aSYishai Hadas 6479d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6480d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6481d0e84c0aSYishai Hadas bool triggered = false; 6482d0e84c0aSYishai Hadas unsigned long flags; 6483d0e84c0aSYishai Hadas 6484d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6485d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6486d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6487d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6488d0e84c0aSYishai Hadas else 6489d0e84c0aSYishai Hadas triggered = true; 6490d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6491d0e84c0aSYishai Hadas 6492d0e84c0aSYishai Hadas if (triggered) { 6493d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6494d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6495d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6496d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6497d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6498d0e84c0aSYishai Hadas break; 6499d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6500d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6501d0e84c0aSYishai Hadas break; 6502d0e84c0aSYishai Hadas default: 6503d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6504d0e84c0aSYishai Hadas } 6505d0e84c0aSYishai Hadas } 6506d0e84c0aSYishai Hadas 6507d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6508d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6509d0e84c0aSYishai Hadas */ 65104e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 6511d0e84c0aSYishai Hadas } 6512d0e84c0aSYishai Hadas 6513d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6514d0e84c0aSYishai Hadas } 6515d0e84c0aSYishai Hadas 6516d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6517d0e84c0aSYishai Hadas { 6518d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6519d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6520d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6521d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6522d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6523d0e84c0aSYishai Hadas .wr = { 6524d0e84c0aSYishai Hadas .next = NULL, 6525d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6526d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6527d0e84c0aSYishai Hadas }, 6528d0e84c0aSYishai Hadas }; 6529d0e84c0aSYishai Hadas int ret; 6530d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6531d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6532d0e84c0aSYishai Hadas 6533d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6534d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6535d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6536d0e84c0aSYishai Hadas return; 6537d0e84c0aSYishai Hadas } 6538d0e84c0aSYishai Hadas 6539d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6540d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6541d0e84c0aSYishai Hadas 6542d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6543d0e84c0aSYishai Hadas if (ret) { 6544d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6545d0e84c0aSYishai Hadas return; 6546d0e84c0aSYishai Hadas } 6547d0e84c0aSYishai Hadas 6548d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6549d0e84c0aSYishai Hadas } 6550d0e84c0aSYishai Hadas 6551d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6552d0e84c0aSYishai Hadas { 6553d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6554d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6555d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6556d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6557d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6558d0e84c0aSYishai Hadas int ret; 6559d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6560d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6561d0e84c0aSYishai Hadas 6562d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6563d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6564d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6565d0e84c0aSYishai Hadas return; 6566d0e84c0aSYishai Hadas } 6567d0e84c0aSYishai Hadas 6568d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6569d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6570d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6571d0e84c0aSYishai Hadas 6572d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6573d0e84c0aSYishai Hadas if (ret) { 6574d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6575d0e84c0aSYishai Hadas return; 6576d0e84c0aSYishai Hadas } 6577d0e84c0aSYishai Hadas 6578d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6579d0e84c0aSYishai Hadas } 6580d14133ddSMark Zhang 6581d14133ddSMark Zhang /** 6582d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 6583d14133ddSMark Zhang * the default counter 6584d14133ddSMark Zhang */ 6585d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 6586d14133ddSMark Zhang { 658710189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 6588d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 6589d14133ddSMark Zhang int err = 0; 6590d14133ddSMark Zhang 6591d14133ddSMark Zhang mutex_lock(&mqp->mutex); 6592d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 6593d14133ddSMark Zhang qp->counter = counter; 6594d14133ddSMark Zhang goto out; 6595d14133ddSMark Zhang } 6596d14133ddSMark Zhang 659710189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 659810189e8eSMark Zhang err = -EOPNOTSUPP; 659910189e8eSMark Zhang goto out; 660010189e8eSMark Zhang } 660110189e8eSMark Zhang 6602d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 6603d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 6604d14133ddSMark Zhang if (!err) 6605d14133ddSMark Zhang qp->counter = counter; 6606d14133ddSMark Zhang 6607d14133ddSMark Zhang goto out; 6608d14133ddSMark Zhang } 6609d14133ddSMark Zhang 6610d14133ddSMark Zhang mqp->counter_pending = 1; 6611d14133ddSMark Zhang qp->counter = counter; 6612d14133ddSMark Zhang 6613d14133ddSMark Zhang out: 6614d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 6615d14133ddSMark Zhang return err; 6616d14133ddSMark Zhang } 6617