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, 61e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 62e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 63e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 64e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 65e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 66e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 67e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 68e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 698a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 70e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 71e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 72e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 73e126ba97SEli Cohen }; 74e126ba97SEli Cohen 75e126ba97SEli Cohen 76e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 77e126ba97SEli Cohen { 78e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 79e126ba97SEli Cohen } 80e126ba97SEli Cohen 81e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 82e126ba97SEli Cohen { 83e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 84e126ba97SEli Cohen } 85e126ba97SEli Cohen 86e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 87e126ba97SEli Cohen { 88e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 89e126ba97SEli Cohen } 90e126ba97SEli Cohen 91e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 92e126ba97SEli Cohen { 93e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 94e126ba97SEli Cohen } 95e126ba97SEli Cohen 96e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 97e126ba97SEli Cohen { 98e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 99e126ba97SEli Cohen } 100e126ba97SEli Cohen 101c1395a2aSHaggai Eran /** 102c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 103c1395a2aSHaggai Eran * 104c1395a2aSHaggai Eran * @qp: QP to copy from. 105c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 106c1395a2aSHaggai Eran * otherwise. 107c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 108c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 109c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 110c1395a2aSHaggai Eran * element in the queue. 111c1395a2aSHaggai Eran * @buffer: destination buffer. 112c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 113c1395a2aSHaggai Eran * 114c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 115c1395a2aSHaggai Eran * 116c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 117c1395a2aSHaggai Eran */ 118c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 11919098df2Smajd@mellanox.com void *buffer, u32 length, 12019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 121c1395a2aSHaggai Eran { 122c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 123c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 124c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 125c1395a2aSHaggai Eran size_t offset; 126c1395a2aSHaggai Eran size_t wq_end; 12719098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 128c1395a2aSHaggai Eran u32 first_copy_length; 129c1395a2aSHaggai Eran int wqe_length; 130c1395a2aSHaggai Eran int ret; 131c1395a2aSHaggai Eran 132c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 133c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 134c1395a2aSHaggai Eran qp->ibqp.qp_type); 135c1395a2aSHaggai Eran return -EINVAL; 136c1395a2aSHaggai Eran } 137c1395a2aSHaggai Eran 138c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 139c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 140c1395a2aSHaggai Eran 141c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 142c1395a2aSHaggai Eran return -EINVAL; 143c1395a2aSHaggai Eran 144c1395a2aSHaggai Eran if (offset > umem->length || 145c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 146c1395a2aSHaggai Eran return -EINVAL; 147c1395a2aSHaggai Eran 148c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 149c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 150c1395a2aSHaggai Eran if (ret) 151c1395a2aSHaggai Eran return ret; 152c1395a2aSHaggai Eran 153c1395a2aSHaggai Eran if (send) { 154c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 155c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 156c1395a2aSHaggai Eran 157c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 158c1395a2aSHaggai Eran } else { 159c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 160c1395a2aSHaggai Eran } 161c1395a2aSHaggai Eran 162c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 163c1395a2aSHaggai Eran return first_copy_length; 164c1395a2aSHaggai Eran 165c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 166c1395a2aSHaggai Eran wqe_length - first_copy_length); 167c1395a2aSHaggai Eran if (ret) 168c1395a2aSHaggai Eran return ret; 169c1395a2aSHaggai Eran 170c1395a2aSHaggai Eran return wqe_length; 171c1395a2aSHaggai Eran } 172c1395a2aSHaggai Eran 173e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 174e126ba97SEli Cohen { 175e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 176e126ba97SEli Cohen struct ib_event event; 177e126ba97SEli Cohen 17819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 17919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 18019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 18119098df2Smajd@mellanox.com } 182e126ba97SEli Cohen 183e126ba97SEli Cohen if (ibqp->event_handler) { 184e126ba97SEli Cohen event.device = ibqp->device; 185e126ba97SEli Cohen event.element.qp = ibqp; 186e126ba97SEli Cohen switch (type) { 187e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 188e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 189e126ba97SEli Cohen break; 190e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 191e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 192e126ba97SEli Cohen break; 193e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 194e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 195e126ba97SEli Cohen break; 196e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 197e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 198e126ba97SEli Cohen break; 199e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 200e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 201e126ba97SEli Cohen break; 202e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 203e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 204e126ba97SEli Cohen break; 205e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 206e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 207e126ba97SEli Cohen break; 208e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 209e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 210e126ba97SEli Cohen break; 211e126ba97SEli Cohen default: 212e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 213e126ba97SEli Cohen return; 214e126ba97SEli Cohen } 215e126ba97SEli Cohen 216e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 217e126ba97SEli Cohen } 218e126ba97SEli Cohen } 219e126ba97SEli Cohen 220e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 221e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 222e126ba97SEli Cohen { 223e126ba97SEli Cohen int wqe_size; 224e126ba97SEli Cohen int wq_size; 225e126ba97SEli Cohen 226e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 227938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 228e126ba97SEli Cohen return -EINVAL; 229e126ba97SEli Cohen 230e126ba97SEli Cohen if (!has_rq) { 231e126ba97SEli Cohen qp->rq.max_gs = 0; 232e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 233e126ba97SEli Cohen qp->rq.wqe_shift = 0; 234e126ba97SEli Cohen } else { 235e126ba97SEli Cohen if (ucmd) { 236e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 237e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 238e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 239e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 240e126ba97SEli Cohen } else { 241e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 242e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 243e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 244e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 245e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 246e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 247938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 248e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 249e126ba97SEli Cohen wqe_size, 250938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 251938fe83cSSaeed Mahameed max_wqe_sz_rq)); 252e126ba97SEli Cohen return -EINVAL; 253e126ba97SEli Cohen } 254e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 255e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 256e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 257e126ba97SEli Cohen } 258e126ba97SEli Cohen } 259e126ba97SEli Cohen 260e126ba97SEli Cohen return 0; 261e126ba97SEli Cohen } 262e126ba97SEli Cohen 263e126ba97SEli Cohen static int sq_overhead(enum ib_qp_type qp_type) 264e126ba97SEli Cohen { 265618af384SAndi Shyti int size = 0; 266e126ba97SEli Cohen 267e126ba97SEli Cohen switch (qp_type) { 268e126ba97SEli Cohen case IB_QPT_XRC_INI: 269b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 270e126ba97SEli Cohen /* fall through */ 271e126ba97SEli Cohen case IB_QPT_RC: 272e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 27375c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 27475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 27575c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 27675c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 277e126ba97SEli Cohen break; 278e126ba97SEli Cohen 279b125a54bSEli Cohen case IB_QPT_XRC_TGT: 280b125a54bSEli Cohen return 0; 281b125a54bSEli Cohen 282e126ba97SEli Cohen case IB_QPT_UC: 283b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 28475c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 2859e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 28675c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 287e126ba97SEli Cohen break; 288e126ba97SEli Cohen 289e126ba97SEli Cohen case IB_QPT_UD: 290e126ba97SEli Cohen case IB_QPT_SMI: 291e126ba97SEli Cohen case IB_QPT_GSI: 292b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 293e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 294e126ba97SEli Cohen break; 295e126ba97SEli Cohen 296e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 297b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 298e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 299e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 300e126ba97SEli Cohen break; 301e126ba97SEli Cohen 302e126ba97SEli Cohen default: 303e126ba97SEli Cohen return -EINVAL; 304e126ba97SEli Cohen } 305e126ba97SEli Cohen 306e126ba97SEli Cohen return size; 307e126ba97SEli Cohen } 308e126ba97SEli Cohen 309e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 310e126ba97SEli Cohen { 311e126ba97SEli Cohen int inl_size = 0; 312e126ba97SEli Cohen int size; 313e126ba97SEli Cohen 314e126ba97SEli Cohen size = sq_overhead(attr->qp_type); 315e126ba97SEli Cohen if (size < 0) 316e126ba97SEli Cohen return size; 317e126ba97SEli Cohen 318e126ba97SEli Cohen if (attr->cap.max_inline_data) { 319e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 320e126ba97SEli Cohen attr->cap.max_inline_data; 321e126ba97SEli Cohen } 322e126ba97SEli Cohen 323e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 324e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 325e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 326e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 327e1e66cc2SSagi Grimberg else 328e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 329e126ba97SEli Cohen } 330e126ba97SEli Cohen 331e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 332e126ba97SEli Cohen struct mlx5_ib_qp *qp) 333e126ba97SEli Cohen { 334e126ba97SEli Cohen int wqe_size; 335e126ba97SEli Cohen int wq_size; 336e126ba97SEli Cohen 337e126ba97SEli Cohen if (!attr->cap.max_send_wr) 338e126ba97SEli Cohen return 0; 339e126ba97SEli Cohen 340e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 341e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 342e126ba97SEli Cohen if (wqe_size < 0) 343e126ba97SEli Cohen return wqe_size; 344e126ba97SEli Cohen 345938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 346b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 347938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 348e126ba97SEli Cohen return -EINVAL; 349e126ba97SEli Cohen } 350e126ba97SEli Cohen 351e126ba97SEli Cohen qp->max_inline_data = wqe_size - sq_overhead(attr->qp_type) - 352e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 353e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 354e126ba97SEli Cohen 355e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 356e1e66cc2SSagi Grimberg qp->signature_en = true; 357e1e66cc2SSagi Grimberg 358e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 359e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 360938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 361b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n", 362938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 363938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 364b125a54bSEli Cohen return -ENOMEM; 365b125a54bSEli Cohen } 366e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 367e126ba97SEli Cohen qp->sq.max_gs = attr->cap.max_send_sge; 368b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 369b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 370e126ba97SEli Cohen 371e126ba97SEli Cohen return wq_size; 372e126ba97SEli Cohen } 373e126ba97SEli Cohen 374e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 375e126ba97SEli Cohen struct mlx5_ib_qp *qp, 37619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 3770fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 3780fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 379e126ba97SEli Cohen { 380e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 381e126ba97SEli Cohen 382938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 383e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 384938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 385e126ba97SEli Cohen return -EINVAL; 386e126ba97SEli Cohen } 387e126ba97SEli Cohen 388e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 389e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 390e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 391e126ba97SEli Cohen return -EINVAL; 392e126ba97SEli Cohen } 393e126ba97SEli Cohen 394e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 395e126ba97SEli Cohen 396938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 397e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 398938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 399938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 400e126ba97SEli Cohen return -EINVAL; 401e126ba97SEli Cohen } 402e126ba97SEli Cohen 4030fb2ed66Smajd@mellanox.com if (attr->qp_type == IB_QPT_RAW_PACKET) { 4040fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4050fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4060fb2ed66Smajd@mellanox.com } else { 40719098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 408e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4090fb2ed66Smajd@mellanox.com } 410e126ba97SEli Cohen 411e126ba97SEli Cohen return 0; 412e126ba97SEli Cohen } 413e126ba97SEli Cohen 414e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 415e126ba97SEli Cohen { 416e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 417e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 418e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 419e126ba97SEli Cohen !attr->cap.max_recv_wr) 420e126ba97SEli Cohen return 0; 421e126ba97SEli Cohen 422e126ba97SEli Cohen return 1; 423e126ba97SEli Cohen } 424e126ba97SEli Cohen 425c1be5232SEli Cohen static int first_med_uuar(void) 426c1be5232SEli Cohen { 427c1be5232SEli Cohen return 1; 428c1be5232SEli Cohen } 429c1be5232SEli Cohen 430c1be5232SEli Cohen static int next_uuar(int n) 431c1be5232SEli Cohen { 432c1be5232SEli Cohen n++; 433c1be5232SEli Cohen 434c1be5232SEli Cohen while (((n % 4) & 2)) 435c1be5232SEli Cohen n++; 436c1be5232SEli Cohen 437c1be5232SEli Cohen return n; 438c1be5232SEli Cohen } 439c1be5232SEli Cohen 440c1be5232SEli Cohen static int num_med_uuar(struct mlx5_uuar_info *uuari) 441c1be5232SEli Cohen { 442c1be5232SEli Cohen int n; 443c1be5232SEli Cohen 444c1be5232SEli Cohen n = uuari->num_uars * MLX5_NON_FP_BF_REGS_PER_PAGE - 445c1be5232SEli Cohen uuari->num_low_latency_uuars - 1; 446c1be5232SEli Cohen 447c1be5232SEli Cohen return n >= 0 ? n : 0; 448c1be5232SEli Cohen } 449c1be5232SEli Cohen 450c1be5232SEli Cohen static int max_uuari(struct mlx5_uuar_info *uuari) 451c1be5232SEli Cohen { 452c1be5232SEli Cohen return uuari->num_uars * 4; 453c1be5232SEli Cohen } 454c1be5232SEli Cohen 455c1be5232SEli Cohen static int first_hi_uuar(struct mlx5_uuar_info *uuari) 456c1be5232SEli Cohen { 457c1be5232SEli Cohen int med; 458c1be5232SEli Cohen int i; 459c1be5232SEli Cohen int t; 460c1be5232SEli Cohen 461c1be5232SEli Cohen med = num_med_uuar(uuari); 462c1be5232SEli Cohen for (t = 0, i = first_med_uuar();; i = next_uuar(i)) { 463c1be5232SEli Cohen t++; 464c1be5232SEli Cohen if (t == med) 465c1be5232SEli Cohen return next_uuar(i); 466c1be5232SEli Cohen } 467c1be5232SEli Cohen 468c1be5232SEli Cohen return 0; 469c1be5232SEli Cohen } 470c1be5232SEli Cohen 471e126ba97SEli Cohen static int alloc_high_class_uuar(struct mlx5_uuar_info *uuari) 472e126ba97SEli Cohen { 473e126ba97SEli Cohen int i; 474e126ba97SEli Cohen 475c1be5232SEli Cohen for (i = first_hi_uuar(uuari); i < max_uuari(uuari); i = next_uuar(i)) { 476e126ba97SEli Cohen if (!test_bit(i, uuari->bitmap)) { 477e126ba97SEli Cohen set_bit(i, uuari->bitmap); 478e126ba97SEli Cohen uuari->count[i]++; 479e126ba97SEli Cohen return i; 480e126ba97SEli Cohen } 481e126ba97SEli Cohen } 482e126ba97SEli Cohen 483e126ba97SEli Cohen return -ENOMEM; 484e126ba97SEli Cohen } 485e126ba97SEli Cohen 486e126ba97SEli Cohen static int alloc_med_class_uuar(struct mlx5_uuar_info *uuari) 487e126ba97SEli Cohen { 488c1be5232SEli Cohen int minidx = first_med_uuar(); 489e126ba97SEli Cohen int i; 490e126ba97SEli Cohen 491c1be5232SEli Cohen for (i = first_med_uuar(); i < first_hi_uuar(uuari); i = next_uuar(i)) { 492e126ba97SEli Cohen if (uuari->count[i] < uuari->count[minidx]) 493e126ba97SEli Cohen minidx = i; 494e126ba97SEli Cohen } 495e126ba97SEli Cohen 496e126ba97SEli Cohen uuari->count[minidx]++; 497e126ba97SEli Cohen return minidx; 498e126ba97SEli Cohen } 499e126ba97SEli Cohen 500e126ba97SEli Cohen static int alloc_uuar(struct mlx5_uuar_info *uuari, 501e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 502e126ba97SEli Cohen { 503e126ba97SEli Cohen int uuarn = -EINVAL; 504e126ba97SEli Cohen 505e126ba97SEli Cohen mutex_lock(&uuari->lock); 506e126ba97SEli Cohen switch (lat) { 507e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 508e126ba97SEli Cohen uuarn = 0; 509e126ba97SEli Cohen uuari->count[uuarn]++; 510e126ba97SEli Cohen break; 511e126ba97SEli Cohen 512e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 51378c0f98cSEli Cohen if (uuari->ver < 2) 51478c0f98cSEli Cohen uuarn = -ENOMEM; 51578c0f98cSEli Cohen else 516e126ba97SEli Cohen uuarn = alloc_med_class_uuar(uuari); 517e126ba97SEli Cohen break; 518e126ba97SEli Cohen 519e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 52078c0f98cSEli Cohen if (uuari->ver < 2) 52178c0f98cSEli Cohen uuarn = -ENOMEM; 52278c0f98cSEli Cohen else 523e126ba97SEli Cohen uuarn = alloc_high_class_uuar(uuari); 524e126ba97SEli Cohen break; 525e126ba97SEli Cohen 526e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_FAST_PATH: 527e126ba97SEli Cohen uuarn = 2; 528e126ba97SEli Cohen break; 529e126ba97SEli Cohen } 530e126ba97SEli Cohen mutex_unlock(&uuari->lock); 531e126ba97SEli Cohen 532e126ba97SEli Cohen return uuarn; 533e126ba97SEli Cohen } 534e126ba97SEli Cohen 535e126ba97SEli Cohen static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 536e126ba97SEli Cohen { 537e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 538e126ba97SEli Cohen --uuari->count[uuarn]; 539e126ba97SEli Cohen } 540e126ba97SEli Cohen 541e126ba97SEli Cohen static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 542e126ba97SEli Cohen { 543e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 544e126ba97SEli Cohen --uuari->count[uuarn]; 545e126ba97SEli Cohen } 546e126ba97SEli Cohen 547e126ba97SEli Cohen static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn) 548e126ba97SEli Cohen { 549e126ba97SEli Cohen int nuuars = uuari->num_uars * MLX5_BF_REGS_PER_PAGE; 550e126ba97SEli Cohen int high_uuar = nuuars - uuari->num_low_latency_uuars; 551e126ba97SEli Cohen 552e126ba97SEli Cohen mutex_lock(&uuari->lock); 553e126ba97SEli Cohen if (uuarn == 0) { 554e126ba97SEli Cohen --uuari->count[uuarn]; 555e126ba97SEli Cohen goto out; 556e126ba97SEli Cohen } 557e126ba97SEli Cohen 558e126ba97SEli Cohen if (uuarn < high_uuar) { 559e126ba97SEli Cohen free_med_class_uuar(uuari, uuarn); 560e126ba97SEli Cohen goto out; 561e126ba97SEli Cohen } 562e126ba97SEli Cohen 563e126ba97SEli Cohen free_high_class_uuar(uuari, uuarn); 564e126ba97SEli Cohen 565e126ba97SEli Cohen out: 566e126ba97SEli Cohen mutex_unlock(&uuari->lock); 567e126ba97SEli Cohen } 568e126ba97SEli Cohen 569e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 570e126ba97SEli Cohen { 571e126ba97SEli Cohen switch (state) { 572e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 573e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 574e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 575e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 576e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 577e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 578e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 579e126ba97SEli Cohen default: return -1; 580e126ba97SEli Cohen } 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 584e126ba97SEli Cohen { 585e126ba97SEli Cohen switch (type) { 586e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 587e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 588e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 589e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 590e126ba97SEli Cohen case IB_QPT_XRC_INI: 591e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 592e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 593e126ba97SEli Cohen case IB_QPT_GSI: return MLX5_QP_ST_QP1; 594e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 595e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 5960fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 597e126ba97SEli Cohen case IB_QPT_MAX: 598e126ba97SEli Cohen default: return -EINVAL; 599e126ba97SEli Cohen } 600e126ba97SEli Cohen } 601e126ba97SEli Cohen 602e126ba97SEli Cohen static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn) 603e126ba97SEli Cohen { 604e126ba97SEli Cohen return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index; 605e126ba97SEli Cohen } 606e126ba97SEli Cohen 60719098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 60819098df2Smajd@mellanox.com struct ib_pd *pd, 60919098df2Smajd@mellanox.com unsigned long addr, size_t size, 61019098df2Smajd@mellanox.com struct ib_umem **umem, 61119098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 61219098df2Smajd@mellanox.com u32 *offset) 61319098df2Smajd@mellanox.com { 61419098df2Smajd@mellanox.com int err; 61519098df2Smajd@mellanox.com 61619098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 61719098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 61819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 61919098df2Smajd@mellanox.com return PTR_ERR(*umem); 62019098df2Smajd@mellanox.com } 62119098df2Smajd@mellanox.com 62219098df2Smajd@mellanox.com mlx5_ib_cont_pages(*umem, addr, npages, page_shift, ncont, NULL); 62319098df2Smajd@mellanox.com 62419098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 62519098df2Smajd@mellanox.com if (err) { 62619098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 62719098df2Smajd@mellanox.com goto err_umem; 62819098df2Smajd@mellanox.com } 62919098df2Smajd@mellanox.com 63019098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 63119098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 63219098df2Smajd@mellanox.com 63319098df2Smajd@mellanox.com return 0; 63419098df2Smajd@mellanox.com 63519098df2Smajd@mellanox.com err_umem: 63619098df2Smajd@mellanox.com ib_umem_release(*umem); 63719098df2Smajd@mellanox.com *umem = NULL; 63819098df2Smajd@mellanox.com 63919098df2Smajd@mellanox.com return err; 64019098df2Smajd@mellanox.com } 64119098df2Smajd@mellanox.com 642e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 643e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 6440fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 645e126ba97SEli Cohen struct mlx5_create_qp_mbox_in **in, 64619098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 64719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 648e126ba97SEli Cohen { 649e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 650e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 65119098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 6529e9c47d0SEli Cohen int page_shift = 0; 653e126ba97SEli Cohen int uar_index; 654e126ba97SEli Cohen int npages; 6559e9c47d0SEli Cohen u32 offset = 0; 656e126ba97SEli Cohen int uuarn; 6579e9c47d0SEli Cohen int ncont = 0; 658e126ba97SEli Cohen int err; 659e126ba97SEli Cohen 660e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 661e126ba97SEli Cohen if (err) { 662e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 663e126ba97SEli Cohen return err; 664e126ba97SEli Cohen } 665e126ba97SEli Cohen 666e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 667e126ba97SEli Cohen /* 668e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 669e126ba97SEli Cohen */ 670051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 671051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 672051f2630SLeon Romanovsky uuarn = MLX5_CROSS_CHANNEL_UUAR; 673051f2630SLeon Romanovsky else { 674e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH); 675e126ba97SEli Cohen if (uuarn < 0) { 676e126ba97SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency UUAR\n"); 677c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 678c1be5232SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM); 679c1be5232SEli Cohen if (uuarn < 0) { 680c1be5232SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency UUAR\n"); 681e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 682e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW); 683e126ba97SEli Cohen if (uuarn < 0) { 684c1be5232SEli Cohen mlx5_ib_warn(dev, "uuar allocation failed\n"); 685e126ba97SEli Cohen return uuarn; 686e126ba97SEli Cohen } 687e126ba97SEli Cohen } 688c1be5232SEli Cohen } 689051f2630SLeon Romanovsky } 690e126ba97SEli Cohen 691e126ba97SEli Cohen uar_index = uuarn_to_uar_index(&context->uuari, uuarn); 692e126ba97SEli Cohen mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); 693e126ba97SEli Cohen 69448fea837SHaggai Eran qp->rq.offset = 0; 69548fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 69648fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 69748fea837SHaggai Eran 6980fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 699e126ba97SEli Cohen if (err) 700e126ba97SEli Cohen goto err_uuar; 701e126ba97SEli Cohen 70219098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 70319098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 70419098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 70519098df2Smajd@mellanox.com ubuffer->buf_size, 70619098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 70719098df2Smajd@mellanox.com &ncont, &offset); 70819098df2Smajd@mellanox.com if (err) 709e126ba97SEli Cohen goto err_uuar; 7109e9c47d0SEli Cohen } else { 71119098df2Smajd@mellanox.com ubuffer->umem = NULL; 7129e9c47d0SEli Cohen } 713e126ba97SEli Cohen 714e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * ncont; 715e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 716e126ba97SEli Cohen if (!*in) { 717e126ba97SEli Cohen err = -ENOMEM; 718e126ba97SEli Cohen goto err_umem; 719e126ba97SEli Cohen } 72019098df2Smajd@mellanox.com if (ubuffer->umem) 72119098df2Smajd@mellanox.com mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, 72219098df2Smajd@mellanox.com (*in)->pas, 0); 723e126ba97SEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 7241b77d2bdSEli Cohen cpu_to_be32((page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 725e126ba97SEli Cohen (*in)->ctx.params2 = cpu_to_be32(offset << 6); 726e126ba97SEli Cohen 727e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 728e126ba97SEli Cohen resp->uuar_index = uuarn; 729e126ba97SEli Cohen qp->uuarn = uuarn; 730e126ba97SEli Cohen 731e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 732e126ba97SEli Cohen if (err) { 733e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 734e126ba97SEli Cohen goto err_free; 735e126ba97SEli Cohen } 736e126ba97SEli Cohen 737e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 738e126ba97SEli Cohen if (err) { 739e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 740e126ba97SEli Cohen goto err_unmap; 741e126ba97SEli Cohen } 742e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 743e126ba97SEli Cohen 744e126ba97SEli Cohen return 0; 745e126ba97SEli Cohen 746e126ba97SEli Cohen err_unmap: 747e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 748e126ba97SEli Cohen 749e126ba97SEli Cohen err_free: 750479163f4SAl Viro kvfree(*in); 751e126ba97SEli Cohen 752e126ba97SEli Cohen err_umem: 75319098df2Smajd@mellanox.com if (ubuffer->umem) 75419098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 755e126ba97SEli Cohen 756e126ba97SEli Cohen err_uuar: 757e126ba97SEli Cohen free_uuar(&context->uuari, uuarn); 758e126ba97SEli Cohen return err; 759e126ba97SEli Cohen } 760e126ba97SEli Cohen 76119098df2Smajd@mellanox.com static void destroy_qp_user(struct ib_pd *pd, struct mlx5_ib_qp *qp, 76219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 763e126ba97SEli Cohen { 764e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 765e126ba97SEli Cohen 766e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 767e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 76819098df2Smajd@mellanox.com if (base->ubuffer.umem) 76919098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 770e126ba97SEli Cohen free_uuar(&context->uuari, qp->uuarn); 771e126ba97SEli Cohen } 772e126ba97SEli Cohen 773e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 774e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 775e126ba97SEli Cohen struct mlx5_ib_qp *qp, 77619098df2Smajd@mellanox.com struct mlx5_create_qp_mbox_in **in, int *inlen, 77719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 778e126ba97SEli Cohen { 779e126ba97SEli Cohen enum mlx5_ib_latency_class lc = MLX5_IB_LATENCY_CLASS_LOW; 780e126ba97SEli Cohen struct mlx5_uuar_info *uuari; 781e126ba97SEli Cohen int uar_index; 782e126ba97SEli Cohen int uuarn; 783e126ba97SEli Cohen int err; 784e126ba97SEli Cohen 7859603b61dSJack Morgenstein uuari = &dev->mdev->priv.uuari; 786652c1a05SOr Gerlitz if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)) 7871a4c3a3dSEli Cohen return -EINVAL; 788e126ba97SEli Cohen 789e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 790e126ba97SEli Cohen lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; 791e126ba97SEli Cohen 792e126ba97SEli Cohen uuarn = alloc_uuar(uuari, lc); 793e126ba97SEli Cohen if (uuarn < 0) { 794e126ba97SEli Cohen mlx5_ib_dbg(dev, "\n"); 795e126ba97SEli Cohen return -ENOMEM; 796e126ba97SEli Cohen } 797e126ba97SEli Cohen 798e126ba97SEli Cohen qp->bf = &uuari->bfs[uuarn]; 799e126ba97SEli Cohen uar_index = qp->bf->uar->index; 800e126ba97SEli Cohen 801e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 802e126ba97SEli Cohen if (err < 0) { 803e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 804e126ba97SEli Cohen goto err_uuar; 805e126ba97SEli Cohen } 806e126ba97SEli Cohen 807e126ba97SEli Cohen qp->rq.offset = 0; 808e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 80919098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 810e126ba97SEli Cohen 81119098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 812e126ba97SEli Cohen if (err) { 813e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 814e126ba97SEli Cohen goto err_uuar; 815e126ba97SEli Cohen } 816e126ba97SEli Cohen 817e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 818e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * qp->buf.npages; 819e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 820e126ba97SEli Cohen if (!*in) { 821e126ba97SEli Cohen err = -ENOMEM; 822e126ba97SEli Cohen goto err_buf; 823e126ba97SEli Cohen } 824e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 8251b77d2bdSEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 8261b77d2bdSEli Cohen cpu_to_be32((qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 827e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 828e126ba97SEli Cohen (*in)->ctx.params1 |= cpu_to_be32(1 << 11); 829e126ba97SEli Cohen (*in)->ctx.sq_crq_size |= cpu_to_be16(1 << 4); 830e126ba97SEli Cohen 831e126ba97SEli Cohen mlx5_fill_page_array(&qp->buf, (*in)->pas); 832e126ba97SEli Cohen 8339603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 834e126ba97SEli Cohen if (err) { 835e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 836e126ba97SEli Cohen goto err_free; 837e126ba97SEli Cohen } 838e126ba97SEli Cohen 839e126ba97SEli Cohen qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); 840e126ba97SEli Cohen qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); 841e126ba97SEli Cohen qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); 842e126ba97SEli Cohen qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); 843e126ba97SEli Cohen qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); 844e126ba97SEli Cohen 845e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 846e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 847e126ba97SEli Cohen err = -ENOMEM; 848e126ba97SEli Cohen goto err_wrid; 849e126ba97SEli Cohen } 850e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 851e126ba97SEli Cohen 852e126ba97SEli Cohen return 0; 853e126ba97SEli Cohen 854e126ba97SEli Cohen err_wrid: 8559603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 856e126ba97SEli Cohen kfree(qp->sq.wqe_head); 857e126ba97SEli Cohen kfree(qp->sq.w_list); 858e126ba97SEli Cohen kfree(qp->sq.wrid); 859e126ba97SEli Cohen kfree(qp->sq.wr_data); 860e126ba97SEli Cohen kfree(qp->rq.wrid); 861e126ba97SEli Cohen 862e126ba97SEli Cohen err_free: 863479163f4SAl Viro kvfree(*in); 864e126ba97SEli Cohen 865e126ba97SEli Cohen err_buf: 8669603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 867e126ba97SEli Cohen 868e126ba97SEli Cohen err_uuar: 8699603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, uuarn); 870e126ba97SEli Cohen return err; 871e126ba97SEli Cohen } 872e126ba97SEli Cohen 873e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 874e126ba97SEli Cohen { 8759603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 876e126ba97SEli Cohen kfree(qp->sq.wqe_head); 877e126ba97SEli Cohen kfree(qp->sq.w_list); 878e126ba97SEli Cohen kfree(qp->sq.wrid); 879e126ba97SEli Cohen kfree(qp->sq.wr_data); 880e126ba97SEli Cohen kfree(qp->rq.wrid); 8819603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 8829603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn); 883e126ba97SEli Cohen } 884e126ba97SEli Cohen 885e126ba97SEli Cohen static __be32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 886e126ba97SEli Cohen { 887e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 888e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 889e126ba97SEli Cohen return cpu_to_be32(MLX5_SRQ_RQ); 890e126ba97SEli Cohen else if (!qp->has_rq) 891e126ba97SEli Cohen return cpu_to_be32(MLX5_ZERO_LEN_RQ); 892e126ba97SEli Cohen else 893e126ba97SEli Cohen return cpu_to_be32(MLX5_NON_ZERO_RQ); 894e126ba97SEli Cohen } 895e126ba97SEli Cohen 896e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 897e126ba97SEli Cohen { 898e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 899e126ba97SEli Cohen return 1; 900e126ba97SEli Cohen 901e126ba97SEli Cohen return 0; 902e126ba97SEli Cohen } 903e126ba97SEli Cohen 9040fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 9050fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 9060fb2ed66Smajd@mellanox.com { 9070fb2ed66Smajd@mellanox.com u32 in[MLX5_ST_SZ_DW(create_tis_in)]; 9080fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 9090fb2ed66Smajd@mellanox.com 9100fb2ed66Smajd@mellanox.com memset(in, 0, sizeof(in)); 9110fb2ed66Smajd@mellanox.com 9120fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 9130fb2ed66Smajd@mellanox.com 9140fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 9150fb2ed66Smajd@mellanox.com } 9160fb2ed66Smajd@mellanox.com 9170fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 9180fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 9190fb2ed66Smajd@mellanox.com { 9200fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 9210fb2ed66Smajd@mellanox.com } 9220fb2ed66Smajd@mellanox.com 9230fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 9240fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 9250fb2ed66Smajd@mellanox.com struct ib_pd *pd) 9260fb2ed66Smajd@mellanox.com { 9270fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 9280fb2ed66Smajd@mellanox.com __be64 *pas; 9290fb2ed66Smajd@mellanox.com void *in; 9300fb2ed66Smajd@mellanox.com void *sqc; 9310fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 9320fb2ed66Smajd@mellanox.com void *wq; 9330fb2ed66Smajd@mellanox.com int inlen; 9340fb2ed66Smajd@mellanox.com int err; 9350fb2ed66Smajd@mellanox.com int page_shift = 0; 9360fb2ed66Smajd@mellanox.com int npages; 9370fb2ed66Smajd@mellanox.com int ncont = 0; 9380fb2ed66Smajd@mellanox.com u32 offset = 0; 9390fb2ed66Smajd@mellanox.com 9400fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 9410fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 9420fb2ed66Smajd@mellanox.com &ncont, &offset); 9430fb2ed66Smajd@mellanox.com if (err) 9440fb2ed66Smajd@mellanox.com return err; 9450fb2ed66Smajd@mellanox.com 9460fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 9470fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 9480fb2ed66Smajd@mellanox.com if (!in) { 9490fb2ed66Smajd@mellanox.com err = -ENOMEM; 9500fb2ed66Smajd@mellanox.com goto err_umem; 9510fb2ed66Smajd@mellanox.com } 9520fb2ed66Smajd@mellanox.com 9530fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 9540fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 9550fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 9560fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 9570fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 9580fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 9590fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 9600fb2ed66Smajd@mellanox.com 9610fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 9620fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 9630fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 9640fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 9650fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 9660fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 9670fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 9680fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 9690fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 9700fb2ed66Smajd@mellanox.com 9710fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 9720fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 9730fb2ed66Smajd@mellanox.com 9740fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 9750fb2ed66Smajd@mellanox.com 9760fb2ed66Smajd@mellanox.com kvfree(in); 9770fb2ed66Smajd@mellanox.com 9780fb2ed66Smajd@mellanox.com if (err) 9790fb2ed66Smajd@mellanox.com goto err_umem; 9800fb2ed66Smajd@mellanox.com 9810fb2ed66Smajd@mellanox.com return 0; 9820fb2ed66Smajd@mellanox.com 9830fb2ed66Smajd@mellanox.com err_umem: 9840fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 9850fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 9860fb2ed66Smajd@mellanox.com 9870fb2ed66Smajd@mellanox.com return err; 9880fb2ed66Smajd@mellanox.com } 9890fb2ed66Smajd@mellanox.com 9900fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 9910fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 9920fb2ed66Smajd@mellanox.com { 9930fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 9940fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 9950fb2ed66Smajd@mellanox.com } 9960fb2ed66Smajd@mellanox.com 9970fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 9980fb2ed66Smajd@mellanox.com { 9990fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 10000fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 10010fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 10020fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 10030fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 10040fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 10050fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 10060fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 10070fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 10080fb2ed66Smajd@mellanox.com 10090fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 10100fb2ed66Smajd@mellanox.com } 10110fb2ed66Smajd@mellanox.com 10120fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 10130fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 10140fb2ed66Smajd@mellanox.com { 10150fb2ed66Smajd@mellanox.com __be64 *pas; 10160fb2ed66Smajd@mellanox.com __be64 *qp_pas; 10170fb2ed66Smajd@mellanox.com void *in; 10180fb2ed66Smajd@mellanox.com void *rqc; 10190fb2ed66Smajd@mellanox.com void *wq; 10200fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10210fb2ed66Smajd@mellanox.com int inlen; 10220fb2ed66Smajd@mellanox.com int err; 10230fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 10240fb2ed66Smajd@mellanox.com 10250fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 10260fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10270fb2ed66Smajd@mellanox.com if (!in) 10280fb2ed66Smajd@mellanox.com return -ENOMEM; 10290fb2ed66Smajd@mellanox.com 10300fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 10310fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 10320fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 10330fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 10340fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 10350fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10360fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 10370fb2ed66Smajd@mellanox.com 10380fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 10390fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10400fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 104101581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 10420fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 10430fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 10440fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 10450fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 10460fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 10470fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 10480fb2ed66Smajd@mellanox.com 10490fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 10500fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 10510fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 10520fb2ed66Smajd@mellanox.com 10530fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 10540fb2ed66Smajd@mellanox.com 10550fb2ed66Smajd@mellanox.com kvfree(in); 10560fb2ed66Smajd@mellanox.com 10570fb2ed66Smajd@mellanox.com return err; 10580fb2ed66Smajd@mellanox.com } 10590fb2ed66Smajd@mellanox.com 10600fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 10610fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 10620fb2ed66Smajd@mellanox.com { 10630fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 10640fb2ed66Smajd@mellanox.com } 10650fb2ed66Smajd@mellanox.com 10660fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 10670fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, u32 tdn) 10680fb2ed66Smajd@mellanox.com { 10690fb2ed66Smajd@mellanox.com u32 *in; 10700fb2ed66Smajd@mellanox.com void *tirc; 10710fb2ed66Smajd@mellanox.com int inlen; 10720fb2ed66Smajd@mellanox.com int err; 10730fb2ed66Smajd@mellanox.com 10740fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 10750fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10760fb2ed66Smajd@mellanox.com if (!in) 10770fb2ed66Smajd@mellanox.com return -ENOMEM; 10780fb2ed66Smajd@mellanox.com 10790fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 10800fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 10810fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 10820fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 10830fb2ed66Smajd@mellanox.com 10840fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 10850fb2ed66Smajd@mellanox.com 10860fb2ed66Smajd@mellanox.com kvfree(in); 10870fb2ed66Smajd@mellanox.com 10880fb2ed66Smajd@mellanox.com return err; 10890fb2ed66Smajd@mellanox.com } 10900fb2ed66Smajd@mellanox.com 10910fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 10920fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 10930fb2ed66Smajd@mellanox.com { 10940fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 10950fb2ed66Smajd@mellanox.com } 10960fb2ed66Smajd@mellanox.com 10970fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 10980fb2ed66Smajd@mellanox.com struct mlx5_create_qp_mbox_in *in, 10990fb2ed66Smajd@mellanox.com struct ib_pd *pd) 11000fb2ed66Smajd@mellanox.com { 11010fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 11020fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 11030fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 11040fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 11050fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 11060fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 11070fb2ed66Smajd@mellanox.com int err; 11080fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 11090fb2ed66Smajd@mellanox.com 11100fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 11110fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tis(dev, sq, tdn); 11120fb2ed66Smajd@mellanox.com if (err) 11130fb2ed66Smajd@mellanox.com return err; 11140fb2ed66Smajd@mellanox.com 11150fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 11160fb2ed66Smajd@mellanox.com if (err) 11170fb2ed66Smajd@mellanox.com goto err_destroy_tis; 11180fb2ed66Smajd@mellanox.com 11190fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 11200fb2ed66Smajd@mellanox.com } 11210fb2ed66Smajd@mellanox.com 11220fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 11230fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 11240fb2ed66Smajd@mellanox.com if (err) 11250fb2ed66Smajd@mellanox.com goto err_destroy_sq; 11260fb2ed66Smajd@mellanox.com 11270fb2ed66Smajd@mellanox.com rq->base.container_mibqp = qp; 11280fb2ed66Smajd@mellanox.com 11290fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tir(dev, rq, tdn); 11300fb2ed66Smajd@mellanox.com if (err) 11310fb2ed66Smajd@mellanox.com goto err_destroy_rq; 11320fb2ed66Smajd@mellanox.com } 11330fb2ed66Smajd@mellanox.com 11340fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 11350fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 11360fb2ed66Smajd@mellanox.com 11370fb2ed66Smajd@mellanox.com return 0; 11380fb2ed66Smajd@mellanox.com 11390fb2ed66Smajd@mellanox.com err_destroy_rq: 11400fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 11410fb2ed66Smajd@mellanox.com err_destroy_sq: 11420fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 11430fb2ed66Smajd@mellanox.com return err; 11440fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 11450fb2ed66Smajd@mellanox.com err_destroy_tis: 11460fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 11470fb2ed66Smajd@mellanox.com 11480fb2ed66Smajd@mellanox.com return err; 11490fb2ed66Smajd@mellanox.com } 11500fb2ed66Smajd@mellanox.com 11510fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 11520fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 11530fb2ed66Smajd@mellanox.com { 11540fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 11550fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 11560fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 11570fb2ed66Smajd@mellanox.com 11580fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 11590fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 11600fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 11610fb2ed66Smajd@mellanox.com } 11620fb2ed66Smajd@mellanox.com 11630fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 11640fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 11650fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 11660fb2ed66Smajd@mellanox.com } 11670fb2ed66Smajd@mellanox.com } 11680fb2ed66Smajd@mellanox.com 11690fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 11700fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 11710fb2ed66Smajd@mellanox.com { 11720fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 11730fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 11740fb2ed66Smajd@mellanox.com 11750fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 11760fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 11770fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 11780fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 11790fb2ed66Smajd@mellanox.com } 11800fb2ed66Smajd@mellanox.com 1181e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1182e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1183e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1184e126ba97SEli Cohen { 1185e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 1186938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 11870fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base; 1188e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 1189e126ba97SEli Cohen struct mlx5_create_qp_mbox_in *in; 1190e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 1191e126ba97SEli Cohen int inlen = sizeof(*in); 1192e126ba97SEli Cohen int err; 1193cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 1194cfb5e088SHaggai Abramovsky void *qpc; 1195e126ba97SEli Cohen 11960fb2ed66Smajd@mellanox.com base = init_attr->qp_type == IB_QPT_RAW_PACKET ? 11970fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 11980fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 11990fb2ed66Smajd@mellanox.com 12000fb2ed66Smajd@mellanox.com if (init_attr->qp_type != IB_QPT_RAW_PACKET) 12016aec21f6SHaggai Eran mlx5_ib_odp_create_qp(qp); 12026aec21f6SHaggai Eran 1203e126ba97SEli Cohen mutex_init(&qp->mutex); 1204e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1205e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1206e126ba97SEli Cohen 1207f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1208938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1209f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1210f360d88aSEli Cohen return -EINVAL; 1211f360d88aSEli Cohen } else { 1212f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1213f360d88aSEli Cohen } 1214f360d88aSEli Cohen } 1215f360d88aSEli Cohen 1216051f2630SLeon Romanovsky if (init_attr->create_flags & 1217051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1218051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1219051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1220051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1221051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1222051f2630SLeon Romanovsky return -EINVAL; 1223051f2630SLeon Romanovsky } 1224051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1225051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1226051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1227051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1228051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1229051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1230051f2630SLeon Romanovsky } 1231e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1232e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1233e126ba97SEli Cohen 1234e126ba97SEli Cohen if (pd && pd->uobject) { 1235e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1236e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1237e126ba97SEli Cohen return -EFAULT; 1238e126ba97SEli Cohen } 1239e126ba97SEli Cohen 1240cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1241cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1242cfb5e088SHaggai Abramovsky if (err) 1243cfb5e088SHaggai Abramovsky return err; 1244cfb5e088SHaggai Abramovsky 1245e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1246e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1247e126ba97SEli Cohen } else { 1248e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1249e126ba97SEli Cohen } 1250e126ba97SEli Cohen 1251e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1252e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1253e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1254e126ba97SEli Cohen if (err) { 1255e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1256e126ba97SEli Cohen return err; 1257e126ba97SEli Cohen } 1258e126ba97SEli Cohen 1259e126ba97SEli Cohen if (pd) { 1260e126ba97SEli Cohen if (pd->uobject) { 1261938fe83cSSaeed Mahameed __u32 max_wqes = 1262938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1263e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1264e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1265e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1266e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1267e126ba97SEli Cohen return -EINVAL; 1268e126ba97SEli Cohen } 1269938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1270e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1271938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1272e126ba97SEli Cohen return -EINVAL; 1273e126ba97SEli Cohen } 12740fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 12750fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1276e126ba97SEli Cohen if (err) 1277e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1278e126ba97SEli Cohen } else { 127919098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 128019098df2Smajd@mellanox.com base); 1281e126ba97SEli Cohen if (err) 1282e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1283e126ba97SEli Cohen } 1284e126ba97SEli Cohen 1285e126ba97SEli Cohen if (err) 1286e126ba97SEli Cohen return err; 1287e126ba97SEli Cohen } else { 1288e126ba97SEli Cohen in = mlx5_vzalloc(sizeof(*in)); 1289e126ba97SEli Cohen if (!in) 1290e126ba97SEli Cohen return -ENOMEM; 1291e126ba97SEli Cohen 1292e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1293e126ba97SEli Cohen } 1294e126ba97SEli Cohen 1295e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1296e126ba97SEli Cohen qp->port = init_attr->port_num; 1297e126ba97SEli Cohen 1298e126ba97SEli Cohen in->ctx.flags = cpu_to_be32(to_mlx5_st(init_attr->qp_type) << 16 | 1299e126ba97SEli Cohen MLX5_QP_PM_MIGRATED << 11); 1300e126ba97SEli Cohen 1301e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 1302e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(to_mpd(pd ? pd : devr->p0)->pdn); 1303e126ba97SEli Cohen else 1304e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(MLX5_QP_LAT_SENSITIVE); 1305e126ba97SEli Cohen 1306e126ba97SEli Cohen if (qp->wq_sig) 1307e126ba97SEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG); 1308e126ba97SEli Cohen 1309f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 1310f360d88aSEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST); 1311f360d88aSEli Cohen 1312051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 1313051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_MASTER); 1314051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 1315051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_SEND); 1316051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 1317051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_RECV); 1318051f2630SLeon Romanovsky 1319e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1320e126ba97SEli Cohen int rcqe_sz; 1321e126ba97SEli Cohen int scqe_sz; 1322e126ba97SEli Cohen 1323e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1324e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1325e126ba97SEli Cohen 1326e126ba97SEli Cohen if (rcqe_sz == 128) 1327e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA64_CQE; 1328e126ba97SEli Cohen else 1329e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA32_CQE; 1330e126ba97SEli Cohen 1331e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1332e126ba97SEli Cohen if (scqe_sz == 128) 1333e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA64_CQE; 1334e126ba97SEli Cohen else 1335e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA32_CQE; 1336e126ba97SEli Cohen } 1337e126ba97SEli Cohen } 1338e126ba97SEli Cohen 1339e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 1340e126ba97SEli Cohen in->ctx.rq_size_stride = (qp->rq.wqe_shift - 4); 1341e126ba97SEli Cohen in->ctx.rq_size_stride |= ilog2(qp->rq.wqe_cnt) << 3; 1342e126ba97SEli Cohen } 1343e126ba97SEli Cohen 1344e126ba97SEli Cohen in->ctx.rq_type_srqn = get_rx_type(qp, init_attr); 1345e126ba97SEli Cohen 1346e126ba97SEli Cohen if (qp->sq.wqe_cnt) 1347e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(ilog2(qp->sq.wqe_cnt) << 11); 1348e126ba97SEli Cohen else 1349e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(0x8000); 1350e126ba97SEli Cohen 1351e126ba97SEli Cohen /* Set default resources */ 1352e126ba97SEli Cohen switch (init_attr->qp_type) { 1353e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1354e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1355e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1356e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1357e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(init_attr->xrcd)->xrcdn); 1358e126ba97SEli Cohen break; 1359e126ba97SEli Cohen case IB_QPT_XRC_INI: 1360e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1361e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 1362e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1363e126ba97SEli Cohen break; 1364e126ba97SEli Cohen default: 1365e126ba97SEli Cohen if (init_attr->srq) { 1366e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x0)->xrcdn); 1367e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(init_attr->srq)->msrq.srqn); 1368e126ba97SEli Cohen } else { 1369e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 13704aa17b28SHaggai Abramonvsky in->ctx.rq_type_srqn |= 13714aa17b28SHaggai Abramonvsky cpu_to_be32(to_msrq(devr->s1)->msrq.srqn); 1372e126ba97SEli Cohen } 1373e126ba97SEli Cohen } 1374e126ba97SEli Cohen 1375e126ba97SEli Cohen if (init_attr->send_cq) 1376e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(init_attr->send_cq)->mcq.cqn); 1377e126ba97SEli Cohen 1378e126ba97SEli Cohen if (init_attr->recv_cq) 1379e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(init_attr->recv_cq)->mcq.cqn); 1380e126ba97SEli Cohen 1381e126ba97SEli Cohen in->ctx.db_rec_addr = cpu_to_be64(qp->db.dma); 1382e126ba97SEli Cohen 1383cfb5e088SHaggai Abramovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) { 1384cfb5e088SHaggai Abramovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 1385cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 1386cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 1387cfb5e088SHaggai Abramovsky } 1388cfb5e088SHaggai Abramovsky 13890fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 13900fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 13910fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 13920fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 13930fb2ed66Smajd@mellanox.com } else { 139419098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 13950fb2ed66Smajd@mellanox.com } 13960fb2ed66Smajd@mellanox.com 1397e126ba97SEli Cohen if (err) { 1398e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1399e126ba97SEli Cohen goto err_create; 1400e126ba97SEli Cohen } 1401e126ba97SEli Cohen 1402479163f4SAl Viro kvfree(in); 1403e126ba97SEli Cohen 140419098df2Smajd@mellanox.com base->container_mibqp = qp; 140519098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1406e126ba97SEli Cohen 1407e126ba97SEli Cohen return 0; 1408e126ba97SEli Cohen 1409e126ba97SEli Cohen err_create: 1410e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 141119098df2Smajd@mellanox.com destroy_qp_user(pd, qp, base); 1412e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1413e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1414e126ba97SEli Cohen 1415479163f4SAl Viro kvfree(in); 1416e126ba97SEli Cohen return err; 1417e126ba97SEli Cohen } 1418e126ba97SEli Cohen 1419e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1420e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1421e126ba97SEli Cohen { 1422e126ba97SEli Cohen if (send_cq) { 1423e126ba97SEli Cohen if (recv_cq) { 1424e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1425e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 1426e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1427e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1428e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1429e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 1430e126ba97SEli Cohen __acquire(&recv_cq->lock); 1431e126ba97SEli Cohen } else { 1432e126ba97SEli Cohen spin_lock_irq(&recv_cq->lock); 1433e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1434e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1435e126ba97SEli Cohen } 1436e126ba97SEli Cohen } else { 1437e126ba97SEli Cohen spin_lock_irq(&send_cq->lock); 14386a4f139aSEli Cohen __acquire(&recv_cq->lock); 1439e126ba97SEli Cohen } 1440e126ba97SEli Cohen } else if (recv_cq) { 1441e126ba97SEli Cohen spin_lock_irq(&recv_cq->lock); 14426a4f139aSEli Cohen __acquire(&send_cq->lock); 14436a4f139aSEli Cohen } else { 14446a4f139aSEli Cohen __acquire(&send_cq->lock); 14456a4f139aSEli Cohen __acquire(&recv_cq->lock); 1446e126ba97SEli Cohen } 1447e126ba97SEli Cohen } 1448e126ba97SEli Cohen 1449e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1450e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1451e126ba97SEli Cohen { 1452e126ba97SEli Cohen if (send_cq) { 1453e126ba97SEli Cohen if (recv_cq) { 1454e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1455e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 1456e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1457e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1458e126ba97SEli Cohen __release(&recv_cq->lock); 1459e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1460e126ba97SEli Cohen } else { 1461e126ba97SEli Cohen spin_unlock(&send_cq->lock); 1462e126ba97SEli Cohen spin_unlock_irq(&recv_cq->lock); 1463e126ba97SEli Cohen } 1464e126ba97SEli Cohen } else { 14656a4f139aSEli Cohen __release(&recv_cq->lock); 1466e126ba97SEli Cohen spin_unlock_irq(&send_cq->lock); 1467e126ba97SEli Cohen } 1468e126ba97SEli Cohen } else if (recv_cq) { 14696a4f139aSEli Cohen __release(&send_cq->lock); 1470e126ba97SEli Cohen spin_unlock_irq(&recv_cq->lock); 14716a4f139aSEli Cohen } else { 14726a4f139aSEli Cohen __release(&recv_cq->lock); 14736a4f139aSEli Cohen __release(&send_cq->lock); 1474e126ba97SEli Cohen } 1475e126ba97SEli Cohen } 1476e126ba97SEli Cohen 1477e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1478e126ba97SEli Cohen { 1479e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1480e126ba97SEli Cohen } 1481e126ba97SEli Cohen 1482e126ba97SEli Cohen static void get_cqs(struct mlx5_ib_qp *qp, 1483e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1484e126ba97SEli Cohen { 1485e126ba97SEli Cohen switch (qp->ibqp.qp_type) { 1486e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1487e126ba97SEli Cohen *send_cq = NULL; 1488e126ba97SEli Cohen *recv_cq = NULL; 1489e126ba97SEli Cohen break; 1490e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1491e126ba97SEli Cohen case IB_QPT_XRC_INI: 1492e126ba97SEli Cohen *send_cq = to_mcq(qp->ibqp.send_cq); 1493e126ba97SEli Cohen *recv_cq = NULL; 1494e126ba97SEli Cohen break; 1495e126ba97SEli Cohen 1496e126ba97SEli Cohen case IB_QPT_SMI: 1497e126ba97SEli Cohen case IB_QPT_GSI: 1498e126ba97SEli Cohen case IB_QPT_RC: 1499e126ba97SEli Cohen case IB_QPT_UC: 1500e126ba97SEli Cohen case IB_QPT_UD: 1501e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1502e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 15030fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 1504e126ba97SEli Cohen *send_cq = to_mcq(qp->ibqp.send_cq); 1505e126ba97SEli Cohen *recv_cq = to_mcq(qp->ibqp.recv_cq); 1506e126ba97SEli Cohen break; 1507e126ba97SEli Cohen 1508e126ba97SEli Cohen case IB_QPT_MAX: 1509e126ba97SEli Cohen default: 1510e126ba97SEli Cohen *send_cq = NULL; 1511e126ba97SEli Cohen *recv_cq = NULL; 1512e126ba97SEli Cohen break; 1513e126ba97SEli Cohen } 1514e126ba97SEli Cohen } 1515e126ba97SEli Cohen 1516ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1517ad5f8e96Smajd@mellanox.com u16 operation); 1518ad5f8e96Smajd@mellanox.com 1519e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1520e126ba97SEli Cohen { 1521e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 152219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 15230fb2ed66Smajd@mellanox.com struct mlx5_modify_qp_mbox_in *in; 1524e126ba97SEli Cohen int err; 1525e126ba97SEli Cohen 15260fb2ed66Smajd@mellanox.com base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? 15270fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 15280fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 15290fb2ed66Smajd@mellanox.com 1530e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 1531e126ba97SEli Cohen if (!in) 1532e126ba97SEli Cohen return; 15337bef7ad2SEli Cohen 15346aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1535ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { 15366aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 1537ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 1538ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP, in, 0, 1539ad5f8e96Smajd@mellanox.com &base->mqp); 1540ad5f8e96Smajd@mellanox.com } else { 1541ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, 1542ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP); 1543ad5f8e96Smajd@mellanox.com } 1544ad5f8e96Smajd@mellanox.com if (err) 1545427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 154619098df2Smajd@mellanox.com base->mqp.qpn); 15476aec21f6SHaggai Eran } 1548e126ba97SEli Cohen 1549e126ba97SEli Cohen get_cqs(qp, &send_cq, &recv_cq); 1550e126ba97SEli Cohen 1551e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 1552e126ba97SEli Cohen mlx5_ib_lock_cqs(send_cq, recv_cq); 155319098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 1554e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 1555e126ba97SEli Cohen if (send_cq != recv_cq) 155619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 155719098df2Smajd@mellanox.com NULL); 1558e126ba97SEli Cohen mlx5_ib_unlock_cqs(send_cq, recv_cq); 1559e126ba97SEli Cohen } 1560e126ba97SEli Cohen 15610fb2ed66Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 15620fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 15630fb2ed66Smajd@mellanox.com } else { 156419098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 1565e126ba97SEli Cohen if (err) 15660fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 15670fb2ed66Smajd@mellanox.com base->mqp.qpn); 15680fb2ed66Smajd@mellanox.com } 1569e126ba97SEli Cohen 15700fb2ed66Smajd@mellanox.com kfree(in); 1571e126ba97SEli Cohen 1572e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 1573e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1574e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 157519098df2Smajd@mellanox.com destroy_qp_user(&get_pd(qp)->ibpd, qp, base); 1576e126ba97SEli Cohen } 1577e126ba97SEli Cohen 1578e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 1579e126ba97SEli Cohen { 1580e126ba97SEli Cohen switch (type) { 1581e126ba97SEli Cohen case IB_QPT_SMI: 1582e126ba97SEli Cohen return "IB_QPT_SMI"; 1583e126ba97SEli Cohen case IB_QPT_GSI: 1584e126ba97SEli Cohen return "IB_QPT_GSI"; 1585e126ba97SEli Cohen case IB_QPT_RC: 1586e126ba97SEli Cohen return "IB_QPT_RC"; 1587e126ba97SEli Cohen case IB_QPT_UC: 1588e126ba97SEli Cohen return "IB_QPT_UC"; 1589e126ba97SEli Cohen case IB_QPT_UD: 1590e126ba97SEli Cohen return "IB_QPT_UD"; 1591e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1592e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 1593e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1594e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 1595e126ba97SEli Cohen case IB_QPT_XRC_INI: 1596e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 1597e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1598e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 1599e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 1600e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 1601e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1602e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 1603e126ba97SEli Cohen case IB_QPT_MAX: 1604e126ba97SEli Cohen default: 1605e126ba97SEli Cohen return "Invalid QP type"; 1606e126ba97SEli Cohen } 1607e126ba97SEli Cohen } 1608e126ba97SEli Cohen 1609e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 1610e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1611e126ba97SEli Cohen struct ib_udata *udata) 1612e126ba97SEli Cohen { 1613e126ba97SEli Cohen struct mlx5_ib_dev *dev; 1614e126ba97SEli Cohen struct mlx5_ib_qp *qp; 1615e126ba97SEli Cohen u16 xrcdn = 0; 1616e126ba97SEli Cohen int err; 1617e126ba97SEli Cohen 1618e126ba97SEli Cohen if (pd) { 1619e126ba97SEli Cohen dev = to_mdev(pd->device); 16200fb2ed66Smajd@mellanox.com 16210fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 16220fb2ed66Smajd@mellanox.com if (!pd->uobject) { 16230fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 16240fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 16250fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 16260fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 16270fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 16280fb2ed66Smajd@mellanox.com } 16290fb2ed66Smajd@mellanox.com } 163009f16cf5SMajd Dibbiny } else { 163109f16cf5SMajd Dibbiny /* being cautious here */ 163209f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 163309f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 163409f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 163509f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 163609f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 163709f16cf5SMajd Dibbiny } 163809f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 1639e126ba97SEli Cohen } 1640e126ba97SEli Cohen 1641e126ba97SEli Cohen switch (init_attr->qp_type) { 1642e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1643e126ba97SEli Cohen case IB_QPT_XRC_INI: 1644938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 1645e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 1646e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 1647e126ba97SEli Cohen } 1648e126ba97SEli Cohen init_attr->recv_cq = NULL; 1649e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 1650e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 1651e126ba97SEli Cohen init_attr->send_cq = NULL; 1652e126ba97SEli Cohen } 1653e126ba97SEli Cohen 1654e126ba97SEli Cohen /* fall through */ 16550fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 1656e126ba97SEli Cohen case IB_QPT_RC: 1657e126ba97SEli Cohen case IB_QPT_UC: 1658e126ba97SEli Cohen case IB_QPT_UD: 1659e126ba97SEli Cohen case IB_QPT_SMI: 1660e126ba97SEli Cohen case IB_QPT_GSI: 1661e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1662e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 1663e126ba97SEli Cohen if (!qp) 1664e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 1665e126ba97SEli Cohen 1666e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 1667e126ba97SEli Cohen if (err) { 1668e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 1669e126ba97SEli Cohen kfree(qp); 1670e126ba97SEli Cohen return ERR_PTR(err); 1671e126ba97SEli Cohen } 1672e126ba97SEli Cohen 1673e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 1674e126ba97SEli Cohen qp->ibqp.qp_num = 0; 1675e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 1676e126ba97SEli Cohen qp->ibqp.qp_num = 1; 1677e126ba97SEli Cohen else 167819098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 1679e126ba97SEli Cohen 1680e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 168119098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 168219098df2Smajd@mellanox.com to_mcq(init_attr->recv_cq)->mcq.cqn, 1683e126ba97SEli Cohen to_mcq(init_attr->send_cq)->mcq.cqn); 1684e126ba97SEli Cohen 168519098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 1686e126ba97SEli Cohen 1687e126ba97SEli Cohen break; 1688e126ba97SEli Cohen 1689e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1690e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1691e126ba97SEli Cohen case IB_QPT_MAX: 1692e126ba97SEli Cohen default: 1693e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 1694e126ba97SEli Cohen init_attr->qp_type); 1695e126ba97SEli Cohen /* Don't support raw QPs */ 1696e126ba97SEli Cohen return ERR_PTR(-EINVAL); 1697e126ba97SEli Cohen } 1698e126ba97SEli Cohen 1699e126ba97SEli Cohen return &qp->ibqp; 1700e126ba97SEli Cohen } 1701e126ba97SEli Cohen 1702e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 1703e126ba97SEli Cohen { 1704e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 1705e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 1706e126ba97SEli Cohen 1707e126ba97SEli Cohen destroy_qp_common(dev, mqp); 1708e126ba97SEli Cohen 1709e126ba97SEli Cohen kfree(mqp); 1710e126ba97SEli Cohen 1711e126ba97SEli Cohen return 0; 1712e126ba97SEli Cohen } 1713e126ba97SEli Cohen 1714e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 1715e126ba97SEli Cohen int attr_mask) 1716e126ba97SEli Cohen { 1717e126ba97SEli Cohen u32 hw_access_flags = 0; 1718e126ba97SEli Cohen u8 dest_rd_atomic; 1719e126ba97SEli Cohen u32 access_flags; 1720e126ba97SEli Cohen 1721e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 1722e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 1723e126ba97SEli Cohen else 172419098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 1725e126ba97SEli Cohen 1726e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 1727e126ba97SEli Cohen access_flags = attr->qp_access_flags; 1728e126ba97SEli Cohen else 172919098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 1730e126ba97SEli Cohen 1731e126ba97SEli Cohen if (!dest_rd_atomic) 1732e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 1733e126ba97SEli Cohen 1734e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 1735e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 1736e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 1737e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 1738e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 1739e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 1740e126ba97SEli Cohen 1741e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 1742e126ba97SEli Cohen } 1743e126ba97SEli Cohen 1744e126ba97SEli Cohen enum { 1745e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 1746e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 1747e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 1748e126ba97SEli Cohen }; 1749e126ba97SEli Cohen 1750e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 1751e126ba97SEli Cohen { 1752e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 1753e126ba97SEli Cohen return 0; 1754e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 1755e126ba97SEli Cohen return -EINVAL; 1756e126ba97SEli Cohen } else { 1757e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 1758e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 1759938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 1760e126ba97SEli Cohen --rate; 1761e126ba97SEli Cohen } 1762e126ba97SEli Cohen 1763e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 1764e126ba97SEli Cohen } 1765e126ba97SEli Cohen 176675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 176775850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 176875850d0bSmajd@mellanox.com { 176975850d0bSmajd@mellanox.com void *in; 177075850d0bSmajd@mellanox.com void *tisc; 177175850d0bSmajd@mellanox.com int inlen; 177275850d0bSmajd@mellanox.com int err; 177375850d0bSmajd@mellanox.com 177475850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 177575850d0bSmajd@mellanox.com in = mlx5_vzalloc(inlen); 177675850d0bSmajd@mellanox.com if (!in) 177775850d0bSmajd@mellanox.com return -ENOMEM; 177875850d0bSmajd@mellanox.com 177975850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 178075850d0bSmajd@mellanox.com 178175850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 178275850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 178375850d0bSmajd@mellanox.com 178475850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 178575850d0bSmajd@mellanox.com 178675850d0bSmajd@mellanox.com kvfree(in); 178775850d0bSmajd@mellanox.com 178875850d0bSmajd@mellanox.com return err; 178975850d0bSmajd@mellanox.com } 179075850d0bSmajd@mellanox.com 179175850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 179275850d0bSmajd@mellanox.com const struct ib_ah_attr *ah, 1793e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 1794e126ba97SEli Cohen u32 path_flags, const struct ib_qp_attr *attr) 1795e126ba97SEli Cohen { 17962811ba51SAchiad Shochat enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); 1797e126ba97SEli Cohen int err; 1798e126ba97SEli Cohen 1799e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 1800e126ba97SEli Cohen path->pkey_index = attr->pkey_index; 1801e126ba97SEli Cohen 1802e126ba97SEli Cohen if (ah->ah_flags & IB_AH_GRH) { 1803938fe83cSSaeed Mahameed if (ah->grh.sgid_index >= 1804938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 1805f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 1806938fe83cSSaeed Mahameed ah->grh.sgid_index, 1807938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 1808f83b4263SEli Cohen return -EINVAL; 1809f83b4263SEli Cohen } 18102811ba51SAchiad Shochat } 18112811ba51SAchiad Shochat 18122811ba51SAchiad Shochat if (ll == IB_LINK_LAYER_ETHERNET) { 18132811ba51SAchiad Shochat if (!(ah->ah_flags & IB_AH_GRH)) 18142811ba51SAchiad Shochat return -EINVAL; 18152811ba51SAchiad Shochat memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); 18162811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 18172811ba51SAchiad Shochat ah->grh.sgid_index); 18182811ba51SAchiad Shochat path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; 18192811ba51SAchiad Shochat } else { 18202811ba51SAchiad Shochat path->fl = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 18212811ba51SAchiad Shochat path->free_ar = (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x80 : 18222811ba51SAchiad Shochat 0; 18232811ba51SAchiad Shochat path->rlid = cpu_to_be16(ah->dlid); 18242811ba51SAchiad Shochat path->grh_mlid = ah->src_path_bits & 0x7f; 18252811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) 1826e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 18272811ba51SAchiad Shochat path->dci_cfi_prio_sl = ah->sl & 0xf; 18282811ba51SAchiad Shochat } 18292811ba51SAchiad Shochat 18302811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) { 1831e126ba97SEli Cohen path->mgid_index = ah->grh.sgid_index; 1832e126ba97SEli Cohen path->hop_limit = ah->grh.hop_limit; 1833e126ba97SEli Cohen path->tclass_flowlabel = 1834e126ba97SEli Cohen cpu_to_be32((ah->grh.traffic_class << 20) | 1835e126ba97SEli Cohen (ah->grh.flow_label)); 1836e126ba97SEli Cohen memcpy(path->rgid, ah->grh.dgid.raw, 16); 1837e126ba97SEli Cohen } 1838e126ba97SEli Cohen 1839e126ba97SEli Cohen err = ib_rate_to_mlx5(dev, ah->static_rate); 1840e126ba97SEli Cohen if (err < 0) 1841e126ba97SEli Cohen return err; 1842e126ba97SEli Cohen path->static_rate = err; 1843e126ba97SEli Cohen path->port = port; 1844e126ba97SEli Cohen 1845e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 1846e126ba97SEli Cohen path->ackto_lt = attr->timeout << 3; 1847e126ba97SEli Cohen 184875850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 184975850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 185075850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 185175850d0bSmajd@mellanox.com ah->sl & 0xf); 185275850d0bSmajd@mellanox.com 1853e126ba97SEli Cohen return 0; 1854e126ba97SEli Cohen } 1855e126ba97SEli Cohen 1856e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 1857e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 1858e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 1859e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 1860e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 1861e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1862e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 1863e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1864e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 1865e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 1866e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1867e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 1868e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 1869e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 1870e126ba97SEli Cohen }, 1871e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 1872e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 1873e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 1874e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 1875e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1876e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 1877e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 1878e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1879e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 1880e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 1881e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 1882e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 1883e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 1884a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 1885a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 1886a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 1887a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 1888a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 1889e126ba97SEli Cohen }, 1890e126ba97SEli Cohen }, 1891e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 1892e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 1893e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 1894e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 1895e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 1896e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1897e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 1898e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 1899e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 1900e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1901e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 1902e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 1903e126ba97SEli Cohen }, 1904e126ba97SEli Cohen }, 1905e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 1906e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 1907e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 1908e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 1909e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 1910e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 1911c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 1912c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 1913e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 1914c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 1915c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 1916e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 1917e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 1918e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 1919e126ba97SEli Cohen }, 1920e126ba97SEli Cohen }, 1921e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 1922e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 1923e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 1924e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 192575959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 1926a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 1927a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 1928a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 1929a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 1930e126ba97SEli Cohen }, 1931e126ba97SEli Cohen }, 1932e126ba97SEli Cohen }; 1933e126ba97SEli Cohen 1934e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 1935e126ba97SEli Cohen { 1936e126ba97SEli Cohen switch (ib_mask) { 1937e126ba97SEli Cohen case IB_QP_STATE: 1938e126ba97SEli Cohen return 0; 1939e126ba97SEli Cohen case IB_QP_CUR_STATE: 1940e126ba97SEli Cohen return 0; 1941e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 1942e126ba97SEli Cohen return 0; 1943e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 1944e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 1945e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 1946e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 1947e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 1948e126ba97SEli Cohen case IB_QP_PORT: 1949e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 1950e126ba97SEli Cohen case IB_QP_QKEY: 1951e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 1952e126ba97SEli Cohen case IB_QP_AV: 1953e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 1954e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 1955e126ba97SEli Cohen case IB_QP_PATH_MTU: 1956e126ba97SEli Cohen return 0; 1957e126ba97SEli Cohen case IB_QP_TIMEOUT: 1958e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 1959e126ba97SEli Cohen case IB_QP_RETRY_CNT: 1960e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 1961e126ba97SEli Cohen case IB_QP_RNR_RETRY: 1962e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 1963e126ba97SEli Cohen case IB_QP_RQ_PSN: 1964e126ba97SEli Cohen return 0; 1965e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 1966e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 1967e126ba97SEli Cohen case IB_QP_ALT_PATH: 1968e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 1969e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 1970e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 1971e126ba97SEli Cohen case IB_QP_SQ_PSN: 1972e126ba97SEli Cohen return 0; 1973e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 1974e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 1975e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 1976e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 1977e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 1978e126ba97SEli Cohen case IB_QP_CAP: 1979e126ba97SEli Cohen return 0; 1980e126ba97SEli Cohen case IB_QP_DEST_QPN: 1981e126ba97SEli Cohen return 0; 1982e126ba97SEli Cohen } 1983e126ba97SEli Cohen return 0; 1984e126ba97SEli Cohen } 1985e126ba97SEli Cohen 1986e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 1987e126ba97SEli Cohen { 1988e126ba97SEli Cohen int result = 0; 1989e126ba97SEli Cohen int i; 1990e126ba97SEli Cohen 1991e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 1992e126ba97SEli Cohen if ((1 << i) & ib_mask) 1993e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 1994e126ba97SEli Cohen } 1995e126ba97SEli Cohen 1996e126ba97SEli Cohen return result; 1997e126ba97SEli Cohen } 1998e126ba97SEli Cohen 1999ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_rq(struct mlx5_core_dev *dev, 2000ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq, int new_state) 2001ad5f8e96Smajd@mellanox.com { 2002ad5f8e96Smajd@mellanox.com void *in; 2003ad5f8e96Smajd@mellanox.com void *rqc; 2004ad5f8e96Smajd@mellanox.com int inlen; 2005ad5f8e96Smajd@mellanox.com int err; 2006ad5f8e96Smajd@mellanox.com 2007ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 2008ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2009ad5f8e96Smajd@mellanox.com if (!in) 2010ad5f8e96Smajd@mellanox.com return -ENOMEM; 2011ad5f8e96Smajd@mellanox.com 2012ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2013ad5f8e96Smajd@mellanox.com 2014ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2015ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2016ad5f8e96Smajd@mellanox.com 2017ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_rq(dev, rq->base.mqp.qpn, in, inlen); 2018ad5f8e96Smajd@mellanox.com if (err) 2019ad5f8e96Smajd@mellanox.com goto out; 2020ad5f8e96Smajd@mellanox.com 2021ad5f8e96Smajd@mellanox.com rq->state = new_state; 2022ad5f8e96Smajd@mellanox.com 2023ad5f8e96Smajd@mellanox.com out: 2024ad5f8e96Smajd@mellanox.com kvfree(in); 2025ad5f8e96Smajd@mellanox.com return err; 2026ad5f8e96Smajd@mellanox.com } 2027ad5f8e96Smajd@mellanox.com 2028ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 2029ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq, int new_state) 2030ad5f8e96Smajd@mellanox.com { 2031ad5f8e96Smajd@mellanox.com void *in; 2032ad5f8e96Smajd@mellanox.com void *sqc; 2033ad5f8e96Smajd@mellanox.com int inlen; 2034ad5f8e96Smajd@mellanox.com int err; 2035ad5f8e96Smajd@mellanox.com 2036ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 2037ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2038ad5f8e96Smajd@mellanox.com if (!in) 2039ad5f8e96Smajd@mellanox.com return -ENOMEM; 2040ad5f8e96Smajd@mellanox.com 2041ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2042ad5f8e96Smajd@mellanox.com 2043ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2044ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2045ad5f8e96Smajd@mellanox.com 2046ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 2047ad5f8e96Smajd@mellanox.com if (err) 2048ad5f8e96Smajd@mellanox.com goto out; 2049ad5f8e96Smajd@mellanox.com 2050ad5f8e96Smajd@mellanox.com sq->state = new_state; 2051ad5f8e96Smajd@mellanox.com 2052ad5f8e96Smajd@mellanox.com out: 2053ad5f8e96Smajd@mellanox.com kvfree(in); 2054ad5f8e96Smajd@mellanox.com return err; 2055ad5f8e96Smajd@mellanox.com } 2056ad5f8e96Smajd@mellanox.com 2057ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2058ad5f8e96Smajd@mellanox.com u16 operation) 2059ad5f8e96Smajd@mellanox.com { 2060ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2061ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2062ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 2063ad5f8e96Smajd@mellanox.com int rq_state; 2064ad5f8e96Smajd@mellanox.com int sq_state; 2065ad5f8e96Smajd@mellanox.com int err; 2066ad5f8e96Smajd@mellanox.com 2067ad5f8e96Smajd@mellanox.com switch (operation) { 2068ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2069ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2070ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2071ad5f8e96Smajd@mellanox.com break; 2072ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2073ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2074ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2075ad5f8e96Smajd@mellanox.com break; 2076ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2077ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2078ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2079ad5f8e96Smajd@mellanox.com break; 2080ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2INIT_QP: 2081ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2RTR_QP: 2082ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2083ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 2084ad5f8e96Smajd@mellanox.com /* Nothing to do here... */ 2085ad5f8e96Smajd@mellanox.com return 0; 2086ad5f8e96Smajd@mellanox.com default: 2087ad5f8e96Smajd@mellanox.com WARN_ON(1); 2088ad5f8e96Smajd@mellanox.com return -EINVAL; 2089ad5f8e96Smajd@mellanox.com } 2090ad5f8e96Smajd@mellanox.com 2091ad5f8e96Smajd@mellanox.com if (qp->rq.wqe_cnt) { 2092ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp_rq(dev->mdev, rq, rq_state); 2093ad5f8e96Smajd@mellanox.com if (err) 2094ad5f8e96Smajd@mellanox.com return err; 2095ad5f8e96Smajd@mellanox.com } 2096ad5f8e96Smajd@mellanox.com 2097ad5f8e96Smajd@mellanox.com if (qp->sq.wqe_cnt) 2098ad5f8e96Smajd@mellanox.com return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state); 2099ad5f8e96Smajd@mellanox.com 2100ad5f8e96Smajd@mellanox.com return 0; 2101ad5f8e96Smajd@mellanox.com } 2102ad5f8e96Smajd@mellanox.com 2103e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2104e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2105e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2106e126ba97SEli Cohen { 2107427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2108427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2109427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2110427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2111427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2112427c1e7bSmajd@mellanox.com }, 2113427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2114427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2115427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2116427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2117427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2118427c1e7bSmajd@mellanox.com }, 2119427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2120427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2121427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2122427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2123427c1e7bSmajd@mellanox.com }, 2124427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2125427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2126427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2127427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2128427c1e7bSmajd@mellanox.com }, 2129427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2130427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2131427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2132427c1e7bSmajd@mellanox.com }, 2133427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2134427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2135427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2136427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2137427c1e7bSmajd@mellanox.com }, 2138427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2139427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2140427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2141427c1e7bSmajd@mellanox.com } 2142427c1e7bSmajd@mellanox.com }; 2143427c1e7bSmajd@mellanox.com 2144e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2145e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 214619098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2147e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2148e126ba97SEli Cohen struct mlx5_qp_context *context; 2149e126ba97SEli Cohen struct mlx5_modify_qp_mbox_in *in; 2150e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2151e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2152e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2153e126ba97SEli Cohen int sqd_event; 2154e126ba97SEli Cohen int mlx5_st; 2155e126ba97SEli Cohen int err; 2156427c1e7bSmajd@mellanox.com u16 op; 2157e126ba97SEli Cohen 2158e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 2159e126ba97SEli Cohen if (!in) 2160e126ba97SEli Cohen return -ENOMEM; 2161e126ba97SEli Cohen 2162e126ba97SEli Cohen context = &in->ctx; 2163e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2164e126ba97SEli Cohen if (err < 0) 2165e126ba97SEli Cohen goto out; 2166e126ba97SEli Cohen 2167e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2168e126ba97SEli Cohen 2169e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2170e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2171e126ba97SEli Cohen } else { 2172e126ba97SEli Cohen switch (attr->path_mig_state) { 2173e126ba97SEli Cohen case IB_MIG_MIGRATED: 2174e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2175e126ba97SEli Cohen break; 2176e126ba97SEli Cohen case IB_MIG_REARM: 2177e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2178e126ba97SEli Cohen break; 2179e126ba97SEli Cohen case IB_MIG_ARMED: 2180e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2181e126ba97SEli Cohen break; 2182e126ba97SEli Cohen } 2183e126ba97SEli Cohen } 2184e126ba97SEli Cohen 2185e126ba97SEli Cohen if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI) { 2186e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2187e126ba97SEli Cohen } else if (ibqp->qp_type == IB_QPT_UD || 2188e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2189e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2190e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2191e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2192e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2193e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2194e126ba97SEli Cohen err = -EINVAL; 2195e126ba97SEli Cohen goto out; 2196e126ba97SEli Cohen } 2197938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2198938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2199e126ba97SEli Cohen } 2200e126ba97SEli Cohen 2201e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2202e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2203e126ba97SEli Cohen 2204e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2205e126ba97SEli Cohen context->pri_path.pkey_index = attr->pkey_index; 2206e126ba97SEli Cohen 2207e126ba97SEli Cohen /* todo implement counter_index functionality */ 2208e126ba97SEli Cohen 2209e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2210e126ba97SEli Cohen context->pri_path.port = qp->port; 2211e126ba97SEli Cohen 2212e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2213e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2214e126ba97SEli Cohen 2215e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 221675850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2217e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2218e126ba97SEli Cohen attr_mask, 0, attr); 2219e126ba97SEli Cohen if (err) 2220e126ba97SEli Cohen goto out; 2221e126ba97SEli Cohen } 2222e126ba97SEli Cohen 2223e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2224e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2225e126ba97SEli Cohen 2226e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 222775850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 222875850d0bSmajd@mellanox.com &context->alt_path, 2229e126ba97SEli Cohen attr->alt_port_num, attr_mask, 0, attr); 2230e126ba97SEli Cohen if (err) 2231e126ba97SEli Cohen goto out; 2232e126ba97SEli Cohen } 2233e126ba97SEli Cohen 2234e126ba97SEli Cohen pd = get_pd(qp); 2235e126ba97SEli Cohen get_cqs(qp, &send_cq, &recv_cq); 2236e126ba97SEli Cohen 2237e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2238e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2239e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2240e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2241e126ba97SEli Cohen 2242e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2243e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2244e126ba97SEli Cohen 2245e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2246e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2247e126ba97SEli Cohen 2248e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2249e126ba97SEli Cohen if (attr->max_rd_atomic) 2250e126ba97SEli Cohen context->params1 |= 2251e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2252e126ba97SEli Cohen } 2253e126ba97SEli Cohen 2254e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2255e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2256e126ba97SEli Cohen 2257e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2258e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2259e126ba97SEli Cohen context->params2 |= 2260e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2261e126ba97SEli Cohen } 2262e126ba97SEli Cohen 2263e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2264e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2265e126ba97SEli Cohen 2266e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2267e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2268e126ba97SEli Cohen 2269e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2270e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2271e126ba97SEli Cohen 2272e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2273e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2274e126ba97SEli Cohen 2275e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2276e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2277e126ba97SEli Cohen 2278e126ba97SEli Cohen if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD && 2279e126ba97SEli Cohen attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify) 2280e126ba97SEli Cohen sqd_event = 1; 2281e126ba97SEli Cohen else 2282e126ba97SEli Cohen sqd_event = 0; 2283e126ba97SEli Cohen 2284e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2285e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2286e126ba97SEli Cohen 2287e126ba97SEli Cohen 2288e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2289e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2290e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 229107c9113fSEli Cohen if (mlx5_st < 0) 2292e126ba97SEli Cohen goto out; 2293e126ba97SEli Cohen 22946aec21f6SHaggai Eran /* If moving to a reset or error state, we must disable page faults on 22956aec21f6SHaggai Eran * this QP and flush all current page faults. Otherwise a stale page 22966aec21f6SHaggai Eran * fault may attempt to work on this QP after it is reset and moved 22976aec21f6SHaggai Eran * again to RTS, and may cause the driver and the device to get out of 22986aec21f6SHaggai Eran * sync. */ 22996aec21f6SHaggai Eran if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR && 2300ad5f8e96Smajd@mellanox.com (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR) && 2301ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 23026aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 23036aec21f6SHaggai Eran 2304427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2305427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2306427c1e7bSmajd@mellanox.com goto out; 2307427c1e7bSmajd@mellanox.com 2308427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2309e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2310e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2311e126ba97SEli Cohen in->optparam = cpu_to_be32(optpar); 2312ad5f8e96Smajd@mellanox.com 2313ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) 2314ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, op); 2315ad5f8e96Smajd@mellanox.com else 2316427c1e7bSmajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, op, in, sqd_event, 231719098df2Smajd@mellanox.com &base->mqp); 2318e126ba97SEli Cohen if (err) 2319e126ba97SEli Cohen goto out; 2320e126ba97SEli Cohen 2321ad5f8e96Smajd@mellanox.com if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT && 2322ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 23236aec21f6SHaggai Eran mlx5_ib_qp_enable_pagefaults(qp); 23246aec21f6SHaggai Eran 2325e126ba97SEli Cohen qp->state = new_state; 2326e126ba97SEli Cohen 2327e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 232819098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2329e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 233019098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2331e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2332e126ba97SEli Cohen qp->port = attr->port_num; 2333e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 233419098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2335e126ba97SEli Cohen 2336e126ba97SEli Cohen /* 2337e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2338e126ba97SEli Cohen * entries and reinitialize the QP. 2339e126ba97SEli Cohen */ 2340e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 234119098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2342e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2343e126ba97SEli Cohen if (send_cq != recv_cq) 234419098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2345e126ba97SEli Cohen 2346e126ba97SEli Cohen qp->rq.head = 0; 2347e126ba97SEli Cohen qp->rq.tail = 0; 2348e126ba97SEli Cohen qp->sq.head = 0; 2349e126ba97SEli Cohen qp->sq.tail = 0; 2350e126ba97SEli Cohen qp->sq.cur_post = 0; 2351e126ba97SEli Cohen qp->sq.last_poll = 0; 2352e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2353e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2354e126ba97SEli Cohen } 2355e126ba97SEli Cohen 2356e126ba97SEli Cohen out: 2357e126ba97SEli Cohen kfree(in); 2358e126ba97SEli Cohen return err; 2359e126ba97SEli Cohen } 2360e126ba97SEli Cohen 2361e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2362e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2363e126ba97SEli Cohen { 2364e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2365e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2366e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2367e126ba97SEli Cohen int err = -EINVAL; 2368e126ba97SEli Cohen int port; 23692811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2370e126ba97SEli Cohen 2371e126ba97SEli Cohen mutex_lock(&qp->mutex); 2372e126ba97SEli Cohen 2373e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 2374e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 2375e126ba97SEli Cohen 23762811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 23772811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 23782811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 23792811ba51SAchiad Shochat } 23802811ba51SAchiad Shochat 2381e126ba97SEli Cohen if (ibqp->qp_type != MLX5_IB_QPT_REG_UMR && 2382dd5f03beSMatan Barak !ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask, 23832811ba51SAchiad Shochat ll)) 2384e126ba97SEli Cohen goto out; 2385e126ba97SEli Cohen 2386e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 2387938fe83cSSaeed Mahameed (attr->port_num == 0 || 2388938fe83cSSaeed Mahameed attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) 2389e126ba97SEli Cohen goto out; 2390e126ba97SEli Cohen 2391e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 2392e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 2393938fe83cSSaeed Mahameed if (attr->pkey_index >= 2394938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].pkey_table_len) 2395e126ba97SEli Cohen goto out; 2396e126ba97SEli Cohen } 2397e126ba97SEli Cohen 2398e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 2399938fe83cSSaeed Mahameed attr->max_rd_atomic > 2400938fe83cSSaeed Mahameed (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) 2401e126ba97SEli Cohen goto out; 2402e126ba97SEli Cohen 2403e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 2404938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 2405938fe83cSSaeed Mahameed (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) 2406e126ba97SEli Cohen goto out; 2407e126ba97SEli Cohen 2408e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 2409e126ba97SEli Cohen err = 0; 2410e126ba97SEli Cohen goto out; 2411e126ba97SEli Cohen } 2412e126ba97SEli Cohen 2413e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 2414e126ba97SEli Cohen 2415e126ba97SEli Cohen out: 2416e126ba97SEli Cohen mutex_unlock(&qp->mutex); 2417e126ba97SEli Cohen return err; 2418e126ba97SEli Cohen } 2419e126ba97SEli Cohen 2420e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 2421e126ba97SEli Cohen { 2422e126ba97SEli Cohen struct mlx5_ib_cq *cq; 2423e126ba97SEli Cohen unsigned cur; 2424e126ba97SEli Cohen 2425e126ba97SEli Cohen cur = wq->head - wq->tail; 2426e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 2427e126ba97SEli Cohen return 0; 2428e126ba97SEli Cohen 2429e126ba97SEli Cohen cq = to_mcq(ib_cq); 2430e126ba97SEli Cohen spin_lock(&cq->lock); 2431e126ba97SEli Cohen cur = wq->head - wq->tail; 2432e126ba97SEli Cohen spin_unlock(&cq->lock); 2433e126ba97SEli Cohen 2434e126ba97SEli Cohen return cur + nreq >= wq->max_post; 2435e126ba97SEli Cohen } 2436e126ba97SEli Cohen 2437e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 2438e126ba97SEli Cohen u64 remote_addr, u32 rkey) 2439e126ba97SEli Cohen { 2440e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 2441e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 2442e126ba97SEli Cohen rseg->reserved = 0; 2443e126ba97SEli Cohen } 2444e126ba97SEli Cohen 2445e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 2446e126ba97SEli Cohen struct ib_send_wr *wr) 2447e126ba97SEli Cohen { 2448e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 2449e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 2450e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 2451e126ba97SEli Cohen } 2452e126ba97SEli Cohen 2453e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 2454e126ba97SEli Cohen { 2455e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 2456e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 2457e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 2458e126ba97SEli Cohen } 2459e126ba97SEli Cohen 2460e126ba97SEli Cohen static __be16 get_klm_octo(int npages) 2461e126ba97SEli Cohen { 2462e126ba97SEli Cohen return cpu_to_be16(ALIGN(npages, 8) / 2); 2463e126ba97SEli Cohen } 2464e126ba97SEli Cohen 2465e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 2466e126ba97SEli Cohen { 2467e126ba97SEli Cohen u64 result; 2468e126ba97SEli Cohen 2469e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 2470e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2471e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2472e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 2473e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 2474e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2475e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2476e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2477e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2478e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2479e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 2480e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2481e126ba97SEli Cohen 2482e126ba97SEli Cohen return cpu_to_be64(result); 2483e126ba97SEli Cohen } 2484e126ba97SEli Cohen 2485e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 2486e6631814SSagi Grimberg { 2487e6631814SSagi Grimberg u64 result; 2488e6631814SSagi Grimberg 2489e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 2490e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 2491e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 2492d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 2493e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 2494e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 2495e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 2496e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 2497e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 2498e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 2499e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 2500e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 2501e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 2502e6631814SSagi Grimberg 2503e6631814SSagi Grimberg return cpu_to_be64(result); 2504e6631814SSagi Grimberg } 2505e6631814SSagi Grimberg 25068a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 25078a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 25088a187ee5SSagi Grimberg { 25098a187ee5SSagi Grimberg int ndescs = mr->ndescs; 25108a187ee5SSagi Grimberg 25118a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 25128a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 25138a187ee5SSagi Grimberg umr->klm_octowords = get_klm_octo(ndescs); 25148a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 25158a187ee5SSagi Grimberg } 25168a187ee5SSagi Grimberg 2517dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 2518e126ba97SEli Cohen { 2519e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 2520e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 2521e126ba97SEli Cohen umr->flags = 1 << 7; 2522e126ba97SEli Cohen } 2523e126ba97SEli Cohen 2524968e78ddSHaggai Eran static __be64 get_umr_reg_mr_mask(void) 2525e126ba97SEli Cohen { 2526968e78ddSHaggai Eran u64 result; 2527e126ba97SEli Cohen 2528968e78ddSHaggai Eran result = MLX5_MKEY_MASK_LEN | 2529e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2530e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2531e126ba97SEli Cohen MLX5_MKEY_MASK_PD | 2532e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2533e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2534746b5583SEli Cohen MLX5_MKEY_MASK_KEY | 2535e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2536e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2537e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2538e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2539968e78ddSHaggai Eran 2540968e78ddSHaggai Eran return cpu_to_be64(result); 2541968e78ddSHaggai Eran } 2542968e78ddSHaggai Eran 2543968e78ddSHaggai Eran static __be64 get_umr_unreg_mr_mask(void) 2544968e78ddSHaggai Eran { 2545968e78ddSHaggai Eran u64 result; 2546968e78ddSHaggai Eran 2547968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 2548968e78ddSHaggai Eran 2549968e78ddSHaggai Eran return cpu_to_be64(result); 2550968e78ddSHaggai Eran } 2551968e78ddSHaggai Eran 2552968e78ddSHaggai Eran static __be64 get_umr_update_mtt_mask(void) 2553968e78ddSHaggai Eran { 2554968e78ddSHaggai Eran u64 result; 2555968e78ddSHaggai Eran 2556968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 2557968e78ddSHaggai Eran 2558968e78ddSHaggai Eran return cpu_to_be64(result); 2559968e78ddSHaggai Eran } 2560968e78ddSHaggai Eran 2561968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 2562968e78ddSHaggai Eran struct ib_send_wr *wr) 2563968e78ddSHaggai Eran { 2564e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 2565968e78ddSHaggai Eran 2566968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 2567968e78ddSHaggai Eran 2568968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 2569968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 2570968e78ddSHaggai Eran else 2571968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 2572968e78ddSHaggai Eran 2573968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UNREG)) { 2574968e78ddSHaggai Eran umr->klm_octowords = get_klm_octo(umrwr->npages); 2575968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT) { 2576968e78ddSHaggai Eran umr->mkey_mask = get_umr_update_mtt_mask(); 2577968e78ddSHaggai Eran umr->bsf_octowords = get_klm_octo(umrwr->target.offset); 2578968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 2579e126ba97SEli Cohen } else { 2580968e78ddSHaggai Eran umr->mkey_mask = get_umr_reg_mr_mask(); 2581968e78ddSHaggai Eran } 2582968e78ddSHaggai Eran } else { 2583968e78ddSHaggai Eran umr->mkey_mask = get_umr_unreg_mr_mask(); 2584e126ba97SEli Cohen } 2585e126ba97SEli Cohen 2586e126ba97SEli Cohen if (!wr->num_sge) 2587968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 2588e126ba97SEli Cohen } 2589e126ba97SEli Cohen 2590e126ba97SEli Cohen static u8 get_umr_flags(int acc) 2591e126ba97SEli Cohen { 2592e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 2593e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 2594e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 2595e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 25962ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 2597e126ba97SEli Cohen } 2598e126ba97SEli Cohen 25998a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 26008a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 26018a187ee5SSagi Grimberg u32 key, int access) 26028a187ee5SSagi Grimberg { 26038a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 26048a187ee5SSagi Grimberg 26058a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 26068a187ee5SSagi Grimberg seg->flags = get_umr_flags(access) | MLX5_ACCESS_MODE_MTT; 26078a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 26088a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 26098a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 26108a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 26118a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 26128a187ee5SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 26138a187ee5SSagi Grimberg } 26148a187ee5SSagi Grimberg 2615dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 2616e126ba97SEli Cohen { 2617e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 2618968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 2619e126ba97SEli Cohen } 2620e126ba97SEli Cohen 2621e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 2622e126ba97SEli Cohen { 2623e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 2624968e78ddSHaggai Eran 2625e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 2626e126ba97SEli Cohen if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) { 2627968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 2628e126ba97SEli Cohen return; 2629e126ba97SEli Cohen } 2630e126ba97SEli Cohen 2631968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 2632968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT)) { 2633968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 2634968e78ddSHaggai Eran seg->start_addr = cpu_to_be64(umrwr->target.virt_addr); 2635968e78ddSHaggai Eran } 2636968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 2637968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 2638746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 2639968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 2640e126ba97SEli Cohen } 2641e126ba97SEli Cohen 26428a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 26438a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 26448a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 26458a187ee5SSagi Grimberg { 26468a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 26478a187ee5SSagi Grimberg 26488a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 26498a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 26508a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 26518a187ee5SSagi Grimberg } 26528a187ee5SSagi Grimberg 2653e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 2654e126ba97SEli Cohen { 2655e126ba97SEli Cohen switch (wr->opcode) { 2656e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 2657e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 2658e126ba97SEli Cohen return wr->ex.imm_data; 2659e126ba97SEli Cohen 2660e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 2661e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 2662e126ba97SEli Cohen 2663e126ba97SEli Cohen default: 2664e126ba97SEli Cohen return 0; 2665e126ba97SEli Cohen } 2666e126ba97SEli Cohen } 2667e126ba97SEli Cohen 2668e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 2669e126ba97SEli Cohen { 2670e126ba97SEli Cohen u8 *p = wqe; 2671e126ba97SEli Cohen u8 res = 0; 2672e126ba97SEli Cohen int i; 2673e126ba97SEli Cohen 2674e126ba97SEli Cohen for (i = 0; i < size; i++) 2675e126ba97SEli Cohen res ^= p[i]; 2676e126ba97SEli Cohen 2677e126ba97SEli Cohen return ~res; 2678e126ba97SEli Cohen } 2679e126ba97SEli Cohen 2680e126ba97SEli Cohen static u8 wq_sig(void *wqe) 2681e126ba97SEli Cohen { 2682e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 2683e126ba97SEli Cohen } 2684e126ba97SEli Cohen 2685e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 2686e126ba97SEli Cohen void *wqe, int *sz) 2687e126ba97SEli Cohen { 2688e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 2689e126ba97SEli Cohen void *qend = qp->sq.qend; 2690e126ba97SEli Cohen void *addr; 2691e126ba97SEli Cohen int inl = 0; 2692e126ba97SEli Cohen int copy; 2693e126ba97SEli Cohen int len; 2694e126ba97SEli Cohen int i; 2695e126ba97SEli Cohen 2696e126ba97SEli Cohen seg = wqe; 2697e126ba97SEli Cohen wqe += sizeof(*seg); 2698e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 2699e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 2700e126ba97SEli Cohen len = wr->sg_list[i].length; 2701e126ba97SEli Cohen inl += len; 2702e126ba97SEli Cohen 2703e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 2704e126ba97SEli Cohen return -ENOMEM; 2705e126ba97SEli Cohen 2706e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 2707e126ba97SEli Cohen copy = qend - wqe; 2708e126ba97SEli Cohen memcpy(wqe, addr, copy); 2709e126ba97SEli Cohen addr += copy; 2710e126ba97SEli Cohen len -= copy; 2711e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 2712e126ba97SEli Cohen } 2713e126ba97SEli Cohen memcpy(wqe, addr, len); 2714e126ba97SEli Cohen wqe += len; 2715e126ba97SEli Cohen } 2716e126ba97SEli Cohen 2717e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 2718e126ba97SEli Cohen 2719e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 2720e126ba97SEli Cohen 2721e126ba97SEli Cohen return 0; 2722e126ba97SEli Cohen } 2723e126ba97SEli Cohen 2724e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 2725e6631814SSagi Grimberg { 2726e6631814SSagi Grimberg switch (type) { 2727e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 2728e6631814SSagi Grimberg return MLX5_DIF_SIZE; 2729e6631814SSagi Grimberg default: 2730e6631814SSagi Grimberg return 0; 2731e6631814SSagi Grimberg } 2732e6631814SSagi Grimberg } 2733e6631814SSagi Grimberg 2734e6631814SSagi Grimberg static u8 bs_selector(int block_size) 2735e6631814SSagi Grimberg { 2736e6631814SSagi Grimberg switch (block_size) { 2737e6631814SSagi Grimberg case 512: return 0x1; 2738e6631814SSagi Grimberg case 520: return 0x2; 2739e6631814SSagi Grimberg case 4096: return 0x3; 2740e6631814SSagi Grimberg case 4160: return 0x4; 2741e6631814SSagi Grimberg case 1073741824: return 0x5; 2742e6631814SSagi Grimberg default: return 0; 2743e6631814SSagi Grimberg } 2744e6631814SSagi Grimberg } 2745e6631814SSagi Grimberg 274678eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 2747142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 2748e6631814SSagi Grimberg { 2749142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 2750142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 2751142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 2752142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 2753142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 2754142537f4SSagi Grimberg /* repeating block */ 2755142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 2756142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 2757142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 2758e6631814SSagi Grimberg 275978eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 276078eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 2761e6631814SSagi Grimberg 276278eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 276378eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 276478eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 276578eda2bbSSagi Grimberg else 276678eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 2767e6631814SSagi Grimberg } 2768e6631814SSagi Grimberg 276978eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 277078eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 2771e6631814SSagi Grimberg } 2772e6631814SSagi Grimberg 2773e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 2774e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 2775e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 2776e6631814SSagi Grimberg { 2777e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 2778e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 2779e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 2780e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 2781e6631814SSagi Grimberg 2782c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 2783e6631814SSagi Grimberg 2784142537f4SSagi Grimberg /* Basic + Extended + Inline */ 2785142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 2786e6631814SSagi Grimberg /* Input domain check byte mask */ 2787e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 278878eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 278978eda2bbSSagi Grimberg 279078eda2bbSSagi Grimberg /* Memory domain */ 279178eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 279278eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 279378eda2bbSSagi Grimberg break; 279478eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 279578eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 279678eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 279778eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 279878eda2bbSSagi Grimberg break; 279978eda2bbSSagi Grimberg default: 280078eda2bbSSagi Grimberg return -EINVAL; 280178eda2bbSSagi Grimberg } 280278eda2bbSSagi Grimberg 280378eda2bbSSagi Grimberg /* Wire domain */ 280478eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 280578eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 280678eda2bbSSagi Grimberg break; 280778eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 2808e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 280978eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 2810e6631814SSagi Grimberg /* Same block structure */ 2811142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 2812e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 2813fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 2814c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 2815fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 2816c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 2817fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 2818e6631814SSagi Grimberg } else 2819e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 2820e6631814SSagi Grimberg 2821142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 282278eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 2823e6631814SSagi Grimberg break; 2824e6631814SSagi Grimberg default: 2825e6631814SSagi Grimberg return -EINVAL; 2826e6631814SSagi Grimberg } 2827e6631814SSagi Grimberg 2828e6631814SSagi Grimberg return 0; 2829e6631814SSagi Grimberg } 2830e6631814SSagi Grimberg 2831e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 2832e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 2833e6631814SSagi Grimberg { 2834e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 2835e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 2836e6631814SSagi Grimberg struct mlx5_bsf *bsf; 2837e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 2838e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 2839e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 2840e6631814SSagi Grimberg int ret; 2841e6631814SSagi Grimberg int wqe_size; 2842e6631814SSagi Grimberg 2843e622f2f4SChristoph Hellwig if (!wr->prot || 2844e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 2845e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 2846e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 2847e6631814SSagi Grimberg /** 2848e6631814SSagi Grimberg * Source domain doesn't contain signature information 28495c273b16SSagi Grimberg * or data and protection are interleaved in memory. 2850e6631814SSagi Grimberg * So need construct: 2851e6631814SSagi Grimberg * ------------------ 2852e6631814SSagi Grimberg * | data_klm | 2853e6631814SSagi Grimberg * ------------------ 2854e6631814SSagi Grimberg * | BSF | 2855e6631814SSagi Grimberg * ------------------ 2856e6631814SSagi Grimberg **/ 2857e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 2858e6631814SSagi Grimberg 2859e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 2860e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 2861e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 2862e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 2863e6631814SSagi Grimberg } else { 2864e6631814SSagi Grimberg /** 2865e6631814SSagi Grimberg * Source domain contains signature information 2866e6631814SSagi Grimberg * So need construct a strided block format: 2867e6631814SSagi Grimberg * --------------------------- 2868e6631814SSagi Grimberg * | stride_block_ctrl | 2869e6631814SSagi Grimberg * --------------------------- 2870e6631814SSagi Grimberg * | data_klm | 2871e6631814SSagi Grimberg * --------------------------- 2872e6631814SSagi Grimberg * | prot_klm | 2873e6631814SSagi Grimberg * --------------------------- 2874e6631814SSagi Grimberg * | BSF | 2875e6631814SSagi Grimberg * --------------------------- 2876e6631814SSagi Grimberg **/ 2877e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 2878e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 2879e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 2880e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 2881e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 2882e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 2883e6631814SSagi Grimberg int prot_size; 2884e6631814SSagi Grimberg 2885e6631814SSagi Grimberg sblock_ctrl = *seg; 2886e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 2887e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 2888e6631814SSagi Grimberg 2889e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 2890e6631814SSagi Grimberg if (!prot_size) { 2891e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 2892e6631814SSagi Grimberg return -EINVAL; 2893e6631814SSagi Grimberg } 2894e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 2895e6631814SSagi Grimberg prot_size); 2896e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 2897e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 2898e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 2899e6631814SSagi Grimberg 2900e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 2901e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 2902e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 29035c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 29045c273b16SSagi Grimberg 2905e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 2906e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 2907e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 2908e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 29095c273b16SSagi Grimberg 2910e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 2911e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 2912e6631814SSagi Grimberg } 2913e6631814SSagi Grimberg 2914e6631814SSagi Grimberg *seg += wqe_size; 2915e6631814SSagi Grimberg *size += wqe_size / 16; 2916e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 2917e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 2918e6631814SSagi Grimberg 2919e6631814SSagi Grimberg bsf = *seg; 2920e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 2921e6631814SSagi Grimberg if (ret) 2922e6631814SSagi Grimberg return -EINVAL; 2923e6631814SSagi Grimberg 2924e6631814SSagi Grimberg *seg += sizeof(*bsf); 2925e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 2926e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 2927e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 2928e6631814SSagi Grimberg 2929e6631814SSagi Grimberg return 0; 2930e6631814SSagi Grimberg } 2931e6631814SSagi Grimberg 2932e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 2933e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr, u32 nelements, 2934e6631814SSagi Grimberg u32 length, u32 pdn) 2935e6631814SSagi Grimberg { 2936e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 2937e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 2938d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 2939e6631814SSagi Grimberg 2940e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 2941e6631814SSagi Grimberg 2942e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 2943e6631814SSagi Grimberg MLX5_ACCESS_MODE_KLM; 2944e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 2945d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 2946e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 2947e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 2948e6631814SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements))); 2949e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 2950e6631814SSagi Grimberg } 2951e6631814SSagi Grimberg 2952e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 2953e622f2f4SChristoph Hellwig u32 nelements) 2954e6631814SSagi Grimberg { 2955e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 2956e6631814SSagi Grimberg 2957e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 2958e6631814SSagi Grimberg umr->klm_octowords = get_klm_octo(nelements); 2959e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 2960e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 2961e6631814SSagi Grimberg } 2962e6631814SSagi Grimberg 2963e6631814SSagi Grimberg 2964e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 2965e6631814SSagi Grimberg void **seg, int *size) 2966e6631814SSagi Grimberg { 2967e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 2968e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 2969e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 2970e6631814SSagi Grimberg u32 klm_oct_size; 2971e6631814SSagi Grimberg int region_len, ret; 2972e6631814SSagi Grimberg 2973e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 2974e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 2975d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 2976d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 2977e6631814SSagi Grimberg return -EINVAL; 2978e6631814SSagi Grimberg 2979e6631814SSagi Grimberg /* length of the protected region, data + protection */ 2980e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 2981e622f2f4SChristoph Hellwig if (wr->prot && 2982e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 2983e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 2984e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 2985e622f2f4SChristoph Hellwig region_len += wr->prot->length; 2986e6631814SSagi Grimberg 2987e6631814SSagi Grimberg /** 2988e6631814SSagi Grimberg * KLM octoword size - if protection was provided 2989e6631814SSagi Grimberg * then we use strided block format (3 octowords), 2990e6631814SSagi Grimberg * else we use single KLM (1 octoword) 2991e6631814SSagi Grimberg **/ 2992e622f2f4SChristoph Hellwig klm_oct_size = wr->prot ? 3 : 1; 2993e6631814SSagi Grimberg 2994e622f2f4SChristoph Hellwig set_sig_umr_segment(*seg, klm_oct_size); 2995e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 2996e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 2997e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 2998e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 2999e6631814SSagi Grimberg 3000e6631814SSagi Grimberg set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn); 3001e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3002e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3003e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3004e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3005e6631814SSagi Grimberg 3006e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3007e6631814SSagi Grimberg if (ret) 3008e6631814SSagi Grimberg return ret; 3009e6631814SSagi Grimberg 3010d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3011e6631814SSagi Grimberg return 0; 3012e6631814SSagi Grimberg } 3013e6631814SSagi Grimberg 3014e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3015e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3016e6631814SSagi Grimberg { 3017e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3018e6631814SSagi Grimberg 3019e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3020e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3021e6631814SSagi Grimberg switch (domain->sig_type) { 302278eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 302378eda2bbSSagi Grimberg break; 3024e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3025e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3026e6631814SSagi Grimberg domain->sig.dif.app_tag); 3027e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3028e6631814SSagi Grimberg break; 3029e6631814SSagi Grimberg default: 3030e6631814SSagi Grimberg pr_err("Bad signature type given.\n"); 3031e6631814SSagi Grimberg return 1; 3032e6631814SSagi Grimberg } 3033e6631814SSagi Grimberg 303478eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 303578eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 303678eda2bbSSagi Grimberg 3037e6631814SSagi Grimberg return 0; 3038e6631814SSagi Grimberg } 3039e6631814SSagi Grimberg 30408a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 30418a187ee5SSagi Grimberg struct ib_reg_wr *wr, 30428a187ee5SSagi Grimberg void **seg, int *size) 30438a187ee5SSagi Grimberg { 30448a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 30458a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 30468a187ee5SSagi Grimberg 30478a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 30488a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 30498a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 30508a187ee5SSagi Grimberg return -EINVAL; 30518a187ee5SSagi Grimberg } 30528a187ee5SSagi Grimberg 30538a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 30548a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 30558a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 30568a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 30578a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 30588a187ee5SSagi Grimberg 30598a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 30608a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 30618a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 30628a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 30638a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 30648a187ee5SSagi Grimberg 30658a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 30668a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 30678a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 30688a187ee5SSagi Grimberg 30698a187ee5SSagi Grimberg return 0; 30708a187ee5SSagi Grimberg } 30718a187ee5SSagi Grimberg 3072dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3073e126ba97SEli Cohen { 3074dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3075e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3076e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3077e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3078e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3079dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3080e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3081e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3082e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3083e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3084e126ba97SEli Cohen } 3085e126ba97SEli Cohen 3086e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3087e126ba97SEli Cohen { 3088e126ba97SEli Cohen __be32 *p = NULL; 3089e126ba97SEli Cohen int tidx = idx; 3090e126ba97SEli Cohen int i, j; 3091e126ba97SEli Cohen 3092e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3093e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3094e126ba97SEli Cohen if ((i & 0xf) == 0) { 3095e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3096e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3097e126ba97SEli Cohen p = buf; 3098e126ba97SEli Cohen j = 0; 3099e126ba97SEli Cohen } 3100e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3101e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3102e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3103e126ba97SEli Cohen } 3104e126ba97SEli Cohen } 3105e126ba97SEli Cohen 3106e126ba97SEli Cohen static void mlx5_bf_copy(u64 __iomem *dst, u64 *src, 3107e126ba97SEli Cohen unsigned bytecnt, struct mlx5_ib_qp *qp) 3108e126ba97SEli Cohen { 3109e126ba97SEli Cohen while (bytecnt > 0) { 3110e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3111e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3112e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3113e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3114e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3115e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3116e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3117e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3118e126ba97SEli Cohen bytecnt -= 64; 3119e126ba97SEli Cohen if (unlikely(src == qp->sq.qend)) 3120e126ba97SEli Cohen src = mlx5_get_send_wqe(qp, 0); 3121e126ba97SEli Cohen } 3122e126ba97SEli Cohen } 3123e126ba97SEli Cohen 3124e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr) 3125e126ba97SEli Cohen { 3126e126ba97SEli Cohen if (unlikely(wr->opcode == IB_WR_LOCAL_INV && 3127e126ba97SEli Cohen wr->send_flags & IB_SEND_FENCE)) 3128e126ba97SEli Cohen return MLX5_FENCE_MODE_STRONG_ORDERING; 3129e126ba97SEli Cohen 3130e126ba97SEli Cohen if (unlikely(fence)) { 3131e126ba97SEli Cohen if (wr->send_flags & IB_SEND_FENCE) 3132e126ba97SEli Cohen return MLX5_FENCE_MODE_SMALL_AND_FENCE; 3133e126ba97SEli Cohen else 3134e126ba97SEli Cohen return fence; 3135e126ba97SEli Cohen 3136e126ba97SEli Cohen } else { 3137e126ba97SEli Cohen return 0; 3138e126ba97SEli Cohen } 3139e126ba97SEli Cohen } 3140e126ba97SEli Cohen 31416e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 31426e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 31436a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 31446e5eadacSSagi Grimberg int *size, int nreq) 31456e5eadacSSagi Grimberg { 31466e5eadacSSagi Grimberg int err = 0; 31476e5eadacSSagi Grimberg 31486e5eadacSSagi Grimberg if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) { 31496e5eadacSSagi Grimberg err = -ENOMEM; 31506e5eadacSSagi Grimberg return err; 31516e5eadacSSagi Grimberg } 31526e5eadacSSagi Grimberg 31536e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 31546e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 31556e5eadacSSagi Grimberg *ctrl = *seg; 31566e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 31576e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 31586e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 31596e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 31606e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 31616e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 31626e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 31636e5eadacSSagi Grimberg 31646e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 31656e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 31666e5eadacSSagi Grimberg 31676e5eadacSSagi Grimberg return err; 31686e5eadacSSagi Grimberg } 31696e5eadacSSagi Grimberg 31706e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 31716e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 31726e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 31736e5eadacSSagi Grimberg int nreq, u8 fence, u8 next_fence, 31746e5eadacSSagi Grimberg u32 mlx5_opcode) 31756e5eadacSSagi Grimberg { 31766e5eadacSSagi Grimberg u8 opmod = 0; 31776e5eadacSSagi Grimberg 31786e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 31796e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 318019098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 31816e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 31826e5eadacSSagi Grimberg qp->fm_cache = next_fence; 31836e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 31846e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 31856e5eadacSSagi Grimberg 31866e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 31876e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 31886e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 31896e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 31906e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 31916e5eadacSSagi Grimberg } 31926e5eadacSSagi Grimberg 31936e5eadacSSagi Grimberg 3194e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3195e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3196e126ba97SEli Cohen { 3197e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3198e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3199e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 3200e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3201e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3202e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3203e126ba97SEli Cohen struct mlx5_bf *bf = qp->bf; 3204e126ba97SEli Cohen int uninitialized_var(size); 3205e126ba97SEli Cohen void *qend = qp->sq.qend; 3206e126ba97SEli Cohen unsigned long flags; 3207e126ba97SEli Cohen unsigned idx; 3208e126ba97SEli Cohen int err = 0; 3209e126ba97SEli Cohen int inl = 0; 3210e126ba97SEli Cohen int num_sge; 3211e126ba97SEli Cohen void *seg; 3212e126ba97SEli Cohen int nreq; 3213e126ba97SEli Cohen int i; 3214e126ba97SEli Cohen u8 next_fence = 0; 3215e126ba97SEli Cohen u8 fence; 3216e126ba97SEli Cohen 3217e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3218e126ba97SEli Cohen 3219e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3220a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3221e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3222e126ba97SEli Cohen err = -EINVAL; 3223e126ba97SEli Cohen *bad_wr = wr; 3224e126ba97SEli Cohen goto out; 3225e126ba97SEli Cohen } 3226e126ba97SEli Cohen 3227e126ba97SEli Cohen fence = qp->fm_cache; 3228e126ba97SEli Cohen num_sge = wr->num_sge; 3229e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3230e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3231e126ba97SEli Cohen err = -ENOMEM; 3232e126ba97SEli Cohen *bad_wr = wr; 3233e126ba97SEli Cohen goto out; 3234e126ba97SEli Cohen } 3235e126ba97SEli Cohen 32366e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 32376e5eadacSSagi Grimberg if (err) { 32386e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 32396e5eadacSSagi Grimberg err = -ENOMEM; 32406e5eadacSSagi Grimberg *bad_wr = wr; 32416e5eadacSSagi Grimberg goto out; 32426e5eadacSSagi Grimberg } 3243e126ba97SEli Cohen 3244e126ba97SEli Cohen switch (ibqp->qp_type) { 3245e126ba97SEli Cohen case IB_QPT_XRC_INI: 3246e126ba97SEli Cohen xrc = seg; 3247e126ba97SEli Cohen seg += sizeof(*xrc); 3248e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3249e126ba97SEli Cohen /* fall through */ 3250e126ba97SEli Cohen case IB_QPT_RC: 3251e126ba97SEli Cohen switch (wr->opcode) { 3252e126ba97SEli Cohen case IB_WR_RDMA_READ: 3253e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3254e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3255e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3256e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3257e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3258e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3259e126ba97SEli Cohen break; 3260e126ba97SEli Cohen 3261e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3262e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3263e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 326481bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 326581bea28fSEli Cohen err = -ENOSYS; 326681bea28fSEli Cohen *bad_wr = wr; 326781bea28fSEli Cohen goto out; 3268e126ba97SEli Cohen 3269e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3270e126ba97SEli Cohen next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3271e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3272e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3273dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3274e126ba97SEli Cohen num_sge = 0; 3275e126ba97SEli Cohen break; 3276e126ba97SEli Cohen 32778a187ee5SSagi Grimberg case IB_WR_REG_MR: 32788a187ee5SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 32798a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 32808a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 32818a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 32828a187ee5SSagi Grimberg if (err) { 32838a187ee5SSagi Grimberg *bad_wr = wr; 32848a187ee5SSagi Grimberg goto out; 32858a187ee5SSagi Grimberg } 32868a187ee5SSagi Grimberg num_sge = 0; 32878a187ee5SSagi Grimberg break; 32888a187ee5SSagi Grimberg 3289e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 3290e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 3291e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 3292e6631814SSagi Grimberg 3293e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 3294e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 3295e6631814SSagi Grimberg if (err) { 3296e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3297e6631814SSagi Grimberg *bad_wr = wr; 3298e6631814SSagi Grimberg goto out; 3299e6631814SSagi Grimberg } 3300e6631814SSagi Grimberg 3301e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3302e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3303e6631814SSagi Grimberg next_fence, MLX5_OPCODE_UMR); 3304e6631814SSagi Grimberg /* 3305e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 3306e6631814SSagi Grimberg * on error 3307e6631814SSagi Grimberg */ 3308e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 3309e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 3310e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3311e6631814SSagi Grimberg &idx, &size, nreq); 3312e6631814SSagi Grimberg if (err) { 3313e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3314e6631814SSagi Grimberg err = -ENOMEM; 3315e6631814SSagi Grimberg *bad_wr = wr; 3316e6631814SSagi Grimberg goto out; 3317e6631814SSagi Grimberg } 3318e6631814SSagi Grimberg 3319e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 3320e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 3321e6631814SSagi Grimberg &size); 3322e6631814SSagi Grimberg if (err) { 3323e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3324e6631814SSagi Grimberg *bad_wr = wr; 3325e6631814SSagi Grimberg goto out; 3326e6631814SSagi Grimberg } 3327e6631814SSagi Grimberg 3328e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3329e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3330e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3331e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3332e6631814SSagi Grimberg &idx, &size, nreq); 3333e6631814SSagi Grimberg if (err) { 3334e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3335e6631814SSagi Grimberg err = -ENOMEM; 3336e6631814SSagi Grimberg *bad_wr = wr; 3337e6631814SSagi Grimberg goto out; 3338e6631814SSagi Grimberg } 3339e6631814SSagi Grimberg 3340e6631814SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3341e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 3342e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 3343e6631814SSagi Grimberg &size); 3344e6631814SSagi Grimberg if (err) { 3345e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3346e6631814SSagi Grimberg *bad_wr = wr; 3347e6631814SSagi Grimberg goto out; 3348e6631814SSagi Grimberg } 3349e6631814SSagi Grimberg 3350e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3351e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3352e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3353e6631814SSagi Grimberg num_sge = 0; 3354e6631814SSagi Grimberg goto skip_psv; 3355e6631814SSagi Grimberg 3356e126ba97SEli Cohen default: 3357e126ba97SEli Cohen break; 3358e126ba97SEli Cohen } 3359e126ba97SEli Cohen break; 3360e126ba97SEli Cohen 3361e126ba97SEli Cohen case IB_QPT_UC: 3362e126ba97SEli Cohen switch (wr->opcode) { 3363e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3364e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3365e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3366e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3367e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3368e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3369e126ba97SEli Cohen break; 3370e126ba97SEli Cohen 3371e126ba97SEli Cohen default: 3372e126ba97SEli Cohen break; 3373e126ba97SEli Cohen } 3374e126ba97SEli Cohen break; 3375e126ba97SEli Cohen 3376e126ba97SEli Cohen case IB_QPT_UD: 3377e126ba97SEli Cohen case IB_QPT_SMI: 3378e126ba97SEli Cohen case IB_QPT_GSI: 3379e126ba97SEli Cohen set_datagram_seg(seg, wr); 3380e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 3381e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3382e126ba97SEli Cohen if (unlikely((seg == qend))) 3383e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3384e126ba97SEli Cohen break; 3385e126ba97SEli Cohen 3386e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 3387e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 3388e126ba97SEli Cohen err = -EINVAL; 3389e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 3390e126ba97SEli Cohen goto out; 3391e126ba97SEli Cohen } 3392e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 3393e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 3394e126ba97SEli Cohen set_reg_umr_segment(seg, wr); 3395e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3396e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3397e126ba97SEli Cohen if (unlikely((seg == qend))) 3398e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3399e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 3400e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 3401e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 3402e126ba97SEli Cohen if (unlikely((seg == qend))) 3403e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3404e126ba97SEli Cohen break; 3405e126ba97SEli Cohen 3406e126ba97SEli Cohen default: 3407e126ba97SEli Cohen break; 3408e126ba97SEli Cohen } 3409e126ba97SEli Cohen 3410e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 3411e126ba97SEli Cohen int uninitialized_var(sz); 3412e126ba97SEli Cohen 3413e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 3414e126ba97SEli Cohen if (unlikely(err)) { 3415e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3416e126ba97SEli Cohen *bad_wr = wr; 3417e126ba97SEli Cohen goto out; 3418e126ba97SEli Cohen } 3419e126ba97SEli Cohen inl = 1; 3420e126ba97SEli Cohen size += sz; 3421e126ba97SEli Cohen } else { 3422e126ba97SEli Cohen dpseg = seg; 3423e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 3424e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 3425e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3426e126ba97SEli Cohen dpseg = seg; 3427e126ba97SEli Cohen } 3428e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 3429e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 3430e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 3431e126ba97SEli Cohen dpseg++; 3432e126ba97SEli Cohen } 3433e126ba97SEli Cohen } 3434e126ba97SEli Cohen } 3435e126ba97SEli Cohen 34366e5eadacSSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 34376e5eadacSSagi Grimberg get_fence(fence, wr), next_fence, 34386e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 3439e6631814SSagi Grimberg skip_psv: 3440e126ba97SEli Cohen if (0) 3441e126ba97SEli Cohen dump_wqe(qp, idx, size); 3442e126ba97SEli Cohen } 3443e126ba97SEli Cohen 3444e126ba97SEli Cohen out: 3445e126ba97SEli Cohen if (likely(nreq)) { 3446e126ba97SEli Cohen qp->sq.head += nreq; 3447e126ba97SEli Cohen 3448e126ba97SEli Cohen /* Make sure that descriptors are written before 3449e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 3450e126ba97SEli Cohen */ 3451e126ba97SEli Cohen wmb(); 3452e126ba97SEli Cohen 3453e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 3454e126ba97SEli Cohen 3455ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 3456ada388f7SEli Cohen * we hit doorbell */ 3457ada388f7SEli Cohen wmb(); 3458ada388f7SEli Cohen 3459e126ba97SEli Cohen if (bf->need_lock) 3460e126ba97SEli Cohen spin_lock(&bf->lock); 34616a4f139aSEli Cohen else 34626a4f139aSEli Cohen __acquire(&bf->lock); 3463e126ba97SEli Cohen 3464e126ba97SEli Cohen /* TBD enable WC */ 3465e126ba97SEli Cohen if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) { 3466e126ba97SEli Cohen mlx5_bf_copy(bf->reg + bf->offset, (u64 *)ctrl, ALIGN(size * 16, 64), qp); 3467e126ba97SEli Cohen /* wc_wmb(); */ 3468e126ba97SEli Cohen } else { 3469e126ba97SEli Cohen mlx5_write64((__be32 *)ctrl, bf->regreg + bf->offset, 3470e126ba97SEli Cohen MLX5_GET_DOORBELL_LOCK(&bf->lock32)); 3471e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 3472e126ba97SEli Cohen * and reach the HCA out of order. 3473e126ba97SEli Cohen */ 3474e126ba97SEli Cohen mmiowb(); 3475e126ba97SEli Cohen } 3476e126ba97SEli Cohen bf->offset ^= bf->buf_size; 3477e126ba97SEli Cohen if (bf->need_lock) 3478e126ba97SEli Cohen spin_unlock(&bf->lock); 34796a4f139aSEli Cohen else 34806a4f139aSEli Cohen __release(&bf->lock); 3481e126ba97SEli Cohen } 3482e126ba97SEli Cohen 3483e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 3484e126ba97SEli Cohen 3485e126ba97SEli Cohen return err; 3486e126ba97SEli Cohen } 3487e126ba97SEli Cohen 3488e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 3489e126ba97SEli Cohen { 3490e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 3491e126ba97SEli Cohen } 3492e126ba97SEli Cohen 3493e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 3494e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 3495e126ba97SEli Cohen { 3496e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 3497e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 3498e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 3499e126ba97SEli Cohen unsigned long flags; 3500e126ba97SEli Cohen int err = 0; 3501e126ba97SEli Cohen int nreq; 3502e126ba97SEli Cohen int ind; 3503e126ba97SEli Cohen int i; 3504e126ba97SEli Cohen 3505e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 3506e126ba97SEli Cohen 3507e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 3508e126ba97SEli Cohen 3509e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3510e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 3511e126ba97SEli Cohen err = -ENOMEM; 3512e126ba97SEli Cohen *bad_wr = wr; 3513e126ba97SEli Cohen goto out; 3514e126ba97SEli Cohen } 3515e126ba97SEli Cohen 3516e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 3517e126ba97SEli Cohen err = -EINVAL; 3518e126ba97SEli Cohen *bad_wr = wr; 3519e126ba97SEli Cohen goto out; 3520e126ba97SEli Cohen } 3521e126ba97SEli Cohen 3522e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 3523e126ba97SEli Cohen if (qp->wq_sig) 3524e126ba97SEli Cohen scat++; 3525e126ba97SEli Cohen 3526e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 3527e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 3528e126ba97SEli Cohen 3529e126ba97SEli Cohen if (i < qp->rq.max_gs) { 3530e126ba97SEli Cohen scat[i].byte_count = 0; 3531e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 3532e126ba97SEli Cohen scat[i].addr = 0; 3533e126ba97SEli Cohen } 3534e126ba97SEli Cohen 3535e126ba97SEli Cohen if (qp->wq_sig) { 3536e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 3537e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 3538e126ba97SEli Cohen } 3539e126ba97SEli Cohen 3540e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 3541e126ba97SEli Cohen 3542e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 3543e126ba97SEli Cohen } 3544e126ba97SEli Cohen 3545e126ba97SEli Cohen out: 3546e126ba97SEli Cohen if (likely(nreq)) { 3547e126ba97SEli Cohen qp->rq.head += nreq; 3548e126ba97SEli Cohen 3549e126ba97SEli Cohen /* Make sure that descriptors are written before 3550e126ba97SEli Cohen * doorbell record. 3551e126ba97SEli Cohen */ 3552e126ba97SEli Cohen wmb(); 3553e126ba97SEli Cohen 3554e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 3555e126ba97SEli Cohen } 3556e126ba97SEli Cohen 3557e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 3558e126ba97SEli Cohen 3559e126ba97SEli Cohen return err; 3560e126ba97SEli Cohen } 3561e126ba97SEli Cohen 3562e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 3563e126ba97SEli Cohen { 3564e126ba97SEli Cohen switch (mlx5_state) { 3565e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 3566e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 3567e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 3568e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 3569e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 3570e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 3571e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 3572e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 3573e126ba97SEli Cohen default: return -1; 3574e126ba97SEli Cohen } 3575e126ba97SEli Cohen } 3576e126ba97SEli Cohen 3577e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 3578e126ba97SEli Cohen { 3579e126ba97SEli Cohen switch (mlx5_mig_state) { 3580e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 3581e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 3582e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 3583e126ba97SEli Cohen default: return -1; 3584e126ba97SEli Cohen } 3585e126ba97SEli Cohen } 3586e126ba97SEli Cohen 3587e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 3588e126ba97SEli Cohen { 3589e126ba97SEli Cohen int ib_flags = 0; 3590e126ba97SEli Cohen 3591e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 3592e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 3593e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 3594e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 3595e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 3596e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 3597e126ba97SEli Cohen 3598e126ba97SEli Cohen return ib_flags; 3599e126ba97SEli Cohen } 3600e126ba97SEli Cohen 3601e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, 3602e126ba97SEli Cohen struct mlx5_qp_path *path) 3603e126ba97SEli Cohen { 36049603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 3605e126ba97SEli Cohen 3606e126ba97SEli Cohen memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); 3607e126ba97SEli Cohen ib_ah_attr->port_num = path->port; 3608e126ba97SEli Cohen 3609c7a08ac7SEli Cohen if (ib_ah_attr->port_num == 0 || 3610938fe83cSSaeed Mahameed ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) 3611e126ba97SEli Cohen return; 3612e126ba97SEli Cohen 36132811ba51SAchiad Shochat ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; 3614e126ba97SEli Cohen 3615e126ba97SEli Cohen ib_ah_attr->dlid = be16_to_cpu(path->rlid); 3616e126ba97SEli Cohen ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; 3617e126ba97SEli Cohen ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; 3618e126ba97SEli Cohen ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; 3619e126ba97SEli Cohen if (ib_ah_attr->ah_flags) { 3620e126ba97SEli Cohen ib_ah_attr->grh.sgid_index = path->mgid_index; 3621e126ba97SEli Cohen ib_ah_attr->grh.hop_limit = path->hop_limit; 3622e126ba97SEli Cohen ib_ah_attr->grh.traffic_class = 3623e126ba97SEli Cohen (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; 3624e126ba97SEli Cohen ib_ah_attr->grh.flow_label = 3625e126ba97SEli Cohen be32_to_cpu(path->tclass_flowlabel) & 0xfffff; 3626e126ba97SEli Cohen memcpy(ib_ah_attr->grh.dgid.raw, 3627e126ba97SEli Cohen path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); 3628e126ba97SEli Cohen } 3629e126ba97SEli Cohen } 3630e126ba97SEli Cohen 36316d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 36326d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 36336d2f89dfSmajd@mellanox.com u8 *sq_state) 3634e126ba97SEli Cohen { 36356d2f89dfSmajd@mellanox.com void *out; 36366d2f89dfSmajd@mellanox.com void *sqc; 36376d2f89dfSmajd@mellanox.com int inlen; 36386d2f89dfSmajd@mellanox.com int err; 36396d2f89dfSmajd@mellanox.com 36406d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 36416d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 36426d2f89dfSmajd@mellanox.com if (!out) 36436d2f89dfSmajd@mellanox.com return -ENOMEM; 36446d2f89dfSmajd@mellanox.com 36456d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 36466d2f89dfSmajd@mellanox.com if (err) 36476d2f89dfSmajd@mellanox.com goto out; 36486d2f89dfSmajd@mellanox.com 36496d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 36506d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 36516d2f89dfSmajd@mellanox.com sq->state = *sq_state; 36526d2f89dfSmajd@mellanox.com 36536d2f89dfSmajd@mellanox.com out: 36546d2f89dfSmajd@mellanox.com kvfree(out); 36556d2f89dfSmajd@mellanox.com return err; 36566d2f89dfSmajd@mellanox.com } 36576d2f89dfSmajd@mellanox.com 36586d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 36596d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 36606d2f89dfSmajd@mellanox.com u8 *rq_state) 36616d2f89dfSmajd@mellanox.com { 36626d2f89dfSmajd@mellanox.com void *out; 36636d2f89dfSmajd@mellanox.com void *rqc; 36646d2f89dfSmajd@mellanox.com int inlen; 36656d2f89dfSmajd@mellanox.com int err; 36666d2f89dfSmajd@mellanox.com 36676d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 36686d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 36696d2f89dfSmajd@mellanox.com if (!out) 36706d2f89dfSmajd@mellanox.com return -ENOMEM; 36716d2f89dfSmajd@mellanox.com 36726d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 36736d2f89dfSmajd@mellanox.com if (err) 36746d2f89dfSmajd@mellanox.com goto out; 36756d2f89dfSmajd@mellanox.com 36766d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 36776d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 36786d2f89dfSmajd@mellanox.com rq->state = *rq_state; 36796d2f89dfSmajd@mellanox.com 36806d2f89dfSmajd@mellanox.com out: 36816d2f89dfSmajd@mellanox.com kvfree(out); 36826d2f89dfSmajd@mellanox.com return err; 36836d2f89dfSmajd@mellanox.com } 36846d2f89dfSmajd@mellanox.com 36856d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 36866d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 36876d2f89dfSmajd@mellanox.com { 36886d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 36896d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 36906d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 36916d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 36926d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 36936d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 36946d2f89dfSmajd@mellanox.com }, 36956d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 36966d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 36976d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 36986d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 36996d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 37006d2f89dfSmajd@mellanox.com }, 37016d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 37026d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 37036d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 37046d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 37056d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 37066d2f89dfSmajd@mellanox.com }, 37076d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 37086d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 37096d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 37106d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 37116d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 37126d2f89dfSmajd@mellanox.com }, 37136d2f89dfSmajd@mellanox.com }; 37146d2f89dfSmajd@mellanox.com 37156d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 37166d2f89dfSmajd@mellanox.com 37176d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 37186d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 37196d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 37206d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 37216d2f89dfSmajd@mellanox.com return -EINVAL; 37226d2f89dfSmajd@mellanox.com } 37236d2f89dfSmajd@mellanox.com 37246d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 37256d2f89dfSmajd@mellanox.com *qp_state = qp->state; 37266d2f89dfSmajd@mellanox.com 37276d2f89dfSmajd@mellanox.com return 0; 37286d2f89dfSmajd@mellanox.com } 37296d2f89dfSmajd@mellanox.com 37306d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 37316d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 37326d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 37336d2f89dfSmajd@mellanox.com { 37346d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 37356d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 37366d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 37376d2f89dfSmajd@mellanox.com int err; 37386d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 37396d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 37406d2f89dfSmajd@mellanox.com 37416d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 37426d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 37436d2f89dfSmajd@mellanox.com if (err) 37446d2f89dfSmajd@mellanox.com return err; 37456d2f89dfSmajd@mellanox.com } 37466d2f89dfSmajd@mellanox.com 37476d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 37486d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 37496d2f89dfSmajd@mellanox.com if (err) 37506d2f89dfSmajd@mellanox.com return err; 37516d2f89dfSmajd@mellanox.com } 37526d2f89dfSmajd@mellanox.com 37536d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 37546d2f89dfSmajd@mellanox.com raw_packet_qp_state); 37556d2f89dfSmajd@mellanox.com } 37566d2f89dfSmajd@mellanox.com 37576d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 37586d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 37596d2f89dfSmajd@mellanox.com { 3760e126ba97SEli Cohen struct mlx5_query_qp_mbox_out *outb; 3761e126ba97SEli Cohen struct mlx5_qp_context *context; 3762e126ba97SEli Cohen int mlx5_state; 3763e126ba97SEli Cohen int err = 0; 3764e126ba97SEli Cohen 3765e126ba97SEli Cohen outb = kzalloc(sizeof(*outb), GFP_KERNEL); 37666d2f89dfSmajd@mellanox.com if (!outb) 37676d2f89dfSmajd@mellanox.com return -ENOMEM; 37686d2f89dfSmajd@mellanox.com 3769e126ba97SEli Cohen context = &outb->ctx; 377019098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 377119098df2Smajd@mellanox.com sizeof(*outb)); 3772e126ba97SEli Cohen if (err) 37736d2f89dfSmajd@mellanox.com goto out; 3774e126ba97SEli Cohen 3775e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 3776e126ba97SEli Cohen 3777e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 3778e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 3779e126ba97SEli Cohen qp_attr->path_mig_state = 3780e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 3781e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 3782e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 3783e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 3784e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 3785e126ba97SEli Cohen qp_attr->qp_access_flags = 3786e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 3787e126ba97SEli Cohen 3788e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 3789e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 3790e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 3791e126ba97SEli Cohen qp_attr->alt_pkey_index = context->alt_path.pkey_index & 0x7f; 3792e126ba97SEli Cohen qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; 3793e126ba97SEli Cohen } 3794e126ba97SEli Cohen 3795e126ba97SEli Cohen qp_attr->pkey_index = context->pri_path.pkey_index & 0x7f; 3796e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 3797e126ba97SEli Cohen 3798e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 3799e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 3800e126ba97SEli Cohen 3801e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 3802e126ba97SEli Cohen 3803e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 3804e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 3805e126ba97SEli Cohen qp_attr->min_rnr_timer = 3806e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 3807e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 3808e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 3809e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 3810e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 38116d2f89dfSmajd@mellanox.com 38126d2f89dfSmajd@mellanox.com out: 38136d2f89dfSmajd@mellanox.com kfree(outb); 38146d2f89dfSmajd@mellanox.com return err; 38156d2f89dfSmajd@mellanox.com } 38166d2f89dfSmajd@mellanox.com 38176d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 38186d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 38196d2f89dfSmajd@mellanox.com { 38206d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 38216d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 38226d2f89dfSmajd@mellanox.com int err = 0; 38236d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 38246d2f89dfSmajd@mellanox.com 38256d2f89dfSmajd@mellanox.com #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 38266d2f89dfSmajd@mellanox.com /* 38276d2f89dfSmajd@mellanox.com * Wait for any outstanding page faults, in case the user frees memory 38286d2f89dfSmajd@mellanox.com * based upon this query's result. 38296d2f89dfSmajd@mellanox.com */ 38306d2f89dfSmajd@mellanox.com flush_workqueue(mlx5_ib_page_fault_wq); 38316d2f89dfSmajd@mellanox.com #endif 38326d2f89dfSmajd@mellanox.com 38336d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 38346d2f89dfSmajd@mellanox.com 38356d2f89dfSmajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 38366d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 38376d2f89dfSmajd@mellanox.com if (err) 38386d2f89dfSmajd@mellanox.com goto out; 38396d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 38406d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 38416d2f89dfSmajd@mellanox.com } else { 38426d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 38436d2f89dfSmajd@mellanox.com if (err) 38446d2f89dfSmajd@mellanox.com goto out; 38456d2f89dfSmajd@mellanox.com } 38466d2f89dfSmajd@mellanox.com 38476d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 3848e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 3849e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 3850e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 3851e126ba97SEli Cohen 3852e126ba97SEli Cohen if (!ibqp->uobject) { 3853e126ba97SEli Cohen qp_attr->cap.max_send_wr = qp->sq.wqe_cnt; 3854e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 3855e126ba97SEli Cohen } else { 3856e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 3857e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 3858e126ba97SEli Cohen } 3859e126ba97SEli Cohen 3860e126ba97SEli Cohen /* We don't support inline sends for kernel QPs (yet), and we 3861e126ba97SEli Cohen * don't know what userspace's value should be. 3862e126ba97SEli Cohen */ 3863e126ba97SEli Cohen qp_attr->cap.max_inline_data = 0; 3864e126ba97SEli Cohen 3865e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 3866e126ba97SEli Cohen 3867e126ba97SEli Cohen qp_init_attr->create_flags = 0; 3868e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 3869e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 3870e126ba97SEli Cohen 3871051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 3872051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 3873051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 3874051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 3875051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 3876051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 3877051f2630SLeon Romanovsky 3878e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 3879e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 3880e126ba97SEli Cohen 3881e126ba97SEli Cohen out: 3882e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3883e126ba97SEli Cohen return err; 3884e126ba97SEli Cohen } 3885e126ba97SEli Cohen 3886e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 3887e126ba97SEli Cohen struct ib_ucontext *context, 3888e126ba97SEli Cohen struct ib_udata *udata) 3889e126ba97SEli Cohen { 3890e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 3891e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 3892e126ba97SEli Cohen int err; 3893e126ba97SEli Cohen 3894938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 3895e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 3896e126ba97SEli Cohen 3897e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 3898e126ba97SEli Cohen if (!xrcd) 3899e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 3900e126ba97SEli Cohen 39019603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 3902e126ba97SEli Cohen if (err) { 3903e126ba97SEli Cohen kfree(xrcd); 3904e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 3905e126ba97SEli Cohen } 3906e126ba97SEli Cohen 3907e126ba97SEli Cohen return &xrcd->ibxrcd; 3908e126ba97SEli Cohen } 3909e126ba97SEli Cohen 3910e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 3911e126ba97SEli Cohen { 3912e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 3913e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 3914e126ba97SEli Cohen int err; 3915e126ba97SEli Cohen 39169603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 3917e126ba97SEli Cohen if (err) { 3918e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 3919e126ba97SEli Cohen return err; 3920e126ba97SEli Cohen } 3921e126ba97SEli Cohen 3922e126ba97SEli Cohen kfree(xrcd); 3923e126ba97SEli Cohen 3924e126ba97SEli Cohen return 0; 3925e126ba97SEli Cohen } 3926