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> 37c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 38e126ba97SEli Cohen #include "mlx5_ib.h" 39e126ba97SEli Cohen 40e126ba97SEli Cohen /* not supported currently */ 41e126ba97SEli Cohen static int wq_signature; 42e126ba97SEli Cohen 43e126ba97SEli Cohen enum { 44e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 45e126ba97SEli Cohen }; 46e126ba97SEli Cohen 47e126ba97SEli Cohen enum { 48e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 49e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 50e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 51e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 52e126ba97SEli Cohen }; 53e126ba97SEli Cohen 54e126ba97SEli Cohen enum { 55e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 56e126ba97SEli Cohen }; 57e126ba97SEli Cohen 58e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 59e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 60f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 61e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 62e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 63e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 64e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 65e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 66e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 67e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 68e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 698a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 70e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 71e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 72e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 73e126ba97SEli Cohen }; 74e126ba97SEli Cohen 75f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 76f0313965SErez Shitrit u8 rsvd0[16]; 77f0313965SErez Shitrit }; 78e126ba97SEli Cohen 79eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 80eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 817d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 82eb49ab0cSAlex Vesker }; 83eb49ab0cSAlex Vesker 840680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 850680efa2SAlex Vesker u16 operation; 86eb49ab0cSAlex Vesker 87eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 887d29f349SBodong Wang u32 rate_limit; 89eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 900680efa2SAlex Vesker }; 910680efa2SAlex Vesker 9289ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9389ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 9489ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 9589ea94a7SMaor Gottlieb 96e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 97e126ba97SEli Cohen { 98e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 99e126ba97SEli Cohen } 100e126ba97SEli Cohen 101e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 102e126ba97SEli Cohen { 103e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 104e126ba97SEli Cohen } 105e126ba97SEli Cohen 106e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 107e126ba97SEli Cohen { 108e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 109e126ba97SEli Cohen } 110e126ba97SEli Cohen 111e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 112e126ba97SEli Cohen { 113e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 114e126ba97SEli Cohen } 115e126ba97SEli Cohen 116e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 117e126ba97SEli Cohen { 118e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 119e126ba97SEli Cohen } 120e126ba97SEli Cohen 121c1395a2aSHaggai Eran /** 122c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 123c1395a2aSHaggai Eran * 124c1395a2aSHaggai Eran * @qp: QP to copy from. 125c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 126c1395a2aSHaggai Eran * otherwise. 127c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 128c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 129c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 130c1395a2aSHaggai Eran * element in the queue. 131c1395a2aSHaggai Eran * @buffer: destination buffer. 132c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 133c1395a2aSHaggai Eran * 134c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 135c1395a2aSHaggai Eran * 136c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 137c1395a2aSHaggai Eran */ 138c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 13919098df2Smajd@mellanox.com void *buffer, u32 length, 14019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 141c1395a2aSHaggai Eran { 142c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 143c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 144c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 145c1395a2aSHaggai Eran size_t offset; 146c1395a2aSHaggai Eran size_t wq_end; 14719098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 148c1395a2aSHaggai Eran u32 first_copy_length; 149c1395a2aSHaggai Eran int wqe_length; 150c1395a2aSHaggai Eran int ret; 151c1395a2aSHaggai Eran 152c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 153c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 154c1395a2aSHaggai Eran qp->ibqp.qp_type); 155c1395a2aSHaggai Eran return -EINVAL; 156c1395a2aSHaggai Eran } 157c1395a2aSHaggai Eran 158c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 159c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 160c1395a2aSHaggai Eran 161c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 162c1395a2aSHaggai Eran return -EINVAL; 163c1395a2aSHaggai Eran 164c1395a2aSHaggai Eran if (offset > umem->length || 165c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 166c1395a2aSHaggai Eran return -EINVAL; 167c1395a2aSHaggai Eran 168c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 169c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 170c1395a2aSHaggai Eran if (ret) 171c1395a2aSHaggai Eran return ret; 172c1395a2aSHaggai Eran 173c1395a2aSHaggai Eran if (send) { 174c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 175c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 176c1395a2aSHaggai Eran 177c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 178c1395a2aSHaggai Eran } else { 179c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 180c1395a2aSHaggai Eran } 181c1395a2aSHaggai Eran 182c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 183c1395a2aSHaggai Eran return first_copy_length; 184c1395a2aSHaggai Eran 185c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 186c1395a2aSHaggai Eran wqe_length - first_copy_length); 187c1395a2aSHaggai Eran if (ret) 188c1395a2aSHaggai Eran return ret; 189c1395a2aSHaggai Eran 190c1395a2aSHaggai Eran return wqe_length; 191c1395a2aSHaggai Eran } 192c1395a2aSHaggai Eran 193e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 194e126ba97SEli Cohen { 195e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 196e126ba97SEli Cohen struct ib_event event; 197e126ba97SEli Cohen 19819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 19919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 20019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 20119098df2Smajd@mellanox.com } 202e126ba97SEli Cohen 203e126ba97SEli Cohen if (ibqp->event_handler) { 204e126ba97SEli Cohen event.device = ibqp->device; 205e126ba97SEli Cohen event.element.qp = ibqp; 206e126ba97SEli Cohen switch (type) { 207e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 208e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 209e126ba97SEli Cohen break; 210e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 211e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 212e126ba97SEli Cohen break; 213e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 214e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 215e126ba97SEli Cohen break; 216e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 217e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 218e126ba97SEli Cohen break; 219e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 220e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 221e126ba97SEli Cohen break; 222e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 223e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 224e126ba97SEli Cohen break; 225e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 226e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 227e126ba97SEli Cohen break; 228e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 229e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 230e126ba97SEli Cohen break; 231e126ba97SEli Cohen default: 232e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 233e126ba97SEli Cohen return; 234e126ba97SEli Cohen } 235e126ba97SEli Cohen 236e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 237e126ba97SEli Cohen } 238e126ba97SEli Cohen } 239e126ba97SEli Cohen 240e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 241e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 242e126ba97SEli Cohen { 243e126ba97SEli Cohen int wqe_size; 244e126ba97SEli Cohen int wq_size; 245e126ba97SEli Cohen 246e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 247938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 248e126ba97SEli Cohen return -EINVAL; 249e126ba97SEli Cohen 250e126ba97SEli Cohen if (!has_rq) { 251e126ba97SEli Cohen qp->rq.max_gs = 0; 252e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 253e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2540540d814SNoa Osherovich cap->max_recv_wr = 0; 2550540d814SNoa Osherovich cap->max_recv_sge = 0; 256e126ba97SEli Cohen } else { 257e126ba97SEli Cohen if (ucmd) { 258e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 259e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 260e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 261e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 262e126ba97SEli Cohen } else { 263e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 264e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 265e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 266e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 267e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 268e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 269938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 270e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 271e126ba97SEli Cohen wqe_size, 272938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 273938fe83cSSaeed Mahameed max_wqe_sz_rq)); 274e126ba97SEli Cohen return -EINVAL; 275e126ba97SEli Cohen } 276e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 277e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 278e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 279e126ba97SEli Cohen } 280e126ba97SEli Cohen } 281e126ba97SEli Cohen 282e126ba97SEli Cohen return 0; 283e126ba97SEli Cohen } 284e126ba97SEli Cohen 285f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 286e126ba97SEli Cohen { 287618af384SAndi Shyti int size = 0; 288e126ba97SEli Cohen 289f0313965SErez Shitrit switch (attr->qp_type) { 290e126ba97SEli Cohen case IB_QPT_XRC_INI: 291b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 292e126ba97SEli Cohen /* fall through */ 293e126ba97SEli Cohen case IB_QPT_RC: 294e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 29575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 29675c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 29775c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 29875c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 299e126ba97SEli Cohen break; 300e126ba97SEli Cohen 301b125a54bSEli Cohen case IB_QPT_XRC_TGT: 302b125a54bSEli Cohen return 0; 303b125a54bSEli Cohen 304e126ba97SEli Cohen case IB_QPT_UC: 305b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 30675c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 3079e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 30875c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 309e126ba97SEli Cohen break; 310e126ba97SEli Cohen 311e126ba97SEli Cohen case IB_QPT_UD: 312f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 313f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 314f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 315f0313965SErez Shitrit /* fall through */ 316e126ba97SEli Cohen case IB_QPT_SMI: 317d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 318b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 319e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen 322e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 323b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 324e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 325e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 326e126ba97SEli Cohen break; 327e126ba97SEli Cohen 328e126ba97SEli Cohen default: 329e126ba97SEli Cohen return -EINVAL; 330e126ba97SEli Cohen } 331e126ba97SEli Cohen 332e126ba97SEli Cohen return size; 333e126ba97SEli Cohen } 334e126ba97SEli Cohen 335e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 336e126ba97SEli Cohen { 337e126ba97SEli Cohen int inl_size = 0; 338e126ba97SEli Cohen int size; 339e126ba97SEli Cohen 340f0313965SErez Shitrit size = sq_overhead(attr); 341e126ba97SEli Cohen if (size < 0) 342e126ba97SEli Cohen return size; 343e126ba97SEli Cohen 344e126ba97SEli Cohen if (attr->cap.max_inline_data) { 345e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 346e126ba97SEli Cohen attr->cap.max_inline_data; 347e126ba97SEli Cohen } 348e126ba97SEli Cohen 349e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 350e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 351e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 352e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 353e1e66cc2SSagi Grimberg else 354e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 355e126ba97SEli Cohen } 356e126ba97SEli Cohen 357288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 358288c01b7SEli Cohen { 359288c01b7SEli Cohen int max_sge; 360288c01b7SEli Cohen 361288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 362288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 363288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 364288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 365288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 366288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 367288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 368288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 369288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 370288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 371288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 372288c01b7SEli Cohen else 373288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 374288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 375288c01b7SEli Cohen 376288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 377288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 378288c01b7SEli Cohen } 379288c01b7SEli Cohen 380e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 381e126ba97SEli Cohen struct mlx5_ib_qp *qp) 382e126ba97SEli Cohen { 383e126ba97SEli Cohen int wqe_size; 384e126ba97SEli Cohen int wq_size; 385e126ba97SEli Cohen 386e126ba97SEli Cohen if (!attr->cap.max_send_wr) 387e126ba97SEli Cohen return 0; 388e126ba97SEli Cohen 389e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 390e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 391e126ba97SEli Cohen if (wqe_size < 0) 392e126ba97SEli Cohen return wqe_size; 393e126ba97SEli Cohen 394938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 395b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 396938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 397e126ba97SEli Cohen return -EINVAL; 398e126ba97SEli Cohen } 399e126ba97SEli Cohen 400f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 401e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 402e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 403e126ba97SEli Cohen 404e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 405e1e66cc2SSagi Grimberg qp->signature_en = true; 406e1e66cc2SSagi Grimberg 407e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 408e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 409938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 4101974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 4111974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 412938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 413938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 414b125a54bSEli Cohen return -ENOMEM; 415b125a54bSEli Cohen } 416e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 417288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 418288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 419288c01b7SEli Cohen return -ENOMEM; 420288c01b7SEli Cohen 421288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 422b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 423b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 424e126ba97SEli Cohen 425e126ba97SEli Cohen return wq_size; 426e126ba97SEli Cohen } 427e126ba97SEli Cohen 428e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 429e126ba97SEli Cohen struct mlx5_ib_qp *qp, 43019098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 4310fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 4320fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 433e126ba97SEli Cohen { 434e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 435e126ba97SEli Cohen 436938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 437e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 438938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 439e126ba97SEli Cohen return -EINVAL; 440e126ba97SEli Cohen } 441e126ba97SEli Cohen 442e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 443e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 444e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 445e126ba97SEli Cohen return -EINVAL; 446e126ba97SEli Cohen } 447e126ba97SEli Cohen 448e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 449e126ba97SEli Cohen 450938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 451e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 452938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 453938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 454e126ba97SEli Cohen return -EINVAL; 455e126ba97SEli Cohen } 456e126ba97SEli Cohen 457c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 458c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 4590fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4600fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4610fb2ed66Smajd@mellanox.com } else { 46219098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 463e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4640fb2ed66Smajd@mellanox.com } 465e126ba97SEli Cohen 466e126ba97SEli Cohen return 0; 467e126ba97SEli Cohen } 468e126ba97SEli Cohen 469e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 470e126ba97SEli Cohen { 471e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 472e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 473e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 474e126ba97SEli Cohen !attr->cap.max_recv_wr) 475e126ba97SEli Cohen return 0; 476e126ba97SEli Cohen 477e126ba97SEli Cohen return 1; 478e126ba97SEli Cohen } 479e126ba97SEli Cohen 4802f5ff264SEli Cohen static int first_med_bfreg(void) 481c1be5232SEli Cohen { 482c1be5232SEli Cohen return 1; 483c1be5232SEli Cohen } 484c1be5232SEli Cohen 4850b80c14fSEli Cohen enum { 4860b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 4870b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 4880b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 4890b80c14fSEli Cohen * "odd/even" order 4900b80c14fSEli Cohen */ 4910b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 4920b80c14fSEli Cohen }; 4930b80c14fSEli Cohen 494b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 495b037c29aSEli Cohen { 496b037c29aSEli Cohen return get_num_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 497b037c29aSEli Cohen } 498b037c29aSEli Cohen 499b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 500b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 501c1be5232SEli Cohen { 502c1be5232SEli Cohen int n; 503c1be5232SEli Cohen 504b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 505b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 506c1be5232SEli Cohen 507c1be5232SEli Cohen return n >= 0 ? n : 0; 508c1be5232SEli Cohen } 509c1be5232SEli Cohen 510b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 511b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 512c1be5232SEli Cohen { 513c1be5232SEli Cohen int med; 514c1be5232SEli Cohen 515b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 516b037c29aSEli Cohen return ++med; 517c1be5232SEli Cohen } 518c1be5232SEli Cohen 519b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 520b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 521e126ba97SEli Cohen { 522e126ba97SEli Cohen int i; 523e126ba97SEli Cohen 524b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 525b037c29aSEli Cohen if (!bfregi->count[i]) { 5262f5ff264SEli Cohen bfregi->count[i]++; 527e126ba97SEli Cohen return i; 528e126ba97SEli Cohen } 529e126ba97SEli Cohen } 530e126ba97SEli Cohen 531e126ba97SEli Cohen return -ENOMEM; 532e126ba97SEli Cohen } 533e126ba97SEli Cohen 534b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 535b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 536e126ba97SEli Cohen { 5372f5ff264SEli Cohen int minidx = first_med_bfreg(); 538e126ba97SEli Cohen int i; 539e126ba97SEli Cohen 540b037c29aSEli Cohen for (i = first_med_bfreg(); i < first_hi_bfreg(dev, bfregi); i++) { 5412f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 542e126ba97SEli Cohen minidx = i; 5430b80c14fSEli Cohen if (!bfregi->count[minidx]) 5440b80c14fSEli Cohen break; 545e126ba97SEli Cohen } 546e126ba97SEli Cohen 5472f5ff264SEli Cohen bfregi->count[minidx]++; 548e126ba97SEli Cohen return minidx; 549e126ba97SEli Cohen } 550e126ba97SEli Cohen 551b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 552b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, 553e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 554e126ba97SEli Cohen { 5552f5ff264SEli Cohen int bfregn = -EINVAL; 556e126ba97SEli Cohen 5572f5ff264SEli Cohen mutex_lock(&bfregi->lock); 558e126ba97SEli Cohen switch (lat) { 559e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 5600b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 5612f5ff264SEli Cohen bfregn = 0; 5622f5ff264SEli Cohen bfregi->count[bfregn]++; 563e126ba97SEli Cohen break; 564e126ba97SEli Cohen 565e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 5662f5ff264SEli Cohen if (bfregi->ver < 2) 5672f5ff264SEli Cohen bfregn = -ENOMEM; 56878c0f98cSEli Cohen else 569b037c29aSEli Cohen bfregn = alloc_med_class_bfreg(dev, bfregi); 570e126ba97SEli Cohen break; 571e126ba97SEli Cohen 572e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 5732f5ff264SEli Cohen if (bfregi->ver < 2) 5742f5ff264SEli Cohen bfregn = -ENOMEM; 57578c0f98cSEli Cohen else 576b037c29aSEli Cohen bfregn = alloc_high_class_bfreg(dev, bfregi); 577e126ba97SEli Cohen break; 578e126ba97SEli Cohen } 5792f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 580e126ba97SEli Cohen 5812f5ff264SEli Cohen return bfregn; 582e126ba97SEli Cohen } 583e126ba97SEli Cohen 584b037c29aSEli Cohen static void free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 585e126ba97SEli Cohen { 5862f5ff264SEli Cohen mutex_lock(&bfregi->lock); 587b037c29aSEli Cohen bfregi->count[bfregn]--; 5882f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 589e126ba97SEli Cohen } 590e126ba97SEli Cohen 591e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 592e126ba97SEli Cohen { 593e126ba97SEli Cohen switch (state) { 594e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 595e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 596e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 597e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 598e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 599e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 600e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 601e126ba97SEli Cohen default: return -1; 602e126ba97SEli Cohen } 603e126ba97SEli Cohen } 604e126ba97SEli Cohen 605e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 606e126ba97SEli Cohen { 607e126ba97SEli Cohen switch (type) { 608e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 609e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 610e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 611e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 612e126ba97SEli Cohen case IB_QPT_XRC_INI: 613e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 614e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 615d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 616e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 617e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6180fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 619e126ba97SEli Cohen case IB_QPT_MAX: 620e126ba97SEli Cohen default: return -EINVAL; 621e126ba97SEli Cohen } 622e126ba97SEli Cohen } 623e126ba97SEli Cohen 62489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 62589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 62789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62889ea94a7SMaor Gottlieb 629b037c29aSEli Cohen static int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 630b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 631e126ba97SEli Cohen { 632b037c29aSEli Cohen int bfregs_per_sys_page; 633b037c29aSEli Cohen int index_of_sys_page; 634b037c29aSEli Cohen int offset; 635b037c29aSEli Cohen 636b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 637b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 638b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 639b037c29aSEli Cohen 640b037c29aSEli Cohen offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 641b037c29aSEli Cohen 642b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 643e126ba97SEli Cohen } 644e126ba97SEli Cohen 64519098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 64619098df2Smajd@mellanox.com struct ib_pd *pd, 64719098df2Smajd@mellanox.com unsigned long addr, size_t size, 64819098df2Smajd@mellanox.com struct ib_umem **umem, 64919098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 65019098df2Smajd@mellanox.com u32 *offset) 65119098df2Smajd@mellanox.com { 65219098df2Smajd@mellanox.com int err; 65319098df2Smajd@mellanox.com 65419098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 65519098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 65619098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 65719098df2Smajd@mellanox.com return PTR_ERR(*umem); 65819098df2Smajd@mellanox.com } 65919098df2Smajd@mellanox.com 660762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 66119098df2Smajd@mellanox.com 66219098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 66319098df2Smajd@mellanox.com if (err) { 66419098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 66519098df2Smajd@mellanox.com goto err_umem; 66619098df2Smajd@mellanox.com } 66719098df2Smajd@mellanox.com 66819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 66919098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 67019098df2Smajd@mellanox.com 67119098df2Smajd@mellanox.com return 0; 67219098df2Smajd@mellanox.com 67319098df2Smajd@mellanox.com err_umem: 67419098df2Smajd@mellanox.com ib_umem_release(*umem); 67519098df2Smajd@mellanox.com *umem = NULL; 67619098df2Smajd@mellanox.com 67719098df2Smajd@mellanox.com return err; 67819098df2Smajd@mellanox.com } 67919098df2Smajd@mellanox.com 680fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 681fe248c3aSMaor Gottlieb struct mlx5_ib_rwq *rwq) 68279b20a6cSYishai Hadas { 68379b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 68479b20a6cSYishai Hadas 685fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 686fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 687fe248c3aSMaor Gottlieb 68879b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 68979b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 69079b20a6cSYishai Hadas if (rwq->umem) 69179b20a6cSYishai Hadas ib_umem_release(rwq->umem); 69279b20a6cSYishai Hadas } 69379b20a6cSYishai Hadas 69479b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 69579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 69679b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 69779b20a6cSYishai Hadas { 69879b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 69979b20a6cSYishai Hadas int page_shift = 0; 70079b20a6cSYishai Hadas int npages; 70179b20a6cSYishai Hadas u32 offset = 0; 70279b20a6cSYishai Hadas int ncont = 0; 70379b20a6cSYishai Hadas int err; 70479b20a6cSYishai Hadas 70579b20a6cSYishai Hadas if (!ucmd->buf_addr) 70679b20a6cSYishai Hadas return -EINVAL; 70779b20a6cSYishai Hadas 70879b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 70979b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 71079b20a6cSYishai Hadas rwq->buf_size, 0, 0); 71179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 71279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 71379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 71479b20a6cSYishai Hadas return err; 71579b20a6cSYishai Hadas } 71679b20a6cSYishai Hadas 717762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 71879b20a6cSYishai Hadas &ncont, NULL); 71979b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 72079b20a6cSYishai Hadas &rwq->rq_page_offset); 72179b20a6cSYishai Hadas if (err) { 72279b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 72379b20a6cSYishai Hadas goto err_umem; 72479b20a6cSYishai Hadas } 72579b20a6cSYishai Hadas 72679b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 72779b20a6cSYishai Hadas rwq->page_shift = page_shift; 72879b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 72979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 73079b20a6cSYishai Hadas 73179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 73279b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 73379b20a6cSYishai Hadas npages, page_shift, ncont, offset); 73479b20a6cSYishai Hadas 73579b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 73679b20a6cSYishai Hadas if (err) { 73779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 73879b20a6cSYishai Hadas goto err_umem; 73979b20a6cSYishai Hadas } 74079b20a6cSYishai Hadas 74179b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 74279b20a6cSYishai Hadas return 0; 74379b20a6cSYishai Hadas 74479b20a6cSYishai Hadas err_umem: 74579b20a6cSYishai Hadas ib_umem_release(rwq->umem); 74679b20a6cSYishai Hadas return err; 74779b20a6cSYishai Hadas } 74879b20a6cSYishai Hadas 749b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 750b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 751b037c29aSEli Cohen { 752b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 753b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 754b037c29aSEli Cohen } 755b037c29aSEli Cohen 756e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 757e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 75909a7d9ecSSaeed Mahameed u32 **in, 76019098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 76119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 762e126ba97SEli Cohen { 763e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 764e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 76519098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7669e9c47d0SEli Cohen int page_shift = 0; 767e126ba97SEli Cohen int uar_index; 768e126ba97SEli Cohen int npages; 7699e9c47d0SEli Cohen u32 offset = 0; 7702f5ff264SEli Cohen int bfregn; 7719e9c47d0SEli Cohen int ncont = 0; 77209a7d9ecSSaeed Mahameed __be64 *pas; 77309a7d9ecSSaeed Mahameed void *qpc; 774e126ba97SEli Cohen int err; 775e126ba97SEli Cohen 776e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 777e126ba97SEli Cohen if (err) { 778e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 779e126ba97SEli Cohen return err; 780e126ba97SEli Cohen } 781e126ba97SEli Cohen 782e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 783e126ba97SEli Cohen /* 784e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 785e126ba97SEli Cohen */ 786051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 787051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 7882f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 789051f2630SLeon Romanovsky else { 790b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_HIGH); 7912f5ff264SEli Cohen if (bfregn < 0) { 7922f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency BFREG\n"); 793c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 794b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_MEDIUM); 7952f5ff264SEli Cohen if (bfregn < 0) { 7962f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency BFREG\n"); 797e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 798b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_LOW); 7992f5ff264SEli Cohen if (bfregn < 0) { 8002f5ff264SEli Cohen mlx5_ib_warn(dev, "bfreg allocation failed\n"); 8012f5ff264SEli Cohen return bfregn; 802e126ba97SEli Cohen } 803e126ba97SEli Cohen } 804c1be5232SEli Cohen } 805051f2630SLeon Romanovsky } 806e126ba97SEli Cohen 807b037c29aSEli Cohen uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn); 8082f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 809e126ba97SEli Cohen 81048fea837SHaggai Eran qp->rq.offset = 0; 81148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 81248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 81348fea837SHaggai Eran 8140fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 815e126ba97SEli Cohen if (err) 8162f5ff264SEli Cohen goto err_bfreg; 817e126ba97SEli Cohen 81819098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 81919098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 82019098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 82119098df2Smajd@mellanox.com ubuffer->buf_size, 82219098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 82319098df2Smajd@mellanox.com &ncont, &offset); 82419098df2Smajd@mellanox.com if (err) 8252f5ff264SEli Cohen goto err_bfreg; 8269e9c47d0SEli Cohen } else { 82719098df2Smajd@mellanox.com ubuffer->umem = NULL; 8289e9c47d0SEli Cohen } 829e126ba97SEli Cohen 83009a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 83109a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 8321b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 833e126ba97SEli Cohen if (!*in) { 834e126ba97SEli Cohen err = -ENOMEM; 835e126ba97SEli Cohen goto err_umem; 836e126ba97SEli Cohen } 837e126ba97SEli Cohen 83809a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 83909a7d9ecSSaeed Mahameed if (ubuffer->umem) 84009a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 84109a7d9ecSSaeed Mahameed 84209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 84309a7d9ecSSaeed Mahameed 84409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 84509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 84609a7d9ecSSaeed Mahameed 84709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 848b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 8492f5ff264SEli Cohen qp->bfregn = bfregn; 850e126ba97SEli Cohen 851e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 852e126ba97SEli Cohen if (err) { 853e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 854e126ba97SEli Cohen goto err_free; 855e126ba97SEli Cohen } 856e126ba97SEli Cohen 857e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 858e126ba97SEli Cohen if (err) { 859e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 860e126ba97SEli Cohen goto err_unmap; 861e126ba97SEli Cohen } 862e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 863e126ba97SEli Cohen 864e126ba97SEli Cohen return 0; 865e126ba97SEli Cohen 866e126ba97SEli Cohen err_unmap: 867e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 868e126ba97SEli Cohen 869e126ba97SEli Cohen err_free: 870479163f4SAl Viro kvfree(*in); 871e126ba97SEli Cohen 872e126ba97SEli Cohen err_umem: 87319098df2Smajd@mellanox.com if (ubuffer->umem) 87419098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 875e126ba97SEli Cohen 8762f5ff264SEli Cohen err_bfreg: 877b037c29aSEli Cohen free_bfreg(dev, &context->bfregi, bfregn); 878e126ba97SEli Cohen return err; 879e126ba97SEli Cohen } 880e126ba97SEli Cohen 881b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 882b037c29aSEli Cohen struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) 883e126ba97SEli Cohen { 884e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 885e126ba97SEli Cohen 886e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 887e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 88819098df2Smajd@mellanox.com if (base->ubuffer.umem) 88919098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 890b037c29aSEli Cohen free_bfreg(dev, &context->bfregi, qp->bfregn); 891e126ba97SEli Cohen } 892e126ba97SEli Cohen 893e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 894e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 895e126ba97SEli Cohen struct mlx5_ib_qp *qp, 89609a7d9ecSSaeed Mahameed u32 **in, int *inlen, 89719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 898e126ba97SEli Cohen { 899e126ba97SEli Cohen int uar_index; 90009a7d9ecSSaeed Mahameed void *qpc; 901e126ba97SEli Cohen int err; 902e126ba97SEli Cohen 903f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 904f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 905b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 90693d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 907b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9081a4c3a3dSEli Cohen return -EINVAL; 909e126ba97SEli Cohen 910e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 9115fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 9125fe9dec0SEli Cohen else 9135fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 914e126ba97SEli Cohen 915d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 916d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 917d8030b0dSEli Cohen */ 918d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 9195fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 920e126ba97SEli Cohen 921e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 922e126ba97SEli Cohen if (err < 0) { 923e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9245fe9dec0SEli Cohen return err; 925e126ba97SEli Cohen } 926e126ba97SEli Cohen 927e126ba97SEli Cohen qp->rq.offset = 0; 928e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 92919098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 930e126ba97SEli Cohen 93119098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 932e126ba97SEli Cohen if (err) { 933e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9345fe9dec0SEli Cohen return err; 935e126ba97SEli Cohen } 936e126ba97SEli Cohen 937e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 93809a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 93909a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 9401b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 941e126ba97SEli Cohen if (!*in) { 942e126ba97SEli Cohen err = -ENOMEM; 943e126ba97SEli Cohen goto err_buf; 944e126ba97SEli Cohen } 94509a7d9ecSSaeed Mahameed 94609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 94709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 94809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 94909a7d9ecSSaeed Mahameed 950e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 95109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 95209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 953e126ba97SEli Cohen 954b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 95509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 956b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 957b11a4f9cSHaggai Eran } 958b11a4f9cSHaggai Eran 95909a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 96009a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 961e126ba97SEli Cohen 9629603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 963e126ba97SEli Cohen if (err) { 964e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 965e126ba97SEli Cohen goto err_free; 966e126ba97SEli Cohen } 967e126ba97SEli Cohen 968b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 969b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 970b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 971b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 972b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 973b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 974b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 975b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 976b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 977b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 978e126ba97SEli Cohen 979e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 980e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 981e126ba97SEli Cohen err = -ENOMEM; 982e126ba97SEli Cohen goto err_wrid; 983e126ba97SEli Cohen } 984e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 985e126ba97SEli Cohen 986e126ba97SEli Cohen return 0; 987e126ba97SEli Cohen 988e126ba97SEli Cohen err_wrid: 989b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 990b5883008SLi Dongyang kvfree(qp->sq.w_list); 991b5883008SLi Dongyang kvfree(qp->sq.wrid); 992b5883008SLi Dongyang kvfree(qp->sq.wr_data); 993b5883008SLi Dongyang kvfree(qp->rq.wrid); 994f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 995e126ba97SEli Cohen 996e126ba97SEli Cohen err_free: 997479163f4SAl Viro kvfree(*in); 998e126ba97SEli Cohen 999e126ba97SEli Cohen err_buf: 10009603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1001e126ba97SEli Cohen return err; 1002e126ba97SEli Cohen } 1003e126ba97SEli Cohen 1004e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1005e126ba97SEli Cohen { 1006b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1007b5883008SLi Dongyang kvfree(qp->sq.w_list); 1008b5883008SLi Dongyang kvfree(qp->sq.wrid); 1009b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1010b5883008SLi Dongyang kvfree(qp->rq.wrid); 1011f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 10129603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1013e126ba97SEli Cohen } 1014e126ba97SEli Cohen 101509a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1016e126ba97SEli Cohen { 1017e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1018e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 101909a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1020e126ba97SEli Cohen else if (!qp->has_rq) 102109a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1022e126ba97SEli Cohen else 102309a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1024e126ba97SEli Cohen } 1025e126ba97SEli Cohen 1026e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1027e126ba97SEli Cohen { 1028e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1029e126ba97SEli Cohen return 1; 1030e126ba97SEli Cohen 1031e126ba97SEli Cohen return 0; 1032e126ba97SEli Cohen } 1033e126ba97SEli Cohen 10340fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1035c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 10360fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10370fb2ed66Smajd@mellanox.com { 1038c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10390fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10400fb2ed66Smajd@mellanox.com 10410fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1042c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1043c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1044c2e53b2cSYishai Hadas 10450fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10460fb2ed66Smajd@mellanox.com } 10470fb2ed66Smajd@mellanox.com 10480fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10490fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10500fb2ed66Smajd@mellanox.com { 10510fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10520fb2ed66Smajd@mellanox.com } 10530fb2ed66Smajd@mellanox.com 10540fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10550fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10560fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10570fb2ed66Smajd@mellanox.com { 10580fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10590fb2ed66Smajd@mellanox.com __be64 *pas; 10600fb2ed66Smajd@mellanox.com void *in; 10610fb2ed66Smajd@mellanox.com void *sqc; 10620fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10630fb2ed66Smajd@mellanox.com void *wq; 10640fb2ed66Smajd@mellanox.com int inlen; 10650fb2ed66Smajd@mellanox.com int err; 10660fb2ed66Smajd@mellanox.com int page_shift = 0; 10670fb2ed66Smajd@mellanox.com int npages; 10680fb2ed66Smajd@mellanox.com int ncont = 0; 10690fb2ed66Smajd@mellanox.com u32 offset = 0; 10700fb2ed66Smajd@mellanox.com 10710fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10720fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10730fb2ed66Smajd@mellanox.com &ncont, &offset); 10740fb2ed66Smajd@mellanox.com if (err) 10750fb2ed66Smajd@mellanox.com return err; 10760fb2ed66Smajd@mellanox.com 10770fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10781b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 10790fb2ed66Smajd@mellanox.com if (!in) { 10800fb2ed66Smajd@mellanox.com err = -ENOMEM; 10810fb2ed66Smajd@mellanox.com goto err_umem; 10820fb2ed66Smajd@mellanox.com } 10830fb2ed66Smajd@mellanox.com 10840fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10850fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1086795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1087795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 10880fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10890fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10900fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10910fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10920fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 109396dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 109496dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 109596dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 10960fb2ed66Smajd@mellanox.com 10970fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 10980fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10990fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11000fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11010fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11020fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11030fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11040fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11050fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11060fb2ed66Smajd@mellanox.com 11070fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11080fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11090fb2ed66Smajd@mellanox.com 11100fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11110fb2ed66Smajd@mellanox.com 11120fb2ed66Smajd@mellanox.com kvfree(in); 11130fb2ed66Smajd@mellanox.com 11140fb2ed66Smajd@mellanox.com if (err) 11150fb2ed66Smajd@mellanox.com goto err_umem; 11160fb2ed66Smajd@mellanox.com 11170fb2ed66Smajd@mellanox.com return 0; 11180fb2ed66Smajd@mellanox.com 11190fb2ed66Smajd@mellanox.com err_umem: 11200fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11210fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11220fb2ed66Smajd@mellanox.com 11230fb2ed66Smajd@mellanox.com return err; 11240fb2ed66Smajd@mellanox.com } 11250fb2ed66Smajd@mellanox.com 11260fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11270fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11280fb2ed66Smajd@mellanox.com { 11290fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11300fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11310fb2ed66Smajd@mellanox.com } 11320fb2ed66Smajd@mellanox.com 11330fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 11340fb2ed66Smajd@mellanox.com { 11350fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11360fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11370fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11380fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11390fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11400fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11410fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11420fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11430fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11440fb2ed66Smajd@mellanox.com 11450fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11460fb2ed66Smajd@mellanox.com } 11470fb2ed66Smajd@mellanox.com 11480fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11490fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11500fb2ed66Smajd@mellanox.com { 1151358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11520fb2ed66Smajd@mellanox.com __be64 *pas; 11530fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11540fb2ed66Smajd@mellanox.com void *in; 11550fb2ed66Smajd@mellanox.com void *rqc; 11560fb2ed66Smajd@mellanox.com void *wq; 11570fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11580fb2ed66Smajd@mellanox.com int inlen; 11590fb2ed66Smajd@mellanox.com int err; 11600fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11610fb2ed66Smajd@mellanox.com 11620fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11631b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11640fb2ed66Smajd@mellanox.com if (!in) 11650fb2ed66Smajd@mellanox.com return -ENOMEM; 11660fb2ed66Smajd@mellanox.com 11670fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1168e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 11690fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11700fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11710fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11720fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11730fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11740fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11750fb2ed66Smajd@mellanox.com 1176358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1177358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1178358e42eaSMajd Dibbiny 11790fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11800fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1181b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1182b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 11830fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11840fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11850fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11860fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11870fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11880fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11890fb2ed66Smajd@mellanox.com 11900fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11910fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11920fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11930fb2ed66Smajd@mellanox.com 11940fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11950fb2ed66Smajd@mellanox.com 11960fb2ed66Smajd@mellanox.com kvfree(in); 11970fb2ed66Smajd@mellanox.com 11980fb2ed66Smajd@mellanox.com return err; 11990fb2ed66Smajd@mellanox.com } 12000fb2ed66Smajd@mellanox.com 12010fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12020fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12030fb2ed66Smajd@mellanox.com { 12040fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12050fb2ed66Smajd@mellanox.com } 12060fb2ed66Smajd@mellanox.com 1207f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1208f95ef6cbSMaor Gottlieb { 1209f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1210f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1211f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1212f95ef6cbSMaor Gottlieb } 1213f95ef6cbSMaor Gottlieb 12140fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1215f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1216f95ef6cbSMaor Gottlieb bool tunnel_offload_en) 12170fb2ed66Smajd@mellanox.com { 12180fb2ed66Smajd@mellanox.com u32 *in; 12190fb2ed66Smajd@mellanox.com void *tirc; 12200fb2ed66Smajd@mellanox.com int inlen; 12210fb2ed66Smajd@mellanox.com int err; 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 12241b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12250fb2ed66Smajd@mellanox.com if (!in) 12260fb2ed66Smajd@mellanox.com return -ENOMEM; 12270fb2ed66Smajd@mellanox.com 12280fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 12290fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 12300fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 12310fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1232f95ef6cbSMaor Gottlieb if (tunnel_offload_en) 1233f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 12340fb2ed66Smajd@mellanox.com 12350fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 12360fb2ed66Smajd@mellanox.com 12370fb2ed66Smajd@mellanox.com kvfree(in); 12380fb2ed66Smajd@mellanox.com 12390fb2ed66Smajd@mellanox.com return err; 12400fb2ed66Smajd@mellanox.com } 12410fb2ed66Smajd@mellanox.com 12420fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12430fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12440fb2ed66Smajd@mellanox.com { 12450fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 12460fb2ed66Smajd@mellanox.com } 12470fb2ed66Smajd@mellanox.com 12480fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 124909a7d9ecSSaeed Mahameed u32 *in, 12500fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12510fb2ed66Smajd@mellanox.com { 12520fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12530fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12540fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12550fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12560fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12570fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12580fb2ed66Smajd@mellanox.com int err; 12590fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12600fb2ed66Smajd@mellanox.com 12610fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 1262c2e53b2cSYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn); 12630fb2ed66Smajd@mellanox.com if (err) 12640fb2ed66Smajd@mellanox.com return err; 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12670fb2ed66Smajd@mellanox.com if (err) 12680fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12690fb2ed66Smajd@mellanox.com 12700fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12711d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 12720fb2ed66Smajd@mellanox.com } 12730fb2ed66Smajd@mellanox.com 12740fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1275358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1276358e42eaSMajd Dibbiny 1277e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1278e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1279b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1280b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 12810fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12820fb2ed66Smajd@mellanox.com if (err) 12830fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12840fb2ed66Smajd@mellanox.com 12850fb2ed66Smajd@mellanox.com 1286f95ef6cbSMaor Gottlieb err = create_raw_packet_qp_tir(dev, rq, tdn, 1287f95ef6cbSMaor Gottlieb qp->tunnel_offload_en); 12880fb2ed66Smajd@mellanox.com if (err) 12890fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12900fb2ed66Smajd@mellanox.com } 12910fb2ed66Smajd@mellanox.com 12920fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12930fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com return 0; 12960fb2ed66Smajd@mellanox.com 12970fb2ed66Smajd@mellanox.com err_destroy_rq: 12980fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12990fb2ed66Smajd@mellanox.com err_destroy_sq: 13000fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 13010fb2ed66Smajd@mellanox.com return err; 13020fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13030fb2ed66Smajd@mellanox.com err_destroy_tis: 13040fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13050fb2ed66Smajd@mellanox.com 13060fb2ed66Smajd@mellanox.com return err; 13070fb2ed66Smajd@mellanox.com } 13080fb2ed66Smajd@mellanox.com 13090fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 13100fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 13110fb2ed66Smajd@mellanox.com { 13120fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13130fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13140fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13150fb2ed66Smajd@mellanox.com 13160fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 13170fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 13180fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13190fb2ed66Smajd@mellanox.com } 13200fb2ed66Smajd@mellanox.com 13210fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13220fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13230fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13240fb2ed66Smajd@mellanox.com } 13250fb2ed66Smajd@mellanox.com } 13260fb2ed66Smajd@mellanox.com 13270fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 13280fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 13290fb2ed66Smajd@mellanox.com { 13300fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13310fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13320fb2ed66Smajd@mellanox.com 13330fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 13340fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 13350fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 13360fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 13370fb2ed66Smajd@mellanox.com } 13380fb2ed66Smajd@mellanox.com 133928d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 134028d61370SYishai Hadas { 134128d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 134228d61370SYishai Hadas } 134328d61370SYishai Hadas 134428d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 134528d61370SYishai Hadas struct ib_pd *pd, 134628d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 134728d61370SYishai Hadas struct ib_udata *udata) 134828d61370SYishai Hadas { 134928d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 135028d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 135128d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 135228d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 135328d61370SYishai Hadas int inlen; 135428d61370SYishai Hadas int err; 135528d61370SYishai Hadas u32 *in; 135628d61370SYishai Hadas void *tirc; 135728d61370SYishai Hadas void *hfso; 135828d61370SYishai Hadas u32 selected_fields = 0; 135928d61370SYishai Hadas size_t min_resp_len; 136028d61370SYishai Hadas u32 tdn = mucontext->tdn; 136128d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 136228d61370SYishai Hadas size_t required_cmd_sz; 136328d61370SYishai Hadas 136428d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 136528d61370SYishai Hadas return -EOPNOTSUPP; 136628d61370SYishai Hadas 136728d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 136828d61370SYishai Hadas return -EINVAL; 136928d61370SYishai Hadas 13702f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 137128d61370SYishai Hadas if (udata->outlen < min_resp_len) 137228d61370SYishai Hadas return -EINVAL; 137328d61370SYishai Hadas 1374f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 137528d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 137628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 137728d61370SYishai Hadas return -EINVAL; 137828d61370SYishai Hadas } 137928d61370SYishai Hadas 138028d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 138128d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 138228d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 138328d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 138428d61370SYishai Hadas return -EOPNOTSUPP; 138528d61370SYishai Hadas } 138628d61370SYishai Hadas 138728d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 138828d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 138928d61370SYishai Hadas return -EFAULT; 139028d61370SYishai Hadas } 139128d61370SYishai Hadas 139228d61370SYishai Hadas if (ucmd.comp_mask) { 139328d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 139428d61370SYishai Hadas return -EOPNOTSUPP; 139528d61370SYishai Hadas } 139628d61370SYishai Hadas 1397f95ef6cbSMaor Gottlieb if (ucmd.flags & ~MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1398f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1399f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1400f95ef6cbSMaor Gottlieb } 1401f95ef6cbSMaor Gottlieb 1402f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1403f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1404f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 140528d61370SYishai Hadas return -EOPNOTSUPP; 140628d61370SYishai Hadas } 140728d61370SYishai Hadas 1408309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1409309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1410309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1411309fa347SMaor Gottlieb return -EOPNOTSUPP; 1412309fa347SMaor Gottlieb } 1413309fa347SMaor Gottlieb 141428d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 141528d61370SYishai Hadas if (err) { 141628d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 141728d61370SYishai Hadas return -EINVAL; 141828d61370SYishai Hadas } 141928d61370SYishai Hadas 142028d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14211b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 142228d61370SYishai Hadas if (!in) 142328d61370SYishai Hadas return -ENOMEM; 142428d61370SYishai Hadas 142528d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 142628d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 142728d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 142828d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 142928d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 143028d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 143128d61370SYishai Hadas 143228d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1433f95ef6cbSMaor Gottlieb 1434f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1435f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1436f95ef6cbSMaor Gottlieb 1437309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1438309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1439309fa347SMaor Gottlieb else 1440309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1441309fa347SMaor Gottlieb 144228d61370SYishai Hadas switch (ucmd.rx_hash_function) { 144328d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 144428d61370SYishai Hadas { 144528d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 144628d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 144728d61370SYishai Hadas 144828d61370SYishai Hadas if (len != ucmd.rx_key_len) { 144928d61370SYishai Hadas err = -EINVAL; 145028d61370SYishai Hadas goto err; 145128d61370SYishai Hadas } 145228d61370SYishai Hadas 145328d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 145428d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 145528d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 145628d61370SYishai Hadas break; 145728d61370SYishai Hadas } 145828d61370SYishai Hadas default: 145928d61370SYishai Hadas err = -EOPNOTSUPP; 146028d61370SYishai Hadas goto err; 146128d61370SYishai Hadas } 146228d61370SYishai Hadas 146328d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 146428d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 146528d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 146628d61370SYishai Hadas goto create_tir; 146728d61370SYishai Hadas err = -EINVAL; 146828d61370SYishai Hadas goto err; 146928d61370SYishai Hadas } 147028d61370SYishai Hadas 147128d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 147228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 147328d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 147428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 147528d61370SYishai Hadas err = -EINVAL; 147628d61370SYishai Hadas goto err; 147728d61370SYishai Hadas } 147828d61370SYishai Hadas 147928d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 148028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 148128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 148228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 148328d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 148428d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 148528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 148628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 148728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 148828d61370SYishai Hadas 148928d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 149028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 149128d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 149228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 149328d61370SYishai Hadas err = -EINVAL; 149428d61370SYishai Hadas goto err; 149528d61370SYishai Hadas } 149628d61370SYishai Hadas 149728d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 149828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 149928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 150028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 150128d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 150228d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 150328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 150428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 150528d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 150628d61370SYishai Hadas 150728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 150828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 150928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 151028d61370SYishai Hadas 151128d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 151228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 151328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 151428d61370SYishai Hadas 151528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 151628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 151728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 151828d61370SYishai Hadas 151928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 152028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 152128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 152228d61370SYishai Hadas 152328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 152428d61370SYishai Hadas 152528d61370SYishai Hadas create_tir: 152628d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 152728d61370SYishai Hadas 152828d61370SYishai Hadas if (err) 152928d61370SYishai Hadas goto err; 153028d61370SYishai Hadas 153128d61370SYishai Hadas kvfree(in); 153228d61370SYishai Hadas /* qpn is reserved for that QP */ 153328d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1534d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 153528d61370SYishai Hadas return 0; 153628d61370SYishai Hadas 153728d61370SYishai Hadas err: 153828d61370SYishai Hadas kvfree(in); 153928d61370SYishai Hadas return err; 154028d61370SYishai Hadas } 154128d61370SYishai Hadas 1542e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1543e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1544e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1545e126ba97SEli Cohen { 1546e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 154709a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1548938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 1549e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 155089ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 155189ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 155289ea94a7SMaor Gottlieb unsigned long flags; 1553cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 155409a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 155509a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1556cfb5e088SHaggai Abramovsky void *qpc; 155709a7d9ecSSaeed Mahameed u32 *in; 155809a7d9ecSSaeed Mahameed int err; 1559e126ba97SEli Cohen 1560e126ba97SEli Cohen mutex_init(&qp->mutex); 1561e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1562e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1563e126ba97SEli Cohen 156428d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 156528d61370SYishai Hadas if (!udata) 156628d61370SYishai Hadas return -ENOSYS; 156728d61370SYishai Hadas 156828d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 156928d61370SYishai Hadas return err; 157028d61370SYishai Hadas } 157128d61370SYishai Hadas 1572f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1573938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1574f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1575f360d88aSEli Cohen return -EINVAL; 1576f360d88aSEli Cohen } else { 1577f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1578f360d88aSEli Cohen } 1579f360d88aSEli Cohen } 1580f360d88aSEli Cohen 1581051f2630SLeon Romanovsky if (init_attr->create_flags & 1582051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1583051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1584051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1585051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1586051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1587051f2630SLeon Romanovsky return -EINVAL; 1588051f2630SLeon Romanovsky } 1589051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1590051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1591051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1592051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1593051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1594051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1595051f2630SLeon Romanovsky } 1596f0313965SErez Shitrit 1597f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1598f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1599f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1600f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1601f0313965SErez Shitrit return -EOPNOTSUPP; 1602f0313965SErez Shitrit } 1603f0313965SErez Shitrit 1604358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1605358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1606358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1607358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1608358e42eaSMajd Dibbiny } 1609358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1610358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1611358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1612358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1613358e42eaSMajd Dibbiny } 1614358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1615358e42eaSMajd Dibbiny } 1616358e42eaSMajd Dibbiny 1617e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1618e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1619e126ba97SEli Cohen 1620e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1621e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1622e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 1623e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 1624e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 1625e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 1626e4cc4fa7SNoa Osherovich } 1627e4cc4fa7SNoa Osherovich 1628e126ba97SEli Cohen if (pd && pd->uobject) { 1629e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1630e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1631e126ba97SEli Cohen return -EFAULT; 1632e126ba97SEli Cohen } 1633e126ba97SEli Cohen 1634cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1635cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1636cfb5e088SHaggai Abramovsky if (err) 1637cfb5e088SHaggai Abramovsky return err; 1638cfb5e088SHaggai Abramovsky 1639e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1640e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1641f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1642f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 1643f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 1644f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 1645f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1646f95ef6cbSMaor Gottlieb } 1647f95ef6cbSMaor Gottlieb qp->tunnel_offload_en = true; 1648f95ef6cbSMaor Gottlieb } 1649c2e53b2cSYishai Hadas 1650c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 1651c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 1652c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 1653c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 1654c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 1655c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 1656c2e53b2cSYishai Hadas return -EOPNOTSUPP; 1657c2e53b2cSYishai Hadas } 1658c2e53b2cSYishai Hadas 1659c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 1660c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 1661c2e53b2cSYishai Hadas } 1662e126ba97SEli Cohen } else { 1663e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1664e126ba97SEli Cohen } 1665e126ba97SEli Cohen 1666c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 1667c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 1668c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1669c2e53b2cSYishai Hadas &qp->trans_qp.base; 1670c2e53b2cSYishai Hadas 1671e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1672e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1673e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1674e126ba97SEli Cohen if (err) { 1675e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1676e126ba97SEli Cohen return err; 1677e126ba97SEli Cohen } 1678e126ba97SEli Cohen 1679e126ba97SEli Cohen if (pd) { 1680e126ba97SEli Cohen if (pd->uobject) { 1681938fe83cSSaeed Mahameed __u32 max_wqes = 1682938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1683e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1684e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1685e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1686e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1687e126ba97SEli Cohen return -EINVAL; 1688e126ba97SEli Cohen } 1689938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1690e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1691938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1692e126ba97SEli Cohen return -EINVAL; 1693e126ba97SEli Cohen } 1694b11a4f9cSHaggai Eran if (init_attr->create_flags & 1695b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1696b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1697b11a4f9cSHaggai Eran return -EINVAL; 1698b11a4f9cSHaggai Eran } 16990fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 17000fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1701e126ba97SEli Cohen if (err) 1702e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1703e126ba97SEli Cohen } else { 170419098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 170519098df2Smajd@mellanox.com base); 1706e126ba97SEli Cohen if (err) 1707e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1708e126ba97SEli Cohen } 1709e126ba97SEli Cohen 1710e126ba97SEli Cohen if (err) 1711e126ba97SEli Cohen return err; 1712e126ba97SEli Cohen } else { 17131b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 1714e126ba97SEli Cohen if (!in) 1715e126ba97SEli Cohen return -ENOMEM; 1716e126ba97SEli Cohen 1717e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1718e126ba97SEli Cohen } 1719e126ba97SEli Cohen 1720e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1721e126ba97SEli Cohen qp->port = init_attr->port_num; 1722e126ba97SEli Cohen 172309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 172409a7d9ecSSaeed Mahameed 172509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); 172609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1727e126ba97SEli Cohen 1728e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 172909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1730e126ba97SEli Cohen else 173109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 173209a7d9ecSSaeed Mahameed 1733e126ba97SEli Cohen 1734e126ba97SEli Cohen if (qp->wq_sig) 173509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1736e126ba97SEli Cohen 1737f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 173809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1739f360d88aSEli Cohen 1740051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 174109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1742051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 174309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1744051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 174509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1746051f2630SLeon Romanovsky 1747e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1748e126ba97SEli Cohen int rcqe_sz; 1749e126ba97SEli Cohen int scqe_sz; 1750e126ba97SEli Cohen 1751e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1752e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1753e126ba97SEli Cohen 1754e126ba97SEli Cohen if (rcqe_sz == 128) 175509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1756e126ba97SEli Cohen else 175709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1758e126ba97SEli Cohen 1759e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1760e126ba97SEli Cohen if (scqe_sz == 128) 176109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1762e126ba97SEli Cohen else 176309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1764e126ba97SEli Cohen } 1765e126ba97SEli Cohen } 1766e126ba97SEli Cohen 1767e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 176809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 176909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1770e126ba97SEli Cohen } 1771e126ba97SEli Cohen 177209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1773e126ba97SEli Cohen 17743fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 177509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 17763fd3307eSArtemy Kovalyov } else { 177709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 17783fd3307eSArtemy Kovalyov if (init_attr->srq && 17793fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 17803fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 17813fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 17823fd3307eSArtemy Kovalyov } 1783e126ba97SEli Cohen 1784e126ba97SEli Cohen /* Set default resources */ 1785e126ba97SEli Cohen switch (init_attr->qp_type) { 1786e126ba97SEli Cohen case IB_QPT_XRC_TGT: 178709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 178809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 178909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 179009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1791e126ba97SEli Cohen break; 1792e126ba97SEli Cohen case IB_QPT_XRC_INI: 179309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 179409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 179509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1796e126ba97SEli Cohen break; 1797e126ba97SEli Cohen default: 1798e126ba97SEli Cohen if (init_attr->srq) { 179909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 180009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1801e126ba97SEli Cohen } else { 180209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 180309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1804e126ba97SEli Cohen } 1805e126ba97SEli Cohen } 1806e126ba97SEli Cohen 1807e126ba97SEli Cohen if (init_attr->send_cq) 180809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1809e126ba97SEli Cohen 1810e126ba97SEli Cohen if (init_attr->recv_cq) 181109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1812e126ba97SEli Cohen 181309a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1814e126ba97SEli Cohen 1815cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 181609a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1817cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 181809a7d9ecSSaeed Mahameed 1819f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1820f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1821f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1822f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1823f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1824f0313965SErez Shitrit } 1825cfb5e088SHaggai Abramovsky 1826b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 1827b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 1828b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 1829b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 1830b1383aa6SNoa Osherovich goto err; 1831b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1832b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 1833b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 1834b1383aa6SNoa Osherovich } else { 1835b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 1836b1383aa6SNoa Osherovich } 1837b1383aa6SNoa Osherovich } 1838b1383aa6SNoa Osherovich 1839c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 1840c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 18410fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 18420fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 18430fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 18440fb2ed66Smajd@mellanox.com } else { 184519098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 18460fb2ed66Smajd@mellanox.com } 18470fb2ed66Smajd@mellanox.com 1848e126ba97SEli Cohen if (err) { 1849e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1850e126ba97SEli Cohen goto err_create; 1851e126ba97SEli Cohen } 1852e126ba97SEli Cohen 1853479163f4SAl Viro kvfree(in); 1854e126ba97SEli Cohen 185519098df2Smajd@mellanox.com base->container_mibqp = qp; 185619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1857e126ba97SEli Cohen 185889ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 185989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 186089ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 186189ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 186289ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 186389ea94a7SMaor Gottlieb * flow 186489ea94a7SMaor Gottlieb */ 186589ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 186689ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 186789ea94a7SMaor Gottlieb */ 186889ea94a7SMaor Gottlieb if (send_cq) 186989ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 187089ea94a7SMaor Gottlieb if (recv_cq) 187189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 187289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 187389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 187489ea94a7SMaor Gottlieb 1875e126ba97SEli Cohen return 0; 1876e126ba97SEli Cohen 1877e126ba97SEli Cohen err_create: 1878e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 1879b037c29aSEli Cohen destroy_qp_user(dev, pd, qp, base); 1880e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1881e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1882e126ba97SEli Cohen 1883b1383aa6SNoa Osherovich err: 1884479163f4SAl Viro kvfree(in); 1885e126ba97SEli Cohen return err; 1886e126ba97SEli Cohen } 1887e126ba97SEli Cohen 1888e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1889e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1890e126ba97SEli Cohen { 1891e126ba97SEli Cohen if (send_cq) { 1892e126ba97SEli Cohen if (recv_cq) { 1893e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 189489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1895e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1896e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1897e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 189889ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1899e126ba97SEli Cohen __acquire(&recv_cq->lock); 1900e126ba97SEli Cohen } else { 190189ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1902e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1903e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1904e126ba97SEli Cohen } 1905e126ba97SEli Cohen } else { 190689ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 19076a4f139aSEli Cohen __acquire(&recv_cq->lock); 1908e126ba97SEli Cohen } 1909e126ba97SEli Cohen } else if (recv_cq) { 191089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 19116a4f139aSEli Cohen __acquire(&send_cq->lock); 19126a4f139aSEli Cohen } else { 19136a4f139aSEli Cohen __acquire(&send_cq->lock); 19146a4f139aSEli Cohen __acquire(&recv_cq->lock); 1915e126ba97SEli Cohen } 1916e126ba97SEli Cohen } 1917e126ba97SEli Cohen 1918e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1919e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1920e126ba97SEli Cohen { 1921e126ba97SEli Cohen if (send_cq) { 1922e126ba97SEli Cohen if (recv_cq) { 1923e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1924e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 192589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1926e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1927e126ba97SEli Cohen __release(&recv_cq->lock); 192889ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1929e126ba97SEli Cohen } else { 1930e126ba97SEli Cohen spin_unlock(&send_cq->lock); 193189ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1932e126ba97SEli Cohen } 1933e126ba97SEli Cohen } else { 19346a4f139aSEli Cohen __release(&recv_cq->lock); 193589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1936e126ba97SEli Cohen } 1937e126ba97SEli Cohen } else if (recv_cq) { 19386a4f139aSEli Cohen __release(&send_cq->lock); 193989ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 19406a4f139aSEli Cohen } else { 19416a4f139aSEli Cohen __release(&recv_cq->lock); 19426a4f139aSEli Cohen __release(&send_cq->lock); 1943e126ba97SEli Cohen } 1944e126ba97SEli Cohen } 1945e126ba97SEli Cohen 1946e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1947e126ba97SEli Cohen { 1948e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1949e126ba97SEli Cohen } 1950e126ba97SEli Cohen 195189ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 195289ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1953e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1954e126ba97SEli Cohen { 195589ea94a7SMaor Gottlieb switch (qp_type) { 1956e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1957e126ba97SEli Cohen *send_cq = NULL; 1958e126ba97SEli Cohen *recv_cq = NULL; 1959e126ba97SEli Cohen break; 1960e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1961e126ba97SEli Cohen case IB_QPT_XRC_INI: 196289ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1963e126ba97SEli Cohen *recv_cq = NULL; 1964e126ba97SEli Cohen break; 1965e126ba97SEli Cohen 1966e126ba97SEli Cohen case IB_QPT_SMI: 1967d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1968e126ba97SEli Cohen case IB_QPT_RC: 1969e126ba97SEli Cohen case IB_QPT_UC: 1970e126ba97SEli Cohen case IB_QPT_UD: 1971e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1972e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 19730fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 197489ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 197589ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 1976e126ba97SEli Cohen break; 1977e126ba97SEli Cohen 1978e126ba97SEli Cohen case IB_QPT_MAX: 1979e126ba97SEli Cohen default: 1980e126ba97SEli Cohen *send_cq = NULL; 1981e126ba97SEli Cohen *recv_cq = NULL; 1982e126ba97SEli Cohen break; 1983e126ba97SEli Cohen } 1984e126ba97SEli Cohen } 1985e126ba97SEli Cohen 1986ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 198713eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 198813eab21fSAviv Heller u8 lag_tx_affinity); 1989ad5f8e96Smajd@mellanox.com 1990e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1991e126ba97SEli Cohen { 1992e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 1993c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 199489ea94a7SMaor Gottlieb unsigned long flags; 1995e126ba97SEli Cohen int err; 1996e126ba97SEli Cohen 199728d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 199828d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 199928d61370SYishai Hadas return; 200028d61370SYishai Hadas } 200128d61370SYishai Hadas 2002c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2003c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 20040fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 20050fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 20060fb2ed66Smajd@mellanox.com 20076aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2008c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2009c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2010ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 20111a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 20121a412fb1SSaeed Mahameed NULL, &base->mqp); 2013ad5f8e96Smajd@mellanox.com } else { 20140680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 20150680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 20160680efa2SAlex Vesker }; 20170680efa2SAlex Vesker 201813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2019ad5f8e96Smajd@mellanox.com } 2020ad5f8e96Smajd@mellanox.com if (err) 2021427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 202219098df2Smajd@mellanox.com base->mqp.qpn); 20236aec21f6SHaggai Eran } 2024e126ba97SEli Cohen 202589ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 202689ea94a7SMaor Gottlieb &send_cq, &recv_cq); 202789ea94a7SMaor Gottlieb 202889ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 202989ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 203089ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 203189ea94a7SMaor Gottlieb list_del(&qp->qps_list); 203289ea94a7SMaor Gottlieb if (send_cq) 203389ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 203489ea94a7SMaor Gottlieb 203589ea94a7SMaor Gottlieb if (recv_cq) 203689ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2037e126ba97SEli Cohen 2038e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 203919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2040e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2041e126ba97SEli Cohen if (send_cq != recv_cq) 204219098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 204319098df2Smajd@mellanox.com NULL); 2044e126ba97SEli Cohen } 204589ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 204689ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2047e126ba97SEli Cohen 2048c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2049c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 20500fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 20510fb2ed66Smajd@mellanox.com } else { 205219098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2053e126ba97SEli Cohen if (err) 20540fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 20550fb2ed66Smajd@mellanox.com base->mqp.qpn); 20560fb2ed66Smajd@mellanox.com } 2057e126ba97SEli Cohen 2058e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2059e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2060e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2061b037c29aSEli Cohen destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); 2062e126ba97SEli Cohen } 2063e126ba97SEli Cohen 2064e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2065e126ba97SEli Cohen { 2066e126ba97SEli Cohen switch (type) { 2067e126ba97SEli Cohen case IB_QPT_SMI: 2068e126ba97SEli Cohen return "IB_QPT_SMI"; 2069e126ba97SEli Cohen case IB_QPT_GSI: 2070e126ba97SEli Cohen return "IB_QPT_GSI"; 2071e126ba97SEli Cohen case IB_QPT_RC: 2072e126ba97SEli Cohen return "IB_QPT_RC"; 2073e126ba97SEli Cohen case IB_QPT_UC: 2074e126ba97SEli Cohen return "IB_QPT_UC"; 2075e126ba97SEli Cohen case IB_QPT_UD: 2076e126ba97SEli Cohen return "IB_QPT_UD"; 2077e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2078e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2079e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2080e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2081e126ba97SEli Cohen case IB_QPT_XRC_INI: 2082e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2083e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2084e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2085e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2086e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2087e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2088e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2089e126ba97SEli Cohen case IB_QPT_MAX: 2090e126ba97SEli Cohen default: 2091e126ba97SEli Cohen return "Invalid QP type"; 2092e126ba97SEli Cohen } 2093e126ba97SEli Cohen } 2094e126ba97SEli Cohen 2095e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2096e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2097e126ba97SEli Cohen struct ib_udata *udata) 2098e126ba97SEli Cohen { 2099e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2100e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2101e126ba97SEli Cohen u16 xrcdn = 0; 2102e126ba97SEli Cohen int err; 2103e126ba97SEli Cohen 2104e126ba97SEli Cohen if (pd) { 2105e126ba97SEli Cohen dev = to_mdev(pd->device); 21060fb2ed66Smajd@mellanox.com 21070fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 21080fb2ed66Smajd@mellanox.com if (!pd->uobject) { 21090fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 21100fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 21110fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 21120fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 21130fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 21140fb2ed66Smajd@mellanox.com } 21150fb2ed66Smajd@mellanox.com } 211609f16cf5SMajd Dibbiny } else { 211709f16cf5SMajd Dibbiny /* being cautious here */ 211809f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 211909f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 212009f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 212109f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 212209f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 212309f16cf5SMajd Dibbiny } 212409f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2125e126ba97SEli Cohen } 2126e126ba97SEli Cohen 2127e126ba97SEli Cohen switch (init_attr->qp_type) { 2128e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2129e126ba97SEli Cohen case IB_QPT_XRC_INI: 2130938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2131e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2132e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2133e126ba97SEli Cohen } 2134e126ba97SEli Cohen init_attr->recv_cq = NULL; 2135e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2136e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2137e126ba97SEli Cohen init_attr->send_cq = NULL; 2138e126ba97SEli Cohen } 2139e126ba97SEli Cohen 2140e126ba97SEli Cohen /* fall through */ 21410fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2142e126ba97SEli Cohen case IB_QPT_RC: 2143e126ba97SEli Cohen case IB_QPT_UC: 2144e126ba97SEli Cohen case IB_QPT_UD: 2145e126ba97SEli Cohen case IB_QPT_SMI: 2146d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2147e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2148e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2149e126ba97SEli Cohen if (!qp) 2150e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2151e126ba97SEli Cohen 2152e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2153e126ba97SEli Cohen if (err) { 2154e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2155e126ba97SEli Cohen kfree(qp); 2156e126ba97SEli Cohen return ERR_PTR(err); 2157e126ba97SEli Cohen } 2158e126ba97SEli Cohen 2159e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2160e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2161e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2162e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2163e126ba97SEli Cohen else 216419098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2165e126ba97SEli Cohen 2166e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 216719098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2168a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2169a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2170e126ba97SEli Cohen 217119098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2172e126ba97SEli Cohen 2173e126ba97SEli Cohen break; 2174e126ba97SEli Cohen 2175d16e91daSHaggai Eran case IB_QPT_GSI: 2176d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2177d16e91daSHaggai Eran 2178e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2179e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2180e126ba97SEli Cohen case IB_QPT_MAX: 2181e126ba97SEli Cohen default: 2182e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2183e126ba97SEli Cohen init_attr->qp_type); 2184e126ba97SEli Cohen /* Don't support raw QPs */ 2185e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2186e126ba97SEli Cohen } 2187e126ba97SEli Cohen 2188e126ba97SEli Cohen return &qp->ibqp; 2189e126ba97SEli Cohen } 2190e126ba97SEli Cohen 2191e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2192e126ba97SEli Cohen { 2193e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2194e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2195e126ba97SEli Cohen 2196d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2197d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2198d16e91daSHaggai Eran 2199e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2200e126ba97SEli Cohen 2201e126ba97SEli Cohen kfree(mqp); 2202e126ba97SEli Cohen 2203e126ba97SEli Cohen return 0; 2204e126ba97SEli Cohen } 2205e126ba97SEli Cohen 2206e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2207e126ba97SEli Cohen int attr_mask) 2208e126ba97SEli Cohen { 2209e126ba97SEli Cohen u32 hw_access_flags = 0; 2210e126ba97SEli Cohen u8 dest_rd_atomic; 2211e126ba97SEli Cohen u32 access_flags; 2212e126ba97SEli Cohen 2213e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2214e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2215e126ba97SEli Cohen else 221619098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2217e126ba97SEli Cohen 2218e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2219e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2220e126ba97SEli Cohen else 222119098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2222e126ba97SEli Cohen 2223e126ba97SEli Cohen if (!dest_rd_atomic) 2224e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2225e126ba97SEli Cohen 2226e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2227e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2228e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2229e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2230e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2231e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2232e126ba97SEli Cohen 2233e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2234e126ba97SEli Cohen } 2235e126ba97SEli Cohen 2236e126ba97SEli Cohen enum { 2237e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2238e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2239e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2240e126ba97SEli Cohen }; 2241e126ba97SEli Cohen 2242e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2243e126ba97SEli Cohen { 2244e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2245e126ba97SEli Cohen return 0; 2246e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2247e126ba97SEli Cohen return -EINVAL; 2248e126ba97SEli Cohen } else { 2249e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2250e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2251938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2252e126ba97SEli Cohen --rate; 2253e126ba97SEli Cohen } 2254e126ba97SEli Cohen 2255e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2256e126ba97SEli Cohen } 2257e126ba97SEli Cohen 225875850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 225975850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 226075850d0bSmajd@mellanox.com { 226175850d0bSmajd@mellanox.com void *in; 226275850d0bSmajd@mellanox.com void *tisc; 226375850d0bSmajd@mellanox.com int inlen; 226475850d0bSmajd@mellanox.com int err; 226575850d0bSmajd@mellanox.com 226675850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 22671b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 226875850d0bSmajd@mellanox.com if (!in) 226975850d0bSmajd@mellanox.com return -ENOMEM; 227075850d0bSmajd@mellanox.com 227175850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 227275850d0bSmajd@mellanox.com 227375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 227475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 227575850d0bSmajd@mellanox.com 227675850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 227775850d0bSmajd@mellanox.com 227875850d0bSmajd@mellanox.com kvfree(in); 227975850d0bSmajd@mellanox.com 228075850d0bSmajd@mellanox.com return err; 228175850d0bSmajd@mellanox.com } 228275850d0bSmajd@mellanox.com 228313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 228413eab21fSAviv Heller struct mlx5_ib_sq *sq, u8 tx_affinity) 228513eab21fSAviv Heller { 228613eab21fSAviv Heller void *in; 228713eab21fSAviv Heller void *tisc; 228813eab21fSAviv Heller int inlen; 228913eab21fSAviv Heller int err; 229013eab21fSAviv Heller 229113eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 22921b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 229313eab21fSAviv Heller if (!in) 229413eab21fSAviv Heller return -ENOMEM; 229513eab21fSAviv Heller 229613eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 229713eab21fSAviv Heller 229813eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 229913eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 230013eab21fSAviv Heller 230113eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 230213eab21fSAviv Heller 230313eab21fSAviv Heller kvfree(in); 230413eab21fSAviv Heller 230513eab21fSAviv Heller return err; 230613eab21fSAviv Heller } 230713eab21fSAviv Heller 230875850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 230990898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2310e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2311f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2312f879ee8dSAchiad Shochat bool alt) 2313e126ba97SEli Cohen { 2314d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2315e126ba97SEli Cohen int err; 2316ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2317d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2318d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2319e126ba97SEli Cohen 2320e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2321f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2322f879ee8dSAchiad Shochat attr->pkey_index); 2323e126ba97SEli Cohen 2324d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2325d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2326938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2327f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2328d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2329938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2330f83b4263SEli Cohen return -EINVAL; 2331f83b4263SEli Cohen } 23322811ba51SAchiad Shochat } 233344c58487SDasaratharaman Chandramouli 233444c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2335d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 23362811ba51SAchiad Shochat return -EINVAL; 2337d8966fcdSDasaratharaman Chandramouli err = mlx5_get_roce_gid_type(dev, port, grh->sgid_index, 2338ed88451eSMajd Dibbiny &gid_type); 2339ed88451eSMajd Dibbiny if (err) 2340ed88451eSMajd Dibbiny return err; 234144c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 23422b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 23432b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 23442b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 23452b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 23462811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 2347d8966fcdSDasaratharaman Chandramouli grh->sgid_index); 2348d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 2349ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2350d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 23512811ba51SAchiad Shochat } else { 2352d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2353d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2354d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2355d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2356d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2357d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2358e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2359d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 23602811ba51SAchiad Shochat } 23612811ba51SAchiad Shochat 2362d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2363d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2364d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2365e126ba97SEli Cohen path->tclass_flowlabel = 2366d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2367d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2368d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2369e126ba97SEli Cohen } 2370e126ba97SEli Cohen 2371d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2372e126ba97SEli Cohen if (err < 0) 2373e126ba97SEli Cohen return err; 2374e126ba97SEli Cohen path->static_rate = err; 2375e126ba97SEli Cohen path->port = port; 2376e126ba97SEli Cohen 2377e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2378f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2379e126ba97SEli Cohen 238075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 238175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 238275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 2383d8966fcdSDasaratharaman Chandramouli sl & 0xf); 238475850d0bSmajd@mellanox.com 2385e126ba97SEli Cohen return 0; 2386e126ba97SEli Cohen } 2387e126ba97SEli Cohen 2388e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2389e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2390e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2391e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2392e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2393e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2394e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2395e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2396e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2397e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2398e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2399e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2400e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2401e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2402e126ba97SEli Cohen }, 2403e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2404e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2405e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2406e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2407e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2408e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2409e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2410e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2411e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2412e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2413e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2414e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2415e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2416a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2417a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2418a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2419a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2420a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2421e126ba97SEli Cohen }, 2422e126ba97SEli Cohen }, 2423e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2424e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2425e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2426e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2427e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2428e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2429e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2430e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2431e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2432e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2433e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2434e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2435e126ba97SEli Cohen }, 2436e126ba97SEli Cohen }, 2437e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2438e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2439e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2440e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2441e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2442e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2443c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2444c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2445e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2446c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2447c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2448e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2449e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2450e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2451e126ba97SEli Cohen }, 2452e126ba97SEli Cohen }, 2453e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2454e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2455e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2456e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 245775959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2458a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2459a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2460a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2461a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2462e126ba97SEli Cohen }, 2463e126ba97SEli Cohen }, 2464e126ba97SEli Cohen }; 2465e126ba97SEli Cohen 2466e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2467e126ba97SEli Cohen { 2468e126ba97SEli Cohen switch (ib_mask) { 2469e126ba97SEli Cohen case IB_QP_STATE: 2470e126ba97SEli Cohen return 0; 2471e126ba97SEli Cohen case IB_QP_CUR_STATE: 2472e126ba97SEli Cohen return 0; 2473e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2474e126ba97SEli Cohen return 0; 2475e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2476e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2477e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2478e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2479e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2480e126ba97SEli Cohen case IB_QP_PORT: 2481e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2482e126ba97SEli Cohen case IB_QP_QKEY: 2483e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2484e126ba97SEli Cohen case IB_QP_AV: 2485e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2486e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2487e126ba97SEli Cohen case IB_QP_PATH_MTU: 2488e126ba97SEli Cohen return 0; 2489e126ba97SEli Cohen case IB_QP_TIMEOUT: 2490e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2491e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2492e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2493e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2494e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2495e126ba97SEli Cohen case IB_QP_RQ_PSN: 2496e126ba97SEli Cohen return 0; 2497e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2498e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2499e126ba97SEli Cohen case IB_QP_ALT_PATH: 2500e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2501e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2502e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2503e126ba97SEli Cohen case IB_QP_SQ_PSN: 2504e126ba97SEli Cohen return 0; 2505e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2506e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2507e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2508e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2509e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2510e126ba97SEli Cohen case IB_QP_CAP: 2511e126ba97SEli Cohen return 0; 2512e126ba97SEli Cohen case IB_QP_DEST_QPN: 2513e126ba97SEli Cohen return 0; 2514e126ba97SEli Cohen } 2515e126ba97SEli Cohen return 0; 2516e126ba97SEli Cohen } 2517e126ba97SEli Cohen 2518e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2519e126ba97SEli Cohen { 2520e126ba97SEli Cohen int result = 0; 2521e126ba97SEli Cohen int i; 2522e126ba97SEli Cohen 2523e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2524e126ba97SEli Cohen if ((1 << i) & ib_mask) 2525e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2526e126ba97SEli Cohen } 2527e126ba97SEli Cohen 2528e126ba97SEli Cohen return result; 2529e126ba97SEli Cohen } 2530e126ba97SEli Cohen 2531eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 2532eb49ab0cSAlex Vesker struct mlx5_ib_rq *rq, int new_state, 2533eb49ab0cSAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2534ad5f8e96Smajd@mellanox.com { 2535ad5f8e96Smajd@mellanox.com void *in; 2536ad5f8e96Smajd@mellanox.com void *rqc; 2537ad5f8e96Smajd@mellanox.com int inlen; 2538ad5f8e96Smajd@mellanox.com int err; 2539ad5f8e96Smajd@mellanox.com 2540ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 25411b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2542ad5f8e96Smajd@mellanox.com if (!in) 2543ad5f8e96Smajd@mellanox.com return -ENOMEM; 2544ad5f8e96Smajd@mellanox.com 2545ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2546ad5f8e96Smajd@mellanox.com 2547ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2548ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2549ad5f8e96Smajd@mellanox.com 2550eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2551eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2552eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 255323a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 2554eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2555eb49ab0cSAlex Vesker } else 2556eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2557eb49ab0cSAlex Vesker dev->ib_dev.name); 2558eb49ab0cSAlex Vesker } 2559eb49ab0cSAlex Vesker 2560eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2561ad5f8e96Smajd@mellanox.com if (err) 2562ad5f8e96Smajd@mellanox.com goto out; 2563ad5f8e96Smajd@mellanox.com 2564ad5f8e96Smajd@mellanox.com rq->state = new_state; 2565ad5f8e96Smajd@mellanox.com 2566ad5f8e96Smajd@mellanox.com out: 2567ad5f8e96Smajd@mellanox.com kvfree(in); 2568ad5f8e96Smajd@mellanox.com return err; 2569ad5f8e96Smajd@mellanox.com } 2570ad5f8e96Smajd@mellanox.com 2571ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 25727d29f349SBodong Wang struct mlx5_ib_sq *sq, 25737d29f349SBodong Wang int new_state, 25747d29f349SBodong Wang const struct mlx5_modify_raw_qp_param *raw_qp_param) 2575ad5f8e96Smajd@mellanox.com { 25767d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 25777d29f349SBodong Wang u32 old_rate = ibqp->rate_limit; 25787d29f349SBodong Wang u32 new_rate = old_rate; 25797d29f349SBodong Wang u16 rl_index = 0; 2580ad5f8e96Smajd@mellanox.com void *in; 2581ad5f8e96Smajd@mellanox.com void *sqc; 2582ad5f8e96Smajd@mellanox.com int inlen; 2583ad5f8e96Smajd@mellanox.com int err; 2584ad5f8e96Smajd@mellanox.com 2585ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 25861b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2587ad5f8e96Smajd@mellanox.com if (!in) 2588ad5f8e96Smajd@mellanox.com return -ENOMEM; 2589ad5f8e96Smajd@mellanox.com 2590ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2591ad5f8e96Smajd@mellanox.com 2592ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2593ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2594ad5f8e96Smajd@mellanox.com 25957d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 25967d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 25977d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 25987d29f349SBodong Wang __func__); 25997d29f349SBodong Wang else 26007d29f349SBodong Wang new_rate = raw_qp_param->rate_limit; 26017d29f349SBodong Wang } 2602ad5f8e96Smajd@mellanox.com 26037d29f349SBodong Wang if (old_rate != new_rate) { 26047d29f349SBodong Wang if (new_rate) { 26057d29f349SBodong Wang err = mlx5_rl_add_rate(dev, new_rate, &rl_index); 26067d29f349SBodong Wang if (err) { 26077d29f349SBodong Wang pr_err("Failed configuring rate %u: %d\n", 26087d29f349SBodong Wang new_rate, err); 26097d29f349SBodong Wang goto out; 26107d29f349SBodong Wang } 26117d29f349SBodong Wang } 26127d29f349SBodong Wang 26137d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 26147d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 26157d29f349SBodong Wang } 26167d29f349SBodong Wang 26177d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 26187d29f349SBodong Wang if (err) { 26197d29f349SBodong Wang /* Remove new rate from table if failed */ 26207d29f349SBodong Wang if (new_rate && 26217d29f349SBodong Wang old_rate != new_rate) 26227d29f349SBodong Wang mlx5_rl_remove_rate(dev, new_rate); 26237d29f349SBodong Wang goto out; 26247d29f349SBodong Wang } 26257d29f349SBodong Wang 26267d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 26277d29f349SBodong Wang if ((old_rate && 26287d29f349SBodong Wang (old_rate != new_rate)) || 26297d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 26307d29f349SBodong Wang mlx5_rl_remove_rate(dev, old_rate); 26317d29f349SBodong Wang 26327d29f349SBodong Wang ibqp->rate_limit = new_rate; 2633ad5f8e96Smajd@mellanox.com sq->state = new_state; 2634ad5f8e96Smajd@mellanox.com 2635ad5f8e96Smajd@mellanox.com out: 2636ad5f8e96Smajd@mellanox.com kvfree(in); 2637ad5f8e96Smajd@mellanox.com return err; 2638ad5f8e96Smajd@mellanox.com } 2639ad5f8e96Smajd@mellanox.com 2640ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 264113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 264213eab21fSAviv Heller u8 tx_affinity) 2643ad5f8e96Smajd@mellanox.com { 2644ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2645ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2646ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 26477d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 26487d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 2649ad5f8e96Smajd@mellanox.com int rq_state; 2650ad5f8e96Smajd@mellanox.com int sq_state; 2651ad5f8e96Smajd@mellanox.com int err; 2652ad5f8e96Smajd@mellanox.com 26530680efa2SAlex Vesker switch (raw_qp_param->operation) { 2654ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2655ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2656ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2657ad5f8e96Smajd@mellanox.com break; 2658ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2659ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2660ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2661ad5f8e96Smajd@mellanox.com break; 2662ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2663ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2664ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2665ad5f8e96Smajd@mellanox.com break; 2666ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2667ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 26687d29f349SBodong Wang if (raw_qp_param->set_mask == 26697d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 26707d29f349SBodong Wang modify_rq = 0; 26717d29f349SBodong Wang sq_state = sq->state; 26727d29f349SBodong Wang } else { 26737d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 26747d29f349SBodong Wang } 26757d29f349SBodong Wang break; 26767d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 26777d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 2678eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2679eb49ab0cSAlex Vesker return -EINVAL; 2680eb49ab0cSAlex Vesker else 2681ad5f8e96Smajd@mellanox.com return 0; 2682ad5f8e96Smajd@mellanox.com default: 2683ad5f8e96Smajd@mellanox.com WARN_ON(1); 2684ad5f8e96Smajd@mellanox.com return -EINVAL; 2685ad5f8e96Smajd@mellanox.com } 2686ad5f8e96Smajd@mellanox.com 26877d29f349SBodong Wang if (modify_rq) { 2688eb49ab0cSAlex Vesker err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); 2689ad5f8e96Smajd@mellanox.com if (err) 2690ad5f8e96Smajd@mellanox.com return err; 2691ad5f8e96Smajd@mellanox.com } 2692ad5f8e96Smajd@mellanox.com 26937d29f349SBodong Wang if (modify_sq) { 269413eab21fSAviv Heller if (tx_affinity) { 269513eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 269613eab21fSAviv Heller tx_affinity); 269713eab21fSAviv Heller if (err) 269813eab21fSAviv Heller return err; 269913eab21fSAviv Heller } 270013eab21fSAviv Heller 27017d29f349SBodong Wang return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); 270213eab21fSAviv Heller } 2703ad5f8e96Smajd@mellanox.com 2704ad5f8e96Smajd@mellanox.com return 0; 2705ad5f8e96Smajd@mellanox.com } 2706ad5f8e96Smajd@mellanox.com 2707e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2708e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2709e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2710e126ba97SEli Cohen { 2711427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2712427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2713427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2714427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2715427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2716427c1e7bSmajd@mellanox.com }, 2717427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2718427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2719427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2720427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2721427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2722427c1e7bSmajd@mellanox.com }, 2723427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2724427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2725427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2726427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2727427c1e7bSmajd@mellanox.com }, 2728427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2729427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2730427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2731427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2732427c1e7bSmajd@mellanox.com }, 2733427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2734427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2735427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2736427c1e7bSmajd@mellanox.com }, 2737427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2738427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2739427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2740427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2741427c1e7bSmajd@mellanox.com }, 2742427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2743427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2744427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2745427c1e7bSmajd@mellanox.com } 2746427c1e7bSmajd@mellanox.com }; 2747427c1e7bSmajd@mellanox.com 2748e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2749e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 275019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2751e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2752e126ba97SEli Cohen struct mlx5_qp_context *context; 2753e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2754eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 2755e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2756e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2757e126ba97SEli Cohen int mlx5_st; 2758e126ba97SEli Cohen int err; 2759427c1e7bSmajd@mellanox.com u16 op; 276013eab21fSAviv Heller u8 tx_affinity = 0; 2761e126ba97SEli Cohen 27621a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 27631a412fb1SSaeed Mahameed if (!context) 2764e126ba97SEli Cohen return -ENOMEM; 2765e126ba97SEli Cohen 2766e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2767158abf86SHaggai Eran if (err < 0) { 2768158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2769e126ba97SEli Cohen goto out; 2770158abf86SHaggai Eran } 2771e126ba97SEli Cohen 2772e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2773e126ba97SEli Cohen 2774e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2775e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2776e126ba97SEli Cohen } else { 2777e126ba97SEli Cohen switch (attr->path_mig_state) { 2778e126ba97SEli Cohen case IB_MIG_MIGRATED: 2779e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2780e126ba97SEli Cohen break; 2781e126ba97SEli Cohen case IB_MIG_REARM: 2782e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2783e126ba97SEli Cohen break; 2784e126ba97SEli Cohen case IB_MIG_ARMED: 2785e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2786e126ba97SEli Cohen break; 2787e126ba97SEli Cohen } 2788e126ba97SEli Cohen } 2789e126ba97SEli Cohen 279013eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 279113eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 279213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 279313eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 279413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 279513eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 279613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 279713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 279813eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 279913eab21fSAviv Heller tx_affinity = (unsigned int)atomic_add_return(1, 280013eab21fSAviv Heller &dev->roce.next_port) % 280113eab21fSAviv Heller MLX5_MAX_PORTS + 1; 280213eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 280313eab21fSAviv Heller } 280413eab21fSAviv Heller } 280513eab21fSAviv Heller } 280613eab21fSAviv Heller 2807d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2808e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2809c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 2810c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 2811e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2812e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2813e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2814e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2815e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2816e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2817e126ba97SEli Cohen err = -EINVAL; 2818e126ba97SEli Cohen goto out; 2819e126ba97SEli Cohen } 2820938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2821938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2822e126ba97SEli Cohen } 2823e126ba97SEli Cohen 2824e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2825e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2826e126ba97SEli Cohen 2827e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2828d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2829e126ba97SEli Cohen 2830e126ba97SEli Cohen /* todo implement counter_index functionality */ 2831e126ba97SEli Cohen 2832e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2833e126ba97SEli Cohen context->pri_path.port = qp->port; 2834e126ba97SEli Cohen 2835e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2836e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2837e126ba97SEli Cohen 2838e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 283975850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2840e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2841f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2842e126ba97SEli Cohen if (err) 2843e126ba97SEli Cohen goto out; 2844e126ba97SEli Cohen } 2845e126ba97SEli Cohen 2846e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2847e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2848e126ba97SEli Cohen 2849e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 285075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 285175850d0bSmajd@mellanox.com &context->alt_path, 2852f879ee8dSAchiad Shochat attr->alt_port_num, 2853f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2854f879ee8dSAchiad Shochat 0, attr, true); 2855e126ba97SEli Cohen if (err) 2856e126ba97SEli Cohen goto out; 2857e126ba97SEli Cohen } 2858e126ba97SEli Cohen 2859e126ba97SEli Cohen pd = get_pd(qp); 286089ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 286189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2862e126ba97SEli Cohen 2863e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2864e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2865e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2866e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2867e126ba97SEli Cohen 2868e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2869e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2870e126ba97SEli Cohen 2871e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2872e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2873e126ba97SEli Cohen 2874e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2875e126ba97SEli Cohen if (attr->max_rd_atomic) 2876e126ba97SEli Cohen context->params1 |= 2877e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2878e126ba97SEli Cohen } 2879e126ba97SEli Cohen 2880e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2881e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2882e126ba97SEli Cohen 2883e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2884e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2885e126ba97SEli Cohen context->params2 |= 2886e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2887e126ba97SEli Cohen } 2888e126ba97SEli Cohen 2889e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2890e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2891e126ba97SEli Cohen 2892e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2893e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2894e126ba97SEli Cohen 2895e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2896e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2897e126ba97SEli Cohen 2898e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2899e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2900e126ba97SEli Cohen 2901e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2902e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2903e126ba97SEli Cohen 29040837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 29050837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 29060837e86aSMark Bloch qp->port) - 1; 2907c2e53b2cSYishai Hadas 2908c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 2909c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 2910c2e53b2cSYishai Hadas port_num = 0; 2911c2e53b2cSYishai Hadas 2912eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 29130837e86aSMark Bloch context->qp_counter_set_usr_page |= 2914e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 29150837e86aSMark Bloch } 29160837e86aSMark Bloch 2917e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2918e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2919e126ba97SEli Cohen 2920b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2921b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2922e126ba97SEli Cohen 2923e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2924e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2925e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 292607c9113fSEli Cohen if (mlx5_st < 0) 2927e126ba97SEli Cohen goto out; 2928e126ba97SEli Cohen 2929427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2930427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2931427c1e7bSmajd@mellanox.com goto out; 2932427c1e7bSmajd@mellanox.com 2933427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2934e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2935e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2936ad5f8e96Smajd@mellanox.com 2937c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2938c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 29390680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 29400680efa2SAlex Vesker 29410680efa2SAlex Vesker raw_qp_param.operation = op; 2942eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 2943e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 2944eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 2945eb49ab0cSAlex Vesker } 29467d29f349SBodong Wang 29477d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 29487d29f349SBodong Wang raw_qp_param.rate_limit = attr->rate_limit; 29497d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 29507d29f349SBodong Wang } 29517d29f349SBodong Wang 295213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 29530680efa2SAlex Vesker } else { 29541a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 295519098df2Smajd@mellanox.com &base->mqp); 29560680efa2SAlex Vesker } 29570680efa2SAlex Vesker 2958e126ba97SEli Cohen if (err) 2959e126ba97SEli Cohen goto out; 2960e126ba97SEli Cohen 2961e126ba97SEli Cohen qp->state = new_state; 2962e126ba97SEli Cohen 2963e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 296419098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2965e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 296619098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2967e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2968e126ba97SEli Cohen qp->port = attr->port_num; 2969e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 297019098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2971e126ba97SEli Cohen 2972e126ba97SEli Cohen /* 2973e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2974e126ba97SEli Cohen * entries and reinitialize the QP. 2975e126ba97SEli Cohen */ 2976e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 297719098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2978e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2979e126ba97SEli Cohen if (send_cq != recv_cq) 298019098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2981e126ba97SEli Cohen 2982e126ba97SEli Cohen qp->rq.head = 0; 2983e126ba97SEli Cohen qp->rq.tail = 0; 2984e126ba97SEli Cohen qp->sq.head = 0; 2985e126ba97SEli Cohen qp->sq.tail = 0; 2986e126ba97SEli Cohen qp->sq.cur_post = 0; 2987e126ba97SEli Cohen qp->sq.last_poll = 0; 2988e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2989e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2990e126ba97SEli Cohen } 2991e126ba97SEli Cohen 2992e126ba97SEli Cohen out: 29931a412fb1SSaeed Mahameed kfree(context); 2994e126ba97SEli Cohen return err; 2995e126ba97SEli Cohen } 2996e126ba97SEli Cohen 2997e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2998e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2999e126ba97SEli Cohen { 3000e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3001e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 3002d16e91daSHaggai Eran enum ib_qp_type qp_type; 3003e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 3004e126ba97SEli Cohen int err = -EINVAL; 3005e126ba97SEli Cohen int port; 30062811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 3007e126ba97SEli Cohen 300828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 300928d61370SYishai Hadas return -ENOSYS; 301028d61370SYishai Hadas 3011d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3012d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3013d16e91daSHaggai Eran 3014d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3015d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3016d16e91daSHaggai Eran 3017e126ba97SEli Cohen mutex_lock(&qp->mutex); 3018e126ba97SEli Cohen 3019e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3020e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3021e126ba97SEli Cohen 30222811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 30232811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 30242811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 30252811ba51SAchiad Shochat } 30262811ba51SAchiad Shochat 3027c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3028c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3029c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3030c2e53b2cSYishai Hadas attr_mask); 3031c2e53b2cSYishai Hadas goto out; 3032c2e53b2cSYishai Hadas } 3033c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3034d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 3035158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3036158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3037e126ba97SEli Cohen goto out; 3038158abf86SHaggai Eran } 3039e126ba97SEli Cohen 3040e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3041938fe83cSSaeed Mahameed (attr->port_num == 0 || 3042158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 3043158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3044158abf86SHaggai Eran attr->port_num, dev->num_ports); 3045e126ba97SEli Cohen goto out; 3046158abf86SHaggai Eran } 3047e126ba97SEli Cohen 3048e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3049e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3050938fe83cSSaeed Mahameed if (attr->pkey_index >= 3051158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3052158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3053158abf86SHaggai Eran attr->pkey_index); 3054e126ba97SEli Cohen goto out; 3055e126ba97SEli Cohen } 3056158abf86SHaggai Eran } 3057e126ba97SEli Cohen 3058e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3059938fe83cSSaeed Mahameed attr->max_rd_atomic > 3060158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3061158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3062158abf86SHaggai Eran attr->max_rd_atomic); 3063e126ba97SEli Cohen goto out; 3064158abf86SHaggai Eran } 3065e126ba97SEli Cohen 3066e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3067938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3068158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3069158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3070158abf86SHaggai Eran attr->max_dest_rd_atomic); 3071e126ba97SEli Cohen goto out; 3072158abf86SHaggai Eran } 3073e126ba97SEli Cohen 3074e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3075e126ba97SEli Cohen err = 0; 3076e126ba97SEli Cohen goto out; 3077e126ba97SEli Cohen } 3078e126ba97SEli Cohen 3079e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 3080e126ba97SEli Cohen 3081e126ba97SEli Cohen out: 3082e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3083e126ba97SEli Cohen return err; 3084e126ba97SEli Cohen } 3085e126ba97SEli Cohen 3086e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3087e126ba97SEli Cohen { 3088e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3089e126ba97SEli Cohen unsigned cur; 3090e126ba97SEli Cohen 3091e126ba97SEli Cohen cur = wq->head - wq->tail; 3092e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3093e126ba97SEli Cohen return 0; 3094e126ba97SEli Cohen 3095e126ba97SEli Cohen cq = to_mcq(ib_cq); 3096e126ba97SEli Cohen spin_lock(&cq->lock); 3097e126ba97SEli Cohen cur = wq->head - wq->tail; 3098e126ba97SEli Cohen spin_unlock(&cq->lock); 3099e126ba97SEli Cohen 3100e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3101e126ba97SEli Cohen } 3102e126ba97SEli Cohen 3103e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3104e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3105e126ba97SEli Cohen { 3106e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3107e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3108e126ba97SEli Cohen rseg->reserved = 0; 3109e126ba97SEli Cohen } 3110e126ba97SEli Cohen 3111f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 3112f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 3113f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 3114f0313965SErez Shitrit { 3115f0313965SErez Shitrit void *seg = eseg; 3116f0313965SErez Shitrit 3117f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3118f0313965SErez Shitrit 3119f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3120f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3121f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3122f0313965SErez Shitrit 3123f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 3124f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3125f0313965SErez Shitrit 3126f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3127f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 31282b31f7aeSSaeed Mahameed int size_of_inl_hdr_start = sizeof(eseg->inline_hdr.start); 3129f0313965SErez Shitrit u64 left, leftlen, copysz; 3130f0313965SErez Shitrit void *pdata = ud_wr->header; 3131f0313965SErez Shitrit 3132f0313965SErez Shitrit left = ud_wr->hlen; 3133f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 31342b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 3135f0313965SErez Shitrit 3136f0313965SErez Shitrit /* 3137f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 3138f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 3139f0313965SErez Shitrit * rollback and than the copy the left 3140f0313965SErez Shitrit */ 31412b31f7aeSSaeed Mahameed leftlen = qend - (void *)eseg->inline_hdr.start; 3142f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 3143f0313965SErez Shitrit 3144f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 3145f0313965SErez Shitrit 3146f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 3147f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 3148f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 3149f0313965SErez Shitrit } 3150f0313965SErez Shitrit 3151f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 3152f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3153f0313965SErez Shitrit left -= copysz; 3154f0313965SErez Shitrit pdata += copysz; 3155f0313965SErez Shitrit memcpy(seg, pdata, left); 3156f0313965SErez Shitrit seg += ALIGN(left, 16); 3157f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 3158f0313965SErez Shitrit } 3159f0313965SErez Shitrit } 3160f0313965SErez Shitrit 3161f0313965SErez Shitrit return seg; 3162f0313965SErez Shitrit } 3163f0313965SErez Shitrit 3164e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3165e126ba97SEli Cohen struct ib_send_wr *wr) 3166e126ba97SEli Cohen { 3167e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3168e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3169e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3170e126ba97SEli Cohen } 3171e126ba97SEli Cohen 3172e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3173e126ba97SEli Cohen { 3174e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3175e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3176e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3177e126ba97SEli Cohen } 3178e126ba97SEli Cohen 317931616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 3180e126ba97SEli Cohen { 318131616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 318231616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 3183e126ba97SEli Cohen } 3184e126ba97SEli Cohen 3185e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3186e126ba97SEli Cohen { 3187e126ba97SEli Cohen u64 result; 3188e126ba97SEli Cohen 3189e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3190e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3191e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3192e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3193e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3194e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3195e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3196e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3197e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3198e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3199e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3200e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3201e126ba97SEli Cohen 3202e126ba97SEli Cohen return cpu_to_be64(result); 3203e126ba97SEli Cohen } 3204e126ba97SEli Cohen 3205e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3206e6631814SSagi Grimberg { 3207e6631814SSagi Grimberg u64 result; 3208e6631814SSagi Grimberg 3209e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3210e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3211e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3212d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3213e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3214e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3215e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3216e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3217e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3218e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3219e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3220e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3221e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3222e6631814SSagi Grimberg 3223e6631814SSagi Grimberg return cpu_to_be64(result); 3224e6631814SSagi Grimberg } 3225e6631814SSagi Grimberg 32268a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 32278a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 32288a187ee5SSagi Grimberg { 322931616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 32308a187ee5SSagi Grimberg 32318a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3232b005d316SSagi Grimberg 32338a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 323431616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 32358a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 32368a187ee5SSagi Grimberg } 32378a187ee5SSagi Grimberg 3238dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3239e126ba97SEli Cohen { 3240e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3241e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 32422d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3243e126ba97SEli Cohen } 3244e126ba97SEli Cohen 324531616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 3246e126ba97SEli Cohen { 3247968e78ddSHaggai Eran u64 result; 3248e126ba97SEli Cohen 324931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 3250e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3251968e78ddSHaggai Eran 3252968e78ddSHaggai Eran return cpu_to_be64(result); 3253968e78ddSHaggai Eran } 3254968e78ddSHaggai Eran 325531616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 3256968e78ddSHaggai Eran { 3257968e78ddSHaggai Eran u64 result; 3258968e78ddSHaggai Eran 3259968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3260968e78ddSHaggai Eran 3261968e78ddSHaggai Eran return cpu_to_be64(result); 3262968e78ddSHaggai Eran } 3263968e78ddSHaggai Eran 326456e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 326556e11d62SNoa Osherovich { 326656e11d62SNoa Osherovich u64 result; 326756e11d62SNoa Osherovich 326856e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 326956e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 327031616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 327156e11d62SNoa Osherovich 327256e11d62SNoa Osherovich return cpu_to_be64(result); 327356e11d62SNoa Osherovich } 327456e11d62SNoa Osherovich 327531616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 327656e11d62SNoa Osherovich { 327756e11d62SNoa Osherovich u64 result; 327856e11d62SNoa Osherovich 327931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 328031616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 328156e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 328231616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 328331616255SArtemy Kovalyov 328431616255SArtemy Kovalyov if (atomic) 328531616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 328656e11d62SNoa Osherovich 328756e11d62SNoa Osherovich return cpu_to_be64(result); 328856e11d62SNoa Osherovich } 328956e11d62SNoa Osherovich 329056e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 329156e11d62SNoa Osherovich { 329256e11d62SNoa Osherovich u64 result; 329356e11d62SNoa Osherovich 329431616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 329556e11d62SNoa Osherovich 329656e11d62SNoa Osherovich return cpu_to_be64(result); 329756e11d62SNoa Osherovich } 329856e11d62SNoa Osherovich 3299968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3300578e7264SMaor Gottlieb struct ib_send_wr *wr, int atomic) 3301968e78ddSHaggai Eran { 3302e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3303968e78ddSHaggai Eran 3304968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3305968e78ddSHaggai Eran 3306968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3307968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3308968e78ddSHaggai Eran else 3309968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3310968e78ddSHaggai Eran 331131616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 331231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 331331616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 331431616255SArtemy Kovalyov 331531616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 331631616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 3317968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3318968e78ddSHaggai Eran } 331956e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 332056e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 332131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 332231616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 332356e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 3324e126ba97SEli Cohen } 332531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 332631616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 332731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 332831616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 3329e126ba97SEli Cohen 3330e126ba97SEli Cohen if (!wr->num_sge) 3331968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3332e126ba97SEli Cohen } 3333e126ba97SEli Cohen 3334e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3335e126ba97SEli Cohen { 3336e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3337e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3338e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3339e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 33402ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3341e126ba97SEli Cohen } 3342e126ba97SEli Cohen 33438a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 33448a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 33458a187ee5SSagi Grimberg u32 key, int access) 33468a187ee5SSagi Grimberg { 33478a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 33488a187ee5SSagi Grimberg 33498a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3350b005d316SSagi Grimberg 3351ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3352b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3353ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3354b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3355b005d316SSagi Grimberg ndescs *= 2; 3356b005d316SSagi Grimberg 3357b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 33588a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 33598a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 33608a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 33618a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 33628a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 33638a187ee5SSagi Grimberg } 33648a187ee5SSagi Grimberg 3365dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3366e126ba97SEli Cohen { 3367e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3368968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3369e126ba97SEli Cohen } 3370e126ba97SEli Cohen 3371e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3372e126ba97SEli Cohen { 3373e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3374968e78ddSHaggai Eran 3375e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 337631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 3377968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3378e126ba97SEli Cohen 3379968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 338056e11d62SNoa Osherovich if (umrwr->pd) 3381968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 338231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 338331616255SArtemy Kovalyov !umrwr->length) 338431616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 338531616255SArtemy Kovalyov 338631616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 3387968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3388968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3389746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3390968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3391e126ba97SEli Cohen } 3392e126ba97SEli Cohen 33938a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 33948a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 33958a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 33968a187ee5SSagi Grimberg { 33978a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 33988a187ee5SSagi Grimberg 33998a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 34008a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 34018a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 34028a187ee5SSagi Grimberg } 34038a187ee5SSagi Grimberg 3404e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3405e126ba97SEli Cohen { 3406e126ba97SEli Cohen switch (wr->opcode) { 3407e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3408e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3409e126ba97SEli Cohen return wr->ex.imm_data; 3410e126ba97SEli Cohen 3411e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3412e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3413e126ba97SEli Cohen 3414e126ba97SEli Cohen default: 3415e126ba97SEli Cohen return 0; 3416e126ba97SEli Cohen } 3417e126ba97SEli Cohen } 3418e126ba97SEli Cohen 3419e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3420e126ba97SEli Cohen { 3421e126ba97SEli Cohen u8 *p = wqe; 3422e126ba97SEli Cohen u8 res = 0; 3423e126ba97SEli Cohen int i; 3424e126ba97SEli Cohen 3425e126ba97SEli Cohen for (i = 0; i < size; i++) 3426e126ba97SEli Cohen res ^= p[i]; 3427e126ba97SEli Cohen 3428e126ba97SEli Cohen return ~res; 3429e126ba97SEli Cohen } 3430e126ba97SEli Cohen 3431e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3432e126ba97SEli Cohen { 3433e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3434e126ba97SEli Cohen } 3435e126ba97SEli Cohen 3436e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3437e126ba97SEli Cohen void *wqe, int *sz) 3438e126ba97SEli Cohen { 3439e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3440e126ba97SEli Cohen void *qend = qp->sq.qend; 3441e126ba97SEli Cohen void *addr; 3442e126ba97SEli Cohen int inl = 0; 3443e126ba97SEli Cohen int copy; 3444e126ba97SEli Cohen int len; 3445e126ba97SEli Cohen int i; 3446e126ba97SEli Cohen 3447e126ba97SEli Cohen seg = wqe; 3448e126ba97SEli Cohen wqe += sizeof(*seg); 3449e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3450e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3451e126ba97SEli Cohen len = wr->sg_list[i].length; 3452e126ba97SEli Cohen inl += len; 3453e126ba97SEli Cohen 3454e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3455e126ba97SEli Cohen return -ENOMEM; 3456e126ba97SEli Cohen 3457e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3458e126ba97SEli Cohen copy = qend - wqe; 3459e126ba97SEli Cohen memcpy(wqe, addr, copy); 3460e126ba97SEli Cohen addr += copy; 3461e126ba97SEli Cohen len -= copy; 3462e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3463e126ba97SEli Cohen } 3464e126ba97SEli Cohen memcpy(wqe, addr, len); 3465e126ba97SEli Cohen wqe += len; 3466e126ba97SEli Cohen } 3467e126ba97SEli Cohen 3468e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3469e126ba97SEli Cohen 3470e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3471e126ba97SEli Cohen 3472e126ba97SEli Cohen return 0; 3473e126ba97SEli Cohen } 3474e126ba97SEli Cohen 3475e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3476e6631814SSagi Grimberg { 3477e6631814SSagi Grimberg switch (type) { 3478e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3479e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3480e6631814SSagi Grimberg default: 3481e6631814SSagi Grimberg return 0; 3482e6631814SSagi Grimberg } 3483e6631814SSagi Grimberg } 3484e6631814SSagi Grimberg 3485e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3486e6631814SSagi Grimberg { 3487e6631814SSagi Grimberg switch (block_size) { 3488e6631814SSagi Grimberg case 512: return 0x1; 3489e6631814SSagi Grimberg case 520: return 0x2; 3490e6631814SSagi Grimberg case 4096: return 0x3; 3491e6631814SSagi Grimberg case 4160: return 0x4; 3492e6631814SSagi Grimberg case 1073741824: return 0x5; 3493e6631814SSagi Grimberg default: return 0; 3494e6631814SSagi Grimberg } 3495e6631814SSagi Grimberg } 3496e6631814SSagi Grimberg 349778eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3498142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3499e6631814SSagi Grimberg { 3500142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3501142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3502142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3503142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3504142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3505142537f4SSagi Grimberg /* repeating block */ 3506142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3507142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3508142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3509e6631814SSagi Grimberg 351078eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 351178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3512e6631814SSagi Grimberg 351378eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 351478eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 351578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 351678eda2bbSSagi Grimberg else 351778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3518e6631814SSagi Grimberg } 3519e6631814SSagi Grimberg 352078eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 352178eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3522e6631814SSagi Grimberg } 3523e6631814SSagi Grimberg 3524e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3525e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3526e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3527e6631814SSagi Grimberg { 3528e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3529e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3530e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3531e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3532e6631814SSagi Grimberg 3533c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3534e6631814SSagi Grimberg 3535142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3536142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3537e6631814SSagi Grimberg /* Input domain check byte mask */ 3538e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 353978eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 354078eda2bbSSagi Grimberg 354178eda2bbSSagi Grimberg /* Memory domain */ 354278eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 354378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 354478eda2bbSSagi Grimberg break; 354578eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 354678eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 354778eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 354878eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 354978eda2bbSSagi Grimberg break; 355078eda2bbSSagi Grimberg default: 355178eda2bbSSagi Grimberg return -EINVAL; 355278eda2bbSSagi Grimberg } 355378eda2bbSSagi Grimberg 355478eda2bbSSagi Grimberg /* Wire domain */ 355578eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 355678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 355778eda2bbSSagi Grimberg break; 355878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3559e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 356078eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3561e6631814SSagi Grimberg /* Same block structure */ 3562142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3563e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3564fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3565c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3566fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3567c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3568fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3569e6631814SSagi Grimberg } else 3570e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3571e6631814SSagi Grimberg 3572142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 357378eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3574e6631814SSagi Grimberg break; 3575e6631814SSagi Grimberg default: 3576e6631814SSagi Grimberg return -EINVAL; 3577e6631814SSagi Grimberg } 3578e6631814SSagi Grimberg 3579e6631814SSagi Grimberg return 0; 3580e6631814SSagi Grimberg } 3581e6631814SSagi Grimberg 3582e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3583e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3584e6631814SSagi Grimberg { 3585e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3586e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3587e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3588e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3589e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3590e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3591e6631814SSagi Grimberg int ret; 3592e6631814SSagi Grimberg int wqe_size; 3593e6631814SSagi Grimberg 3594e622f2f4SChristoph Hellwig if (!wr->prot || 3595e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3596e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3597e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3598e6631814SSagi Grimberg /** 3599e6631814SSagi Grimberg * Source domain doesn't contain signature information 36005c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3601e6631814SSagi Grimberg * So need construct: 3602e6631814SSagi Grimberg * ------------------ 3603e6631814SSagi Grimberg * | data_klm | 3604e6631814SSagi Grimberg * ------------------ 3605e6631814SSagi Grimberg * | BSF | 3606e6631814SSagi Grimberg * ------------------ 3607e6631814SSagi Grimberg **/ 3608e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3609e6631814SSagi Grimberg 3610e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3611e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3612e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3613e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3614e6631814SSagi Grimberg } else { 3615e6631814SSagi Grimberg /** 3616e6631814SSagi Grimberg * Source domain contains signature information 3617e6631814SSagi Grimberg * So need construct a strided block format: 3618e6631814SSagi Grimberg * --------------------------- 3619e6631814SSagi Grimberg * | stride_block_ctrl | 3620e6631814SSagi Grimberg * --------------------------- 3621e6631814SSagi Grimberg * | data_klm | 3622e6631814SSagi Grimberg * --------------------------- 3623e6631814SSagi Grimberg * | prot_klm | 3624e6631814SSagi Grimberg * --------------------------- 3625e6631814SSagi Grimberg * | BSF | 3626e6631814SSagi Grimberg * --------------------------- 3627e6631814SSagi Grimberg **/ 3628e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3629e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3630e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3631e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3632e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3633e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3634e6631814SSagi Grimberg int prot_size; 3635e6631814SSagi Grimberg 3636e6631814SSagi Grimberg sblock_ctrl = *seg; 3637e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3638e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3639e6631814SSagi Grimberg 3640e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3641e6631814SSagi Grimberg if (!prot_size) { 3642e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3643e6631814SSagi Grimberg return -EINVAL; 3644e6631814SSagi Grimberg } 3645e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3646e6631814SSagi Grimberg prot_size); 3647e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3648e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3649e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3650e6631814SSagi Grimberg 3651e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3652e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3653e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 36545c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 36555c273b16SSagi Grimberg 3656e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3657e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3658e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3659e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 36605c273b16SSagi Grimberg 3661e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3662e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3663e6631814SSagi Grimberg } 3664e6631814SSagi Grimberg 3665e6631814SSagi Grimberg *seg += wqe_size; 3666e6631814SSagi Grimberg *size += wqe_size / 16; 3667e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3668e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3669e6631814SSagi Grimberg 3670e6631814SSagi Grimberg bsf = *seg; 3671e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3672e6631814SSagi Grimberg if (ret) 3673e6631814SSagi Grimberg return -EINVAL; 3674e6631814SSagi Grimberg 3675e6631814SSagi Grimberg *seg += sizeof(*bsf); 3676e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3677e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3678e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3679e6631814SSagi Grimberg 3680e6631814SSagi Grimberg return 0; 3681e6631814SSagi Grimberg } 3682e6631814SSagi Grimberg 3683e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 368431616255SArtemy Kovalyov struct ib_sig_handover_wr *wr, u32 size, 3685e6631814SSagi Grimberg u32 length, u32 pdn) 3686e6631814SSagi Grimberg { 3687e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3688e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3689d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3690e6631814SSagi Grimberg 3691e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3692e6631814SSagi Grimberg 3693e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3694ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3695e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3696d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3697e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3698e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 369931616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 3700e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3701e6631814SSagi Grimberg } 3702e6631814SSagi Grimberg 3703e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 370431616255SArtemy Kovalyov u32 size) 3705e6631814SSagi Grimberg { 3706e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3707e6631814SSagi Grimberg 3708e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 370931616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 3710e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3711e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3712e6631814SSagi Grimberg } 3713e6631814SSagi Grimberg 3714e6631814SSagi Grimberg 3715e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3716e6631814SSagi Grimberg void **seg, int *size) 3717e6631814SSagi Grimberg { 3718e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3719e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3720e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 372131616255SArtemy Kovalyov u32 xlt_size; 3722e6631814SSagi Grimberg int region_len, ret; 3723e6631814SSagi Grimberg 3724e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3725e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3726d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3727d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3728e6631814SSagi Grimberg return -EINVAL; 3729e6631814SSagi Grimberg 3730e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3731e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3732e622f2f4SChristoph Hellwig if (wr->prot && 3733e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3734e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3735e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3736e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3737e6631814SSagi Grimberg 3738e6631814SSagi Grimberg /** 3739e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3740e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3741e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3742e6631814SSagi Grimberg **/ 374331616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 3744e6631814SSagi Grimberg 374531616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 3746e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3747e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3748e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3749e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3750e6631814SSagi Grimberg 375131616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 3752e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3753e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3754e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3755e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3756e6631814SSagi Grimberg 3757e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3758e6631814SSagi Grimberg if (ret) 3759e6631814SSagi Grimberg return ret; 3760e6631814SSagi Grimberg 3761d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3762e6631814SSagi Grimberg return 0; 3763e6631814SSagi Grimberg } 3764e6631814SSagi Grimberg 3765e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3766e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3767e6631814SSagi Grimberg { 3768e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3769e6631814SSagi Grimberg 3770e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3771e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3772e6631814SSagi Grimberg switch (domain->sig_type) { 377378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 377478eda2bbSSagi Grimberg break; 3775e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3776e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3777e6631814SSagi Grimberg domain->sig.dif.app_tag); 3778e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3779e6631814SSagi Grimberg break; 3780e6631814SSagi Grimberg default: 378112bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 378212bbf1eaSLeon Romanovsky domain->sig_type); 378312bbf1eaSLeon Romanovsky return -EINVAL; 3784e6631814SSagi Grimberg } 3785e6631814SSagi Grimberg 378678eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 378778eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 378878eda2bbSSagi Grimberg 3789e6631814SSagi Grimberg return 0; 3790e6631814SSagi Grimberg } 3791e6631814SSagi Grimberg 37928a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 37938a187ee5SSagi Grimberg struct ib_reg_wr *wr, 37948a187ee5SSagi Grimberg void **seg, int *size) 37958a187ee5SSagi Grimberg { 37968a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 37978a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 37988a187ee5SSagi Grimberg 37998a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 38008a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 38018a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 38028a187ee5SSagi Grimberg return -EINVAL; 38038a187ee5SSagi Grimberg } 38048a187ee5SSagi Grimberg 38058a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 38068a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 38078a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 38088a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 38098a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 38108a187ee5SSagi Grimberg 38118a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 38128a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 38138a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 38148a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 38158a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 38168a187ee5SSagi Grimberg 38178a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 38188a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 38198a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 38208a187ee5SSagi Grimberg 38218a187ee5SSagi Grimberg return 0; 38228a187ee5SSagi Grimberg } 38238a187ee5SSagi Grimberg 3824dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3825e126ba97SEli Cohen { 3826dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3827e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3828e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3829e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3830e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3831dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3832e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3833e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3834e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3835e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3836e126ba97SEli Cohen } 3837e126ba97SEli Cohen 3838e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3839e126ba97SEli Cohen { 3840e126ba97SEli Cohen __be32 *p = NULL; 3841e126ba97SEli Cohen int tidx = idx; 3842e126ba97SEli Cohen int i, j; 3843e126ba97SEli Cohen 3844e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3845e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3846e126ba97SEli Cohen if ((i & 0xf) == 0) { 3847e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3848e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3849e126ba97SEli Cohen p = buf; 3850e126ba97SEli Cohen j = 0; 3851e126ba97SEli Cohen } 3852e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3853e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3854e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3855e126ba97SEli Cohen } 3856e126ba97SEli Cohen } 3857e126ba97SEli Cohen 38586e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 38596e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 38606a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 38616e5eadacSSagi Grimberg int *size, int nreq) 38626e5eadacSSagi Grimberg { 3863b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 3864b2a232d2SLeon Romanovsky return -ENOMEM; 38656e5eadacSSagi Grimberg 38666e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 38676e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 38686e5eadacSSagi Grimberg *ctrl = *seg; 38696e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 38706e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 38716e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 38726e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 38736e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 38746e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 38756e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 38766e5eadacSSagi Grimberg 38776e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 38786e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 38796e5eadacSSagi Grimberg 3880b2a232d2SLeon Romanovsky return 0; 38816e5eadacSSagi Grimberg } 38826e5eadacSSagi Grimberg 38836e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 38846e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 38856e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 38866e8484c5SMax Gurtovoy int nreq, u8 fence, u32 mlx5_opcode) 38876e5eadacSSagi Grimberg { 38886e5eadacSSagi Grimberg u8 opmod = 0; 38896e5eadacSSagi Grimberg 38906e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 38916e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 389219098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 38936e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 38946e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 38956e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 38966e5eadacSSagi Grimberg 38976e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 38986e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 38996e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 39006e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 39016e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 39026e5eadacSSagi Grimberg } 39036e5eadacSSagi Grimberg 39046e5eadacSSagi Grimberg 3905e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3906e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3907e126ba97SEli Cohen { 3908e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3909e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 391089ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 3911d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3912e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3913e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3914e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3915d16e91daSHaggai Eran struct mlx5_bf *bf; 3916e126ba97SEli Cohen int uninitialized_var(size); 3917d16e91daSHaggai Eran void *qend; 3918e126ba97SEli Cohen unsigned long flags; 3919e126ba97SEli Cohen unsigned idx; 3920e126ba97SEli Cohen int err = 0; 3921e126ba97SEli Cohen int num_sge; 3922e126ba97SEli Cohen void *seg; 3923e126ba97SEli Cohen int nreq; 3924e126ba97SEli Cohen int i; 3925e126ba97SEli Cohen u8 next_fence = 0; 3926e126ba97SEli Cohen u8 fence; 3927e126ba97SEli Cohen 3928d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3929d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3930d16e91daSHaggai Eran 3931d16e91daSHaggai Eran qp = to_mqp(ibqp); 39325fe9dec0SEli Cohen bf = &qp->bf; 3933d16e91daSHaggai Eran qend = qp->sq.qend; 3934d16e91daSHaggai Eran 3935e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3936e126ba97SEli Cohen 393789ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 393889ea94a7SMaor Gottlieb err = -EIO; 393989ea94a7SMaor Gottlieb *bad_wr = wr; 394089ea94a7SMaor Gottlieb nreq = 0; 394189ea94a7SMaor Gottlieb goto out; 394289ea94a7SMaor Gottlieb } 394389ea94a7SMaor Gottlieb 3944e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3945a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3946e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3947e126ba97SEli Cohen err = -EINVAL; 3948e126ba97SEli Cohen *bad_wr = wr; 3949e126ba97SEli Cohen goto out; 3950e126ba97SEli Cohen } 3951e126ba97SEli Cohen 3952e126ba97SEli Cohen num_sge = wr->num_sge; 3953e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3954e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 395524be409bSChuck Lever err = -EINVAL; 3956e126ba97SEli Cohen *bad_wr = wr; 3957e126ba97SEli Cohen goto out; 3958e126ba97SEli Cohen } 3959e126ba97SEli Cohen 39606e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 39616e5eadacSSagi Grimberg if (err) { 39626e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 39636e5eadacSSagi Grimberg err = -ENOMEM; 39646e5eadacSSagi Grimberg *bad_wr = wr; 39656e5eadacSSagi Grimberg goto out; 39666e5eadacSSagi Grimberg } 3967e126ba97SEli Cohen 39686e8484c5SMax Gurtovoy if (wr->opcode == IB_WR_LOCAL_INV || 39696e8484c5SMax Gurtovoy wr->opcode == IB_WR_REG_MR) { 39706e8484c5SMax Gurtovoy fence = dev->umr_fence; 39716e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 39726e8484c5SMax Gurtovoy } else if (wr->send_flags & IB_SEND_FENCE) { 39736e8484c5SMax Gurtovoy if (qp->next_fence) 39746e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 39756e8484c5SMax Gurtovoy else 39766e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 39776e8484c5SMax Gurtovoy } else { 39786e8484c5SMax Gurtovoy fence = qp->next_fence; 39796e8484c5SMax Gurtovoy } 39806e8484c5SMax Gurtovoy 3981e126ba97SEli Cohen switch (ibqp->qp_type) { 3982e126ba97SEli Cohen case IB_QPT_XRC_INI: 3983e126ba97SEli Cohen xrc = seg; 3984e126ba97SEli Cohen seg += sizeof(*xrc); 3985e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3986e126ba97SEli Cohen /* fall through */ 3987e126ba97SEli Cohen case IB_QPT_RC: 3988e126ba97SEli Cohen switch (wr->opcode) { 3989e126ba97SEli Cohen case IB_WR_RDMA_READ: 3990e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3991e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3992e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3993e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3994e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3995e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3996e126ba97SEli Cohen break; 3997e126ba97SEli Cohen 3998e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3999e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 4000e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 400181bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 400281bea28fSEli Cohen err = -ENOSYS; 400381bea28fSEli Cohen *bad_wr = wr; 400481bea28fSEli Cohen goto out; 4005e126ba97SEli Cohen 4006e126ba97SEli Cohen case IB_WR_LOCAL_INV: 4007e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 4008e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 4009dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 4010e126ba97SEli Cohen num_sge = 0; 4011e126ba97SEli Cohen break; 4012e126ba97SEli Cohen 40138a187ee5SSagi Grimberg case IB_WR_REG_MR: 40148a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 40158a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 40168a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 40178a187ee5SSagi Grimberg if (err) { 40188a187ee5SSagi Grimberg *bad_wr = wr; 40198a187ee5SSagi Grimberg goto out; 40208a187ee5SSagi Grimberg } 40218a187ee5SSagi Grimberg num_sge = 0; 40228a187ee5SSagi Grimberg break; 40238a187ee5SSagi Grimberg 4024e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4025e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4026e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4027e6631814SSagi Grimberg 4028e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 4029e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 4030e6631814SSagi Grimberg if (err) { 4031e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4032e6631814SSagi Grimberg *bad_wr = wr; 4033e6631814SSagi Grimberg goto out; 4034e6631814SSagi Grimberg } 4035e6631814SSagi Grimberg 40366e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40376e8484c5SMax Gurtovoy fence, MLX5_OPCODE_UMR); 4038e6631814SSagi Grimberg /* 4039e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4040e6631814SSagi Grimberg * on error 4041e6631814SSagi Grimberg */ 4042e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 4043e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 4044e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4045e6631814SSagi Grimberg &idx, &size, nreq); 4046e6631814SSagi Grimberg if (err) { 4047e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4048e6631814SSagi Grimberg err = -ENOMEM; 4049e6631814SSagi Grimberg *bad_wr = wr; 4050e6631814SSagi Grimberg goto out; 4051e6631814SSagi Grimberg } 4052e6631814SSagi Grimberg 4053e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4054e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4055e6631814SSagi Grimberg &size); 4056e6631814SSagi Grimberg if (err) { 4057e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4058e6631814SSagi Grimberg *bad_wr = wr; 4059e6631814SSagi Grimberg goto out; 4060e6631814SSagi Grimberg } 4061e6631814SSagi Grimberg 40626e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40636e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 4064e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4065e6631814SSagi Grimberg &idx, &size, nreq); 4066e6631814SSagi Grimberg if (err) { 4067e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4068e6631814SSagi Grimberg err = -ENOMEM; 4069e6631814SSagi Grimberg *bad_wr = wr; 4070e6631814SSagi Grimberg goto out; 4071e6631814SSagi Grimberg } 4072e6631814SSagi Grimberg 4073e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4074e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4075e6631814SSagi Grimberg &size); 4076e6631814SSagi Grimberg if (err) { 4077e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4078e6631814SSagi Grimberg *bad_wr = wr; 4079e6631814SSagi Grimberg goto out; 4080e6631814SSagi Grimberg } 4081e6631814SSagi Grimberg 40826e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40836e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 40846e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4085e6631814SSagi Grimberg num_sge = 0; 4086e6631814SSagi Grimberg goto skip_psv; 4087e6631814SSagi Grimberg 4088e126ba97SEli Cohen default: 4089e126ba97SEli Cohen break; 4090e126ba97SEli Cohen } 4091e126ba97SEli Cohen break; 4092e126ba97SEli Cohen 4093e126ba97SEli Cohen case IB_QPT_UC: 4094e126ba97SEli Cohen switch (wr->opcode) { 4095e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4096e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4097e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4098e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4099e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4100e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4101e126ba97SEli Cohen break; 4102e126ba97SEli Cohen 4103e126ba97SEli Cohen default: 4104e126ba97SEli Cohen break; 4105e126ba97SEli Cohen } 4106e126ba97SEli Cohen break; 4107e126ba97SEli Cohen 4108e126ba97SEli Cohen case IB_QPT_SMI: 41091e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 41101e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 41111e0e50b6SMaor Gottlieb err = -EPERM; 41121e0e50b6SMaor Gottlieb *bad_wr = wr; 41131e0e50b6SMaor Gottlieb goto out; 41141e0e50b6SMaor Gottlieb } 4115f6b1ee34SBart Van Assche /* fall through */ 4116d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4117e126ba97SEli Cohen set_datagram_seg(seg, wr); 4118e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4119e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4120e126ba97SEli Cohen if (unlikely((seg == qend))) 4121e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4122e126ba97SEli Cohen break; 4123f0313965SErez Shitrit case IB_QPT_UD: 4124f0313965SErez Shitrit set_datagram_seg(seg, wr); 4125f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4126f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4127e126ba97SEli Cohen 4128f0313965SErez Shitrit if (unlikely((seg == qend))) 4129f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4130f0313965SErez Shitrit 4131f0313965SErez Shitrit /* handle qp that supports ud offload */ 4132f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4133f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4134f0313965SErez Shitrit 4135f0313965SErez Shitrit pad = seg; 4136f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4137f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4138f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 4139f0313965SErez Shitrit 4140f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 4141f0313965SErez Shitrit 4142f0313965SErez Shitrit if (unlikely((seg == qend))) 4143f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4144f0313965SErez Shitrit } 4145f0313965SErez Shitrit break; 4146e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4147e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4148e126ba97SEli Cohen err = -EINVAL; 4149e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4150e126ba97SEli Cohen goto out; 4151e126ba97SEli Cohen } 4152e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4153e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4154578e7264SMaor Gottlieb set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4155e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4156e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4157e126ba97SEli Cohen if (unlikely((seg == qend))) 4158e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4159e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4160e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4161e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 4162e126ba97SEli Cohen if (unlikely((seg == qend))) 4163e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4164e126ba97SEli Cohen break; 4165e126ba97SEli Cohen 4166e126ba97SEli Cohen default: 4167e126ba97SEli Cohen break; 4168e126ba97SEli Cohen } 4169e126ba97SEli Cohen 4170e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 4171e126ba97SEli Cohen int uninitialized_var(sz); 4172e126ba97SEli Cohen 4173e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 4174e126ba97SEli Cohen if (unlikely(err)) { 4175e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4176e126ba97SEli Cohen *bad_wr = wr; 4177e126ba97SEli Cohen goto out; 4178e126ba97SEli Cohen } 4179e126ba97SEli Cohen size += sz; 4180e126ba97SEli Cohen } else { 4181e126ba97SEli Cohen dpseg = seg; 4182e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4183e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4184e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4185e126ba97SEli Cohen dpseg = seg; 4186e126ba97SEli Cohen } 4187e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4188e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4189e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4190e126ba97SEli Cohen dpseg++; 4191e126ba97SEli Cohen } 4192e126ba97SEli Cohen } 4193e126ba97SEli Cohen } 4194e126ba97SEli Cohen 41956e8484c5SMax Gurtovoy qp->next_fence = next_fence; 41966e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, 41976e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4198e6631814SSagi Grimberg skip_psv: 4199e126ba97SEli Cohen if (0) 4200e126ba97SEli Cohen dump_wqe(qp, idx, size); 4201e126ba97SEli Cohen } 4202e126ba97SEli Cohen 4203e126ba97SEli Cohen out: 4204e126ba97SEli Cohen if (likely(nreq)) { 4205e126ba97SEli Cohen qp->sq.head += nreq; 4206e126ba97SEli Cohen 4207e126ba97SEli Cohen /* Make sure that descriptors are written before 4208e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4209e126ba97SEli Cohen */ 4210e126ba97SEli Cohen wmb(); 4211e126ba97SEli Cohen 4212e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4213e126ba97SEli Cohen 4214ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4215ada388f7SEli Cohen * we hit doorbell */ 4216ada388f7SEli Cohen wmb(); 4217ada388f7SEli Cohen 42185fe9dec0SEli Cohen /* currently we support only regular doorbells */ 42195fe9dec0SEli Cohen mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); 4220e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4221e126ba97SEli Cohen * and reach the HCA out of order. 4222e126ba97SEli Cohen */ 4223e126ba97SEli Cohen mmiowb(); 4224e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4225e126ba97SEli Cohen } 4226e126ba97SEli Cohen 4227e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4228e126ba97SEli Cohen 4229e126ba97SEli Cohen return err; 4230e126ba97SEli Cohen } 4231e126ba97SEli Cohen 4232e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4233e126ba97SEli Cohen { 4234e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4235e126ba97SEli Cohen } 4236e126ba97SEli Cohen 4237e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4238e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4239e126ba97SEli Cohen { 4240e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4241e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4242e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 424389ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 424489ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4245e126ba97SEli Cohen unsigned long flags; 4246e126ba97SEli Cohen int err = 0; 4247e126ba97SEli Cohen int nreq; 4248e126ba97SEli Cohen int ind; 4249e126ba97SEli Cohen int i; 4250e126ba97SEli Cohen 4251d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4252d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4253d16e91daSHaggai Eran 4254e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4255e126ba97SEli Cohen 425689ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 425789ea94a7SMaor Gottlieb err = -EIO; 425889ea94a7SMaor Gottlieb *bad_wr = wr; 425989ea94a7SMaor Gottlieb nreq = 0; 426089ea94a7SMaor Gottlieb goto out; 426189ea94a7SMaor Gottlieb } 426289ea94a7SMaor Gottlieb 4263e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4264e126ba97SEli Cohen 4265e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4266e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4267e126ba97SEli Cohen err = -ENOMEM; 4268e126ba97SEli Cohen *bad_wr = wr; 4269e126ba97SEli Cohen goto out; 4270e126ba97SEli Cohen } 4271e126ba97SEli Cohen 4272e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4273e126ba97SEli Cohen err = -EINVAL; 4274e126ba97SEli Cohen *bad_wr = wr; 4275e126ba97SEli Cohen goto out; 4276e126ba97SEli Cohen } 4277e126ba97SEli Cohen 4278e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4279e126ba97SEli Cohen if (qp->wq_sig) 4280e126ba97SEli Cohen scat++; 4281e126ba97SEli Cohen 4282e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4283e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4284e126ba97SEli Cohen 4285e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4286e126ba97SEli Cohen scat[i].byte_count = 0; 4287e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4288e126ba97SEli Cohen scat[i].addr = 0; 4289e126ba97SEli Cohen } 4290e126ba97SEli Cohen 4291e126ba97SEli Cohen if (qp->wq_sig) { 4292e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4293e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4294e126ba97SEli Cohen } 4295e126ba97SEli Cohen 4296e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4297e126ba97SEli Cohen 4298e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4299e126ba97SEli Cohen } 4300e126ba97SEli Cohen 4301e126ba97SEli Cohen out: 4302e126ba97SEli Cohen if (likely(nreq)) { 4303e126ba97SEli Cohen qp->rq.head += nreq; 4304e126ba97SEli Cohen 4305e126ba97SEli Cohen /* Make sure that descriptors are written before 4306e126ba97SEli Cohen * doorbell record. 4307e126ba97SEli Cohen */ 4308e126ba97SEli Cohen wmb(); 4309e126ba97SEli Cohen 4310e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4311e126ba97SEli Cohen } 4312e126ba97SEli Cohen 4313e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4314e126ba97SEli Cohen 4315e126ba97SEli Cohen return err; 4316e126ba97SEli Cohen } 4317e126ba97SEli Cohen 4318e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4319e126ba97SEli Cohen { 4320e126ba97SEli Cohen switch (mlx5_state) { 4321e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4322e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4323e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4324e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4325e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4326e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4327e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4328e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4329e126ba97SEli Cohen default: return -1; 4330e126ba97SEli Cohen } 4331e126ba97SEli Cohen } 4332e126ba97SEli Cohen 4333e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4334e126ba97SEli Cohen { 4335e126ba97SEli Cohen switch (mlx5_mig_state) { 4336e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4337e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4338e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4339e126ba97SEli Cohen default: return -1; 4340e126ba97SEli Cohen } 4341e126ba97SEli Cohen } 4342e126ba97SEli Cohen 4343e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4344e126ba97SEli Cohen { 4345e126ba97SEli Cohen int ib_flags = 0; 4346e126ba97SEli Cohen 4347e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4348e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4349e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4350e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4351e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4352e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4353e126ba97SEli Cohen 4354e126ba97SEli Cohen return ib_flags; 4355e126ba97SEli Cohen } 4356e126ba97SEli Cohen 435738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 4358d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 4359e126ba97SEli Cohen struct mlx5_qp_path *path) 4360e126ba97SEli Cohen { 43619603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4362e126ba97SEli Cohen 4363d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4364e126ba97SEli Cohen 436544c58487SDasaratharaman Chandramouli ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 4366d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4367d8966fcdSDasaratharaman Chandramouli if (rdma_ah_get_port_num(ah_attr) == 0 || 4368d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(ah_attr) > MLX5_CAP_GEN(dev, num_ports)) 4369e126ba97SEli Cohen return; 4370e126ba97SEli Cohen 4371d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4372d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 4373e126ba97SEli Cohen 4374d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 4375d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 4376d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 4377d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 4378d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 4379d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 4380d8966fcdSDasaratharaman Chandramouli 4381d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 4382d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 4383d8966fcdSDasaratharaman Chandramouli path->mgid_index, 4384d8966fcdSDasaratharaman Chandramouli path->hop_limit, 4385d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 4386d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 4387e126ba97SEli Cohen } 4388e126ba97SEli Cohen } 4389e126ba97SEli Cohen 43906d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43916d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 43926d2f89dfSmajd@mellanox.com u8 *sq_state) 4393e126ba97SEli Cohen { 43946d2f89dfSmajd@mellanox.com void *out; 43956d2f89dfSmajd@mellanox.com void *sqc; 43966d2f89dfSmajd@mellanox.com int inlen; 43976d2f89dfSmajd@mellanox.com int err; 43986d2f89dfSmajd@mellanox.com 43996d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 44001b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 44016d2f89dfSmajd@mellanox.com if (!out) 44026d2f89dfSmajd@mellanox.com return -ENOMEM; 44036d2f89dfSmajd@mellanox.com 44046d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 44056d2f89dfSmajd@mellanox.com if (err) 44066d2f89dfSmajd@mellanox.com goto out; 44076d2f89dfSmajd@mellanox.com 44086d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 44096d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 44106d2f89dfSmajd@mellanox.com sq->state = *sq_state; 44116d2f89dfSmajd@mellanox.com 44126d2f89dfSmajd@mellanox.com out: 44136d2f89dfSmajd@mellanox.com kvfree(out); 44146d2f89dfSmajd@mellanox.com return err; 44156d2f89dfSmajd@mellanox.com } 44166d2f89dfSmajd@mellanox.com 44176d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 44186d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 44196d2f89dfSmajd@mellanox.com u8 *rq_state) 44206d2f89dfSmajd@mellanox.com { 44216d2f89dfSmajd@mellanox.com void *out; 44226d2f89dfSmajd@mellanox.com void *rqc; 44236d2f89dfSmajd@mellanox.com int inlen; 44246d2f89dfSmajd@mellanox.com int err; 44256d2f89dfSmajd@mellanox.com 44266d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 44271b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 44286d2f89dfSmajd@mellanox.com if (!out) 44296d2f89dfSmajd@mellanox.com return -ENOMEM; 44306d2f89dfSmajd@mellanox.com 44316d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 44326d2f89dfSmajd@mellanox.com if (err) 44336d2f89dfSmajd@mellanox.com goto out; 44346d2f89dfSmajd@mellanox.com 44356d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 44366d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 44376d2f89dfSmajd@mellanox.com rq->state = *rq_state; 44386d2f89dfSmajd@mellanox.com 44396d2f89dfSmajd@mellanox.com out: 44406d2f89dfSmajd@mellanox.com kvfree(out); 44416d2f89dfSmajd@mellanox.com return err; 44426d2f89dfSmajd@mellanox.com } 44436d2f89dfSmajd@mellanox.com 44446d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 44456d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 44466d2f89dfSmajd@mellanox.com { 44476d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 44486d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 44496d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44506d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44516d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 44526d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 44536d2f89dfSmajd@mellanox.com }, 44546d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 44556d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44566d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44576d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 44586d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 44596d2f89dfSmajd@mellanox.com }, 44606d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 44616d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44626d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44636d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 44646d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 44656d2f89dfSmajd@mellanox.com }, 44666d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 44676d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44686d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44696d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 44706d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 44716d2f89dfSmajd@mellanox.com }, 44726d2f89dfSmajd@mellanox.com }; 44736d2f89dfSmajd@mellanox.com 44746d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 44756d2f89dfSmajd@mellanox.com 44766d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 44776d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 44786d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 44796d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 44806d2f89dfSmajd@mellanox.com return -EINVAL; 44816d2f89dfSmajd@mellanox.com } 44826d2f89dfSmajd@mellanox.com 44836d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 44846d2f89dfSmajd@mellanox.com *qp_state = qp->state; 44856d2f89dfSmajd@mellanox.com 44866d2f89dfSmajd@mellanox.com return 0; 44876d2f89dfSmajd@mellanox.com } 44886d2f89dfSmajd@mellanox.com 44896d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 44906d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 44916d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 44926d2f89dfSmajd@mellanox.com { 44936d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 44946d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 44956d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 44966d2f89dfSmajd@mellanox.com int err; 44976d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44986d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44996d2f89dfSmajd@mellanox.com 45006d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 45016d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 45026d2f89dfSmajd@mellanox.com if (err) 45036d2f89dfSmajd@mellanox.com return err; 45046d2f89dfSmajd@mellanox.com } 45056d2f89dfSmajd@mellanox.com 45066d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 45076d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 45086d2f89dfSmajd@mellanox.com if (err) 45096d2f89dfSmajd@mellanox.com return err; 45106d2f89dfSmajd@mellanox.com } 45116d2f89dfSmajd@mellanox.com 45126d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 45136d2f89dfSmajd@mellanox.com raw_packet_qp_state); 45146d2f89dfSmajd@mellanox.com } 45156d2f89dfSmajd@mellanox.com 45166d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 45176d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 45186d2f89dfSmajd@mellanox.com { 451909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4520e126ba97SEli Cohen struct mlx5_qp_context *context; 4521e126ba97SEli Cohen int mlx5_state; 452209a7d9ecSSaeed Mahameed u32 *outb; 4523e126ba97SEli Cohen int err = 0; 4524e126ba97SEli Cohen 452509a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 45266d2f89dfSmajd@mellanox.com if (!outb) 45276d2f89dfSmajd@mellanox.com return -ENOMEM; 45286d2f89dfSmajd@mellanox.com 452919098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 453009a7d9ecSSaeed Mahameed outlen); 4531e126ba97SEli Cohen if (err) 45326d2f89dfSmajd@mellanox.com goto out; 4533e126ba97SEli Cohen 453409a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 453509a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 453609a7d9ecSSaeed Mahameed 4537e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4538e126ba97SEli Cohen 4539e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4540e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4541e126ba97SEli Cohen qp_attr->path_mig_state = 4542e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4543e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4544e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4545e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4546e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4547e126ba97SEli Cohen qp_attr->qp_access_flags = 4548e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4549e126ba97SEli Cohen 4550e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 455138349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 455238349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4553d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4554d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4555d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 4556d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 4557e126ba97SEli Cohen } 4558e126ba97SEli Cohen 4559d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4560e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4561e126ba97SEli Cohen 4562e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4563e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4564e126ba97SEli Cohen 4565e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4566e126ba97SEli Cohen 4567e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4568e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4569e126ba97SEli Cohen qp_attr->min_rnr_timer = 4570e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4571e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4572e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4573e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4574e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 45756d2f89dfSmajd@mellanox.com 45766d2f89dfSmajd@mellanox.com out: 45776d2f89dfSmajd@mellanox.com kfree(outb); 45786d2f89dfSmajd@mellanox.com return err; 45796d2f89dfSmajd@mellanox.com } 45806d2f89dfSmajd@mellanox.com 45816d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 45826d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 45836d2f89dfSmajd@mellanox.com { 45846d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 45856d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 45866d2f89dfSmajd@mellanox.com int err = 0; 45876d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 45886d2f89dfSmajd@mellanox.com 458928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 459028d61370SYishai Hadas return -ENOSYS; 459128d61370SYishai Hadas 4592d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4593d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4594d16e91daSHaggai Eran qp_init_attr); 4595d16e91daSHaggai Eran 4596c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4597c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4598c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4599c2e53b2cSYishai Hadas 46006d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 46016d2f89dfSmajd@mellanox.com 4602c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 4603c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 46046d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 46056d2f89dfSmajd@mellanox.com if (err) 46066d2f89dfSmajd@mellanox.com goto out; 46076d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 46086d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 46096d2f89dfSmajd@mellanox.com } else { 46106d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 46116d2f89dfSmajd@mellanox.com if (err) 46126d2f89dfSmajd@mellanox.com goto out; 46136d2f89dfSmajd@mellanox.com } 46146d2f89dfSmajd@mellanox.com 46156d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4616e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4617e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4618e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4619e126ba97SEli Cohen 4620e126ba97SEli Cohen if (!ibqp->uobject) { 46210540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4622e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 46230540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4624e126ba97SEli Cohen } else { 4625e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4626e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4627e126ba97SEli Cohen } 4628e126ba97SEli Cohen 46290540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46300540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46310540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46320540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46330540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4634e126ba97SEli Cohen 4635e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4636e126ba97SEli Cohen 4637e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4638e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4639e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4640e126ba97SEli Cohen 4641051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4642051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4643051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4644051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4645051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4646051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4647b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4648b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4649051f2630SLeon Romanovsky 4650e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4651e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4652e126ba97SEli Cohen 4653e126ba97SEli Cohen out: 4654e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4655e126ba97SEli Cohen return err; 4656e126ba97SEli Cohen } 4657e126ba97SEli Cohen 4658e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4659e126ba97SEli Cohen struct ib_ucontext *context, 4660e126ba97SEli Cohen struct ib_udata *udata) 4661e126ba97SEli Cohen { 4662e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4663e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4664e126ba97SEli Cohen int err; 4665e126ba97SEli Cohen 4666938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4667e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4668e126ba97SEli Cohen 4669e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4670e126ba97SEli Cohen if (!xrcd) 4671e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4672e126ba97SEli Cohen 46739603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4674e126ba97SEli Cohen if (err) { 4675e126ba97SEli Cohen kfree(xrcd); 4676e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4677e126ba97SEli Cohen } 4678e126ba97SEli Cohen 4679e126ba97SEli Cohen return &xrcd->ibxrcd; 4680e126ba97SEli Cohen } 4681e126ba97SEli Cohen 4682e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4683e126ba97SEli Cohen { 4684e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4685e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4686e126ba97SEli Cohen int err; 4687e126ba97SEli Cohen 46889603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4689e126ba97SEli Cohen if (err) { 4690e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4691e126ba97SEli Cohen return err; 4692e126ba97SEli Cohen } 4693e126ba97SEli Cohen 4694e126ba97SEli Cohen kfree(xrcd); 4695e126ba97SEli Cohen 4696e126ba97SEli Cohen return 0; 4697e126ba97SEli Cohen } 469879b20a6cSYishai Hadas 4699350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4700350d0e4cSYishai Hadas { 4701350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4702350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4703350d0e4cSYishai Hadas struct ib_event event; 4704350d0e4cSYishai Hadas 4705350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4706350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4707350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4708350d0e4cSYishai Hadas switch (type) { 4709350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4710350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4711350d0e4cSYishai Hadas break; 4712350d0e4cSYishai Hadas default: 4713350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4714350d0e4cSYishai Hadas return; 4715350d0e4cSYishai Hadas } 4716350d0e4cSYishai Hadas 4717350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4718350d0e4cSYishai Hadas } 4719350d0e4cSYishai Hadas } 4720350d0e4cSYishai Hadas 472103404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 472203404e8aSMaor Gottlieb { 472303404e8aSMaor Gottlieb int err = 0; 472403404e8aSMaor Gottlieb 472503404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 472603404e8aSMaor Gottlieb if (dev->delay_drop.activate) 472703404e8aSMaor Gottlieb goto out; 472803404e8aSMaor Gottlieb 472903404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 473003404e8aSMaor Gottlieb if (err) 473103404e8aSMaor Gottlieb goto out; 473203404e8aSMaor Gottlieb 473303404e8aSMaor Gottlieb dev->delay_drop.activate = true; 473403404e8aSMaor Gottlieb out: 473503404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4736fe248c3aSMaor Gottlieb 4737fe248c3aSMaor Gottlieb if (!err) 4738fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 473903404e8aSMaor Gottlieb return err; 474003404e8aSMaor Gottlieb } 474103404e8aSMaor Gottlieb 474279b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 474379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 474479b20a6cSYishai Hadas { 474579b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 47464be6da1eSNoa Osherovich int has_net_offloads; 474779b20a6cSYishai Hadas __be64 *rq_pas0; 474879b20a6cSYishai Hadas void *in; 474979b20a6cSYishai Hadas void *rqc; 475079b20a6cSYishai Hadas void *wq; 475179b20a6cSYishai Hadas int inlen; 475279b20a6cSYishai Hadas int err; 475379b20a6cSYishai Hadas 475479b20a6cSYishai Hadas dev = to_mdev(pd->device); 475579b20a6cSYishai Hadas 475679b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 47571b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 475879b20a6cSYishai Hadas if (!in) 475979b20a6cSYishai Hadas return -ENOMEM; 476079b20a6cSYishai Hadas 476179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 476279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 476379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 476479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 476579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 476679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 476779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 476879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4769ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4770ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4771ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4772b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4773b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4774b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4775b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4776b1383aa6SNoa Osherovich goto out; 4777b1383aa6SNoa Osherovich } else { 477879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4779b1383aa6SNoa Osherovich } 4780b1383aa6SNoa Osherovich } 478179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4782ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4783ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4784ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4785ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4786ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4787ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 4788ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 4789ccc87087SNoa Osherovich } 479079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 479179b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 479279b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 479379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 479479b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 479579b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 47964be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4797b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 47984be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4799b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4800b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4801b1f74a84SNoa Osherovich goto out; 4802b1f74a84SNoa Osherovich } 4803b1f74a84SNoa Osherovich } else { 4804b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4805b1f74a84SNoa Osherovich } 48064be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 48074be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 48084be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 48094be6da1eSNoa Osherovich err = -EOPNOTSUPP; 48104be6da1eSNoa Osherovich goto out; 48114be6da1eSNoa Osherovich } 48124be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 48134be6da1eSNoa Osherovich } 481403404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 481503404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 481603404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 481703404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 481803404e8aSMaor Gottlieb err = -EOPNOTSUPP; 481903404e8aSMaor Gottlieb goto out; 482003404e8aSMaor Gottlieb } 482103404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 482203404e8aSMaor Gottlieb } 482379b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 482479b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4825350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 482603404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 482703404e8aSMaor Gottlieb err = set_delay_drop(dev); 482803404e8aSMaor Gottlieb if (err) { 482903404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 483003404e8aSMaor Gottlieb err); 483103404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 483203404e8aSMaor Gottlieb } else { 483303404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 483403404e8aSMaor Gottlieb } 483503404e8aSMaor Gottlieb } 4836b1f74a84SNoa Osherovich out: 483779b20a6cSYishai Hadas kvfree(in); 483879b20a6cSYishai Hadas return err; 483979b20a6cSYishai Hadas } 484079b20a6cSYishai Hadas 484179b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 484279b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 484379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 484479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 484579b20a6cSYishai Hadas { 484679b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 484779b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 484879b20a6cSYishai Hadas return -EINVAL; 484979b20a6cSYishai Hadas 485079b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 485179b20a6cSYishai Hadas return -EINVAL; 485279b20a6cSYishai Hadas 485379b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 485479b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 485579b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 485679b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 485779b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 485879b20a6cSYishai Hadas return 0; 485979b20a6cSYishai Hadas } 486079b20a6cSYishai Hadas 486179b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 486279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 486379b20a6cSYishai Hadas struct ib_udata *udata, 486479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 486579b20a6cSYishai Hadas { 486679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 486779b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 486879b20a6cSYishai Hadas int err; 486979b20a6cSYishai Hadas size_t required_cmd_sz; 487079b20a6cSYishai Hadas 4871ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 4872ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 487379b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 487479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 487579b20a6cSYishai Hadas return -EINVAL; 487679b20a6cSYishai Hadas } 487779b20a6cSYishai Hadas 487879b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 487979b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 488079b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 488179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 488279b20a6cSYishai Hadas return -EOPNOTSUPP; 488379b20a6cSYishai Hadas } 488479b20a6cSYishai Hadas 488579b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 488679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 488779b20a6cSYishai Hadas return -EFAULT; 488879b20a6cSYishai Hadas } 488979b20a6cSYishai Hadas 4890ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 489179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 489279b20a6cSYishai Hadas return -EOPNOTSUPP; 4893ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 4894ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 4895ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 489679b20a6cSYishai Hadas return -EOPNOTSUPP; 489779b20a6cSYishai Hadas } 4898ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 4899ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 4900ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 4901ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 4902ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 4903ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 4904ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 4905ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 4906ccc87087SNoa Osherovich return -EINVAL; 4907ccc87087SNoa Osherovich } 4908ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 4909ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 4910ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 4911ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 4912ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 4913ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 4914ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 4915ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 4916ccc87087SNoa Osherovich return -EINVAL; 4917ccc87087SNoa Osherovich } 4918ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 4919ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 4920ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 4921ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 4922ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 4923ccc87087SNoa Osherovich } 492479b20a6cSYishai Hadas 492579b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 492679b20a6cSYishai Hadas if (err) { 492779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 492879b20a6cSYishai Hadas return err; 492979b20a6cSYishai Hadas } 493079b20a6cSYishai Hadas 493179b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 493279b20a6cSYishai Hadas if (err) { 493379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 493479b20a6cSYishai Hadas if (err) 493579b20a6cSYishai Hadas return err; 493679b20a6cSYishai Hadas } 493779b20a6cSYishai Hadas 493879b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 493979b20a6cSYishai Hadas return 0; 494079b20a6cSYishai Hadas } 494179b20a6cSYishai Hadas 494279b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 494379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 494479b20a6cSYishai Hadas struct ib_udata *udata) 494579b20a6cSYishai Hadas { 494679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 494779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 494879b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 494979b20a6cSYishai Hadas size_t min_resp_len; 495079b20a6cSYishai Hadas int err; 495179b20a6cSYishai Hadas 495279b20a6cSYishai Hadas if (!udata) 495379b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 495479b20a6cSYishai Hadas 495579b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 495679b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 495779b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 495879b20a6cSYishai Hadas 495979b20a6cSYishai Hadas dev = to_mdev(pd->device); 496079b20a6cSYishai Hadas switch (init_attr->wq_type) { 496179b20a6cSYishai Hadas case IB_WQT_RQ: 496279b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 496379b20a6cSYishai Hadas if (!rwq) 496479b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 496579b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 496679b20a6cSYishai Hadas if (err) 496779b20a6cSYishai Hadas goto err; 496879b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 496979b20a6cSYishai Hadas if (err) 497079b20a6cSYishai Hadas goto err_user_rq; 497179b20a6cSYishai Hadas break; 497279b20a6cSYishai Hadas default: 497379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 497479b20a6cSYishai Hadas init_attr->wq_type); 497579b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 497679b20a6cSYishai Hadas } 497779b20a6cSYishai Hadas 4978350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 497979b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 498079b20a6cSYishai Hadas if (udata->outlen) { 498179b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 498279b20a6cSYishai Hadas sizeof(resp.response_length); 498379b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 498479b20a6cSYishai Hadas if (err) 498579b20a6cSYishai Hadas goto err_copy; 498679b20a6cSYishai Hadas } 498779b20a6cSYishai Hadas 4988350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 4989350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 499079b20a6cSYishai Hadas return &rwq->ibwq; 499179b20a6cSYishai Hadas 499279b20a6cSYishai Hadas err_copy: 4993350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 499479b20a6cSYishai Hadas err_user_rq: 4995fe248c3aSMaor Gottlieb destroy_user_rq(dev, pd, rwq); 499679b20a6cSYishai Hadas err: 499779b20a6cSYishai Hadas kfree(rwq); 499879b20a6cSYishai Hadas return ERR_PTR(err); 499979b20a6cSYishai Hadas } 500079b20a6cSYishai Hadas 500179b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 500279b20a6cSYishai Hadas { 500379b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 500479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 500579b20a6cSYishai Hadas 5006350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 5007fe248c3aSMaor Gottlieb destroy_user_rq(dev, wq->pd, rwq); 500879b20a6cSYishai Hadas kfree(rwq); 500979b20a6cSYishai Hadas 501079b20a6cSYishai Hadas return 0; 501179b20a6cSYishai Hadas } 501279b20a6cSYishai Hadas 5013c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 5014c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5015c5f90929SYishai Hadas struct ib_udata *udata) 5016c5f90929SYishai Hadas { 5017c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5018c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5019c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5020c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5021c5f90929SYishai Hadas size_t min_resp_len; 5022c5f90929SYishai Hadas int inlen; 5023c5f90929SYishai Hadas int err; 5024c5f90929SYishai Hadas int i; 5025c5f90929SYishai Hadas u32 *in; 5026c5f90929SYishai Hadas void *rqtc; 5027c5f90929SYishai Hadas 5028c5f90929SYishai Hadas if (udata->inlen > 0 && 5029c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5030c5f90929SYishai Hadas udata->inlen)) 5031c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5032c5f90929SYishai Hadas 5033efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5034efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5035efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5036efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5037efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5038efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5039efd7f400SMaor Gottlieb } 5040efd7f400SMaor Gottlieb 5041c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5042c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5043c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5044c5f90929SYishai Hadas 5045c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5046c5f90929SYishai Hadas if (!rwq_ind_tbl) 5047c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5048c5f90929SYishai Hadas 5049c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 50501b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5051c5f90929SYishai Hadas if (!in) { 5052c5f90929SYishai Hadas err = -ENOMEM; 5053c5f90929SYishai Hadas goto err; 5054c5f90929SYishai Hadas } 5055c5f90929SYishai Hadas 5056c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5057c5f90929SYishai Hadas 5058c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5059c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5060c5f90929SYishai Hadas 5061c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5062c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5063c5f90929SYishai Hadas 5064c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5065c5f90929SYishai Hadas kvfree(in); 5066c5f90929SYishai Hadas 5067c5f90929SYishai Hadas if (err) 5068c5f90929SYishai Hadas goto err; 5069c5f90929SYishai Hadas 5070c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5071c5f90929SYishai Hadas if (udata->outlen) { 5072c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5073c5f90929SYishai Hadas sizeof(resp.response_length); 5074c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5075c5f90929SYishai Hadas if (err) 5076c5f90929SYishai Hadas goto err_copy; 5077c5f90929SYishai Hadas } 5078c5f90929SYishai Hadas 5079c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5080c5f90929SYishai Hadas 5081c5f90929SYishai Hadas err_copy: 5082c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5083c5f90929SYishai Hadas err: 5084c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5085c5f90929SYishai Hadas return ERR_PTR(err); 5086c5f90929SYishai Hadas } 5087c5f90929SYishai Hadas 5088c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5089c5f90929SYishai Hadas { 5090c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5091c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5092c5f90929SYishai Hadas 5093c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5094c5f90929SYishai Hadas 5095c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5096c5f90929SYishai Hadas return 0; 5097c5f90929SYishai Hadas } 5098c5f90929SYishai Hadas 509979b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 510079b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 510179b20a6cSYishai Hadas { 510279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 510379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 510479b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 510579b20a6cSYishai Hadas size_t required_cmd_sz; 510679b20a6cSYishai Hadas int curr_wq_state; 510779b20a6cSYishai Hadas int wq_state; 510879b20a6cSYishai Hadas int inlen; 510979b20a6cSYishai Hadas int err; 511079b20a6cSYishai Hadas void *rqc; 511179b20a6cSYishai Hadas void *in; 511279b20a6cSYishai Hadas 511379b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 511479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 511579b20a6cSYishai Hadas return -EINVAL; 511679b20a6cSYishai Hadas 511779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 511879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 511979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 512079b20a6cSYishai Hadas return -EOPNOTSUPP; 512179b20a6cSYishai Hadas 512279b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 512379b20a6cSYishai Hadas return -EFAULT; 512479b20a6cSYishai Hadas 512579b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 512679b20a6cSYishai Hadas return -EOPNOTSUPP; 512779b20a6cSYishai Hadas 512879b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 51291b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 513079b20a6cSYishai Hadas if (!in) 513179b20a6cSYishai Hadas return -ENOMEM; 513279b20a6cSYishai Hadas 513379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 513479b20a6cSYishai Hadas 513579b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 513679b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 513779b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 513879b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 513979b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 514079b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 514179b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 514279b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 514379b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 514479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 514579b20a6cSYishai Hadas 5146b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5147b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5148b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5149b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5150b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5151b1f74a84SNoa Osherovich "supported\n"); 5152b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5153b1f74a84SNoa Osherovich goto out; 5154b1f74a84SNoa Osherovich } 5155b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5156b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5157b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5158b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5159b1f74a84SNoa Osherovich } 5160b1383aa6SNoa Osherovich 5161b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5162b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5163b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5164b1383aa6SNoa Osherovich goto out; 5165b1383aa6SNoa Osherovich } 5166b1f74a84SNoa Osherovich } 5167b1f74a84SNoa Osherovich 516823a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 516923a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 517023a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 517123a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 5172e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 5173e1f24a79SParav Pandit dev->port->cnts.set_id); 517423a6964eSMajd Dibbiny } else 517523a6964eSMajd Dibbiny pr_info_once("%s: Receive WQ counters are not supported on current FW\n", 517623a6964eSMajd Dibbiny dev->ib_dev.name); 517723a6964eSMajd Dibbiny } 517823a6964eSMajd Dibbiny 5179350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 518079b20a6cSYishai Hadas if (!err) 518179b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 518279b20a6cSYishai Hadas 5183b1f74a84SNoa Osherovich out: 5184b1f74a84SNoa Osherovich kvfree(in); 518579b20a6cSYishai Hadas return err; 518679b20a6cSYishai Hadas } 5187