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 #include "user.h" 39e126ba97SEli Cohen 40e126ba97SEli Cohen /* not supported currently */ 41e126ba97SEli Cohen static int wq_signature; 42e126ba97SEli Cohen 43e126ba97SEli Cohen enum { 44e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 45e126ba97SEli Cohen }; 46e126ba97SEli Cohen 47e126ba97SEli Cohen enum { 48e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 49e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 50e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 51e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 52e126ba97SEli Cohen }; 53e126ba97SEli Cohen 54e126ba97SEli Cohen enum { 55e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 56e126ba97SEli Cohen MLX5_IB_CACHE_LINE_SIZE = 64, 57e126ba97SEli Cohen }; 58e126ba97SEli Cohen 59e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 60e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 61f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 62e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 63e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 64e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 65e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 66e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 67e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 68e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 69e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 708a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 71e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 72e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 73e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 74e126ba97SEli Cohen }; 75e126ba97SEli Cohen 76f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 77f0313965SErez Shitrit u8 rsvd0[16]; 78f0313965SErez Shitrit }; 79e126ba97SEli Cohen 80e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 81e126ba97SEli Cohen { 82e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 83e126ba97SEli Cohen } 84e126ba97SEli Cohen 85e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 86e126ba97SEli Cohen { 87e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 88e126ba97SEli Cohen } 89e126ba97SEli Cohen 90e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 91e126ba97SEli Cohen { 92e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 93e126ba97SEli Cohen } 94e126ba97SEli Cohen 95e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 96e126ba97SEli Cohen { 97e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 98e126ba97SEli Cohen } 99e126ba97SEli Cohen 100e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 101e126ba97SEli Cohen { 102e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 103e126ba97SEli Cohen } 104e126ba97SEli Cohen 105c1395a2aSHaggai Eran /** 106c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 107c1395a2aSHaggai Eran * 108c1395a2aSHaggai Eran * @qp: QP to copy from. 109c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 110c1395a2aSHaggai Eran * otherwise. 111c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 112c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 113c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 114c1395a2aSHaggai Eran * element in the queue. 115c1395a2aSHaggai Eran * @buffer: destination buffer. 116c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 117c1395a2aSHaggai Eran * 118c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 119c1395a2aSHaggai Eran * 120c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 121c1395a2aSHaggai Eran */ 122c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 12319098df2Smajd@mellanox.com void *buffer, u32 length, 12419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 125c1395a2aSHaggai Eran { 126c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 127c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 128c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 129c1395a2aSHaggai Eran size_t offset; 130c1395a2aSHaggai Eran size_t wq_end; 13119098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 132c1395a2aSHaggai Eran u32 first_copy_length; 133c1395a2aSHaggai Eran int wqe_length; 134c1395a2aSHaggai Eran int ret; 135c1395a2aSHaggai Eran 136c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 137c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 138c1395a2aSHaggai Eran qp->ibqp.qp_type); 139c1395a2aSHaggai Eran return -EINVAL; 140c1395a2aSHaggai Eran } 141c1395a2aSHaggai Eran 142c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 143c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 144c1395a2aSHaggai Eran 145c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 146c1395a2aSHaggai Eran return -EINVAL; 147c1395a2aSHaggai Eran 148c1395a2aSHaggai Eran if (offset > umem->length || 149c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 150c1395a2aSHaggai Eran return -EINVAL; 151c1395a2aSHaggai Eran 152c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 153c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 154c1395a2aSHaggai Eran if (ret) 155c1395a2aSHaggai Eran return ret; 156c1395a2aSHaggai Eran 157c1395a2aSHaggai Eran if (send) { 158c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 159c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 160c1395a2aSHaggai Eran 161c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 162c1395a2aSHaggai Eran } else { 163c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 164c1395a2aSHaggai Eran } 165c1395a2aSHaggai Eran 166c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 167c1395a2aSHaggai Eran return first_copy_length; 168c1395a2aSHaggai Eran 169c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 170c1395a2aSHaggai Eran wqe_length - first_copy_length); 171c1395a2aSHaggai Eran if (ret) 172c1395a2aSHaggai Eran return ret; 173c1395a2aSHaggai Eran 174c1395a2aSHaggai Eran return wqe_length; 175c1395a2aSHaggai Eran } 176c1395a2aSHaggai Eran 177e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 178e126ba97SEli Cohen { 179e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 180e126ba97SEli Cohen struct ib_event event; 181e126ba97SEli Cohen 18219098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 18319098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 18419098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 18519098df2Smajd@mellanox.com } 186e126ba97SEli Cohen 187e126ba97SEli Cohen if (ibqp->event_handler) { 188e126ba97SEli Cohen event.device = ibqp->device; 189e126ba97SEli Cohen event.element.qp = ibqp; 190e126ba97SEli Cohen switch (type) { 191e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 192e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 193e126ba97SEli Cohen break; 194e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 195e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 196e126ba97SEli Cohen break; 197e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 198e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 199e126ba97SEli Cohen break; 200e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 201e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 202e126ba97SEli Cohen break; 203e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 204e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 205e126ba97SEli Cohen break; 206e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 207e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 208e126ba97SEli Cohen break; 209e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 210e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 211e126ba97SEli Cohen break; 212e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 213e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 214e126ba97SEli Cohen break; 215e126ba97SEli Cohen default: 216e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 217e126ba97SEli Cohen return; 218e126ba97SEli Cohen } 219e126ba97SEli Cohen 220e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 221e126ba97SEli Cohen } 222e126ba97SEli Cohen } 223e126ba97SEli Cohen 224e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 225e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 226e126ba97SEli Cohen { 227e126ba97SEli Cohen int wqe_size; 228e126ba97SEli Cohen int wq_size; 229e126ba97SEli Cohen 230e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 231938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 232e126ba97SEli Cohen return -EINVAL; 233e126ba97SEli Cohen 234e126ba97SEli Cohen if (!has_rq) { 235e126ba97SEli Cohen qp->rq.max_gs = 0; 236e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 237e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2380540d814SNoa Osherovich cap->max_recv_wr = 0; 2390540d814SNoa Osherovich cap->max_recv_sge = 0; 240e126ba97SEli Cohen } else { 241e126ba97SEli Cohen if (ucmd) { 242e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 243e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 244e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 245e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 246e126ba97SEli Cohen } else { 247e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 248e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 249e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 250e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 251e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 252e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 253938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 254e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 255e126ba97SEli Cohen wqe_size, 256938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 257938fe83cSSaeed Mahameed max_wqe_sz_rq)); 258e126ba97SEli Cohen return -EINVAL; 259e126ba97SEli Cohen } 260e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 261e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 262e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 263e126ba97SEli Cohen } 264e126ba97SEli Cohen } 265e126ba97SEli Cohen 266e126ba97SEli Cohen return 0; 267e126ba97SEli Cohen } 268e126ba97SEli Cohen 269f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 270e126ba97SEli Cohen { 271618af384SAndi Shyti int size = 0; 272e126ba97SEli Cohen 273f0313965SErez Shitrit switch (attr->qp_type) { 274e126ba97SEli Cohen case IB_QPT_XRC_INI: 275b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 276e126ba97SEli Cohen /* fall through */ 277e126ba97SEli Cohen case IB_QPT_RC: 278e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 27975c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 28075c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 28175c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 28275c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 283e126ba97SEli Cohen break; 284e126ba97SEli Cohen 285b125a54bSEli Cohen case IB_QPT_XRC_TGT: 286b125a54bSEli Cohen return 0; 287b125a54bSEli Cohen 288e126ba97SEli Cohen case IB_QPT_UC: 289b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 29075c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 2919e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 29275c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 293e126ba97SEli Cohen break; 294e126ba97SEli Cohen 295e126ba97SEli Cohen case IB_QPT_UD: 296f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 297f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 298f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 299f0313965SErez Shitrit /* fall through */ 300e126ba97SEli Cohen case IB_QPT_SMI: 301d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 302b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 303e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 304e126ba97SEli Cohen break; 305e126ba97SEli Cohen 306e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 307b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 308e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 309e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 310e126ba97SEli Cohen break; 311e126ba97SEli Cohen 312e126ba97SEli Cohen default: 313e126ba97SEli Cohen return -EINVAL; 314e126ba97SEli Cohen } 315e126ba97SEli Cohen 316e126ba97SEli Cohen return size; 317e126ba97SEli Cohen } 318e126ba97SEli Cohen 319e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 320e126ba97SEli Cohen { 321e126ba97SEli Cohen int inl_size = 0; 322e126ba97SEli Cohen int size; 323e126ba97SEli Cohen 324f0313965SErez Shitrit size = sq_overhead(attr); 325e126ba97SEli Cohen if (size < 0) 326e126ba97SEli Cohen return size; 327e126ba97SEli Cohen 328e126ba97SEli Cohen if (attr->cap.max_inline_data) { 329e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 330e126ba97SEli Cohen attr->cap.max_inline_data; 331e126ba97SEli Cohen } 332e126ba97SEli Cohen 333e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 334e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 335e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 336e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 337e1e66cc2SSagi Grimberg else 338e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 339e126ba97SEli Cohen } 340e126ba97SEli Cohen 341e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 342e126ba97SEli Cohen struct mlx5_ib_qp *qp) 343e126ba97SEli Cohen { 344e126ba97SEli Cohen int wqe_size; 345e126ba97SEli Cohen int wq_size; 346e126ba97SEli Cohen 347e126ba97SEli Cohen if (!attr->cap.max_send_wr) 348e126ba97SEli Cohen return 0; 349e126ba97SEli Cohen 350e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 351e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 352e126ba97SEli Cohen if (wqe_size < 0) 353e126ba97SEli Cohen return wqe_size; 354e126ba97SEli Cohen 355938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 356b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 357938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 358e126ba97SEli Cohen return -EINVAL; 359e126ba97SEli Cohen } 360e126ba97SEli Cohen 361f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 362e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 363e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 364e126ba97SEli Cohen 365e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 366e1e66cc2SSagi Grimberg qp->signature_en = true; 367e1e66cc2SSagi Grimberg 368e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 369e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 370938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 371b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n", 372938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 373938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 374b125a54bSEli Cohen return -ENOMEM; 375b125a54bSEli Cohen } 376e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 377e126ba97SEli Cohen qp->sq.max_gs = attr->cap.max_send_sge; 378b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 379b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 380e126ba97SEli Cohen 381e126ba97SEli Cohen return wq_size; 382e126ba97SEli Cohen } 383e126ba97SEli Cohen 384e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 385e126ba97SEli Cohen struct mlx5_ib_qp *qp, 38619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 3870fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 3880fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 389e126ba97SEli Cohen { 390e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 391e126ba97SEli Cohen 392938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 393e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 394938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 395e126ba97SEli Cohen return -EINVAL; 396e126ba97SEli Cohen } 397e126ba97SEli Cohen 398e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 399e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 400e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 401e126ba97SEli Cohen return -EINVAL; 402e126ba97SEli Cohen } 403e126ba97SEli Cohen 404e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 405e126ba97SEli Cohen 406938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 407e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 408938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 409938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 410e126ba97SEli Cohen return -EINVAL; 411e126ba97SEli Cohen } 412e126ba97SEli Cohen 4130fb2ed66Smajd@mellanox.com if (attr->qp_type == IB_QPT_RAW_PACKET) { 4140fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4150fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4160fb2ed66Smajd@mellanox.com } else { 41719098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 418e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4190fb2ed66Smajd@mellanox.com } 420e126ba97SEli Cohen 421e126ba97SEli Cohen return 0; 422e126ba97SEli Cohen } 423e126ba97SEli Cohen 424e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 425e126ba97SEli Cohen { 426e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 427e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 428e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 429e126ba97SEli Cohen !attr->cap.max_recv_wr) 430e126ba97SEli Cohen return 0; 431e126ba97SEli Cohen 432e126ba97SEli Cohen return 1; 433e126ba97SEli Cohen } 434e126ba97SEli Cohen 435c1be5232SEli Cohen static int first_med_uuar(void) 436c1be5232SEli Cohen { 437c1be5232SEli Cohen return 1; 438c1be5232SEli Cohen } 439c1be5232SEli Cohen 440c1be5232SEli Cohen static int next_uuar(int n) 441c1be5232SEli Cohen { 442c1be5232SEli Cohen n++; 443c1be5232SEli Cohen 444c1be5232SEli Cohen while (((n % 4) & 2)) 445c1be5232SEli Cohen n++; 446c1be5232SEli Cohen 447c1be5232SEli Cohen return n; 448c1be5232SEli Cohen } 449c1be5232SEli Cohen 450c1be5232SEli Cohen static int num_med_uuar(struct mlx5_uuar_info *uuari) 451c1be5232SEli Cohen { 452c1be5232SEli Cohen int n; 453c1be5232SEli Cohen 454c1be5232SEli Cohen n = uuari->num_uars * MLX5_NON_FP_BF_REGS_PER_PAGE - 455c1be5232SEli Cohen uuari->num_low_latency_uuars - 1; 456c1be5232SEli Cohen 457c1be5232SEli Cohen return n >= 0 ? n : 0; 458c1be5232SEli Cohen } 459c1be5232SEli Cohen 460c1be5232SEli Cohen static int max_uuari(struct mlx5_uuar_info *uuari) 461c1be5232SEli Cohen { 462c1be5232SEli Cohen return uuari->num_uars * 4; 463c1be5232SEli Cohen } 464c1be5232SEli Cohen 465c1be5232SEli Cohen static int first_hi_uuar(struct mlx5_uuar_info *uuari) 466c1be5232SEli Cohen { 467c1be5232SEli Cohen int med; 468c1be5232SEli Cohen int i; 469c1be5232SEli Cohen int t; 470c1be5232SEli Cohen 471c1be5232SEli Cohen med = num_med_uuar(uuari); 472c1be5232SEli Cohen for (t = 0, i = first_med_uuar();; i = next_uuar(i)) { 473c1be5232SEli Cohen t++; 474c1be5232SEli Cohen if (t == med) 475c1be5232SEli Cohen return next_uuar(i); 476c1be5232SEli Cohen } 477c1be5232SEli Cohen 478c1be5232SEli Cohen return 0; 479c1be5232SEli Cohen } 480c1be5232SEli Cohen 481e126ba97SEli Cohen static int alloc_high_class_uuar(struct mlx5_uuar_info *uuari) 482e126ba97SEli Cohen { 483e126ba97SEli Cohen int i; 484e126ba97SEli Cohen 485c1be5232SEli Cohen for (i = first_hi_uuar(uuari); i < max_uuari(uuari); i = next_uuar(i)) { 486e126ba97SEli Cohen if (!test_bit(i, uuari->bitmap)) { 487e126ba97SEli Cohen set_bit(i, uuari->bitmap); 488e126ba97SEli Cohen uuari->count[i]++; 489e126ba97SEli Cohen return i; 490e126ba97SEli Cohen } 491e126ba97SEli Cohen } 492e126ba97SEli Cohen 493e126ba97SEli Cohen return -ENOMEM; 494e126ba97SEli Cohen } 495e126ba97SEli Cohen 496e126ba97SEli Cohen static int alloc_med_class_uuar(struct mlx5_uuar_info *uuari) 497e126ba97SEli Cohen { 498c1be5232SEli Cohen int minidx = first_med_uuar(); 499e126ba97SEli Cohen int i; 500e126ba97SEli Cohen 501c1be5232SEli Cohen for (i = first_med_uuar(); i < first_hi_uuar(uuari); i = next_uuar(i)) { 502e126ba97SEli Cohen if (uuari->count[i] < uuari->count[minidx]) 503e126ba97SEli Cohen minidx = i; 504e126ba97SEli Cohen } 505e126ba97SEli Cohen 506e126ba97SEli Cohen uuari->count[minidx]++; 507e126ba97SEli Cohen return minidx; 508e126ba97SEli Cohen } 509e126ba97SEli Cohen 510e126ba97SEli Cohen static int alloc_uuar(struct mlx5_uuar_info *uuari, 511e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 512e126ba97SEli Cohen { 513e126ba97SEli Cohen int uuarn = -EINVAL; 514e126ba97SEli Cohen 515e126ba97SEli Cohen mutex_lock(&uuari->lock); 516e126ba97SEli Cohen switch (lat) { 517e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 518e126ba97SEli Cohen uuarn = 0; 519e126ba97SEli Cohen uuari->count[uuarn]++; 520e126ba97SEli Cohen break; 521e126ba97SEli Cohen 522e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 52378c0f98cSEli Cohen if (uuari->ver < 2) 52478c0f98cSEli Cohen uuarn = -ENOMEM; 52578c0f98cSEli Cohen else 526e126ba97SEli Cohen uuarn = alloc_med_class_uuar(uuari); 527e126ba97SEli Cohen break; 528e126ba97SEli Cohen 529e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 53078c0f98cSEli Cohen if (uuari->ver < 2) 53178c0f98cSEli Cohen uuarn = -ENOMEM; 53278c0f98cSEli Cohen else 533e126ba97SEli Cohen uuarn = alloc_high_class_uuar(uuari); 534e126ba97SEli Cohen break; 535e126ba97SEli Cohen 536e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_FAST_PATH: 537e126ba97SEli Cohen uuarn = 2; 538e126ba97SEli Cohen break; 539e126ba97SEli Cohen } 540e126ba97SEli Cohen mutex_unlock(&uuari->lock); 541e126ba97SEli Cohen 542e126ba97SEli Cohen return uuarn; 543e126ba97SEli Cohen } 544e126ba97SEli Cohen 545e126ba97SEli Cohen static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 546e126ba97SEli Cohen { 547e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 548e126ba97SEli Cohen --uuari->count[uuarn]; 549e126ba97SEli Cohen } 550e126ba97SEli Cohen 551e126ba97SEli Cohen static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 552e126ba97SEli Cohen { 553e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 554e126ba97SEli Cohen --uuari->count[uuarn]; 555e126ba97SEli Cohen } 556e126ba97SEli Cohen 557e126ba97SEli Cohen static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn) 558e126ba97SEli Cohen { 559e126ba97SEli Cohen int nuuars = uuari->num_uars * MLX5_BF_REGS_PER_PAGE; 560e126ba97SEli Cohen int high_uuar = nuuars - uuari->num_low_latency_uuars; 561e126ba97SEli Cohen 562e126ba97SEli Cohen mutex_lock(&uuari->lock); 563e126ba97SEli Cohen if (uuarn == 0) { 564e126ba97SEli Cohen --uuari->count[uuarn]; 565e126ba97SEli Cohen goto out; 566e126ba97SEli Cohen } 567e126ba97SEli Cohen 568e126ba97SEli Cohen if (uuarn < high_uuar) { 569e126ba97SEli Cohen free_med_class_uuar(uuari, uuarn); 570e126ba97SEli Cohen goto out; 571e126ba97SEli Cohen } 572e126ba97SEli Cohen 573e126ba97SEli Cohen free_high_class_uuar(uuari, uuarn); 574e126ba97SEli Cohen 575e126ba97SEli Cohen out: 576e126ba97SEli Cohen mutex_unlock(&uuari->lock); 577e126ba97SEli Cohen } 578e126ba97SEli Cohen 579e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 580e126ba97SEli Cohen { 581e126ba97SEli Cohen switch (state) { 582e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 583e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 584e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 585e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 586e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 587e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 588e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 589e126ba97SEli Cohen default: return -1; 590e126ba97SEli Cohen } 591e126ba97SEli Cohen } 592e126ba97SEli Cohen 593e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 594e126ba97SEli Cohen { 595e126ba97SEli Cohen switch (type) { 596e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 597e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 598e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 599e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 600e126ba97SEli Cohen case IB_QPT_XRC_INI: 601e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 602e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 603d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 604e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 605e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6060fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 607e126ba97SEli Cohen case IB_QPT_MAX: 608e126ba97SEli Cohen default: return -EINVAL; 609e126ba97SEli Cohen } 610e126ba97SEli Cohen } 611e126ba97SEli Cohen 612e126ba97SEli Cohen static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn) 613e126ba97SEli Cohen { 614e126ba97SEli Cohen return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index; 615e126ba97SEli Cohen } 616e126ba97SEli Cohen 61719098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 61819098df2Smajd@mellanox.com struct ib_pd *pd, 61919098df2Smajd@mellanox.com unsigned long addr, size_t size, 62019098df2Smajd@mellanox.com struct ib_umem **umem, 62119098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 62219098df2Smajd@mellanox.com u32 *offset) 62319098df2Smajd@mellanox.com { 62419098df2Smajd@mellanox.com int err; 62519098df2Smajd@mellanox.com 62619098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 62719098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 62819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 62919098df2Smajd@mellanox.com return PTR_ERR(*umem); 63019098df2Smajd@mellanox.com } 63119098df2Smajd@mellanox.com 63219098df2Smajd@mellanox.com mlx5_ib_cont_pages(*umem, addr, npages, page_shift, ncont, NULL); 63319098df2Smajd@mellanox.com 63419098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 63519098df2Smajd@mellanox.com if (err) { 63619098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 63719098df2Smajd@mellanox.com goto err_umem; 63819098df2Smajd@mellanox.com } 63919098df2Smajd@mellanox.com 64019098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 64119098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 64219098df2Smajd@mellanox.com 64319098df2Smajd@mellanox.com return 0; 64419098df2Smajd@mellanox.com 64519098df2Smajd@mellanox.com err_umem: 64619098df2Smajd@mellanox.com ib_umem_release(*umem); 64719098df2Smajd@mellanox.com *umem = NULL; 64819098df2Smajd@mellanox.com 64919098df2Smajd@mellanox.com return err; 65019098df2Smajd@mellanox.com } 65119098df2Smajd@mellanox.com 65279b20a6cSYishai Hadas static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq) 65379b20a6cSYishai Hadas { 65479b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 65579b20a6cSYishai Hadas 65679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 65779b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 65879b20a6cSYishai Hadas if (rwq->umem) 65979b20a6cSYishai Hadas ib_umem_release(rwq->umem); 66079b20a6cSYishai Hadas } 66179b20a6cSYishai Hadas 66279b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 66379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 66479b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 66579b20a6cSYishai Hadas { 66679b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 66779b20a6cSYishai Hadas int page_shift = 0; 66879b20a6cSYishai Hadas int npages; 66979b20a6cSYishai Hadas u32 offset = 0; 67079b20a6cSYishai Hadas int ncont = 0; 67179b20a6cSYishai Hadas int err; 67279b20a6cSYishai Hadas 67379b20a6cSYishai Hadas if (!ucmd->buf_addr) 67479b20a6cSYishai Hadas return -EINVAL; 67579b20a6cSYishai Hadas 67679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 67779b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 67879b20a6cSYishai Hadas rwq->buf_size, 0, 0); 67979b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 68079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 68179b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 68279b20a6cSYishai Hadas return err; 68379b20a6cSYishai Hadas } 68479b20a6cSYishai Hadas 68579b20a6cSYishai Hadas mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, &npages, &page_shift, 68679b20a6cSYishai Hadas &ncont, NULL); 68779b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 68879b20a6cSYishai Hadas &rwq->rq_page_offset); 68979b20a6cSYishai Hadas if (err) { 69079b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 69179b20a6cSYishai Hadas goto err_umem; 69279b20a6cSYishai Hadas } 69379b20a6cSYishai Hadas 69479b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 69579b20a6cSYishai Hadas rwq->page_shift = page_shift; 69679b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 69779b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 69879b20a6cSYishai Hadas 69979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 70079b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 70179b20a6cSYishai Hadas npages, page_shift, ncont, offset); 70279b20a6cSYishai Hadas 70379b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 70479b20a6cSYishai Hadas if (err) { 70579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 70679b20a6cSYishai Hadas goto err_umem; 70779b20a6cSYishai Hadas } 70879b20a6cSYishai Hadas 70979b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 71079b20a6cSYishai Hadas return 0; 71179b20a6cSYishai Hadas 71279b20a6cSYishai Hadas err_umem: 71379b20a6cSYishai Hadas ib_umem_release(rwq->umem); 71479b20a6cSYishai Hadas return err; 71579b20a6cSYishai Hadas } 71679b20a6cSYishai Hadas 717e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 718e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7190fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 720e126ba97SEli Cohen struct mlx5_create_qp_mbox_in **in, 72119098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 72219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 723e126ba97SEli Cohen { 724e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 725e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 72619098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7279e9c47d0SEli Cohen int page_shift = 0; 728e126ba97SEli Cohen int uar_index; 729e126ba97SEli Cohen int npages; 7309e9c47d0SEli Cohen u32 offset = 0; 731e126ba97SEli Cohen int uuarn; 7329e9c47d0SEli Cohen int ncont = 0; 733e126ba97SEli Cohen int err; 734e126ba97SEli Cohen 735e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 736e126ba97SEli Cohen if (err) { 737e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 738e126ba97SEli Cohen return err; 739e126ba97SEli Cohen } 740e126ba97SEli Cohen 741e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 742e126ba97SEli Cohen /* 743e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 744e126ba97SEli Cohen */ 745051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 746051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 747051f2630SLeon Romanovsky uuarn = MLX5_CROSS_CHANNEL_UUAR; 748051f2630SLeon Romanovsky else { 749e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH); 750e126ba97SEli Cohen if (uuarn < 0) { 751e126ba97SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency UUAR\n"); 752c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 753c1be5232SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM); 754c1be5232SEli Cohen if (uuarn < 0) { 755c1be5232SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency UUAR\n"); 756e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 757e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW); 758e126ba97SEli Cohen if (uuarn < 0) { 759c1be5232SEli Cohen mlx5_ib_warn(dev, "uuar allocation failed\n"); 760e126ba97SEli Cohen return uuarn; 761e126ba97SEli Cohen } 762e126ba97SEli Cohen } 763c1be5232SEli Cohen } 764051f2630SLeon Romanovsky } 765e126ba97SEli Cohen 766e126ba97SEli Cohen uar_index = uuarn_to_uar_index(&context->uuari, uuarn); 767e126ba97SEli Cohen mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); 768e126ba97SEli Cohen 76948fea837SHaggai Eran qp->rq.offset = 0; 77048fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 77148fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 77248fea837SHaggai Eran 7730fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 774e126ba97SEli Cohen if (err) 775e126ba97SEli Cohen goto err_uuar; 776e126ba97SEli Cohen 77719098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 77819098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 77919098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 78019098df2Smajd@mellanox.com ubuffer->buf_size, 78119098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 78219098df2Smajd@mellanox.com &ncont, &offset); 78319098df2Smajd@mellanox.com if (err) 784e126ba97SEli Cohen goto err_uuar; 7859e9c47d0SEli Cohen } else { 78619098df2Smajd@mellanox.com ubuffer->umem = NULL; 7879e9c47d0SEli Cohen } 788e126ba97SEli Cohen 789e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * ncont; 790e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 791e126ba97SEli Cohen if (!*in) { 792e126ba97SEli Cohen err = -ENOMEM; 793e126ba97SEli Cohen goto err_umem; 794e126ba97SEli Cohen } 79519098df2Smajd@mellanox.com if (ubuffer->umem) 79619098df2Smajd@mellanox.com mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, 79719098df2Smajd@mellanox.com (*in)->pas, 0); 798e126ba97SEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 7991b77d2bdSEli Cohen cpu_to_be32((page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 800e126ba97SEli Cohen (*in)->ctx.params2 = cpu_to_be32(offset << 6); 801e126ba97SEli Cohen 802e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 803e126ba97SEli Cohen resp->uuar_index = uuarn; 804e126ba97SEli Cohen qp->uuarn = uuarn; 805e126ba97SEli Cohen 806e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 807e126ba97SEli Cohen if (err) { 808e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 809e126ba97SEli Cohen goto err_free; 810e126ba97SEli Cohen } 811e126ba97SEli Cohen 812e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 813e126ba97SEli Cohen if (err) { 814e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 815e126ba97SEli Cohen goto err_unmap; 816e126ba97SEli Cohen } 817e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 818e126ba97SEli Cohen 819e126ba97SEli Cohen return 0; 820e126ba97SEli Cohen 821e126ba97SEli Cohen err_unmap: 822e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 823e126ba97SEli Cohen 824e126ba97SEli Cohen err_free: 825479163f4SAl Viro kvfree(*in); 826e126ba97SEli Cohen 827e126ba97SEli Cohen err_umem: 82819098df2Smajd@mellanox.com if (ubuffer->umem) 82919098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 830e126ba97SEli Cohen 831e126ba97SEli Cohen err_uuar: 832e126ba97SEli Cohen free_uuar(&context->uuari, uuarn); 833e126ba97SEli Cohen return err; 834e126ba97SEli Cohen } 835e126ba97SEli Cohen 83619098df2Smajd@mellanox.com static void destroy_qp_user(struct ib_pd *pd, struct mlx5_ib_qp *qp, 83719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 838e126ba97SEli Cohen { 839e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 840e126ba97SEli Cohen 841e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 842e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 84319098df2Smajd@mellanox.com if (base->ubuffer.umem) 84419098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 845e126ba97SEli Cohen free_uuar(&context->uuari, qp->uuarn); 846e126ba97SEli Cohen } 847e126ba97SEli Cohen 848e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 849e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 850e126ba97SEli Cohen struct mlx5_ib_qp *qp, 85119098df2Smajd@mellanox.com struct mlx5_create_qp_mbox_in **in, int *inlen, 85219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 853e126ba97SEli Cohen { 854e126ba97SEli Cohen enum mlx5_ib_latency_class lc = MLX5_IB_LATENCY_CLASS_LOW; 855e126ba97SEli Cohen struct mlx5_uuar_info *uuari; 856e126ba97SEli Cohen int uar_index; 857e126ba97SEli Cohen int uuarn; 858e126ba97SEli Cohen int err; 859e126ba97SEli Cohen 8609603b61dSJack Morgenstein uuari = &dev->mdev->priv.uuari; 861f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 862f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 863b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 864b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 8651a4c3a3dSEli Cohen return -EINVAL; 866e126ba97SEli Cohen 867e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 868e126ba97SEli Cohen lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; 869e126ba97SEli Cohen 870e126ba97SEli Cohen uuarn = alloc_uuar(uuari, lc); 871e126ba97SEli Cohen if (uuarn < 0) { 872e126ba97SEli Cohen mlx5_ib_dbg(dev, "\n"); 873e126ba97SEli Cohen return -ENOMEM; 874e126ba97SEli Cohen } 875e126ba97SEli Cohen 876e126ba97SEli Cohen qp->bf = &uuari->bfs[uuarn]; 877e126ba97SEli Cohen uar_index = qp->bf->uar->index; 878e126ba97SEli Cohen 879e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 880e126ba97SEli Cohen if (err < 0) { 881e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 882e126ba97SEli Cohen goto err_uuar; 883e126ba97SEli Cohen } 884e126ba97SEli Cohen 885e126ba97SEli Cohen qp->rq.offset = 0; 886e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 88719098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 888e126ba97SEli Cohen 88919098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 890e126ba97SEli Cohen if (err) { 891e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 892e126ba97SEli Cohen goto err_uuar; 893e126ba97SEli Cohen } 894e126ba97SEli Cohen 895e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 896e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * qp->buf.npages; 897e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 898e126ba97SEli Cohen if (!*in) { 899e126ba97SEli Cohen err = -ENOMEM; 900e126ba97SEli Cohen goto err_buf; 901e126ba97SEli Cohen } 902e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 9031b77d2bdSEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 9041b77d2bdSEli Cohen cpu_to_be32((qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 905e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 906e126ba97SEli Cohen (*in)->ctx.params1 |= cpu_to_be32(1 << 11); 907e126ba97SEli Cohen (*in)->ctx.sq_crq_size |= cpu_to_be16(1 << 4); 908e126ba97SEli Cohen 909b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 910b11a4f9cSHaggai Eran (*in)->ctx.deth_sqpn = cpu_to_be32(1); 911b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 912b11a4f9cSHaggai Eran } 913b11a4f9cSHaggai Eran 914e126ba97SEli Cohen mlx5_fill_page_array(&qp->buf, (*in)->pas); 915e126ba97SEli Cohen 9169603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 917e126ba97SEli Cohen if (err) { 918e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 919e126ba97SEli Cohen goto err_free; 920e126ba97SEli Cohen } 921e126ba97SEli Cohen 922e126ba97SEli Cohen qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); 923e126ba97SEli Cohen qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); 924e126ba97SEli Cohen qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); 925e126ba97SEli Cohen qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); 926e126ba97SEli Cohen qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); 927e126ba97SEli Cohen 928e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 929e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 930e126ba97SEli Cohen err = -ENOMEM; 931e126ba97SEli Cohen goto err_wrid; 932e126ba97SEli Cohen } 933e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 934e126ba97SEli Cohen 935e126ba97SEli Cohen return 0; 936e126ba97SEli Cohen 937e126ba97SEli Cohen err_wrid: 9389603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 939e126ba97SEli Cohen kfree(qp->sq.wqe_head); 940e126ba97SEli Cohen kfree(qp->sq.w_list); 941e126ba97SEli Cohen kfree(qp->sq.wrid); 942e126ba97SEli Cohen kfree(qp->sq.wr_data); 943e126ba97SEli Cohen kfree(qp->rq.wrid); 944e126ba97SEli Cohen 945e126ba97SEli Cohen err_free: 946479163f4SAl Viro kvfree(*in); 947e126ba97SEli Cohen 948e126ba97SEli Cohen err_buf: 9499603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 950e126ba97SEli Cohen 951e126ba97SEli Cohen err_uuar: 9529603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, uuarn); 953e126ba97SEli Cohen return err; 954e126ba97SEli Cohen } 955e126ba97SEli Cohen 956e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 957e126ba97SEli Cohen { 9589603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 959e126ba97SEli Cohen kfree(qp->sq.wqe_head); 960e126ba97SEli Cohen kfree(qp->sq.w_list); 961e126ba97SEli Cohen kfree(qp->sq.wrid); 962e126ba97SEli Cohen kfree(qp->sq.wr_data); 963e126ba97SEli Cohen kfree(qp->rq.wrid); 9649603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 9659603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn); 966e126ba97SEli Cohen } 967e126ba97SEli Cohen 968e126ba97SEli Cohen static __be32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 969e126ba97SEli Cohen { 970e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 971e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 972e126ba97SEli Cohen return cpu_to_be32(MLX5_SRQ_RQ); 973e126ba97SEli Cohen else if (!qp->has_rq) 974e126ba97SEli Cohen return cpu_to_be32(MLX5_ZERO_LEN_RQ); 975e126ba97SEli Cohen else 976e126ba97SEli Cohen return cpu_to_be32(MLX5_NON_ZERO_RQ); 977e126ba97SEli Cohen } 978e126ba97SEli Cohen 979e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 980e126ba97SEli Cohen { 981e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 982e126ba97SEli Cohen return 1; 983e126ba97SEli Cohen 984e126ba97SEli Cohen return 0; 985e126ba97SEli Cohen } 986e126ba97SEli Cohen 9870fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 9880fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 9890fb2ed66Smajd@mellanox.com { 9900fb2ed66Smajd@mellanox.com u32 in[MLX5_ST_SZ_DW(create_tis_in)]; 9910fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 9920fb2ed66Smajd@mellanox.com 9930fb2ed66Smajd@mellanox.com memset(in, 0, sizeof(in)); 9940fb2ed66Smajd@mellanox.com 9950fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 9960fb2ed66Smajd@mellanox.com 9970fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 9980fb2ed66Smajd@mellanox.com } 9990fb2ed66Smajd@mellanox.com 10000fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10010fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10020fb2ed66Smajd@mellanox.com { 10030fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10040fb2ed66Smajd@mellanox.com } 10050fb2ed66Smajd@mellanox.com 10060fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10070fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10080fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10090fb2ed66Smajd@mellanox.com { 10100fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10110fb2ed66Smajd@mellanox.com __be64 *pas; 10120fb2ed66Smajd@mellanox.com void *in; 10130fb2ed66Smajd@mellanox.com void *sqc; 10140fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10150fb2ed66Smajd@mellanox.com void *wq; 10160fb2ed66Smajd@mellanox.com int inlen; 10170fb2ed66Smajd@mellanox.com int err; 10180fb2ed66Smajd@mellanox.com int page_shift = 0; 10190fb2ed66Smajd@mellanox.com int npages; 10200fb2ed66Smajd@mellanox.com int ncont = 0; 10210fb2ed66Smajd@mellanox.com u32 offset = 0; 10220fb2ed66Smajd@mellanox.com 10230fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10240fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10250fb2ed66Smajd@mellanox.com &ncont, &offset); 10260fb2ed66Smajd@mellanox.com if (err) 10270fb2ed66Smajd@mellanox.com return err; 10280fb2ed66Smajd@mellanox.com 10290fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10300fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10310fb2ed66Smajd@mellanox.com if (!in) { 10320fb2ed66Smajd@mellanox.com err = -ENOMEM; 10330fb2ed66Smajd@mellanox.com goto err_umem; 10340fb2ed66Smajd@mellanox.com } 10350fb2ed66Smajd@mellanox.com 10360fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10370fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 10380fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10390fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10400fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10410fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10420fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 10430fb2ed66Smajd@mellanox.com 10440fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 10450fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10460fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 10470fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 10480fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 10490fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 10500fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 10510fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 10520fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 10530fb2ed66Smajd@mellanox.com 10540fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 10550fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 10560fb2ed66Smajd@mellanox.com 10570fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 10580fb2ed66Smajd@mellanox.com 10590fb2ed66Smajd@mellanox.com kvfree(in); 10600fb2ed66Smajd@mellanox.com 10610fb2ed66Smajd@mellanox.com if (err) 10620fb2ed66Smajd@mellanox.com goto err_umem; 10630fb2ed66Smajd@mellanox.com 10640fb2ed66Smajd@mellanox.com return 0; 10650fb2ed66Smajd@mellanox.com 10660fb2ed66Smajd@mellanox.com err_umem: 10670fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 10680fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 10690fb2ed66Smajd@mellanox.com 10700fb2ed66Smajd@mellanox.com return err; 10710fb2ed66Smajd@mellanox.com } 10720fb2ed66Smajd@mellanox.com 10730fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10740fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10750fb2ed66Smajd@mellanox.com { 10760fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 10770fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 10780fb2ed66Smajd@mellanox.com } 10790fb2ed66Smajd@mellanox.com 10800fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 10810fb2ed66Smajd@mellanox.com { 10820fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 10830fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 10840fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 10850fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 10860fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 10870fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 10880fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 10890fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 10900fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 10910fb2ed66Smajd@mellanox.com 10920fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 10930fb2ed66Smajd@mellanox.com } 10940fb2ed66Smajd@mellanox.com 10950fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 10960fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 10970fb2ed66Smajd@mellanox.com { 1098358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 10990fb2ed66Smajd@mellanox.com __be64 *pas; 11000fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11010fb2ed66Smajd@mellanox.com void *in; 11020fb2ed66Smajd@mellanox.com void *rqc; 11030fb2ed66Smajd@mellanox.com void *wq; 11040fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11050fb2ed66Smajd@mellanox.com int inlen; 11060fb2ed66Smajd@mellanox.com int err; 11070fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11080fb2ed66Smajd@mellanox.com 11090fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11100fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11110fb2ed66Smajd@mellanox.com if (!in) 11120fb2ed66Smajd@mellanox.com return -ENOMEM; 11130fb2ed66Smajd@mellanox.com 11140fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 11150fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11160fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11170fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11180fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11190fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11200fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11210fb2ed66Smajd@mellanox.com 1122358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1123358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1124358e42eaSMajd Dibbiny 11250fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11260fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11270fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 112801581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 11290fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11300fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11310fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11330fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11340fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11350fb2ed66Smajd@mellanox.com 11360fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11370fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11380fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11390fb2ed66Smajd@mellanox.com 11400fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11410fb2ed66Smajd@mellanox.com 11420fb2ed66Smajd@mellanox.com kvfree(in); 11430fb2ed66Smajd@mellanox.com 11440fb2ed66Smajd@mellanox.com return err; 11450fb2ed66Smajd@mellanox.com } 11460fb2ed66Smajd@mellanox.com 11470fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11480fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 11490fb2ed66Smajd@mellanox.com { 11500fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 11510fb2ed66Smajd@mellanox.com } 11520fb2ed66Smajd@mellanox.com 11530fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 11540fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, u32 tdn) 11550fb2ed66Smajd@mellanox.com { 11560fb2ed66Smajd@mellanox.com u32 *in; 11570fb2ed66Smajd@mellanox.com void *tirc; 11580fb2ed66Smajd@mellanox.com int inlen; 11590fb2ed66Smajd@mellanox.com int err; 11600fb2ed66Smajd@mellanox.com 11610fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 11620fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11630fb2ed66Smajd@mellanox.com if (!in) 11640fb2ed66Smajd@mellanox.com return -ENOMEM; 11650fb2ed66Smajd@mellanox.com 11660fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 11670fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 11680fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 11690fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 11700fb2ed66Smajd@mellanox.com 11710fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 11720fb2ed66Smajd@mellanox.com 11730fb2ed66Smajd@mellanox.com kvfree(in); 11740fb2ed66Smajd@mellanox.com 11750fb2ed66Smajd@mellanox.com return err; 11760fb2ed66Smajd@mellanox.com } 11770fb2ed66Smajd@mellanox.com 11780fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 11790fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 11800fb2ed66Smajd@mellanox.com { 11810fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 11820fb2ed66Smajd@mellanox.com } 11830fb2ed66Smajd@mellanox.com 11840fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 11850fb2ed66Smajd@mellanox.com struct mlx5_create_qp_mbox_in *in, 11860fb2ed66Smajd@mellanox.com struct ib_pd *pd) 11870fb2ed66Smajd@mellanox.com { 11880fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 11890fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 11900fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 11910fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 11920fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 11930fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 11940fb2ed66Smajd@mellanox.com int err; 11950fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 11960fb2ed66Smajd@mellanox.com 11970fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 11980fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tis(dev, sq, tdn); 11990fb2ed66Smajd@mellanox.com if (err) 12000fb2ed66Smajd@mellanox.com return err; 12010fb2ed66Smajd@mellanox.com 12020fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12030fb2ed66Smajd@mellanox.com if (err) 12040fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12050fb2ed66Smajd@mellanox.com 12060fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12070fb2ed66Smajd@mellanox.com } 12080fb2ed66Smajd@mellanox.com 12090fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1210358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1211358e42eaSMajd Dibbiny 12120fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12130fb2ed66Smajd@mellanox.com if (err) 12140fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12150fb2ed66Smajd@mellanox.com 12160fb2ed66Smajd@mellanox.com 12170fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tir(dev, rq, tdn); 12180fb2ed66Smajd@mellanox.com if (err) 12190fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12200fb2ed66Smajd@mellanox.com } 12210fb2ed66Smajd@mellanox.com 12220fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12230fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12240fb2ed66Smajd@mellanox.com 12250fb2ed66Smajd@mellanox.com return 0; 12260fb2ed66Smajd@mellanox.com 12270fb2ed66Smajd@mellanox.com err_destroy_rq: 12280fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12290fb2ed66Smajd@mellanox.com err_destroy_sq: 12300fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 12310fb2ed66Smajd@mellanox.com return err; 12320fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12330fb2ed66Smajd@mellanox.com err_destroy_tis: 12340fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12350fb2ed66Smajd@mellanox.com 12360fb2ed66Smajd@mellanox.com return err; 12370fb2ed66Smajd@mellanox.com } 12380fb2ed66Smajd@mellanox.com 12390fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 12400fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 12410fb2ed66Smajd@mellanox.com { 12420fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12430fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12440fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12450fb2ed66Smajd@mellanox.com 12460fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 12470fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 12480fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12490fb2ed66Smajd@mellanox.com } 12500fb2ed66Smajd@mellanox.com 12510fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12520fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12530fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12540fb2ed66Smajd@mellanox.com } 12550fb2ed66Smajd@mellanox.com } 12560fb2ed66Smajd@mellanox.com 12570fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 12580fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 12590fb2ed66Smajd@mellanox.com { 12600fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12610fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12620fb2ed66Smajd@mellanox.com 12630fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 12640fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 12650fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 12660fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 12670fb2ed66Smajd@mellanox.com } 12680fb2ed66Smajd@mellanox.com 1269e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1270e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1271e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1272e126ba97SEli Cohen { 1273e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 1274938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 12750fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base; 1276e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 1277e126ba97SEli Cohen struct mlx5_create_qp_mbox_in *in; 1278e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 1279e126ba97SEli Cohen int inlen = sizeof(*in); 1280e126ba97SEli Cohen int err; 1281cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 1282cfb5e088SHaggai Abramovsky void *qpc; 1283e126ba97SEli Cohen 12840fb2ed66Smajd@mellanox.com base = init_attr->qp_type == IB_QPT_RAW_PACKET ? 12850fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 12860fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 12870fb2ed66Smajd@mellanox.com 12880fb2ed66Smajd@mellanox.com if (init_attr->qp_type != IB_QPT_RAW_PACKET) 12896aec21f6SHaggai Eran mlx5_ib_odp_create_qp(qp); 12906aec21f6SHaggai Eran 1291e126ba97SEli Cohen mutex_init(&qp->mutex); 1292e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1293e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1294e126ba97SEli Cohen 1295f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1296938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1297f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1298f360d88aSEli Cohen return -EINVAL; 1299f360d88aSEli Cohen } else { 1300f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1301f360d88aSEli Cohen } 1302f360d88aSEli Cohen } 1303f360d88aSEli Cohen 1304051f2630SLeon Romanovsky if (init_attr->create_flags & 1305051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1306051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1307051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1308051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1309051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1310051f2630SLeon Romanovsky return -EINVAL; 1311051f2630SLeon Romanovsky } 1312051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1313051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1314051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1315051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1316051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1317051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1318051f2630SLeon Romanovsky } 1319f0313965SErez Shitrit 1320f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1321f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1322f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1323f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1324f0313965SErez Shitrit return -EOPNOTSUPP; 1325f0313965SErez Shitrit } 1326f0313965SErez Shitrit 1327358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1328358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1329358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1330358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1331358e42eaSMajd Dibbiny } 1332358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1333358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1334358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1335358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1336358e42eaSMajd Dibbiny } 1337358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1338358e42eaSMajd Dibbiny } 1339358e42eaSMajd Dibbiny 1340e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1341e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1342e126ba97SEli Cohen 1343e126ba97SEli Cohen if (pd && pd->uobject) { 1344e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1345e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1346e126ba97SEli Cohen return -EFAULT; 1347e126ba97SEli Cohen } 1348e126ba97SEli Cohen 1349cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1350cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1351cfb5e088SHaggai Abramovsky if (err) 1352cfb5e088SHaggai Abramovsky return err; 1353cfb5e088SHaggai Abramovsky 1354e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1355e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1356e126ba97SEli Cohen } else { 1357e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1358e126ba97SEli Cohen } 1359e126ba97SEli Cohen 1360e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1361e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1362e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1363e126ba97SEli Cohen if (err) { 1364e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1365e126ba97SEli Cohen return err; 1366e126ba97SEli Cohen } 1367e126ba97SEli Cohen 1368e126ba97SEli Cohen if (pd) { 1369e126ba97SEli Cohen if (pd->uobject) { 1370938fe83cSSaeed Mahameed __u32 max_wqes = 1371938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1372e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1373e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1374e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1375e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1376e126ba97SEli Cohen return -EINVAL; 1377e126ba97SEli Cohen } 1378938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1379e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1380938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1381e126ba97SEli Cohen return -EINVAL; 1382e126ba97SEli Cohen } 1383b11a4f9cSHaggai Eran if (init_attr->create_flags & 1384b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1385b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1386b11a4f9cSHaggai Eran return -EINVAL; 1387b11a4f9cSHaggai Eran } 13880fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 13890fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1390e126ba97SEli Cohen if (err) 1391e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1392e126ba97SEli Cohen } else { 139319098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 139419098df2Smajd@mellanox.com base); 1395e126ba97SEli Cohen if (err) 1396e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1397e126ba97SEli Cohen } 1398e126ba97SEli Cohen 1399e126ba97SEli Cohen if (err) 1400e126ba97SEli Cohen return err; 1401e126ba97SEli Cohen } else { 1402e126ba97SEli Cohen in = mlx5_vzalloc(sizeof(*in)); 1403e126ba97SEli Cohen if (!in) 1404e126ba97SEli Cohen return -ENOMEM; 1405e126ba97SEli Cohen 1406e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1407e126ba97SEli Cohen } 1408e126ba97SEli Cohen 1409e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1410e126ba97SEli Cohen qp->port = init_attr->port_num; 1411e126ba97SEli Cohen 1412e126ba97SEli Cohen in->ctx.flags = cpu_to_be32(to_mlx5_st(init_attr->qp_type) << 16 | 1413e126ba97SEli Cohen MLX5_QP_PM_MIGRATED << 11); 1414e126ba97SEli Cohen 1415e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 1416e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(to_mpd(pd ? pd : devr->p0)->pdn); 1417e126ba97SEli Cohen else 1418e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(MLX5_QP_LAT_SENSITIVE); 1419e126ba97SEli Cohen 1420e126ba97SEli Cohen if (qp->wq_sig) 1421e126ba97SEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG); 1422e126ba97SEli Cohen 1423f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 1424f360d88aSEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST); 1425f360d88aSEli Cohen 1426051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 1427051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_MASTER); 1428051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 1429051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_SEND); 1430051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 1431051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_RECV); 1432051f2630SLeon Romanovsky 1433e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1434e126ba97SEli Cohen int rcqe_sz; 1435e126ba97SEli Cohen int scqe_sz; 1436e126ba97SEli Cohen 1437e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1438e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1439e126ba97SEli Cohen 1440e126ba97SEli Cohen if (rcqe_sz == 128) 1441e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA64_CQE; 1442e126ba97SEli Cohen else 1443e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA32_CQE; 1444e126ba97SEli Cohen 1445e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1446e126ba97SEli Cohen if (scqe_sz == 128) 1447e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA64_CQE; 1448e126ba97SEli Cohen else 1449e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA32_CQE; 1450e126ba97SEli Cohen } 1451e126ba97SEli Cohen } 1452e126ba97SEli Cohen 1453e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 1454e126ba97SEli Cohen in->ctx.rq_size_stride = (qp->rq.wqe_shift - 4); 1455e126ba97SEli Cohen in->ctx.rq_size_stride |= ilog2(qp->rq.wqe_cnt) << 3; 1456e126ba97SEli Cohen } 1457e126ba97SEli Cohen 1458e126ba97SEli Cohen in->ctx.rq_type_srqn = get_rx_type(qp, init_attr); 1459e126ba97SEli Cohen 1460e126ba97SEli Cohen if (qp->sq.wqe_cnt) 1461e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(ilog2(qp->sq.wqe_cnt) << 11); 1462e126ba97SEli Cohen else 1463e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(0x8000); 1464e126ba97SEli Cohen 1465e126ba97SEli Cohen /* Set default resources */ 1466e126ba97SEli Cohen switch (init_attr->qp_type) { 1467e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1468e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1469e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1470e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1471e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(init_attr->xrcd)->xrcdn); 1472e126ba97SEli Cohen break; 1473e126ba97SEli Cohen case IB_QPT_XRC_INI: 1474e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1475e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 1476e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1477e126ba97SEli Cohen break; 1478e126ba97SEli Cohen default: 1479e126ba97SEli Cohen if (init_attr->srq) { 1480e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x0)->xrcdn); 1481e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(init_attr->srq)->msrq.srqn); 1482e126ba97SEli Cohen } else { 1483e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 14844aa17b28SHaggai Abramonvsky in->ctx.rq_type_srqn |= 14854aa17b28SHaggai Abramonvsky cpu_to_be32(to_msrq(devr->s1)->msrq.srqn); 1486e126ba97SEli Cohen } 1487e126ba97SEli Cohen } 1488e126ba97SEli Cohen 1489e126ba97SEli Cohen if (init_attr->send_cq) 1490e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(init_attr->send_cq)->mcq.cqn); 1491e126ba97SEli Cohen 1492e126ba97SEli Cohen if (init_attr->recv_cq) 1493e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(init_attr->recv_cq)->mcq.cqn); 1494e126ba97SEli Cohen 1495e126ba97SEli Cohen in->ctx.db_rec_addr = cpu_to_be64(qp->db.dma); 1496e126ba97SEli Cohen 1497cfb5e088SHaggai Abramovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) { 1498cfb5e088SHaggai Abramovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 1499cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 1500cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 1501cfb5e088SHaggai Abramovsky } 1502f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1503f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1504f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1505f0313965SErez Shitrit qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 1506f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1507f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1508f0313965SErez Shitrit } 1509cfb5e088SHaggai Abramovsky 15100fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 15110fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 15120fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 15130fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 15140fb2ed66Smajd@mellanox.com } else { 151519098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 15160fb2ed66Smajd@mellanox.com } 15170fb2ed66Smajd@mellanox.com 1518e126ba97SEli Cohen if (err) { 1519e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1520e126ba97SEli Cohen goto err_create; 1521e126ba97SEli Cohen } 1522e126ba97SEli Cohen 1523479163f4SAl Viro kvfree(in); 1524e126ba97SEli Cohen 152519098df2Smajd@mellanox.com base->container_mibqp = qp; 152619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1527e126ba97SEli Cohen 1528e126ba97SEli Cohen return 0; 1529e126ba97SEli Cohen 1530e126ba97SEli Cohen err_create: 1531e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 153219098df2Smajd@mellanox.com destroy_qp_user(pd, qp, base); 1533e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1534e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1535e126ba97SEli Cohen 1536479163f4SAl Viro kvfree(in); 1537e126ba97SEli Cohen return err; 1538e126ba97SEli Cohen } 1539e126ba97SEli Cohen 1540e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1541e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1542e126ba97SEli Cohen { 1543e126ba97SEli Cohen if (send_cq) { 1544e126ba97SEli Cohen if (recv_cq) { 1545e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1546e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 1547e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1548e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1549e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1550e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 1551e126ba97SEli Cohen __acquire(&recv_cq->lock); 1552e126ba97SEli Cohen } else { 1553e126ba97SEli Cohen spin_lock_irq(&recv_cq->lock); 1554e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1555e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1556e126ba97SEli Cohen } 1557e126ba97SEli Cohen } else { 1558e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 15596a4f139aSEli Cohen __acquire(&recv_cq->lock); 1560e126ba97SEli Cohen } 1561e126ba97SEli Cohen } else if (recv_cq) { 1562e126ba97SEli Cohen spin_lock_irq(&recv_cq->lock); 15636a4f139aSEli Cohen __acquire(&send_cq->lock); 15646a4f139aSEli Cohen } else { 15656a4f139aSEli Cohen __acquire(&send_cq->lock); 15666a4f139aSEli Cohen __acquire(&recv_cq->lock); 1567e126ba97SEli Cohen } 1568e126ba97SEli Cohen } 1569e126ba97SEli Cohen 1570e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1571e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1572e126ba97SEli Cohen { 1573e126ba97SEli Cohen if (send_cq) { 1574e126ba97SEli Cohen if (recv_cq) { 1575e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1576e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 1577e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1578e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1579e126ba97SEli Cohen __release(&recv_cq->lock); 1580e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1581e126ba97SEli Cohen } else { 1582e126ba97SEli Cohen spin_unlock(&send_cq->lock); 1583e126ba97SEli Cohen spin_unlock_irq(&recv_cq->lock); 1584e126ba97SEli Cohen } 1585e126ba97SEli Cohen } else { 15866a4f139aSEli Cohen __release(&recv_cq->lock); 1587e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1588e126ba97SEli Cohen } 1589e126ba97SEli Cohen } else if (recv_cq) { 15906a4f139aSEli Cohen __release(&send_cq->lock); 1591e126ba97SEli Cohen spin_unlock_irq(&recv_cq->lock); 15926a4f139aSEli Cohen } else { 15936a4f139aSEli Cohen __release(&recv_cq->lock); 15946a4f139aSEli Cohen __release(&send_cq->lock); 1595e126ba97SEli Cohen } 1596e126ba97SEli Cohen } 1597e126ba97SEli Cohen 1598e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1599e126ba97SEli Cohen { 1600e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1601e126ba97SEli Cohen } 1602e126ba97SEli Cohen 1603e126ba97SEli Cohen static void get_cqs(struct mlx5_ib_qp *qp, 1604e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1605e126ba97SEli Cohen { 1606e126ba97SEli Cohen switch (qp->ibqp.qp_type) { 1607e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1608e126ba97SEli Cohen *send_cq = NULL; 1609e126ba97SEli Cohen *recv_cq = NULL; 1610e126ba97SEli Cohen break; 1611e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1612e126ba97SEli Cohen case IB_QPT_XRC_INI: 1613e126ba97SEli Cohen *send_cq = to_mcq(qp->ibqp.send_cq); 1614e126ba97SEli Cohen *recv_cq = NULL; 1615e126ba97SEli Cohen break; 1616e126ba97SEli Cohen 1617e126ba97SEli Cohen case IB_QPT_SMI: 1618d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1619e126ba97SEli Cohen case IB_QPT_RC: 1620e126ba97SEli Cohen case IB_QPT_UC: 1621e126ba97SEli Cohen case IB_QPT_UD: 1622e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1623e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 16240fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 1625e126ba97SEli Cohen *send_cq = to_mcq(qp->ibqp.send_cq); 1626e126ba97SEli Cohen *recv_cq = to_mcq(qp->ibqp.recv_cq); 1627e126ba97SEli Cohen break; 1628e126ba97SEli Cohen 1629e126ba97SEli Cohen case IB_QPT_MAX: 1630e126ba97SEli Cohen default: 1631e126ba97SEli Cohen *send_cq = NULL; 1632e126ba97SEli Cohen *recv_cq = NULL; 1633e126ba97SEli Cohen break; 1634e126ba97SEli Cohen } 1635e126ba97SEli Cohen } 1636e126ba97SEli Cohen 1637ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1638ad5f8e96Smajd@mellanox.com u16 operation); 1639ad5f8e96Smajd@mellanox.com 1640e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1641e126ba97SEli Cohen { 1642e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 164319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 16440fb2ed66Smajd@mellanox.com struct mlx5_modify_qp_mbox_in *in; 1645e126ba97SEli Cohen int err; 1646e126ba97SEli Cohen 16470fb2ed66Smajd@mellanox.com base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? 16480fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 16490fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 16500fb2ed66Smajd@mellanox.com 1651e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 1652e126ba97SEli Cohen if (!in) 1653e126ba97SEli Cohen return; 16547bef7ad2SEli Cohen 16556aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1656ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { 16576aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 1658ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 1659ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP, in, 0, 1660ad5f8e96Smajd@mellanox.com &base->mqp); 1661ad5f8e96Smajd@mellanox.com } else { 1662ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, 1663ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP); 1664ad5f8e96Smajd@mellanox.com } 1665ad5f8e96Smajd@mellanox.com if (err) 1666427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 166719098df2Smajd@mellanox.com base->mqp.qpn); 16686aec21f6SHaggai Eran } 1669e126ba97SEli Cohen 1670e126ba97SEli Cohen get_cqs(qp, &send_cq, &recv_cq); 1671e126ba97SEli Cohen 1672e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 1673e126ba97SEli Cohen mlx5_ib_lock_cqs(send_cq, recv_cq); 167419098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 1675e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 1676e126ba97SEli Cohen if (send_cq != recv_cq) 167719098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 167819098df2Smajd@mellanox.com NULL); 1679e126ba97SEli Cohen mlx5_ib_unlock_cqs(send_cq, recv_cq); 1680e126ba97SEli Cohen } 1681e126ba97SEli Cohen 16820fb2ed66Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 16830fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 16840fb2ed66Smajd@mellanox.com } else { 168519098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 1686e126ba97SEli Cohen if (err) 16870fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 16880fb2ed66Smajd@mellanox.com base->mqp.qpn); 16890fb2ed66Smajd@mellanox.com } 1690e126ba97SEli Cohen 16910fb2ed66Smajd@mellanox.com kfree(in); 1692e126ba97SEli Cohen 1693e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 1694e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1695e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 169619098df2Smajd@mellanox.com destroy_qp_user(&get_pd(qp)->ibpd, qp, base); 1697e126ba97SEli Cohen } 1698e126ba97SEli Cohen 1699e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 1700e126ba97SEli Cohen { 1701e126ba97SEli Cohen switch (type) { 1702e126ba97SEli Cohen case IB_QPT_SMI: 1703e126ba97SEli Cohen return "IB_QPT_SMI"; 1704e126ba97SEli Cohen case IB_QPT_GSI: 1705e126ba97SEli Cohen return "IB_QPT_GSI"; 1706e126ba97SEli Cohen case IB_QPT_RC: 1707e126ba97SEli Cohen return "IB_QPT_RC"; 1708e126ba97SEli Cohen case IB_QPT_UC: 1709e126ba97SEli Cohen return "IB_QPT_UC"; 1710e126ba97SEli Cohen case IB_QPT_UD: 1711e126ba97SEli Cohen return "IB_QPT_UD"; 1712e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1713e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 1714e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1715e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 1716e126ba97SEli Cohen case IB_QPT_XRC_INI: 1717e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 1718e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1719e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 1720e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 1721e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 1722e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1723e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 1724e126ba97SEli Cohen case IB_QPT_MAX: 1725e126ba97SEli Cohen default: 1726e126ba97SEli Cohen return "Invalid QP type"; 1727e126ba97SEli Cohen } 1728e126ba97SEli Cohen } 1729e126ba97SEli Cohen 1730e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 1731e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1732e126ba97SEli Cohen struct ib_udata *udata) 1733e126ba97SEli Cohen { 1734e126ba97SEli Cohen struct mlx5_ib_dev *dev; 1735e126ba97SEli Cohen struct mlx5_ib_qp *qp; 1736e126ba97SEli Cohen u16 xrcdn = 0; 1737e126ba97SEli Cohen int err; 1738e126ba97SEli Cohen 1739e126ba97SEli Cohen if (pd) { 1740e126ba97SEli Cohen dev = to_mdev(pd->device); 17410fb2ed66Smajd@mellanox.com 17420fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 17430fb2ed66Smajd@mellanox.com if (!pd->uobject) { 17440fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 17450fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 17460fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 17470fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 17480fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 17490fb2ed66Smajd@mellanox.com } 17500fb2ed66Smajd@mellanox.com } 175109f16cf5SMajd Dibbiny } else { 175209f16cf5SMajd Dibbiny /* being cautious here */ 175309f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 175409f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 175509f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 175609f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 175709f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 175809f16cf5SMajd Dibbiny } 175909f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 1760e126ba97SEli Cohen } 1761e126ba97SEli Cohen 1762e126ba97SEli Cohen switch (init_attr->qp_type) { 1763e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1764e126ba97SEli Cohen case IB_QPT_XRC_INI: 1765938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 1766e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 1767e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 1768e126ba97SEli Cohen } 1769e126ba97SEli Cohen init_attr->recv_cq = NULL; 1770e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 1771e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 1772e126ba97SEli Cohen init_attr->send_cq = NULL; 1773e126ba97SEli Cohen } 1774e126ba97SEli Cohen 1775e126ba97SEli Cohen /* fall through */ 17760fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 1777e126ba97SEli Cohen case IB_QPT_RC: 1778e126ba97SEli Cohen case IB_QPT_UC: 1779e126ba97SEli Cohen case IB_QPT_UD: 1780e126ba97SEli Cohen case IB_QPT_SMI: 1781d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1782e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1783e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 1784e126ba97SEli Cohen if (!qp) 1785e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 1786e126ba97SEli Cohen 1787e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 1788e126ba97SEli Cohen if (err) { 1789e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 1790e126ba97SEli Cohen kfree(qp); 1791e126ba97SEli Cohen return ERR_PTR(err); 1792e126ba97SEli Cohen } 1793e126ba97SEli Cohen 1794e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 1795e126ba97SEli Cohen qp->ibqp.qp_num = 0; 1796e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 1797e126ba97SEli Cohen qp->ibqp.qp_num = 1; 1798e126ba97SEli Cohen else 179919098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 1800e126ba97SEli Cohen 1801e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 180219098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 180319098df2Smajd@mellanox.com to_mcq(init_attr->recv_cq)->mcq.cqn, 1804e126ba97SEli Cohen to_mcq(init_attr->send_cq)->mcq.cqn); 1805e126ba97SEli Cohen 180619098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 1807e126ba97SEli Cohen 1808e126ba97SEli Cohen break; 1809e126ba97SEli Cohen 1810d16e91daSHaggai Eran case IB_QPT_GSI: 1811d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 1812d16e91daSHaggai Eran 1813e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1814e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1815e126ba97SEli Cohen case IB_QPT_MAX: 1816e126ba97SEli Cohen default: 1817e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 1818e126ba97SEli Cohen init_attr->qp_type); 1819e126ba97SEli Cohen /* Don't support raw QPs */ 1820e126ba97SEli Cohen return ERR_PTR(-EINVAL); 1821e126ba97SEli Cohen } 1822e126ba97SEli Cohen 1823e126ba97SEli Cohen return &qp->ibqp; 1824e126ba97SEli Cohen } 1825e126ba97SEli Cohen 1826e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 1827e126ba97SEli Cohen { 1828e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 1829e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 1830e126ba97SEli Cohen 1831d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 1832d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 1833d16e91daSHaggai Eran 1834e126ba97SEli Cohen destroy_qp_common(dev, mqp); 1835e126ba97SEli Cohen 1836e126ba97SEli Cohen kfree(mqp); 1837e126ba97SEli Cohen 1838e126ba97SEli Cohen return 0; 1839e126ba97SEli Cohen } 1840e126ba97SEli Cohen 1841e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 1842e126ba97SEli Cohen int attr_mask) 1843e126ba97SEli Cohen { 1844e126ba97SEli Cohen u32 hw_access_flags = 0; 1845e126ba97SEli Cohen u8 dest_rd_atomic; 1846e126ba97SEli Cohen u32 access_flags; 1847e126ba97SEli Cohen 1848e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 1849e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 1850e126ba97SEli Cohen else 185119098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 1852e126ba97SEli Cohen 1853e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 1854e126ba97SEli Cohen access_flags = attr->qp_access_flags; 1855e126ba97SEli Cohen else 185619098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 1857e126ba97SEli Cohen 1858e126ba97SEli Cohen if (!dest_rd_atomic) 1859e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 1860e126ba97SEli Cohen 1861e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 1862e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 1863e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 1864e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 1865e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 1866e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 1867e126ba97SEli Cohen 1868e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 1869e126ba97SEli Cohen } 1870e126ba97SEli Cohen 1871e126ba97SEli Cohen enum { 1872e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 1873e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 1874e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 1875e126ba97SEli Cohen }; 1876e126ba97SEli Cohen 1877e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 1878e126ba97SEli Cohen { 1879e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 1880e126ba97SEli Cohen return 0; 1881e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 1882e126ba97SEli Cohen return -EINVAL; 1883e126ba97SEli Cohen } else { 1884e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 1885e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 1886938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 1887e126ba97SEli Cohen --rate; 1888e126ba97SEli Cohen } 1889e126ba97SEli Cohen 1890e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 1891e126ba97SEli Cohen } 1892e126ba97SEli Cohen 189375850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 189475850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 189575850d0bSmajd@mellanox.com { 189675850d0bSmajd@mellanox.com void *in; 189775850d0bSmajd@mellanox.com void *tisc; 189875850d0bSmajd@mellanox.com int inlen; 189975850d0bSmajd@mellanox.com int err; 190075850d0bSmajd@mellanox.com 190175850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 190275850d0bSmajd@mellanox.com in = mlx5_vzalloc(inlen); 190375850d0bSmajd@mellanox.com if (!in) 190475850d0bSmajd@mellanox.com return -ENOMEM; 190575850d0bSmajd@mellanox.com 190675850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 190775850d0bSmajd@mellanox.com 190875850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 190975850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 191075850d0bSmajd@mellanox.com 191175850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 191275850d0bSmajd@mellanox.com 191375850d0bSmajd@mellanox.com kvfree(in); 191475850d0bSmajd@mellanox.com 191575850d0bSmajd@mellanox.com return err; 191675850d0bSmajd@mellanox.com } 191775850d0bSmajd@mellanox.com 191875850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 191975850d0bSmajd@mellanox.com const struct ib_ah_attr *ah, 1920e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 1921f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 1922f879ee8dSAchiad Shochat bool alt) 1923e126ba97SEli Cohen { 19242811ba51SAchiad Shochat enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); 1925e126ba97SEli Cohen int err; 1926e126ba97SEli Cohen 1927e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 1928f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 1929f879ee8dSAchiad Shochat attr->pkey_index); 1930e126ba97SEli Cohen 1931e126ba97SEli Cohen if (ah->ah_flags & IB_AH_GRH) { 1932938fe83cSSaeed Mahameed if (ah->grh.sgid_index >= 1933938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 1934f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 1935938fe83cSSaeed Mahameed ah->grh.sgid_index, 1936938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 1937f83b4263SEli Cohen return -EINVAL; 1938f83b4263SEli Cohen } 19392811ba51SAchiad Shochat } 19402811ba51SAchiad Shochat 19412811ba51SAchiad Shochat if (ll == IB_LINK_LAYER_ETHERNET) { 19422811ba51SAchiad Shochat if (!(ah->ah_flags & IB_AH_GRH)) 19432811ba51SAchiad Shochat return -EINVAL; 19442811ba51SAchiad Shochat memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); 19452811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 19462811ba51SAchiad Shochat ah->grh.sgid_index); 19472811ba51SAchiad Shochat path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; 19482811ba51SAchiad Shochat } else { 1949d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 1950d3ae2bdeSNoa Osherovich path->fl_free_ar |= 1951d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 19522811ba51SAchiad Shochat path->rlid = cpu_to_be16(ah->dlid); 19532811ba51SAchiad Shochat path->grh_mlid = ah->src_path_bits & 0x7f; 19542811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) 1955e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 19562811ba51SAchiad Shochat path->dci_cfi_prio_sl = ah->sl & 0xf; 19572811ba51SAchiad Shochat } 19582811ba51SAchiad Shochat 19592811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) { 1960e126ba97SEli Cohen path->mgid_index = ah->grh.sgid_index; 1961e126ba97SEli Cohen path->hop_limit = ah->grh.hop_limit; 1962e126ba97SEli Cohen path->tclass_flowlabel = 1963e126ba97SEli Cohen cpu_to_be32((ah->grh.traffic_class << 20) | 1964e126ba97SEli Cohen (ah->grh.flow_label)); 1965e126ba97SEli Cohen memcpy(path->rgid, ah->grh.dgid.raw, 16); 1966e126ba97SEli Cohen } 1967e126ba97SEli Cohen 1968e126ba97SEli Cohen err = ib_rate_to_mlx5(dev, ah->static_rate); 1969e126ba97SEli Cohen if (err < 0) 1970e126ba97SEli Cohen return err; 1971e126ba97SEli Cohen path->static_rate = err; 1972e126ba97SEli Cohen path->port = port; 1973e126ba97SEli Cohen 1974e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 1975f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 1976e126ba97SEli Cohen 197775850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 197875850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 197975850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 198075850d0bSmajd@mellanox.com ah->sl & 0xf); 198175850d0bSmajd@mellanox.com 1982e126ba97SEli Cohen return 0; 1983e126ba97SEli Cohen } 1984e126ba97SEli Cohen 1985e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 1986e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 1987e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 1988e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 1989e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 1990e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1991e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 1992e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1993e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 1994e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 1995e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1996e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 1997e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 1998e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1999e126ba97SEli Cohen }, 2000e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2001e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2002e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2003e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2004e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2005e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2006e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2007e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2008e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2009e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2010e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2011e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2012e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2013a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2014a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2015a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2016a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2017a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2018e126ba97SEli Cohen }, 2019e126ba97SEli Cohen }, 2020e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2021e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2022e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2023e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2024e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2025e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2026e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2027e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2028e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2029e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2030e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2031e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2032e126ba97SEli Cohen }, 2033e126ba97SEli Cohen }, 2034e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2035e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2036e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2037e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2038e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2039e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2040c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2041c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2042e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2043c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2044c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2045e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2046e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2047e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2048e126ba97SEli Cohen }, 2049e126ba97SEli Cohen }, 2050e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2051e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2052e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2053e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 205475959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2055a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2056a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2057a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2058a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2059e126ba97SEli Cohen }, 2060e126ba97SEli Cohen }, 2061e126ba97SEli Cohen }; 2062e126ba97SEli Cohen 2063e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2064e126ba97SEli Cohen { 2065e126ba97SEli Cohen switch (ib_mask) { 2066e126ba97SEli Cohen case IB_QP_STATE: 2067e126ba97SEli Cohen return 0; 2068e126ba97SEli Cohen case IB_QP_CUR_STATE: 2069e126ba97SEli Cohen return 0; 2070e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2071e126ba97SEli Cohen return 0; 2072e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2073e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2074e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2075e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2076e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2077e126ba97SEli Cohen case IB_QP_PORT: 2078e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2079e126ba97SEli Cohen case IB_QP_QKEY: 2080e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2081e126ba97SEli Cohen case IB_QP_AV: 2082e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2083e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2084e126ba97SEli Cohen case IB_QP_PATH_MTU: 2085e126ba97SEli Cohen return 0; 2086e126ba97SEli Cohen case IB_QP_TIMEOUT: 2087e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2088e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2089e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2090e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2091e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2092e126ba97SEli Cohen case IB_QP_RQ_PSN: 2093e126ba97SEli Cohen return 0; 2094e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2095e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2096e126ba97SEli Cohen case IB_QP_ALT_PATH: 2097e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2098e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2099e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2100e126ba97SEli Cohen case IB_QP_SQ_PSN: 2101e126ba97SEli Cohen return 0; 2102e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2103e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2104e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2105e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2106e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2107e126ba97SEli Cohen case IB_QP_CAP: 2108e126ba97SEli Cohen return 0; 2109e126ba97SEli Cohen case IB_QP_DEST_QPN: 2110e126ba97SEli Cohen return 0; 2111e126ba97SEli Cohen } 2112e126ba97SEli Cohen return 0; 2113e126ba97SEli Cohen } 2114e126ba97SEli Cohen 2115e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2116e126ba97SEli Cohen { 2117e126ba97SEli Cohen int result = 0; 2118e126ba97SEli Cohen int i; 2119e126ba97SEli Cohen 2120e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2121e126ba97SEli Cohen if ((1 << i) & ib_mask) 2122e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2123e126ba97SEli Cohen } 2124e126ba97SEli Cohen 2125e126ba97SEli Cohen return result; 2126e126ba97SEli Cohen } 2127e126ba97SEli Cohen 2128ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_rq(struct mlx5_core_dev *dev, 2129ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq, int new_state) 2130ad5f8e96Smajd@mellanox.com { 2131ad5f8e96Smajd@mellanox.com void *in; 2132ad5f8e96Smajd@mellanox.com void *rqc; 2133ad5f8e96Smajd@mellanox.com int inlen; 2134ad5f8e96Smajd@mellanox.com int err; 2135ad5f8e96Smajd@mellanox.com 2136ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 2137ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2138ad5f8e96Smajd@mellanox.com if (!in) 2139ad5f8e96Smajd@mellanox.com return -ENOMEM; 2140ad5f8e96Smajd@mellanox.com 2141ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2142ad5f8e96Smajd@mellanox.com 2143ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2144ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2145ad5f8e96Smajd@mellanox.com 2146ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_rq(dev, rq->base.mqp.qpn, in, inlen); 2147ad5f8e96Smajd@mellanox.com if (err) 2148ad5f8e96Smajd@mellanox.com goto out; 2149ad5f8e96Smajd@mellanox.com 2150ad5f8e96Smajd@mellanox.com rq->state = new_state; 2151ad5f8e96Smajd@mellanox.com 2152ad5f8e96Smajd@mellanox.com out: 2153ad5f8e96Smajd@mellanox.com kvfree(in); 2154ad5f8e96Smajd@mellanox.com return err; 2155ad5f8e96Smajd@mellanox.com } 2156ad5f8e96Smajd@mellanox.com 2157ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 2158ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq, int new_state) 2159ad5f8e96Smajd@mellanox.com { 2160ad5f8e96Smajd@mellanox.com void *in; 2161ad5f8e96Smajd@mellanox.com void *sqc; 2162ad5f8e96Smajd@mellanox.com int inlen; 2163ad5f8e96Smajd@mellanox.com int err; 2164ad5f8e96Smajd@mellanox.com 2165ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 2166ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2167ad5f8e96Smajd@mellanox.com if (!in) 2168ad5f8e96Smajd@mellanox.com return -ENOMEM; 2169ad5f8e96Smajd@mellanox.com 2170ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2171ad5f8e96Smajd@mellanox.com 2172ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2173ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2174ad5f8e96Smajd@mellanox.com 2175ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 2176ad5f8e96Smajd@mellanox.com if (err) 2177ad5f8e96Smajd@mellanox.com goto out; 2178ad5f8e96Smajd@mellanox.com 2179ad5f8e96Smajd@mellanox.com sq->state = new_state; 2180ad5f8e96Smajd@mellanox.com 2181ad5f8e96Smajd@mellanox.com out: 2182ad5f8e96Smajd@mellanox.com kvfree(in); 2183ad5f8e96Smajd@mellanox.com return err; 2184ad5f8e96Smajd@mellanox.com } 2185ad5f8e96Smajd@mellanox.com 2186ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2187ad5f8e96Smajd@mellanox.com u16 operation) 2188ad5f8e96Smajd@mellanox.com { 2189ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2190ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2191ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 2192ad5f8e96Smajd@mellanox.com int rq_state; 2193ad5f8e96Smajd@mellanox.com int sq_state; 2194ad5f8e96Smajd@mellanox.com int err; 2195ad5f8e96Smajd@mellanox.com 2196ad5f8e96Smajd@mellanox.com switch (operation) { 2197ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2198ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2199ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2200ad5f8e96Smajd@mellanox.com break; 2201ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2202ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2203ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2204ad5f8e96Smajd@mellanox.com break; 2205ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2206ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2207ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2208ad5f8e96Smajd@mellanox.com break; 2209ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2INIT_QP: 2210ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2RTR_QP: 2211ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2212ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 2213ad5f8e96Smajd@mellanox.com /* Nothing to do here... */ 2214ad5f8e96Smajd@mellanox.com return 0; 2215ad5f8e96Smajd@mellanox.com default: 2216ad5f8e96Smajd@mellanox.com WARN_ON(1); 2217ad5f8e96Smajd@mellanox.com return -EINVAL; 2218ad5f8e96Smajd@mellanox.com } 2219ad5f8e96Smajd@mellanox.com 2220ad5f8e96Smajd@mellanox.com if (qp->rq.wqe_cnt) { 2221ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp_rq(dev->mdev, rq, rq_state); 2222ad5f8e96Smajd@mellanox.com if (err) 2223ad5f8e96Smajd@mellanox.com return err; 2224ad5f8e96Smajd@mellanox.com } 2225ad5f8e96Smajd@mellanox.com 2226ad5f8e96Smajd@mellanox.com if (qp->sq.wqe_cnt) 2227ad5f8e96Smajd@mellanox.com return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state); 2228ad5f8e96Smajd@mellanox.com 2229ad5f8e96Smajd@mellanox.com return 0; 2230ad5f8e96Smajd@mellanox.com } 2231ad5f8e96Smajd@mellanox.com 2232e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2233e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2234e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2235e126ba97SEli Cohen { 2236427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2237427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2238427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2239427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2240427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2241427c1e7bSmajd@mellanox.com }, 2242427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2243427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2244427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2245427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2246427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2247427c1e7bSmajd@mellanox.com }, 2248427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2249427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2250427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2251427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2252427c1e7bSmajd@mellanox.com }, 2253427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2254427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2255427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2256427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2257427c1e7bSmajd@mellanox.com }, 2258427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2259427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2260427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2261427c1e7bSmajd@mellanox.com }, 2262427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2263427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2264427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2265427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2266427c1e7bSmajd@mellanox.com }, 2267427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2268427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2269427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2270427c1e7bSmajd@mellanox.com } 2271427c1e7bSmajd@mellanox.com }; 2272427c1e7bSmajd@mellanox.com 2273e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2274e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 227519098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2276e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2277e126ba97SEli Cohen struct mlx5_qp_context *context; 2278e126ba97SEli Cohen struct mlx5_modify_qp_mbox_in *in; 2279e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2280e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2281e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2282e126ba97SEli Cohen int sqd_event; 2283e126ba97SEli Cohen int mlx5_st; 2284e126ba97SEli Cohen int err; 2285427c1e7bSmajd@mellanox.com u16 op; 2286e126ba97SEli Cohen 2287e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 2288e126ba97SEli Cohen if (!in) 2289e126ba97SEli Cohen return -ENOMEM; 2290e126ba97SEli Cohen 2291e126ba97SEli Cohen context = &in->ctx; 2292e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2293158abf86SHaggai Eran if (err < 0) { 2294158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2295e126ba97SEli Cohen goto out; 2296158abf86SHaggai Eran } 2297e126ba97SEli Cohen 2298e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2299e126ba97SEli Cohen 2300e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2301e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2302e126ba97SEli Cohen } else { 2303e126ba97SEli Cohen switch (attr->path_mig_state) { 2304e126ba97SEli Cohen case IB_MIG_MIGRATED: 2305e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2306e126ba97SEli Cohen break; 2307e126ba97SEli Cohen case IB_MIG_REARM: 2308e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2309e126ba97SEli Cohen break; 2310e126ba97SEli Cohen case IB_MIG_ARMED: 2311e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2312e126ba97SEli Cohen break; 2313e126ba97SEli Cohen } 2314e126ba97SEli Cohen } 2315e126ba97SEli Cohen 2316d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2317e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2318e126ba97SEli Cohen } else if (ibqp->qp_type == IB_QPT_UD || 2319e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2320e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2321e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2322e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2323e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2324e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2325e126ba97SEli Cohen err = -EINVAL; 2326e126ba97SEli Cohen goto out; 2327e126ba97SEli Cohen } 2328938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2329938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2330e126ba97SEli Cohen } 2331e126ba97SEli Cohen 2332e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2333e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2334e126ba97SEli Cohen 2335e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2336d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2337e126ba97SEli Cohen 2338e126ba97SEli Cohen /* todo implement counter_index functionality */ 2339e126ba97SEli Cohen 2340e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2341e126ba97SEli Cohen context->pri_path.port = qp->port; 2342e126ba97SEli Cohen 2343e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2344e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2345e126ba97SEli Cohen 2346e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 234775850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2348e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2349f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2350e126ba97SEli Cohen if (err) 2351e126ba97SEli Cohen goto out; 2352e126ba97SEli Cohen } 2353e126ba97SEli Cohen 2354e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2355e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2356e126ba97SEli Cohen 2357e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 235875850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 235975850d0bSmajd@mellanox.com &context->alt_path, 2360f879ee8dSAchiad Shochat attr->alt_port_num, 2361f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2362f879ee8dSAchiad Shochat 0, attr, true); 2363e126ba97SEli Cohen if (err) 2364e126ba97SEli Cohen goto out; 2365e126ba97SEli Cohen } 2366e126ba97SEli Cohen 2367e126ba97SEli Cohen pd = get_pd(qp); 2368e126ba97SEli Cohen get_cqs(qp, &send_cq, &recv_cq); 2369e126ba97SEli Cohen 2370e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2371e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2372e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2373e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2374e126ba97SEli Cohen 2375e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2376e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2377e126ba97SEli Cohen 2378e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2379e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2380e126ba97SEli Cohen 2381e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2382e126ba97SEli Cohen if (attr->max_rd_atomic) 2383e126ba97SEli Cohen context->params1 |= 2384e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2385e126ba97SEli Cohen } 2386e126ba97SEli Cohen 2387e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2388e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2389e126ba97SEli Cohen 2390e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2391e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2392e126ba97SEli Cohen context->params2 |= 2393e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2394e126ba97SEli Cohen } 2395e126ba97SEli Cohen 2396e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2397e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2398e126ba97SEli Cohen 2399e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2400e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2401e126ba97SEli Cohen 2402e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2403e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2404e126ba97SEli Cohen 2405e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2406e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2407e126ba97SEli Cohen 2408e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2409e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2410e126ba97SEli Cohen 2411e126ba97SEli Cohen if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD && 2412e126ba97SEli Cohen attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify) 2413e126ba97SEli Cohen sqd_event = 1; 2414e126ba97SEli Cohen else 2415e126ba97SEli Cohen sqd_event = 0; 2416e126ba97SEli Cohen 2417e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2418e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2419e126ba97SEli Cohen 2420b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2421b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2422e126ba97SEli Cohen 2423e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2424e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2425e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 242607c9113fSEli Cohen if (mlx5_st < 0) 2427e126ba97SEli Cohen goto out; 2428e126ba97SEli Cohen 24296aec21f6SHaggai Eran /* If moving to a reset or error state, we must disable page faults on 24306aec21f6SHaggai Eran * this QP and flush all current page faults. Otherwise a stale page 24316aec21f6SHaggai Eran * fault may attempt to work on this QP after it is reset and moved 24326aec21f6SHaggai Eran * again to RTS, and may cause the driver and the device to get out of 24336aec21f6SHaggai Eran * sync. */ 24346aec21f6SHaggai Eran if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR && 2435ad5f8e96Smajd@mellanox.com (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR) && 2436ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 24376aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 24386aec21f6SHaggai Eran 2439427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2440427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2441427c1e7bSmajd@mellanox.com goto out; 2442427c1e7bSmajd@mellanox.com 2443427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2444e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2445e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2446e126ba97SEli Cohen in->optparam = cpu_to_be32(optpar); 2447ad5f8e96Smajd@mellanox.com 2448ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) 2449ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, op); 2450ad5f8e96Smajd@mellanox.com else 2451427c1e7bSmajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, op, in, sqd_event, 245219098df2Smajd@mellanox.com &base->mqp); 2453e126ba97SEli Cohen if (err) 2454e126ba97SEli Cohen goto out; 2455e126ba97SEli Cohen 2456ad5f8e96Smajd@mellanox.com if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT && 2457ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 24586aec21f6SHaggai Eran mlx5_ib_qp_enable_pagefaults(qp); 24596aec21f6SHaggai Eran 2460e126ba97SEli Cohen qp->state = new_state; 2461e126ba97SEli Cohen 2462e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 246319098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2464e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 246519098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2466e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2467e126ba97SEli Cohen qp->port = attr->port_num; 2468e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 246919098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2470e126ba97SEli Cohen 2471e126ba97SEli Cohen /* 2472e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2473e126ba97SEli Cohen * entries and reinitialize the QP. 2474e126ba97SEli Cohen */ 2475e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 247619098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2477e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2478e126ba97SEli Cohen if (send_cq != recv_cq) 247919098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2480e126ba97SEli Cohen 2481e126ba97SEli Cohen qp->rq.head = 0; 2482e126ba97SEli Cohen qp->rq.tail = 0; 2483e126ba97SEli Cohen qp->sq.head = 0; 2484e126ba97SEli Cohen qp->sq.tail = 0; 2485e126ba97SEli Cohen qp->sq.cur_post = 0; 2486e126ba97SEli Cohen qp->sq.last_poll = 0; 2487e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2488e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2489e126ba97SEli Cohen } 2490e126ba97SEli Cohen 2491e126ba97SEli Cohen out: 2492e126ba97SEli Cohen kfree(in); 2493e126ba97SEli Cohen return err; 2494e126ba97SEli Cohen } 2495e126ba97SEli Cohen 2496e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2497e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2498e126ba97SEli Cohen { 2499e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2500e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2501d16e91daSHaggai Eran enum ib_qp_type qp_type; 2502e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2503e126ba97SEli Cohen int err = -EINVAL; 2504e126ba97SEli Cohen int port; 25052811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2506e126ba97SEli Cohen 2507d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 2508d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 2509d16e91daSHaggai Eran 2510d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 2511d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 2512d16e91daSHaggai Eran 2513e126ba97SEli Cohen mutex_lock(&qp->mutex); 2514e126ba97SEli Cohen 2515e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 2516e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 2517e126ba97SEli Cohen 25182811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 25192811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 25202811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 25212811ba51SAchiad Shochat } 25222811ba51SAchiad Shochat 2523d16e91daSHaggai Eran if (qp_type != MLX5_IB_QPT_REG_UMR && 2524d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 2525158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 2526158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 2527e126ba97SEli Cohen goto out; 2528158abf86SHaggai Eran } 2529e126ba97SEli Cohen 2530e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 2531938fe83cSSaeed Mahameed (attr->port_num == 0 || 2532158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 2533158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 2534158abf86SHaggai Eran attr->port_num, dev->num_ports); 2535e126ba97SEli Cohen goto out; 2536158abf86SHaggai Eran } 2537e126ba97SEli Cohen 2538e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 2539e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 2540938fe83cSSaeed Mahameed if (attr->pkey_index >= 2541158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 2542158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 2543158abf86SHaggai Eran attr->pkey_index); 2544e126ba97SEli Cohen goto out; 2545e126ba97SEli Cohen } 2546158abf86SHaggai Eran } 2547e126ba97SEli Cohen 2548e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 2549938fe83cSSaeed Mahameed attr->max_rd_atomic > 2550158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 2551158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 2552158abf86SHaggai Eran attr->max_rd_atomic); 2553e126ba97SEli Cohen goto out; 2554158abf86SHaggai Eran } 2555e126ba97SEli Cohen 2556e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 2557938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 2558158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 2559158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 2560158abf86SHaggai Eran attr->max_dest_rd_atomic); 2561e126ba97SEli Cohen goto out; 2562158abf86SHaggai Eran } 2563e126ba97SEli Cohen 2564e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 2565e126ba97SEli Cohen err = 0; 2566e126ba97SEli Cohen goto out; 2567e126ba97SEli Cohen } 2568e126ba97SEli Cohen 2569e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 2570e126ba97SEli Cohen 2571e126ba97SEli Cohen out: 2572e126ba97SEli Cohen mutex_unlock(&qp->mutex); 2573e126ba97SEli Cohen return err; 2574e126ba97SEli Cohen } 2575e126ba97SEli Cohen 2576e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 2577e126ba97SEli Cohen { 2578e126ba97SEli Cohen struct mlx5_ib_cq *cq; 2579e126ba97SEli Cohen unsigned cur; 2580e126ba97SEli Cohen 2581e126ba97SEli Cohen cur = wq->head - wq->tail; 2582e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 2583e126ba97SEli Cohen return 0; 2584e126ba97SEli Cohen 2585e126ba97SEli Cohen cq = to_mcq(ib_cq); 2586e126ba97SEli Cohen spin_lock(&cq->lock); 2587e126ba97SEli Cohen cur = wq->head - wq->tail; 2588e126ba97SEli Cohen spin_unlock(&cq->lock); 2589e126ba97SEli Cohen 2590e126ba97SEli Cohen return cur + nreq >= wq->max_post; 2591e126ba97SEli Cohen } 2592e126ba97SEli Cohen 2593e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 2594e126ba97SEli Cohen u64 remote_addr, u32 rkey) 2595e126ba97SEli Cohen { 2596e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 2597e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 2598e126ba97SEli Cohen rseg->reserved = 0; 2599e126ba97SEli Cohen } 2600e126ba97SEli Cohen 2601f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 2602f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 2603f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 2604f0313965SErez Shitrit { 2605f0313965SErez Shitrit void *seg = eseg; 2606f0313965SErez Shitrit 2607f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 2608f0313965SErez Shitrit 2609f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 2610f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 2611f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 2612f0313965SErez Shitrit 2613f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 2614f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 2615f0313965SErez Shitrit 2616f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 2617f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 2618f0313965SErez Shitrit int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start); 2619f0313965SErez Shitrit u64 left, leftlen, copysz; 2620f0313965SErez Shitrit void *pdata = ud_wr->header; 2621f0313965SErez Shitrit 2622f0313965SErez Shitrit left = ud_wr->hlen; 2623f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 2624f0313965SErez Shitrit eseg->inline_hdr_sz = cpu_to_be16(left); 2625f0313965SErez Shitrit 2626f0313965SErez Shitrit /* 2627f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 2628f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 2629f0313965SErez Shitrit * rollback and than the copy the left 2630f0313965SErez Shitrit */ 2631f0313965SErez Shitrit leftlen = qend - (void *)eseg->inline_hdr_start; 2632f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 2633f0313965SErez Shitrit 2634f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 2635f0313965SErez Shitrit 2636f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 2637f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 2638f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 2639f0313965SErez Shitrit } 2640f0313965SErez Shitrit 2641f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 2642f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 2643f0313965SErez Shitrit left -= copysz; 2644f0313965SErez Shitrit pdata += copysz; 2645f0313965SErez Shitrit memcpy(seg, pdata, left); 2646f0313965SErez Shitrit seg += ALIGN(left, 16); 2647f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 2648f0313965SErez Shitrit } 2649f0313965SErez Shitrit } 2650f0313965SErez Shitrit 2651f0313965SErez Shitrit return seg; 2652f0313965SErez Shitrit } 2653f0313965SErez Shitrit 2654e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 2655e126ba97SEli Cohen struct ib_send_wr *wr) 2656e126ba97SEli Cohen { 2657e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 2658e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 2659e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 2660e126ba97SEli Cohen } 2661e126ba97SEli Cohen 2662e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 2663e126ba97SEli Cohen { 2664e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 2665e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 2666e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 2667e126ba97SEli Cohen } 2668e126ba97SEli Cohen 2669e126ba97SEli Cohen static __be16 get_klm_octo(int npages) 2670e126ba97SEli Cohen { 2671e126ba97SEli Cohen return cpu_to_be16(ALIGN(npages, 8) / 2); 2672e126ba97SEli Cohen } 2673e126ba97SEli Cohen 2674e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 2675e126ba97SEli Cohen { 2676e126ba97SEli Cohen u64 result; 2677e126ba97SEli Cohen 2678e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 2679e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2680e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2681e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 2682e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 2683e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2684e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2685e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2686e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2687e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2688e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 2689e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2690e126ba97SEli Cohen 2691e126ba97SEli Cohen return cpu_to_be64(result); 2692e126ba97SEli Cohen } 2693e126ba97SEli Cohen 2694e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 2695e6631814SSagi Grimberg { 2696e6631814SSagi Grimberg u64 result; 2697e6631814SSagi Grimberg 2698e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 2699e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 2700e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 2701d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 2702e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 2703e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 2704e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 2705e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 2706e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 2707e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 2708e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 2709e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 2710e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 2711e6631814SSagi Grimberg 2712e6631814SSagi Grimberg return cpu_to_be64(result); 2713e6631814SSagi Grimberg } 2714e6631814SSagi Grimberg 27158a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 27168a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 27178a187ee5SSagi Grimberg { 27188a187ee5SSagi Grimberg int ndescs = mr->ndescs; 27198a187ee5SSagi Grimberg 27208a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 2721b005d316SSagi Grimberg 2722b005d316SSagi Grimberg if (mr->access_mode == MLX5_ACCESS_MODE_KLM) 2723b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 2724b005d316SSagi Grimberg ndescs *= 2; 2725b005d316SSagi Grimberg 27268a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 27278a187ee5SSagi Grimberg umr->klm_octowords = get_klm_octo(ndescs); 27288a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 27298a187ee5SSagi Grimberg } 27308a187ee5SSagi Grimberg 2731dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 2732e126ba97SEli Cohen { 2733e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 2734e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 2735e126ba97SEli Cohen umr->flags = 1 << 7; 2736e126ba97SEli Cohen } 2737e126ba97SEli Cohen 2738968e78ddSHaggai Eran static __be64 get_umr_reg_mr_mask(void) 2739e126ba97SEli Cohen { 2740968e78ddSHaggai Eran u64 result; 2741e126ba97SEli Cohen 2742968e78ddSHaggai Eran result = MLX5_MKEY_MASK_LEN | 2743e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2744e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2745e126ba97SEli Cohen MLX5_MKEY_MASK_PD | 2746e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2747e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2748746b5583SEli Cohen MLX5_MKEY_MASK_KEY | 2749e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2750e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2751e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2752e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2753968e78ddSHaggai Eran 2754968e78ddSHaggai Eran return cpu_to_be64(result); 2755968e78ddSHaggai Eran } 2756968e78ddSHaggai Eran 2757968e78ddSHaggai Eran static __be64 get_umr_unreg_mr_mask(void) 2758968e78ddSHaggai Eran { 2759968e78ddSHaggai Eran u64 result; 2760968e78ddSHaggai Eran 2761968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 2762968e78ddSHaggai Eran 2763968e78ddSHaggai Eran return cpu_to_be64(result); 2764968e78ddSHaggai Eran } 2765968e78ddSHaggai Eran 2766968e78ddSHaggai Eran static __be64 get_umr_update_mtt_mask(void) 2767968e78ddSHaggai Eran { 2768968e78ddSHaggai Eran u64 result; 2769968e78ddSHaggai Eran 2770968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 2771968e78ddSHaggai Eran 2772968e78ddSHaggai Eran return cpu_to_be64(result); 2773968e78ddSHaggai Eran } 2774968e78ddSHaggai Eran 277556e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 277656e11d62SNoa Osherovich { 277756e11d62SNoa Osherovich u64 result; 277856e11d62SNoa Osherovich 277956e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 278056e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 278156e11d62SNoa Osherovich MLX5_MKEY_MASK_START_ADDR | 278256e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 278356e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 278456e11d62SNoa Osherovich 278556e11d62SNoa Osherovich return cpu_to_be64(result); 278656e11d62SNoa Osherovich } 278756e11d62SNoa Osherovich 278856e11d62SNoa Osherovich static __be64 get_umr_update_access_mask(void) 278956e11d62SNoa Osherovich { 279056e11d62SNoa Osherovich u64 result; 279156e11d62SNoa Osherovich 279256e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LW | 279356e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 279456e11d62SNoa Osherovich MLX5_MKEY_MASK_RW | 279556e11d62SNoa Osherovich MLX5_MKEY_MASK_A | 279656e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 279756e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 279856e11d62SNoa Osherovich 279956e11d62SNoa Osherovich return cpu_to_be64(result); 280056e11d62SNoa Osherovich } 280156e11d62SNoa Osherovich 280256e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 280356e11d62SNoa Osherovich { 280456e11d62SNoa Osherovich u64 result; 280556e11d62SNoa Osherovich 280656e11d62SNoa Osherovich result = MLX5_MKEY_MASK_PD | 280756e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 280856e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 280956e11d62SNoa Osherovich 281056e11d62SNoa Osherovich return cpu_to_be64(result); 281156e11d62SNoa Osherovich } 281256e11d62SNoa Osherovich 2813968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 2814968e78ddSHaggai Eran struct ib_send_wr *wr) 2815968e78ddSHaggai Eran { 2816e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 2817968e78ddSHaggai Eran 2818968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 2819968e78ddSHaggai Eran 2820968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 2821968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 2822968e78ddSHaggai Eran else 2823968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 2824968e78ddSHaggai Eran 2825968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UNREG)) { 2826968e78ddSHaggai Eran umr->klm_octowords = get_klm_octo(umrwr->npages); 2827968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT) { 2828968e78ddSHaggai Eran umr->mkey_mask = get_umr_update_mtt_mask(); 2829968e78ddSHaggai Eran umr->bsf_octowords = get_klm_octo(umrwr->target.offset); 2830968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 2831968e78ddSHaggai Eran } 283256e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 283356e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 283456e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_ACCESS) 283556e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_access_mask(); 283656e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD) 283756e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 283856e11d62SNoa Osherovich if (!umr->mkey_mask) 283956e11d62SNoa Osherovich umr->mkey_mask = get_umr_reg_mr_mask(); 2840968e78ddSHaggai Eran } else { 2841968e78ddSHaggai Eran umr->mkey_mask = get_umr_unreg_mr_mask(); 2842e126ba97SEli Cohen } 2843e126ba97SEli Cohen 2844e126ba97SEli Cohen if (!wr->num_sge) 2845968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 2846e126ba97SEli Cohen } 2847e126ba97SEli Cohen 2848e126ba97SEli Cohen static u8 get_umr_flags(int acc) 2849e126ba97SEli Cohen { 2850e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 2851e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 2852e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 2853e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 28542ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 2855e126ba97SEli Cohen } 2856e126ba97SEli Cohen 28578a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 28588a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 28598a187ee5SSagi Grimberg u32 key, int access) 28608a187ee5SSagi Grimberg { 28618a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 28628a187ee5SSagi Grimberg 28638a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 2864b005d316SSagi Grimberg 2865b005d316SSagi Grimberg if (mr->access_mode == MLX5_ACCESS_MODE_MTT) 2866b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 2867b005d316SSagi Grimberg else if (mr->access_mode == MLX5_ACCESS_MODE_KLM) 2868b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 2869b005d316SSagi Grimberg ndescs *= 2; 2870b005d316SSagi Grimberg 2871b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 28728a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 28738a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 28748a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 28758a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 28768a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 28778a187ee5SSagi Grimberg } 28788a187ee5SSagi Grimberg 2879dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 2880e126ba97SEli Cohen { 2881e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 2882968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 2883e126ba97SEli Cohen } 2884e126ba97SEli Cohen 2885e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 2886e126ba97SEli Cohen { 2887e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 2888968e78ddSHaggai Eran 2889e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 2890e126ba97SEli Cohen if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) { 2891968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 2892e126ba97SEli Cohen return; 2893e126ba97SEli Cohen } 2894e126ba97SEli Cohen 2895968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 2896968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT)) { 289756e11d62SNoa Osherovich if (umrwr->pd) 2898968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 2899968e78ddSHaggai Eran seg->start_addr = cpu_to_be64(umrwr->target.virt_addr); 2900968e78ddSHaggai Eran } 2901968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 2902968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 2903746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 2904968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 2905e126ba97SEli Cohen } 2906e126ba97SEli Cohen 29078a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 29088a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 29098a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 29108a187ee5SSagi Grimberg { 29118a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 29128a187ee5SSagi Grimberg 29138a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 29148a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 29158a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 29168a187ee5SSagi Grimberg } 29178a187ee5SSagi Grimberg 2918e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 2919e126ba97SEli Cohen { 2920e126ba97SEli Cohen switch (wr->opcode) { 2921e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 2922e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 2923e126ba97SEli Cohen return wr->ex.imm_data; 2924e126ba97SEli Cohen 2925e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 2926e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 2927e126ba97SEli Cohen 2928e126ba97SEli Cohen default: 2929e126ba97SEli Cohen return 0; 2930e126ba97SEli Cohen } 2931e126ba97SEli Cohen } 2932e126ba97SEli Cohen 2933e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 2934e126ba97SEli Cohen { 2935e126ba97SEli Cohen u8 *p = wqe; 2936e126ba97SEli Cohen u8 res = 0; 2937e126ba97SEli Cohen int i; 2938e126ba97SEli Cohen 2939e126ba97SEli Cohen for (i = 0; i < size; i++) 2940e126ba97SEli Cohen res ^= p[i]; 2941e126ba97SEli Cohen 2942e126ba97SEli Cohen return ~res; 2943e126ba97SEli Cohen } 2944e126ba97SEli Cohen 2945e126ba97SEli Cohen static u8 wq_sig(void *wqe) 2946e126ba97SEli Cohen { 2947e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 2948e126ba97SEli Cohen } 2949e126ba97SEli Cohen 2950e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 2951e126ba97SEli Cohen void *wqe, int *sz) 2952e126ba97SEli Cohen { 2953e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 2954e126ba97SEli Cohen void *qend = qp->sq.qend; 2955e126ba97SEli Cohen void *addr; 2956e126ba97SEli Cohen int inl = 0; 2957e126ba97SEli Cohen int copy; 2958e126ba97SEli Cohen int len; 2959e126ba97SEli Cohen int i; 2960e126ba97SEli Cohen 2961e126ba97SEli Cohen seg = wqe; 2962e126ba97SEli Cohen wqe += sizeof(*seg); 2963e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 2964e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 2965e126ba97SEli Cohen len = wr->sg_list[i].length; 2966e126ba97SEli Cohen inl += len; 2967e126ba97SEli Cohen 2968e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 2969e126ba97SEli Cohen return -ENOMEM; 2970e126ba97SEli Cohen 2971e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 2972e126ba97SEli Cohen copy = qend - wqe; 2973e126ba97SEli Cohen memcpy(wqe, addr, copy); 2974e126ba97SEli Cohen addr += copy; 2975e126ba97SEli Cohen len -= copy; 2976e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 2977e126ba97SEli Cohen } 2978e126ba97SEli Cohen memcpy(wqe, addr, len); 2979e126ba97SEli Cohen wqe += len; 2980e126ba97SEli Cohen } 2981e126ba97SEli Cohen 2982e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 2983e126ba97SEli Cohen 2984e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 2985e126ba97SEli Cohen 2986e126ba97SEli Cohen return 0; 2987e126ba97SEli Cohen } 2988e126ba97SEli Cohen 2989e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 2990e6631814SSagi Grimberg { 2991e6631814SSagi Grimberg switch (type) { 2992e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 2993e6631814SSagi Grimberg return MLX5_DIF_SIZE; 2994e6631814SSagi Grimberg default: 2995e6631814SSagi Grimberg return 0; 2996e6631814SSagi Grimberg } 2997e6631814SSagi Grimberg } 2998e6631814SSagi Grimberg 2999e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3000e6631814SSagi Grimberg { 3001e6631814SSagi Grimberg switch (block_size) { 3002e6631814SSagi Grimberg case 512: return 0x1; 3003e6631814SSagi Grimberg case 520: return 0x2; 3004e6631814SSagi Grimberg case 4096: return 0x3; 3005e6631814SSagi Grimberg case 4160: return 0x4; 3006e6631814SSagi Grimberg case 1073741824: return 0x5; 3007e6631814SSagi Grimberg default: return 0; 3008e6631814SSagi Grimberg } 3009e6631814SSagi Grimberg } 3010e6631814SSagi Grimberg 301178eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3012142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3013e6631814SSagi Grimberg { 3014142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3015142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3016142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3017142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3018142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3019142537f4SSagi Grimberg /* repeating block */ 3020142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3021142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3022142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3023e6631814SSagi Grimberg 302478eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 302578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3026e6631814SSagi Grimberg 302778eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 302878eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 302978eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 303078eda2bbSSagi Grimberg else 303178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3032e6631814SSagi Grimberg } 3033e6631814SSagi Grimberg 303478eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 303578eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3036e6631814SSagi Grimberg } 3037e6631814SSagi Grimberg 3038e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3039e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3040e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3041e6631814SSagi Grimberg { 3042e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3043e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3044e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3045e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3046e6631814SSagi Grimberg 3047c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3048e6631814SSagi Grimberg 3049142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3050142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3051e6631814SSagi Grimberg /* Input domain check byte mask */ 3052e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 305378eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 305478eda2bbSSagi Grimberg 305578eda2bbSSagi Grimberg /* Memory domain */ 305678eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 305778eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 305878eda2bbSSagi Grimberg break; 305978eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 306078eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 306178eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 306278eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 306378eda2bbSSagi Grimberg break; 306478eda2bbSSagi Grimberg default: 306578eda2bbSSagi Grimberg return -EINVAL; 306678eda2bbSSagi Grimberg } 306778eda2bbSSagi Grimberg 306878eda2bbSSagi Grimberg /* Wire domain */ 306978eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 307078eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 307178eda2bbSSagi Grimberg break; 307278eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3073e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 307478eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3075e6631814SSagi Grimberg /* Same block structure */ 3076142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3077e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3078fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3079c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3080fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3081c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3082fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3083e6631814SSagi Grimberg } else 3084e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3085e6631814SSagi Grimberg 3086142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 308778eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3088e6631814SSagi Grimberg break; 3089e6631814SSagi Grimberg default: 3090e6631814SSagi Grimberg return -EINVAL; 3091e6631814SSagi Grimberg } 3092e6631814SSagi Grimberg 3093e6631814SSagi Grimberg return 0; 3094e6631814SSagi Grimberg } 3095e6631814SSagi Grimberg 3096e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3097e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3098e6631814SSagi Grimberg { 3099e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3100e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3101e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3102e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3103e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3104e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3105e6631814SSagi Grimberg int ret; 3106e6631814SSagi Grimberg int wqe_size; 3107e6631814SSagi Grimberg 3108e622f2f4SChristoph Hellwig if (!wr->prot || 3109e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3110e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3111e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3112e6631814SSagi Grimberg /** 3113e6631814SSagi Grimberg * Source domain doesn't contain signature information 31145c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3115e6631814SSagi Grimberg * So need construct: 3116e6631814SSagi Grimberg * ------------------ 3117e6631814SSagi Grimberg * | data_klm | 3118e6631814SSagi Grimberg * ------------------ 3119e6631814SSagi Grimberg * | BSF | 3120e6631814SSagi Grimberg * ------------------ 3121e6631814SSagi Grimberg **/ 3122e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3123e6631814SSagi Grimberg 3124e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3125e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3126e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3127e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3128e6631814SSagi Grimberg } else { 3129e6631814SSagi Grimberg /** 3130e6631814SSagi Grimberg * Source domain contains signature information 3131e6631814SSagi Grimberg * So need construct a strided block format: 3132e6631814SSagi Grimberg * --------------------------- 3133e6631814SSagi Grimberg * | stride_block_ctrl | 3134e6631814SSagi Grimberg * --------------------------- 3135e6631814SSagi Grimberg * | data_klm | 3136e6631814SSagi Grimberg * --------------------------- 3137e6631814SSagi Grimberg * | prot_klm | 3138e6631814SSagi Grimberg * --------------------------- 3139e6631814SSagi Grimberg * | BSF | 3140e6631814SSagi Grimberg * --------------------------- 3141e6631814SSagi Grimberg **/ 3142e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3143e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3144e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3145e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3146e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3147e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3148e6631814SSagi Grimberg int prot_size; 3149e6631814SSagi Grimberg 3150e6631814SSagi Grimberg sblock_ctrl = *seg; 3151e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3152e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3153e6631814SSagi Grimberg 3154e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3155e6631814SSagi Grimberg if (!prot_size) { 3156e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3157e6631814SSagi Grimberg return -EINVAL; 3158e6631814SSagi Grimberg } 3159e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3160e6631814SSagi Grimberg prot_size); 3161e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3162e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3163e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3164e6631814SSagi Grimberg 3165e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3166e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3167e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 31685c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 31695c273b16SSagi Grimberg 3170e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3171e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3172e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3173e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 31745c273b16SSagi Grimberg 3175e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3176e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3177e6631814SSagi Grimberg } 3178e6631814SSagi Grimberg 3179e6631814SSagi Grimberg *seg += wqe_size; 3180e6631814SSagi Grimberg *size += wqe_size / 16; 3181e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3182e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3183e6631814SSagi Grimberg 3184e6631814SSagi Grimberg bsf = *seg; 3185e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3186e6631814SSagi Grimberg if (ret) 3187e6631814SSagi Grimberg return -EINVAL; 3188e6631814SSagi Grimberg 3189e6631814SSagi Grimberg *seg += sizeof(*bsf); 3190e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3191e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3192e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3193e6631814SSagi Grimberg 3194e6631814SSagi Grimberg return 0; 3195e6631814SSagi Grimberg } 3196e6631814SSagi Grimberg 3197e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 3198e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr, u32 nelements, 3199e6631814SSagi Grimberg u32 length, u32 pdn) 3200e6631814SSagi Grimberg { 3201e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3202e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3203d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3204e6631814SSagi Grimberg 3205e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3206e6631814SSagi Grimberg 3207e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3208e6631814SSagi Grimberg MLX5_ACCESS_MODE_KLM; 3209e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3210d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3211e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3212e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 3213e6631814SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements))); 3214e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3215e6631814SSagi Grimberg } 3216e6631814SSagi Grimberg 3217e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3218e622f2f4SChristoph Hellwig u32 nelements) 3219e6631814SSagi Grimberg { 3220e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3221e6631814SSagi Grimberg 3222e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 3223e6631814SSagi Grimberg umr->klm_octowords = get_klm_octo(nelements); 3224e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3225e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3226e6631814SSagi Grimberg } 3227e6631814SSagi Grimberg 3228e6631814SSagi Grimberg 3229e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3230e6631814SSagi Grimberg void **seg, int *size) 3231e6631814SSagi Grimberg { 3232e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3233e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3234e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 3235e6631814SSagi Grimberg u32 klm_oct_size; 3236e6631814SSagi Grimberg int region_len, ret; 3237e6631814SSagi Grimberg 3238e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3239e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3240d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3241d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3242e6631814SSagi Grimberg return -EINVAL; 3243e6631814SSagi Grimberg 3244e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3245e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3246e622f2f4SChristoph Hellwig if (wr->prot && 3247e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3248e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3249e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3250e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3251e6631814SSagi Grimberg 3252e6631814SSagi Grimberg /** 3253e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3254e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3255e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3256e6631814SSagi Grimberg **/ 3257e622f2f4SChristoph Hellwig klm_oct_size = wr->prot ? 3 : 1; 3258e6631814SSagi Grimberg 3259e622f2f4SChristoph Hellwig set_sig_umr_segment(*seg, klm_oct_size); 3260e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3261e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3262e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3263e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3264e6631814SSagi Grimberg 3265e6631814SSagi Grimberg set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn); 3266e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3267e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3268e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3269e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3270e6631814SSagi Grimberg 3271e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3272e6631814SSagi Grimberg if (ret) 3273e6631814SSagi Grimberg return ret; 3274e6631814SSagi Grimberg 3275d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3276e6631814SSagi Grimberg return 0; 3277e6631814SSagi Grimberg } 3278e6631814SSagi Grimberg 3279e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3280e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3281e6631814SSagi Grimberg { 3282e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3283e6631814SSagi Grimberg 3284e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3285e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3286e6631814SSagi Grimberg switch (domain->sig_type) { 328778eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 328878eda2bbSSagi Grimberg break; 3289e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3290e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3291e6631814SSagi Grimberg domain->sig.dif.app_tag); 3292e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3293e6631814SSagi Grimberg break; 3294e6631814SSagi Grimberg default: 3295e6631814SSagi Grimberg pr_err("Bad signature type given.\n"); 3296e6631814SSagi Grimberg return 1; 3297e6631814SSagi Grimberg } 3298e6631814SSagi Grimberg 329978eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 330078eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 330178eda2bbSSagi Grimberg 3302e6631814SSagi Grimberg return 0; 3303e6631814SSagi Grimberg } 3304e6631814SSagi Grimberg 33058a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 33068a187ee5SSagi Grimberg struct ib_reg_wr *wr, 33078a187ee5SSagi Grimberg void **seg, int *size) 33088a187ee5SSagi Grimberg { 33098a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 33108a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 33118a187ee5SSagi Grimberg 33128a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 33138a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 33148a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 33158a187ee5SSagi Grimberg return -EINVAL; 33168a187ee5SSagi Grimberg } 33178a187ee5SSagi Grimberg 33188a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 33198a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 33208a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 33218a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 33228a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 33238a187ee5SSagi Grimberg 33248a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 33258a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 33268a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 33278a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 33288a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 33298a187ee5SSagi Grimberg 33308a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 33318a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 33328a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 33338a187ee5SSagi Grimberg 33348a187ee5SSagi Grimberg return 0; 33358a187ee5SSagi Grimberg } 33368a187ee5SSagi Grimberg 3337dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3338e126ba97SEli Cohen { 3339dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3340e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3341e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3342e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3343e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3344dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3345e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3346e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3347e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3348e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3349e126ba97SEli Cohen } 3350e126ba97SEli Cohen 3351e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3352e126ba97SEli Cohen { 3353e126ba97SEli Cohen __be32 *p = NULL; 3354e126ba97SEli Cohen int tidx = idx; 3355e126ba97SEli Cohen int i, j; 3356e126ba97SEli Cohen 3357e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3358e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3359e126ba97SEli Cohen if ((i & 0xf) == 0) { 3360e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3361e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3362e126ba97SEli Cohen p = buf; 3363e126ba97SEli Cohen j = 0; 3364e126ba97SEli Cohen } 3365e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3366e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3367e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3368e126ba97SEli Cohen } 3369e126ba97SEli Cohen } 3370e126ba97SEli Cohen 3371e126ba97SEli Cohen static void mlx5_bf_copy(u64 __iomem *dst, u64 *src, 3372e126ba97SEli Cohen unsigned bytecnt, struct mlx5_ib_qp *qp) 3373e126ba97SEli Cohen { 3374e126ba97SEli Cohen while (bytecnt > 0) { 3375e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3376e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3377e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3378e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3379e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3380e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3381e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3382e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3383e126ba97SEli Cohen bytecnt -= 64; 3384e126ba97SEli Cohen if (unlikely(src == qp->sq.qend)) 3385e126ba97SEli Cohen src = mlx5_get_send_wqe(qp, 0); 3386e126ba97SEli Cohen } 3387e126ba97SEli Cohen } 3388e126ba97SEli Cohen 3389e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr) 3390e126ba97SEli Cohen { 3391e126ba97SEli Cohen if (unlikely(wr->opcode == IB_WR_LOCAL_INV && 3392e126ba97SEli Cohen wr->send_flags & IB_SEND_FENCE)) 3393e126ba97SEli Cohen return MLX5_FENCE_MODE_STRONG_ORDERING; 3394e126ba97SEli Cohen 3395e126ba97SEli Cohen if (unlikely(fence)) { 3396e126ba97SEli Cohen if (wr->send_flags & IB_SEND_FENCE) 3397e126ba97SEli Cohen return MLX5_FENCE_MODE_SMALL_AND_FENCE; 3398e126ba97SEli Cohen else 3399e126ba97SEli Cohen return fence; 3400e126ba97SEli Cohen 3401e126ba97SEli Cohen } else { 3402e126ba97SEli Cohen return 0; 3403e126ba97SEli Cohen } 3404e126ba97SEli Cohen } 3405e126ba97SEli Cohen 34066e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 34076e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 34086a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 34096e5eadacSSagi Grimberg int *size, int nreq) 34106e5eadacSSagi Grimberg { 34116e5eadacSSagi Grimberg int err = 0; 34126e5eadacSSagi Grimberg 34136e5eadacSSagi Grimberg if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) { 34146e5eadacSSagi Grimberg err = -ENOMEM; 34156e5eadacSSagi Grimberg return err; 34166e5eadacSSagi Grimberg } 34176e5eadacSSagi Grimberg 34186e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 34196e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 34206e5eadacSSagi Grimberg *ctrl = *seg; 34216e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 34226e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 34236e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 34246e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 34256e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 34266e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 34276e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 34286e5eadacSSagi Grimberg 34296e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 34306e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 34316e5eadacSSagi Grimberg 34326e5eadacSSagi Grimberg return err; 34336e5eadacSSagi Grimberg } 34346e5eadacSSagi Grimberg 34356e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 34366e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 34376e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 34386e5eadacSSagi Grimberg int nreq, u8 fence, u8 next_fence, 34396e5eadacSSagi Grimberg u32 mlx5_opcode) 34406e5eadacSSagi Grimberg { 34416e5eadacSSagi Grimberg u8 opmod = 0; 34426e5eadacSSagi Grimberg 34436e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 34446e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 344519098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 34466e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 34476e5eadacSSagi Grimberg qp->fm_cache = next_fence; 34486e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 34496e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 34506e5eadacSSagi Grimberg 34516e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 34526e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 34536e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 34546e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 34556e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 34566e5eadacSSagi Grimberg } 34576e5eadacSSagi Grimberg 34586e5eadacSSagi Grimberg 3459e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3460e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3461e126ba97SEli Cohen { 3462e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3463e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3464d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3465e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3466e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3467e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3468d16e91daSHaggai Eran struct mlx5_bf *bf; 3469e126ba97SEli Cohen int uninitialized_var(size); 3470d16e91daSHaggai Eran void *qend; 3471e126ba97SEli Cohen unsigned long flags; 3472e126ba97SEli Cohen unsigned idx; 3473e126ba97SEli Cohen int err = 0; 3474e126ba97SEli Cohen int inl = 0; 3475e126ba97SEli Cohen int num_sge; 3476e126ba97SEli Cohen void *seg; 3477e126ba97SEli Cohen int nreq; 3478e126ba97SEli Cohen int i; 3479e126ba97SEli Cohen u8 next_fence = 0; 3480e126ba97SEli Cohen u8 fence; 3481e126ba97SEli Cohen 3482d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3483d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3484d16e91daSHaggai Eran 3485d16e91daSHaggai Eran qp = to_mqp(ibqp); 3486d16e91daSHaggai Eran bf = qp->bf; 3487d16e91daSHaggai Eran qend = qp->sq.qend; 3488d16e91daSHaggai Eran 3489e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3490e126ba97SEli Cohen 3491e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3492a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3493e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3494e126ba97SEli Cohen err = -EINVAL; 3495e126ba97SEli Cohen *bad_wr = wr; 3496e126ba97SEli Cohen goto out; 3497e126ba97SEli Cohen } 3498e126ba97SEli Cohen 3499e126ba97SEli Cohen fence = qp->fm_cache; 3500e126ba97SEli Cohen num_sge = wr->num_sge; 3501e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3502e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3503e126ba97SEli Cohen err = -ENOMEM; 3504e126ba97SEli Cohen *bad_wr = wr; 3505e126ba97SEli Cohen goto out; 3506e126ba97SEli Cohen } 3507e126ba97SEli Cohen 35086e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 35096e5eadacSSagi Grimberg if (err) { 35106e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 35116e5eadacSSagi Grimberg err = -ENOMEM; 35126e5eadacSSagi Grimberg *bad_wr = wr; 35136e5eadacSSagi Grimberg goto out; 35146e5eadacSSagi Grimberg } 3515e126ba97SEli Cohen 3516e126ba97SEli Cohen switch (ibqp->qp_type) { 3517e126ba97SEli Cohen case IB_QPT_XRC_INI: 3518e126ba97SEli Cohen xrc = seg; 3519e126ba97SEli Cohen seg += sizeof(*xrc); 3520e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3521e126ba97SEli Cohen /* fall through */ 3522e126ba97SEli Cohen case IB_QPT_RC: 3523e126ba97SEli Cohen switch (wr->opcode) { 3524e126ba97SEli Cohen case IB_WR_RDMA_READ: 3525e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3526e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3527e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3528e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3529e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3530e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3531e126ba97SEli Cohen break; 3532e126ba97SEli Cohen 3533e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3534e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3535e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 353681bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 353781bea28fSEli Cohen err = -ENOSYS; 353881bea28fSEli Cohen *bad_wr = wr; 353981bea28fSEli Cohen goto out; 3540e126ba97SEli Cohen 3541e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3542e126ba97SEli Cohen next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3543e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3544e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3545dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3546e126ba97SEli Cohen num_sge = 0; 3547e126ba97SEli Cohen break; 3548e126ba97SEli Cohen 35498a187ee5SSagi Grimberg case IB_WR_REG_MR: 35508a187ee5SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 35518a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 35528a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 35538a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 35548a187ee5SSagi Grimberg if (err) { 35558a187ee5SSagi Grimberg *bad_wr = wr; 35568a187ee5SSagi Grimberg goto out; 35578a187ee5SSagi Grimberg } 35588a187ee5SSagi Grimberg num_sge = 0; 35598a187ee5SSagi Grimberg break; 35608a187ee5SSagi Grimberg 3561e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 3562e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 3563e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 3564e6631814SSagi Grimberg 3565e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 3566e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 3567e6631814SSagi Grimberg if (err) { 3568e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3569e6631814SSagi Grimberg *bad_wr = wr; 3570e6631814SSagi Grimberg goto out; 3571e6631814SSagi Grimberg } 3572e6631814SSagi Grimberg 3573e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3574e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3575e6631814SSagi Grimberg next_fence, MLX5_OPCODE_UMR); 3576e6631814SSagi Grimberg /* 3577e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 3578e6631814SSagi Grimberg * on error 3579e6631814SSagi Grimberg */ 3580e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 3581e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 3582e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3583e6631814SSagi Grimberg &idx, &size, nreq); 3584e6631814SSagi Grimberg if (err) { 3585e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3586e6631814SSagi Grimberg err = -ENOMEM; 3587e6631814SSagi Grimberg *bad_wr = wr; 3588e6631814SSagi Grimberg goto out; 3589e6631814SSagi Grimberg } 3590e6631814SSagi Grimberg 3591e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 3592e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 3593e6631814SSagi Grimberg &size); 3594e6631814SSagi Grimberg if (err) { 3595e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3596e6631814SSagi Grimberg *bad_wr = wr; 3597e6631814SSagi Grimberg goto out; 3598e6631814SSagi Grimberg } 3599e6631814SSagi Grimberg 3600e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3601e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3602e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3603e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3604e6631814SSagi Grimberg &idx, &size, nreq); 3605e6631814SSagi Grimberg if (err) { 3606e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3607e6631814SSagi Grimberg err = -ENOMEM; 3608e6631814SSagi Grimberg *bad_wr = wr; 3609e6631814SSagi Grimberg goto out; 3610e6631814SSagi Grimberg } 3611e6631814SSagi Grimberg 3612e6631814SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3613e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 3614e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 3615e6631814SSagi Grimberg &size); 3616e6631814SSagi Grimberg if (err) { 3617e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3618e6631814SSagi Grimberg *bad_wr = wr; 3619e6631814SSagi Grimberg goto out; 3620e6631814SSagi Grimberg } 3621e6631814SSagi Grimberg 3622e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3623e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3624e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3625e6631814SSagi Grimberg num_sge = 0; 3626e6631814SSagi Grimberg goto skip_psv; 3627e6631814SSagi Grimberg 3628e126ba97SEli Cohen default: 3629e126ba97SEli Cohen break; 3630e126ba97SEli Cohen } 3631e126ba97SEli Cohen break; 3632e126ba97SEli Cohen 3633e126ba97SEli Cohen case IB_QPT_UC: 3634e126ba97SEli Cohen switch (wr->opcode) { 3635e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3636e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3637e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3638e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3639e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3640e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3641e126ba97SEli Cohen break; 3642e126ba97SEli Cohen 3643e126ba97SEli Cohen default: 3644e126ba97SEli Cohen break; 3645e126ba97SEli Cohen } 3646e126ba97SEli Cohen break; 3647e126ba97SEli Cohen 3648e126ba97SEli Cohen case IB_QPT_SMI: 3649d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 3650e126ba97SEli Cohen set_datagram_seg(seg, wr); 3651e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 3652e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3653e126ba97SEli Cohen if (unlikely((seg == qend))) 3654e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3655e126ba97SEli Cohen break; 3656f0313965SErez Shitrit case IB_QPT_UD: 3657f0313965SErez Shitrit set_datagram_seg(seg, wr); 3658f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 3659f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3660e126ba97SEli Cohen 3661f0313965SErez Shitrit if (unlikely((seg == qend))) 3662f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3663f0313965SErez Shitrit 3664f0313965SErez Shitrit /* handle qp that supports ud offload */ 3665f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 3666f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 3667f0313965SErez Shitrit 3668f0313965SErez Shitrit pad = seg; 3669f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 3670f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 3671f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 3672f0313965SErez Shitrit 3673f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 3674f0313965SErez Shitrit 3675f0313965SErez Shitrit if (unlikely((seg == qend))) 3676f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3677f0313965SErez Shitrit } 3678f0313965SErez Shitrit break; 3679e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 3680e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 3681e126ba97SEli Cohen err = -EINVAL; 3682e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 3683e126ba97SEli Cohen goto out; 3684e126ba97SEli Cohen } 3685e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 3686e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 3687e126ba97SEli Cohen set_reg_umr_segment(seg, wr); 3688e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3689e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3690e126ba97SEli Cohen if (unlikely((seg == qend))) 3691e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3692e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 3693e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 3694e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 3695e126ba97SEli Cohen if (unlikely((seg == qend))) 3696e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3697e126ba97SEli Cohen break; 3698e126ba97SEli Cohen 3699e126ba97SEli Cohen default: 3700e126ba97SEli Cohen break; 3701e126ba97SEli Cohen } 3702e126ba97SEli Cohen 3703e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 3704e126ba97SEli Cohen int uninitialized_var(sz); 3705e126ba97SEli Cohen 3706e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 3707e126ba97SEli Cohen if (unlikely(err)) { 3708e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3709e126ba97SEli Cohen *bad_wr = wr; 3710e126ba97SEli Cohen goto out; 3711e126ba97SEli Cohen } 3712e126ba97SEli Cohen inl = 1; 3713e126ba97SEli Cohen size += sz; 3714e126ba97SEli Cohen } else { 3715e126ba97SEli Cohen dpseg = seg; 3716e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 3717e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 3718e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3719e126ba97SEli Cohen dpseg = seg; 3720e126ba97SEli Cohen } 3721e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 3722e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 3723e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 3724e126ba97SEli Cohen dpseg++; 3725e126ba97SEli Cohen } 3726e126ba97SEli Cohen } 3727e126ba97SEli Cohen } 3728e126ba97SEli Cohen 37296e5eadacSSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 37306e5eadacSSagi Grimberg get_fence(fence, wr), next_fence, 37316e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 3732e6631814SSagi Grimberg skip_psv: 3733e126ba97SEli Cohen if (0) 3734e126ba97SEli Cohen dump_wqe(qp, idx, size); 3735e126ba97SEli Cohen } 3736e126ba97SEli Cohen 3737e126ba97SEli Cohen out: 3738e126ba97SEli Cohen if (likely(nreq)) { 3739e126ba97SEli Cohen qp->sq.head += nreq; 3740e126ba97SEli Cohen 3741e126ba97SEli Cohen /* Make sure that descriptors are written before 3742e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 3743e126ba97SEli Cohen */ 3744e126ba97SEli Cohen wmb(); 3745e126ba97SEli Cohen 3746e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 3747e126ba97SEli Cohen 3748ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 3749ada388f7SEli Cohen * we hit doorbell */ 3750ada388f7SEli Cohen wmb(); 3751ada388f7SEli Cohen 3752e126ba97SEli Cohen if (bf->need_lock) 3753e126ba97SEli Cohen spin_lock(&bf->lock); 37546a4f139aSEli Cohen else 37556a4f139aSEli Cohen __acquire(&bf->lock); 3756e126ba97SEli Cohen 3757e126ba97SEli Cohen /* TBD enable WC */ 3758e126ba97SEli Cohen if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) { 3759e126ba97SEli Cohen mlx5_bf_copy(bf->reg + bf->offset, (u64 *)ctrl, ALIGN(size * 16, 64), qp); 3760e126ba97SEli Cohen /* wc_wmb(); */ 3761e126ba97SEli Cohen } else { 3762e126ba97SEli Cohen mlx5_write64((__be32 *)ctrl, bf->regreg + bf->offset, 3763e126ba97SEli Cohen MLX5_GET_DOORBELL_LOCK(&bf->lock32)); 3764e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 3765e126ba97SEli Cohen * and reach the HCA out of order. 3766e126ba97SEli Cohen */ 3767e126ba97SEli Cohen mmiowb(); 3768e126ba97SEli Cohen } 3769e126ba97SEli Cohen bf->offset ^= bf->buf_size; 3770e126ba97SEli Cohen if (bf->need_lock) 3771e126ba97SEli Cohen spin_unlock(&bf->lock); 37726a4f139aSEli Cohen else 37736a4f139aSEli Cohen __release(&bf->lock); 3774e126ba97SEli Cohen } 3775e126ba97SEli Cohen 3776e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 3777e126ba97SEli Cohen 3778e126ba97SEli Cohen return err; 3779e126ba97SEli Cohen } 3780e126ba97SEli Cohen 3781e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 3782e126ba97SEli Cohen { 3783e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 3784e126ba97SEli Cohen } 3785e126ba97SEli Cohen 3786e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 3787e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 3788e126ba97SEli Cohen { 3789e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 3790e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 3791e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 3792e126ba97SEli Cohen unsigned long flags; 3793e126ba97SEli Cohen int err = 0; 3794e126ba97SEli Cohen int nreq; 3795e126ba97SEli Cohen int ind; 3796e126ba97SEli Cohen int i; 3797e126ba97SEli Cohen 3798d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3799d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 3800d16e91daSHaggai Eran 3801e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 3802e126ba97SEli Cohen 3803e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 3804e126ba97SEli Cohen 3805e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3806e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 3807e126ba97SEli Cohen err = -ENOMEM; 3808e126ba97SEli Cohen *bad_wr = wr; 3809e126ba97SEli Cohen goto out; 3810e126ba97SEli Cohen } 3811e126ba97SEli Cohen 3812e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 3813e126ba97SEli Cohen err = -EINVAL; 3814e126ba97SEli Cohen *bad_wr = wr; 3815e126ba97SEli Cohen goto out; 3816e126ba97SEli Cohen } 3817e126ba97SEli Cohen 3818e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 3819e126ba97SEli Cohen if (qp->wq_sig) 3820e126ba97SEli Cohen scat++; 3821e126ba97SEli Cohen 3822e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 3823e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 3824e126ba97SEli Cohen 3825e126ba97SEli Cohen if (i < qp->rq.max_gs) { 3826e126ba97SEli Cohen scat[i].byte_count = 0; 3827e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 3828e126ba97SEli Cohen scat[i].addr = 0; 3829e126ba97SEli Cohen } 3830e126ba97SEli Cohen 3831e126ba97SEli Cohen if (qp->wq_sig) { 3832e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 3833e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 3834e126ba97SEli Cohen } 3835e126ba97SEli Cohen 3836e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 3837e126ba97SEli Cohen 3838e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 3839e126ba97SEli Cohen } 3840e126ba97SEli Cohen 3841e126ba97SEli Cohen out: 3842e126ba97SEli Cohen if (likely(nreq)) { 3843e126ba97SEli Cohen qp->rq.head += nreq; 3844e126ba97SEli Cohen 3845e126ba97SEli Cohen /* Make sure that descriptors are written before 3846e126ba97SEli Cohen * doorbell record. 3847e126ba97SEli Cohen */ 3848e126ba97SEli Cohen wmb(); 3849e126ba97SEli Cohen 3850e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 3851e126ba97SEli Cohen } 3852e126ba97SEli Cohen 3853e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 3854e126ba97SEli Cohen 3855e126ba97SEli Cohen return err; 3856e126ba97SEli Cohen } 3857e126ba97SEli Cohen 3858e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 3859e126ba97SEli Cohen { 3860e126ba97SEli Cohen switch (mlx5_state) { 3861e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 3862e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 3863e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 3864e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 3865e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 3866e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 3867e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 3868e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 3869e126ba97SEli Cohen default: return -1; 3870e126ba97SEli Cohen } 3871e126ba97SEli Cohen } 3872e126ba97SEli Cohen 3873e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 3874e126ba97SEli Cohen { 3875e126ba97SEli Cohen switch (mlx5_mig_state) { 3876e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 3877e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 3878e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 3879e126ba97SEli Cohen default: return -1; 3880e126ba97SEli Cohen } 3881e126ba97SEli Cohen } 3882e126ba97SEli Cohen 3883e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 3884e126ba97SEli Cohen { 3885e126ba97SEli Cohen int ib_flags = 0; 3886e126ba97SEli Cohen 3887e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 3888e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 3889e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 3890e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 3891e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 3892e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 3893e126ba97SEli Cohen 3894e126ba97SEli Cohen return ib_flags; 3895e126ba97SEli Cohen } 3896e126ba97SEli Cohen 3897e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, 3898e126ba97SEli Cohen struct mlx5_qp_path *path) 3899e126ba97SEli Cohen { 39009603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 3901e126ba97SEli Cohen 3902e126ba97SEli Cohen memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); 3903e126ba97SEli Cohen ib_ah_attr->port_num = path->port; 3904e126ba97SEli Cohen 3905c7a08ac7SEli Cohen if (ib_ah_attr->port_num == 0 || 3906938fe83cSSaeed Mahameed ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) 3907e126ba97SEli Cohen return; 3908e126ba97SEli Cohen 39092811ba51SAchiad Shochat ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; 3910e126ba97SEli Cohen 3911e126ba97SEli Cohen ib_ah_attr->dlid = be16_to_cpu(path->rlid); 3912e126ba97SEli Cohen ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; 3913e126ba97SEli Cohen ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; 3914e126ba97SEli Cohen ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; 3915e126ba97SEli Cohen if (ib_ah_attr->ah_flags) { 3916e126ba97SEli Cohen ib_ah_attr->grh.sgid_index = path->mgid_index; 3917e126ba97SEli Cohen ib_ah_attr->grh.hop_limit = path->hop_limit; 3918e126ba97SEli Cohen ib_ah_attr->grh.traffic_class = 3919e126ba97SEli Cohen (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; 3920e126ba97SEli Cohen ib_ah_attr->grh.flow_label = 3921e126ba97SEli Cohen be32_to_cpu(path->tclass_flowlabel) & 0xfffff; 3922e126ba97SEli Cohen memcpy(ib_ah_attr->grh.dgid.raw, 3923e126ba97SEli Cohen path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); 3924e126ba97SEli Cohen } 3925e126ba97SEli Cohen } 3926e126ba97SEli Cohen 39276d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 39286d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 39296d2f89dfSmajd@mellanox.com u8 *sq_state) 3930e126ba97SEli Cohen { 39316d2f89dfSmajd@mellanox.com void *out; 39326d2f89dfSmajd@mellanox.com void *sqc; 39336d2f89dfSmajd@mellanox.com int inlen; 39346d2f89dfSmajd@mellanox.com int err; 39356d2f89dfSmajd@mellanox.com 39366d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 39376d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 39386d2f89dfSmajd@mellanox.com if (!out) 39396d2f89dfSmajd@mellanox.com return -ENOMEM; 39406d2f89dfSmajd@mellanox.com 39416d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 39426d2f89dfSmajd@mellanox.com if (err) 39436d2f89dfSmajd@mellanox.com goto out; 39446d2f89dfSmajd@mellanox.com 39456d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 39466d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 39476d2f89dfSmajd@mellanox.com sq->state = *sq_state; 39486d2f89dfSmajd@mellanox.com 39496d2f89dfSmajd@mellanox.com out: 39506d2f89dfSmajd@mellanox.com kvfree(out); 39516d2f89dfSmajd@mellanox.com return err; 39526d2f89dfSmajd@mellanox.com } 39536d2f89dfSmajd@mellanox.com 39546d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 39556d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 39566d2f89dfSmajd@mellanox.com u8 *rq_state) 39576d2f89dfSmajd@mellanox.com { 39586d2f89dfSmajd@mellanox.com void *out; 39596d2f89dfSmajd@mellanox.com void *rqc; 39606d2f89dfSmajd@mellanox.com int inlen; 39616d2f89dfSmajd@mellanox.com int err; 39626d2f89dfSmajd@mellanox.com 39636d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 39646d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 39656d2f89dfSmajd@mellanox.com if (!out) 39666d2f89dfSmajd@mellanox.com return -ENOMEM; 39676d2f89dfSmajd@mellanox.com 39686d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 39696d2f89dfSmajd@mellanox.com if (err) 39706d2f89dfSmajd@mellanox.com goto out; 39716d2f89dfSmajd@mellanox.com 39726d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 39736d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 39746d2f89dfSmajd@mellanox.com rq->state = *rq_state; 39756d2f89dfSmajd@mellanox.com 39766d2f89dfSmajd@mellanox.com out: 39776d2f89dfSmajd@mellanox.com kvfree(out); 39786d2f89dfSmajd@mellanox.com return err; 39796d2f89dfSmajd@mellanox.com } 39806d2f89dfSmajd@mellanox.com 39816d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 39826d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 39836d2f89dfSmajd@mellanox.com { 39846d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 39856d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 39866d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 39876d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 39886d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 39896d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 39906d2f89dfSmajd@mellanox.com }, 39916d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 39926d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 39936d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 39946d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 39956d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 39966d2f89dfSmajd@mellanox.com }, 39976d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 39986d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 39996d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 40006d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 40016d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 40026d2f89dfSmajd@mellanox.com }, 40036d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 40046d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 40056d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 40066d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 40076d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 40086d2f89dfSmajd@mellanox.com }, 40096d2f89dfSmajd@mellanox.com }; 40106d2f89dfSmajd@mellanox.com 40116d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 40126d2f89dfSmajd@mellanox.com 40136d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 40146d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 40156d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 40166d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 40176d2f89dfSmajd@mellanox.com return -EINVAL; 40186d2f89dfSmajd@mellanox.com } 40196d2f89dfSmajd@mellanox.com 40206d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 40216d2f89dfSmajd@mellanox.com *qp_state = qp->state; 40226d2f89dfSmajd@mellanox.com 40236d2f89dfSmajd@mellanox.com return 0; 40246d2f89dfSmajd@mellanox.com } 40256d2f89dfSmajd@mellanox.com 40266d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 40276d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 40286d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 40296d2f89dfSmajd@mellanox.com { 40306d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 40316d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 40326d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 40336d2f89dfSmajd@mellanox.com int err; 40346d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 40356d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 40366d2f89dfSmajd@mellanox.com 40376d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 40386d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 40396d2f89dfSmajd@mellanox.com if (err) 40406d2f89dfSmajd@mellanox.com return err; 40416d2f89dfSmajd@mellanox.com } 40426d2f89dfSmajd@mellanox.com 40436d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 40446d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 40456d2f89dfSmajd@mellanox.com if (err) 40466d2f89dfSmajd@mellanox.com return err; 40476d2f89dfSmajd@mellanox.com } 40486d2f89dfSmajd@mellanox.com 40496d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 40506d2f89dfSmajd@mellanox.com raw_packet_qp_state); 40516d2f89dfSmajd@mellanox.com } 40526d2f89dfSmajd@mellanox.com 40536d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 40546d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 40556d2f89dfSmajd@mellanox.com { 4056e126ba97SEli Cohen struct mlx5_query_qp_mbox_out *outb; 4057e126ba97SEli Cohen struct mlx5_qp_context *context; 4058e126ba97SEli Cohen int mlx5_state; 4059e126ba97SEli Cohen int err = 0; 4060e126ba97SEli Cohen 4061e126ba97SEli Cohen outb = kzalloc(sizeof(*outb), GFP_KERNEL); 40626d2f89dfSmajd@mellanox.com if (!outb) 40636d2f89dfSmajd@mellanox.com return -ENOMEM; 40646d2f89dfSmajd@mellanox.com 4065e126ba97SEli Cohen context = &outb->ctx; 406619098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 406719098df2Smajd@mellanox.com sizeof(*outb)); 4068e126ba97SEli Cohen if (err) 40696d2f89dfSmajd@mellanox.com goto out; 4070e126ba97SEli Cohen 4071e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4072e126ba97SEli Cohen 4073e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4074e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4075e126ba97SEli Cohen qp_attr->path_mig_state = 4076e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4077e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4078e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4079e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4080e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4081e126ba97SEli Cohen qp_attr->qp_access_flags = 4082e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4083e126ba97SEli Cohen 4084e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 4085e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 4086e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4087d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4088d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4089e126ba97SEli Cohen qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; 4090e126ba97SEli Cohen } 4091e126ba97SEli Cohen 4092d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4093e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4094e126ba97SEli Cohen 4095e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4096e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4097e126ba97SEli Cohen 4098e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4099e126ba97SEli Cohen 4100e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4101e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4102e126ba97SEli Cohen qp_attr->min_rnr_timer = 4103e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4104e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4105e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4106e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4107e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 41086d2f89dfSmajd@mellanox.com 41096d2f89dfSmajd@mellanox.com out: 41106d2f89dfSmajd@mellanox.com kfree(outb); 41116d2f89dfSmajd@mellanox.com return err; 41126d2f89dfSmajd@mellanox.com } 41136d2f89dfSmajd@mellanox.com 41146d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 41156d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 41166d2f89dfSmajd@mellanox.com { 41176d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 41186d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 41196d2f89dfSmajd@mellanox.com int err = 0; 41206d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 41216d2f89dfSmajd@mellanox.com 4122d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4123d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4124d16e91daSHaggai Eran qp_init_attr); 4125d16e91daSHaggai Eran 41266d2f89dfSmajd@mellanox.com #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 41276d2f89dfSmajd@mellanox.com /* 41286d2f89dfSmajd@mellanox.com * Wait for any outstanding page faults, in case the user frees memory 41296d2f89dfSmajd@mellanox.com * based upon this query's result. 41306d2f89dfSmajd@mellanox.com */ 41316d2f89dfSmajd@mellanox.com flush_workqueue(mlx5_ib_page_fault_wq); 41326d2f89dfSmajd@mellanox.com #endif 41336d2f89dfSmajd@mellanox.com 41346d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 41356d2f89dfSmajd@mellanox.com 41366d2f89dfSmajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 41376d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 41386d2f89dfSmajd@mellanox.com if (err) 41396d2f89dfSmajd@mellanox.com goto out; 41406d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 41416d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 41426d2f89dfSmajd@mellanox.com } else { 41436d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 41446d2f89dfSmajd@mellanox.com if (err) 41456d2f89dfSmajd@mellanox.com goto out; 41466d2f89dfSmajd@mellanox.com } 41476d2f89dfSmajd@mellanox.com 41486d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4149e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4150e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4151e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4152e126ba97SEli Cohen 4153e126ba97SEli Cohen if (!ibqp->uobject) { 41540540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4155e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 41560540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4157e126ba97SEli Cohen } else { 4158e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4159e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4160e126ba97SEli Cohen } 4161e126ba97SEli Cohen 41620540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 41630540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 41640540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 41650540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 41660540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4167e126ba97SEli Cohen 4168e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4169e126ba97SEli Cohen 4170e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4171e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4172e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4173e126ba97SEli Cohen 4174051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4175051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4176051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4177051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4178051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4179051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4180b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4181b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4182051f2630SLeon Romanovsky 4183e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4184e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4185e126ba97SEli Cohen 4186e126ba97SEli Cohen out: 4187e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4188e126ba97SEli Cohen return err; 4189e126ba97SEli Cohen } 4190e126ba97SEli Cohen 4191e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4192e126ba97SEli Cohen struct ib_ucontext *context, 4193e126ba97SEli Cohen struct ib_udata *udata) 4194e126ba97SEli Cohen { 4195e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4196e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4197e126ba97SEli Cohen int err; 4198e126ba97SEli Cohen 4199938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4200e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4201e126ba97SEli Cohen 4202e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4203e126ba97SEli Cohen if (!xrcd) 4204e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4205e126ba97SEli Cohen 42069603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4207e126ba97SEli Cohen if (err) { 4208e126ba97SEli Cohen kfree(xrcd); 4209e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4210e126ba97SEli Cohen } 4211e126ba97SEli Cohen 4212e126ba97SEli Cohen return &xrcd->ibxrcd; 4213e126ba97SEli Cohen } 4214e126ba97SEli Cohen 4215e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4216e126ba97SEli Cohen { 4217e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4218e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4219e126ba97SEli Cohen int err; 4220e126ba97SEli Cohen 42219603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4222e126ba97SEli Cohen if (err) { 4223e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4224e126ba97SEli Cohen return err; 4225e126ba97SEli Cohen } 4226e126ba97SEli Cohen 4227e126ba97SEli Cohen kfree(xrcd); 4228e126ba97SEli Cohen 4229e126ba97SEli Cohen return 0; 4230e126ba97SEli Cohen } 423179b20a6cSYishai Hadas 423279b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 423379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 423479b20a6cSYishai Hadas { 423579b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 423679b20a6cSYishai Hadas __be64 *rq_pas0; 423779b20a6cSYishai Hadas void *in; 423879b20a6cSYishai Hadas void *rqc; 423979b20a6cSYishai Hadas void *wq; 424079b20a6cSYishai Hadas int inlen; 424179b20a6cSYishai Hadas int err; 424279b20a6cSYishai Hadas 424379b20a6cSYishai Hadas dev = to_mdev(pd->device); 424479b20a6cSYishai Hadas 424579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 424679b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 424779b20a6cSYishai Hadas if (!in) 424879b20a6cSYishai Hadas return -ENOMEM; 424979b20a6cSYishai Hadas 425079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 425179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 425279b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 425379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 425479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 425579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 425679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 425779b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 425879b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 425979b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 426079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 426179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 426279b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 426379b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 426479b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 426579b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 426679b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 426779b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 426879b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 426979b20a6cSYishai Hadas err = mlx5_core_create_rq(dev->mdev, in, inlen, &rwq->rqn); 427079b20a6cSYishai Hadas kvfree(in); 427179b20a6cSYishai Hadas return err; 427279b20a6cSYishai Hadas } 427379b20a6cSYishai Hadas 427479b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 427579b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 427679b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 427779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 427879b20a6cSYishai Hadas { 427979b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 428079b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 428179b20a6cSYishai Hadas return -EINVAL; 428279b20a6cSYishai Hadas 428379b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 428479b20a6cSYishai Hadas return -EINVAL; 428579b20a6cSYishai Hadas 428679b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 428779b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 428879b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 428979b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 429079b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 429179b20a6cSYishai Hadas return 0; 429279b20a6cSYishai Hadas } 429379b20a6cSYishai Hadas 429479b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 429579b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 429679b20a6cSYishai Hadas struct ib_udata *udata, 429779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 429879b20a6cSYishai Hadas { 429979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 430079b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 430179b20a6cSYishai Hadas int err; 430279b20a6cSYishai Hadas size_t required_cmd_sz; 430379b20a6cSYishai Hadas 430479b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 430579b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 430679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 430779b20a6cSYishai Hadas return -EINVAL; 430879b20a6cSYishai Hadas } 430979b20a6cSYishai Hadas 431079b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 431179b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 431279b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 431379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 431479b20a6cSYishai Hadas return -EOPNOTSUPP; 431579b20a6cSYishai Hadas } 431679b20a6cSYishai Hadas 431779b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 431879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 431979b20a6cSYishai Hadas return -EFAULT; 432079b20a6cSYishai Hadas } 432179b20a6cSYishai Hadas 432279b20a6cSYishai Hadas if (ucmd.comp_mask) { 432379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 432479b20a6cSYishai Hadas return -EOPNOTSUPP; 432579b20a6cSYishai Hadas } 432679b20a6cSYishai Hadas 432779b20a6cSYishai Hadas if (ucmd.reserved) { 432879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 432979b20a6cSYishai Hadas return -EOPNOTSUPP; 433079b20a6cSYishai Hadas } 433179b20a6cSYishai Hadas 433279b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 433379b20a6cSYishai Hadas if (err) { 433479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 433579b20a6cSYishai Hadas return err; 433679b20a6cSYishai Hadas } 433779b20a6cSYishai Hadas 433879b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 433979b20a6cSYishai Hadas if (err) { 434079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 434179b20a6cSYishai Hadas if (err) 434279b20a6cSYishai Hadas return err; 434379b20a6cSYishai Hadas } 434479b20a6cSYishai Hadas 434579b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 434679b20a6cSYishai Hadas return 0; 434779b20a6cSYishai Hadas } 434879b20a6cSYishai Hadas 434979b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 435079b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 435179b20a6cSYishai Hadas struct ib_udata *udata) 435279b20a6cSYishai Hadas { 435379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 435479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 435579b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 435679b20a6cSYishai Hadas size_t min_resp_len; 435779b20a6cSYishai Hadas int err; 435879b20a6cSYishai Hadas 435979b20a6cSYishai Hadas if (!udata) 436079b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 436179b20a6cSYishai Hadas 436279b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 436379b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 436479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 436579b20a6cSYishai Hadas 436679b20a6cSYishai Hadas dev = to_mdev(pd->device); 436779b20a6cSYishai Hadas switch (init_attr->wq_type) { 436879b20a6cSYishai Hadas case IB_WQT_RQ: 436979b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 437079b20a6cSYishai Hadas if (!rwq) 437179b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 437279b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 437379b20a6cSYishai Hadas if (err) 437479b20a6cSYishai Hadas goto err; 437579b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 437679b20a6cSYishai Hadas if (err) 437779b20a6cSYishai Hadas goto err_user_rq; 437879b20a6cSYishai Hadas break; 437979b20a6cSYishai Hadas default: 438079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 438179b20a6cSYishai Hadas init_attr->wq_type); 438279b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 438379b20a6cSYishai Hadas } 438479b20a6cSYishai Hadas 438579b20a6cSYishai Hadas rwq->ibwq.wq_num = rwq->rqn; 438679b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 438779b20a6cSYishai Hadas if (udata->outlen) { 438879b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 438979b20a6cSYishai Hadas sizeof(resp.response_length); 439079b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 439179b20a6cSYishai Hadas if (err) 439279b20a6cSYishai Hadas goto err_copy; 439379b20a6cSYishai Hadas } 439479b20a6cSYishai Hadas 439579b20a6cSYishai Hadas return &rwq->ibwq; 439679b20a6cSYishai Hadas 439779b20a6cSYishai Hadas err_copy: 439879b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 439979b20a6cSYishai Hadas err_user_rq: 440079b20a6cSYishai Hadas destroy_user_rq(pd, rwq); 440179b20a6cSYishai Hadas err: 440279b20a6cSYishai Hadas kfree(rwq); 440379b20a6cSYishai Hadas return ERR_PTR(err); 440479b20a6cSYishai Hadas } 440579b20a6cSYishai Hadas 440679b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 440779b20a6cSYishai Hadas { 440879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 440979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 441079b20a6cSYishai Hadas 441179b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 441279b20a6cSYishai Hadas destroy_user_rq(wq->pd, rwq); 441379b20a6cSYishai Hadas kfree(rwq); 441479b20a6cSYishai Hadas 441579b20a6cSYishai Hadas return 0; 441679b20a6cSYishai Hadas } 441779b20a6cSYishai Hadas 4418c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4419c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4420c5f90929SYishai Hadas struct ib_udata *udata) 4421c5f90929SYishai Hadas { 4422c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 4423c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 4424c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 4425c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 4426c5f90929SYishai Hadas size_t min_resp_len; 4427c5f90929SYishai Hadas int inlen; 4428c5f90929SYishai Hadas int err; 4429c5f90929SYishai Hadas int i; 4430c5f90929SYishai Hadas u32 *in; 4431c5f90929SYishai Hadas void *rqtc; 4432c5f90929SYishai Hadas 4433c5f90929SYishai Hadas if (udata->inlen > 0 && 4434c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 4435c5f90929SYishai Hadas udata->inlen)) 4436c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 4437c5f90929SYishai Hadas 4438c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 4439c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 4440c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 4441c5f90929SYishai Hadas 4442c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 4443c5f90929SYishai Hadas if (!rwq_ind_tbl) 4444c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 4445c5f90929SYishai Hadas 4446c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4447c5f90929SYishai Hadas in = mlx5_vzalloc(inlen); 4448c5f90929SYishai Hadas if (!in) { 4449c5f90929SYishai Hadas err = -ENOMEM; 4450c5f90929SYishai Hadas goto err; 4451c5f90929SYishai Hadas } 4452c5f90929SYishai Hadas 4453c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4454c5f90929SYishai Hadas 4455c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4456c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4457c5f90929SYishai Hadas 4458c5f90929SYishai Hadas for (i = 0; i < sz; i++) 4459c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 4460c5f90929SYishai Hadas 4461c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 4462c5f90929SYishai Hadas kvfree(in); 4463c5f90929SYishai Hadas 4464c5f90929SYishai Hadas if (err) 4465c5f90929SYishai Hadas goto err; 4466c5f90929SYishai Hadas 4467c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 4468c5f90929SYishai Hadas if (udata->outlen) { 4469c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 4470c5f90929SYishai Hadas sizeof(resp.response_length); 4471c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 4472c5f90929SYishai Hadas if (err) 4473c5f90929SYishai Hadas goto err_copy; 4474c5f90929SYishai Hadas } 4475c5f90929SYishai Hadas 4476c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 4477c5f90929SYishai Hadas 4478c5f90929SYishai Hadas err_copy: 4479c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4480c5f90929SYishai Hadas err: 4481c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4482c5f90929SYishai Hadas return ERR_PTR(err); 4483c5f90929SYishai Hadas } 4484c5f90929SYishai Hadas 4485c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 4486c5f90929SYishai Hadas { 4487c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 4488c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 4489c5f90929SYishai Hadas 4490c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4491c5f90929SYishai Hadas 4492c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4493c5f90929SYishai Hadas return 0; 4494c5f90929SYishai Hadas } 4495c5f90929SYishai Hadas 449679b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 449779b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 449879b20a6cSYishai Hadas { 449979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 450079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 450179b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 450279b20a6cSYishai Hadas size_t required_cmd_sz; 450379b20a6cSYishai Hadas int curr_wq_state; 450479b20a6cSYishai Hadas int wq_state; 450579b20a6cSYishai Hadas int inlen; 450679b20a6cSYishai Hadas int err; 450779b20a6cSYishai Hadas void *rqc; 450879b20a6cSYishai Hadas void *in; 450979b20a6cSYishai Hadas 451079b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 451179b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 451279b20a6cSYishai Hadas return -EINVAL; 451379b20a6cSYishai Hadas 451479b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 451579b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 451679b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 451779b20a6cSYishai Hadas return -EOPNOTSUPP; 451879b20a6cSYishai Hadas 451979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 452079b20a6cSYishai Hadas return -EFAULT; 452179b20a6cSYishai Hadas 452279b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 452379b20a6cSYishai Hadas return -EOPNOTSUPP; 452479b20a6cSYishai Hadas 452579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 452679b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 452779b20a6cSYishai Hadas if (!in) 452879b20a6cSYishai Hadas return -ENOMEM; 452979b20a6cSYishai Hadas 453079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 453179b20a6cSYishai Hadas 453279b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 453379b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 453479b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 453579b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 453679b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 453779b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 453879b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 453979b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 454079b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 454179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 454279b20a6cSYishai Hadas 454379b20a6cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->rqn, in, inlen); 454479b20a6cSYishai Hadas kvfree(in); 454579b20a6cSYishai Hadas if (!err) 454679b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 454779b20a6cSYishai Hadas 454879b20a6cSYishai Hadas return err; 454979b20a6cSYishai Hadas } 4550