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> 37e126ba97SEli Cohen #include "mlx5_ib.h" 38e126ba97SEli Cohen 39e126ba97SEli Cohen /* not supported currently */ 40e126ba97SEli Cohen static int wq_signature; 41e126ba97SEli Cohen 42e126ba97SEli Cohen enum { 43e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 44e126ba97SEli Cohen }; 45e126ba97SEli Cohen 46e126ba97SEli Cohen enum { 47e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 48e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 49e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 50e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 51e126ba97SEli Cohen }; 52e126ba97SEli Cohen 53e126ba97SEli Cohen enum { 54e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 55e126ba97SEli Cohen MLX5_IB_CACHE_LINE_SIZE = 64, 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 4570fb2ed66Smajd@mellanox.com if (attr->qp_type == IB_QPT_RAW_PACKET) { 4580fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4590fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4600fb2ed66Smajd@mellanox.com } else { 46119098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 462e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4630fb2ed66Smajd@mellanox.com } 464e126ba97SEli Cohen 465e126ba97SEli Cohen return 0; 466e126ba97SEli Cohen } 467e126ba97SEli Cohen 468e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 469e126ba97SEli Cohen { 470e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 471e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 472e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 473e126ba97SEli Cohen !attr->cap.max_recv_wr) 474e126ba97SEli Cohen return 0; 475e126ba97SEli Cohen 476e126ba97SEli Cohen return 1; 477e126ba97SEli Cohen } 478e126ba97SEli Cohen 479c1be5232SEli Cohen static int first_med_uuar(void) 480c1be5232SEli Cohen { 481c1be5232SEli Cohen return 1; 482c1be5232SEli Cohen } 483c1be5232SEli Cohen 484c1be5232SEli Cohen static int next_uuar(int n) 485c1be5232SEli Cohen { 486c1be5232SEli Cohen n++; 487c1be5232SEli Cohen 488c1be5232SEli Cohen while (((n % 4) & 2)) 489c1be5232SEli Cohen n++; 490c1be5232SEli Cohen 491c1be5232SEli Cohen return n; 492c1be5232SEli Cohen } 493c1be5232SEli Cohen 494c1be5232SEli Cohen static int num_med_uuar(struct mlx5_uuar_info *uuari) 495c1be5232SEli Cohen { 496c1be5232SEli Cohen int n; 497c1be5232SEli Cohen 498c1be5232SEli Cohen n = uuari->num_uars * MLX5_NON_FP_BF_REGS_PER_PAGE - 499c1be5232SEli Cohen uuari->num_low_latency_uuars - 1; 500c1be5232SEli Cohen 501c1be5232SEli Cohen return n >= 0 ? n : 0; 502c1be5232SEli Cohen } 503c1be5232SEli Cohen 504c1be5232SEli Cohen static int max_uuari(struct mlx5_uuar_info *uuari) 505c1be5232SEli Cohen { 506c1be5232SEli Cohen return uuari->num_uars * 4; 507c1be5232SEli Cohen } 508c1be5232SEli Cohen 509c1be5232SEli Cohen static int first_hi_uuar(struct mlx5_uuar_info *uuari) 510c1be5232SEli Cohen { 511c1be5232SEli Cohen int med; 512c1be5232SEli Cohen int i; 513c1be5232SEli Cohen int t; 514c1be5232SEli Cohen 515c1be5232SEli Cohen med = num_med_uuar(uuari); 516c1be5232SEli Cohen for (t = 0, i = first_med_uuar();; i = next_uuar(i)) { 517c1be5232SEli Cohen t++; 518c1be5232SEli Cohen if (t == med) 519c1be5232SEli Cohen return next_uuar(i); 520c1be5232SEli Cohen } 521c1be5232SEli Cohen 522c1be5232SEli Cohen return 0; 523c1be5232SEli Cohen } 524c1be5232SEli Cohen 525e126ba97SEli Cohen static int alloc_high_class_uuar(struct mlx5_uuar_info *uuari) 526e126ba97SEli Cohen { 527e126ba97SEli Cohen int i; 528e126ba97SEli Cohen 529c1be5232SEli Cohen for (i = first_hi_uuar(uuari); i < max_uuari(uuari); i = next_uuar(i)) { 530e126ba97SEli Cohen if (!test_bit(i, uuari->bitmap)) { 531e126ba97SEli Cohen set_bit(i, uuari->bitmap); 532e126ba97SEli Cohen uuari->count[i]++; 533e126ba97SEli Cohen return i; 534e126ba97SEli Cohen } 535e126ba97SEli Cohen } 536e126ba97SEli Cohen 537e126ba97SEli Cohen return -ENOMEM; 538e126ba97SEli Cohen } 539e126ba97SEli Cohen 540e126ba97SEli Cohen static int alloc_med_class_uuar(struct mlx5_uuar_info *uuari) 541e126ba97SEli Cohen { 542c1be5232SEli Cohen int minidx = first_med_uuar(); 543e126ba97SEli Cohen int i; 544e126ba97SEli Cohen 545c1be5232SEli Cohen for (i = first_med_uuar(); i < first_hi_uuar(uuari); i = next_uuar(i)) { 546e126ba97SEli Cohen if (uuari->count[i] < uuari->count[minidx]) 547e126ba97SEli Cohen minidx = i; 548e126ba97SEli Cohen } 549e126ba97SEli Cohen 550e126ba97SEli Cohen uuari->count[minidx]++; 551e126ba97SEli Cohen return minidx; 552e126ba97SEli Cohen } 553e126ba97SEli Cohen 554e126ba97SEli Cohen static int alloc_uuar(struct mlx5_uuar_info *uuari, 555e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 556e126ba97SEli Cohen { 557e126ba97SEli Cohen int uuarn = -EINVAL; 558e126ba97SEli Cohen 559e126ba97SEli Cohen mutex_lock(&uuari->lock); 560e126ba97SEli Cohen switch (lat) { 561e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 562e126ba97SEli Cohen uuarn = 0; 563e126ba97SEli Cohen uuari->count[uuarn]++; 564e126ba97SEli Cohen break; 565e126ba97SEli Cohen 566e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 56778c0f98cSEli Cohen if (uuari->ver < 2) 56878c0f98cSEli Cohen uuarn = -ENOMEM; 56978c0f98cSEli Cohen else 570e126ba97SEli Cohen uuarn = alloc_med_class_uuar(uuari); 571e126ba97SEli Cohen break; 572e126ba97SEli Cohen 573e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 57478c0f98cSEli Cohen if (uuari->ver < 2) 57578c0f98cSEli Cohen uuarn = -ENOMEM; 57678c0f98cSEli Cohen else 577e126ba97SEli Cohen uuarn = alloc_high_class_uuar(uuari); 578e126ba97SEli Cohen break; 579e126ba97SEli Cohen 580e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_FAST_PATH: 581e126ba97SEli Cohen uuarn = 2; 582e126ba97SEli Cohen break; 583e126ba97SEli Cohen } 584e126ba97SEli Cohen mutex_unlock(&uuari->lock); 585e126ba97SEli Cohen 586e126ba97SEli Cohen return uuarn; 587e126ba97SEli Cohen } 588e126ba97SEli Cohen 589e126ba97SEli Cohen static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 590e126ba97SEli Cohen { 591e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 592e126ba97SEli Cohen --uuari->count[uuarn]; 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 598e126ba97SEli Cohen --uuari->count[uuarn]; 599e126ba97SEli Cohen } 600e126ba97SEli Cohen 601e126ba97SEli Cohen static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn) 602e126ba97SEli Cohen { 603e126ba97SEli Cohen int nuuars = uuari->num_uars * MLX5_BF_REGS_PER_PAGE; 604e126ba97SEli Cohen int high_uuar = nuuars - uuari->num_low_latency_uuars; 605e126ba97SEli Cohen 606e126ba97SEli Cohen mutex_lock(&uuari->lock); 607e126ba97SEli Cohen if (uuarn == 0) { 608e126ba97SEli Cohen --uuari->count[uuarn]; 609e126ba97SEli Cohen goto out; 610e126ba97SEli Cohen } 611e126ba97SEli Cohen 612e126ba97SEli Cohen if (uuarn < high_uuar) { 613e126ba97SEli Cohen free_med_class_uuar(uuari, uuarn); 614e126ba97SEli Cohen goto out; 615e126ba97SEli Cohen } 616e126ba97SEli Cohen 617e126ba97SEli Cohen free_high_class_uuar(uuari, uuarn); 618e126ba97SEli Cohen 619e126ba97SEli Cohen out: 620e126ba97SEli Cohen mutex_unlock(&uuari->lock); 621e126ba97SEli Cohen } 622e126ba97SEli Cohen 623e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 624e126ba97SEli Cohen { 625e126ba97SEli Cohen switch (state) { 626e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 627e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 628e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 629e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 630e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 631e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 632e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 633e126ba97SEli Cohen default: return -1; 634e126ba97SEli Cohen } 635e126ba97SEli Cohen } 636e126ba97SEli Cohen 637e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 638e126ba97SEli Cohen { 639e126ba97SEli Cohen switch (type) { 640e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 641e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 642e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 643e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 644e126ba97SEli Cohen case IB_QPT_XRC_INI: 645e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 646e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 647d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 648e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 649e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6500fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 651e126ba97SEli Cohen case IB_QPT_MAX: 652e126ba97SEli Cohen default: return -EINVAL; 653e126ba97SEli Cohen } 654e126ba97SEli Cohen } 655e126ba97SEli Cohen 65689ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 65789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 65889ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 65989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 66089ea94a7SMaor Gottlieb 661e126ba97SEli Cohen static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn) 662e126ba97SEli Cohen { 663e126ba97SEli Cohen return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index; 664e126ba97SEli Cohen } 665e126ba97SEli Cohen 66619098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 66719098df2Smajd@mellanox.com struct ib_pd *pd, 66819098df2Smajd@mellanox.com unsigned long addr, size_t size, 66919098df2Smajd@mellanox.com struct ib_umem **umem, 67019098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 67119098df2Smajd@mellanox.com u32 *offset) 67219098df2Smajd@mellanox.com { 67319098df2Smajd@mellanox.com int err; 67419098df2Smajd@mellanox.com 67519098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 67619098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 67719098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 67819098df2Smajd@mellanox.com return PTR_ERR(*umem); 67919098df2Smajd@mellanox.com } 68019098df2Smajd@mellanox.com 681762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 68219098df2Smajd@mellanox.com 68319098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 68419098df2Smajd@mellanox.com if (err) { 68519098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 68619098df2Smajd@mellanox.com goto err_umem; 68719098df2Smajd@mellanox.com } 68819098df2Smajd@mellanox.com 68919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 69019098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 69119098df2Smajd@mellanox.com 69219098df2Smajd@mellanox.com return 0; 69319098df2Smajd@mellanox.com 69419098df2Smajd@mellanox.com err_umem: 69519098df2Smajd@mellanox.com ib_umem_release(*umem); 69619098df2Smajd@mellanox.com *umem = NULL; 69719098df2Smajd@mellanox.com 69819098df2Smajd@mellanox.com return err; 69919098df2Smajd@mellanox.com } 70019098df2Smajd@mellanox.com 70179b20a6cSYishai Hadas static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq) 70279b20a6cSYishai Hadas { 70379b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 70479b20a6cSYishai Hadas 70579b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 70679b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 70779b20a6cSYishai Hadas if (rwq->umem) 70879b20a6cSYishai Hadas ib_umem_release(rwq->umem); 70979b20a6cSYishai Hadas } 71079b20a6cSYishai Hadas 71179b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 71279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 71379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 71479b20a6cSYishai Hadas { 71579b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 71679b20a6cSYishai Hadas int page_shift = 0; 71779b20a6cSYishai Hadas int npages; 71879b20a6cSYishai Hadas u32 offset = 0; 71979b20a6cSYishai Hadas int ncont = 0; 72079b20a6cSYishai Hadas int err; 72179b20a6cSYishai Hadas 72279b20a6cSYishai Hadas if (!ucmd->buf_addr) 72379b20a6cSYishai Hadas return -EINVAL; 72479b20a6cSYishai Hadas 72579b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 72679b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 72779b20a6cSYishai Hadas rwq->buf_size, 0, 0); 72879b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 72979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 73079b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 73179b20a6cSYishai Hadas return err; 73279b20a6cSYishai Hadas } 73379b20a6cSYishai Hadas 734762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 73579b20a6cSYishai Hadas &ncont, NULL); 73679b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 73779b20a6cSYishai Hadas &rwq->rq_page_offset); 73879b20a6cSYishai Hadas if (err) { 73979b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 74079b20a6cSYishai Hadas goto err_umem; 74179b20a6cSYishai Hadas } 74279b20a6cSYishai Hadas 74379b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 74479b20a6cSYishai Hadas rwq->page_shift = page_shift; 74579b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 74679b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 74779b20a6cSYishai Hadas 74879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 74979b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 75079b20a6cSYishai Hadas npages, page_shift, ncont, offset); 75179b20a6cSYishai Hadas 75279b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 75379b20a6cSYishai Hadas if (err) { 75479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 75579b20a6cSYishai Hadas goto err_umem; 75679b20a6cSYishai Hadas } 75779b20a6cSYishai Hadas 75879b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 75979b20a6cSYishai Hadas return 0; 76079b20a6cSYishai Hadas 76179b20a6cSYishai Hadas err_umem: 76279b20a6cSYishai Hadas ib_umem_release(rwq->umem); 76379b20a6cSYishai Hadas return err; 76479b20a6cSYishai Hadas } 76579b20a6cSYishai Hadas 766e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 767e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7680fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 76909a7d9ecSSaeed Mahameed u32 **in, 77019098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 77119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 772e126ba97SEli Cohen { 773e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 774e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 77519098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7769e9c47d0SEli Cohen int page_shift = 0; 777e126ba97SEli Cohen int uar_index; 778e126ba97SEli Cohen int npages; 7799e9c47d0SEli Cohen u32 offset = 0; 780e126ba97SEli Cohen int uuarn; 7819e9c47d0SEli Cohen int ncont = 0; 78209a7d9ecSSaeed Mahameed __be64 *pas; 78309a7d9ecSSaeed Mahameed void *qpc; 784e126ba97SEli Cohen int err; 785e126ba97SEli Cohen 786e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 787e126ba97SEli Cohen if (err) { 788e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 789e126ba97SEli Cohen return err; 790e126ba97SEli Cohen } 791e126ba97SEli Cohen 792e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 793e126ba97SEli Cohen /* 794e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 795e126ba97SEli Cohen */ 796051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 797051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 798051f2630SLeon Romanovsky uuarn = MLX5_CROSS_CHANNEL_UUAR; 799051f2630SLeon Romanovsky else { 800e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH); 801e126ba97SEli Cohen if (uuarn < 0) { 802e126ba97SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency UUAR\n"); 803c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 804c1be5232SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM); 805c1be5232SEli Cohen if (uuarn < 0) { 806c1be5232SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency UUAR\n"); 807e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 808e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW); 809e126ba97SEli Cohen if (uuarn < 0) { 810c1be5232SEli Cohen mlx5_ib_warn(dev, "uuar allocation failed\n"); 811e126ba97SEli Cohen return uuarn; 812e126ba97SEli Cohen } 813e126ba97SEli Cohen } 814c1be5232SEli Cohen } 815051f2630SLeon Romanovsky } 816e126ba97SEli Cohen 817e126ba97SEli Cohen uar_index = uuarn_to_uar_index(&context->uuari, uuarn); 818e126ba97SEli Cohen mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); 819e126ba97SEli Cohen 82048fea837SHaggai Eran qp->rq.offset = 0; 82148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 82248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 82348fea837SHaggai Eran 8240fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 825e126ba97SEli Cohen if (err) 826e126ba97SEli Cohen goto err_uuar; 827e126ba97SEli Cohen 82819098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 82919098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 83019098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 83119098df2Smajd@mellanox.com ubuffer->buf_size, 83219098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 83319098df2Smajd@mellanox.com &ncont, &offset); 83419098df2Smajd@mellanox.com if (err) 835e126ba97SEli Cohen goto err_uuar; 8369e9c47d0SEli Cohen } else { 83719098df2Smajd@mellanox.com ubuffer->umem = NULL; 8389e9c47d0SEli Cohen } 839e126ba97SEli Cohen 84009a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 84109a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 842e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 843e126ba97SEli Cohen if (!*in) { 844e126ba97SEli Cohen err = -ENOMEM; 845e126ba97SEli Cohen goto err_umem; 846e126ba97SEli Cohen } 847e126ba97SEli Cohen 84809a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 84909a7d9ecSSaeed Mahameed if (ubuffer->umem) 85009a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 85109a7d9ecSSaeed Mahameed 85209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 85309a7d9ecSSaeed Mahameed 85409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 85509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 85609a7d9ecSSaeed Mahameed 85709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 858e126ba97SEli Cohen resp->uuar_index = uuarn; 859e126ba97SEli Cohen qp->uuarn = uuarn; 860e126ba97SEli Cohen 861e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 862e126ba97SEli Cohen if (err) { 863e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 864e126ba97SEli Cohen goto err_free; 865e126ba97SEli Cohen } 866e126ba97SEli Cohen 867e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 868e126ba97SEli Cohen if (err) { 869e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 870e126ba97SEli Cohen goto err_unmap; 871e126ba97SEli Cohen } 872e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 873e126ba97SEli Cohen 874e126ba97SEli Cohen return 0; 875e126ba97SEli Cohen 876e126ba97SEli Cohen err_unmap: 877e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 878e126ba97SEli Cohen 879e126ba97SEli Cohen err_free: 880479163f4SAl Viro kvfree(*in); 881e126ba97SEli Cohen 882e126ba97SEli Cohen err_umem: 88319098df2Smajd@mellanox.com if (ubuffer->umem) 88419098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 885e126ba97SEli Cohen 886e126ba97SEli Cohen err_uuar: 887e126ba97SEli Cohen free_uuar(&context->uuari, uuarn); 888e126ba97SEli Cohen return err; 889e126ba97SEli Cohen } 890e126ba97SEli Cohen 89119098df2Smajd@mellanox.com static void destroy_qp_user(struct ib_pd *pd, struct mlx5_ib_qp *qp, 89219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 893e126ba97SEli Cohen { 894e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 895e126ba97SEli Cohen 896e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 897e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 89819098df2Smajd@mellanox.com if (base->ubuffer.umem) 89919098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 900e126ba97SEli Cohen free_uuar(&context->uuari, qp->uuarn); 901e126ba97SEli Cohen } 902e126ba97SEli Cohen 903e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 904e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 905e126ba97SEli Cohen struct mlx5_ib_qp *qp, 90609a7d9ecSSaeed Mahameed u32 **in, int *inlen, 90719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 908e126ba97SEli Cohen { 909e126ba97SEli Cohen enum mlx5_ib_latency_class lc = MLX5_IB_LATENCY_CLASS_LOW; 910e126ba97SEli Cohen struct mlx5_uuar_info *uuari; 911e126ba97SEli Cohen int uar_index; 91209a7d9ecSSaeed Mahameed void *qpc; 913e126ba97SEli Cohen int uuarn; 914e126ba97SEli Cohen int err; 915e126ba97SEli Cohen 9169603b61dSJack Morgenstein uuari = &dev->mdev->priv.uuari; 917f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 918f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 919b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 920b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9211a4c3a3dSEli Cohen return -EINVAL; 922e126ba97SEli Cohen 923e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 924e126ba97SEli Cohen lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; 925e126ba97SEli Cohen 926e126ba97SEli Cohen uuarn = alloc_uuar(uuari, lc); 927e126ba97SEli Cohen if (uuarn < 0) { 928e126ba97SEli Cohen mlx5_ib_dbg(dev, "\n"); 929e126ba97SEli Cohen return -ENOMEM; 930e126ba97SEli Cohen } 931e126ba97SEli Cohen 932e126ba97SEli Cohen qp->bf = &uuari->bfs[uuarn]; 933e126ba97SEli Cohen uar_index = qp->bf->uar->index; 934e126ba97SEli Cohen 935e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 936e126ba97SEli Cohen if (err < 0) { 937e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 938e126ba97SEli Cohen goto err_uuar; 939e126ba97SEli Cohen } 940e126ba97SEli Cohen 941e126ba97SEli Cohen qp->rq.offset = 0; 942e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 94319098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 944e126ba97SEli Cohen 94519098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 946e126ba97SEli Cohen if (err) { 947e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 948e126ba97SEli Cohen goto err_uuar; 949e126ba97SEli Cohen } 950e126ba97SEli Cohen 951e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 95209a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 95309a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 954e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 955e126ba97SEli Cohen if (!*in) { 956e126ba97SEli Cohen err = -ENOMEM; 957e126ba97SEli Cohen goto err_buf; 958e126ba97SEli Cohen } 95909a7d9ecSSaeed Mahameed 96009a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 96109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 96209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 96309a7d9ecSSaeed Mahameed 964e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 96509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 96609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 967e126ba97SEli Cohen 968b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 96909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 970b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 971b11a4f9cSHaggai Eran } 972b11a4f9cSHaggai Eran 97309a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 97409a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 975e126ba97SEli Cohen 9769603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 977e126ba97SEli Cohen if (err) { 978e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 979e126ba97SEli Cohen goto err_free; 980e126ba97SEli Cohen } 981e126ba97SEli Cohen 982e126ba97SEli Cohen qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); 983e126ba97SEli Cohen qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); 984e126ba97SEli Cohen qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); 985e126ba97SEli Cohen qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); 986e126ba97SEli Cohen qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); 987e126ba97SEli Cohen 988e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 989e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 990e126ba97SEli Cohen err = -ENOMEM; 991e126ba97SEli Cohen goto err_wrid; 992e126ba97SEli Cohen } 993e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 994e126ba97SEli Cohen 995e126ba97SEli Cohen return 0; 996e126ba97SEli Cohen 997e126ba97SEli Cohen err_wrid: 9989603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 999e126ba97SEli Cohen kfree(qp->sq.wqe_head); 1000e126ba97SEli Cohen kfree(qp->sq.w_list); 1001e126ba97SEli Cohen kfree(qp->sq.wrid); 1002e126ba97SEli Cohen kfree(qp->sq.wr_data); 1003e126ba97SEli Cohen kfree(qp->rq.wrid); 1004e126ba97SEli Cohen 1005e126ba97SEli Cohen err_free: 1006479163f4SAl Viro kvfree(*in); 1007e126ba97SEli Cohen 1008e126ba97SEli Cohen err_buf: 10099603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1010e126ba97SEli Cohen 1011e126ba97SEli Cohen err_uuar: 10129603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, uuarn); 1013e126ba97SEli Cohen return err; 1014e126ba97SEli Cohen } 1015e126ba97SEli Cohen 1016e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1017e126ba97SEli Cohen { 10189603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 1019e126ba97SEli Cohen kfree(qp->sq.wqe_head); 1020e126ba97SEli Cohen kfree(qp->sq.w_list); 1021e126ba97SEli Cohen kfree(qp->sq.wrid); 1022e126ba97SEli Cohen kfree(qp->sq.wr_data); 1023e126ba97SEli Cohen kfree(qp->rq.wrid); 10249603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 10259603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn); 1026e126ba97SEli Cohen } 1027e126ba97SEli Cohen 102809a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1029e126ba97SEli Cohen { 1030e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1031e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 103209a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1033e126ba97SEli Cohen else if (!qp->has_rq) 103409a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1035e126ba97SEli Cohen else 103609a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1037e126ba97SEli Cohen } 1038e126ba97SEli Cohen 1039e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1040e126ba97SEli Cohen { 1041e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1042e126ba97SEli Cohen return 1; 1043e126ba97SEli Cohen 1044e126ba97SEli Cohen return 0; 1045e126ba97SEli Cohen } 1046e126ba97SEli Cohen 10470fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10480fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10490fb2ed66Smajd@mellanox.com { 1050c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10510fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10520fb2ed66Smajd@mellanox.com 10530fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 10540fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10550fb2ed66Smajd@mellanox.com } 10560fb2ed66Smajd@mellanox.com 10570fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10580fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10590fb2ed66Smajd@mellanox.com { 10600fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10610fb2ed66Smajd@mellanox.com } 10620fb2ed66Smajd@mellanox.com 10630fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10640fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10650fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10660fb2ed66Smajd@mellanox.com { 10670fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10680fb2ed66Smajd@mellanox.com __be64 *pas; 10690fb2ed66Smajd@mellanox.com void *in; 10700fb2ed66Smajd@mellanox.com void *sqc; 10710fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10720fb2ed66Smajd@mellanox.com void *wq; 10730fb2ed66Smajd@mellanox.com int inlen; 10740fb2ed66Smajd@mellanox.com int err; 10750fb2ed66Smajd@mellanox.com int page_shift = 0; 10760fb2ed66Smajd@mellanox.com int npages; 10770fb2ed66Smajd@mellanox.com int ncont = 0; 10780fb2ed66Smajd@mellanox.com u32 offset = 0; 10790fb2ed66Smajd@mellanox.com 10800fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10810fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10820fb2ed66Smajd@mellanox.com &ncont, &offset); 10830fb2ed66Smajd@mellanox.com if (err) 10840fb2ed66Smajd@mellanox.com return err; 10850fb2ed66Smajd@mellanox.com 10860fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10870fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10880fb2ed66Smajd@mellanox.com if (!in) { 10890fb2ed66Smajd@mellanox.com err = -ENOMEM; 10900fb2ed66Smajd@mellanox.com goto err_umem; 10910fb2ed66Smajd@mellanox.com } 10920fb2ed66Smajd@mellanox.com 10930fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10940fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 10950fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10960fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10970fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10980fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10990fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 11000fb2ed66Smajd@mellanox.com 11010fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 11020fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11030fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11040fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11050fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11060fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11070fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11080fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11090fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11100fb2ed66Smajd@mellanox.com 11110fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11120fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11130fb2ed66Smajd@mellanox.com 11140fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11150fb2ed66Smajd@mellanox.com 11160fb2ed66Smajd@mellanox.com kvfree(in); 11170fb2ed66Smajd@mellanox.com 11180fb2ed66Smajd@mellanox.com if (err) 11190fb2ed66Smajd@mellanox.com goto err_umem; 11200fb2ed66Smajd@mellanox.com 11210fb2ed66Smajd@mellanox.com return 0; 11220fb2ed66Smajd@mellanox.com 11230fb2ed66Smajd@mellanox.com err_umem: 11240fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11250fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11260fb2ed66Smajd@mellanox.com 11270fb2ed66Smajd@mellanox.com return err; 11280fb2ed66Smajd@mellanox.com } 11290fb2ed66Smajd@mellanox.com 11300fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11310fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11320fb2ed66Smajd@mellanox.com { 11330fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11340fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11350fb2ed66Smajd@mellanox.com } 11360fb2ed66Smajd@mellanox.com 11370fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 11380fb2ed66Smajd@mellanox.com { 11390fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11400fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11410fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11420fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11430fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11440fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11450fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11460fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11470fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11480fb2ed66Smajd@mellanox.com 11490fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11500fb2ed66Smajd@mellanox.com } 11510fb2ed66Smajd@mellanox.com 11520fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11530fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11540fb2ed66Smajd@mellanox.com { 1155358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11560fb2ed66Smajd@mellanox.com __be64 *pas; 11570fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11580fb2ed66Smajd@mellanox.com void *in; 11590fb2ed66Smajd@mellanox.com void *rqc; 11600fb2ed66Smajd@mellanox.com void *wq; 11610fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11620fb2ed66Smajd@mellanox.com int inlen; 11630fb2ed66Smajd@mellanox.com int err; 11640fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11650fb2ed66Smajd@mellanox.com 11660fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11670fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11680fb2ed66Smajd@mellanox.com if (!in) 11690fb2ed66Smajd@mellanox.com return -ENOMEM; 11700fb2ed66Smajd@mellanox.com 11710fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 11720fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11730fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11740fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11750fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11760fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11770fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11780fb2ed66Smajd@mellanox.com 1179358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1180358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1181358e42eaSMajd Dibbiny 11820fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11830fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11840fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 118501581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 11860fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11870fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11880fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11890fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11900fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11910fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11920fb2ed66Smajd@mellanox.com 11930fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11940fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11950fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11960fb2ed66Smajd@mellanox.com 11970fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11980fb2ed66Smajd@mellanox.com 11990fb2ed66Smajd@mellanox.com kvfree(in); 12000fb2ed66Smajd@mellanox.com 12010fb2ed66Smajd@mellanox.com return err; 12020fb2ed66Smajd@mellanox.com } 12030fb2ed66Smajd@mellanox.com 12040fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12050fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12060fb2ed66Smajd@mellanox.com { 12070fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12080fb2ed66Smajd@mellanox.com } 12090fb2ed66Smajd@mellanox.com 12100fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12110fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, u32 tdn) 12120fb2ed66Smajd@mellanox.com { 12130fb2ed66Smajd@mellanox.com u32 *in; 12140fb2ed66Smajd@mellanox.com void *tirc; 12150fb2ed66Smajd@mellanox.com int inlen; 12160fb2ed66Smajd@mellanox.com int err; 12170fb2ed66Smajd@mellanox.com 12180fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 12190fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 12200fb2ed66Smajd@mellanox.com if (!in) 12210fb2ed66Smajd@mellanox.com return -ENOMEM; 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 12240fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 12250fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 12260fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 12270fb2ed66Smajd@mellanox.com 12280fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 12290fb2ed66Smajd@mellanox.com 12300fb2ed66Smajd@mellanox.com kvfree(in); 12310fb2ed66Smajd@mellanox.com 12320fb2ed66Smajd@mellanox.com return err; 12330fb2ed66Smajd@mellanox.com } 12340fb2ed66Smajd@mellanox.com 12350fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12360fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12370fb2ed66Smajd@mellanox.com { 12380fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 12390fb2ed66Smajd@mellanox.com } 12400fb2ed66Smajd@mellanox.com 12410fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 124209a7d9ecSSaeed Mahameed u32 *in, 12430fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12440fb2ed66Smajd@mellanox.com { 12450fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12460fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12470fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12480fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12490fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12500fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12510fb2ed66Smajd@mellanox.com int err; 12520fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12530fb2ed66Smajd@mellanox.com 12540fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12550fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tis(dev, sq, tdn); 12560fb2ed66Smajd@mellanox.com if (err) 12570fb2ed66Smajd@mellanox.com return err; 12580fb2ed66Smajd@mellanox.com 12590fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12600fb2ed66Smajd@mellanox.com if (err) 12610fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12620fb2ed66Smajd@mellanox.com 12630fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12640fb2ed66Smajd@mellanox.com } 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1267358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1268358e42eaSMajd Dibbiny 12690fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12700fb2ed66Smajd@mellanox.com if (err) 12710fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12720fb2ed66Smajd@mellanox.com 12730fb2ed66Smajd@mellanox.com 12740fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tir(dev, rq, tdn); 12750fb2ed66Smajd@mellanox.com if (err) 12760fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12770fb2ed66Smajd@mellanox.com } 12780fb2ed66Smajd@mellanox.com 12790fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12800fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12810fb2ed66Smajd@mellanox.com 12820fb2ed66Smajd@mellanox.com return 0; 12830fb2ed66Smajd@mellanox.com 12840fb2ed66Smajd@mellanox.com err_destroy_rq: 12850fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12860fb2ed66Smajd@mellanox.com err_destroy_sq: 12870fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 12880fb2ed66Smajd@mellanox.com return err; 12890fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12900fb2ed66Smajd@mellanox.com err_destroy_tis: 12910fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12920fb2ed66Smajd@mellanox.com 12930fb2ed66Smajd@mellanox.com return err; 12940fb2ed66Smajd@mellanox.com } 12950fb2ed66Smajd@mellanox.com 12960fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 12970fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 12980fb2ed66Smajd@mellanox.com { 12990fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13000fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13010fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13020fb2ed66Smajd@mellanox.com 13030fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 13040fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 13050fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13060fb2ed66Smajd@mellanox.com } 13070fb2ed66Smajd@mellanox.com 13080fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13090fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13100fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13110fb2ed66Smajd@mellanox.com } 13120fb2ed66Smajd@mellanox.com } 13130fb2ed66Smajd@mellanox.com 13140fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 13150fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 13160fb2ed66Smajd@mellanox.com { 13170fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13180fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13190fb2ed66Smajd@mellanox.com 13200fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 13210fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 13220fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 13230fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 13240fb2ed66Smajd@mellanox.com } 13250fb2ed66Smajd@mellanox.com 132628d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 132728d61370SYishai Hadas { 132828d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 132928d61370SYishai Hadas } 133028d61370SYishai Hadas 133128d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 133228d61370SYishai Hadas struct ib_pd *pd, 133328d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 133428d61370SYishai Hadas struct ib_udata *udata) 133528d61370SYishai Hadas { 133628d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 133728d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 133828d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 133928d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 134028d61370SYishai Hadas int inlen; 134128d61370SYishai Hadas int err; 134228d61370SYishai Hadas u32 *in; 134328d61370SYishai Hadas void *tirc; 134428d61370SYishai Hadas void *hfso; 134528d61370SYishai Hadas u32 selected_fields = 0; 134628d61370SYishai Hadas size_t min_resp_len; 134728d61370SYishai Hadas u32 tdn = mucontext->tdn; 134828d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 134928d61370SYishai Hadas size_t required_cmd_sz; 135028d61370SYishai Hadas 135128d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 135228d61370SYishai Hadas return -EOPNOTSUPP; 135328d61370SYishai Hadas 135428d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 135528d61370SYishai Hadas return -EINVAL; 135628d61370SYishai Hadas 135728d61370SYishai Hadas min_resp_len = offsetof(typeof(resp), uuar_index) + sizeof(resp.uuar_index); 135828d61370SYishai Hadas if (udata->outlen < min_resp_len) 135928d61370SYishai Hadas return -EINVAL; 136028d61370SYishai Hadas 136128d61370SYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1); 136228d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 136328d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 136428d61370SYishai Hadas return -EINVAL; 136528d61370SYishai Hadas } 136628d61370SYishai Hadas 136728d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 136828d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 136928d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 137028d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 137128d61370SYishai Hadas return -EOPNOTSUPP; 137228d61370SYishai Hadas } 137328d61370SYishai Hadas 137428d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 137528d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 137628d61370SYishai Hadas return -EFAULT; 137728d61370SYishai Hadas } 137828d61370SYishai Hadas 137928d61370SYishai Hadas if (ucmd.comp_mask) { 138028d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 138128d61370SYishai Hadas return -EOPNOTSUPP; 138228d61370SYishai Hadas } 138328d61370SYishai Hadas 138428d61370SYishai Hadas if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) { 138528d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 138628d61370SYishai Hadas return -EOPNOTSUPP; 138728d61370SYishai Hadas } 138828d61370SYishai Hadas 138928d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 139028d61370SYishai Hadas if (err) { 139128d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 139228d61370SYishai Hadas return -EINVAL; 139328d61370SYishai Hadas } 139428d61370SYishai Hadas 139528d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 139628d61370SYishai Hadas in = mlx5_vzalloc(inlen); 139728d61370SYishai Hadas if (!in) 139828d61370SYishai Hadas return -ENOMEM; 139928d61370SYishai Hadas 140028d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 140128d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 140228d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 140328d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 140428d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 140528d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 140628d61370SYishai Hadas 140728d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 140828d61370SYishai Hadas switch (ucmd.rx_hash_function) { 140928d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 141028d61370SYishai Hadas { 141128d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 141228d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 141328d61370SYishai Hadas 141428d61370SYishai Hadas if (len != ucmd.rx_key_len) { 141528d61370SYishai Hadas err = -EINVAL; 141628d61370SYishai Hadas goto err; 141728d61370SYishai Hadas } 141828d61370SYishai Hadas 141928d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 142028d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 142128d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 142228d61370SYishai Hadas break; 142328d61370SYishai Hadas } 142428d61370SYishai Hadas default: 142528d61370SYishai Hadas err = -EOPNOTSUPP; 142628d61370SYishai Hadas goto err; 142728d61370SYishai Hadas } 142828d61370SYishai Hadas 142928d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 143028d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 143128d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 143228d61370SYishai Hadas goto create_tir; 143328d61370SYishai Hadas err = -EINVAL; 143428d61370SYishai Hadas goto err; 143528d61370SYishai Hadas } 143628d61370SYishai Hadas 143728d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 143828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 143928d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 144028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 144128d61370SYishai Hadas err = -EINVAL; 144228d61370SYishai Hadas goto err; 144328d61370SYishai Hadas } 144428d61370SYishai Hadas 144528d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 144628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 144728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 144828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 144928d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 145028d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 145128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 145228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 145328d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 145428d61370SYishai Hadas 145528d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 145628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 145728d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 145828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 145928d61370SYishai Hadas err = -EINVAL; 146028d61370SYishai Hadas goto err; 146128d61370SYishai Hadas } 146228d61370SYishai Hadas 146328d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 146428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 146528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 146628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 146728d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 146828d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 146928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 147028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 147128d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 147228d61370SYishai Hadas 147328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 147428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 147528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 147628d61370SYishai Hadas 147728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 147828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 147928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 148028d61370SYishai Hadas 148128d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 148228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 148328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 148428d61370SYishai Hadas 148528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 148628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 148728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 148828d61370SYishai Hadas 148928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 149028d61370SYishai Hadas 149128d61370SYishai Hadas create_tir: 149228d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 149328d61370SYishai Hadas 149428d61370SYishai Hadas if (err) 149528d61370SYishai Hadas goto err; 149628d61370SYishai Hadas 149728d61370SYishai Hadas kvfree(in); 149828d61370SYishai Hadas /* qpn is reserved for that QP */ 149928d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1500d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 150128d61370SYishai Hadas return 0; 150228d61370SYishai Hadas 150328d61370SYishai Hadas err: 150428d61370SYishai Hadas kvfree(in); 150528d61370SYishai Hadas return err; 150628d61370SYishai Hadas } 150728d61370SYishai Hadas 1508e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1509e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1510e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1511e126ba97SEli Cohen { 1512e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 151309a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1514938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 1515e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 151689ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 151789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 151889ea94a7SMaor Gottlieb unsigned long flags; 1519cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 152009a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 152109a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1522cfb5e088SHaggai Abramovsky void *qpc; 152309a7d9ecSSaeed Mahameed u32 *in; 152409a7d9ecSSaeed Mahameed int err; 1525e126ba97SEli Cohen 15260fb2ed66Smajd@mellanox.com base = init_attr->qp_type == IB_QPT_RAW_PACKET ? 15270fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 15280fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 15290fb2ed66Smajd@mellanox.com 15300fb2ed66Smajd@mellanox.com if (init_attr->qp_type != IB_QPT_RAW_PACKET) 15316aec21f6SHaggai Eran mlx5_ib_odp_create_qp(qp); 15326aec21f6SHaggai Eran 1533e126ba97SEli Cohen mutex_init(&qp->mutex); 1534e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1535e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1536e126ba97SEli Cohen 153728d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 153828d61370SYishai Hadas if (!udata) 153928d61370SYishai Hadas return -ENOSYS; 154028d61370SYishai Hadas 154128d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 154228d61370SYishai Hadas return err; 154328d61370SYishai Hadas } 154428d61370SYishai Hadas 1545f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1546938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1547f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1548f360d88aSEli Cohen return -EINVAL; 1549f360d88aSEli Cohen } else { 1550f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1551f360d88aSEli Cohen } 1552f360d88aSEli Cohen } 1553f360d88aSEli Cohen 1554051f2630SLeon Romanovsky if (init_attr->create_flags & 1555051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1556051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1557051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1558051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1559051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1560051f2630SLeon Romanovsky return -EINVAL; 1561051f2630SLeon Romanovsky } 1562051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1563051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1564051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1565051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1566051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1567051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1568051f2630SLeon Romanovsky } 1569f0313965SErez Shitrit 1570f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1571f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1572f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1573f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1574f0313965SErez Shitrit return -EOPNOTSUPP; 1575f0313965SErez Shitrit } 1576f0313965SErez Shitrit 1577358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1578358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1579358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1580358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1581358e42eaSMajd Dibbiny } 1582358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1583358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1584358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1585358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1586358e42eaSMajd Dibbiny } 1587358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1588358e42eaSMajd Dibbiny } 1589358e42eaSMajd Dibbiny 1590e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1591e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1592e126ba97SEli Cohen 1593e126ba97SEli Cohen if (pd && pd->uobject) { 1594e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1595e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1596e126ba97SEli Cohen return -EFAULT; 1597e126ba97SEli Cohen } 1598e126ba97SEli Cohen 1599cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1600cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1601cfb5e088SHaggai Abramovsky if (err) 1602cfb5e088SHaggai Abramovsky return err; 1603cfb5e088SHaggai Abramovsky 1604e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1605e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1606e126ba97SEli Cohen } else { 1607e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1608e126ba97SEli Cohen } 1609e126ba97SEli Cohen 1610e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1611e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1612e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1613e126ba97SEli Cohen if (err) { 1614e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1615e126ba97SEli Cohen return err; 1616e126ba97SEli Cohen } 1617e126ba97SEli Cohen 1618e126ba97SEli Cohen if (pd) { 1619e126ba97SEli Cohen if (pd->uobject) { 1620938fe83cSSaeed Mahameed __u32 max_wqes = 1621938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1622e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1623e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1624e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1625e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1626e126ba97SEli Cohen return -EINVAL; 1627e126ba97SEli Cohen } 1628938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1629e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1630938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1631e126ba97SEli Cohen return -EINVAL; 1632e126ba97SEli Cohen } 1633b11a4f9cSHaggai Eran if (init_attr->create_flags & 1634b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1635b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1636b11a4f9cSHaggai Eran return -EINVAL; 1637b11a4f9cSHaggai Eran } 16380fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 16390fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1640e126ba97SEli Cohen if (err) 1641e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1642e126ba97SEli Cohen } else { 164319098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 164419098df2Smajd@mellanox.com base); 1645e126ba97SEli Cohen if (err) 1646e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1647e126ba97SEli Cohen } 1648e126ba97SEli Cohen 1649e126ba97SEli Cohen if (err) 1650e126ba97SEli Cohen return err; 1651e126ba97SEli Cohen } else { 165209a7d9ecSSaeed Mahameed in = mlx5_vzalloc(inlen); 1653e126ba97SEli Cohen if (!in) 1654e126ba97SEli Cohen return -ENOMEM; 1655e126ba97SEli Cohen 1656e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1657e126ba97SEli Cohen } 1658e126ba97SEli Cohen 1659e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1660e126ba97SEli Cohen qp->port = init_attr->port_num; 1661e126ba97SEli Cohen 166209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 166309a7d9ecSSaeed Mahameed 166409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); 166509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1666e126ba97SEli Cohen 1667e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 166809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1669e126ba97SEli Cohen else 167009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 167109a7d9ecSSaeed Mahameed 1672e126ba97SEli Cohen 1673e126ba97SEli Cohen if (qp->wq_sig) 167409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1675e126ba97SEli Cohen 1676f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 167709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1678f360d88aSEli Cohen 1679051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 168009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1681051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 168209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1683051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 168409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1685051f2630SLeon Romanovsky 1686e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1687e126ba97SEli Cohen int rcqe_sz; 1688e126ba97SEli Cohen int scqe_sz; 1689e126ba97SEli Cohen 1690e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1691e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1692e126ba97SEli Cohen 1693e126ba97SEli Cohen if (rcqe_sz == 128) 169409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1695e126ba97SEli Cohen else 169609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1697e126ba97SEli Cohen 1698e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1699e126ba97SEli Cohen if (scqe_sz == 128) 170009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1701e126ba97SEli Cohen else 170209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1703e126ba97SEli Cohen } 1704e126ba97SEli Cohen } 1705e126ba97SEli Cohen 1706e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 170709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 170809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1709e126ba97SEli Cohen } 1710e126ba97SEli Cohen 171109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1712e126ba97SEli Cohen 1713e126ba97SEli Cohen if (qp->sq.wqe_cnt) 171409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 1715e126ba97SEli Cohen else 171609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 1717e126ba97SEli Cohen 1718e126ba97SEli Cohen /* Set default resources */ 1719e126ba97SEli Cohen switch (init_attr->qp_type) { 1720e126ba97SEli Cohen case IB_QPT_XRC_TGT: 172109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 172209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 172309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 172409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1725e126ba97SEli Cohen break; 1726e126ba97SEli Cohen case IB_QPT_XRC_INI: 172709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 172809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 172909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1730e126ba97SEli Cohen break; 1731e126ba97SEli Cohen default: 1732e126ba97SEli Cohen if (init_attr->srq) { 173309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 173409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1735e126ba97SEli Cohen } else { 173609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 173709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1738e126ba97SEli Cohen } 1739e126ba97SEli Cohen } 1740e126ba97SEli Cohen 1741e126ba97SEli Cohen if (init_attr->send_cq) 174209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1743e126ba97SEli Cohen 1744e126ba97SEli Cohen if (init_attr->recv_cq) 174509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1746e126ba97SEli Cohen 174709a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1748e126ba97SEli Cohen 1749cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 175009a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1751cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 175209a7d9ecSSaeed Mahameed 1753f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1754f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1755f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1756f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1757f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1758f0313965SErez Shitrit } 1759cfb5e088SHaggai Abramovsky 17600fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 17610fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 17620fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 17630fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 17640fb2ed66Smajd@mellanox.com } else { 176519098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 17660fb2ed66Smajd@mellanox.com } 17670fb2ed66Smajd@mellanox.com 1768e126ba97SEli Cohen if (err) { 1769e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1770e126ba97SEli Cohen goto err_create; 1771e126ba97SEli Cohen } 1772e126ba97SEli Cohen 1773479163f4SAl Viro kvfree(in); 1774e126ba97SEli Cohen 177519098df2Smajd@mellanox.com base->container_mibqp = qp; 177619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1777e126ba97SEli Cohen 177889ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 177989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 178089ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 178189ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 178289ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 178389ea94a7SMaor Gottlieb * flow 178489ea94a7SMaor Gottlieb */ 178589ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 178689ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 178789ea94a7SMaor Gottlieb */ 178889ea94a7SMaor Gottlieb if (send_cq) 178989ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 179089ea94a7SMaor Gottlieb if (recv_cq) 179189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 179289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 179389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 179489ea94a7SMaor Gottlieb 1795e126ba97SEli Cohen return 0; 1796e126ba97SEli Cohen 1797e126ba97SEli Cohen err_create: 1798e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 179919098df2Smajd@mellanox.com destroy_qp_user(pd, qp, base); 1800e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1801e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1802e126ba97SEli Cohen 1803479163f4SAl Viro kvfree(in); 1804e126ba97SEli Cohen return err; 1805e126ba97SEli Cohen } 1806e126ba97SEli Cohen 1807e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1808e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1809e126ba97SEli Cohen { 1810e126ba97SEli Cohen if (send_cq) { 1811e126ba97SEli Cohen if (recv_cq) { 1812e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 181389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1814e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1815e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1816e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 181789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1818e126ba97SEli Cohen __acquire(&recv_cq->lock); 1819e126ba97SEli Cohen } else { 182089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1821e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1822e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1823e126ba97SEli Cohen } 1824e126ba97SEli Cohen } else { 182589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 18266a4f139aSEli Cohen __acquire(&recv_cq->lock); 1827e126ba97SEli Cohen } 1828e126ba97SEli Cohen } else if (recv_cq) { 182989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 18306a4f139aSEli Cohen __acquire(&send_cq->lock); 18316a4f139aSEli Cohen } else { 18326a4f139aSEli Cohen __acquire(&send_cq->lock); 18336a4f139aSEli Cohen __acquire(&recv_cq->lock); 1834e126ba97SEli Cohen } 1835e126ba97SEli Cohen } 1836e126ba97SEli Cohen 1837e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1838e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1839e126ba97SEli Cohen { 1840e126ba97SEli Cohen if (send_cq) { 1841e126ba97SEli Cohen if (recv_cq) { 1842e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1843e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 184489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1845e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1846e126ba97SEli Cohen __release(&recv_cq->lock); 184789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1848e126ba97SEli Cohen } else { 1849e126ba97SEli Cohen spin_unlock(&send_cq->lock); 185089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1851e126ba97SEli Cohen } 1852e126ba97SEli Cohen } else { 18536a4f139aSEli Cohen __release(&recv_cq->lock); 185489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1855e126ba97SEli Cohen } 1856e126ba97SEli Cohen } else if (recv_cq) { 18576a4f139aSEli Cohen __release(&send_cq->lock); 185889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 18596a4f139aSEli Cohen } else { 18606a4f139aSEli Cohen __release(&recv_cq->lock); 18616a4f139aSEli Cohen __release(&send_cq->lock); 1862e126ba97SEli Cohen } 1863e126ba97SEli Cohen } 1864e126ba97SEli Cohen 1865e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1866e126ba97SEli Cohen { 1867e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1868e126ba97SEli Cohen } 1869e126ba97SEli Cohen 187089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 187189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1872e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1873e126ba97SEli Cohen { 187489ea94a7SMaor Gottlieb switch (qp_type) { 1875e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1876e126ba97SEli Cohen *send_cq = NULL; 1877e126ba97SEli Cohen *recv_cq = NULL; 1878e126ba97SEli Cohen break; 1879e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1880e126ba97SEli Cohen case IB_QPT_XRC_INI: 188189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1882e126ba97SEli Cohen *recv_cq = NULL; 1883e126ba97SEli Cohen break; 1884e126ba97SEli Cohen 1885e126ba97SEli Cohen case IB_QPT_SMI: 1886d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1887e126ba97SEli Cohen case IB_QPT_RC: 1888e126ba97SEli Cohen case IB_QPT_UC: 1889e126ba97SEli Cohen case IB_QPT_UD: 1890e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1891e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 18920fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 189389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 189489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 1895e126ba97SEli Cohen break; 1896e126ba97SEli Cohen 1897e126ba97SEli Cohen case IB_QPT_MAX: 1898e126ba97SEli Cohen default: 1899e126ba97SEli Cohen *send_cq = NULL; 1900e126ba97SEli Cohen *recv_cq = NULL; 1901e126ba97SEli Cohen break; 1902e126ba97SEli Cohen } 1903e126ba97SEli Cohen } 1904e126ba97SEli Cohen 1905ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 190613eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 190713eab21fSAviv Heller u8 lag_tx_affinity); 1908ad5f8e96Smajd@mellanox.com 1909e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1910e126ba97SEli Cohen { 1911e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 191219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 191389ea94a7SMaor Gottlieb unsigned long flags; 1914e126ba97SEli Cohen int err; 1915e126ba97SEli Cohen 191628d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 191728d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 191828d61370SYishai Hadas return; 191928d61370SYishai Hadas } 192028d61370SYishai Hadas 19210fb2ed66Smajd@mellanox.com base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? 19220fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 19230fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 19240fb2ed66Smajd@mellanox.com 19256aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1926ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { 19276aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 1928ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 19291a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 19301a412fb1SSaeed Mahameed NULL, &base->mqp); 1931ad5f8e96Smajd@mellanox.com } else { 19320680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 19330680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 19340680efa2SAlex Vesker }; 19350680efa2SAlex Vesker 193613eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 1937ad5f8e96Smajd@mellanox.com } 1938ad5f8e96Smajd@mellanox.com if (err) 1939427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 194019098df2Smajd@mellanox.com base->mqp.qpn); 19416aec21f6SHaggai Eran } 1942e126ba97SEli Cohen 194389ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 194489ea94a7SMaor Gottlieb &send_cq, &recv_cq); 194589ea94a7SMaor Gottlieb 194689ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 194789ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 194889ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 194989ea94a7SMaor Gottlieb list_del(&qp->qps_list); 195089ea94a7SMaor Gottlieb if (send_cq) 195189ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 195289ea94a7SMaor Gottlieb 195389ea94a7SMaor Gottlieb if (recv_cq) 195489ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 1955e126ba97SEli Cohen 1956e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 195719098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 1958e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 1959e126ba97SEli Cohen if (send_cq != recv_cq) 196019098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 196119098df2Smajd@mellanox.com NULL); 1962e126ba97SEli Cohen } 196389ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 196489ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 1965e126ba97SEli Cohen 19660fb2ed66Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 19670fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 19680fb2ed66Smajd@mellanox.com } else { 196919098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 1970e126ba97SEli Cohen if (err) 19710fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 19720fb2ed66Smajd@mellanox.com base->mqp.qpn); 19730fb2ed66Smajd@mellanox.com } 1974e126ba97SEli Cohen 1975e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 1976e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1977e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 197819098df2Smajd@mellanox.com destroy_qp_user(&get_pd(qp)->ibpd, qp, base); 1979e126ba97SEli Cohen } 1980e126ba97SEli Cohen 1981e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 1982e126ba97SEli Cohen { 1983e126ba97SEli Cohen switch (type) { 1984e126ba97SEli Cohen case IB_QPT_SMI: 1985e126ba97SEli Cohen return "IB_QPT_SMI"; 1986e126ba97SEli Cohen case IB_QPT_GSI: 1987e126ba97SEli Cohen return "IB_QPT_GSI"; 1988e126ba97SEli Cohen case IB_QPT_RC: 1989e126ba97SEli Cohen return "IB_QPT_RC"; 1990e126ba97SEli Cohen case IB_QPT_UC: 1991e126ba97SEli Cohen return "IB_QPT_UC"; 1992e126ba97SEli Cohen case IB_QPT_UD: 1993e126ba97SEli Cohen return "IB_QPT_UD"; 1994e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1995e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 1996e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1997e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 1998e126ba97SEli Cohen case IB_QPT_XRC_INI: 1999e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2000e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2001e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2002e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2003e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2004e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2005e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2006e126ba97SEli Cohen case IB_QPT_MAX: 2007e126ba97SEli Cohen default: 2008e126ba97SEli Cohen return "Invalid QP type"; 2009e126ba97SEli Cohen } 2010e126ba97SEli Cohen } 2011e126ba97SEli Cohen 2012e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2013e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2014e126ba97SEli Cohen struct ib_udata *udata) 2015e126ba97SEli Cohen { 2016e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2017e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2018e126ba97SEli Cohen u16 xrcdn = 0; 2019e126ba97SEli Cohen int err; 2020e126ba97SEli Cohen 2021e126ba97SEli Cohen if (pd) { 2022e126ba97SEli Cohen dev = to_mdev(pd->device); 20230fb2ed66Smajd@mellanox.com 20240fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 20250fb2ed66Smajd@mellanox.com if (!pd->uobject) { 20260fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 20270fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 20280fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 20290fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 20300fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 20310fb2ed66Smajd@mellanox.com } 20320fb2ed66Smajd@mellanox.com } 203309f16cf5SMajd Dibbiny } else { 203409f16cf5SMajd Dibbiny /* being cautious here */ 203509f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 203609f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 203709f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 203809f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 203909f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 204009f16cf5SMajd Dibbiny } 204109f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2042e126ba97SEli Cohen } 2043e126ba97SEli Cohen 2044e126ba97SEli Cohen switch (init_attr->qp_type) { 2045e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2046e126ba97SEli Cohen case IB_QPT_XRC_INI: 2047938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2048e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2049e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2050e126ba97SEli Cohen } 2051e126ba97SEli Cohen init_attr->recv_cq = NULL; 2052e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2053e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2054e126ba97SEli Cohen init_attr->send_cq = NULL; 2055e126ba97SEli Cohen } 2056e126ba97SEli Cohen 2057e126ba97SEli Cohen /* fall through */ 20580fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2059e126ba97SEli Cohen case IB_QPT_RC: 2060e126ba97SEli Cohen case IB_QPT_UC: 2061e126ba97SEli Cohen case IB_QPT_UD: 2062e126ba97SEli Cohen case IB_QPT_SMI: 2063d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2064e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2065e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2066e126ba97SEli Cohen if (!qp) 2067e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2068e126ba97SEli Cohen 2069e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2070e126ba97SEli Cohen if (err) { 2071e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2072e126ba97SEli Cohen kfree(qp); 2073e126ba97SEli Cohen return ERR_PTR(err); 2074e126ba97SEli Cohen } 2075e126ba97SEli Cohen 2076e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2077e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2078e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2079e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2080e126ba97SEli Cohen else 208119098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2082e126ba97SEli Cohen 2083e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 208419098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 208519098df2Smajd@mellanox.com to_mcq(init_attr->recv_cq)->mcq.cqn, 2086e126ba97SEli Cohen to_mcq(init_attr->send_cq)->mcq.cqn); 2087e126ba97SEli Cohen 208819098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2089e126ba97SEli Cohen 2090e126ba97SEli Cohen break; 2091e126ba97SEli Cohen 2092d16e91daSHaggai Eran case IB_QPT_GSI: 2093d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2094d16e91daSHaggai Eran 2095e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2096e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2097e126ba97SEli Cohen case IB_QPT_MAX: 2098e126ba97SEli Cohen default: 2099e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2100e126ba97SEli Cohen init_attr->qp_type); 2101e126ba97SEli Cohen /* Don't support raw QPs */ 2102e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2103e126ba97SEli Cohen } 2104e126ba97SEli Cohen 2105e126ba97SEli Cohen return &qp->ibqp; 2106e126ba97SEli Cohen } 2107e126ba97SEli Cohen 2108e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2109e126ba97SEli Cohen { 2110e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2111e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2112e126ba97SEli Cohen 2113d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2114d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2115d16e91daSHaggai Eran 2116e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2117e126ba97SEli Cohen 2118e126ba97SEli Cohen kfree(mqp); 2119e126ba97SEli Cohen 2120e126ba97SEli Cohen return 0; 2121e126ba97SEli Cohen } 2122e126ba97SEli Cohen 2123e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2124e126ba97SEli Cohen int attr_mask) 2125e126ba97SEli Cohen { 2126e126ba97SEli Cohen u32 hw_access_flags = 0; 2127e126ba97SEli Cohen u8 dest_rd_atomic; 2128e126ba97SEli Cohen u32 access_flags; 2129e126ba97SEli Cohen 2130e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2131e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2132e126ba97SEli Cohen else 213319098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2134e126ba97SEli Cohen 2135e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2136e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2137e126ba97SEli Cohen else 213819098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2139e126ba97SEli Cohen 2140e126ba97SEli Cohen if (!dest_rd_atomic) 2141e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2142e126ba97SEli Cohen 2143e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2144e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2145e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2146e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2147e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2148e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2149e126ba97SEli Cohen 2150e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2151e126ba97SEli Cohen } 2152e126ba97SEli Cohen 2153e126ba97SEli Cohen enum { 2154e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2155e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2156e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2157e126ba97SEli Cohen }; 2158e126ba97SEli Cohen 2159e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2160e126ba97SEli Cohen { 2161e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2162e126ba97SEli Cohen return 0; 2163e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2164e126ba97SEli Cohen return -EINVAL; 2165e126ba97SEli Cohen } else { 2166e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2167e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2168938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2169e126ba97SEli Cohen --rate; 2170e126ba97SEli Cohen } 2171e126ba97SEli Cohen 2172e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2173e126ba97SEli Cohen } 2174e126ba97SEli Cohen 217575850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 217675850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 217775850d0bSmajd@mellanox.com { 217875850d0bSmajd@mellanox.com void *in; 217975850d0bSmajd@mellanox.com void *tisc; 218075850d0bSmajd@mellanox.com int inlen; 218175850d0bSmajd@mellanox.com int err; 218275850d0bSmajd@mellanox.com 218375850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 218475850d0bSmajd@mellanox.com in = mlx5_vzalloc(inlen); 218575850d0bSmajd@mellanox.com if (!in) 218675850d0bSmajd@mellanox.com return -ENOMEM; 218775850d0bSmajd@mellanox.com 218875850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 218975850d0bSmajd@mellanox.com 219075850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 219175850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 219275850d0bSmajd@mellanox.com 219375850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 219475850d0bSmajd@mellanox.com 219575850d0bSmajd@mellanox.com kvfree(in); 219675850d0bSmajd@mellanox.com 219775850d0bSmajd@mellanox.com return err; 219875850d0bSmajd@mellanox.com } 219975850d0bSmajd@mellanox.com 220013eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 220113eab21fSAviv Heller struct mlx5_ib_sq *sq, u8 tx_affinity) 220213eab21fSAviv Heller { 220313eab21fSAviv Heller void *in; 220413eab21fSAviv Heller void *tisc; 220513eab21fSAviv Heller int inlen; 220613eab21fSAviv Heller int err; 220713eab21fSAviv Heller 220813eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 220913eab21fSAviv Heller in = mlx5_vzalloc(inlen); 221013eab21fSAviv Heller if (!in) 221113eab21fSAviv Heller return -ENOMEM; 221213eab21fSAviv Heller 221313eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 221413eab21fSAviv Heller 221513eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 221613eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 221713eab21fSAviv Heller 221813eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 221913eab21fSAviv Heller 222013eab21fSAviv Heller kvfree(in); 222113eab21fSAviv Heller 222213eab21fSAviv Heller return err; 222313eab21fSAviv Heller } 222413eab21fSAviv Heller 222575850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 222675850d0bSmajd@mellanox.com const struct ib_ah_attr *ah, 2227e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2228f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2229f879ee8dSAchiad Shochat bool alt) 2230e126ba97SEli Cohen { 22312811ba51SAchiad Shochat enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); 2232e126ba97SEli Cohen int err; 2233e126ba97SEli Cohen 2234e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2235f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2236f879ee8dSAchiad Shochat attr->pkey_index); 2237e126ba97SEli Cohen 2238e126ba97SEli Cohen if (ah->ah_flags & IB_AH_GRH) { 2239938fe83cSSaeed Mahameed if (ah->grh.sgid_index >= 2240938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2241f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2242938fe83cSSaeed Mahameed ah->grh.sgid_index, 2243938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2244f83b4263SEli Cohen return -EINVAL; 2245f83b4263SEli Cohen } 22462811ba51SAchiad Shochat } 22472811ba51SAchiad Shochat 22482811ba51SAchiad Shochat if (ll == IB_LINK_LAYER_ETHERNET) { 22492811ba51SAchiad Shochat if (!(ah->ah_flags & IB_AH_GRH)) 22502811ba51SAchiad Shochat return -EINVAL; 22512811ba51SAchiad Shochat memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); 22522811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 22532811ba51SAchiad Shochat ah->grh.sgid_index); 22542811ba51SAchiad Shochat path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; 22552811ba51SAchiad Shochat } else { 2256d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2257d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2258d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 22592811ba51SAchiad Shochat path->rlid = cpu_to_be16(ah->dlid); 22602811ba51SAchiad Shochat path->grh_mlid = ah->src_path_bits & 0x7f; 22612811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) 2262e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 22632811ba51SAchiad Shochat path->dci_cfi_prio_sl = ah->sl & 0xf; 22642811ba51SAchiad Shochat } 22652811ba51SAchiad Shochat 22662811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) { 2267e126ba97SEli Cohen path->mgid_index = ah->grh.sgid_index; 2268e126ba97SEli Cohen path->hop_limit = ah->grh.hop_limit; 2269e126ba97SEli Cohen path->tclass_flowlabel = 2270e126ba97SEli Cohen cpu_to_be32((ah->grh.traffic_class << 20) | 2271e126ba97SEli Cohen (ah->grh.flow_label)); 2272e126ba97SEli Cohen memcpy(path->rgid, ah->grh.dgid.raw, 16); 2273e126ba97SEli Cohen } 2274e126ba97SEli Cohen 2275e126ba97SEli Cohen err = ib_rate_to_mlx5(dev, ah->static_rate); 2276e126ba97SEli Cohen if (err < 0) 2277e126ba97SEli Cohen return err; 2278e126ba97SEli Cohen path->static_rate = err; 2279e126ba97SEli Cohen path->port = port; 2280e126ba97SEli Cohen 2281e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2282f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2283e126ba97SEli Cohen 228475850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 228575850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 228675850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 228775850d0bSmajd@mellanox.com ah->sl & 0xf); 228875850d0bSmajd@mellanox.com 2289e126ba97SEli Cohen return 0; 2290e126ba97SEli Cohen } 2291e126ba97SEli Cohen 2292e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2293e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2294e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2295e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2296e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2297e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2298e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2299e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2300e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2301e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2302e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2303e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2304e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2305e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2306e126ba97SEli Cohen }, 2307e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2308e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2309e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2310e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2311e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2312e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2313e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2314e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2315e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2316e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2317e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2318e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2319e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2320a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2321a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2322a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2323a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2324a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2325e126ba97SEli Cohen }, 2326e126ba97SEli Cohen }, 2327e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2328e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2329e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2330e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2331e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2332e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2333e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2334e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2335e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2336e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2337e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2338e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2339e126ba97SEli Cohen }, 2340e126ba97SEli Cohen }, 2341e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2342e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2343e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2344e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2345e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2346e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2347c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2348c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2349e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2350c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2351c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2352e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2353e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2354e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2355e126ba97SEli Cohen }, 2356e126ba97SEli Cohen }, 2357e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2358e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2359e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2360e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 236175959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2362a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2363a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2364a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2365a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2366e126ba97SEli Cohen }, 2367e126ba97SEli Cohen }, 2368e126ba97SEli Cohen }; 2369e126ba97SEli Cohen 2370e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2371e126ba97SEli Cohen { 2372e126ba97SEli Cohen switch (ib_mask) { 2373e126ba97SEli Cohen case IB_QP_STATE: 2374e126ba97SEli Cohen return 0; 2375e126ba97SEli Cohen case IB_QP_CUR_STATE: 2376e126ba97SEli Cohen return 0; 2377e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2378e126ba97SEli Cohen return 0; 2379e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2380e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2381e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2382e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2383e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2384e126ba97SEli Cohen case IB_QP_PORT: 2385e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2386e126ba97SEli Cohen case IB_QP_QKEY: 2387e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2388e126ba97SEli Cohen case IB_QP_AV: 2389e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2390e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2391e126ba97SEli Cohen case IB_QP_PATH_MTU: 2392e126ba97SEli Cohen return 0; 2393e126ba97SEli Cohen case IB_QP_TIMEOUT: 2394e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2395e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2396e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2397e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2398e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2399e126ba97SEli Cohen case IB_QP_RQ_PSN: 2400e126ba97SEli Cohen return 0; 2401e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2402e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2403e126ba97SEli Cohen case IB_QP_ALT_PATH: 2404e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2405e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2406e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2407e126ba97SEli Cohen case IB_QP_SQ_PSN: 2408e126ba97SEli Cohen return 0; 2409e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2410e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2411e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2412e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2413e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2414e126ba97SEli Cohen case IB_QP_CAP: 2415e126ba97SEli Cohen return 0; 2416e126ba97SEli Cohen case IB_QP_DEST_QPN: 2417e126ba97SEli Cohen return 0; 2418e126ba97SEli Cohen } 2419e126ba97SEli Cohen return 0; 2420e126ba97SEli Cohen } 2421e126ba97SEli Cohen 2422e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2423e126ba97SEli Cohen { 2424e126ba97SEli Cohen int result = 0; 2425e126ba97SEli Cohen int i; 2426e126ba97SEli Cohen 2427e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2428e126ba97SEli Cohen if ((1 << i) & ib_mask) 2429e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2430e126ba97SEli Cohen } 2431e126ba97SEli Cohen 2432e126ba97SEli Cohen return result; 2433e126ba97SEli Cohen } 2434e126ba97SEli Cohen 2435eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 2436eb49ab0cSAlex Vesker struct mlx5_ib_rq *rq, int new_state, 2437eb49ab0cSAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2438ad5f8e96Smajd@mellanox.com { 2439ad5f8e96Smajd@mellanox.com void *in; 2440ad5f8e96Smajd@mellanox.com void *rqc; 2441ad5f8e96Smajd@mellanox.com int inlen; 2442ad5f8e96Smajd@mellanox.com int err; 2443ad5f8e96Smajd@mellanox.com 2444ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 2445ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2446ad5f8e96Smajd@mellanox.com if (!in) 2447ad5f8e96Smajd@mellanox.com return -ENOMEM; 2448ad5f8e96Smajd@mellanox.com 2449ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2450ad5f8e96Smajd@mellanox.com 2451ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2452ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2453ad5f8e96Smajd@mellanox.com 2454eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2455eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2456eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 2457eb49ab0cSAlex Vesker MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_MODIFY_RQ_COUNTER_SET_ID); 2458eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2459eb49ab0cSAlex Vesker } else 2460eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2461eb49ab0cSAlex Vesker dev->ib_dev.name); 2462eb49ab0cSAlex Vesker } 2463eb49ab0cSAlex Vesker 2464eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2465ad5f8e96Smajd@mellanox.com if (err) 2466ad5f8e96Smajd@mellanox.com goto out; 2467ad5f8e96Smajd@mellanox.com 2468ad5f8e96Smajd@mellanox.com rq->state = new_state; 2469ad5f8e96Smajd@mellanox.com 2470ad5f8e96Smajd@mellanox.com out: 2471ad5f8e96Smajd@mellanox.com kvfree(in); 2472ad5f8e96Smajd@mellanox.com return err; 2473ad5f8e96Smajd@mellanox.com } 2474ad5f8e96Smajd@mellanox.com 2475ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 24767d29f349SBodong Wang struct mlx5_ib_sq *sq, 24777d29f349SBodong Wang int new_state, 24787d29f349SBodong Wang const struct mlx5_modify_raw_qp_param *raw_qp_param) 2479ad5f8e96Smajd@mellanox.com { 24807d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 24817d29f349SBodong Wang u32 old_rate = ibqp->rate_limit; 24827d29f349SBodong Wang u32 new_rate = old_rate; 24837d29f349SBodong Wang u16 rl_index = 0; 2484ad5f8e96Smajd@mellanox.com void *in; 2485ad5f8e96Smajd@mellanox.com void *sqc; 2486ad5f8e96Smajd@mellanox.com int inlen; 2487ad5f8e96Smajd@mellanox.com int err; 2488ad5f8e96Smajd@mellanox.com 2489ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 2490ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2491ad5f8e96Smajd@mellanox.com if (!in) 2492ad5f8e96Smajd@mellanox.com return -ENOMEM; 2493ad5f8e96Smajd@mellanox.com 2494ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2495ad5f8e96Smajd@mellanox.com 2496ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2497ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2498ad5f8e96Smajd@mellanox.com 24997d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 25007d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 25017d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 25027d29f349SBodong Wang __func__); 25037d29f349SBodong Wang else 25047d29f349SBodong Wang new_rate = raw_qp_param->rate_limit; 25057d29f349SBodong Wang } 2506ad5f8e96Smajd@mellanox.com 25077d29f349SBodong Wang if (old_rate != new_rate) { 25087d29f349SBodong Wang if (new_rate) { 25097d29f349SBodong Wang err = mlx5_rl_add_rate(dev, new_rate, &rl_index); 25107d29f349SBodong Wang if (err) { 25117d29f349SBodong Wang pr_err("Failed configuring rate %u: %d\n", 25127d29f349SBodong Wang new_rate, err); 25137d29f349SBodong Wang goto out; 25147d29f349SBodong Wang } 25157d29f349SBodong Wang } 25167d29f349SBodong Wang 25177d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 25187d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 25197d29f349SBodong Wang } 25207d29f349SBodong Wang 25217d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 25227d29f349SBodong Wang if (err) { 25237d29f349SBodong Wang /* Remove new rate from table if failed */ 25247d29f349SBodong Wang if (new_rate && 25257d29f349SBodong Wang old_rate != new_rate) 25267d29f349SBodong Wang mlx5_rl_remove_rate(dev, new_rate); 25277d29f349SBodong Wang goto out; 25287d29f349SBodong Wang } 25297d29f349SBodong Wang 25307d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 25317d29f349SBodong Wang if ((old_rate && 25327d29f349SBodong Wang (old_rate != new_rate)) || 25337d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 25347d29f349SBodong Wang mlx5_rl_remove_rate(dev, old_rate); 25357d29f349SBodong Wang 25367d29f349SBodong Wang ibqp->rate_limit = new_rate; 2537ad5f8e96Smajd@mellanox.com sq->state = new_state; 2538ad5f8e96Smajd@mellanox.com 2539ad5f8e96Smajd@mellanox.com out: 2540ad5f8e96Smajd@mellanox.com kvfree(in); 2541ad5f8e96Smajd@mellanox.com return err; 2542ad5f8e96Smajd@mellanox.com } 2543ad5f8e96Smajd@mellanox.com 2544ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 254513eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 254613eab21fSAviv Heller u8 tx_affinity) 2547ad5f8e96Smajd@mellanox.com { 2548ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2549ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2550ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 25517d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 25527d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 2553ad5f8e96Smajd@mellanox.com int rq_state; 2554ad5f8e96Smajd@mellanox.com int sq_state; 2555ad5f8e96Smajd@mellanox.com int err; 2556ad5f8e96Smajd@mellanox.com 25570680efa2SAlex Vesker switch (raw_qp_param->operation) { 2558ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2559ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2560ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2561ad5f8e96Smajd@mellanox.com break; 2562ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2563ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2564ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2565ad5f8e96Smajd@mellanox.com break; 2566ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2567ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2568ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2569ad5f8e96Smajd@mellanox.com break; 2570ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2571ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 25727d29f349SBodong Wang if (raw_qp_param->set_mask == 25737d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 25747d29f349SBodong Wang modify_rq = 0; 25757d29f349SBodong Wang sq_state = sq->state; 25767d29f349SBodong Wang } else { 25777d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 25787d29f349SBodong Wang } 25797d29f349SBodong Wang break; 25807d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 25817d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 2582eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2583eb49ab0cSAlex Vesker return -EINVAL; 2584eb49ab0cSAlex Vesker else 2585ad5f8e96Smajd@mellanox.com return 0; 2586ad5f8e96Smajd@mellanox.com default: 2587ad5f8e96Smajd@mellanox.com WARN_ON(1); 2588ad5f8e96Smajd@mellanox.com return -EINVAL; 2589ad5f8e96Smajd@mellanox.com } 2590ad5f8e96Smajd@mellanox.com 25917d29f349SBodong Wang if (modify_rq) { 2592eb49ab0cSAlex Vesker err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); 2593ad5f8e96Smajd@mellanox.com if (err) 2594ad5f8e96Smajd@mellanox.com return err; 2595ad5f8e96Smajd@mellanox.com } 2596ad5f8e96Smajd@mellanox.com 25977d29f349SBodong Wang if (modify_sq) { 259813eab21fSAviv Heller if (tx_affinity) { 259913eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 260013eab21fSAviv Heller tx_affinity); 260113eab21fSAviv Heller if (err) 260213eab21fSAviv Heller return err; 260313eab21fSAviv Heller } 260413eab21fSAviv Heller 26057d29f349SBodong Wang return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); 260613eab21fSAviv Heller } 2607ad5f8e96Smajd@mellanox.com 2608ad5f8e96Smajd@mellanox.com return 0; 2609ad5f8e96Smajd@mellanox.com } 2610ad5f8e96Smajd@mellanox.com 2611e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2612e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2613e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2614e126ba97SEli Cohen { 2615427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2616427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2617427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2618427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2619427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2620427c1e7bSmajd@mellanox.com }, 2621427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2622427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2623427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2624427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2625427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2626427c1e7bSmajd@mellanox.com }, 2627427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2628427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2629427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2630427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2631427c1e7bSmajd@mellanox.com }, 2632427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2633427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2634427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2635427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2636427c1e7bSmajd@mellanox.com }, 2637427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2638427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2639427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2640427c1e7bSmajd@mellanox.com }, 2641427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2642427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2643427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2644427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2645427c1e7bSmajd@mellanox.com }, 2646427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2647427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2648427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2649427c1e7bSmajd@mellanox.com } 2650427c1e7bSmajd@mellanox.com }; 2651427c1e7bSmajd@mellanox.com 2652e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2653e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 265419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2655e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2656e126ba97SEli Cohen struct mlx5_qp_context *context; 2657e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2658eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 2659e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2660e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2661e126ba97SEli Cohen int mlx5_st; 2662e126ba97SEli Cohen int err; 2663427c1e7bSmajd@mellanox.com u16 op; 266413eab21fSAviv Heller u8 tx_affinity = 0; 2665e126ba97SEli Cohen 26661a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 26671a412fb1SSaeed Mahameed if (!context) 2668e126ba97SEli Cohen return -ENOMEM; 2669e126ba97SEli Cohen 2670e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2671158abf86SHaggai Eran if (err < 0) { 2672158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2673e126ba97SEli Cohen goto out; 2674158abf86SHaggai Eran } 2675e126ba97SEli Cohen 2676e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2677e126ba97SEli Cohen 2678e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2679e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2680e126ba97SEli Cohen } else { 2681e126ba97SEli Cohen switch (attr->path_mig_state) { 2682e126ba97SEli Cohen case IB_MIG_MIGRATED: 2683e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2684e126ba97SEli Cohen break; 2685e126ba97SEli Cohen case IB_MIG_REARM: 2686e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2687e126ba97SEli Cohen break; 2688e126ba97SEli Cohen case IB_MIG_ARMED: 2689e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2690e126ba97SEli Cohen break; 2691e126ba97SEli Cohen } 2692e126ba97SEli Cohen } 2693e126ba97SEli Cohen 269413eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 269513eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 269613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 269713eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 269813eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 269913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 270013eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 270113eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 270213eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 270313eab21fSAviv Heller tx_affinity = (unsigned int)atomic_add_return(1, 270413eab21fSAviv Heller &dev->roce.next_port) % 270513eab21fSAviv Heller MLX5_MAX_PORTS + 1; 270613eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 270713eab21fSAviv Heller } 270813eab21fSAviv Heller } 270913eab21fSAviv Heller } 271013eab21fSAviv Heller 2711d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2712e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2713e126ba97SEli Cohen } else if (ibqp->qp_type == IB_QPT_UD || 2714e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2715e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2716e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2717e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2718e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2719e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2720e126ba97SEli Cohen err = -EINVAL; 2721e126ba97SEli Cohen goto out; 2722e126ba97SEli Cohen } 2723938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2724938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2725e126ba97SEli Cohen } 2726e126ba97SEli Cohen 2727e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2728e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2729e126ba97SEli Cohen 2730e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2731d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2732e126ba97SEli Cohen 2733e126ba97SEli Cohen /* todo implement counter_index functionality */ 2734e126ba97SEli Cohen 2735e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2736e126ba97SEli Cohen context->pri_path.port = qp->port; 2737e126ba97SEli Cohen 2738e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2739e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2740e126ba97SEli Cohen 2741e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 274275850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2743e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2744f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2745e126ba97SEli Cohen if (err) 2746e126ba97SEli Cohen goto out; 2747e126ba97SEli Cohen } 2748e126ba97SEli Cohen 2749e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2750e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2751e126ba97SEli Cohen 2752e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 275375850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 275475850d0bSmajd@mellanox.com &context->alt_path, 2755f879ee8dSAchiad Shochat attr->alt_port_num, 2756f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2757f879ee8dSAchiad Shochat 0, attr, true); 2758e126ba97SEli Cohen if (err) 2759e126ba97SEli Cohen goto out; 2760e126ba97SEli Cohen } 2761e126ba97SEli Cohen 2762e126ba97SEli Cohen pd = get_pd(qp); 276389ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 276489ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2765e126ba97SEli Cohen 2766e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2767e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2768e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2769e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2770e126ba97SEli Cohen 2771e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2772e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2773e126ba97SEli Cohen 2774e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2775e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2776e126ba97SEli Cohen 2777e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2778e126ba97SEli Cohen if (attr->max_rd_atomic) 2779e126ba97SEli Cohen context->params1 |= 2780e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2781e126ba97SEli Cohen } 2782e126ba97SEli Cohen 2783e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2784e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2785e126ba97SEli Cohen 2786e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2787e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2788e126ba97SEli Cohen context->params2 |= 2789e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2790e126ba97SEli Cohen } 2791e126ba97SEli Cohen 2792e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2793e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2794e126ba97SEli Cohen 2795e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2796e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2797e126ba97SEli Cohen 2798e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2799e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2800e126ba97SEli Cohen 2801e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2802e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2803e126ba97SEli Cohen 2804e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2805e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2806e126ba97SEli Cohen 28070837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 28080837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 28090837e86aSMark Bloch qp->port) - 1; 2810eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 28110837e86aSMark Bloch context->qp_counter_set_usr_page |= 2812321a9e3eSAlex Vesker cpu_to_be32((u32)(mibport->q_cnt_id) << 24); 28130837e86aSMark Bloch } 28140837e86aSMark Bloch 2815e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2816e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2817e126ba97SEli Cohen 2818b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2819b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2820e126ba97SEli Cohen 2821e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2822e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2823e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 282407c9113fSEli Cohen if (mlx5_st < 0) 2825e126ba97SEli Cohen goto out; 2826e126ba97SEli Cohen 28276aec21f6SHaggai Eran /* If moving to a reset or error state, we must disable page faults on 28286aec21f6SHaggai Eran * this QP and flush all current page faults. Otherwise a stale page 28296aec21f6SHaggai Eran * fault may attempt to work on this QP after it is reset and moved 28306aec21f6SHaggai Eran * again to RTS, and may cause the driver and the device to get out of 28316aec21f6SHaggai Eran * sync. */ 28326aec21f6SHaggai Eran if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR && 2833ad5f8e96Smajd@mellanox.com (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR) && 2834ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 28356aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 28366aec21f6SHaggai Eran 2837427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2838427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2839427c1e7bSmajd@mellanox.com goto out; 2840427c1e7bSmajd@mellanox.com 2841427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2842e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2843e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2844ad5f8e96Smajd@mellanox.com 28450680efa2SAlex Vesker if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 28460680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 28470680efa2SAlex Vesker 28480680efa2SAlex Vesker raw_qp_param.operation = op; 2849eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 2850eb49ab0cSAlex Vesker raw_qp_param.rq_q_ctr_id = mibport->q_cnt_id; 2851eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 2852eb49ab0cSAlex Vesker } 28537d29f349SBodong Wang 28547d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 28557d29f349SBodong Wang raw_qp_param.rate_limit = attr->rate_limit; 28567d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 28577d29f349SBodong Wang } 28587d29f349SBodong Wang 285913eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 28600680efa2SAlex Vesker } else { 28611a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 286219098df2Smajd@mellanox.com &base->mqp); 28630680efa2SAlex Vesker } 28640680efa2SAlex Vesker 2865e126ba97SEli Cohen if (err) 2866e126ba97SEli Cohen goto out; 2867e126ba97SEli Cohen 2868ad5f8e96Smajd@mellanox.com if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT && 2869ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 28706aec21f6SHaggai Eran mlx5_ib_qp_enable_pagefaults(qp); 28716aec21f6SHaggai Eran 2872e126ba97SEli Cohen qp->state = new_state; 2873e126ba97SEli Cohen 2874e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 287519098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2876e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 287719098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2878e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2879e126ba97SEli Cohen qp->port = attr->port_num; 2880e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 288119098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2882e126ba97SEli Cohen 2883e126ba97SEli Cohen /* 2884e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2885e126ba97SEli Cohen * entries and reinitialize the QP. 2886e126ba97SEli Cohen */ 2887e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 288819098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2889e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2890e126ba97SEli Cohen if (send_cq != recv_cq) 289119098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2892e126ba97SEli Cohen 2893e126ba97SEli Cohen qp->rq.head = 0; 2894e126ba97SEli Cohen qp->rq.tail = 0; 2895e126ba97SEli Cohen qp->sq.head = 0; 2896e126ba97SEli Cohen qp->sq.tail = 0; 2897e126ba97SEli Cohen qp->sq.cur_post = 0; 2898e126ba97SEli Cohen qp->sq.last_poll = 0; 2899e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2900e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2901e126ba97SEli Cohen } 2902e126ba97SEli Cohen 2903e126ba97SEli Cohen out: 29041a412fb1SSaeed Mahameed kfree(context); 2905e126ba97SEli Cohen return err; 2906e126ba97SEli Cohen } 2907e126ba97SEli Cohen 2908e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2909e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2910e126ba97SEli Cohen { 2911e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2912e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2913d16e91daSHaggai Eran enum ib_qp_type qp_type; 2914e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2915e126ba97SEli Cohen int err = -EINVAL; 2916e126ba97SEli Cohen int port; 29172811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2918e126ba97SEli Cohen 291928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 292028d61370SYishai Hadas return -ENOSYS; 292128d61370SYishai Hadas 2922d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 2923d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 2924d16e91daSHaggai Eran 2925d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 2926d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 2927d16e91daSHaggai Eran 2928e126ba97SEli Cohen mutex_lock(&qp->mutex); 2929e126ba97SEli Cohen 2930e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 2931e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 2932e126ba97SEli Cohen 29332811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 29342811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 29352811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 29362811ba51SAchiad Shochat } 29372811ba51SAchiad Shochat 2938d16e91daSHaggai Eran if (qp_type != MLX5_IB_QPT_REG_UMR && 2939d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 2940158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 2941158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 2942e126ba97SEli Cohen goto out; 2943158abf86SHaggai Eran } 2944e126ba97SEli Cohen 2945e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 2946938fe83cSSaeed Mahameed (attr->port_num == 0 || 2947158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 2948158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 2949158abf86SHaggai Eran attr->port_num, dev->num_ports); 2950e126ba97SEli Cohen goto out; 2951158abf86SHaggai Eran } 2952e126ba97SEli Cohen 2953e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 2954e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 2955938fe83cSSaeed Mahameed if (attr->pkey_index >= 2956158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 2957158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 2958158abf86SHaggai Eran attr->pkey_index); 2959e126ba97SEli Cohen goto out; 2960e126ba97SEli Cohen } 2961158abf86SHaggai Eran } 2962e126ba97SEli Cohen 2963e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 2964938fe83cSSaeed Mahameed attr->max_rd_atomic > 2965158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 2966158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 2967158abf86SHaggai Eran attr->max_rd_atomic); 2968e126ba97SEli Cohen goto out; 2969158abf86SHaggai Eran } 2970e126ba97SEli Cohen 2971e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 2972938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 2973158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 2974158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 2975158abf86SHaggai Eran attr->max_dest_rd_atomic); 2976e126ba97SEli Cohen goto out; 2977158abf86SHaggai Eran } 2978e126ba97SEli Cohen 2979e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 2980e126ba97SEli Cohen err = 0; 2981e126ba97SEli Cohen goto out; 2982e126ba97SEli Cohen } 2983e126ba97SEli Cohen 2984e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 2985e126ba97SEli Cohen 2986e126ba97SEli Cohen out: 2987e126ba97SEli Cohen mutex_unlock(&qp->mutex); 2988e126ba97SEli Cohen return err; 2989e126ba97SEli Cohen } 2990e126ba97SEli Cohen 2991e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 2992e126ba97SEli Cohen { 2993e126ba97SEli Cohen struct mlx5_ib_cq *cq; 2994e126ba97SEli Cohen unsigned cur; 2995e126ba97SEli Cohen 2996e126ba97SEli Cohen cur = wq->head - wq->tail; 2997e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 2998e126ba97SEli Cohen return 0; 2999e126ba97SEli Cohen 3000e126ba97SEli Cohen cq = to_mcq(ib_cq); 3001e126ba97SEli Cohen spin_lock(&cq->lock); 3002e126ba97SEli Cohen cur = wq->head - wq->tail; 3003e126ba97SEli Cohen spin_unlock(&cq->lock); 3004e126ba97SEli Cohen 3005e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3006e126ba97SEli Cohen } 3007e126ba97SEli Cohen 3008e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3009e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3010e126ba97SEli Cohen { 3011e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3012e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3013e126ba97SEli Cohen rseg->reserved = 0; 3014e126ba97SEli Cohen } 3015e126ba97SEli Cohen 3016f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 3017f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 3018f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 3019f0313965SErez Shitrit { 3020f0313965SErez Shitrit void *seg = eseg; 3021f0313965SErez Shitrit 3022f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3023f0313965SErez Shitrit 3024f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3025f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3026f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3027f0313965SErez Shitrit 3028f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 3029f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3030f0313965SErez Shitrit 3031f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3032f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 3033f0313965SErez Shitrit int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start); 3034f0313965SErez Shitrit u64 left, leftlen, copysz; 3035f0313965SErez Shitrit void *pdata = ud_wr->header; 3036f0313965SErez Shitrit 3037f0313965SErez Shitrit left = ud_wr->hlen; 3038f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 3039f0313965SErez Shitrit eseg->inline_hdr_sz = cpu_to_be16(left); 3040f0313965SErez Shitrit 3041f0313965SErez Shitrit /* 3042f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 3043f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 3044f0313965SErez Shitrit * rollback and than the copy the left 3045f0313965SErez Shitrit */ 3046f0313965SErez Shitrit leftlen = qend - (void *)eseg->inline_hdr_start; 3047f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 3048f0313965SErez Shitrit 3049f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 3050f0313965SErez Shitrit 3051f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 3052f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 3053f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 3054f0313965SErez Shitrit } 3055f0313965SErez Shitrit 3056f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 3057f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3058f0313965SErez Shitrit left -= copysz; 3059f0313965SErez Shitrit pdata += copysz; 3060f0313965SErez Shitrit memcpy(seg, pdata, left); 3061f0313965SErez Shitrit seg += ALIGN(left, 16); 3062f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 3063f0313965SErez Shitrit } 3064f0313965SErez Shitrit } 3065f0313965SErez Shitrit 3066f0313965SErez Shitrit return seg; 3067f0313965SErez Shitrit } 3068f0313965SErez Shitrit 3069e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3070e126ba97SEli Cohen struct ib_send_wr *wr) 3071e126ba97SEli Cohen { 3072e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3073e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3074e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3075e126ba97SEli Cohen } 3076e126ba97SEli Cohen 3077e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3078e126ba97SEli Cohen { 3079e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3080e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3081e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3082e126ba97SEli Cohen } 3083e126ba97SEli Cohen 3084e126ba97SEli Cohen static __be16 get_klm_octo(int npages) 3085e126ba97SEli Cohen { 3086e126ba97SEli Cohen return cpu_to_be16(ALIGN(npages, 8) / 2); 3087e126ba97SEli Cohen } 3088e126ba97SEli Cohen 3089e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3090e126ba97SEli Cohen { 3091e126ba97SEli Cohen u64 result; 3092e126ba97SEli Cohen 3093e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3094e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3095e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3096e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3097e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3098e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3099e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3100e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3101e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3102e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3103e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3104e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3105e126ba97SEli Cohen 3106e126ba97SEli Cohen return cpu_to_be64(result); 3107e126ba97SEli Cohen } 3108e126ba97SEli Cohen 3109e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3110e6631814SSagi Grimberg { 3111e6631814SSagi Grimberg u64 result; 3112e6631814SSagi Grimberg 3113e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3114e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3115e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3116d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3117e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3118e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3119e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3120e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3121e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3122e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3123e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3124e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3125e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3126e6631814SSagi Grimberg 3127e6631814SSagi Grimberg return cpu_to_be64(result); 3128e6631814SSagi Grimberg } 3129e6631814SSagi Grimberg 31308a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 31318a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 31328a187ee5SSagi Grimberg { 31338a187ee5SSagi Grimberg int ndescs = mr->ndescs; 31348a187ee5SSagi Grimberg 31358a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3136b005d316SSagi Grimberg 3137ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3138b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3139b005d316SSagi Grimberg ndescs *= 2; 3140b005d316SSagi Grimberg 31418a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 31428a187ee5SSagi Grimberg umr->klm_octowords = get_klm_octo(ndescs); 31438a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 31448a187ee5SSagi Grimberg } 31458a187ee5SSagi Grimberg 3146dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3147e126ba97SEli Cohen { 3148e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3149e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 31502d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3151e126ba97SEli Cohen } 3152e126ba97SEli Cohen 3153578e7264SMaor Gottlieb static __be64 get_umr_reg_mr_mask(int atomic) 3154e126ba97SEli Cohen { 3155968e78ddSHaggai Eran u64 result; 3156e126ba97SEli Cohen 3157968e78ddSHaggai Eran result = MLX5_MKEY_MASK_LEN | 3158e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3159e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3160e126ba97SEli Cohen MLX5_MKEY_MASK_PD | 3161e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3162e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3163746b5583SEli Cohen MLX5_MKEY_MASK_KEY | 3164e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3165e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3166e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3167968e78ddSHaggai Eran 3168578e7264SMaor Gottlieb if (atomic) 3169578e7264SMaor Gottlieb result |= MLX5_MKEY_MASK_A; 3170578e7264SMaor Gottlieb 3171968e78ddSHaggai Eran return cpu_to_be64(result); 3172968e78ddSHaggai Eran } 3173968e78ddSHaggai Eran 3174968e78ddSHaggai Eran static __be64 get_umr_unreg_mr_mask(void) 3175968e78ddSHaggai Eran { 3176968e78ddSHaggai Eran u64 result; 3177968e78ddSHaggai Eran 3178968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3179968e78ddSHaggai Eran 3180968e78ddSHaggai Eran return cpu_to_be64(result); 3181968e78ddSHaggai Eran } 3182968e78ddSHaggai Eran 3183968e78ddSHaggai Eran static __be64 get_umr_update_mtt_mask(void) 3184968e78ddSHaggai Eran { 3185968e78ddSHaggai Eran u64 result; 3186968e78ddSHaggai Eran 3187968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3188968e78ddSHaggai Eran 3189968e78ddSHaggai Eran return cpu_to_be64(result); 3190968e78ddSHaggai Eran } 3191968e78ddSHaggai Eran 319256e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 319356e11d62SNoa Osherovich { 319456e11d62SNoa Osherovich u64 result; 319556e11d62SNoa Osherovich 319656e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 319756e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 319856e11d62SNoa Osherovich MLX5_MKEY_MASK_START_ADDR | 319956e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 320056e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 320156e11d62SNoa Osherovich 320256e11d62SNoa Osherovich return cpu_to_be64(result); 320356e11d62SNoa Osherovich } 320456e11d62SNoa Osherovich 320556e11d62SNoa Osherovich static __be64 get_umr_update_access_mask(void) 320656e11d62SNoa Osherovich { 320756e11d62SNoa Osherovich u64 result; 320856e11d62SNoa Osherovich 320956e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LW | 321056e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 321156e11d62SNoa Osherovich MLX5_MKEY_MASK_RW | 321256e11d62SNoa Osherovich MLX5_MKEY_MASK_A | 321356e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 321456e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 321556e11d62SNoa Osherovich 321656e11d62SNoa Osherovich return cpu_to_be64(result); 321756e11d62SNoa Osherovich } 321856e11d62SNoa Osherovich 321956e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 322056e11d62SNoa Osherovich { 322156e11d62SNoa Osherovich u64 result; 322256e11d62SNoa Osherovich 322356e11d62SNoa Osherovich result = MLX5_MKEY_MASK_PD | 322456e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 322556e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 322656e11d62SNoa Osherovich 322756e11d62SNoa Osherovich return cpu_to_be64(result); 322856e11d62SNoa Osherovich } 322956e11d62SNoa Osherovich 3230968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3231578e7264SMaor Gottlieb struct ib_send_wr *wr, int atomic) 3232968e78ddSHaggai Eran { 3233e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3234968e78ddSHaggai Eran 3235968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3236968e78ddSHaggai Eran 3237968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3238968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3239968e78ddSHaggai Eran else 3240968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3241968e78ddSHaggai Eran 3242968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UNREG)) { 3243968e78ddSHaggai Eran umr->klm_octowords = get_klm_octo(umrwr->npages); 3244968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT) { 3245968e78ddSHaggai Eran umr->mkey_mask = get_umr_update_mtt_mask(); 3246968e78ddSHaggai Eran umr->bsf_octowords = get_klm_octo(umrwr->target.offset); 3247968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3248968e78ddSHaggai Eran } 324956e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 325056e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 325156e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_ACCESS) 325256e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_access_mask(); 325356e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD) 325456e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 325556e11d62SNoa Osherovich if (!umr->mkey_mask) 3256578e7264SMaor Gottlieb umr->mkey_mask = get_umr_reg_mr_mask(atomic); 3257968e78ddSHaggai Eran } else { 3258968e78ddSHaggai Eran umr->mkey_mask = get_umr_unreg_mr_mask(); 3259e126ba97SEli Cohen } 3260e126ba97SEli Cohen 3261e126ba97SEli Cohen if (!wr->num_sge) 3262968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3263e126ba97SEli Cohen } 3264e126ba97SEli Cohen 3265e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3266e126ba97SEli Cohen { 3267e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3268e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3269e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3270e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 32712ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3272e126ba97SEli Cohen } 3273e126ba97SEli Cohen 32748a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 32758a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 32768a187ee5SSagi Grimberg u32 key, int access) 32778a187ee5SSagi Grimberg { 32788a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 32798a187ee5SSagi Grimberg 32808a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3281b005d316SSagi Grimberg 3282ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3283b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3284ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3285b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3286b005d316SSagi Grimberg ndescs *= 2; 3287b005d316SSagi Grimberg 3288b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 32898a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 32908a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 32918a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 32928a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 32938a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 32948a187ee5SSagi Grimberg } 32958a187ee5SSagi Grimberg 3296dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3297e126ba97SEli Cohen { 3298e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3299968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3300e126ba97SEli Cohen } 3301e126ba97SEli Cohen 3302e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3303e126ba97SEli Cohen { 3304e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3305968e78ddSHaggai Eran 3306e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3307e126ba97SEli Cohen if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) { 3308968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3309e126ba97SEli Cohen return; 3310e126ba97SEli Cohen } 3311e126ba97SEli Cohen 3312968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 3313968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT)) { 331456e11d62SNoa Osherovich if (umrwr->pd) 3315968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 3316968e78ddSHaggai Eran seg->start_addr = cpu_to_be64(umrwr->target.virt_addr); 3317968e78ddSHaggai Eran } 3318968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3319968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3320746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3321968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3322e126ba97SEli Cohen } 3323e126ba97SEli Cohen 33248a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 33258a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 33268a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 33278a187ee5SSagi Grimberg { 33288a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 33298a187ee5SSagi Grimberg 33308a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 33318a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 33328a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 33338a187ee5SSagi Grimberg } 33348a187ee5SSagi Grimberg 3335e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3336e126ba97SEli Cohen { 3337e126ba97SEli Cohen switch (wr->opcode) { 3338e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3339e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3340e126ba97SEli Cohen return wr->ex.imm_data; 3341e126ba97SEli Cohen 3342e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3343e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3344e126ba97SEli Cohen 3345e126ba97SEli Cohen default: 3346e126ba97SEli Cohen return 0; 3347e126ba97SEli Cohen } 3348e126ba97SEli Cohen } 3349e126ba97SEli Cohen 3350e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3351e126ba97SEli Cohen { 3352e126ba97SEli Cohen u8 *p = wqe; 3353e126ba97SEli Cohen u8 res = 0; 3354e126ba97SEli Cohen int i; 3355e126ba97SEli Cohen 3356e126ba97SEli Cohen for (i = 0; i < size; i++) 3357e126ba97SEli Cohen res ^= p[i]; 3358e126ba97SEli Cohen 3359e126ba97SEli Cohen return ~res; 3360e126ba97SEli Cohen } 3361e126ba97SEli Cohen 3362e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3363e126ba97SEli Cohen { 3364e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3365e126ba97SEli Cohen } 3366e126ba97SEli Cohen 3367e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3368e126ba97SEli Cohen void *wqe, int *sz) 3369e126ba97SEli Cohen { 3370e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3371e126ba97SEli Cohen void *qend = qp->sq.qend; 3372e126ba97SEli Cohen void *addr; 3373e126ba97SEli Cohen int inl = 0; 3374e126ba97SEli Cohen int copy; 3375e126ba97SEli Cohen int len; 3376e126ba97SEli Cohen int i; 3377e126ba97SEli Cohen 3378e126ba97SEli Cohen seg = wqe; 3379e126ba97SEli Cohen wqe += sizeof(*seg); 3380e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3381e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3382e126ba97SEli Cohen len = wr->sg_list[i].length; 3383e126ba97SEli Cohen inl += len; 3384e126ba97SEli Cohen 3385e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3386e126ba97SEli Cohen return -ENOMEM; 3387e126ba97SEli Cohen 3388e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3389e126ba97SEli Cohen copy = qend - wqe; 3390e126ba97SEli Cohen memcpy(wqe, addr, copy); 3391e126ba97SEli Cohen addr += copy; 3392e126ba97SEli Cohen len -= copy; 3393e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3394e126ba97SEli Cohen } 3395e126ba97SEli Cohen memcpy(wqe, addr, len); 3396e126ba97SEli Cohen wqe += len; 3397e126ba97SEli Cohen } 3398e126ba97SEli Cohen 3399e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3400e126ba97SEli Cohen 3401e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3402e126ba97SEli Cohen 3403e126ba97SEli Cohen return 0; 3404e126ba97SEli Cohen } 3405e126ba97SEli Cohen 3406e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3407e6631814SSagi Grimberg { 3408e6631814SSagi Grimberg switch (type) { 3409e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3410e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3411e6631814SSagi Grimberg default: 3412e6631814SSagi Grimberg return 0; 3413e6631814SSagi Grimberg } 3414e6631814SSagi Grimberg } 3415e6631814SSagi Grimberg 3416e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3417e6631814SSagi Grimberg { 3418e6631814SSagi Grimberg switch (block_size) { 3419e6631814SSagi Grimberg case 512: return 0x1; 3420e6631814SSagi Grimberg case 520: return 0x2; 3421e6631814SSagi Grimberg case 4096: return 0x3; 3422e6631814SSagi Grimberg case 4160: return 0x4; 3423e6631814SSagi Grimberg case 1073741824: return 0x5; 3424e6631814SSagi Grimberg default: return 0; 3425e6631814SSagi Grimberg } 3426e6631814SSagi Grimberg } 3427e6631814SSagi Grimberg 342878eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3429142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3430e6631814SSagi Grimberg { 3431142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3432142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3433142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3434142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3435142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3436142537f4SSagi Grimberg /* repeating block */ 3437142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3438142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3439142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3440e6631814SSagi Grimberg 344178eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 344278eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3443e6631814SSagi Grimberg 344478eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 344578eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 344678eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 344778eda2bbSSagi Grimberg else 344878eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3449e6631814SSagi Grimberg } 3450e6631814SSagi Grimberg 345178eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 345278eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3453e6631814SSagi Grimberg } 3454e6631814SSagi Grimberg 3455e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3456e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3457e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3458e6631814SSagi Grimberg { 3459e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3460e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3461e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3462e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3463e6631814SSagi Grimberg 3464c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3465e6631814SSagi Grimberg 3466142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3467142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3468e6631814SSagi Grimberg /* Input domain check byte mask */ 3469e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 347078eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 347178eda2bbSSagi Grimberg 347278eda2bbSSagi Grimberg /* Memory domain */ 347378eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 347478eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 347578eda2bbSSagi Grimberg break; 347678eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 347778eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 347878eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 347978eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 348078eda2bbSSagi Grimberg break; 348178eda2bbSSagi Grimberg default: 348278eda2bbSSagi Grimberg return -EINVAL; 348378eda2bbSSagi Grimberg } 348478eda2bbSSagi Grimberg 348578eda2bbSSagi Grimberg /* Wire domain */ 348678eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 348778eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 348878eda2bbSSagi Grimberg break; 348978eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3490e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 349178eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3492e6631814SSagi Grimberg /* Same block structure */ 3493142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3494e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3495fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3496c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3497fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3498c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3499fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3500e6631814SSagi Grimberg } else 3501e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3502e6631814SSagi Grimberg 3503142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 350478eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3505e6631814SSagi Grimberg break; 3506e6631814SSagi Grimberg default: 3507e6631814SSagi Grimberg return -EINVAL; 3508e6631814SSagi Grimberg } 3509e6631814SSagi Grimberg 3510e6631814SSagi Grimberg return 0; 3511e6631814SSagi Grimberg } 3512e6631814SSagi Grimberg 3513e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3514e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3515e6631814SSagi Grimberg { 3516e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3517e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3518e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3519e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3520e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3521e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3522e6631814SSagi Grimberg int ret; 3523e6631814SSagi Grimberg int wqe_size; 3524e6631814SSagi Grimberg 3525e622f2f4SChristoph Hellwig if (!wr->prot || 3526e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3527e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3528e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3529e6631814SSagi Grimberg /** 3530e6631814SSagi Grimberg * Source domain doesn't contain signature information 35315c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3532e6631814SSagi Grimberg * So need construct: 3533e6631814SSagi Grimberg * ------------------ 3534e6631814SSagi Grimberg * | data_klm | 3535e6631814SSagi Grimberg * ------------------ 3536e6631814SSagi Grimberg * | BSF | 3537e6631814SSagi Grimberg * ------------------ 3538e6631814SSagi Grimberg **/ 3539e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3540e6631814SSagi Grimberg 3541e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3542e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3543e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3544e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3545e6631814SSagi Grimberg } else { 3546e6631814SSagi Grimberg /** 3547e6631814SSagi Grimberg * Source domain contains signature information 3548e6631814SSagi Grimberg * So need construct a strided block format: 3549e6631814SSagi Grimberg * --------------------------- 3550e6631814SSagi Grimberg * | stride_block_ctrl | 3551e6631814SSagi Grimberg * --------------------------- 3552e6631814SSagi Grimberg * | data_klm | 3553e6631814SSagi Grimberg * --------------------------- 3554e6631814SSagi Grimberg * | prot_klm | 3555e6631814SSagi Grimberg * --------------------------- 3556e6631814SSagi Grimberg * | BSF | 3557e6631814SSagi Grimberg * --------------------------- 3558e6631814SSagi Grimberg **/ 3559e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3560e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3561e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3562e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3563e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3564e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3565e6631814SSagi Grimberg int prot_size; 3566e6631814SSagi Grimberg 3567e6631814SSagi Grimberg sblock_ctrl = *seg; 3568e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3569e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3570e6631814SSagi Grimberg 3571e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3572e6631814SSagi Grimberg if (!prot_size) { 3573e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3574e6631814SSagi Grimberg return -EINVAL; 3575e6631814SSagi Grimberg } 3576e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3577e6631814SSagi Grimberg prot_size); 3578e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3579e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3580e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3581e6631814SSagi Grimberg 3582e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3583e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3584e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 35855c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 35865c273b16SSagi Grimberg 3587e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3588e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3589e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3590e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 35915c273b16SSagi Grimberg 3592e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3593e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3594e6631814SSagi Grimberg } 3595e6631814SSagi Grimberg 3596e6631814SSagi Grimberg *seg += wqe_size; 3597e6631814SSagi Grimberg *size += wqe_size / 16; 3598e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3599e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3600e6631814SSagi Grimberg 3601e6631814SSagi Grimberg bsf = *seg; 3602e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3603e6631814SSagi Grimberg if (ret) 3604e6631814SSagi Grimberg return -EINVAL; 3605e6631814SSagi Grimberg 3606e6631814SSagi Grimberg *seg += sizeof(*bsf); 3607e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3608e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3609e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3610e6631814SSagi Grimberg 3611e6631814SSagi Grimberg return 0; 3612e6631814SSagi Grimberg } 3613e6631814SSagi Grimberg 3614e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 3615e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr, u32 nelements, 3616e6631814SSagi Grimberg u32 length, u32 pdn) 3617e6631814SSagi Grimberg { 3618e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3619e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3620d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3621e6631814SSagi Grimberg 3622e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3623e6631814SSagi Grimberg 3624e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3625ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3626e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3627d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3628e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3629e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 3630e6631814SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements))); 3631e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3632e6631814SSagi Grimberg } 3633e6631814SSagi Grimberg 3634e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3635e622f2f4SChristoph Hellwig u32 nelements) 3636e6631814SSagi Grimberg { 3637e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3638e6631814SSagi Grimberg 3639e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 3640e6631814SSagi Grimberg umr->klm_octowords = get_klm_octo(nelements); 3641e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3642e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3643e6631814SSagi Grimberg } 3644e6631814SSagi Grimberg 3645e6631814SSagi Grimberg 3646e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3647e6631814SSagi Grimberg void **seg, int *size) 3648e6631814SSagi Grimberg { 3649e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3650e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3651e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 3652e6631814SSagi Grimberg u32 klm_oct_size; 3653e6631814SSagi Grimberg int region_len, ret; 3654e6631814SSagi Grimberg 3655e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3656e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3657d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3658d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3659e6631814SSagi Grimberg return -EINVAL; 3660e6631814SSagi Grimberg 3661e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3662e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3663e622f2f4SChristoph Hellwig if (wr->prot && 3664e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3665e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3666e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3667e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3668e6631814SSagi Grimberg 3669e6631814SSagi Grimberg /** 3670e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3671e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3672e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3673e6631814SSagi Grimberg **/ 3674e622f2f4SChristoph Hellwig klm_oct_size = wr->prot ? 3 : 1; 3675e6631814SSagi Grimberg 3676e622f2f4SChristoph Hellwig set_sig_umr_segment(*seg, klm_oct_size); 3677e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3678e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3679e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3680e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3681e6631814SSagi Grimberg 3682e6631814SSagi Grimberg set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn); 3683e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3684e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3685e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3686e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3687e6631814SSagi Grimberg 3688e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3689e6631814SSagi Grimberg if (ret) 3690e6631814SSagi Grimberg return ret; 3691e6631814SSagi Grimberg 3692d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3693e6631814SSagi Grimberg return 0; 3694e6631814SSagi Grimberg } 3695e6631814SSagi Grimberg 3696e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3697e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3698e6631814SSagi Grimberg { 3699e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3700e6631814SSagi Grimberg 3701e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3702e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3703e6631814SSagi Grimberg switch (domain->sig_type) { 370478eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 370578eda2bbSSagi Grimberg break; 3706e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3707e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3708e6631814SSagi Grimberg domain->sig.dif.app_tag); 3709e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3710e6631814SSagi Grimberg break; 3711e6631814SSagi Grimberg default: 3712e6631814SSagi Grimberg pr_err("Bad signature type given.\n"); 3713e6631814SSagi Grimberg return 1; 3714e6631814SSagi Grimberg } 3715e6631814SSagi Grimberg 371678eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 371778eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 371878eda2bbSSagi Grimberg 3719e6631814SSagi Grimberg return 0; 3720e6631814SSagi Grimberg } 3721e6631814SSagi Grimberg 37228a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 37238a187ee5SSagi Grimberg struct ib_reg_wr *wr, 37248a187ee5SSagi Grimberg void **seg, int *size) 37258a187ee5SSagi Grimberg { 37268a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 37278a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 37288a187ee5SSagi Grimberg 37298a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 37308a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 37318a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 37328a187ee5SSagi Grimberg return -EINVAL; 37338a187ee5SSagi Grimberg } 37348a187ee5SSagi Grimberg 37358a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 37368a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 37378a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 37388a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 37398a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 37408a187ee5SSagi Grimberg 37418a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 37428a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 37438a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 37448a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 37458a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 37468a187ee5SSagi Grimberg 37478a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 37488a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 37498a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 37508a187ee5SSagi Grimberg 37518a187ee5SSagi Grimberg return 0; 37528a187ee5SSagi Grimberg } 37538a187ee5SSagi Grimberg 3754dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3755e126ba97SEli Cohen { 3756dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3757e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3758e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3759e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3760e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3761dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3762e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3763e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3764e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3765e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3766e126ba97SEli Cohen } 3767e126ba97SEli Cohen 3768e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3769e126ba97SEli Cohen { 3770e126ba97SEli Cohen __be32 *p = NULL; 3771e126ba97SEli Cohen int tidx = idx; 3772e126ba97SEli Cohen int i, j; 3773e126ba97SEli Cohen 3774e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3775e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3776e126ba97SEli Cohen if ((i & 0xf) == 0) { 3777e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3778e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3779e126ba97SEli Cohen p = buf; 3780e126ba97SEli Cohen j = 0; 3781e126ba97SEli Cohen } 3782e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3783e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3784e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3785e126ba97SEli Cohen } 3786e126ba97SEli Cohen } 3787e126ba97SEli Cohen 3788e126ba97SEli Cohen static void mlx5_bf_copy(u64 __iomem *dst, u64 *src, 3789e126ba97SEli Cohen unsigned bytecnt, struct mlx5_ib_qp *qp) 3790e126ba97SEli Cohen { 3791e126ba97SEli Cohen while (bytecnt > 0) { 3792e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3793e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3794e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3795e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3796e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3797e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3798e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3799e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3800e126ba97SEli Cohen bytecnt -= 64; 3801e126ba97SEli Cohen if (unlikely(src == qp->sq.qend)) 3802e126ba97SEli Cohen src = mlx5_get_send_wqe(qp, 0); 3803e126ba97SEli Cohen } 3804e126ba97SEli Cohen } 3805e126ba97SEli Cohen 3806e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr) 3807e126ba97SEli Cohen { 3808e126ba97SEli Cohen if (unlikely(wr->opcode == IB_WR_LOCAL_INV && 3809e126ba97SEli Cohen wr->send_flags & IB_SEND_FENCE)) 3810e126ba97SEli Cohen return MLX5_FENCE_MODE_STRONG_ORDERING; 3811e126ba97SEli Cohen 3812e126ba97SEli Cohen if (unlikely(fence)) { 3813e126ba97SEli Cohen if (wr->send_flags & IB_SEND_FENCE) 3814e126ba97SEli Cohen return MLX5_FENCE_MODE_SMALL_AND_FENCE; 3815e126ba97SEli Cohen else 3816e126ba97SEli Cohen return fence; 3817c9b25495SEli Cohen } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { 3818c9b25495SEli Cohen return MLX5_FENCE_MODE_FENCE; 3819e126ba97SEli Cohen } 3820c9b25495SEli Cohen 3821c9b25495SEli Cohen return 0; 3822e126ba97SEli Cohen } 3823e126ba97SEli Cohen 38246e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 38256e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 38266a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 38276e5eadacSSagi Grimberg int *size, int nreq) 38286e5eadacSSagi Grimberg { 3829b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 3830b2a232d2SLeon Romanovsky return -ENOMEM; 38316e5eadacSSagi Grimberg 38326e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 38336e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 38346e5eadacSSagi Grimberg *ctrl = *seg; 38356e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 38366e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 38376e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 38386e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 38396e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 38406e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 38416e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 38426e5eadacSSagi Grimberg 38436e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 38446e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 38456e5eadacSSagi Grimberg 3846b2a232d2SLeon Romanovsky return 0; 38476e5eadacSSagi Grimberg } 38486e5eadacSSagi Grimberg 38496e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 38506e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 38516e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 38526e5eadacSSagi Grimberg int nreq, u8 fence, u8 next_fence, 38536e5eadacSSagi Grimberg u32 mlx5_opcode) 38546e5eadacSSagi Grimberg { 38556e5eadacSSagi Grimberg u8 opmod = 0; 38566e5eadacSSagi Grimberg 38576e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 38586e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 385919098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 38606e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 38616e5eadacSSagi Grimberg qp->fm_cache = next_fence; 38626e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 38636e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 38646e5eadacSSagi Grimberg 38656e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 38666e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 38676e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 38686e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 38696e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 38706e5eadacSSagi Grimberg } 38716e5eadacSSagi Grimberg 38726e5eadacSSagi Grimberg 3873e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3874e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3875e126ba97SEli Cohen { 3876e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3877e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 387889ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 3879d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3880e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3881e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3882e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3883d16e91daSHaggai Eran struct mlx5_bf *bf; 3884e126ba97SEli Cohen int uninitialized_var(size); 3885d16e91daSHaggai Eran void *qend; 3886e126ba97SEli Cohen unsigned long flags; 3887e126ba97SEli Cohen unsigned idx; 3888e126ba97SEli Cohen int err = 0; 3889e126ba97SEli Cohen int inl = 0; 3890e126ba97SEli Cohen int num_sge; 3891e126ba97SEli Cohen void *seg; 3892e126ba97SEli Cohen int nreq; 3893e126ba97SEli Cohen int i; 3894e126ba97SEli Cohen u8 next_fence = 0; 3895e126ba97SEli Cohen u8 fence; 3896e126ba97SEli Cohen 3897d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3898d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3899d16e91daSHaggai Eran 3900d16e91daSHaggai Eran qp = to_mqp(ibqp); 3901d16e91daSHaggai Eran bf = qp->bf; 3902d16e91daSHaggai Eran qend = qp->sq.qend; 3903d16e91daSHaggai Eran 3904e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3905e126ba97SEli Cohen 390689ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 390789ea94a7SMaor Gottlieb err = -EIO; 390889ea94a7SMaor Gottlieb *bad_wr = wr; 390989ea94a7SMaor Gottlieb nreq = 0; 391089ea94a7SMaor Gottlieb goto out; 391189ea94a7SMaor Gottlieb } 391289ea94a7SMaor Gottlieb 3913e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3914a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3915e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3916e126ba97SEli Cohen err = -EINVAL; 3917e126ba97SEli Cohen *bad_wr = wr; 3918e126ba97SEli Cohen goto out; 3919e126ba97SEli Cohen } 3920e126ba97SEli Cohen 3921e126ba97SEli Cohen fence = qp->fm_cache; 3922e126ba97SEli Cohen num_sge = wr->num_sge; 3923e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3924e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 392524be409bSChuck Lever err = -EINVAL; 3926e126ba97SEli Cohen *bad_wr = wr; 3927e126ba97SEli Cohen goto out; 3928e126ba97SEli Cohen } 3929e126ba97SEli Cohen 39306e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 39316e5eadacSSagi Grimberg if (err) { 39326e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 39336e5eadacSSagi Grimberg err = -ENOMEM; 39346e5eadacSSagi Grimberg *bad_wr = wr; 39356e5eadacSSagi Grimberg goto out; 39366e5eadacSSagi Grimberg } 3937e126ba97SEli Cohen 3938e126ba97SEli Cohen switch (ibqp->qp_type) { 3939e126ba97SEli Cohen case IB_QPT_XRC_INI: 3940e126ba97SEli Cohen xrc = seg; 3941e126ba97SEli Cohen seg += sizeof(*xrc); 3942e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3943e126ba97SEli Cohen /* fall through */ 3944e126ba97SEli Cohen case IB_QPT_RC: 3945e126ba97SEli Cohen switch (wr->opcode) { 3946e126ba97SEli Cohen case IB_WR_RDMA_READ: 3947e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3948e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3949e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3950e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3951e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3952e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3953e126ba97SEli Cohen break; 3954e126ba97SEli Cohen 3955e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3956e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3957e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 395881bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 395981bea28fSEli Cohen err = -ENOSYS; 396081bea28fSEli Cohen *bad_wr = wr; 396181bea28fSEli Cohen goto out; 3962e126ba97SEli Cohen 3963e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3964e126ba97SEli Cohen next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3965e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3966e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3967dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3968e126ba97SEli Cohen num_sge = 0; 3969e126ba97SEli Cohen break; 3970e126ba97SEli Cohen 39718a187ee5SSagi Grimberg case IB_WR_REG_MR: 39728a187ee5SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 39738a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 39748a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 39758a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 39768a187ee5SSagi Grimberg if (err) { 39778a187ee5SSagi Grimberg *bad_wr = wr; 39788a187ee5SSagi Grimberg goto out; 39798a187ee5SSagi Grimberg } 39808a187ee5SSagi Grimberg num_sge = 0; 39818a187ee5SSagi Grimberg break; 39828a187ee5SSagi Grimberg 3983e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 3984e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 3985e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 3986e6631814SSagi Grimberg 3987e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 3988e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 3989e6631814SSagi Grimberg if (err) { 3990e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3991e6631814SSagi Grimberg *bad_wr = wr; 3992e6631814SSagi Grimberg goto out; 3993e6631814SSagi Grimberg } 3994e6631814SSagi Grimberg 3995e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3996e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3997e6631814SSagi Grimberg next_fence, MLX5_OPCODE_UMR); 3998e6631814SSagi Grimberg /* 3999e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4000e6631814SSagi Grimberg * on error 4001e6631814SSagi Grimberg */ 4002e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 4003e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 4004e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4005e6631814SSagi Grimberg &idx, &size, nreq); 4006e6631814SSagi Grimberg if (err) { 4007e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4008e6631814SSagi Grimberg err = -ENOMEM; 4009e6631814SSagi Grimberg *bad_wr = wr; 4010e6631814SSagi Grimberg goto out; 4011e6631814SSagi Grimberg } 4012e6631814SSagi Grimberg 4013e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4014e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4015e6631814SSagi Grimberg &size); 4016e6631814SSagi Grimberg if (err) { 4017e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4018e6631814SSagi Grimberg *bad_wr = wr; 4019e6631814SSagi Grimberg goto out; 4020e6631814SSagi Grimberg } 4021e6631814SSagi Grimberg 4022e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 4023e6631814SSagi Grimberg nreq, get_fence(fence, wr), 4024e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 4025e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4026e6631814SSagi Grimberg &idx, &size, nreq); 4027e6631814SSagi Grimberg if (err) { 4028e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4029e6631814SSagi Grimberg err = -ENOMEM; 4030e6631814SSagi Grimberg *bad_wr = wr; 4031e6631814SSagi Grimberg goto out; 4032e6631814SSagi Grimberg } 4033e6631814SSagi Grimberg 4034e6631814SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4035e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4036e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4037e6631814SSagi Grimberg &size); 4038e6631814SSagi Grimberg if (err) { 4039e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4040e6631814SSagi Grimberg *bad_wr = wr; 4041e6631814SSagi Grimberg goto out; 4042e6631814SSagi Grimberg } 4043e6631814SSagi Grimberg 4044e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 4045e6631814SSagi Grimberg nreq, get_fence(fence, wr), 4046e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 4047e6631814SSagi Grimberg num_sge = 0; 4048e6631814SSagi Grimberg goto skip_psv; 4049e6631814SSagi Grimberg 4050e126ba97SEli Cohen default: 4051e126ba97SEli Cohen break; 4052e126ba97SEli Cohen } 4053e126ba97SEli Cohen break; 4054e126ba97SEli Cohen 4055e126ba97SEli Cohen case IB_QPT_UC: 4056e126ba97SEli Cohen switch (wr->opcode) { 4057e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4058e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4059e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4060e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4061e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4062e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4063e126ba97SEli Cohen break; 4064e126ba97SEli Cohen 4065e126ba97SEli Cohen default: 4066e126ba97SEli Cohen break; 4067e126ba97SEli Cohen } 4068e126ba97SEli Cohen break; 4069e126ba97SEli Cohen 4070e126ba97SEli Cohen case IB_QPT_SMI: 4071d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4072e126ba97SEli Cohen set_datagram_seg(seg, wr); 4073e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4074e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4075e126ba97SEli Cohen if (unlikely((seg == qend))) 4076e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4077e126ba97SEli Cohen break; 4078f0313965SErez Shitrit case IB_QPT_UD: 4079f0313965SErez Shitrit set_datagram_seg(seg, wr); 4080f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4081f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4082e126ba97SEli Cohen 4083f0313965SErez Shitrit if (unlikely((seg == qend))) 4084f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4085f0313965SErez Shitrit 4086f0313965SErez Shitrit /* handle qp that supports ud offload */ 4087f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4088f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4089f0313965SErez Shitrit 4090f0313965SErez Shitrit pad = seg; 4091f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4092f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4093f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 4094f0313965SErez Shitrit 4095f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 4096f0313965SErez Shitrit 4097f0313965SErez Shitrit if (unlikely((seg == qend))) 4098f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4099f0313965SErez Shitrit } 4100f0313965SErez Shitrit break; 4101e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4102e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4103e126ba97SEli Cohen err = -EINVAL; 4104e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4105e126ba97SEli Cohen goto out; 4106e126ba97SEli Cohen } 4107e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4108e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4109578e7264SMaor Gottlieb set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4110e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4111e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4112e126ba97SEli Cohen if (unlikely((seg == qend))) 4113e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4114e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4115e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4116e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 4117e126ba97SEli Cohen if (unlikely((seg == qend))) 4118e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4119e126ba97SEli Cohen break; 4120e126ba97SEli Cohen 4121e126ba97SEli Cohen default: 4122e126ba97SEli Cohen break; 4123e126ba97SEli Cohen } 4124e126ba97SEli Cohen 4125e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 4126e126ba97SEli Cohen int uninitialized_var(sz); 4127e126ba97SEli Cohen 4128e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 4129e126ba97SEli Cohen if (unlikely(err)) { 4130e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4131e126ba97SEli Cohen *bad_wr = wr; 4132e126ba97SEli Cohen goto out; 4133e126ba97SEli Cohen } 4134e126ba97SEli Cohen inl = 1; 4135e126ba97SEli Cohen size += sz; 4136e126ba97SEli Cohen } else { 4137e126ba97SEli Cohen dpseg = seg; 4138e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4139e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4140e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4141e126ba97SEli Cohen dpseg = seg; 4142e126ba97SEli Cohen } 4143e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4144e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4145e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4146e126ba97SEli Cohen dpseg++; 4147e126ba97SEli Cohen } 4148e126ba97SEli Cohen } 4149e126ba97SEli Cohen } 4150e126ba97SEli Cohen 41516e5eadacSSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 41526e5eadacSSagi Grimberg get_fence(fence, wr), next_fence, 41536e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4154e6631814SSagi Grimberg skip_psv: 4155e126ba97SEli Cohen if (0) 4156e126ba97SEli Cohen dump_wqe(qp, idx, size); 4157e126ba97SEli Cohen } 4158e126ba97SEli Cohen 4159e126ba97SEli Cohen out: 4160e126ba97SEli Cohen if (likely(nreq)) { 4161e126ba97SEli Cohen qp->sq.head += nreq; 4162e126ba97SEli Cohen 4163e126ba97SEli Cohen /* Make sure that descriptors are written before 4164e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4165e126ba97SEli Cohen */ 4166e126ba97SEli Cohen wmb(); 4167e126ba97SEli Cohen 4168e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4169e126ba97SEli Cohen 4170ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4171ada388f7SEli Cohen * we hit doorbell */ 4172ada388f7SEli Cohen wmb(); 4173ada388f7SEli Cohen 4174e126ba97SEli Cohen if (bf->need_lock) 4175e126ba97SEli Cohen spin_lock(&bf->lock); 41766a4f139aSEli Cohen else 41776a4f139aSEli Cohen __acquire(&bf->lock); 4178e126ba97SEli Cohen 4179e126ba97SEli Cohen /* TBD enable WC */ 4180e126ba97SEli Cohen if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) { 4181e126ba97SEli Cohen mlx5_bf_copy(bf->reg + bf->offset, (u64 *)ctrl, ALIGN(size * 16, 64), qp); 4182e126ba97SEli Cohen /* wc_wmb(); */ 4183e126ba97SEli Cohen } else { 4184e126ba97SEli Cohen mlx5_write64((__be32 *)ctrl, bf->regreg + bf->offset, 4185e126ba97SEli Cohen MLX5_GET_DOORBELL_LOCK(&bf->lock32)); 4186e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4187e126ba97SEli Cohen * and reach the HCA out of order. 4188e126ba97SEli Cohen */ 4189e126ba97SEli Cohen mmiowb(); 4190e126ba97SEli Cohen } 4191e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4192e126ba97SEli Cohen if (bf->need_lock) 4193e126ba97SEli Cohen spin_unlock(&bf->lock); 41946a4f139aSEli Cohen else 41956a4f139aSEli Cohen __release(&bf->lock); 4196e126ba97SEli Cohen } 4197e126ba97SEli Cohen 4198e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4199e126ba97SEli Cohen 4200e126ba97SEli Cohen return err; 4201e126ba97SEli Cohen } 4202e126ba97SEli Cohen 4203e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4204e126ba97SEli Cohen { 4205e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4206e126ba97SEli Cohen } 4207e126ba97SEli Cohen 4208e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4209e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4210e126ba97SEli Cohen { 4211e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4212e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4213e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 421489ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 421589ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4216e126ba97SEli Cohen unsigned long flags; 4217e126ba97SEli Cohen int err = 0; 4218e126ba97SEli Cohen int nreq; 4219e126ba97SEli Cohen int ind; 4220e126ba97SEli Cohen int i; 4221e126ba97SEli Cohen 4222d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4223d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4224d16e91daSHaggai Eran 4225e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4226e126ba97SEli Cohen 422789ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 422889ea94a7SMaor Gottlieb err = -EIO; 422989ea94a7SMaor Gottlieb *bad_wr = wr; 423089ea94a7SMaor Gottlieb nreq = 0; 423189ea94a7SMaor Gottlieb goto out; 423289ea94a7SMaor Gottlieb } 423389ea94a7SMaor Gottlieb 4234e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4235e126ba97SEli Cohen 4236e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4237e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4238e126ba97SEli Cohen err = -ENOMEM; 4239e126ba97SEli Cohen *bad_wr = wr; 4240e126ba97SEli Cohen goto out; 4241e126ba97SEli Cohen } 4242e126ba97SEli Cohen 4243e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4244e126ba97SEli Cohen err = -EINVAL; 4245e126ba97SEli Cohen *bad_wr = wr; 4246e126ba97SEli Cohen goto out; 4247e126ba97SEli Cohen } 4248e126ba97SEli Cohen 4249e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4250e126ba97SEli Cohen if (qp->wq_sig) 4251e126ba97SEli Cohen scat++; 4252e126ba97SEli Cohen 4253e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4254e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4255e126ba97SEli Cohen 4256e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4257e126ba97SEli Cohen scat[i].byte_count = 0; 4258e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4259e126ba97SEli Cohen scat[i].addr = 0; 4260e126ba97SEli Cohen } 4261e126ba97SEli Cohen 4262e126ba97SEli Cohen if (qp->wq_sig) { 4263e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4264e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4265e126ba97SEli Cohen } 4266e126ba97SEli Cohen 4267e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4268e126ba97SEli Cohen 4269e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4270e126ba97SEli Cohen } 4271e126ba97SEli Cohen 4272e126ba97SEli Cohen out: 4273e126ba97SEli Cohen if (likely(nreq)) { 4274e126ba97SEli Cohen qp->rq.head += nreq; 4275e126ba97SEli Cohen 4276e126ba97SEli Cohen /* Make sure that descriptors are written before 4277e126ba97SEli Cohen * doorbell record. 4278e126ba97SEli Cohen */ 4279e126ba97SEli Cohen wmb(); 4280e126ba97SEli Cohen 4281e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4282e126ba97SEli Cohen } 4283e126ba97SEli Cohen 4284e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4285e126ba97SEli Cohen 4286e126ba97SEli Cohen return err; 4287e126ba97SEli Cohen } 4288e126ba97SEli Cohen 4289e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4290e126ba97SEli Cohen { 4291e126ba97SEli Cohen switch (mlx5_state) { 4292e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4293e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4294e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4295e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4296e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4297e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4298e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4299e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4300e126ba97SEli Cohen default: return -1; 4301e126ba97SEli Cohen } 4302e126ba97SEli Cohen } 4303e126ba97SEli Cohen 4304e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4305e126ba97SEli Cohen { 4306e126ba97SEli Cohen switch (mlx5_mig_state) { 4307e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4308e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4309e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4310e126ba97SEli Cohen default: return -1; 4311e126ba97SEli Cohen } 4312e126ba97SEli Cohen } 4313e126ba97SEli Cohen 4314e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4315e126ba97SEli Cohen { 4316e126ba97SEli Cohen int ib_flags = 0; 4317e126ba97SEli Cohen 4318e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4319e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4320e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4321e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4322e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4323e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4324e126ba97SEli Cohen 4325e126ba97SEli Cohen return ib_flags; 4326e126ba97SEli Cohen } 4327e126ba97SEli Cohen 4328e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, 4329e126ba97SEli Cohen struct mlx5_qp_path *path) 4330e126ba97SEli Cohen { 43319603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4332e126ba97SEli Cohen 4333e126ba97SEli Cohen memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); 4334e126ba97SEli Cohen ib_ah_attr->port_num = path->port; 4335e126ba97SEli Cohen 4336c7a08ac7SEli Cohen if (ib_ah_attr->port_num == 0 || 4337938fe83cSSaeed Mahameed ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) 4338e126ba97SEli Cohen return; 4339e126ba97SEli Cohen 43402811ba51SAchiad Shochat ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; 4341e126ba97SEli Cohen 4342e126ba97SEli Cohen ib_ah_attr->dlid = be16_to_cpu(path->rlid); 4343e126ba97SEli Cohen ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; 4344e126ba97SEli Cohen ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; 4345e126ba97SEli Cohen ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; 4346e126ba97SEli Cohen if (ib_ah_attr->ah_flags) { 4347e126ba97SEli Cohen ib_ah_attr->grh.sgid_index = path->mgid_index; 4348e126ba97SEli Cohen ib_ah_attr->grh.hop_limit = path->hop_limit; 4349e126ba97SEli Cohen ib_ah_attr->grh.traffic_class = 4350e126ba97SEli Cohen (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; 4351e126ba97SEli Cohen ib_ah_attr->grh.flow_label = 4352e126ba97SEli Cohen be32_to_cpu(path->tclass_flowlabel) & 0xfffff; 4353e126ba97SEli Cohen memcpy(ib_ah_attr->grh.dgid.raw, 4354e126ba97SEli Cohen path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); 4355e126ba97SEli Cohen } 4356e126ba97SEli Cohen } 4357e126ba97SEli Cohen 43586d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43596d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 43606d2f89dfSmajd@mellanox.com u8 *sq_state) 4361e126ba97SEli Cohen { 43626d2f89dfSmajd@mellanox.com void *out; 43636d2f89dfSmajd@mellanox.com void *sqc; 43646d2f89dfSmajd@mellanox.com int inlen; 43656d2f89dfSmajd@mellanox.com int err; 43666d2f89dfSmajd@mellanox.com 43676d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 43686d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 43696d2f89dfSmajd@mellanox.com if (!out) 43706d2f89dfSmajd@mellanox.com return -ENOMEM; 43716d2f89dfSmajd@mellanox.com 43726d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 43736d2f89dfSmajd@mellanox.com if (err) 43746d2f89dfSmajd@mellanox.com goto out; 43756d2f89dfSmajd@mellanox.com 43766d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 43776d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 43786d2f89dfSmajd@mellanox.com sq->state = *sq_state; 43796d2f89dfSmajd@mellanox.com 43806d2f89dfSmajd@mellanox.com out: 43816d2f89dfSmajd@mellanox.com kvfree(out); 43826d2f89dfSmajd@mellanox.com return err; 43836d2f89dfSmajd@mellanox.com } 43846d2f89dfSmajd@mellanox.com 43856d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 43866d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 43876d2f89dfSmajd@mellanox.com u8 *rq_state) 43886d2f89dfSmajd@mellanox.com { 43896d2f89dfSmajd@mellanox.com void *out; 43906d2f89dfSmajd@mellanox.com void *rqc; 43916d2f89dfSmajd@mellanox.com int inlen; 43926d2f89dfSmajd@mellanox.com int err; 43936d2f89dfSmajd@mellanox.com 43946d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 43956d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 43966d2f89dfSmajd@mellanox.com if (!out) 43976d2f89dfSmajd@mellanox.com return -ENOMEM; 43986d2f89dfSmajd@mellanox.com 43996d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 44006d2f89dfSmajd@mellanox.com if (err) 44016d2f89dfSmajd@mellanox.com goto out; 44026d2f89dfSmajd@mellanox.com 44036d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 44046d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 44056d2f89dfSmajd@mellanox.com rq->state = *rq_state; 44066d2f89dfSmajd@mellanox.com 44076d2f89dfSmajd@mellanox.com out: 44086d2f89dfSmajd@mellanox.com kvfree(out); 44096d2f89dfSmajd@mellanox.com return err; 44106d2f89dfSmajd@mellanox.com } 44116d2f89dfSmajd@mellanox.com 44126d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 44136d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 44146d2f89dfSmajd@mellanox.com { 44156d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 44166d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 44176d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44186d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44196d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 44206d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 44216d2f89dfSmajd@mellanox.com }, 44226d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 44236d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44246d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44256d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 44266d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 44276d2f89dfSmajd@mellanox.com }, 44286d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 44296d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44306d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44316d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 44326d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 44336d2f89dfSmajd@mellanox.com }, 44346d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 44356d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44366d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44376d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 44386d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 44396d2f89dfSmajd@mellanox.com }, 44406d2f89dfSmajd@mellanox.com }; 44416d2f89dfSmajd@mellanox.com 44426d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 44436d2f89dfSmajd@mellanox.com 44446d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 44456d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 44466d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 44476d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 44486d2f89dfSmajd@mellanox.com return -EINVAL; 44496d2f89dfSmajd@mellanox.com } 44506d2f89dfSmajd@mellanox.com 44516d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 44526d2f89dfSmajd@mellanox.com *qp_state = qp->state; 44536d2f89dfSmajd@mellanox.com 44546d2f89dfSmajd@mellanox.com return 0; 44556d2f89dfSmajd@mellanox.com } 44566d2f89dfSmajd@mellanox.com 44576d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 44586d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 44596d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 44606d2f89dfSmajd@mellanox.com { 44616d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 44626d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 44636d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 44646d2f89dfSmajd@mellanox.com int err; 44656d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44666d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44676d2f89dfSmajd@mellanox.com 44686d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 44696d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 44706d2f89dfSmajd@mellanox.com if (err) 44716d2f89dfSmajd@mellanox.com return err; 44726d2f89dfSmajd@mellanox.com } 44736d2f89dfSmajd@mellanox.com 44746d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 44756d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 44766d2f89dfSmajd@mellanox.com if (err) 44776d2f89dfSmajd@mellanox.com return err; 44786d2f89dfSmajd@mellanox.com } 44796d2f89dfSmajd@mellanox.com 44806d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 44816d2f89dfSmajd@mellanox.com raw_packet_qp_state); 44826d2f89dfSmajd@mellanox.com } 44836d2f89dfSmajd@mellanox.com 44846d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 44856d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 44866d2f89dfSmajd@mellanox.com { 448709a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4488e126ba97SEli Cohen struct mlx5_qp_context *context; 4489e126ba97SEli Cohen int mlx5_state; 449009a7d9ecSSaeed Mahameed u32 *outb; 4491e126ba97SEli Cohen int err = 0; 4492e126ba97SEli Cohen 449309a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 44946d2f89dfSmajd@mellanox.com if (!outb) 44956d2f89dfSmajd@mellanox.com return -ENOMEM; 44966d2f89dfSmajd@mellanox.com 449719098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 449809a7d9ecSSaeed Mahameed outlen); 4499e126ba97SEli Cohen if (err) 45006d2f89dfSmajd@mellanox.com goto out; 4501e126ba97SEli Cohen 450209a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 450309a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 450409a7d9ecSSaeed Mahameed 4505e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4506e126ba97SEli Cohen 4507e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4508e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4509e126ba97SEli Cohen qp_attr->path_mig_state = 4510e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4511e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4512e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4513e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4514e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4515e126ba97SEli Cohen qp_attr->qp_access_flags = 4516e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4517e126ba97SEli Cohen 4518e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 4519e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 4520e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4521d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4522d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4523e126ba97SEli Cohen qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; 4524e126ba97SEli Cohen } 4525e126ba97SEli Cohen 4526d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4527e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4528e126ba97SEli Cohen 4529e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4530e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4531e126ba97SEli Cohen 4532e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4533e126ba97SEli Cohen 4534e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4535e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4536e126ba97SEli Cohen qp_attr->min_rnr_timer = 4537e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4538e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4539e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4540e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4541e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 45426d2f89dfSmajd@mellanox.com 45436d2f89dfSmajd@mellanox.com out: 45446d2f89dfSmajd@mellanox.com kfree(outb); 45456d2f89dfSmajd@mellanox.com return err; 45466d2f89dfSmajd@mellanox.com } 45476d2f89dfSmajd@mellanox.com 45486d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 45496d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 45506d2f89dfSmajd@mellanox.com { 45516d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 45526d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 45536d2f89dfSmajd@mellanox.com int err = 0; 45546d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 45556d2f89dfSmajd@mellanox.com 455628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 455728d61370SYishai Hadas return -ENOSYS; 455828d61370SYishai Hadas 4559d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4560d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4561d16e91daSHaggai Eran qp_init_attr); 4562d16e91daSHaggai Eran 45636d2f89dfSmajd@mellanox.com #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 45646d2f89dfSmajd@mellanox.com /* 45656d2f89dfSmajd@mellanox.com * Wait for any outstanding page faults, in case the user frees memory 45666d2f89dfSmajd@mellanox.com * based upon this query's result. 45676d2f89dfSmajd@mellanox.com */ 45686d2f89dfSmajd@mellanox.com flush_workqueue(mlx5_ib_page_fault_wq); 45696d2f89dfSmajd@mellanox.com #endif 45706d2f89dfSmajd@mellanox.com 45716d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 45726d2f89dfSmajd@mellanox.com 45736d2f89dfSmajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 45746d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 45756d2f89dfSmajd@mellanox.com if (err) 45766d2f89dfSmajd@mellanox.com goto out; 45776d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 45786d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 45796d2f89dfSmajd@mellanox.com } else { 45806d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 45816d2f89dfSmajd@mellanox.com if (err) 45826d2f89dfSmajd@mellanox.com goto out; 45836d2f89dfSmajd@mellanox.com } 45846d2f89dfSmajd@mellanox.com 45856d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4586e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4587e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4588e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4589e126ba97SEli Cohen 4590e126ba97SEli Cohen if (!ibqp->uobject) { 45910540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4592e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 45930540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4594e126ba97SEli Cohen } else { 4595e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4596e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4597e126ba97SEli Cohen } 4598e126ba97SEli Cohen 45990540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46000540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46010540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46020540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46030540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4604e126ba97SEli Cohen 4605e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4606e126ba97SEli Cohen 4607e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4608e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4609e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4610e126ba97SEli Cohen 4611051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4612051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4613051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4614051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4615051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4616051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4617b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4618b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4619051f2630SLeon Romanovsky 4620e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4621e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4622e126ba97SEli Cohen 4623e126ba97SEli Cohen out: 4624e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4625e126ba97SEli Cohen return err; 4626e126ba97SEli Cohen } 4627e126ba97SEli Cohen 4628e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4629e126ba97SEli Cohen struct ib_ucontext *context, 4630e126ba97SEli Cohen struct ib_udata *udata) 4631e126ba97SEli Cohen { 4632e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4633e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4634e126ba97SEli Cohen int err; 4635e126ba97SEli Cohen 4636938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4637e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4638e126ba97SEli Cohen 4639e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4640e126ba97SEli Cohen if (!xrcd) 4641e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4642e126ba97SEli Cohen 46439603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4644e126ba97SEli Cohen if (err) { 4645e126ba97SEli Cohen kfree(xrcd); 4646e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4647e126ba97SEli Cohen } 4648e126ba97SEli Cohen 4649e126ba97SEli Cohen return &xrcd->ibxrcd; 4650e126ba97SEli Cohen } 4651e126ba97SEli Cohen 4652e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4653e126ba97SEli Cohen { 4654e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4655e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4656e126ba97SEli Cohen int err; 4657e126ba97SEli Cohen 46589603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4659e126ba97SEli Cohen if (err) { 4660e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4661e126ba97SEli Cohen return err; 4662e126ba97SEli Cohen } 4663e126ba97SEli Cohen 4664e126ba97SEli Cohen kfree(xrcd); 4665e126ba97SEli Cohen 4666e126ba97SEli Cohen return 0; 4667e126ba97SEli Cohen } 466879b20a6cSYishai Hadas 4669350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4670350d0e4cSYishai Hadas { 4671350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4672350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4673350d0e4cSYishai Hadas struct ib_event event; 4674350d0e4cSYishai Hadas 4675350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4676350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4677350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4678350d0e4cSYishai Hadas switch (type) { 4679350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4680350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4681350d0e4cSYishai Hadas break; 4682350d0e4cSYishai Hadas default: 4683350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4684350d0e4cSYishai Hadas return; 4685350d0e4cSYishai Hadas } 4686350d0e4cSYishai Hadas 4687350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4688350d0e4cSYishai Hadas } 4689350d0e4cSYishai Hadas } 4690350d0e4cSYishai Hadas 469179b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 469279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 469379b20a6cSYishai Hadas { 469479b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 469579b20a6cSYishai Hadas __be64 *rq_pas0; 469679b20a6cSYishai Hadas void *in; 469779b20a6cSYishai Hadas void *rqc; 469879b20a6cSYishai Hadas void *wq; 469979b20a6cSYishai Hadas int inlen; 470079b20a6cSYishai Hadas int err; 470179b20a6cSYishai Hadas 470279b20a6cSYishai Hadas dev = to_mdev(pd->device); 470379b20a6cSYishai Hadas 470479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 470579b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 470679b20a6cSYishai Hadas if (!in) 470779b20a6cSYishai Hadas return -ENOMEM; 470879b20a6cSYishai Hadas 470979b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 471079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 471179b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 471279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 471379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 471479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 471579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 471679b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 471779b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 471879b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 471979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 472079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 472179b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 472279b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 472379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 472479b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 472579b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 472679b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 472779b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4728350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 472979b20a6cSYishai Hadas kvfree(in); 473079b20a6cSYishai Hadas return err; 473179b20a6cSYishai Hadas } 473279b20a6cSYishai Hadas 473379b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 473479b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 473579b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 473679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 473779b20a6cSYishai Hadas { 473879b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 473979b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 474079b20a6cSYishai Hadas return -EINVAL; 474179b20a6cSYishai Hadas 474279b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 474379b20a6cSYishai Hadas return -EINVAL; 474479b20a6cSYishai Hadas 474579b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 474679b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 474779b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 474879b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 474979b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 475079b20a6cSYishai Hadas return 0; 475179b20a6cSYishai Hadas } 475279b20a6cSYishai Hadas 475379b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 475479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 475579b20a6cSYishai Hadas struct ib_udata *udata, 475679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 475779b20a6cSYishai Hadas { 475879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 475979b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 476079b20a6cSYishai Hadas int err; 476179b20a6cSYishai Hadas size_t required_cmd_sz; 476279b20a6cSYishai Hadas 476379b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 476479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 476579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 476679b20a6cSYishai Hadas return -EINVAL; 476779b20a6cSYishai Hadas } 476879b20a6cSYishai Hadas 476979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 477079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 477179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 477279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 477379b20a6cSYishai Hadas return -EOPNOTSUPP; 477479b20a6cSYishai Hadas } 477579b20a6cSYishai Hadas 477679b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 477779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 477879b20a6cSYishai Hadas return -EFAULT; 477979b20a6cSYishai Hadas } 478079b20a6cSYishai Hadas 478179b20a6cSYishai Hadas if (ucmd.comp_mask) { 478279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 478379b20a6cSYishai Hadas return -EOPNOTSUPP; 478479b20a6cSYishai Hadas } 478579b20a6cSYishai Hadas 478679b20a6cSYishai Hadas if (ucmd.reserved) { 478779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 478879b20a6cSYishai Hadas return -EOPNOTSUPP; 478979b20a6cSYishai Hadas } 479079b20a6cSYishai Hadas 479179b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 479279b20a6cSYishai Hadas if (err) { 479379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 479479b20a6cSYishai Hadas return err; 479579b20a6cSYishai Hadas } 479679b20a6cSYishai Hadas 479779b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 479879b20a6cSYishai Hadas if (err) { 479979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 480079b20a6cSYishai Hadas if (err) 480179b20a6cSYishai Hadas return err; 480279b20a6cSYishai Hadas } 480379b20a6cSYishai Hadas 480479b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 480579b20a6cSYishai Hadas return 0; 480679b20a6cSYishai Hadas } 480779b20a6cSYishai Hadas 480879b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 480979b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 481079b20a6cSYishai Hadas struct ib_udata *udata) 481179b20a6cSYishai Hadas { 481279b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 481379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 481479b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 481579b20a6cSYishai Hadas size_t min_resp_len; 481679b20a6cSYishai Hadas int err; 481779b20a6cSYishai Hadas 481879b20a6cSYishai Hadas if (!udata) 481979b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 482079b20a6cSYishai Hadas 482179b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 482279b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 482379b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 482479b20a6cSYishai Hadas 482579b20a6cSYishai Hadas dev = to_mdev(pd->device); 482679b20a6cSYishai Hadas switch (init_attr->wq_type) { 482779b20a6cSYishai Hadas case IB_WQT_RQ: 482879b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 482979b20a6cSYishai Hadas if (!rwq) 483079b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 483179b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 483279b20a6cSYishai Hadas if (err) 483379b20a6cSYishai Hadas goto err; 483479b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 483579b20a6cSYishai Hadas if (err) 483679b20a6cSYishai Hadas goto err_user_rq; 483779b20a6cSYishai Hadas break; 483879b20a6cSYishai Hadas default: 483979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 484079b20a6cSYishai Hadas init_attr->wq_type); 484179b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 484279b20a6cSYishai Hadas } 484379b20a6cSYishai Hadas 4844350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 484579b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 484679b20a6cSYishai Hadas if (udata->outlen) { 484779b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 484879b20a6cSYishai Hadas sizeof(resp.response_length); 484979b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 485079b20a6cSYishai Hadas if (err) 485179b20a6cSYishai Hadas goto err_copy; 485279b20a6cSYishai Hadas } 485379b20a6cSYishai Hadas 4854350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 4855350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 485679b20a6cSYishai Hadas return &rwq->ibwq; 485779b20a6cSYishai Hadas 485879b20a6cSYishai Hadas err_copy: 4859350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 486079b20a6cSYishai Hadas err_user_rq: 486179b20a6cSYishai Hadas destroy_user_rq(pd, rwq); 486279b20a6cSYishai Hadas err: 486379b20a6cSYishai Hadas kfree(rwq); 486479b20a6cSYishai Hadas return ERR_PTR(err); 486579b20a6cSYishai Hadas } 486679b20a6cSYishai Hadas 486779b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 486879b20a6cSYishai Hadas { 486979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 487079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 487179b20a6cSYishai Hadas 4872350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 487379b20a6cSYishai Hadas destroy_user_rq(wq->pd, rwq); 487479b20a6cSYishai Hadas kfree(rwq); 487579b20a6cSYishai Hadas 487679b20a6cSYishai Hadas return 0; 487779b20a6cSYishai Hadas } 487879b20a6cSYishai Hadas 4879c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4880c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4881c5f90929SYishai Hadas struct ib_udata *udata) 4882c5f90929SYishai Hadas { 4883c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 4884c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 4885c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 4886c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 4887c5f90929SYishai Hadas size_t min_resp_len; 4888c5f90929SYishai Hadas int inlen; 4889c5f90929SYishai Hadas int err; 4890c5f90929SYishai Hadas int i; 4891c5f90929SYishai Hadas u32 *in; 4892c5f90929SYishai Hadas void *rqtc; 4893c5f90929SYishai Hadas 4894c5f90929SYishai Hadas if (udata->inlen > 0 && 4895c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 4896c5f90929SYishai Hadas udata->inlen)) 4897c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 4898c5f90929SYishai Hadas 4899c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 4900c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 4901c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 4902c5f90929SYishai Hadas 4903c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 4904c5f90929SYishai Hadas if (!rwq_ind_tbl) 4905c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 4906c5f90929SYishai Hadas 4907c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4908c5f90929SYishai Hadas in = mlx5_vzalloc(inlen); 4909c5f90929SYishai Hadas if (!in) { 4910c5f90929SYishai Hadas err = -ENOMEM; 4911c5f90929SYishai Hadas goto err; 4912c5f90929SYishai Hadas } 4913c5f90929SYishai Hadas 4914c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4915c5f90929SYishai Hadas 4916c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4917c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4918c5f90929SYishai Hadas 4919c5f90929SYishai Hadas for (i = 0; i < sz; i++) 4920c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 4921c5f90929SYishai Hadas 4922c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 4923c5f90929SYishai Hadas kvfree(in); 4924c5f90929SYishai Hadas 4925c5f90929SYishai Hadas if (err) 4926c5f90929SYishai Hadas goto err; 4927c5f90929SYishai Hadas 4928c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 4929c5f90929SYishai Hadas if (udata->outlen) { 4930c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 4931c5f90929SYishai Hadas sizeof(resp.response_length); 4932c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 4933c5f90929SYishai Hadas if (err) 4934c5f90929SYishai Hadas goto err_copy; 4935c5f90929SYishai Hadas } 4936c5f90929SYishai Hadas 4937c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 4938c5f90929SYishai Hadas 4939c5f90929SYishai Hadas err_copy: 4940c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4941c5f90929SYishai Hadas err: 4942c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4943c5f90929SYishai Hadas return ERR_PTR(err); 4944c5f90929SYishai Hadas } 4945c5f90929SYishai Hadas 4946c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 4947c5f90929SYishai Hadas { 4948c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 4949c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 4950c5f90929SYishai Hadas 4951c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4952c5f90929SYishai Hadas 4953c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4954c5f90929SYishai Hadas return 0; 4955c5f90929SYishai Hadas } 4956c5f90929SYishai Hadas 495779b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 495879b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 495979b20a6cSYishai Hadas { 496079b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 496179b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 496279b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 496379b20a6cSYishai Hadas size_t required_cmd_sz; 496479b20a6cSYishai Hadas int curr_wq_state; 496579b20a6cSYishai Hadas int wq_state; 496679b20a6cSYishai Hadas int inlen; 496779b20a6cSYishai Hadas int err; 496879b20a6cSYishai Hadas void *rqc; 496979b20a6cSYishai Hadas void *in; 497079b20a6cSYishai Hadas 497179b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 497279b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 497379b20a6cSYishai Hadas return -EINVAL; 497479b20a6cSYishai Hadas 497579b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 497679b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 497779b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 497879b20a6cSYishai Hadas return -EOPNOTSUPP; 497979b20a6cSYishai Hadas 498079b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 498179b20a6cSYishai Hadas return -EFAULT; 498279b20a6cSYishai Hadas 498379b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 498479b20a6cSYishai Hadas return -EOPNOTSUPP; 498579b20a6cSYishai Hadas 498679b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 498779b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 498879b20a6cSYishai Hadas if (!in) 498979b20a6cSYishai Hadas return -ENOMEM; 499079b20a6cSYishai Hadas 499179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 499279b20a6cSYishai Hadas 499379b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 499479b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 499579b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 499679b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 499779b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 499879b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 499979b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 500079b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 500179b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 500279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 500379b20a6cSYishai Hadas 5004350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 500579b20a6cSYishai Hadas kvfree(in); 500679b20a6cSYishai Hadas if (!err) 500779b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 500879b20a6cSYishai Hadas 500979b20a6cSYishai Hadas return err; 501079b20a6cSYishai Hadas } 5011