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" 42e126ba97SEli Cohen 43e126ba97SEli Cohen /* not supported currently */ 44e126ba97SEli Cohen static int wq_signature; 45e126ba97SEli Cohen 46e126ba97SEli Cohen enum { 47e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 48e126ba97SEli Cohen }; 49e126ba97SEli Cohen 50e126ba97SEli Cohen enum { 51e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 52e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 54e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 55e126ba97SEli Cohen }; 56e126ba97SEli Cohen 57e126ba97SEli Cohen enum { 58e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 59064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, 60e126ba97SEli Cohen }; 61e126ba97SEli Cohen 62e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 63e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 64f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 65e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 66e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 67e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 68e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 69e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 70e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 71e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 72e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 738a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 74e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 75e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 76e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 77e126ba97SEli Cohen }; 78e126ba97SEli Cohen 79f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 80f0313965SErez Shitrit u8 rsvd0[16]; 81f0313965SErez Shitrit }; 82e126ba97SEli Cohen 83eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 84eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 857d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 86eb49ab0cSAlex Vesker }; 87eb49ab0cSAlex Vesker 880680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 890680efa2SAlex Vesker u16 operation; 90eb49ab0cSAlex Vesker 91eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 9261147f39SBodong Wang 9361147f39SBodong Wang struct mlx5_rate_limit rl; 9461147f39SBodong Wang 95eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 96d5ed8ac3SMark Bloch u16 port; 970680efa2SAlex Vesker }; 980680efa2SAlex Vesker 9989ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 10089ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 10189ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10289ea94a7SMaor Gottlieb 103e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 104e126ba97SEli Cohen { 105e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 106e126ba97SEli Cohen } 107e126ba97SEli Cohen 108e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 109e126ba97SEli Cohen { 110e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 111e126ba97SEli Cohen } 112e126ba97SEli Cohen 113c1395a2aSHaggai Eran /** 114fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 115fbeb4075SMoni Shoua * to kernel buffer 116c1395a2aSHaggai Eran * 117fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 118fbeb4075SMoni Shoua * @buffer: buffer to copy to 119fbeb4075SMoni Shoua * @buflen: buffer length 120fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 121fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 122fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 123fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 124fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 125fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 126c1395a2aSHaggai Eran * 127fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 128fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 129c1395a2aSHaggai Eran * 130fbeb4075SMoni Shoua * Return: zero on success, or an error code. 131c1395a2aSHaggai Eran */ 132da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 133da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 134da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 135da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 136fbeb4075SMoni Shoua size_t *bytes_copied) 137c1395a2aSHaggai Eran { 138fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 139fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 140fbeb4075SMoni Shoua size_t copy_length; 141c1395a2aSHaggai Eran int ret; 142c1395a2aSHaggai Eran 143fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 144fbeb4075SMoni Shoua * beyond WQ end 145fbeb4075SMoni Shoua */ 146fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 147fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 148c1395a2aSHaggai Eran 149fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 150c1395a2aSHaggai Eran if (ret) 151c1395a2aSHaggai Eran return ret; 152c1395a2aSHaggai Eran 153fbeb4075SMoni Shoua if (!ret && bytes_copied) 154fbeb4075SMoni Shoua *bytes_copied = copy_length; 155c1395a2aSHaggai Eran 156fbeb4075SMoni Shoua return 0; 157fbeb4075SMoni Shoua } 158fbeb4075SMoni Shoua 159da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 160da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 161da9ee9d8SMoni Shoua { 162da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 163da9ee9d8SMoni Shoua size_t bytes_copied = 0; 164da9ee9d8SMoni Shoua size_t wqe_length; 165da9ee9d8SMoni Shoua void *p; 166da9ee9d8SMoni Shoua int ds; 167da9ee9d8SMoni Shoua 168da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 169da9ee9d8SMoni Shoua 170da9ee9d8SMoni Shoua /* read the control segment first */ 171da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 172da9ee9d8SMoni Shoua ctrl = p; 173da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 174da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 175da9ee9d8SMoni Shoua 176da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 177da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 178da9ee9d8SMoni Shoua size_t copy_length = 179da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 180da9ee9d8SMoni Shoua 181da9ee9d8SMoni Shoua if (!copy_length) 182da9ee9d8SMoni Shoua break; 183da9ee9d8SMoni Shoua 184da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 185da9ee9d8SMoni Shoua bytes_copied += copy_length; 186da9ee9d8SMoni Shoua 187da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 188da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 189da9ee9d8SMoni Shoua } 190da9ee9d8SMoni Shoua *bc = bytes_copied; 191da9ee9d8SMoni Shoua return 0; 192da9ee9d8SMoni Shoua } 193da9ee9d8SMoni Shoua 194da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 195da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 196fbeb4075SMoni Shoua { 197fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 198fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 199fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 200fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 201fbeb4075SMoni Shoua size_t bytes_copied; 202fbeb4075SMoni Shoua size_t bytes_copied2; 203fbeb4075SMoni Shoua size_t wqe_length; 204fbeb4075SMoni Shoua int ret; 205fbeb4075SMoni Shoua int ds; 206fbeb4075SMoni Shoua 207fbeb4075SMoni Shoua /* at first read as much as possible */ 208da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 209da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 210da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 211fbeb4075SMoni Shoua &bytes_copied); 212fbeb4075SMoni Shoua if (ret) 213fbeb4075SMoni Shoua return ret; 214fbeb4075SMoni Shoua 215fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 216fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 217fbeb4075SMoni Shoua return -EINVAL; 218fbeb4075SMoni Shoua 219fbeb4075SMoni Shoua ctrl = buffer; 220fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 221c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 222fbeb4075SMoni Shoua 223fbeb4075SMoni Shoua /* if we copied enough then we are done */ 224fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 225fbeb4075SMoni Shoua *bc = bytes_copied; 226fbeb4075SMoni Shoua return 0; 227c1395a2aSHaggai Eran } 228c1395a2aSHaggai Eran 229fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 230fbeb4075SMoni Shoua * so read the remaining bytes starting 231fbeb4075SMoni Shoua * from wqe_index 0 232fbeb4075SMoni Shoua */ 233da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 234da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 235da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 236fbeb4075SMoni Shoua wqe_length - bytes_copied, 237fbeb4075SMoni Shoua &bytes_copied2); 238c1395a2aSHaggai Eran 239c1395a2aSHaggai Eran if (ret) 240c1395a2aSHaggai Eran return ret; 241fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 242fbeb4075SMoni Shoua return 0; 243fbeb4075SMoni Shoua } 244c1395a2aSHaggai Eran 245da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 246da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 247da9ee9d8SMoni Shoua { 248da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 249da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 250da9ee9d8SMoni Shoua 251da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 252da9ee9d8SMoni Shoua return -EINVAL; 253da9ee9d8SMoni Shoua 254da9ee9d8SMoni Shoua if (!umem) 255da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 256da9ee9d8SMoni Shoua buflen, bc); 257da9ee9d8SMoni Shoua 258da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 259da9ee9d8SMoni Shoua } 260da9ee9d8SMoni Shoua 261da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 262da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 263fbeb4075SMoni Shoua { 264fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 265fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 266fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 267fbeb4075SMoni Shoua size_t bytes_copied; 268fbeb4075SMoni Shoua int ret; 269fbeb4075SMoni Shoua 270da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 271da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 272da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 273fbeb4075SMoni Shoua &bytes_copied); 274fbeb4075SMoni Shoua 275fbeb4075SMoni Shoua if (ret) 276fbeb4075SMoni Shoua return ret; 277fbeb4075SMoni Shoua *bc = bytes_copied; 278fbeb4075SMoni Shoua return 0; 279fbeb4075SMoni Shoua } 280fbeb4075SMoni Shoua 281da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 282da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 283da9ee9d8SMoni Shoua { 284da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 285da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 286da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 287da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 288da9ee9d8SMoni Shoua 289da9ee9d8SMoni Shoua if (buflen < wqe_size) 290da9ee9d8SMoni Shoua return -EINVAL; 291da9ee9d8SMoni Shoua 292da9ee9d8SMoni Shoua if (!umem) 293da9ee9d8SMoni Shoua return -EOPNOTSUPP; 294da9ee9d8SMoni Shoua 295da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 296da9ee9d8SMoni Shoua } 297da9ee9d8SMoni Shoua 298da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 299da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 300fbeb4075SMoni Shoua { 301fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 302fbeb4075SMoni Shoua size_t bytes_copied; 303fbeb4075SMoni Shoua int ret; 304fbeb4075SMoni Shoua 305da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 306da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 307da9ee9d8SMoni Shoua buflen, &bytes_copied); 308fbeb4075SMoni Shoua 309fbeb4075SMoni Shoua if (ret) 310fbeb4075SMoni Shoua return ret; 311fbeb4075SMoni Shoua *bc = bytes_copied; 312fbeb4075SMoni Shoua return 0; 313c1395a2aSHaggai Eran } 314c1395a2aSHaggai Eran 315da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 316da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 317da9ee9d8SMoni Shoua { 318da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 319da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 320da9ee9d8SMoni Shoua 321da9ee9d8SMoni Shoua if (buflen < wqe_size) 322da9ee9d8SMoni Shoua return -EINVAL; 323da9ee9d8SMoni Shoua 324da9ee9d8SMoni Shoua if (!umem) 325da9ee9d8SMoni Shoua return -EOPNOTSUPP; 326da9ee9d8SMoni Shoua 327da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 328da9ee9d8SMoni Shoua } 329da9ee9d8SMoni Shoua 330e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 331e126ba97SEli Cohen { 332e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 333e126ba97SEli Cohen struct ib_event event; 334e126ba97SEli Cohen 33519098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 33619098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 33719098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 33819098df2Smajd@mellanox.com } 339e126ba97SEli Cohen 340e126ba97SEli Cohen if (ibqp->event_handler) { 341e126ba97SEli Cohen event.device = ibqp->device; 342e126ba97SEli Cohen event.element.qp = ibqp; 343e126ba97SEli Cohen switch (type) { 344e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 345e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 346e126ba97SEli Cohen break; 347e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 348e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 349e126ba97SEli Cohen break; 350e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 351e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 352e126ba97SEli Cohen break; 353e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 354e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 355e126ba97SEli Cohen break; 356e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 357e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 358e126ba97SEli Cohen break; 359e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 360e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 361e126ba97SEli Cohen break; 362e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 363e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 364e126ba97SEli Cohen break; 365e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 366e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 367e126ba97SEli Cohen break; 368e126ba97SEli Cohen default: 369e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 370e126ba97SEli Cohen return; 371e126ba97SEli Cohen } 372e126ba97SEli Cohen 373e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 374e126ba97SEli Cohen } 375e126ba97SEli Cohen } 376e126ba97SEli Cohen 377e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 378e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 379e126ba97SEli Cohen { 380e126ba97SEli Cohen int wqe_size; 381e126ba97SEli Cohen int wq_size; 382e126ba97SEli Cohen 383e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 384938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 385e126ba97SEli Cohen return -EINVAL; 386e126ba97SEli Cohen 387e126ba97SEli Cohen if (!has_rq) { 388e126ba97SEli Cohen qp->rq.max_gs = 0; 389e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 390e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3910540d814SNoa Osherovich cap->max_recv_wr = 0; 3920540d814SNoa Osherovich cap->max_recv_sge = 0; 393e126ba97SEli Cohen } else { 394e126ba97SEli Cohen if (ucmd) { 395e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 396002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 397002bf228SLeon Romanovsky return -EINVAL; 398e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 399002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 400002bf228SLeon Romanovsky return -EINVAL; 401e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 402e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 403e126ba97SEli Cohen } else { 404e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 405e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 406e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 407e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 408e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 409e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 410938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 411e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 412e126ba97SEli Cohen wqe_size, 413938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 414938fe83cSSaeed Mahameed max_wqe_sz_rq)); 415e126ba97SEli Cohen return -EINVAL; 416e126ba97SEli Cohen } 417e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 418e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 419e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 420e126ba97SEli Cohen } 421e126ba97SEli Cohen } 422e126ba97SEli Cohen 423e126ba97SEli Cohen return 0; 424e126ba97SEli Cohen } 425e126ba97SEli Cohen 426f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 427e126ba97SEli Cohen { 428618af384SAndi Shyti int size = 0; 429e126ba97SEli Cohen 430f0313965SErez Shitrit switch (attr->qp_type) { 431e126ba97SEli Cohen case IB_QPT_XRC_INI: 432b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 433e126ba97SEli Cohen /* fall through */ 434e126ba97SEli Cohen case IB_QPT_RC: 435e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 43675c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 43775c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 43875c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 439064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 440064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 441064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 442e126ba97SEli Cohen break; 443e126ba97SEli Cohen 444b125a54bSEli Cohen case IB_QPT_XRC_TGT: 445b125a54bSEli Cohen return 0; 446b125a54bSEli Cohen 447e126ba97SEli Cohen case IB_QPT_UC: 448b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 44975c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4509e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 45175c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 452e126ba97SEli Cohen break; 453e126ba97SEli Cohen 454e126ba97SEli Cohen case IB_QPT_UD: 455f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 456f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 457f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 458f0313965SErez Shitrit /* fall through */ 459e126ba97SEli Cohen case IB_QPT_SMI: 460d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 461b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 462e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 463e126ba97SEli Cohen break; 464e126ba97SEli Cohen 465e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 466b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 467e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 468e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 469e126ba97SEli Cohen break; 470e126ba97SEli Cohen 471e126ba97SEli Cohen default: 472e126ba97SEli Cohen return -EINVAL; 473e126ba97SEli Cohen } 474e126ba97SEli Cohen 475e126ba97SEli Cohen return size; 476e126ba97SEli Cohen } 477e126ba97SEli Cohen 478e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 479e126ba97SEli Cohen { 480e126ba97SEli Cohen int inl_size = 0; 481e126ba97SEli Cohen int size; 482e126ba97SEli Cohen 483f0313965SErez Shitrit size = sq_overhead(attr); 484e126ba97SEli Cohen if (size < 0) 485e126ba97SEli Cohen return size; 486e126ba97SEli Cohen 487e126ba97SEli Cohen if (attr->cap.max_inline_data) { 488e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 489e126ba97SEli Cohen attr->cap.max_inline_data; 490e126ba97SEli Cohen } 491e126ba97SEli Cohen 492e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 493c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 494e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 495e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 496e1e66cc2SSagi Grimberg else 497e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 498e126ba97SEli Cohen } 499e126ba97SEli Cohen 500288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 501288c01b7SEli Cohen { 502288c01b7SEli Cohen int max_sge; 503288c01b7SEli Cohen 504288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 505288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 506288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 507288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 508288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 509288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 510288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 511288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 512288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 513288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 514288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 515288c01b7SEli Cohen else 516288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 517288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 518288c01b7SEli Cohen 519288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 520288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 521288c01b7SEli Cohen } 522288c01b7SEli Cohen 523e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 524e126ba97SEli Cohen struct mlx5_ib_qp *qp) 525e126ba97SEli Cohen { 526e126ba97SEli Cohen int wqe_size; 527e126ba97SEli Cohen int wq_size; 528e126ba97SEli Cohen 529e126ba97SEli Cohen if (!attr->cap.max_send_wr) 530e126ba97SEli Cohen return 0; 531e126ba97SEli Cohen 532e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 533e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 534e126ba97SEli Cohen if (wqe_size < 0) 535e126ba97SEli Cohen return wqe_size; 536e126ba97SEli Cohen 537938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 538b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 539938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 540e126ba97SEli Cohen return -EINVAL; 541e126ba97SEli Cohen } 542e126ba97SEli Cohen 543f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 544e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 545e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 546e126ba97SEli Cohen 547e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 548e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 549938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5501974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5511974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 552938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 553938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 554b125a54bSEli Cohen return -ENOMEM; 555b125a54bSEli Cohen } 556e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 557288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 558288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 559288c01b7SEli Cohen return -ENOMEM; 560288c01b7SEli Cohen 561288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 562b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 563b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 564e126ba97SEli Cohen 565e126ba97SEli Cohen return wq_size; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 569e126ba97SEli Cohen struct mlx5_ib_qp *qp, 57019098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5710fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5720fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 573e126ba97SEli Cohen { 574e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 575e126ba97SEli Cohen 576938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 577e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 578938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 579e126ba97SEli Cohen return -EINVAL; 580e126ba97SEli Cohen } 581e126ba97SEli Cohen 582af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 583af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 584af8b38edSGal Pressman ucmd->sq_wqe_count); 585e126ba97SEli Cohen return -EINVAL; 586e126ba97SEli Cohen } 587e126ba97SEli Cohen 588e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 589e126ba97SEli Cohen 590938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 591e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 592938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 593938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 594e126ba97SEli Cohen return -EINVAL; 595e126ba97SEli Cohen } 596e126ba97SEli Cohen 597c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 598c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 5990fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 6000fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 6010fb2ed66Smajd@mellanox.com } else { 60219098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 603e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 6040fb2ed66Smajd@mellanox.com } 605e126ba97SEli Cohen 606e126ba97SEli Cohen return 0; 607e126ba97SEli Cohen } 608e126ba97SEli Cohen 609e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 610e126ba97SEli Cohen { 611e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 612e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 613e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 614e126ba97SEli Cohen !attr->cap.max_recv_wr) 615e126ba97SEli Cohen return 0; 616e126ba97SEli Cohen 617e126ba97SEli Cohen return 1; 618e126ba97SEli Cohen } 619e126ba97SEli Cohen 6200b80c14fSEli Cohen enum { 6210b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6220b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6230b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6240b80c14fSEli Cohen * "odd/even" order 6250b80c14fSEli Cohen */ 6260b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6270b80c14fSEli Cohen }; 6280b80c14fSEli Cohen 629b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 630b037c29aSEli Cohen { 63131a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 632b037c29aSEli Cohen } 633b037c29aSEli Cohen 634b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 635b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 636c1be5232SEli Cohen { 637c1be5232SEli Cohen int n; 638c1be5232SEli Cohen 639b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 640b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 641c1be5232SEli Cohen 642c1be5232SEli Cohen return n >= 0 ? n : 0; 643c1be5232SEli Cohen } 644c1be5232SEli Cohen 64518b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 64618b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 64718b0362eSYishai Hadas { 64818b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 64918b0362eSYishai Hadas } 65018b0362eSYishai Hadas 651b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 652b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 653c1be5232SEli Cohen { 654c1be5232SEli Cohen int med; 655c1be5232SEli Cohen 656b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 657b037c29aSEli Cohen return ++med; 658c1be5232SEli Cohen } 659c1be5232SEli Cohen 660b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 661b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 662e126ba97SEli Cohen { 663e126ba97SEli Cohen int i; 664e126ba97SEli Cohen 665b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 666b037c29aSEli Cohen if (!bfregi->count[i]) { 6672f5ff264SEli Cohen bfregi->count[i]++; 668e126ba97SEli Cohen return i; 669e126ba97SEli Cohen } 670e126ba97SEli Cohen } 671e126ba97SEli Cohen 672e126ba97SEli Cohen return -ENOMEM; 673e126ba97SEli Cohen } 674e126ba97SEli Cohen 675b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 676b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 677e126ba97SEli Cohen { 67818b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 679e126ba97SEli Cohen int i; 680e126ba97SEli Cohen 68118b0362eSYishai Hadas if (minidx < 0) 68218b0362eSYishai Hadas return minidx; 68318b0362eSYishai Hadas 68418b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6852f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 686e126ba97SEli Cohen minidx = i; 6870b80c14fSEli Cohen if (!bfregi->count[minidx]) 6880b80c14fSEli Cohen break; 689e126ba97SEli Cohen } 690e126ba97SEli Cohen 6912f5ff264SEli Cohen bfregi->count[minidx]++; 692e126ba97SEli Cohen return minidx; 693e126ba97SEli Cohen } 694e126ba97SEli Cohen 695b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 696ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 697e126ba97SEli Cohen { 698ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 699e126ba97SEli Cohen 7000a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7010a2fd01cSYishai Hadas return -EINVAL; 7020a2fd01cSYishai Hadas 7032f5ff264SEli Cohen mutex_lock(&bfregi->lock); 704ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 705ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 706ffaf58deSLeon Romanovsky if (bfregn < 0) 707ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 708ffaf58deSLeon Romanovsky } 709ffaf58deSLeon Romanovsky 710ffaf58deSLeon Romanovsky if (bfregn < 0) { 7110b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 7122f5ff264SEli Cohen bfregn = 0; 7132f5ff264SEli Cohen bfregi->count[bfregn]++; 714e126ba97SEli Cohen } 7152f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 716e126ba97SEli Cohen 7172f5ff264SEli Cohen return bfregn; 718e126ba97SEli Cohen } 719e126ba97SEli Cohen 7204ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 721e126ba97SEli Cohen { 7222f5ff264SEli Cohen mutex_lock(&bfregi->lock); 723b037c29aSEli Cohen bfregi->count[bfregn]--; 7242f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 725e126ba97SEli Cohen } 726e126ba97SEli Cohen 727e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 728e126ba97SEli Cohen { 729e126ba97SEli Cohen switch (state) { 730e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 731e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 732e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 733e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 734e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 735e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 736e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 737e126ba97SEli Cohen default: return -1; 738e126ba97SEli Cohen } 739e126ba97SEli Cohen } 740e126ba97SEli Cohen 741e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 742e126ba97SEli Cohen { 743e126ba97SEli Cohen switch (type) { 744e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 745e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 746e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 747e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 748e126ba97SEli Cohen case IB_QPT_XRC_INI: 749e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 750e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 751d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 752c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 753e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 754e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 7550fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 756e126ba97SEli Cohen case IB_QPT_MAX: 757e126ba97SEli Cohen default: return -EINVAL; 758e126ba97SEli Cohen } 759e126ba97SEli Cohen } 760e126ba97SEli Cohen 76189ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 76289ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 76389ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 76489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 76589ea94a7SMaor Gottlieb 7667c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 76705f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7681ee47ab3SYishai Hadas bool dyn_bfreg) 769e126ba97SEli Cohen { 77005f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 77105f58cebSLeon Romanovsky u32 index_of_sys_page; 77205f58cebSLeon Romanovsky u32 offset; 773b037c29aSEli Cohen 7740a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7750a2fd01cSYishai Hadas return -EINVAL; 7760a2fd01cSYishai Hadas 777b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 778b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 779b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 780b037c29aSEli Cohen 78105f58cebSLeon Romanovsky if (dyn_bfreg) { 78205f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 78305f58cebSLeon Romanovsky 7847c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7857c043e90SYishai Hadas return -EINVAL; 7867c043e90SYishai Hadas 7871ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7881ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7891ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7901ee47ab3SYishai Hadas return -EINVAL; 7911ee47ab3SYishai Hadas } 7921ee47ab3SYishai Hadas } 793b037c29aSEli Cohen 7941ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 795b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 796e126ba97SEli Cohen } 797e126ba97SEli Cohen 798b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 79919098df2Smajd@mellanox.com unsigned long addr, size_t size, 800b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 801b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 80219098df2Smajd@mellanox.com { 80319098df2Smajd@mellanox.com int err; 80419098df2Smajd@mellanox.com 805c320e527SMoni Shoua *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); 80619098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 80719098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 80819098df2Smajd@mellanox.com return PTR_ERR(*umem); 80919098df2Smajd@mellanox.com } 81019098df2Smajd@mellanox.com 811762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 81219098df2Smajd@mellanox.com 81319098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 81419098df2Smajd@mellanox.com if (err) { 81519098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 81619098df2Smajd@mellanox.com goto err_umem; 81719098df2Smajd@mellanox.com } 81819098df2Smajd@mellanox.com 81919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 82019098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 82119098df2Smajd@mellanox.com 82219098df2Smajd@mellanox.com return 0; 82319098df2Smajd@mellanox.com 82419098df2Smajd@mellanox.com err_umem: 82519098df2Smajd@mellanox.com ib_umem_release(*umem); 82619098df2Smajd@mellanox.com *umem = NULL; 82719098df2Smajd@mellanox.com 82819098df2Smajd@mellanox.com return err; 82919098df2Smajd@mellanox.com } 83019098df2Smajd@mellanox.com 831fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 832bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 83379b20a6cSYishai Hadas { 834bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 835bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 836bdeacabdSShamir Rabinovitch udata, 837bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 838bdeacabdSShamir Rabinovitch ibucontext); 83979b20a6cSYishai Hadas 840fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 841fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 842fe248c3aSMaor Gottlieb 84379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 84479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84579b20a6cSYishai Hadas } 84679b20a6cSYishai Hadas 84779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 848b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 84979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 85079b20a6cSYishai Hadas { 85189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 85289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 85379b20a6cSYishai Hadas int page_shift = 0; 85479b20a6cSYishai Hadas int npages; 85579b20a6cSYishai Hadas u32 offset = 0; 85679b20a6cSYishai Hadas int ncont = 0; 85779b20a6cSYishai Hadas int err; 85879b20a6cSYishai Hadas 85979b20a6cSYishai Hadas if (!ucmd->buf_addr) 86079b20a6cSYishai Hadas return -EINVAL; 86179b20a6cSYishai Hadas 862c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 86379b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 86479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 86579b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 86679b20a6cSYishai Hadas return err; 86779b20a6cSYishai Hadas } 86879b20a6cSYishai Hadas 869762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 87079b20a6cSYishai Hadas &ncont, NULL); 87179b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 87279b20a6cSYishai Hadas &rwq->rq_page_offset); 87379b20a6cSYishai Hadas if (err) { 87479b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 87579b20a6cSYishai Hadas goto err_umem; 87679b20a6cSYishai Hadas } 87779b20a6cSYishai Hadas 87879b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 87979b20a6cSYishai Hadas rwq->page_shift = page_shift; 88079b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 88179b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 88279b20a6cSYishai Hadas 88379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 88479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 88579b20a6cSYishai Hadas npages, page_shift, ncont, offset); 88679b20a6cSYishai Hadas 88789944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 88879b20a6cSYishai Hadas if (err) { 88979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 89079b20a6cSYishai Hadas goto err_umem; 89179b20a6cSYishai Hadas } 89279b20a6cSYishai Hadas 89379b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 89479b20a6cSYishai Hadas return 0; 89579b20a6cSYishai Hadas 89679b20a6cSYishai Hadas err_umem: 89779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 89879b20a6cSYishai Hadas return err; 89979b20a6cSYishai Hadas } 90079b20a6cSYishai Hadas 901b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 902b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 903b037c29aSEli Cohen { 904b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 905b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 906b037c29aSEli Cohen } 907b037c29aSEli Cohen 908e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 909e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 9100fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 91109a7d9ecSSaeed Mahameed u32 **in, 91219098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 91319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 914e126ba97SEli Cohen { 915e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 916e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 91719098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 9189e9c47d0SEli Cohen int page_shift = 0; 9191ee47ab3SYishai Hadas int uar_index = 0; 920e126ba97SEli Cohen int npages; 9219e9c47d0SEli Cohen u32 offset = 0; 9222f5ff264SEli Cohen int bfregn; 9239e9c47d0SEli Cohen int ncont = 0; 92409a7d9ecSSaeed Mahameed __be64 *pas; 92509a7d9ecSSaeed Mahameed void *qpc; 926e126ba97SEli Cohen int err; 9275aa3771dSYishai Hadas u16 uid; 928ac42a5eeSYishai Hadas u32 uar_flags; 929e126ba97SEli Cohen 930e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 931e126ba97SEli Cohen if (err) { 932e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 933e126ba97SEli Cohen return err; 934e126ba97SEli Cohen } 935e126ba97SEli Cohen 93689944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 93789944450SShamir Rabinovitch ibucontext); 938ac42a5eeSYishai Hadas uar_flags = ucmd.flags & (MLX5_QP_FLAG_UAR_PAGE_INDEX | 939ac42a5eeSYishai Hadas MLX5_QP_FLAG_BFREG_INDEX); 940ac42a5eeSYishai Hadas switch (uar_flags) { 941ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 942ac42a5eeSYishai Hadas uar_index = ucmd.bfreg_index; 943ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 944ac42a5eeSYishai Hadas break; 945ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 9461ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 9471ee47ab3SYishai Hadas ucmd.bfreg_index, true); 9481ee47ab3SYishai Hadas if (uar_index < 0) 9491ee47ab3SYishai Hadas return uar_index; 9501ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 951ac42a5eeSYishai Hadas break; 952ac42a5eeSYishai Hadas case 0: 953ac42a5eeSYishai Hadas if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 954ac42a5eeSYishai Hadas return -EINVAL; 955ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 956ffaf58deSLeon Romanovsky if (bfregn < 0) 9572f5ff264SEli Cohen return bfregn; 958ac42a5eeSYishai Hadas break; 959ac42a5eeSYishai Hadas default: 960ac42a5eeSYishai Hadas return -EINVAL; 961e126ba97SEli Cohen } 962e126ba97SEli Cohen 9632f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9641ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9651ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9661ee47ab3SYishai Hadas false); 967e126ba97SEli Cohen 96848fea837SHaggai Eran qp->rq.offset = 0; 96948fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 97048fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 97148fea837SHaggai Eran 9720fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 973e126ba97SEli Cohen if (err) 9742f5ff264SEli Cohen goto err_bfreg; 975e126ba97SEli Cohen 97619098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 97719098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 978b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 979b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 980b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 98119098df2Smajd@mellanox.com if (err) 9822f5ff264SEli Cohen goto err_bfreg; 9839e9c47d0SEli Cohen } else { 98419098df2Smajd@mellanox.com ubuffer->umem = NULL; 9859e9c47d0SEli Cohen } 986e126ba97SEli Cohen 98709a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 98809a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9891b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 990e126ba97SEli Cohen if (!*in) { 991e126ba97SEli Cohen err = -ENOMEM; 992e126ba97SEli Cohen goto err_umem; 993e126ba97SEli Cohen } 994e126ba97SEli Cohen 9957422edceSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT && 9967422edceSYishai Hadas attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9975aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 99809a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 99909a7d9ecSSaeed Mahameed if (ubuffer->umem) 100009a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 100109a7d9ecSSaeed Mahameed 100209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 100309a7d9ecSSaeed Mahameed 100409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 100509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 100609a7d9ecSSaeed Mahameed 100709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 10081ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 1009b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 10101ee47ab3SYishai Hadas else 10111ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 10122f5ff264SEli Cohen qp->bfregn = bfregn; 1013e126ba97SEli Cohen 1014b0ea0fa5SJason Gunthorpe err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); 1015e126ba97SEli Cohen if (err) { 1016e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 1017e126ba97SEli Cohen goto err_free; 1018e126ba97SEli Cohen } 1019e126ba97SEli Cohen 102041d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 1021e126ba97SEli Cohen if (err) { 1022e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1023e126ba97SEli Cohen goto err_unmap; 1024e126ba97SEli Cohen } 1025e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 1026e126ba97SEli Cohen 1027e126ba97SEli Cohen return 0; 1028e126ba97SEli Cohen 1029e126ba97SEli Cohen err_unmap: 1030e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 1031e126ba97SEli Cohen 1032e126ba97SEli Cohen err_free: 1033479163f4SAl Viro kvfree(*in); 1034e126ba97SEli Cohen 1035e126ba97SEli Cohen err_umem: 103619098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 1037e126ba97SEli Cohen 10382f5ff264SEli Cohen err_bfreg: 10391ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 10404ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 1041e126ba97SEli Cohen return err; 1042e126ba97SEli Cohen } 1043e126ba97SEli Cohen 1044b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1045bdeacabdSShamir Rabinovitch struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, 1046bdeacabdSShamir Rabinovitch struct ib_udata *udata) 1047e126ba97SEli Cohen { 1048bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 1049bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 1050bdeacabdSShamir Rabinovitch udata, 1051bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 1052bdeacabdSShamir Rabinovitch ibucontext); 1053e126ba97SEli Cohen 1054e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 105519098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10561ee47ab3SYishai Hadas 10571ee47ab3SYishai Hadas /* 10581ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10591ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10601ee47ab3SYishai Hadas */ 10611ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10624ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1063e126ba97SEli Cohen } 1064e126ba97SEli Cohen 106534f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 106634f4c955SGuy Levi * 106734f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 106834f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 106934f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 107034f4c955SGuy Levi * simply should check if it gets to an edge. 107134f4c955SGuy Levi * 107234f4c955SGuy Levi * @sq - SQ buffer. 107334f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 107434f4c955SGuy Levi * 107534f4c955SGuy Levi * Return: 107634f4c955SGuy Levi * The new edge. 107734f4c955SGuy Levi */ 107834f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 107934f4c955SGuy Levi { 108034f4c955SGuy Levi void *fragment_end; 108134f4c955SGuy Levi 108234f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 108334f4c955SGuy Levi (&sq->fbc, 108434f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 108534f4c955SGuy Levi 108634f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 108734f4c955SGuy Levi } 108834f4c955SGuy Levi 1089e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 1090e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1091e126ba97SEli Cohen struct mlx5_ib_qp *qp, 109209a7d9ecSSaeed Mahameed u32 **in, int *inlen, 109319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1094e126ba97SEli Cohen { 1095e126ba97SEli Cohen int uar_index; 109609a7d9ecSSaeed Mahameed void *qpc; 1097e126ba97SEli Cohen int err; 1098e126ba97SEli Cohen 1099c0a6cbb9SIsrael Rukshin if (init_attr->create_flags & ~(IB_QP_CREATE_INTEGRITY_EN | 1100f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 1101b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 110293d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 110311f552e2SMichael Guralnik MLX5_IB_QP_CREATE_SQPN_QP1 | 110411f552e2SMichael Guralnik MLX5_IB_QP_CREATE_WC_TEST)) 11051a4c3a3dSEli Cohen return -EINVAL; 1106e126ba97SEli Cohen 1107e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 11085fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 110911f552e2SMichael Guralnik else if (init_attr->create_flags & MLX5_IB_QP_CREATE_WC_TEST) 111011f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 11115fe9dec0SEli Cohen else 11125fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1113e126ba97SEli Cohen 1114d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1115d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1116d8030b0dSEli Cohen */ 1117d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 11185fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1119e126ba97SEli Cohen 1120e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1121e126ba97SEli Cohen if (err < 0) { 1122e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11235fe9dec0SEli Cohen return err; 1124e126ba97SEli Cohen } 1125e126ba97SEli Cohen 1126e126ba97SEli Cohen qp->rq.offset = 0; 1127e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 112819098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1129e126ba97SEli Cohen 113034f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 113134f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1132e126ba97SEli Cohen if (err) { 1133e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11345fe9dec0SEli Cohen return err; 1135e126ba97SEli Cohen } 1136e126ba97SEli Cohen 113734f4c955SGuy Levi if (qp->rq.wqe_cnt) 113834f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 113934f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 114034f4c955SGuy Levi 114134f4c955SGuy Levi if (qp->sq.wqe_cnt) { 114234f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 114334f4c955SGuy Levi MLX5_SEND_WQE_BB; 114434f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 114534f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 114634f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 114734f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 114834f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 114934f4c955SGuy Levi 115034f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 115134f4c955SGuy Levi } 115234f4c955SGuy Levi 115309a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 115409a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 11551b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1156e126ba97SEli Cohen if (!*in) { 1157e126ba97SEli Cohen err = -ENOMEM; 1158e126ba97SEli Cohen goto err_buf; 1159e126ba97SEli Cohen } 116009a7d9ecSSaeed Mahameed 116109a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 116209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 116309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 116409a7d9ecSSaeed Mahameed 1165e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 116609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 116709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1168e126ba97SEli Cohen 11693f89b01fSMichael Guralnik if (init_attr->create_flags & MLX5_IB_QP_CREATE_SQPN_QP1) { 117009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1171b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 1172b11a4f9cSHaggai Eran } 1173b11a4f9cSHaggai Eran 117434f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 117534f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 117634f4c955SGuy Levi *in, pas)); 1177e126ba97SEli Cohen 11789603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1179e126ba97SEli Cohen if (err) { 1180e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1181e126ba97SEli Cohen goto err_free; 1182e126ba97SEli Cohen } 1183e126ba97SEli Cohen 1184b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1185b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1186b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1187b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1188b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1189b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1190b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1191b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1192b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1193b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1194e126ba97SEli Cohen 1195e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1196e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1197e126ba97SEli Cohen err = -ENOMEM; 1198e126ba97SEli Cohen goto err_wrid; 1199e126ba97SEli Cohen } 1200e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1201e126ba97SEli Cohen 1202e126ba97SEli Cohen return 0; 1203e126ba97SEli Cohen 1204e126ba97SEli Cohen err_wrid: 1205b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1206b5883008SLi Dongyang kvfree(qp->sq.w_list); 1207b5883008SLi Dongyang kvfree(qp->sq.wrid); 1208b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1209b5883008SLi Dongyang kvfree(qp->rq.wrid); 1210f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1211e126ba97SEli Cohen 1212e126ba97SEli Cohen err_free: 1213479163f4SAl Viro kvfree(*in); 1214e126ba97SEli Cohen 1215e126ba97SEli Cohen err_buf: 121634f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1217e126ba97SEli Cohen return err; 1218e126ba97SEli Cohen } 1219e126ba97SEli Cohen 1220e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1221e126ba97SEli Cohen { 1222b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1223b5883008SLi Dongyang kvfree(qp->sq.w_list); 1224b5883008SLi Dongyang kvfree(qp->sq.wrid); 1225b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1226b5883008SLi Dongyang kvfree(qp->rq.wrid); 1227f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 122834f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1229e126ba97SEli Cohen } 1230e126ba97SEli Cohen 123109a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1232e126ba97SEli Cohen { 1233e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1234c32a4f29SMoni Shoua (attr->qp_type == MLX5_IB_QPT_DCI) || 1235e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 123609a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1237e126ba97SEli Cohen else if (!qp->has_rq) 123809a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1239e126ba97SEli Cohen else 124009a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1241e126ba97SEli Cohen } 1242e126ba97SEli Cohen 1243e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1244e126ba97SEli Cohen { 12455d6ff1baSYonatan Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC || 12465d6ff1baSYonatan Cohen qp_type == MLX5_IB_QPT_DCI) 1247e126ba97SEli Cohen return 1; 1248e126ba97SEli Cohen 1249e126ba97SEli Cohen return 0; 1250e126ba97SEli Cohen } 1251e126ba97SEli Cohen 12520fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1253c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 12541cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 12551cd6dbd3SYishai Hadas struct ib_pd *pd) 12560fb2ed66Smajd@mellanox.com { 1257c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 12580fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 12590fb2ed66Smajd@mellanox.com 12601cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 12610fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1262c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1263c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1264c2e53b2cSYishai Hadas 12650fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 12660fb2ed66Smajd@mellanox.com } 12670fb2ed66Smajd@mellanox.com 12680fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 12691cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 12700fb2ed66Smajd@mellanox.com { 12711cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 12720fb2ed66Smajd@mellanox.com } 12730fb2ed66Smajd@mellanox.com 1274d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1275b96c9ddeSMark Bloch { 1276b96c9ddeSMark Bloch if (sq->flow_rule) 1277b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1278d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1279b96c9ddeSMark Bloch } 1280b96c9ddeSMark Bloch 12810fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1282b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12830fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12840fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12850fb2ed66Smajd@mellanox.com { 12860fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12870fb2ed66Smajd@mellanox.com __be64 *pas; 12880fb2ed66Smajd@mellanox.com void *in; 12890fb2ed66Smajd@mellanox.com void *sqc; 12900fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12910fb2ed66Smajd@mellanox.com void *wq; 12920fb2ed66Smajd@mellanox.com int inlen; 12930fb2ed66Smajd@mellanox.com int err; 12940fb2ed66Smajd@mellanox.com int page_shift = 0; 12950fb2ed66Smajd@mellanox.com int npages; 12960fb2ed66Smajd@mellanox.com int ncont = 0; 12970fb2ed66Smajd@mellanox.com u32 offset = 0; 12980fb2ed66Smajd@mellanox.com 1299b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1300b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1301b0ea0fa5SJason Gunthorpe &offset); 13020fb2ed66Smajd@mellanox.com if (err) 13030fb2ed66Smajd@mellanox.com return err; 13040fb2ed66Smajd@mellanox.com 13050fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 13061b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13070fb2ed66Smajd@mellanox.com if (!in) { 13080fb2ed66Smajd@mellanox.com err = -ENOMEM; 13090fb2ed66Smajd@mellanox.com goto err_umem; 13100fb2ed66Smajd@mellanox.com } 13110fb2ed66Smajd@mellanox.com 1312c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 13130fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 13140fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1315795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1316795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 13170fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 13180fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13190fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 13200fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 13210fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 132296dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 132396dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 132496dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 13250fb2ed66Smajd@mellanox.com 13260fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 13270fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 13280fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13290fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 13300fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13310fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 13320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 13330fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 13340fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 13350fb2ed66Smajd@mellanox.com 13360fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13370fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 13380fb2ed66Smajd@mellanox.com 13390fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 13400fb2ed66Smajd@mellanox.com 13410fb2ed66Smajd@mellanox.com kvfree(in); 13420fb2ed66Smajd@mellanox.com 13430fb2ed66Smajd@mellanox.com if (err) 13440fb2ed66Smajd@mellanox.com goto err_umem; 13450fb2ed66Smajd@mellanox.com 13460fb2ed66Smajd@mellanox.com return 0; 13470fb2ed66Smajd@mellanox.com 13480fb2ed66Smajd@mellanox.com err_umem: 13490fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13500fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13510fb2ed66Smajd@mellanox.com 13520fb2ed66Smajd@mellanox.com return err; 13530fb2ed66Smajd@mellanox.com } 13540fb2ed66Smajd@mellanox.com 13550fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13560fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13570fb2ed66Smajd@mellanox.com { 1358d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 13590fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 13600fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13610fb2ed66Smajd@mellanox.com } 13620fb2ed66Smajd@mellanox.com 13632c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 13640fb2ed66Smajd@mellanox.com { 13650fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 13660fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 13670fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 13680fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 13690fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 13700fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 13710fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 13720fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 13730fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 13740fb2ed66Smajd@mellanox.com 13750fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 13760fb2ed66Smajd@mellanox.com } 13770fb2ed66Smajd@mellanox.com 13780fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13792c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 138034d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 13810fb2ed66Smajd@mellanox.com { 1382358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13830fb2ed66Smajd@mellanox.com __be64 *pas; 13840fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13850fb2ed66Smajd@mellanox.com void *in; 13860fb2ed66Smajd@mellanox.com void *rqc; 13870fb2ed66Smajd@mellanox.com void *wq; 13880fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13892c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13902c292dbbSBoris Pismenny size_t inlen; 13910fb2ed66Smajd@mellanox.com int err; 13922c292dbbSBoris Pismenny 13932c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13942c292dbbSBoris Pismenny return -EINVAL; 13950fb2ed66Smajd@mellanox.com 13960fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13971b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13980fb2ed66Smajd@mellanox.com if (!in) 13990fb2ed66Smajd@mellanox.com return -ENOMEM; 14000fb2ed66Smajd@mellanox.com 140134d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 14020fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1403e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 14040fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 14050fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 14060fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 14070fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 14080fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 14090fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 14100fb2ed66Smajd@mellanox.com 1411358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1412358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1413358e42eaSMajd Dibbiny 14140fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 14150fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1416b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1417b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 14180fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 14190fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 14200fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 14210fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 14220fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 14230fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 14240fb2ed66Smajd@mellanox.com 14250fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 14260fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 14270fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 14280fb2ed66Smajd@mellanox.com 14290fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 14300fb2ed66Smajd@mellanox.com 14310fb2ed66Smajd@mellanox.com kvfree(in); 14320fb2ed66Smajd@mellanox.com 14330fb2ed66Smajd@mellanox.com return err; 14340fb2ed66Smajd@mellanox.com } 14350fb2ed66Smajd@mellanox.com 14360fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 14370fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 14380fb2ed66Smajd@mellanox.com { 14390fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 14400fb2ed66Smajd@mellanox.com } 14410fb2ed66Smajd@mellanox.com 1442f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1443f95ef6cbSMaor Gottlieb { 1444f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1445f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1446f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1447f95ef6cbSMaor Gottlieb } 1448f95ef6cbSMaor Gottlieb 14490042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14500042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1451443c1cf9SYishai Hadas u32 qp_flags_en, 1452443c1cf9SYishai Hadas struct ib_pd *pd) 14530042f9e4SMark Bloch { 14540042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14550042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14560042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1457443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14580042f9e4SMark Bloch } 14590042f9e4SMark Bloch 14600fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1461f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1462443c1cf9SYishai Hadas u32 *qp_flags_en, 14631f1d6abbSAriel Levkovich struct ib_pd *pd, 14641f1d6abbSAriel Levkovich u32 *out, int outlen) 14650fb2ed66Smajd@mellanox.com { 1466175edba8SMark Bloch u8 lb_flag = 0; 14670fb2ed66Smajd@mellanox.com u32 *in; 14680fb2ed66Smajd@mellanox.com void *tirc; 14690fb2ed66Smajd@mellanox.com int inlen; 14700fb2ed66Smajd@mellanox.com int err; 14710fb2ed66Smajd@mellanox.com 14720fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14731b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14740fb2ed66Smajd@mellanox.com if (!in) 14750fb2ed66Smajd@mellanox.com return -ENOMEM; 14760fb2ed66Smajd@mellanox.com 1477443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14780fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14790fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14800fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14810fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1482175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1483f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14840fb2ed66Smajd@mellanox.com 1485175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1486175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1487175edba8SMark Bloch 1488175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1489175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1490175edba8SMark Bloch 14916a4d00beSMark Bloch if (dev->is_rep) { 1492175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1493175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1494175edba8SMark Bloch } 1495175edba8SMark Bloch 1496175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1497ec9c2fb8SMark Bloch 14981f1d6abbSAriel Levkovich err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); 14990fb2ed66Smajd@mellanox.com 15001f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 15010042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 15020042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 15030042f9e4SMark Bloch 15040042f9e4SMark Bloch if (err) 1505443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 15060042f9e4SMark Bloch } 15070fb2ed66Smajd@mellanox.com kvfree(in); 15080fb2ed66Smajd@mellanox.com 15090fb2ed66Smajd@mellanox.com return err; 15100fb2ed66Smajd@mellanox.com } 15110fb2ed66Smajd@mellanox.com 15120fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 15132c292dbbSBoris Pismenny u32 *in, size_t inlen, 15147f72052cSYishai Hadas struct ib_pd *pd, 15157f72052cSYishai Hadas struct ib_udata *udata, 15167f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 15170fb2ed66Smajd@mellanox.com { 15180fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15190fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15200fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 152189944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 152289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 15230fb2ed66Smajd@mellanox.com int err; 15240fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 15257f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 15261f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 15270fb2ed66Smajd@mellanox.com 15280fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15291cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 15300fb2ed66Smajd@mellanox.com if (err) 15310fb2ed66Smajd@mellanox.com return err; 15320fb2ed66Smajd@mellanox.com 1533b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 15340fb2ed66Smajd@mellanox.com if (err) 15350fb2ed66Smajd@mellanox.com goto err_destroy_tis; 15360fb2ed66Smajd@mellanox.com 15377f72052cSYishai Hadas if (uid) { 15387f72052cSYishai Hadas resp->tisn = sq->tisn; 15397f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 15407f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 15417f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 15427f72052cSYishai Hadas } 15437f72052cSYishai Hadas 15440fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 15451d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15460fb2ed66Smajd@mellanox.com } 15470fb2ed66Smajd@mellanox.com 15480fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1549358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1550358e42eaSMajd Dibbiny 1551e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1552e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1553b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1554b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 155534d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 15560fb2ed66Smajd@mellanox.com if (err) 15570fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15580fb2ed66Smajd@mellanox.com 15591f1d6abbSAriel Levkovich err = create_raw_packet_qp_tir( 15601f1d6abbSAriel Levkovich dev, rq, tdn, &qp->flags_en, pd, out, 15611f1d6abbSAriel Levkovich MLX5_ST_SZ_BYTES(create_tir_out)); 15620fb2ed66Smajd@mellanox.com if (err) 15630fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15647f72052cSYishai Hadas 15657f72052cSYishai Hadas if (uid) { 15667f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15677f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15687f72052cSYishai Hadas resp->tirn = rq->tirn; 15697f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 15701f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 15711f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15721f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15731f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15741f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15751f1d6abbSAriel Levkovich icm_address_39_32) 15761f1d6abbSAriel Levkovich << 32; 15771f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15781f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15791f1d6abbSAriel Levkovich icm_address_63_40) 15801f1d6abbSAriel Levkovich << 40; 15811f1d6abbSAriel Levkovich resp->comp_mask |= 15821f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15831f1d6abbSAriel Levkovich } 15847f72052cSYishai Hadas } 15850fb2ed66Smajd@mellanox.com } 15860fb2ed66Smajd@mellanox.com 15870fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15880fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15897f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 15907f72052cSYishai Hadas if (err) 15917f72052cSYishai Hadas goto err_destroy_tir; 15920fb2ed66Smajd@mellanox.com 15930fb2ed66Smajd@mellanox.com return 0; 15940fb2ed66Smajd@mellanox.com 15957f72052cSYishai Hadas err_destroy_tir: 15967f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 15970fb2ed66Smajd@mellanox.com err_destroy_rq: 15980fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15990fb2ed66Smajd@mellanox.com err_destroy_sq: 16000fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 16010fb2ed66Smajd@mellanox.com return err; 16020fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 16030fb2ed66Smajd@mellanox.com err_destroy_tis: 16041cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 16050fb2ed66Smajd@mellanox.com 16060fb2ed66Smajd@mellanox.com return err; 16070fb2ed66Smajd@mellanox.com } 16080fb2ed66Smajd@mellanox.com 16090fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 16100fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 16110fb2ed66Smajd@mellanox.com { 16120fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 16130fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16140fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16150fb2ed66Smajd@mellanox.com 16160fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1617443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 16180fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 16190fb2ed66Smajd@mellanox.com } 16200fb2ed66Smajd@mellanox.com 16210fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 16220fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 16231cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 16240fb2ed66Smajd@mellanox.com } 16250fb2ed66Smajd@mellanox.com } 16260fb2ed66Smajd@mellanox.com 16270fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 16280fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 16290fb2ed66Smajd@mellanox.com { 16300fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16310fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16320fb2ed66Smajd@mellanox.com 16330fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 16340fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 16350fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 16360fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 16370fb2ed66Smajd@mellanox.com } 16380fb2ed66Smajd@mellanox.com 163928d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 164028d61370SYishai Hadas { 16410042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 16420042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 16430042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1644443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1645443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 164628d61370SYishai Hadas } 164728d61370SYishai Hadas 164828d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 164928d61370SYishai Hadas struct ib_pd *pd, 165028d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 165128d61370SYishai Hadas struct ib_udata *udata) 165228d61370SYishai Hadas { 165389944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 165489944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 165528d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 165628d61370SYishai Hadas int inlen; 16571f1d6abbSAriel Levkovich int outlen; 165828d61370SYishai Hadas int err; 165928d61370SYishai Hadas u32 *in; 16601f1d6abbSAriel Levkovich u32 *out; 166128d61370SYishai Hadas void *tirc; 166228d61370SYishai Hadas void *hfso; 166328d61370SYishai Hadas u32 selected_fields = 0; 16642d93fc85SMatan Barak u32 outer_l4; 166528d61370SYishai Hadas size_t min_resp_len; 166628d61370SYishai Hadas u32 tdn = mucontext->tdn; 166728d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 166828d61370SYishai Hadas size_t required_cmd_sz; 1669175edba8SMark Bloch u8 lb_flag = 0; 167028d61370SYishai Hadas 167128d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 167228d61370SYishai Hadas return -EOPNOTSUPP; 167328d61370SYishai Hadas 167428d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 167528d61370SYishai Hadas return -EINVAL; 167628d61370SYishai Hadas 16772f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 167828d61370SYishai Hadas if (udata->outlen < min_resp_len) 167928d61370SYishai Hadas return -EINVAL; 168028d61370SYishai Hadas 1681f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 168228d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 168328d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 168428d61370SYishai Hadas return -EINVAL; 168528d61370SYishai Hadas } 168628d61370SYishai Hadas 168728d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 168828d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 168928d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 169028d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 169128d61370SYishai Hadas return -EOPNOTSUPP; 169228d61370SYishai Hadas } 169328d61370SYishai Hadas 169428d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 169528d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 169628d61370SYishai Hadas return -EFAULT; 169728d61370SYishai Hadas } 169828d61370SYishai Hadas 169928d61370SYishai Hadas if (ucmd.comp_mask) { 170028d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 170128d61370SYishai Hadas return -EOPNOTSUPP; 170228d61370SYishai Hadas } 170328d61370SYishai Hadas 1704175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1705175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1706175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1707f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1708f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1709f95ef6cbSMaor Gottlieb } 1710f95ef6cbSMaor Gottlieb 1711f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1712f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1713f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 171428d61370SYishai Hadas return -EOPNOTSUPP; 171528d61370SYishai Hadas } 171628d61370SYishai Hadas 1717309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1718309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1719309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1720309fa347SMaor Gottlieb return -EOPNOTSUPP; 1721309fa347SMaor Gottlieb } 1722309fa347SMaor Gottlieb 17236a4d00beSMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { 1724175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1725175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1726175edba8SMark Bloch } 1727175edba8SMark Bloch 1728175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1729175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1730175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1731175edba8SMark Bloch } 1732175edba8SMark Bloch 173341d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 173428d61370SYishai Hadas if (err) { 173528d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 173628d61370SYishai Hadas return -EINVAL; 173728d61370SYishai Hadas } 173828d61370SYishai Hadas 173928d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 17401f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 17411f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 174228d61370SYishai Hadas if (!in) 174328d61370SYishai Hadas return -ENOMEM; 174428d61370SYishai Hadas 17451f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1746443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 174728d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 174828d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 174928d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 175028d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 175128d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 175228d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 175328d61370SYishai Hadas 175428d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1755f95ef6cbSMaor Gottlieb 1756f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1757f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1758f95ef6cbSMaor Gottlieb 1759175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1760175edba8SMark Bloch 1761309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1762309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1763309fa347SMaor Gottlieb else 1764309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1765309fa347SMaor Gottlieb 176628d61370SYishai Hadas switch (ucmd.rx_hash_function) { 176728d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 176828d61370SYishai Hadas { 176928d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 177028d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 177128d61370SYishai Hadas 177228d61370SYishai Hadas if (len != ucmd.rx_key_len) { 177328d61370SYishai Hadas err = -EINVAL; 177428d61370SYishai Hadas goto err; 177528d61370SYishai Hadas } 177628d61370SYishai Hadas 177728d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 177828d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 177928d61370SYishai Hadas break; 178028d61370SYishai Hadas } 178128d61370SYishai Hadas default: 178228d61370SYishai Hadas err = -EOPNOTSUPP; 178328d61370SYishai Hadas goto err; 178428d61370SYishai Hadas } 178528d61370SYishai Hadas 178628d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 178728d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 178828d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 178928d61370SYishai Hadas goto create_tir; 179028d61370SYishai Hadas err = -EINVAL; 179128d61370SYishai Hadas goto err; 179228d61370SYishai Hadas } 179328d61370SYishai Hadas 179428d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 179528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 179628d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 179728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 179828d61370SYishai Hadas err = -EINVAL; 179928d61370SYishai Hadas goto err; 180028d61370SYishai Hadas } 180128d61370SYishai Hadas 180228d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 180328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 180428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 180528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 180628d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 180728d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 180828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 180928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 181028d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 181128d61370SYishai Hadas 18122d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 18132d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 181428d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 18152d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 18162d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 18172d93fc85SMatan Barak 18182d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 18192d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 182028d61370SYishai Hadas err = -EINVAL; 182128d61370SYishai Hadas goto err; 182228d61370SYishai Hadas } 182328d61370SYishai Hadas 182428d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 182528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 182628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 182728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 182828d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 182928d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 183028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 183128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 183228d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 183328d61370SYishai Hadas 183428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 183528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 183628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 183728d61370SYishai Hadas 183828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 183928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 184028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 184128d61370SYishai Hadas 184228d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 184328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 184428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 184528d61370SYishai Hadas 184628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 184728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 184828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 184928d61370SYishai Hadas 18502d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 18512d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 18522d93fc85SMatan Barak 185328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 185428d61370SYishai Hadas 185528d61370SYishai Hadas create_tir: 18561f1d6abbSAriel Levkovich err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); 185728d61370SYishai Hadas 18581f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 18590042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 18600042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 18610042f9e4SMark Bloch 18620042f9e4SMark Bloch if (err) 1863443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1864443c1cf9SYishai Hadas to_mpd(pd)->uid); 18650042f9e4SMark Bloch } 18660042f9e4SMark Bloch 186728d61370SYishai Hadas if (err) 186828d61370SYishai Hadas goto err; 186928d61370SYishai Hadas 18707f72052cSYishai Hadas if (mucontext->devx_uid) { 18717f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 18727f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 18731f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 18741f1d6abbSAriel Levkovich resp.tir_icm_addr = 18751f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 18761f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18771f1d6abbSAriel Levkovich icm_address_39_32) 18781f1d6abbSAriel Levkovich << 32; 18791f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18801f1d6abbSAriel Levkovich icm_address_63_40) 18811f1d6abbSAriel Levkovich << 40; 18821f1d6abbSAriel Levkovich resp.comp_mask |= 18831f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18841f1d6abbSAriel Levkovich } 18857f72052cSYishai Hadas } 18867f72052cSYishai Hadas 18877f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 18887f72052cSYishai Hadas if (err) 18897f72052cSYishai Hadas goto err_copy; 18907f72052cSYishai Hadas 189128d61370SYishai Hadas kvfree(in); 189228d61370SYishai Hadas /* qpn is reserved for that QP */ 189328d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1894d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 189528d61370SYishai Hadas return 0; 189628d61370SYishai Hadas 18977f72052cSYishai Hadas err_copy: 18987f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 189928d61370SYishai Hadas err: 190028d61370SYishai Hadas kvfree(in); 190128d61370SYishai Hadas return err; 190228d61370SYishai Hadas } 190328d61370SYishai Hadas 19045d6ff1baSYonatan Cohen static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, 19055d6ff1baSYonatan Cohen void *qpc) 19065d6ff1baSYonatan Cohen { 19075d6ff1baSYonatan Cohen int rcqe_sz; 19085d6ff1baSYonatan Cohen 19095d6ff1baSYonatan Cohen if (init_attr->qp_type == MLX5_IB_QPT_DCI) 19105d6ff1baSYonatan Cohen return; 19115d6ff1baSYonatan Cohen 19125d6ff1baSYonatan Cohen rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 19135d6ff1baSYonatan Cohen 19147249c8eaSGuy Levi if (init_attr->qp_type == MLX5_IB_QPT_DCT) { 19157249c8eaSGuy Levi if (rcqe_sz == 128) 19167249c8eaSGuy Levi MLX5_SET(dctc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 19177249c8eaSGuy Levi 19185d6ff1baSYonatan Cohen return; 19195d6ff1baSYonatan Cohen } 19205d6ff1baSYonatan Cohen 19217249c8eaSGuy Levi MLX5_SET(qpc, qpc, cs_res, 19227249c8eaSGuy Levi rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 19237249c8eaSGuy Levi MLX5_RES_SCAT_DATA32_CQE); 19245d6ff1baSYonatan Cohen } 19255d6ff1baSYonatan Cohen 19265d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 19275d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 19286f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 19295d6ff1baSYonatan Cohen void *qpc) 19305d6ff1baSYonatan Cohen { 19315d6ff1baSYonatan Cohen enum ib_qp_type qpt = init_attr->qp_type; 19325d6ff1baSYonatan Cohen int scqe_sz; 19332ab367a7Szhengbin bool allow_scat_cqe = false; 19345d6ff1baSYonatan Cohen 19355d6ff1baSYonatan Cohen if (qpt == IB_QPT_UC || qpt == IB_QPT_UD) 19365d6ff1baSYonatan Cohen return; 19375d6ff1baSYonatan Cohen 19386f4bc0eaSYonatan Cohen if (ucmd) 19396f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 19406f4bc0eaSYonatan Cohen 19416f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 19425d6ff1baSYonatan Cohen return; 19435d6ff1baSYonatan Cohen 19445d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 19455d6ff1baSYonatan Cohen if (scqe_sz == 128) { 19465d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 19475d6ff1baSYonatan Cohen return; 19485d6ff1baSYonatan Cohen } 19495d6ff1baSYonatan Cohen 19505d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 19515d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 19525d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 19535d6ff1baSYonatan Cohen } 19545d6ff1baSYonatan Cohen 1955a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1956a60109dcSYonatan Cohen { 1957a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1958a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1959a60109dcSYonatan Cohen */ 1960a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1961a60109dcSYonatan Cohen int log_max_size; 1962a60109dcSYonatan Cohen 1963a60109dcSYonatan Cohen if (!supported_size_mask) 1964a60109dcSYonatan Cohen return -EOPNOTSUPP; 1965a60109dcSYonatan Cohen 1966a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1967a60109dcSYonatan Cohen 1968a60109dcSYonatan Cohen if (log_max_size > 3) 1969a60109dcSYonatan Cohen return log_max_size; 1970a60109dcSYonatan Cohen 1971a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1972a60109dcSYonatan Cohen } 1973a60109dcSYonatan Cohen 1974a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1975a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1976a60109dcSYonatan Cohen { 1977a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1978a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1979a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1980a60109dcSYonatan Cohen int atomic_size_mask; 1981a60109dcSYonatan Cohen 1982a60109dcSYonatan Cohen if (!atomic) 1983a60109dcSYonatan Cohen return -EOPNOTSUPP; 1984a60109dcSYonatan Cohen 1985a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1986a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1987a60109dcSYonatan Cohen else 1988a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1989a60109dcSYonatan Cohen 1990a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1991a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1992a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1993a60109dcSYonatan Cohen 1994a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1995a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1996a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1997a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1998a60109dcSYonatan Cohen 1999a60109dcSYonatan Cohen return atomic_mode; 2000a60109dcSYonatan Cohen } 2001a60109dcSYonatan Cohen 20022e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 20032e43bb31SYonatan Cohen { 20042e43bb31SYonatan Cohen return (input & ~supported) == 0; 20052e43bb31SYonatan Cohen } 20062e43bb31SYonatan Cohen 2007e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 2008e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2009e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 2010e126ba97SEli Cohen { 2011e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 201209a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 2013938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 20140625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 201589944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 201689944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 201789ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 201889ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 201989ea94a7SMaor Gottlieb unsigned long flags; 2020cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 202109a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 202209a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 2023e7b169f3SNoa Osherovich int mlx5_st; 2024cfb5e088SHaggai Abramovsky void *qpc; 202509a7d9ecSSaeed Mahameed u32 *in; 202609a7d9ecSSaeed Mahameed int err; 2027e126ba97SEli Cohen 2028e126ba97SEli Cohen mutex_init(&qp->mutex); 2029e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 2030e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 2031e126ba97SEli Cohen 2032e7b169f3SNoa Osherovich mlx5_st = to_mlx5_st(init_attr->qp_type); 2033e7b169f3SNoa Osherovich if (mlx5_st < 0) 2034e7b169f3SNoa Osherovich return -EINVAL; 2035e7b169f3SNoa Osherovich 203628d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 203728d61370SYishai Hadas if (!udata) 203828d61370SYishai Hadas return -ENOSYS; 203928d61370SYishai Hadas 204028d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 204128d61370SYishai Hadas return err; 204228d61370SYishai Hadas } 204328d61370SYishai Hadas 2044f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 2045938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 2046f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 2047f360d88aSEli Cohen return -EINVAL; 2048f360d88aSEli Cohen } else { 2049f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 2050f360d88aSEli Cohen } 2051f360d88aSEli Cohen } 2052f360d88aSEli Cohen 2053051f2630SLeon Romanovsky if (init_attr->create_flags & 2054051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 2055051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 2056051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 2057051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 2058051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 2059051f2630SLeon Romanovsky return -EINVAL; 2060051f2630SLeon Romanovsky } 2061051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 2062051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 2063051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 2064051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 2065051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 2066051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 2067051f2630SLeon Romanovsky } 2068f0313965SErez Shitrit 2069f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2070f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 2071f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 2072f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 2073f0313965SErez Shitrit return -EOPNOTSUPP; 2074f0313965SErez Shitrit } 2075f0313965SErez Shitrit 2076358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 2077358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2078358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 2079358e42eaSMajd Dibbiny return -EOPNOTSUPP; 2080358e42eaSMajd Dibbiny } 2081358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 2082358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 2083358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 2084358e42eaSMajd Dibbiny return -EOPNOTSUPP; 2085358e42eaSMajd Dibbiny } 2086358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 2087358e42eaSMajd Dibbiny } 2088358e42eaSMajd Dibbiny 2089e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 2090e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 2091e126ba97SEli Cohen 2092e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 2093e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 2094e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 2095e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 2096e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 2097e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 2098e4cc4fa7SNoa Osherovich } 2099e4cc4fa7SNoa Osherovich 2100e00b64f7SShamir Rabinovitch if (udata) { 2101e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 2102e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 2103e126ba97SEli Cohen return -EFAULT; 2104e126ba97SEli Cohen } 2105e126ba97SEli Cohen 21062e43bb31SYonatan Cohen if (!check_flags_mask(ucmd.flags, 2107569c6651SDanit Goldberg MLX5_QP_FLAG_ALLOW_SCATTER_CQE | 21088af526e0SMark Bloch MLX5_QP_FLAG_BFREG_INDEX | 21098af526e0SMark Bloch MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | 21108af526e0SMark Bloch MLX5_QP_FLAG_SCATTER_CQE | 21118af526e0SMark Bloch MLX5_QP_FLAG_SIGNATURE | 21128af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | 21138af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 21148af526e0SMark Bloch MLX5_QP_FLAG_TUNNEL_OFFLOADS | 2115ac42a5eeSYishai Hadas MLX5_QP_FLAG_UAR_PAGE_INDEX | 21168af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCI | 21178af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCT)) 21182e43bb31SYonatan Cohen return -EINVAL; 21192e43bb31SYonatan Cohen 212089944450SShamir Rabinovitch err = get_qp_user_index(ucontext, &ucmd, udata->inlen, &uidx); 2121cfb5e088SHaggai Abramovsky if (err) 2122cfb5e088SHaggai Abramovsky return err; 2123cfb5e088SHaggai Abramovsky 2124e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 21255d6ff1baSYonatan Cohen if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 2126e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 2127f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 2128f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 2129f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 2130f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 2131f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 2132f95ef6cbSMaor Gottlieb } 2133175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 2134175edba8SMark Bloch } 2135175edba8SMark Bloch 2136175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 2137175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2138175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 2139175edba8SMark Bloch return -EOPNOTSUPP; 2140175edba8SMark Bloch } 2141175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 2142175edba8SMark Bloch } 2143175edba8SMark Bloch 2144175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 2145175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2146175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 2147175edba8SMark Bloch return -EOPNOTSUPP; 2148175edba8SMark Bloch } 2149175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 2150f95ef6cbSMaor Gottlieb } 2151c2e53b2cSYishai Hadas 2152569c6651SDanit Goldberg if (ucmd.flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { 2153569c6651SDanit Goldberg if (init_attr->qp_type != IB_QPT_RC || 2154569c6651SDanit Goldberg !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { 2155569c6651SDanit Goldberg mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); 2156569c6651SDanit Goldberg return -EOPNOTSUPP; 2157569c6651SDanit Goldberg } 2158569c6651SDanit Goldberg qp->flags |= MLX5_IB_QP_PACKET_BASED_CREDIT; 2159569c6651SDanit Goldberg } 2160569c6651SDanit Goldberg 2161c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 2162c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 2163c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 2164c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 2165c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 2166c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 2167c2e53b2cSYishai Hadas return -EOPNOTSUPP; 2168c2e53b2cSYishai Hadas } 2169c2e53b2cSYishai Hadas 2170c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 2171c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 2172c2e53b2cSYishai Hadas } 2173e126ba97SEli Cohen } else { 2174e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 2175e126ba97SEli Cohen } 2176e126ba97SEli Cohen 2177c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 2178c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 2179c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2180c2e53b2cSYishai Hadas &qp->trans_qp.base; 2181c2e53b2cSYishai Hadas 2182e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 2183e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 2184e00b64f7SShamir Rabinovitch qp, udata ? &ucmd : NULL); 2185e126ba97SEli Cohen if (err) { 2186e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2187e126ba97SEli Cohen return err; 2188e126ba97SEli Cohen } 2189e126ba97SEli Cohen 2190e126ba97SEli Cohen if (pd) { 2191e00b64f7SShamir Rabinovitch if (udata) { 2192938fe83cSSaeed Mahameed __u32 max_wqes = 2193938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 2194e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 2195e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 2196e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 2197e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 2198e126ba97SEli Cohen return -EINVAL; 2199e126ba97SEli Cohen } 2200938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 2201e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 2202938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 2203e126ba97SEli Cohen return -EINVAL; 2204e126ba97SEli Cohen } 2205b11a4f9cSHaggai Eran if (init_attr->create_flags & 22063f89b01fSMichael Guralnik MLX5_IB_QP_CREATE_SQPN_QP1) { 2207b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 2208b11a4f9cSHaggai Eran return -EINVAL; 2209b11a4f9cSHaggai Eran } 22100fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 22110fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2212e126ba97SEli Cohen if (err) 2213e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2214e126ba97SEli Cohen } else { 221519098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 221619098df2Smajd@mellanox.com base); 2217e126ba97SEli Cohen if (err) 2218e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2219e126ba97SEli Cohen } 2220e126ba97SEli Cohen 2221e126ba97SEli Cohen if (err) 2222e126ba97SEli Cohen return err; 2223e126ba97SEli Cohen } else { 22241b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2225e126ba97SEli Cohen if (!in) 2226e126ba97SEli Cohen return -ENOMEM; 2227e126ba97SEli Cohen 2228e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2229e126ba97SEli Cohen } 2230e126ba97SEli Cohen 2231e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2232e126ba97SEli Cohen qp->port = init_attr->port_num; 2233e126ba97SEli Cohen 223409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 223509a7d9ecSSaeed Mahameed 2236e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 223709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2238e126ba97SEli Cohen 2239e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 224009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2241e126ba97SEli Cohen else 224209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 224309a7d9ecSSaeed Mahameed 2244e126ba97SEli Cohen 2245e126ba97SEli Cohen if (qp->wq_sig) 224609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2247e126ba97SEli Cohen 2248f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 224909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2250f360d88aSEli Cohen 2251051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 225209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 2253051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 225409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 2255051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 225609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 2257569c6651SDanit Goldberg if (qp->flags & MLX5_IB_QP_PACKET_BASED_CREDIT) 2258569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 2259e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 22605d6ff1baSYonatan Cohen configure_responder_scat_cqe(init_attr, qpc); 22616f4bc0eaSYonatan Cohen configure_requester_scat_cqe(dev, init_attr, 2262e00b64f7SShamir Rabinovitch udata ? &ucmd : NULL, 22636f4bc0eaSYonatan Cohen qpc); 2264e126ba97SEli Cohen } 2265e126ba97SEli Cohen 2266e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 226709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 226809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2269e126ba97SEli Cohen } 2270e126ba97SEli Cohen 227109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2272e126ba97SEli Cohen 22733fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 227409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 22753fd3307eSArtemy Kovalyov } else { 227609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 22773fd3307eSArtemy Kovalyov if (init_attr->srq && 22783fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 22793fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 22803fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 22813fd3307eSArtemy Kovalyov } 2282e126ba97SEli Cohen 2283e126ba97SEli Cohen /* Set default resources */ 2284e126ba97SEli Cohen switch (init_attr->qp_type) { 2285e126ba97SEli Cohen case IB_QPT_XRC_TGT: 228609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 228709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 228809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 228909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2290e126ba97SEli Cohen break; 2291e126ba97SEli Cohen case IB_QPT_XRC_INI: 229209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 229309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 229409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2295e126ba97SEli Cohen break; 2296e126ba97SEli Cohen default: 2297e126ba97SEli Cohen if (init_attr->srq) { 229809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 229909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2300e126ba97SEli Cohen } else { 230109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 230209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2303e126ba97SEli Cohen } 2304e126ba97SEli Cohen } 2305e126ba97SEli Cohen 2306e126ba97SEli Cohen if (init_attr->send_cq) 230709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2308e126ba97SEli Cohen 2309e126ba97SEli Cohen if (init_attr->recv_cq) 231009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2311e126ba97SEli Cohen 231209a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2313e126ba97SEli Cohen 2314cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 231509a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2316cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 231709a7d9ecSSaeed Mahameed 2318f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 2319f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2320f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 2321f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2322f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 2323f0313965SErez Shitrit } 2324cfb5e088SHaggai Abramovsky 2325b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 2326b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 2327b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 2328b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 2329b1383aa6SNoa Osherovich goto err; 2330b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2331b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2332b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 2333b1383aa6SNoa Osherovich } else { 2334b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 2335b1383aa6SNoa Osherovich } 2336b1383aa6SNoa Osherovich } 2337b1383aa6SNoa Osherovich 23382c292dbbSBoris Pismenny if (inlen < 0) { 23392c292dbbSBoris Pismenny err = -EINVAL; 23402c292dbbSBoris Pismenny goto err; 23412c292dbbSBoris Pismenny } 23422c292dbbSBoris Pismenny 2343c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 2344c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 23450fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 23460fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 23477f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 23487f72052cSYishai Hadas &resp); 23490fb2ed66Smajd@mellanox.com } else { 235019098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 23510fb2ed66Smajd@mellanox.com } 23520fb2ed66Smajd@mellanox.com 2353e126ba97SEli Cohen if (err) { 2354e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2355e126ba97SEli Cohen goto err_create; 2356e126ba97SEli Cohen } 2357e126ba97SEli Cohen 2358479163f4SAl Viro kvfree(in); 2359e126ba97SEli Cohen 236019098df2Smajd@mellanox.com base->container_mibqp = qp; 236119098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2362e126ba97SEli Cohen 236389ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 236489ea94a7SMaor Gottlieb &send_cq, &recv_cq); 236589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 236689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 236789ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 236889ea94a7SMaor Gottlieb * flow 236989ea94a7SMaor Gottlieb */ 237089ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 237189ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 237289ea94a7SMaor Gottlieb */ 237389ea94a7SMaor Gottlieb if (send_cq) 237489ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 237589ea94a7SMaor Gottlieb if (recv_cq) 237689ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 237789ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 237889ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 237989ea94a7SMaor Gottlieb 2380e126ba97SEli Cohen return 0; 2381e126ba97SEli Cohen 2382e126ba97SEli Cohen err_create: 2383e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2384bdeacabdSShamir Rabinovitch destroy_qp_user(dev, pd, qp, base, udata); 2385e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2386e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2387e126ba97SEli Cohen 2388b1383aa6SNoa Osherovich err: 2389479163f4SAl Viro kvfree(in); 2390e126ba97SEli Cohen return err; 2391e126ba97SEli Cohen } 2392e126ba97SEli Cohen 2393e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2394e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2395e126ba97SEli Cohen { 2396e126ba97SEli Cohen if (send_cq) { 2397e126ba97SEli Cohen if (recv_cq) { 2398e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 239989ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2400e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2401e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2402e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 240389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2404e126ba97SEli Cohen __acquire(&recv_cq->lock); 2405e126ba97SEli Cohen } else { 240689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2407e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2408e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2409e126ba97SEli Cohen } 2410e126ba97SEli Cohen } else { 241189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 24126a4f139aSEli Cohen __acquire(&recv_cq->lock); 2413e126ba97SEli Cohen } 2414e126ba97SEli Cohen } else if (recv_cq) { 241589ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 24166a4f139aSEli Cohen __acquire(&send_cq->lock); 24176a4f139aSEli Cohen } else { 24186a4f139aSEli Cohen __acquire(&send_cq->lock); 24196a4f139aSEli Cohen __acquire(&recv_cq->lock); 2420e126ba97SEli Cohen } 2421e126ba97SEli Cohen } 2422e126ba97SEli Cohen 2423e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2424e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2425e126ba97SEli Cohen { 2426e126ba97SEli Cohen if (send_cq) { 2427e126ba97SEli Cohen if (recv_cq) { 2428e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2429e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 243089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2431e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2432e126ba97SEli Cohen __release(&recv_cq->lock); 243389ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2434e126ba97SEli Cohen } else { 2435e126ba97SEli Cohen spin_unlock(&send_cq->lock); 243689ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2437e126ba97SEli Cohen } 2438e126ba97SEli Cohen } else { 24396a4f139aSEli Cohen __release(&recv_cq->lock); 244089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2441e126ba97SEli Cohen } 2442e126ba97SEli Cohen } else if (recv_cq) { 24436a4f139aSEli Cohen __release(&send_cq->lock); 244489ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 24456a4f139aSEli Cohen } else { 24466a4f139aSEli Cohen __release(&recv_cq->lock); 24476a4f139aSEli Cohen __release(&send_cq->lock); 2448e126ba97SEli Cohen } 2449e126ba97SEli Cohen } 2450e126ba97SEli Cohen 2451e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2452e126ba97SEli Cohen { 2453e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2454e126ba97SEli Cohen } 2455e126ba97SEli Cohen 245689ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 245789ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2458e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2459e126ba97SEli Cohen { 246089ea94a7SMaor Gottlieb switch (qp_type) { 2461e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2462e126ba97SEli Cohen *send_cq = NULL; 2463e126ba97SEli Cohen *recv_cq = NULL; 2464e126ba97SEli Cohen break; 2465e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2466e126ba97SEli Cohen case IB_QPT_XRC_INI: 246789ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2468e126ba97SEli Cohen *recv_cq = NULL; 2469e126ba97SEli Cohen break; 2470e126ba97SEli Cohen 2471e126ba97SEli Cohen case IB_QPT_SMI: 2472d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2473e126ba97SEli Cohen case IB_QPT_RC: 2474e126ba97SEli Cohen case IB_QPT_UC: 2475e126ba97SEli Cohen case IB_QPT_UD: 2476e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2477e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 24780fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 247989ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 248089ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2481e126ba97SEli Cohen break; 2482e126ba97SEli Cohen 2483e126ba97SEli Cohen case IB_QPT_MAX: 2484e126ba97SEli Cohen default: 2485e126ba97SEli Cohen *send_cq = NULL; 2486e126ba97SEli Cohen *recv_cq = NULL; 2487e126ba97SEli Cohen break; 2488e126ba97SEli Cohen } 2489e126ba97SEli Cohen } 2490e126ba97SEli Cohen 2491ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 249213eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 249313eab21fSAviv Heller u8 lag_tx_affinity); 2494ad5f8e96Smajd@mellanox.com 2495bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2496bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2497e126ba97SEli Cohen { 2498e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2499c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 250089ea94a7SMaor Gottlieb unsigned long flags; 2501e126ba97SEli Cohen int err; 2502e126ba97SEli Cohen 250328d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 250428d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 250528d61370SYishai Hadas return; 250628d61370SYishai Hadas } 250728d61370SYishai Hadas 2508c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2509c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 25100fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 25110fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 25120fb2ed66Smajd@mellanox.com 25136aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2514c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2515c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2516ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 25171a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 25181a412fb1SSaeed Mahameed NULL, &base->mqp); 2519ad5f8e96Smajd@mellanox.com } else { 25200680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 25210680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 25220680efa2SAlex Vesker }; 25230680efa2SAlex Vesker 252413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2525ad5f8e96Smajd@mellanox.com } 2526ad5f8e96Smajd@mellanox.com if (err) 2527427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 252819098df2Smajd@mellanox.com base->mqp.qpn); 25296aec21f6SHaggai Eran } 2530e126ba97SEli Cohen 253189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 253289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 253389ea94a7SMaor Gottlieb 253489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 253589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 253689ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 253789ea94a7SMaor Gottlieb list_del(&qp->qps_list); 253889ea94a7SMaor Gottlieb if (send_cq) 253989ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 254089ea94a7SMaor Gottlieb 254189ea94a7SMaor Gottlieb if (recv_cq) 254289ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2543e126ba97SEli Cohen 2544e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 254519098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2546e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2547e126ba97SEli Cohen if (send_cq != recv_cq) 254819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 254919098df2Smajd@mellanox.com NULL); 2550e126ba97SEli Cohen } 255189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 255289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2553e126ba97SEli Cohen 2554c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2555c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 25560fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 25570fb2ed66Smajd@mellanox.com } else { 255819098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2559e126ba97SEli Cohen if (err) 25600fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 25610fb2ed66Smajd@mellanox.com base->mqp.qpn); 25620fb2ed66Smajd@mellanox.com } 2563e126ba97SEli Cohen 2564e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2565e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2566e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2567bdeacabdSShamir Rabinovitch destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); 2568e126ba97SEli Cohen } 2569e126ba97SEli Cohen 2570e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2571e126ba97SEli Cohen { 2572e126ba97SEli Cohen switch (type) { 2573e126ba97SEli Cohen case IB_QPT_SMI: 2574e126ba97SEli Cohen return "IB_QPT_SMI"; 2575e126ba97SEli Cohen case IB_QPT_GSI: 2576e126ba97SEli Cohen return "IB_QPT_GSI"; 2577e126ba97SEli Cohen case IB_QPT_RC: 2578e126ba97SEli Cohen return "IB_QPT_RC"; 2579e126ba97SEli Cohen case IB_QPT_UC: 2580e126ba97SEli Cohen return "IB_QPT_UC"; 2581e126ba97SEli Cohen case IB_QPT_UD: 2582e126ba97SEli Cohen return "IB_QPT_UD"; 2583e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2584e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2585e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2586e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2587e126ba97SEli Cohen case IB_QPT_XRC_INI: 2588e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2589e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2590e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2591e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2592e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2593e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2594e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2595b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2596b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2597e126ba97SEli Cohen case IB_QPT_MAX: 2598e126ba97SEli Cohen default: 2599e126ba97SEli Cohen return "Invalid QP type"; 2600e126ba97SEli Cohen } 2601e126ba97SEli Cohen } 2602e126ba97SEli Cohen 2603b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2604b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 260589944450SShamir Rabinovitch struct mlx5_ib_create_qp *ucmd, 260689944450SShamir Rabinovitch struct ib_udata *udata) 2607b4aaa1f0SMoni Shoua { 260889944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 260989944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2610b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2611b4aaa1f0SMoni Shoua int err = 0; 2612b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2613b4aaa1f0SMoni Shoua void *dctc; 2614b4aaa1f0SMoni Shoua 2615b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2616b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2617b4aaa1f0SMoni Shoua 261889944450SShamir Rabinovitch err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); 2619b4aaa1f0SMoni Shoua if (err) 2620b4aaa1f0SMoni Shoua return ERR_PTR(err); 2621b4aaa1f0SMoni Shoua 2622b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2623b4aaa1f0SMoni Shoua if (!qp) 2624b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2625b4aaa1f0SMoni Shoua 2626b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2627b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2628b4aaa1f0SMoni Shoua err = -ENOMEM; 2629b4aaa1f0SMoni Shoua goto err_free; 2630b4aaa1f0SMoni Shoua } 2631b4aaa1f0SMoni Shoua 2632a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2633b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2634776a3906SMoni Shoua qp->qp_sub_type = MLX5_IB_QPT_DCT; 2635b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2636b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2637b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2638b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2639b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2640b4aaa1f0SMoni Shoua 26415d6ff1baSYonatan Cohen if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) 26425d6ff1baSYonatan Cohen configure_responder_scat_cqe(attr, dctc); 26435d6ff1baSYonatan Cohen 2644b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2645b4aaa1f0SMoni Shoua 2646b4aaa1f0SMoni Shoua return &qp->ibqp; 2647b4aaa1f0SMoni Shoua err_free: 2648b4aaa1f0SMoni Shoua kfree(qp); 2649b4aaa1f0SMoni Shoua return ERR_PTR(err); 2650b4aaa1f0SMoni Shoua } 2651b4aaa1f0SMoni Shoua 2652b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2653e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2654b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2655b4aaa1f0SMoni Shoua struct ib_udata *udata) 2656b4aaa1f0SMoni Shoua { 2657b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2658b4aaa1f0SMoni Shoua int err; 2659b4aaa1f0SMoni Shoua 2660b4aaa1f0SMoni Shoua if (!udata) 2661b4aaa1f0SMoni Shoua return -EINVAL; 2662b4aaa1f0SMoni Shoua 2663b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2664b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2665b4aaa1f0SMoni Shoua return -EINVAL; 2666b4aaa1f0SMoni Shoua } 2667b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2668b4aaa1f0SMoni Shoua if (err) 2669b4aaa1f0SMoni Shoua return err; 2670b4aaa1f0SMoni Shoua 2671b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2672b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2673b4aaa1f0SMoni Shoua } else { 2674b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2675b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2676b4aaa1f0SMoni Shoua } else { 2677b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2678b4aaa1f0SMoni Shoua return -EINVAL; 2679b4aaa1f0SMoni Shoua } 2680b4aaa1f0SMoni Shoua } 2681b4aaa1f0SMoni Shoua 2682b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2683b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2684b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2685b4aaa1f0SMoni Shoua } 2686b4aaa1f0SMoni Shoua 2687b4aaa1f0SMoni Shoua return 0; 2688b4aaa1f0SMoni Shoua } 2689b4aaa1f0SMoni Shoua 2690b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2691b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2692e126ba97SEli Cohen struct ib_udata *udata) 2693e126ba97SEli Cohen { 2694e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2695e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2696e126ba97SEli Cohen u16 xrcdn = 0; 2697e126ba97SEli Cohen int err; 2698b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2699b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 270089944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 270189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2702e126ba97SEli Cohen 2703e126ba97SEli Cohen if (pd) { 2704e126ba97SEli Cohen dev = to_mdev(pd->device); 27050fb2ed66Smajd@mellanox.com 27060fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 270789944450SShamir Rabinovitch if (!ucontext) { 27080fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 27090fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 271089944450SShamir Rabinovitch } else if (!ucontext->cqe_version) { 27110fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 27120fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 27130fb2ed66Smajd@mellanox.com } 27140fb2ed66Smajd@mellanox.com } 271509f16cf5SMajd Dibbiny } else { 271609f16cf5SMajd Dibbiny /* being cautious here */ 271709f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 271809f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 271909f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 272009f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 272109f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 272209f16cf5SMajd Dibbiny } 272309f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2724e126ba97SEli Cohen } 2725e126ba97SEli Cohen 2726b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2727b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2728b4aaa1f0SMoni Shoua 2729b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2730b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2731b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2732b4aaa1f0SMoni Shoua if (err) 2733b4aaa1f0SMoni Shoua return ERR_PTR(err); 2734c32a4f29SMoni Shoua 2735c32a4f29SMoni Shoua if (init_attr->qp_type == MLX5_IB_QPT_DCI) { 2736c32a4f29SMoni Shoua if (init_attr->cap.max_recv_wr || 2737c32a4f29SMoni Shoua init_attr->cap.max_recv_sge) { 2738c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); 2739c32a4f29SMoni Shoua return ERR_PTR(-EINVAL); 2740c32a4f29SMoni Shoua } 2741776a3906SMoni Shoua } else { 274289944450SShamir Rabinovitch return mlx5_ib_create_dct(pd, init_attr, &ucmd, udata); 2743c32a4f29SMoni Shoua } 2744b4aaa1f0SMoni Shoua } 2745b4aaa1f0SMoni Shoua 2746e126ba97SEli Cohen switch (init_attr->qp_type) { 2747e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2748e126ba97SEli Cohen case IB_QPT_XRC_INI: 2749938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2750e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2751e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2752e126ba97SEli Cohen } 2753e126ba97SEli Cohen init_attr->recv_cq = NULL; 2754e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2755e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2756e126ba97SEli Cohen init_attr->send_cq = NULL; 2757e126ba97SEli Cohen } 2758e126ba97SEli Cohen 2759e126ba97SEli Cohen /* fall through */ 27600fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2761e126ba97SEli Cohen case IB_QPT_RC: 2762e126ba97SEli Cohen case IB_QPT_UC: 2763e126ba97SEli Cohen case IB_QPT_UD: 2764e126ba97SEli Cohen case IB_QPT_SMI: 2765d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2766e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2767c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: 2768e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2769e126ba97SEli Cohen if (!qp) 2770e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2771e126ba97SEli Cohen 2772e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2773e126ba97SEli Cohen if (err) { 2774e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2775e126ba97SEli Cohen kfree(qp); 2776e126ba97SEli Cohen return ERR_PTR(err); 2777e126ba97SEli Cohen } 2778e126ba97SEli Cohen 2779e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2780e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2781e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2782e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2783e126ba97SEli Cohen else 278419098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2785e126ba97SEli Cohen 2786e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 278719098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2788a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2789a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2790e126ba97SEli Cohen 279119098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2792e126ba97SEli Cohen 2793e126ba97SEli Cohen break; 2794e126ba97SEli Cohen 2795d16e91daSHaggai Eran case IB_QPT_GSI: 2796d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2797d16e91daSHaggai Eran 2798e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2799e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2800e126ba97SEli Cohen case IB_QPT_MAX: 2801e126ba97SEli Cohen default: 2802e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2803e126ba97SEli Cohen init_attr->qp_type); 2804e126ba97SEli Cohen /* Don't support raw QPs */ 2805bb8865f4SKamal Heib return ERR_PTR(-EOPNOTSUPP); 2806e126ba97SEli Cohen } 2807e126ba97SEli Cohen 2808b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2809b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2810b4aaa1f0SMoni Shoua 2811e126ba97SEli Cohen return &qp->ibqp; 2812e126ba97SEli Cohen } 2813e126ba97SEli Cohen 2814776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2815776a3906SMoni Shoua { 2816776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2817776a3906SMoni Shoua 2818776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2819776a3906SMoni Shoua int err; 2820776a3906SMoni Shoua 2821776a3906SMoni Shoua err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); 2822776a3906SMoni Shoua if (err) { 2823776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2824776a3906SMoni Shoua return err; 2825776a3906SMoni Shoua } 2826776a3906SMoni Shoua } 2827776a3906SMoni Shoua 2828776a3906SMoni Shoua kfree(mqp->dct.in); 2829776a3906SMoni Shoua kfree(mqp); 2830776a3906SMoni Shoua return 0; 2831776a3906SMoni Shoua } 2832776a3906SMoni Shoua 2833c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2834e126ba97SEli Cohen { 2835e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2836e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2837e126ba97SEli Cohen 2838d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2839d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2840d16e91daSHaggai Eran 2841776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2842776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2843776a3906SMoni Shoua 2844bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2845e126ba97SEli Cohen 2846e126ba97SEli Cohen kfree(mqp); 2847e126ba97SEli Cohen 2848e126ba97SEli Cohen return 0; 2849e126ba97SEli Cohen } 2850e126ba97SEli Cohen 2851a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2852a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2853bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2854e126ba97SEli Cohen { 2855e126ba97SEli Cohen u8 dest_rd_atomic; 2856bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2857e126ba97SEli Cohen 2858a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2859a60109dcSYonatan Cohen 2860e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2861e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2862e126ba97SEli Cohen else 286319098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2864e126ba97SEli Cohen 2865e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2866e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2867e126ba97SEli Cohen else 286819098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2869e126ba97SEli Cohen 2870e126ba97SEli Cohen if (!dest_rd_atomic) 2871e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2872e126ba97SEli Cohen 2873e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2874bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 287513f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2876a60109dcSYonatan Cohen int atomic_mode; 2877e126ba97SEli Cohen 2878a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2879a60109dcSYonatan Cohen if (atomic_mode < 0) 2880a60109dcSYonatan Cohen return -EOPNOTSUPP; 2881a60109dcSYonatan Cohen 2882bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2883bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2884a60109dcSYonatan Cohen } 2885a60109dcSYonatan Cohen 2886a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2887bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 2888a60109dcSYonatan Cohen 2889bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 2890a60109dcSYonatan Cohen 2891a60109dcSYonatan Cohen return 0; 2892e126ba97SEli Cohen } 2893e126ba97SEli Cohen 2894e126ba97SEli Cohen enum { 2895e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2896e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2897e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2898e126ba97SEli Cohen }; 2899e126ba97SEli Cohen 2900e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2901e126ba97SEli Cohen { 29024f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2903e126ba97SEli Cohen return 0; 29044f32ac2eSDanit Goldberg 2905a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 2906e126ba97SEli Cohen return -EINVAL; 29074f32ac2eSDanit Goldberg 29084f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2909e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2910938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2911e126ba97SEli Cohen --rate; 2912e126ba97SEli Cohen 29134f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2914e126ba97SEli Cohen } 2915e126ba97SEli Cohen 291675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 29171cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 29181cd6dbd3SYishai Hadas struct ib_pd *pd) 291975850d0bSmajd@mellanox.com { 292075850d0bSmajd@mellanox.com void *in; 292175850d0bSmajd@mellanox.com void *tisc; 292275850d0bSmajd@mellanox.com int inlen; 292375850d0bSmajd@mellanox.com int err; 292475850d0bSmajd@mellanox.com 292575850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29261b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 292775850d0bSmajd@mellanox.com if (!in) 292875850d0bSmajd@mellanox.com return -ENOMEM; 292975850d0bSmajd@mellanox.com 293075850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 29311cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 293275850d0bSmajd@mellanox.com 293375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 293475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 293575850d0bSmajd@mellanox.com 293675850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 293775850d0bSmajd@mellanox.com 293875850d0bSmajd@mellanox.com kvfree(in); 293975850d0bSmajd@mellanox.com 294075850d0bSmajd@mellanox.com return err; 294175850d0bSmajd@mellanox.com } 294275850d0bSmajd@mellanox.com 294313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 29441cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 29451cd6dbd3SYishai Hadas struct ib_pd *pd) 294613eab21fSAviv Heller { 294713eab21fSAviv Heller void *in; 294813eab21fSAviv Heller void *tisc; 294913eab21fSAviv Heller int inlen; 295013eab21fSAviv Heller int err; 295113eab21fSAviv Heller 295213eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29531b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 295413eab21fSAviv Heller if (!in) 295513eab21fSAviv Heller return -ENOMEM; 295613eab21fSAviv Heller 295713eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 29581cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 295913eab21fSAviv Heller 296013eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 296113eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 296213eab21fSAviv Heller 296313eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 296413eab21fSAviv Heller 296513eab21fSAviv Heller kvfree(in); 296613eab21fSAviv Heller 296713eab21fSAviv Heller return err; 296813eab21fSAviv Heller } 296913eab21fSAviv Heller 297075850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 297190898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2972e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2973f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2974f879ee8dSAchiad Shochat bool alt) 2975e126ba97SEli Cohen { 2976d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2977e126ba97SEli Cohen int err; 2978ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2979d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2980d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2981e126ba97SEli Cohen 2982e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2983f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2984f879ee8dSAchiad Shochat attr->pkey_index); 2985e126ba97SEli Cohen 2986d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2987d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2988938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2989f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2990d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2991938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2992f83b4263SEli Cohen return -EINVAL; 2993f83b4263SEli Cohen } 29942811ba51SAchiad Shochat } 299544c58487SDasaratharaman Chandramouli 299644c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2997d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 29982811ba51SAchiad Shochat return -EINVAL; 299947ec3866SParav Pandit 300044c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 30012b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 30022b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 30032b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 30042b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 300547ec3866SParav Pandit path->udp_sport = 300647ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 3007d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 300847ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3009ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3010d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 30112811ba51SAchiad Shochat } else { 3012d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 3013d3ae2bdeSNoa Osherovich path->fl_free_ar |= 3014d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 3015d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 3016d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 3017d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 3018e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 3019d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 30202811ba51SAchiad Shochat } 30212811ba51SAchiad Shochat 3022d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3023d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 3024d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 3025e126ba97SEli Cohen path->tclass_flowlabel = 3026d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 3027d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 3028d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 3029e126ba97SEli Cohen } 3030e126ba97SEli Cohen 3031d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3032e126ba97SEli Cohen if (err < 0) 3033e126ba97SEli Cohen return err; 3034e126ba97SEli Cohen path->static_rate = err; 3035e126ba97SEli Cohen path->port = port; 3036e126ba97SEli Cohen 3037e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3038f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 3039e126ba97SEli Cohen 304075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 304175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 304275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 30431cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 304475850d0bSmajd@mellanox.com 3045e126ba97SEli Cohen return 0; 3046e126ba97SEli Cohen } 3047e126ba97SEli Cohen 3048e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3049e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3050e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3051e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3052e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3053e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3054e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3055e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3056e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3057e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3058e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3059e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3060e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3061e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 30628f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 30638f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30648f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30658f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 30668f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PRI_PORT, 3067e126ba97SEli Cohen }, 3068e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3069e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3070e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3071e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3072e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3073e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3074e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3075e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3076e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3077e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3078e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3079e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3080e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3081a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3082a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3083a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3084a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3085a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3086e126ba97SEli Cohen }, 3087e126ba97SEli Cohen }, 3088e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3089e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3090e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3091e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3092e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3093e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3094e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3095e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3096e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3097e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3098e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3099e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 31008f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 31018f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 31028f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31038f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31048f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31058f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3106e126ba97SEli Cohen }, 3107e126ba97SEli Cohen }, 3108e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3109e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3110e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3111e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3112e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3113e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3114c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3115c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3116e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3117c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3118c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3119e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3120e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3121e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 31228f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 31238f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31248f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31258f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 31268f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31278f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3128e126ba97SEli Cohen }, 3129e126ba97SEli Cohen }, 3130e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3131e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3132e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3133e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 313475959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3135a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3136a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3137a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3138a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 31398f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 31408f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31418f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31428f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3143e126ba97SEli Cohen }, 3144e126ba97SEli Cohen }, 3145e126ba97SEli Cohen }; 3146e126ba97SEli Cohen 3147e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3148e126ba97SEli Cohen { 3149e126ba97SEli Cohen switch (ib_mask) { 3150e126ba97SEli Cohen case IB_QP_STATE: 3151e126ba97SEli Cohen return 0; 3152e126ba97SEli Cohen case IB_QP_CUR_STATE: 3153e126ba97SEli Cohen return 0; 3154e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3155e126ba97SEli Cohen return 0; 3156e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3157e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3158e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3159e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3160e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3161e126ba97SEli Cohen case IB_QP_PORT: 3162e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3163e126ba97SEli Cohen case IB_QP_QKEY: 3164e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3165e126ba97SEli Cohen case IB_QP_AV: 3166e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3167e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3168e126ba97SEli Cohen case IB_QP_PATH_MTU: 3169e126ba97SEli Cohen return 0; 3170e126ba97SEli Cohen case IB_QP_TIMEOUT: 3171e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3172e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3173e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3174e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3175e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3176e126ba97SEli Cohen case IB_QP_RQ_PSN: 3177e126ba97SEli Cohen return 0; 3178e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3179e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3180e126ba97SEli Cohen case IB_QP_ALT_PATH: 3181e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3182e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3183e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3184e126ba97SEli Cohen case IB_QP_SQ_PSN: 3185e126ba97SEli Cohen return 0; 3186e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3187e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3188e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3189e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3190e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3191e126ba97SEli Cohen case IB_QP_CAP: 3192e126ba97SEli Cohen return 0; 3193e126ba97SEli Cohen case IB_QP_DEST_QPN: 3194e126ba97SEli Cohen return 0; 3195e126ba97SEli Cohen } 3196e126ba97SEli Cohen return 0; 3197e126ba97SEli Cohen } 3198e126ba97SEli Cohen 3199e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3200e126ba97SEli Cohen { 3201e126ba97SEli Cohen int result = 0; 3202e126ba97SEli Cohen int i; 3203e126ba97SEli Cohen 3204e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3205e126ba97SEli Cohen if ((1 << i) & ib_mask) 3206e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3207e126ba97SEli Cohen } 3208e126ba97SEli Cohen 3209e126ba97SEli Cohen return result; 3210e126ba97SEli Cohen } 3211e126ba97SEli Cohen 321234d57585SYishai Hadas static int modify_raw_packet_qp_rq( 321334d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 321434d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3215ad5f8e96Smajd@mellanox.com { 3216ad5f8e96Smajd@mellanox.com void *in; 3217ad5f8e96Smajd@mellanox.com void *rqc; 3218ad5f8e96Smajd@mellanox.com int inlen; 3219ad5f8e96Smajd@mellanox.com int err; 3220ad5f8e96Smajd@mellanox.com 3221ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 32221b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3223ad5f8e96Smajd@mellanox.com if (!in) 3224ad5f8e96Smajd@mellanox.com return -ENOMEM; 3225ad5f8e96Smajd@mellanox.com 3226ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 322734d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3228ad5f8e96Smajd@mellanox.com 3229ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3230ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3231ad5f8e96Smajd@mellanox.com 3232eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3233eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3234eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 323523a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3236eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3237eb49ab0cSAlex Vesker } else 32385a738b5dSJason Gunthorpe dev_info_once( 32395a738b5dSJason Gunthorpe &dev->ib_dev.dev, 32405a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3241eb49ab0cSAlex Vesker } 3242eb49ab0cSAlex Vesker 3243eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 3244ad5f8e96Smajd@mellanox.com if (err) 3245ad5f8e96Smajd@mellanox.com goto out; 3246ad5f8e96Smajd@mellanox.com 3247ad5f8e96Smajd@mellanox.com rq->state = new_state; 3248ad5f8e96Smajd@mellanox.com 3249ad5f8e96Smajd@mellanox.com out: 3250ad5f8e96Smajd@mellanox.com kvfree(in); 3251ad5f8e96Smajd@mellanox.com return err; 3252ad5f8e96Smajd@mellanox.com } 3253ad5f8e96Smajd@mellanox.com 3254c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3255c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3256c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3257ad5f8e96Smajd@mellanox.com { 32587d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 325961147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 326061147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 326161147f39SBodong Wang bool new_rate_added = false; 32627d29f349SBodong Wang u16 rl_index = 0; 3263ad5f8e96Smajd@mellanox.com void *in; 3264ad5f8e96Smajd@mellanox.com void *sqc; 3265ad5f8e96Smajd@mellanox.com int inlen; 3266ad5f8e96Smajd@mellanox.com int err; 3267ad5f8e96Smajd@mellanox.com 3268ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 32691b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3270ad5f8e96Smajd@mellanox.com if (!in) 3271ad5f8e96Smajd@mellanox.com return -ENOMEM; 3272ad5f8e96Smajd@mellanox.com 3273c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3274ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3275ad5f8e96Smajd@mellanox.com 3276ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3277ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3278ad5f8e96Smajd@mellanox.com 32797d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 32807d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 32817d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 32827d29f349SBodong Wang __func__); 32837d29f349SBodong Wang else 328461147f39SBodong Wang new_rl = raw_qp_param->rl; 32857d29f349SBodong Wang } 3286ad5f8e96Smajd@mellanox.com 328761147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 328861147f39SBodong Wang if (new_rl.rate) { 328961147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 32907d29f349SBodong Wang if (err) { 329161147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 329261147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 329361147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 329461147f39SBodong Wang new_rl.typical_pkt_sz); 329561147f39SBodong Wang 32967d29f349SBodong Wang goto out; 32977d29f349SBodong Wang } 329861147f39SBodong Wang new_rate_added = true; 32997d29f349SBodong Wang } 33007d29f349SBodong Wang 33017d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 330261147f39SBodong Wang /* index 0 means no limit */ 33037d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 33047d29f349SBodong Wang } 33057d29f349SBodong Wang 33067d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 33077d29f349SBodong Wang if (err) { 33087d29f349SBodong Wang /* Remove new rate from table if failed */ 330961147f39SBodong Wang if (new_rate_added) 331061147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 33117d29f349SBodong Wang goto out; 33127d29f349SBodong Wang } 33137d29f349SBodong Wang 33147d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3315c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3316c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 331761147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3318c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3319c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3320c8973df2SRafi Wiener } 33217d29f349SBodong Wang 332261147f39SBodong Wang ibqp->rl = new_rl; 3323ad5f8e96Smajd@mellanox.com sq->state = new_state; 3324ad5f8e96Smajd@mellanox.com 3325ad5f8e96Smajd@mellanox.com out: 3326ad5f8e96Smajd@mellanox.com kvfree(in); 3327ad5f8e96Smajd@mellanox.com return err; 3328ad5f8e96Smajd@mellanox.com } 3329ad5f8e96Smajd@mellanox.com 3330ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 333113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 333213eab21fSAviv Heller u8 tx_affinity) 3333ad5f8e96Smajd@mellanox.com { 3334ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3335ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3336ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 33377d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 33387d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3339ad5f8e96Smajd@mellanox.com int rq_state; 3340ad5f8e96Smajd@mellanox.com int sq_state; 3341ad5f8e96Smajd@mellanox.com int err; 3342ad5f8e96Smajd@mellanox.com 33430680efa2SAlex Vesker switch (raw_qp_param->operation) { 3344ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3345ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3346ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3347ad5f8e96Smajd@mellanox.com break; 3348ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3349ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3350ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3351ad5f8e96Smajd@mellanox.com break; 3352ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3353ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3354ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3355ad5f8e96Smajd@mellanox.com break; 3356ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3357ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 33587d29f349SBodong Wang if (raw_qp_param->set_mask == 33597d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 33607d29f349SBodong Wang modify_rq = 0; 33617d29f349SBodong Wang sq_state = sq->state; 33627d29f349SBodong Wang } else { 33637d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 33647d29f349SBodong Wang } 33657d29f349SBodong Wang break; 33667d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 33677d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3368eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3369eb49ab0cSAlex Vesker return -EINVAL; 3370eb49ab0cSAlex Vesker else 3371ad5f8e96Smajd@mellanox.com return 0; 3372ad5f8e96Smajd@mellanox.com default: 3373ad5f8e96Smajd@mellanox.com WARN_ON(1); 3374ad5f8e96Smajd@mellanox.com return -EINVAL; 3375ad5f8e96Smajd@mellanox.com } 3376ad5f8e96Smajd@mellanox.com 33777d29f349SBodong Wang if (modify_rq) { 337834d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 337934d57585SYishai Hadas qp->ibqp.pd); 3380ad5f8e96Smajd@mellanox.com if (err) 3381ad5f8e96Smajd@mellanox.com return err; 3382ad5f8e96Smajd@mellanox.com } 3383ad5f8e96Smajd@mellanox.com 33847d29f349SBodong Wang if (modify_sq) { 3385d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3386d5ed8ac3SMark Bloch 338713eab21fSAviv Heller if (tx_affinity) { 338813eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 33891cd6dbd3SYishai Hadas tx_affinity, 33901cd6dbd3SYishai Hadas qp->ibqp.pd); 339113eab21fSAviv Heller if (err) 339213eab21fSAviv Heller return err; 339313eab21fSAviv Heller } 339413eab21fSAviv Heller 3395d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3396d5ed8ac3SMark Bloch raw_qp_param->port); 3397d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 33981db86318SColin Ian King return PTR_ERR(flow_rule); 3399d5ed8ac3SMark Bloch 3400d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3401c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3402d5ed8ac3SMark Bloch if (err) { 3403d5ed8ac3SMark Bloch if (flow_rule) 3404d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3405d5ed8ac3SMark Bloch return err; 3406d5ed8ac3SMark Bloch } 3407d5ed8ac3SMark Bloch 3408d5ed8ac3SMark Bloch if (flow_rule) { 3409d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3410d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3411d5ed8ac3SMark Bloch } 3412d5ed8ac3SMark Bloch 3413d5ed8ac3SMark Bloch return err; 341413eab21fSAviv Heller } 3415ad5f8e96Smajd@mellanox.com 3416ad5f8e96Smajd@mellanox.com return 0; 3417ad5f8e96Smajd@mellanox.com } 3418ad5f8e96Smajd@mellanox.com 3419c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3420c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3421c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 342289944450SShamir Rabinovitch u8 port_num, struct ib_udata *udata) 3423c6a21c38SMajd Dibbiny { 342489944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 342589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 3426c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3427c6a21c38SMajd Dibbiny 3428c6a21c38SMajd Dibbiny if (ucontext) { 3429c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3430c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3431c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3432c6a21c38SMajd Dibbiny 1; 3433c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3434c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3435c6a21c38SMajd Dibbiny } else { 3436c6a21c38SMajd Dibbiny tx_port_affinity = 3437c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 343895579e78SMark Bloch 1, &dev->port[port_num].roce.tx_port_affinity) % 3439c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3440c6a21c38SMajd Dibbiny 1; 3441c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3442c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3443c6a21c38SMajd Dibbiny } 3444c6a21c38SMajd Dibbiny 3445c6a21c38SMajd Dibbiny return tx_port_affinity; 3446c6a21c38SMajd Dibbiny } 3447c6a21c38SMajd Dibbiny 3448d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3449d14133ddSMark Zhang struct rdma_counter *counter) 3450d14133ddSMark Zhang { 3451d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 3452d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3453d14133ddSMark Zhang struct mlx5_qp_context context = {}; 3454d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3455d14133ddSMark Zhang u32 set_id; 3456d14133ddSMark Zhang 34573e1f000fSParav Pandit if (counter) 3458d14133ddSMark Zhang set_id = counter->id; 34593e1f000fSParav Pandit else 34603e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3461d14133ddSMark Zhang 3462d14133ddSMark Zhang base = &mqp->trans_qp.base; 3463d14133ddSMark Zhang context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); 3464d14133ddSMark Zhang context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); 3465d14133ddSMark Zhang return mlx5_core_qp_modify(dev->mdev, 3466d14133ddSMark Zhang MLX5_CMD_OP_RTS2RTS_QP, 3467d14133ddSMark Zhang MLX5_QP_OPTPAR_COUNTER_SET_ID, 3468d14133ddSMark Zhang &context, &base->mqp); 3469d14133ddSMark Zhang } 3470d14133ddSMark Zhang 3471e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3472e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 347389944450SShamir Rabinovitch enum ib_qp_state cur_state, 347489944450SShamir Rabinovitch enum ib_qp_state new_state, 347589944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 347689944450SShamir Rabinovitch struct ib_udata *udata) 3477e126ba97SEli Cohen { 3478427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3479427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 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_RST2INIT_QP, 3483427c1e7bSmajd@mellanox.com }, 3484427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3485427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3486427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3487427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3488427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3489427c1e7bSmajd@mellanox.com }, 3490427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 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_RTR2RTS_QP, 3494427c1e7bSmajd@mellanox.com }, 3495427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 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 [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3499427c1e7bSmajd@mellanox.com }, 3500427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3501427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3502427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3503427c1e7bSmajd@mellanox.com }, 3504427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 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 [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3508427c1e7bSmajd@mellanox.com }, 3509427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3510427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3511427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3512427c1e7bSmajd@mellanox.com } 3513427c1e7bSmajd@mellanox.com }; 3514427c1e7bSmajd@mellanox.com 3515e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3516e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 351719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3518e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3519e126ba97SEli Cohen struct mlx5_qp_context *context; 3520e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3521e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3522e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3523d14133ddSMark Zhang u32 set_id = 0; 3524e126ba97SEli Cohen int mlx5_st; 3525e126ba97SEli Cohen int err; 3526427c1e7bSmajd@mellanox.com u16 op; 352713eab21fSAviv Heller u8 tx_affinity = 0; 3528e126ba97SEli Cohen 352955de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 353055de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 353155de9a77SLeon Romanovsky if (mlx5_st < 0) 353255de9a77SLeon Romanovsky return -EINVAL; 353355de9a77SLeon Romanovsky 35341a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 35351a412fb1SSaeed Mahameed if (!context) 3536e126ba97SEli Cohen return -ENOMEM; 3537e126ba97SEli Cohen 3538c6a21c38SMajd Dibbiny pd = get_pd(qp); 353955de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3540e126ba97SEli Cohen 3541e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3542e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3543e126ba97SEli Cohen } else { 3544e126ba97SEli Cohen switch (attr->path_mig_state) { 3545e126ba97SEli Cohen case IB_MIG_MIGRATED: 3546e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3547e126ba97SEli Cohen break; 3548e126ba97SEli Cohen case IB_MIG_REARM: 3549e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3550e126ba97SEli Cohen break; 3551e126ba97SEli Cohen case IB_MIG_ARMED: 3552e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3553e126ba97SEli Cohen break; 3554e126ba97SEli Cohen } 3555e126ba97SEli Cohen } 3556e126ba97SEli Cohen 355713eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 355813eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 355913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 356013eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 356113eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 356213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 356313eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 356413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 35657c34ec19SAviv Heller if (dev->lag_active) { 356695579e78SMark Bloch u8 p = mlx5_core_native_port_num(dev->mdev) - 1; 356789944450SShamir Rabinovitch tx_affinity = get_tx_affinity(dev, pd, base, p, 356889944450SShamir Rabinovitch udata); 356913eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 357013eab21fSAviv Heller } 357113eab21fSAviv Heller } 357213eab21fSAviv Heller } 357313eab21fSAviv Heller 3574d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3575e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3576c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 3577c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 3578e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3579e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3580e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3581e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3582e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3583e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3584e126ba97SEli Cohen err = -EINVAL; 3585e126ba97SEli Cohen goto out; 3586e126ba97SEli Cohen } 3587938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3588938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3589e126ba97SEli Cohen } 3590e126ba97SEli Cohen 3591e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3592e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3593e126ba97SEli Cohen 3594e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3595d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3596e126ba97SEli Cohen 3597e126ba97SEli Cohen /* todo implement counter_index functionality */ 3598e126ba97SEli Cohen 3599e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3600e126ba97SEli Cohen context->pri_path.port = qp->port; 3601e126ba97SEli Cohen 3602e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3603e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3604e126ba97SEli Cohen 3605e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 360675850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3607e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3608f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3609e126ba97SEli Cohen if (err) 3610e126ba97SEli Cohen goto out; 3611e126ba97SEli Cohen } 3612e126ba97SEli Cohen 3613e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3614e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3615e126ba97SEli Cohen 3616e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 361775850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 361875850d0bSmajd@mellanox.com &context->alt_path, 3619f879ee8dSAchiad Shochat attr->alt_port_num, 3620f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3621f879ee8dSAchiad Shochat 0, attr, true); 3622e126ba97SEli Cohen if (err) 3623e126ba97SEli Cohen goto out; 3624e126ba97SEli Cohen } 3625e126ba97SEli Cohen 362689ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 362789ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3628e126ba97SEli Cohen 3629e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3630e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3631e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3632e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3633e126ba97SEli Cohen 3634e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3635e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3636e126ba97SEli Cohen 3637e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3638e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3639e126ba97SEli Cohen 3640e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3641e126ba97SEli Cohen if (attr->max_rd_atomic) 3642e126ba97SEli Cohen context->params1 |= 3643e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3644e126ba97SEli Cohen } 3645e126ba97SEli Cohen 3646e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3647e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3648e126ba97SEli Cohen 3649e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3650e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3651e126ba97SEli Cohen context->params2 |= 3652e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3653e126ba97SEli Cohen } 3654e126ba97SEli Cohen 3655a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3656bf3b4f06SBart Van Assche __be32 access_flags; 3657a60109dcSYonatan Cohen 3658a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3659a60109dcSYonatan Cohen if (err) 3660a60109dcSYonatan Cohen goto out; 3661a60109dcSYonatan Cohen 3662a60109dcSYonatan Cohen context->params2 |= access_flags; 3663a60109dcSYonatan Cohen } 3664e126ba97SEli Cohen 3665e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3666e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3667e126ba97SEli Cohen 3668e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3669e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3670e126ba97SEli Cohen 3671e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3672e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3673e126ba97SEli Cohen 3674e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3675e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3676e126ba97SEli Cohen 36770837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 36780837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 36790837e86aSMark Bloch qp->port) - 1; 3680c2e53b2cSYishai Hadas 3681c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3682c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3683c2e53b2cSYishai Hadas port_num = 0; 3684c2e53b2cSYishai Hadas 3685d14133ddSMark Zhang if (ibqp->counter) 3686d14133ddSMark Zhang set_id = ibqp->counter->id; 3687d14133ddSMark Zhang else 36883e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 36890837e86aSMark Bloch context->qp_counter_set_usr_page |= 3690d14133ddSMark Zhang cpu_to_be32(set_id << 24); 36910837e86aSMark Bloch } 36920837e86aSMark Bloch 3693e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3694e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3695e126ba97SEli Cohen 3696b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3697b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3698e126ba97SEli Cohen 3699e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3700e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3701e126ba97SEli Cohen 3702427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 37035d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 37045d414b17SDan Carpenter err = -EINVAL; 3705427c1e7bSmajd@mellanox.com goto out; 37065d414b17SDan Carpenter } 3707427c1e7bSmajd@mellanox.com 3708427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3709e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3710e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3711ad5f8e96Smajd@mellanox.com 3712c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3713c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 37140680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 37150680efa2SAlex Vesker 37160680efa2SAlex Vesker raw_qp_param.operation = op; 3717eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3718d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3719eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3720eb49ab0cSAlex Vesker } 37217d29f349SBodong Wang 3722d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3723d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3724d5ed8ac3SMark Bloch 37257d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 372661147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 372761147f39SBodong Wang 372861147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 372961147f39SBodong Wang if (attr->rate_limit && 373061147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 373161147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 373261147f39SBodong Wang ucmd->burst_info.max_burst_sz; 373361147f39SBodong Wang } else { 373461147f39SBodong Wang err = -EINVAL; 373561147f39SBodong Wang goto out; 373661147f39SBodong Wang } 373761147f39SBodong Wang } 373861147f39SBodong Wang 373961147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 374061147f39SBodong Wang if (attr->rate_limit && 374161147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 374261147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 374361147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 374461147f39SBodong Wang } else { 374561147f39SBodong Wang err = -EINVAL; 374661147f39SBodong Wang goto out; 374761147f39SBodong Wang } 374861147f39SBodong Wang } 374961147f39SBodong Wang 37507d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 37517d29f349SBodong Wang } 37527d29f349SBodong Wang 375313eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 37540680efa2SAlex Vesker } else { 37551a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 375619098df2Smajd@mellanox.com &base->mqp); 37570680efa2SAlex Vesker } 37580680efa2SAlex Vesker 3759e126ba97SEli Cohen if (err) 3760e126ba97SEli Cohen goto out; 3761e126ba97SEli Cohen 3762e126ba97SEli Cohen qp->state = new_state; 3763e126ba97SEli Cohen 3764e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 376519098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3766e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 376719098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3768e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3769e126ba97SEli Cohen qp->port = attr->port_num; 3770e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 377119098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3772e126ba97SEli Cohen 3773e126ba97SEli Cohen /* 3774e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3775e126ba97SEli Cohen * entries and reinitialize the QP. 3776e126ba97SEli Cohen */ 377775a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 377875a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 377919098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3780e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3781e126ba97SEli Cohen if (send_cq != recv_cq) 378219098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3783e126ba97SEli Cohen 3784e126ba97SEli Cohen qp->rq.head = 0; 3785e126ba97SEli Cohen qp->rq.tail = 0; 3786e126ba97SEli Cohen qp->sq.head = 0; 3787e126ba97SEli Cohen qp->sq.tail = 0; 3788e126ba97SEli Cohen qp->sq.cur_post = 0; 378934f4c955SGuy Levi if (qp->sq.wqe_cnt) 379034f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3791e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3792e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3793e126ba97SEli Cohen } 3794e126ba97SEli Cohen 3795d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 3796d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 3797d14133ddSMark Zhang if (!err) 3798d14133ddSMark Zhang qp->counter_pending = 0; 3799d14133ddSMark Zhang } 3800d14133ddSMark Zhang 3801e126ba97SEli Cohen out: 38021a412fb1SSaeed Mahameed kfree(context); 3803e126ba97SEli Cohen return err; 3804e126ba97SEli Cohen } 3805e126ba97SEli Cohen 3806c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3807c32a4f29SMoni Shoua { 3808c32a4f29SMoni Shoua if ((mask & req) != req) 3809c32a4f29SMoni Shoua return false; 3810c32a4f29SMoni Shoua 3811c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3812c32a4f29SMoni Shoua return false; 3813c32a4f29SMoni Shoua 3814c32a4f29SMoni Shoua return true; 3815c32a4f29SMoni Shoua } 3816c32a4f29SMoni Shoua 3817c32a4f29SMoni Shoua /* check valid transition for driver QP types 3818c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3819c32a4f29SMoni Shoua */ 3820c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3821c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3822c32a4f29SMoni Shoua { 3823c32a4f29SMoni Shoua int req = IB_QP_STATE; 3824c32a4f29SMoni Shoua int opt = 0; 3825c32a4f29SMoni Shoua 382699ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 382799ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 382899ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3829c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3830c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3831c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3832c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3833c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3834c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3835c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 38365ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3837c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3838c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3839c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3840c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3841c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3842c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3843c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3844c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3845c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3846c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3847c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3848c32a4f29SMoni Shoua } 3849c32a4f29SMoni Shoua return false; 3850c32a4f29SMoni Shoua } 3851c32a4f29SMoni Shoua 3852776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3853776a3906SMoni Shoua * valid transitions are: 3854776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3855776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3856776a3906SMoni Shoua * mtu, gid_index and hop_limit 3857776a3906SMoni Shoua * Other transitions and attributes are illegal 3858776a3906SMoni Shoua */ 3859776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3860776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3861776a3906SMoni Shoua { 3862776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3863776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3864776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3865776a3906SMoni Shoua int err = 0; 3866776a3906SMoni Shoua int required = IB_QP_STATE; 3867776a3906SMoni Shoua void *dctc; 3868776a3906SMoni Shoua 3869776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3870776a3906SMoni Shoua return -EINVAL; 3871776a3906SMoni Shoua 3872776a3906SMoni Shoua cur_state = qp->state; 3873776a3906SMoni Shoua new_state = attr->qp_state; 3874776a3906SMoni Shoua 3875776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3876776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 38773e1f000fSParav Pandit u16 set_id; 38783e1f000fSParav Pandit 3879776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3880776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3881776a3906SMoni Shoua return -EINVAL; 3882776a3906SMoni Shoua 3883776a3906SMoni Shoua if (attr->port_num == 0 || 3884776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3885776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3886776a3906SMoni Shoua attr->port_num, dev->num_ports); 3887776a3906SMoni Shoua return -EINVAL; 3888776a3906SMoni Shoua } 3889776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3890776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3891776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3892776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3893776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3894a60109dcSYonatan Cohen int atomic_mode; 3895a60109dcSYonatan Cohen 3896a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3897a60109dcSYonatan Cohen if (atomic_mode < 0) 3898776a3906SMoni Shoua return -EOPNOTSUPP; 3899a60109dcSYonatan Cohen 3900a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3901776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3902776a3906SMoni Shoua } 3903776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3904776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 39053e1f000fSParav Pandit 39063e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 39073e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 3908776a3906SMoni Shoua 3909776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3910776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3911c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 3912776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3913776a3906SMoni Shoua sizeof(resp.dctn); 3914776a3906SMoni Shoua 3915776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3916776a3906SMoni Shoua return -EINVAL; 3917776a3906SMoni Shoua resp.response_length = min_resp_len; 3918776a3906SMoni Shoua 3919776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3920776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3921776a3906SMoni Shoua return -EINVAL; 3922776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3923776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3924776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3925776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3926776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3927776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3928776a3906SMoni Shoua 3929776a3906SMoni Shoua err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, 3930c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 3931c5ae1954SYishai Hadas sizeof(out)); 3932776a3906SMoni Shoua if (err) 3933776a3906SMoni Shoua return err; 3934776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3935776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3936776a3906SMoni Shoua if (err) { 3937776a3906SMoni Shoua mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); 3938776a3906SMoni Shoua return err; 3939776a3906SMoni Shoua } 3940776a3906SMoni Shoua } else { 3941776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3942776a3906SMoni Shoua return -EINVAL; 3943776a3906SMoni Shoua } 3944776a3906SMoni Shoua if (err) 3945776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3946776a3906SMoni Shoua else 3947776a3906SMoni Shoua qp->state = new_state; 3948776a3906SMoni Shoua return err; 3949776a3906SMoni Shoua } 3950776a3906SMoni Shoua 3951e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3952e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3953e126ba97SEli Cohen { 3954e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3955e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 395661147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3957d16e91daSHaggai Eran enum ib_qp_type qp_type; 3958e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 395961147f39SBodong Wang size_t required_cmd_sz; 3960e126ba97SEli Cohen int err = -EINVAL; 3961e126ba97SEli Cohen int port; 3962e126ba97SEli Cohen 396328d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 396428d61370SYishai Hadas return -ENOSYS; 396528d61370SYishai Hadas 396661147f39SBodong Wang if (udata && udata->inlen) { 396761147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 396861147f39SBodong Wang sizeof(ucmd.reserved); 396961147f39SBodong Wang if (udata->inlen < required_cmd_sz) 397061147f39SBodong Wang return -EINVAL; 397161147f39SBodong Wang 397261147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 397361147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 397461147f39SBodong Wang udata->inlen - sizeof(ucmd))) 397561147f39SBodong Wang return -EOPNOTSUPP; 397661147f39SBodong Wang 397761147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 397861147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 397961147f39SBodong Wang return -EFAULT; 398061147f39SBodong Wang 398161147f39SBodong Wang if (ucmd.comp_mask || 398261147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 398361147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 398461147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 398561147f39SBodong Wang return -EOPNOTSUPP; 398661147f39SBodong Wang } 398761147f39SBodong Wang 3988d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3989d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3990d16e91daSHaggai Eran 3991c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3992c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3993c32a4f29SMoni Shoua else 3994d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3995d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3996d16e91daSHaggai Eran 3997776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3998776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3999c32a4f29SMoni Shoua 4000e126ba97SEli Cohen mutex_lock(&qp->mutex); 4001e126ba97SEli Cohen 4002e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4003e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4004e126ba97SEli Cohen 40052811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 40062811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 40072811ba51SAchiad Shochat } 40082811ba51SAchiad Shochat 4009c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 4010c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4011c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4012c2e53b2cSYishai Hadas attr_mask); 4013c2e53b2cSYishai Hadas goto out; 4014c2e53b2cSYishai Hadas } 4015c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4016c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4017d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4018d31131bbSKamal Heib attr_mask)) { 4019158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4020158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4021e126ba97SEli Cohen goto out; 4022c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4023c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4024c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4025c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4026c32a4f29SMoni Shoua goto out; 4027158abf86SHaggai Eran } 4028e126ba97SEli Cohen 4029e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4030938fe83cSSaeed Mahameed (attr->port_num == 0 || 4031508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4032158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4033158abf86SHaggai Eran attr->port_num, dev->num_ports); 4034e126ba97SEli Cohen goto out; 4035158abf86SHaggai Eran } 4036e126ba97SEli Cohen 4037e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4038e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4039938fe83cSSaeed Mahameed if (attr->pkey_index >= 4040158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4041158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4042158abf86SHaggai Eran attr->pkey_index); 4043e126ba97SEli Cohen goto out; 4044e126ba97SEli Cohen } 4045158abf86SHaggai Eran } 4046e126ba97SEli Cohen 4047e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4048938fe83cSSaeed Mahameed attr->max_rd_atomic > 4049158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4050158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4051158abf86SHaggai Eran attr->max_rd_atomic); 4052e126ba97SEli Cohen goto out; 4053158abf86SHaggai Eran } 4054e126ba97SEli Cohen 4055e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4056938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4057158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4058158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4059158abf86SHaggai Eran attr->max_dest_rd_atomic); 4060e126ba97SEli Cohen goto out; 4061158abf86SHaggai Eran } 4062e126ba97SEli Cohen 4063e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4064e126ba97SEli Cohen err = 0; 4065e126ba97SEli Cohen goto out; 4066e126ba97SEli Cohen } 4067e126ba97SEli Cohen 406861147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 406989944450SShamir Rabinovitch new_state, &ucmd, udata); 4070e126ba97SEli Cohen 4071e126ba97SEli Cohen out: 4072e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4073e126ba97SEli Cohen return err; 4074e126ba97SEli Cohen } 4075e126ba97SEli Cohen 407634f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 407734f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 407834f4c955SGuy Levi { 407934f4c955SGuy Levi u32 idx; 408034f4c955SGuy Levi 408134f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 408234f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 408334f4c955SGuy Levi 408434f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 408534f4c955SGuy Levi } 408634f4c955SGuy Levi 408734f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 408834f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 408934f4c955SGuy Levi * @sq - SQ buffer. 409034f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 409134f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 409234f4c955SGuy Levi * @cur_edge: Updated current edge. 409334f4c955SGuy Levi */ 409434f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 409534f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 409634f4c955SGuy Levi { 409734f4c955SGuy Levi if (likely(*seg != *cur_edge)) 409834f4c955SGuy Levi return; 409934f4c955SGuy Levi 410034f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 410134f4c955SGuy Levi } 410234f4c955SGuy Levi 410334f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 410434f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 410534f4c955SGuy Levi * @sq - SQ buffer. 410634f4c955SGuy Levi * @cur_edge: Updated current edge. 410734f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 410834f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 410934f4c955SGuy Levi * @src: Pointer to copy from. 411034f4c955SGuy Levi * @n: Number of bytes to copy. 411134f4c955SGuy Levi */ 411234f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 411334f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 411434f4c955SGuy Levi size_t n) 411534f4c955SGuy Levi { 411634f4c955SGuy Levi while (likely(n)) { 411734f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 411834f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 411934f4c955SGuy Levi size_t stride; 412034f4c955SGuy Levi 412134f4c955SGuy Levi memcpy(*seg, src, copysz); 412234f4c955SGuy Levi 412334f4c955SGuy Levi n -= copysz; 412434f4c955SGuy Levi src += copysz; 412534f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 412634f4c955SGuy Levi *seg += stride; 412734f4c955SGuy Levi *wqe_sz += stride >> 4; 412834f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 412934f4c955SGuy Levi } 413034f4c955SGuy Levi } 413134f4c955SGuy Levi 4132e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 4133e126ba97SEli Cohen { 4134e126ba97SEli Cohen struct mlx5_ib_cq *cq; 4135e126ba97SEli Cohen unsigned cur; 4136e126ba97SEli Cohen 4137e126ba97SEli Cohen cur = wq->head - wq->tail; 4138e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 4139e126ba97SEli Cohen return 0; 4140e126ba97SEli Cohen 4141e126ba97SEli Cohen cq = to_mcq(ib_cq); 4142e126ba97SEli Cohen spin_lock(&cq->lock); 4143e126ba97SEli Cohen cur = wq->head - wq->tail; 4144e126ba97SEli Cohen spin_unlock(&cq->lock); 4145e126ba97SEli Cohen 4146e126ba97SEli Cohen return cur + nreq >= wq->max_post; 4147e126ba97SEli Cohen } 4148e126ba97SEli Cohen 4149e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 4150e126ba97SEli Cohen u64 remote_addr, u32 rkey) 4151e126ba97SEli Cohen { 4152e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 4153e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 4154e126ba97SEli Cohen rseg->reserved = 0; 4155e126ba97SEli Cohen } 4156e126ba97SEli Cohen 415734f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 415834f4c955SGuy Levi void **seg, int *size, void **cur_edge) 4159f0313965SErez Shitrit { 416034f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 4161f0313965SErez Shitrit 4162f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 4163f0313965SErez Shitrit 4164f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 4165f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 4166f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 4167f0313965SErez Shitrit 4168f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 4169f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 417034f4c955SGuy Levi size_t left, copysz; 4171f0313965SErez Shitrit void *pdata = ud_wr->header; 417234f4c955SGuy Levi size_t stride; 4173f0313965SErez Shitrit 4174f0313965SErez Shitrit left = ud_wr->hlen; 4175f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 41762b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 4177f0313965SErez Shitrit 417834f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 417934f4c955SGuy Levi * first copy up to the current edge and then, if needed, 418034f4c955SGuy Levi * fall-through to memcpy_send_wqe. 4181f0313965SErez Shitrit */ 418234f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 418334f4c955SGuy Levi left); 418434f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 418534f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 418634f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 418734f4c955SGuy Levi *size += stride / 16; 418834f4c955SGuy Levi *seg += stride; 4189f0313965SErez Shitrit 419034f4c955SGuy Levi if (copysz < left) { 419134f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4192f0313965SErez Shitrit left -= copysz; 4193f0313965SErez Shitrit pdata += copysz; 419434f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 419534f4c955SGuy Levi left); 4196f0313965SErez Shitrit } 4197f0313965SErez Shitrit 419834f4c955SGuy Levi return; 419934f4c955SGuy Levi } 420034f4c955SGuy Levi 420134f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 420234f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 4203f0313965SErez Shitrit } 4204f0313965SErez Shitrit 4205e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 4206f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4207e126ba97SEli Cohen { 4208e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 4209e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 4210e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 4211e126ba97SEli Cohen } 4212e126ba97SEli Cohen 4213e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 4214e126ba97SEli Cohen { 4215e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 4216e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 4217e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 4218e126ba97SEli Cohen } 4219e126ba97SEli Cohen 422031616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 4221e126ba97SEli Cohen { 422231616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 422331616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 4224e126ba97SEli Cohen } 4225e126ba97SEli Cohen 4226841b07f9SMoni Shoua static __be64 frwr_mkey_mask(bool atomic) 4227e126ba97SEli Cohen { 4228e126ba97SEli Cohen u64 result; 4229e126ba97SEli Cohen 4230e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 4231e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 4232e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 4233e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 4234e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 4235e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 4236e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 4237e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 4238e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 4239e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 4240e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4241e126ba97SEli Cohen 4242841b07f9SMoni Shoua if (atomic) 4243841b07f9SMoni Shoua result |= MLX5_MKEY_MASK_A; 4244841b07f9SMoni Shoua 4245e126ba97SEli Cohen return cpu_to_be64(result); 4246e126ba97SEli Cohen } 4247e126ba97SEli Cohen 4248e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 4249e6631814SSagi Grimberg { 4250e6631814SSagi Grimberg u64 result; 4251e6631814SSagi Grimberg 4252e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 4253e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 4254e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 4255d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 4256e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 4257e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 4258e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 4259e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 4260e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 4261e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 4262e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 4263e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 4264e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 4265e6631814SSagi Grimberg 4266e6631814SSagi Grimberg return cpu_to_be64(result); 4267e6631814SSagi Grimberg } 4268e6631814SSagi Grimberg 42698a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 4270841b07f9SMoni Shoua struct mlx5_ib_mr *mr, u8 flags, bool atomic) 42718a187ee5SSagi Grimberg { 427238ca87c6SMax Gurtovoy int size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 42738a187ee5SSagi Grimberg 42748a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4275b005d316SSagi Grimberg 42769ac7c4bcSMax Gurtovoy umr->flags = flags; 427731616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4278841b07f9SMoni Shoua umr->mkey_mask = frwr_mkey_mask(atomic); 42798a187ee5SSagi Grimberg } 42808a187ee5SSagi Grimberg 4281dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 4282e126ba97SEli Cohen { 4283e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 4284e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 42852d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 4286e126ba97SEli Cohen } 4287e126ba97SEli Cohen 428831616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 4289e126ba97SEli Cohen { 4290968e78ddSHaggai Eran u64 result; 4291e126ba97SEli Cohen 429231616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4293e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4294968e78ddSHaggai Eran 4295968e78ddSHaggai Eran return cpu_to_be64(result); 4296968e78ddSHaggai Eran } 4297968e78ddSHaggai Eran 429831616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4299968e78ddSHaggai Eran { 4300968e78ddSHaggai Eran u64 result; 4301968e78ddSHaggai Eran 4302968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4303968e78ddSHaggai Eran 4304968e78ddSHaggai Eran return cpu_to_be64(result); 4305968e78ddSHaggai Eran } 4306968e78ddSHaggai Eran 430756e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 430856e11d62SNoa Osherovich { 430956e11d62SNoa Osherovich u64 result; 431056e11d62SNoa Osherovich 431156e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 431256e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 431331616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 431456e11d62SNoa Osherovich 431556e11d62SNoa Osherovich return cpu_to_be64(result); 431656e11d62SNoa Osherovich } 431756e11d62SNoa Osherovich 431831616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 431956e11d62SNoa Osherovich { 432056e11d62SNoa Osherovich u64 result; 432156e11d62SNoa Osherovich 432231616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 432331616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 432456e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 432531616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 432631616255SArtemy Kovalyov 432731616255SArtemy Kovalyov if (atomic) 432831616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 432956e11d62SNoa Osherovich 433056e11d62SNoa Osherovich return cpu_to_be64(result); 433156e11d62SNoa Osherovich } 433256e11d62SNoa Osherovich 433356e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 433456e11d62SNoa Osherovich { 433556e11d62SNoa Osherovich u64 result; 433656e11d62SNoa Osherovich 433731616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 433856e11d62SNoa Osherovich 433956e11d62SNoa Osherovich return cpu_to_be64(result); 434056e11d62SNoa Osherovich } 434156e11d62SNoa Osherovich 4342c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4343c8d75a98SMajd Dibbiny { 4344c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4345c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4346c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4347c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4348c8d75a98SMajd Dibbiny return -EPERM; 4349c8d75a98SMajd Dibbiny return 0; 4350c8d75a98SMajd Dibbiny } 4351c8d75a98SMajd Dibbiny 4352c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4353c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4354f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4355968e78ddSHaggai Eran { 4356f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4357968e78ddSHaggai Eran 4358968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4359968e78ddSHaggai Eran 43606a053953SYishai Hadas if (!umrwr->ignore_free_state) { 4361968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 43626a053953SYishai Hadas /* fail if free */ 43636a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_FREE; 4364968e78ddSHaggai Eran else 43656a053953SYishai Hadas /* fail if not free */ 43666a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_NOT_FREE; 43676a053953SYishai Hadas } 4368968e78ddSHaggai Eran 436931616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 437031616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 437131616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 437231616255SArtemy Kovalyov 437331616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 437431616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4375968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4376968e78ddSHaggai Eran } 437756e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 437856e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 437931616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 438031616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 438156e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4382e126ba97SEli Cohen } 438331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 438431616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 438531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 438631616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4387e126ba97SEli Cohen 4388e126ba97SEli Cohen if (!wr->num_sge) 4389968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4390c8d75a98SMajd Dibbiny 4391c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4392e126ba97SEli Cohen } 4393e126ba97SEli Cohen 4394e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4395e126ba97SEli Cohen { 4396e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4397e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4398e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4399e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 44002ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4401e126ba97SEli Cohen } 4402e126ba97SEli Cohen 44038a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 44048a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44058a187ee5SSagi Grimberg u32 key, int access) 44068a187ee5SSagi Grimberg { 440738ca87c6SMax Gurtovoy int ndescs = ALIGN(mr->ndescs + mr->meta_ndescs, 8) >> 1; 44088a187ee5SSagi Grimberg 44098a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4410b005d316SSagi Grimberg 4411ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4412b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4413ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4414b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4415b005d316SSagi Grimberg ndescs *= 2; 4416b005d316SSagi Grimberg 4417b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 44188a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 44198a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 44208a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 44218a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 44228a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 44238a187ee5SSagi Grimberg } 44248a187ee5SSagi Grimberg 4425dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4426e126ba97SEli Cohen { 4427e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4428968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4429e126ba97SEli Cohen } 4430e126ba97SEli Cohen 4431f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4432f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4433e126ba97SEli Cohen { 4434f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4435968e78ddSHaggai Eran 4436e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 443731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4438968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4439e126ba97SEli Cohen 4440968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 444156e11d62SNoa Osherovich if (umrwr->pd) 4442968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 444331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 444431616255SArtemy Kovalyov !umrwr->length) 444531616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 444631616255SArtemy Kovalyov 444731616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4448968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4449968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4450746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4451968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4452e126ba97SEli Cohen } 4453e126ba97SEli Cohen 44548a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 44558a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44568a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 44578a187ee5SSagi Grimberg { 445838ca87c6SMax Gurtovoy int bcount = mr->desc_size * (mr->ndescs + mr->meta_ndescs); 44598a187ee5SSagi Grimberg 44608a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 44618a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 44628a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 44638a187ee5SSagi Grimberg } 44648a187ee5SSagi Grimberg 4465f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4466e126ba97SEli Cohen { 4467e126ba97SEli Cohen switch (wr->opcode) { 4468e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4469e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4470e126ba97SEli Cohen return wr->ex.imm_data; 4471e126ba97SEli Cohen 4472e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4473e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4474e126ba97SEli Cohen 4475e126ba97SEli Cohen default: 4476e126ba97SEli Cohen return 0; 4477e126ba97SEli Cohen } 4478e126ba97SEli Cohen } 4479e126ba97SEli Cohen 4480e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4481e126ba97SEli Cohen { 4482e126ba97SEli Cohen u8 *p = wqe; 4483e126ba97SEli Cohen u8 res = 0; 4484e126ba97SEli Cohen int i; 4485e126ba97SEli Cohen 4486e126ba97SEli Cohen for (i = 0; i < size; i++) 4487e126ba97SEli Cohen res ^= p[i]; 4488e126ba97SEli Cohen 4489e126ba97SEli Cohen return ~res; 4490e126ba97SEli Cohen } 4491e126ba97SEli Cohen 4492e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4493e126ba97SEli Cohen { 4494e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4495e126ba97SEli Cohen } 4496e126ba97SEli Cohen 4497f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 449834f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4499e126ba97SEli Cohen { 4500e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 450134f4c955SGuy Levi size_t offset; 4502e126ba97SEli Cohen int inl = 0; 4503e126ba97SEli Cohen int i; 4504e126ba97SEli Cohen 450534f4c955SGuy Levi seg = *wqe; 450634f4c955SGuy Levi *wqe += sizeof(*seg); 450734f4c955SGuy Levi offset = sizeof(*seg); 450834f4c955SGuy Levi 4509e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 451034f4c955SGuy Levi size_t len = wr->sg_list[i].length; 451134f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 451234f4c955SGuy Levi 4513e126ba97SEli Cohen inl += len; 4514e126ba97SEli Cohen 4515e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4516e126ba97SEli Cohen return -ENOMEM; 4517e126ba97SEli Cohen 451834f4c955SGuy Levi while (likely(len)) { 451934f4c955SGuy Levi size_t leftlen; 452034f4c955SGuy Levi size_t copysz; 452134f4c955SGuy Levi 452234f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 452334f4c955SGuy Levi *wqe_sz + (offset >> 4), 452434f4c955SGuy Levi cur_edge); 452534f4c955SGuy Levi 452634f4c955SGuy Levi leftlen = *cur_edge - *wqe; 452734f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 452834f4c955SGuy Levi 452934f4c955SGuy Levi memcpy(*wqe, addr, copysz); 453034f4c955SGuy Levi len -= copysz; 453134f4c955SGuy Levi addr += copysz; 453234f4c955SGuy Levi *wqe += copysz; 453334f4c955SGuy Levi offset += copysz; 4534e126ba97SEli Cohen } 4535e126ba97SEli Cohen } 4536e126ba97SEli Cohen 4537e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4538e126ba97SEli Cohen 453934f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4540e126ba97SEli Cohen 4541e126ba97SEli Cohen return 0; 4542e126ba97SEli Cohen } 4543e126ba97SEli Cohen 4544e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4545e6631814SSagi Grimberg { 4546e6631814SSagi Grimberg switch (type) { 4547e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4548e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4549e6631814SSagi Grimberg default: 4550e6631814SSagi Grimberg return 0; 4551e6631814SSagi Grimberg } 4552e6631814SSagi Grimberg } 4553e6631814SSagi Grimberg 4554e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4555e6631814SSagi Grimberg { 4556e6631814SSagi Grimberg switch (block_size) { 4557e6631814SSagi Grimberg case 512: return 0x1; 4558e6631814SSagi Grimberg case 520: return 0x2; 4559e6631814SSagi Grimberg case 4096: return 0x3; 4560e6631814SSagi Grimberg case 4160: return 0x4; 4561e6631814SSagi Grimberg case 1073741824: return 0x5; 4562e6631814SSagi Grimberg default: return 0; 4563e6631814SSagi Grimberg } 4564e6631814SSagi Grimberg } 4565e6631814SSagi Grimberg 456678eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4567142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4568e6631814SSagi Grimberg { 4569142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4570142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4571142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4572142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4573142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4574142537f4SSagi Grimberg /* repeating block */ 4575142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4576142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4577142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4578e6631814SSagi Grimberg 457978eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 458078eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4581e6631814SSagi Grimberg 458278eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 458378eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 458478eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 458578eda2bbSSagi Grimberg else 458678eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4587e6631814SSagi Grimberg } 4588e6631814SSagi Grimberg 458978eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 459078eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4591e6631814SSagi Grimberg } 4592e6631814SSagi Grimberg 4593e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4594e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4595e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4596e6631814SSagi Grimberg { 4597e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4598e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4599e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4600e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4601e6631814SSagi Grimberg 4602c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4603e6631814SSagi Grimberg 4604142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4605142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4606e6631814SSagi Grimberg /* Input domain check byte mask */ 4607e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 460878eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 460978eda2bbSSagi Grimberg 461078eda2bbSSagi Grimberg /* Memory domain */ 461178eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 461278eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 461378eda2bbSSagi Grimberg break; 461478eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 461578eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 461678eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 461778eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 461878eda2bbSSagi Grimberg break; 461978eda2bbSSagi Grimberg default: 462078eda2bbSSagi Grimberg return -EINVAL; 462178eda2bbSSagi Grimberg } 462278eda2bbSSagi Grimberg 462378eda2bbSSagi Grimberg /* Wire domain */ 462478eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 462578eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 462678eda2bbSSagi Grimberg break; 462778eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4628e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 462978eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4630e6631814SSagi Grimberg /* Same block structure */ 4631142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4632e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4633fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4634c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4635fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4636c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4637fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4638e6631814SSagi Grimberg } else 4639e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4640e6631814SSagi Grimberg 4641142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 464278eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4643e6631814SSagi Grimberg break; 4644e6631814SSagi Grimberg default: 4645e6631814SSagi Grimberg return -EINVAL; 4646e6631814SSagi Grimberg } 4647e6631814SSagi Grimberg 4648e6631814SSagi Grimberg return 0; 4649e6631814SSagi Grimberg } 4650e6631814SSagi Grimberg 465138ca87c6SMax Gurtovoy static int set_sig_data_segment(const struct ib_send_wr *send_wr, 465238ca87c6SMax Gurtovoy struct ib_mr *sig_mr, 465338ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs, 465438ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 465538ca87c6SMax Gurtovoy void **cur_edge) 4656e6631814SSagi Grimberg { 4657e6631814SSagi Grimberg struct mlx5_bsf *bsf; 465838ca87c6SMax Gurtovoy u32 data_len; 465938ca87c6SMax Gurtovoy u32 data_key; 466038ca87c6SMax Gurtovoy u64 data_va; 466138ca87c6SMax Gurtovoy u32 prot_len = 0; 466238ca87c6SMax Gurtovoy u32 prot_key = 0; 466338ca87c6SMax Gurtovoy u64 prot_va = 0; 466438ca87c6SMax Gurtovoy bool prot = false; 4665e6631814SSagi Grimberg int ret; 4666e6631814SSagi Grimberg int wqe_size; 466738ca87c6SMax Gurtovoy struct mlx5_ib_mr *mr = to_mmr(sig_mr); 466838ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = mr->pi_mr; 466938ca87c6SMax Gurtovoy 467038ca87c6SMax Gurtovoy data_len = pi_mr->data_length; 467138ca87c6SMax Gurtovoy data_key = pi_mr->ibmr.lkey; 46722563e2f3SMax Gurtovoy data_va = pi_mr->data_iova; 467338ca87c6SMax Gurtovoy if (pi_mr->meta_ndescs) { 467438ca87c6SMax Gurtovoy prot_len = pi_mr->meta_length; 467538ca87c6SMax Gurtovoy prot_key = pi_mr->ibmr.lkey; 4676de0ae958SIsrael Rukshin prot_va = pi_mr->pi_iova; 467738ca87c6SMax Gurtovoy prot = true; 467838ca87c6SMax Gurtovoy } 467938ca87c6SMax Gurtovoy 468038ca87c6SMax Gurtovoy if (!prot || (data_key == prot_key && data_va == prot_va && 468138ca87c6SMax Gurtovoy data_len == prot_len)) { 4682e6631814SSagi Grimberg /** 4683e6631814SSagi Grimberg * Source domain doesn't contain signature information 46845c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4685e6631814SSagi Grimberg * So need construct: 4686e6631814SSagi Grimberg * ------------------ 4687e6631814SSagi Grimberg * | data_klm | 4688e6631814SSagi Grimberg * ------------------ 4689e6631814SSagi Grimberg * | BSF | 4690e6631814SSagi Grimberg * ------------------ 4691e6631814SSagi Grimberg **/ 4692e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4693e6631814SSagi Grimberg 4694e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4695e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4696e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4697e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4698e6631814SSagi Grimberg } else { 4699e6631814SSagi Grimberg /** 4700e6631814SSagi Grimberg * Source domain contains signature information 4701e6631814SSagi Grimberg * So need construct a strided block format: 4702e6631814SSagi Grimberg * --------------------------- 4703e6631814SSagi Grimberg * | stride_block_ctrl | 4704e6631814SSagi Grimberg * --------------------------- 4705e6631814SSagi Grimberg * | data_klm | 4706e6631814SSagi Grimberg * --------------------------- 4707e6631814SSagi Grimberg * | prot_klm | 4708e6631814SSagi Grimberg * --------------------------- 4709e6631814SSagi Grimberg * | BSF | 4710e6631814SSagi Grimberg * --------------------------- 4711e6631814SSagi Grimberg **/ 4712e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4713e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4714e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4715e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4716e6631814SSagi Grimberg int prot_size; 4717e6631814SSagi Grimberg 4718e6631814SSagi Grimberg sblock_ctrl = *seg; 4719e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4720e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4721e6631814SSagi Grimberg 4722e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4723e6631814SSagi Grimberg if (!prot_size) { 4724e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4725e6631814SSagi Grimberg return -EINVAL; 4726e6631814SSagi Grimberg } 4727e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4728e6631814SSagi Grimberg prot_size); 4729e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4730e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4731e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4732e6631814SSagi Grimberg 4733e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4734e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4735e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 47365c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 47375c273b16SSagi Grimberg 4738e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4739e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4740e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4741e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 47425c273b16SSagi Grimberg 4743e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4744e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4745e6631814SSagi Grimberg } 4746e6631814SSagi Grimberg 4747e6631814SSagi Grimberg *seg += wqe_size; 4748e6631814SSagi Grimberg *size += wqe_size / 16; 474934f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4750e6631814SSagi Grimberg 4751e6631814SSagi Grimberg bsf = *seg; 4752e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4753e6631814SSagi Grimberg if (ret) 4754e6631814SSagi Grimberg return -EINVAL; 4755e6631814SSagi Grimberg 4756e6631814SSagi Grimberg *seg += sizeof(*bsf); 4757e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 475834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4759e6631814SSagi Grimberg 4760e6631814SSagi Grimberg return 0; 4761e6631814SSagi Grimberg } 4762e6631814SSagi Grimberg 4763e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 476422465bbaSMax Gurtovoy struct ib_mr *sig_mr, int access_flags, 476522465bbaSMax Gurtovoy u32 size, u32 length, u32 pdn) 4766e6631814SSagi Grimberg { 4767e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4768d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4769e6631814SSagi Grimberg 4770e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4771e6631814SSagi Grimberg 477222465bbaSMax Gurtovoy seg->flags = get_umr_flags(access_flags) | MLX5_MKC_ACCESS_MODE_KLMS; 4773e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4774d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4775e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4776e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 477731616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4778e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4779e6631814SSagi Grimberg } 4780e6631814SSagi Grimberg 4781e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 478231616255SArtemy Kovalyov u32 size) 4783e6631814SSagi Grimberg { 4784e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4785e6631814SSagi Grimberg 4786e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 478731616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4788e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4789e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4790e6631814SSagi Grimberg } 4791e6631814SSagi Grimberg 479238ca87c6SMax Gurtovoy static int set_pi_umr_wr(const struct ib_send_wr *send_wr, 479338ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 479438ca87c6SMax Gurtovoy void **cur_edge) 479538ca87c6SMax Gurtovoy { 479638ca87c6SMax Gurtovoy const struct ib_reg_wr *wr = reg_wr(send_wr); 479738ca87c6SMax Gurtovoy struct mlx5_ib_mr *sig_mr = to_mmr(wr->mr); 479838ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = sig_mr->pi_mr; 479938ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs = sig_mr->ibmr.sig_attrs; 480038ca87c6SMax Gurtovoy u32 pdn = get_pd(qp)->pdn; 480138ca87c6SMax Gurtovoy u32 xlt_size; 480238ca87c6SMax Gurtovoy int region_len, ret; 480338ca87c6SMax Gurtovoy 480438ca87c6SMax Gurtovoy if (unlikely(send_wr->num_sge != 0) || 480538ca87c6SMax Gurtovoy unlikely(wr->access & IB_ACCESS_REMOTE_ATOMIC) || 4806185eddc4SMax Gurtovoy unlikely(!sig_mr->sig) || unlikely(!qp->ibqp.integrity_en) || 480738ca87c6SMax Gurtovoy unlikely(!sig_mr->sig->sig_status_checked)) 480838ca87c6SMax Gurtovoy return -EINVAL; 480938ca87c6SMax Gurtovoy 481038ca87c6SMax Gurtovoy /* length of the protected region, data + protection */ 481138ca87c6SMax Gurtovoy region_len = pi_mr->ibmr.length; 481238ca87c6SMax Gurtovoy 481338ca87c6SMax Gurtovoy /** 481438ca87c6SMax Gurtovoy * KLM octoword size - if protection was provided 481538ca87c6SMax Gurtovoy * then we use strided block format (3 octowords), 481638ca87c6SMax Gurtovoy * else we use single KLM (1 octoword) 481738ca87c6SMax Gurtovoy **/ 481838ca87c6SMax Gurtovoy if (sig_attrs->mem.sig_type != IB_SIG_TYPE_NONE) 481938ca87c6SMax Gurtovoy xlt_size = 0x30; 482038ca87c6SMax Gurtovoy else 482138ca87c6SMax Gurtovoy xlt_size = sizeof(struct mlx5_klm); 482238ca87c6SMax Gurtovoy 482338ca87c6SMax Gurtovoy set_sig_umr_segment(*seg, xlt_size); 482438ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 482538ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 482638ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 482738ca87c6SMax Gurtovoy 482838ca87c6SMax Gurtovoy set_sig_mkey_segment(*seg, wr->mr, wr->access, xlt_size, region_len, 482938ca87c6SMax Gurtovoy pdn); 483038ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_mkey_seg); 483138ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_mkey_seg) / 16; 483238ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 483338ca87c6SMax Gurtovoy 483438ca87c6SMax Gurtovoy ret = set_sig_data_segment(send_wr, wr->mr, sig_attrs, qp, seg, size, 483538ca87c6SMax Gurtovoy cur_edge); 483638ca87c6SMax Gurtovoy if (ret) 483738ca87c6SMax Gurtovoy return ret; 483838ca87c6SMax Gurtovoy 483938ca87c6SMax Gurtovoy sig_mr->sig->sig_status_checked = false; 484038ca87c6SMax Gurtovoy return 0; 484138ca87c6SMax Gurtovoy } 4842e6631814SSagi Grimberg 4843e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4844e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4845e6631814SSagi Grimberg { 4846e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4847e6631814SSagi Grimberg 4848e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4849e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4850e6631814SSagi Grimberg switch (domain->sig_type) { 485178eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 485278eda2bbSSagi Grimberg break; 4853e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4854e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4855e6631814SSagi Grimberg domain->sig.dif.app_tag); 4856e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4857e6631814SSagi Grimberg break; 4858e6631814SSagi Grimberg default: 485912bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 486012bbf1eaSLeon Romanovsky domain->sig_type); 486112bbf1eaSLeon Romanovsky return -EINVAL; 4862e6631814SSagi Grimberg } 4863e6631814SSagi Grimberg 486478eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 486578eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 486678eda2bbSSagi Grimberg 4867e6631814SSagi Grimberg return 0; 4868e6631814SSagi Grimberg } 4869e6631814SSagi Grimberg 48708a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4871f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 48729ac7c4bcSMax Gurtovoy void **seg, int *size, void **cur_edge, 48739ac7c4bcSMax Gurtovoy bool check_not_free) 48748a187ee5SSagi Grimberg { 48758a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 48768a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 4877841b07f9SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(pd->ibpd.device); 487838ca87c6SMax Gurtovoy int mr_list_size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 4879064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 4880841b07f9SMoni Shoua bool atomic = wr->access & IB_ACCESS_REMOTE_ATOMIC; 48819ac7c4bcSMax Gurtovoy u8 flags = 0; 48828a187ee5SSagi Grimberg 4883d6de0bb1SMichael Guralnik if (!mlx5_ib_can_use_umr(dev, atomic, wr->access)) { 4884841b07f9SMoni Shoua mlx5_ib_warn(to_mdev(qp->ibqp.device), 4885841b07f9SMoni Shoua "Fast update of %s for MR is disabled\n", 4886841b07f9SMoni Shoua (MLX5_CAP_GEN(dev->mdev, 4887841b07f9SMoni Shoua umr_modify_entity_size_disabled)) ? 4888841b07f9SMoni Shoua "entity size" : 4889841b07f9SMoni Shoua "atomic access"); 4890841b07f9SMoni Shoua return -EINVAL; 4891841b07f9SMoni Shoua } 4892841b07f9SMoni Shoua 48938a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 48948a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 48958a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 48968a187ee5SSagi Grimberg return -EINVAL; 48978a187ee5SSagi Grimberg } 48988a187ee5SSagi Grimberg 48999ac7c4bcSMax Gurtovoy if (check_not_free) 49009ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_CHECK_NOT_FREE; 49019ac7c4bcSMax Gurtovoy if (umr_inline) 49029ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_INLINE; 49039ac7c4bcSMax Gurtovoy 4904841b07f9SMoni Shoua set_reg_umr_seg(*seg, mr, flags, atomic); 49058a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 49068a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 490734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49088a187ee5SSagi Grimberg 49098a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 49108a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 49118a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 491234f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49138a187ee5SSagi Grimberg 4914064e5262SIdan Burstein if (umr_inline) { 491534f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 491634f4c955SGuy Levi mr_list_size); 491734f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4918064e5262SIdan Burstein } else { 49198a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 49208a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 49218a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4922064e5262SIdan Burstein } 49238a187ee5SSagi Grimberg return 0; 49248a187ee5SSagi Grimberg } 49258a187ee5SSagi Grimberg 492634f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 492734f4c955SGuy Levi void **cur_edge) 4928e126ba97SEli Cohen { 4929dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4930e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4931e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 493234f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4933dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4934e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4935e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 493634f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4937e126ba97SEli Cohen } 4938e126ba97SEli Cohen 493934f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4940e126ba97SEli Cohen { 4941e126ba97SEli Cohen __be32 *p = NULL; 4942e126ba97SEli Cohen int i, j; 4943e126ba97SEli Cohen 494434f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4945e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4946e126ba97SEli Cohen if ((i & 0xf) == 0) { 49471e5887b7SArtemy Kovalyov p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); 494834f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4949e126ba97SEli Cohen j = 0; 49501e5887b7SArtemy Kovalyov idx = (idx + 1) & (qp->sq.wqe_cnt - 1); 4951e126ba97SEli Cohen } 4952e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4953e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4954e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4955e126ba97SEli Cohen } 4956e126ba97SEli Cohen } 4957e126ba97SEli Cohen 49587bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49596e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 496034f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 496134f4c955SGuy Levi int *size, void **cur_edge, int nreq, 496234f4c955SGuy Levi bool send_signaled, bool solicited) 49636e5eadacSSagi Grimberg { 4964b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4965b2a232d2SLeon Romanovsky return -ENOMEM; 49666e5eadacSSagi Grimberg 49676e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 496834f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 49696e5eadacSSagi Grimberg *ctrl = *seg; 49706e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 49716e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 49726e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 49737bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 49747bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 49756e5eadacSSagi Grimberg 49766e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 49776e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 497834f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 49796e5eadacSSagi Grimberg 4980b2a232d2SLeon Romanovsky return 0; 49816e5eadacSSagi Grimberg } 49826e5eadacSSagi Grimberg 49837bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49847bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 49857bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 498634f4c955SGuy Levi int *size, void **cur_edge, int nreq) 49877bb1fafcSBart Van Assche { 498834f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 49897bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 49907bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 49917bb1fafcSBart Van Assche } 49927bb1fafcSBart Van Assche 49936e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 49946e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 499534f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 499634f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 499734f4c955SGuy Levi u32 mlx5_opcode) 49986e5eadacSSagi Grimberg { 49996e5eadacSSagi Grimberg u8 opmod = 0; 50006e5eadacSSagi Grimberg 50016e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 50026e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 500319098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 50046e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 50056e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 50066e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 50076e5eadacSSagi Grimberg 50086e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 50096e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 50106e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 50116e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 50126e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 501334f4c955SGuy Levi 501434f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 501534f4c955SGuy Levi * construction, into SQ's cache. 501634f4c955SGuy Levi */ 501734f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 501834f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 501934f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 502034f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 502134f4c955SGuy Levi cur_edge; 50226e5eadacSSagi Grimberg } 50236e5eadacSSagi Grimberg 5024d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5025d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 5026e126ba97SEli Cohen { 5027e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 5028e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 502989ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 503038ca87c6SMax Gurtovoy struct ib_reg_wr reg_pi_wr; 5031d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 5032e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 503338ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr; 50342563e2f3SMax Gurtovoy struct mlx5_ib_mr pa_pi_mr; 503538ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs; 5036e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 5037d16e91daSHaggai Eran struct mlx5_bf *bf; 503834f4c955SGuy Levi void *cur_edge; 5039e126ba97SEli Cohen int uninitialized_var(size); 5040e126ba97SEli Cohen unsigned long flags; 5041e126ba97SEli Cohen unsigned idx; 5042e126ba97SEli Cohen int err = 0; 5043e126ba97SEli Cohen int num_sge; 5044e126ba97SEli Cohen void *seg; 5045e126ba97SEli Cohen int nreq; 5046e126ba97SEli Cohen int i; 5047e126ba97SEli Cohen u8 next_fence = 0; 5048e126ba97SEli Cohen u8 fence; 5049e126ba97SEli Cohen 50506c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 50516c75520fSParav Pandit !drain)) { 50526c75520fSParav Pandit *bad_wr = wr; 50536c75520fSParav Pandit return -EIO; 50546c75520fSParav Pandit } 50556c75520fSParav Pandit 5056d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5057d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 5058d16e91daSHaggai Eran 5059d16e91daSHaggai Eran qp = to_mqp(ibqp); 50605fe9dec0SEli Cohen bf = &qp->bf; 5061d16e91daSHaggai Eran 5062e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 5063e126ba97SEli Cohen 5064e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5065a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 5066e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5067e126ba97SEli Cohen err = -EINVAL; 5068e126ba97SEli Cohen *bad_wr = wr; 5069e126ba97SEli Cohen goto out; 5070e126ba97SEli Cohen } 5071e126ba97SEli Cohen 5072e126ba97SEli Cohen num_sge = wr->num_sge; 5073e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 5074e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 507524be409bSChuck Lever err = -EINVAL; 5076e126ba97SEli Cohen *bad_wr = wr; 5077e126ba97SEli Cohen goto out; 5078e126ba97SEli Cohen } 5079e126ba97SEli Cohen 508034f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 508134f4c955SGuy Levi nreq); 50826e5eadacSSagi Grimberg if (err) { 50836e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 50846e5eadacSSagi Grimberg err = -ENOMEM; 50856e5eadacSSagi Grimberg *bad_wr = wr; 50866e5eadacSSagi Grimberg goto out; 50876e5eadacSSagi Grimberg } 5088e126ba97SEli Cohen 508938ca87c6SMax Gurtovoy if (wr->opcode == IB_WR_REG_MR || 509038ca87c6SMax Gurtovoy wr->opcode == IB_WR_REG_MR_INTEGRITY) { 50916e8484c5SMax Gurtovoy fence = dev->umr_fence; 50926e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 5093074fca3aSMajd Dibbiny } else { 5094074fca3aSMajd Dibbiny if (wr->send_flags & IB_SEND_FENCE) { 50956e8484c5SMax Gurtovoy if (qp->next_fence) 50966e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 50976e8484c5SMax Gurtovoy else 50986e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 50996e8484c5SMax Gurtovoy } else { 51006e8484c5SMax Gurtovoy fence = qp->next_fence; 51016e8484c5SMax Gurtovoy } 5102074fca3aSMajd Dibbiny } 51036e8484c5SMax Gurtovoy 5104e126ba97SEli Cohen switch (ibqp->qp_type) { 5105e126ba97SEli Cohen case IB_QPT_XRC_INI: 5106e126ba97SEli Cohen xrc = seg; 5107e126ba97SEli Cohen seg += sizeof(*xrc); 5108e126ba97SEli Cohen size += sizeof(*xrc) / 16; 5109e126ba97SEli Cohen /* fall through */ 5110e126ba97SEli Cohen case IB_QPT_RC: 5111e126ba97SEli Cohen switch (wr->opcode) { 5112e126ba97SEli Cohen case IB_WR_RDMA_READ: 5113e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5114e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5115e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5116e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5117e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5118e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5119e126ba97SEli Cohen break; 5120e126ba97SEli Cohen 5121e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 5122e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 5123e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 512481bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 512581bea28fSEli Cohen err = -ENOSYS; 512681bea28fSEli Cohen *bad_wr = wr; 512781bea28fSEli Cohen goto out; 5128e126ba97SEli Cohen 5129e126ba97SEli Cohen case IB_WR_LOCAL_INV: 5130e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 5131e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 513234f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 5133e126ba97SEli Cohen num_sge = 0; 5134e126ba97SEli Cohen break; 5135e126ba97SEli Cohen 51368a187ee5SSagi Grimberg case IB_WR_REG_MR: 51378a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 51388a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 513934f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 51409ac7c4bcSMax Gurtovoy &cur_edge, true); 51418a187ee5SSagi Grimberg if (err) { 51428a187ee5SSagi Grimberg *bad_wr = wr; 51438a187ee5SSagi Grimberg goto out; 51448a187ee5SSagi Grimberg } 51458a187ee5SSagi Grimberg num_sge = 0; 51468a187ee5SSagi Grimberg break; 51478a187ee5SSagi Grimberg 514838ca87c6SMax Gurtovoy case IB_WR_REG_MR_INTEGRITY: 51492563e2f3SMax Gurtovoy qp->sq.wr_data[idx] = IB_WR_REG_MR_INTEGRITY; 515038ca87c6SMax Gurtovoy 515138ca87c6SMax Gurtovoy mr = to_mmr(reg_wr(wr)->mr); 515238ca87c6SMax Gurtovoy pi_mr = mr->pi_mr; 515338ca87c6SMax Gurtovoy 51542563e2f3SMax Gurtovoy if (pi_mr) { 51552563e2f3SMax Gurtovoy memset(®_pi_wr, 0, 51562563e2f3SMax Gurtovoy sizeof(struct ib_reg_wr)); 51572563e2f3SMax Gurtovoy 515838ca87c6SMax Gurtovoy reg_pi_wr.mr = &pi_mr->ibmr; 515938ca87c6SMax Gurtovoy reg_pi_wr.access = reg_wr(wr)->access; 516038ca87c6SMax Gurtovoy reg_pi_wr.key = pi_mr->ibmr.rkey; 516138ca87c6SMax Gurtovoy 516238ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(reg_pi_wr.key); 51632563e2f3SMax Gurtovoy /* UMR for data + prot registration */ 51642563e2f3SMax Gurtovoy err = set_reg_wr(qp, ®_pi_wr, &seg, 51652563e2f3SMax Gurtovoy &size, &cur_edge, 51662563e2f3SMax Gurtovoy false); 516738ca87c6SMax Gurtovoy if (err) { 516838ca87c6SMax Gurtovoy *bad_wr = wr; 516938ca87c6SMax Gurtovoy goto out; 517038ca87c6SMax Gurtovoy } 51712563e2f3SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, 51722563e2f3SMax Gurtovoy cur_edge, idx, wr->wr_id, 51732563e2f3SMax Gurtovoy nreq, fence, 517438ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 517538ca87c6SMax Gurtovoy 51762563e2f3SMax Gurtovoy err = begin_wqe(qp, &seg, &ctrl, wr, 51772563e2f3SMax Gurtovoy &idx, &size, &cur_edge, 51782563e2f3SMax Gurtovoy nreq); 517938ca87c6SMax Gurtovoy if (err) { 518038ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 518138ca87c6SMax Gurtovoy err = -ENOMEM; 518238ca87c6SMax Gurtovoy *bad_wr = wr; 518338ca87c6SMax Gurtovoy goto out; 518438ca87c6SMax Gurtovoy } 51852563e2f3SMax Gurtovoy } else { 51862563e2f3SMax Gurtovoy memset(&pa_pi_mr, 0, 51872563e2f3SMax Gurtovoy sizeof(struct mlx5_ib_mr)); 51882563e2f3SMax Gurtovoy /* No UMR, use local_dma_lkey */ 51892563e2f3SMax Gurtovoy pa_pi_mr.ibmr.lkey = 51902563e2f3SMax Gurtovoy mr->ibmr.pd->local_dma_lkey; 51912563e2f3SMax Gurtovoy 51922563e2f3SMax Gurtovoy pa_pi_mr.ndescs = mr->ndescs; 51932563e2f3SMax Gurtovoy pa_pi_mr.data_length = mr->data_length; 51942563e2f3SMax Gurtovoy pa_pi_mr.data_iova = mr->data_iova; 51952563e2f3SMax Gurtovoy if (mr->meta_ndescs) { 51962563e2f3SMax Gurtovoy pa_pi_mr.meta_ndescs = 51972563e2f3SMax Gurtovoy mr->meta_ndescs; 51982563e2f3SMax Gurtovoy pa_pi_mr.meta_length = 51992563e2f3SMax Gurtovoy mr->meta_length; 52002563e2f3SMax Gurtovoy pa_pi_mr.pi_iova = mr->pi_iova; 52012563e2f3SMax Gurtovoy } 52022563e2f3SMax Gurtovoy 52032563e2f3SMax Gurtovoy pa_pi_mr.ibmr.length = mr->ibmr.length; 52042563e2f3SMax Gurtovoy mr->pi_mr = &pa_pi_mr; 52052563e2f3SMax Gurtovoy } 520638ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 520738ca87c6SMax Gurtovoy /* UMR for sig MR */ 520838ca87c6SMax Gurtovoy err = set_pi_umr_wr(wr, qp, &seg, &size, 520938ca87c6SMax Gurtovoy &cur_edge); 521038ca87c6SMax Gurtovoy if (err) { 521138ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 521238ca87c6SMax Gurtovoy *bad_wr = wr; 521338ca87c6SMax Gurtovoy goto out; 521438ca87c6SMax Gurtovoy } 521538ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 521638ca87c6SMax Gurtovoy wr->wr_id, nreq, fence, 521738ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 521838ca87c6SMax Gurtovoy 521938ca87c6SMax Gurtovoy /* 522038ca87c6SMax Gurtovoy * SET_PSV WQEs are not signaled and solicited 522138ca87c6SMax Gurtovoy * on error 522238ca87c6SMax Gurtovoy */ 522338ca87c6SMax Gurtovoy sig_attrs = mr->ibmr.sig_attrs; 522438ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 522538ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 522638ca87c6SMax Gurtovoy true); 522738ca87c6SMax Gurtovoy if (err) { 522838ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 522938ca87c6SMax Gurtovoy err = -ENOMEM; 523038ca87c6SMax Gurtovoy *bad_wr = wr; 523138ca87c6SMax Gurtovoy goto out; 523238ca87c6SMax Gurtovoy } 523338ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->mem, 523438ca87c6SMax Gurtovoy mr->sig->psv_memory.psv_idx, 523538ca87c6SMax Gurtovoy &seg, &size); 523638ca87c6SMax Gurtovoy if (err) { 523738ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 523838ca87c6SMax Gurtovoy *bad_wr = wr; 523938ca87c6SMax Gurtovoy goto out; 524038ca87c6SMax Gurtovoy } 524138ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 524238ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 524338ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 524438ca87c6SMax Gurtovoy 524538ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 524638ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 524738ca87c6SMax Gurtovoy true); 524838ca87c6SMax Gurtovoy if (err) { 524938ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 525038ca87c6SMax Gurtovoy err = -ENOMEM; 525138ca87c6SMax Gurtovoy *bad_wr = wr; 525238ca87c6SMax Gurtovoy goto out; 525338ca87c6SMax Gurtovoy } 525438ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->wire, 525538ca87c6SMax Gurtovoy mr->sig->psv_wire.psv_idx, 525638ca87c6SMax Gurtovoy &seg, &size); 525738ca87c6SMax Gurtovoy if (err) { 525838ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 525938ca87c6SMax Gurtovoy *bad_wr = wr; 526038ca87c6SMax Gurtovoy goto out; 526138ca87c6SMax Gurtovoy } 526238ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 526338ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 526438ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 526538ca87c6SMax Gurtovoy 526638ca87c6SMax Gurtovoy qp->next_fence = 526738ca87c6SMax Gurtovoy MLX5_FENCE_MODE_INITIATOR_SMALL; 526838ca87c6SMax Gurtovoy num_sge = 0; 526938ca87c6SMax Gurtovoy goto skip_psv; 527038ca87c6SMax Gurtovoy 5271e126ba97SEli Cohen default: 5272e126ba97SEli Cohen break; 5273e126ba97SEli Cohen } 5274e126ba97SEli Cohen break; 5275e126ba97SEli Cohen 5276e126ba97SEli Cohen case IB_QPT_UC: 5277e126ba97SEli Cohen switch (wr->opcode) { 5278e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5279e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5280e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5281e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5282e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5283e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5284e126ba97SEli Cohen break; 5285e126ba97SEli Cohen 5286e126ba97SEli Cohen default: 5287e126ba97SEli Cohen break; 5288e126ba97SEli Cohen } 5289e126ba97SEli Cohen break; 5290e126ba97SEli Cohen 5291e126ba97SEli Cohen case IB_QPT_SMI: 52921e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 52931e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 52941e0e50b6SMaor Gottlieb err = -EPERM; 52951e0e50b6SMaor Gottlieb *bad_wr = wr; 52961e0e50b6SMaor Gottlieb goto out; 52971e0e50b6SMaor Gottlieb } 5298f6b1ee34SBart Van Assche /* fall through */ 5299d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 5300e126ba97SEli Cohen set_datagram_seg(seg, wr); 5301e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 5302e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 530334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 530434f4c955SGuy Levi 5305e126ba97SEli Cohen break; 5306f0313965SErez Shitrit case IB_QPT_UD: 5307f0313965SErez Shitrit set_datagram_seg(seg, wr); 5308f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 5309f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 531034f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5311f0313965SErez Shitrit 5312f0313965SErez Shitrit /* handle qp that supports ud offload */ 5313f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 5314f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 5315f0313965SErez Shitrit 5316f0313965SErez Shitrit pad = seg; 5317f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 5318f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 5319f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 532034f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 532134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 532234f4c955SGuy Levi &cur_edge); 5323f0313965SErez Shitrit } 5324f0313965SErez Shitrit break; 5325e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 5326e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 5327e126ba97SEli Cohen err = -EINVAL; 5328e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 5329e126ba97SEli Cohen goto out; 5330e126ba97SEli Cohen } 5331e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 5332e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 5333c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 5334c8d75a98SMajd Dibbiny if (unlikely(err)) 5335c8d75a98SMajd Dibbiny goto out; 5336e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 5337e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 533834f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5339e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 5340e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 5341e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 534234f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5343e126ba97SEli Cohen break; 5344e126ba97SEli Cohen 5345e126ba97SEli Cohen default: 5346e126ba97SEli Cohen break; 5347e126ba97SEli Cohen } 5348e126ba97SEli Cohen 5349e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 535034f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 5351e126ba97SEli Cohen if (unlikely(err)) { 5352e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5353e126ba97SEli Cohen *bad_wr = wr; 5354e126ba97SEli Cohen goto out; 5355e126ba97SEli Cohen } 5356e126ba97SEli Cohen } else { 5357e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 535834f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 535934f4c955SGuy Levi &cur_edge); 5360e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 536134f4c955SGuy Levi set_data_ptr_seg 536234f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 536334f4c955SGuy Levi wr->sg_list + i); 5364e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 536534f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 5366e126ba97SEli Cohen } 5367e126ba97SEli Cohen } 5368e126ba97SEli Cohen } 5369e126ba97SEli Cohen 53706e8484c5SMax Gurtovoy qp->next_fence = next_fence; 537134f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 537234f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 5373e6631814SSagi Grimberg skip_psv: 5374e126ba97SEli Cohen if (0) 5375e126ba97SEli Cohen dump_wqe(qp, idx, size); 5376e126ba97SEli Cohen } 5377e126ba97SEli Cohen 5378e126ba97SEli Cohen out: 5379e126ba97SEli Cohen if (likely(nreq)) { 5380e126ba97SEli Cohen qp->sq.head += nreq; 5381e126ba97SEli Cohen 5382e126ba97SEli Cohen /* Make sure that descriptors are written before 5383e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 5384e126ba97SEli Cohen */ 5385e126ba97SEli Cohen wmb(); 5386e126ba97SEli Cohen 5387e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5388e126ba97SEli Cohen 5389ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5390ada388f7SEli Cohen * we hit doorbell */ 5391ada388f7SEli Cohen wmb(); 5392ada388f7SEli Cohen 5393bbf29f61SMaxim Mikityanskiy mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); 5394e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5395e126ba97SEli Cohen * and reach the HCA out of order. 5396e126ba97SEli Cohen */ 5397e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5398e126ba97SEli Cohen } 5399e126ba97SEli Cohen 5400e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5401e126ba97SEli Cohen 5402e126ba97SEli Cohen return err; 5403e126ba97SEli Cohen } 5404e126ba97SEli Cohen 5405d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5406d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5407d0e84c0aSYishai Hadas { 5408d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5409d0e84c0aSYishai Hadas } 5410d0e84c0aSYishai Hadas 5411e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5412e126ba97SEli Cohen { 5413e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5414e126ba97SEli Cohen } 5415e126ba97SEli Cohen 5416d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5417d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5418e126ba97SEli Cohen { 5419e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5420e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5421e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 542289ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 542389ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5424e126ba97SEli Cohen unsigned long flags; 5425e126ba97SEli Cohen int err = 0; 5426e126ba97SEli Cohen int nreq; 5427e126ba97SEli Cohen int ind; 5428e126ba97SEli Cohen int i; 5429e126ba97SEli Cohen 54306c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 54316c75520fSParav Pandit !drain)) { 54326c75520fSParav Pandit *bad_wr = wr; 54336c75520fSParav Pandit return -EIO; 54346c75520fSParav Pandit } 54356c75520fSParav Pandit 5436d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5437d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5438d16e91daSHaggai Eran 5439e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5440e126ba97SEli Cohen 5441e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5442e126ba97SEli Cohen 5443e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5444e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5445e126ba97SEli Cohen err = -ENOMEM; 5446e126ba97SEli Cohen *bad_wr = wr; 5447e126ba97SEli Cohen goto out; 5448e126ba97SEli Cohen } 5449e126ba97SEli Cohen 5450e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5451e126ba97SEli Cohen err = -EINVAL; 5452e126ba97SEli Cohen *bad_wr = wr; 5453e126ba97SEli Cohen goto out; 5454e126ba97SEli Cohen } 5455e126ba97SEli Cohen 545634f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5457e126ba97SEli Cohen if (qp->wq_sig) 5458e126ba97SEli Cohen scat++; 5459e126ba97SEli Cohen 5460e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5461e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5462e126ba97SEli Cohen 5463e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5464e126ba97SEli Cohen scat[i].byte_count = 0; 5465e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5466e126ba97SEli Cohen scat[i].addr = 0; 5467e126ba97SEli Cohen } 5468e126ba97SEli Cohen 5469e126ba97SEli Cohen if (qp->wq_sig) { 5470e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5471e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5472e126ba97SEli Cohen } 5473e126ba97SEli Cohen 5474e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5475e126ba97SEli Cohen 5476e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5477e126ba97SEli Cohen } 5478e126ba97SEli Cohen 5479e126ba97SEli Cohen out: 5480e126ba97SEli Cohen if (likely(nreq)) { 5481e126ba97SEli Cohen qp->rq.head += nreq; 5482e126ba97SEli Cohen 5483e126ba97SEli Cohen /* Make sure that descriptors are written before 5484e126ba97SEli Cohen * doorbell record. 5485e126ba97SEli Cohen */ 5486e126ba97SEli Cohen wmb(); 5487e126ba97SEli Cohen 5488e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5489e126ba97SEli Cohen } 5490e126ba97SEli Cohen 5491e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5492e126ba97SEli Cohen 5493e126ba97SEli Cohen return err; 5494e126ba97SEli Cohen } 5495e126ba97SEli Cohen 5496d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5497d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5498d0e84c0aSYishai Hadas { 5499d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5500d0e84c0aSYishai Hadas } 5501d0e84c0aSYishai Hadas 5502e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5503e126ba97SEli Cohen { 5504e126ba97SEli Cohen switch (mlx5_state) { 5505e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5506e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5507e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5508e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5509e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5510e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5511e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5512e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5513e126ba97SEli Cohen default: return -1; 5514e126ba97SEli Cohen } 5515e126ba97SEli Cohen } 5516e126ba97SEli Cohen 5517e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5518e126ba97SEli Cohen { 5519e126ba97SEli Cohen switch (mlx5_mig_state) { 5520e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5521e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5522e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5523e126ba97SEli Cohen default: return -1; 5524e126ba97SEli Cohen } 5525e126ba97SEli Cohen } 5526e126ba97SEli Cohen 5527e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5528e126ba97SEli Cohen { 5529e126ba97SEli Cohen int ib_flags = 0; 5530e126ba97SEli Cohen 5531e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5532e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5533e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5534e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5535e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5536e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5537e126ba97SEli Cohen 5538e126ba97SEli Cohen return ib_flags; 5539e126ba97SEli Cohen } 5540e126ba97SEli Cohen 554138349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5542d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5543e126ba97SEli Cohen struct mlx5_qp_path *path) 5544e126ba97SEli Cohen { 5545e126ba97SEli Cohen 5546d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5547e126ba97SEli Cohen 5548e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5549e126ba97SEli Cohen return; 5550e126ba97SEli Cohen 5551ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5552ae59c3f0SLeon Romanovsky 5553d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5554d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5555e126ba97SEli Cohen 5556d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5557d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5558d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5559d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5560d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5561d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5562d8966fcdSDasaratharaman Chandramouli 5563d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5564d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5565d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5566d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5567d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5568d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5569e126ba97SEli Cohen } 5570e126ba97SEli Cohen } 5571e126ba97SEli Cohen 55726d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 55736d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 55746d2f89dfSmajd@mellanox.com u8 *sq_state) 5575e126ba97SEli Cohen { 55766d2f89dfSmajd@mellanox.com int err; 55776d2f89dfSmajd@mellanox.com 557828160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 55796d2f89dfSmajd@mellanox.com if (err) 55806d2f89dfSmajd@mellanox.com goto out; 55816d2f89dfSmajd@mellanox.com sq->state = *sq_state; 55826d2f89dfSmajd@mellanox.com 55836d2f89dfSmajd@mellanox.com out: 55846d2f89dfSmajd@mellanox.com return err; 55856d2f89dfSmajd@mellanox.com } 55866d2f89dfSmajd@mellanox.com 55876d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 55886d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 55896d2f89dfSmajd@mellanox.com u8 *rq_state) 55906d2f89dfSmajd@mellanox.com { 55916d2f89dfSmajd@mellanox.com void *out; 55926d2f89dfSmajd@mellanox.com void *rqc; 55936d2f89dfSmajd@mellanox.com int inlen; 55946d2f89dfSmajd@mellanox.com int err; 55956d2f89dfSmajd@mellanox.com 55966d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 55971b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 55986d2f89dfSmajd@mellanox.com if (!out) 55996d2f89dfSmajd@mellanox.com return -ENOMEM; 56006d2f89dfSmajd@mellanox.com 56016d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 56026d2f89dfSmajd@mellanox.com if (err) 56036d2f89dfSmajd@mellanox.com goto out; 56046d2f89dfSmajd@mellanox.com 56056d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 56066d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 56076d2f89dfSmajd@mellanox.com rq->state = *rq_state; 56086d2f89dfSmajd@mellanox.com 56096d2f89dfSmajd@mellanox.com out: 56106d2f89dfSmajd@mellanox.com kvfree(out); 56116d2f89dfSmajd@mellanox.com return err; 56126d2f89dfSmajd@mellanox.com } 56136d2f89dfSmajd@mellanox.com 56146d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 56156d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 56166d2f89dfSmajd@mellanox.com { 56176d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 56186d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 56196d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56206d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56216d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 56226d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 56236d2f89dfSmajd@mellanox.com }, 56246d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 56256d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56266d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56276d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 56286d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 56296d2f89dfSmajd@mellanox.com }, 56306d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 56316d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56326d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56336d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 56346d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 56356d2f89dfSmajd@mellanox.com }, 56366d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 56376d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56386d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56396d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 56406d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 56416d2f89dfSmajd@mellanox.com }, 56426d2f89dfSmajd@mellanox.com }; 56436d2f89dfSmajd@mellanox.com 56446d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 56456d2f89dfSmajd@mellanox.com 56466d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 56476d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 56486d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 56496d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 56506d2f89dfSmajd@mellanox.com return -EINVAL; 56516d2f89dfSmajd@mellanox.com } 56526d2f89dfSmajd@mellanox.com 56536d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 56546d2f89dfSmajd@mellanox.com *qp_state = qp->state; 56556d2f89dfSmajd@mellanox.com 56566d2f89dfSmajd@mellanox.com return 0; 56576d2f89dfSmajd@mellanox.com } 56586d2f89dfSmajd@mellanox.com 56596d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 56606d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 56616d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 56626d2f89dfSmajd@mellanox.com { 56636d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 56646d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 56656d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 56666d2f89dfSmajd@mellanox.com int err; 56676d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 56686d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 56696d2f89dfSmajd@mellanox.com 56706d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 56716d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 56726d2f89dfSmajd@mellanox.com if (err) 56736d2f89dfSmajd@mellanox.com return err; 56746d2f89dfSmajd@mellanox.com } 56756d2f89dfSmajd@mellanox.com 56766d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 56776d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 56786d2f89dfSmajd@mellanox.com if (err) 56796d2f89dfSmajd@mellanox.com return err; 56806d2f89dfSmajd@mellanox.com } 56816d2f89dfSmajd@mellanox.com 56826d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 56836d2f89dfSmajd@mellanox.com raw_packet_qp_state); 56846d2f89dfSmajd@mellanox.com } 56856d2f89dfSmajd@mellanox.com 56866d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 56876d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 56886d2f89dfSmajd@mellanox.com { 568909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5690e126ba97SEli Cohen struct mlx5_qp_context *context; 5691e126ba97SEli Cohen int mlx5_state; 569209a7d9ecSSaeed Mahameed u32 *outb; 5693e126ba97SEli Cohen int err = 0; 5694e126ba97SEli Cohen 569509a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 56966d2f89dfSmajd@mellanox.com if (!outb) 56976d2f89dfSmajd@mellanox.com return -ENOMEM; 56986d2f89dfSmajd@mellanox.com 569919098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 570009a7d9ecSSaeed Mahameed outlen); 5701e126ba97SEli Cohen if (err) 57026d2f89dfSmajd@mellanox.com goto out; 5703e126ba97SEli Cohen 570409a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 570509a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 570609a7d9ecSSaeed Mahameed 5707e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5708e126ba97SEli Cohen 5709e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5710e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5711e126ba97SEli Cohen qp_attr->path_mig_state = 5712e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5713e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5714e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5715e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5716e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5717e126ba97SEli Cohen qp_attr->qp_access_flags = 5718e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5719e126ba97SEli Cohen 5720e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 572138349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 572238349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5723d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5724d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5725d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5726d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5727e126ba97SEli Cohen } 5728e126ba97SEli Cohen 5729d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5730e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5731e126ba97SEli Cohen 5732e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5733e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5734e126ba97SEli Cohen 5735e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5736e126ba97SEli Cohen 5737e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5738e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5739e126ba97SEli Cohen qp_attr->min_rnr_timer = 5740e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5741e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5742e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5743e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5744e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 57456d2f89dfSmajd@mellanox.com 57466d2f89dfSmajd@mellanox.com out: 57476d2f89dfSmajd@mellanox.com kfree(outb); 57486d2f89dfSmajd@mellanox.com return err; 57496d2f89dfSmajd@mellanox.com } 57506d2f89dfSmajd@mellanox.com 5751776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5752776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5753776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5754776a3906SMoni Shoua { 5755776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5756776a3906SMoni Shoua u32 *out; 5757776a3906SMoni Shoua u32 access_flags = 0; 5758776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5759776a3906SMoni Shoua void *dctc; 5760776a3906SMoni Shoua int err; 5761776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5762776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5763776a3906SMoni Shoua IB_QP_PORT | 5764776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5765776a3906SMoni Shoua IB_QP_AV | 5766776a3906SMoni Shoua IB_QP_PATH_MTU | 5767776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5768776a3906SMoni Shoua 5769776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5770776a3906SMoni Shoua return -EINVAL; 5771776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5772776a3906SMoni Shoua return -EINVAL; 5773776a3906SMoni Shoua 5774776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5775776a3906SMoni Shoua if (!out) 5776776a3906SMoni Shoua return -ENOMEM; 5777776a3906SMoni Shoua 5778776a3906SMoni Shoua err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); 5779776a3906SMoni Shoua if (err) 5780776a3906SMoni Shoua goto out; 5781776a3906SMoni Shoua 5782776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5783776a3906SMoni Shoua 5784776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5785776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5786776a3906SMoni Shoua 5787776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5788776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5789776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5790776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5791776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5792776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5793776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5794776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5795776a3906SMoni Shoua } 5796776a3906SMoni Shoua 5797776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5798776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5799776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5800776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5801776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5802776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5803776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5804776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5805776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5806776a3906SMoni Shoua } 5807776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5808776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5809776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5810776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5811776a3906SMoni Shoua out: 5812776a3906SMoni Shoua kfree(out); 5813776a3906SMoni Shoua return err; 5814776a3906SMoni Shoua } 5815776a3906SMoni Shoua 58166d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 58176d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 58186d2f89dfSmajd@mellanox.com { 58196d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 58206d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 58216d2f89dfSmajd@mellanox.com int err = 0; 58226d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 58236d2f89dfSmajd@mellanox.com 582428d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 582528d61370SYishai Hadas return -ENOSYS; 582628d61370SYishai Hadas 5827d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5828d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5829d16e91daSHaggai Eran qp_init_attr); 5830d16e91daSHaggai Eran 5831c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5832c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5833c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5834c2e53b2cSYishai Hadas 5835776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5836776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5837776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5838776a3906SMoni Shoua 58396d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 58406d2f89dfSmajd@mellanox.com 5841c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 5842c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 58436d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 58446d2f89dfSmajd@mellanox.com if (err) 58456d2f89dfSmajd@mellanox.com goto out; 58466d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 58476d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 58486d2f89dfSmajd@mellanox.com } else { 58496d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 58506d2f89dfSmajd@mellanox.com if (err) 58516d2f89dfSmajd@mellanox.com goto out; 58526d2f89dfSmajd@mellanox.com } 58536d2f89dfSmajd@mellanox.com 58546d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5855e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5856e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5857e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5858e126ba97SEli Cohen 5859e126ba97SEli Cohen if (!ibqp->uobject) { 58600540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5861e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 58620540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5863e126ba97SEli Cohen } else { 5864e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5865e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5866e126ba97SEli Cohen } 5867e126ba97SEli Cohen 58680540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 58690540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 58700540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 58710540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 58720540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5873e126ba97SEli Cohen 5874e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5875e126ba97SEli Cohen 5876e126ba97SEli Cohen qp_init_attr->create_flags = 0; 5877e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 5878e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5879e126ba97SEli Cohen 5880051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 5881051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 5882051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 5883051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 5884051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 5885051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 5886b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 58873f89b01fSMichael Guralnik qp_init_attr->create_flags |= MLX5_IB_QP_CREATE_SQPN_QP1; 5888051f2630SLeon Romanovsky 5889e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5890e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5891e126ba97SEli Cohen 5892e126ba97SEli Cohen out: 5893e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5894e126ba97SEli Cohen return err; 5895e126ba97SEli Cohen } 5896e126ba97SEli Cohen 5897e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5898e126ba97SEli Cohen struct ib_udata *udata) 5899e126ba97SEli Cohen { 5900e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5901e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5902e126ba97SEli Cohen int err; 5903e126ba97SEli Cohen 5904938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5905e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5906e126ba97SEli Cohen 5907e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5908e126ba97SEli Cohen if (!xrcd) 5909e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5910e126ba97SEli Cohen 59115aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5912e126ba97SEli Cohen if (err) { 5913e126ba97SEli Cohen kfree(xrcd); 5914e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5915e126ba97SEli Cohen } 5916e126ba97SEli Cohen 5917e126ba97SEli Cohen return &xrcd->ibxrcd; 5918e126ba97SEli Cohen } 5919e126ba97SEli Cohen 5920c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5921e126ba97SEli Cohen { 5922e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5923e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5924e126ba97SEli Cohen int err; 5925e126ba97SEli Cohen 59265aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5927b081808aSLeon Romanovsky if (err) 5928e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5929e126ba97SEli Cohen 5930e126ba97SEli Cohen kfree(xrcd); 5931e126ba97SEli Cohen return 0; 5932e126ba97SEli Cohen } 593379b20a6cSYishai Hadas 5934350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5935350d0e4cSYishai Hadas { 5936350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5937350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5938350d0e4cSYishai Hadas struct ib_event event; 5939350d0e4cSYishai Hadas 5940350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5941350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5942350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5943350d0e4cSYishai Hadas switch (type) { 5944350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5945350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5946350d0e4cSYishai Hadas break; 5947350d0e4cSYishai Hadas default: 5948350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5949350d0e4cSYishai Hadas return; 5950350d0e4cSYishai Hadas } 5951350d0e4cSYishai Hadas 5952350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5953350d0e4cSYishai Hadas } 5954350d0e4cSYishai Hadas } 5955350d0e4cSYishai Hadas 595603404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 595703404e8aSMaor Gottlieb { 595803404e8aSMaor Gottlieb int err = 0; 595903404e8aSMaor Gottlieb 596003404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 596103404e8aSMaor Gottlieb if (dev->delay_drop.activate) 596203404e8aSMaor Gottlieb goto out; 596303404e8aSMaor Gottlieb 596403404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 596503404e8aSMaor Gottlieb if (err) 596603404e8aSMaor Gottlieb goto out; 596703404e8aSMaor Gottlieb 596803404e8aSMaor Gottlieb dev->delay_drop.activate = true; 596903404e8aSMaor Gottlieb out: 597003404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5971fe248c3aSMaor Gottlieb 5972fe248c3aSMaor Gottlieb if (!err) 5973fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 597403404e8aSMaor Gottlieb return err; 597503404e8aSMaor Gottlieb } 597603404e8aSMaor Gottlieb 597779b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 597879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 597979b20a6cSYishai Hadas { 598079b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 59814be6da1eSNoa Osherovich int has_net_offloads; 598279b20a6cSYishai Hadas __be64 *rq_pas0; 598379b20a6cSYishai Hadas void *in; 598479b20a6cSYishai Hadas void *rqc; 598579b20a6cSYishai Hadas void *wq; 598679b20a6cSYishai Hadas int inlen; 598779b20a6cSYishai Hadas int err; 598879b20a6cSYishai Hadas 598979b20a6cSYishai Hadas dev = to_mdev(pd->device); 599079b20a6cSYishai Hadas 599179b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 59921b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 599379b20a6cSYishai Hadas if (!in) 599479b20a6cSYishai Hadas return -ENOMEM; 599579b20a6cSYishai Hadas 599634d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 599779b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 599879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 599979b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 600079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 600179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 600279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 600379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 600479b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 6005ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 6006ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 6007ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 6008b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6009b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 6010b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 6011b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6012b1383aa6SNoa Osherovich goto out; 6013b1383aa6SNoa Osherovich } else { 601479b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 6015b1383aa6SNoa Osherovich } 6016b1383aa6SNoa Osherovich } 601779b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 6018ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 6019c16339b6SMark Zhang /* 6020c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 6021c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 6022c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 6023c16339b6SMark Zhang * accepted as 0 to 9 6024c16339b6SMark Zhang */ 6025c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 6026c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 6027ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 6028ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 6029ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 6030ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 6031c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 6032c16339b6SMark Zhang fw_map[rwq->log_num_strides - 6033c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 6034ccc87087SNoa Osherovich } 603579b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 603679b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 603779b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 603879b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 603979b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 604079b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 60414be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 6042b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 60434be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6044b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 6045b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6046b1f74a84SNoa Osherovich goto out; 6047b1f74a84SNoa Osherovich } 6048b1f74a84SNoa Osherovich } else { 6049b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 6050b1f74a84SNoa Osherovich } 60514be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 60524be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 60534be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 60544be6da1eSNoa Osherovich err = -EOPNOTSUPP; 60554be6da1eSNoa Osherovich goto out; 60564be6da1eSNoa Osherovich } 60574be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 60584be6da1eSNoa Osherovich } 605903404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 606003404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 606103404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 606203404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 606303404e8aSMaor Gottlieb err = -EOPNOTSUPP; 606403404e8aSMaor Gottlieb goto out; 606503404e8aSMaor Gottlieb } 606603404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 606703404e8aSMaor Gottlieb } 606879b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 606979b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 6070350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 607103404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 607203404e8aSMaor Gottlieb err = set_delay_drop(dev); 607303404e8aSMaor Gottlieb if (err) { 607403404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 607503404e8aSMaor Gottlieb err); 607603404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 607703404e8aSMaor Gottlieb } else { 607803404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 607903404e8aSMaor Gottlieb } 608003404e8aSMaor Gottlieb } 6081b1f74a84SNoa Osherovich out: 608279b20a6cSYishai Hadas kvfree(in); 608379b20a6cSYishai Hadas return err; 608479b20a6cSYishai Hadas } 608579b20a6cSYishai Hadas 608679b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 608779b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 608879b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 608979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 609079b20a6cSYishai Hadas { 609179b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 609279b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 609379b20a6cSYishai Hadas return -EINVAL; 609479b20a6cSYishai Hadas 609579b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 609679b20a6cSYishai Hadas return -EINVAL; 609779b20a6cSYishai Hadas 609879b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 609979b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 61000dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 61010dfe4522SLeon Romanovsky return -EINVAL; 61020dfe4522SLeon Romanovsky 610379b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 610479b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 610579b20a6cSYishai Hadas return 0; 610679b20a6cSYishai Hadas } 610779b20a6cSYishai Hadas 6108c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 6109c16339b6SMark Zhang { 6110c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 6111c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6112c16339b6SMark Zhang return false; 6113c16339b6SMark Zhang 6114c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 6115c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6116c16339b6SMark Zhang return false; 6117c16339b6SMark Zhang 6118c16339b6SMark Zhang return true; 6119c16339b6SMark Zhang } 6120c16339b6SMark Zhang 612179b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 612279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 612379b20a6cSYishai Hadas struct ib_udata *udata, 612479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 612579b20a6cSYishai Hadas { 612679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 612779b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 612879b20a6cSYishai Hadas int err; 612979b20a6cSYishai Hadas size_t required_cmd_sz; 613079b20a6cSYishai Hadas 6131ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 6132ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 613379b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 613479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 613579b20a6cSYishai Hadas return -EINVAL; 613679b20a6cSYishai Hadas } 613779b20a6cSYishai Hadas 613879b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 613979b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 614079b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 614179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 614279b20a6cSYishai Hadas return -EOPNOTSUPP; 614379b20a6cSYishai Hadas } 614479b20a6cSYishai Hadas 614579b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 614679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 614779b20a6cSYishai Hadas return -EFAULT; 614879b20a6cSYishai Hadas } 614979b20a6cSYishai Hadas 6150ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 615179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 615279b20a6cSYishai Hadas return -EOPNOTSUPP; 6153ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 6154ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 6155ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 615679b20a6cSYishai Hadas return -EOPNOTSUPP; 615779b20a6cSYishai Hadas } 6158ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 6159ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 6160ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 6161ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 6162ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 6163ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 6164ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 6165ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 6166ccc87087SNoa Osherovich return -EINVAL; 6167ccc87087SNoa Osherovich } 6168c16339b6SMark Zhang if (!log_of_strides_valid(dev, 6169c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 6170c16339b6SMark Zhang mlx5_ib_dbg( 6171c16339b6SMark Zhang dev, 6172c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 6173ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 6174c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 6175c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 6176ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 6177ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 6178ccc87087SNoa Osherovich return -EINVAL; 6179ccc87087SNoa Osherovich } 6180ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 6181ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 6182ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 6183ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 6184ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 6185ccc87087SNoa Osherovich } 618679b20a6cSYishai Hadas 618779b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 618879b20a6cSYishai Hadas if (err) { 618979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 619079b20a6cSYishai Hadas return err; 619179b20a6cSYishai Hadas } 619279b20a6cSYishai Hadas 6193b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 619479b20a6cSYishai Hadas if (err) { 619579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 619679b20a6cSYishai Hadas return err; 619779b20a6cSYishai Hadas } 619879b20a6cSYishai Hadas 619979b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 620079b20a6cSYishai Hadas return 0; 620179b20a6cSYishai Hadas } 620279b20a6cSYishai Hadas 620379b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 620479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 620579b20a6cSYishai Hadas struct ib_udata *udata) 620679b20a6cSYishai Hadas { 620779b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 620879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 620979b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 621079b20a6cSYishai Hadas size_t min_resp_len; 621179b20a6cSYishai Hadas int err; 621279b20a6cSYishai Hadas 621379b20a6cSYishai Hadas if (!udata) 621479b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 621579b20a6cSYishai Hadas 621679b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 621779b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 621879b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 621979b20a6cSYishai Hadas 622079b20a6cSYishai Hadas dev = to_mdev(pd->device); 622179b20a6cSYishai Hadas switch (init_attr->wq_type) { 622279b20a6cSYishai Hadas case IB_WQT_RQ: 622379b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 622479b20a6cSYishai Hadas if (!rwq) 622579b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 622679b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 622779b20a6cSYishai Hadas if (err) 622879b20a6cSYishai Hadas goto err; 622979b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 623079b20a6cSYishai Hadas if (err) 623179b20a6cSYishai Hadas goto err_user_rq; 623279b20a6cSYishai Hadas break; 623379b20a6cSYishai Hadas default: 623479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 623579b20a6cSYishai Hadas init_attr->wq_type); 623679b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 623779b20a6cSYishai Hadas } 623879b20a6cSYishai Hadas 6239350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 624079b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 624179b20a6cSYishai Hadas if (udata->outlen) { 624279b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 624379b20a6cSYishai Hadas sizeof(resp.response_length); 624479b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 624579b20a6cSYishai Hadas if (err) 624679b20a6cSYishai Hadas goto err_copy; 624779b20a6cSYishai Hadas } 624879b20a6cSYishai Hadas 6249350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 6250350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 625179b20a6cSYishai Hadas return &rwq->ibwq; 625279b20a6cSYishai Hadas 625379b20a6cSYishai Hadas err_copy: 6254350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 625579b20a6cSYishai Hadas err_user_rq: 6256bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 625779b20a6cSYishai Hadas err: 625879b20a6cSYishai Hadas kfree(rwq); 625979b20a6cSYishai Hadas return ERR_PTR(err); 626079b20a6cSYishai Hadas } 626179b20a6cSYishai Hadas 6262a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 626379b20a6cSYishai Hadas { 626479b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 626579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 626679b20a6cSYishai Hadas 6267350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 6268bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 626979b20a6cSYishai Hadas kfree(rwq); 627079b20a6cSYishai Hadas } 627179b20a6cSYishai Hadas 6272c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 6273c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 6274c5f90929SYishai Hadas struct ib_udata *udata) 6275c5f90929SYishai Hadas { 6276c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 6277c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 6278c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 6279c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 6280c5f90929SYishai Hadas size_t min_resp_len; 6281c5f90929SYishai Hadas int inlen; 6282c5f90929SYishai Hadas int err; 6283c5f90929SYishai Hadas int i; 6284c5f90929SYishai Hadas u32 *in; 6285c5f90929SYishai Hadas void *rqtc; 6286c5f90929SYishai Hadas 6287c5f90929SYishai Hadas if (udata->inlen > 0 && 6288c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 6289c5f90929SYishai Hadas udata->inlen)) 6290c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 6291c5f90929SYishai Hadas 6292efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 6293efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 6294efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 6295efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 6296efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 6297efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 6298efd7f400SMaor Gottlieb } 6299efd7f400SMaor Gottlieb 6300c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 6301c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 6302c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 6303c5f90929SYishai Hadas 6304c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 6305c5f90929SYishai Hadas if (!rwq_ind_tbl) 6306c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 6307c5f90929SYishai Hadas 6308c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 63091b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 6310c5f90929SYishai Hadas if (!in) { 6311c5f90929SYishai Hadas err = -ENOMEM; 6312c5f90929SYishai Hadas goto err; 6313c5f90929SYishai Hadas } 6314c5f90929SYishai Hadas 6315c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6316c5f90929SYishai Hadas 6317c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6318c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6319c5f90929SYishai Hadas 6320c5f90929SYishai Hadas for (i = 0; i < sz; i++) 6321c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 6322c5f90929SYishai Hadas 63235deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 63245deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 63255deba86eSYishai Hadas 6326c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 6327c5f90929SYishai Hadas kvfree(in); 6328c5f90929SYishai Hadas 6329c5f90929SYishai Hadas if (err) 6330c5f90929SYishai Hadas goto err; 6331c5f90929SYishai Hadas 6332c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 6333c5f90929SYishai Hadas if (udata->outlen) { 6334c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 6335c5f90929SYishai Hadas sizeof(resp.response_length); 6336c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 6337c5f90929SYishai Hadas if (err) 6338c5f90929SYishai Hadas goto err_copy; 6339c5f90929SYishai Hadas } 6340c5f90929SYishai Hadas 6341c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 6342c5f90929SYishai Hadas 6343c5f90929SYishai Hadas err_copy: 63445deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6345c5f90929SYishai Hadas err: 6346c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6347c5f90929SYishai Hadas return ERR_PTR(err); 6348c5f90929SYishai Hadas } 6349c5f90929SYishai Hadas 6350c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 6351c5f90929SYishai Hadas { 6352c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 6353c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 6354c5f90929SYishai Hadas 63555deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6356c5f90929SYishai Hadas 6357c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6358c5f90929SYishai Hadas return 0; 6359c5f90929SYishai Hadas } 6360c5f90929SYishai Hadas 636179b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 636279b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 636379b20a6cSYishai Hadas { 636479b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 636579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 636679b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 636779b20a6cSYishai Hadas size_t required_cmd_sz; 636879b20a6cSYishai Hadas int curr_wq_state; 636979b20a6cSYishai Hadas int wq_state; 637079b20a6cSYishai Hadas int inlen; 637179b20a6cSYishai Hadas int err; 637279b20a6cSYishai Hadas void *rqc; 637379b20a6cSYishai Hadas void *in; 637479b20a6cSYishai Hadas 637579b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 637679b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 637779b20a6cSYishai Hadas return -EINVAL; 637879b20a6cSYishai Hadas 637979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 638079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 638179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 638279b20a6cSYishai Hadas return -EOPNOTSUPP; 638379b20a6cSYishai Hadas 638479b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 638579b20a6cSYishai Hadas return -EFAULT; 638679b20a6cSYishai Hadas 638779b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 638879b20a6cSYishai Hadas return -EOPNOTSUPP; 638979b20a6cSYishai Hadas 639079b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 63911b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 639279b20a6cSYishai Hadas if (!in) 639379b20a6cSYishai Hadas return -ENOMEM; 639479b20a6cSYishai Hadas 639579b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 639679b20a6cSYishai Hadas 639779b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 639879b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 639979b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 640079b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 640179b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 640279b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 640379b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 640479b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 640579b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 640634d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 640779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 640879b20a6cSYishai Hadas 6409b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6410b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6411b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6412b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6413b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6414b1f74a84SNoa Osherovich "supported\n"); 6415b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6416b1f74a84SNoa Osherovich goto out; 6417b1f74a84SNoa Osherovich } 6418b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6419b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6420b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6421b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6422b1f74a84SNoa Osherovich } 6423b1383aa6SNoa Osherovich 6424b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6425b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6426b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6427b1383aa6SNoa Osherovich goto out; 6428b1383aa6SNoa Osherovich } 6429b1f74a84SNoa Osherovich } 6430b1f74a84SNoa Osherovich 643123a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 64323e1f000fSParav Pandit u16 set_id; 64333e1f000fSParav Pandit 64343e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 643523a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 643623a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 643723a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 64383e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 643923a6964eSMajd Dibbiny } else 64405a738b5dSJason Gunthorpe dev_info_once( 64415a738b5dSJason Gunthorpe &dev->ib_dev.dev, 64425a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 644323a6964eSMajd Dibbiny } 644423a6964eSMajd Dibbiny 6445350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 644679b20a6cSYishai Hadas if (!err) 644779b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 644879b20a6cSYishai Hadas 6449b1f74a84SNoa Osherovich out: 6450b1f74a84SNoa Osherovich kvfree(in); 645179b20a6cSYishai Hadas return err; 645279b20a6cSYishai Hadas } 6453d0e84c0aSYishai Hadas 6454d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6455d0e84c0aSYishai Hadas struct ib_cqe cqe; 6456d0e84c0aSYishai Hadas struct completion done; 6457d0e84c0aSYishai Hadas }; 6458d0e84c0aSYishai Hadas 6459d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6460d0e84c0aSYishai Hadas { 6461d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6462d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6463d0e84c0aSYishai Hadas cqe); 6464d0e84c0aSYishai Hadas 6465d0e84c0aSYishai Hadas complete(&cqe->done); 6466d0e84c0aSYishai Hadas } 6467d0e84c0aSYishai Hadas 6468d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6469d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6470d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6471d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6472d0e84c0aSYishai Hadas { 6473d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6474d0e84c0aSYishai Hadas 6475d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6476d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6477d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6478d0e84c0aSYishai Hadas return; 6479d0e84c0aSYishai Hadas } 6480d0e84c0aSYishai Hadas 6481d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6482d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6483d0e84c0aSYishai Hadas bool triggered = false; 6484d0e84c0aSYishai Hadas unsigned long flags; 6485d0e84c0aSYishai Hadas 6486d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6487d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6488d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6489d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6490d0e84c0aSYishai Hadas else 6491d0e84c0aSYishai Hadas triggered = true; 6492d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6493d0e84c0aSYishai Hadas 6494d0e84c0aSYishai Hadas if (triggered) { 6495d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6496d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6497d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6498d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6499d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6500d0e84c0aSYishai Hadas break; 6501d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6502d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6503d0e84c0aSYishai Hadas break; 6504d0e84c0aSYishai Hadas default: 6505d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6506d0e84c0aSYishai Hadas } 6507d0e84c0aSYishai Hadas } 6508d0e84c0aSYishai Hadas 6509d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6510d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6511d0e84c0aSYishai Hadas */ 65124e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 6513d0e84c0aSYishai Hadas } 6514d0e84c0aSYishai Hadas 6515d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6516d0e84c0aSYishai Hadas } 6517d0e84c0aSYishai Hadas 6518d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6519d0e84c0aSYishai Hadas { 6520d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6521d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6522d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6523d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6524d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6525d0e84c0aSYishai Hadas .wr = { 6526d0e84c0aSYishai Hadas .next = NULL, 6527d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6528d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6529d0e84c0aSYishai Hadas }, 6530d0e84c0aSYishai Hadas }; 6531d0e84c0aSYishai Hadas int ret; 6532d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6533d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6534d0e84c0aSYishai Hadas 6535d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6536d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6537d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6538d0e84c0aSYishai Hadas return; 6539d0e84c0aSYishai Hadas } 6540d0e84c0aSYishai Hadas 6541d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6542d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6543d0e84c0aSYishai Hadas 6544d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6545d0e84c0aSYishai Hadas if (ret) { 6546d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6547d0e84c0aSYishai Hadas return; 6548d0e84c0aSYishai Hadas } 6549d0e84c0aSYishai Hadas 6550d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6551d0e84c0aSYishai Hadas } 6552d0e84c0aSYishai Hadas 6553d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6554d0e84c0aSYishai Hadas { 6555d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6556d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6557d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6558d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6559d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6560d0e84c0aSYishai Hadas int ret; 6561d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6562d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6563d0e84c0aSYishai Hadas 6564d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6565d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6566d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6567d0e84c0aSYishai Hadas return; 6568d0e84c0aSYishai Hadas } 6569d0e84c0aSYishai Hadas 6570d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6571d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6572d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6573d0e84c0aSYishai Hadas 6574d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6575d0e84c0aSYishai Hadas if (ret) { 6576d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6577d0e84c0aSYishai Hadas return; 6578d0e84c0aSYishai Hadas } 6579d0e84c0aSYishai Hadas 6580d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6581d0e84c0aSYishai Hadas } 6582d14133ddSMark Zhang 6583d14133ddSMark Zhang /** 6584d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 6585d14133ddSMark Zhang * the default counter 6586d14133ddSMark Zhang */ 6587d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 6588d14133ddSMark Zhang { 658910189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 6590d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 6591d14133ddSMark Zhang int err = 0; 6592d14133ddSMark Zhang 6593d14133ddSMark Zhang mutex_lock(&mqp->mutex); 6594d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 6595d14133ddSMark Zhang qp->counter = counter; 6596d14133ddSMark Zhang goto out; 6597d14133ddSMark Zhang } 6598d14133ddSMark Zhang 659910189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 660010189e8eSMark Zhang err = -EOPNOTSUPP; 660110189e8eSMark Zhang goto out; 660210189e8eSMark Zhang } 660310189e8eSMark Zhang 6604d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 6605d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 6606d14133ddSMark Zhang if (!err) 6607d14133ddSMark Zhang qp->counter = counter; 6608d14133ddSMark Zhang 6609d14133ddSMark Zhang goto out; 6610d14133ddSMark Zhang } 6611d14133ddSMark Zhang 6612d14133ddSMark Zhang mqp->counter_pending = 1; 6613d14133ddSMark Zhang qp->counter = counter; 6614d14133ddSMark Zhang 6615d14133ddSMark Zhang out: 6616d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 6617d14133ddSMark Zhang return err; 6618d14133ddSMark Zhang } 6619