1e126ba97SEli Cohen /* 26cf0a15fSSaeed Mahameed * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3e126ba97SEli Cohen * 4e126ba97SEli Cohen * This software is available to you under a choice of one of two 5e126ba97SEli Cohen * licenses. You may choose to be licensed under the terms of the GNU 6e126ba97SEli Cohen * General Public License (GPL) Version 2, available from the file 7e126ba97SEli Cohen * COPYING in the main directory of this source tree, or the 8e126ba97SEli Cohen * OpenIB.org BSD license below: 9e126ba97SEli Cohen * 10e126ba97SEli Cohen * Redistribution and use in source and binary forms, with or 11e126ba97SEli Cohen * without modification, are permitted provided that the following 12e126ba97SEli Cohen * conditions are met: 13e126ba97SEli Cohen * 14e126ba97SEli Cohen * - Redistributions of source code must retain the above 15e126ba97SEli Cohen * copyright notice, this list of conditions and the following 16e126ba97SEli Cohen * disclaimer. 17e126ba97SEli Cohen * 18e126ba97SEli Cohen * - Redistributions in binary form must reproduce the above 19e126ba97SEli Cohen * copyright notice, this list of conditions and the following 20e126ba97SEli Cohen * disclaimer in the documentation and/or other materials 21e126ba97SEli Cohen * provided with the distribution. 22e126ba97SEli Cohen * 23e126ba97SEli Cohen * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e126ba97SEli Cohen * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e126ba97SEli Cohen * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e126ba97SEli Cohen * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e126ba97SEli Cohen * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e126ba97SEli Cohen * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e126ba97SEli Cohen * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e126ba97SEli Cohen * SOFTWARE. 31e126ba97SEli Cohen */ 32e126ba97SEli Cohen 33e126ba97SEli Cohen #include <linux/module.h> 34e126ba97SEli Cohen #include <rdma/ib_umem.h> 352811ba51SAchiad Shochat #include <rdma/ib_cache.h> 36cfb5e088SHaggai Abramovsky #include <rdma/ib_user_verbs.h> 37e126ba97SEli Cohen #include "mlx5_ib.h" 38e126ba97SEli Cohen #include "user.h" 39e126ba97SEli Cohen 40e126ba97SEli Cohen /* not supported currently */ 41e126ba97SEli Cohen static int wq_signature; 42e126ba97SEli Cohen 43e126ba97SEli Cohen enum { 44e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 45e126ba97SEli Cohen }; 46e126ba97SEli Cohen 47e126ba97SEli Cohen enum { 48e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 49e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 50e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 51e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 52e126ba97SEli Cohen }; 53e126ba97SEli Cohen 54e126ba97SEli Cohen enum { 55e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 56e126ba97SEli Cohen MLX5_IB_CACHE_LINE_SIZE = 64, 57e126ba97SEli Cohen }; 58e126ba97SEli Cohen 59e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 60e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 61f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 62e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 63e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 64e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 65e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 66e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 67e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 68e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 69e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 708a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 71e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 72e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 73e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 74e126ba97SEli Cohen }; 75e126ba97SEli Cohen 76f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 77f0313965SErez Shitrit u8 rsvd0[16]; 78f0313965SErez Shitrit }; 79e126ba97SEli Cohen 8089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 8189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 8289ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 8389ea94a7SMaor Gottlieb 84e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 85e126ba97SEli Cohen { 86e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 87e126ba97SEli Cohen } 88e126ba97SEli Cohen 89e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 90e126ba97SEli Cohen { 91e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 92e126ba97SEli Cohen } 93e126ba97SEli Cohen 94e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 95e126ba97SEli Cohen { 96e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 97e126ba97SEli Cohen } 98e126ba97SEli Cohen 99e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 100e126ba97SEli Cohen { 101e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 102e126ba97SEli Cohen } 103e126ba97SEli Cohen 104e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 105e126ba97SEli Cohen { 106e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 107e126ba97SEli Cohen } 108e126ba97SEli Cohen 109c1395a2aSHaggai Eran /** 110c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 111c1395a2aSHaggai Eran * 112c1395a2aSHaggai Eran * @qp: QP to copy from. 113c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 114c1395a2aSHaggai Eran * otherwise. 115c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 116c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 117c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 118c1395a2aSHaggai Eran * element in the queue. 119c1395a2aSHaggai Eran * @buffer: destination buffer. 120c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 121c1395a2aSHaggai Eran * 122c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 123c1395a2aSHaggai Eran * 124c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 125c1395a2aSHaggai Eran */ 126c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 12719098df2Smajd@mellanox.com void *buffer, u32 length, 12819098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 129c1395a2aSHaggai Eran { 130c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 131c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 132c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 133c1395a2aSHaggai Eran size_t offset; 134c1395a2aSHaggai Eran size_t wq_end; 13519098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 136c1395a2aSHaggai Eran u32 first_copy_length; 137c1395a2aSHaggai Eran int wqe_length; 138c1395a2aSHaggai Eran int ret; 139c1395a2aSHaggai Eran 140c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 141c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 142c1395a2aSHaggai Eran qp->ibqp.qp_type); 143c1395a2aSHaggai Eran return -EINVAL; 144c1395a2aSHaggai Eran } 145c1395a2aSHaggai Eran 146c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 147c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 148c1395a2aSHaggai Eran 149c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 150c1395a2aSHaggai Eran return -EINVAL; 151c1395a2aSHaggai Eran 152c1395a2aSHaggai Eran if (offset > umem->length || 153c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 154c1395a2aSHaggai Eran return -EINVAL; 155c1395a2aSHaggai Eran 156c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 157c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 158c1395a2aSHaggai Eran if (ret) 159c1395a2aSHaggai Eran return ret; 160c1395a2aSHaggai Eran 161c1395a2aSHaggai Eran if (send) { 162c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 163c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 164c1395a2aSHaggai Eran 165c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 166c1395a2aSHaggai Eran } else { 167c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 168c1395a2aSHaggai Eran } 169c1395a2aSHaggai Eran 170c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 171c1395a2aSHaggai Eran return first_copy_length; 172c1395a2aSHaggai Eran 173c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 174c1395a2aSHaggai Eran wqe_length - first_copy_length); 175c1395a2aSHaggai Eran if (ret) 176c1395a2aSHaggai Eran return ret; 177c1395a2aSHaggai Eran 178c1395a2aSHaggai Eran return wqe_length; 179c1395a2aSHaggai Eran } 180c1395a2aSHaggai Eran 181e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 182e126ba97SEli Cohen { 183e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 184e126ba97SEli Cohen struct ib_event event; 185e126ba97SEli Cohen 18619098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 18719098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 18819098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 18919098df2Smajd@mellanox.com } 190e126ba97SEli Cohen 191e126ba97SEli Cohen if (ibqp->event_handler) { 192e126ba97SEli Cohen event.device = ibqp->device; 193e126ba97SEli Cohen event.element.qp = ibqp; 194e126ba97SEli Cohen switch (type) { 195e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 196e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 197e126ba97SEli Cohen break; 198e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 199e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 200e126ba97SEli Cohen break; 201e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 202e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 203e126ba97SEli Cohen break; 204e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 205e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 206e126ba97SEli Cohen break; 207e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 208e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 209e126ba97SEli Cohen break; 210e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 211e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 212e126ba97SEli Cohen break; 213e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 214e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 215e126ba97SEli Cohen break; 216e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 217e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 218e126ba97SEli Cohen break; 219e126ba97SEli Cohen default: 220e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 221e126ba97SEli Cohen return; 222e126ba97SEli Cohen } 223e126ba97SEli Cohen 224e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 225e126ba97SEli Cohen } 226e126ba97SEli Cohen } 227e126ba97SEli Cohen 228e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 229e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 230e126ba97SEli Cohen { 231e126ba97SEli Cohen int wqe_size; 232e126ba97SEli Cohen int wq_size; 233e126ba97SEli Cohen 234e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 235938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 236e126ba97SEli Cohen return -EINVAL; 237e126ba97SEli Cohen 238e126ba97SEli Cohen if (!has_rq) { 239e126ba97SEli Cohen qp->rq.max_gs = 0; 240e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 241e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2420540d814SNoa Osherovich cap->max_recv_wr = 0; 2430540d814SNoa Osherovich cap->max_recv_sge = 0; 244e126ba97SEli Cohen } else { 245e126ba97SEli Cohen if (ucmd) { 246e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 247e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 248e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 249e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 250e126ba97SEli Cohen } else { 251e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 252e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 253e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 254e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 255e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 256e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 257938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 258e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 259e126ba97SEli Cohen wqe_size, 260938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 261938fe83cSSaeed Mahameed max_wqe_sz_rq)); 262e126ba97SEli Cohen return -EINVAL; 263e126ba97SEli Cohen } 264e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 265e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 266e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 267e126ba97SEli Cohen } 268e126ba97SEli Cohen } 269e126ba97SEli Cohen 270e126ba97SEli Cohen return 0; 271e126ba97SEli Cohen } 272e126ba97SEli Cohen 273f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 274e126ba97SEli Cohen { 275618af384SAndi Shyti int size = 0; 276e126ba97SEli Cohen 277f0313965SErez Shitrit switch (attr->qp_type) { 278e126ba97SEli Cohen case IB_QPT_XRC_INI: 279b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 280e126ba97SEli Cohen /* fall through */ 281e126ba97SEli Cohen case IB_QPT_RC: 282e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 28375c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 28475c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 28575c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 28675c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 287e126ba97SEli Cohen break; 288e126ba97SEli Cohen 289b125a54bSEli Cohen case IB_QPT_XRC_TGT: 290b125a54bSEli Cohen return 0; 291b125a54bSEli Cohen 292e126ba97SEli Cohen case IB_QPT_UC: 293b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 29475c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 2959e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 29675c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 297e126ba97SEli Cohen break; 298e126ba97SEli Cohen 299e126ba97SEli Cohen case IB_QPT_UD: 300f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 301f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 302f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 303f0313965SErez Shitrit /* fall through */ 304e126ba97SEli Cohen case IB_QPT_SMI: 305d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 306b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 307e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 308e126ba97SEli Cohen break; 309e126ba97SEli Cohen 310e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 311b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 312e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 313e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 314e126ba97SEli Cohen break; 315e126ba97SEli Cohen 316e126ba97SEli Cohen default: 317e126ba97SEli Cohen return -EINVAL; 318e126ba97SEli Cohen } 319e126ba97SEli Cohen 320e126ba97SEli Cohen return size; 321e126ba97SEli Cohen } 322e126ba97SEli Cohen 323e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 324e126ba97SEli Cohen { 325e126ba97SEli Cohen int inl_size = 0; 326e126ba97SEli Cohen int size; 327e126ba97SEli Cohen 328f0313965SErez Shitrit size = sq_overhead(attr); 329e126ba97SEli Cohen if (size < 0) 330e126ba97SEli Cohen return size; 331e126ba97SEli Cohen 332e126ba97SEli Cohen if (attr->cap.max_inline_data) { 333e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 334e126ba97SEli Cohen attr->cap.max_inline_data; 335e126ba97SEli Cohen } 336e126ba97SEli Cohen 337e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 338e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 339e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 340e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 341e1e66cc2SSagi Grimberg else 342e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 343e126ba97SEli Cohen } 344e126ba97SEli Cohen 345e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 346e126ba97SEli Cohen struct mlx5_ib_qp *qp) 347e126ba97SEli Cohen { 348e126ba97SEli Cohen int wqe_size; 349e126ba97SEli Cohen int wq_size; 350e126ba97SEli Cohen 351e126ba97SEli Cohen if (!attr->cap.max_send_wr) 352e126ba97SEli Cohen return 0; 353e126ba97SEli Cohen 354e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 355e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 356e126ba97SEli Cohen if (wqe_size < 0) 357e126ba97SEli Cohen return wqe_size; 358e126ba97SEli Cohen 359938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 360b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 361938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 362e126ba97SEli Cohen return -EINVAL; 363e126ba97SEli Cohen } 364e126ba97SEli Cohen 365f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 366e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 367e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 368e126ba97SEli Cohen 369e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 370e1e66cc2SSagi Grimberg qp->signature_en = true; 371e1e66cc2SSagi Grimberg 372e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 373e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 374938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 375b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n", 376938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 377938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 378b125a54bSEli Cohen return -ENOMEM; 379b125a54bSEli Cohen } 380e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 381e126ba97SEli Cohen qp->sq.max_gs = attr->cap.max_send_sge; 382b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 383b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 384e126ba97SEli Cohen 385e126ba97SEli Cohen return wq_size; 386e126ba97SEli Cohen } 387e126ba97SEli Cohen 388e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 389e126ba97SEli Cohen struct mlx5_ib_qp *qp, 39019098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 3910fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 3920fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 393e126ba97SEli Cohen { 394e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 395e126ba97SEli Cohen 396938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 397e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 398938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 399e126ba97SEli Cohen return -EINVAL; 400e126ba97SEli Cohen } 401e126ba97SEli Cohen 402e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 403e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 404e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 405e126ba97SEli Cohen return -EINVAL; 406e126ba97SEli Cohen } 407e126ba97SEli Cohen 408e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 409e126ba97SEli Cohen 410938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 411e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 412938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 413938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 414e126ba97SEli Cohen return -EINVAL; 415e126ba97SEli Cohen } 416e126ba97SEli Cohen 4170fb2ed66Smajd@mellanox.com if (attr->qp_type == IB_QPT_RAW_PACKET) { 4180fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4190fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4200fb2ed66Smajd@mellanox.com } else { 42119098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 422e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4230fb2ed66Smajd@mellanox.com } 424e126ba97SEli Cohen 425e126ba97SEli Cohen return 0; 426e126ba97SEli Cohen } 427e126ba97SEli Cohen 428e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 429e126ba97SEli Cohen { 430e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 431e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 432e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 433e126ba97SEli Cohen !attr->cap.max_recv_wr) 434e126ba97SEli Cohen return 0; 435e126ba97SEli Cohen 436e126ba97SEli Cohen return 1; 437e126ba97SEli Cohen } 438e126ba97SEli Cohen 439c1be5232SEli Cohen static int first_med_uuar(void) 440c1be5232SEli Cohen { 441c1be5232SEli Cohen return 1; 442c1be5232SEli Cohen } 443c1be5232SEli Cohen 444c1be5232SEli Cohen static int next_uuar(int n) 445c1be5232SEli Cohen { 446c1be5232SEli Cohen n++; 447c1be5232SEli Cohen 448c1be5232SEli Cohen while (((n % 4) & 2)) 449c1be5232SEli Cohen n++; 450c1be5232SEli Cohen 451c1be5232SEli Cohen return n; 452c1be5232SEli Cohen } 453c1be5232SEli Cohen 454c1be5232SEli Cohen static int num_med_uuar(struct mlx5_uuar_info *uuari) 455c1be5232SEli Cohen { 456c1be5232SEli Cohen int n; 457c1be5232SEli Cohen 458c1be5232SEli Cohen n = uuari->num_uars * MLX5_NON_FP_BF_REGS_PER_PAGE - 459c1be5232SEli Cohen uuari->num_low_latency_uuars - 1; 460c1be5232SEli Cohen 461c1be5232SEli Cohen return n >= 0 ? n : 0; 462c1be5232SEli Cohen } 463c1be5232SEli Cohen 464c1be5232SEli Cohen static int max_uuari(struct mlx5_uuar_info *uuari) 465c1be5232SEli Cohen { 466c1be5232SEli Cohen return uuari->num_uars * 4; 467c1be5232SEli Cohen } 468c1be5232SEli Cohen 469c1be5232SEli Cohen static int first_hi_uuar(struct mlx5_uuar_info *uuari) 470c1be5232SEli Cohen { 471c1be5232SEli Cohen int med; 472c1be5232SEli Cohen int i; 473c1be5232SEli Cohen int t; 474c1be5232SEli Cohen 475c1be5232SEli Cohen med = num_med_uuar(uuari); 476c1be5232SEli Cohen for (t = 0, i = first_med_uuar();; i = next_uuar(i)) { 477c1be5232SEli Cohen t++; 478c1be5232SEli Cohen if (t == med) 479c1be5232SEli Cohen return next_uuar(i); 480c1be5232SEli Cohen } 481c1be5232SEli Cohen 482c1be5232SEli Cohen return 0; 483c1be5232SEli Cohen } 484c1be5232SEli Cohen 485e126ba97SEli Cohen static int alloc_high_class_uuar(struct mlx5_uuar_info *uuari) 486e126ba97SEli Cohen { 487e126ba97SEli Cohen int i; 488e126ba97SEli Cohen 489c1be5232SEli Cohen for (i = first_hi_uuar(uuari); i < max_uuari(uuari); i = next_uuar(i)) { 490e126ba97SEli Cohen if (!test_bit(i, uuari->bitmap)) { 491e126ba97SEli Cohen set_bit(i, uuari->bitmap); 492e126ba97SEli Cohen uuari->count[i]++; 493e126ba97SEli Cohen return i; 494e126ba97SEli Cohen } 495e126ba97SEli Cohen } 496e126ba97SEli Cohen 497e126ba97SEli Cohen return -ENOMEM; 498e126ba97SEli Cohen } 499e126ba97SEli Cohen 500e126ba97SEli Cohen static int alloc_med_class_uuar(struct mlx5_uuar_info *uuari) 501e126ba97SEli Cohen { 502c1be5232SEli Cohen int minidx = first_med_uuar(); 503e126ba97SEli Cohen int i; 504e126ba97SEli Cohen 505c1be5232SEli Cohen for (i = first_med_uuar(); i < first_hi_uuar(uuari); i = next_uuar(i)) { 506e126ba97SEli Cohen if (uuari->count[i] < uuari->count[minidx]) 507e126ba97SEli Cohen minidx = i; 508e126ba97SEli Cohen } 509e126ba97SEli Cohen 510e126ba97SEli Cohen uuari->count[minidx]++; 511e126ba97SEli Cohen return minidx; 512e126ba97SEli Cohen } 513e126ba97SEli Cohen 514e126ba97SEli Cohen static int alloc_uuar(struct mlx5_uuar_info *uuari, 515e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 516e126ba97SEli Cohen { 517e126ba97SEli Cohen int uuarn = -EINVAL; 518e126ba97SEli Cohen 519e126ba97SEli Cohen mutex_lock(&uuari->lock); 520e126ba97SEli Cohen switch (lat) { 521e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 522e126ba97SEli Cohen uuarn = 0; 523e126ba97SEli Cohen uuari->count[uuarn]++; 524e126ba97SEli Cohen break; 525e126ba97SEli Cohen 526e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 52778c0f98cSEli Cohen if (uuari->ver < 2) 52878c0f98cSEli Cohen uuarn = -ENOMEM; 52978c0f98cSEli Cohen else 530e126ba97SEli Cohen uuarn = alloc_med_class_uuar(uuari); 531e126ba97SEli Cohen break; 532e126ba97SEli Cohen 533e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 53478c0f98cSEli Cohen if (uuari->ver < 2) 53578c0f98cSEli Cohen uuarn = -ENOMEM; 53678c0f98cSEli Cohen else 537e126ba97SEli Cohen uuarn = alloc_high_class_uuar(uuari); 538e126ba97SEli Cohen break; 539e126ba97SEli Cohen 540e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_FAST_PATH: 541e126ba97SEli Cohen uuarn = 2; 542e126ba97SEli Cohen break; 543e126ba97SEli Cohen } 544e126ba97SEli Cohen mutex_unlock(&uuari->lock); 545e126ba97SEli Cohen 546e126ba97SEli Cohen return uuarn; 547e126ba97SEli Cohen } 548e126ba97SEli Cohen 549e126ba97SEli Cohen static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 550e126ba97SEli Cohen { 551e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 552e126ba97SEli Cohen --uuari->count[uuarn]; 553e126ba97SEli Cohen } 554e126ba97SEli Cohen 555e126ba97SEli Cohen static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 556e126ba97SEli Cohen { 557e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 558e126ba97SEli Cohen --uuari->count[uuarn]; 559e126ba97SEli Cohen } 560e126ba97SEli Cohen 561e126ba97SEli Cohen static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn) 562e126ba97SEli Cohen { 563e126ba97SEli Cohen int nuuars = uuari->num_uars * MLX5_BF_REGS_PER_PAGE; 564e126ba97SEli Cohen int high_uuar = nuuars - uuari->num_low_latency_uuars; 565e126ba97SEli Cohen 566e126ba97SEli Cohen mutex_lock(&uuari->lock); 567e126ba97SEli Cohen if (uuarn == 0) { 568e126ba97SEli Cohen --uuari->count[uuarn]; 569e126ba97SEli Cohen goto out; 570e126ba97SEli Cohen } 571e126ba97SEli Cohen 572e126ba97SEli Cohen if (uuarn < high_uuar) { 573e126ba97SEli Cohen free_med_class_uuar(uuari, uuarn); 574e126ba97SEli Cohen goto out; 575e126ba97SEli Cohen } 576e126ba97SEli Cohen 577e126ba97SEli Cohen free_high_class_uuar(uuari, uuarn); 578e126ba97SEli Cohen 579e126ba97SEli Cohen out: 580e126ba97SEli Cohen mutex_unlock(&uuari->lock); 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 584e126ba97SEli Cohen { 585e126ba97SEli Cohen switch (state) { 586e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 587e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 588e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 589e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 590e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 591e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 592e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 593e126ba97SEli Cohen default: return -1; 594e126ba97SEli Cohen } 595e126ba97SEli Cohen } 596e126ba97SEli Cohen 597e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 598e126ba97SEli Cohen { 599e126ba97SEli Cohen switch (type) { 600e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 601e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 602e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 603e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 604e126ba97SEli Cohen case IB_QPT_XRC_INI: 605e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 606e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 607d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 608e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 609e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6100fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 611e126ba97SEli Cohen case IB_QPT_MAX: 612e126ba97SEli Cohen default: return -EINVAL; 613e126ba97SEli Cohen } 614e126ba97SEli Cohen } 615e126ba97SEli Cohen 61689ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 61789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 61889ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 61989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62089ea94a7SMaor Gottlieb 621e126ba97SEli Cohen static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn) 622e126ba97SEli Cohen { 623e126ba97SEli Cohen return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index; 624e126ba97SEli Cohen } 625e126ba97SEli Cohen 62619098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 62719098df2Smajd@mellanox.com struct ib_pd *pd, 62819098df2Smajd@mellanox.com unsigned long addr, size_t size, 62919098df2Smajd@mellanox.com struct ib_umem **umem, 63019098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 63119098df2Smajd@mellanox.com u32 *offset) 63219098df2Smajd@mellanox.com { 63319098df2Smajd@mellanox.com int err; 63419098df2Smajd@mellanox.com 63519098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 63619098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 63719098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 63819098df2Smajd@mellanox.com return PTR_ERR(*umem); 63919098df2Smajd@mellanox.com } 64019098df2Smajd@mellanox.com 64119098df2Smajd@mellanox.com mlx5_ib_cont_pages(*umem, addr, npages, page_shift, ncont, NULL); 64219098df2Smajd@mellanox.com 64319098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 64419098df2Smajd@mellanox.com if (err) { 64519098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 64619098df2Smajd@mellanox.com goto err_umem; 64719098df2Smajd@mellanox.com } 64819098df2Smajd@mellanox.com 64919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 65019098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 65119098df2Smajd@mellanox.com 65219098df2Smajd@mellanox.com return 0; 65319098df2Smajd@mellanox.com 65419098df2Smajd@mellanox.com err_umem: 65519098df2Smajd@mellanox.com ib_umem_release(*umem); 65619098df2Smajd@mellanox.com *umem = NULL; 65719098df2Smajd@mellanox.com 65819098df2Smajd@mellanox.com return err; 65919098df2Smajd@mellanox.com } 66019098df2Smajd@mellanox.com 66179b20a6cSYishai Hadas static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq) 66279b20a6cSYishai Hadas { 66379b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 66479b20a6cSYishai Hadas 66579b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 66679b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 66779b20a6cSYishai Hadas if (rwq->umem) 66879b20a6cSYishai Hadas ib_umem_release(rwq->umem); 66979b20a6cSYishai Hadas } 67079b20a6cSYishai Hadas 67179b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 67279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 67379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 67479b20a6cSYishai Hadas { 67579b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 67679b20a6cSYishai Hadas int page_shift = 0; 67779b20a6cSYishai Hadas int npages; 67879b20a6cSYishai Hadas u32 offset = 0; 67979b20a6cSYishai Hadas int ncont = 0; 68079b20a6cSYishai Hadas int err; 68179b20a6cSYishai Hadas 68279b20a6cSYishai Hadas if (!ucmd->buf_addr) 68379b20a6cSYishai Hadas return -EINVAL; 68479b20a6cSYishai Hadas 68579b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 68679b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 68779b20a6cSYishai Hadas rwq->buf_size, 0, 0); 68879b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 68979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 69079b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 69179b20a6cSYishai Hadas return err; 69279b20a6cSYishai Hadas } 69379b20a6cSYishai Hadas 69479b20a6cSYishai Hadas mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, &npages, &page_shift, 69579b20a6cSYishai Hadas &ncont, NULL); 69679b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 69779b20a6cSYishai Hadas &rwq->rq_page_offset); 69879b20a6cSYishai Hadas if (err) { 69979b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 70079b20a6cSYishai Hadas goto err_umem; 70179b20a6cSYishai Hadas } 70279b20a6cSYishai Hadas 70379b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 70479b20a6cSYishai Hadas rwq->page_shift = page_shift; 70579b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 70679b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 70779b20a6cSYishai Hadas 70879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 70979b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 71079b20a6cSYishai Hadas npages, page_shift, ncont, offset); 71179b20a6cSYishai Hadas 71279b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 71379b20a6cSYishai Hadas if (err) { 71479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 71579b20a6cSYishai Hadas goto err_umem; 71679b20a6cSYishai Hadas } 71779b20a6cSYishai Hadas 71879b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 71979b20a6cSYishai Hadas return 0; 72079b20a6cSYishai Hadas 72179b20a6cSYishai Hadas err_umem: 72279b20a6cSYishai Hadas ib_umem_release(rwq->umem); 72379b20a6cSYishai Hadas return err; 72479b20a6cSYishai Hadas } 72579b20a6cSYishai Hadas 726e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 727e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7280fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 729e126ba97SEli Cohen struct mlx5_create_qp_mbox_in **in, 73019098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 73119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 732e126ba97SEli Cohen { 733e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 734e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 73519098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7369e9c47d0SEli Cohen int page_shift = 0; 737e126ba97SEli Cohen int uar_index; 738e126ba97SEli Cohen int npages; 7399e9c47d0SEli Cohen u32 offset = 0; 740e126ba97SEli Cohen int uuarn; 7419e9c47d0SEli Cohen int ncont = 0; 742e126ba97SEli Cohen int err; 743e126ba97SEli Cohen 744e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 745e126ba97SEli Cohen if (err) { 746e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 747e126ba97SEli Cohen return err; 748e126ba97SEli Cohen } 749e126ba97SEli Cohen 750e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 751e126ba97SEli Cohen /* 752e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 753e126ba97SEli Cohen */ 754051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 755051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 756051f2630SLeon Romanovsky uuarn = MLX5_CROSS_CHANNEL_UUAR; 757051f2630SLeon Romanovsky else { 758e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH); 759e126ba97SEli Cohen if (uuarn < 0) { 760e126ba97SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency UUAR\n"); 761c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 762c1be5232SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM); 763c1be5232SEli Cohen if (uuarn < 0) { 764c1be5232SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency UUAR\n"); 765e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 766e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW); 767e126ba97SEli Cohen if (uuarn < 0) { 768c1be5232SEli Cohen mlx5_ib_warn(dev, "uuar allocation failed\n"); 769e126ba97SEli Cohen return uuarn; 770e126ba97SEli Cohen } 771e126ba97SEli Cohen } 772c1be5232SEli Cohen } 773051f2630SLeon Romanovsky } 774e126ba97SEli Cohen 775e126ba97SEli Cohen uar_index = uuarn_to_uar_index(&context->uuari, uuarn); 776e126ba97SEli Cohen mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); 777e126ba97SEli Cohen 77848fea837SHaggai Eran qp->rq.offset = 0; 77948fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 78048fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 78148fea837SHaggai Eran 7820fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 783e126ba97SEli Cohen if (err) 784e126ba97SEli Cohen goto err_uuar; 785e126ba97SEli Cohen 78619098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 78719098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 78819098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 78919098df2Smajd@mellanox.com ubuffer->buf_size, 79019098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 79119098df2Smajd@mellanox.com &ncont, &offset); 79219098df2Smajd@mellanox.com if (err) 793e126ba97SEli Cohen goto err_uuar; 7949e9c47d0SEli Cohen } else { 79519098df2Smajd@mellanox.com ubuffer->umem = NULL; 7969e9c47d0SEli Cohen } 797e126ba97SEli Cohen 798e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * ncont; 799e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 800e126ba97SEli Cohen if (!*in) { 801e126ba97SEli Cohen err = -ENOMEM; 802e126ba97SEli Cohen goto err_umem; 803e126ba97SEli Cohen } 80419098df2Smajd@mellanox.com if (ubuffer->umem) 80519098df2Smajd@mellanox.com mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, 80619098df2Smajd@mellanox.com (*in)->pas, 0); 807e126ba97SEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 8081b77d2bdSEli Cohen cpu_to_be32((page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 809e126ba97SEli Cohen (*in)->ctx.params2 = cpu_to_be32(offset << 6); 810e126ba97SEli Cohen 811e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 812e126ba97SEli Cohen resp->uuar_index = uuarn; 813e126ba97SEli Cohen qp->uuarn = uuarn; 814e126ba97SEli Cohen 815e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 816e126ba97SEli Cohen if (err) { 817e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 818e126ba97SEli Cohen goto err_free; 819e126ba97SEli Cohen } 820e126ba97SEli Cohen 821e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 822e126ba97SEli Cohen if (err) { 823e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 824e126ba97SEli Cohen goto err_unmap; 825e126ba97SEli Cohen } 826e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 827e126ba97SEli Cohen 828e126ba97SEli Cohen return 0; 829e126ba97SEli Cohen 830e126ba97SEli Cohen err_unmap: 831e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 832e126ba97SEli Cohen 833e126ba97SEli Cohen err_free: 834479163f4SAl Viro kvfree(*in); 835e126ba97SEli Cohen 836e126ba97SEli Cohen err_umem: 83719098df2Smajd@mellanox.com if (ubuffer->umem) 83819098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 839e126ba97SEli Cohen 840e126ba97SEli Cohen err_uuar: 841e126ba97SEli Cohen free_uuar(&context->uuari, uuarn); 842e126ba97SEli Cohen return err; 843e126ba97SEli Cohen } 844e126ba97SEli Cohen 84519098df2Smajd@mellanox.com static void destroy_qp_user(struct ib_pd *pd, struct mlx5_ib_qp *qp, 84619098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 847e126ba97SEli Cohen { 848e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 849e126ba97SEli Cohen 850e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 851e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 85219098df2Smajd@mellanox.com if (base->ubuffer.umem) 85319098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 854e126ba97SEli Cohen free_uuar(&context->uuari, qp->uuarn); 855e126ba97SEli Cohen } 856e126ba97SEli Cohen 857e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 858e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 859e126ba97SEli Cohen struct mlx5_ib_qp *qp, 86019098df2Smajd@mellanox.com struct mlx5_create_qp_mbox_in **in, int *inlen, 86119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 862e126ba97SEli Cohen { 863e126ba97SEli Cohen enum mlx5_ib_latency_class lc = MLX5_IB_LATENCY_CLASS_LOW; 864e126ba97SEli Cohen struct mlx5_uuar_info *uuari; 865e126ba97SEli Cohen int uar_index; 866e126ba97SEli Cohen int uuarn; 867e126ba97SEli Cohen int err; 868e126ba97SEli Cohen 8699603b61dSJack Morgenstein uuari = &dev->mdev->priv.uuari; 870f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 871f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 872b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 873b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 8741a4c3a3dSEli Cohen return -EINVAL; 875e126ba97SEli Cohen 876e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 877e126ba97SEli Cohen lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; 878e126ba97SEli Cohen 879e126ba97SEli Cohen uuarn = alloc_uuar(uuari, lc); 880e126ba97SEli Cohen if (uuarn < 0) { 881e126ba97SEli Cohen mlx5_ib_dbg(dev, "\n"); 882e126ba97SEli Cohen return -ENOMEM; 883e126ba97SEli Cohen } 884e126ba97SEli Cohen 885e126ba97SEli Cohen qp->bf = &uuari->bfs[uuarn]; 886e126ba97SEli Cohen uar_index = qp->bf->uar->index; 887e126ba97SEli Cohen 888e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 889e126ba97SEli Cohen if (err < 0) { 890e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 891e126ba97SEli Cohen goto err_uuar; 892e126ba97SEli Cohen } 893e126ba97SEli Cohen 894e126ba97SEli Cohen qp->rq.offset = 0; 895e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 89619098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 897e126ba97SEli Cohen 89819098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 899e126ba97SEli Cohen if (err) { 900e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 901e126ba97SEli Cohen goto err_uuar; 902e126ba97SEli Cohen } 903e126ba97SEli Cohen 904e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 905e126ba97SEli Cohen *inlen = sizeof(**in) + sizeof(*(*in)->pas) * qp->buf.npages; 906e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 907e126ba97SEli Cohen if (!*in) { 908e126ba97SEli Cohen err = -ENOMEM; 909e126ba97SEli Cohen goto err_buf; 910e126ba97SEli Cohen } 911e126ba97SEli Cohen (*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index); 9121b77d2bdSEli Cohen (*in)->ctx.log_pg_sz_remote_qpn = 9131b77d2bdSEli Cohen cpu_to_be32((qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24); 914e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 915e126ba97SEli Cohen (*in)->ctx.params1 |= cpu_to_be32(1 << 11); 916e126ba97SEli Cohen (*in)->ctx.sq_crq_size |= cpu_to_be16(1 << 4); 917e126ba97SEli Cohen 918b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 919b11a4f9cSHaggai Eran (*in)->ctx.deth_sqpn = cpu_to_be32(1); 920b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 921b11a4f9cSHaggai Eran } 922b11a4f9cSHaggai Eran 923e126ba97SEli Cohen mlx5_fill_page_array(&qp->buf, (*in)->pas); 924e126ba97SEli Cohen 9259603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 926e126ba97SEli Cohen if (err) { 927e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 928e126ba97SEli Cohen goto err_free; 929e126ba97SEli Cohen } 930e126ba97SEli Cohen 931e126ba97SEli Cohen qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); 932e126ba97SEli Cohen qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); 933e126ba97SEli Cohen qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); 934e126ba97SEli Cohen qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); 935e126ba97SEli Cohen qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); 936e126ba97SEli Cohen 937e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 938e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 939e126ba97SEli Cohen err = -ENOMEM; 940e126ba97SEli Cohen goto err_wrid; 941e126ba97SEli Cohen } 942e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 943e126ba97SEli Cohen 944e126ba97SEli Cohen return 0; 945e126ba97SEli Cohen 946e126ba97SEli Cohen err_wrid: 9479603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 948e126ba97SEli Cohen kfree(qp->sq.wqe_head); 949e126ba97SEli Cohen kfree(qp->sq.w_list); 950e126ba97SEli Cohen kfree(qp->sq.wrid); 951e126ba97SEli Cohen kfree(qp->sq.wr_data); 952e126ba97SEli Cohen kfree(qp->rq.wrid); 953e126ba97SEli Cohen 954e126ba97SEli Cohen err_free: 955479163f4SAl Viro kvfree(*in); 956e126ba97SEli Cohen 957e126ba97SEli Cohen err_buf: 9589603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 959e126ba97SEli Cohen 960e126ba97SEli Cohen err_uuar: 9619603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, uuarn); 962e126ba97SEli Cohen return err; 963e126ba97SEli Cohen } 964e126ba97SEli Cohen 965e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 966e126ba97SEli Cohen { 9679603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 968e126ba97SEli Cohen kfree(qp->sq.wqe_head); 969e126ba97SEli Cohen kfree(qp->sq.w_list); 970e126ba97SEli Cohen kfree(qp->sq.wrid); 971e126ba97SEli Cohen kfree(qp->sq.wr_data); 972e126ba97SEli Cohen kfree(qp->rq.wrid); 9739603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 9749603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn); 975e126ba97SEli Cohen } 976e126ba97SEli Cohen 977e126ba97SEli Cohen static __be32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 978e126ba97SEli Cohen { 979e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 980e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 981e126ba97SEli Cohen return cpu_to_be32(MLX5_SRQ_RQ); 982e126ba97SEli Cohen else if (!qp->has_rq) 983e126ba97SEli Cohen return cpu_to_be32(MLX5_ZERO_LEN_RQ); 984e126ba97SEli Cohen else 985e126ba97SEli Cohen return cpu_to_be32(MLX5_NON_ZERO_RQ); 986e126ba97SEli Cohen } 987e126ba97SEli Cohen 988e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 989e126ba97SEli Cohen { 990e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 991e126ba97SEli Cohen return 1; 992e126ba97SEli Cohen 993e126ba97SEli Cohen return 0; 994e126ba97SEli Cohen } 995e126ba97SEli Cohen 9960fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 9970fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 9980fb2ed66Smajd@mellanox.com { 9990fb2ed66Smajd@mellanox.com u32 in[MLX5_ST_SZ_DW(create_tis_in)]; 10000fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10010fb2ed66Smajd@mellanox.com 10020fb2ed66Smajd@mellanox.com memset(in, 0, sizeof(in)); 10030fb2ed66Smajd@mellanox.com 10040fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 10050fb2ed66Smajd@mellanox.com 10060fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10070fb2ed66Smajd@mellanox.com } 10080fb2ed66Smajd@mellanox.com 10090fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10100fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10110fb2ed66Smajd@mellanox.com { 10120fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10130fb2ed66Smajd@mellanox.com } 10140fb2ed66Smajd@mellanox.com 10150fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10160fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10170fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10180fb2ed66Smajd@mellanox.com { 10190fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10200fb2ed66Smajd@mellanox.com __be64 *pas; 10210fb2ed66Smajd@mellanox.com void *in; 10220fb2ed66Smajd@mellanox.com void *sqc; 10230fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10240fb2ed66Smajd@mellanox.com void *wq; 10250fb2ed66Smajd@mellanox.com int inlen; 10260fb2ed66Smajd@mellanox.com int err; 10270fb2ed66Smajd@mellanox.com int page_shift = 0; 10280fb2ed66Smajd@mellanox.com int npages; 10290fb2ed66Smajd@mellanox.com int ncont = 0; 10300fb2ed66Smajd@mellanox.com u32 offset = 0; 10310fb2ed66Smajd@mellanox.com 10320fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10330fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10340fb2ed66Smajd@mellanox.com &ncont, &offset); 10350fb2ed66Smajd@mellanox.com if (err) 10360fb2ed66Smajd@mellanox.com return err; 10370fb2ed66Smajd@mellanox.com 10380fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10390fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10400fb2ed66Smajd@mellanox.com if (!in) { 10410fb2ed66Smajd@mellanox.com err = -ENOMEM; 10420fb2ed66Smajd@mellanox.com goto err_umem; 10430fb2ed66Smajd@mellanox.com } 10440fb2ed66Smajd@mellanox.com 10450fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10460fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 10470fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10480fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10490fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10500fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10510fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 10520fb2ed66Smajd@mellanox.com 10530fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 10540fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10550fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 10560fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 10570fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 10580fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 10590fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 10600fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 10610fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 10620fb2ed66Smajd@mellanox.com 10630fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 10640fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 10650fb2ed66Smajd@mellanox.com 10660fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 10670fb2ed66Smajd@mellanox.com 10680fb2ed66Smajd@mellanox.com kvfree(in); 10690fb2ed66Smajd@mellanox.com 10700fb2ed66Smajd@mellanox.com if (err) 10710fb2ed66Smajd@mellanox.com goto err_umem; 10720fb2ed66Smajd@mellanox.com 10730fb2ed66Smajd@mellanox.com return 0; 10740fb2ed66Smajd@mellanox.com 10750fb2ed66Smajd@mellanox.com err_umem: 10760fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 10770fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 10780fb2ed66Smajd@mellanox.com 10790fb2ed66Smajd@mellanox.com return err; 10800fb2ed66Smajd@mellanox.com } 10810fb2ed66Smajd@mellanox.com 10820fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10830fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10840fb2ed66Smajd@mellanox.com { 10850fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 10860fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 10870fb2ed66Smajd@mellanox.com } 10880fb2ed66Smajd@mellanox.com 10890fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 10900fb2ed66Smajd@mellanox.com { 10910fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 10920fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 10930fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 10940fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 10950fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 10960fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 10970fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 10980fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 10990fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11000fb2ed66Smajd@mellanox.com 11010fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11020fb2ed66Smajd@mellanox.com } 11030fb2ed66Smajd@mellanox.com 11040fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11050fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11060fb2ed66Smajd@mellanox.com { 1107358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11080fb2ed66Smajd@mellanox.com __be64 *pas; 11090fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11100fb2ed66Smajd@mellanox.com void *in; 11110fb2ed66Smajd@mellanox.com void *rqc; 11120fb2ed66Smajd@mellanox.com void *wq; 11130fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11140fb2ed66Smajd@mellanox.com int inlen; 11150fb2ed66Smajd@mellanox.com int err; 11160fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11170fb2ed66Smajd@mellanox.com 11180fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11190fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11200fb2ed66Smajd@mellanox.com if (!in) 11210fb2ed66Smajd@mellanox.com return -ENOMEM; 11220fb2ed66Smajd@mellanox.com 11230fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 11240fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11250fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11260fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11270fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11280fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11290fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11300fb2ed66Smajd@mellanox.com 1131358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1132358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1133358e42eaSMajd Dibbiny 11340fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11350fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11360fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 113701581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 11380fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11390fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11400fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11410fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11420fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11430fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11440fb2ed66Smajd@mellanox.com 11450fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11460fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11470fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11480fb2ed66Smajd@mellanox.com 11490fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11500fb2ed66Smajd@mellanox.com 11510fb2ed66Smajd@mellanox.com kvfree(in); 11520fb2ed66Smajd@mellanox.com 11530fb2ed66Smajd@mellanox.com return err; 11540fb2ed66Smajd@mellanox.com } 11550fb2ed66Smajd@mellanox.com 11560fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11570fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 11580fb2ed66Smajd@mellanox.com { 11590fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 11600fb2ed66Smajd@mellanox.com } 11610fb2ed66Smajd@mellanox.com 11620fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 11630fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, u32 tdn) 11640fb2ed66Smajd@mellanox.com { 11650fb2ed66Smajd@mellanox.com u32 *in; 11660fb2ed66Smajd@mellanox.com void *tirc; 11670fb2ed66Smajd@mellanox.com int inlen; 11680fb2ed66Smajd@mellanox.com int err; 11690fb2ed66Smajd@mellanox.com 11700fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 11710fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11720fb2ed66Smajd@mellanox.com if (!in) 11730fb2ed66Smajd@mellanox.com return -ENOMEM; 11740fb2ed66Smajd@mellanox.com 11750fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 11760fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 11770fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 11780fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 11790fb2ed66Smajd@mellanox.com 11800fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 11810fb2ed66Smajd@mellanox.com 11820fb2ed66Smajd@mellanox.com kvfree(in); 11830fb2ed66Smajd@mellanox.com 11840fb2ed66Smajd@mellanox.com return err; 11850fb2ed66Smajd@mellanox.com } 11860fb2ed66Smajd@mellanox.com 11870fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 11880fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 11890fb2ed66Smajd@mellanox.com { 11900fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 11910fb2ed66Smajd@mellanox.com } 11920fb2ed66Smajd@mellanox.com 11930fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 11940fb2ed66Smajd@mellanox.com struct mlx5_create_qp_mbox_in *in, 11950fb2ed66Smajd@mellanox.com struct ib_pd *pd) 11960fb2ed66Smajd@mellanox.com { 11970fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 11980fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 11990fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12000fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12010fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12020fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12030fb2ed66Smajd@mellanox.com int err; 12040fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12050fb2ed66Smajd@mellanox.com 12060fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12070fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tis(dev, sq, tdn); 12080fb2ed66Smajd@mellanox.com if (err) 12090fb2ed66Smajd@mellanox.com return err; 12100fb2ed66Smajd@mellanox.com 12110fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12120fb2ed66Smajd@mellanox.com if (err) 12130fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12140fb2ed66Smajd@mellanox.com 12150fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12160fb2ed66Smajd@mellanox.com } 12170fb2ed66Smajd@mellanox.com 12180fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1219358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1220358e42eaSMajd Dibbiny 12210fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12220fb2ed66Smajd@mellanox.com if (err) 12230fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12240fb2ed66Smajd@mellanox.com 12250fb2ed66Smajd@mellanox.com 12260fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tir(dev, rq, tdn); 12270fb2ed66Smajd@mellanox.com if (err) 12280fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12290fb2ed66Smajd@mellanox.com } 12300fb2ed66Smajd@mellanox.com 12310fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12320fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12330fb2ed66Smajd@mellanox.com 12340fb2ed66Smajd@mellanox.com return 0; 12350fb2ed66Smajd@mellanox.com 12360fb2ed66Smajd@mellanox.com err_destroy_rq: 12370fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12380fb2ed66Smajd@mellanox.com err_destroy_sq: 12390fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 12400fb2ed66Smajd@mellanox.com return err; 12410fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12420fb2ed66Smajd@mellanox.com err_destroy_tis: 12430fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12440fb2ed66Smajd@mellanox.com 12450fb2ed66Smajd@mellanox.com return err; 12460fb2ed66Smajd@mellanox.com } 12470fb2ed66Smajd@mellanox.com 12480fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 12490fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 12500fb2ed66Smajd@mellanox.com { 12510fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12520fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12530fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12540fb2ed66Smajd@mellanox.com 12550fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 12560fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 12570fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12580fb2ed66Smajd@mellanox.com } 12590fb2ed66Smajd@mellanox.com 12600fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12610fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12620fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12630fb2ed66Smajd@mellanox.com } 12640fb2ed66Smajd@mellanox.com } 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 12670fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 12680fb2ed66Smajd@mellanox.com { 12690fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12700fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12710fb2ed66Smajd@mellanox.com 12720fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 12730fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 12740fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 12750fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 12760fb2ed66Smajd@mellanox.com } 12770fb2ed66Smajd@mellanox.com 127828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 127928d61370SYishai Hadas { 128028d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 128128d61370SYishai Hadas } 128228d61370SYishai Hadas 128328d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 128428d61370SYishai Hadas struct ib_pd *pd, 128528d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 128628d61370SYishai Hadas struct ib_udata *udata) 128728d61370SYishai Hadas { 128828d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 128928d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 129028d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 129128d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 129228d61370SYishai Hadas int inlen; 129328d61370SYishai Hadas int err; 129428d61370SYishai Hadas u32 *in; 129528d61370SYishai Hadas void *tirc; 129628d61370SYishai Hadas void *hfso; 129728d61370SYishai Hadas u32 selected_fields = 0; 129828d61370SYishai Hadas size_t min_resp_len; 129928d61370SYishai Hadas u32 tdn = mucontext->tdn; 130028d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 130128d61370SYishai Hadas size_t required_cmd_sz; 130228d61370SYishai Hadas 130328d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 130428d61370SYishai Hadas return -EOPNOTSUPP; 130528d61370SYishai Hadas 130628d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 130728d61370SYishai Hadas return -EINVAL; 130828d61370SYishai Hadas 130928d61370SYishai Hadas min_resp_len = offsetof(typeof(resp), uuar_index) + sizeof(resp.uuar_index); 131028d61370SYishai Hadas if (udata->outlen < min_resp_len) 131128d61370SYishai Hadas return -EINVAL; 131228d61370SYishai Hadas 131328d61370SYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1); 131428d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 131528d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 131628d61370SYishai Hadas return -EINVAL; 131728d61370SYishai Hadas } 131828d61370SYishai Hadas 131928d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 132028d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 132128d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 132228d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 132328d61370SYishai Hadas return -EOPNOTSUPP; 132428d61370SYishai Hadas } 132528d61370SYishai Hadas 132628d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 132728d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 132828d61370SYishai Hadas return -EFAULT; 132928d61370SYishai Hadas } 133028d61370SYishai Hadas 133128d61370SYishai Hadas if (ucmd.comp_mask) { 133228d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 133328d61370SYishai Hadas return -EOPNOTSUPP; 133428d61370SYishai Hadas } 133528d61370SYishai Hadas 133628d61370SYishai Hadas if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) { 133728d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 133828d61370SYishai Hadas return -EOPNOTSUPP; 133928d61370SYishai Hadas } 134028d61370SYishai Hadas 134128d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 134228d61370SYishai Hadas if (err) { 134328d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 134428d61370SYishai Hadas return -EINVAL; 134528d61370SYishai Hadas } 134628d61370SYishai Hadas 134728d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 134828d61370SYishai Hadas in = mlx5_vzalloc(inlen); 134928d61370SYishai Hadas if (!in) 135028d61370SYishai Hadas return -ENOMEM; 135128d61370SYishai Hadas 135228d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 135328d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 135428d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 135528d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 135628d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 135728d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 135828d61370SYishai Hadas 135928d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 136028d61370SYishai Hadas switch (ucmd.rx_hash_function) { 136128d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 136228d61370SYishai Hadas { 136328d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 136428d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 136528d61370SYishai Hadas 136628d61370SYishai Hadas if (len != ucmd.rx_key_len) { 136728d61370SYishai Hadas err = -EINVAL; 136828d61370SYishai Hadas goto err; 136928d61370SYishai Hadas } 137028d61370SYishai Hadas 137128d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 137228d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 137328d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 137428d61370SYishai Hadas break; 137528d61370SYishai Hadas } 137628d61370SYishai Hadas default: 137728d61370SYishai Hadas err = -EOPNOTSUPP; 137828d61370SYishai Hadas goto err; 137928d61370SYishai Hadas } 138028d61370SYishai Hadas 138128d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 138228d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 138328d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 138428d61370SYishai Hadas goto create_tir; 138528d61370SYishai Hadas err = -EINVAL; 138628d61370SYishai Hadas goto err; 138728d61370SYishai Hadas } 138828d61370SYishai Hadas 138928d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 139028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 139128d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 139228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 139328d61370SYishai Hadas err = -EINVAL; 139428d61370SYishai Hadas goto err; 139528d61370SYishai Hadas } 139628d61370SYishai Hadas 139728d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 139828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 139928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 140028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 140128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 140228d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 140328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 140428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 140528d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 140628d61370SYishai Hadas 140728d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 140828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 140928d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 141028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 141128d61370SYishai Hadas err = -EINVAL; 141228d61370SYishai Hadas goto err; 141328d61370SYishai Hadas } 141428d61370SYishai Hadas 141528d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 141628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 141728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 141828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 141928d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 142028d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 142128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 142228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 142328d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 142428d61370SYishai Hadas 142528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 142628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 142728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 142828d61370SYishai Hadas 142928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 143028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 143128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 143228d61370SYishai Hadas 143328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 143428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 143528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 143628d61370SYishai Hadas 143728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 143828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 143928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 144028d61370SYishai Hadas 144128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 144228d61370SYishai Hadas 144328d61370SYishai Hadas create_tir: 144428d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 144528d61370SYishai Hadas 144628d61370SYishai Hadas if (err) 144728d61370SYishai Hadas goto err; 144828d61370SYishai Hadas 144928d61370SYishai Hadas kvfree(in); 145028d61370SYishai Hadas /* qpn is reserved for that QP */ 145128d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 145228d61370SYishai Hadas return 0; 145328d61370SYishai Hadas 145428d61370SYishai Hadas err: 145528d61370SYishai Hadas kvfree(in); 145628d61370SYishai Hadas return err; 145728d61370SYishai Hadas } 145828d61370SYishai Hadas 1459e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1460e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1461e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1462e126ba97SEli Cohen { 1463e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 1464938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 14650fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base; 1466e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 1467e126ba97SEli Cohen struct mlx5_create_qp_mbox_in *in; 1468e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 146989ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 147089ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 147189ea94a7SMaor Gottlieb unsigned long flags; 1472e126ba97SEli Cohen int inlen = sizeof(*in); 1473e126ba97SEli Cohen int err; 1474cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 1475cfb5e088SHaggai Abramovsky void *qpc; 1476e126ba97SEli Cohen 14770fb2ed66Smajd@mellanox.com base = init_attr->qp_type == IB_QPT_RAW_PACKET ? 14780fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 14790fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 14800fb2ed66Smajd@mellanox.com 14810fb2ed66Smajd@mellanox.com if (init_attr->qp_type != IB_QPT_RAW_PACKET) 14826aec21f6SHaggai Eran mlx5_ib_odp_create_qp(qp); 14836aec21f6SHaggai Eran 1484e126ba97SEli Cohen mutex_init(&qp->mutex); 1485e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1486e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1487e126ba97SEli Cohen 148828d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 148928d61370SYishai Hadas if (!udata) 149028d61370SYishai Hadas return -ENOSYS; 149128d61370SYishai Hadas 149228d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 149328d61370SYishai Hadas return err; 149428d61370SYishai Hadas } 149528d61370SYishai Hadas 1496f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1497938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1498f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1499f360d88aSEli Cohen return -EINVAL; 1500f360d88aSEli Cohen } else { 1501f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1502f360d88aSEli Cohen } 1503f360d88aSEli Cohen } 1504f360d88aSEli Cohen 1505051f2630SLeon Romanovsky if (init_attr->create_flags & 1506051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1507051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1508051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1509051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1510051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1511051f2630SLeon Romanovsky return -EINVAL; 1512051f2630SLeon Romanovsky } 1513051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1514051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1515051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1516051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1517051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1518051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1519051f2630SLeon Romanovsky } 1520f0313965SErez Shitrit 1521f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1522f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1523f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1524f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1525f0313965SErez Shitrit return -EOPNOTSUPP; 1526f0313965SErez Shitrit } 1527f0313965SErez Shitrit 1528358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1529358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1530358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1531358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1532358e42eaSMajd Dibbiny } 1533358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1534358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1535358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1536358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1537358e42eaSMajd Dibbiny } 1538358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1539358e42eaSMajd Dibbiny } 1540358e42eaSMajd Dibbiny 1541e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1542e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1543e126ba97SEli Cohen 1544e126ba97SEli Cohen if (pd && pd->uobject) { 1545e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1546e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1547e126ba97SEli Cohen return -EFAULT; 1548e126ba97SEli Cohen } 1549e126ba97SEli Cohen 1550cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1551cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1552cfb5e088SHaggai Abramovsky if (err) 1553cfb5e088SHaggai Abramovsky return err; 1554cfb5e088SHaggai Abramovsky 1555e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1556e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1557e126ba97SEli Cohen } else { 1558e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1559e126ba97SEli Cohen } 1560e126ba97SEli Cohen 1561e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1562e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1563e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1564e126ba97SEli Cohen if (err) { 1565e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1566e126ba97SEli Cohen return err; 1567e126ba97SEli Cohen } 1568e126ba97SEli Cohen 1569e126ba97SEli Cohen if (pd) { 1570e126ba97SEli Cohen if (pd->uobject) { 1571938fe83cSSaeed Mahameed __u32 max_wqes = 1572938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1573e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1574e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1575e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1576e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1577e126ba97SEli Cohen return -EINVAL; 1578e126ba97SEli Cohen } 1579938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1580e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1581938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1582e126ba97SEli Cohen return -EINVAL; 1583e126ba97SEli Cohen } 1584b11a4f9cSHaggai Eran if (init_attr->create_flags & 1585b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1586b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1587b11a4f9cSHaggai Eran return -EINVAL; 1588b11a4f9cSHaggai Eran } 15890fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 15900fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1591e126ba97SEli Cohen if (err) 1592e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1593e126ba97SEli Cohen } else { 159419098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 159519098df2Smajd@mellanox.com base); 1596e126ba97SEli Cohen if (err) 1597e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1598e126ba97SEli Cohen } 1599e126ba97SEli Cohen 1600e126ba97SEli Cohen if (err) 1601e126ba97SEli Cohen return err; 1602e126ba97SEli Cohen } else { 1603e126ba97SEli Cohen in = mlx5_vzalloc(sizeof(*in)); 1604e126ba97SEli Cohen if (!in) 1605e126ba97SEli Cohen return -ENOMEM; 1606e126ba97SEli Cohen 1607e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1608e126ba97SEli Cohen } 1609e126ba97SEli Cohen 1610e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1611e126ba97SEli Cohen qp->port = init_attr->port_num; 1612e126ba97SEli Cohen 1613e126ba97SEli Cohen in->ctx.flags = cpu_to_be32(to_mlx5_st(init_attr->qp_type) << 16 | 1614e126ba97SEli Cohen MLX5_QP_PM_MIGRATED << 11); 1615e126ba97SEli Cohen 1616e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 1617e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(to_mpd(pd ? pd : devr->p0)->pdn); 1618e126ba97SEli Cohen else 1619e126ba97SEli Cohen in->ctx.flags_pd = cpu_to_be32(MLX5_QP_LAT_SENSITIVE); 1620e126ba97SEli Cohen 1621e126ba97SEli Cohen if (qp->wq_sig) 1622e126ba97SEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG); 1623e126ba97SEli Cohen 1624f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 1625f360d88aSEli Cohen in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST); 1626f360d88aSEli Cohen 1627051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 1628051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_MASTER); 1629051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 1630051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_SEND); 1631051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 1632051f2630SLeon Romanovsky in->ctx.params2 |= cpu_to_be32(MLX5_QP_BIT_CC_SLAVE_RECV); 1633051f2630SLeon Romanovsky 1634e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1635e126ba97SEli Cohen int rcqe_sz; 1636e126ba97SEli Cohen int scqe_sz; 1637e126ba97SEli Cohen 1638e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1639e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1640e126ba97SEli Cohen 1641e126ba97SEli Cohen if (rcqe_sz == 128) 1642e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA64_CQE; 1643e126ba97SEli Cohen else 1644e126ba97SEli Cohen in->ctx.cs_res = MLX5_RES_SCAT_DATA32_CQE; 1645e126ba97SEli Cohen 1646e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1647e126ba97SEli Cohen if (scqe_sz == 128) 1648e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA64_CQE; 1649e126ba97SEli Cohen else 1650e126ba97SEli Cohen in->ctx.cs_req = MLX5_REQ_SCAT_DATA32_CQE; 1651e126ba97SEli Cohen } 1652e126ba97SEli Cohen } 1653e126ba97SEli Cohen 1654e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 1655e126ba97SEli Cohen in->ctx.rq_size_stride = (qp->rq.wqe_shift - 4); 1656e126ba97SEli Cohen in->ctx.rq_size_stride |= ilog2(qp->rq.wqe_cnt) << 3; 1657e126ba97SEli Cohen } 1658e126ba97SEli Cohen 1659e126ba97SEli Cohen in->ctx.rq_type_srqn = get_rx_type(qp, init_attr); 1660e126ba97SEli Cohen 1661e126ba97SEli Cohen if (qp->sq.wqe_cnt) 1662e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(ilog2(qp->sq.wqe_cnt) << 11); 1663e126ba97SEli Cohen else 1664e126ba97SEli Cohen in->ctx.sq_crq_size |= cpu_to_be16(0x8000); 1665e126ba97SEli Cohen 1666e126ba97SEli Cohen /* Set default resources */ 1667e126ba97SEli Cohen switch (init_attr->qp_type) { 1668e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1669e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1670e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1671e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1672e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(init_attr->xrcd)->xrcdn); 1673e126ba97SEli Cohen break; 1674e126ba97SEli Cohen case IB_QPT_XRC_INI: 1675e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(devr->c0)->mcq.cqn); 1676e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 1677e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(devr->s0)->msrq.srqn); 1678e126ba97SEli Cohen break; 1679e126ba97SEli Cohen default: 1680e126ba97SEli Cohen if (init_attr->srq) { 1681e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x0)->xrcdn); 1682e126ba97SEli Cohen in->ctx.rq_type_srqn |= cpu_to_be32(to_msrq(init_attr->srq)->msrq.srqn); 1683e126ba97SEli Cohen } else { 1684e126ba97SEli Cohen in->ctx.xrcd = cpu_to_be32(to_mxrcd(devr->x1)->xrcdn); 16854aa17b28SHaggai Abramonvsky in->ctx.rq_type_srqn |= 16864aa17b28SHaggai Abramonvsky cpu_to_be32(to_msrq(devr->s1)->msrq.srqn); 1687e126ba97SEli Cohen } 1688e126ba97SEli Cohen } 1689e126ba97SEli Cohen 1690e126ba97SEli Cohen if (init_attr->send_cq) 1691e126ba97SEli Cohen in->ctx.cqn_send = cpu_to_be32(to_mcq(init_attr->send_cq)->mcq.cqn); 1692e126ba97SEli Cohen 1693e126ba97SEli Cohen if (init_attr->recv_cq) 1694e126ba97SEli Cohen in->ctx.cqn_recv = cpu_to_be32(to_mcq(init_attr->recv_cq)->mcq.cqn); 1695e126ba97SEli Cohen 1696e126ba97SEli Cohen in->ctx.db_rec_addr = cpu_to_be64(qp->db.dma); 1697e126ba97SEli Cohen 1698cfb5e088SHaggai Abramovsky if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) { 1699cfb5e088SHaggai Abramovsky qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 1700cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 1701cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 1702cfb5e088SHaggai Abramovsky } 1703f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1704f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1705f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1706f0313965SErez Shitrit qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 1707f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1708f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1709f0313965SErez Shitrit } 1710cfb5e088SHaggai Abramovsky 17110fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 17120fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 17130fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 17140fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 17150fb2ed66Smajd@mellanox.com } else { 171619098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 17170fb2ed66Smajd@mellanox.com } 17180fb2ed66Smajd@mellanox.com 1719e126ba97SEli Cohen if (err) { 1720e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1721e126ba97SEli Cohen goto err_create; 1722e126ba97SEli Cohen } 1723e126ba97SEli Cohen 1724479163f4SAl Viro kvfree(in); 1725e126ba97SEli Cohen 172619098df2Smajd@mellanox.com base->container_mibqp = qp; 172719098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1728e126ba97SEli Cohen 172989ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 173089ea94a7SMaor Gottlieb &send_cq, &recv_cq); 173189ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 173289ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 173389ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 173489ea94a7SMaor Gottlieb * flow 173589ea94a7SMaor Gottlieb */ 173689ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 173789ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 173889ea94a7SMaor Gottlieb */ 173989ea94a7SMaor Gottlieb if (send_cq) 174089ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 174189ea94a7SMaor Gottlieb if (recv_cq) 174289ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 174389ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 174489ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 174589ea94a7SMaor Gottlieb 1746e126ba97SEli Cohen return 0; 1747e126ba97SEli Cohen 1748e126ba97SEli Cohen err_create: 1749e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 175019098df2Smajd@mellanox.com destroy_qp_user(pd, qp, base); 1751e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1752e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1753e126ba97SEli Cohen 1754479163f4SAl Viro kvfree(in); 1755e126ba97SEli Cohen return err; 1756e126ba97SEli Cohen } 1757e126ba97SEli Cohen 1758e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1759e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1760e126ba97SEli Cohen { 1761e126ba97SEli Cohen if (send_cq) { 1762e126ba97SEli Cohen if (recv_cq) { 1763e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 176489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1765e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1766e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1767e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 176889ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1769e126ba97SEli Cohen __acquire(&recv_cq->lock); 1770e126ba97SEli Cohen } else { 177189ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1772e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1773e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1774e126ba97SEli Cohen } 1775e126ba97SEli Cohen } else { 177689ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 17776a4f139aSEli Cohen __acquire(&recv_cq->lock); 1778e126ba97SEli Cohen } 1779e126ba97SEli Cohen } else if (recv_cq) { 178089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 17816a4f139aSEli Cohen __acquire(&send_cq->lock); 17826a4f139aSEli Cohen } else { 17836a4f139aSEli Cohen __acquire(&send_cq->lock); 17846a4f139aSEli Cohen __acquire(&recv_cq->lock); 1785e126ba97SEli Cohen } 1786e126ba97SEli Cohen } 1787e126ba97SEli Cohen 1788e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1789e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1790e126ba97SEli Cohen { 1791e126ba97SEli Cohen if (send_cq) { 1792e126ba97SEli Cohen if (recv_cq) { 1793e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1794e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 179589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1796e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1797e126ba97SEli Cohen __release(&recv_cq->lock); 179889ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1799e126ba97SEli Cohen } else { 1800e126ba97SEli Cohen spin_unlock(&send_cq->lock); 180189ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1802e126ba97SEli Cohen } 1803e126ba97SEli Cohen } else { 18046a4f139aSEli Cohen __release(&recv_cq->lock); 180589ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1806e126ba97SEli Cohen } 1807e126ba97SEli Cohen } else if (recv_cq) { 18086a4f139aSEli Cohen __release(&send_cq->lock); 180989ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 18106a4f139aSEli Cohen } else { 18116a4f139aSEli Cohen __release(&recv_cq->lock); 18126a4f139aSEli Cohen __release(&send_cq->lock); 1813e126ba97SEli Cohen } 1814e126ba97SEli Cohen } 1815e126ba97SEli Cohen 1816e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1817e126ba97SEli Cohen { 1818e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1819e126ba97SEli Cohen } 1820e126ba97SEli Cohen 182189ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 182289ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1823e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1824e126ba97SEli Cohen { 182589ea94a7SMaor Gottlieb switch (qp_type) { 1826e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1827e126ba97SEli Cohen *send_cq = NULL; 1828e126ba97SEli Cohen *recv_cq = NULL; 1829e126ba97SEli Cohen break; 1830e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1831e126ba97SEli Cohen case IB_QPT_XRC_INI: 183289ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1833e126ba97SEli Cohen *recv_cq = NULL; 1834e126ba97SEli Cohen break; 1835e126ba97SEli Cohen 1836e126ba97SEli Cohen case IB_QPT_SMI: 1837d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1838e126ba97SEli Cohen case IB_QPT_RC: 1839e126ba97SEli Cohen case IB_QPT_UC: 1840e126ba97SEli Cohen case IB_QPT_UD: 1841e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1842e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 18430fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 184489ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 184589ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 1846e126ba97SEli Cohen break; 1847e126ba97SEli Cohen 1848e126ba97SEli Cohen case IB_QPT_MAX: 1849e126ba97SEli Cohen default: 1850e126ba97SEli Cohen *send_cq = NULL; 1851e126ba97SEli Cohen *recv_cq = NULL; 1852e126ba97SEli Cohen break; 1853e126ba97SEli Cohen } 1854e126ba97SEli Cohen } 1855e126ba97SEli Cohen 1856ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 1857ad5f8e96Smajd@mellanox.com u16 operation); 1858ad5f8e96Smajd@mellanox.com 1859e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1860e126ba97SEli Cohen { 1861e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 186219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 18630fb2ed66Smajd@mellanox.com struct mlx5_modify_qp_mbox_in *in; 186489ea94a7SMaor Gottlieb unsigned long flags; 1865e126ba97SEli Cohen int err; 1866e126ba97SEli Cohen 186728d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 186828d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 186928d61370SYishai Hadas return; 187028d61370SYishai Hadas } 187128d61370SYishai Hadas 18720fb2ed66Smajd@mellanox.com base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? 18730fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 18740fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 18750fb2ed66Smajd@mellanox.com 1876e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 1877e126ba97SEli Cohen if (!in) 1878e126ba97SEli Cohen return; 18797bef7ad2SEli Cohen 18806aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1881ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { 18826aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 1883ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 1884ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP, in, 0, 1885ad5f8e96Smajd@mellanox.com &base->mqp); 1886ad5f8e96Smajd@mellanox.com } else { 1887ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, 1888ad5f8e96Smajd@mellanox.com MLX5_CMD_OP_2RST_QP); 1889ad5f8e96Smajd@mellanox.com } 1890ad5f8e96Smajd@mellanox.com if (err) 1891427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 189219098df2Smajd@mellanox.com base->mqp.qpn); 18936aec21f6SHaggai Eran } 1894e126ba97SEli Cohen 189589ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 189689ea94a7SMaor Gottlieb &send_cq, &recv_cq); 189789ea94a7SMaor Gottlieb 189889ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 189989ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 190089ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 190189ea94a7SMaor Gottlieb list_del(&qp->qps_list); 190289ea94a7SMaor Gottlieb if (send_cq) 190389ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 190489ea94a7SMaor Gottlieb 190589ea94a7SMaor Gottlieb if (recv_cq) 190689ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 1907e126ba97SEli Cohen 1908e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 190919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 1910e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 1911e126ba97SEli Cohen if (send_cq != recv_cq) 191219098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 191319098df2Smajd@mellanox.com NULL); 1914e126ba97SEli Cohen } 191589ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 191689ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 1917e126ba97SEli Cohen 19180fb2ed66Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 19190fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 19200fb2ed66Smajd@mellanox.com } else { 192119098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 1922e126ba97SEli Cohen if (err) 19230fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 19240fb2ed66Smajd@mellanox.com base->mqp.qpn); 19250fb2ed66Smajd@mellanox.com } 1926e126ba97SEli Cohen 19270fb2ed66Smajd@mellanox.com kfree(in); 1928e126ba97SEli Cohen 1929e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 1930e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1931e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 193219098df2Smajd@mellanox.com destroy_qp_user(&get_pd(qp)->ibpd, qp, base); 1933e126ba97SEli Cohen } 1934e126ba97SEli Cohen 1935e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 1936e126ba97SEli Cohen { 1937e126ba97SEli Cohen switch (type) { 1938e126ba97SEli Cohen case IB_QPT_SMI: 1939e126ba97SEli Cohen return "IB_QPT_SMI"; 1940e126ba97SEli Cohen case IB_QPT_GSI: 1941e126ba97SEli Cohen return "IB_QPT_GSI"; 1942e126ba97SEli Cohen case IB_QPT_RC: 1943e126ba97SEli Cohen return "IB_QPT_RC"; 1944e126ba97SEli Cohen case IB_QPT_UC: 1945e126ba97SEli Cohen return "IB_QPT_UC"; 1946e126ba97SEli Cohen case IB_QPT_UD: 1947e126ba97SEli Cohen return "IB_QPT_UD"; 1948e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1949e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 1950e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1951e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 1952e126ba97SEli Cohen case IB_QPT_XRC_INI: 1953e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 1954e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1955e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 1956e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 1957e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 1958e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1959e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 1960e126ba97SEli Cohen case IB_QPT_MAX: 1961e126ba97SEli Cohen default: 1962e126ba97SEli Cohen return "Invalid QP type"; 1963e126ba97SEli Cohen } 1964e126ba97SEli Cohen } 1965e126ba97SEli Cohen 1966e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 1967e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1968e126ba97SEli Cohen struct ib_udata *udata) 1969e126ba97SEli Cohen { 1970e126ba97SEli Cohen struct mlx5_ib_dev *dev; 1971e126ba97SEli Cohen struct mlx5_ib_qp *qp; 1972e126ba97SEli Cohen u16 xrcdn = 0; 1973e126ba97SEli Cohen int err; 1974e126ba97SEli Cohen 1975e126ba97SEli Cohen if (pd) { 1976e126ba97SEli Cohen dev = to_mdev(pd->device); 19770fb2ed66Smajd@mellanox.com 19780fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 19790fb2ed66Smajd@mellanox.com if (!pd->uobject) { 19800fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 19810fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 19820fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 19830fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 19840fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 19850fb2ed66Smajd@mellanox.com } 19860fb2ed66Smajd@mellanox.com } 198709f16cf5SMajd Dibbiny } else { 198809f16cf5SMajd Dibbiny /* being cautious here */ 198909f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 199009f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 199109f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 199209f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 199309f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 199409f16cf5SMajd Dibbiny } 199509f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 1996e126ba97SEli Cohen } 1997e126ba97SEli Cohen 1998e126ba97SEli Cohen switch (init_attr->qp_type) { 1999e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2000e126ba97SEli Cohen case IB_QPT_XRC_INI: 2001938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2002e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2003e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2004e126ba97SEli Cohen } 2005e126ba97SEli Cohen init_attr->recv_cq = NULL; 2006e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2007e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2008e126ba97SEli Cohen init_attr->send_cq = NULL; 2009e126ba97SEli Cohen } 2010e126ba97SEli Cohen 2011e126ba97SEli Cohen /* fall through */ 20120fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2013e126ba97SEli Cohen case IB_QPT_RC: 2014e126ba97SEli Cohen case IB_QPT_UC: 2015e126ba97SEli Cohen case IB_QPT_UD: 2016e126ba97SEli Cohen case IB_QPT_SMI: 2017d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2018e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2019e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2020e126ba97SEli Cohen if (!qp) 2021e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2022e126ba97SEli Cohen 2023e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2024e126ba97SEli Cohen if (err) { 2025e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2026e126ba97SEli Cohen kfree(qp); 2027e126ba97SEli Cohen return ERR_PTR(err); 2028e126ba97SEli Cohen } 2029e126ba97SEli Cohen 2030e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2031e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2032e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2033e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2034e126ba97SEli Cohen else 203519098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2036e126ba97SEli Cohen 2037e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 203819098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 203919098df2Smajd@mellanox.com to_mcq(init_attr->recv_cq)->mcq.cqn, 2040e126ba97SEli Cohen to_mcq(init_attr->send_cq)->mcq.cqn); 2041e126ba97SEli Cohen 204219098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2043e126ba97SEli Cohen 2044e126ba97SEli Cohen break; 2045e126ba97SEli Cohen 2046d16e91daSHaggai Eran case IB_QPT_GSI: 2047d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2048d16e91daSHaggai Eran 2049e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2050e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2051e126ba97SEli Cohen case IB_QPT_MAX: 2052e126ba97SEli Cohen default: 2053e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2054e126ba97SEli Cohen init_attr->qp_type); 2055e126ba97SEli Cohen /* Don't support raw QPs */ 2056e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2057e126ba97SEli Cohen } 2058e126ba97SEli Cohen 2059e126ba97SEli Cohen return &qp->ibqp; 2060e126ba97SEli Cohen } 2061e126ba97SEli Cohen 2062e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2063e126ba97SEli Cohen { 2064e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2065e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2066e126ba97SEli Cohen 2067d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2068d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2069d16e91daSHaggai Eran 2070e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2071e126ba97SEli Cohen 2072e126ba97SEli Cohen kfree(mqp); 2073e126ba97SEli Cohen 2074e126ba97SEli Cohen return 0; 2075e126ba97SEli Cohen } 2076e126ba97SEli Cohen 2077e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2078e126ba97SEli Cohen int attr_mask) 2079e126ba97SEli Cohen { 2080e126ba97SEli Cohen u32 hw_access_flags = 0; 2081e126ba97SEli Cohen u8 dest_rd_atomic; 2082e126ba97SEli Cohen u32 access_flags; 2083e126ba97SEli Cohen 2084e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2085e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2086e126ba97SEli Cohen else 208719098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2088e126ba97SEli Cohen 2089e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2090e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2091e126ba97SEli Cohen else 209219098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2093e126ba97SEli Cohen 2094e126ba97SEli Cohen if (!dest_rd_atomic) 2095e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2096e126ba97SEli Cohen 2097e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2098e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2099e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2100e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2101e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2102e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2103e126ba97SEli Cohen 2104e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2105e126ba97SEli Cohen } 2106e126ba97SEli Cohen 2107e126ba97SEli Cohen enum { 2108e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2109e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2110e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2111e126ba97SEli Cohen }; 2112e126ba97SEli Cohen 2113e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2114e126ba97SEli Cohen { 2115e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2116e126ba97SEli Cohen return 0; 2117e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2118e126ba97SEli Cohen return -EINVAL; 2119e126ba97SEli Cohen } else { 2120e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2121e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2122938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2123e126ba97SEli Cohen --rate; 2124e126ba97SEli Cohen } 2125e126ba97SEli Cohen 2126e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2127e126ba97SEli Cohen } 2128e126ba97SEli Cohen 212975850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 213075850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 213175850d0bSmajd@mellanox.com { 213275850d0bSmajd@mellanox.com void *in; 213375850d0bSmajd@mellanox.com void *tisc; 213475850d0bSmajd@mellanox.com int inlen; 213575850d0bSmajd@mellanox.com int err; 213675850d0bSmajd@mellanox.com 213775850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 213875850d0bSmajd@mellanox.com in = mlx5_vzalloc(inlen); 213975850d0bSmajd@mellanox.com if (!in) 214075850d0bSmajd@mellanox.com return -ENOMEM; 214175850d0bSmajd@mellanox.com 214275850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 214375850d0bSmajd@mellanox.com 214475850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 214575850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 214675850d0bSmajd@mellanox.com 214775850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 214875850d0bSmajd@mellanox.com 214975850d0bSmajd@mellanox.com kvfree(in); 215075850d0bSmajd@mellanox.com 215175850d0bSmajd@mellanox.com return err; 215275850d0bSmajd@mellanox.com } 215375850d0bSmajd@mellanox.com 215475850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 215575850d0bSmajd@mellanox.com const struct ib_ah_attr *ah, 2156e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2157f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2158f879ee8dSAchiad Shochat bool alt) 2159e126ba97SEli Cohen { 21602811ba51SAchiad Shochat enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); 2161e126ba97SEli Cohen int err; 2162e126ba97SEli Cohen 2163e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2164f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2165f879ee8dSAchiad Shochat attr->pkey_index); 2166e126ba97SEli Cohen 2167e126ba97SEli Cohen if (ah->ah_flags & IB_AH_GRH) { 2168938fe83cSSaeed Mahameed if (ah->grh.sgid_index >= 2169938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2170f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2171938fe83cSSaeed Mahameed ah->grh.sgid_index, 2172938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2173f83b4263SEli Cohen return -EINVAL; 2174f83b4263SEli Cohen } 21752811ba51SAchiad Shochat } 21762811ba51SAchiad Shochat 21772811ba51SAchiad Shochat if (ll == IB_LINK_LAYER_ETHERNET) { 21782811ba51SAchiad Shochat if (!(ah->ah_flags & IB_AH_GRH)) 21792811ba51SAchiad Shochat return -EINVAL; 21802811ba51SAchiad Shochat memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); 21812811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 21822811ba51SAchiad Shochat ah->grh.sgid_index); 21832811ba51SAchiad Shochat path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; 21842811ba51SAchiad Shochat } else { 2185d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2186d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2187d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 21882811ba51SAchiad Shochat path->rlid = cpu_to_be16(ah->dlid); 21892811ba51SAchiad Shochat path->grh_mlid = ah->src_path_bits & 0x7f; 21902811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) 2191e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 21922811ba51SAchiad Shochat path->dci_cfi_prio_sl = ah->sl & 0xf; 21932811ba51SAchiad Shochat } 21942811ba51SAchiad Shochat 21952811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) { 2196e126ba97SEli Cohen path->mgid_index = ah->grh.sgid_index; 2197e126ba97SEli Cohen path->hop_limit = ah->grh.hop_limit; 2198e126ba97SEli Cohen path->tclass_flowlabel = 2199e126ba97SEli Cohen cpu_to_be32((ah->grh.traffic_class << 20) | 2200e126ba97SEli Cohen (ah->grh.flow_label)); 2201e126ba97SEli Cohen memcpy(path->rgid, ah->grh.dgid.raw, 16); 2202e126ba97SEli Cohen } 2203e126ba97SEli Cohen 2204e126ba97SEli Cohen err = ib_rate_to_mlx5(dev, ah->static_rate); 2205e126ba97SEli Cohen if (err < 0) 2206e126ba97SEli Cohen return err; 2207e126ba97SEli Cohen path->static_rate = err; 2208e126ba97SEli Cohen path->port = port; 2209e126ba97SEli Cohen 2210e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2211f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2212e126ba97SEli Cohen 221375850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 221475850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 221575850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 221675850d0bSmajd@mellanox.com ah->sl & 0xf); 221775850d0bSmajd@mellanox.com 2218e126ba97SEli Cohen return 0; 2219e126ba97SEli Cohen } 2220e126ba97SEli Cohen 2221e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2222e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2223e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2224e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2225e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2226e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2227e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2228e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2229e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2230e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2231e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2232e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2233e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2234e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2235e126ba97SEli Cohen }, 2236e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2237e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2238e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2239e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2240e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2241e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2242e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2243e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2244e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2245e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2246e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2247e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2248e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2249a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2250a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2251a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2252a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2253a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2254e126ba97SEli Cohen }, 2255e126ba97SEli Cohen }, 2256e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2257e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2258e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2259e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2260e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2261e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2262e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2263e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2264e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2265e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2266e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2267e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2268e126ba97SEli Cohen }, 2269e126ba97SEli Cohen }, 2270e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2271e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2272e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2273e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2274e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2275e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2276c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2277c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2278e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2279c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2280c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2281e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2282e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2283e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2284e126ba97SEli Cohen }, 2285e126ba97SEli Cohen }, 2286e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2287e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2288e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2289e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 229075959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2291a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2292a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2293a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2294a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2295e126ba97SEli Cohen }, 2296e126ba97SEli Cohen }, 2297e126ba97SEli Cohen }; 2298e126ba97SEli Cohen 2299e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2300e126ba97SEli Cohen { 2301e126ba97SEli Cohen switch (ib_mask) { 2302e126ba97SEli Cohen case IB_QP_STATE: 2303e126ba97SEli Cohen return 0; 2304e126ba97SEli Cohen case IB_QP_CUR_STATE: 2305e126ba97SEli Cohen return 0; 2306e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2307e126ba97SEli Cohen return 0; 2308e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2309e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2310e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2311e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2312e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2313e126ba97SEli Cohen case IB_QP_PORT: 2314e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2315e126ba97SEli Cohen case IB_QP_QKEY: 2316e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2317e126ba97SEli Cohen case IB_QP_AV: 2318e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2319e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2320e126ba97SEli Cohen case IB_QP_PATH_MTU: 2321e126ba97SEli Cohen return 0; 2322e126ba97SEli Cohen case IB_QP_TIMEOUT: 2323e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2324e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2325e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2326e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2327e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2328e126ba97SEli Cohen case IB_QP_RQ_PSN: 2329e126ba97SEli Cohen return 0; 2330e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2331e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2332e126ba97SEli Cohen case IB_QP_ALT_PATH: 2333e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2334e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2335e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2336e126ba97SEli Cohen case IB_QP_SQ_PSN: 2337e126ba97SEli Cohen return 0; 2338e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2339e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2340e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2341e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2342e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2343e126ba97SEli Cohen case IB_QP_CAP: 2344e126ba97SEli Cohen return 0; 2345e126ba97SEli Cohen case IB_QP_DEST_QPN: 2346e126ba97SEli Cohen return 0; 2347e126ba97SEli Cohen } 2348e126ba97SEli Cohen return 0; 2349e126ba97SEli Cohen } 2350e126ba97SEli Cohen 2351e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2352e126ba97SEli Cohen { 2353e126ba97SEli Cohen int result = 0; 2354e126ba97SEli Cohen int i; 2355e126ba97SEli Cohen 2356e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2357e126ba97SEli Cohen if ((1 << i) & ib_mask) 2358e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2359e126ba97SEli Cohen } 2360e126ba97SEli Cohen 2361e126ba97SEli Cohen return result; 2362e126ba97SEli Cohen } 2363e126ba97SEli Cohen 2364ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_rq(struct mlx5_core_dev *dev, 2365ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq, int new_state) 2366ad5f8e96Smajd@mellanox.com { 2367ad5f8e96Smajd@mellanox.com void *in; 2368ad5f8e96Smajd@mellanox.com void *rqc; 2369ad5f8e96Smajd@mellanox.com int inlen; 2370ad5f8e96Smajd@mellanox.com int err; 2371ad5f8e96Smajd@mellanox.com 2372ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 2373ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2374ad5f8e96Smajd@mellanox.com if (!in) 2375ad5f8e96Smajd@mellanox.com return -ENOMEM; 2376ad5f8e96Smajd@mellanox.com 2377ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2378ad5f8e96Smajd@mellanox.com 2379ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2380ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2381ad5f8e96Smajd@mellanox.com 2382ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_rq(dev, rq->base.mqp.qpn, in, inlen); 2383ad5f8e96Smajd@mellanox.com if (err) 2384ad5f8e96Smajd@mellanox.com goto out; 2385ad5f8e96Smajd@mellanox.com 2386ad5f8e96Smajd@mellanox.com rq->state = new_state; 2387ad5f8e96Smajd@mellanox.com 2388ad5f8e96Smajd@mellanox.com out: 2389ad5f8e96Smajd@mellanox.com kvfree(in); 2390ad5f8e96Smajd@mellanox.com return err; 2391ad5f8e96Smajd@mellanox.com } 2392ad5f8e96Smajd@mellanox.com 2393ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 2394ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq, int new_state) 2395ad5f8e96Smajd@mellanox.com { 2396ad5f8e96Smajd@mellanox.com void *in; 2397ad5f8e96Smajd@mellanox.com void *sqc; 2398ad5f8e96Smajd@mellanox.com int inlen; 2399ad5f8e96Smajd@mellanox.com int err; 2400ad5f8e96Smajd@mellanox.com 2401ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 2402ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2403ad5f8e96Smajd@mellanox.com if (!in) 2404ad5f8e96Smajd@mellanox.com return -ENOMEM; 2405ad5f8e96Smajd@mellanox.com 2406ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2407ad5f8e96Smajd@mellanox.com 2408ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2409ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2410ad5f8e96Smajd@mellanox.com 2411ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 2412ad5f8e96Smajd@mellanox.com if (err) 2413ad5f8e96Smajd@mellanox.com goto out; 2414ad5f8e96Smajd@mellanox.com 2415ad5f8e96Smajd@mellanox.com sq->state = new_state; 2416ad5f8e96Smajd@mellanox.com 2417ad5f8e96Smajd@mellanox.com out: 2418ad5f8e96Smajd@mellanox.com kvfree(in); 2419ad5f8e96Smajd@mellanox.com return err; 2420ad5f8e96Smajd@mellanox.com } 2421ad5f8e96Smajd@mellanox.com 2422ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2423ad5f8e96Smajd@mellanox.com u16 operation) 2424ad5f8e96Smajd@mellanox.com { 2425ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2426ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2427ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 2428ad5f8e96Smajd@mellanox.com int rq_state; 2429ad5f8e96Smajd@mellanox.com int sq_state; 2430ad5f8e96Smajd@mellanox.com int err; 2431ad5f8e96Smajd@mellanox.com 2432ad5f8e96Smajd@mellanox.com switch (operation) { 2433ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2434ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2435ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2436ad5f8e96Smajd@mellanox.com break; 2437ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2438ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2439ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2440ad5f8e96Smajd@mellanox.com break; 2441ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2442ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2443ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2444ad5f8e96Smajd@mellanox.com break; 2445ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2INIT_QP: 2446ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2RTR_QP: 2447ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2448ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 2449ad5f8e96Smajd@mellanox.com /* Nothing to do here... */ 2450ad5f8e96Smajd@mellanox.com return 0; 2451ad5f8e96Smajd@mellanox.com default: 2452ad5f8e96Smajd@mellanox.com WARN_ON(1); 2453ad5f8e96Smajd@mellanox.com return -EINVAL; 2454ad5f8e96Smajd@mellanox.com } 2455ad5f8e96Smajd@mellanox.com 2456ad5f8e96Smajd@mellanox.com if (qp->rq.wqe_cnt) { 2457ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp_rq(dev->mdev, rq, rq_state); 2458ad5f8e96Smajd@mellanox.com if (err) 2459ad5f8e96Smajd@mellanox.com return err; 2460ad5f8e96Smajd@mellanox.com } 2461ad5f8e96Smajd@mellanox.com 2462ad5f8e96Smajd@mellanox.com if (qp->sq.wqe_cnt) 2463ad5f8e96Smajd@mellanox.com return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state); 2464ad5f8e96Smajd@mellanox.com 2465ad5f8e96Smajd@mellanox.com return 0; 2466ad5f8e96Smajd@mellanox.com } 2467ad5f8e96Smajd@mellanox.com 2468e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2469e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2470e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2471e126ba97SEli Cohen { 2472427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2473427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2474427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2475427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2476427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2477427c1e7bSmajd@mellanox.com }, 2478427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2479427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2480427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2481427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2482427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2483427c1e7bSmajd@mellanox.com }, 2484427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2485427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2486427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2487427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2488427c1e7bSmajd@mellanox.com }, 2489427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2490427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2491427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2492427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2493427c1e7bSmajd@mellanox.com }, 2494427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2495427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2496427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2497427c1e7bSmajd@mellanox.com }, 2498427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2499427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2500427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2501427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2502427c1e7bSmajd@mellanox.com }, 2503427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2504427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2505427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2506427c1e7bSmajd@mellanox.com } 2507427c1e7bSmajd@mellanox.com }; 2508427c1e7bSmajd@mellanox.com 2509e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2510e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 251119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2512e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2513e126ba97SEli Cohen struct mlx5_qp_context *context; 2514e126ba97SEli Cohen struct mlx5_modify_qp_mbox_in *in; 2515e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2516e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2517e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2518e126ba97SEli Cohen int sqd_event; 2519e126ba97SEli Cohen int mlx5_st; 2520e126ba97SEli Cohen int err; 2521427c1e7bSmajd@mellanox.com u16 op; 2522e126ba97SEli Cohen 2523e126ba97SEli Cohen in = kzalloc(sizeof(*in), GFP_KERNEL); 2524e126ba97SEli Cohen if (!in) 2525e126ba97SEli Cohen return -ENOMEM; 2526e126ba97SEli Cohen 2527e126ba97SEli Cohen context = &in->ctx; 2528e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2529158abf86SHaggai Eran if (err < 0) { 2530158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2531e126ba97SEli Cohen goto out; 2532158abf86SHaggai Eran } 2533e126ba97SEli Cohen 2534e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2535e126ba97SEli Cohen 2536e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2537e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2538e126ba97SEli Cohen } else { 2539e126ba97SEli Cohen switch (attr->path_mig_state) { 2540e126ba97SEli Cohen case IB_MIG_MIGRATED: 2541e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2542e126ba97SEli Cohen break; 2543e126ba97SEli Cohen case IB_MIG_REARM: 2544e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2545e126ba97SEli Cohen break; 2546e126ba97SEli Cohen case IB_MIG_ARMED: 2547e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2548e126ba97SEli Cohen break; 2549e126ba97SEli Cohen } 2550e126ba97SEli Cohen } 2551e126ba97SEli Cohen 2552d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2553e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2554e126ba97SEli Cohen } else if (ibqp->qp_type == IB_QPT_UD || 2555e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2556e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2557e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2558e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2559e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2560e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2561e126ba97SEli Cohen err = -EINVAL; 2562e126ba97SEli Cohen goto out; 2563e126ba97SEli Cohen } 2564938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2565938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2566e126ba97SEli Cohen } 2567e126ba97SEli Cohen 2568e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2569e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2570e126ba97SEli Cohen 2571e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2572d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2573e126ba97SEli Cohen 2574e126ba97SEli Cohen /* todo implement counter_index functionality */ 2575e126ba97SEli Cohen 2576e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2577e126ba97SEli Cohen context->pri_path.port = qp->port; 2578e126ba97SEli Cohen 2579e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2580e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2581e126ba97SEli Cohen 2582e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 258375850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2584e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2585f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2586e126ba97SEli Cohen if (err) 2587e126ba97SEli Cohen goto out; 2588e126ba97SEli Cohen } 2589e126ba97SEli Cohen 2590e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2591e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2592e126ba97SEli Cohen 2593e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 259475850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 259575850d0bSmajd@mellanox.com &context->alt_path, 2596f879ee8dSAchiad Shochat attr->alt_port_num, 2597f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2598f879ee8dSAchiad Shochat 0, attr, true); 2599e126ba97SEli Cohen if (err) 2600e126ba97SEli Cohen goto out; 2601e126ba97SEli Cohen } 2602e126ba97SEli Cohen 2603e126ba97SEli Cohen pd = get_pd(qp); 260489ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 260589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2606e126ba97SEli Cohen 2607e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2608e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2609e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2610e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2611e126ba97SEli Cohen 2612e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2613e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2614e126ba97SEli Cohen 2615e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2616e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2617e126ba97SEli Cohen 2618e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2619e126ba97SEli Cohen if (attr->max_rd_atomic) 2620e126ba97SEli Cohen context->params1 |= 2621e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2622e126ba97SEli Cohen } 2623e126ba97SEli Cohen 2624e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2625e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2626e126ba97SEli Cohen 2627e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2628e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2629e126ba97SEli Cohen context->params2 |= 2630e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2631e126ba97SEli Cohen } 2632e126ba97SEli Cohen 2633e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2634e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2635e126ba97SEli Cohen 2636e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2637e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2638e126ba97SEli Cohen 2639e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2640e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2641e126ba97SEli Cohen 2642e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2643e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2644e126ba97SEli Cohen 2645e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2646e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2647e126ba97SEli Cohen 2648e126ba97SEli Cohen if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD && 2649e126ba97SEli Cohen attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify) 2650e126ba97SEli Cohen sqd_event = 1; 2651e126ba97SEli Cohen else 2652e126ba97SEli Cohen sqd_event = 0; 2653e126ba97SEli Cohen 26540837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 26550837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 26560837e86aSMark Bloch qp->port) - 1; 26570837e86aSMark Bloch struct mlx5_ib_port *mibport = &dev->port[port_num]; 26580837e86aSMark Bloch 26590837e86aSMark Bloch context->qp_counter_set_usr_page |= 2660321a9e3eSAlex Vesker cpu_to_be32((u32)(mibport->q_cnt_id) << 24); 26610837e86aSMark Bloch } 26620837e86aSMark Bloch 2663e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2664e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2665e126ba97SEli Cohen 2666b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2667b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2668e126ba97SEli Cohen 2669e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2670e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2671e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 267207c9113fSEli Cohen if (mlx5_st < 0) 2673e126ba97SEli Cohen goto out; 2674e126ba97SEli Cohen 26756aec21f6SHaggai Eran /* If moving to a reset or error state, we must disable page faults on 26766aec21f6SHaggai Eran * this QP and flush all current page faults. Otherwise a stale page 26776aec21f6SHaggai Eran * fault may attempt to work on this QP after it is reset and moved 26786aec21f6SHaggai Eran * again to RTS, and may cause the driver and the device to get out of 26796aec21f6SHaggai Eran * sync. */ 26806aec21f6SHaggai Eran if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR && 2681ad5f8e96Smajd@mellanox.com (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR) && 2682ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 26836aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 26846aec21f6SHaggai Eran 2685427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2686427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2687427c1e7bSmajd@mellanox.com goto out; 2688427c1e7bSmajd@mellanox.com 2689427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2690e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2691e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2692e126ba97SEli Cohen in->optparam = cpu_to_be32(optpar); 2693ad5f8e96Smajd@mellanox.com 2694ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) 2695ad5f8e96Smajd@mellanox.com err = modify_raw_packet_qp(dev, qp, op); 2696ad5f8e96Smajd@mellanox.com else 2697427c1e7bSmajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, op, in, sqd_event, 269819098df2Smajd@mellanox.com &base->mqp); 2699e126ba97SEli Cohen if (err) 2700e126ba97SEli Cohen goto out; 2701e126ba97SEli Cohen 2702ad5f8e96Smajd@mellanox.com if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT && 2703ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 27046aec21f6SHaggai Eran mlx5_ib_qp_enable_pagefaults(qp); 27056aec21f6SHaggai Eran 2706e126ba97SEli Cohen qp->state = new_state; 2707e126ba97SEli Cohen 2708e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 270919098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2710e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 271119098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2712e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2713e126ba97SEli Cohen qp->port = attr->port_num; 2714e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 271519098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2716e126ba97SEli Cohen 2717e126ba97SEli Cohen /* 2718e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2719e126ba97SEli Cohen * entries and reinitialize the QP. 2720e126ba97SEli Cohen */ 2721e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 272219098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2723e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2724e126ba97SEli Cohen if (send_cq != recv_cq) 272519098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2726e126ba97SEli Cohen 2727e126ba97SEli Cohen qp->rq.head = 0; 2728e126ba97SEli Cohen qp->rq.tail = 0; 2729e126ba97SEli Cohen qp->sq.head = 0; 2730e126ba97SEli Cohen qp->sq.tail = 0; 2731e126ba97SEli Cohen qp->sq.cur_post = 0; 2732e126ba97SEli Cohen qp->sq.last_poll = 0; 2733e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2734e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2735e126ba97SEli Cohen } 2736e126ba97SEli Cohen 2737e126ba97SEli Cohen out: 2738e126ba97SEli Cohen kfree(in); 2739e126ba97SEli Cohen return err; 2740e126ba97SEli Cohen } 2741e126ba97SEli Cohen 2742e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2743e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2744e126ba97SEli Cohen { 2745e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2746e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2747d16e91daSHaggai Eran enum ib_qp_type qp_type; 2748e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2749e126ba97SEli Cohen int err = -EINVAL; 2750e126ba97SEli Cohen int port; 27512811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2752e126ba97SEli Cohen 275328d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 275428d61370SYishai Hadas return -ENOSYS; 275528d61370SYishai Hadas 2756d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 2757d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 2758d16e91daSHaggai Eran 2759d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 2760d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 2761d16e91daSHaggai Eran 2762e126ba97SEli Cohen mutex_lock(&qp->mutex); 2763e126ba97SEli Cohen 2764e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 2765e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 2766e126ba97SEli Cohen 27672811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 27682811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 27692811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 27702811ba51SAchiad Shochat } 27712811ba51SAchiad Shochat 2772d16e91daSHaggai Eran if (qp_type != MLX5_IB_QPT_REG_UMR && 2773d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 2774158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 2775158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 2776e126ba97SEli Cohen goto out; 2777158abf86SHaggai Eran } 2778e126ba97SEli Cohen 2779e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 2780938fe83cSSaeed Mahameed (attr->port_num == 0 || 2781158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 2782158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 2783158abf86SHaggai Eran attr->port_num, dev->num_ports); 2784e126ba97SEli Cohen goto out; 2785158abf86SHaggai Eran } 2786e126ba97SEli Cohen 2787e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 2788e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 2789938fe83cSSaeed Mahameed if (attr->pkey_index >= 2790158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 2791158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 2792158abf86SHaggai Eran attr->pkey_index); 2793e126ba97SEli Cohen goto out; 2794e126ba97SEli Cohen } 2795158abf86SHaggai Eran } 2796e126ba97SEli Cohen 2797e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 2798938fe83cSSaeed Mahameed attr->max_rd_atomic > 2799158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 2800158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 2801158abf86SHaggai Eran attr->max_rd_atomic); 2802e126ba97SEli Cohen goto out; 2803158abf86SHaggai Eran } 2804e126ba97SEli Cohen 2805e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 2806938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 2807158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 2808158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 2809158abf86SHaggai Eran attr->max_dest_rd_atomic); 2810e126ba97SEli Cohen goto out; 2811158abf86SHaggai Eran } 2812e126ba97SEli Cohen 2813e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 2814e126ba97SEli Cohen err = 0; 2815e126ba97SEli Cohen goto out; 2816e126ba97SEli Cohen } 2817e126ba97SEli Cohen 2818e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 2819e126ba97SEli Cohen 2820e126ba97SEli Cohen out: 2821e126ba97SEli Cohen mutex_unlock(&qp->mutex); 2822e126ba97SEli Cohen return err; 2823e126ba97SEli Cohen } 2824e126ba97SEli Cohen 2825e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 2826e126ba97SEli Cohen { 2827e126ba97SEli Cohen struct mlx5_ib_cq *cq; 2828e126ba97SEli Cohen unsigned cur; 2829e126ba97SEli Cohen 2830e126ba97SEli Cohen cur = wq->head - wq->tail; 2831e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 2832e126ba97SEli Cohen return 0; 2833e126ba97SEli Cohen 2834e126ba97SEli Cohen cq = to_mcq(ib_cq); 2835e126ba97SEli Cohen spin_lock(&cq->lock); 2836e126ba97SEli Cohen cur = wq->head - wq->tail; 2837e126ba97SEli Cohen spin_unlock(&cq->lock); 2838e126ba97SEli Cohen 2839e126ba97SEli Cohen return cur + nreq >= wq->max_post; 2840e126ba97SEli Cohen } 2841e126ba97SEli Cohen 2842e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 2843e126ba97SEli Cohen u64 remote_addr, u32 rkey) 2844e126ba97SEli Cohen { 2845e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 2846e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 2847e126ba97SEli Cohen rseg->reserved = 0; 2848e126ba97SEli Cohen } 2849e126ba97SEli Cohen 2850f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 2851f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 2852f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 2853f0313965SErez Shitrit { 2854f0313965SErez Shitrit void *seg = eseg; 2855f0313965SErez Shitrit 2856f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 2857f0313965SErez Shitrit 2858f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 2859f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 2860f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 2861f0313965SErez Shitrit 2862f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 2863f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 2864f0313965SErez Shitrit 2865f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 2866f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 2867f0313965SErez Shitrit int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start); 2868f0313965SErez Shitrit u64 left, leftlen, copysz; 2869f0313965SErez Shitrit void *pdata = ud_wr->header; 2870f0313965SErez Shitrit 2871f0313965SErez Shitrit left = ud_wr->hlen; 2872f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 2873f0313965SErez Shitrit eseg->inline_hdr_sz = cpu_to_be16(left); 2874f0313965SErez Shitrit 2875f0313965SErez Shitrit /* 2876f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 2877f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 2878f0313965SErez Shitrit * rollback and than the copy the left 2879f0313965SErez Shitrit */ 2880f0313965SErez Shitrit leftlen = qend - (void *)eseg->inline_hdr_start; 2881f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 2882f0313965SErez Shitrit 2883f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 2884f0313965SErez Shitrit 2885f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 2886f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 2887f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 2888f0313965SErez Shitrit } 2889f0313965SErez Shitrit 2890f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 2891f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 2892f0313965SErez Shitrit left -= copysz; 2893f0313965SErez Shitrit pdata += copysz; 2894f0313965SErez Shitrit memcpy(seg, pdata, left); 2895f0313965SErez Shitrit seg += ALIGN(left, 16); 2896f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 2897f0313965SErez Shitrit } 2898f0313965SErez Shitrit } 2899f0313965SErez Shitrit 2900f0313965SErez Shitrit return seg; 2901f0313965SErez Shitrit } 2902f0313965SErez Shitrit 2903e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 2904e126ba97SEli Cohen struct ib_send_wr *wr) 2905e126ba97SEli Cohen { 2906e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 2907e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 2908e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 2909e126ba97SEli Cohen } 2910e126ba97SEli Cohen 2911e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 2912e126ba97SEli Cohen { 2913e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 2914e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 2915e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 2916e126ba97SEli Cohen } 2917e126ba97SEli Cohen 2918e126ba97SEli Cohen static __be16 get_klm_octo(int npages) 2919e126ba97SEli Cohen { 2920e126ba97SEli Cohen return cpu_to_be16(ALIGN(npages, 8) / 2); 2921e126ba97SEli Cohen } 2922e126ba97SEli Cohen 2923e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 2924e126ba97SEli Cohen { 2925e126ba97SEli Cohen u64 result; 2926e126ba97SEli Cohen 2927e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 2928e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2929e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2930e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 2931e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 2932e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2933e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2934e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2935e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2936e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2937e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 2938e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2939e126ba97SEli Cohen 2940e126ba97SEli Cohen return cpu_to_be64(result); 2941e126ba97SEli Cohen } 2942e126ba97SEli Cohen 2943e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 2944e6631814SSagi Grimberg { 2945e6631814SSagi Grimberg u64 result; 2946e6631814SSagi Grimberg 2947e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 2948e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 2949e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 2950d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 2951e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 2952e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 2953e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 2954e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 2955e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 2956e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 2957e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 2958e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 2959e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 2960e6631814SSagi Grimberg 2961e6631814SSagi Grimberg return cpu_to_be64(result); 2962e6631814SSagi Grimberg } 2963e6631814SSagi Grimberg 29648a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 29658a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 29668a187ee5SSagi Grimberg { 29678a187ee5SSagi Grimberg int ndescs = mr->ndescs; 29688a187ee5SSagi Grimberg 29698a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 2970b005d316SSagi Grimberg 2971ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 2972b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 2973b005d316SSagi Grimberg ndescs *= 2; 2974b005d316SSagi Grimberg 29758a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 29768a187ee5SSagi Grimberg umr->klm_octowords = get_klm_octo(ndescs); 29778a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 29788a187ee5SSagi Grimberg } 29798a187ee5SSagi Grimberg 2980dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 2981e126ba97SEli Cohen { 2982e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 2983e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 2984e126ba97SEli Cohen umr->flags = 1 << 7; 2985e126ba97SEli Cohen } 2986e126ba97SEli Cohen 2987968e78ddSHaggai Eran static __be64 get_umr_reg_mr_mask(void) 2988e126ba97SEli Cohen { 2989968e78ddSHaggai Eran u64 result; 2990e126ba97SEli Cohen 2991968e78ddSHaggai Eran result = MLX5_MKEY_MASK_LEN | 2992e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2993e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2994e126ba97SEli Cohen MLX5_MKEY_MASK_PD | 2995e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2996e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2997746b5583SEli Cohen MLX5_MKEY_MASK_KEY | 2998e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2999e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3000e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3001e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3002968e78ddSHaggai Eran 3003968e78ddSHaggai Eran return cpu_to_be64(result); 3004968e78ddSHaggai Eran } 3005968e78ddSHaggai Eran 3006968e78ddSHaggai Eran static __be64 get_umr_unreg_mr_mask(void) 3007968e78ddSHaggai Eran { 3008968e78ddSHaggai Eran u64 result; 3009968e78ddSHaggai Eran 3010968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3011968e78ddSHaggai Eran 3012968e78ddSHaggai Eran return cpu_to_be64(result); 3013968e78ddSHaggai Eran } 3014968e78ddSHaggai Eran 3015968e78ddSHaggai Eran static __be64 get_umr_update_mtt_mask(void) 3016968e78ddSHaggai Eran { 3017968e78ddSHaggai Eran u64 result; 3018968e78ddSHaggai Eran 3019968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3020968e78ddSHaggai Eran 3021968e78ddSHaggai Eran return cpu_to_be64(result); 3022968e78ddSHaggai Eran } 3023968e78ddSHaggai Eran 302456e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 302556e11d62SNoa Osherovich { 302656e11d62SNoa Osherovich u64 result; 302756e11d62SNoa Osherovich 302856e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 302956e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 303056e11d62SNoa Osherovich MLX5_MKEY_MASK_START_ADDR | 303156e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 303256e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 303356e11d62SNoa Osherovich 303456e11d62SNoa Osherovich return cpu_to_be64(result); 303556e11d62SNoa Osherovich } 303656e11d62SNoa Osherovich 303756e11d62SNoa Osherovich static __be64 get_umr_update_access_mask(void) 303856e11d62SNoa Osherovich { 303956e11d62SNoa Osherovich u64 result; 304056e11d62SNoa Osherovich 304156e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LW | 304256e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 304356e11d62SNoa Osherovich MLX5_MKEY_MASK_RW | 304456e11d62SNoa Osherovich MLX5_MKEY_MASK_A | 304556e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 304656e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 304756e11d62SNoa Osherovich 304856e11d62SNoa Osherovich return cpu_to_be64(result); 304956e11d62SNoa Osherovich } 305056e11d62SNoa Osherovich 305156e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 305256e11d62SNoa Osherovich { 305356e11d62SNoa Osherovich u64 result; 305456e11d62SNoa Osherovich 305556e11d62SNoa Osherovich result = MLX5_MKEY_MASK_PD | 305656e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 305756e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 305856e11d62SNoa Osherovich 305956e11d62SNoa Osherovich return cpu_to_be64(result); 306056e11d62SNoa Osherovich } 306156e11d62SNoa Osherovich 3062968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3063968e78ddSHaggai Eran struct ib_send_wr *wr) 3064968e78ddSHaggai Eran { 3065e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3066968e78ddSHaggai Eran 3067968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3068968e78ddSHaggai Eran 3069968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3070968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3071968e78ddSHaggai Eran else 3072968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3073968e78ddSHaggai Eran 3074968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UNREG)) { 3075968e78ddSHaggai Eran umr->klm_octowords = get_klm_octo(umrwr->npages); 3076968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT) { 3077968e78ddSHaggai Eran umr->mkey_mask = get_umr_update_mtt_mask(); 3078968e78ddSHaggai Eran umr->bsf_octowords = get_klm_octo(umrwr->target.offset); 3079968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3080968e78ddSHaggai Eran } 308156e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 308256e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 308356e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_ACCESS) 308456e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_access_mask(); 308556e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD) 308656e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 308756e11d62SNoa Osherovich if (!umr->mkey_mask) 308856e11d62SNoa Osherovich umr->mkey_mask = get_umr_reg_mr_mask(); 3089968e78ddSHaggai Eran } else { 3090968e78ddSHaggai Eran umr->mkey_mask = get_umr_unreg_mr_mask(); 3091e126ba97SEli Cohen } 3092e126ba97SEli Cohen 3093e126ba97SEli Cohen if (!wr->num_sge) 3094968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3095e126ba97SEli Cohen } 3096e126ba97SEli Cohen 3097e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3098e126ba97SEli Cohen { 3099e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3100e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3101e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3102e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 31032ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3104e126ba97SEli Cohen } 3105e126ba97SEli Cohen 31068a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 31078a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 31088a187ee5SSagi Grimberg u32 key, int access) 31098a187ee5SSagi Grimberg { 31108a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 31118a187ee5SSagi Grimberg 31128a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3113b005d316SSagi Grimberg 3114ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3115b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3116ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3117b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3118b005d316SSagi Grimberg ndescs *= 2; 3119b005d316SSagi Grimberg 3120b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 31218a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 31228a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 31238a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 31248a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 31258a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 31268a187ee5SSagi Grimberg } 31278a187ee5SSagi Grimberg 3128dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3129e126ba97SEli Cohen { 3130e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3131968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3132e126ba97SEli Cohen } 3133e126ba97SEli Cohen 3134e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3135e126ba97SEli Cohen { 3136e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3137968e78ddSHaggai Eran 3138e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3139e126ba97SEli Cohen if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) { 3140968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3141e126ba97SEli Cohen return; 3142e126ba97SEli Cohen } 3143e126ba97SEli Cohen 3144968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 3145968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT)) { 314656e11d62SNoa Osherovich if (umrwr->pd) 3147968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 3148968e78ddSHaggai Eran seg->start_addr = cpu_to_be64(umrwr->target.virt_addr); 3149968e78ddSHaggai Eran } 3150968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3151968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3152746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3153968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3154e126ba97SEli Cohen } 3155e126ba97SEli Cohen 31568a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 31578a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 31588a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 31598a187ee5SSagi Grimberg { 31608a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 31618a187ee5SSagi Grimberg 31628a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 31638a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 31648a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 31658a187ee5SSagi Grimberg } 31668a187ee5SSagi Grimberg 3167e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3168e126ba97SEli Cohen { 3169e126ba97SEli Cohen switch (wr->opcode) { 3170e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3171e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3172e126ba97SEli Cohen return wr->ex.imm_data; 3173e126ba97SEli Cohen 3174e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3175e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3176e126ba97SEli Cohen 3177e126ba97SEli Cohen default: 3178e126ba97SEli Cohen return 0; 3179e126ba97SEli Cohen } 3180e126ba97SEli Cohen } 3181e126ba97SEli Cohen 3182e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3183e126ba97SEli Cohen { 3184e126ba97SEli Cohen u8 *p = wqe; 3185e126ba97SEli Cohen u8 res = 0; 3186e126ba97SEli Cohen int i; 3187e126ba97SEli Cohen 3188e126ba97SEli Cohen for (i = 0; i < size; i++) 3189e126ba97SEli Cohen res ^= p[i]; 3190e126ba97SEli Cohen 3191e126ba97SEli Cohen return ~res; 3192e126ba97SEli Cohen } 3193e126ba97SEli Cohen 3194e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3195e126ba97SEli Cohen { 3196e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3197e126ba97SEli Cohen } 3198e126ba97SEli Cohen 3199e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3200e126ba97SEli Cohen void *wqe, int *sz) 3201e126ba97SEli Cohen { 3202e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3203e126ba97SEli Cohen void *qend = qp->sq.qend; 3204e126ba97SEli Cohen void *addr; 3205e126ba97SEli Cohen int inl = 0; 3206e126ba97SEli Cohen int copy; 3207e126ba97SEli Cohen int len; 3208e126ba97SEli Cohen int i; 3209e126ba97SEli Cohen 3210e126ba97SEli Cohen seg = wqe; 3211e126ba97SEli Cohen wqe += sizeof(*seg); 3212e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3213e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3214e126ba97SEli Cohen len = wr->sg_list[i].length; 3215e126ba97SEli Cohen inl += len; 3216e126ba97SEli Cohen 3217e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3218e126ba97SEli Cohen return -ENOMEM; 3219e126ba97SEli Cohen 3220e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3221e126ba97SEli Cohen copy = qend - wqe; 3222e126ba97SEli Cohen memcpy(wqe, addr, copy); 3223e126ba97SEli Cohen addr += copy; 3224e126ba97SEli Cohen len -= copy; 3225e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3226e126ba97SEli Cohen } 3227e126ba97SEli Cohen memcpy(wqe, addr, len); 3228e126ba97SEli Cohen wqe += len; 3229e126ba97SEli Cohen } 3230e126ba97SEli Cohen 3231e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3232e126ba97SEli Cohen 3233e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3234e126ba97SEli Cohen 3235e126ba97SEli Cohen return 0; 3236e126ba97SEli Cohen } 3237e126ba97SEli Cohen 3238e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3239e6631814SSagi Grimberg { 3240e6631814SSagi Grimberg switch (type) { 3241e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3242e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3243e6631814SSagi Grimberg default: 3244e6631814SSagi Grimberg return 0; 3245e6631814SSagi Grimberg } 3246e6631814SSagi Grimberg } 3247e6631814SSagi Grimberg 3248e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3249e6631814SSagi Grimberg { 3250e6631814SSagi Grimberg switch (block_size) { 3251e6631814SSagi Grimberg case 512: return 0x1; 3252e6631814SSagi Grimberg case 520: return 0x2; 3253e6631814SSagi Grimberg case 4096: return 0x3; 3254e6631814SSagi Grimberg case 4160: return 0x4; 3255e6631814SSagi Grimberg case 1073741824: return 0x5; 3256e6631814SSagi Grimberg default: return 0; 3257e6631814SSagi Grimberg } 3258e6631814SSagi Grimberg } 3259e6631814SSagi Grimberg 326078eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3261142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3262e6631814SSagi Grimberg { 3263142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3264142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3265142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3266142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3267142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3268142537f4SSagi Grimberg /* repeating block */ 3269142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3270142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3271142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3272e6631814SSagi Grimberg 327378eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 327478eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3275e6631814SSagi Grimberg 327678eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 327778eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 327878eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 327978eda2bbSSagi Grimberg else 328078eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3281e6631814SSagi Grimberg } 3282e6631814SSagi Grimberg 328378eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 328478eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3285e6631814SSagi Grimberg } 3286e6631814SSagi Grimberg 3287e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3288e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3289e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3290e6631814SSagi Grimberg { 3291e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3292e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3293e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3294e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3295e6631814SSagi Grimberg 3296c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3297e6631814SSagi Grimberg 3298142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3299142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3300e6631814SSagi Grimberg /* Input domain check byte mask */ 3301e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 330278eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 330378eda2bbSSagi Grimberg 330478eda2bbSSagi Grimberg /* Memory domain */ 330578eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 330678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 330778eda2bbSSagi Grimberg break; 330878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 330978eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 331078eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 331178eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 331278eda2bbSSagi Grimberg break; 331378eda2bbSSagi Grimberg default: 331478eda2bbSSagi Grimberg return -EINVAL; 331578eda2bbSSagi Grimberg } 331678eda2bbSSagi Grimberg 331778eda2bbSSagi Grimberg /* Wire domain */ 331878eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 331978eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 332078eda2bbSSagi Grimberg break; 332178eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3322e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 332378eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3324e6631814SSagi Grimberg /* Same block structure */ 3325142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3326e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3327fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3328c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3329fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3330c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3331fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3332e6631814SSagi Grimberg } else 3333e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3334e6631814SSagi Grimberg 3335142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 333678eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3337e6631814SSagi Grimberg break; 3338e6631814SSagi Grimberg default: 3339e6631814SSagi Grimberg return -EINVAL; 3340e6631814SSagi Grimberg } 3341e6631814SSagi Grimberg 3342e6631814SSagi Grimberg return 0; 3343e6631814SSagi Grimberg } 3344e6631814SSagi Grimberg 3345e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3346e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3347e6631814SSagi Grimberg { 3348e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3349e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3350e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3351e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3352e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3353e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3354e6631814SSagi Grimberg int ret; 3355e6631814SSagi Grimberg int wqe_size; 3356e6631814SSagi Grimberg 3357e622f2f4SChristoph Hellwig if (!wr->prot || 3358e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3359e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3360e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3361e6631814SSagi Grimberg /** 3362e6631814SSagi Grimberg * Source domain doesn't contain signature information 33635c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3364e6631814SSagi Grimberg * So need construct: 3365e6631814SSagi Grimberg * ------------------ 3366e6631814SSagi Grimberg * | data_klm | 3367e6631814SSagi Grimberg * ------------------ 3368e6631814SSagi Grimberg * | BSF | 3369e6631814SSagi Grimberg * ------------------ 3370e6631814SSagi Grimberg **/ 3371e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3372e6631814SSagi Grimberg 3373e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3374e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3375e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3376e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3377e6631814SSagi Grimberg } else { 3378e6631814SSagi Grimberg /** 3379e6631814SSagi Grimberg * Source domain contains signature information 3380e6631814SSagi Grimberg * So need construct a strided block format: 3381e6631814SSagi Grimberg * --------------------------- 3382e6631814SSagi Grimberg * | stride_block_ctrl | 3383e6631814SSagi Grimberg * --------------------------- 3384e6631814SSagi Grimberg * | data_klm | 3385e6631814SSagi Grimberg * --------------------------- 3386e6631814SSagi Grimberg * | prot_klm | 3387e6631814SSagi Grimberg * --------------------------- 3388e6631814SSagi Grimberg * | BSF | 3389e6631814SSagi Grimberg * --------------------------- 3390e6631814SSagi Grimberg **/ 3391e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3392e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3393e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3394e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3395e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3396e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3397e6631814SSagi Grimberg int prot_size; 3398e6631814SSagi Grimberg 3399e6631814SSagi Grimberg sblock_ctrl = *seg; 3400e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3401e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3402e6631814SSagi Grimberg 3403e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3404e6631814SSagi Grimberg if (!prot_size) { 3405e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3406e6631814SSagi Grimberg return -EINVAL; 3407e6631814SSagi Grimberg } 3408e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3409e6631814SSagi Grimberg prot_size); 3410e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3411e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3412e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3413e6631814SSagi Grimberg 3414e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3415e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3416e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 34175c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 34185c273b16SSagi Grimberg 3419e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3420e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3421e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3422e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 34235c273b16SSagi Grimberg 3424e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3425e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3426e6631814SSagi Grimberg } 3427e6631814SSagi Grimberg 3428e6631814SSagi Grimberg *seg += wqe_size; 3429e6631814SSagi Grimberg *size += wqe_size / 16; 3430e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3431e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3432e6631814SSagi Grimberg 3433e6631814SSagi Grimberg bsf = *seg; 3434e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3435e6631814SSagi Grimberg if (ret) 3436e6631814SSagi Grimberg return -EINVAL; 3437e6631814SSagi Grimberg 3438e6631814SSagi Grimberg *seg += sizeof(*bsf); 3439e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3440e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3441e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3442e6631814SSagi Grimberg 3443e6631814SSagi Grimberg return 0; 3444e6631814SSagi Grimberg } 3445e6631814SSagi Grimberg 3446e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 3447e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr, u32 nelements, 3448e6631814SSagi Grimberg u32 length, u32 pdn) 3449e6631814SSagi Grimberg { 3450e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3451e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3452d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3453e6631814SSagi Grimberg 3454e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3455e6631814SSagi Grimberg 3456e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3457ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3458e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3459d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3460e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3461e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 3462e6631814SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements))); 3463e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3464e6631814SSagi Grimberg } 3465e6631814SSagi Grimberg 3466e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3467e622f2f4SChristoph Hellwig u32 nelements) 3468e6631814SSagi Grimberg { 3469e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3470e6631814SSagi Grimberg 3471e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 3472e6631814SSagi Grimberg umr->klm_octowords = get_klm_octo(nelements); 3473e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3474e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3475e6631814SSagi Grimberg } 3476e6631814SSagi Grimberg 3477e6631814SSagi Grimberg 3478e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3479e6631814SSagi Grimberg void **seg, int *size) 3480e6631814SSagi Grimberg { 3481e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3482e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3483e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 3484e6631814SSagi Grimberg u32 klm_oct_size; 3485e6631814SSagi Grimberg int region_len, ret; 3486e6631814SSagi Grimberg 3487e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3488e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3489d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3490d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3491e6631814SSagi Grimberg return -EINVAL; 3492e6631814SSagi Grimberg 3493e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3494e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3495e622f2f4SChristoph Hellwig if (wr->prot && 3496e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3497e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3498e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3499e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3500e6631814SSagi Grimberg 3501e6631814SSagi Grimberg /** 3502e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3503e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3504e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3505e6631814SSagi Grimberg **/ 3506e622f2f4SChristoph Hellwig klm_oct_size = wr->prot ? 3 : 1; 3507e6631814SSagi Grimberg 3508e622f2f4SChristoph Hellwig set_sig_umr_segment(*seg, klm_oct_size); 3509e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3510e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3511e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3512e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3513e6631814SSagi Grimberg 3514e6631814SSagi Grimberg set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn); 3515e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3516e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3517e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3518e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3519e6631814SSagi Grimberg 3520e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3521e6631814SSagi Grimberg if (ret) 3522e6631814SSagi Grimberg return ret; 3523e6631814SSagi Grimberg 3524d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3525e6631814SSagi Grimberg return 0; 3526e6631814SSagi Grimberg } 3527e6631814SSagi Grimberg 3528e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3529e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3530e6631814SSagi Grimberg { 3531e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3532e6631814SSagi Grimberg 3533e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3534e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3535e6631814SSagi Grimberg switch (domain->sig_type) { 353678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 353778eda2bbSSagi Grimberg break; 3538e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3539e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3540e6631814SSagi Grimberg domain->sig.dif.app_tag); 3541e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3542e6631814SSagi Grimberg break; 3543e6631814SSagi Grimberg default: 3544e6631814SSagi Grimberg pr_err("Bad signature type given.\n"); 3545e6631814SSagi Grimberg return 1; 3546e6631814SSagi Grimberg } 3547e6631814SSagi Grimberg 354878eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 354978eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 355078eda2bbSSagi Grimberg 3551e6631814SSagi Grimberg return 0; 3552e6631814SSagi Grimberg } 3553e6631814SSagi Grimberg 35548a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 35558a187ee5SSagi Grimberg struct ib_reg_wr *wr, 35568a187ee5SSagi Grimberg void **seg, int *size) 35578a187ee5SSagi Grimberg { 35588a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 35598a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 35608a187ee5SSagi Grimberg 35618a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 35628a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 35638a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 35648a187ee5SSagi Grimberg return -EINVAL; 35658a187ee5SSagi Grimberg } 35668a187ee5SSagi Grimberg 35678a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 35688a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 35698a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 35708a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 35718a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 35728a187ee5SSagi Grimberg 35738a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 35748a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 35758a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 35768a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 35778a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 35788a187ee5SSagi Grimberg 35798a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 35808a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 35818a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 35828a187ee5SSagi Grimberg 35838a187ee5SSagi Grimberg return 0; 35848a187ee5SSagi Grimberg } 35858a187ee5SSagi Grimberg 3586dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3587e126ba97SEli Cohen { 3588dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3589e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3590e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3591e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3592e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3593dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3594e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3595e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3596e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3597e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3598e126ba97SEli Cohen } 3599e126ba97SEli Cohen 3600e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3601e126ba97SEli Cohen { 3602e126ba97SEli Cohen __be32 *p = NULL; 3603e126ba97SEli Cohen int tidx = idx; 3604e126ba97SEli Cohen int i, j; 3605e126ba97SEli Cohen 3606e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3607e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3608e126ba97SEli Cohen if ((i & 0xf) == 0) { 3609e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3610e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3611e126ba97SEli Cohen p = buf; 3612e126ba97SEli Cohen j = 0; 3613e126ba97SEli Cohen } 3614e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3615e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3616e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3617e126ba97SEli Cohen } 3618e126ba97SEli Cohen } 3619e126ba97SEli Cohen 3620e126ba97SEli Cohen static void mlx5_bf_copy(u64 __iomem *dst, u64 *src, 3621e126ba97SEli Cohen unsigned bytecnt, struct mlx5_ib_qp *qp) 3622e126ba97SEli Cohen { 3623e126ba97SEli Cohen while (bytecnt > 0) { 3624e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3625e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3626e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3627e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3628e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3629e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3630e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3631e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3632e126ba97SEli Cohen bytecnt -= 64; 3633e126ba97SEli Cohen if (unlikely(src == qp->sq.qend)) 3634e126ba97SEli Cohen src = mlx5_get_send_wqe(qp, 0); 3635e126ba97SEli Cohen } 3636e126ba97SEli Cohen } 3637e126ba97SEli Cohen 3638e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr) 3639e126ba97SEli Cohen { 3640e126ba97SEli Cohen if (unlikely(wr->opcode == IB_WR_LOCAL_INV && 3641e126ba97SEli Cohen wr->send_flags & IB_SEND_FENCE)) 3642e126ba97SEli Cohen return MLX5_FENCE_MODE_STRONG_ORDERING; 3643e126ba97SEli Cohen 3644e126ba97SEli Cohen if (unlikely(fence)) { 3645e126ba97SEli Cohen if (wr->send_flags & IB_SEND_FENCE) 3646e126ba97SEli Cohen return MLX5_FENCE_MODE_SMALL_AND_FENCE; 3647e126ba97SEli Cohen else 3648e126ba97SEli Cohen return fence; 3649c9b25495SEli Cohen } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { 3650c9b25495SEli Cohen return MLX5_FENCE_MODE_FENCE; 3651e126ba97SEli Cohen } 3652c9b25495SEli Cohen 3653c9b25495SEli Cohen return 0; 3654e126ba97SEli Cohen } 3655e126ba97SEli Cohen 36566e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 36576e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 36586a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 36596e5eadacSSagi Grimberg int *size, int nreq) 36606e5eadacSSagi Grimberg { 36616e5eadacSSagi Grimberg int err = 0; 36626e5eadacSSagi Grimberg 36636e5eadacSSagi Grimberg if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) { 36646e5eadacSSagi Grimberg err = -ENOMEM; 36656e5eadacSSagi Grimberg return err; 36666e5eadacSSagi Grimberg } 36676e5eadacSSagi Grimberg 36686e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 36696e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 36706e5eadacSSagi Grimberg *ctrl = *seg; 36716e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 36726e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 36736e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 36746e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 36756e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 36766e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 36776e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 36786e5eadacSSagi Grimberg 36796e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 36806e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 36816e5eadacSSagi Grimberg 36826e5eadacSSagi Grimberg return err; 36836e5eadacSSagi Grimberg } 36846e5eadacSSagi Grimberg 36856e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 36866e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 36876e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 36886e5eadacSSagi Grimberg int nreq, u8 fence, u8 next_fence, 36896e5eadacSSagi Grimberg u32 mlx5_opcode) 36906e5eadacSSagi Grimberg { 36916e5eadacSSagi Grimberg u8 opmod = 0; 36926e5eadacSSagi Grimberg 36936e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 36946e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 369519098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 36966e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 36976e5eadacSSagi Grimberg qp->fm_cache = next_fence; 36986e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 36996e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 37006e5eadacSSagi Grimberg 37016e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 37026e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 37036e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 37046e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 37056e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 37066e5eadacSSagi Grimberg } 37076e5eadacSSagi Grimberg 37086e5eadacSSagi Grimberg 3709e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3710e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3711e126ba97SEli Cohen { 3712e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3713e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 371489ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 3715d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3716e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3717e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3718e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3719d16e91daSHaggai Eran struct mlx5_bf *bf; 3720e126ba97SEli Cohen int uninitialized_var(size); 3721d16e91daSHaggai Eran void *qend; 3722e126ba97SEli Cohen unsigned long flags; 3723e126ba97SEli Cohen unsigned idx; 3724e126ba97SEli Cohen int err = 0; 3725e126ba97SEli Cohen int inl = 0; 3726e126ba97SEli Cohen int num_sge; 3727e126ba97SEli Cohen void *seg; 3728e126ba97SEli Cohen int nreq; 3729e126ba97SEli Cohen int i; 3730e126ba97SEli Cohen u8 next_fence = 0; 3731e126ba97SEli Cohen u8 fence; 3732e126ba97SEli Cohen 3733d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3734d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3735d16e91daSHaggai Eran 3736d16e91daSHaggai Eran qp = to_mqp(ibqp); 3737d16e91daSHaggai Eran bf = qp->bf; 3738d16e91daSHaggai Eran qend = qp->sq.qend; 3739d16e91daSHaggai Eran 3740e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3741e126ba97SEli Cohen 374289ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 374389ea94a7SMaor Gottlieb err = -EIO; 374489ea94a7SMaor Gottlieb *bad_wr = wr; 374589ea94a7SMaor Gottlieb nreq = 0; 374689ea94a7SMaor Gottlieb goto out; 374789ea94a7SMaor Gottlieb } 374889ea94a7SMaor Gottlieb 3749e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3750a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3751e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3752e126ba97SEli Cohen err = -EINVAL; 3753e126ba97SEli Cohen *bad_wr = wr; 3754e126ba97SEli Cohen goto out; 3755e126ba97SEli Cohen } 3756e126ba97SEli Cohen 3757e126ba97SEli Cohen fence = qp->fm_cache; 3758e126ba97SEli Cohen num_sge = wr->num_sge; 3759e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3760e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3761e126ba97SEli Cohen err = -ENOMEM; 3762e126ba97SEli Cohen *bad_wr = wr; 3763e126ba97SEli Cohen goto out; 3764e126ba97SEli Cohen } 3765e126ba97SEli Cohen 37666e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 37676e5eadacSSagi Grimberg if (err) { 37686e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 37696e5eadacSSagi Grimberg err = -ENOMEM; 37706e5eadacSSagi Grimberg *bad_wr = wr; 37716e5eadacSSagi Grimberg goto out; 37726e5eadacSSagi Grimberg } 3773e126ba97SEli Cohen 3774e126ba97SEli Cohen switch (ibqp->qp_type) { 3775e126ba97SEli Cohen case IB_QPT_XRC_INI: 3776e126ba97SEli Cohen xrc = seg; 3777e126ba97SEli Cohen seg += sizeof(*xrc); 3778e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3779e126ba97SEli Cohen /* fall through */ 3780e126ba97SEli Cohen case IB_QPT_RC: 3781e126ba97SEli Cohen switch (wr->opcode) { 3782e126ba97SEli Cohen case IB_WR_RDMA_READ: 3783e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3784e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3785e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3786e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3787e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3788e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3789e126ba97SEli Cohen break; 3790e126ba97SEli Cohen 3791e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3792e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3793e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 379481bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 379581bea28fSEli Cohen err = -ENOSYS; 379681bea28fSEli Cohen *bad_wr = wr; 379781bea28fSEli Cohen goto out; 3798e126ba97SEli Cohen 3799e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3800e126ba97SEli Cohen next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3801e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3802e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3803dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3804e126ba97SEli Cohen num_sge = 0; 3805e126ba97SEli Cohen break; 3806e126ba97SEli Cohen 38078a187ee5SSagi Grimberg case IB_WR_REG_MR: 38088a187ee5SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 38098a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 38108a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 38118a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 38128a187ee5SSagi Grimberg if (err) { 38138a187ee5SSagi Grimberg *bad_wr = wr; 38148a187ee5SSagi Grimberg goto out; 38158a187ee5SSagi Grimberg } 38168a187ee5SSagi Grimberg num_sge = 0; 38178a187ee5SSagi Grimberg break; 38188a187ee5SSagi Grimberg 3819e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 3820e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 3821e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 3822e6631814SSagi Grimberg 3823e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 3824e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 3825e6631814SSagi Grimberg if (err) { 3826e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3827e6631814SSagi Grimberg *bad_wr = wr; 3828e6631814SSagi Grimberg goto out; 3829e6631814SSagi Grimberg } 3830e6631814SSagi Grimberg 3831e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3832e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3833e6631814SSagi Grimberg next_fence, MLX5_OPCODE_UMR); 3834e6631814SSagi Grimberg /* 3835e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 3836e6631814SSagi Grimberg * on error 3837e6631814SSagi Grimberg */ 3838e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 3839e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 3840e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3841e6631814SSagi Grimberg &idx, &size, nreq); 3842e6631814SSagi Grimberg if (err) { 3843e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3844e6631814SSagi Grimberg err = -ENOMEM; 3845e6631814SSagi Grimberg *bad_wr = wr; 3846e6631814SSagi Grimberg goto out; 3847e6631814SSagi Grimberg } 3848e6631814SSagi Grimberg 3849e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 3850e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 3851e6631814SSagi Grimberg &size); 3852e6631814SSagi Grimberg if (err) { 3853e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3854e6631814SSagi Grimberg *bad_wr = wr; 3855e6631814SSagi Grimberg goto out; 3856e6631814SSagi Grimberg } 3857e6631814SSagi Grimberg 3858e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3859e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3860e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3861e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3862e6631814SSagi Grimberg &idx, &size, nreq); 3863e6631814SSagi Grimberg if (err) { 3864e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3865e6631814SSagi Grimberg err = -ENOMEM; 3866e6631814SSagi Grimberg *bad_wr = wr; 3867e6631814SSagi Grimberg goto out; 3868e6631814SSagi Grimberg } 3869e6631814SSagi Grimberg 3870e6631814SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3871e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 3872e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 3873e6631814SSagi Grimberg &size); 3874e6631814SSagi Grimberg if (err) { 3875e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3876e6631814SSagi Grimberg *bad_wr = wr; 3877e6631814SSagi Grimberg goto out; 3878e6631814SSagi Grimberg } 3879e6631814SSagi Grimberg 3880e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3881e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3882e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3883e6631814SSagi Grimberg num_sge = 0; 3884e6631814SSagi Grimberg goto skip_psv; 3885e6631814SSagi Grimberg 3886e126ba97SEli Cohen default: 3887e126ba97SEli Cohen break; 3888e126ba97SEli Cohen } 3889e126ba97SEli Cohen break; 3890e126ba97SEli Cohen 3891e126ba97SEli Cohen case IB_QPT_UC: 3892e126ba97SEli Cohen switch (wr->opcode) { 3893e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3894e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3895e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3896e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3897e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3898e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3899e126ba97SEli Cohen break; 3900e126ba97SEli Cohen 3901e126ba97SEli Cohen default: 3902e126ba97SEli Cohen break; 3903e126ba97SEli Cohen } 3904e126ba97SEli Cohen break; 3905e126ba97SEli Cohen 3906e126ba97SEli Cohen case IB_QPT_SMI: 3907d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 3908e126ba97SEli Cohen set_datagram_seg(seg, wr); 3909e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 3910e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3911e126ba97SEli Cohen if (unlikely((seg == qend))) 3912e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3913e126ba97SEli Cohen break; 3914f0313965SErez Shitrit case IB_QPT_UD: 3915f0313965SErez Shitrit set_datagram_seg(seg, wr); 3916f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 3917f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3918e126ba97SEli Cohen 3919f0313965SErez Shitrit if (unlikely((seg == qend))) 3920f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3921f0313965SErez Shitrit 3922f0313965SErez Shitrit /* handle qp that supports ud offload */ 3923f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 3924f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 3925f0313965SErez Shitrit 3926f0313965SErez Shitrit pad = seg; 3927f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 3928f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 3929f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 3930f0313965SErez Shitrit 3931f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 3932f0313965SErez Shitrit 3933f0313965SErez Shitrit if (unlikely((seg == qend))) 3934f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3935f0313965SErez Shitrit } 3936f0313965SErez Shitrit break; 3937e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 3938e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 3939e126ba97SEli Cohen err = -EINVAL; 3940e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 3941e126ba97SEli Cohen goto out; 3942e126ba97SEli Cohen } 3943e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 3944e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 3945e126ba97SEli Cohen set_reg_umr_segment(seg, wr); 3946e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3947e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3948e126ba97SEli Cohen if (unlikely((seg == qend))) 3949e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3950e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 3951e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 3952e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 3953e126ba97SEli Cohen if (unlikely((seg == qend))) 3954e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3955e126ba97SEli Cohen break; 3956e126ba97SEli Cohen 3957e126ba97SEli Cohen default: 3958e126ba97SEli Cohen break; 3959e126ba97SEli Cohen } 3960e126ba97SEli Cohen 3961e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 3962e126ba97SEli Cohen int uninitialized_var(sz); 3963e126ba97SEli Cohen 3964e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 3965e126ba97SEli Cohen if (unlikely(err)) { 3966e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3967e126ba97SEli Cohen *bad_wr = wr; 3968e126ba97SEli Cohen goto out; 3969e126ba97SEli Cohen } 3970e126ba97SEli Cohen inl = 1; 3971e126ba97SEli Cohen size += sz; 3972e126ba97SEli Cohen } else { 3973e126ba97SEli Cohen dpseg = seg; 3974e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 3975e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 3976e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3977e126ba97SEli Cohen dpseg = seg; 3978e126ba97SEli Cohen } 3979e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 3980e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 3981e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 3982e126ba97SEli Cohen dpseg++; 3983e126ba97SEli Cohen } 3984e126ba97SEli Cohen } 3985e126ba97SEli Cohen } 3986e126ba97SEli Cohen 39876e5eadacSSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 39886e5eadacSSagi Grimberg get_fence(fence, wr), next_fence, 39896e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 3990e6631814SSagi Grimberg skip_psv: 3991e126ba97SEli Cohen if (0) 3992e126ba97SEli Cohen dump_wqe(qp, idx, size); 3993e126ba97SEli Cohen } 3994e126ba97SEli Cohen 3995e126ba97SEli Cohen out: 3996e126ba97SEli Cohen if (likely(nreq)) { 3997e126ba97SEli Cohen qp->sq.head += nreq; 3998e126ba97SEli Cohen 3999e126ba97SEli Cohen /* Make sure that descriptors are written before 4000e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4001e126ba97SEli Cohen */ 4002e126ba97SEli Cohen wmb(); 4003e126ba97SEli Cohen 4004e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4005e126ba97SEli Cohen 4006ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4007ada388f7SEli Cohen * we hit doorbell */ 4008ada388f7SEli Cohen wmb(); 4009ada388f7SEli Cohen 4010e126ba97SEli Cohen if (bf->need_lock) 4011e126ba97SEli Cohen spin_lock(&bf->lock); 40126a4f139aSEli Cohen else 40136a4f139aSEli Cohen __acquire(&bf->lock); 4014e126ba97SEli Cohen 4015e126ba97SEli Cohen /* TBD enable WC */ 4016e126ba97SEli Cohen if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) { 4017e126ba97SEli Cohen mlx5_bf_copy(bf->reg + bf->offset, (u64 *)ctrl, ALIGN(size * 16, 64), qp); 4018e126ba97SEli Cohen /* wc_wmb(); */ 4019e126ba97SEli Cohen } else { 4020e126ba97SEli Cohen mlx5_write64((__be32 *)ctrl, bf->regreg + bf->offset, 4021e126ba97SEli Cohen MLX5_GET_DOORBELL_LOCK(&bf->lock32)); 4022e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4023e126ba97SEli Cohen * and reach the HCA out of order. 4024e126ba97SEli Cohen */ 4025e126ba97SEli Cohen mmiowb(); 4026e126ba97SEli Cohen } 4027e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4028e126ba97SEli Cohen if (bf->need_lock) 4029e126ba97SEli Cohen spin_unlock(&bf->lock); 40306a4f139aSEli Cohen else 40316a4f139aSEli Cohen __release(&bf->lock); 4032e126ba97SEli Cohen } 4033e126ba97SEli Cohen 4034e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4035e126ba97SEli Cohen 4036e126ba97SEli Cohen return err; 4037e126ba97SEli Cohen } 4038e126ba97SEli Cohen 4039e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4040e126ba97SEli Cohen { 4041e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4042e126ba97SEli Cohen } 4043e126ba97SEli Cohen 4044e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4045e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4046e126ba97SEli Cohen { 4047e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4048e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4049e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 405089ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 405189ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4052e126ba97SEli Cohen unsigned long flags; 4053e126ba97SEli Cohen int err = 0; 4054e126ba97SEli Cohen int nreq; 4055e126ba97SEli Cohen int ind; 4056e126ba97SEli Cohen int i; 4057e126ba97SEli Cohen 4058d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4059d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4060d16e91daSHaggai Eran 4061e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4062e126ba97SEli Cohen 406389ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 406489ea94a7SMaor Gottlieb err = -EIO; 406589ea94a7SMaor Gottlieb *bad_wr = wr; 406689ea94a7SMaor Gottlieb nreq = 0; 406789ea94a7SMaor Gottlieb goto out; 406889ea94a7SMaor Gottlieb } 406989ea94a7SMaor Gottlieb 4070e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4071e126ba97SEli Cohen 4072e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4073e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4074e126ba97SEli Cohen err = -ENOMEM; 4075e126ba97SEli Cohen *bad_wr = wr; 4076e126ba97SEli Cohen goto out; 4077e126ba97SEli Cohen } 4078e126ba97SEli Cohen 4079e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4080e126ba97SEli Cohen err = -EINVAL; 4081e126ba97SEli Cohen *bad_wr = wr; 4082e126ba97SEli Cohen goto out; 4083e126ba97SEli Cohen } 4084e126ba97SEli Cohen 4085e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4086e126ba97SEli Cohen if (qp->wq_sig) 4087e126ba97SEli Cohen scat++; 4088e126ba97SEli Cohen 4089e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4090e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4091e126ba97SEli Cohen 4092e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4093e126ba97SEli Cohen scat[i].byte_count = 0; 4094e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4095e126ba97SEli Cohen scat[i].addr = 0; 4096e126ba97SEli Cohen } 4097e126ba97SEli Cohen 4098e126ba97SEli Cohen if (qp->wq_sig) { 4099e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4100e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4101e126ba97SEli Cohen } 4102e126ba97SEli Cohen 4103e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4104e126ba97SEli Cohen 4105e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4106e126ba97SEli Cohen } 4107e126ba97SEli Cohen 4108e126ba97SEli Cohen out: 4109e126ba97SEli Cohen if (likely(nreq)) { 4110e126ba97SEli Cohen qp->rq.head += nreq; 4111e126ba97SEli Cohen 4112e126ba97SEli Cohen /* Make sure that descriptors are written before 4113e126ba97SEli Cohen * doorbell record. 4114e126ba97SEli Cohen */ 4115e126ba97SEli Cohen wmb(); 4116e126ba97SEli Cohen 4117e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4118e126ba97SEli Cohen } 4119e126ba97SEli Cohen 4120e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4121e126ba97SEli Cohen 4122e126ba97SEli Cohen return err; 4123e126ba97SEli Cohen } 4124e126ba97SEli Cohen 4125e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4126e126ba97SEli Cohen { 4127e126ba97SEli Cohen switch (mlx5_state) { 4128e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4129e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4130e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4131e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4132e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4133e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4134e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4135e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4136e126ba97SEli Cohen default: return -1; 4137e126ba97SEli Cohen } 4138e126ba97SEli Cohen } 4139e126ba97SEli Cohen 4140e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4141e126ba97SEli Cohen { 4142e126ba97SEli Cohen switch (mlx5_mig_state) { 4143e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4144e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4145e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4146e126ba97SEli Cohen default: return -1; 4147e126ba97SEli Cohen } 4148e126ba97SEli Cohen } 4149e126ba97SEli Cohen 4150e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4151e126ba97SEli Cohen { 4152e126ba97SEli Cohen int ib_flags = 0; 4153e126ba97SEli Cohen 4154e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4155e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4156e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4157e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4158e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4159e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4160e126ba97SEli Cohen 4161e126ba97SEli Cohen return ib_flags; 4162e126ba97SEli Cohen } 4163e126ba97SEli Cohen 4164e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, 4165e126ba97SEli Cohen struct mlx5_qp_path *path) 4166e126ba97SEli Cohen { 41679603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4168e126ba97SEli Cohen 4169e126ba97SEli Cohen memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); 4170e126ba97SEli Cohen ib_ah_attr->port_num = path->port; 4171e126ba97SEli Cohen 4172c7a08ac7SEli Cohen if (ib_ah_attr->port_num == 0 || 4173938fe83cSSaeed Mahameed ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) 4174e126ba97SEli Cohen return; 4175e126ba97SEli Cohen 41762811ba51SAchiad Shochat ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; 4177e126ba97SEli Cohen 4178e126ba97SEli Cohen ib_ah_attr->dlid = be16_to_cpu(path->rlid); 4179e126ba97SEli Cohen ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; 4180e126ba97SEli Cohen ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; 4181e126ba97SEli Cohen ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; 4182e126ba97SEli Cohen if (ib_ah_attr->ah_flags) { 4183e126ba97SEli Cohen ib_ah_attr->grh.sgid_index = path->mgid_index; 4184e126ba97SEli Cohen ib_ah_attr->grh.hop_limit = path->hop_limit; 4185e126ba97SEli Cohen ib_ah_attr->grh.traffic_class = 4186e126ba97SEli Cohen (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; 4187e126ba97SEli Cohen ib_ah_attr->grh.flow_label = 4188e126ba97SEli Cohen be32_to_cpu(path->tclass_flowlabel) & 0xfffff; 4189e126ba97SEli Cohen memcpy(ib_ah_attr->grh.dgid.raw, 4190e126ba97SEli Cohen path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); 4191e126ba97SEli Cohen } 4192e126ba97SEli Cohen } 4193e126ba97SEli Cohen 41946d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 41956d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 41966d2f89dfSmajd@mellanox.com u8 *sq_state) 4197e126ba97SEli Cohen { 41986d2f89dfSmajd@mellanox.com void *out; 41996d2f89dfSmajd@mellanox.com void *sqc; 42006d2f89dfSmajd@mellanox.com int inlen; 42016d2f89dfSmajd@mellanox.com int err; 42026d2f89dfSmajd@mellanox.com 42036d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 42046d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 42056d2f89dfSmajd@mellanox.com if (!out) 42066d2f89dfSmajd@mellanox.com return -ENOMEM; 42076d2f89dfSmajd@mellanox.com 42086d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 42096d2f89dfSmajd@mellanox.com if (err) 42106d2f89dfSmajd@mellanox.com goto out; 42116d2f89dfSmajd@mellanox.com 42126d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 42136d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 42146d2f89dfSmajd@mellanox.com sq->state = *sq_state; 42156d2f89dfSmajd@mellanox.com 42166d2f89dfSmajd@mellanox.com out: 42176d2f89dfSmajd@mellanox.com kvfree(out); 42186d2f89dfSmajd@mellanox.com return err; 42196d2f89dfSmajd@mellanox.com } 42206d2f89dfSmajd@mellanox.com 42216d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 42226d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 42236d2f89dfSmajd@mellanox.com u8 *rq_state) 42246d2f89dfSmajd@mellanox.com { 42256d2f89dfSmajd@mellanox.com void *out; 42266d2f89dfSmajd@mellanox.com void *rqc; 42276d2f89dfSmajd@mellanox.com int inlen; 42286d2f89dfSmajd@mellanox.com int err; 42296d2f89dfSmajd@mellanox.com 42306d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 42316d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 42326d2f89dfSmajd@mellanox.com if (!out) 42336d2f89dfSmajd@mellanox.com return -ENOMEM; 42346d2f89dfSmajd@mellanox.com 42356d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 42366d2f89dfSmajd@mellanox.com if (err) 42376d2f89dfSmajd@mellanox.com goto out; 42386d2f89dfSmajd@mellanox.com 42396d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 42406d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 42416d2f89dfSmajd@mellanox.com rq->state = *rq_state; 42426d2f89dfSmajd@mellanox.com 42436d2f89dfSmajd@mellanox.com out: 42446d2f89dfSmajd@mellanox.com kvfree(out); 42456d2f89dfSmajd@mellanox.com return err; 42466d2f89dfSmajd@mellanox.com } 42476d2f89dfSmajd@mellanox.com 42486d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 42496d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 42506d2f89dfSmajd@mellanox.com { 42516d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 42526d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 42536d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 42546d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 42556d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 42566d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 42576d2f89dfSmajd@mellanox.com }, 42586d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 42596d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 42606d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 42616d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 42626d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 42636d2f89dfSmajd@mellanox.com }, 42646d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 42656d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 42666d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 42676d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 42686d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 42696d2f89dfSmajd@mellanox.com }, 42706d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 42716d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 42726d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 42736d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 42746d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 42756d2f89dfSmajd@mellanox.com }, 42766d2f89dfSmajd@mellanox.com }; 42776d2f89dfSmajd@mellanox.com 42786d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 42796d2f89dfSmajd@mellanox.com 42806d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 42816d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 42826d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 42836d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 42846d2f89dfSmajd@mellanox.com return -EINVAL; 42856d2f89dfSmajd@mellanox.com } 42866d2f89dfSmajd@mellanox.com 42876d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 42886d2f89dfSmajd@mellanox.com *qp_state = qp->state; 42896d2f89dfSmajd@mellanox.com 42906d2f89dfSmajd@mellanox.com return 0; 42916d2f89dfSmajd@mellanox.com } 42926d2f89dfSmajd@mellanox.com 42936d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 42946d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 42956d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 42966d2f89dfSmajd@mellanox.com { 42976d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 42986d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 42996d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 43006d2f89dfSmajd@mellanox.com int err; 43016d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 43026d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 43036d2f89dfSmajd@mellanox.com 43046d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 43056d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 43066d2f89dfSmajd@mellanox.com if (err) 43076d2f89dfSmajd@mellanox.com return err; 43086d2f89dfSmajd@mellanox.com } 43096d2f89dfSmajd@mellanox.com 43106d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 43116d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 43126d2f89dfSmajd@mellanox.com if (err) 43136d2f89dfSmajd@mellanox.com return err; 43146d2f89dfSmajd@mellanox.com } 43156d2f89dfSmajd@mellanox.com 43166d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 43176d2f89dfSmajd@mellanox.com raw_packet_qp_state); 43186d2f89dfSmajd@mellanox.com } 43196d2f89dfSmajd@mellanox.com 43206d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 43216d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 43226d2f89dfSmajd@mellanox.com { 4323e126ba97SEli Cohen struct mlx5_query_qp_mbox_out *outb; 4324e126ba97SEli Cohen struct mlx5_qp_context *context; 4325e126ba97SEli Cohen int mlx5_state; 4326e126ba97SEli Cohen int err = 0; 4327e126ba97SEli Cohen 4328e126ba97SEli Cohen outb = kzalloc(sizeof(*outb), GFP_KERNEL); 43296d2f89dfSmajd@mellanox.com if (!outb) 43306d2f89dfSmajd@mellanox.com return -ENOMEM; 43316d2f89dfSmajd@mellanox.com 4332e126ba97SEli Cohen context = &outb->ctx; 433319098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 433419098df2Smajd@mellanox.com sizeof(*outb)); 4335e126ba97SEli Cohen if (err) 43366d2f89dfSmajd@mellanox.com goto out; 4337e126ba97SEli Cohen 4338e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4339e126ba97SEli Cohen 4340e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4341e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4342e126ba97SEli Cohen qp_attr->path_mig_state = 4343e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4344e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4345e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4346e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4347e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4348e126ba97SEli Cohen qp_attr->qp_access_flags = 4349e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4350e126ba97SEli Cohen 4351e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 4352e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 4353e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4354d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4355d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4356e126ba97SEli Cohen qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; 4357e126ba97SEli Cohen } 4358e126ba97SEli Cohen 4359d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4360e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4361e126ba97SEli Cohen 4362e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4363e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4364e126ba97SEli Cohen 4365e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4366e126ba97SEli Cohen 4367e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4368e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4369e126ba97SEli Cohen qp_attr->min_rnr_timer = 4370e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4371e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4372e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4373e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4374e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 43756d2f89dfSmajd@mellanox.com 43766d2f89dfSmajd@mellanox.com out: 43776d2f89dfSmajd@mellanox.com kfree(outb); 43786d2f89dfSmajd@mellanox.com return err; 43796d2f89dfSmajd@mellanox.com } 43806d2f89dfSmajd@mellanox.com 43816d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 43826d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 43836d2f89dfSmajd@mellanox.com { 43846d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 43856d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 43866d2f89dfSmajd@mellanox.com int err = 0; 43876d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 43886d2f89dfSmajd@mellanox.com 438928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 439028d61370SYishai Hadas return -ENOSYS; 439128d61370SYishai Hadas 4392d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4393d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4394d16e91daSHaggai Eran qp_init_attr); 4395d16e91daSHaggai Eran 43966d2f89dfSmajd@mellanox.com #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 43976d2f89dfSmajd@mellanox.com /* 43986d2f89dfSmajd@mellanox.com * Wait for any outstanding page faults, in case the user frees memory 43996d2f89dfSmajd@mellanox.com * based upon this query's result. 44006d2f89dfSmajd@mellanox.com */ 44016d2f89dfSmajd@mellanox.com flush_workqueue(mlx5_ib_page_fault_wq); 44026d2f89dfSmajd@mellanox.com #endif 44036d2f89dfSmajd@mellanox.com 44046d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 44056d2f89dfSmajd@mellanox.com 44066d2f89dfSmajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 44076d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 44086d2f89dfSmajd@mellanox.com if (err) 44096d2f89dfSmajd@mellanox.com goto out; 44106d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 44116d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 44126d2f89dfSmajd@mellanox.com } else { 44136d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 44146d2f89dfSmajd@mellanox.com if (err) 44156d2f89dfSmajd@mellanox.com goto out; 44166d2f89dfSmajd@mellanox.com } 44176d2f89dfSmajd@mellanox.com 44186d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4419e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4420e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4421e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4422e126ba97SEli Cohen 4423e126ba97SEli Cohen if (!ibqp->uobject) { 44240540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4425e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 44260540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4427e126ba97SEli Cohen } else { 4428e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4429e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4430e126ba97SEli Cohen } 4431e126ba97SEli Cohen 44320540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 44330540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 44340540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 44350540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 44360540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4437e126ba97SEli Cohen 4438e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4439e126ba97SEli Cohen 4440e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4441e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4442e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4443e126ba97SEli Cohen 4444051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4445051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4446051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4447051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4448051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4449051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4450b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4451b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4452051f2630SLeon Romanovsky 4453e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4454e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4455e126ba97SEli Cohen 4456e126ba97SEli Cohen out: 4457e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4458e126ba97SEli Cohen return err; 4459e126ba97SEli Cohen } 4460e126ba97SEli Cohen 4461e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4462e126ba97SEli Cohen struct ib_ucontext *context, 4463e126ba97SEli Cohen struct ib_udata *udata) 4464e126ba97SEli Cohen { 4465e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4466e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4467e126ba97SEli Cohen int err; 4468e126ba97SEli Cohen 4469938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4470e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4471e126ba97SEli Cohen 4472e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4473e126ba97SEli Cohen if (!xrcd) 4474e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4475e126ba97SEli Cohen 44769603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4477e126ba97SEli Cohen if (err) { 4478e126ba97SEli Cohen kfree(xrcd); 4479e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4480e126ba97SEli Cohen } 4481e126ba97SEli Cohen 4482e126ba97SEli Cohen return &xrcd->ibxrcd; 4483e126ba97SEli Cohen } 4484e126ba97SEli Cohen 4485e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4486e126ba97SEli Cohen { 4487e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4488e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4489e126ba97SEli Cohen int err; 4490e126ba97SEli Cohen 44919603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4492e126ba97SEli Cohen if (err) { 4493e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4494e126ba97SEli Cohen return err; 4495e126ba97SEli Cohen } 4496e126ba97SEli Cohen 4497e126ba97SEli Cohen kfree(xrcd); 4498e126ba97SEli Cohen 4499e126ba97SEli Cohen return 0; 4500e126ba97SEli Cohen } 450179b20a6cSYishai Hadas 450279b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 450379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 450479b20a6cSYishai Hadas { 450579b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 450679b20a6cSYishai Hadas __be64 *rq_pas0; 450779b20a6cSYishai Hadas void *in; 450879b20a6cSYishai Hadas void *rqc; 450979b20a6cSYishai Hadas void *wq; 451079b20a6cSYishai Hadas int inlen; 451179b20a6cSYishai Hadas int err; 451279b20a6cSYishai Hadas 451379b20a6cSYishai Hadas dev = to_mdev(pd->device); 451479b20a6cSYishai Hadas 451579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 451679b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 451779b20a6cSYishai Hadas if (!in) 451879b20a6cSYishai Hadas return -ENOMEM; 451979b20a6cSYishai Hadas 452079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 452179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 452279b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 452379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 452479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 452579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 452679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 452779b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 452879b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 452979b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 453079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 453179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 453279b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 453379b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 453479b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 453579b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 453679b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 453779b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 453879b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 453979b20a6cSYishai Hadas err = mlx5_core_create_rq(dev->mdev, in, inlen, &rwq->rqn); 454079b20a6cSYishai Hadas kvfree(in); 454179b20a6cSYishai Hadas return err; 454279b20a6cSYishai Hadas } 454379b20a6cSYishai Hadas 454479b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 454579b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 454679b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 454779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 454879b20a6cSYishai Hadas { 454979b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 455079b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 455179b20a6cSYishai Hadas return -EINVAL; 455279b20a6cSYishai Hadas 455379b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 455479b20a6cSYishai Hadas return -EINVAL; 455579b20a6cSYishai Hadas 455679b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 455779b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 455879b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 455979b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 456079b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 456179b20a6cSYishai Hadas return 0; 456279b20a6cSYishai Hadas } 456379b20a6cSYishai Hadas 456479b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 456579b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 456679b20a6cSYishai Hadas struct ib_udata *udata, 456779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 456879b20a6cSYishai Hadas { 456979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 457079b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 457179b20a6cSYishai Hadas int err; 457279b20a6cSYishai Hadas size_t required_cmd_sz; 457379b20a6cSYishai Hadas 457479b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 457579b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 457679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 457779b20a6cSYishai Hadas return -EINVAL; 457879b20a6cSYishai Hadas } 457979b20a6cSYishai Hadas 458079b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 458179b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 458279b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 458379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 458479b20a6cSYishai Hadas return -EOPNOTSUPP; 458579b20a6cSYishai Hadas } 458679b20a6cSYishai Hadas 458779b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 458879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 458979b20a6cSYishai Hadas return -EFAULT; 459079b20a6cSYishai Hadas } 459179b20a6cSYishai Hadas 459279b20a6cSYishai Hadas if (ucmd.comp_mask) { 459379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 459479b20a6cSYishai Hadas return -EOPNOTSUPP; 459579b20a6cSYishai Hadas } 459679b20a6cSYishai Hadas 459779b20a6cSYishai Hadas if (ucmd.reserved) { 459879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 459979b20a6cSYishai Hadas return -EOPNOTSUPP; 460079b20a6cSYishai Hadas } 460179b20a6cSYishai Hadas 460279b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 460379b20a6cSYishai Hadas if (err) { 460479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 460579b20a6cSYishai Hadas return err; 460679b20a6cSYishai Hadas } 460779b20a6cSYishai Hadas 460879b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 460979b20a6cSYishai Hadas if (err) { 461079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 461179b20a6cSYishai Hadas if (err) 461279b20a6cSYishai Hadas return err; 461379b20a6cSYishai Hadas } 461479b20a6cSYishai Hadas 461579b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 461679b20a6cSYishai Hadas return 0; 461779b20a6cSYishai Hadas } 461879b20a6cSYishai Hadas 461979b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 462079b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 462179b20a6cSYishai Hadas struct ib_udata *udata) 462279b20a6cSYishai Hadas { 462379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 462479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 462579b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 462679b20a6cSYishai Hadas size_t min_resp_len; 462779b20a6cSYishai Hadas int err; 462879b20a6cSYishai Hadas 462979b20a6cSYishai Hadas if (!udata) 463079b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 463179b20a6cSYishai Hadas 463279b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 463379b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 463479b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 463579b20a6cSYishai Hadas 463679b20a6cSYishai Hadas dev = to_mdev(pd->device); 463779b20a6cSYishai Hadas switch (init_attr->wq_type) { 463879b20a6cSYishai Hadas case IB_WQT_RQ: 463979b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 464079b20a6cSYishai Hadas if (!rwq) 464179b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 464279b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 464379b20a6cSYishai Hadas if (err) 464479b20a6cSYishai Hadas goto err; 464579b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 464679b20a6cSYishai Hadas if (err) 464779b20a6cSYishai Hadas goto err_user_rq; 464879b20a6cSYishai Hadas break; 464979b20a6cSYishai Hadas default: 465079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 465179b20a6cSYishai Hadas init_attr->wq_type); 465279b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 465379b20a6cSYishai Hadas } 465479b20a6cSYishai Hadas 465579b20a6cSYishai Hadas rwq->ibwq.wq_num = rwq->rqn; 465679b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 465779b20a6cSYishai Hadas if (udata->outlen) { 465879b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 465979b20a6cSYishai Hadas sizeof(resp.response_length); 466079b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 466179b20a6cSYishai Hadas if (err) 466279b20a6cSYishai Hadas goto err_copy; 466379b20a6cSYishai Hadas } 466479b20a6cSYishai Hadas 466579b20a6cSYishai Hadas return &rwq->ibwq; 466679b20a6cSYishai Hadas 466779b20a6cSYishai Hadas err_copy: 466879b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 466979b20a6cSYishai Hadas err_user_rq: 467079b20a6cSYishai Hadas destroy_user_rq(pd, rwq); 467179b20a6cSYishai Hadas err: 467279b20a6cSYishai Hadas kfree(rwq); 467379b20a6cSYishai Hadas return ERR_PTR(err); 467479b20a6cSYishai Hadas } 467579b20a6cSYishai Hadas 467679b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 467779b20a6cSYishai Hadas { 467879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 467979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 468079b20a6cSYishai Hadas 468179b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 468279b20a6cSYishai Hadas destroy_user_rq(wq->pd, rwq); 468379b20a6cSYishai Hadas kfree(rwq); 468479b20a6cSYishai Hadas 468579b20a6cSYishai Hadas return 0; 468679b20a6cSYishai Hadas } 468779b20a6cSYishai Hadas 4688c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4689c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4690c5f90929SYishai Hadas struct ib_udata *udata) 4691c5f90929SYishai Hadas { 4692c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 4693c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 4694c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 4695c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 4696c5f90929SYishai Hadas size_t min_resp_len; 4697c5f90929SYishai Hadas int inlen; 4698c5f90929SYishai Hadas int err; 4699c5f90929SYishai Hadas int i; 4700c5f90929SYishai Hadas u32 *in; 4701c5f90929SYishai Hadas void *rqtc; 4702c5f90929SYishai Hadas 4703c5f90929SYishai Hadas if (udata->inlen > 0 && 4704c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 4705c5f90929SYishai Hadas udata->inlen)) 4706c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 4707c5f90929SYishai Hadas 4708c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 4709c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 4710c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 4711c5f90929SYishai Hadas 4712c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 4713c5f90929SYishai Hadas if (!rwq_ind_tbl) 4714c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 4715c5f90929SYishai Hadas 4716c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4717c5f90929SYishai Hadas in = mlx5_vzalloc(inlen); 4718c5f90929SYishai Hadas if (!in) { 4719c5f90929SYishai Hadas err = -ENOMEM; 4720c5f90929SYishai Hadas goto err; 4721c5f90929SYishai Hadas } 4722c5f90929SYishai Hadas 4723c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4724c5f90929SYishai Hadas 4725c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4726c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4727c5f90929SYishai Hadas 4728c5f90929SYishai Hadas for (i = 0; i < sz; i++) 4729c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 4730c5f90929SYishai Hadas 4731c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 4732c5f90929SYishai Hadas kvfree(in); 4733c5f90929SYishai Hadas 4734c5f90929SYishai Hadas if (err) 4735c5f90929SYishai Hadas goto err; 4736c5f90929SYishai Hadas 4737c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 4738c5f90929SYishai Hadas if (udata->outlen) { 4739c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 4740c5f90929SYishai Hadas sizeof(resp.response_length); 4741c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 4742c5f90929SYishai Hadas if (err) 4743c5f90929SYishai Hadas goto err_copy; 4744c5f90929SYishai Hadas } 4745c5f90929SYishai Hadas 4746c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 4747c5f90929SYishai Hadas 4748c5f90929SYishai Hadas err_copy: 4749c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4750c5f90929SYishai Hadas err: 4751c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4752c5f90929SYishai Hadas return ERR_PTR(err); 4753c5f90929SYishai Hadas } 4754c5f90929SYishai Hadas 4755c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 4756c5f90929SYishai Hadas { 4757c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 4758c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 4759c5f90929SYishai Hadas 4760c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4761c5f90929SYishai Hadas 4762c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4763c5f90929SYishai Hadas return 0; 4764c5f90929SYishai Hadas } 4765c5f90929SYishai Hadas 476679b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 476779b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 476879b20a6cSYishai Hadas { 476979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 477079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 477179b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 477279b20a6cSYishai Hadas size_t required_cmd_sz; 477379b20a6cSYishai Hadas int curr_wq_state; 477479b20a6cSYishai Hadas int wq_state; 477579b20a6cSYishai Hadas int inlen; 477679b20a6cSYishai Hadas int err; 477779b20a6cSYishai Hadas void *rqc; 477879b20a6cSYishai Hadas void *in; 477979b20a6cSYishai Hadas 478079b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 478179b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 478279b20a6cSYishai Hadas return -EINVAL; 478379b20a6cSYishai Hadas 478479b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 478579b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 478679b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 478779b20a6cSYishai Hadas return -EOPNOTSUPP; 478879b20a6cSYishai Hadas 478979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 479079b20a6cSYishai Hadas return -EFAULT; 479179b20a6cSYishai Hadas 479279b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 479379b20a6cSYishai Hadas return -EOPNOTSUPP; 479479b20a6cSYishai Hadas 479579b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 479679b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 479779b20a6cSYishai Hadas if (!in) 479879b20a6cSYishai Hadas return -ENOMEM; 479979b20a6cSYishai Hadas 480079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 480179b20a6cSYishai Hadas 480279b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 480379b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 480479b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 480579b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 480679b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 480779b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 480879b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 480979b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 481079b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 481179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 481279b20a6cSYishai Hadas 481379b20a6cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->rqn, in, inlen); 481479b20a6cSYishai Hadas kvfree(in); 481579b20a6cSYishai Hadas if (!err) 481679b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 481779b20a6cSYishai Hadas 481879b20a6cSYishai Hadas return err; 481979b20a6cSYishai Hadas } 4820