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 111e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset) 112e126ba97SEli Cohen { 113e126ba97SEli Cohen return mlx5_buf_offset(&qp->buf, offset); 114e126ba97SEli Cohen } 115e126ba97SEli Cohen 116e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) 117e126ba97SEli Cohen { 118e126ba97SEli Cohen return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); 119e126ba97SEli Cohen } 120e126ba97SEli Cohen 121e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) 122e126ba97SEli Cohen { 123e126ba97SEli Cohen return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); 124e126ba97SEli Cohen } 125e126ba97SEli Cohen 126c1395a2aSHaggai Eran /** 127c1395a2aSHaggai Eran * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. 128c1395a2aSHaggai Eran * 129c1395a2aSHaggai Eran * @qp: QP to copy from. 130c1395a2aSHaggai Eran * @send: copy from the send queue when non-zero, use the receive queue 131c1395a2aSHaggai Eran * otherwise. 132c1395a2aSHaggai Eran * @wqe_index: index to start copying from. For send work queues, the 133c1395a2aSHaggai Eran * wqe_index is in units of MLX5_SEND_WQE_BB. 134c1395a2aSHaggai Eran * For receive work queue, it is the number of work queue 135c1395a2aSHaggai Eran * element in the queue. 136c1395a2aSHaggai Eran * @buffer: destination buffer. 137c1395a2aSHaggai Eran * @length: maximum number of bytes to copy. 138c1395a2aSHaggai Eran * 139c1395a2aSHaggai Eran * Copies at least a single WQE, but may copy more data. 140c1395a2aSHaggai Eran * 141c1395a2aSHaggai Eran * Return: the number of bytes copied, or an error code. 142c1395a2aSHaggai Eran */ 143c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, 14419098df2Smajd@mellanox.com void *buffer, u32 length, 14519098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 146c1395a2aSHaggai Eran { 147c1395a2aSHaggai Eran struct ib_device *ibdev = qp->ibqp.device; 148c1395a2aSHaggai Eran struct mlx5_ib_dev *dev = to_mdev(ibdev); 149c1395a2aSHaggai Eran struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; 150c1395a2aSHaggai Eran size_t offset; 151c1395a2aSHaggai Eran size_t wq_end; 15219098df2Smajd@mellanox.com struct ib_umem *umem = base->ubuffer.umem; 153c1395a2aSHaggai Eran u32 first_copy_length; 154c1395a2aSHaggai Eran int wqe_length; 155c1395a2aSHaggai Eran int ret; 156c1395a2aSHaggai Eran 157c1395a2aSHaggai Eran if (wq->wqe_cnt == 0) { 158c1395a2aSHaggai Eran mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", 159c1395a2aSHaggai Eran qp->ibqp.qp_type); 160c1395a2aSHaggai Eran return -EINVAL; 161c1395a2aSHaggai Eran } 162c1395a2aSHaggai Eran 163c1395a2aSHaggai Eran offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); 164c1395a2aSHaggai Eran wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); 165c1395a2aSHaggai Eran 166c1395a2aSHaggai Eran if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) 167c1395a2aSHaggai Eran return -EINVAL; 168c1395a2aSHaggai Eran 169c1395a2aSHaggai Eran if (offset > umem->length || 170c1395a2aSHaggai Eran (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) 171c1395a2aSHaggai Eran return -EINVAL; 172c1395a2aSHaggai Eran 173c1395a2aSHaggai Eran first_copy_length = min_t(u32, offset + length, wq_end) - offset; 174c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); 175c1395a2aSHaggai Eran if (ret) 176c1395a2aSHaggai Eran return ret; 177c1395a2aSHaggai Eran 178c1395a2aSHaggai Eran if (send) { 179c1395a2aSHaggai Eran struct mlx5_wqe_ctrl_seg *ctrl = buffer; 180c1395a2aSHaggai Eran int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 181c1395a2aSHaggai Eran 182c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 183c1395a2aSHaggai Eran } else { 184c1395a2aSHaggai Eran wqe_length = 1 << wq->wqe_shift; 185c1395a2aSHaggai Eran } 186c1395a2aSHaggai Eran 187c1395a2aSHaggai Eran if (wqe_length <= first_copy_length) 188c1395a2aSHaggai Eran return first_copy_length; 189c1395a2aSHaggai Eran 190c1395a2aSHaggai Eran ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, 191c1395a2aSHaggai Eran wqe_length - first_copy_length); 192c1395a2aSHaggai Eran if (ret) 193c1395a2aSHaggai Eran return ret; 194c1395a2aSHaggai Eran 195c1395a2aSHaggai Eran return wqe_length; 196c1395a2aSHaggai Eran } 197c1395a2aSHaggai Eran 198e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 199e126ba97SEli Cohen { 200e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 201e126ba97SEli Cohen struct ib_event event; 202e126ba97SEli Cohen 20319098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 20419098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 20519098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 20619098df2Smajd@mellanox.com } 207e126ba97SEli Cohen 208e126ba97SEli Cohen if (ibqp->event_handler) { 209e126ba97SEli Cohen event.device = ibqp->device; 210e126ba97SEli Cohen event.element.qp = ibqp; 211e126ba97SEli Cohen switch (type) { 212e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 213e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 214e126ba97SEli Cohen break; 215e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 216e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 217e126ba97SEli Cohen break; 218e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 219e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 220e126ba97SEli Cohen break; 221e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 222e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 223e126ba97SEli Cohen break; 224e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 225e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 226e126ba97SEli Cohen break; 227e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 228e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 229e126ba97SEli Cohen break; 230e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 231e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 232e126ba97SEli Cohen break; 233e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 234e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 235e126ba97SEli Cohen break; 236e126ba97SEli Cohen default: 237e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 238e126ba97SEli Cohen return; 239e126ba97SEli Cohen } 240e126ba97SEli Cohen 241e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 242e126ba97SEli Cohen } 243e126ba97SEli Cohen } 244e126ba97SEli Cohen 245e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 246e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 247e126ba97SEli Cohen { 248e126ba97SEli Cohen int wqe_size; 249e126ba97SEli Cohen int wq_size; 250e126ba97SEli Cohen 251e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 252938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 253e126ba97SEli Cohen return -EINVAL; 254e126ba97SEli Cohen 255e126ba97SEli Cohen if (!has_rq) { 256e126ba97SEli Cohen qp->rq.max_gs = 0; 257e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 258e126ba97SEli Cohen qp->rq.wqe_shift = 0; 2590540d814SNoa Osherovich cap->max_recv_wr = 0; 2600540d814SNoa Osherovich cap->max_recv_sge = 0; 261e126ba97SEli Cohen } else { 262e126ba97SEli Cohen if (ucmd) { 263e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 264002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 265002bf228SLeon Romanovsky return -EINVAL; 266e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 267002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 268002bf228SLeon Romanovsky return -EINVAL; 269e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 270e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 271e126ba97SEli Cohen } else { 272e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 273e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 274e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 275e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 276e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 277e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 278938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 279e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 280e126ba97SEli Cohen wqe_size, 281938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 282938fe83cSSaeed Mahameed max_wqe_sz_rq)); 283e126ba97SEli Cohen return -EINVAL; 284e126ba97SEli Cohen } 285e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 286e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 287e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 288e126ba97SEli Cohen } 289e126ba97SEli Cohen } 290e126ba97SEli Cohen 291e126ba97SEli Cohen return 0; 292e126ba97SEli Cohen } 293e126ba97SEli Cohen 294f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 295e126ba97SEli Cohen { 296618af384SAndi Shyti int size = 0; 297e126ba97SEli Cohen 298f0313965SErez Shitrit switch (attr->qp_type) { 299e126ba97SEli Cohen case IB_QPT_XRC_INI: 300b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 301e126ba97SEli Cohen /* fall through */ 302e126ba97SEli Cohen case IB_QPT_RC: 303e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 30475c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 30575c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 30675c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 307064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 308064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 309064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 310e126ba97SEli Cohen break; 311e126ba97SEli Cohen 312b125a54bSEli Cohen case IB_QPT_XRC_TGT: 313b125a54bSEli Cohen return 0; 314b125a54bSEli Cohen 315e126ba97SEli Cohen case IB_QPT_UC: 316b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 31775c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 3189e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 31975c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen 322e126ba97SEli Cohen case IB_QPT_UD: 323f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 324f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 325f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 326f0313965SErez Shitrit /* fall through */ 327e126ba97SEli Cohen case IB_QPT_SMI: 328d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 329b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 330e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 331e126ba97SEli Cohen break; 332e126ba97SEli Cohen 333e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 334b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 335e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 336e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 337e126ba97SEli Cohen break; 338e126ba97SEli Cohen 339e126ba97SEli Cohen default: 340e126ba97SEli Cohen return -EINVAL; 341e126ba97SEli Cohen } 342e126ba97SEli Cohen 343e126ba97SEli Cohen return size; 344e126ba97SEli Cohen } 345e126ba97SEli Cohen 346e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 347e126ba97SEli Cohen { 348e126ba97SEli Cohen int inl_size = 0; 349e126ba97SEli Cohen int size; 350e126ba97SEli Cohen 351f0313965SErez Shitrit size = sq_overhead(attr); 352e126ba97SEli Cohen if (size < 0) 353e126ba97SEli Cohen return size; 354e126ba97SEli Cohen 355e126ba97SEli Cohen if (attr->cap.max_inline_data) { 356e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 357e126ba97SEli Cohen attr->cap.max_inline_data; 358e126ba97SEli Cohen } 359e126ba97SEli Cohen 360e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 361e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 362e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 363e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 364e1e66cc2SSagi Grimberg else 365e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 366e126ba97SEli Cohen } 367e126ba97SEli Cohen 368288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 369288c01b7SEli Cohen { 370288c01b7SEli Cohen int max_sge; 371288c01b7SEli Cohen 372288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 373288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 374288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 375288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 376288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 377288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 378288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 379288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 380288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 381288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 382288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 383288c01b7SEli Cohen else 384288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 385288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 386288c01b7SEli Cohen 387288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 388288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 389288c01b7SEli Cohen } 390288c01b7SEli Cohen 391e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 392e126ba97SEli Cohen struct mlx5_ib_qp *qp) 393e126ba97SEli Cohen { 394e126ba97SEli Cohen int wqe_size; 395e126ba97SEli Cohen int wq_size; 396e126ba97SEli Cohen 397e126ba97SEli Cohen if (!attr->cap.max_send_wr) 398e126ba97SEli Cohen return 0; 399e126ba97SEli Cohen 400e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 401e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 402e126ba97SEli Cohen if (wqe_size < 0) 403e126ba97SEli Cohen return wqe_size; 404e126ba97SEli Cohen 405938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 406b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 407938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 408e126ba97SEli Cohen return -EINVAL; 409e126ba97SEli Cohen } 410e126ba97SEli Cohen 411f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 412e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 413e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 414e126ba97SEli Cohen 415e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 416e1e66cc2SSagi Grimberg qp->signature_en = true; 417e1e66cc2SSagi Grimberg 418e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 419e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 420938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 4211974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 4221974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 423938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 424938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 425b125a54bSEli Cohen return -ENOMEM; 426b125a54bSEli Cohen } 427e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 428288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 429288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 430288c01b7SEli Cohen return -ENOMEM; 431288c01b7SEli Cohen 432288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 433b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 434b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 435e126ba97SEli Cohen 436e126ba97SEli Cohen return wq_size; 437e126ba97SEli Cohen } 438e126ba97SEli Cohen 439e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 440e126ba97SEli Cohen struct mlx5_ib_qp *qp, 44119098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 4420fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 4430fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 444e126ba97SEli Cohen { 445e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 446e126ba97SEli Cohen 447938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 448e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 449938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 450e126ba97SEli Cohen return -EINVAL; 451e126ba97SEli Cohen } 452e126ba97SEli Cohen 453e126ba97SEli Cohen if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { 454e126ba97SEli Cohen mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", 455e126ba97SEli Cohen ucmd->sq_wqe_count, ucmd->sq_wqe_count); 456e126ba97SEli Cohen return -EINVAL; 457e126ba97SEli Cohen } 458e126ba97SEli Cohen 459e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 460e126ba97SEli Cohen 461938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 462e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 463938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 464938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 465e126ba97SEli Cohen return -EINVAL; 466e126ba97SEli Cohen } 467e126ba97SEli Cohen 468c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 469c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 4700fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 4710fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 4720fb2ed66Smajd@mellanox.com } else { 47319098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 474e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 4750fb2ed66Smajd@mellanox.com } 476e126ba97SEli Cohen 477e126ba97SEli Cohen return 0; 478e126ba97SEli Cohen } 479e126ba97SEli Cohen 480e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 481e126ba97SEli Cohen { 482e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 483e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 484e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 485e126ba97SEli Cohen !attr->cap.max_recv_wr) 486e126ba97SEli Cohen return 0; 487e126ba97SEli Cohen 488e126ba97SEli Cohen return 1; 489e126ba97SEli Cohen } 490e126ba97SEli Cohen 4910b80c14fSEli Cohen enum { 4920b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 4930b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 4940b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 4950b80c14fSEli Cohen * "odd/even" order 4960b80c14fSEli Cohen */ 4970b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 4980b80c14fSEli Cohen }; 4990b80c14fSEli Cohen 500b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 501b037c29aSEli Cohen { 50231a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 503b037c29aSEli Cohen } 504b037c29aSEli Cohen 505b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 506b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 507c1be5232SEli Cohen { 508c1be5232SEli Cohen int n; 509c1be5232SEli Cohen 510b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 511b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 512c1be5232SEli Cohen 513c1be5232SEli Cohen return n >= 0 ? n : 0; 514c1be5232SEli Cohen } 515c1be5232SEli Cohen 51618b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 51718b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 51818b0362eSYishai Hadas { 51918b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 52018b0362eSYishai Hadas } 52118b0362eSYishai Hadas 522b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 523b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 524c1be5232SEli Cohen { 525c1be5232SEli Cohen int med; 526c1be5232SEli Cohen 527b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 528b037c29aSEli Cohen return ++med; 529c1be5232SEli Cohen } 530c1be5232SEli Cohen 531b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 532b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 533e126ba97SEli Cohen { 534e126ba97SEli Cohen int i; 535e126ba97SEli Cohen 536b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 537b037c29aSEli Cohen if (!bfregi->count[i]) { 5382f5ff264SEli Cohen bfregi->count[i]++; 539e126ba97SEli Cohen return i; 540e126ba97SEli Cohen } 541e126ba97SEli Cohen } 542e126ba97SEli Cohen 543e126ba97SEli Cohen return -ENOMEM; 544e126ba97SEli Cohen } 545e126ba97SEli Cohen 546b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 547b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 548e126ba97SEli Cohen { 54918b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 550e126ba97SEli Cohen int i; 551e126ba97SEli Cohen 55218b0362eSYishai Hadas if (minidx < 0) 55318b0362eSYishai Hadas return minidx; 55418b0362eSYishai Hadas 55518b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 5562f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 557e126ba97SEli Cohen minidx = i; 5580b80c14fSEli Cohen if (!bfregi->count[minidx]) 5590b80c14fSEli Cohen break; 560e126ba97SEli Cohen } 561e126ba97SEli Cohen 5622f5ff264SEli Cohen bfregi->count[minidx]++; 563e126ba97SEli Cohen return minidx; 564e126ba97SEli Cohen } 565e126ba97SEli Cohen 566b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 567ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 568e126ba97SEli Cohen { 569ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 570e126ba97SEli Cohen 5712f5ff264SEli Cohen mutex_lock(&bfregi->lock); 572ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 573ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 574ffaf58deSLeon Romanovsky if (bfregn < 0) 575ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 576ffaf58deSLeon Romanovsky } 577ffaf58deSLeon Romanovsky 578ffaf58deSLeon Romanovsky if (bfregn < 0) { 5790b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 5802f5ff264SEli Cohen bfregn = 0; 5812f5ff264SEli Cohen bfregi->count[bfregn]++; 582e126ba97SEli Cohen } 5832f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 584e126ba97SEli Cohen 5852f5ff264SEli Cohen return bfregn; 586e126ba97SEli Cohen } 587e126ba97SEli Cohen 5884ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 589e126ba97SEli Cohen { 5902f5ff264SEli Cohen mutex_lock(&bfregi->lock); 591b037c29aSEli Cohen bfregi->count[bfregn]--; 5922f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 593e126ba97SEli Cohen } 594e126ba97SEli Cohen 595e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 596e126ba97SEli Cohen { 597e126ba97SEli Cohen switch (state) { 598e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 599e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 600e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 601e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 602e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 603e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 604e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 605e126ba97SEli Cohen default: return -1; 606e126ba97SEli Cohen } 607e126ba97SEli Cohen } 608e126ba97SEli Cohen 609e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 610e126ba97SEli Cohen { 611e126ba97SEli Cohen switch (type) { 612e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 613e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 614e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 615e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 616e126ba97SEli Cohen case IB_QPT_XRC_INI: 617e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 618e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 619d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 620c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 621e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 622e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 6230fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 624e126ba97SEli Cohen case IB_QPT_MAX: 625e126ba97SEli Cohen default: return -EINVAL; 626e126ba97SEli Cohen } 627e126ba97SEli Cohen } 628e126ba97SEli Cohen 62989ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 63089ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 63189ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 63289ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 63389ea94a7SMaor Gottlieb 6347c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 63505f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 6361ee47ab3SYishai Hadas bool dyn_bfreg) 637e126ba97SEli Cohen { 63805f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 63905f58cebSLeon Romanovsky u32 index_of_sys_page; 64005f58cebSLeon Romanovsky u32 offset; 641b037c29aSEli Cohen 642b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 643b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 644b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 645b037c29aSEli Cohen 64605f58cebSLeon Romanovsky if (dyn_bfreg) { 64705f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 64805f58cebSLeon Romanovsky 6497c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 6507c043e90SYishai Hadas return -EINVAL; 6517c043e90SYishai Hadas 6521ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 6531ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 6541ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 6551ee47ab3SYishai Hadas return -EINVAL; 6561ee47ab3SYishai Hadas } 6571ee47ab3SYishai Hadas } 658b037c29aSEli Cohen 6591ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 660b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 661e126ba97SEli Cohen } 662e126ba97SEli Cohen 66319098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, 66419098df2Smajd@mellanox.com struct ib_pd *pd, 66519098df2Smajd@mellanox.com unsigned long addr, size_t size, 66619098df2Smajd@mellanox.com struct ib_umem **umem, 66719098df2Smajd@mellanox.com int *npages, int *page_shift, int *ncont, 66819098df2Smajd@mellanox.com u32 *offset) 66919098df2Smajd@mellanox.com { 67019098df2Smajd@mellanox.com int err; 67119098df2Smajd@mellanox.com 67219098df2Smajd@mellanox.com *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); 67319098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 67419098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 67519098df2Smajd@mellanox.com return PTR_ERR(*umem); 67619098df2Smajd@mellanox.com } 67719098df2Smajd@mellanox.com 678762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 67919098df2Smajd@mellanox.com 68019098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 68119098df2Smajd@mellanox.com if (err) { 68219098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 68319098df2Smajd@mellanox.com goto err_umem; 68419098df2Smajd@mellanox.com } 68519098df2Smajd@mellanox.com 68619098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 68719098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 68819098df2Smajd@mellanox.com 68919098df2Smajd@mellanox.com return 0; 69019098df2Smajd@mellanox.com 69119098df2Smajd@mellanox.com err_umem: 69219098df2Smajd@mellanox.com ib_umem_release(*umem); 69319098df2Smajd@mellanox.com *umem = NULL; 69419098df2Smajd@mellanox.com 69519098df2Smajd@mellanox.com return err; 69619098df2Smajd@mellanox.com } 69719098df2Smajd@mellanox.com 698fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 699fe248c3aSMaor Gottlieb struct mlx5_ib_rwq *rwq) 70079b20a6cSYishai Hadas { 70179b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 70279b20a6cSYishai Hadas 703fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 704fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 705fe248c3aSMaor Gottlieb 70679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 70779b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 70879b20a6cSYishai Hadas if (rwq->umem) 70979b20a6cSYishai Hadas ib_umem_release(rwq->umem); 71079b20a6cSYishai Hadas } 71179b20a6cSYishai Hadas 71279b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 71379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq, 71479b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 71579b20a6cSYishai Hadas { 71679b20a6cSYishai Hadas struct mlx5_ib_ucontext *context; 71779b20a6cSYishai Hadas int page_shift = 0; 71879b20a6cSYishai Hadas int npages; 71979b20a6cSYishai Hadas u32 offset = 0; 72079b20a6cSYishai Hadas int ncont = 0; 72179b20a6cSYishai Hadas int err; 72279b20a6cSYishai Hadas 72379b20a6cSYishai Hadas if (!ucmd->buf_addr) 72479b20a6cSYishai Hadas return -EINVAL; 72579b20a6cSYishai Hadas 72679b20a6cSYishai Hadas context = to_mucontext(pd->uobject->context); 72779b20a6cSYishai Hadas rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, 72879b20a6cSYishai Hadas rwq->buf_size, 0, 0); 72979b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 73079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 73179b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 73279b20a6cSYishai Hadas return err; 73379b20a6cSYishai Hadas } 73479b20a6cSYishai Hadas 735762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 73679b20a6cSYishai Hadas &ncont, NULL); 73779b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 73879b20a6cSYishai Hadas &rwq->rq_page_offset); 73979b20a6cSYishai Hadas if (err) { 74079b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 74179b20a6cSYishai Hadas goto err_umem; 74279b20a6cSYishai Hadas } 74379b20a6cSYishai Hadas 74479b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 74579b20a6cSYishai Hadas rwq->page_shift = page_shift; 74679b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 74779b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 74879b20a6cSYishai Hadas 74979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 75079b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 75179b20a6cSYishai Hadas npages, page_shift, ncont, offset); 75279b20a6cSYishai Hadas 75379b20a6cSYishai Hadas err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); 75479b20a6cSYishai Hadas if (err) { 75579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 75679b20a6cSYishai Hadas goto err_umem; 75779b20a6cSYishai Hadas } 75879b20a6cSYishai Hadas 75979b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 76079b20a6cSYishai Hadas return 0; 76179b20a6cSYishai Hadas 76279b20a6cSYishai Hadas err_umem: 76379b20a6cSYishai Hadas ib_umem_release(rwq->umem); 76479b20a6cSYishai Hadas return err; 76579b20a6cSYishai Hadas } 76679b20a6cSYishai Hadas 767b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 768b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 769b037c29aSEli Cohen { 770b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 771b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 772b037c29aSEli Cohen } 773b037c29aSEli Cohen 774e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 775e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 7760fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 77709a7d9ecSSaeed Mahameed u32 **in, 77819098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 77919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 780e126ba97SEli Cohen { 781e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 782e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 78319098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 7849e9c47d0SEli Cohen int page_shift = 0; 7851ee47ab3SYishai Hadas int uar_index = 0; 786e126ba97SEli Cohen int npages; 7879e9c47d0SEli Cohen u32 offset = 0; 7882f5ff264SEli Cohen int bfregn; 7899e9c47d0SEli Cohen int ncont = 0; 79009a7d9ecSSaeed Mahameed __be64 *pas; 79109a7d9ecSSaeed Mahameed void *qpc; 792e126ba97SEli Cohen int err; 793e126ba97SEli Cohen 794e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 795e126ba97SEli Cohen if (err) { 796e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 797e126ba97SEli Cohen return err; 798e126ba97SEli Cohen } 799e126ba97SEli Cohen 800e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 8011ee47ab3SYishai Hadas if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { 8021ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 8031ee47ab3SYishai Hadas ucmd.bfreg_index, true); 8041ee47ab3SYishai Hadas if (uar_index < 0) 8051ee47ab3SYishai Hadas return uar_index; 8061ee47ab3SYishai Hadas 8071ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 8081ee47ab3SYishai Hadas } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { 809e126ba97SEli Cohen /* 810e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 811e126ba97SEli Cohen */ 812051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 8132f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 8141ee47ab3SYishai Hadas } 815051f2630SLeon Romanovsky else { 816ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 817ffaf58deSLeon Romanovsky if (bfregn < 0) 8182f5ff264SEli Cohen return bfregn; 819e126ba97SEli Cohen } 820e126ba97SEli Cohen 8212f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 8221ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 8231ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 8241ee47ab3SYishai Hadas false); 825e126ba97SEli Cohen 82648fea837SHaggai Eran qp->rq.offset = 0; 82748fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 82848fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 82948fea837SHaggai Eran 8300fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 831e126ba97SEli Cohen if (err) 8322f5ff264SEli Cohen goto err_bfreg; 833e126ba97SEli Cohen 83419098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 83519098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 83619098df2Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, 83719098df2Smajd@mellanox.com ubuffer->buf_size, 83819098df2Smajd@mellanox.com &ubuffer->umem, &npages, &page_shift, 83919098df2Smajd@mellanox.com &ncont, &offset); 84019098df2Smajd@mellanox.com if (err) 8412f5ff264SEli Cohen goto err_bfreg; 8429e9c47d0SEli Cohen } else { 84319098df2Smajd@mellanox.com ubuffer->umem = NULL; 8449e9c47d0SEli Cohen } 845e126ba97SEli Cohen 84609a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 84709a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 8481b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 849e126ba97SEli Cohen if (!*in) { 850e126ba97SEli Cohen err = -ENOMEM; 851e126ba97SEli Cohen goto err_umem; 852e126ba97SEli Cohen } 853e126ba97SEli Cohen 854991d2198SYishai Hadas MLX5_SET(create_qp_in, *in, uid, to_mpd(pd)->uid); 85509a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 85609a7d9ecSSaeed Mahameed if (ubuffer->umem) 85709a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 85809a7d9ecSSaeed Mahameed 85909a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 86009a7d9ecSSaeed Mahameed 86109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 86209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 86309a7d9ecSSaeed Mahameed 86409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 8651ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 866b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 8671ee47ab3SYishai Hadas else 8681ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 8692f5ff264SEli Cohen qp->bfregn = bfregn; 870e126ba97SEli Cohen 871e126ba97SEli Cohen err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); 872e126ba97SEli Cohen if (err) { 873e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 874e126ba97SEli Cohen goto err_free; 875e126ba97SEli Cohen } 876e126ba97SEli Cohen 87741d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 878e126ba97SEli Cohen if (err) { 879e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 880e126ba97SEli Cohen goto err_unmap; 881e126ba97SEli Cohen } 882e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 883e126ba97SEli Cohen 884e126ba97SEli Cohen return 0; 885e126ba97SEli Cohen 886e126ba97SEli Cohen err_unmap: 887e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 888e126ba97SEli Cohen 889e126ba97SEli Cohen err_free: 890479163f4SAl Viro kvfree(*in); 891e126ba97SEli Cohen 892e126ba97SEli Cohen err_umem: 89319098df2Smajd@mellanox.com if (ubuffer->umem) 89419098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 895e126ba97SEli Cohen 8962f5ff264SEli Cohen err_bfreg: 8971ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 8984ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 899e126ba97SEli Cohen return err; 900e126ba97SEli Cohen } 901e126ba97SEli Cohen 902b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 903b037c29aSEli Cohen struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) 904e126ba97SEli Cohen { 905e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 906e126ba97SEli Cohen 907e126ba97SEli Cohen context = to_mucontext(pd->uobject->context); 908e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 90919098df2Smajd@mellanox.com if (base->ubuffer.umem) 91019098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 9111ee47ab3SYishai Hadas 9121ee47ab3SYishai Hadas /* 9131ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 9141ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 9151ee47ab3SYishai Hadas */ 9161ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 9174ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 918e126ba97SEli Cohen } 919e126ba97SEli Cohen 920e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 921e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 922e126ba97SEli Cohen struct mlx5_ib_qp *qp, 92309a7d9ecSSaeed Mahameed u32 **in, int *inlen, 92419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 925e126ba97SEli Cohen { 926e126ba97SEli Cohen int uar_index; 92709a7d9ecSSaeed Mahameed void *qpc; 928e126ba97SEli Cohen int err; 929e126ba97SEli Cohen 930f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 931f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 932b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 93393d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 934b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 9351a4c3a3dSEli Cohen return -EINVAL; 936e126ba97SEli Cohen 937e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 9385fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 9395fe9dec0SEli Cohen else 9405fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 941e126ba97SEli Cohen 942d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 943d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 944d8030b0dSEli Cohen */ 945d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 9465fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 947e126ba97SEli Cohen 948e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 949e126ba97SEli Cohen if (err < 0) { 950e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9515fe9dec0SEli Cohen return err; 952e126ba97SEli Cohen } 953e126ba97SEli Cohen 954e126ba97SEli Cohen qp->rq.offset = 0; 955e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 95619098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 957e126ba97SEli Cohen 95819098df2Smajd@mellanox.com err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); 959e126ba97SEli Cohen if (err) { 960e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 9615fe9dec0SEli Cohen return err; 962e126ba97SEli Cohen } 963e126ba97SEli Cohen 964e126ba97SEli Cohen qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); 96509a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 96609a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 9671b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 968e126ba97SEli Cohen if (!*in) { 969e126ba97SEli Cohen err = -ENOMEM; 970e126ba97SEli Cohen goto err_buf; 971e126ba97SEli Cohen } 97209a7d9ecSSaeed Mahameed 97309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 97409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 97509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 97609a7d9ecSSaeed Mahameed 977e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 97809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 97909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 980e126ba97SEli Cohen 981b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 98209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 983b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 984b11a4f9cSHaggai Eran } 985b11a4f9cSHaggai Eran 98609a7d9ecSSaeed Mahameed mlx5_fill_page_array(&qp->buf, 98709a7d9ecSSaeed Mahameed (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); 988e126ba97SEli Cohen 9899603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 990e126ba97SEli Cohen if (err) { 991e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 992e126ba97SEli Cohen goto err_free; 993e126ba97SEli Cohen } 994e126ba97SEli Cohen 995b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 996b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 997b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 998b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 999b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1000b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1001b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1002b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1003b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1004b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1005e126ba97SEli Cohen 1006e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1007e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1008e126ba97SEli Cohen err = -ENOMEM; 1009e126ba97SEli Cohen goto err_wrid; 1010e126ba97SEli Cohen } 1011e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1012e126ba97SEli Cohen 1013e126ba97SEli Cohen return 0; 1014e126ba97SEli Cohen 1015e126ba97SEli Cohen err_wrid: 1016b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1017b5883008SLi Dongyang kvfree(qp->sq.w_list); 1018b5883008SLi Dongyang kvfree(qp->sq.wrid); 1019b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1020b5883008SLi Dongyang kvfree(qp->rq.wrid); 1021f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1022e126ba97SEli Cohen 1023e126ba97SEli Cohen err_free: 1024479163f4SAl Viro kvfree(*in); 1025e126ba97SEli Cohen 1026e126ba97SEli Cohen err_buf: 10279603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1028e126ba97SEli Cohen return err; 1029e126ba97SEli Cohen } 1030e126ba97SEli Cohen 1031e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1032e126ba97SEli Cohen { 1033b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1034b5883008SLi Dongyang kvfree(qp->sq.w_list); 1035b5883008SLi Dongyang kvfree(qp->sq.wrid); 1036b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1037b5883008SLi Dongyang kvfree(qp->rq.wrid); 1038f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 10399603b61dSJack Morgenstein mlx5_buf_free(dev->mdev, &qp->buf); 1040e126ba97SEli Cohen } 1041e126ba97SEli Cohen 104209a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1043e126ba97SEli Cohen { 1044e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1045c32a4f29SMoni Shoua (attr->qp_type == MLX5_IB_QPT_DCI) || 1046e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 104709a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1048e126ba97SEli Cohen else if (!qp->has_rq) 104909a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1050e126ba97SEli Cohen else 105109a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1052e126ba97SEli Cohen } 1053e126ba97SEli Cohen 1054e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1055e126ba97SEli Cohen { 1056e126ba97SEli Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) 1057e126ba97SEli Cohen return 1; 1058e126ba97SEli Cohen 1059e126ba97SEli Cohen return 0; 1060e126ba97SEli Cohen } 1061e126ba97SEli Cohen 10620fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1063c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 10640fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, u32 tdn) 10650fb2ed66Smajd@mellanox.com { 1066c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 10670fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 10680fb2ed66Smajd@mellanox.com 10690fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1070c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1071c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1072c2e53b2cSYishai Hadas 10730fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 10740fb2ed66Smajd@mellanox.com } 10750fb2ed66Smajd@mellanox.com 10760fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 10770fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 10780fb2ed66Smajd@mellanox.com { 10790fb2ed66Smajd@mellanox.com mlx5_core_destroy_tis(dev->mdev, sq->tisn); 10800fb2ed66Smajd@mellanox.com } 10810fb2ed66Smajd@mellanox.com 1082b96c9ddeSMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_dev *dev, 1083b96c9ddeSMark Bloch struct mlx5_ib_sq *sq) 1084b96c9ddeSMark Bloch { 1085b96c9ddeSMark Bloch if (sq->flow_rule) 1086b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1087b96c9ddeSMark Bloch } 1088b96c9ddeSMark Bloch 10890fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 10900fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 10910fb2ed66Smajd@mellanox.com struct ib_pd *pd) 10920fb2ed66Smajd@mellanox.com { 10930fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 10940fb2ed66Smajd@mellanox.com __be64 *pas; 10950fb2ed66Smajd@mellanox.com void *in; 10960fb2ed66Smajd@mellanox.com void *sqc; 10970fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 10980fb2ed66Smajd@mellanox.com void *wq; 10990fb2ed66Smajd@mellanox.com int inlen; 11000fb2ed66Smajd@mellanox.com int err; 11010fb2ed66Smajd@mellanox.com int page_shift = 0; 11020fb2ed66Smajd@mellanox.com int npages; 11030fb2ed66Smajd@mellanox.com int ncont = 0; 11040fb2ed66Smajd@mellanox.com u32 offset = 0; 11050fb2ed66Smajd@mellanox.com 11060fb2ed66Smajd@mellanox.com err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, 11070fb2ed66Smajd@mellanox.com &sq->ubuffer.umem, &npages, &page_shift, 11080fb2ed66Smajd@mellanox.com &ncont, &offset); 11090fb2ed66Smajd@mellanox.com if (err) 11100fb2ed66Smajd@mellanox.com return err; 11110fb2ed66Smajd@mellanox.com 11120fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 11131b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 11140fb2ed66Smajd@mellanox.com if (!in) { 11150fb2ed66Smajd@mellanox.com err = -ENOMEM; 11160fb2ed66Smajd@mellanox.com goto err_umem; 11170fb2ed66Smajd@mellanox.com } 11180fb2ed66Smajd@mellanox.com 1119c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 11200fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 11210fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1122795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1123795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 11240fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 11250fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 11260fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 11270fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 11280fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 112996dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 113096dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 113196dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 11320fb2ed66Smajd@mellanox.com 11330fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 11340fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 11350fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 11360fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 11370fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 11380fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 11390fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 11400fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 11410fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 11420fb2ed66Smajd@mellanox.com 11430fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 11440fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 11450fb2ed66Smajd@mellanox.com 11460fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 11470fb2ed66Smajd@mellanox.com 11480fb2ed66Smajd@mellanox.com kvfree(in); 11490fb2ed66Smajd@mellanox.com 11500fb2ed66Smajd@mellanox.com if (err) 11510fb2ed66Smajd@mellanox.com goto err_umem; 11520fb2ed66Smajd@mellanox.com 1153b96c9ddeSMark Bloch err = create_flow_rule_vport_sq(dev, sq); 1154b96c9ddeSMark Bloch if (err) 1155b96c9ddeSMark Bloch goto err_flow; 1156b96c9ddeSMark Bloch 11570fb2ed66Smajd@mellanox.com return 0; 11580fb2ed66Smajd@mellanox.com 1159b96c9ddeSMark Bloch err_flow: 1160b96c9ddeSMark Bloch mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 1161b96c9ddeSMark Bloch 11620fb2ed66Smajd@mellanox.com err_umem: 11630fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11640fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 11650fb2ed66Smajd@mellanox.com 11660fb2ed66Smajd@mellanox.com return err; 11670fb2ed66Smajd@mellanox.com } 11680fb2ed66Smajd@mellanox.com 11690fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 11700fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 11710fb2ed66Smajd@mellanox.com { 1172b96c9ddeSMark Bloch destroy_flow_rule_vport_sq(dev, sq); 11730fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 11740fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 11750fb2ed66Smajd@mellanox.com } 11760fb2ed66Smajd@mellanox.com 11772c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 11780fb2ed66Smajd@mellanox.com { 11790fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 11800fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 11810fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 11820fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 11830fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 11840fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 11850fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 11860fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 11870fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 11880fb2ed66Smajd@mellanox.com 11890fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 11900fb2ed66Smajd@mellanox.com } 11910fb2ed66Smajd@mellanox.com 11920fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 11932c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 119434d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 11950fb2ed66Smajd@mellanox.com { 1196358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 11970fb2ed66Smajd@mellanox.com __be64 *pas; 11980fb2ed66Smajd@mellanox.com __be64 *qp_pas; 11990fb2ed66Smajd@mellanox.com void *in; 12000fb2ed66Smajd@mellanox.com void *rqc; 12010fb2ed66Smajd@mellanox.com void *wq; 12020fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12032c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 12042c292dbbSBoris Pismenny size_t inlen; 12050fb2ed66Smajd@mellanox.com int err; 12062c292dbbSBoris Pismenny 12072c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 12082c292dbbSBoris Pismenny return -EINVAL; 12090fb2ed66Smajd@mellanox.com 12100fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 12111b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12120fb2ed66Smajd@mellanox.com if (!in) 12130fb2ed66Smajd@mellanox.com return -ENOMEM; 12140fb2ed66Smajd@mellanox.com 121534d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 12160fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1217e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 12180fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 12190fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 12200fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 12210fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 12220fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12230fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 12240fb2ed66Smajd@mellanox.com 1225358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1226358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1227358e42eaSMajd Dibbiny 12280fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 12290fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1230b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1231b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 12320fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 12330fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12340fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12350fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 12360fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 12370fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 12380fb2ed66Smajd@mellanox.com 12390fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12400fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 12410fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 12420fb2ed66Smajd@mellanox.com 12430fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 12440fb2ed66Smajd@mellanox.com 12450fb2ed66Smajd@mellanox.com kvfree(in); 12460fb2ed66Smajd@mellanox.com 12470fb2ed66Smajd@mellanox.com return err; 12480fb2ed66Smajd@mellanox.com } 12490fb2ed66Smajd@mellanox.com 12500fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 12510fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 12520fb2ed66Smajd@mellanox.com { 12530fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 12540fb2ed66Smajd@mellanox.com } 12550fb2ed66Smajd@mellanox.com 1256f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1257f95ef6cbSMaor Gottlieb { 1258f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1259f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1260f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1261f95ef6cbSMaor Gottlieb } 1262f95ef6cbSMaor Gottlieb 12630042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 12640042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1265443c1cf9SYishai Hadas u32 qp_flags_en, 1266443c1cf9SYishai Hadas struct ib_pd *pd) 12670042f9e4SMark Bloch { 12680042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 12690042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 12700042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1271443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 12720042f9e4SMark Bloch } 12730042f9e4SMark Bloch 12740fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1275f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1276443c1cf9SYishai Hadas u32 *qp_flags_en, 1277443c1cf9SYishai Hadas struct ib_pd *pd) 12780fb2ed66Smajd@mellanox.com { 1279175edba8SMark Bloch u8 lb_flag = 0; 12800fb2ed66Smajd@mellanox.com u32 *in; 12810fb2ed66Smajd@mellanox.com void *tirc; 12820fb2ed66Smajd@mellanox.com int inlen; 12830fb2ed66Smajd@mellanox.com int err; 12840fb2ed66Smajd@mellanox.com 12850fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 12861b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12870fb2ed66Smajd@mellanox.com if (!in) 12880fb2ed66Smajd@mellanox.com return -ENOMEM; 12890fb2ed66Smajd@mellanox.com 1290443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 12910fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 12920fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 12930fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 12940fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1295175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1296f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 12970fb2ed66Smajd@mellanox.com 1298175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1299175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1300175edba8SMark Bloch 1301175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1302175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1303175edba8SMark Bloch 1304175edba8SMark Bloch if (dev->rep) { 1305175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1306175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1307175edba8SMark Bloch } 1308175edba8SMark Bloch 1309175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1310ec9c2fb8SMark Bloch 13110fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 13120fb2ed66Smajd@mellanox.com 13130042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 13140042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 13150042f9e4SMark Bloch 13160042f9e4SMark Bloch if (err) 1317443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 13180042f9e4SMark Bloch } 13190fb2ed66Smajd@mellanox.com kvfree(in); 13200fb2ed66Smajd@mellanox.com 13210fb2ed66Smajd@mellanox.com return err; 13220fb2ed66Smajd@mellanox.com } 13230fb2ed66Smajd@mellanox.com 13240fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 13252c292dbbSBoris Pismenny u32 *in, size_t inlen, 13260fb2ed66Smajd@mellanox.com struct ib_pd *pd) 13270fb2ed66Smajd@mellanox.com { 13280fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13290fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13300fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13310fb2ed66Smajd@mellanox.com struct ib_uobject *uobj = pd->uobject; 13320fb2ed66Smajd@mellanox.com struct ib_ucontext *ucontext = uobj->context; 13330fb2ed66Smajd@mellanox.com struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 13340fb2ed66Smajd@mellanox.com int err; 13350fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 13360fb2ed66Smajd@mellanox.com 13370fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 1338c2e53b2cSYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn); 13390fb2ed66Smajd@mellanox.com if (err) 13400fb2ed66Smajd@mellanox.com return err; 13410fb2ed66Smajd@mellanox.com 13420fb2ed66Smajd@mellanox.com err = create_raw_packet_qp_sq(dev, sq, in, pd); 13430fb2ed66Smajd@mellanox.com if (err) 13440fb2ed66Smajd@mellanox.com goto err_destroy_tis; 13450fb2ed66Smajd@mellanox.com 13460fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 13471d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 13480fb2ed66Smajd@mellanox.com } 13490fb2ed66Smajd@mellanox.com 13500fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1351358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1352358e42eaSMajd Dibbiny 1353e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1354e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1355b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1356b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 135734d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 13580fb2ed66Smajd@mellanox.com if (err) 13590fb2ed66Smajd@mellanox.com goto err_destroy_sq; 13600fb2ed66Smajd@mellanox.com 1361443c1cf9SYishai Hadas err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd); 13620fb2ed66Smajd@mellanox.com if (err) 13630fb2ed66Smajd@mellanox.com goto err_destroy_rq; 13640fb2ed66Smajd@mellanox.com } 13650fb2ed66Smajd@mellanox.com 13660fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 13670fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 13680fb2ed66Smajd@mellanox.com 13690fb2ed66Smajd@mellanox.com return 0; 13700fb2ed66Smajd@mellanox.com 13710fb2ed66Smajd@mellanox.com err_destroy_rq: 13720fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13730fb2ed66Smajd@mellanox.com err_destroy_sq: 13740fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 13750fb2ed66Smajd@mellanox.com return err; 13760fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13770fb2ed66Smajd@mellanox.com err_destroy_tis: 13780fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13790fb2ed66Smajd@mellanox.com 13800fb2ed66Smajd@mellanox.com return err; 13810fb2ed66Smajd@mellanox.com } 13820fb2ed66Smajd@mellanox.com 13830fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 13840fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 13850fb2ed66Smajd@mellanox.com { 13860fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 13870fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 13880fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 13890fb2ed66Smajd@mellanox.com 13900fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1391443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 13920fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 13930fb2ed66Smajd@mellanox.com } 13940fb2ed66Smajd@mellanox.com 13950fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 13960fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 13970fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_tis(dev, sq); 13980fb2ed66Smajd@mellanox.com } 13990fb2ed66Smajd@mellanox.com } 14000fb2ed66Smajd@mellanox.com 14010fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 14020fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 14030fb2ed66Smajd@mellanox.com { 14040fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14050fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 14060fb2ed66Smajd@mellanox.com 14070fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 14080fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 14090fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 14100fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 14110fb2ed66Smajd@mellanox.com } 14120fb2ed66Smajd@mellanox.com 141328d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 141428d61370SYishai Hadas { 14150042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 14160042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 14170042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1418443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1419443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 142028d61370SYishai Hadas } 142128d61370SYishai Hadas 142228d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 142328d61370SYishai Hadas struct ib_pd *pd, 142428d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 142528d61370SYishai Hadas struct ib_udata *udata) 142628d61370SYishai Hadas { 142728d61370SYishai Hadas struct ib_uobject *uobj = pd->uobject; 142828d61370SYishai Hadas struct ib_ucontext *ucontext = uobj->context; 142928d61370SYishai Hadas struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); 143028d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 143128d61370SYishai Hadas int inlen; 143228d61370SYishai Hadas int err; 143328d61370SYishai Hadas u32 *in; 143428d61370SYishai Hadas void *tirc; 143528d61370SYishai Hadas void *hfso; 143628d61370SYishai Hadas u32 selected_fields = 0; 14372d93fc85SMatan Barak u32 outer_l4; 143828d61370SYishai Hadas size_t min_resp_len; 143928d61370SYishai Hadas u32 tdn = mucontext->tdn; 144028d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 144128d61370SYishai Hadas size_t required_cmd_sz; 1442175edba8SMark Bloch u8 lb_flag = 0; 144328d61370SYishai Hadas 144428d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 144528d61370SYishai Hadas return -EOPNOTSUPP; 144628d61370SYishai Hadas 144728d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 144828d61370SYishai Hadas return -EINVAL; 144928d61370SYishai Hadas 14502f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 145128d61370SYishai Hadas if (udata->outlen < min_resp_len) 145228d61370SYishai Hadas return -EINVAL; 145328d61370SYishai Hadas 1454f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 145528d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 145628d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 145728d61370SYishai Hadas return -EINVAL; 145828d61370SYishai Hadas } 145928d61370SYishai Hadas 146028d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 146128d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 146228d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 146328d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 146428d61370SYishai Hadas return -EOPNOTSUPP; 146528d61370SYishai Hadas } 146628d61370SYishai Hadas 146728d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 146828d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 146928d61370SYishai Hadas return -EFAULT; 147028d61370SYishai Hadas } 147128d61370SYishai Hadas 147228d61370SYishai Hadas if (ucmd.comp_mask) { 147328d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 147428d61370SYishai Hadas return -EOPNOTSUPP; 147528d61370SYishai Hadas } 147628d61370SYishai Hadas 1477175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1478175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1479175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1480f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1481f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1482f95ef6cbSMaor Gottlieb } 1483f95ef6cbSMaor Gottlieb 1484f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1485f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1486f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 148728d61370SYishai Hadas return -EOPNOTSUPP; 148828d61370SYishai Hadas } 148928d61370SYishai Hadas 1490309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1491309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1492309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1493309fa347SMaor Gottlieb return -EOPNOTSUPP; 1494309fa347SMaor Gottlieb } 1495309fa347SMaor Gottlieb 1496175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->rep) { 1497175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1498175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1499175edba8SMark Bloch } 1500175edba8SMark Bloch 1501175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1502175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1503175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1504175edba8SMark Bloch } 1505175edba8SMark Bloch 150641d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 150728d61370SYishai Hadas if (err) { 150828d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 150928d61370SYishai Hadas return -EINVAL; 151028d61370SYishai Hadas } 151128d61370SYishai Hadas 151228d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 15131b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 151428d61370SYishai Hadas if (!in) 151528d61370SYishai Hadas return -ENOMEM; 151628d61370SYishai Hadas 1517443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 151828d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 151928d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 152028d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 152128d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 152228d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 152328d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 152428d61370SYishai Hadas 152528d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1526f95ef6cbSMaor Gottlieb 1527f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1528f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1529f95ef6cbSMaor Gottlieb 1530175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1531175edba8SMark Bloch 1532309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1533309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1534309fa347SMaor Gottlieb else 1535309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1536309fa347SMaor Gottlieb 153728d61370SYishai Hadas switch (ucmd.rx_hash_function) { 153828d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 153928d61370SYishai Hadas { 154028d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 154128d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 154228d61370SYishai Hadas 154328d61370SYishai Hadas if (len != ucmd.rx_key_len) { 154428d61370SYishai Hadas err = -EINVAL; 154528d61370SYishai Hadas goto err; 154628d61370SYishai Hadas } 154728d61370SYishai Hadas 154828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 154928d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 155028d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 155128d61370SYishai Hadas break; 155228d61370SYishai Hadas } 155328d61370SYishai Hadas default: 155428d61370SYishai Hadas err = -EOPNOTSUPP; 155528d61370SYishai Hadas goto err; 155628d61370SYishai Hadas } 155728d61370SYishai Hadas 155828d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 155928d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 156028d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 156128d61370SYishai Hadas goto create_tir; 156228d61370SYishai Hadas err = -EINVAL; 156328d61370SYishai Hadas goto err; 156428d61370SYishai Hadas } 156528d61370SYishai Hadas 156628d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 156728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 156828d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 156928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 157028d61370SYishai Hadas err = -EINVAL; 157128d61370SYishai Hadas goto err; 157228d61370SYishai Hadas } 157328d61370SYishai Hadas 157428d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 157528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 157628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 157728d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 157828d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 157928d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 158028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 158128d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 158228d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 158328d61370SYishai Hadas 15842d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 15852d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 158628d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 15872d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 15882d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 15892d93fc85SMatan Barak 15902d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 15912d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 159228d61370SYishai Hadas err = -EINVAL; 159328d61370SYishai Hadas goto err; 159428d61370SYishai Hadas } 159528d61370SYishai Hadas 159628d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 159728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 159828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 159928d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 160028d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 160128d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 160228d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 160328d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 160428d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 160528d61370SYishai Hadas 160628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 160728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 160828d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 160928d61370SYishai Hadas 161028d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 161128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 161228d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 161328d61370SYishai Hadas 161428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 161528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 161628d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 161728d61370SYishai Hadas 161828d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 161928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 162028d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 162128d61370SYishai Hadas 16222d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 16232d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 16242d93fc85SMatan Barak 162528d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 162628d61370SYishai Hadas 162728d61370SYishai Hadas create_tir: 162828d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 162928d61370SYishai Hadas 16300042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 16310042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 16320042f9e4SMark Bloch 16330042f9e4SMark Bloch if (err) 1634443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1635443c1cf9SYishai Hadas to_mpd(pd)->uid); 16360042f9e4SMark Bloch } 16370042f9e4SMark Bloch 163828d61370SYishai Hadas if (err) 163928d61370SYishai Hadas goto err; 164028d61370SYishai Hadas 164128d61370SYishai Hadas kvfree(in); 164228d61370SYishai Hadas /* qpn is reserved for that QP */ 164328d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1644d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 164528d61370SYishai Hadas return 0; 164628d61370SYishai Hadas 164728d61370SYishai Hadas err: 164828d61370SYishai Hadas kvfree(in); 164928d61370SYishai Hadas return err; 165028d61370SYishai Hadas } 165128d61370SYishai Hadas 1652e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1653e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1654e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1655e126ba97SEli Cohen { 1656e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 165709a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1658938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 16590625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 166089ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 166189ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 166289ea94a7SMaor Gottlieb unsigned long flags; 1663cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 166409a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 166509a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1666e7b169f3SNoa Osherovich int mlx5_st; 1667cfb5e088SHaggai Abramovsky void *qpc; 166809a7d9ecSSaeed Mahameed u32 *in; 166909a7d9ecSSaeed Mahameed int err; 1670e126ba97SEli Cohen 1671e126ba97SEli Cohen mutex_init(&qp->mutex); 1672e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1673e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1674e126ba97SEli Cohen 1675e7b169f3SNoa Osherovich mlx5_st = to_mlx5_st(init_attr->qp_type); 1676e7b169f3SNoa Osherovich if (mlx5_st < 0) 1677e7b169f3SNoa Osherovich return -EINVAL; 1678e7b169f3SNoa Osherovich 167928d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 168028d61370SYishai Hadas if (!udata) 168128d61370SYishai Hadas return -ENOSYS; 168228d61370SYishai Hadas 168328d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 168428d61370SYishai Hadas return err; 168528d61370SYishai Hadas } 168628d61370SYishai Hadas 1687f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1688938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1689f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1690f360d88aSEli Cohen return -EINVAL; 1691f360d88aSEli Cohen } else { 1692f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1693f360d88aSEli Cohen } 1694f360d88aSEli Cohen } 1695f360d88aSEli Cohen 1696051f2630SLeon Romanovsky if (init_attr->create_flags & 1697051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1698051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1699051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1700051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1701051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1702051f2630SLeon Romanovsky return -EINVAL; 1703051f2630SLeon Romanovsky } 1704051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1705051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1706051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1707051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1708051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1709051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1710051f2630SLeon Romanovsky } 1711f0313965SErez Shitrit 1712f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1713f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1714f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1715f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1716f0313965SErez Shitrit return -EOPNOTSUPP; 1717f0313965SErez Shitrit } 1718f0313965SErez Shitrit 1719358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1720358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1721358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1722358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1723358e42eaSMajd Dibbiny } 1724358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1725358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1726358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1727358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1728358e42eaSMajd Dibbiny } 1729358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1730358e42eaSMajd Dibbiny } 1731358e42eaSMajd Dibbiny 1732e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1733e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1734e126ba97SEli Cohen 1735e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1736e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1737e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 1738e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 1739e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 1740e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 1741e4cc4fa7SNoa Osherovich } 1742e4cc4fa7SNoa Osherovich 1743e126ba97SEli Cohen if (pd && pd->uobject) { 1744e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 1745e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 1746e126ba97SEli Cohen return -EFAULT; 1747e126ba97SEli Cohen } 1748e126ba97SEli Cohen 1749cfb5e088SHaggai Abramovsky err = get_qp_user_index(to_mucontext(pd->uobject->context), 1750cfb5e088SHaggai Abramovsky &ucmd, udata->inlen, &uidx); 1751cfb5e088SHaggai Abramovsky if (err) 1752cfb5e088SHaggai Abramovsky return err; 1753cfb5e088SHaggai Abramovsky 1754e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 1755e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 1756f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 1757f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 1758f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 1759f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 1760f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1761f95ef6cbSMaor Gottlieb } 1762175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 1763175edba8SMark Bloch } 1764175edba8SMark Bloch 1765175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 1766175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1767175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 1768175edba8SMark Bloch return -EOPNOTSUPP; 1769175edba8SMark Bloch } 1770175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1771175edba8SMark Bloch } 1772175edba8SMark Bloch 1773175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1774175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1775175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 1776175edba8SMark Bloch return -EOPNOTSUPP; 1777175edba8SMark Bloch } 1778175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1779f95ef6cbSMaor Gottlieb } 1780c2e53b2cSYishai Hadas 1781c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 1782c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 1783c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 1784c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 1785c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 1786c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 1787c2e53b2cSYishai Hadas return -EOPNOTSUPP; 1788c2e53b2cSYishai Hadas } 1789c2e53b2cSYishai Hadas 1790c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 1791c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 1792c2e53b2cSYishai Hadas } 1793e126ba97SEli Cohen } else { 1794e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 1795e126ba97SEli Cohen } 1796e126ba97SEli Cohen 1797c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 1798c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 1799c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 1800c2e53b2cSYishai Hadas &qp->trans_qp.base; 1801c2e53b2cSYishai Hadas 1802e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 1803e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 1804e126ba97SEli Cohen qp, (pd && pd->uobject) ? &ucmd : NULL); 1805e126ba97SEli Cohen if (err) { 1806e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1807e126ba97SEli Cohen return err; 1808e126ba97SEli Cohen } 1809e126ba97SEli Cohen 1810e126ba97SEli Cohen if (pd) { 1811e126ba97SEli Cohen if (pd->uobject) { 1812938fe83cSSaeed Mahameed __u32 max_wqes = 1813938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 1814e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 1815e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 1816e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 1817e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 1818e126ba97SEli Cohen return -EINVAL; 1819e126ba97SEli Cohen } 1820938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 1821e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 1822938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 1823e126ba97SEli Cohen return -EINVAL; 1824e126ba97SEli Cohen } 1825b11a4f9cSHaggai Eran if (init_attr->create_flags & 1826b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 1827b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 1828b11a4f9cSHaggai Eran return -EINVAL; 1829b11a4f9cSHaggai Eran } 18300fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 18310fb2ed66Smajd@mellanox.com &resp, &inlen, base); 1832e126ba97SEli Cohen if (err) 1833e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1834e126ba97SEli Cohen } else { 183519098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 183619098df2Smajd@mellanox.com base); 1837e126ba97SEli Cohen if (err) 1838e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1839e126ba97SEli Cohen } 1840e126ba97SEli Cohen 1841e126ba97SEli Cohen if (err) 1842e126ba97SEli Cohen return err; 1843e126ba97SEli Cohen } else { 18441b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 1845e126ba97SEli Cohen if (!in) 1846e126ba97SEli Cohen return -ENOMEM; 1847e126ba97SEli Cohen 1848e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 1849e126ba97SEli Cohen } 1850e126ba97SEli Cohen 1851e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 1852e126ba97SEli Cohen qp->port = init_attr->port_num; 1853e126ba97SEli Cohen 185409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 185509a7d9ecSSaeed Mahameed 1856e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 185709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 1858e126ba97SEli Cohen 1859e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 186009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 1861e126ba97SEli Cohen else 186209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 186309a7d9ecSSaeed Mahameed 1864e126ba97SEli Cohen 1865e126ba97SEli Cohen if (qp->wq_sig) 186609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 1867e126ba97SEli Cohen 1868f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 186909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 1870f360d88aSEli Cohen 1871051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 187209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 1873051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 187409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 1875051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 187609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 1877051f2630SLeon Romanovsky 1878e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 1879e126ba97SEli Cohen int rcqe_sz; 1880e126ba97SEli Cohen int scqe_sz; 1881e126ba97SEli Cohen 1882e126ba97SEli Cohen rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); 1883e126ba97SEli Cohen scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); 1884e126ba97SEli Cohen 1885e126ba97SEli Cohen if (rcqe_sz == 128) 188609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 1887e126ba97SEli Cohen else 188809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 1889e126ba97SEli Cohen 1890e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { 1891e126ba97SEli Cohen if (scqe_sz == 128) 189209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 1893e126ba97SEli Cohen else 189409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 1895e126ba97SEli Cohen } 1896e126ba97SEli Cohen } 1897e126ba97SEli Cohen 1898e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 189909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 190009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 1901e126ba97SEli Cohen } 1902e126ba97SEli Cohen 190309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 1904e126ba97SEli Cohen 19053fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 190609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 19073fd3307eSArtemy Kovalyov } else { 190809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 19093fd3307eSArtemy Kovalyov if (init_attr->srq && 19103fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 19113fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 19123fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 19133fd3307eSArtemy Kovalyov } 1914e126ba97SEli Cohen 1915e126ba97SEli Cohen /* Set default resources */ 1916e126ba97SEli Cohen switch (init_attr->qp_type) { 1917e126ba97SEli Cohen case IB_QPT_XRC_TGT: 191809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 191909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 192009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 192109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 1922e126ba97SEli Cohen break; 1923e126ba97SEli Cohen case IB_QPT_XRC_INI: 192409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 192509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 192609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 1927e126ba97SEli Cohen break; 1928e126ba97SEli Cohen default: 1929e126ba97SEli Cohen if (init_attr->srq) { 193009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 193109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 1932e126ba97SEli Cohen } else { 193309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 193409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 1935e126ba97SEli Cohen } 1936e126ba97SEli Cohen } 1937e126ba97SEli Cohen 1938e126ba97SEli Cohen if (init_attr->send_cq) 193909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 1940e126ba97SEli Cohen 1941e126ba97SEli Cohen if (init_attr->recv_cq) 194209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 1943e126ba97SEli Cohen 194409a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 1945e126ba97SEli Cohen 1946cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 194709a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 1948cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 194909a7d9ecSSaeed Mahameed 1950f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 1951f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1952f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 1953f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 1954f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 1955f0313965SErez Shitrit } 1956cfb5e088SHaggai Abramovsky 1957b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 1958b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 1959b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 1960b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 1961b1383aa6SNoa Osherovich goto err; 1962b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1963b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 1964b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 1965b1383aa6SNoa Osherovich } else { 1966b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 1967b1383aa6SNoa Osherovich } 1968b1383aa6SNoa Osherovich } 1969b1383aa6SNoa Osherovich 19702c292dbbSBoris Pismenny if (inlen < 0) { 19712c292dbbSBoris Pismenny err = -EINVAL; 19722c292dbbSBoris Pismenny goto err; 19732c292dbbSBoris Pismenny } 19742c292dbbSBoris Pismenny 1975c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 1976c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 19770fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 19780fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 19792c292dbbSBoris Pismenny err = create_raw_packet_qp(dev, qp, in, inlen, pd); 19800fb2ed66Smajd@mellanox.com } else { 198119098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 19820fb2ed66Smajd@mellanox.com } 19830fb2ed66Smajd@mellanox.com 1984e126ba97SEli Cohen if (err) { 1985e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 1986e126ba97SEli Cohen goto err_create; 1987e126ba97SEli Cohen } 1988e126ba97SEli Cohen 1989479163f4SAl Viro kvfree(in); 1990e126ba97SEli Cohen 199119098df2Smajd@mellanox.com base->container_mibqp = qp; 199219098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 1993e126ba97SEli Cohen 199489ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 199589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 199689ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 199789ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 199889ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 199989ea94a7SMaor Gottlieb * flow 200089ea94a7SMaor Gottlieb */ 200189ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 200289ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 200389ea94a7SMaor Gottlieb */ 200489ea94a7SMaor Gottlieb if (send_cq) 200589ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 200689ea94a7SMaor Gottlieb if (recv_cq) 200789ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 200889ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 200989ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 201089ea94a7SMaor Gottlieb 2011e126ba97SEli Cohen return 0; 2012e126ba97SEli Cohen 2013e126ba97SEli Cohen err_create: 2014e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2015b037c29aSEli Cohen destroy_qp_user(dev, pd, qp, base); 2016e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2017e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2018e126ba97SEli Cohen 2019b1383aa6SNoa Osherovich err: 2020479163f4SAl Viro kvfree(in); 2021e126ba97SEli Cohen return err; 2022e126ba97SEli Cohen } 2023e126ba97SEli Cohen 2024e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2025e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2026e126ba97SEli Cohen { 2027e126ba97SEli Cohen if (send_cq) { 2028e126ba97SEli Cohen if (recv_cq) { 2029e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 203089ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2031e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2032e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2033e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 203489ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2035e126ba97SEli Cohen __acquire(&recv_cq->lock); 2036e126ba97SEli Cohen } else { 203789ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2038e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2039e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2040e126ba97SEli Cohen } 2041e126ba97SEli Cohen } else { 204289ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 20436a4f139aSEli Cohen __acquire(&recv_cq->lock); 2044e126ba97SEli Cohen } 2045e126ba97SEli Cohen } else if (recv_cq) { 204689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 20476a4f139aSEli Cohen __acquire(&send_cq->lock); 20486a4f139aSEli Cohen } else { 20496a4f139aSEli Cohen __acquire(&send_cq->lock); 20506a4f139aSEli Cohen __acquire(&recv_cq->lock); 2051e126ba97SEli Cohen } 2052e126ba97SEli Cohen } 2053e126ba97SEli Cohen 2054e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2055e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2056e126ba97SEli Cohen { 2057e126ba97SEli Cohen if (send_cq) { 2058e126ba97SEli Cohen if (recv_cq) { 2059e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2060e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 206189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2062e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2063e126ba97SEli Cohen __release(&recv_cq->lock); 206489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2065e126ba97SEli Cohen } else { 2066e126ba97SEli Cohen spin_unlock(&send_cq->lock); 206789ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2068e126ba97SEli Cohen } 2069e126ba97SEli Cohen } else { 20706a4f139aSEli Cohen __release(&recv_cq->lock); 207189ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2072e126ba97SEli Cohen } 2073e126ba97SEli Cohen } else if (recv_cq) { 20746a4f139aSEli Cohen __release(&send_cq->lock); 207589ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 20766a4f139aSEli Cohen } else { 20776a4f139aSEli Cohen __release(&recv_cq->lock); 20786a4f139aSEli Cohen __release(&send_cq->lock); 2079e126ba97SEli Cohen } 2080e126ba97SEli Cohen } 2081e126ba97SEli Cohen 2082e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2083e126ba97SEli Cohen { 2084e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2085e126ba97SEli Cohen } 2086e126ba97SEli Cohen 208789ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 208889ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2089e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2090e126ba97SEli Cohen { 209189ea94a7SMaor Gottlieb switch (qp_type) { 2092e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2093e126ba97SEli Cohen *send_cq = NULL; 2094e126ba97SEli Cohen *recv_cq = NULL; 2095e126ba97SEli Cohen break; 2096e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2097e126ba97SEli Cohen case IB_QPT_XRC_INI: 209889ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2099e126ba97SEli Cohen *recv_cq = NULL; 2100e126ba97SEli Cohen break; 2101e126ba97SEli Cohen 2102e126ba97SEli Cohen case IB_QPT_SMI: 2103d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2104e126ba97SEli Cohen case IB_QPT_RC: 2105e126ba97SEli Cohen case IB_QPT_UC: 2106e126ba97SEli Cohen case IB_QPT_UD: 2107e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2108e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 21090fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 211089ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 211189ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2112e126ba97SEli Cohen break; 2113e126ba97SEli Cohen 2114e126ba97SEli Cohen case IB_QPT_MAX: 2115e126ba97SEli Cohen default: 2116e126ba97SEli Cohen *send_cq = NULL; 2117e126ba97SEli Cohen *recv_cq = NULL; 2118e126ba97SEli Cohen break; 2119e126ba97SEli Cohen } 2120e126ba97SEli Cohen } 2121e126ba97SEli Cohen 2122ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 212313eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 212413eab21fSAviv Heller u8 lag_tx_affinity); 2125ad5f8e96Smajd@mellanox.com 2126e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 2127e126ba97SEli Cohen { 2128e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2129c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 213089ea94a7SMaor Gottlieb unsigned long flags; 2131e126ba97SEli Cohen int err; 2132e126ba97SEli Cohen 213328d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 213428d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 213528d61370SYishai Hadas return; 213628d61370SYishai Hadas } 213728d61370SYishai Hadas 2138c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2139c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 21400fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 21410fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 21420fb2ed66Smajd@mellanox.com 21436aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2144c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2145c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2146ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 21471a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 21481a412fb1SSaeed Mahameed NULL, &base->mqp); 2149ad5f8e96Smajd@mellanox.com } else { 21500680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 21510680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 21520680efa2SAlex Vesker }; 21530680efa2SAlex Vesker 215413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2155ad5f8e96Smajd@mellanox.com } 2156ad5f8e96Smajd@mellanox.com if (err) 2157427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 215819098df2Smajd@mellanox.com base->mqp.qpn); 21596aec21f6SHaggai Eran } 2160e126ba97SEli Cohen 216189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 216289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 216389ea94a7SMaor Gottlieb 216489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 216589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 216689ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 216789ea94a7SMaor Gottlieb list_del(&qp->qps_list); 216889ea94a7SMaor Gottlieb if (send_cq) 216989ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 217089ea94a7SMaor Gottlieb 217189ea94a7SMaor Gottlieb if (recv_cq) 217289ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2173e126ba97SEli Cohen 2174e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 217519098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2176e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2177e126ba97SEli Cohen if (send_cq != recv_cq) 217819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 217919098df2Smajd@mellanox.com NULL); 2180e126ba97SEli Cohen } 218189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 218289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2183e126ba97SEli Cohen 2184c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2185c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 21860fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 21870fb2ed66Smajd@mellanox.com } else { 218819098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2189e126ba97SEli Cohen if (err) 21900fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 21910fb2ed66Smajd@mellanox.com base->mqp.qpn); 21920fb2ed66Smajd@mellanox.com } 2193e126ba97SEli Cohen 2194e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2195e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2196e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2197b037c29aSEli Cohen destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); 2198e126ba97SEli Cohen } 2199e126ba97SEli Cohen 2200e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2201e126ba97SEli Cohen { 2202e126ba97SEli Cohen switch (type) { 2203e126ba97SEli Cohen case IB_QPT_SMI: 2204e126ba97SEli Cohen return "IB_QPT_SMI"; 2205e126ba97SEli Cohen case IB_QPT_GSI: 2206e126ba97SEli Cohen return "IB_QPT_GSI"; 2207e126ba97SEli Cohen case IB_QPT_RC: 2208e126ba97SEli Cohen return "IB_QPT_RC"; 2209e126ba97SEli Cohen case IB_QPT_UC: 2210e126ba97SEli Cohen return "IB_QPT_UC"; 2211e126ba97SEli Cohen case IB_QPT_UD: 2212e126ba97SEli Cohen return "IB_QPT_UD"; 2213e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2214e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2215e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2216e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2217e126ba97SEli Cohen case IB_QPT_XRC_INI: 2218e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2219e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2220e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2221e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2222e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2223e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2224e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2225b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2226b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2227e126ba97SEli Cohen case IB_QPT_MAX: 2228e126ba97SEli Cohen default: 2229e126ba97SEli Cohen return "Invalid QP type"; 2230e126ba97SEli Cohen } 2231e126ba97SEli Cohen } 2232e126ba97SEli Cohen 2233b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2234b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 2235b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd) 2236b4aaa1f0SMoni Shoua { 2237b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2238b4aaa1f0SMoni Shoua int err = 0; 2239b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2240b4aaa1f0SMoni Shoua void *dctc; 2241b4aaa1f0SMoni Shoua 2242b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2243b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2244b4aaa1f0SMoni Shoua 2245b4aaa1f0SMoni Shoua err = get_qp_user_index(to_mucontext(pd->uobject->context), 2246b4aaa1f0SMoni Shoua ucmd, sizeof(*ucmd), &uidx); 2247b4aaa1f0SMoni Shoua if (err) 2248b4aaa1f0SMoni Shoua return ERR_PTR(err); 2249b4aaa1f0SMoni Shoua 2250b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2251b4aaa1f0SMoni Shoua if (!qp) 2252b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2253b4aaa1f0SMoni Shoua 2254b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2255b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2256b4aaa1f0SMoni Shoua err = -ENOMEM; 2257b4aaa1f0SMoni Shoua goto err_free; 2258b4aaa1f0SMoni Shoua } 2259b4aaa1f0SMoni Shoua 2260a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2261b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2262776a3906SMoni Shoua qp->qp_sub_type = MLX5_IB_QPT_DCT; 2263b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2264b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2265b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2266b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2267b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2268b4aaa1f0SMoni Shoua 2269b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2270b4aaa1f0SMoni Shoua 2271b4aaa1f0SMoni Shoua return &qp->ibqp; 2272b4aaa1f0SMoni Shoua err_free: 2273b4aaa1f0SMoni Shoua kfree(qp); 2274b4aaa1f0SMoni Shoua return ERR_PTR(err); 2275b4aaa1f0SMoni Shoua } 2276b4aaa1f0SMoni Shoua 2277b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2278e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2279b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2280b4aaa1f0SMoni Shoua struct ib_udata *udata) 2281b4aaa1f0SMoni Shoua { 2282b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2283b4aaa1f0SMoni Shoua int err; 2284b4aaa1f0SMoni Shoua 2285b4aaa1f0SMoni Shoua if (!udata) 2286b4aaa1f0SMoni Shoua return -EINVAL; 2287b4aaa1f0SMoni Shoua 2288b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2289b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2290b4aaa1f0SMoni Shoua return -EINVAL; 2291b4aaa1f0SMoni Shoua } 2292b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2293b4aaa1f0SMoni Shoua if (err) 2294b4aaa1f0SMoni Shoua return err; 2295b4aaa1f0SMoni Shoua 2296b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2297b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2298b4aaa1f0SMoni Shoua } else { 2299b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2300b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2301b4aaa1f0SMoni Shoua } else { 2302b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2303b4aaa1f0SMoni Shoua return -EINVAL; 2304b4aaa1f0SMoni Shoua } 2305b4aaa1f0SMoni Shoua } 2306b4aaa1f0SMoni Shoua 2307b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2308b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2309b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2310b4aaa1f0SMoni Shoua } 2311b4aaa1f0SMoni Shoua 2312b4aaa1f0SMoni Shoua return 0; 2313b4aaa1f0SMoni Shoua } 2314b4aaa1f0SMoni Shoua 2315b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2316b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2317e126ba97SEli Cohen struct ib_udata *udata) 2318e126ba97SEli Cohen { 2319e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2320e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2321e126ba97SEli Cohen u16 xrcdn = 0; 2322e126ba97SEli Cohen int err; 2323b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2324b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 2325e126ba97SEli Cohen 2326e126ba97SEli Cohen if (pd) { 2327e126ba97SEli Cohen dev = to_mdev(pd->device); 23280fb2ed66Smajd@mellanox.com 23290fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 23300fb2ed66Smajd@mellanox.com if (!pd->uobject) { 23310fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 23320fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 23330fb2ed66Smajd@mellanox.com } else if (!to_mucontext(pd->uobject->context)->cqe_version) { 23340fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 23350fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 23360fb2ed66Smajd@mellanox.com } 23370fb2ed66Smajd@mellanox.com } 233809f16cf5SMajd Dibbiny } else { 233909f16cf5SMajd Dibbiny /* being cautious here */ 234009f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 234109f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 234209f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 234309f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 234409f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 234509f16cf5SMajd Dibbiny } 234609f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2347e126ba97SEli Cohen } 2348e126ba97SEli Cohen 2349b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2350b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2351b4aaa1f0SMoni Shoua 2352b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2353b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2354b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2355b4aaa1f0SMoni Shoua if (err) 2356b4aaa1f0SMoni Shoua return ERR_PTR(err); 2357c32a4f29SMoni Shoua 2358c32a4f29SMoni Shoua if (init_attr->qp_type == MLX5_IB_QPT_DCI) { 2359c32a4f29SMoni Shoua if (init_attr->cap.max_recv_wr || 2360c32a4f29SMoni Shoua init_attr->cap.max_recv_sge) { 2361c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); 2362c32a4f29SMoni Shoua return ERR_PTR(-EINVAL); 2363c32a4f29SMoni Shoua } 2364776a3906SMoni Shoua } else { 2365776a3906SMoni Shoua return mlx5_ib_create_dct(pd, init_attr, &ucmd); 2366c32a4f29SMoni Shoua } 2367b4aaa1f0SMoni Shoua } 2368b4aaa1f0SMoni Shoua 2369e126ba97SEli Cohen switch (init_attr->qp_type) { 2370e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2371e126ba97SEli Cohen case IB_QPT_XRC_INI: 2372938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2373e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2374e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2375e126ba97SEli Cohen } 2376e126ba97SEli Cohen init_attr->recv_cq = NULL; 2377e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2378e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2379e126ba97SEli Cohen init_attr->send_cq = NULL; 2380e126ba97SEli Cohen } 2381e126ba97SEli Cohen 2382e126ba97SEli Cohen /* fall through */ 23830fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2384e126ba97SEli Cohen case IB_QPT_RC: 2385e126ba97SEli Cohen case IB_QPT_UC: 2386e126ba97SEli Cohen case IB_QPT_UD: 2387e126ba97SEli Cohen case IB_QPT_SMI: 2388d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2389e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2390c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: 2391e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2392e126ba97SEli Cohen if (!qp) 2393e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2394e126ba97SEli Cohen 2395e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2396e126ba97SEli Cohen if (err) { 2397e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2398e126ba97SEli Cohen kfree(qp); 2399e126ba97SEli Cohen return ERR_PTR(err); 2400e126ba97SEli Cohen } 2401e126ba97SEli Cohen 2402e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2403e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2404e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2405e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2406e126ba97SEli Cohen else 240719098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2408e126ba97SEli Cohen 2409e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 241019098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2411a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2412a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2413e126ba97SEli Cohen 241419098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2415e126ba97SEli Cohen 2416e126ba97SEli Cohen break; 2417e126ba97SEli Cohen 2418d16e91daSHaggai Eran case IB_QPT_GSI: 2419d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2420d16e91daSHaggai Eran 2421e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2422e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2423e126ba97SEli Cohen case IB_QPT_MAX: 2424e126ba97SEli Cohen default: 2425e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2426e126ba97SEli Cohen init_attr->qp_type); 2427e126ba97SEli Cohen /* Don't support raw QPs */ 2428e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2429e126ba97SEli Cohen } 2430e126ba97SEli Cohen 2431b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2432b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2433b4aaa1f0SMoni Shoua 2434e126ba97SEli Cohen return &qp->ibqp; 2435e126ba97SEli Cohen } 2436e126ba97SEli Cohen 2437776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2438776a3906SMoni Shoua { 2439776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2440776a3906SMoni Shoua 2441776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2442776a3906SMoni Shoua int err; 2443776a3906SMoni Shoua 2444776a3906SMoni Shoua err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); 2445776a3906SMoni Shoua if (err) { 2446776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2447776a3906SMoni Shoua return err; 2448776a3906SMoni Shoua } 2449776a3906SMoni Shoua } 2450776a3906SMoni Shoua 2451776a3906SMoni Shoua kfree(mqp->dct.in); 2452776a3906SMoni Shoua kfree(mqp); 2453776a3906SMoni Shoua return 0; 2454776a3906SMoni Shoua } 2455776a3906SMoni Shoua 2456e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp) 2457e126ba97SEli Cohen { 2458e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2459e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2460e126ba97SEli Cohen 2461d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2462d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2463d16e91daSHaggai Eran 2464776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2465776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2466776a3906SMoni Shoua 2467e126ba97SEli Cohen destroy_qp_common(dev, mqp); 2468e126ba97SEli Cohen 2469e126ba97SEli Cohen kfree(mqp); 2470e126ba97SEli Cohen 2471e126ba97SEli Cohen return 0; 2472e126ba97SEli Cohen } 2473e126ba97SEli Cohen 2474e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, 2475e126ba97SEli Cohen int attr_mask) 2476e126ba97SEli Cohen { 2477e126ba97SEli Cohen u32 hw_access_flags = 0; 2478e126ba97SEli Cohen u8 dest_rd_atomic; 2479e126ba97SEli Cohen u32 access_flags; 2480e126ba97SEli Cohen 2481e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2482e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2483e126ba97SEli Cohen else 248419098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2485e126ba97SEli Cohen 2486e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2487e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2488e126ba97SEli Cohen else 248919098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2490e126ba97SEli Cohen 2491e126ba97SEli Cohen if (!dest_rd_atomic) 2492e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2493e126ba97SEli Cohen 2494e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2495e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RRE; 2496e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) 2497e126ba97SEli Cohen hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); 2498e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2499e126ba97SEli Cohen hw_access_flags |= MLX5_QP_BIT_RWE; 2500e126ba97SEli Cohen 2501e126ba97SEli Cohen return cpu_to_be32(hw_access_flags); 2502e126ba97SEli Cohen } 2503e126ba97SEli Cohen 2504e126ba97SEli Cohen enum { 2505e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2506e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2507e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2508e126ba97SEli Cohen }; 2509e126ba97SEli Cohen 2510e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2511e126ba97SEli Cohen { 25124f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2513e126ba97SEli Cohen return 0; 25144f32ac2eSDanit Goldberg 25154f32ac2eSDanit Goldberg if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) 2516e126ba97SEli Cohen return -EINVAL; 25174f32ac2eSDanit Goldberg 25184f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2519e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2520938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2521e126ba97SEli Cohen --rate; 2522e126ba97SEli Cohen 25234f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2524e126ba97SEli Cohen } 2525e126ba97SEli Cohen 252675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 252775850d0bSmajd@mellanox.com struct mlx5_ib_sq *sq, u8 sl) 252875850d0bSmajd@mellanox.com { 252975850d0bSmajd@mellanox.com void *in; 253075850d0bSmajd@mellanox.com void *tisc; 253175850d0bSmajd@mellanox.com int inlen; 253275850d0bSmajd@mellanox.com int err; 253375850d0bSmajd@mellanox.com 253475850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 25351b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 253675850d0bSmajd@mellanox.com if (!in) 253775850d0bSmajd@mellanox.com return -ENOMEM; 253875850d0bSmajd@mellanox.com 253975850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 254075850d0bSmajd@mellanox.com 254175850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 254275850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 254375850d0bSmajd@mellanox.com 254475850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 254575850d0bSmajd@mellanox.com 254675850d0bSmajd@mellanox.com kvfree(in); 254775850d0bSmajd@mellanox.com 254875850d0bSmajd@mellanox.com return err; 254975850d0bSmajd@mellanox.com } 255075850d0bSmajd@mellanox.com 255113eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 255213eab21fSAviv Heller struct mlx5_ib_sq *sq, u8 tx_affinity) 255313eab21fSAviv Heller { 255413eab21fSAviv Heller void *in; 255513eab21fSAviv Heller void *tisc; 255613eab21fSAviv Heller int inlen; 255713eab21fSAviv Heller int err; 255813eab21fSAviv Heller 255913eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 25601b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 256113eab21fSAviv Heller if (!in) 256213eab21fSAviv Heller return -ENOMEM; 256313eab21fSAviv Heller 256413eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 256513eab21fSAviv Heller 256613eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 256713eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 256813eab21fSAviv Heller 256913eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 257013eab21fSAviv Heller 257113eab21fSAviv Heller kvfree(in); 257213eab21fSAviv Heller 257313eab21fSAviv Heller return err; 257413eab21fSAviv Heller } 257513eab21fSAviv Heller 257675850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 257790898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2578e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2579f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2580f879ee8dSAchiad Shochat bool alt) 2581e126ba97SEli Cohen { 2582d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2583e126ba97SEli Cohen int err; 2584ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2585d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2586d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2587e126ba97SEli Cohen 2588e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2589f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2590f879ee8dSAchiad Shochat attr->pkey_index); 2591e126ba97SEli Cohen 2592d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2593d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2594938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2595f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2596d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2597938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2598f83b4263SEli Cohen return -EINVAL; 2599f83b4263SEli Cohen } 26002811ba51SAchiad Shochat } 260144c58487SDasaratharaman Chandramouli 260244c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2603d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 26042811ba51SAchiad Shochat return -EINVAL; 260547ec3866SParav Pandit 260644c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 26072b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 26082b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 26092b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 26102b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 261147ec3866SParav Pandit path->udp_sport = 261247ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 2613d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 261447ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 2615ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2616d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 26172811ba51SAchiad Shochat } else { 2618d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2619d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2620d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2621d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2622d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2623d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2624e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2625d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 26262811ba51SAchiad Shochat } 26272811ba51SAchiad Shochat 2628d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2629d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2630d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2631e126ba97SEli Cohen path->tclass_flowlabel = 2632d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2633d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2634d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2635e126ba97SEli Cohen } 2636e126ba97SEli Cohen 2637d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2638e126ba97SEli Cohen if (err < 0) 2639e126ba97SEli Cohen return err; 2640e126ba97SEli Cohen path->static_rate = err; 2641e126ba97SEli Cohen path->port = port; 2642e126ba97SEli Cohen 2643e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2644f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2645e126ba97SEli Cohen 264675850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 264775850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 264875850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 2649d8966fcdSDasaratharaman Chandramouli sl & 0xf); 265075850d0bSmajd@mellanox.com 2651e126ba97SEli Cohen return 0; 2652e126ba97SEli Cohen } 2653e126ba97SEli Cohen 2654e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2655e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2656e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2657e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2658e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2659e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2660e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2661e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2662e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2663e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2664e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2665e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2666e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2667e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2668e126ba97SEli Cohen }, 2669e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2670e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2671e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2672e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2673e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2674e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2675e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2676e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2677e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2678e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2679e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2680e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2681e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2682a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2683a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2684a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2685a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2686a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2687e126ba97SEli Cohen }, 2688e126ba97SEli Cohen }, 2689e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2690e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2691e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2692e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2693e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2694e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2695e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2696e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2697e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2698e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2699e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2700e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2701e126ba97SEli Cohen }, 2702e126ba97SEli Cohen }, 2703e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2704e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2705e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2706e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2707e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2708e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 2709c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2710c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2711e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2712c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2713c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 2714e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 2715e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 2716e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 2717e126ba97SEli Cohen }, 2718e126ba97SEli Cohen }, 2719e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 2720e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2721e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2722e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 272375959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 2724a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 2725a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2726a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2727a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 2728e126ba97SEli Cohen }, 2729e126ba97SEli Cohen }, 2730e126ba97SEli Cohen }; 2731e126ba97SEli Cohen 2732e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 2733e126ba97SEli Cohen { 2734e126ba97SEli Cohen switch (ib_mask) { 2735e126ba97SEli Cohen case IB_QP_STATE: 2736e126ba97SEli Cohen return 0; 2737e126ba97SEli Cohen case IB_QP_CUR_STATE: 2738e126ba97SEli Cohen return 0; 2739e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 2740e126ba97SEli Cohen return 0; 2741e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 2742e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 2743e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 2744e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 2745e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 2746e126ba97SEli Cohen case IB_QP_PORT: 2747e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 2748e126ba97SEli Cohen case IB_QP_QKEY: 2749e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 2750e126ba97SEli Cohen case IB_QP_AV: 2751e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 2752e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 2753e126ba97SEli Cohen case IB_QP_PATH_MTU: 2754e126ba97SEli Cohen return 0; 2755e126ba97SEli Cohen case IB_QP_TIMEOUT: 2756e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 2757e126ba97SEli Cohen case IB_QP_RETRY_CNT: 2758e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 2759e126ba97SEli Cohen case IB_QP_RNR_RETRY: 2760e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 2761e126ba97SEli Cohen case IB_QP_RQ_PSN: 2762e126ba97SEli Cohen return 0; 2763e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 2764e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 2765e126ba97SEli Cohen case IB_QP_ALT_PATH: 2766e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 2767e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 2768e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 2769e126ba97SEli Cohen case IB_QP_SQ_PSN: 2770e126ba97SEli Cohen return 0; 2771e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 2772e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 2773e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 2774e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 2775e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 2776e126ba97SEli Cohen case IB_QP_CAP: 2777e126ba97SEli Cohen return 0; 2778e126ba97SEli Cohen case IB_QP_DEST_QPN: 2779e126ba97SEli Cohen return 0; 2780e126ba97SEli Cohen } 2781e126ba97SEli Cohen return 0; 2782e126ba97SEli Cohen } 2783e126ba97SEli Cohen 2784e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 2785e126ba97SEli Cohen { 2786e126ba97SEli Cohen int result = 0; 2787e126ba97SEli Cohen int i; 2788e126ba97SEli Cohen 2789e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 2790e126ba97SEli Cohen if ((1 << i) & ib_mask) 2791e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 2792e126ba97SEli Cohen } 2793e126ba97SEli Cohen 2794e126ba97SEli Cohen return result; 2795e126ba97SEli Cohen } 2796e126ba97SEli Cohen 279734d57585SYishai Hadas static int modify_raw_packet_qp_rq( 279834d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 279934d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 2800ad5f8e96Smajd@mellanox.com { 2801ad5f8e96Smajd@mellanox.com void *in; 2802ad5f8e96Smajd@mellanox.com void *rqc; 2803ad5f8e96Smajd@mellanox.com int inlen; 2804ad5f8e96Smajd@mellanox.com int err; 2805ad5f8e96Smajd@mellanox.com 2806ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 28071b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2808ad5f8e96Smajd@mellanox.com if (!in) 2809ad5f8e96Smajd@mellanox.com return -ENOMEM; 2810ad5f8e96Smajd@mellanox.com 2811ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 281234d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 2813ad5f8e96Smajd@mellanox.com 2814ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 2815ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 2816ad5f8e96Smajd@mellanox.com 2817eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 2818eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 2819eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 282023a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 2821eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 2822eb49ab0cSAlex Vesker } else 2823eb49ab0cSAlex Vesker pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", 2824eb49ab0cSAlex Vesker dev->ib_dev.name); 2825eb49ab0cSAlex Vesker } 2826eb49ab0cSAlex Vesker 2827eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 2828ad5f8e96Smajd@mellanox.com if (err) 2829ad5f8e96Smajd@mellanox.com goto out; 2830ad5f8e96Smajd@mellanox.com 2831ad5f8e96Smajd@mellanox.com rq->state = new_state; 2832ad5f8e96Smajd@mellanox.com 2833ad5f8e96Smajd@mellanox.com out: 2834ad5f8e96Smajd@mellanox.com kvfree(in); 2835ad5f8e96Smajd@mellanox.com return err; 2836ad5f8e96Smajd@mellanox.com } 2837ad5f8e96Smajd@mellanox.com 2838c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 2839c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 2840c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 2841ad5f8e96Smajd@mellanox.com { 28427d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 284361147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 284461147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 284561147f39SBodong Wang bool new_rate_added = false; 28467d29f349SBodong Wang u16 rl_index = 0; 2847ad5f8e96Smajd@mellanox.com void *in; 2848ad5f8e96Smajd@mellanox.com void *sqc; 2849ad5f8e96Smajd@mellanox.com int inlen; 2850ad5f8e96Smajd@mellanox.com int err; 2851ad5f8e96Smajd@mellanox.com 2852ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 28531b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2854ad5f8e96Smajd@mellanox.com if (!in) 2855ad5f8e96Smajd@mellanox.com return -ENOMEM; 2856ad5f8e96Smajd@mellanox.com 2857c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 2858ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 2859ad5f8e96Smajd@mellanox.com 2860ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 2861ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 2862ad5f8e96Smajd@mellanox.com 28637d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 28647d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 28657d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 28667d29f349SBodong Wang __func__); 28677d29f349SBodong Wang else 286861147f39SBodong Wang new_rl = raw_qp_param->rl; 28697d29f349SBodong Wang } 2870ad5f8e96Smajd@mellanox.com 287161147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 287261147f39SBodong Wang if (new_rl.rate) { 287361147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 28747d29f349SBodong Wang if (err) { 287561147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 287661147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 287761147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 287861147f39SBodong Wang new_rl.typical_pkt_sz); 287961147f39SBodong Wang 28807d29f349SBodong Wang goto out; 28817d29f349SBodong Wang } 288261147f39SBodong Wang new_rate_added = true; 28837d29f349SBodong Wang } 28847d29f349SBodong Wang 28857d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 288661147f39SBodong Wang /* index 0 means no limit */ 28877d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 28887d29f349SBodong Wang } 28897d29f349SBodong Wang 28907d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 28917d29f349SBodong Wang if (err) { 28927d29f349SBodong Wang /* Remove new rate from table if failed */ 289361147f39SBodong Wang if (new_rate_added) 289461147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 28957d29f349SBodong Wang goto out; 28967d29f349SBodong Wang } 28977d29f349SBodong Wang 28987d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 289961147f39SBodong Wang if ((old_rl.rate && 290061147f39SBodong Wang !mlx5_rl_are_equal(&old_rl, &new_rl)) || 29017d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 290261147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 29037d29f349SBodong Wang 290461147f39SBodong Wang ibqp->rl = new_rl; 2905ad5f8e96Smajd@mellanox.com sq->state = new_state; 2906ad5f8e96Smajd@mellanox.com 2907ad5f8e96Smajd@mellanox.com out: 2908ad5f8e96Smajd@mellanox.com kvfree(in); 2909ad5f8e96Smajd@mellanox.com return err; 2910ad5f8e96Smajd@mellanox.com } 2911ad5f8e96Smajd@mellanox.com 2912ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 291313eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 291413eab21fSAviv Heller u8 tx_affinity) 2915ad5f8e96Smajd@mellanox.com { 2916ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 2917ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 2918ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 29197d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 29207d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 2921ad5f8e96Smajd@mellanox.com int rq_state; 2922ad5f8e96Smajd@mellanox.com int sq_state; 2923ad5f8e96Smajd@mellanox.com int err; 2924ad5f8e96Smajd@mellanox.com 29250680efa2SAlex Vesker switch (raw_qp_param->operation) { 2926ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 2927ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 2928ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 2929ad5f8e96Smajd@mellanox.com break; 2930ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 2931ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 2932ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 2933ad5f8e96Smajd@mellanox.com break; 2934ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 2935ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 2936ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 2937ad5f8e96Smajd@mellanox.com break; 2938ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 2939ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 29407d29f349SBodong Wang if (raw_qp_param->set_mask == 29417d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 29427d29f349SBodong Wang modify_rq = 0; 29437d29f349SBodong Wang sq_state = sq->state; 29447d29f349SBodong Wang } else { 29457d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 29467d29f349SBodong Wang } 29477d29f349SBodong Wang break; 29487d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 29497d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 2950eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 2951eb49ab0cSAlex Vesker return -EINVAL; 2952eb49ab0cSAlex Vesker else 2953ad5f8e96Smajd@mellanox.com return 0; 2954ad5f8e96Smajd@mellanox.com default: 2955ad5f8e96Smajd@mellanox.com WARN_ON(1); 2956ad5f8e96Smajd@mellanox.com return -EINVAL; 2957ad5f8e96Smajd@mellanox.com } 2958ad5f8e96Smajd@mellanox.com 29597d29f349SBodong Wang if (modify_rq) { 296034d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 296134d57585SYishai Hadas qp->ibqp.pd); 2962ad5f8e96Smajd@mellanox.com if (err) 2963ad5f8e96Smajd@mellanox.com return err; 2964ad5f8e96Smajd@mellanox.com } 2965ad5f8e96Smajd@mellanox.com 29667d29f349SBodong Wang if (modify_sq) { 296713eab21fSAviv Heller if (tx_affinity) { 296813eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 296913eab21fSAviv Heller tx_affinity); 297013eab21fSAviv Heller if (err) 297113eab21fSAviv Heller return err; 297213eab21fSAviv Heller } 297313eab21fSAviv Heller 2974c14003f0SYishai Hadas return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 2975c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 297613eab21fSAviv Heller } 2977ad5f8e96Smajd@mellanox.com 2978ad5f8e96Smajd@mellanox.com return 0; 2979ad5f8e96Smajd@mellanox.com } 2980ad5f8e96Smajd@mellanox.com 2981c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 2982c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 2983c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 2984c6a21c38SMajd Dibbiny u8 port_num) 2985c6a21c38SMajd Dibbiny { 2986c6a21c38SMajd Dibbiny struct mlx5_ib_ucontext *ucontext = NULL; 2987c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 2988c6a21c38SMajd Dibbiny 2989c6a21c38SMajd Dibbiny if (pd && pd->ibpd.uobject && pd->ibpd.uobject->context) 2990c6a21c38SMajd Dibbiny ucontext = to_mucontext(pd->ibpd.uobject->context); 2991c6a21c38SMajd Dibbiny 2992c6a21c38SMajd Dibbiny if (ucontext) { 2993c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 2994c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 2995c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 2996c6a21c38SMajd Dibbiny 1; 2997c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 2998c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 2999c6a21c38SMajd Dibbiny } else { 3000c6a21c38SMajd Dibbiny tx_port_affinity = 3001c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 3002c6a21c38SMajd Dibbiny 1, &dev->roce[port_num].tx_port_affinity) % 3003c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3004c6a21c38SMajd Dibbiny 1; 3005c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3006c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3007c6a21c38SMajd Dibbiny } 3008c6a21c38SMajd Dibbiny 3009c6a21c38SMajd Dibbiny return tx_port_affinity; 3010c6a21c38SMajd Dibbiny } 3011c6a21c38SMajd Dibbiny 3012e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3013e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 301461147f39SBodong Wang enum ib_qp_state cur_state, enum ib_qp_state new_state, 301561147f39SBodong Wang const struct mlx5_ib_modify_qp *ucmd) 3016e126ba97SEli Cohen { 3017427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3018427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3019427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3020427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3021427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3022427c1e7bSmajd@mellanox.com }, 3023427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3024427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3025427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3026427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3027427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3028427c1e7bSmajd@mellanox.com }, 3029427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3030427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3031427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3032427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3033427c1e7bSmajd@mellanox.com }, 3034427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3035427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3036427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3037427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3038427c1e7bSmajd@mellanox.com }, 3039427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3040427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3041427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3042427c1e7bSmajd@mellanox.com }, 3043427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3044427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3045427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3046427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3047427c1e7bSmajd@mellanox.com }, 3048427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3049427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3050427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3051427c1e7bSmajd@mellanox.com } 3052427c1e7bSmajd@mellanox.com }; 3053427c1e7bSmajd@mellanox.com 3054e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3055e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 305619098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3057e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3058e126ba97SEli Cohen struct mlx5_qp_context *context; 3059e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3060eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 3061e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3062e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3063e126ba97SEli Cohen int mlx5_st; 3064e126ba97SEli Cohen int err; 3065427c1e7bSmajd@mellanox.com u16 op; 306613eab21fSAviv Heller u8 tx_affinity = 0; 3067e126ba97SEli Cohen 306855de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 306955de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 307055de9a77SLeon Romanovsky if (mlx5_st < 0) 307155de9a77SLeon Romanovsky return -EINVAL; 307255de9a77SLeon Romanovsky 30731a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 30741a412fb1SSaeed Mahameed if (!context) 3075e126ba97SEli Cohen return -ENOMEM; 3076e126ba97SEli Cohen 3077c6a21c38SMajd Dibbiny pd = get_pd(qp); 307855de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3079e126ba97SEli Cohen 3080e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3081e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3082e126ba97SEli Cohen } else { 3083e126ba97SEli Cohen switch (attr->path_mig_state) { 3084e126ba97SEli Cohen case IB_MIG_MIGRATED: 3085e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3086e126ba97SEli Cohen break; 3087e126ba97SEli Cohen case IB_MIG_REARM: 3088e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3089e126ba97SEli Cohen break; 3090e126ba97SEli Cohen case IB_MIG_ARMED: 3091e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3092e126ba97SEli Cohen break; 3093e126ba97SEli Cohen } 3094e126ba97SEli Cohen } 3095e126ba97SEli Cohen 309613eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 309713eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 309813eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 309913eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 310013eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 310113eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 310213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 310313eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 310413eab21fSAviv Heller if (mlx5_lag_is_active(dev->mdev)) { 31057fd8aefbSDaniel Jurgens u8 p = mlx5_core_native_port_num(dev->mdev); 3106c6a21c38SMajd Dibbiny tx_affinity = get_tx_affinity(dev, pd, base, p); 310713eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 310813eab21fSAviv Heller } 310913eab21fSAviv Heller } 311013eab21fSAviv Heller } 311113eab21fSAviv Heller 3112d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3113e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3114c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 3115c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 3116e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3117e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3118e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3119e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3120e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3121e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3122e126ba97SEli Cohen err = -EINVAL; 3123e126ba97SEli Cohen goto out; 3124e126ba97SEli Cohen } 3125938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3126938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3127e126ba97SEli Cohen } 3128e126ba97SEli Cohen 3129e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3130e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3131e126ba97SEli Cohen 3132e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3133d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3134e126ba97SEli Cohen 3135e126ba97SEli Cohen /* todo implement counter_index functionality */ 3136e126ba97SEli Cohen 3137e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3138e126ba97SEli Cohen context->pri_path.port = qp->port; 3139e126ba97SEli Cohen 3140e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3141e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3142e126ba97SEli Cohen 3143e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 314475850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3145e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3146f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3147e126ba97SEli Cohen if (err) 3148e126ba97SEli Cohen goto out; 3149e126ba97SEli Cohen } 3150e126ba97SEli Cohen 3151e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3152e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3153e126ba97SEli Cohen 3154e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 315575850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 315675850d0bSmajd@mellanox.com &context->alt_path, 3157f879ee8dSAchiad Shochat attr->alt_port_num, 3158f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3159f879ee8dSAchiad Shochat 0, attr, true); 3160e126ba97SEli Cohen if (err) 3161e126ba97SEli Cohen goto out; 3162e126ba97SEli Cohen } 3163e126ba97SEli Cohen 316489ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 316589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3166e126ba97SEli Cohen 3167e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3168e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3169e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3170e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3171e126ba97SEli Cohen 3172e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3173e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3174e126ba97SEli Cohen 3175e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3176e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3177e126ba97SEli Cohen 3178e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3179e126ba97SEli Cohen if (attr->max_rd_atomic) 3180e126ba97SEli Cohen context->params1 |= 3181e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3182e126ba97SEli Cohen } 3183e126ba97SEli Cohen 3184e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3185e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3186e126ba97SEli Cohen 3187e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3188e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3189e126ba97SEli Cohen context->params2 |= 3190e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3191e126ba97SEli Cohen } 3192e126ba97SEli Cohen 3193e126ba97SEli Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) 3194e126ba97SEli Cohen context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); 3195e126ba97SEli Cohen 3196e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3197e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3198e126ba97SEli Cohen 3199e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3200e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3201e126ba97SEli Cohen 3202e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3203e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3204e126ba97SEli Cohen 3205e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3206e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3207e126ba97SEli Cohen 32080837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 32090837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 32100837e86aSMark Bloch qp->port) - 1; 3211c2e53b2cSYishai Hadas 3212c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3213c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3214c2e53b2cSYishai Hadas port_num = 0; 3215c2e53b2cSYishai Hadas 3216eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 32170837e86aSMark Bloch context->qp_counter_set_usr_page |= 3218e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 32190837e86aSMark Bloch } 32200837e86aSMark Bloch 3221e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3222e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3223e126ba97SEli Cohen 3224b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3225b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3226e126ba97SEli Cohen 3227e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3228e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3229e126ba97SEli Cohen 3230427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 32315d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 32325d414b17SDan Carpenter err = -EINVAL; 3233427c1e7bSmajd@mellanox.com goto out; 32345d414b17SDan Carpenter } 3235427c1e7bSmajd@mellanox.com 3236427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3237e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3238e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3239ad5f8e96Smajd@mellanox.com 3240c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3241c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 32420680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 32430680efa2SAlex Vesker 32440680efa2SAlex Vesker raw_qp_param.operation = op; 3245eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3246e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 3247eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3248eb49ab0cSAlex Vesker } 32497d29f349SBodong Wang 32507d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 325161147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 325261147f39SBodong Wang 325361147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 325461147f39SBodong Wang if (attr->rate_limit && 325561147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 325661147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 325761147f39SBodong Wang ucmd->burst_info.max_burst_sz; 325861147f39SBodong Wang } else { 325961147f39SBodong Wang err = -EINVAL; 326061147f39SBodong Wang goto out; 326161147f39SBodong Wang } 326261147f39SBodong Wang } 326361147f39SBodong Wang 326461147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 326561147f39SBodong Wang if (attr->rate_limit && 326661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 326761147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 326861147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 326961147f39SBodong Wang } else { 327061147f39SBodong Wang err = -EINVAL; 327161147f39SBodong Wang goto out; 327261147f39SBodong Wang } 327361147f39SBodong Wang } 327461147f39SBodong Wang 32757d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 32767d29f349SBodong Wang } 32777d29f349SBodong Wang 327813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 32790680efa2SAlex Vesker } else { 32801a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 328119098df2Smajd@mellanox.com &base->mqp); 32820680efa2SAlex Vesker } 32830680efa2SAlex Vesker 3284e126ba97SEli Cohen if (err) 3285e126ba97SEli Cohen goto out; 3286e126ba97SEli Cohen 3287e126ba97SEli Cohen qp->state = new_state; 3288e126ba97SEli Cohen 3289e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 329019098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3291e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 329219098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3293e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3294e126ba97SEli Cohen qp->port = attr->port_num; 3295e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 329619098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3297e126ba97SEli Cohen 3298e126ba97SEli Cohen /* 3299e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3300e126ba97SEli Cohen * entries and reinitialize the QP. 3301e126ba97SEli Cohen */ 330275a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 330375a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 330419098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3305e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3306e126ba97SEli Cohen if (send_cq != recv_cq) 330719098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3308e126ba97SEli Cohen 3309e126ba97SEli Cohen qp->rq.head = 0; 3310e126ba97SEli Cohen qp->rq.tail = 0; 3311e126ba97SEli Cohen qp->sq.head = 0; 3312e126ba97SEli Cohen qp->sq.tail = 0; 3313e126ba97SEli Cohen qp->sq.cur_post = 0; 3314e126ba97SEli Cohen qp->sq.last_poll = 0; 3315e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3316e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3317e126ba97SEli Cohen } 3318e126ba97SEli Cohen 3319e126ba97SEli Cohen out: 33201a412fb1SSaeed Mahameed kfree(context); 3321e126ba97SEli Cohen return err; 3322e126ba97SEli Cohen } 3323e126ba97SEli Cohen 3324c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3325c32a4f29SMoni Shoua { 3326c32a4f29SMoni Shoua if ((mask & req) != req) 3327c32a4f29SMoni Shoua return false; 3328c32a4f29SMoni Shoua 3329c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3330c32a4f29SMoni Shoua return false; 3331c32a4f29SMoni Shoua 3332c32a4f29SMoni Shoua return true; 3333c32a4f29SMoni Shoua } 3334c32a4f29SMoni Shoua 3335c32a4f29SMoni Shoua /* check valid transition for driver QP types 3336c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3337c32a4f29SMoni Shoua */ 3338c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3339c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3340c32a4f29SMoni Shoua { 3341c32a4f29SMoni Shoua int req = IB_QP_STATE; 3342c32a4f29SMoni Shoua int opt = 0; 3343c32a4f29SMoni Shoua 334499ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 334599ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 334699ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3347c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3348c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3349c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3350c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3351c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3352c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3353c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 3354c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX; 3355c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3356c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3357c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3358c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3359c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3360c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3361c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3362c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3363c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3364c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3365c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3366c32a4f29SMoni Shoua } 3367c32a4f29SMoni Shoua return false; 3368c32a4f29SMoni Shoua } 3369c32a4f29SMoni Shoua 3370776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3371776a3906SMoni Shoua * valid transitions are: 3372776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3373776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3374776a3906SMoni Shoua * mtu, gid_index and hop_limit 3375776a3906SMoni Shoua * Other transitions and attributes are illegal 3376776a3906SMoni Shoua */ 3377776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3378776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3379776a3906SMoni Shoua { 3380776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3381776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3382776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3383776a3906SMoni Shoua int err = 0; 3384776a3906SMoni Shoua int required = IB_QP_STATE; 3385776a3906SMoni Shoua void *dctc; 3386776a3906SMoni Shoua 3387776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3388776a3906SMoni Shoua return -EINVAL; 3389776a3906SMoni Shoua 3390776a3906SMoni Shoua cur_state = qp->state; 3391776a3906SMoni Shoua new_state = attr->qp_state; 3392776a3906SMoni Shoua 3393776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3394776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3395776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3396776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3397776a3906SMoni Shoua return -EINVAL; 3398776a3906SMoni Shoua 3399776a3906SMoni Shoua if (attr->port_num == 0 || 3400776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3401776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3402776a3906SMoni Shoua attr->port_num, dev->num_ports); 3403776a3906SMoni Shoua return -EINVAL; 3404776a3906SMoni Shoua } 3405776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3406776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3407776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3408776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3409776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3410776a3906SMoni Shoua if (!mlx5_ib_dc_atomic_is_supported(dev)) 3411776a3906SMoni Shoua return -EOPNOTSUPP; 3412776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3413776a3906SMoni Shoua MLX5_SET(dctc, dctc, atomic_mode, MLX5_ATOMIC_MODE_DCT_CX); 3414776a3906SMoni Shoua } 3415776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3416776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 3417776a3906SMoni Shoua MLX5_SET(dctc, dctc, counter_set_id, dev->port[attr->port_num - 1].cnts.set_id); 3418776a3906SMoni Shoua 3419776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3420776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3421776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3422776a3906SMoni Shoua sizeof(resp.dctn); 3423776a3906SMoni Shoua 3424776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3425776a3906SMoni Shoua return -EINVAL; 3426776a3906SMoni Shoua resp.response_length = min_resp_len; 3427776a3906SMoni Shoua 3428776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3429776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3430776a3906SMoni Shoua return -EINVAL; 3431776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3432776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3433776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3434776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3435776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3436776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3437776a3906SMoni Shoua 3438776a3906SMoni Shoua err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, 3439776a3906SMoni Shoua MLX5_ST_SZ_BYTES(create_dct_in)); 3440776a3906SMoni Shoua if (err) 3441776a3906SMoni Shoua return err; 3442776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3443776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3444776a3906SMoni Shoua if (err) { 3445776a3906SMoni Shoua mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); 3446776a3906SMoni Shoua return err; 3447776a3906SMoni Shoua } 3448776a3906SMoni Shoua } else { 3449776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3450776a3906SMoni Shoua return -EINVAL; 3451776a3906SMoni Shoua } 3452776a3906SMoni Shoua if (err) 3453776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3454776a3906SMoni Shoua else 3455776a3906SMoni Shoua qp->state = new_state; 3456776a3906SMoni Shoua return err; 3457776a3906SMoni Shoua } 3458776a3906SMoni Shoua 3459e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3460e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3461e126ba97SEli Cohen { 3462e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3463e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 346461147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3465d16e91daSHaggai Eran enum ib_qp_type qp_type; 3466e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 346761147f39SBodong Wang size_t required_cmd_sz; 3468e126ba97SEli Cohen int err = -EINVAL; 3469e126ba97SEli Cohen int port; 34702811ba51SAchiad Shochat enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; 3471e126ba97SEli Cohen 347228d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 347328d61370SYishai Hadas return -ENOSYS; 347428d61370SYishai Hadas 347561147f39SBodong Wang if (udata && udata->inlen) { 347661147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 347761147f39SBodong Wang sizeof(ucmd.reserved); 347861147f39SBodong Wang if (udata->inlen < required_cmd_sz) 347961147f39SBodong Wang return -EINVAL; 348061147f39SBodong Wang 348161147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 348261147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 348361147f39SBodong Wang udata->inlen - sizeof(ucmd))) 348461147f39SBodong Wang return -EOPNOTSUPP; 348561147f39SBodong Wang 348661147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 348761147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 348861147f39SBodong Wang return -EFAULT; 348961147f39SBodong Wang 349061147f39SBodong Wang if (ucmd.comp_mask || 349161147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 349261147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 349361147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 349461147f39SBodong Wang return -EOPNOTSUPP; 349561147f39SBodong Wang } 349661147f39SBodong Wang 3497d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3498d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3499d16e91daSHaggai Eran 3500c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3501c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3502c32a4f29SMoni Shoua else 3503d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3504d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3505d16e91daSHaggai Eran 3506776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3507776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3508c32a4f29SMoni Shoua 3509e126ba97SEli Cohen mutex_lock(&qp->mutex); 3510e126ba97SEli Cohen 3511e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3512e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3513e126ba97SEli Cohen 35142811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 35152811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 35162811ba51SAchiad Shochat ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); 35172811ba51SAchiad Shochat } 35182811ba51SAchiad Shochat 3519c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3520c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3521c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3522c2e53b2cSYishai Hadas attr_mask); 3523c2e53b2cSYishai Hadas goto out; 3524c2e53b2cSYishai Hadas } 3525c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3526c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 3527d16e91daSHaggai Eran !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { 3528158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3529158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3530e126ba97SEli Cohen goto out; 3531c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 3532c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 3533c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3534c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 3535c32a4f29SMoni Shoua goto out; 3536158abf86SHaggai Eran } 3537e126ba97SEli Cohen 3538e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3539938fe83cSSaeed Mahameed (attr->port_num == 0 || 3540508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 3541158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3542158abf86SHaggai Eran attr->port_num, dev->num_ports); 3543e126ba97SEli Cohen goto out; 3544158abf86SHaggai Eran } 3545e126ba97SEli Cohen 3546e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3547e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3548938fe83cSSaeed Mahameed if (attr->pkey_index >= 3549158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3550158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3551158abf86SHaggai Eran attr->pkey_index); 3552e126ba97SEli Cohen goto out; 3553e126ba97SEli Cohen } 3554158abf86SHaggai Eran } 3555e126ba97SEli Cohen 3556e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3557938fe83cSSaeed Mahameed attr->max_rd_atomic > 3558158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3559158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3560158abf86SHaggai Eran attr->max_rd_atomic); 3561e126ba97SEli Cohen goto out; 3562158abf86SHaggai Eran } 3563e126ba97SEli Cohen 3564e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3565938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3566158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3567158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3568158abf86SHaggai Eran attr->max_dest_rd_atomic); 3569e126ba97SEli Cohen goto out; 3570158abf86SHaggai Eran } 3571e126ba97SEli Cohen 3572e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3573e126ba97SEli Cohen err = 0; 3574e126ba97SEli Cohen goto out; 3575e126ba97SEli Cohen } 3576e126ba97SEli Cohen 357761147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 357861147f39SBodong Wang new_state, &ucmd); 3579e126ba97SEli Cohen 3580e126ba97SEli Cohen out: 3581e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3582e126ba97SEli Cohen return err; 3583e126ba97SEli Cohen } 3584e126ba97SEli Cohen 3585e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3586e126ba97SEli Cohen { 3587e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3588e126ba97SEli Cohen unsigned cur; 3589e126ba97SEli Cohen 3590e126ba97SEli Cohen cur = wq->head - wq->tail; 3591e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3592e126ba97SEli Cohen return 0; 3593e126ba97SEli Cohen 3594e126ba97SEli Cohen cq = to_mcq(ib_cq); 3595e126ba97SEli Cohen spin_lock(&cq->lock); 3596e126ba97SEli Cohen cur = wq->head - wq->tail; 3597e126ba97SEli Cohen spin_unlock(&cq->lock); 3598e126ba97SEli Cohen 3599e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3600e126ba97SEli Cohen } 3601e126ba97SEli Cohen 3602e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3603e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3604e126ba97SEli Cohen { 3605e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3606e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3607e126ba97SEli Cohen rseg->reserved = 0; 3608e126ba97SEli Cohen } 3609e126ba97SEli Cohen 3610f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, 3611f696bf6dSBart Van Assche const struct ib_send_wr *wr, void *qend, 3612f0313965SErez Shitrit struct mlx5_ib_qp *qp, int *size) 3613f0313965SErez Shitrit { 3614f0313965SErez Shitrit void *seg = eseg; 3615f0313965SErez Shitrit 3616f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 3617f0313965SErez Shitrit 3618f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 3619f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 3620f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 3621f0313965SErez Shitrit 3622f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_seg); 3623f0313965SErez Shitrit *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 3624f0313965SErez Shitrit 3625f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 3626f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 36272b31f7aeSSaeed Mahameed int size_of_inl_hdr_start = sizeof(eseg->inline_hdr.start); 3628f0313965SErez Shitrit u64 left, leftlen, copysz; 3629f0313965SErez Shitrit void *pdata = ud_wr->header; 3630f0313965SErez Shitrit 3631f0313965SErez Shitrit left = ud_wr->hlen; 3632f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 36332b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 3634f0313965SErez Shitrit 3635f0313965SErez Shitrit /* 3636f0313965SErez Shitrit * check if there is space till the end of queue, if yes, 3637f0313965SErez Shitrit * copy all in one shot, otherwise copy till the end of queue, 3638f0313965SErez Shitrit * rollback and than the copy the left 3639f0313965SErez Shitrit */ 36402b31f7aeSSaeed Mahameed leftlen = qend - (void *)eseg->inline_hdr.start; 3641f0313965SErez Shitrit copysz = min_t(u64, leftlen, left); 3642f0313965SErez Shitrit 3643f0313965SErez Shitrit memcpy(seg - size_of_inl_hdr_start, pdata, copysz); 3644f0313965SErez Shitrit 3645f0313965SErez Shitrit if (likely(copysz > size_of_inl_hdr_start)) { 3646f0313965SErez Shitrit seg += ALIGN(copysz - size_of_inl_hdr_start, 16); 3647f0313965SErez Shitrit *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; 3648f0313965SErez Shitrit } 3649f0313965SErez Shitrit 3650f0313965SErez Shitrit if (unlikely(copysz < left)) { /* the last wqe in the queue */ 3651f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 3652f0313965SErez Shitrit left -= copysz; 3653f0313965SErez Shitrit pdata += copysz; 3654f0313965SErez Shitrit memcpy(seg, pdata, left); 3655f0313965SErez Shitrit seg += ALIGN(left, 16); 3656f0313965SErez Shitrit *size += ALIGN(left, 16) / 16; 3657f0313965SErez Shitrit } 3658f0313965SErez Shitrit } 3659f0313965SErez Shitrit 3660f0313965SErez Shitrit return seg; 3661f0313965SErez Shitrit } 3662f0313965SErez Shitrit 3663e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 3664f696bf6dSBart Van Assche const struct ib_send_wr *wr) 3665e126ba97SEli Cohen { 3666e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 3667e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 3668e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 3669e126ba97SEli Cohen } 3670e126ba97SEli Cohen 3671e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 3672e126ba97SEli Cohen { 3673e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 3674e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 3675e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 3676e126ba97SEli Cohen } 3677e126ba97SEli Cohen 367831616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 3679e126ba97SEli Cohen { 368031616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 368131616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 3682e126ba97SEli Cohen } 3683e126ba97SEli Cohen 3684e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 3685e126ba97SEli Cohen { 3686e126ba97SEli Cohen u64 result; 3687e126ba97SEli Cohen 3688e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 3689e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 3690e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 3691e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 3692e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 3693e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 3694e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 3695e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 3696e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 3697e126ba97SEli Cohen MLX5_MKEY_MASK_A | 3698e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 3699e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3700e126ba97SEli Cohen 3701e126ba97SEli Cohen return cpu_to_be64(result); 3702e126ba97SEli Cohen } 3703e126ba97SEli Cohen 3704e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 3705e6631814SSagi Grimberg { 3706e6631814SSagi Grimberg u64 result; 3707e6631814SSagi Grimberg 3708e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 3709e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 3710e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 3711d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 3712e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 3713e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 3714e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 3715e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 3716e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 3717e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 3718e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 3719e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 3720e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 3721e6631814SSagi Grimberg 3722e6631814SSagi Grimberg return cpu_to_be64(result); 3723e6631814SSagi Grimberg } 3724e6631814SSagi Grimberg 37258a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 3726064e5262SIdan Burstein struct mlx5_ib_mr *mr, bool umr_inline) 37278a187ee5SSagi Grimberg { 372831616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 37298a187ee5SSagi Grimberg 37308a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 3731b005d316SSagi Grimberg 37328a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 3733064e5262SIdan Burstein if (umr_inline) 3734064e5262SIdan Burstein umr->flags |= MLX5_UMR_INLINE; 373531616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 37368a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 37378a187ee5SSagi Grimberg } 37388a187ee5SSagi Grimberg 3739dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 3740e126ba97SEli Cohen { 3741e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 3742e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 37432d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 3744e126ba97SEli Cohen } 3745e126ba97SEli Cohen 374631616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 3747e126ba97SEli Cohen { 3748968e78ddSHaggai Eran u64 result; 3749e126ba97SEli Cohen 375031616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 3751e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 3752968e78ddSHaggai Eran 3753968e78ddSHaggai Eran return cpu_to_be64(result); 3754968e78ddSHaggai Eran } 3755968e78ddSHaggai Eran 375631616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 3757968e78ddSHaggai Eran { 3758968e78ddSHaggai Eran u64 result; 3759968e78ddSHaggai Eran 3760968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 3761968e78ddSHaggai Eran 3762968e78ddSHaggai Eran return cpu_to_be64(result); 3763968e78ddSHaggai Eran } 3764968e78ddSHaggai Eran 376556e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 376656e11d62SNoa Osherovich { 376756e11d62SNoa Osherovich u64 result; 376856e11d62SNoa Osherovich 376956e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 377056e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 377131616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 377256e11d62SNoa Osherovich 377356e11d62SNoa Osherovich return cpu_to_be64(result); 377456e11d62SNoa Osherovich } 377556e11d62SNoa Osherovich 377631616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 377756e11d62SNoa Osherovich { 377856e11d62SNoa Osherovich u64 result; 377956e11d62SNoa Osherovich 378031616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 378131616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 378256e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 378331616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 378431616255SArtemy Kovalyov 378531616255SArtemy Kovalyov if (atomic) 378631616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 378756e11d62SNoa Osherovich 378856e11d62SNoa Osherovich return cpu_to_be64(result); 378956e11d62SNoa Osherovich } 379056e11d62SNoa Osherovich 379156e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 379256e11d62SNoa Osherovich { 379356e11d62SNoa Osherovich u64 result; 379456e11d62SNoa Osherovich 379531616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 379656e11d62SNoa Osherovich 379756e11d62SNoa Osherovich return cpu_to_be64(result); 379856e11d62SNoa Osherovich } 379956e11d62SNoa Osherovich 3800c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 3801c8d75a98SMajd Dibbiny { 3802c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 3803c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 3804c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 3805c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 3806c8d75a98SMajd Dibbiny return -EPERM; 3807c8d75a98SMajd Dibbiny return 0; 3808c8d75a98SMajd Dibbiny } 3809c8d75a98SMajd Dibbiny 3810c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 3811c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 3812f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 3813968e78ddSHaggai Eran { 3814f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 3815968e78ddSHaggai Eran 3816968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 3817968e78ddSHaggai Eran 3818968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 3819968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 3820968e78ddSHaggai Eran else 3821968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 3822968e78ddSHaggai Eran 382331616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 382431616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 382531616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 382631616255SArtemy Kovalyov 382731616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 382831616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 3829968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 3830968e78ddSHaggai Eran } 383156e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 383256e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 383331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 383431616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 383556e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 3836e126ba97SEli Cohen } 383731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 383831616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 383931616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 384031616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 3841e126ba97SEli Cohen 3842e126ba97SEli Cohen if (!wr->num_sge) 3843968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 3844c8d75a98SMajd Dibbiny 3845c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 3846e126ba97SEli Cohen } 3847e126ba97SEli Cohen 3848e126ba97SEli Cohen static u8 get_umr_flags(int acc) 3849e126ba97SEli Cohen { 3850e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 3851e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 3852e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 3853e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 38542ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 3855e126ba97SEli Cohen } 3856e126ba97SEli Cohen 38578a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 38588a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 38598a187ee5SSagi Grimberg u32 key, int access) 38608a187ee5SSagi Grimberg { 38618a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 38628a187ee5SSagi Grimberg 38638a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 3864b005d316SSagi Grimberg 3865ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 3866b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 3867ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 3868b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 3869b005d316SSagi Grimberg ndescs *= 2; 3870b005d316SSagi Grimberg 3871b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 38728a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 38738a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 38748a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 38758a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 38768a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 38778a187ee5SSagi Grimberg } 38788a187ee5SSagi Grimberg 3879dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 3880e126ba97SEli Cohen { 3881e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 3882968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3883e126ba97SEli Cohen } 3884e126ba97SEli Cohen 3885f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 3886f696bf6dSBart Van Assche const struct ib_send_wr *wr) 3887e126ba97SEli Cohen { 3888f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 3889968e78ddSHaggai Eran 3890e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 389131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 3892968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 3893e126ba97SEli Cohen 3894968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 389556e11d62SNoa Osherovich if (umrwr->pd) 3896968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 389731616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 389831616255SArtemy Kovalyov !umrwr->length) 389931616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 390031616255SArtemy Kovalyov 390131616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 3902968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 3903968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 3904746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 3905968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 3906e126ba97SEli Cohen } 3907e126ba97SEli Cohen 39088a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 39098a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 39108a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 39118a187ee5SSagi Grimberg { 39128a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 39138a187ee5SSagi Grimberg 39148a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 39158a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 39168a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 39178a187ee5SSagi Grimberg } 39188a187ee5SSagi Grimberg 3919064e5262SIdan Burstein static void set_reg_umr_inline_seg(void *seg, struct mlx5_ib_qp *qp, 3920064e5262SIdan Burstein struct mlx5_ib_mr *mr, int mr_list_size) 3921064e5262SIdan Burstein { 3922064e5262SIdan Burstein void *qend = qp->sq.qend; 3923064e5262SIdan Burstein void *addr = mr->descs; 3924064e5262SIdan Burstein int copy; 3925064e5262SIdan Burstein 3926064e5262SIdan Burstein if (unlikely(seg + mr_list_size > qend)) { 3927064e5262SIdan Burstein copy = qend - seg; 3928064e5262SIdan Burstein memcpy(seg, addr, copy); 3929064e5262SIdan Burstein addr += copy; 3930064e5262SIdan Burstein mr_list_size -= copy; 3931064e5262SIdan Burstein seg = mlx5_get_send_wqe(qp, 0); 3932064e5262SIdan Burstein } 3933064e5262SIdan Burstein memcpy(seg, addr, mr_list_size); 3934064e5262SIdan Burstein seg += mr_list_size; 3935064e5262SIdan Burstein } 3936064e5262SIdan Burstein 3937f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 3938e126ba97SEli Cohen { 3939e126ba97SEli Cohen switch (wr->opcode) { 3940e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 3941e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 3942e126ba97SEli Cohen return wr->ex.imm_data; 3943e126ba97SEli Cohen 3944e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 3945e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 3946e126ba97SEli Cohen 3947e126ba97SEli Cohen default: 3948e126ba97SEli Cohen return 0; 3949e126ba97SEli Cohen } 3950e126ba97SEli Cohen } 3951e126ba97SEli Cohen 3952e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 3953e126ba97SEli Cohen { 3954e126ba97SEli Cohen u8 *p = wqe; 3955e126ba97SEli Cohen u8 res = 0; 3956e126ba97SEli Cohen int i; 3957e126ba97SEli Cohen 3958e126ba97SEli Cohen for (i = 0; i < size; i++) 3959e126ba97SEli Cohen res ^= p[i]; 3960e126ba97SEli Cohen 3961e126ba97SEli Cohen return ~res; 3962e126ba97SEli Cohen } 3963e126ba97SEli Cohen 3964e126ba97SEli Cohen static u8 wq_sig(void *wqe) 3965e126ba97SEli Cohen { 3966e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 3967e126ba97SEli Cohen } 3968e126ba97SEli Cohen 3969f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 3970e126ba97SEli Cohen void *wqe, int *sz) 3971e126ba97SEli Cohen { 3972e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 3973e126ba97SEli Cohen void *qend = qp->sq.qend; 3974e126ba97SEli Cohen void *addr; 3975e126ba97SEli Cohen int inl = 0; 3976e126ba97SEli Cohen int copy; 3977e126ba97SEli Cohen int len; 3978e126ba97SEli Cohen int i; 3979e126ba97SEli Cohen 3980e126ba97SEli Cohen seg = wqe; 3981e126ba97SEli Cohen wqe += sizeof(*seg); 3982e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 3983e126ba97SEli Cohen addr = (void *)(unsigned long)(wr->sg_list[i].addr); 3984e126ba97SEli Cohen len = wr->sg_list[i].length; 3985e126ba97SEli Cohen inl += len; 3986e126ba97SEli Cohen 3987e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 3988e126ba97SEli Cohen return -ENOMEM; 3989e126ba97SEli Cohen 3990e126ba97SEli Cohen if (unlikely(wqe + len > qend)) { 3991e126ba97SEli Cohen copy = qend - wqe; 3992e126ba97SEli Cohen memcpy(wqe, addr, copy); 3993e126ba97SEli Cohen addr += copy; 3994e126ba97SEli Cohen len -= copy; 3995e126ba97SEli Cohen wqe = mlx5_get_send_wqe(qp, 0); 3996e126ba97SEli Cohen } 3997e126ba97SEli Cohen memcpy(wqe, addr, len); 3998e126ba97SEli Cohen wqe += len; 3999e126ba97SEli Cohen } 4000e126ba97SEli Cohen 4001e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4002e126ba97SEli Cohen 4003e126ba97SEli Cohen *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4004e126ba97SEli Cohen 4005e126ba97SEli Cohen return 0; 4006e126ba97SEli Cohen } 4007e126ba97SEli Cohen 4008e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4009e6631814SSagi Grimberg { 4010e6631814SSagi Grimberg switch (type) { 4011e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4012e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4013e6631814SSagi Grimberg default: 4014e6631814SSagi Grimberg return 0; 4015e6631814SSagi Grimberg } 4016e6631814SSagi Grimberg } 4017e6631814SSagi Grimberg 4018e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4019e6631814SSagi Grimberg { 4020e6631814SSagi Grimberg switch (block_size) { 4021e6631814SSagi Grimberg case 512: return 0x1; 4022e6631814SSagi Grimberg case 520: return 0x2; 4023e6631814SSagi Grimberg case 4096: return 0x3; 4024e6631814SSagi Grimberg case 4160: return 0x4; 4025e6631814SSagi Grimberg case 1073741824: return 0x5; 4026e6631814SSagi Grimberg default: return 0; 4027e6631814SSagi Grimberg } 4028e6631814SSagi Grimberg } 4029e6631814SSagi Grimberg 403078eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4031142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4032e6631814SSagi Grimberg { 4033142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4034142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4035142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4036142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4037142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4038142537f4SSagi Grimberg /* repeating block */ 4039142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4040142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4041142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4042e6631814SSagi Grimberg 404378eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 404478eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4045e6631814SSagi Grimberg 404678eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 404778eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 404878eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 404978eda2bbSSagi Grimberg else 405078eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4051e6631814SSagi Grimberg } 4052e6631814SSagi Grimberg 405378eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 405478eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4055e6631814SSagi Grimberg } 4056e6631814SSagi Grimberg 4057e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4058e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4059e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4060e6631814SSagi Grimberg { 4061e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4062e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4063e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4064e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4065e6631814SSagi Grimberg 4066c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4067e6631814SSagi Grimberg 4068142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4069142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4070e6631814SSagi Grimberg /* Input domain check byte mask */ 4071e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 407278eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 407378eda2bbSSagi Grimberg 407478eda2bbSSagi Grimberg /* Memory domain */ 407578eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 407678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 407778eda2bbSSagi Grimberg break; 407878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 407978eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 408078eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 408178eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 408278eda2bbSSagi Grimberg break; 408378eda2bbSSagi Grimberg default: 408478eda2bbSSagi Grimberg return -EINVAL; 408578eda2bbSSagi Grimberg } 408678eda2bbSSagi Grimberg 408778eda2bbSSagi Grimberg /* Wire domain */ 408878eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 408978eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 409078eda2bbSSagi Grimberg break; 409178eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4092e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 409378eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4094e6631814SSagi Grimberg /* Same block structure */ 4095142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4096e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4097fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4098c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4099fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4100c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4101fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4102e6631814SSagi Grimberg } else 4103e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4104e6631814SSagi Grimberg 4105142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 410678eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4107e6631814SSagi Grimberg break; 4108e6631814SSagi Grimberg default: 4109e6631814SSagi Grimberg return -EINVAL; 4110e6631814SSagi Grimberg } 4111e6631814SSagi Grimberg 4112e6631814SSagi Grimberg return 0; 4113e6631814SSagi Grimberg } 4114e6631814SSagi Grimberg 4115f696bf6dSBart Van Assche static int set_sig_data_segment(const struct ib_sig_handover_wr *wr, 4116e622f2f4SChristoph Hellwig struct mlx5_ib_qp *qp, void **seg, int *size) 4117e6631814SSagi Grimberg { 4118e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 4119e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4120e6631814SSagi Grimberg struct mlx5_bsf *bsf; 4121e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 4122e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 4123e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 4124e6631814SSagi Grimberg int ret; 4125e6631814SSagi Grimberg int wqe_size; 4126e6631814SSagi Grimberg 4127e622f2f4SChristoph Hellwig if (!wr->prot || 4128e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 4129e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 4130e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 4131e6631814SSagi Grimberg /** 4132e6631814SSagi Grimberg * Source domain doesn't contain signature information 41335c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4134e6631814SSagi Grimberg * So need construct: 4135e6631814SSagi Grimberg * ------------------ 4136e6631814SSagi Grimberg * | data_klm | 4137e6631814SSagi Grimberg * ------------------ 4138e6631814SSagi Grimberg * | BSF | 4139e6631814SSagi Grimberg * ------------------ 4140e6631814SSagi Grimberg **/ 4141e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4142e6631814SSagi Grimberg 4143e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4144e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4145e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4146e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4147e6631814SSagi Grimberg } else { 4148e6631814SSagi Grimberg /** 4149e6631814SSagi Grimberg * Source domain contains signature information 4150e6631814SSagi Grimberg * So need construct a strided block format: 4151e6631814SSagi Grimberg * --------------------------- 4152e6631814SSagi Grimberg * | stride_block_ctrl | 4153e6631814SSagi Grimberg * --------------------------- 4154e6631814SSagi Grimberg * | data_klm | 4155e6631814SSagi Grimberg * --------------------------- 4156e6631814SSagi Grimberg * | prot_klm | 4157e6631814SSagi Grimberg * --------------------------- 4158e6631814SSagi Grimberg * | BSF | 4159e6631814SSagi Grimberg * --------------------------- 4160e6631814SSagi Grimberg **/ 4161e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4162e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4163e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4164e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 4165e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 4166e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4167e6631814SSagi Grimberg int prot_size; 4168e6631814SSagi Grimberg 4169e6631814SSagi Grimberg sblock_ctrl = *seg; 4170e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4171e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4172e6631814SSagi Grimberg 4173e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4174e6631814SSagi Grimberg if (!prot_size) { 4175e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4176e6631814SSagi Grimberg return -EINVAL; 4177e6631814SSagi Grimberg } 4178e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4179e6631814SSagi Grimberg prot_size); 4180e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4181e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4182e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4183e6631814SSagi Grimberg 4184e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4185e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4186e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 41875c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 41885c273b16SSagi Grimberg 4189e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4190e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4191e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4192e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 41935c273b16SSagi Grimberg 4194e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4195e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4196e6631814SSagi Grimberg } 4197e6631814SSagi Grimberg 4198e6631814SSagi Grimberg *seg += wqe_size; 4199e6631814SSagi Grimberg *size += wqe_size / 16; 4200e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 4201e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 4202e6631814SSagi Grimberg 4203e6631814SSagi Grimberg bsf = *seg; 4204e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4205e6631814SSagi Grimberg if (ret) 4206e6631814SSagi Grimberg return -EINVAL; 4207e6631814SSagi Grimberg 4208e6631814SSagi Grimberg *seg += sizeof(*bsf); 4209e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 4210e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 4211e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 4212e6631814SSagi Grimberg 4213e6631814SSagi Grimberg return 0; 4214e6631814SSagi Grimberg } 4215e6631814SSagi Grimberg 4216e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 4217f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr, u32 size, 4218e6631814SSagi Grimberg u32 length, u32 pdn) 4219e6631814SSagi Grimberg { 4220e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4221e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4222d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4223e6631814SSagi Grimberg 4224e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4225e6631814SSagi Grimberg 4226e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 4227ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 4228e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4229d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4230e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4231e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 423231616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4233e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4234e6631814SSagi Grimberg } 4235e6631814SSagi Grimberg 4236e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 423731616255SArtemy Kovalyov u32 size) 4238e6631814SSagi Grimberg { 4239e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4240e6631814SSagi Grimberg 4241e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 424231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4243e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4244e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4245e6631814SSagi Grimberg } 4246e6631814SSagi Grimberg 4247e6631814SSagi Grimberg 4248f696bf6dSBart Van Assche static int set_sig_umr_wr(const struct ib_send_wr *send_wr, 4249f696bf6dSBart Van Assche struct mlx5_ib_qp *qp, void **seg, int *size) 4250e6631814SSagi Grimberg { 4251f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 4252e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 4253e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 425431616255SArtemy Kovalyov u32 xlt_size; 4255e6631814SSagi Grimberg int region_len, ret; 4256e6631814SSagi Grimberg 4257e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 4258e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 4259d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 4260d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 4261e6631814SSagi Grimberg return -EINVAL; 4262e6631814SSagi Grimberg 4263e6631814SSagi Grimberg /* length of the protected region, data + protection */ 4264e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 4265e622f2f4SChristoph Hellwig if (wr->prot && 4266e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 4267e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 4268e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 4269e622f2f4SChristoph Hellwig region_len += wr->prot->length; 4270e6631814SSagi Grimberg 4271e6631814SSagi Grimberg /** 4272e6631814SSagi Grimberg * KLM octoword size - if protection was provided 4273e6631814SSagi Grimberg * then we use strided block format (3 octowords), 4274e6631814SSagi Grimberg * else we use single KLM (1 octoword) 4275e6631814SSagi Grimberg **/ 427631616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 4277e6631814SSagi Grimberg 427831616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 4279e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4280e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4281e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 4282e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 4283e6631814SSagi Grimberg 428431616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 4285e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 4286e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 4287e6631814SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 4288e6631814SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 4289e6631814SSagi Grimberg 4290e6631814SSagi Grimberg ret = set_sig_data_segment(wr, qp, seg, size); 4291e6631814SSagi Grimberg if (ret) 4292e6631814SSagi Grimberg return ret; 4293e6631814SSagi Grimberg 4294d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 4295e6631814SSagi Grimberg return 0; 4296e6631814SSagi Grimberg } 4297e6631814SSagi Grimberg 4298e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4299e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4300e6631814SSagi Grimberg { 4301e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4302e6631814SSagi Grimberg 4303e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4304e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4305e6631814SSagi Grimberg switch (domain->sig_type) { 430678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 430778eda2bbSSagi Grimberg break; 4308e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4309e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4310e6631814SSagi Grimberg domain->sig.dif.app_tag); 4311e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4312e6631814SSagi Grimberg break; 4313e6631814SSagi Grimberg default: 431412bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 431512bbf1eaSLeon Romanovsky domain->sig_type); 431612bbf1eaSLeon Romanovsky return -EINVAL; 4317e6631814SSagi Grimberg } 4318e6631814SSagi Grimberg 431978eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 432078eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 432178eda2bbSSagi Grimberg 4322e6631814SSagi Grimberg return 0; 4323e6631814SSagi Grimberg } 4324e6631814SSagi Grimberg 43258a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4326f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 43278a187ee5SSagi Grimberg void **seg, int *size) 43288a187ee5SSagi Grimberg { 43298a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 43308a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 4331064e5262SIdan Burstein int mr_list_size = mr->ndescs * mr->desc_size; 4332064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 43338a187ee5SSagi Grimberg 43348a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 43358a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 43368a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 43378a187ee5SSagi Grimberg return -EINVAL; 43388a187ee5SSagi Grimberg } 43398a187ee5SSagi Grimberg 4340064e5262SIdan Burstein set_reg_umr_seg(*seg, mr, umr_inline); 43418a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 43428a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 43438a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 43448a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 43458a187ee5SSagi Grimberg 43468a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 43478a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 43488a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 43498a187ee5SSagi Grimberg if (unlikely((*seg == qp->sq.qend))) 43508a187ee5SSagi Grimberg *seg = mlx5_get_send_wqe(qp, 0); 43518a187ee5SSagi Grimberg 4352064e5262SIdan Burstein if (umr_inline) { 4353064e5262SIdan Burstein set_reg_umr_inline_seg(*seg, qp, mr, mr_list_size); 4354064e5262SIdan Burstein *size += get_xlt_octo(mr_list_size); 4355064e5262SIdan Burstein } else { 43568a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 43578a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 43588a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4359064e5262SIdan Burstein } 43608a187ee5SSagi Grimberg return 0; 43618a187ee5SSagi Grimberg } 43628a187ee5SSagi Grimberg 4363dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) 4364e126ba97SEli Cohen { 4365dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4366e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4367e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4368e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 4369e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 4370dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4371e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4372e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 4373e126ba97SEli Cohen if (unlikely((*seg == qp->sq.qend))) 4374e126ba97SEli Cohen *seg = mlx5_get_send_wqe(qp, 0); 4375e126ba97SEli Cohen } 4376e126ba97SEli Cohen 4377e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) 4378e126ba97SEli Cohen { 4379e126ba97SEli Cohen __be32 *p = NULL; 4380e126ba97SEli Cohen int tidx = idx; 4381e126ba97SEli Cohen int i, j; 4382e126ba97SEli Cohen 4383e126ba97SEli Cohen pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); 4384e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4385e126ba97SEli Cohen if ((i & 0xf) == 0) { 4386e126ba97SEli Cohen void *buf = mlx5_get_send_wqe(qp, tidx); 4387e126ba97SEli Cohen tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); 4388e126ba97SEli Cohen p = buf; 4389e126ba97SEli Cohen j = 0; 4390e126ba97SEli Cohen } 4391e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4392e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4393e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4394e126ba97SEli Cohen } 4395e126ba97SEli Cohen } 4396e126ba97SEli Cohen 43977bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 43986e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 4399f696bf6dSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 44007bb1fafcSBart Van Assche int *size, int nreq, bool send_signaled, bool solicited) 44016e5eadacSSagi Grimberg { 4402b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4403b2a232d2SLeon Romanovsky return -ENOMEM; 44046e5eadacSSagi Grimberg 44056e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 44066e5eadacSSagi Grimberg *seg = mlx5_get_send_wqe(qp, *idx); 44076e5eadacSSagi Grimberg *ctrl = *seg; 44086e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 44096e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 44106e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 44117bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 44127bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 44136e5eadacSSagi Grimberg 44146e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 44156e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 44166e5eadacSSagi Grimberg 4417b2a232d2SLeon Romanovsky return 0; 44186e5eadacSSagi Grimberg } 44196e5eadacSSagi Grimberg 44207bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 44217bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 44227bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 44237bb1fafcSBart Van Assche int *size, int nreq) 44247bb1fafcSBart Van Assche { 44257bb1fafcSBart Van Assche return __begin_wqe(qp, seg, ctrl, wr, idx, size, nreq, 44267bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 44277bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 44287bb1fafcSBart Van Assche } 44297bb1fafcSBart Van Assche 44306e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 44316e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 44326e5eadacSSagi Grimberg u8 size, unsigned idx, u64 wr_id, 44336e8484c5SMax Gurtovoy int nreq, u8 fence, u32 mlx5_opcode) 44346e5eadacSSagi Grimberg { 44356e5eadacSSagi Grimberg u8 opmod = 0; 44366e5eadacSSagi Grimberg 44376e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 44386e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 443919098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 44406e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 44416e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 44426e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 44436e5eadacSSagi Grimberg 44446e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 44456e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 44466e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 44476e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 44486e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 44496e5eadacSSagi Grimberg } 44506e5eadacSSagi Grimberg 4451d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 4452d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 4453e126ba97SEli Cohen { 4454e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 4455e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 445689ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4457d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 4458e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 4459e126ba97SEli Cohen struct mlx5_wqe_data_seg *dpseg; 4460e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 4461d16e91daSHaggai Eran struct mlx5_bf *bf; 4462e126ba97SEli Cohen int uninitialized_var(size); 4463d16e91daSHaggai Eran void *qend; 4464e126ba97SEli Cohen unsigned long flags; 4465e126ba97SEli Cohen unsigned idx; 4466e126ba97SEli Cohen int err = 0; 4467e126ba97SEli Cohen int num_sge; 4468e126ba97SEli Cohen void *seg; 4469e126ba97SEli Cohen int nreq; 4470e126ba97SEli Cohen int i; 4471e126ba97SEli Cohen u8 next_fence = 0; 4472e126ba97SEli Cohen u8 fence; 4473e126ba97SEli Cohen 44746c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 44756c75520fSParav Pandit !drain)) { 44766c75520fSParav Pandit *bad_wr = wr; 44776c75520fSParav Pandit return -EIO; 44786c75520fSParav Pandit } 44796c75520fSParav Pandit 4480d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4481d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 4482d16e91daSHaggai Eran 4483d16e91daSHaggai Eran qp = to_mqp(ibqp); 44845fe9dec0SEli Cohen bf = &qp->bf; 4485d16e91daSHaggai Eran qend = qp->sq.qend; 4486d16e91daSHaggai Eran 4487e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 4488e126ba97SEli Cohen 4489e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4490a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 4491e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4492e126ba97SEli Cohen err = -EINVAL; 4493e126ba97SEli Cohen *bad_wr = wr; 4494e126ba97SEli Cohen goto out; 4495e126ba97SEli Cohen } 4496e126ba97SEli Cohen 4497e126ba97SEli Cohen num_sge = wr->num_sge; 4498e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 4499e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 450024be409bSChuck Lever err = -EINVAL; 4501e126ba97SEli Cohen *bad_wr = wr; 4502e126ba97SEli Cohen goto out; 4503e126ba97SEli Cohen } 4504e126ba97SEli Cohen 45056e5eadacSSagi Grimberg err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); 45066e5eadacSSagi Grimberg if (err) { 45076e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 45086e5eadacSSagi Grimberg err = -ENOMEM; 45096e5eadacSSagi Grimberg *bad_wr = wr; 45106e5eadacSSagi Grimberg goto out; 45116e5eadacSSagi Grimberg } 4512e126ba97SEli Cohen 45136e8484c5SMax Gurtovoy if (wr->opcode == IB_WR_LOCAL_INV || 45146e8484c5SMax Gurtovoy wr->opcode == IB_WR_REG_MR) { 45156e8484c5SMax Gurtovoy fence = dev->umr_fence; 45166e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 45176e8484c5SMax Gurtovoy } else if (wr->send_flags & IB_SEND_FENCE) { 45186e8484c5SMax Gurtovoy if (qp->next_fence) 45196e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 45206e8484c5SMax Gurtovoy else 45216e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 45226e8484c5SMax Gurtovoy } else { 45236e8484c5SMax Gurtovoy fence = qp->next_fence; 45246e8484c5SMax Gurtovoy } 45256e8484c5SMax Gurtovoy 4526e126ba97SEli Cohen switch (ibqp->qp_type) { 4527e126ba97SEli Cohen case IB_QPT_XRC_INI: 4528e126ba97SEli Cohen xrc = seg; 4529e126ba97SEli Cohen seg += sizeof(*xrc); 4530e126ba97SEli Cohen size += sizeof(*xrc) / 16; 4531e126ba97SEli Cohen /* fall through */ 4532e126ba97SEli Cohen case IB_QPT_RC: 4533e126ba97SEli Cohen switch (wr->opcode) { 4534e126ba97SEli Cohen case IB_WR_RDMA_READ: 4535e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4536e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4537e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4538e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4539e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4540e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4541e126ba97SEli Cohen break; 4542e126ba97SEli Cohen 4543e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 4544e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 4545e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 454681bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 454781bea28fSEli Cohen err = -ENOSYS; 454881bea28fSEli Cohen *bad_wr = wr; 454981bea28fSEli Cohen goto out; 4550e126ba97SEli Cohen 4551e126ba97SEli Cohen case IB_WR_LOCAL_INV: 4552e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 4553e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 4554dd01e66aSSagi Grimberg set_linv_wr(qp, &seg, &size); 4555e126ba97SEli Cohen num_sge = 0; 4556e126ba97SEli Cohen break; 4557e126ba97SEli Cohen 45588a187ee5SSagi Grimberg case IB_WR_REG_MR: 45598a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 45608a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 45618a187ee5SSagi Grimberg err = set_reg_wr(qp, reg_wr(wr), &seg, &size); 45628a187ee5SSagi Grimberg if (err) { 45638a187ee5SSagi Grimberg *bad_wr = wr; 45648a187ee5SSagi Grimberg goto out; 45658a187ee5SSagi Grimberg } 45668a187ee5SSagi Grimberg num_sge = 0; 45678a187ee5SSagi Grimberg break; 45688a187ee5SSagi Grimberg 4569e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4570e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4571e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4572e6631814SSagi Grimberg 4573e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 4574e6631814SSagi Grimberg err = set_sig_umr_wr(wr, qp, &seg, &size); 4575e6631814SSagi Grimberg if (err) { 4576e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4577e6631814SSagi Grimberg *bad_wr = wr; 4578e6631814SSagi Grimberg goto out; 4579e6631814SSagi Grimberg } 4580e6631814SSagi Grimberg 45816e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 45826e8484c5SMax Gurtovoy fence, MLX5_OPCODE_UMR); 4583e6631814SSagi Grimberg /* 4584e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4585e6631814SSagi Grimberg * on error 4586e6631814SSagi Grimberg */ 45877bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 45887bb1fafcSBart Van Assche &size, nreq, false, true); 4589e6631814SSagi Grimberg if (err) { 4590e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4591e6631814SSagi Grimberg err = -ENOMEM; 4592e6631814SSagi Grimberg *bad_wr = wr; 4593e6631814SSagi Grimberg goto out; 4594e6631814SSagi Grimberg } 4595e6631814SSagi Grimberg 4596e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4597e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4598e6631814SSagi Grimberg &size); 4599e6631814SSagi Grimberg if (err) { 4600e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4601e6631814SSagi Grimberg *bad_wr = wr; 4602e6631814SSagi Grimberg goto out; 4603e6631814SSagi Grimberg } 4604e6631814SSagi Grimberg 46056e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 46066e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 46077bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 46087bb1fafcSBart Van Assche &size, nreq, false, true); 4609e6631814SSagi Grimberg if (err) { 4610e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4611e6631814SSagi Grimberg err = -ENOMEM; 4612e6631814SSagi Grimberg *bad_wr = wr; 4613e6631814SSagi Grimberg goto out; 4614e6631814SSagi Grimberg } 4615e6631814SSagi Grimberg 4616e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 4617e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 4618e6631814SSagi Grimberg &size); 4619e6631814SSagi Grimberg if (err) { 4620e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4621e6631814SSagi Grimberg *bad_wr = wr; 4622e6631814SSagi Grimberg goto out; 4623e6631814SSagi Grimberg } 4624e6631814SSagi Grimberg 46256e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, 46266e8484c5SMax Gurtovoy fence, MLX5_OPCODE_SET_PSV); 46276e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4628e6631814SSagi Grimberg num_sge = 0; 4629e6631814SSagi Grimberg goto skip_psv; 4630e6631814SSagi Grimberg 4631e126ba97SEli Cohen default: 4632e126ba97SEli Cohen break; 4633e126ba97SEli Cohen } 4634e126ba97SEli Cohen break; 4635e126ba97SEli Cohen 4636e126ba97SEli Cohen case IB_QPT_UC: 4637e126ba97SEli Cohen switch (wr->opcode) { 4638e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4639e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4640e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4641e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4642e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4643e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4644e126ba97SEli Cohen break; 4645e126ba97SEli Cohen 4646e126ba97SEli Cohen default: 4647e126ba97SEli Cohen break; 4648e126ba97SEli Cohen } 4649e126ba97SEli Cohen break; 4650e126ba97SEli Cohen 4651e126ba97SEli Cohen case IB_QPT_SMI: 46521e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 46531e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 46541e0e50b6SMaor Gottlieb err = -EPERM; 46551e0e50b6SMaor Gottlieb *bad_wr = wr; 46561e0e50b6SMaor Gottlieb goto out; 46571e0e50b6SMaor Gottlieb } 4658f6b1ee34SBart Van Assche /* fall through */ 4659d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 4660e126ba97SEli Cohen set_datagram_seg(seg, wr); 4661e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 4662e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4663e126ba97SEli Cohen if (unlikely((seg == qend))) 4664e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4665e126ba97SEli Cohen break; 4666f0313965SErez Shitrit case IB_QPT_UD: 4667f0313965SErez Shitrit set_datagram_seg(seg, wr); 4668f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 4669f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 4670e126ba97SEli Cohen 4671f0313965SErez Shitrit if (unlikely((seg == qend))) 4672f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4673f0313965SErez Shitrit 4674f0313965SErez Shitrit /* handle qp that supports ud offload */ 4675f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 4676f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 4677f0313965SErez Shitrit 4678f0313965SErez Shitrit pad = seg; 4679f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 4680f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 4681f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 4682f0313965SErez Shitrit 4683f0313965SErez Shitrit seg = set_eth_seg(seg, wr, qend, qp, &size); 4684f0313965SErez Shitrit 4685f0313965SErez Shitrit if (unlikely((seg == qend))) 4686f0313965SErez Shitrit seg = mlx5_get_send_wqe(qp, 0); 4687f0313965SErez Shitrit } 4688f0313965SErez Shitrit break; 4689e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 4690e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 4691e126ba97SEli Cohen err = -EINVAL; 4692e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 4693e126ba97SEli Cohen goto out; 4694e126ba97SEli Cohen } 4695e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 4696e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 4697c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 4698c8d75a98SMajd Dibbiny if (unlikely(err)) 4699c8d75a98SMajd Dibbiny goto out; 4700e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4701e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 4702e126ba97SEli Cohen if (unlikely((seg == qend))) 4703e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4704e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 4705e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 4706e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 4707e126ba97SEli Cohen if (unlikely((seg == qend))) 4708e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4709e126ba97SEli Cohen break; 4710e126ba97SEli Cohen 4711e126ba97SEli Cohen default: 4712e126ba97SEli Cohen break; 4713e126ba97SEli Cohen } 4714e126ba97SEli Cohen 4715e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 4716e126ba97SEli Cohen int uninitialized_var(sz); 4717e126ba97SEli Cohen 4718e126ba97SEli Cohen err = set_data_inl_seg(qp, wr, seg, &sz); 4719e126ba97SEli Cohen if (unlikely(err)) { 4720e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4721e126ba97SEli Cohen *bad_wr = wr; 4722e126ba97SEli Cohen goto out; 4723e126ba97SEli Cohen } 4724e126ba97SEli Cohen size += sz; 4725e126ba97SEli Cohen } else { 4726e126ba97SEli Cohen dpseg = seg; 4727e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 4728e126ba97SEli Cohen if (unlikely(dpseg == qend)) { 4729e126ba97SEli Cohen seg = mlx5_get_send_wqe(qp, 0); 4730e126ba97SEli Cohen dpseg = seg; 4731e126ba97SEli Cohen } 4732e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 4733e126ba97SEli Cohen set_data_ptr_seg(dpseg, wr->sg_list + i); 4734e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 4735e126ba97SEli Cohen dpseg++; 4736e126ba97SEli Cohen } 4737e126ba97SEli Cohen } 4738e126ba97SEli Cohen } 4739e126ba97SEli Cohen 47406e8484c5SMax Gurtovoy qp->next_fence = next_fence; 47416e8484c5SMax Gurtovoy finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, 47426e5eadacSSagi Grimberg mlx5_ib_opcode[wr->opcode]); 4743e6631814SSagi Grimberg skip_psv: 4744e126ba97SEli Cohen if (0) 4745e126ba97SEli Cohen dump_wqe(qp, idx, size); 4746e126ba97SEli Cohen } 4747e126ba97SEli Cohen 4748e126ba97SEli Cohen out: 4749e126ba97SEli Cohen if (likely(nreq)) { 4750e126ba97SEli Cohen qp->sq.head += nreq; 4751e126ba97SEli Cohen 4752e126ba97SEli Cohen /* Make sure that descriptors are written before 4753e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 4754e126ba97SEli Cohen */ 4755e126ba97SEli Cohen wmb(); 4756e126ba97SEli Cohen 4757e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 4758e126ba97SEli Cohen 4759ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 4760ada388f7SEli Cohen * we hit doorbell */ 4761ada388f7SEli Cohen wmb(); 4762ada388f7SEli Cohen 47635fe9dec0SEli Cohen /* currently we support only regular doorbells */ 47645fe9dec0SEli Cohen mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); 4765e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 4766e126ba97SEli Cohen * and reach the HCA out of order. 4767e126ba97SEli Cohen */ 4768e126ba97SEli Cohen mmiowb(); 4769e126ba97SEli Cohen bf->offset ^= bf->buf_size; 4770e126ba97SEli Cohen } 4771e126ba97SEli Cohen 4772e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 4773e126ba97SEli Cohen 4774e126ba97SEli Cohen return err; 4775e126ba97SEli Cohen } 4776e126ba97SEli Cohen 4777d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 4778d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 4779d0e84c0aSYishai Hadas { 4780d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 4781d0e84c0aSYishai Hadas } 4782d0e84c0aSYishai Hadas 4783e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 4784e126ba97SEli Cohen { 4785e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 4786e126ba97SEli Cohen } 4787e126ba97SEli Cohen 4788d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 4789d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 4790e126ba97SEli Cohen { 4791e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 4792e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 4793e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 479489ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 479589ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4796e126ba97SEli Cohen unsigned long flags; 4797e126ba97SEli Cohen int err = 0; 4798e126ba97SEli Cohen int nreq; 4799e126ba97SEli Cohen int ind; 4800e126ba97SEli Cohen int i; 4801e126ba97SEli Cohen 48026c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 48036c75520fSParav Pandit !drain)) { 48046c75520fSParav Pandit *bad_wr = wr; 48056c75520fSParav Pandit return -EIO; 48066c75520fSParav Pandit } 48076c75520fSParav Pandit 4808d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4809d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 4810d16e91daSHaggai Eran 4811e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 4812e126ba97SEli Cohen 4813e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 4814e126ba97SEli Cohen 4815e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4816e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 4817e126ba97SEli Cohen err = -ENOMEM; 4818e126ba97SEli Cohen *bad_wr = wr; 4819e126ba97SEli Cohen goto out; 4820e126ba97SEli Cohen } 4821e126ba97SEli Cohen 4822e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 4823e126ba97SEli Cohen err = -EINVAL; 4824e126ba97SEli Cohen *bad_wr = wr; 4825e126ba97SEli Cohen goto out; 4826e126ba97SEli Cohen } 4827e126ba97SEli Cohen 4828e126ba97SEli Cohen scat = get_recv_wqe(qp, ind); 4829e126ba97SEli Cohen if (qp->wq_sig) 4830e126ba97SEli Cohen scat++; 4831e126ba97SEli Cohen 4832e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 4833e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 4834e126ba97SEli Cohen 4835e126ba97SEli Cohen if (i < qp->rq.max_gs) { 4836e126ba97SEli Cohen scat[i].byte_count = 0; 4837e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 4838e126ba97SEli Cohen scat[i].addr = 0; 4839e126ba97SEli Cohen } 4840e126ba97SEli Cohen 4841e126ba97SEli Cohen if (qp->wq_sig) { 4842e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 4843e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 4844e126ba97SEli Cohen } 4845e126ba97SEli Cohen 4846e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 4847e126ba97SEli Cohen 4848e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 4849e126ba97SEli Cohen } 4850e126ba97SEli Cohen 4851e126ba97SEli Cohen out: 4852e126ba97SEli Cohen if (likely(nreq)) { 4853e126ba97SEli Cohen qp->rq.head += nreq; 4854e126ba97SEli Cohen 4855e126ba97SEli Cohen /* Make sure that descriptors are written before 4856e126ba97SEli Cohen * doorbell record. 4857e126ba97SEli Cohen */ 4858e126ba97SEli Cohen wmb(); 4859e126ba97SEli Cohen 4860e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 4861e126ba97SEli Cohen } 4862e126ba97SEli Cohen 4863e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 4864e126ba97SEli Cohen 4865e126ba97SEli Cohen return err; 4866e126ba97SEli Cohen } 4867e126ba97SEli Cohen 4868d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 4869d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 4870d0e84c0aSYishai Hadas { 4871d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 4872d0e84c0aSYishai Hadas } 4873d0e84c0aSYishai Hadas 4874e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 4875e126ba97SEli Cohen { 4876e126ba97SEli Cohen switch (mlx5_state) { 4877e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 4878e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 4879e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 4880e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 4881e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 4882e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 4883e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 4884e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 4885e126ba97SEli Cohen default: return -1; 4886e126ba97SEli Cohen } 4887e126ba97SEli Cohen } 4888e126ba97SEli Cohen 4889e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 4890e126ba97SEli Cohen { 4891e126ba97SEli Cohen switch (mlx5_mig_state) { 4892e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 4893e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 4894e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 4895e126ba97SEli Cohen default: return -1; 4896e126ba97SEli Cohen } 4897e126ba97SEli Cohen } 4898e126ba97SEli Cohen 4899e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 4900e126ba97SEli Cohen { 4901e126ba97SEli Cohen int ib_flags = 0; 4902e126ba97SEli Cohen 4903e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 4904e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 4905e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 4906e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 4907e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 4908e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 4909e126ba97SEli Cohen 4910e126ba97SEli Cohen return ib_flags; 4911e126ba97SEli Cohen } 4912e126ba97SEli Cohen 491338349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 4914d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 4915e126ba97SEli Cohen struct mlx5_qp_path *path) 4916e126ba97SEli Cohen { 4917e126ba97SEli Cohen 4918d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 4919e126ba97SEli Cohen 4920e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 4921e126ba97SEli Cohen return; 4922e126ba97SEli Cohen 4923ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 4924ae59c3f0SLeon Romanovsky 4925d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 4926d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 4927e126ba97SEli Cohen 4928d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 4929d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 4930d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 4931d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 4932d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 4933d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 4934d8966fcdSDasaratharaman Chandramouli 4935d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 4936d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 4937d8966fcdSDasaratharaman Chandramouli path->mgid_index, 4938d8966fcdSDasaratharaman Chandramouli path->hop_limit, 4939d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 4940d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 4941e126ba97SEli Cohen } 4942e126ba97SEli Cohen } 4943e126ba97SEli Cohen 49446d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 49456d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 49466d2f89dfSmajd@mellanox.com u8 *sq_state) 4947e126ba97SEli Cohen { 49486d2f89dfSmajd@mellanox.com int err; 49496d2f89dfSmajd@mellanox.com 495028160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 49516d2f89dfSmajd@mellanox.com if (err) 49526d2f89dfSmajd@mellanox.com goto out; 49536d2f89dfSmajd@mellanox.com sq->state = *sq_state; 49546d2f89dfSmajd@mellanox.com 49556d2f89dfSmajd@mellanox.com out: 49566d2f89dfSmajd@mellanox.com return err; 49576d2f89dfSmajd@mellanox.com } 49586d2f89dfSmajd@mellanox.com 49596d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 49606d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 49616d2f89dfSmajd@mellanox.com u8 *rq_state) 49626d2f89dfSmajd@mellanox.com { 49636d2f89dfSmajd@mellanox.com void *out; 49646d2f89dfSmajd@mellanox.com void *rqc; 49656d2f89dfSmajd@mellanox.com int inlen; 49666d2f89dfSmajd@mellanox.com int err; 49676d2f89dfSmajd@mellanox.com 49686d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 49691b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 49706d2f89dfSmajd@mellanox.com if (!out) 49716d2f89dfSmajd@mellanox.com return -ENOMEM; 49726d2f89dfSmajd@mellanox.com 49736d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 49746d2f89dfSmajd@mellanox.com if (err) 49756d2f89dfSmajd@mellanox.com goto out; 49766d2f89dfSmajd@mellanox.com 49776d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 49786d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 49796d2f89dfSmajd@mellanox.com rq->state = *rq_state; 49806d2f89dfSmajd@mellanox.com 49816d2f89dfSmajd@mellanox.com out: 49826d2f89dfSmajd@mellanox.com kvfree(out); 49836d2f89dfSmajd@mellanox.com return err; 49846d2f89dfSmajd@mellanox.com } 49856d2f89dfSmajd@mellanox.com 49866d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 49876d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 49886d2f89dfSmajd@mellanox.com { 49896d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 49906d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 49916d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 49926d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 49936d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 49946d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 49956d2f89dfSmajd@mellanox.com }, 49966d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 49976d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 49986d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 49996d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 50006d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 50016d2f89dfSmajd@mellanox.com }, 50026d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 50036d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 50046d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 50056d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 50066d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 50076d2f89dfSmajd@mellanox.com }, 50086d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 50096d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 50106d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 50116d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 50126d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 50136d2f89dfSmajd@mellanox.com }, 50146d2f89dfSmajd@mellanox.com }; 50156d2f89dfSmajd@mellanox.com 50166d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 50176d2f89dfSmajd@mellanox.com 50186d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 50196d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 50206d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 50216d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 50226d2f89dfSmajd@mellanox.com return -EINVAL; 50236d2f89dfSmajd@mellanox.com } 50246d2f89dfSmajd@mellanox.com 50256d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 50266d2f89dfSmajd@mellanox.com *qp_state = qp->state; 50276d2f89dfSmajd@mellanox.com 50286d2f89dfSmajd@mellanox.com return 0; 50296d2f89dfSmajd@mellanox.com } 50306d2f89dfSmajd@mellanox.com 50316d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 50326d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 50336d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 50346d2f89dfSmajd@mellanox.com { 50356d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 50366d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 50376d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 50386d2f89dfSmajd@mellanox.com int err; 50396d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 50406d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 50416d2f89dfSmajd@mellanox.com 50426d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 50436d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 50446d2f89dfSmajd@mellanox.com if (err) 50456d2f89dfSmajd@mellanox.com return err; 50466d2f89dfSmajd@mellanox.com } 50476d2f89dfSmajd@mellanox.com 50486d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 50496d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 50506d2f89dfSmajd@mellanox.com if (err) 50516d2f89dfSmajd@mellanox.com return err; 50526d2f89dfSmajd@mellanox.com } 50536d2f89dfSmajd@mellanox.com 50546d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 50556d2f89dfSmajd@mellanox.com raw_packet_qp_state); 50566d2f89dfSmajd@mellanox.com } 50576d2f89dfSmajd@mellanox.com 50586d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 50596d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 50606d2f89dfSmajd@mellanox.com { 506109a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5062e126ba97SEli Cohen struct mlx5_qp_context *context; 5063e126ba97SEli Cohen int mlx5_state; 506409a7d9ecSSaeed Mahameed u32 *outb; 5065e126ba97SEli Cohen int err = 0; 5066e126ba97SEli Cohen 506709a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 50686d2f89dfSmajd@mellanox.com if (!outb) 50696d2f89dfSmajd@mellanox.com return -ENOMEM; 50706d2f89dfSmajd@mellanox.com 507119098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 507209a7d9ecSSaeed Mahameed outlen); 5073e126ba97SEli Cohen if (err) 50746d2f89dfSmajd@mellanox.com goto out; 5075e126ba97SEli Cohen 507609a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 507709a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 507809a7d9ecSSaeed Mahameed 5079e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5080e126ba97SEli Cohen 5081e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5082e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5083e126ba97SEli Cohen qp_attr->path_mig_state = 5084e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5085e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5086e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5087e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5088e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5089e126ba97SEli Cohen qp_attr->qp_access_flags = 5090e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5091e126ba97SEli Cohen 5092e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 509338349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 509438349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5095d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5096d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5097d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5098d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5099e126ba97SEli Cohen } 5100e126ba97SEli Cohen 5101d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5102e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5103e126ba97SEli Cohen 5104e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5105e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5106e126ba97SEli Cohen 5107e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5108e126ba97SEli Cohen 5109e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5110e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5111e126ba97SEli Cohen qp_attr->min_rnr_timer = 5112e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5113e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5114e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5115e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5116e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 51176d2f89dfSmajd@mellanox.com 51186d2f89dfSmajd@mellanox.com out: 51196d2f89dfSmajd@mellanox.com kfree(outb); 51206d2f89dfSmajd@mellanox.com return err; 51216d2f89dfSmajd@mellanox.com } 51226d2f89dfSmajd@mellanox.com 5123776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5124776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5125776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5126776a3906SMoni Shoua { 5127776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5128776a3906SMoni Shoua u32 *out; 5129776a3906SMoni Shoua u32 access_flags = 0; 5130776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5131776a3906SMoni Shoua void *dctc; 5132776a3906SMoni Shoua int err; 5133776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5134776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5135776a3906SMoni Shoua IB_QP_PORT | 5136776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5137776a3906SMoni Shoua IB_QP_AV | 5138776a3906SMoni Shoua IB_QP_PATH_MTU | 5139776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5140776a3906SMoni Shoua 5141776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5142776a3906SMoni Shoua return -EINVAL; 5143776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5144776a3906SMoni Shoua return -EINVAL; 5145776a3906SMoni Shoua 5146776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5147776a3906SMoni Shoua if (!out) 5148776a3906SMoni Shoua return -ENOMEM; 5149776a3906SMoni Shoua 5150776a3906SMoni Shoua err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); 5151776a3906SMoni Shoua if (err) 5152776a3906SMoni Shoua goto out; 5153776a3906SMoni Shoua 5154776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5155776a3906SMoni Shoua 5156776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5157776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5158776a3906SMoni Shoua 5159776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5160776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5161776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5162776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5163776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5164776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5165776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5166776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5167776a3906SMoni Shoua } 5168776a3906SMoni Shoua 5169776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5170776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5171776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5172776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5173776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5174776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5175776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5176776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5177776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5178776a3906SMoni Shoua } 5179776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5180776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5181776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5182776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5183776a3906SMoni Shoua out: 5184776a3906SMoni Shoua kfree(out); 5185776a3906SMoni Shoua return err; 5186776a3906SMoni Shoua } 5187776a3906SMoni Shoua 51886d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 51896d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 51906d2f89dfSmajd@mellanox.com { 51916d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 51926d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 51936d2f89dfSmajd@mellanox.com int err = 0; 51946d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 51956d2f89dfSmajd@mellanox.com 519628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 519728d61370SYishai Hadas return -ENOSYS; 519828d61370SYishai Hadas 5199d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5200d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5201d16e91daSHaggai Eran qp_init_attr); 5202d16e91daSHaggai Eran 5203c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5204c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5205c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5206c2e53b2cSYishai Hadas 5207776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5208776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5209776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5210776a3906SMoni Shoua 52116d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 52126d2f89dfSmajd@mellanox.com 5213c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 5214c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 52156d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 52166d2f89dfSmajd@mellanox.com if (err) 52176d2f89dfSmajd@mellanox.com goto out; 52186d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 52196d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 52206d2f89dfSmajd@mellanox.com } else { 52216d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 52226d2f89dfSmajd@mellanox.com if (err) 52236d2f89dfSmajd@mellanox.com goto out; 52246d2f89dfSmajd@mellanox.com } 52256d2f89dfSmajd@mellanox.com 52266d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5227e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5228e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5229e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5230e126ba97SEli Cohen 5231e126ba97SEli Cohen if (!ibqp->uobject) { 52320540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5233e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 52340540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5235e126ba97SEli Cohen } else { 5236e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5237e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5238e126ba97SEli Cohen } 5239e126ba97SEli Cohen 52400540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 52410540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 52420540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 52430540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 52440540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5245e126ba97SEli Cohen 5246e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5247e126ba97SEli Cohen 5248e126ba97SEli Cohen qp_init_attr->create_flags = 0; 5249e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 5250e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5251e126ba97SEli Cohen 5252051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 5253051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 5254051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 5255051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 5256051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 5257051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 5258b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 5259b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 5260051f2630SLeon Romanovsky 5261e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5262e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5263e126ba97SEli Cohen 5264e126ba97SEli Cohen out: 5265e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5266e126ba97SEli Cohen return err; 5267e126ba97SEli Cohen } 5268e126ba97SEli Cohen 5269e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5270e126ba97SEli Cohen struct ib_ucontext *context, 5271e126ba97SEli Cohen struct ib_udata *udata) 5272e126ba97SEli Cohen { 5273e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5274e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5275e126ba97SEli Cohen int err; 5276e126ba97SEli Cohen 5277938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5278e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5279e126ba97SEli Cohen 5280e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5281e126ba97SEli Cohen if (!xrcd) 5282e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5283e126ba97SEli Cohen 52849603b61dSJack Morgenstein err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); 5285e126ba97SEli Cohen if (err) { 5286e126ba97SEli Cohen kfree(xrcd); 5287e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5288e126ba97SEli Cohen } 5289e126ba97SEli Cohen 5290e126ba97SEli Cohen return &xrcd->ibxrcd; 5291e126ba97SEli Cohen } 5292e126ba97SEli Cohen 5293e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) 5294e126ba97SEli Cohen { 5295e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5296e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5297e126ba97SEli Cohen int err; 5298e126ba97SEli Cohen 52999603b61dSJack Morgenstein err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); 5300b081808aSLeon Romanovsky if (err) 5301e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5302e126ba97SEli Cohen 5303e126ba97SEli Cohen kfree(xrcd); 5304e126ba97SEli Cohen return 0; 5305e126ba97SEli Cohen } 530679b20a6cSYishai Hadas 5307350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5308350d0e4cSYishai Hadas { 5309350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5310350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5311350d0e4cSYishai Hadas struct ib_event event; 5312350d0e4cSYishai Hadas 5313350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5314350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5315350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5316350d0e4cSYishai Hadas switch (type) { 5317350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5318350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5319350d0e4cSYishai Hadas break; 5320350d0e4cSYishai Hadas default: 5321350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5322350d0e4cSYishai Hadas return; 5323350d0e4cSYishai Hadas } 5324350d0e4cSYishai Hadas 5325350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5326350d0e4cSYishai Hadas } 5327350d0e4cSYishai Hadas } 5328350d0e4cSYishai Hadas 532903404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 533003404e8aSMaor Gottlieb { 533103404e8aSMaor Gottlieb int err = 0; 533203404e8aSMaor Gottlieb 533303404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 533403404e8aSMaor Gottlieb if (dev->delay_drop.activate) 533503404e8aSMaor Gottlieb goto out; 533603404e8aSMaor Gottlieb 533703404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 533803404e8aSMaor Gottlieb if (err) 533903404e8aSMaor Gottlieb goto out; 534003404e8aSMaor Gottlieb 534103404e8aSMaor Gottlieb dev->delay_drop.activate = true; 534203404e8aSMaor Gottlieb out: 534303404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5344fe248c3aSMaor Gottlieb 5345fe248c3aSMaor Gottlieb if (!err) 5346fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 534703404e8aSMaor Gottlieb return err; 534803404e8aSMaor Gottlieb } 534903404e8aSMaor Gottlieb 535079b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 535179b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 535279b20a6cSYishai Hadas { 535379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 53544be6da1eSNoa Osherovich int has_net_offloads; 535579b20a6cSYishai Hadas __be64 *rq_pas0; 535679b20a6cSYishai Hadas void *in; 535779b20a6cSYishai Hadas void *rqc; 535879b20a6cSYishai Hadas void *wq; 535979b20a6cSYishai Hadas int inlen; 536079b20a6cSYishai Hadas int err; 536179b20a6cSYishai Hadas 536279b20a6cSYishai Hadas dev = to_mdev(pd->device); 536379b20a6cSYishai Hadas 536479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 53651b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 536679b20a6cSYishai Hadas if (!in) 536779b20a6cSYishai Hadas return -ENOMEM; 536879b20a6cSYishai Hadas 536934d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 537079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 537179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 537279b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 537379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 537479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 537579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 537679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 537779b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5378ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 5379ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 5380ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 5381b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5382b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 5383b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 5384b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5385b1383aa6SNoa Osherovich goto out; 5386b1383aa6SNoa Osherovich } else { 538779b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 5388b1383aa6SNoa Osherovich } 5389b1383aa6SNoa Osherovich } 539079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 5391ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 5392ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 5393ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 5394ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 5395ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 5396ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 5397ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 5398ccc87087SNoa Osherovich } 539979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 540079b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 540179b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 540279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 540379b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 540479b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 54054be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 5406b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 54074be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5408b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 5409b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5410b1f74a84SNoa Osherovich goto out; 5411b1f74a84SNoa Osherovich } 5412b1f74a84SNoa Osherovich } else { 5413b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 5414b1f74a84SNoa Osherovich } 54154be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 54164be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 54174be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 54184be6da1eSNoa Osherovich err = -EOPNOTSUPP; 54194be6da1eSNoa Osherovich goto out; 54204be6da1eSNoa Osherovich } 54214be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 54224be6da1eSNoa Osherovich } 542303404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 542403404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 542503404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 542603404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 542703404e8aSMaor Gottlieb err = -EOPNOTSUPP; 542803404e8aSMaor Gottlieb goto out; 542903404e8aSMaor Gottlieb } 543003404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 543103404e8aSMaor Gottlieb } 543279b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 543379b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 5434350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 543503404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 543603404e8aSMaor Gottlieb err = set_delay_drop(dev); 543703404e8aSMaor Gottlieb if (err) { 543803404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 543903404e8aSMaor Gottlieb err); 544003404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 544103404e8aSMaor Gottlieb } else { 544203404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 544303404e8aSMaor Gottlieb } 544403404e8aSMaor Gottlieb } 5445b1f74a84SNoa Osherovich out: 544679b20a6cSYishai Hadas kvfree(in); 544779b20a6cSYishai Hadas return err; 544879b20a6cSYishai Hadas } 544979b20a6cSYishai Hadas 545079b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 545179b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 545279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 545379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 545479b20a6cSYishai Hadas { 545579b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 545679b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 545779b20a6cSYishai Hadas return -EINVAL; 545879b20a6cSYishai Hadas 545979b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 546079b20a6cSYishai Hadas return -EINVAL; 546179b20a6cSYishai Hadas 546279b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 546379b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 54640dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 54650dfe4522SLeon Romanovsky return -EINVAL; 54660dfe4522SLeon Romanovsky 546779b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 546879b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 546979b20a6cSYishai Hadas return 0; 547079b20a6cSYishai Hadas } 547179b20a6cSYishai Hadas 547279b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 547379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 547479b20a6cSYishai Hadas struct ib_udata *udata, 547579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 547679b20a6cSYishai Hadas { 547779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 547879b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 547979b20a6cSYishai Hadas int err; 548079b20a6cSYishai Hadas size_t required_cmd_sz; 548179b20a6cSYishai Hadas 5482ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 5483ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 548479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 548579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 548679b20a6cSYishai Hadas return -EINVAL; 548779b20a6cSYishai Hadas } 548879b20a6cSYishai Hadas 548979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 549079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 549179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 549279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 549379b20a6cSYishai Hadas return -EOPNOTSUPP; 549479b20a6cSYishai Hadas } 549579b20a6cSYishai Hadas 549679b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 549779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 549879b20a6cSYishai Hadas return -EFAULT; 549979b20a6cSYishai Hadas } 550079b20a6cSYishai Hadas 5501ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 550279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 550379b20a6cSYishai Hadas return -EOPNOTSUPP; 5504ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5505ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5506ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 550779b20a6cSYishai Hadas return -EOPNOTSUPP; 550879b20a6cSYishai Hadas } 5509ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5510ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5511ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5512ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5513ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5514ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5515ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5516ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5517ccc87087SNoa Osherovich return -EINVAL; 5518ccc87087SNoa Osherovich } 5519ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 5520ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5521ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 5522ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 5523ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 5524ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5525ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5526ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5527ccc87087SNoa Osherovich return -EINVAL; 5528ccc87087SNoa Osherovich } 5529ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5530ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5531ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5532ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5533ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5534ccc87087SNoa Osherovich } 553579b20a6cSYishai Hadas 553679b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 553779b20a6cSYishai Hadas if (err) { 553879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 553979b20a6cSYishai Hadas return err; 554079b20a6cSYishai Hadas } 554179b20a6cSYishai Hadas 554279b20a6cSYishai Hadas err = create_user_rq(dev, pd, rwq, &ucmd); 554379b20a6cSYishai Hadas if (err) { 554479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 554579b20a6cSYishai Hadas if (err) 554679b20a6cSYishai Hadas return err; 554779b20a6cSYishai Hadas } 554879b20a6cSYishai Hadas 554979b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 555079b20a6cSYishai Hadas return 0; 555179b20a6cSYishai Hadas } 555279b20a6cSYishai Hadas 555379b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 555479b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 555579b20a6cSYishai Hadas struct ib_udata *udata) 555679b20a6cSYishai Hadas { 555779b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 555879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 555979b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 556079b20a6cSYishai Hadas size_t min_resp_len; 556179b20a6cSYishai Hadas int err; 556279b20a6cSYishai Hadas 556379b20a6cSYishai Hadas if (!udata) 556479b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 556579b20a6cSYishai Hadas 556679b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 556779b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 556879b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 556979b20a6cSYishai Hadas 557079b20a6cSYishai Hadas dev = to_mdev(pd->device); 557179b20a6cSYishai Hadas switch (init_attr->wq_type) { 557279b20a6cSYishai Hadas case IB_WQT_RQ: 557379b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 557479b20a6cSYishai Hadas if (!rwq) 557579b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 557679b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 557779b20a6cSYishai Hadas if (err) 557879b20a6cSYishai Hadas goto err; 557979b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 558079b20a6cSYishai Hadas if (err) 558179b20a6cSYishai Hadas goto err_user_rq; 558279b20a6cSYishai Hadas break; 558379b20a6cSYishai Hadas default: 558479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 558579b20a6cSYishai Hadas init_attr->wq_type); 558679b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 558779b20a6cSYishai Hadas } 558879b20a6cSYishai Hadas 5589350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 559079b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 559179b20a6cSYishai Hadas if (udata->outlen) { 559279b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 559379b20a6cSYishai Hadas sizeof(resp.response_length); 559479b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 559579b20a6cSYishai Hadas if (err) 559679b20a6cSYishai Hadas goto err_copy; 559779b20a6cSYishai Hadas } 559879b20a6cSYishai Hadas 5599350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5600350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 560179b20a6cSYishai Hadas return &rwq->ibwq; 560279b20a6cSYishai Hadas 560379b20a6cSYishai Hadas err_copy: 5604350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 560579b20a6cSYishai Hadas err_user_rq: 5606fe248c3aSMaor Gottlieb destroy_user_rq(dev, pd, rwq); 560779b20a6cSYishai Hadas err: 560879b20a6cSYishai Hadas kfree(rwq); 560979b20a6cSYishai Hadas return ERR_PTR(err); 561079b20a6cSYishai Hadas } 561179b20a6cSYishai Hadas 561279b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq) 561379b20a6cSYishai Hadas { 561479b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 561579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 561679b20a6cSYishai Hadas 5617350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 5618fe248c3aSMaor Gottlieb destroy_user_rq(dev, wq->pd, rwq); 561979b20a6cSYishai Hadas kfree(rwq); 562079b20a6cSYishai Hadas 562179b20a6cSYishai Hadas return 0; 562279b20a6cSYishai Hadas } 562379b20a6cSYishai Hadas 5624c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 5625c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 5626c5f90929SYishai Hadas struct ib_udata *udata) 5627c5f90929SYishai Hadas { 5628c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 5629c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 5630c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 5631c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 5632c5f90929SYishai Hadas size_t min_resp_len; 5633c5f90929SYishai Hadas int inlen; 5634c5f90929SYishai Hadas int err; 5635c5f90929SYishai Hadas int i; 5636c5f90929SYishai Hadas u32 *in; 5637c5f90929SYishai Hadas void *rqtc; 5638c5f90929SYishai Hadas 5639c5f90929SYishai Hadas if (udata->inlen > 0 && 5640c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 5641c5f90929SYishai Hadas udata->inlen)) 5642c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 5643c5f90929SYishai Hadas 5644efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 5645efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 5646efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 5647efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 5648efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 5649efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 5650efd7f400SMaor Gottlieb } 5651efd7f400SMaor Gottlieb 5652c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 5653c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 5654c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 5655c5f90929SYishai Hadas 5656c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 5657c5f90929SYishai Hadas if (!rwq_ind_tbl) 5658c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 5659c5f90929SYishai Hadas 5660c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 56611b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 5662c5f90929SYishai Hadas if (!in) { 5663c5f90929SYishai Hadas err = -ENOMEM; 5664c5f90929SYishai Hadas goto err; 5665c5f90929SYishai Hadas } 5666c5f90929SYishai Hadas 5667c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5668c5f90929SYishai Hadas 5669c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5670c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5671c5f90929SYishai Hadas 5672c5f90929SYishai Hadas for (i = 0; i < sz; i++) 5673c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 5674c5f90929SYishai Hadas 5675c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 5676c5f90929SYishai Hadas kvfree(in); 5677c5f90929SYishai Hadas 5678c5f90929SYishai Hadas if (err) 5679c5f90929SYishai Hadas goto err; 5680c5f90929SYishai Hadas 5681c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 5682c5f90929SYishai Hadas if (udata->outlen) { 5683c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 5684c5f90929SYishai Hadas sizeof(resp.response_length); 5685c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 5686c5f90929SYishai Hadas if (err) 5687c5f90929SYishai Hadas goto err_copy; 5688c5f90929SYishai Hadas } 5689c5f90929SYishai Hadas 5690c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 5691c5f90929SYishai Hadas 5692c5f90929SYishai Hadas err_copy: 5693c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5694c5f90929SYishai Hadas err: 5695c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5696c5f90929SYishai Hadas return ERR_PTR(err); 5697c5f90929SYishai Hadas } 5698c5f90929SYishai Hadas 5699c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 5700c5f90929SYishai Hadas { 5701c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 5702c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 5703c5f90929SYishai Hadas 5704c5f90929SYishai Hadas mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); 5705c5f90929SYishai Hadas 5706c5f90929SYishai Hadas kfree(rwq_ind_tbl); 5707c5f90929SYishai Hadas return 0; 5708c5f90929SYishai Hadas } 5709c5f90929SYishai Hadas 571079b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 571179b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 571279b20a6cSYishai Hadas { 571379b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 571479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 571579b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 571679b20a6cSYishai Hadas size_t required_cmd_sz; 571779b20a6cSYishai Hadas int curr_wq_state; 571879b20a6cSYishai Hadas int wq_state; 571979b20a6cSYishai Hadas int inlen; 572079b20a6cSYishai Hadas int err; 572179b20a6cSYishai Hadas void *rqc; 572279b20a6cSYishai Hadas void *in; 572379b20a6cSYishai Hadas 572479b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 572579b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 572679b20a6cSYishai Hadas return -EINVAL; 572779b20a6cSYishai Hadas 572879b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 572979b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 573079b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 573179b20a6cSYishai Hadas return -EOPNOTSUPP; 573279b20a6cSYishai Hadas 573379b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 573479b20a6cSYishai Hadas return -EFAULT; 573579b20a6cSYishai Hadas 573679b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 573779b20a6cSYishai Hadas return -EOPNOTSUPP; 573879b20a6cSYishai Hadas 573979b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 57401b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 574179b20a6cSYishai Hadas if (!in) 574279b20a6cSYishai Hadas return -ENOMEM; 574379b20a6cSYishai Hadas 574479b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 574579b20a6cSYishai Hadas 574679b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 574779b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 574879b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 574979b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 575079b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 575179b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 575279b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 575379b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 575479b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 575534d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 575679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 575779b20a6cSYishai Hadas 5758b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 5759b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 5760b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 5761b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5762b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 5763b1f74a84SNoa Osherovich "supported\n"); 5764b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5765b1f74a84SNoa Osherovich goto out; 5766b1f74a84SNoa Osherovich } 5767b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 5768b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 5769b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 5770b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 5771b1f74a84SNoa Osherovich } 5772b1383aa6SNoa Osherovich 5773b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5774b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 5775b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5776b1383aa6SNoa Osherovich goto out; 5777b1383aa6SNoa Osherovich } 5778b1f74a84SNoa Osherovich } 5779b1f74a84SNoa Osherovich 578023a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 578123a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 578223a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 578323a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 5784e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 5785e1f24a79SParav Pandit dev->port->cnts.set_id); 578623a6964eSMajd Dibbiny } else 578723a6964eSMajd Dibbiny pr_info_once("%s: Receive WQ counters are not supported on current FW\n", 578823a6964eSMajd Dibbiny dev->ib_dev.name); 578923a6964eSMajd Dibbiny } 579023a6964eSMajd Dibbiny 5791350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 579279b20a6cSYishai Hadas if (!err) 579379b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 579479b20a6cSYishai Hadas 5795b1f74a84SNoa Osherovich out: 5796b1f74a84SNoa Osherovich kvfree(in); 579779b20a6cSYishai Hadas return err; 579879b20a6cSYishai Hadas } 5799d0e84c0aSYishai Hadas 5800d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 5801d0e84c0aSYishai Hadas struct ib_cqe cqe; 5802d0e84c0aSYishai Hadas struct completion done; 5803d0e84c0aSYishai Hadas }; 5804d0e84c0aSYishai Hadas 5805d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 5806d0e84c0aSYishai Hadas { 5807d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 5808d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 5809d0e84c0aSYishai Hadas cqe); 5810d0e84c0aSYishai Hadas 5811d0e84c0aSYishai Hadas complete(&cqe->done); 5812d0e84c0aSYishai Hadas } 5813d0e84c0aSYishai Hadas 5814d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 5815d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 5816d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 5817d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 5818d0e84c0aSYishai Hadas { 5819d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5820d0e84c0aSYishai Hadas 5821d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 5822d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 5823d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 5824d0e84c0aSYishai Hadas return; 5825d0e84c0aSYishai Hadas } 5826d0e84c0aSYishai Hadas 5827d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5828d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 5829d0e84c0aSYishai Hadas bool triggered = false; 5830d0e84c0aSYishai Hadas unsigned long flags; 5831d0e84c0aSYishai Hadas 5832d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 5833d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 5834d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 5835d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 5836d0e84c0aSYishai Hadas else 5837d0e84c0aSYishai Hadas triggered = true; 5838d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 5839d0e84c0aSYishai Hadas 5840d0e84c0aSYishai Hadas if (triggered) { 5841d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 5842d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 5843d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 5844d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 5845d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 5846d0e84c0aSYishai Hadas break; 5847d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 5848d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 5849d0e84c0aSYishai Hadas break; 5850d0e84c0aSYishai Hadas default: 5851d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 5852d0e84c0aSYishai Hadas } 5853d0e84c0aSYishai Hadas } 5854d0e84c0aSYishai Hadas 5855d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 5856d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 5857d0e84c0aSYishai Hadas */ 5858d0e84c0aSYishai Hadas mcq->mcq.comp(&mcq->mcq); 5859d0e84c0aSYishai Hadas } 5860d0e84c0aSYishai Hadas 5861d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 5862d0e84c0aSYishai Hadas } 5863d0e84c0aSYishai Hadas 5864d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 5865d0e84c0aSYishai Hadas { 5866d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 5867d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5868d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 5869d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 5870d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 5871d0e84c0aSYishai Hadas .wr = { 5872d0e84c0aSYishai Hadas .next = NULL, 5873d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 5874d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 5875d0e84c0aSYishai Hadas }, 5876d0e84c0aSYishai Hadas }; 5877d0e84c0aSYishai Hadas int ret; 5878d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5879d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5880d0e84c0aSYishai Hadas 5881d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5882d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5883d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5884d0e84c0aSYishai Hadas return; 5885d0e84c0aSYishai Hadas } 5886d0e84c0aSYishai Hadas 5887d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 5888d0e84c0aSYishai Hadas init_completion(&sdrain.done); 5889d0e84c0aSYishai Hadas 5890d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 5891d0e84c0aSYishai Hadas if (ret) { 5892d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 5893d0e84c0aSYishai Hadas return; 5894d0e84c0aSYishai Hadas } 5895d0e84c0aSYishai Hadas 5896d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 5897d0e84c0aSYishai Hadas } 5898d0e84c0aSYishai Hadas 5899d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 5900d0e84c0aSYishai Hadas { 5901d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 5902d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 5903d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 5904d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 5905d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 5906d0e84c0aSYishai Hadas int ret; 5907d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 5908d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 5909d0e84c0aSYishai Hadas 5910d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 5911d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 5912d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5913d0e84c0aSYishai Hadas return; 5914d0e84c0aSYishai Hadas } 5915d0e84c0aSYishai Hadas 5916d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 5917d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 5918d0e84c0aSYishai Hadas init_completion(&rdrain.done); 5919d0e84c0aSYishai Hadas 5920d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 5921d0e84c0aSYishai Hadas if (ret) { 5922d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 5923d0e84c0aSYishai Hadas return; 5924d0e84c0aSYishai Hadas } 5925d0e84c0aSYishai Hadas 5926d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 5927d0e84c0aSYishai Hadas } 5928