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 { 49631a78a5aSYishai Hadas return get_num_static_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 5844ed131d0SYishai Hadas void mlx5_ib_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, 6301ee47ab3SYishai Hadas struct mlx5_bfreg_info *bfregi, int bfregn, 6311ee47ab3SYishai Hadas bool dyn_bfreg) 632e126ba97SEli Cohen { 633b037c29aSEli Cohen int bfregs_per_sys_page; 634b037c29aSEli Cohen int index_of_sys_page; 635b037c29aSEli Cohen int offset; 636b037c29aSEli Cohen 637b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 638b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 639b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 640b037c29aSEli Cohen 6411ee47ab3SYishai Hadas if (dyn_bfreg) { 6421ee47ab3SYishai Hadas index_of_sys_page += bfregi->num_static_sys_pages; 6431ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 6441ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 6451ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 6461ee47ab3SYishai Hadas return -EINVAL; 6471ee47ab3SYishai Hadas } 6481ee47ab3SYishai Hadas } 649b037c29aSEli Cohen 6501ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 651b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 652e126ba97SEli Cohen } 653e126ba97SEli Cohen 65419098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 65519098df2Smajd@mellanox.com struct ib_pd *pd, 65619098df2Smajd@mellanox.com unsigned long addr, size_t size, 65719098df2Smajd@mellanox.com struct ib_umem **umem, 65819098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 65919098df2Smajd@mellanox.com u32 *offset) 66019098df2Smajd@mellanox.com { 66119098df2Smajd@mellanox.com int err; 66219098df2Smajd@mellanox.com 66319098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 66419098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 66519098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 66619098df2Smajd@mellanox.com return PTR_ERR(*umem); 66719098df2Smajd@mellanox.com } 66819098df2Smajd@mellanox.com 669762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 67019098df2Smajd@mellanox.com 67119098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 67219098df2Smajd@mellanox.com if (err) { 67319098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 67419098df2Smajd@mellanox.com goto err_umem; 67519098df2Smajd@mellanox.com } 67619098df2Smajd@mellanox.com 67719098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 67819098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 67919098df2Smajd@mellanox.com 68019098df2Smajd@mellanox.com return 0; 68119098df2Smajd@mellanox.com 68219098df2Smajd@mellanox.com err_umem: 68319098df2Smajd@mellanox.com ib_umem_release(*umem); 68419098df2Smajd@mellanox.com *umem = NULL; 68519098df2Smajd@mellanox.com 68619098df2Smajd@mellanox.com return err; 68719098df2Smajd@mellanox.com } 68819098df2Smajd@mellanox.com 689fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 690fe248c3aSMaor Gottlieb struct mlx5_ib_rwq *rwq) 69179b20a6cSYishai Hadas { 69279b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 69379b20a6cSYishai Hadas 694fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 695fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 696fe248c3aSMaor Gottlieb 69779b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 69879b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 69979b20a6cSYishai Hadas if (rwq->umem) 70079b20a6cSYishai Hadas ib_umem_release(rwq->umem); 70179b20a6cSYishai Hadas } 70279b20a6cSYishai Hadas 70379b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 70479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 70579b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 70679b20a6cSYishai Hadas { 70779b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 70879b20a6cSYishai Hadas int page_shift = 0; 70979b20a6cSYishai Hadas int npages; 71079b20a6cSYishai Hadas u32 offset = 0; 71179b20a6cSYishai Hadas int ncont = 0; 71279b20a6cSYishai Hadas int err; 71379b20a6cSYishai Hadas 71479b20a6cSYishai Hadas if (!ucmd->buf_addr) 71579b20a6cSYishai Hadas return -EINVAL; 71679b20a6cSYishai Hadas 71779b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 71879b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 71979b20a6cSYishai Hadas rwq->buf_size, 0, 0); 72079b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 72179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 72279b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 72379b20a6cSYishai Hadas return err; 72479b20a6cSYishai Hadas } 72579b20a6cSYishai Hadas 726762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 72779b20a6cSYishai Hadas &ncont, NULL); 72879b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 72979b20a6cSYishai Hadas &rwq->rq_page_offset); 73079b20a6cSYishai Hadas if (err) { 73179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 73279b20a6cSYishai Hadas goto err_umem; 73379b20a6cSYishai Hadas } 73479b20a6cSYishai Hadas 73579b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 73679b20a6cSYishai Hadas rwq->page_shift = page_shift; 73779b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 73879b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 73979b20a6cSYishai Hadas 74079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 74179b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 74279b20a6cSYishai Hadas npages, page_shift, ncont, offset); 74379b20a6cSYishai Hadas 74479b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 74579b20a6cSYishai Hadas if (err) { 74679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 74779b20a6cSYishai Hadas goto err_umem; 74879b20a6cSYishai Hadas } 74979b20a6cSYishai Hadas 75079b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 75179b20a6cSYishai Hadas return 0; 75279b20a6cSYishai Hadas 75379b20a6cSYishai Hadas err_umem: 75479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 75579b20a6cSYishai Hadas return err; 75679b20a6cSYishai Hadas } 75779b20a6cSYishai Hadas 758b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 759b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 760b037c29aSEli Cohen { 761b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 762b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 763b037c29aSEli Cohen } 764b037c29aSEli Cohen 765e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 766e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7670fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 76809a7d9ecSSaeed Mahameed u32 **in, 76919098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 77019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 771e126ba97SEli Cohen { 772e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 773e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 77419098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7759e9c47d0SEli Cohen int page_shift = 0; 7761ee47ab3SYishai Hadas int uar_index = 0; 777e126ba97SEli Cohen int npages; 7789e9c47d0SEli Cohen u32 offset = 0; 7792f5ff264SEli Cohen int bfregn; 7809e9c47d0SEli Cohen int ncont = 0; 78109a7d9ecSSaeed Mahameed __be64 *pas; 78209a7d9ecSSaeed Mahameed void *qpc; 783e126ba97SEli Cohen int err; 784e126ba97SEli Cohen 785e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 786e126ba97SEli Cohen if (err) { 787e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 788e126ba97SEli Cohen return err; 789e126ba97SEli Cohen } 790e126ba97SEli Cohen 791e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 7921ee47ab3SYishai Hadas if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { 7931ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 7941ee47ab3SYishai Hadas ucmd.bfreg_index, true); 7951ee47ab3SYishai Hadas if (uar_index < 0) 7961ee47ab3SYishai Hadas return uar_index; 7971ee47ab3SYishai Hadas 7981ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 7991ee47ab3SYishai Hadas } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { 800e126ba97SEli Cohen /* 801e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 802e126ba97SEli Cohen */ 803051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 8042f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 8051ee47ab3SYishai Hadas } 806051f2630SLeon Romanovsky else { 807b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_HIGH); 8082f5ff264SEli Cohen if (bfregn < 0) { 8092f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency BFREG\n"); 810c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 811b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_MEDIUM); 8122f5ff264SEli Cohen if (bfregn < 0) { 8132f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency BFREG\n"); 814e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 815b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_LOW); 8162f5ff264SEli Cohen if (bfregn < 0) { 8172f5ff264SEli Cohen mlx5_ib_warn(dev, "bfreg allocation failed\n"); 8182f5ff264SEli Cohen return bfregn; 819e126ba97SEli Cohen } 820e126ba97SEli Cohen } 821c1be5232SEli Cohen } 822051f2630SLeon Romanovsky } 823e126ba97SEli Cohen 8242f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 8251ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 8261ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 8271ee47ab3SYishai Hadas false); 828e126ba97SEli Cohen 82948fea837SHaggai Eran qp->rq.offset = 0; 83048fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 83148fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 83248fea837SHaggai Eran 8330fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 834e126ba97SEli Cohen if (err) 8352f5ff264SEli Cohen goto err_bfreg; 836e126ba97SEli Cohen 83719098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 83819098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 83919098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 84019098df2Smajd@mellanox.com ubuffer->buf_size, 84119098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 84219098df2Smajd@mellanox.com &ncont, &offset); 84319098df2Smajd@mellanox.com if (err) 8442f5ff264SEli Cohen goto err_bfreg; 8459e9c47d0SEli Cohen } else { 84619098df2Smajd@mellanox.com ubuffer->umem = NULL; 8479e9c47d0SEli Cohen } 848e126ba97SEli Cohen 84909a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 85009a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 8511b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 852e126ba97SEli Cohen if (!*in) { 853e126ba97SEli Cohen err = -ENOMEM; 854e126ba97SEli Cohen goto err_umem; 855e126ba97SEli Cohen } 856e126ba97SEli Cohen 85709a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 85809a7d9ecSSaeed Mahameed if (ubuffer->umem) 85909a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 86009a7d9ecSSaeed Mahameed 86109a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 86209a7d9ecSSaeed Mahameed 86309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 86409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 86509a7d9ecSSaeed Mahameed 86609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 8671ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 868b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 8691ee47ab3SYishai Hadas else 8701ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 8712f5ff264SEli Cohen qp->bfregn = bfregn; 872e126ba97SEli Cohen 873e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 874e126ba97SEli Cohen if (err) { 875e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 876e126ba97SEli Cohen goto err_free; 877e126ba97SEli Cohen } 878e126ba97SEli Cohen 879e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 880e126ba97SEli Cohen if (err) { 881e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 882e126ba97SEli Cohen goto err_unmap; 883e126ba97SEli Cohen } 884e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 885e126ba97SEli Cohen 886e126ba97SEli Cohen return 0; 887e126ba97SEli Cohen 888e126ba97SEli Cohen err_unmap: 889e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 890e126ba97SEli Cohen 891e126ba97SEli Cohen err_free: 892479163f4SAl Viro kvfree(*in); 893e126ba97SEli Cohen 894e126ba97SEli Cohen err_umem: 89519098df2Smajd@mellanox.com if (ubuffer->umem) 89619098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 897e126ba97SEli Cohen 8982f5ff264SEli Cohen err_bfreg: 8991ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9004ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 901e126ba97SEli Cohen return err; 902e126ba97SEli Cohen } 903e126ba97SEli Cohen 904b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 905b037c29aSEli Cohen struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) 906e126ba97SEli Cohen { 907e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 908e126ba97SEli Cohen 909e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 910e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 91119098df2Smajd@mellanox.com if (base->ubuffer.umem) 91219098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 9131ee47ab3SYishai Hadas 9141ee47ab3SYishai Hadas /* 9151ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 9161ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 9171ee47ab3SYishai Hadas */ 9181ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 9194ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 920e126ba97SEli Cohen } 921e126ba97SEli Cohen 922e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 923e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 924e126ba97SEli Cohen struct mlx5_ib_qp *qp, 92509a7d9ecSSaeed Mahameed u32 **in, int *inlen, 92619098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 927e126ba97SEli Cohen { 928e126ba97SEli Cohen int uar_index; 92909a7d9ecSSaeed Mahameed void *qpc; 930e126ba97SEli Cohen int err; 931e126ba97SEli Cohen 932f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 933f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 934b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 93593d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 936b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9371a4c3a3dSEli Cohen return -EINVAL; 938e126ba97SEli Cohen 939e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 9405fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 9415fe9dec0SEli Cohen else 9425fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 943e126ba97SEli Cohen 944d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 945d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 946d8030b0dSEli Cohen */ 947d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 9485fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 949e126ba97SEli Cohen 950e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 951e126ba97SEli Cohen if (err < 0) { 952e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9535fe9dec0SEli Cohen return err; 954e126ba97SEli Cohen } 955e126ba97SEli Cohen 956e126ba97SEli Cohen qp->rq.offset = 0; 957e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 95819098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 959e126ba97SEli Cohen 96019098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 961e126ba97SEli Cohen if (err) { 962e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9635fe9dec0SEli Cohen return err; 964e126ba97SEli Cohen } 965e126ba97SEli Cohen 966e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 96709a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 96809a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 9691b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 970e126ba97SEli Cohen if (!*in) { 971e126ba97SEli Cohen err = -ENOMEM; 972e126ba97SEli Cohen goto err_buf; 973e126ba97SEli Cohen } 97409a7d9ecSSaeed Mahameed 97509a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 97609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 97709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 97809a7d9ecSSaeed Mahameed 979e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 98009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 98109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 982e126ba97SEli Cohen 983b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 98409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 985b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 986b11a4f9cSHaggai Eran } 987b11a4f9cSHaggai Eran 98809a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 98909a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 990e126ba97SEli Cohen 9919603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 992e126ba97SEli Cohen if (err) { 993e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 994e126ba97SEli Cohen goto err_free; 995e126ba97SEli Cohen } 996e126ba97SEli Cohen 997b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 998b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 999b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1000b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1001b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1002b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1003b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1004b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1005b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1006b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1007e126ba97SEli Cohen 1008e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1009e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1010e126ba97SEli Cohen err = -ENOMEM; 1011e126ba97SEli Cohen goto err_wrid; 1012e126ba97SEli Cohen } 1013e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1014e126ba97SEli Cohen 1015e126ba97SEli Cohen return 0; 1016e126ba97SEli Cohen 1017e126ba97SEli Cohen err_wrid: 1018b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1019b5883008SLi Dongyang kvfree(qp->sq.w_list); 1020b5883008SLi Dongyang kvfree(qp->sq.wrid); 1021b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1022b5883008SLi Dongyang kvfree(qp->rq.wrid); 1023f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1024e126ba97SEli Cohen 1025e126ba97SEli Cohen err_free: 1026479163f4SAl Viro kvfree(*in); 1027e126ba97SEli Cohen 1028e126ba97SEli Cohen err_buf: 10299603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1030e126ba97SEli Cohen return err; 1031e126ba97SEli Cohen } 1032e126ba97SEli Cohen 1033e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1034e126ba97SEli Cohen { 1035b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1036b5883008SLi Dongyang kvfree(qp->sq.w_list); 1037b5883008SLi Dongyang kvfree(qp->sq.wrid); 1038b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1039b5883008SLi Dongyang kvfree(qp->rq.wrid); 1040f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 10419603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1042e126ba97SEli Cohen } 1043e126ba97SEli Cohen 104409a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1045e126ba97SEli Cohen { 1046e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1047e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 104809a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1049e126ba97SEli Cohen else if (!qp->has_rq) 105009a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1051e126ba97SEli Cohen else 105209a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1053e126ba97SEli Cohen } 1054e126ba97SEli Cohen 1055e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1056e126ba97SEli Cohen { 1057e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1058e126ba97SEli Cohen return 1; 1059e126ba97SEli Cohen 1060e126ba97SEli Cohen return 0; 1061e126ba97SEli Cohen } 1062e126ba97SEli Cohen 10630fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1064c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 10650fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10660fb2ed66Smajd@mellanox.com { 1067c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10680fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10690fb2ed66Smajd@mellanox.com 10700fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1071c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1072c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1073c2e53b2cSYishai Hadas 10740fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10750fb2ed66Smajd@mellanox.com } 10760fb2ed66Smajd@mellanox.com 10770fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10780fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10790fb2ed66Smajd@mellanox.com { 10800fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10810fb2ed66Smajd@mellanox.com } 10820fb2ed66Smajd@mellanox.com 10830fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10840fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10850fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10860fb2ed66Smajd@mellanox.com { 10870fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10880fb2ed66Smajd@mellanox.com __be64 *pas; 10890fb2ed66Smajd@mellanox.com void *in; 10900fb2ed66Smajd@mellanox.com void *sqc; 10910fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10920fb2ed66Smajd@mellanox.com void *wq; 10930fb2ed66Smajd@mellanox.com int inlen; 10940fb2ed66Smajd@mellanox.com int err; 10950fb2ed66Smajd@mellanox.com int page_shift = 0; 10960fb2ed66Smajd@mellanox.com int npages; 10970fb2ed66Smajd@mellanox.com int ncont = 0; 10980fb2ed66Smajd@mellanox.com u32 offset = 0; 10990fb2ed66Smajd@mellanox.com 11000fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 11010fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 11020fb2ed66Smajd@mellanox.com &ncont, &offset); 11030fb2ed66Smajd@mellanox.com if (err) 11040fb2ed66Smajd@mellanox.com return err; 11050fb2ed66Smajd@mellanox.com 11060fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 11071b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11080fb2ed66Smajd@mellanox.com if (!in) { 11090fb2ed66Smajd@mellanox.com err = -ENOMEM; 11100fb2ed66Smajd@mellanox.com goto err_umem; 11110fb2ed66Smajd@mellanox.com } 11120fb2ed66Smajd@mellanox.com 11130fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 11140fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1115795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1116795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 11170fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 11180fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11190fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 11200fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 11210fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 112296dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 112396dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 112496dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 11250fb2ed66Smajd@mellanox.com 11260fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 11270fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11280fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11290fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11300fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11310fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11330fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11340fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11350fb2ed66Smajd@mellanox.com 11360fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11370fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11380fb2ed66Smajd@mellanox.com 11390fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11400fb2ed66Smajd@mellanox.com 11410fb2ed66Smajd@mellanox.com kvfree(in); 11420fb2ed66Smajd@mellanox.com 11430fb2ed66Smajd@mellanox.com if (err) 11440fb2ed66Smajd@mellanox.com goto err_umem; 11450fb2ed66Smajd@mellanox.com 11460fb2ed66Smajd@mellanox.com return 0; 11470fb2ed66Smajd@mellanox.com 11480fb2ed66Smajd@mellanox.com err_umem: 11490fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11500fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11510fb2ed66Smajd@mellanox.com 11520fb2ed66Smajd@mellanox.com return err; 11530fb2ed66Smajd@mellanox.com } 11540fb2ed66Smajd@mellanox.com 11550fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11560fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11570fb2ed66Smajd@mellanox.com { 11580fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11590fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11600fb2ed66Smajd@mellanox.com } 11610fb2ed66Smajd@mellanox.com 11620fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 11630fb2ed66Smajd@mellanox.com { 11640fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11650fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11660fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11670fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11680fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11690fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11700fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11710fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11720fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11730fb2ed66Smajd@mellanox.com 11740fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11750fb2ed66Smajd@mellanox.com } 11760fb2ed66Smajd@mellanox.com 11770fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11780fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11790fb2ed66Smajd@mellanox.com { 1180358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11810fb2ed66Smajd@mellanox.com __be64 *pas; 11820fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11830fb2ed66Smajd@mellanox.com void *in; 11840fb2ed66Smajd@mellanox.com void *rqc; 11850fb2ed66Smajd@mellanox.com void *wq; 11860fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11870fb2ed66Smajd@mellanox.com int inlen; 11880fb2ed66Smajd@mellanox.com int err; 11890fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11900fb2ed66Smajd@mellanox.com 11910fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11921b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11930fb2ed66Smajd@mellanox.com if (!in) 11940fb2ed66Smajd@mellanox.com return -ENOMEM; 11950fb2ed66Smajd@mellanox.com 11960fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1197e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 11980fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11990fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 12000fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 12010fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 12020fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12030fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 12040fb2ed66Smajd@mellanox.com 1205358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1206358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1207358e42eaSMajd Dibbiny 12080fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 12090fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1210b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1211b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 12120fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 12130fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12140fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12150fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 12160fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 12170fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 12180fb2ed66Smajd@mellanox.com 12190fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12200fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 12210fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 12240fb2ed66Smajd@mellanox.com 12250fb2ed66Smajd@mellanox.com kvfree(in); 12260fb2ed66Smajd@mellanox.com 12270fb2ed66Smajd@mellanox.com return err; 12280fb2ed66Smajd@mellanox.com } 12290fb2ed66Smajd@mellanox.com 12300fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12310fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12320fb2ed66Smajd@mellanox.com { 12330fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12340fb2ed66Smajd@mellanox.com } 12350fb2ed66Smajd@mellanox.com 1236f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1237f95ef6cbSMaor Gottlieb { 1238f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1239f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1240f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1241f95ef6cbSMaor Gottlieb } 1242f95ef6cbSMaor Gottlieb 12430fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1244f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1245f95ef6cbSMaor Gottlieb bool tunnel_offload_en) 12460fb2ed66Smajd@mellanox.com { 12470fb2ed66Smajd@mellanox.com u32 *in; 12480fb2ed66Smajd@mellanox.com void *tirc; 12490fb2ed66Smajd@mellanox.com int inlen; 12500fb2ed66Smajd@mellanox.com int err; 12510fb2ed66Smajd@mellanox.com 12520fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 12531b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12540fb2ed66Smajd@mellanox.com if (!in) 12550fb2ed66Smajd@mellanox.com return -ENOMEM; 12560fb2ed66Smajd@mellanox.com 12570fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 12580fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 12590fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 12600fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1261f95ef6cbSMaor Gottlieb if (tunnel_offload_en) 1262f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 12630fb2ed66Smajd@mellanox.com 12640fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com kvfree(in); 12670fb2ed66Smajd@mellanox.com 12680fb2ed66Smajd@mellanox.com return err; 12690fb2ed66Smajd@mellanox.com } 12700fb2ed66Smajd@mellanox.com 12710fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12720fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12730fb2ed66Smajd@mellanox.com { 12740fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 12750fb2ed66Smajd@mellanox.com } 12760fb2ed66Smajd@mellanox.com 12770fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 127809a7d9ecSSaeed Mahameed u32 *in, 12790fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12800fb2ed66Smajd@mellanox.com { 12810fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12820fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12830fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12840fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12850fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12860fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12870fb2ed66Smajd@mellanox.com int err; 12880fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12890fb2ed66Smajd@mellanox.com 12900fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 1291c2e53b2cSYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn); 12920fb2ed66Smajd@mellanox.com if (err) 12930fb2ed66Smajd@mellanox.com return err; 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12960fb2ed66Smajd@mellanox.com if (err) 12970fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12980fb2ed66Smajd@mellanox.com 12990fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 13001d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 13010fb2ed66Smajd@mellanox.com } 13020fb2ed66Smajd@mellanox.com 13030fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1304358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1305358e42eaSMajd Dibbiny 1306e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1307e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1308b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1309b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 13100fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 13110fb2ed66Smajd@mellanox.com if (err) 13120fb2ed66Smajd@mellanox.com goto err_destroy_sq; 13130fb2ed66Smajd@mellanox.com 13140fb2ed66Smajd@mellanox.com 1315f95ef6cbSMaor Gottlieb err = create_raw_packet_qp_tir(dev, rq, tdn, 1316f95ef6cbSMaor Gottlieb qp->tunnel_offload_en); 13170fb2ed66Smajd@mellanox.com if (err) 13180fb2ed66Smajd@mellanox.com goto err_destroy_rq; 13190fb2ed66Smajd@mellanox.com } 13200fb2ed66Smajd@mellanox.com 13210fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 13220fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 13230fb2ed66Smajd@mellanox.com 13240fb2ed66Smajd@mellanox.com return 0; 13250fb2ed66Smajd@mellanox.com 13260fb2ed66Smajd@mellanox.com err_destroy_rq: 13270fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13280fb2ed66Smajd@mellanox.com err_destroy_sq: 13290fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 13300fb2ed66Smajd@mellanox.com return err; 13310fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13320fb2ed66Smajd@mellanox.com err_destroy_tis: 13330fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13340fb2ed66Smajd@mellanox.com 13350fb2ed66Smajd@mellanox.com return err; 13360fb2ed66Smajd@mellanox.com } 13370fb2ed66Smajd@mellanox.com 13380fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 13390fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 13400fb2ed66Smajd@mellanox.com { 13410fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13420fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13430fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13440fb2ed66Smajd@mellanox.com 13450fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 13460fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 13470fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13480fb2ed66Smajd@mellanox.com } 13490fb2ed66Smajd@mellanox.com 13500fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13510fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13520fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13530fb2ed66Smajd@mellanox.com } 13540fb2ed66Smajd@mellanox.com } 13550fb2ed66Smajd@mellanox.com 13560fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 13570fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 13580fb2ed66Smajd@mellanox.com { 13590fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13600fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13610fb2ed66Smajd@mellanox.com 13620fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 13630fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 13640fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 13650fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 13660fb2ed66Smajd@mellanox.com } 13670fb2ed66Smajd@mellanox.com 136828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 136928d61370SYishai Hadas { 137028d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 137128d61370SYishai Hadas } 137228d61370SYishai Hadas 137328d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 137428d61370SYishai Hadas struct ib_pd *pd, 137528d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 137628d61370SYishai Hadas struct ib_udata *udata) 137728d61370SYishai Hadas { 137828d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 137928d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 138028d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 138128d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 138228d61370SYishai Hadas int inlen; 138328d61370SYishai Hadas int err; 138428d61370SYishai Hadas u32 *in; 138528d61370SYishai Hadas void *tirc; 138628d61370SYishai Hadas void *hfso; 138728d61370SYishai Hadas u32 selected_fields = 0; 138828d61370SYishai Hadas size_t min_resp_len; 138928d61370SYishai Hadas u32 tdn = mucontext->tdn; 139028d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 139128d61370SYishai Hadas size_t required_cmd_sz; 139228d61370SYishai Hadas 139328d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 139428d61370SYishai Hadas return -EOPNOTSUPP; 139528d61370SYishai Hadas 139628d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 139728d61370SYishai Hadas return -EINVAL; 139828d61370SYishai Hadas 13992f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 140028d61370SYishai Hadas if (udata->outlen < min_resp_len) 140128d61370SYishai Hadas return -EINVAL; 140228d61370SYishai Hadas 1403f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 140428d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 140528d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 140628d61370SYishai Hadas return -EINVAL; 140728d61370SYishai Hadas } 140828d61370SYishai Hadas 140928d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 141028d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 141128d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 141228d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 141328d61370SYishai Hadas return -EOPNOTSUPP; 141428d61370SYishai Hadas } 141528d61370SYishai Hadas 141628d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 141728d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 141828d61370SYishai Hadas return -EFAULT; 141928d61370SYishai Hadas } 142028d61370SYishai Hadas 142128d61370SYishai Hadas if (ucmd.comp_mask) { 142228d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 142328d61370SYishai Hadas return -EOPNOTSUPP; 142428d61370SYishai Hadas } 142528d61370SYishai Hadas 1426f95ef6cbSMaor Gottlieb if (ucmd.flags & ~MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1427f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1428f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1429f95ef6cbSMaor Gottlieb } 1430f95ef6cbSMaor Gottlieb 1431f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1432f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1433f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 143428d61370SYishai Hadas return -EOPNOTSUPP; 143528d61370SYishai Hadas } 143628d61370SYishai Hadas 1437309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1438309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1439309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1440309fa347SMaor Gottlieb return -EOPNOTSUPP; 1441309fa347SMaor Gottlieb } 1442309fa347SMaor Gottlieb 144328d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 144428d61370SYishai Hadas if (err) { 144528d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 144628d61370SYishai Hadas return -EINVAL; 144728d61370SYishai Hadas } 144828d61370SYishai Hadas 144928d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14501b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 145128d61370SYishai Hadas if (!in) 145228d61370SYishai Hadas return -ENOMEM; 145328d61370SYishai Hadas 145428d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 145528d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 145628d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 145728d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 145828d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 145928d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 146028d61370SYishai Hadas 146128d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1462f95ef6cbSMaor Gottlieb 1463f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1464f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1465f95ef6cbSMaor Gottlieb 1466309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1467309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1468309fa347SMaor Gottlieb else 1469309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1470309fa347SMaor Gottlieb 147128d61370SYishai Hadas switch (ucmd.rx_hash_function) { 147228d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 147328d61370SYishai Hadas { 147428d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 147528d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 147628d61370SYishai Hadas 147728d61370SYishai Hadas if (len != ucmd.rx_key_len) { 147828d61370SYishai Hadas err = -EINVAL; 147928d61370SYishai Hadas goto err; 148028d61370SYishai Hadas } 148128d61370SYishai Hadas 148228d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 148328d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 148428d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 148528d61370SYishai Hadas break; 148628d61370SYishai Hadas } 148728d61370SYishai Hadas default: 148828d61370SYishai Hadas err = -EOPNOTSUPP; 148928d61370SYishai Hadas goto err; 149028d61370SYishai Hadas } 149128d61370SYishai Hadas 149228d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 149328d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 149428d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 149528d61370SYishai Hadas goto create_tir; 149628d61370SYishai Hadas err = -EINVAL; 149728d61370SYishai Hadas goto err; 149828d61370SYishai Hadas } 149928d61370SYishai Hadas 150028d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 150128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 150228d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 150328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 150428d61370SYishai Hadas err = -EINVAL; 150528d61370SYishai Hadas goto err; 150628d61370SYishai Hadas } 150728d61370SYishai Hadas 150828d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 150928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 151028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 151128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 151228d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 151328d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 151428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 151528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 151628d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 151728d61370SYishai Hadas 151828d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 151928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 152028d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 152128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 152228d61370SYishai Hadas err = -EINVAL; 152328d61370SYishai Hadas goto err; 152428d61370SYishai Hadas } 152528d61370SYishai Hadas 152628d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 152728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 152828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 152928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 153028d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 153128d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 153228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 153328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 153428d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 153528d61370SYishai Hadas 153628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 153728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 153828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 153928d61370SYishai Hadas 154028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 154128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 154228d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 154328d61370SYishai Hadas 154428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 154528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 154628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 154728d61370SYishai Hadas 154828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 154928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 155028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 155128d61370SYishai Hadas 155228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 155328d61370SYishai Hadas 155428d61370SYishai Hadas create_tir: 155528d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 155628d61370SYishai Hadas 155728d61370SYishai Hadas if (err) 155828d61370SYishai Hadas goto err; 155928d61370SYishai Hadas 156028d61370SYishai Hadas kvfree(in); 156128d61370SYishai Hadas /* qpn is reserved for that QP */ 156228d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1563d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 156428d61370SYishai Hadas return 0; 156528d61370SYishai Hadas 156628d61370SYishai Hadas err: 156728d61370SYishai Hadas kvfree(in); 156828d61370SYishai Hadas return err; 156928d61370SYishai Hadas } 157028d61370SYishai Hadas 1571e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1572e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1573e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1574e126ba97SEli Cohen { 1575e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 157609a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1577938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 1578e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 157989ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 158089ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 158189ea94a7SMaor Gottlieb unsigned long flags; 1582cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 158309a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 158409a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1585cfb5e088SHaggai Abramovsky void *qpc; 158609a7d9ecSSaeed Mahameed u32 *in; 158709a7d9ecSSaeed Mahameed int err; 1588e126ba97SEli Cohen 1589e126ba97SEli Cohen mutex_init(&qp->mutex); 1590e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1591e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1592e126ba97SEli Cohen 159328d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 159428d61370SYishai Hadas if (!udata) 159528d61370SYishai Hadas return -ENOSYS; 159628d61370SYishai Hadas 159728d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 159828d61370SYishai Hadas return err; 159928d61370SYishai Hadas } 160028d61370SYishai Hadas 1601f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1602938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1603f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1604f360d88aSEli Cohen return -EINVAL; 1605f360d88aSEli Cohen } else { 1606f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1607f360d88aSEli Cohen } 1608f360d88aSEli Cohen } 1609f360d88aSEli Cohen 1610051f2630SLeon Romanovsky if (init_attr->create_flags & 1611051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1612051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1613051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1614051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1615051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1616051f2630SLeon Romanovsky return -EINVAL; 1617051f2630SLeon Romanovsky } 1618051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1619051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1620051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1621051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1622051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1623051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1624051f2630SLeon Romanovsky } 1625f0313965SErez Shitrit 1626f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1627f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1628f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1629f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1630f0313965SErez Shitrit return -EOPNOTSUPP; 1631f0313965SErez Shitrit } 1632f0313965SErez Shitrit 1633358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1634358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1635358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1636358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1637358e42eaSMajd Dibbiny } 1638358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1639358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1640358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1641358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1642358e42eaSMajd Dibbiny } 1643358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1644358e42eaSMajd Dibbiny } 1645358e42eaSMajd Dibbiny 1646e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1647e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1648e126ba97SEli Cohen 1649e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1650e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1651e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 1652e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 1653e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 1654e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 1655e4cc4fa7SNoa Osherovich } 1656e4cc4fa7SNoa Osherovich 1657e126ba97SEli Cohen if (pd && pd->uobject) { 1658e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1659e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1660e126ba97SEli Cohen return -EFAULT; 1661e126ba97SEli Cohen } 1662e126ba97SEli Cohen 1663cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1664cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1665cfb5e088SHaggai Abramovsky if (err) 1666cfb5e088SHaggai Abramovsky return err; 1667cfb5e088SHaggai Abramovsky 1668e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1669e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1670f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1671f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 1672f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 1673f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 1674f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1675f95ef6cbSMaor Gottlieb } 1676f95ef6cbSMaor Gottlieb qp->tunnel_offload_en = true; 1677f95ef6cbSMaor Gottlieb } 1678c2e53b2cSYishai Hadas 1679c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 1680c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 1681c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 1682c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 1683c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 1684c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 1685c2e53b2cSYishai Hadas return -EOPNOTSUPP; 1686c2e53b2cSYishai Hadas } 1687c2e53b2cSYishai Hadas 1688c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 1689c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 1690c2e53b2cSYishai Hadas } 1691e126ba97SEli Cohen } else { 1692e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1693e126ba97SEli Cohen } 1694e126ba97SEli Cohen 1695c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 1696c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 1697c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1698c2e53b2cSYishai Hadas &qp->trans_qp.base; 1699c2e53b2cSYishai Hadas 1700e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1701e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1702e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1703e126ba97SEli Cohen if (err) { 1704e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1705e126ba97SEli Cohen return err; 1706e126ba97SEli Cohen } 1707e126ba97SEli Cohen 1708e126ba97SEli Cohen if (pd) { 1709e126ba97SEli Cohen if (pd->uobject) { 1710938fe83cSSaeed Mahameed __u32 max_wqes = 1711938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1712e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1713e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1714e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1715e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1716e126ba97SEli Cohen return -EINVAL; 1717e126ba97SEli Cohen } 1718938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1719e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1720938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1721e126ba97SEli Cohen return -EINVAL; 1722e126ba97SEli Cohen } 1723b11a4f9cSHaggai Eran if (init_attr->create_flags & 1724b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1725b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1726b11a4f9cSHaggai Eran return -EINVAL; 1727b11a4f9cSHaggai Eran } 17280fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 17290fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1730e126ba97SEli Cohen if (err) 1731e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1732e126ba97SEli Cohen } else { 173319098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 173419098df2Smajd@mellanox.com base); 1735e126ba97SEli Cohen if (err) 1736e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1737e126ba97SEli Cohen } 1738e126ba97SEli Cohen 1739e126ba97SEli Cohen if (err) 1740e126ba97SEli Cohen return err; 1741e126ba97SEli Cohen } else { 17421b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 1743e126ba97SEli Cohen if (!in) 1744e126ba97SEli Cohen return -ENOMEM; 1745e126ba97SEli Cohen 1746e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1747e126ba97SEli Cohen } 1748e126ba97SEli Cohen 1749e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1750e126ba97SEli Cohen qp->port = init_attr->port_num; 1751e126ba97SEli Cohen 175209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 175309a7d9ecSSaeed Mahameed 175409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); 175509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1756e126ba97SEli Cohen 1757e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 175809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1759e126ba97SEli Cohen else 176009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 176109a7d9ecSSaeed Mahameed 1762e126ba97SEli Cohen 1763e126ba97SEli Cohen if (qp->wq_sig) 176409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1765e126ba97SEli Cohen 1766f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 176709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1768f360d88aSEli Cohen 1769051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 177009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1771051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 177209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1773051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 177409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1775051f2630SLeon Romanovsky 1776e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1777e126ba97SEli Cohen int rcqe_sz; 1778e126ba97SEli Cohen int scqe_sz; 1779e126ba97SEli Cohen 1780e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1781e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1782e126ba97SEli Cohen 1783e126ba97SEli Cohen if (rcqe_sz == 128) 178409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1785e126ba97SEli Cohen else 178609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1787e126ba97SEli Cohen 1788e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1789e126ba97SEli Cohen if (scqe_sz == 128) 179009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1791e126ba97SEli Cohen else 179209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1793e126ba97SEli Cohen } 1794e126ba97SEli Cohen } 1795e126ba97SEli Cohen 1796e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 179709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 179809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1799e126ba97SEli Cohen } 1800e126ba97SEli Cohen 180109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1802e126ba97SEli Cohen 18033fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 180409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 18053fd3307eSArtemy Kovalyov } else { 180609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 18073fd3307eSArtemy Kovalyov if (init_attr->srq && 18083fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 18093fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 18103fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 18113fd3307eSArtemy Kovalyov } 1812e126ba97SEli Cohen 1813e126ba97SEli Cohen /* Set default resources */ 1814e126ba97SEli Cohen switch (init_attr->qp_type) { 1815e126ba97SEli Cohen case IB_QPT_XRC_TGT: 181609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 181709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 181809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 181909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1820e126ba97SEli Cohen break; 1821e126ba97SEli Cohen case IB_QPT_XRC_INI: 182209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 182309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 182409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1825e126ba97SEli Cohen break; 1826e126ba97SEli Cohen default: 1827e126ba97SEli Cohen if (init_attr->srq) { 182809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 182909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1830e126ba97SEli Cohen } else { 183109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 183209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1833e126ba97SEli Cohen } 1834e126ba97SEli Cohen } 1835e126ba97SEli Cohen 1836e126ba97SEli Cohen if (init_attr->send_cq) 183709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1838e126ba97SEli Cohen 1839e126ba97SEli Cohen if (init_attr->recv_cq) 184009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1841e126ba97SEli Cohen 184209a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1843e126ba97SEli Cohen 1844cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 184509a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1846cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 184709a7d9ecSSaeed Mahameed 1848f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1849f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1850f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1851f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1852f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1853f0313965SErez Shitrit } 1854cfb5e088SHaggai Abramovsky 1855b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 1856b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 1857b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 1858b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 1859b1383aa6SNoa Osherovich goto err; 1860b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1861b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 1862b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 1863b1383aa6SNoa Osherovich } else { 1864b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 1865b1383aa6SNoa Osherovich } 1866b1383aa6SNoa Osherovich } 1867b1383aa6SNoa Osherovich 1868c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 1869c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 18700fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 18710fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 18720fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 18730fb2ed66Smajd@mellanox.com } else { 187419098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 18750fb2ed66Smajd@mellanox.com } 18760fb2ed66Smajd@mellanox.com 1877e126ba97SEli Cohen if (err) { 1878e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1879e126ba97SEli Cohen goto err_create; 1880e126ba97SEli Cohen } 1881e126ba97SEli Cohen 1882479163f4SAl Viro kvfree(in); 1883e126ba97SEli Cohen 188419098df2Smajd@mellanox.com base->container_mibqp = qp; 188519098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1886e126ba97SEli Cohen 188789ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 188889ea94a7SMaor Gottlieb &send_cq, &recv_cq); 188989ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 189089ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 189189ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 189289ea94a7SMaor Gottlieb * flow 189389ea94a7SMaor Gottlieb */ 189489ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 189589ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 189689ea94a7SMaor Gottlieb */ 189789ea94a7SMaor Gottlieb if (send_cq) 189889ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 189989ea94a7SMaor Gottlieb if (recv_cq) 190089ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 190189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 190289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 190389ea94a7SMaor Gottlieb 1904e126ba97SEli Cohen return 0; 1905e126ba97SEli Cohen 1906e126ba97SEli Cohen err_create: 1907e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 1908b037c29aSEli Cohen destroy_qp_user(dev, pd, qp, base); 1909e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1910e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1911e126ba97SEli Cohen 1912b1383aa6SNoa Osherovich err: 1913479163f4SAl Viro kvfree(in); 1914e126ba97SEli Cohen return err; 1915e126ba97SEli Cohen } 1916e126ba97SEli Cohen 1917e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1918e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1919e126ba97SEli Cohen { 1920e126ba97SEli Cohen if (send_cq) { 1921e126ba97SEli Cohen if (recv_cq) { 1922e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 192389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1924e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1925e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1926e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 192789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1928e126ba97SEli Cohen __acquire(&recv_cq->lock); 1929e126ba97SEli Cohen } else { 193089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1931e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1932e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1933e126ba97SEli Cohen } 1934e126ba97SEli Cohen } else { 193589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 19366a4f139aSEli Cohen __acquire(&recv_cq->lock); 1937e126ba97SEli Cohen } 1938e126ba97SEli Cohen } else if (recv_cq) { 193989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 19406a4f139aSEli Cohen __acquire(&send_cq->lock); 19416a4f139aSEli Cohen } else { 19426a4f139aSEli Cohen __acquire(&send_cq->lock); 19436a4f139aSEli Cohen __acquire(&recv_cq->lock); 1944e126ba97SEli Cohen } 1945e126ba97SEli Cohen } 1946e126ba97SEli Cohen 1947e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1948e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1949e126ba97SEli Cohen { 1950e126ba97SEli Cohen if (send_cq) { 1951e126ba97SEli Cohen if (recv_cq) { 1952e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1953e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 195489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1955e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1956e126ba97SEli Cohen __release(&recv_cq->lock); 195789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1958e126ba97SEli Cohen } else { 1959e126ba97SEli Cohen spin_unlock(&send_cq->lock); 196089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1961e126ba97SEli Cohen } 1962e126ba97SEli Cohen } else { 19636a4f139aSEli Cohen __release(&recv_cq->lock); 196489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1965e126ba97SEli Cohen } 1966e126ba97SEli Cohen } else if (recv_cq) { 19676a4f139aSEli Cohen __release(&send_cq->lock); 196889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 19696a4f139aSEli Cohen } else { 19706a4f139aSEli Cohen __release(&recv_cq->lock); 19716a4f139aSEli Cohen __release(&send_cq->lock); 1972e126ba97SEli Cohen } 1973e126ba97SEli Cohen } 1974e126ba97SEli Cohen 1975e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1976e126ba97SEli Cohen { 1977e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1978e126ba97SEli Cohen } 1979e126ba97SEli Cohen 198089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 198189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1982e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1983e126ba97SEli Cohen { 198489ea94a7SMaor Gottlieb switch (qp_type) { 1985e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1986e126ba97SEli Cohen *send_cq = NULL; 1987e126ba97SEli Cohen *recv_cq = NULL; 1988e126ba97SEli Cohen break; 1989e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1990e126ba97SEli Cohen case IB_QPT_XRC_INI: 199189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1992e126ba97SEli Cohen *recv_cq = NULL; 1993e126ba97SEli Cohen break; 1994e126ba97SEli Cohen 1995e126ba97SEli Cohen case IB_QPT_SMI: 1996d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1997e126ba97SEli Cohen case IB_QPT_RC: 1998e126ba97SEli Cohen case IB_QPT_UC: 1999e126ba97SEli Cohen case IB_QPT_UD: 2000e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2001e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 20020fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 200389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 200489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2005e126ba97SEli Cohen break; 2006e126ba97SEli Cohen 2007e126ba97SEli Cohen case IB_QPT_MAX: 2008e126ba97SEli Cohen default: 2009e126ba97SEli Cohen *send_cq = NULL; 2010e126ba97SEli Cohen *recv_cq = NULL; 2011e126ba97SEli Cohen break; 2012e126ba97SEli Cohen } 2013e126ba97SEli Cohen } 2014e126ba97SEli Cohen 2015ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 201613eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 201713eab21fSAviv Heller u8 lag_tx_affinity); 2018ad5f8e96Smajd@mellanox.com 2019e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 2020e126ba97SEli Cohen { 2021e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2022c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 202389ea94a7SMaor Gottlieb unsigned long flags; 2024e126ba97SEli Cohen int err; 2025e126ba97SEli Cohen 202628d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 202728d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 202828d61370SYishai Hadas return; 202928d61370SYishai Hadas } 203028d61370SYishai Hadas 2031c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2032c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 20330fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 20340fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 20350fb2ed66Smajd@mellanox.com 20366aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2037c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2038c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2039ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 20401a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 20411a412fb1SSaeed Mahameed NULL, &base->mqp); 2042ad5f8e96Smajd@mellanox.com } else { 20430680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 20440680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 20450680efa2SAlex Vesker }; 20460680efa2SAlex Vesker 204713eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2048ad5f8e96Smajd@mellanox.com } 2049ad5f8e96Smajd@mellanox.com if (err) 2050427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 205119098df2Smajd@mellanox.com base->mqp.qpn); 20526aec21f6SHaggai Eran } 2053e126ba97SEli Cohen 205489ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 205589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 205689ea94a7SMaor Gottlieb 205789ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 205889ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 205989ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 206089ea94a7SMaor Gottlieb list_del(&qp->qps_list); 206189ea94a7SMaor Gottlieb if (send_cq) 206289ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 206389ea94a7SMaor Gottlieb 206489ea94a7SMaor Gottlieb if (recv_cq) 206589ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2066e126ba97SEli Cohen 2067e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 206819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2069e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2070e126ba97SEli Cohen if (send_cq != recv_cq) 207119098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 207219098df2Smajd@mellanox.com NULL); 2073e126ba97SEli Cohen } 207489ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 207589ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2076e126ba97SEli Cohen 2077c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2078c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 20790fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 20800fb2ed66Smajd@mellanox.com } else { 208119098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2082e126ba97SEli Cohen if (err) 20830fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 20840fb2ed66Smajd@mellanox.com base->mqp.qpn); 20850fb2ed66Smajd@mellanox.com } 2086e126ba97SEli Cohen 2087e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2088e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2089e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2090b037c29aSEli Cohen destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); 2091e126ba97SEli Cohen } 2092e126ba97SEli Cohen 2093e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2094e126ba97SEli Cohen { 2095e126ba97SEli Cohen switch (type) { 2096e126ba97SEli Cohen case IB_QPT_SMI: 2097e126ba97SEli Cohen return "IB_QPT_SMI"; 2098e126ba97SEli Cohen case IB_QPT_GSI: 2099e126ba97SEli Cohen return "IB_QPT_GSI"; 2100e126ba97SEli Cohen case IB_QPT_RC: 2101e126ba97SEli Cohen return "IB_QPT_RC"; 2102e126ba97SEli Cohen case IB_QPT_UC: 2103e126ba97SEli Cohen return "IB_QPT_UC"; 2104e126ba97SEli Cohen case IB_QPT_UD: 2105e126ba97SEli Cohen return "IB_QPT_UD"; 2106e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2107e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2108e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2109e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2110e126ba97SEli Cohen case IB_QPT_XRC_INI: 2111e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2112e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2113e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2114e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2115e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2116e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2117e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2118b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2119b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2120e126ba97SEli Cohen case IB_QPT_MAX: 2121e126ba97SEli Cohen default: 2122e126ba97SEli Cohen return "Invalid QP type"; 2123e126ba97SEli Cohen } 2124e126ba97SEli Cohen } 2125e126ba97SEli Cohen 2126b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2127b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 2128b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd) 2129b4aaa1f0SMoni Shoua { 2130b4aaa1f0SMoni Shoua struct mlx5_ib_dev *dev; 2131b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2132b4aaa1f0SMoni Shoua int err = 0; 2133b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2134b4aaa1f0SMoni Shoua void *dctc; 2135b4aaa1f0SMoni Shoua 2136b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2137b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2138b4aaa1f0SMoni Shoua 2139b4aaa1f0SMoni Shoua dev = to_mdev(pd->device); 2140b4aaa1f0SMoni Shoua 2141b4aaa1f0SMoni Shoua err = get_qp_user_index(to_mucontext(pd->uobject->context), 2142b4aaa1f0SMoni Shoua ucmd, sizeof(*ucmd), &uidx); 2143b4aaa1f0SMoni Shoua if (err) 2144b4aaa1f0SMoni Shoua return ERR_PTR(err); 2145b4aaa1f0SMoni Shoua 2146b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2147b4aaa1f0SMoni Shoua if (!qp) 2148b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2149b4aaa1f0SMoni Shoua 2150b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2151b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2152b4aaa1f0SMoni Shoua err = -ENOMEM; 2153b4aaa1f0SMoni Shoua goto err_free; 2154b4aaa1f0SMoni Shoua } 2155b4aaa1f0SMoni Shoua 2156b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2157b4aaa1f0SMoni Shoua qp->driver_qp_type = MLX5_IB_QPT_DCT; 2158b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2159b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2160b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2161b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2162b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2163b4aaa1f0SMoni Shoua 2164b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2165b4aaa1f0SMoni Shoua 2166b4aaa1f0SMoni Shoua return &qp->ibqp; 2167b4aaa1f0SMoni Shoua err_free: 2168b4aaa1f0SMoni Shoua kfree(qp); 2169b4aaa1f0SMoni Shoua return ERR_PTR(err); 2170b4aaa1f0SMoni Shoua } 2171b4aaa1f0SMoni Shoua 2172b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2173e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2174b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2175b4aaa1f0SMoni Shoua struct ib_udata *udata) 2176b4aaa1f0SMoni Shoua { 2177b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2178b4aaa1f0SMoni Shoua int err; 2179b4aaa1f0SMoni Shoua 2180b4aaa1f0SMoni Shoua if (!udata) 2181b4aaa1f0SMoni Shoua return -EINVAL; 2182b4aaa1f0SMoni Shoua 2183b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2184b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2185b4aaa1f0SMoni Shoua return -EINVAL; 2186b4aaa1f0SMoni Shoua } 2187b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2188b4aaa1f0SMoni Shoua if (err) 2189b4aaa1f0SMoni Shoua return err; 2190b4aaa1f0SMoni Shoua 2191b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2192b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2193b4aaa1f0SMoni Shoua } else { 2194b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2195b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2196b4aaa1f0SMoni Shoua } else { 2197b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2198b4aaa1f0SMoni Shoua return -EINVAL; 2199b4aaa1f0SMoni Shoua } 2200b4aaa1f0SMoni Shoua } 2201b4aaa1f0SMoni Shoua 2202b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2203b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2204b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2205b4aaa1f0SMoni Shoua } 2206b4aaa1f0SMoni Shoua 2207b4aaa1f0SMoni Shoua return 0; 2208b4aaa1f0SMoni Shoua } 2209b4aaa1f0SMoni Shoua 2210b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2211b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2212e126ba97SEli Cohen struct ib_udata *udata) 2213e126ba97SEli Cohen { 2214e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2215e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2216e126ba97SEli Cohen u16 xrcdn = 0; 2217e126ba97SEli Cohen int err; 2218b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2219b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 2220e126ba97SEli Cohen 2221e126ba97SEli Cohen if (pd) { 2222e126ba97SEli Cohen dev = to_mdev(pd->device); 22230fb2ed66Smajd@mellanox.com 22240fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 22250fb2ed66Smajd@mellanox.com if (!pd->uobject) { 22260fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 22270fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 22280fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 22290fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 22300fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 22310fb2ed66Smajd@mellanox.com } 22320fb2ed66Smajd@mellanox.com } 223309f16cf5SMajd Dibbiny } else { 223409f16cf5SMajd Dibbiny /* being cautious here */ 223509f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 223609f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 223709f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 223809f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 223909f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 224009f16cf5SMajd Dibbiny } 224109f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2242e126ba97SEli Cohen } 2243e126ba97SEli Cohen 2244b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2245b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2246b4aaa1f0SMoni Shoua 2247b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2248b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2249b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2250b4aaa1f0SMoni Shoua if (err) 2251b4aaa1f0SMoni Shoua return ERR_PTR(err); 2252b4aaa1f0SMoni Shoua } 2253b4aaa1f0SMoni Shoua 2254e126ba97SEli Cohen switch (init_attr->qp_type) { 2255e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2256e126ba97SEli Cohen case IB_QPT_XRC_INI: 2257938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2258e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2259e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2260e126ba97SEli Cohen } 2261e126ba97SEli Cohen init_attr->recv_cq = NULL; 2262e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2263e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2264e126ba97SEli Cohen init_attr->send_cq = NULL; 2265e126ba97SEli Cohen } 2266e126ba97SEli Cohen 2267e126ba97SEli Cohen /* fall through */ 22680fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2269e126ba97SEli Cohen case IB_QPT_RC: 2270e126ba97SEli Cohen case IB_QPT_UC: 2271e126ba97SEli Cohen case IB_QPT_UD: 2272e126ba97SEli Cohen case IB_QPT_SMI: 2273d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2274e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2275e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2276e126ba97SEli Cohen if (!qp) 2277e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2278e126ba97SEli Cohen 2279e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2280e126ba97SEli Cohen if (err) { 2281e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2282e126ba97SEli Cohen kfree(qp); 2283e126ba97SEli Cohen return ERR_PTR(err); 2284e126ba97SEli Cohen } 2285e126ba97SEli Cohen 2286e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2287e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2288e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2289e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2290e126ba97SEli Cohen else 229119098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2292e126ba97SEli Cohen 2293e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 229419098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2295a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2296a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2297e126ba97SEli Cohen 229819098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2299e126ba97SEli Cohen 2300e126ba97SEli Cohen break; 2301e126ba97SEli Cohen 2302d16e91daSHaggai Eran case IB_QPT_GSI: 2303d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2304d16e91daSHaggai Eran 2305e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2306e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2307e126ba97SEli Cohen case IB_QPT_MAX: 2308e126ba97SEli Cohen default: 2309e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2310e126ba97SEli Cohen init_attr->qp_type); 2311e126ba97SEli Cohen /* Don't support raw QPs */ 2312e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2313e126ba97SEli Cohen } 2314e126ba97SEli Cohen 2315b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2316b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2317b4aaa1f0SMoni Shoua 2318e126ba97SEli Cohen return &qp->ibqp; 2319e126ba97SEli Cohen } 2320e126ba97SEli Cohen 2321e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2322e126ba97SEli Cohen { 2323e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2324e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2325e126ba97SEli Cohen 2326d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2327d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2328d16e91daSHaggai Eran 2329e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2330e126ba97SEli Cohen 2331e126ba97SEli Cohen kfree(mqp); 2332e126ba97SEli Cohen 2333e126ba97SEli Cohen return 0; 2334e126ba97SEli Cohen } 2335e126ba97SEli Cohen 2336e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2337e126ba97SEli Cohen int attr_mask) 2338e126ba97SEli Cohen { 2339e126ba97SEli Cohen u32 hw_access_flags = 0; 2340e126ba97SEli Cohen u8 dest_rd_atomic; 2341e126ba97SEli Cohen u32 access_flags; 2342e126ba97SEli Cohen 2343e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2344e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2345e126ba97SEli Cohen else 234619098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2347e126ba97SEli Cohen 2348e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2349e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2350e126ba97SEli Cohen else 235119098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2352e126ba97SEli Cohen 2353e126ba97SEli Cohen if (!dest_rd_atomic) 2354e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2355e126ba97SEli Cohen 2356e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2357e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2358e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2359e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2360e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2361e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2362e126ba97SEli Cohen 2363e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2364e126ba97SEli Cohen } 2365e126ba97SEli Cohen 2366e126ba97SEli Cohen enum { 2367e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2368e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2369e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2370e126ba97SEli Cohen }; 2371e126ba97SEli Cohen 2372e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2373e126ba97SEli Cohen { 2374e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2375e126ba97SEli Cohen return 0; 2376e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2377e126ba97SEli Cohen return -EINVAL; 2378e126ba97SEli Cohen } else { 2379e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2380e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2381938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2382e126ba97SEli Cohen --rate; 2383e126ba97SEli Cohen } 2384e126ba97SEli Cohen 2385e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2386e126ba97SEli Cohen } 2387e126ba97SEli Cohen 238875850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 238975850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 239075850d0bSmajd@mellanox.com { 239175850d0bSmajd@mellanox.com void *in; 239275850d0bSmajd@mellanox.com void *tisc; 239375850d0bSmajd@mellanox.com int inlen; 239475850d0bSmajd@mellanox.com int err; 239575850d0bSmajd@mellanox.com 239675850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 23971b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 239875850d0bSmajd@mellanox.com if (!in) 239975850d0bSmajd@mellanox.com return -ENOMEM; 240075850d0bSmajd@mellanox.com 240175850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 240275850d0bSmajd@mellanox.com 240375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 240475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 240575850d0bSmajd@mellanox.com 240675850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 240775850d0bSmajd@mellanox.com 240875850d0bSmajd@mellanox.com kvfree(in); 240975850d0bSmajd@mellanox.com 241075850d0bSmajd@mellanox.com return err; 241175850d0bSmajd@mellanox.com } 241275850d0bSmajd@mellanox.com 241313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 241413eab21fSAviv Heller struct mlx5_ib_sq *sq, u8 tx_affinity) 241513eab21fSAviv Heller { 241613eab21fSAviv Heller void *in; 241713eab21fSAviv Heller void *tisc; 241813eab21fSAviv Heller int inlen; 241913eab21fSAviv Heller int err; 242013eab21fSAviv Heller 242113eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 24221b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 242313eab21fSAviv Heller if (!in) 242413eab21fSAviv Heller return -ENOMEM; 242513eab21fSAviv Heller 242613eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 242713eab21fSAviv Heller 242813eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 242913eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 243013eab21fSAviv Heller 243113eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 243213eab21fSAviv Heller 243313eab21fSAviv Heller kvfree(in); 243413eab21fSAviv Heller 243513eab21fSAviv Heller return err; 243613eab21fSAviv Heller } 243713eab21fSAviv Heller 243875850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 243990898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2440e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2441f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2442f879ee8dSAchiad Shochat bool alt) 2443e126ba97SEli Cohen { 2444d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2445e126ba97SEli Cohen int err; 2446ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2447d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2448d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2449e126ba97SEli Cohen 2450e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2451f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2452f879ee8dSAchiad Shochat attr->pkey_index); 2453e126ba97SEli Cohen 2454d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2455d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2456938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2457f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2458d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2459938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2460f83b4263SEli Cohen return -EINVAL; 2461f83b4263SEli Cohen } 24622811ba51SAchiad Shochat } 246344c58487SDasaratharaman Chandramouli 246444c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2465d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 24662811ba51SAchiad Shochat return -EINVAL; 2467d8966fcdSDasaratharaman Chandramouli err = mlx5_get_roce_gid_type(dev, port, grh->sgid_index, 2468ed88451eSMajd Dibbiny &gid_type); 2469ed88451eSMajd Dibbiny if (err) 2470ed88451eSMajd Dibbiny return err; 247144c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 24722b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 24732b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 24742b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 24752b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 24762811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 2477d8966fcdSDasaratharaman Chandramouli grh->sgid_index); 2478d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 2479ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2480d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 24812811ba51SAchiad Shochat } else { 2482d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2483d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2484d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2485d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2486d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2487d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2488e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2489d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 24902811ba51SAchiad Shochat } 24912811ba51SAchiad Shochat 2492d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2493d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2494d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2495e126ba97SEli Cohen path->tclass_flowlabel = 2496d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2497d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2498d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2499e126ba97SEli Cohen } 2500e126ba97SEli Cohen 2501d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2502e126ba97SEli Cohen if (err < 0) 2503e126ba97SEli Cohen return err; 2504e126ba97SEli Cohen path->static_rate = err; 2505e126ba97SEli Cohen path->port = port; 2506e126ba97SEli Cohen 2507e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2508f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2509e126ba97SEli Cohen 251075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 251175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 251275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 2513d8966fcdSDasaratharaman Chandramouli sl & 0xf); 251475850d0bSmajd@mellanox.com 2515e126ba97SEli Cohen return 0; 2516e126ba97SEli Cohen } 2517e126ba97SEli Cohen 2518e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2519e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2520e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2521e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2522e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2523e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2524e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2525e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2526e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2527e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2528e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2529e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2530e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2531e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2532e126ba97SEli Cohen }, 2533e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2534e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2535e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2536e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2537e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2538e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2539e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2540e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2541e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2542e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2543e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2544e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2545e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2546a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2547a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2548a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2549a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2550a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2551e126ba97SEli Cohen }, 2552e126ba97SEli Cohen }, 2553e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2554e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2555e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2556e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2557e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2558e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2559e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2560e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2561e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2562e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2563e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2564e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2565e126ba97SEli Cohen }, 2566e126ba97SEli Cohen }, 2567e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2568e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2569e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2570e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2571e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2572e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2573c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2574c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2575e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2576c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2577c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2578e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2579e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2580e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2581e126ba97SEli Cohen }, 2582e126ba97SEli Cohen }, 2583e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2584e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2585e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2586e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 258775959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2588a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2589a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2590a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2591a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2592e126ba97SEli Cohen }, 2593e126ba97SEli Cohen }, 2594e126ba97SEli Cohen }; 2595e126ba97SEli Cohen 2596e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2597e126ba97SEli Cohen { 2598e126ba97SEli Cohen switch (ib_mask) { 2599e126ba97SEli Cohen case IB_QP_STATE: 2600e126ba97SEli Cohen return 0; 2601e126ba97SEli Cohen case IB_QP_CUR_STATE: 2602e126ba97SEli Cohen return 0; 2603e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2604e126ba97SEli Cohen return 0; 2605e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2606e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2607e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2608e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2609e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2610e126ba97SEli Cohen case IB_QP_PORT: 2611e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2612e126ba97SEli Cohen case IB_QP_QKEY: 2613e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2614e126ba97SEli Cohen case IB_QP_AV: 2615e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2616e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2617e126ba97SEli Cohen case IB_QP_PATH_MTU: 2618e126ba97SEli Cohen return 0; 2619e126ba97SEli Cohen case IB_QP_TIMEOUT: 2620e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2621e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2622e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2623e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2624e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2625e126ba97SEli Cohen case IB_QP_RQ_PSN: 2626e126ba97SEli Cohen return 0; 2627e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2628e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2629e126ba97SEli Cohen case IB_QP_ALT_PATH: 2630e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2631e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2632e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2633e126ba97SEli Cohen case IB_QP_SQ_PSN: 2634e126ba97SEli Cohen return 0; 2635e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2636e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2637e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2638e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2639e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2640e126ba97SEli Cohen case IB_QP_CAP: 2641e126ba97SEli Cohen return 0; 2642e126ba97SEli Cohen case IB_QP_DEST_QPN: 2643e126ba97SEli Cohen return 0; 2644e126ba97SEli Cohen } 2645e126ba97SEli Cohen return 0; 2646e126ba97SEli Cohen } 2647e126ba97SEli Cohen 2648e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2649e126ba97SEli Cohen { 2650e126ba97SEli Cohen int result = 0; 2651e126ba97SEli Cohen int i; 2652e126ba97SEli Cohen 2653e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2654e126ba97SEli Cohen if ((1 << i) & ib_mask) 2655e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2656e126ba97SEli Cohen } 2657e126ba97SEli Cohen 2658e126ba97SEli Cohen return result; 2659e126ba97SEli Cohen } 2660e126ba97SEli Cohen 2661eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 2662eb49ab0cSAlex Vesker struct mlx5_ib_rq *rq, int new_state, 2663eb49ab0cSAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2664ad5f8e96Smajd@mellanox.com { 2665ad5f8e96Smajd@mellanox.com void *in; 2666ad5f8e96Smajd@mellanox.com void *rqc; 2667ad5f8e96Smajd@mellanox.com int inlen; 2668ad5f8e96Smajd@mellanox.com int err; 2669ad5f8e96Smajd@mellanox.com 2670ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 26711b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2672ad5f8e96Smajd@mellanox.com if (!in) 2673ad5f8e96Smajd@mellanox.com return -ENOMEM; 2674ad5f8e96Smajd@mellanox.com 2675ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2676ad5f8e96Smajd@mellanox.com 2677ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2678ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2679ad5f8e96Smajd@mellanox.com 2680eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2681eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2682eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 268323a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 2684eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2685eb49ab0cSAlex Vesker } else 2686eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2687eb49ab0cSAlex Vesker dev->ib_dev.name); 2688eb49ab0cSAlex Vesker } 2689eb49ab0cSAlex Vesker 2690eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2691ad5f8e96Smajd@mellanox.com if (err) 2692ad5f8e96Smajd@mellanox.com goto out; 2693ad5f8e96Smajd@mellanox.com 2694ad5f8e96Smajd@mellanox.com rq->state = new_state; 2695ad5f8e96Smajd@mellanox.com 2696ad5f8e96Smajd@mellanox.com out: 2697ad5f8e96Smajd@mellanox.com kvfree(in); 2698ad5f8e96Smajd@mellanox.com return err; 2699ad5f8e96Smajd@mellanox.com } 2700ad5f8e96Smajd@mellanox.com 2701ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 27027d29f349SBodong Wang struct mlx5_ib_sq *sq, 27037d29f349SBodong Wang int new_state, 27047d29f349SBodong Wang const struct mlx5_modify_raw_qp_param *raw_qp_param) 2705ad5f8e96Smajd@mellanox.com { 27067d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 27077d29f349SBodong Wang u32 old_rate = ibqp->rate_limit; 27087d29f349SBodong Wang u32 new_rate = old_rate; 27097d29f349SBodong Wang u16 rl_index = 0; 2710ad5f8e96Smajd@mellanox.com void *in; 2711ad5f8e96Smajd@mellanox.com void *sqc; 2712ad5f8e96Smajd@mellanox.com int inlen; 2713ad5f8e96Smajd@mellanox.com int err; 2714ad5f8e96Smajd@mellanox.com 2715ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 27161b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2717ad5f8e96Smajd@mellanox.com if (!in) 2718ad5f8e96Smajd@mellanox.com return -ENOMEM; 2719ad5f8e96Smajd@mellanox.com 2720ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2721ad5f8e96Smajd@mellanox.com 2722ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2723ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2724ad5f8e96Smajd@mellanox.com 27257d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 27267d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 27277d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 27287d29f349SBodong Wang __func__); 27297d29f349SBodong Wang else 27307d29f349SBodong Wang new_rate = raw_qp_param->rate_limit; 27317d29f349SBodong Wang } 2732ad5f8e96Smajd@mellanox.com 27337d29f349SBodong Wang if (old_rate != new_rate) { 27347d29f349SBodong Wang if (new_rate) { 27357d29f349SBodong Wang err = mlx5_rl_add_rate(dev, new_rate, &rl_index); 27367d29f349SBodong Wang if (err) { 27377d29f349SBodong Wang pr_err("Failed configuring rate %u: %d\n", 27387d29f349SBodong Wang new_rate, err); 27397d29f349SBodong Wang goto out; 27407d29f349SBodong Wang } 27417d29f349SBodong Wang } 27427d29f349SBodong Wang 27437d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 27447d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 27457d29f349SBodong Wang } 27467d29f349SBodong Wang 27477d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 27487d29f349SBodong Wang if (err) { 27497d29f349SBodong Wang /* Remove new rate from table if failed */ 27507d29f349SBodong Wang if (new_rate && 27517d29f349SBodong Wang old_rate != new_rate) 27527d29f349SBodong Wang mlx5_rl_remove_rate(dev, new_rate); 27537d29f349SBodong Wang goto out; 27547d29f349SBodong Wang } 27557d29f349SBodong Wang 27567d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 27577d29f349SBodong Wang if ((old_rate && 27587d29f349SBodong Wang (old_rate != new_rate)) || 27597d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 27607d29f349SBodong Wang mlx5_rl_remove_rate(dev, old_rate); 27617d29f349SBodong Wang 27627d29f349SBodong Wang ibqp->rate_limit = new_rate; 2763ad5f8e96Smajd@mellanox.com sq->state = new_state; 2764ad5f8e96Smajd@mellanox.com 2765ad5f8e96Smajd@mellanox.com out: 2766ad5f8e96Smajd@mellanox.com kvfree(in); 2767ad5f8e96Smajd@mellanox.com return err; 2768ad5f8e96Smajd@mellanox.com } 2769ad5f8e96Smajd@mellanox.com 2770ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 277113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 277213eab21fSAviv Heller u8 tx_affinity) 2773ad5f8e96Smajd@mellanox.com { 2774ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2775ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2776ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 27777d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 27787d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 2779ad5f8e96Smajd@mellanox.com int rq_state; 2780ad5f8e96Smajd@mellanox.com int sq_state; 2781ad5f8e96Smajd@mellanox.com int err; 2782ad5f8e96Smajd@mellanox.com 27830680efa2SAlex Vesker switch (raw_qp_param->operation) { 2784ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2785ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2786ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2787ad5f8e96Smajd@mellanox.com break; 2788ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2789ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2790ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2791ad5f8e96Smajd@mellanox.com break; 2792ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2793ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2794ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2795ad5f8e96Smajd@mellanox.com break; 2796ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2797ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 27987d29f349SBodong Wang if (raw_qp_param->set_mask == 27997d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 28007d29f349SBodong Wang modify_rq = 0; 28017d29f349SBodong Wang sq_state = sq->state; 28027d29f349SBodong Wang } else { 28037d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 28047d29f349SBodong Wang } 28057d29f349SBodong Wang break; 28067d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 28077d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 2808eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2809eb49ab0cSAlex Vesker return -EINVAL; 2810eb49ab0cSAlex Vesker else 2811ad5f8e96Smajd@mellanox.com return 0; 2812ad5f8e96Smajd@mellanox.com default: 2813ad5f8e96Smajd@mellanox.com WARN_ON(1); 2814ad5f8e96Smajd@mellanox.com return -EINVAL; 2815ad5f8e96Smajd@mellanox.com } 2816ad5f8e96Smajd@mellanox.com 28177d29f349SBodong Wang if (modify_rq) { 2818eb49ab0cSAlex Vesker err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); 2819ad5f8e96Smajd@mellanox.com if (err) 2820ad5f8e96Smajd@mellanox.com return err; 2821ad5f8e96Smajd@mellanox.com } 2822ad5f8e96Smajd@mellanox.com 28237d29f349SBodong Wang if (modify_sq) { 282413eab21fSAviv Heller if (tx_affinity) { 282513eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 282613eab21fSAviv Heller tx_affinity); 282713eab21fSAviv Heller if (err) 282813eab21fSAviv Heller return err; 282913eab21fSAviv Heller } 283013eab21fSAviv Heller 28317d29f349SBodong Wang return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); 283213eab21fSAviv Heller } 2833ad5f8e96Smajd@mellanox.com 2834ad5f8e96Smajd@mellanox.com return 0; 2835ad5f8e96Smajd@mellanox.com } 2836ad5f8e96Smajd@mellanox.com 2837e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2838e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2839e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2840e126ba97SEli Cohen { 2841427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2842427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2843427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2844427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2845427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2846427c1e7bSmajd@mellanox.com }, 2847427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2848427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2849427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2850427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2851427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2852427c1e7bSmajd@mellanox.com }, 2853427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2854427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2855427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2856427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2857427c1e7bSmajd@mellanox.com }, 2858427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2859427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2860427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2861427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2862427c1e7bSmajd@mellanox.com }, 2863427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2864427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2865427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2866427c1e7bSmajd@mellanox.com }, 2867427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2868427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2869427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2870427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2871427c1e7bSmajd@mellanox.com }, 2872427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2873427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2874427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2875427c1e7bSmajd@mellanox.com } 2876427c1e7bSmajd@mellanox.com }; 2877427c1e7bSmajd@mellanox.com 2878e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2879e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 288019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2881e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2882e126ba97SEli Cohen struct mlx5_qp_context *context; 2883e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2884eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 2885e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2886e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2887e126ba97SEli Cohen int mlx5_st; 2888e126ba97SEli Cohen int err; 2889427c1e7bSmajd@mellanox.com u16 op; 289013eab21fSAviv Heller u8 tx_affinity = 0; 2891e126ba97SEli Cohen 28921a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 28931a412fb1SSaeed Mahameed if (!context) 2894e126ba97SEli Cohen return -ENOMEM; 2895e126ba97SEli Cohen 2896e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2897158abf86SHaggai Eran if (err < 0) { 2898158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2899e126ba97SEli Cohen goto out; 2900158abf86SHaggai Eran } 2901e126ba97SEli Cohen 2902e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2903e126ba97SEli Cohen 2904e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2905e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2906e126ba97SEli Cohen } else { 2907e126ba97SEli Cohen switch (attr->path_mig_state) { 2908e126ba97SEli Cohen case IB_MIG_MIGRATED: 2909e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2910e126ba97SEli Cohen break; 2911e126ba97SEli Cohen case IB_MIG_REARM: 2912e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2913e126ba97SEli Cohen break; 2914e126ba97SEli Cohen case IB_MIG_ARMED: 2915e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2916e126ba97SEli Cohen break; 2917e126ba97SEli Cohen } 2918e126ba97SEli Cohen } 2919e126ba97SEli Cohen 292013eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 292113eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 292213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 292313eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 292413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 292513eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 292613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 292713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 292813eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 292913eab21fSAviv Heller tx_affinity = (unsigned int)atomic_add_return(1, 293013eab21fSAviv Heller &dev->roce.next_port) % 293113eab21fSAviv Heller MLX5_MAX_PORTS + 1; 293213eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 293313eab21fSAviv Heller } 293413eab21fSAviv Heller } 293513eab21fSAviv Heller } 293613eab21fSAviv Heller 2937d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2938e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2939c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 2940c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 2941e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2942e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2943e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2944e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2945e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2946e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2947e126ba97SEli Cohen err = -EINVAL; 2948e126ba97SEli Cohen goto out; 2949e126ba97SEli Cohen } 2950938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2951938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2952e126ba97SEli Cohen } 2953e126ba97SEli Cohen 2954e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2955e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2956e126ba97SEli Cohen 2957e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2958d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2959e126ba97SEli Cohen 2960e126ba97SEli Cohen /* todo implement counter_index functionality */ 2961e126ba97SEli Cohen 2962e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2963e126ba97SEli Cohen context->pri_path.port = qp->port; 2964e126ba97SEli Cohen 2965e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2966e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2967e126ba97SEli Cohen 2968e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 296975850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2970e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2971f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2972e126ba97SEli Cohen if (err) 2973e126ba97SEli Cohen goto out; 2974e126ba97SEli Cohen } 2975e126ba97SEli Cohen 2976e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2977e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2978e126ba97SEli Cohen 2979e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 298075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 298175850d0bSmajd@mellanox.com &context->alt_path, 2982f879ee8dSAchiad Shochat attr->alt_port_num, 2983f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2984f879ee8dSAchiad Shochat 0, attr, true); 2985e126ba97SEli Cohen if (err) 2986e126ba97SEli Cohen goto out; 2987e126ba97SEli Cohen } 2988e126ba97SEli Cohen 2989e126ba97SEli Cohen pd = get_pd(qp); 299089ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 299189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2992e126ba97SEli Cohen 2993e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2994e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2995e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2996e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2997e126ba97SEli Cohen 2998e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2999e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3000e126ba97SEli Cohen 3001e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3002e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3003e126ba97SEli Cohen 3004e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3005e126ba97SEli Cohen if (attr->max_rd_atomic) 3006e126ba97SEli Cohen context->params1 |= 3007e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3008e126ba97SEli Cohen } 3009e126ba97SEli Cohen 3010e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3011e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3012e126ba97SEli Cohen 3013e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3014e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3015e126ba97SEli Cohen context->params2 |= 3016e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3017e126ba97SEli Cohen } 3018e126ba97SEli Cohen 3019e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 3020e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 3021e126ba97SEli Cohen 3022e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3023e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3024e126ba97SEli Cohen 3025e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3026e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3027e126ba97SEli Cohen 3028e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3029e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3030e126ba97SEli Cohen 3031e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3032e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3033e126ba97SEli Cohen 30340837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 30350837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 30360837e86aSMark Bloch qp->port) - 1; 3037c2e53b2cSYishai Hadas 3038c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3039c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3040c2e53b2cSYishai Hadas port_num = 0; 3041c2e53b2cSYishai Hadas 3042eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 30430837e86aSMark Bloch context->qp_counter_set_usr_page |= 3044e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 30450837e86aSMark Bloch } 30460837e86aSMark Bloch 3047e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3048e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3049e126ba97SEli Cohen 3050b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3051b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3052e126ba97SEli Cohen 3053e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3054e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3055e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 305607c9113fSEli Cohen if (mlx5_st < 0) 3057e126ba97SEli Cohen goto out; 3058e126ba97SEli Cohen 3059427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 3060427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 3061427c1e7bSmajd@mellanox.com goto out; 3062427c1e7bSmajd@mellanox.com 3063427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3064e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3065e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3066ad5f8e96Smajd@mellanox.com 3067c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3068c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 30690680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 30700680efa2SAlex Vesker 30710680efa2SAlex Vesker raw_qp_param.operation = op; 3072eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3073e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 3074eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3075eb49ab0cSAlex Vesker } 30767d29f349SBodong Wang 30777d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 30787d29f349SBodong Wang raw_qp_param.rate_limit = attr->rate_limit; 30797d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 30807d29f349SBodong Wang } 30817d29f349SBodong Wang 308213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 30830680efa2SAlex Vesker } else { 30841a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 308519098df2Smajd@mellanox.com &base->mqp); 30860680efa2SAlex Vesker } 30870680efa2SAlex Vesker 3088e126ba97SEli Cohen if (err) 3089e126ba97SEli Cohen goto out; 3090e126ba97SEli Cohen 3091e126ba97SEli Cohen qp->state = new_state; 3092e126ba97SEli Cohen 3093e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 309419098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3095e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 309619098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3097e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3098e126ba97SEli Cohen qp->port = attr->port_num; 3099e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 310019098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3101e126ba97SEli Cohen 3102e126ba97SEli Cohen /* 3103e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3104e126ba97SEli Cohen * entries and reinitialize the QP. 3105e126ba97SEli Cohen */ 3106e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 310719098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3108e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3109e126ba97SEli Cohen if (send_cq != recv_cq) 311019098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3111e126ba97SEli Cohen 3112e126ba97SEli Cohen qp->rq.head = 0; 3113e126ba97SEli Cohen qp->rq.tail = 0; 3114e126ba97SEli Cohen qp->sq.head = 0; 3115e126ba97SEli Cohen qp->sq.tail = 0; 3116e126ba97SEli Cohen qp->sq.cur_post = 0; 3117e126ba97SEli Cohen qp->sq.last_poll = 0; 3118e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3119e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3120e126ba97SEli Cohen } 3121e126ba97SEli Cohen 3122e126ba97SEli Cohen out: 31231a412fb1SSaeed Mahameed kfree(context); 3124e126ba97SEli Cohen return err; 3125e126ba97SEli Cohen } 3126e126ba97SEli Cohen 3127e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3128e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3129e126ba97SEli Cohen { 3130e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3131e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 3132d16e91daSHaggai Eran enum ib_qp_type qp_type; 3133e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 3134e126ba97SEli Cohen int err = -EINVAL; 3135e126ba97SEli Cohen int port; 31362811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 3137e126ba97SEli Cohen 313828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 313928d61370SYishai Hadas return -ENOSYS; 314028d61370SYishai Hadas 3141d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3142d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3143d16e91daSHaggai Eran 3144d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3145d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3146d16e91daSHaggai Eran 3147e126ba97SEli Cohen mutex_lock(&qp->mutex); 3148e126ba97SEli Cohen 3149e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3150e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3151e126ba97SEli Cohen 31522811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 31532811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 31542811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 31552811ba51SAchiad Shochat } 31562811ba51SAchiad Shochat 3157c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3158c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3159c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3160c2e53b2cSYishai Hadas attr_mask); 3161c2e53b2cSYishai Hadas goto out; 3162c2e53b2cSYishai Hadas } 3163c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3164d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 3165158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3166158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3167e126ba97SEli Cohen goto out; 3168158abf86SHaggai Eran } 3169e126ba97SEli Cohen 3170e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3171938fe83cSSaeed Mahameed (attr->port_num == 0 || 3172158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 3173158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3174158abf86SHaggai Eran attr->port_num, dev->num_ports); 3175e126ba97SEli Cohen goto out; 3176158abf86SHaggai Eran } 3177e126ba97SEli Cohen 3178e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3179e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3180938fe83cSSaeed Mahameed if (attr->pkey_index >= 3181158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3182158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3183158abf86SHaggai Eran attr->pkey_index); 3184e126ba97SEli Cohen goto out; 3185e126ba97SEli Cohen } 3186158abf86SHaggai Eran } 3187e126ba97SEli Cohen 3188e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3189938fe83cSSaeed Mahameed attr->max_rd_atomic > 3190158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3191158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3192158abf86SHaggai Eran attr->max_rd_atomic); 3193e126ba97SEli Cohen goto out; 3194158abf86SHaggai Eran } 3195e126ba97SEli Cohen 3196e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3197938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3198158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3199158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3200158abf86SHaggai Eran attr->max_dest_rd_atomic); 3201e126ba97SEli Cohen goto out; 3202158abf86SHaggai Eran } 3203e126ba97SEli Cohen 3204e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3205e126ba97SEli Cohen err = 0; 3206e126ba97SEli Cohen goto out; 3207e126ba97SEli Cohen } 3208e126ba97SEli Cohen 3209e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 3210e126ba97SEli Cohen 3211e126ba97SEli Cohen out: 3212e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3213e126ba97SEli Cohen return err; 3214e126ba97SEli Cohen } 3215e126ba97SEli Cohen 3216e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3217e126ba97SEli Cohen { 3218e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3219e126ba97SEli Cohen unsigned cur; 3220e126ba97SEli Cohen 3221e126ba97SEli Cohen cur = wq->head - wq->tail; 3222e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3223e126ba97SEli Cohen return 0; 3224e126ba97SEli Cohen 3225e126ba97SEli Cohen cq = to_mcq(ib_cq); 3226e126ba97SEli Cohen spin_lock(&cq->lock); 3227e126ba97SEli Cohen cur = wq->head - wq->tail; 3228e126ba97SEli Cohen spin_unlock(&cq->lock); 3229e126ba97SEli Cohen 3230e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3231e126ba97SEli Cohen } 3232e126ba97SEli Cohen 3233e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3234e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3235e126ba97SEli Cohen { 3236e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3237e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3238e126ba97SEli Cohen rseg->reserved = 0; 3239e126ba97SEli Cohen } 3240e126ba97SEli Cohen 3241f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 3242f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 3243f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 3244f0313965SErez Shitrit { 3245f0313965SErez Shitrit void *seg = eseg; 3246f0313965SErez Shitrit 3247f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3248f0313965SErez Shitrit 3249f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3250f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3251f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3252f0313965SErez Shitrit 3253f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 3254f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3255f0313965SErez Shitrit 3256f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3257f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 32582b31f7aeSSaeed Mahameed int size_of_inl_hdr_start = sizeof(eseg->inline_hdr.start); 3259f0313965SErez Shitrit u64 left, leftlen, copysz; 3260f0313965SErez Shitrit void *pdata = ud_wr->header; 3261f0313965SErez Shitrit 3262f0313965SErez Shitrit left = ud_wr->hlen; 3263f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 32642b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 3265f0313965SErez Shitrit 3266f0313965SErez Shitrit /* 3267f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 3268f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 3269f0313965SErez Shitrit * rollback and than the copy the left 3270f0313965SErez Shitrit */ 32712b31f7aeSSaeed Mahameed leftlen = qend - (void *)eseg->inline_hdr.start; 3272f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 3273f0313965SErez Shitrit 3274f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 3275f0313965SErez Shitrit 3276f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 3277f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 3278f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 3279f0313965SErez Shitrit } 3280f0313965SErez Shitrit 3281f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 3282f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3283f0313965SErez Shitrit left -= copysz; 3284f0313965SErez Shitrit pdata += copysz; 3285f0313965SErez Shitrit memcpy(seg, pdata, left); 3286f0313965SErez Shitrit seg += ALIGN(left, 16); 3287f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 3288f0313965SErez Shitrit } 3289f0313965SErez Shitrit } 3290f0313965SErez Shitrit 3291f0313965SErez Shitrit return seg; 3292f0313965SErez Shitrit } 3293f0313965SErez Shitrit 3294e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3295e126ba97SEli Cohen struct ib_send_wr *wr) 3296e126ba97SEli Cohen { 3297e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3298e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3299e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3300e126ba97SEli Cohen } 3301e126ba97SEli Cohen 3302e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3303e126ba97SEli Cohen { 3304e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3305e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3306e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3307e126ba97SEli Cohen } 3308e126ba97SEli Cohen 330931616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 3310e126ba97SEli Cohen { 331131616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 331231616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 3313e126ba97SEli Cohen } 3314e126ba97SEli Cohen 3315e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3316e126ba97SEli Cohen { 3317e126ba97SEli Cohen u64 result; 3318e126ba97SEli Cohen 3319e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3320e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3321e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3322e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3323e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3324e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3325e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3326e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3327e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3328e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3329e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3330e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3331e126ba97SEli Cohen 3332e126ba97SEli Cohen return cpu_to_be64(result); 3333e126ba97SEli Cohen } 3334e126ba97SEli Cohen 3335e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3336e6631814SSagi Grimberg { 3337e6631814SSagi Grimberg u64 result; 3338e6631814SSagi Grimberg 3339e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3340e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3341e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3342d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3343e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3344e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3345e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3346e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3347e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3348e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3349e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3350e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3351e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3352e6631814SSagi Grimberg 3353e6631814SSagi Grimberg return cpu_to_be64(result); 3354e6631814SSagi Grimberg } 3355e6631814SSagi Grimberg 33568a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 33578a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 33588a187ee5SSagi Grimberg { 335931616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 33608a187ee5SSagi Grimberg 33618a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3362b005d316SSagi Grimberg 33638a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 336431616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 33658a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 33668a187ee5SSagi Grimberg } 33678a187ee5SSagi Grimberg 3368dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3369e126ba97SEli Cohen { 3370e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3371e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 33722d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3373e126ba97SEli Cohen } 3374e126ba97SEli Cohen 337531616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 3376e126ba97SEli Cohen { 3377968e78ddSHaggai Eran u64 result; 3378e126ba97SEli Cohen 337931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 3380e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3381968e78ddSHaggai Eran 3382968e78ddSHaggai Eran return cpu_to_be64(result); 3383968e78ddSHaggai Eran } 3384968e78ddSHaggai Eran 338531616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 3386968e78ddSHaggai Eran { 3387968e78ddSHaggai Eran u64 result; 3388968e78ddSHaggai Eran 3389968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3390968e78ddSHaggai Eran 3391968e78ddSHaggai Eran return cpu_to_be64(result); 3392968e78ddSHaggai Eran } 3393968e78ddSHaggai Eran 339456e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 339556e11d62SNoa Osherovich { 339656e11d62SNoa Osherovich u64 result; 339756e11d62SNoa Osherovich 339856e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 339956e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 340031616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 340156e11d62SNoa Osherovich 340256e11d62SNoa Osherovich return cpu_to_be64(result); 340356e11d62SNoa Osherovich } 340456e11d62SNoa Osherovich 340531616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 340656e11d62SNoa Osherovich { 340756e11d62SNoa Osherovich u64 result; 340856e11d62SNoa Osherovich 340931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 341031616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 341156e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 341231616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 341331616255SArtemy Kovalyov 341431616255SArtemy Kovalyov if (atomic) 341531616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 341656e11d62SNoa Osherovich 341756e11d62SNoa Osherovich return cpu_to_be64(result); 341856e11d62SNoa Osherovich } 341956e11d62SNoa Osherovich 342056e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 342156e11d62SNoa Osherovich { 342256e11d62SNoa Osherovich u64 result; 342356e11d62SNoa Osherovich 342431616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 342556e11d62SNoa Osherovich 342656e11d62SNoa Osherovich return cpu_to_be64(result); 342756e11d62SNoa Osherovich } 342856e11d62SNoa Osherovich 3429968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3430578e7264SMaor Gottlieb struct ib_send_wr *wr, int atomic) 3431968e78ddSHaggai Eran { 3432e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3433968e78ddSHaggai Eran 3434968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3435968e78ddSHaggai Eran 3436968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3437968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3438968e78ddSHaggai Eran else 3439968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3440968e78ddSHaggai Eran 344131616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 344231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 344331616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 344431616255SArtemy Kovalyov 344531616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 344631616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 3447968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3448968e78ddSHaggai Eran } 344956e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 345056e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 345131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 345231616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 345356e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 3454e126ba97SEli Cohen } 345531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 345631616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 345731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 345831616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 3459e126ba97SEli Cohen 3460e126ba97SEli Cohen if (!wr->num_sge) 3461968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3462e126ba97SEli Cohen } 3463e126ba97SEli Cohen 3464e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3465e126ba97SEli Cohen { 3466e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3467e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3468e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3469e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 34702ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3471e126ba97SEli Cohen } 3472e126ba97SEli Cohen 34738a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 34748a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 34758a187ee5SSagi Grimberg u32 key, int access) 34768a187ee5SSagi Grimberg { 34778a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 34788a187ee5SSagi Grimberg 34798a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3480b005d316SSagi Grimberg 3481ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3482b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3483ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3484b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3485b005d316SSagi Grimberg ndescs *= 2; 3486b005d316SSagi Grimberg 3487b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 34888a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 34898a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 34908a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 34918a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 34928a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 34938a187ee5SSagi Grimberg } 34948a187ee5SSagi Grimberg 3495dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3496e126ba97SEli Cohen { 3497e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3498968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3499e126ba97SEli Cohen } 3500e126ba97SEli Cohen 3501e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3502e126ba97SEli Cohen { 3503e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3504968e78ddSHaggai Eran 3505e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 350631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 3507968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3508e126ba97SEli Cohen 3509968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 351056e11d62SNoa Osherovich if (umrwr->pd) 3511968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 351231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 351331616255SArtemy Kovalyov !umrwr->length) 351431616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 351531616255SArtemy Kovalyov 351631616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 3517968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3518968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3519746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3520968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3521e126ba97SEli Cohen } 3522e126ba97SEli Cohen 35238a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 35248a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 35258a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 35268a187ee5SSagi Grimberg { 35278a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 35288a187ee5SSagi Grimberg 35298a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 35308a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 35318a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 35328a187ee5SSagi Grimberg } 35338a187ee5SSagi Grimberg 3534e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3535e126ba97SEli Cohen { 3536e126ba97SEli Cohen switch (wr->opcode) { 3537e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3538e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3539e126ba97SEli Cohen return wr->ex.imm_data; 3540e126ba97SEli Cohen 3541e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3542e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3543e126ba97SEli Cohen 3544e126ba97SEli Cohen default: 3545e126ba97SEli Cohen return 0; 3546e126ba97SEli Cohen } 3547e126ba97SEli Cohen } 3548e126ba97SEli Cohen 3549e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3550e126ba97SEli Cohen { 3551e126ba97SEli Cohen u8 *p = wqe; 3552e126ba97SEli Cohen u8 res = 0; 3553e126ba97SEli Cohen int i; 3554e126ba97SEli Cohen 3555e126ba97SEli Cohen for (i = 0; i < size; i++) 3556e126ba97SEli Cohen res ^= p[i]; 3557e126ba97SEli Cohen 3558e126ba97SEli Cohen return ~res; 3559e126ba97SEli Cohen } 3560e126ba97SEli Cohen 3561e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3562e126ba97SEli Cohen { 3563e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3564e126ba97SEli Cohen } 3565e126ba97SEli Cohen 3566e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3567e126ba97SEli Cohen void *wqe, int *sz) 3568e126ba97SEli Cohen { 3569e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3570e126ba97SEli Cohen void *qend = qp->sq.qend; 3571e126ba97SEli Cohen void *addr; 3572e126ba97SEli Cohen int inl = 0; 3573e126ba97SEli Cohen int copy; 3574e126ba97SEli Cohen int len; 3575e126ba97SEli Cohen int i; 3576e126ba97SEli Cohen 3577e126ba97SEli Cohen seg = wqe; 3578e126ba97SEli Cohen wqe += sizeof(*seg); 3579e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3580e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3581e126ba97SEli Cohen len = wr->sg_list[i].length; 3582e126ba97SEli Cohen inl += len; 3583e126ba97SEli Cohen 3584e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3585e126ba97SEli Cohen return -ENOMEM; 3586e126ba97SEli Cohen 3587e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3588e126ba97SEli Cohen copy = qend - wqe; 3589e126ba97SEli Cohen memcpy(wqe, addr, copy); 3590e126ba97SEli Cohen addr += copy; 3591e126ba97SEli Cohen len -= copy; 3592e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3593e126ba97SEli Cohen } 3594e126ba97SEli Cohen memcpy(wqe, addr, len); 3595e126ba97SEli Cohen wqe += len; 3596e126ba97SEli Cohen } 3597e126ba97SEli Cohen 3598e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3599e126ba97SEli Cohen 3600e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3601e126ba97SEli Cohen 3602e126ba97SEli Cohen return 0; 3603e126ba97SEli Cohen } 3604e126ba97SEli Cohen 3605e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3606e6631814SSagi Grimberg { 3607e6631814SSagi Grimberg switch (type) { 3608e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3609e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3610e6631814SSagi Grimberg default: 3611e6631814SSagi Grimberg return 0; 3612e6631814SSagi Grimberg } 3613e6631814SSagi Grimberg } 3614e6631814SSagi Grimberg 3615e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3616e6631814SSagi Grimberg { 3617e6631814SSagi Grimberg switch (block_size) { 3618e6631814SSagi Grimberg case 512: return 0x1; 3619e6631814SSagi Grimberg case 520: return 0x2; 3620e6631814SSagi Grimberg case 4096: return 0x3; 3621e6631814SSagi Grimberg case 4160: return 0x4; 3622e6631814SSagi Grimberg case 1073741824: return 0x5; 3623e6631814SSagi Grimberg default: return 0; 3624e6631814SSagi Grimberg } 3625e6631814SSagi Grimberg } 3626e6631814SSagi Grimberg 362778eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3628142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3629e6631814SSagi Grimberg { 3630142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3631142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3632142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3633142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3634142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3635142537f4SSagi Grimberg /* repeating block */ 3636142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3637142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3638142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3639e6631814SSagi Grimberg 364078eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 364178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3642e6631814SSagi Grimberg 364378eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 364478eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 364578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 364678eda2bbSSagi Grimberg else 364778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3648e6631814SSagi Grimberg } 3649e6631814SSagi Grimberg 365078eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 365178eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3652e6631814SSagi Grimberg } 3653e6631814SSagi Grimberg 3654e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3655e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3656e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3657e6631814SSagi Grimberg { 3658e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3659e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3660e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3661e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3662e6631814SSagi Grimberg 3663c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3664e6631814SSagi Grimberg 3665142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3666142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3667e6631814SSagi Grimberg /* Input domain check byte mask */ 3668e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 366978eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 367078eda2bbSSagi Grimberg 367178eda2bbSSagi Grimberg /* Memory domain */ 367278eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 367378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 367478eda2bbSSagi Grimberg break; 367578eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 367678eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 367778eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 367878eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 367978eda2bbSSagi Grimberg break; 368078eda2bbSSagi Grimberg default: 368178eda2bbSSagi Grimberg return -EINVAL; 368278eda2bbSSagi Grimberg } 368378eda2bbSSagi Grimberg 368478eda2bbSSagi Grimberg /* Wire domain */ 368578eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 368678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 368778eda2bbSSagi Grimberg break; 368878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3689e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 369078eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3691e6631814SSagi Grimberg /* Same block structure */ 3692142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3693e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3694fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3695c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3696fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3697c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3698fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3699e6631814SSagi Grimberg } else 3700e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3701e6631814SSagi Grimberg 3702142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 370378eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3704e6631814SSagi Grimberg break; 3705e6631814SSagi Grimberg default: 3706e6631814SSagi Grimberg return -EINVAL; 3707e6631814SSagi Grimberg } 3708e6631814SSagi Grimberg 3709e6631814SSagi Grimberg return 0; 3710e6631814SSagi Grimberg } 3711e6631814SSagi Grimberg 3712e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3713e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3714e6631814SSagi Grimberg { 3715e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3716e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3717e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3718e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3719e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3720e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3721e6631814SSagi Grimberg int ret; 3722e6631814SSagi Grimberg int wqe_size; 3723e6631814SSagi Grimberg 3724e622f2f4SChristoph Hellwig if (!wr->prot || 3725e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3726e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3727e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3728e6631814SSagi Grimberg /** 3729e6631814SSagi Grimberg * Source domain doesn't contain signature information 37305c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3731e6631814SSagi Grimberg * So need construct: 3732e6631814SSagi Grimberg * ------------------ 3733e6631814SSagi Grimberg * | data_klm | 3734e6631814SSagi Grimberg * ------------------ 3735e6631814SSagi Grimberg * | BSF | 3736e6631814SSagi Grimberg * ------------------ 3737e6631814SSagi Grimberg **/ 3738e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3739e6631814SSagi Grimberg 3740e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3741e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3742e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3743e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3744e6631814SSagi Grimberg } else { 3745e6631814SSagi Grimberg /** 3746e6631814SSagi Grimberg * Source domain contains signature information 3747e6631814SSagi Grimberg * So need construct a strided block format: 3748e6631814SSagi Grimberg * --------------------------- 3749e6631814SSagi Grimberg * | stride_block_ctrl | 3750e6631814SSagi Grimberg * --------------------------- 3751e6631814SSagi Grimberg * | data_klm | 3752e6631814SSagi Grimberg * --------------------------- 3753e6631814SSagi Grimberg * | prot_klm | 3754e6631814SSagi Grimberg * --------------------------- 3755e6631814SSagi Grimberg * | BSF | 3756e6631814SSagi Grimberg * --------------------------- 3757e6631814SSagi Grimberg **/ 3758e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3759e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3760e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3761e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3762e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3763e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3764e6631814SSagi Grimberg int prot_size; 3765e6631814SSagi Grimberg 3766e6631814SSagi Grimberg sblock_ctrl = *seg; 3767e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3768e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3769e6631814SSagi Grimberg 3770e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3771e6631814SSagi Grimberg if (!prot_size) { 3772e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3773e6631814SSagi Grimberg return -EINVAL; 3774e6631814SSagi Grimberg } 3775e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3776e6631814SSagi Grimberg prot_size); 3777e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3778e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3779e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3780e6631814SSagi Grimberg 3781e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3782e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3783e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 37845c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 37855c273b16SSagi Grimberg 3786e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3787e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3788e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3789e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 37905c273b16SSagi Grimberg 3791e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3792e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3793e6631814SSagi Grimberg } 3794e6631814SSagi Grimberg 3795e6631814SSagi Grimberg *seg += wqe_size; 3796e6631814SSagi Grimberg *size += wqe_size / 16; 3797e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3798e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3799e6631814SSagi Grimberg 3800e6631814SSagi Grimberg bsf = *seg; 3801e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3802e6631814SSagi Grimberg if (ret) 3803e6631814SSagi Grimberg return -EINVAL; 3804e6631814SSagi Grimberg 3805e6631814SSagi Grimberg *seg += sizeof(*bsf); 3806e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3807e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3808e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3809e6631814SSagi Grimberg 3810e6631814SSagi Grimberg return 0; 3811e6631814SSagi Grimberg } 3812e6631814SSagi Grimberg 3813e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 381431616255SArtemy Kovalyov struct ib_sig_handover_wr *wr, u32 size, 3815e6631814SSagi Grimberg u32 length, u32 pdn) 3816e6631814SSagi Grimberg { 3817e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3818e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3819d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3820e6631814SSagi Grimberg 3821e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3822e6631814SSagi Grimberg 3823e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3824ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3825e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3826d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3827e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3828e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 382931616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 3830e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3831e6631814SSagi Grimberg } 3832e6631814SSagi Grimberg 3833e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 383431616255SArtemy Kovalyov u32 size) 3835e6631814SSagi Grimberg { 3836e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3837e6631814SSagi Grimberg 3838e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 383931616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 3840e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3841e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3842e6631814SSagi Grimberg } 3843e6631814SSagi Grimberg 3844e6631814SSagi Grimberg 3845e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3846e6631814SSagi Grimberg void **seg, int *size) 3847e6631814SSagi Grimberg { 3848e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3849e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3850e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 385131616255SArtemy Kovalyov u32 xlt_size; 3852e6631814SSagi Grimberg int region_len, ret; 3853e6631814SSagi Grimberg 3854e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3855e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3856d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3857d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3858e6631814SSagi Grimberg return -EINVAL; 3859e6631814SSagi Grimberg 3860e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3861e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3862e622f2f4SChristoph Hellwig if (wr->prot && 3863e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3864e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3865e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3866e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3867e6631814SSagi Grimberg 3868e6631814SSagi Grimberg /** 3869e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3870e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3871e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3872e6631814SSagi Grimberg **/ 387331616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 3874e6631814SSagi Grimberg 387531616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 3876e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3877e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3878e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3879e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3880e6631814SSagi Grimberg 388131616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 3882e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3883e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3884e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3885e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3886e6631814SSagi Grimberg 3887e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3888e6631814SSagi Grimberg if (ret) 3889e6631814SSagi Grimberg return ret; 3890e6631814SSagi Grimberg 3891d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3892e6631814SSagi Grimberg return 0; 3893e6631814SSagi Grimberg } 3894e6631814SSagi Grimberg 3895e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3896e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3897e6631814SSagi Grimberg { 3898e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3899e6631814SSagi Grimberg 3900e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3901e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3902e6631814SSagi Grimberg switch (domain->sig_type) { 390378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 390478eda2bbSSagi Grimberg break; 3905e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3906e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3907e6631814SSagi Grimberg domain->sig.dif.app_tag); 3908e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3909e6631814SSagi Grimberg break; 3910e6631814SSagi Grimberg default: 391112bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 391212bbf1eaSLeon Romanovsky domain->sig_type); 391312bbf1eaSLeon Romanovsky return -EINVAL; 3914e6631814SSagi Grimberg } 3915e6631814SSagi Grimberg 391678eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 391778eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 391878eda2bbSSagi Grimberg 3919e6631814SSagi Grimberg return 0; 3920e6631814SSagi Grimberg } 3921e6631814SSagi Grimberg 39228a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 39238a187ee5SSagi Grimberg struct ib_reg_wr *wr, 39248a187ee5SSagi Grimberg void **seg, int *size) 39258a187ee5SSagi Grimberg { 39268a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 39278a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 39288a187ee5SSagi Grimberg 39298a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 39308a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 39318a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 39328a187ee5SSagi Grimberg return -EINVAL; 39338a187ee5SSagi Grimberg } 39348a187ee5SSagi Grimberg 39358a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 39368a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 39378a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 39388a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 39398a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 39408a187ee5SSagi Grimberg 39418a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 39428a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 39438a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 39448a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 39458a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 39468a187ee5SSagi Grimberg 39478a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 39488a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 39498a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 39508a187ee5SSagi Grimberg 39518a187ee5SSagi Grimberg return 0; 39528a187ee5SSagi Grimberg } 39538a187ee5SSagi Grimberg 3954dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3955e126ba97SEli Cohen { 3956dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3957e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3958e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3959e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3960e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3961dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3962e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3963e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3964e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3965e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3966e126ba97SEli Cohen } 3967e126ba97SEli Cohen 3968e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3969e126ba97SEli Cohen { 3970e126ba97SEli Cohen __be32 *p = NULL; 3971e126ba97SEli Cohen int tidx = idx; 3972e126ba97SEli Cohen int i, j; 3973e126ba97SEli Cohen 3974e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3975e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3976e126ba97SEli Cohen if ((i & 0xf) == 0) { 3977e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3978e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3979e126ba97SEli Cohen p = buf; 3980e126ba97SEli Cohen j = 0; 3981e126ba97SEli Cohen } 3982e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3983e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3984e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3985e126ba97SEli Cohen } 3986e126ba97SEli Cohen } 3987e126ba97SEli Cohen 39886e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 39896e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 39906a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 39916e5eadacSSagi Grimberg int *size, int nreq) 39926e5eadacSSagi Grimberg { 3993b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 3994b2a232d2SLeon Romanovsky return -ENOMEM; 39956e5eadacSSagi Grimberg 39966e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 39976e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 39986e5eadacSSagi Grimberg *ctrl = *seg; 39996e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 40006e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 40016e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 40026e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 40036e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 40046e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 40056e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 40066e5eadacSSagi Grimberg 40076e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 40086e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 40096e5eadacSSagi Grimberg 4010b2a232d2SLeon Romanovsky return 0; 40116e5eadacSSagi Grimberg } 40126e5eadacSSagi Grimberg 40136e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 40146e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 40156e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 40166e8484c5SMax Gurtovoy int nreq, u8 fence, u32 mlx5_opcode) 40176e5eadacSSagi Grimberg { 40186e5eadacSSagi Grimberg u8 opmod = 0; 40196e5eadacSSagi Grimberg 40206e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 40216e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 402219098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 40236e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 40246e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 40256e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 40266e5eadacSSagi Grimberg 40276e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 40286e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 40296e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 40306e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 40316e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 40326e5eadacSSagi Grimberg } 40336e5eadacSSagi Grimberg 40346e5eadacSSagi Grimberg 4035e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 4036e126ba97SEli Cohen struct ib_send_wr **bad_wr) 4037e126ba97SEli Cohen { 4038e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 4039e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 404089ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4041d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 4042e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 4043e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 4044e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 4045d16e91daSHaggai Eran struct mlx5_bf *bf; 4046e126ba97SEli Cohen int uninitialized_var(size); 4047d16e91daSHaggai Eran void *qend; 4048e126ba97SEli Cohen unsigned long flags; 4049e126ba97SEli Cohen unsigned idx; 4050e126ba97SEli Cohen int err = 0; 4051e126ba97SEli Cohen int num_sge; 4052e126ba97SEli Cohen void *seg; 4053e126ba97SEli Cohen int nreq; 4054e126ba97SEli Cohen int i; 4055e126ba97SEli Cohen u8 next_fence = 0; 4056e126ba97SEli Cohen u8 fence; 4057e126ba97SEli Cohen 4058d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4059d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 4060d16e91daSHaggai Eran 4061d16e91daSHaggai Eran qp = to_mqp(ibqp); 40625fe9dec0SEli Cohen bf = &qp->bf; 4063d16e91daSHaggai Eran qend = qp->sq.qend; 4064d16e91daSHaggai Eran 4065e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 4066e126ba97SEli Cohen 406789ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 406889ea94a7SMaor Gottlieb err = -EIO; 406989ea94a7SMaor Gottlieb *bad_wr = wr; 407089ea94a7SMaor Gottlieb nreq = 0; 407189ea94a7SMaor Gottlieb goto out; 407289ea94a7SMaor Gottlieb } 407389ea94a7SMaor Gottlieb 4074e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4075a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 4076e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4077e126ba97SEli Cohen err = -EINVAL; 4078e126ba97SEli Cohen *bad_wr = wr; 4079e126ba97SEli Cohen goto out; 4080e126ba97SEli Cohen } 4081e126ba97SEli Cohen 4082e126ba97SEli Cohen num_sge = wr->num_sge; 4083e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 4084e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 408524be409bSChuck Lever err = -EINVAL; 4086e126ba97SEli Cohen *bad_wr = wr; 4087e126ba97SEli Cohen goto out; 4088e126ba97SEli Cohen } 4089e126ba97SEli Cohen 40906e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 40916e5eadacSSagi Grimberg if (err) { 40926e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 40936e5eadacSSagi Grimberg err = -ENOMEM; 40946e5eadacSSagi Grimberg *bad_wr = wr; 40956e5eadacSSagi Grimberg goto out; 40966e5eadacSSagi Grimberg } 4097e126ba97SEli Cohen 40986e8484c5SMax Gurtovoy if (wr->opcode == IB_WR_LOCAL_INV || 40996e8484c5SMax Gurtovoy wr->opcode == IB_WR_REG_MR) { 41006e8484c5SMax Gurtovoy fence = dev->umr_fence; 41016e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 41026e8484c5SMax Gurtovoy } else if (wr->send_flags & IB_SEND_FENCE) { 41036e8484c5SMax Gurtovoy if (qp->next_fence) 41046e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 41056e8484c5SMax Gurtovoy else 41066e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 41076e8484c5SMax Gurtovoy } else { 41086e8484c5SMax Gurtovoy fence = qp->next_fence; 41096e8484c5SMax Gurtovoy } 41106e8484c5SMax Gurtovoy 4111e126ba97SEli Cohen switch (ibqp->qp_type) { 4112e126ba97SEli Cohen case IB_QPT_XRC_INI: 4113e126ba97SEli Cohen xrc = seg; 4114e126ba97SEli Cohen seg += sizeof(*xrc); 4115e126ba97SEli Cohen size += sizeof(*xrc) / 16; 4116e126ba97SEli Cohen /* fall through */ 4117e126ba97SEli Cohen case IB_QPT_RC: 4118e126ba97SEli Cohen switch (wr->opcode) { 4119e126ba97SEli Cohen case IB_WR_RDMA_READ: 4120e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4121e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4122e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4123e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4124e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4125e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4126e126ba97SEli Cohen break; 4127e126ba97SEli Cohen 4128e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 4129e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 4130e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 413181bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 413281bea28fSEli Cohen err = -ENOSYS; 413381bea28fSEli Cohen *bad_wr = wr; 413481bea28fSEli Cohen goto out; 4135e126ba97SEli Cohen 4136e126ba97SEli Cohen case IB_WR_LOCAL_INV: 4137e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 4138e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 4139dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 4140e126ba97SEli Cohen num_sge = 0; 4141e126ba97SEli Cohen break; 4142e126ba97SEli Cohen 41438a187ee5SSagi Grimberg case IB_WR_REG_MR: 41448a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 41458a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 41468a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 41478a187ee5SSagi Grimberg if (err) { 41488a187ee5SSagi Grimberg *bad_wr = wr; 41498a187ee5SSagi Grimberg goto out; 41508a187ee5SSagi Grimberg } 41518a187ee5SSagi Grimberg num_sge = 0; 41528a187ee5SSagi Grimberg break; 41538a187ee5SSagi Grimberg 4154e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4155e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4156e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4157e6631814SSagi Grimberg 4158e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 4159e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 4160e6631814SSagi Grimberg if (err) { 4161e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4162e6631814SSagi Grimberg *bad_wr = wr; 4163e6631814SSagi Grimberg goto out; 4164e6631814SSagi Grimberg } 4165e6631814SSagi Grimberg 41666e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 41676e8484c5SMax Gurtovoy fence, MLX5_OPCODE_UMR); 4168e6631814SSagi Grimberg /* 4169e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4170e6631814SSagi Grimberg * on error 4171e6631814SSagi Grimberg */ 4172e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 4173e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 4174e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4175e6631814SSagi Grimberg &idx, &size, nreq); 4176e6631814SSagi Grimberg if (err) { 4177e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4178e6631814SSagi Grimberg err = -ENOMEM; 4179e6631814SSagi Grimberg *bad_wr = wr; 4180e6631814SSagi Grimberg goto out; 4181e6631814SSagi Grimberg } 4182e6631814SSagi Grimberg 4183e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4184e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4185e6631814SSagi Grimberg &size); 4186e6631814SSagi Grimberg if (err) { 4187e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4188e6631814SSagi Grimberg *bad_wr = wr; 4189e6631814SSagi Grimberg goto out; 4190e6631814SSagi Grimberg } 4191e6631814SSagi Grimberg 41926e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 41936e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 4194e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4195e6631814SSagi Grimberg &idx, &size, nreq); 4196e6631814SSagi Grimberg if (err) { 4197e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4198e6631814SSagi Grimberg err = -ENOMEM; 4199e6631814SSagi Grimberg *bad_wr = wr; 4200e6631814SSagi Grimberg goto out; 4201e6631814SSagi Grimberg } 4202e6631814SSagi Grimberg 4203e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4204e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4205e6631814SSagi Grimberg &size); 4206e6631814SSagi Grimberg if (err) { 4207e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4208e6631814SSagi Grimberg *bad_wr = wr; 4209e6631814SSagi Grimberg goto out; 4210e6631814SSagi Grimberg } 4211e6631814SSagi Grimberg 42126e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 42136e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 42146e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4215e6631814SSagi Grimberg num_sge = 0; 4216e6631814SSagi Grimberg goto skip_psv; 4217e6631814SSagi Grimberg 4218e126ba97SEli Cohen default: 4219e126ba97SEli Cohen break; 4220e126ba97SEli Cohen } 4221e126ba97SEli Cohen break; 4222e126ba97SEli Cohen 4223e126ba97SEli Cohen case IB_QPT_UC: 4224e126ba97SEli Cohen switch (wr->opcode) { 4225e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4226e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4227e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4228e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4229e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4230e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4231e126ba97SEli Cohen break; 4232e126ba97SEli Cohen 4233e126ba97SEli Cohen default: 4234e126ba97SEli Cohen break; 4235e126ba97SEli Cohen } 4236e126ba97SEli Cohen break; 4237e126ba97SEli Cohen 4238e126ba97SEli Cohen case IB_QPT_SMI: 42391e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 42401e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 42411e0e50b6SMaor Gottlieb err = -EPERM; 42421e0e50b6SMaor Gottlieb *bad_wr = wr; 42431e0e50b6SMaor Gottlieb goto out; 42441e0e50b6SMaor Gottlieb } 4245f6b1ee34SBart Van Assche /* fall through */ 4246d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4247e126ba97SEli Cohen set_datagram_seg(seg, wr); 4248e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4249e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4250e126ba97SEli Cohen if (unlikely((seg == qend))) 4251e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4252e126ba97SEli Cohen break; 4253f0313965SErez Shitrit case IB_QPT_UD: 4254f0313965SErez Shitrit set_datagram_seg(seg, wr); 4255f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4256f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4257e126ba97SEli Cohen 4258f0313965SErez Shitrit if (unlikely((seg == qend))) 4259f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4260f0313965SErez Shitrit 4261f0313965SErez Shitrit /* handle qp that supports ud offload */ 4262f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4263f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4264f0313965SErez Shitrit 4265f0313965SErez Shitrit pad = seg; 4266f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4267f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4268f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 4269f0313965SErez Shitrit 4270f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 4271f0313965SErez Shitrit 4272f0313965SErez Shitrit if (unlikely((seg == qend))) 4273f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4274f0313965SErez Shitrit } 4275f0313965SErez Shitrit break; 4276e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4277e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4278e126ba97SEli Cohen err = -EINVAL; 4279e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4280e126ba97SEli Cohen goto out; 4281e126ba97SEli Cohen } 4282e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4283e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4284578e7264SMaor Gottlieb set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4285e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4286e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4287e126ba97SEli Cohen if (unlikely((seg == qend))) 4288e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4289e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4290e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4291e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 4292e126ba97SEli Cohen if (unlikely((seg == qend))) 4293e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4294e126ba97SEli Cohen break; 4295e126ba97SEli Cohen 4296e126ba97SEli Cohen default: 4297e126ba97SEli Cohen break; 4298e126ba97SEli Cohen } 4299e126ba97SEli Cohen 4300e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 4301e126ba97SEli Cohen int uninitialized_var(sz); 4302e126ba97SEli Cohen 4303e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 4304e126ba97SEli Cohen if (unlikely(err)) { 4305e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4306e126ba97SEli Cohen *bad_wr = wr; 4307e126ba97SEli Cohen goto out; 4308e126ba97SEli Cohen } 4309e126ba97SEli Cohen size += sz; 4310e126ba97SEli Cohen } else { 4311e126ba97SEli Cohen dpseg = seg; 4312e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4313e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4314e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4315e126ba97SEli Cohen dpseg = seg; 4316e126ba97SEli Cohen } 4317e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4318e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4319e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4320e126ba97SEli Cohen dpseg++; 4321e126ba97SEli Cohen } 4322e126ba97SEli Cohen } 4323e126ba97SEli Cohen } 4324e126ba97SEli Cohen 43256e8484c5SMax Gurtovoy qp->next_fence = next_fence; 43266e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, 43276e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4328e6631814SSagi Grimberg skip_psv: 4329e126ba97SEli Cohen if (0) 4330e126ba97SEli Cohen dump_wqe(qp, idx, size); 4331e126ba97SEli Cohen } 4332e126ba97SEli Cohen 4333e126ba97SEli Cohen out: 4334e126ba97SEli Cohen if (likely(nreq)) { 4335e126ba97SEli Cohen qp->sq.head += nreq; 4336e126ba97SEli Cohen 4337e126ba97SEli Cohen /* Make sure that descriptors are written before 4338e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4339e126ba97SEli Cohen */ 4340e126ba97SEli Cohen wmb(); 4341e126ba97SEli Cohen 4342e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4343e126ba97SEli Cohen 4344ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4345ada388f7SEli Cohen * we hit doorbell */ 4346ada388f7SEli Cohen wmb(); 4347ada388f7SEli Cohen 43485fe9dec0SEli Cohen /* currently we support only regular doorbells */ 43495fe9dec0SEli Cohen mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); 4350e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4351e126ba97SEli Cohen * and reach the HCA out of order. 4352e126ba97SEli Cohen */ 4353e126ba97SEli Cohen mmiowb(); 4354e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4355e126ba97SEli Cohen } 4356e126ba97SEli Cohen 4357e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4358e126ba97SEli Cohen 4359e126ba97SEli Cohen return err; 4360e126ba97SEli Cohen } 4361e126ba97SEli Cohen 4362e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4363e126ba97SEli Cohen { 4364e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4365e126ba97SEli Cohen } 4366e126ba97SEli Cohen 4367e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4368e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4369e126ba97SEli Cohen { 4370e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4371e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4372e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 437389ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 437489ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4375e126ba97SEli Cohen unsigned long flags; 4376e126ba97SEli Cohen int err = 0; 4377e126ba97SEli Cohen int nreq; 4378e126ba97SEli Cohen int ind; 4379e126ba97SEli Cohen int i; 4380e126ba97SEli Cohen 4381d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4382d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4383d16e91daSHaggai Eran 4384e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4385e126ba97SEli Cohen 438689ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 438789ea94a7SMaor Gottlieb err = -EIO; 438889ea94a7SMaor Gottlieb *bad_wr = wr; 438989ea94a7SMaor Gottlieb nreq = 0; 439089ea94a7SMaor Gottlieb goto out; 439189ea94a7SMaor Gottlieb } 439289ea94a7SMaor Gottlieb 4393e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4394e126ba97SEli Cohen 4395e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4396e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4397e126ba97SEli Cohen err = -ENOMEM; 4398e126ba97SEli Cohen *bad_wr = wr; 4399e126ba97SEli Cohen goto out; 4400e126ba97SEli Cohen } 4401e126ba97SEli Cohen 4402e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4403e126ba97SEli Cohen err = -EINVAL; 4404e126ba97SEli Cohen *bad_wr = wr; 4405e126ba97SEli Cohen goto out; 4406e126ba97SEli Cohen } 4407e126ba97SEli Cohen 4408e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4409e126ba97SEli Cohen if (qp->wq_sig) 4410e126ba97SEli Cohen scat++; 4411e126ba97SEli Cohen 4412e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4413e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4414e126ba97SEli Cohen 4415e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4416e126ba97SEli Cohen scat[i].byte_count = 0; 4417e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4418e126ba97SEli Cohen scat[i].addr = 0; 4419e126ba97SEli Cohen } 4420e126ba97SEli Cohen 4421e126ba97SEli Cohen if (qp->wq_sig) { 4422e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4423e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4424e126ba97SEli Cohen } 4425e126ba97SEli Cohen 4426e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4427e126ba97SEli Cohen 4428e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4429e126ba97SEli Cohen } 4430e126ba97SEli Cohen 4431e126ba97SEli Cohen out: 4432e126ba97SEli Cohen if (likely(nreq)) { 4433e126ba97SEli Cohen qp->rq.head += nreq; 4434e126ba97SEli Cohen 4435e126ba97SEli Cohen /* Make sure that descriptors are written before 4436e126ba97SEli Cohen * doorbell record. 4437e126ba97SEli Cohen */ 4438e126ba97SEli Cohen wmb(); 4439e126ba97SEli Cohen 4440e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4441e126ba97SEli Cohen } 4442e126ba97SEli Cohen 4443e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4444e126ba97SEli Cohen 4445e126ba97SEli Cohen return err; 4446e126ba97SEli Cohen } 4447e126ba97SEli Cohen 4448e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4449e126ba97SEli Cohen { 4450e126ba97SEli Cohen switch (mlx5_state) { 4451e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4452e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4453e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4454e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4455e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4456e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4457e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4458e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4459e126ba97SEli Cohen default: return -1; 4460e126ba97SEli Cohen } 4461e126ba97SEli Cohen } 4462e126ba97SEli Cohen 4463e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4464e126ba97SEli Cohen { 4465e126ba97SEli Cohen switch (mlx5_mig_state) { 4466e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4467e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4468e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4469e126ba97SEli Cohen default: return -1; 4470e126ba97SEli Cohen } 4471e126ba97SEli Cohen } 4472e126ba97SEli Cohen 4473e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4474e126ba97SEli Cohen { 4475e126ba97SEli Cohen int ib_flags = 0; 4476e126ba97SEli Cohen 4477e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4478e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4479e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4480e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4481e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4482e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4483e126ba97SEli Cohen 4484e126ba97SEli Cohen return ib_flags; 4485e126ba97SEli Cohen } 4486e126ba97SEli Cohen 448738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 4488d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 4489e126ba97SEli Cohen struct mlx5_qp_path *path) 4490e126ba97SEli Cohen { 44919603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4492e126ba97SEli Cohen 4493d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4494e126ba97SEli Cohen 449544c58487SDasaratharaman Chandramouli ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 4496d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4497d8966fcdSDasaratharaman Chandramouli if (rdma_ah_get_port_num(ah_attr) == 0 || 4498d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(ah_attr) > MLX5_CAP_GEN(dev, num_ports)) 4499e126ba97SEli Cohen return; 4500e126ba97SEli Cohen 4501d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4502d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 4503e126ba97SEli Cohen 4504d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 4505d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 4506d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 4507d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 4508d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 4509d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 4510d8966fcdSDasaratharaman Chandramouli 4511d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 4512d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 4513d8966fcdSDasaratharaman Chandramouli path->mgid_index, 4514d8966fcdSDasaratharaman Chandramouli path->hop_limit, 4515d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 4516d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 4517e126ba97SEli Cohen } 4518e126ba97SEli Cohen } 4519e126ba97SEli Cohen 45206d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 45216d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 45226d2f89dfSmajd@mellanox.com u8 *sq_state) 4523e126ba97SEli Cohen { 45246d2f89dfSmajd@mellanox.com void *out; 45256d2f89dfSmajd@mellanox.com void *sqc; 45266d2f89dfSmajd@mellanox.com int inlen; 45276d2f89dfSmajd@mellanox.com int err; 45286d2f89dfSmajd@mellanox.com 45296d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 45301b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 45316d2f89dfSmajd@mellanox.com if (!out) 45326d2f89dfSmajd@mellanox.com return -ENOMEM; 45336d2f89dfSmajd@mellanox.com 45346d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 45356d2f89dfSmajd@mellanox.com if (err) 45366d2f89dfSmajd@mellanox.com goto out; 45376d2f89dfSmajd@mellanox.com 45386d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 45396d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 45406d2f89dfSmajd@mellanox.com sq->state = *sq_state; 45416d2f89dfSmajd@mellanox.com 45426d2f89dfSmajd@mellanox.com out: 45436d2f89dfSmajd@mellanox.com kvfree(out); 45446d2f89dfSmajd@mellanox.com return err; 45456d2f89dfSmajd@mellanox.com } 45466d2f89dfSmajd@mellanox.com 45476d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 45486d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 45496d2f89dfSmajd@mellanox.com u8 *rq_state) 45506d2f89dfSmajd@mellanox.com { 45516d2f89dfSmajd@mellanox.com void *out; 45526d2f89dfSmajd@mellanox.com void *rqc; 45536d2f89dfSmajd@mellanox.com int inlen; 45546d2f89dfSmajd@mellanox.com int err; 45556d2f89dfSmajd@mellanox.com 45566d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 45571b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 45586d2f89dfSmajd@mellanox.com if (!out) 45596d2f89dfSmajd@mellanox.com return -ENOMEM; 45606d2f89dfSmajd@mellanox.com 45616d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 45626d2f89dfSmajd@mellanox.com if (err) 45636d2f89dfSmajd@mellanox.com goto out; 45646d2f89dfSmajd@mellanox.com 45656d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 45666d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 45676d2f89dfSmajd@mellanox.com rq->state = *rq_state; 45686d2f89dfSmajd@mellanox.com 45696d2f89dfSmajd@mellanox.com out: 45706d2f89dfSmajd@mellanox.com kvfree(out); 45716d2f89dfSmajd@mellanox.com return err; 45726d2f89dfSmajd@mellanox.com } 45736d2f89dfSmajd@mellanox.com 45746d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 45756d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 45766d2f89dfSmajd@mellanox.com { 45776d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 45786d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 45796d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 45806d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45816d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 45826d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 45836d2f89dfSmajd@mellanox.com }, 45846d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 45856d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 45866d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45876d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 45886d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 45896d2f89dfSmajd@mellanox.com }, 45906d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 45916d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 45926d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 45936d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 45946d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 45956d2f89dfSmajd@mellanox.com }, 45966d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 45976d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 45986d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 45996d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 46006d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 46016d2f89dfSmajd@mellanox.com }, 46026d2f89dfSmajd@mellanox.com }; 46036d2f89dfSmajd@mellanox.com 46046d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 46056d2f89dfSmajd@mellanox.com 46066d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 46076d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 46086d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 46096d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 46106d2f89dfSmajd@mellanox.com return -EINVAL; 46116d2f89dfSmajd@mellanox.com } 46126d2f89dfSmajd@mellanox.com 46136d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 46146d2f89dfSmajd@mellanox.com *qp_state = qp->state; 46156d2f89dfSmajd@mellanox.com 46166d2f89dfSmajd@mellanox.com return 0; 46176d2f89dfSmajd@mellanox.com } 46186d2f89dfSmajd@mellanox.com 46196d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 46206d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 46216d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 46226d2f89dfSmajd@mellanox.com { 46236d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 46246d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 46256d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 46266d2f89dfSmajd@mellanox.com int err; 46276d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 46286d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 46296d2f89dfSmajd@mellanox.com 46306d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 46316d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 46326d2f89dfSmajd@mellanox.com if (err) 46336d2f89dfSmajd@mellanox.com return err; 46346d2f89dfSmajd@mellanox.com } 46356d2f89dfSmajd@mellanox.com 46366d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 46376d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 46386d2f89dfSmajd@mellanox.com if (err) 46396d2f89dfSmajd@mellanox.com return err; 46406d2f89dfSmajd@mellanox.com } 46416d2f89dfSmajd@mellanox.com 46426d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 46436d2f89dfSmajd@mellanox.com raw_packet_qp_state); 46446d2f89dfSmajd@mellanox.com } 46456d2f89dfSmajd@mellanox.com 46466d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 46476d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 46486d2f89dfSmajd@mellanox.com { 464909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4650e126ba97SEli Cohen struct mlx5_qp_context *context; 4651e126ba97SEli Cohen int mlx5_state; 465209a7d9ecSSaeed Mahameed u32 *outb; 4653e126ba97SEli Cohen int err = 0; 4654e126ba97SEli Cohen 465509a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 46566d2f89dfSmajd@mellanox.com if (!outb) 46576d2f89dfSmajd@mellanox.com return -ENOMEM; 46586d2f89dfSmajd@mellanox.com 465919098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 466009a7d9ecSSaeed Mahameed outlen); 4661e126ba97SEli Cohen if (err) 46626d2f89dfSmajd@mellanox.com goto out; 4663e126ba97SEli Cohen 466409a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 466509a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 466609a7d9ecSSaeed Mahameed 4667e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4668e126ba97SEli Cohen 4669e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4670e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4671e126ba97SEli Cohen qp_attr->path_mig_state = 4672e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4673e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4674e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4675e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4676e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4677e126ba97SEli Cohen qp_attr->qp_access_flags = 4678e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4679e126ba97SEli Cohen 4680e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 468138349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 468238349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4683d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4684d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4685d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 4686d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 4687e126ba97SEli Cohen } 4688e126ba97SEli Cohen 4689d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4690e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4691e126ba97SEli Cohen 4692e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4693e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4694e126ba97SEli Cohen 4695e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4696e126ba97SEli Cohen 4697e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4698e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4699e126ba97SEli Cohen qp_attr->min_rnr_timer = 4700e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4701e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4702e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4703e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4704e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 47056d2f89dfSmajd@mellanox.com 47066d2f89dfSmajd@mellanox.com out: 47076d2f89dfSmajd@mellanox.com kfree(outb); 47086d2f89dfSmajd@mellanox.com return err; 47096d2f89dfSmajd@mellanox.com } 47106d2f89dfSmajd@mellanox.com 47116d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 47126d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 47136d2f89dfSmajd@mellanox.com { 47146d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 47156d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 47166d2f89dfSmajd@mellanox.com int err = 0; 47176d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 47186d2f89dfSmajd@mellanox.com 471928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 472028d61370SYishai Hadas return -ENOSYS; 472128d61370SYishai Hadas 4722d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4723d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4724d16e91daSHaggai Eran qp_init_attr); 4725d16e91daSHaggai Eran 4726c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4727c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4728c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4729c2e53b2cSYishai Hadas 47306d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 47316d2f89dfSmajd@mellanox.com 4732c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 4733c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 47346d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 47356d2f89dfSmajd@mellanox.com if (err) 47366d2f89dfSmajd@mellanox.com goto out; 47376d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 47386d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 47396d2f89dfSmajd@mellanox.com } else { 47406d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 47416d2f89dfSmajd@mellanox.com if (err) 47426d2f89dfSmajd@mellanox.com goto out; 47436d2f89dfSmajd@mellanox.com } 47446d2f89dfSmajd@mellanox.com 47456d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4746e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4747e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4748e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4749e126ba97SEli Cohen 4750e126ba97SEli Cohen if (!ibqp->uobject) { 47510540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4752e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 47530540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4754e126ba97SEli Cohen } else { 4755e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4756e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4757e126ba97SEli Cohen } 4758e126ba97SEli Cohen 47590540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 47600540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 47610540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 47620540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 47630540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4764e126ba97SEli Cohen 4765e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4766e126ba97SEli Cohen 4767e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4768e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4769e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4770e126ba97SEli Cohen 4771051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4772051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4773051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4774051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4775051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4776051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4777b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4778b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4779051f2630SLeon Romanovsky 4780e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4781e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4782e126ba97SEli Cohen 4783e126ba97SEli Cohen out: 4784e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4785e126ba97SEli Cohen return err; 4786e126ba97SEli Cohen } 4787e126ba97SEli Cohen 4788e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4789e126ba97SEli Cohen struct ib_ucontext *context, 4790e126ba97SEli Cohen struct ib_udata *udata) 4791e126ba97SEli Cohen { 4792e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4793e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4794e126ba97SEli Cohen int err; 4795e126ba97SEli Cohen 4796938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4797e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4798e126ba97SEli Cohen 4799e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4800e126ba97SEli Cohen if (!xrcd) 4801e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4802e126ba97SEli Cohen 48039603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4804e126ba97SEli Cohen if (err) { 4805e126ba97SEli Cohen kfree(xrcd); 4806e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4807e126ba97SEli Cohen } 4808e126ba97SEli Cohen 4809e126ba97SEli Cohen return &xrcd->ibxrcd; 4810e126ba97SEli Cohen } 4811e126ba97SEli Cohen 4812e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4813e126ba97SEli Cohen { 4814e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4815e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4816e126ba97SEli Cohen int err; 4817e126ba97SEli Cohen 48189603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4819e126ba97SEli Cohen if (err) { 4820e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4821e126ba97SEli Cohen return err; 4822e126ba97SEli Cohen } 4823e126ba97SEli Cohen 4824e126ba97SEli Cohen kfree(xrcd); 4825e126ba97SEli Cohen 4826e126ba97SEli Cohen return 0; 4827e126ba97SEli Cohen } 482879b20a6cSYishai Hadas 4829350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4830350d0e4cSYishai Hadas { 4831350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4832350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4833350d0e4cSYishai Hadas struct ib_event event; 4834350d0e4cSYishai Hadas 4835350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4836350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4837350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4838350d0e4cSYishai Hadas switch (type) { 4839350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4840350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4841350d0e4cSYishai Hadas break; 4842350d0e4cSYishai Hadas default: 4843350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4844350d0e4cSYishai Hadas return; 4845350d0e4cSYishai Hadas } 4846350d0e4cSYishai Hadas 4847350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4848350d0e4cSYishai Hadas } 4849350d0e4cSYishai Hadas } 4850350d0e4cSYishai Hadas 485103404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 485203404e8aSMaor Gottlieb { 485303404e8aSMaor Gottlieb int err = 0; 485403404e8aSMaor Gottlieb 485503404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 485603404e8aSMaor Gottlieb if (dev->delay_drop.activate) 485703404e8aSMaor Gottlieb goto out; 485803404e8aSMaor Gottlieb 485903404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 486003404e8aSMaor Gottlieb if (err) 486103404e8aSMaor Gottlieb goto out; 486203404e8aSMaor Gottlieb 486303404e8aSMaor Gottlieb dev->delay_drop.activate = true; 486403404e8aSMaor Gottlieb out: 486503404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4866fe248c3aSMaor Gottlieb 4867fe248c3aSMaor Gottlieb if (!err) 4868fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 486903404e8aSMaor Gottlieb return err; 487003404e8aSMaor Gottlieb } 487103404e8aSMaor Gottlieb 487279b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 487379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 487479b20a6cSYishai Hadas { 487579b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 48764be6da1eSNoa Osherovich int has_net_offloads; 487779b20a6cSYishai Hadas __be64 *rq_pas0; 487879b20a6cSYishai Hadas void *in; 487979b20a6cSYishai Hadas void *rqc; 488079b20a6cSYishai Hadas void *wq; 488179b20a6cSYishai Hadas int inlen; 488279b20a6cSYishai Hadas int err; 488379b20a6cSYishai Hadas 488479b20a6cSYishai Hadas dev = to_mdev(pd->device); 488579b20a6cSYishai Hadas 488679b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 48871b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 488879b20a6cSYishai Hadas if (!in) 488979b20a6cSYishai Hadas return -ENOMEM; 489079b20a6cSYishai Hadas 489179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 489279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 489379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 489479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 489579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 489679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 489779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 489879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4899ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4900ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4901ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 4902b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 4903b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 4904b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 4905b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 4906b1383aa6SNoa Osherovich goto out; 4907b1383aa6SNoa Osherovich } else { 490879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 4909b1383aa6SNoa Osherovich } 4910b1383aa6SNoa Osherovich } 491179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4912ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4913ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4914ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4915ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4916ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4917ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 4918ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 4919ccc87087SNoa Osherovich } 492079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 492179b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 492279b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 492379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 492479b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 492579b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 49264be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4927b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 49284be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4929b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4930b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4931b1f74a84SNoa Osherovich goto out; 4932b1f74a84SNoa Osherovich } 4933b1f74a84SNoa Osherovich } else { 4934b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4935b1f74a84SNoa Osherovich } 49364be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 49374be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 49384be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 49394be6da1eSNoa Osherovich err = -EOPNOTSUPP; 49404be6da1eSNoa Osherovich goto out; 49414be6da1eSNoa Osherovich } 49424be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 49434be6da1eSNoa Osherovich } 494403404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 494503404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 494603404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 494703404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 494803404e8aSMaor Gottlieb err = -EOPNOTSUPP; 494903404e8aSMaor Gottlieb goto out; 495003404e8aSMaor Gottlieb } 495103404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 495203404e8aSMaor Gottlieb } 495379b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 495479b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4955350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 495603404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 495703404e8aSMaor Gottlieb err = set_delay_drop(dev); 495803404e8aSMaor Gottlieb if (err) { 495903404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 496003404e8aSMaor Gottlieb err); 496103404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 496203404e8aSMaor Gottlieb } else { 496303404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 496403404e8aSMaor Gottlieb } 496503404e8aSMaor Gottlieb } 4966b1f74a84SNoa Osherovich out: 496779b20a6cSYishai Hadas kvfree(in); 496879b20a6cSYishai Hadas return err; 496979b20a6cSYishai Hadas } 497079b20a6cSYishai Hadas 497179b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 497279b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 497379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 497479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 497579b20a6cSYishai Hadas { 497679b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 497779b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 497879b20a6cSYishai Hadas return -EINVAL; 497979b20a6cSYishai Hadas 498079b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 498179b20a6cSYishai Hadas return -EINVAL; 498279b20a6cSYishai Hadas 498379b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 498479b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 498579b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 498679b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 498779b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 498879b20a6cSYishai Hadas return 0; 498979b20a6cSYishai Hadas } 499079b20a6cSYishai Hadas 499179b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 499279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 499379b20a6cSYishai Hadas struct ib_udata *udata, 499479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 499579b20a6cSYishai Hadas { 499679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 499779b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 499879b20a6cSYishai Hadas int err; 499979b20a6cSYishai Hadas size_t required_cmd_sz; 500079b20a6cSYishai Hadas 5001ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 5002ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 500379b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 500479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 500579b20a6cSYishai Hadas return -EINVAL; 500679b20a6cSYishai Hadas } 500779b20a6cSYishai Hadas 500879b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 500979b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 501079b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 501179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 501279b20a6cSYishai Hadas return -EOPNOTSUPP; 501379b20a6cSYishai Hadas } 501479b20a6cSYishai Hadas 501579b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 501679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 501779b20a6cSYishai Hadas return -EFAULT; 501879b20a6cSYishai Hadas } 501979b20a6cSYishai Hadas 5020ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 502179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 502279b20a6cSYishai Hadas return -EOPNOTSUPP; 5023ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5024ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5025ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 502679b20a6cSYishai Hadas return -EOPNOTSUPP; 502779b20a6cSYishai Hadas } 5028ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5029ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5030ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5031ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5032ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5033ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5034ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5035ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5036ccc87087SNoa Osherovich return -EINVAL; 5037ccc87087SNoa Osherovich } 5038ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 5039ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5040ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 5041ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 5042ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 5043ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5044ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5045ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5046ccc87087SNoa Osherovich return -EINVAL; 5047ccc87087SNoa Osherovich } 5048ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5049ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5050ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5051ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5052ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5053ccc87087SNoa Osherovich } 505479b20a6cSYishai Hadas 505579b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 505679b20a6cSYishai Hadas if (err) { 505779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 505879b20a6cSYishai Hadas return err; 505979b20a6cSYishai Hadas } 506079b20a6cSYishai Hadas 506179b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 506279b20a6cSYishai Hadas if (err) { 506379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 506479b20a6cSYishai Hadas if (err) 506579b20a6cSYishai Hadas return err; 506679b20a6cSYishai Hadas } 506779b20a6cSYishai Hadas 506879b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 506979b20a6cSYishai Hadas return 0; 507079b20a6cSYishai Hadas } 507179b20a6cSYishai Hadas 507279b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 507379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 507479b20a6cSYishai Hadas struct ib_udata *udata) 507579b20a6cSYishai Hadas { 507679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 507779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 507879b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 507979b20a6cSYishai Hadas size_t min_resp_len; 508079b20a6cSYishai Hadas int err; 508179b20a6cSYishai Hadas 508279b20a6cSYishai Hadas if (!udata) 508379b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 508479b20a6cSYishai Hadas 508579b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 508679b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 508779b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 508879b20a6cSYishai Hadas 508979b20a6cSYishai Hadas dev = to_mdev(pd->device); 509079b20a6cSYishai Hadas switch (init_attr->wq_type) { 509179b20a6cSYishai Hadas case IB_WQT_RQ: 509279b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 509379b20a6cSYishai Hadas if (!rwq) 509479b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 509579b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 509679b20a6cSYishai Hadas if (err) 509779b20a6cSYishai Hadas goto err; 509879b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 509979b20a6cSYishai Hadas if (err) 510079b20a6cSYishai Hadas goto err_user_rq; 510179b20a6cSYishai Hadas break; 510279b20a6cSYishai Hadas default: 510379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 510479b20a6cSYishai Hadas init_attr->wq_type); 510579b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 510679b20a6cSYishai Hadas } 510779b20a6cSYishai Hadas 5108350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 510979b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 511079b20a6cSYishai Hadas if (udata->outlen) { 511179b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 511279b20a6cSYishai Hadas sizeof(resp.response_length); 511379b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 511479b20a6cSYishai Hadas if (err) 511579b20a6cSYishai Hadas goto err_copy; 511679b20a6cSYishai Hadas } 511779b20a6cSYishai Hadas 5118350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5119350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 512079b20a6cSYishai Hadas return &rwq->ibwq; 512179b20a6cSYishai Hadas 512279b20a6cSYishai Hadas err_copy: 5123350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 512479b20a6cSYishai Hadas err_user_rq: 5125fe248c3aSMaor Gottlieb destroy_user_rq(dev, pd, rwq); 512679b20a6cSYishai Hadas err: 512779b20a6cSYishai Hadas kfree(rwq); 512879b20a6cSYishai Hadas return ERR_PTR(err); 512979b20a6cSYishai Hadas } 513079b20a6cSYishai Hadas 513179b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 513279b20a6cSYishai Hadas { 513379b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 513479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 513579b20a6cSYishai Hadas 5136350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 5137fe248c3aSMaor Gottlieb destroy_user_rq(dev, wq->pd, rwq); 513879b20a6cSYishai Hadas kfree(rwq); 513979b20a6cSYishai Hadas 514079b20a6cSYishai Hadas return 0; 514179b20a6cSYishai Hadas } 514279b20a6cSYishai Hadas 5143c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 5144c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5145c5f90929SYishai Hadas struct ib_udata *udata) 5146c5f90929SYishai Hadas { 5147c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5148c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5149c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5150c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5151c5f90929SYishai Hadas size_t min_resp_len; 5152c5f90929SYishai Hadas int inlen; 5153c5f90929SYishai Hadas int err; 5154c5f90929SYishai Hadas int i; 5155c5f90929SYishai Hadas u32 *in; 5156c5f90929SYishai Hadas void *rqtc; 5157c5f90929SYishai Hadas 5158c5f90929SYishai Hadas if (udata->inlen > 0 && 5159c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5160c5f90929SYishai Hadas udata->inlen)) 5161c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5162c5f90929SYishai Hadas 5163efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5164efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5165efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5166efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5167efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5168efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5169efd7f400SMaor Gottlieb } 5170efd7f400SMaor Gottlieb 5171c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5172c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5173c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5174c5f90929SYishai Hadas 5175c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5176c5f90929SYishai Hadas if (!rwq_ind_tbl) 5177c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5178c5f90929SYishai Hadas 5179c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 51801b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5181c5f90929SYishai Hadas if (!in) { 5182c5f90929SYishai Hadas err = -ENOMEM; 5183c5f90929SYishai Hadas goto err; 5184c5f90929SYishai Hadas } 5185c5f90929SYishai Hadas 5186c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5187c5f90929SYishai Hadas 5188c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5189c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5190c5f90929SYishai Hadas 5191c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5192c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5193c5f90929SYishai Hadas 5194c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5195c5f90929SYishai Hadas kvfree(in); 5196c5f90929SYishai Hadas 5197c5f90929SYishai Hadas if (err) 5198c5f90929SYishai Hadas goto err; 5199c5f90929SYishai Hadas 5200c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5201c5f90929SYishai Hadas if (udata->outlen) { 5202c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5203c5f90929SYishai Hadas sizeof(resp.response_length); 5204c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5205c5f90929SYishai Hadas if (err) 5206c5f90929SYishai Hadas goto err_copy; 5207c5f90929SYishai Hadas } 5208c5f90929SYishai Hadas 5209c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5210c5f90929SYishai Hadas 5211c5f90929SYishai Hadas err_copy: 5212c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5213c5f90929SYishai Hadas err: 5214c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5215c5f90929SYishai Hadas return ERR_PTR(err); 5216c5f90929SYishai Hadas } 5217c5f90929SYishai Hadas 5218c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5219c5f90929SYishai Hadas { 5220c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5221c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5222c5f90929SYishai Hadas 5223c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5224c5f90929SYishai Hadas 5225c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5226c5f90929SYishai Hadas return 0; 5227c5f90929SYishai Hadas } 5228c5f90929SYishai Hadas 522979b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 523079b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 523179b20a6cSYishai Hadas { 523279b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 523379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 523479b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 523579b20a6cSYishai Hadas size_t required_cmd_sz; 523679b20a6cSYishai Hadas int curr_wq_state; 523779b20a6cSYishai Hadas int wq_state; 523879b20a6cSYishai Hadas int inlen; 523979b20a6cSYishai Hadas int err; 524079b20a6cSYishai Hadas void *rqc; 524179b20a6cSYishai Hadas void *in; 524279b20a6cSYishai Hadas 524379b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 524479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 524579b20a6cSYishai Hadas return -EINVAL; 524679b20a6cSYishai Hadas 524779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 524879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 524979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 525079b20a6cSYishai Hadas return -EOPNOTSUPP; 525179b20a6cSYishai Hadas 525279b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 525379b20a6cSYishai Hadas return -EFAULT; 525479b20a6cSYishai Hadas 525579b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 525679b20a6cSYishai Hadas return -EOPNOTSUPP; 525779b20a6cSYishai Hadas 525879b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 52591b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 526079b20a6cSYishai Hadas if (!in) 526179b20a6cSYishai Hadas return -ENOMEM; 526279b20a6cSYishai Hadas 526379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 526479b20a6cSYishai Hadas 526579b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 526679b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 526779b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 526879b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 526979b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 527079b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 527179b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 527279b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 527379b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 527479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 527579b20a6cSYishai Hadas 5276b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5277b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5278b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5279b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5280b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5281b1f74a84SNoa Osherovich "supported\n"); 5282b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5283b1f74a84SNoa Osherovich goto out; 5284b1f74a84SNoa Osherovich } 5285b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5286b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5287b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5288b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5289b1f74a84SNoa Osherovich } 5290b1383aa6SNoa Osherovich 5291b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5292b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5293b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5294b1383aa6SNoa Osherovich goto out; 5295b1383aa6SNoa Osherovich } 5296b1f74a84SNoa Osherovich } 5297b1f74a84SNoa Osherovich 529823a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 529923a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 530023a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 530123a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 5302e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 5303e1f24a79SParav Pandit dev->port->cnts.set_id); 530423a6964eSMajd Dibbiny } else 530523a6964eSMajd Dibbiny pr_info_once("%s: Receive WQ counters are not supported on current FW\n", 530623a6964eSMajd Dibbiny dev->ib_dev.name); 530723a6964eSMajd Dibbiny } 530823a6964eSMajd Dibbiny 5309350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 531079b20a6cSYishai Hadas if (!err) 531179b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 531279b20a6cSYishai Hadas 5313b1f74a84SNoa Osherovich out: 5314b1f74a84SNoa Osherovich kvfree(in); 531579b20a6cSYishai Hadas return err; 531679b20a6cSYishai Hadas } 5317