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> 37c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 38e126ba97SEli Cohen #include "mlx5_ib.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 }; 57e126ba97SEli Cohen 58e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 59e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 60f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 61e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 62e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 63e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 64e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 65e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 66e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 67e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 68e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 698a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 70e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 71e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 72e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 73e126ba97SEli Cohen }; 74e126ba97SEli Cohen 75f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 76f0313965SErez Shitrit u8 rsvd0[16]; 77f0313965SErez Shitrit }; 78e126ba97SEli Cohen 79eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 80eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 817d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 82eb49ab0cSAlex Vesker }; 83eb49ab0cSAlex Vesker 840680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 850680efa2SAlex Vesker u16 operation; 86eb49ab0cSAlex Vesker 87eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 887d29f349SBodong Wang u32 rate_limit; 89eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 900680efa2SAlex Vesker }; 910680efa2SAlex Vesker 9289ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9389ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 9489ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 9589ea94a7SMaor Gottlieb 96e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 97e126ba97SEli Cohen { 98e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 99e126ba97SEli Cohen } 100e126ba97SEli Cohen 101e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 102e126ba97SEli Cohen { 103e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 104e126ba97SEli Cohen } 105e126ba97SEli Cohen 106e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 107e126ba97SEli Cohen { 108e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 109e126ba97SEli Cohen } 110e126ba97SEli Cohen 111e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 112e126ba97SEli Cohen { 113e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 114e126ba97SEli Cohen } 115e126ba97SEli Cohen 116e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 117e126ba97SEli Cohen { 118e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 119e126ba97SEli Cohen } 120e126ba97SEli Cohen 121c1395a2aSHaggai Eran /** 122c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 123c1395a2aSHaggai Eran * 124c1395a2aSHaggai Eran * @qp: QP to copy from. 125c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 126c1395a2aSHaggai Eran * otherwise. 127c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 128c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 129c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 130c1395a2aSHaggai Eran * element in the queue. 131c1395a2aSHaggai Eran * @buffer: destination buffer. 132c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 133c1395a2aSHaggai Eran * 134c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 135c1395a2aSHaggai Eran * 136c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 137c1395a2aSHaggai Eran */ 138c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 13919098df2Smajd@mellanox.com void *buffer, u32 length, 14019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 141c1395a2aSHaggai Eran { 142c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 143c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 144c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 145c1395a2aSHaggai Eran size_t offset; 146c1395a2aSHaggai Eran size_t wq_end; 14719098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 148c1395a2aSHaggai Eran u32 first_copy_length; 149c1395a2aSHaggai Eran int wqe_length; 150c1395a2aSHaggai Eran int ret; 151c1395a2aSHaggai Eran 152c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 153c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 154c1395a2aSHaggai Eran qp->ibqp.qp_type); 155c1395a2aSHaggai Eran return -EINVAL; 156c1395a2aSHaggai Eran } 157c1395a2aSHaggai Eran 158c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 159c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 160c1395a2aSHaggai Eran 161c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 162c1395a2aSHaggai Eran return -EINVAL; 163c1395a2aSHaggai Eran 164c1395a2aSHaggai Eran if (offset > umem->length || 165c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 166c1395a2aSHaggai Eran return -EINVAL; 167c1395a2aSHaggai Eran 168c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 169c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 170c1395a2aSHaggai Eran if (ret) 171c1395a2aSHaggai Eran return ret; 172c1395a2aSHaggai Eran 173c1395a2aSHaggai Eran if (send) { 174c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 175c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 176c1395a2aSHaggai Eran 177c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 178c1395a2aSHaggai Eran } else { 179c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 180c1395a2aSHaggai Eran } 181c1395a2aSHaggai Eran 182c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 183c1395a2aSHaggai Eran return first_copy_length; 184c1395a2aSHaggai Eran 185c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 186c1395a2aSHaggai Eran wqe_length - first_copy_length); 187c1395a2aSHaggai Eran if (ret) 188c1395a2aSHaggai Eran return ret; 189c1395a2aSHaggai Eran 190c1395a2aSHaggai Eran return wqe_length; 191c1395a2aSHaggai Eran } 192c1395a2aSHaggai Eran 193e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 194e126ba97SEli Cohen { 195e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 196e126ba97SEli Cohen struct ib_event event; 197e126ba97SEli Cohen 19819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 19919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 20019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 20119098df2Smajd@mellanox.com } 202e126ba97SEli Cohen 203e126ba97SEli Cohen if (ibqp->event_handler) { 204e126ba97SEli Cohen event.device = ibqp->device; 205e126ba97SEli Cohen event.element.qp = ibqp; 206e126ba97SEli Cohen switch (type) { 207e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 208e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 209e126ba97SEli Cohen break; 210e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 211e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 212e126ba97SEli Cohen break; 213e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 214e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 215e126ba97SEli Cohen break; 216e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 217e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 218e126ba97SEli Cohen break; 219e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 220e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 221e126ba97SEli Cohen break; 222e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 223e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 224e126ba97SEli Cohen break; 225e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 226e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 227e126ba97SEli Cohen break; 228e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 229e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 230e126ba97SEli Cohen break; 231e126ba97SEli Cohen default: 232e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 233e126ba97SEli Cohen return; 234e126ba97SEli Cohen } 235e126ba97SEli Cohen 236e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 237e126ba97SEli Cohen } 238e126ba97SEli Cohen } 239e126ba97SEli Cohen 240e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 241e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 242e126ba97SEli Cohen { 243e126ba97SEli Cohen int wqe_size; 244e126ba97SEli Cohen int wq_size; 245e126ba97SEli Cohen 246e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 247938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 248e126ba97SEli Cohen return -EINVAL; 249e126ba97SEli Cohen 250e126ba97SEli Cohen if (!has_rq) { 251e126ba97SEli Cohen qp->rq.max_gs = 0; 252e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 253e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2540540d814SNoa Osherovich cap->max_recv_wr = 0; 2550540d814SNoa Osherovich cap->max_recv_sge = 0; 256e126ba97SEli Cohen } else { 257e126ba97SEli Cohen if (ucmd) { 258e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 259e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 260e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 261e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 262e126ba97SEli Cohen } else { 263e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 264e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 265e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 266e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 267e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 268e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 269938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 270e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 271e126ba97SEli Cohen wqe_size, 272938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 273938fe83cSSaeed Mahameed max_wqe_sz_rq)); 274e126ba97SEli Cohen return -EINVAL; 275e126ba97SEli Cohen } 276e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 277e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 278e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 279e126ba97SEli Cohen } 280e126ba97SEli Cohen } 281e126ba97SEli Cohen 282e126ba97SEli Cohen return 0; 283e126ba97SEli Cohen } 284e126ba97SEli Cohen 285f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 286e126ba97SEli Cohen { 287618af384SAndi Shyti int size = 0; 288e126ba97SEli Cohen 289f0313965SErez Shitrit switch (attr->qp_type) { 290e126ba97SEli Cohen case IB_QPT_XRC_INI: 291b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 292e126ba97SEli Cohen /* fall through */ 293e126ba97SEli Cohen case IB_QPT_RC: 294e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 29575c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 29675c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 29775c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 29875c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 299e126ba97SEli Cohen break; 300e126ba97SEli Cohen 301b125a54bSEli Cohen case IB_QPT_XRC_TGT: 302b125a54bSEli Cohen return 0; 303b125a54bSEli Cohen 304e126ba97SEli Cohen case IB_QPT_UC: 305b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 30675c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 3079e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 30875c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 309e126ba97SEli Cohen break; 310e126ba97SEli Cohen 311e126ba97SEli Cohen case IB_QPT_UD: 312f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 313f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 314f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 315f0313965SErez Shitrit /* fall through */ 316e126ba97SEli Cohen case IB_QPT_SMI: 317d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 318b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 319e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen 322e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 323b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 324e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 325e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 326e126ba97SEli Cohen break; 327e126ba97SEli Cohen 328e126ba97SEli Cohen default: 329e126ba97SEli Cohen return -EINVAL; 330e126ba97SEli Cohen } 331e126ba97SEli Cohen 332e126ba97SEli Cohen return size; 333e126ba97SEli Cohen } 334e126ba97SEli Cohen 335e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 336e126ba97SEli Cohen { 337e126ba97SEli Cohen int inl_size = 0; 338e126ba97SEli Cohen int size; 339e126ba97SEli Cohen 340f0313965SErez Shitrit size = sq_overhead(attr); 341e126ba97SEli Cohen if (size < 0) 342e126ba97SEli Cohen return size; 343e126ba97SEli Cohen 344e126ba97SEli Cohen if (attr->cap.max_inline_data) { 345e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 346e126ba97SEli Cohen attr->cap.max_inline_data; 347e126ba97SEli Cohen } 348e126ba97SEli Cohen 349e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 350e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 351e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 352e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 353e1e66cc2SSagi Grimberg else 354e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 355e126ba97SEli Cohen } 356e126ba97SEli Cohen 357288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 358288c01b7SEli Cohen { 359288c01b7SEli Cohen int max_sge; 360288c01b7SEli Cohen 361288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 362288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 363288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 364288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 365288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 366288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 367288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 368288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 369288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 370288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 371288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 372288c01b7SEli Cohen else 373288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 374288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 375288c01b7SEli Cohen 376288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 377288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 378288c01b7SEli Cohen } 379288c01b7SEli Cohen 380e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 381e126ba97SEli Cohen struct mlx5_ib_qp *qp) 382e126ba97SEli Cohen { 383e126ba97SEli Cohen int wqe_size; 384e126ba97SEli Cohen int wq_size; 385e126ba97SEli Cohen 386e126ba97SEli Cohen if (!attr->cap.max_send_wr) 387e126ba97SEli Cohen return 0; 388e126ba97SEli Cohen 389e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 390e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 391e126ba97SEli Cohen if (wqe_size < 0) 392e126ba97SEli Cohen return wqe_size; 393e126ba97SEli Cohen 394938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 395b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 396938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 397e126ba97SEli Cohen return -EINVAL; 398e126ba97SEli Cohen } 399e126ba97SEli Cohen 400f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 401e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 402e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 403e126ba97SEli Cohen 404e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 405e1e66cc2SSagi Grimberg qp->signature_en = true; 406e1e66cc2SSagi Grimberg 407e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 408e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 409938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 4101974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 4111974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 412938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 413938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 414b125a54bSEli Cohen return -ENOMEM; 415b125a54bSEli Cohen } 416e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 417288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 418288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 419288c01b7SEli Cohen return -ENOMEM; 420288c01b7SEli Cohen 421288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 422b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 423b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 424e126ba97SEli Cohen 425e126ba97SEli Cohen return wq_size; 426e126ba97SEli Cohen } 427e126ba97SEli Cohen 428e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 429e126ba97SEli Cohen struct mlx5_ib_qp *qp, 43019098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 4310fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 4320fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 433e126ba97SEli Cohen { 434e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 435e126ba97SEli Cohen 436938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 437e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 438938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 439e126ba97SEli Cohen return -EINVAL; 440e126ba97SEli Cohen } 441e126ba97SEli Cohen 442e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 443e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 444e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 445e126ba97SEli Cohen return -EINVAL; 446e126ba97SEli Cohen } 447e126ba97SEli Cohen 448e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 449e126ba97SEli Cohen 450938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 451e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 452938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 453938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 454e126ba97SEli Cohen return -EINVAL; 455e126ba97SEli Cohen } 456e126ba97SEli Cohen 457c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 458c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 4590fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4600fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4610fb2ed66Smajd@mellanox.com } else { 46219098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 463e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4640fb2ed66Smajd@mellanox.com } 465e126ba97SEli Cohen 466e126ba97SEli Cohen return 0; 467e126ba97SEli Cohen } 468e126ba97SEli Cohen 469e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 470e126ba97SEli Cohen { 471e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 472e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 473e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 474e126ba97SEli Cohen !attr->cap.max_recv_wr) 475e126ba97SEli Cohen return 0; 476e126ba97SEli Cohen 477e126ba97SEli Cohen return 1; 478e126ba97SEli Cohen } 479e126ba97SEli Cohen 4802f5ff264SEli Cohen static int first_med_bfreg(void) 481c1be5232SEli Cohen { 482c1be5232SEli Cohen return 1; 483c1be5232SEli Cohen } 484c1be5232SEli Cohen 4850b80c14fSEli Cohen enum { 4860b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 4870b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 4880b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 4890b80c14fSEli Cohen * "odd/even" order 4900b80c14fSEli Cohen */ 4910b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 4920b80c14fSEli Cohen }; 4930b80c14fSEli Cohen 494b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 495b037c29aSEli Cohen { 496b037c29aSEli Cohen return get_num_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 497b037c29aSEli Cohen } 498b037c29aSEli Cohen 499b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 500b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 501c1be5232SEli Cohen { 502c1be5232SEli Cohen int n; 503c1be5232SEli Cohen 504b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 505b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 506c1be5232SEli Cohen 507c1be5232SEli Cohen return n >= 0 ? n : 0; 508c1be5232SEli Cohen } 509c1be5232SEli Cohen 510b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 511b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 512c1be5232SEli Cohen { 513c1be5232SEli Cohen int med; 514c1be5232SEli Cohen 515b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 516b037c29aSEli Cohen return ++med; 517c1be5232SEli Cohen } 518c1be5232SEli Cohen 519b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 520b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 521e126ba97SEli Cohen { 522e126ba97SEli Cohen int i; 523e126ba97SEli Cohen 524b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 525b037c29aSEli Cohen if (!bfregi->count[i]) { 5262f5ff264SEli Cohen bfregi->count[i]++; 527e126ba97SEli Cohen return i; 528e126ba97SEli Cohen } 529e126ba97SEli Cohen } 530e126ba97SEli Cohen 531e126ba97SEli Cohen return -ENOMEM; 532e126ba97SEli Cohen } 533e126ba97SEli Cohen 534b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 535b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 536e126ba97SEli Cohen { 5372f5ff264SEli Cohen int minidx = first_med_bfreg(); 538e126ba97SEli Cohen int i; 539e126ba97SEli Cohen 540b037c29aSEli Cohen for (i = first_med_bfreg(); i < first_hi_bfreg(dev, bfregi); i++) { 5412f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 542e126ba97SEli Cohen minidx = i; 5430b80c14fSEli Cohen if (!bfregi->count[minidx]) 5440b80c14fSEli Cohen break; 545e126ba97SEli Cohen } 546e126ba97SEli Cohen 5472f5ff264SEli Cohen bfregi->count[minidx]++; 548e126ba97SEli Cohen return minidx; 549e126ba97SEli Cohen } 550e126ba97SEli Cohen 551b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 552b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, 553e126ba97SEli Cohen enum mlx5_ib_latency_class lat) 554e126ba97SEli Cohen { 5552f5ff264SEli Cohen int bfregn = -EINVAL; 556e126ba97SEli Cohen 5572f5ff264SEli Cohen mutex_lock(&bfregi->lock); 558e126ba97SEli Cohen switch (lat) { 559e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_LOW: 5600b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 5612f5ff264SEli Cohen bfregn = 0; 5622f5ff264SEli Cohen bfregi->count[bfregn]++; 563e126ba97SEli Cohen break; 564e126ba97SEli Cohen 565e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_MEDIUM: 5662f5ff264SEli Cohen if (bfregi->ver < 2) 5672f5ff264SEli Cohen bfregn = -ENOMEM; 56878c0f98cSEli Cohen else 569b037c29aSEli Cohen bfregn = alloc_med_class_bfreg(dev, bfregi); 570e126ba97SEli Cohen break; 571e126ba97SEli Cohen 572e126ba97SEli Cohen case MLX5_IB_LATENCY_CLASS_HIGH: 5732f5ff264SEli Cohen if (bfregi->ver < 2) 5742f5ff264SEli Cohen bfregn = -ENOMEM; 57578c0f98cSEli Cohen else 576b037c29aSEli Cohen bfregn = alloc_high_class_bfreg(dev, bfregi); 577e126ba97SEli Cohen break; 578e126ba97SEli Cohen } 5792f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 580e126ba97SEli Cohen 5812f5ff264SEli Cohen return bfregn; 582e126ba97SEli Cohen } 583e126ba97SEli Cohen 584b037c29aSEli Cohen static void free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 585e126ba97SEli Cohen { 5862f5ff264SEli Cohen mutex_lock(&bfregi->lock); 587b037c29aSEli Cohen bfregi->count[bfregn]--; 5882f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 589e126ba97SEli Cohen } 590e126ba97SEli Cohen 591e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 592e126ba97SEli Cohen { 593e126ba97SEli Cohen switch (state) { 594e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 595e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 596e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 597e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 598e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 599e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 600e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 601e126ba97SEli Cohen default: return -1; 602e126ba97SEli Cohen } 603e126ba97SEli Cohen } 604e126ba97SEli Cohen 605e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 606e126ba97SEli Cohen { 607e126ba97SEli Cohen switch (type) { 608e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 609e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 610e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 611e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 612e126ba97SEli Cohen case IB_QPT_XRC_INI: 613e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 614e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 615d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 616e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 617e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6180fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 619e126ba97SEli Cohen case IB_QPT_MAX: 620e126ba97SEli Cohen default: return -EINVAL; 621e126ba97SEli Cohen } 622e126ba97SEli Cohen } 623e126ba97SEli Cohen 62489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 62589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 62789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 62889ea94a7SMaor Gottlieb 629b037c29aSEli Cohen static int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 630b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 631e126ba97SEli Cohen { 632b037c29aSEli Cohen int bfregs_per_sys_page; 633b037c29aSEli Cohen int index_of_sys_page; 634b037c29aSEli Cohen int offset; 635b037c29aSEli Cohen 636b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 637b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 638b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 639b037c29aSEli Cohen 640b037c29aSEli Cohen offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 641b037c29aSEli Cohen 642b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 643e126ba97SEli Cohen } 644e126ba97SEli Cohen 64519098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 64619098df2Smajd@mellanox.com struct ib_pd *pd, 64719098df2Smajd@mellanox.com unsigned long addr, size_t size, 64819098df2Smajd@mellanox.com struct ib_umem **umem, 64919098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 65019098df2Smajd@mellanox.com u32 *offset) 65119098df2Smajd@mellanox.com { 65219098df2Smajd@mellanox.com int err; 65319098df2Smajd@mellanox.com 65419098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 65519098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 65619098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 65719098df2Smajd@mellanox.com return PTR_ERR(*umem); 65819098df2Smajd@mellanox.com } 65919098df2Smajd@mellanox.com 660762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 66119098df2Smajd@mellanox.com 66219098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 66319098df2Smajd@mellanox.com if (err) { 66419098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 66519098df2Smajd@mellanox.com goto err_umem; 66619098df2Smajd@mellanox.com } 66719098df2Smajd@mellanox.com 66819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 66919098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 67019098df2Smajd@mellanox.com 67119098df2Smajd@mellanox.com return 0; 67219098df2Smajd@mellanox.com 67319098df2Smajd@mellanox.com err_umem: 67419098df2Smajd@mellanox.com ib_umem_release(*umem); 67519098df2Smajd@mellanox.com *umem = NULL; 67619098df2Smajd@mellanox.com 67719098df2Smajd@mellanox.com return err; 67819098df2Smajd@mellanox.com } 67919098df2Smajd@mellanox.com 680fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 681fe248c3aSMaor Gottlieb struct mlx5_ib_rwq *rwq) 68279b20a6cSYishai Hadas { 68379b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 68479b20a6cSYishai Hadas 685fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 686fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 687fe248c3aSMaor Gottlieb 68879b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 68979b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 69079b20a6cSYishai Hadas if (rwq->umem) 69179b20a6cSYishai Hadas ib_umem_release(rwq->umem); 69279b20a6cSYishai Hadas } 69379b20a6cSYishai Hadas 69479b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 69579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 69679b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 69779b20a6cSYishai Hadas { 69879b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 69979b20a6cSYishai Hadas int page_shift = 0; 70079b20a6cSYishai Hadas int npages; 70179b20a6cSYishai Hadas u32 offset = 0; 70279b20a6cSYishai Hadas int ncont = 0; 70379b20a6cSYishai Hadas int err; 70479b20a6cSYishai Hadas 70579b20a6cSYishai Hadas if (!ucmd->buf_addr) 70679b20a6cSYishai Hadas return -EINVAL; 70779b20a6cSYishai Hadas 70879b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 70979b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 71079b20a6cSYishai Hadas rwq->buf_size, 0, 0); 71179b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 71279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 71379b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 71479b20a6cSYishai Hadas return err; 71579b20a6cSYishai Hadas } 71679b20a6cSYishai Hadas 717762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 71879b20a6cSYishai Hadas &ncont, NULL); 71979b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 72079b20a6cSYishai Hadas &rwq->rq_page_offset); 72179b20a6cSYishai Hadas if (err) { 72279b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 72379b20a6cSYishai Hadas goto err_umem; 72479b20a6cSYishai Hadas } 72579b20a6cSYishai Hadas 72679b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 72779b20a6cSYishai Hadas rwq->page_shift = page_shift; 72879b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 72979b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 73079b20a6cSYishai Hadas 73179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 73279b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 73379b20a6cSYishai Hadas npages, page_shift, ncont, offset); 73479b20a6cSYishai Hadas 73579b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 73679b20a6cSYishai Hadas if (err) { 73779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 73879b20a6cSYishai Hadas goto err_umem; 73979b20a6cSYishai Hadas } 74079b20a6cSYishai Hadas 74179b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 74279b20a6cSYishai Hadas return 0; 74379b20a6cSYishai Hadas 74479b20a6cSYishai Hadas err_umem: 74579b20a6cSYishai Hadas ib_umem_release(rwq->umem); 74679b20a6cSYishai Hadas return err; 74779b20a6cSYishai Hadas } 74879b20a6cSYishai Hadas 749b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 750b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 751b037c29aSEli Cohen { 752b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 753b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 754b037c29aSEli Cohen } 755b037c29aSEli Cohen 756e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 757e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7580fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 75909a7d9ecSSaeed Mahameed u32 **in, 76019098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 76119098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 762e126ba97SEli Cohen { 763e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 764e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 76519098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7669e9c47d0SEli Cohen int page_shift = 0; 767e126ba97SEli Cohen int uar_index; 768e126ba97SEli Cohen int npages; 7699e9c47d0SEli Cohen u32 offset = 0; 7702f5ff264SEli Cohen int bfregn; 7719e9c47d0SEli Cohen int ncont = 0; 77209a7d9ecSSaeed Mahameed __be64 *pas; 77309a7d9ecSSaeed Mahameed void *qpc; 774e126ba97SEli Cohen int err; 775e126ba97SEli Cohen 776e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 777e126ba97SEli Cohen if (err) { 778e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 779e126ba97SEli Cohen return err; 780e126ba97SEli Cohen } 781e126ba97SEli Cohen 782e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 783e126ba97SEli Cohen /* 784e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 785e126ba97SEli Cohen */ 786051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 787051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 7882f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 789051f2630SLeon Romanovsky else { 790b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_HIGH); 7912f5ff264SEli Cohen if (bfregn < 0) { 7922f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate low latency BFREG\n"); 793c1be5232SEli Cohen mlx5_ib_dbg(dev, "reverting to medium latency\n"); 794b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_MEDIUM); 7952f5ff264SEli Cohen if (bfregn < 0) { 7962f5ff264SEli Cohen mlx5_ib_dbg(dev, "failed to allocate medium latency BFREG\n"); 797e126ba97SEli Cohen mlx5_ib_dbg(dev, "reverting to high latency\n"); 798b037c29aSEli Cohen bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_LOW); 7992f5ff264SEli Cohen if (bfregn < 0) { 8002f5ff264SEli Cohen mlx5_ib_warn(dev, "bfreg allocation failed\n"); 8012f5ff264SEli Cohen return bfregn; 802e126ba97SEli Cohen } 803e126ba97SEli Cohen } 804c1be5232SEli Cohen } 805051f2630SLeon Romanovsky } 806e126ba97SEli Cohen 807b037c29aSEli Cohen uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn); 8082f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 809e126ba97SEli Cohen 81048fea837SHaggai Eran qp->rq.offset = 0; 81148fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 81248fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 81348fea837SHaggai Eran 8140fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 815e126ba97SEli Cohen if (err) 8162f5ff264SEli Cohen goto err_bfreg; 817e126ba97SEli Cohen 81819098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 81919098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 82019098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 82119098df2Smajd@mellanox.com ubuffer->buf_size, 82219098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 82319098df2Smajd@mellanox.com &ncont, &offset); 82419098df2Smajd@mellanox.com if (err) 8252f5ff264SEli Cohen goto err_bfreg; 8269e9c47d0SEli Cohen } else { 82719098df2Smajd@mellanox.com ubuffer->umem = NULL; 8289e9c47d0SEli Cohen } 829e126ba97SEli Cohen 83009a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 83109a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 8321b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 833e126ba97SEli Cohen if (!*in) { 834e126ba97SEli Cohen err = -ENOMEM; 835e126ba97SEli Cohen goto err_umem; 836e126ba97SEli Cohen } 837e126ba97SEli Cohen 83809a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 83909a7d9ecSSaeed Mahameed if (ubuffer->umem) 84009a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 84109a7d9ecSSaeed Mahameed 84209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 84309a7d9ecSSaeed Mahameed 84409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 84509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 84609a7d9ecSSaeed Mahameed 84709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 848b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 8492f5ff264SEli Cohen qp->bfregn = bfregn; 850e126ba97SEli Cohen 851e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 852e126ba97SEli Cohen if (err) { 853e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 854e126ba97SEli Cohen goto err_free; 855e126ba97SEli Cohen } 856e126ba97SEli Cohen 857e126ba97SEli Cohen err = ib_copy_to_udata(udata, resp, sizeof(*resp)); 858e126ba97SEli Cohen if (err) { 859e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 860e126ba97SEli Cohen goto err_unmap; 861e126ba97SEli Cohen } 862e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 863e126ba97SEli Cohen 864e126ba97SEli Cohen return 0; 865e126ba97SEli Cohen 866e126ba97SEli Cohen err_unmap: 867e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 868e126ba97SEli Cohen 869e126ba97SEli Cohen err_free: 870479163f4SAl Viro kvfree(*in); 871e126ba97SEli Cohen 872e126ba97SEli Cohen err_umem: 87319098df2Smajd@mellanox.com if (ubuffer->umem) 87419098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 875e126ba97SEli Cohen 8762f5ff264SEli Cohen err_bfreg: 877b037c29aSEli Cohen free_bfreg(dev, &context->bfregi, bfregn); 878e126ba97SEli Cohen return err; 879e126ba97SEli Cohen } 880e126ba97SEli Cohen 881b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 882b037c29aSEli Cohen struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) 883e126ba97SEli Cohen { 884e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 885e126ba97SEli Cohen 886e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 887e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 88819098df2Smajd@mellanox.com if (base->ubuffer.umem) 88919098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 890b037c29aSEli Cohen free_bfreg(dev, &context->bfregi, qp->bfregn); 891e126ba97SEli Cohen } 892e126ba97SEli Cohen 893e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 894e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 895e126ba97SEli Cohen struct mlx5_ib_qp *qp, 89609a7d9ecSSaeed Mahameed u32 **in, int *inlen, 89719098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 898e126ba97SEli Cohen { 899e126ba97SEli Cohen int uar_index; 90009a7d9ecSSaeed Mahameed void *qpc; 901e126ba97SEli Cohen int err; 902e126ba97SEli Cohen 903f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 904f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 905b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 90693d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 907b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9081a4c3a3dSEli Cohen return -EINVAL; 909e126ba97SEli Cohen 910e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 9115fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 9125fe9dec0SEli Cohen else 9135fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 914e126ba97SEli Cohen 915d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 916d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 917d8030b0dSEli Cohen */ 918d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 9195fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 920e126ba97SEli Cohen 921e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 922e126ba97SEli Cohen if (err < 0) { 923e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9245fe9dec0SEli Cohen return err; 925e126ba97SEli Cohen } 926e126ba97SEli Cohen 927e126ba97SEli Cohen qp->rq.offset = 0; 928e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 92919098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 930e126ba97SEli Cohen 93119098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 932e126ba97SEli Cohen if (err) { 933e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9345fe9dec0SEli Cohen return err; 935e126ba97SEli Cohen } 936e126ba97SEli Cohen 937e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 93809a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 93909a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 9401b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 941e126ba97SEli Cohen if (!*in) { 942e126ba97SEli Cohen err = -ENOMEM; 943e126ba97SEli Cohen goto err_buf; 944e126ba97SEli Cohen } 94509a7d9ecSSaeed Mahameed 94609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 94709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 94809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 94909a7d9ecSSaeed Mahameed 950e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 95109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 95209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 953e126ba97SEli Cohen 954b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 95509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 956b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 957b11a4f9cSHaggai Eran } 958b11a4f9cSHaggai Eran 95909a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 96009a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 961e126ba97SEli Cohen 9629603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 963e126ba97SEli Cohen if (err) { 964e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 965e126ba97SEli Cohen goto err_free; 966e126ba97SEli Cohen } 967e126ba97SEli Cohen 968b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 969b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 970b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 971b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 972b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 973b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 974b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 975b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 976b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 977b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 978e126ba97SEli Cohen 979e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 980e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 981e126ba97SEli Cohen err = -ENOMEM; 982e126ba97SEli Cohen goto err_wrid; 983e126ba97SEli Cohen } 984e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 985e126ba97SEli Cohen 986e126ba97SEli Cohen return 0; 987e126ba97SEli Cohen 988e126ba97SEli Cohen err_wrid: 989b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 990b5883008SLi Dongyang kvfree(qp->sq.w_list); 991b5883008SLi Dongyang kvfree(qp->sq.wrid); 992b5883008SLi Dongyang kvfree(qp->sq.wr_data); 993b5883008SLi Dongyang kvfree(qp->rq.wrid); 994f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 995e126ba97SEli Cohen 996e126ba97SEli Cohen err_free: 997479163f4SAl Viro kvfree(*in); 998e126ba97SEli Cohen 999e126ba97SEli Cohen err_buf: 10009603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1001e126ba97SEli Cohen return err; 1002e126ba97SEli Cohen } 1003e126ba97SEli Cohen 1004e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1005e126ba97SEli Cohen { 1006b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1007b5883008SLi Dongyang kvfree(qp->sq.w_list); 1008b5883008SLi Dongyang kvfree(qp->sq.wrid); 1009b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1010b5883008SLi Dongyang kvfree(qp->rq.wrid); 1011f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 10129603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1013e126ba97SEli Cohen } 1014e126ba97SEli Cohen 101509a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1016e126ba97SEli Cohen { 1017e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1018e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 101909a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1020e126ba97SEli Cohen else if (!qp->has_rq) 102109a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1022e126ba97SEli Cohen else 102309a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1024e126ba97SEli Cohen } 1025e126ba97SEli Cohen 1026e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1027e126ba97SEli Cohen { 1028e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1029e126ba97SEli Cohen return 1; 1030e126ba97SEli Cohen 1031e126ba97SEli Cohen return 0; 1032e126ba97SEli Cohen } 1033e126ba97SEli Cohen 10340fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1035c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 10360fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10370fb2ed66Smajd@mellanox.com { 1038c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10390fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10400fb2ed66Smajd@mellanox.com 10410fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1042c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1043c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1044c2e53b2cSYishai Hadas 10450fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10460fb2ed66Smajd@mellanox.com } 10470fb2ed66Smajd@mellanox.com 10480fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10490fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10500fb2ed66Smajd@mellanox.com { 10510fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10520fb2ed66Smajd@mellanox.com } 10530fb2ed66Smajd@mellanox.com 10540fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10550fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10560fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10570fb2ed66Smajd@mellanox.com { 10580fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10590fb2ed66Smajd@mellanox.com __be64 *pas; 10600fb2ed66Smajd@mellanox.com void *in; 10610fb2ed66Smajd@mellanox.com void *sqc; 10620fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10630fb2ed66Smajd@mellanox.com void *wq; 10640fb2ed66Smajd@mellanox.com int inlen; 10650fb2ed66Smajd@mellanox.com int err; 10660fb2ed66Smajd@mellanox.com int page_shift = 0; 10670fb2ed66Smajd@mellanox.com int npages; 10680fb2ed66Smajd@mellanox.com int ncont = 0; 10690fb2ed66Smajd@mellanox.com u32 offset = 0; 10700fb2ed66Smajd@mellanox.com 10710fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 10720fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 10730fb2ed66Smajd@mellanox.com &ncont, &offset); 10740fb2ed66Smajd@mellanox.com if (err) 10750fb2ed66Smajd@mellanox.com return err; 10760fb2ed66Smajd@mellanox.com 10770fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 10781b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 10790fb2ed66Smajd@mellanox.com if (!in) { 10800fb2ed66Smajd@mellanox.com err = -ENOMEM; 10810fb2ed66Smajd@mellanox.com goto err_umem; 10820fb2ed66Smajd@mellanox.com } 10830fb2ed66Smajd@mellanox.com 10840fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 10850fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1086795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1087795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 10880fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 10890fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 10900fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 10910fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 10920fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 109396dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 109496dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 109596dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 10960fb2ed66Smajd@mellanox.com 10970fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 10980fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 10990fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11000fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11010fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11020fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11030fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11040fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11050fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11060fb2ed66Smajd@mellanox.com 11070fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11080fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11090fb2ed66Smajd@mellanox.com 11100fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11110fb2ed66Smajd@mellanox.com 11120fb2ed66Smajd@mellanox.com kvfree(in); 11130fb2ed66Smajd@mellanox.com 11140fb2ed66Smajd@mellanox.com if (err) 11150fb2ed66Smajd@mellanox.com goto err_umem; 11160fb2ed66Smajd@mellanox.com 11170fb2ed66Smajd@mellanox.com return 0; 11180fb2ed66Smajd@mellanox.com 11190fb2ed66Smajd@mellanox.com err_umem: 11200fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11210fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11220fb2ed66Smajd@mellanox.com 11230fb2ed66Smajd@mellanox.com return err; 11240fb2ed66Smajd@mellanox.com } 11250fb2ed66Smajd@mellanox.com 11260fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11270fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11280fb2ed66Smajd@mellanox.com { 11290fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11300fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11310fb2ed66Smajd@mellanox.com } 11320fb2ed66Smajd@mellanox.com 11330fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc) 11340fb2ed66Smajd@mellanox.com { 11350fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11360fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11370fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11380fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11390fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11400fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11410fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11420fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11430fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11440fb2ed66Smajd@mellanox.com 11450fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11460fb2ed66Smajd@mellanox.com } 11470fb2ed66Smajd@mellanox.com 11480fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11490fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq, void *qpin) 11500fb2ed66Smajd@mellanox.com { 1151358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11520fb2ed66Smajd@mellanox.com __be64 *pas; 11530fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11540fb2ed66Smajd@mellanox.com void *in; 11550fb2ed66Smajd@mellanox.com void *rqc; 11560fb2ed66Smajd@mellanox.com void *wq; 11570fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11580fb2ed66Smajd@mellanox.com int inlen; 11590fb2ed66Smajd@mellanox.com int err; 11600fb2ed66Smajd@mellanox.com u32 rq_pas_size = get_rq_pas_size(qpc); 11610fb2ed66Smajd@mellanox.com 11620fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 11631b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11640fb2ed66Smajd@mellanox.com if (!in) 11650fb2ed66Smajd@mellanox.com return -ENOMEM; 11660fb2ed66Smajd@mellanox.com 11670fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1168e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 11690fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 11700fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 11710fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 11720fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 11730fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11740fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 11750fb2ed66Smajd@mellanox.com 1176358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1177358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1178358e42eaSMajd Dibbiny 11790fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 11800fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11810fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, end_padding_mode, 118201581fb8SMaor Gottlieb MLX5_GET(qpc, qpc, end_padding_mode)); 11830fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 11840fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11850fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11860fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 11870fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 11880fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 11890fb2ed66Smajd@mellanox.com 11900fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11910fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 11920fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 11930fb2ed66Smajd@mellanox.com 11940fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 11950fb2ed66Smajd@mellanox.com 11960fb2ed66Smajd@mellanox.com kvfree(in); 11970fb2ed66Smajd@mellanox.com 11980fb2ed66Smajd@mellanox.com return err; 11990fb2ed66Smajd@mellanox.com } 12000fb2ed66Smajd@mellanox.com 12010fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12020fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12030fb2ed66Smajd@mellanox.com { 12040fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12050fb2ed66Smajd@mellanox.com } 12060fb2ed66Smajd@mellanox.com 1207f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1208f95ef6cbSMaor Gottlieb { 1209f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1210f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1211f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1212f95ef6cbSMaor Gottlieb } 1213f95ef6cbSMaor Gottlieb 12140fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1215f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1216f95ef6cbSMaor Gottlieb bool tunnel_offload_en) 12170fb2ed66Smajd@mellanox.com { 12180fb2ed66Smajd@mellanox.com u32 *in; 12190fb2ed66Smajd@mellanox.com void *tirc; 12200fb2ed66Smajd@mellanox.com int inlen; 12210fb2ed66Smajd@mellanox.com int err; 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 12241b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12250fb2ed66Smajd@mellanox.com if (!in) 12260fb2ed66Smajd@mellanox.com return -ENOMEM; 12270fb2ed66Smajd@mellanox.com 12280fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 12290fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 12300fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 12310fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1232f95ef6cbSMaor Gottlieb if (tunnel_offload_en) 1233f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 12340fb2ed66Smajd@mellanox.com 12350fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 12360fb2ed66Smajd@mellanox.com 12370fb2ed66Smajd@mellanox.com kvfree(in); 12380fb2ed66Smajd@mellanox.com 12390fb2ed66Smajd@mellanox.com return err; 12400fb2ed66Smajd@mellanox.com } 12410fb2ed66Smajd@mellanox.com 12420fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12430fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12440fb2ed66Smajd@mellanox.com { 12450fb2ed66Smajd@mellanox.com mlx5_core_destroy_tir(dev->mdev, rq->tirn); 12460fb2ed66Smajd@mellanox.com } 12470fb2ed66Smajd@mellanox.com 12480fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 124909a7d9ecSSaeed Mahameed u32 *in, 12500fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12510fb2ed66Smajd@mellanox.com { 12520fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 12530fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 12540fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 12550fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 12560fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 12570fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 12580fb2ed66Smajd@mellanox.com int err; 12590fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 12600fb2ed66Smajd@mellanox.com 12610fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 1262c2e53b2cSYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn); 12630fb2ed66Smajd@mellanox.com if (err) 12640fb2ed66Smajd@mellanox.com return err; 12650fb2ed66Smajd@mellanox.com 12660fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 12670fb2ed66Smajd@mellanox.com if (err) 12680fb2ed66Smajd@mellanox.com goto err_destroy_tis; 12690fb2ed66Smajd@mellanox.com 12700fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 12711d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 12720fb2ed66Smajd@mellanox.com } 12730fb2ed66Smajd@mellanox.com 12740fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1275358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1276358e42eaSMajd Dibbiny 1277e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1278e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 12790fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_rq(dev, rq, in); 12800fb2ed66Smajd@mellanox.com if (err) 12810fb2ed66Smajd@mellanox.com goto err_destroy_sq; 12820fb2ed66Smajd@mellanox.com 12830fb2ed66Smajd@mellanox.com 1284f95ef6cbSMaor Gottlieb err = create_raw_packet_qp_tir(dev, rq, tdn, 1285f95ef6cbSMaor Gottlieb qp->tunnel_offload_en); 12860fb2ed66Smajd@mellanox.com if (err) 12870fb2ed66Smajd@mellanox.com goto err_destroy_rq; 12880fb2ed66Smajd@mellanox.com } 12890fb2ed66Smajd@mellanox.com 12900fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 12910fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 12920fb2ed66Smajd@mellanox.com 12930fb2ed66Smajd@mellanox.com return 0; 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com err_destroy_rq: 12960fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 12970fb2ed66Smajd@mellanox.com err_destroy_sq: 12980fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 12990fb2ed66Smajd@mellanox.com return err; 13000fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13010fb2ed66Smajd@mellanox.com err_destroy_tis: 13020fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13030fb2ed66Smajd@mellanox.com 13040fb2ed66Smajd@mellanox.com return err; 13050fb2ed66Smajd@mellanox.com } 13060fb2ed66Smajd@mellanox.com 13070fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 13080fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 13090fb2ed66Smajd@mellanox.com { 13100fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13110fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13120fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13130fb2ed66Smajd@mellanox.com 13140fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 13150fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tir(dev, rq); 13160fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13170fb2ed66Smajd@mellanox.com } 13180fb2ed66Smajd@mellanox.com 13190fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13200fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13210fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13220fb2ed66Smajd@mellanox.com } 13230fb2ed66Smajd@mellanox.com } 13240fb2ed66Smajd@mellanox.com 13250fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 13260fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 13270fb2ed66Smajd@mellanox.com { 13280fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13290fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13300fb2ed66Smajd@mellanox.com 13310fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 13320fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 13330fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 13340fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 13350fb2ed66Smajd@mellanox.com } 13360fb2ed66Smajd@mellanox.com 133728d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 133828d61370SYishai Hadas { 133928d61370SYishai Hadas mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); 134028d61370SYishai Hadas } 134128d61370SYishai Hadas 134228d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 134328d61370SYishai Hadas struct ib_pd *pd, 134428d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 134528d61370SYishai Hadas struct ib_udata *udata) 134628d61370SYishai Hadas { 134728d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 134828d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 134928d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 135028d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 135128d61370SYishai Hadas int inlen; 135228d61370SYishai Hadas int err; 135328d61370SYishai Hadas u32 *in; 135428d61370SYishai Hadas void *tirc; 135528d61370SYishai Hadas void *hfso; 135628d61370SYishai Hadas u32 selected_fields = 0; 135728d61370SYishai Hadas size_t min_resp_len; 135828d61370SYishai Hadas u32 tdn = mucontext->tdn; 135928d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 136028d61370SYishai Hadas size_t required_cmd_sz; 136128d61370SYishai Hadas 136228d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 136328d61370SYishai Hadas return -EOPNOTSUPP; 136428d61370SYishai Hadas 136528d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 136628d61370SYishai Hadas return -EINVAL; 136728d61370SYishai Hadas 13682f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 136928d61370SYishai Hadas if (udata->outlen < min_resp_len) 137028d61370SYishai Hadas return -EINVAL; 137128d61370SYishai Hadas 1372f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 137328d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 137428d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 137528d61370SYishai Hadas return -EINVAL; 137628d61370SYishai Hadas } 137728d61370SYishai Hadas 137828d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 137928d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 138028d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 138128d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 138228d61370SYishai Hadas return -EOPNOTSUPP; 138328d61370SYishai Hadas } 138428d61370SYishai Hadas 138528d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 138628d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 138728d61370SYishai Hadas return -EFAULT; 138828d61370SYishai Hadas } 138928d61370SYishai Hadas 139028d61370SYishai Hadas if (ucmd.comp_mask) { 139128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 139228d61370SYishai Hadas return -EOPNOTSUPP; 139328d61370SYishai Hadas } 139428d61370SYishai Hadas 1395f95ef6cbSMaor Gottlieb if (ucmd.flags & ~MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1396f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1397f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1398f95ef6cbSMaor Gottlieb } 1399f95ef6cbSMaor Gottlieb 1400f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1401f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1402f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 140328d61370SYishai Hadas return -EOPNOTSUPP; 140428d61370SYishai Hadas } 140528d61370SYishai Hadas 1406309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1407309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1408309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1409309fa347SMaor Gottlieb return -EOPNOTSUPP; 1410309fa347SMaor Gottlieb } 1411309fa347SMaor Gottlieb 141228d61370SYishai Hadas err = ib_copy_to_udata(udata, &resp, min_resp_len); 141328d61370SYishai Hadas if (err) { 141428d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 141528d61370SYishai Hadas return -EINVAL; 141628d61370SYishai Hadas } 141728d61370SYishai Hadas 141828d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14191b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 142028d61370SYishai Hadas if (!in) 142128d61370SYishai Hadas return -ENOMEM; 142228d61370SYishai Hadas 142328d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 142428d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 142528d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 142628d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 142728d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 142828d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 142928d61370SYishai Hadas 143028d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1431f95ef6cbSMaor Gottlieb 1432f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1433f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1434f95ef6cbSMaor Gottlieb 1435309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1436309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1437309fa347SMaor Gottlieb else 1438309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1439309fa347SMaor Gottlieb 144028d61370SYishai Hadas switch (ucmd.rx_hash_function) { 144128d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 144228d61370SYishai Hadas { 144328d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 144428d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 144528d61370SYishai Hadas 144628d61370SYishai Hadas if (len != ucmd.rx_key_len) { 144728d61370SYishai Hadas err = -EINVAL; 144828d61370SYishai Hadas goto err; 144928d61370SYishai Hadas } 145028d61370SYishai Hadas 145128d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 145228d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 145328d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 145428d61370SYishai Hadas break; 145528d61370SYishai Hadas } 145628d61370SYishai Hadas default: 145728d61370SYishai Hadas err = -EOPNOTSUPP; 145828d61370SYishai Hadas goto err; 145928d61370SYishai Hadas } 146028d61370SYishai Hadas 146128d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 146228d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 146328d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 146428d61370SYishai Hadas goto create_tir; 146528d61370SYishai Hadas err = -EINVAL; 146628d61370SYishai Hadas goto err; 146728d61370SYishai Hadas } 146828d61370SYishai Hadas 146928d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 147028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 147128d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 147228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 147328d61370SYishai Hadas err = -EINVAL; 147428d61370SYishai Hadas goto err; 147528d61370SYishai Hadas } 147628d61370SYishai Hadas 147728d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 147828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 147928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 148028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 148128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 148228d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 148328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 148428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 148528d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 148628d61370SYishai Hadas 148728d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 148828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && 148928d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 149028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { 149128d61370SYishai Hadas err = -EINVAL; 149228d61370SYishai Hadas goto err; 149328d61370SYishai Hadas } 149428d61370SYishai Hadas 149528d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 149628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 149728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 149828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 149928d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 150028d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 150128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 150228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 150328d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 150428d61370SYishai Hadas 150528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 150628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 150728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 150828d61370SYishai Hadas 150928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 151028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 151128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 151228d61370SYishai Hadas 151328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 151428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 151528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 151628d61370SYishai Hadas 151728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 151828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 151928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 152028d61370SYishai Hadas 152128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 152228d61370SYishai Hadas 152328d61370SYishai Hadas create_tir: 152428d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 152528d61370SYishai Hadas 152628d61370SYishai Hadas if (err) 152728d61370SYishai Hadas goto err; 152828d61370SYishai Hadas 152928d61370SYishai Hadas kvfree(in); 153028d61370SYishai Hadas /* qpn is reserved for that QP */ 153128d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1532d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 153328d61370SYishai Hadas return 0; 153428d61370SYishai Hadas 153528d61370SYishai Hadas err: 153628d61370SYishai Hadas kvfree(in); 153728d61370SYishai Hadas return err; 153828d61370SYishai Hadas } 153928d61370SYishai Hadas 1540e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1541e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1542e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1543e126ba97SEli Cohen { 1544e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 154509a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1546938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 1547e126ba97SEli Cohen struct mlx5_ib_create_qp_resp resp; 154889ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 154989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 155089ea94a7SMaor Gottlieb unsigned long flags; 1551cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 155209a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 155309a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1554cfb5e088SHaggai Abramovsky void *qpc; 155509a7d9ecSSaeed Mahameed u32 *in; 155609a7d9ecSSaeed Mahameed int err; 1557e126ba97SEli Cohen 1558e126ba97SEli Cohen mutex_init(&qp->mutex); 1559e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1560e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1561e126ba97SEli Cohen 156228d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 156328d61370SYishai Hadas if (!udata) 156428d61370SYishai Hadas return -ENOSYS; 156528d61370SYishai Hadas 156628d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 156728d61370SYishai Hadas return err; 156828d61370SYishai Hadas } 156928d61370SYishai Hadas 1570f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1571938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1572f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1573f360d88aSEli Cohen return -EINVAL; 1574f360d88aSEli Cohen } else { 1575f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1576f360d88aSEli Cohen } 1577f360d88aSEli Cohen } 1578f360d88aSEli Cohen 1579051f2630SLeon Romanovsky if (init_attr->create_flags & 1580051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1581051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1582051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1583051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1584051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1585051f2630SLeon Romanovsky return -EINVAL; 1586051f2630SLeon Romanovsky } 1587051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1588051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1589051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1590051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1591051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1592051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1593051f2630SLeon Romanovsky } 1594f0313965SErez Shitrit 1595f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1596f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1597f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1598f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1599f0313965SErez Shitrit return -EOPNOTSUPP; 1600f0313965SErez Shitrit } 1601f0313965SErez Shitrit 1602358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1603358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1604358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1605358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1606358e42eaSMajd Dibbiny } 1607358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1608358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1609358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1610358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1611358e42eaSMajd Dibbiny } 1612358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1613358e42eaSMajd Dibbiny } 1614358e42eaSMajd Dibbiny 1615e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1616e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1617e126ba97SEli Cohen 1618e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1619e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1620e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 1621e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 1622e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 1623e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 1624e4cc4fa7SNoa Osherovich } 1625e4cc4fa7SNoa Osherovich 1626e126ba97SEli Cohen if (pd && pd->uobject) { 1627e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1628e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1629e126ba97SEli Cohen return -EFAULT; 1630e126ba97SEli Cohen } 1631e126ba97SEli Cohen 1632cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1633cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1634cfb5e088SHaggai Abramovsky if (err) 1635cfb5e088SHaggai Abramovsky return err; 1636cfb5e088SHaggai Abramovsky 1637e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1638e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1639f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1640f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 1641f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 1642f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 1643f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1644f95ef6cbSMaor Gottlieb } 1645f95ef6cbSMaor Gottlieb qp->tunnel_offload_en = true; 1646f95ef6cbSMaor Gottlieb } 1647c2e53b2cSYishai Hadas 1648c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 1649c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 1650c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 1651c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 1652c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 1653c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 1654c2e53b2cSYishai Hadas return -EOPNOTSUPP; 1655c2e53b2cSYishai Hadas } 1656c2e53b2cSYishai Hadas 1657c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 1658c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 1659c2e53b2cSYishai Hadas } 1660e126ba97SEli Cohen } else { 1661e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1662e126ba97SEli Cohen } 1663e126ba97SEli Cohen 1664c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 1665c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 1666c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1667c2e53b2cSYishai Hadas &qp->trans_qp.base; 1668c2e53b2cSYishai Hadas 1669e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1670e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1671e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1672e126ba97SEli Cohen if (err) { 1673e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1674e126ba97SEli Cohen return err; 1675e126ba97SEli Cohen } 1676e126ba97SEli Cohen 1677e126ba97SEli Cohen if (pd) { 1678e126ba97SEli Cohen if (pd->uobject) { 1679938fe83cSSaeed Mahameed __u32 max_wqes = 1680938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1681e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1682e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1683e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1684e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1685e126ba97SEli Cohen return -EINVAL; 1686e126ba97SEli Cohen } 1687938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1688e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1689938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1690e126ba97SEli Cohen return -EINVAL; 1691e126ba97SEli Cohen } 1692b11a4f9cSHaggai Eran if (init_attr->create_flags & 1693b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1694b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1695b11a4f9cSHaggai Eran return -EINVAL; 1696b11a4f9cSHaggai Eran } 16970fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 16980fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1699e126ba97SEli Cohen if (err) 1700e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1701e126ba97SEli Cohen } else { 170219098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 170319098df2Smajd@mellanox.com base); 1704e126ba97SEli Cohen if (err) 1705e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1706e126ba97SEli Cohen } 1707e126ba97SEli Cohen 1708e126ba97SEli Cohen if (err) 1709e126ba97SEli Cohen return err; 1710e126ba97SEli Cohen } else { 17111b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 1712e126ba97SEli Cohen if (!in) 1713e126ba97SEli Cohen return -ENOMEM; 1714e126ba97SEli Cohen 1715e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1716e126ba97SEli Cohen } 1717e126ba97SEli Cohen 1718e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1719e126ba97SEli Cohen qp->port = init_attr->port_num; 1720e126ba97SEli Cohen 172109a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 172209a7d9ecSSaeed Mahameed 172309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); 172409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1725e126ba97SEli Cohen 1726e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 172709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1728e126ba97SEli Cohen else 172909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 173009a7d9ecSSaeed Mahameed 1731e126ba97SEli Cohen 1732e126ba97SEli Cohen if (qp->wq_sig) 173309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1734e126ba97SEli Cohen 1735f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 173609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1737f360d88aSEli Cohen 1738051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 173909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1740051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 174109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1742051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 174309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1744051f2630SLeon Romanovsky 1745e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1746e126ba97SEli Cohen int rcqe_sz; 1747e126ba97SEli Cohen int scqe_sz; 1748e126ba97SEli Cohen 1749e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1750e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1751e126ba97SEli Cohen 1752e126ba97SEli Cohen if (rcqe_sz == 128) 175309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1754e126ba97SEli Cohen else 175509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1756e126ba97SEli Cohen 1757e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1758e126ba97SEli Cohen if (scqe_sz == 128) 175909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1760e126ba97SEli Cohen else 176109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1762e126ba97SEli Cohen } 1763e126ba97SEli Cohen } 1764e126ba97SEli Cohen 1765e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 176609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 176709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1768e126ba97SEli Cohen } 1769e126ba97SEli Cohen 177009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1771e126ba97SEli Cohen 17723fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 177309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 17743fd3307eSArtemy Kovalyov } else { 177509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 17763fd3307eSArtemy Kovalyov if (init_attr->srq && 17773fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 17783fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 17793fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 17803fd3307eSArtemy Kovalyov } 1781e126ba97SEli Cohen 1782e126ba97SEli Cohen /* Set default resources */ 1783e126ba97SEli Cohen switch (init_attr->qp_type) { 1784e126ba97SEli Cohen case IB_QPT_XRC_TGT: 178509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 178609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 178709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 178809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1789e126ba97SEli Cohen break; 1790e126ba97SEli Cohen case IB_QPT_XRC_INI: 179109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 179209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 179309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1794e126ba97SEli Cohen break; 1795e126ba97SEli Cohen default: 1796e126ba97SEli Cohen if (init_attr->srq) { 179709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 179809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1799e126ba97SEli Cohen } else { 180009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 180109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1802e126ba97SEli Cohen } 1803e126ba97SEli Cohen } 1804e126ba97SEli Cohen 1805e126ba97SEli Cohen if (init_attr->send_cq) 180609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1807e126ba97SEli Cohen 1808e126ba97SEli Cohen if (init_attr->recv_cq) 180909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1810e126ba97SEli Cohen 181109a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1812e126ba97SEli Cohen 1813cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 181409a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1815cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 181609a7d9ecSSaeed Mahameed 1817f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1818f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1819f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1820f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1821f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1822f0313965SErez Shitrit } 1823cfb5e088SHaggai Abramovsky 1824c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 1825c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 18260fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 18270fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 18280fb2ed66Smajd@mellanox.com err = create_raw_packet_qp(dev, qp, in, pd); 18290fb2ed66Smajd@mellanox.com } else { 183019098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 18310fb2ed66Smajd@mellanox.com } 18320fb2ed66Smajd@mellanox.com 1833e126ba97SEli Cohen if (err) { 1834e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1835e126ba97SEli Cohen goto err_create; 1836e126ba97SEli Cohen } 1837e126ba97SEli Cohen 1838479163f4SAl Viro kvfree(in); 1839e126ba97SEli Cohen 184019098df2Smajd@mellanox.com base->container_mibqp = qp; 184119098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1842e126ba97SEli Cohen 184389ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 184489ea94a7SMaor Gottlieb &send_cq, &recv_cq); 184589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 184689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 184789ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 184889ea94a7SMaor Gottlieb * flow 184989ea94a7SMaor Gottlieb */ 185089ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 185189ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 185289ea94a7SMaor Gottlieb */ 185389ea94a7SMaor Gottlieb if (send_cq) 185489ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 185589ea94a7SMaor Gottlieb if (recv_cq) 185689ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 185789ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 185889ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 185989ea94a7SMaor Gottlieb 1860e126ba97SEli Cohen return 0; 1861e126ba97SEli Cohen 1862e126ba97SEli Cohen err_create: 1863e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 1864b037c29aSEli Cohen destroy_qp_user(dev, pd, qp, base); 1865e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 1866e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 1867e126ba97SEli Cohen 1868479163f4SAl Viro kvfree(in); 1869e126ba97SEli Cohen return err; 1870e126ba97SEli Cohen } 1871e126ba97SEli Cohen 1872e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1873e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 1874e126ba97SEli Cohen { 1875e126ba97SEli Cohen if (send_cq) { 1876e126ba97SEli Cohen if (recv_cq) { 1877e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 187889ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1879e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 1880e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1881e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 188289ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 1883e126ba97SEli Cohen __acquire(&recv_cq->lock); 1884e126ba97SEli Cohen } else { 188589ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 1886e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 1887e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 1888e126ba97SEli Cohen } 1889e126ba97SEli Cohen } else { 189089ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 18916a4f139aSEli Cohen __acquire(&recv_cq->lock); 1892e126ba97SEli Cohen } 1893e126ba97SEli Cohen } else if (recv_cq) { 189489ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 18956a4f139aSEli Cohen __acquire(&send_cq->lock); 18966a4f139aSEli Cohen } else { 18976a4f139aSEli Cohen __acquire(&send_cq->lock); 18986a4f139aSEli Cohen __acquire(&recv_cq->lock); 1899e126ba97SEli Cohen } 1900e126ba97SEli Cohen } 1901e126ba97SEli Cohen 1902e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 1903e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 1904e126ba97SEli Cohen { 1905e126ba97SEli Cohen if (send_cq) { 1906e126ba97SEli Cohen if (recv_cq) { 1907e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 1908e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 190989ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1910e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 1911e126ba97SEli Cohen __release(&recv_cq->lock); 191289ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1913e126ba97SEli Cohen } else { 1914e126ba97SEli Cohen spin_unlock(&send_cq->lock); 191589ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 1916e126ba97SEli Cohen } 1917e126ba97SEli Cohen } else { 19186a4f139aSEli Cohen __release(&recv_cq->lock); 191989ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 1920e126ba97SEli Cohen } 1921e126ba97SEli Cohen } else if (recv_cq) { 19226a4f139aSEli Cohen __release(&send_cq->lock); 192389ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 19246a4f139aSEli Cohen } else { 19256a4f139aSEli Cohen __release(&recv_cq->lock); 19266a4f139aSEli Cohen __release(&send_cq->lock); 1927e126ba97SEli Cohen } 1928e126ba97SEli Cohen } 1929e126ba97SEli Cohen 1930e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 1931e126ba97SEli Cohen { 1932e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 1933e126ba97SEli Cohen } 1934e126ba97SEli Cohen 193589ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 193689ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 1937e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 1938e126ba97SEli Cohen { 193989ea94a7SMaor Gottlieb switch (qp_type) { 1940e126ba97SEli Cohen case IB_QPT_XRC_TGT: 1941e126ba97SEli Cohen *send_cq = NULL; 1942e126ba97SEli Cohen *recv_cq = NULL; 1943e126ba97SEli Cohen break; 1944e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 1945e126ba97SEli Cohen case IB_QPT_XRC_INI: 194689ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 1947e126ba97SEli Cohen *recv_cq = NULL; 1948e126ba97SEli Cohen break; 1949e126ba97SEli Cohen 1950e126ba97SEli Cohen case IB_QPT_SMI: 1951d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 1952e126ba97SEli Cohen case IB_QPT_RC: 1953e126ba97SEli Cohen case IB_QPT_UC: 1954e126ba97SEli Cohen case IB_QPT_UD: 1955e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 1956e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 19570fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 195889ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 195989ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 1960e126ba97SEli Cohen break; 1961e126ba97SEli Cohen 1962e126ba97SEli Cohen case IB_QPT_MAX: 1963e126ba97SEli Cohen default: 1964e126ba97SEli Cohen *send_cq = NULL; 1965e126ba97SEli Cohen *recv_cq = NULL; 1966e126ba97SEli Cohen break; 1967e126ba97SEli Cohen } 1968e126ba97SEli Cohen } 1969e126ba97SEli Cohen 1970ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 197113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 197213eab21fSAviv Heller u8 lag_tx_affinity); 1973ad5f8e96Smajd@mellanox.com 1974e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1975e126ba97SEli Cohen { 1976e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 1977c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 197889ea94a7SMaor Gottlieb unsigned long flags; 1979e126ba97SEli Cohen int err; 1980e126ba97SEli Cohen 198128d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 198228d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 198328d61370SYishai Hadas return; 198428d61370SYishai Hadas } 198528d61370SYishai Hadas 1986c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 1987c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 19880fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 19890fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 19900fb2ed66Smajd@mellanox.com 19916aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 1992c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 1993c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 1994ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 19951a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 19961a412fb1SSaeed Mahameed NULL, &base->mqp); 1997ad5f8e96Smajd@mellanox.com } else { 19980680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 19990680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 20000680efa2SAlex Vesker }; 20010680efa2SAlex Vesker 200213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2003ad5f8e96Smajd@mellanox.com } 2004ad5f8e96Smajd@mellanox.com if (err) 2005427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 200619098df2Smajd@mellanox.com base->mqp.qpn); 20076aec21f6SHaggai Eran } 2008e126ba97SEli Cohen 200989ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 201089ea94a7SMaor Gottlieb &send_cq, &recv_cq); 201189ea94a7SMaor Gottlieb 201289ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 201389ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 201489ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 201589ea94a7SMaor Gottlieb list_del(&qp->qps_list); 201689ea94a7SMaor Gottlieb if (send_cq) 201789ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 201889ea94a7SMaor Gottlieb 201989ea94a7SMaor Gottlieb if (recv_cq) 202089ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2021e126ba97SEli Cohen 2022e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 202319098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2024e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2025e126ba97SEli Cohen if (send_cq != recv_cq) 202619098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 202719098df2Smajd@mellanox.com NULL); 2028e126ba97SEli Cohen } 202989ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 203089ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2031e126ba97SEli Cohen 2032c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2033c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 20340fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 20350fb2ed66Smajd@mellanox.com } else { 203619098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2037e126ba97SEli Cohen if (err) 20380fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 20390fb2ed66Smajd@mellanox.com base->mqp.qpn); 20400fb2ed66Smajd@mellanox.com } 2041e126ba97SEli Cohen 2042e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2043e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2044e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2045b037c29aSEli Cohen destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); 2046e126ba97SEli Cohen } 2047e126ba97SEli Cohen 2048e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2049e126ba97SEli Cohen { 2050e126ba97SEli Cohen switch (type) { 2051e126ba97SEli Cohen case IB_QPT_SMI: 2052e126ba97SEli Cohen return "IB_QPT_SMI"; 2053e126ba97SEli Cohen case IB_QPT_GSI: 2054e126ba97SEli Cohen return "IB_QPT_GSI"; 2055e126ba97SEli Cohen case IB_QPT_RC: 2056e126ba97SEli Cohen return "IB_QPT_RC"; 2057e126ba97SEli Cohen case IB_QPT_UC: 2058e126ba97SEli Cohen return "IB_QPT_UC"; 2059e126ba97SEli Cohen case IB_QPT_UD: 2060e126ba97SEli Cohen return "IB_QPT_UD"; 2061e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2062e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2063e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2064e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2065e126ba97SEli Cohen case IB_QPT_XRC_INI: 2066e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2067e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2068e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2069e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2070e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2071e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2072e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2073e126ba97SEli Cohen case IB_QPT_MAX: 2074e126ba97SEli Cohen default: 2075e126ba97SEli Cohen return "Invalid QP type"; 2076e126ba97SEli Cohen } 2077e126ba97SEli Cohen } 2078e126ba97SEli Cohen 2079e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2080e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2081e126ba97SEli Cohen struct ib_udata *udata) 2082e126ba97SEli Cohen { 2083e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2084e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2085e126ba97SEli Cohen u16 xrcdn = 0; 2086e126ba97SEli Cohen int err; 2087e126ba97SEli Cohen 2088e126ba97SEli Cohen if (pd) { 2089e126ba97SEli Cohen dev = to_mdev(pd->device); 20900fb2ed66Smajd@mellanox.com 20910fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 20920fb2ed66Smajd@mellanox.com if (!pd->uobject) { 20930fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 20940fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 20950fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 20960fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 20970fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 20980fb2ed66Smajd@mellanox.com } 20990fb2ed66Smajd@mellanox.com } 210009f16cf5SMajd Dibbiny } else { 210109f16cf5SMajd Dibbiny /* being cautious here */ 210209f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 210309f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 210409f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 210509f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 210609f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 210709f16cf5SMajd Dibbiny } 210809f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2109e126ba97SEli Cohen } 2110e126ba97SEli Cohen 2111e126ba97SEli Cohen switch (init_attr->qp_type) { 2112e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2113e126ba97SEli Cohen case IB_QPT_XRC_INI: 2114938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2115e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2116e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2117e126ba97SEli Cohen } 2118e126ba97SEli Cohen init_attr->recv_cq = NULL; 2119e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2120e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2121e126ba97SEli Cohen init_attr->send_cq = NULL; 2122e126ba97SEli Cohen } 2123e126ba97SEli Cohen 2124e126ba97SEli Cohen /* fall through */ 21250fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2126e126ba97SEli Cohen case IB_QPT_RC: 2127e126ba97SEli Cohen case IB_QPT_UC: 2128e126ba97SEli Cohen case IB_QPT_UD: 2129e126ba97SEli Cohen case IB_QPT_SMI: 2130d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2131e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2132e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2133e126ba97SEli Cohen if (!qp) 2134e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2135e126ba97SEli Cohen 2136e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2137e126ba97SEli Cohen if (err) { 2138e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2139e126ba97SEli Cohen kfree(qp); 2140e126ba97SEli Cohen return ERR_PTR(err); 2141e126ba97SEli Cohen } 2142e126ba97SEli Cohen 2143e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2144e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2145e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2146e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2147e126ba97SEli Cohen else 214819098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2149e126ba97SEli Cohen 2150e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 215119098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2152a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2153a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2154e126ba97SEli Cohen 215519098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2156e126ba97SEli Cohen 2157e126ba97SEli Cohen break; 2158e126ba97SEli Cohen 2159d16e91daSHaggai Eran case IB_QPT_GSI: 2160d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2161d16e91daSHaggai Eran 2162e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2163e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2164e126ba97SEli Cohen case IB_QPT_MAX: 2165e126ba97SEli Cohen default: 2166e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2167e126ba97SEli Cohen init_attr->qp_type); 2168e126ba97SEli Cohen /* Don't support raw QPs */ 2169e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2170e126ba97SEli Cohen } 2171e126ba97SEli Cohen 2172e126ba97SEli Cohen return &qp->ibqp; 2173e126ba97SEli Cohen } 2174e126ba97SEli Cohen 2175e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2176e126ba97SEli Cohen { 2177e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2178e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2179e126ba97SEli Cohen 2180d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2181d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2182d16e91daSHaggai Eran 2183e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2184e126ba97SEli Cohen 2185e126ba97SEli Cohen kfree(mqp); 2186e126ba97SEli Cohen 2187e126ba97SEli Cohen return 0; 2188e126ba97SEli Cohen } 2189e126ba97SEli Cohen 2190e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2191e126ba97SEli Cohen int attr_mask) 2192e126ba97SEli Cohen { 2193e126ba97SEli Cohen u32 hw_access_flags = 0; 2194e126ba97SEli Cohen u8 dest_rd_atomic; 2195e126ba97SEli Cohen u32 access_flags; 2196e126ba97SEli Cohen 2197e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2198e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2199e126ba97SEli Cohen else 220019098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2201e126ba97SEli Cohen 2202e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2203e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2204e126ba97SEli Cohen else 220519098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2206e126ba97SEli Cohen 2207e126ba97SEli Cohen if (!dest_rd_atomic) 2208e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2209e126ba97SEli Cohen 2210e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2211e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2212e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2213e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2214e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2215e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2216e126ba97SEli Cohen 2217e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2218e126ba97SEli Cohen } 2219e126ba97SEli Cohen 2220e126ba97SEli Cohen enum { 2221e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2222e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2223e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2224e126ba97SEli Cohen }; 2225e126ba97SEli Cohen 2226e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2227e126ba97SEli Cohen { 2228e126ba97SEli Cohen if (rate == IB_RATE_PORT_CURRENT) { 2229e126ba97SEli Cohen return 0; 2230e126ba97SEli Cohen } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { 2231e126ba97SEli Cohen return -EINVAL; 2232e126ba97SEli Cohen } else { 2233e126ba97SEli Cohen while (rate != IB_RATE_2_5_GBPS && 2234e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2235938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2236e126ba97SEli Cohen --rate; 2237e126ba97SEli Cohen } 2238e126ba97SEli Cohen 2239e126ba97SEli Cohen return rate + MLX5_STAT_RATE_OFFSET; 2240e126ba97SEli Cohen } 2241e126ba97SEli Cohen 224275850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 224375850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 224475850d0bSmajd@mellanox.com { 224575850d0bSmajd@mellanox.com void *in; 224675850d0bSmajd@mellanox.com void *tisc; 224775850d0bSmajd@mellanox.com int inlen; 224875850d0bSmajd@mellanox.com int err; 224975850d0bSmajd@mellanox.com 225075850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 22511b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 225275850d0bSmajd@mellanox.com if (!in) 225375850d0bSmajd@mellanox.com return -ENOMEM; 225475850d0bSmajd@mellanox.com 225575850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 225675850d0bSmajd@mellanox.com 225775850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 225875850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 225975850d0bSmajd@mellanox.com 226075850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 226175850d0bSmajd@mellanox.com 226275850d0bSmajd@mellanox.com kvfree(in); 226375850d0bSmajd@mellanox.com 226475850d0bSmajd@mellanox.com return err; 226575850d0bSmajd@mellanox.com } 226675850d0bSmajd@mellanox.com 226713eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 226813eab21fSAviv Heller struct mlx5_ib_sq *sq, u8 tx_affinity) 226913eab21fSAviv Heller { 227013eab21fSAviv Heller void *in; 227113eab21fSAviv Heller void *tisc; 227213eab21fSAviv Heller int inlen; 227313eab21fSAviv Heller int err; 227413eab21fSAviv Heller 227513eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 22761b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 227713eab21fSAviv Heller if (!in) 227813eab21fSAviv Heller return -ENOMEM; 227913eab21fSAviv Heller 228013eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 228113eab21fSAviv Heller 228213eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 228313eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 228413eab21fSAviv Heller 228513eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 228613eab21fSAviv Heller 228713eab21fSAviv Heller kvfree(in); 228813eab21fSAviv Heller 228913eab21fSAviv Heller return err; 229013eab21fSAviv Heller } 229113eab21fSAviv Heller 229275850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 229390898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2294e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2295f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2296f879ee8dSAchiad Shochat bool alt) 2297e126ba97SEli Cohen { 2298d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2299e126ba97SEli Cohen int err; 2300ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2301d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2302d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2303e126ba97SEli Cohen 2304e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2305f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2306f879ee8dSAchiad Shochat attr->pkey_index); 2307e126ba97SEli Cohen 2308d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2309d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2310938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2311f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2312d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2313938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2314f83b4263SEli Cohen return -EINVAL; 2315f83b4263SEli Cohen } 23162811ba51SAchiad Shochat } 231744c58487SDasaratharaman Chandramouli 231844c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2319d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 23202811ba51SAchiad Shochat return -EINVAL; 2321d8966fcdSDasaratharaman Chandramouli err = mlx5_get_roce_gid_type(dev, port, grh->sgid_index, 2322ed88451eSMajd Dibbiny &gid_type); 2323ed88451eSMajd Dibbiny if (err) 2324ed88451eSMajd Dibbiny return err; 232544c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 23262811ba51SAchiad Shochat path->udp_sport = mlx5_get_roce_udp_sport(dev, port, 2327d8966fcdSDasaratharaman Chandramouli grh->sgid_index); 2328d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 2329ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2330d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 23312811ba51SAchiad Shochat } else { 2332d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2333d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2334d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2335d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2336d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2337d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2338e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2339d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 23402811ba51SAchiad Shochat } 23412811ba51SAchiad Shochat 2342d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2343d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2344d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2345e126ba97SEli Cohen path->tclass_flowlabel = 2346d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2347d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2348d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2349e126ba97SEli Cohen } 2350e126ba97SEli Cohen 2351d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2352e126ba97SEli Cohen if (err < 0) 2353e126ba97SEli Cohen return err; 2354e126ba97SEli Cohen path->static_rate = err; 2355e126ba97SEli Cohen path->port = port; 2356e126ba97SEli Cohen 2357e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2358f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2359e126ba97SEli Cohen 236075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 236175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 236275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 2363d8966fcdSDasaratharaman Chandramouli sl & 0xf); 236475850d0bSmajd@mellanox.com 2365e126ba97SEli Cohen return 0; 2366e126ba97SEli Cohen } 2367e126ba97SEli Cohen 2368e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2369e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2370e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2371e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2372e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2373e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2374e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2375e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2376e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2377e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2378e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2379e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2380e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2381e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2382e126ba97SEli Cohen }, 2383e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2384e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2385e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2386e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2387e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2388e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2389e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2390e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2391e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2392e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2393e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2394e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2395e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2396a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2397a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2398a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2399a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2400a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2401e126ba97SEli Cohen }, 2402e126ba97SEli Cohen }, 2403e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2404e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2405e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2406e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2407e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2408e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2409e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2410e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2411e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2412e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2413e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2414e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2415e126ba97SEli Cohen }, 2416e126ba97SEli Cohen }, 2417e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2418e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2419e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2420e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2421e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2422e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2423c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2424c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2425e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2426c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2427c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2428e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2429e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2430e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2431e126ba97SEli Cohen }, 2432e126ba97SEli Cohen }, 2433e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2434e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2435e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2436e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 243775959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2438a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2439a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2440a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2441a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2442e126ba97SEli Cohen }, 2443e126ba97SEli Cohen }, 2444e126ba97SEli Cohen }; 2445e126ba97SEli Cohen 2446e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2447e126ba97SEli Cohen { 2448e126ba97SEli Cohen switch (ib_mask) { 2449e126ba97SEli Cohen case IB_QP_STATE: 2450e126ba97SEli Cohen return 0; 2451e126ba97SEli Cohen case IB_QP_CUR_STATE: 2452e126ba97SEli Cohen return 0; 2453e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2454e126ba97SEli Cohen return 0; 2455e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2456e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2457e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2458e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2459e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2460e126ba97SEli Cohen case IB_QP_PORT: 2461e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2462e126ba97SEli Cohen case IB_QP_QKEY: 2463e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2464e126ba97SEli Cohen case IB_QP_AV: 2465e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2466e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2467e126ba97SEli Cohen case IB_QP_PATH_MTU: 2468e126ba97SEli Cohen return 0; 2469e126ba97SEli Cohen case IB_QP_TIMEOUT: 2470e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2471e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2472e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2473e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2474e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2475e126ba97SEli Cohen case IB_QP_RQ_PSN: 2476e126ba97SEli Cohen return 0; 2477e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2478e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2479e126ba97SEli Cohen case IB_QP_ALT_PATH: 2480e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2481e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2482e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2483e126ba97SEli Cohen case IB_QP_SQ_PSN: 2484e126ba97SEli Cohen return 0; 2485e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2486e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2487e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2488e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2489e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2490e126ba97SEli Cohen case IB_QP_CAP: 2491e126ba97SEli Cohen return 0; 2492e126ba97SEli Cohen case IB_QP_DEST_QPN: 2493e126ba97SEli Cohen return 0; 2494e126ba97SEli Cohen } 2495e126ba97SEli Cohen return 0; 2496e126ba97SEli Cohen } 2497e126ba97SEli Cohen 2498e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2499e126ba97SEli Cohen { 2500e126ba97SEli Cohen int result = 0; 2501e126ba97SEli Cohen int i; 2502e126ba97SEli Cohen 2503e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2504e126ba97SEli Cohen if ((1 << i) & ib_mask) 2505e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2506e126ba97SEli Cohen } 2507e126ba97SEli Cohen 2508e126ba97SEli Cohen return result; 2509e126ba97SEli Cohen } 2510e126ba97SEli Cohen 2511eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 2512eb49ab0cSAlex Vesker struct mlx5_ib_rq *rq, int new_state, 2513eb49ab0cSAlex Vesker const struct mlx5_modify_raw_qp_param *raw_qp_param) 2514ad5f8e96Smajd@mellanox.com { 2515ad5f8e96Smajd@mellanox.com void *in; 2516ad5f8e96Smajd@mellanox.com void *rqc; 2517ad5f8e96Smajd@mellanox.com int inlen; 2518ad5f8e96Smajd@mellanox.com int err; 2519ad5f8e96Smajd@mellanox.com 2520ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 25211b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2522ad5f8e96Smajd@mellanox.com if (!in) 2523ad5f8e96Smajd@mellanox.com return -ENOMEM; 2524ad5f8e96Smajd@mellanox.com 2525ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 2526ad5f8e96Smajd@mellanox.com 2527ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2528ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2529ad5f8e96Smajd@mellanox.com 2530eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2531eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2532eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 253323a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 2534eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2535eb49ab0cSAlex Vesker } else 2536eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2537eb49ab0cSAlex Vesker dev->ib_dev.name); 2538eb49ab0cSAlex Vesker } 2539eb49ab0cSAlex Vesker 2540eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2541ad5f8e96Smajd@mellanox.com if (err) 2542ad5f8e96Smajd@mellanox.com goto out; 2543ad5f8e96Smajd@mellanox.com 2544ad5f8e96Smajd@mellanox.com rq->state = new_state; 2545ad5f8e96Smajd@mellanox.com 2546ad5f8e96Smajd@mellanox.com out: 2547ad5f8e96Smajd@mellanox.com kvfree(in); 2548ad5f8e96Smajd@mellanox.com return err; 2549ad5f8e96Smajd@mellanox.com } 2550ad5f8e96Smajd@mellanox.com 2551ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, 25527d29f349SBodong Wang struct mlx5_ib_sq *sq, 25537d29f349SBodong Wang int new_state, 25547d29f349SBodong Wang const struct mlx5_modify_raw_qp_param *raw_qp_param) 2555ad5f8e96Smajd@mellanox.com { 25567d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 25577d29f349SBodong Wang u32 old_rate = ibqp->rate_limit; 25587d29f349SBodong Wang u32 new_rate = old_rate; 25597d29f349SBodong Wang u16 rl_index = 0; 2560ad5f8e96Smajd@mellanox.com void *in; 2561ad5f8e96Smajd@mellanox.com void *sqc; 2562ad5f8e96Smajd@mellanox.com int inlen; 2563ad5f8e96Smajd@mellanox.com int err; 2564ad5f8e96Smajd@mellanox.com 2565ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 25661b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2567ad5f8e96Smajd@mellanox.com if (!in) 2568ad5f8e96Smajd@mellanox.com return -ENOMEM; 2569ad5f8e96Smajd@mellanox.com 2570ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2571ad5f8e96Smajd@mellanox.com 2572ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2573ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2574ad5f8e96Smajd@mellanox.com 25757d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 25767d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 25777d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 25787d29f349SBodong Wang __func__); 25797d29f349SBodong Wang else 25807d29f349SBodong Wang new_rate = raw_qp_param->rate_limit; 25817d29f349SBodong Wang } 2582ad5f8e96Smajd@mellanox.com 25837d29f349SBodong Wang if (old_rate != new_rate) { 25847d29f349SBodong Wang if (new_rate) { 25857d29f349SBodong Wang err = mlx5_rl_add_rate(dev, new_rate, &rl_index); 25867d29f349SBodong Wang if (err) { 25877d29f349SBodong Wang pr_err("Failed configuring rate %u: %d\n", 25887d29f349SBodong Wang new_rate, err); 25897d29f349SBodong Wang goto out; 25907d29f349SBodong Wang } 25917d29f349SBodong Wang } 25927d29f349SBodong Wang 25937d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 25947d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 25957d29f349SBodong Wang } 25967d29f349SBodong Wang 25977d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 25987d29f349SBodong Wang if (err) { 25997d29f349SBodong Wang /* Remove new rate from table if failed */ 26007d29f349SBodong Wang if (new_rate && 26017d29f349SBodong Wang old_rate != new_rate) 26027d29f349SBodong Wang mlx5_rl_remove_rate(dev, new_rate); 26037d29f349SBodong Wang goto out; 26047d29f349SBodong Wang } 26057d29f349SBodong Wang 26067d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 26077d29f349SBodong Wang if ((old_rate && 26087d29f349SBodong Wang (old_rate != new_rate)) || 26097d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 26107d29f349SBodong Wang mlx5_rl_remove_rate(dev, old_rate); 26117d29f349SBodong Wang 26127d29f349SBodong Wang ibqp->rate_limit = new_rate; 2613ad5f8e96Smajd@mellanox.com sq->state = new_state; 2614ad5f8e96Smajd@mellanox.com 2615ad5f8e96Smajd@mellanox.com out: 2616ad5f8e96Smajd@mellanox.com kvfree(in); 2617ad5f8e96Smajd@mellanox.com return err; 2618ad5f8e96Smajd@mellanox.com } 2619ad5f8e96Smajd@mellanox.com 2620ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 262113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 262213eab21fSAviv Heller u8 tx_affinity) 2623ad5f8e96Smajd@mellanox.com { 2624ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2625ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2626ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 26277d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 26287d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 2629ad5f8e96Smajd@mellanox.com int rq_state; 2630ad5f8e96Smajd@mellanox.com int sq_state; 2631ad5f8e96Smajd@mellanox.com int err; 2632ad5f8e96Smajd@mellanox.com 26330680efa2SAlex Vesker switch (raw_qp_param->operation) { 2634ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2635ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2636ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2637ad5f8e96Smajd@mellanox.com break; 2638ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2639ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2640ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2641ad5f8e96Smajd@mellanox.com break; 2642ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2643ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2644ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2645ad5f8e96Smajd@mellanox.com break; 2646ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2647ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 26487d29f349SBodong Wang if (raw_qp_param->set_mask == 26497d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 26507d29f349SBodong Wang modify_rq = 0; 26517d29f349SBodong Wang sq_state = sq->state; 26527d29f349SBodong Wang } else { 26537d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 26547d29f349SBodong Wang } 26557d29f349SBodong Wang break; 26567d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 26577d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 2658eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2659eb49ab0cSAlex Vesker return -EINVAL; 2660eb49ab0cSAlex Vesker else 2661ad5f8e96Smajd@mellanox.com return 0; 2662ad5f8e96Smajd@mellanox.com default: 2663ad5f8e96Smajd@mellanox.com WARN_ON(1); 2664ad5f8e96Smajd@mellanox.com return -EINVAL; 2665ad5f8e96Smajd@mellanox.com } 2666ad5f8e96Smajd@mellanox.com 26677d29f349SBodong Wang if (modify_rq) { 2668eb49ab0cSAlex Vesker err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); 2669ad5f8e96Smajd@mellanox.com if (err) 2670ad5f8e96Smajd@mellanox.com return err; 2671ad5f8e96Smajd@mellanox.com } 2672ad5f8e96Smajd@mellanox.com 26737d29f349SBodong Wang if (modify_sq) { 267413eab21fSAviv Heller if (tx_affinity) { 267513eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 267613eab21fSAviv Heller tx_affinity); 267713eab21fSAviv Heller if (err) 267813eab21fSAviv Heller return err; 267913eab21fSAviv Heller } 268013eab21fSAviv Heller 26817d29f349SBodong Wang return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); 268213eab21fSAviv Heller } 2683ad5f8e96Smajd@mellanox.com 2684ad5f8e96Smajd@mellanox.com return 0; 2685ad5f8e96Smajd@mellanox.com } 2686ad5f8e96Smajd@mellanox.com 2687e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 2688e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 2689e126ba97SEli Cohen enum ib_qp_state cur_state, enum ib_qp_state new_state) 2690e126ba97SEli Cohen { 2691427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 2692427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 2693427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2694427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2695427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 2696427c1e7bSmajd@mellanox.com }, 2697427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 2698427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2699427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2700427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 2701427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 2702427c1e7bSmajd@mellanox.com }, 2703427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 2704427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2705427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2706427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 2707427c1e7bSmajd@mellanox.com }, 2708427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 2709427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2710427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2711427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 2712427c1e7bSmajd@mellanox.com }, 2713427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 2714427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2715427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2716427c1e7bSmajd@mellanox.com }, 2717427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 2718427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2719427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2720427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 2721427c1e7bSmajd@mellanox.com }, 2722427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 2723427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 2724427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 2725427c1e7bSmajd@mellanox.com } 2726427c1e7bSmajd@mellanox.com }; 2727427c1e7bSmajd@mellanox.com 2728e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2729e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 273019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 2731e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2732e126ba97SEli Cohen struct mlx5_qp_context *context; 2733e126ba97SEli Cohen struct mlx5_ib_pd *pd; 2734eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 2735e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 2736e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 2737e126ba97SEli Cohen int mlx5_st; 2738e126ba97SEli Cohen int err; 2739427c1e7bSmajd@mellanox.com u16 op; 274013eab21fSAviv Heller u8 tx_affinity = 0; 2741e126ba97SEli Cohen 27421a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 27431a412fb1SSaeed Mahameed if (!context) 2744e126ba97SEli Cohen return -ENOMEM; 2745e126ba97SEli Cohen 2746e126ba97SEli Cohen err = to_mlx5_st(ibqp->qp_type); 2747158abf86SHaggai Eran if (err < 0) { 2748158abf86SHaggai Eran mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); 2749e126ba97SEli Cohen goto out; 2750158abf86SHaggai Eran } 2751e126ba97SEli Cohen 2752e126ba97SEli Cohen context->flags = cpu_to_be32(err << 16); 2753e126ba97SEli Cohen 2754e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 2755e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2756e126ba97SEli Cohen } else { 2757e126ba97SEli Cohen switch (attr->path_mig_state) { 2758e126ba97SEli Cohen case IB_MIG_MIGRATED: 2759e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 2760e126ba97SEli Cohen break; 2761e126ba97SEli Cohen case IB_MIG_REARM: 2762e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 2763e126ba97SEli Cohen break; 2764e126ba97SEli Cohen case IB_MIG_ARMED: 2765e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 2766e126ba97SEli Cohen break; 2767e126ba97SEli Cohen } 2768e126ba97SEli Cohen } 2769e126ba97SEli Cohen 277013eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 277113eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 277213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 277313eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 277413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 277513eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 277613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 277713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 277813eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 277913eab21fSAviv Heller tx_affinity = (unsigned int)atomic_add_return(1, 278013eab21fSAviv Heller &dev->roce.next_port) % 278113eab21fSAviv Heller MLX5_MAX_PORTS + 1; 278213eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 278313eab21fSAviv Heller } 278413eab21fSAviv Heller } 278513eab21fSAviv Heller } 278613eab21fSAviv Heller 2787d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 2788e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 2789c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 2790c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 2791e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 2792e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 2793e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 2794e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 2795e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 2796e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 2797e126ba97SEli Cohen err = -EINVAL; 2798e126ba97SEli Cohen goto out; 2799e126ba97SEli Cohen } 2800938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 2801938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 2802e126ba97SEli Cohen } 2803e126ba97SEli Cohen 2804e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 2805e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 2806e126ba97SEli Cohen 2807e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2808d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 2809e126ba97SEli Cohen 2810e126ba97SEli Cohen /* todo implement counter_index functionality */ 2811e126ba97SEli Cohen 2812e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 2813e126ba97SEli Cohen context->pri_path.port = qp->port; 2814e126ba97SEli Cohen 2815e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2816e126ba97SEli Cohen context->pri_path.port = attr->port_num; 2817e126ba97SEli Cohen 2818e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 281975850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 2820e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 2821f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 2822e126ba97SEli Cohen if (err) 2823e126ba97SEli Cohen goto out; 2824e126ba97SEli Cohen } 2825e126ba97SEli Cohen 2826e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2827e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 2828e126ba97SEli Cohen 2829e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 283075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 283175850d0bSmajd@mellanox.com &context->alt_path, 2832f879ee8dSAchiad Shochat attr->alt_port_num, 2833f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 2834f879ee8dSAchiad Shochat 0, attr, true); 2835e126ba97SEli Cohen if (err) 2836e126ba97SEli Cohen goto out; 2837e126ba97SEli Cohen } 2838e126ba97SEli Cohen 2839e126ba97SEli Cohen pd = get_pd(qp); 284089ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 284189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 2842e126ba97SEli Cohen 2843e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 2844e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 2845e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 2846e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 2847e126ba97SEli Cohen 2848e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 2849e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 2850e126ba97SEli Cohen 2851e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 2852e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 2853e126ba97SEli Cohen 2854e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 2855e126ba97SEli Cohen if (attr->max_rd_atomic) 2856e126ba97SEli Cohen context->params1 |= 2857e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 2858e126ba97SEli Cohen } 2859e126ba97SEli Cohen 2860e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 2861e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 2862e126ba97SEli Cohen 2863e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 2864e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 2865e126ba97SEli Cohen context->params2 |= 2866e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 2867e126ba97SEli Cohen } 2868e126ba97SEli Cohen 2869e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 2870e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 2871e126ba97SEli Cohen 2872e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 2873e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 2874e126ba97SEli Cohen 2875e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 2876e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 2877e126ba97SEli Cohen 2878e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 2879e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 2880e126ba97SEli Cohen 2881e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2882e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 2883e126ba97SEli Cohen 28840837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 28850837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 28860837e86aSMark Bloch qp->port) - 1; 2887c2e53b2cSYishai Hadas 2888c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 2889c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 2890c2e53b2cSYishai Hadas port_num = 0; 2891c2e53b2cSYishai Hadas 2892eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 28930837e86aSMark Bloch context->qp_counter_set_usr_page |= 2894e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 28950837e86aSMark Bloch } 28960837e86aSMark Bloch 2897e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 2898e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 2899e126ba97SEli Cohen 2900b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 2901b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 2902e126ba97SEli Cohen 2903e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 2904e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 2905e126ba97SEli Cohen mlx5_st = to_mlx5_st(ibqp->qp_type); 290607c9113fSEli Cohen if (mlx5_st < 0) 2907e126ba97SEli Cohen goto out; 2908e126ba97SEli Cohen 2909427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 2910427c1e7bSmajd@mellanox.com !optab[mlx5_cur][mlx5_new]) 2911427c1e7bSmajd@mellanox.com goto out; 2912427c1e7bSmajd@mellanox.com 2913427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 2914e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 2915e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 2916ad5f8e96Smajd@mellanox.com 2917c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2918c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 29190680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 29200680efa2SAlex Vesker 29210680efa2SAlex Vesker raw_qp_param.operation = op; 2922eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 2923e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 2924eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 2925eb49ab0cSAlex Vesker } 29267d29f349SBodong Wang 29277d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 29287d29f349SBodong Wang raw_qp_param.rate_limit = attr->rate_limit; 29297d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 29307d29f349SBodong Wang } 29317d29f349SBodong Wang 293213eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 29330680efa2SAlex Vesker } else { 29341a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 293519098df2Smajd@mellanox.com &base->mqp); 29360680efa2SAlex Vesker } 29370680efa2SAlex Vesker 2938e126ba97SEli Cohen if (err) 2939e126ba97SEli Cohen goto out; 2940e126ba97SEli Cohen 2941e126ba97SEli Cohen qp->state = new_state; 2942e126ba97SEli Cohen 2943e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 294419098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 2945e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 294619098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 2947e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 2948e126ba97SEli Cohen qp->port = attr->port_num; 2949e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 295019098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 2951e126ba97SEli Cohen 2952e126ba97SEli Cohen /* 2953e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 2954e126ba97SEli Cohen * entries and reinitialize the QP. 2955e126ba97SEli Cohen */ 2956e126ba97SEli Cohen if (new_state == IB_QPS_RESET && !ibqp->uobject) { 295719098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2958e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 2959e126ba97SEli Cohen if (send_cq != recv_cq) 296019098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 2961e126ba97SEli Cohen 2962e126ba97SEli Cohen qp->rq.head = 0; 2963e126ba97SEli Cohen qp->rq.tail = 0; 2964e126ba97SEli Cohen qp->sq.head = 0; 2965e126ba97SEli Cohen qp->sq.tail = 0; 2966e126ba97SEli Cohen qp->sq.cur_post = 0; 2967e126ba97SEli Cohen qp->sq.last_poll = 0; 2968e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 2969e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 2970e126ba97SEli Cohen } 2971e126ba97SEli Cohen 2972e126ba97SEli Cohen out: 29731a412fb1SSaeed Mahameed kfree(context); 2974e126ba97SEli Cohen return err; 2975e126ba97SEli Cohen } 2976e126ba97SEli Cohen 2977e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 2978e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 2979e126ba97SEli Cohen { 2980e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 2981e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 2982d16e91daSHaggai Eran enum ib_qp_type qp_type; 2983e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 2984e126ba97SEli Cohen int err = -EINVAL; 2985e126ba97SEli Cohen int port; 29862811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 2987e126ba97SEli Cohen 298828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 298928d61370SYishai Hadas return -ENOSYS; 299028d61370SYishai Hadas 2991d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 2992d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 2993d16e91daSHaggai Eran 2994d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 2995d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 2996d16e91daSHaggai Eran 2997e126ba97SEli Cohen mutex_lock(&qp->mutex); 2998e126ba97SEli Cohen 2999e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3000e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3001e126ba97SEli Cohen 30022811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 30032811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 30042811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 30052811ba51SAchiad Shochat } 30062811ba51SAchiad Shochat 3007c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3008c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3009c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3010c2e53b2cSYishai Hadas attr_mask); 3011c2e53b2cSYishai Hadas goto out; 3012c2e53b2cSYishai Hadas } 3013c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3014d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 3015158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3016158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3017e126ba97SEli Cohen goto out; 3018158abf86SHaggai Eran } 3019e126ba97SEli Cohen 3020e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3021938fe83cSSaeed Mahameed (attr->port_num == 0 || 3022158abf86SHaggai Eran attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { 3023158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3024158abf86SHaggai Eran attr->port_num, dev->num_ports); 3025e126ba97SEli Cohen goto out; 3026158abf86SHaggai Eran } 3027e126ba97SEli Cohen 3028e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3029e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3030938fe83cSSaeed Mahameed if (attr->pkey_index >= 3031158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3032158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3033158abf86SHaggai Eran attr->pkey_index); 3034e126ba97SEli Cohen goto out; 3035e126ba97SEli Cohen } 3036158abf86SHaggai Eran } 3037e126ba97SEli Cohen 3038e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3039938fe83cSSaeed Mahameed attr->max_rd_atomic > 3040158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3041158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3042158abf86SHaggai Eran attr->max_rd_atomic); 3043e126ba97SEli Cohen goto out; 3044158abf86SHaggai Eran } 3045e126ba97SEli Cohen 3046e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3047938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3048158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3049158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3050158abf86SHaggai Eran attr->max_dest_rd_atomic); 3051e126ba97SEli Cohen goto out; 3052158abf86SHaggai Eran } 3053e126ba97SEli Cohen 3054e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3055e126ba97SEli Cohen err = 0; 3056e126ba97SEli Cohen goto out; 3057e126ba97SEli Cohen } 3058e126ba97SEli Cohen 3059e126ba97SEli Cohen err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); 3060e126ba97SEli Cohen 3061e126ba97SEli Cohen out: 3062e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3063e126ba97SEli Cohen return err; 3064e126ba97SEli Cohen } 3065e126ba97SEli Cohen 3066e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3067e126ba97SEli Cohen { 3068e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3069e126ba97SEli Cohen unsigned cur; 3070e126ba97SEli Cohen 3071e126ba97SEli Cohen cur = wq->head - wq->tail; 3072e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3073e126ba97SEli Cohen return 0; 3074e126ba97SEli Cohen 3075e126ba97SEli Cohen cq = to_mcq(ib_cq); 3076e126ba97SEli Cohen spin_lock(&cq->lock); 3077e126ba97SEli Cohen cur = wq->head - wq->tail; 3078e126ba97SEli Cohen spin_unlock(&cq->lock); 3079e126ba97SEli Cohen 3080e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3081e126ba97SEli Cohen } 3082e126ba97SEli Cohen 3083e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3084e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3085e126ba97SEli Cohen { 3086e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3087e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3088e126ba97SEli Cohen rseg->reserved = 0; 3089e126ba97SEli Cohen } 3090e126ba97SEli Cohen 3091f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 3092f0313965SErez Shitrit struct ib_send_wr *wr, void *qend, 3093f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 3094f0313965SErez Shitrit { 3095f0313965SErez Shitrit void *seg = eseg; 3096f0313965SErez Shitrit 3097f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3098f0313965SErez Shitrit 3099f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3100f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3101f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3102f0313965SErez Shitrit 3103f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 3104f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3105f0313965SErez Shitrit 3106f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3107f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 31082b31f7aeSSaeed Mahameed int size_of_inl_hdr_start = sizeof(eseg->inline_hdr.start); 3109f0313965SErez Shitrit u64 left, leftlen, copysz; 3110f0313965SErez Shitrit void *pdata = ud_wr->header; 3111f0313965SErez Shitrit 3112f0313965SErez Shitrit left = ud_wr->hlen; 3113f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 31142b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 3115f0313965SErez Shitrit 3116f0313965SErez Shitrit /* 3117f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 3118f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 3119f0313965SErez Shitrit * rollback and than the copy the left 3120f0313965SErez Shitrit */ 31212b31f7aeSSaeed Mahameed leftlen = qend - (void *)eseg->inline_hdr.start; 3122f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 3123f0313965SErez Shitrit 3124f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 3125f0313965SErez Shitrit 3126f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 3127f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 3128f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 3129f0313965SErez Shitrit } 3130f0313965SErez Shitrit 3131f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 3132f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3133f0313965SErez Shitrit left -= copysz; 3134f0313965SErez Shitrit pdata += copysz; 3135f0313965SErez Shitrit memcpy(seg, pdata, left); 3136f0313965SErez Shitrit seg += ALIGN(left, 16); 3137f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 3138f0313965SErez Shitrit } 3139f0313965SErez Shitrit } 3140f0313965SErez Shitrit 3141f0313965SErez Shitrit return seg; 3142f0313965SErez Shitrit } 3143f0313965SErez Shitrit 3144e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3145e126ba97SEli Cohen struct ib_send_wr *wr) 3146e126ba97SEli Cohen { 3147e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3148e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3149e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3150e126ba97SEli Cohen } 3151e126ba97SEli Cohen 3152e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3153e126ba97SEli Cohen { 3154e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3155e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3156e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3157e126ba97SEli Cohen } 3158e126ba97SEli Cohen 315931616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 3160e126ba97SEli Cohen { 316131616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 316231616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 3163e126ba97SEli Cohen } 3164e126ba97SEli Cohen 3165e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3166e126ba97SEli Cohen { 3167e126ba97SEli Cohen u64 result; 3168e126ba97SEli Cohen 3169e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3170e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3171e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3172e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3173e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3174e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3175e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3176e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3177e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3178e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3179e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3180e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3181e126ba97SEli Cohen 3182e126ba97SEli Cohen return cpu_to_be64(result); 3183e126ba97SEli Cohen } 3184e126ba97SEli Cohen 3185e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3186e6631814SSagi Grimberg { 3187e6631814SSagi Grimberg u64 result; 3188e6631814SSagi Grimberg 3189e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3190e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3191e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3192d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3193e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3194e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3195e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3196e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3197e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3198e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3199e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3200e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3201e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3202e6631814SSagi Grimberg 3203e6631814SSagi Grimberg return cpu_to_be64(result); 3204e6631814SSagi Grimberg } 3205e6631814SSagi Grimberg 32068a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 32078a187ee5SSagi Grimberg struct mlx5_ib_mr *mr) 32088a187ee5SSagi Grimberg { 320931616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 32108a187ee5SSagi Grimberg 32118a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3212b005d316SSagi Grimberg 32138a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 321431616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 32158a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 32168a187ee5SSagi Grimberg } 32178a187ee5SSagi Grimberg 3218dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3219e126ba97SEli Cohen { 3220e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3221e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 32222d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3223e126ba97SEli Cohen } 3224e126ba97SEli Cohen 322531616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 3226e126ba97SEli Cohen { 3227968e78ddSHaggai Eran u64 result; 3228e126ba97SEli Cohen 322931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 3230e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3231968e78ddSHaggai Eran 3232968e78ddSHaggai Eran return cpu_to_be64(result); 3233968e78ddSHaggai Eran } 3234968e78ddSHaggai Eran 323531616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 3236968e78ddSHaggai Eran { 3237968e78ddSHaggai Eran u64 result; 3238968e78ddSHaggai Eran 3239968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3240968e78ddSHaggai Eran 3241968e78ddSHaggai Eran return cpu_to_be64(result); 3242968e78ddSHaggai Eran } 3243968e78ddSHaggai Eran 324456e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 324556e11d62SNoa Osherovich { 324656e11d62SNoa Osherovich u64 result; 324756e11d62SNoa Osherovich 324856e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 324956e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 325031616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 325156e11d62SNoa Osherovich 325256e11d62SNoa Osherovich return cpu_to_be64(result); 325356e11d62SNoa Osherovich } 325456e11d62SNoa Osherovich 325531616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 325656e11d62SNoa Osherovich { 325756e11d62SNoa Osherovich u64 result; 325856e11d62SNoa Osherovich 325931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 326031616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 326156e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 326231616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 326331616255SArtemy Kovalyov 326431616255SArtemy Kovalyov if (atomic) 326531616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 326656e11d62SNoa Osherovich 326756e11d62SNoa Osherovich return cpu_to_be64(result); 326856e11d62SNoa Osherovich } 326956e11d62SNoa Osherovich 327056e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 327156e11d62SNoa Osherovich { 327256e11d62SNoa Osherovich u64 result; 327356e11d62SNoa Osherovich 327431616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 327556e11d62SNoa Osherovich 327656e11d62SNoa Osherovich return cpu_to_be64(result); 327756e11d62SNoa Osherovich } 327856e11d62SNoa Osherovich 3279968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 3280578e7264SMaor Gottlieb struct ib_send_wr *wr, int atomic) 3281968e78ddSHaggai Eran { 3282e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3283968e78ddSHaggai Eran 3284968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3285968e78ddSHaggai Eran 3286968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3287968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3288968e78ddSHaggai Eran else 3289968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3290968e78ddSHaggai Eran 329131616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 329231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 329331616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 329431616255SArtemy Kovalyov 329531616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 329631616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 3297968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3298968e78ddSHaggai Eran } 329956e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 330056e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 330131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 330231616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 330356e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 3304e126ba97SEli Cohen } 330531616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 330631616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 330731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 330831616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 3309e126ba97SEli Cohen 3310e126ba97SEli Cohen if (!wr->num_sge) 3311968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3312e126ba97SEli Cohen } 3313e126ba97SEli Cohen 3314e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3315e126ba97SEli Cohen { 3316e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3317e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3318e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3319e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 33202ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3321e126ba97SEli Cohen } 3322e126ba97SEli Cohen 33238a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 33248a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 33258a187ee5SSagi Grimberg u32 key, int access) 33268a187ee5SSagi Grimberg { 33278a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 33288a187ee5SSagi Grimberg 33298a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3330b005d316SSagi Grimberg 3331ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3332b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3333ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3334b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3335b005d316SSagi Grimberg ndescs *= 2; 3336b005d316SSagi Grimberg 3337b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 33388a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 33398a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 33408a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 33418a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 33428a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 33438a187ee5SSagi Grimberg } 33448a187ee5SSagi Grimberg 3345dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3346e126ba97SEli Cohen { 3347e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3348968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3349e126ba97SEli Cohen } 3350e126ba97SEli Cohen 3351e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) 3352e126ba97SEli Cohen { 3353e622f2f4SChristoph Hellwig struct mlx5_umr_wr *umrwr = umr_wr(wr); 3354968e78ddSHaggai Eran 3355e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 335631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 3357968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3358e126ba97SEli Cohen 3359968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 336056e11d62SNoa Osherovich if (umrwr->pd) 3361968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 336231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 336331616255SArtemy Kovalyov !umrwr->length) 336431616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 336531616255SArtemy Kovalyov 336631616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 3367968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3368968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3369746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3370968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3371e126ba97SEli Cohen } 3372e126ba97SEli Cohen 33738a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 33748a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 33758a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 33768a187ee5SSagi Grimberg { 33778a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 33788a187ee5SSagi Grimberg 33798a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 33808a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 33818a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 33828a187ee5SSagi Grimberg } 33838a187ee5SSagi Grimberg 3384e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr) 3385e126ba97SEli Cohen { 3386e126ba97SEli Cohen switch (wr->opcode) { 3387e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3388e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3389e126ba97SEli Cohen return wr->ex.imm_data; 3390e126ba97SEli Cohen 3391e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3392e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3393e126ba97SEli Cohen 3394e126ba97SEli Cohen default: 3395e126ba97SEli Cohen return 0; 3396e126ba97SEli Cohen } 3397e126ba97SEli Cohen } 3398e126ba97SEli Cohen 3399e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3400e126ba97SEli Cohen { 3401e126ba97SEli Cohen u8 *p = wqe; 3402e126ba97SEli Cohen u8 res = 0; 3403e126ba97SEli Cohen int i; 3404e126ba97SEli Cohen 3405e126ba97SEli Cohen for (i = 0; i < size; i++) 3406e126ba97SEli Cohen res ^= p[i]; 3407e126ba97SEli Cohen 3408e126ba97SEli Cohen return ~res; 3409e126ba97SEli Cohen } 3410e126ba97SEli Cohen 3411e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3412e126ba97SEli Cohen { 3413e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3414e126ba97SEli Cohen } 3415e126ba97SEli Cohen 3416e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, 3417e126ba97SEli Cohen void *wqe, int *sz) 3418e126ba97SEli Cohen { 3419e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3420e126ba97SEli Cohen void *qend = qp->sq.qend; 3421e126ba97SEli Cohen void *addr; 3422e126ba97SEli Cohen int inl = 0; 3423e126ba97SEli Cohen int copy; 3424e126ba97SEli Cohen int len; 3425e126ba97SEli Cohen int i; 3426e126ba97SEli Cohen 3427e126ba97SEli Cohen seg = wqe; 3428e126ba97SEli Cohen wqe += sizeof(*seg); 3429e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3430e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3431e126ba97SEli Cohen len = wr->sg_list[i].length; 3432e126ba97SEli Cohen inl += len; 3433e126ba97SEli Cohen 3434e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3435e126ba97SEli Cohen return -ENOMEM; 3436e126ba97SEli Cohen 3437e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3438e126ba97SEli Cohen copy = qend - wqe; 3439e126ba97SEli Cohen memcpy(wqe, addr, copy); 3440e126ba97SEli Cohen addr += copy; 3441e126ba97SEli Cohen len -= copy; 3442e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3443e126ba97SEli Cohen } 3444e126ba97SEli Cohen memcpy(wqe, addr, len); 3445e126ba97SEli Cohen wqe += len; 3446e126ba97SEli Cohen } 3447e126ba97SEli Cohen 3448e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 3449e126ba97SEli Cohen 3450e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 3451e126ba97SEli Cohen 3452e126ba97SEli Cohen return 0; 3453e126ba97SEli Cohen } 3454e126ba97SEli Cohen 3455e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 3456e6631814SSagi Grimberg { 3457e6631814SSagi Grimberg switch (type) { 3458e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3459e6631814SSagi Grimberg return MLX5_DIF_SIZE; 3460e6631814SSagi Grimberg default: 3461e6631814SSagi Grimberg return 0; 3462e6631814SSagi Grimberg } 3463e6631814SSagi Grimberg } 3464e6631814SSagi Grimberg 3465e6631814SSagi Grimberg static u8 bs_selector(int block_size) 3466e6631814SSagi Grimberg { 3467e6631814SSagi Grimberg switch (block_size) { 3468e6631814SSagi Grimberg case 512: return 0x1; 3469e6631814SSagi Grimberg case 520: return 0x2; 3470e6631814SSagi Grimberg case 4096: return 0x3; 3471e6631814SSagi Grimberg case 4160: return 0x4; 3472e6631814SSagi Grimberg case 1073741824: return 0x5; 3473e6631814SSagi Grimberg default: return 0; 3474e6631814SSagi Grimberg } 3475e6631814SSagi Grimberg } 3476e6631814SSagi Grimberg 347778eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 3478142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 3479e6631814SSagi Grimberg { 3480142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 3481142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 3482142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 3483142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 3484142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 3485142537f4SSagi Grimberg /* repeating block */ 3486142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 3487142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 3488142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 3489e6631814SSagi Grimberg 349078eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 349178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 3492e6631814SSagi Grimberg 349378eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 349478eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 349578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 349678eda2bbSSagi Grimberg else 349778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 3498e6631814SSagi Grimberg } 3499e6631814SSagi Grimberg 350078eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 350178eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 3502e6631814SSagi Grimberg } 3503e6631814SSagi Grimberg 3504e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 3505e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 3506e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 3507e6631814SSagi Grimberg { 3508e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 3509e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 3510e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 3511e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 3512e6631814SSagi Grimberg 3513c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 3514e6631814SSagi Grimberg 3515142537f4SSagi Grimberg /* Basic + Extended + Inline */ 3516142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 3517e6631814SSagi Grimberg /* Input domain check byte mask */ 3518e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 351978eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 352078eda2bbSSagi Grimberg 352178eda2bbSSagi Grimberg /* Memory domain */ 352278eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 352378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 352478eda2bbSSagi Grimberg break; 352578eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 352678eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 352778eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 352878eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 352978eda2bbSSagi Grimberg break; 353078eda2bbSSagi Grimberg default: 353178eda2bbSSagi Grimberg return -EINVAL; 353278eda2bbSSagi Grimberg } 353378eda2bbSSagi Grimberg 353478eda2bbSSagi Grimberg /* Wire domain */ 353578eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 353678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 353778eda2bbSSagi Grimberg break; 353878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3539e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 354078eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 3541e6631814SSagi Grimberg /* Same block structure */ 3542142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 3543e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 3544fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 3545c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 3546fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 3547c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 3548fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 3549e6631814SSagi Grimberg } else 3550e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 3551e6631814SSagi Grimberg 3552142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 355378eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 3554e6631814SSagi Grimberg break; 3555e6631814SSagi Grimberg default: 3556e6631814SSagi Grimberg return -EINVAL; 3557e6631814SSagi Grimberg } 3558e6631814SSagi Grimberg 3559e6631814SSagi Grimberg return 0; 3560e6631814SSagi Grimberg } 3561e6631814SSagi Grimberg 3562e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr, 3563e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 3564e6631814SSagi Grimberg { 3565e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 3566e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3567e6631814SSagi Grimberg struct mlx5_bsf *bsf; 3568e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 3569e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 3570e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 3571e6631814SSagi Grimberg int ret; 3572e6631814SSagi Grimberg int wqe_size; 3573e6631814SSagi Grimberg 3574e622f2f4SChristoph Hellwig if (!wr->prot || 3575e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 3576e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 3577e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 3578e6631814SSagi Grimberg /** 3579e6631814SSagi Grimberg * Source domain doesn't contain signature information 35805c273b16SSagi Grimberg * or data and protection are interleaved in memory. 3581e6631814SSagi Grimberg * So need construct: 3582e6631814SSagi Grimberg * ------------------ 3583e6631814SSagi Grimberg * | data_klm | 3584e6631814SSagi Grimberg * ------------------ 3585e6631814SSagi Grimberg * | BSF | 3586e6631814SSagi Grimberg * ------------------ 3587e6631814SSagi Grimberg **/ 3588e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 3589e6631814SSagi Grimberg 3590e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 3591e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 3592e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 3593e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 3594e6631814SSagi Grimberg } else { 3595e6631814SSagi Grimberg /** 3596e6631814SSagi Grimberg * Source domain contains signature information 3597e6631814SSagi Grimberg * So need construct a strided block format: 3598e6631814SSagi Grimberg * --------------------------- 3599e6631814SSagi Grimberg * | stride_block_ctrl | 3600e6631814SSagi Grimberg * --------------------------- 3601e6631814SSagi Grimberg * | data_klm | 3602e6631814SSagi Grimberg * --------------------------- 3603e6631814SSagi Grimberg * | prot_klm | 3604e6631814SSagi Grimberg * --------------------------- 3605e6631814SSagi Grimberg * | BSF | 3606e6631814SSagi Grimberg * --------------------------- 3607e6631814SSagi Grimberg **/ 3608e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 3609e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 3610e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 3611e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 3612e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 3613e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 3614e6631814SSagi Grimberg int prot_size; 3615e6631814SSagi Grimberg 3616e6631814SSagi Grimberg sblock_ctrl = *seg; 3617e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 3618e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 3619e6631814SSagi Grimberg 3620e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 3621e6631814SSagi Grimberg if (!prot_size) { 3622e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 3623e6631814SSagi Grimberg return -EINVAL; 3624e6631814SSagi Grimberg } 3625e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 3626e6631814SSagi Grimberg prot_size); 3627e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 3628e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 3629e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 3630e6631814SSagi Grimberg 3631e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 3632e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 3633e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 36345c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 36355c273b16SSagi Grimberg 3636e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 3637e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 3638e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 3639e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 36405c273b16SSagi Grimberg 3641e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 3642e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 3643e6631814SSagi Grimberg } 3644e6631814SSagi Grimberg 3645e6631814SSagi Grimberg *seg += wqe_size; 3646e6631814SSagi Grimberg *size += wqe_size / 16; 3647e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3648e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3649e6631814SSagi Grimberg 3650e6631814SSagi Grimberg bsf = *seg; 3651e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 3652e6631814SSagi Grimberg if (ret) 3653e6631814SSagi Grimberg return -EINVAL; 3654e6631814SSagi Grimberg 3655e6631814SSagi Grimberg *seg += sizeof(*bsf); 3656e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 3657e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3658e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3659e6631814SSagi Grimberg 3660e6631814SSagi Grimberg return 0; 3661e6631814SSagi Grimberg } 3662e6631814SSagi Grimberg 3663e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 366431616255SArtemy Kovalyov struct ib_sig_handover_wr *wr, u32 size, 3665e6631814SSagi Grimberg u32 length, u32 pdn) 3666e6631814SSagi Grimberg { 3667e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 3668e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 3669d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 3670e6631814SSagi Grimberg 3671e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3672e6631814SSagi Grimberg 3673e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 3674ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 3675e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 3676d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 3677e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 3678e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 367931616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 3680e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 3681e6631814SSagi Grimberg } 3682e6631814SSagi Grimberg 3683e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 368431616255SArtemy Kovalyov u32 size) 3685e6631814SSagi Grimberg { 3686e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3687e6631814SSagi Grimberg 3688e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 368931616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 3690e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 3691e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 3692e6631814SSagi Grimberg } 3693e6631814SSagi Grimberg 3694e6631814SSagi Grimberg 3695e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, 3696e6631814SSagi Grimberg void **seg, int *size) 3697e6631814SSagi Grimberg { 3698e622f2f4SChristoph Hellwig struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 3699e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 3700e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 370131616255SArtemy Kovalyov u32 xlt_size; 3702e6631814SSagi Grimberg int region_len, ret; 3703e6631814SSagi Grimberg 3704e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 3705e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 3706d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 3707d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 3708e6631814SSagi Grimberg return -EINVAL; 3709e6631814SSagi Grimberg 3710e6631814SSagi Grimberg /* length of the protected region, data + protection */ 3711e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 3712e622f2f4SChristoph Hellwig if (wr->prot && 3713e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 3714e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 3715e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 3716e622f2f4SChristoph Hellwig region_len += wr->prot->length; 3717e6631814SSagi Grimberg 3718e6631814SSagi Grimberg /** 3719e6631814SSagi Grimberg * KLM octoword size - if protection was provided 3720e6631814SSagi Grimberg * then we use strided block format (3 octowords), 3721e6631814SSagi Grimberg * else we use single KLM (1 octoword) 3722e6631814SSagi Grimberg **/ 372331616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 3724e6631814SSagi Grimberg 372531616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 3726e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3727e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3728e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3729e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3730e6631814SSagi Grimberg 373131616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 3732e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 3733e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 3734e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 3735e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 3736e6631814SSagi Grimberg 3737e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 3738e6631814SSagi Grimberg if (ret) 3739e6631814SSagi Grimberg return ret; 3740e6631814SSagi Grimberg 3741d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 3742e6631814SSagi Grimberg return 0; 3743e6631814SSagi Grimberg } 3744e6631814SSagi Grimberg 3745e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 3746e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 3747e6631814SSagi Grimberg { 3748e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 3749e6631814SSagi Grimberg 3750e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 3751e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 3752e6631814SSagi Grimberg switch (domain->sig_type) { 375378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 375478eda2bbSSagi Grimberg break; 3755e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 3756e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 3757e6631814SSagi Grimberg domain->sig.dif.app_tag); 3758e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 3759e6631814SSagi Grimberg break; 3760e6631814SSagi Grimberg default: 376112bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 376212bbf1eaSLeon Romanovsky domain->sig_type); 376312bbf1eaSLeon Romanovsky return -EINVAL; 3764e6631814SSagi Grimberg } 3765e6631814SSagi Grimberg 376678eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 376778eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 376878eda2bbSSagi Grimberg 3769e6631814SSagi Grimberg return 0; 3770e6631814SSagi Grimberg } 3771e6631814SSagi Grimberg 37728a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 37738a187ee5SSagi Grimberg struct ib_reg_wr *wr, 37748a187ee5SSagi Grimberg void **seg, int *size) 37758a187ee5SSagi Grimberg { 37768a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 37778a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 37788a187ee5SSagi Grimberg 37798a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 37808a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 37818a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 37828a187ee5SSagi Grimberg return -EINVAL; 37838a187ee5SSagi Grimberg } 37848a187ee5SSagi Grimberg 37858a187ee5SSagi Grimberg set_reg_umr_seg(*seg, mr); 37868a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 37878a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 37888a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 37898a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 37908a187ee5SSagi Grimberg 37918a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 37928a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 37938a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 37948a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 37958a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 37968a187ee5SSagi Grimberg 37978a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 37988a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 37998a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 38008a187ee5SSagi Grimberg 38018a187ee5SSagi Grimberg return 0; 38028a187ee5SSagi Grimberg } 38038a187ee5SSagi Grimberg 3804dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 3805e126ba97SEli Cohen { 3806dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 3807e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 3808e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 3809e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3810e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3811dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 3812e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 3813e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 3814e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 3815e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 3816e126ba97SEli Cohen } 3817e126ba97SEli Cohen 3818e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 3819e126ba97SEli Cohen { 3820e126ba97SEli Cohen __be32 *p = NULL; 3821e126ba97SEli Cohen int tidx = idx; 3822e126ba97SEli Cohen int i, j; 3823e126ba97SEli Cohen 3824e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 3825e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 3826e126ba97SEli Cohen if ((i & 0xf) == 0) { 3827e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 3828e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 3829e126ba97SEli Cohen p = buf; 3830e126ba97SEli Cohen j = 0; 3831e126ba97SEli Cohen } 3832e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 3833e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 3834e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 3835e126ba97SEli Cohen } 3836e126ba97SEli Cohen } 3837e126ba97SEli Cohen 38386e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 38396e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 38406a4f139aSEli Cohen struct ib_send_wr *wr, unsigned *idx, 38416e5eadacSSagi Grimberg int *size, int nreq) 38426e5eadacSSagi Grimberg { 3843b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 3844b2a232d2SLeon Romanovsky return -ENOMEM; 38456e5eadacSSagi Grimberg 38466e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 38476e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 38486e5eadacSSagi Grimberg *ctrl = *seg; 38496e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 38506e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 38516e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 38526e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SIGNALED ? 38536e5eadacSSagi Grimberg MLX5_WQE_CTRL_CQ_UPDATE : 0) | 38546e5eadacSSagi Grimberg (wr->send_flags & IB_SEND_SOLICITED ? 38556e5eadacSSagi Grimberg MLX5_WQE_CTRL_SOLICITED : 0); 38566e5eadacSSagi Grimberg 38576e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 38586e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 38596e5eadacSSagi Grimberg 3860b2a232d2SLeon Romanovsky return 0; 38616e5eadacSSagi Grimberg } 38626e5eadacSSagi Grimberg 38636e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 38646e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 38656e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 38666e8484c5SMax Gurtovoy int nreq, u8 fence, u32 mlx5_opcode) 38676e5eadacSSagi Grimberg { 38686e5eadacSSagi Grimberg u8 opmod = 0; 38696e5eadacSSagi Grimberg 38706e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 38716e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 387219098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 38736e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 38746e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 38756e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 38766e5eadacSSagi Grimberg 38776e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 38786e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 38796e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 38806e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 38816e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 38826e5eadacSSagi Grimberg } 38836e5eadacSSagi Grimberg 38846e5eadacSSagi Grimberg 3885e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 3886e126ba97SEli Cohen struct ib_send_wr **bad_wr) 3887e126ba97SEli Cohen { 3888e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 3889e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 389089ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 3891d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 3892e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 3893e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 3894e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 3895d16e91daSHaggai Eran struct mlx5_bf *bf; 3896e126ba97SEli Cohen int uninitialized_var(size); 3897d16e91daSHaggai Eran void *qend; 3898e126ba97SEli Cohen unsigned long flags; 3899e126ba97SEli Cohen unsigned idx; 3900e126ba97SEli Cohen int err = 0; 3901e126ba97SEli Cohen int num_sge; 3902e126ba97SEli Cohen void *seg; 3903e126ba97SEli Cohen int nreq; 3904e126ba97SEli Cohen int i; 3905e126ba97SEli Cohen u8 next_fence = 0; 3906e126ba97SEli Cohen u8 fence; 3907e126ba97SEli Cohen 3908d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3909d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 3910d16e91daSHaggai Eran 3911d16e91daSHaggai Eran qp = to_mqp(ibqp); 39125fe9dec0SEli Cohen bf = &qp->bf; 3913d16e91daSHaggai Eran qend = qp->sq.qend; 3914d16e91daSHaggai Eran 3915e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 3916e126ba97SEli Cohen 391789ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 391889ea94a7SMaor Gottlieb err = -EIO; 391989ea94a7SMaor Gottlieb *bad_wr = wr; 392089ea94a7SMaor Gottlieb nreq = 0; 392189ea94a7SMaor Gottlieb goto out; 392289ea94a7SMaor Gottlieb } 392389ea94a7SMaor Gottlieb 3924e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 3925a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 3926e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 3927e126ba97SEli Cohen err = -EINVAL; 3928e126ba97SEli Cohen *bad_wr = wr; 3929e126ba97SEli Cohen goto out; 3930e126ba97SEli Cohen } 3931e126ba97SEli Cohen 3932e126ba97SEli Cohen num_sge = wr->num_sge; 3933e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 3934e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 393524be409bSChuck Lever err = -EINVAL; 3936e126ba97SEli Cohen *bad_wr = wr; 3937e126ba97SEli Cohen goto out; 3938e126ba97SEli Cohen } 3939e126ba97SEli Cohen 39406e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 39416e5eadacSSagi Grimberg if (err) { 39426e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 39436e5eadacSSagi Grimberg err = -ENOMEM; 39446e5eadacSSagi Grimberg *bad_wr = wr; 39456e5eadacSSagi Grimberg goto out; 39466e5eadacSSagi Grimberg } 3947e126ba97SEli Cohen 39486e8484c5SMax Gurtovoy if (wr->opcode == IB_WR_LOCAL_INV || 39496e8484c5SMax Gurtovoy wr->opcode == IB_WR_REG_MR) { 39506e8484c5SMax Gurtovoy fence = dev->umr_fence; 39516e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 39526e8484c5SMax Gurtovoy } else if (wr->send_flags & IB_SEND_FENCE) { 39536e8484c5SMax Gurtovoy if (qp->next_fence) 39546e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 39556e8484c5SMax Gurtovoy else 39566e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 39576e8484c5SMax Gurtovoy } else { 39586e8484c5SMax Gurtovoy fence = qp->next_fence; 39596e8484c5SMax Gurtovoy } 39606e8484c5SMax Gurtovoy 3961e126ba97SEli Cohen switch (ibqp->qp_type) { 3962e126ba97SEli Cohen case IB_QPT_XRC_INI: 3963e126ba97SEli Cohen xrc = seg; 3964e126ba97SEli Cohen seg += sizeof(*xrc); 3965e126ba97SEli Cohen size += sizeof(*xrc) / 16; 3966e126ba97SEli Cohen /* fall through */ 3967e126ba97SEli Cohen case IB_QPT_RC: 3968e126ba97SEli Cohen switch (wr->opcode) { 3969e126ba97SEli Cohen case IB_WR_RDMA_READ: 3970e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 3971e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3972e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 3973e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 3974e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 3975e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 3976e126ba97SEli Cohen break; 3977e126ba97SEli Cohen 3978e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 3979e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 3980e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 398181bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 398281bea28fSEli Cohen err = -ENOSYS; 398381bea28fSEli Cohen *bad_wr = wr; 398481bea28fSEli Cohen goto out; 3985e126ba97SEli Cohen 3986e126ba97SEli Cohen case IB_WR_LOCAL_INV: 3987e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 3988e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 3989dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 3990e126ba97SEli Cohen num_sge = 0; 3991e126ba97SEli Cohen break; 3992e126ba97SEli Cohen 39938a187ee5SSagi Grimberg case IB_WR_REG_MR: 39948a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 39958a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 39968a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 39978a187ee5SSagi Grimberg if (err) { 39988a187ee5SSagi Grimberg *bad_wr = wr; 39998a187ee5SSagi Grimberg goto out; 40008a187ee5SSagi Grimberg } 40018a187ee5SSagi Grimberg num_sge = 0; 40028a187ee5SSagi Grimberg break; 40038a187ee5SSagi Grimberg 4004e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4005e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4006e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4007e6631814SSagi Grimberg 4008e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 4009e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 4010e6631814SSagi Grimberg if (err) { 4011e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4012e6631814SSagi Grimberg *bad_wr = wr; 4013e6631814SSagi Grimberg goto out; 4014e6631814SSagi Grimberg } 4015e6631814SSagi Grimberg 40166e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40176e8484c5SMax Gurtovoy fence, MLX5_OPCODE_UMR); 4018e6631814SSagi Grimberg /* 4019e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4020e6631814SSagi Grimberg * on error 4021e6631814SSagi Grimberg */ 4022e6631814SSagi Grimberg wr->send_flags &= ~IB_SEND_SIGNALED; 4023e6631814SSagi Grimberg wr->send_flags |= IB_SEND_SOLICITED; 4024e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4025e6631814SSagi Grimberg &idx, &size, nreq); 4026e6631814SSagi Grimberg if (err) { 4027e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4028e6631814SSagi Grimberg err = -ENOMEM; 4029e6631814SSagi Grimberg *bad_wr = wr; 4030e6631814SSagi Grimberg goto out; 4031e6631814SSagi Grimberg } 4032e6631814SSagi Grimberg 4033e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4034e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4035e6631814SSagi Grimberg &size); 4036e6631814SSagi Grimberg if (err) { 4037e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4038e6631814SSagi Grimberg *bad_wr = wr; 4039e6631814SSagi Grimberg goto out; 4040e6631814SSagi Grimberg } 4041e6631814SSagi Grimberg 40426e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40436e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 4044e6631814SSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, 4045e6631814SSagi Grimberg &idx, &size, nreq); 4046e6631814SSagi Grimberg if (err) { 4047e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4048e6631814SSagi Grimberg err = -ENOMEM; 4049e6631814SSagi Grimberg *bad_wr = wr; 4050e6631814SSagi Grimberg goto out; 4051e6631814SSagi Grimberg } 4052e6631814SSagi Grimberg 4053e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4054e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4055e6631814SSagi Grimberg &size); 4056e6631814SSagi Grimberg if (err) { 4057e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4058e6631814SSagi Grimberg *bad_wr = wr; 4059e6631814SSagi Grimberg goto out; 4060e6631814SSagi Grimberg } 4061e6631814SSagi Grimberg 40626e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 40636e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 40646e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4065e6631814SSagi Grimberg num_sge = 0; 4066e6631814SSagi Grimberg goto skip_psv; 4067e6631814SSagi Grimberg 4068e126ba97SEli Cohen default: 4069e126ba97SEli Cohen break; 4070e126ba97SEli Cohen } 4071e126ba97SEli Cohen break; 4072e126ba97SEli Cohen 4073e126ba97SEli Cohen case IB_QPT_UC: 4074e126ba97SEli Cohen switch (wr->opcode) { 4075e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4076e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4077e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4078e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4079e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4080e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4081e126ba97SEli Cohen break; 4082e126ba97SEli Cohen 4083e126ba97SEli Cohen default: 4084e126ba97SEli Cohen break; 4085e126ba97SEli Cohen } 4086e126ba97SEli Cohen break; 4087e126ba97SEli Cohen 4088e126ba97SEli Cohen case IB_QPT_SMI: 40891e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 40901e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 40911e0e50b6SMaor Gottlieb err = -EPERM; 40921e0e50b6SMaor Gottlieb *bad_wr = wr; 40931e0e50b6SMaor Gottlieb goto out; 40941e0e50b6SMaor Gottlieb } 4095f6b1ee34SBart Van Assche /* fall through */ 4096d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4097e126ba97SEli Cohen set_datagram_seg(seg, wr); 4098e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4099e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4100e126ba97SEli Cohen if (unlikely((seg == qend))) 4101e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4102e126ba97SEli Cohen break; 4103f0313965SErez Shitrit case IB_QPT_UD: 4104f0313965SErez Shitrit set_datagram_seg(seg, wr); 4105f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4106f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4107e126ba97SEli Cohen 4108f0313965SErez Shitrit if (unlikely((seg == qend))) 4109f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4110f0313965SErez Shitrit 4111f0313965SErez Shitrit /* handle qp that supports ud offload */ 4112f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4113f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4114f0313965SErez Shitrit 4115f0313965SErez Shitrit pad = seg; 4116f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4117f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4118f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 4119f0313965SErez Shitrit 4120f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 4121f0313965SErez Shitrit 4122f0313965SErez Shitrit if (unlikely((seg == qend))) 4123f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4124f0313965SErez Shitrit } 4125f0313965SErez Shitrit break; 4126e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4127e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4128e126ba97SEli Cohen err = -EINVAL; 4129e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4130e126ba97SEli Cohen goto out; 4131e126ba97SEli Cohen } 4132e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4133e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4134578e7264SMaor Gottlieb set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4135e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4136e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4137e126ba97SEli Cohen if (unlikely((seg == qend))) 4138e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4139e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4140e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4141e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 4142e126ba97SEli Cohen if (unlikely((seg == qend))) 4143e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4144e126ba97SEli Cohen break; 4145e126ba97SEli Cohen 4146e126ba97SEli Cohen default: 4147e126ba97SEli Cohen break; 4148e126ba97SEli Cohen } 4149e126ba97SEli Cohen 4150e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 4151e126ba97SEli Cohen int uninitialized_var(sz); 4152e126ba97SEli Cohen 4153e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 4154e126ba97SEli Cohen if (unlikely(err)) { 4155e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4156e126ba97SEli Cohen *bad_wr = wr; 4157e126ba97SEli Cohen goto out; 4158e126ba97SEli Cohen } 4159e126ba97SEli Cohen size += sz; 4160e126ba97SEli Cohen } else { 4161e126ba97SEli Cohen dpseg = seg; 4162e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4163e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4164e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4165e126ba97SEli Cohen dpseg = seg; 4166e126ba97SEli Cohen } 4167e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4168e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4169e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4170e126ba97SEli Cohen dpseg++; 4171e126ba97SEli Cohen } 4172e126ba97SEli Cohen } 4173e126ba97SEli Cohen } 4174e126ba97SEli Cohen 41756e8484c5SMax Gurtovoy qp->next_fence = next_fence; 41766e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, 41776e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4178e6631814SSagi Grimberg skip_psv: 4179e126ba97SEli Cohen if (0) 4180e126ba97SEli Cohen dump_wqe(qp, idx, size); 4181e126ba97SEli Cohen } 4182e126ba97SEli Cohen 4183e126ba97SEli Cohen out: 4184e126ba97SEli Cohen if (likely(nreq)) { 4185e126ba97SEli Cohen qp->sq.head += nreq; 4186e126ba97SEli Cohen 4187e126ba97SEli Cohen /* Make sure that descriptors are written before 4188e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4189e126ba97SEli Cohen */ 4190e126ba97SEli Cohen wmb(); 4191e126ba97SEli Cohen 4192e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4193e126ba97SEli Cohen 4194ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4195ada388f7SEli Cohen * we hit doorbell */ 4196ada388f7SEli Cohen wmb(); 4197ada388f7SEli Cohen 41985fe9dec0SEli Cohen /* currently we support only regular doorbells */ 41995fe9dec0SEli Cohen mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); 4200e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4201e126ba97SEli Cohen * and reach the HCA out of order. 4202e126ba97SEli Cohen */ 4203e126ba97SEli Cohen mmiowb(); 4204e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4205e126ba97SEli Cohen } 4206e126ba97SEli Cohen 4207e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4208e126ba97SEli Cohen 4209e126ba97SEli Cohen return err; 4210e126ba97SEli Cohen } 4211e126ba97SEli Cohen 4212e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4213e126ba97SEli Cohen { 4214e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4215e126ba97SEli Cohen } 4216e126ba97SEli Cohen 4217e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 4218e126ba97SEli Cohen struct ib_recv_wr **bad_wr) 4219e126ba97SEli Cohen { 4220e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4221e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4222e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 422389ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 422489ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4225e126ba97SEli Cohen unsigned long flags; 4226e126ba97SEli Cohen int err = 0; 4227e126ba97SEli Cohen int nreq; 4228e126ba97SEli Cohen int ind; 4229e126ba97SEli Cohen int i; 4230e126ba97SEli Cohen 4231d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4232d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4233d16e91daSHaggai Eran 4234e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4235e126ba97SEli Cohen 423689ea94a7SMaor Gottlieb if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 423789ea94a7SMaor Gottlieb err = -EIO; 423889ea94a7SMaor Gottlieb *bad_wr = wr; 423989ea94a7SMaor Gottlieb nreq = 0; 424089ea94a7SMaor Gottlieb goto out; 424189ea94a7SMaor Gottlieb } 424289ea94a7SMaor Gottlieb 4243e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4244e126ba97SEli Cohen 4245e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4246e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4247e126ba97SEli Cohen err = -ENOMEM; 4248e126ba97SEli Cohen *bad_wr = wr; 4249e126ba97SEli Cohen goto out; 4250e126ba97SEli Cohen } 4251e126ba97SEli Cohen 4252e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4253e126ba97SEli Cohen err = -EINVAL; 4254e126ba97SEli Cohen *bad_wr = wr; 4255e126ba97SEli Cohen goto out; 4256e126ba97SEli Cohen } 4257e126ba97SEli Cohen 4258e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4259e126ba97SEli Cohen if (qp->wq_sig) 4260e126ba97SEli Cohen scat++; 4261e126ba97SEli Cohen 4262e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4263e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4264e126ba97SEli Cohen 4265e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4266e126ba97SEli Cohen scat[i].byte_count = 0; 4267e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4268e126ba97SEli Cohen scat[i].addr = 0; 4269e126ba97SEli Cohen } 4270e126ba97SEli Cohen 4271e126ba97SEli Cohen if (qp->wq_sig) { 4272e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4273e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4274e126ba97SEli Cohen } 4275e126ba97SEli Cohen 4276e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4277e126ba97SEli Cohen 4278e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4279e126ba97SEli Cohen } 4280e126ba97SEli Cohen 4281e126ba97SEli Cohen out: 4282e126ba97SEli Cohen if (likely(nreq)) { 4283e126ba97SEli Cohen qp->rq.head += nreq; 4284e126ba97SEli Cohen 4285e126ba97SEli Cohen /* Make sure that descriptors are written before 4286e126ba97SEli Cohen * doorbell record. 4287e126ba97SEli Cohen */ 4288e126ba97SEli Cohen wmb(); 4289e126ba97SEli Cohen 4290e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4291e126ba97SEli Cohen } 4292e126ba97SEli Cohen 4293e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4294e126ba97SEli Cohen 4295e126ba97SEli Cohen return err; 4296e126ba97SEli Cohen } 4297e126ba97SEli Cohen 4298e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4299e126ba97SEli Cohen { 4300e126ba97SEli Cohen switch (mlx5_state) { 4301e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4302e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4303e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4304e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4305e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4306e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4307e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4308e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4309e126ba97SEli Cohen default: return -1; 4310e126ba97SEli Cohen } 4311e126ba97SEli Cohen } 4312e126ba97SEli Cohen 4313e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4314e126ba97SEli Cohen { 4315e126ba97SEli Cohen switch (mlx5_mig_state) { 4316e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4317e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4318e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4319e126ba97SEli Cohen default: return -1; 4320e126ba97SEli Cohen } 4321e126ba97SEli Cohen } 4322e126ba97SEli Cohen 4323e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4324e126ba97SEli Cohen { 4325e126ba97SEli Cohen int ib_flags = 0; 4326e126ba97SEli Cohen 4327e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4328e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4329e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4330e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4331e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4332e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4333e126ba97SEli Cohen 4334e126ba97SEli Cohen return ib_flags; 4335e126ba97SEli Cohen } 4336e126ba97SEli Cohen 433738349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 4338d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 4339e126ba97SEli Cohen struct mlx5_qp_path *path) 4340e126ba97SEli Cohen { 43419603b61dSJack Morgenstein struct mlx5_core_dev *dev = ibdev->mdev; 4342e126ba97SEli Cohen 4343d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4344e126ba97SEli Cohen 434544c58487SDasaratharaman Chandramouli ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 4346d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4347d8966fcdSDasaratharaman Chandramouli if (rdma_ah_get_port_num(ah_attr) == 0 || 4348d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(ah_attr) > MLX5_CAP_GEN(dev, num_ports)) 4349e126ba97SEli Cohen return; 4350e126ba97SEli Cohen 4351d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4352d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 4353e126ba97SEli Cohen 4354d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 4355d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 4356d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 4357d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 4358d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 4359d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 4360d8966fcdSDasaratharaman Chandramouli 4361d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 4362d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 4363d8966fcdSDasaratharaman Chandramouli path->mgid_index, 4364d8966fcdSDasaratharaman Chandramouli path->hop_limit, 4365d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 4366d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 4367e126ba97SEli Cohen } 4368e126ba97SEli Cohen } 4369e126ba97SEli Cohen 43706d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 43716d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 43726d2f89dfSmajd@mellanox.com u8 *sq_state) 4373e126ba97SEli Cohen { 43746d2f89dfSmajd@mellanox.com void *out; 43756d2f89dfSmajd@mellanox.com void *sqc; 43766d2f89dfSmajd@mellanox.com int inlen; 43776d2f89dfSmajd@mellanox.com int err; 43786d2f89dfSmajd@mellanox.com 43796d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_sq_out); 43801b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 43816d2f89dfSmajd@mellanox.com if (!out) 43826d2f89dfSmajd@mellanox.com return -ENOMEM; 43836d2f89dfSmajd@mellanox.com 43846d2f89dfSmajd@mellanox.com err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); 43856d2f89dfSmajd@mellanox.com if (err) 43866d2f89dfSmajd@mellanox.com goto out; 43876d2f89dfSmajd@mellanox.com 43886d2f89dfSmajd@mellanox.com sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); 43896d2f89dfSmajd@mellanox.com *sq_state = MLX5_GET(sqc, sqc, state); 43906d2f89dfSmajd@mellanox.com sq->state = *sq_state; 43916d2f89dfSmajd@mellanox.com 43926d2f89dfSmajd@mellanox.com out: 43936d2f89dfSmajd@mellanox.com kvfree(out); 43946d2f89dfSmajd@mellanox.com return err; 43956d2f89dfSmajd@mellanox.com } 43966d2f89dfSmajd@mellanox.com 43976d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 43986d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 43996d2f89dfSmajd@mellanox.com u8 *rq_state) 44006d2f89dfSmajd@mellanox.com { 44016d2f89dfSmajd@mellanox.com void *out; 44026d2f89dfSmajd@mellanox.com void *rqc; 44036d2f89dfSmajd@mellanox.com int inlen; 44046d2f89dfSmajd@mellanox.com int err; 44056d2f89dfSmajd@mellanox.com 44066d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 44071b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 44086d2f89dfSmajd@mellanox.com if (!out) 44096d2f89dfSmajd@mellanox.com return -ENOMEM; 44106d2f89dfSmajd@mellanox.com 44116d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 44126d2f89dfSmajd@mellanox.com if (err) 44136d2f89dfSmajd@mellanox.com goto out; 44146d2f89dfSmajd@mellanox.com 44156d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 44166d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 44176d2f89dfSmajd@mellanox.com rq->state = *rq_state; 44186d2f89dfSmajd@mellanox.com 44196d2f89dfSmajd@mellanox.com out: 44206d2f89dfSmajd@mellanox.com kvfree(out); 44216d2f89dfSmajd@mellanox.com return err; 44226d2f89dfSmajd@mellanox.com } 44236d2f89dfSmajd@mellanox.com 44246d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 44256d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 44266d2f89dfSmajd@mellanox.com { 44276d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 44286d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 44296d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44306d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44316d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 44326d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 44336d2f89dfSmajd@mellanox.com }, 44346d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 44356d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44366d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44376d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 44386d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 44396d2f89dfSmajd@mellanox.com }, 44406d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 44416d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 44426d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 44436d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 44446d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 44456d2f89dfSmajd@mellanox.com }, 44466d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 44476d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 44486d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 44496d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 44506d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 44516d2f89dfSmajd@mellanox.com }, 44526d2f89dfSmajd@mellanox.com }; 44536d2f89dfSmajd@mellanox.com 44546d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 44556d2f89dfSmajd@mellanox.com 44566d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 44576d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 44586d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 44596d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 44606d2f89dfSmajd@mellanox.com return -EINVAL; 44616d2f89dfSmajd@mellanox.com } 44626d2f89dfSmajd@mellanox.com 44636d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 44646d2f89dfSmajd@mellanox.com *qp_state = qp->state; 44656d2f89dfSmajd@mellanox.com 44666d2f89dfSmajd@mellanox.com return 0; 44676d2f89dfSmajd@mellanox.com } 44686d2f89dfSmajd@mellanox.com 44696d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 44706d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 44716d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 44726d2f89dfSmajd@mellanox.com { 44736d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 44746d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 44756d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 44766d2f89dfSmajd@mellanox.com int err; 44776d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 44786d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 44796d2f89dfSmajd@mellanox.com 44806d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 44816d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 44826d2f89dfSmajd@mellanox.com if (err) 44836d2f89dfSmajd@mellanox.com return err; 44846d2f89dfSmajd@mellanox.com } 44856d2f89dfSmajd@mellanox.com 44866d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 44876d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 44886d2f89dfSmajd@mellanox.com if (err) 44896d2f89dfSmajd@mellanox.com return err; 44906d2f89dfSmajd@mellanox.com } 44916d2f89dfSmajd@mellanox.com 44926d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 44936d2f89dfSmajd@mellanox.com raw_packet_qp_state); 44946d2f89dfSmajd@mellanox.com } 44956d2f89dfSmajd@mellanox.com 44966d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 44976d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 44986d2f89dfSmajd@mellanox.com { 449909a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 4500e126ba97SEli Cohen struct mlx5_qp_context *context; 4501e126ba97SEli Cohen int mlx5_state; 450209a7d9ecSSaeed Mahameed u32 *outb; 4503e126ba97SEli Cohen int err = 0; 4504e126ba97SEli Cohen 450509a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 45066d2f89dfSmajd@mellanox.com if (!outb) 45076d2f89dfSmajd@mellanox.com return -ENOMEM; 45086d2f89dfSmajd@mellanox.com 450919098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 451009a7d9ecSSaeed Mahameed outlen); 4511e126ba97SEli Cohen if (err) 45126d2f89dfSmajd@mellanox.com goto out; 4513e126ba97SEli Cohen 451409a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 451509a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 451609a7d9ecSSaeed Mahameed 4517e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 4518e126ba97SEli Cohen 4519e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 4520e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 4521e126ba97SEli Cohen qp_attr->path_mig_state = 4522e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 4523e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 4524e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 4525e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 4526e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 4527e126ba97SEli Cohen qp_attr->qp_access_flags = 4528e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 4529e126ba97SEli Cohen 4530e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 453138349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 453238349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 4533d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 4534d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 4535d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 4536d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 4537e126ba97SEli Cohen } 4538e126ba97SEli Cohen 4539d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 4540e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 4541e126ba97SEli Cohen 4542e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 4543e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 4544e126ba97SEli Cohen 4545e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 4546e126ba97SEli Cohen 4547e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 4548e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 4549e126ba97SEli Cohen qp_attr->min_rnr_timer = 4550e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 4551e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 4552e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 4553e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 4554e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 45556d2f89dfSmajd@mellanox.com 45566d2f89dfSmajd@mellanox.com out: 45576d2f89dfSmajd@mellanox.com kfree(outb); 45586d2f89dfSmajd@mellanox.com return err; 45596d2f89dfSmajd@mellanox.com } 45606d2f89dfSmajd@mellanox.com 45616d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 45626d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 45636d2f89dfSmajd@mellanox.com { 45646d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 45656d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 45666d2f89dfSmajd@mellanox.com int err = 0; 45676d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 45686d2f89dfSmajd@mellanox.com 456928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 457028d61370SYishai Hadas return -ENOSYS; 457128d61370SYishai Hadas 4572d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4573d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 4574d16e91daSHaggai Eran qp_init_attr); 4575d16e91daSHaggai Eran 4576c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 4577c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 4578c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 4579c2e53b2cSYishai Hadas 45806d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 45816d2f89dfSmajd@mellanox.com 4582c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 4583c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 45846d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 45856d2f89dfSmajd@mellanox.com if (err) 45866d2f89dfSmajd@mellanox.com goto out; 45876d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 45886d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 45896d2f89dfSmajd@mellanox.com } else { 45906d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 45916d2f89dfSmajd@mellanox.com if (err) 45926d2f89dfSmajd@mellanox.com goto out; 45936d2f89dfSmajd@mellanox.com } 45946d2f89dfSmajd@mellanox.com 45956d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 4596e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 4597e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 4598e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 4599e126ba97SEli Cohen 4600e126ba97SEli Cohen if (!ibqp->uobject) { 46010540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 4602e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 46030540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 4604e126ba97SEli Cohen } else { 4605e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 4606e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 4607e126ba97SEli Cohen } 4608e126ba97SEli Cohen 46090540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 46100540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 46110540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 46120540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 46130540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 4614e126ba97SEli Cohen 4615e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 4616e126ba97SEli Cohen 4617e126ba97SEli Cohen qp_init_attr->create_flags = 0; 4618e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 4619e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 4620e126ba97SEli Cohen 4621051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 4622051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 4623051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 4624051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 4625051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 4626051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 4627b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 4628b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 4629051f2630SLeon Romanovsky 4630e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 4631e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 4632e126ba97SEli Cohen 4633e126ba97SEli Cohen out: 4634e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4635e126ba97SEli Cohen return err; 4636e126ba97SEli Cohen } 4637e126ba97SEli Cohen 4638e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 4639e126ba97SEli Cohen struct ib_ucontext *context, 4640e126ba97SEli Cohen struct ib_udata *udata) 4641e126ba97SEli Cohen { 4642e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 4643e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 4644e126ba97SEli Cohen int err; 4645e126ba97SEli Cohen 4646938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 4647e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 4648e126ba97SEli Cohen 4649e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 4650e126ba97SEli Cohen if (!xrcd) 4651e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4652e126ba97SEli Cohen 46539603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 4654e126ba97SEli Cohen if (err) { 4655e126ba97SEli Cohen kfree(xrcd); 4656e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 4657e126ba97SEli Cohen } 4658e126ba97SEli Cohen 4659e126ba97SEli Cohen return &xrcd->ibxrcd; 4660e126ba97SEli Cohen } 4661e126ba97SEli Cohen 4662e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 4663e126ba97SEli Cohen { 4664e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 4665e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 4666e126ba97SEli Cohen int err; 4667e126ba97SEli Cohen 46689603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 4669e126ba97SEli Cohen if (err) { 4670e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 4671e126ba97SEli Cohen return err; 4672e126ba97SEli Cohen } 4673e126ba97SEli Cohen 4674e126ba97SEli Cohen kfree(xrcd); 4675e126ba97SEli Cohen 4676e126ba97SEli Cohen return 0; 4677e126ba97SEli Cohen } 467879b20a6cSYishai Hadas 4679350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 4680350d0e4cSYishai Hadas { 4681350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 4682350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 4683350d0e4cSYishai Hadas struct ib_event event; 4684350d0e4cSYishai Hadas 4685350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 4686350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 4687350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 4688350d0e4cSYishai Hadas switch (type) { 4689350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 4690350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 4691350d0e4cSYishai Hadas break; 4692350d0e4cSYishai Hadas default: 4693350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 4694350d0e4cSYishai Hadas return; 4695350d0e4cSYishai Hadas } 4696350d0e4cSYishai Hadas 4697350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 4698350d0e4cSYishai Hadas } 4699350d0e4cSYishai Hadas } 4700350d0e4cSYishai Hadas 470103404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 470203404e8aSMaor Gottlieb { 470303404e8aSMaor Gottlieb int err = 0; 470403404e8aSMaor Gottlieb 470503404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 470603404e8aSMaor Gottlieb if (dev->delay_drop.activate) 470703404e8aSMaor Gottlieb goto out; 470803404e8aSMaor Gottlieb 470903404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 471003404e8aSMaor Gottlieb if (err) 471103404e8aSMaor Gottlieb goto out; 471203404e8aSMaor Gottlieb 471303404e8aSMaor Gottlieb dev->delay_drop.activate = true; 471403404e8aSMaor Gottlieb out: 471503404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 4716fe248c3aSMaor Gottlieb 4717fe248c3aSMaor Gottlieb if (!err) 4718fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 471903404e8aSMaor Gottlieb return err; 472003404e8aSMaor Gottlieb } 472103404e8aSMaor Gottlieb 472279b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 472379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 472479b20a6cSYishai Hadas { 472579b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 47264be6da1eSNoa Osherovich int has_net_offloads; 472779b20a6cSYishai Hadas __be64 *rq_pas0; 472879b20a6cSYishai Hadas void *in; 472979b20a6cSYishai Hadas void *rqc; 473079b20a6cSYishai Hadas void *wq; 473179b20a6cSYishai Hadas int inlen; 473279b20a6cSYishai Hadas int err; 473379b20a6cSYishai Hadas 473479b20a6cSYishai Hadas dev = to_mdev(pd->device); 473579b20a6cSYishai Hadas 473679b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 47371b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 473879b20a6cSYishai Hadas if (!in) 473979b20a6cSYishai Hadas return -ENOMEM; 474079b20a6cSYishai Hadas 474179b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 474279b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 474379b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 474479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 474579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 474679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 474779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 474879b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 4749ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 4750ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 4751ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 475279b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 475379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 4754ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 4755ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 4756ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 4757ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 4758ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 4759ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 4760ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 4761ccc87087SNoa Osherovich } 476279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 476379b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 476479b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 476579b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 476679b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 476779b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 47684be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 4769b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 47704be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 4771b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 4772b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 4773b1f74a84SNoa Osherovich goto out; 4774b1f74a84SNoa Osherovich } 4775b1f74a84SNoa Osherovich } else { 4776b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 4777b1f74a84SNoa Osherovich } 47784be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 47794be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 47804be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 47814be6da1eSNoa Osherovich err = -EOPNOTSUPP; 47824be6da1eSNoa Osherovich goto out; 47834be6da1eSNoa Osherovich } 47844be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 47854be6da1eSNoa Osherovich } 478603404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 478703404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 478803404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 478903404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 479003404e8aSMaor Gottlieb err = -EOPNOTSUPP; 479103404e8aSMaor Gottlieb goto out; 479203404e8aSMaor Gottlieb } 479303404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 479403404e8aSMaor Gottlieb } 479579b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 479679b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 4797350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 479803404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 479903404e8aSMaor Gottlieb err = set_delay_drop(dev); 480003404e8aSMaor Gottlieb if (err) { 480103404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 480203404e8aSMaor Gottlieb err); 480303404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 480403404e8aSMaor Gottlieb } else { 480503404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 480603404e8aSMaor Gottlieb } 480703404e8aSMaor Gottlieb } 4808b1f74a84SNoa Osherovich out: 480979b20a6cSYishai Hadas kvfree(in); 481079b20a6cSYishai Hadas return err; 481179b20a6cSYishai Hadas } 481279b20a6cSYishai Hadas 481379b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 481479b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 481579b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 481679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 481779b20a6cSYishai Hadas { 481879b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 481979b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 482079b20a6cSYishai Hadas return -EINVAL; 482179b20a6cSYishai Hadas 482279b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 482379b20a6cSYishai Hadas return -EINVAL; 482479b20a6cSYishai Hadas 482579b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 482679b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 482779b20a6cSYishai Hadas rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); 482879b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 482979b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 483079b20a6cSYishai Hadas return 0; 483179b20a6cSYishai Hadas } 483279b20a6cSYishai Hadas 483379b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 483479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 483579b20a6cSYishai Hadas struct ib_udata *udata, 483679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 483779b20a6cSYishai Hadas { 483879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 483979b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 484079b20a6cSYishai Hadas int err; 484179b20a6cSYishai Hadas size_t required_cmd_sz; 484279b20a6cSYishai Hadas 4843ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 4844ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 484579b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 484679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 484779b20a6cSYishai Hadas return -EINVAL; 484879b20a6cSYishai Hadas } 484979b20a6cSYishai Hadas 485079b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 485179b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 485279b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 485379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 485479b20a6cSYishai Hadas return -EOPNOTSUPP; 485579b20a6cSYishai Hadas } 485679b20a6cSYishai Hadas 485779b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 485879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 485979b20a6cSYishai Hadas return -EFAULT; 486079b20a6cSYishai Hadas } 486179b20a6cSYishai Hadas 4862ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 486379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 486479b20a6cSYishai Hadas return -EOPNOTSUPP; 4865ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 4866ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 4867ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 486879b20a6cSYishai Hadas return -EOPNOTSUPP; 486979b20a6cSYishai Hadas } 4870ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 4871ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 4872ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 4873ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 4874ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 4875ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 4876ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 4877ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 4878ccc87087SNoa Osherovich return -EINVAL; 4879ccc87087SNoa Osherovich } 4880ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 4881ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 4882ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 4883ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 4884ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 4885ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 4886ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 4887ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 4888ccc87087SNoa Osherovich return -EINVAL; 4889ccc87087SNoa Osherovich } 4890ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 4891ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 4892ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 4893ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 4894ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 4895ccc87087SNoa Osherovich } 489679b20a6cSYishai Hadas 489779b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 489879b20a6cSYishai Hadas if (err) { 489979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 490079b20a6cSYishai Hadas return err; 490179b20a6cSYishai Hadas } 490279b20a6cSYishai Hadas 490379b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 490479b20a6cSYishai Hadas if (err) { 490579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 490679b20a6cSYishai Hadas if (err) 490779b20a6cSYishai Hadas return err; 490879b20a6cSYishai Hadas } 490979b20a6cSYishai Hadas 491079b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 491179b20a6cSYishai Hadas return 0; 491279b20a6cSYishai Hadas } 491379b20a6cSYishai Hadas 491479b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 491579b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 491679b20a6cSYishai Hadas struct ib_udata *udata) 491779b20a6cSYishai Hadas { 491879b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 491979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 492079b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 492179b20a6cSYishai Hadas size_t min_resp_len; 492279b20a6cSYishai Hadas int err; 492379b20a6cSYishai Hadas 492479b20a6cSYishai Hadas if (!udata) 492579b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 492679b20a6cSYishai Hadas 492779b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 492879b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 492979b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 493079b20a6cSYishai Hadas 493179b20a6cSYishai Hadas dev = to_mdev(pd->device); 493279b20a6cSYishai Hadas switch (init_attr->wq_type) { 493379b20a6cSYishai Hadas case IB_WQT_RQ: 493479b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 493579b20a6cSYishai Hadas if (!rwq) 493679b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 493779b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 493879b20a6cSYishai Hadas if (err) 493979b20a6cSYishai Hadas goto err; 494079b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 494179b20a6cSYishai Hadas if (err) 494279b20a6cSYishai Hadas goto err_user_rq; 494379b20a6cSYishai Hadas break; 494479b20a6cSYishai Hadas default: 494579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 494679b20a6cSYishai Hadas init_attr->wq_type); 494779b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 494879b20a6cSYishai Hadas } 494979b20a6cSYishai Hadas 4950350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 495179b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 495279b20a6cSYishai Hadas if (udata->outlen) { 495379b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 495479b20a6cSYishai Hadas sizeof(resp.response_length); 495579b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 495679b20a6cSYishai Hadas if (err) 495779b20a6cSYishai Hadas goto err_copy; 495879b20a6cSYishai Hadas } 495979b20a6cSYishai Hadas 4960350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 4961350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 496279b20a6cSYishai Hadas return &rwq->ibwq; 496379b20a6cSYishai Hadas 496479b20a6cSYishai Hadas err_copy: 4965350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 496679b20a6cSYishai Hadas err_user_rq: 4967fe248c3aSMaor Gottlieb destroy_user_rq(dev, pd, rwq); 496879b20a6cSYishai Hadas err: 496979b20a6cSYishai Hadas kfree(rwq); 497079b20a6cSYishai Hadas return ERR_PTR(err); 497179b20a6cSYishai Hadas } 497279b20a6cSYishai Hadas 497379b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 497479b20a6cSYishai Hadas { 497579b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 497679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 497779b20a6cSYishai Hadas 4978350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 4979fe248c3aSMaor Gottlieb destroy_user_rq(dev, wq->pd, rwq); 498079b20a6cSYishai Hadas kfree(rwq); 498179b20a6cSYishai Hadas 498279b20a6cSYishai Hadas return 0; 498379b20a6cSYishai Hadas } 498479b20a6cSYishai Hadas 4985c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 4986c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 4987c5f90929SYishai Hadas struct ib_udata *udata) 4988c5f90929SYishai Hadas { 4989c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 4990c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 4991c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 4992c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 4993c5f90929SYishai Hadas size_t min_resp_len; 4994c5f90929SYishai Hadas int inlen; 4995c5f90929SYishai Hadas int err; 4996c5f90929SYishai Hadas int i; 4997c5f90929SYishai Hadas u32 *in; 4998c5f90929SYishai Hadas void *rqtc; 4999c5f90929SYishai Hadas 5000c5f90929SYishai Hadas if (udata->inlen > 0 && 5001c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5002c5f90929SYishai Hadas udata->inlen)) 5003c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5004c5f90929SYishai Hadas 5005efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5006efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5007efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5008efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5009efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5010efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5011efd7f400SMaor Gottlieb } 5012efd7f400SMaor Gottlieb 5013c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5014c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5015c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5016c5f90929SYishai Hadas 5017c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5018c5f90929SYishai Hadas if (!rwq_ind_tbl) 5019c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5020c5f90929SYishai Hadas 5021c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 50221b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5023c5f90929SYishai Hadas if (!in) { 5024c5f90929SYishai Hadas err = -ENOMEM; 5025c5f90929SYishai Hadas goto err; 5026c5f90929SYishai Hadas } 5027c5f90929SYishai Hadas 5028c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5029c5f90929SYishai Hadas 5030c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5031c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5032c5f90929SYishai Hadas 5033c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5034c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5035c5f90929SYishai Hadas 5036c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5037c5f90929SYishai Hadas kvfree(in); 5038c5f90929SYishai Hadas 5039c5f90929SYishai Hadas if (err) 5040c5f90929SYishai Hadas goto err; 5041c5f90929SYishai Hadas 5042c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5043c5f90929SYishai Hadas if (udata->outlen) { 5044c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5045c5f90929SYishai Hadas sizeof(resp.response_length); 5046c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5047c5f90929SYishai Hadas if (err) 5048c5f90929SYishai Hadas goto err_copy; 5049c5f90929SYishai Hadas } 5050c5f90929SYishai Hadas 5051c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5052c5f90929SYishai Hadas 5053c5f90929SYishai Hadas err_copy: 5054c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5055c5f90929SYishai Hadas err: 5056c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5057c5f90929SYishai Hadas return ERR_PTR(err); 5058c5f90929SYishai Hadas } 5059c5f90929SYishai Hadas 5060c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5061c5f90929SYishai Hadas { 5062c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5063c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5064c5f90929SYishai Hadas 5065c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5066c5f90929SYishai Hadas 5067c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5068c5f90929SYishai Hadas return 0; 5069c5f90929SYishai Hadas } 5070c5f90929SYishai Hadas 507179b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 507279b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 507379b20a6cSYishai Hadas { 507479b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 507579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 507679b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 507779b20a6cSYishai Hadas size_t required_cmd_sz; 507879b20a6cSYishai Hadas int curr_wq_state; 507979b20a6cSYishai Hadas int wq_state; 508079b20a6cSYishai Hadas int inlen; 508179b20a6cSYishai Hadas int err; 508279b20a6cSYishai Hadas void *rqc; 508379b20a6cSYishai Hadas void *in; 508479b20a6cSYishai Hadas 508579b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 508679b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 508779b20a6cSYishai Hadas return -EINVAL; 508879b20a6cSYishai Hadas 508979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 509079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 509179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 509279b20a6cSYishai Hadas return -EOPNOTSUPP; 509379b20a6cSYishai Hadas 509479b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 509579b20a6cSYishai Hadas return -EFAULT; 509679b20a6cSYishai Hadas 509779b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 509879b20a6cSYishai Hadas return -EOPNOTSUPP; 509979b20a6cSYishai Hadas 510079b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 51011b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 510279b20a6cSYishai Hadas if (!in) 510379b20a6cSYishai Hadas return -ENOMEM; 510479b20a6cSYishai Hadas 510579b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 510679b20a6cSYishai Hadas 510779b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 510879b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 510979b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 511079b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 511179b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 511279b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 511379b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 511479b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 511579b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 511679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 511779b20a6cSYishai Hadas 5118b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5119b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5120b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5121b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5122b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5123b1f74a84SNoa Osherovich "supported\n"); 5124b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5125b1f74a84SNoa Osherovich goto out; 5126b1f74a84SNoa Osherovich } 5127b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5128b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5129b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5130b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5131b1f74a84SNoa Osherovich } 5132b1f74a84SNoa Osherovich } 5133b1f74a84SNoa Osherovich 513423a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 513523a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 513623a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 513723a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 5138e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 5139e1f24a79SParav Pandit dev->port->cnts.set_id); 514023a6964eSMajd Dibbiny } else 514123a6964eSMajd Dibbiny pr_info_once("%s: Receive WQ counters are not supported on current FW\n", 514223a6964eSMajd Dibbiny dev->ib_dev.name); 514323a6964eSMajd Dibbiny } 514423a6964eSMajd Dibbiny 5145350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 514679b20a6cSYishai Hadas if (!err) 514779b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 514879b20a6cSYishai Hadas 5149b1f74a84SNoa Osherovich out: 5150b1f74a84SNoa Osherovich kvfree(in); 515179b20a6cSYishai Hadas return err; 515279b20a6cSYishai Hadas } 5153