1e126ba97SEli Cohen /* 26cf0a15fSSaeed Mahameed * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3e126ba97SEli Cohen * 4e126ba97SEli Cohen * This software is available to you under a choice of one of two 5e126ba97SEli Cohen * licenses. You may choose to be licensed under the terms of the GNU 6e126ba97SEli Cohen * General Public License (GPL) Version 2, available from the file 7e126ba97SEli Cohen * COPYING in the main directory of this source tree, or the 8e126ba97SEli Cohen * OpenIB.org BSD license below: 9e126ba97SEli Cohen * 10e126ba97SEli Cohen * Redistribution and use in source and binary forms, with or 11e126ba97SEli Cohen * without modification, are permitted provided that the following 12e126ba97SEli Cohen * conditions are met: 13e126ba97SEli Cohen * 14e126ba97SEli Cohen * - Redistributions of source code must retain the above 15e126ba97SEli Cohen * copyright notice, this list of conditions and the following 16e126ba97SEli Cohen * disclaimer. 17e126ba97SEli Cohen * 18e126ba97SEli Cohen * - Redistributions in binary form must reproduce the above 19e126ba97SEli Cohen * copyright notice, this list of conditions and the following 20e126ba97SEli Cohen * disclaimer in the documentation and/or other materials 21e126ba97SEli Cohen * provided with the distribution. 22e126ba97SEli Cohen * 23e126ba97SEli Cohen * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e126ba97SEli Cohen * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e126ba97SEli Cohen * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e126ba97SEli Cohen * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e126ba97SEli Cohen * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e126ba97SEli Cohen * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e126ba97SEli Cohen * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e126ba97SEli Cohen * SOFTWARE. 31e126ba97SEli Cohen */ 32e126ba97SEli Cohen 33e126ba97SEli Cohen #include <linux/module.h> 34e126ba97SEli Cohen #include <rdma/ib_umem.h> 352811ba51SAchiad Shochat #include <rdma/ib_cache.h> 36cfb5e088SHaggai Abramovsky #include <rdma/ib_user_verbs.h> 37d14133ddSMark Zhang #include <rdma/rdma_counter.h> 38c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 39e126ba97SEli Cohen #include "mlx5_ib.h" 40b96c9ddeSMark Bloch #include "ib_rep.h" 41443c1cf9SYishai Hadas #include "cmd.h" 42333fbaa0SLeon Romanovsky #include "qp.h" 43e126ba97SEli Cohen 44e126ba97SEli Cohen enum { 45e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 46e126ba97SEli Cohen }; 47e126ba97SEli Cohen 48e126ba97SEli Cohen enum { 49e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 50e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 51e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 52e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 53e126ba97SEli Cohen }; 54e126ba97SEli Cohen 55e126ba97SEli Cohen enum { 56e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 57064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, 58e126ba97SEli Cohen }; 59e126ba97SEli Cohen 60e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 61e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 62f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 63e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 64e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 65e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 66e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 67e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 68e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 69e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 70e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 718a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 72e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 73e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 74e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 75e126ba97SEli Cohen }; 76e126ba97SEli Cohen 77f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 78f0313965SErez Shitrit u8 rsvd0[16]; 79f0313965SErez Shitrit }; 80e126ba97SEli Cohen 81eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 82eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 837d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 84eb49ab0cSAlex Vesker }; 85eb49ab0cSAlex Vesker 860680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 870680efa2SAlex Vesker u16 operation; 88eb49ab0cSAlex Vesker 89eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 9061147f39SBodong Wang 9161147f39SBodong Wang struct mlx5_rate_limit rl; 9261147f39SBodong Wang 93eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 94d5ed8ac3SMark Bloch u16 port; 950680efa2SAlex Vesker }; 960680efa2SAlex Vesker 9789ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9889ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 9989ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10089ea94a7SMaor Gottlieb 101e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 102e126ba97SEli Cohen { 103e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 104e126ba97SEli Cohen } 105e126ba97SEli Cohen 106e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 107e126ba97SEli Cohen { 108e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 109e126ba97SEli Cohen } 110e126ba97SEli Cohen 111c1395a2aSHaggai Eran /** 112fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 113fbeb4075SMoni Shoua * to kernel buffer 114c1395a2aSHaggai Eran * 115fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 116fbeb4075SMoni Shoua * @buffer: buffer to copy to 117fbeb4075SMoni Shoua * @buflen: buffer length 118fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 119fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 120fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 121fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 122fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 123fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 124c1395a2aSHaggai Eran * 125fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 126fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 127c1395a2aSHaggai Eran * 128fbeb4075SMoni Shoua * Return: zero on success, or an error code. 129c1395a2aSHaggai Eran */ 130da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, void *buffer, 131da9ee9d8SMoni Shoua size_t buflen, int wqe_index, 132da9ee9d8SMoni Shoua int wq_offset, int wq_wqe_cnt, 133da9ee9d8SMoni Shoua int wq_wqe_shift, int bcnt, 134fbeb4075SMoni Shoua size_t *bytes_copied) 135c1395a2aSHaggai Eran { 136fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 137fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 138fbeb4075SMoni Shoua size_t copy_length; 139c1395a2aSHaggai Eran int ret; 140c1395a2aSHaggai Eran 141fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 142fbeb4075SMoni Shoua * beyond WQ end 143fbeb4075SMoni Shoua */ 144fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 145fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 146c1395a2aSHaggai Eran 147fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 148c1395a2aSHaggai Eran if (ret) 149c1395a2aSHaggai Eran return ret; 150c1395a2aSHaggai Eran 151fbeb4075SMoni Shoua if (!ret && bytes_copied) 152fbeb4075SMoni Shoua *bytes_copied = copy_length; 153c1395a2aSHaggai Eran 154fbeb4075SMoni Shoua return 0; 155fbeb4075SMoni Shoua } 156fbeb4075SMoni Shoua 157da9ee9d8SMoni Shoua static int mlx5_ib_read_kernel_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 158da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 159da9ee9d8SMoni Shoua { 160da9ee9d8SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 161da9ee9d8SMoni Shoua size_t bytes_copied = 0; 162da9ee9d8SMoni Shoua size_t wqe_length; 163da9ee9d8SMoni Shoua void *p; 164da9ee9d8SMoni Shoua int ds; 165da9ee9d8SMoni Shoua 166da9ee9d8SMoni Shoua wqe_index = wqe_index & qp->sq.fbc.sz_m1; 167da9ee9d8SMoni Shoua 168da9ee9d8SMoni Shoua /* read the control segment first */ 169da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 170da9ee9d8SMoni Shoua ctrl = p; 171da9ee9d8SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 172da9ee9d8SMoni Shoua wqe_length = ds * MLX5_WQE_DS_UNITS; 173da9ee9d8SMoni Shoua 174da9ee9d8SMoni Shoua /* read rest of WQE if it spreads over more than one stride */ 175da9ee9d8SMoni Shoua while (bytes_copied < wqe_length) { 176da9ee9d8SMoni Shoua size_t copy_length = 177da9ee9d8SMoni Shoua min_t(size_t, buflen - bytes_copied, MLX5_SEND_WQE_BB); 178da9ee9d8SMoni Shoua 179da9ee9d8SMoni Shoua if (!copy_length) 180da9ee9d8SMoni Shoua break; 181da9ee9d8SMoni Shoua 182da9ee9d8SMoni Shoua memcpy(buffer + bytes_copied, p, copy_length); 183da9ee9d8SMoni Shoua bytes_copied += copy_length; 184da9ee9d8SMoni Shoua 185da9ee9d8SMoni Shoua wqe_index = (wqe_index + 1) & qp->sq.fbc.sz_m1; 186da9ee9d8SMoni Shoua p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, wqe_index); 187da9ee9d8SMoni Shoua } 188da9ee9d8SMoni Shoua *bc = bytes_copied; 189da9ee9d8SMoni Shoua return 0; 190da9ee9d8SMoni Shoua } 191da9ee9d8SMoni Shoua 192da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, 193da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 194fbeb4075SMoni Shoua { 195fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 196fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 197fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 198fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 199fbeb4075SMoni Shoua size_t bytes_copied; 200fbeb4075SMoni Shoua size_t bytes_copied2; 201fbeb4075SMoni Shoua size_t wqe_length; 202fbeb4075SMoni Shoua int ret; 203fbeb4075SMoni Shoua int ds; 204fbeb4075SMoni Shoua 205fbeb4075SMoni Shoua /* at first read as much as possible */ 206da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 207da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 208da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 209fbeb4075SMoni Shoua &bytes_copied); 210fbeb4075SMoni Shoua if (ret) 211fbeb4075SMoni Shoua return ret; 212fbeb4075SMoni Shoua 213fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 214fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 215fbeb4075SMoni Shoua return -EINVAL; 216fbeb4075SMoni Shoua 217fbeb4075SMoni Shoua ctrl = buffer; 218fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 219c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 220fbeb4075SMoni Shoua 221fbeb4075SMoni Shoua /* if we copied enough then we are done */ 222fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 223fbeb4075SMoni Shoua *bc = bytes_copied; 224fbeb4075SMoni Shoua return 0; 225c1395a2aSHaggai Eran } 226c1395a2aSHaggai Eran 227fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 228fbeb4075SMoni Shoua * so read the remaining bytes starting 229fbeb4075SMoni Shoua * from wqe_index 0 230fbeb4075SMoni Shoua */ 231da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer + bytes_copied, 232da9ee9d8SMoni Shoua buflen - bytes_copied, 0, wq->offset, 233da9ee9d8SMoni Shoua wq->wqe_cnt, wq->wqe_shift, 234fbeb4075SMoni Shoua wqe_length - bytes_copied, 235fbeb4075SMoni Shoua &bytes_copied2); 236c1395a2aSHaggai Eran 237c1395a2aSHaggai Eran if (ret) 238c1395a2aSHaggai Eran return ret; 239fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 240fbeb4075SMoni Shoua return 0; 241fbeb4075SMoni Shoua } 242c1395a2aSHaggai Eran 243da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 244da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 245da9ee9d8SMoni Shoua { 246da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 247da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 248da9ee9d8SMoni Shoua 249da9ee9d8SMoni Shoua if (buflen < sizeof(struct mlx5_wqe_ctrl_seg)) 250da9ee9d8SMoni Shoua return -EINVAL; 251da9ee9d8SMoni Shoua 252da9ee9d8SMoni Shoua if (!umem) 253da9ee9d8SMoni Shoua return mlx5_ib_read_kernel_wqe_sq(qp, wqe_index, buffer, 254da9ee9d8SMoni Shoua buflen, bc); 255da9ee9d8SMoni Shoua 256da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_sq(qp, wqe_index, buffer, buflen, bc); 257da9ee9d8SMoni Shoua } 258da9ee9d8SMoni Shoua 259da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, 260da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 261fbeb4075SMoni Shoua { 262fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 263fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 264fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 265fbeb4075SMoni Shoua size_t bytes_copied; 266fbeb4075SMoni Shoua int ret; 267fbeb4075SMoni Shoua 268da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 269da9ee9d8SMoni Shoua wq->offset, wq->wqe_cnt, 270da9ee9d8SMoni Shoua wq->wqe_shift, buflen, 271fbeb4075SMoni Shoua &bytes_copied); 272fbeb4075SMoni Shoua 273fbeb4075SMoni Shoua if (ret) 274fbeb4075SMoni Shoua return ret; 275fbeb4075SMoni Shoua *bc = bytes_copied; 276fbeb4075SMoni Shoua return 0; 277fbeb4075SMoni Shoua } 278fbeb4075SMoni Shoua 279da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, 280da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 281da9ee9d8SMoni Shoua { 282da9ee9d8SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 283da9ee9d8SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 284da9ee9d8SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 285da9ee9d8SMoni Shoua size_t wqe_size = 1 << wq->wqe_shift; 286da9ee9d8SMoni Shoua 287da9ee9d8SMoni Shoua if (buflen < wqe_size) 288da9ee9d8SMoni Shoua return -EINVAL; 289da9ee9d8SMoni Shoua 290da9ee9d8SMoni Shoua if (!umem) 291da9ee9d8SMoni Shoua return -EOPNOTSUPP; 292da9ee9d8SMoni Shoua 293da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_rq(qp, wqe_index, buffer, buflen, bc); 294da9ee9d8SMoni Shoua } 295da9ee9d8SMoni Shoua 296da9ee9d8SMoni Shoua static int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, 297da9ee9d8SMoni Shoua void *buffer, size_t buflen, size_t *bc) 298fbeb4075SMoni Shoua { 299fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 300fbeb4075SMoni Shoua size_t bytes_copied; 301fbeb4075SMoni Shoua int ret; 302fbeb4075SMoni Shoua 303da9ee9d8SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, buffer, buflen, wqe_index, 0, 304da9ee9d8SMoni Shoua srq->msrq.max, srq->msrq.wqe_shift, 305da9ee9d8SMoni Shoua buflen, &bytes_copied); 306fbeb4075SMoni Shoua 307fbeb4075SMoni Shoua if (ret) 308fbeb4075SMoni Shoua return ret; 309fbeb4075SMoni Shoua *bc = bytes_copied; 310fbeb4075SMoni Shoua return 0; 311c1395a2aSHaggai Eran } 312c1395a2aSHaggai Eran 313da9ee9d8SMoni Shoua int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, 314da9ee9d8SMoni Shoua size_t buflen, size_t *bc) 315da9ee9d8SMoni Shoua { 316da9ee9d8SMoni Shoua struct ib_umem *umem = srq->umem; 317da9ee9d8SMoni Shoua size_t wqe_size = 1 << srq->msrq.wqe_shift; 318da9ee9d8SMoni Shoua 319da9ee9d8SMoni Shoua if (buflen < wqe_size) 320da9ee9d8SMoni Shoua return -EINVAL; 321da9ee9d8SMoni Shoua 322da9ee9d8SMoni Shoua if (!umem) 323da9ee9d8SMoni Shoua return -EOPNOTSUPP; 324da9ee9d8SMoni Shoua 325da9ee9d8SMoni Shoua return mlx5_ib_read_user_wqe_srq(srq, wqe_index, buffer, buflen, bc); 326da9ee9d8SMoni Shoua } 327da9ee9d8SMoni Shoua 328e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 329e126ba97SEli Cohen { 330e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 331e126ba97SEli Cohen struct ib_event event; 332e126ba97SEli Cohen 33319098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 33419098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 33519098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 33619098df2Smajd@mellanox.com } 337e126ba97SEli Cohen 338e126ba97SEli Cohen if (ibqp->event_handler) { 339e126ba97SEli Cohen event.device = ibqp->device; 340e126ba97SEli Cohen event.element.qp = ibqp; 341e126ba97SEli Cohen switch (type) { 342e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 343e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 344e126ba97SEli Cohen break; 345e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 346e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 347e126ba97SEli Cohen break; 348e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 349e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 350e126ba97SEli Cohen break; 351e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 352e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 353e126ba97SEli Cohen break; 354e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 355e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 356e126ba97SEli Cohen break; 357e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 358e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 359e126ba97SEli Cohen break; 360e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 361e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 362e126ba97SEli Cohen break; 363e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 364e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 365e126ba97SEli Cohen break; 366e126ba97SEli Cohen default: 367e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 368e126ba97SEli Cohen return; 369e126ba97SEli Cohen } 370e126ba97SEli Cohen 371e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 372e126ba97SEli Cohen } 373e126ba97SEli Cohen } 374e126ba97SEli Cohen 375e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 376e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 377e126ba97SEli Cohen { 378e126ba97SEli Cohen int wqe_size; 379e126ba97SEli Cohen int wq_size; 380e126ba97SEli Cohen 381e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 382938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 383e126ba97SEli Cohen return -EINVAL; 384e126ba97SEli Cohen 385e126ba97SEli Cohen if (!has_rq) { 386e126ba97SEli Cohen qp->rq.max_gs = 0; 387e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 388e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3890540d814SNoa Osherovich cap->max_recv_wr = 0; 3900540d814SNoa Osherovich cap->max_recv_sge = 0; 391e126ba97SEli Cohen } else { 392c95e6d53SLeon Romanovsky int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); 393c95e6d53SLeon Romanovsky 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; 399c95e6d53SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / 400c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) < 401c95e6d53SLeon Romanovsky wq_sig) 402002bf228SLeon Romanovsky return -EINVAL; 403c95e6d53SLeon Romanovsky qp->rq.max_gs = 404c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 405c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 406c95e6d53SLeon Romanovsky wq_sig; 407e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 408e126ba97SEli Cohen } else { 409c95e6d53SLeon Romanovsky wqe_size = 410c95e6d53SLeon Romanovsky wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 411c95e6d53SLeon Romanovsky 0; 412e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 413e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 414e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 415e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 416e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 417938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 418e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 419e126ba97SEli Cohen wqe_size, 420938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 421938fe83cSSaeed Mahameed max_wqe_sz_rq)); 422e126ba97SEli Cohen return -EINVAL; 423e126ba97SEli Cohen } 424e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 425c95e6d53SLeon Romanovsky qp->rq.max_gs = 426c95e6d53SLeon Romanovsky (1 << qp->rq.wqe_shift) / 427c95e6d53SLeon Romanovsky sizeof(struct mlx5_wqe_data_seg) - 428c95e6d53SLeon Romanovsky wq_sig; 429e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 430e126ba97SEli Cohen } 431e126ba97SEli Cohen } 432e126ba97SEli Cohen 433e126ba97SEli Cohen return 0; 434e126ba97SEli Cohen } 435e126ba97SEli Cohen 436f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 437e126ba97SEli Cohen { 438618af384SAndi Shyti int size = 0; 439e126ba97SEli Cohen 440f0313965SErez Shitrit switch (attr->qp_type) { 441e126ba97SEli Cohen case IB_QPT_XRC_INI: 442b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 443e126ba97SEli Cohen /* fall through */ 444e126ba97SEli Cohen case IB_QPT_RC: 445e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 44675c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 44775c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 44875c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 449064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 450064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 451064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 452e126ba97SEli Cohen break; 453e126ba97SEli Cohen 454b125a54bSEli Cohen case IB_QPT_XRC_TGT: 455b125a54bSEli Cohen return 0; 456b125a54bSEli Cohen 457e126ba97SEli Cohen case IB_QPT_UC: 458b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 45975c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4609e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 46175c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 462e126ba97SEli Cohen break; 463e126ba97SEli Cohen 464e126ba97SEli Cohen case IB_QPT_UD: 465f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 466f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 467f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 468f0313965SErez Shitrit /* fall through */ 469e126ba97SEli Cohen case IB_QPT_SMI: 470d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 471b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 472e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 473e126ba97SEli Cohen break; 474e126ba97SEli Cohen 475e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 476b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 477e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 478e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 479e126ba97SEli Cohen break; 480e126ba97SEli Cohen 481e126ba97SEli Cohen default: 482e126ba97SEli Cohen return -EINVAL; 483e126ba97SEli Cohen } 484e126ba97SEli Cohen 485e126ba97SEli Cohen return size; 486e126ba97SEli Cohen } 487e126ba97SEli Cohen 488e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 489e126ba97SEli Cohen { 490e126ba97SEli Cohen int inl_size = 0; 491e126ba97SEli Cohen int size; 492e126ba97SEli Cohen 493f0313965SErez Shitrit size = sq_overhead(attr); 494e126ba97SEli Cohen if (size < 0) 495e126ba97SEli Cohen return size; 496e126ba97SEli Cohen 497e126ba97SEli Cohen if (attr->cap.max_inline_data) { 498e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 499e126ba97SEli Cohen attr->cap.max_inline_data; 500e126ba97SEli Cohen } 501e126ba97SEli Cohen 502e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 503c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 504e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 505e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 506e1e66cc2SSagi Grimberg else 507e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 508e126ba97SEli Cohen } 509e126ba97SEli Cohen 510288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 511288c01b7SEli Cohen { 512288c01b7SEli Cohen int max_sge; 513288c01b7SEli Cohen 514288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 515288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 516288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 517288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 518288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 519288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 520288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 521288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 522288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 523288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 524288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 525288c01b7SEli Cohen else 526288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 527288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 528288c01b7SEli Cohen 529288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 530288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 531288c01b7SEli Cohen } 532288c01b7SEli Cohen 533e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 534e126ba97SEli Cohen struct mlx5_ib_qp *qp) 535e126ba97SEli Cohen { 536e126ba97SEli Cohen int wqe_size; 537e126ba97SEli Cohen int wq_size; 538e126ba97SEli Cohen 539e126ba97SEli Cohen if (!attr->cap.max_send_wr) 540e126ba97SEli Cohen return 0; 541e126ba97SEli Cohen 542e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 543e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 544e126ba97SEli Cohen if (wqe_size < 0) 545e126ba97SEli Cohen return wqe_size; 546e126ba97SEli Cohen 547938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 548b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 549938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 550e126ba97SEli Cohen return -EINVAL; 551e126ba97SEli Cohen } 552e126ba97SEli Cohen 553f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 554e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 555e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 556e126ba97SEli Cohen 557e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 558e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 559938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5601974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5611974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 562938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 563938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 564b125a54bSEli Cohen return -ENOMEM; 565b125a54bSEli Cohen } 566e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 567288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 568288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 569288c01b7SEli Cohen return -ENOMEM; 570288c01b7SEli Cohen 571288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 572b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 573b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 574e126ba97SEli Cohen 575e126ba97SEli Cohen return wq_size; 576e126ba97SEli Cohen } 577e126ba97SEli Cohen 578e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 579e126ba97SEli Cohen struct mlx5_ib_qp *qp, 58019098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5810fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5820fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 583e126ba97SEli Cohen { 584e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 585e126ba97SEli Cohen 586938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 587e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 588938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 589e126ba97SEli Cohen return -EINVAL; 590e126ba97SEli Cohen } 591e126ba97SEli Cohen 592af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 593af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 594af8b38edSGal Pressman ucmd->sq_wqe_count); 595e126ba97SEli Cohen return -EINVAL; 596e126ba97SEli Cohen } 597e126ba97SEli Cohen 598e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 599e126ba97SEli Cohen 600938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 601e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 602938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 603938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 604e126ba97SEli Cohen return -EINVAL; 605e126ba97SEli Cohen } 606e126ba97SEli Cohen 607c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 6082be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 6090fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 6100fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 6110fb2ed66Smajd@mellanox.com } else { 61219098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 613e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 6140fb2ed66Smajd@mellanox.com } 615e126ba97SEli Cohen 616e126ba97SEli Cohen return 0; 617e126ba97SEli Cohen } 618e126ba97SEli Cohen 619e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 620e126ba97SEli Cohen { 621e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 622e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 623e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 624e126ba97SEli Cohen !attr->cap.max_recv_wr) 625e126ba97SEli Cohen return 0; 626e126ba97SEli Cohen 627e126ba97SEli Cohen return 1; 628e126ba97SEli Cohen } 629e126ba97SEli Cohen 6300b80c14fSEli Cohen enum { 6310b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 6320b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 6330b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 6340b80c14fSEli Cohen * "odd/even" order 6350b80c14fSEli Cohen */ 6360b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 6370b80c14fSEli Cohen }; 6380b80c14fSEli Cohen 639b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 640b037c29aSEli Cohen { 64131a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 642b037c29aSEli Cohen } 643b037c29aSEli Cohen 644b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 645b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 646c1be5232SEli Cohen { 647c1be5232SEli Cohen int n; 648c1be5232SEli Cohen 649b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 650b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 651c1be5232SEli Cohen 652c1be5232SEli Cohen return n >= 0 ? n : 0; 653c1be5232SEli Cohen } 654c1be5232SEli Cohen 65518b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 65618b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 65718b0362eSYishai Hadas { 65818b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 65918b0362eSYishai Hadas } 66018b0362eSYishai Hadas 661b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 662b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 663c1be5232SEli Cohen { 664c1be5232SEli Cohen int med; 665c1be5232SEli Cohen 666b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 667b037c29aSEli Cohen return ++med; 668c1be5232SEli Cohen } 669c1be5232SEli Cohen 670b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 671b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 672e126ba97SEli Cohen { 673e126ba97SEli Cohen int i; 674e126ba97SEli Cohen 675b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 676b037c29aSEli Cohen if (!bfregi->count[i]) { 6772f5ff264SEli Cohen bfregi->count[i]++; 678e126ba97SEli Cohen return i; 679e126ba97SEli Cohen } 680e126ba97SEli Cohen } 681e126ba97SEli Cohen 682e126ba97SEli Cohen return -ENOMEM; 683e126ba97SEli Cohen } 684e126ba97SEli Cohen 685b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 686b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 687e126ba97SEli Cohen { 68818b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 689e126ba97SEli Cohen int i; 690e126ba97SEli Cohen 69118b0362eSYishai Hadas if (minidx < 0) 69218b0362eSYishai Hadas return minidx; 69318b0362eSYishai Hadas 69418b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6952f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 696e126ba97SEli Cohen minidx = i; 6970b80c14fSEli Cohen if (!bfregi->count[minidx]) 6980b80c14fSEli Cohen break; 699e126ba97SEli Cohen } 700e126ba97SEli Cohen 7012f5ff264SEli Cohen bfregi->count[minidx]++; 702e126ba97SEli Cohen return minidx; 703e126ba97SEli Cohen } 704e126ba97SEli Cohen 705b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 706ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 707e126ba97SEli Cohen { 708ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 709e126ba97SEli Cohen 7100a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7110a2fd01cSYishai Hadas return -EINVAL; 7120a2fd01cSYishai Hadas 7132f5ff264SEli Cohen mutex_lock(&bfregi->lock); 714ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 715ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 716ffaf58deSLeon Romanovsky if (bfregn < 0) 717ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 718ffaf58deSLeon Romanovsky } 719ffaf58deSLeon Romanovsky 720ffaf58deSLeon Romanovsky if (bfregn < 0) { 7210b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 7222f5ff264SEli Cohen bfregn = 0; 7232f5ff264SEli Cohen bfregi->count[bfregn]++; 724e126ba97SEli Cohen } 7252f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 726e126ba97SEli Cohen 7272f5ff264SEli Cohen return bfregn; 728e126ba97SEli Cohen } 729e126ba97SEli Cohen 7304ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 731e126ba97SEli Cohen { 7322f5ff264SEli Cohen mutex_lock(&bfregi->lock); 733b037c29aSEli Cohen bfregi->count[bfregn]--; 7342f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 735e126ba97SEli Cohen } 736e126ba97SEli Cohen 737e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 738e126ba97SEli Cohen { 739e126ba97SEli Cohen switch (state) { 740e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 741e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 742e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 743e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 744e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 745e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 746e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 747e126ba97SEli Cohen default: return -1; 748e126ba97SEli Cohen } 749e126ba97SEli Cohen } 750e126ba97SEli Cohen 751e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 752e126ba97SEli Cohen { 753e126ba97SEli Cohen switch (type) { 754e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 755e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 756e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 757e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 758e126ba97SEli Cohen case IB_QPT_XRC_INI: 759e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 760e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 761d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 762c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 763e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 764e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 7650fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 766e126ba97SEli Cohen case IB_QPT_MAX: 767e126ba97SEli Cohen default: return -EINVAL; 768e126ba97SEli Cohen } 769e126ba97SEli Cohen } 770e126ba97SEli Cohen 77189ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 77289ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 77389ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 77489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 77589ea94a7SMaor Gottlieb 7767c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 77705f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7781ee47ab3SYishai Hadas bool dyn_bfreg) 779e126ba97SEli Cohen { 78005f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 78105f58cebSLeon Romanovsky u32 index_of_sys_page; 78205f58cebSLeon Romanovsky u32 offset; 783b037c29aSEli Cohen 7840a2fd01cSYishai Hadas if (bfregi->lib_uar_dyn) 7850a2fd01cSYishai Hadas return -EINVAL; 7860a2fd01cSYishai Hadas 787b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 788b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 789b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 790b037c29aSEli Cohen 79105f58cebSLeon Romanovsky if (dyn_bfreg) { 79205f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 79305f58cebSLeon Romanovsky 7947c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7957c043e90SYishai Hadas return -EINVAL; 7967c043e90SYishai Hadas 7971ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7981ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7991ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 8001ee47ab3SYishai Hadas return -EINVAL; 8011ee47ab3SYishai Hadas } 8021ee47ab3SYishai Hadas } 803b037c29aSEli Cohen 8041ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 805b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 806e126ba97SEli Cohen } 807e126ba97SEli Cohen 808b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 80919098df2Smajd@mellanox.com unsigned long addr, size_t size, 810b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 811b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 81219098df2Smajd@mellanox.com { 81319098df2Smajd@mellanox.com int err; 81419098df2Smajd@mellanox.com 815c320e527SMoni Shoua *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); 81619098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 81719098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 81819098df2Smajd@mellanox.com return PTR_ERR(*umem); 81919098df2Smajd@mellanox.com } 82019098df2Smajd@mellanox.com 821762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 82219098df2Smajd@mellanox.com 82319098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 82419098df2Smajd@mellanox.com if (err) { 82519098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 82619098df2Smajd@mellanox.com goto err_umem; 82719098df2Smajd@mellanox.com } 82819098df2Smajd@mellanox.com 82919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 83019098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 83119098df2Smajd@mellanox.com 83219098df2Smajd@mellanox.com return 0; 83319098df2Smajd@mellanox.com 83419098df2Smajd@mellanox.com err_umem: 83519098df2Smajd@mellanox.com ib_umem_release(*umem); 83619098df2Smajd@mellanox.com *umem = NULL; 83719098df2Smajd@mellanox.com 83819098df2Smajd@mellanox.com return err; 83919098df2Smajd@mellanox.com } 84019098df2Smajd@mellanox.com 841fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 842bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 84379b20a6cSYishai Hadas { 844bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 845bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 846bdeacabdSShamir Rabinovitch udata, 847bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 848bdeacabdSShamir Rabinovitch ibucontext); 84979b20a6cSYishai Hadas 850fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 851fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 852fe248c3aSMaor Gottlieb 85379b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 85479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 85579b20a6cSYishai Hadas } 85679b20a6cSYishai Hadas 85779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 858b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 85979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 86079b20a6cSYishai Hadas { 86189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 86289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 86379b20a6cSYishai Hadas int page_shift = 0; 86479b20a6cSYishai Hadas int npages; 86579b20a6cSYishai Hadas u32 offset = 0; 86679b20a6cSYishai Hadas int ncont = 0; 86779b20a6cSYishai Hadas int err; 86879b20a6cSYishai Hadas 86979b20a6cSYishai Hadas if (!ucmd->buf_addr) 87079b20a6cSYishai Hadas return -EINVAL; 87179b20a6cSYishai Hadas 872c320e527SMoni Shoua rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 87379b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 87479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 87579b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 87679b20a6cSYishai Hadas return err; 87779b20a6cSYishai Hadas } 87879b20a6cSYishai Hadas 879762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 88079b20a6cSYishai Hadas &ncont, NULL); 88179b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 88279b20a6cSYishai Hadas &rwq->rq_page_offset); 88379b20a6cSYishai Hadas if (err) { 88479b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 88579b20a6cSYishai Hadas goto err_umem; 88679b20a6cSYishai Hadas } 88779b20a6cSYishai Hadas 88879b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 88979b20a6cSYishai Hadas rwq->page_shift = page_shift; 89079b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 89179b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 89279b20a6cSYishai Hadas 89379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 89479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 89579b20a6cSYishai Hadas npages, page_shift, ncont, offset); 89679b20a6cSYishai Hadas 89789944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 89879b20a6cSYishai Hadas if (err) { 89979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 90079b20a6cSYishai Hadas goto err_umem; 90179b20a6cSYishai Hadas } 90279b20a6cSYishai Hadas 90379b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 90479b20a6cSYishai Hadas return 0; 90579b20a6cSYishai Hadas 90679b20a6cSYishai Hadas err_umem: 90779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 90879b20a6cSYishai Hadas return err; 90979b20a6cSYishai Hadas } 91079b20a6cSYishai Hadas 911b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 912b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 913b037c29aSEli Cohen { 914b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 915b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 916b037c29aSEli Cohen } 917b037c29aSEli Cohen 918e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 919e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 9200fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 92109a7d9ecSSaeed Mahameed u32 **in, 92219098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 92319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 924e126ba97SEli Cohen { 925e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 926e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 92719098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 9289e9c47d0SEli Cohen int page_shift = 0; 9291ee47ab3SYishai Hadas int uar_index = 0; 930e126ba97SEli Cohen int npages; 9319e9c47d0SEli Cohen u32 offset = 0; 9322f5ff264SEli Cohen int bfregn; 9339e9c47d0SEli Cohen int ncont = 0; 93409a7d9ecSSaeed Mahameed __be64 *pas; 93509a7d9ecSSaeed Mahameed void *qpc; 936e126ba97SEli Cohen int err; 9375aa3771dSYishai Hadas u16 uid; 938ac42a5eeSYishai Hadas u32 uar_flags; 939e126ba97SEli Cohen 940e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 941e126ba97SEli Cohen if (err) { 942e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 943e126ba97SEli Cohen return err; 944e126ba97SEli Cohen } 945e126ba97SEli Cohen 94689944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 94789944450SShamir Rabinovitch ibucontext); 948ac42a5eeSYishai Hadas uar_flags = ucmd.flags & (MLX5_QP_FLAG_UAR_PAGE_INDEX | 949ac42a5eeSYishai Hadas MLX5_QP_FLAG_BFREG_INDEX); 950ac42a5eeSYishai Hadas switch (uar_flags) { 951ac42a5eeSYishai Hadas case MLX5_QP_FLAG_UAR_PAGE_INDEX: 952ac42a5eeSYishai Hadas uar_index = ucmd.bfreg_index; 953ac42a5eeSYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 954ac42a5eeSYishai Hadas break; 955ac42a5eeSYishai Hadas case MLX5_QP_FLAG_BFREG_INDEX: 9561ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 9571ee47ab3SYishai Hadas ucmd.bfreg_index, true); 9581ee47ab3SYishai Hadas if (uar_index < 0) 9591ee47ab3SYishai Hadas return uar_index; 9601ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 961ac42a5eeSYishai Hadas break; 962ac42a5eeSYishai Hadas case 0: 9632be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 964ac42a5eeSYishai Hadas return -EINVAL; 965ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 966ffaf58deSLeon Romanovsky if (bfregn < 0) 9672f5ff264SEli Cohen return bfregn; 968ac42a5eeSYishai Hadas break; 969ac42a5eeSYishai Hadas default: 970ac42a5eeSYishai Hadas return -EINVAL; 971e126ba97SEli Cohen } 972e126ba97SEli Cohen 9732f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9741ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9751ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9761ee47ab3SYishai Hadas false); 977e126ba97SEli Cohen 97848fea837SHaggai Eran qp->rq.offset = 0; 97948fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 98048fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 98148fea837SHaggai Eran 9820fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 983e126ba97SEli Cohen if (err) 9842f5ff264SEli Cohen goto err_bfreg; 985e126ba97SEli Cohen 98619098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 98719098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 988b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 989b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 990b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 99119098df2Smajd@mellanox.com if (err) 9922f5ff264SEli Cohen goto err_bfreg; 9939e9c47d0SEli Cohen } else { 99419098df2Smajd@mellanox.com ubuffer->umem = NULL; 9959e9c47d0SEli Cohen } 996e126ba97SEli Cohen 99709a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 99809a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9991b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1000e126ba97SEli Cohen if (!*in) { 1001e126ba97SEli Cohen err = -ENOMEM; 1002e126ba97SEli Cohen goto err_umem; 1003e126ba97SEli Cohen } 1004e126ba97SEli Cohen 10057422edceSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT && 10067422edceSYishai Hadas attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 10075aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 100809a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 100909a7d9ecSSaeed Mahameed if (ubuffer->umem) 101009a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 101109a7d9ecSSaeed Mahameed 101209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 101309a7d9ecSSaeed Mahameed 101409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 101509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 101609a7d9ecSSaeed Mahameed 101709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 10181ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 1019b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 10201ee47ab3SYishai Hadas else 10211ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 10222f5ff264SEli Cohen qp->bfregn = bfregn; 1023e126ba97SEli Cohen 1024b0ea0fa5SJason Gunthorpe err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); 1025e126ba97SEli Cohen if (err) { 1026e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 1027e126ba97SEli Cohen goto err_free; 1028e126ba97SEli Cohen } 1029e126ba97SEli Cohen 103041d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 1031e126ba97SEli Cohen if (err) { 1032e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1033e126ba97SEli Cohen goto err_unmap; 1034e126ba97SEli Cohen } 1035e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 1036e126ba97SEli Cohen 1037e126ba97SEli Cohen return 0; 1038e126ba97SEli Cohen 1039e126ba97SEli Cohen err_unmap: 1040e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 1041e126ba97SEli Cohen 1042e126ba97SEli Cohen err_free: 1043479163f4SAl Viro kvfree(*in); 1044e126ba97SEli Cohen 1045e126ba97SEli Cohen err_umem: 104619098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 1047e126ba97SEli Cohen 10482f5ff264SEli Cohen err_bfreg: 10491ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 10504ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 1051e126ba97SEli Cohen return err; 1052e126ba97SEli Cohen } 1053e126ba97SEli Cohen 1054b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1055bdeacabdSShamir Rabinovitch struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, 1056bdeacabdSShamir Rabinovitch struct ib_udata *udata) 1057e126ba97SEli Cohen { 1058bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 1059bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 1060bdeacabdSShamir Rabinovitch udata, 1061bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 1062bdeacabdSShamir Rabinovitch ibucontext); 1063e126ba97SEli Cohen 1064e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 106519098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10661ee47ab3SYishai Hadas 10671ee47ab3SYishai Hadas /* 10681ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10691ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10701ee47ab3SYishai Hadas */ 10711ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10724ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1073e126ba97SEli Cohen } 1074e126ba97SEli Cohen 107534f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 107634f4c955SGuy Levi * 107734f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 107834f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 107934f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 108034f4c955SGuy Levi * simply should check if it gets to an edge. 108134f4c955SGuy Levi * 108234f4c955SGuy Levi * @sq - SQ buffer. 108334f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 108434f4c955SGuy Levi * 108534f4c955SGuy Levi * Return: 108634f4c955SGuy Levi * The new edge. 108734f4c955SGuy Levi */ 108834f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 108934f4c955SGuy Levi { 109034f4c955SGuy Levi void *fragment_end; 109134f4c955SGuy Levi 109234f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 109334f4c955SGuy Levi (&sq->fbc, 109434f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 109534f4c955SGuy Levi 109634f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 109734f4c955SGuy Levi } 109834f4c955SGuy Levi 1099e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 1100e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1101e126ba97SEli Cohen struct mlx5_ib_qp *qp, 110209a7d9ecSSaeed Mahameed u32 **in, int *inlen, 110319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1104e126ba97SEli Cohen { 1105e126ba97SEli Cohen int uar_index; 110609a7d9ecSSaeed Mahameed void *qpc; 1107e126ba97SEli Cohen int err; 1108e126ba97SEli Cohen 1109e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 11105fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 11112978975cSLeon Romanovsky else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) 111211f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 11135fe9dec0SEli Cohen else 11145fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1115e126ba97SEli Cohen 1116d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1117d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1118d8030b0dSEli Cohen */ 1119d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 11205fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1121e126ba97SEli Cohen 1122e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1123e126ba97SEli Cohen if (err < 0) { 1124e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11255fe9dec0SEli Cohen return err; 1126e126ba97SEli Cohen } 1127e126ba97SEli Cohen 1128e126ba97SEli Cohen qp->rq.offset = 0; 1129e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 113019098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1131e126ba97SEli Cohen 113234f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 113334f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1134e126ba97SEli Cohen if (err) { 1135e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 11365fe9dec0SEli Cohen return err; 1137e126ba97SEli Cohen } 1138e126ba97SEli Cohen 113934f4c955SGuy Levi if (qp->rq.wqe_cnt) 114034f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 114134f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 114234f4c955SGuy Levi 114334f4c955SGuy Levi if (qp->sq.wqe_cnt) { 114434f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 114534f4c955SGuy Levi MLX5_SEND_WQE_BB; 114634f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 114734f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 114834f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 114934f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 115034f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 115134f4c955SGuy Levi 115234f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 115334f4c955SGuy Levi } 115434f4c955SGuy Levi 115509a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 115609a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 11571b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1158e126ba97SEli Cohen if (!*in) { 1159e126ba97SEli Cohen err = -ENOMEM; 1160e126ba97SEli Cohen goto err_buf; 1161e126ba97SEli Cohen } 116209a7d9ecSSaeed Mahameed 116309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 116409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 116509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 116609a7d9ecSSaeed Mahameed 1167e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 116809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 116909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1170e126ba97SEli Cohen 11712978975cSLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 117209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 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) || 12348bde2c50SLeon Romanovsky (qp->qp_sub_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 12430fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1244c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 12451cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 12461cd6dbd3SYishai Hadas struct ib_pd *pd) 12470fb2ed66Smajd@mellanox.com { 1248e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; 12490fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 12500fb2ed66Smajd@mellanox.com 12511cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 12520fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 12532be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 1254c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1255c2e53b2cSYishai Hadas 1256e0b4b472SLeon Romanovsky return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); 12570fb2ed66Smajd@mellanox.com } 12580fb2ed66Smajd@mellanox.com 12590fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 12601cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 12610fb2ed66Smajd@mellanox.com { 12621cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 12630fb2ed66Smajd@mellanox.com } 12640fb2ed66Smajd@mellanox.com 1265d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1266b96c9ddeSMark Bloch { 1267b96c9ddeSMark Bloch if (sq->flow_rule) 1268b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1269d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1270b96c9ddeSMark Bloch } 1271b96c9ddeSMark Bloch 12720fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1273b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12740fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12750fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12760fb2ed66Smajd@mellanox.com { 12770fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12780fb2ed66Smajd@mellanox.com __be64 *pas; 12790fb2ed66Smajd@mellanox.com void *in; 12800fb2ed66Smajd@mellanox.com void *sqc; 12810fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12820fb2ed66Smajd@mellanox.com void *wq; 12830fb2ed66Smajd@mellanox.com int inlen; 12840fb2ed66Smajd@mellanox.com int err; 12850fb2ed66Smajd@mellanox.com int page_shift = 0; 12860fb2ed66Smajd@mellanox.com int npages; 12870fb2ed66Smajd@mellanox.com int ncont = 0; 12880fb2ed66Smajd@mellanox.com u32 offset = 0; 12890fb2ed66Smajd@mellanox.com 1290b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1291b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1292b0ea0fa5SJason Gunthorpe &offset); 12930fb2ed66Smajd@mellanox.com if (err) 12940fb2ed66Smajd@mellanox.com return err; 12950fb2ed66Smajd@mellanox.com 12960fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12971b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12980fb2ed66Smajd@mellanox.com if (!in) { 12990fb2ed66Smajd@mellanox.com err = -ENOMEM; 13000fb2ed66Smajd@mellanox.com goto err_umem; 13010fb2ed66Smajd@mellanox.com } 13020fb2ed66Smajd@mellanox.com 1303c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 13040fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 13050fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1306795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1307795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 13080fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 13090fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13100fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 13110fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 13120fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 131396dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 131496dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 131596dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 13160fb2ed66Smajd@mellanox.com 13170fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 13180fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 13190fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13200fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 13210fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13220fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 13230fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 13240fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 13250fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 13260fb2ed66Smajd@mellanox.com 13270fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13280fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 13290fb2ed66Smajd@mellanox.com 1330333fbaa0SLeon Romanovsky err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); 13310fb2ed66Smajd@mellanox.com 13320fb2ed66Smajd@mellanox.com kvfree(in); 13330fb2ed66Smajd@mellanox.com 13340fb2ed66Smajd@mellanox.com if (err) 13350fb2ed66Smajd@mellanox.com goto err_umem; 13360fb2ed66Smajd@mellanox.com 13370fb2ed66Smajd@mellanox.com return 0; 13380fb2ed66Smajd@mellanox.com 13390fb2ed66Smajd@mellanox.com err_umem: 13400fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13410fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 13420fb2ed66Smajd@mellanox.com 13430fb2ed66Smajd@mellanox.com return err; 13440fb2ed66Smajd@mellanox.com } 13450fb2ed66Smajd@mellanox.com 13460fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 13470fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13480fb2ed66Smajd@mellanox.com { 1349d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 1350333fbaa0SLeon Romanovsky mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); 13510fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13520fb2ed66Smajd@mellanox.com } 13530fb2ed66Smajd@mellanox.com 13542c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 13550fb2ed66Smajd@mellanox.com { 13560fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 13570fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 13580fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 13590fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 13600fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 13610fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 13620fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 13630fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 13640fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 13650fb2ed66Smajd@mellanox.com 13660fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 13670fb2ed66Smajd@mellanox.com } 13680fb2ed66Smajd@mellanox.com 13690fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13702c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 137134d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 13720fb2ed66Smajd@mellanox.com { 1373358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13740fb2ed66Smajd@mellanox.com __be64 *pas; 13750fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13760fb2ed66Smajd@mellanox.com void *in; 13770fb2ed66Smajd@mellanox.com void *rqc; 13780fb2ed66Smajd@mellanox.com void *wq; 13790fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13802c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13812c292dbbSBoris Pismenny size_t inlen; 13820fb2ed66Smajd@mellanox.com int err; 13832c292dbbSBoris Pismenny 13842c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13852c292dbbSBoris Pismenny return -EINVAL; 13860fb2ed66Smajd@mellanox.com 13870fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13881b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13890fb2ed66Smajd@mellanox.com if (!in) 13900fb2ed66Smajd@mellanox.com return -ENOMEM; 13910fb2ed66Smajd@mellanox.com 139234d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13930fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1394e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13950fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13960fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13970fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13980fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13990fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 14000fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 14010fb2ed66Smajd@mellanox.com 14022be08c30SLeon Romanovsky if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) 1403358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1404358e42eaSMajd Dibbiny 14050fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 14060fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1407b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1408b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 14090fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 14100fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 14110fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 14120fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 14130fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 14140fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 14150fb2ed66Smajd@mellanox.com 14160fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 14170fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 14180fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 14190fb2ed66Smajd@mellanox.com 1420333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); 14210fb2ed66Smajd@mellanox.com 14220fb2ed66Smajd@mellanox.com kvfree(in); 14230fb2ed66Smajd@mellanox.com 14240fb2ed66Smajd@mellanox.com return err; 14250fb2ed66Smajd@mellanox.com } 14260fb2ed66Smajd@mellanox.com 14270fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 14280fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 14290fb2ed66Smajd@mellanox.com { 1430333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); 14310fb2ed66Smajd@mellanox.com } 14320fb2ed66Smajd@mellanox.com 1433f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1434f95ef6cbSMaor Gottlieb { 1435f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1436f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1437f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1438f95ef6cbSMaor Gottlieb } 1439f95ef6cbSMaor Gottlieb 14400042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 14410042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1442443c1cf9SYishai Hadas u32 qp_flags_en, 1443443c1cf9SYishai Hadas struct ib_pd *pd) 14440042f9e4SMark Bloch { 14450042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14460042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14470042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1448443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14490042f9e4SMark Bloch } 14500042f9e4SMark Bloch 14510fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1452f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1453e0b4b472SLeon Romanovsky u32 *qp_flags_en, struct ib_pd *pd, 1454e0b4b472SLeon Romanovsky u32 *out) 14550fb2ed66Smajd@mellanox.com { 1456175edba8SMark Bloch u8 lb_flag = 0; 14570fb2ed66Smajd@mellanox.com u32 *in; 14580fb2ed66Smajd@mellanox.com void *tirc; 14590fb2ed66Smajd@mellanox.com int inlen; 14600fb2ed66Smajd@mellanox.com int err; 14610fb2ed66Smajd@mellanox.com 14620fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14631b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14640fb2ed66Smajd@mellanox.com if (!in) 14650fb2ed66Smajd@mellanox.com return -ENOMEM; 14660fb2ed66Smajd@mellanox.com 1467443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14680fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14690fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14700fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14710fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1472175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1473f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14740fb2ed66Smajd@mellanox.com 1475175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1476175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1477175edba8SMark Bloch 1478175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1479175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1480175edba8SMark Bloch 14816a4d00beSMark Bloch if (dev->is_rep) { 1482175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1483175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1484175edba8SMark Bloch } 1485175edba8SMark Bloch 1486175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1487e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1488e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 14891f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 14900042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14910042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14920042f9e4SMark Bloch 14930042f9e4SMark Bloch if (err) 1494443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14950042f9e4SMark Bloch } 14960fb2ed66Smajd@mellanox.com kvfree(in); 14970fb2ed66Smajd@mellanox.com 14980fb2ed66Smajd@mellanox.com return err; 14990fb2ed66Smajd@mellanox.com } 15000fb2ed66Smajd@mellanox.com 15010fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 15022c292dbbSBoris Pismenny u32 *in, size_t inlen, 15037f72052cSYishai Hadas struct ib_pd *pd, 15047f72052cSYishai Hadas struct ib_udata *udata, 15057f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 15060fb2ed66Smajd@mellanox.com { 15070fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15080fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15090fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 151089944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 151189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 15120fb2ed66Smajd@mellanox.com int err; 15130fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 15147f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 15151f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 15160fb2ed66Smajd@mellanox.com 15170fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15181cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 15190fb2ed66Smajd@mellanox.com if (err) 15200fb2ed66Smajd@mellanox.com return err; 15210fb2ed66Smajd@mellanox.com 1522b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 15230fb2ed66Smajd@mellanox.com if (err) 15240fb2ed66Smajd@mellanox.com goto err_destroy_tis; 15250fb2ed66Smajd@mellanox.com 15267f72052cSYishai Hadas if (uid) { 15277f72052cSYishai Hadas resp->tisn = sq->tisn; 15287f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 15297f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 15307f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 15317f72052cSYishai Hadas } 15327f72052cSYishai Hadas 15330fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 15341d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 15350fb2ed66Smajd@mellanox.com } 15360fb2ed66Smajd@mellanox.com 15370fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1538358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1539358e42eaSMajd Dibbiny 15402be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) 1541e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 15422be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) 1543b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 154434d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 15450fb2ed66Smajd@mellanox.com if (err) 15460fb2ed66Smajd@mellanox.com goto err_destroy_sq; 15470fb2ed66Smajd@mellanox.com 1548e0b4b472SLeon Romanovsky err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, 1549e0b4b472SLeon Romanovsky out); 15500fb2ed66Smajd@mellanox.com if (err) 15510fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15527f72052cSYishai Hadas 15537f72052cSYishai Hadas if (uid) { 15547f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15557f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15567f72052cSYishai Hadas resp->tirn = rq->tirn; 15577f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 15581f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 15591f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15601f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15611f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15621f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15631f1d6abbSAriel Levkovich icm_address_39_32) 15641f1d6abbSAriel Levkovich << 32; 15651f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15661f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15671f1d6abbSAriel Levkovich icm_address_63_40) 15681f1d6abbSAriel Levkovich << 40; 15691f1d6abbSAriel Levkovich resp->comp_mask |= 15701f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15711f1d6abbSAriel Levkovich } 15727f72052cSYishai Hadas } 15730fb2ed66Smajd@mellanox.com } 15740fb2ed66Smajd@mellanox.com 15750fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15760fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15777f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 15787f72052cSYishai Hadas if (err) 15797f72052cSYishai Hadas goto err_destroy_tir; 15800fb2ed66Smajd@mellanox.com 15810fb2ed66Smajd@mellanox.com return 0; 15820fb2ed66Smajd@mellanox.com 15837f72052cSYishai Hadas err_destroy_tir: 15847f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 15850fb2ed66Smajd@mellanox.com err_destroy_rq: 15860fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15870fb2ed66Smajd@mellanox.com err_destroy_sq: 15880fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15890fb2ed66Smajd@mellanox.com return err; 15900fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15910fb2ed66Smajd@mellanox.com err_destroy_tis: 15921cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15930fb2ed66Smajd@mellanox.com 15940fb2ed66Smajd@mellanox.com return err; 15950fb2ed66Smajd@mellanox.com } 15960fb2ed66Smajd@mellanox.com 15970fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15980fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15990fb2ed66Smajd@mellanox.com { 16000fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 16010fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16020fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16030fb2ed66Smajd@mellanox.com 16040fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1605443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 16060fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 16070fb2ed66Smajd@mellanox.com } 16080fb2ed66Smajd@mellanox.com 16090fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 16100fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 16111cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 16120fb2ed66Smajd@mellanox.com } 16130fb2ed66Smajd@mellanox.com } 16140fb2ed66Smajd@mellanox.com 16150fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 16160fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 16170fb2ed66Smajd@mellanox.com { 16180fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 16190fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 16200fb2ed66Smajd@mellanox.com 16210fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 16220fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 16230fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 16240fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 16250fb2ed66Smajd@mellanox.com } 16260fb2ed66Smajd@mellanox.com 162728d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 162828d61370SYishai Hadas { 16290042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 16300042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 16310042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1632443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1633443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 163428d61370SYishai Hadas } 163528d61370SYishai Hadas 16365d0dc3d9SLeon Romanovsky static int create_rss_raw_qp_tir(struct ib_pd *pd, struct mlx5_ib_qp *qp, 163728d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 163828d61370SYishai Hadas struct ib_udata *udata) 163928d61370SYishai Hadas { 164089944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 164189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 16425d0dc3d9SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(pd->device); 164328d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 164428d61370SYishai Hadas int inlen; 16451f1d6abbSAriel Levkovich int outlen; 164628d61370SYishai Hadas int err; 164728d61370SYishai Hadas u32 *in; 16481f1d6abbSAriel Levkovich u32 *out; 164928d61370SYishai Hadas void *tirc; 165028d61370SYishai Hadas void *hfso; 165128d61370SYishai Hadas u32 selected_fields = 0; 16522d93fc85SMatan Barak u32 outer_l4; 165328d61370SYishai Hadas size_t min_resp_len; 165428d61370SYishai Hadas u32 tdn = mucontext->tdn; 165528d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 165628d61370SYishai Hadas size_t required_cmd_sz; 1657175edba8SMark Bloch u8 lb_flag = 0; 165828d61370SYishai Hadas 16592978975cSLeon Romanovsky if (init_attr->send_cq) 166028d61370SYishai Hadas return -EINVAL; 166128d61370SYishai Hadas 16622f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 166328d61370SYishai Hadas if (udata->outlen < min_resp_len) 166428d61370SYishai Hadas return -EINVAL; 166528d61370SYishai Hadas 1666f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 166728d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 166828d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 166928d61370SYishai Hadas return -EINVAL; 167028d61370SYishai Hadas } 167128d61370SYishai Hadas 167228d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 167328d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 167428d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 167528d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 167628d61370SYishai Hadas return -EOPNOTSUPP; 167728d61370SYishai Hadas } 167828d61370SYishai Hadas 167928d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 168028d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 168128d61370SYishai Hadas return -EFAULT; 168228d61370SYishai Hadas } 168328d61370SYishai Hadas 168428d61370SYishai Hadas if (ucmd.comp_mask) { 168528d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 168628d61370SYishai Hadas return -EOPNOTSUPP; 168728d61370SYishai Hadas } 168828d61370SYishai Hadas 1689175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1690175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1691175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1692f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1693f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1694f95ef6cbSMaor Gottlieb } 1695f95ef6cbSMaor Gottlieb 1696f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1697f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1698f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 169928d61370SYishai Hadas return -EOPNOTSUPP; 170028d61370SYishai Hadas } 170128d61370SYishai Hadas 1702309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1703309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1704309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1705309fa347SMaor Gottlieb return -EOPNOTSUPP; 1706309fa347SMaor Gottlieb } 1707309fa347SMaor Gottlieb 17086a4d00beSMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { 1709175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1710175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1711175edba8SMark Bloch } 1712175edba8SMark Bloch 1713175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1714175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1715175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1716175edba8SMark Bloch } 1717175edba8SMark Bloch 171841d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 171928d61370SYishai Hadas if (err) { 172028d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 172128d61370SYishai Hadas return -EINVAL; 172228d61370SYishai Hadas } 172328d61370SYishai Hadas 172428d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 17251f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 17261f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 172728d61370SYishai Hadas if (!in) 172828d61370SYishai Hadas return -ENOMEM; 172928d61370SYishai Hadas 17301f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1731443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 173228d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 173328d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 173428d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 173528d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 173628d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 173728d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 173828d61370SYishai Hadas 173928d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1740f95ef6cbSMaor Gottlieb 1741f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1742f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1743f95ef6cbSMaor Gottlieb 1744175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1745175edba8SMark Bloch 1746309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1747309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1748309fa347SMaor Gottlieb else 1749309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1750309fa347SMaor Gottlieb 175128d61370SYishai Hadas switch (ucmd.rx_hash_function) { 175228d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 175328d61370SYishai Hadas { 175428d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 175528d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 175628d61370SYishai Hadas 175728d61370SYishai Hadas if (len != ucmd.rx_key_len) { 175828d61370SYishai Hadas err = -EINVAL; 175928d61370SYishai Hadas goto err; 176028d61370SYishai Hadas } 176128d61370SYishai Hadas 176228d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 176328d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 176428d61370SYishai Hadas break; 176528d61370SYishai Hadas } 176628d61370SYishai Hadas default: 176728d61370SYishai Hadas err = -EOPNOTSUPP; 176828d61370SYishai Hadas goto err; 176928d61370SYishai Hadas } 177028d61370SYishai Hadas 177128d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 177228d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 177328d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 177428d61370SYishai Hadas goto create_tir; 177528d61370SYishai Hadas err = -EINVAL; 177628d61370SYishai Hadas goto err; 177728d61370SYishai Hadas } 177828d61370SYishai Hadas 177928d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 178028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 178128d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 178228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 178328d61370SYishai Hadas err = -EINVAL; 178428d61370SYishai Hadas goto err; 178528d61370SYishai Hadas } 178628d61370SYishai Hadas 178728d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 178828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 178928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 179028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 179128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 179228d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 179328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 179428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 179528d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 179628d61370SYishai Hadas 17972d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17982d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 179928d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 18002d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 18012d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 18022d93fc85SMatan Barak 18032d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 18042d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 180528d61370SYishai Hadas err = -EINVAL; 180628d61370SYishai Hadas goto err; 180728d61370SYishai Hadas } 180828d61370SYishai Hadas 180928d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 181028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 181128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 181228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 181328d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 181428d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 181528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 181628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 181728d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 181828d61370SYishai Hadas 181928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 182028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 182128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 182228d61370SYishai Hadas 182328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 182428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 182528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 182628d61370SYishai Hadas 182728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 182828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 182928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 183028d61370SYishai Hadas 183128d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 183228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 183328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 183428d61370SYishai Hadas 18352d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 18362d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 18372d93fc85SMatan Barak 183828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 183928d61370SYishai Hadas 184028d61370SYishai Hadas create_tir: 1841e0b4b472SLeon Romanovsky MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); 1842e0b4b472SLeon Romanovsky err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); 184328d61370SYishai Hadas 18441f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 18450042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 18460042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 18470042f9e4SMark Bloch 18480042f9e4SMark Bloch if (err) 1849443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1850443c1cf9SYishai Hadas to_mpd(pd)->uid); 18510042f9e4SMark Bloch } 18520042f9e4SMark Bloch 185328d61370SYishai Hadas if (err) 185428d61370SYishai Hadas goto err; 185528d61370SYishai Hadas 18567f72052cSYishai Hadas if (mucontext->devx_uid) { 18577f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 18587f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 18591f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 18601f1d6abbSAriel Levkovich resp.tir_icm_addr = 18611f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 18621f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18631f1d6abbSAriel Levkovich icm_address_39_32) 18641f1d6abbSAriel Levkovich << 32; 18651f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18661f1d6abbSAriel Levkovich icm_address_63_40) 18671f1d6abbSAriel Levkovich << 40; 18681f1d6abbSAriel Levkovich resp.comp_mask |= 18691f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18701f1d6abbSAriel Levkovich } 18717f72052cSYishai Hadas } 18727f72052cSYishai Hadas 18737f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 18747f72052cSYishai Hadas if (err) 18757f72052cSYishai Hadas goto err_copy; 18767f72052cSYishai Hadas 187728d61370SYishai Hadas kvfree(in); 187828d61370SYishai Hadas /* qpn is reserved for that QP */ 187928d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 18802be08c30SLeon Romanovsky qp->is_rss = true; 188128d61370SYishai Hadas return 0; 188228d61370SYishai Hadas 18837f72052cSYishai Hadas err_copy: 18847f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 188528d61370SYishai Hadas err: 188628d61370SYishai Hadas kvfree(in); 188728d61370SYishai Hadas return err; 188828d61370SYishai Hadas } 188928d61370SYishai Hadas 18905d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 18915d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18926f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 18935d6ff1baSYonatan Cohen void *qpc) 18945d6ff1baSYonatan Cohen { 18955d6ff1baSYonatan Cohen int scqe_sz; 18962ab367a7Szhengbin bool allow_scat_cqe = false; 18975d6ff1baSYonatan Cohen 18986f4bc0eaSYonatan Cohen if (ucmd) 18996f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 19006f4bc0eaSYonatan Cohen 19016f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 19025d6ff1baSYonatan Cohen return; 19035d6ff1baSYonatan Cohen 19045d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 19055d6ff1baSYonatan Cohen if (scqe_sz == 128) { 19065d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 19075d6ff1baSYonatan Cohen return; 19085d6ff1baSYonatan Cohen } 19095d6ff1baSYonatan Cohen 19105d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 19115d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 19125d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 19135d6ff1baSYonatan Cohen } 19145d6ff1baSYonatan Cohen 1915a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1916a60109dcSYonatan Cohen { 1917a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1918a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1919a60109dcSYonatan Cohen */ 1920a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1921a60109dcSYonatan Cohen int log_max_size; 1922a60109dcSYonatan Cohen 1923a60109dcSYonatan Cohen if (!supported_size_mask) 1924a60109dcSYonatan Cohen return -EOPNOTSUPP; 1925a60109dcSYonatan Cohen 1926a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1927a60109dcSYonatan Cohen 1928a60109dcSYonatan Cohen if (log_max_size > 3) 1929a60109dcSYonatan Cohen return log_max_size; 1930a60109dcSYonatan Cohen 1931a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1932a60109dcSYonatan Cohen } 1933a60109dcSYonatan Cohen 1934a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1935a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1936a60109dcSYonatan Cohen { 1937a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1938a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1939a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1940a60109dcSYonatan Cohen int atomic_size_mask; 1941a60109dcSYonatan Cohen 1942a60109dcSYonatan Cohen if (!atomic) 1943a60109dcSYonatan Cohen return -EOPNOTSUPP; 1944a60109dcSYonatan Cohen 1945a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1946a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1947a60109dcSYonatan Cohen else 1948a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1949a60109dcSYonatan Cohen 1950a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1951a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1952a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1953a60109dcSYonatan Cohen 1954a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1955a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1956a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1957a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1958a60109dcSYonatan Cohen 1959a60109dcSYonatan Cohen return atomic_mode; 1960a60109dcSYonatan Cohen } 1961a60109dcSYonatan Cohen 19622e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 19632e43bb31SYonatan Cohen { 19642e43bb31SYonatan Cohen return (input & ~supported) == 0; 19652e43bb31SYonatan Cohen } 19662e43bb31SYonatan Cohen 1967e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1968e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 19692dfac92dSLeon Romanovsky struct mlx5_ib_create_qp *ucmd, 1970e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1971e126ba97SEli Cohen { 1972e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 197309a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1974938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 19750625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 197689944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 197789944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 197889ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 197989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 198089ea94a7SMaor Gottlieb unsigned long flags; 1981cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 198209a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1983e7b169f3SNoa Osherovich int mlx5_st; 1984cfb5e088SHaggai Abramovsky void *qpc; 198509a7d9ecSSaeed Mahameed u32 *in; 198609a7d9ecSSaeed Mahameed int err; 1987e126ba97SEli Cohen 1988e126ba97SEli Cohen mutex_init(&qp->mutex); 1989e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1990e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1991e126ba97SEli Cohen 19928bde2c50SLeon Romanovsky mlx5_st = to_mlx5_st((init_attr->qp_type != IB_QPT_DRIVER) ? 19938bde2c50SLeon Romanovsky init_attr->qp_type : 19948bde2c50SLeon Romanovsky qp->qp_sub_type); 1995e7b169f3SNoa Osherovich if (mlx5_st < 0) 1996e7b169f3SNoa Osherovich return -EINVAL; 1997e7b169f3SNoa Osherovich 1998e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1999e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 2000e126ba97SEli Cohen 2001e00b64f7SShamir Rabinovitch if (udata) { 20022dfac92dSLeon Romanovsky if (!check_flags_mask(ucmd->flags, 2003569c6651SDanit Goldberg MLX5_QP_FLAG_ALLOW_SCATTER_CQE | 20048af526e0SMark Bloch MLX5_QP_FLAG_BFREG_INDEX | 20058af526e0SMark Bloch MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | 20068af526e0SMark Bloch MLX5_QP_FLAG_SCATTER_CQE | 20078af526e0SMark Bloch MLX5_QP_FLAG_SIGNATURE | 20088af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | 20098af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 20108af526e0SMark Bloch MLX5_QP_FLAG_TUNNEL_OFFLOADS | 2011ac42a5eeSYishai Hadas MLX5_QP_FLAG_UAR_PAGE_INDEX | 20128af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCI | 20138af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCT)) 20142e43bb31SYonatan Cohen return -EINVAL; 20152e43bb31SYonatan Cohen 20162dfac92dSLeon Romanovsky err = get_qp_user_index(ucontext, ucmd, udata->inlen, &uidx); 2017cfb5e088SHaggai Abramovsky if (err) 2018cfb5e088SHaggai Abramovsky return err; 2019cfb5e088SHaggai Abramovsky 2020c95e6d53SLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_SIGNATURE) 2021c95e6d53SLeon Romanovsky qp->flags_en |= MLX5_QP_FLAG_SIGNATURE; 202290ecb37aSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE && 202390ecb37aSLeon Romanovsky MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 202490ecb37aSLeon Romanovsky qp->flags_en |= MLX5_QP_FLAG_SCATTER_CQE; 202590ecb37aSLeon Romanovsky 20262dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 2027f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 2028f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 2029f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 2030f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 2031f95ef6cbSMaor Gottlieb } 2032175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 2033175edba8SMark Bloch } 2034175edba8SMark Bloch 20352dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 2036175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2037175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 2038175edba8SMark Bloch return -EOPNOTSUPP; 2039175edba8SMark Bloch } 2040175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 2041175edba8SMark Bloch } 2042175edba8SMark Bloch 20432dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 2044175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2045175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 2046175edba8SMark Bloch return -EOPNOTSUPP; 2047175edba8SMark Bloch } 2048175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 2049f95ef6cbSMaor Gottlieb } 2050c2e53b2cSYishai Hadas 20512dfac92dSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { 2052569c6651SDanit Goldberg if (init_attr->qp_type != IB_QPT_RC || 2053569c6651SDanit Goldberg !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { 2054569c6651SDanit Goldberg mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); 2055569c6651SDanit Goldberg return -EOPNOTSUPP; 2056569c6651SDanit Goldberg } 20572be08c30SLeon Romanovsky qp->flags_en |= MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE; 2058569c6651SDanit Goldberg } 2059e126ba97SEli Cohen } 2060e126ba97SEli Cohen 20612978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 20622978975cSLeon Romanovsky qp->underlay_qpn = init_attr->source_qpn; 20632978975cSLeon Romanovsky 2064c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 20652be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 2066c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2067c2e53b2cSYishai Hadas &qp->trans_qp.base; 2068c2e53b2cSYishai Hadas 2069e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 20702dfac92dSLeon Romanovsky err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); 2071e126ba97SEli Cohen if (err) { 2072e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2073e126ba97SEli Cohen return err; 2074e126ba97SEli Cohen } 2075e126ba97SEli Cohen 2076e126ba97SEli Cohen if (pd) { 2077e00b64f7SShamir Rabinovitch if (udata) { 2078938fe83cSSaeed Mahameed __u32 max_wqes = 2079938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 20802dfac92dSLeon Romanovsky mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", 20812dfac92dSLeon Romanovsky ucmd->sq_wqe_count); 20822dfac92dSLeon Romanovsky if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || 20832dfac92dSLeon Romanovsky ucmd->rq_wqe_count != qp->rq.wqe_cnt) { 2084e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 2085e126ba97SEli Cohen return -EINVAL; 2086e126ba97SEli Cohen } 20872dfac92dSLeon Romanovsky if (ucmd->sq_wqe_count > max_wqes) { 2088e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 20892dfac92dSLeon Romanovsky ucmd->sq_wqe_count, max_wqes); 2090e126ba97SEli Cohen return -EINVAL; 2091e126ba97SEli Cohen } 20920fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 20930fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2094e126ba97SEli Cohen if (err) 2095e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2096e126ba97SEli Cohen } else { 209719098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 209819098df2Smajd@mellanox.com base); 2099e126ba97SEli Cohen if (err) 2100e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2101e126ba97SEli Cohen } 2102e126ba97SEli Cohen 2103e126ba97SEli Cohen if (err) 2104e126ba97SEli Cohen return err; 2105e126ba97SEli Cohen } else { 21061b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2107e126ba97SEli Cohen if (!in) 2108e126ba97SEli Cohen return -ENOMEM; 2109e126ba97SEli Cohen 2110e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2111e126ba97SEli Cohen } 2112e126ba97SEli Cohen 2113e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2114e126ba97SEli Cohen qp->port = init_attr->port_num; 2115e126ba97SEli Cohen 211609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 211709a7d9ecSSaeed Mahameed 2118e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 211909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2120e126ba97SEli Cohen 2121e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 212209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2123e126ba97SEli Cohen else 212409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 212509a7d9ecSSaeed Mahameed 2126e126ba97SEli Cohen 2127c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 212809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2129e126ba97SEli Cohen 21302be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) 213109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2132f360d88aSEli Cohen 21332be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) 213409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 21352be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_SEND) 213609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 21372be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_MANAGED_RECV) 213809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 21392be08c30SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) 2140569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 214190ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 214290ecb37aSLeon Romanovsky (init_attr->qp_type == IB_QPT_RC || 21438bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_UC)) { 21448bde2c50SLeon Romanovsky int rcqe_sz = rcqe_sz = 21458bde2c50SLeon Romanovsky mlx5_ib_get_cqe_size(init_attr->recv_cq); 21468bde2c50SLeon Romanovsky 21478bde2c50SLeon Romanovsky MLX5_SET(qpc, qpc, cs_res, 21488bde2c50SLeon Romanovsky rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 21498bde2c50SLeon Romanovsky MLX5_RES_SCAT_DATA32_CQE); 21508bde2c50SLeon Romanovsky } 215190ecb37aSLeon Romanovsky if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && 215290ecb37aSLeon Romanovsky (qp->qp_sub_type == MLX5_IB_QPT_DCI || 21538bde2c50SLeon Romanovsky init_attr->qp_type == IB_QPT_RC)) 21542dfac92dSLeon Romanovsky configure_requester_scat_cqe(dev, init_attr, ucmd, qpc); 2155e126ba97SEli Cohen 2156e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 215709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 215809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2159e126ba97SEli Cohen } 2160e126ba97SEli Cohen 216109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2162e126ba97SEli Cohen 21633fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 216409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 21653fd3307eSArtemy Kovalyov } else { 216609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 21673fd3307eSArtemy Kovalyov if (init_attr->srq && 21683fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 21693fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 21703fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 21713fd3307eSArtemy Kovalyov } 2172e126ba97SEli Cohen 2173e126ba97SEli Cohen /* Set default resources */ 2174e126ba97SEli Cohen switch (init_attr->qp_type) { 2175e126ba97SEli Cohen case IB_QPT_XRC_TGT: 217609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 217709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 217809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 217909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2180e126ba97SEli Cohen break; 2181e126ba97SEli Cohen case IB_QPT_XRC_INI: 218209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 218309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 218409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2185e126ba97SEli Cohen break; 2186e126ba97SEli Cohen default: 2187e126ba97SEli Cohen if (init_attr->srq) { 218809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 218909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2190e126ba97SEli Cohen } else { 219109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 219209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2193e126ba97SEli Cohen } 2194e126ba97SEli Cohen } 2195e126ba97SEli Cohen 2196e126ba97SEli Cohen if (init_attr->send_cq) 219709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2198e126ba97SEli Cohen 2199e126ba97SEli Cohen if (init_attr->recv_cq) 220009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2201e126ba97SEli Cohen 220209a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2203e126ba97SEli Cohen 2204cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 220509a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2206cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 220709a7d9ecSSaeed Mahameed 2208f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 22092978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) 2210f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2211cfb5e088SHaggai Abramovsky 22122978975cSLeon Romanovsky if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && 22132978975cSLeon Romanovsky init_attr->qp_type != IB_QPT_RAW_PACKET) { 2214b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2215b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 22162978975cSLeon Romanovsky /* Special case to clean flag */ 22172978975cSLeon Romanovsky qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; 2218b1383aa6SNoa Osherovich } 2219b1383aa6SNoa Osherovich 22202c292dbbSBoris Pismenny if (inlen < 0) { 22212c292dbbSBoris Pismenny err = -EINVAL; 22222c292dbbSBoris Pismenny goto err; 22232c292dbbSBoris Pismenny } 22242c292dbbSBoris Pismenny 2225c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 22262be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 22272dfac92dSLeon Romanovsky qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; 22280fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 22297f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 22307f72052cSYishai Hadas &resp); 22310fb2ed66Smajd@mellanox.com } else { 2232333fbaa0SLeon Romanovsky err = mlx5_core_create_qp(dev, &base->mqp, in, inlen); 22330fb2ed66Smajd@mellanox.com } 22340fb2ed66Smajd@mellanox.com 2235e126ba97SEli Cohen if (err) { 2236e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2237e126ba97SEli Cohen goto err_create; 2238e126ba97SEli Cohen } 2239e126ba97SEli Cohen 2240479163f4SAl Viro kvfree(in); 2241e126ba97SEli Cohen 224219098df2Smajd@mellanox.com base->container_mibqp = qp; 224319098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2244e126ba97SEli Cohen 224589ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 224689ea94a7SMaor Gottlieb &send_cq, &recv_cq); 224789ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 224889ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 224989ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 225089ea94a7SMaor Gottlieb * flow 225189ea94a7SMaor Gottlieb */ 225289ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 225389ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 225489ea94a7SMaor Gottlieb */ 225589ea94a7SMaor Gottlieb if (send_cq) 225689ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 225789ea94a7SMaor Gottlieb if (recv_cq) 225889ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 225989ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 226089ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 226189ea94a7SMaor Gottlieb 2262e126ba97SEli Cohen return 0; 2263e126ba97SEli Cohen 2264e126ba97SEli Cohen err_create: 2265e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2266bdeacabdSShamir Rabinovitch destroy_qp_user(dev, pd, qp, base, udata); 2267e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2268e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2269e126ba97SEli Cohen 2270b1383aa6SNoa Osherovich err: 2271479163f4SAl Viro kvfree(in); 2272e126ba97SEli Cohen return err; 2273e126ba97SEli Cohen } 2274e126ba97SEli Cohen 2275e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2276e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2277e126ba97SEli Cohen { 2278e126ba97SEli Cohen if (send_cq) { 2279e126ba97SEli Cohen if (recv_cq) { 2280e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 228189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2282e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2283e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2284e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 228589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2286e126ba97SEli Cohen __acquire(&recv_cq->lock); 2287e126ba97SEli Cohen } else { 228889ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2289e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2290e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2291e126ba97SEli Cohen } 2292e126ba97SEli Cohen } else { 229389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22946a4f139aSEli Cohen __acquire(&recv_cq->lock); 2295e126ba97SEli Cohen } 2296e126ba97SEli Cohen } else if (recv_cq) { 229789ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22986a4f139aSEli Cohen __acquire(&send_cq->lock); 22996a4f139aSEli Cohen } else { 23006a4f139aSEli Cohen __acquire(&send_cq->lock); 23016a4f139aSEli Cohen __acquire(&recv_cq->lock); 2302e126ba97SEli Cohen } 2303e126ba97SEli Cohen } 2304e126ba97SEli Cohen 2305e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2306e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2307e126ba97SEli Cohen { 2308e126ba97SEli Cohen if (send_cq) { 2309e126ba97SEli Cohen if (recv_cq) { 2310e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2311e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 231289ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2313e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2314e126ba97SEli Cohen __release(&recv_cq->lock); 231589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2316e126ba97SEli Cohen } else { 2317e126ba97SEli Cohen spin_unlock(&send_cq->lock); 231889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2319e126ba97SEli Cohen } 2320e126ba97SEli Cohen } else { 23216a4f139aSEli Cohen __release(&recv_cq->lock); 232289ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2323e126ba97SEli Cohen } 2324e126ba97SEli Cohen } else if (recv_cq) { 23256a4f139aSEli Cohen __release(&send_cq->lock); 232689ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23276a4f139aSEli Cohen } else { 23286a4f139aSEli Cohen __release(&recv_cq->lock); 23296a4f139aSEli Cohen __release(&send_cq->lock); 2330e126ba97SEli Cohen } 2331e126ba97SEli Cohen } 2332e126ba97SEli Cohen 2333e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2334e126ba97SEli Cohen { 2335e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2336e126ba97SEli Cohen } 2337e126ba97SEli Cohen 233889ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 233989ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2340e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2341e126ba97SEli Cohen { 234289ea94a7SMaor Gottlieb switch (qp_type) { 2343e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2344e126ba97SEli Cohen *send_cq = NULL; 2345e126ba97SEli Cohen *recv_cq = NULL; 2346e126ba97SEli Cohen break; 2347e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2348e126ba97SEli Cohen case IB_QPT_XRC_INI: 234989ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2350e126ba97SEli Cohen *recv_cq = NULL; 2351e126ba97SEli Cohen break; 2352e126ba97SEli Cohen 2353e126ba97SEli Cohen case IB_QPT_SMI: 2354d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2355e126ba97SEli Cohen case IB_QPT_RC: 2356e126ba97SEli Cohen case IB_QPT_UC: 2357e126ba97SEli Cohen case IB_QPT_UD: 2358e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2359e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 23600fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 236189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 236289ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2363e126ba97SEli Cohen break; 2364e126ba97SEli Cohen 2365e126ba97SEli Cohen case IB_QPT_MAX: 2366e126ba97SEli Cohen default: 2367e126ba97SEli Cohen *send_cq = NULL; 2368e126ba97SEli Cohen *recv_cq = NULL; 2369e126ba97SEli Cohen break; 2370e126ba97SEli Cohen } 2371e126ba97SEli Cohen } 2372e126ba97SEli Cohen 2373ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 237413eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 237513eab21fSAviv Heller u8 lag_tx_affinity); 2376ad5f8e96Smajd@mellanox.com 2377bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2378bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2379e126ba97SEli Cohen { 2380e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2381c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 238289ea94a7SMaor Gottlieb unsigned long flags; 2383e126ba97SEli Cohen int err; 2384e126ba97SEli Cohen 238528d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 238628d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 238728d61370SYishai Hadas return; 238828d61370SYishai Hadas } 238928d61370SYishai Hadas 2390c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 23912be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) ? 23920fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23930fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23940fb2ed66Smajd@mellanox.com 23956aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2396c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 23972be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { 2398333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, 23991a412fb1SSaeed Mahameed NULL, &base->mqp); 2400ad5f8e96Smajd@mellanox.com } else { 24010680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 24020680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 24030680efa2SAlex Vesker }; 24040680efa2SAlex Vesker 240513eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2406ad5f8e96Smajd@mellanox.com } 2407ad5f8e96Smajd@mellanox.com if (err) 2408427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 240919098df2Smajd@mellanox.com base->mqp.qpn); 24106aec21f6SHaggai Eran } 2411e126ba97SEli Cohen 241289ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 241389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 241489ea94a7SMaor Gottlieb 241589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 241689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 241789ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 241889ea94a7SMaor Gottlieb list_del(&qp->qps_list); 241989ea94a7SMaor Gottlieb if (send_cq) 242089ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 242189ea94a7SMaor Gottlieb 242289ea94a7SMaor Gottlieb if (recv_cq) 242389ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2424e126ba97SEli Cohen 2425e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 242619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2427e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2428e126ba97SEli Cohen if (send_cq != recv_cq) 242919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 243019098df2Smajd@mellanox.com NULL); 2431e126ba97SEli Cohen } 243289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 243389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2434e126ba97SEli Cohen 2435c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 24362be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 24370fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24380fb2ed66Smajd@mellanox.com } else { 2439333fbaa0SLeon Romanovsky err = mlx5_core_destroy_qp(dev, &base->mqp); 2440e126ba97SEli Cohen if (err) 24410fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24420fb2ed66Smajd@mellanox.com base->mqp.qpn); 24430fb2ed66Smajd@mellanox.com } 2444e126ba97SEli Cohen 2445e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2446e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2447e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2448bdeacabdSShamir Rabinovitch destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); 2449e126ba97SEli Cohen } 2450e126ba97SEli Cohen 245147c80612SLeon Romanovsky static int create_dct(struct ib_pd *pd, struct mlx5_ib_qp *qp, 2452b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 245347c80612SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, struct ib_udata *udata) 2454b4aaa1f0SMoni Shoua { 245589944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 245689944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2457b4aaa1f0SMoni Shoua int err = 0; 2458b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2459b4aaa1f0SMoni Shoua void *dctc; 2460b4aaa1f0SMoni Shoua 246189944450SShamir Rabinovitch err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); 2462b4aaa1f0SMoni Shoua if (err) 246347c80612SLeon Romanovsky return err; 2464b4aaa1f0SMoni Shoua 2465b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 24669c2ba4edSLeon Romanovsky if (!qp->dct.in) 246747c80612SLeon Romanovsky return -ENOMEM; 2468b4aaa1f0SMoni Shoua 2469a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2470b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2471b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2472b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2473b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2474b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2475b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2476b4aaa1f0SMoni Shoua 2477fd9dab7eSLeon Romanovsky if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) { 2478fd9dab7eSLeon Romanovsky int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); 2479fd9dab7eSLeon Romanovsky 2480fd9dab7eSLeon Romanovsky if (rcqe_sz == 128) 2481fd9dab7eSLeon Romanovsky MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 2482fd9dab7eSLeon Romanovsky } 24835d6ff1baSYonatan Cohen 2484b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2485b4aaa1f0SMoni Shoua 248647c80612SLeon Romanovsky return 0; 2487b4aaa1f0SMoni Shoua } 2488b4aaa1f0SMoni Shoua 24896eb7edffSLeon Romanovsky static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr) 24906eb7edffSLeon Romanovsky { 24916eb7edffSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) 24926eb7edffSLeon Romanovsky goto out; 24936eb7edffSLeon Romanovsky 24946eb7edffSLeon Romanovsky switch (attr->qp_type) { 24956eb7edffSLeon Romanovsky case IB_QPT_XRC_TGT: 24966eb7edffSLeon Romanovsky case IB_QPT_XRC_INI: 24976eb7edffSLeon Romanovsky if (!MLX5_CAP_GEN(dev->mdev, xrc)) 24986eb7edffSLeon Romanovsky goto out; 24996eb7edffSLeon Romanovsky fallthrough; 25006eb7edffSLeon Romanovsky case IB_QPT_RAW_PACKET: 25016eb7edffSLeon Romanovsky case IB_QPT_RC: 25026eb7edffSLeon Romanovsky case IB_QPT_UC: 25036eb7edffSLeon Romanovsky case IB_QPT_UD: 25046eb7edffSLeon Romanovsky case IB_QPT_SMI: 25056eb7edffSLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25066eb7edffSLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 25076eb7edffSLeon Romanovsky case IB_QPT_DRIVER: 25086eb7edffSLeon Romanovsky case IB_QPT_GSI: 25096eb7edffSLeon Romanovsky return 0; 25106eb7edffSLeon Romanovsky case IB_QPT_RAW_IPV6: 25116eb7edffSLeon Romanovsky case IB_QPT_RAW_ETHERTYPE: 25126eb7edffSLeon Romanovsky case IB_QPT_MAX: 25136eb7edffSLeon Romanovsky default: 25146eb7edffSLeon Romanovsky goto out; 2515b4aaa1f0SMoni Shoua } 2516b4aaa1f0SMoni Shoua 2517b4aaa1f0SMoni Shoua return 0; 25186eb7edffSLeon Romanovsky 25196eb7edffSLeon Romanovsky out: 25206eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); 25216eb7edffSLeon Romanovsky return -EOPNOTSUPP; 2522b4aaa1f0SMoni Shoua } 2523b4aaa1f0SMoni Shoua 25242242cc25SLeon Romanovsky static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, 25252242cc25SLeon Romanovsky struct ib_qp_init_attr *attr, 25262242cc25SLeon Romanovsky struct ib_udata *udata) 25272242cc25SLeon Romanovsky { 25282242cc25SLeon Romanovsky struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 25292242cc25SLeon Romanovsky udata, struct mlx5_ib_ucontext, ibucontext); 25302242cc25SLeon Romanovsky 25312242cc25SLeon Romanovsky if (!udata) { 25322242cc25SLeon Romanovsky /* Kernel create_qp callers */ 25332242cc25SLeon Romanovsky if (attr->rwq_ind_tbl) 25342242cc25SLeon Romanovsky return -EOPNOTSUPP; 25352242cc25SLeon Romanovsky 25362242cc25SLeon Romanovsky switch (attr->qp_type) { 25372242cc25SLeon Romanovsky case IB_QPT_RAW_PACKET: 25382242cc25SLeon Romanovsky case IB_QPT_DRIVER: 25392242cc25SLeon Romanovsky return -EOPNOTSUPP; 25402242cc25SLeon Romanovsky default: 25412242cc25SLeon Romanovsky return 0; 25422242cc25SLeon Romanovsky } 25432242cc25SLeon Romanovsky } 25442242cc25SLeon Romanovsky 25452242cc25SLeon Romanovsky /* Userspace create_qp callers */ 25462242cc25SLeon Romanovsky if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { 25472242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25482242cc25SLeon Romanovsky "Raw Packet QP is only supported for CQE version > 0\n"); 25492242cc25SLeon Romanovsky return -EINVAL; 25502242cc25SLeon Romanovsky } 25512242cc25SLeon Romanovsky 25522242cc25SLeon Romanovsky if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { 25532242cc25SLeon Romanovsky mlx5_ib_dbg(dev, 25542242cc25SLeon Romanovsky "Wrong QP type %d for the RWQ indirect table\n", 25552242cc25SLeon Romanovsky attr->qp_type); 25562242cc25SLeon Romanovsky return -EINVAL; 25572242cc25SLeon Romanovsky } 25582242cc25SLeon Romanovsky 25592242cc25SLeon Romanovsky switch (attr->qp_type) { 25602242cc25SLeon Romanovsky case IB_QPT_SMI: 25612242cc25SLeon Romanovsky case MLX5_IB_QPT_HW_GSI: 25622242cc25SLeon Romanovsky case MLX5_IB_QPT_REG_UMR: 25632242cc25SLeon Romanovsky case IB_QPT_GSI: 25642242cc25SLeon Romanovsky mlx5_ib_dbg(dev, "Kernel doesn't support QP type %d\n", 25652242cc25SLeon Romanovsky attr->qp_type); 25662242cc25SLeon Romanovsky return -EINVAL; 25672242cc25SLeon Romanovsky default: 25682242cc25SLeon Romanovsky break; 25692242cc25SLeon Romanovsky } 25702242cc25SLeon Romanovsky 25712242cc25SLeon Romanovsky /* 25722242cc25SLeon Romanovsky * We don't need to see this warning, it means that kernel code 25732242cc25SLeon Romanovsky * missing ib_pd. Placed here to catch developer's mistakes. 25742242cc25SLeon Romanovsky */ 25752242cc25SLeon Romanovsky WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, 25762242cc25SLeon Romanovsky "There is a missing PD pointer assignment\n"); 25772242cc25SLeon Romanovsky return 0; 25782242cc25SLeon Romanovsky } 25792242cc25SLeon Romanovsky 25802fdddbd5SLeon Romanovsky static int process_vendor_flags(struct mlx5_ib_qp *qp, 25812fdddbd5SLeon Romanovsky struct ib_qp_init_attr *attr, 25822fdddbd5SLeon Romanovsky struct mlx5_ib_create_qp *ucmd) 25832fdddbd5SLeon Romanovsky { 25842fdddbd5SLeon Romanovsky switch (ucmd->flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { 25852fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCI: 25862fdddbd5SLeon Romanovsky qp->qp_sub_type = MLX5_IB_QPT_DCI; 25872fdddbd5SLeon Romanovsky break; 25882fdddbd5SLeon Romanovsky case MLX5_QP_FLAG_TYPE_DCT: 25892fdddbd5SLeon Romanovsky qp->qp_sub_type = MLX5_IB_QPT_DCT; 25902fdddbd5SLeon Romanovsky break; 25912fdddbd5SLeon Romanovsky default: 25922fdddbd5SLeon Romanovsky return -EINVAL; 25932fdddbd5SLeon Romanovsky } 25942fdddbd5SLeon Romanovsky 25952fdddbd5SLeon Romanovsky return 0; 25962fdddbd5SLeon Romanovsky } 25972fdddbd5SLeon Romanovsky 25982978975cSLeon Romanovsky static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, 25992978975cSLeon Romanovsky bool cond, struct mlx5_ib_qp *qp) 26002978975cSLeon Romanovsky { 26012978975cSLeon Romanovsky if (!(*flags & flag)) 26022978975cSLeon Romanovsky return; 26032978975cSLeon Romanovsky 26042978975cSLeon Romanovsky if (cond) { 26052978975cSLeon Romanovsky qp->flags |= flag; 26062978975cSLeon Romanovsky *flags &= ~flag; 26072978975cSLeon Romanovsky return; 26082978975cSLeon Romanovsky } 26092978975cSLeon Romanovsky 26102978975cSLeon Romanovsky if (flag == MLX5_IB_QP_CREATE_WC_TEST) { 26112978975cSLeon Romanovsky /* 26122978975cSLeon Romanovsky * Special case, if condition didn't meet, it won't be error, 26132978975cSLeon Romanovsky * just different in-kernel flow. 26142978975cSLeon Romanovsky */ 26152978975cSLeon Romanovsky *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; 26162978975cSLeon Romanovsky return; 26172978975cSLeon Romanovsky } 26182978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); 26192978975cSLeon Romanovsky } 26202978975cSLeon Romanovsky 26212978975cSLeon Romanovsky static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 26222978975cSLeon Romanovsky struct ib_qp_init_attr *attr) 26232978975cSLeon Romanovsky { 26242978975cSLeon Romanovsky enum ib_qp_type qp_type = attr->qp_type; 26252978975cSLeon Romanovsky struct mlx5_core_dev *mdev = dev->mdev; 26262978975cSLeon Romanovsky int create_flags = attr->create_flags; 26272978975cSLeon Romanovsky bool cond; 26282978975cSLeon Romanovsky 26292978975cSLeon Romanovsky if (qp->qp_sub_type == MLX5_IB_QPT_DCT) 26302978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26312978975cSLeon Romanovsky 26322978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) 26332978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26342978975cSLeon Romanovsky 26352978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26362978975cSLeon Romanovsky IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 26372978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, block_lb_mc), qp); 26382978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, 26392978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26402978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, 26412978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26422978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, 26432978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, cd), qp); 26442978975cSLeon Romanovsky 26452978975cSLeon Romanovsky if (qp_type == IB_QPT_UD) { 26462978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26472978975cSLeon Romanovsky IB_QP_CREATE_IPOIB_UD_LSO, 26482978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, ipoib_basic_offloads), 26492978975cSLeon Romanovsky qp); 26502978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; 26512978975cSLeon Romanovsky process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, 26522978975cSLeon Romanovsky cond, qp); 26532978975cSLeon Romanovsky } 26542978975cSLeon Romanovsky 26552978975cSLeon Romanovsky if (qp_type == IB_QPT_RAW_PACKET) { 26562978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26572978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, scatter_fcs); 26582978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26592978975cSLeon Romanovsky IB_QP_CREATE_SCATTER_FCS, cond, qp); 26602978975cSLeon Romanovsky 26612978975cSLeon Romanovsky cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && 26622978975cSLeon Romanovsky MLX5_CAP_ETH(mdev, vlan_cap); 26632978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26642978975cSLeon Romanovsky IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); 26652978975cSLeon Romanovsky } 26662978975cSLeon Romanovsky 26672978975cSLeon Romanovsky process_create_flag(dev, &create_flags, 26682978975cSLeon Romanovsky IB_QP_CREATE_PCI_WRITE_END_PADDING, 26692978975cSLeon Romanovsky MLX5_CAP_GEN(mdev, end_pad), qp); 26702978975cSLeon Romanovsky 26712978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, 26722978975cSLeon Romanovsky qp_type != MLX5_IB_QPT_REG_UMR, qp); 26732978975cSLeon Romanovsky process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, 26742978975cSLeon Romanovsky true, qp); 26752978975cSLeon Romanovsky 26762978975cSLeon Romanovsky if (create_flags) 26772978975cSLeon Romanovsky mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", 26782978975cSLeon Romanovsky create_flags); 26792978975cSLeon Romanovsky 26802978975cSLeon Romanovsky return (create_flags) ? -EINVAL : 0; 26812978975cSLeon Romanovsky } 26822978975cSLeon Romanovsky 268347c80612SLeon Romanovsky static int create_driver_qp(struct ib_pd *pd, struct mlx5_ib_qp *qp, 268447c80612SLeon Romanovsky struct ib_qp_init_attr *attr, 268547c80612SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, 268647c80612SLeon Romanovsky struct ib_udata *udata) 268747c80612SLeon Romanovsky { 268847c80612SLeon Romanovsky struct mlx5_ib_dev *mdev = to_mdev(pd->device); 268947c80612SLeon Romanovsky int ret = -EINVAL; 269047c80612SLeon Romanovsky 269147c80612SLeon Romanovsky switch (qp->qp_sub_type) { 269247c80612SLeon Romanovsky case MLX5_IB_QPT_DCT: 269347c80612SLeon Romanovsky if (!attr->srq || !attr->recv_cq) 269447c80612SLeon Romanovsky goto out; 269547c80612SLeon Romanovsky 269647c80612SLeon Romanovsky ret = create_dct(pd, qp, attr, ucmd, udata); 269747c80612SLeon Romanovsky break; 269847c80612SLeon Romanovsky case MLX5_IB_QPT_DCI: 26992fdddbd5SLeon Romanovsky if (attr->cap.max_recv_wr || attr->cap.max_recv_sge) 27002fdddbd5SLeon Romanovsky goto out; 27012fdddbd5SLeon Romanovsky 27022dfac92dSLeon Romanovsky ret = create_qp_common(mdev, pd, attr, ucmd, udata, qp); 270347c80612SLeon Romanovsky break; 270447c80612SLeon Romanovsky default: 270547c80612SLeon Romanovsky return -EINVAL; 270647c80612SLeon Romanovsky } 270747c80612SLeon Romanovsky 270847c80612SLeon Romanovsky out: return ret; 270947c80612SLeon Romanovsky } 271047c80612SLeon Romanovsky 27112fdddbd5SLeon Romanovsky static size_t process_udata_size(struct ib_qp_init_attr *attr, 27122fdddbd5SLeon Romanovsky struct ib_udata *udata) 27132fdddbd5SLeon Romanovsky { 27142fdddbd5SLeon Romanovsky size_t ucmd = sizeof(struct mlx5_ib_create_qp); 27152fdddbd5SLeon Romanovsky 27162dfac92dSLeon Romanovsky if (attr->qp_type == IB_QPT_DRIVER) 27172fdddbd5SLeon Romanovsky return (udata->inlen < ucmd) ? 0 : ucmd; 27182dfac92dSLeon Romanovsky 27192dfac92dSLeon Romanovsky return ucmd; 27202fdddbd5SLeon Romanovsky } 27212fdddbd5SLeon Romanovsky 27225d0dc3d9SLeon Romanovsky static int create_raw_qp(struct ib_pd *pd, struct mlx5_ib_qp *qp, 27235d0dc3d9SLeon Romanovsky struct ib_qp_init_attr *attr, 27245d0dc3d9SLeon Romanovsky struct mlx5_ib_create_qp *ucmd, struct ib_udata *udata) 27255d0dc3d9SLeon Romanovsky { 27265d0dc3d9SLeon Romanovsky struct mlx5_ib_dev *dev = to_mdev(pd->device); 27275d0dc3d9SLeon Romanovsky 27285d0dc3d9SLeon Romanovsky if (attr->rwq_ind_tbl) 27295d0dc3d9SLeon Romanovsky return create_rss_raw_qp_tir(pd, qp, attr, udata); 27305d0dc3d9SLeon Romanovsky 27315d0dc3d9SLeon Romanovsky return create_qp_common(dev, pd, attr, ucmd, udata, qp); 27325d0dc3d9SLeon Romanovsky } 27335d0dc3d9SLeon Romanovsky 2734b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 27352fdddbd5SLeon Romanovsky struct ib_qp_init_attr *init_attr, 2736e126ba97SEli Cohen struct ib_udata *udata) 2737e126ba97SEli Cohen { 273847c80612SLeon Romanovsky struct mlx5_ib_create_qp ucmd = {}; 2739e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2740e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2741e126ba97SEli Cohen u16 xrcdn = 0; 2742e126ba97SEli Cohen int err; 2743e126ba97SEli Cohen 27446eb7edffSLeon Romanovsky dev = pd ? to_mdev(pd->device) : 27456eb7edffSLeon Romanovsky to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 27460fb2ed66Smajd@mellanox.com 27476eb7edffSLeon Romanovsky err = check_qp_type(dev, init_attr); 27486eb7edffSLeon Romanovsky if (err) { 27496eb7edffSLeon Romanovsky mlx5_ib_dbg(dev, "Unsupported QP type %d\n", 27506eb7edffSLeon Romanovsky init_attr->qp_type); 27516eb7edffSLeon Romanovsky return ERR_PTR(err); 27526eb7edffSLeon Romanovsky } 27536eb7edffSLeon Romanovsky 27542242cc25SLeon Romanovsky err = check_valid_flow(dev, pd, init_attr, udata); 27552242cc25SLeon Romanovsky if (err) 27562242cc25SLeon Romanovsky return ERR_PTR(err); 2757e126ba97SEli Cohen 27589c2ba4edSLeon Romanovsky if (init_attr->qp_type == IB_QPT_GSI) 27599c2ba4edSLeon Romanovsky return mlx5_ib_gsi_create_qp(pd, init_attr); 27609c2ba4edSLeon Romanovsky 27612dfac92dSLeon Romanovsky if (udata && !init_attr->rwq_ind_tbl) { 27622fdddbd5SLeon Romanovsky size_t inlen = 27632fdddbd5SLeon Romanovsky process_udata_size(init_attr, udata); 27642fdddbd5SLeon Romanovsky 27652fdddbd5SLeon Romanovsky if (!inlen) 27662fdddbd5SLeon Romanovsky return ERR_PTR(-EINVAL); 27672fdddbd5SLeon Romanovsky 27682fdddbd5SLeon Romanovsky err = ib_copy_from_udata(&ucmd, udata, inlen); 27692fdddbd5SLeon Romanovsky if (err) 27702fdddbd5SLeon Romanovsky return ERR_PTR(err); 27712fdddbd5SLeon Romanovsky } 27722fdddbd5SLeon Romanovsky 27739c2ba4edSLeon Romanovsky qp = kzalloc(sizeof(*qp), GFP_KERNEL); 27749c2ba4edSLeon Romanovsky if (!qp) 27759c2ba4edSLeon Romanovsky return ERR_PTR(-ENOMEM); 27769c2ba4edSLeon Romanovsky 2777b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 27782fdddbd5SLeon Romanovsky err = process_vendor_flags(qp, init_attr, &ucmd); 2779b4aaa1f0SMoni Shoua if (err) 27809c2ba4edSLeon Romanovsky goto free_qp; 2781b4aaa1f0SMoni Shoua } 27822978975cSLeon Romanovsky err = process_create_flags(dev, qp, init_attr); 27832978975cSLeon Romanovsky if (err) 27842978975cSLeon Romanovsky goto free_qp; 2785b4aaa1f0SMoni Shoua 2786c86936e6SLeon Romanovsky if (init_attr->qp_type == IB_QPT_XRC_TGT) 2787e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 27886eb7edffSLeon Romanovsky 278947c80612SLeon Romanovsky switch (init_attr->qp_type) { 279047c80612SLeon Romanovsky case IB_QPT_DRIVER: 279147c80612SLeon Romanovsky err = create_driver_qp(pd, qp, init_attr, &ucmd, udata); 279247c80612SLeon Romanovsky break; 27935d0dc3d9SLeon Romanovsky case IB_QPT_RAW_PACKET: 27945d0dc3d9SLeon Romanovsky err = create_raw_qp(pd, qp, init_attr, &ucmd, udata); 27955d0dc3d9SLeon Romanovsky break; 279647c80612SLeon Romanovsky default: 27972dfac92dSLeon Romanovsky err = create_qp_common(dev, pd, init_attr, 27982dfac92dSLeon Romanovsky (udata) ? &ucmd : NULL, udata, qp); 279947c80612SLeon Romanovsky } 2800e126ba97SEli Cohen if (err) { 2801e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 28029c2ba4edSLeon Romanovsky goto free_qp; 2803e126ba97SEli Cohen } 2804e126ba97SEli Cohen 2805e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2806e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2807e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2808e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2809e126ba97SEli Cohen else 281019098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2811e126ba97SEli Cohen 281219098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2813e126ba97SEli Cohen 2814e126ba97SEli Cohen return &qp->ibqp; 28159c2ba4edSLeon Romanovsky 28169c2ba4edSLeon Romanovsky free_qp: 28179c2ba4edSLeon Romanovsky kfree(qp); 28189c2ba4edSLeon Romanovsky return ERR_PTR(err); 2819e126ba97SEli Cohen } 2820e126ba97SEli Cohen 2821776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2822776a3906SMoni Shoua { 2823776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2824776a3906SMoni Shoua 2825776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2826776a3906SMoni Shoua int err; 2827776a3906SMoni Shoua 2828333fbaa0SLeon Romanovsky err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); 2829776a3906SMoni Shoua if (err) { 2830776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2831776a3906SMoni Shoua return err; 2832776a3906SMoni Shoua } 2833776a3906SMoni Shoua } 2834776a3906SMoni Shoua 2835776a3906SMoni Shoua kfree(mqp->dct.in); 2836776a3906SMoni Shoua kfree(mqp); 2837776a3906SMoni Shoua return 0; 2838776a3906SMoni Shoua } 2839776a3906SMoni Shoua 2840c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2841e126ba97SEli Cohen { 2842e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2843e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2844e126ba97SEli Cohen 2845d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2846d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2847d16e91daSHaggai Eran 2848776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2849776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2850776a3906SMoni Shoua 2851bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2852e126ba97SEli Cohen 2853e126ba97SEli Cohen kfree(mqp); 2854e126ba97SEli Cohen 2855e126ba97SEli Cohen return 0; 2856e126ba97SEli Cohen } 2857e126ba97SEli Cohen 2858a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2859a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2860bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2861e126ba97SEli Cohen { 2862e126ba97SEli Cohen u8 dest_rd_atomic; 2863bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2864e126ba97SEli Cohen 2865a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2866a60109dcSYonatan Cohen 2867e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2868e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2869e126ba97SEli Cohen else 287019098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2871e126ba97SEli Cohen 2872e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2873e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2874e126ba97SEli Cohen else 287519098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2876e126ba97SEli Cohen 2877e126ba97SEli Cohen if (!dest_rd_atomic) 2878e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2879e126ba97SEli Cohen 2880e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2881bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 288213f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2883a60109dcSYonatan Cohen int atomic_mode; 2884e126ba97SEli Cohen 2885a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2886a60109dcSYonatan Cohen if (atomic_mode < 0) 2887a60109dcSYonatan Cohen return -EOPNOTSUPP; 2888a60109dcSYonatan Cohen 2889bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2890bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2891a60109dcSYonatan Cohen } 2892a60109dcSYonatan Cohen 2893a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2894bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 2895a60109dcSYonatan Cohen 2896bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 2897a60109dcSYonatan Cohen 2898a60109dcSYonatan Cohen return 0; 2899e126ba97SEli Cohen } 2900e126ba97SEli Cohen 2901e126ba97SEli Cohen enum { 2902e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2903e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2904e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2905e126ba97SEli Cohen }; 2906e126ba97SEli Cohen 2907e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2908e126ba97SEli Cohen { 29094f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2910e126ba97SEli Cohen return 0; 29114f32ac2eSDanit Goldberg 2912a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 2913e126ba97SEli Cohen return -EINVAL; 29144f32ac2eSDanit Goldberg 29154f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2916e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2917938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2918e126ba97SEli Cohen --rate; 2919e126ba97SEli Cohen 29204f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2921e126ba97SEli Cohen } 2922e126ba97SEli Cohen 292375850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 29241cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 29251cd6dbd3SYishai Hadas struct ib_pd *pd) 292675850d0bSmajd@mellanox.com { 292775850d0bSmajd@mellanox.com void *in; 292875850d0bSmajd@mellanox.com void *tisc; 292975850d0bSmajd@mellanox.com int inlen; 293075850d0bSmajd@mellanox.com int err; 293175850d0bSmajd@mellanox.com 293275850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29331b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 293475850d0bSmajd@mellanox.com if (!in) 293575850d0bSmajd@mellanox.com return -ENOMEM; 293675850d0bSmajd@mellanox.com 293775850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 29381cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 293975850d0bSmajd@mellanox.com 294075850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 294175850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 294275850d0bSmajd@mellanox.com 2943e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 294475850d0bSmajd@mellanox.com 294575850d0bSmajd@mellanox.com kvfree(in); 294675850d0bSmajd@mellanox.com 294775850d0bSmajd@mellanox.com return err; 294875850d0bSmajd@mellanox.com } 294975850d0bSmajd@mellanox.com 295013eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 29511cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 29521cd6dbd3SYishai Hadas struct ib_pd *pd) 295313eab21fSAviv Heller { 295413eab21fSAviv Heller void *in; 295513eab21fSAviv Heller void *tisc; 295613eab21fSAviv Heller int inlen; 295713eab21fSAviv Heller int err; 295813eab21fSAviv Heller 295913eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 29601b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 296113eab21fSAviv Heller if (!in) 296213eab21fSAviv Heller return -ENOMEM; 296313eab21fSAviv Heller 296413eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 29651cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 296613eab21fSAviv Heller 296713eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 296813eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 296913eab21fSAviv Heller 2970e0b4b472SLeon Romanovsky err = mlx5_core_modify_tis(dev, sq->tisn, in); 297113eab21fSAviv Heller 297213eab21fSAviv Heller kvfree(in); 297313eab21fSAviv Heller 297413eab21fSAviv Heller return err; 297513eab21fSAviv Heller } 297613eab21fSAviv Heller 297775850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 297890898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2979e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2980f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2981f879ee8dSAchiad Shochat bool alt) 2982e126ba97SEli Cohen { 2983d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2984e126ba97SEli Cohen int err; 2985ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2986d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2987d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2988e126ba97SEli Cohen 2989e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2990f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2991f879ee8dSAchiad Shochat attr->pkey_index); 2992e126ba97SEli Cohen 2993d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2994d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2995938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2996f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2997d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2998938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2999f83b4263SEli Cohen return -EINVAL; 3000f83b4263SEli Cohen } 30012811ba51SAchiad Shochat } 300244c58487SDasaratharaman Chandramouli 300344c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 3004d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 30052811ba51SAchiad Shochat return -EINVAL; 300647ec3866SParav Pandit 300744c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 30082b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 30092b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 30102b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 30112b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 301247ec3866SParav Pandit path->udp_sport = 301347ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 3014d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 301547ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 3016ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 3017d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 30182811ba51SAchiad Shochat } else { 3019d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 3020d3ae2bdeSNoa Osherovich path->fl_free_ar |= 3021d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 3022d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 3023d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 3024d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 3025e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 3026d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 30272811ba51SAchiad Shochat } 30282811ba51SAchiad Shochat 3029d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 3030d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 3031d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 3032e126ba97SEli Cohen path->tclass_flowlabel = 3033d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 3034d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 3035d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 3036e126ba97SEli Cohen } 3037e126ba97SEli Cohen 3038d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 3039e126ba97SEli Cohen if (err < 0) 3040e126ba97SEli Cohen return err; 3041e126ba97SEli Cohen path->static_rate = err; 3042e126ba97SEli Cohen path->port = port; 3043e126ba97SEli Cohen 3044e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3045f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 3046e126ba97SEli Cohen 304775850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 304875850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 304975850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 30501cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 305175850d0bSmajd@mellanox.com 3052e126ba97SEli Cohen return 0; 3053e126ba97SEli Cohen } 3054e126ba97SEli Cohen 3055e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 3056e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3057e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 3058e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3059e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3060e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3061e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3062e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3063e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3064e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 3065e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 3066e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3067e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3068e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 30698f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 30708f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30718f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30728f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 30738f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PRI_PORT, 3074e126ba97SEli Cohen }, 3075e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3076e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3077e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3078e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3079e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3080e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3081e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3082e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3083e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3084e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3085e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3086e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3087e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3088a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3089a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3090a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3091a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3092a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3093e126ba97SEli Cohen }, 3094e126ba97SEli Cohen }, 3095e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3096e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3097e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3098e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3099e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3100e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3101e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3102e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3103e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3104e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3105e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3106e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 31078f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 31088f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 31098f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31108f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31118f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31128f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3113e126ba97SEli Cohen }, 3114e126ba97SEli Cohen }, 3115e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3116e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3117e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3118e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3119e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3120e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3121c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3122c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3123e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3124c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3125c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3126e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3127e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3128e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 31298f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 31308f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31318f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31328f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 31338f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 31348f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3135e126ba97SEli Cohen }, 3136e126ba97SEli Cohen }, 3137e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3138e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3139e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3140e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 314175959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3142a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3143a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3144a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3145a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 31468f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 31478f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 31488f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 31498f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3150e126ba97SEli Cohen }, 3151e126ba97SEli Cohen }, 3152e126ba97SEli Cohen }; 3153e126ba97SEli Cohen 3154e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3155e126ba97SEli Cohen { 3156e126ba97SEli Cohen switch (ib_mask) { 3157e126ba97SEli Cohen case IB_QP_STATE: 3158e126ba97SEli Cohen return 0; 3159e126ba97SEli Cohen case IB_QP_CUR_STATE: 3160e126ba97SEli Cohen return 0; 3161e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3162e126ba97SEli Cohen return 0; 3163e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3164e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3165e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3166e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3167e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3168e126ba97SEli Cohen case IB_QP_PORT: 3169e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3170e126ba97SEli Cohen case IB_QP_QKEY: 3171e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3172e126ba97SEli Cohen case IB_QP_AV: 3173e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3174e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3175e126ba97SEli Cohen case IB_QP_PATH_MTU: 3176e126ba97SEli Cohen return 0; 3177e126ba97SEli Cohen case IB_QP_TIMEOUT: 3178e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3179e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3180e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3181e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3182e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3183e126ba97SEli Cohen case IB_QP_RQ_PSN: 3184e126ba97SEli Cohen return 0; 3185e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3186e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3187e126ba97SEli Cohen case IB_QP_ALT_PATH: 3188e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3189e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3190e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3191e126ba97SEli Cohen case IB_QP_SQ_PSN: 3192e126ba97SEli Cohen return 0; 3193e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3194e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3195e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3196e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3197e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3198e126ba97SEli Cohen case IB_QP_CAP: 3199e126ba97SEli Cohen return 0; 3200e126ba97SEli Cohen case IB_QP_DEST_QPN: 3201e126ba97SEli Cohen return 0; 3202e126ba97SEli Cohen } 3203e126ba97SEli Cohen return 0; 3204e126ba97SEli Cohen } 3205e126ba97SEli Cohen 3206e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3207e126ba97SEli Cohen { 3208e126ba97SEli Cohen int result = 0; 3209e126ba97SEli Cohen int i; 3210e126ba97SEli Cohen 3211e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3212e126ba97SEli Cohen if ((1 << i) & ib_mask) 3213e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3214e126ba97SEli Cohen } 3215e126ba97SEli Cohen 3216e126ba97SEli Cohen return result; 3217e126ba97SEli Cohen } 3218e126ba97SEli Cohen 321934d57585SYishai Hadas static int modify_raw_packet_qp_rq( 322034d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 322134d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3222ad5f8e96Smajd@mellanox.com { 3223ad5f8e96Smajd@mellanox.com void *in; 3224ad5f8e96Smajd@mellanox.com void *rqc; 3225ad5f8e96Smajd@mellanox.com int inlen; 3226ad5f8e96Smajd@mellanox.com int err; 3227ad5f8e96Smajd@mellanox.com 3228ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 32291b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3230ad5f8e96Smajd@mellanox.com if (!in) 3231ad5f8e96Smajd@mellanox.com return -ENOMEM; 3232ad5f8e96Smajd@mellanox.com 3233ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 323434d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3235ad5f8e96Smajd@mellanox.com 3236ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3237ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3238ad5f8e96Smajd@mellanox.com 3239eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3240eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3241eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 324223a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3243eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3244eb49ab0cSAlex Vesker } else 32455a738b5dSJason Gunthorpe dev_info_once( 32465a738b5dSJason Gunthorpe &dev->ib_dev.dev, 32475a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3248eb49ab0cSAlex Vesker } 3249eb49ab0cSAlex Vesker 3250e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); 3251ad5f8e96Smajd@mellanox.com if (err) 3252ad5f8e96Smajd@mellanox.com goto out; 3253ad5f8e96Smajd@mellanox.com 3254ad5f8e96Smajd@mellanox.com rq->state = new_state; 3255ad5f8e96Smajd@mellanox.com 3256ad5f8e96Smajd@mellanox.com out: 3257ad5f8e96Smajd@mellanox.com kvfree(in); 3258ad5f8e96Smajd@mellanox.com return err; 3259ad5f8e96Smajd@mellanox.com } 3260ad5f8e96Smajd@mellanox.com 3261c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3262c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3263c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3264ad5f8e96Smajd@mellanox.com { 32657d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 326661147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 326761147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 326861147f39SBodong Wang bool new_rate_added = false; 32697d29f349SBodong Wang u16 rl_index = 0; 3270ad5f8e96Smajd@mellanox.com void *in; 3271ad5f8e96Smajd@mellanox.com void *sqc; 3272ad5f8e96Smajd@mellanox.com int inlen; 3273ad5f8e96Smajd@mellanox.com int err; 3274ad5f8e96Smajd@mellanox.com 3275ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 32761b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3277ad5f8e96Smajd@mellanox.com if (!in) 3278ad5f8e96Smajd@mellanox.com return -ENOMEM; 3279ad5f8e96Smajd@mellanox.com 3280c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3281ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3282ad5f8e96Smajd@mellanox.com 3283ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3284ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3285ad5f8e96Smajd@mellanox.com 32867d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 32877d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 32887d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 32897d29f349SBodong Wang __func__); 32907d29f349SBodong Wang else 329161147f39SBodong Wang new_rl = raw_qp_param->rl; 32927d29f349SBodong Wang } 3293ad5f8e96Smajd@mellanox.com 329461147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 329561147f39SBodong Wang if (new_rl.rate) { 329661147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 32977d29f349SBodong Wang if (err) { 329861147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 329961147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 330061147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 330161147f39SBodong Wang new_rl.typical_pkt_sz); 330261147f39SBodong Wang 33037d29f349SBodong Wang goto out; 33047d29f349SBodong Wang } 330561147f39SBodong Wang new_rate_added = true; 33067d29f349SBodong Wang } 33077d29f349SBodong Wang 33087d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 330961147f39SBodong Wang /* index 0 means no limit */ 33107d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 33117d29f349SBodong Wang } 33127d29f349SBodong Wang 3313e0b4b472SLeon Romanovsky err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); 33147d29f349SBodong Wang if (err) { 33157d29f349SBodong Wang /* Remove new rate from table if failed */ 331661147f39SBodong Wang if (new_rate_added) 331761147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 33187d29f349SBodong Wang goto out; 33197d29f349SBodong Wang } 33207d29f349SBodong Wang 33217d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3322c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3323c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 332461147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3325c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3326c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3327c8973df2SRafi Wiener } 33287d29f349SBodong Wang 332961147f39SBodong Wang ibqp->rl = new_rl; 3330ad5f8e96Smajd@mellanox.com sq->state = new_state; 3331ad5f8e96Smajd@mellanox.com 3332ad5f8e96Smajd@mellanox.com out: 3333ad5f8e96Smajd@mellanox.com kvfree(in); 3334ad5f8e96Smajd@mellanox.com return err; 3335ad5f8e96Smajd@mellanox.com } 3336ad5f8e96Smajd@mellanox.com 3337ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 333813eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 333913eab21fSAviv Heller u8 tx_affinity) 3340ad5f8e96Smajd@mellanox.com { 3341ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3342ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3343ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 33447d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 33457d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3346ad5f8e96Smajd@mellanox.com int rq_state; 3347ad5f8e96Smajd@mellanox.com int sq_state; 3348ad5f8e96Smajd@mellanox.com int err; 3349ad5f8e96Smajd@mellanox.com 33500680efa2SAlex Vesker switch (raw_qp_param->operation) { 3351ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3352ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3353ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3354ad5f8e96Smajd@mellanox.com break; 3355ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3356ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3357ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3358ad5f8e96Smajd@mellanox.com break; 3359ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3360ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3361ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3362ad5f8e96Smajd@mellanox.com break; 3363ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3364ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 33657d29f349SBodong Wang if (raw_qp_param->set_mask == 33667d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 33677d29f349SBodong Wang modify_rq = 0; 33687d29f349SBodong Wang sq_state = sq->state; 33697d29f349SBodong Wang } else { 33707d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 33717d29f349SBodong Wang } 33727d29f349SBodong Wang break; 33737d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 33747d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3375eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3376eb49ab0cSAlex Vesker return -EINVAL; 3377eb49ab0cSAlex Vesker else 3378ad5f8e96Smajd@mellanox.com return 0; 3379ad5f8e96Smajd@mellanox.com default: 3380ad5f8e96Smajd@mellanox.com WARN_ON(1); 3381ad5f8e96Smajd@mellanox.com return -EINVAL; 3382ad5f8e96Smajd@mellanox.com } 3383ad5f8e96Smajd@mellanox.com 33847d29f349SBodong Wang if (modify_rq) { 338534d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 338634d57585SYishai Hadas qp->ibqp.pd); 3387ad5f8e96Smajd@mellanox.com if (err) 3388ad5f8e96Smajd@mellanox.com return err; 3389ad5f8e96Smajd@mellanox.com } 3390ad5f8e96Smajd@mellanox.com 33917d29f349SBodong Wang if (modify_sq) { 3392d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3393d5ed8ac3SMark Bloch 339413eab21fSAviv Heller if (tx_affinity) { 339513eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 33961cd6dbd3SYishai Hadas tx_affinity, 33971cd6dbd3SYishai Hadas qp->ibqp.pd); 339813eab21fSAviv Heller if (err) 339913eab21fSAviv Heller return err; 340013eab21fSAviv Heller } 340113eab21fSAviv Heller 3402d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3403d5ed8ac3SMark Bloch raw_qp_param->port); 3404d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 34051db86318SColin Ian King return PTR_ERR(flow_rule); 3406d5ed8ac3SMark Bloch 3407d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3408c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3409d5ed8ac3SMark Bloch if (err) { 3410d5ed8ac3SMark Bloch if (flow_rule) 3411d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3412d5ed8ac3SMark Bloch return err; 3413d5ed8ac3SMark Bloch } 3414d5ed8ac3SMark Bloch 3415d5ed8ac3SMark Bloch if (flow_rule) { 3416d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3417d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3418d5ed8ac3SMark Bloch } 3419d5ed8ac3SMark Bloch 3420d5ed8ac3SMark Bloch return err; 342113eab21fSAviv Heller } 3422ad5f8e96Smajd@mellanox.com 3423ad5f8e96Smajd@mellanox.com return 0; 3424ad5f8e96Smajd@mellanox.com } 3425ad5f8e96Smajd@mellanox.com 3426c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3427c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3428c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 342989944450SShamir Rabinovitch u8 port_num, struct ib_udata *udata) 3430c6a21c38SMajd Dibbiny { 343189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 343289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 3433c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3434c6a21c38SMajd Dibbiny 3435c6a21c38SMajd Dibbiny if (ucontext) { 3436c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3437c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3438c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3439c6a21c38SMajd Dibbiny 1; 3440c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3441c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3442c6a21c38SMajd Dibbiny } else { 3443c6a21c38SMajd Dibbiny tx_port_affinity = 3444c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 344595579e78SMark Bloch 1, &dev->port[port_num].roce.tx_port_affinity) % 3446c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3447c6a21c38SMajd Dibbiny 1; 3448c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3449c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3450c6a21c38SMajd Dibbiny } 3451c6a21c38SMajd Dibbiny 3452c6a21c38SMajd Dibbiny return tx_port_affinity; 3453c6a21c38SMajd Dibbiny } 3454c6a21c38SMajd Dibbiny 3455d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3456d14133ddSMark Zhang struct rdma_counter *counter) 3457d14133ddSMark Zhang { 3458d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 3459d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3460d14133ddSMark Zhang struct mlx5_qp_context context = {}; 3461d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3462d14133ddSMark Zhang u32 set_id; 3463d14133ddSMark Zhang 34643e1f000fSParav Pandit if (counter) 3465d14133ddSMark Zhang set_id = counter->id; 34663e1f000fSParav Pandit else 34673e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3468d14133ddSMark Zhang 3469d14133ddSMark Zhang base = &mqp->trans_qp.base; 3470d14133ddSMark Zhang context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); 3471d14133ddSMark Zhang context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); 3472333fbaa0SLeon Romanovsky return mlx5_core_qp_modify(dev, MLX5_CMD_OP_RTS2RTS_QP, 3473333fbaa0SLeon Romanovsky MLX5_QP_OPTPAR_COUNTER_SET_ID, &context, 3474333fbaa0SLeon Romanovsky &base->mqp); 3475d14133ddSMark Zhang } 3476d14133ddSMark Zhang 3477e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3478e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 347989944450SShamir Rabinovitch enum ib_qp_state cur_state, 348089944450SShamir Rabinovitch enum ib_qp_state new_state, 348189944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 348289944450SShamir Rabinovitch struct ib_udata *udata) 3483e126ba97SEli Cohen { 3484427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3485427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3486427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3487427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3488427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3489427c1e7bSmajd@mellanox.com }, 3490427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 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_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3494427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3495427c1e7bSmajd@mellanox.com }, 3496427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3497427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3498427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3499427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3500427c1e7bSmajd@mellanox.com }, 3501427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3502427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3503427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3504427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3505427c1e7bSmajd@mellanox.com }, 3506427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3507427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3508427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3509427c1e7bSmajd@mellanox.com }, 3510427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3511427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3512427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3513427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3514427c1e7bSmajd@mellanox.com }, 3515427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3516427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3517427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3518427c1e7bSmajd@mellanox.com } 3519427c1e7bSmajd@mellanox.com }; 3520427c1e7bSmajd@mellanox.com 3521e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3522e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 352319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3524e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3525e126ba97SEli Cohen struct mlx5_qp_context *context; 3526e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3527e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3528e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3529d14133ddSMark Zhang u32 set_id = 0; 3530e126ba97SEli Cohen int mlx5_st; 3531e126ba97SEli Cohen int err; 3532427c1e7bSmajd@mellanox.com u16 op; 353313eab21fSAviv Heller u8 tx_affinity = 0; 3534e126ba97SEli Cohen 353555de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 353655de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 353755de9a77SLeon Romanovsky if (mlx5_st < 0) 353855de9a77SLeon Romanovsky return -EINVAL; 353955de9a77SLeon Romanovsky 35401a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 35411a412fb1SSaeed Mahameed if (!context) 3542e126ba97SEli Cohen return -ENOMEM; 3543e126ba97SEli Cohen 3544c6a21c38SMajd Dibbiny pd = get_pd(qp); 354555de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3546e126ba97SEli Cohen 3547e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3548e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3549e126ba97SEli Cohen } else { 3550e126ba97SEli Cohen switch (attr->path_mig_state) { 3551e126ba97SEli Cohen case IB_MIG_MIGRATED: 3552e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3553e126ba97SEli Cohen break; 3554e126ba97SEli Cohen case IB_MIG_REARM: 3555e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3556e126ba97SEli Cohen break; 3557e126ba97SEli Cohen case IB_MIG_ARMED: 3558e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3559e126ba97SEli Cohen break; 3560e126ba97SEli Cohen } 3561e126ba97SEli Cohen } 3562e126ba97SEli Cohen 356313eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 356413eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 356513eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 35662be08c30SLeon Romanovsky !(qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1)) || 356713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 356813eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 356913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 357013eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 35717c34ec19SAviv Heller if (dev->lag_active) { 357295579e78SMark Bloch u8 p = mlx5_core_native_port_num(dev->mdev) - 1; 357389944450SShamir Rabinovitch tx_affinity = get_tx_affinity(dev, pd, base, p, 357489944450SShamir Rabinovitch udata); 357513eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 357613eab21fSAviv Heller } 357713eab21fSAviv Heller } 357813eab21fSAviv Heller } 357913eab21fSAviv Heller 3580d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3581e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3582c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 35832be08c30SLeon Romanovsky !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || 3584e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3585e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3586e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3587e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3588e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3589e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3590e126ba97SEli Cohen err = -EINVAL; 3591e126ba97SEli Cohen goto out; 3592e126ba97SEli Cohen } 3593938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3594938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3595e126ba97SEli Cohen } 3596e126ba97SEli Cohen 3597e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3598e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3599e126ba97SEli Cohen 3600e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3601d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3602e126ba97SEli Cohen 3603e126ba97SEli Cohen /* todo implement counter_index functionality */ 3604e126ba97SEli Cohen 3605e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3606e126ba97SEli Cohen context->pri_path.port = qp->port; 3607e126ba97SEli Cohen 3608e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3609e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3610e126ba97SEli Cohen 3611e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 361275850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3613e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3614f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3615e126ba97SEli Cohen if (err) 3616e126ba97SEli Cohen goto out; 3617e126ba97SEli Cohen } 3618e126ba97SEli Cohen 3619e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3620e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3621e126ba97SEli Cohen 3622e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 362375850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 362475850d0bSmajd@mellanox.com &context->alt_path, 3625f879ee8dSAchiad Shochat attr->alt_port_num, 3626f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3627f879ee8dSAchiad Shochat 0, attr, true); 3628e126ba97SEli Cohen if (err) 3629e126ba97SEli Cohen goto out; 3630e126ba97SEli Cohen } 3631e126ba97SEli Cohen 363289ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 363389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3634e126ba97SEli Cohen 3635e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3636e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3637e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3638e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3639e126ba97SEli Cohen 3640e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3641e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3642e126ba97SEli Cohen 3643e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3644e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3645e126ba97SEli Cohen 3646e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3647e126ba97SEli Cohen if (attr->max_rd_atomic) 3648e126ba97SEli Cohen context->params1 |= 3649e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3650e126ba97SEli Cohen } 3651e126ba97SEli Cohen 3652e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3653e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3654e126ba97SEli Cohen 3655e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3656e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3657e126ba97SEli Cohen context->params2 |= 3658e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3659e126ba97SEli Cohen } 3660e126ba97SEli Cohen 3661a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3662bf3b4f06SBart Van Assche __be32 access_flags; 3663a60109dcSYonatan Cohen 3664a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3665a60109dcSYonatan Cohen if (err) 3666a60109dcSYonatan Cohen goto out; 3667a60109dcSYonatan Cohen 3668a60109dcSYonatan Cohen context->params2 |= access_flags; 3669a60109dcSYonatan Cohen } 3670e126ba97SEli Cohen 3671e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3672e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3673e126ba97SEli Cohen 3674e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3675e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3676e126ba97SEli Cohen 3677e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3678e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3679e126ba97SEli Cohen 3680e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3681e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3682e126ba97SEli Cohen 36830837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 36840837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 36850837e86aSMark Bloch qp->port) - 1; 3686c2e53b2cSYishai Hadas 3687c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 36882be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) 3689c2e53b2cSYishai Hadas port_num = 0; 3690c2e53b2cSYishai Hadas 3691d14133ddSMark Zhang if (ibqp->counter) 3692d14133ddSMark Zhang set_id = ibqp->counter->id; 3693d14133ddSMark Zhang else 36943e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 36950837e86aSMark Bloch context->qp_counter_set_usr_page |= 3696d14133ddSMark Zhang cpu_to_be32(set_id << 24); 36970837e86aSMark Bloch } 36980837e86aSMark Bloch 3699e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3700e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3701e126ba97SEli Cohen 37022be08c30SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) 3703b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3704e126ba97SEli Cohen 3705e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3706e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3707e126ba97SEli Cohen 3708427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 37095d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 37105d414b17SDan Carpenter err = -EINVAL; 3711427c1e7bSmajd@mellanox.com goto out; 37125d414b17SDan Carpenter } 3713427c1e7bSmajd@mellanox.com 3714427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3715e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3716e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3717ad5f8e96Smajd@mellanox.com 3718c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 37192be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 37200680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 37210680efa2SAlex Vesker 37220680efa2SAlex Vesker raw_qp_param.operation = op; 3723eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3724d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3725eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3726eb49ab0cSAlex Vesker } 37277d29f349SBodong Wang 3728d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3729d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3730d5ed8ac3SMark Bloch 37317d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 373261147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 373361147f39SBodong Wang 373461147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 373561147f39SBodong Wang if (attr->rate_limit && 373661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 373761147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 373861147f39SBodong Wang ucmd->burst_info.max_burst_sz; 373961147f39SBodong Wang } else { 374061147f39SBodong Wang err = -EINVAL; 374161147f39SBodong Wang goto out; 374261147f39SBodong Wang } 374361147f39SBodong Wang } 374461147f39SBodong Wang 374561147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 374661147f39SBodong Wang if (attr->rate_limit && 374761147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 374861147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 374961147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 375061147f39SBodong Wang } else { 375161147f39SBodong Wang err = -EINVAL; 375261147f39SBodong Wang goto out; 375361147f39SBodong Wang } 375461147f39SBodong Wang } 375561147f39SBodong Wang 37567d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 37577d29f349SBodong Wang } 37587d29f349SBodong Wang 375913eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 37600680efa2SAlex Vesker } else { 3761333fbaa0SLeon Romanovsky err = mlx5_core_qp_modify(dev, op, optpar, context, &base->mqp); 37620680efa2SAlex Vesker } 37630680efa2SAlex Vesker 3764e126ba97SEli Cohen if (err) 3765e126ba97SEli Cohen goto out; 3766e126ba97SEli Cohen 3767e126ba97SEli Cohen qp->state = new_state; 3768e126ba97SEli Cohen 3769e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 377019098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3771e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 377219098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3773e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3774e126ba97SEli Cohen qp->port = attr->port_num; 3775e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 377619098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3777e126ba97SEli Cohen 3778e126ba97SEli Cohen /* 3779e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3780e126ba97SEli Cohen * entries and reinitialize the QP. 3781e126ba97SEli Cohen */ 378275a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 378375a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 378419098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3785e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3786e126ba97SEli Cohen if (send_cq != recv_cq) 378719098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3788e126ba97SEli Cohen 3789e126ba97SEli Cohen qp->rq.head = 0; 3790e126ba97SEli Cohen qp->rq.tail = 0; 3791e126ba97SEli Cohen qp->sq.head = 0; 3792e126ba97SEli Cohen qp->sq.tail = 0; 3793e126ba97SEli Cohen qp->sq.cur_post = 0; 379434f4c955SGuy Levi if (qp->sq.wqe_cnt) 379534f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3796950bf4f1SLeon Romanovsky qp->sq.last_poll = 0; 3797e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3798e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3799e126ba97SEli Cohen } 3800e126ba97SEli Cohen 3801d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 3802d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 3803d14133ddSMark Zhang if (!err) 3804d14133ddSMark Zhang qp->counter_pending = 0; 3805d14133ddSMark Zhang } 3806d14133ddSMark Zhang 3807e126ba97SEli Cohen out: 38081a412fb1SSaeed Mahameed kfree(context); 3809e126ba97SEli Cohen return err; 3810e126ba97SEli Cohen } 3811e126ba97SEli Cohen 3812c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3813c32a4f29SMoni Shoua { 3814c32a4f29SMoni Shoua if ((mask & req) != req) 3815c32a4f29SMoni Shoua return false; 3816c32a4f29SMoni Shoua 3817c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3818c32a4f29SMoni Shoua return false; 3819c32a4f29SMoni Shoua 3820c32a4f29SMoni Shoua return true; 3821c32a4f29SMoni Shoua } 3822c32a4f29SMoni Shoua 3823c32a4f29SMoni Shoua /* check valid transition for driver QP types 3824c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3825c32a4f29SMoni Shoua */ 3826c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3827c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3828c32a4f29SMoni Shoua { 3829c32a4f29SMoni Shoua int req = IB_QP_STATE; 3830c32a4f29SMoni Shoua int opt = 0; 3831c32a4f29SMoni Shoua 383299ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 383399ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 383499ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3835c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3836c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3837c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3838c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3839c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3840c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3841c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 38425ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3843c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3844c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3845c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3846c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3847c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3848c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3849c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3850c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3851c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3852c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3853c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3854c32a4f29SMoni Shoua } 3855c32a4f29SMoni Shoua return false; 3856c32a4f29SMoni Shoua } 3857c32a4f29SMoni Shoua 3858776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3859776a3906SMoni Shoua * valid transitions are: 3860776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3861776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3862776a3906SMoni Shoua * mtu, gid_index and hop_limit 3863776a3906SMoni Shoua * Other transitions and attributes are illegal 3864776a3906SMoni Shoua */ 3865776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3866776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3867776a3906SMoni Shoua { 3868776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3869776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3870776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3871776a3906SMoni Shoua int err = 0; 3872776a3906SMoni Shoua int required = IB_QP_STATE; 3873776a3906SMoni Shoua void *dctc; 3874776a3906SMoni Shoua 3875776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3876776a3906SMoni Shoua return -EINVAL; 3877776a3906SMoni Shoua 3878776a3906SMoni Shoua cur_state = qp->state; 3879776a3906SMoni Shoua new_state = attr->qp_state; 3880776a3906SMoni Shoua 3881776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3882776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 38833e1f000fSParav Pandit u16 set_id; 38843e1f000fSParav Pandit 3885776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3886776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3887776a3906SMoni Shoua return -EINVAL; 3888776a3906SMoni Shoua 3889776a3906SMoni Shoua if (attr->port_num == 0 || 3890776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3891776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3892776a3906SMoni Shoua attr->port_num, dev->num_ports); 3893776a3906SMoni Shoua return -EINVAL; 3894776a3906SMoni Shoua } 3895776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3896776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3897776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3898776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3899776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3900a60109dcSYonatan Cohen int atomic_mode; 3901a60109dcSYonatan Cohen 3902a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3903a60109dcSYonatan Cohen if (atomic_mode < 0) 3904776a3906SMoni Shoua return -EOPNOTSUPP; 3905a60109dcSYonatan Cohen 3906a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3907776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3908776a3906SMoni Shoua } 3909776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3910776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 39113e1f000fSParav Pandit 39123e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 39133e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 3914776a3906SMoni Shoua 3915776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3916776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3917c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 3918776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3919776a3906SMoni Shoua sizeof(resp.dctn); 3920776a3906SMoni Shoua 3921776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3922776a3906SMoni Shoua return -EINVAL; 3923776a3906SMoni Shoua resp.response_length = min_resp_len; 3924776a3906SMoni Shoua 3925776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3926776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3927776a3906SMoni Shoua return -EINVAL; 3928776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3929776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3930776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3931776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3932776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3933776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3934776a3906SMoni Shoua 3935333fbaa0SLeon Romanovsky err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, 3936c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 3937c5ae1954SYishai Hadas sizeof(out)); 3938776a3906SMoni Shoua if (err) 3939776a3906SMoni Shoua return err; 3940776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3941776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3942776a3906SMoni Shoua if (err) { 3943333fbaa0SLeon Romanovsky mlx5_core_destroy_dct(dev, &qp->dct.mdct); 3944776a3906SMoni Shoua return err; 3945776a3906SMoni Shoua } 3946776a3906SMoni Shoua } else { 3947776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3948776a3906SMoni Shoua return -EINVAL; 3949776a3906SMoni Shoua } 3950776a3906SMoni Shoua if (err) 3951776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3952776a3906SMoni Shoua else 3953776a3906SMoni Shoua qp->state = new_state; 3954776a3906SMoni Shoua return err; 3955776a3906SMoni Shoua } 3956776a3906SMoni Shoua 3957e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3958e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3959e126ba97SEli Cohen { 3960e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3961e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 396261147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3963d16e91daSHaggai Eran enum ib_qp_type qp_type; 3964e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 396561147f39SBodong Wang size_t required_cmd_sz; 3966e126ba97SEli Cohen int err = -EINVAL; 3967e126ba97SEli Cohen int port; 3968e126ba97SEli Cohen 396928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 397028d61370SYishai Hadas return -ENOSYS; 397128d61370SYishai Hadas 397261147f39SBodong Wang if (udata && udata->inlen) { 397361147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 397461147f39SBodong Wang sizeof(ucmd.reserved); 397561147f39SBodong Wang if (udata->inlen < required_cmd_sz) 397661147f39SBodong Wang return -EINVAL; 397761147f39SBodong Wang 397861147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 397961147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 398061147f39SBodong Wang udata->inlen - sizeof(ucmd))) 398161147f39SBodong Wang return -EOPNOTSUPP; 398261147f39SBodong Wang 398361147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 398461147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 398561147f39SBodong Wang return -EFAULT; 398661147f39SBodong Wang 398761147f39SBodong Wang if (ucmd.comp_mask || 398861147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 398961147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 399061147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 399161147f39SBodong Wang return -EOPNOTSUPP; 399261147f39SBodong Wang } 399361147f39SBodong Wang 3994d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3995d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3996d16e91daSHaggai Eran 3997c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3998c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3999c32a4f29SMoni Shoua else 4000d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 4001d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 4002d16e91daSHaggai Eran 4003776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 4004776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 4005c32a4f29SMoni Shoua 4006e126ba97SEli Cohen mutex_lock(&qp->mutex); 4007e126ba97SEli Cohen 4008e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 4009e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 4010e126ba97SEli Cohen 40112811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 40122811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 40132811ba51SAchiad Shochat } 40142811ba51SAchiad Shochat 40152be08c30SLeon Romanovsky if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { 4016c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 4017c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 4018c2e53b2cSYishai Hadas attr_mask); 4019c2e53b2cSYishai Hadas goto out; 4020c2e53b2cSYishai Hadas } 4021c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 4022c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 4023d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 4024d31131bbSKamal Heib attr_mask)) { 4025158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4026158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 4027e126ba97SEli Cohen goto out; 4028c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 4029c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 4030c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 4031c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 4032c32a4f29SMoni Shoua goto out; 4033158abf86SHaggai Eran } 4034e126ba97SEli Cohen 4035e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 4036938fe83cSSaeed Mahameed (attr->port_num == 0 || 4037508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 4038158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 4039158abf86SHaggai Eran attr->port_num, dev->num_ports); 4040e126ba97SEli Cohen goto out; 4041158abf86SHaggai Eran } 4042e126ba97SEli Cohen 4043e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 4044e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 4045938fe83cSSaeed Mahameed if (attr->pkey_index >= 4046158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 4047158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 4048158abf86SHaggai Eran attr->pkey_index); 4049e126ba97SEli Cohen goto out; 4050e126ba97SEli Cohen } 4051158abf86SHaggai Eran } 4052e126ba97SEli Cohen 4053e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 4054938fe83cSSaeed Mahameed attr->max_rd_atomic > 4055158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 4056158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 4057158abf86SHaggai Eran attr->max_rd_atomic); 4058e126ba97SEli Cohen goto out; 4059158abf86SHaggai Eran } 4060e126ba97SEli Cohen 4061e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 4062938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4063158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4064158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4065158abf86SHaggai Eran attr->max_dest_rd_atomic); 4066e126ba97SEli Cohen goto out; 4067158abf86SHaggai Eran } 4068e126ba97SEli Cohen 4069e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4070e126ba97SEli Cohen err = 0; 4071e126ba97SEli Cohen goto out; 4072e126ba97SEli Cohen } 4073e126ba97SEli Cohen 407461147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 407589944450SShamir Rabinovitch new_state, &ucmd, udata); 4076e126ba97SEli Cohen 4077e126ba97SEli Cohen out: 4078e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4079e126ba97SEli Cohen return err; 4080e126ba97SEli Cohen } 4081e126ba97SEli Cohen 408234f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 408334f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 408434f4c955SGuy Levi { 408534f4c955SGuy Levi u32 idx; 408634f4c955SGuy Levi 408734f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 408834f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 408934f4c955SGuy Levi 409034f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 409134f4c955SGuy Levi } 409234f4c955SGuy Levi 409334f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 409434f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 409534f4c955SGuy Levi * @sq - SQ buffer. 409634f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 409734f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 409834f4c955SGuy Levi * @cur_edge: Updated current edge. 409934f4c955SGuy Levi */ 410034f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 410134f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 410234f4c955SGuy Levi { 410334f4c955SGuy Levi if (likely(*seg != *cur_edge)) 410434f4c955SGuy Levi return; 410534f4c955SGuy Levi 410634f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 410734f4c955SGuy Levi } 410834f4c955SGuy Levi 410934f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 411034f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 411134f4c955SGuy Levi * @sq - SQ buffer. 411234f4c955SGuy Levi * @cur_edge: Updated current edge. 411334f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 411434f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 411534f4c955SGuy Levi * @src: Pointer to copy from. 411634f4c955SGuy Levi * @n: Number of bytes to copy. 411734f4c955SGuy Levi */ 411834f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 411934f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 412034f4c955SGuy Levi size_t n) 412134f4c955SGuy Levi { 412234f4c955SGuy Levi while (likely(n)) { 412334f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 412434f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 412534f4c955SGuy Levi size_t stride; 412634f4c955SGuy Levi 412734f4c955SGuy Levi memcpy(*seg, src, copysz); 412834f4c955SGuy Levi 412934f4c955SGuy Levi n -= copysz; 413034f4c955SGuy Levi src += copysz; 413134f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 413234f4c955SGuy Levi *seg += stride; 413334f4c955SGuy Levi *wqe_sz += stride >> 4; 413434f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 413534f4c955SGuy Levi } 413634f4c955SGuy Levi } 413734f4c955SGuy Levi 4138e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 4139e126ba97SEli Cohen { 4140e126ba97SEli Cohen struct mlx5_ib_cq *cq; 4141e126ba97SEli Cohen unsigned cur; 4142e126ba97SEli Cohen 4143e126ba97SEli Cohen cur = wq->head - wq->tail; 4144e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 4145e126ba97SEli Cohen return 0; 4146e126ba97SEli Cohen 4147e126ba97SEli Cohen cq = to_mcq(ib_cq); 4148e126ba97SEli Cohen spin_lock(&cq->lock); 4149e126ba97SEli Cohen cur = wq->head - wq->tail; 4150e126ba97SEli Cohen spin_unlock(&cq->lock); 4151e126ba97SEli Cohen 4152e126ba97SEli Cohen return cur + nreq >= wq->max_post; 4153e126ba97SEli Cohen } 4154e126ba97SEli Cohen 4155e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 4156e126ba97SEli Cohen u64 remote_addr, u32 rkey) 4157e126ba97SEli Cohen { 4158e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 4159e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 4160e126ba97SEli Cohen rseg->reserved = 0; 4161e126ba97SEli Cohen } 4162e126ba97SEli Cohen 416334f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 416434f4c955SGuy Levi void **seg, int *size, void **cur_edge) 4165f0313965SErez Shitrit { 416634f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 4167f0313965SErez Shitrit 4168f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 4169f0313965SErez Shitrit 4170f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 4171f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 4172f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 4173f0313965SErez Shitrit 4174f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 4175f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 417634f4c955SGuy Levi size_t left, copysz; 4177f0313965SErez Shitrit void *pdata = ud_wr->header; 417834f4c955SGuy Levi size_t stride; 4179f0313965SErez Shitrit 4180f0313965SErez Shitrit left = ud_wr->hlen; 4181f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 41822b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 4183f0313965SErez Shitrit 418434f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 418534f4c955SGuy Levi * first copy up to the current edge and then, if needed, 418634f4c955SGuy Levi * fall-through to memcpy_send_wqe. 4187f0313965SErez Shitrit */ 418834f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 418934f4c955SGuy Levi left); 419034f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 419134f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 419234f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 419334f4c955SGuy Levi *size += stride / 16; 419434f4c955SGuy Levi *seg += stride; 4195f0313965SErez Shitrit 419634f4c955SGuy Levi if (copysz < left) { 419734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4198f0313965SErez Shitrit left -= copysz; 4199f0313965SErez Shitrit pdata += copysz; 420034f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 420134f4c955SGuy Levi left); 4202f0313965SErez Shitrit } 4203f0313965SErez Shitrit 420434f4c955SGuy Levi return; 420534f4c955SGuy Levi } 420634f4c955SGuy Levi 420734f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 420834f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 4209f0313965SErez Shitrit } 4210f0313965SErez Shitrit 4211e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 4212f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4213e126ba97SEli Cohen { 4214e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 4215e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 4216e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 4217e126ba97SEli Cohen } 4218e126ba97SEli Cohen 4219e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 4220e126ba97SEli Cohen { 4221e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 4222e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 4223e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 4224e126ba97SEli Cohen } 4225e126ba97SEli Cohen 422631616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 4227e126ba97SEli Cohen { 422831616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 422931616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 4230e126ba97SEli Cohen } 4231e126ba97SEli Cohen 4232841b07f9SMoni Shoua static __be64 frwr_mkey_mask(bool atomic) 4233e126ba97SEli Cohen { 4234e126ba97SEli Cohen u64 result; 4235e126ba97SEli Cohen 4236e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 4237e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 4238e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 4239e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 4240e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 4241e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 4242e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 4243e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 4244e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 4245e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 4246e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4247e126ba97SEli Cohen 4248841b07f9SMoni Shoua if (atomic) 4249841b07f9SMoni Shoua result |= MLX5_MKEY_MASK_A; 4250841b07f9SMoni Shoua 4251e126ba97SEli Cohen return cpu_to_be64(result); 4252e126ba97SEli Cohen } 4253e126ba97SEli Cohen 4254e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 4255e6631814SSagi Grimberg { 4256e6631814SSagi Grimberg u64 result; 4257e6631814SSagi Grimberg 4258e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 4259e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 4260e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 4261d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 4262e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 4263e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 4264e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 4265e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 4266e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 4267e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 4268e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 4269e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 4270e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 4271e6631814SSagi Grimberg 4272e6631814SSagi Grimberg return cpu_to_be64(result); 4273e6631814SSagi Grimberg } 4274e6631814SSagi Grimberg 42758a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 4276841b07f9SMoni Shoua struct mlx5_ib_mr *mr, u8 flags, bool atomic) 42778a187ee5SSagi Grimberg { 427838ca87c6SMax Gurtovoy int size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 42798a187ee5SSagi Grimberg 42808a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4281b005d316SSagi Grimberg 42829ac7c4bcSMax Gurtovoy umr->flags = flags; 428331616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4284841b07f9SMoni Shoua umr->mkey_mask = frwr_mkey_mask(atomic); 42858a187ee5SSagi Grimberg } 42868a187ee5SSagi Grimberg 4287dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 4288e126ba97SEli Cohen { 4289e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 4290e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 42912d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 4292e126ba97SEli Cohen } 4293e126ba97SEli Cohen 429431616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 4295e126ba97SEli Cohen { 4296968e78ddSHaggai Eran u64 result; 4297e126ba97SEli Cohen 429831616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4299e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4300968e78ddSHaggai Eran 4301968e78ddSHaggai Eran return cpu_to_be64(result); 4302968e78ddSHaggai Eran } 4303968e78ddSHaggai Eran 430431616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4305968e78ddSHaggai Eran { 4306968e78ddSHaggai Eran u64 result; 4307968e78ddSHaggai Eran 4308968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4309968e78ddSHaggai Eran 4310968e78ddSHaggai Eran return cpu_to_be64(result); 4311968e78ddSHaggai Eran } 4312968e78ddSHaggai Eran 431356e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 431456e11d62SNoa Osherovich { 431556e11d62SNoa Osherovich u64 result; 431656e11d62SNoa Osherovich 431756e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 431856e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 431931616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 432056e11d62SNoa Osherovich 432156e11d62SNoa Osherovich return cpu_to_be64(result); 432256e11d62SNoa Osherovich } 432356e11d62SNoa Osherovich 432431616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 432556e11d62SNoa Osherovich { 432656e11d62SNoa Osherovich u64 result; 432756e11d62SNoa Osherovich 432831616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 432931616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 433056e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 433131616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 433231616255SArtemy Kovalyov 433331616255SArtemy Kovalyov if (atomic) 433431616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 433556e11d62SNoa Osherovich 433656e11d62SNoa Osherovich return cpu_to_be64(result); 433756e11d62SNoa Osherovich } 433856e11d62SNoa Osherovich 433956e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 434056e11d62SNoa Osherovich { 434156e11d62SNoa Osherovich u64 result; 434256e11d62SNoa Osherovich 434331616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 434456e11d62SNoa Osherovich 434556e11d62SNoa Osherovich return cpu_to_be64(result); 434656e11d62SNoa Osherovich } 434756e11d62SNoa Osherovich 4348c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4349c8d75a98SMajd Dibbiny { 4350c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4351c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4352c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4353c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4354c8d75a98SMajd Dibbiny return -EPERM; 4355c8d75a98SMajd Dibbiny return 0; 4356c8d75a98SMajd Dibbiny } 4357c8d75a98SMajd Dibbiny 4358c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4359c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4360f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4361968e78ddSHaggai Eran { 4362f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4363968e78ddSHaggai Eran 4364968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4365968e78ddSHaggai Eran 43666a053953SYishai Hadas if (!umrwr->ignore_free_state) { 4367968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 43686a053953SYishai Hadas /* fail if free */ 43696a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_FREE; 4370968e78ddSHaggai Eran else 43716a053953SYishai Hadas /* fail if not free */ 43726a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_NOT_FREE; 43736a053953SYishai Hadas } 4374968e78ddSHaggai Eran 437531616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 437631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 437731616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 437831616255SArtemy Kovalyov 437931616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 438031616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4381968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4382968e78ddSHaggai Eran } 438356e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 438456e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 438531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 438631616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 438756e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4388e126ba97SEli Cohen } 438931616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 439031616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 439131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 439231616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4393e126ba97SEli Cohen 4394e126ba97SEli Cohen if (!wr->num_sge) 4395968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4396c8d75a98SMajd Dibbiny 4397c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4398e126ba97SEli Cohen } 4399e126ba97SEli Cohen 4400e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4401e126ba97SEli Cohen { 4402e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4403e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4404e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4405e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 44062ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4407e126ba97SEli Cohen } 4408e126ba97SEli Cohen 44098a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 44108a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44118a187ee5SSagi Grimberg u32 key, int access) 44128a187ee5SSagi Grimberg { 441338ca87c6SMax Gurtovoy int ndescs = ALIGN(mr->ndescs + mr->meta_ndescs, 8) >> 1; 44148a187ee5SSagi Grimberg 44158a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4416b005d316SSagi Grimberg 4417ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4418b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4419ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4420b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4421b005d316SSagi Grimberg ndescs *= 2; 4422b005d316SSagi Grimberg 4423b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 44248a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 44258a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 44268a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 44278a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 44288a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 44298a187ee5SSagi Grimberg } 44308a187ee5SSagi Grimberg 4431dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4432e126ba97SEli Cohen { 4433e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4434968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4435e126ba97SEli Cohen } 4436e126ba97SEli Cohen 4437f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4438f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4439e126ba97SEli Cohen { 4440f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4441968e78ddSHaggai Eran 4442e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 444331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4444968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4445e126ba97SEli Cohen 4446968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 444756e11d62SNoa Osherovich if (umrwr->pd) 4448968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 444931616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 445031616255SArtemy Kovalyov !umrwr->length) 445131616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 445231616255SArtemy Kovalyov 445331616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4454968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4455968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4456746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4457968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4458e126ba97SEli Cohen } 4459e126ba97SEli Cohen 44608a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 44618a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 44628a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 44638a187ee5SSagi Grimberg { 446438ca87c6SMax Gurtovoy int bcount = mr->desc_size * (mr->ndescs + mr->meta_ndescs); 44658a187ee5SSagi Grimberg 44668a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 44678a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 44688a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 44698a187ee5SSagi Grimberg } 44708a187ee5SSagi Grimberg 4471f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4472e126ba97SEli Cohen { 4473e126ba97SEli Cohen switch (wr->opcode) { 4474e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4475e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4476e126ba97SEli Cohen return wr->ex.imm_data; 4477e126ba97SEli Cohen 4478e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4479e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4480e126ba97SEli Cohen 4481e126ba97SEli Cohen default: 4482e126ba97SEli Cohen return 0; 4483e126ba97SEli Cohen } 4484e126ba97SEli Cohen } 4485e126ba97SEli Cohen 4486e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4487e126ba97SEli Cohen { 4488e126ba97SEli Cohen u8 *p = wqe; 4489e126ba97SEli Cohen u8 res = 0; 4490e126ba97SEli Cohen int i; 4491e126ba97SEli Cohen 4492e126ba97SEli Cohen for (i = 0; i < size; i++) 4493e126ba97SEli Cohen res ^= p[i]; 4494e126ba97SEli Cohen 4495e126ba97SEli Cohen return ~res; 4496e126ba97SEli Cohen } 4497e126ba97SEli Cohen 4498e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4499e126ba97SEli Cohen { 4500e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4501e126ba97SEli Cohen } 4502e126ba97SEli Cohen 4503f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 450434f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4505e126ba97SEli Cohen { 4506e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 450734f4c955SGuy Levi size_t offset; 4508e126ba97SEli Cohen int inl = 0; 4509e126ba97SEli Cohen int i; 4510e126ba97SEli Cohen 451134f4c955SGuy Levi seg = *wqe; 451234f4c955SGuy Levi *wqe += sizeof(*seg); 451334f4c955SGuy Levi offset = sizeof(*seg); 451434f4c955SGuy Levi 4515e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 451634f4c955SGuy Levi size_t len = wr->sg_list[i].length; 451734f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 451834f4c955SGuy Levi 4519e126ba97SEli Cohen inl += len; 4520e126ba97SEli Cohen 4521e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4522e126ba97SEli Cohen return -ENOMEM; 4523e126ba97SEli Cohen 452434f4c955SGuy Levi while (likely(len)) { 452534f4c955SGuy Levi size_t leftlen; 452634f4c955SGuy Levi size_t copysz; 452734f4c955SGuy Levi 452834f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 452934f4c955SGuy Levi *wqe_sz + (offset >> 4), 453034f4c955SGuy Levi cur_edge); 453134f4c955SGuy Levi 453234f4c955SGuy Levi leftlen = *cur_edge - *wqe; 453334f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 453434f4c955SGuy Levi 453534f4c955SGuy Levi memcpy(*wqe, addr, copysz); 453634f4c955SGuy Levi len -= copysz; 453734f4c955SGuy Levi addr += copysz; 453834f4c955SGuy Levi *wqe += copysz; 453934f4c955SGuy Levi offset += copysz; 4540e126ba97SEli Cohen } 4541e126ba97SEli Cohen } 4542e126ba97SEli Cohen 4543e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4544e126ba97SEli Cohen 454534f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4546e126ba97SEli Cohen 4547e126ba97SEli Cohen return 0; 4548e126ba97SEli Cohen } 4549e126ba97SEli Cohen 4550e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4551e6631814SSagi Grimberg { 4552e6631814SSagi Grimberg switch (type) { 4553e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4554e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4555e6631814SSagi Grimberg default: 4556e6631814SSagi Grimberg return 0; 4557e6631814SSagi Grimberg } 4558e6631814SSagi Grimberg } 4559e6631814SSagi Grimberg 4560e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4561e6631814SSagi Grimberg { 4562e6631814SSagi Grimberg switch (block_size) { 4563e6631814SSagi Grimberg case 512: return 0x1; 4564e6631814SSagi Grimberg case 520: return 0x2; 4565e6631814SSagi Grimberg case 4096: return 0x3; 4566e6631814SSagi Grimberg case 4160: return 0x4; 4567e6631814SSagi Grimberg case 1073741824: return 0x5; 4568e6631814SSagi Grimberg default: return 0; 4569e6631814SSagi Grimberg } 4570e6631814SSagi Grimberg } 4571e6631814SSagi Grimberg 457278eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4573142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4574e6631814SSagi Grimberg { 4575142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4576142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4577142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4578142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4579142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4580142537f4SSagi Grimberg /* repeating block */ 4581142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4582142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4583142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4584e6631814SSagi Grimberg 458578eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 458678eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4587e6631814SSagi Grimberg 458878eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 458978eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 459078eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 459178eda2bbSSagi Grimberg else 459278eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4593e6631814SSagi Grimberg } 4594e6631814SSagi Grimberg 459578eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 459678eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4597e6631814SSagi Grimberg } 4598e6631814SSagi Grimberg 4599e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4600e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4601e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4602e6631814SSagi Grimberg { 4603e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4604e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4605e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4606e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4607e6631814SSagi Grimberg 4608c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4609e6631814SSagi Grimberg 4610142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4611142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4612e6631814SSagi Grimberg /* Input domain check byte mask */ 4613e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 461478eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 461578eda2bbSSagi Grimberg 461678eda2bbSSagi Grimberg /* Memory domain */ 461778eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 461878eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 461978eda2bbSSagi Grimberg break; 462078eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 462178eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 462278eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 462378eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 462478eda2bbSSagi Grimberg break; 462578eda2bbSSagi Grimberg default: 462678eda2bbSSagi Grimberg return -EINVAL; 462778eda2bbSSagi Grimberg } 462878eda2bbSSagi Grimberg 462978eda2bbSSagi Grimberg /* Wire domain */ 463078eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 463178eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 463278eda2bbSSagi Grimberg break; 463378eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4634e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 463578eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4636e6631814SSagi Grimberg /* Same block structure */ 4637142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4638e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4639fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4640c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4641fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4642c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4643fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4644e6631814SSagi Grimberg } else 4645e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4646e6631814SSagi Grimberg 4647142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 464878eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4649e6631814SSagi Grimberg break; 4650e6631814SSagi Grimberg default: 4651e6631814SSagi Grimberg return -EINVAL; 4652e6631814SSagi Grimberg } 4653e6631814SSagi Grimberg 4654e6631814SSagi Grimberg return 0; 4655e6631814SSagi Grimberg } 4656e6631814SSagi Grimberg 465738ca87c6SMax Gurtovoy static int set_sig_data_segment(const struct ib_send_wr *send_wr, 465838ca87c6SMax Gurtovoy struct ib_mr *sig_mr, 465938ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs, 466038ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 466138ca87c6SMax Gurtovoy void **cur_edge) 4662e6631814SSagi Grimberg { 4663e6631814SSagi Grimberg struct mlx5_bsf *bsf; 466438ca87c6SMax Gurtovoy u32 data_len; 466538ca87c6SMax Gurtovoy u32 data_key; 466638ca87c6SMax Gurtovoy u64 data_va; 466738ca87c6SMax Gurtovoy u32 prot_len = 0; 466838ca87c6SMax Gurtovoy u32 prot_key = 0; 466938ca87c6SMax Gurtovoy u64 prot_va = 0; 467038ca87c6SMax Gurtovoy bool prot = false; 4671e6631814SSagi Grimberg int ret; 4672e6631814SSagi Grimberg int wqe_size; 467338ca87c6SMax Gurtovoy struct mlx5_ib_mr *mr = to_mmr(sig_mr); 467438ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = mr->pi_mr; 467538ca87c6SMax Gurtovoy 467638ca87c6SMax Gurtovoy data_len = pi_mr->data_length; 467738ca87c6SMax Gurtovoy data_key = pi_mr->ibmr.lkey; 46782563e2f3SMax Gurtovoy data_va = pi_mr->data_iova; 467938ca87c6SMax Gurtovoy if (pi_mr->meta_ndescs) { 468038ca87c6SMax Gurtovoy prot_len = pi_mr->meta_length; 468138ca87c6SMax Gurtovoy prot_key = pi_mr->ibmr.lkey; 4682de0ae958SIsrael Rukshin prot_va = pi_mr->pi_iova; 468338ca87c6SMax Gurtovoy prot = true; 468438ca87c6SMax Gurtovoy } 468538ca87c6SMax Gurtovoy 468638ca87c6SMax Gurtovoy if (!prot || (data_key == prot_key && data_va == prot_va && 468738ca87c6SMax Gurtovoy data_len == prot_len)) { 4688e6631814SSagi Grimberg /** 4689e6631814SSagi Grimberg * Source domain doesn't contain signature information 46905c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4691e6631814SSagi Grimberg * So need construct: 4692e6631814SSagi Grimberg * ------------------ 4693e6631814SSagi Grimberg * | data_klm | 4694e6631814SSagi Grimberg * ------------------ 4695e6631814SSagi Grimberg * | BSF | 4696e6631814SSagi Grimberg * ------------------ 4697e6631814SSagi Grimberg **/ 4698e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4699e6631814SSagi Grimberg 4700e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4701e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4702e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4703e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4704e6631814SSagi Grimberg } else { 4705e6631814SSagi Grimberg /** 4706e6631814SSagi Grimberg * Source domain contains signature information 4707e6631814SSagi Grimberg * So need construct a strided block format: 4708e6631814SSagi Grimberg * --------------------------- 4709e6631814SSagi Grimberg * | stride_block_ctrl | 4710e6631814SSagi Grimberg * --------------------------- 4711e6631814SSagi Grimberg * | data_klm | 4712e6631814SSagi Grimberg * --------------------------- 4713e6631814SSagi Grimberg * | prot_klm | 4714e6631814SSagi Grimberg * --------------------------- 4715e6631814SSagi Grimberg * | BSF | 4716e6631814SSagi Grimberg * --------------------------- 4717e6631814SSagi Grimberg **/ 4718e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4719e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4720e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4721e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4722e6631814SSagi Grimberg int prot_size; 4723e6631814SSagi Grimberg 4724e6631814SSagi Grimberg sblock_ctrl = *seg; 4725e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4726e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4727e6631814SSagi Grimberg 4728e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4729e6631814SSagi Grimberg if (!prot_size) { 4730e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4731e6631814SSagi Grimberg return -EINVAL; 4732e6631814SSagi Grimberg } 4733e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4734e6631814SSagi Grimberg prot_size); 4735e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4736e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4737e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4738e6631814SSagi Grimberg 4739e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4740e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4741e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 47425c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 47435c273b16SSagi Grimberg 4744e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4745e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4746e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4747e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 47485c273b16SSagi Grimberg 4749e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4750e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4751e6631814SSagi Grimberg } 4752e6631814SSagi Grimberg 4753e6631814SSagi Grimberg *seg += wqe_size; 4754e6631814SSagi Grimberg *size += wqe_size / 16; 475534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4756e6631814SSagi Grimberg 4757e6631814SSagi Grimberg bsf = *seg; 4758e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4759e6631814SSagi Grimberg if (ret) 4760e6631814SSagi Grimberg return -EINVAL; 4761e6631814SSagi Grimberg 4762e6631814SSagi Grimberg *seg += sizeof(*bsf); 4763e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 476434f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4765e6631814SSagi Grimberg 4766e6631814SSagi Grimberg return 0; 4767e6631814SSagi Grimberg } 4768e6631814SSagi Grimberg 4769e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 477022465bbaSMax Gurtovoy struct ib_mr *sig_mr, int access_flags, 477122465bbaSMax Gurtovoy u32 size, u32 length, u32 pdn) 4772e6631814SSagi Grimberg { 4773e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4774d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4775e6631814SSagi Grimberg 4776e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4777e6631814SSagi Grimberg 477822465bbaSMax Gurtovoy seg->flags = get_umr_flags(access_flags) | MLX5_MKC_ACCESS_MODE_KLMS; 4779e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4780d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4781e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4782e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 478331616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4784e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4785e6631814SSagi Grimberg } 4786e6631814SSagi Grimberg 4787e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 478831616255SArtemy Kovalyov u32 size) 4789e6631814SSagi Grimberg { 4790e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4791e6631814SSagi Grimberg 4792e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 479331616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4794e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4795e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4796e6631814SSagi Grimberg } 4797e6631814SSagi Grimberg 479838ca87c6SMax Gurtovoy static int set_pi_umr_wr(const struct ib_send_wr *send_wr, 479938ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 480038ca87c6SMax Gurtovoy void **cur_edge) 480138ca87c6SMax Gurtovoy { 480238ca87c6SMax Gurtovoy const struct ib_reg_wr *wr = reg_wr(send_wr); 480338ca87c6SMax Gurtovoy struct mlx5_ib_mr *sig_mr = to_mmr(wr->mr); 480438ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = sig_mr->pi_mr; 480538ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs = sig_mr->ibmr.sig_attrs; 480638ca87c6SMax Gurtovoy u32 pdn = get_pd(qp)->pdn; 480738ca87c6SMax Gurtovoy u32 xlt_size; 480838ca87c6SMax Gurtovoy int region_len, ret; 480938ca87c6SMax Gurtovoy 481038ca87c6SMax Gurtovoy if (unlikely(send_wr->num_sge != 0) || 481138ca87c6SMax Gurtovoy unlikely(wr->access & IB_ACCESS_REMOTE_ATOMIC) || 4812185eddc4SMax Gurtovoy unlikely(!sig_mr->sig) || unlikely(!qp->ibqp.integrity_en) || 481338ca87c6SMax Gurtovoy unlikely(!sig_mr->sig->sig_status_checked)) 481438ca87c6SMax Gurtovoy return -EINVAL; 481538ca87c6SMax Gurtovoy 481638ca87c6SMax Gurtovoy /* length of the protected region, data + protection */ 481738ca87c6SMax Gurtovoy region_len = pi_mr->ibmr.length; 481838ca87c6SMax Gurtovoy 481938ca87c6SMax Gurtovoy /** 482038ca87c6SMax Gurtovoy * KLM octoword size - if protection was provided 482138ca87c6SMax Gurtovoy * then we use strided block format (3 octowords), 482238ca87c6SMax Gurtovoy * else we use single KLM (1 octoword) 482338ca87c6SMax Gurtovoy **/ 482438ca87c6SMax Gurtovoy if (sig_attrs->mem.sig_type != IB_SIG_TYPE_NONE) 482538ca87c6SMax Gurtovoy xlt_size = 0x30; 482638ca87c6SMax Gurtovoy else 482738ca87c6SMax Gurtovoy xlt_size = sizeof(struct mlx5_klm); 482838ca87c6SMax Gurtovoy 482938ca87c6SMax Gurtovoy set_sig_umr_segment(*seg, xlt_size); 483038ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 483138ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 483238ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 483338ca87c6SMax Gurtovoy 483438ca87c6SMax Gurtovoy set_sig_mkey_segment(*seg, wr->mr, wr->access, xlt_size, region_len, 483538ca87c6SMax Gurtovoy pdn); 483638ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_mkey_seg); 483738ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_mkey_seg) / 16; 483838ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 483938ca87c6SMax Gurtovoy 484038ca87c6SMax Gurtovoy ret = set_sig_data_segment(send_wr, wr->mr, sig_attrs, qp, seg, size, 484138ca87c6SMax Gurtovoy cur_edge); 484238ca87c6SMax Gurtovoy if (ret) 484338ca87c6SMax Gurtovoy return ret; 484438ca87c6SMax Gurtovoy 484538ca87c6SMax Gurtovoy sig_mr->sig->sig_status_checked = false; 484638ca87c6SMax Gurtovoy return 0; 484738ca87c6SMax Gurtovoy } 4848e6631814SSagi Grimberg 4849e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4850e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4851e6631814SSagi Grimberg { 4852e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4853e6631814SSagi Grimberg 4854e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4855e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4856e6631814SSagi Grimberg switch (domain->sig_type) { 485778eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 485878eda2bbSSagi Grimberg break; 4859e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4860e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4861e6631814SSagi Grimberg domain->sig.dif.app_tag); 4862e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4863e6631814SSagi Grimberg break; 4864e6631814SSagi Grimberg default: 486512bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 486612bbf1eaSLeon Romanovsky domain->sig_type); 486712bbf1eaSLeon Romanovsky return -EINVAL; 4868e6631814SSagi Grimberg } 4869e6631814SSagi Grimberg 487078eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 487178eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 487278eda2bbSSagi Grimberg 4873e6631814SSagi Grimberg return 0; 4874e6631814SSagi Grimberg } 4875e6631814SSagi Grimberg 48768a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4877f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 48789ac7c4bcSMax Gurtovoy void **seg, int *size, void **cur_edge, 48799ac7c4bcSMax Gurtovoy bool check_not_free) 48808a187ee5SSagi Grimberg { 48818a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 48828a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 4883841b07f9SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(pd->ibpd.device); 488438ca87c6SMax Gurtovoy int mr_list_size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 4885064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 4886841b07f9SMoni Shoua bool atomic = wr->access & IB_ACCESS_REMOTE_ATOMIC; 48879ac7c4bcSMax Gurtovoy u8 flags = 0; 48888a187ee5SSagi Grimberg 4889d6de0bb1SMichael Guralnik if (!mlx5_ib_can_use_umr(dev, atomic, wr->access)) { 4890841b07f9SMoni Shoua mlx5_ib_warn(to_mdev(qp->ibqp.device), 4891841b07f9SMoni Shoua "Fast update of %s for MR is disabled\n", 4892841b07f9SMoni Shoua (MLX5_CAP_GEN(dev->mdev, 4893841b07f9SMoni Shoua umr_modify_entity_size_disabled)) ? 4894841b07f9SMoni Shoua "entity size" : 4895841b07f9SMoni Shoua "atomic access"); 4896841b07f9SMoni Shoua return -EINVAL; 4897841b07f9SMoni Shoua } 4898841b07f9SMoni Shoua 48998a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 49008a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 49018a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 49028a187ee5SSagi Grimberg return -EINVAL; 49038a187ee5SSagi Grimberg } 49048a187ee5SSagi Grimberg 49059ac7c4bcSMax Gurtovoy if (check_not_free) 49069ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_CHECK_NOT_FREE; 49079ac7c4bcSMax Gurtovoy if (umr_inline) 49089ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_INLINE; 49099ac7c4bcSMax Gurtovoy 4910841b07f9SMoni Shoua set_reg_umr_seg(*seg, mr, flags, atomic); 49118a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 49128a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 491334f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49148a187ee5SSagi Grimberg 49158a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 49168a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 49178a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 491834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 49198a187ee5SSagi Grimberg 4920064e5262SIdan Burstein if (umr_inline) { 492134f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 492234f4c955SGuy Levi mr_list_size); 492334f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4924064e5262SIdan Burstein } else { 49258a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 49268a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 49278a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4928064e5262SIdan Burstein } 49298a187ee5SSagi Grimberg return 0; 49308a187ee5SSagi Grimberg } 49318a187ee5SSagi Grimberg 493234f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 493334f4c955SGuy Levi void **cur_edge) 4934e126ba97SEli Cohen { 4935dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4936e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4937e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 493834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4939dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4940e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4941e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 494234f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4943e126ba97SEli Cohen } 4944e126ba97SEli Cohen 494534f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4946e126ba97SEli Cohen { 4947e126ba97SEli Cohen __be32 *p = NULL; 4948e126ba97SEli Cohen int i, j; 4949e126ba97SEli Cohen 495034f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4951e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4952e126ba97SEli Cohen if ((i & 0xf) == 0) { 49531e5887b7SArtemy Kovalyov p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); 495434f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4955e126ba97SEli Cohen j = 0; 49561e5887b7SArtemy Kovalyov idx = (idx + 1) & (qp->sq.wqe_cnt - 1); 4957e126ba97SEli Cohen } 4958e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4959e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4960e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4961e126ba97SEli Cohen } 4962e126ba97SEli Cohen } 4963e126ba97SEli Cohen 49647bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49656e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 496634f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 496734f4c955SGuy Levi int *size, void **cur_edge, int nreq, 496834f4c955SGuy Levi bool send_signaled, bool solicited) 49696e5eadacSSagi Grimberg { 4970b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4971b2a232d2SLeon Romanovsky return -ENOMEM; 49726e5eadacSSagi Grimberg 49736e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 497434f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 49756e5eadacSSagi Grimberg *ctrl = *seg; 49766e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 49776e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 49786e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 49797bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 49807bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 49816e5eadacSSagi Grimberg 49826e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 49836e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 498434f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 49856e5eadacSSagi Grimberg 4986b2a232d2SLeon Romanovsky return 0; 49876e5eadacSSagi Grimberg } 49886e5eadacSSagi Grimberg 49897bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49907bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 49917bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 499234f4c955SGuy Levi int *size, void **cur_edge, int nreq) 49937bb1fafcSBart Van Assche { 499434f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 49957bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 49967bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 49977bb1fafcSBart Van Assche } 49987bb1fafcSBart Van Assche 49996e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 50006e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 500134f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 500234f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 500334f4c955SGuy Levi u32 mlx5_opcode) 50046e5eadacSSagi Grimberg { 50056e5eadacSSagi Grimberg u8 opmod = 0; 50066e5eadacSSagi Grimberg 50076e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 50086e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 500919098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 50106e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 5011c95e6d53SLeon Romanovsky if (unlikely(qp->flags_en & MLX5_QP_FLAG_SIGNATURE)) 50126e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 50136e5eadacSSagi Grimberg 50146e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 50156e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 50166e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 50176e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 50186e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 501934f4c955SGuy Levi 502034f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 502134f4c955SGuy Levi * construction, into SQ's cache. 502234f4c955SGuy Levi */ 502334f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 502434f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 502534f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 502634f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 502734f4c955SGuy Levi cur_edge; 50286e5eadacSSagi Grimberg } 50296e5eadacSSagi Grimberg 5030d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5031d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 5032e126ba97SEli Cohen { 5033e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 5034e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 503589ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 503638ca87c6SMax Gurtovoy struct ib_reg_wr reg_pi_wr; 5037d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 5038e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 503938ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr; 50402563e2f3SMax Gurtovoy struct mlx5_ib_mr pa_pi_mr; 504138ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs; 5042e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 5043d16e91daSHaggai Eran struct mlx5_bf *bf; 504434f4c955SGuy Levi void *cur_edge; 5045e126ba97SEli Cohen int uninitialized_var(size); 5046e126ba97SEli Cohen unsigned long flags; 5047e126ba97SEli Cohen unsigned idx; 5048e126ba97SEli Cohen int err = 0; 5049e126ba97SEli Cohen int num_sge; 5050e126ba97SEli Cohen void *seg; 5051e126ba97SEli Cohen int nreq; 5052e126ba97SEli Cohen int i; 5053e126ba97SEli Cohen u8 next_fence = 0; 5054e126ba97SEli Cohen u8 fence; 5055e126ba97SEli Cohen 50566c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 50576c75520fSParav Pandit !drain)) { 50586c75520fSParav Pandit *bad_wr = wr; 50596c75520fSParav Pandit return -EIO; 50606c75520fSParav Pandit } 50616c75520fSParav Pandit 5062d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5063d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 5064d16e91daSHaggai Eran 5065d16e91daSHaggai Eran qp = to_mqp(ibqp); 50665fe9dec0SEli Cohen bf = &qp->bf; 5067d16e91daSHaggai Eran 5068e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 5069e126ba97SEli Cohen 5070e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5071a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 5072e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5073e126ba97SEli Cohen err = -EINVAL; 5074e126ba97SEli Cohen *bad_wr = wr; 5075e126ba97SEli Cohen goto out; 5076e126ba97SEli Cohen } 5077e126ba97SEli Cohen 5078e126ba97SEli Cohen num_sge = wr->num_sge; 5079e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 5080e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 508124be409bSChuck Lever err = -EINVAL; 5082e126ba97SEli Cohen *bad_wr = wr; 5083e126ba97SEli Cohen goto out; 5084e126ba97SEli Cohen } 5085e126ba97SEli Cohen 508634f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 508734f4c955SGuy Levi nreq); 50886e5eadacSSagi Grimberg if (err) { 50896e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 50906e5eadacSSagi Grimberg err = -ENOMEM; 50916e5eadacSSagi Grimberg *bad_wr = wr; 50926e5eadacSSagi Grimberg goto out; 50936e5eadacSSagi Grimberg } 5094e126ba97SEli Cohen 509538ca87c6SMax Gurtovoy if (wr->opcode == IB_WR_REG_MR || 509638ca87c6SMax Gurtovoy wr->opcode == IB_WR_REG_MR_INTEGRITY) { 50976e8484c5SMax Gurtovoy fence = dev->umr_fence; 50986e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 5099074fca3aSMajd Dibbiny } else { 5100074fca3aSMajd Dibbiny if (wr->send_flags & IB_SEND_FENCE) { 51016e8484c5SMax Gurtovoy if (qp->next_fence) 51026e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 51036e8484c5SMax Gurtovoy else 51046e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 51056e8484c5SMax Gurtovoy } else { 51066e8484c5SMax Gurtovoy fence = qp->next_fence; 51076e8484c5SMax Gurtovoy } 5108074fca3aSMajd Dibbiny } 51096e8484c5SMax Gurtovoy 5110e126ba97SEli Cohen switch (ibqp->qp_type) { 5111e126ba97SEli Cohen case IB_QPT_XRC_INI: 5112e126ba97SEli Cohen xrc = seg; 5113e126ba97SEli Cohen seg += sizeof(*xrc); 5114e126ba97SEli Cohen size += sizeof(*xrc) / 16; 5115e126ba97SEli Cohen /* fall through */ 5116e126ba97SEli Cohen case IB_QPT_RC: 5117e126ba97SEli Cohen switch (wr->opcode) { 5118e126ba97SEli Cohen case IB_WR_RDMA_READ: 5119e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5120e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5121e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5122e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5123e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5124e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5125e126ba97SEli Cohen break; 5126e126ba97SEli Cohen 5127e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 5128e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 5129e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 513081bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 513181bea28fSEli Cohen err = -ENOSYS; 513281bea28fSEli Cohen *bad_wr = wr; 513381bea28fSEli Cohen goto out; 5134e126ba97SEli Cohen 5135e126ba97SEli Cohen case IB_WR_LOCAL_INV: 5136e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 5137e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 513834f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 5139e126ba97SEli Cohen num_sge = 0; 5140e126ba97SEli Cohen break; 5141e126ba97SEli Cohen 51428a187ee5SSagi Grimberg case IB_WR_REG_MR: 51438a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 51448a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 514534f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 51469ac7c4bcSMax Gurtovoy &cur_edge, true); 51478a187ee5SSagi Grimberg if (err) { 51488a187ee5SSagi Grimberg *bad_wr = wr; 51498a187ee5SSagi Grimberg goto out; 51508a187ee5SSagi Grimberg } 51518a187ee5SSagi Grimberg num_sge = 0; 51528a187ee5SSagi Grimberg break; 51538a187ee5SSagi Grimberg 515438ca87c6SMax Gurtovoy case IB_WR_REG_MR_INTEGRITY: 51552563e2f3SMax Gurtovoy qp->sq.wr_data[idx] = IB_WR_REG_MR_INTEGRITY; 515638ca87c6SMax Gurtovoy 515738ca87c6SMax Gurtovoy mr = to_mmr(reg_wr(wr)->mr); 515838ca87c6SMax Gurtovoy pi_mr = mr->pi_mr; 515938ca87c6SMax Gurtovoy 51602563e2f3SMax Gurtovoy if (pi_mr) { 51612563e2f3SMax Gurtovoy memset(®_pi_wr, 0, 51622563e2f3SMax Gurtovoy sizeof(struct ib_reg_wr)); 51632563e2f3SMax Gurtovoy 516438ca87c6SMax Gurtovoy reg_pi_wr.mr = &pi_mr->ibmr; 516538ca87c6SMax Gurtovoy reg_pi_wr.access = reg_wr(wr)->access; 516638ca87c6SMax Gurtovoy reg_pi_wr.key = pi_mr->ibmr.rkey; 516738ca87c6SMax Gurtovoy 516838ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(reg_pi_wr.key); 51692563e2f3SMax Gurtovoy /* UMR for data + prot registration */ 51702563e2f3SMax Gurtovoy err = set_reg_wr(qp, ®_pi_wr, &seg, 51712563e2f3SMax Gurtovoy &size, &cur_edge, 51722563e2f3SMax Gurtovoy false); 517338ca87c6SMax Gurtovoy if (err) { 517438ca87c6SMax Gurtovoy *bad_wr = wr; 517538ca87c6SMax Gurtovoy goto out; 517638ca87c6SMax Gurtovoy } 51772563e2f3SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, 51782563e2f3SMax Gurtovoy cur_edge, idx, wr->wr_id, 51792563e2f3SMax Gurtovoy nreq, fence, 518038ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 518138ca87c6SMax Gurtovoy 51822563e2f3SMax Gurtovoy err = begin_wqe(qp, &seg, &ctrl, wr, 51832563e2f3SMax Gurtovoy &idx, &size, &cur_edge, 51842563e2f3SMax Gurtovoy nreq); 518538ca87c6SMax Gurtovoy if (err) { 518638ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 518738ca87c6SMax Gurtovoy err = -ENOMEM; 518838ca87c6SMax Gurtovoy *bad_wr = wr; 518938ca87c6SMax Gurtovoy goto out; 519038ca87c6SMax Gurtovoy } 51912563e2f3SMax Gurtovoy } else { 51922563e2f3SMax Gurtovoy memset(&pa_pi_mr, 0, 51932563e2f3SMax Gurtovoy sizeof(struct mlx5_ib_mr)); 51942563e2f3SMax Gurtovoy /* No UMR, use local_dma_lkey */ 51952563e2f3SMax Gurtovoy pa_pi_mr.ibmr.lkey = 51962563e2f3SMax Gurtovoy mr->ibmr.pd->local_dma_lkey; 51972563e2f3SMax Gurtovoy 51982563e2f3SMax Gurtovoy pa_pi_mr.ndescs = mr->ndescs; 51992563e2f3SMax Gurtovoy pa_pi_mr.data_length = mr->data_length; 52002563e2f3SMax Gurtovoy pa_pi_mr.data_iova = mr->data_iova; 52012563e2f3SMax Gurtovoy if (mr->meta_ndescs) { 52022563e2f3SMax Gurtovoy pa_pi_mr.meta_ndescs = 52032563e2f3SMax Gurtovoy mr->meta_ndescs; 52042563e2f3SMax Gurtovoy pa_pi_mr.meta_length = 52052563e2f3SMax Gurtovoy mr->meta_length; 52062563e2f3SMax Gurtovoy pa_pi_mr.pi_iova = mr->pi_iova; 52072563e2f3SMax Gurtovoy } 52082563e2f3SMax Gurtovoy 52092563e2f3SMax Gurtovoy pa_pi_mr.ibmr.length = mr->ibmr.length; 52102563e2f3SMax Gurtovoy mr->pi_mr = &pa_pi_mr; 52112563e2f3SMax Gurtovoy } 521238ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 521338ca87c6SMax Gurtovoy /* UMR for sig MR */ 521438ca87c6SMax Gurtovoy err = set_pi_umr_wr(wr, qp, &seg, &size, 521538ca87c6SMax Gurtovoy &cur_edge); 521638ca87c6SMax Gurtovoy if (err) { 521738ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 521838ca87c6SMax Gurtovoy *bad_wr = wr; 521938ca87c6SMax Gurtovoy goto out; 522038ca87c6SMax Gurtovoy } 522138ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 522238ca87c6SMax Gurtovoy wr->wr_id, nreq, fence, 522338ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 522438ca87c6SMax Gurtovoy 522538ca87c6SMax Gurtovoy /* 522638ca87c6SMax Gurtovoy * SET_PSV WQEs are not signaled and solicited 522738ca87c6SMax Gurtovoy * on error 522838ca87c6SMax Gurtovoy */ 522938ca87c6SMax Gurtovoy sig_attrs = mr->ibmr.sig_attrs; 523038ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 523138ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 523238ca87c6SMax Gurtovoy true); 523338ca87c6SMax Gurtovoy if (err) { 523438ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 523538ca87c6SMax Gurtovoy err = -ENOMEM; 523638ca87c6SMax Gurtovoy *bad_wr = wr; 523738ca87c6SMax Gurtovoy goto out; 523838ca87c6SMax Gurtovoy } 523938ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->mem, 524038ca87c6SMax Gurtovoy mr->sig->psv_memory.psv_idx, 524138ca87c6SMax Gurtovoy &seg, &size); 524238ca87c6SMax Gurtovoy if (err) { 524338ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 524438ca87c6SMax Gurtovoy *bad_wr = wr; 524538ca87c6SMax Gurtovoy goto out; 524638ca87c6SMax Gurtovoy } 524738ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 524838ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 524938ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 525038ca87c6SMax Gurtovoy 525138ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 525238ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 525338ca87c6SMax Gurtovoy true); 525438ca87c6SMax Gurtovoy if (err) { 525538ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 525638ca87c6SMax Gurtovoy err = -ENOMEM; 525738ca87c6SMax Gurtovoy *bad_wr = wr; 525838ca87c6SMax Gurtovoy goto out; 525938ca87c6SMax Gurtovoy } 526038ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->wire, 526138ca87c6SMax Gurtovoy mr->sig->psv_wire.psv_idx, 526238ca87c6SMax Gurtovoy &seg, &size); 526338ca87c6SMax Gurtovoy if (err) { 526438ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 526538ca87c6SMax Gurtovoy *bad_wr = wr; 526638ca87c6SMax Gurtovoy goto out; 526738ca87c6SMax Gurtovoy } 526838ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 526938ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 527038ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 527138ca87c6SMax Gurtovoy 527238ca87c6SMax Gurtovoy qp->next_fence = 527338ca87c6SMax Gurtovoy MLX5_FENCE_MODE_INITIATOR_SMALL; 527438ca87c6SMax Gurtovoy num_sge = 0; 527538ca87c6SMax Gurtovoy goto skip_psv; 527638ca87c6SMax Gurtovoy 5277e126ba97SEli Cohen default: 5278e126ba97SEli Cohen break; 5279e126ba97SEli Cohen } 5280e126ba97SEli Cohen break; 5281e126ba97SEli Cohen 5282e126ba97SEli Cohen case IB_QPT_UC: 5283e126ba97SEli Cohen switch (wr->opcode) { 5284e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5285e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5286e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5287e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5288e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5289e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5290e126ba97SEli Cohen break; 5291e126ba97SEli Cohen 5292e126ba97SEli Cohen default: 5293e126ba97SEli Cohen break; 5294e126ba97SEli Cohen } 5295e126ba97SEli Cohen break; 5296e126ba97SEli Cohen 5297e126ba97SEli Cohen case IB_QPT_SMI: 52981e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 52991e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 53001e0e50b6SMaor Gottlieb err = -EPERM; 53011e0e50b6SMaor Gottlieb *bad_wr = wr; 53021e0e50b6SMaor Gottlieb goto out; 53031e0e50b6SMaor Gottlieb } 5304f6b1ee34SBart Van Assche /* fall through */ 5305d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 5306e126ba97SEli Cohen set_datagram_seg(seg, wr); 5307e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 5308e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 530934f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 531034f4c955SGuy Levi 5311e126ba97SEli Cohen break; 5312f0313965SErez Shitrit case IB_QPT_UD: 5313f0313965SErez Shitrit set_datagram_seg(seg, wr); 5314f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 5315f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 531634f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5317f0313965SErez Shitrit 5318f0313965SErez Shitrit /* handle qp that supports ud offload */ 5319f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 5320f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 5321f0313965SErez Shitrit 5322f0313965SErez Shitrit pad = seg; 5323f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 5324f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 5325f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 532634f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 532734f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 532834f4c955SGuy Levi &cur_edge); 5329f0313965SErez Shitrit } 5330f0313965SErez Shitrit break; 5331e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 5332e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 5333e126ba97SEli Cohen err = -EINVAL; 5334e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 5335e126ba97SEli Cohen goto out; 5336e126ba97SEli Cohen } 5337e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 5338e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 5339c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 5340c8d75a98SMajd Dibbiny if (unlikely(err)) 5341c8d75a98SMajd Dibbiny goto out; 5342e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 5343e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 534434f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5345e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 5346e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 5347e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 534834f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5349e126ba97SEli Cohen break; 5350e126ba97SEli Cohen 5351e126ba97SEli Cohen default: 5352e126ba97SEli Cohen break; 5353e126ba97SEli Cohen } 5354e126ba97SEli Cohen 5355e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 535634f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 5357e126ba97SEli Cohen if (unlikely(err)) { 5358e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5359e126ba97SEli Cohen *bad_wr = wr; 5360e126ba97SEli Cohen goto out; 5361e126ba97SEli Cohen } 5362e126ba97SEli Cohen } else { 5363e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 536434f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 536534f4c955SGuy Levi &cur_edge); 5366e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 536734f4c955SGuy Levi set_data_ptr_seg 536834f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 536934f4c955SGuy Levi wr->sg_list + i); 5370e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 537134f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 5372e126ba97SEli Cohen } 5373e126ba97SEli Cohen } 5374e126ba97SEli Cohen } 5375e126ba97SEli Cohen 53766e8484c5SMax Gurtovoy qp->next_fence = next_fence; 537734f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 537834f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 5379e6631814SSagi Grimberg skip_psv: 5380e126ba97SEli Cohen if (0) 5381e126ba97SEli Cohen dump_wqe(qp, idx, size); 5382e126ba97SEli Cohen } 5383e126ba97SEli Cohen 5384e126ba97SEli Cohen out: 5385e126ba97SEli Cohen if (likely(nreq)) { 5386e126ba97SEli Cohen qp->sq.head += nreq; 5387e126ba97SEli Cohen 5388e126ba97SEli Cohen /* Make sure that descriptors are written before 5389e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 5390e126ba97SEli Cohen */ 5391e126ba97SEli Cohen wmb(); 5392e126ba97SEli Cohen 5393e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5394e126ba97SEli Cohen 5395ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5396ada388f7SEli Cohen * we hit doorbell */ 5397ada388f7SEli Cohen wmb(); 5398ada388f7SEli Cohen 5399bbf29f61SMaxim Mikityanskiy mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); 5400e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5401e126ba97SEli Cohen * and reach the HCA out of order. 5402e126ba97SEli Cohen */ 5403e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5404e126ba97SEli Cohen } 5405e126ba97SEli Cohen 5406e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5407e126ba97SEli Cohen 5408e126ba97SEli Cohen return err; 5409e126ba97SEli Cohen } 5410e126ba97SEli Cohen 5411d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5412d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5413d0e84c0aSYishai Hadas { 5414d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5415d0e84c0aSYishai Hadas } 5416d0e84c0aSYishai Hadas 5417e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5418e126ba97SEli Cohen { 5419e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5420e126ba97SEli Cohen } 5421e126ba97SEli Cohen 5422d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5423d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5424e126ba97SEli Cohen { 5425e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5426e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5427e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 542889ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 542989ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5430e126ba97SEli Cohen unsigned long flags; 5431e126ba97SEli Cohen int err = 0; 5432e126ba97SEli Cohen int nreq; 5433e126ba97SEli Cohen int ind; 5434e126ba97SEli Cohen int i; 5435e126ba97SEli Cohen 54366c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 54376c75520fSParav Pandit !drain)) { 54386c75520fSParav Pandit *bad_wr = wr; 54396c75520fSParav Pandit return -EIO; 54406c75520fSParav Pandit } 54416c75520fSParav Pandit 5442d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5443d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5444d16e91daSHaggai Eran 5445e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5446e126ba97SEli Cohen 5447e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5448e126ba97SEli Cohen 5449e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5450e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5451e126ba97SEli Cohen err = -ENOMEM; 5452e126ba97SEli Cohen *bad_wr = wr; 5453e126ba97SEli Cohen goto out; 5454e126ba97SEli Cohen } 5455e126ba97SEli Cohen 5456e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5457e126ba97SEli Cohen err = -EINVAL; 5458e126ba97SEli Cohen *bad_wr = wr; 5459e126ba97SEli Cohen goto out; 5460e126ba97SEli Cohen } 5461e126ba97SEli Cohen 546234f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5463c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) 5464e126ba97SEli Cohen scat++; 5465e126ba97SEli Cohen 5466e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5467e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5468e126ba97SEli Cohen 5469e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5470e126ba97SEli Cohen scat[i].byte_count = 0; 5471e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5472e126ba97SEli Cohen scat[i].addr = 0; 5473e126ba97SEli Cohen } 5474e126ba97SEli Cohen 5475c95e6d53SLeon Romanovsky if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) { 5476e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5477e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5478e126ba97SEli Cohen } 5479e126ba97SEli Cohen 5480e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5481e126ba97SEli Cohen 5482e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5483e126ba97SEli Cohen } 5484e126ba97SEli Cohen 5485e126ba97SEli Cohen out: 5486e126ba97SEli Cohen if (likely(nreq)) { 5487e126ba97SEli Cohen qp->rq.head += nreq; 5488e126ba97SEli Cohen 5489e126ba97SEli Cohen /* Make sure that descriptors are written before 5490e126ba97SEli Cohen * doorbell record. 5491e126ba97SEli Cohen */ 5492e126ba97SEli Cohen wmb(); 5493e126ba97SEli Cohen 5494e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5495e126ba97SEli Cohen } 5496e126ba97SEli Cohen 5497e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5498e126ba97SEli Cohen 5499e126ba97SEli Cohen return err; 5500e126ba97SEli Cohen } 5501e126ba97SEli Cohen 5502d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5503d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5504d0e84c0aSYishai Hadas { 5505d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5506d0e84c0aSYishai Hadas } 5507d0e84c0aSYishai Hadas 5508e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5509e126ba97SEli Cohen { 5510e126ba97SEli Cohen switch (mlx5_state) { 5511e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5512e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5513e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5514e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5515e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5516e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5517e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5518e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5519e126ba97SEli Cohen default: return -1; 5520e126ba97SEli Cohen } 5521e126ba97SEli Cohen } 5522e126ba97SEli Cohen 5523e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5524e126ba97SEli Cohen { 5525e126ba97SEli Cohen switch (mlx5_mig_state) { 5526e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5527e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5528e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5529e126ba97SEli Cohen default: return -1; 5530e126ba97SEli Cohen } 5531e126ba97SEli Cohen } 5532e126ba97SEli Cohen 5533e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5534e126ba97SEli Cohen { 5535e126ba97SEli Cohen int ib_flags = 0; 5536e126ba97SEli Cohen 5537e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5538e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5539e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5540e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5541e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5542e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5543e126ba97SEli Cohen 5544e126ba97SEli Cohen return ib_flags; 5545e126ba97SEli Cohen } 5546e126ba97SEli Cohen 554738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5548d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5549e126ba97SEli Cohen struct mlx5_qp_path *path) 5550e126ba97SEli Cohen { 5551e126ba97SEli Cohen 5552d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5553e126ba97SEli Cohen 5554e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5555e126ba97SEli Cohen return; 5556e126ba97SEli Cohen 5557ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5558ae59c3f0SLeon Romanovsky 5559d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5560d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5561e126ba97SEli Cohen 5562d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5563d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5564d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5565d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5566d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5567d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5568d8966fcdSDasaratharaman Chandramouli 5569d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5570d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5571d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5572d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5573d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5574d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5575e126ba97SEli Cohen } 5576e126ba97SEli Cohen } 5577e126ba97SEli Cohen 55786d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 55796d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 55806d2f89dfSmajd@mellanox.com u8 *sq_state) 5581e126ba97SEli Cohen { 55826d2f89dfSmajd@mellanox.com int err; 55836d2f89dfSmajd@mellanox.com 558428160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 55856d2f89dfSmajd@mellanox.com if (err) 55866d2f89dfSmajd@mellanox.com goto out; 55876d2f89dfSmajd@mellanox.com sq->state = *sq_state; 55886d2f89dfSmajd@mellanox.com 55896d2f89dfSmajd@mellanox.com out: 55906d2f89dfSmajd@mellanox.com return err; 55916d2f89dfSmajd@mellanox.com } 55926d2f89dfSmajd@mellanox.com 55936d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 55946d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 55956d2f89dfSmajd@mellanox.com u8 *rq_state) 55966d2f89dfSmajd@mellanox.com { 55976d2f89dfSmajd@mellanox.com void *out; 55986d2f89dfSmajd@mellanox.com void *rqc; 55996d2f89dfSmajd@mellanox.com int inlen; 56006d2f89dfSmajd@mellanox.com int err; 56016d2f89dfSmajd@mellanox.com 56026d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 56031b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 56046d2f89dfSmajd@mellanox.com if (!out) 56056d2f89dfSmajd@mellanox.com return -ENOMEM; 56066d2f89dfSmajd@mellanox.com 56076d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 56086d2f89dfSmajd@mellanox.com if (err) 56096d2f89dfSmajd@mellanox.com goto out; 56106d2f89dfSmajd@mellanox.com 56116d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 56126d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 56136d2f89dfSmajd@mellanox.com rq->state = *rq_state; 56146d2f89dfSmajd@mellanox.com 56156d2f89dfSmajd@mellanox.com out: 56166d2f89dfSmajd@mellanox.com kvfree(out); 56176d2f89dfSmajd@mellanox.com return err; 56186d2f89dfSmajd@mellanox.com } 56196d2f89dfSmajd@mellanox.com 56206d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 56216d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 56226d2f89dfSmajd@mellanox.com { 56236d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 56246d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 56256d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56266d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56276d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 56286d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 56296d2f89dfSmajd@mellanox.com }, 56306d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 56316d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56326d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56336d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 56346d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 56356d2f89dfSmajd@mellanox.com }, 56366d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 56376d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 56386d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 56396d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 56406d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 56416d2f89dfSmajd@mellanox.com }, 56426d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 56436d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 56446d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 56456d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 56466d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 56476d2f89dfSmajd@mellanox.com }, 56486d2f89dfSmajd@mellanox.com }; 56496d2f89dfSmajd@mellanox.com 56506d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 56516d2f89dfSmajd@mellanox.com 56526d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 56536d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 56546d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 56556d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 56566d2f89dfSmajd@mellanox.com return -EINVAL; 56576d2f89dfSmajd@mellanox.com } 56586d2f89dfSmajd@mellanox.com 56596d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 56606d2f89dfSmajd@mellanox.com *qp_state = qp->state; 56616d2f89dfSmajd@mellanox.com 56626d2f89dfSmajd@mellanox.com return 0; 56636d2f89dfSmajd@mellanox.com } 56646d2f89dfSmajd@mellanox.com 56656d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 56666d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 56676d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 56686d2f89dfSmajd@mellanox.com { 56696d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 56706d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 56716d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 56726d2f89dfSmajd@mellanox.com int err; 56736d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 56746d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 56756d2f89dfSmajd@mellanox.com 56766d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 56776d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 56786d2f89dfSmajd@mellanox.com if (err) 56796d2f89dfSmajd@mellanox.com return err; 56806d2f89dfSmajd@mellanox.com } 56816d2f89dfSmajd@mellanox.com 56826d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 56836d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 56846d2f89dfSmajd@mellanox.com if (err) 56856d2f89dfSmajd@mellanox.com return err; 56866d2f89dfSmajd@mellanox.com } 56876d2f89dfSmajd@mellanox.com 56886d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 56896d2f89dfSmajd@mellanox.com raw_packet_qp_state); 56906d2f89dfSmajd@mellanox.com } 56916d2f89dfSmajd@mellanox.com 56926d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 56936d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 56946d2f89dfSmajd@mellanox.com { 569509a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5696e126ba97SEli Cohen struct mlx5_qp_context *context; 5697e126ba97SEli Cohen int mlx5_state; 569809a7d9ecSSaeed Mahameed u32 *outb; 5699e126ba97SEli Cohen int err = 0; 5700e126ba97SEli Cohen 570109a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 57026d2f89dfSmajd@mellanox.com if (!outb) 57036d2f89dfSmajd@mellanox.com return -ENOMEM; 57046d2f89dfSmajd@mellanox.com 5705333fbaa0SLeon Romanovsky err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); 5706e126ba97SEli Cohen if (err) 57076d2f89dfSmajd@mellanox.com goto out; 5708e126ba97SEli Cohen 570909a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 571009a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 571109a7d9ecSSaeed Mahameed 5712e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5713e126ba97SEli Cohen 5714e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5715e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5716e126ba97SEli Cohen qp_attr->path_mig_state = 5717e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5718e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5719e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5720e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5721e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5722e126ba97SEli Cohen qp_attr->qp_access_flags = 5723e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5724e126ba97SEli Cohen 5725e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 572638349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 572738349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5728d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5729d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5730d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5731d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5732e126ba97SEli Cohen } 5733e126ba97SEli Cohen 5734d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5735e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5736e126ba97SEli Cohen 5737e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5738e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5739e126ba97SEli Cohen 5740e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5741e126ba97SEli Cohen 5742e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5743e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5744e126ba97SEli Cohen qp_attr->min_rnr_timer = 5745e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5746e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5747e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5748e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5749e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 57506d2f89dfSmajd@mellanox.com 57516d2f89dfSmajd@mellanox.com out: 57526d2f89dfSmajd@mellanox.com kfree(outb); 57536d2f89dfSmajd@mellanox.com return err; 57546d2f89dfSmajd@mellanox.com } 57556d2f89dfSmajd@mellanox.com 5756776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5757776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5758776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5759776a3906SMoni Shoua { 5760776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5761776a3906SMoni Shoua u32 *out; 5762776a3906SMoni Shoua u32 access_flags = 0; 5763776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5764776a3906SMoni Shoua void *dctc; 5765776a3906SMoni Shoua int err; 5766776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5767776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5768776a3906SMoni Shoua IB_QP_PORT | 5769776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5770776a3906SMoni Shoua IB_QP_AV | 5771776a3906SMoni Shoua IB_QP_PATH_MTU | 5772776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5773776a3906SMoni Shoua 5774776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5775776a3906SMoni Shoua return -EINVAL; 5776776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5777776a3906SMoni Shoua return -EINVAL; 5778776a3906SMoni Shoua 5779776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5780776a3906SMoni Shoua if (!out) 5781776a3906SMoni Shoua return -ENOMEM; 5782776a3906SMoni Shoua 5783333fbaa0SLeon Romanovsky err = mlx5_core_dct_query(dev, dct, out, outlen); 5784776a3906SMoni Shoua if (err) 5785776a3906SMoni Shoua goto out; 5786776a3906SMoni Shoua 5787776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5788776a3906SMoni Shoua 5789776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5790776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5791776a3906SMoni Shoua 5792776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5793776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5794776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5795776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5796776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5797776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5798776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5799776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5800776a3906SMoni Shoua } 5801776a3906SMoni Shoua 5802776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5803776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5804776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5805776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5806776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5807776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5808776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5809776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5810776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5811776a3906SMoni Shoua } 5812776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5813776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5814776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5815776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5816776a3906SMoni Shoua out: 5817776a3906SMoni Shoua kfree(out); 5818776a3906SMoni Shoua return err; 5819776a3906SMoni Shoua } 5820776a3906SMoni Shoua 58216d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 58226d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 58236d2f89dfSmajd@mellanox.com { 58246d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 58256d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 58266d2f89dfSmajd@mellanox.com int err = 0; 58276d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 58286d2f89dfSmajd@mellanox.com 582928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 583028d61370SYishai Hadas return -ENOSYS; 583128d61370SYishai Hadas 5832d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5833d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5834d16e91daSHaggai Eran qp_init_attr); 5835d16e91daSHaggai Eran 5836c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5837c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5838c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5839c2e53b2cSYishai Hadas 5840776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5841776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5842776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5843776a3906SMoni Shoua 58446d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 58456d2f89dfSmajd@mellanox.com 5846c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 58472be08c30SLeon Romanovsky qp->flags & IB_QP_CREATE_SOURCE_QPN) { 58486d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 58496d2f89dfSmajd@mellanox.com if (err) 58506d2f89dfSmajd@mellanox.com goto out; 58516d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 58526d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 58536d2f89dfSmajd@mellanox.com } else { 58546d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 58556d2f89dfSmajd@mellanox.com if (err) 58566d2f89dfSmajd@mellanox.com goto out; 58576d2f89dfSmajd@mellanox.com } 58586d2f89dfSmajd@mellanox.com 58596d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5860e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5861e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5862e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5863e126ba97SEli Cohen 5864e126ba97SEli Cohen if (!ibqp->uobject) { 58650540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5866e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 58670540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5868e126ba97SEli Cohen } else { 5869e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5870e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5871e126ba97SEli Cohen } 5872e126ba97SEli Cohen 58730540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 58740540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 58750540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 58760540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 58770540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5878e126ba97SEli Cohen 5879e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5880e126ba97SEli Cohen 5881a8f3ea61SLeon Romanovsky qp_init_attr->create_flags = qp->flags; 5882051f2630SLeon Romanovsky 5883e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5884e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5885e126ba97SEli Cohen 5886e126ba97SEli Cohen out: 5887e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5888e126ba97SEli Cohen return err; 5889e126ba97SEli Cohen } 5890e126ba97SEli Cohen 5891e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5892e126ba97SEli Cohen struct ib_udata *udata) 5893e126ba97SEli Cohen { 5894e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5895e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5896e126ba97SEli Cohen int err; 5897e126ba97SEli Cohen 5898938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5899e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5900e126ba97SEli Cohen 5901e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5902e126ba97SEli Cohen if (!xrcd) 5903e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5904e126ba97SEli Cohen 59055aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5906e126ba97SEli Cohen if (err) { 5907e126ba97SEli Cohen kfree(xrcd); 5908e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5909e126ba97SEli Cohen } 5910e126ba97SEli Cohen 5911e126ba97SEli Cohen return &xrcd->ibxrcd; 5912e126ba97SEli Cohen } 5913e126ba97SEli Cohen 5914c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5915e126ba97SEli Cohen { 5916e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5917e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5918e126ba97SEli Cohen int err; 5919e126ba97SEli Cohen 59205aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5921b081808aSLeon Romanovsky if (err) 5922e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5923e126ba97SEli Cohen 5924e126ba97SEli Cohen kfree(xrcd); 5925e126ba97SEli Cohen return 0; 5926e126ba97SEli Cohen } 592779b20a6cSYishai Hadas 5928350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5929350d0e4cSYishai Hadas { 5930350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5931350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5932350d0e4cSYishai Hadas struct ib_event event; 5933350d0e4cSYishai Hadas 5934350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5935350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5936350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5937350d0e4cSYishai Hadas switch (type) { 5938350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5939350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5940350d0e4cSYishai Hadas break; 5941350d0e4cSYishai Hadas default: 5942350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5943350d0e4cSYishai Hadas return; 5944350d0e4cSYishai Hadas } 5945350d0e4cSYishai Hadas 5946350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5947350d0e4cSYishai Hadas } 5948350d0e4cSYishai Hadas } 5949350d0e4cSYishai Hadas 595003404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 595103404e8aSMaor Gottlieb { 595203404e8aSMaor Gottlieb int err = 0; 595303404e8aSMaor Gottlieb 595403404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 595503404e8aSMaor Gottlieb if (dev->delay_drop.activate) 595603404e8aSMaor Gottlieb goto out; 595703404e8aSMaor Gottlieb 5958333fbaa0SLeon Romanovsky err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); 595903404e8aSMaor Gottlieb if (err) 596003404e8aSMaor Gottlieb goto out; 596103404e8aSMaor Gottlieb 596203404e8aSMaor Gottlieb dev->delay_drop.activate = true; 596303404e8aSMaor Gottlieb out: 596403404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5965fe248c3aSMaor Gottlieb 5966fe248c3aSMaor Gottlieb if (!err) 5967fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 596803404e8aSMaor Gottlieb return err; 596903404e8aSMaor Gottlieb } 597003404e8aSMaor Gottlieb 597179b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 597279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 597379b20a6cSYishai Hadas { 597479b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 59754be6da1eSNoa Osherovich int has_net_offloads; 597679b20a6cSYishai Hadas __be64 *rq_pas0; 597779b20a6cSYishai Hadas void *in; 597879b20a6cSYishai Hadas void *rqc; 597979b20a6cSYishai Hadas void *wq; 598079b20a6cSYishai Hadas int inlen; 598179b20a6cSYishai Hadas int err; 598279b20a6cSYishai Hadas 598379b20a6cSYishai Hadas dev = to_mdev(pd->device); 598479b20a6cSYishai Hadas 598579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 59861b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 598779b20a6cSYishai Hadas if (!in) 598879b20a6cSYishai Hadas return -ENOMEM; 598979b20a6cSYishai Hadas 599034d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 599179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 599279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 599379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 599479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 599579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 599679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 599779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 599879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5999ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 6000ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 6001ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 6002b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6003b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 6004b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 6005b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6006b1383aa6SNoa Osherovich goto out; 6007b1383aa6SNoa Osherovich } else { 600879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 6009b1383aa6SNoa Osherovich } 6010b1383aa6SNoa Osherovich } 601179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 6012ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 6013c16339b6SMark Zhang /* 6014c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 6015c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 6016c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 6017c16339b6SMark Zhang * accepted as 0 to 9 6018c16339b6SMark Zhang */ 6019c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 6020c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 6021ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 6022ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 6023ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 6024ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 6025c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 6026c16339b6SMark Zhang fw_map[rwq->log_num_strides - 6027c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 6028ccc87087SNoa Osherovich } 602979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 603079b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 603179b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 603279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 603379b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 603479b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 60354be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 6036b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 60374be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6038b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 6039b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6040b1f74a84SNoa Osherovich goto out; 6041b1f74a84SNoa Osherovich } 6042b1f74a84SNoa Osherovich } else { 6043b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 6044b1f74a84SNoa Osherovich } 60454be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 60464be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 60474be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 60484be6da1eSNoa Osherovich err = -EOPNOTSUPP; 60494be6da1eSNoa Osherovich goto out; 60504be6da1eSNoa Osherovich } 60514be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 60524be6da1eSNoa Osherovich } 605303404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 605403404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 605503404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 605603404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 605703404e8aSMaor Gottlieb err = -EOPNOTSUPP; 605803404e8aSMaor Gottlieb goto out; 605903404e8aSMaor Gottlieb } 606003404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 606103404e8aSMaor Gottlieb } 606279b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 606379b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 6064333fbaa0SLeon Romanovsky err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); 606503404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 606603404e8aSMaor Gottlieb err = set_delay_drop(dev); 606703404e8aSMaor Gottlieb if (err) { 606803404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 606903404e8aSMaor Gottlieb err); 6070333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 607103404e8aSMaor Gottlieb } else { 607203404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 607303404e8aSMaor Gottlieb } 607403404e8aSMaor Gottlieb } 6075b1f74a84SNoa Osherovich out: 607679b20a6cSYishai Hadas kvfree(in); 607779b20a6cSYishai Hadas return err; 607879b20a6cSYishai Hadas } 607979b20a6cSYishai Hadas 608079b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 608179b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 608279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 608379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 608479b20a6cSYishai Hadas { 608579b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 608679b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 608779b20a6cSYishai Hadas return -EINVAL; 608879b20a6cSYishai Hadas 608979b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 609079b20a6cSYishai Hadas return -EINVAL; 609179b20a6cSYishai Hadas 609279b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 609379b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 60940dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 60950dfe4522SLeon Romanovsky return -EINVAL; 60960dfe4522SLeon Romanovsky 609779b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 609879b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 609979b20a6cSYishai Hadas return 0; 610079b20a6cSYishai Hadas } 610179b20a6cSYishai Hadas 6102c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 6103c16339b6SMark Zhang { 6104c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 6105c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6106c16339b6SMark Zhang return false; 6107c16339b6SMark Zhang 6108c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 6109c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6110c16339b6SMark Zhang return false; 6111c16339b6SMark Zhang 6112c16339b6SMark Zhang return true; 6113c16339b6SMark Zhang } 6114c16339b6SMark Zhang 611579b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 611679b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 611779b20a6cSYishai Hadas struct ib_udata *udata, 611879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 611979b20a6cSYishai Hadas { 612079b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 612179b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 612279b20a6cSYishai Hadas int err; 612379b20a6cSYishai Hadas size_t required_cmd_sz; 612479b20a6cSYishai Hadas 6125ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 6126ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 612779b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 612879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 612979b20a6cSYishai Hadas return -EINVAL; 613079b20a6cSYishai Hadas } 613179b20a6cSYishai Hadas 613279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 613379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 613479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 613579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 613679b20a6cSYishai Hadas return -EOPNOTSUPP; 613779b20a6cSYishai Hadas } 613879b20a6cSYishai Hadas 613979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 614079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 614179b20a6cSYishai Hadas return -EFAULT; 614279b20a6cSYishai Hadas } 614379b20a6cSYishai Hadas 6144ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 614579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 614679b20a6cSYishai Hadas return -EOPNOTSUPP; 6147ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 6148ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 6149ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 615079b20a6cSYishai Hadas return -EOPNOTSUPP; 615179b20a6cSYishai Hadas } 6152ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 6153ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 6154ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 6155ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 6156ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 6157ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 6158ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 6159ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 6160ccc87087SNoa Osherovich return -EINVAL; 6161ccc87087SNoa Osherovich } 6162c16339b6SMark Zhang if (!log_of_strides_valid(dev, 6163c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 6164c16339b6SMark Zhang mlx5_ib_dbg( 6165c16339b6SMark Zhang dev, 6166c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 6167ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 6168c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 6169c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 6170ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 6171ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 6172ccc87087SNoa Osherovich return -EINVAL; 6173ccc87087SNoa Osherovich } 6174ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 6175ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 6176ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 6177ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 6178ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 6179ccc87087SNoa Osherovich } 618079b20a6cSYishai Hadas 618179b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 618279b20a6cSYishai Hadas if (err) { 618379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 618479b20a6cSYishai Hadas return err; 618579b20a6cSYishai Hadas } 618679b20a6cSYishai Hadas 6187b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 618879b20a6cSYishai Hadas if (err) { 618979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 619079b20a6cSYishai Hadas return err; 619179b20a6cSYishai Hadas } 619279b20a6cSYishai Hadas 619379b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 619479b20a6cSYishai Hadas return 0; 619579b20a6cSYishai Hadas } 619679b20a6cSYishai Hadas 619779b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 619879b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 619979b20a6cSYishai Hadas struct ib_udata *udata) 620079b20a6cSYishai Hadas { 620179b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 620279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 620379b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 620479b20a6cSYishai Hadas size_t min_resp_len; 620579b20a6cSYishai Hadas int err; 620679b20a6cSYishai Hadas 620779b20a6cSYishai Hadas if (!udata) 620879b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 620979b20a6cSYishai Hadas 621079b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 621179b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 621279b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 621379b20a6cSYishai Hadas 6214ba80013fSMaor Gottlieb if (!capable(CAP_SYS_RAWIO) && 6215ba80013fSMaor Gottlieb init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) 6216ba80013fSMaor Gottlieb return ERR_PTR(-EPERM); 6217ba80013fSMaor Gottlieb 621879b20a6cSYishai Hadas dev = to_mdev(pd->device); 621979b20a6cSYishai Hadas switch (init_attr->wq_type) { 622079b20a6cSYishai Hadas case IB_WQT_RQ: 622179b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 622279b20a6cSYishai Hadas if (!rwq) 622379b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 622479b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 622579b20a6cSYishai Hadas if (err) 622679b20a6cSYishai Hadas goto err; 622779b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 622879b20a6cSYishai Hadas if (err) 622979b20a6cSYishai Hadas goto err_user_rq; 623079b20a6cSYishai Hadas break; 623179b20a6cSYishai Hadas default: 623279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 623379b20a6cSYishai Hadas init_attr->wq_type); 623479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 623579b20a6cSYishai Hadas } 623679b20a6cSYishai Hadas 6237350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 623879b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 623979b20a6cSYishai Hadas if (udata->outlen) { 624079b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 624179b20a6cSYishai Hadas sizeof(resp.response_length); 624279b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 624379b20a6cSYishai Hadas if (err) 624479b20a6cSYishai Hadas goto err_copy; 624579b20a6cSYishai Hadas } 624679b20a6cSYishai Hadas 6247350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 6248350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 624979b20a6cSYishai Hadas return &rwq->ibwq; 625079b20a6cSYishai Hadas 625179b20a6cSYishai Hadas err_copy: 6252333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 625379b20a6cSYishai Hadas err_user_rq: 6254bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 625579b20a6cSYishai Hadas err: 625679b20a6cSYishai Hadas kfree(rwq); 625779b20a6cSYishai Hadas return ERR_PTR(err); 625879b20a6cSYishai Hadas } 625979b20a6cSYishai Hadas 6260a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 626179b20a6cSYishai Hadas { 626279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 626379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 626479b20a6cSYishai Hadas 6265333fbaa0SLeon Romanovsky mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); 6266bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 626779b20a6cSYishai Hadas kfree(rwq); 626879b20a6cSYishai Hadas } 626979b20a6cSYishai Hadas 6270c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 6271c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 6272c5f90929SYishai Hadas struct ib_udata *udata) 6273c5f90929SYishai Hadas { 6274c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 6275c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 6276c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 6277c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 6278c5f90929SYishai Hadas size_t min_resp_len; 6279c5f90929SYishai Hadas int inlen; 6280c5f90929SYishai Hadas int err; 6281c5f90929SYishai Hadas int i; 6282c5f90929SYishai Hadas u32 *in; 6283c5f90929SYishai Hadas void *rqtc; 6284c5f90929SYishai Hadas 6285c5f90929SYishai Hadas if (udata->inlen > 0 && 6286c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 6287c5f90929SYishai Hadas udata->inlen)) 6288c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 6289c5f90929SYishai Hadas 6290efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 6291efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 6292efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 6293efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 6294efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 6295efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 6296efd7f400SMaor Gottlieb } 6297efd7f400SMaor Gottlieb 6298c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 6299c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 6300c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 6301c5f90929SYishai Hadas 6302c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 6303c5f90929SYishai Hadas if (!rwq_ind_tbl) 6304c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 6305c5f90929SYishai Hadas 6306c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 63071b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 6308c5f90929SYishai Hadas if (!in) { 6309c5f90929SYishai Hadas err = -ENOMEM; 6310c5f90929SYishai Hadas goto err; 6311c5f90929SYishai Hadas } 6312c5f90929SYishai Hadas 6313c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6314c5f90929SYishai Hadas 6315c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6316c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6317c5f90929SYishai Hadas 6318c5f90929SYishai Hadas for (i = 0; i < sz; i++) 6319c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 6320c5f90929SYishai Hadas 63215deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 63225deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 63235deba86eSYishai Hadas 6324c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 6325c5f90929SYishai Hadas kvfree(in); 6326c5f90929SYishai Hadas 6327c5f90929SYishai Hadas if (err) 6328c5f90929SYishai Hadas goto err; 6329c5f90929SYishai Hadas 6330c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 6331c5f90929SYishai Hadas if (udata->outlen) { 6332c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 6333c5f90929SYishai Hadas sizeof(resp.response_length); 6334c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 6335c5f90929SYishai Hadas if (err) 6336c5f90929SYishai Hadas goto err_copy; 6337c5f90929SYishai Hadas } 6338c5f90929SYishai Hadas 6339c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 6340c5f90929SYishai Hadas 6341c5f90929SYishai Hadas err_copy: 63425deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6343c5f90929SYishai Hadas err: 6344c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6345c5f90929SYishai Hadas return ERR_PTR(err); 6346c5f90929SYishai Hadas } 6347c5f90929SYishai Hadas 6348c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 6349c5f90929SYishai Hadas { 6350c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 6351c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 6352c5f90929SYishai Hadas 63535deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6354c5f90929SYishai Hadas 6355c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6356c5f90929SYishai Hadas return 0; 6357c5f90929SYishai Hadas } 6358c5f90929SYishai Hadas 635979b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 636079b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 636179b20a6cSYishai Hadas { 636279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 636379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 636479b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 636579b20a6cSYishai Hadas size_t required_cmd_sz; 636679b20a6cSYishai Hadas int curr_wq_state; 636779b20a6cSYishai Hadas int wq_state; 636879b20a6cSYishai Hadas int inlen; 636979b20a6cSYishai Hadas int err; 637079b20a6cSYishai Hadas void *rqc; 637179b20a6cSYishai Hadas void *in; 637279b20a6cSYishai Hadas 637379b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 637479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 637579b20a6cSYishai Hadas return -EINVAL; 637679b20a6cSYishai Hadas 637779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 637879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 637979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 638079b20a6cSYishai Hadas return -EOPNOTSUPP; 638179b20a6cSYishai Hadas 638279b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 638379b20a6cSYishai Hadas return -EFAULT; 638479b20a6cSYishai Hadas 638579b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 638679b20a6cSYishai Hadas return -EOPNOTSUPP; 638779b20a6cSYishai Hadas 638879b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 63891b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 639079b20a6cSYishai Hadas if (!in) 639179b20a6cSYishai Hadas return -ENOMEM; 639279b20a6cSYishai Hadas 639379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 639479b20a6cSYishai Hadas 639579b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 639679b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 639779b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 639879b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 639979b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 640079b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 640179b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 640279b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 640379b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 640434d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 640579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 640679b20a6cSYishai Hadas 6407b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6408b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6409b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6410b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6411b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6412b1f74a84SNoa Osherovich "supported\n"); 6413b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6414b1f74a84SNoa Osherovich goto out; 6415b1f74a84SNoa Osherovich } 6416b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6417b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6418b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6419b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6420b1f74a84SNoa Osherovich } 6421b1383aa6SNoa Osherovich 6422b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6423b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6424b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6425b1383aa6SNoa Osherovich goto out; 6426b1383aa6SNoa Osherovich } 6427b1f74a84SNoa Osherovich } 6428b1f74a84SNoa Osherovich 642923a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 64303e1f000fSParav Pandit u16 set_id; 64313e1f000fSParav Pandit 64323e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 643323a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 643423a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 643523a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 64363e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 643723a6964eSMajd Dibbiny } else 64385a738b5dSJason Gunthorpe dev_info_once( 64395a738b5dSJason Gunthorpe &dev->ib_dev.dev, 64405a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 644123a6964eSMajd Dibbiny } 644223a6964eSMajd Dibbiny 6443e0b4b472SLeon Romanovsky err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); 644479b20a6cSYishai Hadas if (!err) 644579b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 644679b20a6cSYishai Hadas 6447b1f74a84SNoa Osherovich out: 6448b1f74a84SNoa Osherovich kvfree(in); 644979b20a6cSYishai Hadas return err; 645079b20a6cSYishai Hadas } 6451d0e84c0aSYishai Hadas 6452d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6453d0e84c0aSYishai Hadas struct ib_cqe cqe; 6454d0e84c0aSYishai Hadas struct completion done; 6455d0e84c0aSYishai Hadas }; 6456d0e84c0aSYishai Hadas 6457d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6458d0e84c0aSYishai Hadas { 6459d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6460d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6461d0e84c0aSYishai Hadas cqe); 6462d0e84c0aSYishai Hadas 6463d0e84c0aSYishai Hadas complete(&cqe->done); 6464d0e84c0aSYishai Hadas } 6465d0e84c0aSYishai Hadas 6466d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6467d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6468d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6469d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6470d0e84c0aSYishai Hadas { 6471d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6472d0e84c0aSYishai Hadas 6473d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6474d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6475d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6476d0e84c0aSYishai Hadas return; 6477d0e84c0aSYishai Hadas } 6478d0e84c0aSYishai Hadas 6479d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6480d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6481d0e84c0aSYishai Hadas bool triggered = false; 6482d0e84c0aSYishai Hadas unsigned long flags; 6483d0e84c0aSYishai Hadas 6484d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6485d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6486d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6487d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6488d0e84c0aSYishai Hadas else 6489d0e84c0aSYishai Hadas triggered = true; 6490d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6491d0e84c0aSYishai Hadas 6492d0e84c0aSYishai Hadas if (triggered) { 6493d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6494d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6495d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6496d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6497d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6498d0e84c0aSYishai Hadas break; 6499d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6500d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6501d0e84c0aSYishai Hadas break; 6502d0e84c0aSYishai Hadas default: 6503d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6504d0e84c0aSYishai Hadas } 6505d0e84c0aSYishai Hadas } 6506d0e84c0aSYishai Hadas 6507d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6508d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6509d0e84c0aSYishai Hadas */ 65104e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 6511d0e84c0aSYishai Hadas } 6512d0e84c0aSYishai Hadas 6513d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6514d0e84c0aSYishai Hadas } 6515d0e84c0aSYishai Hadas 6516d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6517d0e84c0aSYishai Hadas { 6518d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6519d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6520d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6521d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6522d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6523d0e84c0aSYishai Hadas .wr = { 6524d0e84c0aSYishai Hadas .next = NULL, 6525d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6526d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6527d0e84c0aSYishai Hadas }, 6528d0e84c0aSYishai Hadas }; 6529d0e84c0aSYishai Hadas int ret; 6530d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6531d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6532d0e84c0aSYishai Hadas 6533d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6534d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6535d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6536d0e84c0aSYishai Hadas return; 6537d0e84c0aSYishai Hadas } 6538d0e84c0aSYishai Hadas 6539d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6540d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6541d0e84c0aSYishai Hadas 6542d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6543d0e84c0aSYishai Hadas if (ret) { 6544d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6545d0e84c0aSYishai Hadas return; 6546d0e84c0aSYishai Hadas } 6547d0e84c0aSYishai Hadas 6548d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6549d0e84c0aSYishai Hadas } 6550d0e84c0aSYishai Hadas 6551d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6552d0e84c0aSYishai Hadas { 6553d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6554d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6555d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6556d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6557d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6558d0e84c0aSYishai Hadas int ret; 6559d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6560d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6561d0e84c0aSYishai Hadas 6562d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6563d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6564d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6565d0e84c0aSYishai Hadas return; 6566d0e84c0aSYishai Hadas } 6567d0e84c0aSYishai Hadas 6568d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6569d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6570d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6571d0e84c0aSYishai Hadas 6572d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6573d0e84c0aSYishai Hadas if (ret) { 6574d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6575d0e84c0aSYishai Hadas return; 6576d0e84c0aSYishai Hadas } 6577d0e84c0aSYishai Hadas 6578d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6579d0e84c0aSYishai Hadas } 6580d14133ddSMark Zhang 6581d14133ddSMark Zhang /** 6582d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 6583d14133ddSMark Zhang * the default counter 6584d14133ddSMark Zhang */ 6585d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 6586d14133ddSMark Zhang { 658710189e8eSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 6588d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 6589d14133ddSMark Zhang int err = 0; 6590d14133ddSMark Zhang 6591d14133ddSMark Zhang mutex_lock(&mqp->mutex); 6592d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 6593d14133ddSMark Zhang qp->counter = counter; 6594d14133ddSMark Zhang goto out; 6595d14133ddSMark Zhang } 6596d14133ddSMark Zhang 659710189e8eSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { 659810189e8eSMark Zhang err = -EOPNOTSUPP; 659910189e8eSMark Zhang goto out; 660010189e8eSMark Zhang } 660110189e8eSMark Zhang 6602d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 6603d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 6604d14133ddSMark Zhang if (!err) 6605d14133ddSMark Zhang qp->counter = counter; 6606d14133ddSMark Zhang 6607d14133ddSMark Zhang goto out; 6608d14133ddSMark Zhang } 6609d14133ddSMark Zhang 6610d14133ddSMark Zhang mqp->counter_pending = 1; 6611d14133ddSMark Zhang qp->counter = counter; 6612d14133ddSMark Zhang 6613d14133ddSMark Zhang out: 6614d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 6615d14133ddSMark Zhang return err; 6616d14133ddSMark Zhang } 6617