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 80eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 81eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 82eb49ab0cSAlex Vesker }; 83eb49ab0cSAlex Vesker 840680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 850680efa2SAlex Vesker u16 operation; 86eb49ab0cSAlex Vesker 87eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 88eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 890680efa2SAlex Vesker }; 900680efa2SAlex Vesker 9189ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9289ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 9389ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 9489ea94a7SMaor Gottlieb 95e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 96e126ba97SEli Cohen { 97e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 98e126ba97SEli Cohen } 99e126ba97SEli Cohen 100e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 101e126ba97SEli Cohen { 102e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 103e126ba97SEli Cohen } 104e126ba97SEli Cohen 105e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 106e126ba97SEli Cohen { 107e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 108e126ba97SEli Cohen } 109e126ba97SEli Cohen 110e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 111e126ba97SEli Cohen { 112e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 113e126ba97SEli Cohen } 114e126ba97SEli Cohen 115e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 116e126ba97SEli Cohen { 117e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 118e126ba97SEli Cohen } 119e126ba97SEli Cohen 120c1395a2aSHaggai Eran /** 121c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 122c1395a2aSHaggai Eran * 123c1395a2aSHaggai Eran * @qp: QP to copy from. 124c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 125c1395a2aSHaggai Eran * otherwise. 126c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 127c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 128c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 129c1395a2aSHaggai Eran * element in the queue. 130c1395a2aSHaggai Eran * @buffer: destination buffer. 131c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 132c1395a2aSHaggai Eran * 133c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 134c1395a2aSHaggai Eran * 135c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 136c1395a2aSHaggai Eran */ 137c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 13819098df2Smajd@mellanox.com void *buffer, u32 length, 13919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 140c1395a2aSHaggai Eran { 141c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 142c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 143c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 144c1395a2aSHaggai Eran size_t offset; 145c1395a2aSHaggai Eran size_t wq_end; 14619098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 147c1395a2aSHaggai Eran u32 first_copy_length; 148c1395a2aSHaggai Eran int wqe_length; 149c1395a2aSHaggai Eran int ret; 150c1395a2aSHaggai Eran 151c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 152c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 153c1395a2aSHaggai Eran qp->ibqp.qp_type); 154c1395a2aSHaggai Eran return -EINVAL; 155c1395a2aSHaggai Eran } 156c1395a2aSHaggai Eran 157c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 158c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 159c1395a2aSHaggai Eran 160c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 161c1395a2aSHaggai Eran return -EINVAL; 162c1395a2aSHaggai Eran 163c1395a2aSHaggai Eran if (offset > umem->length || 164c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 165c1395a2aSHaggai Eran return -EINVAL; 166c1395a2aSHaggai Eran 167c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 168c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 169c1395a2aSHaggai Eran if (ret) 170c1395a2aSHaggai Eran return ret; 171c1395a2aSHaggai Eran 172c1395a2aSHaggai Eran if (send) { 173c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 174c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 175c1395a2aSHaggai Eran 176c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 177c1395a2aSHaggai Eran } else { 178c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 179c1395a2aSHaggai Eran } 180c1395a2aSHaggai Eran 181c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 182c1395a2aSHaggai Eran return first_copy_length; 183c1395a2aSHaggai Eran 184c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 185c1395a2aSHaggai Eran wqe_length - first_copy_length); 186c1395a2aSHaggai Eran if (ret) 187c1395a2aSHaggai Eran return ret; 188c1395a2aSHaggai Eran 189c1395a2aSHaggai Eran return wqe_length; 190c1395a2aSHaggai Eran } 191c1395a2aSHaggai Eran 192e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 193e126ba97SEli Cohen { 194e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 195e126ba97SEli Cohen struct ib_event event; 196e126ba97SEli Cohen 19719098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 19819098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 19919098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 20019098df2Smajd@mellanox.com } 201e126ba97SEli Cohen 202e126ba97SEli Cohen if (ibqp->event_handler) { 203e126ba97SEli Cohen event.device = ibqp->device; 204e126ba97SEli Cohen event.element.qp = ibqp; 205e126ba97SEli Cohen switch (type) { 206e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 207e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 208e126ba97SEli Cohen break; 209e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 210e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 211e126ba97SEli Cohen break; 212e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 213e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 214e126ba97SEli Cohen break; 215e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 216e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 217e126ba97SEli Cohen break; 218e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 219e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 220e126ba97SEli Cohen break; 221e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 222e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 223e126ba97SEli Cohen break; 224e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 225e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 226e126ba97SEli Cohen break; 227e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 228e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 229e126ba97SEli Cohen break; 230e126ba97SEli Cohen default: 231e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 232e126ba97SEli Cohen return; 233e126ba97SEli Cohen } 234e126ba97SEli Cohen 235e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 236e126ba97SEli Cohen } 237e126ba97SEli Cohen } 238e126ba97SEli Cohen 239e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 240e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 241e126ba97SEli Cohen { 242e126ba97SEli Cohen int wqe_size; 243e126ba97SEli Cohen int wq_size; 244e126ba97SEli Cohen 245e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 246938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 247e126ba97SEli Cohen return -EINVAL; 248e126ba97SEli Cohen 249e126ba97SEli Cohen if (!has_rq) { 250e126ba97SEli Cohen qp->rq.max_gs = 0; 251e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 252e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2530540d814SNoa Osherovich cap->max_recv_wr = 0; 2540540d814SNoa Osherovich cap->max_recv_sge = 0; 255e126ba97SEli Cohen } else { 256e126ba97SEli Cohen if (ucmd) { 257e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 258e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 259e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 260e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 261e126ba97SEli Cohen } else { 262e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 263e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 264e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 265e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 266e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 267e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 268938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 269e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 270e126ba97SEli Cohen wqe_size, 271938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 272938fe83cSSaeed Mahameed max_wqe_sz_rq)); 273e126ba97SEli Cohen return -EINVAL; 274e126ba97SEli Cohen } 275e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 276e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 277e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 278e126ba97SEli Cohen } 279e126ba97SEli Cohen } 280e126ba97SEli Cohen 281e126ba97SEli Cohen return 0; 282e126ba97SEli Cohen } 283e126ba97SEli Cohen 284f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 285e126ba97SEli Cohen { 286618af384SAndi Shyti int size = 0; 287e126ba97SEli Cohen 288f0313965SErez Shitrit switch (attr->qp_type) { 289e126ba97SEli Cohen case IB_QPT_XRC_INI: 290b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 291e126ba97SEli Cohen /* fall through */ 292e126ba97SEli Cohen case IB_QPT_RC: 293e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 29475c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 29575c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 29675c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 29775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 298e126ba97SEli Cohen break; 299e126ba97SEli Cohen 300b125a54bSEli Cohen case IB_QPT_XRC_TGT: 301b125a54bSEli Cohen return 0; 302b125a54bSEli Cohen 303e126ba97SEli Cohen case IB_QPT_UC: 304b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 30575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 3069e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 30775c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 308e126ba97SEli Cohen break; 309e126ba97SEli Cohen 310e126ba97SEli Cohen case IB_QPT_UD: 311f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 312f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 313f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 314f0313965SErez Shitrit /* fall through */ 315e126ba97SEli Cohen case IB_QPT_SMI: 316d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 317b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 318e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 319e126ba97SEli Cohen break; 320e126ba97SEli Cohen 321e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 322b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 323e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 324e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 325e126ba97SEli Cohen break; 326e126ba97SEli Cohen 327e126ba97SEli Cohen default: 328e126ba97SEli Cohen return -EINVAL; 329e126ba97SEli Cohen } 330e126ba97SEli Cohen 331e126ba97SEli Cohen return size; 332e126ba97SEli Cohen } 333e126ba97SEli Cohen 334e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 335e126ba97SEli Cohen { 336e126ba97SEli Cohen int inl_size = 0; 337e126ba97SEli Cohen int size; 338e126ba97SEli Cohen 339f0313965SErez Shitrit size = sq_overhead(attr); 340e126ba97SEli Cohen if (size < 0) 341e126ba97SEli Cohen return size; 342e126ba97SEli Cohen 343e126ba97SEli Cohen if (attr->cap.max_inline_data) { 344e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 345e126ba97SEli Cohen attr->cap.max_inline_data; 346e126ba97SEli Cohen } 347e126ba97SEli Cohen 348e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 349e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 350e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 351e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 352e1e66cc2SSagi Grimberg else 353e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 354e126ba97SEli Cohen } 355e126ba97SEli Cohen 356e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 357e126ba97SEli Cohen struct mlx5_ib_qp *qp) 358e126ba97SEli Cohen { 359e126ba97SEli Cohen int wqe_size; 360e126ba97SEli Cohen int wq_size; 361e126ba97SEli Cohen 362e126ba97SEli Cohen if (!attr->cap.max_send_wr) 363e126ba97SEli Cohen return 0; 364e126ba97SEli Cohen 365e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 366e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 367e126ba97SEli Cohen if (wqe_size < 0) 368e126ba97SEli Cohen return wqe_size; 369e126ba97SEli Cohen 370938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 371b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 372938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 373e126ba97SEli Cohen return -EINVAL; 374e126ba97SEli Cohen } 375e126ba97SEli Cohen 376f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 377e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 378e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 379e126ba97SEli Cohen 380e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 381e1e66cc2SSagi Grimberg qp->signature_en = true; 382e1e66cc2SSagi Grimberg 383e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 384e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 385938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 386b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n", 387938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 388938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 389b125a54bSEli Cohen return -ENOMEM; 390b125a54bSEli Cohen } 391e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 392e126ba97SEli Cohen qp->sq.max_gs = attr->cap.max_send_sge; 393b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 394b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 395e126ba97SEli Cohen 396e126ba97SEli Cohen return wq_size; 397e126ba97SEli Cohen } 398e126ba97SEli Cohen 399e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 400e126ba97SEli Cohen struct mlx5_ib_qp *qp, 40119098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 4020fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 4030fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 404e126ba97SEli Cohen { 405e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 406e126ba97SEli Cohen 407938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 408e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 409938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 410e126ba97SEli Cohen return -EINVAL; 411e126ba97SEli Cohen } 412e126ba97SEli Cohen 413e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 414e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 415e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 416e126ba97SEli Cohen return -EINVAL; 417e126ba97SEli Cohen } 418e126ba97SEli Cohen 419e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 420e126ba97SEli Cohen 421938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 422e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 423938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 424938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 425e126ba97SEli Cohen return -EINVAL; 426e126ba97SEli Cohen } 427e126ba97SEli Cohen 4280fb2ed66Smajd@mellanox.com if (attr->qp_type == IB_QPT_RAW_PACKET) { 4290fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4300fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4310fb2ed66Smajd@mellanox.com } else { 43219098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 433e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4340fb2ed66Smajd@mellanox.com } 435e126ba97SEli Cohen 436e126ba97SEli Cohen return 0; 437e126ba97SEli Cohen } 438e126ba97SEli Cohen 439e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 440e126ba97SEli Cohen { 441e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 442e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 443e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 444e126ba97SEli Cohen !attr->cap.max_recv_wr) 445e126ba97SEli Cohen return 0; 446e126ba97SEli Cohen 447e126ba97SEli Cohen return 1; 448e126ba97SEli Cohen } 449e126ba97SEli Cohen 450c1be5232SEli Cohen static int first_med_uuar(void) 451c1be5232SEli Cohen { 452c1be5232SEli Cohen return 1; 453c1be5232SEli Cohen } 454c1be5232SEli Cohen 455c1be5232SEli Cohen static int next_uuar(int n) 456c1be5232SEli Cohen { 457c1be5232SEli Cohen n++; 458c1be5232SEli Cohen 459c1be5232SEli Cohen while (((n % 4) & 2)) 460c1be5232SEli Cohen n++; 461c1be5232SEli Cohen 462c1be5232SEli Cohen return n; 463c1be5232SEli Cohen } 464c1be5232SEli Cohen 465c1be5232SEli Cohen static int num_med_uuar(struct mlx5_uuar_info *uuari) 466c1be5232SEli Cohen { 467c1be5232SEli Cohen int n; 468c1be5232SEli Cohen 469c1be5232SEli Cohen n = uuari->num_uars * MLX5_NON_FP_BF_REGS_PER_PAGE - 470c1be5232SEli Cohen uuari->num_low_latency_uuars - 1; 471c1be5232SEli Cohen 472c1be5232SEli Cohen return n >= 0 ? n : 0; 473c1be5232SEli Cohen } 474c1be5232SEli Cohen 475c1be5232SEli Cohen static int max_uuari(struct mlx5_uuar_info *uuari) 476c1be5232SEli Cohen { 477c1be5232SEli Cohen return uuari->num_uars * 4; 478c1be5232SEli Cohen } 479c1be5232SEli Cohen 480c1be5232SEli Cohen static int first_hi_uuar(struct mlx5_uuar_info *uuari) 481c1be5232SEli Cohen { 482c1be5232SEli Cohen int med; 483c1be5232SEli Cohen int i; 484c1be5232SEli Cohen int t; 485c1be5232SEli Cohen 486c1be5232SEli Cohen med = num_med_uuar(uuari); 487c1be5232SEli Cohen for (t = 0, i = first_med_uuar();; i = next_uuar(i)) { 488c1be5232SEli Cohen t++; 489c1be5232SEli Cohen if (t == med) 490c1be5232SEli Cohen return next_uuar(i); 491c1be5232SEli Cohen } 492c1be5232SEli Cohen 493c1be5232SEli Cohen return 0; 494c1be5232SEli Cohen } 495c1be5232SEli Cohen 496e126ba97SEli Cohen static int alloc_high_class_uuar(struct mlx5_uuar_info *uuari) 497e126ba97SEli Cohen { 498e126ba97SEli Cohen int i; 499e126ba97SEli Cohen 500c1be5232SEli Cohen for (i = first_hi_uuar(uuari); i < max_uuari(uuari); i = next_uuar(i)) { 501e126ba97SEli Cohen if (!test_bit(i, uuari->bitmap)) { 502e126ba97SEli Cohen set_bit(i, uuari->bitmap); 503e126ba97SEli Cohen uuari->count[i]++; 504e126ba97SEli Cohen return i; 505e126ba97SEli Cohen } 506e126ba97SEli Cohen } 507e126ba97SEli Cohen 508e126ba97SEli Cohen return -ENOMEM; 509e126ba97SEli Cohen } 510e126ba97SEli Cohen 511e126ba97SEli Cohen static int alloc_med_class_uuar(struct mlx5_uuar_info *uuari) 512e126ba97SEli Cohen { 513c1be5232SEli Cohen int minidx = first_med_uuar(); 514e126ba97SEli Cohen int i; 515e126ba97SEli Cohen 516c1be5232SEli Cohen for (i = first_med_uuar(); i < first_hi_uuar(uuari); i = next_uuar(i)) { 517e126ba97SEli Cohen if (uuari->count[i] < uuari->count[minidx]) 518e126ba97SEli Cohen minidx = i; 519e126ba97SEli Cohen } 520e126ba97SEli Cohen 521e126ba97SEli Cohen uuari->count[minidx]++; 522e126ba97SEli Cohen return minidx; 523e126ba97SEli Cohen } 524e126ba97SEli Cohen 525e126ba97SEli Cohen static int alloc_uuar(struct mlx5_uuar_info *uuari, 526e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 527e126ba97SEli Cohen { 528e126ba97SEli Cohen int uuarn = -EINVAL; 529e126ba97SEli Cohen 530e126ba97SEli Cohen mutex_lock(&uuari->lock); 531e126ba97SEli Cohen switch (lat) { 532e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 533e126ba97SEli Cohen uuarn = 0; 534e126ba97SEli Cohen uuari->count[uuarn]++; 535e126ba97SEli Cohen break; 536e126ba97SEli Cohen 537e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 53878c0f98cSEli Cohen if (uuari->ver < 2) 53978c0f98cSEli Cohen uuarn = -ENOMEM; 54078c0f98cSEli Cohen else 541e126ba97SEli Cohen uuarn = alloc_med_class_uuar(uuari); 542e126ba97SEli Cohen break; 543e126ba97SEli Cohen 544e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 54578c0f98cSEli Cohen if (uuari->ver < 2) 54678c0f98cSEli Cohen uuarn = -ENOMEM; 54778c0f98cSEli Cohen else 548e126ba97SEli Cohen uuarn = alloc_high_class_uuar(uuari); 549e126ba97SEli Cohen break; 550e126ba97SEli Cohen 551e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_FAST_PATH: 552e126ba97SEli Cohen uuarn = 2; 553e126ba97SEli Cohen break; 554e126ba97SEli Cohen } 555e126ba97SEli Cohen mutex_unlock(&uuari->lock); 556e126ba97SEli Cohen 557e126ba97SEli Cohen return uuarn; 558e126ba97SEli Cohen } 559e126ba97SEli Cohen 560e126ba97SEli Cohen static void free_med_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 561e126ba97SEli Cohen { 562e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 563e126ba97SEli Cohen --uuari->count[uuarn]; 564e126ba97SEli Cohen } 565e126ba97SEli Cohen 566e126ba97SEli Cohen static void free_high_class_uuar(struct mlx5_uuar_info *uuari, int uuarn) 567e126ba97SEli Cohen { 568e126ba97SEli Cohen clear_bit(uuarn, uuari->bitmap); 569e126ba97SEli Cohen --uuari->count[uuarn]; 570e126ba97SEli Cohen } 571e126ba97SEli Cohen 572e126ba97SEli Cohen static void free_uuar(struct mlx5_uuar_info *uuari, int uuarn) 573e126ba97SEli Cohen { 574e126ba97SEli Cohen int nuuars = uuari->num_uars * MLX5_BF_REGS_PER_PAGE; 575e126ba97SEli Cohen int high_uuar = nuuars - uuari->num_low_latency_uuars; 576e126ba97SEli Cohen 577e126ba97SEli Cohen mutex_lock(&uuari->lock); 578e126ba97SEli Cohen if (uuarn == 0) { 579e126ba97SEli Cohen --uuari->count[uuarn]; 580e126ba97SEli Cohen goto out; 581e126ba97SEli Cohen } 582e126ba97SEli Cohen 583e126ba97SEli Cohen if (uuarn < high_uuar) { 584e126ba97SEli Cohen free_med_class_uuar(uuari, uuarn); 585e126ba97SEli Cohen goto out; 586e126ba97SEli Cohen } 587e126ba97SEli Cohen 588e126ba97SEli Cohen free_high_class_uuar(uuari, uuarn); 589e126ba97SEli Cohen 590e126ba97SEli Cohen out: 591e126ba97SEli Cohen mutex_unlock(&uuari->lock); 592e126ba97SEli Cohen } 593e126ba97SEli Cohen 594e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 595e126ba97SEli Cohen { 596e126ba97SEli Cohen switch (state) { 597e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 598e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 599e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 600e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 601e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 602e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 603e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 604e126ba97SEli Cohen default: return -1; 605e126ba97SEli Cohen } 606e126ba97SEli Cohen } 607e126ba97SEli Cohen 608e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 609e126ba97SEli Cohen { 610e126ba97SEli Cohen switch (type) { 611e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 612e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 613e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 614e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 615e126ba97SEli Cohen case IB_QPT_XRC_INI: 616e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 617e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 618d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 619e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 620e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6210fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 622e126ba97SEli Cohen case IB_QPT_MAX: 623e126ba97SEli Cohen default: return -EINVAL; 624e126ba97SEli Cohen } 625e126ba97SEli Cohen } 626e126ba97SEli Cohen 62789ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 62889ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62989ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 63089ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 63189ea94a7SMaor Gottlieb 632e126ba97SEli Cohen static int uuarn_to_uar_index(struct mlx5_uuar_info *uuari, int uuarn) 633e126ba97SEli Cohen { 634e126ba97SEli Cohen return uuari->uars[uuarn / MLX5_BF_REGS_PER_PAGE].index; 635e126ba97SEli Cohen } 636e126ba97SEli Cohen 63719098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 63819098df2Smajd@mellanox.com struct ib_pd *pd, 63919098df2Smajd@mellanox.com unsigned long addr, size_t size, 64019098df2Smajd@mellanox.com struct ib_umem **umem, 64119098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 64219098df2Smajd@mellanox.com u32 *offset) 64319098df2Smajd@mellanox.com { 64419098df2Smajd@mellanox.com int err; 64519098df2Smajd@mellanox.com 64619098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 64719098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 64819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 64919098df2Smajd@mellanox.com return PTR_ERR(*umem); 65019098df2Smajd@mellanox.com } 65119098df2Smajd@mellanox.com 65219098df2Smajd@mellanox.com mlx5_ib_cont_pages(*umem, addr, npages, page_shift, ncont, NULL); 65319098df2Smajd@mellanox.com 65419098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 65519098df2Smajd@mellanox.com if (err) { 65619098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 65719098df2Smajd@mellanox.com goto err_umem; 65819098df2Smajd@mellanox.com } 65919098df2Smajd@mellanox.com 66019098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 66119098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 66219098df2Smajd@mellanox.com 66319098df2Smajd@mellanox.com return 0; 66419098df2Smajd@mellanox.com 66519098df2Smajd@mellanox.com err_umem: 66619098df2Smajd@mellanox.com ib_umem_release(*umem); 66719098df2Smajd@mellanox.com *umem = NULL; 66819098df2Smajd@mellanox.com 66919098df2Smajd@mellanox.com return err; 67019098df2Smajd@mellanox.com } 67119098df2Smajd@mellanox.com 67279b20a6cSYishai Hadas static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq) 67379b20a6cSYishai Hadas { 67479b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 67579b20a6cSYishai Hadas 67679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 67779b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 67879b20a6cSYishai Hadas if (rwq->umem) 67979b20a6cSYishai Hadas ib_umem_release(rwq->umem); 68079b20a6cSYishai Hadas } 68179b20a6cSYishai Hadas 68279b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 68379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 68479b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 68579b20a6cSYishai Hadas { 68679b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 68779b20a6cSYishai Hadas int page_shift = 0; 68879b20a6cSYishai Hadas int npages; 68979b20a6cSYishai Hadas u32 offset = 0; 69079b20a6cSYishai Hadas int ncont = 0; 69179b20a6cSYishai Hadas int err; 69279b20a6cSYishai Hadas 69379b20a6cSYishai Hadas if (!ucmd->buf_addr) 69479b20a6cSYishai Hadas return -EINVAL; 69579b20a6cSYishai Hadas 69679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 69779b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 69879b20a6cSYishai Hadas rwq->buf_size, 0, 0); 69979b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 70079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 70179b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 70279b20a6cSYishai Hadas return err; 70379b20a6cSYishai Hadas } 70479b20a6cSYishai Hadas 70579b20a6cSYishai Hadas mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, &npages, &page_shift, 70679b20a6cSYishai Hadas &ncont, NULL); 70779b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 70879b20a6cSYishai Hadas &rwq->rq_page_offset); 70979b20a6cSYishai Hadas if (err) { 71079b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 71179b20a6cSYishai Hadas goto err_umem; 71279b20a6cSYishai Hadas } 71379b20a6cSYishai Hadas 71479b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 71579b20a6cSYishai Hadas rwq->page_shift = page_shift; 71679b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 71779b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 71879b20a6cSYishai Hadas 71979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 72079b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 72179b20a6cSYishai Hadas npages, page_shift, ncont, offset); 72279b20a6cSYishai Hadas 72379b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 72479b20a6cSYishai Hadas if (err) { 72579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 72679b20a6cSYishai Hadas goto err_umem; 72779b20a6cSYishai Hadas } 72879b20a6cSYishai Hadas 72979b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 73079b20a6cSYishai Hadas return 0; 73179b20a6cSYishai Hadas 73279b20a6cSYishai Hadas err_umem: 73379b20a6cSYishai Hadas ib_umem_release(rwq->umem); 73479b20a6cSYishai Hadas return err; 73579b20a6cSYishai Hadas } 73679b20a6cSYishai Hadas 737e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 738e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7390fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 74009a7d9ecSSaeed Mahameed u32 **in, 74119098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 74219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 743e126ba97SEli Cohen { 744e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 745e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 74619098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7479e9c47d0SEli Cohen int page_shift = 0; 748e126ba97SEli Cohen int uar_index; 749e126ba97SEli Cohen int npages; 7509e9c47d0SEli Cohen u32 offset = 0; 751e126ba97SEli Cohen int uuarn; 7529e9c47d0SEli Cohen int ncont = 0; 75309a7d9ecSSaeed Mahameed __be64 *pas; 75409a7d9ecSSaeed Mahameed void *qpc; 755e126ba97SEli Cohen int err; 756e126ba97SEli Cohen 757e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 758e126ba97SEli Cohen if (err) { 759e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 760e126ba97SEli Cohen return err; 761e126ba97SEli Cohen } 762e126ba97SEli Cohen 763e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 764e126ba97SEli Cohen /* 765e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 766e126ba97SEli Cohen */ 767051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 768051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 769051f2630SLeon Romanovsky uuarn = MLX5_CROSS_CHANNEL_UUAR; 770051f2630SLeon Romanovsky else { 771e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_HIGH); 772e126ba97SEli Cohen if (uuarn < 0) { 773e126ba97SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency UUAR\n"); 774c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 775c1be5232SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_MEDIUM); 776c1be5232SEli Cohen if (uuarn < 0) { 777c1be5232SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency UUAR\n"); 778e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 779e126ba97SEli Cohen uuarn = alloc_uuar(&context->uuari, MLX5_IB_LATENCY_CLASS_LOW); 780e126ba97SEli Cohen if (uuarn < 0) { 781c1be5232SEli Cohen mlx5_ib_warn(dev, "uuar allocation failed\n"); 782e126ba97SEli Cohen return uuarn; 783e126ba97SEli Cohen } 784e126ba97SEli Cohen } 785c1be5232SEli Cohen } 786051f2630SLeon Romanovsky } 787e126ba97SEli Cohen 788e126ba97SEli Cohen uar_index = uuarn_to_uar_index(&context->uuari, uuarn); 789e126ba97SEli Cohen mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); 790e126ba97SEli Cohen 79148fea837SHaggai Eran qp->rq.offset = 0; 79248fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 79348fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 79448fea837SHaggai Eran 7950fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 796e126ba97SEli Cohen if (err) 797e126ba97SEli Cohen goto err_uuar; 798e126ba97SEli Cohen 79919098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 80019098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 80119098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 80219098df2Smajd@mellanox.com ubuffer->buf_size, 80319098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 80419098df2Smajd@mellanox.com &ncont, &offset); 80519098df2Smajd@mellanox.com if (err) 806e126ba97SEli Cohen goto err_uuar; 8079e9c47d0SEli Cohen } else { 80819098df2Smajd@mellanox.com ubuffer->umem = NULL; 8099e9c47d0SEli Cohen } 810e126ba97SEli Cohen 81109a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 81209a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 813e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 814e126ba97SEli Cohen if (!*in) { 815e126ba97SEli Cohen err = -ENOMEM; 816e126ba97SEli Cohen goto err_umem; 817e126ba97SEli Cohen } 818e126ba97SEli Cohen 81909a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 82009a7d9ecSSaeed Mahameed if (ubuffer->umem) 82109a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 82209a7d9ecSSaeed Mahameed 82309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 82409a7d9ecSSaeed Mahameed 82509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 82609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 82709a7d9ecSSaeed Mahameed 82809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 829e126ba97SEli Cohen resp->uuar_index = uuarn; 830e126ba97SEli Cohen qp->uuarn = uuarn; 831e126ba97SEli Cohen 832e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 833e126ba97SEli Cohen if (err) { 834e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 835e126ba97SEli Cohen goto err_free; 836e126ba97SEli Cohen } 837e126ba97SEli Cohen 838e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 839e126ba97SEli Cohen if (err) { 840e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 841e126ba97SEli Cohen goto err_unmap; 842e126ba97SEli Cohen } 843e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 844e126ba97SEli Cohen 845e126ba97SEli Cohen return 0; 846e126ba97SEli Cohen 847e126ba97SEli Cohen err_unmap: 848e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 849e126ba97SEli Cohen 850e126ba97SEli Cohen err_free: 851479163f4SAl Viro kvfree(*in); 852e126ba97SEli Cohen 853e126ba97SEli Cohen err_umem: 85419098df2Smajd@mellanox.com if (ubuffer->umem) 85519098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 856e126ba97SEli Cohen 857e126ba97SEli Cohen err_uuar: 858e126ba97SEli Cohen free_uuar(&context->uuari, uuarn); 859e126ba97SEli Cohen return err; 860e126ba97SEli Cohen } 861e126ba97SEli Cohen 86219098df2Smajd@mellanox.com static void destroy_qp_user(struct ib_pd *pd, struct mlx5_ib_qp *qp, 86319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 864e126ba97SEli Cohen { 865e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 866e126ba97SEli Cohen 867e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 868e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 86919098df2Smajd@mellanox.com if (base->ubuffer.umem) 87019098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 871e126ba97SEli Cohen free_uuar(&context->uuari, qp->uuarn); 872e126ba97SEli Cohen } 873e126ba97SEli Cohen 874e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 875e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 876e126ba97SEli Cohen struct mlx5_ib_qp *qp, 87709a7d9ecSSaeed Mahameed u32 **in, int *inlen, 87819098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 879e126ba97SEli Cohen { 880e126ba97SEli Cohen enum mlx5_ib_latency_class lc = MLX5_IB_LATENCY_CLASS_LOW; 881e126ba97SEli Cohen struct mlx5_uuar_info *uuari; 882e126ba97SEli Cohen int uar_index; 88309a7d9ecSSaeed Mahameed void *qpc; 884e126ba97SEli Cohen int uuarn; 885e126ba97SEli Cohen int err; 886e126ba97SEli Cohen 8879603b61dSJack Morgenstein uuari = &dev->mdev->priv.uuari; 888f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 889f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 890b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 891b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 8921a4c3a3dSEli Cohen return -EINVAL; 893e126ba97SEli Cohen 894e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 895e126ba97SEli Cohen lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; 896e126ba97SEli Cohen 897e126ba97SEli Cohen uuarn = alloc_uuar(uuari, lc); 898e126ba97SEli Cohen if (uuarn < 0) { 899e126ba97SEli Cohen mlx5_ib_dbg(dev, "\n"); 900e126ba97SEli Cohen return -ENOMEM; 901e126ba97SEli Cohen } 902e126ba97SEli Cohen 903e126ba97SEli Cohen qp->bf = &uuari->bfs[uuarn]; 904e126ba97SEli Cohen uar_index = qp->bf->uar->index; 905e126ba97SEli Cohen 906e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 907e126ba97SEli Cohen if (err < 0) { 908e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 909e126ba97SEli Cohen goto err_uuar; 910e126ba97SEli Cohen } 911e126ba97SEli Cohen 912e126ba97SEli Cohen qp->rq.offset = 0; 913e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91419098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 915e126ba97SEli Cohen 91619098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 917e126ba97SEli Cohen if (err) { 918e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 919e126ba97SEli Cohen goto err_uuar; 920e126ba97SEli Cohen } 921e126ba97SEli Cohen 922e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 92309a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 92409a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 925e126ba97SEli Cohen *in = mlx5_vzalloc(*inlen); 926e126ba97SEli Cohen if (!*in) { 927e126ba97SEli Cohen err = -ENOMEM; 928e126ba97SEli Cohen goto err_buf; 929e126ba97SEli Cohen } 93009a7d9ecSSaeed Mahameed 93109a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 93209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 93309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 93409a7d9ecSSaeed Mahameed 935e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 93609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 93709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 938e126ba97SEli Cohen 939b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 94009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 941b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 942b11a4f9cSHaggai Eran } 943b11a4f9cSHaggai Eran 94409a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 94509a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 946e126ba97SEli Cohen 9479603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 948e126ba97SEli Cohen if (err) { 949e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 950e126ba97SEli Cohen goto err_free; 951e126ba97SEli Cohen } 952e126ba97SEli Cohen 953e126ba97SEli Cohen qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); 954e126ba97SEli Cohen qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); 955e126ba97SEli Cohen qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); 956e126ba97SEli Cohen qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); 957e126ba97SEli Cohen qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); 958e126ba97SEli Cohen 959e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 960e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 961e126ba97SEli Cohen err = -ENOMEM; 962e126ba97SEli Cohen goto err_wrid; 963e126ba97SEli Cohen } 964e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 965e126ba97SEli Cohen 966e126ba97SEli Cohen return 0; 967e126ba97SEli Cohen 968e126ba97SEli Cohen err_wrid: 9699603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 970e126ba97SEli Cohen kfree(qp->sq.wqe_head); 971e126ba97SEli Cohen kfree(qp->sq.w_list); 972e126ba97SEli Cohen kfree(qp->sq.wrid); 973e126ba97SEli Cohen kfree(qp->sq.wr_data); 974e126ba97SEli Cohen kfree(qp->rq.wrid); 975e126ba97SEli Cohen 976e126ba97SEli Cohen err_free: 977479163f4SAl Viro kvfree(*in); 978e126ba97SEli Cohen 979e126ba97SEli Cohen err_buf: 9809603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 981e126ba97SEli Cohen 982e126ba97SEli Cohen err_uuar: 9839603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, uuarn); 984e126ba97SEli Cohen return err; 985e126ba97SEli Cohen } 986e126ba97SEli Cohen 987e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 988e126ba97SEli Cohen { 9899603b61dSJack Morgenstein mlx5_db_free(dev->mdev, &qp->db); 990e126ba97SEli Cohen kfree(qp->sq.wqe_head); 991e126ba97SEli Cohen kfree(qp->sq.w_list); 992e126ba97SEli Cohen kfree(qp->sq.wrid); 993e126ba97SEli Cohen kfree(qp->sq.wr_data); 994e126ba97SEli Cohen kfree(qp->rq.wrid); 9959603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 9969603b61dSJack Morgenstein free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn); 997e126ba97SEli Cohen } 998e126ba97SEli Cohen 99909a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1000e126ba97SEli Cohen { 1001e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1002e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 100309a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1004e126ba97SEli Cohen else if (!qp->has_rq) 100509a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1006e126ba97SEli Cohen else 100709a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1008e126ba97SEli Cohen } 1009e126ba97SEli Cohen 1010e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1011e126ba97SEli Cohen { 1012e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1013e126ba97SEli Cohen return 1; 1014e126ba97SEli Cohen 1015e126ba97SEli Cohen return 0; 1016e126ba97SEli Cohen } 1017e126ba97SEli Cohen 10180fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10190fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10200fb2ed66Smajd@mellanox.com { 1021c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10220fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10230fb2ed66Smajd@mellanox.com 10240fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 10250fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10260fb2ed66Smajd@mellanox.com } 10270fb2ed66Smajd@mellanox.com 10280fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10290fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10300fb2ed66Smajd@mellanox.com { 10310fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10320fb2ed66Smajd@mellanox.com } 10330fb2ed66Smajd@mellanox.com 10340fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10350fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10360fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10370fb2ed66Smajd@mellanox.com { 10380fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10390fb2ed66Smajd@mellanox.com __be64 *pas; 10400fb2ed66Smajd@mellanox.com void *in; 10410fb2ed66Smajd@mellanox.com void *sqc; 10420fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10430fb2ed66Smajd@mellanox.com void *wq; 10440fb2ed66Smajd@mellanox.com int inlen; 10450fb2ed66Smajd@mellanox.com int err; 10460fb2ed66Smajd@mellanox.com int page_shift = 0; 10470fb2ed66Smajd@mellanox.com int npages; 10480fb2ed66Smajd@mellanox.com int ncont = 0; 10490fb2ed66Smajd@mellanox.com u32 offset = 0; 10500fb2ed66Smajd@mellanox.com 10510fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10520fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10530fb2ed66Smajd@mellanox.com &ncont, &offset); 10540fb2ed66Smajd@mellanox.com if (err) 10550fb2ed66Smajd@mellanox.com return err; 10560fb2ed66Smajd@mellanox.com 10570fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10580fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 10590fb2ed66Smajd@mellanox.com if (!in) { 10600fb2ed66Smajd@mellanox.com err = -ENOMEM; 10610fb2ed66Smajd@mellanox.com goto err_umem; 10620fb2ed66Smajd@mellanox.com } 10630fb2ed66Smajd@mellanox.com 10640fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10650fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 10660fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10670fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10680fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10690fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10700fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 10710fb2ed66Smajd@mellanox.com 10720fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 10730fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10740fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 10750fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 10760fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 10770fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 10780fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 10790fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 10800fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 10810fb2ed66Smajd@mellanox.com 10820fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 10830fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 10840fb2ed66Smajd@mellanox.com 10850fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 10860fb2ed66Smajd@mellanox.com 10870fb2ed66Smajd@mellanox.com kvfree(in); 10880fb2ed66Smajd@mellanox.com 10890fb2ed66Smajd@mellanox.com if (err) 10900fb2ed66Smajd@mellanox.com goto err_umem; 10910fb2ed66Smajd@mellanox.com 10920fb2ed66Smajd@mellanox.com return 0; 10930fb2ed66Smajd@mellanox.com 10940fb2ed66Smajd@mellanox.com err_umem: 10950fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 10960fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 10970fb2ed66Smajd@mellanox.com 10980fb2ed66Smajd@mellanox.com return err; 10990fb2ed66Smajd@mellanox.com } 11000fb2ed66Smajd@mellanox.com 11010fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11020fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11030fb2ed66Smajd@mellanox.com { 11040fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11050fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11060fb2ed66Smajd@mellanox.com } 11070fb2ed66Smajd@mellanox.com 11080fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 11090fb2ed66Smajd@mellanox.com { 11100fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11110fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11120fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11130fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11140fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11150fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11160fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11170fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11180fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11190fb2ed66Smajd@mellanox.com 11200fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11210fb2ed66Smajd@mellanox.com } 11220fb2ed66Smajd@mellanox.com 11230fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11240fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11250fb2ed66Smajd@mellanox.com { 1126358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11270fb2ed66Smajd@mellanox.com __be64 *pas; 11280fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11290fb2ed66Smajd@mellanox.com void *in; 11300fb2ed66Smajd@mellanox.com void *rqc; 11310fb2ed66Smajd@mellanox.com void *wq; 11320fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11330fb2ed66Smajd@mellanox.com int inlen; 11340fb2ed66Smajd@mellanox.com int err; 11350fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11360fb2ed66Smajd@mellanox.com 11370fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11380fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11390fb2ed66Smajd@mellanox.com if (!in) 11400fb2ed66Smajd@mellanox.com return -ENOMEM; 11410fb2ed66Smajd@mellanox.com 11420fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 11430fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11440fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11450fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11460fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11470fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11480fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11490fb2ed66Smajd@mellanox.com 1150358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1151358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1152358e42eaSMajd Dibbiny 11530fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11540fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11550fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 115601581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 11570fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11580fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11590fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11600fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11610fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11620fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11630fb2ed66Smajd@mellanox.com 11640fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11650fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11660fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11670fb2ed66Smajd@mellanox.com 11680fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11690fb2ed66Smajd@mellanox.com 11700fb2ed66Smajd@mellanox.com kvfree(in); 11710fb2ed66Smajd@mellanox.com 11720fb2ed66Smajd@mellanox.com return err; 11730fb2ed66Smajd@mellanox.com } 11740fb2ed66Smajd@mellanox.com 11750fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11760fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 11770fb2ed66Smajd@mellanox.com { 11780fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 11790fb2ed66Smajd@mellanox.com } 11800fb2ed66Smajd@mellanox.com 11810fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 11820fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, u32 tdn) 11830fb2ed66Smajd@mellanox.com { 11840fb2ed66Smajd@mellanox.com u32 *in; 11850fb2ed66Smajd@mellanox.com void *tirc; 11860fb2ed66Smajd@mellanox.com int inlen; 11870fb2ed66Smajd@mellanox.com int err; 11880fb2ed66Smajd@mellanox.com 11890fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 11900fb2ed66Smajd@mellanox.com in = mlx5_vzalloc(inlen); 11910fb2ed66Smajd@mellanox.com if (!in) 11920fb2ed66Smajd@mellanox.com return -ENOMEM; 11930fb2ed66Smajd@mellanox.com 11940fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 11950fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 11960fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 11970fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 11980fb2ed66Smajd@mellanox.com 11990fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 12000fb2ed66Smajd@mellanox.com 12010fb2ed66Smajd@mellanox.com kvfree(in); 12020fb2ed66Smajd@mellanox.com 12030fb2ed66Smajd@mellanox.com return err; 12040fb2ed66Smajd@mellanox.com } 12050fb2ed66Smajd@mellanox.com 12060fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12070fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12080fb2ed66Smajd@mellanox.com { 12090fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 12100fb2ed66Smajd@mellanox.com } 12110fb2ed66Smajd@mellanox.com 12120fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 121309a7d9ecSSaeed Mahameed u32 *in, 12140fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12150fb2ed66Smajd@mellanox.com { 12160fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12170fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12180fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12190fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12200fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12210fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12220fb2ed66Smajd@mellanox.com int err; 12230fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12240fb2ed66Smajd@mellanox.com 12250fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12260fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tis(dev, sq, tdn); 12270fb2ed66Smajd@mellanox.com if (err) 12280fb2ed66Smajd@mellanox.com return err; 12290fb2ed66Smajd@mellanox.com 12300fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12310fb2ed66Smajd@mellanox.com if (err) 12320fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12330fb2ed66Smajd@mellanox.com 12340fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12350fb2ed66Smajd@mellanox.com } 12360fb2ed66Smajd@mellanox.com 12370fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1238358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1239358e42eaSMajd Dibbiny 12400fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12410fb2ed66Smajd@mellanox.com if (err) 12420fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12430fb2ed66Smajd@mellanox.com 12440fb2ed66Smajd@mellanox.com 12450fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_tir(dev, rq, tdn); 12460fb2ed66Smajd@mellanox.com if (err) 12470fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12480fb2ed66Smajd@mellanox.com } 12490fb2ed66Smajd@mellanox.com 12500fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12510fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12520fb2ed66Smajd@mellanox.com 12530fb2ed66Smajd@mellanox.com return 0; 12540fb2ed66Smajd@mellanox.com 12550fb2ed66Smajd@mellanox.com err_destroy_rq: 12560fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12570fb2ed66Smajd@mellanox.com err_destroy_sq: 12580fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 12590fb2ed66Smajd@mellanox.com return err; 12600fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12610fb2ed66Smajd@mellanox.com err_destroy_tis: 12620fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12630fb2ed66Smajd@mellanox.com 12640fb2ed66Smajd@mellanox.com return err; 12650fb2ed66Smajd@mellanox.com } 12660fb2ed66Smajd@mellanox.com 12670fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 12680fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 12690fb2ed66Smajd@mellanox.com { 12700fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12710fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12720fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12730fb2ed66Smajd@mellanox.com 12740fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 12750fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 12760fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12770fb2ed66Smajd@mellanox.com } 12780fb2ed66Smajd@mellanox.com 12790fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 12800fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 12810fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 12820fb2ed66Smajd@mellanox.com } 12830fb2ed66Smajd@mellanox.com } 12840fb2ed66Smajd@mellanox.com 12850fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 12860fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 12870fb2ed66Smajd@mellanox.com { 12880fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12890fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12900fb2ed66Smajd@mellanox.com 12910fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 12920fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 12930fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 12940fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 12950fb2ed66Smajd@mellanox.com } 12960fb2ed66Smajd@mellanox.com 129728d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 129828d61370SYishai Hadas { 129928d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 130028d61370SYishai Hadas } 130128d61370SYishai Hadas 130228d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 130328d61370SYishai Hadas struct ib_pd *pd, 130428d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 130528d61370SYishai Hadas struct ib_udata *udata) 130628d61370SYishai Hadas { 130728d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 130828d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 130928d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 131028d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 131128d61370SYishai Hadas int inlen; 131228d61370SYishai Hadas int err; 131328d61370SYishai Hadas u32 *in; 131428d61370SYishai Hadas void *tirc; 131528d61370SYishai Hadas void *hfso; 131628d61370SYishai Hadas u32 selected_fields = 0; 131728d61370SYishai Hadas size_t min_resp_len; 131828d61370SYishai Hadas u32 tdn = mucontext->tdn; 131928d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 132028d61370SYishai Hadas size_t required_cmd_sz; 132128d61370SYishai Hadas 132228d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 132328d61370SYishai Hadas return -EOPNOTSUPP; 132428d61370SYishai Hadas 132528d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 132628d61370SYishai Hadas return -EINVAL; 132728d61370SYishai Hadas 132828d61370SYishai Hadas min_resp_len = offsetof(typeof(resp), uuar_index) + sizeof(resp.uuar_index); 132928d61370SYishai Hadas if (udata->outlen < min_resp_len) 133028d61370SYishai Hadas return -EINVAL; 133128d61370SYishai Hadas 133228d61370SYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1); 133328d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 133428d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 133528d61370SYishai Hadas return -EINVAL; 133628d61370SYishai Hadas } 133728d61370SYishai Hadas 133828d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 133928d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 134028d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 134128d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 134228d61370SYishai Hadas return -EOPNOTSUPP; 134328d61370SYishai Hadas } 134428d61370SYishai Hadas 134528d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 134628d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 134728d61370SYishai Hadas return -EFAULT; 134828d61370SYishai Hadas } 134928d61370SYishai Hadas 135028d61370SYishai Hadas if (ucmd.comp_mask) { 135128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 135228d61370SYishai Hadas return -EOPNOTSUPP; 135328d61370SYishai Hadas } 135428d61370SYishai Hadas 135528d61370SYishai Hadas if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) { 135628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 135728d61370SYishai Hadas return -EOPNOTSUPP; 135828d61370SYishai Hadas } 135928d61370SYishai Hadas 136028d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 136128d61370SYishai Hadas if (err) { 136228d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 136328d61370SYishai Hadas return -EINVAL; 136428d61370SYishai Hadas } 136528d61370SYishai Hadas 136628d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 136728d61370SYishai Hadas in = mlx5_vzalloc(inlen); 136828d61370SYishai Hadas if (!in) 136928d61370SYishai Hadas return -ENOMEM; 137028d61370SYishai Hadas 137128d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 137228d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 137328d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 137428d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 137528d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 137628d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 137728d61370SYishai Hadas 137828d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 137928d61370SYishai Hadas switch (ucmd.rx_hash_function) { 138028d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 138128d61370SYishai Hadas { 138228d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 138328d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 138428d61370SYishai Hadas 138528d61370SYishai Hadas if (len != ucmd.rx_key_len) { 138628d61370SYishai Hadas err = -EINVAL; 138728d61370SYishai Hadas goto err; 138828d61370SYishai Hadas } 138928d61370SYishai Hadas 139028d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 139128d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 139228d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 139328d61370SYishai Hadas break; 139428d61370SYishai Hadas } 139528d61370SYishai Hadas default: 139628d61370SYishai Hadas err = -EOPNOTSUPP; 139728d61370SYishai Hadas goto err; 139828d61370SYishai Hadas } 139928d61370SYishai Hadas 140028d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 140128d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 140228d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 140328d61370SYishai Hadas goto create_tir; 140428d61370SYishai Hadas err = -EINVAL; 140528d61370SYishai Hadas goto err; 140628d61370SYishai Hadas } 140728d61370SYishai Hadas 140828d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 140928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 141028d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 141128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 141228d61370SYishai Hadas err = -EINVAL; 141328d61370SYishai Hadas goto err; 141428d61370SYishai Hadas } 141528d61370SYishai Hadas 141628d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 141728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 141828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 141928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 142028d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 142128d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 142228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 142328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 142428d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 142528d61370SYishai Hadas 142628d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 142728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 142828d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 142928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 143028d61370SYishai Hadas err = -EINVAL; 143128d61370SYishai Hadas goto err; 143228d61370SYishai Hadas } 143328d61370SYishai Hadas 143428d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 143528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 143628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 143728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 143828d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 143928d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 144028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 144128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 144228d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 144328d61370SYishai Hadas 144428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 144528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 144628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 144728d61370SYishai Hadas 144828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 144928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 145028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 145128d61370SYishai Hadas 145228d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 145328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 145428d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 145528d61370SYishai Hadas 145628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 145728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 145828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 145928d61370SYishai Hadas 146028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 146128d61370SYishai Hadas 146228d61370SYishai Hadas create_tir: 146328d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 146428d61370SYishai Hadas 146528d61370SYishai Hadas if (err) 146628d61370SYishai Hadas goto err; 146728d61370SYishai Hadas 146828d61370SYishai Hadas kvfree(in); 146928d61370SYishai Hadas /* qpn is reserved for that QP */ 147028d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 147128d61370SYishai Hadas return 0; 147228d61370SYishai Hadas 147328d61370SYishai Hadas err: 147428d61370SYishai Hadas kvfree(in); 147528d61370SYishai Hadas return err; 147628d61370SYishai Hadas } 147728d61370SYishai Hadas 1478e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1479e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1480e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1481e126ba97SEli Cohen { 1482e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 148309a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1484938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 1485e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 148689ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 148789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 148889ea94a7SMaor Gottlieb unsigned long flags; 1489cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 149009a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 149109a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1492cfb5e088SHaggai Abramovsky void *qpc; 149309a7d9ecSSaeed Mahameed u32 *in; 149409a7d9ecSSaeed Mahameed int err; 1495e126ba97SEli Cohen 14960fb2ed66Smajd@mellanox.com base = init_attr->qp_type == IB_QPT_RAW_PACKET ? 14970fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 14980fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 14990fb2ed66Smajd@mellanox.com 15000fb2ed66Smajd@mellanox.com if (init_attr->qp_type != IB_QPT_RAW_PACKET) 15016aec21f6SHaggai Eran mlx5_ib_odp_create_qp(qp); 15026aec21f6SHaggai Eran 1503e126ba97SEli Cohen mutex_init(&qp->mutex); 1504e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1505e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1506e126ba97SEli Cohen 150728d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 150828d61370SYishai Hadas if (!udata) 150928d61370SYishai Hadas return -ENOSYS; 151028d61370SYishai Hadas 151128d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 151228d61370SYishai Hadas return err; 151328d61370SYishai Hadas } 151428d61370SYishai Hadas 1515f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1516938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1517f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1518f360d88aSEli Cohen return -EINVAL; 1519f360d88aSEli Cohen } else { 1520f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1521f360d88aSEli Cohen } 1522f360d88aSEli Cohen } 1523f360d88aSEli Cohen 1524051f2630SLeon Romanovsky if (init_attr->create_flags & 1525051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1526051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1527051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1528051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1529051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1530051f2630SLeon Romanovsky return -EINVAL; 1531051f2630SLeon Romanovsky } 1532051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1533051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1534051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1535051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1536051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1537051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1538051f2630SLeon Romanovsky } 1539f0313965SErez Shitrit 1540f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1541f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1542f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1543f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1544f0313965SErez Shitrit return -EOPNOTSUPP; 1545f0313965SErez Shitrit } 1546f0313965SErez Shitrit 1547358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1548358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1549358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1550358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1551358e42eaSMajd Dibbiny } 1552358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1553358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1554358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1555358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1556358e42eaSMajd Dibbiny } 1557358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1558358e42eaSMajd Dibbiny } 1559358e42eaSMajd Dibbiny 1560e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1561e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1562e126ba97SEli Cohen 1563e126ba97SEli Cohen if (pd && pd->uobject) { 1564e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1565e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1566e126ba97SEli Cohen return -EFAULT; 1567e126ba97SEli Cohen } 1568e126ba97SEli Cohen 1569cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1570cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1571cfb5e088SHaggai Abramovsky if (err) 1572cfb5e088SHaggai Abramovsky return err; 1573cfb5e088SHaggai Abramovsky 1574e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1575e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1576e126ba97SEli Cohen } else { 1577e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1578e126ba97SEli Cohen } 1579e126ba97SEli Cohen 1580e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1581e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1582e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1583e126ba97SEli Cohen if (err) { 1584e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1585e126ba97SEli Cohen return err; 1586e126ba97SEli Cohen } 1587e126ba97SEli Cohen 1588e126ba97SEli Cohen if (pd) { 1589e126ba97SEli Cohen if (pd->uobject) { 1590938fe83cSSaeed Mahameed __u32 max_wqes = 1591938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1592e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1593e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1594e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1595e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1596e126ba97SEli Cohen return -EINVAL; 1597e126ba97SEli Cohen } 1598938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1599e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1600938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1601e126ba97SEli Cohen return -EINVAL; 1602e126ba97SEli Cohen } 1603b11a4f9cSHaggai Eran if (init_attr->create_flags & 1604b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1605b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1606b11a4f9cSHaggai Eran return -EINVAL; 1607b11a4f9cSHaggai Eran } 16080fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 16090fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1610e126ba97SEli Cohen if (err) 1611e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1612e126ba97SEli Cohen } else { 161319098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 161419098df2Smajd@mellanox.com base); 1615e126ba97SEli Cohen if (err) 1616e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1617e126ba97SEli Cohen } 1618e126ba97SEli Cohen 1619e126ba97SEli Cohen if (err) 1620e126ba97SEli Cohen return err; 1621e126ba97SEli Cohen } else { 162209a7d9ecSSaeed Mahameed in = mlx5_vzalloc(inlen); 1623e126ba97SEli Cohen if (!in) 1624e126ba97SEli Cohen return -ENOMEM; 1625e126ba97SEli Cohen 1626e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1627e126ba97SEli Cohen } 1628e126ba97SEli Cohen 1629e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1630e126ba97SEli Cohen qp->port = init_attr->port_num; 1631e126ba97SEli Cohen 163209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 163309a7d9ecSSaeed Mahameed 163409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); 163509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1636e126ba97SEli Cohen 1637e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 163809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1639e126ba97SEli Cohen else 164009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 164109a7d9ecSSaeed Mahameed 1642e126ba97SEli Cohen 1643e126ba97SEli Cohen if (qp->wq_sig) 164409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1645e126ba97SEli Cohen 1646f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 164709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1648f360d88aSEli Cohen 1649051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 165009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1651051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 165209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1653051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 165409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1655051f2630SLeon Romanovsky 1656e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1657e126ba97SEli Cohen int rcqe_sz; 1658e126ba97SEli Cohen int scqe_sz; 1659e126ba97SEli Cohen 1660e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1661e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1662e126ba97SEli Cohen 1663e126ba97SEli Cohen if (rcqe_sz == 128) 166409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1665e126ba97SEli Cohen else 166609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1667e126ba97SEli Cohen 1668e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1669e126ba97SEli Cohen if (scqe_sz == 128) 167009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1671e126ba97SEli Cohen else 167209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1673e126ba97SEli Cohen } 1674e126ba97SEli Cohen } 1675e126ba97SEli Cohen 1676e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 167709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 167809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1679e126ba97SEli Cohen } 1680e126ba97SEli Cohen 168109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1682e126ba97SEli Cohen 1683e126ba97SEli Cohen if (qp->sq.wqe_cnt) 168409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 1685e126ba97SEli Cohen else 168609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 1687e126ba97SEli Cohen 1688e126ba97SEli Cohen /* Set default resources */ 1689e126ba97SEli Cohen switch (init_attr->qp_type) { 1690e126ba97SEli Cohen case IB_QPT_XRC_TGT: 169109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 169209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 169309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 169409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1695e126ba97SEli Cohen break; 1696e126ba97SEli Cohen case IB_QPT_XRC_INI: 169709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 169809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 169909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1700e126ba97SEli Cohen break; 1701e126ba97SEli Cohen default: 1702e126ba97SEli Cohen if (init_attr->srq) { 170309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 170409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1705e126ba97SEli Cohen } else { 170609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 170709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1708e126ba97SEli Cohen } 1709e126ba97SEli Cohen } 1710e126ba97SEli Cohen 1711e126ba97SEli Cohen if (init_attr->send_cq) 171209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1713e126ba97SEli Cohen 1714e126ba97SEli Cohen if (init_attr->recv_cq) 171509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1716e126ba97SEli Cohen 171709a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1718e126ba97SEli Cohen 1719cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 172009a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1721cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 172209a7d9ecSSaeed Mahameed 1723f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1724f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1725f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1726f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1727f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1728f0313965SErez Shitrit } 1729cfb5e088SHaggai Abramovsky 17300fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 17310fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 17320fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 17330fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 17340fb2ed66Smajd@mellanox.com } else { 173519098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 17360fb2ed66Smajd@mellanox.com } 17370fb2ed66Smajd@mellanox.com 1738e126ba97SEli Cohen if (err) { 1739e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1740e126ba97SEli Cohen goto err_create; 1741e126ba97SEli Cohen } 1742e126ba97SEli Cohen 1743479163f4SAl Viro kvfree(in); 1744e126ba97SEli Cohen 174519098df2Smajd@mellanox.com base->container_mibqp = qp; 174619098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1747e126ba97SEli Cohen 174889ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 174989ea94a7SMaor Gottlieb &send_cq, &recv_cq); 175089ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 175189ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 175289ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 175389ea94a7SMaor Gottlieb * flow 175489ea94a7SMaor Gottlieb */ 175589ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 175689ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 175789ea94a7SMaor Gottlieb */ 175889ea94a7SMaor Gottlieb if (send_cq) 175989ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 176089ea94a7SMaor Gottlieb if (recv_cq) 176189ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 176289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 176389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 176489ea94a7SMaor Gottlieb 1765e126ba97SEli Cohen return 0; 1766e126ba97SEli Cohen 1767e126ba97SEli Cohen err_create: 1768e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 176919098df2Smajd@mellanox.com destroy_qp_user(pd, qp, base); 1770e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1771e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1772e126ba97SEli Cohen 1773479163f4SAl Viro kvfree(in); 1774e126ba97SEli Cohen return err; 1775e126ba97SEli Cohen } 1776e126ba97SEli Cohen 1777e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1778e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1779e126ba97SEli Cohen { 1780e126ba97SEli Cohen if (send_cq) { 1781e126ba97SEli Cohen if (recv_cq) { 1782e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 178389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1784e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1785e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1786e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 178789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1788e126ba97SEli Cohen __acquire(&recv_cq->lock); 1789e126ba97SEli Cohen } else { 179089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1791e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1792e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1793e126ba97SEli Cohen } 1794e126ba97SEli Cohen } else { 179589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 17966a4f139aSEli Cohen __acquire(&recv_cq->lock); 1797e126ba97SEli Cohen } 1798e126ba97SEli Cohen } else if (recv_cq) { 179989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 18006a4f139aSEli Cohen __acquire(&send_cq->lock); 18016a4f139aSEli Cohen } else { 18026a4f139aSEli Cohen __acquire(&send_cq->lock); 18036a4f139aSEli Cohen __acquire(&recv_cq->lock); 1804e126ba97SEli Cohen } 1805e126ba97SEli Cohen } 1806e126ba97SEli Cohen 1807e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1808e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1809e126ba97SEli Cohen { 1810e126ba97SEli Cohen if (send_cq) { 1811e126ba97SEli Cohen if (recv_cq) { 1812e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1813e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 181489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1815e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1816e126ba97SEli Cohen __release(&recv_cq->lock); 181789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1818e126ba97SEli Cohen } else { 1819e126ba97SEli Cohen spin_unlock(&send_cq->lock); 182089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1821e126ba97SEli Cohen } 1822e126ba97SEli Cohen } else { 18236a4f139aSEli Cohen __release(&recv_cq->lock); 182489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1825e126ba97SEli Cohen } 1826e126ba97SEli Cohen } else if (recv_cq) { 18276a4f139aSEli Cohen __release(&send_cq->lock); 182889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 18296a4f139aSEli Cohen } else { 18306a4f139aSEli Cohen __release(&recv_cq->lock); 18316a4f139aSEli Cohen __release(&send_cq->lock); 1832e126ba97SEli Cohen } 1833e126ba97SEli Cohen } 1834e126ba97SEli Cohen 1835e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1836e126ba97SEli Cohen { 1837e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1838e126ba97SEli Cohen } 1839e126ba97SEli Cohen 184089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 184189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1842e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1843e126ba97SEli Cohen { 184489ea94a7SMaor Gottlieb switch (qp_type) { 1845e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1846e126ba97SEli Cohen *send_cq = NULL; 1847e126ba97SEli Cohen *recv_cq = NULL; 1848e126ba97SEli Cohen break; 1849e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1850e126ba97SEli Cohen case IB_QPT_XRC_INI: 185189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1852e126ba97SEli Cohen *recv_cq = NULL; 1853e126ba97SEli Cohen break; 1854e126ba97SEli Cohen 1855e126ba97SEli Cohen case IB_QPT_SMI: 1856d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1857e126ba97SEli Cohen case IB_QPT_RC: 1858e126ba97SEli Cohen case IB_QPT_UC: 1859e126ba97SEli Cohen case IB_QPT_UD: 1860e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1861e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 18620fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 186389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 186489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 1865e126ba97SEli Cohen break; 1866e126ba97SEli Cohen 1867e126ba97SEli Cohen case IB_QPT_MAX: 1868e126ba97SEli Cohen default: 1869e126ba97SEli Cohen *send_cq = NULL; 1870e126ba97SEli Cohen *recv_cq = NULL; 1871e126ba97SEli Cohen break; 1872e126ba97SEli Cohen } 1873e126ba97SEli Cohen } 1874e126ba97SEli Cohen 1875ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 18760680efa2SAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param); 1877ad5f8e96Smajd@mellanox.com 1878e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1879e126ba97SEli Cohen { 1880e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 188119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 188289ea94a7SMaor Gottlieb unsigned long flags; 1883e126ba97SEli Cohen int err; 1884e126ba97SEli Cohen 188528d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 188628d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 188728d61370SYishai Hadas return; 188828d61370SYishai Hadas } 188928d61370SYishai Hadas 18900fb2ed66Smajd@mellanox.com base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? 18910fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 18920fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 18930fb2ed66Smajd@mellanox.com 18946aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1895ad5f8e96Smajd@mellanox.com if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { 18966aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 1897ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 18981a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 18991a412fb1SSaeed Mahameed NULL, &base->mqp); 1900ad5f8e96Smajd@mellanox.com } else { 19010680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 19020680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 19030680efa2SAlex Vesker }; 19040680efa2SAlex Vesker 19050680efa2SAlex Vesker err = modify_raw_packet_qp(dev, qp, &raw_qp_param); 1906ad5f8e96Smajd@mellanox.com } 1907ad5f8e96Smajd@mellanox.com if (err) 1908427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 190919098df2Smajd@mellanox.com base->mqp.qpn); 19106aec21f6SHaggai Eran } 1911e126ba97SEli Cohen 191289ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 191389ea94a7SMaor Gottlieb &send_cq, &recv_cq); 191489ea94a7SMaor Gottlieb 191589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 191689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 191789ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 191889ea94a7SMaor Gottlieb list_del(&qp->qps_list); 191989ea94a7SMaor Gottlieb if (send_cq) 192089ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 192189ea94a7SMaor Gottlieb 192289ea94a7SMaor Gottlieb if (recv_cq) 192389ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 1924e126ba97SEli Cohen 1925e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 192619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 1927e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 1928e126ba97SEli Cohen if (send_cq != recv_cq) 192919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 193019098df2Smajd@mellanox.com NULL); 1931e126ba97SEli Cohen } 193289ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 193389ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 1934e126ba97SEli Cohen 19350fb2ed66Smajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 19360fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 19370fb2ed66Smajd@mellanox.com } else { 193819098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 1939e126ba97SEli Cohen if (err) 19400fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 19410fb2ed66Smajd@mellanox.com base->mqp.qpn); 19420fb2ed66Smajd@mellanox.com } 1943e126ba97SEli Cohen 1944e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 1945e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1946e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 194719098df2Smajd@mellanox.com destroy_qp_user(&get_pd(qp)->ibpd, qp, base); 1948e126ba97SEli Cohen } 1949e126ba97SEli Cohen 1950e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 1951e126ba97SEli Cohen { 1952e126ba97SEli Cohen switch (type) { 1953e126ba97SEli Cohen case IB_QPT_SMI: 1954e126ba97SEli Cohen return "IB_QPT_SMI"; 1955e126ba97SEli Cohen case IB_QPT_GSI: 1956e126ba97SEli Cohen return "IB_QPT_GSI"; 1957e126ba97SEli Cohen case IB_QPT_RC: 1958e126ba97SEli Cohen return "IB_QPT_RC"; 1959e126ba97SEli Cohen case IB_QPT_UC: 1960e126ba97SEli Cohen return "IB_QPT_UC"; 1961e126ba97SEli Cohen case IB_QPT_UD: 1962e126ba97SEli Cohen return "IB_QPT_UD"; 1963e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1964e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 1965e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 1966e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 1967e126ba97SEli Cohen case IB_QPT_XRC_INI: 1968e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 1969e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1970e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 1971e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 1972e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 1973e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1974e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 1975e126ba97SEli Cohen case IB_QPT_MAX: 1976e126ba97SEli Cohen default: 1977e126ba97SEli Cohen return "Invalid QP type"; 1978e126ba97SEli Cohen } 1979e126ba97SEli Cohen } 1980e126ba97SEli Cohen 1981e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 1982e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1983e126ba97SEli Cohen struct ib_udata *udata) 1984e126ba97SEli Cohen { 1985e126ba97SEli Cohen struct mlx5_ib_dev *dev; 1986e126ba97SEli Cohen struct mlx5_ib_qp *qp; 1987e126ba97SEli Cohen u16 xrcdn = 0; 1988e126ba97SEli Cohen int err; 1989e126ba97SEli Cohen 1990e126ba97SEli Cohen if (pd) { 1991e126ba97SEli Cohen dev = to_mdev(pd->device); 19920fb2ed66Smajd@mellanox.com 19930fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 19940fb2ed66Smajd@mellanox.com if (!pd->uobject) { 19950fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 19960fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 19970fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 19980fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 19990fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 20000fb2ed66Smajd@mellanox.com } 20010fb2ed66Smajd@mellanox.com } 200209f16cf5SMajd Dibbiny } else { 200309f16cf5SMajd Dibbiny /* being cautious here */ 200409f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 200509f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 200609f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 200709f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 200809f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 200909f16cf5SMajd Dibbiny } 201009f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2011e126ba97SEli Cohen } 2012e126ba97SEli Cohen 2013e126ba97SEli Cohen switch (init_attr->qp_type) { 2014e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2015e126ba97SEli Cohen case IB_QPT_XRC_INI: 2016938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2017e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2018e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2019e126ba97SEli Cohen } 2020e126ba97SEli Cohen init_attr->recv_cq = NULL; 2021e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2022e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2023e126ba97SEli Cohen init_attr->send_cq = NULL; 2024e126ba97SEli Cohen } 2025e126ba97SEli Cohen 2026e126ba97SEli Cohen /* fall through */ 20270fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2028e126ba97SEli Cohen case IB_QPT_RC: 2029e126ba97SEli Cohen case IB_QPT_UC: 2030e126ba97SEli Cohen case IB_QPT_UD: 2031e126ba97SEli Cohen case IB_QPT_SMI: 2032d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2033e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2034e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2035e126ba97SEli Cohen if (!qp) 2036e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2037e126ba97SEli Cohen 2038e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2039e126ba97SEli Cohen if (err) { 2040e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2041e126ba97SEli Cohen kfree(qp); 2042e126ba97SEli Cohen return ERR_PTR(err); 2043e126ba97SEli Cohen } 2044e126ba97SEli Cohen 2045e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2046e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2047e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2048e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2049e126ba97SEli Cohen else 205019098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2051e126ba97SEli Cohen 2052e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 205319098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 205419098df2Smajd@mellanox.com to_mcq(init_attr->recv_cq)->mcq.cqn, 2055e126ba97SEli Cohen to_mcq(init_attr->send_cq)->mcq.cqn); 2056e126ba97SEli Cohen 205719098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2058e126ba97SEli Cohen 2059e126ba97SEli Cohen break; 2060e126ba97SEli Cohen 2061d16e91daSHaggai Eran case IB_QPT_GSI: 2062d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2063d16e91daSHaggai Eran 2064e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2065e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2066e126ba97SEli Cohen case IB_QPT_MAX: 2067e126ba97SEli Cohen default: 2068e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2069e126ba97SEli Cohen init_attr->qp_type); 2070e126ba97SEli Cohen /* Don't support raw QPs */ 2071e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2072e126ba97SEli Cohen } 2073e126ba97SEli Cohen 2074e126ba97SEli Cohen return &qp->ibqp; 2075e126ba97SEli Cohen } 2076e126ba97SEli Cohen 2077e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2078e126ba97SEli Cohen { 2079e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2080e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2081e126ba97SEli Cohen 2082d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2083d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2084d16e91daSHaggai Eran 2085e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2086e126ba97SEli Cohen 2087e126ba97SEli Cohen kfree(mqp); 2088e126ba97SEli Cohen 2089e126ba97SEli Cohen return 0; 2090e126ba97SEli Cohen } 2091e126ba97SEli Cohen 2092e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2093e126ba97SEli Cohen int attr_mask) 2094e126ba97SEli Cohen { 2095e126ba97SEli Cohen u32 hw_access_flags = 0; 2096e126ba97SEli Cohen u8 dest_rd_atomic; 2097e126ba97SEli Cohen u32 access_flags; 2098e126ba97SEli Cohen 2099e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2100e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2101e126ba97SEli Cohen else 210219098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2103e126ba97SEli Cohen 2104e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2105e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2106e126ba97SEli Cohen else 210719098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2108e126ba97SEli Cohen 2109e126ba97SEli Cohen if (!dest_rd_atomic) 2110e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2111e126ba97SEli Cohen 2112e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2113e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2114e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2115e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2116e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2117e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2118e126ba97SEli Cohen 2119e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2120e126ba97SEli Cohen } 2121e126ba97SEli Cohen 2122e126ba97SEli Cohen enum { 2123e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2124e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2125e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2126e126ba97SEli Cohen }; 2127e126ba97SEli Cohen 2128e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2129e126ba97SEli Cohen { 2130e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2131e126ba97SEli Cohen return 0; 2132e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2133e126ba97SEli Cohen return -EINVAL; 2134e126ba97SEli Cohen } else { 2135e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2136e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2137938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2138e126ba97SEli Cohen --rate; 2139e126ba97SEli Cohen } 2140e126ba97SEli Cohen 2141e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2142e126ba97SEli Cohen } 2143e126ba97SEli Cohen 214475850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 214575850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 214675850d0bSmajd@mellanox.com { 214775850d0bSmajd@mellanox.com void *in; 214875850d0bSmajd@mellanox.com void *tisc; 214975850d0bSmajd@mellanox.com int inlen; 215075850d0bSmajd@mellanox.com int err; 215175850d0bSmajd@mellanox.com 215275850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 215375850d0bSmajd@mellanox.com in = mlx5_vzalloc(inlen); 215475850d0bSmajd@mellanox.com if (!in) 215575850d0bSmajd@mellanox.com return -ENOMEM; 215675850d0bSmajd@mellanox.com 215775850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 215875850d0bSmajd@mellanox.com 215975850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 216075850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 216175850d0bSmajd@mellanox.com 216275850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 216375850d0bSmajd@mellanox.com 216475850d0bSmajd@mellanox.com kvfree(in); 216575850d0bSmajd@mellanox.com 216675850d0bSmajd@mellanox.com return err; 216775850d0bSmajd@mellanox.com } 216875850d0bSmajd@mellanox.com 216975850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 217075850d0bSmajd@mellanox.com const struct ib_ah_attr *ah, 2171e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2172f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2173f879ee8dSAchiad Shochat bool alt) 2174e126ba97SEli Cohen { 21752811ba51SAchiad Shochat enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); 2176e126ba97SEli Cohen int err; 2177e126ba97SEli Cohen 2178e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2179f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2180f879ee8dSAchiad Shochat attr->pkey_index); 2181e126ba97SEli Cohen 2182e126ba97SEli Cohen if (ah->ah_flags & IB_AH_GRH) { 2183938fe83cSSaeed Mahameed if (ah->grh.sgid_index >= 2184938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2185f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2186938fe83cSSaeed Mahameed ah->grh.sgid_index, 2187938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2188f83b4263SEli Cohen return -EINVAL; 2189f83b4263SEli Cohen } 21902811ba51SAchiad Shochat } 21912811ba51SAchiad Shochat 21922811ba51SAchiad Shochat if (ll == IB_LINK_LAYER_ETHERNET) { 21932811ba51SAchiad Shochat if (!(ah->ah_flags & IB_AH_GRH)) 21942811ba51SAchiad Shochat return -EINVAL; 21952811ba51SAchiad Shochat memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); 21962811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 21972811ba51SAchiad Shochat ah->grh.sgid_index); 21982811ba51SAchiad Shochat path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; 21992811ba51SAchiad Shochat } else { 2200d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2201d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2202d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 22032811ba51SAchiad Shochat path->rlid = cpu_to_be16(ah->dlid); 22042811ba51SAchiad Shochat path->grh_mlid = ah->src_path_bits & 0x7f; 22052811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) 2206e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 22072811ba51SAchiad Shochat path->dci_cfi_prio_sl = ah->sl & 0xf; 22082811ba51SAchiad Shochat } 22092811ba51SAchiad Shochat 22102811ba51SAchiad Shochat if (ah->ah_flags & IB_AH_GRH) { 2211e126ba97SEli Cohen path->mgid_index = ah->grh.sgid_index; 2212e126ba97SEli Cohen path->hop_limit = ah->grh.hop_limit; 2213e126ba97SEli Cohen path->tclass_flowlabel = 2214e126ba97SEli Cohen cpu_to_be32((ah->grh.traffic_class << 20) | 2215e126ba97SEli Cohen (ah->grh.flow_label)); 2216e126ba97SEli Cohen memcpy(path->rgid, ah->grh.dgid.raw, 16); 2217e126ba97SEli Cohen } 2218e126ba97SEli Cohen 2219e126ba97SEli Cohen err = ib_rate_to_mlx5(dev, ah->static_rate); 2220e126ba97SEli Cohen if (err < 0) 2221e126ba97SEli Cohen return err; 2222e126ba97SEli Cohen path->static_rate = err; 2223e126ba97SEli Cohen path->port = port; 2224e126ba97SEli Cohen 2225e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2226f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2227e126ba97SEli Cohen 222875850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 222975850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 223075850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 223175850d0bSmajd@mellanox.com ah->sl & 0xf); 223275850d0bSmajd@mellanox.com 2233e126ba97SEli Cohen return 0; 2234e126ba97SEli Cohen } 2235e126ba97SEli Cohen 2236e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2237e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2238e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2239e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2240e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2241e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2242e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2243e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2244e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2245e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2246e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2247e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2248e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2249e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2250e126ba97SEli Cohen }, 2251e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2252e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2253e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2254e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2255e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2256e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2257e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2258e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2259e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2260e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2261e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2262e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2263e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2264a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2265a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2266a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2267a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2268a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2269e126ba97SEli Cohen }, 2270e126ba97SEli Cohen }, 2271e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2272e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2273e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2274e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2275e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2276e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2277e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2278e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2279e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2280e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2281e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2282e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2283e126ba97SEli Cohen }, 2284e126ba97SEli Cohen }, 2285e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2286e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2287e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2288e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2289e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2290e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2291c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2292c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2293e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2294c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2295c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2296e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2297e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2298e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2299e126ba97SEli Cohen }, 2300e126ba97SEli Cohen }, 2301e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2302e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2303e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2304e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 230575959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2306a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2307a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2308a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2309a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2310e126ba97SEli Cohen }, 2311e126ba97SEli Cohen }, 2312e126ba97SEli Cohen }; 2313e126ba97SEli Cohen 2314e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2315e126ba97SEli Cohen { 2316e126ba97SEli Cohen switch (ib_mask) { 2317e126ba97SEli Cohen case IB_QP_STATE: 2318e126ba97SEli Cohen return 0; 2319e126ba97SEli Cohen case IB_QP_CUR_STATE: 2320e126ba97SEli Cohen return 0; 2321e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2322e126ba97SEli Cohen return 0; 2323e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2324e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2325e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2326e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2327e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2328e126ba97SEli Cohen case IB_QP_PORT: 2329e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2330e126ba97SEli Cohen case IB_QP_QKEY: 2331e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2332e126ba97SEli Cohen case IB_QP_AV: 2333e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2334e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2335e126ba97SEli Cohen case IB_QP_PATH_MTU: 2336e126ba97SEli Cohen return 0; 2337e126ba97SEli Cohen case IB_QP_TIMEOUT: 2338e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2339e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2340e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2341e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2342e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2343e126ba97SEli Cohen case IB_QP_RQ_PSN: 2344e126ba97SEli Cohen return 0; 2345e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2346e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2347e126ba97SEli Cohen case IB_QP_ALT_PATH: 2348e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2349e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2350e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2351e126ba97SEli Cohen case IB_QP_SQ_PSN: 2352e126ba97SEli Cohen return 0; 2353e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2354e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2355e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2356e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2357e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2358e126ba97SEli Cohen case IB_QP_CAP: 2359e126ba97SEli Cohen return 0; 2360e126ba97SEli Cohen case IB_QP_DEST_QPN: 2361e126ba97SEli Cohen return 0; 2362e126ba97SEli Cohen } 2363e126ba97SEli Cohen return 0; 2364e126ba97SEli Cohen } 2365e126ba97SEli Cohen 2366e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2367e126ba97SEli Cohen { 2368e126ba97SEli Cohen int result = 0; 2369e126ba97SEli Cohen int i; 2370e126ba97SEli Cohen 2371e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2372e126ba97SEli Cohen if ((1 << i) & ib_mask) 2373e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2374e126ba97SEli Cohen } 2375e126ba97SEli Cohen 2376e126ba97SEli Cohen return result; 2377e126ba97SEli Cohen } 2378e126ba97SEli Cohen 2379eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 2380eb49ab0cSAlex Vesker struct mlx5_ib_rq *rq, int new_state, 2381eb49ab0cSAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2382ad5f8e96Smajd@mellanox.com { 2383ad5f8e96Smajd@mellanox.com void *in; 2384ad5f8e96Smajd@mellanox.com void *rqc; 2385ad5f8e96Smajd@mellanox.com int inlen; 2386ad5f8e96Smajd@mellanox.com int err; 2387ad5f8e96Smajd@mellanox.com 2388ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 2389ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2390ad5f8e96Smajd@mellanox.com if (!in) 2391ad5f8e96Smajd@mellanox.com return -ENOMEM; 2392ad5f8e96Smajd@mellanox.com 2393ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2394ad5f8e96Smajd@mellanox.com 2395ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2396ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2397ad5f8e96Smajd@mellanox.com 2398eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2399eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2400eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 2401eb49ab0cSAlex Vesker MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_MODIFY_RQ_COUNTER_SET_ID); 2402eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2403eb49ab0cSAlex Vesker } else 2404eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2405eb49ab0cSAlex Vesker dev->ib_dev.name); 2406eb49ab0cSAlex Vesker } 2407eb49ab0cSAlex Vesker 2408eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2409ad5f8e96Smajd@mellanox.com if (err) 2410ad5f8e96Smajd@mellanox.com goto out; 2411ad5f8e96Smajd@mellanox.com 2412ad5f8e96Smajd@mellanox.com rq->state = new_state; 2413ad5f8e96Smajd@mellanox.com 2414ad5f8e96Smajd@mellanox.com out: 2415ad5f8e96Smajd@mellanox.com kvfree(in); 2416ad5f8e96Smajd@mellanox.com return err; 2417ad5f8e96Smajd@mellanox.com } 2418ad5f8e96Smajd@mellanox.com 2419ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 2420ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq, int new_state) 2421ad5f8e96Smajd@mellanox.com { 2422ad5f8e96Smajd@mellanox.com void *in; 2423ad5f8e96Smajd@mellanox.com void *sqc; 2424ad5f8e96Smajd@mellanox.com int inlen; 2425ad5f8e96Smajd@mellanox.com int err; 2426ad5f8e96Smajd@mellanox.com 2427ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 2428ad5f8e96Smajd@mellanox.com in = mlx5_vzalloc(inlen); 2429ad5f8e96Smajd@mellanox.com if (!in) 2430ad5f8e96Smajd@mellanox.com return -ENOMEM; 2431ad5f8e96Smajd@mellanox.com 2432ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2433ad5f8e96Smajd@mellanox.com 2434ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2435ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2436ad5f8e96Smajd@mellanox.com 2437ad5f8e96Smajd@mellanox.com err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 2438ad5f8e96Smajd@mellanox.com if (err) 2439ad5f8e96Smajd@mellanox.com goto out; 2440ad5f8e96Smajd@mellanox.com 2441ad5f8e96Smajd@mellanox.com sq->state = new_state; 2442ad5f8e96Smajd@mellanox.com 2443ad5f8e96Smajd@mellanox.com out: 2444ad5f8e96Smajd@mellanox.com kvfree(in); 2445ad5f8e96Smajd@mellanox.com return err; 2446ad5f8e96Smajd@mellanox.com } 2447ad5f8e96Smajd@mellanox.com 2448ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 24490680efa2SAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2450ad5f8e96Smajd@mellanox.com { 2451ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2452ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2453ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 2454ad5f8e96Smajd@mellanox.com int rq_state; 2455ad5f8e96Smajd@mellanox.com int sq_state; 2456ad5f8e96Smajd@mellanox.com int err; 2457ad5f8e96Smajd@mellanox.com 24580680efa2SAlex Vesker switch (raw_qp_param->operation) { 2459ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2460ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2461ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2462ad5f8e96Smajd@mellanox.com break; 2463ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2464ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2465ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2466ad5f8e96Smajd@mellanox.com break; 2467ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2468ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2469ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2470ad5f8e96Smajd@mellanox.com break; 2471ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2INIT_QP: 2472ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_INIT2RTR_QP: 2473ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2474ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 2475eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2476eb49ab0cSAlex Vesker return -EINVAL; 2477eb49ab0cSAlex Vesker else 2478ad5f8e96Smajd@mellanox.com return 0; 2479ad5f8e96Smajd@mellanox.com default: 2480ad5f8e96Smajd@mellanox.com WARN_ON(1); 2481ad5f8e96Smajd@mellanox.com return -EINVAL; 2482ad5f8e96Smajd@mellanox.com } 2483ad5f8e96Smajd@mellanox.com 2484ad5f8e96Smajd@mellanox.com if (qp->rq.wqe_cnt) { 2485eb49ab0cSAlex Vesker err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); 2486ad5f8e96Smajd@mellanox.com if (err) 2487ad5f8e96Smajd@mellanox.com return err; 2488ad5f8e96Smajd@mellanox.com } 2489ad5f8e96Smajd@mellanox.com 2490ad5f8e96Smajd@mellanox.com if (qp->sq.wqe_cnt) 2491ad5f8e96Smajd@mellanox.com return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state); 2492ad5f8e96Smajd@mellanox.com 2493ad5f8e96Smajd@mellanox.com return 0; 2494ad5f8e96Smajd@mellanox.com } 2495ad5f8e96Smajd@mellanox.com 2496e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2497e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2498e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2499e126ba97SEli Cohen { 2500427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2501427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2502427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2503427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2504427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2505427c1e7bSmajd@mellanox.com }, 2506427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2507427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2508427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2509427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2510427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2511427c1e7bSmajd@mellanox.com }, 2512427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2513427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2514427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2515427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2516427c1e7bSmajd@mellanox.com }, 2517427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2518427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2519427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2520427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2521427c1e7bSmajd@mellanox.com }, 2522427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2523427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2524427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2525427c1e7bSmajd@mellanox.com }, 2526427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2527427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2528427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2529427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2530427c1e7bSmajd@mellanox.com }, 2531427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2532427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2533427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2534427c1e7bSmajd@mellanox.com } 2535427c1e7bSmajd@mellanox.com }; 2536427c1e7bSmajd@mellanox.com 2537e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2538e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 253919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2540e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2541e126ba97SEli Cohen struct mlx5_qp_context *context; 2542e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2543eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 2544e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2545e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2546e126ba97SEli Cohen int sqd_event; 2547e126ba97SEli Cohen int mlx5_st; 2548e126ba97SEli Cohen int err; 2549427c1e7bSmajd@mellanox.com u16 op; 2550e126ba97SEli Cohen 25511a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 25521a412fb1SSaeed Mahameed if (!context) 2553e126ba97SEli Cohen return -ENOMEM; 2554e126ba97SEli Cohen 2555e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2556158abf86SHaggai Eran if (err < 0) { 2557158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2558e126ba97SEli Cohen goto out; 2559158abf86SHaggai Eran } 2560e126ba97SEli Cohen 2561e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2562e126ba97SEli Cohen 2563e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2564e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2565e126ba97SEli Cohen } else { 2566e126ba97SEli Cohen switch (attr->path_mig_state) { 2567e126ba97SEli Cohen case IB_MIG_MIGRATED: 2568e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2569e126ba97SEli Cohen break; 2570e126ba97SEli Cohen case IB_MIG_REARM: 2571e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2572e126ba97SEli Cohen break; 2573e126ba97SEli Cohen case IB_MIG_ARMED: 2574e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2575e126ba97SEli Cohen break; 2576e126ba97SEli Cohen } 2577e126ba97SEli Cohen } 2578e126ba97SEli Cohen 2579d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2580e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2581e126ba97SEli Cohen } else if (ibqp->qp_type == IB_QPT_UD || 2582e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2583e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2584e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2585e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2586e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2587e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2588e126ba97SEli Cohen err = -EINVAL; 2589e126ba97SEli Cohen goto out; 2590e126ba97SEli Cohen } 2591938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2592938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2593e126ba97SEli Cohen } 2594e126ba97SEli Cohen 2595e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2596e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2597e126ba97SEli Cohen 2598e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2599d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2600e126ba97SEli Cohen 2601e126ba97SEli Cohen /* todo implement counter_index functionality */ 2602e126ba97SEli Cohen 2603e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2604e126ba97SEli Cohen context->pri_path.port = qp->port; 2605e126ba97SEli Cohen 2606e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2607e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2608e126ba97SEli Cohen 2609e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 261075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2611e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2612f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2613e126ba97SEli Cohen if (err) 2614e126ba97SEli Cohen goto out; 2615e126ba97SEli Cohen } 2616e126ba97SEli Cohen 2617e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2618e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2619e126ba97SEli Cohen 2620e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 262175850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 262275850d0bSmajd@mellanox.com &context->alt_path, 2623f879ee8dSAchiad Shochat attr->alt_port_num, 2624f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2625f879ee8dSAchiad Shochat 0, attr, true); 2626e126ba97SEli Cohen if (err) 2627e126ba97SEli Cohen goto out; 2628e126ba97SEli Cohen } 2629e126ba97SEli Cohen 2630e126ba97SEli Cohen pd = get_pd(qp); 263189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 263289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2633e126ba97SEli Cohen 2634e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2635e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2636e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2637e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2638e126ba97SEli Cohen 2639e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2640e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2641e126ba97SEli Cohen 2642e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2643e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2644e126ba97SEli Cohen 2645e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2646e126ba97SEli Cohen if (attr->max_rd_atomic) 2647e126ba97SEli Cohen context->params1 |= 2648e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2649e126ba97SEli Cohen } 2650e126ba97SEli Cohen 2651e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2652e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2653e126ba97SEli Cohen 2654e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2655e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2656e126ba97SEli Cohen context->params2 |= 2657e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2658e126ba97SEli Cohen } 2659e126ba97SEli Cohen 2660e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2661e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2662e126ba97SEli Cohen 2663e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2664e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2665e126ba97SEli Cohen 2666e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2667e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2668e126ba97SEli Cohen 2669e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2670e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2671e126ba97SEli Cohen 2672e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2673e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2674e126ba97SEli Cohen 2675e126ba97SEli Cohen if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD && 2676e126ba97SEli Cohen attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify) 2677e126ba97SEli Cohen sqd_event = 1; 2678e126ba97SEli Cohen else 2679e126ba97SEli Cohen sqd_event = 0; 2680e126ba97SEli Cohen 26810837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 26820837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 26830837e86aSMark Bloch qp->port) - 1; 2684eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 26850837e86aSMark Bloch context->qp_counter_set_usr_page |= 2686321a9e3eSAlex Vesker cpu_to_be32((u32)(mibport->q_cnt_id) << 24); 26870837e86aSMark Bloch } 26880837e86aSMark Bloch 2689e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2690e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2691e126ba97SEli Cohen 2692b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2693b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2694e126ba97SEli Cohen 2695e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2696e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2697e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 269807c9113fSEli Cohen if (mlx5_st < 0) 2699e126ba97SEli Cohen goto out; 2700e126ba97SEli Cohen 27016aec21f6SHaggai Eran /* If moving to a reset or error state, we must disable page faults on 27026aec21f6SHaggai Eran * this QP and flush all current page faults. Otherwise a stale page 27036aec21f6SHaggai Eran * fault may attempt to work on this QP after it is reset and moved 27046aec21f6SHaggai Eran * again to RTS, and may cause the driver and the device to get out of 27056aec21f6SHaggai Eran * sync. */ 27066aec21f6SHaggai Eran if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR && 2707ad5f8e96Smajd@mellanox.com (new_state == IB_QPS_RESET || new_state == IB_QPS_ERR) && 2708ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 27096aec21f6SHaggai Eran mlx5_ib_qp_disable_pagefaults(qp); 27106aec21f6SHaggai Eran 2711427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2712427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2713427c1e7bSmajd@mellanox.com goto out; 2714427c1e7bSmajd@mellanox.com 2715427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2716e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2717e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2718ad5f8e96Smajd@mellanox.com 27190680efa2SAlex Vesker if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 27200680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 27210680efa2SAlex Vesker 27220680efa2SAlex Vesker raw_qp_param.operation = op; 2723eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 2724eb49ab0cSAlex Vesker raw_qp_param.rq_q_ctr_id = mibport->q_cnt_id; 2725eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 2726eb49ab0cSAlex Vesker } 27270680efa2SAlex Vesker err = modify_raw_packet_qp(dev, qp, &raw_qp_param); 27280680efa2SAlex Vesker } else { 27291a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 273019098df2Smajd@mellanox.com &base->mqp); 27310680efa2SAlex Vesker } 27320680efa2SAlex Vesker 2733e126ba97SEli Cohen if (err) 2734e126ba97SEli Cohen goto out; 2735e126ba97SEli Cohen 2736ad5f8e96Smajd@mellanox.com if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT && 2737ad5f8e96Smajd@mellanox.com (qp->ibqp.qp_type != IB_QPT_RAW_PACKET)) 27386aec21f6SHaggai Eran mlx5_ib_qp_enable_pagefaults(qp); 27396aec21f6SHaggai Eran 2740e126ba97SEli Cohen qp->state = new_state; 2741e126ba97SEli Cohen 2742e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 274319098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2744e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 274519098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2746e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2747e126ba97SEli Cohen qp->port = attr->port_num; 2748e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 274919098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2750e126ba97SEli Cohen 2751e126ba97SEli Cohen /* 2752e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2753e126ba97SEli Cohen * entries and reinitialize the QP. 2754e126ba97SEli Cohen */ 2755e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 275619098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2757e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2758e126ba97SEli Cohen if (send_cq != recv_cq) 275919098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2760e126ba97SEli Cohen 2761e126ba97SEli Cohen qp->rq.head = 0; 2762e126ba97SEli Cohen qp->rq.tail = 0; 2763e126ba97SEli Cohen qp->sq.head = 0; 2764e126ba97SEli Cohen qp->sq.tail = 0; 2765e126ba97SEli Cohen qp->sq.cur_post = 0; 2766e126ba97SEli Cohen qp->sq.last_poll = 0; 2767e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2768e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2769e126ba97SEli Cohen } 2770e126ba97SEli Cohen 2771e126ba97SEli Cohen out: 27721a412fb1SSaeed Mahameed kfree(context); 2773e126ba97SEli Cohen return err; 2774e126ba97SEli Cohen } 2775e126ba97SEli Cohen 2776e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2777e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2778e126ba97SEli Cohen { 2779e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2780e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2781d16e91daSHaggai Eran enum ib_qp_type qp_type; 2782e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2783e126ba97SEli Cohen int err = -EINVAL; 2784e126ba97SEli Cohen int port; 27852811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2786e126ba97SEli Cohen 278728d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 278828d61370SYishai Hadas return -ENOSYS; 278928d61370SYishai Hadas 2790d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 2791d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 2792d16e91daSHaggai Eran 2793d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 2794d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 2795d16e91daSHaggai Eran 2796e126ba97SEli Cohen mutex_lock(&qp->mutex); 2797e126ba97SEli Cohen 2798e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 2799e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 2800e126ba97SEli Cohen 28012811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 28022811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 28032811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 28042811ba51SAchiad Shochat } 28052811ba51SAchiad Shochat 2806d16e91daSHaggai Eran if (qp_type != MLX5_IB_QPT_REG_UMR && 2807d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 2808158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 2809158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 2810e126ba97SEli Cohen goto out; 2811158abf86SHaggai Eran } 2812e126ba97SEli Cohen 2813e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 2814938fe83cSSaeed Mahameed (attr->port_num == 0 || 2815158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 2816158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 2817158abf86SHaggai Eran attr->port_num, dev->num_ports); 2818e126ba97SEli Cohen goto out; 2819158abf86SHaggai Eran } 2820e126ba97SEli Cohen 2821e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 2822e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 2823938fe83cSSaeed Mahameed if (attr->pkey_index >= 2824158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 2825158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 2826158abf86SHaggai Eran attr->pkey_index); 2827e126ba97SEli Cohen goto out; 2828e126ba97SEli Cohen } 2829158abf86SHaggai Eran } 2830e126ba97SEli Cohen 2831e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 2832938fe83cSSaeed Mahameed attr->max_rd_atomic > 2833158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 2834158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 2835158abf86SHaggai Eran attr->max_rd_atomic); 2836e126ba97SEli Cohen goto out; 2837158abf86SHaggai Eran } 2838e126ba97SEli Cohen 2839e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 2840938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 2841158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 2842158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 2843158abf86SHaggai Eran attr->max_dest_rd_atomic); 2844e126ba97SEli Cohen goto out; 2845158abf86SHaggai Eran } 2846e126ba97SEli Cohen 2847e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 2848e126ba97SEli Cohen err = 0; 2849e126ba97SEli Cohen goto out; 2850e126ba97SEli Cohen } 2851e126ba97SEli Cohen 2852e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 2853e126ba97SEli Cohen 2854e126ba97SEli Cohen out: 2855e126ba97SEli Cohen mutex_unlock(&qp->mutex); 2856e126ba97SEli Cohen return err; 2857e126ba97SEli Cohen } 2858e126ba97SEli Cohen 2859e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 2860e126ba97SEli Cohen { 2861e126ba97SEli Cohen struct mlx5_ib_cq *cq; 2862e126ba97SEli Cohen unsigned cur; 2863e126ba97SEli Cohen 2864e126ba97SEli Cohen cur = wq->head - wq->tail; 2865e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 2866e126ba97SEli Cohen return 0; 2867e126ba97SEli Cohen 2868e126ba97SEli Cohen cq = to_mcq(ib_cq); 2869e126ba97SEli Cohen spin_lock(&cq->lock); 2870e126ba97SEli Cohen cur = wq->head - wq->tail; 2871e126ba97SEli Cohen spin_unlock(&cq->lock); 2872e126ba97SEli Cohen 2873e126ba97SEli Cohen return cur + nreq >= wq->max_post; 2874e126ba97SEli Cohen } 2875e126ba97SEli Cohen 2876e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 2877e126ba97SEli Cohen u64 remote_addr, u32 rkey) 2878e126ba97SEli Cohen { 2879e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 2880e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 2881e126ba97SEli Cohen rseg->reserved = 0; 2882e126ba97SEli Cohen } 2883e126ba97SEli Cohen 2884f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 2885f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 2886f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 2887f0313965SErez Shitrit { 2888f0313965SErez Shitrit void *seg = eseg; 2889f0313965SErez Shitrit 2890f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 2891f0313965SErez Shitrit 2892f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 2893f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 2894f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 2895f0313965SErez Shitrit 2896f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 2897f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 2898f0313965SErez Shitrit 2899f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 2900f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 2901f0313965SErez Shitrit int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start); 2902f0313965SErez Shitrit u64 left, leftlen, copysz; 2903f0313965SErez Shitrit void *pdata = ud_wr->header; 2904f0313965SErez Shitrit 2905f0313965SErez Shitrit left = ud_wr->hlen; 2906f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 2907f0313965SErez Shitrit eseg->inline_hdr_sz = cpu_to_be16(left); 2908f0313965SErez Shitrit 2909f0313965SErez Shitrit /* 2910f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 2911f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 2912f0313965SErez Shitrit * rollback and than the copy the left 2913f0313965SErez Shitrit */ 2914f0313965SErez Shitrit leftlen = qend - (void *)eseg->inline_hdr_start; 2915f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 2916f0313965SErez Shitrit 2917f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 2918f0313965SErez Shitrit 2919f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 2920f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 2921f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 2922f0313965SErez Shitrit } 2923f0313965SErez Shitrit 2924f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 2925f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 2926f0313965SErez Shitrit left -= copysz; 2927f0313965SErez Shitrit pdata += copysz; 2928f0313965SErez Shitrit memcpy(seg, pdata, left); 2929f0313965SErez Shitrit seg += ALIGN(left, 16); 2930f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 2931f0313965SErez Shitrit } 2932f0313965SErez Shitrit } 2933f0313965SErez Shitrit 2934f0313965SErez Shitrit return seg; 2935f0313965SErez Shitrit } 2936f0313965SErez Shitrit 2937e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 2938e126ba97SEli Cohen struct ib_send_wr *wr) 2939e126ba97SEli Cohen { 2940e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 2941e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 2942e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 2943e126ba97SEli Cohen } 2944e126ba97SEli Cohen 2945e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 2946e126ba97SEli Cohen { 2947e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 2948e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 2949e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 2950e126ba97SEli Cohen } 2951e126ba97SEli Cohen 2952e126ba97SEli Cohen static __be16 get_klm_octo(int npages) 2953e126ba97SEli Cohen { 2954e126ba97SEli Cohen return cpu_to_be16(ALIGN(npages, 8) / 2); 2955e126ba97SEli Cohen } 2956e126ba97SEli Cohen 2957e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 2958e126ba97SEli Cohen { 2959e126ba97SEli Cohen u64 result; 2960e126ba97SEli Cohen 2961e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 2962e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 2963e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 2964e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 2965e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 2966e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 2967e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 2968e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 2969e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 2970e126ba97SEli Cohen MLX5_MKEY_MASK_A | 2971e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 2972e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 2973e126ba97SEli Cohen 2974e126ba97SEli Cohen return cpu_to_be64(result); 2975e126ba97SEli Cohen } 2976e126ba97SEli Cohen 2977e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 2978e6631814SSagi Grimberg { 2979e6631814SSagi Grimberg u64 result; 2980e6631814SSagi Grimberg 2981e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 2982e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 2983e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 2984d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 2985e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 2986e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 2987e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 2988e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 2989e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 2990e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 2991e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 2992e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 2993e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 2994e6631814SSagi Grimberg 2995e6631814SSagi Grimberg return cpu_to_be64(result); 2996e6631814SSagi Grimberg } 2997e6631814SSagi Grimberg 29988a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 29998a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 30008a187ee5SSagi Grimberg { 30018a187ee5SSagi Grimberg int ndescs = mr->ndescs; 30028a187ee5SSagi Grimberg 30038a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3004b005d316SSagi Grimberg 3005ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3006b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3007b005d316SSagi Grimberg ndescs *= 2; 3008b005d316SSagi Grimberg 30098a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 30108a187ee5SSagi Grimberg umr->klm_octowords = get_klm_octo(ndescs); 30118a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 30128a187ee5SSagi Grimberg } 30138a187ee5SSagi Grimberg 3014dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3015e126ba97SEli Cohen { 3016e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3017e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 3018e126ba97SEli Cohen umr->flags = 1 << 7; 3019e126ba97SEli Cohen } 3020e126ba97SEli Cohen 3021968e78ddSHaggai Eran static __be64 get_umr_reg_mr_mask(void) 3022e126ba97SEli Cohen { 3023968e78ddSHaggai Eran u64 result; 3024e126ba97SEli Cohen 3025968e78ddSHaggai Eran result = MLX5_MKEY_MASK_LEN | 3026e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3027e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3028e126ba97SEli Cohen MLX5_MKEY_MASK_PD | 3029e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3030e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3031746b5583SEli Cohen MLX5_MKEY_MASK_KEY | 3032e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3033e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3034e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3035e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3036968e78ddSHaggai Eran 3037968e78ddSHaggai Eran return cpu_to_be64(result); 3038968e78ddSHaggai Eran } 3039968e78ddSHaggai Eran 3040968e78ddSHaggai Eran static __be64 get_umr_unreg_mr_mask(void) 3041968e78ddSHaggai Eran { 3042968e78ddSHaggai Eran u64 result; 3043968e78ddSHaggai Eran 3044968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3045968e78ddSHaggai Eran 3046968e78ddSHaggai Eran return cpu_to_be64(result); 3047968e78ddSHaggai Eran } 3048968e78ddSHaggai Eran 3049968e78ddSHaggai Eran static __be64 get_umr_update_mtt_mask(void) 3050968e78ddSHaggai Eran { 3051968e78ddSHaggai Eran u64 result; 3052968e78ddSHaggai Eran 3053968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3054968e78ddSHaggai Eran 3055968e78ddSHaggai Eran return cpu_to_be64(result); 3056968e78ddSHaggai Eran } 3057968e78ddSHaggai Eran 305856e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 305956e11d62SNoa Osherovich { 306056e11d62SNoa Osherovich u64 result; 306156e11d62SNoa Osherovich 306256e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 306356e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 306456e11d62SNoa Osherovich MLX5_MKEY_MASK_START_ADDR | 306556e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 306656e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 306756e11d62SNoa Osherovich 306856e11d62SNoa Osherovich return cpu_to_be64(result); 306956e11d62SNoa Osherovich } 307056e11d62SNoa Osherovich 307156e11d62SNoa Osherovich static __be64 get_umr_update_access_mask(void) 307256e11d62SNoa Osherovich { 307356e11d62SNoa Osherovich u64 result; 307456e11d62SNoa Osherovich 307556e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LW | 307656e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 307756e11d62SNoa Osherovich MLX5_MKEY_MASK_RW | 307856e11d62SNoa Osherovich MLX5_MKEY_MASK_A | 307956e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 308056e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 308156e11d62SNoa Osherovich 308256e11d62SNoa Osherovich return cpu_to_be64(result); 308356e11d62SNoa Osherovich } 308456e11d62SNoa Osherovich 308556e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 308656e11d62SNoa Osherovich { 308756e11d62SNoa Osherovich u64 result; 308856e11d62SNoa Osherovich 308956e11d62SNoa Osherovich result = MLX5_MKEY_MASK_PD | 309056e11d62SNoa Osherovich MLX5_MKEY_MASK_KEY | 309156e11d62SNoa Osherovich MLX5_MKEY_MASK_FREE; 309256e11d62SNoa Osherovich 309356e11d62SNoa Osherovich return cpu_to_be64(result); 309456e11d62SNoa Osherovich } 309556e11d62SNoa Osherovich 3096968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3097968e78ddSHaggai Eran struct ib_send_wr *wr) 3098968e78ddSHaggai Eran { 3099e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3100968e78ddSHaggai Eran 3101968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3102968e78ddSHaggai Eran 3103968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3104968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3105968e78ddSHaggai Eran else 3106968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3107968e78ddSHaggai Eran 3108968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UNREG)) { 3109968e78ddSHaggai Eran umr->klm_octowords = get_klm_octo(umrwr->npages); 3110968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT) { 3111968e78ddSHaggai Eran umr->mkey_mask = get_umr_update_mtt_mask(); 3112968e78ddSHaggai Eran umr->bsf_octowords = get_klm_octo(umrwr->target.offset); 3113968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3114968e78ddSHaggai Eran } 311556e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 311656e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 311756e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_ACCESS) 311856e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_access_mask(); 311956e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD) 312056e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 312156e11d62SNoa Osherovich if (!umr->mkey_mask) 312256e11d62SNoa Osherovich umr->mkey_mask = get_umr_reg_mr_mask(); 3123968e78ddSHaggai Eran } else { 3124968e78ddSHaggai Eran umr->mkey_mask = get_umr_unreg_mr_mask(); 3125e126ba97SEli Cohen } 3126e126ba97SEli Cohen 3127e126ba97SEli Cohen if (!wr->num_sge) 3128968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3129e126ba97SEli Cohen } 3130e126ba97SEli Cohen 3131e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3132e126ba97SEli Cohen { 3133e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3134e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3135e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3136e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 31372ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3138e126ba97SEli Cohen } 3139e126ba97SEli Cohen 31408a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 31418a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 31428a187ee5SSagi Grimberg u32 key, int access) 31438a187ee5SSagi Grimberg { 31448a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 31458a187ee5SSagi Grimberg 31468a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3147b005d316SSagi Grimberg 3148ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3149b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3150ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3151b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3152b005d316SSagi Grimberg ndescs *= 2; 3153b005d316SSagi Grimberg 3154b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 31558a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 31568a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 31578a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 31588a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 31598a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 31608a187ee5SSagi Grimberg } 31618a187ee5SSagi Grimberg 3162dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3163e126ba97SEli Cohen { 3164e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3165968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3166e126ba97SEli Cohen } 3167e126ba97SEli Cohen 3168e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3169e126ba97SEli Cohen { 3170e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3171968e78ddSHaggai Eran 3172e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3173e126ba97SEli Cohen if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) { 3174968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3175e126ba97SEli Cohen return; 3176e126ba97SEli Cohen } 3177e126ba97SEli Cohen 3178968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 3179968e78ddSHaggai Eran if (!(wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_MTT)) { 318056e11d62SNoa Osherovich if (umrwr->pd) 3181968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 3182968e78ddSHaggai Eran seg->start_addr = cpu_to_be64(umrwr->target.virt_addr); 3183968e78ddSHaggai Eran } 3184968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3185968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3186746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3187968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3188e126ba97SEli Cohen } 3189e126ba97SEli Cohen 31908a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 31918a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 31928a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 31938a187ee5SSagi Grimberg { 31948a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 31958a187ee5SSagi Grimberg 31968a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 31978a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 31988a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 31998a187ee5SSagi Grimberg } 32008a187ee5SSagi Grimberg 3201e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3202e126ba97SEli Cohen { 3203e126ba97SEli Cohen switch (wr->opcode) { 3204e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3205e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3206e126ba97SEli Cohen return wr->ex.imm_data; 3207e126ba97SEli Cohen 3208e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3209e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3210e126ba97SEli Cohen 3211e126ba97SEli Cohen default: 3212e126ba97SEli Cohen return 0; 3213e126ba97SEli Cohen } 3214e126ba97SEli Cohen } 3215e126ba97SEli Cohen 3216e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3217e126ba97SEli Cohen { 3218e126ba97SEli Cohen u8 *p = wqe; 3219e126ba97SEli Cohen u8 res = 0; 3220e126ba97SEli Cohen int i; 3221e126ba97SEli Cohen 3222e126ba97SEli Cohen for (i = 0; i < size; i++) 3223e126ba97SEli Cohen res ^= p[i]; 3224e126ba97SEli Cohen 3225e126ba97SEli Cohen return ~res; 3226e126ba97SEli Cohen } 3227e126ba97SEli Cohen 3228e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3229e126ba97SEli Cohen { 3230e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3231e126ba97SEli Cohen } 3232e126ba97SEli Cohen 3233e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3234e126ba97SEli Cohen void *wqe, int *sz) 3235e126ba97SEli Cohen { 3236e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3237e126ba97SEli Cohen void *qend = qp->sq.qend; 3238e126ba97SEli Cohen void *addr; 3239e126ba97SEli Cohen int inl = 0; 3240e126ba97SEli Cohen int copy; 3241e126ba97SEli Cohen int len; 3242e126ba97SEli Cohen int i; 3243e126ba97SEli Cohen 3244e126ba97SEli Cohen seg = wqe; 3245e126ba97SEli Cohen wqe += sizeof(*seg); 3246e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3247e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3248e126ba97SEli Cohen len = wr->sg_list[i].length; 3249e126ba97SEli Cohen inl += len; 3250e126ba97SEli Cohen 3251e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3252e126ba97SEli Cohen return -ENOMEM; 3253e126ba97SEli Cohen 3254e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3255e126ba97SEli Cohen copy = qend - wqe; 3256e126ba97SEli Cohen memcpy(wqe, addr, copy); 3257e126ba97SEli Cohen addr += copy; 3258e126ba97SEli Cohen len -= copy; 3259e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3260e126ba97SEli Cohen } 3261e126ba97SEli Cohen memcpy(wqe, addr, len); 3262e126ba97SEli Cohen wqe += len; 3263e126ba97SEli Cohen } 3264e126ba97SEli Cohen 3265e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3266e126ba97SEli Cohen 3267e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3268e126ba97SEli Cohen 3269e126ba97SEli Cohen return 0; 3270e126ba97SEli Cohen } 3271e126ba97SEli Cohen 3272e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3273e6631814SSagi Grimberg { 3274e6631814SSagi Grimberg switch (type) { 3275e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3276e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3277e6631814SSagi Grimberg default: 3278e6631814SSagi Grimberg return 0; 3279e6631814SSagi Grimberg } 3280e6631814SSagi Grimberg } 3281e6631814SSagi Grimberg 3282e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3283e6631814SSagi Grimberg { 3284e6631814SSagi Grimberg switch (block_size) { 3285e6631814SSagi Grimberg case 512: return 0x1; 3286e6631814SSagi Grimberg case 520: return 0x2; 3287e6631814SSagi Grimberg case 4096: return 0x3; 3288e6631814SSagi Grimberg case 4160: return 0x4; 3289e6631814SSagi Grimberg case 1073741824: return 0x5; 3290e6631814SSagi Grimberg default: return 0; 3291e6631814SSagi Grimberg } 3292e6631814SSagi Grimberg } 3293e6631814SSagi Grimberg 329478eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3295142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3296e6631814SSagi Grimberg { 3297142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3298142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3299142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3300142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3301142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3302142537f4SSagi Grimberg /* repeating block */ 3303142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3304142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3305142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3306e6631814SSagi Grimberg 330778eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 330878eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3309e6631814SSagi Grimberg 331078eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 331178eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 331278eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 331378eda2bbSSagi Grimberg else 331478eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3315e6631814SSagi Grimberg } 3316e6631814SSagi Grimberg 331778eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 331878eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3319e6631814SSagi Grimberg } 3320e6631814SSagi Grimberg 3321e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3322e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3323e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3324e6631814SSagi Grimberg { 3325e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3326e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3327e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3328e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3329e6631814SSagi Grimberg 3330c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3331e6631814SSagi Grimberg 3332142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3333142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3334e6631814SSagi Grimberg /* Input domain check byte mask */ 3335e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 333678eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 333778eda2bbSSagi Grimberg 333878eda2bbSSagi Grimberg /* Memory domain */ 333978eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 334078eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 334178eda2bbSSagi Grimberg break; 334278eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 334378eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 334478eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 334578eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 334678eda2bbSSagi Grimberg break; 334778eda2bbSSagi Grimberg default: 334878eda2bbSSagi Grimberg return -EINVAL; 334978eda2bbSSagi Grimberg } 335078eda2bbSSagi Grimberg 335178eda2bbSSagi Grimberg /* Wire domain */ 335278eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 335378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 335478eda2bbSSagi Grimberg break; 335578eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3356e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 335778eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3358e6631814SSagi Grimberg /* Same block structure */ 3359142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3360e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3361fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3362c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3363fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3364c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3365fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3366e6631814SSagi Grimberg } else 3367e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3368e6631814SSagi Grimberg 3369142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 337078eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3371e6631814SSagi Grimberg break; 3372e6631814SSagi Grimberg default: 3373e6631814SSagi Grimberg return -EINVAL; 3374e6631814SSagi Grimberg } 3375e6631814SSagi Grimberg 3376e6631814SSagi Grimberg return 0; 3377e6631814SSagi Grimberg } 3378e6631814SSagi Grimberg 3379e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3380e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3381e6631814SSagi Grimberg { 3382e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3383e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3384e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3385e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3386e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3387e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3388e6631814SSagi Grimberg int ret; 3389e6631814SSagi Grimberg int wqe_size; 3390e6631814SSagi Grimberg 3391e622f2f4SChristoph Hellwig if (!wr->prot || 3392e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3393e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3394e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3395e6631814SSagi Grimberg /** 3396e6631814SSagi Grimberg * Source domain doesn't contain signature information 33975c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3398e6631814SSagi Grimberg * So need construct: 3399e6631814SSagi Grimberg * ------------------ 3400e6631814SSagi Grimberg * | data_klm | 3401e6631814SSagi Grimberg * ------------------ 3402e6631814SSagi Grimberg * | BSF | 3403e6631814SSagi Grimberg * ------------------ 3404e6631814SSagi Grimberg **/ 3405e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3406e6631814SSagi Grimberg 3407e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3408e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3409e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3410e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3411e6631814SSagi Grimberg } else { 3412e6631814SSagi Grimberg /** 3413e6631814SSagi Grimberg * Source domain contains signature information 3414e6631814SSagi Grimberg * So need construct a strided block format: 3415e6631814SSagi Grimberg * --------------------------- 3416e6631814SSagi Grimberg * | stride_block_ctrl | 3417e6631814SSagi Grimberg * --------------------------- 3418e6631814SSagi Grimberg * | data_klm | 3419e6631814SSagi Grimberg * --------------------------- 3420e6631814SSagi Grimberg * | prot_klm | 3421e6631814SSagi Grimberg * --------------------------- 3422e6631814SSagi Grimberg * | BSF | 3423e6631814SSagi Grimberg * --------------------------- 3424e6631814SSagi Grimberg **/ 3425e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3426e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3427e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3428e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3429e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3430e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3431e6631814SSagi Grimberg int prot_size; 3432e6631814SSagi Grimberg 3433e6631814SSagi Grimberg sblock_ctrl = *seg; 3434e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3435e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3436e6631814SSagi Grimberg 3437e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3438e6631814SSagi Grimberg if (!prot_size) { 3439e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3440e6631814SSagi Grimberg return -EINVAL; 3441e6631814SSagi Grimberg } 3442e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3443e6631814SSagi Grimberg prot_size); 3444e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3445e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3446e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3447e6631814SSagi Grimberg 3448e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3449e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3450e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 34515c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 34525c273b16SSagi Grimberg 3453e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3454e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3455e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3456e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 34575c273b16SSagi Grimberg 3458e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3459e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3460e6631814SSagi Grimberg } 3461e6631814SSagi Grimberg 3462e6631814SSagi Grimberg *seg += wqe_size; 3463e6631814SSagi Grimberg *size += wqe_size / 16; 3464e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3465e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3466e6631814SSagi Grimberg 3467e6631814SSagi Grimberg bsf = *seg; 3468e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3469e6631814SSagi Grimberg if (ret) 3470e6631814SSagi Grimberg return -EINVAL; 3471e6631814SSagi Grimberg 3472e6631814SSagi Grimberg *seg += sizeof(*bsf); 3473e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3474e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3475e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3476e6631814SSagi Grimberg 3477e6631814SSagi Grimberg return 0; 3478e6631814SSagi Grimberg } 3479e6631814SSagi Grimberg 3480e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 3481e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr, u32 nelements, 3482e6631814SSagi Grimberg u32 length, u32 pdn) 3483e6631814SSagi Grimberg { 3484e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3485e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3486d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3487e6631814SSagi Grimberg 3488e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3489e6631814SSagi Grimberg 3490e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3491ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3492e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3493d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3494e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3495e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 3496e6631814SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements))); 3497e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3498e6631814SSagi Grimberg } 3499e6631814SSagi Grimberg 3500e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3501e622f2f4SChristoph Hellwig u32 nelements) 3502e6631814SSagi Grimberg { 3503e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3504e6631814SSagi Grimberg 3505e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 3506e6631814SSagi Grimberg umr->klm_octowords = get_klm_octo(nelements); 3507e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3508e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3509e6631814SSagi Grimberg } 3510e6631814SSagi Grimberg 3511e6631814SSagi Grimberg 3512e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3513e6631814SSagi Grimberg void **seg, int *size) 3514e6631814SSagi Grimberg { 3515e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3516e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3517e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 3518e6631814SSagi Grimberg u32 klm_oct_size; 3519e6631814SSagi Grimberg int region_len, ret; 3520e6631814SSagi Grimberg 3521e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3522e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3523d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3524d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3525e6631814SSagi Grimberg return -EINVAL; 3526e6631814SSagi Grimberg 3527e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3528e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3529e622f2f4SChristoph Hellwig if (wr->prot && 3530e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3531e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3532e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3533e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3534e6631814SSagi Grimberg 3535e6631814SSagi Grimberg /** 3536e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3537e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3538e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3539e6631814SSagi Grimberg **/ 3540e622f2f4SChristoph Hellwig klm_oct_size = wr->prot ? 3 : 1; 3541e6631814SSagi Grimberg 3542e622f2f4SChristoph Hellwig set_sig_umr_segment(*seg, klm_oct_size); 3543e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3544e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3545e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3546e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3547e6631814SSagi Grimberg 3548e6631814SSagi Grimberg set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn); 3549e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3550e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3551e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3552e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3553e6631814SSagi Grimberg 3554e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3555e6631814SSagi Grimberg if (ret) 3556e6631814SSagi Grimberg return ret; 3557e6631814SSagi Grimberg 3558d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3559e6631814SSagi Grimberg return 0; 3560e6631814SSagi Grimberg } 3561e6631814SSagi Grimberg 3562e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3563e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3564e6631814SSagi Grimberg { 3565e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3566e6631814SSagi Grimberg 3567e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3568e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3569e6631814SSagi Grimberg switch (domain->sig_type) { 357078eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 357178eda2bbSSagi Grimberg break; 3572e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3573e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3574e6631814SSagi Grimberg domain->sig.dif.app_tag); 3575e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3576e6631814SSagi Grimberg break; 3577e6631814SSagi Grimberg default: 3578e6631814SSagi Grimberg pr_err("Bad signature type given.\n"); 3579e6631814SSagi Grimberg return 1; 3580e6631814SSagi Grimberg } 3581e6631814SSagi Grimberg 358278eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 358378eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 358478eda2bbSSagi Grimberg 3585e6631814SSagi Grimberg return 0; 3586e6631814SSagi Grimberg } 3587e6631814SSagi Grimberg 35888a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 35898a187ee5SSagi Grimberg struct ib_reg_wr *wr, 35908a187ee5SSagi Grimberg void **seg, int *size) 35918a187ee5SSagi Grimberg { 35928a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 35938a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 35948a187ee5SSagi Grimberg 35958a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 35968a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 35978a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 35988a187ee5SSagi Grimberg return -EINVAL; 35998a187ee5SSagi Grimberg } 36008a187ee5SSagi Grimberg 36018a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 36028a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 36038a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 36048a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 36058a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 36068a187ee5SSagi Grimberg 36078a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 36088a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 36098a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 36108a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 36118a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 36128a187ee5SSagi Grimberg 36138a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 36148a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 36158a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 36168a187ee5SSagi Grimberg 36178a187ee5SSagi Grimberg return 0; 36188a187ee5SSagi Grimberg } 36198a187ee5SSagi Grimberg 3620dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3621e126ba97SEli Cohen { 3622dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3623e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3624e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3625e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3626e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3627dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3628e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3629e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3630e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3631e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3632e126ba97SEli Cohen } 3633e126ba97SEli Cohen 3634e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3635e126ba97SEli Cohen { 3636e126ba97SEli Cohen __be32 *p = NULL; 3637e126ba97SEli Cohen int tidx = idx; 3638e126ba97SEli Cohen int i, j; 3639e126ba97SEli Cohen 3640e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3641e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3642e126ba97SEli Cohen if ((i & 0xf) == 0) { 3643e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3644e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3645e126ba97SEli Cohen p = buf; 3646e126ba97SEli Cohen j = 0; 3647e126ba97SEli Cohen } 3648e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3649e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3650e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3651e126ba97SEli Cohen } 3652e126ba97SEli Cohen } 3653e126ba97SEli Cohen 3654e126ba97SEli Cohen static void mlx5_bf_copy(u64 __iomem *dst, u64 *src, 3655e126ba97SEli Cohen unsigned bytecnt, struct mlx5_ib_qp *qp) 3656e126ba97SEli Cohen { 3657e126ba97SEli Cohen while (bytecnt > 0) { 3658e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3659e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3660e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3661e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3662e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3663e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3664e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3665e126ba97SEli Cohen __iowrite64_copy(dst++, src++, 8); 3666e126ba97SEli Cohen bytecnt -= 64; 3667e126ba97SEli Cohen if (unlikely(src == qp->sq.qend)) 3668e126ba97SEli Cohen src = mlx5_get_send_wqe(qp, 0); 3669e126ba97SEli Cohen } 3670e126ba97SEli Cohen } 3671e126ba97SEli Cohen 3672e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr) 3673e126ba97SEli Cohen { 3674e126ba97SEli Cohen if (unlikely(wr->opcode == IB_WR_LOCAL_INV && 3675e126ba97SEli Cohen wr->send_flags & IB_SEND_FENCE)) 3676e126ba97SEli Cohen return MLX5_FENCE_MODE_STRONG_ORDERING; 3677e126ba97SEli Cohen 3678e126ba97SEli Cohen if (unlikely(fence)) { 3679e126ba97SEli Cohen if (wr->send_flags & IB_SEND_FENCE) 3680e126ba97SEli Cohen return MLX5_FENCE_MODE_SMALL_AND_FENCE; 3681e126ba97SEli Cohen else 3682e126ba97SEli Cohen return fence; 3683c9b25495SEli Cohen } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { 3684c9b25495SEli Cohen return MLX5_FENCE_MODE_FENCE; 3685e126ba97SEli Cohen } 3686c9b25495SEli Cohen 3687c9b25495SEli Cohen return 0; 3688e126ba97SEli Cohen } 3689e126ba97SEli Cohen 36906e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 36916e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 36926a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 36936e5eadacSSagi Grimberg int *size, int nreq) 36946e5eadacSSagi Grimberg { 36956e5eadacSSagi Grimberg int err = 0; 36966e5eadacSSagi Grimberg 36976e5eadacSSagi Grimberg if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) { 36986e5eadacSSagi Grimberg err = -ENOMEM; 36996e5eadacSSagi Grimberg return err; 37006e5eadacSSagi Grimberg } 37016e5eadacSSagi Grimberg 37026e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 37036e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 37046e5eadacSSagi Grimberg *ctrl = *seg; 37056e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 37066e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 37076e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 37086e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 37096e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 37106e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 37116e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 37126e5eadacSSagi Grimberg 37136e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 37146e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 37156e5eadacSSagi Grimberg 37166e5eadacSSagi Grimberg return err; 37176e5eadacSSagi Grimberg } 37186e5eadacSSagi Grimberg 37196e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 37206e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 37216e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 37226e5eadacSSagi Grimberg int nreq, u8 fence, u8 next_fence, 37236e5eadacSSagi Grimberg u32 mlx5_opcode) 37246e5eadacSSagi Grimberg { 37256e5eadacSSagi Grimberg u8 opmod = 0; 37266e5eadacSSagi Grimberg 37276e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 37286e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 372919098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 37306e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 37316e5eadacSSagi Grimberg qp->fm_cache = next_fence; 37326e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 37336e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 37346e5eadacSSagi Grimberg 37356e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 37366e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 37376e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 37386e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 37396e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 37406e5eadacSSagi Grimberg } 37416e5eadacSSagi Grimberg 37426e5eadacSSagi Grimberg 3743e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3744e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3745e126ba97SEli Cohen { 3746e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3747e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 374889ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 3749d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3750e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3751e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3752e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3753d16e91daSHaggai Eran struct mlx5_bf *bf; 3754e126ba97SEli Cohen int uninitialized_var(size); 3755d16e91daSHaggai Eran void *qend; 3756e126ba97SEli Cohen unsigned long flags; 3757e126ba97SEli Cohen unsigned idx; 3758e126ba97SEli Cohen int err = 0; 3759e126ba97SEli Cohen int inl = 0; 3760e126ba97SEli Cohen int num_sge; 3761e126ba97SEli Cohen void *seg; 3762e126ba97SEli Cohen int nreq; 3763e126ba97SEli Cohen int i; 3764e126ba97SEli Cohen u8 next_fence = 0; 3765e126ba97SEli Cohen u8 fence; 3766e126ba97SEli Cohen 3767d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3768d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3769d16e91daSHaggai Eran 3770d16e91daSHaggai Eran qp = to_mqp(ibqp); 3771d16e91daSHaggai Eran bf = qp->bf; 3772d16e91daSHaggai Eran qend = qp->sq.qend; 3773d16e91daSHaggai Eran 3774e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3775e126ba97SEli Cohen 377689ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 377789ea94a7SMaor Gottlieb err = -EIO; 377889ea94a7SMaor Gottlieb *bad_wr = wr; 377989ea94a7SMaor Gottlieb nreq = 0; 378089ea94a7SMaor Gottlieb goto out; 378189ea94a7SMaor Gottlieb } 378289ea94a7SMaor Gottlieb 3783e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3784a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3785e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3786e126ba97SEli Cohen err = -EINVAL; 3787e126ba97SEli Cohen *bad_wr = wr; 3788e126ba97SEli Cohen goto out; 3789e126ba97SEli Cohen } 3790e126ba97SEli Cohen 3791e126ba97SEli Cohen fence = qp->fm_cache; 3792e126ba97SEli Cohen num_sge = wr->num_sge; 3793e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3794e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3795e126ba97SEli Cohen err = -ENOMEM; 3796e126ba97SEli Cohen *bad_wr = wr; 3797e126ba97SEli Cohen goto out; 3798e126ba97SEli Cohen } 3799e126ba97SEli Cohen 38006e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 38016e5eadacSSagi Grimberg if (err) { 38026e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 38036e5eadacSSagi Grimberg err = -ENOMEM; 38046e5eadacSSagi Grimberg *bad_wr = wr; 38056e5eadacSSagi Grimberg goto out; 38066e5eadacSSagi Grimberg } 3807e126ba97SEli Cohen 3808e126ba97SEli Cohen switch (ibqp->qp_type) { 3809e126ba97SEli Cohen case IB_QPT_XRC_INI: 3810e126ba97SEli Cohen xrc = seg; 3811e126ba97SEli Cohen seg += sizeof(*xrc); 3812e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3813e126ba97SEli Cohen /* fall through */ 3814e126ba97SEli Cohen case IB_QPT_RC: 3815e126ba97SEli Cohen switch (wr->opcode) { 3816e126ba97SEli Cohen case IB_WR_RDMA_READ: 3817e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3818e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3819e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3820e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3821e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3822e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3823e126ba97SEli Cohen break; 3824e126ba97SEli Cohen 3825e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3826e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3827e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 382881bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 382981bea28fSEli Cohen err = -ENOSYS; 383081bea28fSEli Cohen *bad_wr = wr; 383181bea28fSEli Cohen goto out; 3832e126ba97SEli Cohen 3833e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3834e126ba97SEli Cohen next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3835e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3836e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3837dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3838e126ba97SEli Cohen num_sge = 0; 3839e126ba97SEli Cohen break; 3840e126ba97SEli Cohen 38418a187ee5SSagi Grimberg case IB_WR_REG_MR: 38428a187ee5SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 38438a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 38448a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 38458a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 38468a187ee5SSagi Grimberg if (err) { 38478a187ee5SSagi Grimberg *bad_wr = wr; 38488a187ee5SSagi Grimberg goto out; 38498a187ee5SSagi Grimberg } 38508a187ee5SSagi Grimberg num_sge = 0; 38518a187ee5SSagi Grimberg break; 38528a187ee5SSagi Grimberg 3853e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 3854e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 3855e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 3856e6631814SSagi Grimberg 3857e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 3858e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 3859e6631814SSagi Grimberg if (err) { 3860e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3861e6631814SSagi Grimberg *bad_wr = wr; 3862e6631814SSagi Grimberg goto out; 3863e6631814SSagi Grimberg } 3864e6631814SSagi Grimberg 3865e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3866e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3867e6631814SSagi Grimberg next_fence, MLX5_OPCODE_UMR); 3868e6631814SSagi Grimberg /* 3869e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 3870e6631814SSagi Grimberg * on error 3871e6631814SSagi Grimberg */ 3872e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 3873e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 3874e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3875e6631814SSagi Grimberg &idx, &size, nreq); 3876e6631814SSagi Grimberg if (err) { 3877e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3878e6631814SSagi Grimberg err = -ENOMEM; 3879e6631814SSagi Grimberg *bad_wr = wr; 3880e6631814SSagi Grimberg goto out; 3881e6631814SSagi Grimberg } 3882e6631814SSagi Grimberg 3883e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 3884e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 3885e6631814SSagi Grimberg &size); 3886e6631814SSagi Grimberg if (err) { 3887e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3888e6631814SSagi Grimberg *bad_wr = wr; 3889e6631814SSagi Grimberg goto out; 3890e6631814SSagi Grimberg } 3891e6631814SSagi Grimberg 3892e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3893e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3894e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3895e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 3896e6631814SSagi Grimberg &idx, &size, nreq); 3897e6631814SSagi Grimberg if (err) { 3898e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3899e6631814SSagi Grimberg err = -ENOMEM; 3900e6631814SSagi Grimberg *bad_wr = wr; 3901e6631814SSagi Grimberg goto out; 3902e6631814SSagi Grimberg } 3903e6631814SSagi Grimberg 3904e6631814SSagi Grimberg next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 3905e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 3906e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 3907e6631814SSagi Grimberg &size); 3908e6631814SSagi Grimberg if (err) { 3909e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 3910e6631814SSagi Grimberg *bad_wr = wr; 3911e6631814SSagi Grimberg goto out; 3912e6631814SSagi Grimberg } 3913e6631814SSagi Grimberg 3914e6631814SSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, 3915e6631814SSagi Grimberg nreq, get_fence(fence, wr), 3916e6631814SSagi Grimberg next_fence, MLX5_OPCODE_SET_PSV); 3917e6631814SSagi Grimberg num_sge = 0; 3918e6631814SSagi Grimberg goto skip_psv; 3919e6631814SSagi Grimberg 3920e126ba97SEli Cohen default: 3921e126ba97SEli Cohen break; 3922e126ba97SEli Cohen } 3923e126ba97SEli Cohen break; 3924e126ba97SEli Cohen 3925e126ba97SEli Cohen case IB_QPT_UC: 3926e126ba97SEli Cohen switch (wr->opcode) { 3927e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3928e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3929e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3930e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3931e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3932e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3933e126ba97SEli Cohen break; 3934e126ba97SEli Cohen 3935e126ba97SEli Cohen default: 3936e126ba97SEli Cohen break; 3937e126ba97SEli Cohen } 3938e126ba97SEli Cohen break; 3939e126ba97SEli Cohen 3940e126ba97SEli Cohen case IB_QPT_SMI: 3941d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 3942e126ba97SEli Cohen set_datagram_seg(seg, wr); 3943e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 3944e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3945e126ba97SEli Cohen if (unlikely((seg == qend))) 3946e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3947e126ba97SEli Cohen break; 3948f0313965SErez Shitrit case IB_QPT_UD: 3949f0313965SErez Shitrit set_datagram_seg(seg, wr); 3950f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 3951f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 3952e126ba97SEli Cohen 3953f0313965SErez Shitrit if (unlikely((seg == qend))) 3954f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3955f0313965SErez Shitrit 3956f0313965SErez Shitrit /* handle qp that supports ud offload */ 3957f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 3958f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 3959f0313965SErez Shitrit 3960f0313965SErez Shitrit pad = seg; 3961f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 3962f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 3963f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 3964f0313965SErez Shitrit 3965f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 3966f0313965SErez Shitrit 3967f0313965SErez Shitrit if (unlikely((seg == qend))) 3968f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3969f0313965SErez Shitrit } 3970f0313965SErez Shitrit break; 3971e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 3972e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 3973e126ba97SEli Cohen err = -EINVAL; 3974e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 3975e126ba97SEli Cohen goto out; 3976e126ba97SEli Cohen } 3977e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 3978e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 3979e126ba97SEli Cohen set_reg_umr_segment(seg, wr); 3980e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3981e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3982e126ba97SEli Cohen if (unlikely((seg == qend))) 3983e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3984e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 3985e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 3986e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 3987e126ba97SEli Cohen if (unlikely((seg == qend))) 3988e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 3989e126ba97SEli Cohen break; 3990e126ba97SEli Cohen 3991e126ba97SEli Cohen default: 3992e126ba97SEli Cohen break; 3993e126ba97SEli Cohen } 3994e126ba97SEli Cohen 3995e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 3996e126ba97SEli Cohen int uninitialized_var(sz); 3997e126ba97SEli Cohen 3998e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 3999e126ba97SEli Cohen if (unlikely(err)) { 4000e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4001e126ba97SEli Cohen *bad_wr = wr; 4002e126ba97SEli Cohen goto out; 4003e126ba97SEli Cohen } 4004e126ba97SEli Cohen inl = 1; 4005e126ba97SEli Cohen size += sz; 4006e126ba97SEli Cohen } else { 4007e126ba97SEli Cohen dpseg = seg; 4008e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4009e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4010e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4011e126ba97SEli Cohen dpseg = seg; 4012e126ba97SEli Cohen } 4013e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4014e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4015e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4016e126ba97SEli Cohen dpseg++; 4017e126ba97SEli Cohen } 4018e126ba97SEli Cohen } 4019e126ba97SEli Cohen } 4020e126ba97SEli Cohen 40216e5eadacSSagi Grimberg finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40226e5eadacSSagi Grimberg get_fence(fence, wr), next_fence, 40236e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4024e6631814SSagi Grimberg skip_psv: 4025e126ba97SEli Cohen if (0) 4026e126ba97SEli Cohen dump_wqe(qp, idx, size); 4027e126ba97SEli Cohen } 4028e126ba97SEli Cohen 4029e126ba97SEli Cohen out: 4030e126ba97SEli Cohen if (likely(nreq)) { 4031e126ba97SEli Cohen qp->sq.head += nreq; 4032e126ba97SEli Cohen 4033e126ba97SEli Cohen /* Make sure that descriptors are written before 4034e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4035e126ba97SEli Cohen */ 4036e126ba97SEli Cohen wmb(); 4037e126ba97SEli Cohen 4038e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4039e126ba97SEli Cohen 4040ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4041ada388f7SEli Cohen * we hit doorbell */ 4042ada388f7SEli Cohen wmb(); 4043ada388f7SEli Cohen 4044e126ba97SEli Cohen if (bf->need_lock) 4045e126ba97SEli Cohen spin_lock(&bf->lock); 40466a4f139aSEli Cohen else 40476a4f139aSEli Cohen __acquire(&bf->lock); 4048e126ba97SEli Cohen 4049e126ba97SEli Cohen /* TBD enable WC */ 4050e126ba97SEli Cohen if (0 && nreq == 1 && bf->uuarn && inl && size > 1 && size <= bf->buf_size / 16) { 4051e126ba97SEli Cohen mlx5_bf_copy(bf->reg + bf->offset, (u64 *)ctrl, ALIGN(size * 16, 64), qp); 4052e126ba97SEli Cohen /* wc_wmb(); */ 4053e126ba97SEli Cohen } else { 4054e126ba97SEli Cohen mlx5_write64((__be32 *)ctrl, bf->regreg + bf->offset, 4055e126ba97SEli Cohen MLX5_GET_DOORBELL_LOCK(&bf->lock32)); 4056e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4057e126ba97SEli Cohen * and reach the HCA out of order. 4058e126ba97SEli Cohen */ 4059e126ba97SEli Cohen mmiowb(); 4060e126ba97SEli Cohen } 4061e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4062e126ba97SEli Cohen if (bf->need_lock) 4063e126ba97SEli Cohen spin_unlock(&bf->lock); 40646a4f139aSEli Cohen else 40656a4f139aSEli Cohen __release(&bf->lock); 4066e126ba97SEli Cohen } 4067e126ba97SEli Cohen 4068e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4069e126ba97SEli Cohen 4070e126ba97SEli Cohen return err; 4071e126ba97SEli Cohen } 4072e126ba97SEli Cohen 4073e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4074e126ba97SEli Cohen { 4075e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4076e126ba97SEli Cohen } 4077e126ba97SEli Cohen 4078e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4079e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4080e126ba97SEli Cohen { 4081e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4082e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4083e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 408489ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 408589ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4086e126ba97SEli Cohen unsigned long flags; 4087e126ba97SEli Cohen int err = 0; 4088e126ba97SEli Cohen int nreq; 4089e126ba97SEli Cohen int ind; 4090e126ba97SEli Cohen int i; 4091e126ba97SEli Cohen 4092d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4093d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4094d16e91daSHaggai Eran 4095e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4096e126ba97SEli Cohen 409789ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 409889ea94a7SMaor Gottlieb err = -EIO; 409989ea94a7SMaor Gottlieb *bad_wr = wr; 410089ea94a7SMaor Gottlieb nreq = 0; 410189ea94a7SMaor Gottlieb goto out; 410289ea94a7SMaor Gottlieb } 410389ea94a7SMaor Gottlieb 4104e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4105e126ba97SEli Cohen 4106e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4107e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4108e126ba97SEli Cohen err = -ENOMEM; 4109e126ba97SEli Cohen *bad_wr = wr; 4110e126ba97SEli Cohen goto out; 4111e126ba97SEli Cohen } 4112e126ba97SEli Cohen 4113e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4114e126ba97SEli Cohen err = -EINVAL; 4115e126ba97SEli Cohen *bad_wr = wr; 4116e126ba97SEli Cohen goto out; 4117e126ba97SEli Cohen } 4118e126ba97SEli Cohen 4119e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4120e126ba97SEli Cohen if (qp->wq_sig) 4121e126ba97SEli Cohen scat++; 4122e126ba97SEli Cohen 4123e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4124e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4125e126ba97SEli Cohen 4126e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4127e126ba97SEli Cohen scat[i].byte_count = 0; 4128e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4129e126ba97SEli Cohen scat[i].addr = 0; 4130e126ba97SEli Cohen } 4131e126ba97SEli Cohen 4132e126ba97SEli Cohen if (qp->wq_sig) { 4133e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4134e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4135e126ba97SEli Cohen } 4136e126ba97SEli Cohen 4137e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4138e126ba97SEli Cohen 4139e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4140e126ba97SEli Cohen } 4141e126ba97SEli Cohen 4142e126ba97SEli Cohen out: 4143e126ba97SEli Cohen if (likely(nreq)) { 4144e126ba97SEli Cohen qp->rq.head += nreq; 4145e126ba97SEli Cohen 4146e126ba97SEli Cohen /* Make sure that descriptors are written before 4147e126ba97SEli Cohen * doorbell record. 4148e126ba97SEli Cohen */ 4149e126ba97SEli Cohen wmb(); 4150e126ba97SEli Cohen 4151e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4152e126ba97SEli Cohen } 4153e126ba97SEli Cohen 4154e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4155e126ba97SEli Cohen 4156e126ba97SEli Cohen return err; 4157e126ba97SEli Cohen } 4158e126ba97SEli Cohen 4159e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4160e126ba97SEli Cohen { 4161e126ba97SEli Cohen switch (mlx5_state) { 4162e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4163e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4164e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4165e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4166e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4167e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4168e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4169e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4170e126ba97SEli Cohen default: return -1; 4171e126ba97SEli Cohen } 4172e126ba97SEli Cohen } 4173e126ba97SEli Cohen 4174e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4175e126ba97SEli Cohen { 4176e126ba97SEli Cohen switch (mlx5_mig_state) { 4177e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4178e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4179e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4180e126ba97SEli Cohen default: return -1; 4181e126ba97SEli Cohen } 4182e126ba97SEli Cohen } 4183e126ba97SEli Cohen 4184e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4185e126ba97SEli Cohen { 4186e126ba97SEli Cohen int ib_flags = 0; 4187e126ba97SEli Cohen 4188e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4189e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4190e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4191e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4192e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4193e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4194e126ba97SEli Cohen 4195e126ba97SEli Cohen return ib_flags; 4196e126ba97SEli Cohen } 4197e126ba97SEli Cohen 4198e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, 4199e126ba97SEli Cohen struct mlx5_qp_path *path) 4200e126ba97SEli Cohen { 42019603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4202e126ba97SEli Cohen 4203e126ba97SEli Cohen memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); 4204e126ba97SEli Cohen ib_ah_attr->port_num = path->port; 4205e126ba97SEli Cohen 4206c7a08ac7SEli Cohen if (ib_ah_attr->port_num == 0 || 4207938fe83cSSaeed Mahameed ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) 4208e126ba97SEli Cohen return; 4209e126ba97SEli Cohen 42102811ba51SAchiad Shochat ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; 4211e126ba97SEli Cohen 4212e126ba97SEli Cohen ib_ah_attr->dlid = be16_to_cpu(path->rlid); 4213e126ba97SEli Cohen ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; 4214e126ba97SEli Cohen ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; 4215e126ba97SEli Cohen ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; 4216e126ba97SEli Cohen if (ib_ah_attr->ah_flags) { 4217e126ba97SEli Cohen ib_ah_attr->grh.sgid_index = path->mgid_index; 4218e126ba97SEli Cohen ib_ah_attr->grh.hop_limit = path->hop_limit; 4219e126ba97SEli Cohen ib_ah_attr->grh.traffic_class = 4220e126ba97SEli Cohen (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; 4221e126ba97SEli Cohen ib_ah_attr->grh.flow_label = 4222e126ba97SEli Cohen be32_to_cpu(path->tclass_flowlabel) & 0xfffff; 4223e126ba97SEli Cohen memcpy(ib_ah_attr->grh.dgid.raw, 4224e126ba97SEli Cohen path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); 4225e126ba97SEli Cohen } 4226e126ba97SEli Cohen } 4227e126ba97SEli Cohen 42286d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 42296d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 42306d2f89dfSmajd@mellanox.com u8 *sq_state) 4231e126ba97SEli Cohen { 42326d2f89dfSmajd@mellanox.com void *out; 42336d2f89dfSmajd@mellanox.com void *sqc; 42346d2f89dfSmajd@mellanox.com int inlen; 42356d2f89dfSmajd@mellanox.com int err; 42366d2f89dfSmajd@mellanox.com 42376d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 42386d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 42396d2f89dfSmajd@mellanox.com if (!out) 42406d2f89dfSmajd@mellanox.com return -ENOMEM; 42416d2f89dfSmajd@mellanox.com 42426d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 42436d2f89dfSmajd@mellanox.com if (err) 42446d2f89dfSmajd@mellanox.com goto out; 42456d2f89dfSmajd@mellanox.com 42466d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 42476d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 42486d2f89dfSmajd@mellanox.com sq->state = *sq_state; 42496d2f89dfSmajd@mellanox.com 42506d2f89dfSmajd@mellanox.com out: 42516d2f89dfSmajd@mellanox.com kvfree(out); 42526d2f89dfSmajd@mellanox.com return err; 42536d2f89dfSmajd@mellanox.com } 42546d2f89dfSmajd@mellanox.com 42556d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 42566d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 42576d2f89dfSmajd@mellanox.com u8 *rq_state) 42586d2f89dfSmajd@mellanox.com { 42596d2f89dfSmajd@mellanox.com void *out; 42606d2f89dfSmajd@mellanox.com void *rqc; 42616d2f89dfSmajd@mellanox.com int inlen; 42626d2f89dfSmajd@mellanox.com int err; 42636d2f89dfSmajd@mellanox.com 42646d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 42656d2f89dfSmajd@mellanox.com out = mlx5_vzalloc(inlen); 42666d2f89dfSmajd@mellanox.com if (!out) 42676d2f89dfSmajd@mellanox.com return -ENOMEM; 42686d2f89dfSmajd@mellanox.com 42696d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 42706d2f89dfSmajd@mellanox.com if (err) 42716d2f89dfSmajd@mellanox.com goto out; 42726d2f89dfSmajd@mellanox.com 42736d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 42746d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 42756d2f89dfSmajd@mellanox.com rq->state = *rq_state; 42766d2f89dfSmajd@mellanox.com 42776d2f89dfSmajd@mellanox.com out: 42786d2f89dfSmajd@mellanox.com kvfree(out); 42796d2f89dfSmajd@mellanox.com return err; 42806d2f89dfSmajd@mellanox.com } 42816d2f89dfSmajd@mellanox.com 42826d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 42836d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 42846d2f89dfSmajd@mellanox.com { 42856d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 42866d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 42876d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 42886d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 42896d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 42906d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 42916d2f89dfSmajd@mellanox.com }, 42926d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 42936d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 42946d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 42956d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 42966d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 42976d2f89dfSmajd@mellanox.com }, 42986d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 42996d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 43006d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 43016d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 43026d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 43036d2f89dfSmajd@mellanox.com }, 43046d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 43056d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 43066d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 43076d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 43086d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 43096d2f89dfSmajd@mellanox.com }, 43106d2f89dfSmajd@mellanox.com }; 43116d2f89dfSmajd@mellanox.com 43126d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 43136d2f89dfSmajd@mellanox.com 43146d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 43156d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 43166d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 43176d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 43186d2f89dfSmajd@mellanox.com return -EINVAL; 43196d2f89dfSmajd@mellanox.com } 43206d2f89dfSmajd@mellanox.com 43216d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 43226d2f89dfSmajd@mellanox.com *qp_state = qp->state; 43236d2f89dfSmajd@mellanox.com 43246d2f89dfSmajd@mellanox.com return 0; 43256d2f89dfSmajd@mellanox.com } 43266d2f89dfSmajd@mellanox.com 43276d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 43286d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 43296d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 43306d2f89dfSmajd@mellanox.com { 43316d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 43326d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 43336d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 43346d2f89dfSmajd@mellanox.com int err; 43356d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 43366d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 43376d2f89dfSmajd@mellanox.com 43386d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 43396d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 43406d2f89dfSmajd@mellanox.com if (err) 43416d2f89dfSmajd@mellanox.com return err; 43426d2f89dfSmajd@mellanox.com } 43436d2f89dfSmajd@mellanox.com 43446d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 43456d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 43466d2f89dfSmajd@mellanox.com if (err) 43476d2f89dfSmajd@mellanox.com return err; 43486d2f89dfSmajd@mellanox.com } 43496d2f89dfSmajd@mellanox.com 43506d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 43516d2f89dfSmajd@mellanox.com raw_packet_qp_state); 43526d2f89dfSmajd@mellanox.com } 43536d2f89dfSmajd@mellanox.com 43546d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 43556d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 43566d2f89dfSmajd@mellanox.com { 435709a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4358e126ba97SEli Cohen struct mlx5_qp_context *context; 4359e126ba97SEli Cohen int mlx5_state; 436009a7d9ecSSaeed Mahameed u32 *outb; 4361e126ba97SEli Cohen int err = 0; 4362e126ba97SEli Cohen 436309a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 43646d2f89dfSmajd@mellanox.com if (!outb) 43656d2f89dfSmajd@mellanox.com return -ENOMEM; 43666d2f89dfSmajd@mellanox.com 436719098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 436809a7d9ecSSaeed Mahameed outlen); 4369e126ba97SEli Cohen if (err) 43706d2f89dfSmajd@mellanox.com goto out; 4371e126ba97SEli Cohen 437209a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 437309a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 437409a7d9ecSSaeed Mahameed 4375e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4376e126ba97SEli Cohen 4377e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4378e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4379e126ba97SEli Cohen qp_attr->path_mig_state = 4380e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4381e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4382e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4383e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4384e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4385e126ba97SEli Cohen qp_attr->qp_access_flags = 4386e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4387e126ba97SEli Cohen 4388e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 4389e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 4390e126ba97SEli Cohen to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4391d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4392d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4393e126ba97SEli Cohen qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; 4394e126ba97SEli Cohen } 4395e126ba97SEli Cohen 4396d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4397e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4398e126ba97SEli Cohen 4399e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4400e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4401e126ba97SEli Cohen 4402e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4403e126ba97SEli Cohen 4404e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4405e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4406e126ba97SEli Cohen qp_attr->min_rnr_timer = 4407e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4408e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4409e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4410e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4411e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 44126d2f89dfSmajd@mellanox.com 44136d2f89dfSmajd@mellanox.com out: 44146d2f89dfSmajd@mellanox.com kfree(outb); 44156d2f89dfSmajd@mellanox.com return err; 44166d2f89dfSmajd@mellanox.com } 44176d2f89dfSmajd@mellanox.com 44186d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 44196d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 44206d2f89dfSmajd@mellanox.com { 44216d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 44226d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 44236d2f89dfSmajd@mellanox.com int err = 0; 44246d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 44256d2f89dfSmajd@mellanox.com 442628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 442728d61370SYishai Hadas return -ENOSYS; 442828d61370SYishai Hadas 4429d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4430d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4431d16e91daSHaggai Eran qp_init_attr); 4432d16e91daSHaggai Eran 44336d2f89dfSmajd@mellanox.com #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 44346d2f89dfSmajd@mellanox.com /* 44356d2f89dfSmajd@mellanox.com * Wait for any outstanding page faults, in case the user frees memory 44366d2f89dfSmajd@mellanox.com * based upon this query's result. 44376d2f89dfSmajd@mellanox.com */ 44386d2f89dfSmajd@mellanox.com flush_workqueue(mlx5_ib_page_fault_wq); 44396d2f89dfSmajd@mellanox.com #endif 44406d2f89dfSmajd@mellanox.com 44416d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 44426d2f89dfSmajd@mellanox.com 44436d2f89dfSmajd@mellanox.com if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { 44446d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 44456d2f89dfSmajd@mellanox.com if (err) 44466d2f89dfSmajd@mellanox.com goto out; 44476d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 44486d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 44496d2f89dfSmajd@mellanox.com } else { 44506d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 44516d2f89dfSmajd@mellanox.com if (err) 44526d2f89dfSmajd@mellanox.com goto out; 44536d2f89dfSmajd@mellanox.com } 44546d2f89dfSmajd@mellanox.com 44556d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4456e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4457e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4458e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4459e126ba97SEli Cohen 4460e126ba97SEli Cohen if (!ibqp->uobject) { 44610540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4462e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 44630540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4464e126ba97SEli Cohen } else { 4465e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4466e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4467e126ba97SEli Cohen } 4468e126ba97SEli Cohen 44690540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 44700540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 44710540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 44720540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 44730540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4474e126ba97SEli Cohen 4475e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4476e126ba97SEli Cohen 4477e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4478e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4479e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4480e126ba97SEli Cohen 4481051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4482051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4483051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4484051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4485051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4486051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4487b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4488b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4489051f2630SLeon Romanovsky 4490e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4491e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4492e126ba97SEli Cohen 4493e126ba97SEli Cohen out: 4494e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4495e126ba97SEli Cohen return err; 4496e126ba97SEli Cohen } 4497e126ba97SEli Cohen 4498e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4499e126ba97SEli Cohen struct ib_ucontext *context, 4500e126ba97SEli Cohen struct ib_udata *udata) 4501e126ba97SEli Cohen { 4502e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4503e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4504e126ba97SEli Cohen int err; 4505e126ba97SEli Cohen 4506938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4507e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4508e126ba97SEli Cohen 4509e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4510e126ba97SEli Cohen if (!xrcd) 4511e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4512e126ba97SEli Cohen 45139603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4514e126ba97SEli Cohen if (err) { 4515e126ba97SEli Cohen kfree(xrcd); 4516e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4517e126ba97SEli Cohen } 4518e126ba97SEli Cohen 4519e126ba97SEli Cohen return &xrcd->ibxrcd; 4520e126ba97SEli Cohen } 4521e126ba97SEli Cohen 4522e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4523e126ba97SEli Cohen { 4524e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4525e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4526e126ba97SEli Cohen int err; 4527e126ba97SEli Cohen 45289603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4529e126ba97SEli Cohen if (err) { 4530e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4531e126ba97SEli Cohen return err; 4532e126ba97SEli Cohen } 4533e126ba97SEli Cohen 4534e126ba97SEli Cohen kfree(xrcd); 4535e126ba97SEli Cohen 4536e126ba97SEli Cohen return 0; 4537e126ba97SEli Cohen } 453879b20a6cSYishai Hadas 453979b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 454079b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 454179b20a6cSYishai Hadas { 454279b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 454379b20a6cSYishai Hadas __be64 *rq_pas0; 454479b20a6cSYishai Hadas void *in; 454579b20a6cSYishai Hadas void *rqc; 454679b20a6cSYishai Hadas void *wq; 454779b20a6cSYishai Hadas int inlen; 454879b20a6cSYishai Hadas int err; 454979b20a6cSYishai Hadas 455079b20a6cSYishai Hadas dev = to_mdev(pd->device); 455179b20a6cSYishai Hadas 455279b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 455379b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 455479b20a6cSYishai Hadas if (!in) 455579b20a6cSYishai Hadas return -ENOMEM; 455679b20a6cSYishai Hadas 455779b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 455879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 455979b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 456079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 456179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 456279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 456379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 456479b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 456579b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 456679b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 456779b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 456879b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 456979b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 457079b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 457179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 457279b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 457379b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 457479b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 457579b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 457679b20a6cSYishai Hadas err = mlx5_core_create_rq(dev->mdev, in, inlen, &rwq->rqn); 457779b20a6cSYishai Hadas kvfree(in); 457879b20a6cSYishai Hadas return err; 457979b20a6cSYishai Hadas } 458079b20a6cSYishai Hadas 458179b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 458279b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 458379b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 458479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 458579b20a6cSYishai Hadas { 458679b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 458779b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 458879b20a6cSYishai Hadas return -EINVAL; 458979b20a6cSYishai Hadas 459079b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 459179b20a6cSYishai Hadas return -EINVAL; 459279b20a6cSYishai Hadas 459379b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 459479b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 459579b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 459679b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 459779b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 459879b20a6cSYishai Hadas return 0; 459979b20a6cSYishai Hadas } 460079b20a6cSYishai Hadas 460179b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 460279b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 460379b20a6cSYishai Hadas struct ib_udata *udata, 460479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 460579b20a6cSYishai Hadas { 460679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 460779b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 460879b20a6cSYishai Hadas int err; 460979b20a6cSYishai Hadas size_t required_cmd_sz; 461079b20a6cSYishai Hadas 461179b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 461279b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 461379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 461479b20a6cSYishai Hadas return -EINVAL; 461579b20a6cSYishai Hadas } 461679b20a6cSYishai Hadas 461779b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 461879b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 461979b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 462079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 462179b20a6cSYishai Hadas return -EOPNOTSUPP; 462279b20a6cSYishai Hadas } 462379b20a6cSYishai Hadas 462479b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 462579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 462679b20a6cSYishai Hadas return -EFAULT; 462779b20a6cSYishai Hadas } 462879b20a6cSYishai Hadas 462979b20a6cSYishai Hadas if (ucmd.comp_mask) { 463079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 463179b20a6cSYishai Hadas return -EOPNOTSUPP; 463279b20a6cSYishai Hadas } 463379b20a6cSYishai Hadas 463479b20a6cSYishai Hadas if (ucmd.reserved) { 463579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid reserved\n"); 463679b20a6cSYishai Hadas return -EOPNOTSUPP; 463779b20a6cSYishai Hadas } 463879b20a6cSYishai Hadas 463979b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 464079b20a6cSYishai Hadas if (err) { 464179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 464279b20a6cSYishai Hadas return err; 464379b20a6cSYishai Hadas } 464479b20a6cSYishai Hadas 464579b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 464679b20a6cSYishai Hadas if (err) { 464779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 464879b20a6cSYishai Hadas if (err) 464979b20a6cSYishai Hadas return err; 465079b20a6cSYishai Hadas } 465179b20a6cSYishai Hadas 465279b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 465379b20a6cSYishai Hadas return 0; 465479b20a6cSYishai Hadas } 465579b20a6cSYishai Hadas 465679b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 465779b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 465879b20a6cSYishai Hadas struct ib_udata *udata) 465979b20a6cSYishai Hadas { 466079b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 466179b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 466279b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 466379b20a6cSYishai Hadas size_t min_resp_len; 466479b20a6cSYishai Hadas int err; 466579b20a6cSYishai Hadas 466679b20a6cSYishai Hadas if (!udata) 466779b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 466879b20a6cSYishai Hadas 466979b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 467079b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 467179b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 467279b20a6cSYishai Hadas 467379b20a6cSYishai Hadas dev = to_mdev(pd->device); 467479b20a6cSYishai Hadas switch (init_attr->wq_type) { 467579b20a6cSYishai Hadas case IB_WQT_RQ: 467679b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 467779b20a6cSYishai Hadas if (!rwq) 467879b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 467979b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 468079b20a6cSYishai Hadas if (err) 468179b20a6cSYishai Hadas goto err; 468279b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 468379b20a6cSYishai Hadas if (err) 468479b20a6cSYishai Hadas goto err_user_rq; 468579b20a6cSYishai Hadas break; 468679b20a6cSYishai Hadas default: 468779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 468879b20a6cSYishai Hadas init_attr->wq_type); 468979b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 469079b20a6cSYishai Hadas } 469179b20a6cSYishai Hadas 469279b20a6cSYishai Hadas rwq->ibwq.wq_num = rwq->rqn; 469379b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 469479b20a6cSYishai Hadas if (udata->outlen) { 469579b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 469679b20a6cSYishai Hadas sizeof(resp.response_length); 469779b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 469879b20a6cSYishai Hadas if (err) 469979b20a6cSYishai Hadas goto err_copy; 470079b20a6cSYishai Hadas } 470179b20a6cSYishai Hadas 470279b20a6cSYishai Hadas return &rwq->ibwq; 470379b20a6cSYishai Hadas 470479b20a6cSYishai Hadas err_copy: 470579b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 470679b20a6cSYishai Hadas err_user_rq: 470779b20a6cSYishai Hadas destroy_user_rq(pd, rwq); 470879b20a6cSYishai Hadas err: 470979b20a6cSYishai Hadas kfree(rwq); 471079b20a6cSYishai Hadas return ERR_PTR(err); 471179b20a6cSYishai Hadas } 471279b20a6cSYishai Hadas 471379b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 471479b20a6cSYishai Hadas { 471579b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 471679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 471779b20a6cSYishai Hadas 471879b20a6cSYishai Hadas mlx5_core_destroy_rq(dev->mdev, rwq->rqn); 471979b20a6cSYishai Hadas destroy_user_rq(wq->pd, rwq); 472079b20a6cSYishai Hadas kfree(rwq); 472179b20a6cSYishai Hadas 472279b20a6cSYishai Hadas return 0; 472379b20a6cSYishai Hadas } 472479b20a6cSYishai Hadas 4725c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4726c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4727c5f90929SYishai Hadas struct ib_udata *udata) 4728c5f90929SYishai Hadas { 4729c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 4730c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 4731c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 4732c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 4733c5f90929SYishai Hadas size_t min_resp_len; 4734c5f90929SYishai Hadas int inlen; 4735c5f90929SYishai Hadas int err; 4736c5f90929SYishai Hadas int i; 4737c5f90929SYishai Hadas u32 *in; 4738c5f90929SYishai Hadas void *rqtc; 4739c5f90929SYishai Hadas 4740c5f90929SYishai Hadas if (udata->inlen > 0 && 4741c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 4742c5f90929SYishai Hadas udata->inlen)) 4743c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 4744c5f90929SYishai Hadas 4745c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 4746c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 4747c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 4748c5f90929SYishai Hadas 4749c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 4750c5f90929SYishai Hadas if (!rwq_ind_tbl) 4751c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 4752c5f90929SYishai Hadas 4753c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4754c5f90929SYishai Hadas in = mlx5_vzalloc(inlen); 4755c5f90929SYishai Hadas if (!in) { 4756c5f90929SYishai Hadas err = -ENOMEM; 4757c5f90929SYishai Hadas goto err; 4758c5f90929SYishai Hadas } 4759c5f90929SYishai Hadas 4760c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4761c5f90929SYishai Hadas 4762c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4763c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4764c5f90929SYishai Hadas 4765c5f90929SYishai Hadas for (i = 0; i < sz; i++) 4766c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 4767c5f90929SYishai Hadas 4768c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 4769c5f90929SYishai Hadas kvfree(in); 4770c5f90929SYishai Hadas 4771c5f90929SYishai Hadas if (err) 4772c5f90929SYishai Hadas goto err; 4773c5f90929SYishai Hadas 4774c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 4775c5f90929SYishai Hadas if (udata->outlen) { 4776c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 4777c5f90929SYishai Hadas sizeof(resp.response_length); 4778c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 4779c5f90929SYishai Hadas if (err) 4780c5f90929SYishai Hadas goto err_copy; 4781c5f90929SYishai Hadas } 4782c5f90929SYishai Hadas 4783c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 4784c5f90929SYishai Hadas 4785c5f90929SYishai Hadas err_copy: 4786c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4787c5f90929SYishai Hadas err: 4788c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4789c5f90929SYishai Hadas return ERR_PTR(err); 4790c5f90929SYishai Hadas } 4791c5f90929SYishai Hadas 4792c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 4793c5f90929SYishai Hadas { 4794c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 4795c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 4796c5f90929SYishai Hadas 4797c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 4798c5f90929SYishai Hadas 4799c5f90929SYishai Hadas kfree(rwq_ind_tbl); 4800c5f90929SYishai Hadas return 0; 4801c5f90929SYishai Hadas } 4802c5f90929SYishai Hadas 480379b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 480479b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 480579b20a6cSYishai Hadas { 480679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 480779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 480879b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 480979b20a6cSYishai Hadas size_t required_cmd_sz; 481079b20a6cSYishai Hadas int curr_wq_state; 481179b20a6cSYishai Hadas int wq_state; 481279b20a6cSYishai Hadas int inlen; 481379b20a6cSYishai Hadas int err; 481479b20a6cSYishai Hadas void *rqc; 481579b20a6cSYishai Hadas void *in; 481679b20a6cSYishai Hadas 481779b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 481879b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 481979b20a6cSYishai Hadas return -EINVAL; 482079b20a6cSYishai Hadas 482179b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 482279b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 482379b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 482479b20a6cSYishai Hadas return -EOPNOTSUPP; 482579b20a6cSYishai Hadas 482679b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 482779b20a6cSYishai Hadas return -EFAULT; 482879b20a6cSYishai Hadas 482979b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 483079b20a6cSYishai Hadas return -EOPNOTSUPP; 483179b20a6cSYishai Hadas 483279b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 483379b20a6cSYishai Hadas in = mlx5_vzalloc(inlen); 483479b20a6cSYishai Hadas if (!in) 483579b20a6cSYishai Hadas return -ENOMEM; 483679b20a6cSYishai Hadas 483779b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 483879b20a6cSYishai Hadas 483979b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 484079b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 484179b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 484279b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 484379b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 484479b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 484579b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 484679b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 484779b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 484879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 484979b20a6cSYishai Hadas 485079b20a6cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->rqn, in, inlen); 485179b20a6cSYishai Hadas kvfree(in); 485279b20a6cSYishai Hadas if (!err) 485379b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 485479b20a6cSYishai Hadas 485579b20a6cSYishai Hadas return err; 485679b20a6cSYishai Hadas } 4857