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" 39b96c9ddeSMark Bloch #include "ib_rep.h" 40443c1cf9SYishai Hadas #include "cmd.h" 41e126ba97SEli Cohen 42e126ba97SEli Cohen /* not supported currently */ 43e126ba97SEli Cohen static int wq_signature; 44e126ba97SEli Cohen 45e126ba97SEli Cohen enum { 46e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 47e126ba97SEli Cohen }; 48e126ba97SEli Cohen 49e126ba97SEli Cohen enum { 50e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 51e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 52e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 54e126ba97SEli Cohen }; 55e126ba97SEli Cohen 56e126ba97SEli Cohen enum { 57e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 58064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, 59e126ba97SEli Cohen }; 60e126ba97SEli Cohen 61e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 62e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 63f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 64e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 65e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 66e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 67e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 68e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 69e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 70e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 71e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 728a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 73e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 74e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 75e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 76e126ba97SEli Cohen }; 77e126ba97SEli Cohen 78f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 79f0313965SErez Shitrit u8 rsvd0[16]; 80f0313965SErez Shitrit }; 81e126ba97SEli Cohen 82eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 83eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 847d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 85eb49ab0cSAlex Vesker }; 86eb49ab0cSAlex Vesker 870680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 880680efa2SAlex Vesker u16 operation; 89eb49ab0cSAlex Vesker 90eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 9161147f39SBodong Wang 9261147f39SBodong Wang struct mlx5_rate_limit rl; 9361147f39SBodong Wang 94eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 950680efa2SAlex Vesker }; 960680efa2SAlex Vesker 9789ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9889ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 9989ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10089ea94a7SMaor Gottlieb 101e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 102e126ba97SEli Cohen { 103e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 104e126ba97SEli Cohen } 105e126ba97SEli Cohen 106e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 107e126ba97SEli Cohen { 108e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 109e126ba97SEli Cohen } 110e126ba97SEli Cohen 111c1395a2aSHaggai Eran /** 112c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 113c1395a2aSHaggai Eran * 114c1395a2aSHaggai Eran * @qp: QP to copy from. 115c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 116c1395a2aSHaggai Eran * otherwise. 117c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 118c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 119c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 120c1395a2aSHaggai Eran * element in the queue. 121c1395a2aSHaggai Eran * @buffer: destination buffer. 122c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 123c1395a2aSHaggai Eran * 124c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 125c1395a2aSHaggai Eran * 126c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 127c1395a2aSHaggai Eran */ 128c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 12919098df2Smajd@mellanox.com void *buffer, u32 length, 13019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 131c1395a2aSHaggai Eran { 132c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 133c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 134c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 135c1395a2aSHaggai Eran size_t offset; 136c1395a2aSHaggai Eran size_t wq_end; 13719098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 138c1395a2aSHaggai Eran u32 first_copy_length; 139c1395a2aSHaggai Eran int wqe_length; 140c1395a2aSHaggai Eran int ret; 141c1395a2aSHaggai Eran 142c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 143c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 144c1395a2aSHaggai Eran qp->ibqp.qp_type); 145c1395a2aSHaggai Eran return -EINVAL; 146c1395a2aSHaggai Eran } 147c1395a2aSHaggai Eran 148c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 149c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 150c1395a2aSHaggai Eran 151c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 152c1395a2aSHaggai Eran return -EINVAL; 153c1395a2aSHaggai Eran 154c1395a2aSHaggai Eran if (offset > umem->length || 155c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 156c1395a2aSHaggai Eran return -EINVAL; 157c1395a2aSHaggai Eran 158c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 159c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 160c1395a2aSHaggai Eran if (ret) 161c1395a2aSHaggai Eran return ret; 162c1395a2aSHaggai Eran 163c1395a2aSHaggai Eran if (send) { 164c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 165c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 166c1395a2aSHaggai Eran 167c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 168c1395a2aSHaggai Eran } else { 169c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 170c1395a2aSHaggai Eran } 171c1395a2aSHaggai Eran 172c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 173c1395a2aSHaggai Eran return first_copy_length; 174c1395a2aSHaggai Eran 175c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 176c1395a2aSHaggai Eran wqe_length - first_copy_length); 177c1395a2aSHaggai Eran if (ret) 178c1395a2aSHaggai Eran return ret; 179c1395a2aSHaggai Eran 180c1395a2aSHaggai Eran return wqe_length; 181c1395a2aSHaggai Eran } 182c1395a2aSHaggai Eran 183e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 184e126ba97SEli Cohen { 185e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 186e126ba97SEli Cohen struct ib_event event; 187e126ba97SEli Cohen 18819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 18919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 19019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 19119098df2Smajd@mellanox.com } 192e126ba97SEli Cohen 193e126ba97SEli Cohen if (ibqp->event_handler) { 194e126ba97SEli Cohen event.device = ibqp->device; 195e126ba97SEli Cohen event.element.qp = ibqp; 196e126ba97SEli Cohen switch (type) { 197e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 198e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 199e126ba97SEli Cohen break; 200e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 201e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 202e126ba97SEli Cohen break; 203e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 204e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 205e126ba97SEli Cohen break; 206e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 207e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 208e126ba97SEli Cohen break; 209e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 210e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 211e126ba97SEli Cohen break; 212e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 213e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 214e126ba97SEli Cohen break; 215e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 216e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 217e126ba97SEli Cohen break; 218e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 219e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 220e126ba97SEli Cohen break; 221e126ba97SEli Cohen default: 222e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 223e126ba97SEli Cohen return; 224e126ba97SEli Cohen } 225e126ba97SEli Cohen 226e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 227e126ba97SEli Cohen } 228e126ba97SEli Cohen } 229e126ba97SEli Cohen 230e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 231e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 232e126ba97SEli Cohen { 233e126ba97SEli Cohen int wqe_size; 234e126ba97SEli Cohen int wq_size; 235e126ba97SEli Cohen 236e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 237938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 238e126ba97SEli Cohen return -EINVAL; 239e126ba97SEli Cohen 240e126ba97SEli Cohen if (!has_rq) { 241e126ba97SEli Cohen qp->rq.max_gs = 0; 242e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 243e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2440540d814SNoa Osherovich cap->max_recv_wr = 0; 2450540d814SNoa Osherovich cap->max_recv_sge = 0; 246e126ba97SEli Cohen } else { 247e126ba97SEli Cohen if (ucmd) { 248e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 249002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 250002bf228SLeon Romanovsky return -EINVAL; 251e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 252002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 253002bf228SLeon Romanovsky return -EINVAL; 254e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 255e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 256e126ba97SEli Cohen } else { 257e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 258e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 259e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 260e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 261e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 262e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 263938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 264e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 265e126ba97SEli Cohen wqe_size, 266938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 267938fe83cSSaeed Mahameed max_wqe_sz_rq)); 268e126ba97SEli Cohen return -EINVAL; 269e126ba97SEli Cohen } 270e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 271e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 272e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 273e126ba97SEli Cohen } 274e126ba97SEli Cohen } 275e126ba97SEli Cohen 276e126ba97SEli Cohen return 0; 277e126ba97SEli Cohen } 278e126ba97SEli Cohen 279f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 280e126ba97SEli Cohen { 281618af384SAndi Shyti int size = 0; 282e126ba97SEli Cohen 283f0313965SErez Shitrit switch (attr->qp_type) { 284e126ba97SEli Cohen case IB_QPT_XRC_INI: 285b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 286e126ba97SEli Cohen /* fall through */ 287e126ba97SEli Cohen case IB_QPT_RC: 288e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 28975c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 29075c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 29175c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 292064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 293064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 294064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 295e126ba97SEli Cohen break; 296e126ba97SEli Cohen 297b125a54bSEli Cohen case IB_QPT_XRC_TGT: 298b125a54bSEli Cohen return 0; 299b125a54bSEli Cohen 300e126ba97SEli Cohen case IB_QPT_UC: 301b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 30275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 3039e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 30475c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 305e126ba97SEli Cohen break; 306e126ba97SEli Cohen 307e126ba97SEli Cohen case IB_QPT_UD: 308f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 309f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 310f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 311f0313965SErez Shitrit /* fall through */ 312e126ba97SEli Cohen case IB_QPT_SMI: 313d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 314b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 315e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 316e126ba97SEli Cohen break; 317e126ba97SEli Cohen 318e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 319b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 320e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 321e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 322e126ba97SEli Cohen break; 323e126ba97SEli Cohen 324e126ba97SEli Cohen default: 325e126ba97SEli Cohen return -EINVAL; 326e126ba97SEli Cohen } 327e126ba97SEli Cohen 328e126ba97SEli Cohen return size; 329e126ba97SEli Cohen } 330e126ba97SEli Cohen 331e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 332e126ba97SEli Cohen { 333e126ba97SEli Cohen int inl_size = 0; 334e126ba97SEli Cohen int size; 335e126ba97SEli Cohen 336f0313965SErez Shitrit size = sq_overhead(attr); 337e126ba97SEli Cohen if (size < 0) 338e126ba97SEli Cohen return size; 339e126ba97SEli Cohen 340e126ba97SEli Cohen if (attr->cap.max_inline_data) { 341e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 342e126ba97SEli Cohen attr->cap.max_inline_data; 343e126ba97SEli Cohen } 344e126ba97SEli Cohen 345e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 346e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 347e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 348e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 349e1e66cc2SSagi Grimberg else 350e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 351e126ba97SEli Cohen } 352e126ba97SEli Cohen 353288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 354288c01b7SEli Cohen { 355288c01b7SEli Cohen int max_sge; 356288c01b7SEli Cohen 357288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 358288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 359288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 360288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 361288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 362288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 363288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 364288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 365288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 366288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 367288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 368288c01b7SEli Cohen else 369288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 370288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 371288c01b7SEli Cohen 372288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 373288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 374288c01b7SEli Cohen } 375288c01b7SEli Cohen 376e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 377e126ba97SEli Cohen struct mlx5_ib_qp *qp) 378e126ba97SEli Cohen { 379e126ba97SEli Cohen int wqe_size; 380e126ba97SEli Cohen int wq_size; 381e126ba97SEli Cohen 382e126ba97SEli Cohen if (!attr->cap.max_send_wr) 383e126ba97SEli Cohen return 0; 384e126ba97SEli Cohen 385e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 386e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 387e126ba97SEli Cohen if (wqe_size < 0) 388e126ba97SEli Cohen return wqe_size; 389e126ba97SEli Cohen 390938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 391b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 392938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 393e126ba97SEli Cohen return -EINVAL; 394e126ba97SEli Cohen } 395e126ba97SEli Cohen 396f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 397e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 398e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 399e126ba97SEli Cohen 400e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 401e1e66cc2SSagi Grimberg qp->signature_en = true; 402e1e66cc2SSagi Grimberg 403e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 404e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 405938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 4061974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 4071974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 408938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 409938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 410b125a54bSEli Cohen return -ENOMEM; 411b125a54bSEli Cohen } 412e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 413288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 414288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 415288c01b7SEli Cohen return -ENOMEM; 416288c01b7SEli Cohen 417288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 418b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 419b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 420e126ba97SEli Cohen 421e126ba97SEli Cohen return wq_size; 422e126ba97SEli Cohen } 423e126ba97SEli Cohen 424e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 425e126ba97SEli Cohen struct mlx5_ib_qp *qp, 42619098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 4270fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 4280fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 429e126ba97SEli Cohen { 430e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 431e126ba97SEli Cohen 432938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 433e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 434938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 435e126ba97SEli Cohen return -EINVAL; 436e126ba97SEli Cohen } 437e126ba97SEli Cohen 438e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 439e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 440e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 441e126ba97SEli Cohen return -EINVAL; 442e126ba97SEli Cohen } 443e126ba97SEli Cohen 444e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 445e126ba97SEli Cohen 446938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 447e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 448938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 449938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 450e126ba97SEli Cohen return -EINVAL; 451e126ba97SEli Cohen } 452e126ba97SEli Cohen 453c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 454c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 4550fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4560fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4570fb2ed66Smajd@mellanox.com } else { 45819098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 459e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4600fb2ed66Smajd@mellanox.com } 461e126ba97SEli Cohen 462e126ba97SEli Cohen return 0; 463e126ba97SEli Cohen } 464e126ba97SEli Cohen 465e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 466e126ba97SEli Cohen { 467e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 468e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 469e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 470e126ba97SEli Cohen !attr->cap.max_recv_wr) 471e126ba97SEli Cohen return 0; 472e126ba97SEli Cohen 473e126ba97SEli Cohen return 1; 474e126ba97SEli Cohen } 475e126ba97SEli Cohen 4760b80c14fSEli Cohen enum { 4770b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 4780b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 4790b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 4800b80c14fSEli Cohen * "odd/even" order 4810b80c14fSEli Cohen */ 4820b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 4830b80c14fSEli Cohen }; 4840b80c14fSEli Cohen 485b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 486b037c29aSEli Cohen { 48731a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 488b037c29aSEli Cohen } 489b037c29aSEli Cohen 490b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 491b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 492c1be5232SEli Cohen { 493c1be5232SEli Cohen int n; 494c1be5232SEli Cohen 495b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 496b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 497c1be5232SEli Cohen 498c1be5232SEli Cohen return n >= 0 ? n : 0; 499c1be5232SEli Cohen } 500c1be5232SEli Cohen 50118b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 50218b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 50318b0362eSYishai Hadas { 50418b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 50518b0362eSYishai Hadas } 50618b0362eSYishai Hadas 507b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 508b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 509c1be5232SEli Cohen { 510c1be5232SEli Cohen int med; 511c1be5232SEli Cohen 512b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 513b037c29aSEli Cohen return ++med; 514c1be5232SEli Cohen } 515c1be5232SEli Cohen 516b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 517b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 518e126ba97SEli Cohen { 519e126ba97SEli Cohen int i; 520e126ba97SEli Cohen 521b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 522b037c29aSEli Cohen if (!bfregi->count[i]) { 5232f5ff264SEli Cohen bfregi->count[i]++; 524e126ba97SEli Cohen return i; 525e126ba97SEli Cohen } 526e126ba97SEli Cohen } 527e126ba97SEli Cohen 528e126ba97SEli Cohen return -ENOMEM; 529e126ba97SEli Cohen } 530e126ba97SEli Cohen 531b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 532b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 533e126ba97SEli Cohen { 53418b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 535e126ba97SEli Cohen int i; 536e126ba97SEli Cohen 53718b0362eSYishai Hadas if (minidx < 0) 53818b0362eSYishai Hadas return minidx; 53918b0362eSYishai Hadas 54018b0362eSYishai Hadas for (i = minidx; 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, 552ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 553e126ba97SEli Cohen { 554ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 555e126ba97SEli Cohen 5562f5ff264SEli Cohen mutex_lock(&bfregi->lock); 557ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 558ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 559ffaf58deSLeon Romanovsky if (bfregn < 0) 560ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 561ffaf58deSLeon Romanovsky } 562ffaf58deSLeon Romanovsky 563ffaf58deSLeon Romanovsky if (bfregn < 0) { 5640b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 5652f5ff264SEli Cohen bfregn = 0; 5662f5ff264SEli Cohen bfregi->count[bfregn]++; 567e126ba97SEli Cohen } 5682f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 569e126ba97SEli Cohen 5702f5ff264SEli Cohen return bfregn; 571e126ba97SEli Cohen } 572e126ba97SEli Cohen 5734ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 574e126ba97SEli Cohen { 5752f5ff264SEli Cohen mutex_lock(&bfregi->lock); 576b037c29aSEli Cohen bfregi->count[bfregn]--; 5772f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 578e126ba97SEli Cohen } 579e126ba97SEli Cohen 580e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 581e126ba97SEli Cohen { 582e126ba97SEli Cohen switch (state) { 583e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 584e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 585e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 586e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 587e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 588e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 589e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 590e126ba97SEli Cohen default: return -1; 591e126ba97SEli Cohen } 592e126ba97SEli Cohen } 593e126ba97SEli Cohen 594e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 595e126ba97SEli Cohen { 596e126ba97SEli Cohen switch (type) { 597e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 598e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 599e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 600e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 601e126ba97SEli Cohen case IB_QPT_XRC_INI: 602e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 603e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 604d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 605c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 606e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 607e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6080fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 609e126ba97SEli Cohen case IB_QPT_MAX: 610e126ba97SEli Cohen default: return -EINVAL; 611e126ba97SEli Cohen } 612e126ba97SEli Cohen } 613e126ba97SEli Cohen 61489ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 61589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 61689ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 61789ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 61889ea94a7SMaor Gottlieb 6197c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 62005f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 6211ee47ab3SYishai Hadas bool dyn_bfreg) 622e126ba97SEli Cohen { 62305f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 62405f58cebSLeon Romanovsky u32 index_of_sys_page; 62505f58cebSLeon Romanovsky u32 offset; 626b037c29aSEli Cohen 627b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 628b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 629b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 630b037c29aSEli Cohen 63105f58cebSLeon Romanovsky if (dyn_bfreg) { 63205f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 63305f58cebSLeon Romanovsky 6347c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 6357c043e90SYishai Hadas return -EINVAL; 6367c043e90SYishai Hadas 6371ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 6381ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 6391ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 6401ee47ab3SYishai Hadas return -EINVAL; 6411ee47ab3SYishai Hadas } 6421ee47ab3SYishai Hadas } 643b037c29aSEli Cohen 6441ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 645b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 646e126ba97SEli Cohen } 647e126ba97SEli Cohen 64819098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 64919098df2Smajd@mellanox.com struct ib_pd *pd, 65019098df2Smajd@mellanox.com unsigned long addr, size_t size, 65119098df2Smajd@mellanox.com struct ib_umem **umem, 65219098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 65319098df2Smajd@mellanox.com u32 *offset) 65419098df2Smajd@mellanox.com { 65519098df2Smajd@mellanox.com int err; 65619098df2Smajd@mellanox.com 65719098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 65819098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 65919098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 66019098df2Smajd@mellanox.com return PTR_ERR(*umem); 66119098df2Smajd@mellanox.com } 66219098df2Smajd@mellanox.com 663762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 66419098df2Smajd@mellanox.com 66519098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 66619098df2Smajd@mellanox.com if (err) { 66719098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 66819098df2Smajd@mellanox.com goto err_umem; 66919098df2Smajd@mellanox.com } 67019098df2Smajd@mellanox.com 67119098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 67219098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 67319098df2Smajd@mellanox.com 67419098df2Smajd@mellanox.com return 0; 67519098df2Smajd@mellanox.com 67619098df2Smajd@mellanox.com err_umem: 67719098df2Smajd@mellanox.com ib_umem_release(*umem); 67819098df2Smajd@mellanox.com *umem = NULL; 67919098df2Smajd@mellanox.com 68019098df2Smajd@mellanox.com return err; 68119098df2Smajd@mellanox.com } 68219098df2Smajd@mellanox.com 683fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 684fe248c3aSMaor Gottlieb struct mlx5_ib_rwq *rwq) 68579b20a6cSYishai Hadas { 68679b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 68779b20a6cSYishai Hadas 688fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 689fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 690fe248c3aSMaor Gottlieb 69179b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 69279b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 69379b20a6cSYishai Hadas if (rwq->umem) 69479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 69579b20a6cSYishai Hadas } 69679b20a6cSYishai Hadas 69779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 69879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 69979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 70079b20a6cSYishai Hadas { 70179b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 70279b20a6cSYishai Hadas int page_shift = 0; 70379b20a6cSYishai Hadas int npages; 70479b20a6cSYishai Hadas u32 offset = 0; 70579b20a6cSYishai Hadas int ncont = 0; 70679b20a6cSYishai Hadas int err; 70779b20a6cSYishai Hadas 70879b20a6cSYishai Hadas if (!ucmd->buf_addr) 70979b20a6cSYishai Hadas return -EINVAL; 71079b20a6cSYishai Hadas 71179b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 71279b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 71379b20a6cSYishai Hadas rwq->buf_size, 0, 0); 71479b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 71579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 71679b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 71779b20a6cSYishai Hadas return err; 71879b20a6cSYishai Hadas } 71979b20a6cSYishai Hadas 720762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 72179b20a6cSYishai Hadas &ncont, NULL); 72279b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 72379b20a6cSYishai Hadas &rwq->rq_page_offset); 72479b20a6cSYishai Hadas if (err) { 72579b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 72679b20a6cSYishai Hadas goto err_umem; 72779b20a6cSYishai Hadas } 72879b20a6cSYishai Hadas 72979b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 73079b20a6cSYishai Hadas rwq->page_shift = page_shift; 73179b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 73279b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 73379b20a6cSYishai Hadas 73479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 73579b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 73679b20a6cSYishai Hadas npages, page_shift, ncont, offset); 73779b20a6cSYishai Hadas 73879b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 73979b20a6cSYishai Hadas if (err) { 74079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 74179b20a6cSYishai Hadas goto err_umem; 74279b20a6cSYishai Hadas } 74379b20a6cSYishai Hadas 74479b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 74579b20a6cSYishai Hadas return 0; 74679b20a6cSYishai Hadas 74779b20a6cSYishai Hadas err_umem: 74879b20a6cSYishai Hadas ib_umem_release(rwq->umem); 74979b20a6cSYishai Hadas return err; 75079b20a6cSYishai Hadas } 75179b20a6cSYishai Hadas 752b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 753b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 754b037c29aSEli Cohen { 755b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 756b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 757b037c29aSEli Cohen } 758b037c29aSEli Cohen 759e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 760e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7610fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 76209a7d9ecSSaeed Mahameed u32 **in, 76319098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 76419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 765e126ba97SEli Cohen { 766e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 767e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 76819098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7699e9c47d0SEli Cohen int page_shift = 0; 7701ee47ab3SYishai Hadas int uar_index = 0; 771e126ba97SEli Cohen int npages; 7729e9c47d0SEli Cohen u32 offset = 0; 7732f5ff264SEli Cohen int bfregn; 7749e9c47d0SEli Cohen int ncont = 0; 77509a7d9ecSSaeed Mahameed __be64 *pas; 77609a7d9ecSSaeed Mahameed void *qpc; 777e126ba97SEli Cohen int err; 7785aa3771dSYishai Hadas u16 uid; 779e126ba97SEli Cohen 780e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 781e126ba97SEli Cohen if (err) { 782e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 783e126ba97SEli Cohen return err; 784e126ba97SEli Cohen } 785e126ba97SEli Cohen 786e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 7871ee47ab3SYishai Hadas if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { 7881ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 7891ee47ab3SYishai Hadas ucmd.bfreg_index, true); 7901ee47ab3SYishai Hadas if (uar_index < 0) 7911ee47ab3SYishai Hadas return uar_index; 7921ee47ab3SYishai Hadas 7931ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 7941ee47ab3SYishai Hadas } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { 795e126ba97SEli Cohen /* 796e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 797e126ba97SEli Cohen */ 798051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 7992f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 8001ee47ab3SYishai Hadas } 801051f2630SLeon Romanovsky else { 802ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 803ffaf58deSLeon Romanovsky if (bfregn < 0) 8042f5ff264SEli Cohen return bfregn; 805e126ba97SEli Cohen } 806e126ba97SEli Cohen 8072f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 8081ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 8091ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 8101ee47ab3SYishai Hadas false); 811e126ba97SEli Cohen 81248fea837SHaggai Eran qp->rq.offset = 0; 81348fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 81448fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 81548fea837SHaggai Eran 8160fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 817e126ba97SEli Cohen if (err) 8182f5ff264SEli Cohen goto err_bfreg; 819e126ba97SEli Cohen 82019098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 82119098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 82219098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 82319098df2Smajd@mellanox.com ubuffer->buf_size, 82419098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 82519098df2Smajd@mellanox.com &ncont, &offset); 82619098df2Smajd@mellanox.com if (err) 8272f5ff264SEli Cohen goto err_bfreg; 8289e9c47d0SEli Cohen } else { 82919098df2Smajd@mellanox.com ubuffer->umem = NULL; 8309e9c47d0SEli Cohen } 831e126ba97SEli Cohen 83209a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 83309a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 8341b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 835e126ba97SEli Cohen if (!*in) { 836e126ba97SEli Cohen err = -ENOMEM; 837e126ba97SEli Cohen goto err_umem; 838e126ba97SEli Cohen } 839e126ba97SEli Cohen 8405aa3771dSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT) ? to_mpd(pd)->uid : 0; 8415aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 84209a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 84309a7d9ecSSaeed Mahameed if (ubuffer->umem) 84409a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 84509a7d9ecSSaeed Mahameed 84609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 84709a7d9ecSSaeed Mahameed 84809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 84909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 85009a7d9ecSSaeed Mahameed 85109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 8521ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 853b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 8541ee47ab3SYishai Hadas else 8551ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 8562f5ff264SEli Cohen qp->bfregn = bfregn; 857e126ba97SEli Cohen 858e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 859e126ba97SEli Cohen if (err) { 860e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 861e126ba97SEli Cohen goto err_free; 862e126ba97SEli Cohen } 863e126ba97SEli Cohen 86441d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 865e126ba97SEli Cohen if (err) { 866e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 867e126ba97SEli Cohen goto err_unmap; 868e126ba97SEli Cohen } 869e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 870e126ba97SEli Cohen 871e126ba97SEli Cohen return 0; 872e126ba97SEli Cohen 873e126ba97SEli Cohen err_unmap: 874e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 875e126ba97SEli Cohen 876e126ba97SEli Cohen err_free: 877479163f4SAl Viro kvfree(*in); 878e126ba97SEli Cohen 879e126ba97SEli Cohen err_umem: 88019098df2Smajd@mellanox.com if (ubuffer->umem) 88119098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 882e126ba97SEli Cohen 8832f5ff264SEli Cohen err_bfreg: 8841ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 8854ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 886e126ba97SEli Cohen return err; 887e126ba97SEli Cohen } 888e126ba97SEli Cohen 889b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 890b037c29aSEli Cohen struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) 891e126ba97SEli Cohen { 892e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 893e126ba97SEli Cohen 894e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 895e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 89619098df2Smajd@mellanox.com if (base->ubuffer.umem) 89719098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 8981ee47ab3SYishai Hadas 8991ee47ab3SYishai Hadas /* 9001ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 9011ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 9021ee47ab3SYishai Hadas */ 9031ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 9044ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 905e126ba97SEli Cohen } 906e126ba97SEli Cohen 90734f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 90834f4c955SGuy Levi * 90934f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 91034f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 91134f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 91234f4c955SGuy Levi * simply should check if it gets to an edge. 91334f4c955SGuy Levi * 91434f4c955SGuy Levi * @sq - SQ buffer. 91534f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 91634f4c955SGuy Levi * 91734f4c955SGuy Levi * Return: 91834f4c955SGuy Levi * The new edge. 91934f4c955SGuy Levi */ 92034f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 92134f4c955SGuy Levi { 92234f4c955SGuy Levi void *fragment_end; 92334f4c955SGuy Levi 92434f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 92534f4c955SGuy Levi (&sq->fbc, 92634f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 92734f4c955SGuy Levi 92834f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 92934f4c955SGuy Levi } 93034f4c955SGuy Levi 931e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 932e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 933e126ba97SEli Cohen struct mlx5_ib_qp *qp, 93409a7d9ecSSaeed Mahameed u32 **in, int *inlen, 93519098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 936e126ba97SEli Cohen { 937e126ba97SEli Cohen int uar_index; 93809a7d9ecSSaeed Mahameed void *qpc; 939e126ba97SEli Cohen int err; 940e126ba97SEli Cohen 941f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 942f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 943b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 94493d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 945b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9461a4c3a3dSEli Cohen return -EINVAL; 947e126ba97SEli Cohen 948e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 9495fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 9505fe9dec0SEli Cohen else 9515fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 952e126ba97SEli Cohen 953d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 954d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 955d8030b0dSEli Cohen */ 956d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 9575fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 958e126ba97SEli Cohen 959e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 960e126ba97SEli Cohen if (err < 0) { 961e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9625fe9dec0SEli Cohen return err; 963e126ba97SEli Cohen } 964e126ba97SEli Cohen 965e126ba97SEli Cohen qp->rq.offset = 0; 966e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 96719098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 968e126ba97SEli Cohen 96934f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 97034f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 971e126ba97SEli Cohen if (err) { 972e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9735fe9dec0SEli Cohen return err; 974e126ba97SEli Cohen } 975e126ba97SEli Cohen 97634f4c955SGuy Levi if (qp->rq.wqe_cnt) 97734f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 97834f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 97934f4c955SGuy Levi 98034f4c955SGuy Levi if (qp->sq.wqe_cnt) { 98134f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 98234f4c955SGuy Levi MLX5_SEND_WQE_BB; 98334f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 98434f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 98534f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 98634f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 98734f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 98834f4c955SGuy Levi 98934f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 99034f4c955SGuy Levi } 99134f4c955SGuy Levi 99209a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 99309a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 9941b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 995e126ba97SEli Cohen if (!*in) { 996e126ba97SEli Cohen err = -ENOMEM; 997e126ba97SEli Cohen goto err_buf; 998e126ba97SEli Cohen } 99909a7d9ecSSaeed Mahameed 100009a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 100109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 100209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 100309a7d9ecSSaeed Mahameed 1004e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 100509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 100609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1007e126ba97SEli Cohen 1008b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 100909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1010b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 1011b11a4f9cSHaggai Eran } 1012b11a4f9cSHaggai Eran 101334f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 101434f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 101534f4c955SGuy Levi *in, pas)); 1016e126ba97SEli Cohen 10179603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1018e126ba97SEli Cohen if (err) { 1019e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1020e126ba97SEli Cohen goto err_free; 1021e126ba97SEli Cohen } 1022e126ba97SEli Cohen 1023b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1024b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1025b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1026b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1027b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1028b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1029b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1030b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1031b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1032b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1033e126ba97SEli Cohen 1034e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1035e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1036e126ba97SEli Cohen err = -ENOMEM; 1037e126ba97SEli Cohen goto err_wrid; 1038e126ba97SEli Cohen } 1039e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1040e126ba97SEli Cohen 1041e126ba97SEli Cohen return 0; 1042e126ba97SEli Cohen 1043e126ba97SEli Cohen err_wrid: 1044b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1045b5883008SLi Dongyang kvfree(qp->sq.w_list); 1046b5883008SLi Dongyang kvfree(qp->sq.wrid); 1047b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1048b5883008SLi Dongyang kvfree(qp->rq.wrid); 1049f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1050e126ba97SEli Cohen 1051e126ba97SEli Cohen err_free: 1052479163f4SAl Viro kvfree(*in); 1053e126ba97SEli Cohen 1054e126ba97SEli Cohen err_buf: 105534f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1056e126ba97SEli Cohen return err; 1057e126ba97SEli Cohen } 1058e126ba97SEli Cohen 1059e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1060e126ba97SEli Cohen { 1061b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1062b5883008SLi Dongyang kvfree(qp->sq.w_list); 1063b5883008SLi Dongyang kvfree(qp->sq.wrid); 1064b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1065b5883008SLi Dongyang kvfree(qp->rq.wrid); 1066f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 106734f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1068e126ba97SEli Cohen } 1069e126ba97SEli Cohen 107009a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1071e126ba97SEli Cohen { 1072e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1073c32a4f29SMoni Shoua (attr->qp_type == MLX5_IB_QPT_DCI) || 1074e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 107509a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1076e126ba97SEli Cohen else if (!qp->has_rq) 107709a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1078e126ba97SEli Cohen else 107909a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1080e126ba97SEli Cohen } 1081e126ba97SEli Cohen 1082e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1083e126ba97SEli Cohen { 10845d6ff1baSYonatan Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC || 10855d6ff1baSYonatan Cohen qp_type == MLX5_IB_QPT_DCI) 1086e126ba97SEli Cohen return 1; 1087e126ba97SEli Cohen 1088e126ba97SEli Cohen return 0; 1089e126ba97SEli Cohen } 1090e126ba97SEli Cohen 10910fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1092c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 10931cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 10941cd6dbd3SYishai Hadas struct ib_pd *pd) 10950fb2ed66Smajd@mellanox.com { 1096c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10970fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10980fb2ed66Smajd@mellanox.com 10991cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 11000fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1101c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1102c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1103c2e53b2cSYishai Hadas 11040fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 11050fb2ed66Smajd@mellanox.com } 11060fb2ed66Smajd@mellanox.com 11070fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 11081cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 11090fb2ed66Smajd@mellanox.com { 11101cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 11110fb2ed66Smajd@mellanox.com } 11120fb2ed66Smajd@mellanox.com 1113b96c9ddeSMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_dev *dev, 1114b96c9ddeSMark Bloch struct mlx5_ib_sq *sq) 1115b96c9ddeSMark Bloch { 1116b96c9ddeSMark Bloch if (sq->flow_rule) 1117b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1118b96c9ddeSMark Bloch } 1119b96c9ddeSMark Bloch 11200fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11210fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 11220fb2ed66Smajd@mellanox.com struct ib_pd *pd) 11230fb2ed66Smajd@mellanox.com { 11240fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 11250fb2ed66Smajd@mellanox.com __be64 *pas; 11260fb2ed66Smajd@mellanox.com void *in; 11270fb2ed66Smajd@mellanox.com void *sqc; 11280fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 11290fb2ed66Smajd@mellanox.com void *wq; 11300fb2ed66Smajd@mellanox.com int inlen; 11310fb2ed66Smajd@mellanox.com int err; 11320fb2ed66Smajd@mellanox.com int page_shift = 0; 11330fb2ed66Smajd@mellanox.com int npages; 11340fb2ed66Smajd@mellanox.com int ncont = 0; 11350fb2ed66Smajd@mellanox.com u32 offset = 0; 11360fb2ed66Smajd@mellanox.com 11370fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 11380fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 11390fb2ed66Smajd@mellanox.com &ncont, &offset); 11400fb2ed66Smajd@mellanox.com if (err) 11410fb2ed66Smajd@mellanox.com return err; 11420fb2ed66Smajd@mellanox.com 11430fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 11441b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11450fb2ed66Smajd@mellanox.com if (!in) { 11460fb2ed66Smajd@mellanox.com err = -ENOMEM; 11470fb2ed66Smajd@mellanox.com goto err_umem; 11480fb2ed66Smajd@mellanox.com } 11490fb2ed66Smajd@mellanox.com 1150c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 11510fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 11520fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1153795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1154795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 11550fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 11560fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11570fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 11580fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 11590fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 116096dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 116196dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 116296dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 11630fb2ed66Smajd@mellanox.com 11640fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 11650fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11660fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11670fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11680fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11690fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11700fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11710fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11720fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11730fb2ed66Smajd@mellanox.com 11740fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11750fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11760fb2ed66Smajd@mellanox.com 11770fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11780fb2ed66Smajd@mellanox.com 11790fb2ed66Smajd@mellanox.com kvfree(in); 11800fb2ed66Smajd@mellanox.com 11810fb2ed66Smajd@mellanox.com if (err) 11820fb2ed66Smajd@mellanox.com goto err_umem; 11830fb2ed66Smajd@mellanox.com 1184b96c9ddeSMark Bloch err = create_flow_rule_vport_sq(dev, sq); 1185b96c9ddeSMark Bloch if (err) 1186b96c9ddeSMark Bloch goto err_flow; 1187b96c9ddeSMark Bloch 11880fb2ed66Smajd@mellanox.com return 0; 11890fb2ed66Smajd@mellanox.com 1190b96c9ddeSMark Bloch err_flow: 1191b96c9ddeSMark Bloch mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 1192b96c9ddeSMark Bloch 11930fb2ed66Smajd@mellanox.com err_umem: 11940fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11950fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11960fb2ed66Smajd@mellanox.com 11970fb2ed66Smajd@mellanox.com return err; 11980fb2ed66Smajd@mellanox.com } 11990fb2ed66Smajd@mellanox.com 12000fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12010fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 12020fb2ed66Smajd@mellanox.com { 1203b96c9ddeSMark Bloch destroy_flow_rule_vport_sq(dev, sq); 12040fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 12050fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12060fb2ed66Smajd@mellanox.com } 12070fb2ed66Smajd@mellanox.com 12082c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 12090fb2ed66Smajd@mellanox.com { 12100fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 12110fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 12120fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 12130fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 12140fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 12150fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 12160fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 12170fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 12180fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 12190fb2ed66Smajd@mellanox.com 12200fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 12210fb2ed66Smajd@mellanox.com } 12220fb2ed66Smajd@mellanox.com 12230fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12242c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 122534d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 12260fb2ed66Smajd@mellanox.com { 1227358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 12280fb2ed66Smajd@mellanox.com __be64 *pas; 12290fb2ed66Smajd@mellanox.com __be64 *qp_pas; 12300fb2ed66Smajd@mellanox.com void *in; 12310fb2ed66Smajd@mellanox.com void *rqc; 12320fb2ed66Smajd@mellanox.com void *wq; 12330fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12342c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 12352c292dbbSBoris Pismenny size_t inlen; 12360fb2ed66Smajd@mellanox.com int err; 12372c292dbbSBoris Pismenny 12382c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 12392c292dbbSBoris Pismenny return -EINVAL; 12400fb2ed66Smajd@mellanox.com 12410fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 12421b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12430fb2ed66Smajd@mellanox.com if (!in) 12440fb2ed66Smajd@mellanox.com return -ENOMEM; 12450fb2ed66Smajd@mellanox.com 124634d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 12470fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1248e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 12490fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 12500fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 12510fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 12520fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 12530fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12540fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 12550fb2ed66Smajd@mellanox.com 1256358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1257358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1258358e42eaSMajd Dibbiny 12590fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 12600fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1261b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1262b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 12630fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 12640fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12650fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12660fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 12670fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 12680fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 12690fb2ed66Smajd@mellanox.com 12700fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12710fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 12720fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 12730fb2ed66Smajd@mellanox.com 12740fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 12750fb2ed66Smajd@mellanox.com 12760fb2ed66Smajd@mellanox.com kvfree(in); 12770fb2ed66Smajd@mellanox.com 12780fb2ed66Smajd@mellanox.com return err; 12790fb2ed66Smajd@mellanox.com } 12800fb2ed66Smajd@mellanox.com 12810fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12820fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12830fb2ed66Smajd@mellanox.com { 12840fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12850fb2ed66Smajd@mellanox.com } 12860fb2ed66Smajd@mellanox.com 1287f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1288f95ef6cbSMaor Gottlieb { 1289f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1290f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1291f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1292f95ef6cbSMaor Gottlieb } 1293f95ef6cbSMaor Gottlieb 12940042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12950042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1296443c1cf9SYishai Hadas u32 qp_flags_en, 1297443c1cf9SYishai Hadas struct ib_pd *pd) 12980042f9e4SMark Bloch { 12990042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13000042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13010042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1302443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 13030042f9e4SMark Bloch } 13040042f9e4SMark Bloch 13050fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1306f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1307443c1cf9SYishai Hadas u32 *qp_flags_en, 1308443c1cf9SYishai Hadas struct ib_pd *pd) 13090fb2ed66Smajd@mellanox.com { 1310175edba8SMark Bloch u8 lb_flag = 0; 13110fb2ed66Smajd@mellanox.com u32 *in; 13120fb2ed66Smajd@mellanox.com void *tirc; 13130fb2ed66Smajd@mellanox.com int inlen; 13140fb2ed66Smajd@mellanox.com int err; 13150fb2ed66Smajd@mellanox.com 13160fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 13171b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13180fb2ed66Smajd@mellanox.com if (!in) 13190fb2ed66Smajd@mellanox.com return -ENOMEM; 13200fb2ed66Smajd@mellanox.com 1321443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 13220fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 13230fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 13240fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 13250fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1326175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1327f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 13280fb2ed66Smajd@mellanox.com 1329175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1330175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1331175edba8SMark Bloch 1332175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1333175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1334175edba8SMark Bloch 1335175edba8SMark Bloch if (dev->rep) { 1336175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1337175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1338175edba8SMark Bloch } 1339175edba8SMark Bloch 1340175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1341ec9c2fb8SMark Bloch 13420fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 13430fb2ed66Smajd@mellanox.com 13440042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 13450042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 13460042f9e4SMark Bloch 13470042f9e4SMark Bloch if (err) 1348443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 13490042f9e4SMark Bloch } 13500fb2ed66Smajd@mellanox.com kvfree(in); 13510fb2ed66Smajd@mellanox.com 13520fb2ed66Smajd@mellanox.com return err; 13530fb2ed66Smajd@mellanox.com } 13540fb2ed66Smajd@mellanox.com 13550fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 13562c292dbbSBoris Pismenny u32 *in, size_t inlen, 13577f72052cSYishai Hadas struct ib_pd *pd, 13587f72052cSYishai Hadas struct ib_udata *udata, 13597f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 13600fb2ed66Smajd@mellanox.com { 13610fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13620fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13630fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13640fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 13650fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 13660fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 13670fb2ed66Smajd@mellanox.com int err; 13680fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 13697f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 13700fb2ed66Smajd@mellanox.com 13710fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13721cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 13730fb2ed66Smajd@mellanox.com if (err) 13740fb2ed66Smajd@mellanox.com return err; 13750fb2ed66Smajd@mellanox.com 13760fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 13770fb2ed66Smajd@mellanox.com if (err) 13780fb2ed66Smajd@mellanox.com goto err_destroy_tis; 13790fb2ed66Smajd@mellanox.com 13807f72052cSYishai Hadas if (uid) { 13817f72052cSYishai Hadas resp->tisn = sq->tisn; 13827f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 13837f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 13847f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 13857f72052cSYishai Hadas } 13867f72052cSYishai Hadas 13870fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 13881d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 13890fb2ed66Smajd@mellanox.com } 13900fb2ed66Smajd@mellanox.com 13910fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1392358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1393358e42eaSMajd Dibbiny 1394e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1395e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1396b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1397b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 139834d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 13990fb2ed66Smajd@mellanox.com if (err) 14000fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14010fb2ed66Smajd@mellanox.com 1402443c1cf9SYishai Hadas err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd); 14030fb2ed66Smajd@mellanox.com if (err) 14040fb2ed66Smajd@mellanox.com goto err_destroy_rq; 14057f72052cSYishai Hadas 14067f72052cSYishai Hadas if (uid) { 14077f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 14087f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 14097f72052cSYishai Hadas resp->tirn = rq->tirn; 14107f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 14117f72052cSYishai Hadas } 14120fb2ed66Smajd@mellanox.com } 14130fb2ed66Smajd@mellanox.com 14140fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 14150fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 14167f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 14177f72052cSYishai Hadas if (err) 14187f72052cSYishai Hadas goto err_destroy_tir; 14190fb2ed66Smajd@mellanox.com 14200fb2ed66Smajd@mellanox.com return 0; 14210fb2ed66Smajd@mellanox.com 14227f72052cSYishai Hadas err_destroy_tir: 14237f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 14240fb2ed66Smajd@mellanox.com err_destroy_rq: 14250fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 14260fb2ed66Smajd@mellanox.com err_destroy_sq: 14270fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 14280fb2ed66Smajd@mellanox.com return err; 14290fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 14300fb2ed66Smajd@mellanox.com err_destroy_tis: 14311cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 14320fb2ed66Smajd@mellanox.com 14330fb2ed66Smajd@mellanox.com return err; 14340fb2ed66Smajd@mellanox.com } 14350fb2ed66Smajd@mellanox.com 14360fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 14370fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 14380fb2ed66Smajd@mellanox.com { 14390fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14400fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14410fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 14420fb2ed66Smajd@mellanox.com 14430fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1444443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 14450fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 14460fb2ed66Smajd@mellanox.com } 14470fb2ed66Smajd@mellanox.com 14480fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14490fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 14501cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 14510fb2ed66Smajd@mellanox.com } 14520fb2ed66Smajd@mellanox.com } 14530fb2ed66Smajd@mellanox.com 14540fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 14550fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 14560fb2ed66Smajd@mellanox.com { 14570fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14580fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 14590fb2ed66Smajd@mellanox.com 14600fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 14610fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 14620fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 14630fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 14640fb2ed66Smajd@mellanox.com } 14650fb2ed66Smajd@mellanox.com 146628d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 146728d61370SYishai Hadas { 14680042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14690042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14700042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1471443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1472443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 147328d61370SYishai Hadas } 147428d61370SYishai Hadas 147528d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 147628d61370SYishai Hadas struct ib_pd *pd, 147728d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 147828d61370SYishai Hadas struct ib_udata *udata) 147928d61370SYishai Hadas { 148028d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 148128d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 148228d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 148328d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 148428d61370SYishai Hadas int inlen; 148528d61370SYishai Hadas int err; 148628d61370SYishai Hadas u32 *in; 148728d61370SYishai Hadas void *tirc; 148828d61370SYishai Hadas void *hfso; 148928d61370SYishai Hadas u32 selected_fields = 0; 14902d93fc85SMatan Barak u32 outer_l4; 149128d61370SYishai Hadas size_t min_resp_len; 149228d61370SYishai Hadas u32 tdn = mucontext->tdn; 149328d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 149428d61370SYishai Hadas size_t required_cmd_sz; 1495175edba8SMark Bloch u8 lb_flag = 0; 149628d61370SYishai Hadas 149728d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 149828d61370SYishai Hadas return -EOPNOTSUPP; 149928d61370SYishai Hadas 150028d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 150128d61370SYishai Hadas return -EINVAL; 150228d61370SYishai Hadas 15032f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 150428d61370SYishai Hadas if (udata->outlen < min_resp_len) 150528d61370SYishai Hadas return -EINVAL; 150628d61370SYishai Hadas 1507f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 150828d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 150928d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 151028d61370SYishai Hadas return -EINVAL; 151128d61370SYishai Hadas } 151228d61370SYishai Hadas 151328d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 151428d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 151528d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 151628d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 151728d61370SYishai Hadas return -EOPNOTSUPP; 151828d61370SYishai Hadas } 151928d61370SYishai Hadas 152028d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 152128d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 152228d61370SYishai Hadas return -EFAULT; 152328d61370SYishai Hadas } 152428d61370SYishai Hadas 152528d61370SYishai Hadas if (ucmd.comp_mask) { 152628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 152728d61370SYishai Hadas return -EOPNOTSUPP; 152828d61370SYishai Hadas } 152928d61370SYishai Hadas 1530175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1531175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1532175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1533f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1534f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1535f95ef6cbSMaor Gottlieb } 1536f95ef6cbSMaor Gottlieb 1537f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1538f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1539f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 154028d61370SYishai Hadas return -EOPNOTSUPP; 154128d61370SYishai Hadas } 154228d61370SYishai Hadas 1543309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1544309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1545309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1546309fa347SMaor Gottlieb return -EOPNOTSUPP; 1547309fa347SMaor Gottlieb } 1548309fa347SMaor Gottlieb 1549175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->rep) { 1550175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1551175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1552175edba8SMark Bloch } 1553175edba8SMark Bloch 1554175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1555175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1556175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1557175edba8SMark Bloch } 1558175edba8SMark Bloch 155941d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 156028d61370SYishai Hadas if (err) { 156128d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 156228d61370SYishai Hadas return -EINVAL; 156328d61370SYishai Hadas } 156428d61370SYishai Hadas 156528d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 15661b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 156728d61370SYishai Hadas if (!in) 156828d61370SYishai Hadas return -ENOMEM; 156928d61370SYishai Hadas 1570443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 157128d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 157228d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 157328d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 157428d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 157528d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 157628d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 157728d61370SYishai Hadas 157828d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1579f95ef6cbSMaor Gottlieb 1580f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1581f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1582f95ef6cbSMaor Gottlieb 1583175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1584175edba8SMark Bloch 1585309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1586309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1587309fa347SMaor Gottlieb else 1588309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1589309fa347SMaor Gottlieb 159028d61370SYishai Hadas switch (ucmd.rx_hash_function) { 159128d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 159228d61370SYishai Hadas { 159328d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 159428d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 159528d61370SYishai Hadas 159628d61370SYishai Hadas if (len != ucmd.rx_key_len) { 159728d61370SYishai Hadas err = -EINVAL; 159828d61370SYishai Hadas goto err; 159928d61370SYishai Hadas } 160028d61370SYishai Hadas 160128d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 160228d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 160328d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 160428d61370SYishai Hadas break; 160528d61370SYishai Hadas } 160628d61370SYishai Hadas default: 160728d61370SYishai Hadas err = -EOPNOTSUPP; 160828d61370SYishai Hadas goto err; 160928d61370SYishai Hadas } 161028d61370SYishai Hadas 161128d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 161228d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 161328d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 161428d61370SYishai Hadas goto create_tir; 161528d61370SYishai Hadas err = -EINVAL; 161628d61370SYishai Hadas goto err; 161728d61370SYishai Hadas } 161828d61370SYishai Hadas 161928d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 162028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 162128d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 162228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 162328d61370SYishai Hadas err = -EINVAL; 162428d61370SYishai Hadas goto err; 162528d61370SYishai Hadas } 162628d61370SYishai Hadas 162728d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 162828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 162928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 163028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 163128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 163228d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 163328d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 163428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 163528d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 163628d61370SYishai Hadas 16372d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 16382d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 163928d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 16402d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 16412d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 16422d93fc85SMatan Barak 16432d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 16442d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 164528d61370SYishai Hadas err = -EINVAL; 164628d61370SYishai Hadas goto err; 164728d61370SYishai Hadas } 164828d61370SYishai Hadas 164928d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 165028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 165128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 165228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 165328d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 165428d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 165528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 165628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 165728d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 165828d61370SYishai Hadas 165928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 166028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 166128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 166228d61370SYishai Hadas 166328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 166428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 166528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 166628d61370SYishai Hadas 166728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 166828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 166928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 167028d61370SYishai Hadas 167128d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 167228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 167328d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 167428d61370SYishai Hadas 16752d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 16762d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 16772d93fc85SMatan Barak 167828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 167928d61370SYishai Hadas 168028d61370SYishai Hadas create_tir: 168128d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 168228d61370SYishai Hadas 16830042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 16840042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 16850042f9e4SMark Bloch 16860042f9e4SMark Bloch if (err) 1687443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1688443c1cf9SYishai Hadas to_mpd(pd)->uid); 16890042f9e4SMark Bloch } 16900042f9e4SMark Bloch 169128d61370SYishai Hadas if (err) 169228d61370SYishai Hadas goto err; 169328d61370SYishai Hadas 16947f72052cSYishai Hadas if (mucontext->devx_uid) { 16957f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 16967f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 16977f72052cSYishai Hadas } 16987f72052cSYishai Hadas 16997f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 17007f72052cSYishai Hadas if (err) 17017f72052cSYishai Hadas goto err_copy; 17027f72052cSYishai Hadas 170328d61370SYishai Hadas kvfree(in); 170428d61370SYishai Hadas /* qpn is reserved for that QP */ 170528d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1706d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 170728d61370SYishai Hadas return 0; 170828d61370SYishai Hadas 17097f72052cSYishai Hadas err_copy: 17107f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 171128d61370SYishai Hadas err: 171228d61370SYishai Hadas kvfree(in); 171328d61370SYishai Hadas return err; 171428d61370SYishai Hadas } 171528d61370SYishai Hadas 17165d6ff1baSYonatan Cohen static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, 17175d6ff1baSYonatan Cohen void *qpc) 17185d6ff1baSYonatan Cohen { 17195d6ff1baSYonatan Cohen int rcqe_sz; 17205d6ff1baSYonatan Cohen 17215d6ff1baSYonatan Cohen if (init_attr->qp_type == MLX5_IB_QPT_DCI) 17225d6ff1baSYonatan Cohen return; 17235d6ff1baSYonatan Cohen 17245d6ff1baSYonatan Cohen rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 17255d6ff1baSYonatan Cohen 17265d6ff1baSYonatan Cohen if (rcqe_sz == 128) { 17275d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 17285d6ff1baSYonatan Cohen return; 17295d6ff1baSYonatan Cohen } 17305d6ff1baSYonatan Cohen 17315d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCT) 17325d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 17335d6ff1baSYonatan Cohen } 17345d6ff1baSYonatan Cohen 17355d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 17365d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 17376f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 17385d6ff1baSYonatan Cohen void *qpc) 17395d6ff1baSYonatan Cohen { 17405d6ff1baSYonatan Cohen enum ib_qp_type qpt = init_attr->qp_type; 17415d6ff1baSYonatan Cohen int scqe_sz; 17426f4bc0eaSYonatan Cohen bool allow_scat_cqe = 0; 17435d6ff1baSYonatan Cohen 17445d6ff1baSYonatan Cohen if (qpt == IB_QPT_UC || qpt == IB_QPT_UD) 17455d6ff1baSYonatan Cohen return; 17465d6ff1baSYonatan Cohen 17476f4bc0eaSYonatan Cohen if (ucmd) 17486f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 17496f4bc0eaSYonatan Cohen 17506f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 17515d6ff1baSYonatan Cohen return; 17525d6ff1baSYonatan Cohen 17535d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 17545d6ff1baSYonatan Cohen if (scqe_sz == 128) { 17555d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 17565d6ff1baSYonatan Cohen return; 17575d6ff1baSYonatan Cohen } 17585d6ff1baSYonatan Cohen 17595d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 17605d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 17615d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 17625d6ff1baSYonatan Cohen } 17635d6ff1baSYonatan Cohen 1764a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1765a60109dcSYonatan Cohen { 1766a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1767a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1768a60109dcSYonatan Cohen */ 1769a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1770a60109dcSYonatan Cohen int log_max_size; 1771a60109dcSYonatan Cohen 1772a60109dcSYonatan Cohen if (!supported_size_mask) 1773a60109dcSYonatan Cohen return -EOPNOTSUPP; 1774a60109dcSYonatan Cohen 1775a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1776a60109dcSYonatan Cohen 1777a60109dcSYonatan Cohen if (log_max_size > 3) 1778a60109dcSYonatan Cohen return log_max_size; 1779a60109dcSYonatan Cohen 1780a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1781a60109dcSYonatan Cohen } 1782a60109dcSYonatan Cohen 1783a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1784a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1785a60109dcSYonatan Cohen { 1786a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1787a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1788a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1789a60109dcSYonatan Cohen int atomic_size_mask; 1790a60109dcSYonatan Cohen 1791a60109dcSYonatan Cohen if (!atomic) 1792a60109dcSYonatan Cohen return -EOPNOTSUPP; 1793a60109dcSYonatan Cohen 1794a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1795a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1796a60109dcSYonatan Cohen else 1797a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1798a60109dcSYonatan Cohen 1799a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1800a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1801a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1802a60109dcSYonatan Cohen 1803a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1804a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1805a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1806a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1807a60109dcSYonatan Cohen 1808a60109dcSYonatan Cohen return atomic_mode; 1809a60109dcSYonatan Cohen } 1810a60109dcSYonatan Cohen 18112e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 18122e43bb31SYonatan Cohen { 18132e43bb31SYonatan Cohen return (input & ~supported) == 0; 18142e43bb31SYonatan Cohen } 18152e43bb31SYonatan Cohen 1816e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1817e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1818e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1819e126ba97SEli Cohen { 1820e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 182109a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1822938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 18230625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 182489ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 182589ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 182689ea94a7SMaor Gottlieb unsigned long flags; 1827cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 182809a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 182909a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1830e7b169f3SNoa Osherovich int mlx5_st; 1831cfb5e088SHaggai Abramovsky void *qpc; 183209a7d9ecSSaeed Mahameed u32 *in; 183309a7d9ecSSaeed Mahameed int err; 1834e126ba97SEli Cohen 1835e126ba97SEli Cohen mutex_init(&qp->mutex); 1836e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1837e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1838e126ba97SEli Cohen 1839e7b169f3SNoa Osherovich mlx5_st = to_mlx5_st(init_attr->qp_type); 1840e7b169f3SNoa Osherovich if (mlx5_st < 0) 1841e7b169f3SNoa Osherovich return -EINVAL; 1842e7b169f3SNoa Osherovich 184328d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 184428d61370SYishai Hadas if (!udata) 184528d61370SYishai Hadas return -ENOSYS; 184628d61370SYishai Hadas 184728d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 184828d61370SYishai Hadas return err; 184928d61370SYishai Hadas } 185028d61370SYishai Hadas 1851f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1852938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1853f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1854f360d88aSEli Cohen return -EINVAL; 1855f360d88aSEli Cohen } else { 1856f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1857f360d88aSEli Cohen } 1858f360d88aSEli Cohen } 1859f360d88aSEli Cohen 1860051f2630SLeon Romanovsky if (init_attr->create_flags & 1861051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1862051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1863051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1864051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1865051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1866051f2630SLeon Romanovsky return -EINVAL; 1867051f2630SLeon Romanovsky } 1868051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1869051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1870051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1871051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1872051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1873051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1874051f2630SLeon Romanovsky } 1875f0313965SErez Shitrit 1876f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1877f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1878f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1879f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1880f0313965SErez Shitrit return -EOPNOTSUPP; 1881f0313965SErez Shitrit } 1882f0313965SErez Shitrit 1883358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1884358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1885358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1886358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1887358e42eaSMajd Dibbiny } 1888358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1889358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1890358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1891358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1892358e42eaSMajd Dibbiny } 1893358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1894358e42eaSMajd Dibbiny } 1895358e42eaSMajd Dibbiny 1896e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1897e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1898e126ba97SEli Cohen 1899e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1900e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1901e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 1902e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 1903e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 1904e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 1905e4cc4fa7SNoa Osherovich } 1906e4cc4fa7SNoa Osherovich 1907e126ba97SEli Cohen if (pd && pd->uobject) { 1908e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1909e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1910e126ba97SEli Cohen return -EFAULT; 1911e126ba97SEli Cohen } 1912e126ba97SEli Cohen 19132e43bb31SYonatan Cohen if (!check_flags_mask(ucmd.flags, 19142e43bb31SYonatan Cohen MLX5_QP_FLAG_SIGNATURE | 19152e43bb31SYonatan Cohen MLX5_QP_FLAG_SCATTER_CQE | 19162e43bb31SYonatan Cohen MLX5_QP_FLAG_TUNNEL_OFFLOADS | 19172e43bb31SYonatan Cohen MLX5_QP_FLAG_BFREG_INDEX | 19182e43bb31SYonatan Cohen MLX5_QP_FLAG_TYPE_DCT | 19196f4bc0eaSYonatan Cohen MLX5_QP_FLAG_TYPE_DCI | 19206f4bc0eaSYonatan Cohen MLX5_QP_FLAG_ALLOW_SCATTER_CQE)) 19212e43bb31SYonatan Cohen return -EINVAL; 19222e43bb31SYonatan Cohen 1923cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1924cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1925cfb5e088SHaggai Abramovsky if (err) 1926cfb5e088SHaggai Abramovsky return err; 1927cfb5e088SHaggai Abramovsky 1928e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 19295d6ff1baSYonatan Cohen if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 1930e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1931f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1932f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 1933f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 1934f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 1935f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1936f95ef6cbSMaor Gottlieb } 1937175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 1938175edba8SMark Bloch } 1939175edba8SMark Bloch 1940175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 1941175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1942175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 1943175edba8SMark Bloch return -EOPNOTSUPP; 1944175edba8SMark Bloch } 1945175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1946175edba8SMark Bloch } 1947175edba8SMark Bloch 1948175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1949175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1950175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 1951175edba8SMark Bloch return -EOPNOTSUPP; 1952175edba8SMark Bloch } 1953175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1954f95ef6cbSMaor Gottlieb } 1955c2e53b2cSYishai Hadas 1956c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 1957c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 1958c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 1959c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 1960c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 1961c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 1962c2e53b2cSYishai Hadas return -EOPNOTSUPP; 1963c2e53b2cSYishai Hadas } 1964c2e53b2cSYishai Hadas 1965c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 1966c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 1967c2e53b2cSYishai Hadas } 1968e126ba97SEli Cohen } else { 1969e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1970e126ba97SEli Cohen } 1971e126ba97SEli Cohen 1972c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 1973c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 1974c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1975c2e53b2cSYishai Hadas &qp->trans_qp.base; 1976c2e53b2cSYishai Hadas 1977e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1978e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1979e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1980e126ba97SEli Cohen if (err) { 1981e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1982e126ba97SEli Cohen return err; 1983e126ba97SEli Cohen } 1984e126ba97SEli Cohen 1985e126ba97SEli Cohen if (pd) { 1986e126ba97SEli Cohen if (pd->uobject) { 1987938fe83cSSaeed Mahameed __u32 max_wqes = 1988938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1989e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1990e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1991e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1992e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1993e126ba97SEli Cohen return -EINVAL; 1994e126ba97SEli Cohen } 1995938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1996e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1997938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1998e126ba97SEli Cohen return -EINVAL; 1999e126ba97SEli Cohen } 2000b11a4f9cSHaggai Eran if (init_attr->create_flags & 2001b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 2002b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 2003b11a4f9cSHaggai Eran return -EINVAL; 2004b11a4f9cSHaggai Eran } 20050fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 20060fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2007e126ba97SEli Cohen if (err) 2008e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2009e126ba97SEli Cohen } else { 201019098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 201119098df2Smajd@mellanox.com base); 2012e126ba97SEli Cohen if (err) 2013e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2014e126ba97SEli Cohen } 2015e126ba97SEli Cohen 2016e126ba97SEli Cohen if (err) 2017e126ba97SEli Cohen return err; 2018e126ba97SEli Cohen } else { 20191b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2020e126ba97SEli Cohen if (!in) 2021e126ba97SEli Cohen return -ENOMEM; 2022e126ba97SEli Cohen 2023e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2024e126ba97SEli Cohen } 2025e126ba97SEli Cohen 2026e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2027e126ba97SEli Cohen qp->port = init_attr->port_num; 2028e126ba97SEli Cohen 202909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 203009a7d9ecSSaeed Mahameed 2031e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 203209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2033e126ba97SEli Cohen 2034e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 203509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2036e126ba97SEli Cohen else 203709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 203809a7d9ecSSaeed Mahameed 2039e126ba97SEli Cohen 2040e126ba97SEli Cohen if (qp->wq_sig) 204109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2042e126ba97SEli Cohen 2043f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 204409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2045f360d88aSEli Cohen 2046051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 204709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 2048051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 204909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 2050051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 205109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 2052051f2630SLeon Romanovsky 2053e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 20545d6ff1baSYonatan Cohen configure_responder_scat_cqe(init_attr, qpc); 20556f4bc0eaSYonatan Cohen configure_requester_scat_cqe(dev, init_attr, 20566f4bc0eaSYonatan Cohen (pd && pd->uobject) ? &ucmd : NULL, 20576f4bc0eaSYonatan Cohen qpc); 2058e126ba97SEli Cohen } 2059e126ba97SEli Cohen 2060e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 206109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 206209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2063e126ba97SEli Cohen } 2064e126ba97SEli Cohen 206509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2066e126ba97SEli Cohen 20673fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 206809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 20693fd3307eSArtemy Kovalyov } else { 207009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 20713fd3307eSArtemy Kovalyov if (init_attr->srq && 20723fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 20733fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 20743fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 20753fd3307eSArtemy Kovalyov } 2076e126ba97SEli Cohen 2077e126ba97SEli Cohen /* Set default resources */ 2078e126ba97SEli Cohen switch (init_attr->qp_type) { 2079e126ba97SEli Cohen case IB_QPT_XRC_TGT: 208009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 208109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 208209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 208309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2084e126ba97SEli Cohen break; 2085e126ba97SEli Cohen case IB_QPT_XRC_INI: 208609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 208709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 208809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2089e126ba97SEli Cohen break; 2090e126ba97SEli Cohen default: 2091e126ba97SEli Cohen if (init_attr->srq) { 209209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 209309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2094e126ba97SEli Cohen } else { 209509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 209609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2097e126ba97SEli Cohen } 2098e126ba97SEli Cohen } 2099e126ba97SEli Cohen 2100e126ba97SEli Cohen if (init_attr->send_cq) 210109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2102e126ba97SEli Cohen 2103e126ba97SEli Cohen if (init_attr->recv_cq) 210409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2105e126ba97SEli Cohen 210609a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2107e126ba97SEli Cohen 2108cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 210909a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2110cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 211109a7d9ecSSaeed Mahameed 2112f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 2113f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2114f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 2115f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2116f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 2117f0313965SErez Shitrit } 2118cfb5e088SHaggai Abramovsky 2119b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 2120b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 2121b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 2122b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 2123b1383aa6SNoa Osherovich goto err; 2124b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2125b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2126b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 2127b1383aa6SNoa Osherovich } else { 2128b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 2129b1383aa6SNoa Osherovich } 2130b1383aa6SNoa Osherovich } 2131b1383aa6SNoa Osherovich 21322c292dbbSBoris Pismenny if (inlen < 0) { 21332c292dbbSBoris Pismenny err = -EINVAL; 21342c292dbbSBoris Pismenny goto err; 21352c292dbbSBoris Pismenny } 21362c292dbbSBoris Pismenny 2137c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 2138c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 21390fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 21400fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 21417f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 21427f72052cSYishai Hadas &resp); 21430fb2ed66Smajd@mellanox.com } else { 214419098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 21450fb2ed66Smajd@mellanox.com } 21460fb2ed66Smajd@mellanox.com 2147e126ba97SEli Cohen if (err) { 2148e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2149e126ba97SEli Cohen goto err_create; 2150e126ba97SEli Cohen } 2151e126ba97SEli Cohen 2152479163f4SAl Viro kvfree(in); 2153e126ba97SEli Cohen 215419098df2Smajd@mellanox.com base->container_mibqp = qp; 215519098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2156e126ba97SEli Cohen 215789ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 215889ea94a7SMaor Gottlieb &send_cq, &recv_cq); 215989ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 216089ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 216189ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 216289ea94a7SMaor Gottlieb * flow 216389ea94a7SMaor Gottlieb */ 216489ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 216589ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 216689ea94a7SMaor Gottlieb */ 216789ea94a7SMaor Gottlieb if (send_cq) 216889ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 216989ea94a7SMaor Gottlieb if (recv_cq) 217089ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 217189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 217289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 217389ea94a7SMaor Gottlieb 2174e126ba97SEli Cohen return 0; 2175e126ba97SEli Cohen 2176e126ba97SEli Cohen err_create: 2177e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2178b037c29aSEli Cohen destroy_qp_user(dev, pd, qp, base); 2179e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2180e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2181e126ba97SEli Cohen 2182b1383aa6SNoa Osherovich err: 2183479163f4SAl Viro kvfree(in); 2184e126ba97SEli Cohen return err; 2185e126ba97SEli Cohen } 2186e126ba97SEli Cohen 2187e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2188e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2189e126ba97SEli Cohen { 2190e126ba97SEli Cohen if (send_cq) { 2191e126ba97SEli Cohen if (recv_cq) { 2192e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 219389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2194e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2195e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2196e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 219789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2198e126ba97SEli Cohen __acquire(&recv_cq->lock); 2199e126ba97SEli Cohen } else { 220089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2201e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2202e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2203e126ba97SEli Cohen } 2204e126ba97SEli Cohen } else { 220589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 22066a4f139aSEli Cohen __acquire(&recv_cq->lock); 2207e126ba97SEli Cohen } 2208e126ba97SEli Cohen } else if (recv_cq) { 220989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 22106a4f139aSEli Cohen __acquire(&send_cq->lock); 22116a4f139aSEli Cohen } else { 22126a4f139aSEli Cohen __acquire(&send_cq->lock); 22136a4f139aSEli Cohen __acquire(&recv_cq->lock); 2214e126ba97SEli Cohen } 2215e126ba97SEli Cohen } 2216e126ba97SEli Cohen 2217e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2218e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2219e126ba97SEli Cohen { 2220e126ba97SEli Cohen if (send_cq) { 2221e126ba97SEli Cohen if (recv_cq) { 2222e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2223e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 222489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2225e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2226e126ba97SEli Cohen __release(&recv_cq->lock); 222789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2228e126ba97SEli Cohen } else { 2229e126ba97SEli Cohen spin_unlock(&send_cq->lock); 223089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2231e126ba97SEli Cohen } 2232e126ba97SEli Cohen } else { 22336a4f139aSEli Cohen __release(&recv_cq->lock); 223489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2235e126ba97SEli Cohen } 2236e126ba97SEli Cohen } else if (recv_cq) { 22376a4f139aSEli Cohen __release(&send_cq->lock); 223889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 22396a4f139aSEli Cohen } else { 22406a4f139aSEli Cohen __release(&recv_cq->lock); 22416a4f139aSEli Cohen __release(&send_cq->lock); 2242e126ba97SEli Cohen } 2243e126ba97SEli Cohen } 2244e126ba97SEli Cohen 2245e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2246e126ba97SEli Cohen { 2247e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2248e126ba97SEli Cohen } 2249e126ba97SEli Cohen 225089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 225189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2252e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2253e126ba97SEli Cohen { 225489ea94a7SMaor Gottlieb switch (qp_type) { 2255e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2256e126ba97SEli Cohen *send_cq = NULL; 2257e126ba97SEli Cohen *recv_cq = NULL; 2258e126ba97SEli Cohen break; 2259e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2260e126ba97SEli Cohen case IB_QPT_XRC_INI: 226189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2262e126ba97SEli Cohen *recv_cq = NULL; 2263e126ba97SEli Cohen break; 2264e126ba97SEli Cohen 2265e126ba97SEli Cohen case IB_QPT_SMI: 2266d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2267e126ba97SEli Cohen case IB_QPT_RC: 2268e126ba97SEli Cohen case IB_QPT_UC: 2269e126ba97SEli Cohen case IB_QPT_UD: 2270e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2271e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 22720fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 227389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 227489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2275e126ba97SEli Cohen break; 2276e126ba97SEli Cohen 2277e126ba97SEli Cohen case IB_QPT_MAX: 2278e126ba97SEli Cohen default: 2279e126ba97SEli Cohen *send_cq = NULL; 2280e126ba97SEli Cohen *recv_cq = NULL; 2281e126ba97SEli Cohen break; 2282e126ba97SEli Cohen } 2283e126ba97SEli Cohen } 2284e126ba97SEli Cohen 2285ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 228613eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 228713eab21fSAviv Heller u8 lag_tx_affinity); 2288ad5f8e96Smajd@mellanox.com 2289e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 2290e126ba97SEli Cohen { 2291e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2292c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 229389ea94a7SMaor Gottlieb unsigned long flags; 2294e126ba97SEli Cohen int err; 2295e126ba97SEli Cohen 229628d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 229728d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 229828d61370SYishai Hadas return; 229928d61370SYishai Hadas } 230028d61370SYishai Hadas 2301c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2302c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 23030fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 23040fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 23050fb2ed66Smajd@mellanox.com 23066aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2307c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2308c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2309ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 23101a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 23111a412fb1SSaeed Mahameed NULL, &base->mqp); 2312ad5f8e96Smajd@mellanox.com } else { 23130680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 23140680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 23150680efa2SAlex Vesker }; 23160680efa2SAlex Vesker 231713eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2318ad5f8e96Smajd@mellanox.com } 2319ad5f8e96Smajd@mellanox.com if (err) 2320427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 232119098df2Smajd@mellanox.com base->mqp.qpn); 23226aec21f6SHaggai Eran } 2323e126ba97SEli Cohen 232489ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 232589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 232689ea94a7SMaor Gottlieb 232789ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 232889ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 232989ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 233089ea94a7SMaor Gottlieb list_del(&qp->qps_list); 233189ea94a7SMaor Gottlieb if (send_cq) 233289ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 233389ea94a7SMaor Gottlieb 233489ea94a7SMaor Gottlieb if (recv_cq) 233589ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2336e126ba97SEli Cohen 2337e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 233819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2339e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2340e126ba97SEli Cohen if (send_cq != recv_cq) 234119098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 234219098df2Smajd@mellanox.com NULL); 2343e126ba97SEli Cohen } 234489ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 234589ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2346e126ba97SEli Cohen 2347c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2348c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 23490fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 23500fb2ed66Smajd@mellanox.com } else { 235119098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2352e126ba97SEli Cohen if (err) 23530fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 23540fb2ed66Smajd@mellanox.com base->mqp.qpn); 23550fb2ed66Smajd@mellanox.com } 2356e126ba97SEli Cohen 2357e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2358e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2359e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2360b037c29aSEli Cohen destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); 2361e126ba97SEli Cohen } 2362e126ba97SEli Cohen 2363e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2364e126ba97SEli Cohen { 2365e126ba97SEli Cohen switch (type) { 2366e126ba97SEli Cohen case IB_QPT_SMI: 2367e126ba97SEli Cohen return "IB_QPT_SMI"; 2368e126ba97SEli Cohen case IB_QPT_GSI: 2369e126ba97SEli Cohen return "IB_QPT_GSI"; 2370e126ba97SEli Cohen case IB_QPT_RC: 2371e126ba97SEli Cohen return "IB_QPT_RC"; 2372e126ba97SEli Cohen case IB_QPT_UC: 2373e126ba97SEli Cohen return "IB_QPT_UC"; 2374e126ba97SEli Cohen case IB_QPT_UD: 2375e126ba97SEli Cohen return "IB_QPT_UD"; 2376e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2377e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2378e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2379e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2380e126ba97SEli Cohen case IB_QPT_XRC_INI: 2381e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2382e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2383e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2384e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2385e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2386e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2387e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2388b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2389b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2390e126ba97SEli Cohen case IB_QPT_MAX: 2391e126ba97SEli Cohen default: 2392e126ba97SEli Cohen return "Invalid QP type"; 2393e126ba97SEli Cohen } 2394e126ba97SEli Cohen } 2395e126ba97SEli Cohen 2396b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2397b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 2398b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd) 2399b4aaa1f0SMoni Shoua { 2400b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2401b4aaa1f0SMoni Shoua int err = 0; 2402b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2403b4aaa1f0SMoni Shoua void *dctc; 2404b4aaa1f0SMoni Shoua 2405b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2406b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2407b4aaa1f0SMoni Shoua 2408b4aaa1f0SMoni Shoua err = get_qp_user_index(to_mucontext(pd->uobject->context), 2409b4aaa1f0SMoni Shoua ucmd, sizeof(*ucmd), &uidx); 2410b4aaa1f0SMoni Shoua if (err) 2411b4aaa1f0SMoni Shoua return ERR_PTR(err); 2412b4aaa1f0SMoni Shoua 2413b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2414b4aaa1f0SMoni Shoua if (!qp) 2415b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2416b4aaa1f0SMoni Shoua 2417b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2418b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2419b4aaa1f0SMoni Shoua err = -ENOMEM; 2420b4aaa1f0SMoni Shoua goto err_free; 2421b4aaa1f0SMoni Shoua } 2422b4aaa1f0SMoni Shoua 2423a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2424b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2425776a3906SMoni Shoua qp->qp_sub_type = MLX5_IB_QPT_DCT; 2426b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2427b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2428b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2429b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2430b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2431b4aaa1f0SMoni Shoua 24325d6ff1baSYonatan Cohen if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) 24335d6ff1baSYonatan Cohen configure_responder_scat_cqe(attr, dctc); 24345d6ff1baSYonatan Cohen 2435b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2436b4aaa1f0SMoni Shoua 2437b4aaa1f0SMoni Shoua return &qp->ibqp; 2438b4aaa1f0SMoni Shoua err_free: 2439b4aaa1f0SMoni Shoua kfree(qp); 2440b4aaa1f0SMoni Shoua return ERR_PTR(err); 2441b4aaa1f0SMoni Shoua } 2442b4aaa1f0SMoni Shoua 2443b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2444e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2445b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2446b4aaa1f0SMoni Shoua struct ib_udata *udata) 2447b4aaa1f0SMoni Shoua { 2448b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2449b4aaa1f0SMoni Shoua int err; 2450b4aaa1f0SMoni Shoua 2451b4aaa1f0SMoni Shoua if (!udata) 2452b4aaa1f0SMoni Shoua return -EINVAL; 2453b4aaa1f0SMoni Shoua 2454b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2455b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2456b4aaa1f0SMoni Shoua return -EINVAL; 2457b4aaa1f0SMoni Shoua } 2458b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2459b4aaa1f0SMoni Shoua if (err) 2460b4aaa1f0SMoni Shoua return err; 2461b4aaa1f0SMoni Shoua 2462b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2463b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2464b4aaa1f0SMoni Shoua } else { 2465b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2466b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2467b4aaa1f0SMoni Shoua } else { 2468b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2469b4aaa1f0SMoni Shoua return -EINVAL; 2470b4aaa1f0SMoni Shoua } 2471b4aaa1f0SMoni Shoua } 2472b4aaa1f0SMoni Shoua 2473b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2474b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2475b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2476b4aaa1f0SMoni Shoua } 2477b4aaa1f0SMoni Shoua 2478b4aaa1f0SMoni Shoua return 0; 2479b4aaa1f0SMoni Shoua } 2480b4aaa1f0SMoni Shoua 2481b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2482b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2483e126ba97SEli Cohen struct ib_udata *udata) 2484e126ba97SEli Cohen { 2485e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2486e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2487e126ba97SEli Cohen u16 xrcdn = 0; 2488e126ba97SEli Cohen int err; 2489b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2490b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 2491e126ba97SEli Cohen 2492e126ba97SEli Cohen if (pd) { 2493e126ba97SEli Cohen dev = to_mdev(pd->device); 24940fb2ed66Smajd@mellanox.com 24950fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 24960fb2ed66Smajd@mellanox.com if (!pd->uobject) { 24970fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 24980fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 24990fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 25000fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 25010fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 25020fb2ed66Smajd@mellanox.com } 25030fb2ed66Smajd@mellanox.com } 250409f16cf5SMajd Dibbiny } else { 250509f16cf5SMajd Dibbiny /* being cautious here */ 250609f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 250709f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 250809f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 250909f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 251009f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 251109f16cf5SMajd Dibbiny } 251209f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2513e126ba97SEli Cohen } 2514e126ba97SEli Cohen 2515b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2516b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2517b4aaa1f0SMoni Shoua 2518b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2519b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2520b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2521b4aaa1f0SMoni Shoua if (err) 2522b4aaa1f0SMoni Shoua return ERR_PTR(err); 2523c32a4f29SMoni Shoua 2524c32a4f29SMoni Shoua if (init_attr->qp_type == MLX5_IB_QPT_DCI) { 2525c32a4f29SMoni Shoua if (init_attr->cap.max_recv_wr || 2526c32a4f29SMoni Shoua init_attr->cap.max_recv_sge) { 2527c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); 2528c32a4f29SMoni Shoua return ERR_PTR(-EINVAL); 2529c32a4f29SMoni Shoua } 2530776a3906SMoni Shoua } else { 2531776a3906SMoni Shoua return mlx5_ib_create_dct(pd, init_attr, &ucmd); 2532c32a4f29SMoni Shoua } 2533b4aaa1f0SMoni Shoua } 2534b4aaa1f0SMoni Shoua 2535e126ba97SEli Cohen switch (init_attr->qp_type) { 2536e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2537e126ba97SEli Cohen case IB_QPT_XRC_INI: 2538938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2539e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2540e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2541e126ba97SEli Cohen } 2542e126ba97SEli Cohen init_attr->recv_cq = NULL; 2543e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2544e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2545e126ba97SEli Cohen init_attr->send_cq = NULL; 2546e126ba97SEli Cohen } 2547e126ba97SEli Cohen 2548e126ba97SEli Cohen /* fall through */ 25490fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2550e126ba97SEli Cohen case IB_QPT_RC: 2551e126ba97SEli Cohen case IB_QPT_UC: 2552e126ba97SEli Cohen case IB_QPT_UD: 2553e126ba97SEli Cohen case IB_QPT_SMI: 2554d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2555e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2556c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: 2557e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2558e126ba97SEli Cohen if (!qp) 2559e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2560e126ba97SEli Cohen 2561e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2562e126ba97SEli Cohen if (err) { 2563e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2564e126ba97SEli Cohen kfree(qp); 2565e126ba97SEli Cohen return ERR_PTR(err); 2566e126ba97SEli Cohen } 2567e126ba97SEli Cohen 2568e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2569e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2570e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2571e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2572e126ba97SEli Cohen else 257319098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2574e126ba97SEli Cohen 2575e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 257619098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2577a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2578a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2579e126ba97SEli Cohen 258019098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2581e126ba97SEli Cohen 2582e126ba97SEli Cohen break; 2583e126ba97SEli Cohen 2584d16e91daSHaggai Eran case IB_QPT_GSI: 2585d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2586d16e91daSHaggai Eran 2587e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2588e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2589e126ba97SEli Cohen case IB_QPT_MAX: 2590e126ba97SEli Cohen default: 2591e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2592e126ba97SEli Cohen init_attr->qp_type); 2593e126ba97SEli Cohen /* Don't support raw QPs */ 2594e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2595e126ba97SEli Cohen } 2596e126ba97SEli Cohen 2597b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2598b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2599b4aaa1f0SMoni Shoua 2600e126ba97SEli Cohen return &qp->ibqp; 2601e126ba97SEli Cohen } 2602e126ba97SEli Cohen 2603776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2604776a3906SMoni Shoua { 2605776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2606776a3906SMoni Shoua 2607776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2608776a3906SMoni Shoua int err; 2609776a3906SMoni Shoua 2610776a3906SMoni Shoua err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); 2611776a3906SMoni Shoua if (err) { 2612776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2613776a3906SMoni Shoua return err; 2614776a3906SMoni Shoua } 2615776a3906SMoni Shoua } 2616776a3906SMoni Shoua 2617776a3906SMoni Shoua kfree(mqp->dct.in); 2618776a3906SMoni Shoua kfree(mqp); 2619776a3906SMoni Shoua return 0; 2620776a3906SMoni Shoua } 2621776a3906SMoni Shoua 2622e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2623e126ba97SEli Cohen { 2624e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2625e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2626e126ba97SEli Cohen 2627d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2628d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2629d16e91daSHaggai Eran 2630776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2631776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2632776a3906SMoni Shoua 2633e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2634e126ba97SEli Cohen 2635e126ba97SEli Cohen kfree(mqp); 2636e126ba97SEli Cohen 2637e126ba97SEli Cohen return 0; 2638e126ba97SEli Cohen } 2639e126ba97SEli Cohen 2640a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2641a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2642a60109dcSYonatan Cohen int attr_mask, __be32 *hw_access_flags) 2643e126ba97SEli Cohen { 2644e126ba97SEli Cohen u8 dest_rd_atomic; 2645e126ba97SEli Cohen u32 access_flags; 2646e126ba97SEli Cohen 2647a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2648a60109dcSYonatan Cohen 2649e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2650e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2651e126ba97SEli Cohen else 265219098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2653e126ba97SEli Cohen 2654e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2655e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2656e126ba97SEli Cohen else 265719098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2658e126ba97SEli Cohen 2659e126ba97SEli Cohen if (!dest_rd_atomic) 2660e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2661e126ba97SEli Cohen 2662e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2663a60109dcSYonatan Cohen *hw_access_flags |= MLX5_QP_BIT_RRE; 2664a60109dcSYonatan Cohen if ((access_flags & IB_ACCESS_REMOTE_ATOMIC) && 2665a60109dcSYonatan Cohen qp->ibqp.qp_type == IB_QPT_RC) { 2666a60109dcSYonatan Cohen int atomic_mode; 2667e126ba97SEli Cohen 2668a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2669a60109dcSYonatan Cohen if (atomic_mode < 0) 2670a60109dcSYonatan Cohen return -EOPNOTSUPP; 2671a60109dcSYonatan Cohen 2672a60109dcSYonatan Cohen *hw_access_flags |= MLX5_QP_BIT_RAE; 2673a60109dcSYonatan Cohen *hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2674a60109dcSYonatan Cohen } 2675a60109dcSYonatan Cohen 2676a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2677a60109dcSYonatan Cohen *hw_access_flags |= MLX5_QP_BIT_RWE; 2678a60109dcSYonatan Cohen 2679a60109dcSYonatan Cohen *hw_access_flags = cpu_to_be32(*hw_access_flags); 2680a60109dcSYonatan Cohen 2681a60109dcSYonatan Cohen return 0; 2682e126ba97SEli Cohen } 2683e126ba97SEli Cohen 2684e126ba97SEli Cohen enum { 2685e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2686e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2687e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2688e126ba97SEli Cohen }; 2689e126ba97SEli Cohen 2690e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2691e126ba97SEli Cohen { 26924f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2693e126ba97SEli Cohen return 0; 26944f32ac2eSDanit Goldberg 26954f32ac2eSDanit Goldberg if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) 2696e126ba97SEli Cohen return -EINVAL; 26974f32ac2eSDanit Goldberg 26984f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2699e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2700938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2701e126ba97SEli Cohen --rate; 2702e126ba97SEli Cohen 27034f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2704e126ba97SEli Cohen } 2705e126ba97SEli Cohen 270675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 27071cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 27081cd6dbd3SYishai Hadas struct ib_pd *pd) 270975850d0bSmajd@mellanox.com { 271075850d0bSmajd@mellanox.com void *in; 271175850d0bSmajd@mellanox.com void *tisc; 271275850d0bSmajd@mellanox.com int inlen; 271375850d0bSmajd@mellanox.com int err; 271475850d0bSmajd@mellanox.com 271575850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 27161b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 271775850d0bSmajd@mellanox.com if (!in) 271875850d0bSmajd@mellanox.com return -ENOMEM; 271975850d0bSmajd@mellanox.com 272075850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 27211cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 272275850d0bSmajd@mellanox.com 272375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 272475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 272575850d0bSmajd@mellanox.com 272675850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 272775850d0bSmajd@mellanox.com 272875850d0bSmajd@mellanox.com kvfree(in); 272975850d0bSmajd@mellanox.com 273075850d0bSmajd@mellanox.com return err; 273175850d0bSmajd@mellanox.com } 273275850d0bSmajd@mellanox.com 273313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 27341cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 27351cd6dbd3SYishai Hadas struct ib_pd *pd) 273613eab21fSAviv Heller { 273713eab21fSAviv Heller void *in; 273813eab21fSAviv Heller void *tisc; 273913eab21fSAviv Heller int inlen; 274013eab21fSAviv Heller int err; 274113eab21fSAviv Heller 274213eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 27431b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 274413eab21fSAviv Heller if (!in) 274513eab21fSAviv Heller return -ENOMEM; 274613eab21fSAviv Heller 274713eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 27481cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 274913eab21fSAviv Heller 275013eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 275113eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 275213eab21fSAviv Heller 275313eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 275413eab21fSAviv Heller 275513eab21fSAviv Heller kvfree(in); 275613eab21fSAviv Heller 275713eab21fSAviv Heller return err; 275813eab21fSAviv Heller } 275913eab21fSAviv Heller 276075850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 276190898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2762e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2763f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2764f879ee8dSAchiad Shochat bool alt) 2765e126ba97SEli Cohen { 2766d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2767e126ba97SEli Cohen int err; 2768ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2769d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2770d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2771e126ba97SEli Cohen 2772e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2773f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2774f879ee8dSAchiad Shochat attr->pkey_index); 2775e126ba97SEli Cohen 2776d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2777d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2778938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2779f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2780d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2781938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2782f83b4263SEli Cohen return -EINVAL; 2783f83b4263SEli Cohen } 27842811ba51SAchiad Shochat } 278544c58487SDasaratharaman Chandramouli 278644c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2787d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 27882811ba51SAchiad Shochat return -EINVAL; 278947ec3866SParav Pandit 279044c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 27912b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 27922b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 27932b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 27942b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 279547ec3866SParav Pandit path->udp_sport = 279647ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 2797d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 279847ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 2799ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2800d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 28012811ba51SAchiad Shochat } else { 2802d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2803d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2804d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2805d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2806d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2807d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2808e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2809d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 28102811ba51SAchiad Shochat } 28112811ba51SAchiad Shochat 2812d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2813d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2814d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2815e126ba97SEli Cohen path->tclass_flowlabel = 2816d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2817d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2818d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2819e126ba97SEli Cohen } 2820e126ba97SEli Cohen 2821d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2822e126ba97SEli Cohen if (err < 0) 2823e126ba97SEli Cohen return err; 2824e126ba97SEli Cohen path->static_rate = err; 2825e126ba97SEli Cohen path->port = port; 2826e126ba97SEli Cohen 2827e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2828f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2829e126ba97SEli Cohen 283075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 283175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 283275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 28331cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 283475850d0bSmajd@mellanox.com 2835e126ba97SEli Cohen return 0; 2836e126ba97SEli Cohen } 2837e126ba97SEli Cohen 2838e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2839e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2840e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2841e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2842e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2843e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2844e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2845e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2846e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2847e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2848e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2849e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2850e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2851e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2852e126ba97SEli Cohen }, 2853e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2854e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2855e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2856e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2857e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2858e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2859e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2860e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2861e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2862e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2863e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2864e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2865e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2866a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2867a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2868a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2869a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2870a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2871e126ba97SEli Cohen }, 2872e126ba97SEli Cohen }, 2873e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2874e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2875e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2876e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2877e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2878e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2879e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2880e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2881e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2882e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2883e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2884e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2885e126ba97SEli Cohen }, 2886e126ba97SEli Cohen }, 2887e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2888e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2889e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2890e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2891e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2892e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2893c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2894c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2895e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2896c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2897c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2898e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2899e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2900e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2901e126ba97SEli Cohen }, 2902e126ba97SEli Cohen }, 2903e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2904e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2905e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2906e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 290775959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2908a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2909a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2910a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2911a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2912e126ba97SEli Cohen }, 2913e126ba97SEli Cohen }, 2914e126ba97SEli Cohen }; 2915e126ba97SEli Cohen 2916e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2917e126ba97SEli Cohen { 2918e126ba97SEli Cohen switch (ib_mask) { 2919e126ba97SEli Cohen case IB_QP_STATE: 2920e126ba97SEli Cohen return 0; 2921e126ba97SEli Cohen case IB_QP_CUR_STATE: 2922e126ba97SEli Cohen return 0; 2923e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2924e126ba97SEli Cohen return 0; 2925e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2926e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2927e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2928e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2929e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2930e126ba97SEli Cohen case IB_QP_PORT: 2931e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2932e126ba97SEli Cohen case IB_QP_QKEY: 2933e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2934e126ba97SEli Cohen case IB_QP_AV: 2935e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2936e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2937e126ba97SEli Cohen case IB_QP_PATH_MTU: 2938e126ba97SEli Cohen return 0; 2939e126ba97SEli Cohen case IB_QP_TIMEOUT: 2940e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2941e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2942e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2943e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2944e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2945e126ba97SEli Cohen case IB_QP_RQ_PSN: 2946e126ba97SEli Cohen return 0; 2947e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2948e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2949e126ba97SEli Cohen case IB_QP_ALT_PATH: 2950e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2951e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2952e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2953e126ba97SEli Cohen case IB_QP_SQ_PSN: 2954e126ba97SEli Cohen return 0; 2955e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2956e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2957e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2958e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2959e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2960e126ba97SEli Cohen case IB_QP_CAP: 2961e126ba97SEli Cohen return 0; 2962e126ba97SEli Cohen case IB_QP_DEST_QPN: 2963e126ba97SEli Cohen return 0; 2964e126ba97SEli Cohen } 2965e126ba97SEli Cohen return 0; 2966e126ba97SEli Cohen } 2967e126ba97SEli Cohen 2968e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2969e126ba97SEli Cohen { 2970e126ba97SEli Cohen int result = 0; 2971e126ba97SEli Cohen int i; 2972e126ba97SEli Cohen 2973e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2974e126ba97SEli Cohen if ((1 << i) & ib_mask) 2975e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2976e126ba97SEli Cohen } 2977e126ba97SEli Cohen 2978e126ba97SEli Cohen return result; 2979e126ba97SEli Cohen } 2980e126ba97SEli Cohen 298134d57585SYishai Hadas static int modify_raw_packet_qp_rq( 298234d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 298334d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 2984ad5f8e96Smajd@mellanox.com { 2985ad5f8e96Smajd@mellanox.com void *in; 2986ad5f8e96Smajd@mellanox.com void *rqc; 2987ad5f8e96Smajd@mellanox.com int inlen; 2988ad5f8e96Smajd@mellanox.com int err; 2989ad5f8e96Smajd@mellanox.com 2990ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 29911b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2992ad5f8e96Smajd@mellanox.com if (!in) 2993ad5f8e96Smajd@mellanox.com return -ENOMEM; 2994ad5f8e96Smajd@mellanox.com 2995ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 299634d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 2997ad5f8e96Smajd@mellanox.com 2998ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2999ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3000ad5f8e96Smajd@mellanox.com 3001eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3002eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3003eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 300423a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3005eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3006eb49ab0cSAlex Vesker } else 30075a738b5dSJason Gunthorpe dev_info_once( 30085a738b5dSJason Gunthorpe &dev->ib_dev.dev, 30095a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3010eb49ab0cSAlex Vesker } 3011eb49ab0cSAlex Vesker 3012eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 3013ad5f8e96Smajd@mellanox.com if (err) 3014ad5f8e96Smajd@mellanox.com goto out; 3015ad5f8e96Smajd@mellanox.com 3016ad5f8e96Smajd@mellanox.com rq->state = new_state; 3017ad5f8e96Smajd@mellanox.com 3018ad5f8e96Smajd@mellanox.com out: 3019ad5f8e96Smajd@mellanox.com kvfree(in); 3020ad5f8e96Smajd@mellanox.com return err; 3021ad5f8e96Smajd@mellanox.com } 3022ad5f8e96Smajd@mellanox.com 3023c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3024c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3025c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3026ad5f8e96Smajd@mellanox.com { 30277d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 302861147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 302961147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 303061147f39SBodong Wang bool new_rate_added = false; 30317d29f349SBodong Wang u16 rl_index = 0; 3032ad5f8e96Smajd@mellanox.com void *in; 3033ad5f8e96Smajd@mellanox.com void *sqc; 3034ad5f8e96Smajd@mellanox.com int inlen; 3035ad5f8e96Smajd@mellanox.com int err; 3036ad5f8e96Smajd@mellanox.com 3037ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 30381b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3039ad5f8e96Smajd@mellanox.com if (!in) 3040ad5f8e96Smajd@mellanox.com return -ENOMEM; 3041ad5f8e96Smajd@mellanox.com 3042c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3043ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3044ad5f8e96Smajd@mellanox.com 3045ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3046ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3047ad5f8e96Smajd@mellanox.com 30487d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 30497d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 30507d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 30517d29f349SBodong Wang __func__); 30527d29f349SBodong Wang else 305361147f39SBodong Wang new_rl = raw_qp_param->rl; 30547d29f349SBodong Wang } 3055ad5f8e96Smajd@mellanox.com 305661147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 305761147f39SBodong Wang if (new_rl.rate) { 305861147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 30597d29f349SBodong Wang if (err) { 306061147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 306161147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 306261147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 306361147f39SBodong Wang new_rl.typical_pkt_sz); 306461147f39SBodong Wang 30657d29f349SBodong Wang goto out; 30667d29f349SBodong Wang } 306761147f39SBodong Wang new_rate_added = true; 30687d29f349SBodong Wang } 30697d29f349SBodong Wang 30707d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 307161147f39SBodong Wang /* index 0 means no limit */ 30727d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 30737d29f349SBodong Wang } 30747d29f349SBodong Wang 30757d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 30767d29f349SBodong Wang if (err) { 30777d29f349SBodong Wang /* Remove new rate from table if failed */ 307861147f39SBodong Wang if (new_rate_added) 307961147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 30807d29f349SBodong Wang goto out; 30817d29f349SBodong Wang } 30827d29f349SBodong Wang 30837d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 308461147f39SBodong Wang if ((old_rl.rate && 308561147f39SBodong Wang !mlx5_rl_are_equal(&old_rl, &new_rl)) || 30867d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 308761147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 30887d29f349SBodong Wang 308961147f39SBodong Wang ibqp->rl = new_rl; 3090ad5f8e96Smajd@mellanox.com sq->state = new_state; 3091ad5f8e96Smajd@mellanox.com 3092ad5f8e96Smajd@mellanox.com out: 3093ad5f8e96Smajd@mellanox.com kvfree(in); 3094ad5f8e96Smajd@mellanox.com return err; 3095ad5f8e96Smajd@mellanox.com } 3096ad5f8e96Smajd@mellanox.com 3097ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 309813eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 309913eab21fSAviv Heller u8 tx_affinity) 3100ad5f8e96Smajd@mellanox.com { 3101ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3102ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3103ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 31047d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 31057d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3106ad5f8e96Smajd@mellanox.com int rq_state; 3107ad5f8e96Smajd@mellanox.com int sq_state; 3108ad5f8e96Smajd@mellanox.com int err; 3109ad5f8e96Smajd@mellanox.com 31100680efa2SAlex Vesker switch (raw_qp_param->operation) { 3111ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3112ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3113ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3114ad5f8e96Smajd@mellanox.com break; 3115ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3116ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3117ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3118ad5f8e96Smajd@mellanox.com break; 3119ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3120ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3121ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3122ad5f8e96Smajd@mellanox.com break; 3123ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3124ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 31257d29f349SBodong Wang if (raw_qp_param->set_mask == 31267d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 31277d29f349SBodong Wang modify_rq = 0; 31287d29f349SBodong Wang sq_state = sq->state; 31297d29f349SBodong Wang } else { 31307d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 31317d29f349SBodong Wang } 31327d29f349SBodong Wang break; 31337d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 31347d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3135eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3136eb49ab0cSAlex Vesker return -EINVAL; 3137eb49ab0cSAlex Vesker else 3138ad5f8e96Smajd@mellanox.com return 0; 3139ad5f8e96Smajd@mellanox.com default: 3140ad5f8e96Smajd@mellanox.com WARN_ON(1); 3141ad5f8e96Smajd@mellanox.com return -EINVAL; 3142ad5f8e96Smajd@mellanox.com } 3143ad5f8e96Smajd@mellanox.com 31447d29f349SBodong Wang if (modify_rq) { 314534d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 314634d57585SYishai Hadas qp->ibqp.pd); 3147ad5f8e96Smajd@mellanox.com if (err) 3148ad5f8e96Smajd@mellanox.com return err; 3149ad5f8e96Smajd@mellanox.com } 3150ad5f8e96Smajd@mellanox.com 31517d29f349SBodong Wang if (modify_sq) { 315213eab21fSAviv Heller if (tx_affinity) { 315313eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 31541cd6dbd3SYishai Hadas tx_affinity, 31551cd6dbd3SYishai Hadas qp->ibqp.pd); 315613eab21fSAviv Heller if (err) 315713eab21fSAviv Heller return err; 315813eab21fSAviv Heller } 315913eab21fSAviv Heller 3160c14003f0SYishai Hadas return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3161c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 316213eab21fSAviv Heller } 3163ad5f8e96Smajd@mellanox.com 3164ad5f8e96Smajd@mellanox.com return 0; 3165ad5f8e96Smajd@mellanox.com } 3166ad5f8e96Smajd@mellanox.com 3167c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3168c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3169c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 3170c6a21c38SMajd Dibbiny u8 port_num) 3171c6a21c38SMajd Dibbiny { 3172c6a21c38SMajd Dibbiny struct mlx5_ib_ucontext *ucontext = NULL; 3173c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3174c6a21c38SMajd Dibbiny 3175c6a21c38SMajd Dibbiny if (pd && pd->ibpd.uobject && pd->ibpd.uobject->context) 3176c6a21c38SMajd Dibbiny ucontext = to_mucontext(pd->ibpd.uobject->context); 3177c6a21c38SMajd Dibbiny 3178c6a21c38SMajd Dibbiny if (ucontext) { 3179c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3180c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3181c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3182c6a21c38SMajd Dibbiny 1; 3183c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3184c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3185c6a21c38SMajd Dibbiny } else { 3186c6a21c38SMajd Dibbiny tx_port_affinity = 3187c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 3188c6a21c38SMajd Dibbiny 1, &dev->roce[port_num].tx_port_affinity) % 3189c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3190c6a21c38SMajd Dibbiny 1; 3191c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3192c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3193c6a21c38SMajd Dibbiny } 3194c6a21c38SMajd Dibbiny 3195c6a21c38SMajd Dibbiny return tx_port_affinity; 3196c6a21c38SMajd Dibbiny } 3197c6a21c38SMajd Dibbiny 3198e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3199e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 320061147f39SBodong Wang enum ib_qp_state cur_state, enum ib_qp_state new_state, 320161147f39SBodong Wang const struct mlx5_ib_modify_qp *ucmd) 3202e126ba97SEli Cohen { 3203427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3204427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3205427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3206427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3207427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3208427c1e7bSmajd@mellanox.com }, 3209427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3210427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3211427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3212427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3213427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3214427c1e7bSmajd@mellanox.com }, 3215427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3216427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3217427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3218427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3219427c1e7bSmajd@mellanox.com }, 3220427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3221427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3222427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3223427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3224427c1e7bSmajd@mellanox.com }, 3225427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3226427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3227427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3228427c1e7bSmajd@mellanox.com }, 3229427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3230427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3231427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3232427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3233427c1e7bSmajd@mellanox.com }, 3234427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3235427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3236427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3237427c1e7bSmajd@mellanox.com } 3238427c1e7bSmajd@mellanox.com }; 3239427c1e7bSmajd@mellanox.com 3240e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3241e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 324219098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3243e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3244e126ba97SEli Cohen struct mlx5_qp_context *context; 3245e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3246eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 3247e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3248e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3249e126ba97SEli Cohen int mlx5_st; 3250e126ba97SEli Cohen int err; 3251427c1e7bSmajd@mellanox.com u16 op; 325213eab21fSAviv Heller u8 tx_affinity = 0; 3253e126ba97SEli Cohen 325455de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 325555de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 325655de9a77SLeon Romanovsky if (mlx5_st < 0) 325755de9a77SLeon Romanovsky return -EINVAL; 325855de9a77SLeon Romanovsky 32591a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 32601a412fb1SSaeed Mahameed if (!context) 3261e126ba97SEli Cohen return -ENOMEM; 3262e126ba97SEli Cohen 3263c6a21c38SMajd Dibbiny pd = get_pd(qp); 326455de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3265e126ba97SEli Cohen 3266e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3267e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3268e126ba97SEli Cohen } else { 3269e126ba97SEli Cohen switch (attr->path_mig_state) { 3270e126ba97SEli Cohen case IB_MIG_MIGRATED: 3271e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3272e126ba97SEli Cohen break; 3273e126ba97SEli Cohen case IB_MIG_REARM: 3274e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3275e126ba97SEli Cohen break; 3276e126ba97SEli Cohen case IB_MIG_ARMED: 3277e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3278e126ba97SEli Cohen break; 3279e126ba97SEli Cohen } 3280e126ba97SEli Cohen } 3281e126ba97SEli Cohen 328213eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 328313eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 328413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 328513eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 328613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 328713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 328813eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 328913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 329013eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 32917fd8aefbSDaniel Jurgens u8 p = mlx5_core_native_port_num(dev->mdev); 3292c6a21c38SMajd Dibbiny tx_affinity = get_tx_affinity(dev, pd, base, p); 329313eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 329413eab21fSAviv Heller } 329513eab21fSAviv Heller } 329613eab21fSAviv Heller } 329713eab21fSAviv Heller 3298d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3299e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3300c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 3301c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 3302e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3303e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3304e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3305e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3306e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3307e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3308e126ba97SEli Cohen err = -EINVAL; 3309e126ba97SEli Cohen goto out; 3310e126ba97SEli Cohen } 3311938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3312938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3313e126ba97SEli Cohen } 3314e126ba97SEli Cohen 3315e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3316e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3317e126ba97SEli Cohen 3318e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3319d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3320e126ba97SEli Cohen 3321e126ba97SEli Cohen /* todo implement counter_index functionality */ 3322e126ba97SEli Cohen 3323e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3324e126ba97SEli Cohen context->pri_path.port = qp->port; 3325e126ba97SEli Cohen 3326e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3327e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3328e126ba97SEli Cohen 3329e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 333075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3331e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3332f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3333e126ba97SEli Cohen if (err) 3334e126ba97SEli Cohen goto out; 3335e126ba97SEli Cohen } 3336e126ba97SEli Cohen 3337e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3338e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3339e126ba97SEli Cohen 3340e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 334175850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 334275850d0bSmajd@mellanox.com &context->alt_path, 3343f879ee8dSAchiad Shochat attr->alt_port_num, 3344f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3345f879ee8dSAchiad Shochat 0, attr, true); 3346e126ba97SEli Cohen if (err) 3347e126ba97SEli Cohen goto out; 3348e126ba97SEli Cohen } 3349e126ba97SEli Cohen 335089ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 335189ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3352e126ba97SEli Cohen 3353e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3354e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3355e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3356e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3357e126ba97SEli Cohen 3358e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3359e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3360e126ba97SEli Cohen 3361e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3362e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3363e126ba97SEli Cohen 3364e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3365e126ba97SEli Cohen if (attr->max_rd_atomic) 3366e126ba97SEli Cohen context->params1 |= 3367e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3368e126ba97SEli Cohen } 3369e126ba97SEli Cohen 3370e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3371e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3372e126ba97SEli Cohen 3373e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3374e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3375e126ba97SEli Cohen context->params2 |= 3376e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3377e126ba97SEli Cohen } 3378e126ba97SEli Cohen 3379a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3380a60109dcSYonatan Cohen __be32 access_flags = 0; 3381a60109dcSYonatan Cohen 3382a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3383a60109dcSYonatan Cohen if (err) 3384a60109dcSYonatan Cohen goto out; 3385a60109dcSYonatan Cohen 3386a60109dcSYonatan Cohen context->params2 |= access_flags; 3387a60109dcSYonatan Cohen } 3388e126ba97SEli Cohen 3389e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3390e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3391e126ba97SEli Cohen 3392e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3393e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3394e126ba97SEli Cohen 3395e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3396e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3397e126ba97SEli Cohen 3398e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3399e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3400e126ba97SEli Cohen 34010837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 34020837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 34030837e86aSMark Bloch qp->port) - 1; 3404c2e53b2cSYishai Hadas 3405c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3406c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3407c2e53b2cSYishai Hadas port_num = 0; 3408c2e53b2cSYishai Hadas 3409eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 34100837e86aSMark Bloch context->qp_counter_set_usr_page |= 3411e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 34120837e86aSMark Bloch } 34130837e86aSMark Bloch 3414e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3415e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3416e126ba97SEli Cohen 3417b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3418b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3419e126ba97SEli Cohen 3420e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3421e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3422e126ba97SEli Cohen 3423427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 34245d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 34255d414b17SDan Carpenter err = -EINVAL; 3426427c1e7bSmajd@mellanox.com goto out; 34275d414b17SDan Carpenter } 3428427c1e7bSmajd@mellanox.com 3429427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3430e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3431e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3432ad5f8e96Smajd@mellanox.com 3433c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3434c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 34350680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 34360680efa2SAlex Vesker 34370680efa2SAlex Vesker raw_qp_param.operation = op; 3438eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3439e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 3440eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3441eb49ab0cSAlex Vesker } 34427d29f349SBodong Wang 34437d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 344461147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 344561147f39SBodong Wang 344661147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 344761147f39SBodong Wang if (attr->rate_limit && 344861147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 344961147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 345061147f39SBodong Wang ucmd->burst_info.max_burst_sz; 345161147f39SBodong Wang } else { 345261147f39SBodong Wang err = -EINVAL; 345361147f39SBodong Wang goto out; 345461147f39SBodong Wang } 345561147f39SBodong Wang } 345661147f39SBodong Wang 345761147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 345861147f39SBodong Wang if (attr->rate_limit && 345961147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 346061147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 346161147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 346261147f39SBodong Wang } else { 346361147f39SBodong Wang err = -EINVAL; 346461147f39SBodong Wang goto out; 346561147f39SBodong Wang } 346661147f39SBodong Wang } 346761147f39SBodong Wang 34687d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 34697d29f349SBodong Wang } 34707d29f349SBodong Wang 347113eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 34720680efa2SAlex Vesker } else { 34731a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 347419098df2Smajd@mellanox.com &base->mqp); 34750680efa2SAlex Vesker } 34760680efa2SAlex Vesker 3477e126ba97SEli Cohen if (err) 3478e126ba97SEli Cohen goto out; 3479e126ba97SEli Cohen 3480e126ba97SEli Cohen qp->state = new_state; 3481e126ba97SEli Cohen 3482e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 348319098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3484e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 348519098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3486e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3487e126ba97SEli Cohen qp->port = attr->port_num; 3488e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 348919098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3490e126ba97SEli Cohen 3491e126ba97SEli Cohen /* 3492e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3493e126ba97SEli Cohen * entries and reinitialize the QP. 3494e126ba97SEli Cohen */ 349575a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 349675a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 349719098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3498e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3499e126ba97SEli Cohen if (send_cq != recv_cq) 350019098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3501e126ba97SEli Cohen 3502e126ba97SEli Cohen qp->rq.head = 0; 3503e126ba97SEli Cohen qp->rq.tail = 0; 3504e126ba97SEli Cohen qp->sq.head = 0; 3505e126ba97SEli Cohen qp->sq.tail = 0; 3506e126ba97SEli Cohen qp->sq.cur_post = 0; 350734f4c955SGuy Levi if (qp->sq.wqe_cnt) 350834f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3509e126ba97SEli Cohen qp->sq.last_poll = 0; 3510e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3511e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3512e126ba97SEli Cohen } 3513e126ba97SEli Cohen 3514e126ba97SEli Cohen out: 35151a412fb1SSaeed Mahameed kfree(context); 3516e126ba97SEli Cohen return err; 3517e126ba97SEli Cohen } 3518e126ba97SEli Cohen 3519c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3520c32a4f29SMoni Shoua { 3521c32a4f29SMoni Shoua if ((mask & req) != req) 3522c32a4f29SMoni Shoua return false; 3523c32a4f29SMoni Shoua 3524c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3525c32a4f29SMoni Shoua return false; 3526c32a4f29SMoni Shoua 3527c32a4f29SMoni Shoua return true; 3528c32a4f29SMoni Shoua } 3529c32a4f29SMoni Shoua 3530c32a4f29SMoni Shoua /* check valid transition for driver QP types 3531c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3532c32a4f29SMoni Shoua */ 3533c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3534c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3535c32a4f29SMoni Shoua { 3536c32a4f29SMoni Shoua int req = IB_QP_STATE; 3537c32a4f29SMoni Shoua int opt = 0; 3538c32a4f29SMoni Shoua 353999ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 354099ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 354199ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3542c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3543c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3544c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3545c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3546c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3547c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3548c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 35495ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3550c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3551c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3552c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3553c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3554c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3555c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3556c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3557c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3558c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3559c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3560c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3561c32a4f29SMoni Shoua } 3562c32a4f29SMoni Shoua return false; 3563c32a4f29SMoni Shoua } 3564c32a4f29SMoni Shoua 3565776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3566776a3906SMoni Shoua * valid transitions are: 3567776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3568776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3569776a3906SMoni Shoua * mtu, gid_index and hop_limit 3570776a3906SMoni Shoua * Other transitions and attributes are illegal 3571776a3906SMoni Shoua */ 3572776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3573776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3574776a3906SMoni Shoua { 3575776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3576776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3577776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3578776a3906SMoni Shoua int err = 0; 3579776a3906SMoni Shoua int required = IB_QP_STATE; 3580776a3906SMoni Shoua void *dctc; 3581776a3906SMoni Shoua 3582776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3583776a3906SMoni Shoua return -EINVAL; 3584776a3906SMoni Shoua 3585776a3906SMoni Shoua cur_state = qp->state; 3586776a3906SMoni Shoua new_state = attr->qp_state; 3587776a3906SMoni Shoua 3588776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3589776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3590776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3591776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3592776a3906SMoni Shoua return -EINVAL; 3593776a3906SMoni Shoua 3594776a3906SMoni Shoua if (attr->port_num == 0 || 3595776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3596776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3597776a3906SMoni Shoua attr->port_num, dev->num_ports); 3598776a3906SMoni Shoua return -EINVAL; 3599776a3906SMoni Shoua } 3600776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3601776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3602776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3603776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3604776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3605a60109dcSYonatan Cohen int atomic_mode; 3606a60109dcSYonatan Cohen 3607a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3608a60109dcSYonatan Cohen if (atomic_mode < 0) 3609776a3906SMoni Shoua return -EOPNOTSUPP; 3610a60109dcSYonatan Cohen 3611a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3612776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3613776a3906SMoni Shoua } 3614776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3615776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 3616776a3906SMoni Shoua MLX5_SET(dctc, dctc, counter_set_id, dev->port[attr->port_num - 1].cnts.set_id); 3617776a3906SMoni Shoua 3618776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3619776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3620776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3621776a3906SMoni Shoua sizeof(resp.dctn); 3622776a3906SMoni Shoua 3623776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3624776a3906SMoni Shoua return -EINVAL; 3625776a3906SMoni Shoua resp.response_length = min_resp_len; 3626776a3906SMoni Shoua 3627776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3628776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3629776a3906SMoni Shoua return -EINVAL; 3630776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3631776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3632776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3633776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3634776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3635776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3636776a3906SMoni Shoua 3637776a3906SMoni Shoua err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, 3638776a3906SMoni Shoua MLX5_ST_SZ_BYTES(create_dct_in)); 3639776a3906SMoni Shoua if (err) 3640776a3906SMoni Shoua return err; 3641776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3642776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3643776a3906SMoni Shoua if (err) { 3644776a3906SMoni Shoua mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); 3645776a3906SMoni Shoua return err; 3646776a3906SMoni Shoua } 3647776a3906SMoni Shoua } else { 3648776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3649776a3906SMoni Shoua return -EINVAL; 3650776a3906SMoni Shoua } 3651776a3906SMoni Shoua if (err) 3652776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3653776a3906SMoni Shoua else 3654776a3906SMoni Shoua qp->state = new_state; 3655776a3906SMoni Shoua return err; 3656776a3906SMoni Shoua } 3657776a3906SMoni Shoua 3658e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3659e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3660e126ba97SEli Cohen { 3661e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3662e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 366361147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3664d16e91daSHaggai Eran enum ib_qp_type qp_type; 3665e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 366661147f39SBodong Wang size_t required_cmd_sz; 3667e126ba97SEli Cohen int err = -EINVAL; 3668e126ba97SEli Cohen int port; 3669e126ba97SEli Cohen 367028d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 367128d61370SYishai Hadas return -ENOSYS; 367228d61370SYishai Hadas 367361147f39SBodong Wang if (udata && udata->inlen) { 367461147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 367561147f39SBodong Wang sizeof(ucmd.reserved); 367661147f39SBodong Wang if (udata->inlen < required_cmd_sz) 367761147f39SBodong Wang return -EINVAL; 367861147f39SBodong Wang 367961147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 368061147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 368161147f39SBodong Wang udata->inlen - sizeof(ucmd))) 368261147f39SBodong Wang return -EOPNOTSUPP; 368361147f39SBodong Wang 368461147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 368561147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 368661147f39SBodong Wang return -EFAULT; 368761147f39SBodong Wang 368861147f39SBodong Wang if (ucmd.comp_mask || 368961147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 369061147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 369161147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 369261147f39SBodong Wang return -EOPNOTSUPP; 369361147f39SBodong Wang } 369461147f39SBodong Wang 3695d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3696d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3697d16e91daSHaggai Eran 3698c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3699c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3700c32a4f29SMoni Shoua else 3701d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3702d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3703d16e91daSHaggai Eran 3704776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3705776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3706c32a4f29SMoni Shoua 3707e126ba97SEli Cohen mutex_lock(&qp->mutex); 3708e126ba97SEli Cohen 3709e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3710e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3711e126ba97SEli Cohen 37122811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 37132811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 37142811ba51SAchiad Shochat } 37152811ba51SAchiad Shochat 3716c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3717c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3718c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3719c2e53b2cSYishai Hadas attr_mask); 3720c2e53b2cSYishai Hadas goto out; 3721c2e53b2cSYishai Hadas } 3722c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3723c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 3724d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 3725d31131bbSKamal Heib attr_mask)) { 3726158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3727158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3728e126ba97SEli Cohen goto out; 3729c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 3730c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 3731c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3732c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 3733c32a4f29SMoni Shoua goto out; 3734158abf86SHaggai Eran } 3735e126ba97SEli Cohen 3736e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3737938fe83cSSaeed Mahameed (attr->port_num == 0 || 3738508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 3739158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3740158abf86SHaggai Eran attr->port_num, dev->num_ports); 3741e126ba97SEli Cohen goto out; 3742158abf86SHaggai Eran } 3743e126ba97SEli Cohen 3744e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3745e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3746938fe83cSSaeed Mahameed if (attr->pkey_index >= 3747158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3748158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3749158abf86SHaggai Eran attr->pkey_index); 3750e126ba97SEli Cohen goto out; 3751e126ba97SEli Cohen } 3752158abf86SHaggai Eran } 3753e126ba97SEli Cohen 3754e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3755938fe83cSSaeed Mahameed attr->max_rd_atomic > 3756158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3757158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3758158abf86SHaggai Eran attr->max_rd_atomic); 3759e126ba97SEli Cohen goto out; 3760158abf86SHaggai Eran } 3761e126ba97SEli Cohen 3762e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3763938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3764158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3765158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3766158abf86SHaggai Eran attr->max_dest_rd_atomic); 3767e126ba97SEli Cohen goto out; 3768158abf86SHaggai Eran } 3769e126ba97SEli Cohen 3770e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3771e126ba97SEli Cohen err = 0; 3772e126ba97SEli Cohen goto out; 3773e126ba97SEli Cohen } 3774e126ba97SEli Cohen 377561147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 377661147f39SBodong Wang new_state, &ucmd); 3777e126ba97SEli Cohen 3778e126ba97SEli Cohen out: 3779e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3780e126ba97SEli Cohen return err; 3781e126ba97SEli Cohen } 3782e126ba97SEli Cohen 378334f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 378434f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 378534f4c955SGuy Levi { 378634f4c955SGuy Levi u32 idx; 378734f4c955SGuy Levi 378834f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 378934f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 379034f4c955SGuy Levi 379134f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 379234f4c955SGuy Levi } 379334f4c955SGuy Levi 379434f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 379534f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 379634f4c955SGuy Levi * @sq - SQ buffer. 379734f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 379834f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 379934f4c955SGuy Levi * @cur_edge: Updated current edge. 380034f4c955SGuy Levi */ 380134f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 380234f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 380334f4c955SGuy Levi { 380434f4c955SGuy Levi if (likely(*seg != *cur_edge)) 380534f4c955SGuy Levi return; 380634f4c955SGuy Levi 380734f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 380834f4c955SGuy Levi } 380934f4c955SGuy Levi 381034f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 381134f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 381234f4c955SGuy Levi * @sq - SQ buffer. 381334f4c955SGuy Levi * @cur_edge: Updated current edge. 381434f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 381534f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 381634f4c955SGuy Levi * @src: Pointer to copy from. 381734f4c955SGuy Levi * @n: Number of bytes to copy. 381834f4c955SGuy Levi */ 381934f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 382034f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 382134f4c955SGuy Levi size_t n) 382234f4c955SGuy Levi { 382334f4c955SGuy Levi while (likely(n)) { 382434f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 382534f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 382634f4c955SGuy Levi size_t stride; 382734f4c955SGuy Levi 382834f4c955SGuy Levi memcpy(*seg, src, copysz); 382934f4c955SGuy Levi 383034f4c955SGuy Levi n -= copysz; 383134f4c955SGuy Levi src += copysz; 383234f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 383334f4c955SGuy Levi *seg += stride; 383434f4c955SGuy Levi *wqe_sz += stride >> 4; 383534f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 383634f4c955SGuy Levi } 383734f4c955SGuy Levi } 383834f4c955SGuy Levi 3839e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3840e126ba97SEli Cohen { 3841e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3842e126ba97SEli Cohen unsigned cur; 3843e126ba97SEli Cohen 3844e126ba97SEli Cohen cur = wq->head - wq->tail; 3845e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3846e126ba97SEli Cohen return 0; 3847e126ba97SEli Cohen 3848e126ba97SEli Cohen cq = to_mcq(ib_cq); 3849e126ba97SEli Cohen spin_lock(&cq->lock); 3850e126ba97SEli Cohen cur = wq->head - wq->tail; 3851e126ba97SEli Cohen spin_unlock(&cq->lock); 3852e126ba97SEli Cohen 3853e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3854e126ba97SEli Cohen } 3855e126ba97SEli Cohen 3856e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3857e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3858e126ba97SEli Cohen { 3859e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3860e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3861e126ba97SEli Cohen rseg->reserved = 0; 3862e126ba97SEli Cohen } 3863e126ba97SEli Cohen 386434f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 386534f4c955SGuy Levi void **seg, int *size, void **cur_edge) 3866f0313965SErez Shitrit { 386734f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 3868f0313965SErez Shitrit 3869f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3870f0313965SErez Shitrit 3871f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3872f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3873f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3874f0313965SErez Shitrit 3875f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3876f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 387734f4c955SGuy Levi size_t left, copysz; 3878f0313965SErez Shitrit void *pdata = ud_wr->header; 387934f4c955SGuy Levi size_t stride; 3880f0313965SErez Shitrit 3881f0313965SErez Shitrit left = ud_wr->hlen; 3882f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 38832b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 3884f0313965SErez Shitrit 388534f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 388634f4c955SGuy Levi * first copy up to the current edge and then, if needed, 388734f4c955SGuy Levi * fall-through to memcpy_send_wqe. 3888f0313965SErez Shitrit */ 388934f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 389034f4c955SGuy Levi left); 389134f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 389234f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 389334f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 389434f4c955SGuy Levi *size += stride / 16; 389534f4c955SGuy Levi *seg += stride; 3896f0313965SErez Shitrit 389734f4c955SGuy Levi if (copysz < left) { 389834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 3899f0313965SErez Shitrit left -= copysz; 3900f0313965SErez Shitrit pdata += copysz; 390134f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 390234f4c955SGuy Levi left); 3903f0313965SErez Shitrit } 3904f0313965SErez Shitrit 390534f4c955SGuy Levi return; 390634f4c955SGuy Levi } 390734f4c955SGuy Levi 390834f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 390934f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3910f0313965SErez Shitrit } 3911f0313965SErez Shitrit 3912e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3913f696bf6dSBart Van Assche const struct ib_send_wr *wr) 3914e126ba97SEli Cohen { 3915e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3916e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3917e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3918e126ba97SEli Cohen } 3919e126ba97SEli Cohen 3920e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3921e126ba97SEli Cohen { 3922e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3923e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3924e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3925e126ba97SEli Cohen } 3926e126ba97SEli Cohen 392731616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 3928e126ba97SEli Cohen { 392931616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 393031616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 3931e126ba97SEli Cohen } 3932e126ba97SEli Cohen 3933e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3934e126ba97SEli Cohen { 3935e126ba97SEli Cohen u64 result; 3936e126ba97SEli Cohen 3937e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3938e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3939e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3940e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3941e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3942e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3943e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3944e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3945e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3946e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3947e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3948e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3949e126ba97SEli Cohen 3950e126ba97SEli Cohen return cpu_to_be64(result); 3951e126ba97SEli Cohen } 3952e126ba97SEli Cohen 3953e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3954e6631814SSagi Grimberg { 3955e6631814SSagi Grimberg u64 result; 3956e6631814SSagi Grimberg 3957e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3958e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3959e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3960d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3961e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3962e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3963e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3964e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3965e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3966e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3967e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3968e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3969e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3970e6631814SSagi Grimberg 3971e6631814SSagi Grimberg return cpu_to_be64(result); 3972e6631814SSagi Grimberg } 3973e6631814SSagi Grimberg 39748a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 3975064e5262SIdan Burstein struct mlx5_ib_mr *mr, bool umr_inline) 39768a187ee5SSagi Grimberg { 397731616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 39788a187ee5SSagi Grimberg 39798a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3980b005d316SSagi Grimberg 39818a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 3982064e5262SIdan Burstein if (umr_inline) 3983064e5262SIdan Burstein umr->flags |= MLX5_UMR_INLINE; 398431616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 39858a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 39868a187ee5SSagi Grimberg } 39878a187ee5SSagi Grimberg 3988dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3989e126ba97SEli Cohen { 3990e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3991e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 39922d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3993e126ba97SEli Cohen } 3994e126ba97SEli Cohen 399531616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 3996e126ba97SEli Cohen { 3997968e78ddSHaggai Eran u64 result; 3998e126ba97SEli Cohen 399931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4000e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4001968e78ddSHaggai Eran 4002968e78ddSHaggai Eran return cpu_to_be64(result); 4003968e78ddSHaggai Eran } 4004968e78ddSHaggai Eran 400531616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4006968e78ddSHaggai Eran { 4007968e78ddSHaggai Eran u64 result; 4008968e78ddSHaggai Eran 4009968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4010968e78ddSHaggai Eran 4011968e78ddSHaggai Eran return cpu_to_be64(result); 4012968e78ddSHaggai Eran } 4013968e78ddSHaggai Eran 401456e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 401556e11d62SNoa Osherovich { 401656e11d62SNoa Osherovich u64 result; 401756e11d62SNoa Osherovich 401856e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 401956e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 402031616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 402156e11d62SNoa Osherovich 402256e11d62SNoa Osherovich return cpu_to_be64(result); 402356e11d62SNoa Osherovich } 402456e11d62SNoa Osherovich 402531616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 402656e11d62SNoa Osherovich { 402756e11d62SNoa Osherovich u64 result; 402856e11d62SNoa Osherovich 402931616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 403031616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 403156e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 403231616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 403331616255SArtemy Kovalyov 403431616255SArtemy Kovalyov if (atomic) 403531616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 403656e11d62SNoa Osherovich 403756e11d62SNoa Osherovich return cpu_to_be64(result); 403856e11d62SNoa Osherovich } 403956e11d62SNoa Osherovich 404056e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 404156e11d62SNoa Osherovich { 404256e11d62SNoa Osherovich u64 result; 404356e11d62SNoa Osherovich 404431616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 404556e11d62SNoa Osherovich 404656e11d62SNoa Osherovich return cpu_to_be64(result); 404756e11d62SNoa Osherovich } 404856e11d62SNoa Osherovich 4049c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4050c8d75a98SMajd Dibbiny { 4051c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4052c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4053c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4054c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4055c8d75a98SMajd Dibbiny return -EPERM; 4056c8d75a98SMajd Dibbiny return 0; 4057c8d75a98SMajd Dibbiny } 4058c8d75a98SMajd Dibbiny 4059c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4060c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4061f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4062968e78ddSHaggai Eran { 4063f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4064968e78ddSHaggai Eran 4065968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4066968e78ddSHaggai Eran 4067968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 4068968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 4069968e78ddSHaggai Eran else 4070968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 4071968e78ddSHaggai Eran 407231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 407331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 407431616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 407531616255SArtemy Kovalyov 407631616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 407731616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4078968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4079968e78ddSHaggai Eran } 408056e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 408156e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 408231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 408331616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 408456e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4085e126ba97SEli Cohen } 408631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 408731616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 408831616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 408931616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4090e126ba97SEli Cohen 4091e126ba97SEli Cohen if (!wr->num_sge) 4092968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4093c8d75a98SMajd Dibbiny 4094c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4095e126ba97SEli Cohen } 4096e126ba97SEli Cohen 4097e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4098e126ba97SEli Cohen { 4099e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4100e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4101e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4102e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 41032ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4104e126ba97SEli Cohen } 4105e126ba97SEli Cohen 41068a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 41078a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 41088a187ee5SSagi Grimberg u32 key, int access) 41098a187ee5SSagi Grimberg { 41108a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 41118a187ee5SSagi Grimberg 41128a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4113b005d316SSagi Grimberg 4114ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4115b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4116ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4117b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4118b005d316SSagi Grimberg ndescs *= 2; 4119b005d316SSagi Grimberg 4120b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 41218a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 41228a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 41238a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 41248a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 41258a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 41268a187ee5SSagi Grimberg } 41278a187ee5SSagi Grimberg 4128dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4129e126ba97SEli Cohen { 4130e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4131968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4132e126ba97SEli Cohen } 4133e126ba97SEli Cohen 4134f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4135f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4136e126ba97SEli Cohen { 4137f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4138968e78ddSHaggai Eran 4139e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 414031616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4141968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4142e126ba97SEli Cohen 4143968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 414456e11d62SNoa Osherovich if (umrwr->pd) 4145968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 414631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 414731616255SArtemy Kovalyov !umrwr->length) 414831616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 414931616255SArtemy Kovalyov 415031616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4151968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4152968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4153746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4154968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4155e126ba97SEli Cohen } 4156e126ba97SEli Cohen 41578a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 41588a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 41598a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 41608a187ee5SSagi Grimberg { 41618a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 41628a187ee5SSagi Grimberg 41638a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 41648a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 41658a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 41668a187ee5SSagi Grimberg } 41678a187ee5SSagi Grimberg 4168f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4169e126ba97SEli Cohen { 4170e126ba97SEli Cohen switch (wr->opcode) { 4171e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4172e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4173e126ba97SEli Cohen return wr->ex.imm_data; 4174e126ba97SEli Cohen 4175e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4176e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4177e126ba97SEli Cohen 4178e126ba97SEli Cohen default: 4179e126ba97SEli Cohen return 0; 4180e126ba97SEli Cohen } 4181e126ba97SEli Cohen } 4182e126ba97SEli Cohen 4183e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4184e126ba97SEli Cohen { 4185e126ba97SEli Cohen u8 *p = wqe; 4186e126ba97SEli Cohen u8 res = 0; 4187e126ba97SEli Cohen int i; 4188e126ba97SEli Cohen 4189e126ba97SEli Cohen for (i = 0; i < size; i++) 4190e126ba97SEli Cohen res ^= p[i]; 4191e126ba97SEli Cohen 4192e126ba97SEli Cohen return ~res; 4193e126ba97SEli Cohen } 4194e126ba97SEli Cohen 4195e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4196e126ba97SEli Cohen { 4197e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4198e126ba97SEli Cohen } 4199e126ba97SEli Cohen 4200f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 420134f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4202e126ba97SEli Cohen { 4203e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 420434f4c955SGuy Levi size_t offset; 4205e126ba97SEli Cohen int inl = 0; 4206e126ba97SEli Cohen int i; 4207e126ba97SEli Cohen 420834f4c955SGuy Levi seg = *wqe; 420934f4c955SGuy Levi *wqe += sizeof(*seg); 421034f4c955SGuy Levi offset = sizeof(*seg); 421134f4c955SGuy Levi 4212e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 421334f4c955SGuy Levi size_t len = wr->sg_list[i].length; 421434f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 421534f4c955SGuy Levi 4216e126ba97SEli Cohen inl += len; 4217e126ba97SEli Cohen 4218e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4219e126ba97SEli Cohen return -ENOMEM; 4220e126ba97SEli Cohen 422134f4c955SGuy Levi while (likely(len)) { 422234f4c955SGuy Levi size_t leftlen; 422334f4c955SGuy Levi size_t copysz; 422434f4c955SGuy Levi 422534f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 422634f4c955SGuy Levi *wqe_sz + (offset >> 4), 422734f4c955SGuy Levi cur_edge); 422834f4c955SGuy Levi 422934f4c955SGuy Levi leftlen = *cur_edge - *wqe; 423034f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 423134f4c955SGuy Levi 423234f4c955SGuy Levi memcpy(*wqe, addr, copysz); 423334f4c955SGuy Levi len -= copysz; 423434f4c955SGuy Levi addr += copysz; 423534f4c955SGuy Levi *wqe += copysz; 423634f4c955SGuy Levi offset += copysz; 4237e126ba97SEli Cohen } 4238e126ba97SEli Cohen } 4239e126ba97SEli Cohen 4240e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4241e126ba97SEli Cohen 424234f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4243e126ba97SEli Cohen 4244e126ba97SEli Cohen return 0; 4245e126ba97SEli Cohen } 4246e126ba97SEli Cohen 4247e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4248e6631814SSagi Grimberg { 4249e6631814SSagi Grimberg switch (type) { 4250e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4251e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4252e6631814SSagi Grimberg default: 4253e6631814SSagi Grimberg return 0; 4254e6631814SSagi Grimberg } 4255e6631814SSagi Grimberg } 4256e6631814SSagi Grimberg 4257e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4258e6631814SSagi Grimberg { 4259e6631814SSagi Grimberg switch (block_size) { 4260e6631814SSagi Grimberg case 512: return 0x1; 4261e6631814SSagi Grimberg case 520: return 0x2; 4262e6631814SSagi Grimberg case 4096: return 0x3; 4263e6631814SSagi Grimberg case 4160: return 0x4; 4264e6631814SSagi Grimberg case 1073741824: return 0x5; 4265e6631814SSagi Grimberg default: return 0; 4266e6631814SSagi Grimberg } 4267e6631814SSagi Grimberg } 4268e6631814SSagi Grimberg 426978eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4270142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4271e6631814SSagi Grimberg { 4272142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4273142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4274142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4275142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4276142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4277142537f4SSagi Grimberg /* repeating block */ 4278142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4279142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4280142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4281e6631814SSagi Grimberg 428278eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 428378eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4284e6631814SSagi Grimberg 428578eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 428678eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 428778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 428878eda2bbSSagi Grimberg else 428978eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4290e6631814SSagi Grimberg } 4291e6631814SSagi Grimberg 429278eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 429378eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4294e6631814SSagi Grimberg } 4295e6631814SSagi Grimberg 4296e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4297e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4298e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4299e6631814SSagi Grimberg { 4300e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4301e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4302e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4303e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4304e6631814SSagi Grimberg 4305c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4306e6631814SSagi Grimberg 4307142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4308142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4309e6631814SSagi Grimberg /* Input domain check byte mask */ 4310e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 431178eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 431278eda2bbSSagi Grimberg 431378eda2bbSSagi Grimberg /* Memory domain */ 431478eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 431578eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 431678eda2bbSSagi Grimberg break; 431778eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 431878eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 431978eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 432078eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 432178eda2bbSSagi Grimberg break; 432278eda2bbSSagi Grimberg default: 432378eda2bbSSagi Grimberg return -EINVAL; 432478eda2bbSSagi Grimberg } 432578eda2bbSSagi Grimberg 432678eda2bbSSagi Grimberg /* Wire domain */ 432778eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 432878eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 432978eda2bbSSagi Grimberg break; 433078eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4331e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 433278eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4333e6631814SSagi Grimberg /* Same block structure */ 4334142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4335e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4336fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4337c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4338fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4339c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4340fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4341e6631814SSagi Grimberg } else 4342e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4343e6631814SSagi Grimberg 4344142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 434578eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4346e6631814SSagi Grimberg break; 4347e6631814SSagi Grimberg default: 4348e6631814SSagi Grimberg return -EINVAL; 4349e6631814SSagi Grimberg } 4350e6631814SSagi Grimberg 4351e6631814SSagi Grimberg return 0; 4352e6631814SSagi Grimberg } 4353e6631814SSagi Grimberg 4354f696bf6dSBart Van Assche static int set_sig_data_segment(const struct ib_sig_handover_wr *wr, 435534f4c955SGuy Levi struct mlx5_ib_qp *qp, void **seg, 435634f4c955SGuy Levi int *size, void **cur_edge) 4357e6631814SSagi Grimberg { 4358e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 4359e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4360e6631814SSagi Grimberg struct mlx5_bsf *bsf; 4361e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 4362e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 4363e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 4364e6631814SSagi Grimberg int ret; 4365e6631814SSagi Grimberg int wqe_size; 4366e6631814SSagi Grimberg 4367e622f2f4SChristoph Hellwig if (!wr->prot || 4368e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 4369e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 4370e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 4371e6631814SSagi Grimberg /** 4372e6631814SSagi Grimberg * Source domain doesn't contain signature information 43735c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4374e6631814SSagi Grimberg * So need construct: 4375e6631814SSagi Grimberg * ------------------ 4376e6631814SSagi Grimberg * | data_klm | 4377e6631814SSagi Grimberg * ------------------ 4378e6631814SSagi Grimberg * | BSF | 4379e6631814SSagi Grimberg * ------------------ 4380e6631814SSagi Grimberg **/ 4381e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4382e6631814SSagi Grimberg 4383e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4384e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4385e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4386e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4387e6631814SSagi Grimberg } else { 4388e6631814SSagi Grimberg /** 4389e6631814SSagi Grimberg * Source domain contains signature information 4390e6631814SSagi Grimberg * So need construct a strided block format: 4391e6631814SSagi Grimberg * --------------------------- 4392e6631814SSagi Grimberg * | stride_block_ctrl | 4393e6631814SSagi Grimberg * --------------------------- 4394e6631814SSagi Grimberg * | data_klm | 4395e6631814SSagi Grimberg * --------------------------- 4396e6631814SSagi Grimberg * | prot_klm | 4397e6631814SSagi Grimberg * --------------------------- 4398e6631814SSagi Grimberg * | BSF | 4399e6631814SSagi Grimberg * --------------------------- 4400e6631814SSagi Grimberg **/ 4401e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4402e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4403e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4404e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 4405e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 4406e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4407e6631814SSagi Grimberg int prot_size; 4408e6631814SSagi Grimberg 4409e6631814SSagi Grimberg sblock_ctrl = *seg; 4410e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4411e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4412e6631814SSagi Grimberg 4413e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4414e6631814SSagi Grimberg if (!prot_size) { 4415e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4416e6631814SSagi Grimberg return -EINVAL; 4417e6631814SSagi Grimberg } 4418e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4419e6631814SSagi Grimberg prot_size); 4420e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4421e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4422e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4423e6631814SSagi Grimberg 4424e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4425e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4426e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 44275c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 44285c273b16SSagi Grimberg 4429e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4430e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4431e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4432e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 44335c273b16SSagi Grimberg 4434e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4435e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4436e6631814SSagi Grimberg } 4437e6631814SSagi Grimberg 4438e6631814SSagi Grimberg *seg += wqe_size; 4439e6631814SSagi Grimberg *size += wqe_size / 16; 444034f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4441e6631814SSagi Grimberg 4442e6631814SSagi Grimberg bsf = *seg; 4443e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4444e6631814SSagi Grimberg if (ret) 4445e6631814SSagi Grimberg return -EINVAL; 4446e6631814SSagi Grimberg 4447e6631814SSagi Grimberg *seg += sizeof(*bsf); 4448e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 444934f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4450e6631814SSagi Grimberg 4451e6631814SSagi Grimberg return 0; 4452e6631814SSagi Grimberg } 4453e6631814SSagi Grimberg 4454e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 4455f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr, u32 size, 4456e6631814SSagi Grimberg u32 length, u32 pdn) 4457e6631814SSagi Grimberg { 4458e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4459e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4460d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4461e6631814SSagi Grimberg 4462e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4463e6631814SSagi Grimberg 4464e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 4465ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 4466e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4467d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4468e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4469e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 447031616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4471e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4472e6631814SSagi Grimberg } 4473e6631814SSagi Grimberg 4474e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 447531616255SArtemy Kovalyov u32 size) 4476e6631814SSagi Grimberg { 4477e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4478e6631814SSagi Grimberg 4479e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 448031616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4481e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4482e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4483e6631814SSagi Grimberg } 4484e6631814SSagi Grimberg 4485e6631814SSagi Grimberg 4486f696bf6dSBart Van Assche static int set_sig_umr_wr(const struct ib_send_wr *send_wr, 448734f4c955SGuy Levi struct mlx5_ib_qp *qp, void **seg, int *size, 448834f4c955SGuy Levi void **cur_edge) 4489e6631814SSagi Grimberg { 4490f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 4491e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 4492e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 449331616255SArtemy Kovalyov u32 xlt_size; 4494e6631814SSagi Grimberg int region_len, ret; 4495e6631814SSagi Grimberg 4496e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 4497e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 4498d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 4499d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 4500e6631814SSagi Grimberg return -EINVAL; 4501e6631814SSagi Grimberg 4502e6631814SSagi Grimberg /* length of the protected region, data + protection */ 4503e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 4504e622f2f4SChristoph Hellwig if (wr->prot && 4505e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 4506e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 4507e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 4508e622f2f4SChristoph Hellwig region_len += wr->prot->length; 4509e6631814SSagi Grimberg 4510e6631814SSagi Grimberg /** 4511e6631814SSagi Grimberg * KLM octoword size - if protection was provided 4512e6631814SSagi Grimberg * then we use strided block format (3 octowords), 4513e6631814SSagi Grimberg * else we use single KLM (1 octoword) 4514e6631814SSagi Grimberg **/ 451531616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 4516e6631814SSagi Grimberg 451731616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 4518e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4519e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 452034f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4521e6631814SSagi Grimberg 452231616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 4523e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 4524e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 452534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4526e6631814SSagi Grimberg 452734f4c955SGuy Levi ret = set_sig_data_segment(wr, qp, seg, size, cur_edge); 4528e6631814SSagi Grimberg if (ret) 4529e6631814SSagi Grimberg return ret; 4530e6631814SSagi Grimberg 4531d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 4532e6631814SSagi Grimberg return 0; 4533e6631814SSagi Grimberg } 4534e6631814SSagi Grimberg 4535e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4536e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4537e6631814SSagi Grimberg { 4538e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4539e6631814SSagi Grimberg 4540e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4541e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4542e6631814SSagi Grimberg switch (domain->sig_type) { 454378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 454478eda2bbSSagi Grimberg break; 4545e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4546e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4547e6631814SSagi Grimberg domain->sig.dif.app_tag); 4548e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4549e6631814SSagi Grimberg break; 4550e6631814SSagi Grimberg default: 455112bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 455212bbf1eaSLeon Romanovsky domain->sig_type); 455312bbf1eaSLeon Romanovsky return -EINVAL; 4554e6631814SSagi Grimberg } 4555e6631814SSagi Grimberg 455678eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 455778eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 455878eda2bbSSagi Grimberg 4559e6631814SSagi Grimberg return 0; 4560e6631814SSagi Grimberg } 4561e6631814SSagi Grimberg 45628a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4563f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 456434f4c955SGuy Levi void **seg, int *size, void **cur_edge) 45658a187ee5SSagi Grimberg { 45668a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 45678a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 456834f4c955SGuy Levi size_t mr_list_size = mr->ndescs * mr->desc_size; 4569064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 45708a187ee5SSagi Grimberg 45718a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 45728a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 45738a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 45748a187ee5SSagi Grimberg return -EINVAL; 45758a187ee5SSagi Grimberg } 45768a187ee5SSagi Grimberg 4577064e5262SIdan Burstein set_reg_umr_seg(*seg, mr, umr_inline); 45788a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 45798a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 458034f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 45818a187ee5SSagi Grimberg 45828a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 45838a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 45848a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 458534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 45868a187ee5SSagi Grimberg 4587064e5262SIdan Burstein if (umr_inline) { 458834f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 458934f4c955SGuy Levi mr_list_size); 459034f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4591064e5262SIdan Burstein } else { 45928a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 45938a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 45948a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4595064e5262SIdan Burstein } 45968a187ee5SSagi Grimberg return 0; 45978a187ee5SSagi Grimberg } 45988a187ee5SSagi Grimberg 459934f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 460034f4c955SGuy Levi void **cur_edge) 4601e126ba97SEli Cohen { 4602dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4603e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4604e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 460534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4606dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4607e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4608e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 460934f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4610e126ba97SEli Cohen } 4611e126ba97SEli Cohen 461234f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4613e126ba97SEli Cohen { 4614e126ba97SEli Cohen __be32 *p = NULL; 461534f4c955SGuy Levi u32 tidx = idx; 4616e126ba97SEli Cohen int i, j; 4617e126ba97SEli Cohen 461834f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4619e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4620e126ba97SEli Cohen if ((i & 0xf) == 0) { 4621e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 462234f4c955SGuy Levi p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, tidx); 462334f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4624e126ba97SEli Cohen j = 0; 4625e126ba97SEli Cohen } 4626e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4627e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4628e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4629e126ba97SEli Cohen } 4630e126ba97SEli Cohen } 4631e126ba97SEli Cohen 46327bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 46336e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 463434f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 463534f4c955SGuy Levi int *size, void **cur_edge, int nreq, 463634f4c955SGuy Levi bool send_signaled, bool solicited) 46376e5eadacSSagi Grimberg { 4638b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4639b2a232d2SLeon Romanovsky return -ENOMEM; 46406e5eadacSSagi Grimberg 46416e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 464234f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 46436e5eadacSSagi Grimberg *ctrl = *seg; 46446e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 46456e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 46466e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 46477bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 46487bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 46496e5eadacSSagi Grimberg 46506e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 46516e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 465234f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 46536e5eadacSSagi Grimberg 4654b2a232d2SLeon Romanovsky return 0; 46556e5eadacSSagi Grimberg } 46566e5eadacSSagi Grimberg 46577bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 46587bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 46597bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 466034f4c955SGuy Levi int *size, void **cur_edge, int nreq) 46617bb1fafcSBart Van Assche { 466234f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 46637bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 46647bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 46657bb1fafcSBart Van Assche } 46667bb1fafcSBart Van Assche 46676e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 46686e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 466934f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 467034f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 467134f4c955SGuy Levi u32 mlx5_opcode) 46726e5eadacSSagi Grimberg { 46736e5eadacSSagi Grimberg u8 opmod = 0; 46746e5eadacSSagi Grimberg 46756e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 46766e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 467719098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 46786e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 46796e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 46806e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 46816e5eadacSSagi Grimberg 46826e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 46836e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 46846e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 46856e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 46866e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 468734f4c955SGuy Levi 468834f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 468934f4c955SGuy Levi * construction, into SQ's cache. 469034f4c955SGuy Levi */ 469134f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 469234f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 469334f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 469434f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 469534f4c955SGuy Levi cur_edge; 46966e5eadacSSagi Grimberg } 46976e5eadacSSagi Grimberg 4698d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 4699d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 4700e126ba97SEli Cohen { 4701e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 4702e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 470389ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4704d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 4705e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 4706e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 4707d16e91daSHaggai Eran struct mlx5_bf *bf; 470834f4c955SGuy Levi void *cur_edge; 4709e126ba97SEli Cohen int uninitialized_var(size); 4710e126ba97SEli Cohen unsigned long flags; 4711e126ba97SEli Cohen unsigned idx; 4712e126ba97SEli Cohen int err = 0; 4713e126ba97SEli Cohen int num_sge; 4714e126ba97SEli Cohen void *seg; 4715e126ba97SEli Cohen int nreq; 4716e126ba97SEli Cohen int i; 4717e126ba97SEli Cohen u8 next_fence = 0; 4718e126ba97SEli Cohen u8 fence; 4719e126ba97SEli Cohen 47206c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 47216c75520fSParav Pandit !drain)) { 47226c75520fSParav Pandit *bad_wr = wr; 47236c75520fSParav Pandit return -EIO; 47246c75520fSParav Pandit } 47256c75520fSParav Pandit 4726d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4727d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 4728d16e91daSHaggai Eran 4729d16e91daSHaggai Eran qp = to_mqp(ibqp); 47305fe9dec0SEli Cohen bf = &qp->bf; 4731d16e91daSHaggai Eran 4732e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 4733e126ba97SEli Cohen 4734e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4735a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 4736e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4737e126ba97SEli Cohen err = -EINVAL; 4738e126ba97SEli Cohen *bad_wr = wr; 4739e126ba97SEli Cohen goto out; 4740e126ba97SEli Cohen } 4741e126ba97SEli Cohen 4742e126ba97SEli Cohen num_sge = wr->num_sge; 4743e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 4744e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 474524be409bSChuck Lever err = -EINVAL; 4746e126ba97SEli Cohen *bad_wr = wr; 4747e126ba97SEli Cohen goto out; 4748e126ba97SEli Cohen } 4749e126ba97SEli Cohen 475034f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 475134f4c955SGuy Levi nreq); 47526e5eadacSSagi Grimberg if (err) { 47536e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 47546e5eadacSSagi Grimberg err = -ENOMEM; 47556e5eadacSSagi Grimberg *bad_wr = wr; 47566e5eadacSSagi Grimberg goto out; 47576e5eadacSSagi Grimberg } 4758e126ba97SEli Cohen 47596e8484c5SMax Gurtovoy if (wr->opcode == IB_WR_LOCAL_INV || 47606e8484c5SMax Gurtovoy wr->opcode == IB_WR_REG_MR) { 47616e8484c5SMax Gurtovoy fence = dev->umr_fence; 47626e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 47636e8484c5SMax Gurtovoy } else if (wr->send_flags & IB_SEND_FENCE) { 47646e8484c5SMax Gurtovoy if (qp->next_fence) 47656e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 47666e8484c5SMax Gurtovoy else 47676e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 47686e8484c5SMax Gurtovoy } else { 47696e8484c5SMax Gurtovoy fence = qp->next_fence; 47706e8484c5SMax Gurtovoy } 47716e8484c5SMax Gurtovoy 4772e126ba97SEli Cohen switch (ibqp->qp_type) { 4773e126ba97SEli Cohen case IB_QPT_XRC_INI: 4774e126ba97SEli Cohen xrc = seg; 4775e126ba97SEli Cohen seg += sizeof(*xrc); 4776e126ba97SEli Cohen size += sizeof(*xrc) / 16; 4777e126ba97SEli Cohen /* fall through */ 4778e126ba97SEli Cohen case IB_QPT_RC: 4779e126ba97SEli Cohen switch (wr->opcode) { 4780e126ba97SEli Cohen case IB_WR_RDMA_READ: 4781e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4782e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4783e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4784e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4785e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4786e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4787e126ba97SEli Cohen break; 4788e126ba97SEli Cohen 4789e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 4790e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 4791e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 479281bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 479381bea28fSEli Cohen err = -ENOSYS; 479481bea28fSEli Cohen *bad_wr = wr; 479581bea28fSEli Cohen goto out; 4796e126ba97SEli Cohen 4797e126ba97SEli Cohen case IB_WR_LOCAL_INV: 4798e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 4799e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 480034f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 4801e126ba97SEli Cohen num_sge = 0; 4802e126ba97SEli Cohen break; 4803e126ba97SEli Cohen 48048a187ee5SSagi Grimberg case IB_WR_REG_MR: 48058a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 48068a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 480734f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 480834f4c955SGuy Levi &cur_edge); 48098a187ee5SSagi Grimberg if (err) { 48108a187ee5SSagi Grimberg *bad_wr = wr; 48118a187ee5SSagi Grimberg goto out; 48128a187ee5SSagi Grimberg } 48138a187ee5SSagi Grimberg num_sge = 0; 48148a187ee5SSagi Grimberg break; 48158a187ee5SSagi Grimberg 4816e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4817e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4818e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4819e6631814SSagi Grimberg 4820e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 482134f4c955SGuy Levi err = set_sig_umr_wr(wr, qp, &seg, &size, 482234f4c955SGuy Levi &cur_edge); 4823e6631814SSagi Grimberg if (err) { 4824e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4825e6631814SSagi Grimberg *bad_wr = wr; 4826e6631814SSagi Grimberg goto out; 4827e6631814SSagi Grimberg } 4828e6631814SSagi Grimberg 482934f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 483034f4c955SGuy Levi wr->wr_id, nreq, fence, 483134f4c955SGuy Levi MLX5_OPCODE_UMR); 4832e6631814SSagi Grimberg /* 4833e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4834e6631814SSagi Grimberg * on error 4835e6631814SSagi Grimberg */ 48367bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 483734f4c955SGuy Levi &size, &cur_edge, nreq, false, 483834f4c955SGuy Levi true); 4839e6631814SSagi Grimberg if (err) { 4840e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4841e6631814SSagi Grimberg err = -ENOMEM; 4842e6631814SSagi Grimberg *bad_wr = wr; 4843e6631814SSagi Grimberg goto out; 4844e6631814SSagi Grimberg } 4845e6631814SSagi Grimberg 4846e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4847e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4848e6631814SSagi Grimberg &size); 4849e6631814SSagi Grimberg if (err) { 4850e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4851e6631814SSagi Grimberg *bad_wr = wr; 4852e6631814SSagi Grimberg goto out; 4853e6631814SSagi Grimberg } 4854e6631814SSagi Grimberg 485534f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 485634f4c955SGuy Levi wr->wr_id, nreq, fence, 485734f4c955SGuy Levi MLX5_OPCODE_SET_PSV); 48587bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 485934f4c955SGuy Levi &size, &cur_edge, nreq, false, 486034f4c955SGuy Levi true); 4861e6631814SSagi Grimberg if (err) { 4862e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4863e6631814SSagi Grimberg err = -ENOMEM; 4864e6631814SSagi Grimberg *bad_wr = wr; 4865e6631814SSagi Grimberg goto out; 4866e6631814SSagi Grimberg } 4867e6631814SSagi Grimberg 4868e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4869e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4870e6631814SSagi Grimberg &size); 4871e6631814SSagi Grimberg if (err) { 4872e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4873e6631814SSagi Grimberg *bad_wr = wr; 4874e6631814SSagi Grimberg goto out; 4875e6631814SSagi Grimberg } 4876e6631814SSagi Grimberg 487734f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 487834f4c955SGuy Levi wr->wr_id, nreq, fence, 487934f4c955SGuy Levi MLX5_OPCODE_SET_PSV); 48806e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4881e6631814SSagi Grimberg num_sge = 0; 4882e6631814SSagi Grimberg goto skip_psv; 4883e6631814SSagi Grimberg 4884e126ba97SEli Cohen default: 4885e126ba97SEli Cohen break; 4886e126ba97SEli Cohen } 4887e126ba97SEli Cohen break; 4888e126ba97SEli Cohen 4889e126ba97SEli Cohen case IB_QPT_UC: 4890e126ba97SEli Cohen switch (wr->opcode) { 4891e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4892e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4893e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4894e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4895e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4896e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4897e126ba97SEli Cohen break; 4898e126ba97SEli Cohen 4899e126ba97SEli Cohen default: 4900e126ba97SEli Cohen break; 4901e126ba97SEli Cohen } 4902e126ba97SEli Cohen break; 4903e126ba97SEli Cohen 4904e126ba97SEli Cohen case IB_QPT_SMI: 49051e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 49061e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 49071e0e50b6SMaor Gottlieb err = -EPERM; 49081e0e50b6SMaor Gottlieb *bad_wr = wr; 49091e0e50b6SMaor Gottlieb goto out; 49101e0e50b6SMaor Gottlieb } 4911f6b1ee34SBart Van Assche /* fall through */ 4912d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4913e126ba97SEli Cohen set_datagram_seg(seg, wr); 4914e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4915e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 491634f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 491734f4c955SGuy Levi 4918e126ba97SEli Cohen break; 4919f0313965SErez Shitrit case IB_QPT_UD: 4920f0313965SErez Shitrit set_datagram_seg(seg, wr); 4921f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4922f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 492334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 4924f0313965SErez Shitrit 4925f0313965SErez Shitrit /* handle qp that supports ud offload */ 4926f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4927f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4928f0313965SErez Shitrit 4929f0313965SErez Shitrit pad = seg; 4930f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4931f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4932f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 493334f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 493434f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 493534f4c955SGuy Levi &cur_edge); 4936f0313965SErez Shitrit } 4937f0313965SErez Shitrit break; 4938e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4939e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4940e126ba97SEli Cohen err = -EINVAL; 4941e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4942e126ba97SEli Cohen goto out; 4943e126ba97SEli Cohen } 4944e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4945e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4946c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4947c8d75a98SMajd Dibbiny if (unlikely(err)) 4948c8d75a98SMajd Dibbiny goto out; 4949e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4950e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 495134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 4952e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4953e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4954e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 495534f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 4956e126ba97SEli Cohen break; 4957e126ba97SEli Cohen 4958e126ba97SEli Cohen default: 4959e126ba97SEli Cohen break; 4960e126ba97SEli Cohen } 4961e126ba97SEli Cohen 4962e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 496334f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 4964e126ba97SEli Cohen if (unlikely(err)) { 4965e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4966e126ba97SEli Cohen *bad_wr = wr; 4967e126ba97SEli Cohen goto out; 4968e126ba97SEli Cohen } 4969e126ba97SEli Cohen } else { 4970e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 497134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 497234f4c955SGuy Levi &cur_edge); 4973e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 497434f4c955SGuy Levi set_data_ptr_seg 497534f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 497634f4c955SGuy Levi wr->sg_list + i); 4977e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 497834f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 4979e126ba97SEli Cohen } 4980e126ba97SEli Cohen } 4981e126ba97SEli Cohen } 4982e126ba97SEli Cohen 49836e8484c5SMax Gurtovoy qp->next_fence = next_fence; 498434f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 498534f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 4986e6631814SSagi Grimberg skip_psv: 4987e126ba97SEli Cohen if (0) 4988e126ba97SEli Cohen dump_wqe(qp, idx, size); 4989e126ba97SEli Cohen } 4990e126ba97SEli Cohen 4991e126ba97SEli Cohen out: 4992e126ba97SEli Cohen if (likely(nreq)) { 4993e126ba97SEli Cohen qp->sq.head += nreq; 4994e126ba97SEli Cohen 4995e126ba97SEli Cohen /* Make sure that descriptors are written before 4996e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4997e126ba97SEli Cohen */ 4998e126ba97SEli Cohen wmb(); 4999e126ba97SEli Cohen 5000e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5001e126ba97SEli Cohen 5002ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5003ada388f7SEli Cohen * we hit doorbell */ 5004ada388f7SEli Cohen wmb(); 5005ada388f7SEli Cohen 50065fe9dec0SEli Cohen /* currently we support only regular doorbells */ 50075fe9dec0SEli Cohen mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); 5008e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5009e126ba97SEli Cohen * and reach the HCA out of order. 5010e126ba97SEli Cohen */ 5011e126ba97SEli Cohen mmiowb(); 5012e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5013e126ba97SEli Cohen } 5014e126ba97SEli Cohen 5015e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5016e126ba97SEli Cohen 5017e126ba97SEli Cohen return err; 5018e126ba97SEli Cohen } 5019e126ba97SEli Cohen 5020d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5021d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5022d0e84c0aSYishai Hadas { 5023d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5024d0e84c0aSYishai Hadas } 5025d0e84c0aSYishai Hadas 5026e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5027e126ba97SEli Cohen { 5028e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5029e126ba97SEli Cohen } 5030e126ba97SEli Cohen 5031d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5032d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5033e126ba97SEli Cohen { 5034e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5035e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5036e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 503789ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 503889ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5039e126ba97SEli Cohen unsigned long flags; 5040e126ba97SEli Cohen int err = 0; 5041e126ba97SEli Cohen int nreq; 5042e126ba97SEli Cohen int ind; 5043e126ba97SEli Cohen int i; 5044e126ba97SEli Cohen 50456c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 50466c75520fSParav Pandit !drain)) { 50476c75520fSParav Pandit *bad_wr = wr; 50486c75520fSParav Pandit return -EIO; 50496c75520fSParav Pandit } 50506c75520fSParav Pandit 5051d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5052d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5053d16e91daSHaggai Eran 5054e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5055e126ba97SEli Cohen 5056e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5057e126ba97SEli Cohen 5058e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5059e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5060e126ba97SEli Cohen err = -ENOMEM; 5061e126ba97SEli Cohen *bad_wr = wr; 5062e126ba97SEli Cohen goto out; 5063e126ba97SEli Cohen } 5064e126ba97SEli Cohen 5065e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5066e126ba97SEli Cohen err = -EINVAL; 5067e126ba97SEli Cohen *bad_wr = wr; 5068e126ba97SEli Cohen goto out; 5069e126ba97SEli Cohen } 5070e126ba97SEli Cohen 507134f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5072e126ba97SEli Cohen if (qp->wq_sig) 5073e126ba97SEli Cohen scat++; 5074e126ba97SEli Cohen 5075e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5076e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5077e126ba97SEli Cohen 5078e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5079e126ba97SEli Cohen scat[i].byte_count = 0; 5080e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5081e126ba97SEli Cohen scat[i].addr = 0; 5082e126ba97SEli Cohen } 5083e126ba97SEli Cohen 5084e126ba97SEli Cohen if (qp->wq_sig) { 5085e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5086e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5087e126ba97SEli Cohen } 5088e126ba97SEli Cohen 5089e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5090e126ba97SEli Cohen 5091e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5092e126ba97SEli Cohen } 5093e126ba97SEli Cohen 5094e126ba97SEli Cohen out: 5095e126ba97SEli Cohen if (likely(nreq)) { 5096e126ba97SEli Cohen qp->rq.head += nreq; 5097e126ba97SEli Cohen 5098e126ba97SEli Cohen /* Make sure that descriptors are written before 5099e126ba97SEli Cohen * doorbell record. 5100e126ba97SEli Cohen */ 5101e126ba97SEli Cohen wmb(); 5102e126ba97SEli Cohen 5103e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5104e126ba97SEli Cohen } 5105e126ba97SEli Cohen 5106e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5107e126ba97SEli Cohen 5108e126ba97SEli Cohen return err; 5109e126ba97SEli Cohen } 5110e126ba97SEli Cohen 5111d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5112d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5113d0e84c0aSYishai Hadas { 5114d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5115d0e84c0aSYishai Hadas } 5116d0e84c0aSYishai Hadas 5117e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5118e126ba97SEli Cohen { 5119e126ba97SEli Cohen switch (mlx5_state) { 5120e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5121e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5122e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5123e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5124e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5125e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5126e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5127e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5128e126ba97SEli Cohen default: return -1; 5129e126ba97SEli Cohen } 5130e126ba97SEli Cohen } 5131e126ba97SEli Cohen 5132e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5133e126ba97SEli Cohen { 5134e126ba97SEli Cohen switch (mlx5_mig_state) { 5135e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5136e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5137e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5138e126ba97SEli Cohen default: return -1; 5139e126ba97SEli Cohen } 5140e126ba97SEli Cohen } 5141e126ba97SEli Cohen 5142e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5143e126ba97SEli Cohen { 5144e126ba97SEli Cohen int ib_flags = 0; 5145e126ba97SEli Cohen 5146e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5147e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5148e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5149e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5150e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5151e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5152e126ba97SEli Cohen 5153e126ba97SEli Cohen return ib_flags; 5154e126ba97SEli Cohen } 5155e126ba97SEli Cohen 515638349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5157d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5158e126ba97SEli Cohen struct mlx5_qp_path *path) 5159e126ba97SEli Cohen { 5160e126ba97SEli Cohen 5161d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5162e126ba97SEli Cohen 5163e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5164e126ba97SEli Cohen return; 5165e126ba97SEli Cohen 5166ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5167ae59c3f0SLeon Romanovsky 5168d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5169d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5170e126ba97SEli Cohen 5171d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5172d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5173d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5174d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5175d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5176d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5177d8966fcdSDasaratharaman Chandramouli 5178d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5179d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5180d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5181d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5182d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5183d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5184e126ba97SEli Cohen } 5185e126ba97SEli Cohen } 5186e126ba97SEli Cohen 51876d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 51886d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 51896d2f89dfSmajd@mellanox.com u8 *sq_state) 5190e126ba97SEli Cohen { 51916d2f89dfSmajd@mellanox.com int err; 51926d2f89dfSmajd@mellanox.com 519328160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 51946d2f89dfSmajd@mellanox.com if (err) 51956d2f89dfSmajd@mellanox.com goto out; 51966d2f89dfSmajd@mellanox.com sq->state = *sq_state; 51976d2f89dfSmajd@mellanox.com 51986d2f89dfSmajd@mellanox.com out: 51996d2f89dfSmajd@mellanox.com return err; 52006d2f89dfSmajd@mellanox.com } 52016d2f89dfSmajd@mellanox.com 52026d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 52036d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 52046d2f89dfSmajd@mellanox.com u8 *rq_state) 52056d2f89dfSmajd@mellanox.com { 52066d2f89dfSmajd@mellanox.com void *out; 52076d2f89dfSmajd@mellanox.com void *rqc; 52086d2f89dfSmajd@mellanox.com int inlen; 52096d2f89dfSmajd@mellanox.com int err; 52106d2f89dfSmajd@mellanox.com 52116d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 52121b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 52136d2f89dfSmajd@mellanox.com if (!out) 52146d2f89dfSmajd@mellanox.com return -ENOMEM; 52156d2f89dfSmajd@mellanox.com 52166d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 52176d2f89dfSmajd@mellanox.com if (err) 52186d2f89dfSmajd@mellanox.com goto out; 52196d2f89dfSmajd@mellanox.com 52206d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 52216d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 52226d2f89dfSmajd@mellanox.com rq->state = *rq_state; 52236d2f89dfSmajd@mellanox.com 52246d2f89dfSmajd@mellanox.com out: 52256d2f89dfSmajd@mellanox.com kvfree(out); 52266d2f89dfSmajd@mellanox.com return err; 52276d2f89dfSmajd@mellanox.com } 52286d2f89dfSmajd@mellanox.com 52296d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 52306d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 52316d2f89dfSmajd@mellanox.com { 52326d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 52336d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 52346d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 52356d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 52366d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 52376d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 52386d2f89dfSmajd@mellanox.com }, 52396d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 52406d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 52416d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 52426d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 52436d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 52446d2f89dfSmajd@mellanox.com }, 52456d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 52466d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 52476d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 52486d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 52496d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 52506d2f89dfSmajd@mellanox.com }, 52516d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 52526d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 52536d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 52546d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 52556d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 52566d2f89dfSmajd@mellanox.com }, 52576d2f89dfSmajd@mellanox.com }; 52586d2f89dfSmajd@mellanox.com 52596d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 52606d2f89dfSmajd@mellanox.com 52616d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 52626d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 52636d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 52646d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 52656d2f89dfSmajd@mellanox.com return -EINVAL; 52666d2f89dfSmajd@mellanox.com } 52676d2f89dfSmajd@mellanox.com 52686d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 52696d2f89dfSmajd@mellanox.com *qp_state = qp->state; 52706d2f89dfSmajd@mellanox.com 52716d2f89dfSmajd@mellanox.com return 0; 52726d2f89dfSmajd@mellanox.com } 52736d2f89dfSmajd@mellanox.com 52746d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 52756d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 52766d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 52776d2f89dfSmajd@mellanox.com { 52786d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 52796d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 52806d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 52816d2f89dfSmajd@mellanox.com int err; 52826d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 52836d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 52846d2f89dfSmajd@mellanox.com 52856d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 52866d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 52876d2f89dfSmajd@mellanox.com if (err) 52886d2f89dfSmajd@mellanox.com return err; 52896d2f89dfSmajd@mellanox.com } 52906d2f89dfSmajd@mellanox.com 52916d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 52926d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 52936d2f89dfSmajd@mellanox.com if (err) 52946d2f89dfSmajd@mellanox.com return err; 52956d2f89dfSmajd@mellanox.com } 52966d2f89dfSmajd@mellanox.com 52976d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 52986d2f89dfSmajd@mellanox.com raw_packet_qp_state); 52996d2f89dfSmajd@mellanox.com } 53006d2f89dfSmajd@mellanox.com 53016d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 53026d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 53036d2f89dfSmajd@mellanox.com { 530409a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5305e126ba97SEli Cohen struct mlx5_qp_context *context; 5306e126ba97SEli Cohen int mlx5_state; 530709a7d9ecSSaeed Mahameed u32 *outb; 5308e126ba97SEli Cohen int err = 0; 5309e126ba97SEli Cohen 531009a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 53116d2f89dfSmajd@mellanox.com if (!outb) 53126d2f89dfSmajd@mellanox.com return -ENOMEM; 53136d2f89dfSmajd@mellanox.com 531419098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 531509a7d9ecSSaeed Mahameed outlen); 5316e126ba97SEli Cohen if (err) 53176d2f89dfSmajd@mellanox.com goto out; 5318e126ba97SEli Cohen 531909a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 532009a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 532109a7d9ecSSaeed Mahameed 5322e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5323e126ba97SEli Cohen 5324e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5325e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5326e126ba97SEli Cohen qp_attr->path_mig_state = 5327e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5328e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5329e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5330e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5331e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5332e126ba97SEli Cohen qp_attr->qp_access_flags = 5333e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5334e126ba97SEli Cohen 5335e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 533638349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 533738349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5338d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5339d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5340d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5341d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5342e126ba97SEli Cohen } 5343e126ba97SEli Cohen 5344d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5345e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5346e126ba97SEli Cohen 5347e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5348e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5349e126ba97SEli Cohen 5350e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5351e126ba97SEli Cohen 5352e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5353e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5354e126ba97SEli Cohen qp_attr->min_rnr_timer = 5355e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5356e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5357e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5358e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5359e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 53606d2f89dfSmajd@mellanox.com 53616d2f89dfSmajd@mellanox.com out: 53626d2f89dfSmajd@mellanox.com kfree(outb); 53636d2f89dfSmajd@mellanox.com return err; 53646d2f89dfSmajd@mellanox.com } 53656d2f89dfSmajd@mellanox.com 5366776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5367776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5368776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5369776a3906SMoni Shoua { 5370776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5371776a3906SMoni Shoua u32 *out; 5372776a3906SMoni Shoua u32 access_flags = 0; 5373776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5374776a3906SMoni Shoua void *dctc; 5375776a3906SMoni Shoua int err; 5376776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5377776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5378776a3906SMoni Shoua IB_QP_PORT | 5379776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5380776a3906SMoni Shoua IB_QP_AV | 5381776a3906SMoni Shoua IB_QP_PATH_MTU | 5382776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5383776a3906SMoni Shoua 5384776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5385776a3906SMoni Shoua return -EINVAL; 5386776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5387776a3906SMoni Shoua return -EINVAL; 5388776a3906SMoni Shoua 5389776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5390776a3906SMoni Shoua if (!out) 5391776a3906SMoni Shoua return -ENOMEM; 5392776a3906SMoni Shoua 5393776a3906SMoni Shoua err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); 5394776a3906SMoni Shoua if (err) 5395776a3906SMoni Shoua goto out; 5396776a3906SMoni Shoua 5397776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5398776a3906SMoni Shoua 5399776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5400776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5401776a3906SMoni Shoua 5402776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5403776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5404776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5405776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5406776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5407776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5408776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5409776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5410776a3906SMoni Shoua } 5411776a3906SMoni Shoua 5412776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5413776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5414776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5415776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5416776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5417776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5418776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5419776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5420776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5421776a3906SMoni Shoua } 5422776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5423776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5424776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5425776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5426776a3906SMoni Shoua out: 5427776a3906SMoni Shoua kfree(out); 5428776a3906SMoni Shoua return err; 5429776a3906SMoni Shoua } 5430776a3906SMoni Shoua 54316d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 54326d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 54336d2f89dfSmajd@mellanox.com { 54346d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 54356d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 54366d2f89dfSmajd@mellanox.com int err = 0; 54376d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 54386d2f89dfSmajd@mellanox.com 543928d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 544028d61370SYishai Hadas return -ENOSYS; 544128d61370SYishai Hadas 5442d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5443d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5444d16e91daSHaggai Eran qp_init_attr); 5445d16e91daSHaggai Eran 5446c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5447c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5448c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5449c2e53b2cSYishai Hadas 5450776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5451776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5452776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5453776a3906SMoni Shoua 54546d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 54556d2f89dfSmajd@mellanox.com 5456c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 5457c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 54586d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 54596d2f89dfSmajd@mellanox.com if (err) 54606d2f89dfSmajd@mellanox.com goto out; 54616d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 54626d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 54636d2f89dfSmajd@mellanox.com } else { 54646d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 54656d2f89dfSmajd@mellanox.com if (err) 54666d2f89dfSmajd@mellanox.com goto out; 54676d2f89dfSmajd@mellanox.com } 54686d2f89dfSmajd@mellanox.com 54696d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5470e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5471e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5472e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5473e126ba97SEli Cohen 5474e126ba97SEli Cohen if (!ibqp->uobject) { 54750540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5476e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 54770540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5478e126ba97SEli Cohen } else { 5479e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5480e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5481e126ba97SEli Cohen } 5482e126ba97SEli Cohen 54830540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 54840540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 54850540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 54860540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 54870540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5488e126ba97SEli Cohen 5489e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5490e126ba97SEli Cohen 5491e126ba97SEli Cohen qp_init_attr->create_flags = 0; 5492e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 5493e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5494e126ba97SEli Cohen 5495051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 5496051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 5497051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 5498051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 5499051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 5500051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 5501b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 5502b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 5503051f2630SLeon Romanovsky 5504e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5505e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5506e126ba97SEli Cohen 5507e126ba97SEli Cohen out: 5508e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5509e126ba97SEli Cohen return err; 5510e126ba97SEli Cohen } 5511e126ba97SEli Cohen 5512e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5513e126ba97SEli Cohen struct ib_ucontext *context, 5514e126ba97SEli Cohen struct ib_udata *udata) 5515e126ba97SEli Cohen { 5516e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5517e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5518e126ba97SEli Cohen int err; 5519e126ba97SEli Cohen 5520938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5521e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5522e126ba97SEli Cohen 5523e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5524e126ba97SEli Cohen if (!xrcd) 5525e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5526e126ba97SEli Cohen 55275aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5528e126ba97SEli Cohen if (err) { 5529e126ba97SEli Cohen kfree(xrcd); 5530e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5531e126ba97SEli Cohen } 5532e126ba97SEli Cohen 5533e126ba97SEli Cohen return &xrcd->ibxrcd; 5534e126ba97SEli Cohen } 5535e126ba97SEli Cohen 5536e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 5537e126ba97SEli Cohen { 5538e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5539e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5540e126ba97SEli Cohen int err; 5541e126ba97SEli Cohen 55425aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5543b081808aSLeon Romanovsky if (err) 5544e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5545e126ba97SEli Cohen 5546e126ba97SEli Cohen kfree(xrcd); 5547e126ba97SEli Cohen return 0; 5548e126ba97SEli Cohen } 554979b20a6cSYishai Hadas 5550350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5551350d0e4cSYishai Hadas { 5552350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5553350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5554350d0e4cSYishai Hadas struct ib_event event; 5555350d0e4cSYishai Hadas 5556350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5557350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5558350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5559350d0e4cSYishai Hadas switch (type) { 5560350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5561350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5562350d0e4cSYishai Hadas break; 5563350d0e4cSYishai Hadas default: 5564350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5565350d0e4cSYishai Hadas return; 5566350d0e4cSYishai Hadas } 5567350d0e4cSYishai Hadas 5568350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5569350d0e4cSYishai Hadas } 5570350d0e4cSYishai Hadas } 5571350d0e4cSYishai Hadas 557203404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 557303404e8aSMaor Gottlieb { 557403404e8aSMaor Gottlieb int err = 0; 557503404e8aSMaor Gottlieb 557603404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 557703404e8aSMaor Gottlieb if (dev->delay_drop.activate) 557803404e8aSMaor Gottlieb goto out; 557903404e8aSMaor Gottlieb 558003404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 558103404e8aSMaor Gottlieb if (err) 558203404e8aSMaor Gottlieb goto out; 558303404e8aSMaor Gottlieb 558403404e8aSMaor Gottlieb dev->delay_drop.activate = true; 558503404e8aSMaor Gottlieb out: 558603404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5587fe248c3aSMaor Gottlieb 5588fe248c3aSMaor Gottlieb if (!err) 5589fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 559003404e8aSMaor Gottlieb return err; 559103404e8aSMaor Gottlieb } 559203404e8aSMaor Gottlieb 559379b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 559479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 559579b20a6cSYishai Hadas { 559679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 55974be6da1eSNoa Osherovich int has_net_offloads; 559879b20a6cSYishai Hadas __be64 *rq_pas0; 559979b20a6cSYishai Hadas void *in; 560079b20a6cSYishai Hadas void *rqc; 560179b20a6cSYishai Hadas void *wq; 560279b20a6cSYishai Hadas int inlen; 560379b20a6cSYishai Hadas int err; 560479b20a6cSYishai Hadas 560579b20a6cSYishai Hadas dev = to_mdev(pd->device); 560679b20a6cSYishai Hadas 560779b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 56081b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 560979b20a6cSYishai Hadas if (!in) 561079b20a6cSYishai Hadas return -ENOMEM; 561179b20a6cSYishai Hadas 561234d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 561379b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 561479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 561579b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 561679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 561779b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 561879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 561979b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 562079b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5621ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 5622ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 5623ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 5624b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5625b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 5626b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 5627b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5628b1383aa6SNoa Osherovich goto out; 5629b1383aa6SNoa Osherovich } else { 563079b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 5631b1383aa6SNoa Osherovich } 5632b1383aa6SNoa Osherovich } 563379b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 5634ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 5635ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 5636ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 5637ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 5638ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 5639ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 5640ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 5641ccc87087SNoa Osherovich } 564279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 564379b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 564479b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 564579b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 564679b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 564779b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 56484be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 5649b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 56504be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5651b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 5652b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5653b1f74a84SNoa Osherovich goto out; 5654b1f74a84SNoa Osherovich } 5655b1f74a84SNoa Osherovich } else { 5656b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 5657b1f74a84SNoa Osherovich } 56584be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 56594be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 56604be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 56614be6da1eSNoa Osherovich err = -EOPNOTSUPP; 56624be6da1eSNoa Osherovich goto out; 56634be6da1eSNoa Osherovich } 56644be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 56654be6da1eSNoa Osherovich } 566603404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 566703404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 566803404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 566903404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 567003404e8aSMaor Gottlieb err = -EOPNOTSUPP; 567103404e8aSMaor Gottlieb goto out; 567203404e8aSMaor Gottlieb } 567303404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 567403404e8aSMaor Gottlieb } 567579b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 567679b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 5677350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 567803404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 567903404e8aSMaor Gottlieb err = set_delay_drop(dev); 568003404e8aSMaor Gottlieb if (err) { 568103404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 568203404e8aSMaor Gottlieb err); 568303404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 568403404e8aSMaor Gottlieb } else { 568503404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 568603404e8aSMaor Gottlieb } 568703404e8aSMaor Gottlieb } 5688b1f74a84SNoa Osherovich out: 568979b20a6cSYishai Hadas kvfree(in); 569079b20a6cSYishai Hadas return err; 569179b20a6cSYishai Hadas } 569279b20a6cSYishai Hadas 569379b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 569479b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 569579b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 569679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 569779b20a6cSYishai Hadas { 569879b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 569979b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 570079b20a6cSYishai Hadas return -EINVAL; 570179b20a6cSYishai Hadas 570279b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 570379b20a6cSYishai Hadas return -EINVAL; 570479b20a6cSYishai Hadas 570579b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 570679b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 57070dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 57080dfe4522SLeon Romanovsky return -EINVAL; 57090dfe4522SLeon Romanovsky 571079b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 571179b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 571279b20a6cSYishai Hadas return 0; 571379b20a6cSYishai Hadas } 571479b20a6cSYishai Hadas 571579b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 571679b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 571779b20a6cSYishai Hadas struct ib_udata *udata, 571879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 571979b20a6cSYishai Hadas { 572079b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 572179b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 572279b20a6cSYishai Hadas int err; 572379b20a6cSYishai Hadas size_t required_cmd_sz; 572479b20a6cSYishai Hadas 5725ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 5726ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 572779b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 572879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 572979b20a6cSYishai Hadas return -EINVAL; 573079b20a6cSYishai Hadas } 573179b20a6cSYishai Hadas 573279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 573379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 573479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 573579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 573679b20a6cSYishai Hadas return -EOPNOTSUPP; 573779b20a6cSYishai Hadas } 573879b20a6cSYishai Hadas 573979b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 574079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 574179b20a6cSYishai Hadas return -EFAULT; 574279b20a6cSYishai Hadas } 574379b20a6cSYishai Hadas 5744ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 574579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 574679b20a6cSYishai Hadas return -EOPNOTSUPP; 5747ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5748ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5749ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 575079b20a6cSYishai Hadas return -EOPNOTSUPP; 575179b20a6cSYishai Hadas } 5752ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5753ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5754ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5755ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5756ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5757ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5758ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5759ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5760ccc87087SNoa Osherovich return -EINVAL; 5761ccc87087SNoa Osherovich } 5762ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 5763ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5764ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 5765ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 5766ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 5767ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5768ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5769ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5770ccc87087SNoa Osherovich return -EINVAL; 5771ccc87087SNoa Osherovich } 5772ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5773ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5774ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5775ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5776ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5777ccc87087SNoa Osherovich } 577879b20a6cSYishai Hadas 577979b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 578079b20a6cSYishai Hadas if (err) { 578179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 578279b20a6cSYishai Hadas return err; 578379b20a6cSYishai Hadas } 578479b20a6cSYishai Hadas 578579b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 578679b20a6cSYishai Hadas if (err) { 578779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 578879b20a6cSYishai Hadas return err; 578979b20a6cSYishai Hadas } 579079b20a6cSYishai Hadas 579179b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 579279b20a6cSYishai Hadas return 0; 579379b20a6cSYishai Hadas } 579479b20a6cSYishai Hadas 579579b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 579679b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 579779b20a6cSYishai Hadas struct ib_udata *udata) 579879b20a6cSYishai Hadas { 579979b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 580079b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 580179b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 580279b20a6cSYishai Hadas size_t min_resp_len; 580379b20a6cSYishai Hadas int err; 580479b20a6cSYishai Hadas 580579b20a6cSYishai Hadas if (!udata) 580679b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 580779b20a6cSYishai Hadas 580879b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 580979b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 581079b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 581179b20a6cSYishai Hadas 581279b20a6cSYishai Hadas dev = to_mdev(pd->device); 581379b20a6cSYishai Hadas switch (init_attr->wq_type) { 581479b20a6cSYishai Hadas case IB_WQT_RQ: 581579b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 581679b20a6cSYishai Hadas if (!rwq) 581779b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 581879b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 581979b20a6cSYishai Hadas if (err) 582079b20a6cSYishai Hadas goto err; 582179b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 582279b20a6cSYishai Hadas if (err) 582379b20a6cSYishai Hadas goto err_user_rq; 582479b20a6cSYishai Hadas break; 582579b20a6cSYishai Hadas default: 582679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 582779b20a6cSYishai Hadas init_attr->wq_type); 582879b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 582979b20a6cSYishai Hadas } 583079b20a6cSYishai Hadas 5831350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 583279b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 583379b20a6cSYishai Hadas if (udata->outlen) { 583479b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 583579b20a6cSYishai Hadas sizeof(resp.response_length); 583679b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 583779b20a6cSYishai Hadas if (err) 583879b20a6cSYishai Hadas goto err_copy; 583979b20a6cSYishai Hadas } 584079b20a6cSYishai Hadas 5841350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5842350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 584379b20a6cSYishai Hadas return &rwq->ibwq; 584479b20a6cSYishai Hadas 584579b20a6cSYishai Hadas err_copy: 5846350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 584779b20a6cSYishai Hadas err_user_rq: 5848fe248c3aSMaor Gottlieb destroy_user_rq(dev, pd, rwq); 584979b20a6cSYishai Hadas err: 585079b20a6cSYishai Hadas kfree(rwq); 585179b20a6cSYishai Hadas return ERR_PTR(err); 585279b20a6cSYishai Hadas } 585379b20a6cSYishai Hadas 585479b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 585579b20a6cSYishai Hadas { 585679b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 585779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 585879b20a6cSYishai Hadas 5859350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 5860fe248c3aSMaor Gottlieb destroy_user_rq(dev, wq->pd, rwq); 586179b20a6cSYishai Hadas kfree(rwq); 586279b20a6cSYishai Hadas 586379b20a6cSYishai Hadas return 0; 586479b20a6cSYishai Hadas } 586579b20a6cSYishai Hadas 5866c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 5867c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5868c5f90929SYishai Hadas struct ib_udata *udata) 5869c5f90929SYishai Hadas { 5870c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5871c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5872c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5873c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5874c5f90929SYishai Hadas size_t min_resp_len; 5875c5f90929SYishai Hadas int inlen; 5876c5f90929SYishai Hadas int err; 5877c5f90929SYishai Hadas int i; 5878c5f90929SYishai Hadas u32 *in; 5879c5f90929SYishai Hadas void *rqtc; 5880c5f90929SYishai Hadas 5881c5f90929SYishai Hadas if (udata->inlen > 0 && 5882c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5883c5f90929SYishai Hadas udata->inlen)) 5884c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5885c5f90929SYishai Hadas 5886efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5887efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5888efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5889efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5890efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5891efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5892efd7f400SMaor Gottlieb } 5893efd7f400SMaor Gottlieb 5894c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5895c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5896c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5897c5f90929SYishai Hadas 5898c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5899c5f90929SYishai Hadas if (!rwq_ind_tbl) 5900c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5901c5f90929SYishai Hadas 5902c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 59031b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5904c5f90929SYishai Hadas if (!in) { 5905c5f90929SYishai Hadas err = -ENOMEM; 5906c5f90929SYishai Hadas goto err; 5907c5f90929SYishai Hadas } 5908c5f90929SYishai Hadas 5909c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5910c5f90929SYishai Hadas 5911c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5912c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5913c5f90929SYishai Hadas 5914c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5915c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5916c5f90929SYishai Hadas 59175deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 59185deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 59195deba86eSYishai Hadas 5920c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5921c5f90929SYishai Hadas kvfree(in); 5922c5f90929SYishai Hadas 5923c5f90929SYishai Hadas if (err) 5924c5f90929SYishai Hadas goto err; 5925c5f90929SYishai Hadas 5926c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5927c5f90929SYishai Hadas if (udata->outlen) { 5928c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5929c5f90929SYishai Hadas sizeof(resp.response_length); 5930c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5931c5f90929SYishai Hadas if (err) 5932c5f90929SYishai Hadas goto err_copy; 5933c5f90929SYishai Hadas } 5934c5f90929SYishai Hadas 5935c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5936c5f90929SYishai Hadas 5937c5f90929SYishai Hadas err_copy: 59385deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5939c5f90929SYishai Hadas err: 5940c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5941c5f90929SYishai Hadas return ERR_PTR(err); 5942c5f90929SYishai Hadas } 5943c5f90929SYishai Hadas 5944c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5945c5f90929SYishai Hadas { 5946c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5947c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5948c5f90929SYishai Hadas 59495deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 5950c5f90929SYishai Hadas 5951c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5952c5f90929SYishai Hadas return 0; 5953c5f90929SYishai Hadas } 5954c5f90929SYishai Hadas 595579b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 595679b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 595779b20a6cSYishai Hadas { 595879b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 595979b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 596079b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 596179b20a6cSYishai Hadas size_t required_cmd_sz; 596279b20a6cSYishai Hadas int curr_wq_state; 596379b20a6cSYishai Hadas int wq_state; 596479b20a6cSYishai Hadas int inlen; 596579b20a6cSYishai Hadas int err; 596679b20a6cSYishai Hadas void *rqc; 596779b20a6cSYishai Hadas void *in; 596879b20a6cSYishai Hadas 596979b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 597079b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 597179b20a6cSYishai Hadas return -EINVAL; 597279b20a6cSYishai Hadas 597379b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 597479b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 597579b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 597679b20a6cSYishai Hadas return -EOPNOTSUPP; 597779b20a6cSYishai Hadas 597879b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 597979b20a6cSYishai Hadas return -EFAULT; 598079b20a6cSYishai Hadas 598179b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 598279b20a6cSYishai Hadas return -EOPNOTSUPP; 598379b20a6cSYishai Hadas 598479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 59851b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 598679b20a6cSYishai Hadas if (!in) 598779b20a6cSYishai Hadas return -ENOMEM; 598879b20a6cSYishai Hadas 598979b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 599079b20a6cSYishai Hadas 599179b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 599279b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 599379b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 599479b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 599579b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 599679b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 599779b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 599879b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 599979b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 600034d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 600179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 600279b20a6cSYishai Hadas 6003b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6004b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6005b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6006b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6007b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6008b1f74a84SNoa Osherovich "supported\n"); 6009b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6010b1f74a84SNoa Osherovich goto out; 6011b1f74a84SNoa Osherovich } 6012b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6013b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6014b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6015b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6016b1f74a84SNoa Osherovich } 6017b1383aa6SNoa Osherovich 6018b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6019b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6020b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6021b1383aa6SNoa Osherovich goto out; 6022b1383aa6SNoa Osherovich } 6023b1f74a84SNoa Osherovich } 6024b1f74a84SNoa Osherovich 602523a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 602623a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 602723a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 602823a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 6029e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 6030e1f24a79SParav Pandit dev->port->cnts.set_id); 603123a6964eSMajd Dibbiny } else 60325a738b5dSJason Gunthorpe dev_info_once( 60335a738b5dSJason Gunthorpe &dev->ib_dev.dev, 60345a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 603523a6964eSMajd Dibbiny } 603623a6964eSMajd Dibbiny 6037350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 603879b20a6cSYishai Hadas if (!err) 603979b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 604079b20a6cSYishai Hadas 6041b1f74a84SNoa Osherovich out: 6042b1f74a84SNoa Osherovich kvfree(in); 604379b20a6cSYishai Hadas return err; 604479b20a6cSYishai Hadas } 6045d0e84c0aSYishai Hadas 6046d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6047d0e84c0aSYishai Hadas struct ib_cqe cqe; 6048d0e84c0aSYishai Hadas struct completion done; 6049d0e84c0aSYishai Hadas }; 6050d0e84c0aSYishai Hadas 6051d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6052d0e84c0aSYishai Hadas { 6053d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6054d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6055d0e84c0aSYishai Hadas cqe); 6056d0e84c0aSYishai Hadas 6057d0e84c0aSYishai Hadas complete(&cqe->done); 6058d0e84c0aSYishai Hadas } 6059d0e84c0aSYishai Hadas 6060d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6061d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6062d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6063d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6064d0e84c0aSYishai Hadas { 6065d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6066d0e84c0aSYishai Hadas 6067d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6068d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6069d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6070d0e84c0aSYishai Hadas return; 6071d0e84c0aSYishai Hadas } 6072d0e84c0aSYishai Hadas 6073d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6074d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6075d0e84c0aSYishai Hadas bool triggered = false; 6076d0e84c0aSYishai Hadas unsigned long flags; 6077d0e84c0aSYishai Hadas 6078d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6079d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6080d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6081d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6082d0e84c0aSYishai Hadas else 6083d0e84c0aSYishai Hadas triggered = true; 6084d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6085d0e84c0aSYishai Hadas 6086d0e84c0aSYishai Hadas if (triggered) { 6087d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6088d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6089d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6090d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6091d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6092d0e84c0aSYishai Hadas break; 6093d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6094d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6095d0e84c0aSYishai Hadas break; 6096d0e84c0aSYishai Hadas default: 6097d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6098d0e84c0aSYishai Hadas } 6099d0e84c0aSYishai Hadas } 6100d0e84c0aSYishai Hadas 6101d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6102d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6103d0e84c0aSYishai Hadas */ 6104d0e84c0aSYishai Hadas mcq->mcq.comp(&mcq->mcq); 6105d0e84c0aSYishai Hadas } 6106d0e84c0aSYishai Hadas 6107d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6108d0e84c0aSYishai Hadas } 6109d0e84c0aSYishai Hadas 6110d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6111d0e84c0aSYishai Hadas { 6112d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6113d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6114d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6115d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6116d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6117d0e84c0aSYishai Hadas .wr = { 6118d0e84c0aSYishai Hadas .next = NULL, 6119d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6120d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6121d0e84c0aSYishai Hadas }, 6122d0e84c0aSYishai Hadas }; 6123d0e84c0aSYishai Hadas int ret; 6124d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6125d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6126d0e84c0aSYishai Hadas 6127d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6128d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6129d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6130d0e84c0aSYishai Hadas return; 6131d0e84c0aSYishai Hadas } 6132d0e84c0aSYishai Hadas 6133d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6134d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6135d0e84c0aSYishai Hadas 6136d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6137d0e84c0aSYishai Hadas if (ret) { 6138d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6139d0e84c0aSYishai Hadas return; 6140d0e84c0aSYishai Hadas } 6141d0e84c0aSYishai Hadas 6142d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6143d0e84c0aSYishai Hadas } 6144d0e84c0aSYishai Hadas 6145d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6146d0e84c0aSYishai Hadas { 6147d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6148d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6149d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6150d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6151d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6152d0e84c0aSYishai Hadas int ret; 6153d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6154d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6155d0e84c0aSYishai Hadas 6156d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6157d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6158d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6159d0e84c0aSYishai Hadas return; 6160d0e84c0aSYishai Hadas } 6161d0e84c0aSYishai Hadas 6162d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6163d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6164d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6165d0e84c0aSYishai Hadas 6166d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6167d0e84c0aSYishai Hadas if (ret) { 6168d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6169d0e84c0aSYishai Hadas return; 6170d0e84c0aSYishai Hadas } 6171d0e84c0aSYishai Hadas 6172d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6173d0e84c0aSYishai Hadas } 6174