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; 95d5ed8ac3SMark Bloch u16 port; 960680efa2SAlex Vesker }; 970680efa2SAlex Vesker 9889ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 9989ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 10089ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10189ea94a7SMaor Gottlieb 102e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 103e126ba97SEli Cohen { 104e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 105e126ba97SEli Cohen } 106e126ba97SEli Cohen 107e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 108e126ba97SEli Cohen { 109e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 110e126ba97SEli Cohen } 111e126ba97SEli Cohen 112c1395a2aSHaggai Eran /** 113fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 114fbeb4075SMoni Shoua * to kernel buffer 115c1395a2aSHaggai Eran * 116fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 117fbeb4075SMoni Shoua * @buffer: buffer to copy to 118fbeb4075SMoni Shoua * @buflen: buffer length 119fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 120fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 121fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 122fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 123fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 124fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 125c1395a2aSHaggai Eran * 126fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 127fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 128c1395a2aSHaggai Eran * 129fbeb4075SMoni Shoua * Return: zero on success, or an error code. 130c1395a2aSHaggai Eran */ 131fbeb4075SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, 132fbeb4075SMoni Shoua void *buffer, 133fbeb4075SMoni Shoua u32 buflen, 134fbeb4075SMoni Shoua int wqe_index, 135fbeb4075SMoni Shoua int wq_offset, 136fbeb4075SMoni Shoua int wq_wqe_cnt, 137fbeb4075SMoni Shoua int wq_wqe_shift, 138fbeb4075SMoni Shoua int bcnt, 139fbeb4075SMoni Shoua size_t *bytes_copied) 140c1395a2aSHaggai Eran { 141fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 142fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 143fbeb4075SMoni Shoua size_t copy_length; 144c1395a2aSHaggai Eran int ret; 145c1395a2aSHaggai Eran 146fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 147fbeb4075SMoni Shoua * beyond WQ end 148fbeb4075SMoni Shoua */ 149fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 150fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 151c1395a2aSHaggai Eran 152fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 153c1395a2aSHaggai Eran if (ret) 154c1395a2aSHaggai Eran return ret; 155c1395a2aSHaggai Eran 156fbeb4075SMoni Shoua if (!ret && bytes_copied) 157fbeb4075SMoni Shoua *bytes_copied = copy_length; 158c1395a2aSHaggai Eran 159fbeb4075SMoni Shoua return 0; 160fbeb4075SMoni Shoua } 161fbeb4075SMoni Shoua 162fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, 163fbeb4075SMoni Shoua int wqe_index, 164fbeb4075SMoni Shoua void *buffer, 165fbeb4075SMoni Shoua int buflen, 166fbeb4075SMoni Shoua size_t *bc) 167fbeb4075SMoni Shoua { 168fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 169fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 170fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 171fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 172fbeb4075SMoni Shoua size_t bytes_copied; 173fbeb4075SMoni Shoua size_t bytes_copied2; 174fbeb4075SMoni Shoua size_t wqe_length; 175fbeb4075SMoni Shoua int ret; 176fbeb4075SMoni Shoua int ds; 177fbeb4075SMoni Shoua 178fbeb4075SMoni Shoua if (buflen < sizeof(*ctrl)) 179fbeb4075SMoni Shoua return -EINVAL; 180fbeb4075SMoni Shoua 181fbeb4075SMoni Shoua /* at first read as much as possible */ 182fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 183fbeb4075SMoni Shoua buffer, 184fbeb4075SMoni Shoua buflen, 185fbeb4075SMoni Shoua wqe_index, 186fbeb4075SMoni Shoua wq->offset, 187fbeb4075SMoni Shoua wq->wqe_cnt, 188fbeb4075SMoni Shoua wq->wqe_shift, 189fbeb4075SMoni Shoua buflen, 190fbeb4075SMoni Shoua &bytes_copied); 191fbeb4075SMoni Shoua if (ret) 192fbeb4075SMoni Shoua return ret; 193fbeb4075SMoni Shoua 194fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 195fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 196fbeb4075SMoni Shoua return -EINVAL; 197fbeb4075SMoni Shoua 198fbeb4075SMoni Shoua ctrl = buffer; 199fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 200c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 201fbeb4075SMoni Shoua 202fbeb4075SMoni Shoua /* if we copied enough then we are done */ 203fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 204fbeb4075SMoni Shoua *bc = bytes_copied; 205fbeb4075SMoni Shoua return 0; 206c1395a2aSHaggai Eran } 207c1395a2aSHaggai Eran 208fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 209fbeb4075SMoni Shoua * so read the remaining bytes starting 210fbeb4075SMoni Shoua * from wqe_index 0 211fbeb4075SMoni Shoua */ 212fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 213fbeb4075SMoni Shoua buffer + bytes_copied, 214fbeb4075SMoni Shoua buflen - bytes_copied, 215fbeb4075SMoni Shoua 0, 216fbeb4075SMoni Shoua wq->offset, 217fbeb4075SMoni Shoua wq->wqe_cnt, 218fbeb4075SMoni Shoua wq->wqe_shift, 219fbeb4075SMoni Shoua wqe_length - bytes_copied, 220fbeb4075SMoni Shoua &bytes_copied2); 221c1395a2aSHaggai Eran 222c1395a2aSHaggai Eran if (ret) 223c1395a2aSHaggai Eran return ret; 224fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 225fbeb4075SMoni Shoua return 0; 226fbeb4075SMoni Shoua } 227c1395a2aSHaggai Eran 228fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, 229fbeb4075SMoni Shoua int wqe_index, 230fbeb4075SMoni Shoua void *buffer, 231fbeb4075SMoni Shoua int buflen, 232fbeb4075SMoni Shoua size_t *bc) 233fbeb4075SMoni Shoua { 234fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 235fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 236fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 237fbeb4075SMoni Shoua size_t bytes_copied; 238fbeb4075SMoni Shoua int ret; 239fbeb4075SMoni Shoua 240fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 241fbeb4075SMoni Shoua buffer, 242fbeb4075SMoni Shoua buflen, 243fbeb4075SMoni Shoua wqe_index, 244fbeb4075SMoni Shoua wq->offset, 245fbeb4075SMoni Shoua wq->wqe_cnt, 246fbeb4075SMoni Shoua wq->wqe_shift, 247fbeb4075SMoni Shoua buflen, 248fbeb4075SMoni Shoua &bytes_copied); 249fbeb4075SMoni Shoua 250fbeb4075SMoni Shoua if (ret) 251fbeb4075SMoni Shoua return ret; 252fbeb4075SMoni Shoua *bc = bytes_copied; 253fbeb4075SMoni Shoua return 0; 254fbeb4075SMoni Shoua } 255fbeb4075SMoni Shoua 256fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, 257fbeb4075SMoni Shoua int wqe_index, 258fbeb4075SMoni Shoua void *buffer, 259fbeb4075SMoni Shoua int buflen, 260fbeb4075SMoni Shoua size_t *bc) 261fbeb4075SMoni Shoua { 262fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 263fbeb4075SMoni Shoua size_t bytes_copied; 264fbeb4075SMoni Shoua int ret; 265fbeb4075SMoni Shoua 266fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 267fbeb4075SMoni Shoua buffer, 268fbeb4075SMoni Shoua buflen, 269fbeb4075SMoni Shoua wqe_index, 270fbeb4075SMoni Shoua 0, 271fbeb4075SMoni Shoua srq->msrq.max, 272fbeb4075SMoni Shoua srq->msrq.wqe_shift, 273fbeb4075SMoni Shoua buflen, 274fbeb4075SMoni Shoua &bytes_copied); 275fbeb4075SMoni Shoua 276fbeb4075SMoni Shoua if (ret) 277fbeb4075SMoni Shoua return ret; 278fbeb4075SMoni Shoua *bc = bytes_copied; 279fbeb4075SMoni Shoua return 0; 280c1395a2aSHaggai Eran } 281c1395a2aSHaggai Eran 282e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 283e126ba97SEli Cohen { 284e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 285e126ba97SEli Cohen struct ib_event event; 286e126ba97SEli Cohen 28719098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 28819098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 28919098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 29019098df2Smajd@mellanox.com } 291e126ba97SEli Cohen 292e126ba97SEli Cohen if (ibqp->event_handler) { 293e126ba97SEli Cohen event.device = ibqp->device; 294e126ba97SEli Cohen event.element.qp = ibqp; 295e126ba97SEli Cohen switch (type) { 296e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 297e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 298e126ba97SEli Cohen break; 299e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 300e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 301e126ba97SEli Cohen break; 302e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 303e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 304e126ba97SEli Cohen break; 305e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 306e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 307e126ba97SEli Cohen break; 308e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 309e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 310e126ba97SEli Cohen break; 311e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 312e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 313e126ba97SEli Cohen break; 314e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 315e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 316e126ba97SEli Cohen break; 317e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 318e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 319e126ba97SEli Cohen break; 320e126ba97SEli Cohen default: 321e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 322e126ba97SEli Cohen return; 323e126ba97SEli Cohen } 324e126ba97SEli Cohen 325e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 326e126ba97SEli Cohen } 327e126ba97SEli Cohen } 328e126ba97SEli Cohen 329e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 330e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 331e126ba97SEli Cohen { 332e126ba97SEli Cohen int wqe_size; 333e126ba97SEli Cohen int wq_size; 334e126ba97SEli Cohen 335e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 336938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 337e126ba97SEli Cohen return -EINVAL; 338e126ba97SEli Cohen 339e126ba97SEli Cohen if (!has_rq) { 340e126ba97SEli Cohen qp->rq.max_gs = 0; 341e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 342e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3430540d814SNoa Osherovich cap->max_recv_wr = 0; 3440540d814SNoa Osherovich cap->max_recv_sge = 0; 345e126ba97SEli Cohen } else { 346e126ba97SEli Cohen if (ucmd) { 347e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 348002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 349002bf228SLeon Romanovsky return -EINVAL; 350e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 351002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 352002bf228SLeon Romanovsky return -EINVAL; 353e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 354e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 355e126ba97SEli Cohen } else { 356e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 357e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 358e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 359e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 360e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 361e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 362938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 363e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 364e126ba97SEli Cohen wqe_size, 365938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 366938fe83cSSaeed Mahameed max_wqe_sz_rq)); 367e126ba97SEli Cohen return -EINVAL; 368e126ba97SEli Cohen } 369e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 370e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 371e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 372e126ba97SEli Cohen } 373e126ba97SEli Cohen } 374e126ba97SEli Cohen 375e126ba97SEli Cohen return 0; 376e126ba97SEli Cohen } 377e126ba97SEli Cohen 378f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 379e126ba97SEli Cohen { 380618af384SAndi Shyti int size = 0; 381e126ba97SEli Cohen 382f0313965SErez Shitrit switch (attr->qp_type) { 383e126ba97SEli Cohen case IB_QPT_XRC_INI: 384b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 385e126ba97SEli Cohen /* fall through */ 386e126ba97SEli Cohen case IB_QPT_RC: 387e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 38875c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 38975c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 39075c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 391064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 392064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 393064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 394e126ba97SEli Cohen break; 395e126ba97SEli Cohen 396b125a54bSEli Cohen case IB_QPT_XRC_TGT: 397b125a54bSEli Cohen return 0; 398b125a54bSEli Cohen 399e126ba97SEli Cohen case IB_QPT_UC: 400b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 40175c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4029e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 40375c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 404e126ba97SEli Cohen break; 405e126ba97SEli Cohen 406e126ba97SEli Cohen case IB_QPT_UD: 407f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 408f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 409f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 410f0313965SErez Shitrit /* fall through */ 411e126ba97SEli Cohen case IB_QPT_SMI: 412d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 413b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 414e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 415e126ba97SEli Cohen break; 416e126ba97SEli Cohen 417e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 418b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 419e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 420e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 421e126ba97SEli Cohen break; 422e126ba97SEli Cohen 423e126ba97SEli Cohen default: 424e126ba97SEli Cohen return -EINVAL; 425e126ba97SEli Cohen } 426e126ba97SEli Cohen 427e126ba97SEli Cohen return size; 428e126ba97SEli Cohen } 429e126ba97SEli Cohen 430e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 431e126ba97SEli Cohen { 432e126ba97SEli Cohen int inl_size = 0; 433e126ba97SEli Cohen int size; 434e126ba97SEli Cohen 435f0313965SErez Shitrit size = sq_overhead(attr); 436e126ba97SEli Cohen if (size < 0) 437e126ba97SEli Cohen return size; 438e126ba97SEli Cohen 439e126ba97SEli Cohen if (attr->cap.max_inline_data) { 440e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 441e126ba97SEli Cohen attr->cap.max_inline_data; 442e126ba97SEli Cohen } 443e126ba97SEli Cohen 444e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 445e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && 446e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 447e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 448e1e66cc2SSagi Grimberg else 449e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 450e126ba97SEli Cohen } 451e126ba97SEli Cohen 452288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 453288c01b7SEli Cohen { 454288c01b7SEli Cohen int max_sge; 455288c01b7SEli Cohen 456288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 457288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 458288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 459288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 460288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 461288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 462288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 463288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 464288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 465288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 466288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 467288c01b7SEli Cohen else 468288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 469288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 470288c01b7SEli Cohen 471288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 472288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 473288c01b7SEli Cohen } 474288c01b7SEli Cohen 475e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 476e126ba97SEli Cohen struct mlx5_ib_qp *qp) 477e126ba97SEli Cohen { 478e126ba97SEli Cohen int wqe_size; 479e126ba97SEli Cohen int wq_size; 480e126ba97SEli Cohen 481e126ba97SEli Cohen if (!attr->cap.max_send_wr) 482e126ba97SEli Cohen return 0; 483e126ba97SEli Cohen 484e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 485e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 486e126ba97SEli Cohen if (wqe_size < 0) 487e126ba97SEli Cohen return wqe_size; 488e126ba97SEli Cohen 489938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 490b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 491938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 492e126ba97SEli Cohen return -EINVAL; 493e126ba97SEli Cohen } 494e126ba97SEli Cohen 495f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 496e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 497e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 498e126ba97SEli Cohen 499e1e66cc2SSagi Grimberg if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) 500e1e66cc2SSagi Grimberg qp->signature_en = true; 501e1e66cc2SSagi Grimberg 502e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 503e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 504938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5051974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5061974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 507938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 508938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 509b125a54bSEli Cohen return -ENOMEM; 510b125a54bSEli Cohen } 511e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 512288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 513288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 514288c01b7SEli Cohen return -ENOMEM; 515288c01b7SEli Cohen 516288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 517b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 518b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 519e126ba97SEli Cohen 520e126ba97SEli Cohen return wq_size; 521e126ba97SEli Cohen } 522e126ba97SEli Cohen 523e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 524e126ba97SEli Cohen struct mlx5_ib_qp *qp, 52519098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5260fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5270fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 528e126ba97SEli Cohen { 529e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 530e126ba97SEli Cohen 531938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 532e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 533938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 534e126ba97SEli Cohen return -EINVAL; 535e126ba97SEli Cohen } 536e126ba97SEli Cohen 537af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 538af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 539af8b38edSGal Pressman ucmd->sq_wqe_count); 540e126ba97SEli Cohen return -EINVAL; 541e126ba97SEli Cohen } 542e126ba97SEli Cohen 543e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 544e126ba97SEli Cohen 545938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 546e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 547938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 548938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 549e126ba97SEli Cohen return -EINVAL; 550e126ba97SEli Cohen } 551e126ba97SEli Cohen 552c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 553c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 5540fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5550fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5560fb2ed66Smajd@mellanox.com } else { 55719098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 558e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5590fb2ed66Smajd@mellanox.com } 560e126ba97SEli Cohen 561e126ba97SEli Cohen return 0; 562e126ba97SEli Cohen } 563e126ba97SEli Cohen 564e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 565e126ba97SEli Cohen { 566e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 567e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 568e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 569e126ba97SEli Cohen !attr->cap.max_recv_wr) 570e126ba97SEli Cohen return 0; 571e126ba97SEli Cohen 572e126ba97SEli Cohen return 1; 573e126ba97SEli Cohen } 574e126ba97SEli Cohen 5750b80c14fSEli Cohen enum { 5760b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 5770b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 5780b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 5790b80c14fSEli Cohen * "odd/even" order 5800b80c14fSEli Cohen */ 5810b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 5820b80c14fSEli Cohen }; 5830b80c14fSEli Cohen 584b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 585b037c29aSEli Cohen { 58631a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 587b037c29aSEli Cohen } 588b037c29aSEli Cohen 589b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 590b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 591c1be5232SEli Cohen { 592c1be5232SEli Cohen int n; 593c1be5232SEli Cohen 594b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 595b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 596c1be5232SEli Cohen 597c1be5232SEli Cohen return n >= 0 ? n : 0; 598c1be5232SEli Cohen } 599c1be5232SEli Cohen 60018b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 60118b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 60218b0362eSYishai Hadas { 60318b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 60418b0362eSYishai Hadas } 60518b0362eSYishai Hadas 606b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 607b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 608c1be5232SEli Cohen { 609c1be5232SEli Cohen int med; 610c1be5232SEli Cohen 611b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 612b037c29aSEli Cohen return ++med; 613c1be5232SEli Cohen } 614c1be5232SEli Cohen 615b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 616b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 617e126ba97SEli Cohen { 618e126ba97SEli Cohen int i; 619e126ba97SEli Cohen 620b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 621b037c29aSEli Cohen if (!bfregi->count[i]) { 6222f5ff264SEli Cohen bfregi->count[i]++; 623e126ba97SEli Cohen return i; 624e126ba97SEli Cohen } 625e126ba97SEli Cohen } 626e126ba97SEli Cohen 627e126ba97SEli Cohen return -ENOMEM; 628e126ba97SEli Cohen } 629e126ba97SEli Cohen 630b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 631b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 632e126ba97SEli Cohen { 63318b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 634e126ba97SEli Cohen int i; 635e126ba97SEli Cohen 63618b0362eSYishai Hadas if (minidx < 0) 63718b0362eSYishai Hadas return minidx; 63818b0362eSYishai Hadas 63918b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6402f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 641e126ba97SEli Cohen minidx = i; 6420b80c14fSEli Cohen if (!bfregi->count[minidx]) 6430b80c14fSEli Cohen break; 644e126ba97SEli Cohen } 645e126ba97SEli Cohen 6462f5ff264SEli Cohen bfregi->count[minidx]++; 647e126ba97SEli Cohen return minidx; 648e126ba97SEli Cohen } 649e126ba97SEli Cohen 650b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 651ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 652e126ba97SEli Cohen { 653ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 654e126ba97SEli Cohen 6552f5ff264SEli Cohen mutex_lock(&bfregi->lock); 656ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 657ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 658ffaf58deSLeon Romanovsky if (bfregn < 0) 659ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 660ffaf58deSLeon Romanovsky } 661ffaf58deSLeon Romanovsky 662ffaf58deSLeon Romanovsky if (bfregn < 0) { 6630b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6642f5ff264SEli Cohen bfregn = 0; 6652f5ff264SEli Cohen bfregi->count[bfregn]++; 666e126ba97SEli Cohen } 6672f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 668e126ba97SEli Cohen 6692f5ff264SEli Cohen return bfregn; 670e126ba97SEli Cohen } 671e126ba97SEli Cohen 6724ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 673e126ba97SEli Cohen { 6742f5ff264SEli Cohen mutex_lock(&bfregi->lock); 675b037c29aSEli Cohen bfregi->count[bfregn]--; 6762f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 677e126ba97SEli Cohen } 678e126ba97SEli Cohen 679e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 680e126ba97SEli Cohen { 681e126ba97SEli Cohen switch (state) { 682e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 683e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 684e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 685e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 686e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 687e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 688e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 689e126ba97SEli Cohen default: return -1; 690e126ba97SEli Cohen } 691e126ba97SEli Cohen } 692e126ba97SEli Cohen 693e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 694e126ba97SEli Cohen { 695e126ba97SEli Cohen switch (type) { 696e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 697e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 698e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 699e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 700e126ba97SEli Cohen case IB_QPT_XRC_INI: 701e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 702e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 703d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 704c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 705e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 706e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 7070fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 708e126ba97SEli Cohen case IB_QPT_MAX: 709e126ba97SEli Cohen default: return -EINVAL; 710e126ba97SEli Cohen } 711e126ba97SEli Cohen } 712e126ba97SEli Cohen 71389ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 71489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 71589ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 71689ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 71789ea94a7SMaor Gottlieb 7187c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 71905f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7201ee47ab3SYishai Hadas bool dyn_bfreg) 721e126ba97SEli Cohen { 72205f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 72305f58cebSLeon Romanovsky u32 index_of_sys_page; 72405f58cebSLeon Romanovsky u32 offset; 725b037c29aSEli Cohen 726b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 727b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 728b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 729b037c29aSEli Cohen 73005f58cebSLeon Romanovsky if (dyn_bfreg) { 73105f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 73205f58cebSLeon Romanovsky 7337c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7347c043e90SYishai Hadas return -EINVAL; 7357c043e90SYishai Hadas 7361ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7371ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7381ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7391ee47ab3SYishai Hadas return -EINVAL; 7401ee47ab3SYishai Hadas } 7411ee47ab3SYishai Hadas } 742b037c29aSEli Cohen 7431ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 744b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 745e126ba97SEli Cohen } 746e126ba97SEli Cohen 747b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 74819098df2Smajd@mellanox.com unsigned long addr, size_t size, 749b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 750b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 75119098df2Smajd@mellanox.com { 75219098df2Smajd@mellanox.com int err; 75319098df2Smajd@mellanox.com 754b0ea0fa5SJason Gunthorpe *umem = ib_umem_get(udata, addr, size, 0, 0); 75519098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 75619098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 75719098df2Smajd@mellanox.com return PTR_ERR(*umem); 75819098df2Smajd@mellanox.com } 75919098df2Smajd@mellanox.com 760762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 76119098df2Smajd@mellanox.com 76219098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 76319098df2Smajd@mellanox.com if (err) { 76419098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 76519098df2Smajd@mellanox.com goto err_umem; 76619098df2Smajd@mellanox.com } 76719098df2Smajd@mellanox.com 76819098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 76919098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 77019098df2Smajd@mellanox.com 77119098df2Smajd@mellanox.com return 0; 77219098df2Smajd@mellanox.com 77319098df2Smajd@mellanox.com err_umem: 77419098df2Smajd@mellanox.com ib_umem_release(*umem); 77519098df2Smajd@mellanox.com *umem = NULL; 77619098df2Smajd@mellanox.com 77719098df2Smajd@mellanox.com return err; 77819098df2Smajd@mellanox.com } 77919098df2Smajd@mellanox.com 780fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 781bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78279b20a6cSYishai Hadas { 783bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 784bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 785bdeacabdSShamir Rabinovitch udata, 786bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 787bdeacabdSShamir Rabinovitch ibucontext); 78879b20a6cSYishai Hadas 789fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 790fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 791fe248c3aSMaor Gottlieb 79279b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79379b20a6cSYishai Hadas if (rwq->umem) 79479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79579b20a6cSYishai Hadas } 79679b20a6cSYishai Hadas 79779b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 798b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79979b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 80079b20a6cSYishai Hadas { 80189944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 80289944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 80379b20a6cSYishai Hadas int page_shift = 0; 80479b20a6cSYishai Hadas int npages; 80579b20a6cSYishai Hadas u32 offset = 0; 80679b20a6cSYishai Hadas int ncont = 0; 80779b20a6cSYishai Hadas int err; 80879b20a6cSYishai Hadas 80979b20a6cSYishai Hadas if (!ucmd->buf_addr) 81079b20a6cSYishai Hadas return -EINVAL; 81179b20a6cSYishai Hadas 812b0ea0fa5SJason Gunthorpe rwq->umem = ib_umem_get(udata, ucmd->buf_addr, rwq->buf_size, 0, 0); 81379b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81579b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81679b20a6cSYishai Hadas return err; 81779b20a6cSYishai Hadas } 81879b20a6cSYishai Hadas 819762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 82079b20a6cSYishai Hadas &ncont, NULL); 82179b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 82279b20a6cSYishai Hadas &rwq->rq_page_offset); 82379b20a6cSYishai Hadas if (err) { 82479b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 82579b20a6cSYishai Hadas goto err_umem; 82679b20a6cSYishai Hadas } 82779b20a6cSYishai Hadas 82879b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 82979b20a6cSYishai Hadas rwq->page_shift = page_shift; 83079b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 83179b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 83279b20a6cSYishai Hadas 83379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 83479b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 83579b20a6cSYishai Hadas npages, page_shift, ncont, offset); 83679b20a6cSYishai Hadas 83789944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 83879b20a6cSYishai Hadas if (err) { 83979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 84079b20a6cSYishai Hadas goto err_umem; 84179b20a6cSYishai Hadas } 84279b20a6cSYishai Hadas 84379b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 84479b20a6cSYishai Hadas return 0; 84579b20a6cSYishai Hadas 84679b20a6cSYishai Hadas err_umem: 84779b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84879b20a6cSYishai Hadas return err; 84979b20a6cSYishai Hadas } 85079b20a6cSYishai Hadas 851b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 852b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 853b037c29aSEli Cohen { 854b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 855b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 856b037c29aSEli Cohen } 857b037c29aSEli Cohen 858e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 859e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 8600fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 86109a7d9ecSSaeed Mahameed u32 **in, 86219098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 86319098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 864e126ba97SEli Cohen { 865e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 866e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 86719098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 8689e9c47d0SEli Cohen int page_shift = 0; 8691ee47ab3SYishai Hadas int uar_index = 0; 870e126ba97SEli Cohen int npages; 8719e9c47d0SEli Cohen u32 offset = 0; 8722f5ff264SEli Cohen int bfregn; 8739e9c47d0SEli Cohen int ncont = 0; 87409a7d9ecSSaeed Mahameed __be64 *pas; 87509a7d9ecSSaeed Mahameed void *qpc; 876e126ba97SEli Cohen int err; 8775aa3771dSYishai Hadas u16 uid; 878e126ba97SEli Cohen 879e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 880e126ba97SEli Cohen if (err) { 881e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 882e126ba97SEli Cohen return err; 883e126ba97SEli Cohen } 884e126ba97SEli Cohen 88589944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 88689944450SShamir Rabinovitch ibucontext); 8871ee47ab3SYishai Hadas if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { 8881ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 8891ee47ab3SYishai Hadas ucmd.bfreg_index, true); 8901ee47ab3SYishai Hadas if (uar_index < 0) 8911ee47ab3SYishai Hadas return uar_index; 8921ee47ab3SYishai Hadas 8931ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 8941ee47ab3SYishai Hadas } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { 895e126ba97SEli Cohen /* 896e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 897e126ba97SEli Cohen */ 898051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 8992f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 9001ee47ab3SYishai Hadas } 901051f2630SLeon Romanovsky else { 902ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 903ffaf58deSLeon Romanovsky if (bfregn < 0) 9042f5ff264SEli Cohen return bfregn; 905e126ba97SEli Cohen } 906e126ba97SEli Cohen 9072f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9081ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9091ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9101ee47ab3SYishai Hadas false); 911e126ba97SEli Cohen 91248fea837SHaggai Eran qp->rq.offset = 0; 91348fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 91448fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91548fea837SHaggai Eran 9160fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 917e126ba97SEli Cohen if (err) 9182f5ff264SEli Cohen goto err_bfreg; 919e126ba97SEli Cohen 92019098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 92119098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 922b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 923b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 924b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 92519098df2Smajd@mellanox.com if (err) 9262f5ff264SEli Cohen goto err_bfreg; 9279e9c47d0SEli Cohen } else { 92819098df2Smajd@mellanox.com ubuffer->umem = NULL; 9299e9c47d0SEli Cohen } 930e126ba97SEli Cohen 93109a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 93209a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9331b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 934e126ba97SEli Cohen if (!*in) { 935e126ba97SEli Cohen err = -ENOMEM; 936e126ba97SEli Cohen goto err_umem; 937e126ba97SEli Cohen } 938e126ba97SEli Cohen 9397422edceSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT && 9407422edceSYishai Hadas attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9415aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 94209a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 94309a7d9ecSSaeed Mahameed if (ubuffer->umem) 94409a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 94509a7d9ecSSaeed Mahameed 94609a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 94709a7d9ecSSaeed Mahameed 94809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 94909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 95009a7d9ecSSaeed Mahameed 95109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9521ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 953b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9541ee47ab3SYishai Hadas else 9551ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9562f5ff264SEli Cohen qp->bfregn = bfregn; 957e126ba97SEli Cohen 958b0ea0fa5SJason Gunthorpe err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); 959e126ba97SEli Cohen if (err) { 960e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 961e126ba97SEli Cohen goto err_free; 962e126ba97SEli Cohen } 963e126ba97SEli Cohen 96441d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 965e126ba97SEli Cohen if (err) { 966e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 967e126ba97SEli Cohen goto err_unmap; 968e126ba97SEli Cohen } 969e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 970e126ba97SEli Cohen 971e126ba97SEli Cohen return 0; 972e126ba97SEli Cohen 973e126ba97SEli Cohen err_unmap: 974e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 975e126ba97SEli Cohen 976e126ba97SEli Cohen err_free: 977479163f4SAl Viro kvfree(*in); 978e126ba97SEli Cohen 979e126ba97SEli Cohen err_umem: 98019098df2Smajd@mellanox.com if (ubuffer->umem) 98119098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 982e126ba97SEli Cohen 9832f5ff264SEli Cohen err_bfreg: 9841ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9854ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 986e126ba97SEli Cohen return err; 987e126ba97SEli Cohen } 988e126ba97SEli Cohen 989b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 990bdeacabdSShamir Rabinovitch struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, 991bdeacabdSShamir Rabinovitch struct ib_udata *udata) 992e126ba97SEli Cohen { 993bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 994bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 995bdeacabdSShamir Rabinovitch udata, 996bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 997bdeacabdSShamir Rabinovitch ibucontext); 998e126ba97SEli Cohen 999e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 100019098df2Smajd@mellanox.com if (base->ubuffer.umem) 100119098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 10021ee47ab3SYishai Hadas 10031ee47ab3SYishai Hadas /* 10041ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10051ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10061ee47ab3SYishai Hadas */ 10071ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10084ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1009e126ba97SEli Cohen } 1010e126ba97SEli Cohen 101134f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 101234f4c955SGuy Levi * 101334f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 101434f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 101534f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 101634f4c955SGuy Levi * simply should check if it gets to an edge. 101734f4c955SGuy Levi * 101834f4c955SGuy Levi * @sq - SQ buffer. 101934f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 102034f4c955SGuy Levi * 102134f4c955SGuy Levi * Return: 102234f4c955SGuy Levi * The new edge. 102334f4c955SGuy Levi */ 102434f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 102534f4c955SGuy Levi { 102634f4c955SGuy Levi void *fragment_end; 102734f4c955SGuy Levi 102834f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 102934f4c955SGuy Levi (&sq->fbc, 103034f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 103134f4c955SGuy Levi 103234f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 103334f4c955SGuy Levi } 103434f4c955SGuy Levi 1035e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 1036e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1037e126ba97SEli Cohen struct mlx5_ib_qp *qp, 103809a7d9ecSSaeed Mahameed u32 **in, int *inlen, 103919098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1040e126ba97SEli Cohen { 1041e126ba97SEli Cohen int uar_index; 104209a7d9ecSSaeed Mahameed void *qpc; 1043e126ba97SEli Cohen int err; 1044e126ba97SEli Cohen 1045f0313965SErez Shitrit if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | 1046f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 1047b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 104893d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 1049b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1())) 10501a4c3a3dSEli Cohen return -EINVAL; 1051e126ba97SEli Cohen 1052e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10535fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 10545fe9dec0SEli Cohen else 10555fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1056e126ba97SEli Cohen 1057d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1058d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1059d8030b0dSEli Cohen */ 1060d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10615fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1062e126ba97SEli Cohen 1063e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1064e126ba97SEli Cohen if (err < 0) { 1065e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10665fe9dec0SEli Cohen return err; 1067e126ba97SEli Cohen } 1068e126ba97SEli Cohen 1069e126ba97SEli Cohen qp->rq.offset = 0; 1070e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 107119098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1072e126ba97SEli Cohen 107334f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 107434f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1075e126ba97SEli Cohen if (err) { 1076e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10775fe9dec0SEli Cohen return err; 1078e126ba97SEli Cohen } 1079e126ba97SEli Cohen 108034f4c955SGuy Levi if (qp->rq.wqe_cnt) 108134f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 108234f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 108334f4c955SGuy Levi 108434f4c955SGuy Levi if (qp->sq.wqe_cnt) { 108534f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 108634f4c955SGuy Levi MLX5_SEND_WQE_BB; 108734f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 108834f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 108934f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 109034f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 109134f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 109234f4c955SGuy Levi 109334f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 109434f4c955SGuy Levi } 109534f4c955SGuy Levi 109609a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 109709a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10981b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1099e126ba97SEli Cohen if (!*in) { 1100e126ba97SEli Cohen err = -ENOMEM; 1101e126ba97SEli Cohen goto err_buf; 1102e126ba97SEli Cohen } 110309a7d9ecSSaeed Mahameed 110409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 110509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 110609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 110709a7d9ecSSaeed Mahameed 1108e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 110909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 111009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1111e126ba97SEli Cohen 1112b11a4f9cSHaggai Eran if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { 111309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1114b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 1115b11a4f9cSHaggai Eran } 1116b11a4f9cSHaggai Eran 111734f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 111834f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 111934f4c955SGuy Levi *in, pas)); 1120e126ba97SEli Cohen 11219603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1122e126ba97SEli Cohen if (err) { 1123e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1124e126ba97SEli Cohen goto err_free; 1125e126ba97SEli Cohen } 1126e126ba97SEli Cohen 1127b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1128b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1129b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1130b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1131b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1132b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1133b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1134b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1135b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1136b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1137e126ba97SEli Cohen 1138e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1139e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1140e126ba97SEli Cohen err = -ENOMEM; 1141e126ba97SEli Cohen goto err_wrid; 1142e126ba97SEli Cohen } 1143e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1144e126ba97SEli Cohen 1145e126ba97SEli Cohen return 0; 1146e126ba97SEli Cohen 1147e126ba97SEli Cohen err_wrid: 1148b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1149b5883008SLi Dongyang kvfree(qp->sq.w_list); 1150b5883008SLi Dongyang kvfree(qp->sq.wrid); 1151b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1152b5883008SLi Dongyang kvfree(qp->rq.wrid); 1153f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1154e126ba97SEli Cohen 1155e126ba97SEli Cohen err_free: 1156479163f4SAl Viro kvfree(*in); 1157e126ba97SEli Cohen 1158e126ba97SEli Cohen err_buf: 115934f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1160e126ba97SEli Cohen return err; 1161e126ba97SEli Cohen } 1162e126ba97SEli Cohen 1163e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1164e126ba97SEli Cohen { 1165b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1166b5883008SLi Dongyang kvfree(qp->sq.w_list); 1167b5883008SLi Dongyang kvfree(qp->sq.wrid); 1168b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1169b5883008SLi Dongyang kvfree(qp->rq.wrid); 1170f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 117134f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1172e126ba97SEli Cohen } 1173e126ba97SEli Cohen 117409a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1175e126ba97SEli Cohen { 1176e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1177c32a4f29SMoni Shoua (attr->qp_type == MLX5_IB_QPT_DCI) || 1178e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 117909a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1180e126ba97SEli Cohen else if (!qp->has_rq) 118109a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1182e126ba97SEli Cohen else 118309a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1184e126ba97SEli Cohen } 1185e126ba97SEli Cohen 1186e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1187e126ba97SEli Cohen { 11885d6ff1baSYonatan Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC || 11895d6ff1baSYonatan Cohen qp_type == MLX5_IB_QPT_DCI) 1190e126ba97SEli Cohen return 1; 1191e126ba97SEli Cohen 1192e126ba97SEli Cohen return 0; 1193e126ba97SEli Cohen } 1194e126ba97SEli Cohen 11950fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1196c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11971cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11981cd6dbd3SYishai Hadas struct ib_pd *pd) 11990fb2ed66Smajd@mellanox.com { 1200c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 12010fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 12020fb2ed66Smajd@mellanox.com 12031cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 12040fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1205c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1206c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1207c2e53b2cSYishai Hadas 12080fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 12090fb2ed66Smajd@mellanox.com } 12100fb2ed66Smajd@mellanox.com 12110fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 12121cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 12130fb2ed66Smajd@mellanox.com { 12141cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 12150fb2ed66Smajd@mellanox.com } 12160fb2ed66Smajd@mellanox.com 1217d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1218b96c9ddeSMark Bloch { 1219b96c9ddeSMark Bloch if (sq->flow_rule) 1220b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1221d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1222b96c9ddeSMark Bloch } 1223b96c9ddeSMark Bloch 12240fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1225b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12260fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12270fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12280fb2ed66Smajd@mellanox.com { 12290fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12300fb2ed66Smajd@mellanox.com __be64 *pas; 12310fb2ed66Smajd@mellanox.com void *in; 12320fb2ed66Smajd@mellanox.com void *sqc; 12330fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12340fb2ed66Smajd@mellanox.com void *wq; 12350fb2ed66Smajd@mellanox.com int inlen; 12360fb2ed66Smajd@mellanox.com int err; 12370fb2ed66Smajd@mellanox.com int page_shift = 0; 12380fb2ed66Smajd@mellanox.com int npages; 12390fb2ed66Smajd@mellanox.com int ncont = 0; 12400fb2ed66Smajd@mellanox.com u32 offset = 0; 12410fb2ed66Smajd@mellanox.com 1242b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1243b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1244b0ea0fa5SJason Gunthorpe &offset); 12450fb2ed66Smajd@mellanox.com if (err) 12460fb2ed66Smajd@mellanox.com return err; 12470fb2ed66Smajd@mellanox.com 12480fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12491b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12500fb2ed66Smajd@mellanox.com if (!in) { 12510fb2ed66Smajd@mellanox.com err = -ENOMEM; 12520fb2ed66Smajd@mellanox.com goto err_umem; 12530fb2ed66Smajd@mellanox.com } 12540fb2ed66Smajd@mellanox.com 1255c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12560fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12570fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1258795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1259795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12600fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12610fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12620fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12630fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12640fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 126596dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 126696dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 126796dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12680fb2ed66Smajd@mellanox.com 12690fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12700fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12710fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12720fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12730fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12740fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12750fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 12760fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 12770fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 12780fb2ed66Smajd@mellanox.com 12790fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12800fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 12810fb2ed66Smajd@mellanox.com 12820fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 12830fb2ed66Smajd@mellanox.com 12840fb2ed66Smajd@mellanox.com kvfree(in); 12850fb2ed66Smajd@mellanox.com 12860fb2ed66Smajd@mellanox.com if (err) 12870fb2ed66Smajd@mellanox.com goto err_umem; 12880fb2ed66Smajd@mellanox.com 12890fb2ed66Smajd@mellanox.com return 0; 12900fb2ed66Smajd@mellanox.com 12910fb2ed66Smajd@mellanox.com err_umem: 12920fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12930fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 12940fb2ed66Smajd@mellanox.com 12950fb2ed66Smajd@mellanox.com return err; 12960fb2ed66Smajd@mellanox.com } 12970fb2ed66Smajd@mellanox.com 12980fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12990fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 13000fb2ed66Smajd@mellanox.com { 1301d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 13020fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 13030fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13040fb2ed66Smajd@mellanox.com } 13050fb2ed66Smajd@mellanox.com 13062c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 13070fb2ed66Smajd@mellanox.com { 13080fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 13090fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 13100fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 13110fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 13120fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 13130fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 13140fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 13150fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 13160fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 13170fb2ed66Smajd@mellanox.com 13180fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 13190fb2ed66Smajd@mellanox.com } 13200fb2ed66Smajd@mellanox.com 13210fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13222c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 132334d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 13240fb2ed66Smajd@mellanox.com { 1325358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13260fb2ed66Smajd@mellanox.com __be64 *pas; 13270fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13280fb2ed66Smajd@mellanox.com void *in; 13290fb2ed66Smajd@mellanox.com void *rqc; 13300fb2ed66Smajd@mellanox.com void *wq; 13310fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13322c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13332c292dbbSBoris Pismenny size_t inlen; 13340fb2ed66Smajd@mellanox.com int err; 13352c292dbbSBoris Pismenny 13362c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13372c292dbbSBoris Pismenny return -EINVAL; 13380fb2ed66Smajd@mellanox.com 13390fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13401b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13410fb2ed66Smajd@mellanox.com if (!in) 13420fb2ed66Smajd@mellanox.com return -ENOMEM; 13430fb2ed66Smajd@mellanox.com 134434d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13450fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1346e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13470fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13480fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13490fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13500fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13510fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13520fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13530fb2ed66Smajd@mellanox.com 1354358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1355358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1356358e42eaSMajd Dibbiny 13570fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13580fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1359b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1360b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13610fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 13620fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13630fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13640fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13650fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 13660fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13670fb2ed66Smajd@mellanox.com 13680fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13690fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 13700fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 13710fb2ed66Smajd@mellanox.com 13720fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 13730fb2ed66Smajd@mellanox.com 13740fb2ed66Smajd@mellanox.com kvfree(in); 13750fb2ed66Smajd@mellanox.com 13760fb2ed66Smajd@mellanox.com return err; 13770fb2ed66Smajd@mellanox.com } 13780fb2ed66Smajd@mellanox.com 13790fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13800fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13810fb2ed66Smajd@mellanox.com { 13820fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 13830fb2ed66Smajd@mellanox.com } 13840fb2ed66Smajd@mellanox.com 1385f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1386f95ef6cbSMaor Gottlieb { 1387f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1388f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1389f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1390f95ef6cbSMaor Gottlieb } 1391f95ef6cbSMaor Gottlieb 13920042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 13930042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1394443c1cf9SYishai Hadas u32 qp_flags_en, 1395443c1cf9SYishai Hadas struct ib_pd *pd) 13960042f9e4SMark Bloch { 13970042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13980042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13990042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1400443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 14010042f9e4SMark Bloch } 14020042f9e4SMark Bloch 14030fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1404f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1405443c1cf9SYishai Hadas u32 *qp_flags_en, 1406443c1cf9SYishai Hadas struct ib_pd *pd) 14070fb2ed66Smajd@mellanox.com { 1408175edba8SMark Bloch u8 lb_flag = 0; 14090fb2ed66Smajd@mellanox.com u32 *in; 14100fb2ed66Smajd@mellanox.com void *tirc; 14110fb2ed66Smajd@mellanox.com int inlen; 14120fb2ed66Smajd@mellanox.com int err; 14130fb2ed66Smajd@mellanox.com 14140fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14151b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14160fb2ed66Smajd@mellanox.com if (!in) 14170fb2ed66Smajd@mellanox.com return -ENOMEM; 14180fb2ed66Smajd@mellanox.com 1419443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14200fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14210fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14220fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14230fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1424175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1425f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14260fb2ed66Smajd@mellanox.com 1427175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1428175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1429175edba8SMark Bloch 1430175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1431175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1432175edba8SMark Bloch 14336a4d00beSMark Bloch if (dev->is_rep) { 1434175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1435175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1436175edba8SMark Bloch } 1437175edba8SMark Bloch 1438175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1439ec9c2fb8SMark Bloch 14400fb2ed66Smajd@mellanox.com err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); 14410fb2ed66Smajd@mellanox.com 14420042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 14430042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 14440042f9e4SMark Bloch 14450042f9e4SMark Bloch if (err) 1446443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, 0, pd); 14470042f9e4SMark Bloch } 14480fb2ed66Smajd@mellanox.com kvfree(in); 14490fb2ed66Smajd@mellanox.com 14500fb2ed66Smajd@mellanox.com return err; 14510fb2ed66Smajd@mellanox.com } 14520fb2ed66Smajd@mellanox.com 14530fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 14542c292dbbSBoris Pismenny u32 *in, size_t inlen, 14557f72052cSYishai Hadas struct ib_pd *pd, 14567f72052cSYishai Hadas struct ib_udata *udata, 14577f72052cSYishai Hadas struct mlx5_ib_create_qp_resp *resp) 14580fb2ed66Smajd@mellanox.com { 14590fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 14600fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 14610fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 146289944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 146389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 14640fb2ed66Smajd@mellanox.com int err; 14650fb2ed66Smajd@mellanox.com u32 tdn = mucontext->tdn; 14667f72052cSYishai Hadas u16 uid = to_mpd(pd)->uid; 14670fb2ed66Smajd@mellanox.com 14680fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14691cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14700fb2ed66Smajd@mellanox.com if (err) 14710fb2ed66Smajd@mellanox.com return err; 14720fb2ed66Smajd@mellanox.com 1473b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 14740fb2ed66Smajd@mellanox.com if (err) 14750fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14760fb2ed66Smajd@mellanox.com 14777f72052cSYishai Hadas if (uid) { 14787f72052cSYishai Hadas resp->tisn = sq->tisn; 14797f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14807f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14817f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14827f72052cSYishai Hadas } 14837f72052cSYishai Hadas 14840fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14851d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 14860fb2ed66Smajd@mellanox.com } 14870fb2ed66Smajd@mellanox.com 14880fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1489358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1490358e42eaSMajd Dibbiny 1491e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1492e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1493b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1494b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 149534d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 14960fb2ed66Smajd@mellanox.com if (err) 14970fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14980fb2ed66Smajd@mellanox.com 1499443c1cf9SYishai Hadas err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd); 15000fb2ed66Smajd@mellanox.com if (err) 15010fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15027f72052cSYishai Hadas 15037f72052cSYishai Hadas if (uid) { 15047f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15057f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15067f72052cSYishai Hadas resp->tirn = rq->tirn; 15077f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 15087f72052cSYishai Hadas } 15090fb2ed66Smajd@mellanox.com } 15100fb2ed66Smajd@mellanox.com 15110fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15120fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15137f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 15147f72052cSYishai Hadas if (err) 15157f72052cSYishai Hadas goto err_destroy_tir; 15160fb2ed66Smajd@mellanox.com 15170fb2ed66Smajd@mellanox.com return 0; 15180fb2ed66Smajd@mellanox.com 15197f72052cSYishai Hadas err_destroy_tir: 15207f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 15210fb2ed66Smajd@mellanox.com err_destroy_rq: 15220fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15230fb2ed66Smajd@mellanox.com err_destroy_sq: 15240fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15250fb2ed66Smajd@mellanox.com return err; 15260fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15270fb2ed66Smajd@mellanox.com err_destroy_tis: 15281cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15290fb2ed66Smajd@mellanox.com 15300fb2ed66Smajd@mellanox.com return err; 15310fb2ed66Smajd@mellanox.com } 15320fb2ed66Smajd@mellanox.com 15330fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15340fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15350fb2ed66Smajd@mellanox.com { 15360fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 15370fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15380fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15390fb2ed66Smajd@mellanox.com 15400fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1541443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15420fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15430fb2ed66Smajd@mellanox.com } 15440fb2ed66Smajd@mellanox.com 15450fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15460fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15471cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15480fb2ed66Smajd@mellanox.com } 15490fb2ed66Smajd@mellanox.com } 15500fb2ed66Smajd@mellanox.com 15510fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15520fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15530fb2ed66Smajd@mellanox.com { 15540fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15550fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15560fb2ed66Smajd@mellanox.com 15570fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15580fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15590fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15600fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15610fb2ed66Smajd@mellanox.com } 15620fb2ed66Smajd@mellanox.com 156328d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 156428d61370SYishai Hadas { 15650042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15660042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15670042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1568443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1569443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 157028d61370SYishai Hadas } 157128d61370SYishai Hadas 157228d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 157328d61370SYishai Hadas struct ib_pd *pd, 157428d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 157528d61370SYishai Hadas struct ib_udata *udata) 157628d61370SYishai Hadas { 157789944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 157889944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 157928d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 158028d61370SYishai Hadas int inlen; 158128d61370SYishai Hadas int err; 158228d61370SYishai Hadas u32 *in; 158328d61370SYishai Hadas void *tirc; 158428d61370SYishai Hadas void *hfso; 158528d61370SYishai Hadas u32 selected_fields = 0; 15862d93fc85SMatan Barak u32 outer_l4; 158728d61370SYishai Hadas size_t min_resp_len; 158828d61370SYishai Hadas u32 tdn = mucontext->tdn; 158928d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 159028d61370SYishai Hadas size_t required_cmd_sz; 1591175edba8SMark Bloch u8 lb_flag = 0; 159228d61370SYishai Hadas 159328d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 159428d61370SYishai Hadas return -EOPNOTSUPP; 159528d61370SYishai Hadas 159628d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 159728d61370SYishai Hadas return -EINVAL; 159828d61370SYishai Hadas 15992f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 160028d61370SYishai Hadas if (udata->outlen < min_resp_len) 160128d61370SYishai Hadas return -EINVAL; 160228d61370SYishai Hadas 1603f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 160428d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 160528d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 160628d61370SYishai Hadas return -EINVAL; 160728d61370SYishai Hadas } 160828d61370SYishai Hadas 160928d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 161028d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 161128d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 161228d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 161328d61370SYishai Hadas return -EOPNOTSUPP; 161428d61370SYishai Hadas } 161528d61370SYishai Hadas 161628d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 161728d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 161828d61370SYishai Hadas return -EFAULT; 161928d61370SYishai Hadas } 162028d61370SYishai Hadas 162128d61370SYishai Hadas if (ucmd.comp_mask) { 162228d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 162328d61370SYishai Hadas return -EOPNOTSUPP; 162428d61370SYishai Hadas } 162528d61370SYishai Hadas 1626175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1627175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1628175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1629f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1630f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1631f95ef6cbSMaor Gottlieb } 1632f95ef6cbSMaor Gottlieb 1633f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1634f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1635f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 163628d61370SYishai Hadas return -EOPNOTSUPP; 163728d61370SYishai Hadas } 163828d61370SYishai Hadas 1639309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1640309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1641309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1642309fa347SMaor Gottlieb return -EOPNOTSUPP; 1643309fa347SMaor Gottlieb } 1644309fa347SMaor Gottlieb 16456a4d00beSMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { 1646175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1647175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1648175edba8SMark Bloch } 1649175edba8SMark Bloch 1650175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1651175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1652175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1653175edba8SMark Bloch } 1654175edba8SMark Bloch 165541d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 165628d61370SYishai Hadas if (err) { 165728d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 165828d61370SYishai Hadas return -EINVAL; 165928d61370SYishai Hadas } 166028d61370SYishai Hadas 166128d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16621b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 166328d61370SYishai Hadas if (!in) 166428d61370SYishai Hadas return -ENOMEM; 166528d61370SYishai Hadas 1666443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 166728d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 166828d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 166928d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 167028d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 167128d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 167228d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 167328d61370SYishai Hadas 167428d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1675f95ef6cbSMaor Gottlieb 1676f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1677f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1678f95ef6cbSMaor Gottlieb 1679175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1680175edba8SMark Bloch 1681309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1682309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1683309fa347SMaor Gottlieb else 1684309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1685309fa347SMaor Gottlieb 168628d61370SYishai Hadas switch (ucmd.rx_hash_function) { 168728d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 168828d61370SYishai Hadas { 168928d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 169028d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 169128d61370SYishai Hadas 169228d61370SYishai Hadas if (len != ucmd.rx_key_len) { 169328d61370SYishai Hadas err = -EINVAL; 169428d61370SYishai Hadas goto err; 169528d61370SYishai Hadas } 169628d61370SYishai Hadas 169728d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 169828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 169928d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 170028d61370SYishai Hadas break; 170128d61370SYishai Hadas } 170228d61370SYishai Hadas default: 170328d61370SYishai Hadas err = -EOPNOTSUPP; 170428d61370SYishai Hadas goto err; 170528d61370SYishai Hadas } 170628d61370SYishai Hadas 170728d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 170828d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 170928d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 171028d61370SYishai Hadas goto create_tir; 171128d61370SYishai Hadas err = -EINVAL; 171228d61370SYishai Hadas goto err; 171328d61370SYishai Hadas } 171428d61370SYishai Hadas 171528d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 171628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 171728d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 171828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 171928d61370SYishai Hadas err = -EINVAL; 172028d61370SYishai Hadas goto err; 172128d61370SYishai Hadas } 172228d61370SYishai Hadas 172328d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 172428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 172528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 172628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 172728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 172828d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 172928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 173028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 173128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 173228d61370SYishai Hadas 17332d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17342d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 173528d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17362d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 17372d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17382d93fc85SMatan Barak 17392d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17402d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 174128d61370SYishai Hadas err = -EINVAL; 174228d61370SYishai Hadas goto err; 174328d61370SYishai Hadas } 174428d61370SYishai Hadas 174528d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 174628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 174728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 174828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 174928d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 175028d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 175128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 175228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 175328d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 175428d61370SYishai Hadas 175528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 175628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 175728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 175828d61370SYishai Hadas 175928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 176028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 176128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 176228d61370SYishai Hadas 176328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 176428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 176528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 176628d61370SYishai Hadas 176728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 176828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 176928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 177028d61370SYishai Hadas 17712d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17722d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17732d93fc85SMatan Barak 177428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 177528d61370SYishai Hadas 177628d61370SYishai Hadas create_tir: 177728d61370SYishai Hadas err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); 177828d61370SYishai Hadas 17790042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 17800042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 17810042f9e4SMark Bloch 17820042f9e4SMark Bloch if (err) 1783443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1784443c1cf9SYishai Hadas to_mpd(pd)->uid); 17850042f9e4SMark Bloch } 17860042f9e4SMark Bloch 178728d61370SYishai Hadas if (err) 178828d61370SYishai Hadas goto err; 178928d61370SYishai Hadas 17907f72052cSYishai Hadas if (mucontext->devx_uid) { 17917f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 17927f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 17937f72052cSYishai Hadas } 17947f72052cSYishai Hadas 17957f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 17967f72052cSYishai Hadas if (err) 17977f72052cSYishai Hadas goto err_copy; 17987f72052cSYishai Hadas 179928d61370SYishai Hadas kvfree(in); 180028d61370SYishai Hadas /* qpn is reserved for that QP */ 180128d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1802d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 180328d61370SYishai Hadas return 0; 180428d61370SYishai Hadas 18057f72052cSYishai Hadas err_copy: 18067f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 180728d61370SYishai Hadas err: 180828d61370SYishai Hadas kvfree(in); 180928d61370SYishai Hadas return err; 181028d61370SYishai Hadas } 181128d61370SYishai Hadas 18125d6ff1baSYonatan Cohen static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, 18135d6ff1baSYonatan Cohen void *qpc) 18145d6ff1baSYonatan Cohen { 18155d6ff1baSYonatan Cohen int rcqe_sz; 18165d6ff1baSYonatan Cohen 18175d6ff1baSYonatan Cohen if (init_attr->qp_type == MLX5_IB_QPT_DCI) 18185d6ff1baSYonatan Cohen return; 18195d6ff1baSYonatan Cohen 18205d6ff1baSYonatan Cohen rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 18215d6ff1baSYonatan Cohen 18225d6ff1baSYonatan Cohen if (rcqe_sz == 128) { 18235d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 18245d6ff1baSYonatan Cohen return; 18255d6ff1baSYonatan Cohen } 18265d6ff1baSYonatan Cohen 18275d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCT) 18285d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); 18295d6ff1baSYonatan Cohen } 18305d6ff1baSYonatan Cohen 18315d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 18325d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18336f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 18345d6ff1baSYonatan Cohen void *qpc) 18355d6ff1baSYonatan Cohen { 18365d6ff1baSYonatan Cohen enum ib_qp_type qpt = init_attr->qp_type; 18375d6ff1baSYonatan Cohen int scqe_sz; 18386f4bc0eaSYonatan Cohen bool allow_scat_cqe = 0; 18395d6ff1baSYonatan Cohen 18405d6ff1baSYonatan Cohen if (qpt == IB_QPT_UC || qpt == IB_QPT_UD) 18415d6ff1baSYonatan Cohen return; 18425d6ff1baSYonatan Cohen 18436f4bc0eaSYonatan Cohen if (ucmd) 18446f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18456f4bc0eaSYonatan Cohen 18466f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18475d6ff1baSYonatan Cohen return; 18485d6ff1baSYonatan Cohen 18495d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18505d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18515d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18525d6ff1baSYonatan Cohen return; 18535d6ff1baSYonatan Cohen } 18545d6ff1baSYonatan Cohen 18555d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 18565d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 18575d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 18585d6ff1baSYonatan Cohen } 18595d6ff1baSYonatan Cohen 1860a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1861a60109dcSYonatan Cohen { 1862a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1863a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1864a60109dcSYonatan Cohen */ 1865a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1866a60109dcSYonatan Cohen int log_max_size; 1867a60109dcSYonatan Cohen 1868a60109dcSYonatan Cohen if (!supported_size_mask) 1869a60109dcSYonatan Cohen return -EOPNOTSUPP; 1870a60109dcSYonatan Cohen 1871a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1872a60109dcSYonatan Cohen 1873a60109dcSYonatan Cohen if (log_max_size > 3) 1874a60109dcSYonatan Cohen return log_max_size; 1875a60109dcSYonatan Cohen 1876a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1877a60109dcSYonatan Cohen } 1878a60109dcSYonatan Cohen 1879a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1880a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1881a60109dcSYonatan Cohen { 1882a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1883a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1884a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1885a60109dcSYonatan Cohen int atomic_size_mask; 1886a60109dcSYonatan Cohen 1887a60109dcSYonatan Cohen if (!atomic) 1888a60109dcSYonatan Cohen return -EOPNOTSUPP; 1889a60109dcSYonatan Cohen 1890a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1891a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1892a60109dcSYonatan Cohen else 1893a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1894a60109dcSYonatan Cohen 1895a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1896a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1897a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1898a60109dcSYonatan Cohen 1899a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1900a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1901a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1902a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1903a60109dcSYonatan Cohen 1904a60109dcSYonatan Cohen return atomic_mode; 1905a60109dcSYonatan Cohen } 1906a60109dcSYonatan Cohen 19072e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 19082e43bb31SYonatan Cohen { 19092e43bb31SYonatan Cohen return (input & ~supported) == 0; 19102e43bb31SYonatan Cohen } 19112e43bb31SYonatan Cohen 1912e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1913e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1914e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1915e126ba97SEli Cohen { 1916e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 191709a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1918938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 19190625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 192089944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 192189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 192289ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 192389ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 192489ea94a7SMaor Gottlieb unsigned long flags; 1925cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 192609a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 192709a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1928e7b169f3SNoa Osherovich int mlx5_st; 1929cfb5e088SHaggai Abramovsky void *qpc; 193009a7d9ecSSaeed Mahameed u32 *in; 193109a7d9ecSSaeed Mahameed int err; 1932e126ba97SEli Cohen 1933e126ba97SEli Cohen mutex_init(&qp->mutex); 1934e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1935e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1936e126ba97SEli Cohen 1937e7b169f3SNoa Osherovich mlx5_st = to_mlx5_st(init_attr->qp_type); 1938e7b169f3SNoa Osherovich if (mlx5_st < 0) 1939e7b169f3SNoa Osherovich return -EINVAL; 1940e7b169f3SNoa Osherovich 194128d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 194228d61370SYishai Hadas if (!udata) 194328d61370SYishai Hadas return -ENOSYS; 194428d61370SYishai Hadas 194528d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 194628d61370SYishai Hadas return err; 194728d61370SYishai Hadas } 194828d61370SYishai Hadas 1949f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1950938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1951f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1952f360d88aSEli Cohen return -EINVAL; 1953f360d88aSEli Cohen } else { 1954f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1955f360d88aSEli Cohen } 1956f360d88aSEli Cohen } 1957f360d88aSEli Cohen 1958051f2630SLeon Romanovsky if (init_attr->create_flags & 1959051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1960051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1961051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1962051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1963051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 1964051f2630SLeon Romanovsky return -EINVAL; 1965051f2630SLeon Romanovsky } 1966051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 1967051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 1968051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 1969051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 1970051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 1971051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 1972051f2630SLeon Romanovsky } 1973f0313965SErez Shitrit 1974f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 1975f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 1976f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 1977f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 1978f0313965SErez Shitrit return -EOPNOTSUPP; 1979f0313965SErez Shitrit } 1980f0313965SErez Shitrit 1981358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 1982358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 1983358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 1984358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1985358e42eaSMajd Dibbiny } 1986358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 1987358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 1988358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 1989358e42eaSMajd Dibbiny return -EOPNOTSUPP; 1990358e42eaSMajd Dibbiny } 1991358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 1992358e42eaSMajd Dibbiny } 1993358e42eaSMajd Dibbiny 1994e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 1995e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 1996e126ba97SEli Cohen 1997e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 1998e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 1999e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 2000e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 2001e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 2002e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 2003e4cc4fa7SNoa Osherovich } 2004e4cc4fa7SNoa Osherovich 2005e00b64f7SShamir Rabinovitch if (udata) { 2006e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 2007e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 2008e126ba97SEli Cohen return -EFAULT; 2009e126ba97SEli Cohen } 2010e126ba97SEli Cohen 20112e43bb31SYonatan Cohen if (!check_flags_mask(ucmd.flags, 2012569c6651SDanit Goldberg MLX5_QP_FLAG_ALLOW_SCATTER_CQE | 20138af526e0SMark Bloch MLX5_QP_FLAG_BFREG_INDEX | 20148af526e0SMark Bloch MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | 20158af526e0SMark Bloch MLX5_QP_FLAG_SCATTER_CQE | 20168af526e0SMark Bloch MLX5_QP_FLAG_SIGNATURE | 20178af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | 20188af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 20198af526e0SMark Bloch MLX5_QP_FLAG_TUNNEL_OFFLOADS | 20208af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCI | 20218af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCT)) 20222e43bb31SYonatan Cohen return -EINVAL; 20232e43bb31SYonatan Cohen 202489944450SShamir Rabinovitch err = get_qp_user_index(ucontext, &ucmd, udata->inlen, &uidx); 2025cfb5e088SHaggai Abramovsky if (err) 2026cfb5e088SHaggai Abramovsky return err; 2027cfb5e088SHaggai Abramovsky 2028e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 20295d6ff1baSYonatan Cohen if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 2030e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 2031f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 2032f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 2033f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 2034f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 2035f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 2036f95ef6cbSMaor Gottlieb } 2037175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 2038175edba8SMark Bloch } 2039175edba8SMark Bloch 2040175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 2041175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2042175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 2043175edba8SMark Bloch return -EOPNOTSUPP; 2044175edba8SMark Bloch } 2045175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 2046175edba8SMark Bloch } 2047175edba8SMark Bloch 2048175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 2049175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2050175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 2051175edba8SMark Bloch return -EOPNOTSUPP; 2052175edba8SMark Bloch } 2053175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 2054f95ef6cbSMaor Gottlieb } 2055c2e53b2cSYishai Hadas 2056569c6651SDanit Goldberg if (ucmd.flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { 2057569c6651SDanit Goldberg if (init_attr->qp_type != IB_QPT_RC || 2058569c6651SDanit Goldberg !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { 2059569c6651SDanit Goldberg mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); 2060569c6651SDanit Goldberg return -EOPNOTSUPP; 2061569c6651SDanit Goldberg } 2062569c6651SDanit Goldberg qp->flags |= MLX5_IB_QP_PACKET_BASED_CREDIT; 2063569c6651SDanit Goldberg } 2064569c6651SDanit Goldberg 2065c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 2066c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 2067c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 2068c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 2069c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 2070c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 2071c2e53b2cSYishai Hadas return -EOPNOTSUPP; 2072c2e53b2cSYishai Hadas } 2073c2e53b2cSYishai Hadas 2074c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 2075c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 2076c2e53b2cSYishai Hadas } 2077e126ba97SEli Cohen } else { 2078e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 2079e126ba97SEli Cohen } 2080e126ba97SEli Cohen 2081c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 2082c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 2083c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2084c2e53b2cSYishai Hadas &qp->trans_qp.base; 2085c2e53b2cSYishai Hadas 2086e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 2087e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 2088e00b64f7SShamir Rabinovitch qp, udata ? &ucmd : NULL); 2089e126ba97SEli Cohen if (err) { 2090e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2091e126ba97SEli Cohen return err; 2092e126ba97SEli Cohen } 2093e126ba97SEli Cohen 2094e126ba97SEli Cohen if (pd) { 2095e00b64f7SShamir Rabinovitch if (udata) { 2096938fe83cSSaeed Mahameed __u32 max_wqes = 2097938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 2098e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 2099e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 2100e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 2101e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 2102e126ba97SEli Cohen return -EINVAL; 2103e126ba97SEli Cohen } 2104938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 2105e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 2106938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 2107e126ba97SEli Cohen return -EINVAL; 2108e126ba97SEli Cohen } 2109b11a4f9cSHaggai Eran if (init_attr->create_flags & 2110b11a4f9cSHaggai Eran mlx5_ib_create_qp_sqpn_qp1()) { 2111b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 2112b11a4f9cSHaggai Eran return -EINVAL; 2113b11a4f9cSHaggai Eran } 21140fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 21150fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2116e126ba97SEli Cohen if (err) 2117e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2118e126ba97SEli Cohen } else { 211919098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 212019098df2Smajd@mellanox.com base); 2121e126ba97SEli Cohen if (err) 2122e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2123e126ba97SEli Cohen } 2124e126ba97SEli Cohen 2125e126ba97SEli Cohen if (err) 2126e126ba97SEli Cohen return err; 2127e126ba97SEli Cohen } else { 21281b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2129e126ba97SEli Cohen if (!in) 2130e126ba97SEli Cohen return -ENOMEM; 2131e126ba97SEli Cohen 2132e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2133e126ba97SEli Cohen } 2134e126ba97SEli Cohen 2135e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2136e126ba97SEli Cohen qp->port = init_attr->port_num; 2137e126ba97SEli Cohen 213809a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 213909a7d9ecSSaeed Mahameed 2140e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 214109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2142e126ba97SEli Cohen 2143e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 214409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2145e126ba97SEli Cohen else 214609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 214709a7d9ecSSaeed Mahameed 2148e126ba97SEli Cohen 2149e126ba97SEli Cohen if (qp->wq_sig) 215009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2151e126ba97SEli Cohen 2152f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 215309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2154f360d88aSEli Cohen 2155051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 215609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 2157051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 215809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 2159051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 216009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 2161569c6651SDanit Goldberg if (qp->flags & MLX5_IB_QP_PACKET_BASED_CREDIT) 2162569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 2163e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 21645d6ff1baSYonatan Cohen configure_responder_scat_cqe(init_attr, qpc); 21656f4bc0eaSYonatan Cohen configure_requester_scat_cqe(dev, init_attr, 2166e00b64f7SShamir Rabinovitch udata ? &ucmd : NULL, 21676f4bc0eaSYonatan Cohen qpc); 2168e126ba97SEli Cohen } 2169e126ba97SEli Cohen 2170e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 217109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 217209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2173e126ba97SEli Cohen } 2174e126ba97SEli Cohen 217509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2176e126ba97SEli Cohen 21773fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 217809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 21793fd3307eSArtemy Kovalyov } else { 218009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 21813fd3307eSArtemy Kovalyov if (init_attr->srq && 21823fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 21833fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 21843fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 21853fd3307eSArtemy Kovalyov } 2186e126ba97SEli Cohen 2187e126ba97SEli Cohen /* Set default resources */ 2188e126ba97SEli Cohen switch (init_attr->qp_type) { 2189e126ba97SEli Cohen case IB_QPT_XRC_TGT: 219009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 219109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 219209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 219309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2194e126ba97SEli Cohen break; 2195e126ba97SEli Cohen case IB_QPT_XRC_INI: 219609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 219709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 219809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2199e126ba97SEli Cohen break; 2200e126ba97SEli Cohen default: 2201e126ba97SEli Cohen if (init_attr->srq) { 220209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 220309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2204e126ba97SEli Cohen } else { 220509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 220609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2207e126ba97SEli Cohen } 2208e126ba97SEli Cohen } 2209e126ba97SEli Cohen 2210e126ba97SEli Cohen if (init_attr->send_cq) 221109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2212e126ba97SEli Cohen 2213e126ba97SEli Cohen if (init_attr->recv_cq) 221409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2215e126ba97SEli Cohen 221609a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2217e126ba97SEli Cohen 2218cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 221909a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2220cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 222109a7d9ecSSaeed Mahameed 2222f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 2223f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2224f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 2225f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2226f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 2227f0313965SErez Shitrit } 2228cfb5e088SHaggai Abramovsky 2229b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 2230b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 2231b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 2232b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 2233b1383aa6SNoa Osherovich goto err; 2234b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2235b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2236b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 2237b1383aa6SNoa Osherovich } else { 2238b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 2239b1383aa6SNoa Osherovich } 2240b1383aa6SNoa Osherovich } 2241b1383aa6SNoa Osherovich 22422c292dbbSBoris Pismenny if (inlen < 0) { 22432c292dbbSBoris Pismenny err = -EINVAL; 22442c292dbbSBoris Pismenny goto err; 22452c292dbbSBoris Pismenny } 22462c292dbbSBoris Pismenny 2247c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 2248c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 22490fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 22500fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 22517f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 22527f72052cSYishai Hadas &resp); 22530fb2ed66Smajd@mellanox.com } else { 225419098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 22550fb2ed66Smajd@mellanox.com } 22560fb2ed66Smajd@mellanox.com 2257e126ba97SEli Cohen if (err) { 2258e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2259e126ba97SEli Cohen goto err_create; 2260e126ba97SEli Cohen } 2261e126ba97SEli Cohen 2262479163f4SAl Viro kvfree(in); 2263e126ba97SEli Cohen 226419098df2Smajd@mellanox.com base->container_mibqp = qp; 226519098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2266e126ba97SEli Cohen 226789ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 226889ea94a7SMaor Gottlieb &send_cq, &recv_cq); 226989ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 227089ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 227189ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 227289ea94a7SMaor Gottlieb * flow 227389ea94a7SMaor Gottlieb */ 227489ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 227589ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 227689ea94a7SMaor Gottlieb */ 227789ea94a7SMaor Gottlieb if (send_cq) 227889ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 227989ea94a7SMaor Gottlieb if (recv_cq) 228089ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 228189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 228289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 228389ea94a7SMaor Gottlieb 2284e126ba97SEli Cohen return 0; 2285e126ba97SEli Cohen 2286e126ba97SEli Cohen err_create: 2287e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2288bdeacabdSShamir Rabinovitch destroy_qp_user(dev, pd, qp, base, udata); 2289e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2290e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2291e126ba97SEli Cohen 2292b1383aa6SNoa Osherovich err: 2293479163f4SAl Viro kvfree(in); 2294e126ba97SEli Cohen return err; 2295e126ba97SEli Cohen } 2296e126ba97SEli Cohen 2297e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2298e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2299e126ba97SEli Cohen { 2300e126ba97SEli Cohen if (send_cq) { 2301e126ba97SEli Cohen if (recv_cq) { 2302e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 230389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2304e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2305e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2306e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 230789ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2308e126ba97SEli Cohen __acquire(&recv_cq->lock); 2309e126ba97SEli Cohen } else { 231089ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2311e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2312e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2313e126ba97SEli Cohen } 2314e126ba97SEli Cohen } else { 231589ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 23166a4f139aSEli Cohen __acquire(&recv_cq->lock); 2317e126ba97SEli Cohen } 2318e126ba97SEli Cohen } else if (recv_cq) { 231989ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 23206a4f139aSEli Cohen __acquire(&send_cq->lock); 23216a4f139aSEli Cohen } else { 23226a4f139aSEli Cohen __acquire(&send_cq->lock); 23236a4f139aSEli Cohen __acquire(&recv_cq->lock); 2324e126ba97SEli Cohen } 2325e126ba97SEli Cohen } 2326e126ba97SEli Cohen 2327e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2328e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2329e126ba97SEli Cohen { 2330e126ba97SEli Cohen if (send_cq) { 2331e126ba97SEli Cohen if (recv_cq) { 2332e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2333e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 233489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2335e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2336e126ba97SEli Cohen __release(&recv_cq->lock); 233789ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2338e126ba97SEli Cohen } else { 2339e126ba97SEli Cohen spin_unlock(&send_cq->lock); 234089ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2341e126ba97SEli Cohen } 2342e126ba97SEli Cohen } else { 23436a4f139aSEli Cohen __release(&recv_cq->lock); 234489ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2345e126ba97SEli Cohen } 2346e126ba97SEli Cohen } else if (recv_cq) { 23476a4f139aSEli Cohen __release(&send_cq->lock); 234889ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23496a4f139aSEli Cohen } else { 23506a4f139aSEli Cohen __release(&recv_cq->lock); 23516a4f139aSEli Cohen __release(&send_cq->lock); 2352e126ba97SEli Cohen } 2353e126ba97SEli Cohen } 2354e126ba97SEli Cohen 2355e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2356e126ba97SEli Cohen { 2357e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2358e126ba97SEli Cohen } 2359e126ba97SEli Cohen 236089ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 236189ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2362e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2363e126ba97SEli Cohen { 236489ea94a7SMaor Gottlieb switch (qp_type) { 2365e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2366e126ba97SEli Cohen *send_cq = NULL; 2367e126ba97SEli Cohen *recv_cq = NULL; 2368e126ba97SEli Cohen break; 2369e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2370e126ba97SEli Cohen case IB_QPT_XRC_INI: 237189ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2372e126ba97SEli Cohen *recv_cq = NULL; 2373e126ba97SEli Cohen break; 2374e126ba97SEli Cohen 2375e126ba97SEli Cohen case IB_QPT_SMI: 2376d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2377e126ba97SEli Cohen case IB_QPT_RC: 2378e126ba97SEli Cohen case IB_QPT_UC: 2379e126ba97SEli Cohen case IB_QPT_UD: 2380e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2381e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 23820fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 238389ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 238489ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2385e126ba97SEli Cohen break; 2386e126ba97SEli Cohen 2387e126ba97SEli Cohen case IB_QPT_MAX: 2388e126ba97SEli Cohen default: 2389e126ba97SEli Cohen *send_cq = NULL; 2390e126ba97SEli Cohen *recv_cq = NULL; 2391e126ba97SEli Cohen break; 2392e126ba97SEli Cohen } 2393e126ba97SEli Cohen } 2394e126ba97SEli Cohen 2395ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 239613eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 239713eab21fSAviv Heller u8 lag_tx_affinity); 2398ad5f8e96Smajd@mellanox.com 2399bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2400bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2401e126ba97SEli Cohen { 2402e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2403c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 240489ea94a7SMaor Gottlieb unsigned long flags; 2405e126ba97SEli Cohen int err; 2406e126ba97SEli Cohen 240728d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 240828d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 240928d61370SYishai Hadas return; 241028d61370SYishai Hadas } 241128d61370SYishai Hadas 2412c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2413c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 24140fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 24150fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 24160fb2ed66Smajd@mellanox.com 24176aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2418c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2419c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2420ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 24211a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 24221a412fb1SSaeed Mahameed NULL, &base->mqp); 2423ad5f8e96Smajd@mellanox.com } else { 24240680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 24250680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 24260680efa2SAlex Vesker }; 24270680efa2SAlex Vesker 242813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2429ad5f8e96Smajd@mellanox.com } 2430ad5f8e96Smajd@mellanox.com if (err) 2431427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 243219098df2Smajd@mellanox.com base->mqp.qpn); 24336aec21f6SHaggai Eran } 2434e126ba97SEli Cohen 243589ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 243689ea94a7SMaor Gottlieb &send_cq, &recv_cq); 243789ea94a7SMaor Gottlieb 243889ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 243989ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 244089ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 244189ea94a7SMaor Gottlieb list_del(&qp->qps_list); 244289ea94a7SMaor Gottlieb if (send_cq) 244389ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 244489ea94a7SMaor Gottlieb 244589ea94a7SMaor Gottlieb if (recv_cq) 244689ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2447e126ba97SEli Cohen 2448e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 244919098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2450e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2451e126ba97SEli Cohen if (send_cq != recv_cq) 245219098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 245319098df2Smajd@mellanox.com NULL); 2454e126ba97SEli Cohen } 245589ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 245689ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2457e126ba97SEli Cohen 2458c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2459c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 24600fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24610fb2ed66Smajd@mellanox.com } else { 246219098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2463e126ba97SEli Cohen if (err) 24640fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 24650fb2ed66Smajd@mellanox.com base->mqp.qpn); 24660fb2ed66Smajd@mellanox.com } 2467e126ba97SEli Cohen 2468e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2469e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2470e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2471bdeacabdSShamir Rabinovitch destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); 2472e126ba97SEli Cohen } 2473e126ba97SEli Cohen 2474e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2475e126ba97SEli Cohen { 2476e126ba97SEli Cohen switch (type) { 2477e126ba97SEli Cohen case IB_QPT_SMI: 2478e126ba97SEli Cohen return "IB_QPT_SMI"; 2479e126ba97SEli Cohen case IB_QPT_GSI: 2480e126ba97SEli Cohen return "IB_QPT_GSI"; 2481e126ba97SEli Cohen case IB_QPT_RC: 2482e126ba97SEli Cohen return "IB_QPT_RC"; 2483e126ba97SEli Cohen case IB_QPT_UC: 2484e126ba97SEli Cohen return "IB_QPT_UC"; 2485e126ba97SEli Cohen case IB_QPT_UD: 2486e126ba97SEli Cohen return "IB_QPT_UD"; 2487e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2488e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2489e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2490e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2491e126ba97SEli Cohen case IB_QPT_XRC_INI: 2492e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2493e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2494e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2495e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2496e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2497e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2498e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2499b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2500b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2501e126ba97SEli Cohen case IB_QPT_MAX: 2502e126ba97SEli Cohen default: 2503e126ba97SEli Cohen return "Invalid QP type"; 2504e126ba97SEli Cohen } 2505e126ba97SEli Cohen } 2506e126ba97SEli Cohen 2507b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2508b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 250989944450SShamir Rabinovitch struct mlx5_ib_create_qp *ucmd, 251089944450SShamir Rabinovitch struct ib_udata *udata) 2511b4aaa1f0SMoni Shoua { 251289944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 251389944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2514b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2515b4aaa1f0SMoni Shoua int err = 0; 2516b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2517b4aaa1f0SMoni Shoua void *dctc; 2518b4aaa1f0SMoni Shoua 2519b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2520b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2521b4aaa1f0SMoni Shoua 252289944450SShamir Rabinovitch err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); 2523b4aaa1f0SMoni Shoua if (err) 2524b4aaa1f0SMoni Shoua return ERR_PTR(err); 2525b4aaa1f0SMoni Shoua 2526b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2527b4aaa1f0SMoni Shoua if (!qp) 2528b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2529b4aaa1f0SMoni Shoua 2530b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2531b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2532b4aaa1f0SMoni Shoua err = -ENOMEM; 2533b4aaa1f0SMoni Shoua goto err_free; 2534b4aaa1f0SMoni Shoua } 2535b4aaa1f0SMoni Shoua 2536a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2537b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2538776a3906SMoni Shoua qp->qp_sub_type = MLX5_IB_QPT_DCT; 2539b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2540b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2541b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2542b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2543b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2544b4aaa1f0SMoni Shoua 25455d6ff1baSYonatan Cohen if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) 25465d6ff1baSYonatan Cohen configure_responder_scat_cqe(attr, dctc); 25475d6ff1baSYonatan Cohen 2548b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2549b4aaa1f0SMoni Shoua 2550b4aaa1f0SMoni Shoua return &qp->ibqp; 2551b4aaa1f0SMoni Shoua err_free: 2552b4aaa1f0SMoni Shoua kfree(qp); 2553b4aaa1f0SMoni Shoua return ERR_PTR(err); 2554b4aaa1f0SMoni Shoua } 2555b4aaa1f0SMoni Shoua 2556b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2557e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2558b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2559b4aaa1f0SMoni Shoua struct ib_udata *udata) 2560b4aaa1f0SMoni Shoua { 2561b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2562b4aaa1f0SMoni Shoua int err; 2563b4aaa1f0SMoni Shoua 2564b4aaa1f0SMoni Shoua if (!udata) 2565b4aaa1f0SMoni Shoua return -EINVAL; 2566b4aaa1f0SMoni Shoua 2567b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2568b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2569b4aaa1f0SMoni Shoua return -EINVAL; 2570b4aaa1f0SMoni Shoua } 2571b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2572b4aaa1f0SMoni Shoua if (err) 2573b4aaa1f0SMoni Shoua return err; 2574b4aaa1f0SMoni Shoua 2575b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2576b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2577b4aaa1f0SMoni Shoua } else { 2578b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2579b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2580b4aaa1f0SMoni Shoua } else { 2581b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2582b4aaa1f0SMoni Shoua return -EINVAL; 2583b4aaa1f0SMoni Shoua } 2584b4aaa1f0SMoni Shoua } 2585b4aaa1f0SMoni Shoua 2586b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2587b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2588b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2589b4aaa1f0SMoni Shoua } 2590b4aaa1f0SMoni Shoua 2591b4aaa1f0SMoni Shoua return 0; 2592b4aaa1f0SMoni Shoua } 2593b4aaa1f0SMoni Shoua 2594b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2595b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2596e126ba97SEli Cohen struct ib_udata *udata) 2597e126ba97SEli Cohen { 2598e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2599e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2600e126ba97SEli Cohen u16 xrcdn = 0; 2601e126ba97SEli Cohen int err; 2602b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2603b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 260489944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 260589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2606e126ba97SEli Cohen 2607e126ba97SEli Cohen if (pd) { 2608e126ba97SEli Cohen dev = to_mdev(pd->device); 26090fb2ed66Smajd@mellanox.com 26100fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 261189944450SShamir Rabinovitch if (!ucontext) { 26120fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 26130fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 261489944450SShamir Rabinovitch } else if (!ucontext->cqe_version) { 26150fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 26160fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 26170fb2ed66Smajd@mellanox.com } 26180fb2ed66Smajd@mellanox.com } 261909f16cf5SMajd Dibbiny } else { 262009f16cf5SMajd Dibbiny /* being cautious here */ 262109f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 262209f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 262309f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 262409f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 262509f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 262609f16cf5SMajd Dibbiny } 262709f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2628e126ba97SEli Cohen } 2629e126ba97SEli Cohen 2630b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2631b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2632b4aaa1f0SMoni Shoua 2633b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2634b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2635b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2636b4aaa1f0SMoni Shoua if (err) 2637b4aaa1f0SMoni Shoua return ERR_PTR(err); 2638c32a4f29SMoni Shoua 2639c32a4f29SMoni Shoua if (init_attr->qp_type == MLX5_IB_QPT_DCI) { 2640c32a4f29SMoni Shoua if (init_attr->cap.max_recv_wr || 2641c32a4f29SMoni Shoua init_attr->cap.max_recv_sge) { 2642c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); 2643c32a4f29SMoni Shoua return ERR_PTR(-EINVAL); 2644c32a4f29SMoni Shoua } 2645776a3906SMoni Shoua } else { 264689944450SShamir Rabinovitch return mlx5_ib_create_dct(pd, init_attr, &ucmd, udata); 2647c32a4f29SMoni Shoua } 2648b4aaa1f0SMoni Shoua } 2649b4aaa1f0SMoni Shoua 2650e126ba97SEli Cohen switch (init_attr->qp_type) { 2651e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2652e126ba97SEli Cohen case IB_QPT_XRC_INI: 2653938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2654e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2655e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2656e126ba97SEli Cohen } 2657e126ba97SEli Cohen init_attr->recv_cq = NULL; 2658e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2659e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2660e126ba97SEli Cohen init_attr->send_cq = NULL; 2661e126ba97SEli Cohen } 2662e126ba97SEli Cohen 2663e126ba97SEli Cohen /* fall through */ 26640fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2665e126ba97SEli Cohen case IB_QPT_RC: 2666e126ba97SEli Cohen case IB_QPT_UC: 2667e126ba97SEli Cohen case IB_QPT_UD: 2668e126ba97SEli Cohen case IB_QPT_SMI: 2669d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2670e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2671c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: 2672e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2673e126ba97SEli Cohen if (!qp) 2674e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2675e126ba97SEli Cohen 2676e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2677e126ba97SEli Cohen if (err) { 2678e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2679e126ba97SEli Cohen kfree(qp); 2680e126ba97SEli Cohen return ERR_PTR(err); 2681e126ba97SEli Cohen } 2682e126ba97SEli Cohen 2683e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2684e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2685e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2686e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2687e126ba97SEli Cohen else 268819098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2689e126ba97SEli Cohen 2690e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 269119098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2692a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2693a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2694e126ba97SEli Cohen 269519098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2696e126ba97SEli Cohen 2697e126ba97SEli Cohen break; 2698e126ba97SEli Cohen 2699d16e91daSHaggai Eran case IB_QPT_GSI: 2700d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2701d16e91daSHaggai Eran 2702e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2703e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2704e126ba97SEli Cohen case IB_QPT_MAX: 2705e126ba97SEli Cohen default: 2706e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2707e126ba97SEli Cohen init_attr->qp_type); 2708e126ba97SEli Cohen /* Don't support raw QPs */ 2709e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2710e126ba97SEli Cohen } 2711e126ba97SEli Cohen 2712b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2713b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2714b4aaa1f0SMoni Shoua 2715e126ba97SEli Cohen return &qp->ibqp; 2716e126ba97SEli Cohen } 2717e126ba97SEli Cohen 2718776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2719776a3906SMoni Shoua { 2720776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2721776a3906SMoni Shoua 2722776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2723776a3906SMoni Shoua int err; 2724776a3906SMoni Shoua 2725776a3906SMoni Shoua err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); 2726776a3906SMoni Shoua if (err) { 2727776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2728776a3906SMoni Shoua return err; 2729776a3906SMoni Shoua } 2730776a3906SMoni Shoua } 2731776a3906SMoni Shoua 2732776a3906SMoni Shoua kfree(mqp->dct.in); 2733776a3906SMoni Shoua kfree(mqp); 2734776a3906SMoni Shoua return 0; 2735776a3906SMoni Shoua } 2736776a3906SMoni Shoua 2737c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2738e126ba97SEli Cohen { 2739e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2740e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2741e126ba97SEli Cohen 2742d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2743d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2744d16e91daSHaggai Eran 2745776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2746776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2747776a3906SMoni Shoua 2748bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2749e126ba97SEli Cohen 2750e126ba97SEli Cohen kfree(mqp); 2751e126ba97SEli Cohen 2752e126ba97SEli Cohen return 0; 2753e126ba97SEli Cohen } 2754e126ba97SEli Cohen 2755a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2756a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2757bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2758e126ba97SEli Cohen { 2759e126ba97SEli Cohen u8 dest_rd_atomic; 2760bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2761e126ba97SEli Cohen 2762a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2763a60109dcSYonatan Cohen 2764e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2765e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2766e126ba97SEli Cohen else 276719098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2768e126ba97SEli Cohen 2769e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2770e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2771e126ba97SEli Cohen else 277219098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2773e126ba97SEli Cohen 2774e126ba97SEli Cohen if (!dest_rd_atomic) 2775e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2776e126ba97SEli Cohen 2777e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2778bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 277913f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2780a60109dcSYonatan Cohen int atomic_mode; 2781e126ba97SEli Cohen 2782a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2783a60109dcSYonatan Cohen if (atomic_mode < 0) 2784a60109dcSYonatan Cohen return -EOPNOTSUPP; 2785a60109dcSYonatan Cohen 2786bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2787bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2788a60109dcSYonatan Cohen } 2789a60109dcSYonatan Cohen 2790a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2791bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 2792a60109dcSYonatan Cohen 2793bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 2794a60109dcSYonatan Cohen 2795a60109dcSYonatan Cohen return 0; 2796e126ba97SEli Cohen } 2797e126ba97SEli Cohen 2798e126ba97SEli Cohen enum { 2799e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2800e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2801e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2802e126ba97SEli Cohen }; 2803e126ba97SEli Cohen 2804e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2805e126ba97SEli Cohen { 28064f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2807e126ba97SEli Cohen return 0; 28084f32ac2eSDanit Goldberg 2809a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 2810e126ba97SEli Cohen return -EINVAL; 28114f32ac2eSDanit Goldberg 28124f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2813e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2814938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2815e126ba97SEli Cohen --rate; 2816e126ba97SEli Cohen 28174f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2818e126ba97SEli Cohen } 2819e126ba97SEli Cohen 282075850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 28211cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 28221cd6dbd3SYishai Hadas struct ib_pd *pd) 282375850d0bSmajd@mellanox.com { 282475850d0bSmajd@mellanox.com void *in; 282575850d0bSmajd@mellanox.com void *tisc; 282675850d0bSmajd@mellanox.com int inlen; 282775850d0bSmajd@mellanox.com int err; 282875850d0bSmajd@mellanox.com 282975850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 28301b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 283175850d0bSmajd@mellanox.com if (!in) 283275850d0bSmajd@mellanox.com return -ENOMEM; 283375850d0bSmajd@mellanox.com 283475850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 28351cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 283675850d0bSmajd@mellanox.com 283775850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 283875850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 283975850d0bSmajd@mellanox.com 284075850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 284175850d0bSmajd@mellanox.com 284275850d0bSmajd@mellanox.com kvfree(in); 284375850d0bSmajd@mellanox.com 284475850d0bSmajd@mellanox.com return err; 284575850d0bSmajd@mellanox.com } 284675850d0bSmajd@mellanox.com 284713eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 28481cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 28491cd6dbd3SYishai Hadas struct ib_pd *pd) 285013eab21fSAviv Heller { 285113eab21fSAviv Heller void *in; 285213eab21fSAviv Heller void *tisc; 285313eab21fSAviv Heller int inlen; 285413eab21fSAviv Heller int err; 285513eab21fSAviv Heller 285613eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 28571b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 285813eab21fSAviv Heller if (!in) 285913eab21fSAviv Heller return -ENOMEM; 286013eab21fSAviv Heller 286113eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 28621cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 286313eab21fSAviv Heller 286413eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 286513eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 286613eab21fSAviv Heller 286713eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 286813eab21fSAviv Heller 286913eab21fSAviv Heller kvfree(in); 287013eab21fSAviv Heller 287113eab21fSAviv Heller return err; 287213eab21fSAviv Heller } 287313eab21fSAviv Heller 287475850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 287590898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2876e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2877f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2878f879ee8dSAchiad Shochat bool alt) 2879e126ba97SEli Cohen { 2880d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2881e126ba97SEli Cohen int err; 2882ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2883d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2884d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2885e126ba97SEli Cohen 2886e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2887f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2888f879ee8dSAchiad Shochat attr->pkey_index); 2889e126ba97SEli Cohen 2890d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2891d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2892938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2893f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2894d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2895938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2896f83b4263SEli Cohen return -EINVAL; 2897f83b4263SEli Cohen } 28982811ba51SAchiad Shochat } 289944c58487SDasaratharaman Chandramouli 290044c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2901d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 29022811ba51SAchiad Shochat return -EINVAL; 290347ec3866SParav Pandit 290444c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 29052b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 29062b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 29072b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 29082b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 290947ec3866SParav Pandit path->udp_sport = 291047ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 2911d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 291247ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 2913ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2914d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 29152811ba51SAchiad Shochat } else { 2916d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2917d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2918d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2919d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2920d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2921d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2922e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2923d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 29242811ba51SAchiad Shochat } 29252811ba51SAchiad Shochat 2926d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2927d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2928d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2929e126ba97SEli Cohen path->tclass_flowlabel = 2930d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2931d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2932d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2933e126ba97SEli Cohen } 2934e126ba97SEli Cohen 2935d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2936e126ba97SEli Cohen if (err < 0) 2937e126ba97SEli Cohen return err; 2938e126ba97SEli Cohen path->static_rate = err; 2939e126ba97SEli Cohen path->port = port; 2940e126ba97SEli Cohen 2941e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2942f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2943e126ba97SEli Cohen 294475850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 294575850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 294675850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 29471cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 294875850d0bSmajd@mellanox.com 2949e126ba97SEli Cohen return 0; 2950e126ba97SEli Cohen } 2951e126ba97SEli Cohen 2952e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2953e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2954e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2955e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2956e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2957e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2958e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2959e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2960e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2961e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2962e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2963e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2964e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 2965e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2966e126ba97SEli Cohen }, 2967e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2968e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2969e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2970e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2971e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2972e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2973e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2974e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2975e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2976e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 2977e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2978e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 2979e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 2980a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2981a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 2982a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 2983a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 2984a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 2985e126ba97SEli Cohen }, 2986e126ba97SEli Cohen }, 2987e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 2988e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 2989e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2990e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 2991e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2992e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2993e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 2994e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 2995e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 2996e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2997e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 2998e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 2999e126ba97SEli Cohen }, 3000e126ba97SEli Cohen }, 3001e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3002e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3003e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3004e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3005e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3006e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3007c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3008c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3009e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3010c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3011c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3012e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3013e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3014e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 3015e126ba97SEli Cohen }, 3016e126ba97SEli Cohen }, 3017e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3018e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3019e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3020e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 302175959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3022a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3023a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3024a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3025a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 3026e126ba97SEli Cohen }, 3027e126ba97SEli Cohen }, 3028e126ba97SEli Cohen }; 3029e126ba97SEli Cohen 3030e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3031e126ba97SEli Cohen { 3032e126ba97SEli Cohen switch (ib_mask) { 3033e126ba97SEli Cohen case IB_QP_STATE: 3034e126ba97SEli Cohen return 0; 3035e126ba97SEli Cohen case IB_QP_CUR_STATE: 3036e126ba97SEli Cohen return 0; 3037e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3038e126ba97SEli Cohen return 0; 3039e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3040e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3041e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3042e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3043e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3044e126ba97SEli Cohen case IB_QP_PORT: 3045e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3046e126ba97SEli Cohen case IB_QP_QKEY: 3047e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3048e126ba97SEli Cohen case IB_QP_AV: 3049e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3050e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3051e126ba97SEli Cohen case IB_QP_PATH_MTU: 3052e126ba97SEli Cohen return 0; 3053e126ba97SEli Cohen case IB_QP_TIMEOUT: 3054e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3055e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3056e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3057e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3058e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3059e126ba97SEli Cohen case IB_QP_RQ_PSN: 3060e126ba97SEli Cohen return 0; 3061e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3062e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3063e126ba97SEli Cohen case IB_QP_ALT_PATH: 3064e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3065e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3066e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3067e126ba97SEli Cohen case IB_QP_SQ_PSN: 3068e126ba97SEli Cohen return 0; 3069e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3070e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3071e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3072e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3073e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3074e126ba97SEli Cohen case IB_QP_CAP: 3075e126ba97SEli Cohen return 0; 3076e126ba97SEli Cohen case IB_QP_DEST_QPN: 3077e126ba97SEli Cohen return 0; 3078e126ba97SEli Cohen } 3079e126ba97SEli Cohen return 0; 3080e126ba97SEli Cohen } 3081e126ba97SEli Cohen 3082e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3083e126ba97SEli Cohen { 3084e126ba97SEli Cohen int result = 0; 3085e126ba97SEli Cohen int i; 3086e126ba97SEli Cohen 3087e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3088e126ba97SEli Cohen if ((1 << i) & ib_mask) 3089e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3090e126ba97SEli Cohen } 3091e126ba97SEli Cohen 3092e126ba97SEli Cohen return result; 3093e126ba97SEli Cohen } 3094e126ba97SEli Cohen 309534d57585SYishai Hadas static int modify_raw_packet_qp_rq( 309634d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 309734d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3098ad5f8e96Smajd@mellanox.com { 3099ad5f8e96Smajd@mellanox.com void *in; 3100ad5f8e96Smajd@mellanox.com void *rqc; 3101ad5f8e96Smajd@mellanox.com int inlen; 3102ad5f8e96Smajd@mellanox.com int err; 3103ad5f8e96Smajd@mellanox.com 3104ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 31051b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3106ad5f8e96Smajd@mellanox.com if (!in) 3107ad5f8e96Smajd@mellanox.com return -ENOMEM; 3108ad5f8e96Smajd@mellanox.com 3109ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 311034d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3111ad5f8e96Smajd@mellanox.com 3112ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3113ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3114ad5f8e96Smajd@mellanox.com 3115eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3116eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3117eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 311823a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3119eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3120eb49ab0cSAlex Vesker } else 31215a738b5dSJason Gunthorpe dev_info_once( 31225a738b5dSJason Gunthorpe &dev->ib_dev.dev, 31235a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3124eb49ab0cSAlex Vesker } 3125eb49ab0cSAlex Vesker 3126eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 3127ad5f8e96Smajd@mellanox.com if (err) 3128ad5f8e96Smajd@mellanox.com goto out; 3129ad5f8e96Smajd@mellanox.com 3130ad5f8e96Smajd@mellanox.com rq->state = new_state; 3131ad5f8e96Smajd@mellanox.com 3132ad5f8e96Smajd@mellanox.com out: 3133ad5f8e96Smajd@mellanox.com kvfree(in); 3134ad5f8e96Smajd@mellanox.com return err; 3135ad5f8e96Smajd@mellanox.com } 3136ad5f8e96Smajd@mellanox.com 3137c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3138c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3139c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3140ad5f8e96Smajd@mellanox.com { 31417d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 314261147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 314361147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 314461147f39SBodong Wang bool new_rate_added = false; 31457d29f349SBodong Wang u16 rl_index = 0; 3146ad5f8e96Smajd@mellanox.com void *in; 3147ad5f8e96Smajd@mellanox.com void *sqc; 3148ad5f8e96Smajd@mellanox.com int inlen; 3149ad5f8e96Smajd@mellanox.com int err; 3150ad5f8e96Smajd@mellanox.com 3151ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 31521b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3153ad5f8e96Smajd@mellanox.com if (!in) 3154ad5f8e96Smajd@mellanox.com return -ENOMEM; 3155ad5f8e96Smajd@mellanox.com 3156c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3157ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3158ad5f8e96Smajd@mellanox.com 3159ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3160ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3161ad5f8e96Smajd@mellanox.com 31627d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 31637d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 31647d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 31657d29f349SBodong Wang __func__); 31667d29f349SBodong Wang else 316761147f39SBodong Wang new_rl = raw_qp_param->rl; 31687d29f349SBodong Wang } 3169ad5f8e96Smajd@mellanox.com 317061147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 317161147f39SBodong Wang if (new_rl.rate) { 317261147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 31737d29f349SBodong Wang if (err) { 317461147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 317561147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 317661147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 317761147f39SBodong Wang new_rl.typical_pkt_sz); 317861147f39SBodong Wang 31797d29f349SBodong Wang goto out; 31807d29f349SBodong Wang } 318161147f39SBodong Wang new_rate_added = true; 31827d29f349SBodong Wang } 31837d29f349SBodong Wang 31847d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 318561147f39SBodong Wang /* index 0 means no limit */ 31867d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 31877d29f349SBodong Wang } 31887d29f349SBodong Wang 31897d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 31907d29f349SBodong Wang if (err) { 31917d29f349SBodong Wang /* Remove new rate from table if failed */ 319261147f39SBodong Wang if (new_rate_added) 319361147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 31947d29f349SBodong Wang goto out; 31957d29f349SBodong Wang } 31967d29f349SBodong Wang 31977d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 319861147f39SBodong Wang if ((old_rl.rate && 319961147f39SBodong Wang !mlx5_rl_are_equal(&old_rl, &new_rl)) || 32007d29f349SBodong Wang (new_state != MLX5_SQC_STATE_RDY)) 320161147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 32027d29f349SBodong Wang 320361147f39SBodong Wang ibqp->rl = new_rl; 3204ad5f8e96Smajd@mellanox.com sq->state = new_state; 3205ad5f8e96Smajd@mellanox.com 3206ad5f8e96Smajd@mellanox.com out: 3207ad5f8e96Smajd@mellanox.com kvfree(in); 3208ad5f8e96Smajd@mellanox.com return err; 3209ad5f8e96Smajd@mellanox.com } 3210ad5f8e96Smajd@mellanox.com 3211ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 321213eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 321313eab21fSAviv Heller u8 tx_affinity) 3214ad5f8e96Smajd@mellanox.com { 3215ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3216ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3217ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 32187d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 32197d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3220ad5f8e96Smajd@mellanox.com int rq_state; 3221ad5f8e96Smajd@mellanox.com int sq_state; 3222ad5f8e96Smajd@mellanox.com int err; 3223ad5f8e96Smajd@mellanox.com 32240680efa2SAlex Vesker switch (raw_qp_param->operation) { 3225ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3226ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3227ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3228ad5f8e96Smajd@mellanox.com break; 3229ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3230ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3231ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3232ad5f8e96Smajd@mellanox.com break; 3233ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3234ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3235ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3236ad5f8e96Smajd@mellanox.com break; 3237ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3238ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 32397d29f349SBodong Wang if (raw_qp_param->set_mask == 32407d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 32417d29f349SBodong Wang modify_rq = 0; 32427d29f349SBodong Wang sq_state = sq->state; 32437d29f349SBodong Wang } else { 32447d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 32457d29f349SBodong Wang } 32467d29f349SBodong Wang break; 32477d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 32487d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3249eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3250eb49ab0cSAlex Vesker return -EINVAL; 3251eb49ab0cSAlex Vesker else 3252ad5f8e96Smajd@mellanox.com return 0; 3253ad5f8e96Smajd@mellanox.com default: 3254ad5f8e96Smajd@mellanox.com WARN_ON(1); 3255ad5f8e96Smajd@mellanox.com return -EINVAL; 3256ad5f8e96Smajd@mellanox.com } 3257ad5f8e96Smajd@mellanox.com 32587d29f349SBodong Wang if (modify_rq) { 325934d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 326034d57585SYishai Hadas qp->ibqp.pd); 3261ad5f8e96Smajd@mellanox.com if (err) 3262ad5f8e96Smajd@mellanox.com return err; 3263ad5f8e96Smajd@mellanox.com } 3264ad5f8e96Smajd@mellanox.com 32657d29f349SBodong Wang if (modify_sq) { 3266d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3267d5ed8ac3SMark Bloch 326813eab21fSAviv Heller if (tx_affinity) { 326913eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 32701cd6dbd3SYishai Hadas tx_affinity, 32711cd6dbd3SYishai Hadas qp->ibqp.pd); 327213eab21fSAviv Heller if (err) 327313eab21fSAviv Heller return err; 327413eab21fSAviv Heller } 327513eab21fSAviv Heller 3276d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3277d5ed8ac3SMark Bloch raw_qp_param->port); 3278d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 32791db86318SColin Ian King return PTR_ERR(flow_rule); 3280d5ed8ac3SMark Bloch 3281d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3282c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3283d5ed8ac3SMark Bloch if (err) { 3284d5ed8ac3SMark Bloch if (flow_rule) 3285d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3286d5ed8ac3SMark Bloch return err; 3287d5ed8ac3SMark Bloch } 3288d5ed8ac3SMark Bloch 3289d5ed8ac3SMark Bloch if (flow_rule) { 3290d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3291d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3292d5ed8ac3SMark Bloch } 3293d5ed8ac3SMark Bloch 3294d5ed8ac3SMark Bloch return err; 329513eab21fSAviv Heller } 3296ad5f8e96Smajd@mellanox.com 3297ad5f8e96Smajd@mellanox.com return 0; 3298ad5f8e96Smajd@mellanox.com } 3299ad5f8e96Smajd@mellanox.com 3300c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3301c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3302c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 330389944450SShamir Rabinovitch u8 port_num, struct ib_udata *udata) 3304c6a21c38SMajd Dibbiny { 330589944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 330689944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 3307c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3308c6a21c38SMajd Dibbiny 3309c6a21c38SMajd Dibbiny if (ucontext) { 3310c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3311c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3312c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3313c6a21c38SMajd Dibbiny 1; 3314c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3315c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3316c6a21c38SMajd Dibbiny } else { 3317c6a21c38SMajd Dibbiny tx_port_affinity = 3318c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 331995579e78SMark Bloch 1, &dev->port[port_num].roce.tx_port_affinity) % 3320c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3321c6a21c38SMajd Dibbiny 1; 3322c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3323c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3324c6a21c38SMajd Dibbiny } 3325c6a21c38SMajd Dibbiny 3326c6a21c38SMajd Dibbiny return tx_port_affinity; 3327c6a21c38SMajd Dibbiny } 3328c6a21c38SMajd Dibbiny 3329e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3330e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 333189944450SShamir Rabinovitch enum ib_qp_state cur_state, 333289944450SShamir Rabinovitch enum ib_qp_state new_state, 333389944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 333489944450SShamir Rabinovitch struct ib_udata *udata) 3335e126ba97SEli Cohen { 3336427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3337427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3338427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3339427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3340427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3341427c1e7bSmajd@mellanox.com }, 3342427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3343427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3344427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3345427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3346427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3347427c1e7bSmajd@mellanox.com }, 3348427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3349427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3350427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3351427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3352427c1e7bSmajd@mellanox.com }, 3353427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3354427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3355427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3356427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3357427c1e7bSmajd@mellanox.com }, 3358427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3359427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3360427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3361427c1e7bSmajd@mellanox.com }, 3362427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3363427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3364427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3365427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3366427c1e7bSmajd@mellanox.com }, 3367427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3368427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3369427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3370427c1e7bSmajd@mellanox.com } 3371427c1e7bSmajd@mellanox.com }; 3372427c1e7bSmajd@mellanox.com 3373e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3374e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 337519098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3376e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3377e126ba97SEli Cohen struct mlx5_qp_context *context; 3378e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3379eb49ab0cSAlex Vesker struct mlx5_ib_port *mibport = NULL; 3380e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3381e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3382e126ba97SEli Cohen int mlx5_st; 3383e126ba97SEli Cohen int err; 3384427c1e7bSmajd@mellanox.com u16 op; 338513eab21fSAviv Heller u8 tx_affinity = 0; 3386e126ba97SEli Cohen 338755de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 338855de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 338955de9a77SLeon Romanovsky if (mlx5_st < 0) 339055de9a77SLeon Romanovsky return -EINVAL; 339155de9a77SLeon Romanovsky 33921a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 33931a412fb1SSaeed Mahameed if (!context) 3394e126ba97SEli Cohen return -ENOMEM; 3395e126ba97SEli Cohen 3396c6a21c38SMajd Dibbiny pd = get_pd(qp); 339755de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3398e126ba97SEli Cohen 3399e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3400e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3401e126ba97SEli Cohen } else { 3402e126ba97SEli Cohen switch (attr->path_mig_state) { 3403e126ba97SEli Cohen case IB_MIG_MIGRATED: 3404e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3405e126ba97SEli Cohen break; 3406e126ba97SEli Cohen case IB_MIG_REARM: 3407e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3408e126ba97SEli Cohen break; 3409e126ba97SEli Cohen case IB_MIG_ARMED: 3410e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3411e126ba97SEli Cohen break; 3412e126ba97SEli Cohen } 3413e126ba97SEli Cohen } 3414e126ba97SEli Cohen 341513eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 341613eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 341713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 341813eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 341913eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 342013eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 342113eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 342213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 34237c34ec19SAviv Heller if (dev->lag_active) { 342495579e78SMark Bloch u8 p = mlx5_core_native_port_num(dev->mdev) - 1; 342589944450SShamir Rabinovitch tx_affinity = get_tx_affinity(dev, pd, base, p, 342689944450SShamir Rabinovitch udata); 342713eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 342813eab21fSAviv Heller } 342913eab21fSAviv Heller } 343013eab21fSAviv Heller } 343113eab21fSAviv Heller 3432d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3433e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3434c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 3435c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 3436e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3437e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3438e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3439e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3440e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3441e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3442e126ba97SEli Cohen err = -EINVAL; 3443e126ba97SEli Cohen goto out; 3444e126ba97SEli Cohen } 3445938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3446938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3447e126ba97SEli Cohen } 3448e126ba97SEli Cohen 3449e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3450e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3451e126ba97SEli Cohen 3452e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3453d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3454e126ba97SEli Cohen 3455e126ba97SEli Cohen /* todo implement counter_index functionality */ 3456e126ba97SEli Cohen 3457e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3458e126ba97SEli Cohen context->pri_path.port = qp->port; 3459e126ba97SEli Cohen 3460e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3461e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3462e126ba97SEli Cohen 3463e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 346475850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3465e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3466f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3467e126ba97SEli Cohen if (err) 3468e126ba97SEli Cohen goto out; 3469e126ba97SEli Cohen } 3470e126ba97SEli Cohen 3471e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3472e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3473e126ba97SEli Cohen 3474e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 347575850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 347675850d0bSmajd@mellanox.com &context->alt_path, 3477f879ee8dSAchiad Shochat attr->alt_port_num, 3478f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3479f879ee8dSAchiad Shochat 0, attr, true); 3480e126ba97SEli Cohen if (err) 3481e126ba97SEli Cohen goto out; 3482e126ba97SEli Cohen } 3483e126ba97SEli Cohen 348489ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 348589ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3486e126ba97SEli Cohen 3487e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3488e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3489e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3490e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3491e126ba97SEli Cohen 3492e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3493e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3494e126ba97SEli Cohen 3495e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3496e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3497e126ba97SEli Cohen 3498e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3499e126ba97SEli Cohen if (attr->max_rd_atomic) 3500e126ba97SEli Cohen context->params1 |= 3501e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3502e126ba97SEli Cohen } 3503e126ba97SEli Cohen 3504e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3505e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3506e126ba97SEli Cohen 3507e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3508e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3509e126ba97SEli Cohen context->params2 |= 3510e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3511e126ba97SEli Cohen } 3512e126ba97SEli Cohen 3513a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3514bf3b4f06SBart Van Assche __be32 access_flags; 3515a60109dcSYonatan Cohen 3516a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3517a60109dcSYonatan Cohen if (err) 3518a60109dcSYonatan Cohen goto out; 3519a60109dcSYonatan Cohen 3520a60109dcSYonatan Cohen context->params2 |= access_flags; 3521a60109dcSYonatan Cohen } 3522e126ba97SEli Cohen 3523e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3524e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3525e126ba97SEli Cohen 3526e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3527e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3528e126ba97SEli Cohen 3529e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3530e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3531e126ba97SEli Cohen 3532e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3533e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3534e126ba97SEli Cohen 35350837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 35360837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 35370837e86aSMark Bloch qp->port) - 1; 3538c2e53b2cSYishai Hadas 3539c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3540c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3541c2e53b2cSYishai Hadas port_num = 0; 3542c2e53b2cSYishai Hadas 3543eb49ab0cSAlex Vesker mibport = &dev->port[port_num]; 35440837e86aSMark Bloch context->qp_counter_set_usr_page |= 3545e1f24a79SParav Pandit cpu_to_be32((u32)(mibport->cnts.set_id) << 24); 35460837e86aSMark Bloch } 35470837e86aSMark Bloch 3548e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3549e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3550e126ba97SEli Cohen 3551b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3552b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3553e126ba97SEli Cohen 3554e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3555e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3556e126ba97SEli Cohen 3557427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 35585d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 35595d414b17SDan Carpenter err = -EINVAL; 3560427c1e7bSmajd@mellanox.com goto out; 35615d414b17SDan Carpenter } 3562427c1e7bSmajd@mellanox.com 3563427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3564e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3565e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3566ad5f8e96Smajd@mellanox.com 3567c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3568c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 35690680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 35700680efa2SAlex Vesker 35710680efa2SAlex Vesker raw_qp_param.operation = op; 3572eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3573e1f24a79SParav Pandit raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; 3574eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3575eb49ab0cSAlex Vesker } 35767d29f349SBodong Wang 3577d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3578d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3579d5ed8ac3SMark Bloch 35807d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 358161147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 358261147f39SBodong Wang 358361147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 358461147f39SBodong Wang if (attr->rate_limit && 358561147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 358661147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 358761147f39SBodong Wang ucmd->burst_info.max_burst_sz; 358861147f39SBodong Wang } else { 358961147f39SBodong Wang err = -EINVAL; 359061147f39SBodong Wang goto out; 359161147f39SBodong Wang } 359261147f39SBodong Wang } 359361147f39SBodong Wang 359461147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 359561147f39SBodong Wang if (attr->rate_limit && 359661147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 359761147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 359861147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 359961147f39SBodong Wang } else { 360061147f39SBodong Wang err = -EINVAL; 360161147f39SBodong Wang goto out; 360261147f39SBodong Wang } 360361147f39SBodong Wang } 360461147f39SBodong Wang 36057d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 36067d29f349SBodong Wang } 36077d29f349SBodong Wang 360813eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 36090680efa2SAlex Vesker } else { 36101a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 361119098df2Smajd@mellanox.com &base->mqp); 36120680efa2SAlex Vesker } 36130680efa2SAlex Vesker 3614e126ba97SEli Cohen if (err) 3615e126ba97SEli Cohen goto out; 3616e126ba97SEli Cohen 3617e126ba97SEli Cohen qp->state = new_state; 3618e126ba97SEli Cohen 3619e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 362019098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3621e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 362219098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3623e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3624e126ba97SEli Cohen qp->port = attr->port_num; 3625e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 362619098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3627e126ba97SEli Cohen 3628e126ba97SEli Cohen /* 3629e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3630e126ba97SEli Cohen * entries and reinitialize the QP. 3631e126ba97SEli Cohen */ 363275a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 363375a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 363419098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3635e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3636e126ba97SEli Cohen if (send_cq != recv_cq) 363719098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3638e126ba97SEli Cohen 3639e126ba97SEli Cohen qp->rq.head = 0; 3640e126ba97SEli Cohen qp->rq.tail = 0; 3641e126ba97SEli Cohen qp->sq.head = 0; 3642e126ba97SEli Cohen qp->sq.tail = 0; 3643e126ba97SEli Cohen qp->sq.cur_post = 0; 364434f4c955SGuy Levi if (qp->sq.wqe_cnt) 364534f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3646e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3647e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3648e126ba97SEli Cohen } 3649e126ba97SEli Cohen 3650e126ba97SEli Cohen out: 36511a412fb1SSaeed Mahameed kfree(context); 3652e126ba97SEli Cohen return err; 3653e126ba97SEli Cohen } 3654e126ba97SEli Cohen 3655c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3656c32a4f29SMoni Shoua { 3657c32a4f29SMoni Shoua if ((mask & req) != req) 3658c32a4f29SMoni Shoua return false; 3659c32a4f29SMoni Shoua 3660c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3661c32a4f29SMoni Shoua return false; 3662c32a4f29SMoni Shoua 3663c32a4f29SMoni Shoua return true; 3664c32a4f29SMoni Shoua } 3665c32a4f29SMoni Shoua 3666c32a4f29SMoni Shoua /* check valid transition for driver QP types 3667c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3668c32a4f29SMoni Shoua */ 3669c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3670c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3671c32a4f29SMoni Shoua { 3672c32a4f29SMoni Shoua int req = IB_QP_STATE; 3673c32a4f29SMoni Shoua int opt = 0; 3674c32a4f29SMoni Shoua 367599ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 367699ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 367799ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3678c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3679c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3680c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3681c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3682c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3683c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3684c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 36855ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3686c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3687c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3688c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3689c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3690c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3691c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3692c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3693c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3694c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3695c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3696c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3697c32a4f29SMoni Shoua } 3698c32a4f29SMoni Shoua return false; 3699c32a4f29SMoni Shoua } 3700c32a4f29SMoni Shoua 3701776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3702776a3906SMoni Shoua * valid transitions are: 3703776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3704776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3705776a3906SMoni Shoua * mtu, gid_index and hop_limit 3706776a3906SMoni Shoua * Other transitions and attributes are illegal 3707776a3906SMoni Shoua */ 3708776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3709776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3710776a3906SMoni Shoua { 3711776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3712776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3713776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3714776a3906SMoni Shoua int err = 0; 3715776a3906SMoni Shoua int required = IB_QP_STATE; 3716776a3906SMoni Shoua void *dctc; 3717776a3906SMoni Shoua 3718776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3719776a3906SMoni Shoua return -EINVAL; 3720776a3906SMoni Shoua 3721776a3906SMoni Shoua cur_state = qp->state; 3722776a3906SMoni Shoua new_state = attr->qp_state; 3723776a3906SMoni Shoua 3724776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3725776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3726776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3727776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3728776a3906SMoni Shoua return -EINVAL; 3729776a3906SMoni Shoua 3730776a3906SMoni Shoua if (attr->port_num == 0 || 3731776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3732776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3733776a3906SMoni Shoua attr->port_num, dev->num_ports); 3734776a3906SMoni Shoua return -EINVAL; 3735776a3906SMoni Shoua } 3736776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3737776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3738776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3739776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3740776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3741a60109dcSYonatan Cohen int atomic_mode; 3742a60109dcSYonatan Cohen 3743a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3744a60109dcSYonatan Cohen if (atomic_mode < 0) 3745776a3906SMoni Shoua return -EOPNOTSUPP; 3746a60109dcSYonatan Cohen 3747a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3748776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3749776a3906SMoni Shoua } 3750776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3751776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 3752776a3906SMoni Shoua MLX5_SET(dctc, dctc, counter_set_id, dev->port[attr->port_num - 1].cnts.set_id); 3753776a3906SMoni Shoua 3754776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3755776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3756c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 3757776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3758776a3906SMoni Shoua sizeof(resp.dctn); 3759776a3906SMoni Shoua 3760776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3761776a3906SMoni Shoua return -EINVAL; 3762776a3906SMoni Shoua resp.response_length = min_resp_len; 3763776a3906SMoni Shoua 3764776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3765776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3766776a3906SMoni Shoua return -EINVAL; 3767776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3768776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3769776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3770776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3771776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3772776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3773776a3906SMoni Shoua 3774776a3906SMoni Shoua err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, 3775c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 3776c5ae1954SYishai Hadas sizeof(out)); 3777776a3906SMoni Shoua if (err) 3778776a3906SMoni Shoua return err; 3779776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3780776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3781776a3906SMoni Shoua if (err) { 3782776a3906SMoni Shoua mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); 3783776a3906SMoni Shoua return err; 3784776a3906SMoni Shoua } 3785776a3906SMoni Shoua } else { 3786776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3787776a3906SMoni Shoua return -EINVAL; 3788776a3906SMoni Shoua } 3789776a3906SMoni Shoua if (err) 3790776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3791776a3906SMoni Shoua else 3792776a3906SMoni Shoua qp->state = new_state; 3793776a3906SMoni Shoua return err; 3794776a3906SMoni Shoua } 3795776a3906SMoni Shoua 3796e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3797e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3798e126ba97SEli Cohen { 3799e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3800e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 380161147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3802d16e91daSHaggai Eran enum ib_qp_type qp_type; 3803e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 380461147f39SBodong Wang size_t required_cmd_sz; 3805e126ba97SEli Cohen int err = -EINVAL; 3806e126ba97SEli Cohen int port; 3807e126ba97SEli Cohen 380828d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 380928d61370SYishai Hadas return -ENOSYS; 381028d61370SYishai Hadas 381161147f39SBodong Wang if (udata && udata->inlen) { 381261147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 381361147f39SBodong Wang sizeof(ucmd.reserved); 381461147f39SBodong Wang if (udata->inlen < required_cmd_sz) 381561147f39SBodong Wang return -EINVAL; 381661147f39SBodong Wang 381761147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 381861147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 381961147f39SBodong Wang udata->inlen - sizeof(ucmd))) 382061147f39SBodong Wang return -EOPNOTSUPP; 382161147f39SBodong Wang 382261147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 382361147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 382461147f39SBodong Wang return -EFAULT; 382561147f39SBodong Wang 382661147f39SBodong Wang if (ucmd.comp_mask || 382761147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 382861147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 382961147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 383061147f39SBodong Wang return -EOPNOTSUPP; 383161147f39SBodong Wang } 383261147f39SBodong Wang 3833d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3834d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3835d16e91daSHaggai Eran 3836c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3837c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3838c32a4f29SMoni Shoua else 3839d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3840d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3841d16e91daSHaggai Eran 3842776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3843776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3844c32a4f29SMoni Shoua 3845e126ba97SEli Cohen mutex_lock(&qp->mutex); 3846e126ba97SEli Cohen 3847e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3848e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3849e126ba97SEli Cohen 38502811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 38512811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 38522811ba51SAchiad Shochat } 38532811ba51SAchiad Shochat 3854c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3855c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3856c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3857c2e53b2cSYishai Hadas attr_mask); 3858c2e53b2cSYishai Hadas goto out; 3859c2e53b2cSYishai Hadas } 3860c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3861c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 3862d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 3863d31131bbSKamal Heib attr_mask)) { 3864158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3865158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3866e126ba97SEli Cohen goto out; 3867c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 3868c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 3869c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3870c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 3871c32a4f29SMoni Shoua goto out; 3872158abf86SHaggai Eran } 3873e126ba97SEli Cohen 3874e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3875938fe83cSSaeed Mahameed (attr->port_num == 0 || 3876508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 3877158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3878158abf86SHaggai Eran attr->port_num, dev->num_ports); 3879e126ba97SEli Cohen goto out; 3880158abf86SHaggai Eran } 3881e126ba97SEli Cohen 3882e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3883e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3884938fe83cSSaeed Mahameed if (attr->pkey_index >= 3885158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3886158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3887158abf86SHaggai Eran attr->pkey_index); 3888e126ba97SEli Cohen goto out; 3889e126ba97SEli Cohen } 3890158abf86SHaggai Eran } 3891e126ba97SEli Cohen 3892e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3893938fe83cSSaeed Mahameed attr->max_rd_atomic > 3894158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3895158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3896158abf86SHaggai Eran attr->max_rd_atomic); 3897e126ba97SEli Cohen goto out; 3898158abf86SHaggai Eran } 3899e126ba97SEli Cohen 3900e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3901938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 3902158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 3903158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 3904158abf86SHaggai Eran attr->max_dest_rd_atomic); 3905e126ba97SEli Cohen goto out; 3906158abf86SHaggai Eran } 3907e126ba97SEli Cohen 3908e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 3909e126ba97SEli Cohen err = 0; 3910e126ba97SEli Cohen goto out; 3911e126ba97SEli Cohen } 3912e126ba97SEli Cohen 391361147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 391489944450SShamir Rabinovitch new_state, &ucmd, udata); 3915e126ba97SEli Cohen 3916e126ba97SEli Cohen out: 3917e126ba97SEli Cohen mutex_unlock(&qp->mutex); 3918e126ba97SEli Cohen return err; 3919e126ba97SEli Cohen } 3920e126ba97SEli Cohen 392134f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 392234f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 392334f4c955SGuy Levi { 392434f4c955SGuy Levi u32 idx; 392534f4c955SGuy Levi 392634f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 392734f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 392834f4c955SGuy Levi 392934f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 393034f4c955SGuy Levi } 393134f4c955SGuy Levi 393234f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 393334f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 393434f4c955SGuy Levi * @sq - SQ buffer. 393534f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 393634f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 393734f4c955SGuy Levi * @cur_edge: Updated current edge. 393834f4c955SGuy Levi */ 393934f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 394034f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 394134f4c955SGuy Levi { 394234f4c955SGuy Levi if (likely(*seg != *cur_edge)) 394334f4c955SGuy Levi return; 394434f4c955SGuy Levi 394534f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 394634f4c955SGuy Levi } 394734f4c955SGuy Levi 394834f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 394934f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 395034f4c955SGuy Levi * @sq - SQ buffer. 395134f4c955SGuy Levi * @cur_edge: Updated current edge. 395234f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 395334f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 395434f4c955SGuy Levi * @src: Pointer to copy from. 395534f4c955SGuy Levi * @n: Number of bytes to copy. 395634f4c955SGuy Levi */ 395734f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 395834f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 395934f4c955SGuy Levi size_t n) 396034f4c955SGuy Levi { 396134f4c955SGuy Levi while (likely(n)) { 396234f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 396334f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 396434f4c955SGuy Levi size_t stride; 396534f4c955SGuy Levi 396634f4c955SGuy Levi memcpy(*seg, src, copysz); 396734f4c955SGuy Levi 396834f4c955SGuy Levi n -= copysz; 396934f4c955SGuy Levi src += copysz; 397034f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 397134f4c955SGuy Levi *seg += stride; 397234f4c955SGuy Levi *wqe_sz += stride >> 4; 397334f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 397434f4c955SGuy Levi } 397534f4c955SGuy Levi } 397634f4c955SGuy Levi 3977e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 3978e126ba97SEli Cohen { 3979e126ba97SEli Cohen struct mlx5_ib_cq *cq; 3980e126ba97SEli Cohen unsigned cur; 3981e126ba97SEli Cohen 3982e126ba97SEli Cohen cur = wq->head - wq->tail; 3983e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 3984e126ba97SEli Cohen return 0; 3985e126ba97SEli Cohen 3986e126ba97SEli Cohen cq = to_mcq(ib_cq); 3987e126ba97SEli Cohen spin_lock(&cq->lock); 3988e126ba97SEli Cohen cur = wq->head - wq->tail; 3989e126ba97SEli Cohen spin_unlock(&cq->lock); 3990e126ba97SEli Cohen 3991e126ba97SEli Cohen return cur + nreq >= wq->max_post; 3992e126ba97SEli Cohen } 3993e126ba97SEli Cohen 3994e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 3995e126ba97SEli Cohen u64 remote_addr, u32 rkey) 3996e126ba97SEli Cohen { 3997e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 3998e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 3999e126ba97SEli Cohen rseg->reserved = 0; 4000e126ba97SEli Cohen } 4001e126ba97SEli Cohen 400234f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 400334f4c955SGuy Levi void **seg, int *size, void **cur_edge) 4004f0313965SErez Shitrit { 400534f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 4006f0313965SErez Shitrit 4007f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 4008f0313965SErez Shitrit 4009f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 4010f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 4011f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 4012f0313965SErez Shitrit 4013f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 4014f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 401534f4c955SGuy Levi size_t left, copysz; 4016f0313965SErez Shitrit void *pdata = ud_wr->header; 401734f4c955SGuy Levi size_t stride; 4018f0313965SErez Shitrit 4019f0313965SErez Shitrit left = ud_wr->hlen; 4020f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 40212b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 4022f0313965SErez Shitrit 402334f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 402434f4c955SGuy Levi * first copy up to the current edge and then, if needed, 402534f4c955SGuy Levi * fall-through to memcpy_send_wqe. 4026f0313965SErez Shitrit */ 402734f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 402834f4c955SGuy Levi left); 402934f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 403034f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 403134f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 403234f4c955SGuy Levi *size += stride / 16; 403334f4c955SGuy Levi *seg += stride; 4034f0313965SErez Shitrit 403534f4c955SGuy Levi if (copysz < left) { 403634f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4037f0313965SErez Shitrit left -= copysz; 4038f0313965SErez Shitrit pdata += copysz; 403934f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 404034f4c955SGuy Levi left); 4041f0313965SErez Shitrit } 4042f0313965SErez Shitrit 404334f4c955SGuy Levi return; 404434f4c955SGuy Levi } 404534f4c955SGuy Levi 404634f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 404734f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 4048f0313965SErez Shitrit } 4049f0313965SErez Shitrit 4050e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 4051f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4052e126ba97SEli Cohen { 4053e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 4054e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 4055e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 4056e126ba97SEli Cohen } 4057e126ba97SEli Cohen 4058e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 4059e126ba97SEli Cohen { 4060e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 4061e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 4062e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 4063e126ba97SEli Cohen } 4064e126ba97SEli Cohen 406531616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 4066e126ba97SEli Cohen { 406731616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 406831616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 4069e126ba97SEli Cohen } 4070e126ba97SEli Cohen 4071e126ba97SEli Cohen static __be64 frwr_mkey_mask(void) 4072e126ba97SEli Cohen { 4073e126ba97SEli Cohen u64 result; 4074e126ba97SEli Cohen 4075e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 4076e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 4077e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 4078e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 4079e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 4080e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 4081e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 4082e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 4083e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 4084e126ba97SEli Cohen MLX5_MKEY_MASK_A | 4085e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 4086e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4087e126ba97SEli Cohen 4088e126ba97SEli Cohen return cpu_to_be64(result); 4089e126ba97SEli Cohen } 4090e126ba97SEli Cohen 4091e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 4092e6631814SSagi Grimberg { 4093e6631814SSagi Grimberg u64 result; 4094e6631814SSagi Grimberg 4095e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 4096e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 4097e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 4098d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 4099e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 4100e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 4101e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 4102e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 4103e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 4104e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 4105e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 4106e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 4107e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 4108e6631814SSagi Grimberg 4109e6631814SSagi Grimberg return cpu_to_be64(result); 4110e6631814SSagi Grimberg } 4111e6631814SSagi Grimberg 41128a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 4113064e5262SIdan Burstein struct mlx5_ib_mr *mr, bool umr_inline) 41148a187ee5SSagi Grimberg { 411531616255SArtemy Kovalyov int size = mr->ndescs * mr->desc_size; 41168a187ee5SSagi Grimberg 41178a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4118b005d316SSagi Grimberg 41198a187ee5SSagi Grimberg umr->flags = MLX5_UMR_CHECK_NOT_FREE; 4120064e5262SIdan Burstein if (umr_inline) 4121064e5262SIdan Burstein umr->flags |= MLX5_UMR_INLINE; 412231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 41238a187ee5SSagi Grimberg umr->mkey_mask = frwr_mkey_mask(); 41248a187ee5SSagi Grimberg } 41258a187ee5SSagi Grimberg 4126dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 4127e126ba97SEli Cohen { 4128e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 4129e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 41302d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 4131e126ba97SEli Cohen } 4132e126ba97SEli Cohen 413331616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 4134e126ba97SEli Cohen { 4135968e78ddSHaggai Eran u64 result; 4136e126ba97SEli Cohen 413731616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4138e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4139968e78ddSHaggai Eran 4140968e78ddSHaggai Eran return cpu_to_be64(result); 4141968e78ddSHaggai Eran } 4142968e78ddSHaggai Eran 414331616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4144968e78ddSHaggai Eran { 4145968e78ddSHaggai Eran u64 result; 4146968e78ddSHaggai Eran 4147968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4148968e78ddSHaggai Eran 4149968e78ddSHaggai Eran return cpu_to_be64(result); 4150968e78ddSHaggai Eran } 4151968e78ddSHaggai Eran 415256e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 415356e11d62SNoa Osherovich { 415456e11d62SNoa Osherovich u64 result; 415556e11d62SNoa Osherovich 415656e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 415756e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 415831616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 415956e11d62SNoa Osherovich 416056e11d62SNoa Osherovich return cpu_to_be64(result); 416156e11d62SNoa Osherovich } 416256e11d62SNoa Osherovich 416331616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 416456e11d62SNoa Osherovich { 416556e11d62SNoa Osherovich u64 result; 416656e11d62SNoa Osherovich 416731616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 416831616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 416956e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 417031616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 417131616255SArtemy Kovalyov 417231616255SArtemy Kovalyov if (atomic) 417331616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 417456e11d62SNoa Osherovich 417556e11d62SNoa Osherovich return cpu_to_be64(result); 417656e11d62SNoa Osherovich } 417756e11d62SNoa Osherovich 417856e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 417956e11d62SNoa Osherovich { 418056e11d62SNoa Osherovich u64 result; 418156e11d62SNoa Osherovich 418231616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 418356e11d62SNoa Osherovich 418456e11d62SNoa Osherovich return cpu_to_be64(result); 418556e11d62SNoa Osherovich } 418656e11d62SNoa Osherovich 4187c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4188c8d75a98SMajd Dibbiny { 4189c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4190c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4191c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4192c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4193c8d75a98SMajd Dibbiny return -EPERM; 4194c8d75a98SMajd Dibbiny return 0; 4195c8d75a98SMajd Dibbiny } 4196c8d75a98SMajd Dibbiny 4197c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4198c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4199f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4200968e78ddSHaggai Eran { 4201f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4202968e78ddSHaggai Eran 4203968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4204968e78ddSHaggai Eran 4205968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 4206968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ 4207968e78ddSHaggai Eran else 4208968e78ddSHaggai Eran umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ 4209968e78ddSHaggai Eran 421031616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 421131616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 421231616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 421331616255SArtemy Kovalyov 421431616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 421531616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4216968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4217968e78ddSHaggai Eran } 421856e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 421956e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 422031616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 422131616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 422256e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4223e126ba97SEli Cohen } 422431616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 422531616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 422631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 422731616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4228e126ba97SEli Cohen 4229e126ba97SEli Cohen if (!wr->num_sge) 4230968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4231c8d75a98SMajd Dibbiny 4232c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4233e126ba97SEli Cohen } 4234e126ba97SEli Cohen 4235e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4236e126ba97SEli Cohen { 4237e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4238e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4239e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4240e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 42412ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4242e126ba97SEli Cohen } 4243e126ba97SEli Cohen 42448a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 42458a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 42468a187ee5SSagi Grimberg u32 key, int access) 42478a187ee5SSagi Grimberg { 42488a187ee5SSagi Grimberg int ndescs = ALIGN(mr->ndescs, 8) >> 1; 42498a187ee5SSagi Grimberg 42508a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4251b005d316SSagi Grimberg 4252ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4253b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4254ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4255b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4256b005d316SSagi Grimberg ndescs *= 2; 4257b005d316SSagi Grimberg 4258b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 42598a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 42608a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 42618a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 42628a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 42638a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 42648a187ee5SSagi Grimberg } 42658a187ee5SSagi Grimberg 4266dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4267e126ba97SEli Cohen { 4268e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4269968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4270e126ba97SEli Cohen } 4271e126ba97SEli Cohen 4272f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4273f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4274e126ba97SEli Cohen { 4275f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4276968e78ddSHaggai Eran 4277e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 427831616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4279968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4280e126ba97SEli Cohen 4281968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 428256e11d62SNoa Osherovich if (umrwr->pd) 4283968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 428431616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 428531616255SArtemy Kovalyov !umrwr->length) 428631616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 428731616255SArtemy Kovalyov 428831616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4289968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4290968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4291746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4292968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4293e126ba97SEli Cohen } 4294e126ba97SEli Cohen 42958a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 42968a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 42978a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 42988a187ee5SSagi Grimberg { 42998a187ee5SSagi Grimberg int bcount = mr->desc_size * mr->ndescs; 43008a187ee5SSagi Grimberg 43018a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 43028a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 43038a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 43048a187ee5SSagi Grimberg } 43058a187ee5SSagi Grimberg 4306f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4307e126ba97SEli Cohen { 4308e126ba97SEli Cohen switch (wr->opcode) { 4309e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4310e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4311e126ba97SEli Cohen return wr->ex.imm_data; 4312e126ba97SEli Cohen 4313e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4314e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4315e126ba97SEli Cohen 4316e126ba97SEli Cohen default: 4317e126ba97SEli Cohen return 0; 4318e126ba97SEli Cohen } 4319e126ba97SEli Cohen } 4320e126ba97SEli Cohen 4321e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4322e126ba97SEli Cohen { 4323e126ba97SEli Cohen u8 *p = wqe; 4324e126ba97SEli Cohen u8 res = 0; 4325e126ba97SEli Cohen int i; 4326e126ba97SEli Cohen 4327e126ba97SEli Cohen for (i = 0; i < size; i++) 4328e126ba97SEli Cohen res ^= p[i]; 4329e126ba97SEli Cohen 4330e126ba97SEli Cohen return ~res; 4331e126ba97SEli Cohen } 4332e126ba97SEli Cohen 4333e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4334e126ba97SEli Cohen { 4335e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4336e126ba97SEli Cohen } 4337e126ba97SEli Cohen 4338f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 433934f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4340e126ba97SEli Cohen { 4341e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 434234f4c955SGuy Levi size_t offset; 4343e126ba97SEli Cohen int inl = 0; 4344e126ba97SEli Cohen int i; 4345e126ba97SEli Cohen 434634f4c955SGuy Levi seg = *wqe; 434734f4c955SGuy Levi *wqe += sizeof(*seg); 434834f4c955SGuy Levi offset = sizeof(*seg); 434934f4c955SGuy Levi 4350e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 435134f4c955SGuy Levi size_t len = wr->sg_list[i].length; 435234f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 435334f4c955SGuy Levi 4354e126ba97SEli Cohen inl += len; 4355e126ba97SEli Cohen 4356e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4357e126ba97SEli Cohen return -ENOMEM; 4358e126ba97SEli Cohen 435934f4c955SGuy Levi while (likely(len)) { 436034f4c955SGuy Levi size_t leftlen; 436134f4c955SGuy Levi size_t copysz; 436234f4c955SGuy Levi 436334f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 436434f4c955SGuy Levi *wqe_sz + (offset >> 4), 436534f4c955SGuy Levi cur_edge); 436634f4c955SGuy Levi 436734f4c955SGuy Levi leftlen = *cur_edge - *wqe; 436834f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 436934f4c955SGuy Levi 437034f4c955SGuy Levi memcpy(*wqe, addr, copysz); 437134f4c955SGuy Levi len -= copysz; 437234f4c955SGuy Levi addr += copysz; 437334f4c955SGuy Levi *wqe += copysz; 437434f4c955SGuy Levi offset += copysz; 4375e126ba97SEli Cohen } 4376e126ba97SEli Cohen } 4377e126ba97SEli Cohen 4378e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4379e126ba97SEli Cohen 438034f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4381e126ba97SEli Cohen 4382e126ba97SEli Cohen return 0; 4383e126ba97SEli Cohen } 4384e126ba97SEli Cohen 4385e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4386e6631814SSagi Grimberg { 4387e6631814SSagi Grimberg switch (type) { 4388e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4389e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4390e6631814SSagi Grimberg default: 4391e6631814SSagi Grimberg return 0; 4392e6631814SSagi Grimberg } 4393e6631814SSagi Grimberg } 4394e6631814SSagi Grimberg 4395e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4396e6631814SSagi Grimberg { 4397e6631814SSagi Grimberg switch (block_size) { 4398e6631814SSagi Grimberg case 512: return 0x1; 4399e6631814SSagi Grimberg case 520: return 0x2; 4400e6631814SSagi Grimberg case 4096: return 0x3; 4401e6631814SSagi Grimberg case 4160: return 0x4; 4402e6631814SSagi Grimberg case 1073741824: return 0x5; 4403e6631814SSagi Grimberg default: return 0; 4404e6631814SSagi Grimberg } 4405e6631814SSagi Grimberg } 4406e6631814SSagi Grimberg 440778eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4408142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4409e6631814SSagi Grimberg { 4410142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4411142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4412142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4413142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4414142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4415142537f4SSagi Grimberg /* repeating block */ 4416142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4417142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4418142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4419e6631814SSagi Grimberg 442078eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 442178eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4422e6631814SSagi Grimberg 442378eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 442478eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 442578eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 442678eda2bbSSagi Grimberg else 442778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4428e6631814SSagi Grimberg } 4429e6631814SSagi Grimberg 443078eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 443178eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4432e6631814SSagi Grimberg } 4433e6631814SSagi Grimberg 4434e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4435e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4436e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4437e6631814SSagi Grimberg { 4438e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4439e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4440e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4441e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4442e6631814SSagi Grimberg 4443c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4444e6631814SSagi Grimberg 4445142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4446142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4447e6631814SSagi Grimberg /* Input domain check byte mask */ 4448e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 444978eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 445078eda2bbSSagi Grimberg 445178eda2bbSSagi Grimberg /* Memory domain */ 445278eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 445378eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 445478eda2bbSSagi Grimberg break; 445578eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 445678eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 445778eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 445878eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 445978eda2bbSSagi Grimberg break; 446078eda2bbSSagi Grimberg default: 446178eda2bbSSagi Grimberg return -EINVAL; 446278eda2bbSSagi Grimberg } 446378eda2bbSSagi Grimberg 446478eda2bbSSagi Grimberg /* Wire domain */ 446578eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 446678eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 446778eda2bbSSagi Grimberg break; 446878eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4469e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 447078eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4471e6631814SSagi Grimberg /* Same block structure */ 4472142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4473e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4474fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4475c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4476fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4477c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4478fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4479e6631814SSagi Grimberg } else 4480e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4481e6631814SSagi Grimberg 4482142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 448378eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4484e6631814SSagi Grimberg break; 4485e6631814SSagi Grimberg default: 4486e6631814SSagi Grimberg return -EINVAL; 4487e6631814SSagi Grimberg } 4488e6631814SSagi Grimberg 4489e6631814SSagi Grimberg return 0; 4490e6631814SSagi Grimberg } 4491e6631814SSagi Grimberg 4492f696bf6dSBart Van Assche static int set_sig_data_segment(const struct ib_sig_handover_wr *wr, 449334f4c955SGuy Levi struct mlx5_ib_qp *qp, void **seg, 449434f4c955SGuy Levi int *size, void **cur_edge) 4495e6631814SSagi Grimberg { 4496e622f2f4SChristoph Hellwig struct ib_sig_attrs *sig_attrs = wr->sig_attrs; 4497e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4498e6631814SSagi Grimberg struct mlx5_bsf *bsf; 4499e622f2f4SChristoph Hellwig u32 data_len = wr->wr.sg_list->length; 4500e622f2f4SChristoph Hellwig u32 data_key = wr->wr.sg_list->lkey; 4501e622f2f4SChristoph Hellwig u64 data_va = wr->wr.sg_list->addr; 4502e6631814SSagi Grimberg int ret; 4503e6631814SSagi Grimberg int wqe_size; 4504e6631814SSagi Grimberg 4505e622f2f4SChristoph Hellwig if (!wr->prot || 4506e622f2f4SChristoph Hellwig (data_key == wr->prot->lkey && 4507e622f2f4SChristoph Hellwig data_va == wr->prot->addr && 4508e622f2f4SChristoph Hellwig data_len == wr->prot->length)) { 4509e6631814SSagi Grimberg /** 4510e6631814SSagi Grimberg * Source domain doesn't contain signature information 45115c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4512e6631814SSagi Grimberg * So need construct: 4513e6631814SSagi Grimberg * ------------------ 4514e6631814SSagi Grimberg * | data_klm | 4515e6631814SSagi Grimberg * ------------------ 4516e6631814SSagi Grimberg * | BSF | 4517e6631814SSagi Grimberg * ------------------ 4518e6631814SSagi Grimberg **/ 4519e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4520e6631814SSagi Grimberg 4521e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4522e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4523e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4524e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4525e6631814SSagi Grimberg } else { 4526e6631814SSagi Grimberg /** 4527e6631814SSagi Grimberg * Source domain contains signature information 4528e6631814SSagi Grimberg * So need construct a strided block format: 4529e6631814SSagi Grimberg * --------------------------- 4530e6631814SSagi Grimberg * | stride_block_ctrl | 4531e6631814SSagi Grimberg * --------------------------- 4532e6631814SSagi Grimberg * | data_klm | 4533e6631814SSagi Grimberg * --------------------------- 4534e6631814SSagi Grimberg * | prot_klm | 4535e6631814SSagi Grimberg * --------------------------- 4536e6631814SSagi Grimberg * | BSF | 4537e6631814SSagi Grimberg * --------------------------- 4538e6631814SSagi Grimberg **/ 4539e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4540e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4541e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4542e622f2f4SChristoph Hellwig u32 prot_key = wr->prot->lkey; 4543e622f2f4SChristoph Hellwig u64 prot_va = wr->prot->addr; 4544e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4545e6631814SSagi Grimberg int prot_size; 4546e6631814SSagi Grimberg 4547e6631814SSagi Grimberg sblock_ctrl = *seg; 4548e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4549e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4550e6631814SSagi Grimberg 4551e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4552e6631814SSagi Grimberg if (!prot_size) { 4553e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4554e6631814SSagi Grimberg return -EINVAL; 4555e6631814SSagi Grimberg } 4556e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4557e6631814SSagi Grimberg prot_size); 4558e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4559e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4560e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4561e6631814SSagi Grimberg 4562e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4563e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4564e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 45655c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 45665c273b16SSagi Grimberg 4567e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4568e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4569e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4570e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 45715c273b16SSagi Grimberg 4572e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4573e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4574e6631814SSagi Grimberg } 4575e6631814SSagi Grimberg 4576e6631814SSagi Grimberg *seg += wqe_size; 4577e6631814SSagi Grimberg *size += wqe_size / 16; 457834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4579e6631814SSagi Grimberg 4580e6631814SSagi Grimberg bsf = *seg; 4581e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4582e6631814SSagi Grimberg if (ret) 4583e6631814SSagi Grimberg return -EINVAL; 4584e6631814SSagi Grimberg 4585e6631814SSagi Grimberg *seg += sizeof(*bsf); 4586e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 458734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4588e6631814SSagi Grimberg 4589e6631814SSagi Grimberg return 0; 4590e6631814SSagi Grimberg } 4591e6631814SSagi Grimberg 4592e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 4593f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr, u32 size, 4594e6631814SSagi Grimberg u32 length, u32 pdn) 4595e6631814SSagi Grimberg { 4596e622f2f4SChristoph Hellwig struct ib_mr *sig_mr = wr->sig_mr; 4597e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4598d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4599e6631814SSagi Grimberg 4600e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4601e6631814SSagi Grimberg 4602e622f2f4SChristoph Hellwig seg->flags = get_umr_flags(wr->access_flags) | 4603ec22eb53SSaeed Mahameed MLX5_MKC_ACCESS_MODE_KLMS; 4604e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4605d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4606e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4607e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 460831616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4609e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4610e6631814SSagi Grimberg } 4611e6631814SSagi Grimberg 4612e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 461331616255SArtemy Kovalyov u32 size) 4614e6631814SSagi Grimberg { 4615e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4616e6631814SSagi Grimberg 4617e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 461831616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4619e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4620e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4621e6631814SSagi Grimberg } 4622e6631814SSagi Grimberg 4623e6631814SSagi Grimberg 4624f696bf6dSBart Van Assche static int set_sig_umr_wr(const struct ib_send_wr *send_wr, 462534f4c955SGuy Levi struct mlx5_ib_qp *qp, void **seg, int *size, 462634f4c955SGuy Levi void **cur_edge) 4627e6631814SSagi Grimberg { 4628f696bf6dSBart Van Assche const struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); 4629e622f2f4SChristoph Hellwig struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); 4630e6631814SSagi Grimberg u32 pdn = get_pd(qp)->pdn; 463131616255SArtemy Kovalyov u32 xlt_size; 4632e6631814SSagi Grimberg int region_len, ret; 4633e6631814SSagi Grimberg 4634e622f2f4SChristoph Hellwig if (unlikely(wr->wr.num_sge != 1) || 4635e622f2f4SChristoph Hellwig unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || 4636d5436ba0SSagi Grimberg unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || 4637d5436ba0SSagi Grimberg unlikely(!sig_mr->sig->sig_status_checked)) 4638e6631814SSagi Grimberg return -EINVAL; 4639e6631814SSagi Grimberg 4640e6631814SSagi Grimberg /* length of the protected region, data + protection */ 4641e622f2f4SChristoph Hellwig region_len = wr->wr.sg_list->length; 4642e622f2f4SChristoph Hellwig if (wr->prot && 4643e622f2f4SChristoph Hellwig (wr->prot->lkey != wr->wr.sg_list->lkey || 4644e622f2f4SChristoph Hellwig wr->prot->addr != wr->wr.sg_list->addr || 4645e622f2f4SChristoph Hellwig wr->prot->length != wr->wr.sg_list->length)) 4646e622f2f4SChristoph Hellwig region_len += wr->prot->length; 4647e6631814SSagi Grimberg 4648e6631814SSagi Grimberg /** 4649e6631814SSagi Grimberg * KLM octoword size - if protection was provided 4650e6631814SSagi Grimberg * then we use strided block format (3 octowords), 4651e6631814SSagi Grimberg * else we use single KLM (1 octoword) 4652e6631814SSagi Grimberg **/ 465331616255SArtemy Kovalyov xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); 4654e6631814SSagi Grimberg 465531616255SArtemy Kovalyov set_sig_umr_segment(*seg, xlt_size); 4656e6631814SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4657e6631814SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 465834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4659e6631814SSagi Grimberg 466031616255SArtemy Kovalyov set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); 4661e6631814SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 4662e6631814SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 466334f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4664e6631814SSagi Grimberg 466534f4c955SGuy Levi ret = set_sig_data_segment(wr, qp, seg, size, cur_edge); 4666e6631814SSagi Grimberg if (ret) 4667e6631814SSagi Grimberg return ret; 4668e6631814SSagi Grimberg 4669d5436ba0SSagi Grimberg sig_mr->sig->sig_status_checked = false; 4670e6631814SSagi Grimberg return 0; 4671e6631814SSagi Grimberg } 4672e6631814SSagi Grimberg 4673e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4674e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4675e6631814SSagi Grimberg { 4676e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4677e6631814SSagi Grimberg 4678e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4679e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4680e6631814SSagi Grimberg switch (domain->sig_type) { 468178eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 468278eda2bbSSagi Grimberg break; 4683e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4684e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4685e6631814SSagi Grimberg domain->sig.dif.app_tag); 4686e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4687e6631814SSagi Grimberg break; 4688e6631814SSagi Grimberg default: 468912bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 469012bbf1eaSLeon Romanovsky domain->sig_type); 469112bbf1eaSLeon Romanovsky return -EINVAL; 4692e6631814SSagi Grimberg } 4693e6631814SSagi Grimberg 469478eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 469578eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 469678eda2bbSSagi Grimberg 4697e6631814SSagi Grimberg return 0; 4698e6631814SSagi Grimberg } 4699e6631814SSagi Grimberg 47008a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4701f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 470234f4c955SGuy Levi void **seg, int *size, void **cur_edge) 47038a187ee5SSagi Grimberg { 47048a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 47058a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 470634f4c955SGuy Levi size_t mr_list_size = mr->ndescs * mr->desc_size; 4707064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 47088a187ee5SSagi Grimberg 47098a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 47108a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 47118a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 47128a187ee5SSagi Grimberg return -EINVAL; 47138a187ee5SSagi Grimberg } 47148a187ee5SSagi Grimberg 4715064e5262SIdan Burstein set_reg_umr_seg(*seg, mr, umr_inline); 47168a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 47178a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 471834f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 47198a187ee5SSagi Grimberg 47208a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 47218a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 47228a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 472334f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 47248a187ee5SSagi Grimberg 4725064e5262SIdan Burstein if (umr_inline) { 472634f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 472734f4c955SGuy Levi mr_list_size); 472834f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4729064e5262SIdan Burstein } else { 47308a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 47318a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 47328a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4733064e5262SIdan Burstein } 47348a187ee5SSagi Grimberg return 0; 47358a187ee5SSagi Grimberg } 47368a187ee5SSagi Grimberg 473734f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 473834f4c955SGuy Levi void **cur_edge) 4739e126ba97SEli Cohen { 4740dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4741e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4742e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 474334f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4744dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4745e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4746e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 474734f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4748e126ba97SEli Cohen } 4749e126ba97SEli Cohen 475034f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4751e126ba97SEli Cohen { 4752e126ba97SEli Cohen __be32 *p = NULL; 4753e126ba97SEli Cohen int i, j; 4754e126ba97SEli Cohen 475534f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4756e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4757e126ba97SEli Cohen if ((i & 0xf) == 0) { 47581e5887b7SArtemy Kovalyov p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); 475934f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4760e126ba97SEli Cohen j = 0; 47611e5887b7SArtemy Kovalyov idx = (idx + 1) & (qp->sq.wqe_cnt - 1); 4762e126ba97SEli Cohen } 4763e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4764e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4765e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4766e126ba97SEli Cohen } 4767e126ba97SEli Cohen } 4768e126ba97SEli Cohen 47697bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 47706e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 477134f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 477234f4c955SGuy Levi int *size, void **cur_edge, int nreq, 477334f4c955SGuy Levi bool send_signaled, bool solicited) 47746e5eadacSSagi Grimberg { 4775b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4776b2a232d2SLeon Romanovsky return -ENOMEM; 47776e5eadacSSagi Grimberg 47786e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 477934f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 47806e5eadacSSagi Grimberg *ctrl = *seg; 47816e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 47826e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 47836e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 47847bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 47857bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 47866e5eadacSSagi Grimberg 47876e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 47886e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 478934f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 47906e5eadacSSagi Grimberg 4791b2a232d2SLeon Romanovsky return 0; 47926e5eadacSSagi Grimberg } 47936e5eadacSSagi Grimberg 47947bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 47957bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 47967bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 479734f4c955SGuy Levi int *size, void **cur_edge, int nreq) 47987bb1fafcSBart Van Assche { 479934f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 48007bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 48017bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 48027bb1fafcSBart Van Assche } 48037bb1fafcSBart Van Assche 48046e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 48056e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 480634f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 480734f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 480834f4c955SGuy Levi u32 mlx5_opcode) 48096e5eadacSSagi Grimberg { 48106e5eadacSSagi Grimberg u8 opmod = 0; 48116e5eadacSSagi Grimberg 48126e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 48136e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 481419098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 48156e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 48166e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 48176e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 48186e5eadacSSagi Grimberg 48196e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 48206e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 48216e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 48226e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 48236e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 482434f4c955SGuy Levi 482534f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 482634f4c955SGuy Levi * construction, into SQ's cache. 482734f4c955SGuy Levi */ 482834f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 482934f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 483034f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 483134f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 483234f4c955SGuy Levi cur_edge; 48336e5eadacSSagi Grimberg } 48346e5eadacSSagi Grimberg 4835d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 4836d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 4837e126ba97SEli Cohen { 4838e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 4839e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 484089ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 4841d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 4842e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 4843e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 4844d16e91daSHaggai Eran struct mlx5_bf *bf; 484534f4c955SGuy Levi void *cur_edge; 4846e126ba97SEli Cohen int uninitialized_var(size); 4847e126ba97SEli Cohen unsigned long flags; 4848e126ba97SEli Cohen unsigned idx; 4849e126ba97SEli Cohen int err = 0; 4850e126ba97SEli Cohen int num_sge; 4851e126ba97SEli Cohen void *seg; 4852e126ba97SEli Cohen int nreq; 4853e126ba97SEli Cohen int i; 4854e126ba97SEli Cohen u8 next_fence = 0; 4855e126ba97SEli Cohen u8 fence; 4856e126ba97SEli Cohen 48576c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 48586c75520fSParav Pandit !drain)) { 48596c75520fSParav Pandit *bad_wr = wr; 48606c75520fSParav Pandit return -EIO; 48616c75520fSParav Pandit } 48626c75520fSParav Pandit 4863d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 4864d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 4865d16e91daSHaggai Eran 4866d16e91daSHaggai Eran qp = to_mqp(ibqp); 48675fe9dec0SEli Cohen bf = &qp->bf; 4868d16e91daSHaggai Eran 4869e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 4870e126ba97SEli Cohen 4871e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 4872a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 4873e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 4874e126ba97SEli Cohen err = -EINVAL; 4875e126ba97SEli Cohen *bad_wr = wr; 4876e126ba97SEli Cohen goto out; 4877e126ba97SEli Cohen } 4878e126ba97SEli Cohen 4879e126ba97SEli Cohen num_sge = wr->num_sge; 4880e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 4881e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 488224be409bSChuck Lever err = -EINVAL; 4883e126ba97SEli Cohen *bad_wr = wr; 4884e126ba97SEli Cohen goto out; 4885e126ba97SEli Cohen } 4886e126ba97SEli Cohen 488734f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 488834f4c955SGuy Levi nreq); 48896e5eadacSSagi Grimberg if (err) { 48906e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 48916e5eadacSSagi Grimberg err = -ENOMEM; 48926e5eadacSSagi Grimberg *bad_wr = wr; 48936e5eadacSSagi Grimberg goto out; 48946e5eadacSSagi Grimberg } 4895e126ba97SEli Cohen 4896074fca3aSMajd Dibbiny if (wr->opcode == IB_WR_REG_MR) { 48976e8484c5SMax Gurtovoy fence = dev->umr_fence; 48986e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 4899074fca3aSMajd Dibbiny } else { 4900074fca3aSMajd Dibbiny if (wr->send_flags & IB_SEND_FENCE) { 49016e8484c5SMax Gurtovoy if (qp->next_fence) 49026e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 49036e8484c5SMax Gurtovoy else 49046e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 49056e8484c5SMax Gurtovoy } else { 49066e8484c5SMax Gurtovoy fence = qp->next_fence; 49076e8484c5SMax Gurtovoy } 4908074fca3aSMajd Dibbiny } 49096e8484c5SMax Gurtovoy 4910e126ba97SEli Cohen switch (ibqp->qp_type) { 4911e126ba97SEli Cohen case IB_QPT_XRC_INI: 4912e126ba97SEli Cohen xrc = seg; 4913e126ba97SEli Cohen seg += sizeof(*xrc); 4914e126ba97SEli Cohen size += sizeof(*xrc) / 16; 4915e126ba97SEli Cohen /* fall through */ 4916e126ba97SEli Cohen case IB_QPT_RC: 4917e126ba97SEli Cohen switch (wr->opcode) { 4918e126ba97SEli Cohen case IB_WR_RDMA_READ: 4919e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 4920e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4921e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 4922e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 4923e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 4924e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 4925e126ba97SEli Cohen break; 4926e126ba97SEli Cohen 4927e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 4928e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 4929e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 493081bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 493181bea28fSEli Cohen err = -ENOSYS; 493281bea28fSEli Cohen *bad_wr = wr; 493381bea28fSEli Cohen goto out; 4934e126ba97SEli Cohen 4935e126ba97SEli Cohen case IB_WR_LOCAL_INV: 4936e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 4937e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 493834f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 4939e126ba97SEli Cohen num_sge = 0; 4940e126ba97SEli Cohen break; 4941e126ba97SEli Cohen 49428a187ee5SSagi Grimberg case IB_WR_REG_MR: 49438a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 49448a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 494534f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 494634f4c955SGuy Levi &cur_edge); 49478a187ee5SSagi Grimberg if (err) { 49488a187ee5SSagi Grimberg *bad_wr = wr; 49498a187ee5SSagi Grimberg goto out; 49508a187ee5SSagi Grimberg } 49518a187ee5SSagi Grimberg num_sge = 0; 49528a187ee5SSagi Grimberg break; 49538a187ee5SSagi Grimberg 4954e6631814SSagi Grimberg case IB_WR_REG_SIG_MR: 4955e6631814SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; 4956e622f2f4SChristoph Hellwig mr = to_mmr(sig_handover_wr(wr)->sig_mr); 4957e6631814SSagi Grimberg 4958e6631814SSagi Grimberg ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 495934f4c955SGuy Levi err = set_sig_umr_wr(wr, qp, &seg, &size, 496034f4c955SGuy Levi &cur_edge); 4961e6631814SSagi Grimberg if (err) { 4962e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4963e6631814SSagi Grimberg *bad_wr = wr; 4964e6631814SSagi Grimberg goto out; 4965e6631814SSagi Grimberg } 4966e6631814SSagi Grimberg 496734f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 496834f4c955SGuy Levi wr->wr_id, nreq, fence, 496934f4c955SGuy Levi MLX5_OPCODE_UMR); 4970e6631814SSagi Grimberg /* 4971e6631814SSagi Grimberg * SET_PSV WQEs are not signaled and solicited 4972e6631814SSagi Grimberg * on error 4973e6631814SSagi Grimberg */ 49747bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 497534f4c955SGuy Levi &size, &cur_edge, nreq, false, 497634f4c955SGuy Levi true); 4977e6631814SSagi Grimberg if (err) { 4978e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4979e6631814SSagi Grimberg err = -ENOMEM; 4980e6631814SSagi Grimberg *bad_wr = wr; 4981e6631814SSagi Grimberg goto out; 4982e6631814SSagi Grimberg } 4983e6631814SSagi Grimberg 4984e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, 4985e6631814SSagi Grimberg mr->sig->psv_memory.psv_idx, &seg, 4986e6631814SSagi Grimberg &size); 4987e6631814SSagi Grimberg if (err) { 4988e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 4989e6631814SSagi Grimberg *bad_wr = wr; 4990e6631814SSagi Grimberg goto out; 4991e6631814SSagi Grimberg } 4992e6631814SSagi Grimberg 499334f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 499434f4c955SGuy Levi wr->wr_id, nreq, fence, 499534f4c955SGuy Levi MLX5_OPCODE_SET_PSV); 49967bb1fafcSBart Van Assche err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 499734f4c955SGuy Levi &size, &cur_edge, nreq, false, 499834f4c955SGuy Levi true); 4999e6631814SSagi Grimberg if (err) { 5000e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 5001e6631814SSagi Grimberg err = -ENOMEM; 5002e6631814SSagi Grimberg *bad_wr = wr; 5003e6631814SSagi Grimberg goto out; 5004e6631814SSagi Grimberg } 5005e6631814SSagi Grimberg 5006e622f2f4SChristoph Hellwig err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, 5007e6631814SSagi Grimberg mr->sig->psv_wire.psv_idx, &seg, 5008e6631814SSagi Grimberg &size); 5009e6631814SSagi Grimberg if (err) { 5010e6631814SSagi Grimberg mlx5_ib_warn(dev, "\n"); 5011e6631814SSagi Grimberg *bad_wr = wr; 5012e6631814SSagi Grimberg goto out; 5013e6631814SSagi Grimberg } 5014e6631814SSagi Grimberg 501534f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 501634f4c955SGuy Levi wr->wr_id, nreq, fence, 501734f4c955SGuy Levi MLX5_OPCODE_SET_PSV); 50186e8484c5SMax Gurtovoy qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 5019e6631814SSagi Grimberg num_sge = 0; 5020e6631814SSagi Grimberg goto skip_psv; 5021e6631814SSagi Grimberg 5022e126ba97SEli Cohen default: 5023e126ba97SEli Cohen break; 5024e126ba97SEli Cohen } 5025e126ba97SEli Cohen break; 5026e126ba97SEli Cohen 5027e126ba97SEli Cohen case IB_QPT_UC: 5028e126ba97SEli Cohen switch (wr->opcode) { 5029e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5030e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5031e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5032e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5033e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5034e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5035e126ba97SEli Cohen break; 5036e126ba97SEli Cohen 5037e126ba97SEli Cohen default: 5038e126ba97SEli Cohen break; 5039e126ba97SEli Cohen } 5040e126ba97SEli Cohen break; 5041e126ba97SEli Cohen 5042e126ba97SEli Cohen case IB_QPT_SMI: 50431e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 50441e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 50451e0e50b6SMaor Gottlieb err = -EPERM; 50461e0e50b6SMaor Gottlieb *bad_wr = wr; 50471e0e50b6SMaor Gottlieb goto out; 50481e0e50b6SMaor Gottlieb } 5049f6b1ee34SBart Van Assche /* fall through */ 5050d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 5051e126ba97SEli Cohen set_datagram_seg(seg, wr); 5052e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 5053e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 505434f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 505534f4c955SGuy Levi 5056e126ba97SEli Cohen break; 5057f0313965SErez Shitrit case IB_QPT_UD: 5058f0313965SErez Shitrit set_datagram_seg(seg, wr); 5059f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 5060f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 506134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5062f0313965SErez Shitrit 5063f0313965SErez Shitrit /* handle qp that supports ud offload */ 5064f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 5065f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 5066f0313965SErez Shitrit 5067f0313965SErez Shitrit pad = seg; 5068f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 5069f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 5070f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 507134f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 507234f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 507334f4c955SGuy Levi &cur_edge); 5074f0313965SErez Shitrit } 5075f0313965SErez Shitrit break; 5076e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 5077e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 5078e126ba97SEli Cohen err = -EINVAL; 5079e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 5080e126ba97SEli Cohen goto out; 5081e126ba97SEli Cohen } 5082e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 5083e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 5084c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 5085c8d75a98SMajd Dibbiny if (unlikely(err)) 5086c8d75a98SMajd Dibbiny goto out; 5087e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 5088e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 508934f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5090e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 5091e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 5092e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 509334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5094e126ba97SEli Cohen break; 5095e126ba97SEli Cohen 5096e126ba97SEli Cohen default: 5097e126ba97SEli Cohen break; 5098e126ba97SEli Cohen } 5099e126ba97SEli Cohen 5100e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 510134f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 5102e126ba97SEli Cohen if (unlikely(err)) { 5103e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5104e126ba97SEli Cohen *bad_wr = wr; 5105e126ba97SEli Cohen goto out; 5106e126ba97SEli Cohen } 5107e126ba97SEli Cohen } else { 5108e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 510934f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 511034f4c955SGuy Levi &cur_edge); 5111e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 511234f4c955SGuy Levi set_data_ptr_seg 511334f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 511434f4c955SGuy Levi wr->sg_list + i); 5115e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 511634f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 5117e126ba97SEli Cohen } 5118e126ba97SEli Cohen } 5119e126ba97SEli Cohen } 5120e126ba97SEli Cohen 51216e8484c5SMax Gurtovoy qp->next_fence = next_fence; 512234f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 512334f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 5124e6631814SSagi Grimberg skip_psv: 5125e126ba97SEli Cohen if (0) 5126e126ba97SEli Cohen dump_wqe(qp, idx, size); 5127e126ba97SEli Cohen } 5128e126ba97SEli Cohen 5129e126ba97SEli Cohen out: 5130e126ba97SEli Cohen if (likely(nreq)) { 5131e126ba97SEli Cohen qp->sq.head += nreq; 5132e126ba97SEli Cohen 5133e126ba97SEli Cohen /* Make sure that descriptors are written before 5134e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 5135e126ba97SEli Cohen */ 5136e126ba97SEli Cohen wmb(); 5137e126ba97SEli Cohen 5138e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5139e126ba97SEli Cohen 5140ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5141ada388f7SEli Cohen * we hit doorbell */ 5142ada388f7SEli Cohen wmb(); 5143ada388f7SEli Cohen 51445fe9dec0SEli Cohen /* currently we support only regular doorbells */ 5145bbf29f61SMaxim Mikityanskiy mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); 5146e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5147e126ba97SEli Cohen * and reach the HCA out of order. 5148e126ba97SEli Cohen */ 5149e126ba97SEli Cohen mmiowb(); 5150e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5151e126ba97SEli Cohen } 5152e126ba97SEli Cohen 5153e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5154e126ba97SEli Cohen 5155e126ba97SEli Cohen return err; 5156e126ba97SEli Cohen } 5157e126ba97SEli Cohen 5158d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5159d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5160d0e84c0aSYishai Hadas { 5161d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5162d0e84c0aSYishai Hadas } 5163d0e84c0aSYishai Hadas 5164e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5165e126ba97SEli Cohen { 5166e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5167e126ba97SEli Cohen } 5168e126ba97SEli Cohen 5169d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5170d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5171e126ba97SEli Cohen { 5172e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5173e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5174e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 517589ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 517689ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5177e126ba97SEli Cohen unsigned long flags; 5178e126ba97SEli Cohen int err = 0; 5179e126ba97SEli Cohen int nreq; 5180e126ba97SEli Cohen int ind; 5181e126ba97SEli Cohen int i; 5182e126ba97SEli Cohen 51836c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 51846c75520fSParav Pandit !drain)) { 51856c75520fSParav Pandit *bad_wr = wr; 51866c75520fSParav Pandit return -EIO; 51876c75520fSParav Pandit } 51886c75520fSParav Pandit 5189d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5190d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5191d16e91daSHaggai Eran 5192e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5193e126ba97SEli Cohen 5194e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5195e126ba97SEli Cohen 5196e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5197e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5198e126ba97SEli Cohen err = -ENOMEM; 5199e126ba97SEli Cohen *bad_wr = wr; 5200e126ba97SEli Cohen goto out; 5201e126ba97SEli Cohen } 5202e126ba97SEli Cohen 5203e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5204e126ba97SEli Cohen err = -EINVAL; 5205e126ba97SEli Cohen *bad_wr = wr; 5206e126ba97SEli Cohen goto out; 5207e126ba97SEli Cohen } 5208e126ba97SEli Cohen 520934f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5210e126ba97SEli Cohen if (qp->wq_sig) 5211e126ba97SEli Cohen scat++; 5212e126ba97SEli Cohen 5213e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5214e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5215e126ba97SEli Cohen 5216e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5217e126ba97SEli Cohen scat[i].byte_count = 0; 5218e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5219e126ba97SEli Cohen scat[i].addr = 0; 5220e126ba97SEli Cohen } 5221e126ba97SEli Cohen 5222e126ba97SEli Cohen if (qp->wq_sig) { 5223e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5224e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5225e126ba97SEli Cohen } 5226e126ba97SEli Cohen 5227e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5228e126ba97SEli Cohen 5229e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5230e126ba97SEli Cohen } 5231e126ba97SEli Cohen 5232e126ba97SEli Cohen out: 5233e126ba97SEli Cohen if (likely(nreq)) { 5234e126ba97SEli Cohen qp->rq.head += nreq; 5235e126ba97SEli Cohen 5236e126ba97SEli Cohen /* Make sure that descriptors are written before 5237e126ba97SEli Cohen * doorbell record. 5238e126ba97SEli Cohen */ 5239e126ba97SEli Cohen wmb(); 5240e126ba97SEli Cohen 5241e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5242e126ba97SEli Cohen } 5243e126ba97SEli Cohen 5244e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5245e126ba97SEli Cohen 5246e126ba97SEli Cohen return err; 5247e126ba97SEli Cohen } 5248e126ba97SEli Cohen 5249d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5250d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5251d0e84c0aSYishai Hadas { 5252d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5253d0e84c0aSYishai Hadas } 5254d0e84c0aSYishai Hadas 5255e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5256e126ba97SEli Cohen { 5257e126ba97SEli Cohen switch (mlx5_state) { 5258e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5259e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5260e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5261e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5262e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5263e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5264e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5265e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5266e126ba97SEli Cohen default: return -1; 5267e126ba97SEli Cohen } 5268e126ba97SEli Cohen } 5269e126ba97SEli Cohen 5270e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5271e126ba97SEli Cohen { 5272e126ba97SEli Cohen switch (mlx5_mig_state) { 5273e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5274e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5275e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5276e126ba97SEli Cohen default: return -1; 5277e126ba97SEli Cohen } 5278e126ba97SEli Cohen } 5279e126ba97SEli Cohen 5280e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5281e126ba97SEli Cohen { 5282e126ba97SEli Cohen int ib_flags = 0; 5283e126ba97SEli Cohen 5284e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5285e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5286e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5287e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5288e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5289e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5290e126ba97SEli Cohen 5291e126ba97SEli Cohen return ib_flags; 5292e126ba97SEli Cohen } 5293e126ba97SEli Cohen 529438349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5295d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5296e126ba97SEli Cohen struct mlx5_qp_path *path) 5297e126ba97SEli Cohen { 5298e126ba97SEli Cohen 5299d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5300e126ba97SEli Cohen 5301e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5302e126ba97SEli Cohen return; 5303e126ba97SEli Cohen 5304ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5305ae59c3f0SLeon Romanovsky 5306d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5307d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5308e126ba97SEli Cohen 5309d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5310d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5311d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5312d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5313d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5314d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5315d8966fcdSDasaratharaman Chandramouli 5316d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5317d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5318d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5319d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5320d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5321d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5322e126ba97SEli Cohen } 5323e126ba97SEli Cohen } 5324e126ba97SEli Cohen 53256d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 53266d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 53276d2f89dfSmajd@mellanox.com u8 *sq_state) 5328e126ba97SEli Cohen { 53296d2f89dfSmajd@mellanox.com int err; 53306d2f89dfSmajd@mellanox.com 533128160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 53326d2f89dfSmajd@mellanox.com if (err) 53336d2f89dfSmajd@mellanox.com goto out; 53346d2f89dfSmajd@mellanox.com sq->state = *sq_state; 53356d2f89dfSmajd@mellanox.com 53366d2f89dfSmajd@mellanox.com out: 53376d2f89dfSmajd@mellanox.com return err; 53386d2f89dfSmajd@mellanox.com } 53396d2f89dfSmajd@mellanox.com 53406d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 53416d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 53426d2f89dfSmajd@mellanox.com u8 *rq_state) 53436d2f89dfSmajd@mellanox.com { 53446d2f89dfSmajd@mellanox.com void *out; 53456d2f89dfSmajd@mellanox.com void *rqc; 53466d2f89dfSmajd@mellanox.com int inlen; 53476d2f89dfSmajd@mellanox.com int err; 53486d2f89dfSmajd@mellanox.com 53496d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 53501b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 53516d2f89dfSmajd@mellanox.com if (!out) 53526d2f89dfSmajd@mellanox.com return -ENOMEM; 53536d2f89dfSmajd@mellanox.com 53546d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 53556d2f89dfSmajd@mellanox.com if (err) 53566d2f89dfSmajd@mellanox.com goto out; 53576d2f89dfSmajd@mellanox.com 53586d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 53596d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 53606d2f89dfSmajd@mellanox.com rq->state = *rq_state; 53616d2f89dfSmajd@mellanox.com 53626d2f89dfSmajd@mellanox.com out: 53636d2f89dfSmajd@mellanox.com kvfree(out); 53646d2f89dfSmajd@mellanox.com return err; 53656d2f89dfSmajd@mellanox.com } 53666d2f89dfSmajd@mellanox.com 53676d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 53686d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 53696d2f89dfSmajd@mellanox.com { 53706d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 53716d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 53726d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 53736d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 53746d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 53756d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 53766d2f89dfSmajd@mellanox.com }, 53776d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 53786d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 53796d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 53806d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 53816d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 53826d2f89dfSmajd@mellanox.com }, 53836d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 53846d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 53856d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 53866d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 53876d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 53886d2f89dfSmajd@mellanox.com }, 53896d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 53906d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 53916d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 53926d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 53936d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 53946d2f89dfSmajd@mellanox.com }, 53956d2f89dfSmajd@mellanox.com }; 53966d2f89dfSmajd@mellanox.com 53976d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 53986d2f89dfSmajd@mellanox.com 53996d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 54006d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 54016d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 54026d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 54036d2f89dfSmajd@mellanox.com return -EINVAL; 54046d2f89dfSmajd@mellanox.com } 54056d2f89dfSmajd@mellanox.com 54066d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 54076d2f89dfSmajd@mellanox.com *qp_state = qp->state; 54086d2f89dfSmajd@mellanox.com 54096d2f89dfSmajd@mellanox.com return 0; 54106d2f89dfSmajd@mellanox.com } 54116d2f89dfSmajd@mellanox.com 54126d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 54136d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 54146d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 54156d2f89dfSmajd@mellanox.com { 54166d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 54176d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 54186d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 54196d2f89dfSmajd@mellanox.com int err; 54206d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 54216d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 54226d2f89dfSmajd@mellanox.com 54236d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 54246d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 54256d2f89dfSmajd@mellanox.com if (err) 54266d2f89dfSmajd@mellanox.com return err; 54276d2f89dfSmajd@mellanox.com } 54286d2f89dfSmajd@mellanox.com 54296d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 54306d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 54316d2f89dfSmajd@mellanox.com if (err) 54326d2f89dfSmajd@mellanox.com return err; 54336d2f89dfSmajd@mellanox.com } 54346d2f89dfSmajd@mellanox.com 54356d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 54366d2f89dfSmajd@mellanox.com raw_packet_qp_state); 54376d2f89dfSmajd@mellanox.com } 54386d2f89dfSmajd@mellanox.com 54396d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 54406d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 54416d2f89dfSmajd@mellanox.com { 544209a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5443e126ba97SEli Cohen struct mlx5_qp_context *context; 5444e126ba97SEli Cohen int mlx5_state; 544509a7d9ecSSaeed Mahameed u32 *outb; 5446e126ba97SEli Cohen int err = 0; 5447e126ba97SEli Cohen 544809a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 54496d2f89dfSmajd@mellanox.com if (!outb) 54506d2f89dfSmajd@mellanox.com return -ENOMEM; 54516d2f89dfSmajd@mellanox.com 545219098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 545309a7d9ecSSaeed Mahameed outlen); 5454e126ba97SEli Cohen if (err) 54556d2f89dfSmajd@mellanox.com goto out; 5456e126ba97SEli Cohen 545709a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 545809a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 545909a7d9ecSSaeed Mahameed 5460e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5461e126ba97SEli Cohen 5462e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5463e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5464e126ba97SEli Cohen qp_attr->path_mig_state = 5465e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5466e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5467e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5468e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5469e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5470e126ba97SEli Cohen qp_attr->qp_access_flags = 5471e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5472e126ba97SEli Cohen 5473e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 547438349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 547538349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5476d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5477d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5478d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5479d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5480e126ba97SEli Cohen } 5481e126ba97SEli Cohen 5482d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5483e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5484e126ba97SEli Cohen 5485e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5486e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5487e126ba97SEli Cohen 5488e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5489e126ba97SEli Cohen 5490e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5491e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5492e126ba97SEli Cohen qp_attr->min_rnr_timer = 5493e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5494e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5495e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5496e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5497e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 54986d2f89dfSmajd@mellanox.com 54996d2f89dfSmajd@mellanox.com out: 55006d2f89dfSmajd@mellanox.com kfree(outb); 55016d2f89dfSmajd@mellanox.com return err; 55026d2f89dfSmajd@mellanox.com } 55036d2f89dfSmajd@mellanox.com 5504776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5505776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5506776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5507776a3906SMoni Shoua { 5508776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5509776a3906SMoni Shoua u32 *out; 5510776a3906SMoni Shoua u32 access_flags = 0; 5511776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5512776a3906SMoni Shoua void *dctc; 5513776a3906SMoni Shoua int err; 5514776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5515776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5516776a3906SMoni Shoua IB_QP_PORT | 5517776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5518776a3906SMoni Shoua IB_QP_AV | 5519776a3906SMoni Shoua IB_QP_PATH_MTU | 5520776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5521776a3906SMoni Shoua 5522776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5523776a3906SMoni Shoua return -EINVAL; 5524776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5525776a3906SMoni Shoua return -EINVAL; 5526776a3906SMoni Shoua 5527776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5528776a3906SMoni Shoua if (!out) 5529776a3906SMoni Shoua return -ENOMEM; 5530776a3906SMoni Shoua 5531776a3906SMoni Shoua err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); 5532776a3906SMoni Shoua if (err) 5533776a3906SMoni Shoua goto out; 5534776a3906SMoni Shoua 5535776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5536776a3906SMoni Shoua 5537776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5538776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5539776a3906SMoni Shoua 5540776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5541776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5542776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5543776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5544776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5545776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5546776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5547776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5548776a3906SMoni Shoua } 5549776a3906SMoni Shoua 5550776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5551776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5552776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5553776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5554776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5555776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5556776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5557776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5558776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5559776a3906SMoni Shoua } 5560776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5561776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5562776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5563776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5564776a3906SMoni Shoua out: 5565776a3906SMoni Shoua kfree(out); 5566776a3906SMoni Shoua return err; 5567776a3906SMoni Shoua } 5568776a3906SMoni Shoua 55696d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 55706d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 55716d2f89dfSmajd@mellanox.com { 55726d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 55736d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 55746d2f89dfSmajd@mellanox.com int err = 0; 55756d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 55766d2f89dfSmajd@mellanox.com 557728d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 557828d61370SYishai Hadas return -ENOSYS; 557928d61370SYishai Hadas 5580d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5581d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5582d16e91daSHaggai Eran qp_init_attr); 5583d16e91daSHaggai Eran 5584c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5585c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5586c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5587c2e53b2cSYishai Hadas 5588776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5589776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5590776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5591776a3906SMoni Shoua 55926d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 55936d2f89dfSmajd@mellanox.com 5594c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 5595c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 55966d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 55976d2f89dfSmajd@mellanox.com if (err) 55986d2f89dfSmajd@mellanox.com goto out; 55996d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 56006d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 56016d2f89dfSmajd@mellanox.com } else { 56026d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 56036d2f89dfSmajd@mellanox.com if (err) 56046d2f89dfSmajd@mellanox.com goto out; 56056d2f89dfSmajd@mellanox.com } 56066d2f89dfSmajd@mellanox.com 56076d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5608e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5609e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5610e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5611e126ba97SEli Cohen 5612e126ba97SEli Cohen if (!ibqp->uobject) { 56130540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5614e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 56150540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5616e126ba97SEli Cohen } else { 5617e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5618e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5619e126ba97SEli Cohen } 5620e126ba97SEli Cohen 56210540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 56220540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 56230540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 56240540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 56250540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5626e126ba97SEli Cohen 5627e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5628e126ba97SEli Cohen 5629e126ba97SEli Cohen qp_init_attr->create_flags = 0; 5630e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 5631e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5632e126ba97SEli Cohen 5633051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 5634051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 5635051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 5636051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 5637051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 5638051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 5639b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 5640b11a4f9cSHaggai Eran qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); 5641051f2630SLeon Romanovsky 5642e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5643e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5644e126ba97SEli Cohen 5645e126ba97SEli Cohen out: 5646e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5647e126ba97SEli Cohen return err; 5648e126ba97SEli Cohen } 5649e126ba97SEli Cohen 5650e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5651e126ba97SEli Cohen struct ib_udata *udata) 5652e126ba97SEli Cohen { 5653e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5654e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5655e126ba97SEli Cohen int err; 5656e126ba97SEli Cohen 5657938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5658e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5659e126ba97SEli Cohen 5660e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5661e126ba97SEli Cohen if (!xrcd) 5662e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5663e126ba97SEli Cohen 56645aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5665e126ba97SEli Cohen if (err) { 5666e126ba97SEli Cohen kfree(xrcd); 5667e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5668e126ba97SEli Cohen } 5669e126ba97SEli Cohen 5670e126ba97SEli Cohen return &xrcd->ibxrcd; 5671e126ba97SEli Cohen } 5672e126ba97SEli Cohen 5673c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5674e126ba97SEli Cohen { 5675e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5676e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5677e126ba97SEli Cohen int err; 5678e126ba97SEli Cohen 56795aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5680b081808aSLeon Romanovsky if (err) 5681e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5682e126ba97SEli Cohen 5683e126ba97SEli Cohen kfree(xrcd); 5684e126ba97SEli Cohen return 0; 5685e126ba97SEli Cohen } 568679b20a6cSYishai Hadas 5687350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5688350d0e4cSYishai Hadas { 5689350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5690350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5691350d0e4cSYishai Hadas struct ib_event event; 5692350d0e4cSYishai Hadas 5693350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5694350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5695350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5696350d0e4cSYishai Hadas switch (type) { 5697350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5698350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5699350d0e4cSYishai Hadas break; 5700350d0e4cSYishai Hadas default: 5701350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5702350d0e4cSYishai Hadas return; 5703350d0e4cSYishai Hadas } 5704350d0e4cSYishai Hadas 5705350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5706350d0e4cSYishai Hadas } 5707350d0e4cSYishai Hadas } 5708350d0e4cSYishai Hadas 570903404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 571003404e8aSMaor Gottlieb { 571103404e8aSMaor Gottlieb int err = 0; 571203404e8aSMaor Gottlieb 571303404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 571403404e8aSMaor Gottlieb if (dev->delay_drop.activate) 571503404e8aSMaor Gottlieb goto out; 571603404e8aSMaor Gottlieb 571703404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 571803404e8aSMaor Gottlieb if (err) 571903404e8aSMaor Gottlieb goto out; 572003404e8aSMaor Gottlieb 572103404e8aSMaor Gottlieb dev->delay_drop.activate = true; 572203404e8aSMaor Gottlieb out: 572303404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5724fe248c3aSMaor Gottlieb 5725fe248c3aSMaor Gottlieb if (!err) 5726fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 572703404e8aSMaor Gottlieb return err; 572803404e8aSMaor Gottlieb } 572903404e8aSMaor Gottlieb 573079b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 573179b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 573279b20a6cSYishai Hadas { 573379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 57344be6da1eSNoa Osherovich int has_net_offloads; 573579b20a6cSYishai Hadas __be64 *rq_pas0; 573679b20a6cSYishai Hadas void *in; 573779b20a6cSYishai Hadas void *rqc; 573879b20a6cSYishai Hadas void *wq; 573979b20a6cSYishai Hadas int inlen; 574079b20a6cSYishai Hadas int err; 574179b20a6cSYishai Hadas 574279b20a6cSYishai Hadas dev = to_mdev(pd->device); 574379b20a6cSYishai Hadas 574479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 57451b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 574679b20a6cSYishai Hadas if (!in) 574779b20a6cSYishai Hadas return -ENOMEM; 574879b20a6cSYishai Hadas 574934d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 575079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 575179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 575279b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 575379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 575479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 575579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 575679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 575779b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5758ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 5759ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 5760ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 5761b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5762b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 5763b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 5764b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5765b1383aa6SNoa Osherovich goto out; 5766b1383aa6SNoa Osherovich } else { 576779b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 5768b1383aa6SNoa Osherovich } 5769b1383aa6SNoa Osherovich } 577079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 5771ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 5772ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 5773ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 5774ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 5775ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 5776ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_num_of_strides, rwq->log_num_strides - 5777ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES); 5778ccc87087SNoa Osherovich } 577979b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 578079b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 578179b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 578279b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 578379b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 578479b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 57854be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 5786b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 57874be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5788b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 5789b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5790b1f74a84SNoa Osherovich goto out; 5791b1f74a84SNoa Osherovich } 5792b1f74a84SNoa Osherovich } else { 5793b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 5794b1f74a84SNoa Osherovich } 57954be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 57964be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 57974be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 57984be6da1eSNoa Osherovich err = -EOPNOTSUPP; 57994be6da1eSNoa Osherovich goto out; 58004be6da1eSNoa Osherovich } 58014be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 58024be6da1eSNoa Osherovich } 580303404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 580403404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 580503404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 580603404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 580703404e8aSMaor Gottlieb err = -EOPNOTSUPP; 580803404e8aSMaor Gottlieb goto out; 580903404e8aSMaor Gottlieb } 581003404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 581103404e8aSMaor Gottlieb } 581279b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 581379b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 5814350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 581503404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 581603404e8aSMaor Gottlieb err = set_delay_drop(dev); 581703404e8aSMaor Gottlieb if (err) { 581803404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 581903404e8aSMaor Gottlieb err); 582003404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 582103404e8aSMaor Gottlieb } else { 582203404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 582303404e8aSMaor Gottlieb } 582403404e8aSMaor Gottlieb } 5825b1f74a84SNoa Osherovich out: 582679b20a6cSYishai Hadas kvfree(in); 582779b20a6cSYishai Hadas return err; 582879b20a6cSYishai Hadas } 582979b20a6cSYishai Hadas 583079b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 583179b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 583279b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 583379b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 583479b20a6cSYishai Hadas { 583579b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 583679b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 583779b20a6cSYishai Hadas return -EINVAL; 583879b20a6cSYishai Hadas 583979b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 584079b20a6cSYishai Hadas return -EINVAL; 584179b20a6cSYishai Hadas 584279b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 584379b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 58440dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 58450dfe4522SLeon Romanovsky return -EINVAL; 58460dfe4522SLeon Romanovsky 584779b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 584879b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 584979b20a6cSYishai Hadas return 0; 585079b20a6cSYishai Hadas } 585179b20a6cSYishai Hadas 585279b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 585379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 585479b20a6cSYishai Hadas struct ib_udata *udata, 585579b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 585679b20a6cSYishai Hadas { 585779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 585879b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 585979b20a6cSYishai Hadas int err; 586079b20a6cSYishai Hadas size_t required_cmd_sz; 586179b20a6cSYishai Hadas 5862ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 5863ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 586479b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 586579b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 586679b20a6cSYishai Hadas return -EINVAL; 586779b20a6cSYishai Hadas } 586879b20a6cSYishai Hadas 586979b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 587079b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 587179b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 587279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 587379b20a6cSYishai Hadas return -EOPNOTSUPP; 587479b20a6cSYishai Hadas } 587579b20a6cSYishai Hadas 587679b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 587779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 587879b20a6cSYishai Hadas return -EFAULT; 587979b20a6cSYishai Hadas } 588079b20a6cSYishai Hadas 5881ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 588279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 588379b20a6cSYishai Hadas return -EOPNOTSUPP; 5884ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 5885ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 5886ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 588779b20a6cSYishai Hadas return -EOPNOTSUPP; 588879b20a6cSYishai Hadas } 5889ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 5890ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 5891ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 5892ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 5893ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 5894ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 5895ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 5896ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 5897ccc87087SNoa Osherovich return -EINVAL; 5898ccc87087SNoa Osherovich } 5899ccc87087SNoa Osherovich if ((ucmd.single_wqe_log_num_of_strides > 5900ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 5901ccc87087SNoa Osherovich (ucmd.single_wqe_log_num_of_strides < 5902ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) { 5903ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log num strides (%u. Range is %u - %u)\n", 5904ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 5905ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 5906ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 5907ccc87087SNoa Osherovich return -EINVAL; 5908ccc87087SNoa Osherovich } 5909ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 5910ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 5911ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 5912ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 5913ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 5914ccc87087SNoa Osherovich } 591579b20a6cSYishai Hadas 591679b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 591779b20a6cSYishai Hadas if (err) { 591879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 591979b20a6cSYishai Hadas return err; 592079b20a6cSYishai Hadas } 592179b20a6cSYishai Hadas 5922b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 592379b20a6cSYishai Hadas if (err) { 592479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 592579b20a6cSYishai Hadas return err; 592679b20a6cSYishai Hadas } 592779b20a6cSYishai Hadas 592879b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 592979b20a6cSYishai Hadas return 0; 593079b20a6cSYishai Hadas } 593179b20a6cSYishai Hadas 593279b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 593379b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 593479b20a6cSYishai Hadas struct ib_udata *udata) 593579b20a6cSYishai Hadas { 593679b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 593779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 593879b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 593979b20a6cSYishai Hadas size_t min_resp_len; 594079b20a6cSYishai Hadas int err; 594179b20a6cSYishai Hadas 594279b20a6cSYishai Hadas if (!udata) 594379b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 594479b20a6cSYishai Hadas 594579b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 594679b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 594779b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 594879b20a6cSYishai Hadas 594979b20a6cSYishai Hadas dev = to_mdev(pd->device); 595079b20a6cSYishai Hadas switch (init_attr->wq_type) { 595179b20a6cSYishai Hadas case IB_WQT_RQ: 595279b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 595379b20a6cSYishai Hadas if (!rwq) 595479b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 595579b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 595679b20a6cSYishai Hadas if (err) 595779b20a6cSYishai Hadas goto err; 595879b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 595979b20a6cSYishai Hadas if (err) 596079b20a6cSYishai Hadas goto err_user_rq; 596179b20a6cSYishai Hadas break; 596279b20a6cSYishai Hadas default: 596379b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 596479b20a6cSYishai Hadas init_attr->wq_type); 596579b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 596679b20a6cSYishai Hadas } 596779b20a6cSYishai Hadas 5968350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 596979b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 597079b20a6cSYishai Hadas if (udata->outlen) { 597179b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 597279b20a6cSYishai Hadas sizeof(resp.response_length); 597379b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 597479b20a6cSYishai Hadas if (err) 597579b20a6cSYishai Hadas goto err_copy; 597679b20a6cSYishai Hadas } 597779b20a6cSYishai Hadas 5978350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 5979350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 598079b20a6cSYishai Hadas return &rwq->ibwq; 598179b20a6cSYishai Hadas 598279b20a6cSYishai Hadas err_copy: 5983350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 598479b20a6cSYishai Hadas err_user_rq: 5985bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 598679b20a6cSYishai Hadas err: 598779b20a6cSYishai Hadas kfree(rwq); 598879b20a6cSYishai Hadas return ERR_PTR(err); 598979b20a6cSYishai Hadas } 599079b20a6cSYishai Hadas 5991c4367a26SShamir Rabinovitch int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 599279b20a6cSYishai Hadas { 599379b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 599479b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 599579b20a6cSYishai Hadas 5996350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 5997bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 599879b20a6cSYishai Hadas kfree(rwq); 599979b20a6cSYishai Hadas 600079b20a6cSYishai Hadas return 0; 600179b20a6cSYishai Hadas } 600279b20a6cSYishai Hadas 6003c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 6004c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 6005c5f90929SYishai Hadas struct ib_udata *udata) 6006c5f90929SYishai Hadas { 6007c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 6008c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 6009c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 6010c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 6011c5f90929SYishai Hadas size_t min_resp_len; 6012c5f90929SYishai Hadas int inlen; 6013c5f90929SYishai Hadas int err; 6014c5f90929SYishai Hadas int i; 6015c5f90929SYishai Hadas u32 *in; 6016c5f90929SYishai Hadas void *rqtc; 6017c5f90929SYishai Hadas 6018c5f90929SYishai Hadas if (udata->inlen > 0 && 6019c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 6020c5f90929SYishai Hadas udata->inlen)) 6021c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 6022c5f90929SYishai Hadas 6023efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 6024efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 6025efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 6026efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 6027efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 6028efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 6029efd7f400SMaor Gottlieb } 6030efd7f400SMaor Gottlieb 6031c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 6032c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 6033c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 6034c5f90929SYishai Hadas 6035c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 6036c5f90929SYishai Hadas if (!rwq_ind_tbl) 6037c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 6038c5f90929SYishai Hadas 6039c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 60401b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 6041c5f90929SYishai Hadas if (!in) { 6042c5f90929SYishai Hadas err = -ENOMEM; 6043c5f90929SYishai Hadas goto err; 6044c5f90929SYishai Hadas } 6045c5f90929SYishai Hadas 6046c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6047c5f90929SYishai Hadas 6048c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6049c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6050c5f90929SYishai Hadas 6051c5f90929SYishai Hadas for (i = 0; i < sz; i++) 6052c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 6053c5f90929SYishai Hadas 60545deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 60555deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 60565deba86eSYishai Hadas 6057c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 6058c5f90929SYishai Hadas kvfree(in); 6059c5f90929SYishai Hadas 6060c5f90929SYishai Hadas if (err) 6061c5f90929SYishai Hadas goto err; 6062c5f90929SYishai Hadas 6063c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 6064c5f90929SYishai Hadas if (udata->outlen) { 6065c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 6066c5f90929SYishai Hadas sizeof(resp.response_length); 6067c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 6068c5f90929SYishai Hadas if (err) 6069c5f90929SYishai Hadas goto err_copy; 6070c5f90929SYishai Hadas } 6071c5f90929SYishai Hadas 6072c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 6073c5f90929SYishai Hadas 6074c5f90929SYishai Hadas err_copy: 60755deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6076c5f90929SYishai Hadas err: 6077c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6078c5f90929SYishai Hadas return ERR_PTR(err); 6079c5f90929SYishai Hadas } 6080c5f90929SYishai Hadas 6081c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 6082c5f90929SYishai Hadas { 6083c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 6084c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 6085c5f90929SYishai Hadas 60865deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6087c5f90929SYishai Hadas 6088c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6089c5f90929SYishai Hadas return 0; 6090c5f90929SYishai Hadas } 6091c5f90929SYishai Hadas 609279b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 609379b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 609479b20a6cSYishai Hadas { 609579b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 609679b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 609779b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 609879b20a6cSYishai Hadas size_t required_cmd_sz; 609979b20a6cSYishai Hadas int curr_wq_state; 610079b20a6cSYishai Hadas int wq_state; 610179b20a6cSYishai Hadas int inlen; 610279b20a6cSYishai Hadas int err; 610379b20a6cSYishai Hadas void *rqc; 610479b20a6cSYishai Hadas void *in; 610579b20a6cSYishai Hadas 610679b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 610779b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 610879b20a6cSYishai Hadas return -EINVAL; 610979b20a6cSYishai Hadas 611079b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 611179b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 611279b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 611379b20a6cSYishai Hadas return -EOPNOTSUPP; 611479b20a6cSYishai Hadas 611579b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 611679b20a6cSYishai Hadas return -EFAULT; 611779b20a6cSYishai Hadas 611879b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 611979b20a6cSYishai Hadas return -EOPNOTSUPP; 612079b20a6cSYishai Hadas 612179b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 61221b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 612379b20a6cSYishai Hadas if (!in) 612479b20a6cSYishai Hadas return -ENOMEM; 612579b20a6cSYishai Hadas 612679b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 612779b20a6cSYishai Hadas 612879b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 612979b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 613079b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 613179b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 613279b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 613379b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 613479b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 613579b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 613679b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 613734d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 613879b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 613979b20a6cSYishai Hadas 6140b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6141b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6142b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6143b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6144b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6145b1f74a84SNoa Osherovich "supported\n"); 6146b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6147b1f74a84SNoa Osherovich goto out; 6148b1f74a84SNoa Osherovich } 6149b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6150b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6151b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6152b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6153b1f74a84SNoa Osherovich } 6154b1383aa6SNoa Osherovich 6155b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6156b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6157b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6158b1383aa6SNoa Osherovich goto out; 6159b1383aa6SNoa Osherovich } 6160b1f74a84SNoa Osherovich } 6161b1f74a84SNoa Osherovich 616223a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 616323a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 616423a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 616523a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 6166e1f24a79SParav Pandit MLX5_SET(rqc, rqc, counter_set_id, 6167e1f24a79SParav Pandit dev->port->cnts.set_id); 616823a6964eSMajd Dibbiny } else 61695a738b5dSJason Gunthorpe dev_info_once( 61705a738b5dSJason Gunthorpe &dev->ib_dev.dev, 61715a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 617223a6964eSMajd Dibbiny } 617323a6964eSMajd Dibbiny 6174350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 617579b20a6cSYishai Hadas if (!err) 617679b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 617779b20a6cSYishai Hadas 6178b1f74a84SNoa Osherovich out: 6179b1f74a84SNoa Osherovich kvfree(in); 618079b20a6cSYishai Hadas return err; 618179b20a6cSYishai Hadas } 6182d0e84c0aSYishai Hadas 6183d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6184d0e84c0aSYishai Hadas struct ib_cqe cqe; 6185d0e84c0aSYishai Hadas struct completion done; 6186d0e84c0aSYishai Hadas }; 6187d0e84c0aSYishai Hadas 6188d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6189d0e84c0aSYishai Hadas { 6190d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6191d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6192d0e84c0aSYishai Hadas cqe); 6193d0e84c0aSYishai Hadas 6194d0e84c0aSYishai Hadas complete(&cqe->done); 6195d0e84c0aSYishai Hadas } 6196d0e84c0aSYishai Hadas 6197d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6198d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6199d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6200d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6201d0e84c0aSYishai Hadas { 6202d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6203d0e84c0aSYishai Hadas 6204d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6205d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6206d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6207d0e84c0aSYishai Hadas return; 6208d0e84c0aSYishai Hadas } 6209d0e84c0aSYishai Hadas 6210d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6211d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6212d0e84c0aSYishai Hadas bool triggered = false; 6213d0e84c0aSYishai Hadas unsigned long flags; 6214d0e84c0aSYishai Hadas 6215d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6216d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6217d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6218d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6219d0e84c0aSYishai Hadas else 6220d0e84c0aSYishai Hadas triggered = true; 6221d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6222d0e84c0aSYishai Hadas 6223d0e84c0aSYishai Hadas if (triggered) { 6224d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6225d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6226d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6227d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6228d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6229d0e84c0aSYishai Hadas break; 6230d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6231d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6232d0e84c0aSYishai Hadas break; 6233d0e84c0aSYishai Hadas default: 6234d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6235d0e84c0aSYishai Hadas } 6236d0e84c0aSYishai Hadas } 6237d0e84c0aSYishai Hadas 6238d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6239d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6240d0e84c0aSYishai Hadas */ 6241d0e84c0aSYishai Hadas mcq->mcq.comp(&mcq->mcq); 6242d0e84c0aSYishai Hadas } 6243d0e84c0aSYishai Hadas 6244d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6245d0e84c0aSYishai Hadas } 6246d0e84c0aSYishai Hadas 6247d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6248d0e84c0aSYishai Hadas { 6249d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6250d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6251d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6252d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6253d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6254d0e84c0aSYishai Hadas .wr = { 6255d0e84c0aSYishai Hadas .next = NULL, 6256d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6257d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6258d0e84c0aSYishai Hadas }, 6259d0e84c0aSYishai Hadas }; 6260d0e84c0aSYishai Hadas int ret; 6261d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6262d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6263d0e84c0aSYishai Hadas 6264d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6265d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6266d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6267d0e84c0aSYishai Hadas return; 6268d0e84c0aSYishai Hadas } 6269d0e84c0aSYishai Hadas 6270d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6271d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6272d0e84c0aSYishai Hadas 6273d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6274d0e84c0aSYishai Hadas if (ret) { 6275d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6276d0e84c0aSYishai Hadas return; 6277d0e84c0aSYishai Hadas } 6278d0e84c0aSYishai Hadas 6279d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6280d0e84c0aSYishai Hadas } 6281d0e84c0aSYishai Hadas 6282d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6283d0e84c0aSYishai Hadas { 6284d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6285d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6286d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6287d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6288d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6289d0e84c0aSYishai Hadas int ret; 6290d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6291d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6292d0e84c0aSYishai Hadas 6293d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6294d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6295d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6296d0e84c0aSYishai Hadas return; 6297d0e84c0aSYishai Hadas } 6298d0e84c0aSYishai Hadas 6299d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6300d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6301d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6302d0e84c0aSYishai Hadas 6303d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6304d0e84c0aSYishai Hadas if (ret) { 6305d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6306d0e84c0aSYishai Hadas return; 6307d0e84c0aSYishai Hadas } 6308d0e84c0aSYishai Hadas 6309d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6310d0e84c0aSYishai Hadas } 6311